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
32 #include "gdiplus_private.h"
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
37 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
39 static INT ipicture_pixel_height(IPicture *pic)
44 IPicture_get_Height(pic, &y);
48 y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC);
54 static INT ipicture_pixel_width(IPicture *pic)
59 IPicture_get_Width(pic, &x);
63 x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC);
70 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
74 TRACE("%p %d %d %p\n", bitmap, x, y, color);
77 return InvalidParameter;
80 FIXME("not implemented\n");
84 return NotImplemented;
87 /* This function returns a pointer to an array of pixels that represents the
88 * bitmap. The *entire* bitmap is locked according to the lock mode specified by
89 * flags. It is correct behavior that a user who calls this function with write
90 * privileges can write to the whole bitmap (not just the area in rect).
92 * FIXME: only used portion of format is bits per pixel. */
93 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
94 UINT flags, PixelFormat format, BitmapData* lockeddata)
97 INT stride, bitspp = PIXELFORMATBPP(format);
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, &hbm);
131 IPicture_get_CurDC(bitmap->image.picture, &hdc);
132 bm_is_selected = (hdc != 0);
134 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
135 bmi.bmiHeader.biBitCount = 0;
138 hdc = CreateCompatibleDC(0);
139 old = SelectObject(hdc, (HBITMAP)hbm);
143 GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
145 abs_height = abs(bmi.bmiHeader.biHeight);
146 stride = bmi.bmiHeader.biWidth * bitspp / 8;
147 stride = (stride + 3) & ~3;
149 buff = GdipAlloc(stride * abs_height);
151 bmi.bmiHeader.biBitCount = bitspp;
154 GetDIBits(hdc, (HBITMAP)hbm, 0, abs_height, buff, &bmi, DIB_RGB_COLORS);
157 SelectObject(hdc, old);
164 lockeddata->Width = act_rect.Width;
165 lockeddata->Height = act_rect.Height;
166 lockeddata->PixelFormat = format;
167 lockeddata->Reserved = flags;
169 if(bmi.bmiHeader.biHeight > 0){
170 lockeddata->Stride = -stride;
171 lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X +
172 stride * (abs_height - 1 - act_rect.Y);
175 lockeddata->Stride = stride;
176 lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
179 bitmap->lockmode = flags;
182 bitmap->bitmapbits = buff;
187 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
188 BitmapData* lockeddata)
196 if(!bitmap || !lockeddata)
197 return InvalidParameter;
199 if(!bitmap->lockmode)
202 if(lockeddata->Reserved & ImageLockModeUserInputBuf)
203 return NotImplemented;
205 if(lockeddata->Reserved & ImageLockModeRead){
206 if(!(--bitmap->numlocks))
207 bitmap->lockmode = 0;
209 GdipFree(bitmap->bitmapbits);
210 bitmap->bitmapbits = NULL;
214 IPicture_get_Handle(bitmap->image.picture, &hbm);
215 IPicture_get_CurDC(bitmap->image.picture, &hdc);
216 bm_is_selected = (hdc != 0);
218 bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
219 bmi.bmiHeader.biBitCount = 0;
222 hdc = CreateCompatibleDC(0);
223 old = SelectObject(hdc, (HBITMAP)hbm);
226 GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
227 bmi.bmiHeader.biBitCount = PIXELFORMATBPP(lockeddata->PixelFormat);
228 SetDIBits(hdc, (HBITMAP)hbm, 0, abs(bmi.bmiHeader.biHeight),
229 bitmap->bitmapbits, &bmi, DIB_RGB_COLORS);
232 SelectObject(hdc, old);
236 GdipFree(bitmap->bitmapbits);
237 bitmap->bitmapbits = NULL;
238 bitmap->lockmode = 0;
243 GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
249 TRACE("%p, %p\n", image, cloneImage);
251 if (!image || !cloneImage)
252 return InvalidParameter;
254 hr = CreateStreamOnHGlobal(0, TRUE, &stream);
258 *cloneImage = GdipAlloc(sizeof(GpImage));
261 IStream_Release(stream);
264 (*cloneImage)->type = image->type;
265 (*cloneImage)->flags = image->flags;
267 hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
270 WARN("Failed to save image on stream\n");
274 hr = OleLoadPicture(stream, size, FALSE, &IID_IPicture,
