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 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
, (HBITMAP
)hbm
);
146 GetDIBits(hdc
, (HBITMAP
)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
, (HBITMAP
)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
)
202 if(!bitmap
|| !lockeddata
)
203 return InvalidParameter
;
205 if(!bitmap
->lockmode
)
208 if(lockeddata
->Reserved
& ImageLockModeUserInputBuf
)
209 return NotImplemented
;
211 if(lockeddata
->Reserved
& ImageLockModeRead
){
212 if(!(--bitmap
->numlocks
))
213 bitmap
->lockmode
= 0;
215 GdipFree(bitmap
->bitmapbits
);
216 bitmap
->bitmapbits
= NULL
;
220 IPicture_get_Handle(bitmap
->image
.picture
, &hbm
);
221 IPicture_get_CurDC(bitmap
->image
.picture
, &hdc
);
222 bm_is_selected
= (hdc
!= 0);
224 pbmi
= GdipAlloc(sizeof(BITMAPINFOHEADER
) + 256 * sizeof(RGBQUAD
));
225 pbmi
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
226 pbmi
->bmiHeader
.biBitCount
= 0;
229 hdc
= CreateCompatibleDC(0);
230 old
= SelectObject(hdc
, (HBITMAP
)hbm
);
233 GetDIBits(hdc
, (HBITMAP
)hbm
, 0, 0, NULL
, pbmi
, DIB_RGB_COLORS
);
234 pbmi
->bmiHeader
.biBitCount
= PIXELFORMATBPP(lockeddata
->PixelFormat
);
235 SetDIBits(hdc
, (HBITMAP
)hbm
, 0, abs(pbmi
->bmiHeader
.biHeight
),
236 bitmap
->bitmapbits
, pbmi
, DIB_RGB_COLORS
);
239 SelectObject(hdc
, old
);
244 GdipFree(bitmap
->bitmapbits
);
245 bitmap
->bitmapbits
= NULL
;
246 bitmap
->lockmode
= 0;
251 GpStatus WINGDIPAPI
GdipCloneImage(GpImage
*image
, GpImage
**cloneImage
)
257 GpStatus stat
= GenericError
;
259 TRACE("%p, %p\n", image
, cloneImage
);
261 if (!image
|| !cloneImage
)
262 return InvalidParameter
;
264 hr
= CreateStreamOnHGlobal(0, TRUE
, &stream
);
268 hr
= IPicture_SaveAsFile(image
->picture
, stream
, FALSE
, &size
);
271 WARN("Failed to save image on stream\n");
275 /* Set seek pointer back to the beginning of the picture */
277 hr
= IStream_Seek(stream
, move
, STREAM_SEEK_SET
, NULL
);
281 stat
= GdipLoadImageFromStream(stream
, cloneImage
);
282 if (stat
!= Ok
) WARN("Failed to load image from stream\n");
285 IStream_Release(stream
);
289 GpStatus WINGDIPAPI
GdipCreateBitmapFromFile(GDIPCONST WCHAR
* filename
,
295 TRACE("(%s) %p\n", debugstr_w(filename
), bitmap
);
297 if(!filename
|| !bitmap
)
298 return InvalidParameter
;
300 stat
= GdipCreateStreamOnFile(filename
, GENERIC_READ
, &stream
);
305 stat
= GdipCreateBitmapFromStream(stream
, bitmap
);
307 IStream_Release(stream
);
312 GpStatus WINGDIPAPI
GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO
* info
,
313 VOID
*bits
, GpBitmap
**bitmap
)
315 DWORD height
, stride
;
318 FIXME("(%p, %p, %p) - partially implemented\n", info
, bits
, bitmap
);
320 height
= abs(info
->bmiHeader
.biHeight
);
321 stride
= ((info
->bmiHeader
.biWidth
* info
->bmiHeader
.biBitCount
+ 31) >> 3) & ~3;
323 if(info
->bmiHeader
.biHeight
> 0) /* bottom-up */
325 bits
= (BYTE
*)bits
+ (height
- 1) * stride
;
329 switch(info
->bmiHeader
.biBitCount
) {
331 format
= PixelFormat1bppIndexed
;
334 format
= PixelFormat4bppIndexed
;
337 format
= PixelFormat8bppIndexed
;
340 format
= PixelFormat24bppRGB
;
343 FIXME("don't know how to handle %d bpp\n", info
->bmiHeader
.biBitCount
);
345 return InvalidParameter
;
348 return GdipCreateBitmapFromScan0(info
->bmiHeader
.biWidth
, height
