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     if(srcUnit == UnitInch)
1842         dx = dy = (REAL) INCH_HIMETRIC;
1843     else if(srcUnit == UnitPixel){
1844         dx = ((REAL) INCH_HIMETRIC) /
1845              ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1846         dy = ((REAL) INCH_HIMETRIC) /
1847              ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1848     }
1849     else
1850         return NotImplemented;
1851
1852     memcpy(ptf, points, 3 * sizeof(GpPointF));
1853     transform_and_round_points(graphics, pti, ptf, 3);
1854
1855     /* IPicture renders bitmaps with the y-axis reversed
1856      * FIXME: flipping for unknown image type might not be correct. */
1857     if(image->type != ImageTypeMetafile){
1858         INT temp;
1859         temp = pti[0].y;
1860         pti[0].y = pti[2].y;
1861         pti[2].y = temp;
1862     }
1863
1864     if(IPicture_Render(image->picture, graphics->hdc,
1865         pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1866         srcx * dx, srcy * dy,
1867         srcwidth * dx, srcheight * dy,
1868         NULL) != S_OK){
1869         if(callback)
1870             callback(callbackData);
1871         return GenericError;
1872     }
1873
1874     return Ok;
1875 }
1876
1877 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
1878      GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
1879      INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1880      DrawImageAbort callback, VOID * callbackData)
1881 {
1882     GpPointF pointsF[3];
1883     INT i;
1884
1885     TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
1886           srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1887           callbackData);
1888
1889     if(!points || count!=3)
1890         return InvalidParameter;
1891
1892     for(i = 0; i < count; i++){
1893         pointsF[i].X = (REAL)points[i].X;
1894         pointsF[i].Y = (REAL)points[i].Y;
1895     }
1896
1897     return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
1898                                    (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
1899                                    callback, callbackData);
1900 }
1901
1902 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
1903     REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
1904     REAL srcwidth, REAL srcheight, GpUnit srcUnit,
1905     GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
1906     VOID * callbackData)
1907 {
1908     GpPointF points[3];
1909
1910     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
1911           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1912           srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1913
1914     points[0].X = dstx;
1915     points[0].Y = dsty;
1916     points[1].X = dstx + dstwidth;
1917     points[1].Y = dsty;
1918     points[2].X = dstx;
1919     points[2].Y = dsty + dstheight;
1920
1921     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1922                srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1923 }
1924
1925 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
1926         INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
1927         INT srcwidth, INT srcheight, GpUnit srcUnit,
1928         GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
1929         VOID * callbackData)
1930 {
1931     GpPointF points[3];
1932
1933     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
1934           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1935           srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1936
1937     points[0].X = dstx;
1938     points[0].Y = dsty;
1939     points[1].X = dstx + dstwidth;
1940     points[1].Y = dsty;
1941     points[2].X = dstx;
1942     points[2].Y = dsty + dstheight;
1943
1944     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1945                srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1946 }
1947
1948 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
1949     REAL x, REAL y, REAL width, REAL height)
1950 {
1951     RectF bounds;
1952     GpUnit unit;
1953     GpStatus ret;
1954
1955     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
1956
1957     if(!graphics || !image)
1958         return InvalidParameter;
1959
1960     ret = GdipGetImageBounds(image, &bounds, &unit);
1961     if(ret != Ok)
1962         return ret;
1963
1964     return GdipDrawImageRectRect(graphics, image, x, y, width, height,
1965                                  bounds.X, bounds.Y, bounds.Width, bounds.Height,
1966                                  unit, NULL, NULL, NULL);
1967 }
1968
1969 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
1970     INT x, INT y, INT width, INT height)
1971 {
1972     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
1973
1974     return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
1975 }
1976
1977 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
1978     REAL y1, REAL x2, REAL y2)
1979 {
1980     INT save_state;
1981     GpPointF pt[2];
1982     GpStatus retval;
1983
1984     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
1985
1986     if(!pen || !graphics)
1987         return InvalidParameter;
1988
1989     if(graphics->busy)
1990         return ObjectBusy;
1991
1992     pt[0].X = x1;
1993     pt[0].Y = y1;
1994     pt[1].X = x2;
1995     pt[1].Y = y2;
1996
1997     save_state = prepare_dc(graphics, pen);
1998
1999     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2000
2001     restore_dc(graphics, save_state);
2002
2003     return retval;
2004 }
2005
2006 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
2007     INT y1, INT x2, INT y2)
2008 {
2009     INT save_state;
2010     GpPointF pt[2];
2011     GpStatus retval;
2012
2013     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
2014
2015     if(!pen || !graphics)
2016         return InvalidParameter;
2017
2018     if(graphics->busy)
2019         return ObjectBusy;
2020
2021     pt[0].X = (REAL)x1;
2022     pt[0].Y = (REAL)y1;
2023     pt[1].X = (REAL)x2;
2024     pt[1].Y = (REAL)y2;
2025
2026     save_state = prepare_dc(graphics, pen);
2027
2028     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2029
2030     restore_dc(graphics, save_state);
2031
2032     return retval;
2033 }
2034
2035 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
2036     GpPointF *points, INT count)
2037 {
2038     INT save_state;
2039     GpStatus retval;
2040
2041     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2042
2043     if(!pen || !graphics || (count < 2))
2044         return InvalidParameter;
2045
2046     if(graphics->busy)
2047         return ObjectBusy;
2048
2049     save_state = prepare_dc(graphics, pen);
2050
2051     retval = draw_polyline(graphics, pen, points, count, TRUE);
2052
2053     restore_dc(graphics, save_state);
2054
2055     return retval;
2056 }
2057
2058 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
2059     GpPoint *points, INT count)
2060 {
2061     INT save_state;
2062     GpStatus retval;
2063     GpPointF *ptf = NULL;
2064     int i;
2065
2066     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2067
2068     if(!pen || !graphics || (count < 2))
2069         return InvalidParameter;
2070
2071     if(graphics->busy)
2072         return ObjectBusy;
2073
2074     ptf = GdipAlloc(count * sizeof(GpPointF));
2075     if(!ptf) return OutOfMemory;
2076
2077     for(i = 0; i < count; i ++){
2078         ptf[i].X = (REAL) points[i].X;
2079         ptf[i].Y = (REAL) points[i].Y;
2080     }
2081
2082     save_state = prepare_dc(graphics, pen);
2083
2084     retval = draw_polyline(graphics, pen, ptf, count, TRUE);
2085
2086     restore_dc(graphics, save_state);
2087
2088     GdipFree(ptf);
2089     return retval;
2090 }
2091
2092 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
2093 {
2094     INT save_state;
2095     GpStatus retval;
2096
2097     TRACE("(%p, %p, %p)\n", graphics, pen, path);
2098
2099     if(!pen || !graphics)
2100         return InvalidParameter;
2101
2102     if(graphics->busy)
2103         return ObjectBusy;
2104
2105     save_state = prepare_dc(graphics, pen);
2106
2107     retval = draw_poly(graphics, pen, path->pathdata.Points,
2108                        path->pathdata.Types, path->pathdata.Count, TRUE);
2109
2110     restore_dc(graphics, save_state);
2111
2112     return retval;
2113 }
2114
2115 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
2116     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2117 {
2118     INT save_state;
