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 /* Converts angle (in degrees) to x/y coordinates */
  50 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
  51 {
  52     REAL radAngle, hypotenuse;
  53
  54     radAngle = deg2rad(angle);
  55     hypotenuse = 50.0; /* arbitrary */
  56
  57     *x = x_0 + cos(radAngle) * hypotenuse;
  58     *y = y_0 + sin(radAngle) * hypotenuse;
  59 }
  60
  61 /* Converts from gdiplus path point type to gdi path point type. */
  62 static BYTE convert_path_point_type(BYTE type)
  63 {
  64     BYTE ret;
  65
  66     switch(type & PathPointTypePathTypeMask){
  67         case PathPointTypeBezier:
  68             ret = PT_BEZIERTO;
  69             break;
  70         case PathPointTypeLine:
  71             ret = PT_LINETO;
  72             break;
  73         case PathPointTypeStart:
  74             ret = PT_MOVETO;
  75             break;
  76         default:
  77             ERR("Bad point type\n");
  78             return 0;
  79     }
  80
  81     if(type & PathPointTypeCloseSubpath)
  82         ret |= PT_CLOSEFIGURE;
  83
  84     return ret;
  85 }
  86
  87 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
  88 {
  89     HPEN gdipen;
  90     REAL width;
  91     INT save_state = SaveDC(graphics->hdc), i, numdashes;
  92     GpPointF pt[2];
  93     DWORD dash_array[MAX_DASHLEN];
  94
  95     EndPath(graphics->hdc);
  96
  97     if(pen->unit == UnitPixel){
  98         width = pen->width;
  99     }
 100     else{
 101         /* Get an estimate for the amount the pen width is affected by the world
 102          * transform. (This is similar to what some of the wine drivers do.) */
 103         pt[0].X = 0.0;
 104         pt[0].Y = 0.0;
 105         pt[1].X = 1.0;
 106         pt[1].Y = 1.0;
 107         GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
 108         width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
 109                      (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
 110
 111         width *= pen->width * convert_unit(graphics->hdc,
 112                               pen->unit == UnitWorld ? graphics->unit : pen->unit);
 113     }
 114
 115     if(pen->dash == DashStyleCustom){
 116         numdashes = min(pen->numdashes, MAX_DASHLEN);
 117
 118         TRACE("dashes are: ");
 119         for(i = 0; i < numdashes; i++){
 120             dash_array[i] = roundr(width * pen->dashes[i]);
 121             TRACE("%d, ", dash_array[i]);
 122         }
 123         TRACE("\n and the pen style is %x\n", pen->style);
 124
 125         gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
 126                               numdashes, dash_array);
 127     }
 128     else
 129         gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
 130
 131     SelectObject(graphics->hdc, gdipen);
 132
 133     return save_state;
 134 }
 135
 136 static void restore_dc(GpGraphics *graphics, INT state)
 137 {
 138     DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
 139     RestoreDC(graphics->hdc, state);
 140 }
 141
 142 /* This helper applies all the changes that the points listed in ptf need in
 143  * order to be drawn on the device context.  In the end, this should include at
 144  * least:
 145  *  -scaling by page unit
 146  *  -applying world transformation
 147  *  -converting from float to int
 148  * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
 149  * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
 150  * gdi to draw, and these functions would irreparably mess with line widths.
 151  */
 152 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
 153     GpPointF *ptf, INT count)
 154 {
 155     REAL unitscale;
 156     GpMatrix *matrix;
 157     int i;
 158
 159     unitscale = convert_unit(graphics->hdc, graphics->unit);
 160
 161     /* apply page scale */
 162     if(graphics->unit != UnitDisplay)
 163         unitscale *= graphics->scale;
 164
 165     GdipCloneMatrix(graphics->worldtrans, &matrix);
 166     GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
 167     GdipTransformMatrixPoints(matrix, ptf, count);
 168     GdipDeleteMatrix(matrix);
 169
 170     for(i = 0; i < count; i++){
 171         pti[i].x = roundr(ptf[i].X);
 172         pti[i].y = roundr(ptf[i].Y);
 173     }
 174 }
 175
 176 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
 177 {
 178     ARGB result=0;
 179     ARGB i;
 180     for (i=0xff; i<=0xff0000; i = i << 8)
 181         result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
 182     return result;
 183 }
 184
 185 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
 186 {
 187     REAL blendfac;
 188
 189     /* clamp to between 0.0 and 1.0, using the wrap mode */
 190     if (brush->wrap == WrapModeTile)
 191     {
 192         position = fmodf(position, 1.0f);
 193         if (position < 0.0f) position += 1.0f;
 194     }
 195     else /* WrapModeFlip* */
 196     {
 197         position = fmodf(position, 2.0f);
 198         if (position < 0.0f) position += 2.0f;
 199         if (position > 1.0f) position = 2.0f - position;
 200     }
 201
 202     if (brush->blendcount == 1)
 203         blendfac = position;
 204     else
 205     {
 206         int i=1;
 207         REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
 208         REAL range;
 209
 210         /* locate the blend positions surrounding this position */
 211         while (position > brush->blendpos[i])
 212             i++;
 213
 214         /* interpolate between the blend positions */
 215         left_blendpos = brush->blendpos[i-1];
 216         left_blendfac = brush->blendfac[i-1];
 217         right_blendpos = brush->blendpos[i];
 218         right_blendfac = brush->blendfac[i];
 219         range = right_blendpos - left_blendpos;
 220         blendfac = (left_blendfac * (right_blendpos - position) +
 221                     right_blendfac * (position - left_blendpos)) / range;
 222     }
 223     return blend_colors(brush->startcolor, brush->endcolor, blendfac);
 224 }
 225
 226 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
 227 {
 228     switch (brush->bt)
 229     {
 230     case BrushTypeLinearGradient:
 231     {
 232         GpLineGradient *line = (GpLineGradient*)brush;
 233         RECT rc;
 234
 235         SelectClipPath(graphics->hdc, RGN_AND);
 236         if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
 237         {
 238             GpPointF endpointsf[2];
 239             POINT endpointsi[2];
 240             POINT poly[4];
 241
 242             SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
 243
 244             endpointsf[0] = line->startpoint;
 245             endpointsf[1] = line->endpoint;
 246             transform_and_round_points(graphics, endpointsi, endpointsf, 2);
 247
 248             if (abs(endpointsi[0].x-endpointsi[1].x) > abs(endpointsi[0].y-endpointsi[1].y))
 249             {
 250                 /* vertical-ish gradient */
 251                 int startx, endx; /* x co-ordinates of endpoints shifted to intersect the top of the visible rectangle */
 252                 int startbottomx; /* x co-ordinate of start point shifted to intersect the bottom of the visible rectangle */
 253                 int width;
 254                 COLORREF col;
 255                 HBRUSH hbrush, hprevbrush;
 256                 int leftx, rightx; /* x co-ordinates where the leftmost and rightmost gradient lines hit the top of the visible rectangle */
 257                 int x;
 258                 int tilt; /* horizontal distance covered by a gradient line */
 259
 260                 startx = roundr((rc.top - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
 261                 endx = roundr((rc.top - endpointsf[1].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[1].X);
 262                 width = endx - startx;
 263                 startbottomx = roundr((rc.bottom - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
 264                 tilt = startx - startbottomx;
 265
 266                 if (startx >= startbottomx)
 267                 {
 268                     leftx = rc.left;
 269                     rightx = rc.right + tilt;
 270                 }
 271                 else
 272                 {
 273                     leftx = rc.left + tilt;
 274                     rightx = rc.right;
 275                 }
 276
 277                 poly[0].y = rc.bottom;
 278                 poly[1].y = rc.top;
 279                 poly[2].y = rc.top;
 280                 poly[3].y = rc.bottom;
 281
 282                 for (x=leftx; x<=rightx; x++)
 283                 {
 284                     ARGB argb = blend_line_gradient(line, (x-startx)/(REAL)width);
 285                     col = ARGB2COLORREF(argb);
 286                     hbrush = CreateSolidBrush(col);
 287                     hprevbrush = SelectObject(graphics->hdc, hbrush);
 288                     poly[0].x = x - tilt - 1;
 289                     poly[1].x = x - 1;
 290                     poly[2].x = x;
 291                     poly[3].x = x - tilt;
 292                     Polygon(graphics->hdc, poly, 4);
 293                     SelectObject(graphics->hdc, hprevbrush);
 294                     DeleteObject(hbrush);
 295                 }
 296             }
 297             else if (endpointsi[0].y != endpointsi[1].y)
 298             {
 299                 /* horizontal-ish gradient */
 300                 int starty, endy; /* y co-ordinates of endpoints shifted to intersect the left of the visible rectangle */
 301                 int startrighty; /* y co-ordinate of start point shifted to intersect the right of the visible rectangle */
 302                 int height;
 303                 COLORREF col;
 304                 HBRUSH hbrush, hprevbrush;
 305                 int topy, bottomy; /* y co-ordinates where the topmost and bottommost gradient lines hit the left of the visible rectangle */
 306                 int y;
 307                 int tilt; /* vertical distance covered by a gradient line */
 308
 309                 starty = roundr((rc.left - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
 310                 endy = roundr((rc.left - endpointsf[1].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[1].Y);
 311                 height = endy - starty;
 312                 startrighty = roundr((rc.right - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
 313                 tilt = starty - startrighty;
 314
 315                 if (starty >= startrighty)
 316                 {
 317                     topy = rc.top;
 318                     bottomy = rc.bottom + tilt;
 319                 }
 320                 else
 321                 {
 322                     topy = rc.top + tilt;
 323                     bottomy = rc.bottom;
 324                 }
 325
 326                 poly[0].x = rc.right;
 327                 poly[1].x = rc.left;
 328                 poly[2].x = rc.left;
 329                 poly[3].x = rc.right;
 330
 331                 for (y=topy; y<=bottomy; y++)
 332                 {
 333                     ARGB argb = blend_line_gradient(line, (y-starty)/(REAL)height);
 334                     col = ARGB2COLORREF(argb);
 335                     hbrush = CreateSolidBrush(col);
 336                     hprevbrush = SelectObject(graphics->hdc, hbrush);
 337                     poly[0].y = y - tilt - 1;
 338                     poly[1].y = y - 1;
 339                     poly[2].y = y;
 340                     poly[3].y = y - tilt;
 341                     Polygon(graphics->hdc, poly, 4);
 342                     SelectObject(graphics->hdc, hprevbrush);
 343                     DeleteObject(hbrush);
 344                 }
 345             }
 346             /* else startpoint == endpoint */
 347         }
 348         break;
 349     }
 350     case BrushTypeSolidColor:
 351     {
 352         GpSolidFill *fill = (GpSolidFill*)brush;
 353         if (fill->bmp)
 354         {
 355             RECT rc;
 356             /* partially transparent fill */
 357
 358             SelectClipPath(graphics->hdc, RGN_AND);
 359             if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
 360             {
 361                 HDC hdc = CreateCompatibleDC(NULL);
 362                 HBITMAP oldbmp;
 363                 BLENDFUNCTION bf;
 364
 365                 if (!hdc) break;
 366
 367                 oldbmp = SelectObject(hdc, fill->bmp);
 368
 369                 bf.BlendOp = AC_SRC_OVER;
 370                 bf.BlendFlags = 0;
 371                 bf.SourceConstantAlpha = 255;
 372                 bf.AlphaFormat = AC_SRC_ALPHA;
 373
 374                 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
 375
 376                 SelectObject(hdc, oldbmp);
 377                 DeleteDC(hdc);
 378             }
 379
 380             break;
 381         }
 382         /* else fall through */
 383     }
 384     default:
 385         SelectObject(graphics->hdc, brush->gdibrush);
 386         FillPath(graphics->hdc);
 387         break;
 388     }
 389 }
 390
 391 /* GdipDrawPie/GdipFillPie helper function */
 392 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
 393     REAL height, REAL startAngle, REAL sweepAngle)
 394 {
 395     GpPointF ptf[4];
 396     POINT pti[4];
 397
 398     ptf[0].X = x;
 399     ptf[0].Y = y;
 400     ptf[1].X = x + width;
 401     ptf[1].Y = y + height;
 402
 403     deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
 404     deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
 405
 406     transform_and_round_points(graphics, pti, ptf, 4);
 407
 408     Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
 409         pti[2].y, pti[3].x, pti[3].y);
 410 }
 411
 412 /* Draws the linecap the specified color and size on the hdc.  The linecap is in
 413  * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
 414  * should not be called on an hdc that has a path you care about. */
 415 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
 416     const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
 417 {
 418     HGDIOBJ oldbrush = NULL, oldpen = NULL;
 419     GpMatrix *matrix = NULL;
 420     HBRUSH brush = NULL;
 421     HPEN pen = NULL;
 422     PointF ptf[4], *custptf = NULL;
 423     POINT pt[4], *custpt = NULL;
 424     BYTE *tp = NULL;
 425     REAL theta, dsmall, dbig, dx, dy = 0.0;
 426     INT i, count;
 427     LOGBRUSH lb;
 428     BOOL customstroke;
 429
 430     if((x1 == x2) && (y1 == y2))
 431         return;
 432
 433     theta = gdiplus_atan2(y2 - y1, x2 - x1);
 434
 435     customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
 436     if(!customstroke){
 437         brush = CreateSolidBrush(color);
 438         lb.lbStyle = BS_SOLID;
 439         lb.lbColor = color;
 440         lb.lbHatch = 0;
 441         pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
 442                            PS_JOIN_MITER, 1, &lb, 0,
 443                            NULL);
 444         oldbrush = SelectObject(graphics->hdc, brush);
 445         oldpen = SelectObject(graphics->hdc, pen);
 446     }
 447
 448     switch(cap){
 449         case LineCapFlat:
 450             break;
 451         case LineCapSquare:
 452         case LineCapSquareAnchor:
 453         case LineCapDiamondAnchor:
 454             size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
 455             if(cap == LineCapDiamondAnchor){
 456                 dsmall = cos(theta + M_PI_2) * size;
 457                 dbig = sin(theta + M_PI_2) * size;
 458             }
 459             else{
 460                 dsmall = cos(theta + M_PI_4) * size;
 461                 dbig = sin(theta + M_PI_4) * size;
 462             }
 463
 464             ptf[0].X = x2 - dsmall;
 465             ptf[1].X = x2 + dbig;
 466
 467             ptf[0].Y = y2 - dbig;
 468             ptf[3].Y = y2 + dsmall;
 469
 470             ptf[1].Y = y2 - dsmall;
 471             ptf[2].Y = y2 + dbig;
 472
 473             ptf[3].X = x2 - dbig;
 474             ptf[2].X = x2 + dsmall;
 475
 476             transform_and_round_points(graphics, pt, ptf, 4);
 477             Polygon(graphics->hdc, pt, 4);
 478
 479             break;
 480         case LineCapArrowAnchor:
 481             size = size * 4.0 / sqrt(3.0);
 482
 483             dx = cos(M_PI / 6.0 + theta) * size;
