git.oblomov.eu Git - wine/blob - dlls/gdiplus/graphics.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20 #include <math.h>
  21 #include <limits.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "wingdi.h"
  27 #include "wine/unicode.h"
  28
  29 #define COBJMACROS
  30 #include "objbase.h"
  31 #include "ocidl.h"
  32 #include "olectl.h"
  33 #include "ole2.h"
  34
  35 #include "winreg.h"
  36 #include "shlwapi.h"
  37
  38 #include "gdiplus.h"
  39 #include "gdiplus_private.h"
  40 #include "wine/debug.h"
  41 #include "wine/list.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  44
  45 /* looks-right constants */
  46 #define ANCHOR_WIDTH (2.0)
  47 #define MAX_ITERS (50)
  48
  49 static GpStatus draw_driver_string(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
  50                                    GDIPCONST GpFont *font, GDIPCONST GpStringFormat *format,
  51                                    GDIPCONST GpBrush *brush, GDIPCONST PointF *positions,
  52                                    INT flags, GDIPCONST GpMatrix *matrix);
  53
  54 /* Converts angle (in degrees) to x/y coordinates */
  55 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
  56 {
  57     REAL radAngle, hypotenuse;
  58
  59     radAngle = deg2rad(angle);
  60     hypotenuse = 50.0; /* arbitrary */
  61
  62     *x = x_0 + cos(radAngle) * hypotenuse;
  63     *y = y_0 + sin(radAngle) * hypotenuse;
  64 }
  65
  66 /* Converts from gdiplus path point type to gdi path point type. */
  67 static BYTE convert_path_point_type(BYTE type)
  68 {
  69     BYTE ret;
  70
  71     switch(type & PathPointTypePathTypeMask){
  72         case PathPointTypeBezier:
  73             ret = PT_BEZIERTO;
  74             break;
  75         case PathPointTypeLine:
  76             ret = PT_LINETO;
  77             break;
  78         case PathPointTypeStart:
  79             ret = PT_MOVETO;
  80             break;
  81         default:
  82             ERR("Bad point type\n");
  83             return 0;
  84     }
  85
  86     if(type & PathPointTypeCloseSubpath)
  87         ret |= PT_CLOSEFIGURE;
  88
  89     return ret;
  90 }
  91
  92 static COLORREF get_gdi_brush_color(const GpBrush *brush)
  93 {
  94     ARGB argb;
  95
  96     switch (brush->bt)
  97     {
  98         case BrushTypeSolidColor:
  99         {
 100             const GpSolidFill *sf = (const GpSolidFill *)brush;
 101             argb = sf->color;
 102             break;
 103         }
 104         case BrushTypeHatchFill:
 105         {
 106             const GpHatch *hatch = (const GpHatch *)brush;
 107             argb = hatch->forecol;
 108             break;
 109         }
 110         case BrushTypeLinearGradient:
 111         {
 112             const GpLineGradient *line = (const GpLineGradient *)brush;
 113             argb = line->startcolor;
 114             break;
 115         }
 116         case BrushTypePathGradient:
 117         {
 118             const GpPathGradient *grad = (const GpPathGradient *)brush;
 119             argb = grad->centercolor;
 120             break;
 121         }
 122         default:
 123             FIXME("unhandled brush type %d\n", brush->bt);
 124             argb = 0;
 125             break;
 126     }
 127     return ARGB2COLORREF(argb);
 128 }
 129
 130 static HBITMAP create_hatch_bitmap(const GpHatch *hatch)
 131 {
 132     HBITMAP hbmp;
 133     BITMAPINFOHEADER bmih;
 134     DWORD *bits;
 135     int x, y;
 136
 137     bmih.biSize = sizeof(bmih);
 138     bmih.biWidth = 8;
 139     bmih.biHeight = 8;
 140     bmih.biPlanes = 1;
 141     bmih.biBitCount = 32;
 142     bmih.biCompression = BI_RGB;
 143     bmih.biSizeImage = 0;
 144
 145     hbmp = CreateDIBSection(0, (BITMAPINFO *)&bmih, DIB_RGB_COLORS, (void **)&bits, NULL, 0);
 146     if (hbmp)
 147     {
 148         const char *hatch_data;
 149
 150         if (get_hatch_data(hatch->hatchstyle, &hatch_data) == Ok)
 151         {
 152             for (y = 0; y < 8; y++)
 153             {
 154                 for (x = 0; x < 8; x++)
 155                 {
 156                     if (hatch_data[y] & (0x80 >> x))
 157                         bits[y * 8 + x] = hatch->forecol;
 158                     else
 159                         bits[y * 8 + x] = hatch->backcol;
 160                 }
 161             }
 162         }
 163         else
 164         {
 165             FIXME("Unimplemented hatch style %d\n", hatch->hatchstyle);
 166
 167             for (y = 0; y < 64; y++)
 168                 bits[y] = hatch->forecol;
 169         }
 170     }
 171
 172     return hbmp;
 173 }
 174
 175 static GpStatus create_gdi_logbrush(const GpBrush *brush, LOGBRUSH *lb)
 176 {
 177     switch (brush->bt)
 178     {
 179         case BrushTypeSolidColor:
 180         {
 181             const GpSolidFill *sf = (const GpSolidFill *)brush;
 182             lb->lbStyle = BS_SOLID;
 183             lb->lbColor = ARGB2COLORREF(sf->color);
 184             lb->lbHatch = 0;
 185             return Ok;
 186         }
 187
 188         case BrushTypeHatchFill:
 189         {
 190             const GpHatch *hatch = (const GpHatch *)brush;
 191             HBITMAP hbmp;
 192
 193             hbmp = create_hatch_bitmap(hatch);
 194             if (!hbmp) return OutOfMemory;
 195
 196             lb->lbStyle = BS_PATTERN;
 197             lb->lbColor = 0;
 198             lb->lbHatch = (ULONG_PTR)hbmp;
 199             return Ok;
 200         }
 201
 202         default:
 203             FIXME("unhandled brush type %d\n", brush->bt);
 204             lb->lbStyle = BS_SOLID;
 205             lb->lbColor = get_gdi_brush_color(brush);
 206             lb->lbHatch = 0;
 207             return Ok;
 208     }
 209 }
 210
 211 static GpStatus free_gdi_logbrush(LOGBRUSH *lb)
 212 {
 213     switch (lb->lbStyle)
 214     {
 215         case BS_PATTERN:
 216             DeleteObject((HGDIOBJ)(ULONG_PTR)lb->lbHatch);
 217             break;
 218     }
 219     return Ok;
 220 }
 221
 222 static HBRUSH create_gdi_brush(const GpBrush *brush)
 223 {
 224     LOGBRUSH lb;
 225     HBRUSH gdibrush;
 226
 227     if (create_gdi_logbrush(brush, &lb) != Ok) return 0;
 228
 229     gdibrush = CreateBrushIndirect(&lb);
 230     free_gdi_logbrush(&lb);
 231
 232     return gdibrush;
 233 }
 234
 235 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
 236 {
 237     LOGBRUSH lb;
 238     HPEN gdipen;
 239     REAL width;
 240     INT save_state, i, numdashes;
 241     GpPointF pt[2];
 242     DWORD dash_array[MAX_DASHLEN];
 243
 244     save_state = SaveDC(graphics->hdc);
 245
 246     EndPath(graphics->hdc);
 247
 248     if(pen->unit == UnitPixel){
 249         width = pen->width;
 250     }
 251     else{
 252         /* Get an estimate for the amount the pen width is affected by the world
 253          * transform. (This is similar to what some of the wine drivers do.) */
 254         pt[0].X = 0.0;
 255         pt[0].Y = 0.0;
 256         pt[1].X = 1.0;
 257         pt[1].Y = 1.0;
 258         GdipTransformMatrixPoints(&graphics->worldtrans, pt, 2);
 259         width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
 260                      (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
 261
 262         width *= units_to_pixels(pen->width, pen->unit == UnitWorld ? graphics->unit : pen->unit, graphics->xres);
 263     }
 264
 265     if(pen->dash == DashStyleCustom){
 266         numdashes = min(pen->numdashes, MAX_DASHLEN);
 267
 268         TRACE("dashes are: ");
 269         for(i = 0; i < numdashes; i++){
 270             dash_array[i] = gdip_round(width * pen->dashes[i]);
 271             TRACE("%d, ", dash_array[i]);
 272         }
 273         TRACE("\n and the pen style is %x\n", pen->style);
 274
 275         create_gdi_logbrush(pen->brush, &lb);
 276         gdipen = ExtCreatePen(pen->style, gdip_round(width), &lb,
 277                               numdashes, dash_array);
 278         free_gdi_logbrush(&lb);
 279     }
 280     else
 281     {
 282         create_gdi_logbrush(pen->brush, &lb);
 283         gdipen = ExtCreatePen(pen->style, gdip_round(width), &lb, 0, NULL);
 284         free_gdi_logbrush(&lb);
 285     }
 286
 287     SelectObject(graphics->hdc, gdipen);
 288
 289     return save_state;
 290 }
 291
 292 static void restore_dc(GpGraphics *graphics, INT state)
 293 {
 294     DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
 295     RestoreDC(graphics->hdc, state);
 296 }
 297
 298 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
 299         GpCoordinateSpace src_space, GpMatrix *matrix);
 300
 301 /* This helper applies all the changes that the points listed in ptf need in
 302  * order to be drawn on the device context.  In the end, this should include at
 303  * least:
 304  *  -scaling by page unit
 305  *  -applying world transformation
 306  *  -converting from float to int
 307  * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
 308  * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
 309  * gdi to draw, and these functions would irreparably mess with line widths.
 310  */
 311 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
 312     GpPointF *ptf, INT count)
 313 {
 314     REAL scale_x, scale_y;
 315     GpMatrix matrix;
 316     int i;
 317
 318     scale_x = units_to_pixels(1.0, graphics->unit, graphics->xres);
 319     scale_y = units_to_pixels(1.0, graphics->unit, graphics->yres);
 320
 321     /* apply page scale */
 322     if(graphics->unit != UnitDisplay)
 323     {
 324         scale_x *= graphics->scale;
 325         scale_y *= graphics->scale;
 326     }
 327
 328     matrix = graphics->worldtrans;
 329     GdipScaleMatrix(&matrix, scale_x, scale_y, MatrixOrderAppend);
 330     GdipTransformMatrixPoints(&matrix, ptf, count);
 331
 332     for(i = 0; i < count; i++){
 333         pti[i].x = gdip_round(ptf[i].X);
 334         pti[i].y = gdip_round(ptf[i].Y);
 335     }
 336 }
 337
 338 static void gdi_alpha_blend(GpGraphics *graphics, INT dst_x, INT dst_y, INT dst_width, INT dst_height,
 339                             HDC hdc, INT src_x, INT src_y, INT src_width, INT src_height)
 340 {
 341     if (GetDeviceCaps(graphics->hdc, SHADEBLENDCAPS) == SB_NONE)
 342     {
 343         TRACE("alpha blending not supported by device, fallback to StretchBlt\n");
 344
 345         StretchBlt(graphics->hdc, dst_x, dst_y, dst_width, dst_height,
 346                    hdc, src_x, src_y, src_width, src_height, SRCCOPY);
 347     }
 348     else
 349     {
 350         BLENDFUNCTION bf;
 351
 352         bf.BlendOp = AC_SRC_OVER;
 353         bf.BlendFlags = 0;
 354         bf.SourceConstantAlpha = 255;
 355         bf.AlphaFormat = AC_SRC_ALPHA;
 356
 357         GdiAlphaBlend(graphics->hdc, dst_x, dst_y, dst_width, dst_height,
 358                       hdc, src_x, src_y, src_width, src_height, bf);
 359     }
 360 }
 361
 362 static GpStatus get_clip_hrgn(GpGraphics *graphics, HRGN *hrgn)
 363 {
 364     return GdipGetRegionHRgn(graphics->clip, graphics, hrgn);
 365 }
 366
 367 /* Draw non-premultiplied ARGB data to the given graphics object */
 368 static GpStatus alpha_blend_bmp_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
 369     const BYTE *src, INT src_width, INT src_height, INT src_stride)
 370 {
 371     GpBitmap *dst_bitmap = (GpBitmap*)graphics->image;
 372     INT x, y;
 373
 374     for (x=0; x<src_width; x++)
 375     {
 376         for (y=0; y<src_height; y++)
 377         {
 378             ARGB dst_color, src_color;
 379             GdipBitmapGetPixel(dst_bitmap, x+dst_x, y+dst_y, &dst_color);
 380             src_color = ((ARGB*)(src + src_stride * y))[x];
 381             GdipBitmapSetPixel(dst_bitmap, x+dst_x, y+dst_y, color_over(dst_color, src_color));
 382         }
 383     }
 384
 385     return Ok;
 386 }
 387
 388 static GpStatus alpha_blend_hdc_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
 389     const BYTE *src, INT src_width, INT src_height, INT src_stride)
 390 {
 391     HDC hdc;
 392     HBITMAP hbitmap;
 393     BITMAPINFOHEADER bih;
 394     BYTE *temp_bits;
 395
 396     hdc = CreateCompatibleDC(0);
 397
 398     bih.biSize = sizeof(BITMAPINFOHEADER);
 399     bih.biWidth = src_width;
 400     bih.biHeight = -src_height;
 401     bih.biPlanes = 1;
 402     bih.biBitCount = 32;
 403     bih.biCompression = BI_RGB;
 404     bih.biSizeImage = 0;
 405     bih.biXPelsPerMeter = 0;
 406     bih.biYPelsPerMeter = 0;
 407     bih.biClrUsed = 0;
 408     bih.biClrImportant = 0;
 409
 410     hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
 411         (void**)&temp_bits, NULL, 0);
 412
 413     convert_32bppARGB_to_32bppPARGB(src_width, src_height, temp_bits,
 414         4 * src_width, src, src_stride);
 415
 416     SelectObject(hdc, hbitmap);
 417     gdi_alpha_blend(graphics, dst_x, dst_y, src_width, src_height,
 418                     hdc, 0, 0, src_width, src_height);
 419     DeleteDC(hdc);
 420     DeleteObject(hbitmap);
 421
 422     return Ok;
 423 }
 424
 425 static GpStatus alpha_blend_pixels_hrgn(GpGraphics *graphics, INT dst_x, INT dst_y,
 426     const BYTE *src, INT src_width, INT src_height, INT src_stride, HRGN hregion)
 427 {
 428     GpStatus stat=Ok;
 429
 430     if (graphics->image && graphics->image->type == ImageTypeBitmap)
 431     {
 432         int i, size;
 433         RGNDATA *rgndata;
 434         RECT *rects;
 435         HRGN hrgn, visible_rgn;
 436
 437         hrgn = CreateRectRgn(dst_x, dst_y, dst_x + src_width, dst_y + src_height);
 438         if (!hrgn)
 439             return OutOfMemory;
 440
 441         stat = get_clip_hrgn(graphics, &visible_rgn);
 442         if (stat != Ok)
 443         {
 444             DeleteObject(hrgn);
 445             return stat;
 446         }
 447
 448         if (visible_rgn)
 449         {
 450             CombineRgn(hrgn, hrgn, visible_rgn, RGN_AND);
 451             DeleteObject(visible_rgn);
 452         }
 453
 454         if (hregion)
 455             CombineRgn(hrgn, hrgn, hregion, RGN_AND);
 456
 457         size = GetRegionData(hrgn, 0, NULL);
 458
 459         rgndata = GdipAlloc(size);
 460         if (!rgndata)
 461         {
 462             DeleteObject(hrgn);
 463             return OutOfMemory;
 464         }
 465
 466         GetRegionData(hrgn, size, rgndata);
 467
 468         rects = (RECT*)&rgndata->Buffer;
 469
 470         for (i=0; stat == Ok && i<rgndata->rdh.nCount; i++)
 471         {
 472             stat = alpha_blend_bmp_pixels(graphics, rects[i].left, rects[i].top,
 473                 &src[(rects[i].left - dst_x) * 4 + (rects[i].top - dst_y) * src_stride],
 474                 rects[i].right - rects[i].left, rects[i].bottom - rects[i].top,
 475                 src_stride);
 476         }
 477
 478         GdipFree(rgndata);
 479
 480         DeleteObject(hrgn);
 481
 482         return stat;
 483     }
 484     else if (graphics->image && graphics->image->type == ImageTypeMetafile)
 485     {
 486         ERR("This should not be used for metafiles; fix caller\n");
 487         return NotImplemented;
 488     }
 489     else
 490     {
 491         HRGN hrgn;
 492         int save;
 493
 494         stat = get_clip_hrgn(graphics, &hrgn);
 495
 496         if (stat != Ok)
 497             return stat;
 498
 499         save = SaveDC(graphics->hdc);
 500
 501         if (hrgn)
 502             ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
 503
 504         if (hregion)
 505             ExtSelectClipRgn(graphics->hdc, hregion, RGN_AND);
 506
 507         stat = alpha_blend_hdc_pixels(graphics, dst_x, dst_y, src, src_width,
 508             src_height, src_stride);
 509
 510         RestoreDC(graphics->hdc, save);
 511
 512         DeleteObject(hrgn);
 513
 514         return stat;
 515     }
 516 }
 517
 518 static GpStatus alpha_blend_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
 519     const BYTE *src, INT src_width, INT src_height, INT src_stride)
 520 {
 521     return alpha_blend_pixels_hrgn(graphics, dst_x, dst_y, src, src_width, src_height, src_stride, NULL);
 522 }
 523
 524 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
 525 {
 526     ARGB result=0;
 527     ARGB i;
 528     INT a1, a2, a3;
 529
 530     a1 = (start >> 24) & 0xff;
 531     a2 = (end >> 24) & 0xff;
 532
 533     a3 = (int)(a1*(1.0f - position)+a2*(position));
 534
 535     result |= a3 << 24;
 536
 537     for (i=0xff; i<=0xff0000; i = i << 8)
 538         result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
 539     return result;
 540 }
 541
 542 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
 543 {
 544     REAL blendfac;
 545
 546     /* clamp to between 0.0 and 1.0, using the wrap mode */
 547     if (brush->wrap == WrapModeTile)
 548     {
 549         position = fmodf(position, 1.0f);
 550         if (position < 0.0f) position += 1.0f;
 551     }
 552     else /* WrapModeFlip* */
 553     {
 554         position = fmodf(position, 2.0f);
 555         if (position < 0.0f) position += 2.0f;
 556         if (position > 1.0f) position = 2.0f - position;
 557     }
 558
 559     if (brush->blendcount == 1)
 560         blendfac = position;
 561     else
 562     {
 563         int i=1;
 564         REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
 565         REAL range;
 566
 567         /* locate the blend positions surrounding this position */
 568         while (position > brush->blendpos[i])
 569             i++;
 570
 571         /* interpolate between the blend positions */
 572         left_blendpos = brush->blendpos[i-1];
 573         left_blendfac = brush->blendfac[i-1];
 574         right_blendpos = brush->blendpos[i];
 575         right_blendfac = brush->blendfac[i];
 576         range = right_blendpos - left_blendpos;
 577         blendfac = (left_blendfac * (right_blendpos - position) +
 578                     right_blendfac * (position - left_blendpos)) / range;
 579     }
 580
 581     if (brush->pblendcount == 0)
 582         return blend_colors(brush->startcolor, brush->endcolor, blendfac);
 583     else
 584     {
 585         int i=1;
 586         ARGB left_blendcolor, right_blendcolor;
 587         REAL left_blendpos, right_blendpos;
 588
 589         /* locate the blend colors surrounding this position */
 590         while (blendfac > brush->pblendpos[i])
 591             i++;
 592
 593         /* interpolate between the blend colors */
 594         left_blendpos = brush->pblendpos[i-1];
 595         left_blendcolor = brush->pblendcolor[i-1];
 596         right_blendpos = brush->pblendpos[i];
 597         right_blendcolor = brush->pblendcolor[i];
 598         blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
 599         return blend_colors(left_blendcolor, right_blendcolor, blendfac);
 600     }
 601 }
 602
 603 static ARGB transform_color(ARGB color, const ColorMatrix *matrix)
 604 {
 605     REAL val[5], res[4];
 606     int i, j;
 607     unsigned char a, r, g, b;
 608
 609     val[0] = ((color >> 16) & 0xff) / 255.0; /* red */
 610     val[1] = ((color >> 8) & 0xff) / 255.0; /* green */
 611     val[2] = (color & 0xff) / 255.0; /* blue */
 612     val[3] = ((color >> 24) & 0xff) / 255.0; /* alpha */
 613     val[4] = 1.0; /* translation */
 614
 615     for (i=0; i<4; i++)
 616     {
 617         res[i] = 0.0;
 618
 619         for (j=0; j<5; j++)
 620             res[i] += matrix->m[j][i] * val[j];
 621     }
 622
 623     a = min(max(floorf(res[3]*255.0), 0.0), 255.0);
 624     r = min(max(floorf(res[0]*255.0), 0.0), 255.0);
 625     g = min(max(floorf(res[1]*255.0), 0.0), 255.0);
 626     b = min(max(floorf(res[2]*255.0), 0.0), 255.0);
 627
 628     return (a << 24) | (r << 16) | (g << 8) | b;
 629 }
 630
 631 static int color_is_gray(ARGB color)
 632 {
 633     unsigned char r, g, b;
 634
 635     r = (color >> 16) & 0xff;
 636     g = (color >> 8) & 0xff;
 637     b = color & 0xff;
 638
 639     return (r == g) && (g == b);
 640 }
 641
 642 static void apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
 643     UINT width, UINT height, INT stride, ColorAdjustType type)
 644 {
 645     UINT x, y, i;
 646
 647     if (attributes->colorkeys[type].enabled ||
 648         attributes->colorkeys[ColorAdjustTypeDefault].enabled)
 649     {
 650         const struct color_key *key;
 651         BYTE min_blue, min_green, min_red;
 652         BYTE max_blue, max_green, max_red;
 653
 654         if (attributes->colorkeys[type].enabled)
 655             key = &attributes->colorkeys[type];
 656         else
 657             key = &attributes->colorkeys[ColorAdjustTypeDefault];
 658
 659         min_blue = key->low&0xff;
 660         min_green = (key->low>>8)&0xff;
 661         min_red = (key->low>>16)&0xff;
 662
 663         max_blue = key->high&0xff;
 664         max_green = (key->high>>8)&0xff;
 665         max_red = (key->high>>16)&0xff;
 666
 667         for (x=0; x<width; x++)
 668             for (y=0; y<height; y++)
 669             {
 670                 ARGB *src_color;
 671                 BYTE blue, green, red;
 672                 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
 673                 blue = *src_color&0xff;
 674                 green = (*src_color>>8)&0xff;
 675                 red = (*src_color>>16)&0xff;
 676                 if (blue >= min_blue && green >= min_green && red >= min_red &&
 677                     blue <= max_blue && green <= max_green && red <= max_red)
 678                     *src_color = 0x00000000;
 679             }
 680     }
 681
 682     if (attributes->colorremaptables[type].enabled ||
 683         attributes->colorremaptables[ColorAdjustTypeDefault].enabled)
 684     {
 685         const struct color_remap_table *table;
 686
 687         if (attributes->colorremaptables[type].enabled)
 688             table = &attributes->colorremaptables[type];
 689         else
 690             table = &attributes->colorremaptables[ColorAdjustTypeDefault];
 691
 692         for (x=0; x<width; x++)
 693             for (y=0; y<height; y++)
 694             {
 695                 ARGB *src_color;
 696                 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
 697                 for (i=0; i<table->mapsize; i++)
 698                 {
 699                     if (*src_color == table->colormap[i].oldColor.Argb)
 700                     {
 701                         *src_color = table->colormap[i].newColor.Argb;
 702                         break;
 703                     }
 704                 }
 705             }
 706     }
 707
 708     if (attributes->colormatrices[type].enabled ||
 709         attributes->colormatrices[ColorAdjustTypeDefault].enabled)
 710     {
 711         const struct color_matrix *colormatrices;
 712
 713         if (attributes->colormatrices[type].enabled)
 714             colormatrices = &attributes->colormatrices[type];
 715         else
 716             colormatrices = &attributes->colormatrices[ColorAdjustTypeDefault];
 717
 718         for (x=0; x<width; x++)
 719             for (y=0; y<height; y++)
 720             {
 721                 ARGB *src_color;
 722                 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
 723
 724                 if (colormatrices->flags == ColorMatrixFlagsDefault ||
 725                     !color_is_gray(*src_color))
 726                 {
 727                     *src_color = transform_color(*src_color, &colormatrices->colormatrix);
 728                 }
 729                 else if (colormatrices->flags == ColorMatrixFlagsAltGray)
 730                 {
 731                     *src_color = transform_color(*src_color, &colormatrices->graymatrix);
 732                 }
 733             }
 734     }
 735
 736     if (attributes->gamma_enabled[type] ||
 737         attributes->gamma_enabled[ColorAdjustTypeDefault])
 738     {
 739         REAL gamma;
 740
 741         if (attributes->gamma_enabled[type])
 742             gamma = attributes->gamma[type];
 743         else
 744             gamma = attributes->gamma[ColorAdjustTypeDefault];
 745
 746         for (x=0; x<width; x++)
 747             for (y=0; y<height; y++)
 748             {
 749                 ARGB *src_color;
 750                 BYTE blue, green, red;
 751                 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
 752
 753                 blue = *src_color&0xff;
 754                 green = (*src_color>>8)&0xff;
 755                 red = (*src_color>>16)&0xff;
 756
 757                 /* FIXME: We should probably use a table for this. */
 758                 blue = floorf(powf(blue / 255.0, gamma) * 255.0);
 759                 green = floorf(powf(green / 255.0, gamma) * 255.0);
 760                 red = floorf(powf(red / 255.0, gamma) * 255.0);
 761
 762                 *src_color = (*src_color & 0xff000000) | (red << 16) | (green << 8) | blue;
 763             }
 764     }
 765 }
 766
 767 /* Given a bitmap and its source rectangle, find the smallest rectangle in the
 768  * bitmap that contains all the pixels we may need to draw it. */
 769 static void get_bitmap_sample_size(InterpolationMode interpolation, WrapMode wrap,
 770     GpBitmap* bitmap, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
 771     GpRect *rect)
 772 {
 773     INT left, top, right, bottom;
 774
 775     switch (interpolation)
 776     {
 777     case InterpolationModeHighQualityBilinear:
 778     case InterpolationModeHighQualityBicubic:
 779     /* FIXME: Include a greater range for the prefilter? */
 780     case InterpolationModeBicubic:
 781     case InterpolationModeBilinear:
 782         left = (INT)(floorf(srcx));
 783         top = (INT)(floorf(srcy));
 784         right = (INT)(ceilf(srcx+srcwidth));
 785         bottom = (INT)(ceilf(srcy+srcheight));
 786         break;
 787     case InterpolationModeNearestNeighbor:
 788     default:
 789         left = gdip_round(srcx);
 790         top = gdip_round(srcy);
 791         right = gdip_round(srcx+srcwidth);
 792         bottom = gdip_round(srcy+srcheight);
 793         break;
 794     }
 795
 796     if (wrap == WrapModeClamp)
 797     {
 798         if (left < 0)
 799             left = 0;
 800         if (top < 0)
 801             top = 0;
 802         if (right >= bitmap->width)
 803             right = bitmap->width-1;
 804         if (bottom >= bitmap->height)
 805             bottom = bitmap->height-1;
 806     }
 807     else
 808     {
 809         /* In some cases we can make the rectangle smaller here, but the logic
 810          * is hard to get right, and tiling suggests we're likely to use the
 811          * entire source image. */
 812         if (left < 0 || right >= bitmap->width)
 813         {
 814             left = 0;
 815             right = bitmap->width-1;
 816         }
 817
 818         if (top < 0 || bottom >= bitmap->height)
 819         {
 820             top = 0;
 821             bottom = bitmap->height-1;
 822         }
 823     }
 824
 825     rect->X = left;
 826     rect->Y = top;
 827     rect->Width = right - left + 1;
 828     rect->Height = bottom - top + 1;
 829 }
 830
 831 static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
 832     UINT height, INT x, INT y, GDIPCONST GpImageAttributes *attributes)
 833 {
 834     if (attributes->wrap == WrapModeClamp)
 835     {
 836         if (x < 0 || y < 0 || x >= width || y >= height)
 837             return attributes->outside_color;
 838     }
 839     else
 840     {
 841         /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
 842         if (x < 0)
 843             x = width*2 + x % (width * 2);
 844         if (y < 0)
 845             y = height*2 + y % (height * 2);
 846
 847         if ((attributes->wrap & 1) == 1)
 848         {
 849             /* Flip X */
 850             if ((x / width) % 2 == 0)
 851                 x = x % width;
 852             else
 853                 x = width - 1 - x % width;
 854         }
 855         else
 856             x = x % width;
 857
 858         if ((attributes->wrap & 2) == 2)
 859         {
 860             /* Flip Y */
 861             if ((y / height) % 2 == 0)
 862                 y = y % height;
 863             else
 864                 y = height - 1 - y % height;
 865         }
 866         else
 867             y = y % height;
 868     }
 869
 870     if (x < src_rect->X || y < src_rect->Y || x >= src_rect->X + src_rect->Width || y >= src_rect->Y + src_rect->Height)
 871     {
 872         ERR("out of range pixel requested\n");
 873         return 0xffcd0084;
 874     }
 875
 876     return ((DWORD*)(bits))[(x - src_rect->X) + (y - src_rect->Y) * src_rect->Width];
 877 }
