dlls/gdiplus/image.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 "initguid.h"
  32 #include "gdiplus.h"
  33 #include "gdiplus_private.h"
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  37
  38 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
  39
  40 static INT ipicture_pixel_height(IPicture *pic)
  41 {
  42     HDC hdcref;
  43     OLE_YSIZE_HIMETRIC y;
  44
  45     IPicture_get_Height(pic, &y);
  46
  47     hdcref = GetDC(0);
  48
  49     y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC);
  50     ReleaseDC(0, hdcref);
  51
  52     return y;
  53 }
  54
  55 static INT ipicture_pixel_width(IPicture *pic)
  56 {
  57     HDC hdcref;
  58     OLE_XSIZE_HIMETRIC x;
  59
  60     IPicture_get_Width(pic, &x);
  61
  62     hdcref = GetDC(0);
  63
  64     x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC);
  65
  66     ReleaseDC(0, hdcref);
  67
  68     return x;
  69 }
  70
  71 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
  72     ARGB *color)
  73 {
  74     static int calls;
  75     TRACE("%p %d %d %p\n", bitmap, x, y, color);
  76
  77     if(!bitmap || !color)
  78         return InvalidParameter;
  79
  80     if(!(calls++))
  81         FIXME("not implemented\n");
  82
  83     *color = 0xdeadbeef;
  84
  85     return NotImplemented;
  86 }
  87
  88 /* This function returns a pointer to an array of pixels that represents the
  89  * bitmap. The *entire* bitmap is locked according to the lock mode specified by
  90  * flags.  It is correct behavior that a user who calls this function with write
  91  * privileges can write to the whole bitmap (not just the area in rect).
  92  *
  93  * FIXME: only used portion of format is bits per pixel. */
  94 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
  95     UINT flags, PixelFormat format, BitmapData* lockeddata)
  96 {
  97     BOOL bm_is_selected;
  98     INT stride, bitspp = PIXELFORMATBPP(format);
  99     HDC hdc;
 100     HBITMAP hbm, old = NULL;
 101     BITMAPINFO *pbmi;
 102     BYTE *buff = NULL;
 103     UINT abs_height;
 104     GpRect act_rect; /* actual rect to be used */
 105
 106     TRACE("%p %p %d %d %p\n", bitmap, rect, flags, format, lockeddata);
 107
 108     if(!lockeddata || !bitmap)
 109         return InvalidParameter;
 110
 111     if(rect){
 112         if(rect->X < 0 || rect->Y < 0 || (rect->X + rect->Width > bitmap->width) ||
 113           (rect->Y + rect->Height > bitmap->height) || !flags)
 114             return InvalidParameter;
 115
 116         act_rect = *rect;
 117     }
 118     else{
 119         act_rect.X = act_rect.Y = 0;
 120         act_rect.Width  = bitmap->width;
 121         act_rect.Height = bitmap->height;
 122     }
 123
 124     if(flags & ImageLockModeUserInputBuf)
 125         return NotImplemented;
 126
 127     if(bitmap->lockmode)
 128         return WrongState;
 129
 130     IPicture_get_Handle(bitmap->image.picture, (OLE_HANDLE*)&hbm);
 131     IPicture_get_CurDC(bitmap->image.picture, &hdc);
 132     bm_is_selected = (hdc != 0);
 133
 134     pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
 135     if (!pbmi)
 136         return OutOfMemory;
 137     pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 138     pbmi->bmiHeader.biBitCount = 0;
 139
 140     if(!bm_is_selected){
 141         hdc = CreateCompatibleDC(0);
 142         old = SelectObject(hdc, hbm);
 143     }
 144
 145     /* fill out bmi */
 146     GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
 147
 148     abs_height = abs(pbmi->bmiHeader.biHeight);
 149     stride = pbmi->bmiHeader.biWidth * bitspp / 8;
 150     stride = (stride + 3) & ~3;
 151
 152     buff = GdipAlloc(stride * abs_height);
 153
 154     pbmi->bmiHeader.biBitCount = bitspp;
 155
 156     if(buff)
 157         GetDIBits(hdc, hbm, 0, abs_height, buff, pbmi, DIB_RGB_COLORS);
 158
 159     if(!bm_is_selected){
 160         SelectObject(hdc, old);
 161         DeleteDC(hdc);
 162     }
 163
 164     if(!buff){
 165         GdipFree(pbmi);
 166         return OutOfMemory;
 167     }
 168
 169     lockeddata->Width  = act_rect.Width;
 170     lockeddata->Height = act_rect.Height;
 171     lockeddata->PixelFormat = format;
 172     lockeddata->Reserved = flags;
 173
 174     if(pbmi->bmiHeader.biHeight > 0){
 175         lockeddata->Stride = -stride;
 176         lockeddata->Scan0  = buff + (bitspp / 8) * act_rect.X +
 177                              stride * (abs_height - 1 - act_rect.Y);
 178     }
 179     else{
 180         lockeddata->Stride = stride;
 181         lockeddata->Scan0  = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
 182     }
 183
 184     bitmap->lockmode = flags;
 185     bitmap->numlocks++;
 186
 187     bitmap->bitmapbits = buff;
 188
 189     GdipFree(pbmi);
 190     return Ok;
 191 }
 192
 193 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
 194     BitmapData* lockeddata)
 195 {
 196     HDC hdc;
 197     HBITMAP hbm, old = NULL;
 198     BOOL bm_is_selected;
 199     BITMAPINFO *pbmi;
 200
 201     if(!bitmap || !lockeddata)
 202         return InvalidParameter;
 203
 204     if(!bitmap->lockmode)
 205         return WrongState;
 206
 207     if(lockeddata->Reserved & ImageLockModeUserInputBuf)
 208         return NotImplemented;
 209
 210     if(lockeddata->Reserved & ImageLockModeRead){
 211         if(!(--bitmap->numlocks))
