2 * Copyright (C) 2007 Google (Evan Stade)
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.
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.
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
33 #include "gdiplus_private.h"
34 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
38 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
40 static INT ipicture_pixel_height(IPicture *pic)
45 IPicture_get_Height(pic, &y);
49 y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC);
55 static INT ipicture_pixel_width(IPicture *pic)
60 IPicture_get_Width(pic, &x);
64 x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC);
71 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
75 TRACE("%p %d %d %p\n", bitmap, x, y, color);
78 return InvalidParameter;
81 FIXME("not implemented\n");
85 return NotImplemented;
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).
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)
98 INT stride, bitspp = PIXELFORMATBPP(format);
100 HBITMAP hbm, old = NULL;
104 GpRect act_rect; /* actual rect to be used */
106 TRACE("%p %p %d %d %p\n", bitmap, rect, flags, format, lockeddata);
108 if(!lockeddata || !bitmap)
109 return InvalidParameter;
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;
119 act_rect.X = act_rect.Y = 0;
120 act_rect.Width = bitmap->width;
121 act_rect.Height = bitmap->height;
124 if(flags & ImageLockModeUserInputBuf)
125 return NotImplemented;
130 IPicture_get_Handle(bitmap->image.picture, (OLE_HANDLE*)&hbm);
131 IPicture_get_CurDC(bitmap->image.picture, &hdc);
132 bm_is_selected = (hdc != 0);
134 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
137 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
138 pbmi->bmiHeader.biBitCount = 0;
141 hdc = CreateCompatibleDC(0);
142 old = SelectObject(hdc, hbm);
146 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
148 abs_height = abs(pbmi->bmiHeader.biHeight);
149 stride = pbmi->bmiHeader.biWidth * bitspp / 8;
150 stride = (stride + 3) & ~3;
152 buff = GdipAlloc(stride * abs_height);
154 pbmi->bmiHeader.biBitCount = bitspp;
157 GetDIBits(hdc, hbm, 0, abs_height, buff, pbmi, DIB_RGB_COLORS);
160 SelectObject(hdc, old);
169 lockeddata->Width = act_rect.Width;
170 lockeddata->Height = act_rect.Height;
171 lockeddata->PixelFormat = format;
172 lockeddata->Reserved = flags;
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);
180 lockeddata->Stride = stride;
181 lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
184 bitmap->lockmode = flags;
187 bitmap->bitmapbits = buff;
193 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
194 BitmapData* lockeddata)
197 HBITMAP hbm, old = NULL;
201 if(!bitmap || !lockeddata)
202 return InvalidParameter;
204 if(!bitmap->lockmode)
207 if(lockeddata->Reserved & ImageLockModeUserInputBuf)
208 return NotImplemented;
210 if(lockeddata->Reserved & ImageLockModeRead){
211 if(!(--bitmap->numlocks))
212 bitmap->lockmode = 0;
214 GdipFree(bitmap->bitmapbits);
215 bitmap->bitmapbits = NULL;
219 IPicture_get_Handle(bitmap->image.picture, (OLE_HANDLE*)&hbm);
220 IPicture_get_CurDC(bitmap->image.picture, &hdc);
221 bm_is_selected = (hdc != 0);
223 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
224 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
225 pbmi->bmiHeader.biBitCount = 0;
228 hdc = CreateCompatibleDC(0);
229 old = SelectObject(hdc, hbm);
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);
238 SelectObject(hdc, old);
243 GdipFree(bitmap->bitmapbits);
244 bitmap->bitmapbits = NULL;
245 bitmap->lockmode = 0;
250 GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
256 GpStatus stat = GenericError;
258 TRACE("%p, %p\n", image, cloneImage);
260 if (!image || !cloneImage)
261 return InvalidParameter;
263 hr = CreateStreamOnHGlobal(0, TRUE, &stream);
267 hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
270 WARN("Failed to save image on stream\n");
274 /* Set seek pointer back to the beginning of the picture */
276 hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL);
280 stat = GdipLoadImageFromStream(stream, cloneImage);
281 if (stat != Ok) WARN("Failed to load image from stream\n");
284 IStream_Release(stream);
288 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
294 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
296 if(!filename || !bitmap)
297 return InvalidParameter;
299 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
304 stat = GdipCreateBitmapFromStream(stream, bitmap);
306 IStream_Release(stream);
311 GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
312 VOID *bits, GpBitmap **bitmap)