 878
 879 static ARGB resample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
 880     UINT height, GpPointF *point, GDIPCONST GpImageAttributes *attributes,
 881     InterpolationMode interpolation, PixelOffsetMode offset_mode)
 882 {
 883     static int fixme;
 884
 885     switch (interpolation)
 886     {
 887     default:
 888         if (!fixme++)
 889             FIXME("Unimplemented interpolation %i\n", interpolation);
 890         /* fall-through */
 891     case InterpolationModeBilinear:
 892     {
 893         REAL leftxf, topyf;
 894         INT leftx, rightx, topy, bottomy;
 895         ARGB topleft, topright, bottomleft, bottomright;
 896         ARGB top, bottom;
 897         float x_offset;
 898
 899         leftxf = floorf(point->X);
 900         leftx = (INT)leftxf;
 901         rightx = (INT)ceilf(point->X);
 902         topyf = floorf(point->Y);
 903         topy = (INT)topyf;
 904         bottomy = (INT)ceilf(point->Y);
 905
 906         if (leftx == rightx && topy == bottomy)
 907             return sample_bitmap_pixel(src_rect, bits, width, height,
 908                 leftx, topy, attributes);
 909
 910         topleft = sample_bitmap_pixel(src_rect, bits, width, height,
 911             leftx, topy, attributes);
 912         topright = sample_bitmap_pixel(src_rect, bits, width, height,
 913             rightx, topy, attributes);
 914         bottomleft = sample_bitmap_pixel(src_rect, bits, width, height,
 915             leftx, bottomy, attributes);
 916         bottomright = sample_bitmap_pixel(src_rect, bits, width, height,
 917             rightx, bottomy, attributes);
 918
 919         x_offset = point->X - leftxf;
 920         top = blend_colors(topleft, topright, x_offset);
 921         bottom = blend_colors(bottomleft, bottomright, x_offset);
 922
 923         return blend_colors(top, bottom, point->Y - topyf);
 924     }
 925     case InterpolationModeNearestNeighbor:
 926     {
 927         FLOAT pixel_offset;
 928         switch (offset_mode)
 929         {
 930         default:
 931         case PixelOffsetModeNone:
 932         case PixelOffsetModeHighSpeed:
 933             pixel_offset = 0.5;
 934             break;
 935
 936         case PixelOffsetModeHalf:
 937         case PixelOffsetModeHighQuality:
 938             pixel_offset = 0.0;
 939             break;
 940         }
 941         return sample_bitmap_pixel(src_rect, bits, width, height,
 942             floorf(point->X + pixel_offset), floorf(point->Y + pixel_offset), attributes);
 943     }
 944
 945     }
 946 }
 947
 948 static REAL intersect_line_scanline(const GpPointF *p1, const GpPointF *p2, REAL y)
 949 {
 950     return (p1->X - p2->X) * (p2->Y - y) / (p2->Y - p1->Y) + p2->X;
 951 }
 952
 953 static INT brush_can_fill_path(GpBrush *brush)
 954 {
 955     switch (brush->bt)
 956     {
 957     case BrushTypeSolidColor:
 958         return 1;
 959     case BrushTypeHatchFill:
 960     {
 961         GpHatch *hatch = (GpHatch*)brush;
 962         return ((hatch->forecol & 0xff000000) == 0xff000000) &&
 963                ((hatch->backcol & 0xff000000) == 0xff000000);
 964     }
 965     case BrushTypeLinearGradient:
 966     case BrushTypeTextureFill:
 967     /* Gdi32 isn't much help with these, so we should use brush_fill_pixels instead. */
 968     default:
 969         return 0;
 970     }
 971 }
 972
 973 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
 974 {
 975     switch (brush->bt)
 976     {
 977     case BrushTypeSolidColor:
 978     {
 979         GpSolidFill *fill = (GpSolidFill*)brush;
 980         HBITMAP bmp = ARGB2BMP(fill->color);
 981
 982         if (bmp)
 983         {
 984             RECT rc;
 985             /* partially transparent fill */
 986
 987             SelectClipPath(graphics->hdc, RGN_AND);
 988             if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
 989             {
 990                 HDC hdc = CreateCompatibleDC(NULL);
 991
 992                 if (!hdc) break;
 993
 994                 SelectObject(hdc, bmp);
 995                 gdi_alpha_blend(graphics, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top,
 996                                 hdc, 0, 0, 1, 1);
 997                 DeleteDC(hdc);
 998             }
 999
1000             DeleteObject(bmp);
1001             break;
1002         }
1003         /* else fall through */
1004     }
1005     default:
1006     {
1007         HBRUSH gdibrush, old_brush;
1008
1009         gdibrush = create_gdi_brush(brush);
1010         if (!gdibrush) return;
1011
1012         old_brush = SelectObject(graphics->hdc, gdibrush);
1013         FillPath(graphics->hdc);
1014         SelectObject(graphics->hdc, old_brush);
1015         DeleteObject(gdibrush);
1016         break;
1017     }
1018     }
1019 }
1020
1021 static INT brush_can_fill_pixels(GpBrush *brush)
1022 {
1023     switch (brush->bt)
1024     {
1025     case BrushTypeSolidColor:
1026     case BrushTypeHatchFill:
1027     case BrushTypeLinearGradient:
1028     case BrushTypeTextureFill:
1029     case BrushTypePathGradient:
1030         return 1;
1031     default:
1032         return 0;
1033     }
1034 }
1035
1036 static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
1037     DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
1038 {
1039     switch (brush->bt)
1040     {
1041     case BrushTypeSolidColor:
1042     {
1043         int x, y;
1044         GpSolidFill *fill = (GpSolidFill*)brush;
1045         for (x=0; x<fill_area->Width; x++)
1046             for (y=0; y<fill_area->Height; y++)
1047                 argb_pixels[x + y*cdwStride] = fill->color;
1048         return Ok;
1049     }
1050     case BrushTypeHatchFill:
1051     {
1052         int x, y;
1053         GpHatch *fill = (GpHatch*)brush;
1054         const char *hatch_data;
1055
1056         if (get_hatch_data(fill->hatchstyle, &hatch_data) != Ok)
1057             return NotImplemented;
1058
1059         for (x=0; x<fill_area->Width; x++)
1060             for (y=0; y<fill_area->Height; y++)
1061             {
1062                 int hx, hy;
1063
1064                 /* FIXME: Account for the rendering origin */
1065                 hx = (x + fill_area->X) % 8;
1066                 hy = (y + fill_area->Y) % 8;
1067
1068                 if ((hatch_data[7-hy] & (0x80 >> hx)) != 0)
1069                     argb_pixels[x + y*cdwStride] = fill->forecol;
1070                 else
1071                     argb_pixels[x + y*cdwStride] = fill->backcol;
1072             }
1073
1074         return Ok;
1075     }
1076     case BrushTypeLinearGradient:
1077     {
1078         GpLineGradient *fill = (GpLineGradient*)brush;
1079         GpPointF draw_points[3], line_points[3];
1080         GpStatus stat;
1081         static const GpRectF box_1 = { 0.0, 0.0, 1.0, 1.0 };
1082         GpMatrix *world_to_gradient; /* FIXME: Store this in the brush? */
1083         int x, y;
1084
1085         draw_points[0].X = fill_area->X;
1086         draw_points[0].Y = fill_area->Y;
1087         draw_points[1].X = fill_area->X+1;
1088         draw_points[1].Y = fill_area->Y;
1089         draw_points[2].X = fill_area->X;
1090         draw_points[2].Y = fill_area->Y+1;
1091
1092         /* Transform the points to a co-ordinate space where X is the point's
1093          * position in the gradient, 0.0 being the start point and 1.0 the
1094          * end point. */
1095         stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
1096             CoordinateSpaceDevice, draw_points, 3);
1097
1098         if (stat == Ok)
1099         {
1100             line_points[0] = fill->startpoint;
1101             line_points[1] = fill->endpoint;
1102             line_points[2].X = fill->startpoint.X + (fill->startpoint.Y - fill->endpoint.Y);
1103             line_points[2].Y = fill->startpoint.Y + (fill->endpoint.X - fill->startpoint.X);
1104
1105             stat = GdipCreateMatrix3(&box_1, line_points, &world_to_gradient);
1106         }
1107
1108         if (stat == Ok)
1109         {
1110             stat = GdipInvertMatrix(world_to_gradient);
1111
1112             if (stat == Ok)
1113                 stat = GdipTransformMatrixPoints(world_to_gradient, draw_points, 3);
1114
1115             GdipDeleteMatrix(world_to_gradient);
1116         }
1117
1118         if (stat == Ok)
1119         {
1120             REAL x_delta = draw_points[1].X - draw_points[0].X;
1121             REAL y_delta = draw_points[2].X - draw_points[0].X;
1122
1123             for (y=0; y<fill_area->Height; y++)
1124             {
1125                 for (x=0; x<fill_area->Width; x++)
1126                 {
1127                     REAL pos = draw_points[0].X + x * x_delta + y * y_delta;
1128
1129                     argb_pixels[x + y*cdwStride] = blend_line_gradient(fill, pos);
1130                 }
1131             }
1132         }
1133
1134         return stat;
1135     }
1136     case BrushTypeTextureFill:
1137     {
1138         GpTexture *fill = (GpTexture*)brush;
1139         GpPointF draw_points[3];
1140         GpStatus stat;
1141         int x, y;
1142         GpBitmap *bitmap;
1143         int src_stride;
1144         GpRect src_area;
1145
1146         if (fill->image->type != ImageTypeBitmap)
1147         {
1148             FIXME("metafile texture brushes not implemented\n");
1149             return NotImplemented;
1150         }
1151
1152         bitmap = (GpBitmap*)fill->image;
1153         src_stride = sizeof(ARGB) * bitmap->width;
1154
1155         src_area.X = src_area.Y = 0;
1156         src_area.Width = bitmap->width;
1157         src_area.Height = bitmap->height;
1158
1159         draw_points[0].X = fill_area->X;
1160         draw_points[0].Y = fill_area->Y;
1161         draw_points[1].X = fill_area->X+1;
1162         draw_points[1].Y = fill_area->Y;
1163         draw_points[2].X = fill_area->X;
1164         draw_points[2].Y = fill_area->Y+1;
1165
1166         /* Transform the points to the co-ordinate space of the bitmap. */
1167         stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
1168             CoordinateSpaceDevice, draw_points, 3);
1169
1170         if (stat == Ok)
1171         {
1172             GpMatrix world_to_texture = fill->transform;
1173
1174             stat = GdipInvertMatrix(&world_to_texture);
1175             if (stat == Ok)
1176                 stat = GdipTransformMatrixPoints(&world_to_texture, draw_points, 3);
1177         }
1178
1179         if (stat == Ok && !fill->bitmap_bits)
1180         {
1181             BitmapData lockeddata;
1182
1183             fill->bitmap_bits = GdipAlloc(sizeof(ARGB) * bitmap->width * bitmap->height);
1184             if (!fill->bitmap_bits)
1185                 stat = OutOfMemory;
1186
1187             if (stat == Ok)
1188             {
1189                 lockeddata.Width = bitmap->width;
1190                 lockeddata.Height = bitmap->height;
1191                 lockeddata.Stride = src_stride;
1192                 lockeddata.PixelFormat = PixelFormat32bppARGB;
1193                 lockeddata.Scan0 = fill->bitmap_bits;
1194
1195                 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
1196                     PixelFormat32bppARGB, &lockeddata);
1197             }
1198
1199             if (stat == Ok)
1200                 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
1201
1202             if (stat == Ok)
1203                 apply_image_attributes(fill->imageattributes, fill->bitmap_bits,
1204                     bitmap->width, bitmap->height,
1205                     src_stride, ColorAdjustTypeBitmap);
1206
1207             if (stat != Ok)
1208             {
1209                 GdipFree(fill->bitmap_bits);
1210                 fill->bitmap_bits = NULL;
1211             }
1212         }
1213
1214         if (stat == Ok)
1215         {
1216             REAL x_dx = draw_points[1].X - draw_points[0].X;
1217             REAL x_dy = draw_points[1].Y - draw_points[0].Y;
1218             REAL y_dx = draw_points[2].X - draw_points[0].X;
1219             REAL y_dy = draw_points[2].Y - draw_points[0].Y;
1220
1221             for (y=0; y<fill_area->Height; y++)
1222             {
1223                 for (x=0; x<fill_area->Width; x++)
1224                 {
1225                     GpPointF point;
1226                     point.X = draw_points[0].X + x * x_dx + y * y_dx;
1227                     point.Y = draw_points[0].Y + y * x_dy + y * y_dy;
1228
1229                     argb_pixels[x + y*cdwStride] = resample_bitmap_pixel(
1230                         &src_area, fill->bitmap_bits, bitmap->width, bitmap->height,
1231                         &point, fill->imageattributes, graphics->interpolation,
1232                         graphics->pixeloffset);
1233                 }
1234             }
1235         }
1236
1237         return stat;
1238     }
1239     case BrushTypePathGradient:
1240     {
1241         GpPathGradient *fill = (GpPathGradient*)brush;
1242         GpPath *flat_path;
1243         GpMatrix world_to_device;
1244         GpStatus stat;
1245         int i, figure_start=0;
1246         GpPointF start_point, end_point, center_point;
1247         BYTE type;
1248         REAL min_yf, max_yf, line1_xf, line2_xf;
1249         INT min_y, max_y, min_x, max_x;
1250         INT x, y;
1251         ARGB outer_color;
1252         static int transform_fixme_once;
1253
1254         if (fill->focus.X != 0.0 || fill->focus.Y != 0.0)
1255         {
1256             static int once;
1257             if (!once++)
1258                 FIXME("path gradient focus not implemented\n");
1259         }
1260
1261         if (fill->gamma)
1262         {
1263             static int once;
1264             if (!once++)
1265                 FIXME("path gradient gamma correction not implemented\n");
1266         }
1267
1268         if (fill->blendcount)
1269         {
1270             static int once;
1271             if (!once++)
1272                 FIXME("path gradient blend not implemented\n");
1273         }
1274
1275         if (fill->pblendcount)
1276         {
1277             static int once;
1278             if (!once++)
1279                 FIXME("path gradient preset blend not implemented\n");
1280         }
1281
1282         if (!transform_fixme_once)
1283         {
1284             BOOL is_identity=TRUE;
1285             GdipIsMatrixIdentity(&fill->transform, &is_identity);
1286             if (!is_identity)
1287             {
1288                 FIXME("path gradient transform not implemented\n");
1289                 transform_fixme_once = 1;
1290             }
1291         }
1292
1293         stat = GdipClonePath(fill->path, &flat_path);
1294
1295         if (stat != Ok)
1296             return stat;
1297
1298         stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
1299             CoordinateSpaceWorld, &world_to_device);
1300         if (stat == Ok)
1301         {
1302             stat = GdipTransformPath(flat_path, &world_to_device);
1303
1304             if (stat == Ok)
1305             {
1306                 center_point = fill->center;
1307                 stat = GdipTransformMatrixPoints(&world_to_device, &center_point, 1);
1308             }
1309
1310             if (stat == Ok)
1311                 stat = GdipFlattenPath(flat_path, NULL, 0.5);
1312         }
1313
1314         if (stat != Ok)
1315         {
1316             GdipDeletePath(flat_path);
1317             return stat;
1318         }
1319
1320         for (i=0; i<flat_path->pathdata.Count; i++)
1321         {
1322             int start_center_line=0, end_center_line=0;
1323             int seen_start=0, seen_end=0, seen_center=0;
1324             REAL center_distance;
1325             ARGB start_color, end_color;
1326             REAL dy, dx;
1327
1328             type = flat_path->pathdata.Types[i];
1329
1330             if ((type&PathPointTypePathTypeMask) == PathPointTypeStart)
1331                 figure_start = i;
1332
1333             start_point = flat_path->pathdata.Points[i];
1334
1335             start_color = fill->surroundcolors[min(i, fill->surroundcolorcount-1)];
1336
1337             if ((type&PathPointTypeCloseSubpath) == PathPointTypeCloseSubpath || i+1 >= flat_path->pathdata.Count)
1338             {
1339                 end_point = flat_path->pathdata.Points[figure_start];
1340                 end_color = fill->surroundcolors[min(figure_start, fill->surroundcolorcount-1)];
1341             }
1342             else if ((flat_path->pathdata.Types[i+1] & PathPointTypePathTypeMask) == PathPointTypeLine)
1343             {
1344                 end_point = flat_path->pathdata.Points[i+1];
1345                 end_color = fill->surroundcolors[min(i+1, fill->surroundcolorcount-1)];
1346             }
1347             else
1348                 continue;
1349
1350             outer_color = start_color;
1351
1352             min_yf = center_point.Y;
1353             if (min_yf > start_point.Y) min_yf = start_point.Y;
1354             if (min_yf > end_point.Y) min_yf = end_point.Y;
1355
1356             if (min_yf < fill_area->Y)
1357                 min_y = fill_area->Y;
1358             else
1359                 min_y = (INT)ceil(min_yf);
1360
1361             max_yf = center_point.Y;
1362             if (max_yf < start_point.Y) max_yf = start_point.Y;
1363             if (max_yf < end_point.Y) max_yf = end_point.Y;
1364
1365             if (max_yf > fill_area->Y + fill_area->Height)
1366                 max_y = fill_area->Y + fill_area->Height;
1367             else
1368                 max_y = (INT)ceil(max_yf);
1369
1370             dy = end_point.Y - start_point.Y;
1371             dx = end_point.X - start_point.X;
1372
1373             /* This is proportional to the distance from start-end line to center point. */
1374             center_distance = dy * (start_point.X - center_point.X) +
1375                 dx * (center_point.Y - start_point.Y);
1376
1377             for (y=min_y; y<max_y; y++)
1378             {
1379                 REAL yf = (REAL)y;
1380
1381                 if (!seen_start && yf >= start_point.Y)
1382                 {
1383                     seen_start = 1;
1384                     start_center_line ^= 1;
1385                 }
1386                 if (!seen_end && yf >= end_point.Y)
1387                 {
1388                     seen_end = 1;
1389                     end_center_line ^= 1;
1390                 }
1391                 if (!seen_center && yf >= center_point.Y)
1392                 {
1393                     seen_center = 1;
1394                     start_center_line ^= 1;
1395                     end_center_line ^= 1;
1396                 }
1397
1398                 if (start_center_line)
1399                     line1_xf = intersect_line_scanline(&start_point, &center_point, yf);
1400                 else
1401                     line1_xf = intersect_line_scanline(&start_point, &end_point, yf);
1402
1403                 if (end_center_line)
1404                     line2_xf = intersect_line_scanline(&end_point, &center_point, yf);
1405                 else
1406                     line2_xf = intersect_line_scanline(&start_point, &end_point, yf);
1407
1408                 if (line1_xf < line2_xf)
1409                 {
1410                     min_x = (INT)ceil(line1_xf);
1411                     max_x = (INT)ceil(line2_xf);
1412                 }
1413                 else
1414                 {
1415                     min_x = (INT)ceil(line2_xf);
1416                     max_x = (INT)ceil(line1_xf);
1417                 }
1418
1419                 if (min_x < fill_area->X)
1420                     min_x = fill_area->X;
1421                 if (max_x > fill_area->X + fill_area->Width)
1422                     max_x = fill_area->X + fill_area->Width;
1423
1424                 for (x=min_x; x<max_x; x++)
1425                 {
1426                     REAL xf = (REAL)x;
1427                     REAL distance;
1428
1429                     if (start_color != end_color)
1430                     {
1431                         REAL blend_amount, pdy, pdx;
1432                         pdy = yf - center_point.Y;
1433                         pdx = xf - center_point.X;
1434                         blend_amount = ( (center_point.Y - start_point.Y) * pdx + (start_point.X - center_point.X) * pdy ) / ( dy * pdx - dx * pdy );
1435                         outer_color = blend_colors(start_color, end_color, blend_amount);
1436                     }
1437
1438                     distance = (end_point.Y - start_point.Y) * (start_point.X - xf) +
1439                         (end_point.X - start_point.X) * (yf - start_point.Y);
1440
1441                     distance = distance / center_distance;
1442
1443                     argb_pixels[(x-fill_area->X) + (y-fill_area->Y)*cdwStride] =
1444                         blend_colors(outer_color, fill->centercolor, distance);
1445                 }
1446             }
1447         }
1448
1449         GdipDeletePath(flat_path);
1450         return stat;
1451     }
1452     default:
1453         return NotImplemented;
1454     }
1455 }
1456
1457 /* GdipDrawPie/GdipFillPie helper function */
1458 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
1459     REAL height, REAL startAngle, REAL sweepAngle)
1460 {
1461     GpPointF ptf[4];
1462     POINT pti[4];
1463
1464     ptf[0].X = x;
1465     ptf[0].Y = y;
1466     ptf[1].X = x + width;
1467     ptf[1].Y = y + height;
1468
1469     deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
1470     deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
1471
1472     transform_and_round_points(graphics, pti, ptf, 4);
1473
1474     Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
1475         pti[2].y, pti[3].x, pti[3].y);
1476 }
1477
1478 /* Draws the linecap the specified color and size on the hdc.  The linecap is in
1479  * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
1480  * should not be called on an hdc that has a path you care about. */
1481 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
1482     const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
1483 {
1484     HGDIOBJ oldbrush = NULL, oldpen = NULL;
1485     GpMatrix matrix;
1486     HBRUSH brush = NULL;
1487     HPEN pen = NULL;
1488     PointF ptf[4], *custptf = NULL;
1489     POINT pt[4], *custpt = NULL;
1490     BYTE *tp = NULL;
1491     REAL theta, dsmall, dbig, dx, dy = 0.0;
1492     INT i, count;
1493     LOGBRUSH lb;
1494     BOOL customstroke;
1495
1496     if((x1 == x2) && (y1 == y2))
1497         return;
1498
1499     theta = gdiplus_atan2(y2 - y1, x2 - x1);
1500
1501     customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
1502     if(!customstroke){
1503         brush = CreateSolidBrush(color);
1504         lb.lbStyle = BS_SOLID;
1505         lb.lbColor = color;
1506         lb.lbHatch = 0;
1507         pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
1508                            PS_JOIN_MITER, 1, &lb, 0,
1509                            NULL);
1510         oldbrush = SelectObject(graphics->hdc, brush);
1511         oldpen = SelectObject(graphics->hdc, pen);
1512     }
1513
1514     switch(cap){
1515         case LineCapFlat:
1516             break;
1517         case LineCapSquare:
1518         case LineCapSquareAnchor:
1519         case LineCapDiamondAnchor:
1520             size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
1521             if(cap == LineCapDiamondAnchor){
1522                 dsmall = cos(theta + M_PI_2) * size;
1523                 dbig = sin(theta + M_PI_2) * size;
1524             }
1525             else{
1526                 dsmall = cos(theta + M_PI_4) * size;
1527                 dbig = sin(theta + M_PI_4) * size;
1528             }
1529
1530             ptf[0].X = x2 - dsmall;
1531             ptf[1].X = x2 + dbig;
1532
1533             ptf[0].Y = y2 - dbig;
1534             ptf[3].Y = y2 + dsmall;
1535
1536             ptf[1].Y = y2 - dsmall;
1537             ptf[2].Y = y2 + dbig;
1538
1539             ptf[3].X = x2 - dbig;
1540             ptf[2].X = x2 + dsmall;
1541
1542             transform_and_round_points(graphics, pt, ptf, 4);
1543             Polygon(graphics->hdc, pt, 4);
1544
1545             break;
1546         case LineCapArrowAnchor:
1547             size = size * 4.0 / sqrt(3.0);
1548
1549             dx = cos(M_PI / 6.0 + theta) * size;
1550             dy = sin(M_PI / 6.0 + theta) * size;
1551
1552             ptf[0].X = x2 - dx;
1553             ptf[0].Y = y2 - dy;
1554
1555             dx = cos(- M_PI / 6.0 + theta) * size;
1556             dy = sin(- M_PI / 6.0 + theta) * size;
1557
1558             ptf[1].X = x2 - dx;
1559             ptf[1].Y = y2 - dy;
1560
1561             ptf[2].X = x2;
1562             ptf[2].Y = y2;
1563
1564             transform_and_round_points(graphics, pt, ptf, 3);
1565             Polygon(graphics->hdc, pt, 3);
1566
1567             break;
1568         case LineCapRoundAnchor:
1569             dx = dy = ANCHOR_WIDTH * size / 2.0;
1570
1571             ptf[0].X = x2 - dx;
1572             ptf[0].Y = y2 - dy;
1573             ptf[1].X = x2 + dx;
1574             ptf[1].Y = y2 + dy;
1575
1576             transform_and_round_points(graphics, pt, ptf, 2);
1577             Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
1578
1579             break;
1580         case LineCapTriangle:
1581             size = size / 2.0;
1582             dx = cos(M_PI_2 + theta) * size;
1583             dy = sin(M_PI_2 + theta) * size;
1584
1585             ptf[0].X = x2 - dx;
1586             ptf[0].Y = y2 - dy;
1587             ptf[1].X = x2 + dx;
1588             ptf[1].Y = y2 + dy;
1589
1590             dx = cos(theta) * size;
1591             dy = sin(theta) * size;
1592
1593             ptf[2].X = x2 + dx;
1594             ptf[2].Y = y2 + dy;
1595
1596             transform_and_round_points(graphics, pt, ptf, 3);
1597             Polygon(graphics->hdc, pt, 3);
1598
1599             break;
1600         case LineCapRound:
1601             dx = dy = size / 2.0;
1602
1603             ptf[0].X = x2 - dx;
1604             ptf[0].Y = y2 - dy;
1605             ptf[1].X = x2 + dx;
1606             ptf[1].Y = y2 + dy;
1607
1608             dx = -cos(M_PI_2 + theta) * size;
1609             dy = -sin(M_PI_2 + theta) * size;
1610
1611             ptf[2].X = x2 - dx;
1612             ptf[2].Y = y2 - dy;
1613             ptf[3].X = x2 + dx;
1614             ptf[3].Y = y2 + dy;
1615
1616             transform_and_round_points(graphics, pt, ptf, 4);
1617             Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
1618                 pt[2].y, pt[3].x, pt[3].y);
1619
1620             break;
1621         case LineCapCustom:
1622             if(!custom)
1623                 break;
1624
1625             count = custom->pathdata.Count;
1626             custptf = GdipAlloc(count * sizeof(PointF));
1627             custpt = GdipAlloc(count * sizeof(POINT));
1628             tp = GdipAlloc(count);
1629
1630             if(!custptf || !custpt || !tp)
1631                 goto custend;
1632
1633             memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
1634
1635             GdipSetMatrixElements(&matrix, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
1636             GdipScaleMatrix(&matrix, size, size, MatrixOrderAppend);
1637             GdipRotateMatrix(&matrix, (180.0 / M_PI) * (theta - M_PI_2),
1638                              MatrixOrderAppend);
1639             GdipTranslateMatrix(&matrix, x2, y2, MatrixOrderAppend);
1640             GdipTransformMatrixPoints(&matrix, custptf, count);
1641
1642             transform_and_round_points(graphics, custpt, custptf, count);
1643
1644             for(i = 0; i < count; i++)
1645                 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
1646
1647             if(custom->fill){
1648                 BeginPath(graphics->hdc);
1649                 PolyDraw(graphics->hdc, custpt, tp, count);
1650                 EndPath(graphics->hdc);
1651                 StrokeAndFillPath(graphics->hdc);
1652             }
1653             else
1654                 PolyDraw(graphics->hdc, custpt, tp, count);
1655
1656 custend:
1657             GdipFree(custptf);
1658             GdipFree(custpt);
1659             GdipFree(tp);
1660             break;
1661         default:
1662             break;
1663     }
1664
1665     if(!customstroke){
1666         SelectObject(graphics->hdc, oldbrush);
1667         SelectObject(graphics->hdc, oldpen);
1668         DeleteObject(brush);
1669         DeleteObject(pen);
1670     }
1671 }
1672
1673 /* Shortens the line by the given percent by changing x2, y2.
