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 "gdiplus.h"
  32 #include "gdiplus_private.h"
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  36
  37 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
  38
  39 static INT ipicture_pixel_height(IPicture *pic)
  40 {
  41     HDC hdcref;
  42     OLE_YSIZE_HIMETRIC y;
  43
  44     IPicture_get_Height(pic, &y);
  45
  46     hdcref = GetDC(0);
  47
  48     y = (UINT)(((REAL)y) * ((REAL)GetDeviceCaps(hdcref, LOGPIXELSY)) /
  49               ((REAL)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 = (UINT)(((REAL)x) * ((REAL)GetDeviceCaps(hdcref, LOGPIXELSX)) /
  65               ((REAL)INCH_HIMETRIC));
  66
  67     ReleaseDC(0, hdcref);
  68
  69     return x;
  70 }
  71
  72 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
  73     ARGB *color)
  74 {
  75     static int calls;
  76     TRACE("%p %d %d %p\n", bitmap, x, y, color);
  77
  78     if(!bitmap || !color)
  79         return InvalidParameter;
  80
  81     if(!(calls++))
  82         FIXME("not implemented\n");
  83
  84     *color = 0xdeadbeef;
  85
  86     return NotImplemented;
  87 }
  88
  89 /* This function returns a pointer to an array of pixels that represents the
  90  * bitmap. The *entire* bitmap is locked according to the lock mode specified by
  91  * flags.  It is correct behavior that a user who calls this function with write
  92  * privileges can write to the whole bitmap (not just the area in rect).
  93  *
  94  * FIXME: only used portion of format is bits per pixel. */
  95 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
  96     UINT flags, PixelFormat format, BitmapData* lockeddata)
  97 {
  98     BOOL bm_is_selected;
  99     INT stride, bitspp = PIXELFORMATBPP(format);
 100     OLE_HANDLE hbm;
 101     HDC hdc;
 102     HBITMAP old = NULL;
 103     BITMAPINFO bmi;
 104     BYTE *buff = NULL;
 105     UINT abs_height;
 106
 107     TRACE("%p %p %d %d %p\n", bitmap, rect, flags, format, lockeddata);
 108
 109     if(!lockeddata || !bitmap || !rect)
 110         return InvalidParameter;
 111
 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     if(flags & ImageLockModeUserInputBuf)
 117         return NotImplemented;
 118
 119     if((bitmap->lockmode & ImageLockModeWrite) || (bitmap->lockmode &&
 120         (flags & ImageLockModeWrite)))
 121         return WrongState;
 122
 123     IPicture_get_Handle(bitmap->image.picture, &hbm);
 124     IPicture_get_CurDC(bitmap->image.picture, &hdc);
 125     bm_is_selected = (hdc != 0);
 126
 127     bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 128     bmi.bmiHeader.biBitCount = 0;
 129
 130     if(!bm_is_selected){
 131         hdc = CreateCompatibleDC(0);
 132         old = SelectObject(hdc, (HBITMAP)hbm);
 133     }
 134
 135     /* fill out bmi */
 136     GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
 137
 138     abs_height = abs(bmi.bmiHeader.biHeight);
 139     stride = bmi.bmiHeader.biWidth * bitspp / 8;
 140     stride = (stride + 3) & ~3;
 141
 142     buff = GdipAlloc(stride * abs_height);
 143
 144     bmi.bmiHeader.biBitCount = bitspp;
 145
 146     if(buff)
 147         GetDIBits(hdc, (HBITMAP)hbm, 0, abs_height, buff, &bmi, DIB_RGB_COLORS);
 148
 149     if(!bm_is_selected){
 150         SelectObject(hdc, old);
 151         DeleteDC(hdc);
 152     }
 153
 154     if(!buff)
 155         return OutOfMemory;
 156
 157     lockeddata->Width = rect->Width;
 158     lockeddata->Height = rect->Height;
 159     lockeddata->PixelFormat = format;
 160     lockeddata->Reserved = flags;
 161
 162     if(bmi.bmiHeader.biHeight > 0){
 163         lockeddata->Stride = -stride;
 164         lockeddata->Scan0 = buff + (bitspp / 8) * rect->X +
 165                             stride * (abs_height - 1 - rect->Y);
 166     }
 167     else{
 168         lockeddata->Stride = stride;
 169         lockeddata->Scan0 = buff + (bitspp / 8) * rect->X + stride * rect->Y;
 170     }
 171
 172     bitmap->lockmode = flags;
 173     bitmap->numlocks++;
 174
 175     if(flags & ImageLockModeWrite)
 176         bitmap->bitmapbits = buff;
 177
 178     return Ok;
 179 }