2119
2120     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2121             width, height, startAngle, sweepAngle);
2122
2123     if(!graphics || !pen)
2124         return InvalidParameter;
2125
2126     if(graphics->busy)
2127         return ObjectBusy;
2128
2129     save_state = prepare_dc(graphics, pen);
2130     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2131
2132     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2133
2134     restore_dc(graphics, save_state);
2135
2136     return Ok;
2137 }
2138
2139 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
2140     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2141 {
2142     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2143             width, height, startAngle, sweepAngle);
2144
2145     return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2146 }
2147
2148 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
2149     REAL y, REAL width, REAL height)
2150 {
2151     INT save_state;
2152     GpPointF ptf[4];
2153     POINT pti[4];
2154
2155     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2156
2157     if(!pen || !graphics)
2158         return InvalidParameter;
2159
2160     if(graphics->busy)
2161         return ObjectBusy;
2162
2163     ptf[0].X = x;
2164     ptf[0].Y = y;
2165     ptf[1].X = x + width;
2166     ptf[1].Y = y;
2167     ptf[2].X = x + width;
2168     ptf[2].Y = y + height;
2169     ptf[3].X = x;
2170     ptf[3].Y = y + height;
2171
2172     save_state = prepare_dc(graphics, pen);
2173     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2174
2175     transform_and_round_points(graphics, pti, ptf, 4);
2176     Polygon(graphics->hdc, pti, 4);
2177
2178     restore_dc(graphics, save_state);
2179
2180     return Ok;
2181 }
2182
2183 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
2184     INT y, INT width, INT height)
2185 {
2186     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2187
2188     return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2189 }
2190
2191 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
2192     GDIPCONST GpRectF* rects, INT count)
2193 {
2194     GpPointF *ptf;
2195     POINT *pti;
2196     INT save_state, i;
2197
2198     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2199
2200     if(!graphics || !pen || !rects || count < 1)
2201         return InvalidParameter;
2202
2203     if(graphics->busy)
2204         return ObjectBusy;
2205
2206     ptf = GdipAlloc(4 * count * sizeof(GpPointF));
2207     pti = GdipAlloc(4 * count * sizeof(POINT));
2208
2209     if(!ptf || !pti){
2210         GdipFree(ptf);
2211         GdipFree(pti);
2212         return OutOfMemory;
2213     }
2214
2215     for(i = 0; i < count; i++){
2216         ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
2217         ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
2218         ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
2219         ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
2220     }
2221
2222     save_state = prepare_dc(graphics, pen);
2223     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2224
2225     transform_and_round_points(graphics, pti, ptf, 4 * count);
2226
2227     for(i = 0; i < count; i++)
2228         Polygon(graphics->hdc, &pti[4 * i], 4);
2229
2230     restore_dc(graphics, save_state);
2231
2232     GdipFree(ptf);
2233     GdipFree(pti);
2234
2235     return Ok;
2236 }
2237
2238 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
2239     GDIPCONST GpRect* rects, INT count)
2240 {
2241     GpRectF *rectsF;
2242     GpStatus ret;
2243     INT i;
2244
2245     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2246
2247     if(!rects || count<=0)
2248         return InvalidParameter;
2249
2250     rectsF = GdipAlloc(sizeof(GpRectF) * count);
2251     if(!rectsF)
2252         return OutOfMemory;
2253
2254     for(i = 0;i < count;i++){
2255         rectsF[i].X      = (REAL)rects[i].X;
2256         rectsF[i].Y      = (REAL)rects[i].Y;
2257         rectsF[i].Width  = (REAL)rects[i].Width;
2258         rectsF[i].Height = (REAL)rects[i].Height;
2259     }
2260
2261     ret = GdipDrawRectangles(graphics, pen, rectsF, count);
2262     GdipFree(rectsF);
2263
2264     return ret;
2265 }
2266
2267 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
2268     INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
2269     GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
2270 {
2271     HRGN rgn = NULL;
2272     HFONT gdifont;
2273     LOGFONTW lfw;
2274     TEXTMETRICW textmet;
2275     GpPointF pt[2], rectcpy[4];
2276     POINT corners[4];
2277     WCHAR* stringdup;
2278     REAL angle, ang_cos, ang_sin, rel_width, rel_height;
2279     INT sum = 0, height = 0, offsety = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
2280         nheight, lineend;
2281     SIZE size;
2282     POINT drawbase;
2283     UINT drawflags;
2284     RECT drawcoord;
2285
2286     TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
2287         length, font, debugstr_rectf(rect), format, brush);
2288
2289     if(!graphics || !string || !font || !brush || !rect)
2290         return InvalidParameter;
2291
2292     if((brush->bt != BrushTypeSolidColor)){
2293         FIXME("not implemented for given parameters\n");
2294         return NotImplemented;
2295     }
2296
2297     if(format){
2298         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2299
2300         /* Should be no need to explicitly test for StringAlignmentNear as
2301          * that is default behavior if no alignment is passed. */
2302         if(format->vertalign != StringAlignmentNear){
2303             RectF bounds;
2304             GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
2305
2306             if(format->vertalign == StringAlignmentCenter)
2307                 offsety = (rect->Height - bounds.Height) / 2;
2308             else if(format->vertalign == StringAlignmentFar)
2309                 offsety = (rect->Height - bounds.Height);
2310         }
2311     }
2312
2313     if(length == -1) length = lstrlenW(string);
2314
2315     stringdup = GdipAlloc(length * sizeof(WCHAR));
2316     if(!stringdup) return OutOfMemory;
2317
2318     save_state = SaveDC(graphics->hdc);
2319     SetBkMode(graphics->hdc, TRANSPARENT);
2320     SetTextColor(graphics->hdc, brush->lb.lbColor);
2321
2322     rectcpy[3].X = rectcpy[0].X = rect->X;
2323     rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
2324     rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
2325     rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
2326     transform_and_round_points(graphics, corners, rectcpy, 4);
2327
2328     if (roundr(rect->Width) == 0)
2329     {
2330         rel_width = 1.0;
2331         nwidth = INT_MAX;
2332     }
2333     else
2334     {
2335         rel_width = sqrt((corners[1].x - corners[0].x) * (corners[1].x - corners[0].x) +
2336                          (corners[1].y - corners[0].y) * (corners[1].y - corners[0].y))
2337                          / rect->Width;
2338         nwidth = roundr(rel_width * rect->Width);
2339     }
2340
2341     if (roundr(rect->Height) == 0)
2342     {
2343         rel_height = 1.0;
2344         nheight = INT_MAX;
2345     }
2346     else
2347     {
2348         rel_height = sqrt((corners[2].x - corners[1].x) * (corners[2].x - corners[1].x) +
2349                           (corners[2].y - corners[1].y) * (corners[2].y - corners[1].y))
2350                           / rect->Height;
2351         nheight = roundr(rel_height * rect->Height);
2352     }
2353
2354     if (roundr(rect->Width) != 0 && roundr(rect->Height) != 0)
2355     {
2356         /* FIXME: If only the width or only the height is 0, we should probably still clip */
2357         rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
2358         SelectClipRgn(graphics->hdc, rgn);
2359     }
2360
2361     /* Use gdi to find the font, then perform transformations on it (height,
2362      * width, angle). */
2363     SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2364     GetTextMetricsW(graphics->hdc, &textmet);
2365     lfw = font->lfw;
2366
2367     lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
2368     lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
2369
2370     pt[0].X = 0.0;
2371     pt[0].Y = 0.0;
2372     pt[1].X = 1.0;
2373     pt[1].Y = 0.0;
2374     GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
2375     angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2376     ang_cos = cos(angle);
2377     ang_sin = sin(angle);