1674  * If percent is > 1.0 then the line will change direction.
1675  * If percent is negative it can lengthen the line. */
1676 static void shorten_line_percent(REAL x1, REAL  y1, REAL *x2, REAL *y2, REAL percent)
1677 {
1678     REAL dist, theta, dx, dy;
1679
1680     if((y1 == *y2) && (x1 == *x2))
1681         return;
1682
1683     dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
1684     theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
1685     dx = cos(theta) * dist;
1686     dy = sin(theta) * dist;
1687
1688     *x2 = *x2 + dx;
1689     *y2 = *y2 + dy;
1690 }
1691
1692 /* Shortens the line by the given amount by changing x2, y2.
1693  * If the amount is greater than the distance, the line will become length 0.
1694  * If the amount is negative, it can lengthen the line. */
1695 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
1696 {
1697     REAL dx, dy, percent;
1698
1699     dx = *x2 - x1;
1700     dy = *y2 - y1;
1701     if(dx == 0 && dy == 0)
1702         return;
1703
1704     percent = amt / sqrt(dx * dx + dy * dy);
1705     if(percent >= 1.0){
1706         *x2 = x1;
1707         *y2 = y1;
1708         return;
1709     }
1710
1711     shorten_line_percent(x1, y1, x2, y2, percent);
1712 }
1713
1714 /* Draws lines between the given points, and if caps is true then draws an endcap
1715  * at the end of the last line. */
1716 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
1717     GDIPCONST GpPointF * pt, INT count, BOOL caps)
1718 {
1719     POINT *pti = NULL;
1720     GpPointF *ptcopy = NULL;
1721     GpStatus status = GenericError;
1722
1723     if(!count)
1724         return Ok;
1725
1726     pti = GdipAlloc(count * sizeof(POINT));
1727     ptcopy = GdipAlloc(count * sizeof(GpPointF));
1728
1729     if(!pti || !ptcopy){
1730         status = OutOfMemory;
1731         goto end;
1732     }
1733
1734     memcpy(ptcopy, pt, count * sizeof(GpPointF));
1735
1736     if(caps){
1737         if(pen->endcap == LineCapArrowAnchor)
1738             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1739                              &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
1740         else if((pen->endcap == LineCapCustom) && pen->customend)
1741             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1742                              &ptcopy[count-1].X, &ptcopy[count-1].Y,
1743                              pen->customend->inset * pen->width);
1744
1745         if(pen->startcap == LineCapArrowAnchor)
1746             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1747                              &ptcopy[0].X, &ptcopy[0].Y, pen->width);
1748         else if((pen->startcap == LineCapCustom) && pen->customstart)
1749             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1750                              &ptcopy[0].X, &ptcopy[0].Y,
1751                              pen->customstart->inset * pen->width);
1752
1753         draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1754                  pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
1755         draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1756                          pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
1757     }
1758
1759     transform_and_round_points(graphics, pti, ptcopy, count);
1760
1761     if(Polyline(graphics->hdc, pti, count))
1762         status = Ok;
1763
1764 end:
1765     GdipFree(pti);
1766     GdipFree(ptcopy);
1767
1768     return status;
1769 }
1770
1771 /* Conducts a linear search to find the bezier points that will back off
1772  * the endpoint of the curve by a distance of amt. Linear search works
1773  * better than binary in this case because there are multiple solutions,
1774  * and binary searches often find a bad one. I don't think this is what
1775  * Windows does but short of rendering the bezier without GDI's help it's
1776  * the best we can do. If rev then work from the start of the passed points
1777  * instead of the end. */
1778 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
1779 {
1780     GpPointF origpt[4];
1781     REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
1782     INT i, first = 0, second = 1, third = 2, fourth = 3;
1783
1784     if(rev){
1785         first = 3;
1786         second = 2;
1787         third = 1;
1788         fourth = 0;
1789     }
1790
1791     origx = pt[fourth].X;
1792     origy = pt[fourth].Y;
1793     memcpy(origpt, pt, sizeof(GpPointF) * 4);
1794
1795     for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
1796         /* reset bezier points to original values */
1797         memcpy(pt, origpt, sizeof(GpPointF) * 4);
1798         /* Perform magic on bezier points. Order is important here.*/
1799         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1800         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1801         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1802         shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
1803         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1804         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1805
1806         dx = pt[fourth].X - origx;
1807         dy = pt[fourth].Y - origy;
1808
1809         diff = sqrt(dx * dx + dy * dy);
1810         percent += 0.0005 * amt;
1811     }
1812 }
1813
1814 /* Draws bezier curves between given points, and if caps is true then draws an
1815  * endcap at the end of the last line. */
1816 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
1817     GDIPCONST GpPointF * pt, INT count, BOOL caps)
1818 {
1819     POINT *pti;
1820     GpPointF *ptcopy;
1821     GpStatus status = GenericError;
1822
1823     if(!count)
1824         return Ok;
1825
1826     pti = GdipAlloc(count * sizeof(POINT));
1827     ptcopy = GdipAlloc(count * sizeof(GpPointF));
1828
1829     if(!pti || !ptcopy){
1830         status = OutOfMemory;
1831         goto end;
1832     }
1833
1834     memcpy(ptcopy, pt, count * sizeof(GpPointF));
1835
1836     if(caps){
1837         if(pen->endcap == LineCapArrowAnchor)
1838             shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
1839         else if((pen->endcap == LineCapCustom) && pen->customend)
1840             shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
1841                                FALSE);
1842
1843         if(pen->startcap == LineCapArrowAnchor)
1844             shorten_bezier_amt(ptcopy, pen->width, TRUE);
1845         else if((pen->startcap == LineCapCustom) && pen->customstart)
1846             shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
1847
1848         /* the direction of the line cap is parallel to the direction at the
1849          * end of the bezier (which, if it has been shortened, is not the same
1850          * as the direction from pt[count-2] to pt[count-1]) */
1851         draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1852             pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1853             pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1854             pt[count - 1].X, pt[count - 1].Y);
1855
1856         draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1857             pt[0].X - (ptcopy[0].X - ptcopy[1].X),
1858             pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
1859     }
1860
1861     transform_and_round_points(graphics, pti, ptcopy, count);
1862
1863     PolyBezier(graphics->hdc, pti, count);
1864
1865     status = Ok;
1866
1867 end:
1868     GdipFree(pti);
1869     GdipFree(ptcopy);
1870
1871     return status;
1872 }
1873
1874 /* Draws a combination of bezier curves and lines between points. */
1875 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
1876     GDIPCONST BYTE * types, INT count, BOOL caps)
1877 {
1878     POINT *pti = GdipAlloc(count * sizeof(POINT));
1879     BYTE *tp = GdipAlloc(count);
1880     GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
1881     INT i, j;
1882     GpStatus status = GenericError;
1883
1884     if(!count){
1885         status = Ok;
1886         goto end;
1887     }
1888     if(!pti || !tp || !ptcopy){
1889         status = OutOfMemory;
1890         goto end;
1891     }
1892
1893     for(i = 1; i < count; i++){
1894         if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
1895             if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
1896                 || !(types[i + 1] & PathPointTypeBezier)){
1897                 ERR("Bad bezier points\n");
1898                 goto end;
1899             }
1900             i += 2;
1901         }
1902     }
1903
1904     memcpy(ptcopy, pt, count * sizeof(GpPointF));
1905
1906     /* If we are drawing caps, go through the points and adjust them accordingly,
1907      * and draw the caps. */
1908     if(caps){
1909         switch(types[count - 1] & PathPointTypePathTypeMask){
1910             case PathPointTypeBezier:
1911                 if(pen->endcap == LineCapArrowAnchor)
1912                     shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
1913                 else if((pen->endcap == LineCapCustom) && pen->customend)
1914                     shorten_bezier_amt(&ptcopy[count - 4],
1915                                        pen->width * pen->customend->inset, FALSE);
1916
1917                 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1918                     pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1919                     pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1920                     pt[count - 1].X, pt[count - 1].Y);
1921
1922                 break;
1923             case PathPointTypeLine:
1924                 if(pen->endcap == LineCapArrowAnchor)
1925                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1926                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1927                                      pen->width);
1928                 else if((pen->endcap == LineCapCustom) && pen->customend)
1929                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1930                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1931                                      pen->customend->inset * pen->width);
1932
1933                 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1934                          pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
1935                          pt[count - 1].Y);
1936
1937                 break;
1938             default:
1939                 ERR("Bad path last point\n");
1940                 goto end;
1941         }
1942
1943         /* Find start of points */
1944         for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
1945             == PathPointTypeStart); j++);
1946
1947         switch(types[j] & PathPointTypePathTypeMask){
1948             case PathPointTypeBezier:
1949                 if(pen->startcap == LineCapArrowAnchor)
1950                     shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
1951                 else if((pen->startcap == LineCapCustom) && pen->customstart)
1952                     shorten_bezier_amt(&ptcopy[j - 1],
1953                                        pen->width * pen->customstart->inset, TRUE);
1954
1955                 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1956                     pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
1957                     pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
1958                     pt[j - 1].X, pt[j - 1].Y);
1959
1960                 break;
1961             case PathPointTypeLine:
1962                 if(pen->startcap == LineCapArrowAnchor)
1963                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1964                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1965                                      pen->width);
1966                 else if((pen->startcap == LineCapCustom) && pen->customstart)
1967                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1968                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1969                                      pen->customstart->inset * pen->width);
1970
1971                 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1972                          pt[j].X, pt[j].Y, pt[j - 1].X,
1973                          pt[j - 1].Y);
1974
1975                 break;
1976             default:
1977                 ERR("Bad path points\n");
1978                 goto end;
1979         }
1980     }
1981
1982     transform_and_round_points(graphics, pti, ptcopy, count);
1983
1984     for(i = 0; i < count; i++){
1985         tp[i] = convert_path_point_type(types[i]);
1986     }
1987
1988     PolyDraw(graphics->hdc, pti, tp, count);
1989
1990     status = Ok;
1991
1992 end:
1993     GdipFree(pti);
1994     GdipFree(ptcopy);
1995     GdipFree(tp);
1996
1997     return status;
1998 }
1999
2000 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
2001 {
2002     GpStatus result;
2003
2004     BeginPath(graphics->hdc);
2005     result = draw_poly(graphics, NULL, path->pathdata.Points,
2006                        path->pathdata.Types, path->pathdata.Count, FALSE);
2007     EndPath(graphics->hdc);
2008     return result;
2009 }
2010
2011 typedef struct _GraphicsContainerItem {
2012     struct list entry;
2013     GraphicsContainer contid;
2014
2015     SmoothingMode smoothing;
2016     CompositingQuality compqual;
2017     InterpolationMode interpolation;
2018     CompositingMode compmode;
2019     TextRenderingHint texthint;
2020     REAL scale;
2021     GpUnit unit;
2022     PixelOffsetMode pixeloffset;
2023     UINT textcontrast;
2024     GpMatrix worldtrans;
2025     GpRegion* clip;
2026     INT origin_x, origin_y;
2027 } GraphicsContainerItem;
2028
2029 static GpStatus init_container(GraphicsContainerItem** container,
2030         GDIPCONST GpGraphics* graphics){
2031     GpStatus sts;
2032
2033     *container = GdipAlloc(sizeof(GraphicsContainerItem));
2034     if(!(*container))
2035         return OutOfMemory;
2036
2037     (*container)->contid = graphics->contid + 1;
2038
2039     (*container)->smoothing = graphics->smoothing;
2040     (*container)->compqual = graphics->compqual;
2041     (*container)->interpolation = graphics->interpolation;
2042     (*container)->compmode = graphics->compmode;
2043     (*container)->texthint = graphics->texthint;
2044     (*container)->scale = graphics->scale;
2045     (*container)->unit = graphics->unit;
2046     (*container)->textcontrast = graphics->textcontrast;
2047     (*container)->pixeloffset = graphics->pixeloffset;
2048     (*container)->origin_x = graphics->origin_x;
2049     (*container)->origin_y = graphics->origin_y;
2050     (*container)->worldtrans = graphics->worldtrans;
2051
2052     sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
2053     if(sts != Ok){
2054         GdipFree(*container);
2055         *container = NULL;
2056         return sts;
2057     }
2058
2059     return Ok;
2060 }
2061
2062 static void delete_container(GraphicsContainerItem* container)
2063 {
2064     GdipDeleteRegion(container->clip);
2065     GdipFree(container);
2066 }
2067
2068 static GpStatus restore_container(GpGraphics* graphics,
2069         GDIPCONST GraphicsContainerItem* container){
2070     GpStatus sts;
2071     GpRegion *newClip;
2072
2073     sts = GdipCloneRegion(container->clip, &newClip);
2074     if(sts != Ok) return sts;
2075
2076     graphics->worldtrans = container->worldtrans;
2077
2078     GdipDeleteRegion(graphics->clip);
2079     graphics->clip = newClip;
2080
2081     graphics->contid = container->contid - 1;
2082
2083     graphics->smoothing = container->smoothing;
2084     graphics->compqual = container->compqual;
2085     graphics->interpolation = container->interpolation;
2086     graphics->compmode = container->compmode;
2087     graphics->texthint = container->texthint;
2088     graphics->scale = container->scale;
2089     graphics->unit = container->unit;
2090     graphics->textcontrast = container->textcontrast;
2091     graphics->pixeloffset = container->pixeloffset;
2092     graphics->origin_x = container->origin_x;
2093     graphics->origin_y = container->origin_y;
2094
2095     return Ok;
2096 }
2097
2098 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
2099 {
2100     RECT wnd_rect;
2101     GpStatus stat=Ok;
2102     GpUnit unit;
2103
2104     if(graphics->hwnd) {
2105         if(!GetClientRect(graphics->hwnd, &wnd_rect))
2106             return GenericError;
2107
2108         rect->X = wnd_rect.left;
2109         rect->Y = wnd_rect.top;
2110         rect->Width = wnd_rect.right - wnd_rect.left;
2111         rect->Height = wnd_rect.bottom - wnd_rect.top;
2112     }else if (graphics->image){
2113         stat = GdipGetImageBounds(graphics->image, rect, &unit);
2114         if (stat == Ok && unit != UnitPixel)
2115             FIXME("need to convert from unit %i\n", unit);
2116     }else{
2117         rect->X = 0;
2118         rect->Y = 0;
2119         rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
2120         rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
2121     }
2122
2123     return stat;
2124 }
2125
2126 /* on success, rgn will contain the region of the graphics object which
2127  * is visible after clipping has been applied */
2128 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
2129 {
2130     GpStatus stat;
2131     GpRectF rectf;
2132     GpRegion* tmp;
2133
2134     if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
2135         return stat;
2136
2137     if((stat = GdipCreateRegion(&tmp)) != Ok)
2138         return stat;
2139
2140     if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
2141         goto end;
2142
2143     if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
2144         goto end;
2145
2146     stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
2147
2148 end:
2149     GdipDeleteRegion(tmp);
2150     return stat;
2151 }
2152
2153 void get_log_fontW(const GpFont *font, GpGraphics *graphics, LOGFONTW *lf)
2154 {
2155     REAL height;
2156
2157     if (font->unit == UnitPixel)
2158     {
2159         height = units_to_pixels(font->emSize, graphics->unit, graphics->yres);
2160     }
2161     else
2162     {
2163         if (graphics->unit == UnitDisplay || graphics->unit == UnitPixel)
2164             height = units_to_pixels(font->emSize, font->unit, graphics->xres);
2165         else
2166             height = units_to_pixels(font->emSize, font->unit, graphics->yres);
2167     }
2168
2169     lf->lfHeight = -(height + 0.5);
2170     lf->lfWidth = 0;
2171     lf->lfEscapement = 0;
2172     lf->lfOrientation = 0;
2173     lf->lfWeight = font->otm.otmTextMetrics.tmWeight;
2174     lf->lfItalic = font->otm.otmTextMetrics.tmItalic ? 1 : 0;
2175     lf->lfUnderline = font->otm.otmTextMetrics.tmUnderlined ? 1 : 0;
2176     lf->lfStrikeOut = font->otm.otmTextMetrics.tmStruckOut ? 1 : 0;
2177     lf->lfCharSet = font->otm.otmTextMetrics.tmCharSet;
2178     lf->lfOutPrecision = OUT_DEFAULT_PRECIS;
2179     lf->lfClipPrecision = CLIP_DEFAULT_PRECIS;
2180     lf->lfQuality = DEFAULT_QUALITY;
2181     lf->lfPitchAndFamily = 0;
2182     strcpyW(lf->lfFaceName, font->family->FamilyName);
2183 }
2184
2185 static void get_font_hfont(GpGraphics *graphics, GDIPCONST GpFont *font,
2186                            GDIPCONST GpStringFormat *format, HFONT *hfont,
2187                            GDIPCONST GpMatrix *matrix)
2188 {
2189     HDC hdc = CreateCompatibleDC(0);
2190     GpPointF pt[3];
2191     REAL angle, rel_width, rel_height, font_height;
2192     LOGFONTW lfw;
2193     HFONT unscaled_font;
2194     TEXTMETRICW textmet;
2195
2196     if (font->unit == UnitPixel)
2197         font_height = font->emSize;
2198     else
2199     {
2200         REAL unit_scale, res;
2201
2202         res = (graphics->unit == UnitDisplay || graphics->unit == UnitPixel) ? graphics->xres : graphics->yres;
2203         unit_scale = units_scale(font->unit, graphics->unit, res);
2204
2205         font_height = font->emSize * unit_scale;
2206     }
2207
2208     pt[0].X = 0.0;
2209     pt[0].Y = 0.0;
2210     pt[1].X = 1.0;
2211     pt[1].Y = 0.0;
2212     pt[2].X = 0.0;
2213     pt[2].Y = 1.0;
2214     if (matrix)
2215     {
2216         GpMatrix xform = *matrix;
2217         GdipTransformMatrixPoints(&xform, pt, 3);
2218     }
2219     if (graphics)
2220         GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
2221     angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2222     rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
2223                      (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
2224     rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
2225                       (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
2226
2227     get_log_fontW(font, graphics, &lfw);
2228     lfw.lfHeight = gdip_round(font_height * rel_height);
2229     unscaled_font = CreateFontIndirectW(&lfw);
2230
2231     SelectObject(hdc, unscaled_font);
2232     GetTextMetricsW(hdc, &textmet);
2233
2234     lfw.lfWidth = gdip_round(textmet.tmAveCharWidth * rel_width / rel_height);
2235     lfw.lfEscapement = lfw.lfOrientation = gdip_round((angle / M_PI) * 1800.0);
2236
2237     *hfont = CreateFontIndirectW(&lfw);
2238
2239     DeleteDC(hdc);
2240     DeleteObject(unscaled_font);
2241 }
2242
2243 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
2244 {
2245     TRACE("(%p, %p)\n", hdc, graphics);
2246
2247     return GdipCreateFromHDC2(hdc, NULL, graphics);
2248 }
2249
2250 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
2251 {
2252     GpStatus retval;
2253     HBITMAP hbitmap;
2254     DIBSECTION dib;
2255
2256     TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
2257
2258     if(hDevice != NULL) {
2259         FIXME("Don't know how to handle parameter hDevice\n");
2260         return NotImplemented;
2261     }
2262
2263     if(hdc == NULL)
2264         return OutOfMemory;
2265
2266     if(graphics == NULL)
2267         return InvalidParameter;
2268
2269     *graphics = GdipAlloc(sizeof(GpGraphics));
2270     if(!*graphics)  return OutOfMemory;
2271
2272     GdipSetMatrixElements(&(*graphics)->worldtrans, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
2273
2274     if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
2275         GdipFree(*graphics);
2276         return retval;
2277     }
2278
2279     hbitmap = GetCurrentObject(hdc, OBJ_BITMAP);
2280     if (hbitmap && GetObjectW(hbitmap, sizeof(dib), &dib) == sizeof(dib) &&
2281         dib.dsBmih.biBitCount == 32 && dib.dsBmih.biCompression == BI_RGB)
2282     {
2283         (*graphics)->alpha_hdc = 1;
2284     }
2285
2286     (*graphics)->hdc = hdc;
2287     (*graphics)->hwnd = WindowFromDC(hdc);
2288     (*graphics)->owndc = FALSE;
2289     (*graphics)->smoothing = SmoothingModeDefault;
2290     (*graphics)->compqual = CompositingQualityDefault;
2291     (*graphics)->interpolation = InterpolationModeBilinear;
2292     (*graphics)->pixeloffset = PixelOffsetModeDefault;
2293     (*graphics)->compmode = CompositingModeSourceOver;
2294     (*graphics)->unit = UnitDisplay;
2295     (*graphics)->scale = 1.0;
2296     (*graphics)->xres = GetDeviceCaps(hdc, LOGPIXELSX);
2297     (*graphics)->yres = GetDeviceCaps(hdc, LOGPIXELSY);
2298     (*graphics)->busy = FALSE;
2299     (*graphics)->textcontrast = 4;
2300     list_init(&(*graphics)->containers);
2301     (*graphics)->contid = 0;
2302
2303     TRACE("<-- %p\n", *graphics);
2304
2305     return Ok;
2306 }
2307
2308 GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics)
2309 {
2310     GpStatus retval;
2311
2312     *graphics = GdipAlloc(sizeof(GpGraphics));
2313     if(!*graphics)  return OutOfMemory;
2314
2315     GdipSetMatrixElements(&(*graphics)->worldtrans, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
2316
2317     if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
2318         GdipFree(*graphics);
2319         return retval;
2320     }
2321
2322     (*graphics)->hdc = NULL;
2323     (*graphics)->hwnd = NULL;
2324     (*graphics)->owndc = FALSE;
2325     (*graphics)->image = image;
2326     (*graphics)->smoothing = SmoothingModeDefault;
2327     (*graphics)->compqual = CompositingQualityDefault;
2328     (*graphics)->interpolation = InterpolationModeBilinear;
2329     (*graphics)->pixeloffset = PixelOffsetModeDefault;
2330     (*graphics)->compmode = CompositingModeSourceOver;
2331     (*graphics)->unit = UnitDisplay;
2332     (*graphics)->scale = 1.0;
2333     (*graphics)->xres = image->xres;
2334     (*graphics)->yres = image->yres;
2335     (*graphics)->busy = FALSE;
2336     (*graphics)->textcontrast = 4;
2337     list_init(&(*graphics)->containers);
2338     (*graphics)->contid = 0;
2339
2340     TRACE("<-- %p\n", *graphics);
2341
2342     return Ok;
2343 }
2344
2345 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
2346 {
2347     GpStatus ret;
2348     HDC hdc;
2349
2350     TRACE("(%p, %p)\n", hwnd, graphics);
2351
2352     hdc = GetDC(hwnd);
2353
2354     if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
2355     {
2356         ReleaseDC(hwnd, hdc);
2357         return ret;
2358     }
2359
2360     (*graphics)->hwnd = hwnd;
2361     (*graphics)->owndc = TRUE;
2362
2363     return Ok;
2364 }
2365
2366 /* FIXME: no icm handling */
2367 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
2368 {
2369     TRACE("(%p, %p)\n", hwnd, graphics);
2370
2371     return GdipCreateFromHWND(hwnd, graphics);
2372 }
2373
2374 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
2375     GpMetafile **metafile)
2376 {
2377     ENHMETAHEADER header;
2378     MetafileType metafile_type;
2379
2380     TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
2381
2382     if(!hemf || !metafile)
2383         return InvalidParameter;
2384
2385     if (GetEnhMetaFileHeader(hemf, sizeof(header), &header) == 0)
2386         return GenericError;
2387
2388     metafile_type = METAFILE_GetEmfType(hemf);
2389
2390     if (metafile_type == MetafileTypeInvalid)
2391         return GenericError;
2392
2393     *metafile = GdipAlloc(sizeof(GpMetafile));
2394     if (!*metafile)
2395         return OutOfMemory;
2396
2397     (*metafile)->image.type = ImageTypeMetafile;
2398     (*metafile)->image.format = ImageFormatEMF;
2399     (*metafile)->image.frame_count = 1;
2400     (*metafile)->image.xres = (REAL)header.szlDevice.cx;
2401     (*metafile)->image.yres = (REAL)header.szlDevice.cy;
2402     (*metafile)->bounds.X = (REAL)header.rclBounds.left;
2403     (*metafile)->bounds.Y = (REAL)header.rclBounds.top;
2404     (*metafile)->bounds.Width = (REAL)(header.rclBounds.right - header.rclBounds.left);
2405     (*metafile)->bounds.Height = (REAL)(header.rclBounds.bottom - header.rclBounds.top);