, stride
, format
,
354 GpStatus WINGDIPAPI
GdipCreateBitmapFromFileICM(GDIPCONST WCHAR
* filename
,
357 TRACE("(%s) %p\n", debugstr_w(filename
), bitmap
);
359 return GdipCreateBitmapFromFile(filename
, bitmap
);
362 GpStatus WINGDIPAPI
GdipCreateBitmapFromResource(HINSTANCE hInstance
,
363 GDIPCONST WCHAR
* lpBitmapName
, GpBitmap
** bitmap
)
366 GpStatus stat
= InvalidParameter
;
368 TRACE("%p (%s) %p\n", hInstance
, debugstr_w(lpBitmapName
), bitmap
);
370 if(!lpBitmapName
|| !bitmap
)
371 return InvalidParameter
;
374 hbm
= (HBITMAP
)LoadImageW(hInstance
,lpBitmapName
,IMAGE_BITMAP
,0,0,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
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 pbmi
= GdipAlloc(sizeof(BITMAPINFOHEADER
) + 256 * sizeof(RGBQUAD
));
977 *image
= GdipAlloc(sizeof(GpBitmap
));
982 (*image
)->type
= ImageTypeBitmap
;
984 (*((GpBitmap
**) image
))->width
= ipicture_pixel_width(pic
);
985 (*((GpBitmap
**) image
))->height
= ipicture_pixel_height(pic
);
987 /* get the pixel format */
988 IPicture_get_Handle(pic
, &hbm
);
989 IPicture_get_CurDC(pic
, &hdc
);
991 bmch
= (BITMAPCOREHEADER
*) (&pbmi
->bmiHeader
);
992 bmch
->bcSize
= sizeof(BITMAPCOREHEADER
);
996 hdc
= CreateCompatibleDC(0);
997 old
= SelectObject(hdc
, (HBITMAP
)hbm
);
998 GetDIBits(hdc
, (HBITMAP
)hbm
, 0, 0, NULL
, pbmi
, DIB_RGB_COLORS
);
999 SelectObject(hdc
, old
);
1003 GetDIBits(hdc
, (HBITMAP
)hbm
, 0, 0, NULL
, pbmi
, DIB_RGB_COLORS
);
1005 (*((GpBitmap
**) image
))->format
= (bmch
->bcBitCount
<< 8) | PixelFormatGDI
;
1008 else if(type
== PICTYPE_METAFILE
|| type
== PICTYPE_ENHMETAFILE
){
1009 /* FIXME: missing initialization code */
1010 *image
= GdipAlloc(sizeof(GpMetafile
));
1011 if(!*image
) return OutOfMemory
;
1012 (*image
)->type
= ImageTypeMetafile
;
1015 *image
= GdipAlloc(sizeof(GpImage
));
1016 if(!*image
) return OutOfMemory
;
1017 (*image
)->type
= ImageTypeUnknown
;
1020 (*image
)->picture
= pic
;
1021 (*image
)->flags
= ImageFlagsNone
;
1027 GpStatus WINGDIPAPI
GdipLoadImageFromStreamICM(IStream
* stream
, GpImage
**image
)
1029 TRACE("%p %p\n", stream
, image
);
1031 return GdipLoadImageFromStream(stream
, image
);
1034 GpStatus WINGDIPAPI
GdipRemovePropertyItem(GpImage
*image
, PROPID propId
)
1039 return InvalidParameter
;
1042 FIXME("not implemented\n");
1044 return NotImplemented
;
1047 GpStatus WINGDIPAPI
GdipSetPropertyItem(GpImage
*image
, GDIPCONST PropertyItem
* item
)
1052 FIXME("not implemented\n");
1054 return NotImplemented
;
1057 GpStatus WINGDIPAPI
GdipSaveImageToFile(GpImage
*image
, GDIPCONST WCHAR
* filename
,
1058 GDIPCONST CLSID
*clsidEncoder
,
1059 GDIPCONST EncoderParameters
*encoderParams
)
1064 TRACE("%p (%s) %p %p\n", image
, debugstr_w(filename
), clsidEncoder
, encoderParams
);
1066 if (!image
|| !filename
|| !clsidEncoder
)
1067 return InvalidParameter
;
1069 if (!(image
->picture
))
1070 return InvalidParameter
;
1072 stat
= GdipCreateStreamOnFile(filename
, GENERIC_WRITE
, &stream
);
1074 return GenericError
;
1076 stat
= GdipSaveImageToStream(image
, stream
, clsidEncoder
, encoderParams
);
1078 IStream_Release(stream
);
1082 /*************************************************************************
1083 * Encoding functions -
1084 * These functions encode an image in different image file formats.