 484             dy = sin(M_PI / 6.0 + theta) * size;
 485
 486             ptf[0].X = x2 - dx;
 487             ptf[0].Y = y2 - dy;
 488
 489             dx = cos(- M_PI / 6.0 + theta) * size;
 490             dy = sin(- M_PI / 6.0 + theta) * size;
 491
 492             ptf[1].X = x2 - dx;
 493             ptf[1].Y = y2 - dy;
 494
 495             ptf[2].X = x2;
 496             ptf[2].Y = y2;
 497
 498             transform_and_round_points(graphics, pt, ptf, 3);
 499             Polygon(graphics->hdc, pt, 3);
 500
 501             break;
 502         case LineCapRoundAnchor:
 503             dx = dy = ANCHOR_WIDTH * size / 2.0;
 504
 505             ptf[0].X = x2 - dx;
 506             ptf[0].Y = y2 - dy;
 507             ptf[1].X = x2 + dx;
 508             ptf[1].Y = y2 + dy;
 509
 510             transform_and_round_points(graphics, pt, ptf, 2);
 511             Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
 512
 513             break;
 514         case LineCapTriangle:
 515             size = size / 2.0;
 516             dx = cos(M_PI_2 + theta) * size;
 517             dy = sin(M_PI_2 + theta) * size;
 518
 519             ptf[0].X = x2 - dx;
 520             ptf[0].Y = y2 - dy;
 521             ptf[1].X = x2 + dx;
 522             ptf[1].Y = y2 + dy;
 523
 524             dx = cos(theta) * size;
 525             dy = sin(theta) * size;
 526
 527             ptf[2].X = x2 + dx;
 528             ptf[2].Y = y2 + dy;
 529
 530             transform_and_round_points(graphics, pt, ptf, 3);
 531             Polygon(graphics->hdc, pt, 3);
 532
 533             break;
 534         case LineCapRound:
 535             dx = dy = size / 2.0;
 536
 537             ptf[0].X = x2 - dx;
 538             ptf[0].Y = y2 - dy;
 539             ptf[1].X = x2 + dx;
 540             ptf[1].Y = y2 + dy;
 541
 542             dx = -cos(M_PI_2 + theta) * size;
 543             dy = -sin(M_PI_2 + theta) * size;
 544
 545             ptf[2].X = x2 - dx;
 546             ptf[2].Y = y2 - dy;
 547             ptf[3].X = x2 + dx;
 548             ptf[3].Y = y2 + dy;
 549
 550             transform_and_round_points(graphics, pt, ptf, 4);
 551             Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
 552                 pt[2].y, pt[3].x, pt[3].y);
 553
 554             break;
 555         case LineCapCustom:
 556             if(!custom)
 557                 break;
 558
 559             count = custom->pathdata.Count;
 560             custptf = GdipAlloc(count * sizeof(PointF));
 561             custpt = GdipAlloc(count * sizeof(POINT));
 562             tp = GdipAlloc(count);
 563
 564             if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
 565                 goto custend;
 566
 567             memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
 568
 569             GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
 570             GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
 571                              MatrixOrderAppend);
 572             GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
 573             GdipTransformMatrixPoints(matrix, custptf, count);
 574
 575             transform_and_round_points(graphics, custpt, custptf, count);
 576
 577             for(i = 0; i < count; i++)
 578                 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
 579
 580             if(custom->fill){
 581                 BeginPath(graphics->hdc);
 582                 PolyDraw(graphics->hdc, custpt, tp, count);
 583                 EndPath(graphics->hdc);
 584                 StrokeAndFillPath(graphics->hdc);
 585             }
 586             else
 587                 PolyDraw(graphics->hdc, custpt, tp, count);
 588
 589 custend:
 590             GdipFree(custptf);
 591             GdipFree(custpt);
 592             GdipFree(tp);
 593             GdipDeleteMatrix(matrix);
 594             break;
 595         default:
 596             break;
 597     }
 598
 599     if(!customstroke){
 600         SelectObject(graphics->hdc, oldbrush);
 601         SelectObject(graphics->hdc, oldpen);
 602         DeleteObject(brush);
 603         DeleteObject(pen);
 604     }
 605 }
 606
 607 /* Shortens the line by the given percent by changing x2, y2.
 608  * If percent is > 1.0 then the line will change direction.
 609  * If percent is negative it can lengthen the line. */
 610 static void shorten_line_percent(REAL x1, REAL  y1, REAL *x2, REAL *y2, REAL percent)
 611 {
 612     REAL dist, theta, dx, dy;
 613
 614     if((y1 == *y2) && (x1 == *x2))
 615         return;
 616
 617     dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
 618     theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
 619     dx = cos(theta) * dist;
 620     dy = sin(theta) * dist;
 621
 622     *x2 = *x2 + dx;
 623     *y2 = *y2 + dy;
 624 }
 625
 626 /* Shortens the line by the given amount by changing x2, y2.
 627  * If the amount is greater than the distance, the line will become length 0.
 628  * If the amount is negative, it can lengthen the line. */
 629 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
 630 {
 631     REAL dx, dy, percent;
 632
 633     dx = *x2 - x1;
 634     dy = *y2 - y1;
 635     if(dx == 0 && dy == 0)
 636         return;
 637
 638     percent = amt / sqrt(dx * dx + dy * dy);
 639     if(percent >= 1.0){
 640         *x2 = x1;
 641         *y2 = y1;
 642         return;
 643     }
 644
 645     shorten_line_percent(x1, y1, x2, y2, percent);
 646 }
 647
 648 /* Draws lines between the given points, and if caps is true then draws an endcap
 649  * at the end of the last line. */
 650 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
 651     GDIPCONST GpPointF * pt, INT count, BOOL caps)
 652 {
 653     POINT *pti = NULL;
 654     GpPointF *ptcopy = NULL;
 655     GpStatus status = GenericError;
 656
 657     if(!count)
 658         return Ok;
 659
 660     pti = GdipAlloc(count * sizeof(POINT));
 661     ptcopy = GdipAlloc(count * sizeof(GpPointF));
 662
 663     if(!pti || !ptcopy){
 664         status = OutOfMemory;
 665         goto end;
 666     }
 667
 668     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 669
 670     if(caps){
 671         if(pen->endcap == LineCapArrowAnchor)
 672             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
 673                              &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
 674         else if((pen->endcap == LineCapCustom) && pen->customend)
 675             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
 676                              &ptcopy[count-1].X, &ptcopy[count-1].Y,
 677                              pen->customend->inset * pen->width);
 678
 679         if(pen->startcap == LineCapArrowAnchor)
 680             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
 681                              &ptcopy[0].X, &ptcopy[0].Y, pen->width);
 682         else if((pen->startcap == LineCapCustom) && pen->customstart)
 683             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
 684                              &ptcopy[0].X, &ptcopy[0].Y,
 685                              pen->customstart->inset * pen->width);
 686
 687         draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 688                  pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
 689         draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 690                          pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
 691     }
 692
 693     transform_and_round_points(graphics, pti, ptcopy, count);
 694
 695     if(Polyline(graphics->hdc, pti, count))
 696         status = Ok;
 697
 698 end:
 699     GdipFree(pti);
 700     GdipFree(ptcopy);
 701
 702     return status;
 703 }
 704
 705 /* Conducts a linear search to find the bezier points that will back off
 706  * the endpoint of the curve by a distance of amt. Linear search works
 707  * better than binary in this case because there are multiple solutions,
 708  * and binary searches often find a bad one. I don't think this is what
 709  * Windows does but short of rendering the bezier without GDI's help it's
 710  * the best we can do. If rev then work from the start of the passed points
 711  * instead of the end. */
 712 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
 713 {
 714     GpPointF origpt[4];
 715     REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
 716     INT i, first = 0, second = 1, third = 2, fourth = 3;
 717
 718     if(rev){
 719         first = 3;
 720         second = 2;
 721         third = 1;
 722         fourth = 0;
 723     }
 724
 725     origx = pt[fourth].X;
 726     origy = pt[fourth].Y;
 727     memcpy(origpt, pt, sizeof(GpPointF) * 4);
 728
 729     for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
 730         /* reset bezier points to original values */
 731         memcpy(pt, origpt, sizeof(GpPointF) * 4);
 732         /* Perform magic on bezier points. Order is important here.*/
 733         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 734         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
 735         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 736         shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
 737         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
 738         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 739
 740         dx = pt[fourth].X - origx;
 741         dy = pt[fourth].Y - origy;
 742
 743         diff = sqrt(dx * dx + dy * dy);
 744         percent += 0.0005 * amt;
 745     }
 746 }
 747
 748 /* Draws bezier curves between given points, and if caps is true then draws an
 749  * endcap at the end of the last line. */
 750 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
 751     GDIPCONST GpPointF * pt, INT count, BOOL caps)
 752 {
 753     POINT *pti;
 754     GpPointF *ptcopy;
 755     GpStatus status = GenericError;
 756
 757     if(!count)
 758         return Ok;
 759
 760     pti = GdipAlloc(count * sizeof(POINT));
 761     ptcopy = GdipAlloc(count * sizeof(GpPointF));
 762
 763     if(!pti || !ptcopy){
 764         status = OutOfMemory;
 765         goto end;
 766     }
 767
 768     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 769
 770     if(caps){
 771         if(pen->endcap == LineCapArrowAnchor)
 772             shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
 773         else if((pen->endcap == LineCapCustom) && pen->customend)
 774             shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
 775                                FALSE);
 776
 777         if(pen->startcap == LineCapArrowAnchor)
 778             shorten_bezier_amt(ptcopy, pen->width, TRUE);
 779         else if((pen->startcap == LineCapCustom) && pen->customstart)
 780             shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
 781
 782         /* the direction of the line cap is parallel to the direction at the
 783          * end of the bezier (which, if it has been shortened, is not the same
 784          * as the direction from pt[count-2] to pt[count-1]) */
 785         draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 786             pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
 787             pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
 788             pt[count - 1].X, pt[count - 1].Y);
 789
 790         draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 791             pt[0].X - (ptcopy[0].X - ptcopy[1].X),
 792             pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
 793     }
 794
 795     transform_and_round_points(graphics, pti, ptcopy, count);
 796
 797     PolyBezier(graphics->hdc, pti, count);
 798
 799     status = Ok;
 800
 801 end:
 802     GdipFree(pti);
 803     GdipFree(ptcopy);
 804
 805     return status;
 806 }
 807
 808 /* Draws a combination of bezier curves and lines between points. */
 809 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
 810     GDIPCONST BYTE * types, INT count, BOOL caps)
 811 {
 812     POINT *pti = GdipAlloc(count * sizeof(POINT));
 813     BYTE *tp = GdipAlloc(count);
 814     GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
 815     INT i, j;
 816     GpStatus status = GenericError;
 817
 818     if(!count){
 819         status = Ok;
 820         goto end;
 821     }
 822     if(!pti || !tp || !ptcopy){
 823         status = OutOfMemory;
 824         goto end;
 825     }
 826
 827     for(i = 1; i < count; i++){
 828         if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
 829             if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
 830                 || !(types[i + 1] & PathPointTypeBezier)){
 831                 ERR("Bad bezier points\n");
 832                 goto end;
 833             }
 834             i += 2;
 835         }
 836     }
 837
 838     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 839
 840     /* If we are drawing caps, go through the points and adjust them accordingly,
 841      * and draw the caps. */
 842     if(caps){
 843         switch(types[count - 1] & PathPointTypePathTypeMask){
 844             case PathPointTypeBezier:
 845                 if(pen->endcap == LineCapArrowAnchor)
 846                     shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
 847                 else if((pen->endcap == LineCapCustom) && pen->customend)
 848                     shorten_bezier_amt(&ptcopy[count - 4],
 849                                        pen->width * pen->customend->inset, FALSE);
 850
 851                 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 852                     pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
 853                     pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
 854                     pt[count - 1].X, pt[count - 1].Y);
 855
 856                 break;
 857             case PathPointTypeLine:
 858                 if(pen->endcap == LineCapArrowAnchor)
 859                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
 860                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
 861                                      pen->width);
 862                 else if((pen->endcap == LineCapCustom) && pen->customend)
 863                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
 864                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
 865                                      pen->customend->inset * pen->width);
 866
 867                 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 868                          pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
 869                          pt[count - 1].Y);
 870
 871                 break;
 872             default:
 873                 ERR("Bad path last point\n");
 874                 goto end;
 875         }
 876
 877         /* Find start of points */
 878         for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
 879             == PathPointTypeStart); j++);
 880
 881         switch(types[j] & PathPointTypePathTypeMask){
 882             case PathPointTypeBezier:
 883                 if(pen->startcap == LineCapArrowAnchor)
 884                     shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
 885                 else if((pen->startcap == LineCapCustom) && pen->customstart)
 886                     shorten_bezier_amt(&ptcopy[j - 1],
 887                                        pen->width * pen->customstart->inset, TRUE);
 888
 889                 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 890                     pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
 891                     pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
 892                     pt[j - 1].X, pt[j - 1].Y);
 893
 894                 break;
 895             case PathPointTypeLine:
 896                 if(pen->startcap == LineCapArrowAnchor)
 897                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
 898                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
 899                                      pen->width);
 900                 else if((pen->startcap == LineCapCustom) && pen->customstart)
 901                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
 902                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
 903                                      pen->customstart->inset * pen->width);