314 DWORD height, stride;
317 FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
319 height = abs(info->bmiHeader.biHeight);
320 stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
322 if(info->bmiHeader.biHeight > 0) /* bottom-up */
324 bits = (BYTE*)bits + (height - 1) * stride;
328 switch(info->bmiHeader.biBitCount) {
330 format = PixelFormat1bppIndexed;
333 format = PixelFormat4bppIndexed;
336 format = PixelFormat8bppIndexed;
339 format = PixelFormat24bppRGB;
342 FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
344 return InvalidParameter;
347 return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
353 GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
356 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
358 return GdipCreateBitmapFromFile(filename, bitmap);
361 GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
362 GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
365 GpStatus stat = InvalidParameter;
367 TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
369 if(!lpBitmapName || !bitmap)
370 return InvalidParameter;
373 hbm = LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0,
374 LR_CREATEDIBSECTION);
377 stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
384 GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
385 HBITMAP* hbmReturn, ARGB background)
391 return NotImplemented;
394 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
395 GpMetafile* metafile, BOOL* succ, EmfType emfType,
396 const WCHAR* description, GpMetafile** out_metafile)
400 if(!ref || !metafile || !out_metafile)
401 return InvalidParameter;
404 *out_metafile = NULL;
407 FIXME("not implemented\n");
409 return NotImplemented;
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)
420 if(!target || !bitmap)
421 return InvalidParameter;
424 FIXME("hacked stub\n");
426 ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
432 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
433 PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
435 BITMAPFILEHEADER *bmfh;
436 BITMAPINFOHEADER *bmih;
441 TRACE("%d %d %d %d %p %p\n", width, height, stride, format, scan0, bitmap);
443 if (!bitmap) return InvalidParameter;
445 if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
447 return InvalidParameter;
451 return InvalidParameter;
453 /* FIXME: windows allows negative stride (reads backwards from scan0) */
455 FIXME("negative stride\n");
456 return InvalidParameter;
459 *bitmap = GdipAlloc(sizeof(GpBitmap));
460 if(!*bitmap) return OutOfMemory;
463 stride = width * (PIXELFORMATBPP(format) / 8);
464 stride = (stride + 3) & ~3;
467 datalen = abs(stride * height);
468 size = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + datalen;
469 buff = GdipAlloc(size);
475 bmfh = (BITMAPFILEHEADER*) buff;
476 bmih = (BITMAPINFOHEADER*) (bmfh + 1);
478 bmfh->bfType = (((WORD)'M') << 8) + (WORD)'B';
480 bmfh->bfOffBits = size - datalen;
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;
491 memcpy(bmih + 1, scan0, datalen);
493 memset(bmih + 1, 0, datalen);
495 if(CreateStreamOnHGlobal(buff, TRUE, &stream) != S_OK){
496 ERR("could not make stream\n");
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);
511 (*bitmap)->image.type = ImageTypeBitmap;
512 (*bitmap)->image.flags = ImageFlagsNone;
513 (*bitmap)->width = width;
514 (*bitmap)->height = height;
515 (*bitmap)->format = format;
520 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
525 TRACE("%p %p\n", stream, bitmap);
527 stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
532 if((*bitmap)->image.type != ImageTypeBitmap){
533 IPicture_Release((*bitmap)->image.picture);
535 return GenericError; /* FIXME: what error to return? */
542 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
545 TRACE("%p %p\n", stream, bitmap);
547 return GdipCreateBitmapFromStream(stream, bitmap);
550 GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
551 GpCachedBitmap **cachedbmp)
555 TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
557 if(!bitmap || !graphics || !cachedbmp)
558 return InvalidParameter;
560 *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
564 stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
566 GdipFree(*cachedbmp);
573 GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
575 TRACE("%p\n", cachedbmp);
578 return InvalidParameter;
580 GdipDisposeImage(cachedbmp->image);
586 GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
587 GpCachedBitmap *cachedbmp, INT x, INT y)
589 TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
591 if(!graphics || !cachedbmp)
592 return InvalidParameter;
