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             GpSolidFill *fill;
  51             *clone = GdipAlloc(sizeof(GpSolidFill));
  52             if (!*clone) return OutOfMemory;
  53
  54             fill = (GpSolidFill*)*clone;
  55
  56             memcpy(*clone, brush, sizeof(GpSolidFill));
  57
  58             (*clone)->gdibrush = CreateBrushIndirect(&(*clone)->lb);
  59             fill->bmp = ARGB2BMP(fill->color);
  60             break;
  61         }
  62         case BrushTypeHatchFill:
  63         {
  64             GpHatch *hatch = (GpHatch*)brush;
  65
  66             return GdipCreateHatchBrush(hatch->hatchstyle, hatch->forecol, hatch->backcol, (GpHatch**)clone);
  67         }
  68         case BrushTypePathGradient:{
  69             GpPathGradient *src, *dest;
  70             INT count;
  71
  72             *clone = GdipAlloc(sizeof(GpPathGradient));
  73             if (!*clone) return OutOfMemory;
  74
  75             src = (GpPathGradient*) brush,
  76             dest = (GpPathGradient*) *clone;
  77             count = src->pathdata.Count;
  78
  79             memcpy(dest, src, sizeof(GpPathGradient));
  80
  81             dest->pathdata.Count = count;
  82             dest->pathdata.Points = GdipAlloc(count * sizeof(PointF));
  83             dest->pathdata.Types = GdipAlloc(count);
  84
  85             if(!dest->pathdata.Points || !dest->pathdata.Types){
  86                 GdipFree(dest->pathdata.Points);
  87                 GdipFree(dest->pathdata.Types);
  88                 GdipFree(dest);
  89                 return OutOfMemory;
  90             }
  91
  92             memcpy(dest->pathdata.Points, src->pathdata.Points, count * sizeof(PointF));
  93             memcpy(dest->pathdata.Types, src->pathdata.Types, count);
  94
  95             /* blending */
  96             count = src->blendcount;
  97             dest->blendcount = count;
  98             dest->blendfac = GdipAlloc(count * sizeof(REAL));
  99             dest->blendpos = GdipAlloc(count * sizeof(REAL));
 100
 101             if(!dest->blendfac || !dest->blendpos){
 102                 GdipFree(dest->pathdata.Points);
 103                 GdipFree(dest->pathdata.Types);
 104                 GdipFree(dest->blendfac);
 105                 GdipFree(dest->blendpos);
 106                 GdipFree(dest);
 107                 return OutOfMemory;
 108             }
 109
 110             memcpy(dest->blendfac, src->blendfac, count * sizeof(REAL));
 111             memcpy(dest->blendpos, src->blendpos, count * sizeof(REAL));
 112
 113             break;
 114         }
 115         case BrushTypeLinearGradient:{
 116             GpLineGradient *dest, *src;
 117             INT count, pcount;
 118
 119             dest = GdipAlloc(sizeof(GpLineGradient));
 120             if(!dest)    return OutOfMemory;
 121
 122             src = (GpLineGradient*)brush;
 123
 124             memcpy(dest, src, sizeof(GpLineGradient));
 125
 126             dest->brush.gdibrush = CreateSolidBrush(dest->brush.lb.lbColor);
 127
 128             count = dest->blendcount;
 129             dest->blendfac = GdipAlloc(count * sizeof(REAL));
 130             dest->blendpos = GdipAlloc(count * sizeof(REAL));
 131             pcount = dest->pblendcount;
 132             if (pcount)
 133             {
 134                 dest->pblendcolor = GdipAlloc(pcount * sizeof(ARGB));
 135                 dest->pblendpos = GdipAlloc(pcount * sizeof(REAL));
 136             }
 137
 138             if (!dest->blendfac || !dest->blendpos ||
 139                 (pcount && (!dest->pblendcolor || !dest->pblendpos)))
 140             {
 141                 GdipFree(dest->blendfac);
 142                 GdipFree(dest->blendpos);
 143                 GdipFree(dest->pblendcolor);
 144                 GdipFree(dest->pblendpos);
 145                 DeleteObject(dest->brush.gdibrush);
 146                 GdipFree(dest);
 147                 return OutOfMemory;
 148             }
 149
 150             memcpy(dest->blendfac, src->blendfac, count * sizeof(REAL));
 151             memcpy(dest->blendpos, src->blendpos, count * sizeof(REAL));
 152
 153             if (pcount)
 154             {
 155                 memcpy(dest->pblendcolor, src->pblendcolor, pcount * sizeof(ARGB));
 156                 memcpy(dest->pblendpos, src->pblendpos, pcount * sizeof(REAL));
 157             }
 158
 159             *clone = &dest->brush;
 160             break;
 161         }
 162         case BrushTypeTextureFill:
 163         {
 164             GpStatus stat;
 165             GpTexture *texture = (GpTexture*)brush;
 166             GpTexture *new_texture;
 167
 168             stat = GdipCreateTexture(texture->image, texture->wrap, &new_texture);
 169
 170             if (stat == Ok)
 171             {
 172                 memcpy(new_texture->transform, texture->transform, sizeof(GpMatrix));
 173                 *clone = (GpBrush*)new_texture;
 174             }
 175             else
 176                 *clone = NULL;
 177
 178             return stat;
 179         }
 180         default:
 181             ERR("not implemented for brush type %d\n", brush->bt);
 182             return NotImplemented;
 183     }
 184
 185     TRACE("<-- %p\n", *clone);
 186     return Ok;
 187 }
 188
 189 static const char HatchBrushes[][8] = {
 190     { 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00 }, /* HatchStyleHorizontal */
 191     { 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 }, /* HatchStyleVertical */
 192     { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }, /* HatchStyleForwardDiagonal */
 193     { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }, /* HatchStyleBackwardDiagonal */
 194     { 0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08, 0x08 }, /* HatchStyleCross */
 195     { 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81 }, /* HatchStyleDiagonalCross */
 196     { 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x80 }, /* HatchStyle05Percent */
 197     { 0x00, 0x02, 0x00, 0x88, 0x00, 0x20, 0x00, 0x88 }, /* HatchStyle10Percent */
 198     { 0x00, 0x22, 0x00, 0xcc, 0x00, 0x22, 0x00, 0xcc }, /* HatchStyle20Percent */
 199     { 0x00, 0xcc, 0x00, 0xcc, 0x00, 0xcc, 0x00, 0xcc }, /* HatchStyle25Percent */
 200     { 0x00, 0xcc, 0x04, 0xcc, 0x00, 0xcc, 0x40, 0xcc }, /* HatchStyle30Percent */
 201     { 0x44, 0xcc, 0x22, 0xcc, 0x44, 0xcc, 0x22, 0xcc }, /* HatchStyle40Percent */
 202     { 0x55, 0xcc, 0x55, 0xcc, 0x55, 0xcc, 0x55, 0xcc }, /* HatchStyle50Percent */
 203     { 0x55, 0xcd, 0x55, 0xee, 0x55, 0xdc, 0x55, 0xee }, /* HatchStyle60Percent */
 204     { 0x55, 0xdd, 0x55, 0xff, 0x55, 0xdd, 0x55, 0xff }, /* HatchStyle70Percent */
 205     { 0x55, 0xff, 0x55, 0xff, 0x55, 0xff, 0x55, 0xff }, /* HatchStyle75Percent */
 206     { 0x55, 0xff, 0x59, 0xff, 0x55, 0xff, 0x99, 0xff }, /* HatchStyle80Percent */
 207     { 0x77, 0xff, 0xdd, 0xff, 0x77, 0xff, 0xfd, 0xff }, /* HatchStyle90Percent */
 208     { 0x11, 0x22, 0x44, 0x88, 0x11, 0x22, 0x44, 0x88 }, /* HatchStyleLightDownwardDiagonal */
 209     { 0x88, 0x44, 0x22, 0x11, 0x88, 0x44, 0x22, 0x11 }, /* HatchStyleLightUpwardDiagonal */
 210     { 0x99, 0x33, 0x66, 0xcc, 0x99, 0x33, 0x66, 0xcc }, /* HatchStyleDarkDownwardDiagonal */