1086 #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
1087 #define BITMAP_FORMAT_JPEG 0xd8ff
1088 #define BITMAP_FORMAT_GIF 0x4947
1089 #define BITMAP_FORMAT_PNG 0x5089
1090 #define BITMAP_FORMAT_APM 0xcdd7
1092 static GpStatus
encode_image_BMP(LPVOID bitmap_bits
, LPBITMAPINFO bitmap_info
,
1093 void **output
, unsigned int *output_size
)
1095 int num_palette_entries
;
1096 BITMAPFILEHEADER
*bmp_file_hdr
;
1097 BITMAPINFO
*bmp_info_hdr
;
1099 if (bitmap_info
->bmiHeader
.biClrUsed
) {
1100 num_palette_entries
= bitmap_info
->bmiHeader
.biClrUsed
;
1101 if (num_palette_entries
> 256) num_palette_entries
= 256;
1103 if (bitmap_info
->bmiHeader
.biBitCount
<= 8)
1104 num_palette_entries
= 1 << bitmap_info
->bmiHeader
.biBitCount
;
1106 num_palette_entries
= 0;
1110 sizeof(BITMAPFILEHEADER
) +
1111 sizeof(BITMAPINFOHEADER
) +
1112 num_palette_entries
* sizeof(RGBQUAD
) +
1113 bitmap_info
->bmiHeader
.biSizeImage
;
1115 *output
= GdipAlloc(*output_size
);
1117 bmp_file_hdr
= (BITMAPFILEHEADER
*) *output
;
1118 bmp_file_hdr
->bfType
= BITMAP_FORMAT_BMP
;
1119 bmp_file_hdr
->bfSize
= *output_size
;
1120 bmp_file_hdr
->bfOffBits
=
1121 sizeof(BITMAPFILEHEADER
) +
1122 sizeof(BITMAPINFOHEADER
) +
1123 num_palette_entries
* sizeof (RGBQUAD
);
1125 bmp_info_hdr
= (BITMAPINFO
*) ((unsigned char*)(*output
) + sizeof(BITMAPFILEHEADER
));
1126 memcpy(bmp_info_hdr
, bitmap_info
, sizeof(BITMAPINFOHEADER
) + num_palette_entries
* sizeof(RGBQUAD
));
1127 memcpy((unsigned char *)(*output
) +
1128 sizeof(BITMAPFILEHEADER
) +
1129 sizeof(BITMAPINFOHEADER
) +
1130 num_palette_entries
* sizeof(RGBQUAD
),
1131 bitmap_bits
, bitmap_info
->bmiHeader
.biSizeImage
);
1136 typedef GpStatus
encode_image_func(LPVOID bitmap_bits
, LPBITMAPINFO bitmap_info
,
1137 void **output
, unsigned int *output_size
);
1141 NUM_ENCODERS_SUPPORTED
1144 static const ImageCodecInfo codecs
[NUM_ENCODERS_SUPPORTED
];
1145 static encode_image_func
*const encode_image_funcs
[NUM_ENCODERS_SUPPORTED
] = {
1149 /*****************************************************************************
1150 * GdipSaveImageToStream [GDIPLUS.@]
1152 GpStatus WINGDIPAPI
GdipSaveImageToStream(GpImage
*image
, IStream
* stream
,
1153 GDIPCONST CLSID
* clsid
, GDIPCONST EncoderParameters
* params
)
1162 BITMAPINFO bmp_info
;
1164 encode_image_func
* encode_image
;
1166 unsigned int output_size
;
1174 TRACE("%p %p %p %p\n", image
, stream
, clsid
, params
);
1176 if(!image
|| !stream
)
1177 return InvalidParameter
;
1179 if (!image
->picture
)
1180 return GenericError
;
1182 hr
= IPicture_get_Type(image
->picture
, &type
);
1183 if (FAILED(hr
) || type
!= PICTYPE_BITMAP
)
1184 return GenericError
;
1186 /* select correct encoder */
1187 encode_image
= NULL
;
1188 for (i
= 0; i
< NUM_ENCODERS_SUPPORTED
; i
++) {
1189 if (IsEqualCLSID(clsid
, &codecs
[i
].Clsid
))
1190 encode_image
= encode_image_funcs
[i
];
1192 if (encode_image
== NULL
)
1193 return UnknownImageFormat
;
1195 /* extract underlying hbitmap representation from the IPicture */
1196 hr
= IPicture_get_Handle(image
->picture
, (OLE_HANDLE
*)&hbmp
);
1197 if (FAILED(hr
) || !hbmp
)
1198 return GenericError
;
1199 hr
= IPicture_get_CurDC(image
->picture
, &hdc
);
1201 return GenericError
;
1202 bm_is_selected
= (hdc
!= 0);
1203 if (!bm_is_selected
) {
1204 hdc
