dlls/gdiplus/brush.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
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "winuser.h"
  24 #include "wingdi.h"
  25
  26 #define COBJMACROS
  27 #include "objbase.h"
  28 #include "olectl.h"
  29 #include "ole2.h"
  30
  31 #include "gdiplus.h"
  32 #include "gdiplus_private.h"
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  36
  37 /******************************************************************************
  38  * GdipCloneBrush [GDIPLUS.@]
  39  */
  40 GpStatus WINGDIPAPI GdipCloneBrush(GpBrush *brush, GpBrush **clone)
  41 {
  42     TRACE("(%p, %p)\n", brush, clone);
  43
  44     if(!brush || !clone)
  45         return InvalidParameter;
  46
  47     switch(brush->bt){
  48         case BrushTypeSolidColor:
  49         {
  50             *clone = GdipAlloc(sizeof(GpSolidFill));
  51             if (!*clone) return OutOfMemory;
  52             memcpy(*clone, brush, sizeof(GpSolidFill));
  53             break;
  54         }
  55         case BrushTypeHatchFill:
  56         {
  57             GpHatch *hatch = (GpHatch*)brush;
  58
  59             return GdipCreateHatchBrush(hatch->hatchstyle, hatch->forecol, hatch->backcol, (GpHatch**)clone);
  60         }
  61         case BrushTypePathGradient:{
  62             GpPathGradient *src, *dest;
  63             INT count, pcount;
  64             GpStatus stat;
  65
  66             *clone = GdipAlloc(sizeof(GpPathGradient));
  67             if (!*clone) return OutOfMemory;
  68
  69             src = (GpPathGradient*) brush,
  70             dest = (GpPathGradient*) *clone;
  71
  72             memcpy(dest, src, sizeof(GpPathGradient));
  73
  74             stat = GdipClonePath(src->path, &dest->path);
  75
  76             if(stat != Ok){
  77                 GdipFree(dest);
  78                 return stat;
  79             }
  80
  81             dest->transform = src->transform;
  82
  83             /* blending */
  84             count = src->blendcount;
  85             dest->blendcount = count;
  86             dest->blendfac = GdipAlloc(count * sizeof(REAL));
  87             dest->blendpos = GdipAlloc(count * sizeof(REAL));
  88             dest->surroundcolors = GdipAlloc(dest->surroundcolorcount * sizeof(ARGB));
  89             pcount = dest->pblendcount;
  90             if (pcount)
  91             {
  92                 dest->pblendcolor = GdipAlloc(pcount * sizeof(ARGB));
  93                 dest->pblendpos = GdipAlloc(pcount * sizeof(REAL));
  94             }
  95
  96             if(!dest->blendfac || !dest->blendpos || !dest->surroundcolors ||
  97                (pcount && (!dest->pblendcolor || !dest->pblendpos))){
  98                 GdipDeletePath(dest->path);
  99                 GdipFree(dest->blendfac);
 100                 GdipFree(dest->blendpos);
 101                 GdipFree(dest->surroundcolors);
 102                 GdipFree(dest->pblendcolor);
 103                 GdipFree(dest->pblendpos);
 104                 GdipFree(dest);
 105                 return OutOfMemory;
 106             }
 107
 108             memcpy(dest->blendfac, src->blendfac, count * sizeof(REAL));
 109             memcpy(dest->blendpos, src->blendpos, count * sizeof(REAL));
 110             memcpy(dest->surroundcolors, src->surroundcolors, dest->surroundcolorcount * sizeof(ARGB));
 111
 112             if (pcount)
 113             {
 114                 memcpy(dest->pblendcolor, src->pblendcolor, pcount * sizeof(ARGB));
 115                 memcpy(dest->pblendpos, src->pblendpos, pcount * sizeof(REAL));
 116             }
 117
 118             break;
 119         }
 120         case BrushTypeLinearGradient:{
 121             GpLineGradient *dest, *src;
 122             INT count, pcount;
 123
 124             dest = GdipAlloc(sizeof(GpLineGradient));
 125             if(!dest)    return OutOfMemory;
 126
 127             src = (GpLineGradient*)brush;
 128
 129             memcpy(dest, src, sizeof(GpLineGradient));
 130
 131             count = dest->blendcount;
 132             dest->blendfac = GdipAlloc(count * sizeof(REAL));
 133             dest->blendpos = GdipAlloc(count * sizeof(REAL));
 134             pcount = dest->pblendcount;
 135             if (pcount)
 136             {
 137                 dest->pblendcolor = GdipAlloc(pcount * sizeof(ARGB));
 138                 dest->pblendpos = GdipAlloc(pcount * sizeof(REAL));
 139             }
 140
 141             if (!dest->blendfac || !dest->blendpos ||
 142                 (pcount && (!dest->pblendcolor || !dest->pblendpos)))
 143             {
 144                 GdipFree(dest->blendfac);
 145                 GdipFree(dest->blendpos);
 146                 GdipFree(dest->pblendcolor);
 147                 GdipFree(dest->pblendpos);
 148                 GdipFree(dest);
 149                 return OutOfMemory;
 150             }
 151
 152             memcpy(dest->blendfac, src->blendfac, count * sizeof(REAL));
 153             memcpy(dest->blendpos, src->blendpos, count * sizeof(REAL));
 154
 155             if (pcount)
 156             {
 157                 memcpy(dest->pblendcolor, src->pblendcolor, pcount * sizeof(ARGB));
 158                 memcpy(dest->pblendpos, src->pblendpos, pcount * sizeof(REAL));
 159             }
 160
 161             *clone = &dest->brush;
 162             break;
 163         }
 164         case BrushTypeTextureFill:
 165         {
 166             GpStatus stat;
 167             GpTexture *texture = (GpTexture*)brush;
 168             GpTexture *new_texture;
 169             UINT width, height;
 170
 171             stat = GdipGetImageWidth(texture->image, &width);
 172             if (stat != Ok) return stat;
 173             stat = GdipGetImageHeight(texture->image, &height);
 174             if (stat != Ok) return stat;
 175
 176             stat = GdipCreateTextureIA(texture->image, texture->imageattributes, 0, 0, width, height, &new_texture);
 177
 178             if (stat == Ok)
 179             {
 180                 new_texture->transform = texture->transform;
 181                 *clone = (GpBrush*)new_texture;
 182             }
 183             else
 184                 *clone = NULL;
 185
 186             return stat;
 187         }
 188         default:
 189             ERR("not implemented for brush type %d\n", brush->bt);
 190             return NotImplemented;
 191     }
 192
 193     TRACE("<-- %p\n", *clone);
 194     return Ok;
 195 }
 196
 197 static const char HatchBrushes[][8] = {
 198     { 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00 }, /* HatchStyleHorizontal */
 199     { 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 }, /* HatchStyleVertical */
 200     { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }, /* HatchStyleForwardDiagonal */
 201     { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }, /* HatchStyleBackwardDiagonal */
 202     { 0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08 }, /* HatchStyleCross */
 203     { 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 }, /* HatchStyleDiagonalCross */
 204     { 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x80 }, /* HatchStyle05Percent */
 205     { 0x00, 0x02, 0x00, 0x88, 0x00, 0x20, 0x00, 0x88 }, /* HatchStyle10Percent */
 206     { 0x00, 0x22, 0x00, 0xcc, 0x00, 0x22, 0x00, 0xcc }, /* HatchStyle20Percent */
 207     { 0x00, 0xcc, 0x00, 0xcc, 0x00, 0xcc, 0x00, 0xcc }, /* HatchStyle25Percent */
 208     { 0x00, 0xcc, 0x04, 0xcc, 0x00, 0xcc, 0x40, 0xcc }, /* HatchStyle30Percent */
 209     { 0x44, 0xcc, 0x22, 0xcc, 0x44, 0xcc, 0x22, 0xcc }, /* HatchStyle40Percent */
 210     { 0x55, 0xcc, 0x55, 0xcc, 0x55, 0xcc, 0x55, 0xcc }, /* HatchStyle50Percent */
 211     { 0x55, 0xcd, 0x55, 0xee, 0x55, 0xdc, 0x55, 0xee }, /* HatchStyle60Percent */
 212     { 0x55, 0xdd, 0x55, 0xff, 0x55, 0xdd, 0x55, 0xff }, /* HatchStyle70Percent */
 213     { 0x55, 0xff, 0x55, 0xff, 0x55, 0xff, 0x55, 0xff }, /* HatchStyle75Percent */
 214     { 0x55, 0xff, 0x59, 0xff, 0x55, 0xff, 0x99, 0xff }, /* HatchStyle80Percent */
 215     { 0x77, 0xff, 0xdd, 0xff, 0x77, 0xff, 0xfd, 0xff }, /* HatchStyle90Percent */
 216     { 0x11, 0x22, 0x44, 0x88, 0x11, 0x22, 0x44, 0x88 }, /* HatchStyleLightDownwardDiagonal */
 217     { 0x88, 0x44, 0x22, 0x11, 0x88, 0x44, 0x22, 0x11 }, /* HatchStyleLightUpwardDiagonal */
 218     { 0x99, 0x33, 0x66, 0xcc, 0x99, 0x33, 0x66, 0xcc }, /* HatchStyleDarkDownwardDiagonal */