 904
 905                 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 906                          pt[j].X, pt[j].Y, pt[j - 1].X,
 907                          pt[j - 1].Y);
 908
 909                 break;
 910             default:
 911                 ERR("Bad path points\n");
 912                 goto end;
 913         }
 914     }
 915
 916     transform_and_round_points(graphics, pti, ptcopy, count);
 917
 918     for(i = 0; i < count; i++){
 919         tp[i] = convert_path_point_type(types[i]);
 920     }
 921
 922     PolyDraw(graphics->hdc, pti, tp, count);
 923
 924     status = Ok;
 925
 926 end:
 927     GdipFree(pti);
 928     GdipFree(ptcopy);
 929     GdipFree(tp);
 930
 931     return status;
 932 }
 933
 934 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
 935 {
 936     GpStatus result;
 937
 938     BeginPath(graphics->hdc);
 939     result = draw_poly(graphics, NULL, path->pathdata.Points,
 940                        path->pathdata.Types, path->pathdata.Count, FALSE);
 941     EndPath(graphics->hdc);
 942     return result;
 943 }
 944
 945 typedef struct _GraphicsContainerItem {
 946     struct list entry;
 947     GraphicsContainer contid;
 948
 949     SmoothingMode smoothing;
 950     CompositingQuality compqual;
 951     InterpolationMode interpolation;
 952     CompositingMode compmode;
 953     TextRenderingHint texthint;
 954     REAL scale;
 955     GpUnit unit;
 956     PixelOffsetMode pixeloffset;
 957     UINT textcontrast;
 958     GpMatrix* worldtrans;
 959     GpRegion* clip;
 960 } GraphicsContainerItem;
 961
 962 static GpStatus init_container(GraphicsContainerItem** container,
 963         GDIPCONST GpGraphics* graphics){
 964     GpStatus sts;
 965
 966     *container = GdipAlloc(sizeof(GraphicsContainerItem));
 967     if(!(*container))
 968         return OutOfMemory;
 969
 970     (*container)->contid = graphics->contid + 1;
 971
 972     (*container)->smoothing = graphics->smoothing;
 973     (*container)->compqual = graphics->compqual;
 974     (*container)->interpolation = graphics->interpolation;
 975     (*container)->compmode = graphics->compmode;
 976     (*container)->texthint = graphics->texthint;
 977     (*container)->scale = graphics->scale;
 978     (*container)->unit = graphics->unit;
 979     (*container)->textcontrast = graphics->textcontrast;
 980     (*container)->pixeloffset = graphics->pixeloffset;
 981
 982     sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
 983     if(sts != Ok){
 984         GdipFree(*container);
 985         *container = NULL;
 986         return sts;
 987     }
 988
 989     sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
 990     if(sts != Ok){
 991         GdipDeleteMatrix((*container)->worldtrans);
 992         GdipFree(*container);
 993         *container = NULL;
 994         return sts;
 995     }
 996
 997     return Ok;
 998 }
 999
1000 static void delete_container(GraphicsContainerItem* container){
1001     GdipDeleteMatrix(container->worldtrans);
1002     GdipDeleteRegion(container->clip);
1003     GdipFree(container);
1004 }
1005
1006 static GpStatus restore_container(GpGraphics* graphics,
1007         GDIPCONST GraphicsContainerItem* container){
1008     GpStatus sts;
1009     GpMatrix *newTrans;
1010     GpRegion *newClip;
1011
1012     sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1013     if(sts != Ok)
1014         return sts;
1015
1016     sts = GdipCloneRegion(container->clip, &newClip);
1017     if(sts != Ok){
1018         GdipDeleteMatrix(newTrans);
1019         return sts;
1020     }
1021
1022     GdipDeleteMatrix(graphics->worldtrans);
1023     graphics->worldtrans = newTrans;
1024
1025     GdipDeleteRegion(graphics->clip);
1026     graphics->clip = newClip;
1027
1028     graphics->contid = container->contid - 1;
1029
1030     graphics->smoothing = container->smoothing;
1031     graphics->compqual = container->compqual;
1032     graphics->interpolation = container->interpolation;
1033     graphics->compmode = container->compmode;
1034     graphics->texthint = container->texthint;
1035     graphics->scale = container->scale;
1036     graphics->unit = container->unit;
1037     graphics->textcontrast = container->textcontrast;
1038     graphics->pixeloffset = container->pixeloffset;
1039
1040     return Ok;
1041 }
1042
1043 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1044 {
1045     RECT wnd_rect;
1046
1047     if(graphics->hwnd) {
1048         if(!GetClientRect(graphics->hwnd, &wnd_rect))
1049             return GenericError;
1050
1051         rect->X = wnd_rect.left;
1052         rect->Y = wnd_rect.top;
1053         rect->Width = wnd_rect.right - wnd_rect.left;
1054         rect->Height = wnd_rect.bottom - wnd_rect.top;
1055     }else{
1056         rect->X = 0;
1057         rect->Y = 0;
1058         rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1059         rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1060     }
1061
1062     return Ok;
1063 }
1064
1065 /* on success, rgn will contain the region of the graphics object which
1066  * is visible after clipping has been applied */
1067 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
1068 {
1069     GpStatus stat;
1070     GpRectF rectf;
1071     GpRegion* tmp;
1072
1073     if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
1074         return stat;
1075
1076     if((stat = GdipCreateRegion(&tmp)) != Ok)
1077         return stat;
1078
1079     if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
1080         goto end;
1081
1082     if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
1083         goto end;
1084
1085     stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
1086
1087 end:
1088     GdipDeleteRegion(tmp);
1089     return stat;
1090 }
1091
1092 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
1093 {
1094     TRACE("(%p, %p)\n", hdc, graphics);
1095
1096     return GdipCreateFromHDC2(hdc, NULL, graphics);
1097 }
1098
1099 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
1100 {
1101     GpStatus retval;
1102
1103     TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
1104
1105     if(hDevice != NULL) {
1106         FIXME("Don't know how to handle parameter hDevice\n");
1107         return NotImplemented;
1108     }
1109
1110     if(hdc == NULL)
1111         return OutOfMemory;
1112
1113     if(graphics == NULL)
1114         return InvalidParameter;
1115
1116     *graphics = GdipAlloc(sizeof(GpGraphics));
1117     if(!*graphics)  return OutOfMemory;
1118
1119     if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1120         GdipFree(*graphics);
1121         return retval;
1122     }
1123
1124     if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1125         GdipFree((*graphics)->worldtrans);
1126         GdipFree(*graphics);
1127         return retval;
1128     }
1129
1130     (*graphics)->hdc = hdc;
1131     (*graphics)->hwnd = WindowFromDC(hdc);
1132     (*graphics)->owndc = FALSE;
1133     (*graphics)->smoothing = SmoothingModeDefault;
1134     (*graphics)->compqual = CompositingQualityDefault;
1135     (*graphics)->interpolation = InterpolationModeDefault;
1136     (*graphics)->pixeloffset = PixelOffsetModeDefault;
1137     (*graphics)->compmode = CompositingModeSourceOver;
1138     (*graphics)->unit = UnitDisplay;
1139     (*graphics)->scale = 1.0;
1140     (*graphics)->busy = FALSE;
1141     (*graphics)->textcontrast = 4;
1142     list_init(&(*graphics)->containers);
1143     (*graphics)->contid = 0;
1144
1145     return Ok;
1146 }
1147
1148 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
1149 {
1150     GpStatus ret;
1151     HDC hdc;
1152
1153     TRACE("(%p, %p)\n", hwnd, graphics);
1154
1155     hdc = GetDC(hwnd);
1156
1157     if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1158     {
1159         ReleaseDC(hwnd, hdc);
1160         return ret;
1161     }
1162
1163     (*graphics)->hwnd = hwnd;
1164     (*graphics)->owndc = TRUE;
1165
1166     return Ok;
1167 }
1168
1169 /* FIXME: no icm handling */
1170 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1171 {
1172     TRACE("(%p, %p)\n", hwnd, graphics);
1173
1174     return GdipCreateFromHWND(hwnd, graphics);
1175 }
1176
1177 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1178     GpMetafile **metafile)
1179 {
1180     static int calls;
1181
1182     if(!hemf || !metafile)
1183         return InvalidParameter;
1184
1185     if(!(calls++))
1186         FIXME("not implemented\n");
1187
1188     return NotImplemented;
1189 }
1190
1191 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1192     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1193 {
1194     IStream *stream = NULL;
1195     UINT read;
1196     BYTE* copy;
1197     HENHMETAFILE hemf;
1198     GpStatus retval = GenericError;
1199
1200     TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1201
1202     if(!hwmf || !metafile || !placeable)
1203         return InvalidParameter;
1204
1205     *metafile = NULL;
1206     read = GetMetaFileBitsEx(hwmf, 0, NULL);
1207     if(!read)
1208         return GenericError;
1209     copy = GdipAlloc(read);
1210     GetMetaFileBitsEx(hwmf, read, copy);
1211
1212     hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1213     GdipFree(copy);
1214
1215     read = GetEnhMetaFileBits(hemf, 0, NULL);
1216     copy = GdipAlloc(read);
1217     GetEnhMetaFileBits(hemf, read, copy);
1218     DeleteEnhMetaFile(hemf);
1219
1220     if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1221         ERR("could not make stream\n");
1222         GdipFree(copy);
1223         goto err;
1224     }
1225
1226     *metafile = GdipAlloc(sizeof(GpMetafile));
1227     if(!*metafile){
1228         retval = OutOfMemory;
1229         goto err;
1230     }
1231
1232     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1233         (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1234         goto err;
1235
1236
1237     (*metafile)->image.type = ImageTypeMetafile;
1238     (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1239     (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Right) / ((REAL) placeable->Inch);
1240     (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1241                     - placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
1242     (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1243                    - placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
1244     (*metafile)->unit = UnitInch;
1245
1246     if(delete)
1247         DeleteMetaFile(hwmf);
1248
1249     return Ok;
1250
1251 err:
1252     GdipFree(*metafile);
1253     IStream_Release(stream);
1254     return retval;
1255 }
1256
1257 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1258     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1259 {
1260     HMETAFILE hmf = GetMetaFileW(file);
1261
1262     TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1263
1264     if(!hmf) return InvalidParameter;
1265
1266     return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1267 }
1268
1269 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
1270     GpMetafile **metafile)
1271 {
1272     FIXME("(%p, %p): stub\n", file, metafile);
1273     return NotImplemented;
1274 }
1275
1276 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
1277     GpMetafile **metafile)
1278 {
1279     FIXME("(%p, %p): stub\n", stream, metafile);
1280     return NotImplemented;
1281 }
1282
1283 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1284     UINT access, IStream **stream)
1285 {
1286     DWORD dwMode;
1287     HRESULT ret;
1288
1289     TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1290
1291     if(!stream || !filename)
1292         return InvalidParameter;
1293
1294     if(access & GENERIC_WRITE)
1295         dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1296     else if(access & GENERIC_READ)
1297         dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1298     else
1299         return InvalidParameter;
1300
1301     ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1302
1303     return hresult_to_status(ret);
1304 }
1305
1306 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1307 {
1308     GraphicsContainerItem *cont, *next;
1309     TRACE("(%p)\n", graphics);
1310
1311     if(!graphics) return InvalidParameter;
1312     if(graphics->busy) return ObjectBusy;
1313
1314     if(graphics->owndc)
1315         ReleaseDC(graphics->hwnd, graphics->hdc);
1316
1317     LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
1318         list_remove(&cont->entry);
1319         delete_container(cont);
1320     }
1321
1322     GdipDeleteRegion(graphics->clip);
1323     GdipDeleteMatrix(graphics->worldtrans);
1324     GdipFree(graphics);
1325
1326     return Ok;
1327 }
1328
1329 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1330     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1331 {
1332     INT save_state, num_pts;
1333     GpPointF points[MAX_ARC_PTS];
1334     GpStatus retval;
1335
1336     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1337           width, height, startAngle, sweepAngle);
1338
1339     if(!graphics || !pen || width <= 0 || height <= 0)
1340         return InvalidParameter;
1341
1342     if(graphics->busy)
1343         return ObjectBusy;
1344
1345     num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
1346
1347     save_state = prepare_dc(graphics, pen);
1348
1349     retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
1350
1351     restore_dc(graphics, save_state);
1352
1353     return retval;
1354 }
1355
1356 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
1357     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1358 {
1359     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1360           width, height, startAngle, sweepAngle);
1361
1362     return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1363 }
1364
1365 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
1366     REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
1367 {
1368     INT save_state;
1369     GpPointF pt[4];
1370     GpStatus retval;
1371
1372     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
1373           x2, y2, x3, y3, x4, y4);
1374
1375     if(!graphics || !pen)
1376         return InvalidParameter;
1377
1378     if(graphics->busy)
1379         return ObjectBusy;
1380
1381     pt[0].X = x1;
1382     pt[0].Y = y1;
1383     pt[1].X = x2;
1384     pt[1].Y = y2;
1385     pt[2].X = x3;
1386     pt[2].Y = y3;
1387     pt[3].X = x4;
1388     pt[3].Y = y4;
1389
1390     save_state = prepare_dc(graphics, pen);
1391
1392     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1393
1394     restore_dc(graphics, save_state);
1395
1396     return retval;
1397 }
1398
1399 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
1400     INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
1401 {
1402     INT save_state;
1403     GpPointF pt[4];
1404     GpStatus retval;
1405
1406     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
1407           x2, y2, x3, y3, x4, y4);
1408
1409     if(!graphics || !pen)
1410         return InvalidParameter;
1411
1412     if(graphics->busy)
1413         return ObjectBusy;
1414
1415     pt[0].X = x1;
1416     pt[0].Y = y1;
1417     pt[1].X = x2;
1418     pt[1].Y = y2;
1419     pt[2].X = x3;
1420     pt[2].Y = y3;
1421     pt[3].X = x4;
1422     pt[3].Y = y4;
1423
1424     save_state = prepare_dc(graphics, pen);
1425
1426     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1427
1428     restore_dc(graphics, save_state);
1429
1430     return retval;
1431 }
1432
1433 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
1434     GDIPCONST GpPointF *points, INT count)
1435 {
1436     INT i;
1437     GpStatus ret;
1438
1439     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1440
1441     if(!graphics || !pen || !points || (count <= 0))
1442         return InvalidParameter;
1443
1444     if(graphics->busy)
1445         return ObjectBusy;
1446
1447     for(i = 0; i < floor(count / 4); i++){
1448         ret = GdipDrawBezier(graphics, pen,
1449                              points[4*i].X, points[4*i].Y,
1450                              points[4*i + 1].X, points[4*i + 1].Y,
1451                              points[4*i + 2].X, points[4*i + 2].Y,
1452                              points[4*i + 3].X, points[4*i + 3].Y);