 212             bitmap->lockmode = 0;
 213
 214         GdipFree(bitmap->bitmapbits);
 215         bitmap->bitmapbits = NULL;
 216         return Ok;
 217     }
 218
 219     IPicture_get_Handle(bitmap->image.picture, (OLE_HANDLE*)&hbm);
 220     IPicture_get_CurDC(bitmap->image.picture, &hdc);
 221     bm_is_selected = (hdc != 0);
 222
 223     pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
 224     pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 225     pbmi->bmiHeader.biBitCount = 0;
 226
 227     if(!bm_is_selected){
 228         hdc = CreateCompatibleDC(0);
 229         old = SelectObject(hdc, hbm);
 230     }
 231
 232     GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
 233     pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(lockeddata->PixelFormat);
 234     SetDIBits(hdc, hbm, 0, abs(pbmi->bmiHeader.biHeight),
 235               bitmap->bitmapbits, pbmi, DIB_RGB_COLORS);
 236
 237     if(!bm_is_selected){
 238         SelectObject(hdc, old);
 239         DeleteDC(hdc);
 240     }
 241
 242     GdipFree(pbmi);
 243     GdipFree(bitmap->bitmapbits);
 244     bitmap->bitmapbits = NULL;
 245     bitmap->lockmode = 0;
 246
 247     return Ok;
 248 }
 249
 250 GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
 251 {
 252     IStream* stream;
 253     HRESULT hr;
 254     INT size;
 255     LARGE_INTEGER move;
 256     GpStatus stat = GenericError;
 257
 258     TRACE("%p, %p\n", image, cloneImage);
 259
 260     if (!image || !cloneImage)
 261         return InvalidParameter;
 262
 263     hr = CreateStreamOnHGlobal(0, TRUE, &stream);
 264     if (FAILED(hr))
 265         return GenericError;
 266
 267     hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
 268     if(FAILED(hr))
 269     {
 270         WARN("Failed to save image on stream\n");
 271         goto out;
 272     }
 273
 274     /* Set seek pointer back to the beginning of the picture */
 275     move.QuadPart = 0;
 276     hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL);
 277     if (FAILED(hr))
 278         goto out;
 279
 280     stat = GdipLoadImageFromStream(stream, cloneImage);
 281     if (stat != Ok) WARN("Failed to load image from stream\n");
 282
 283 out:
 284     IStream_Release(stream);
 285     return stat;
 286 }
 287
 288 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
 289     GpBitmap **bitmap)
 290 {
 291     GpStatus stat;
 292     IStream *stream;
 293
 294     TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
 295
 296     if(!filename || !bitmap)
 297         return InvalidParameter;
 298
 299     stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
 300
 301     if(stat != Ok)
 302         return stat;
 303
 304     stat = GdipCreateBitmapFromStream(stream, bitmap);
 305
 306     IStream_Release(stream);
 307
 308     return stat;
 309 }
 310
 311 GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
 312                                                VOID *bits, GpBitmap **bitmap)
 313 {
 314     DWORD height, stride;
 315     PixelFormat format;
 316
 317     FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
 318
 319     height = abs(info->bmiHeader.biHeight);
 320     stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
 321
 322     if(info->bmiHeader.biHeight > 0) /* bottom-up */
 323     {
 324         bits = (BYTE*)bits + (height - 1) * stride;
 325         stride = -stride;
 326     }
 327
 328     switch(info->bmiHeader.biBitCount) {
 329     case 1:
 330         format = PixelFormat1bppIndexed;
 331         break;
 332     case 4:
 333         format = PixelFormat4bppIndexed;
 334         break;
 335     case 8:
 336         format = PixelFormat8bppIndexed;
 337         break;
 338     case 24:
 339         format = PixelFormat24bppRGB;
 340         break;
 341     default:
 342         FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
 343         *bitmap = NULL;
 344         return InvalidParameter;
 345     }
 346
 347     return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
 348                                      bits, bitmap);
 349
 350 }
 351
 352 /* FIXME: no icm */
 353 GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
 354     GpBitmap **bitmap)
 355 {
 356     TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
 357
 358     return GdipCreateBitmapFromFile(filename, bitmap);
 359 }
 360
 361 GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
 362     GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
 363 {
 364     HBITMAP hbm;
 365     GpStatus stat = InvalidParameter;
 366
 367     TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
 368
 369     if(!lpBitmapName || !bitmap)
 370         return InvalidParameter;
 371
 372     /* load DIB */
 373     hbm = LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0,
 374                      LR_CREATEDIBSECTION);
 375
 376     if(hbm){
 377         stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
 378         DeleteObject(hbm);
 379     }
 380
 381     return stat;
 382 }
 383
 384 GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
 385     HBITMAP* hbmReturn, ARGB background)
 386 {
 387     FIXME("stub\n");
 388
 389     hbmReturn = NULL;
 390
 391     return NotImplemented;
 392 }
 393
 394 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
 395     GpMetafile* metafile, BOOL* succ, EmfType emfType,
