2 * Copyright (C) 2007 Google (Evan Stade)
3 * Copyright (C) 2012,2016 Dmitry Timoshkov
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #define NONAMELESSUNION
38 #include "gdiplus_private.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus
);
43 HRESULT WINAPI
WICCreateImagingFactory_Proxy(UINT
, IWICImagingFactory
**);
45 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
46 #define WMF_PLACEABLE_KEY 0x9ac6cdd7
50 const WICPixelFormatGUID
*wic_format
;
51 PixelFormat gdip_format
;
52 /* predefined palette type to use for pixel format conversions */
53 WICBitmapPaletteType palette_type
;
56 { &GUID_WICPixelFormatBlackWhite
, PixelFormat1bppIndexed
, WICBitmapPaletteTypeFixedBW
},
57 { &GUID_WICPixelFormat1bppIndexed
, PixelFormat1bppIndexed
, WICBitmapPaletteTypeFixedBW
},
58 { &GUID_WICPixelFormat4bppIndexed
, PixelFormat4bppIndexed
, WICBitmapPaletteTypeFixedHalftone8
},
59 { &GUID_WICPixelFormat8bppGray
, PixelFormat8bppIndexed
, WICBitmapPaletteTypeFixedGray256
},
60 { &GUID_WICPixelFormat8bppIndexed
, PixelFormat8bppIndexed
, WICBitmapPaletteTypeFixedHalftone256
},
61 { &GUID_WICPixelFormat16bppBGR555
, PixelFormat16bppRGB555
, WICBitmapPaletteTypeFixedHalftone256
},
62 { &GUID_WICPixelFormat24bppBGR
, PixelFormat24bppRGB
, WICBitmapPaletteTypeFixedHalftone256
},
63 { &GUID_WICPixelFormat32bppBGR
, PixelFormat32bppRGB
, WICBitmapPaletteTypeFixedHalftone256
},
64 { &GUID_WICPixelFormat48bppRGB
, PixelFormat48bppRGB
, WICBitmapPaletteTypeFixedHalftone256
},
65 { &GUID_WICPixelFormat32bppBGRA
, PixelFormat32bppARGB
, WICBitmapPaletteTypeFixedHalftone256
},
66 { &GUID_WICPixelFormat32bppPBGRA
, PixelFormat32bppPARGB
, WICBitmapPaletteTypeFixedHalftone256
},
67 { &GUID_WICPixelFormat32bppCMYK
, PixelFormat32bppCMYK
, WICBitmapPaletteTypeFixedHalftone256
},
68 { &GUID_WICPixelFormat32bppGrayFloat
, PixelFormat32bppARGB
, WICBitmapPaletteTypeFixedGray256
},
69 { &GUID_WICPixelFormat64bppCMYK
, PixelFormat48bppRGB
, WICBitmapPaletteTypeFixedHalftone256
},
70 { &GUID_WICPixelFormat64bppRGBA
, PixelFormat48bppRGB
, WICBitmapPaletteTypeFixedHalftone256
},
74 static ColorPalette
*get_palette(IWICBitmapFrameDecode
*frame
, WICBitmapPaletteType palette_type
)
77 IWICImagingFactory
*factory
;
78 IWICPalette
*wic_palette
;
79 ColorPalette
*palette
= NULL
;
81 hr
= WICCreateImagingFactory_Proxy(WINCODEC_SDK_VERSION
, &factory
);
82 if (hr
!= S_OK
) return NULL
;
84 hr
= IWICImagingFactory_CreatePalette(factory
, &wic_palette
);
87 hr
= WINCODEC_ERR_PALETTEUNAVAILABLE
;
89 hr
= IWICBitmapFrameDecode_CopyPalette(frame
, wic_palette
);
92 TRACE("using predefined palette %#x\n", palette_type
);
93 hr
= IWICPalette_InitializePredefined(wic_palette
, palette_type
, FALSE
);
97 WICBitmapPaletteType type
;
101 IWICPalette_GetColorCount(wic_palette
, &count
);
102 palette
= heap_alloc(2 * sizeof(UINT
) + count
* sizeof(ARGB
));
103 IWICPalette_GetColors(wic_palette
, count
, palette
->Entries
, &palette
->Count
);
105 IWICPalette_GetType(wic_palette
, &type
);
107 case WICBitmapPaletteTypeFixedGray4
:
108 case WICBitmapPaletteTypeFixedGray16
:
109 case WICBitmapPaletteTypeFixedGray256
:
110 palette
->Flags
= PaletteFlagsGrayScale
;
112 case WICBitmapPaletteTypeFixedHalftone8
:
113 case WICBitmapPaletteTypeFixedHalftone27
:
114 case WICBitmapPaletteTypeFixedHalftone64
:
115 case WICBitmapPaletteTypeFixedHalftone125
:
116 case WICBitmapPaletteTypeFixedHalftone216
:
117 case WICBitmapPaletteTypeFixedHalftone252
:
118 case WICBitmapPaletteTypeFixedHalftone256
:
119 palette
->Flags
= PaletteFlagsHalftone
;
124 IWICPalette_HasAlpha(wic_palette
, &alpha
);
126 palette
->Flags
|= PaletteFlagsHasAlpha
;
128 IWICPalette_Release(wic_palette
);
130 IWICImagingFactory_Release(factory
);
134 GpStatus WINGDIPAPI
GdipBitmapApplyEffect(GpBitmap
* bitmap
, CGpEffect
* effect
,
135 RECT
* roi
, BOOL useAuxData
, VOID
** auxData
, INT
* auxDataSize
)
137 FIXME("(%p %p %p %d %p %p): stub\n", bitmap
, effect
, roi
, useAuxData
, auxData
, auxDataSize
);
139 * Note: According to Jose Roca's GDI+ docs, this function is not
140 * implemented in Windows's GDI+.
142 return NotImplemented
;
145 GpStatus WINGDIPAPI
GdipBitmapCreateApplyEffect(GpBitmap
** inputBitmaps
,
146 INT numInputs
, CGpEffect
* effect
, RECT
* roi
, RECT
* outputRect
,
147 GpBitmap
** outputBitmap
, BOOL useAuxData
, VOID
** auxData
, INT
* auxDataSize
)
149 FIXME("(%p %d %p %p %p %p %d %p %p): stub\n", inputBitmaps
, numInputs
, effect
, roi
, outputRect
, outputBitmap
, useAuxData
, auxData
, auxDataSize
);
151 * Note: According to Jose Roca's GDI+ docs, this function is not
152 * implemented in Windows's GDI+.
154 return NotImplemented
;
157 static inline void getpixel_1bppIndexed(BYTE
*index
, const BYTE
*row
, UINT x
)
159 *index
= (row
[x
/8]>>(7-x
%8)) & 1;
162 static inline void getpixel_4bppIndexed(BYTE
*index
, const BYTE
*row
, UINT x
)
165 *index
= row
[x
/2]&0xf;
167 *index
= row
[x
/2]>>4;
170 static inline void getpixel_8bppIndexed(BYTE
*index
, const BYTE
*row
, UINT x
)
175 static inline void getpixel_16bppGrayScale(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
176 const BYTE
*row
, UINT x
)
178 *r
= *g
= *b
= row
[x
*2+1];
182 static inline void getpixel_16bppRGB555(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
183 const BYTE
*row
, UINT x
)
185 WORD pixel
= *((const WORD
*)(row
)+x
);
186 *r
= (pixel
>>7&0xf8)|(pixel
>>12&0x7);
187 *g
= (pixel
>>2&0xf8)|(pixel
>>6&0x7);
188 *b
= (pixel
<<3&0xf8)|(pixel
>>2&0x7);
192 static inline void getpixel_16bppRGB565(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
193 const BYTE
*row
, UINT x
)
195 WORD pixel
= *((const WORD
*)(row
)+x
);
196 *r
= (pixel
>>8&0xf8)|(pixel
>>13&0x7);
197 *g
= (pixel
>>3&0xfc)|(pixel
>>9&0x3);
198 *b
= (pixel
<<3&0xf8)|(pixel
>>2&0x7);
202 static inline void getpixel_16bppARGB1555(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
203 const BYTE
*row
, UINT x
)
205 WORD pixel
= *((const WORD
*)(row
)+x
);
206 *r
= (pixel
>>7&0xf8)|(pixel
>>12&0x7);
207 *g
= (pixel
>>2&0xf8)|(pixel
>>6&0x7);
208 *b
= (pixel
<<3&0xf8)|(pixel
>>2&0x7);
209 if ((pixel
&0x8000) == 0x8000)
215 static inline void getpixel_24bppRGB(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
216 const BYTE
*row
, UINT x
)
224 static inline void getpixel_32bppRGB(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
225 const BYTE
*row
, UINT x
)
233 static inline void getpixel_32bppARGB(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
234 const BYTE
*row
, UINT x
)
242 static inline void getpixel_32bppPARGB(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
243 const BYTE
*row
, UINT x
)
250 *r
= row
[x
*4+2] * 255 / *a
;
251 *g
= row
[x
*4+1] * 255 / *a
;
252 *b
= row
[x
*4] * 255 / *a
;
256 static inline void getpixel_48bppRGB(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
257 const BYTE
*row
, UINT x
)
265 static inline void getpixel_64bppARGB(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
266 const BYTE
*row
, UINT x
)
274 static inline void getpixel_64bppPARGB(BYTE
*r
, BYTE
*g
, BYTE
*b
, BYTE
*a
,
275 const BYTE
*row
, UINT x
)
282 *r
= row
[x
*8+5] * 255 / *a
;
283 *g
= row
[x
*8+3] * 255 / *a
;
284 *b
= row
[x
*8+1] * 255 / *a
;
288 GpStatus WINGDIPAPI
GdipBitmapGetPixel(GpBitmap
* bitmap
, INT x
, INT y
,
295 if(!bitmap
|| !color
||
296 x
< 0 || y
< 0 || x
>= bitmap
->width
|| y
>= bitmap
->height
)
297 return InvalidParameter
;
299 row
= bitmap
->bits
+bitmap
->stride
*y
;
301 switch (bitmap
->format
)
303 case PixelFormat1bppIndexed
:
304 getpixel_1bppIndexed(&index
,row
,x
);
306 case PixelFormat4bppIndexed
:
307 getpixel_4bppIndexed(&index
,row
,x
);
309 case PixelFormat8bppIndexed
:
310 getpixel_8bppIndexed(&index
,row
,x
);
312 case PixelFormat16bppGrayScale
:
313 getpixel_16bppGrayScale(&r
,&g
,&b
,&a
,row
,x
);
315 case PixelFormat16bppRGB555
:
316 getpixel_16bppRGB555(&r
,&g
,&b
,&a
,row
,x
);
318 case PixelFormat16bppRGB565
:
319 getpixel_16bppRGB565(&r
,&g
,&b
,&a
,row
,x
);
321 case PixelFormat16bppARGB1555
:
322 getpixel_16bppARGB1555(&r
,&g
,&b
,&a
,row
,x
);
324 case PixelFormat24bppRGB
:
325 getpixel_24bppRGB(&r
,&g
,&b
,&a
,row
,x
);
327 case PixelFormat32bppRGB
:
328 getpixel_32bppRGB(&r
,&g
,&b
,&a
,row
,x
);
330 case PixelFormat32bppARGB
:
331 getpixel_32bppARGB(&r
,&g
,&b
,&a
,row
,x
);
333 case PixelFormat32bppPARGB
:
334 getpixel_32bppPARGB(&r
,&g
,&b
,&a
,row
,x
);
336 case PixelFormat48bppRGB
:
337 getpixel_48bppRGB(&r
,&g
,&b
,&a
,row
,x
);
339 case PixelFormat64bppARGB
:
340 getpixel_64bppARGB(&r
,&g
,&b
,&a
,row
,x
);
342 case PixelFormat64bppPARGB
:
343 getpixel_64bppPARGB(&r
,&g
,&b
,&a
,row
,x
);
346 FIXME("not implemented for format 0x%x\n", bitmap
->format
);
347 return NotImplemented
;
350 if (bitmap
->format
& PixelFormatIndexed
)
351 *color
= bitmap
->image
.palette
->Entries
[index
];
353 *color
= a
<<24|r
<<16|g
<<8|b
;
358 static inline UINT
get_palette_index(BYTE r
, BYTE g
, BYTE b
, BYTE a
, ColorPalette
*palette
)
361 int best_distance
= 0x7fff;
365 if (!palette
) return 0;
366 /* This algorithm scans entire palette,
367 computes difference from desired color (all color components have equal weight)
368 and returns the index of color with least difference.