594 return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
597 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
601 TRACE("%p\n", image);
604 return InvalidParameter;
606 IPicture_get_CurDC(image->picture, &hdc);
608 IPicture_Release(image->picture);
609 if (image->type == ImageTypeBitmap)
610 GdipFree(((GpBitmap*)image)->bitmapbits);
616 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
619 return InvalidParameter;
621 return NotImplemented;
624 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
627 TRACE("%p %p %p\n", image, srcRect, srcUnit);
629 if(!image || !srcRect || !srcUnit)
630 return InvalidParameter;
631 if(image->type == ImageTypeMetafile){
632 *srcRect = ((GpMetafile*)image)->bounds;
633 *srcUnit = ((GpMetafile*)image)->unit;
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;
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;
648 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
649 srcRect->Width, srcRect->Height, *srcUnit);
654 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
657 TRACE("%p %p %p\n", image, width, height);
659 if(!image || !height || !width)
660 return InvalidParameter;
662 if(image->type == ImageTypeMetafile){
665 *height = convert_unit(hdc, ((GpMetafile*)image)->unit) *
666 ((GpMetafile*)image)->bounds.Height;
668 *width = convert_unit(hdc, ((GpMetafile*)image)->unit) *
669 ((GpMetafile*)image)->bounds.Width;
674 else if(image->type == ImageTypeBitmap){
675 *height = ((GpBitmap*)image)->height;
676 *width = ((GpBitmap*)image)->width;
679 *height = ipicture_pixel_height(image->picture);
680 *width = ipicture_pixel_width(image->picture);
683 TRACE("returning (%f, %f)\n", *height, *width);
687 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
688 GpGraphics **graphics)
692 TRACE("%p %p\n", image, graphics);
694 if(!image || !graphics)
695 return InvalidParameter;
697 if(image->type != ImageTypeBitmap){
698 FIXME("not implemented for image type %d\n", image->type);
699 return NotImplemented;
702 IPicture_get_CurDC(image->picture, &hdc);
705 hdc = CreateCompatibleDC(0);
706 IPicture_SelectPicture(image->picture, hdc, NULL, NULL);
709 return GdipCreateFromHDC(hdc, graphics);
712 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
714 TRACE("%p %p\n", image, height);
716 if(!image || !height)
717 return InvalidParameter;
719 if(image->type == ImageTypeMetafile){
722 *height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
723 ((GpMetafile*)image)->bounds.Height);
727 else if(image->type == ImageTypeBitmap)
728 *height = ((GpBitmap*)image)->height;
730 *height = ipicture_pixel_height(image->picture);
732 TRACE("returning %d\n", *height);
737 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
742 return InvalidParameter;
745 FIXME("not implemented\n");
747 return NotImplemented;
750 GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
752 FIXME("%p %p\n", image, size);
755 return InvalidParameter;
757 return NotImplemented;
760 /* FIXME: test this function for non-bitmap types */
761 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
763 TRACE("%p %p\n", image, format);
765 if(!image || !format)
766 return InvalidParameter;
768 if(image->type != ImageTypeBitmap)
769 *format = PixelFormat24bppRGB;
771 *format = ((GpBitmap*) image)->format;
776 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
780 if(!image || !format)
781 return InvalidParameter;
786 /* FIXME: should be detected from embedded picture or stored separately */
789 case ImageTypeBitmap: *format = ImageFormatBMP; break;
790 case ImageTypeMetafile: *format = ImageFormatEMF; break;
792 WARN("unknown type %u\n", image->type);
793 *format = ImageFormatUndefined;
798 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
800 TRACE("%p %p\n", image, type);
803 return InvalidParameter;
810 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
815 return InvalidParameter;
818 FIXME("not implemented\n");
820 return NotImplemented;
823 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
825 TRACE("%p %p\n", image, width);
828 return InvalidParameter;
830 if(image->type == ImageTypeMetafile){
833 *width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
834 ((GpMetafile*)image)->bounds.Width);
838 else if(image->type == ImageTypeBitmap)
839 *width = ((GpBitmap*)image)->width;
841 *width = ipicture_pixel_width(image->picture);
843 TRACE("returning %d\n", *width);
848 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
849 MetafileHeader * header)
853 if(!metafile || !header)
854 return InvalidParameter;
857 FIXME("not implemented\n");
862 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
