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;
  64
  65             *clone = GdipAlloc(sizeof(GpPathGradient));
  66             if (!*clone) return OutOfMemory;
  67
  68             src = (GpPathGradient*) brush,
  69             dest = (GpPathGradient*) *clone;
  70             count = src->pathdata.Count;
  71
  72             memcpy(dest, src, sizeof(GpPathGradient));
  73
  74             dest->pathdata.Count = count;
  75             dest->pathdata.Points = GdipAlloc(count * sizeof(PointF));
  76             dest->pathdata.Types = GdipAlloc(count);
  77
  78             if(!dest->pathdata.Points || !dest->pathdata.Types){
  79                 GdipFree(dest->pathdata.Points);
  80                 GdipFree(dest->pathdata.Types);
  81                 GdipFree(dest);
  82                 return OutOfMemory;
  83             }
  84
  85             memcpy(dest->pathdata.Points, src->pathdata.Points, count * sizeof(PointF));
  86             memcpy(dest->pathdata.Types, src->pathdata.Types, count);
  87
  88             /* blending */
  89             count = src->blendcount;
  90             dest->blendcount = count;
  91             dest->blendfac = GdipAlloc(count * sizeof(REAL));
  92             dest->blendpos = GdipAlloc(count * sizeof(REAL));
  93
  94             if(!dest->blendfac || !dest->blendpos){
  95                 GdipFree(dest->pathdata.Points);
  96                 GdipFree(dest->pathdata.Types);
  97                 GdipFree(dest->blendfac);
  98                 GdipFree(dest->blendpos);
  99                 GdipFree(dest);
 100                 return OutOfMemory;
 101             }
 102
 103             memcpy(dest->blendfac, src->blendfac, count * sizeof(REAL));
 104             memcpy(dest->blendpos, src->blendpos, count * sizeof(REAL));
 105
 106             break;
 107         }
 108         case BrushTypeLinearGradient:{
 109             GpLineGradient *dest, *src;
 110             INT count, pcount;
 111
 112             dest = GdipAlloc(sizeof(GpLineGradient));
 113             if(!dest)    return OutOfMemory;
 114
 115             src = (GpLineGradient*)brush;
 116
 117             memcpy(dest, src, sizeof(GpLineGradient));
 118
 119             count = dest->blendcount;
 120             dest->blendfac = GdipAlloc(count * sizeof(REAL));
 121             dest->blendpos = GdipAlloc(count * sizeof(REAL));
 122             pcount = dest->pblendcount;
 123             if (pcount)
 124             {
 125                 dest->pblendcolor = GdipAlloc(pcount * sizeof(ARGB));
 126                 dest->pblendpos = GdipAlloc(pcount * sizeof(REAL));
 127             }
 128
 129             if (!dest->blendfac || !dest->blendpos ||
 130                 (pcount && (!dest->pblendcolor || !dest->pblendpos)))
 131             {
 132                 GdipFree(dest->blendfac);
 133                 GdipFree(dest->blendpos);
 134                 GdipFree(dest->pblendcolor);
 135                 GdipFree(dest->pblendpos);
 136                 GdipFree(dest);
 137                 return OutOfMemory;
 138             }
 139
 140             memcpy(dest->blendfac, src->blendfac, count * sizeof(REAL));
 141             memcpy(dest->blendpos, src->blendpos, count * sizeof(REAL));
 142
 143             if (pcount)
 144             {
 145                 memcpy(dest->pblendcolor, src->pblendcolor, pcount * sizeof(ARGB));
 146                 memcpy(dest->pblendpos, src->pblendpos, pcount * sizeof(REAL));
 147             }
 148
 149             *clone = &dest->brush;
 150             break;
 151         }
 152         case BrushTypeTextureFill:
 153         {
 154             GpStatus stat;
 155             GpTexture *texture = (GpTexture*)brush;
 156             GpTexture *new_texture;
 157             UINT width, height;
 158
 159             stat = GdipGetImageWidth(texture->image, &width);
 160             if (stat != Ok) return stat;
 161             stat = GdipGetImageHeight(texture->image, &height);
 162             if (stat != Ok) return stat;
 163
 164             stat = GdipCreateTextureIA(texture->image, texture->imageattributes, 0, 0, width, height, &new_texture);
 165
 166             if (stat == Ok)
 167             {
 168                 memcpy(new_texture->transform, texture->transform, sizeof(GpMatrix));
 169                 *clone = (GpBrush*)new_texture;
 170             }
 171             else
 172                 *clone = NULL;
 173
 174             return stat;
 175         }
 176         default:
 177             ERR("not implemented for brush type %d\n", brush->bt);
 178             return NotImplemented;
 179     }
 180
 181     TRACE("<-- %p\n", *clone);
 182     return Ok;
 183 }
 184
 185 static const char HatchBrushes[][8] = {
 186     { 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00 }, /* HatchStyleHorizontal */
 187     { 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 }, /* HatchStyleVertical */
 188     { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }, /* HatchStyleForwardDiagonal */
 189     { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }, /* HatchStyleBackwardDiagonal */
 190     { 0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08 }, /* HatchStyleCross */
 191     { 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 }, /* HatchStyleDiagonalCross */
 192     { 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x80 }, /* HatchStyle05Percent */
 193     { 0x00, 0x02, 0x00, 0x88, 0x00, 0x20, 0x00, 0x88 }, /* HatchStyle10Percent */
 194     { 0x00, 0x22, 0x00, 0xcc, 0x00, 0x22, 0x00, 0xcc }, /* HatchStyle20Percent */
 195     { 0x00, 0xcc, 0x00, 0xcc, 0x00, 0xcc, 0x00, 0xcc }, /* HatchStyle25Percent */
 196     { 0x00, 0xcc, 0x04, 0xcc, 0x00, 0xcc, 0x40, 0xcc }, /* HatchStyle30Percent */
 197     { 0x44, 0xcc, 0x22, 0xcc, 0x44, 0xcc, 0x22, 0xcc }, /* HatchStyle40Percent */
 198     { 0x55, 0xcc, 0x55, 0xcc, 0x55, 0xcc, 0x55, 0xcc }, /* HatchStyle50Percent */
 199     { 0x55, 0xcd, 0x55, 0xee, 0x55, 0xdc, 0x55, 0xee }, /* HatchStyle60Percent */
 200     { 0x55, 0xdd, 0x55, 0xff, 0x55, 0xdd, 0x55, 0xff }, /* HatchStyle70Percent */
 201     { 0x55, 0xff, 0x55, 0xff, 0x55, 0xff, 0x55, 0xff }, /* HatchStyle75Percent */
 202     { 0x55, 0xff, 0x59, 0xff, 0x55, 0xff, 0x99, 0xff }, /* HatchStyle80Percent */
 203     { 0x77, 0xff, 0xdd, 0xff, 0x77, 0xff, 0xfd, 0xff }, /* HatchStyle90Percent */
 204     { 0x11, 0x22, 0x44, 0x88, 0x11, 0x22, 0x44, 0x88 }, /* HatchStyleLightDownwardDiagonal */
 205     { 0x88, 0x44, 0x22, 0x11, 0x88, 0x44, 0x22, 0x11 }, /* HatchStyleLightUpwardDiagonal */
 206     { 0x99, 0x33, 0x66, 0xcc, 0x99, 0x33, 0x66, 0xcc }, /* HatchStyleDarkDownwardDiagonal */
 207     { 0xcc, 0x66, 0x33, 0x99, 0xcc, 0x66, 0x33, 0x99 }, /* HatchStyleDarkUpwardDiagonal */
 208     { 0xc1, 0x83, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0 }, /* HatchStyleWideDownwardDiagonal */
 209     { 0xe0, 0x70, 0x38, 0x1c, 0x0e, 0x07, 0x83, 0xc1 }, /* HatchStyleWideUpwardDiagonal */
 210     { 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88 }, /* HatchStyleLightVertical */
 211     { 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff }, /* HatchStyleLightHorizontal */
 212     { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa }, /* HatchStyleNarrowVertical */
 213     { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff }, /* HatchStyleNarrowHorizontal */