370 Note: Maybe it could be replaced with a better algorithm for better image quality
371 and performance, though better algorithm would probably need some pre-built lookup
372 tables and thus may actually be slower if this method is called only few times per
375 for(i
=0;i
<palette
->Count
;i
++) {
376 ARGB color
=palette
->Entries
[i
];
377 distance
=abs(b
-(color
& 0xff)) + abs(g
-(color
>>8 & 0xff)) + abs(r
-(color
>>16 & 0xff)) + abs(a
-(color
>>24 & 0xff));
378 if (distance
<best_distance
) {
379 best_distance
=distance
;
386 static inline void setpixel_8bppIndexed(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
387 BYTE
*row
, UINT x
, ColorPalette
*palette
)
389 BYTE index
= get_palette_index(r
,g
,b
,a
,palette
);
393 static inline void setpixel_1bppIndexed(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
394 BYTE
*row
, UINT x
, ColorPalette
*palette
)
396 row
[x
/8] = (row
[x
/8] & ~(1<<(7-x
%8))) | (get_palette_index(r
,g
,b
,a
,palette
)<<(7-x
%8));
399 static inline void setpixel_4bppIndexed(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
400 BYTE
*row
, UINT x
, ColorPalette
*palette
)
403 row
[x
/2] = (row
[x
/2] & 0xf0) | get_palette_index(r
,g
,b
,a
,palette
);
405 row
[x
/2] = (row
[x
/2] & 0x0f) | get_palette_index(r
,g
,b
,a
,palette
)<<4;
408 static inline void setpixel_16bppGrayScale(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
411 *((WORD
*)(row
)+x
) = (r
+g
+b
)*85;
414 static inline void setpixel_16bppRGB555(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
417 *((WORD
*)(row
)+x
) = (r
<<7&0x7c00)|
422 static inline void setpixel_16bppRGB565(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
425 *((WORD
*)(row
)+x
) = (r
<<8&0xf800)|
430 static inline void setpixel_16bppARGB1555(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
433 *((WORD
*)(row
)+x
) = (a
<<8&0x8000)|
439 static inline void setpixel_24bppRGB(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
447 static inline void setpixel_32bppRGB(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
450 *((DWORD
*)(row
)+x
) = (r
<<16)|(g
<<8)|b
;
453 static inline void setpixel_32bppARGB(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
456 *((DWORD
*)(row
)+x
) = (a
<<24)|(r
<<16)|(g
<<8)|b
;
459 static inline void setpixel_32bppPARGB(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
465 *((DWORD
*)(row
)+x
) = (a
<<24)|(r
<<16)|(g
<<8)|b
;
468 static inline void setpixel_48bppRGB(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
471 row
[x
*6+5] = row
[x
*6+4] = r
;
472 row
[x
*6+3] = row
[x
*6+2] = g
;
473 row
[x
*6+1] = row
[x
*6] = b
;
476 static inline void setpixel_64bppARGB(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
479 UINT64 a64
=a
, r64
=r
, g64
=g
, b64
=b
;
480 *((UINT64
*)(row
)+x
) = (a64
<<56)|(a64
<<48)|(r64
<<40)|(r64
<<32)|(g64
<<24)|(g64
<<16)|(b64
<<8)|b64
;
483 static inline void setpixel_64bppPARGB(BYTE r
, BYTE g
, BYTE b
, BYTE a
,
486 UINT64 a64
, r64
, g64
, b64
;
491 *((UINT64
*)(row
)+x
) = (a64
<<48)|(r64
<<32)|(g64
<<16)|b64
;
494 GpStatus WINGDIPAPI
GdipBitmapSetPixel(GpBitmap
* bitmap
, INT x
, INT y
,
500 if(!bitmap
|| x
< 0 || y
< 0 || x
>= bitmap
->width
|| y
>= bitmap
->height
)
501 return InvalidParameter
;
508 row
= bitmap
->bits
+ bitmap
->stride
* y
;
510 switch (bitmap
->format
)
512 case PixelFormat16bppGrayScale
:
513 setpixel_16bppGrayScale(r
,g
,b
,a
,row
,x
);
515 case PixelFormat16bppRGB555
:
516 setpixel_16bppRGB555(r
,g
,b
,a
,row
,x
);
518 case PixelFormat16bppRGB565
:
519 setpixel_16bppRGB565(r
,g
,b
,a
,row
,x
);
521 case PixelFormat16bppARGB1555
:
522 setpixel_16bppARGB1555(r
,g
,b
,a
,row
,x
);
524 case PixelFormat24bppRGB
:
525 setpixel_24bppRGB(r
,g
,b
,a
,row
,x
);
527 case PixelFormat32bppRGB
:
528 setpixel_32bppRGB(r
,g
,b
,a
,row
,x
);
530 case PixelFormat32bppARGB
:
531 setpixel_32bppARGB(r
,g
,b
,a
,row
,x
);
533 case PixelFormat32bppPARGB
:
534 setpixel_32bppPARGB(r
,g
,b
,a
,row
,x
);
536 case PixelFormat48bppRGB
:
537 setpixel_48bppRGB(r
,g
,b
,a
,row
,x
);
539 case PixelFormat64bppARGB
:
540 setpixel_64bppARGB(r
,g
,b
,a
,row
,x
);
542 case PixelFormat64bppPARGB
:
543 setpixel_64bppPARGB(r
,g
,b
,a
,row
,x
);
545 case PixelFormat8bppIndexed
:
546 setpixel_8bppIndexed(r
,g
,b
,a
,row
,x
,bitmap
->image
.palette
);
548 case PixelFormat4bppIndexed
:
549 setpixel_4bppIndexed(r
,g
,b
,a
,row
,x
,bitmap
->image
.palette
);
551 case PixelFormat1bppIndexed
:
552 setpixel_1bppIndexed(r
,g
,b
,a
,row
,x
,bitmap
->image
.palette
);
555 FIXME("not implemented for format 0x%x\n", bitmap
->format
);
556 return NotImplemented
;
562 GpStatus
convert_pixels(INT width
, INT height
,
563 INT dst_stride
, BYTE
*dst_bits
, PixelFormat dst_format
,
564 INT src_stride
, const BYTE
*src_bits
, PixelFormat src_format
,
565 ColorPalette
*palette
)
569 if (src_format
== dst_format
||
570 (dst_format
== PixelFormat32bppRGB
&& PIXELFORMATBPP(src_format
) == 32))
572 UINT widthbytes
= PIXELFORMATBPP(src_format
) * width
/ 8;
573 for (y
=0; y
<height
; y
++)
574 memcpy(dst_bits
+dst_stride
*y
, src_bits
+src_stride
*y
, widthbytes
);
578 #define convert_indexed_to_rgb(getpixel_function, setpixel_function) do { \
579 for (y=0; y<height; y++) \
580 for (x=0; x<width; x++) { \
583 BYTE *color = (BYTE *)&argb; \
584 getpixel_function(&index, src_bits+src_stride*y, x); \
585 argb = (palette && index < palette->Count) ? palette->Entries[index] : 0; \
586 setpixel_function(color[2], color[1], color[0], color[3], dst_bits+dst_stride*y, x); \
591 #define convert_rgb_to_rgb(getpixel_function, setpixel_function) do { \
592 for (y=0; y<height; y++) \
593 for (x=0; x<width; x++) { \
595 getpixel_function(&r, &g, &b, &a, src_bits+src_stride*y, x); \
596 setpixel_function(r, g, b, a, dst_bits+dst_stride*y, x); \
601 #define convert_rgb_to_indexed(getpixel_function, setpixel_function) do { \
602 for (y=0; y<height; y++) \
603 for (x=0; x<width; x++) { \
605 getpixel_function(&r, &g, &b, &a, src_bits+src_stride*y, x); \
606 setpixel_function(r, g, b, a, dst_bits+dst_stride*y, x, palette); \
613 case PixelFormat1bppIndexed
:
616 case PixelFormat16bppGrayScale
:
617 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_16bppGrayScale
);
618 case PixelFormat16bppRGB555
:
619 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_16bppRGB555
);
620 case PixelFormat16bppRGB565
:
621 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_16bppRGB565
);
622 case PixelFormat16bppARGB1555
:
623 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_16bppARGB1555
);
624 case PixelFormat24bppRGB
:
625 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_24bppRGB
);
626 case PixelFormat32bppRGB
:
627 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_32bppRGB
);
628 case PixelFormat32bppARGB
:
629 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_32bppARGB
);
630 case PixelFormat32bppPARGB
:
631 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_32bppPARGB
);
632 case PixelFormat48bppRGB
:
633 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_48bppRGB
);
634 case PixelFormat64bppARGB
:
635 convert_indexed_to_rgb(getpixel_1bppIndexed
, setpixel_64bppARGB
);
640 case PixelFormat4bppIndexed
:
643 case PixelFormat16bppGrayScale
:
644 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_16bppGrayScale
);
645 case PixelFormat16bppRGB555
:
646 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_16bppRGB555
);
647 case PixelFormat16bppRGB565
:
648 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_16bppRGB565
);
649 case PixelFormat16bppARGB1555
:
650 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_16bppARGB1555
);
651 case PixelFormat24bppRGB
:
652 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_24bppRGB
);
653 case PixelFormat32bppRGB
:
654 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_32bppRGB
);
655 case PixelFormat32bppARGB
:
656 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_32bppARGB
);
657 case PixelFormat32bppPARGB
:
658 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_32bppPARGB
);
659 case PixelFormat48bppRGB
:
660 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_48bppRGB
);
661 case PixelFormat64bppARGB
:
662 convert_indexed_to_rgb(getpixel_4bppIndexed
, setpixel_64bppARGB
);
667 case PixelFormat8bppIndexed
:
670 case PixelFormat16bppGrayScale
:
671 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_16bppGrayScale
);
672 case PixelFormat16bppRGB555
:
673 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_16bppRGB555
);
674 case PixelFormat16bppRGB565
:
675 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_16bppRGB565
);
676 case PixelFormat16bppARGB1555
:
677 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_16bppARGB1555
);
678 case PixelFormat24bppRGB
:
679 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_24bppRGB
);
680 case PixelFormat32bppRGB
:
681 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_32bppRGB
);
682 case PixelFormat32bppARGB
:
683 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_32bppARGB
);
684 case PixelFormat32bppPARGB
:
685 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_32bppPARGB
);
686 case PixelFormat48bppRGB
:
687 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_48bppRGB
);
688 case PixelFormat64bppARGB
:
689 convert_indexed_to_rgb(getpixel_8bppIndexed
, setpixel_64bppARGB
);
694 case PixelFormat16bppGrayScale
:
697 case PixelFormat1bppIndexed
:
698 convert_rgb_to_indexed(getpixel_16bppGrayScale
, setpixel_1bppIndexed
);
699 case PixelFormat8bppIndexed
:
700 convert_rgb_to_indexed(getpixel_16bppGrayScale
, setpixel_8bppIndexed
);
701 case PixelFormat16bppRGB555
:
702 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_16bppRGB555
);
703 case PixelFormat16bppRGB565
:
704 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_16bppRGB565
);
705 case PixelFormat16bppARGB1555
:
706 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_16bppARGB1555
);
707 case PixelFormat24bppRGB
:
708 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_24bppRGB
);
709 case PixelFormat32bppRGB
:
710 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_32bppRGB
);
711 case PixelFormat32bppARGB
:
712 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_32bppARGB
);
713 case PixelFormat32bppPARGB
:
714 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_32bppPARGB
);
715 case PixelFormat48bppRGB
:
716 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_48bppRGB
);
717 case PixelFormat64bppARGB
:
718 convert_rgb_to_rgb(getpixel_16bppGrayScale
, setpixel_64bppARGB
);
723 case PixelFormat16bppRGB555
:
726 case PixelFormat1bppIndexed
:
727 convert_rgb_to_indexed(getpixel_16bppRGB555
, setpixel_1bppIndexed
);
728 case PixelFormat8bppIndexed
:
729 convert_rgb_to_indexed(getpixel_16bppRGB555
, setpixel_8bppIndexed
);
730 case PixelFormat16bppGrayScale
:
731 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_16bppGrayScale
);
732 case PixelFormat16bppRGB565
:
733 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_16bppRGB565
);
734 case PixelFormat16bppARGB1555
:
735 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_16bppARGB1555
);
736 case PixelFormat24bppRGB
:
737 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_24bppRGB
);
738 case PixelFormat32bppRGB
:
739 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_32bppRGB
);
740 case PixelFormat32bppARGB
:
741 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_32bppARGB
);
742 case PixelFormat32bppPARGB
:
743 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_32bppPARGB
);
744 case PixelFormat48bppRGB
:
745 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_48bppRGB
);
746 case PixelFormat64bppARGB
:
747 convert_rgb_to_rgb(getpixel_16bppRGB555
, setpixel_64bppARGB
);
752 case PixelFormat16bppRGB565
:
755 case PixelFormat1bppIndexed
:
756 convert_rgb_to_indexed(getpixel_16bppRGB565
, setpixel_1bppIndexed
);
757 case PixelFormat8bppIndexed
:
758 convert_rgb_to_indexed(getpixel_16bppRGB565
, setpixel_8bppIndexed
);
759 case PixelFormat16bppGrayScale
:
760 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_16bppGrayScale
);
761 case PixelFormat16bppRGB555
:
762 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_16bppRGB555
);
763 case PixelFormat16bppARGB1555
:
764 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_16bppARGB1555
);
765 case PixelFormat24bppRGB
:
766 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_24bppRGB
);
767 case PixelFormat32bppRGB
:
768 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_32bppRGB
);
769 case PixelFormat32bppARGB
:
770 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_32bppARGB
);
771 case PixelFormat32bppPARGB
:
772 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_32bppPARGB
);
773 case PixelFormat48bppRGB
:
774 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_48bppRGB
);
775 case PixelFormat64bppARGB
:
776 convert_rgb_to_rgb(getpixel_16bppRGB565
, setpixel_64bppARGB
);
781 case PixelFormat16bppARGB1555
:
784 case PixelFormat1bppIndexed
:
785 convert_rgb_to_indexed(getpixel_16bppARGB1555
, setpixel_1bppIndexed
);
786 case PixelFormat8bppIndexed
:
787 convert_rgb_to_indexed(getpixel_16bppARGB1555
, setpixel_8bppIndexed
);
788 case PixelFormat16bppGrayScale
:
789 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_16bppGrayScale
);
790 case PixelFormat16bppRGB555
:
791 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_16bppRGB555
);
792 case PixelFormat16bppRGB565
:
793 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_16bppRGB565
);
794 case PixelFormat24bppRGB
:
795 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_24bppRGB
);
796 case PixelFormat32bppRGB
:
797 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_32bppRGB
);
798 case PixelFormat32bppARGB
:
799 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_32bppARGB
);
800 case PixelFormat32bppPARGB
:
801 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_32bppPARGB
);
802 case PixelFormat48bppRGB
:
803 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_48bppRGB
);
804 case PixelFormat64bppARGB
:
805 convert_rgb_to_rgb(getpixel_16bppARGB1555
, setpixel_64bppARGB
);
810 case PixelFormat24bppRGB
:
813 case PixelFormat1bppIndexed
:
814 convert_rgb_to_indexed(getpixel_24bppRGB
, setpixel_1bppIndexed
);
815 case PixelFormat8bppIndexed
:
816 convert_rgb_to_indexed(getpixel_24bppRGB
, setpixel_8bppIndexed
);
817 case PixelFormat16bppGrayScale
:
818 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_16bppGrayScale
);
819 case PixelFormat16bppRGB555
:
820 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_16bppRGB555
);
821 case PixelFormat16bppRGB565
:
822 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_16bppRGB565
);
823 case PixelFormat16bppARGB1555
:
824 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_16bppARGB1555
);
825 case PixelFormat32bppRGB
:
826 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_32bppRGB
);
827 case PixelFormat32bppARGB
:
828 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_32bppARGB
);
829 case PixelFormat32bppPARGB
:
830 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_32bppPARGB
);
831 case PixelFormat48bppRGB
:
832 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_48bppRGB
);
833 case PixelFormat64bppARGB
:
834 convert_rgb_to_rgb(getpixel_24bppRGB
, setpixel_64bppARGB
);
839 case PixelFormat32bppRGB
:
842 case PixelFormat1bppIndexed
:
843 convert_rgb_to_indexed(getpixel_32bppRGB
, setpixel_1bppIndexed
);
844 case PixelFormat8bppIndexed
:
845 convert_rgb_to_indexed(getpixel_32bppRGB
, setpixel_8bppIndexed
);
846 case PixelFormat16bppGrayScale
:
847 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_16bppGrayScale
);
848 case PixelFormat16bppRGB555
:
849 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_16bppRGB555
);
850 case PixelFormat16bppRGB565
:
851 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_16bppRGB565
);
852 case PixelFormat16bppARGB1555
:
853 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_16bppARGB1555
);
854 case PixelFormat24bppRGB
:
855 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_24bppRGB
);
856 case PixelFormat32bppARGB
:
857 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_32bppARGB
);
858 case PixelFormat32bppPARGB
:
859 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_32bppPARGB
);
860 case PixelFormat48bppRGB
:
861 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_48bppRGB
);
862 case PixelFormat64bppARGB
:
863 convert_rgb_to_rgb(getpixel_32bppRGB
, setpixel_64bppARGB
);
868 case PixelFormat32bppARGB
:
871 case PixelFormat1bppIndexed
:
872 convert_rgb_to_indexed(getpixel_32bppARGB
, setpixel_1bppIndexed
);
873 case PixelFormat8bppIndexed
:
874 convert_rgb_to_indexed(getpixel_32bppARGB
, setpixel_8bppIndexed
);
875 case PixelFormat16bppGrayScale
:
876 convert_rgb_to_rgb(getpixel_32bppARGB
, setpixel_16bppGrayScale
);
877 case PixelFormat16bppRGB555
:
878 convert_rgb_to_rgb(getpixel_32bppARGB
, setpixel_16bppRGB555
);
879 case PixelFormat16bppRGB565
:
880 convert_rgb_to_rgb(getpixel_32bppARGB
, setpixel_16bppRGB565
);
881 case PixelFormat16bppARGB1555
:
882 convert_rgb_to_rgb(getpixel_32bppARGB
, setpixel_16bppARGB1555
);
883 case PixelFormat24bppRGB
:
884 convert_rgb_to_rgb(getpixel_32bppARGB
, setpixel_24bppRGB
);
885 case PixelFormat32bppPARGB
:
886 convert_32bppARGB_to_32bppPARGB(width
, height
, dst_bits
, dst_stride
, src_bits
, src_stride
);
888 case PixelFormat48bppRGB
:
889 convert_rgb_to_rgb(getpixel_32bppARGB
, setpixel_48bppRGB
);
890 case PixelFormat64bppARGB
:
891 convert_rgb_to_rgb(getpixel_32bppARGB
, setpixel_64bppARGB
);
896 case PixelFormat32bppPARGB
:
899 case PixelFormat1bppIndexed
:
900 convert_rgb_to_indexed(getpixel_32bppPARGB
, setpixel_1bppIndexed
);
901 case PixelFormat8bppIndexed
:
902 convert_rgb_to_indexed(getpixel_32bppPARGB
, setpixel_8bppIndexed
);
903 case PixelFormat16bppGrayScale
:
904 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_16bppGrayScale
);
905 case PixelFormat16bppRGB555
:
906 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_16bppRGB555
);
907 case PixelFormat16bppRGB565
:
908 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_16bppRGB565
);
909 case PixelFormat16bppARGB1555
:
910 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_16bppARGB1555
);
911 case PixelFormat24bppRGB
:
912 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_24bppRGB
);
913 case PixelFormat32bppRGB
:
914 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_32bppRGB
);
915 case PixelFormat32bppARGB
:
916 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_32bppARGB
);
917 case PixelFormat48bppRGB
:
918 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_48bppRGB
);
919 case PixelFormat64bppARGB
:
920 convert_rgb_to_rgb(getpixel_32bppPARGB
, setpixel_64bppARGB
);
925 case PixelFormat48bppRGB
:
928 case PixelFormat1bppIndexed
:
929 convert_rgb_to_indexed(getpixel_48bppRGB
, setpixel_1bppIndexed
);
930 case PixelFormat8bppIndexed
:
931 convert_rgb_to_indexed(getpixel_48bppRGB
, setpixel_8bppIndexed
);
932 case PixelFormat16bppGrayScale
:
933 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_16bppGrayScale
);
934 case PixelFormat16bppRGB555
:
935 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_16bppRGB555
);
936 case PixelFormat16bppRGB565
:
937 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_16bppRGB565
);
938 case PixelFormat16bppARGB1555
:
939 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_16bppARGB1555
);
940 case PixelFormat24bppRGB
:
941 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_24bppRGB
);
942 case PixelFormat32bppRGB
:
943 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_32bppRGB
);
944 case PixelFormat32bppARGB
:
945 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_32bppARGB
);
946 case PixelFormat32bppPARGB
:
947 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_32bppPARGB
);
948 case PixelFormat64bppARGB
:
949 convert_rgb_to_rgb(getpixel_48bppRGB
, setpixel_64bppARGB
);
954 case PixelFormat64bppARGB
:
957 case PixelFormat1bppIndexed
:
958 convert_rgb_to_indexed(getpixel_64bppARGB
, setpixel_1bppIndexed
);
959 case PixelFormat8bppIndexed
:
960 convert_rgb_to_indexed(getpixel_64bppARGB
, setpixel_8bppIndexed
);
961 case PixelFormat16bppGrayScale
:
962 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_16bppGrayScale
);
963 case PixelFormat16bppRGB555
:
964 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_16bppRGB555
);
965 case PixelFormat16bppRGB565
:
966 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_16bppRGB565
);
967 case PixelFormat16bppARGB1555
:
968 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_16bppARGB1555
);
969 case PixelFormat24bppRGB
:
970 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_24bppRGB
);
971 case PixelFormat32bppRGB
:
972 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_32bppRGB
);
973 case PixelFormat32bppARGB
:
974 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_32bppARGB
);
975 case PixelFormat32bppPARGB
:
976 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_32bppPARGB
);
977 case PixelFormat48bppRGB
:
978 convert_rgb_to_rgb(getpixel_64bppARGB
, setpixel_48bppRGB
);
983 case PixelFormat64bppPARGB
:
986 case PixelFormat1bppIndexed
:
987 convert_rgb_to_indexed(getpixel_64bppPARGB
, setpixel_1bppIndexed
);
988 case PixelFormat8bppIndexed
:
989 convert_rgb_to_indexed(getpixel_64bppPARGB
, setpixel_8bppIndexed
);
990 case PixelFormat16bppGrayScale
:
991 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_16bppGrayScale
);
992 case PixelFormat16bppRGB555
:
993 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_16bppRGB555
);
994 case PixelFormat16bppRGB565
:
995 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_16bppRGB565
);
996 case PixelFormat16bppARGB1555
:
997 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_16bppARGB1555
);
998 case PixelFormat24bppRGB
:
999 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_24bppRGB
);
1000 case PixelFormat32bppRGB
:
1001 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_32bppRGB
);
1002 case PixelFormat32bppARGB
:
1003 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_32bppARGB
);
1004 case PixelFormat32bppPARGB
:
1005 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_32bppPARGB
);
1006 case PixelFormat48bppRGB
:
1007 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_48bppRGB
);
1008 case PixelFormat64bppARGB
:
1009 convert_rgb_to_rgb(getpixel_64bppPARGB
, setpixel_64bppARGB
);
1018 #undef convert_indexed_to_rgb
1019 #undef convert_rgb_to_rgb
1021 return NotImplemented
;
1024 /* This function returns a pointer to an array of pixels that represents the
1025 * bitmap. The *entire* bitmap is locked according to the lock mode specified by
1026 * flags. It is correct behavior that a user who calls this function with write
1027 * privileges can write to the whole bitmap (not just the area in rect).
1029 * FIXME: only used portion of format is bits per pixel. */
1030 GpStatus WINGDIPAPI
GdipBitmapLockBits(GpBitmap
* bitmap
, GDIPCONST GpRect
* rect
,
1031 UINT flags
, PixelFormat format
, BitmapData
* lockeddata
)
1033 INT bitspp
= PIXELFORMATBPP(format