 211     { 0xcc, 0x66, 0x33, 0x99, 0xcc, 0x66, 0x33, 0x99 }, /* HatchStyleDarkUpwardDiagonal */
 212     { 0xc1, 0x83, 0x07, 0x0e, 0x1c, 0x38, 0x70, 0xe0 }, /* HatchStyleWideDownwardDiagonal */
 213     { 0xe0, 0x70, 0x38, 0x1c, 0x0e, 0x07, 0x83, 0xc1 }, /* HatchStyleWideUpwardDiagonal */
 214     { 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88 }, /* HatchStyleLightVertical */
 215     { 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff }, /* HatchStyleLightHorizontal */
 216     { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa }, /* HatchStyleNarrowVertical */
 217     { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff }, /* HatchStyleNarrowHorizontal */
 218     { 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc }, /* HatchStyleDarkVertical */
 219     { 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff }, /* HatchStyleDarkHorizontal */
 220 };
 221
 222 /******************************************************************************
 223  * GdipCreateHatchBrush [GDIPLUS.@]
 224  */
 225 GpStatus WINGDIPAPI GdipCreateHatchBrush(HatchStyle hatchstyle, ARGB forecol, ARGB backcol, GpHatch **brush)
 226 {
 227     COLORREF fgcol = ARGB2COLORREF(forecol);
 228     GpStatus stat = Ok;
 229
 230     TRACE("(%d, %d, %d, %p)\n", hatchstyle, forecol, backcol, brush);
 231
 232     if(!brush)  return InvalidParameter;
 233
 234     *brush = GdipAlloc(sizeof(GpHatch));
 235     if (!*brush) return OutOfMemory;
 236
 237     if (hatchstyle < sizeof(HatchBrushes) / sizeof(HatchBrushes[0]))
 238     {
 239         HBITMAP hbmp;
 240         HDC hdc;
 241         BITMAPINFOHEADER bmih;
 242         DWORD* bits;
 243         int x, y;
 244
 245         hdc = CreateCompatibleDC(0);
 246
 247         if (hdc)
 248         {
 249             bmih.biSize = sizeof(bmih);
 250             bmih.biWidth = 8;
 251             bmih.biHeight = 8;
 252             bmih.biPlanes = 1;
 253             bmih.biBitCount = 32;
 254             bmih.biCompression = BI_RGB;
 255             bmih.biSizeImage = 0;
 256
 257             hbmp = CreateDIBSection(hdc, (BITMAPINFO*)&bmih, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
 258
 259             if (hbmp)
 260             {
 261                 for (y=0; y<8; y++)
 262                     for (x=0; x<8; x++)
 263                         if ((HatchBrushes[hatchstyle][y] & (0x80 >> x)) != 0)
 264                             bits[y*8+x] = forecol;
 265                         else
 266                             bits[y*8+x] = backcol;
 267             }
 268             else
 269                 stat = GenericError;
 270
 271             DeleteDC(hdc);
 272         }
 273         else
 274             stat = GenericError;
 275
 276         if (stat == Ok)
 277         {
 278             (*brush)->brush.lb.lbStyle = BS_PATTERN;
 279             (*brush)->brush.lb.lbColor = 0;
 280             (*brush)->brush.lb.lbHatch = (ULONG_PTR)hbmp;
 281             (*brush)->brush.gdibrush = CreateBrushIndirect(&(*brush)->brush.lb);
 282
 283             DeleteObject(hbmp);
 284         }
 285     }
 286     else
 287     {
 288         FIXME("Unimplemented hatch style %d\n", hatchstyle);
 289
 290         (*brush)->brush.lb.lbStyle = BS_SOLID;
 291         (*brush)->brush.lb.lbColor = fgcol;
 292         (*brush)->brush.lb.lbHatch = 0;
 293         (*brush)->brush.gdibrush = CreateBrushIndirect(&(*brush)->brush.lb);
 294     }
 295
 296     if (stat == Ok)
 297     {
 298         (*brush)->brush.bt = BrushTypeHatchFill;
 299         (*brush)->forecol = forecol;
 300         (*brush)->backcol = backcol;
 301         (*brush)->hatchstyle = hatchstyle;
 302         TRACE("<-- %p\n", *brush);
 303     }
 304     else
 305     {
 306         GdipFree(*brush);
 307         *brush = NULL;
 308     }
 309
 310     return stat;
 311 }
 312
 313 /******************************************************************************
 314  * GdipCreateLineBrush [GDIPLUS.@]
 315  */
 316 GpStatus WINGDIPAPI GdipCreateLineBrush(GDIPCONST GpPointF* startpoint,
 317     GDIPCONST GpPointF* endpoint, ARGB startcolor, ARGB endcolor,
 318     GpWrapMode wrap, GpLineGradient **line)
 319 {
 320     COLORREF col = ARGB2COLORREF(startcolor);
 321
 322     TRACE("(%s, %s, %x, %x, %d, %p)\n", debugstr_pointf(startpoint),
 323           debugstr_pointf(endpoint), startcolor, endcolor, wrap, line);
 324
 325     if(!line || !startpoint || !endpoint || wrap == WrapModeClamp)
 326         return InvalidParameter;
 327
 328     *line = GdipAlloc(sizeof(GpLineGradient));
 329     if(!*line)  return OutOfMemory;
 330
 331     (*line)->brush.lb.lbStyle = BS_SOLID;
 332     (*line)->brush.lb.lbColor = col;
 333     (*line)->brush.lb.lbHatch = 0;
 334     (*line)->brush.gdibrush = CreateSolidBrush(col);
 335     (*line)->brush.bt = BrushTypeLinearGradient;
 336
 337     (*line)->startpoint.X = startpoint->X;
 338     (*line)->startpoint.Y = startpoint->Y;
 339     (*line)->endpoint.X = endpoint->X;
 340     (*line)->endpoint.Y = endpoint->Y;
 341     (*line)->startcolor = startcolor;
 342     (*line)->endcolor = endcolor;
 343     (*line)->wrap = wrap;
 344     (*line)->gamma = FALSE;
 345
 346     (*line)->rect.X = (startpoint->X < endpoint->X ? startpoint->X: endpoint->X);
 347     (*line)->rect.Y = (startpoint->Y < endpoint->Y ? startpoint->Y: endpoint->Y);
 348     (*line)->rect.Width  = fabs(startpoint->X - endpoint->X);
 349     (*line)->rect.Height = fabs(startpoint->Y - endpoint->Y);
 350
 351     if ((*line)->rect.Width == 0)
 352     {
 353         (*line)->rect.X -= (*line)->rect.Height / 2.0f;
 354         (*line)->rect.Width = (*line)->rect.Height;
 355     }
 356     else if ((*line)->rect.Height == 0)
 357     {
 358         (*line)->rect.Y -= (*line)->rect.Width / 2.0f;
 359         (*line)->rect.Height = (*line)->rect.Width;
 360     }
 361
 362     (*line)->blendcount = 1;
 363     (*line)->blendfac = GdipAlloc(sizeof(REAL));
 364     (*line)->blendpos = GdipAlloc(sizeof(REAL));
 365
 366     if (!(*line)->blendfac || !(*line)->blendpos)
 367     {
 368         GdipFree((*line)->blendfac);
 369         GdipFree((*line)->blendpos);
 370         DeleteObject((*line)->brush.gdibrush);
 371         GdipFree(*line);
 372         *line = NULL;
 373         return OutOfMemory;
 374     }
 375
 376     (*line)->blendfac[0] = 1.0f;
 377     (*line)->blendpos[0] = 1.0f;
 378
 379     (*line)->pblendcolor = NULL;
 380     (*line)->pblendpos = NULL;
 381     (*line)->pblendcount = 0;
 382
 383     TRACE("<-- %p\n", *line);
 384
 385     return Ok;
 386 }
 387
 388 GpStatus WINGDIPAPI GdipCreateLineBrushI(GDIPCONST GpPoint* startpoint,
 389     GDIPCONST GpPoint* endpoint, ARGB startcolor, ARGB endcolor,
 390     GpWrapMode wrap, GpLineGradient **line)
 391 {
 392     GpPointF stF;
 393     GpPointF endF;
 394
 395     TRACE("(%p, %p, %x, %x, %d, %p)\n", startpoint, endpoint,
 396           startcolor, endcolor, wrap, line);
 397
 398     if(!startpoint || !endpoint)
 399         return InvalidParameter;
 400
 401     stF.X  = (REAL)startpoint->X;
 402     stF.Y  = (REAL)startpoint->Y;
 403     endF.X = (REAL)endpoint->X;
 404     endF.X = (REAL)endpoint->Y;
 405