1453         if(ret != Ok)
1454             return ret;
1455     }
1456
1457     return Ok;
1458 }
1459
1460 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
1461     GDIPCONST GpPoint *points, INT count)
1462 {
1463     GpPointF *pts;
1464     GpStatus ret;
1465     INT i;
1466
1467     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1468
1469     if(!graphics || !pen || !points || (count <= 0))
1470         return InvalidParameter;
1471
1472     if(graphics->busy)
1473         return ObjectBusy;
1474
1475     pts = GdipAlloc(sizeof(GpPointF) * count);
1476     if(!pts)
1477         return OutOfMemory;
1478
1479     for(i = 0; i < count; i++){
1480         pts[i].X = (REAL)points[i].X;
1481         pts[i].Y = (REAL)points[i].Y;
1482     }
1483
1484     ret = GdipDrawBeziers(graphics,pen,pts,count);
1485
1486     GdipFree(pts);
1487
1488     return ret;
1489 }
1490
1491 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
1492     GDIPCONST GpPointF *points, INT count)
1493 {
1494     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1495
1496     return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
1497 }
1498
1499 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
1500     GDIPCONST GpPoint *points, INT count)
1501 {
1502     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1503
1504     return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
1505 }
1506
1507 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
1508     GDIPCONST GpPointF *points, INT count, REAL tension)
1509 {
1510     GpPath *path;
1511     GpStatus stat;
1512
1513     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1514
1515     if(!graphics || !pen || !points || count <= 0)
1516         return InvalidParameter;
1517
1518     if(graphics->busy)
1519         return ObjectBusy;
1520
1521     if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
1522         return stat;
1523
1524     stat = GdipAddPathClosedCurve2(path, points, count, tension);
1525     if(stat != Ok){
1526         GdipDeletePath(path);
1527         return stat;
1528     }
1529
1530     stat = GdipDrawPath(graphics, pen, path);
1531
1532     GdipDeletePath(path);
1533
1534     return stat;
1535 }
1536
1537 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
1538     GDIPCONST GpPoint *points, INT count, REAL tension)
1539 {
1540     GpPointF *ptf;
1541     GpStatus stat;
1542     INT i;
1543
1544     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1545
1546     if(!points || count <= 0)
1547         return InvalidParameter;
1548
1549     ptf = GdipAlloc(sizeof(GpPointF)*count);
1550     if(!ptf)
1551         return OutOfMemory;
1552
1553     for(i = 0; i < count; i++){
1554         ptf[i].X = (REAL)points[i].X;
1555         ptf[i].Y = (REAL)points[i].Y;
1556     }
1557
1558     stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
1559
1560     GdipFree(ptf);
1561
1562     return stat;
1563 }
1564
1565 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
1566     GDIPCONST GpPointF *points, INT count)
1567 {
1568     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1569
1570     return GdipDrawCurve2(graphics,pen,points,count,1.0);
1571 }
1572
1573 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
1574     GDIPCONST GpPoint *points, INT count)
1575 {
1576     GpPointF *pointsF;
1577     GpStatus ret;
1578     INT i;
1579
1580     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1581
1582     if(!points)
1583         return InvalidParameter;
1584
1585     pointsF = GdipAlloc(sizeof(GpPointF)*count);
1586     if(!pointsF)
1587         return OutOfMemory;
1588
1589     for(i = 0; i < count; i++){
1590         pointsF[i].X = (REAL)points[i].X;
1591         pointsF[i].Y = (REAL)points[i].Y;
1592     }
1593
1594     ret = GdipDrawCurve(graphics,pen,pointsF,count);
1595     GdipFree(pointsF);
1596
1597     return ret;
1598 }
1599
1600 /* Approximates cardinal spline with Bezier curves. */
1601 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
1602     GDIPCONST GpPointF *points, INT count, REAL tension)
1603 {
1604     /* PolyBezier expects count*3-2 points. */
1605     INT i, len_pt = count*3-2, save_state;
1606     GpPointF *pt;
1607     REAL x1, x2, y1, y2;
1608     GpStatus retval;
1609
1610     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1611
1612     if(!graphics || !pen)
1613         return InvalidParameter;
1614
1615     if(graphics->busy)
1616         return ObjectBusy;
1617
1618     if(count < 2)
1619         return InvalidParameter;
1620
1621     pt = GdipAlloc(len_pt * sizeof(GpPointF));
1622     if(!pt)
1623         return OutOfMemory;
1624
1625     tension = tension * TENSION_CONST;
1626
1627     calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
1628         tension, &x1, &y1);
1629
1630     pt[0].X = points[0].X;
1631     pt[0].Y = points[0].Y;
1632     pt[1].X = x1;
1633     pt[1].Y = y1;
1634
1635     for(i = 0; i < count-2; i++){
1636         calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
1637
1638         pt[3*i+2].X = x1;
1639         pt[3*i+2].Y = y1;
1640         pt[3*i+3].X = points[i+1].X;
1641         pt[3*i+3].Y = points[i+1].Y;
1642         pt[3*i+4].X = x2;
1643         pt[3*i+4].Y = y2;
1644     }
1645
1646     calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
1647         points[count-2].X, points[count-2].Y, tension, &x1, &y1);
1648
1649     pt[len_pt-2].X = x1;
1650     pt[len_pt-2].Y = y1;
1651     pt[len_pt-1].X = points[count-1].X;
1652     pt[len_pt-1].Y = points[count-1].Y;
1653
1654     save_state = prepare_dc(graphics, pen);
1655
1656     retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
1657
1658     GdipFree(pt);
1659     restore_dc(graphics, save_state);
1660
1661     return retval;
1662 }
1663
1664 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
1665     GDIPCONST GpPoint *points, INT count, REAL tension)
1666 {
1667     GpPointF *pointsF;
1668     GpStatus ret;
1669     INT i;
1670
1671     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1672
1673     if(!points)
1674         return InvalidParameter;
1675
1676     pointsF = GdipAlloc(sizeof(GpPointF)*count);
1677     if(!pointsF)
1678         return OutOfMemory;
1679
1680     for(i = 0; i < count; i++){
1681         pointsF[i].X = (REAL)points[i].X;
1682         pointsF[i].Y = (REAL)points[i].Y;
1683     }
1684
1685     ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
1686     GdipFree(pointsF);
1687
1688     return ret;
1689 }
1690
1691 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
1692     GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
1693     REAL tension)
1694 {
1695     TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
1696
1697     if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
1698         return InvalidParameter;
1699     }
1700
1701     return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
1702 }
1703
1704 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
1705     GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
1706     REAL tension)
1707 {
1708     TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
1709
1710     if(count < 0){
1711         return OutOfMemory;
1712     }
1713
1714     if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
1715         return InvalidParameter;
1716     }
1717
1718     return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
1719 }
1720
1721 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
1722     REAL y, REAL width, REAL height)
1723 {
1724     INT save_state;
1725     GpPointF ptf[2];
1726     POINT pti[2];
1727
1728     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1729
1730     if(!graphics || !pen)
1731         return InvalidParameter;
1732
1733     if(graphics->busy)
1734         return ObjectBusy;
1735
1736     ptf[0].X = x;
1737     ptf[0].Y = y;
1738     ptf[1].X = x + width;
1739     ptf[1].Y = y + height;
1740
1741     save_state = prepare_dc(graphics, pen);
1742     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1743
1744     transform_and_round_points(graphics, pti, ptf, 2);
1745
1746     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1747
1748     restore_dc(graphics, save_state);
1749
1750     return Ok;
1751 }
1752
1753 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
1754     INT y, INT width, INT height)
1755 {
1756     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1757
1758     return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1759 }
1760
1761
1762 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
1763 {
1764     UINT width, height;
1765     GpPointF points[3];
1766
1767     TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
1768
1769     if(!graphics || !image)
1770         return InvalidParameter;
1771
1772     GdipGetImageWidth(image, &width);
1773     GdipGetImageHeight(image, &height);
1774
1775     /* FIXME: we should use the graphics and image dpi, somehow */
1776
1777     points[0].X = points[2].X = x;
1778     points[0].Y = points[1].Y = y;
1779     points[1].X = x + width;
1780     points[2].Y = y + height;
1781
1782     return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
1783         UnitPixel, NULL, NULL, NULL);
1784 }
1785
1786 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
1787     INT y)
1788 {
1789     TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
1790
1791     return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
1792 }
1793
1794 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
1795     REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
1796     GpUnit srcUnit)
1797 {
1798     FIXME("(%p, %p, %f, %f, %f, %f, %f, %f, %d): stub\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
1799     return NotImplemented;
1800 }
1801
1802 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
1803     INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
1804     GpUnit srcUnit)
1805 {
1806     FIXME("(%p, %p, %d, %d, %d, %d, %d, %d, %d): stub\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
1807     return NotImplemented;
1808 }
1809
1810 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
1811     GDIPCONST GpPointF *dstpoints, INT count)
1812 {
1813     FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
1814     return NotImplemented;
1815 }
1816
1817 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
1818     GDIPCONST GpPoint *dstpoints, INT count)
1819 {
1820     FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
1821     return NotImplemented;
1822 }
1823
1824 /* FIXME: partially implemented (only works for rectangular parallelograms) */
1825 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
1826      GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
1827      REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1828      DrawImageAbort callback, VOID * callbackData)
1829 {
1830     GpPointF ptf[3];
1831     POINT pti[3];
1832     REAL dx, dy;
1833
1834     TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
1835           count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1836           callbackData);
1837
1838     if(!graphics || !image || !points || count != 3)
1839          return InvalidParameter;
1840
1841     memcpy(ptf, points, 3 * sizeof(GpPointF));
1842     transform_and_round_points(graphics, pti, ptf, 3);
1843
1844     if (image->picture)
1845     {
1846         if(srcUnit == UnitInch)
1847             dx = dy = (REAL) INCH_HIMETRIC;
1848         else if(srcUnit == UnitPixel){
1849             dx = ((REAL) INCH_HIMETRIC) /
1850                  ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1851             dy = ((REAL) INCH_HIMETRIC) /
1852                  ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1853         }
1854         else
1855             return NotImplemented;
1856
1857         /* IPicture renders bitmaps with the y-axis reversed
1858          * FIXME: flipping for unknown image type might not be correct. */
1859         if(image->type != ImageTypeMetafile){
1860             INT temp;
1861             temp = pti[0].y;
1862             pti[0].y = pti[2].y;
1863             pti[2].y = temp;
1864         }
1865
1866         if(IPicture_Render(image->picture, graphics->hdc,
1867             pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1868             srcx * dx, srcy * dy,
1869             srcwidth * dx, srcheight * dy,
1870             NULL) != S_OK){
1871             if(callback)
1872                 callback(callbackData);
1873             return GenericError;
1874         }
1875     }
1876     else if (image->type == ImageTypeBitmap && ((GpBitmap*)image)->hbitmap)
1877     {
1878         HDC hdc;
1879         GpBitmap* bitmap = (GpBitmap*)image;
1880         int bm_is_selected;
1881         HBITMAP old_hbm=NULL;
1882
1883         if (srcUnit == UnitInch)
1884             dx = dy = 96.0; /* FIXME: use the image resolution */
1885         else if (srcUnit == UnitPixel)
1886             dx = dy = 1.0;
1887         else
1888             return NotImplemented;
1889
1890         hdc = bitmap->hdc;
1891         bm_is_selected = (hdc != 0);
1892
1893         if (!bm_is_selected)
1894         {
1895             hdc = CreateCompatibleDC(0);
1896             old_hbm = SelectObject(hdc, bitmap->hbitmap);
1897         }
1898
1899         /* FIXME: maybe alpha blend depending on the format */
1900         StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
1901             hdc, srcx*dx, srcy*dy, srcwidth*dx, srcheight*dy, SRCCOPY);
1902
1903         if (!bm_is_selected)
1904         {
1905             SelectObject(hdc, old_hbm);
1906             DeleteDC(hdc);
1907         }
1908     }
1909     else
1910     {
1911         ERR("GpImage with no IPicture or HBITMAP?!\n");
1912         return NotImplemented;
1913     }
1914
1915     return Ok;
1916 }
1917
1918 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
1919      GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
1920      INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1921      DrawImageAbort callback, VOID * callbackData)
1922 {
1923     GpPointF pointsF[3];
1924     INT i;
1925
1926     TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
1927           srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1928           callbackData);
1929
1930     if(!points || count!=3)
1931         return InvalidParameter;
1932
1933     for(i = 0; i < count; i++){
1934         pointsF[i].X = (REAL)points[i].X;
1935         pointsF[i].Y = (REAL)points[i].Y;
1936     }
1937
1938     return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
1939                                    (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
1940                                    callback, callbackData);
1941 }
1942
1943 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
1944     REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
1945     REAL srcwidth, REAL srcheight, GpUnit srcUnit,
1946     GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
1947     VOID * callbackData)
1948 {
1949     GpPointF points[3];
1950
1951     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
1952           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1953           srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1954
1955     points[0].X = dstx;
1956     points[0].Y = dsty;
1957     points[1].X = dstx + dstwidth;
1958     points[1].Y = dsty;
1959     points[2].X = dstx;
1960     points[2].Y = dsty + dstheight;
1961
1962     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1963                srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1964 }
1965
1966 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
1967         INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
1968         INT srcwidth, INT srcheight, GpUnit srcUnit,
1969         GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
1970         VOID * callbackData)
1971 {
1972     GpPointF points[3];
1973
1974     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
1975           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1976           srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1977
1978     points[0].X = dstx;
1979     points[0].Y = dsty;
1980     points[1].X = dstx + dstwidth;
1981     points[1].Y = dsty;
1982     points[2].X = dstx;
1983     points[2].Y = dsty + dstheight;