);
1034 GpRect act_rect
; /* actual rect to be used */
1038 TRACE("%p %p %d 0x%x %p\n", bitmap
, rect
, flags
, format
, lockeddata
);
1040 if(!lockeddata
|| !bitmap
)
1041 return InvalidParameter
;
1042 if(!image_lock(&bitmap
->image
, &unlock
))
1046 if(rect
->X
< 0 || rect
->Y
< 0 || (rect
->X
+ rect
->Width
> bitmap
->width
) ||
1047 (rect
->Y
+ rect
->Height
> bitmap
->height
) || !flags
)
1049 image_unlock(&bitmap
->image
, unlock
);
1050 return InvalidParameter
;
1056 act_rect
.X
= act_rect
.Y
= 0;
1057 act_rect
.Width
= bitmap
->width
;
1058 act_rect
.Height
= bitmap
->height
;
1061 if(bitmap
->lockmode
)
1063 WARN("bitmap is already locked and cannot be locked again\n");
1064 image_unlock(&bitmap
->image
, unlock
);
1068 if (bitmap
->bits
&& bitmap
->format
== format
&& !(flags
& ImageLockModeUserInputBuf
))
1070 /* no conversion is necessary; just use the bits directly */
1071 lockeddata
->Width
= act_rect
.Width
;
1072 lockeddata
->Height
= act_rect
.Height
;
1073 lockeddata
->PixelFormat
= format
;
1074 lockeddata
->Reserved
= flags
;
1075 lockeddata
->Stride
= bitmap
->stride
;
1076 lockeddata
->Scan0
= bitmap
->bits
+ (bitspp
/ 8) * act_rect
.X
+
1077 bitmap
->stride
* act_rect
.Y
;
1079 bitmap
->lockmode
= flags
| ImageLockModeRead
;
1081 image_unlock(&bitmap
->image
, unlock
);
1085 /* Make sure we can convert to the requested format. */
1086 if (flags
& ImageLockModeRead
)
1088 stat
= convert_pixels(0, 0, 0, NULL
, format
, 0, NULL
, bitmap
->format
, NULL
);
1089 if (stat
== NotImplemented
)
1091 FIXME("cannot read bitmap from %x to %x\n", bitmap
->format
, format
);
1092 image_unlock(&bitmap
->image
, unlock
);
1093 return NotImplemented
;
1097 /* If we're opening for writing, make sure we'll be able to write back in
1098 * the original format. */
1099 if (flags
& ImageLockModeWrite
)
1101 stat
= convert_pixels(0, 0, 0, NULL
, bitmap
->format
, 0, NULL
, format
, NULL
);
1102 if (stat
== NotImplemented
)
1104 FIXME("cannot write bitmap from %x to %x\n", format
, bitmap
->format
);
1105 image_unlock(&bitmap
->image
, unlock
);
1106 return NotImplemented
;
1110 lockeddata
->Width
= act_rect
.Width
;
1111 lockeddata
->Height
= act_rect
.Height
;
1112 lockeddata
->PixelFormat
= format
;
1113 lockeddata
->Reserved
= flags
;
1115 if(!(flags
& ImageLockModeUserInputBuf
))
1117 lockeddata
->Stride
= (((act_rect
.Width
* bitspp
+ 7) / 8) + 3) & ~3;
1119 bitmap
->bitmapbits
= heap_alloc_zero(lockeddata
->Stride
* act_rect
.Height
);
1121 if (!bitmap
->bitmapbits
)
1123 image_unlock(&bitmap
->image
, unlock
);
1127 lockeddata
->Scan0
= bitmap
->bitmapbits
;
1130 if (flags
& ImageLockModeRead
)
1132 static BOOL fixme
= FALSE
;
1134 if (!fixme
&& (PIXELFORMATBPP(bitmap
->format
) * act_rect
.X
) % 8 != 0)
1136 FIXME("Cannot copy rows that don't start at a whole byte.\n");
1140 stat
= convert_pixels(act_rect
.Width
, act_rect
.Height
,
1141 lockeddata
->Stride
, lockeddata
->Scan0
, format
,
1143 bitmap
->bits
+ bitmap
->stride
* act_rect
.Y
+ PIXELFORMATBPP(bitmap
->format
) * act_rect
.X
/ 8,
1144 bitmap
->format
, bitmap
->image
.palette
);
1148 heap_free(bitmap
->bitmapbits
);
1149 bitmap
->bitmapbits
= NULL
;
1150 image_unlock(&bitmap
->image
, unlock
);
1155 bitmap
->lockmode
= flags
| ImageLockModeRead
;
1156 bitmap
->lockx
= act_rect
.X
;
1157 bitmap
->locky
= act_rect
.Y
;
1159 image_unlock(&bitmap
->image
, unlock
);
1163 GpStatus WINGDIPAPI
GdipBitmapSetResolution(GpBitmap
* bitmap
, REAL xdpi
, REAL ydpi
)
1165 TRACE("(%p, %.2f, %.2f)\n", bitmap
, xdpi
, ydpi
);
1167 if (!bitmap
|| xdpi
== 0.0 || ydpi
== 0.0)
1168 return InvalidParameter
;
1170 bitmap
->image
.xres
= xdpi
;
1171 bitmap
->image
.yres
= ydpi
;
1176 GpStatus WINGDIPAPI
GdipBitmapUnlockBits(GpBitmap
* bitmap
,
1177 BitmapData
* lockeddata
)
1180 static BOOL fixme
= FALSE
;
1183 TRACE("(%p,%p)\n", bitmap
, lockeddata
);
1185 if(!bitmap
|| !lockeddata
)
1186 return InvalidParameter
;
1187 if(!image_lock(&bitmap
->image
, &unlock
))
1190 if(!bitmap
->lockmode
)
1192 image_unlock(&bitmap
->image
, unlock
);
1196 if(!(lockeddata
->Reserved
& ImageLockModeWrite
)){
1197 bitmap
->lockmode
= 0;
1198 heap_free(bitmap
->bitmapbits
);
1199 bitmap
->bitmapbits
= NULL
;
1200 image_unlock(&bitmap
->image
, unlock
);
1204 if (!bitmap
->bitmapbits
&& !(lockeddata
->Reserved
& ImageLockModeUserInputBuf
))
1206 /* we passed a direct reference; no need to do anything */
1207 bitmap
->lockmode
= 0;
1208 image_unlock(&bitmap
->image
, unlock
);
1212 if (!fixme
&& (PIXELFORMATBPP(bitmap
->format
) * bitmap
->lockx
) % 8 != 0)
1214 FIXME("Cannot copy rows that don't start at a whole byte.\n");
1218 stat
= convert_pixels(lockeddata
->Width
, lockeddata
->Height
,
1220 bitmap
->bits
+ bitmap
->stride
* bitmap
->locky
+ PIXELFORMATBPP(bitmap
->format
) * bitmap
->lockx
/ 8,
1222 lockeddata
->Stride
, lockeddata
->Scan0
, lockeddata
->PixelFormat
, NULL
);
1226 ERR("failed to convert pixels; this should never happen\n");
1229 heap_free(bitmap
->bitmapbits
);
1230 bitmap
->bitmapbits
= NULL
;
1231 bitmap
->lockmode
= 0;
1233 image_unlock(&bitmap
->image
, unlock
);
1237 GpStatus WINGDIPAPI
GdipCloneBitmapArea(REAL x
, REAL y
, REAL width
, REAL height
,
1238 PixelFormat format
, GpBitmap
* srcBitmap
, GpBitmap
** dstBitmap
)
1243 TRACE("(%f,%f,%f,%f,0x%x,%p,%p)\n", x
, y
, width
, height
, format
, srcBitmap
, dstBitmap
);
1245 if (!srcBitmap
|| !dstBitmap
|| srcBitmap
->image
.type
!= ImageTypeBitmap
||
1247 x
+ width
> srcBitmap
->width
|| y
+ height
> srcBitmap
->height
)
1249 TRACE("<-- InvalidParameter\n");
1250 return InvalidParameter
;
1253 if (format
== PixelFormatDontCare
)
1254 format
= srcBitmap
->format
;
1256 area
.X
= gdip_round(x
);
1257 area
.Y
= gdip_round(y
);
1258 area
.Width
= gdip_round(width
);
1259 area
.Height
= gdip_round(height
);
1261 stat
= GdipCreateBitmapFromScan0(area
.Width
, area
.Height
, 0, format
, NULL
, dstBitmap
);
1264 stat
= convert_pixels(area
.Width
, area
.Height
, (*dstBitmap
)->stride
, (*dstBitmap
)->bits
, (*dstBitmap
)->format
,
1266 srcBitmap
->bits
+ srcBitmap
->stride
* area
.Y
+ PIXELFORMATBPP(srcBitmap
->format
) * area
.X
/ 8,
1267 srcBitmap
->format
, srcBitmap
->image
.palette
);
1269 if (stat
== Ok
&& srcBitmap
->image
.palette
)
1271 ColorPalette
*src_palette
, *dst_palette
;
1273 src_palette
= srcBitmap
->image
.palette
;
1275 dst_palette
= heap_alloc_zero(sizeof(UINT
) * 2 + sizeof(ARGB
) * src_palette
->Count
);
1279 dst_palette
->Flags
= src_palette
->Flags
;
1280 dst_palette
->Count
= src_palette
->Count
;
1281 memcpy(dst_palette
->Entries
, src_palette
->Entries
, sizeof(ARGB
) * src_palette
->Count
);
1283 heap_free((*dstBitmap
)->image
.palette
);
1284 (*dstBitmap
)->image
.palette
= dst_palette
;
1291 GdipDisposeImage(&(*dstBitmap
)->image
);
1300 GpStatus WINGDIPAPI
GdipCloneBitmapAreaI(INT x
, INT y
, INT width
, INT height
,
1301 PixelFormat format
, GpBitmap
* srcBitmap
, GpBitmap
** dstBitmap
)
1303 TRACE("(%i,%i,%i,%i,0x%x,%p,%p)\n", x
, y
, width
, height
, format
, srcBitmap
, dstBitmap
);
1305 return GdipCloneBitmapArea(x
, y
, width
, height
, format
, srcBitmap
, dstBitmap
);
1308 GpStatus WINGDIPAPI
GdipCloneImage(GpImage
*image
, GpImage
**cloneImage
)
1310 TRACE("%p, %p\n", image
, cloneImage
);
1312 if (!image
|| !cloneImage
)
1313 return InvalidParameter
;
1315 if (image
->type
== ImageTypeBitmap
)
1317 GpBitmap
*bitmap
= (GpBitmap
*)image
;
1319 return GdipCloneBitmapAreaI(0, 0, bitmap
->width
, bitmap
->height
,
1320 bitmap
->format
, bitmap
, (GpBitmap
**)cloneImage
);
1322 else if (image
->type
== ImageTypeMetafile
&& ((GpMetafile
*)image
)->hemf
)
1324 GpMetafile
*result
, *metafile
;
1326 metafile
= (GpMetafile
*)image
;
1328 result
= heap_alloc_zero(sizeof(*result
));
1332 result
->image
.type
= ImageTypeMetafile
;
1333 result
->image
.format
= image
->format
;
1334 result
->image
.flags
= image
->flags
;
1335 result
->image
.frame_count
= 1;
1336 result
->image
.xres
= image
->xres
;
1337 result
->image
.yres
= image
->yres
;
1338 result
->bounds
= metafile
->bounds
;
1339 result
->unit
= metafile
->unit
;
1340 result
->metafile_type
= metafile
->metafile_type
;
1341 result
->hemf
= CopyEnhMetaFileW(metafile
->hemf
, NULL
);
1342 list_init(&result
->containers
);
1350 *cloneImage
= &result
->image
;
1355 WARN("GpImage with no image data (metafile in wrong state?)\n");
1356 return InvalidParameter
;
1360 GpStatus WINGDIPAPI
GdipCreateBitmapFromFile(GDIPCONST WCHAR
* filename
,
1366 TRACE("(%s) %p\n", debugstr_w(filename
), bitmap
);
1368 if(!filename
|| !bitmap
)
1369 return InvalidParameter
;
1373 stat
= GdipCreateStreamOnFile(filename
, GENERIC_READ
, &stream
);
1378 stat
= GdipCreateBitmapFromStream(stream
, bitmap
);
1380 IStream_Release(stream
);
1385 GpStatus WINGDIPAPI
GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO
* info
,
1386 VOID
*bits
, GpBitmap
**bitmap
)
1388 DWORD height
, stride
;
1391 FIXME("(%p, %p, %p) - partially implemented\n", info
, bits
, bitmap
);
1393 if (!info
|| !bits
|| !bitmap
)
1394 return InvalidParameter
;
1396 height
= abs(info
->bmiHeader
.biHeight
);
1397 stride
= ((info
->bmiHeader
.biWidth
* info
->bmiHeader
.biBitCount
+ 31) >> 3) & ~3;
1399 if(info
->bmiHeader
.biHeight
> 0) /* bottom-up */
1401 bits
= (BYTE
*)bits
+ (height
- 1) * stride
;
1405 switch(info
->bmiHeader
.biBitCount
) {
1407 format
= PixelFormat1bppIndexed
;
1410 format
= PixelFormat4bppIndexed
;
1413 format
= PixelFormat8bppIndexed
;
1416 format
= PixelFormat16bppRGB555
;
1419 format
= PixelFormat24bppRGB
;
1422 format
= PixelFormat32bppRGB
;
1425 FIXME("don't know how to handle %d bpp\n", info
->bmiHeader
.biBitCount
);
1427 return InvalidParameter
;
1430 return GdipCreateBitmapFromScan0(info
->bmiHeader
.biWidth
, height
, stride
, format
,
1436 GpStatus WINGDIPAPI
GdipCreateBitmapFromFileICM(GDIPCONST WCHAR
* filename
,
1439 TRACE("(%s) %p\n", debugstr_w(filename
), bitmap
);
1441 return GdipCreateBitmapFromFile(filename
, bitmap
);
1444 GpStatus WINGDIPAPI
GdipCreateBitmapFromResource(HINSTANCE hInstance
,
1445 GDIPCONST WCHAR
* lpBitmapName
, GpBitmap
** bitmap
)
1448 GpStatus stat
= InvalidParameter
;
1450 TRACE("%p (%s) %p\n", hInstance
, debugstr_w(lpBitmapName
), bitmap
);
1452 if(!lpBitmapName
|| !bitmap
)
1453 return InvalidParameter
;
1456 hbm
= LoadImageW(hInstance
, lpBitmapName
, IMAGE_BITMAP
, 0, 0,
1457 LR_CREATEDIBSECTION
);
1460 stat
= GdipCreateBitmapFromHBITMAP(hbm
, NULL
, bitmap
);
1467 static inline DWORD
blend_argb_no_bkgnd_alpha(DWORD src
, DWORD bkgnd
)
1470 BYTE g
= (BYTE
)(src
>> 8);
1471 BYTE r
= (BYTE
)(src
>> 16);
1472 DWORD alpha
= (BYTE
)(src
>> 24);
1473 return ((b
+ ((BYTE
)bkgnd
* (255 - alpha
) + 127) / 255) |
1474 (g
+ ((BYTE
)(bkgnd
>> 8) * (255 - alpha
) + 127) / 255) << 8 |
1475 (r
+ ((BYTE
)(bkgnd
>> 16) * (255 - alpha
) + 127) / 255) << 16 |
1479 GpStatus WINGDIPAPI
GdipCreateHBITMAPFromBitmap(GpBitmap
* bitmap
,
1480 HBITMAP
* hbmReturn
, ARGB background
)
1485 BITMAPINFOHEADER bih
;
1489 TRACE("(%p,%p,%x)\n", bitmap
, hbmReturn
, background
);
1491 if (!bitmap
|| !hbmReturn
) return InvalidParameter
;
1492 if (!image_lock(&bitmap
->image
, &unlock
)) return ObjectBusy
;
1494 GdipGetImageWidth(&bitmap
->image
, &width
);
1495 GdipGetImageHeight(&bitmap
->image
, &height
);
1497 bih
.biSize
= sizeof(bih
);
1498 bih
.biWidth
= width
;
1499 bih
.biHeight
= height
;
1501 bih
.biBitCount
= 32;
1502 bih
.biCompression
= BI_RGB
;
1503 bih
.biSizeImage
= 0;
1504 bih
.biXPelsPerMeter
= 0;
1505 bih
.biYPelsPerMeter
= 0;
1507 bih
.biClrImportant
= 0;