2378     lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
2379
2380     gdifont = CreateFontIndirectW(&lfw);
2381     DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
2382
2383     for(i = 0, j = 0; i < length; i++){
2384         if(!isprintW(string[i]) && (string[i] != '\n'))
2385             continue;
2386
2387         stringdup[j] = string[i];
2388         j++;
2389     }
2390
2391     length = j;
2392
2393     if (!format || format->align == StringAlignmentNear)
2394     {
2395         drawbase.x = corners[0].x;
2396         drawbase.y = corners[0].y;
2397         drawflags = DT_NOCLIP | DT_EXPANDTABS;
2398     }
2399     else if (format->align == StringAlignmentCenter)
2400     {
2401         drawbase.x = (corners[0].x + corners[1].x)/2;
2402         drawbase.y = (corners[0].y + corners[1].y)/2;
2403         drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_CENTER;
2404     }
2405     else /* (format->align == StringAlignmentFar) */
2406     {
2407         drawbase.x = corners[1].x;
2408         drawbase.y = corners[1].y;
2409         drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_RIGHT;
2410     }
2411
2412     while(sum < length){
2413         drawcoord.left = drawcoord.right = drawbase.x + roundr(ang_sin * (REAL) height);
2414         drawcoord.top = drawcoord.bottom = drawbase.y + roundr(ang_cos * (REAL) height);
2415
2416         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2417                               nwidth, &fit, NULL, &size);
2418         fitcpy = fit;
2419
2420         if(fit == 0){
2421             DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, drawflags);
2422             break;
2423         }
2424
2425         for(lret = 0; lret < fit; lret++)
2426             if(*(stringdup + sum + lret) == '\n')
2427                 break;
2428
2429         /* Line break code (may look strange, but it imitates windows). */
2430         if(lret < fit)
2431             lineend = fit = lret;    /* this is not an off-by-one error */
2432         else if(fit < (length - sum)){
2433             if(*(stringdup + sum + fit) == ' ')
2434                 while(*(stringdup + sum + fit) == ' ')
2435                     fit++;
2436             else
2437                 while(*(stringdup + sum + fit - 1) != ' '){
2438                     fit--;
2439
2440                     if(*(stringdup + sum + fit) == '\t')
2441                         break;
2442
2443                     if(fit == 0){
2444                         fit = fitcpy;
2445                         break;
2446                     }
2447                 }
2448             lineend = fit;
2449             while(*(stringdup + sum + lineend - 1) == ' ' ||
2450                   *(stringdup + sum + lineend - 1) == '\t')
2451                 lineend--;
2452         }
2453         else
2454             lineend = fit;
2455         DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, lineend),
2456                   &drawcoord, drawflags);
2457
2458         sum += fit + (lret < fitcpy ? 1 : 0);
2459         height += size.cy;
2460
2461         if(height > nheight)
2462             break;
2463
2464         /* Stop if this was a linewrap (but not if it was a linebreak). */
2465         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2466             break;
2467     }
2468
2469     GdipFree(stringdup);
2470     DeleteObject(rgn);
2471     DeleteObject(gdifont);
2472
2473     RestoreDC(graphics->hdc, save_state);
2474
2475     return Ok;
2476 }
2477
2478 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
2479     GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
2480 {
2481     GpPath *path;
2482     GpStatus stat;
2483
2484     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2485             count, tension, fill);
2486
2487     if(!graphics || !brush || !points)
2488         return InvalidParameter;
2489
2490     if(graphics->busy)
2491         return ObjectBusy;
2492
2493     stat = GdipCreatePath(fill, &path);
2494     if(stat != Ok)
2495         return stat;
2496
2497     stat = GdipAddPathClosedCurve2(path, points, count, tension);
2498     if(stat != Ok){
2499         GdipDeletePath(path);
2500         return stat;
2501     }
2502
2503     stat = GdipFillPath(graphics, brush, path);
2504     if(stat != Ok){
2505         GdipDeletePath(path);
2506         return stat;
2507     }
2508
2509     GdipDeletePath(path);
2510
2511     return Ok;
2512 }
2513
2514 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
2515     GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
2516 {
2517     GpPointF *ptf;
2518     GpStatus stat;
2519     INT i;
2520
2521     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2522             count, tension, fill);
2523
2524     if(!points || count <= 0)
2525         return InvalidParameter;
2526
2527     ptf = GdipAlloc(sizeof(GpPointF)*count);
2528     if(!ptf)
2529         return OutOfMemory;
2530
2531     for(i = 0;i < count;i++){
2532         ptf[i].X = (REAL)points[i].X;
2533         ptf[i].Y = (REAL)points[i].Y;
2534     }
2535
2536     stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
2537
2538     GdipFree(ptf);
2539
2540     return stat;
2541 }
2542
2543 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
2544     REAL y, REAL width, REAL height)
2545 {
2546     INT save_state;
2547     GpPointF ptf[2];
2548     POINT pti[2];
2549
2550     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2551
2552     if(!graphics || !brush)
2553         return InvalidParameter;
2554
2555     if(graphics->busy)
2556         return ObjectBusy;
2557
2558     ptf[0].X = x;
2559     ptf[0].Y = y;
2560     ptf[1].X = x + width;
2561     ptf[1].Y = y + height;
2562
2563     save_state = SaveDC(graphics->hdc);
2564     EndPath(graphics->hdc);
2565
2566     transform_and_round_points(graphics, pti, ptf, 2);
2567
2568     BeginPath(graphics->hdc);
2569     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2570     EndPath(graphics->hdc);
2571
2572     brush_fill_path(graphics, brush);
2573
2574     RestoreDC(graphics->hdc, save_state);
2575
2576     return Ok;
2577 }
2578
2579 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
2580     INT y, INT width, INT height)
2581 {
2582     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2583
2584     return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2585 }
2586
2587 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
2588 {
2589     INT save_state;
2590     GpStatus retval;
2591
2592     TRACE("(%p, %p, %p)\n", graphics, brush, path);
2593
2594     if(!brush || !graphics || !path)
2595         return InvalidParameter;
2596
2597     if(graphics->busy)
2598         return ObjectBusy;
2599
2600     save_state = SaveDC(graphics->hdc);
2601     EndPath(graphics->hdc);
2602     SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
2603                                                                     : WINDING));
2604
2605     BeginPath(graphics->hdc);
2606     retval = draw_poly(graphics, NULL, path->pathdata.Points,
2607                        path->pathdata.Types, path->pathdata.Count, FALSE);
2608
2609     if(retval != Ok)
2610         goto end;
2611
2612     EndPath(graphics->hdc);
2613     brush_fill_path(graphics, brush);
2614
2615     retval = Ok;
2616
2617 end:
2618     RestoreDC(graphics->hdc, save_state);
2619
2620     return retval;
2621 }
2622
2623 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
2624     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2625 {
2626     INT save_state;
2627
2628     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
2629             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2630
2631     if(!graphics || !brush)
2632         return InvalidParameter;
2633
2634     if(graphics->busy)
2635         return ObjectBusy;
2636
2637     save_state = SaveDC(graphics->hdc);
2638     EndPath(graphics->hdc);
2639
2640     BeginPath(graphics->hdc);
2641     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2642     EndPath(graphics->hdc);
2643
2644     brush_fill_path(graphics, brush);
2645
2646     RestoreDC(graphics->hdc, save_state);
2647
2648     return Ok;
2649 }
2650
2651 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2652     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2653 {
2654     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
2655             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2656
2657     return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2658 }
2659