 396     const WCHAR* description, GpMetafile** out_metafile)
 397 {
 398     static int calls;
 399
 400     if(!ref || !metafile || !out_metafile)
 401         return InvalidParameter;
 402
 403     *succ = FALSE;
 404     *out_metafile = NULL;
 405
 406     if(!(calls++))
 407         FIXME("not implemented\n");
 408
 409     return NotImplemented;
 410 }
 411
 412 /* FIXME: this should create a bitmap in the given size with the attributes
 413  * (resolution etc.) of the graphics object */
 414 GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
 415     GpGraphics* target, GpBitmap** bitmap)
 416 {
 417     static int calls;
 418     GpStatus ret;
 419
 420     if(!target || !bitmap)
 421         return InvalidParameter;
 422
 423     if(!(calls++))
 424         FIXME("hacked stub\n");
 425
 426     ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
 427                                     NULL, bitmap);
 428
 429     return ret;
 430 }
 431
 432 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
 433     PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
 434 {
 435     BITMAPFILEHEADER *bmfh;
 436     BITMAPINFOHEADER *bmih;
 437     BYTE *buff;
 438     INT datalen, size;
 439     IStream *stream;
 440
 441     TRACE("%d %d %d %d %p %p\n", width, height, stride, format, scan0, bitmap);
 442
 443     if (!bitmap) return InvalidParameter;
 444
 445     if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
 446         *bitmap = NULL;
 447         return InvalidParameter;
 448     }
 449
 450     if(scan0 && !stride)
 451         return InvalidParameter;
 452
 453     /* FIXME: windows allows negative stride (reads backwards from scan0) */
 454     if(stride < 0){
 455         FIXME("negative stride\n");
 456         return InvalidParameter;
 457     }
 458
 459     *bitmap = GdipAlloc(sizeof(GpBitmap));
 460     if(!*bitmap)    return OutOfMemory;
 461
 462     if(stride == 0){
 463         stride = width * (PIXELFORMATBPP(format) / 8);
 464         stride = (stride + 3) & ~3;
 465     }
 466
 467     datalen = abs(stride * height);
 468     size = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + datalen;
 469     buff = GdipAlloc(size);
 470     if(!buff){
 471         GdipFree(*bitmap);
 472         return OutOfMemory;
 473     }
 474
 475     bmfh = (BITMAPFILEHEADER*) buff;
 476     bmih = (BITMAPINFOHEADER*) (bmfh + 1);
 477
 478     bmfh->bfType    = (((WORD)'M') << 8) + (WORD)'B';
 479     bmfh->bfSize    = size;
 480     bmfh->bfOffBits = size - datalen;
 481
 482     bmih->biSize            = sizeof(BITMAPINFOHEADER);
 483     bmih->biWidth           = width;
 484     bmih->biHeight          = -height;
 485     /* FIXME: use the rest of the data from format */
 486     bmih->biBitCount        = PIXELFORMATBPP(format);
 487     bmih->biCompression     = BI_RGB;
 488     bmih->biSizeImage       = datalen;
 489
 490     if(scan0)
 491         memcpy(bmih + 1, scan0, datalen);
 492     else
 493         memset(bmih + 1, 0, datalen);
 494
 495     if(CreateStreamOnHGlobal(buff, TRUE, &stream) != S_OK){
 496         ERR("could not make stream\n");
 497         GdipFree(*bitmap);
 498         GdipFree(buff);
 499         return GenericError;
 500     }
 501
 502     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
 503         (LPVOID*) &((*bitmap)->image.picture)) != S_OK){
 504         TRACE("Could not load picture\n");
 505         IStream_Release(stream);
 506         GdipFree(*bitmap);
 507         GdipFree(buff);
 508         return GenericError;
 509     }
 510
 511     (*bitmap)->image.type = ImageTypeBitmap;
 512     (*bitmap)->image.flags = ImageFlagsNone;
 513     (*bitmap)->width = width;
 514     (*bitmap)->height = height;
 515     (*bitmap)->format = format;
 516
 517     return Ok;
 518 }
 519
 520 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
 521     GpBitmap **bitmap)
 522 {
 523     GpStatus stat;
 524
 525     TRACE("%p %p\n", stream, bitmap);
 526
 527     stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
 528
 529     if(stat != Ok)
 530         return stat;
 531
 532     if((*bitmap)->image.type != ImageTypeBitmap){
 533         IPicture_Release((*bitmap)->image.picture);
 534         GdipFree(bitmap);
 535         return GenericError; /* FIXME: what error to return? */
 536     }
 537
 538     return Ok;
 539 }
 540
 541 /* FIXME: no icm */
 542 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
 543     GpBitmap **bitmap)
 544 {
 545     TRACE("%p %p\n", stream, bitmap);
 546
 547     return GdipCreateBitmapFromStream(stream, bitmap);
 548 }
 549
 550 GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
 551     GpCachedBitmap **cachedbmp)
 552 {
 553     GpStatus stat;
 554
 555     TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
 556
 557     if(!bitmap || !graphics || !cachedbmp)
 558         return InvalidParameter;
 559
 560     *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
 561     if(!*cachedbmp)
 562         return OutOfMemory;
 563
 564     stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
 565     if(stat != Ok){
 566         GdipFree(*cachedbmp);
 567         return stat;
 568     }
 569
 570     return Ok;
 571 }
 572
 573 GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
 574 {
 575     TRACE("%p\n", cachedbmp);
 576
