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;