 180
 181 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
 182     BitmapData* lockeddata)
 183 {
 184     OLE_HANDLE hbm;
 185     HDC hdc;
 186     HBITMAP old = NULL;
 187     BOOL bm_is_selected;
 188     BITMAPINFO bmi;
 189
 190     if(!bitmap || !lockeddata)
 191         return InvalidParameter;
 192
 193     if(!bitmap->lockmode)
 194         return WrongState;
 195
 196     if(lockeddata->Reserved & ImageLockModeUserInputBuf)
 197         return NotImplemented;
 198
 199     if(lockeddata->Reserved & ImageLockModeRead){
 200         if(!(--bitmap->numlocks))
 201             bitmap->lockmode = 0;
 202
 203         GdipFree(lockeddata->Scan0);
 204         return Ok;
 205     }
 206
 207     IPicture_get_Handle(bitmap->image.picture, &hbm);
 208     IPicture_get_CurDC(bitmap->image.picture, &hdc);
 209     bm_is_selected = (hdc != 0);
 210
 211     bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 212     bmi.bmiHeader.biBitCount = 0;
 213
 214     if(!bm_is_selected){
 215         hdc = CreateCompatibleDC(0);
 216         old = SelectObject(hdc, (HBITMAP)hbm);
 217     }
 218
 219     GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
 220     bmi.bmiHeader.biBitCount = PIXELFORMATBPP(lockeddata->PixelFormat);
 221     SetDIBits(hdc, (HBITMAP)hbm, 0, abs(bmi.bmiHeader.biHeight),
 222               bitmap->bitmapbits, &bmi, DIB_RGB_COLORS);
 223
 224     if(!bm_is_selected){
 225         SelectObject(hdc, old);
 226         DeleteDC(hdc);
 227     }
 228
 229     GdipFree(bitmap->bitmapbits);
 230
 231     return Ok;
 232 }
 233
 234 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
 235     GpBitmap **bitmap)
 236 {
 237     GpStatus stat;
 238     IStream *stream;
 239
 240     if(!filename || !bitmap)
 241         return InvalidParameter;
 242
 243     stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
 244
 245     if(stat != Ok)
 246         return stat;
 247
 248     stat = GdipCreateBitmapFromStream(stream, bitmap);
 249
 250     if(!stat)
 251         IStream_Release(stream);
 252
 253     return stat;
 254 }
 255
 256 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
 257     GpMetafile* metafile, BOOL* succ, EmfType emfType,
 258     const WCHAR* description, GpMetafile** out_metafile)
 259 {
 260     static int calls;
 261
 262     if(!ref || !metafile || !out_metafile)
 263         return InvalidParameter;
 264
 265     *succ = FALSE;
 266     *out_metafile = NULL;
 267
 268     if(!(calls++))
 269         FIXME("not implemented\n");
 270
 271     return NotImplemented;
 272 }
 273
 274 /* FIXME: this should create a bitmap in the given size with the attributes
 275  * (resolution etc.) of the graphics object */
 276 GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
 277     GpGraphics* target, GpBitmap** bitmap)
 278 {
 279     static int calls;
 280     GpStatus ret;
 281
 282     if(!target || !bitmap)
 283         return InvalidParameter;
 284
 285     if(!(calls++))
 286         FIXME("hacked stub\n");
 287
 288     ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
 289                                     NULL, bitmap);
 290
 291     return ret;
 292 }
 293
 294 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
 295     PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
 296 {
 297     BITMAPFILEHEADER *bmfh;
 298     BITMAPINFOHEADER *bmih;
 299     BYTE *buff;
 300     INT datalen, size;
 301     IStream *stream;
 302
 303     TRACE("%d %d %d %d %p %p\n", width, height, stride, format, scan0, bitmap);
 304
 305     if(!bitmap || width <= 0 || height <= 0 || (scan0 && (stride % 4))){
 306         *bitmap = NULL;
 307         return InvalidParameter;
 308     }
 309
 310     if(scan0 && !stride)
 311         return InvalidParameter;
 312
 313     /* FIXME: windows allows negative stride (reads backwards from scan0) */
 314     if(stride < 0){
 315         FIXME("negative stride\n");
 316         return InvalidParameter;
 317     }
 318
 319     *bitmap = GdipAlloc(sizeof(GpBitmap));
 320     if(!*bitmap)    return OutOfMemory;
 321
 322     if(stride == 0){
 323         stride = width * (PIXELFORMATBPP(format) / 8);