 577     if(!cachedbmp)
 578         return InvalidParameter;
 579
 580     GdipDisposeImage(cachedbmp->image);
 581     GdipFree(cachedbmp);
 582
 583     return Ok;
 584 }
 585
 586 GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
 587     GpCachedBitmap *cachedbmp, INT x, INT y)
 588 {
 589     TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
 590
 591     if(!graphics || !cachedbmp)
 592         return InvalidParameter;
 593
 594     return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
 595 }
 596
 597 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
 598 {
 599     HDC hdc;
 600
 601     TRACE("%p\n", image);
 602
 603     if(!image)
 604         return InvalidParameter;
 605
 606     IPicture_get_CurDC(image->picture, &hdc);
 607     DeleteDC(hdc);
 608     IPicture_Release(image->picture);
 609     if (image->type == ImageTypeBitmap)
 610         GdipFree(((GpBitmap*)image)->bitmapbits);
 611     GdipFree(image);
 612
 613     return Ok;
 614 }
 615
 616 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
 617 {
 618     if(!image || !item)
 619         return InvalidParameter;
 620
 621     return NotImplemented;
 622 }
 623
 624 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
 625     GpUnit *srcUnit)
 626 {
 627     TRACE("%p %p %p\n", image, srcRect, srcUnit);
 628
 629     if(!image || !srcRect || !srcUnit)
 630         return InvalidParameter;
 631     if(image->type == ImageTypeMetafile){
 632         *srcRect = ((GpMetafile*)image)->bounds;
 633         *srcUnit = ((GpMetafile*)image)->unit;
 634     }
 635     else if(image->type == ImageTypeBitmap){
 636         srcRect->X = srcRect->Y = 0.0;
 637         srcRect->Width = (REAL) ((GpBitmap*)image)->width;
 638         srcRect->Height = (REAL) ((GpBitmap*)image)->height;
 639         *srcUnit = UnitPixel;
 640     }
 641     else{
 642         srcRect->X = srcRect->Y = 0.0;
 643         srcRect->Width = ipicture_pixel_width(image->picture);
 644         srcRect->Height = ipicture_pixel_height(image->picture);
 645         *srcUnit = UnitPixel;
 646     }
 647
 648     TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
 649           srcRect->Width, srcRect->Height, *srcUnit);
 650
 651     return Ok;
 652 }
 653
 654 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
 655     REAL *height)
 656 {
 657     TRACE("%p %p %p\n", image, width, height);
 658
 659     if(!image || !height || !width)
 660         return InvalidParameter;
 661
 662     if(image->type == ImageTypeMetafile){
 663         HDC hdc = GetDC(0);
 664
 665         *height = convert_unit(hdc, ((GpMetafile*)image)->unit) *
 666                         ((GpMetafile*)image)->bounds.Height;
 667
 668         *width = convert_unit(hdc, ((GpMetafile*)image)->unit) *
 669                         ((GpMetafile*)image)->bounds.Width;
 670
 671         ReleaseDC(0, hdc);
 672     }
 673
 674     else if(image->type == ImageTypeBitmap){
 675         *height = ((GpBitmap*)image)->height;
 676         *width = ((GpBitmap*)image)->width;
 677     }
 678     else{
 679         *height = ipicture_pixel_height(image->picture);
 680         *width = ipicture_pixel_width(image->picture);
 681     }
 682
 683     TRACE("returning (%f, %f)\n", *height, *width);
 684     return Ok;
 685 }
 686
 687 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
 688     GpGraphics **graphics)
 689 {
 690     HDC hdc;
 691
 692     TRACE("%p %p\n", image, graphics);
 693
 694     if(!image || !graphics)
 695         return InvalidParameter;
 696
 697     if(image->type != ImageTypeBitmap){
 698         FIXME("not implemented for image type %d\n", image->type);
 699         return NotImplemented;
 700     }
 701
 702     IPicture_get_CurDC(image->picture, &hdc);
 703
 704     if(!hdc){
 705         hdc = CreateCompatibleDC(0);
 706         IPicture_SelectPicture(image->picture, hdc, NULL, NULL);
 707     }
 708
 709     return GdipCreateFromHDC(hdc, graphics);
 710 }
 711
 712 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
 713 {
 714     TRACE("%p %p\n", image, height);
 715
 716     if(!image || !height)
 717         return InvalidParameter;
 718
 719     if(image->type == ImageTypeMetafile){
 720         HDC hdc = GetDC(0);
 721
 722         *height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
 723                         ((GpMetafile*)image)->bounds.Height);
 724
 725         ReleaseDC(0, hdc);
 726     }
 727     else if(image->type == ImageTypeBitmap)
 728         *height = ((GpBitmap*)image)->height;
 729     else
 730         *height = ipicture_pixel_height(image->picture);
 731
 732     TRACE("returning %d\n", *height);
 733
 734     return Ok;
 735 }
 736
 737 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
 738 {
 739     static int calls;
 740
 741     if(!image || !res)
 742         return InvalidParameter;
 743
 744     if(!(calls++))
 745         FIXME("not implemented\n");
 746
 747     return NotImplemented;
 748 }
 749
 750 GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
 751 {
 752     FIXME("%p %p\n", image, size);
 753
 754     if(!image || !size)
 755         return InvalidParameter;
 756
 757     return NotImplemented;
 758 }
 759
 760 /* FIXME: test this function for non-bitmap types */
 761 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
 762 {
 763     TRACE("%p %p\n", image, format);