2660 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2661     GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2662 {
2663     INT save_state;
2664     GpPointF *ptf = NULL;
2665     POINT *pti = NULL;
2666     GpStatus retval = Ok;
2667
2668     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2669
2670     if(!graphics || !brush || !points || !count)
2671         return InvalidParameter;
2672
2673     if(graphics->busy)
2674         return ObjectBusy;
2675
2676     ptf = GdipAlloc(count * sizeof(GpPointF));
2677     pti = GdipAlloc(count * sizeof(POINT));
2678     if(!ptf || !pti){
2679         retval = OutOfMemory;
2680         goto end;
2681     }
2682
2683     memcpy(ptf, points, count * sizeof(GpPointF));
2684
2685     save_state = SaveDC(graphics->hdc);
2686     EndPath(graphics->hdc);
2687     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2688                                                                   : WINDING));
2689
2690     transform_and_round_points(graphics, pti, ptf, count);
2691
2692     BeginPath(graphics->hdc);
2693     Polygon(graphics->hdc, pti, count);
2694     EndPath(graphics->hdc);
2695
2696     brush_fill_path(graphics, brush);
2697
2698     RestoreDC(graphics->hdc, save_state);
2699
2700 end:
2701     GdipFree(ptf);
2702     GdipFree(pti);
2703
2704     return retval;
2705 }
2706
2707 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2708     GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2709 {
2710     INT save_state, i;
2711     GpPointF *ptf = NULL;
2712     POINT *pti = NULL;
2713     GpStatus retval = Ok;
2714
2715     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2716
2717     if(!graphics || !brush || !points || !count)
2718         return InvalidParameter;
2719
2720     if(graphics->busy)
2721         return ObjectBusy;
2722
2723     ptf = GdipAlloc(count * sizeof(GpPointF));
2724     pti = GdipAlloc(count * sizeof(POINT));
2725     if(!ptf || !pti){
2726         retval = OutOfMemory;
2727         goto end;
2728     }
2729
2730     for(i = 0; i < count; i ++){
2731         ptf[i].X = (REAL) points[i].X;
2732         ptf[i].Y = (REAL) points[i].Y;
2733     }
2734
2735     save_state = SaveDC(graphics->hdc);
2736     EndPath(graphics->hdc);
2737     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2738                                                                   : WINDING));
2739
2740     transform_and_round_points(graphics, pti, ptf, count);
2741
2742     BeginPath(graphics->hdc);
2743     Polygon(graphics->hdc, pti, count);
2744     EndPath(graphics->hdc);
2745
2746     brush_fill_path(graphics, brush);
2747
2748     RestoreDC(graphics->hdc, save_state);
2749
2750 end:
2751     GdipFree(ptf);
2752     GdipFree(pti);
2753
2754     return retval;
2755 }
2756
2757 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2758     GDIPCONST GpPointF *points, INT count)
2759 {
2760     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2761
2762     return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2763 }
2764
2765 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2766     GDIPCONST GpPoint *points, INT count)
2767 {
2768     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2769
2770     return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2771 }
2772
2773 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2774     REAL x, REAL y, REAL width, REAL height)
2775 {
2776     INT save_state;
2777     GpPointF ptf[4];
2778     POINT pti[4];
2779
2780     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2781
2782     if(!graphics || !brush)
2783         return InvalidParameter;
2784
2785     if(graphics->busy)
2786         return ObjectBusy;
2787
2788     ptf[0].X = x;
2789     ptf[0].Y = y;
2790     ptf[1].X = x + width;
2791     ptf[1].Y = y;
2792     ptf[2].X = x + width;
2793     ptf[2].Y = y + height;
2794     ptf[3].X = x;
2795     ptf[3].Y = y + height;
2796
2797     save_state = SaveDC(graphics->hdc);
2798     EndPath(graphics->hdc);
2799
2800     transform_and_round_points(graphics, pti, ptf, 4);
2801
2802     BeginPath(graphics->hdc);
2803     Polygon(graphics->hdc, pti, 4);
2804     EndPath(graphics->hdc);
2805
2806     brush_fill_path(graphics, brush);
2807
2808     RestoreDC(graphics->hdc, save_state);
2809
2810     return Ok;
2811 }
2812
2813 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
2814     INT x, INT y, INT width, INT height)
2815 {
2816     INT save_state;
2817     GpPointF ptf[4];
2818     POINT pti[4];
2819
2820     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2821
2822     if(!graphics || !brush)
2823         return InvalidParameter;
2824
2825     if(graphics->busy)
2826         return ObjectBusy;
2827
2828     ptf[0].X = x;
2829     ptf[0].Y = y;
2830     ptf[1].X = x + width;
2831     ptf[1].Y = y;
2832     ptf[2].X = x + width;
2833     ptf[2].Y = y + height;
2834     ptf[3].X = x;
2835     ptf[3].Y = y + height;
2836
2837     save_state = SaveDC(graphics->hdc);
2838     EndPath(graphics->hdc);
2839
2840     transform_and_round_points(graphics, pti, ptf, 4);
2841
2842     BeginPath(graphics->hdc);
2843     Polygon(graphics->hdc, pti, 4);
2844     EndPath(graphics->hdc);
2845
2846     brush_fill_path(graphics, brush);
2847
2848     RestoreDC(graphics->hdc, save_state);
2849
2850     return Ok;
2851 }
2852
2853 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
2854     INT count)
2855 {
2856     GpStatus ret;
2857     INT i;
2858
2859     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2860
2861     if(!rects)
2862         return InvalidParameter;
2863
2864     for(i = 0; i < count; i++){
2865         ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
2866         if(ret != Ok)   return ret;
2867     }
2868
2869     return Ok;
2870 }
2871
2872 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
2873     INT count)
2874 {
2875     GpRectF *rectsF;
2876     GpStatus ret;
2877     INT i;
2878
2879     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2880
2881     if(!rects || count <= 0)
2882         return InvalidParameter;
2883
2884     rectsF = GdipAlloc(sizeof(GpRectF)*count);
2885     if(!rectsF)
2886         return OutOfMemory;
2887
2888     for(i = 0; i < count; i++){
2889         rectsF[i].X      = (REAL)rects[i].X;
2890         rectsF[i].Y      = (REAL)rects[i].Y;
2891         rectsF[i].X      = (REAL)rects[i].Width;
2892         rectsF[i].Height = (REAL)rects[i].Height;
2893     }
2894
2895     ret = GdipFillRectangles(graphics,brush,rectsF,count);
2896     GdipFree(rectsF);
2897
2898     return ret;
2899 }
2900
2901 /*****************************************************************************
2902  * GdipFillRegion [GDIPLUS.@]
2903  */
2904 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
2905         GpRegion* region)
2906 {
2907     INT save_state;
2908     GpStatus status;
2909     HRGN hrgn;
2910     RECT rc;
2911
2912     TRACE("(%p, %p, %p)\n", graphics, brush, region);
2913
2914     if (!(graphics && brush && region))
2915         return InvalidParameter;
2916
2917     if(graphics->busy)
2918         return ObjectBusy;
2919
2920     status = GdipGetRegionHRgn(region, graphics, &hrgn);
2921     if(status != Ok)
2922         return status;
2923
2924     save_state = SaveDC(graphics->hdc);
2925     EndPath(graphics->hdc);
2926
2927     ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
2928
2929     if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
2930     {
2931         BeginPath(graphics->hdc);
2932         Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
2933         EndPath(graphics->hdc);
2934
2935         brush_fill_path(graphics, brush);
2936     }
2937
2938     RestoreDC(graphics->hdc, save_state);
2939
2940     DeleteObject(hrgn);
2941
2942     return Ok;
2943 }
2944
2945 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
2946 {
2947     static int calls;
2948
2949     if(!graphics)
2950         return InvalidParameter;
2951
2952     if(graphics->busy)
2953         return ObjectBusy;
2954
2955     if(!(calls++))
2956         FIXME("not implemented\n");
2957
2958     return NotImplemented;
2959 }
2960
2961 /*****************************************************************************
2962  * GdipGetClipBounds [GDIPLUS.@]
2963  */
2964 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
2965 {
2966     TRACE("(%p, %p)\n", graphics, rect);
2967
2968     if(!graphics)
2969         return InvalidParameter;
2970
2971     if(graphics->busy)
2972         return ObjectBusy;
2973
2974     return GdipGetRegionBounds(graphics->clip, graphics, rect);
2975 }