 406     return GdipCreateLineBrush(&stF, &endF, startcolor, endcolor, wrap, line);
 407 }
 408
 409 GpStatus WINGDIPAPI GdipCreateLineBrushFromRect(GDIPCONST GpRectF* rect,
 410     ARGB startcolor, ARGB endcolor, LinearGradientMode mode, GpWrapMode wrap,
 411     GpLineGradient **line)
 412 {
 413     GpPointF start, end;
 414     GpStatus stat;
 415
 416     TRACE("(%p, %x, %x, %d, %d, %p)\n", rect, startcolor, endcolor, mode,
 417           wrap, line);
 418
 419     if(!line || !rect)
 420         return InvalidParameter;
 421
 422     switch (mode)
 423     {
 424     case LinearGradientModeHorizontal:
 425         start.X = rect->X;
 426         start.Y = rect->Y;
 427         end.X = rect->X + rect->Width;
 428         end.Y = rect->Y;
 429         break;
 430     case LinearGradientModeVertical:
 431         start.X = rect->X;
 432         start.Y = rect->Y;
 433         end.X = rect->X;
 434         end.Y = rect->Y + rect->Height;
 435         break;
 436     case LinearGradientModeForwardDiagonal:
 437         start.X = rect->X;
 438         start.Y = rect->Y;
 439         end.X = rect->X + rect->Width;
 440         end.Y = rect->Y + rect->Height;
 441         break;
 442     case LinearGradientModeBackwardDiagonal:
 443         start.X = rect->X + rect->Width;
 444         start.Y = rect->Y;
 445         end.X = rect->X;
 446         end.Y = rect->Y + rect->Height;
 447         break;
 448     default:
 449         return InvalidParameter;
 450     }
 451
 452     stat = GdipCreateLineBrush(&start, &end, startcolor, endcolor, wrap, line);
 453
 454     if (stat == Ok)
 455         (*line)->rect = *rect;
 456
 457     return stat;
 458 }
 459
 460 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectI(GDIPCONST GpRect* rect,
 461     ARGB startcolor, ARGB endcolor, LinearGradientMode mode, GpWrapMode wrap,
 462     GpLineGradient **line)
 463 {
 464     GpRectF rectF;
 465
 466     TRACE("(%p, %x, %x, %d, %d, %p)\n", rect, startcolor, endcolor, mode,
 467           wrap, line);
 468
 469     rectF.X      = (REAL) rect->X;
 470     rectF.Y      = (REAL) rect->Y;
 471     rectF.Width  = (REAL) rect->Width;
 472     rectF.Height = (REAL) rect->Height;
 473
 474     return GdipCreateLineBrushFromRect(&rectF, startcolor, endcolor, mode, wrap, line);
 475 }
 476
 477 /******************************************************************************
 478  * GdipCreateLineBrushFromRectWithAngle [GDIPLUS.@]
 479  */
 480 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectWithAngle(GDIPCONST GpRectF* rect,
 481     ARGB startcolor, ARGB endcolor, REAL angle, BOOL isAngleScalable, GpWrapMode wrap,
 482     GpLineGradient **line)
 483 {
 484     GpStatus stat;
 485     LinearGradientMode mode;
 486     REAL width, height, exofs, eyofs;
 487     REAL sin_angle, cos_angle, sin_cos_angle;
 488
 489     TRACE("(%p, %x, %x, %.2f, %d, %d, %p)\n", rect, startcolor, endcolor, angle, isAngleScalable,
 490           wrap, line);
 491
 492     sin_angle = sinf(deg2rad(angle));
 493     cos_angle = cosf(deg2rad(angle));
 494     sin_cos_angle = sin_angle * cos_angle;
 495
 496     if (isAngleScalable)
 497     {
 498         width = height = 1.0;
 499     }
 500     else
 501     {
 502         width = rect->Width;
 503         height = rect->Height;
 504     }
 505
 506     if (sin_cos_angle >= 0)
 507         mode = LinearGradientModeForwardDiagonal;
 508     else
 509         mode = LinearGradientModeBackwardDiagonal;
 510
 511     stat = GdipCreateLineBrushFromRect(rect, startcolor, endcolor, mode, wrap, line);
 512
 513     if (stat == Ok)
 514     {
 515         if (sin_cos_angle >= 0)
 516         {
 517             exofs = width * sin_cos_angle + height * cos_angle * cos_angle;
 518             eyofs = width * sin_angle * sin_angle + height * sin_cos_angle;
 519         }
 520         else
 521         {
 522             exofs = width * sin_angle * sin_angle + height * sin_cos_angle;
 523             eyofs = -width * sin_cos_angle + height * sin_angle * sin_angle;
 524         }
 525
 526         if (isAngleScalable)
 527         {
 528             exofs = exofs * rect->Width;
 529             eyofs = eyofs * rect->Height;
 530         }
 531
 532         if (sin_angle >= 0)
 533         {
 534             (*line)->endpoint.X = rect->X + exofs;
 535             (*line)->endpoint.Y = rect->Y + eyofs;
 536         }
 537         else
 538         {
 539             (*line)->endpoint.X = (*line)->startpoint.X;
 540             (*line)->endpoint.Y = (*line)->startpoint.Y;
 541             (*line)->startpoint.X = rect->X + exofs;
 542             (*line)->startpoint.Y = rect->Y + eyofs;
 543         }
 544     }
 545
 546     return stat;
 547 }
 548
 549 GpStatus WINGDIPAPI GdipCreateLineBrushFromRectWithAngleI(GDIPCONST GpRect* rect,
 550     ARGB startcolor, ARGB endcolor, REAL angle, BOOL isAngleScalable, GpWrapMode wrap,
 551     GpLineGradient **line)
 552 {
 553     TRACE("(%p, %x, %x, %.2f, %d, %d, %p)\n", rect, startcolor, endcolor, angle, isAngleScalable,
 554           wrap, line);
 555
 556     return GdipCreateLineBrushFromRectI(rect, startcolor, endcolor, LinearGradientModeForwardDiagonal,
 557                                         wrap, line);
 558 }
 559
 560 GpStatus WINGDIPAPI GdipCreatePathGradient(GDIPCONST GpPointF* points,
 561     INT count, GpWrapMode wrap, GpPathGradient **grad)
 562 {
 563     COLORREF col = ARGB2COLORREF(0xffffffff);
 564
 565     TRACE("(%p, %d, %d, %p)\n", points, count, wrap, grad);
 566
 567     if(!points || !grad)
 568         return InvalidParameter;
 569
 570     if(count <= 0)
 571         return OutOfMemory;
 572
 573     *grad = GdipAlloc(sizeof(GpPathGradient));
 574     if (!*grad) return OutOfMemory;
 575
 576     (*grad)->blendfac = GdipAlloc(sizeof(REAL));
 577     if(!(*grad)->blendfac){
 578         GdipFree(*grad);
 579         return OutOfMemory;
 580     }
 581     (*grad)->blendfac[0] = 1.0;
 582     (*grad)->blendpos    = NULL;
 583     (*grad)->blendcount  = 1;
 584
 585     (*grad)->pathdata.Count = count;
 586     (*grad)->pathdata.Points = GdipAlloc(count * sizeof(PointF));
 587     (*grad)->pathdata.Types = GdipAlloc(count);
 588
 589     if(!(*grad)->pathdata.Points || !(*grad)->pathdata.Types){
 590         GdipFree((*grad)->pathdata.Points);
 591         GdipFree((*grad)->pathdata.Types);
 592         GdipFree(*grad);
 593         return OutOfMemory;
 594     }
 595
 596     memcpy((*grad)->pathdata.Points, points, count * sizeof(PointF));
 597     memset((*grad)->pathdata.Types, PathPointTypeLine, count);
 598
 599     (*grad)->brush.lb.lbStyle = BS_SOLID;
 600     (*grad)->brush.lb.lbColor = col;
 601     (*grad)->brush.lb.lbHatch = 0;
 602
 603     (*grad)->brush.gdibrush = CreateSolidBrush(col);
 604     (*grad)->brush.bt = BrushTypePathGradient;
 605     (*grad)->centercolor = 0xffffffff;
 606     (*grad)->wrap = wrap;
 607     (*grad)->gamma = FALSE;
 608     (*grad)->center.X = 0.0;
 609     (*grad)->center.Y = 0.0;
 610     (*grad)->focus.X = 0.0;
 611     (*grad)->focus.Y = 0.0;
 612
 613     TRACE("<-- %p\n", *grad);
 614
 615     return Ok;
 616 }
 617
 618 GpStatus WINGDIPAPI GdipCreatePathGradientI(GDIPCONST GpPoint* points,