 324         stride = (stride + 3) & ~3;
 325     }
 326
 327     datalen = abs(stride * height);
 328     size = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + datalen;
 329     buff = GdipAlloc(size);
 330     if(!buff){
 331         GdipFree(*bitmap);
 332         return OutOfMemory;
 333     }
 334
 335     bmfh = (BITMAPFILEHEADER*) buff;
 336     bmih = (BITMAPINFOHEADER*) (bmfh + 1);
 337
 338     bmfh->bfType    = (((WORD)'M') << 8) + (WORD)'B';
 339     bmfh->bfSize    = size;
 340     bmfh->bfOffBits = size - datalen;
 341
 342     bmih->biSize            = sizeof(BITMAPINFOHEADER);
 343     bmih->biWidth           = width;
 344     bmih->biHeight          = -height;
 345     /* FIXME: use the rest of the data from format */
 346     bmih->biBitCount        = PIXELFORMATBPP(format);
 347     bmih->biCompression     = BI_RGB;
 348     bmih->biSizeImage       = datalen;
 349
 350     if(scan0)
 351         memcpy(bmih + 1, scan0, datalen);
 352     else
 353         memset(bmih + 1, 0, datalen);
 354
 355     if(CreateStreamOnHGlobal(buff, TRUE, &stream) != S_OK){
 356         ERR("could not make stream\n");
 357         GdipFree(*bitmap);
 358         GdipFree(buff);
 359         return GenericError;
 360     }
 361
 362     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
 363         (LPVOID*) &((*bitmap)->image.picture)) != S_OK){
 364         TRACE("Could not load picture\n");
 365         IStream_Release(stream);
 366         GdipFree(*bitmap);
 367         GdipFree(buff);
 368         return GenericError;
 369     }
 370
 371     (*bitmap)->image.type = ImageTypeBitmap;
 372     (*bitmap)->width = width;
 373     (*bitmap)->height = height;
 374     (*bitmap)->format = format;
 375
 376     return Ok;
 377 }
 378
 379 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
 380     GpBitmap **bitmap)
 381 {
 382     GpStatus stat;
 383
 384     stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
 385
 386     if(stat != Ok)
 387         return stat;
 388
 389     if((*bitmap)->image.type != ImageTypeBitmap){
 390         IPicture_Release((*bitmap)->image.picture);
 391         GdipFree(bitmap);
 392         return GenericError; /* FIXME: what error to return? */
 393     }
 394
 395     return Ok;
 396 }
 397
 398 /* FIXME: no icm */
 399 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
 400     GpBitmap **bitmap)
 401 {
 402     return GdipCreateBitmapFromStream(stream, bitmap);
 403 }
 404
 405 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
 406 {
 407     HDC hdc;
 408
 409     if(!image)
 410         return InvalidParameter;
 411
 412     IPicture_get_CurDC(image->picture, &hdc);
 413     DeleteDC(hdc);
 414     IPicture_Release(image->picture);
 415     GdipFree(image);
 416
 417     return Ok;
 418 }
 419
 420 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
 421 {
 422     if(!image || !item)
 423         return InvalidParameter;
 424
 425     return NotImplemented;
 426 }
 427
 428 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
 429     GpUnit *srcUnit)
 430 {
 431     if(!image || !srcRect || !srcUnit)
 432         return InvalidParameter;
 433     if(image->type == ImageTypeMetafile){
 434         memcpy(srcRect, &((GpMetafile*)image)->bounds, sizeof(GpRectF));
 435         *srcUnit = ((GpMetafile*)image)->unit;
 436     }
 437     else if(image->type == ImageTypeBitmap){
 438         srcRect->X = srcRect->Y = 0.0;
 439         srcRect->Width = (REAL) ((GpBitmap*)image)->width;
 440         srcRect->Height = (REAL) ((GpBitmap*)image)->height;
 441         *srcUnit = UnitPixel;
 442     }
 443     else{
 444         srcRect->X = srcRect->Y = 0.0;
 445         srcRect->Width = ipicture_pixel_width(image->picture);
 446         srcRect->Height = ipicture_pixel_height(image->picture);
 447         *srcUnit = UnitPixel;
 448     }
 449
 450     TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
 451           srcRect->Width, srcRect->Height, *srcUnit);
 452
 453     return Ok;
 454 }
 455
 456 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
 457     GpGraphics **graphics)
 458 {
 459     HDC hdc;
 460