275 (LPVOID*) &(*cloneImage)->picture);
278 WARN("Failed to load image from stream\n");
282 IStream_Release(stream);
285 IStream_Release(stream);
286 GdipFree(*cloneImage);
291 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
297 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
299 if(!filename || !bitmap)
300 return InvalidParameter;
302 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
307 stat = GdipCreateBitmapFromStream(stream, bitmap);
309 IStream_Release(stream);
314 GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
315 VOID *bits, GpBitmap **bitmap)
317 DWORD height, stride;
320 FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
322 height = abs(info->bmiHeader.biHeight);
323 stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
325 if(info->bmiHeader.biHeight > 0) /* bottom-up */
327 bits = (BYTE*)bits + (height - 1) * stride;
331 switch(info->bmiHeader.biBitCount) {
333 format = PixelFormat1bppIndexed;
336 format = PixelFormat4bppIndexed;
339 format = PixelFormat8bppIndexed;
342 format = PixelFormat24bppRGB;
345 FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
347 return InvalidParameter;
350 return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
356 GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
359 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
361 return GdipCreateBitmapFromFile(filename, bitmap);
364 GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
365 GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
368 GpStatus stat = InvalidParameter;
370 TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
372 if(!lpBitmapName || !bitmap)
373 return InvalidParameter;
376 hbm = (HBITMAP)LoadImageW(hInstance,lpBitmapName,IMAGE_BITMAP,0,0,LR_CREATEDIBSECTION);
379 stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
386 GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
387 HBITMAP* hbmReturn, ARGB background)
393 return NotImplemented;
396 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
397 GpMetafile* metafile, BOOL* succ, EmfType emfType,
398 const WCHAR* description, GpMetafile** out_metafile)
402 if(!ref || !metafile || !out_metafile)
403 return InvalidParameter;
406 *out_metafile = NULL;
409 FIXME("not implemented\n");
411 return NotImplemented;
414 /* FIXME: this should create a bitmap in the given size with the attributes
415 * (resolution etc.) of the graphics object */
416 GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
417 GpGraphics* target, GpBitmap** bitmap)
422 if(!target || !bitmap)
423 return InvalidParameter;
426 FIXME("hacked stub\n");
428 ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
434 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
435 PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
437 BITMAPFILEHEADER *bmfh;
438 BITMAPINFOHEADER *bmih;
443 TRACE("%d %d %d %d %p %p\n", width, height, stride, format, scan0, bitmap);
445 if(!bitmap || 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 GdipDisposeImage(GpImage *image)
554 TRACE("%p\n", image);
557 return InvalidParameter;
559 IPicture_get_CurDC(image->picture, &hdc);
561 IPicture_Release(image->picture);
562 if (image->type == ImageTypeBitmap)
563 GdipFree(((GpBitmap*)image)->bitmapbits);
569 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
572 return InvalidParameter;
574 return NotImplemented;
577 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
580 TRACE("%p %p %p\n", image, srcRect, srcUnit);
582 if(!image || !srcRect || !srcUnit)
583 return InvalidParameter;
584 if(image->type == ImageTypeMetafile){
585 *srcRect = ((GpMetafile*)image)->bounds;
586 *srcUnit = ((GpMetafile*)image)->unit;
588 else if(image->type == ImageTypeBitmap){
589 srcRect->X = srcRect->Y = 0.0;
590 srcRect->Width = (REAL) ((GpBitmap*)image)->width;
591 srcRect->Height = (REAL) ((GpBitmap*)image)->height;
592 *srcUnit = UnitPixel;
595 srcRect->X = srcRect->Y = 0.0;
596 srcRect->Width = ipicture_pixel_width(image->picture);
597 srcRect->Height = ipicture_pixel_height(image->picture);
598 *srcUnit = UnitPixel;