2976
2977 /*****************************************************************************
2978  * GdipGetClipBoundsI [GDIPLUS.@]
2979  */
2980 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
2981 {
2982     TRACE("(%p, %p)\n", graphics, rect);
2983
2984     if(!graphics)
2985         return InvalidParameter;
2986
2987     if(graphics->busy)
2988         return ObjectBusy;
2989
2990     return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
2991 }
2992
2993 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
2994 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
2995     CompositingMode *mode)
2996 {
2997     TRACE("(%p, %p)\n", graphics, mode);
2998
2999     if(!graphics || !mode)
3000         return InvalidParameter;
3001
3002     if(graphics->busy)
3003         return ObjectBusy;
3004
3005     *mode = graphics->compmode;
3006
3007     return Ok;
3008 }
3009
3010 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
3011 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
3012     CompositingQuality *quality)
3013 {
3014     TRACE("(%p, %p)\n", graphics, quality);
3015
3016     if(!graphics || !quality)
3017         return InvalidParameter;
3018
3019     if(graphics->busy)
3020         return ObjectBusy;
3021
3022     *quality = graphics->compqual;
3023
3024     return Ok;
3025 }
3026
3027 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
3028 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
3029     InterpolationMode *mode)
3030 {
3031     TRACE("(%p, %p)\n", graphics, mode);
3032
3033     if(!graphics || !mode)
3034         return InvalidParameter;
3035
3036     if(graphics->busy)
3037         return ObjectBusy;
3038
3039     *mode = graphics->interpolation;
3040
3041     return Ok;
3042 }
3043
3044 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
3045 {
3046     if(!graphics || !argb)
3047         return InvalidParameter;
3048
3049     if(graphics->busy)
3050         return ObjectBusy;
3051
3052     FIXME("(%p, %p): stub\n", graphics, argb);
3053
3054     return NotImplemented;
3055 }
3056
3057 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
3058 {
3059     TRACE("(%p, %p)\n", graphics, scale);
3060
3061     if(!graphics || !scale)
3062         return InvalidParameter;
3063
3064     if(graphics->busy)
3065         return ObjectBusy;
3066
3067     *scale = graphics->scale;
3068
3069     return Ok;
3070 }
3071
3072 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
3073 {
3074     TRACE("(%p, %p)\n", graphics, unit);
3075
3076     if(!graphics || !unit)
3077         return InvalidParameter;
3078
3079     if(graphics->busy)
3080         return ObjectBusy;
3081
3082     *unit = graphics->unit;
3083
3084     return Ok;
3085 }
3086
3087 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
3088 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3089     *mode)
3090 {
3091     TRACE("(%p, %p)\n", graphics, mode);
3092
3093     if(!graphics || !mode)
3094         return InvalidParameter;
3095
3096     if(graphics->busy)
3097         return ObjectBusy;
3098
3099     *mode = graphics->pixeloffset;
3100
3101     return Ok;
3102 }
3103
3104 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
3105 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
3106 {
3107     TRACE("(%p, %p)\n", graphics, mode);
3108
3109     if(!graphics || !mode)
3110         return InvalidParameter;
3111
3112     if(graphics->busy)
3113         return ObjectBusy;
3114
3115     *mode = graphics->smoothing;
3116
3117     return Ok;
3118 }
3119
3120 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
3121 {
3122     TRACE("(%p, %p)\n", graphics, contrast);
3123
3124     if(!graphics || !contrast)
3125         return InvalidParameter;
3126
3127     *contrast = graphics->textcontrast;
3128
3129     return Ok;
3130 }
3131
3132 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
3133 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
3134     TextRenderingHint *hint)
3135 {
3136     TRACE("(%p, %p)\n", graphics, hint);
3137
3138     if(!graphics || !hint)
3139         return InvalidParameter;
3140
3141     if(graphics->busy)
3142         return ObjectBusy;
3143
3144     *hint = graphics->texthint;
3145
3146     return Ok;
3147 }
3148
3149 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
3150 {
3151     GpRegion *clip_rgn;
3152     GpStatus stat;
3153
3154     TRACE("(%p, %p)\n", graphics, rect);
3155
3156     if(!graphics || !rect)
3157         return InvalidParameter;
3158
3159     if(graphics->busy)
3160         return ObjectBusy;
3161
3162     /* intersect window and graphics clipping regions */
3163     if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
3164         return stat;
3165
3166     if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
3167         goto cleanup;
3168
3169     /* get bounds of the region */
3170     stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
3171
3172 cleanup:
3173     GdipDeleteRegion(clip_rgn);
3174
3175     return stat;
3176 }
3177
3178 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
3179 {
3180     GpRectF rectf;
3181     GpStatus stat;
3182
3183     TRACE("(%p, %p)\n", graphics, rect);
3184
3185     if(!graphics || !rect)
3186         return InvalidParameter;
3187
3188     if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
3189     {
3190         rect->X = roundr(rectf.X);
3191         rect->Y = roundr(rectf.Y);
3192         rect->Width  = roundr(rectf.Width);
3193         rect->Height = roundr(rectf.Height);
3194     }
3195
3196     return stat;
3197 }
3198
3199 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3200 {
3201     TRACE("(%p, %p)\n", graphics, matrix);
3202
3203     if(!graphics || !matrix)
3204         return InvalidParameter;
3205
3206     if(graphics->busy)
3207         return ObjectBusy;
3208
3209     *matrix = *graphics->worldtrans;
3210     return Ok;
3211 }
3212
3213 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
3214 {
3215     GpSolidFill *brush;
3216     GpStatus stat;
3217     GpRectF wnd_rect;
3218
3219     TRACE("(%p, %x)\n", graphics, color);
3220
3221     if(!graphics)
3222         return InvalidParameter;
3223
3224     if(graphics->busy)
3225         return ObjectBusy;
3226
3227     if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
3228         return stat;
3229
3230     if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
3231         GdipDeleteBrush((GpBrush*)brush);
3232         return stat;
3233     }
3234
3235     GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
3236                                                  wnd_rect.Width, wnd_rect.Height);
3237
3238     GdipDeleteBrush((GpBrush*)brush);
3239
3240     return Ok;
3241 }
3242
3243 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
3244 {
3245     TRACE("(%p, %p)\n", graphics, res);
3246
3247     if(!graphics || !res)
3248         return InvalidParameter;
3249
3250     return GdipIsEmptyRegion(graphics->clip, graphics, res);
3251 }
3252
3253 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
3254 {
3255     GpStatus stat;
3256     GpRegion* rgn;
3257     GpPointF pt;
3258
3259     TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
3260
3261     if(!graphics || !result)
3262         return InvalidParameter;
3263
3264     if(graphics->busy)
3265         return ObjectBusy;
3266
3267     pt.X = x;
3268     pt.Y = y;
3269     if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
3270                    CoordinateSpaceWorld, &pt, 1)) != Ok)
3271         return stat;
3272
3273     if((stat = GdipCreateRegion(&rgn)) != Ok)
3274         return stat;
3275
3276     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
3277         goto cleanup;
3278
3279     stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
3280
3281 cleanup:
3282     GdipDeleteRegion(rgn);
3283     return stat;
3284 }
3285
3286 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
3287 {
3288     return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
3289 }
3290
3291 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
3292         GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
3293         GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
3294         INT regionCount, GpRegion** regions)
3295 {
3296     if (!(graphics && string && font && layoutRect && stringFormat && regions))
3297         return InvalidParameter;
3298
3299     FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
3300             length, font, layoutRect, stringFormat, regionCount, regions);
3301
3302     return NotImplemented;
3303 }
3304