 461     if(!image || !graphics)
 462         return InvalidParameter;
 463
 464     if(image->type != ImageTypeBitmap){
 465         FIXME("not implemented for image type %d\n", image->type);
 466         return NotImplemented;
 467     }
 468
 469     IPicture_get_CurDC(image->picture, &hdc);
 470
 471     if(!hdc){
 472         hdc = CreateCompatibleDC(0);
 473         IPicture_SelectPicture(image->picture, hdc, NULL, NULL);
 474     }
 475
 476     return GdipCreateFromHDC(hdc, graphics);
 477 }
 478
 479 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
 480 {
 481     if(!image || !height)
 482         return InvalidParameter;
 483
 484     if(image->type == ImageTypeMetafile){
 485         HDC hdc = GetDC(0);
 486
 487         *height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
 488                         ((GpMetafile*)image)->bounds.Height);
 489
 490         ReleaseDC(0, hdc);
 491     }
 492     else if(image->type == ImageTypeBitmap)
 493         *height = ((GpBitmap*)image)->height;
 494     else
 495         *height = ipicture_pixel_height(image->picture);
 496
 497     TRACE("returning %d\n", *height);
 498
 499     return Ok;
 500 }
 501
 502 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
 503 {
 504     static int calls;
 505
 506     if(!image || !res)
 507         return InvalidParameter;
 508
 509     if(!(calls++))
 510         FIXME("not implemented\n");
 511
 512     return NotImplemented;
 513 }
 514
 515 /* FIXME: test this function for non-bitmap types */
 516 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
 517 {
 518     if(!image || !format)
 519         return InvalidParameter;
 520
 521     if(image->type != ImageTypeBitmap)
 522         *format = PixelFormat24bppRGB;
 523     else
 524         *format = ((GpBitmap*) image)->format;
 525
 526     return Ok;
 527 }
 528
 529 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
 530 {
 531     static int calls;
 532
 533     if(!image || !format)
 534         return InvalidParameter;
 535
 536     if(!(calls++))
 537         FIXME("not implemented\n");
 538
 539     return NotImplemented;
 540 }
 541
 542 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
 543 {
 544     if(!image || !type)
 545         return InvalidParameter;
 546
 547     *type = image->type;
 548
 549     return Ok;
 550 }
 551
 552 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
 553 {
 554     static int calls;
 555
 556     if(!image || !res)
 557         return InvalidParameter;
 558
 559     if(!(calls++))
 560         FIXME("not implemented\n");
 561
 562     return NotImplemented;
 563 }
 564
 565 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
 566 {
 567     if(!image || !width)
 568         return InvalidParameter;
 569
 570     if(image->type == ImageTypeMetafile){
 571         HDC hdc = GetDC(0);
 572
 573         *width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
 574                         ((GpMetafile*)image)->bounds.Width);
 575
 576         ReleaseDC(0, hdc);
 577     }
 578     else if(image->type == ImageTypeBitmap)
 579         *width = ((GpBitmap*)image)->width;
 580     else
 581         *width = ipicture_pixel_width(image->picture);
 582
 583     TRACE("returning %d\n", *width);
 584
 585     return Ok;
 586 }
 587
 588 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
 589     MetafileHeader * header)
 590 {
 591     static int calls;
 592
 593     if(!metafile || !header)
 594         return InvalidParameter;
 595
 596     if(!(calls++))
 597         FIXME("not implemented\n");
 598
 599     return Ok;
 600 }
 601
 602 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
 603     UINT* size)
 604 {
 605     static int calls;
 606
 607     TRACE("%p %x %p\n", image, pid, size);
 608
 609     if(!size || !image)
 610         return InvalidParameter;
 611
 612     if(!(calls++))
 613         FIXME("not implemented\n");
 614
 615     return NotImplemented;
 616 }
 617
 618 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
 619     GDIPCONST GUID* dimensionID, UINT* count)
 620 {
 621     static int calls;
 622
 623     if(!image || !dimensionID || !count)