 219     { 0xcc, 0x66, 0x33, 0x99, 0xcc, 0x66, 0x33, 0x99 }, /* HatchStyleDarkUpwardDiagonal */
 220     { 0xc1, 0x83, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0 }, /* HatchStyleWideDownwardDiagonal */
 221     { 0xe0, 0x70, 0x38, 0x1c, 0x0e, 0x07, 0x83, 0xc1 }, /* HatchStyleWideUpwardDiagonal */
 222     { 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88 }, /* HatchStyleLightVertical */
 223     { 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff }, /* HatchStyleLightHorizontal */
 224     { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa }, /* HatchStyleNarrowVertical */
 225     { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff }, /* HatchStyleNarrowHorizontal */
 226     { 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc }, /* HatchStyleDarkVertical */
 227     { 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff }, /* HatchStyleDarkHorizontal */
 228 };
 229
 230 GpStatus get_hatch_data(HatchStyle hatchstyle, const char **result)
 231 {
 232     if (hatchstyle < sizeof(HatchBrushes) / sizeof(HatchBrushes[0]))
 233     {
 234         *result = HatchBrushes[hatchstyle];
 235         return Ok;
 236     }
 237     else
 238         return NotImplemented;
 239 }
 240
 241 /******************************************************************************
 242  * GdipCreateHatchBrush [GDIPLUS.@]
 243  */
 244 GpStatus WINGDIPAPI GdipCreateHatchBrush(HatchStyle hatchstyle, ARGB forecol, ARGB backcol, GpHatch **brush)
 245 {
 246     TRACE("(%d, %d, %d, %p)\n", hatchstyle, forecol, backcol, brush);
 247
 248     if(!brush)  return InvalidParameter;
 249
 250     *brush = GdipAlloc(sizeof(GpHatch));
 251     if (!*brush) return OutOfMemory;
 252
 253     (*brush)->brush.bt = BrushTypeHatchFill;
 254     (*brush)->forecol = forecol;
 255     (*brush)->backcol = backcol;
 256     (*brush)->hatchstyle = hatchstyle;
 257     TRACE("<-- %p\n", *brush);
 258
 259     return Ok;
 260 }
 261
 262 /******************************************************************************
 263  * GdipCreateLineBrush [GDIPLUS.@]
 264  */
 265 GpStatus WINGDIPAPI GdipCreateLineBrush(GDIPCONST GpPointF* startpoint,
 266     GDIPCONST GpPointF* endpoint, ARGB startcolor, ARGB endcolor,
 267     GpWrapMode wrap, GpLineGradient **line)
 268 {
 269     TRACE("(%s, %s, %x, %x, %d, %p)\n", debugstr_pointf(startpoint),
 270           debugstr_pointf(endpoint), startcolor, endcolor, wrap, line);
 271
 272     if(!line || !startpoint || !endpoint || wrap == WrapModeClamp)
 273         return InvalidParameter;
 274
 275     if (startpoint->X == endpoint->X && startpoint->Y == endpoint->Y)
 276         return OutOfMemory;
 277
 278     *line = GdipAlloc(sizeof(GpLineGradient));
 279     if(!*line)  return OutOfMemory;
 280
 281     (*line)->brush.bt = BrushTypeLinearGradient;
 282
 283     (*line)->startpoint.X = startpoint->X;
 284     (*line)->startpoint.Y = startpoint->Y;
 285     (*line)->endpoint.X = endpoint->X;
 286     (*line)->endpoint.Y = endpoint->Y;
 287     (*line)->startcolor = startcolor;
 288     (*line)->endcolor = endcolor;
 289     (*line)->wrap = wrap;
 290     (*line)->gamma = FALSE;
 291
 292     (*line)->rect.X = (startpoint->X < endpoint->X ? startpoint->X: endpoint->X);
 293     (*line)->rect.Y = (startpoint->Y < endpoint->Y ? startpoint->Y: endpoint->Y);
 294     (*line)->rect.Width  = fabs(startpoint->X - endpoint->X);
 295     (*line)->rect.Height = fabs(startpoint->Y - endpoint->Y);
 296
 297     if ((*line)->rect.Width == 0)
 298     {
 299         (*line)->rect.X -= (*line)->rect.Height / 2.0f;
 300         (*line)->rect.Width = (*line)->rect.Height;
 301     }
 302     else if ((*line)->rect.Height == 0)
 303     {
 304         (*line)->rect.Y -= (*line)->rect.Width / 2.0f;
 305         (*line)->rect.Height = (*line)->rect.Width;
 306     }
 307
 308     (*line)->blendcount = 1;
 309     (*line)->blendfac = GdipAlloc(sizeof(REAL));
 310     (*line)->blendpos = GdipAlloc(sizeof(REAL));
 311
 312     if (!(*line)->blendfac || !(*line)->blendpos)
 313     {
 314         GdipFree((*line)->blendfac);
 315         GdipFree((*line)->blendpos);
 316         GdipFree(*line);
 317         *line = NULL;
 318         return OutOfMemory;
 319     }
 320
 321     (*line)->blendfac[0] = 1.0f;
 322     (*line)->blendpos[0] = 1.0f;
 323
 324     (*line)->pblendcolor = NULL;
 325     (*line)->pblendpos = NULL;
 326     (*line)->pblendcount = 0;
 327
 328     TRACE("<-- %p\n", *line);
 329
 330     return Ok;
 331 }
 332
 333 GpStatus WINGDIPAPI GdipCreateLineBrushI(GDIPCONST GpPoint* startpoint,
 334     GDIPCONST GpPoint* endpoint, ARGB startcolor, ARGB endcolor,
 335     GpWrapMode wrap, GpLineGradient **line)
 336 {
 337     GpPointF stF;
 338     GpPointF endF;
 339
 340     TRACE("(%p, %p, %x, %x, %d, %p)\n", startpoint, endpoint,
 341           startcolor, endcolor, wrap, line);
 342
 343     if(!startpoint || !endpoint)
 344         return InvalidParameter;
 345
 346     stF.X  = (REAL)startpoint->X;
 347     stF.Y  = (REAL)startpoint->Y;
 348     endF.X = (REAL)endpoint->X;
 349     endF.Y = (REAL)endpoint->Y;
 350
 351     return GdipCreateLineBrush(&stF, &endF, startcolor, endcolor, wrap, line);
 352 }
 353
 354 GpStatus WINGDIPAPI GdipCreateLineBrushFromRect(GDIPCONST GpRectF* rect,
 355     ARGB startcolor, ARGB endcolor, LinearGradientMode mode, GpWrapMode wrap,
 356     GpLineGradient **line)
 357 {
 358     GpPointF start, end;
 359     GpStatus stat;
 360
 361     TRACE("(%p, %x, %x, %d, %d, %p)\n", rect, startcolor, endcolor, mode,
 362           wrap, line);
 363
 364     if(!line || !rect)
 365         return InvalidParameter;
 366
 367     switch (mode)
 368     {
 369     case LinearGradientModeHorizontal:
 370         start.X = rect->X;
 371         start.Y = rect->Y;
 372         end.X = rect->X + rect->Width;
 373         end.Y = rect->Y;
 374         break;
 375     case LinearGradientModeVertical:
 376         start.X = rect->X;
 377         start.Y = rect->Y;
 378         end.X = rect->X;
 379         end.Y = rect->Y + rect->Height;
 380         break;
 381     case LinearGradientModeForwardDiagonal:
 382         start.X = rect->X;
 383         start.Y = rect->Y;
 384         end.X = rect->X + rect->Width;
 385         end.Y = rect->Y + rect->Height;
 386         break;
 387     case LinearGradientModeBackwardDiagonal:
 388         start.X = rect->X + rect->Width;
 389         start.Y = rect->Y;
 390         end.X = rect->X;
 391         end.Y = rect->Y + rect->Height;
 392         break;
 393     default:
 394         return InvalidParameter;
 395     }
 396
 397     stat = GdipCreateLineBrush(&start, &end, startcolor, endcolor, wrap, line);
 398
 399     if (stat == Ok)
 400         (*line)->rect = *rect;
 401
 402     return stat;
 403 }
 404
 405 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectI(GDIPCONST GpRect* rect,
 406     ARGB startcolor, ARGB endcolor, LinearGradientMode mode, GpWrapMode wrap,
 407     GpLineGradient **line)
 408 {
 409     GpRectF rectF;
 410
 411     TRACE("(%p, %x, %x, %d, %d, %p)\n", rect, startcolor, endcolor, mode,
 412           wrap, line);
 413
 414     rectF.X      = (REAL) rect->X;
 415     rectF.Y      = (REAL) rect->Y;
 416     rectF.Width  = (REAL) rect->Width;
 417     rectF.Height = (REAL) rect->Height;
 418
 419     return GdipCreateLineBrushFromRect(&rectF, startcolor, endcolor, mode, wrap, line);
 420 }
 421
 422 /******************************************************************************
 423  * GdipCreateLineBrushFromRectWithAngle [GDIPLUS.@]
 424  */
 425 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectWithAngle(GDIPCONST GpRectF* rect,
 426     ARGB startcolor, ARGB endcolor, REAL angle, BOOL isAngleScalable, GpWrapMode wrap,
 427     GpLineGradient **line)
 428 {
 429     GpStatus stat;
 430     LinearGradientMode mode;
 431     REAL width, height, exofs, eyofs;
 432     REAL sin_angle, cos_angle, sin_cos_angle;
 433
 434     TRACE("(%p, %x, %x, %.2f, %d, %d, %p)\n", rect, startcolor, endcolor, angle, isAngleScalable,
 435           wrap, line);
 436
 437     sin_angle = sinf(deg2rad(angle));
 438     cos_angle = cosf(deg2rad(angle));
 439     sin_cos_angle = sin_angle * cos_angle;
 440
 441     if (isAngleScalable)
 442     {
 443         width = height = 1.0;
 444     }
 445     else
 446     {
 447         width = rect->Width;
 448         height = rect->Height;
 449     }
 450