2406     (*metafile)->unit = UnitPixel;
2407     (*metafile)->metafile_type = metafile_type;
2408     (*metafile)->hemf = hemf;
2409     (*metafile)->preserve_hemf = !delete;
2410
2411     TRACE("<-- %p\n", *metafile);
2412
2413     return Ok;
2414 }
2415
2416 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
2417     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
2418 {
2419     UINT read;
2420     BYTE *copy;
2421     HENHMETAFILE hemf;
2422     GpStatus retval = Ok;
2423
2424     TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
2425
2426     if(!hwmf || !metafile || !placeable)
2427         return InvalidParameter;
2428
2429     *metafile = NULL;
2430     read = GetMetaFileBitsEx(hwmf, 0, NULL);
2431     if(!read)
2432         return GenericError;
2433     copy = GdipAlloc(read);
2434     GetMetaFileBitsEx(hwmf, read, copy);
2435
2436     hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
2437     GdipFree(copy);
2438
2439     /* FIXME: We should store and use hwmf instead of converting to hemf */
2440     retval = GdipCreateMetafileFromEmf(hemf, TRUE, metafile);
2441
2442     if (retval == Ok)
2443     {
2444         (*metafile)->image.xres = (REAL)placeable->Inch;
2445         (*metafile)->image.yres = (REAL)placeable->Inch;
2446         (*metafile)->bounds.X = ((REAL)placeable->BoundingBox.Left) / ((REAL)placeable->Inch);
2447         (*metafile)->bounds.Y = ((REAL)placeable->BoundingBox.Top) / ((REAL)placeable->Inch);
2448         (*metafile)->bounds.Width = (REAL)(placeable->BoundingBox.Right -
2449                                            placeable->BoundingBox.Left);
2450         (*metafile)->bounds.Height = (REAL)(placeable->BoundingBox.Bottom -
2451                                             placeable->BoundingBox.Top);
2452         (*metafile)->metafile_type = MetafileTypeWmfPlaceable;
2453         (*metafile)->image.format = ImageFormatWMF;
2454
2455         if (delete) DeleteMetaFile(hwmf);
2456     }
2457     else
2458         DeleteEnhMetaFile(hemf);
2459     return retval;
2460 }
2461
2462 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
2463     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
2464 {
2465     HMETAFILE hmf = GetMetaFileW(file);
2466
2467     TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
2468
2469     if(!hmf) return InvalidParameter;
2470
2471     return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
2472 }
2473
2474 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
2475     GpMetafile **metafile)
2476 {
2477     FIXME("(%p, %p): stub\n", file, metafile);
2478     return NotImplemented;
2479 }
2480
2481 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
2482     GpMetafile **metafile)
2483 {
2484     FIXME("(%p, %p): stub\n", stream, metafile);
2485     return NotImplemented;
2486 }
2487
2488 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
2489     UINT access, IStream **stream)
2490 {
2491     DWORD dwMode;
2492     HRESULT ret;
2493
2494     TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
2495
2496     if(!stream || !filename)
2497         return InvalidParameter;
2498
2499     if(access & GENERIC_WRITE)
2500         dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
2501     else if(access & GENERIC_READ)
2502         dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
2503     else
2504         return InvalidParameter;
2505
2506     ret = SHCreateStreamOnFileW(filename, dwMode, stream);
2507
2508     return hresult_to_status(ret);
2509 }
2510
2511 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
2512 {
2513     GraphicsContainerItem *cont, *next;
2514     GpStatus stat;
2515     TRACE("(%p)\n", graphics);
2516
2517     if(!graphics) return InvalidParameter;
2518     if(graphics->busy) return ObjectBusy;
2519
2520     if (graphics->image && graphics->image->type == ImageTypeMetafile)
2521     {
2522         stat = METAFILE_GraphicsDeleted((GpMetafile*)graphics->image);
2523         if (stat != Ok)
2524             return stat;
2525     }
2526
2527     if(graphics->owndc)
2528         ReleaseDC(graphics->hwnd, graphics->hdc);
2529
2530     LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
2531         list_remove(&cont->entry);
2532         delete_container(cont);
2533     }
2534
2535     GdipDeleteRegion(graphics->clip);
2536     GdipFree(graphics);
2537
2538     return Ok;
2539 }
2540
2541 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
2542     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2543 {
2544     INT save_state, num_pts;
2545     GpPointF points[MAX_ARC_PTS];
2546     GpStatus retval;
2547
2548     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2549           width, height, startAngle, sweepAngle);
2550
2551     if(!graphics || !pen || width <= 0 || height <= 0)
2552         return InvalidParameter;
2553
2554     if(graphics->busy)
2555         return ObjectBusy;
2556
2557     if (!graphics->hdc)
2558     {
2559         FIXME("graphics object has no HDC\n");
2560         return Ok;
2561     }
2562
2563     num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
2564
2565     save_state = prepare_dc(graphics, pen);
2566
2567     retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
2568
2569     restore_dc(graphics, save_state);
2570
2571     return retval;
2572 }
2573
2574 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
2575     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2576 {
2577     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2578           width, height, startAngle, sweepAngle);
2579
2580     return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2581 }
2582
2583 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
2584     REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
2585 {
2586     INT save_state;
2587     GpPointF pt[4];
2588     GpStatus retval;
2589
2590     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
2591           x2, y2, x3, y3, x4, y4);
2592
2593     if(!graphics || !pen)
2594         return InvalidParameter;
2595
2596     if(graphics->busy)
2597         return ObjectBusy;
2598
2599     if (!graphics->hdc)
2600     {
2601         FIXME("graphics object has no HDC\n");
2602         return Ok;
2603     }
2604
2605     pt[0].X = x1;
2606     pt[0].Y = y1;
2607     pt[1].X = x2;
2608     pt[1].Y = y2;
2609     pt[2].X = x3;
2610     pt[2].Y = y3;
2611     pt[3].X = x4;
2612     pt[3].Y = y4;
2613
2614     save_state = prepare_dc(graphics, pen);
2615
2616     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2617
2618     restore_dc(graphics, save_state);
2619
2620     return retval;
2621 }
2622
2623 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
2624     INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
2625 {
2626     INT save_state;
2627     GpPointF pt[4];
2628     GpStatus retval;
2629
2630     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
2631           x2, y2, x3, y3, x4, y4);
2632
2633     if(!graphics || !pen)
2634         return InvalidParameter;
2635
2636     if(graphics->busy)
2637         return ObjectBusy;
2638
2639     if (!graphics->hdc)
2640     {
2641         FIXME("graphics object has no HDC\n");
2642         return Ok;
2643     }
2644
2645     pt[0].X = x1;
2646     pt[0].Y = y1;
2647     pt[1].X = x2;
2648     pt[1].Y = y2;
2649     pt[2].X = x3;
2650     pt[2].Y = y3;
2651     pt[3].X = x4;
2652     pt[3].Y = y4;
2653
2654     save_state = prepare_dc(graphics, pen);
2655
2656     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2657
2658     restore_dc(graphics, save_state);
2659
2660     return retval;
2661 }
2662
2663 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
2664     GDIPCONST GpPointF *points, INT count)
2665 {
2666     INT i;
2667     GpStatus ret;
2668
2669     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2670
2671     if(!graphics || !pen || !points || (count <= 0))
2672         return InvalidParameter;
2673
2674     if(graphics->busy)
2675         return ObjectBusy;
2676
2677     for(i = 0; i < floor(count / 4); i++){
2678         ret = GdipDrawBezier(graphics, pen,
2679                              points[4*i].X, points[4*i].Y,
2680                              points[4*i + 1].X, points[4*i + 1].Y,
2681                              points[4*i + 2].X, points[4*i + 2].Y,
2682                              points[4*i + 3].X, points[4*i + 3].Y);
2683         if(ret != Ok)
2684             return ret;
2685     }
2686
2687     return Ok;
2688 }
2689
2690 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
2691     GDIPCONST GpPoint *points, INT count)
2692 {
2693     GpPointF *pts;
2694     GpStatus ret;
2695     INT i;
2696
2697     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2698
2699     if(!graphics || !pen || !points || (count <= 0))
2700         return InvalidParameter;
2701
2702     if(graphics->busy)
2703         return ObjectBusy;
2704
2705     pts = GdipAlloc(sizeof(GpPointF) * count);
2706     if(!pts)
2707         return OutOfMemory;
2708
2709     for(i = 0; i < count; i++){
2710         pts[i].X = (REAL)points[i].X;
2711         pts[i].Y = (REAL)points[i].Y;
2712     }
2713
2714     ret = GdipDrawBeziers(graphics,pen,pts,count);
2715
2716     GdipFree(pts);
2717
2718     return ret;
2719 }
2720
2721 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
2722     GDIPCONST GpPointF *points, INT count)
2723 {
2724     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2725
2726     return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
2727 }
2728
2729 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
2730     GDIPCONST GpPoint *points, INT count)
2731 {
2732     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2733
2734     return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
2735 }
2736
2737 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
2738     GDIPCONST GpPointF *points, INT count, REAL tension)
2739 {
2740     GpPath *path;
2741     GpStatus stat;
2742
2743     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2744
2745     if(!graphics || !pen || !points || count <= 0)
2746         return InvalidParameter;
2747
2748     if(graphics->busy)
2749         return ObjectBusy;
2750
2751     if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
2752         return stat;
2753
2754     stat = GdipAddPathClosedCurve2(path, points, count, tension);
2755     if(stat != Ok){
2756         GdipDeletePath(path);
2757         return stat;
2758     }
2759
2760     stat = GdipDrawPath(graphics, pen, path);
2761
2762     GdipDeletePath(path);
2763
2764     return stat;
2765 }
2766
2767 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
2768     GDIPCONST GpPoint *points, INT count, REAL tension)
2769 {
2770     GpPointF *ptf;
2771     GpStatus stat;
2772     INT i;
2773
2774     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2775
2776     if(!points || count <= 0)
2777         return InvalidParameter;
2778
2779     ptf = GdipAlloc(sizeof(GpPointF)*count);
2780     if(!ptf)
2781         return OutOfMemory;
2782
2783     for(i = 0; i < count; i++){
2784         ptf[i].X = (REAL)points[i].X;
2785         ptf[i].Y = (REAL)points[i].Y;
2786     }
2787
2788     stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
2789
2790     GdipFree(ptf);
2791
2792     return stat;
2793 }
2794
2795 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
2796     GDIPCONST GpPointF *points, INT count)
2797 {
2798     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2799
2800     return GdipDrawCurve2(graphics,pen,points,count,1.0);
2801 }
2802
2803 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
2804     GDIPCONST GpPoint *points, INT count)
2805 {
2806     GpPointF *pointsF;
2807     GpStatus ret;
2808     INT i;
2809
2810     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2811
2812     if(!points)
2813         return InvalidParameter;
2814
2815     pointsF = GdipAlloc(sizeof(GpPointF)*count);
2816     if(!pointsF)
2817         return OutOfMemory;
2818
2819     for(i = 0; i < count; i++){
2820         pointsF[i].X = (REAL)points[i].X;
2821         pointsF[i].Y = (REAL)points[i].Y;
2822     }
2823
2824     ret = GdipDrawCurve(graphics,pen,pointsF,count);
2825     GdipFree(pointsF);
2826
2827     return ret;
2828 }
2829
2830 /* Approximates cardinal spline with Bezier curves. */
2831 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
2832     GDIPCONST GpPointF *points, INT count, REAL tension)
2833 {
2834     /* PolyBezier expects count*3-2 points. */
2835     INT i, len_pt = count*3-2, save_state;
2836     GpPointF *pt;
2837     REAL x1, x2, y1, y2;
2838     GpStatus retval;
2839
2840     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2841
2842     if(!graphics || !pen)
2843         return InvalidParameter;
2844
2845     if(graphics->busy)
2846         return ObjectBusy;
2847
2848     if(count < 2)
2849         return InvalidParameter;
2850
2851     if (!graphics->hdc)
2852     {
2853         FIXME("graphics object has no HDC\n");
2854         return Ok;
2855     }
2856
2857     pt = GdipAlloc(len_pt * sizeof(GpPointF));
2858     if(!pt)
2859         return OutOfMemory;
2860
2861     tension = tension * TENSION_CONST;
2862
2863     calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
2864         tension, &x1, &y1);
2865
2866     pt[0].X = points[0].X;
2867     pt[0].Y = points[0].Y;
2868     pt[1].X = x1;
2869     pt[1].Y = y1;
2870
2871     for(i = 0; i < count-2; i++){
2872         calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
2873
2874         pt[3*i+2].X = x1;
2875         pt[3*i+2].Y = y1;
2876         pt[3*i+3].X = points[i+1].X;
2877         pt[3*i+3].Y = points[i+1].Y;
2878         pt[3*i+4].X = x2;
2879         pt[3*i+4].Y = y2;
2880     }
2881
2882     calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
2883         points[count-2].X, points[count-2].Y, tension, &x1, &y1);
2884
2885     pt[len_pt-2].X = x1;
2886     pt[len_pt-2].Y = y1;
2887     pt[len_pt-1].X = points[count-1].X;
2888     pt[len_pt-1].Y = points[count-1].Y;
2889
2890     save_state = prepare_dc(graphics, pen);
2891
2892     retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
2893
2894     GdipFree(pt);
2895     restore_dc(graphics, save_state);
2896
2897     return retval;
2898 }
2899
2900 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
2901     GDIPCONST GpPoint *points, INT count, REAL tension)
2902 {
2903     GpPointF *pointsF;
2904     GpStatus ret;
2905     INT i;
2906
2907     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2908
2909     if(!points)
2910         return InvalidParameter;
2911
2912     pointsF = GdipAlloc(sizeof(GpPointF)*count);
2913     if(!pointsF)
2914         return OutOfMemory;
2915
2916     for(i = 0; i < count; i++){
2917         pointsF[i].X = (REAL)points[i].X;
2918         pointsF[i].Y = (REAL)points[i].Y;
2919     }
2920
2921     ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
2922     GdipFree(pointsF);
2923
2924     return ret;
2925 }
2926
2927 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
2928     GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
2929     REAL tension)
2930 {
2931     TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2932
2933     if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2934         return InvalidParameter;
2935     }
2936
2937     return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
2938 }
2939
2940 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
2941     GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
2942     REAL tension)
2943 {
2944     TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2945
2946     if(count < 0){
2947         return OutOfMemory;
2948     }
2949
2950     if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2951         return InvalidParameter;
2952     }
2953
2954     return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
2955 }
2956
2957 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
2958     REAL y, REAL width, REAL height)
2959 {
2960     INT save_state;
2961     GpPointF ptf[2];
2962     POINT pti[2];
2963
2964     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2965
2966     if(!graphics || !pen)
2967         return InvalidParameter;
2968
2969     if(graphics->busy)
2970         return ObjectBusy;
2971
2972     if (!graphics->hdc)
2973     {
2974         FIXME("graphics object has no HDC\n");
2975         return Ok;
2976     }
2977
2978     ptf[0].X = x;
2979     ptf[0].Y = y;
2980     ptf[1].X = x + width;
2981     ptf[1].Y = y + height;
2982
2983     save_state = prepare_dc(graphics, pen);
2984     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2985
2986     transform_and_round_points(graphics, pti, ptf, 2);
2987
2988     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2989
2990     restore_dc(graphics, save_state);
2991
2992     return Ok;
2993 }
2994
2995 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
2996     INT y, INT width, INT height)
2997 {
2998     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2999
3000     return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3001 }
3002
3003
3004 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
3005 {
3006     UINT width, height;
3007
3008     TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
3009
3010     if(!graphics || !image)
3011         return InvalidParameter;
3012
3013     GdipGetImageWidth(image, &width);
3014     GdipGetImageHeight(image, &height);
3015
3016     return GdipDrawImagePointRect(graphics, image, x, y,
3017                                   0.0, 0.0, (REAL)width, (REAL)height, UnitPixel);
3018 }
3019
3020 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
3021     INT y)
3022 {
3023     TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
3024
3025     return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
3026 }
3027
3028 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
3029     REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
3030     GpUnit srcUnit)
3031 {
3032     GpPointF points[3];
3033     REAL scale_x, scale_y, width, height;
3034
3035     TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
3036
3037     scale_x = units_scale(srcUnit, graphics->unit, graphics->xres);
3038     scale_x *= graphics->xres / image->xres;
3039     scale_y = units_scale(srcUnit, graphics->unit, graphics->yres);
3040     scale_y *= graphics->yres / image->yres;
3041     width = srcwidth * scale_x;
3042     height = srcheight * scale_y;
3043
3044     points[0].X = points[2].X = x;
3045     points[0].Y = points[1].Y = y;
3046     points[1].X = x + width;
3047     points[2].Y = y + height;
3048
3049     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3050         srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
3051 }
3052
3053 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
3054     INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
3055     GpUnit srcUnit)
3056 {
3057     return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
3058 }
3059
3060 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
3061     GDIPCONST GpPointF *dstpoints, INT count)
3062 {
3063     UINT width, height;
3064
3065     TRACE("(%p, %p, %p, %d)\n", graphics, image, dstpoints, count);
3066
3067     if(!image)
3068         return InvalidParameter;
3069
3070     GdipGetImageWidth(image, &width);
3071     GdipGetImageHeight(image, &height);
3072
3073     return GdipDrawImagePointsRect(graphics, image, dstpoints, count, 0, 0,
3074         width, height, UnitPixel, NULL, NULL, NULL);
3075 }
3076
3077 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
3078     GDIPCONST GpPoint *dstpoints, INT count)
3079 {
3080     GpPointF ptf[3];
3081
3082     TRACE("(%p, %p, %p, %d)\n", graphics, image, dstpoints, count);
3083
3084     if (count != 3 || !dstpoints)
3085         return InvalidParameter;
3086
3087     ptf[0].X = (REAL)dstpoints[0].X;
3088     ptf[0].Y = (REAL)dstpoints[0].Y;
3089     ptf[1].X = (REAL)dstpoints[1].X;
3090     ptf[1].Y = (REAL)dstpoints[1].Y;
3091     ptf[2].X = (REAL)dstpoints[2].X;
3092     ptf[2].Y = (REAL)dstpoints[2].Y;
3093
3094     return GdipDrawImagePoints(graphics, image, ptf, count);
3095 }
3096
3097 static BOOL CALLBACK play_metafile_proc(EmfPlusRecordType record_type, unsigned int flags,
3098     unsigned int dataSize, const unsigned char *pStr, void *userdata)
3099 {
3100     GdipPlayMetafileRecord(userdata, record_type, flags, dataSize, pStr);
3101     return TRUE;
3102 }
3103
3104 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
3105      GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
3106      REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
3107      DrawImageAbort callback, VOID * callbackData)
3108 {
3109     GpPointF ptf[4];
3110     POINT pti[4];
3111     GpStatus stat;
3112
3113     TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
3114           count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
3115           callbackData);
3116
3117     if (count > 3)
3118         return NotImplemented;
3119
3120     if(!graphics || !image || !points || count != 3)
3121          return InvalidParameter;
3122
3123     TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
3124         debugstr_pointf(&points[2]));
3125
3126     memcpy(ptf, points, 3 * sizeof(GpPointF));
3127     ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
3128     ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
3129     if (!srcwidth || !srcheight || ptf[3].X == ptf[0].X || ptf[3].Y == ptf[0].Y)
3130         return Ok;
3131     transform_and_round_points(graphics, pti, ptf, 4);
3132
3133     TRACE("%s %s %s %s\n", wine_dbgstr_point(&pti[0]), wine_dbgstr_point(&pti[1]),
3134         wine_dbgstr_point(&pti[2]), wine_dbgstr_point(&pti[3]));
3135
3136     srcx = units_to_pixels(srcx, srcUnit, image->xres);
3137     srcy = units_to_pixels(srcy, srcUnit, image->yres);
3138     srcwidth = units_to_pixels(srcwidth, srcUnit, image->xres);
3139     srcheight = units_to_pixels(srcheight, srcUnit, image->yres);
3140     TRACE("src pixels: %f,%f %fx%f\n", srcx, srcy, srcwidth, srcheight);
3141
3142     if (image->picture)
3143     {
3144         if (!graphics->hdc)
3145         {
3146             FIXME("graphics object has no HDC\n");
3147         }
3148
3149         if(IPicture_Render(image->picture, graphics->hdc,
3150             pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
3151             srcx, srcy, srcwidth, srcheight, NULL) != S_OK)
3152         {
3153             if(callback)
3154                 callback(callbackData);
3155             return GenericError;
3156         }
3157     }
3158     else if (image->type == ImageTypeBitmap)
3159     {
3160         GpBitmap* bitmap = (GpBitmap*)image;
3161         int use_software=0;
3162
3163         TRACE("graphics: %.2fx%.2f dpi, fmt %#x, scale %f, image: %.2fx%.2f dpi, fmt %#x, color %08x\n",
3164             graphics->xres, graphics->yres,
3165             graphics->image && graphics->image->type == ImageTypeBitmap ? ((GpBitmap *)graphics->image)->format : 0,
3166             graphics->scale, image->xres, image->yres, bitmap->format,
3167             imageAttributes ? imageAttributes->outside_color : 0);
3168
3169         if (imageAttributes || graphics->alpha_hdc ||
3170             (graphics->image && graphics->image->type == ImageTypeBitmap) ||
3171             ptf[1].Y != ptf[0].Y || ptf[2].X != ptf[0].X ||
3172             ptf[1].X - ptf[0].X != srcwidth || ptf[2].Y - ptf[0].Y != srcheight ||
3173             srcx < 0 || srcy < 0 ||
3174             srcx + srcwidth > bitmap->width || srcy + srcheight > bitmap->height)
3175             use_software = 1;
3176
3177         if (use_software)
3178         {
3179             RECT dst_area;
3180             GpRect src_area;
3181             int i, x, y, src_stride, dst_stride;
3182             GpMatrix dst_to_src;
3183             REAL m11, m12, m21, m22, mdx, mdy;
3184             LPBYTE src_data, dst_data;
3185             BitmapData lockeddata;
3186             InterpolationMode interpolation = graphics->interpolation;
3187             PixelOffsetMode offset_mode = graphics->pixeloffset;
3188             GpPointF dst_to_src_points[3] = {{0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}};
3189             REAL x_dx, x_dy, y_dx, y_dy;
3190             static const GpImageAttributes defaultImageAttributes = {WrapModeClamp, 0, FALSE};
3191
3192             if (!imageAttributes)
3193                 imageAttributes = &defaultImageAttributes;
3194
3195             dst_area.left = dst_area.right = pti[0].x;
3196             dst_area.top = dst_area.bottom = pti[0].y;
3197             for (i=1; i<4; i++)
3198             {
3199                 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
3200                 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
3201                 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
3202                 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
3203             }
3204
3205             TRACE("dst_area: %s\n", wine_dbgstr_rect(&dst_area));
3206
3207             m11 = (ptf[1].X - ptf[0].X) / srcwidth;
3208             m21 = (ptf[2].X - ptf[0].X) / srcheight;
3209             mdx = ptf[0].X - m11 * srcx - m21 * srcy;
3210             m12 = (ptf[1].Y - ptf[0].Y) / srcwidth;
3211             m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
3212             mdy = ptf[0].Y - m12 * srcx - m22 * srcy;
3213
3214             GdipSetMatrixElements(&dst_to_src, m11, m12, m21, m22, mdx, mdy);
3215
3216             stat = GdipInvertMatrix(&dst_to_src);
3217             if (stat != Ok) return stat;
3218
3219             dst_data = GdipAlloc(sizeof(ARGB) * (dst_area.right - dst_area.left) * (dst_area.bottom - dst_area.top));
3220             if (!dst_data) return OutOfMemory;
3221
3222             dst_stride = sizeof(ARGB) * (dst_area.right - dst_area.left);
3223
3224             get_bitmap_sample_size(interpolation, imageAttributes->wrap,
3225                 bitmap, srcx, srcy, srcwidth, srcheight, &src_area);
3226
3227             TRACE("src_area: %d x %d\n", src_area.Width, src_area.Height);
3228
3229             src_data = GdipAlloc(sizeof(ARGB) * src_area.Width * src_area.Height);
3230             if (!src_data)
3231             {
3232                 GdipFree(dst_data);
3233                 return OutOfMemory;
3234             }
3235             src_stride = sizeof(ARGB) * src_area.Width;
3236
3237             /* Read the bits we need from the source bitmap into an ARGB buffer. */
3238             lockeddata.Width = src_area.Width;
3239             lockeddata.Height = src_area.Height;
3240             lockeddata.Stride = src_stride;
3241             lockeddata.PixelFormat = PixelFormat32bppARGB;