 214     { 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc }, /* HatchStyleDarkVertical */
 215     { 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff }, /* HatchStyleDarkHorizontal */
 216 };
 217
 218 GpStatus get_hatch_data(HatchStyle hatchstyle, const char **result)
 219 {
 220     if (hatchstyle < sizeof(HatchBrushes) / sizeof(HatchBrushes[0]))
 221     {
 222         *result = HatchBrushes[hatchstyle];
 223         return Ok;
 224     }
 225     else
 226         return NotImplemented;
 227 }
 228
 229 /******************************************************************************
 230  * GdipCreateHatchBrush [GDIPLUS.@]
 231  */
 232 GpStatus WINGDIPAPI GdipCreateHatchBrush(HatchStyle hatchstyle, ARGB forecol, ARGB backcol, GpHatch **brush)
 233 {
 234     TRACE("(%d, %d, %d, %p)\n", hatchstyle, forecol, backcol, brush);
 235
 236     if(!brush)  return InvalidParameter;
 237
 238     *brush = GdipAlloc(sizeof(GpHatch));
 239     if (!*brush) return OutOfMemory;
 240
 241     (*brush)->brush.bt = BrushTypeHatchFill;
 242     (*brush)->forecol = forecol;
 243     (*brush)->backcol = backcol;
 244     (*brush)->hatchstyle = hatchstyle;
 245     TRACE("<-- %p\n", *brush);
 246
 247     return Ok;
 248 }
 249
 250 /******************************************************************************
 251  * GdipCreateLineBrush [GDIPLUS.@]
 252  */
 253 GpStatus WINGDIPAPI GdipCreateLineBrush(GDIPCONST GpPointF* startpoint,
 254     GDIPCONST GpPointF* endpoint, ARGB startcolor, ARGB endcolor,
 255     GpWrapMode wrap, GpLineGradient **line)
 256 {
 257     TRACE("(%s, %s, %x, %x, %d, %p)\n", debugstr_pointf(startpoint),
 258           debugstr_pointf(endpoint), startcolor, endcolor, wrap, line);
 259
 260     if(!line || !startpoint || !endpoint || wrap == WrapModeClamp)
 261         return InvalidParameter;
 262
 263     if (startpoint->X == endpoint->X && startpoint->Y == endpoint->Y)
 264         return OutOfMemory;
 265
 266     *line = GdipAlloc(sizeof(GpLineGradient));
 267     if(!*line)  return OutOfMemory;
 268
 269     (*line)->brush.bt = BrushTypeLinearGradient;
 270
 271     (*line)->startpoint.X = startpoint->X;
 272     (*line)->startpoint.Y = startpoint->Y;
 273     (*line)->endpoint.X = endpoint->X;
 274     (*line)->endpoint.Y = endpoint->Y;
 275     (*line)->startcolor = startcolor;
 276     (*line)->endcolor = endcolor;
 277     (*line)->wrap = wrap;
 278     (*line)->gamma = FALSE;
 279
 280     (*line)->rect.X = (startpoint->X < endpoint->X ? startpoint->X: endpoint->X);
 281     (*line)->rect.Y = (startpoint->Y < endpoint->Y ? startpoint->Y: endpoint->Y);
 282     (*line)->rect.Width  = fabs(startpoint->X - endpoint->X);
 283     (*line)->rect.Height = fabs(startpoint->Y - endpoint->Y);
 284
 285     if ((*line)->rect.Width == 0)
 286     {
 287         (*line)->rect.X -= (*line)->rect.Height / 2.0f;
 288         (*line)->rect.Width = (*line)->rect.Height;
 289     }
 290     else if ((*line)->rect.Height == 0)
 291     {
 292         (*line)->rect.Y -= (*line)->rect.Width / 2.0f;
 293         (*line)->rect.Height = (*line)->rect.Width;
 294     }
 295
 296     (*line)->blendcount = 1;
 297     (*line)->blendfac = GdipAlloc(sizeof(REAL));
 298     (*line)->blendpos = GdipAlloc(sizeof(REAL));
 299
 300     if (!(*line)->blendfac || !(*line)->blendpos)
 301     {
 302         GdipFree((*line)->blendfac);
 303         GdipFree((*line)->blendpos);
 304         GdipFree(*line);
 305         *line = NULL;
 306         return OutOfMemory;
 307     }
 308
 309     (*line)->blendfac[0] = 1.0f;
 310     (*line)->blendpos[0] = 1.0f;
 311
 312     (*line)->pblendcolor = NULL;
 313     (*line)->pblendpos = NULL;
 314     (*line)->pblendcount = 0;
 315
 316     TRACE("<-- %p\n", *line);
 317
 318     return Ok;
 319 }
 320
 321 GpStatus WINGDIPAPI GdipCreateLineBrushI(GDIPCONST GpPoint* startpoint,
 322     GDIPCONST GpPoint* endpoint, ARGB startcolor, ARGB endcolor,
 323     GpWrapMode wrap, GpLineGradient **line)
 324 {
 325     GpPointF stF;
 326     GpPointF endF;
 327
 328     TRACE("(%p, %p, %x, %x, %d, %p)\n", startpoint, endpoint,
 329           startcolor, endcolor, wrap, line);
 330
 331     if(!startpoint || !endpoint)
 332         return InvalidParameter;
 333
 334     stF.X  = (REAL)startpoint->X;
 335     stF.Y  = (REAL)startpoint->Y;
 336     endF.X = (REAL)endpoint->X;
 337     endF.Y = (REAL)endpoint->Y;
 338
 339     return GdipCreateLineBrush(&stF, &endF, startcolor, endcolor, wrap, line);
 340 }
 341
 342 GpStatus WINGDIPAPI GdipCreateLineBrushFromRect(GDIPCONST GpRectF* rect,
 343     ARGB startcolor, ARGB endcolor, LinearGradientMode mode, GpWrapMode wrap,
 344     GpLineGradient **line)
 345 {
 346     GpPointF start, end;
 347     GpStatus stat;
 348
 349     TRACE("(%p, %x, %x, %d, %d, %p)\n", rect, startcolor, endcolor, mode,
 350           wrap, line);
 351
 352     if(!line || !rect)
 353         return InvalidParameter;
 354
 355     switch (mode)
 356     {
 357     case LinearGradientModeHorizontal:
 358         start.X = rect->X;
 359         start.Y = rect->Y;
 360         end.X = rect->X + rect->Width;
 361         end.Y = rect->Y;
 362         break;
 363     case LinearGradientModeVertical:
 364         start.X = rect->X;
 365         start.Y = rect->Y;
 366         end.X = rect->X;
 367         end.Y = rect->Y + rect->Height;
 368         break;
 369     case LinearGradientModeForwardDiagonal:
 370         start.X = rect->X;
 371         start.Y = rect->Y;
 372         end.X = rect->X + rect->Width;
 373         end.Y = rect->Y + rect->Height;
 374         break;
 375     case LinearGradientModeBackwardDiagonal:
 376         start.X = rect->X + rect->Width;
 377         start.Y = rect->Y;
 378         end.X = rect->X;
 379         end.Y = rect->Y + rect->Height;
 380         break;
 381     default:
 382         return InvalidParameter;
 383     }
 384
 385     stat = GdipCreateLineBrush(&start, &end, startcolor, endcolor, wrap, line);
 386
 387     if (stat == Ok)
 388         (*line)->rect = *rect;
 389
 390     return stat;
 391 }
 392
 393 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectI(GDIPCONST GpRect* rect,
 394     ARGB startcolor, ARGB endcolor, LinearGradientMode mode, GpWrapMode wrap,
 395     GpLineGradient **line)
 396 {
 397     GpRectF rectF;
 398
 399     TRACE("(%p, %x, %x, %d, %d, %p)\n", rect, startcolor, endcolor, mode,
 400           wrap, line);
 401
 402     rectF.X      = (REAL) rect->X;
 403     rectF.Y      = (REAL) rect->Y;
 404     rectF.Width  = (REAL) rect->Width;
 405     rectF.Height = (REAL) rect->Height;
 406
 407     return GdipCreateLineBrushFromRect(&rectF, startcolor, endcolor, mode, wrap, line);
 408 }
 409
 410 /******************************************************************************
 411  * GdipCreateLineBrushFromRectWithAngle [GDIPLUS.@]
 412  */
 413 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectWithAngle(GDIPCONST GpRectF* rect,
 414     ARGB startcolor, ARGB endcolor, REAL angle, BOOL isAngleScalable, GpWrapMode wrap,
 415     GpLineGradient **line)
 416 {
 417     GpStatus stat;
 418     LinearGradientMode mode;
 419     REAL width, height, exofs, eyofs;
 420     REAL sin_angle, cos_angle, sin_cos_angle;
 421
 422     TRACE("(%p, %x, %x, %.2f, %d, %d, %p)\n", rect, startcolor, endcolor, angle, isAngleScalable,