 451     if (sin_cos_angle >= 0)
 452         mode = LinearGradientModeForwardDiagonal;
 453     else
 454         mode = LinearGradientModeBackwardDiagonal;
 455
 456     stat = GdipCreateLineBrushFromRect(rect, startcolor, endcolor, mode, wrap, line);
 457
 458     if (stat == Ok)
 459     {
 460         if (sin_cos_angle >= 0)
 461         {
 462             exofs = width * sin_cos_angle + height * cos_angle * cos_angle;
 463             eyofs = width * sin_angle * sin_angle + height * sin_cos_angle;
 464         }
 465         else
 466         {
 467             exofs = width * sin_angle * sin_angle + height * sin_cos_angle;
 468             eyofs = -width * sin_cos_angle + height * sin_angle * sin_angle;
 469         }
 470
 471         if (isAngleScalable)
 472         {
 473             exofs = exofs * rect->Width;
 474             eyofs = eyofs * rect->Height;
 475         }
 476
 477         if (sin_angle >= 0)
 478         {
 479             (*line)->endpoint.X = rect->X + exofs;
 480             (*line)->endpoint.Y = rect->Y + eyofs;
 481         }
 482         else
 483         {
 484             (*line)->endpoint.X = (*line)->startpoint.X;
 485             (*line)->endpoint.Y = (*line)->startpoint.Y;
 486             (*line)->startpoint.X = rect->X + exofs;
 487             (*line)->startpoint.Y = rect->Y + eyofs;
 488         }
 489     }
 490
 491     return stat;
 492 }
 493
 494 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectWithAngleI(GDIPCONST GpRect* rect,
 495     ARGB startcolor, ARGB endcolor, REAL angle, BOOL isAngleScalable, GpWrapMode wrap,
 496     GpLineGradient **line)
 497 {
 498     TRACE("(%p, %x, %x, %.2f, %d, %d, %p)\n", rect, startcolor, endcolor, angle, isAngleScalable,
 499           wrap, line);
 500
 501     return GdipCreateLineBrushFromRectI(rect, startcolor, endcolor, LinearGradientModeForwardDiagonal,
 502                                         wrap, line);
 503 }
 504
 505 static GpStatus create_path_gradient(GpPath *path, ARGB centercolor, GpPathGradient **grad)
 506 {
 507     GpRectF bounds;
 508
 509     if(!path || !grad)
 510         return InvalidParameter;
 511
 512     if (path->pathdata.Count < 2)
 513         return OutOfMemory;
 514
 515     GdipGetPathWorldBounds(path, &bounds, NULL, NULL);
 516
 517     *grad = GdipAlloc(sizeof(GpPathGradient));
 518     if (!*grad)
 519     {
 520         return OutOfMemory;
 521     }
 522
 523     GdipSetMatrixElements(&(*grad)->transform, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
 524
 525     (*grad)->blendfac = GdipAlloc(sizeof(REAL));
 526     (*grad)->blendpos = GdipAlloc(sizeof(REAL));
 527     (*grad)->surroundcolors = GdipAlloc(sizeof(ARGB));
 528     if(!(*grad)->blendfac || !(*grad)->blendpos || !(*grad)->surroundcolors){
 529         GdipFree((*grad)->blendfac);
 530         GdipFree((*grad)->blendpos);
 531         GdipFree((*grad)->surroundcolors);
 532         GdipFree(*grad);
 533         *grad = NULL;
 534         return OutOfMemory;
 535     }
 536     (*grad)->blendfac[0] = 1.0;
 537     (*grad)->blendpos[0] = 1.0;
 538     (*grad)->blendcount  = 1;
 539
 540     (*grad)->path = path;
 541
 542     (*grad)->brush.bt = BrushTypePathGradient;
 543     (*grad)->centercolor = centercolor;
 544     (*grad)->wrap = WrapModeClamp;
 545     (*grad)->gamma = FALSE;
 546     /* FIXME: this should be set to the "centroid" of the path by default */
 547     (*grad)->center.X = bounds.X + bounds.Width / 2;
 548     (*grad)->center.Y = bounds.Y + bounds.Height / 2;
 549     (*grad)->focus.X = 0.0;
 550     (*grad)->focus.Y = 0.0;
 551     (*grad)->surroundcolors[0] = 0xffffffff;
 552     (*grad)->surroundcolorcount = 1;
 553
 554     TRACE("<-- %p\n", *grad);
 555
 556     return Ok;
 557 }
 558
 559 GpStatus WINGDIPAPI GdipCreatePathGradient(GDIPCONST GpPointF* points,
 560     INT count, GpWrapMode wrap, GpPathGradient **grad)
 561 {
 562     GpStatus stat;
 563     GpPath *path;
 564
 565     TRACE("(%p, %d, %d, %p)\n", points, count, wrap, grad);
 566
 567     if(!grad)
 568         return InvalidParameter;
 569
 570     if(!points || count <= 0)
 571         return OutOfMemory;
 572
 573     stat = GdipCreatePath(FillModeAlternate, &path);
 574
 575     if (stat == Ok)
 576     {
 577         stat = GdipAddPathLine2(path, points, count);
 578
 579         if (stat == Ok)
 580             stat = create_path_gradient(path, 0xff000000, grad);
 581
 582         if (stat != Ok)
 583             GdipDeletePath(path);
 584     }
 585
 586     if (stat == Ok)
 587         (*grad)->wrap = wrap;
 588
 589     return stat;
 590 }
 591
 592 GpStatus WINGDIPAPI GdipCreatePathGradientI(GDIPCONST GpPoint* points,
 593     INT count, GpWrapMode wrap, GpPathGradient **grad)
 594 {
 595     GpStatus stat;
 596     GpPath *path;
 597
 598     TRACE("(%p, %d, %d, %p)\n", points, count, wrap, grad);
 599
 600     if(!grad)
 601         return InvalidParameter;
 602
 603     if(!points || count <= 0)
 604         return OutOfMemory;
 605
 606     stat = GdipCreatePath(FillModeAlternate, &path);
 607
 608     if (stat == Ok)
 609     {
 610         stat = GdipAddPathLine2I(path, points, count);
 611
 612         if (stat == Ok)
 613             stat = create_path_gradient(path, 0xff000000, grad);
 614
 615         if (stat != Ok)
 616             GdipDeletePath(path);
 617     }
 618
 619     if (stat == Ok)
 620         (*grad)->wrap = wrap;
 621
 622     return stat;
 623 }
 624
 625 /******************************************************************************
 626  * GdipCreatePathGradientFromPath [GDIPLUS.@]
 627  */
 628 GpStatus WINGDIPAPI GdipCreatePathGradientFromPath(GDIPCONST GpPath* path,
 629     GpPathGradient **grad)
 630 {
 631     GpStatus stat;
 632     GpPath *new_path;
 633
 634     TRACE("(%p, %p)\n", path, grad);
 635
 636     if(!grad)
 637         return InvalidParameter;
 638
 639     if (!path)
 640         return OutOfMemory;
 641
 642     stat = GdipClonePath((GpPath*)path, &new_path);
 643
 644     if (stat == Ok)
 645     {
 646         stat = create_path_gradient(new_path, 0xffffffff, grad);
 647
 648         if (stat != Ok)
 649             GdipDeletePath(new_path);
 650     }
 651
 652     return stat;
 653 }
 654
 655 /******************************************************************************
 656  * GdipCreateSolidFill [GDIPLUS.@]
 657  */
 658 GpStatus WINGDIPAPI GdipCreateSolidFill(ARGB color, GpSolidFill **sf)
 659 {
 660     TRACE("(%x, %p)\n", color, sf);
 661
 662     if(!sf)  return InvalidParameter;
 663
 664     *sf = GdipAlloc(sizeof(GpSolidFill));
 665     if (!*sf) return OutOfMemory;
 666
 667     (*sf)->brush.bt = BrushTypeSolidColor;
 668     (*sf)->color = color;
 669
 670     TRACE("<-- %p\n", *sf);
 671
 672     return Ok;
 673 }
 674
 675 /******************************************************************************
 676  * GdipCreateTexture [GDIPLUS.@]
 677  *
 678  * PARAMS
 679  *  image       [I] image to use
 680  *  wrapmode    [I] optional
 681  *  texture     [O] pointer to the resulting texturebrush
 682  *
 683  * RETURNS
 684  *  SUCCESS: Ok
 685  *  FAILURE: element of GpStatus
 686  */
 687 GpStatus WINGDIPAPI GdipCreateTexture(GpImage *image, GpWrapMode wrapmode,
 688         GpTexture **texture)
 689 {
 690     UINT width, height;
 691     GpImageAttributes *attributes;
 692     GpStatus stat;
 693
 694     TRACE("%p, %d %p\n", image, wrapmode, texture);
 695
 696     if (!(image && texture))
 697         return InvalidParameter;
 698
 699     stat = GdipGetImageWidth(image, &width);
 700     if (stat != Ok) return stat;
 701     stat = GdipGetImageHeight(image, &height);
 702     if (stat != Ok) return stat;
 703
 704     stat = GdipCreateImageAttributes(&attributes);
 705
 706     if (stat == Ok)
 707     {
 708         attributes->wrap = wrapmode;
 709
 710         stat = GdipCreateTextureIA(image, attributes, 0, 0, width, height,
 711             texture);
 712
 713         GdipDisposeImageAttributes(attributes);
 714     }
 715
 716     return stat;
 717 }
 718
 719 /******************************************************************************
 720  * GdipCreateTexture2 [GDIPLUS.@]
 721  */
 722 GpStatus WINGDIPAPI GdipCreateTexture2(GpImage *image, GpWrapMode wrapmode,
 723         REAL x, REAL y, REAL width, REAL height, GpTexture **texture)
 724 {
 725     GpImageAttributes *attributes;
 726     GpStatus stat;
 727