 764
 765     if(!image || !format)
 766         return InvalidParameter;
 767
 768     if(image->type != ImageTypeBitmap)
 769         *format = PixelFormat24bppRGB;
 770     else
 771         *format = ((GpBitmap*) image)->format;
 772
 773     return Ok;
 774 }
 775
 776 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
 777 {
 778     static int calls;
 779
 780     if(!image || !format)
 781         return InvalidParameter;
 782
 783     if(!(calls++))
 784         FIXME("stub\n");
 785
 786     /* FIXME: should be detected from embedded picture or stored separately */
 787     switch (image->type)
 788     {
 789     case ImageTypeBitmap:   *format = ImageFormatBMP; break;
 790     case ImageTypeMetafile: *format = ImageFormatEMF; break;
 791     default:
 792         WARN("unknown type %u\n", image->type);
 793         *format = ImageFormatUndefined;
 794     }
 795     return Ok;
 796 }
 797
 798 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
 799 {
 800     TRACE("%p %p\n", image, type);
 801
 802     if(!image || !type)
 803         return InvalidParameter;
 804
 805     *type = image->type;
 806
 807     return Ok;
 808 }
 809
 810 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
 811 {
 812     static int calls;
 813
 814     if(!image || !res)
 815         return InvalidParameter;
 816
 817     if(!(calls++))
 818         FIXME("not implemented\n");
 819
 820     return NotImplemented;
 821 }
 822
 823 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
 824 {
 825     TRACE("%p %p\n", image, width);
 826
 827     if(!image || !width)
 828         return InvalidParameter;
 829
 830     if(image->type == ImageTypeMetafile){
 831         HDC hdc = GetDC(0);
 832
 833         *width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
 834                         ((GpMetafile*)image)->bounds.Width);
 835
 836         ReleaseDC(0, hdc);
 837     }
 838     else if(image->type == ImageTypeBitmap)
 839         *width = ((GpBitmap*)image)->width;
 840     else
 841         *width = ipicture_pixel_width(image->picture);
 842
 843     TRACE("returning %d\n", *width);
 844
 845     return Ok;
 846 }
 847
 848 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
 849     MetafileHeader * header)
 850 {
 851     static int calls;
 852
 853     if(!metafile || !header)
 854         return InvalidParameter;
 855
 856     if(!(calls++))
 857         FIXME("not implemented\n");
 858
 859     return Ok;
 860 }
 861
 862 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
 863     UINT num, PropertyItem* items)
 864 {
 865     static int calls;
 866
 867     if(!(calls++))
 868         FIXME("not implemented\n");
 869
 870     return InvalidParameter;
 871 }
 872
 873 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
 874 {
 875     static int calls;
 876
 877     if(!(calls++))
 878         FIXME("not implemented\n");
 879
 880     return InvalidParameter;
 881 }
 882
 883 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
 884 {
 885     static int calls;
 886
 887     if(!(calls++))
 888         FIXME("not implemented\n");
 889
 890     return InvalidParameter;
 891 }
 892
 893 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
 894     PropertyItem* buffer)
 895 {
 896     static int calls;
 897
 898     if(!(calls++))
 899         FIXME("not implemented\n");
 900
 901     return InvalidParameter;
 902 }
 903
 904 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
 905     UINT* size)
 906 {
 907     static int calls;
 908
 909     TRACE("%p %x %p\n", image, pid, size);
 910
 911     if(!size || !image)
 912         return InvalidParameter;
 913
 914     if(!(calls++))
 915         FIXME("not implemented\n");
 916
 917     return NotImplemented;
 918 }
 919
 920 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
 921 {
 922     static int calls;
 923
 924     if(!(calls++))
 925         FIXME("not implemented\n");
 926
 927     return InvalidParameter;
 928 }
 929
 930 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
 931     GDIPCONST GUID* dimensionID, UINT* count)
 932 {
 933     static int calls;
 934
 935     if(!image || !dimensionID || !count)
 936         return InvalidParameter;
 937
 938     if(!(calls++))
 939         FIXME("not implemented\n");
 940
 941     return NotImplemented;
 942 }
 943
 944 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
 945     UINT* count)
 946 {
 947     if(!image || !count)
 948         return InvalidParameter;
 949
 950     *count = 1;
 951
 952     FIXME("stub\n");
 953
 954     return Ok;
 955 }
 956
 957 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
 958     GUID* dimensionIDs, UINT count)
 959 {
 960     static int calls;
 961
 962     if(!image || !dimensionIDs)
 963         return InvalidParameter;
 964
 965     if(!(calls++))
 966         FIXME("not implemented\n");
 967
 968     return Ok;
 969 }
 970
 971 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
 972     GDIPCONST GUID* dimensionID, UINT frameidx)
 973 {
 974     static int calls;
 975
 976     if(!image || !dimensionID)
 977         return InvalidParameter;
 978
 979     if(!(calls++))
 980         FIXME("not implemented\n");
 981
 982     return Ok;
 983 }
 984
 985 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
 986                                           GpImage **image)
 987 {