863 UINT num, PropertyItem* items)
868 FIXME("not implemented\n");
870 return InvalidParameter;
873 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
878 FIXME("not implemented\n");
880 return InvalidParameter;
883 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
888 FIXME("not implemented\n");
890 return InvalidParameter;
893 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
894 PropertyItem* buffer)
899 FIXME("not implemented\n");
901 return InvalidParameter;
904 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
909 TRACE("%p %x %p\n", image, pid, size);
912 return InvalidParameter;
915 FIXME("not implemented\n");
917 return NotImplemented;
920 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
925 FIXME("not implemented\n");
927 return InvalidParameter;
930 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
931 GDIPCONST GUID* dimensionID, UINT* count)
935 if(!image || !dimensionID || !count)
936 return InvalidParameter;
939 FIXME("not implemented\n");
941 return NotImplemented;
944 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
948 return InvalidParameter;
957 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
958 GUID* dimensionIDs, UINT count)
962 if(!image || !dimensionIDs)
963 return InvalidParameter;
966 FIXME("not implemented\n");
971 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
972 GDIPCONST GUID* dimensionID, UINT frameidx)
976 if(!image || !dimensionID)
977 return InvalidParameter;
980 FIXME("not implemented\n");
985 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
991 TRACE("(%s) %p\n", debugstr_w(filename), image);
993 if (!filename || !image)
994 return InvalidParameter;
996 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
1001 stat = GdipLoadImageFromStream(stream, image);
1003 IStream_Release(stream);
1008 /* FIXME: no icm handling */
1009 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
1011 TRACE("(%s) %p\n", debugstr_w(filename), image);
1013 return GdipLoadImageFromFile(filename, image);
1016 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
1021 TRACE("%p %p\n", stream, image);
1023 if(!stream || !image)
1024 return InvalidParameter;
1026 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1027 (LPVOID*) &pic) != S_OK){
1028 TRACE("Could not load picture\n");
1029 return GenericError;
1032 IPicture_get_Type(pic, &type);
1034 if(type == PICTYPE_BITMAP){
1036 BITMAPCOREHEADER* bmch;
1040 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1043 *image = GdipAlloc(sizeof(GpBitmap));
1048 (*image)->type = ImageTypeBitmap;
1050 (*((GpBitmap**) image))->width = ipicture_pixel_width(pic);
1051 (*((GpBitmap**) image))->height = ipicture_pixel_height(pic);
1053 /* get the pixel format */
1054 IPicture_get_Handle(pic, (OLE_HANDLE*)&hbm);
1055 IPicture_get_CurDC(pic, &hdc);
1057 bmch = (BITMAPCOREHEADER*) (&pbmi->bmiHeader);
1058 bmch->bcSize = sizeof(BITMAPCOREHEADER);
1062 hdc = CreateCompatibleDC(0);
1063 old = SelectObject(hdc, hbm);
1064 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
1065 SelectObject(hdc, old);
1069 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
1071 (*((GpBitmap**) image))->format = (bmch->bcBitCount << 8) | PixelFormatGDI;
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;
1081 *image = GdipAlloc(sizeof(GpImage));
1082 if(!*image) return OutOfMemory;
1083 (*image)->type = ImageTypeUnknown;
1086 (*image)->picture = pic;
1087 (*image)->flags = ImageFlagsNone;
1093 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
1095 TRACE("%p %p\n", stream, image);
1097 return GdipLoadImageFromStream(stream, image);
1100 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
1105 return InvalidParameter;
1108 FIXME("not implemented\n");
1110 return NotImplemented;
1113 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
1118 FIXME("not implemented\n");
1120 return NotImplemented;
1123 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
1124 GDIPCONST CLSID *clsidEncoder,
1125 GDIPCONST EncoderParameters *encoderParams)
1130 TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
1132 if (!image || !filename|| !clsidEncoder)
1133 return InvalidParameter;
1135 if (!(image->picture))
1136 return InvalidParameter;
1138 stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
1140 return GenericError;
1142 stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
1144 IStream_Release(stream);
1148 /*************************************************************************
1149 * Encoding functions -
1150 * These functions encode an image in different image file formats.