 728     TRACE("%p %d %f %f %f %f %p\n", image, wrapmode,
 729             x, y, width, height, texture);
 730
 731     stat = GdipCreateImageAttributes(&attributes);
 732
 733     if (stat == Ok)
 734     {
 735         attributes->wrap = wrapmode;
 736
 737         stat = GdipCreateTextureIA(image, attributes, x, y, width, height,
 738                 texture);
 739
 740         GdipDisposeImageAttributes(attributes);
 741     }
 742
 743     return stat;
 744 }
 745
 746 /******************************************************************************
 747  * GdipCreateTextureIA [GDIPLUS.@]
 748  *
 749  * FIXME: imageattr ignored
 750  */
 751 GpStatus WINGDIPAPI GdipCreateTextureIA(GpImage *image,
 752     GDIPCONST GpImageAttributes *imageattr, REAL x, REAL y, REAL width,
 753     REAL height, GpTexture **texture)
 754 {
 755     GpStatus status;
 756     GpImage *new_image=NULL;
 757
 758     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %p)\n", image, imageattr, x, y, width, height,
 759            texture);
 760
 761     if(!image || !texture || x < 0.0 || y < 0.0 || width < 0.0 || height < 0.0)
 762         return InvalidParameter;
 763
 764     *texture = NULL;
 765
 766     if(image->type != ImageTypeBitmap){
 767         FIXME("not implemented for image type %d\n", image->type);
 768         return NotImplemented;
 769     }
 770
 771     status = GdipCloneBitmapArea(x, y, width, height, PixelFormatDontCare, (GpBitmap*)image, (GpBitmap**)&new_image);
 772     if (status != Ok)
 773         return status;
 774
 775     *texture = GdipAlloc(sizeof(GpTexture));
 776     if (!*texture){
 777         status = OutOfMemory;
 778         goto exit;
 779     }
 780
 781     GdipSetMatrixElements(&(*texture)->transform, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
 782
 783     if (imageattr)
 784     {
 785         status = GdipCloneImageAttributes(imageattr, &(*texture)->imageattributes);
 786     }
 787     else
 788     {
 789         status = GdipCreateImageAttributes(&(*texture)->imageattributes);
 790         if (status == Ok)
 791             (*texture)->imageattributes->wrap = WrapModeTile;
 792     }
 793     if (status == Ok)
 794     {
 795         (*texture)->brush.bt = BrushTypeTextureFill;
 796         (*texture)->image = new_image;
 797     }
 798
 799 exit:
 800     if (status == Ok)
 801     {
 802         TRACE("<-- %p\n", *texture);
 803     }
 804     else
 805     {
 806         if (*texture)
 807         {
 808             GdipDisposeImageAttributes((*texture)->imageattributes);
 809             GdipFree(*texture);
 810             *texture = NULL;
 811         }
 812         GdipDisposeImage(new_image);
 813         TRACE("<-- error %u\n", status);
 814     }
 815
 816     return status;
 817 }
 818
 819 /******************************************************************************
 820  * GdipCreateTextureIAI [GDIPLUS.@]
 821  */
 822 GpStatus WINGDIPAPI GdipCreateTextureIAI(GpImage *image, GDIPCONST GpImageAttributes *imageattr,
 823     INT x, INT y, INT width, INT height, GpTexture **texture)
 824 {
 825     TRACE("(%p, %p, %d, %d, %d, %d, %p)\n", image, imageattr, x, y, width, height,
 826            texture);
 827
 828     return GdipCreateTextureIA(image,imageattr,(REAL)x,(REAL)y,(REAL)width,(REAL)height,texture);
 829 }
 830
 831 GpStatus WINGDIPAPI GdipCreateTexture2I(GpImage *image, GpWrapMode wrapmode,
 832         INT x, INT y, INT width, INT height, GpTexture **texture)
 833 {
 834     GpImageAttributes *imageattr;
 835     GpStatus stat;
 836
 837     TRACE("%p %d %d %d %d %d %p\n", image, wrapmode, x, y, width, height,
 838             texture);
 839
 840     stat = GdipCreateImageAttributes(&imageattr);
 841
 842     if (stat == Ok)
 843     {
 844         imageattr->wrap = wrapmode;
 845
 846         stat = GdipCreateTextureIA(image, imageattr, x, y, width, height, texture);
 847     }
 848
 849     return stat;
 850 }
 851
 852 GpStatus WINGDIPAPI GdipGetBrushType(GpBrush *brush, GpBrushType *type)
 853 {
 854     TRACE("(%p, %p)\n", brush, type);
 855
 856     if(!brush || !type)  return InvalidParameter;
 857
 858     *type = brush->bt;
 859
 860     return Ok;
 861 }
 862
 863 GpStatus WINGDIPAPI GdipGetHatchBackgroundColor(GpHatch *brush, ARGB *backcol)
 864 {
 865     TRACE("(%p, %p)\n", brush, backcol);
 866
 867     if(!brush || !backcol)  return InvalidParameter;
 868
 869     *backcol = brush->backcol;
 870
 871     return Ok;
 872 }
 873
 874 GpStatus WINGDIPAPI GdipGetHatchForegroundColor(GpHatch *brush, ARGB *forecol)
 875 {
 876     TRACE("(%p, %p)\n", brush, forecol);
 877
 878     if(!brush || !forecol)  return InvalidParameter;
 879
 880     *forecol = brush->forecol;
 881
 882     return Ok;
 883 }
 884
 885 GpStatus WINGDIPAPI GdipGetHatchStyle(GpHatch *brush, HatchStyle *hatchstyle)
 886 {
 887     TRACE("(%p, %p)\n", brush, hatchstyle);
 888
 889     if(!brush || !hatchstyle)  return InvalidParameter;
 890
 891     *hatchstyle = brush->hatchstyle;
 892
 893     return Ok;
 894 }
 895
 896 GpStatus WINGDIPAPI GdipDeleteBrush(GpBrush *brush)
 897 {
 898     TRACE("(%p)\n", brush);
 899
 900     if(!brush)  return InvalidParameter;
 901
 902     switch(brush->bt)
 903     {
 904         case BrushTypePathGradient:
 905             GdipDeletePath(((GpPathGradient*) brush)->path);
 906             GdipFree(((GpPathGradient*) brush)->blendfac);
 907             GdipFree(((GpPathGradient*) brush)->blendpos);
 908             GdipFree(((GpPathGradient*) brush)->surroundcolors);
 909             GdipFree(((GpPathGradient*) brush)->pblendcolor);
 910             GdipFree(((GpPathGradient*) brush)->pblendpos);
 911             break;
 912         case BrushTypeLinearGradient:
 913             GdipFree(((GpLineGradient*)brush)->blendfac);
 914             GdipFree(((GpLineGradient*)brush)->blendpos);
 915             GdipFree(((GpLineGradient*)brush)->pblendcolor);
 916             GdipFree(((GpLineGradient*)brush)->pblendpos);
 917             break;
 918         case BrushTypeTextureFill:
 919             GdipDisposeImage(((GpTexture*)brush)->image);
 920             GdipDisposeImageAttributes(((GpTexture*)brush)->imageattributes);
 921             GdipFree(((GpTexture*)brush)->bitmap_bits);
 922             break;
 923         default:
 924             break;
 925     }
 926
 927     GdipFree(brush);
 928
 929     return Ok;
 930 }
 931
 932 GpStatus WINGDIPAPI GdipGetLineGammaCorrection(GpLineGradient *line,
 933     BOOL *usinggamma)
 934 {
 935     TRACE("(%p, %p)\n", line, usinggamma);
 936
 937     if(!line || !usinggamma)
 938         return InvalidParameter;
 939
 940     *usinggamma = line->gamma;
 941
 942     return Ok;
 943 }
 944
 945 GpStatus WINGDIPAPI GdipGetLineWrapMode(GpLineGradient *brush, GpWrapMode *wrapmode)
 946 {
 947     TRACE("(%p, %p)\n", brush, wrapmode);
 948
 949     if(!brush || !wrapmode || brush->brush.bt != BrushTypeLinearGradient)
 950         return InvalidParameter;
 951
 952     *wrapmode = brush->wrap;
 953
 954     return Ok;
 955 }
 956
 957 GpStatus WINGDIPAPI GdipGetPathGradientBlend(GpPathGradient *brush, REAL *blend,
 958     REAL *positions, INT count)
 959 {
 960     TRACE("(%p, %p, %p, %d)\n", brush, blend, positions, count);
 961
 962     if(!brush || !blend || !positions || count <= 0 || brush->brush.bt != BrushTypePathGradient)
 963         return InvalidParameter;
 964
 965     if(count < brush->blendcount)
 966         return InsufficientBuffer;
 967
 968     memcpy(blend, brush->blendfac, count*sizeof(REAL));
 969     if(brush->blendcount > 1){
 970         memcpy(positions, brush->blendpos, count*sizeof(REAL));
 971     }
 972
 973     return Ok;
 974 }
 975
 976 GpStatus WINGDIPAPI GdipGetPathGradientBlendCount(GpPathGradient *brush, INT *count)
 977 {
 978     TRACE("(%p, %p)\n", brush, count);
 979
 980     if(!brush || !count || brush->brush.bt != BrushTypePathGradient)
 981         return InvalidParameter;
 982
 983     *count = brush->blendcount;
 984
 985     return Ok;
 986 }
 987
 988 GpStatus WINGDIPAPI GdipGetPathGradientCenterPoint(GpPathGradient *grad,
 989     GpPointF *point)
 990 {
 991     TRACE("(%p, %p)\n", grad, point);
 992
 993     if(!grad || !point || grad->brush.bt != BrushTypePathGradient)
 994         return InvalidParameter;
 995
 996     point->X = grad->center.X;
 997     point->Y = grad->center.Y;
 998
 999     return Ok;
1000 }
1001
1002 GpStatus WINGDIPAPI GdipGetPathGradientCenterPointI(GpPathGradient *grad,