 988     GpStatus stat;
 989     IStream *stream;
 990
 991     TRACE("(%s) %p\n", debugstr_w(filename), image);
 992
 993     if (!filename || !image)
 994         return InvalidParameter;
 995
 996     stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
 997
 998     if (stat != Ok)
 999         return stat;
1000
1001     stat = GdipLoadImageFromStream(stream, image);
1002
1003     IStream_Release(stream);
1004
1005     return stat;
1006 }
1007
1008 /* FIXME: no icm handling */
1009 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
1010 {
1011     TRACE("(%s) %p\n", debugstr_w(filename), image);
1012
1013     return GdipLoadImageFromFile(filename, image);
1014 }
1015
1016 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
1017 {
1018     IPicture *pic;
1019     short type;
1020
1021     TRACE("%p %p\n", stream, image);
1022
1023     if(!stream || !image)
1024         return InvalidParameter;
1025
1026     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1027         (LPVOID*) &pic) != S_OK){
1028         TRACE("Could not load picture\n");
1029         return GenericError;
1030     }
1031
1032     IPicture_get_Type(pic, &type);
1033
1034     if(type == PICTYPE_BITMAP){
1035         BITMAPINFO *pbmi;
1036         BITMAPCOREHEADER* bmch;
1037         HBITMAP hbm;
1038         HDC hdc;
1039
1040         pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1041         if (!pbmi)
1042             return OutOfMemory;
1043         *image = GdipAlloc(sizeof(GpBitmap));
1044         if(!*image){
1045             GdipFree(pbmi);
1046             return OutOfMemory;
1047         }
1048         (*image)->type = ImageTypeBitmap;
1049
1050         (*((GpBitmap**) image))->width = ipicture_pixel_width(pic);
1051         (*((GpBitmap**) image))->height = ipicture_pixel_height(pic);
1052
1053         /* get the pixel format */
1054         IPicture_get_Handle(pic, (OLE_HANDLE*)&hbm);
1055         IPicture_get_CurDC(pic, &hdc);
1056
1057         bmch = (BITMAPCOREHEADER*) (&pbmi->bmiHeader);
1058         bmch->bcSize = sizeof(BITMAPCOREHEADER);
1059
1060         if(!hdc){
1061             HBITMAP old;
1062             hdc = CreateCompatibleDC(0);
1063             old = SelectObject(hdc, hbm);
1064             GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
1065             SelectObject(hdc, old);
1066             DeleteDC(hdc);
1067         }
1068         else
1069             GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
1070
1071         (*((GpBitmap**) image))->format = (bmch->bcBitCount << 8) | PixelFormatGDI;
1072         GdipFree(pbmi);
1073     }
1074     else if(type == PICTYPE_METAFILE || type == PICTYPE_ENHMETAFILE){
1075         /* FIXME: missing initialization code */
1076         *image = GdipAlloc(sizeof(GpMetafile));
1077         if(!*image) return OutOfMemory;
1078         (*image)->type = ImageTypeMetafile;
1079     }
1080     else{
1081         *image = GdipAlloc(sizeof(GpImage));
1082         if(!*image) return OutOfMemory;
1083         (*image)->type = ImageTypeUnknown;
1084     }
1085
1086     (*image)->picture = pic;
1087     (*image)->flags   = ImageFlagsNone;
1088
1089     return Ok;
1090 }
1091
1092 /* FIXME: no ICM */
1093 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
1094 {
1095     TRACE("%p %p\n", stream, image);
1096
1097     return GdipLoadImageFromStream(stream, image);
1098 }
1099
1100 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
1101 {
1102     static int calls;
1103
1104     if(!image)
1105         return InvalidParameter;
1106
1107     if(!(calls++))
1108         FIXME("not implemented\n");
1109
1110     return NotImplemented;
1111 }
1112
1113 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
1114 {
1115     static int calls;
1116
1117     if(!(calls++))
1118         FIXME("not implemented\n");
1119
1120     return NotImplemented;
1121 }
1122
1123 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
1124                                         GDIPCONST CLSID *clsidEncoder,
1125                                         GDIPCONST EncoderParameters *encoderParams)
1126 {
1127     GpStatus stat;
1128     IStream *stream;
1129
1130     TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
1131
1132     if (!image || !filename|| !clsidEncoder)
1133         return InvalidParameter;
1134
1135     if (!(image->picture))
1136         return InvalidParameter;
1137
1138     stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
1139     if (stat != Ok)
1140         return GenericError;
1141
1142     stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
1143
1144     IStream_Release(stream);
1145     return stat;
1146 }
1147
1148 /*************************************************************************
1149  * Encoding functions -
1150  *   These functions encode an image in different image file formats.
1151  */
1152 #define BITMAP_FORMAT_BMP   0x4d42 /* "BM" */
1153 #define BITMAP_FORMAT_JPEG  0xd8ff
1154 #define BITMAP_FORMAT_GIF   0x4947
1155 #define BITMAP_FORMAT_PNG   0x5089
1156 #define BITMAP_FORMAT_APM   0xcdd7
1157
1158 static GpStatus encode_image_BMP(LPVOID bitmap_bits, LPBITMAPINFO bitmap_info,
1159                                  void **output, unsigned int *output_size)
1160 {
1161     int num_palette_entries;
1162     BITMAPFILEHEADER *bmp_file_hdr;
1163     BITMAPINFO *bmp_info_hdr;