 619     INT count, GpWrapMode wrap, GpPathGradient **grad)
 620 {
 621     GpPointF *pointsF;
 622     GpStatus ret;
 623     INT i;
 624
 625     TRACE("(%p, %d, %d, %p)\n", points, count, wrap, grad);
 626
 627     if(!points || !grad)
 628         return InvalidParameter;
 629
 630     if(count <= 0)
 631         return OutOfMemory;
 632
 633     pointsF = GdipAlloc(sizeof(GpPointF) * count);
 634     if(!pointsF)
 635         return OutOfMemory;
 636
 637     for(i = 0; i < count; i++){
 638         pointsF[i].X = (REAL)points[i].X;
 639         pointsF[i].Y = (REAL)points[i].Y;
 640     }
 641
 642     ret = GdipCreatePathGradient(pointsF, count, wrap, grad);
 643     GdipFree(pointsF);
 644
 645     return ret;
 646 }
 647
 648 /******************************************************************************
 649  * GdipCreatePathGradientFromPath [GDIPLUS.@]
 650  *
 651  * FIXME: path gradient brushes not truly supported (drawn as solid brushes)
 652  */
 653 GpStatus WINGDIPAPI GdipCreatePathGradientFromPath(GDIPCONST GpPath* path,
 654     GpPathGradient **grad)
 655 {
 656     COLORREF col = ARGB2COLORREF(0xffffffff);
 657
 658     TRACE("(%p, %p)\n", path, grad);
 659
 660     if(!path || !grad)
 661         return InvalidParameter;
 662
 663     *grad = GdipAlloc(sizeof(GpPathGradient));
 664     if (!*grad) return OutOfMemory;
 665
 666     (*grad)->blendfac = GdipAlloc(sizeof(REAL));
 667     if(!(*grad)->blendfac){
 668         GdipFree(*grad);
 669         return OutOfMemory;
 670     }
 671     (*grad)->blendfac[0] = 1.0;
 672     (*grad)->blendpos    = NULL;
 673     (*grad)->blendcount  = 1;
 674
 675     (*grad)->pathdata.Count = path->pathdata.Count;
 676     (*grad)->pathdata.Points = GdipAlloc(path->pathdata.Count * sizeof(PointF));
 677     (*grad)->pathdata.Types = GdipAlloc(path->pathdata.Count);
 678
 679     if(!(*grad)->pathdata.Points || !(*grad)->pathdata.Types){
 680         GdipFree((*grad)->pathdata.Points);
 681         GdipFree((*grad)->pathdata.Types);
 682         GdipFree(*grad);
 683         return OutOfMemory;
 684     }
 685
 686     memcpy((*grad)->pathdata.Points, path->pathdata.Points,
 687            path->pathdata.Count * sizeof(PointF));
 688     memcpy((*grad)->pathdata.Types, path->pathdata.Types, path->pathdata.Count);
 689
 690     (*grad)->brush.lb.lbStyle = BS_SOLID;
 691     (*grad)->brush.lb.lbColor = col;
 692     (*grad)->brush.lb.lbHatch = 0;
 693
 694     (*grad)->brush.gdibrush = CreateSolidBrush(col);
 695     (*grad)->brush.bt = BrushTypePathGradient;
 696     (*grad)->centercolor = 0xffffffff;
 697     (*grad)->wrap = WrapModeClamp;
 698     (*grad)->gamma = FALSE;
 699     /* FIXME: this should be set to the "centroid" of the path by default */
 700     (*grad)->center.X = 0.0;
 701     (*grad)->center.Y = 0.0;
 702     (*grad)->focus.X = 0.0;
 703     (*grad)->focus.Y = 0.0;
 704
 705     TRACE("<-- %p\n", *grad);
 706
 707     return Ok;
 708 }
 709
 710 /******************************************************************************
 711  * GdipCreateSolidFill [GDIPLUS.@]
 712  */
 713 GpStatus WINGDIPAPI GdipCreateSolidFill(ARGB color, GpSolidFill **sf)
 714 {
 715     COLORREF col = ARGB2COLORREF(color);
 716
 717     TRACE("(%x, %p)\n", color, sf);
 718
 719     if(!sf)  return InvalidParameter;
 720
 721     *sf = GdipAlloc(sizeof(GpSolidFill));
 722     if (!*sf) return OutOfMemory;
 723
 724     (*sf)->brush.lb.lbStyle = BS_SOLID;
 725     (*sf)->brush.lb.lbColor = col;
 726     (*sf)->brush.lb.lbHatch = 0;
 727
 728     (*sf)->brush.gdibrush = CreateSolidBrush(col);
 729     (*sf)->brush.bt = BrushTypeSolidColor;
 730     (*sf)->color = color;
 731     (*sf)->bmp = ARGB2BMP(color);
 732
 733     TRACE("<-- %p\n", *sf);
 734
 735     return Ok;
 736 }
 737
 738 /******************************************************************************
 739  * GdipCreateTexture [GDIPLUS.@]
 740  *
 741  * PARAMS
 742  *  image       [I] image to use
 743  *  wrapmode    [I] optional
 744  *  texture     [O] pointer to the resulting texturebrush
 745  *
 746  * RETURNS
 747  *  SUCCESS: Ok
 748  *  FAILURE: element of GpStatus
 749  */
 750 GpStatus WINGDIPAPI GdipCreateTexture(GpImage *image, GpWrapMode wrapmode,
 751         GpTexture **texture)
 752 {
 753     UINT width, height;
 754     GpImageAttributes attributes;
 755     GpStatus stat;
 756
 757     TRACE("%p, %d %p\n", image, wrapmode, texture);
 758
 759     if (!(image && texture))
 760         return InvalidParameter;
 761
 762     stat = GdipGetImageWidth(image, &width);
 763     if (stat != Ok) return stat;
 764     stat = GdipGetImageHeight(image, &height);
 765     if (stat != Ok) return stat;
 766     attributes.wrap = wrapmode;
 767
 768     return GdipCreateTextureIA(image, &attributes, 0, 0, width, height,
 769             texture);
 770 }
 771
 772 /******************************************************************************
 773  * GdipCreateTexture2 [GDIPLUS.@]
 774  */
 775 GpStatus WINGDIPAPI GdipCreateTexture2(GpImage *image, GpWrapMode wrapmode,
 776         REAL x, REAL y, REAL width, REAL height, GpTexture **texture)
 777 {
 778     GpImageAttributes attributes;
 779
 780     TRACE("%p %d %f %f %f %f %p\n", image, wrapmode,
 781             x, y, width, height, texture);
 782
 783     attributes.wrap = wrapmode;
 784     return GdipCreateTextureIA(image, &attributes, x, y, width, height,
 785             texture);
 786 }
 787
 788 /******************************************************************************
 789  * GdipCreateTextureIA [GDIPLUS.@]
 790  *
 791  * FIXME: imageattr ignored
 792  */
 793 GpStatus WINGDIPAPI GdipCreateTextureIA(GpImage *image,
 794     GDIPCONST GpImageAttributes *imageattr, REAL x, REAL y, REAL width,
 795     REAL height, GpTexture **texture)
 796 {
 797     HBITMAP hbm=NULL;
 798     GpStatus status;
 799     GpImage *new_image=NULL;
 800
 801     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %p)\n", image, imageattr, x, y, width, height,
 802            texture);
 803
 804     if(!image || !texture || x < 0.0 || y < 0.0 || width < 0.0 || height < 0.0)
 805         return InvalidParameter;
 806
 807     *texture = NULL;
 808
 809     if(image->type != ImageTypeBitmap){
 810         FIXME("not implemented for image type %d\n", image->type);
 811         return NotImplemented;
 812     }
 813
 814     status = GdipCloneBitmapArea(x, y, width, height, PixelFormatDontCare, (GpBitmap*)image, (GpBitmap**)&new_image);
 815     if (status != Ok)
 816         return status;
 817
 818     status = GdipCreateHBITMAPFromBitmap((GpBitmap*)new_image, &hbm, 0);
 819     if(!hbm)
 820     {
 821         status = GenericError;
 822         goto exit;
 823     }
 824
 825     *texture = GdipAlloc(sizeof(GpTexture));
 826     if (!*texture){
 827         status = OutOfMemory;
 828         goto exit;
 829     }
 830
 831     if((status = GdipCreateMatrix(&(*texture)->transform)) != Ok){
 832         goto exit;
 833     }
 834
 835     (*texture)->brush.lb.lbStyle = BS_PATTERN;
 836     (*texture)->brush.lb.lbColor = 0;
 837     (*texture)->brush.lb.lbHatch = (ULONG_PTR)hbm;
 838
 839     (*texture)->brush.gdibrush = CreateBrushIndirect(&(*texture)->brush.lb);