1003     GpPoint *point)
1004 {
1005     GpStatus ret;
1006     GpPointF ptf;
1007
1008     TRACE("(%p, %p)\n", grad, point);
1009
1010     if(!point)
1011         return InvalidParameter;
1012
1013     ret = GdipGetPathGradientCenterPoint(grad,&ptf);
1014
1015     if(ret == Ok){
1016         point->X = gdip_round(ptf.X);
1017         point->Y = gdip_round(ptf.Y);
1018     }
1019
1020     return ret;
1021 }
1022
1023 GpStatus WINGDIPAPI GdipGetPathGradientCenterColor(GpPathGradient *grad,
1024     ARGB *colors)
1025 {
1026     TRACE("(%p,%p)\n", grad, colors);
1027
1028     if (!grad || !colors || grad->brush.bt != BrushTypePathGradient)
1029         return InvalidParameter;
1030
1031     *colors = grad->centercolor;
1032
1033     return Ok;
1034 }
1035
1036 GpStatus WINGDIPAPI GdipGetPathGradientFocusScales(GpPathGradient *grad,
1037     REAL *x, REAL *y)
1038 {
1039     TRACE("(%p, %p, %p)\n", grad, x, y);
1040
1041     if(!grad || !x || !y || grad->brush.bt != BrushTypePathGradient)
1042         return InvalidParameter;
1043
1044     *x = grad->focus.X;
1045     *y = grad->focus.Y;
1046
1047     return Ok;
1048 }
1049
1050 GpStatus WINGDIPAPI GdipGetPathGradientGammaCorrection(GpPathGradient *grad,
1051     BOOL *gamma)
1052 {
1053     TRACE("(%p, %p)\n", grad, gamma);
1054
1055     if(!grad || !gamma || grad->brush.bt != BrushTypePathGradient)
1056         return InvalidParameter;
1057
1058     *gamma = grad->gamma;
1059
1060     return Ok;
1061 }
1062
1063 GpStatus WINGDIPAPI GdipGetPathGradientPath(GpPathGradient *grad, GpPath *path)
1064 {
1065     static int calls;
1066
1067     TRACE("(%p, %p)\n", grad, path);
1068
1069     if (!(calls++))
1070         FIXME("not implemented\n");
1071
1072     return NotImplemented;
1073 }
1074
1075 GpStatus WINGDIPAPI GdipGetPathGradientPointCount(GpPathGradient *grad,
1076     INT *count)
1077 {
1078     TRACE("(%p, %p)\n", grad, count);
1079
1080     if(!grad || !count || grad->brush.bt != BrushTypePathGradient)
1081         return InvalidParameter;
1082
1083     *count = grad->path->pathdata.Count;
1084
1085     return Ok;
1086 }
1087
1088 GpStatus WINGDIPAPI GdipGetPathGradientRect(GpPathGradient *brush, GpRectF *rect)
1089 {
1090     GpStatus stat;
1091
1092     TRACE("(%p, %p)\n", brush, rect);
1093
1094     if(!brush || !rect || brush->brush.bt != BrushTypePathGradient)
1095         return InvalidParameter;
1096
1097     stat = GdipGetPathWorldBounds(brush->path, rect, NULL, NULL);
1098
1099     return stat;
1100 }
1101
1102 GpStatus WINGDIPAPI GdipGetPathGradientRectI(GpPathGradient *brush, GpRect *rect)
1103 {
1104     GpRectF rectf;
1105     GpStatus stat;
1106
1107     TRACE("(%p, %p)\n", brush, rect);
1108
1109     if(!brush || !rect)
1110         return InvalidParameter;
1111
1112     stat = GdipGetPathGradientRect(brush, &rectf);
1113     if(stat != Ok)  return stat;
1114
1115     rect->X = gdip_round(rectf.X);
1116     rect->Y = gdip_round(rectf.Y);
1117     rect->Width  = gdip_round(rectf.Width);
1118     rect->Height = gdip_round(rectf.Height);
1119
1120     return Ok;
1121 }
1122
1123 GpStatus WINGDIPAPI GdipGetPathGradientSurroundColorsWithCount(GpPathGradient
1124     *grad, ARGB *argb, INT *count)
1125 {
1126     INT i;
1127
1128     TRACE("(%p,%p,%p)\n", grad, argb, count);
1129
1130     if(!grad || !argb || !count || (*count < grad->path->pathdata.Count) || grad->brush.bt != BrushTypePathGradient)
1131         return InvalidParameter;
1132
1133     for (i=0; i<grad->path->pathdata.Count; i++)
1134     {
1135         if (i < grad->surroundcolorcount)
1136             argb[i] = grad->surroundcolors[i];
1137         else
1138             argb[i] = grad->surroundcolors[grad->surroundcolorcount-1];
1139     }
1140
1141     *count = grad->surroundcolorcount;
1142
1143     return Ok;
1144 }
1145
1146 GpStatus WINGDIPAPI GdipGetPathGradientSurroundColorCount(GpPathGradient *brush, INT *count)
1147 {
1148     TRACE("(%p, %p)\n", brush, count);
1149
1150     if (!brush || !count || brush->brush.bt != BrushTypePathGradient)
1151        return InvalidParameter;
1152
1153     /* Yes, this actually returns the number of points in the path (which is the
1154      * required size of a buffer to get the surround colors), rather than the
1155      * number of surround colors. The real count is returned when getting the
1156      * colors. */
1157     *count = brush->path->pathdata.Count;
1158
1159     return Ok;
1160 }
1161
1162 GpStatus WINGDIPAPI GdipGetPathGradientWrapMode(GpPathGradient *brush,
1163     GpWrapMode *wrapmode)
1164 {
1165     TRACE("(%p, %p)\n", brush, wrapmode);
1166
1167     if(!brush || !wrapmode || brush->brush.bt != BrushTypePathGradient)
1168         return InvalidParameter;
1169
1170     *wrapmode = brush->wrap;
1171
1172     return Ok;
1173 }
1174
1175 GpStatus WINGDIPAPI GdipGetSolidFillColor(GpSolidFill *sf, ARGB *argb)
1176 {
1177     TRACE("(%p, %p)\n", sf, argb);
1178
1179     if(!sf || !argb)
1180         return InvalidParameter;
1181
1182     *argb = sf->color;
1183
1184     return Ok;
1185 }
1186
1187 /******************************************************************************
1188  * GdipGetTextureImage [GDIPLUS.@]
1189  */
1190 GpStatus WINGDIPAPI GdipGetTextureImage(GpTexture *brush, GpImage **image)
1191 {
1192     TRACE("(%p, %p)\n", brush, image);
1193
1194     if(!brush || !image)
1195         return InvalidParameter;
1196
1197     return GdipCloneImage(brush->image, image);
1198 }
1199
1200 /******************************************************************************
1201  * GdipGetTextureTransform [GDIPLUS.@]
1202  */
1203 GpStatus WINGDIPAPI GdipGetTextureTransform(GpTexture *brush, GpMatrix *matrix)
1204 {
1205     TRACE("(%p, %p)\n", brush, matrix);
1206
1207     if(!brush || !matrix)
1208         return InvalidParameter;
1209
1210     *matrix = brush->transform;
1211
1212     return Ok;
1213 }
1214
1215 /******************************************************************************
1216  * GdipGetTextureWrapMode [GDIPLUS.@]
1217  */
1218 GpStatus WINGDIPAPI GdipGetTextureWrapMode(GpTexture *brush, GpWrapMode *wrapmode)
1219 {
1220     TRACE("(%p, %p)\n", brush, wrapmode);
1221
1222     if(!brush || !wrapmode)
1223         return InvalidParameter;
1224
1225     *wrapmode = brush->imageattributes->wrap;
1226
1227     return Ok;
1228 }
1229
1230 /******************************************************************************
1231  * GdipMultiplyTextureTransform [GDIPLUS.@]
1232  */
1233 GpStatus WINGDIPAPI GdipMultiplyTextureTransform(GpTexture* brush,
1234     GDIPCONST GpMatrix *matrix, GpMatrixOrder order)
1235 {
1236     TRACE("(%p, %p, %d)\n", brush, matrix, order);
1237
1238     if(!brush || !matrix)
1239         return InvalidParameter;
1240
1241     return GdipMultiplyMatrix(&brush->transform, matrix, order);
1242 }
1243
1244 /******************************************************************************
1245  * GdipResetTextureTransform [GDIPLUS.@]
1246  */
1247 GpStatus WINGDIPAPI GdipResetTextureTransform(GpTexture* brush)
1248 {
1249     TRACE("(%p)\n", brush);
1250
1251     if(!brush)
1252         return InvalidParameter;
1253
1254     return GdipSetMatrixElements(&brush->transform, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
1255 }
1256
1257 /******************************************************************************
1258  * GdipScaleTextureTransform [GDIPLUS.@]
1259  */
1260 GpStatus WINGDIPAPI GdipScaleTextureTransform(GpTexture* brush,
1261     REAL sx, REAL sy, GpMatrixOrder order)
1262 {
1263     TRACE("(%p, %.2f, %.2f, %d)\n", brush, sx, sy, order);
1264
1265     if(!brush)
1266         return InvalidParameter;
1267
1268     return GdipScaleMatrix(&brush->transform, sx, sy, order);
1269 }
1270
1271 GpStatus WINGDIPAPI GdipSetLineBlend(GpLineGradient *brush,
1272     GDIPCONST REAL *factors, GDIPCONST REAL* positions, INT count)
1273 {
1274     REAL *new_blendfac, *new_blendpos;
1275
1276     TRACE("(%p, %p, %p, %i)\n", brush, factors, positions, count);
1277
1278     if(!brush || !factors || !positions || count <= 0 || brush->brush.bt != BrushTypeLinearGradient ||
1279        (count >= 2 && (positions[0] != 0.0f || positions[count-1] != 1.0f)))
1280         return InvalidParameter;
1281
1282     new_blendfac = GdipAlloc(count * sizeof(REAL));
1283     new_blendpos = GdipAlloc(count * sizeof(REAL));
1284
1285     if (!new_blendfac || !new_blendpos)