1164
1165     if (bitmap_info->bmiHeader.biClrUsed) {
1166         num_palette_entries = bitmap_info->bmiHeader.biClrUsed;
1167         if (num_palette_entries > 256) num_palette_entries = 256;
1168     } else {
1169         if (bitmap_info->bmiHeader.biBitCount <= 8)
1170             num_palette_entries = 1 << bitmap_info->bmiHeader.biBitCount;
1171         else
1172             num_palette_entries = 0;
1173     }
1174
1175     *output_size =
1176         sizeof(BITMAPFILEHEADER) +
1177         sizeof(BITMAPINFOHEADER) +
1178         num_palette_entries * sizeof(RGBQUAD) +
1179         bitmap_info->bmiHeader.biSizeImage;
1180
1181     *output = GdipAlloc(*output_size);
1182
1183     bmp_file_hdr = (BITMAPFILEHEADER*) *output;
1184     bmp_file_hdr->bfType = BITMAP_FORMAT_BMP;
1185     bmp_file_hdr->bfSize = *output_size;
1186     bmp_file_hdr->bfOffBits =
1187         sizeof(BITMAPFILEHEADER) +
1188         sizeof(BITMAPINFOHEADER) +
1189         num_palette_entries * sizeof (RGBQUAD);
1190
1191     bmp_info_hdr = (BITMAPINFO*) ((unsigned char*)(*output) + sizeof(BITMAPFILEHEADER));
1192     memcpy(bmp_info_hdr, bitmap_info, sizeof(BITMAPINFOHEADER) + num_palette_entries * sizeof(RGBQUAD));
1193     memcpy((unsigned char *)(*output) +
1194            sizeof(BITMAPFILEHEADER) +
1195            sizeof(BITMAPINFOHEADER) +
1196            num_palette_entries * sizeof(RGBQUAD),
1197            bitmap_bits, bitmap_info->bmiHeader.biSizeImage);
1198
1199     return Ok;
1200 }
1201
1202 typedef GpStatus encode_image_func(LPVOID bitmap_bits, LPBITMAPINFO bitmap_info,
1203                                    void **output, unsigned int *output_size);
1204
1205 typedef enum {
1206     BMP,
1207     NUM_ENCODERS_SUPPORTED
1208 } ImageFormat;
1209
1210 static const ImageCodecInfo codecs[NUM_ENCODERS_SUPPORTED];
1211 static encode_image_func *const encode_image_funcs[NUM_ENCODERS_SUPPORTED] = {
1212     encode_image_BMP,
1213 };
1214
1215 /*****************************************************************************
1216  * GdipSaveImageToStream [GDIPLUS.@]
1217  */
1218 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
1219     GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
1220 {
1221     GpStatus stat;
1222     HRESULT hr;
1223     short type;
1224     HBITMAP hbmp;
1225     HBITMAP old_hbmp;
1226     HDC hdc;
1227     int bm_is_selected;
1228     BITMAPINFO bmp_info;
1229     LPVOID bmp_bits;
1230     encode_image_func* encode_image;
1231     LPVOID output;
1232     unsigned int output_size;
1233     unsigned int dummy;
1234     int i;
1235
1236     old_hbmp = 0;
1237     output = NULL;
1238     output_size = 0;
1239
1240     TRACE("%p %p %p %p\n", image, stream, clsid, params);
1241
1242     if(!image || !stream)
1243         return InvalidParameter;
1244
1245     if (!image->picture)
1246         return GenericError;
1247
1248     hr = IPicture_get_Type(image->picture, &type);
1249     if (FAILED(hr) || type != PICTYPE_BITMAP)
1250         return GenericError;
1251
1252     /* select correct encoder */
1253     encode_image = NULL;
1254     for (i = 0; i < NUM_ENCODERS_SUPPORTED; i++) {
1255         if (IsEqualCLSID(clsid, &codecs[i].Clsid))
1256             encode_image = encode_image_funcs[i];
1257     }
1258     if (encode_image == NULL)
1259         return UnknownImageFormat;
1260
1261     /* extract underlying hbitmap representation from the IPicture */
1262     hr = IPicture_get_Handle(image->picture, (OLE_HANDLE*)&hbmp);
1263     if (FAILED(hr) || !hbmp)
1264         return GenericError;
1265     hr = IPicture_get_CurDC(image->picture, &hdc);
1266     if (FAILED(hr))
1267         return GenericError;
1268     bm_is_selected = (hdc != 0);
1269     if (!bm_is_selected) {
1270         hdc = CreateCompatibleDC(0);
1271         old_hbmp = SelectObject(hdc, hbmp);
1272     }
1273
1274     /* get bits from HBITMAP */
1275     bmp_info.bmiHeader.biSize = sizeof(bmp_info.bmiHeader);
1276     bmp_info.bmiHeader.biBitCount = 0;
1277     GetDIBits(hdc, hbmp, 0, 0, NULL, &bmp_info, DIB_RGB_COLORS);
1278
1279     bmp_bits = GdipAlloc(bmp_info.bmiHeader.biSizeImage);
1280
1281     if (bmp_bits)
1282         GetDIBits(hdc, hbmp, 0, abs(bmp_info.bmiHeader.biHeight), bmp_bits, &bmp_info, DIB_RGB_COLORS);
1283
1284     if (!bm_is_selected) {
1285         SelectObject(hdc, old_hbmp);
1286         DeleteDC(hdc);
1287     }
1288
1289     if (!bmp_bits)
1290         return OutOfMemory;
1291
1292     stat = encode_image(bmp_bits, &bmp_info, &output, &output_size);
1293     if (stat == Ok)
1294         IStream_Write(stream, output, output_size, &dummy);
1295
1296     GdipFree(output);
1297     GdipFree(bmp_bits);
1298
1299     return stat;
1300 }
1301
1302 /*****************************************************************************
1303  * GdipSetImagePalette [GDIPLUS.@]
1304  */
1305 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
1306     GDIPCONST ColorPalette *palette)
1307 {
1308     static int calls;
1309
1310     if(!image || !palette)
1311         return InvalidParameter;
1312
1313     if(!(calls++))
1314         FIXME("not implemented\n");
1315
1316     return NotImplemented;
1317 }
1318
1319 /*************************************************************************
1320  * Encoders -
1321  *   Structures that represent which formats we support for encoding.