3305 /* Find the smallest rectangle that bounds the text when it is printed in rect
3306  * according to the format options listed in format. If rect has 0 width and
3307  * height, then just find the smallest rectangle that bounds the text when it's
3308  * printed at location (rect->X, rect-Y). */
3309 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
3310     GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
3311     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
3312     INT *codepointsfitted, INT *linesfilled)
3313 {
3314     HFONT oldfont;
3315     WCHAR* stringdup;
3316     INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
3317         nheight, lineend;
3318     SIZE size;
3319
3320     TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
3321         debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
3322         bounds, codepointsfitted, linesfilled);
3323
3324     if(!graphics || !string || !font || !rect)
3325         return InvalidParameter;
3326
3327     if(linesfilled) *linesfilled = 0;
3328     if(codepointsfitted) *codepointsfitted = 0;
3329
3330     if(format)
3331         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
3332
3333     if(length == -1) length = lstrlenW(string);
3334
3335     stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
3336     if(!stringdup) return OutOfMemory;
3337
3338     oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
3339     nwidth = roundr(rect->Width);
3340     nheight = roundr(rect->Height);
3341
3342     if((nwidth == 0) && (nheight == 0))
3343         nwidth = nheight = INT_MAX;
3344
3345     for(i = 0, j = 0; i < length; i++){
3346         if(!isprintW(string[i]) && (string[i] != '\n'))
3347             continue;
3348
3349         stringdup[j] = string[i];
3350         j++;
3351     }
3352
3353     stringdup[j] = 0;
3354     length = j;
3355
3356     while(sum < length){
3357         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
3358                               nwidth, &fit, NULL, &size);
3359         fitcpy = fit;
3360
3361         if(fit == 0)
3362             break;
3363
3364         for(lret = 0; lret < fit; lret++)
3365             if(*(stringdup + sum + lret) == '\n')
3366                 break;
3367
3368         /* Line break code (may look strange, but it imitates windows). */
3369         if(lret < fit)
3370             lineend = fit = lret;    /* this is not an off-by-one error */
3371         else if(fit < (length - sum)){
3372             if(*(stringdup + sum + fit) == ' ')
3373                 while(*(stringdup + sum + fit) == ' ')
3374                     fit++;
3375             else
3376                 while(*(stringdup + sum + fit - 1) != ' '){
3377                     fit--;
3378
3379                     if(*(stringdup + sum + fit) == '\t')
3380                         break;
3381
3382                     if(fit == 0){
3383                         fit = fitcpy;
3384                         break;
3385                     }
3386                 }
3387             lineend = fit;
3388             while(*(stringdup + sum + lineend - 1) == ' ' ||
3389                   *(stringdup + sum + lineend - 1) == '\t')
3390                 lineend--;
3391         }
3392         else
3393             lineend = fit;
3394
3395         GetTextExtentExPointW(graphics->hdc, stringdup + sum, lineend,
3396                               nwidth, &j, NULL, &size);
3397
3398         sum += fit + (lret < fitcpy ? 1 : 0);
3399         if(codepointsfitted) *codepointsfitted = sum;
3400
3401         height += size.cy;
3402         if(linesfilled) *linesfilled += size.cy;
3403         max_width = max(max_width, size.cx);
3404
3405         if(height > nheight)
3406             break;
3407
3408         /* Stop if this was a linewrap (but not if it was a linebreak). */
3409         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
3410             break;
3411     }
3412
3413     bounds->X = rect->X;
3414     bounds->Y = rect->Y;
3415     bounds->Width = (REAL)max_width;
3416     bounds->Height = (REAL) min(height, nheight);
3417
3418     GdipFree(stringdup);
3419     DeleteObject(SelectObject(graphics->hdc, oldfont));
3420
3421     return Ok;
3422 }
3423
3424 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
3425 {
3426     TRACE("(%p)\n", graphics);
3427
3428     if(!graphics)
3429         return InvalidParameter;
3430
3431     if(graphics->busy)
3432         return ObjectBusy;
3433
3434     return GdipSetInfinite(graphics->clip);
3435 }
3436
3437 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
3438 {
3439     TRACE("(%p)\n", graphics);
3440
3441     if(!graphics)
3442         return InvalidParameter;
3443
3444     if(graphics->busy)
3445         return ObjectBusy;
3446
3447     graphics->worldtrans->matrix[0] = 1.0;
3448     graphics->worldtrans->matrix[1] = 0.0;
3449     graphics->worldtrans->matrix[2] = 0.0;
3450     graphics->worldtrans->matrix[3] = 1.0;
3451     graphics->worldtrans->matrix[4] = 0.0;
3452     graphics->worldtrans->matrix[5] = 0.0;
3453
3454     return Ok;
3455 }
3456
3457 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
3458 {
3459     return GdipEndContainer(graphics, state);
3460 }
3461
3462 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
3463     GpMatrixOrder order)
3464 {
3465     TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
3466
3467     if(!graphics)
3468         return InvalidParameter;
3469
3470     if(graphics->busy)
3471         return ObjectBusy;
3472
3473     return GdipRotateMatrix(graphics->worldtrans, angle, order);
3474 }
3475
3476 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
3477 {
3478     return GdipBeginContainer2(graphics, state);
3479 }
3480
3481 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
3482         GraphicsContainer *state)
3483 {
3484     GraphicsContainerItem *container;
3485     GpStatus sts;
3486
3487     TRACE("(%p, %p)\n", graphics, state);
3488
3489     if(!graphics || !state)
3490         return InvalidParameter;
3491
3492     sts = init_container(&container, graphics);
3493     if(sts != Ok)
3494         return sts;
3495
3496     list_add_head(&graphics->containers, &container->entry);
3497     *state = graphics->contid = container->contid;
3498
3499     return Ok;
3500 }
3501
3502 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
3503 {
3504     FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3505     return NotImplemented;
3506 }
3507
3508 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
3509 {
3510     FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3511     return NotImplemented;
3512 }
3513
3514 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
3515 {
3516     FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
3517     return NotImplemented;
3518 }
3519
3520 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
3521 {
3522     GpStatus sts;
3523     GraphicsContainerItem *container, *container2;
3524
3525     TRACE("(%p, %x)\n", graphics, state);
3526
3527     if(!graphics)
3528         return InvalidParameter;
3529
3530     LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
3531         if(container->contid == state)
3532             break;
3533     }
3534
3535     /* did not find a matching container */
3536     if(&container->entry == &graphics->containers)
3537         return Ok;
3538
3539     sts = restore_container(graphics, container);
3540     if(sts != Ok)
3541         return sts;
3542
3543     /* remove all of the containers on top of the found container */
3544     LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
3545         if(container->contid == state)
3546             break;
3547         list_remove(&container->entry);
3548         delete_container(container);
3549     }
3550
3551     list_remove(&container->entry);
3552     delete_container(container);
3553
3554     return Ok;
3555 }
3556
3557 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
3558     REAL sy, GpMatrixOrder order)
3559 {
3560     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
3561
3562     if(!graphics)
3563         return InvalidParameter;
3564
3565     if(graphics->busy)
3566         return ObjectBusy;
3567
3568     return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
3569 }
3570
3571 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
3572     CombineMode mode)
3573 {
3574     TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
3575
3576     if(!graphics || !srcgraphics)
3577         return InvalidParameter;
3578
3579     return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