1984
1985     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1986                srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1987 }
1988
1989 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
1990     REAL x, REAL y, REAL width, REAL height)
1991 {
1992     RectF bounds;
1993     GpUnit unit;
1994     GpStatus ret;
1995
1996     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
1997
1998     if(!graphics || !image)
1999         return InvalidParameter;
2000
2001     ret = GdipGetImageBounds(image, &bounds, &unit);
2002     if(ret != Ok)
2003         return ret;
2004
2005     return GdipDrawImageRectRect(graphics, image, x, y, width, height,
2006                                  bounds.X, bounds.Y, bounds.Width, bounds.Height,
2007                                  unit, NULL, NULL, NULL);
2008 }
2009
2010 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
2011     INT x, INT y, INT width, INT height)
2012 {
2013     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
2014
2015     return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
2016 }
2017
2018 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
2019     REAL y1, REAL x2, REAL y2)
2020 {
2021     INT save_state;
2022     GpPointF pt[2];
2023     GpStatus retval;
2024
2025     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
2026
2027     if(!pen || !graphics)
2028         return InvalidParameter;
2029
2030     if(graphics->busy)
2031         return ObjectBusy;
2032
2033     pt[0].X = x1;
2034     pt[0].Y = y1;
2035     pt[1].X = x2;
2036     pt[1].Y = y2;
2037
2038     save_state = prepare_dc(graphics, pen);
2039
2040     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2041
2042     restore_dc(graphics, save_state);
2043
2044     return retval;
2045 }
2046
2047 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
2048     INT y1, INT x2, INT y2)
2049 {
2050     INT save_state;
2051     GpPointF pt[2];
2052     GpStatus retval;
2053
2054     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
2055
2056     if(!pen || !graphics)
2057         return InvalidParameter;
2058
2059     if(graphics->busy)
2060         return ObjectBusy;
2061
2062     pt[0].X = (REAL)x1;
2063     pt[0].Y = (REAL)y1;
2064     pt[1].X = (REAL)x2;
2065     pt[1].Y = (REAL)y2;
2066
2067     save_state = prepare_dc(graphics, pen);
2068
2069     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2070
2071     restore_dc(graphics, save_state);
2072
2073     return retval;
2074 }
2075
2076 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
2077     GpPointF *points, INT count)
2078 {
2079     INT save_state;
2080     GpStatus retval;
2081
2082     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2083
2084     if(!pen || !graphics || (count < 2))
2085         return InvalidParameter;
2086
2087     if(graphics->busy)
2088         return ObjectBusy;
2089
2090     save_state = prepare_dc(graphics, pen);
2091
2092     retval = draw_polyline(graphics, pen, points, count, TRUE);
2093
2094     restore_dc(graphics, save_state);
2095
2096     return retval;
2097 }
2098
2099 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
2100     GpPoint *points, INT count)
2101 {
2102     INT save_state;
2103     GpStatus retval;
2104     GpPointF *ptf = NULL;
2105     int i;
2106
2107     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2108
2109     if(!pen || !graphics || (count < 2))
2110         return InvalidParameter;
2111
2112     if(graphics->busy)
2113         return ObjectBusy;
2114
2115     ptf = GdipAlloc(count * sizeof(GpPointF));
2116     if(!ptf) return OutOfMemory;
2117
2118     for(i = 0; i < count; i ++){
2119         ptf[i].X = (REAL) points[i].X;
2120         ptf[i].Y = (REAL) points[i].Y;
2121     }
2122
2123     save_state = prepare_dc(graphics, pen);
2124
2125     retval = draw_polyline(graphics, pen, ptf, count, TRUE);
2126
2127     restore_dc(graphics, save_state);
2128
2129     GdipFree(ptf);
2130     return retval;
2131 }
2132
2133 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
2134 {
2135     INT save_state;
2136     GpStatus retval;
2137
2138     TRACE("(%p, %p, %p)\n", graphics, pen, path);
2139
2140     if(!pen || !graphics)
2141         return InvalidParameter;
2142
2143     if(graphics->busy)
2144         return ObjectBusy;
2145
2146     save_state = prepare_dc(graphics, pen);
2147
2148     retval = draw_poly(graphics, pen, path->pathdata.Points,
2149                        path->pathdata.Types, path->pathdata.Count, TRUE);
2150
2151     restore_dc(graphics, save_state);
2152
2153     return retval;
2154 }
2155
2156 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
2157     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2158 {
2159     INT save_state;
2160
2161     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2162             width, height, startAngle, sweepAngle);
2163
2164     if(!graphics || !pen)
2165         return InvalidParameter;
2166
2167     if(graphics->busy)
2168         return ObjectBusy;
2169
2170     save_state = prepare_dc(graphics, pen);
2171     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2172
2173     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2174
2175     restore_dc(graphics, save_state);
2176
2177     return Ok;
2178 }
2179
2180 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
2181     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2182 {
2183     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2184             width, height, startAngle, sweepAngle);
2185
2186     return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2187 }
2188
2189 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
2190     REAL y, REAL width, REAL height)
2191 {
2192     INT save_state;
2193     GpPointF ptf[4];
2194     POINT pti[4];
2195
2196     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2197
2198     if(!pen || !graphics)
2199         return InvalidParameter;
2200
2201     if(graphics->busy)
2202         return ObjectBusy;
2203
2204     ptf[0].X = x;
2205     ptf[0].Y = y;
2206     ptf[1].X = x + width;
2207     ptf[1].Y = y;
2208     ptf[2].X = x + width;
2209     ptf[2].Y = y + height;
2210     ptf[3].X = x;
2211     ptf[3].Y = y + height;
2212
2213     save_state = prepare_dc(graphics, pen);
2214     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2215
2216     transform_and_round_points(graphics, pti, ptf, 4);
2217     Polygon(graphics->hdc, pti, 4);
2218
2219     restore_dc(graphics, save_state);
2220
2221     return Ok;
2222 }
2223
2224 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
2225     INT y, INT width, INT height)
2226 {
2227     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2228
2229     return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2230 }
2231
2232 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
2233     GDIPCONST GpRectF* rects, INT count)
2234 {
2235     GpPointF *ptf;
2236     POINT *pti;
2237     INT save_state, i;
2238
2239     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2240
2241     if(!graphics || !pen || !rects || count < 1)
2242         return InvalidParameter;
2243
2244     if(graphics->busy)
2245         return ObjectBusy;
2246
2247     ptf = GdipAlloc(4 * count * sizeof(GpPointF));
2248     pti = GdipAlloc(4 * count * sizeof(POINT));
2249
2250     if(!ptf || !pti){
2251         GdipFree(ptf);
2252         GdipFree(pti);
2253         return OutOfMemory;
2254     }
2255
2256     for(i = 0; i < count; i++){
2257         ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
2258         ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
2259         ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
2260         ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
2261     }
2262
2263     save_state = prepare_dc(graphics, pen);
2264     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2265
2266     transform_and_round_points(graphics, pti, ptf, 4 * count);
2267
2268     for(i = 0; i < count; i++)
2269         Polygon(graphics->hdc, &pti[4 * i], 4);
2270
2271     restore_dc(graphics, save_state);
2272
2273     GdipFree(ptf);
2274     GdipFree(pti);
2275
2276     return Ok;
2277 }
2278
2279 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
2280     GDIPCONST GpRect* rects, INT count)
2281 {
2282     GpRectF *rectsF;
2283     GpStatus ret;
2284     INT i;
2285
2286     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2287
2288     if(!rects || count<=0)
2289         return InvalidParameter;
2290
2291     rectsF = GdipAlloc(sizeof(GpRectF) * count);
2292     if(!rectsF)
2293         return OutOfMemory;
2294
2295     for(i = 0;i < count;i++){
2296         rectsF[i].X      = (REAL)rects[i].X;
2297         rectsF[i].Y      = (REAL)rects[i].Y;
2298         rectsF[i].Width  = (REAL)rects[i].Width;
2299         rectsF[i].Height = (REAL)rects[i].Height;
2300     }
2301
2302     ret = GdipDrawRectangles(graphics, pen, rectsF, count);
2303     GdipFree(rectsF);
2304
2305     return ret;
2306 }
2307
2308 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
2309     INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
2310     GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
2311 {
2312     HRGN rgn = NULL;
2313     HFONT gdifont;
2314     LOGFONTW lfw;
2315     TEXTMETRICW textmet;
2316     GpPointF pt[2], rectcpy[4];
2317     POINT corners[4];
2318     WCHAR* stringdup;
2319     REAL angle, ang_cos, ang_sin, rel_width, rel_height;
2320     INT sum = 0, height = 0, offsety = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
2321         nheight, lineend;
2322     SIZE size;
2323     POINT drawbase;
2324     UINT drawflags;
2325     RECT drawcoord;
2326
2327     TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
2328         length, font, debugstr_rectf(rect), format, brush);
2329
2330     if(!graphics || !string || !font || !brush || !rect)
2331         return InvalidParameter;
2332
2333     if((brush->bt != BrushTypeSolidColor)){
2334         FIXME("not implemented for given parameters\n");
2335         return NotImplemented;
2336     }
2337
2338     if(format){
2339         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2340
2341         /* Should be no need to explicitly test for StringAlignmentNear as
2342          * that is default behavior if no alignment is passed. */
2343         if(format->vertalign != StringAlignmentNear){
2344             RectF bounds;
2345             GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
2346
2347             if(format->vertalign == StringAlignmentCenter)
2348                 offsety = (rect->Height - bounds.Height) / 2;
2349             else if(format->vertalign == StringAlignmentFar)
2350                 offsety = (rect->Height - bounds.Height);
2351         }
2352     }
2353
2354     if(length == -1) length = lstrlenW(string);
2355
2356     stringdup = GdipAlloc(length * sizeof(WCHAR));
2357     if(!stringdup) return OutOfMemory;
2358
2359     save_state = SaveDC(graphics->hdc);
2360     SetBkMode(graphics->hdc, TRANSPARENT);
2361     SetTextColor(graphics->hdc, brush->lb.lbColor);
2362
2363     rectcpy[3].X = rectcpy[0].X = rect->X;
2364     rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
2365     rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
2366     rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
2367     transform_and_round_points(graphics, corners, rectcpy, 4);
2368
2369     if (roundr(rect->Width) == 0)
2370     {
2371         rel_width = 1.0;
2372         nwidth = INT_MAX;
2373     }
2374     else
2375     {
2376         rel_width = sqrt((corners[1].x - corners[0].x) * (corners[1].x - corners[0].x) +
2377                          (corners[1].y - corners[0].y) * (corners[1].y - corners[0].y))
2378                          / rect->Width;
2379         nwidth = roundr(rel_width * rect->Width);
2380     }
2381
2382     if (roundr(rect->Height) == 0)
2383     {
2384         rel_height = 1.0;
2385         nheight = INT_MAX;
2386     }
2387     else
2388     {
2389         rel_height = sqrt((corners[2].x - corners[1].x) * (corners[2].x - corners[1].x) +
2390                           (corners[2].y - corners[1].y) * (corners[2].y - corners[1].y))
2391                           / rect->Height;
2392         nheight = roundr(rel_height * rect->Height);
2393     }
2394
2395     if (roundr(rect->Width) != 0 && roundr(rect->Height) != 0)
2396     {
2397         /* FIXME: If only the width or only the height is 0, we should probably still clip */
2398         rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
2399         SelectClipRgn(graphics->hdc, rgn);
2400     }
2401
2402     /* Use gdi to find the font, then perform transformations on it (height,
2403      * width, angle). */
2404     SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2405     GetTextMetricsW(graphics->hdc, &textmet);
2406     lfw = font->lfw;
2407
2408     lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
2409     lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
2410
2411     pt[0].X = 0.0;
2412     pt[0].Y = 0.0;
2413     pt[1].X = 1.0;
2414     pt[1].Y = 0.0;
2415     GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
2416     angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2417     ang_cos = cos(angle);
2418     ang_sin = sin(angle);
2419     lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
2420
2421     gdifont = CreateFontIndirectW(&lfw);
2422     DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
2423
2424     for(i = 0, j = 0; i < length; i++){
2425         if(!isprintW(string[i]) && (string[i] != '\n'))
2426             continue;
2427
2428         stringdup[j] = string[i];
2429         j++;
2430     }
2431
2432     length = j;
2433
2434     if (!format || format->align == StringAlignmentNear)
2435     {
2436         drawbase.x = corners[0].x;
2437         drawbase.y = corners[0].y;
2438         drawflags = DT_NOCLIP | DT_EXPANDTABS;
2439     }
2440     else if (format->align == StringAlignmentCenter)
2441     {
2442         drawbase.x = (corners[0].x + corners[1].x)/2;
2443         drawbase.y = (corners[0].y + corners[1].y)/2;
2444         drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_CENTER;
2445     }
2446     else /* (format->align == StringAlignmentFar) */
2447     {
2448         drawbase.x = corners[1].x;
2449         drawbase.y = corners[1].y;
2450         drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_RIGHT;
2451     }
2452
2453     while(sum < length){
2454         drawcoord.left = drawcoord.right = drawbase.x + roundr(ang_sin * (REAL) height);
2455         drawcoord.top = drawcoord.bottom = drawbase.y + roundr(ang_cos * (REAL) height);
2456
2457         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2458                               nwidth, &fit, NULL, &size);
2459         fitcpy = fit;
2460
2461         if(fit == 0){
2462             DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, drawflags);
2463             break;
2464         }
2465
2466         for(lret = 0; lret < fit; lret++)
2467             if(*(stringdup + sum + lret) == '\n')
2468                 break;
2469
2470         /* Line break code (may look strange, but it imitates windows). */
2471         if(lret < fit)
2472             lineend = fit = lret;    /* this is not an off-by-one error */
2473         else if(fit < (length - sum)){
2474             if(*(stringdup + sum + fit) == ' ')
2475                 while(*(stringdup + sum + fit) == ' ')
2476                     fit++;
2477             else
2478                 while(*(stringdup + sum + fit - 1) != ' '){
2479                     fit--;
2480
2481                     if(*(stringdup + sum + fit) == '\t')
2482                         break;
2483
2484                     if(fit == 0){
2485                         fit = fitcpy;
2486                         break;
2487                     }
2488                 }
2489             lineend = fit;
2490             while(*(stringdup + sum + lineend - 1) == ' ' ||
2491                   *(stringdup + sum + lineend - 1) == '\t')
2492                 lineend--;
2493         }
2494         else
2495             lineend = fit;
2496         DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, lineend),
2497                   &drawcoord, drawflags);
2498
2499         sum += fit + (lret < fitcpy ? 1 : 0);
2500         height += size.cy;