601 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
602 srcRect->Width, srcRect->Height, *srcUnit);
607 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
610 TRACE("%p %p %p\n", image, width, height);
612 if(!image || !height || !width)
613 return InvalidParameter;
615 if(image->type == ImageTypeMetafile){
618 *height = convert_unit(hdc, ((GpMetafile*)image)->unit) *
619 ((GpMetafile*)image)->bounds.Height;
621 *width = convert_unit(hdc, ((GpMetafile*)image)->unit) *
622 ((GpMetafile*)image)->bounds.Width;
627 else if(image->type == ImageTypeBitmap){
628 *height = ((GpBitmap*)image)->height;
629 *width = ((GpBitmap*)image)->width;
632 *height = ipicture_pixel_height(image->picture);
633 *width = ipicture_pixel_width(image->picture);
636 TRACE("returning (%f, %f)\n", *height, *width);
640 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
641 GpGraphics **graphics)
645 TRACE("%p %p\n", image, graphics);
647 if(!image || !graphics)
648 return InvalidParameter;
650 if(image->type != ImageTypeBitmap){
651 FIXME("not implemented for image type %d\n", image->type);
652 return NotImplemented;
655 IPicture_get_CurDC(image->picture, &hdc);
658 hdc = CreateCompatibleDC(0);
659 IPicture_SelectPicture(image->picture, hdc, NULL, NULL);
662 return GdipCreateFromHDC(hdc, graphics);
665 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
667 TRACE("%p %p\n", image, height);
669 if(!image || !height)
670 return InvalidParameter;
672 if(image->type == ImageTypeMetafile){
675 *height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
676 ((GpMetafile*)image)->bounds.Height);
680 else if(image->type == ImageTypeBitmap)
681 *height = ((GpBitmap*)image)->height;
683 *height = ipicture_pixel_height(image->picture);
685 TRACE("returning %d\n", *height);
690 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
695 return InvalidParameter;
698 FIXME("not implemented\n");
700 return NotImplemented;
703 /* FIXME: test this function for non-bitmap types */
704 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
706 TRACE("%p %p\n", image, format);
708 if(!image || !format)
709 return InvalidParameter;
711 if(image->type != ImageTypeBitmap)
712 *format = PixelFormat24bppRGB;
714 *format = ((GpBitmap*) image)->format;
719 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
723 if(!image || !format)
724 return InvalidParameter;
727 FIXME("not implemented\n");
729 return NotImplemented;
732 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
734 TRACE("%p %p\n", image, type);
737 return InvalidParameter;
744 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
749 return InvalidParameter;
752 FIXME("not implemented\n");
754 return NotImplemented;
757 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
759 TRACE("%p %p\n", image, width);
762 return InvalidParameter;
764 if(image->type == ImageTypeMetafile){
767 *width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
768 ((GpMetafile*)image)->bounds.Width);
772 else if(image->type == ImageTypeBitmap)
773 *width = ((GpBitmap*)image)->width;
775 *width = ipicture_pixel_width(image->picture);
777 TRACE("returning %d\n", *width);
782 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
783 MetafileHeader * header)
787 if(!metafile || !header)
788 return InvalidParameter;
791 FIXME("not implemented\n");
796 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
797 UINT num, PropertyItem* items)
802 FIXME("not implemented\n");
804 return InvalidParameter;
807 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
812 FIXME("not implemented\n");
814 return InvalidParameter;
817 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
822 FIXME("not implemented\n");
824 return InvalidParameter;
827 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
828 PropertyItem* buffer)
833 FIXME("not implemented\n");
835 return InvalidParameter;
838 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
843 TRACE("%p %x %p\n", image, pid, size);
846 return InvalidParameter;
849 FIXME("not implemented\n");
851 return NotImplemented;