3580 }
3581
3582 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
3583     CompositingMode mode)
3584 {
3585     TRACE("(%p, %d)\n", graphics, mode);
3586
3587     if(!graphics)
3588         return InvalidParameter;
3589
3590     if(graphics->busy)
3591         return ObjectBusy;
3592
3593     graphics->compmode = mode;
3594
3595     return Ok;
3596 }
3597
3598 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
3599     CompositingQuality quality)
3600 {
3601     TRACE("(%p, %d)\n", graphics, quality);
3602
3603     if(!graphics)
3604         return InvalidParameter;
3605
3606     if(graphics->busy)
3607         return ObjectBusy;
3608
3609     graphics->compqual = quality;
3610
3611     return Ok;
3612 }
3613
3614 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
3615     InterpolationMode mode)
3616 {
3617     TRACE("(%p, %d)\n", graphics, mode);
3618
3619     if(!graphics)
3620         return InvalidParameter;
3621
3622     if(graphics->busy)
3623         return ObjectBusy;
3624
3625     graphics->interpolation = mode;
3626
3627     return Ok;
3628 }
3629
3630 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
3631 {
3632     TRACE("(%p, %.2f)\n", graphics, scale);
3633
3634     if(!graphics || (scale <= 0.0))
3635         return InvalidParameter;
3636
3637     if(graphics->busy)
3638         return ObjectBusy;
3639
3640     graphics->scale = scale;
3641
3642     return Ok;
3643 }
3644
3645 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
3646 {
3647     TRACE("(%p, %d)\n", graphics, unit);
3648
3649     if(!graphics)
3650         return InvalidParameter;
3651
3652     if(graphics->busy)
3653         return ObjectBusy;
3654
3655     if(unit == UnitWorld)
3656         return InvalidParameter;
3657
3658     graphics->unit = unit;
3659
3660     return Ok;
3661 }
3662
3663 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3664     mode)
3665 {
3666     TRACE("(%p, %d)\n", graphics, mode);
3667
3668     if(!graphics)
3669         return InvalidParameter;
3670
3671     if(graphics->busy)
3672         return ObjectBusy;
3673
3674     graphics->pixeloffset = mode;
3675
3676     return Ok;
3677 }
3678
3679 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
3680 {
3681     static int calls;
3682
3683     TRACE("(%p,%i,%i)\n", graphics, x, y);
3684
3685     if (!(calls++))
3686         FIXME("not implemented\n");
3687
3688     return NotImplemented;
3689 }
3690
3691 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
3692 {
3693     TRACE("(%p, %d)\n", graphics, mode);
3694
3695     if(!graphics)
3696         return InvalidParameter;
3697
3698     if(graphics->busy)
3699         return ObjectBusy;
3700
3701     graphics->smoothing = mode;
3702
3703     return Ok;
3704 }
3705
3706 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
3707 {
3708     TRACE("(%p, %d)\n", graphics, contrast);
3709
3710     if(!graphics)
3711         return InvalidParameter;
3712
3713     graphics->textcontrast = contrast;
3714
3715     return Ok;
3716 }
3717
3718 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
3719     TextRenderingHint hint)
3720 {
3721     TRACE("(%p, %d)\n", graphics, hint);
3722
3723     if(!graphics)
3724         return InvalidParameter;
3725
3726     if(graphics->busy)
3727         return ObjectBusy;
3728
3729     graphics->texthint = hint;
3730
3731     return Ok;
3732 }
3733
3734 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3735 {
3736     TRACE("(%p, %p)\n", graphics, matrix);
3737
3738     if(!graphics || !matrix)
3739         return InvalidParameter;
3740
3741     if(graphics->busy)
3742         return ObjectBusy;
3743
3744     GdipDeleteMatrix(graphics->worldtrans);
3745     return GdipCloneMatrix(matrix, &graphics->worldtrans);
3746 }
3747
3748 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
3749     REAL dy, GpMatrixOrder order)
3750 {
3751     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
3752
3753     if(!graphics)
3754         return InvalidParameter;
3755
3756     if(graphics->busy)
3757         return ObjectBusy;
3758
3759     return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
3760 }
3761
3762 /*****************************************************************************
3763  * GdipSetClipHrgn [GDIPLUS.@]
3764  */
3765 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
3766 {
3767     GpRegion *region;
3768     GpStatus status;
3769
3770     TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
3771
3772     if(!graphics)
3773         return InvalidParameter;
3774
3775     status = GdipCreateRegionHrgn(hrgn, &region);
3776     if(status != Ok)
3777         return status;
3778
3779     status = GdipSetClipRegion(graphics, region, mode);
3780
3781     GdipDeleteRegion(region);
3782     return status;
3783 }
3784
3785 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
3786 {
3787     TRACE("(%p, %p, %d)\n", graphics, path, mode);
3788
3789     if(!graphics)
3790         return InvalidParameter;
3791
3792     if(graphics->busy)
3793         return ObjectBusy;
3794
3795     return GdipCombineRegionPath(graphics->clip, path, mode);
3796 }
3797
3798 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
3799                                     REAL width, REAL height,
3800                                     CombineMode mode)
3801 {
3802     GpRectF rect;
3803
3804     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
3805
3806     if(!graphics)
3807         return InvalidParameter;
3808
3809     if(graphics->busy)
3810         return ObjectBusy;
3811
3812     rect.X = x;
3813     rect.Y = y;
3814     rect.Width  = width;
3815     rect.Height = height;
3816
3817     return GdipCombineRegionRect(graphics->clip, &rect, mode);
3818 }
3819
3820 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
3821                                      INT width, INT height,
3822                                      CombineMode mode)
3823 {
3824     TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
3825
3826     if(!graphics)
3827         return InvalidParameter;
3828
3829     if(graphics->busy)
3830         return ObjectBusy;
3831
3832     return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
3833 }
3834
3835 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
3836                                       CombineMode mode)
3837 {
3838     TRACE("(%p, %p, %d)\n", graphics, region, mode);
3839
3840     if(!graphics || !region)
3841         return InvalidParameter;
3842
3843     if(graphics->busy)
3844         return ObjectBusy;
3845
3846     return GdipCombineRegionRegion(graphics->clip, region, mode);
3847 }
3848
3849 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
3850     UINT limitDpi)
3851 {
3852     static int calls;
3853
3854     if(!(calls++))
3855         FIXME("not implemented\n");
3856
3857     return NotImplemented;
3858 }
3859
3860 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
3861     INT count)
3862 {
3863     INT save_state;
3864     POINT *pti;
3865
3866     TRACE("(%p, %p, %d)\n", graphics, points, count);
3867
3868     if(!graphics || !pen || count<=0)
3869         return InvalidParameter;
3870
3871     if(graphics->busy)
3872         return ObjectBusy;
3873
3874     pti = GdipAlloc(sizeof(POINT) * count);
3875
3876     save_state = prepare_dc(graphics, pen);
3877     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3878
3879     transform_and_round_points(graphics, pti, (GpPointF*)points, count);
3880     Polygon(graphics->hdc, pti, count);
3881
3882     restore_dc(graphics, save_state);
3883     GdipFree(pti);
3884
3885     return Ok;
3886 }
3887
3888 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
3889     INT count)
3890 {
3891     GpStatus ret;
3892     GpPointF *ptf;
3893     INT i;
3894
3895     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3896
3897     if(count<=0)    return InvalidParameter;
3898     ptf = GdipAlloc(sizeof(GpPointF) * count);
3899
3900     for(i = 0;i < count; i++){
3901         ptf[i].X = (REAL)points[i].X;
3902         ptf[i].Y = (REAL)points[i].Y;
3903     }
3904
3905     ret = GdipDrawPolygon(graphics,pen,ptf,count);
3906     GdipFree(ptf);
3907
3908     return ret;
3909 }
3910
3911 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
3912 {
3913     TRACE("(%p, %p)\n", graphics, dpi);
3914
3915     if(!graphics || !dpi)
3916         return InvalidParameter;
3917
3918     if(graphics->busy)
3919         return ObjectBusy;
3920
3921     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
3922
3923     return Ok;
3924 }
3925