 423           wrap, line);
 424
 425     sin_angle = sinf(deg2rad(angle));
 426     cos_angle = cosf(deg2rad(angle));
 427     sin_cos_angle = sin_angle * cos_angle;
 428
 429     if (isAngleScalable)
 430     {
 431         width = height = 1.0;
 432     }
 433     else
 434     {
 435         width = rect->Width;
 436         height = rect->Height;
 437     }
 438
 439     if (sin_cos_angle >= 0)
 440         mode = LinearGradientModeForwardDiagonal;
 441     else
 442         mode = LinearGradientModeBackwardDiagonal;
 443
 444     stat = GdipCreateLineBrushFromRect(rect, startcolor, endcolor, mode, wrap, line);
 445
 446     if (stat == Ok)
 447     {
 448         if (sin_cos_angle >= 0)
 449         {
 450             exofs = width * sin_cos_angle + height * cos_angle * cos_angle;
 451             eyofs = width * sin_angle * sin_angle + height * sin_cos_angle;
 452         }
 453         else
 454         {
 455             exofs = width * sin_angle * sin_angle + height * sin_cos_angle;
 456             eyofs = -width * sin_cos_angle + height * sin_angle * sin_angle;
 457         }
 458
 459         if (isAngleScalable)
 460         {
 461             exofs = exofs * rect->Width;
 462             eyofs = eyofs * rect->Height;
 463         }
 464
 465         if (sin_angle >= 0)
 466         {
 467             (*line)->endpoint.X = rect->X + exofs;
 468             (*line)->endpoint.Y = rect->Y + eyofs;
 469         }
 470         else
 471         {
 472             (*line)->endpoint.X = (*line)->startpoint.X;
 473             (*line)->endpoint.Y = (*line)->startpoint.Y;
 474             (*line)->startpoint.X = rect->X + exofs;
 475             (*line)->startpoint.Y = rect->Y + eyofs;
 476         }
 477     }
 478
 479     return stat;
 480 }
 481
 482 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectWithAngleI(GDIPCONST GpRect* rect,
 483     ARGB startcolor, ARGB endcolor, REAL angle, BOOL isAngleScalable, GpWrapMode wrap,
 484     GpLineGradient **line)
 485 {
 486     TRACE("(%p, %x, %x, %.2f, %d, %d, %p)\n", rect, startcolor, endcolor, angle, isAngleScalable,
 487           wrap, line);
 488
 489     return GdipCreateLineBrushFromRectI(rect, startcolor, endcolor, LinearGradientModeForwardDiagonal,
 490                                         wrap, line);
 491 }
 492
 493 GpStatus WINGDIPAPI GdipCreatePathGradient(GDIPCONST GpPointF* points,
 494     INT count, GpWrapMode wrap, GpPathGradient **grad)
 495 {
 496     TRACE("(%p, %d, %d, %p)\n", points, count, wrap, grad);
 497
 498     if(!points || !grad)
 499         return InvalidParameter;
 500
 501     if(count <= 0)
 502         return OutOfMemory;
 503
 504     *grad = GdipAlloc(sizeof(GpPathGradient));
 505     if (!*grad) return OutOfMemory;
 506
 507     (*grad)->blendfac = GdipAlloc(sizeof(REAL));
 508     (*grad)->blendpos = GdipAlloc(sizeof(REAL));
 509     if(!(*grad)->blendfac || !(*grad)->blendpos){
 510         GdipFree((*grad)->blendfac);
 511         GdipFree((*grad)->blendpos);
 512         GdipFree(*grad);
 513         *grad = NULL;
 514         return OutOfMemory;
 515     }
 516     (*grad)->blendfac[0] = 1.0;
 517     (*grad)->blendpos[0] = 1.0;
 518     (*grad)->blendcount  = 1;
 519
 520     (*grad)->pathdata.Count = count;
 521     (*grad)->pathdata.Points = GdipAlloc(count * sizeof(PointF));
 522     (*grad)->pathdata.Types = GdipAlloc(count);
 523
 524     if(!(*grad)->pathdata.Points || !(*grad)->pathdata.Types){
 525         GdipFree((*grad)->pathdata.Points);
 526         GdipFree((*grad)->pathdata.Types);
 527         GdipFree(*grad);
 528         return OutOfMemory;
 529     }
 530
 531     memcpy((*grad)->pathdata.Points, points, count * sizeof(PointF));
 532     memset((*grad)->pathdata.Types, PathPointTypeLine, count);
 533
 534     (*grad)->brush.bt = BrushTypePathGradient;
 535     (*grad)->centercolor = 0xffffffff;
 536     (*grad)->wrap = wrap;
 537     (*grad)->gamma = FALSE;
 538     (*grad)->center.X = 0.0;
 539     (*grad)->center.Y = 0.0;
 540     (*grad)->focus.X = 0.0;
 541     (*grad)->focus.Y = 0.0;
 542
 543     TRACE("<-- %p\n", *grad);
 544
 545     return Ok;
 546 }
 547
 548 GpStatus WINGDIPAPI GdipCreatePathGradientI(GDIPCONST GpPoint* points,
 549     INT count, GpWrapMode wrap, GpPathGradient **grad)
 550 {
 551     GpPointF *pointsF;
 552     GpStatus ret;
 553     INT i;
 554
 555     TRACE("(%p, %d, %d, %p)\n", points, count, wrap, grad);
 556
 557     if(!points || !grad)
 558         return InvalidParameter;
 559
 560     if(count <= 0)
 561         return OutOfMemory;
 562
 563     pointsF = GdipAlloc(sizeof(GpPointF) * count);
 564     if(!pointsF)
 565         return OutOfMemory;
 566
 567     for(i = 0; i < count; i++){
 568         pointsF[i].X = (REAL)points[i].X;
 569         pointsF[i].Y = (REAL)points[i].Y;
 570     }
 571
 572     ret = GdipCreatePathGradient(pointsF, count, wrap, grad);
 573     GdipFree(pointsF);
 574
 575     return ret;
 576 }
 577
 578 /******************************************************************************
 579  * GdipCreatePathGradientFromPath [GDIPLUS.@]
 580  *
 581  * FIXME: path gradient brushes not truly supported (drawn as solid brushes)
 582  */
 583 GpStatus WINGDIPAPI GdipCreatePathGradientFromPath(GDIPCONST GpPath* path,
 584     GpPathGradient **grad)
 585 {
 586     TRACE("(%p, %p)\n", path, grad);
 587
 588     if(!path || !grad)
 589         return InvalidParameter;
 590
 591     *grad = GdipAlloc(sizeof(GpPathGradient));
 592     if (!*grad) return OutOfMemory;
 593
 594     (*grad)->blendfac = GdipAlloc(sizeof(REAL));
 595     (*grad)->blendpos = GdipAlloc(sizeof(REAL));
 596     if(!(*grad)->blendfac || !(*grad)->blendpos){
 597         GdipFree((*grad)->blendfac);
 598         GdipFree((*grad)->blendpos);
 599         GdipFree(*grad);
 600         *grad = NULL;
 601         return OutOfMemory;
 602     }
 603     (*grad)->blendfac[0] = 1.0;
 604     (*grad)->blendpos[0] = 1.0;
 605     (*grad)->blendcount  = 1;
 606
 607     (*grad)->pathdata.Count = path->pathdata.Count;
 608     (*grad)->pathdata.Points = GdipAlloc(path->pathdata.Count * sizeof(PointF));
 609     (*grad)->pathdata.Types = GdipAlloc(path->pathdata.Count);
 610
 611     if(!(*grad)->pathdata.Points || !(*grad)->pathdata.Types){
 612         GdipFree((*grad)->pathdata.Points);
 613         GdipFree((*grad)->pathdata.Types);
 614         GdipFree(*grad);
 615         return OutOfMemory;
 616     }
 617
 618     memcpy((*grad)->pathdata.Points, path->pathdata.Points,
 619            path->pathdata.Count * sizeof(PointF));
 620     memcpy((*grad)->pathdata.Types, path->pathdata.Types, path->pathdata.Count);
 621
 622     (*grad)->brush.bt = BrushTypePathGradient;
 623     (*grad)->centercolor = 0xffffffff;
 624     (*grad)->wrap = WrapModeClamp;
 625     (*grad)->gamma = FALSE;
 626     /* FIXME: this should be set to the "centroid" of the path by default */
 627     (*grad)->center.X = 0.0;
 628     (*grad)->center.Y = 0.0;
 629     (*grad)->focus.X = 0.0;
 630     (*grad)->focus.Y = 0.0;
 631
 632     TRACE("<-- %p\n", *grad);
 633
 634     return Ok;
 635 }
 636
 637 /******************************************************************************
 638  * GdipCreateSolidFill [GDIPLUS.@]
 639  */
 640 GpStatus WINGDIPAPI GdipCreateSolidFill(ARGB color, GpSolidFill **sf)