854 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
859 FIXME("not implemented\n");
861 return InvalidParameter;
864 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
865 GDIPCONST GUID* dimensionID, UINT* count)
869 if(!image || !dimensionID || !count)
870 return InvalidParameter;
873 FIXME("not implemented\n");
875 return NotImplemented;
878 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
882 return InvalidParameter;
891 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
892 GUID* dimensionIDs, UINT count)
896 if(!image || !dimensionIDs)
897 return InvalidParameter;
900 FIXME("not implemented\n");
905 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
906 GDIPCONST GUID* dimensionID, UINT frameidx)
910 if(!image || !dimensionID)
911 return InvalidParameter;
914 FIXME("not implemented\n");
919 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
925 TRACE("(%s) %p\n", debugstr_w(filename), image);
927 if (!filename || !image)
928 return InvalidParameter;
930 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
935 stat = GdipLoadImageFromStream(stream, image);
937 IStream_Release(stream);
942 /* FIXME: no icm handling */
943 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
945 TRACE("(%s) %p\n", debugstr_w(filename), image);
947 return GdipLoadImageFromFile(filename, image);
950 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
955 TRACE("%p %p\n", stream, image);
957 if(!stream || !image)
958 return InvalidParameter;
960 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
961 (LPVOID*) &pic) != S_OK){
962 TRACE("Could not load picture\n");
966 IPicture_get_Type(pic, &type);
968 if(type == PICTYPE_BITMAP){
970 BITMAPCOREHEADER* bmch;
974 *image = GdipAlloc(sizeof(GpBitmap));
975 if(!*image) return OutOfMemory;
976 (*image)->type = ImageTypeBitmap;
978 (*((GpBitmap**) image))->width = ipicture_pixel_width(pic);
979 (*((GpBitmap**) image))->height = ipicture_pixel_height(pic);
981 /* get the pixel format */
982 IPicture_get_Handle(pic, &hbm);
983 IPicture_get_CurDC(pic, &hdc);
985 ZeroMemory(&bmi, sizeof(bmi));
986 bmch = (BITMAPCOREHEADER*) (&bmi.bmiHeader);
987 bmch->bcSize = sizeof(BITMAPCOREHEADER);
991 hdc = CreateCompatibleDC(0);
992 old = SelectObject(hdc, (HBITMAP)hbm);
993 GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
994 SelectObject(hdc, old);
998 GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, &bmi, DIB_RGB_COLORS);
1000 (*((GpBitmap**) image))->format = (bmch->bcBitCount << 8) | PixelFormatGDI;
1002 else if(type == PICTYPE_METAFILE || type == PICTYPE_ENHMETAFILE){
1003 /* FIXME: missing initialization code */
1004 *image = GdipAlloc(sizeof(GpMetafile));
1005 if(!*image) return OutOfMemory;
1006 (*image)->type = ImageTypeMetafile;
1009 *image = GdipAlloc(sizeof(GpImage));
1010 if(!*image) return OutOfMemory;
1011 (*image)->type = ImageTypeUnknown;
1014 (*image)->picture = pic;
1015 (*image)->flags = ImageFlagsNone;
1021 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
1023 TRACE("%p %p\n", stream, image);
1025 return GdipLoadImageFromStream(stream, image);
1028 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
1033 return InvalidParameter;
1036 FIXME("not implemented\n");
1038 return NotImplemented;
1041 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
1046 FIXME("not implemented\n");
1048 return NotImplemented;
1051 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
1052 GDIPCONST CLSID *clsidEncoder,
1053 GDIPCONST EncoderParameters *encoderParams)
1058 TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
1060 if (!image || !filename|| !clsidEncoder)
1061 return InvalidParameter;
1063 if (!(image->picture))
1064 return InvalidParameter;
1066 stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
1068 return GenericError;
1070 stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
1072 IStream_Release(stream);
1076 /*************************************************************************
1077 * Encoding functions -
1078 * These functions encode an image in different image file formats.