3926 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
3927 {
3928     TRACE("(%p, %p)\n", graphics, dpi);
3929
3930     if(!graphics || !dpi)
3931         return InvalidParameter;
3932
3933     if(graphics->busy)
3934         return ObjectBusy;
3935
3936     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
3937
3938     return Ok;
3939 }
3940
3941 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
3942     GpMatrixOrder order)
3943 {
3944     GpMatrix m;
3945     GpStatus ret;
3946
3947     TRACE("(%p, %p, %d)\n", graphics, matrix, order);
3948
3949     if(!graphics || !matrix)
3950         return InvalidParameter;
3951
3952     if(graphics->busy)
3953         return ObjectBusy;
3954
3955     m = *(graphics->worldtrans);
3956
3957     ret = GdipMultiplyMatrix(&m, matrix, order);
3958     if(ret == Ok)
3959         *(graphics->worldtrans) = m;
3960
3961     return ret;
3962 }
3963
3964 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
3965 {
3966     TRACE("(%p, %p)\n", graphics, hdc);
3967
3968     if(!graphics || !hdc)
3969         return InvalidParameter;
3970
3971     if(graphics->busy)
3972         return ObjectBusy;
3973
3974     *hdc = graphics->hdc;
3975     graphics->busy = TRUE;
3976
3977     return Ok;
3978 }
3979
3980 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
3981 {
3982     TRACE("(%p, %p)\n", graphics, hdc);
3983
3984     if(!graphics)
3985         return InvalidParameter;
3986
3987     if(graphics->hdc != hdc || !(graphics->busy))
3988         return InvalidParameter;
3989
3990     graphics->busy = FALSE;
3991
3992     return Ok;
3993 }
3994
3995 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
3996 {
3997     GpRegion *clip;
3998     GpStatus status;
3999
4000     TRACE("(%p, %p)\n", graphics, region);
4001
4002     if(!graphics || !region)
4003         return InvalidParameter;
4004
4005     if(graphics->busy)
4006         return ObjectBusy;
4007
4008     if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
4009         return status;
4010
4011     /* free everything except root node and header */
4012     delete_element(&region->node);
4013     memcpy(region, clip, sizeof(GpRegion));
4014
4015     return Ok;
4016 }
4017
4018 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
4019                                         GpCoordinateSpace src_space, GpPointF *points, INT count)
4020 {
4021     GpMatrix *matrix;
4022     GpStatus stat;
4023     REAL unitscale;
4024
4025     if(!graphics || !points || count <= 0)
4026         return InvalidParameter;
4027
4028     if(graphics->busy)
4029         return ObjectBusy;
4030
4031     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
4032
4033     if (src_space == dst_space) return Ok;
4034
4035     stat = GdipCreateMatrix(&matrix);
4036     if (stat == Ok)
4037     {
4038         unitscale = convert_unit(graphics->hdc, graphics->unit);
4039
4040         if(graphics->unit != UnitDisplay)
4041             unitscale *= graphics->scale;
4042
4043         /* transform from src_space to CoordinateSpacePage */
4044         switch (src_space)
4045         {
4046         case CoordinateSpaceWorld:
4047             GdipMultiplyMatrix(matrix, graphics->worldtrans, MatrixOrderAppend);
4048             break;
4049         case CoordinateSpacePage:
4050             break;
4051         case CoordinateSpaceDevice:
4052             GdipScaleMatrix(matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
4053             break;
4054         }
4055
4056         /* transform from CoordinateSpacePage to dst_space */
4057         switch (dst_space)
4058         {
4059         case CoordinateSpaceWorld:
4060             {
4061                 GpMatrix *inverted_transform;
4062                 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
4063                 if (stat == Ok)
4064                 {
4065                     stat = GdipInvertMatrix(inverted_transform);
4066                     if (stat == Ok)
4067                         GdipMultiplyMatrix(matrix, inverted_transform, MatrixOrderAppend);
4068                     GdipDeleteMatrix(inverted_transform);
4069                 }
4070                 break;
4071             }
4072         case CoordinateSpacePage:
4073             break;
4074         case CoordinateSpaceDevice:
4075             GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
4076             break;
4077         }
4078
4079         if (stat == Ok)
4080             stat = GdipTransformMatrixPoints(matrix, points, count);
4081
4082         GdipDeleteMatrix(matrix);
4083     }
4084
4085     return stat;
4086 }
4087
4088 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
4089                                          GpCoordinateSpace src_space, GpPoint *points, INT count)
4090 {
4091     GpPointF *pointsF;
4092     GpStatus ret;
4093     INT i;
4094
4095     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
4096
4097     if(count <= 0)
4098         return InvalidParameter;
4099
4100     pointsF = GdipAlloc(sizeof(GpPointF) * count);
4101     if(!pointsF)
4102         return OutOfMemory;
4103
4104     for(i = 0; i < count; i++){
4105         pointsF[i].X = (REAL)points[i].X;
4106         pointsF[i].Y = (REAL)points[i].Y;
4107     }
4108
4109     ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
4110
4111     if(ret == Ok)
4112         for(i = 0; i < count; i++){
4113             points[i].X = roundr(pointsF[i].X);
4114             points[i].Y = roundr(pointsF[i].Y);
4115         }
4116     GdipFree(pointsF);
4117
4118     return ret;
4119 }
4120
4121 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
4122 {
4123     FIXME("\n");
4124
4125     return NULL;
4126 }
4127
4128 /*****************************************************************************
4129  * GdipTranslateClip [GDIPLUS.@]
4130  */
4131 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
4132 {
4133     TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
4134
4135     if(!graphics)
4136         return InvalidParameter;
4137
4138     if(graphics->busy)
4139         return ObjectBusy;
4140
4141     return GdipTranslateRegion(graphics->clip, dx, dy);
4142 }
4143
4144 /*****************************************************************************
4145  * GdipTranslateClipI [GDIPLUS.@]
4146  */
4147 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
4148 {
4149     TRACE("(%p, %d, %d)\n", graphics, dx, dy);
4150
4151     if(!graphics)
4152         return InvalidParameter;
4153
4154     if(graphics->busy)
4155         return ObjectBusy;
4156
4157     return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
4158 }
4159
4160
4161 /*****************************************************************************
4162  * GdipMeasureDriverString [GDIPLUS.@]
4163  */
4164 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
4165                                             GDIPCONST GpFont *font, GDIPCONST PointF *positions,
4166                                             INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
4167 {
4168     FIXME("(%p %p %d %p %p %d %p %p): stub\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
4169     return NotImplemented;
4170 }
4171
4172 /*****************************************************************************
4173  * GdipDrawDriverString [GDIPLUS.@]
4174  */
4175 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
4176                                          GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
4177                                          GDIPCONST PointF *positions, INT flags,
4178                                          GDIPCONST GpMatrix *matrix )
4179 {
4180     FIXME("(%p %p %d %p %p %p %d %p): stub\n", graphics, text, length, font, brush, positions, flags, matrix);
4181     return NotImplemented;
4182 }
4183
4184 /*****************************************************************************
4185  * GdipRecordMetafileI [GDIPLUS.@]
4186  */
4187 GpStatus WINGDIPAPI GdipRecordMetafileI(HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
4188                                         MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
4189 {
4190     FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
4191     return NotImplemented;
4192 }
4193
4194 /*****************************************************************************
4195  * GdipIsVisibleRectI [GDIPLUS.@]
4196  */
4197 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4198 {
4199     FIXME("(%p %d %d %d %d %p): stub\n", graphics, x, y, width, height, result);
4200     return NotImplemented;
4201 }