1286     {
1287         GdipFree(new_blendfac);
1288         GdipFree(new_blendpos);
1289         return OutOfMemory;
1290     }
1291
1292     memcpy(new_blendfac, factors, count * sizeof(REAL));
1293     memcpy(new_blendpos, positions, count * sizeof(REAL));
1294
1295     GdipFree(brush->blendfac);
1296     GdipFree(brush->blendpos);
1297
1298     brush->blendcount = count;
1299     brush->blendfac = new_blendfac;
1300     brush->blendpos = new_blendpos;
1301
1302     return Ok;
1303 }
1304
1305 GpStatus WINGDIPAPI GdipGetLineBlend(GpLineGradient *brush, REAL *factors,
1306     REAL *positions, INT count)
1307 {
1308     TRACE("(%p, %p, %p, %i)\n", brush, factors, positions, count);
1309
1310     if (!brush || !factors || !positions || count <= 0 || brush->brush.bt != BrushTypeLinearGradient)
1311         return InvalidParameter;
1312
1313     if (count < brush->blendcount)
1314         return InsufficientBuffer;
1315
1316     memcpy(factors, brush->blendfac, brush->blendcount * sizeof(REAL));
1317     memcpy(positions, brush->blendpos, brush->blendcount * sizeof(REAL));
1318
1319     return Ok;
1320 }
1321
1322 GpStatus WINGDIPAPI GdipGetLineBlendCount(GpLineGradient *brush, INT *count)
1323 {
1324     TRACE("(%p, %p)\n", brush, count);
1325
1326     if (!brush || !count || brush->brush.bt != BrushTypeLinearGradient)
1327         return InvalidParameter;
1328
1329     *count = brush->blendcount;
1330
1331     return Ok;
1332 }
1333
1334 GpStatus WINGDIPAPI GdipSetLineGammaCorrection(GpLineGradient *line,
1335     BOOL usegamma)
1336 {
1337     TRACE("(%p, %d)\n", line, usegamma);
1338
1339     if(!line || line->brush.bt != BrushTypeLinearGradient)
1340         return InvalidParameter;
1341
1342     line->gamma = usegamma;
1343
1344     return Ok;
1345 }
1346
1347 GpStatus WINGDIPAPI GdipSetLineSigmaBlend(GpLineGradient *line, REAL focus,
1348     REAL scale)
1349 {
1350     REAL factors[33];
1351     REAL positions[33];
1352     int num_points = 0;
1353     int i;
1354     const int precision = 16;
1355     REAL erf_range; /* we use values erf(-erf_range) through erf(+erf_range) */
1356     REAL min_erf;
1357     REAL scale_erf;
1358
1359     TRACE("(%p, %0.2f, %0.2f)\n", line, focus, scale);
1360
1361     if(!line || focus < 0.0 || focus > 1.0 || scale < 0.0 || scale > 1.0 || line->brush.bt != BrushTypeLinearGradient)
1362         return InvalidParameter;
1363
1364     /* we want 2 standard deviations */
1365     erf_range = 2.0 / sqrt(2);
1366
1367     /* calculate the constants we need to normalize the error function to be
1368         between 0.0 and scale over the range we need */
1369     min_erf = erf(-erf_range);
1370     scale_erf = scale / (-2.0 * min_erf);
1371
1372     if (focus != 0.0)
1373     {
1374         positions[0] = 0.0;
1375         factors[0] = 0.0;
1376         for (i=1; i<precision; i++)
1377         {
1378             positions[i] = focus * i / precision;
1379             factors[i] = scale_erf * (erf(2 * erf_range * i / precision - erf_range) - min_erf);
1380         }
1381         num_points += precision;
1382     }
1383
1384     positions[num_points] = focus;
1385     factors[num_points] = scale;
1386     num_points += 1;
1387
1388     if (focus != 1.0)
1389     {
1390         for (i=1; i<precision; i++)
1391         {
1392             positions[i+num_points-1] = (focus + ((1.0-focus) * i / precision));
1393             factors[i+num_points-1] = scale_erf * (erf(erf_range - 2 * erf_range * i / precision) - min_erf);
1394         }
1395         num_points += precision;
1396         positions[num_points-1] = 1.0;
1397         factors[num_points-1] = 0.0;
1398     }
1399
1400     return GdipSetLineBlend(line, factors, positions, num_points);
1401 }
1402
1403 GpStatus WINGDIPAPI GdipSetLineWrapMode(GpLineGradient *line,
1404     GpWrapMode wrap)
1405 {
1406     TRACE("(%p, %d)\n", line, wrap);
1407
1408     if(!line || wrap == WrapModeClamp || line->brush.bt != BrushTypeLinearGradient)
1409         return InvalidParameter;
1410
1411     line->wrap = wrap;
1412
1413     return Ok;
1414 }
1415
1416 GpStatus WINGDIPAPI GdipSetPathGradientBlend(GpPathGradient *brush, GDIPCONST REAL *blend,
1417     GDIPCONST REAL *pos, INT count)
1418 {
1419     REAL *new_blendfac, *new_blendpos;
1420
1421     TRACE("(%p,%p,%p,%i)\n", brush, blend, pos, count);
1422
1423     if(!brush || !blend || !pos || count <= 0 || brush->brush.bt != BrushTypePathGradient ||
1424        (count >= 2 && (pos[0] != 0.0f || pos[count-1] != 1.0f)))
1425         return InvalidParameter;
1426
1427     new_blendfac = GdipAlloc(count * sizeof(REAL));
1428     new_blendpos = GdipAlloc(count * sizeof(REAL));
1429
1430     if (!new_blendfac || !new_blendpos)
1431     {
1432         GdipFree(new_blendfac);
1433         GdipFree(new_blendpos);
1434         return OutOfMemory;
1435     }
1436
1437     memcpy(new_blendfac, blend, count * sizeof(REAL));
1438     memcpy(new_blendpos, pos, count * sizeof(REAL));
1439
1440     GdipFree(brush->blendfac);
1441     GdipFree(brush->blendpos);
1442
1443     brush->blendcount = count;
1444     brush->blendfac = new_blendfac;
1445     brush->blendpos = new_blendpos;
1446
1447     return Ok;
1448 }
1449
1450 GpStatus WINGDIPAPI GdipSetPathGradientLinearBlend(GpPathGradient *brush,
1451     REAL focus, REAL scale)
1452 {
1453     REAL factors[3];
1454     REAL positions[3];
1455     int num_points = 0;
1456
1457     TRACE("(%p,%0.2f,%0.2f)\n", brush, focus, scale);
1458
1459     if (!brush || brush->brush.bt != BrushTypePathGradient)
1460         return InvalidParameter;
1461
1462     if (focus != 0.0)
1463     {
1464         factors[num_points] = 0.0;
1465         positions[num_points] = 0.0;
1466         num_points++;
1467     }
1468
1469     factors[num_points] = scale;
1470     positions[num_points] = focus;
1471     num_points++;
1472
1473     if (focus != 1.0)
1474     {
1475         factors[num_points] = 0.0;
1476         positions[num_points] = 1.0;
1477         num_points++;
1478     }
1479
1480     return GdipSetPathGradientBlend(brush, factors, positions, num_points);
1481 }
1482
1483 GpStatus WINGDIPAPI GdipSetPathGradientPresetBlend(GpPathGradient *brush,
1484     GDIPCONST ARGB *blend, GDIPCONST REAL *pos, INT count)
1485 {
1486     ARGB *new_color;
1487     REAL *new_pos;
1488     TRACE("(%p,%p,%p,%i)\n", brush, blend, pos, count);
1489
1490     if (!brush || !blend || !pos || count < 2 || brush->brush.bt != BrushTypePathGradient ||
1491         pos[0] != 0.0f || pos[count-1] != 1.0f)
1492     {
1493         return InvalidParameter;
1494     }
1495
1496     new_color = GdipAlloc(count * sizeof(ARGB));
1497     new_pos = GdipAlloc(count * sizeof(REAL));
1498     if (!new_color || !new_pos)
1499     {
1500         GdipFree(new_color);
1501         GdipFree(new_pos);
1502         return OutOfMemory;
1503     }
1504
1505     memcpy(new_color, blend, sizeof(ARGB) * count);
1506     memcpy(new_pos, pos, sizeof(REAL) * count);
1507
1508     GdipFree(brush->pblendcolor);
1509     GdipFree(brush->pblendpos);
1510
1511     brush->pblendcolor = new_color;
1512     brush->pblendpos = new_pos;
1513     brush->pblendcount = count;
1514
1515     return Ok;
1516 }
1517
1518 GpStatus WINGDIPAPI GdipGetPathGradientPresetBlend(GpPathGradient *brush,
1519     ARGB *blend, REAL *pos, INT count)
1520 {
1521     TRACE("(%p,%p,%p,%i)\n", brush, blend, pos, count);
1522
1523     if (count < 0)
1524         return OutOfMemory;
1525
1526     if (!brush || !blend || !pos || count < 2 || brush->brush.bt != BrushTypePathGradient)
1527         return InvalidParameter;
1528
1529     if (brush->pblendcount == 0)
1530         return GenericError;
1531
1532     if (count != brush->pblendcount)
1533     {
1534         /* Native lines up the ends of each array, and copies the destination size. */
1535         FIXME("Braindead behavior on wrong-sized buffer not implemented.\n");
1536         return InvalidParameter;
1537     }
1538
1539     memcpy(blend, brush->pblendcolor, sizeof(ARGB) * brush->pblendcount);
1540     memcpy(pos, brush->pblendpos, sizeof(REAL) * brush->pblendcount);
1541
1542     return Ok;
1543 }
1544
1545 GpStatus WINGDIPAPI GdipGetPathGradientPresetBlendCount(GpPathGradient *brush,
1546     INT *count)
1547 {
1548     TRACE("(%p,%p)\n", brush, count);
1549
1550     if (!brush || !count || brush->brush.bt != BrushTypePathGradient)
1551         return InvalidParameter;
1552
1553     *count = brush->pblendcount;