 840     (*texture)->brush.bt = BrushTypeTextureFill;
 841     if (imageattr)
 842         (*texture)->wrap = imageattr->wrap;
 843     else
 844         (*texture)->wrap = WrapModeTile;
 845     (*texture)->image = new_image;
 846
 847 exit:
 848     if (status == Ok)
 849     {
 850         TRACE("<-- %p\n", *texture);
 851     }
 852     else
 853     {
 854         if (*texture)
 855         {
 856             GdipDeleteMatrix((*texture)->transform);
 857             GdipFree(*texture);
 858             *texture = NULL;
 859         }
 860         GdipDisposeImage(new_image);
 861         TRACE("<-- error %u\n", status);
 862     }
 863
 864     DeleteObject(hbm);
 865
 866     return status;
 867 }
 868
 869 /******************************************************************************
 870  * GdipCreateTextureIAI [GDIPLUS.@]
 871  */
 872 GpStatus WINGDIPAPI GdipCreateTextureIAI(GpImage *image, GDIPCONST GpImageAttributes *imageattr,
 873     INT x, INT y, INT width, INT height, GpTexture **texture)
 874 {
 875     TRACE("(%p, %p, %d, %d, %d, %d, %p)\n", image, imageattr, x, y, width, height,
 876            texture);
 877
 878     return GdipCreateTextureIA(image,imageattr,(REAL)x,(REAL)y,(REAL)width,(REAL)height,texture);
 879 }
 880
 881 GpStatus WINGDIPAPI GdipCreateTexture2I(GpImage *image, GpWrapMode wrapmode,
 882         INT x, INT y, INT width, INT height, GpTexture **texture)
 883 {
 884     GpImageAttributes imageattr;
 885
 886     TRACE("%p %d %d %d %d %d %p\n", image, wrapmode, x, y, width, height,
 887             texture);
 888
 889     imageattr.wrap = wrapmode;
 890
 891     return GdipCreateTextureIA(image, &imageattr, x, y, width, height, texture);
 892 }
 893
 894 GpStatus WINGDIPAPI GdipGetBrushType(GpBrush *brush, GpBrushType *type)
 895 {
 896     TRACE("(%p, %p)\n", brush, type);
 897
 898     if(!brush || !type)  return InvalidParameter;
 899
 900     *type = brush->bt;
 901
 902     return Ok;
 903 }
 904
 905 GpStatus WINGDIPAPI GdipGetHatchBackgroundColor(GpHatch *brush, ARGB *backcol)
 906 {
 907     TRACE("(%p, %p)\n", brush, backcol);
 908
 909     if(!brush || !backcol)  return InvalidParameter;
 910
 911     *backcol = brush->backcol;
 912
 913     return Ok;
 914 }
 915
 916 GpStatus WINGDIPAPI GdipGetHatchForegroundColor(GpHatch *brush, ARGB *forecol)
 917 {
 918     TRACE("(%p, %p)\n", brush, forecol);
 919
 920     if(!brush || !forecol)  return InvalidParameter;
 921
 922     *forecol = brush->forecol;
 923
 924     return Ok;
 925 }
 926
 927 GpStatus WINGDIPAPI GdipGetHatchStyle(GpHatch *brush, HatchStyle *hatchstyle)
 928 {
 929     TRACE("(%p, %p)\n", brush, hatchstyle);
 930
 931     if(!brush || !hatchstyle)  return InvalidParameter;
 932
 933     *hatchstyle = brush->hatchstyle;
 934
 935     return Ok;
 936 }
 937
 938 GpStatus WINGDIPAPI GdipDeleteBrush(GpBrush *brush)
 939 {
 940     TRACE("(%p)\n", brush);
 941
 942     if(!brush)  return InvalidParameter;
 943
 944     switch(brush->bt)
 945     {
 946         case BrushTypePathGradient:
 947             GdipFree(((GpPathGradient*) brush)->pathdata.Points);
 948             GdipFree(((GpPathGradient*) brush)->pathdata.Types);
 949             GdipFree(((GpPathGradient*) brush)->blendfac);
 950             GdipFree(((GpPathGradient*) brush)->blendpos);
 951             break;
 952         case BrushTypeSolidColor:
 953             if (((GpSolidFill*)brush)->bmp)
 954                 DeleteObject(((GpSolidFill*)brush)->bmp);
 955             break;
 956         case BrushTypeLinearGradient:
 957             GdipFree(((GpLineGradient*)brush)->blendfac);
 958             GdipFree(((GpLineGradient*)brush)->blendpos);
 959             GdipFree(((GpLineGradient*)brush)->pblendcolor);
 960             GdipFree(((GpLineGradient*)brush)->pblendpos);
 961             break;
 962         case BrushTypeTextureFill:
 963             GdipDeleteMatrix(((GpTexture*)brush)->transform);
 964             GdipDisposeImage(((GpTexture*)brush)->image);
 965             break;
 966         default:
 967             break;
 968     }
 969
 970     DeleteObject(brush->gdibrush);
 971     GdipFree(brush);
 972
 973     return Ok;
 974 }
 975
 976 GpStatus WINGDIPAPI GdipGetLineGammaCorrection(GpLineGradient *line,
 977     BOOL *usinggamma)
 978 {
 979     TRACE("(%p, %p)\n", line, usinggamma);
 980
 981     if(!line || !usinggamma)
 982         return InvalidParameter;
 983
 984     *usinggamma = line->gamma;
 985
 986     return Ok;
 987 }
 988
 989 GpStatus WINGDIPAPI GdipGetLineWrapMode(GpLineGradient *brush, GpWrapMode *wrapmode)
 990 {
 991     TRACE("(%p, %p)\n", brush, wrapmode);
 992
 993     if(!brush || !wrapmode)
 994         return InvalidParameter;
 995
 996     *wrapmode = brush->wrap;
 997
 998     return Ok;
 999 }
1000
1001 GpStatus WINGDIPAPI GdipGetPathGradientBlend(GpPathGradient *brush, REAL *blend,
1002     REAL *positions, INT count)
1003 {
1004     TRACE("(%p, %p, %p, %d)\n", brush, blend, positions, count);
1005
1006     if(!brush || !blend || !positions || count <= 0)
1007         return InvalidParameter;
1008
1009     if(count < brush->blendcount)
1010         return InsufficientBuffer;
1011
1012     memcpy(blend, brush->blendfac, count*sizeof(REAL));
1013     if(brush->blendcount > 1){
1014         memcpy(positions, brush->blendpos, count*sizeof(REAL));
1015     }
1016
1017     return Ok;
1018 }
1019
1020 GpStatus WINGDIPAPI GdipGetPathGradientBlendCount(GpPathGradient *brush, INT *count)
1021 {
1022     TRACE("(%p, %p)\n", brush, count);
1023
1024     if(!brush || !count)
1025         return InvalidParameter;
1026
1027     *count = brush->blendcount;
1028
1029     return Ok;
1030 }
1031
1032 GpStatus WINGDIPAPI GdipGetPathGradientCenterPoint(GpPathGradient *grad,
1033     GpPointF *point)
1034 {
1035     TRACE("(%p, %p)\n", grad, point);
1036
1037     if(!grad || !point)
1038         return InvalidParameter;
1039
1040     point->X = grad->center.X;
1041     point->Y = grad->center.Y;
1042
1043     return Ok;
1044 }
1045
1046 GpStatus WINGDIPAPI GdipGetPathGradientCenterPointI(GpPathGradient *grad,
1047     GpPoint *point)
1048 {
1049     GpStatus ret;
1050     GpPointF ptf;
1051
1052     TRACE("(%p, %p)\n", grad, point);
1053
1054     if(!point)
1055         return InvalidParameter;
1056
1057     ret = GdipGetPathGradientCenterPoint(grad,&ptf);
1058
1059     if(ret == Ok){
1060         point->X = roundr(ptf.X);
1061         point->Y = roundr(ptf.Y);
1062     }
1063
1064     return ret;
1065 }
1066
1067 GpStatus WINGDIPAPI GdipGetPathGradientFocusScales(GpPathGradient *grad,
1068     REAL *x, REAL *y)
1069 {
1070     TRACE("(%p, %p, %p)\n", grad, x, y);
1071
1072     if(!grad || !x || !y)
1073         return InvalidParameter;
1074
1075     *x = grad->focus.X;
1076     *y = grad->focus.Y;
1077
1078     return Ok;
1079 }
1080
1081 GpStatus WINGDIPAPI GdipGetPathGradientGammaCorrection(GpPathGradient *grad,
1082     BOOL *gamma)
1083 {
1084     TRACE("(%p, %p)\n", grad, gamma);
1085
1086     if(!grad || !gamma)
1087         return InvalidParameter;
1088
1089     *gamma = grad->gamma;
1090
1091     return Ok;
1092 }
1093
1094 GpStatus WINGDIPAPI GdipGetPathGradientPointCount(GpPathGradient *grad,
1095     INT *count)
1096 {