1509 result
= CreateDIBSection(0, (BITMAPINFO
*)&bih
, DIB_RGB_COLORS
, (void**)&bits
, NULL
, 0);
1512 image_unlock(&bitmap
->image
, unlock
);
1513 return GenericError
;
1516 stat
= convert_pixels(width
, height
, -width
*4,
1517 bits
+ (width
* 4 * (height
- 1)), PixelFormat32bppPARGB
,
1518 bitmap
->stride
, bitmap
->bits
, bitmap
->format
, bitmap
->image
.palette
);
1521 DeleteObject(result
);
1522 image_unlock(&bitmap
->image
, unlock
);
1526 if (background
& 0xffffff)
1530 for (ptr
= (DWORD
*)bits
, i
= 0; i
< width
* height
; ptr
++, i
++)
1532 if ((*ptr
& 0xff000000) == 0xff000000) continue;
1533 *ptr
= blend_argb_no_bkgnd_alpha(*ptr
, background
);
1537 *hbmReturn
= result
;
1538 image_unlock(&bitmap
->image
, unlock
);
1542 GpStatus WINGDIPAPI
GdipCreateBitmapFromGraphics(INT width
, INT height
,
1543 GpGraphics
* target
, GpBitmap
** bitmap
)
1547 TRACE("(%d, %d, %p, %p)\n", width
, height
, target
, bitmap
);
1549 if(!target
|| !bitmap
)
1550 return InvalidParameter
;
1552 ret
= GdipCreateBitmapFromScan0(width
, height
, 0, PixelFormat32bppPARGB
,
1557 GdipGetDpiX(target
, &(*bitmap
)->image
.xres
);
1558 GdipGetDpiY(target
, &(*bitmap
)->image
.yres
);
1564 GpStatus WINGDIPAPI
GdipCreateBitmapFromHICON(HICON hicon
, GpBitmap
** bitmap
)
1570 UINT width
, height
, stride
;
1572 BitmapData lockeddata
;
1576 BITMAPINFOHEADER bih
;
1581 TRACE("%p, %p\n", hicon
, bitmap
);
1583 if(!bitmap
|| !GetIconInfo(hicon
, &iinfo
))
1584 return InvalidParameter
;
1586 /* get the size of the icon */
1587 ret
= GetObjectA(iinfo
.hbmColor
? iinfo
.hbmColor
: iinfo
.hbmMask
, sizeof(bm
), &bm
);
1589 DeleteObject(iinfo
.hbmColor
);
1590 DeleteObject(iinfo
.hbmMask
);
1591 return GenericError
;
1595 height
= iinfo
.hbmColor
? abs(bm
.bmHeight
) : abs(bm
.bmHeight
) / 2;
1598 stat
= GdipCreateBitmapFromScan0(width
, height
, stride
, PixelFormat32bppARGB
, NULL
, bitmap
);
1600 DeleteObject(iinfo
.hbmColor
);
1601 DeleteObject(iinfo
.hbmMask
);
1608 rect
.Height
= height
;
1610 stat
= GdipBitmapLockBits(*bitmap
, &rect
, ImageLockModeWrite
, PixelFormat32bppARGB
, &lockeddata
);
1612 DeleteObject(iinfo
.hbmColor
);
1613 DeleteObject(iinfo
.hbmMask
);
1614 GdipDisposeImage(&(*bitmap
)->image
);
1618 bih
.biSize
= sizeof(bih
);
1619 bih
.biWidth
= width
;
1620 bih
.biHeight
= iinfo
.hbmColor
? -height
: -height
* 2;
1622 bih
.biBitCount
= 32;
1623 bih
.biCompression
= BI_RGB
;
1624 bih
.biSizeImage
= 0;
1625 bih
.biXPelsPerMeter
= 0;
1626 bih
.biYPelsPerMeter
= 0;
1628 bih
.biClrImportant
= 0;
1630 screendc
= CreateCompatibleDC(0);
1633 GetDIBits(screendc
, iinfo
.hbmColor
, 0, height
, lockeddata
.Scan0
, (BITMAPINFO
*)&bih
, DIB_RGB_COLORS
);
1635 if (bm
.bmBitsPixel
== 32)
1639 /* If any pixel has a non-zero alpha, ignore hbmMask */
1640 src
= (DWORD
*)lockeddata
.Scan0
;
1641 for (x
=0; x
<width
&& !has_alpha
; x
++)
1642 for (y
=0; y
<height
&& !has_alpha
; y
++)
1643 if ((*src
++ & 0xff000000) != 0)
1646 else has_alpha
= FALSE
;
1650 GetDIBits(screendc
, iinfo
.hbmMask
, 0, height
, lockeddata
.Scan0
, (BITMAPINFO
*)&bih
, DIB_RGB_COLORS
);
1658 BYTE
*bits
= heap_alloc(height
* stride
);
1660 /* read alpha data from the mask */
1662 GetDIBits(screendc
, iinfo
.hbmMask
, 0, height
, bits
, (BITMAPINFO
*)&bih
, DIB_RGB_COLORS
);
1664 GetDIBits(screendc
, iinfo
.hbmMask
, height
, height
, bits
, (BITMAPINFO
*)&bih
, DIB_RGB_COLORS
);
1667 dst_row
= lockeddata
.Scan0
;
1668 for (y
=0; y
<height
; y
++)
1670 dst
= (DWORD
*)dst_row
;
1671 for (x
=0; x
<height
; x
++)
1673 DWORD src_value
= *src
++;
1677 *dst
++ |= 0xff000000;
1679 dst_row
+= lockeddata
.Stride
;
1686 /* set constant alpha of 255 */
1687 dst_row
= lockeddata
.Scan0
;
1688 for (y
=0; y
<height
; y
++)
1690 dst
= (DWORD
*)dst_row
;
1691 for (x
=0; x
<height
; x
++)
1692 *dst
++ |= 0xff000000;
1693 dst_row
+= lockeddata
.Stride
;
1700 DeleteObject(iinfo
.hbmColor
);
1701 DeleteObject(iinfo
.hbmMask
);
1703 GdipBitmapUnlockBits(*bitmap
, &lockeddata
);
1708 static void generate_halftone_palette(ARGB
*entries
, UINT count
)
1710 static const BYTE halftone_values
[6]={0x00,0x33,0x66,0x99,0xcc,0xff};
1713 for (i
=0; i
<8 && i
<count
; i
++)
1715 entries
[i
] = 0xff000000;
1716 if (i
&1) entries
[i
] |= 0x800000;
1717 if (i
&2) entries
[i
] |= 0x8000;
1718 if (i
&4) entries
[i
] |= 0x80;
1722 entries
[i
] = 0xffc0c0c0;
1724 for (i
=9; i
<16 && i
<count
; i
++)
1726 entries
[i
] = 0xff000000;
1727 if (i
&1) entries
[i
] |= 0xff0000;
1728 if (i
&2) entries
[i
] |= 0xff00;
1729 if (i
&4) entries
[i
] |= 0xff;
1732 for (i
=16; i
<40 && i
<count
; i
++)
1737 for (i
=40; i
<256 && i
<count
; i
++)
1739 entries
[i
] = 0xff000000;
1740 entries
[i
] |= halftone_values
[(i
-40)%6];
1741 entries
[i
] |= halftone_values
[((i
-40)/6)%6] << 8;
1742 entries
[i
] |= halftone_values
[((i
-40)/36)%6] << 16;
1746 static GpStatus
get_screen_resolution(REAL
*xres
, REAL
*yres
)
1748 HDC screendc
= CreateCompatibleDC(0);
1750 if (!screendc
) return GenericError
;
1752 *xres
= (REAL
)GetDeviceCaps(screendc
, LOGPIXELSX
);
1753 *yres
= (REAL
)GetDeviceCaps(screendc
, LOGPIXELSY
);
1760 GpStatus WINGDIPAPI
GdipCreateBitmapFromScan0(INT width
, INT height
, INT stride
,
1761 PixelFormat format
, BYTE
* scan0
, GpBitmap
** bitmap
)
1763 HBITMAP hbitmap
=NULL
;
1764 INT row_size
, dib_stride
;
1765 BYTE
*bits
=NULL
, *own_bits
=NULL
;
1769 TRACE("%d %d %d 0x%x %p %p\n", width
, height
, stride
, format
, scan0
, bitmap
);
1771 if (!bitmap
) return InvalidParameter
;
1773 if(width
<= 0 || height
<= 0 || (scan0
&& (stride
% 4))){
1775 return InvalidParameter
;
1778 if(scan0
&& !stride
)
1779 return InvalidParameter
;
1781 stat
= get_screen_resolution(&xres
, &yres
);
1782 if (stat
!= Ok
) return stat
;
1784 row_size
= (width
* PIXELFORMATBPP(format
)+7) / 8;
1785 dib_stride
= (row_size
+ 3) & ~3;
1788 stride
= dib_stride
;
1790 if (format
& PixelFormatGDI
&& !(format
& (PixelFormatAlpha
|PixelFormatIndexed
)) && !scan0
)
1792 char bmibuf
[FIELD_OFFSET(BITMAPINFO
, bmiColors
) + 256 * sizeof(RGBQUAD
)];
1793 BITMAPINFO
*pbmi
= (BITMAPINFO
*)bmibuf
;
1795 pbmi
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
1796 pbmi
->bmiHeader
.biWidth
= width
;
1797 pbmi
->bmiHeader
.biHeight
= -height
;
1798 pbmi
->bmiHeader
.biPlanes
= 1;
1799 /* FIXME: use the rest of the data from format */
1800 pbmi
->bmiHeader
.biBitCount
= PIXELFORMATBPP(format
);
1801 pbmi
->bmiHeader
.biCompression
= BI_RGB
;
1802 pbmi
->bmiHeader
.biSizeImage
= 0;
1803 pbmi
->bmiHeader
.biXPelsPerMeter
= 0;
1804 pbmi
->bmiHeader
.biYPelsPerMeter
= 0;
1805 pbmi
->bmiHeader
.biClrUsed
= 0;
1806 pbmi
->bmiHeader
.biClrImportant
= 0;
1808 hbitmap
= CreateDIBSection(0, pbmi
, DIB_RGB_COLORS
, (void**)&bits
, NULL
, 0);
1810 if (!hbitmap
) return GenericError
;
1812 stride
= dib_stride
;
1816 /* Not a GDI format; don't try to make an HBITMAP. */
1821 INT size
= abs(stride
) * height
;
1823 own_bits
= bits
= heap_alloc_zero(size
);
1824 if (!own_bits
) return OutOfMemory
;
1827 bits
+= stride
* (1 - height
);
1831 *bitmap
= heap_alloc_zero(sizeof(GpBitmap
));
1834 DeleteObject(hbitmap
);
1835 heap_free(own_bits
);
1839 (*bitmap
)->image
.type
= ImageTypeBitmap
;
1840 memcpy(&(*bitmap
)->image
.format
, &ImageFormatMemoryBMP
, sizeof(GUID
));
1841 (*bitmap
)->image
.flags
= ImageFlagsNone
;
1842 (*bitmap
)->image
.frame_count
= 1;
1843 (*bitmap
)->image
.current_frame
= 0;
1844 (*bitmap
)->image
.palette
= NULL
;
1845 (*bitmap
)->image
.xres
= xres
;
1846 (*bitmap
)->image
.yres
= yres
;
1847 (*bitmap
)->width
= width
;
1848 (*bitmap
)->height
= height
;
1849 (*bitmap
)->format
= format
;
1850 (*bitmap
)->image
.decoder
= NULL
;
1851 (*bitmap
)->hbitmap
= hbitmap
;
1852 (*bitmap
)->hdc
= NULL
;
1853 (*bitmap
)->bits
= bits
;
1854 (*bitmap
)->stride
= stride
;
1855 (*bitmap
)->own_bits
= own_bits
;
1856 (*bitmap
)->metadata_reader
= NULL
;
1857 (*bitmap
)->prop_count
= 0;
1858 (*bitmap
)->prop_item
= NULL
;
1860 /* set format-related flags */
1861 if (format
& (PixelFormatAlpha
|PixelFormatPAlpha
|PixelFormatIndexed
))
1862 (*bitmap
)->image
.flags
|= ImageFlagsHasAlpha
;
1864 if (format
== PixelFormat1bppIndexed
||
1865 format
== PixelFormat4bppIndexed
||
1866 format
== PixelFormat8bppIndexed
)
1868 (*bitmap
)->image
.palette
= heap_alloc_zero(sizeof(UINT
) * 2 + sizeof(ARGB
) * (1 << PIXELFORMATBPP(format
)));
1870 if (!(*bitmap
)->image
.palette
)
1872 GdipDisposeImage(&(*bitmap
)->image
);
1877 (*bitmap
)->image
.palette
->Count
= 1 << PIXELFORMATBPP(format
);
1879 if (format
== PixelFormat1bppIndexed
)
1881 (*bitmap
)->image
.palette
->Flags
= PaletteFlagsGrayScale
;
1882 (*bitmap
)->image
.palette
->Entries
[0] = 0xff000000;
1883 (*bitmap
)->image
.palette
->Entries
[1] = 0xffffffff;
1887 if (format
== PixelFormat8bppIndexed
)
1888 (*bitmap
)->image
.palette
->Flags
= PaletteFlagsHalftone
;
1890 generate_halftone_palette((*bitmap
)->image
.palette
->Entries
,
1891 (*bitmap
)->image
.palette
->Count
);
1895 TRACE("<-- %p\n", *bitmap
);
1900 GpStatus WINGDIPAPI
GdipCreateBitmapFromStream(IStream
* stream
,
1905 TRACE("%p %p\n", stream
, bitmap
);
1907 stat
= GdipLoadImageFromStream(stream
, (GpImage
**) bitmap
);
1912 if((*bitmap
)->image
.type
!= ImageTypeBitmap
){
1913 GdipDisposeImage(&(*bitmap
)->image
);
1915 return GenericError
; /* FIXME: what error to return? */
1922 GpStatus WINGDIPAPI
GdipCreateBitmapFromStreamICM(IStream
* stream
,
1925 TRACE("%p %p\n", stream
, bitmap
);
1927 return GdipCreateBitmapFromStream(stream
, bitmap
);
1930 GpStatus WINGDIPAPI
GdipCreateCachedBitmap(GpBitmap
*bitmap
, GpGraphics
*graphics
,
1931 GpCachedBitmap
**cachedbmp
)
1935 TRACE("%p %p %p\n", bitmap
, graphics
, cachedbmp
);
1937 if(!bitmap
|| !graphics
|| !cachedbmp
)
1938 return InvalidParameter
;
1940 *cachedbmp
= heap_alloc_zero(sizeof(GpCachedBitmap
));
1944 stat
= GdipCloneImage(&(bitmap
->image
), &(*cachedbmp
)->image
);
1946 heap_free(*cachedbmp
);
1953 GpStatus WINGDIPAPI
GdipCreateHICONFromBitmap(GpBitmap
*bitmap
, HICON
*hicon
)
1956 BitmapData lockeddata
;
1957 ULONG andstride
, xorstride
, bitssize
;
1958 LPBYTE andbits
, xorbits
, androw
, xorrow
, srcrow
;
1961 TRACE("(%p, %p)\n", bitmap
, hicon
);
1963 if (!bitmap
|| !hicon
)
1964 return InvalidParameter
;
1966 stat
= GdipBitmapLockBits(bitmap
, NULL
, ImageLockModeRead
,
1967 PixelFormat32bppPARGB
, &lockeddata
);
1970 andstride
= ((lockeddata
.Width
+31)/32)*4;
1971 xorstride
= lockeddata
.Width
*4;
1972 bitssize
= (andstride
+ xorstride
) * lockeddata
.Height
;
1974 andbits
= heap_alloc_zero(bitssize
);
1978 xorbits
= andbits
+ andstride
* lockeddata
.Height
;
1980 for (y
=0; y
<lockeddata
.Height
; y
++)
1982 srcrow
= ((LPBYTE
)lockeddata
.Scan0
) + lockeddata
.Stride
* y
;
1984 androw
= andbits
+ andstride
* y
;
1985 for (x
=0; x
<lockeddata
.Width
; x
++)
1986 if (srcrow
[3+4*x
] >= 128)
1987 androw
[x
/8] |= 1 << (7-x
%8);
1989 xorrow
= xorbits
+ xorstride
* y
;
1990 memcpy(xorrow
, srcrow
, xorstride
);
1993 *hicon
= CreateIcon(NULL
, lockeddata
.Width
, lockeddata
.Height
, 1, 32,
2001 GdipBitmapUnlockBits(bitmap
, &lockeddata
);
2007 GpStatus WINGDIPAPI
GdipDeleteCachedBitmap(GpCachedBitmap
*cachedbmp
)
2009 TRACE("%p\n", cachedbmp
);
2012 return InvalidParameter
;
2014 GdipDisposeImage(cachedbmp
->image
);
2015 heap_free(cachedbmp
);
2020 GpStatus WINGDIPAPI
GdipDrawCachedBitmap(GpGraphics
*graphics
,
2021 GpCachedBitmap
*cachedbmp
, INT x
, INT y
)
2023 TRACE("%p %p %d %d\n", graphics
, cachedbmp
, x
, y
);
2025 if(!graphics
|| !cachedbmp
)
2026 return InvalidParameter
;