 624         return InvalidParameter;
 625
 626     if(!(calls++))
 627         FIXME("not implemented\n");
 628
 629     return NotImplemented;
 630 }
 631
 632 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
 633     GUID* dimensionIDs, UINT count)
 634 {
 635     static int calls;
 636
 637     if(!image || !dimensionIDs)
 638         return InvalidParameter;
 639
 640     if(!(calls++))
 641         FIXME("not implemented\n");
 642
 643     return Ok;
 644 }
 645
 646 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
 647     GDIPCONST GUID* dimensionID, UINT frameidx)
 648 {
 649     static int calls;
 650
 651     if(!image || !dimensionID)
 652         return InvalidParameter;
 653
 654     if(!(calls++))
 655         FIXME("not implemented\n");
 656
 657     return Ok;
 658 }
 659
 660 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
 661 {
 662     IPicture *pic;
 663     short type;
 664
 665     if(!stream || !image)
 666         return InvalidParameter;
 667
 668     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
 669         (LPVOID*) &pic) != S_OK){
 670         TRACE("Could not load picture\n");
 671         return GenericError;
 672     }
 673
 674     IStream_AddRef(stream);
 675
 676     IPicture_get_Type(pic, &type);
 677
 678     if(type == PICTYPE_BITMAP){
 679         BITMAPINFO bmi;
 680         BITMAPCOREHEADER* bmch;
 681         OLE_HANDLE hbm;
 682         HDC hdc;
 683
 684         *image = GdipAlloc(sizeof(GpBitmap));
 685         if(!*image) return OutOfMemory;
 686         (*image)->type = ImageTypeBitmap;
 687
 688         (*((GpBitmap**) image))->width = ipicture_pixel_width(pic);
 689         (*((GpBitmap**) image))->height = ipicture_pixel_height(pic);
 690
 691         /* get the pixel format */
 692         IPicture_get_Handle(pic, &hbm);
 693         IPicture_get_CurDC(pic, &hdc);
 694
 695         bmch = (BITMAPCOREHEADER*) (&bmi.bmiHeader);
 696         bmch->bcSize = sizeof(BITMAPCOREHEADER);
 697
 698         if(!hdc){
 699             HBITMAP old;
 700             hdc = CreateCompatibleDC(0);
 701             old = SelectObject(hdc, (HBITMAP)hbm);
 702             GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
 703             SelectObject(hdc, old);
 704             DeleteDC(hdc);
 705         }
 706         else
 707             GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
 708
 709         (*((GpBitmap**) image))->format = (bmch->bcBitCount << 8) | PixelFormatGDI;
 710     }
 711     else if(type == PICTYPE_METAFILE || type == PICTYPE_ENHMETAFILE){
 712         /* FIXME: missing initialization code */
 713         *image = GdipAlloc(sizeof(GpMetafile));
 714         if(!*image) return OutOfMemory;
 715         (*image)->type = ImageTypeMetafile;
 716     }
 717     else{
 718         *image = GdipAlloc(sizeof(GpImage));
 719         if(!*image) return OutOfMemory;
 720         (*image)->type = ImageTypeUnknown;
 721     }
 722
 723     (*image)->picture = pic;
 724
 725     return Ok;
 726 }
 727
 728 /* FIXME: no ICM */
 729 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
 730 {
 731     return GdipLoadImageFromStream(stream, image);
 732 }
 733
 734 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
 735 {
 736     static int calls;
 737
 738     if(!image)
 739         return InvalidParameter;
 740
 741     if(!(calls++))
 742         FIXME("not implemented\n");
 743
 744     return NotImplemented;
 745 }
 746
 747 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
 748     GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
 749 {
 750     if(!image || !stream)
 751         return InvalidParameter;
 752
 753     /* FIXME: CLSID, EncoderParameters not used */
 754
 755     IPicture_SaveAsFile(image->picture, stream, FALSE, NULL);
 756
 757     return Ok;
 758 }
 759
 760 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
 761     GDIPCONST ColorPalette *palette)
 762 {
 763     static int calls;
 764
 765     if(!image || !palette)
 766         return InvalidParameter;
 767
 768     if(!(calls++))
 769         FIXME("not implemented\n");
 770
 771     return NotImplemented;
 772 }