2501
2502         if(height > nheight)
2503             break;
2504
2505         /* Stop if this was a linewrap (but not if it was a linebreak). */
2506         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2507             break;
2508     }
2509
2510     GdipFree(stringdup);
2511     DeleteObject(rgn);
2512     DeleteObject(gdifont);
2513
2514     RestoreDC(graphics->hdc, save_state);
2515
2516     return Ok;
2517 }
2518
2519 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
2520     GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
2521 {
2522     GpPath *path;
2523     GpStatus stat;
2524
2525     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2526             count, tension, fill);
2527
2528     if(!graphics || !brush || !points)
2529         return InvalidParameter;
2530
2531     if(graphics->busy)
2532         return ObjectBusy;
2533
2534     stat = GdipCreatePath(fill, &path);
2535     if(stat != Ok)
2536         return stat;
2537
2538     stat = GdipAddPathClosedCurve2(path, points, count, tension);
2539     if(stat != Ok){
2540         GdipDeletePath(path);
2541         return stat;
2542     }
2543
2544     stat = GdipFillPath(graphics, brush, path);
2545     if(stat != Ok){
2546         GdipDeletePath(path);
2547         return stat;
2548     }
2549
2550     GdipDeletePath(path);
2551
2552     return Ok;
2553 }
2554
2555 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
2556     GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
2557 {
2558     GpPointF *ptf;
2559     GpStatus stat;
2560     INT i;
2561
2562     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2563             count, tension, fill);
2564
2565     if(!points || count <= 0)
2566         return InvalidParameter;
2567
2568     ptf = GdipAlloc(sizeof(GpPointF)*count);
2569     if(!ptf)
2570         return OutOfMemory;
2571
2572     for(i = 0;i < count;i++){
2573         ptf[i].X = (REAL)points[i].X;
2574         ptf[i].Y = (REAL)points[i].Y;
2575     }
2576
2577     stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
2578
2579     GdipFree(ptf);
2580
2581     return stat;
2582 }
2583
2584 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
2585     REAL y, REAL width, REAL height)
2586 {
2587     INT save_state;
2588     GpPointF ptf[2];
2589     POINT pti[2];
2590
2591     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2592
2593     if(!graphics || !brush)
2594         return InvalidParameter;
2595
2596     if(graphics->busy)
2597         return ObjectBusy;
2598
2599     ptf[0].X = x;
2600     ptf[0].Y = y;
2601     ptf[1].X = x + width;
2602     ptf[1].Y = y + height;
2603
2604     save_state = SaveDC(graphics->hdc);
2605     EndPath(graphics->hdc);
2606
2607     transform_and_round_points(graphics, pti, ptf, 2);
2608
2609     BeginPath(graphics->hdc);
2610     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2611     EndPath(graphics->hdc);
2612
2613     brush_fill_path(graphics, brush);
2614
2615     RestoreDC(graphics->hdc, save_state);
2616
2617     return Ok;
2618 }
2619
2620 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
2621     INT y, INT width, INT height)
2622 {
2623     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2624
2625     return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2626 }
2627
2628 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
2629 {
2630     INT save_state;
2631     GpStatus retval;
2632
2633     TRACE("(%p, %p, %p)\n", graphics, brush, path);
2634
2635     if(!brush || !graphics || !path)
2636         return InvalidParameter;
2637
2638     if(graphics->busy)
2639         return ObjectBusy;
2640
2641     save_state = SaveDC(graphics->hdc);
2642     EndPath(graphics->hdc);
2643     SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
2644                                                                     : WINDING));
2645
2646     BeginPath(graphics->hdc);
2647     retval = draw_poly(graphics, NULL, path->pathdata.Points,
2648                        path->pathdata.Types, path->pathdata.Count, FALSE);
2649
2650     if(retval != Ok)
2651         goto end;
2652
2653     EndPath(graphics->hdc);
2654     brush_fill_path(graphics, brush);
2655
2656     retval = Ok;
2657
2658 end:
2659     RestoreDC(graphics->hdc, save_state);
2660
2661     return retval;
2662 }
2663
2664 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
2665     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2666 {
2667     INT save_state;
2668
2669     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
2670             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2671
2672     if(!graphics || !brush)
2673         return InvalidParameter;
2674
2675     if(graphics->busy)
2676         return ObjectBusy;
2677
2678     save_state = SaveDC(graphics->hdc);
2679     EndPath(graphics->hdc);
2680
2681     BeginPath(graphics->hdc);
2682     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2683     EndPath(graphics->hdc);
2684
2685     brush_fill_path(graphics, brush);
2686
2687     RestoreDC(graphics->hdc, save_state);
2688
2689     return Ok;
2690 }
2691
2692 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2693     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2694 {
2695     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
2696             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2697
2698     return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2699 }
2700
2701 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2702     GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2703 {
2704     INT save_state;
2705     GpPointF *ptf = NULL;
2706     POINT *pti = NULL;
2707     GpStatus retval = Ok;
2708
2709     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2710
2711     if(!graphics || !brush || !points || !count)
2712         return InvalidParameter;
2713
2714     if(graphics->busy)
2715         return ObjectBusy;
2716
2717     ptf = GdipAlloc(count * sizeof(GpPointF));
2718     pti = GdipAlloc(count * sizeof(POINT));
2719     if(!ptf || !pti){
2720         retval = OutOfMemory;
2721         goto end;
2722     }
2723
2724     memcpy(ptf, points, count * sizeof(GpPointF));
2725
2726     save_state = SaveDC(graphics->hdc);
2727     EndPath(graphics->hdc);
2728     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2729                                                                   : WINDING));
2730
2731     transform_and_round_points(graphics, pti, ptf, count);
2732
2733     BeginPath(graphics->hdc);
2734     Polygon(graphics->hdc, pti, count);
2735     EndPath(graphics->hdc);
2736
2737     brush_fill_path(graphics, brush);
2738
2739     RestoreDC(graphics->hdc, save_state);
2740
2741 end:
2742     GdipFree(ptf);
2743     GdipFree(pti);
2744
2745     return retval;
2746 }
2747
2748 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2749     GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2750 {
2751     INT save_state, i;
2752     GpPointF *ptf = NULL;
2753     POINT *pti = NULL;
2754     GpStatus retval = Ok;
2755
2756     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2757
2758     if(!graphics || !brush || !points || !count)
2759         return InvalidParameter;
2760
2761     if(graphics->busy)
2762         return ObjectBusy;
2763
2764     ptf = GdipAlloc(count * sizeof(GpPointF));
2765     pti = GdipAlloc(count * sizeof(POINT));
2766     if(!ptf || !pti){
2767         retval = OutOfMemory;
2768         goto end;
2769     }
2770
2771     for(i = 0; i < count; i ++){
2772         ptf[i].X = (REAL) points[i].X;
2773         ptf[i].Y = (REAL) points[i].Y;
2774     }
2775
2776     save_state = SaveDC(graphics->hdc);
2777     EndPath(graphics->hdc);
2778     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2779                                                                   : WINDING));
2780
2781     transform_and_round_points(graphics, pti, ptf, count);
2782
2783     BeginPath(graphics->hdc);
2784     Polygon(graphics->hdc, pti, count);
2785     EndPath(graphics->hdc);
2786
2787     brush_fill_path(graphics, brush);
2788
2789     RestoreDC(graphics->hdc, save_state);
2790
2791 end:
2792     GdipFree(ptf);
2793     GdipFree(pti);
2794
2795     return retval;
2796 }
2797
2798 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2799     GDIPCONST GpPointF *points, INT count)
2800 {
2801     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2802
2803     return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2804 }
2805
2806 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2807     GDIPCONST GpPoint *points, INT count)
2808 {
2809     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2810
2811     return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2812 }
2813
2814 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2815     REAL x, REAL y, REAL width, REAL height)
2816 {
2817     INT save_state;
2818     GpPointF ptf[4];
2819     POINT pti[4];
2820
2821     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2822
2823     if(!graphics || !brush)
2824         return InvalidParameter;
2825
2826     if(graphics->busy)
2827         return ObjectBusy;
2828
2829     ptf[0].X = x;
2830     ptf[0].Y = y;
2831     ptf[1].X = x + width;
2832     ptf[1].Y = y;
2833     ptf[2].X = x + width;
2834     ptf[2].Y = y + height;
2835     ptf[3].X = x;
2836     ptf[3].Y = y + height;
2837
2838     save_state = SaveDC(graphics->hdc);
2839     EndPath(graphics->hdc);
2840
2841     transform_and_round_points(graphics, pti, ptf, 4);
2842
2843     BeginPath(graphics->hdc);
2844     Polygon(graphics->hdc, pti, 4);
2845     EndPath(graphics->hdc);
2846
2847     brush_fill_path(graphics, brush);
2848
2849     RestoreDC(graphics->hdc, save_state);
2850
2851     return Ok;
2852 }
2853
2854 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
2855     INT x, INT y, INT width, INT height)
2856 {
2857     INT save_state;
2858     GpPointF ptf[4];
2859     POINT pti[4];
2860
2861     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2862
2863     if(!graphics || !brush)
2864         return InvalidParameter;
2865
2866     if(graphics->busy)
2867         return ObjectBusy;
2868
2869     ptf[0].X = x;
2870     ptf[0].Y = y;
2871     ptf[1].X = x + width;
2872     ptf[1].Y = y;
2873     ptf[2].X = x + width;
2874     ptf[2].Y = y + height;
2875     ptf[3].X = x;
2876     ptf[3].Y = y + height;
2877
2878     save_state = SaveDC(graphics->hdc);
2879     EndPath(graphics->hdc);
2880
2881     transform_and_round_points(graphics, pti, ptf, 4);
2882
2883     BeginPath(graphics->hdc);
2884     Polygon(graphics->hdc, pti, 4);
2885     EndPath(graphics->hdc);
2886
2887     brush_fill_path(graphics, brush);
2888
2889     RestoreDC(graphics->hdc, save_state);
2890
2891     return Ok;
2892 }
2893
2894 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
2895     INT count)
2896 {
2897     GpStatus ret;
2898     INT i;
2899
2900     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2901
2902     if(!rects)
2903         return InvalidParameter;
2904
2905     for(i = 0; i < count; i++){
2906         ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
2907         if(ret != Ok)   return ret;
2908     }
2909
2910     return Ok;
2911 }
2912
2913 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
2914     INT count)
2915 {
2916     GpRectF *rectsF;
2917     GpStatus ret;
2918     INT i;
2919
2920     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2921
2922     if(!rects || count <= 0)
2923         return InvalidParameter;
2924
2925     rectsF = GdipAlloc(sizeof(GpRectF)*count);
2926     if(!rectsF)
2927         return OutOfMemory;
2928
2929     for(i = 0; i < count; i++){
2930         rectsF[i].X      = (REAL)rects[i].X;
2931         rectsF[i].Y      = (REAL)rects[i].Y;
2932         rectsF[i].X      = (REAL)rects[i].Width;
2933         rectsF[i].Height = (REAL)rects[i].Height;
2934     }
2935
2936     ret = GdipFillRectangles(graphics,brush,rectsF,count);
2937     GdipFree(rectsF);
2938
2939     return ret;
2940 }
2941
2942 /*****************************************************************************
2943  * GdipFillRegion [GDIPLUS.@]
2944  */
2945 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
2946         GpRegion* region)
2947 {
2948     INT save_state;
2949     GpStatus status;
2950     HRGN hrgn;
2951     RECT rc;
2952
2953     TRACE("(%p, %p, %p)\n", graphics, brush, region);
2954
2955     if (!(graphics && brush && region))
2956         return InvalidParameter;
2957
2958     if(graphics->busy)
2959         return ObjectBusy;
2960
2961     status = GdipGetRegionHRgn(region, graphics, &hrgn);
2962     if(status != Ok)
2963         return status;
2964
2965     save_state = SaveDC(graphics->hdc);
2966     EndPath(graphics->hdc);
2967
2968     ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
2969
2970     if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
2971     {
2972         BeginPath(graphics->hdc);
2973         Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
2974         EndPath(graphics->hdc);
2975
2976         brush_fill_path(graphics, brush);
2977     }
2978
2979     RestoreDC(graphics->hdc, save_state);
2980
2981     DeleteObject(hrgn);
2982
2983     return Ok;
2984 }
2985
2986 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
2987 {
2988     static int calls;
2989
2990     if(!graphics)
2991         return InvalidParameter;
2992
2993     if(graphics->busy)
2994         return ObjectBusy;
2995
2996     if(!(calls++))
2997         FIXME("not implemented\n");
2998
2999     return NotImplemented;
3000 }
3001
3002 /*****************************************************************************
3003  * GdipGetClipBounds [GDIPLUS.@]
3004  */
3005 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
3006 {
3007     TRACE("(%p, %p)\n", graphics, rect);
3008
3009     if(!graphics)
3010         return InvalidParameter;
3011
3012     if(graphics->busy)
3013         return ObjectBusy;
3014
3015     return GdipGetRegionBounds(graphics->clip, graphics, rect);
3016 }
3017
3018 /*****************************************************************************
3019  * GdipGetClipBoundsI [GDIPLUS.@]
3020  */
3021 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
3022 {
3023     TRACE("(%p, %p)\n", graphics, rect);
3024
3025     if(!graphics)
3026         return InvalidParameter;
3027
3028     if(graphics->busy)
3029         return ObjectBusy;
3030
3031     return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
3032 }
3033
3034 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
3035 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
3036     CompositingMode *mode)
3037 {
3038     TRACE("(%p, %p)\n", graphics, mode);
3039
3040     if(!graphics || !mode)
3041         return InvalidParameter;
3042
3043     if(graphics->busy)
3044         return ObjectBusy;
3045
3046     *mode = graphics->compmode;
3047
3048     return Ok;
3049 }
3050
3051 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
3052 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
3053     CompositingQuality *quality)
3054 {
3055     TRACE("(%p, %p)\n", graphics, quality);
3056
3057     if(!graphics || !quality)
3058         return InvalidParameter;
3059
3060     if(graphics->busy)
3061         return ObjectBusy;
3062
3063     *quality = graphics->compqual;
3064
3065     return Ok;
3066 }
3067
3068 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
3069 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
3070     InterpolationMode *mode)
3071 {
3072     TRACE("(%p, %p)\n", graphics, mode);
3073
3074     if(!graphics || !mode)
3075         return InvalidParameter;
3076
3077     if(graphics->busy)
3078         return ObjectBusy;
3079
3080     *mode = graphics->interpolation;
3081
3082     return Ok;
3083 }
3084
3085 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
3086 {
3087     if(!graphics || !argb)
3088         return InvalidParameter;
3089
3090     if(graphics->busy)
3091         return ObjectBusy;
3092
3093     FIXME("(%p, %p): stub\n", graphics, argb);
3094
3095     return NotImplemented;
3096 }
3097
3098 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
3099 {
3100     TRACE("(%p, %p)\n", graphics, scale);
3101
3102     if(!graphics || !scale)
3103         return InvalidParameter;
3104
3105     if(graphics->busy)
3106         return ObjectBusy;
3107