3242             lockeddata.Scan0 = src_data;
3243
3244             stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
3245                 PixelFormat32bppARGB, &lockeddata);
3246
3247             if (stat == Ok)
3248                 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
3249
3250             if (stat != Ok)
3251             {
3252                 if (src_data != dst_data)
3253                     GdipFree(src_data);
3254                 GdipFree(dst_data);
3255                 return stat;
3256             }
3257
3258             apply_image_attributes(imageAttributes, src_data,
3259                 src_area.Width, src_area.Height,
3260                 src_stride, ColorAdjustTypeBitmap);
3261
3262             /* Transform the bits as needed to the destination. */
3263             GdipTransformMatrixPoints(&dst_to_src, dst_to_src_points, 3);
3264
3265             x_dx = dst_to_src_points[1].X - dst_to_src_points[0].X;
3266             x_dy = dst_to_src_points[1].Y - dst_to_src_points[0].Y;
3267             y_dx = dst_to_src_points[2].X - dst_to_src_points[0].X;
3268             y_dy = dst_to_src_points[2].Y - dst_to_src_points[0].Y;
3269
3270             for (x=dst_area.left; x<dst_area.right; x++)
3271             {
3272                 for (y=dst_area.top; y<dst_area.bottom; y++)
3273                 {
3274                     GpPointF src_pointf;
3275                     ARGB *dst_color;
3276
3277                     src_pointf.X = dst_to_src_points[0].X + x * x_dx + y * y_dx;
3278                     src_pointf.Y = dst_to_src_points[0].Y + x * x_dy + y * y_dy;
3279
3280                     dst_color = (ARGB*)(dst_data + dst_stride * (y - dst_area.top) + sizeof(ARGB) * (x - dst_area.left));
3281
3282                     if (src_pointf.X >= srcx && src_pointf.X < srcx + srcwidth && src_pointf.Y >= srcy && src_pointf.Y < srcy+srcheight)
3283                         *dst_color = resample_bitmap_pixel(&src_area, src_data, bitmap->width, bitmap->height, &src_pointf,
3284                                                            imageAttributes, interpolation, offset_mode);
3285                     else
3286                         *dst_color = 0;
3287                 }
3288             }
3289
3290             GdipFree(src_data);
3291
3292             stat = alpha_blend_pixels(graphics, dst_area.left, dst_area.top,
3293                 dst_data, dst_area.right - dst_area.left, dst_area.bottom - dst_area.top, dst_stride);
3294
3295             GdipFree(dst_data);
3296
3297             return stat;
3298         }
3299         else
3300         {
3301             HDC hdc;
3302             int temp_hdc=0, temp_bitmap=0;
3303             HBITMAP hbitmap, old_hbm=NULL;
3304
3305             if (!(bitmap->format == PixelFormat16bppRGB555 ||
3306                   bitmap->format == PixelFormat24bppRGB ||
3307                   bitmap->format == PixelFormat32bppRGB ||
3308                   bitmap->format == PixelFormat32bppPARGB))
3309             {
3310                 BITMAPINFOHEADER bih;
3311                 BYTE *temp_bits;
3312                 PixelFormat dst_format;
3313
3314                 /* we can't draw a bitmap of this format directly */
3315                 hdc = CreateCompatibleDC(0);
3316                 temp_hdc = 1;
3317                 temp_bitmap = 1;
3318
3319                 bih.biSize = sizeof(BITMAPINFOHEADER);
3320                 bih.biWidth = bitmap->width;
3321                 bih.biHeight = -bitmap->height;
3322                 bih.biPlanes = 1;
3323                 bih.biBitCount = 32;
3324                 bih.biCompression = BI_RGB;
3325                 bih.biSizeImage = 0;
3326                 bih.biXPelsPerMeter = 0;
3327                 bih.biYPelsPerMeter = 0;
3328                 bih.biClrUsed = 0;
3329                 bih.biClrImportant = 0;
3330
3331                 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
3332                     (void**)&temp_bits, NULL, 0);
3333
3334                 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
3335                     dst_format = PixelFormat32bppPARGB;
3336                 else
3337                     dst_format = PixelFormat32bppRGB;
3338
3339                 convert_pixels(bitmap->width, bitmap->height,
3340                     bitmap->width*4, temp_bits, dst_format,
3341                     bitmap->stride, bitmap->bits, bitmap->format,
3342                     bitmap->image.palette);
3343             }
3344             else
3345             {
3346                 if (bitmap->hbitmap)
3347                     hbitmap = bitmap->hbitmap;
3348                 else
3349                 {
3350                     GdipCreateHBITMAPFromBitmap(bitmap, &hbitmap, 0);
3351                     temp_bitmap = 1;
3352                 }
3353
3354                 hdc = bitmap->hdc;
3355                 temp_hdc = (hdc == 0);
3356             }
3357
3358             if (temp_hdc)
3359             {
3360                 if (!hdc) hdc = CreateCompatibleDC(0);
3361                 old_hbm = SelectObject(hdc, hbitmap);
3362             }
3363
3364             if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
3365             {
3366                 gdi_alpha_blend(graphics, pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
3367                                 hdc, srcx, srcy, srcwidth, srcheight);
3368             }
3369             else
3370             {
3371                 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
3372                     hdc, srcx, srcy, srcwidth, srcheight, SRCCOPY);
3373             }
3374
3375             if (temp_hdc)
3376             {
3377                 SelectObject(hdc, old_hbm);
3378                 DeleteDC(hdc);
3379             }
3380
3381             if (temp_bitmap)
3382                 DeleteObject(hbitmap);
3383         }
3384     }
3385     else if (image->type == ImageTypeMetafile && ((GpMetafile*)image)->hemf)
3386     {
3387         GpRectF rc;
3388
3389         rc.X = srcx;
3390         rc.Y = srcy;
3391         rc.Width = srcwidth;
3392         rc.Height = srcheight;
3393
3394         return GdipEnumerateMetafileSrcRectDestPoints(graphics, (GpMetafile*)image,
3395             points, count, &rc, srcUnit, play_metafile_proc, image, imageAttributes);
3396     }
3397     else
3398     {
3399         WARN("GpImage with nothing we can draw (metafile in wrong state?)\n");
3400         return InvalidParameter;
3401     }
3402
3403     return Ok;
3404 }
3405
3406 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
3407      GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
3408      INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
3409      DrawImageAbort callback, VOID * callbackData)
3410 {
3411     GpPointF pointsF[3];
3412     INT i;
3413
3414     TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
3415           srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
3416           callbackData);
3417
3418     if(!points || count!=3)
3419         return InvalidParameter;
3420
3421     for(i = 0; i < count; i++){
3422         pointsF[i].X = (REAL)points[i].X;
3423         pointsF[i].Y = (REAL)points[i].Y;
3424     }
3425
3426     return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
3427                                    (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
3428                                    callback, callbackData);
3429 }
3430
3431 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
3432     REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
3433     REAL srcwidth, REAL srcheight, GpUnit srcUnit,
3434     GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
3435     VOID * callbackData)
3436 {
3437     GpPointF points[3];
3438
3439     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
3440           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
3441           srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
3442
3443     points[0].X = dstx;
3444     points[0].Y = dsty;
3445     points[1].X = dstx + dstwidth;
3446     points[1].Y = dsty;
3447     points[2].X = dstx;
3448     points[2].Y = dsty + dstheight;
3449
3450     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3451                srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
3452 }
3453
3454 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
3455         INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
3456         INT srcwidth, INT srcheight, GpUnit srcUnit,
3457         GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
3458         VOID * callbackData)
3459 {
3460     GpPointF points[3];
3461
3462     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
3463           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
3464           srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
3465
3466     points[0].X = dstx;
3467     points[0].Y = dsty;
3468     points[1].X = dstx + dstwidth;
3469     points[1].Y = dsty;
3470     points[2].X = dstx;
3471     points[2].Y = dsty + dstheight;
3472
3473     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3474                srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
3475 }
3476
3477 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
3478     REAL x, REAL y, REAL width, REAL height)
3479 {
3480     RectF bounds;
3481     GpUnit unit;
3482     GpStatus ret;
3483
3484     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
3485
3486     if(!graphics || !image)
3487         return InvalidParameter;
3488
3489     ret = GdipGetImageBounds(image, &bounds, &unit);
3490     if(ret != Ok)
3491         return ret;
3492
3493     return GdipDrawImageRectRect(graphics, image, x, y, width, height,
3494                                  bounds.X, bounds.Y, bounds.Width, bounds.Height,
3495                                  unit, NULL, NULL, NULL);
3496 }
3497
3498 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
3499     INT x, INT y, INT width, INT height)
3500 {
3501     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
3502
3503     return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
3504 }
3505
3506 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
3507     REAL y1, REAL x2, REAL y2)
3508 {
3509     INT save_state;
3510     GpPointF pt[2];
3511     GpStatus retval;
3512
3513     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
3514
3515     if(!pen || !graphics)
3516         return InvalidParameter;
3517
3518     if(graphics->busy)
3519         return ObjectBusy;
3520
3521     if (!graphics->hdc)
3522     {
3523         FIXME("graphics object has no HDC\n");
3524         return Ok;
3525     }
3526
3527     pt[0].X = x1;
3528     pt[0].Y = y1;
3529     pt[1].X = x2;
3530     pt[1].Y = y2;
3531
3532     save_state = prepare_dc(graphics, pen);
3533
3534     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
3535
3536     restore_dc(graphics, save_state);
3537
3538     return retval;
3539 }
3540
3541 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
3542     INT y1, INT x2, INT y2)
3543 {
3544     INT save_state;
3545     GpPointF pt[2];
3546     GpStatus retval;
3547
3548     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
3549
3550     if(!pen || !graphics)
3551         return InvalidParameter;
3552
3553     if(graphics->busy)
3554         return ObjectBusy;
3555
3556     if (!graphics->hdc)
3557     {
3558         FIXME("graphics object has no HDC\n");
3559         return Ok;
3560     }
3561
3562     pt[0].X = (REAL)x1;
3563     pt[0].Y = (REAL)y1;
3564     pt[1].X = (REAL)x2;
3565     pt[1].Y = (REAL)y2;
3566
3567     save_state = prepare_dc(graphics, pen);
3568
3569     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
3570
3571     restore_dc(graphics, save_state);
3572
3573     return retval;
3574 }
3575
3576 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
3577     GpPointF *points, INT count)
3578 {
3579     INT save_state;
3580     GpStatus retval;
3581
3582     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3583
3584     if(!pen || !graphics || (count < 2))
3585         return InvalidParameter;
3586
3587     if(graphics->busy)
3588         return ObjectBusy;
3589
3590     if (!graphics->hdc)
3591     {
3592         FIXME("graphics object has no HDC\n");
3593         return Ok;
3594     }
3595
3596     save_state = prepare_dc(graphics, pen);
3597
3598     retval = draw_polyline(graphics, pen, points, count, TRUE);
3599
3600     restore_dc(graphics, save_state);
3601
3602     return retval;
3603 }
3604
3605 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
3606     GpPoint *points, INT count)
3607 {
3608     INT save_state;
3609     GpStatus retval;
3610     GpPointF *ptf = NULL;
3611     int i;
3612
3613     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3614
3615     if(!pen || !graphics || (count < 2))
3616         return InvalidParameter;
3617
3618     if(graphics->busy)
3619         return ObjectBusy;
3620
3621     if (!graphics->hdc)
3622     {
3623         FIXME("graphics object has no HDC\n");
3624         return Ok;
3625     }
3626
3627     ptf = GdipAlloc(count * sizeof(GpPointF));
3628     if(!ptf) return OutOfMemory;
3629
3630     for(i = 0; i < count; i ++){
3631         ptf[i].X = (REAL) points[i].X;
3632         ptf[i].Y = (REAL) points[i].Y;
3633     }
3634
3635     save_state = prepare_dc(graphics, pen);
3636
3637     retval = draw_polyline(graphics, pen, ptf, count, TRUE);
3638
3639     restore_dc(graphics, save_state);
3640
3641     GdipFree(ptf);
3642     return retval;
3643 }
3644
3645 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
3646 {
3647     INT save_state;
3648     GpStatus retval;
3649
3650     TRACE("(%p, %p, %p)\n", graphics, pen, path);
3651
3652     if(!pen || !graphics)
3653         return InvalidParameter;
3654
3655     if(graphics->busy)
3656         return ObjectBusy;
3657
3658     if (!graphics->hdc)
3659     {
3660         FIXME("graphics object has no HDC\n");
3661         return Ok;
3662     }
3663
3664     save_state = prepare_dc(graphics, pen);
3665
3666     retval = draw_poly(graphics, pen, path->pathdata.Points,
3667                        path->pathdata.Types, path->pathdata.Count, TRUE);
3668
3669     restore_dc(graphics, save_state);
3670
3671     return retval;
3672 }
3673
3674 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
3675     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3676 {
3677     INT save_state;
3678
3679     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
3680             width, height, startAngle, sweepAngle);
3681
3682     if(!graphics || !pen)
3683         return InvalidParameter;
3684
3685     if(graphics->busy)
3686         return ObjectBusy;
3687
3688     if (!graphics->hdc)
3689     {
3690         FIXME("graphics object has no HDC\n");
3691         return Ok;
3692     }
3693
3694     save_state = prepare_dc(graphics, pen);
3695     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3696
3697     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
3698
3699     restore_dc(graphics, save_state);
3700
3701     return Ok;
3702 }
3703
3704 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
3705     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3706 {
3707     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
3708             width, height, startAngle, sweepAngle);
3709
3710     return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3711 }
3712
3713 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
3714     REAL y, REAL width, REAL height)
3715 {
3716     INT save_state;
3717     GpPointF ptf[4];
3718     POINT pti[4];
3719
3720     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
3721
3722     if(!pen || !graphics)
3723         return InvalidParameter;
3724
3725     if(graphics->busy)
3726         return ObjectBusy;
3727
3728     if (!graphics->hdc)
3729     {
3730         FIXME("graphics object has no HDC\n");
3731         return Ok;
3732     }
3733
3734     ptf[0].X = x;
3735     ptf[0].Y = y;
3736     ptf[1].X = x + width;
3737     ptf[1].Y = y;
3738     ptf[2].X = x + width;
3739     ptf[2].Y = y + height;
3740     ptf[3].X = x;
3741     ptf[3].Y = y + height;
3742
3743     save_state = prepare_dc(graphics, pen);
3744     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3745
3746     transform_and_round_points(graphics, pti, ptf, 4);
3747     Polygon(graphics->hdc, pti, 4);
3748
3749     restore_dc(graphics, save_state);
3750
3751     return Ok;
3752 }
3753
3754 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
3755     INT y, INT width, INT height)
3756 {
3757     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
3758
3759     return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3760 }
3761
3762 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
3763     GDIPCONST GpRectF* rects, INT count)
3764 {
3765     GpPointF *ptf;
3766     POINT *pti;
3767     INT save_state, i;
3768
3769     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3770
3771     if(!graphics || !pen || !rects || count < 1)
3772         return InvalidParameter;
3773
3774     if(graphics->busy)
3775         return ObjectBusy;
3776
3777     if (!graphics->hdc)
3778     {
3779         FIXME("graphics object has no HDC\n");
3780         return Ok;
3781     }
3782
3783     ptf = GdipAlloc(4 * count * sizeof(GpPointF));
3784     pti = GdipAlloc(4 * count * sizeof(POINT));
3785
3786     if(!ptf || !pti){
3787         GdipFree(ptf);
3788         GdipFree(pti);
3789         return OutOfMemory;
3790     }
3791
3792     for(i = 0; i < count; i++){
3793         ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
3794         ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
3795         ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
3796         ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
3797     }
3798
3799     save_state = prepare_dc(graphics, pen);
3800     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3801
3802     transform_and_round_points(graphics, pti, ptf, 4 * count);
3803
3804     for(i = 0; i < count; i++)
3805         Polygon(graphics->hdc, &pti[4 * i], 4);
3806
3807     restore_dc(graphics, save_state);
3808
3809     GdipFree(ptf);
3810     GdipFree(pti);
3811
3812     return Ok;
3813 }
3814
3815 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
3816     GDIPCONST GpRect* rects, INT count)
3817 {
3818     GpRectF *rectsF;
3819     GpStatus ret;
3820     INT i;
3821
3822     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3823
3824     if(!rects || count<=0)
3825         return InvalidParameter;
3826
3827     rectsF = GdipAlloc(sizeof(GpRectF) * count);
3828     if(!rectsF)
3829         return OutOfMemory;
3830
3831     for(i = 0;i < count;i++){
3832         rectsF[i].X      = (REAL)rects[i].X;
3833         rectsF[i].Y      = (REAL)rects[i].Y;
3834         rectsF[i].Width  = (REAL)rects[i].Width;
3835         rectsF[i].Height = (REAL)rects[i].Height;
3836     }
3837
3838     ret = GdipDrawRectangles(graphics, pen, rectsF, count);
3839     GdipFree(rectsF);
3840
3841     return ret;
3842 }
3843
3844 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
3845     GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
3846 {
3847     GpPath *path;
3848     GpStatus stat;
3849
3850     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3851             count, tension, fill);
3852
3853     if(!graphics || !brush || !points)
3854         return InvalidParameter;
3855
3856     if(graphics->busy)
3857         return ObjectBusy;
3858
3859     if(count == 1)    /* Do nothing */
3860         return Ok;
3861
3862     stat = GdipCreatePath(fill, &path);
3863     if(stat != Ok)
3864         return stat;
3865
3866     stat = GdipAddPathClosedCurve2(path, points, count, tension);
3867     if(stat != Ok){
3868         GdipDeletePath(path);
3869         return stat;
3870     }
3871
3872     stat = GdipFillPath(graphics, brush, path);
3873     if(stat != Ok){
3874         GdipDeletePath(path);
3875         return stat;
3876     }
3877
3878     GdipDeletePath(path);
3879
3880     return Ok;
3881 }
3882
3883 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
3884     GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
3885 {
3886     GpPointF *ptf;
3887     GpStatus stat;
3888     INT i;
3889
3890     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3891             count, tension, fill);
3892
3893     if(!points || count == 0)
3894         return InvalidParameter;
3895
3896     if(count == 1)    /* Do nothing */
3897         return Ok;
3898
3899     ptf = GdipAlloc(sizeof(GpPointF)*count);
3900     if(!ptf)
3901         return OutOfMemory;
3902
3903     for(i = 0;i < count;i++){
3904         ptf[i].X = (REAL)points[i].X;
3905         ptf[i].Y = (REAL)points[i].Y;
3906     }
3907
3908     stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
3909
3910     GdipFree(ptf);
3911
3912     return stat;
3913 }
3914
3915 GpStatus WINGDIPAPI GdipFillClosedCurve(GpGraphics *graphics, GpBrush *brush,
3916     GDIPCONST GpPointF *points, INT count)
3917 {
3918     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3919     return GdipFillClosedCurve2(graphics, brush, points, count,
3920                0.5f, FillModeAlternate);
3921 }
3922
3923 GpStatus WINGDIPAPI GdipFillClosedCurveI(GpGraphics *graphics, GpBrush *brush,
3924     GDIPCONST GpPoint *points, INT count)
3925 {
3926     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3927     return GdipFillClosedCurve2I(graphics, brush, points, count,
3928                0.5f, FillModeAlternate);
3929 }
3930
3931 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
3932     REAL y, REAL width, REAL height)
3933 {
3934     GpStatus stat;
3935     GpPath *path;
3936
3937     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3938
3939     if(!graphics || !brush)
3940         return InvalidParameter;
3941
3942     if(graphics->busy)
3943         return ObjectBusy;
3944
3945     stat = GdipCreatePath(FillModeAlternate, &path);
3946
3947     if (stat == Ok)
3948     {
3949         stat = GdipAddPathEllipse(path, x, y, width, height);
3950
3951         if (stat == Ok)
3952             stat = GdipFillPath(graphics, brush, path);
3953
3954         GdipDeletePath(path);
3955     }
3956
3957     return stat;
3958 }
3959
3960 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
3961     INT y, INT width, INT height)
3962 {
3963     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3964
3965     return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3966 }
3967
3968 static GpStatus GDI32_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3969 {
3970     INT save_state;
3971     GpStatus retval;
3972
3973     if(!graphics->hdc || !brush_can_fill_path(brush))
3974         return NotImplemented;
3975
3976     save_state = SaveDC(graphics->hdc);
3977     EndPath(graphics->hdc);
3978     SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
3979                                                                     : WINDING));
3980
3981     BeginPath(graphics->hdc);
3982     retval = draw_poly(graphics, NULL, path->pathdata.Points,
3983                        path->pathdata.Types, path->pathdata.Count, FALSE);
3984
3985     if(retval != Ok)
3986         goto end;
3987
3988     EndPath(graphics->hdc);
3989     brush_fill_path(graphics, brush);
3990
3991     retval = Ok;
3992
3993 end:
3994     RestoreDC(graphics->hdc, save_state);
3995
3996     return retval;
3997 }
3998
3999 static GpStatus SOFTWARE_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
4000 {
4001     GpStatus stat;
4002     GpRegion *rgn;
4003
4004     if (!brush_can_fill_pixels(brush))
4005         return NotImplemented;
4006
4007     /* FIXME: This could probably be done more efficiently without regions. */
4008
4009     stat = GdipCreateRegionPath(path, &rgn);
4010
4011     if (stat == Ok)
4012     {
4013         stat = GdipFillRegion(graphics, brush, rgn);
4014
4015         GdipDeleteRegion(rgn);
4016     }
4017
4018     return stat;
4019 }
4020
4021 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
4022 {
4023     GpStatus stat = NotImplemented;
4024
4025     TRACE("(%p, %p, %p)\n", graphics, brush, path);
4026
4027     if(!brush || !graphics || !path)
4028         return InvalidParameter;
4029
4030     if(graphics->busy)
4031         return ObjectBusy;
4032
4033     if (!graphics->image && !graphics->alpha_hdc)
4034         stat = GDI32_GdipFillPath(graphics, brush, path);
4035
4036     if (stat == NotImplemented)
4037         stat = SOFTWARE_GdipFillPath(graphics, brush, path);
4038
4039     if (stat == NotImplemented)
4040     {
4041         FIXME("Not implemented for brushtype %i\n", brush->bt);
4042         stat = Ok;
4043     }
4044
4045     return stat;
4046 }
4047
4048 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
4049     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
4050 {
4051     GpStatus stat;
4052     GpPath *path;
4053
4054     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
4055             graphics, brush, x, y, width, height, startAngle, sweepAngle);
4056
4057     if(!graphics || !brush)
4058         return InvalidParameter;
4059
4060     if(graphics->busy)
4061         return ObjectBusy;
4062
4063     stat = GdipCreatePath(FillModeAlternate, &path);
4064
4065     if (stat == Ok)
4066     {
4067         stat = GdipAddPathPie(path, x, y, width, height, startAngle, sweepAngle);
4068
4069         if (stat == Ok)
4070             stat = GdipFillPath(graphics, brush, path);
4071
4072         GdipDeletePath(path);
4073     }
4074
4075     return stat;
4076 }
4077
4078 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
4079     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
4080 {
4081     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
4082             graphics, brush, x, y, width, height, startAngle, sweepAngle);
4083
4084     return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
4085 }
4086
4087 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
4088     GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
4089 {
4090     GpStatus stat;
4091     GpPath *path;
4092
4093     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
4094
4095     if(!graphics || !brush || !points || !count)
4096         return InvalidParameter;
4097
4098     if(graphics->busy)
4099         return ObjectBusy;
4100
4101     stat = GdipCreatePath(fillMode, &path);
4102
4103     if (stat == Ok)
4104     {
4105         stat = GdipAddPathPolygon(path, points, count);
4106
4107         if (stat == Ok)
4108             stat = GdipFillPath(graphics, brush, path);
4109
4110         GdipDeletePath(path);
4111     }
4112
4113     return stat;