1097     TRACE("(%p, %p)\n", grad, count);
1098
1099     if(!grad || !count)
1100         return InvalidParameter;
1101
1102     *count = grad->pathdata.Count;
1103
1104     return Ok;
1105 }
1106
1107 GpStatus WINGDIPAPI GdipGetPathGradientRect(GpPathGradient *brush, GpRectF *rect)
1108 {
1109     GpRectF r;
1110     GpPath* path;
1111     GpStatus stat;
1112
1113     TRACE("(%p, %p)\n", brush, rect);
1114
1115     if(!brush || !rect)
1116         return InvalidParameter;
1117
1118     stat = GdipCreatePath2(brush->pathdata.Points, brush->pathdata.Types,
1119                            brush->pathdata.Count, FillModeAlternate, &path);
1120     if(stat != Ok)  return stat;
1121
1122     stat = GdipGetPathWorldBounds(path, &r, NULL, NULL);
1123     if(stat != Ok){
1124         GdipDeletePath(path);
1125         return stat;
1126     }
1127
1128     memcpy(rect, &r, sizeof(GpRectF));
1129
1130     GdipDeletePath(path);
1131
1132     return Ok;
1133 }
1134
1135 GpStatus WINGDIPAPI GdipGetPathGradientRectI(GpPathGradient *brush, GpRect *rect)
1136 {
1137     GpRectF rectf;
1138     GpStatus stat;
1139
1140     TRACE("(%p, %p)\n", brush, rect);
1141
1142     if(!brush || !rect)
1143         return InvalidParameter;
1144
1145     stat = GdipGetPathGradientRect(brush, &rectf);
1146     if(stat != Ok)  return stat;
1147
1148     rect->X = roundr(rectf.X);
1149     rect->Y = roundr(rectf.Y);
1150     rect->Width  = roundr(rectf.Width);
1151     rect->Height = roundr(rectf.Height);
1152
1153     return Ok;
1154 }
1155
1156 GpStatus WINGDIPAPI GdipGetPathGradientSurroundColorsWithCount(GpPathGradient
1157     *grad, ARGB *argb, INT *count)
1158 {
1159     static int calls;
1160
1161     TRACE("(%p,%p,%p)\n", grad, argb, count);
1162
1163     if(!grad || !argb || !count || (*count < grad->pathdata.Count))
1164         return InvalidParameter;
1165
1166     if(!(calls++))
1167         FIXME("not implemented\n");
1168
1169     return NotImplemented;
1170 }
1171
1172 GpStatus WINGDIPAPI GdipGetPathGradientSurroundColorCount(GpPathGradient *brush, INT *count)
1173 {
1174     TRACE("(%p, %p)\n", brush, count);
1175
1176     if (!brush || !count)
1177        return InvalidParameter;
1178
1179     return NotImplemented;
1180 }
1181
1182 GpStatus WINGDIPAPI GdipGetPathGradientWrapMode(GpPathGradient *brush,
1183     GpWrapMode *wrapmode)
1184 {
1185     TRACE("(%p, %p)\n", brush, wrapmode);
1186
1187     if(!brush || !wrapmode)
1188         return InvalidParameter;
1189
1190     *wrapmode = brush->wrap;
1191
1192     return Ok;
1193 }
1194
1195 GpStatus WINGDIPAPI GdipGetSolidFillColor(GpSolidFill *sf, ARGB *argb)
1196 {
1197     TRACE("(%p, %p)\n", sf, argb);
1198
1199     if(!sf || !argb)
1200         return InvalidParameter;
1201
1202     *argb = sf->color;
1203
1204     return Ok;
1205 }
1206
1207 /******************************************************************************
1208  * GdipGetTextureImage [GDIPLUS.@]
1209  */
1210 GpStatus WINGDIPAPI GdipGetTextureImage(GpTexture *brush, GpImage **image)
1211 {
1212     TRACE("(%p, %p)\n", brush, image);
1213
1214     if(!brush || !image)
1215         return InvalidParameter;
1216
1217     return GdipCloneImage(brush->image, image);
1218 }
1219
1220 /******************************************************************************
1221  * GdipGetTextureTransform [GDIPLUS.@]
1222  */
1223 GpStatus WINGDIPAPI GdipGetTextureTransform(GpTexture *brush, GpMatrix *matrix)
1224 {
1225     TRACE("(%p, %p)\n", brush, matrix);
1226
1227     if(!brush || !matrix)
1228         return InvalidParameter;
1229
1230     memcpy(matrix, brush->transform, sizeof(GpMatrix));
1231
1232     return Ok;
1233 }
1234
1235 /******************************************************************************
1236  * GdipGetTextureWrapMode [GDIPLUS.@]
1237  */
1238 GpStatus WINGDIPAPI GdipGetTextureWrapMode(GpTexture *brush, GpWrapMode *wrapmode)
1239 {
1240     TRACE("(%p, %p)\n", brush, wrapmode);
1241
1242     if(!brush || !wrapmode)
1243         return InvalidParameter;
1244
1245     *wrapmode = brush->wrap;
1246
1247     return Ok;
1248 }
1249
1250 /******************************************************************************
1251  * GdipMultiplyTextureTransform [GDIPLUS.@]
1252  */
1253 GpStatus WINGDIPAPI GdipMultiplyTextureTransform(GpTexture* brush,
1254     GDIPCONST GpMatrix *matrix, GpMatrixOrder order)
1255 {
1256     TRACE("(%p, %p, %d)\n", brush, matrix, order);
1257
1258     if(!brush || !matrix)
1259         return InvalidParameter;
1260
1261     return GdipMultiplyMatrix(brush->transform, matrix, order);
1262 }
1263
1264 /******************************************************************************
1265  * GdipResetTextureTransform [GDIPLUS.@]
1266  */
1267 GpStatus WINGDIPAPI GdipResetTextureTransform(GpTexture* brush)
1268 {
1269     TRACE("(%p)\n", brush);
1270
1271     if(!brush)
1272         return InvalidParameter;
1273
1274     return GdipSetMatrixElements(brush->transform, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
1275 }
1276
1277 /******************************************************************************
1278  * GdipScaleTextureTransform [GDIPLUS.@]
1279  */
1280 GpStatus WINGDIPAPI GdipScaleTextureTransform(GpTexture* brush,
1281     REAL sx, REAL sy, GpMatrixOrder order)
1282 {
1283     TRACE("(%p, %.2f, %.2f, %d)\n", brush, sx, sy, order);
1284
1285     if(!brush)
1286         return InvalidParameter;
1287
1288     return GdipScaleMatrix(brush->transform, sx, sy, order);
1289 }
1290
1291 GpStatus WINGDIPAPI GdipSetLineBlend(GpLineGradient *brush,
1292     GDIPCONST REAL *factors, GDIPCONST REAL* positions, INT count)
1293 {
1294     REAL *new_blendfac, *new_blendpos;
1295
1296     TRACE("(%p, %p, %p, %i)\n", brush, factors, positions, count);
1297
1298     if(!brush || !factors || !positions || count <= 0 ||
1299        (count >= 2 && (positions[0] != 0.0f || positions[count-1] != 1.0f)))
1300         return InvalidParameter;
1301
1302     new_blendfac = GdipAlloc(count * sizeof(REAL));
1303     new_blendpos = GdipAlloc(count * sizeof(REAL));
1304
1305     if (!new_blendfac || !new_blendpos)
1306     {
1307         GdipFree(new_blendfac);
1308         GdipFree(new_blendpos);
1309         return OutOfMemory;
1310     }
1311
1312     memcpy(new_blendfac, factors, count * sizeof(REAL));
1313     memcpy(new_blendpos, positions, count * sizeof(REAL));
1314
1315     GdipFree(brush->blendfac);
1316     GdipFree(brush->blendpos);
1317
1318     brush->blendcount = count;
1319     brush->blendfac = new_blendfac;
1320     brush->blendpos = new_blendpos;
1321
1322     return Ok;
1323 }
1324
1325 GpStatus WINGDIPAPI GdipGetLineBlend(GpLineGradient *brush, REAL *factors,
1326     REAL *positions, INT count)
1327 {
1328     TRACE("(%p, %p, %p, %i)\n", brush, factors, positions, count);
1329
1330     if (!brush || !factors || !positions || count <= 0)
1331         return InvalidParameter;
1332
1333     if (count < brush->blendcount)
1334         return InsufficientBuffer;
1335
1336     memcpy(factors, brush->blendfac, brush->blendcount * sizeof(REAL));
1337     memcpy(positions, brush->blendpos, brush->blendcount * sizeof(REAL));
1338
1339     return Ok;
1340 }
1341
1342 GpStatus WINGDIPAPI GdipGetLineBlendCount(GpLineGradient *brush, INT *count)