3108     *scale = graphics->scale;
3109
3110     return Ok;
3111 }
3112
3113 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
3114 {
3115     TRACE("(%p, %p)\n", graphics, unit);
3116
3117     if(!graphics || !unit)
3118         return InvalidParameter;
3119
3120     if(graphics->busy)
3121         return ObjectBusy;
3122
3123     *unit = graphics->unit;
3124
3125     return Ok;
3126 }
3127
3128 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
3129 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3130     *mode)
3131 {
3132     TRACE("(%p, %p)\n", graphics, mode);
3133
3134     if(!graphics || !mode)
3135         return InvalidParameter;
3136
3137     if(graphics->busy)
3138         return ObjectBusy;
3139
3140     *mode = graphics->pixeloffset;
3141
3142     return Ok;
3143 }
3144
3145 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
3146 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
3147 {
3148     TRACE("(%p, %p)\n", graphics, mode);
3149
3150     if(!graphics || !mode)
3151         return InvalidParameter;
3152
3153     if(graphics->busy)
3154         return ObjectBusy;
3155
3156     *mode = graphics->smoothing;
3157
3158     return Ok;
3159 }
3160
3161 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
3162 {
3163     TRACE("(%p, %p)\n", graphics, contrast);
3164
3165     if(!graphics || !contrast)
3166         return InvalidParameter;
3167
3168     *contrast = graphics->textcontrast;
3169
3170     return Ok;
3171 }
3172
3173 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
3174 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
3175     TextRenderingHint *hint)
3176 {
3177     TRACE("(%p, %p)\n", graphics, hint);
3178
3179     if(!graphics || !hint)
3180         return InvalidParameter;
3181
3182     if(graphics->busy)
3183         return ObjectBusy;
3184
3185     *hint = graphics->texthint;
3186
3187     return Ok;
3188 }
3189
3190 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
3191 {
3192     GpRegion *clip_rgn;
3193     GpStatus stat;
3194
3195     TRACE("(%p, %p)\n", graphics, rect);
3196
3197     if(!graphics || !rect)
3198         return InvalidParameter;
3199
3200     if(graphics->busy)
3201         return ObjectBusy;
3202
3203     /* intersect window and graphics clipping regions */
3204     if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
3205         return stat;
3206
3207     if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
3208         goto cleanup;
3209
3210     /* get bounds of the region */
3211     stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
3212
3213 cleanup:
3214     GdipDeleteRegion(clip_rgn);
3215
3216     return stat;
3217 }
3218
3219 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
3220 {
3221     GpRectF rectf;
3222     GpStatus stat;
3223
3224     TRACE("(%p, %p)\n", graphics, rect);
3225
3226     if(!graphics || !rect)
3227         return InvalidParameter;
3228
3229     if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
3230     {
3231         rect->X = roundr(rectf.X);
3232         rect->Y = roundr(rectf.Y);
3233         rect->Width  = roundr(rectf.Width);
3234         rect->Height = roundr(rectf.Height);
3235     }
3236
3237     return stat;
3238 }
3239
3240 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3241 {
3242     TRACE("(%p, %p)\n", graphics, matrix);
3243
3244     if(!graphics || !matrix)
3245         return InvalidParameter;
3246
3247     if(graphics->busy)
3248         return ObjectBusy;
3249
3250     *matrix = *graphics->worldtrans;
3251     return Ok;
3252 }
3253
3254 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
3255 {
3256     GpSolidFill *brush;
3257     GpStatus stat;
3258     GpRectF wnd_rect;
3259
3260     TRACE("(%p, %x)\n", graphics, color);
3261
3262     if(!graphics)
3263         return InvalidParameter;
3264
3265     if(graphics->busy)
3266         return ObjectBusy;
3267
3268     if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
3269         return stat;
3270
3271     if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
3272         GdipDeleteBrush((GpBrush*)brush);
3273         return stat;
3274     }
3275
3276     GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
3277                                                  wnd_rect.Width, wnd_rect.Height);
3278
3279     GdipDeleteBrush((GpBrush*)brush);
3280
3281     return Ok;
3282 }
3283
3284 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
3285 {
3286     TRACE("(%p, %p)\n", graphics, res);
3287
3288     if(!graphics || !res)
3289         return InvalidParameter;
3290
3291     return GdipIsEmptyRegion(graphics->clip, graphics, res);
3292 }
3293
3294 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
3295 {
3296     GpStatus stat;
3297     GpRegion* rgn;
3298     GpPointF pt;
3299
3300     TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
3301
3302     if(!graphics || !result)
3303         return InvalidParameter;
3304
3305     if(graphics->busy)
3306         return ObjectBusy;
3307
3308     pt.X = x;
3309     pt.Y = y;
3310     if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
3311                    CoordinateSpaceWorld, &pt, 1)) != Ok)
3312         return stat;
3313
3314     if((stat = GdipCreateRegion(&rgn)) != Ok)
3315         return stat;
3316
3317     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
3318         goto cleanup;
3319
3320     stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
3321
3322 cleanup:
3323     GdipDeleteRegion(rgn);
3324     return stat;
3325 }
3326
3327 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
3328 {
3329     return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
3330 }
3331
3332 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
3333 {
3334     GpStatus stat;
3335     GpRegion* rgn;
3336     GpPointF pts[2];
3337
3338     TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
3339
3340     if(!graphics || !result)
3341         return InvalidParameter;
3342
3343     if(graphics->busy)
3344         return ObjectBusy;
3345
3346     pts[0].X = x;
3347     pts[0].Y = y;
3348     pts[1].X = x + width;
3349     pts[1].Y = y + height;
3350
3351     if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
3352                     CoordinateSpaceWorld, pts, 2)) != Ok)
3353         return stat;
3354
3355     pts[1].X -= pts[0].X;
3356     pts[1].Y -= pts[0].Y;
3357
3358     if((stat = GdipCreateRegion(&rgn)) != Ok)
3359         return stat;
3360
3361     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
3362         goto cleanup;
3363
3364     stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
3365
3366 cleanup:
3367     GdipDeleteRegion(rgn);
3368     return stat;
3369 }
3370
3371 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
3372 {
3373     return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
3374 }
3375
3376 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
3377         GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
3378         GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
3379         INT regionCount, GpRegion** regions)
3380 {
3381     if (!(graphics && string && font && layoutRect && stringFormat && regions))
3382         return InvalidParameter;
3383
3384     FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
3385             length, font, layoutRect, stringFormat, regionCount, regions);
3386
3387     return NotImplemented;
3388 }
3389
3390 /* Find the smallest rectangle that bounds the text when it is printed in rect
3391  * according to the format options listed in format. If rect has 0 width and
3392  * height, then just find the smallest rectangle that bounds the text when it's
3393  * printed at location (rect->X, rect-Y). */
3394 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
3395     GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
3396     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
3397     INT *codepointsfitted, INT *linesfilled)
3398 {
3399     HFONT oldfont;
3400     WCHAR* stringdup;
3401     INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
3402         nheight, lineend;
3403     SIZE size;
3404
3405     TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
3406         debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
3407         bounds, codepointsfitted, linesfilled);
3408
3409     if(!graphics || !string || !font || !rect)
3410         return InvalidParameter;
3411
3412     if(linesfilled) *linesfilled = 0;
3413     if(codepointsfitted) *codepointsfitted = 0;
3414
3415     if(format)
3416         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
3417
3418     if(length == -1) length = lstrlenW(string);
3419
3420     stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
3421     if(!stringdup) return OutOfMemory;
3422
3423     oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
3424     nwidth = roundr(rect->Width);
3425     nheight = roundr(rect->Height);
3426
3427     if((nwidth == 0) && (nheight == 0))
3428         nwidth = nheight = INT_MAX;
3429
3430     for(i = 0, j = 0; i < length; i++){
3431         if(!isprintW(string[i]) && (string[i] != '\n'))
3432             continue;
3433
3434         stringdup[j] = string[i];
3435         j++;
3436     }
3437
3438     stringdup[j] = 0;
3439     length = j;
3440
3441     while(sum < length){
3442         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
3443                               nwidth, &fit, NULL, &size);
3444         fitcpy = fit;
3445
3446         if(fit == 0)
3447             break;
3448
3449         for(lret = 0; lret < fit; lret++)
3450             if(*(stringdup + sum + lret) == '\n')
3451                 break;
3452
3453         /* Line break code (may look strange, but it imitates windows). */
3454         if(lret < fit)
3455             lineend = fit = lret;    /* this is not an off-by-one error */
3456         else if(fit < (length - sum)){
3457             if(*(stringdup + sum + fit) == ' ')
3458                 while(*(stringdup + sum + fit) == ' ')
3459                     fit++;
3460             else
3461                 while(*(stringdup + sum + fit - 1) != ' '){
3462                     fit--;
3463
3464                     if(*(stringdup + sum + fit) == '\t')
3465                         break;
3466
3467                     if(fit == 0){
3468                         fit = fitcpy;
3469                         break;
3470                     }
3471                 }
3472             lineend = fit;
3473             while(*(stringdup + sum + lineend - 1) == ' ' ||
3474                   *(stringdup + sum + lineend - 1) == '\t')
3475                 lineend--;
3476         }
3477         else
3478             lineend = fit;
3479
3480         GetTextExtentExPointW(graphics->hdc, stringdup + sum, lineend,
3481                               nwidth, &j, NULL, &size);
3482
3483         sum += fit + (lret < fitcpy ? 1 : 0);
3484         if(codepointsfitted) *codepointsfitted = sum;
3485
3486         height += size.cy;
3487         if(linesfilled) *linesfilled += size.cy;
3488         max_width = max(max_width, size.cx);
3489
3490         if(height > nheight)
3491             break;
3492
3493         /* Stop if this was a linewrap (but not if it was a linebreak). */
3494         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
3495             break;
3496     }
3497
3498     bounds->X = rect->X;
3499     bounds->Y = rect->Y;
3500     bounds->Width = (REAL)max_width;
3501     bounds->Height = (REAL) min(height, nheight);
3502
3503     GdipFree(stringdup);
3504     DeleteObject(SelectObject(graphics->hdc, oldfont));
3505
3506     return Ok;
3507 }
3508
3509 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
3510 {
3511     TRACE("(%p)\n", graphics);
3512
3513     if(!graphics)
3514         return InvalidParameter;
3515
3516     if(graphics->busy)
3517         return ObjectBusy;
3518
3519     return GdipSetInfinite(graphics->clip);
3520 }
3521
3522 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
3523 {
3524     TRACE("(%p)\n", graphics);
3525
3526     if(!graphics)
3527         return InvalidParameter;
3528
3529     if(graphics->busy)
3530         return ObjectBusy;
3531
3532     graphics->worldtrans->matrix[0] = 1.0;
3533     graphics->worldtrans->matrix[1] = 0.0;
3534     graphics->worldtrans->matrix[2] = 0.0;
3535     graphics->worldtrans->matrix[3] = 1.0;
3536     graphics->worldtrans->matrix[4] = 0.0;
3537     graphics->worldtrans->matrix[5] = 0.0;
3538
3539     return Ok;
3540 }
3541
3542 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
3543 {
3544     return GdipEndContainer(graphics, state);
3545 }
3546
3547 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
3548     GpMatrixOrder order)
3549 {
3550     TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
3551
3552     if(!graphics)
3553         return InvalidParameter;
3554
3555     if(graphics->busy)
3556         return ObjectBusy;
3557
3558     return GdipRotateMatrix(graphics->worldtrans, angle, order);
3559 }
3560
3561 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
3562 {
3563     return GdipBeginContainer2(graphics, state);
3564 }
3565
3566 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
3567         GraphicsContainer *state)
3568 {
3569     GraphicsContainerItem *container;
3570     GpStatus sts;
3571
3572     TRACE("(%p, %p)\n", graphics, state);
3573
3574     if(!graphics || !state)
3575         return InvalidParameter;
3576
3577     sts = init_container(&container, graphics);
3578     if(sts != Ok)
3579         return sts;
3580
3581     list_add_head(&graphics->containers, &container->entry);
3582     *state = graphics->contid = container->contid;
3583
3584     return Ok;
3585 }
3586
3587 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
3588 {
3589     FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3590     return NotImplemented;
3591 }
3592
3593 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
3594 {
3595     FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3596     return NotImplemented;
3597 }
3598
3599 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
3600 {
3601     FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
3602     return NotImplemented;
3603 }
3604
3605 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
3606 {
3607     GpStatus sts;
3608     GraphicsContainerItem *container, *container2;
3609
3610     TRACE("(%p, %x)\n", graphics, state);
3611
3612     if(!graphics)
3613         return InvalidParameter;
3614
3615     LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
3616         if(container->contid == state)
3617             break;
3618     }
3619
3620     /* did not find a matching container */
3621     if(&container->entry == &graphics->containers)
3622         return Ok;
3623
3624     sts = restore_container(graphics, container);
3625     if(sts != Ok)
3626         return sts;
3627
3628     /* remove all of the containers on top of the found container */
3629     LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
3630         if(container->contid == state)
3631             break;
3632         list_remove(&container->entry);
3633         delete_container(container);
3634     }
3635
3636     list_remove(&container->entry);
3637     delete_container(container);
3638
3639     return Ok;
3640 }
3641
3642 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
3643     REAL sy, GpMatrixOrder order)
3644 {
3645     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
3646
3647     if(!graphics)
3648         return InvalidParameter;
3649
3650     if(graphics->busy)
3651         return ObjectBusy;
3652
3653     return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
3654 }
3655
3656 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
3657     CombineMode mode)
3658 {
3659     TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
3660
3661     if(!graphics || !srcgraphics)
3662         return InvalidParameter;
3663
3664     return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
3665 }
3666
3667 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
3668     CompositingMode mode)
3669 {
3670     TRACE("(%p, %d)\n", graphics, mode);
3671
3672     if(!graphics)
3673         return InvalidParameter;
3674
3675     if(graphics->busy)
3676         return ObjectBusy;
3677
3678     graphics->compmode = mode;
3679
3680     return Ok;
3681 }
3682