 641 {
 642     TRACE("(%x, %p)\n", color, sf);
 643
 644     if(!sf)  return InvalidParameter;
 645
 646     *sf = GdipAlloc(sizeof(GpSolidFill));
 647     if (!*sf) return OutOfMemory;
 648
 649     (*sf)->brush.bt = BrushTypeSolidColor;
 650     (*sf)->color = color;
 651
 652     TRACE("<-- %p\n", *sf);
 653
 654     return Ok;
 655 }
 656
 657 /******************************************************************************
 658  * GdipCreateTexture [GDIPLUS.@]
 659  *
 660  * PARAMS
 661  *  image       [I] image to use
 662  *  wrapmode    [I] optional
 663  *  texture     [O] pointer to the resulting texturebrush
 664  *
 665  * RETURNS
 666  *  SUCCESS: Ok
 667  *  FAILURE: element of GpStatus
 668  */
 669 GpStatus WINGDIPAPI GdipCreateTexture(GpImage *image, GpWrapMode wrapmode,
 670         GpTexture **texture)
 671 {
 672     UINT width, height;
 673     GpImageAttributes *attributes;
 674     GpStatus stat;
 675
 676     TRACE("%p, %d %p\n", image, wrapmode, texture);
 677
 678     if (!(image && texture))
 679         return InvalidParameter;
 680
 681     stat = GdipGetImageWidth(image, &width);
 682     if (stat != Ok) return stat;
 683     stat = GdipGetImageHeight(image, &height);
 684     if (stat != Ok) return stat;
 685
 686     stat = GdipCreateImageAttributes(&attributes);
 687
 688     if (stat == Ok)
 689     {
 690         attributes->wrap = wrapmode;
 691
 692         stat = GdipCreateTextureIA(image, attributes, 0, 0, width, height,
 693             texture);
 694
 695         GdipDisposeImageAttributes(attributes);
 696     }
 697
 698     return stat;
 699 }
 700
 701 /******************************************************************************
 702  * GdipCreateTexture2 [GDIPLUS.@]
 703  */
 704 GpStatus WINGDIPAPI GdipCreateTexture2(GpImage *image, GpWrapMode wrapmode,
 705         REAL x, REAL y, REAL width, REAL height, GpTexture **texture)
 706 {
 707     GpImageAttributes *attributes;
 708     GpStatus stat;
 709
 710     TRACE("%p %d %f %f %f %f %p\n", image, wrapmode,
 711             x, y, width, height, texture);
 712
 713     stat = GdipCreateImageAttributes(&attributes);
 714
 715     if (stat == Ok)
 716     {
 717         attributes->wrap = wrapmode;
 718
 719         stat = GdipCreateTextureIA(image, attributes, x, y, width, height,
 720                 texture);
 721
 722         GdipDisposeImageAttributes(attributes);
 723     }
 724
 725     return stat;
 726 }
 727
 728 /******************************************************************************
 729  * GdipCreateTextureIA [GDIPLUS.@]
 730  *
 731  * FIXME: imageattr ignored
 732  */
 733 GpStatus WINGDIPAPI GdipCreateTextureIA(GpImage *image,
 734     GDIPCONST GpImageAttributes *imageattr, REAL x, REAL y, REAL width,
 735     REAL height, GpTexture **texture)
 736 {
 737     GpStatus status;
 738     GpImage *new_image=NULL;
 739
 740     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %p)\n", image, imageattr, x, y, width, height,
 741            texture);
 742
 743     if(!image || !texture || x < 0.0 || y < 0.0 || width < 0.0 || height < 0.0)
 744         return InvalidParameter;
 745
 746     *texture = NULL;
 747
 748     if(image->type != ImageTypeBitmap){
 749         FIXME("not implemented for image type %d\n", image->type);
 750         return NotImplemented;
 751     }
 752
 753     status = GdipCloneBitmapArea(x, y, width, height, PixelFormatDontCare, (GpBitmap*)image, (GpBitmap**)&new_image);
 754     if (status != Ok)
 755         return status;
 756
 757     *texture = GdipAlloc(sizeof(GpTexture));
 758     if (!*texture){
 759         status = OutOfMemory;
 760         goto exit;
 761     }
 762
 763     if((status = GdipCreateMatrix(&(*texture)->transform)) != Ok){
 764         goto exit;
 765     }
 766
 767     if (imageattr)
 768     {
 769         status = GdipCloneImageAttributes(imageattr, &(*texture)->imageattributes);
 770     }
 771     else
 772     {
 773         status = GdipCreateImageAttributes(&(*texture)->imageattributes);
 774         if (status == Ok)
 775             (*texture)->imageattributes->wrap = WrapModeTile;
 776     }
 777     if (status == Ok)
 778     {
 779         (*texture)->brush.bt = BrushTypeTextureFill;
 780         (*texture)->image = new_image;
 781     }
 782
 783 exit:
 784     if (status == Ok)
 785     {
 786         TRACE("<-- %p\n", *texture);
 787     }
 788     else
 789     {
 790         if (*texture)
 791         {
 792             GdipDeleteMatrix((*texture)->transform);
 793             GdipDisposeImageAttributes((*texture)->imageattributes);
 794             GdipFree(*texture);
 795             *texture = NULL;
 796         }
 797         GdipDisposeImage(new_image);
 798         TRACE("<-- error %u\n", status);
 799     }
 800
 801     return status;
 802 }
 803
 804 /******************************************************************************
 805  * GdipCreateTextureIAI [GDIPLUS.@]
 806  */
 807 GpStatus WINGDIPAPI GdipCreateTextureIAI(GpImage *image, GDIPCONST GpImageAttributes *imageattr,
 808     INT x, INT y, INT width, INT height, GpTexture **texture)
 809 {
 810     TRACE("(%p, %p, %d, %d, %d, %d, %p)\n", image, imageattr, x, y, width, height,
 811            texture);
 812
 813     return GdipCreateTextureIA(image,imageattr,(REAL)x,(REAL)y,(REAL)width,(REAL)height,texture);
 814 }
 815
 816 GpStatus WINGDIPAPI GdipCreateTexture2I(GpImage *image, GpWrapMode wrapmode,
 817         INT x, INT y, INT width, INT height, GpTexture **texture)
 818 {
 819     GpImageAttributes *imageattr;
 820     GpStatus stat;
 821
 822     TRACE("%p %d %d %d %d %d %p\n", image, wrapmode, x, y, width, height,
 823             texture);
 824
 825     stat = GdipCreateImageAttributes(&imageattr);
 826
 827     if (stat == Ok)
 828     {
 829         imageattr->wrap = wrapmode;
 830
 831         stat = GdipCreateTextureIA(image, imageattr, x, y, width, height, texture);
 832     }
 833
 834     return stat;
 835 }
 836
 837 GpStatus WINGDIPAPI GdipGetBrushType(GpBrush *brush, GpBrushType *type)
 838 {
 839     TRACE("(%p, %p)\n", brush, type);
 840
 841     if(!brush || !type)  return InvalidParameter;
 842
 843     *type = brush->bt;
 844
 845     return Ok;
 846 }
 847
 848 GpStatus WINGDIPAPI GdipGetHatchBackgroundColor(GpHatch *brush, ARGB *backcol)
 849 {
 850     TRACE("(%p, %p)\n", brush, backcol);
 851
 852     if(!brush || !backcol)  return InvalidParameter;
 853
 854     *backcol = brush->backcol;
 855
 856     return Ok;
 857 }
 858
 859 GpStatus WINGDIPAPI GdipGetHatchForegroundColor(GpHatch *brush, ARGB *forecol)
 860 {
 861     TRACE("(%p, %p)\n", brush, forecol);
 862
 863     if(!brush || !forecol)  return InvalidParameter;
 864
 865     *forecol = brush->forecol;
 866
 867     return Ok;
 868 }
 869
 870 GpStatus WINGDIPAPI GdipGetHatchStyle(GpHatch *brush, HatchStyle *hatchstyle)
 871 {
 872     TRACE("(%p, %p)\n", brush, hatchstyle);
 873
 874     if(!brush || !hatchstyle)  return InvalidParameter;
 875
 876     *hatchstyle = brush->hatchstyle;
 877
 878     return Ok;
 879 }
 880
 881 GpStatus WINGDIPAPI GdipDeleteBrush(GpBrush *brush)
 882 {
 883     TRACE("(%p)\n", brush);
 884
 885     if(!brush)  return InvalidParameter;
 886
 887     switch(brush->bt)
 888     {
 889         case BrushTypePathGradient:
 890             GdipFree(((GpPathGradient*) brush)->pathdata.Points);
 891             GdipFree(((GpPathGradient*) brush)->pathdata.Types);
 892             GdipFree(((GpPathGradient*) brush)->blendfac);
 893             GdipFree(((GpPathGradient*) brush)->blendpos);
 894             break;
 895         case BrushTypeLinearGradient:
 896             GdipFree(((GpLineGradient*)brush)->blendfac);
 897             GdipFree(((GpLineGradient*)brush)->blendpos);
 898             GdipFree(((GpLineGradient*)brush)->pblendcolor);
 899             GdipFree(((GpLineGradient*)brush)->pblendpos);
 900             break;
 901         case BrushTypeTextureFill:
 902             GdipDeleteMatrix(((GpTexture*)brush)->transform);
 903             GdipDisposeImage(((GpTexture*)brush)->image);
 904             GdipDisposeImageAttributes(((GpTexture*)brush)->imageattributes);
 905             GdipFree(((GpTexture*)brush)->bitmap_bits);
 906             break;
 907         default:
 908             break;
 909     }
 910
 911     GdipFree(brush);
 912
 913     return Ok;
 914 }
 915
 916 GpStatus WINGDIPAPI GdipGetLineGammaCorrection(GpLineGradient *line,
 917     BOOL *usinggamma)
 918 {
 919     TRACE("(%p, %p)\n", line, usinggamma);
 920
 921     if(!line || !usinggamma)
 922         return InvalidParameter;
 923
 924     *usinggamma = line->gamma;
 925
 926     return Ok;
 927 }
 928
 929 GpStatus WINGDIPAPI GdipGetLineWrapMode(GpLineGradient *brush, GpWrapMode *wrapmode)
 930 {
 931     TRACE("(%p, %p)\n", brush, wrapmode);
 932
 933     if(!brush || !wrapmode)
 934         return InvalidParameter;
 935
 936     *wrapmode = brush->wrap;
 937
 938     return Ok;
 939 }
 940
 941 GpStatus WINGDIPAPI GdipGetPathGradientBlend(GpPathGradient *brush, REAL *blend,
 942     REAL *positions, INT count)
 943 {
 944     TRACE("(%p, %p, %p, %d)\n", brush, blend, positions, count);
 945
 946     if(!brush || !blend || !positions || count <= 0)
 947         return InvalidParameter;
 948
 949     if(count < brush->blendcount)
 950         return InsufficientBuffer;
 951
 952     memcpy(blend, brush->blendfac, count*sizeof(REAL));
 953     if(brush->blendcount > 1){
 954         memcpy(positions, brush->blendpos, count*sizeof(REAL));
 955     }
 956
 957     return Ok;
 958 }
 959
 960 GpStatus WINGDIPAPI GdipGetPathGradientBlendCount(GpPathGradient *brush, INT *count)
 961 {
 962     TRACE("(%p, %p)\n", brush, count);
 963
 964     if(!brush || !count)
 965         return InvalidParameter;
 966
 967     *count = brush->blendcount;
 968
 969     return Ok;
 970 }
 971
 972 GpStatus WINGDIPAPI GdipGetPathGradientCenterPoint(GpPathGradient *grad,
 973     GpPointF *point)
 974 {
 975     TRACE("(%p, %p)\n", grad, point);
 976
 977     if(!grad || !point)
 978         return InvalidParameter;
 979
 980     point->X = grad->center.X;
 981     point->Y = grad->center.Y;
 982
 983     return Ok;
 984 }
 985
 986 GpStatus WINGDIPAPI GdipGetPathGradientCenterPointI(GpPathGradient *grad,
 987     GpPoint *point)
 988 {
 989     GpStatus ret;
 990     GpPointF ptf;
 991
 992     TRACE("(%p, %p)\n", grad, point);
 993
 994     if(!point)
 995         return InvalidParameter;
 996
 997     ret = GdipGetPathGradientCenterPoint(grad,&ptf);
 998
 999     if(ret == Ok){
1000         point->X = roundr(ptf.X);
1001         point->Y = roundr(ptf.Y);
1002     }
1003
1004     return ret;
1005 }
1006
1007 GpStatus WINGDIPAPI GdipGetPathGradientCenterColor(GpPathGradient *grad,
1008     ARGB *colors)
1009 {
1010     static int calls;
1011
1012     TRACE("(%p,%p)\n", grad, colors);
1013
1014     if(!(calls++))
1015         FIXME("not implemented\n");
1016
1017     return NotImplemented;
1018 }
1019
1020 GpStatus WINGDIPAPI GdipGetPathGradientFocusScales(GpPathGradient *grad,
1021     REAL *x, REAL *y)
1022 {
1023     TRACE("(%p, %p, %p)\n", grad, x, y);
1024
1025     if(!grad || !x || !y)
1026         return InvalidParameter;
1027
1028     *x = grad->focus.X;
1029     *y = grad->focus.Y;
1030
1031     return Ok;
1032 }
1033
1034 GpStatus WINGDIPAPI GdipGetPathGradientGammaCorrection(GpPathGradient *grad,
1035     BOOL *gamma)
1036 {
1037     TRACE("(%p, %p)\n", grad, gamma);
1038
1039     if(!grad || !gamma)
1040         return InvalidParameter;
1041
1042     *gamma = grad->gamma;
1043
1044     return Ok;
1045 }
1046
1047 GpStatus WINGDIPAPI GdipGetPathGradientPointCount(GpPathGradient *grad,
1048     INT *count)
1049 {
1050     TRACE("(%p, %p)\n", grad, count);
1051
1052     if(!grad || !count)
1053         return InvalidParameter;
1054
1055     *count = grad->pathdata.Count;
1056
1057     return Ok;
1058 }
1059
1060 GpStatus WINGDIPAPI GdipGetPathGradientRect(GpPathGradient *brush, GpRectF *rect)
1061 {
1062     GpRectF r;
1063     GpPath* path;
1064     GpStatus stat;
1065
1066     TRACE("(%p, %p)\n", brush, rect);
1067
1068     if(!brush || !rect)
1069         return InvalidParameter;
1070
1071     stat = GdipCreatePath2(brush->pathdata.Points, brush->pathdata.Types,
1072                            brush->pathdata.Count, FillModeAlternate, &path);
1073     if(stat != Ok)  return stat;
1074
1075     stat = GdipGetPathWorldBounds(path, &r, NULL, NULL);
1076     if(stat != Ok){
1077         GdipDeletePath(path);
1078         return stat;
1079     }
1080
1081     memcpy(rect, &r, sizeof(GpRectF));
1082
1083     GdipDeletePath(path);
1084
1085     return Ok;
1086 }
1087
1088 GpStatus WINGDIPAPI GdipGetPathGradientRectI(GpPathGradient *brush, GpRect *rect)
1089 {
1090     GpRectF rectf;
1091     GpStatus stat;
1092
1093     TRACE("(%p, %p)\n", brush, rect);
1094
1095     if(!brush || !rect)
1096         return InvalidParameter;
1097
1098     stat = GdipGetPathGradientRect(brush, &rectf);
1099     if(stat != Ok)  return stat;
1100
1101     rect->X = roundr(rectf.X);
1102     rect->Y = roundr(rectf.Y);
1103     rect->Width  = roundr(rectf.Width);
1104     rect->Height = roundr(rectf.Height);
1105
1106     return Ok;
1107 }
1108
1109 GpStatus WINGDIPAPI GdipGetPathGradientSurroundColorsWithCount(GpPathGradient
1110     *grad, ARGB *argb, INT *count)
1111 {
1112     static int calls;
1113
1114     TRACE("(%p,%p,%p)\n", grad, argb, count);
1115
1116     if(!grad || !argb || !count || (*count < grad->pathdata.Count))
1117         return InvalidParameter;
1118
1119     if(!(calls++))
1120         FIXME("not implemented\n");
1121
1122     return NotImplemented;
1123 }
1124
1125 GpStatus WINGDIPAPI GdipGetPathGradientSurroundColorCount(GpPathGradient *brush, INT *count)
1126 {
1127     static int calls;
1128
1129     TRACE("(%p, %p)\n", brush, count);
1130
1131     if (!brush || !count)
1132        return InvalidParameter;
1133
1134     if(!(calls++))
1135         FIXME("not implemented\n");
1136
1137     return NotImplemented;
1138 }
1139
1140 GpStatus WINGDIPAPI GdipGetPathGradientWrapMode(GpPathGradient *brush,
1141     GpWrapMode *wrapmode)
1142 {
1143     TRACE("(%p, %p)\n", brush, wrapmode);
1144
1145     if(!brush || !wrapmode)
1146         return InvalidParameter;
1147
1148     *wrapmode = brush->wrap;
1149
1150     return Ok;
1151 }
1152
1153 GpStatus WINGDIPAPI GdipGetSolidFillColor(GpSolidFill *sf, ARGB *argb)
1154 {
1155     TRACE("(%p, %p)\n", sf, argb);
1156
1157     if(!sf || !argb)
1158         return InvalidParameter;
1159
1160     *argb = sf->color;
1161
1162     return Ok;
1163 }
1164