1343 {
1344     TRACE("(%p, %p)\n", brush, count);
1345
1346     if (!brush || !count)
1347         return InvalidParameter;
1348
1349     *count = brush->blendcount;
1350
1351     return Ok;
1352 }
1353
1354 GpStatus WINGDIPAPI GdipSetLineGammaCorrection(GpLineGradient *line,
1355     BOOL usegamma)
1356 {
1357     TRACE("(%p, %d)\n", line, usegamma);
1358
1359     if(!line)
1360         return InvalidParameter;
1361
1362     line->gamma = usegamma;
1363
1364     return Ok;
1365 }
1366
1367 GpStatus WINGDIPAPI GdipSetLineSigmaBlend(GpLineGradient *line, REAL focus,
1368     REAL scale)
1369 {
1370     REAL factors[33];
1371     REAL positions[33];
1372     int num_points = 0;
1373     int i;
1374     const int precision = 16;
1375     REAL erf_range; /* we use values erf(-erf_range) through erf(+erf_range) */
1376     REAL min_erf;
1377     REAL scale_erf;
1378
1379     TRACE("(%p, %0.2f, %0.2f)\n", line, focus, scale);
1380
1381     if(!line || focus < 0.0 || focus > 1.0 || scale < 0.0 || scale > 1.0)
1382         return InvalidParameter;
1383
1384     /* we want 2 standard deviations */
1385     erf_range = 2.0 / sqrt(2);
1386
1387     /* calculate the constants we need to normalize the error function to be
1388         between 0.0 and scale over the range we need */
1389     min_erf = erf(-erf_range);
1390     scale_erf = scale / (-2.0 * min_erf);
1391
1392     if (focus != 0.0)
1393     {
1394         positions[0] = 0.0;
1395         factors[0] = 0.0;
1396         for (i=1; i<precision; i++)
1397         {
1398             positions[i] = focus * i / precision;
1399             factors[i] = scale_erf * (erf(2 * erf_range * i / precision - erf_range) - min_erf);
1400         }
1401         num_points += precision;
1402     }
1403
1404     positions[num_points] = focus;
1405     factors[num_points] = scale;
1406     num_points += 1;
1407
1408     if (focus != 1.0)
1409     {
1410         for (i=1; i<precision; i++)
1411         {
1412             positions[i+num_points-1] = (focus + ((1.0-focus) * i / precision));
1413             factors[i+num_points-1] = scale_erf * (erf(erf_range - 2 * erf_range * i / precision) - min_erf);
1414         }
1415         num_points += precision;
1416         positions[num_points-1] = 1.0;
1417         factors[num_points-1] = 0.0;
1418     }
1419
1420     return GdipSetLineBlend(line, factors, positions, num_points);
1421 }
1422
1423 GpStatus WINGDIPAPI GdipSetLineWrapMode(GpLineGradient *line,
1424     GpWrapMode wrap)
1425 {
1426     TRACE("(%p, %d)\n", line, wrap);
1427
1428     if(!line || wrap == WrapModeClamp)
1429         return InvalidParameter;
1430
1431     line->wrap = wrap;
1432
1433     return Ok;
1434 }
1435
1436 GpStatus WINGDIPAPI GdipSetPathGradientBlend(GpPathGradient *brush, GDIPCONST REAL *blend,
1437     GDIPCONST REAL *pos, INT count)
1438 {
1439     static int calls;
1440
1441     TRACE("(%p,%p,%p,%i)\n", brush, blend, pos, count);
1442
1443     if(!(calls++))
1444         FIXME("not implemented\n");
1445
1446     return NotImplemented;
1447 }
1448
1449 GpStatus WINGDIPAPI GdipSetPathGradientPresetBlend(GpPathGradient *brush,
1450     GDIPCONST ARGB *blend, GDIPCONST REAL *pos, INT count)
1451 {
1452     FIXME("(%p,%p,%p,%i): stub\n", brush, blend, pos, count);
1453     return NotImplemented;
1454 }
1455
1456 GpStatus WINGDIPAPI GdipSetPathGradientCenterColor(GpPathGradient *grad,
1457     ARGB argb)
1458 {
1459     TRACE("(%p, %x)\n", grad, argb);
1460
1461     if(!grad)
1462         return InvalidParameter;
1463
1464     grad->centercolor = argb;
1465     grad->brush.lb.lbColor = ARGB2COLORREF(argb);
1466
1467     DeleteObject(grad->brush.gdibrush);
1468     grad->brush.gdibrush = CreateSolidBrush(grad->brush.lb.lbColor);
1469
1470     return Ok;
1471 }
1472
1473 GpStatus WINGDIPAPI GdipSetPathGradientCenterPoint(GpPathGradient *grad,
1474     GpPointF *point)
1475 {
1476     TRACE("(%p, %s)\n", grad, debugstr_pointf(point));
1477
1478     if(!grad || !point)
1479         return InvalidParameter;
1480
1481     grad->center.X = point->X;
1482     grad->center.Y = point->Y;
1483
1484     return Ok;
1485 }
1486
1487 GpStatus WINGDIPAPI GdipSetPathGradientCenterPointI(GpPathGradient *grad,
1488     GpPoint *point)
1489 {
1490     GpPointF ptf;
1491
1492     TRACE("(%p, %p)\n", grad, point);
1493
1494     if(!point)
1495         return InvalidParameter;
1496
1497     ptf.X = (REAL)point->X;
1498     ptf.Y = (REAL)point->Y;
1499
1500     return GdipSetPathGradientCenterPoint(grad,&ptf);
1501 }
1502
1503 GpStatus WINGDIPAPI GdipSetPathGradientFocusScales(GpPathGradient *grad,
1504     REAL x, REAL y)
1505 {
1506     TRACE("(%p, %.2f, %.2f)\n", grad, x, y);
1507
1508     if(!grad)
1509         return InvalidParameter;
1510
1511     grad->focus.X = x;
1512     grad->focus.Y = y;
1513
1514     return Ok;
1515 }
1516
1517 GpStatus WINGDIPAPI GdipSetPathGradientGammaCorrection(GpPathGradient *grad,
1518     BOOL gamma)
1519 {
1520     TRACE("(%p, %d)\n", grad, gamma);
1521
1522     if(!grad)
1523         return InvalidParameter;
1524
1525     grad->gamma = gamma;
1526
1527     return Ok;
1528 }
1529
1530 GpStatus WINGDIPAPI GdipSetPathGradientSigmaBlend(GpPathGradient *grad,
1531     REAL focus, REAL scale)
1532 {
1533     static int calls;
1534
1535     TRACE("(%p,%0.2f,%0.2f)\n", grad, focus, scale);
1536
1537     if(!grad || focus < 0.0 || focus > 1.0 || scale < 0.0 || scale > 1.0)
1538         return InvalidParameter;
1539
1540     if(!(calls++))
1541         FIXME("not implemented\n");
1542
1543     return NotImplemented;
1544 }
1545
1546 GpStatus WINGDIPAPI GdipSetPathGradientSurroundColorsWithCount(GpPathGradient
1547     *grad, GDIPCONST ARGB *argb, INT *count)
1548 {
1549     static int calls;
1550
1551     TRACE("(%p,%p,%p)\n", grad, argb, count);
1552
1553     if(!grad || !argb || !count || (*count <= 0) ||
1554         (*count > grad->pathdata.Count))
1555         return InvalidParameter;
1556
1557     if(!(calls++))
1558         FIXME("not implemented\n");
1559
1560     return NotImplemented;
1561 }
1562
1563 GpStatus WINGDIPAPI GdipSetPathGradientWrapMode(GpPathGradient *grad,
1564     GpWrapMode wrap)
1565 {
1566     TRACE("(%p, %d)\n", grad, wrap);
1567
1568     if(!grad)
1569         return InvalidParameter;
1570
1571     grad->wrap = wrap;
1572
1573     return Ok;
1574 }
1575
1576 GpStatus WINGDIPAPI GdipSetSolidFillColor(GpSolidFill *sf, ARGB argb)
1577 {
1578     TRACE("(%p, %x)\n", sf, argb);
1579
1580     if(!sf)
1581         return InvalidParameter;
1582
1583     sf->color = argb;
1584     sf->brush.lb.lbColor = ARGB2COLORREF(argb);
1585
1586     DeleteObject(sf->brush.gdibrush);
1587     sf->brush.gdibrush = CreateSolidBrush(sf->brush.lb.lbColor);
1588
1589     return Ok;
1590 }
1591
1592 /******************************************************************************
1593  * GdipSetTextureTransform [GDIPLUS.@]
1594  */
1595 GpStatus WINGDIPAPI GdipSetTextureTransform(GpTexture *texture,
1596     GDIPCONST GpMatrix *matrix)
1597 {
1598     TRACE("(%p, %p)\n", texture, matrix);
1599
1600     if(!texture || !matrix)
1601         return InvalidParameter;
1602
1603     memcpy(texture->transform, matrix, sizeof(GpMatrix));
1604