3683 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
3684     CompositingQuality quality)
3685 {
3686     TRACE("(%p, %d)\n", graphics, quality);
3687
3688     if(!graphics)
3689         return InvalidParameter;
3690
3691     if(graphics->busy)
3692         return ObjectBusy;
3693
3694     graphics->compqual = quality;
3695
3696     return Ok;
3697 }
3698
3699 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
3700     InterpolationMode mode)
3701 {
3702     TRACE("(%p, %d)\n", graphics, mode);
3703
3704     if(!graphics)
3705         return InvalidParameter;
3706
3707     if(graphics->busy)
3708         return ObjectBusy;
3709
3710     graphics->interpolation = mode;
3711
3712     return Ok;
3713 }
3714
3715 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
3716 {
3717     TRACE("(%p, %.2f)\n", graphics, scale);
3718
3719     if(!graphics || (scale <= 0.0))
3720         return InvalidParameter;
3721
3722     if(graphics->busy)
3723         return ObjectBusy;
3724
3725     graphics->scale = scale;
3726
3727     return Ok;
3728 }
3729
3730 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
3731 {
3732     TRACE("(%p, %d)\n", graphics, unit);
3733
3734     if(!graphics)
3735         return InvalidParameter;
3736
3737     if(graphics->busy)
3738         return ObjectBusy;
3739
3740     if(unit == UnitWorld)
3741         return InvalidParameter;
3742
3743     graphics->unit = unit;
3744
3745     return Ok;
3746 }
3747
3748 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3749     mode)
3750 {
3751     TRACE("(%p, %d)\n", graphics, mode);
3752
3753     if(!graphics)
3754         return InvalidParameter;
3755
3756     if(graphics->busy)
3757         return ObjectBusy;
3758
3759     graphics->pixeloffset = mode;
3760
3761     return Ok;
3762 }
3763
3764 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
3765 {
3766     static int calls;
3767
3768     TRACE("(%p,%i,%i)\n", graphics, x, y);
3769
3770     if (!(calls++))
3771         FIXME("not implemented\n");
3772
3773     return NotImplemented;
3774 }
3775
3776 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
3777 {
3778     TRACE("(%p, %d)\n", graphics, mode);
3779
3780     if(!graphics)
3781         return InvalidParameter;
3782
3783     if(graphics->busy)
3784         return ObjectBusy;
3785
3786     graphics->smoothing = mode;
3787
3788     return Ok;
3789 }
3790
3791 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
3792 {
3793     TRACE("(%p, %d)\n", graphics, contrast);
3794
3795     if(!graphics)
3796         return InvalidParameter;
3797
3798     graphics->textcontrast = contrast;
3799
3800     return Ok;
3801 }
3802
3803 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
3804     TextRenderingHint hint)
3805 {
3806     TRACE("(%p, %d)\n", graphics, hint);
3807
3808     if(!graphics)
3809         return InvalidParameter;
3810
3811     if(graphics->busy)
3812         return ObjectBusy;
3813
3814     graphics->texthint = hint;
3815
3816     return Ok;
3817 }
3818
3819 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3820 {
3821     TRACE("(%p, %p)\n", graphics, matrix);
3822
3823     if(!graphics || !matrix)
3824         return InvalidParameter;
3825
3826     if(graphics->busy)
3827         return ObjectBusy;
3828
3829     GdipDeleteMatrix(graphics->worldtrans);
3830     return GdipCloneMatrix(matrix, &graphics->worldtrans);
3831 }
3832
3833 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
3834     REAL dy, GpMatrixOrder order)
3835 {
3836     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
3837
3838     if(!graphics)
3839         return InvalidParameter;
3840
3841     if(graphics->busy)
3842         return ObjectBusy;
3843
3844     return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
3845 }
3846
3847 /*****************************************************************************
3848  * GdipSetClipHrgn [GDIPLUS.@]
3849  */
3850 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
3851 {
3852     GpRegion *region;
3853     GpStatus status;
3854
3855     TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
3856
3857     if(!graphics)
3858         return InvalidParameter;
3859
3860     status = GdipCreateRegionHrgn(hrgn, &region);
3861     if(status != Ok)
3862         return status;
3863
3864     status = GdipSetClipRegion(graphics, region, mode);
3865
3866     GdipDeleteRegion(region);
3867     return status;
3868 }
3869
3870 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
3871 {
3872     TRACE("(%p, %p, %d)\n", graphics, path, mode);
3873
3874     if(!graphics)
3875         return InvalidParameter;
3876
3877     if(graphics->busy)
3878         return ObjectBusy;
3879
3880     return GdipCombineRegionPath(graphics->clip, path, mode);
3881 }
3882
3883 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
3884                                     REAL width, REAL height,
3885                                     CombineMode mode)
3886 {
3887     GpRectF rect;
3888
3889     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
3890
3891     if(!graphics)
3892         return InvalidParameter;
3893
3894     if(graphics->busy)
3895         return ObjectBusy;
3896
3897     rect.X = x;
3898     rect.Y = y;
3899     rect.Width  = width;
3900     rect.Height = height;
3901
3902     return GdipCombineRegionRect(graphics->clip, &rect, mode);
3903 }
3904
3905 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
3906                                      INT width, INT height,
3907                                      CombineMode mode)
3908 {
3909     TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
3910
3911     if(!graphics)
3912         return InvalidParameter;
3913
3914     if(graphics->busy)
3915         return ObjectBusy;
3916
3917     return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
3918 }
3919
3920 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
3921                                       CombineMode mode)
3922 {
3923     TRACE("(%p, %p, %d)\n", graphics, region, mode);
3924
3925     if(!graphics || !region)
3926         return InvalidParameter;
3927
3928     if(graphics->busy)
3929         return ObjectBusy;
3930
3931     return GdipCombineRegionRegion(graphics->clip, region, mode);
3932 }
3933
3934 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
3935     UINT limitDpi)
3936 {
3937     static int calls;
3938
3939     if(!(calls++))
3940         FIXME("not implemented\n");
3941
3942     return NotImplemented;
3943 }
3944
3945 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
3946     INT count)
3947 {
3948     INT save_state;
3949     POINT *pti;
3950
3951     TRACE("(%p, %p, %d)\n", graphics, points, count);
3952
3953     if(!graphics || !pen || count<=0)
3954         return InvalidParameter;
3955
3956     if(graphics->busy)
3957         return ObjectBusy;
3958
3959     pti = GdipAlloc(sizeof(POINT) * count);
3960
3961     save_state = prepare_dc(graphics, pen);
3962     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3963
3964     transform_and_round_points(graphics, pti, (GpPointF*)points, count);
3965     Polygon(graphics->hdc, pti, count);
3966
3967     restore_dc(graphics, save_state);
3968     GdipFree(pti);
3969
3970     return Ok;
3971 }
3972
3973 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
3974     INT count)
3975 {
3976     GpStatus ret;
3977     GpPointF *ptf;
3978     INT i;
3979
3980     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3981
3982     if(count<=0)    return InvalidParameter;
3983     ptf = GdipAlloc(sizeof(GpPointF) * count);
3984
3985     for(i = 0;i < count; i++){
3986         ptf[i].X = (REAL)points[i].X;
3987         ptf[i].Y = (REAL)points[i].Y;
3988     }
3989
3990     ret = GdipDrawPolygon(graphics,pen,ptf,count);
3991     GdipFree(ptf);
3992
3993     return ret;
3994 }
3995
3996 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
3997 {
3998     TRACE("(%p, %p)\n", graphics, dpi);
3999
4000     if(!graphics || !dpi)
4001         return InvalidParameter;
4002
4003     if(graphics->busy)
4004         return ObjectBusy;
4005
4006     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
4007
4008     return Ok;
4009 }
4010
4011 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
4012 {
4013     TRACE("(%p, %p)\n", graphics, dpi);
4014
4015     if(!graphics || !dpi)
4016         return InvalidParameter;
4017
4018     if(graphics->busy)
4019         return ObjectBusy;
4020
4021     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
4022
4023     return Ok;
4024 }
4025
4026 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
4027     GpMatrixOrder order)
4028 {
4029     GpMatrix m;
4030     GpStatus ret;
4031
4032     TRACE("(%p, %p, %d)\n", graphics, matrix, order);
4033
4034     if(!graphics || !matrix)
4035         return InvalidParameter;
4036
4037     if(graphics->busy)
4038         return ObjectBusy;
4039
4040     m = *(graphics->worldtrans);
4041
4042     ret = GdipMultiplyMatrix(&m, matrix, order);
4043     if(ret == Ok)
4044         *(graphics->worldtrans) = m;
4045
4046     return ret;
4047 }
4048
4049 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
4050 {
4051     TRACE("(%p, %p)\n", graphics, hdc);
4052
4053     if(!graphics || !hdc)
4054         return InvalidParameter;
4055
4056     if(graphics->busy)
4057         return ObjectBusy;
4058
4059     *hdc = graphics->hdc;
4060     graphics->busy = TRUE;
4061
4062     return Ok;
4063 }
4064
4065 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
4066 {
4067     TRACE("(%p, %p)\n", graphics, hdc);
4068
4069     if(!graphics)
4070         return InvalidParameter;
4071
4072     if(graphics->hdc != hdc || !(graphics->busy))
4073         return InvalidParameter;
4074
4075     graphics->busy = FALSE;
4076
4077     return Ok;
4078 }
4079
4080 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
4081 {
4082     GpRegion *clip;
4083     GpStatus status;
4084
4085     TRACE("(%p, %p)\n", graphics, region);
4086
4087     if(!graphics || !region)
4088         return InvalidParameter;
4089
4090     if(graphics->busy)
4091         return ObjectBusy;
4092
4093     if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
4094         return status;
4095
4096     /* free everything except root node and header */
4097     delete_element(&region->node);
4098     memcpy(region, clip, sizeof(GpRegion));
4099
4100     return Ok;
4101 }
4102
4103 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
4104                                         GpCoordinateSpace src_space, GpPointF *points, INT count)
4105 {
4106     GpMatrix *matrix;
4107     GpStatus stat;
4108     REAL unitscale;
4109
4110     if(!graphics || !points || count <= 0)
4111         return InvalidParameter;
4112
4113     if(graphics->busy)
4114         return ObjectBusy;
4115
4116     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
4117
4118     if (src_space == dst_space) return Ok;
4119
4120     stat = GdipCreateMatrix(&matrix);
4121     if (stat == Ok)
4122     {
4123         unitscale = convert_unit(graphics->hdc, graphics->unit);
4124
4125         if(graphics->unit != UnitDisplay)
4126             unitscale *= graphics->scale;
4127
4128         /* transform from src_space to CoordinateSpacePage */
4129         switch (src_space)
4130         {
4131         case CoordinateSpaceWorld:
4132             GdipMultiplyMatrix(matrix, graphics->worldtrans, MatrixOrderAppend);
4133             break;
4134         case CoordinateSpacePage:
4135             break;
4136         case CoordinateSpaceDevice:
4137             GdipScaleMatrix(matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
4138             break;
4139         }
4140
4141         /* transform from CoordinateSpacePage to dst_space */
4142         switch (dst_space)
4143         {
4144         case CoordinateSpaceWorld:
4145             {
4146                 GpMatrix *inverted_transform;
4147                 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
4148                 if (stat == Ok)
4149                 {
4150                     stat = GdipInvertMatrix(inverted_transform);
4151                     if (stat == Ok)
4152                         GdipMultiplyMatrix(matrix, inverted_transform, MatrixOrderAppend);
4153                     GdipDeleteMatrix(inverted_transform);
4154                 }
4155                 break;
4156             }
4157         case CoordinateSpacePage:
4158             break;
4159         case CoordinateSpaceDevice:
4160             GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
4161             break;
4162         }
4163
4164         if (stat == Ok)
4165             stat = GdipTransformMatrixPoints(matrix, points, count);
4166
4167         GdipDeleteMatrix(matrix);
4168     }
4169
4170     return stat;
4171 }
4172
4173 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
4174                                          GpCoordinateSpace src_space, GpPoint *points, INT count)
4175 {
4176     GpPointF *pointsF;
4177     GpStatus ret;
4178     INT i;
4179
4180     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
4181
4182     if(count <= 0)
4183         return InvalidParameter;
4184
4185     pointsF = GdipAlloc(sizeof(GpPointF) * count);
4186     if(!pointsF)
4187         return OutOfMemory;
4188
4189     for(i = 0; i < count; i++){
4190         pointsF[i].X = (REAL)points[i].X;
4191         pointsF[i].Y = (REAL)points[i].Y;
4192     }
4193
4194     ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
4195
4196     if(ret == Ok)
4197         for(i = 0; i < count; i++){
4198             points[i].X = roundr(pointsF[i].X);
4199             points[i].Y = roundr(pointsF[i].Y);
4200         }
4201     GdipFree(pointsF);
4202
4203     return ret;
4204 }
4205
4206 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
4207 {
4208     FIXME("\n");
4209
4210     return NULL;
4211 }
4212
4213 /*****************************************************************************
4214  * GdipTranslateClip [GDIPLUS.@]
4215  */
4216 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
4217 {
4218     TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
4219
4220     if(!graphics)
4221         return InvalidParameter;
4222
4223     if(graphics->busy)
4224         return ObjectBusy;
4225
4226     return GdipTranslateRegion(graphics->clip, dx, dy);
4227 }
4228
4229 /*****************************************************************************
4230  * GdipTranslateClipI [GDIPLUS.@]
4231  */
4232 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
4233 {
4234     TRACE("(%p, %d, %d)\n", graphics, dx, dy);
4235
4236     if(!graphics)
4237         return InvalidParameter;
4238
4239     if(graphics->busy)
4240         return ObjectBusy;
4241
4242     return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
4243 }
4244
4245
4246 /*****************************************************************************
4247  * GdipMeasureDriverString [GDIPLUS.@]
4248  */
4249 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
4250                                             GDIPCONST GpFont *font, GDIPCONST PointF *positions,
4251                                             INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
4252 {
4253     FIXME("(%p %p %d %p %p %d %p %p): stub\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
4254     return NotImplemented;
4255 }
4256
4257 /*****************************************************************************
4258  * GdipDrawDriverString [GDIPLUS.@]
4259  */
4260 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
4261                                          GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
4262                                          GDIPCONST PointF *positions, INT flags,
4263                                          GDIPCONST GpMatrix *matrix )
4264 {
4265     FIXME("(%p %p %d %p %p %p %d %p): stub\n", graphics, text, length, font, brush, positions, flags, matrix);
4266     return NotImplemented;
4267 }
4268
4269 /*****************************************************************************
4270  * GdipRecordMetafileI [GDIPLUS.@]
4271  */
4272 GpStatus WINGDIPAPI GdipRecordMetafileI(HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
4273                                         MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
4274 {
4275     FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
4276     return NotImplemented;
4277 }