1165 /******************************************************************************
1166  * GdipGetTextureImage [GDIPLUS.@]
1167  */
1168 GpStatus WINGDIPAPI GdipGetTextureImage(GpTexture *brush, GpImage **image)
1169 {
1170     TRACE("(%p, %p)\n", brush, image);
1171
1172     if(!brush || !image)
1173         return InvalidParameter;
1174
1175     return GdipCloneImage(brush->image, image);
1176 }
1177
1178 /******************************************************************************
1179  * GdipGetTextureTransform [GDIPLUS.@]
1180  */
1181 GpStatus WINGDIPAPI GdipGetTextureTransform(GpTexture *brush, GpMatrix *matrix)
1182 {
1183     TRACE("(%p, %p)\n", brush, matrix);
1184
1185     if(!brush || !matrix)
1186         return InvalidParameter;
1187
1188     memcpy(matrix, brush->transform, sizeof(GpMatrix));
1189
1190     return Ok;
1191 }
1192
1193 /******************************************************************************
1194  * GdipGetTextureWrapMode [GDIPLUS.@]
1195  */
1196 GpStatus WINGDIPAPI GdipGetTextureWrapMode(GpTexture *brush, GpWrapMode *wrapmode)
1197 {
1198     TRACE("(%p, %p)\n", brush, wrapmode);
1199
1200     if(!brush || !wrapmode)
1201         return InvalidParameter;
1202
1203     *wrapmode = brush->imageattributes->wrap;
1204
1205     return Ok;
1206 }
1207
1208 /******************************************************************************
1209  * GdipMultiplyTextureTransform [GDIPLUS.@]
1210  */
1211 GpStatus WINGDIPAPI GdipMultiplyTextureTransform(GpTexture* brush,
1212     GDIPCONST GpMatrix *matrix, GpMatrixOrder order)
1213 {
1214     TRACE("(%p, %p, %d)\n", brush, matrix, order);
1215
1216     if(!brush || !matrix)
1217         return InvalidParameter;
1218
1219     return GdipMultiplyMatrix(brush->transform, matrix, order);
1220 }
1221
1222 /******************************************************************************
1223  * GdipResetTextureTransform [GDIPLUS.@]
1224  */
1225 GpStatus WINGDIPAPI GdipResetTextureTransform(GpTexture* brush)
1226 {
1227     TRACE("(%p)\n", brush);
1228
1229     if(!brush)
1230         return InvalidParameter;
1231
1232     return GdipSetMatrixElements(brush->transform, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
1233 }
1234
1235 /******************************************************************************
1236  * GdipScaleTextureTransform [GDIPLUS.@]
1237  */
1238 GpStatus WINGDIPAPI GdipScaleTextureTransform(GpTexture* brush,
1239     REAL sx, REAL sy, GpMatrixOrder order)
1240 {
1241     TRACE("(%p, %.2f, %.2f, %d)\n", brush, sx, sy, order);
1242
1243     if(!brush)
1244         return InvalidParameter;
1245
1246     return GdipScaleMatrix(brush->transform, sx, sy, order);
1247 }
1248
1249 GpStatus WINGDIPAPI GdipSetLineBlend(GpLineGradient *brush,
1250     GDIPCONST REAL *factors, GDIPCONST REAL* positions, INT count)
1251 {
1252     REAL *new_blendfac, *new_blendpos;
1253
1254     TRACE("(%p, %p, %p, %i)\n", brush, factors, positions, count);
1255
1256     if(!brush || !factors || !positions || count <= 0 ||
1257        (count >= 2 && (positions[0] != 0.0f || positions[count-1] != 1.0f)))
1258         return InvalidParameter;
1259
1260     new_blendfac = GdipAlloc(count * sizeof(REAL));
1261     new_blendpos = GdipAlloc(count * sizeof(REAL));
1262
1263     if (!new_blendfac || !new_blendpos)
1264     {
1265         GdipFree(new_blendfac);
1266         GdipFree(new_blendpos);
1267         return OutOfMemory;
1268     }
1269
1270     memcpy(new_blendfac, factors, count * sizeof(REAL));
1271     memcpy(new_blendpos, positions, count * sizeof(REAL));
1272
1273     GdipFree(brush->blendfac);
1274     GdipFree(brush->blendpos);
1275
1276     brush->blendcount = count;
1277     brush->blendfac = new_blendfac;
1278     brush->blendpos = new_blendpos;
1279
1280     return Ok;
1281 }
1282
1283 GpStatus WINGDIPAPI GdipGetLineBlend(GpLineGradient *brush, REAL *factors,
1284     REAL *positions, INT count)
1285 {
1286     TRACE("(%p, %p, %p, %i)\n", brush, factors, positions, count);
1287
1288     if (!brush || !factors || !positions || count <= 0)
1289         return InvalidParameter;
1290
1291     if (count < brush->blendcount)
1292         return InsufficientBuffer;
1293
1294     memcpy(factors, brush->blendfac, brush->blendcount * sizeof(REAL));
1295     memcpy(positions, brush->blendpos, brush->blendcount * sizeof(REAL));
1296
1297     return Ok;
1298 }
1299
1300 GpStatus WINGDIPAPI GdipGetLineBlendCount(GpLineGradient *brush, INT *count)
1301 {
1302     TRACE("(%p, %p)\n", brush, count);
1303
1304     if (!brush || !count)
1305         return InvalidParameter;
1306
1307     *count = brush->blendcount;
1308
1309     return Ok;
1310 }
1311
1312 GpStatus WINGDIPAPI GdipSetLineGammaCorrection(GpLineGradient *line,
1313     BOOL usegamma)
1314 {
1315     TRACE("(%p, %d)\n", line, usegamma);
1316
1317     if(!line)
1318         return InvalidParameter;
1319
1320     line->gamma = usegamma;
1321
1322     return Ok;
1323 }
1324
1325 GpStatus WINGDIPAPI GdipSetLineSigmaBlend(GpLineGradient *line, REAL focus,
1326     REAL scale)
1327 {
1328     REAL factors[33];
1329     REAL positions[33];
1330     int num_points = 0;
1331     int i;
1332     const int precision = 16;
1333     REAL erf_range; /* we use values erf(-erf_range) through erf(+erf_range) */
1334     REAL min_erf;
1335     REAL scale_erf;
1336
1337     TRACE("(%p, %0.2f, %0.2f)\n", line, focus, scale);
1338
1339     if(!line || focus < 0.0 || focus > 1.0 || scale < 0.0 || scale > 1.0)
1340         return InvalidParameter;
1341
1342     /* we want 2 standard deviations */
1343     erf_range = 2.0 / sqrt(2);
1344
1345     /* calculate the constants we need to normalize the error function to be
1346         between 0.0 and scale over the range we need */
1347     min_erf = erf(-erf_range);
1348     scale_erf = scale / (-2.0 * min_erf);
1349
1350     if (focus != 0.0)
1351     {
1352         positions[0] = 0.0;
1353         factors[0] = 0.0;
1354         for (i=1; i<precision; i++)
1355         {
1356             positions[i] = focus * i / precision;
1357             factors[i] = scale_erf * (erf(2 * erf_range * i / precision - erf_range) - min_erf);
1358         }
1359         num_points += precision;
1360     }
1361
1362     positions[num_points] = focus;
1363     factors[num_points] = scale;
1364     num_points += 1;
1365
1366     if (focus != 1.0)
1367     {
1368         for (i=1; i<precision; i++)
1369         {
1370             positions[i+num_points-1] = (focus + ((1.0-focus) * i / precision));
1371             factors[i+num_points-1] = scale_erf * (erf(erf_range - 2 * erf_range * i / precision) - min_erf);
1372         }
1373         num_points += precision;
1374         positions[num_points-1] = 1.0;
1375         factors[num_points-1] = 0.0;
1376     }
1377
1378     return GdipSetLineBlend(line, factors, positions, num_points);
1379 }
1380
1381 GpStatus WINGDIPAPI GdipSetLineWrapMode(GpLineGradient *line,
1382     GpWrapMode wrap)
1383 {
1384     TRACE("(%p, %d)\n", line, wrap);
1385
1386     if(!line || wrap == WrapModeClamp)
1387         return InvalidParameter;
1388
1389     line->wrap = wrap;
1390
1391     return Ok;
1392 }
1393
1394 GpStatus WINGDIPAPI GdipSetPathGradientBlend(GpPathGradient *brush, GDIPCONST REAL *blend,
1395     GDIPCONST REAL *pos, INT count)
1396 {
1397     static int calls;
1398