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
1158 static GpStatus encode_image_BMP(LPVOID bitmap_bits, LPBITMAPINFO bitmap_info,
1159 void **output, unsigned int *output_size)
1161 int num_palette_entries;
1162 BITMAPFILEHEADER *bmp_file_hdr;
1163 BITMAPINFO *bmp_info_hdr;
1165 if (bitmap_info->bmiHeader.biClrUsed) {
1166 num_palette_entries = bitmap_info->bmiHeader.biClrUsed;
1167 if (num_palette_entries > 256) num_palette_entries = 256;
1169 if (bitmap_info->bmiHeader.biBitCount <= 8)
1170 num_palette_entries = 1 << bitmap_info->bmiHeader.biBitCount;
1172 num_palette_entries = 0;
1176 sizeof(BITMAPFILEHEADER) +
1177 sizeof(BITMAPINFOHEADER) +
1178 num_palette_entries * sizeof(RGBQUAD) +
1179 bitmap_info->bmiHeader.biSizeImage;
1181 *output = GdipAlloc(*output_size);
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);
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);
1202 typedef GpStatus encode_image_func(LPVOID bitmap_bits, LPBITMAPINFO bitmap_info,
1203 void **output, unsigned int *output_size);
1207 NUM_ENCODERS_SUPPORTED
1210 static const ImageCodecInfo codecs[NUM_ENCODERS_SUPPORTED];
1211 static encode_image_func *const encode_image_funcs[NUM_ENCODERS_SUPPORTED] = {
1215 /*****************************************************************************
1216 * GdipSaveImageToStream [GDIPLUS.@]
1218 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
1219 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
1228 BITMAPINFO bmp_info;
1230 encode_image_func* encode_image;
1232 unsigned int output_size;
1240 TRACE("%p %p %p %p\n", image, stream, clsid, params);
1242 if(!image || !stream)
1243 return InvalidParameter;
1245 if (!image->picture)
1246 return GenericError;
1248 hr = IPicture_get_Type(image->picture, &type);
1249 if (FAILED(hr) || type != PICTYPE_BITMAP)
1250 return GenericError;
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];
1258 if (encode_image == NULL)
1259 return UnknownImageFormat;
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);
1267 return GenericError;
1268 bm_is_selected = (hdc != 0);
1269 if (!bm_is_selected) {
1270 hdc = CreateCompatibleDC(0);
1271 old_hbmp = SelectObject(hdc, hbmp);
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);
1279 bmp_bits = GdipAlloc(bmp_info.bmiHeader.biSizeImage);
1282 GetDIBits(hdc, hbmp, 0, abs(bmp_info.bmiHeader.biHeight), bmp_bits, &bmp_info, DIB_RGB_COLORS);
1284 if (!bm_is_selected) {
1285 SelectObject(hdc, old_hbmp);
1292 stat = encode_image(bmp_bits, &bmp_info, &output, &output_size);
1294 IStream_Write(stream, output, output_size, &dummy);
1302 /*****************************************************************************
1303 * GdipSetImagePalette [GDIPLUS.@]
1305 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
1306 GDIPCONST ColorPalette *palette)
1310 if(!image || !palette)
1311 return InvalidParameter;
1314 FIXME("not implemented\n");
1316 return NotImplemented;
1319 /*************************************************************************
1321 * Structures that represent which formats we support for encoding.