1554
1555     return Ok;
1556 }
1557
1558 GpStatus WINGDIPAPI GdipSetPathGradientCenterColor(GpPathGradient *grad,
1559     ARGB argb)
1560 {
1561     TRACE("(%p, %x)\n", grad, argb);
1562
1563     if(!grad || grad->brush.bt != BrushTypePathGradient)
1564         return InvalidParameter;
1565
1566     grad->centercolor = argb;
1567     return Ok;
1568 }
1569
1570 GpStatus WINGDIPAPI GdipSetPathGradientCenterPoint(GpPathGradient *grad,
1571     GpPointF *point)
1572 {
1573     TRACE("(%p, %s)\n", grad, debugstr_pointf(point));
1574
1575     if(!grad || !point || grad->brush.bt != BrushTypePathGradient)
1576         return InvalidParameter;
1577
1578     grad->center.X = point->X;
1579     grad->center.Y = point->Y;
1580
1581     return Ok;
1582 }
1583
1584 GpStatus WINGDIPAPI GdipSetPathGradientCenterPointI(GpPathGradient *grad,
1585     GpPoint *point)
1586 {
1587     GpPointF ptf;
1588
1589     TRACE("(%p, %p)\n", grad, point);
1590
1591     if(!point)
1592         return InvalidParameter;
1593
1594     ptf.X = (REAL)point->X;
1595     ptf.Y = (REAL)point->Y;
1596
1597     return GdipSetPathGradientCenterPoint(grad,&ptf);
1598 }
1599
1600 GpStatus WINGDIPAPI GdipSetPathGradientFocusScales(GpPathGradient *grad,
1601     REAL x, REAL y)
1602 {
1603     TRACE("(%p, %.2f, %.2f)\n", grad, x, y);
1604
1605     if(!grad || grad->brush.bt != BrushTypePathGradient)
1606         return InvalidParameter;
1607
1608     grad->focus.X = x;
1609     grad->focus.Y = y;
1610
1611     return Ok;
1612 }
1613
1614 GpStatus WINGDIPAPI GdipSetPathGradientGammaCorrection(GpPathGradient *grad,
1615     BOOL gamma)
1616 {
1617     TRACE("(%p, %d)\n", grad, gamma);
1618
1619     if(!grad || grad->brush.bt != BrushTypePathGradient)
1620         return InvalidParameter;
1621
1622     grad->gamma = gamma;
1623
1624     return Ok;
1625 }
1626
1627 GpStatus WINGDIPAPI GdipSetPathGradientSigmaBlend(GpPathGradient *grad,
1628     REAL focus, REAL scale)
1629 {
1630     REAL factors[33];
1631     REAL positions[33];
1632     int num_points = 0;
1633     int i;
1634     const int precision = 16;
1635     REAL erf_range; /* we use values erf(-erf_range) through erf(+erf_range) */
1636     REAL min_erf;
1637     REAL scale_erf;
1638
1639     TRACE("(%p,%0.2f,%0.2f)\n", grad, focus, scale);
1640
1641     if(!grad || focus < 0.0 || focus > 1.0 || scale < 0.0 || scale > 1.0 || grad->brush.bt != BrushTypePathGradient)
1642         return InvalidParameter;
1643
1644     /* we want 2 standard deviations */
1645     erf_range = 2.0 / sqrt(2);
1646
1647     /* calculate the constants we need to normalize the error function to be
1648         between 0.0 and scale over the range we need */
1649     min_erf = erf(-erf_range);
1650     scale_erf = scale / (-2.0 * min_erf);
1651
1652     if (focus != 0.0)
1653     {
1654         positions[0] = 0.0;
1655         factors[0] = 0.0;
1656         for (i=1; i<precision; i++)
1657         {
1658             positions[i] = focus * i / precision;
1659             factors[i] = scale_erf * (erf(2 * erf_range * i / precision - erf_range) - min_erf);
1660         }
1661         num_points += precision;
1662     }
1663
1664     positions[num_points] = focus;
1665     factors[num_points] = scale;
1666     num_points += 1;
1667
1668     if (focus != 1.0)
1669     {
1670         for (i=1; i<precision; i++)
1671         {
1672             positions[i+num_points-1] = (focus + ((1.0-focus) * i / precision));
1673             factors[i+num_points-1] = scale_erf * (erf(erf_range - 2 * erf_range * i / precision) - min_erf);
1674         }
1675         num_points += precision;
1676         positions[num_points-1] = 1.0;
1677         factors[num_points-1] = 0.0;
1678     }
1679
1680     return GdipSetPathGradientBlend(grad, factors, positions, num_points);
1681 }
1682
1683 GpStatus WINGDIPAPI GdipSetPathGradientSurroundColorsWithCount(GpPathGradient
1684     *grad, GDIPCONST ARGB *argb, INT *count)
1685 {
1686     ARGB *new_surroundcolors;
1687     INT i, num_colors;
1688
1689     TRACE("(%p,%p,%p)\n", grad, argb, count);
1690
1691     if(!grad || !argb || !count || (*count <= 0) || grad->brush.bt != BrushTypePathGradient ||
1692         (*count > grad->path->pathdata.Count))
1693         return InvalidParameter;
1694
1695     num_colors = *count;
1696
1697     /* If all colors are the same, only store 1 color. */
1698     if (*count > 1)
1699     {
1700         for (i=1; i < num_colors; i++)
1701             if (argb[i] != argb[i-1])
1702                 break;
1703
1704         if (i == num_colors)
1705             num_colors = 1;
1706     }
1707
1708     new_surroundcolors = GdipAlloc(num_colors * sizeof(ARGB));
1709     if (!new_surroundcolors)
1710         return OutOfMemory;
1711
1712     memcpy(new_surroundcolors, argb, num_colors * sizeof(ARGB));
1713
1714     GdipFree(grad->surroundcolors);
1715
1716     grad->surroundcolors = new_surroundcolors;
1717     grad->surroundcolorcount = num_colors;
1718
1719     return Ok;
1720 }
1721
1722 GpStatus WINGDIPAPI GdipSetPathGradientWrapMode(GpPathGradient *grad,
1723     GpWrapMode wrap)
1724 {
1725     TRACE("(%p, %d)\n", grad, wrap);
1726
1727     if(!grad || grad->brush.bt != BrushTypePathGradient)
1728         return InvalidParameter;
1729
1730     grad->wrap = wrap;
1731
1732     return Ok;
1733 }
1734
1735 GpStatus WINGDIPAPI GdipSetPathGradientTransform(GpPathGradient *grad,
1736     GpMatrix *matrix)
1737 {
1738     TRACE("(%p,%p)\n", grad, matrix);
1739
1740     if (!grad || !matrix || grad->brush.bt != BrushTypePathGradient)
1741         return InvalidParameter;
1742
1743     grad->transform = *matrix;
1744
1745     return Ok;
1746 }
1747
1748 GpStatus WINGDIPAPI GdipGetPathGradientTransform(GpPathGradient *grad,
1749     GpMatrix *matrix)
1750 {
1751     TRACE("(%p,%p)\n", grad, matrix);
1752
1753     if (!grad || !matrix || grad->brush.bt != BrushTypePathGradient)
1754         return InvalidParameter;
1755
1756     *matrix = grad->transform;
1757
1758     return Ok;
1759 }
1760
1761 GpStatus WINGDIPAPI GdipMultiplyPathGradientTransform(GpPathGradient *grad,
1762     GDIPCONST GpMatrix *matrix, GpMatrixOrder order)
1763 {
1764     TRACE("(%p,%p,%i)\n", grad, matrix, order);
1765
1766     if (!grad || grad->brush.bt != BrushTypePathGradient)
1767         return InvalidParameter;
1768
1769     return GdipMultiplyMatrix(&grad->transform, matrix, order);
1770 }
1771
1772 GpStatus WINGDIPAPI GdipResetPathGradientTransform(GpPathGradient *grad)
1773 {
1774     TRACE("(%p)\n", grad);
1775
1776     if (!grad || grad->brush.bt != BrushTypePathGradient)
1777         return InvalidParameter;
1778
1779     return GdipSetMatrixElements(&grad->transform, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
1780 }
1781
1782 GpStatus WINGDIPAPI GdipRotatePathGradientTransform(GpPathGradient *grad,
1783     REAL angle, GpMatrixOrder order)
1784 {
1785     TRACE("(%p,%0.2f,%i)\n", grad, angle, order);
1786
1787     if (!grad || grad->brush.bt != BrushTypePathGradient)
1788         return InvalidParameter;
1789
1790     return GdipRotateMatrix(&grad->transform, angle, order);
1791 }
1792
1793 GpStatus WINGDIPAPI GdipScalePathGradientTransform(GpPathGradient *grad,
1794     REAL sx, REAL sy, GpMatrixOrder order)
1795 {
1796     TRACE("(%p,%0.2f,%0.2f,%i)\n", grad, sx, sy, order);
1797
1798     if (!grad || grad->brush.bt != BrushTypePathGradient)
1799         return InvalidParameter;
1800
1801     return GdipScaleMatrix(&grad->transform, sx, sy, order);
1802 }
1803
1804 GpStatus WINGDIPAPI GdipTranslatePathGradientTransform(GpPathGradient *grad,
1805     REAL dx, REAL dy, GpMatrixOrder order)
1806 {
1807     TRACE("(%p,%0.2f,%0.2f,%i)\n", grad, dx, dy, order);
1808
1809     if (!grad || grad->brush.bt != BrushTypePathGradient)
1810         return InvalidParameter;
1811
1812     return GdipTranslateMatrix(&grad->transform, dx, dy, order);
1813 }
1814
1815 GpStatus WINGDIPAPI GdipSetSolidFillColor(GpSolidFill *sf, ARGB argb)
1816 {
1817     TRACE("(%p, %x)\n", sf, argb);
1818
1819     if(!sf)
1820         return InvalidParameter;
1821
1822     sf->color = argb;
1823     return Ok;
1824 }
1825
1826 /******************************************************************************
1827  * GdipSetTextureTransform [GDIPLUS.@]
1828  */
1829 GpStatus WINGDIPAPI GdipSetTextureTransform(GpTexture *texture,
1830     GDIPCONST GpMatrix *matrix)
1831 {
1832     TRACE("(%p, %p)\n", texture, matrix);