4114 }
4115
4116 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
4117     GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
4118 {
4119     GpStatus stat;
4120     GpPath *path;
4121
4122     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
4123
4124     if(!graphics || !brush || !points || !count)
4125         return InvalidParameter;
4126
4127     if(graphics->busy)
4128         return ObjectBusy;
4129
4130     stat = GdipCreatePath(fillMode, &path);
4131
4132     if (stat == Ok)
4133     {
4134         stat = GdipAddPathPolygonI(path, points, count);
4135
4136         if (stat == Ok)
4137             stat = GdipFillPath(graphics, brush, path);
4138
4139         GdipDeletePath(path);
4140     }
4141
4142     return stat;
4143 }
4144
4145 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
4146     GDIPCONST GpPointF *points, INT count)
4147 {
4148     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
4149
4150     return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
4151 }
4152
4153 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
4154     GDIPCONST GpPoint *points, INT count)
4155 {
4156     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
4157
4158     return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
4159 }
4160
4161 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
4162     REAL x, REAL y, REAL width, REAL height)
4163 {
4164     GpStatus stat;
4165     GpPath *path;
4166
4167     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
4168
4169     if(!graphics || !brush)
4170         return InvalidParameter;
4171
4172     if(graphics->busy)
4173         return ObjectBusy;
4174
4175     stat = GdipCreatePath(FillModeAlternate, &path);
4176
4177     if (stat == Ok)
4178     {
4179         stat = GdipAddPathRectangle(path, x, y, width, height);
4180
4181         if (stat == Ok)
4182             stat = GdipFillPath(graphics, brush, path);
4183
4184         GdipDeletePath(path);
4185     }
4186
4187     return stat;
4188 }
4189
4190 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
4191     INT x, INT y, INT width, INT height)
4192 {
4193     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
4194
4195     return GdipFillRectangle(graphics, brush, x, y, width, height);
4196 }
4197
4198 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
4199     INT count)
4200 {
4201     GpStatus ret;
4202     INT i;
4203
4204     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
4205
4206     if(!rects)
4207         return InvalidParameter;
4208
4209     for(i = 0; i < count; i++){
4210         ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
4211         if(ret != Ok)   return ret;
4212     }
4213
4214     return Ok;
4215 }
4216
4217 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
4218     INT count)
4219 {
4220     GpRectF *rectsF;
4221     GpStatus ret;
4222     INT i;
4223
4224     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
4225
4226     if(!rects || count <= 0)
4227         return InvalidParameter;
4228
4229     rectsF = GdipAlloc(sizeof(GpRectF)*count);
4230     if(!rectsF)
4231         return OutOfMemory;
4232
4233     for(i = 0; i < count; i++){
4234         rectsF[i].X      = (REAL)rects[i].X;
4235         rectsF[i].Y      = (REAL)rects[i].Y;
4236         rectsF[i].X      = (REAL)rects[i].Width;
4237         rectsF[i].Height = (REAL)rects[i].Height;
4238     }
4239
4240     ret = GdipFillRectangles(graphics,brush,rectsF,count);
4241     GdipFree(rectsF);
4242
4243     return ret;
4244 }
4245
4246 static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
4247     GpRegion* region)
4248 {
4249     INT save_state;
4250     GpStatus status;
4251     HRGN hrgn;
4252     RECT rc;
4253
4254     if(!graphics->hdc || !brush_can_fill_path(brush))
4255         return NotImplemented;
4256
4257     status = GdipGetRegionHRgn(region, graphics, &hrgn);
4258     if(status != Ok)
4259         return status;
4260
4261     save_state = SaveDC(graphics->hdc);
4262     EndPath(graphics->hdc);
4263
4264     ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
4265
4266     if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
4267     {
4268         BeginPath(graphics->hdc);
4269         Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
4270         EndPath(graphics->hdc);
4271
4272         brush_fill_path(graphics, brush);
4273     }
4274
4275     RestoreDC(graphics->hdc, save_state);
4276
4277     DeleteObject(hrgn);
4278
4279     return Ok;
4280 }
4281
4282 static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
4283     GpRegion* region)
4284 {
4285     GpStatus stat;
4286     GpRegion *temp_region;
4287     GpMatrix world_to_device;
4288     GpRectF graphics_bounds;
4289     DWORD *pixel_data;
4290     HRGN hregion;
4291     RECT bound_rect;
4292     GpRect gp_bound_rect;
4293
4294     if (!brush_can_fill_pixels(brush))
4295         return NotImplemented;
4296
4297     stat = get_graphics_bounds(graphics, &graphics_bounds);
4298
4299     if (stat == Ok)
4300         stat = GdipCloneRegion(region, &temp_region);
4301
4302     if (stat == Ok)
4303     {
4304         stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
4305             CoordinateSpaceWorld, &world_to_device);
4306
4307         if (stat == Ok)
4308             stat = GdipTransformRegion(temp_region, &world_to_device);
4309
4310         if (stat == Ok)
4311             stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
4312
4313         if (stat == Ok)
4314             stat = GdipGetRegionHRgn(temp_region, NULL, &hregion);
4315
4316         GdipDeleteRegion(temp_region);
4317     }
4318
4319     if (stat == Ok && GetRgnBox(hregion, &bound_rect) == NULLREGION)
4320     {
4321         DeleteObject(hregion);
4322         return Ok;
4323     }
4324
4325     if (stat == Ok)
4326     {
4327         gp_bound_rect.X = bound_rect.left;
4328         gp_bound_rect.Y = bound_rect.top;
4329         gp_bound_rect.Width = bound_rect.right - bound_rect.left;
4330         gp_bound_rect.Height = bound_rect.bottom - bound_rect.top;
4331
4332         pixel_data = GdipAlloc(sizeof(*pixel_data) * gp_bound_rect.Width * gp_bound_rect.Height);
4333         if (!pixel_data)
4334             stat = OutOfMemory;
4335
4336         if (stat == Ok)
4337         {
4338             stat = brush_fill_pixels(graphics, brush, pixel_data,
4339                 &gp_bound_rect, gp_bound_rect.Width);
4340
4341             if (stat == Ok)
4342                 stat = alpha_blend_pixels_hrgn(graphics, gp_bound_rect.X,
4343                     gp_bound_rect.Y, (BYTE*)pixel_data, gp_bound_rect.Width,
4344                     gp_bound_rect.Height, gp_bound_rect.Width * 4, hregion);
4345
4346             GdipFree(pixel_data);
4347         }
4348
4349         DeleteObject(hregion);
4350     }
4351
4352     return stat;
4353 }
4354
4355 /*****************************************************************************
4356  * GdipFillRegion [GDIPLUS.@]
4357  */
4358 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
4359         GpRegion* region)
4360 {
4361     GpStatus stat = NotImplemented;
4362
4363     TRACE("(%p, %p, %p)\n", graphics, brush, region);
4364
4365     if (!(graphics && brush && region))
4366         return InvalidParameter;
4367
4368     if(graphics->busy)
4369         return ObjectBusy;
4370
4371     if (!graphics->image && !graphics->alpha_hdc)
4372         stat = GDI32_GdipFillRegion(graphics, brush, region);
4373
4374     if (stat == NotImplemented)
4375         stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
4376
4377     if (stat == NotImplemented)
4378     {
4379         FIXME("not implemented for brushtype %i\n", brush->bt);
4380         stat = Ok;
4381     }
4382
4383     return stat;
4384 }
4385
4386 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
4387 {
4388     TRACE("(%p,%u)\n", graphics, intention);
4389
4390     if(!graphics)
4391         return InvalidParameter;
4392
4393     if(graphics->busy)
4394         return ObjectBusy;
4395
4396     /* We have no internal operation queue, so there's no need to clear it. */
4397
4398     if (graphics->hdc)
4399         GdiFlush();
4400
4401     return Ok;
4402 }
4403
4404 /*****************************************************************************
4405  * GdipGetClipBounds [GDIPLUS.@]
4406  */
4407 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
4408 {
4409     TRACE("(%p, %p)\n", graphics, rect);
4410
4411     if(!graphics)
4412         return InvalidParameter;
4413
4414     if(graphics->busy)
4415         return ObjectBusy;
4416
4417     return GdipGetRegionBounds(graphics->clip, graphics, rect);
4418 }
4419
4420 /*****************************************************************************
4421  * GdipGetClipBoundsI [GDIPLUS.@]
4422  */
4423 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
4424 {
4425     TRACE("(%p, %p)\n", graphics, rect);
4426
4427     if(!graphics)
4428         return InvalidParameter;
4429
4430     if(graphics->busy)
4431         return ObjectBusy;
4432
4433     return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
4434 }
4435
4436 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
4437 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
4438     CompositingMode *mode)
4439 {
4440     TRACE("(%p, %p)\n", graphics, mode);
4441
4442     if(!graphics || !mode)
4443         return InvalidParameter;
4444
4445     if(graphics->busy)
4446         return ObjectBusy;
4447
4448     *mode = graphics->compmode;
4449
4450     return Ok;
4451 }
4452
4453 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
4454 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
4455     CompositingQuality *quality)
4456 {
4457     TRACE("(%p, %p)\n", graphics, quality);
4458
4459     if(!graphics || !quality)
4460         return InvalidParameter;
4461
4462     if(graphics->busy)
4463         return ObjectBusy;
4464
4465     *quality = graphics->compqual;
4466
4467     return Ok;
4468 }
4469
4470 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
4471 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
4472     InterpolationMode *mode)
4473 {
4474     TRACE("(%p, %p)\n", graphics, mode);
4475
4476     if(!graphics || !mode)
4477         return InvalidParameter;
4478
4479     if(graphics->busy)
4480         return ObjectBusy;
4481
4482     *mode = graphics->interpolation;
4483
4484     return Ok;
4485 }
4486
4487 /* FIXME: Need to handle color depths less than 24bpp */
4488 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
4489 {
4490     FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
4491
4492     if(!graphics || !argb)
4493         return InvalidParameter;
4494
4495     if(graphics->busy)
4496         return ObjectBusy;
4497
4498     return Ok;
4499 }
4500
4501 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
4502 {
4503     TRACE("(%p, %p)\n", graphics, scale);
4504
4505     if(!graphics || !scale)
4506         return InvalidParameter;
4507
4508     if(graphics->busy)
4509         return ObjectBusy;
4510
4511     *scale = graphics->scale;
4512
4513     return Ok;
4514 }
4515
4516 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
4517 {
4518     TRACE("(%p, %p)\n", graphics, unit);
4519
4520     if(!graphics || !unit)
4521         return InvalidParameter;
4522
4523     if(graphics->busy)
4524         return ObjectBusy;
4525
4526     *unit = graphics->unit;
4527
4528     return Ok;
4529 }
4530
4531 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
4532 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4533     *mode)
4534 {
4535     TRACE("(%p, %p)\n", graphics, mode);
4536
4537     if(!graphics || !mode)
4538         return InvalidParameter;
4539
4540     if(graphics->busy)
4541         return ObjectBusy;
4542
4543     *mode = graphics->pixeloffset;
4544
4545     return Ok;
4546 }
4547
4548 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
4549 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
4550 {
4551     TRACE("(%p, %p)\n", graphics, mode);
4552
4553     if(!graphics || !mode)
4554         return InvalidParameter;
4555
4556     if(graphics->busy)
4557         return ObjectBusy;
4558
4559     *mode = graphics->smoothing;
4560
4561     return Ok;
4562 }
4563
4564 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
4565 {
4566     TRACE("(%p, %p)\n", graphics, contrast);
4567
4568     if(!graphics || !contrast)
4569         return InvalidParameter;
4570
4571     *contrast = graphics->textcontrast;
4572
4573     return Ok;
4574 }
4575
4576 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
4577 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
4578     TextRenderingHint *hint)
4579 {
4580     TRACE("(%p, %p)\n", graphics, hint);
4581
4582     if(!graphics || !hint)
4583         return InvalidParameter;
4584
4585     if(graphics->busy)
4586         return ObjectBusy;
4587
4588     *hint = graphics->texthint;
4589
4590     return Ok;
4591 }
4592
4593 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
4594 {
4595     GpRegion *clip_rgn;
4596     GpStatus stat;
4597
4598     TRACE("(%p, %p)\n", graphics, rect);
4599
4600     if(!graphics || !rect)
4601         return InvalidParameter;
4602
4603     if(graphics->busy)
4604         return ObjectBusy;
4605
4606     /* intersect window and graphics clipping regions */
4607     if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
4608         return stat;
4609
4610     if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
4611         goto cleanup;
4612
4613     /* get bounds of the region */
4614     stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
4615
4616 cleanup:
4617     GdipDeleteRegion(clip_rgn);
4618
4619     return stat;
4620 }
4621
4622 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
4623 {
4624     GpRectF rectf;
4625     GpStatus stat;
4626
4627     TRACE("(%p, %p)\n", graphics, rect);
4628
4629     if(!graphics || !rect)
4630         return InvalidParameter;
4631
4632     if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
4633     {
4634         rect->X = gdip_round(rectf.X);
4635         rect->Y = gdip_round(rectf.Y);
4636         rect->Width  = gdip_round(rectf.Width);
4637         rect->Height = gdip_round(rectf.Height);
4638     }
4639
4640     return stat;
4641 }
4642
4643 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
4644 {
4645     TRACE("(%p, %p)\n", graphics, matrix);
4646
4647     if(!graphics || !matrix)
4648         return InvalidParameter;
4649
4650     if(graphics->busy)
4651         return ObjectBusy;
4652
4653     *matrix = graphics->worldtrans;
4654     return Ok;
4655 }
4656
4657 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
4658 {
4659     GpSolidFill *brush;
4660     GpStatus stat;
4661     GpRectF wnd_rect;
4662
4663     TRACE("(%p, %x)\n", graphics, color);
4664
4665     if(!graphics)
4666         return InvalidParameter;
4667
4668     if(graphics->busy)
4669         return ObjectBusy;
4670
4671     if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
4672         return stat;
4673
4674     if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
4675         GdipDeleteBrush((GpBrush*)brush);
4676         return stat;
4677     }
4678
4679     GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
4680                                                  wnd_rect.Width, wnd_rect.Height);
4681
4682     GdipDeleteBrush((GpBrush*)brush);
4683
4684     return Ok;
4685 }
4686
4687 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
4688 {
4689     TRACE("(%p, %p)\n", graphics, res);
4690
4691     if(!graphics || !res)
4692         return InvalidParameter;
4693
4694     return GdipIsEmptyRegion(graphics->clip, graphics, res);
4695 }
4696
4697 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
4698 {
4699     GpStatus stat;
4700     GpRegion* rgn;
4701     GpPointF pt;
4702
4703     TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
4704
4705     if(!graphics || !result)
4706         return InvalidParameter;
4707
4708     if(graphics->busy)
4709         return ObjectBusy;
4710
4711     pt.X = x;
4712     pt.Y = y;
4713     if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4714                    CoordinateSpaceWorld, &pt, 1)) != Ok)
4715         return stat;
4716
4717     if((stat = GdipCreateRegion(&rgn)) != Ok)
4718         return stat;
4719
4720     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4721         goto cleanup;
4722
4723     stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
4724
4725 cleanup:
4726     GdipDeleteRegion(rgn);
4727     return stat;
4728 }
4729
4730 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
4731 {
4732     return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
4733 }
4734
4735 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
4736 {
4737     GpStatus stat;
4738     GpRegion* rgn;
4739     GpPointF pts[2];
4740
4741     TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
4742
4743     if(!graphics || !result)
4744         return InvalidParameter;
4745
4746     if(graphics->busy)
4747         return ObjectBusy;
4748
4749     pts[0].X = x;
4750     pts[0].Y = y;
4751     pts[1].X = x + width;
4752     pts[1].Y = y + height;
4753
4754     if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4755                     CoordinateSpaceWorld, pts, 2)) != Ok)
4756         return stat;
4757
4758     pts[1].X -= pts[0].X;
4759     pts[1].Y -= pts[0].Y;
4760
4761     if((stat = GdipCreateRegion(&rgn)) != Ok)
4762         return stat;
4763
4764     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4765         goto cleanup;
4766
4767     stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
4768
4769 cleanup:
4770     GdipDeleteRegion(rgn);
4771     return stat;
4772 }
4773
4774 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4775 {
4776     return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
4777 }
4778
4779 GpStatus gdip_format_string(HDC hdc,
4780     GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4781     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4782     gdip_format_string_callback callback, void *user_data)
4783 {
4784     WCHAR* stringdup;
4785     int sum = 0, height = 0, fit, fitcpy, i, j, lret, nwidth,
4786         nheight, lineend, lineno = 0;
4787     RectF bounds;
4788     StringAlignment halign;
4789     GpStatus stat = Ok;
4790     SIZE size;
4791     HotkeyPrefix hkprefix;
4792     INT *hotkeyprefix_offsets=NULL;
4793     INT hotkeyprefix_count=0;
4794     INT hotkeyprefix_pos=0, hotkeyprefix_end_pos=0;
4795     int seen_prefix=0;
4796
4797     if(length == -1) length = lstrlenW(string);
4798
4799     stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
4800     if(!stringdup) return OutOfMemory;
4801
4802     nwidth = rect->Width;
4803     nheight = rect->Height;
4804
4805     if (format)
4806         hkprefix = format->hkprefix;
4807     else
4808         hkprefix = HotkeyPrefixNone;
4809
4810     if (hkprefix == HotkeyPrefixShow)
4811     {
4812         for (i=0; i<length; i++)
4813         {
4814             if (string[i] == '&')
4815                 hotkeyprefix_count++;
4816         }
4817     }
4818
4819     if (hotkeyprefix_count)
4820         hotkeyprefix_offsets = GdipAlloc(sizeof(INT) * hotkeyprefix_count);
4821
4822     hotkeyprefix_count = 0;
4823
4824     for(i = 0, j = 0; i < length; i++){
4825         /* FIXME: This makes the indexes passed to callback inaccurate. */
4826         if(!isprintW(string[i]) && (string[i] != '\n'))
4827             continue;
4828
4829         /* FIXME: tabs should be handled using tabstops from stringformat */
4830         if (string[i] == '\t')
4831             continue;
4832
4833         if (seen_prefix && hkprefix == HotkeyPrefixShow && string[i] != '&')
4834             hotkeyprefix_offsets[hotkeyprefix_count++] = j;
4835         else if (!seen_prefix && hkprefix != HotkeyPrefixNone && string[i] == '&')
4836         {
4837             seen_prefix = 1;
4838             continue;
4839         }
4840
4841         seen_prefix = 0;
4842
4843         stringdup[j] = string[i];
4844         j++;
4845     }
4846
4847     length = j;
4848
4849     if (format) halign = format->align;
4850     else halign = StringAlignmentNear;
4851
4852     while(sum < length){
4853         GetTextExtentExPointW(hdc, stringdup + sum, length - sum,
4854                               nwidth, &fit, NULL, &size);
4855         fitcpy = fit;
4856
4857         if(fit == 0)
4858             break;
4859
4860         for(lret = 0; lret < fit; lret++)
4861             if(*(stringdup + sum + lret) == '\n')
4862                 break;
4863
4864         /* Line break code (may look strange, but it imitates windows). */
4865         if(lret < fit)
4866             lineend = fit = lret;    /* this is not an off-by-one error */
4867         else if(fit < (length - sum)){
4868             if(*(stringdup + sum + fit) == ' ')
4869                 while(*(stringdup + sum + fit) == ' ')
4870                     fit++;
4871             else
4872                 while(*(stringdup + sum + fit - 1) != ' '){
4873                     fit--;
4874
4875                     if(*(stringdup + sum + fit) == '\t')
4876                         break;
4877
4878                     if(fit == 0){
4879                         fit = fitcpy;
4880                         break;
4881                     }
4882                 }
4883             lineend = fit;
4884             while(*(stringdup + sum + lineend - 1) == ' ' ||
4885                   *(stringdup + sum + lineend - 1) == '\t')
4886                 lineend--;
4887         }
4888         else
4889             lineend = fit;
4890
4891         GetTextExtentExPointW(hdc, stringdup + sum, lineend,
4892                               nwidth, &j, NULL, &size);
4893
4894         bounds.Width = size.cx;
4895
4896         if(height + size.cy > nheight)
4897             bounds.Height = nheight - (height + size.cy);
4898         else
4899             bounds.Height = size.cy;
4900
4901         bounds.Y = rect->Y + height;
4902
4903         switch (halign)
4904         {
4905         case StringAlignmentNear:
4906         default:
4907             bounds.X = rect->X;
4908             break;
4909         case StringAlignmentCenter:
4910             bounds.X = rect->X + (rect->Width/2) - (bounds.Width/2);
4911             break;
4912         case StringAlignmentFar:
4913             bounds.X = rect->X + rect->Width - bounds.Width;
4914             break;
4915         }
4916
4917         for (hotkeyprefix_end_pos=hotkeyprefix_pos; hotkeyprefix_end_pos<hotkeyprefix_count; hotkeyprefix_end_pos++)
4918             if (hotkeyprefix_offsets[hotkeyprefix_end_pos] >= sum + lineend)
4919                 break;
4920
4921         stat = callback(hdc, stringdup, sum, lineend,
4922             font, rect, format, lineno, &bounds,
4923             &hotkeyprefix_offsets[hotkeyprefix_pos],
4924             hotkeyprefix_end_pos-hotkeyprefix_pos, user_data);
4925
4926         if (stat != Ok)
4927             break;
4928
4929         sum += fit + (lret < fitcpy ? 1 : 0);
4930         height += size.cy;
4931         lineno++;
4932
4933         hotkeyprefix_pos = hotkeyprefix_end_pos;
4934
4935         if(height > nheight)
4936             break;
4937
4938         /* Stop if this was a linewrap (but not if it was a linebreak). */
4939         if ((lret == fitcpy) && format &&
4940             (format->attr & (StringFormatFlagsNoWrap | StringFormatFlagsLineLimit)))
4941             break;
4942     }
4943
4944     GdipFree(stringdup);
4945     GdipFree(hotkeyprefix_offsets);
4946
4947     return stat;
4948 }
4949
4950 struct measure_ranges_args {
4951     GpRegion **regions;
4952     REAL rel_width, rel_height;
4953 };
4954
4955 static GpStatus measure_ranges_callback(HDC hdc,
4956     GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4957     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4958     INT lineno, const RectF *bounds, INT *underlined_indexes,
4959     INT underlined_index_count, void *user_data)
4960 {
4961     int i;
4962     GpStatus stat = Ok;
4963     struct measure_ranges_args *args = user_data;
4964
4965     for (i=0; i<format->range_count; i++)
4966     {
4967         INT range_start = max(index, format->character_ranges[i].First);
4968         INT range_end = min(index+length, format->character_ranges[i].First+format->character_ranges[i].Length);
4969         if (range_start < range_end)
4970         {
4971             GpRectF range_rect;
4972             SIZE range_size;
4973
4974             range_rect.Y = bounds->Y / args->rel_height;
4975             range_rect.Height = bounds->Height / args->rel_height;
4976
4977             GetTextExtentExPointW(hdc, string + index, range_start - index,
4978                                   INT_MAX, NULL, NULL, &range_size);
4979             range_rect.X = (bounds->X + range_size.cx) / args->rel_width;
4980
4981             GetTextExtentExPointW(hdc, string + index, range_end - index,
4982                                   INT_MAX, NULL, NULL, &range_size);
4983             range_rect.Width = (bounds->X + range_size.cx) / args->rel_width - range_rect.X;
4984
4985             stat = GdipCombineRegionRect(args->regions[i], &range_rect, CombineModeUnion);
4986             if (stat != Ok)
4987                 break;
4988         }
4989     }
4990
4991     return stat;
4992 }
4993
4994 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
4995         GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
4996         GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
4997         INT regionCount, GpRegion** regions)
4998 {
4999     GpStatus stat;
5000     int i;
5001     HFONT gdifont, oldfont;
5002     struct measure_ranges_args args;
5003     HDC hdc, temp_hdc=NULL;
5004     GpPointF pt[3];
5005     RectF scaled_rect;
5006     REAL margin_x;
5007
5008     TRACE("(%p %s %d %p %s %p %d %p)\n", graphics, debugstr_w(string),
5009             length, font, debugstr_rectf(layoutRect), stringFormat, regionCount, regions);
5010
5011     if (!(graphics && string && font && layoutRect && stringFormat && regions))
5012         return InvalidParameter;
5013
5014     if (regionCount < stringFormat->range_count)
5015         return InvalidParameter;
5016
5017     if(!graphics->hdc)
5018     {
5019         hdc = temp_hdc = CreateCompatibleDC(0);
5020         if (!temp_hdc) return OutOfMemory;
5021     }
5022     else
5023         hdc = graphics->hdc;
5024
5025     if (stringFormat->attr)
5026         TRACE("may be ignoring some format flags: attr %x\n", stringFormat->attr);
5027
5028     pt[0].X = 0.0;
5029     pt[0].Y = 0.0;
5030     pt[1].X = 1.0;
5031     pt[1].Y = 0.0;
5032     pt[2].X = 0.0;
5033     pt[2].Y = 1.0;
5034     GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