1080 #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
1081 #define BITMAP_FORMAT_JPEG 0xd8ff
1082 #define BITMAP_FORMAT_GIF 0x4947
1083 #define BITMAP_FORMAT_PNG 0x5089
1084 #define BITMAP_FORMAT_APM 0xcdd7
1086 static GpStatus encode_image_BMP(LPVOID bitmap_bits, LPBITMAPINFO bitmap_info,
1087 void **output, unsigned int *output_size)
1089 int num_palette_entries;
1090 BITMAPFILEHEADER *bmp_file_hdr;
1091 BITMAPINFO *bmp_info_hdr;
1093 if (bitmap_info->bmiHeader.biClrUsed) {
1094 num_palette_entries = bitmap_info->bmiHeader.biClrUsed;
1095 if (num_palette_entries > 256) num_palette_entries = 256;
1097 if (bitmap_info->bmiHeader.biBitCount <= 8)
1098 num_palette_entries = 1 << bitmap_info->bmiHeader.biBitCount;
1100 num_palette_entries = 0;
1104 sizeof(BITMAPFILEHEADER) +
1105 sizeof(BITMAPINFOHEADER) +
1106 num_palette_entries * sizeof(RGBQUAD) +
1107 bitmap_info->bmiHeader.biSizeImage;
1109 *output = GdipAlloc(*output_size);
1111 bmp_file_hdr = (BITMAPFILEHEADER*) *output;
1112 bmp_file_hdr->bfType = BITMAP_FORMAT_BMP;
1113 bmp_file_hdr->bfSize = *output_size;
1114 bmp_file_hdr->bfOffBits =
1115 sizeof(BITMAPFILEHEADER) +
1116 sizeof(BITMAPINFOHEADER) +
1117 num_palette_entries * sizeof (RGBQUAD);
1119 bmp_info_hdr = (BITMAPINFO*) ((unsigned char*)(*output) + sizeof(BITMAPFILEHEADER));
1120 memcpy(bmp_info_hdr, bitmap_info, sizeof(BITMAPINFOHEADER) + num_palette_entries * sizeof(RGBQUAD));
1121 memcpy((unsigned char *)(*output) +
1122 sizeof(BITMAPFILEHEADER) +
1123 sizeof(BITMAPINFOHEADER) +
1124 num_palette_entries * sizeof(RGBQUAD),
1125 bitmap_bits, bitmap_info->bmiHeader.biSizeImage);
1130 typedef GpStatus encode_image_func(LPVOID bitmap_bits, LPBITMAPINFO bitmap_info,
1131 void **output, unsigned int *output_size);
1135 NUM_ENCODERS_SUPPORTED
1138 static const ImageCodecInfo codecs[NUM_ENCODERS_SUPPORTED];
1139 static encode_image_func *const encode_image_funcs[NUM_ENCODERS_SUPPORTED] = {
1143 /*****************************************************************************
1144 * GdipSaveImageToStream [GDIPLUS.@]
1146 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
1147 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
1156 BITMAPINFO bmp_info;
1158 encode_image_func* encode_image;
1160 unsigned int output_size;
1168 TRACE("%p %p %p %p\n", image, stream, clsid, params);
1170 if(!image || !stream)
1171 return InvalidParameter;
1173 if (!image->picture)
1174 return GenericError;
1176 hr = IPicture_get_Type(image->picture, &type);
1177 if (FAILED(hr) || type != PICTYPE_BITMAP)
1178 return GenericError;
1180 /* select correct encoder */
1181 encode_image = NULL;
1182 for (i = 0; i < NUM_ENCODERS_SUPPORTED; i++) {
1183 if (IsEqualCLSID(clsid, &codecs[i].Clsid))
1184 encode_image = encode_image_funcs[i];
1186 if (encode_image == NULL)
1187 return UnknownImageFormat;
1189 /* extract underlying hbitmap representation from the IPicture */
1190 hr = IPicture_get_Handle(image->picture, (OLE_HANDLE*)&hbmp);
1191 if (FAILED(hr) || !hbmp)
1192 return GenericError;
1193 hr = IPicture_get_CurDC(image->picture, &hdc);
1195 return GenericError;
1196 bm_is_selected = (hdc != 0);
1197 if (!bm_is_selected) {
1198 hdc = CreateCompatibleDC(0);
1199 old_hbmp = SelectObject(hdc, hbmp);
1202 /* get bits from HBITMAP */
1203 bmp_info.bmiHeader.biSize = sizeof(bmp_info.bmiHeader);
1204 bmp_info.bmiHeader.biBitCount = 0;
1205 GetDIBits(hdc, hbmp, 0, 0, NULL, &bmp_info, DIB_RGB_COLORS);
1207 bmp_bits = GdipAlloc(bmp_info.bmiHeader.biSizeImage);
1210 GetDIBits(hdc, hbmp, 0, abs(bmp_info.bmiHeader.biHeight), bmp_bits, &bmp_info, DIB_RGB_COLORS);
1212 if (!bm_is_selected) {
1213 SelectObject(hdc, old_hbmp);
1220 stat = encode_image(bmp_bits, &bmp_info, &output, &output_size);
1222 IStream_Write(stream, output, output_size, &dummy);
1230 /*****************************************************************************
1231 * GdipSetImagePalette [GDIPLUS.@]
1233 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
1234 GDIPCONST ColorPalette *palette)
1238 if(!image || !palette)
1239 return InvalidParameter;
1242 FIXME("not implemented\n");
1244 return NotImplemented;
1247 /*************************************************************************
1249 * Structures that represent which formats we support for encoding.