2028 return GdipDrawImage(graphics
, cachedbmp
->image
, (REAL
)x
, (REAL
)y
);
2031 /* Internal utility function: Replace the image data of dst with that of src,
2033 static void move_bitmap(GpBitmap
*dst
, GpBitmap
*src
, BOOL clobber_palette
)
2035 assert(src
->image
.type
== ImageTypeBitmap
);
2036 assert(dst
->image
.type
== ImageTypeBitmap
);
2038 heap_free(dst
->bitmapbits
);
2039 heap_free(dst
->own_bits
);
2041 DeleteObject(dst
->hbitmap
);
2043 if (clobber_palette
)
2045 heap_free(dst
->image
.palette
);
2046 dst
->image
.palette
= src
->image
.palette
;
2049 heap_free(src
->image
.palette
);
2051 dst
->image
.xres
= src
->image
.xres
;
2052 dst
->image
.yres
= src
->image
.yres
;
2053 dst
->width
= src
->width
;
2054 dst
->height
= src
->height
;
2055 dst
->format
= src
->format
;
2056 dst
->hbitmap
= src
->hbitmap
;
2057 dst
->hdc
= src
->hdc
;
2058 dst
->bits
= src
->bits
;
2059 dst
->stride
= src
->stride
;
2060 dst
->own_bits
= src
->own_bits
;
2061 if (dst
->metadata_reader
)
2062 IWICMetadataReader_Release(dst
->metadata_reader
);
2063 dst
->metadata_reader
= src
->metadata_reader
;
2064 heap_free(dst
->prop_item
);
2065 dst
->prop_item
= src
->prop_item
;
2066 dst
->prop_count
= src
->prop_count
;
2067 if (dst
->image
.decoder
)
2068 IWICBitmapDecoder_Release(dst
->image
.decoder
);
2069 dst
->image
.decoder
= src
->image
.decoder
;
2070 dst
->image
.frame_count
= src
->image
.frame_count
;
2071 dst
->image
.current_frame
= src
->image
.current_frame
;
2072 dst
->image
.format
= src
->image
.format
;
2074 src
->image
.type
= ~0;
2078 static GpStatus
free_image_data(GpImage
*image
)
2081 return InvalidParameter
;
2083 if (image
->type
== ImageTypeBitmap
)
2085 heap_free(((GpBitmap
*)image
)->bitmapbits
);
2086 heap_free(((GpBitmap
*)image
)->own_bits
);
2087 DeleteDC(((GpBitmap
*)image
)->hdc
);
2088 DeleteObject(((GpBitmap
*)image
)->hbitmap
);
2089 if (((GpBitmap
*)image
)->metadata_reader
)
2090 IWICMetadataReader_Release(((GpBitmap
*)image
)->metadata_reader
);
2091 heap_free(((GpBitmap
*)image
)->prop_item
);
2093 else if (image
->type
== ImageTypeMetafile
)
2094 METAFILE_Free((GpMetafile
*)image
);
2097 WARN("invalid image: %p\n", image
);
2101 IWICBitmapDecoder_Release(image
->decoder
);
2102 heap_free(image
->palette
);
2107 GpStatus WINGDIPAPI
GdipDisposeImage(GpImage
*image
)
2111 TRACE("%p\n", image
);
2113 status
= free_image_data(image
);
2114 if (status
!= Ok
) return status
;
2121 GpStatus WINGDIPAPI
GdipFindFirstImageItem(GpImage
*image
, ImageItemData
* item
)
2125 TRACE("(%p,%p)\n", image
, item
);
2128 return InvalidParameter
;
2131 FIXME("not implemented\n");
2133 return NotImplemented
;
2136 GpStatus WINGDIPAPI
GdipGetImageItemData(GpImage
*image
, ImageItemData
*item
)
2140 TRACE("(%p,%p)\n", image
, item
);
2143 FIXME("not implemented\n");
2145 return NotImplemented
;
2148 GpStatus WINGDIPAPI
GdipGetImageBounds(GpImage
*image
, GpRectF
*srcRect
,
2151 TRACE("%p %p %p\n", image
, srcRect
, srcUnit
);
2153 if(!image
|| !srcRect
|| !srcUnit
)
2154 return InvalidParameter
;
2155 if(image
->type
== ImageTypeMetafile
){
2156 *srcRect
= ((GpMetafile
*)image
)->bounds
;
2157 *srcUnit
= ((GpMetafile
*)image
)->unit
;
2159 else if(image
->type
== ImageTypeBitmap
){
2160 srcRect
->X
= srcRect
->Y
= 0.0;
2161 srcRect
->Width
= (REAL
) ((GpBitmap
*)image
)->width
;
2162 srcRect
->Height
= (REAL
) ((GpBitmap
*)image
)->height
;
2163 *srcUnit
= UnitPixel
;
2166 WARN("GpImage with no image data\n");
2167 return InvalidParameter
;
2170 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect
->X
, srcRect
->Y
,
2171 srcRect
->Width
, srcRect
->Height
, *srcUnit
);
2176 GpStatus WINGDIPAPI
GdipGetImageDimension(GpImage
*image
, REAL
*width
,
2179 TRACE("%p %p %p\n", image
, width
, height
);
2181 if(!image
|| !height
|| !width
)
2182 return InvalidParameter
;
2184 if(image
->type
== ImageTypeMetafile
){
2185 *height
= units_to_pixels(((GpMetafile
*)image
)->bounds
.Height
, ((GpMetafile
*)image
)->unit
, image
->yres
);
2186 *width
= units_to_pixels(((GpMetafile
*)image
)->bounds
.Width
, ((GpMetafile
*)image
)->unit
, image
->xres
);
2188 else if(image
->type
== ImageTypeBitmap
){
2189 *height
= ((GpBitmap
*)image
)->height
;
2190 *width
= ((GpBitmap
*)image
)->width
;
2193 WARN("GpImage with no image data\n");
2194 return InvalidParameter
;
2197 TRACE("returning (%f, %f)\n", *height
, *width
);
2201 GpStatus WINGDIPAPI
GdipGetImageGraphicsContext(GpImage
*image
,
2202 GpGraphics
**graphics
)
2207 TRACE("%p %p\n", image
, graphics
);
2209 if(!image
|| !graphics
)
2210 return InvalidParameter
;
2212 if (image
->type
== ImageTypeBitmap
&& ((GpBitmap
*)image
)->hbitmap
)
2214 hdc
= ((GpBitmap
*)image
)->hdc
;
2217 hdc
= CreateCompatibleDC(0);
2218 SelectObject(hdc
, ((GpBitmap
*)image
)->hbitmap
);
2219 ((GpBitmap
*)image
)->hdc
= hdc
;
2222 stat
= GdipCreateFromHDC(hdc
, graphics
);
2226 (*graphics
)->image
= image
;
2227 (*graphics
)->xres
= image
->xres
;
2228 (*graphics
)->yres
= image
->yres
;
2231 else if (image
->type
== ImageTypeMetafile
)
2232 stat
= METAFILE_GetGraphicsContext((GpMetafile
*)image
, graphics
);
2234 stat
= graphics_from_image(image
, graphics
);
2239 GpStatus WINGDIPAPI
GdipGetImageHeight(GpImage
*image
, UINT
*height
)
2241 TRACE("%p %p\n", image
, height
);
2243 if(!image
|| !height
)
2244 return InvalidParameter
;
2246 if(image
->type
== ImageTypeMetafile
)
2247 *height
= units_to_pixels(((GpMetafile
*)image
)->bounds
.Height
, ((GpMetafile
*)image
)->unit
, image
->yres
);
2248 else if(image
->type
== ImageTypeBitmap
)
2249 *height
= ((GpBitmap
*)image
)->height
;
2252 WARN("GpImage with no image data\n");
2253 return InvalidParameter
;
2256 TRACE("returning %d\n", *height
);
2261 GpStatus WINGDIPAPI
GdipGetImageHorizontalResolution(GpImage
*image
, REAL
*res
)
2264 return InvalidParameter
;
2268 TRACE("(%p) <-- %0.2f\n", image
, *res
);
2273 GpStatus WINGDIPAPI
GdipGetImagePaletteSize(GpImage
*image
, INT
*size
)
2275 TRACE("%p %p\n", image
, size
);
2278 return InvalidParameter
;
2280 if (!image
->palette
|| image
->palette
->Count
== 0)
2281 *size
= sizeof(ColorPalette
);
2283 *size
= sizeof(UINT
)*2 + sizeof(ARGB
)*image
->palette
->Count
;
2285 TRACE("<-- %u\n", *size
);
2290 /* FIXME: test this function for non-bitmap types */
2291 GpStatus WINGDIPAPI
GdipGetImagePixelFormat(GpImage
*image
, PixelFormat
*format
)
2293 TRACE("%p %p\n", image
, format
);
2295 if(!image
|| !format
)
2296 return InvalidParameter
;
2298 if(image
->type
!= ImageTypeBitmap
)
2299 *format
= PixelFormat24bppRGB
;
2301 *format
= ((GpBitmap
*) image
)->format
;
2306 GpStatus WINGDIPAPI
GdipGetImageRawFormat(GpImage
*image
, GUID
*format
)
2308 TRACE("(%p, %p)\n", image
, format
);
2310 if(!image
|| !format
)
2311 return InvalidParameter
;
2313 memcpy(format
, &image
->format
, sizeof(GUID
));
2318 GpStatus WINGDIPAPI
GdipGetImageType(GpImage
*image
, ImageType
*type
)
2320 TRACE("%p %p\n", image
, type
);
2323 return InvalidParameter
;
2325 *type
= image
->type
;
2330 GpStatus WINGDIPAPI
GdipGetImageVerticalResolution(GpImage
*image
, REAL
*res
)
2333 return InvalidParameter
;
2337 TRACE("(%p) <-- %0.2f\n", image
, *res
);
2342 GpStatus WINGDIPAPI
GdipGetImageWidth(GpImage
*image
, UINT
*width
)
2344 TRACE("%p %p\n", image
, width
);
2346 if(!image
|| !width
)
2347 return InvalidParameter
;
2349 if(image
->type
== ImageTypeMetafile
)
2350 *width
= units_to_pixels(((GpMetafile
*)image
)->bounds
.Width
, ((GpMetafile
*)image
)->unit
, image
->xres
);
2351 else if(image
->type
== ImageTypeBitmap
)
2352 *width
= ((GpBitmap
*)image
)->width
;
2355 WARN("GpImage with no image data\n");
2356 return InvalidParameter
;
2359 TRACE("returning %d\n", *width
);
2364 GpStatus WINGDIPAPI
GdipGetPropertyCount(GpImage
*image
, UINT
*num
)
2366 TRACE("(%p, %p)\n", image
, num
);
2368 if (!image
|| !num
) return InvalidParameter
;
2372 if (image
->type
== ImageTypeBitmap
)
2374 if (((GpBitmap
*)image
)->prop_item
)
2376 *num
= ((GpBitmap
*)image
)->prop_count
;
2380 if (((GpBitmap
*)image
)->metadata_reader
)
2381 IWICMetadataReader_GetCount(((GpBitmap
*)image
)->metadata_reader
, num
);
2387 GpStatus WINGDIPAPI
GdipGetPropertyIdList(GpImage
*image
, UINT num
, PROPID
*list
)
2390 IWICMetadataReader
*reader
;
2391 IWICEnumMetadataItem
*enumerator
;
2392 UINT prop_count
, i
, items_returned
;
2394 TRACE("(%p, %u, %p)\n", image
, num
, list
);
2396 if (!image
|| !list
) return InvalidParameter
;
2398 if (image
->type
!= ImageTypeBitmap
)
2400 FIXME("Not implemented for type %d\n", image
->type
);
2401 return NotImplemented
;
2404 if (((GpBitmap
*)image
)->prop_item
)
2406 if (num
!= ((GpBitmap
*)image
)->prop_count
) return InvalidParameter
;
2408 for (i
= 0; i
< num
; i
++)
2410 list
[i
] = ((GpBitmap
*)image
)->prop_item
[i
].id
;
2416 reader
= ((GpBitmap
*)image
)->metadata_reader
;
2419 if (num
!= 0) return InvalidParameter
;
2423 hr
= IWICMetadataReader_GetCount(reader
, &prop_count
);
2424 if (FAILED(hr
)) return hresult_to_status(hr
);
2426 if (num
!= prop_count
) return InvalidParameter
;
2428 hr
= IWICMetadataReader_GetEnumerator(reader
, &enumerator
);
2429 if (FAILED(hr
)) return hresult_to_status(hr
);
2431 IWICEnumMetadataItem_Reset(enumerator
);
2433 for (i
= 0; i
< num
; i
++)
2437 hr
= IWICEnumMetadataItem_Next(enumerator
, 1, NULL
, &id
, NULL
, &items_returned
);
2438 if (hr
!= S_OK
) break;
2440 if (id
.vt
!= VT_UI2
)
2442 FIXME("not supported propvariant type for id: %u\n", id
.vt
);
2446 list
[i
] = id
.u
.uiVal
;
2449 IWICEnumMetadataItem_Release(enumerator
);
2451 return hr
== S_OK
? Ok
: hresult_to_status(hr
);
2454 static UINT
propvariant_size(PROPVARIANT
*value
)
2456 switch (value
->vt
& ~VT_VECTOR
)
2462 if (!(value
->vt
& VT_VECTOR
)) return 1;
2463 return value
->u
.caub
.cElems
;
2466 if (!(value
->vt
& VT_VECTOR
)) return 2;
2467 return value
->u
.caui
.cElems
* 2;
2471 if (!(value
->vt
& VT_VECTOR
)) return 4;
2472 return value
->u
.caul
.cElems
* 4;
2476 if (!(value
->vt
& VT_VECTOR
)) return 8;
2477 return value
->u
.cauh
.cElems
* 8;
2479 return value
->u
.pszVal
? strlen(value
->u
.pszVal
) + 1 : 0;
2481 return value
->u
.blob
.cbSize
;
2483 FIXME("not supported variant type %d\n", value
->vt
);
2488 GpStatus WINGDIPAPI
GdipGetPropertyItemSize(GpImage
*image
, PROPID propid
, UINT
*size
)
2491 IWICMetadataReader
*reader
;
2492 PROPVARIANT id
, value
;
2494 TRACE("(%p,%#x,%p)\n", image
, propid
, size
);
2496 if (!size
|| !image
) return InvalidParameter
;
2498 if (image
->type
!= ImageTypeBitmap
)
2500 FIXME("Not implemented for type %d\n", image
->type
);
2501 return NotImplemented
;
2504 if (((GpBitmap
*)image
)->prop_item
)
2508 for (i
= 0; i
< ((GpBitmap
*)image
)->prop_count
; i
++)
2510 if (propid
== ((GpBitmap
*)image
)->prop_item
[i
].id
)
2512 *size
= sizeof(PropertyItem
) + ((GpBitmap
*)image
)->prop_item
[i
].length
;
2517 return PropertyNotFound
;
2520 reader
= ((GpBitmap
*)image
)->metadata_reader
;
2521 if (!reader
) return PropertyNotFound
;
2524 id
.u
.uiVal
= propid
;
2525 hr
= IWICMetadataReader_GetValue(reader
, NULL
, &id
, &value
);
2526 if (FAILED(hr
)) return PropertyNotFound
;
2528 *size
= propvariant_size(&value
);
2529 if (*size
) *size
+= sizeof(PropertyItem
);
2530 PropVariantClear(&value
);
2535 #ifndef PropertyTagTypeSByte
2536 #define PropertyTagTypeSByte 6
2537 #define PropertyTagTypeSShort 8
2538 #define PropertyTagTypeFloat 11
2539 #define PropertyTagTypeDouble 12
2542 static UINT
vt_to_itemtype(UINT vt
)
2549 { VT_I1
, PropertyTagTypeSByte
},
2550 { VT_UI1
, PropertyTagTypeByte