1399     TRACE("(%p,%p,%p,%i)\n", brush, blend, pos, count);
1400
1401     if(!(calls++))
1402         FIXME("not implemented\n");
1403
1404     return NotImplemented;
1405 }
1406
1407 GpStatus WINGDIPAPI GdipSetPathGradientLinearBlend(GpPathGradient *brush,
1408     REAL focus, REAL scale)
1409 {
1410     static int calls;
1411
1412     TRACE("(%p,%0.2f,%0.2f)\n", brush, focus, scale);
1413
1414     if(!(calls++))
1415         FIXME("not implemented\n");
1416
1417     return NotImplemented;
1418 }
1419
1420 GpStatus WINGDIPAPI GdipSetPathGradientPresetBlend(GpPathGradient *brush,
1421     GDIPCONST ARGB *blend, GDIPCONST REAL *pos, INT count)
1422 {
1423     FIXME("(%p,%p,%p,%i): stub\n", brush, blend, pos, count);
1424     return NotImplemented;
1425 }
1426
1427 GpStatus WINGDIPAPI GdipGetPathGradientPresetBlend(GpPathGradient *brush,
1428     ARGB *blend, REAL *pos, INT count)
1429 {
1430     FIXME("(%p,%p,%p,%i): stub\n", brush, blend, pos, count);
1431     return NotImplemented;
1432 }
1433
1434 GpStatus WINGDIPAPI GdipGetPathGradientPresetBlendCount(GpPathGradient *brush,
1435     INT *count)
1436 {
1437     FIXME("(%p,%p): stub\n", brush, count);
1438     return NotImplemented;
1439 }
1440
1441 GpStatus WINGDIPAPI GdipSetPathGradientCenterColor(GpPathGradient *grad,
1442     ARGB argb)
1443 {
1444     TRACE("(%p, %x)\n", grad, argb);
1445
1446     if(!grad)
1447         return InvalidParameter;
1448
1449     grad->centercolor = argb;
1450     return Ok;
1451 }
1452
1453 GpStatus WINGDIPAPI GdipSetPathGradientCenterPoint(GpPathGradient *grad,
1454     GpPointF *point)
1455 {
1456     TRACE("(%p, %s)\n", grad, debugstr_pointf(point));
1457
1458     if(!grad || !point)
1459         return InvalidParameter;
1460
1461     grad->center.X = point->X;
1462     grad->center.Y = point->Y;
1463
1464     return Ok;
1465 }
1466
1467 GpStatus WINGDIPAPI GdipSetPathGradientCenterPointI(GpPathGradient *grad,
1468     GpPoint *point)
1469 {
1470     GpPointF ptf;
1471
1472     TRACE("(%p, %p)\n", grad, point);
1473
1474     if(!point)
1475         return InvalidParameter;
1476
1477     ptf.X = (REAL)point->X;
1478     ptf.Y = (REAL)point->Y;
1479
1480     return GdipSetPathGradientCenterPoint(grad,&ptf);
1481 }
1482
1483 GpStatus WINGDIPAPI GdipSetPathGradientFocusScales(GpPathGradient *grad,
1484     REAL x, REAL y)
1485 {
1486     TRACE("(%p, %.2f, %.2f)\n", grad, x, y);
1487
1488     if(!grad)
1489         return InvalidParameter;
1490
1491     grad->focus.X = x;
1492     grad->focus.Y = y;
1493
1494     return Ok;
1495 }
1496
1497 GpStatus WINGDIPAPI GdipSetPathGradientGammaCorrection(GpPathGradient *grad,
1498     BOOL gamma)
1499 {
1500     TRACE("(%p, %d)\n", grad, gamma);
1501
1502     if(!grad)
1503         return InvalidParameter;
1504
1505     grad->gamma = gamma;
1506
1507     return Ok;
1508 }
1509
1510 GpStatus WINGDIPAPI GdipSetPathGradientSigmaBlend(GpPathGradient *grad,
1511     REAL focus, REAL scale)
1512 {
1513     static int calls;
1514
1515     TRACE("(%p,%0.2f,%0.2f)\n", grad, focus, scale);
1516
1517     if(!grad || focus < 0.0 || focus > 1.0 || scale < 0.0 || scale > 1.0)
1518         return InvalidParameter;
1519
1520     if(!(calls++))
1521         FIXME("not implemented\n");
1522
1523     return NotImplemented;
1524 }
1525
1526 GpStatus WINGDIPAPI GdipSetPathGradientSurroundColorsWithCount(GpPathGradient
1527     *grad, GDIPCONST ARGB *argb, INT *count)
1528 {
1529     static int calls;
1530
1531     TRACE("(%p,%p,%p)\n", grad, argb, count);
1532
1533     if(!grad || !argb || !count || (*count <= 0) ||
1534         (*count > grad->pathdata.Count))
1535         return InvalidParameter;
1536
1537     if(!(calls++))
1538         FIXME("not implemented\n");
1539
1540     return NotImplemented;
1541 }
1542
1543 GpStatus WINGDIPAPI GdipSetPathGradientWrapMode(GpPathGradient *grad,
1544     GpWrapMode wrap)
1545 {
1546     TRACE("(%p, %d)\n", grad, wrap);
1547
1548     if(!grad)
1549         return InvalidParameter;
1550
1551     grad->wrap = wrap;
1552
1553     return Ok;
1554 }
1555
1556 GpStatus WINGDIPAPI GdipSetPathGradientTransform(GpPathGradient *grad,
1557     GpMatrix *matrix)
1558 {
1559     static int calls;
1560
1561     TRACE("(%p,%p)\n", grad, matrix);
1562
1563     if(!(calls++))
1564         FIXME("not implemented\n");
1565
1566     return NotImplemented;
1567 }
1568
1569 GpStatus WINGDIPAPI GdipGetPathGradientTransform(GpPathGradient *grad,
1570     GpMatrix *matrix)
1571 {
1572     static int calls;
1573
1574     TRACE("(%p,%p)\n", grad, matrix);
1575
1576     if(!(calls++))
1577         FIXME("not implemented\n");
1578
1579     return NotImplemented;
1580 }
1581
1582 GpStatus WINGDIPAPI GdipMultiplyPathGradientTransform(GpPathGradient *grad,
1583     GDIPCONST GpMatrix *matrix, GpMatrixOrder order)
1584 {
1585     static int calls;
1586
1587     TRACE("(%p,%p,%i)\n", grad, matrix, order);
1588
1589     if(!(calls++))
1590         FIXME("not implemented\n");
1591
1592     return NotImplemented;
1593 }
1594
1595 GpStatus WINGDIPAPI GdipRotatePathGradientTransform(GpPathGradient *grad,
1596     REAL angle, GpMatrixOrder order)
1597 {
1598     static int calls;
1599
1600     TRACE("(%p,%0.2f,%i)\n", grad, angle, order);
1601
1602     if(!(calls++))
1603         FIXME("not implemented\n");
1604
1605     return NotImplemented;
1606 }
1607
1608 GpStatus WINGDIPAPI GdipScalePathGradientTransform(GpPathGradient *grad,
1609     REAL sx, REAL sy, GpMatrixOrder order)
1610 {
1611     static int calls;
1612
1613     TRACE("(%p,%0.2f,%0.2f,%i)\n", grad, sx, sy, order);
1614
1615     if(!(calls++))
1616         FIXME("not implemented\n");
1617
1618     return NotImplemented;
1619 }
1620
1621 GpStatus WINGDIPAPI GdipTranslatePathGradientTransform(GpPathGradient *grad,
1622     REAL dx, REAL dy, GpMatrixOrder order)
1623 {
1624     static int calls;
1625
1626     TRACE("(%p,%0.2f,%0.2f,%i)\n", grad, dx, dy, order);
1627
1628     if(!(calls++))
1629         FIXME("not implemented\n");
1630
1631     return NotImplemented;
1632 }
1633
1634 GpStatus WINGDIPAPI GdipSetSolidFillColor(GpSolidFill *sf, ARGB argb)
1635 {
1636     TRACE("(%p, %x)\n", sf, argb);
1637
1638     if(!sf)
1639         return InvalidParameter;
1640
1641     sf->color = argb;
1642     return Ok;
1643 }
1644
1645 /******************************************************************************
1646  * GdipSetTextureTransform [GDIPLUS.@]
1647  */
1648 GpStatus WINGDIPAPI GdipSetTextureTransform(GpTexture *texture,
1649     GDIPCONST GpMatrix *matrix)
1650 {
1651     TRACE("(%p, %p)\n", texture, matrix);
1652
1653     if(!texture || !matrix)
1654         return InvalidParameter;
1655
1656     memcpy(texture->transform, matrix, sizeof(GpMatrix));
1657
1658     return Ok;
1659 }
1660
1661 /******************************************************************************
1662  * GdipSetTextureWrapMode [GDIPLUS.@]
1663  *
1664  * WrapMode not used, only stored
1665  */
1666 GpStatus WINGDIPAPI GdipSetTextureWrapMode(GpTexture *brush, GpWrapMode wrapmode)
1667 {
1668     TRACE("(%p, %d)\n", brush, wrapmode);
1669
1670     if(!brush)
1671         return InvalidParameter;
1672
1673     brush->imageattributes->wrap = wrapmode;
1674
1675     return Ok;
1676 }
1677
1678 GpStatus WINGDIPAPI GdipSetLineColors(GpLineGradient *brush, ARGB color1,
1679     ARGB color2)
1680 {