1252 /* ImageCodecInfo creation routines taken from libgdiplus */
1253 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
1254 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
1255 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
1256 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
1257 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
1258 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
1260 static const ImageCodecInfo codecs[NUM_ENCODERS_SUPPORTED] =
1263 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
1264 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
1265 /* CodecName */ bmp_codecname,
1267 /* FormatDescription */ bmp_format,
1268 /* FilenameExtension */ bmp_extension,
1269 /* MimeType */ bmp_mimetype,
1270 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
1274 /* SigPattern */ bmp_sig_pattern,
1275 /* SigMask */ bmp_sig_mask,
1279 /*****************************************************************************
1280 * GdipGetImageDecodersSize [GDIPLUS.@]
1282 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
1284 FIXME("%p %p stub!\n", numDecoders, size);
1286 if (!numDecoders || !size)
1287 return InvalidParameter;
1295 /*****************************************************************************
1296 * GdipGetImageDecoders [GDIPLUS.@]
1298 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
1300 FIXME("%u %u %p stub!\n", numDecoders, size, decoders);
1303 return GenericError;
1305 return NotImplemented;
1308 /*****************************************************************************
1309 * GdipGetImageEncodersSize [GDIPLUS.@]
1311 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
1313 TRACE("%p %p\n", numEncoders, size);
1315 if (!numEncoders || !size)
1316 return InvalidParameter;
1318 *numEncoders = NUM_ENCODERS_SUPPORTED;
1319 *size = sizeof (codecs);
1324 /*****************************************************************************
1325 * GdipGetImageEncoders [GDIPLUS.@]
1327 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
1329 TRACE("%u %u %p\n", numEncoders, size, encoders);
1332 (numEncoders != NUM_ENCODERS_SUPPORTED) ||
1333 (size != sizeof (codecs)))
1334 return GenericError;
1336 memcpy(encoders, codecs, sizeof (codecs));
1341 /*****************************************************************************
1342 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
1344 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
1350 TRACE("%p %p %p\n", hbm, hpal, bitmap);
1353 return InvalidParameter;
1355 /* TODO: Support for device-dependent bitmaps */
1357 FIXME("no support for device-dependent bitmaps\n");
1358 return NotImplemented;
1361 if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
1362 return InvalidParameter;
1364 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
1365 switch(bm.bmBitsPixel) {
1367 format = PixelFormat1bppIndexed;
1370 format = PixelFormat4bppIndexed;
1373 format = PixelFormat8bppIndexed;
1376 format = PixelFormat24bppRGB;
1379 format = PixelFormat48bppRGB;
1382 FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
1383 return InvalidParameter;
1386 retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, bm.bmWidthBytes,
1387 format, bm.bmBits, bitmap);
1392 /*****************************************************************************
1393 * GdipSetEffectParameters [GDIPLUS.@]
1395 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
1396 const VOID *params, const UINT size)
1401 FIXME("not implemented\n");
1403 return NotImplemented;
1406 /*****************************************************************************
1407 * GdipGetImageFlags [GDIPLUS.@]
1409 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
1411 TRACE("%p %p\n", image, flags);
1413 if(!image || !flags)
1414 return InvalidParameter;
1416 *flags = image->flags;
1421 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
1423 TRACE("(%d, %p)\n", control, param);
1426 case TestControlForceBilinear:
1428 FIXME("TestControlForceBilinear not handled\n");
1430 case TestControlNoICM:
1432 FIXME("TestControlNoICM not handled\n");
1434 case TestControlGetBuildNumber:
1435 *((DWORD*)param) = 3102;