},
2551 { VT_I2
, PropertyTagTypeSShort
},
2552 { VT_UI2
, PropertyTagTypeShort
},
2553 { VT_I4
, PropertyTagTypeSLONG
},
2554 { VT_UI4
, PropertyTagTypeLong
},
2555 { VT_I8
, PropertyTagTypeSRational
},
2556 { VT_UI8
, PropertyTagTypeRational
},
2557 { VT_R4
, PropertyTagTypeFloat
},
2558 { VT_R8
, PropertyTagTypeDouble
},
2559 { VT_LPSTR
, PropertyTagTypeASCII
},
2560 { VT_BLOB
, PropertyTagTypeUndefined
}
2563 for (i
= 0; i
< sizeof(vt2type
)/sizeof(vt2type
[0]); i
++)
2565 if (vt2type
[i
].vt
== vt
) return vt2type
[i
].type
;
2567 FIXME("not supported variant type %u\n", vt
);
2571 static GpStatus
propvariant_to_item(PROPVARIANT
*value
, PropertyItem
*item
,
2572 UINT size
, PROPID id
)
2574 UINT item_size
, item_type
;
2576 item_size
= propvariant_size(value
);
2577 if (size
!= item_size
+ sizeof(PropertyItem
)) return InvalidParameter
;
2579 item_type
= vt_to_itemtype(value
->vt
& ~VT_VECTOR
);
2580 if (!item_type
) return InvalidParameter
;
2582 item
->value
= item
+ 1;
2584 switch (value
->vt
& ~VT_VECTOR
)
2588 if (!(value
->vt
& VT_VECTOR
))
2589 *(BYTE
*)item
->value
= value
->u
.bVal
;
2591 memcpy(item
->value
, value
->u
.caub
.pElems
, item_size
);
2595 if (!(value
->vt
& VT_VECTOR
))
2596 *(USHORT
*)item
->value
= value
->u
.uiVal
;
2598 memcpy(item
->value
, value
->u
.caui
.pElems
, item_size
);
2603 if (!(value
->vt
& VT_VECTOR
))
2604 *(ULONG
*)item
->value
= value
->u
.ulVal
;
2606 memcpy(item
->value
, value
->u
.caul
.pElems
, item_size
);
2611 if (!(value
->vt
& VT_VECTOR
))
2612 *(ULONGLONG
*)item
->value
= value
->u
.uhVal
.QuadPart
;
2614 memcpy(item
->value
, value
->u
.cauh
.pElems
, item_size
);
2617 memcpy(item
->value
, value
->u
.pszVal
, item_size
);
2620 memcpy(item
->value
, value
->u
.blob
.pBlobData
, item_size
);
2623 FIXME("not supported variant type %d\n", value
->vt
);
2624 return InvalidParameter
;
2627 item
->length
= item_size
;
2628 item
->type
= item_type
;
2634 GpStatus WINGDIPAPI
GdipGetPropertyItem(GpImage
*image
, PROPID propid
, UINT size
,
2635 PropertyItem
*buffer
)
2639 IWICMetadataReader
*reader
;
2640 PROPVARIANT id
, value
;
2642 TRACE("(%p,%#x,%u,%p)\n", image
, propid
, size
, buffer
);
2644 if (!image
|| !buffer
) return InvalidParameter
;
2646 if (image
->type
!= ImageTypeBitmap
)
2648 FIXME("Not implemented for type %d\n", image
->type
);
2649 return NotImplemented
;
2652 if (((GpBitmap
*)image
)->prop_item
)
2656 for (i
= 0; i
< ((GpBitmap
*)image
)->prop_count
; i
++)
2658 if (propid
== ((GpBitmap
*)image
)->prop_item
[i
].id
)
2660 if (size
!= sizeof(PropertyItem
) + ((GpBitmap
*)image
)->prop_item
[i
].length
)
2661 return InvalidParameter
;
2663 *buffer
= ((GpBitmap
*)image
)->prop_item
[i
];
2664 buffer
->value
= buffer
+ 1;
2665 memcpy(buffer
->value
, ((GpBitmap
*)image
)->prop_item
[i
].value
, buffer
->length
);
2670 return PropertyNotFound
;
2673 reader
= ((GpBitmap
*)image
)->metadata_reader
;
2674 if (!reader
) return PropertyNotFound
;
2677 id
.u
.uiVal
= propid
;
2678 hr
= IWICMetadataReader_GetValue(reader
, NULL
, &id
, &value
);
2679 if (FAILED(hr
)) return PropertyNotFound
;
2681 stat
= propvariant_to_item(&value
, buffer
, size
, propid
);
2682 PropVariantClear(&value
);
2687 GpStatus WINGDIPAPI
GdipGetPropertySize(GpImage
*image
, UINT
*size
, UINT
*count
)
2690 IWICMetadataReader
*reader
;
2691 IWICEnumMetadataItem
*enumerator
;
2692 UINT prop_count
, prop_size
, i
;
2693 PROPVARIANT id
, value
;
2695 TRACE("(%p,%p,%p)\n", image
, size
, count
);
2697 if (!image
|| !size
|| !count
) return InvalidParameter
;
2699 if (image
->type
!= ImageTypeBitmap
)
2701 FIXME("Not implemented for type %d\n", image
->type
);
2702 return NotImplemented
;
2705 if (((GpBitmap
*)image
)->prop_item
)
2707 *count
= ((GpBitmap
*)image
)->prop_count
;
2710 for (i
= 0; i
< ((GpBitmap
*)image
)->prop_count
; i
++)
2712 *size
+= sizeof(PropertyItem
) + ((GpBitmap
*)image
)->prop_item
[i
].length
;
2718 reader
= ((GpBitmap
*)image
)->metadata_reader
;
2719 if (!reader
) return PropertyNotFound
;
2721 hr
= IWICMetadataReader_GetCount(reader
, &prop_count
);
2722 if (FAILED(hr
)) return hresult_to_status(hr
);
2724 hr
= IWICMetadataReader_GetEnumerator(reader
, &enumerator
);
2725 if (FAILED(hr
)) return hresult_to_status(hr
);
2727 IWICEnumMetadataItem_Reset(enumerator
);
2731 PropVariantInit(&id
);
2732 PropVariantInit(&value
);
2734 for (i
= 0; i
< prop_count
; i
++)
2736 UINT items_returned
, item_size
;
2738 hr
= IWICEnumMetadataItem_Next(enumerator
, 1, NULL
, &id
, &value
, &items_returned
);
2739 if (hr
!= S_OK
) break;
2741 item_size
= propvariant_size(&value
);
2742 if (item_size
) prop_size
+= sizeof(PropertyItem
) + item_size
;
2744 PropVariantClear(&id
);
2745 PropVariantClear(&value
);
2748 IWICEnumMetadataItem_Release(enumerator
);
2750 if (hr
!= S_OK
) return PropertyNotFound
;
2752 *count
= prop_count
;
2757 GpStatus WINGDIPAPI
GdipGetAllPropertyItems(GpImage
*image
, UINT size
,
2758 UINT count
, PropertyItem
*buf
)
2762 IWICMetadataReader
*reader
;
2763 IWICEnumMetadataItem
*enumerator
;
2764 UINT prop_count
, prop_size
, i
;
2765 PROPVARIANT id
, value
;
2768 TRACE("(%p,%u,%u,%p)\n", image
, size
, count
, buf
);
2770 if (!image
|| !buf
) return InvalidParameter
;
2772 if (image
->type
!= ImageTypeBitmap
)
2774 FIXME("Not implemented for type %d\n", image
->type
);
2775 return NotImplemented
;
2778 status
= GdipGetPropertySize(image
, &prop_size
, &prop_count
);
2779 if (status
!= Ok
) return status
;
2781 if (prop_count
!= count
|| prop_size
!= size
) return InvalidParameter
;
2783 if (((GpBitmap
*)image
)->prop_item
)
2785 memcpy(buf
, ((GpBitmap
*)image
)->prop_item
, prop_size
);
2787 item_value
= (char *)(buf
+ prop_count
);
2789 for (i
= 0; i
< prop_count
; i
++)
2791 buf
[i
].value
= item_value
;
2792 item_value
+= buf
[i
].length
;
2798 reader
= ((GpBitmap
*)image
)->metadata_reader
;
2799 if (!reader
) return PropertyNotFound
;
2801 hr
= IWICMetadataReader_GetEnumerator(reader
, &enumerator
);
2802 if (FAILED(hr
)) return hresult_to_status(hr
);
2804 IWICEnumMetadataItem_Reset(enumerator
);
2806 item_value
= (char *)(buf
+ prop_count
);
2808 PropVariantInit(&id
);
2809 PropVariantInit(&value
);
2811 for (i
= 0; i
< prop_count
; i
++)
2814 UINT items_returned
, item_size
;
2816 hr
= IWICEnumMetadataItem_Next(enumerator
, 1, NULL
, &id
, &value
, &items_returned
);
2817 if (hr
!= S_OK
) break;
2819 if (id
.vt
!= VT_UI2
)
2821 FIXME("not supported propvariant type for id: %u\n", id
.vt
);
2825 item_size
= propvariant_size(&value
);
2828 item
= heap_alloc(item_size
+ sizeof(*item
));
2830 propvariant_to_item(&value
, item
, item_size
+ sizeof(*item
), id
.u
.uiVal
);
2831 buf
[i
].id
= item
->id
;
2832 buf
[i
].type
= item
->type
;
2833 buf
[i
].length
= item_size
;
2834 buf
[i
].value
= item_value
;
2835 memcpy(item_value
, item
->value
, item_size
);
2836 item_value
+= item_size
;
2841 PropVariantClear(&id
);
2842 PropVariantClear(&value
);
2845 IWICEnumMetadataItem_Release(enumerator
);
2847 if (hr
!= S_OK
) return PropertyNotFound
;
2852 struct image_format_dimension
2855 const GUID
*dimension
;
2858 static const struct image_format_dimension image_format_dimensions
[] =
2860 {&ImageFormatGIF
, &FrameDimensionTime
},
2861 {&ImageFormatIcon
, &FrameDimensionResolution
},
2865 GpStatus WINGDIPAPI
GdipImageGetFrameCount(GpImage
*image
,
2866 GDIPCONST GUID
* dimensionID
, UINT
* count
)
2868 TRACE("(%p,%s,%p)\n", image
, debugstr_guid(dimensionID
), count
);
2870 if(!image
|| !count
)
2871 return InvalidParameter
;
2874 IsEqualGUID(dimensionID
, &image
->format
) ||
2875 IsEqualGUID(dimensionID
, &FrameDimensionPage
) ||
2876 IsEqualGUID(dimensionID
, &FrameDimensionTime
))
2878 *count
= image
->frame_count
;
2882 return InvalidParameter
;
2885 GpStatus WINGDIPAPI
GdipImageGetFrameDimensionsCount(GpImage
*image
,
2888 TRACE("(%p, %p)\n", image
, count
);
2890 /* Native gdiplus 1.1 does not yet support multiple frame dimensions. */
2892 if(!image
|| !count
)
2893 return InvalidParameter
;
2900 GpStatus WINGDIPAPI
GdipImageGetFrameDimensionsList(GpImage
* image
,
2901 GUID
* dimensionIDs
, UINT count
)
2904 const GUID
*result
=NULL
;
2906 TRACE("(%p,%p,%u)\n", image
, dimensionIDs
, count
);
2908 if(!image
|| !dimensionIDs
|| count
!= 1)
2909 return InvalidParameter
;
2911 for (i
=0; image_format_dimensions
[i
].format
; i
++)
2913 if (IsEqualGUID(&image
->format
, image_format_dimensions
[i
].format
))
2915 result
= image_format_dimensions
[i
].dimension
;
2921 result
= &FrameDimensionPage
;
2923 memcpy(dimensionIDs
, result
, sizeof(GUID
));
2928 GpStatus WINGDIPAPI
GdipLoadImageFromFile(GDIPCONST WCHAR
* filename
,
2934 TRACE("(%s) %p\n", debugstr_w(filename
), image
);
2936 if (!filename
|| !image
)
2937 return InvalidParameter
;
2941 stat
= GdipCreateStreamOnFile(filename
, GENERIC_READ
, &stream
);
2946 stat
= GdipLoadImageFromStream(stream
, image
);
2948 IStream_Release(stream
);
2953 /* FIXME: no icm handling */
2954 GpStatus WINGDIPAPI
GdipLoadImageFromFileICM(GDIPCONST WCHAR
* filename
,GpImage
**image
)
2956 TRACE("(%s) %p\n", debugstr_w(filename
), image
);
2958 return GdipLoadImageFromFile(filename
, image
);
2961 static void add_property(GpBitmap
*bitmap
, PropertyItem
*item
)
2963 UINT prop_size
, prop_count
;
2964 PropertyItem
*prop_item
;
2966 if (bitmap
->prop_item
== NULL
)
2968 prop_size
= prop_count
= 0;
2969 prop_item
= heap_alloc_zero(item
->length
+ sizeof(PropertyItem
));
2970 if (!prop_item
) return;
2977 GdipGetPropertySize(&bitmap
->image
, &prop_size
, &prop_count
);
2979 prop_item
= heap_alloc_zero(prop_size
+ item
->length
+ sizeof(PropertyItem
));
2980 if (!prop_item
) return;
2981 memcpy(prop_item
, bitmap
->prop_item
, sizeof(PropertyItem
) * bitmap
->prop_count
);
2982 prop_size
-= sizeof(PropertyItem
) * bitmap
->prop_count
;
2983 memcpy(prop_item
+ prop_count
+ 1, bitmap
->prop_item
+ prop_count
, prop_size
);
2985 item_value
= (char *)(prop_item
+ prop_count
+ 1);
2987 for (i
= 0; i
< prop_count
; i
++)
2989 prop_item
[i
].value
= item_value
;
2990 item_value
+= prop_item
[i
].length
;
2994 prop_item
[prop_count
].id
= item
->id
;
2995 prop_item
[prop_count
].type
= item
->type
;
2996 prop_item
[prop_count
].length
= item
->length
;
2997 prop_item
[prop_count
].value
= (char *)(prop_item
+ prop_count
+ 1) + prop_size
;
2998 memcpy(prop_item
[prop_count
].value
, item
->value
, item
->length
);
3000 heap_free(bitmap
->prop_item
);
3001 bitmap
->prop_item
= prop_item
;
3002 bitmap
->prop_count
++;
3005 static BOOL
get_bool_property(IWICMetadataReader
*reader
, const GUID
*guid
, const WCHAR
*prop_name
)
3009 PROPVARIANT id
, value
;
3012 hr
= IWICMetadataReader_GetMetadataFormat(reader
, &format
);
3013 if (FAILED(hr
) || !IsEqualGUID(&format
, guid
)) return FALSE
;
3015 PropVariantInit(&id
);
3016 PropVariantInit(&value
);
3019 id
.u
.pwszVal
= CoTaskMemAlloc((lstrlenW(prop_name
) + 1) * sizeof(WCHAR
));
3020 if (!id
.u
.pwszVal
) return FALSE
;
3021 lstrcpyW(id
.u
.pwszVal
, prop_name
);
3022 hr
= IWICMetadataReader_GetValue(reader
, NULL
, &id
, &value
);
3023 if (hr
== S_OK
&& value
.vt
== VT_BOOL
)
3024 ret
= value
.u
.boolVal
;
3026 PropVariantClear(&id
);
3027 PropVariantClear(&value
);
3032 static PropertyItem
*get_property(IWICMetadataReader
*reader
, const GUID
*guid
, const WCHAR
*prop_name
)
3036 PROPVARIANT id
, value
;
3037 PropertyItem
*item
= NULL
;
3039 hr
= IWICMetadataReader_GetMetadataFormat(reader
, &format
);
3040 if (FAILED(hr
) || !IsEqualGUID(&format
, guid
)) return NULL
;
3042 PropVariantInit(&id