5035     args.rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
5036                      (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
5037     args.rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
5038                       (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
5039
5040     margin_x = stringFormat->generic_typographic ? 0.0 : font->emSize / 6.0;
5041     margin_x *= units_scale(font->unit, graphics->unit, graphics->xres);
5042
5043     scaled_rect.X = (layoutRect->X + margin_x) * args.rel_width;
5044     scaled_rect.Y = layoutRect->Y * args.rel_height;
5045     if (stringFormat->attr & StringFormatFlagsNoClip)
5046     {
5047         scaled_rect.Width = (REAL)(1 << 23);
5048         scaled_rect.Height = (REAL)(1 << 23);
5049     }
5050     else
5051     {
5052         scaled_rect.Width = layoutRect->Width * args.rel_width;
5053         scaled_rect.Height = layoutRect->Height * args.rel_height;
5054     }
5055     if (scaled_rect.Width >= 0.5)
5056     {
5057         scaled_rect.Width -= margin_x * 2.0 * args.rel_width;
5058         if (scaled_rect.Width < 0.5) return Ok; /* doesn't fit */
5059     }
5060
5061     get_font_hfont(graphics, font, stringFormat, &gdifont, NULL);
5062     oldfont = SelectObject(hdc, gdifont);
5063
5064     for (i=0; i<stringFormat->range_count; i++)
5065     {
5066         stat = GdipSetEmpty(regions[i]);
5067         if (stat != Ok)
5068             return stat;
5069     }
5070
5071     args.regions = regions;
5072
5073     stat = gdip_format_string(hdc, string, length, font, &scaled_rect, stringFormat,
5074         measure_ranges_callback, &args);
5075
5076     SelectObject(hdc, oldfont);
5077     DeleteObject(gdifont);
5078
5079     if (temp_hdc)
5080         DeleteDC(temp_hdc);
5081
5082     return stat;
5083 }
5084
5085 struct measure_string_args {
5086     RectF *bounds;
5087     INT *codepointsfitted;
5088     INT *linesfilled;
5089     REAL rel_width, rel_height;
5090 };
5091
5092 static GpStatus measure_string_callback(HDC hdc,
5093     GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
5094     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
5095     INT lineno, const RectF *bounds, INT *underlined_indexes,
5096     INT underlined_index_count, void *user_data)
5097 {
5098     struct measure_string_args *args = user_data;
5099     REAL new_width, new_height;
5100
5101     new_width = bounds->Width / args->rel_width;
5102     new_height = (bounds->Height + bounds->Y) / args->rel_height - args->bounds->Y;
5103
5104     if (new_width > args->bounds->Width)
5105         args->bounds->Width = new_width;
5106
5107     if (new_height > args->bounds->Height)
5108         args->bounds->Height = new_height;
5109
5110     if (args->codepointsfitted)
5111         *args->codepointsfitted = index + length;
5112
5113     if (args->linesfilled)
5114         (*args->linesfilled)++;
5115
5116     return Ok;
5117 }
5118
5119 /* Find the smallest rectangle that bounds the text when it is printed in rect
5120  * according to the format options listed in format. If rect has 0 width and
5121  * height, then just find the smallest rectangle that bounds the text when it's
5122  * printed at location (rect->X, rect-Y). */
5123 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
5124     GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
5125     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
5126     INT *codepointsfitted, INT *linesfilled)
5127 {
5128     HFONT oldfont, gdifont;
5129     struct measure_string_args args;
5130     HDC temp_hdc=NULL, hdc;
5131     GpPointF pt[3];
5132     RectF scaled_rect;
5133     REAL margin_x;
5134     INT lines, glyphs, format_flags = format ? format->attr : 0;
5135
5136     TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
5137         debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
5138         bounds, codepointsfitted, linesfilled);
5139
5140     if(!graphics || !string || !font || !rect || !bounds)
5141         return InvalidParameter;
5142
5143     if(!graphics->hdc)
5144     {
5145         hdc = temp_hdc = CreateCompatibleDC(0);
5146         if (!temp_hdc) return OutOfMemory;
5147     }
5148     else
5149         hdc = graphics->hdc;
5150
5151     if(linesfilled) *linesfilled = 0;
5152     if(codepointsfitted) *codepointsfitted = 0;
5153
5154     if(format)
5155         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
5156
5157     pt[0].X = 0.0;
5158     pt[0].Y = 0.0;
5159     pt[1].X = 1.0;
5160     pt[1].Y = 0.0;
5161     pt[2].X = 0.0;
5162     pt[2].Y = 1.0;
5163     GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
5164     args.rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
5165                      (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
5166     args.rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
5167                       (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
5168
5169     margin_x = (format && format->generic_typographic) ? 0.0 : font->emSize / 6.0;
5170     margin_x *= units_scale(font->unit, graphics->unit, graphics->xres);
5171
5172     scaled_rect.X = (rect->X + margin_x) * args.rel_width;
5173     scaled_rect.Y = rect->Y * args.rel_height;
5174     scaled_rect.Width = rect->Width * args.rel_width;
5175     scaled_rect.Height = rect->Height * args.rel_height;
5176
5177     if ((format_flags & StringFormatFlagsNoClip) ||
5178         scaled_rect.Width >= 1 << 23 || scaled_rect.Width < 0.5) scaled_rect.Width = 1 << 23;
5179     if ((format_flags & StringFormatFlagsNoClip) ||
5180         scaled_rect.Height >= 1 << 23 || scaled_rect.Height < 0.5) scaled_rect.Height = 1 << 23;
5181
5182     if (scaled_rect.Width >= 0.5)
5183     {
5184         scaled_rect.Width -= margin_x * 2.0 * args.rel_width;
5185         if (scaled_rect.Width < 0.5) return Ok; /* doesn't fit */
5186     }
5187
5188     if (scaled_rect.Width >= 1 << 23 || scaled_rect.Width < 0.5) scaled_rect.Width = 1 << 23;
5189     if (scaled_rect.Height >= 1 << 23 || scaled_rect.Height < 0.5) scaled_rect.Height = 1 << 23;
5190
5191     get_font_hfont(graphics, font, format, &gdifont, NULL);
5192     oldfont = SelectObject(hdc, gdifont);
5193
5194     bounds->X = rect->X;
5195     bounds->Y = rect->Y;
5196     bounds->Width = 0.0;
5197     bounds->Height = 0.0;
5198
5199     args.bounds = bounds;
5200     args.codepointsfitted = &glyphs;
5201     args.linesfilled = &lines;
5202     lines = glyphs = 0;
5203
5204     gdip_format_string(hdc, string, length, font, &scaled_rect, format,
5205         measure_string_callback, &args);
5206
5207     if (linesfilled) *linesfilled = lines;
5208     if (codepointsfitted) *codepointsfitted = glyphs;
5209
5210     if (lines)
5211         bounds->Width += margin_x * 2.0;
5212
5213     SelectObject(hdc, oldfont);
5214     DeleteObject(gdifont);
5215
5216     if (temp_hdc)
5217         DeleteDC(temp_hdc);
5218
5219     return Ok;
5220 }
5221
5222 struct draw_string_args {
5223     GpGraphics *graphics;
5224     GDIPCONST GpBrush *brush;
5225     REAL x, y, rel_width, rel_height, ascent;
5226 };
5227
5228 static GpStatus draw_string_callback(HDC hdc,
5229     GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
5230     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
5231     INT lineno, const RectF *bounds, INT *underlined_indexes,
5232     INT underlined_index_count, void *user_data)
5233 {
5234     struct draw_string_args *args = user_data;
5235     PointF position;
5236     GpStatus stat;
5237
5238     position.X = args->x + bounds->X / args->rel_width;
5239     position.Y = args->y + bounds->Y / args->rel_height + args->ascent;
5240
5241     stat = draw_driver_string(args->graphics, &string[index], length, font, format,
5242         args->brush, &position,
5243         DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance, NULL);
5244
5245     if (stat == Ok && underlined_index_count)
5246     {
5247         OUTLINETEXTMETRICW otm;
5248         REAL underline_y, underline_height;
5249         int i;
5250
5251         GetOutlineTextMetricsW(hdc, sizeof(otm), &otm);
5252
5253         underline_height = otm.otmsUnderscoreSize / args->rel_height;
5254         underline_y = position.Y - otm.otmsUnderscorePosition / args->rel_height - underline_height / 2;
5255
5256         for (i=0; i<underlined_index_count; i++)
5257         {
5258             REAL start_x, end_x;
5259             SIZE text_size;
5260             INT ofs = underlined_indexes[i] - index;
5261
5262             GetTextExtentExPointW(hdc, string + index, ofs, INT_MAX, NULL, NULL, &text_size);
5263             start_x = text_size.cx / args->rel_width;
5264
5265             GetTextExtentExPointW(hdc, string + index, ofs+1, INT_MAX, NULL, NULL, &text_size);
5266             end_x = text_size.cx / args->rel_width;
5267
5268             GdipFillRectangle(args->graphics, (GpBrush*)args->brush, position.X+start_x, underline_y, end_x-start_x, underline_height);
5269         }
5270     }
5271
5272     return stat;
5273 }
5274
5275 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
5276     INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
5277     GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
5278 {
5279     HRGN rgn = NULL;
5280     HFONT gdifont;
5281     GpPointF pt[3], rectcpy[4];
5282     POINT corners[4];
5283     REAL rel_width, rel_height, margin_x;
5284     INT save_state, format_flags = 0;
5285     REAL offsety = 0.0;
5286     struct draw_string_args args;
5287     RectF scaled_rect;
5288     HDC hdc, temp_hdc=NULL;
5289     TEXTMETRICW textmetric;
5290
5291     TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
5292         length, font, debugstr_rectf(rect), format, brush);
5293
5294     if(!graphics || !string || !font || !brush || !rect)
5295         return InvalidParameter;
5296
5297     if(graphics->hdc)
5298     {
5299         hdc = graphics->hdc;
5300     }
5301     else
5302     {
5303         hdc = temp_hdc = CreateCompatibleDC(0);
5304     }
5305
5306     if(format){
5307         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
5308
5309         format_flags = format->attr;
5310
5311         /* Should be no need to explicitly test for StringAlignmentNear as
5312          * that is default behavior if no alignment is passed. */
5313         if(format->vertalign != StringAlignmentNear){
5314             RectF bounds, in_rect = *rect;
5315             in_rect.Height = 0.0; /* avoid height clipping */
5316             GdipMeasureString(graphics, string, length, font, &in_rect, format, &bounds, 0, 0);
5317
5318             TRACE("bounds %s\n", debugstr_rectf(&bounds));
5319
5320             if(format->vertalign == StringAlignmentCenter)
5321                 offsety = (rect->Height - bounds.Height) / 2;
5322             else if(format->vertalign == StringAlignmentFar)
5323                 offsety = (rect->Height - bounds.Height);
5324         }
5325         TRACE("vertical align %d, offsety %f\n", format->vertalign, offsety);
5326     }
5327
5328     save_state = SaveDC(hdc);
5329
5330     pt[0].X = 0.0;
5331     pt[0].Y = 0.0;
5332     pt[1].X = 1.0;
5333     pt[1].Y = 0.0;
5334     pt[2].X = 0.0;
5335     pt[2].Y = 1.0;
5336     GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
5337     rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
5338                      (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
5339     rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
5340                       (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
5341
5342     rectcpy[3].X = rectcpy[0].X = rect->X;
5343     rectcpy[1].Y = rectcpy[0].Y = rect->Y;
5344     rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
5345     rectcpy[3].Y = rectcpy[2].Y = rect->Y + rect->Height;
5346     transform_and_round_points(graphics, corners, rectcpy, 4);
5347
5348     margin_x = (format && format->generic_typographic) ? 0.0 : font->emSize / 6.0;
5349     margin_x *= units_scale(font->unit, graphics->unit, graphics->xres);
5350
5351     scaled_rect.X = margin_x * rel_width;
5352     scaled_rect.Y = 0.0;
5353     scaled_rect.Width = rel_width * rect->Width;
5354     scaled_rect.Height = rel_height * rect->Height;
5355
5356     if ((format_flags & StringFormatFlagsNoClip) ||
5357         scaled_rect.Width >= 1 << 23 || scaled_rect.Width < 0.5) scaled_rect.Width = 1 << 23;
5358     if ((format_flags & StringFormatFlagsNoClip) ||
5359         scaled_rect.Height >= 1 << 23 || scaled_rect.Height < 0.5) scaled_rect.Height = 1 << 23;
5360
5361     if (scaled_rect.Width >= 0.5)
5362     {
5363         scaled_rect.Width -= margin_x * 2.0 * rel_width;
5364         if (scaled_rect.Width < 0.5) return Ok; /* doesn't fit */
5365     }
5366
5367     if (scaled_rect.Width >= 1 << 23 || scaled_rect.Width < 0.5) scaled_rect.Width = 1 << 23;
5368     if (scaled_rect.Height >= 1 << 23 || scaled_rect.Height < 0.5) scaled_rect.Height = 1 << 23;
5369
5370     if (!(format_flags & StringFormatFlagsNoClip) &&
5371         scaled_rect.Width != 1 << 23 && scaled_rect.Height != 1 << 23)
5372     {
5373         /* FIXME: If only the width or only the height is 0, we should probably still clip */
5374         rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
5375         SelectClipRgn(hdc, rgn);
5376     }
5377
5378     get_font_hfont(graphics, font, format, &gdifont, NULL);
5379     SelectObject(hdc, gdifont);
5380
5381     args.graphics = graphics;
5382     args.brush = brush;
5383
5384     args.x = rect->X;
5385     args.y = rect->Y + offsety;
5386
5387     args.rel_width = rel_width;
5388     args.rel_height = rel_height;
5389
5390     GetTextMetricsW(hdc, &textmetric);
5391     args.ascent = textmetric.tmAscent / rel_height;
5392
5393     gdip_format_string(hdc, string, length, font, &scaled_rect, format,
5394         draw_string_callback, &args);
5395
5396     DeleteObject(rgn);
5397     DeleteObject(gdifont);
5398
5399     RestoreDC(hdc, save_state);
5400
5401     DeleteDC(temp_hdc);
5402
5403     return Ok;
5404 }
5405
5406 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
5407 {
5408     TRACE("(%p)\n", graphics);
5409
5410     if(!graphics)
5411         return InvalidParameter;
5412
5413     if(graphics->busy)
5414         return ObjectBusy;
5415
5416     return GdipSetInfinite(graphics->clip);
5417 }
5418
5419 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
5420 {
5421     TRACE("(%p)\n", graphics);
5422
5423     if(!graphics)
5424         return InvalidParameter;
5425
5426     if(graphics->busy)
5427         return ObjectBusy;
5428
5429     return GdipSetMatrixElements(&graphics->worldtrans, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
5430 }
5431
5432 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
5433 {
5434     return GdipEndContainer(graphics, state);
5435 }
5436
5437 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
5438     GpMatrixOrder order)
5439 {
5440     TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
5441
5442     if(!graphics)
5443         return InvalidParameter;
5444
5445     if(graphics->busy)
5446         return ObjectBusy;
5447
5448     return GdipRotateMatrix(&graphics->worldtrans, angle, order);
5449 }
5450
5451 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
5452 {
5453     return GdipBeginContainer2(graphics, state);
5454 }
5455
5456 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
5457         GraphicsContainer *state)
5458 {
5459     GraphicsContainerItem *container;
5460     GpStatus sts;
5461
5462     TRACE("(%p, %p)\n", graphics, state);
5463
5464     if(!graphics || !state)
5465         return InvalidParameter;
5466
5467     sts = init_container(&container, graphics);
5468     if(sts != Ok)
5469         return sts;
5470
5471     list_add_head(&graphics->containers, &container->entry);
5472     *state = graphics->contid = container->contid;
5473
5474     return Ok;
5475 }
5476
5477 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
5478 {
5479     FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
5480     return NotImplemented;
5481 }
5482
5483 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
5484 {
5485     FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
5486     return NotImplemented;
5487 }
5488
5489 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
5490 {
5491     FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
5492     return NotImplemented;
5493 }
5494
5495 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
5496 {
5497     GpStatus sts;
5498     GraphicsContainerItem *container, *container2;
5499
5500     TRACE("(%p, %x)\n", graphics, state);
5501
5502     if(!graphics)
5503         return InvalidParameter;
5504
5505     LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
5506         if(container->contid == state)
5507             break;
5508     }
5509
5510     /* did not find a matching container */
5511     if(&container->entry == &graphics->containers)
5512         return Ok;
5513
5514     sts = restore_container(graphics, container);
5515     if(sts != Ok)
5516         return sts;
5517
5518     /* remove all of the containers on top of the found container */
5519     LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
5520         if(container->contid == state)
5521             break;
5522         list_remove(&container->entry);
5523         delete_container(container);
5524     }
5525
5526     list_remove(&container->entry);
5527     delete_container(container);
5528
5529     return Ok;
5530 }
5531
5532 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
5533     REAL sy, GpMatrixOrder order)
5534 {
5535     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
5536
5537     if(!graphics)
5538         return InvalidParameter;
5539
5540     if(graphics->busy)
5541         return ObjectBusy;
5542
5543     return GdipScaleMatrix(&graphics->worldtrans, sx, sy, order);
5544 }
5545
5546 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
5547     CombineMode mode)
5548 {
5549     TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
5550
5551     if(!graphics || !srcgraphics)
5552         return InvalidParameter;
5553
5554     return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
5555 }
5556
5557 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
5558     CompositingMode mode)
5559 {
5560     TRACE("(%p, %d)\n", graphics, mode);
5561
5562     if(!graphics)
5563         return InvalidParameter;
5564
5565     if(graphics->busy)
5566         return ObjectBusy;
5567
5568     graphics->compmode = mode;
5569
5570     return Ok;
5571 }
5572
5573 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
5574     CompositingQuality quality)
5575 {
5576     TRACE("(%p, %d)\n", graphics, quality);
5577
5578     if(!graphics)
5579         return InvalidParameter;
5580
5581     if(graphics->busy)
5582         return ObjectBusy;
5583
5584     graphics->compqual = quality;
5585
5586     return Ok;
5587 }
5588
5589 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
5590     InterpolationMode mode)
5591 {
5592     TRACE("(%p, %d)\n", graphics, mode);
5593
5594     if(!graphics || mode == InterpolationModeInvalid || mode > InterpolationModeHighQualityBicubic)
5595         return InvalidParameter;
5596
5597     if(graphics->busy)
5598         return ObjectBusy;
5599
5600     if (mode == InterpolationModeDefault || mode == InterpolationModeLowQuality)
5601         mode = InterpolationModeBilinear;
5602
5603     if (mode == InterpolationModeHighQuality)
5604         mode = InterpolationModeHighQualityBicubic;
5605
5606     graphics->interpolation = mode;
5607
5608     return Ok;
5609 }
5610
5611 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
5612 {
5613     TRACE("(%p, %.2f)\n", graphics, scale);
5614
5615     if(!graphics || (scale <= 0.0))
5616         return InvalidParameter;
5617
5618     if(graphics->busy)
5619         return ObjectBusy;
5620
5621     graphics->scale = scale;
5622
5623     return Ok;
5624 }
5625
5626 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
5627 {
5628     TRACE("(%p, %d)\n", graphics, unit);
5629
5630     if(!graphics)
5631         return InvalidParameter;
5632
5633     if(graphics->busy)
5634         return ObjectBusy;
5635
5636     if(unit == UnitWorld)
5637         return InvalidParameter;
5638
5639     graphics->unit = unit;
5640
5641     return Ok;
5642 }
5643
5644 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
5645     mode)
5646 {
5647     TRACE("(%p, %d)\n", graphics, mode);
5648
5649     if(!graphics)
5650         return InvalidParameter;
5651
5652     if(graphics->busy)
5653         return ObjectBusy;
5654
5655     graphics->pixeloffset = mode;
5656
5657     return Ok;
5658 }
5659
5660 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
5661 {
5662     static int calls;
5663
5664     TRACE("(%p,%i,%i)\n", graphics, x, y);
5665
5666     if (!(calls++))
5667         FIXME("value is unused in rendering\n");
5668
5669     if (!graphics)
5670         return InvalidParameter;
5671
5672     graphics->origin_x = x;
5673     graphics->origin_y = y;
5674
5675     return Ok;
5676 }
5677
5678 GpStatus WINGDIPAPI GdipGetRenderingOrigin(GpGraphics *graphics, INT *x, INT *y)
5679 {
5680     TRACE("(%p,%p,%p)\n", graphics, x, y);
5681
5682     if (!graphics || !x || !y)
5683         return InvalidParameter;
5684
5685     *x = graphics->origin_x;
5686     *y = graphics->origin_y;
5687
5688     return Ok;
5689 }
5690
5691 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
5692 {
5693     TRACE("(%p, %d)\n", graphics, mode);
5694
5695     if(!graphics)
5696         return InvalidParameter;
5697
5698     if(graphics->busy)
5699         return ObjectBusy;
5700
5701     graphics->smoothing = mode;
5702
5703     return Ok;
5704 }
5705
5706 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
5707 {
5708     TRACE("(%p, %d)\n", graphics, contrast);
5709
5710     if(!graphics)
5711         return InvalidParameter;
5712
5713     graphics->textcontrast = contrast;
5714
5715     return Ok;
5716 }
5717
5718 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
5719     TextRenderingHint hint)
5720 {
5721     TRACE("(%p, %d)\n", graphics, hint);
5722
5723     if(!graphics || hint > TextRenderingHintClearTypeGridFit)
5724         return InvalidParameter;
5725
5726     if(graphics->busy)
5727         return ObjectBusy;
5728
5729     graphics->texthint = hint;
5730
5731     return Ok;
5732 }
5733
5734 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
5735 {
5736     TRACE("(%p, %p)\n", graphics, matrix);
5737
5738     if(!graphics || !matrix)
5739         return InvalidParameter;
5740
5741     if(graphics->busy)
5742         return ObjectBusy;
5743
5744     TRACE("%f,%f,%f,%f,%f,%f\n",
5745           matrix->matrix[0], matrix->matrix[1], matrix->matrix[2],
5746           matrix->matrix[3], matrix->matrix[4], matrix->matrix[5]);
5747
5748     graphics->worldtrans = *matrix;
5749
5750     return Ok;
5751 }
5752
5753 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
5754     REAL dy, GpMatrixOrder order)
5755 {
5756     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
5757
5758     if(!graphics)
5759         return InvalidParameter;
5760
5761     if(graphics->busy)
5762         return ObjectBusy;
5763
5764     return GdipTranslateMatrix(&graphics->worldtrans, dx, dy, order);
5765 }
5766
5767 /*****************************************************************************
5768  * GdipSetClipHrgn [GDIPLUS.@]
5769  */
5770 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
5771 {
5772     GpRegion *region;
5773     GpStatus status;
5774
5775     TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
5776
5777     if(!graphics)
5778         return InvalidParameter;
5779
5780     status = GdipCreateRegionHrgn(hrgn, &region);
5781     if(status != Ok)
5782         return status;
5783
5784     status = GdipSetClipRegion(graphics, region, mode);
5785
5786     GdipDeleteRegion(region);
5787     return status;
5788 }
5789
5790 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
5791 {
5792     TRACE("(%p, %p, %d)\n", graphics, path, mode);
5793
5794     if(!graphics)
5795         return InvalidParameter;
5796
5797     if(graphics->busy)
5798         return ObjectBusy;
5799
5800     return GdipCombineRegionPath(graphics->clip, path, mode);
5801 }
5802
5803 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
5804                                     REAL width, REAL height,
5805                                     CombineMode mode)
5806 {
5807     GpRectF rect;
5808
5809     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
5810
5811     if(!graphics)
5812         return InvalidParameter;
5813
5814     if(graphics->busy)
5815         return ObjectBusy;
5816
5817     rect.X = x;
5818     rect.Y = y;
5819     rect.Width  = width;
5820     rect.Height = height;
5821
5822     return GdipCombineRegionRect(graphics->clip, &rect, mode);
5823 }
5824
5825 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
5826                                      INT width, INT height,
5827                                      CombineMode mode)
5828 {
5829     TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
5830
5831     if(!graphics)
5832         return InvalidParameter;
5833
5834     if(graphics->busy)
5835         return ObjectBusy;
5836
5837     return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
5838 }
5839
5840 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
5841                                       CombineMode mode)
5842 {
5843     TRACE("(%p, %p, %d)\n", graphics, region, mode);
5844
5845     if(!graphics || !region)
5846         return InvalidParameter;
5847
5848     if(graphics->busy)
5849         return ObjectBusy;
5850
5851     return GdipCombineRegionRegion(graphics->clip, region, mode);
5852 }
5853
5854 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
5855     UINT limitDpi)
5856 {
5857     static int calls;
5858
5859     TRACE("(%p,%u)\n", metafile, limitDpi);
5860
5861     if(!(calls++))
5862         FIXME("not implemented\n");
5863
5864     return NotImplemented;
5865 }
5866
5867 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
5868     INT count)
5869 {
5870     INT save_state;
5871     POINT *pti;
5872
5873     TRACE("(%p, %p, %d)\n", graphics, points, count);
5874
5875     if(!graphics || !pen || count<=0)
5876         return InvalidParameter;
5877
5878     if(graphics->busy)
5879         return ObjectBusy;
5880
5881     if (!graphics->hdc)
5882     {
5883         FIXME("graphics object has no HDC\n");
5884         return Ok;
5885     }
5886
5887     pti = GdipAlloc(sizeof(POINT) * count);
5888
5889     save_state = prepare_dc(graphics, pen);
5890     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