= CreateCompatibleDC(0);
1205 old_hbmp
= SelectObject(hdc
, hbmp
);
1208 /* get bits from HBITMAP */
1209 bmp_info
.bmiHeader
.biSize
= sizeof(bmp_info
.bmiHeader
);
1210 bmp_info
.bmiHeader
.biBitCount
= 0;
1211 GetDIBits(hdc
, hbmp
, 0, 0, NULL
, &bmp_info
, DIB_RGB_COLORS
);
1213 bmp_bits
= GdipAlloc(bmp_info
.bmiHeader
.biSizeImage
);
1216 GetDIBits(hdc
, hbmp
, 0, abs(bmp_info
.bmiHeader
.biHeight
), bmp_bits
, &bmp_info
, DIB_RGB_COLORS
);
1218 if (!bm_is_selected
) {
1219 SelectObject(hdc
, old_hbmp
);
1226 stat
= encode_image(bmp_bits
, &bmp_info
, &output
, &output_size
);
1228 IStream_Write(stream
, output
, output_size
, &dummy
);
1236 /*****************************************************************************
1237 * GdipSetImagePalette [GDIPLUS.@]
1239 GpStatus WINGDIPAPI
GdipSetImagePalette(GpImage
*image
,
1240 GDIPCONST ColorPalette
*palette
)
1244 if(!image
|| !palette
)
1245 return InvalidParameter
;
1248 FIXME("not implemented\n");
1250 return NotImplemented
;
1253 /*************************************************************************
1255 * Structures that represent which formats we support for encoding.
1258 /* ImageCodecInfo creation routines taken from libgdiplus */
1259 static const WCHAR bmp_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
1260 static const WCHAR bmp_extension
[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
1261 static const WCHAR bmp_mimetype
[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
1262 static const WCHAR bmp_format
[] = {'B', 'M', 'P', 0}; /* BMP */
1263 static const BYTE bmp_sig_pattern
[] = { 0x42, 0x4D };
1264 static const BYTE bmp_sig_mask
[] = { 0xFF, 0xFF };
1266 static const ImageCodecInfo codecs
[NUM_ENCODERS_SUPPORTED
] =
1269 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
1270 /* FormatID */ { 0xb96b3cabU
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
1271 /* CodecName */ bmp_codecname
,
1273 /* FormatDescription */ bmp_format
,
1274 /* FilenameExtension */ bmp_extension
,
1275 /* MimeType */ bmp_mimetype
,
1276 /* Flags */ ImageCodecFlagsEncoder
| ImageCodecFlagsDecoder
| ImageCodecFlagsSupportBitmap
| ImageCodecFlagsBuiltin
,
1280 /* SigPattern */ bmp_sig_pattern
,
1281 /* SigMask */ bmp_sig_mask
,
1285 /*****************************************************************************
1286 * GdipGetImageDecodersSize [GDIPLUS.@]
1288 GpStatus WINGDIPAPI
GdipGetImageDecodersSize(UINT
*numDecoders
, UINT
*size
)
1290 FIXME("%p %p stub!\n", numDecoders
, size
);
1292 if (!numDecoders
|| !size
)
1293 return InvalidParameter
;
1301 /*****************************************************************************
1302 * GdipGetImageDecoders [GDIPLUS.@]
1304 GpStatus WINGDIPAPI
GdipGetImageDecoders(UINT numDecoders
, UINT size
, ImageCodecInfo
*decoders
)
1306 FIXME("%u %u %p stub!\n", numDecoders
, size
, decoders
);
1309 return GenericError
;
1311 return NotImplemented
;
1314 /*****************************************************************************
1315 * GdipGetImageEncodersSize [GDIPLUS.@]
1317 GpStatus WINGDIPAPI
GdipGetImageEncodersSize(UINT
*numEncoders
, UINT
*size
)
1319 TRACE("%p %p\n", numEncoders
, size
);
1321 if (!numEncoders
|| !size
)
1322 return InvalidParameter
;
1324 *numEncoders
= NUM_ENCODERS_SUPPORTED
;
1325 *size
= sizeof (codecs
);