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 };
1332 static const ImageCodecInfo codecs[NUM_ENCODERS_SUPPORTED] =
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,
1339 /* FormatDescription */ bmp_format,
1340 /* FilenameExtension */ bmp_extension,
1341 /* MimeType */ bmp_mimetype,
1342 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
1346 /* SigPattern */ bmp_sig_pattern,
1347 /* SigMask */ bmp_sig_mask,
1351 /*****************************************************************************
1352 * GdipGetImageDecodersSize [GDIPLUS.@]
1354 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
1356 FIXME("%p %p stub!\n", numDecoders, size);
1358 if (!numDecoders || !size)
1359 return InvalidParameter;
1367 /*****************************************************************************
1368 * GdipGetImageDecoders [GDIPLUS.@]
1370 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
1372 FIXME("%u %u %p stub!\n", numDecoders, size, decoders);
1375 return GenericError;
1377 return NotImplemented;
1380 /*****************************************************************************
1381 * GdipGetImageEncodersSize [GDIPLUS.@]
1383 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
1385 TRACE("%p %p\n", numEncoders, size);
1387 if (!numEncoders || !size)
1388 return InvalidParameter;
1390 *numEncoders = NUM_ENCODERS_SUPPORTED;
1391 *size = sizeof (codecs);
1396 /*****************************************************************************
1397 * GdipGetImageEncoders [GDIPLUS.@]
1399 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
1401 TRACE("%u %u %p\n", numEncoders, size, encoders);
1404 (numEncoders != NUM_ENCODERS_SUPPORTED) ||
1405 (size != sizeof (codecs)))
1406 return GenericError;
1408 memcpy(encoders, codecs, sizeof (codecs));
1413 /*****************************************************************************
1414 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
1416 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
1422 TRACE("%p %p %p\n", hbm, hpal, bitmap);
1425 return InvalidParameter;
1427 /* TODO: Support for device-dependent bitmaps */
1429 FIXME("no support for device-dependent bitmaps\n");
1430 return NotImplemented;
1433 if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
1434 return InvalidParameter;
1436 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
1437 switch(bm.bmBitsPixel) {
1439 format = PixelFormat1bppIndexed;
1442 format = PixelFormat4bppIndexed;
1445 format = PixelFormat8bppIndexed;
1448 format = PixelFormat24bppRGB;
1451 format = PixelFormat32bppRGB;
1454 format = PixelFormat48bppRGB;
1457 FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
1458 return InvalidParameter;
1461 retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, bm.bmWidthBytes,
1462 format, bm.bmBits, bitmap);
1467 /*****************************************************************************
1468 * GdipSetEffectParameters [GDIPLUS.@]
1470 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
1471 const VOID *params, const UINT size)
1476 FIXME("not implemented\n");
1478 return NotImplemented;
1481 /*****************************************************************************
1482 * GdipGetImageFlags [GDIPLUS.@]
1484 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
1486 TRACE("%p %p\n", image, flags);
1488 if(!image || !flags)
1489 return InvalidParameter;
1491 *flags = image->flags;
1496 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
1498 TRACE("(%d, %p)\n", control, param);
1501 case TestControlForceBilinear:
1503 FIXME("TestControlForceBilinear not handled\n");
1505 case TestControlNoICM:
1507 FIXME("TestControlNoICM not handled\n");
1509 case TestControlGetBuildNumber:
1510 *((DWORD*)param) = 3102;
1517 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
1518 HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
1519 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
1520 GpMetafile **metafile)
1522 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
1523 frameUnit, debugstr_w(desc), metafile);
1525 return NotImplemented;
1528 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
1529 GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
1530 GDIPCONST WCHAR *desc, GpMetafile **metafile)
1532 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
1533 frameUnit, debugstr_w(desc), metafile);
1535 return NotImplemented;
1538 GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
1540 FIXME("%p\n", image);