5891
5892     transform_and_round_points(graphics, pti, (GpPointF*)points, count);
5893     Polygon(graphics->hdc, pti, count);
5894
5895     restore_dc(graphics, save_state);
5896     GdipFree(pti);
5897
5898     return Ok;
5899 }
5900
5901 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
5902     INT count)
5903 {
5904     GpStatus ret;
5905     GpPointF *ptf;
5906     INT i;
5907
5908     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
5909
5910     if(count<=0)    return InvalidParameter;
5911     ptf = GdipAlloc(sizeof(GpPointF) * count);
5912
5913     for(i = 0;i < count; i++){
5914         ptf[i].X = (REAL)points[i].X;
5915         ptf[i].Y = (REAL)points[i].Y;
5916     }
5917
5918     ret = GdipDrawPolygon(graphics,pen,ptf,count);
5919     GdipFree(ptf);
5920
5921     return ret;
5922 }
5923
5924 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
5925 {
5926     TRACE("(%p, %p)\n", graphics, dpi);
5927
5928     if(!graphics || !dpi)
5929         return InvalidParameter;
5930
5931     if(graphics->busy)
5932         return ObjectBusy;
5933
5934     *dpi = graphics->xres;
5935     return Ok;
5936 }
5937
5938 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
5939 {
5940     TRACE("(%p, %p)\n", graphics, dpi);
5941
5942     if(!graphics || !dpi)
5943         return InvalidParameter;
5944
5945     if(graphics->busy)
5946         return ObjectBusy;
5947
5948     *dpi = graphics->yres;
5949     return Ok;
5950 }
5951
5952 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
5953     GpMatrixOrder order)
5954 {
5955     GpMatrix m;
5956     GpStatus ret;
5957
5958     TRACE("(%p, %p, %d)\n", graphics, matrix, order);
5959
5960     if(!graphics || !matrix)
5961         return InvalidParameter;
5962
5963     if(graphics->busy)
5964         return ObjectBusy;
5965
5966     m = graphics->worldtrans;
5967
5968     ret = GdipMultiplyMatrix(&m, matrix, order);
5969     if(ret == Ok)
5970         graphics->worldtrans = m;
5971
5972     return ret;
5973 }
5974
5975 /* Color used to fill bitmaps so we can tell which parts have been drawn over by gdi32. */
5976 static const COLORREF DC_BACKGROUND_KEY = 0x0c0b0d;
5977
5978 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
5979 {
5980     GpStatus stat=Ok;
5981
5982     TRACE("(%p, %p)\n", graphics, hdc);
5983
5984     if(!graphics || !hdc)
5985         return InvalidParameter;
5986
5987     if(graphics->busy)
5988         return ObjectBusy;
5989
5990     if (graphics->image && graphics->image->type == ImageTypeMetafile)
5991     {
5992         stat = METAFILE_GetDC((GpMetafile*)graphics->image, hdc);
5993     }
5994     else if (!graphics->hdc || graphics->alpha_hdc ||
5995         (graphics->image && graphics->image->type == ImageTypeBitmap && ((GpBitmap*)graphics->image)->format & PixelFormatAlpha))
5996     {
5997         /* Create a fake HDC and fill it with a constant color. */
5998         HDC temp_hdc;
5999         HBITMAP hbitmap;
6000         GpRectF bounds;
6001         BITMAPINFOHEADER bmih;
6002         int i;
6003
6004         stat = get_graphics_bounds(graphics, &bounds);
6005         if (stat != Ok)
6006             return stat;
6007
6008         graphics->temp_hbitmap_width = bounds.Width;
6009         graphics->temp_hbitmap_height = bounds.Height;
6010
6011         bmih.biSize = sizeof(bmih);
6012         bmih.biWidth = graphics->temp_hbitmap_width;
6013         bmih.biHeight = -graphics->temp_hbitmap_height;
6014         bmih.biPlanes = 1;
6015         bmih.biBitCount = 32;
6016         bmih.biCompression = BI_RGB;
6017         bmih.biSizeImage = 0;
6018         bmih.biXPelsPerMeter = 0;
6019         bmih.biYPelsPerMeter = 0;
6020         bmih.biClrUsed = 0;
6021         bmih.biClrImportant = 0;
6022
6023         hbitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
6024             (void**)&graphics->temp_bits, NULL, 0);
6025         if (!hbitmap)
6026             return GenericError;
6027
6028         temp_hdc = CreateCompatibleDC(0);
6029         if (!temp_hdc)
6030         {
6031             DeleteObject(hbitmap);
6032             return GenericError;
6033         }
6034
6035         for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
6036             ((DWORD*)graphics->temp_bits)[i] = DC_BACKGROUND_KEY;
6037
6038         SelectObject(temp_hdc, hbitmap);
6039
6040         graphics->temp_hbitmap = hbitmap;
6041         *hdc = graphics->temp_hdc = temp_hdc;
6042     }
6043     else
6044     {
6045         *hdc = graphics->hdc;
6046     }
6047
6048     if (stat == Ok)
6049         graphics->busy = TRUE;
6050
6051     return stat;
6052 }
6053
6054 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
6055 {
6056     GpStatus stat=Ok;
6057
6058     TRACE("(%p, %p)\n", graphics, hdc);
6059
6060     if(!graphics || !hdc || !graphics->busy)
6061         return InvalidParameter;
6062
6063     if (graphics->image && graphics->image->type == ImageTypeMetafile)
6064     {
6065         stat = METAFILE_ReleaseDC((GpMetafile*)graphics->image, hdc);
6066     }
6067     else if (graphics->temp_hdc == hdc)
6068     {
6069         DWORD* pos;
6070         int i;
6071
6072         /* Find the pixels that have changed, and mark them as opaque. */
6073         pos = (DWORD*)graphics->temp_bits;
6074         for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
6075         {
6076             if (*pos != DC_BACKGROUND_KEY)
6077             {
6078                 *pos |= 0xff000000;
6079             }
6080             pos++;
6081         }
6082
6083         /* Write the changed pixels to the real target. */
6084         alpha_blend_pixels(graphics, 0, 0, graphics->temp_bits,
6085             graphics->temp_hbitmap_width, graphics->temp_hbitmap_height,
6086             graphics->temp_hbitmap_width * 4);
6087
6088         /* Clean up. */
6089         DeleteDC(graphics->temp_hdc);
6090         DeleteObject(graphics->temp_hbitmap);
6091         graphics->temp_hdc = NULL;
6092         graphics->temp_hbitmap = NULL;
6093     }
6094     else if (hdc != graphics->hdc)
6095     {
6096         stat = InvalidParameter;
6097     }
6098
6099     if (stat == Ok)
6100         graphics->busy = FALSE;
6101
6102     return stat;
6103 }
6104
6105 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
6106 {
6107     GpRegion *clip;
6108     GpStatus status;
6109
6110     TRACE("(%p, %p)\n", graphics, region);
6111
6112     if(!graphics || !region)
6113         return InvalidParameter;
6114
6115     if(graphics->busy)
6116         return ObjectBusy;
6117
6118     if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
6119         return status;
6120
6121     /* free everything except root node and header */
6122     delete_element(&region->node);
6123     memcpy(region, clip, sizeof(GpRegion));
6124     GdipFree(clip);
6125
6126     return Ok;
6127 }
6128
6129 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
6130         GpCoordinateSpace src_space, GpMatrix *matrix)
6131 {
6132     GpStatus stat = Ok;
6133     REAL scale_x, scale_y;
6134
6135     GdipSetMatrixElements(matrix, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
6136
6137     if (dst_space != src_space)
6138     {
6139         scale_x = units_to_pixels(1.0, graphics->unit, graphics->xres);
6140         scale_y = units_to_pixels(1.0, graphics->unit, graphics->yres);
6141
6142         if(graphics->unit != UnitDisplay)
6143         {
6144             scale_x *= graphics->scale;
6145             scale_y *= graphics->scale;
6146         }
6147
6148         /* transform from src_space to CoordinateSpacePage */
6149         switch (src_space)
6150         {
6151         case CoordinateSpaceWorld:
6152             GdipMultiplyMatrix(matrix, &graphics->worldtrans, MatrixOrderAppend);
6153             break;
6154         case CoordinateSpacePage:
6155             break;
6156         case CoordinateSpaceDevice:
6157             GdipScaleMatrix(matrix, 1.0/scale_x, 1.0/scale_y, MatrixOrderAppend);
6158             break;
6159         }
6160
6161         /* transform from CoordinateSpacePage to dst_space */
6162         switch (dst_space)
6163         {
6164         case CoordinateSpaceWorld:
6165             {
6166                 GpMatrix inverted_transform = graphics->worldtrans;
6167                 stat = GdipInvertMatrix(&inverted_transform);
6168                 if (stat == Ok)
6169                     GdipMultiplyMatrix(matrix, &inverted_transform, MatrixOrderAppend);
6170                 break;
6171             }
6172         case CoordinateSpacePage:
6173             break;
6174         case CoordinateSpaceDevice:
6175             GdipScaleMatrix(matrix, scale_x, scale_y, MatrixOrderAppend);
6176             break;
6177         }
6178     }
6179     return stat;
6180 }
6181
6182 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
6183                                         GpCoordinateSpace src_space, GpPointF *points, INT count)
6184 {
6185     GpMatrix matrix;
6186     GpStatus stat;
6187
6188     if(!graphics || !points || count <= 0)
6189         return InvalidParameter;
6190
6191     if(graphics->busy)
6192         return ObjectBusy;
6193
6194     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
6195
6196     if (src_space == dst_space) return Ok;
6197
6198     stat = get_graphics_transform(graphics, dst_space, src_space, &matrix);
6199     if (stat != Ok) return stat;
6200
6201     return GdipTransformMatrixPoints(&matrix, points, count);
6202 }
6203
6204 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
6205                                          GpCoordinateSpace src_space, GpPoint *points, INT count)
6206 {
6207     GpPointF *pointsF;
6208     GpStatus ret;
6209     INT i;
6210
6211     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
6212
6213     if(count <= 0)
6214         return InvalidParameter;
6215
6216     pointsF = GdipAlloc(sizeof(GpPointF) * count);
6217     if(!pointsF)
6218         return OutOfMemory;
6219
6220     for(i = 0; i < count; i++){
6221         pointsF[i].X = (REAL)points[i].X;
6222         pointsF[i].Y = (REAL)points[i].Y;
6223     }
6224
6225     ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
6226
6227     if(ret == Ok)
6228         for(i = 0; i < count; i++){
6229             points[i].X = gdip_round(pointsF[i].X);
6230             points[i].Y = gdip_round(pointsF[i].Y);
6231         }
6232     GdipFree(pointsF);
6233
6234     return ret;
6235 }
6236
6237 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
6238 {
6239     static int calls;
6240
6241     TRACE("\n");
6242
6243     if (!calls++)
6244       FIXME("stub\n");
6245
6246     return NULL;
6247 }
6248
6249 /*****************************************************************************
6250  * GdipTranslateClip [GDIPLUS.@]
6251  */
6252 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
6253 {
6254     TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
6255
6256     if(!graphics)
6257         return InvalidParameter;
6258
6259     if(graphics->busy)
6260         return ObjectBusy;
6261
6262     return GdipTranslateRegion(graphics->clip, dx, dy);
6263 }
6264
6265 /*****************************************************************************
6266  * GdipTranslateClipI [GDIPLUS.@]
6267  */
6268 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
6269 {
6270     TRACE("(%p, %d, %d)\n", graphics, dx, dy);
6271
6272     if(!graphics)
6273         return InvalidParameter;
6274
6275     if(graphics->busy)
6276         return ObjectBusy;
6277
6278     return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
6279 }
6280
6281
6282 /*****************************************************************************
6283  * GdipMeasureDriverString [GDIPLUS.@]
6284  */
6285 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6286                                             GDIPCONST GpFont *font, GDIPCONST PointF *positions,
6287                                             INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
6288 {
6289     static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
6290     HFONT hfont;
6291     HDC hdc;
6292     REAL min_x, min_y, max_x, max_y, x, y;
6293     int i;
6294     TEXTMETRICW textmetric;
6295     const WORD *glyph_indices;
6296     WORD *dynamic_glyph_indices=NULL;
6297     REAL rel_width, rel_height, ascent, descent;
6298     GpPointF pt[3];
6299
6300     TRACE("(%p %p %d %p %p %d %p %p)\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
6301
6302     if (!graphics || !text || !font || !positions || !boundingBox)
6303         return InvalidParameter;
6304
6305     if (length == -1)
6306         length = strlenW(text);
6307
6308     if (length == 0)
6309     {
6310         boundingBox->X = 0.0;
6311         boundingBox->Y = 0.0;
6312         boundingBox->Width = 0.0;
6313         boundingBox->Height = 0.0;
6314     }
6315
6316     if (flags & unsupported_flags)
6317         FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6318
6319     get_font_hfont(graphics, font, NULL, &hfont, matrix);
6320
6321     hdc = CreateCompatibleDC(0);
6322     SelectObject(hdc, hfont);
6323
6324     GetTextMetricsW(hdc, &textmetric);
6325
6326     pt[0].X = 0.0;
6327     pt[0].Y = 0.0;
6328     pt[1].X = 1.0;
6329     pt[1].Y = 0.0;
6330     pt[2].X = 0.0;
6331     pt[2].Y = 1.0;
6332     if (matrix)
6333     {
6334         GpMatrix xform = *matrix;
6335         GdipTransformMatrixPoints(&xform, pt, 3);
6336     }
6337     GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
6338     rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
6339                      (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
6340     rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
6341                       (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
6342
6343     if (flags & DriverStringOptionsCmapLookup)
6344     {
6345         glyph_indices = dynamic_glyph_indices = GdipAlloc(sizeof(WORD) * length);
6346         if (!glyph_indices)
6347         {
6348             DeleteDC(hdc);
6349             DeleteObject(hfont);
6350             return OutOfMemory;
6351         }
6352
6353         GetGlyphIndicesW(hdc, text, length, dynamic_glyph_indices, 0);
6354     }
6355     else
6356         glyph_indices = text;
6357
6358     min_x = max_x = x = positions[0].X;
6359     min_y = max_y = y = positions[0].Y;
6360
6361     ascent = textmetric.tmAscent / rel_height;
6362     descent = textmetric.tmDescent / rel_height;
6363
6364     for (i=0; i<length; i++)
6365     {
6366         int char_width;
6367         ABC abc;
6368
6369         if (!(flags & DriverStringOptionsRealizedAdvance))
6370         {
6371             x = positions[i].X;
6372             y = positions[i].Y;
6373         }
6374
6375         GetCharABCWidthsW(hdc, glyph_indices[i], glyph_indices[i], &abc);
6376         char_width = abc.abcA + abc.abcB + abc.abcC;
6377
6378         if (min_y > y - ascent) min_y = y - ascent;
6379         if (max_y < y + descent) max_y = y + descent;
6380         if (min_x > x) min_x = x;
6381
6382         x += char_width / rel_width;
6383
6384         if (max_x < x) max_x = x;
6385     }
6386
6387     GdipFree(dynamic_glyph_indices);
6388     DeleteDC(hdc);
6389     DeleteObject(hfont);
6390
6391     boundingBox->X = min_x;
6392     boundingBox->Y = min_y;
6393     boundingBox->Width = max_x - min_x;
6394     boundingBox->Height = max_y - min_y;
6395
6396     return Ok;
6397 }
6398
6399 static GpStatus GDI32_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6400                                            GDIPCONST GpFont *font, GDIPCONST GpStringFormat *format,
6401                                            GDIPCONST GpBrush *brush, GDIPCONST PointF *positions,
6402                                            INT flags, GDIPCONST GpMatrix *matrix)
6403 {
6404     static const INT unsupported_flags = ~(DriverStringOptionsRealizedAdvance|DriverStringOptionsCmapLookup);
6405     INT save_state;
6406     GpPointF pt;
6407     HFONT hfont;
6408     UINT eto_flags=0;
6409
6410     if (flags & unsupported_flags)
6411         FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6412
6413     if (!(flags & DriverStringOptionsCmapLookup))
6414         eto_flags |= ETO_GLYPH_INDEX;
6415
6416     save_state = SaveDC(graphics->hdc);
6417     SetBkMode(graphics->hdc, TRANSPARENT);
6418     SetTextColor(graphics->hdc, get_gdi_brush_color(brush));
6419
6420     pt = positions[0];
6421     GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &pt, 1);
6422
6423     get_font_hfont(graphics, font, format, &hfont, matrix);
6424     SelectObject(graphics->hdc, hfont);
6425
6426     SetTextAlign(graphics->hdc, TA_BASELINE|TA_LEFT);
6427
6428     ExtTextOutW(graphics->hdc, gdip_round(pt.X), gdip_round(pt.Y), eto_flags, NULL, text, length, NULL);
6429
6430     RestoreDC(graphics->hdc, save_state);
6431
6432     DeleteObject(hfont);
6433
6434     return Ok;
6435 }
6436
6437 static GpStatus SOFTWARE_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6438                                         GDIPCONST GpFont *font, GDIPCONST GpStringFormat *format,
6439                                         GDIPCONST GpBrush *brush, GDIPCONST PointF *positions,
6440                                         INT flags, GDIPCONST GpMatrix *matrix)
6441 {
6442     static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
6443     GpStatus stat;
6444     PointF *real_positions, real_position;
6445     POINT *pti;
6446     HFONT hfont;
6447     HDC hdc;
6448     int min_x=INT_MAX, min_y=INT_MAX, max_x=INT_MIN, max_y=INT_MIN, i, x, y;
6449     DWORD max_glyphsize=0;
6450     GLYPHMETRICS glyphmetrics;
6451     static const MAT2 identity = {{0,1}, {0,0}, {0,0}, {0,1}};
6452     BYTE *glyph_mask;
6453     BYTE *text_mask;
6454     int text_mask_stride;
6455     BYTE *pixel_data;
6456     int pixel_data_stride;
6457     GpRect pixel_area;
6458     UINT ggo_flags = GGO_GRAY8_BITMAP;
6459
6460     if (length <= 0)
6461         return Ok;
6462
6463     if (!(flags & DriverStringOptionsCmapLookup))
6464         ggo_flags |= GGO_GLYPH_INDEX;
6465
6466     if (flags & unsupported_flags)
6467         FIXME("Ignoring flags %x\n", flags & unsupported_flags);
6468
6469     pti = GdipAlloc(sizeof(POINT) * length);
6470     if (!pti)
6471         return OutOfMemory;
6472
6473     if (flags & DriverStringOptionsRealizedAdvance)
6474     {
6475         real_position = positions[0];
6476
6477         transform_and_round_points(graphics, pti, &real_position, 1);
6478     }
6479     else
6480     {
6481         real_positions = GdipAlloc(sizeof(PointF) * length);
6482         if (!real_positions)
6483         {
6484             GdipFree(pti);
6485             return OutOfMemory;
6486         }
6487
6488         memcpy(real_positions, positions, sizeof(PointF) * length);
6489
6490         transform_and_round_points(graphics, pti, real_positions, length);
6491
6492         GdipFree(real_positions);
6493     }
6494
6495     get_font_hfont(graphics, font, format, &hfont, matrix);
6496
6497     hdc = CreateCompatibleDC(0);
6498     SelectObject(hdc, hfont);
6499
6500     /* Get the boundaries of the text to be drawn */
6501     for (i=0; i<length; i++)
6502     {
6503         DWORD glyphsize;
6504         int left, top, right, bottom;
6505
6506         glyphsize = GetGlyphOutlineW(hdc, text[i], ggo_flags,
6507             &glyphmetrics, 0, NULL, &identity);
6508
6509         if (glyphsize == GDI_ERROR)
6510         {
6511             ERR("GetGlyphOutlineW failed\n");
6512             GdipFree(pti);
6513             DeleteDC(hdc);
6514             DeleteObject(hfont);
6515             return GenericError;
6516         }
6517
6518         if (glyphsize > max_glyphsize)
6519             max_glyphsize = glyphsize;
6520
6521         left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
6522         top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
6523         right = pti[i].x + glyphmetrics.gmptGlyphOrigin.x + glyphmetrics.gmBlackBoxX;
6524         bottom = pti[i].y - glyphmetrics.gmptGlyphOrigin.y + glyphmetrics.gmBlackBoxY;
6525
6526         if (left < min_x) min_x = left;
6527         if (top < min_y) min_y = top;
6528         if (right > max_x) max_x = right;
6529         if (bottom > max_y) max_y = bottom;
6530
6531         if (i+1 < length && (flags & DriverStringOptionsRealizedAdvance) == DriverStringOptionsRealizedAdvance)
6532         {
6533             pti[i+1].x = pti[i].x + glyphmetrics.gmCellIncX;
6534             pti[i+1].y = pti[i].y + glyphmetrics.gmCellIncY;
6535         }
6536     }
6537
6538     glyph_mask = GdipAlloc(max_glyphsize);
6539     text_mask = GdipAlloc((max_x - min_x) * (max_y - min_y));
6540     text_mask_stride = max_x - min_x;
6541
6542     if (!(glyph_mask && text_mask))
6543     {
6544         GdipFree(glyph_mask);
6545         GdipFree(text_mask);
6546         GdipFree(pti);
6547         DeleteDC(hdc);
6548         DeleteObject(hfont);
6549         return OutOfMemory;
6550     }
6551
6552     /* Generate a mask for the text */
6553     for (i=0; i<length; i++)
6554     {
6555         int left, top, stride;
6556
6557         GetGlyphOutlineW(hdc, text[i], ggo_flags,
6558             &glyphmetrics, max_glyphsize, glyph_mask, &identity);
6559
6560         left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
6561         top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
6562         stride = (glyphmetrics.gmBlackBoxX + 3) & (~3);
6563
6564         for (y=0; y<glyphmetrics.gmBlackBoxY; y++)
6565         {
6566             BYTE *glyph_val = glyph_mask + y * stride;
6567             BYTE *text_val = text_mask + (left - min_x) + (top - min_y + y) * text_mask_stride;
6568             for (x=0; x<glyphmetrics.gmBlackBoxX; x++)
6569             {
6570                 *text_val = min(64, *text_val + *glyph_val);
6571                 glyph_val++;
6572                 text_val++;
6573             }
6574         }
6575     }
6576
6577     GdipFree(pti);
6578     DeleteDC(hdc);
6579     DeleteObject(hfont);
6580     GdipFree(glyph_mask);
6581
6582     /* get the brush data */
6583     pixel_data = GdipAlloc(4 * (max_x - min_x) * (max_y - min_y));
6584     if (!pixel_data)
6585     {
6586         GdipFree(text_mask);
6587         return OutOfMemory;
6588     }
6589
6590     pixel_area.X = min_x;
6591     pixel_area.Y = min_y;
6592     pixel_area.Width = max_x - min_x;
6593     pixel_area.Height = max_y - min_y;
6594     pixel_data_stride = pixel_area.Width * 4;
6595
6596     stat = brush_fill_pixels(graphics, (GpBrush*)brush, (DWORD*)pixel_data, &pixel_area, pixel_area.Width);
6597     if (stat != Ok)
6598     {
6599         GdipFree(text_mask);
6600         GdipFree(pixel_data);
6601         return stat;
6602     }
6603
6604     /* multiply the brush data by the mask */
6605     for (y=0; y<pixel_area.Height; y++)
6606     {
6607         BYTE *text_val = text_mask + text_mask_stride * y;
6608         BYTE *pixel_val = pixel_data + pixel_data_stride * y + 3;
6609         for (x=0; x<pixel_area.Width; x++)
6610         {
6611             *pixel_val = (*pixel_val) * (*text_val) / 64;
6612             text_val++;
6613             pixel_val+=4;
6614         }
6615     }
6616
6617     GdipFree(text_mask);
6618
6619     /* draw the result */
6620     stat = alpha_blend_pixels(graphics, min_x, min_y, pixel_data, pixel_area.Width,
6621         pixel_area.Height, pixel_data_stride);
6622
6623     GdipFree(pixel_data);
6624
6625     return stat;
6626 }
6627
6628 static GpStatus draw_driver_string(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6629                                    GDIPCONST GpFont *font, GDIPCONST GpStringFormat *format,
6630                                    GDIPCONST GpBrush *brush, GDIPCONST PointF *positions,
6631                                    INT flags, GDIPCONST GpMatrix *matrix)
6632 {
6633     GpStatus stat = NotImplemented;
6634
6635     if (length == -1)
6636         length = strlenW(text);
6637
6638     if (graphics->hdc && !graphics->alpha_hdc &&
6639         ((flags & DriverStringOptionsRealizedAdvance) || length <= 1) &&
6640         brush->bt == BrushTypeSolidColor &&
6641         (((GpSolidFill*)brush)->color & 0xff000000) == 0xff000000)
6642         stat = GDI32_GdipDrawDriverString(graphics, text, length, font, format,
6643                                           brush, positions, flags, matrix);
6644     if (stat == NotImplemented)
6645         stat = SOFTWARE_GdipDrawDriverString(graphics, text, length, font, format,
6646                                              brush, positions, flags, matrix);
6647     return stat;
6648 }
6649
6650 /*****************************************************************************
6651  * GdipDrawDriverString [GDIPLUS.@]
6652  */
6653 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6654                                          GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
6655                                          GDIPCONST PointF *positions, INT flags,
6656                                          GDIPCONST GpMatrix *matrix )
6657 {
6658     TRACE("(%p %s %p %p %p %d %p)\n", graphics, debugstr_wn(text, length), font, brush, positions, flags, matrix);
6659
6660     if (!graphics || !text || !font || !brush || !positions)
6661         return InvalidParameter;
6662
6663     return draw_driver_string(graphics, text, length, font, NULL,
6664                               brush, positions, flags, matrix);
6665 }
6666
6667 GpStatus WINGDIPAPI GdipRecordMetafileStream(IStream *stream, HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
6668                                         MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
6669 {
6670     FIXME("(%p %p %d %p %d %p %p): stub\n", stream, hdc, type, frameRect, frameUnit, desc, metafile);
6671     return NotImplemented;
6672 }
6673
6674 /*****************************************************************************
6675  * GdipIsVisibleClipEmpty [GDIPLUS.@]
6676  */
6677 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
6678 {
6679     GpStatus stat;
6680     GpRegion* rgn;
6681
6682     TRACE("(%p, %p)\n", graphics, res);
6683
6684     if((stat = GdipCreateRegion(&rgn)) != Ok)
6685         return stat;
6686
6687     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
6688         goto cleanup;
6689
6690     stat = GdipIsEmptyRegion(rgn, graphics, res);
6691
6692 cleanup:
6693     GdipDeleteRegion(rgn);
6694     return stat;
6695 }
6696
6697 GpStatus WINGDIPAPI GdipResetPageTransform(GpGraphics *graphics)
6698 {
6699     static int calls;
6700
6701     TRACE("(%p) stub\n", graphics);
6702
6703     if(!(calls++))
6704         FIXME("not implemented\n");
6705
6706     return NotImplemented;
6707 }