1330 /*****************************************************************************
1331 * GdipGetImageEncoders [GDIPLUS.@]
1333 GpStatus WINGDIPAPI
GdipGetImageEncoders(UINT numEncoders
, UINT size
, ImageCodecInfo
*encoders
)
1335 TRACE("%u %u %p\n", numEncoders
, size
, encoders
);
1338 (numEncoders
!= NUM_ENCODERS_SUPPORTED
) ||
1339 (size
!= sizeof (codecs
)))
1340 return GenericError
;
1342 memcpy(encoders
, codecs
, sizeof (codecs
));
1347 /*****************************************************************************
1348 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
1350 GpStatus WINGDIPAPI
GdipCreateBitmapFromHBITMAP(HBITMAP hbm
, HPALETTE hpal
, GpBitmap
** bitmap
)
1356 TRACE("%p %p %p\n", hbm
, hpal
, bitmap
);
1359 return InvalidParameter
;
1361 /* TODO: Support for device-dependent bitmaps */
1363 FIXME("no support for device-dependent bitmaps\n");
1364 return NotImplemented
;
1367 if (GetObjectA(hbm
, sizeof(bm
), &bm
) != sizeof(bm
))
1368 return InvalidParameter
;
1370 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
1371 switch(bm
.bmBitsPixel
) {
1373 format
= PixelFormat1bppIndexed
;
1376 format
= PixelFormat4bppIndexed
;
1379 format
= PixelFormat8bppIndexed
;
1382 format
= PixelFormat24bppRGB
;
1385 format
= PixelFormat32bppRGB
;
1388 format
= PixelFormat48bppRGB
;
1391 FIXME("don't know how to handle %d bpp\n", bm
.bmBitsPixel
);
1392 return InvalidParameter
;
1395 retval
= GdipCreateBitmapFromScan0(bm
.bmWidth
, bm
.bmHeight
, bm
.bmWidthBytes
,
1396 format
, bm
.bmBits
, bitmap
);
1401 /*****************************************************************************
1402 * GdipSetEffectParameters [GDIPLUS.@]
1404 GpStatus WINGDIPAPI
GdipSetEffectParameters(CGpEffect
*effect
,
1405 const VOID
*params
, const UINT size
)
1410 FIXME("not implemented\n");
1412 return NotImplemented
;
1415 /*****************************************************************************
1416 * GdipGetImageFlags [GDIPLUS.@]
1418 GpStatus WINGDIPAPI
GdipGetImageFlags(GpImage
*image
, UINT
*flags
)
1420 TRACE("%p %p\n", image
, flags
);
1422 if(!image
|| !flags
)
1423 return InvalidParameter
;
1425 *flags
= image
->flags
;
1430 GpStatus WINGDIPAPI
GdipTestControl(GpTestControlEnum control
, void *param
)
1432 TRACE("(%d, %p)\n", control
, param
);
1435 case TestControlForceBilinear
:
1437 FIXME("TestControlForceBilinear not handled\n");
1439 case TestControlNoICM
:
1441 FIXME("TestControlNoICM not handled\n");
1443 case TestControlGetBuildNumber
:
1444 *((DWORD
*)param
) = 3102;
1451 GpStatus WINGDIPAPI
GdipRecordMetafileFileName(GDIPCONST WCHAR
* fileName
,
1452 HDC hdc
, EmfType type
, GDIPCONST GpRectF
*pFrameRect
,
1453 MetafileFrameUnit frameUnit
, GDIPCONST WCHAR
*desc
,
1454 GpMetafile
**metafile
)
1456 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName
), hdc
, type
, pFrameRect
,
1457 frameUnit
, debugstr_w(desc
), metafile
);
1459 return NotImplemented
;
1462 GpStatus WINGDIPAPI
GdipRecordMetafileFileNameI(GDIPCONST WCHAR
* fileName
, HDC hdc
, EmfType type
,
1463 GDIPCONST GpRect
*pFrameRect
, MetafileFrameUnit frameUnit
,
1464 GDIPCONST WCHAR
*desc
, GpMetafile
**metafile
)
1466 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName
), hdc
, type
, pFrameRect
,
1467 frameUnit
, debugstr_w(desc
), metafile
);
1469 return NotImplemented
;