1322  */
1323
1324 /* ImageCodecInfo creation routines taken from libgdiplus */
1325 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
1326 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
1327 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
1328 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
1329 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
1330 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
1331
1332 static const ImageCodecInfo codecs[NUM_ENCODERS_SUPPORTED] =
1333     {
1334         { /* BMP */
1335             /* Clsid */              { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
1336             /* FormatID */           { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
1337             /* CodecName */          bmp_codecname,
1338             /* DllName */            NULL,
1339             /* FormatDescription */  bmp_format,
1340             /* FilenameExtension */  bmp_extension,
1341             /* MimeType */           bmp_mimetype,
1342             /* Flags */              ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
1343             /* Version */            1,
1344             /* SigCount */           1,
1345             /* SigSize */            2,
1346             /* SigPattern */         bmp_sig_pattern,
1347             /* SigMask */            bmp_sig_mask,
1348         },
1349     };
1350
1351 /*****************************************************************************
1352  * GdipGetImageDecodersSize [GDIPLUS.@]
1353  */
1354 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
1355 {
1356     FIXME("%p %p stub!\n", numDecoders, size);
1357
1358     if (!numDecoders || !size)
1359         return InvalidParameter;
1360
1361     *numDecoders = 0;
1362     *size = 0;
1363
1364     return Ok;
1365 }
1366
1367 /*****************************************************************************
1368  * GdipGetImageDecoders [GDIPLUS.@]
1369  */
1370 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
1371 {
1372     FIXME("%u %u %p stub!\n", numDecoders, size, decoders);
1373
1374     if (!decoders)
1375         return GenericError;
1376
1377     return NotImplemented;
1378 }
1379
1380 /*****************************************************************************
1381  * GdipGetImageEncodersSize [GDIPLUS.@]
1382  */
1383 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
1384 {
1385     TRACE("%p %p\n", numEncoders, size);
1386
1387     if (!numEncoders || !size)
1388         return InvalidParameter;
1389
1390     *numEncoders = NUM_ENCODERS_SUPPORTED;
1391     *size = sizeof (codecs);
1392
1393     return Ok;
1394 }
1395
1396 /*****************************************************************************
1397  * GdipGetImageEncoders [GDIPLUS.@]
1398  */
1399 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
1400 {
1401     TRACE("%u %u %p\n", numEncoders, size, encoders);
1402
1403     if (!encoders ||
1404         (numEncoders != NUM_ENCODERS_SUPPORTED) ||
1405         (size != sizeof (codecs)))
1406         return GenericError;
1407
1408     memcpy(encoders, codecs, sizeof (codecs));
1409
1410     return Ok;
1411 }
1412
1413 /*****************************************************************************
1414  * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
1415  */
1416 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
1417 {
1418     BITMAP bm;
1419     GpStatus retval;
1420     PixelFormat format;
1421
1422     TRACE("%p %p %p\n", hbm, hpal, bitmap);
1423
1424     if(!hbm || !bitmap)
1425         return InvalidParameter;
1426
1427     /* TODO: Support for device-dependent bitmaps */
1428     if(hpal){
1429         FIXME("no support for device-dependent bitmaps\n");
1430         return NotImplemented;
1431     }
1432
1433     if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
1434             return InvalidParameter;
1435
1436     /* TODO: Figure out the correct format for 16, 32, 64 bpp */
1437     switch(bm.bmBitsPixel) {
1438         case 1:
1439             format = PixelFormat1bppIndexed;
1440             break;
1441         case 4:
1442             format = PixelFormat4bppIndexed;
1443             break;
1444         case 8:
1445             format = PixelFormat8bppIndexed;
1446             break;
1447         case 24:
1448             format = PixelFormat24bppRGB;
1449             break;
1450         case 32:
1451             format = PixelFormat32bppRGB;
1452             break;
1453         case 48:
1454             format = PixelFormat48bppRGB;
1455             break;
1456         default:
1457             FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
1458             return InvalidParameter;
1459     }
1460
1461     retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, bm.bmWidthBytes,
1462         format, bm.bmBits, bitmap);
1463
1464     return retval;
1465 }
1466
1467 /*****************************************************************************
1468  * GdipSetEffectParameters [GDIPLUS.@]
1469  */
1470 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
1471     const VOID *params, const UINT size)
1472 {
1473     static int calls;
1474
1475     if(!(calls++))
1476         FIXME("not implemented\n");
1477
1478     return NotImplemented;
1479 }
1480
1481 /*****************************************************************************
1482  * GdipGetImageFlags [GDIPLUS.@]
1483  */
1484 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
1485 {
1486     TRACE("%p %p\n", image, flags);
1487
1488     if(!image || !flags)
1489         return InvalidParameter;
1490
1491     *flags = image->flags;
1492
1493     return Ok;
1494 }
1495
1496 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
1497 {
1498     TRACE("(%d, %p)\n", control, param);
1499
1500     switch(control){
1501         case TestControlForceBilinear:
1502             if(param)
1503                 FIXME("TestControlForceBilinear not handled\n");
1504             break;
1505         case TestControlNoICM:
1506             if(param)
1507                 FIXME("TestControlNoICM not handled\n");
1508             break;
1509         case TestControlGetBuildNumber:
1510             *((DWORD*)param) = 3102;
1511             break;
1512     }
1513
1514     return Ok;
1515 }
1516
1517 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
1518                             HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
1519                             MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
1520                             GpMetafile **metafile)
1521 {
1522     FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
1523                                  frameUnit, debugstr_w(desc), metafile);
1524
1525     return NotImplemented;
1526 }
1527
1528 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
1529                             GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
1530                             GDIPCONST WCHAR *desc, GpMetafile **metafile)
1531 {
1532     FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
1533                                  frameUnit, debugstr_w(desc), metafile);
1534
1535     return NotImplemented;
1536 }
1537
1538 GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
1539 {
1540     FIXME("%p\n", image);
1541
1542     return Ok;
1543 }