1605     return Ok;
1606 }
1607
1608 /******************************************************************************
1609  * GdipSetTextureWrapMode [GDIPLUS.@]
1610  *
1611  * WrapMode not used, only stored
1612  */
1613 GpStatus WINGDIPAPI GdipSetTextureWrapMode(GpTexture *brush, GpWrapMode wrapmode)
1614 {
1615     TRACE("(%p, %d)\n", brush, wrapmode);
1616
1617     if(!brush)
1618         return InvalidParameter;
1619
1620     brush->wrap = wrapmode;
1621
1622     return Ok;
1623 }
1624
1625 GpStatus WINGDIPAPI GdipSetLineColors(GpLineGradient *brush, ARGB color1,
1626     ARGB color2)
1627 {
1628     TRACE("(%p, %x, %x)\n", brush, color1, color2);
1629
1630     if(!brush)
1631         return InvalidParameter;
1632
1633     brush->startcolor = color1;
1634     brush->endcolor   = color2;
1635
1636     return Ok;
1637 }
1638
1639 GpStatus WINGDIPAPI GdipGetLineColors(GpLineGradient *brush, ARGB *colors)
1640 {
1641     TRACE("(%p, %p)\n", brush, colors);
1642
1643     if(!brush || !colors)
1644         return InvalidParameter;
1645
1646     colors[0] = brush->startcolor;
1647     colors[1] = brush->endcolor;
1648
1649     return Ok;
1650 }
1651
1652 /******************************************************************************
1653  * GdipRotateTextureTransform [GDIPLUS.@]
1654  */
1655 GpStatus WINGDIPAPI GdipRotateTextureTransform(GpTexture* brush, REAL angle,
1656     GpMatrixOrder order)
1657 {
1658     TRACE("(%p, %.2f, %d)\n", brush, angle, order);
1659
1660     if(!brush)
1661         return InvalidParameter;
1662
1663     return GdipRotateMatrix(brush->transform, angle, order);
1664 }
1665
1666 GpStatus WINGDIPAPI GdipSetLineLinearBlend(GpLineGradient *brush, REAL focus,
1667     REAL scale)
1668 {
1669     REAL factors[3];
1670     REAL positions[3];
1671     int num_points = 0;
1672
1673     TRACE("(%p,%.2f,%.2f)\n", brush, focus, scale);
1674
1675     if (!brush) return InvalidParameter;
1676
1677     if (focus != 0.0)
1678     {
1679         factors[num_points] = 0.0;
1680         positions[num_points] = 0.0;
1681         num_points++;
1682     }
1683
1684     factors[num_points] = scale;
1685     positions[num_points] = focus;
1686     num_points++;
1687
1688     if (focus != 1.0)
1689     {
1690         factors[num_points] = 0.0;
1691         positions[num_points] = 1.0;
1692         num_points++;
1693     }
1694
1695     return GdipSetLineBlend(brush, factors, positions, num_points);
1696 }
1697
1698 GpStatus WINGDIPAPI GdipSetLinePresetBlend(GpLineGradient *brush,
1699     GDIPCONST ARGB *blend, GDIPCONST REAL* positions, INT count)
1700 {
1701     ARGB *new_color;
1702     REAL *new_pos;
1703     TRACE("(%p,%p,%p,%i)\n", brush, blend, positions, count);
1704
1705     if (!brush || !blend || !positions || count < 2 ||
1706         positions[0] != 0.0f || positions[count-1] != 1.0f)
1707     {
1708         return InvalidParameter;
1709     }
1710
1711     new_color = GdipAlloc(count * sizeof(ARGB));
1712     new_pos = GdipAlloc(count * sizeof(REAL));
1713     if (!new_color || !new_pos)
1714     {
1715         GdipFree(new_color);
1716         GdipFree(new_pos);
1717         return OutOfMemory;
1718     }
1719
1720     memcpy(new_color, blend, sizeof(ARGB) * count);
1721     memcpy(new_pos, positions, sizeof(REAL) * count);
1722
1723     GdipFree(brush->pblendcolor);
1724     GdipFree(brush->pblendpos);
1725
1726     brush->pblendcolor = new_color;
1727     brush->pblendpos = new_pos;
1728     brush->pblendcount = count;
1729
1730     return Ok;
1731 }
1732
1733 GpStatus WINGDIPAPI GdipGetLinePresetBlend(GpLineGradient *brush,
1734     ARGB *blend, REAL* positions, INT count)
1735 {
1736     if (!brush || !blend || !positions || count < 2)
1737         return InvalidParameter;
1738
1739     if (brush->pblendcount == 0)
1740         return GenericError;
1741
1742     if (count < brush->pblendcount)
1743         return InsufficientBuffer;
1744
1745     memcpy(blend, brush->pblendcolor, sizeof(ARGB) * brush->pblendcount);
1746     memcpy(positions, brush->pblendpos, sizeof(REAL) * brush->pblendcount);
1747
1748     return Ok;
1749 }
1750
1751 GpStatus WINGDIPAPI GdipGetLinePresetBlendCount(GpLineGradient *brush,
1752     INT *count)
1753 {
1754     if (!brush || !count)
1755         return InvalidParameter;
1756
1757     *count = brush->pblendcount;
1758
1759     return Ok;
1760 }
1761
1762 GpStatus WINGDIPAPI GdipResetLineTransform(GpLineGradient *brush)
1763 {
1764     static int calls;
1765
1766     TRACE("(%p)\n", brush);
1767
1768     if(!(calls++))
1769         FIXME("not implemented\n");
1770
1771     return NotImplemented;
1772 }
1773
1774 GpStatus WINGDIPAPI GdipSetLineTransform(GpLineGradient *brush,
1775     GDIPCONST GpMatrix *matrix)
1776 {
1777     static int calls;
1778
1779     TRACE("(%p,%p)\n", brush,  matrix);
1780
1781     if(!(calls++))
1782         FIXME("not implemented\n");
1783
1784     return NotImplemented;
1785 }
1786
1787 GpStatus WINGDIPAPI GdipScaleLineTransform(GpLineGradient *brush, REAL sx, REAL sy,
1788     GpMatrixOrder order)
1789 {
1790     static int calls;
1791
1792     TRACE("(%p,%0.2f,%0.2f,%u)\n", brush, sx, sy, order);
1793
1794     if(!(calls++))
1795         FIXME("not implemented\n");
1796
1797     return NotImplemented;
1798 }
1799
1800 GpStatus WINGDIPAPI GdipTranslateLineTransform(GpLineGradient* brush,
1801         REAL dx, REAL dy, GpMatrixOrder order)
1802 {
1803     FIXME("stub: %p %f %f %d\n", brush, dx, dy, order);
1804
1805     return NotImplemented;
1806 }
1807
1808 /******************************************************************************
1809  * GdipTranslateTextureTransform [GDIPLUS.@]
1810  */
1811 GpStatus WINGDIPAPI GdipTranslateTextureTransform(GpTexture* brush, REAL dx, REAL dy,
1812     GpMatrixOrder order)
1813 {
1814     TRACE("(%p, %.2f, %.2f, %d)\n", brush, dx, dy, order);
1815
1816     if(!brush)
1817         return InvalidParameter;
1818
1819     return GdipTranslateMatrix(brush->transform, dx, dy, order);
1820 }
1821
1822 GpStatus WINGDIPAPI GdipGetLineRect(GpLineGradient *brush, GpRectF *rect)
1823 {
1824     TRACE("(%p, %p)\n", brush, rect);
1825
1826     if(!brush || !rect)
1827         return InvalidParameter;
1828
1829     *rect = brush->rect;
1830
1831     return Ok;
1832 }
1833
1834 GpStatus WINGDIPAPI GdipGetLineRectI(GpLineGradient *brush, GpRect *rect)
1835 {
1836     GpRectF  rectF;
1837     GpStatus ret;
1838
1839     TRACE("(%p, %p)\n", brush, rect);
1840
1841     if(!rect)
1842         return InvalidParameter;
1843
1844     ret = GdipGetLineRect(brush, &rectF);
1845
1846     if(ret == Ok){
1847         rect->X      = roundr(rectF.X);
1848         rect->Y      = roundr(rectF.Y);
1849         rect->Width  = roundr(rectF.Width);
1850         rect->Height = roundr(rectF.Height);
1851     }
1852
1853     return ret;
1854 }
1855
1856 GpStatus WINGDIPAPI GdipRotateLineTransform(GpLineGradient* brush,
1857     REAL angle, GpMatrixOrder order)
1858 {
1859     static int calls;
1860
1861     TRACE("(%p,%0.2f,%u)\n", brush, angle, order);
1862
1863     if(!brush)
1864         return InvalidParameter;
1865
1866     if(!(calls++))
1867         FIXME("(%p, %.2f, %d) stub\n", brush, angle, order);
1868
1869     return NotImplemented;
1870 }