1833
1834     if(!texture || !matrix)
1835         return InvalidParameter;
1836
1837     texture->transform = *matrix;
1838
1839     return Ok;
1840 }
1841
1842 /******************************************************************************
1843  * GdipSetTextureWrapMode [GDIPLUS.@]
1844  *
1845  * WrapMode not used, only stored
1846  */
1847 GpStatus WINGDIPAPI GdipSetTextureWrapMode(GpTexture *brush, GpWrapMode wrapmode)
1848 {
1849     TRACE("(%p, %d)\n", brush, wrapmode);
1850
1851     if(!brush)
1852         return InvalidParameter;
1853
1854     brush->imageattributes->wrap = wrapmode;
1855
1856     return Ok;
1857 }
1858
1859 GpStatus WINGDIPAPI GdipSetLineColors(GpLineGradient *brush, ARGB color1,
1860     ARGB color2)
1861 {
1862     TRACE("(%p, %x, %x)\n", brush, color1, color2);
1863
1864     if(!brush || brush->brush.bt != BrushTypeLinearGradient)
1865         return InvalidParameter;
1866
1867     brush->startcolor = color1;
1868     brush->endcolor   = color2;
1869
1870     return Ok;
1871 }
1872
1873 GpStatus WINGDIPAPI GdipGetLineColors(GpLineGradient *brush, ARGB *colors)
1874 {
1875     TRACE("(%p, %p)\n", brush, colors);
1876
1877     if(!brush || !colors || brush->brush.bt != BrushTypeLinearGradient)
1878         return InvalidParameter;
1879
1880     colors[0] = brush->startcolor;
1881     colors[1] = brush->endcolor;
1882
1883     return Ok;
1884 }
1885
1886 /******************************************************************************
1887  * GdipRotateTextureTransform [GDIPLUS.@]
1888  */
1889 GpStatus WINGDIPAPI GdipRotateTextureTransform(GpTexture* brush, REAL angle,
1890     GpMatrixOrder order)
1891 {
1892     TRACE("(%p, %.2f, %d)\n", brush, angle, order);
1893
1894     if(!brush)
1895         return InvalidParameter;
1896
1897     return GdipRotateMatrix(&brush->transform, angle, order);
1898 }
1899
1900 GpStatus WINGDIPAPI GdipSetLineLinearBlend(GpLineGradient *brush, REAL focus,
1901     REAL scale)
1902 {
1903     REAL factors[3];
1904     REAL positions[3];
1905     int num_points = 0;
1906
1907     TRACE("(%p,%.2f,%.2f)\n", brush, focus, scale);
1908
1909     if (!brush) return InvalidParameter;
1910
1911     if (focus != 0.0)
1912     {
1913         factors[num_points] = 0.0;
1914         positions[num_points] = 0.0;
1915         num_points++;
1916     }
1917
1918     factors[num_points] = scale;
1919     positions[num_points] = focus;
1920     num_points++;
1921
1922     if (focus != 1.0)
1923     {
1924         factors[num_points] = 0.0;
1925         positions[num_points] = 1.0;
1926         num_points++;
1927     }
1928
1929     return GdipSetLineBlend(brush, factors, positions, num_points);
1930 }
1931
1932 GpStatus WINGDIPAPI GdipSetLinePresetBlend(GpLineGradient *brush,
1933     GDIPCONST ARGB *blend, GDIPCONST REAL* positions, INT count)
1934 {
1935     ARGB *new_color;
1936     REAL *new_pos;
1937     TRACE("(%p,%p,%p,%i)\n", brush, blend, positions, count);
1938
1939     if (!brush || !blend || !positions || count < 2 || brush->brush.bt != BrushTypeLinearGradient ||
1940         positions[0] != 0.0f || positions[count-1] != 1.0f)
1941     {
1942         return InvalidParameter;
1943     }
1944
1945     new_color = GdipAlloc(count * sizeof(ARGB));
1946     new_pos = GdipAlloc(count * sizeof(REAL));
1947     if (!new_color || !new_pos)
1948     {
1949         GdipFree(new_color);
1950         GdipFree(new_pos);
1951         return OutOfMemory;
1952     }
1953
1954     memcpy(new_color, blend, sizeof(ARGB) * count);
1955     memcpy(new_pos, positions, sizeof(REAL) * count);
1956
1957     GdipFree(brush->pblendcolor);
1958     GdipFree(brush->pblendpos);
1959
1960     brush->pblendcolor = new_color;
1961     brush->pblendpos = new_pos;
1962     brush->pblendcount = count;
1963
1964     return Ok;
1965 }
1966
1967 GpStatus WINGDIPAPI GdipGetLinePresetBlend(GpLineGradient *brush,
1968     ARGB *blend, REAL* positions, INT count)
1969 {
1970     if (!brush || !blend || !positions || count < 2 || brush->brush.bt != BrushTypeLinearGradient)
1971         return InvalidParameter;
1972
1973     if (brush->pblendcount == 0)
1974         return GenericError;
1975
1976     if (count < brush->pblendcount)
1977         return InsufficientBuffer;
1978
1979     memcpy(blend, brush->pblendcolor, sizeof(ARGB) * brush->pblendcount);
1980     memcpy(positions, brush->pblendpos, sizeof(REAL) * brush->pblendcount);
1981
1982     return Ok;
1983 }
1984
1985 GpStatus WINGDIPAPI GdipGetLinePresetBlendCount(GpLineGradient *brush,
1986     INT *count)
1987 {
1988     if (!brush || !count || brush->brush.bt != BrushTypeLinearGradient)
1989         return InvalidParameter;
1990
1991     *count = brush->pblendcount;
1992
1993     return Ok;
1994 }
1995
1996 GpStatus WINGDIPAPI GdipResetLineTransform(GpLineGradient *brush)
1997 {
1998     static int calls;
1999
2000     TRACE("(%p)\n", brush);
2001
2002     if(!(calls++))
2003         FIXME("not implemented\n");
2004
2005     return NotImplemented;
2006 }
2007
2008 GpStatus WINGDIPAPI GdipSetLineTransform(GpLineGradient *brush,
2009     GDIPCONST GpMatrix *matrix)
2010 {
2011     static int calls;
2012
2013     TRACE("(%p,%p)\n", brush,  matrix);
2014
2015     if(!(calls++))
2016         FIXME("not implemented\n");
2017
2018     return NotImplemented;
2019 }
2020
2021 GpStatus WINGDIPAPI GdipGetLineTransform(GpLineGradient *brush, GpMatrix *matrix)
2022 {
2023     static int calls;
2024
2025     TRACE("(%p,%p)\n", brush, matrix);
2026
2027     if(!(calls++))
2028         FIXME("not implemented\n");
2029
2030     return NotImplemented;
2031 }
2032
2033 GpStatus WINGDIPAPI GdipScaleLineTransform(GpLineGradient *brush, REAL sx, REAL sy,
2034     GpMatrixOrder order)
2035 {
2036     static int calls;
2037
2038     TRACE("(%p,%0.2f,%0.2f,%u)\n", brush, sx, sy, order);
2039
2040     if(!(calls++))
2041         FIXME("not implemented\n");
2042
2043     return NotImplemented;
2044 }
2045
2046 GpStatus WINGDIPAPI GdipMultiplyLineTransform(GpLineGradient *brush,
2047     GDIPCONST GpMatrix *matrix, GpMatrixOrder order)
2048 {
2049     static int calls;
2050
2051     TRACE("(%p,%p,%u)\n", brush, matrix, order);
2052
2053     if(!(calls++))
2054         FIXME("not implemented\n");
2055
2056     return NotImplemented;
2057 }
2058
2059 GpStatus WINGDIPAPI GdipTranslateLineTransform(GpLineGradient* brush,
2060         REAL dx, REAL dy, GpMatrixOrder order)
2061 {
2062     static int calls;
2063
2064     TRACE("(%p,%f,%f,%d)\n", brush, dx, dy, order);
2065
2066     if(!(calls++))
2067         FIXME("not implemented\n");
2068
2069     return Ok;
2070 }
2071
2072 /******************************************************************************
2073  * GdipTranslateTextureTransform [GDIPLUS.@]
2074  */
2075 GpStatus WINGDIPAPI GdipTranslateTextureTransform(GpTexture* brush, REAL dx, REAL dy,
2076     GpMatrixOrder order)
2077 {
2078     TRACE("(%p, %.2f, %.2f, %d)\n", brush, dx, dy, order);
2079
2080     if(!brush)
2081         return InvalidParameter;
2082
2083     return GdipTranslateMatrix(&brush->transform, dx, dy, order);
2084 }
2085
2086 GpStatus WINGDIPAPI GdipGetLineRect(GpLineGradient *brush, GpRectF *rect)
2087 {
2088     TRACE("(%p, %p)\n", brush, rect);
2089
2090     if(!brush || !rect || brush->brush.bt != BrushTypeLinearGradient)
2091         return InvalidParameter;
2092
2093     *rect = brush->rect;
2094
2095     return Ok;
2096 }
2097
2098 GpStatus WINGDIPAPI GdipGetLineRectI(GpLineGradient *brush, GpRect *rect)
2099 {
2100     GpRectF  rectF;
2101     GpStatus ret;
2102
2103     TRACE("(%p, %p)\n", brush, rect);
2104
2105     if(!rect)
2106         return InvalidParameter;
2107
2108     ret = GdipGetLineRect(brush, &rectF);
2109
2110     if(ret == Ok){
2111         rect->X      = gdip_round(rectF.X);
2112         rect->Y      = gdip_round(rectF.Y);
2113         rect->Width  = gdip_round(rectF.Width);
2114         rect->Height = gdip_round(rectF.Height);
2115     }
2116
2117     return ret;
2118 }
2119
2120 GpStatus WINGDIPAPI GdipRotateLineTransform(GpLineGradient* brush,
2121     REAL angle, GpMatrixOrder order)
2122 {
2123     static int calls;
2124
2125     TRACE("(%p,%0.2f,%u)\n", brush, angle, order);
2126
2127     if(!brush || brush->brush.bt != BrushTypeLinearGradient)
2128         return InvalidParameter;
2129
2130     if(!(calls++))
2131         FIXME("(%p, %.2f, %d) stub\n", brush, angle, order);
2132
2133     return NotImplemented;
2134 }