1681     TRACE("(%p, %x, %x)\n", brush, color1, color2);
1682
1683     if(!brush)
1684         return InvalidParameter;
1685
1686     brush->startcolor = color1;
1687     brush->endcolor   = color2;
1688
1689     return Ok;
1690 }
1691
1692 GpStatus WINGDIPAPI GdipGetLineColors(GpLineGradient *brush, ARGB *colors)
1693 {
1694     TRACE("(%p, %p)\n", brush, colors);
1695
1696     if(!brush || !colors)
1697         return InvalidParameter;
1698
1699     colors[0] = brush->startcolor;
1700     colors[1] = brush->endcolor;
1701
1702     return Ok;
1703 }
1704
1705 /******************************************************************************
1706  * GdipRotateTextureTransform [GDIPLUS.@]
1707  */
1708 GpStatus WINGDIPAPI GdipRotateTextureTransform(GpTexture* brush, REAL angle,
1709     GpMatrixOrder order)
1710 {
1711     TRACE("(%p, %.2f, %d)\n", brush, angle, order);
1712
1713     if(!brush)
1714         return InvalidParameter;
1715
1716     return GdipRotateMatrix(brush->transform, angle, order);
1717 }
1718
1719 GpStatus WINGDIPAPI GdipSetLineLinearBlend(GpLineGradient *brush, REAL focus,
1720     REAL scale)
1721 {
1722     REAL factors[3];
1723     REAL positions[3];
1724     int num_points = 0;
1725
1726     TRACE("(%p,%.2f,%.2f)\n", brush, focus, scale);
1727
1728     if (!brush) return InvalidParameter;
1729
1730     if (focus != 0.0)
1731     {
1732         factors[num_points] = 0.0;
1733         positions[num_points] = 0.0;
1734         num_points++;
1735     }
1736
1737     factors[num_points] = scale;
1738     positions[num_points] = focus;
1739     num_points++;
1740
1741     if (focus != 1.0)
1742     {
1743         factors[num_points] = 0.0;
1744         positions[num_points] = 1.0;
1745         num_points++;
1746     }
1747
1748     return GdipSetLineBlend(brush, factors, positions, num_points);
1749 }
1750
1751 GpStatus WINGDIPAPI GdipSetLinePresetBlend(GpLineGradient *brush,
1752     GDIPCONST ARGB *blend, GDIPCONST REAL* positions, INT count)
1753 {
1754     ARGB *new_color;
1755     REAL *new_pos;
1756     TRACE("(%p,%p,%p,%i)\n", brush, blend, positions, count);
1757
1758     if (!brush || !blend || !positions || count < 2 ||
1759         positions[0] != 0.0f || positions[count-1] != 1.0f)
1760     {
1761         return InvalidParameter;
1762     }
1763
1764     new_color = GdipAlloc(count * sizeof(ARGB));
1765     new_pos = GdipAlloc(count * sizeof(REAL));
1766     if (!new_color || !new_pos)
1767     {
1768         GdipFree(new_color);
1769         GdipFree(new_pos);
1770         return OutOfMemory;
1771     }
1772
1773     memcpy(new_color, blend, sizeof(ARGB) * count);
1774     memcpy(new_pos, positions, sizeof(REAL) * count);
1775
1776     GdipFree(brush->pblendcolor);
1777     GdipFree(brush->pblendpos);
1778
1779     brush->pblendcolor = new_color;
1780     brush->pblendpos = new_pos;
1781     brush->pblendcount = count;
1782
1783     return Ok;
1784 }
1785
1786 GpStatus WINGDIPAPI GdipGetLinePresetBlend(GpLineGradient *brush,
1787     ARGB *blend, REAL* positions, INT count)
1788 {
1789     if (!brush || !blend || !positions || count < 2)
1790         return InvalidParameter;
1791
1792     if (brush->pblendcount == 0)
1793         return GenericError;
1794
1795     if (count < brush->pblendcount)
1796         return InsufficientBuffer;
1797
1798     memcpy(blend, brush->pblendcolor, sizeof(ARGB) * brush->pblendcount);
1799     memcpy(positions, brush->pblendpos, sizeof(REAL) * brush->pblendcount);
1800
1801     return Ok;
1802 }
1803
1804 GpStatus WINGDIPAPI GdipGetLinePresetBlendCount(GpLineGradient *brush,
1805     INT *count)
1806 {
1807     if (!brush || !count)
1808         return InvalidParameter;
1809
1810     *count = brush->pblendcount;
1811
1812     return Ok;
1813 }
1814
1815 GpStatus WINGDIPAPI GdipResetLineTransform(GpLineGradient *brush)
1816 {
1817     static int calls;
1818
1819     TRACE("(%p)\n", brush);
1820
1821     if(!(calls++))
1822         FIXME("not implemented\n");
1823
1824     return NotImplemented;
1825 }
1826
1827 GpStatus WINGDIPAPI GdipSetLineTransform(GpLineGradient *brush,
1828     GDIPCONST GpMatrix *matrix)
1829 {
1830     static int calls;
1831
1832     TRACE("(%p,%p)\n", brush,  matrix);
1833
1834     if(!(calls++))
1835         FIXME("not implemented\n");
1836
1837     return NotImplemented;
1838 }
1839
1840 GpStatus WINGDIPAPI GdipGetLineTransform(GpLineGradient *brush, GpMatrix *matrix)
1841 {
1842     static int calls;
1843
1844     TRACE("(%p,%p)\n", brush, matrix);
1845
1846     if(!(calls++))
1847         FIXME("not implemented\n");
1848
1849     return NotImplemented;
1850 }
1851
1852 GpStatus WINGDIPAPI GdipScaleLineTransform(GpLineGradient *brush, REAL sx, REAL sy,
1853     GpMatrixOrder order)
1854 {
1855     static int calls;
1856
1857     TRACE("(%p,%0.2f,%0.2f,%u)\n", brush, sx, sy, order);
1858
1859     if(!(calls++))
1860         FIXME("not implemented\n");
1861
1862     return NotImplemented;
1863 }
1864
1865 GpStatus WINGDIPAPI GdipMultiplyLineTransform(GpLineGradient *brush,
1866     GDIPCONST GpMatrix *matrix, GpMatrixOrder order)
1867 {
1868     static int calls;
1869
1870     TRACE("(%p,%p,%u)\n", brush, matrix, order);
1871
1872     if(!(calls++))
1873         FIXME("not implemented\n");
1874
1875     return NotImplemented;
1876 }
1877
1878 GpStatus WINGDIPAPI GdipTranslateLineTransform(GpLineGradient* brush,
1879         REAL dx, REAL dy, GpMatrixOrder order)
1880 {
1881     static int calls;
1882
1883     TRACE("(%p,%f,%f,%d)\n", brush, dx, dy, order);
1884
1885     if(!(calls++))
1886         FIXME("not implemented\n");
1887
1888     return Ok;
1889 }
1890
1891 /******************************************************************************
1892  * GdipTranslateTextureTransform [GDIPLUS.@]
1893  */
1894 GpStatus WINGDIPAPI GdipTranslateTextureTransform(GpTexture* brush, REAL dx, REAL dy,
1895     GpMatrixOrder order)
1896 {
1897     TRACE("(%p, %.2f, %.2f, %d)\n", brush, dx, dy, order);
1898
1899     if(!brush)
1900         return InvalidParameter;
1901
1902     return GdipTranslateMatrix(brush->transform, dx, dy, order);
1903 }
1904
1905 GpStatus WINGDIPAPI GdipGetLineRect(GpLineGradient *brush, GpRectF *rect)
1906 {
1907     TRACE("(%p, %p)\n", brush, rect);
1908
1909     if(!brush || !rect)
1910         return InvalidParameter;
1911
1912     *rect = brush->rect;
1913
1914     return Ok;
1915 }
1916
1917 GpStatus WINGDIPAPI GdipGetLineRectI(GpLineGradient *brush, GpRect *rect)
1918 {
1919     GpRectF  rectF;
1920     GpStatus ret;
1921
1922     TRACE("(%p, %p)\n", brush, rect);
1923
1924     if(!rect)
1925         return InvalidParameter;
1926
1927     ret = GdipGetLineRect(brush, &rectF);
1928
1929     if(ret == Ok){
1930         rect->X      = roundr(rectF.X);
1931         rect->Y      = roundr(rectF.Y);
1932         rect->Width  = roundr(rectF.Width);
1933         rect->Height = roundr(rectF.Height);
1934     }
1935
1936     return ret;
1937 }
1938
1939 GpStatus WINGDIPAPI GdipRotateLineTransform(GpLineGradient* brush,
1940     REAL angle, GpMatrixOrder order)
1941 {
1942     static int calls;
1943
1944     TRACE("(%p,%0.2f,%u)\n", brush, angle, order);
1945
1946     if(!brush)
1947         return InvalidParameter;
1948
1949     if(!(calls++))
1950         FIXME("(%p, %.2f, %d) stub\n", brush, angle, order);
1951
1952     return NotImplemented;
1953 }