);
3043 PropVariantInit(&value
);
3046 id
.u
.pwszVal
= CoTaskMemAlloc((lstrlenW(prop_name
) + 1) * sizeof(WCHAR
));
3047 if (!id
.u
.pwszVal
) return NULL
;
3048 lstrcpyW(id
.u
.pwszVal
, prop_name
);
3049 hr
= IWICMetadataReader_GetValue(reader
, NULL
, &id
, &value
);
3052 UINT item_size
= propvariant_size(&value
);
3055 item_size
+= sizeof(*item
);
3056 item
= heap_alloc_zero(item_size
);
3057 if (propvariant_to_item(&value
, item
, item_size
, 0) != Ok
)
3065 PropVariantClear(&id
);
3066 PropVariantClear(&value
);
3071 static PropertyItem
*get_gif_comment(IWICMetadataReader
*reader
)
3073 static const WCHAR textentryW
[] = { 'T','e','x','t','E','n','t','r','y',0 };
3074 PropertyItem
*comment
;
3076 comment
= get_property(reader
, &GUID_MetadataFormatGifComment
, textentryW
);
3078 comment
->id
= PropertyTagExifUserComment
;
3083 static PropertyItem
*get_gif_loopcount(IWICMetadataReader
*reader
)
3085 static const WCHAR applicationW
[] = { 'A','p','p','l','i','c','a','t','i','o','n',0 };
3086 static const WCHAR dataW
[] = { 'D','a','t','a',0 };
3087 PropertyItem
*appext
= NULL
, *appdata
= NULL
, *loop
= NULL
;
3089 appext
= get_property(reader
, &GUID_MetadataFormatAPE
, applicationW
);
3092 if (appext
->type
== PropertyTagTypeByte
&& appext
->length
== 11 &&
3093 (!memcmp(appext
->value
, "NETSCAPE2.0", 11) || !memcmp(appext
->value
, "ANIMEXTS1.0", 11)))
3095 appdata
= get_property(reader
, &GUID_MetadataFormatAPE
, dataW
);
3098 if (appdata
->type
== PropertyTagTypeByte
&& appdata
->length
== 4)
3100 BYTE
*data
= appdata
->value
;
3101 if (data
[0] == 3 && data
[1] == 1)
3103 loop
= heap_alloc_zero(sizeof(*loop
) + sizeof(SHORT
));
3106 loop
->type
= PropertyTagTypeShort
;
3107 loop
->id
= PropertyTagLoopCount
;
3108 loop
->length
= sizeof(SHORT
);
3109 loop
->value
= loop
+ 1;
3110 *(SHORT
*)loop
->value
= data
[2] | (data
[3] << 8);
3124 static PropertyItem
*get_gif_background(IWICMetadataReader
*reader
)
3126 static const WCHAR backgroundW
[] = { 'B','a','c','k','g','r','o','u','n','d','C','o','l','o','r','I','n','d','e','x',0 };
3127 PropertyItem
*background
;
3129 background
= get_property(reader
, &GUID_MetadataFormatLSD
, backgroundW
);
3131 background
->id
= PropertyTagIndexBackground
;
3136 static PropertyItem
*get_gif_palette(IWICBitmapDecoder
*decoder
, IWICMetadataReader
*reader
)
3138 static const WCHAR global_flagW
[] = { 'G','l','o','b','a','l','C','o','l','o','r','T','a','b','l','e','F','l','a','g',0 };
3140 IWICImagingFactory
*factory
;
3141 IWICPalette
*palette
;
3143 WICColor colors
[256];
3145 if (!get_bool_property(reader
, &GUID_MetadataFormatLSD
, global_flagW
))
3148 hr
= WICCreateImagingFactory_Proxy(WINCODEC_SDK_VERSION
, &factory
);
3149 if (hr
!= S_OK
) return NULL
;
3151 hr
= IWICImagingFactory_CreatePalette(factory
, &palette
);
3154 hr
= IWICBitmapDecoder_CopyPalette(decoder
, palette
);
3156 IWICPalette_GetColors(palette
, 256, colors
, &count
);
3158 IWICPalette_Release(palette
);
3161 IWICImagingFactory_Release(factory
);
3169 pal
= heap_alloc_zero(sizeof(*pal
) + count
* 3);
3170 if (!pal
) return NULL
;
3171 pal
->type
= PropertyTagTypeByte
;
3172 pal
->id
= PropertyTagGlobalPalette
;
3173 pal
->value
= pal
+ 1;
3174 pal
->length
= count
* 3;
3178 for (i
= 0; i
< count
; i
++)
3180 rgb
[i
*3] = (colors
[i
] >> 16) & 0xff;
3181 rgb
[i
*3 + 1] = (colors
[i
] >> 8) & 0xff;
3182 rgb
[i
*3 + 2] = colors
[i
] & 0xff;
3191 static PropertyItem
*get_gif_transparent_idx(IWICMetadataReader
*reader
)
3193 static const WCHAR transparency_flagW
[] = { 'T','r','a','n','s','p','a','r','e','n','c','y','F','l','a','g',0 };
3194 static const WCHAR colorW
[] = { 'T','r','a','n','s','p','a','r','e','n','t','C','o','l','o','r','I','n','d','e','x',0 };
3195 PropertyItem
*index
= NULL
;
3197 if (get_bool_property(reader
, &GUID_MetadataFormatGCE
, transparency_flagW
))
3199 index
= get_property(reader
, &GUID_MetadataFormatGCE
, colorW
);
3201 index
->id
= PropertyTagIndexTransparent
;
3206 static LONG
get_gif_frame_property(IWICBitmapFrameDecode
*frame
, const GUID
*format
, const WCHAR
*property
)
3209 IWICMetadataBlockReader
*block_reader
;
3210 IWICMetadataReader
*reader
;
3211 UINT block_count
, i
;
3215 hr
= IWICBitmapFrameDecode_QueryInterface(frame
, &IID_IWICMetadataBlockReader
, (void **)&block_reader
);
3218 hr
= IWICMetadataBlockReader_GetCount(block_reader
, &block_count
);
3221 for (i
= 0; i
< block_count
; i
++)
3223 hr
= IWICMetadataBlockReader_GetReaderByIndex(block_reader
, i
, &reader
);
3226 prop
= get_property(reader
, format
, property
);
3229 if (prop
->type
== PropertyTagTypeByte
&& prop
->length
== 1)
3230 value
= *(BYTE
*)prop
->value
;
3231 else if (prop
->type
== PropertyTagTypeShort
&& prop
->length
== 2)
3232 value
= *(SHORT
*)prop
->value
;
3236 IWICMetadataReader_Release(reader
);
3240 IWICMetadataBlockReader_Release(block_reader
);
3246 static void gif_metadata_reader(GpBitmap
*bitmap
, IWICBitmapDecoder
*decoder
, UINT active_frame
)
3248 static const WCHAR delayW
[] = { 'D','e','l','a','y',0 };
3250 IWICBitmapFrameDecode
*frame
;
3251 IWICMetadataBlockReader
*block_reader
;
3252 IWICMetadataReader
*reader
;
3253 UINT frame_count
, block_count
, i
;
3254 PropertyItem
*delay
= NULL
, *comment
= NULL
, *background
= NULL
;
3255 PropertyItem
*transparent_idx
= NULL
, *loop
= NULL
, *palette
= NULL
;
3257 IWICBitmapDecoder_GetFrameCount(decoder
, &frame_count
);
3258 if (frame_count
> 1)
3260 delay
= heap_alloc_zero(sizeof(*delay
) + frame_count
* sizeof(LONG
));
3265 delay
->type
= PropertyTagTypeLong
;
3266 delay
->id
= PropertyTagFrameDelay
;
3267 delay
->length
= frame_count
* sizeof(LONG
);
3268 delay
->value
= delay
+ 1;
3270 value
= delay
->value
;
3272 for (i
= 0; i
< frame_count
; i
++)
3274 hr
= IWICBitmapDecoder_GetFrame(decoder
, i
, &frame
);
3277 value
[i
] = get_gif_frame_property(frame
, &GUID_MetadataFormatGCE
, delayW
);
3278 IWICBitmapFrameDecode_Release(frame
);
3285 hr
= IWICBitmapDecoder_QueryInterface(decoder
, &IID_IWICMetadataBlockReader
, (void **)&block_reader
);
3288 hr
= IWICMetadataBlockReader_GetCount(block_reader
, &block_count
);
3291 for (i
= 0; i
< block_count
; i
++)
3293 hr
= IWICMetadataBlockReader_GetReaderByIndex(block_reader
, i
, &reader
);
3297 comment
= get_gif_comment(reader
);
3299 if (frame_count
> 1 && !loop
)
3300 loop
= get_gif_loopcount(reader
);
3303 background
= get_gif_background(reader
);
3306 palette
= get_gif_palette(decoder
, reader
);
3308 IWICMetadataReader_Release(reader
);
3312 IWICMetadataBlockReader_Release(block_reader
);
3315 if (frame_count
> 1 && !loop
)
3317 loop
= heap_alloc_zero(sizeof(*loop
) + sizeof(SHORT
));
3320 loop
->type
= PropertyTagTypeShort
;
3321 loop
->id
= PropertyTagLoopCount
;
3322 loop
->length
= sizeof(SHORT
);
3323 loop
->value
= loop
+ 1;
3324 *(SHORT
*)loop
->value
= 1;
3328 if (delay
) add_property(bitmap
, delay
);
3329 if (comment
) add_property(bitmap
, comment
);
3330 if (loop
) add_property(bitmap
, loop
);
3331 if (palette
) add_property(bitmap
, palette
);
3332 if (background
) add_property(bitmap
, background
);
3338 heap_free(background
);
3340 /* Win7 gdiplus always returns transparent color index from frame 0 */
3341 hr
= IWICBitmapDecoder_GetFrame(decoder
, 0, &frame
);
3342 if (hr
!= S_OK
) return;
3344 hr
= IWICBitmapFrameDecode_QueryInterface(frame
, &IID_IWICMetadataBlockReader
, (void **)&block_reader
);
3347 hr
= IWICMetadataBlockReader_GetCount(block_reader
, &block_count
);
3350 for (i
= 0; i
< block_count
; i
++)
3352 hr
= IWICMetadataBlockReader_GetReaderByIndex(block_reader
, i
, &reader
);
3355 if (!transparent_idx
)
3356 transparent_idx
= get_gif_transparent_idx(reader
);
3358 IWICMetadataReader_Release(reader
);
3362 IWICMetadataBlockReader_Release(block_reader
);
3365 if (transparent_idx
) add_property(bitmap
, transparent_idx
);
3366 heap_free(transparent_idx
);
3368 IWICBitmapFrameDecode_Release(frame
);
3371 static PropertyItem
* create_prop(PROPID propid
, PROPVARIANT
* value
)
3373 PropertyItem
*item
= NULL
;
3374 UINT item_size
= propvariant_size(value
);
3378 item_size
+= sizeof(*item
);
3379 item
= heap_alloc_zero(item_size
);
3380 if (propvariant_to_item(value
, item
, item_size
, propid
) != Ok
)
3390 static ULONG
get_ulong_by_index(IWICMetadataReader
* reader
, ULONG index
)
3396 hr
= IWICMetadataReader_GetValueByIndex(reader
, index
, NULL
, NULL
, &value
);
3402 result
= value
.u
.ulVal
;
3405 ERR("unhandled case %u\n", value
.vt
);
3408 PropVariantClear(&value
);
3413 static void png_metadata_reader(GpBitmap
*bitmap
, IWICBitmapDecoder
*decoder
, UINT active_frame
)
3416 IWICBitmapFrameDecode
*frame
;
3417 IWICMetadataBlockReader
*block_reader
;
3418 IWICMetadataReader
*reader
;
3419 UINT block_count
, i
, j
;
3420 struct keyword_info
{
3425 { "Title", PropertyTagImageTitle
},
3426 { "Author", PropertyTagArtist
},
3427 { "Description", PropertyTagImageDescription
},
3428 { "Copyright", PropertyTagCopyright
},
3429 { "Software", PropertyTagSoftwareUsed
},
3430 { "Source", PropertyTagEquipModel
},
3431 { "Comment", PropertyTagExifUserComment
},
3433 BOOL seen_gamma
=FALSE
, seen_whitepoint
=FALSE
, seen_chrm
=FALSE
;
3435 hr
= IWICBitmapDecoder_GetFrame(decoder
, active_frame
, &frame
);
3436 if (hr
!= S_OK
) return;
3438 hr
= IWICBitmapFrameDecode_QueryInterface(frame
, &IID_IWICMetadataBlockReader
, (void **)&block_reader
);
3441 hr
= IWICMetadataBlockReader_GetCount(block_reader
, &block_count
);
3444 for (i
= 0; i
< block_count
; i
++)
3446 hr
= IWICMetadataBlockReader_GetReaderByIndex(block_reader
, i
, &reader
);
3451 hr
= IWICMetadataReader_GetMetadataFormat(reader
, &format
);
3452 if (SUCCEEDED(hr
) && IsEqualGUID(&GUID_MetadataFormatChunktEXt
, &format
))
3454 PROPVARIANT name
, value
;
3457 hr
= IWICMetadataReader_GetValueByIndex(reader
, 0, NULL
, &name
, &value
);
3461 if (name
.vt
== VT_LPSTR
)
3463 for (j
=0; j
<sizeof(keywords
)/sizeof(keywords
[0]); j
++)
3464 if (!strcmp(keywords
[j
].name
, name
.u
.pszVal
))
3466 if (j
< sizeof(keywords
)/sizeof(keywords
[0]) && !keywords
[j
].seen
)
3468 keywords
[j
].seen
= TRUE
;
3469 item
= create_prop(keywords
[j
].propid
, &value
);
3471 add_property(bitmap
, item
);
3476 PropVariantClear(&name
);
3477 PropVariantClear(&value
);
3480 else if (SUCCEEDED(hr
) && IsEqualGUID(&GUID_MetadataFormatChunkgAMA
, &format
))
3486 item
= heap_alloc_zero(sizeof(PropertyItem
) + sizeof(ULONG
) * 2);
3490 item
->length
= sizeof(ULONG
) * 2;
3491 item
->type
= PropertyTagTypeRational
;
3492 item
->id
= PropertyTagGamma
;
3493 rational
= item
->value
= item
+ 1;
3494 rational
[0] = 100000;
3495 rational
[1] = get_ulong_by_index(reader
, 0);
3496 add_property(bitmap
, item
);
3502 else if (SUCCEEDED(hr
) && IsEqualGUID(&GUID_MetadataFormatChunkcHRM
, &format
))
3506 if (!seen_whitepoint
)
3508 item
= GdipAlloc(sizeof(PropertyItem
) + sizeof(ULONG
) * 4);
3512 item
->length
= sizeof(ULONG
) * 4;
3513 item
->type
= PropertyTagTypeRational
;
3514 item
->id
= PropertyTagWhitePoint
;
3515 rational
= item
->value
= item
+ 1;
3516 rational
[0] = get_ulong_by_index(reader
, 0);
3517 rational
[1] = 100000;
3518 rational
[2] = get_ulong_by_index(reader
, 1);
3519 rational
[3] = 100000;
3520 add_property(bitmap
, item
);
3521 seen_whitepoint
= TRUE
;
3527 item
= GdipAlloc(sizeof(PropertyItem
) + sizeof(ULONG
) * 12);
3531 item
->length
= sizeof(ULONG
) * 12;
3532 item
->type
= PropertyTagTypeRational
;
3533 item
->id
= PropertyTagPrimaryChromaticities
;
3534 rational
= item
->value
= item
+ 1;
3535 rational
[0] = get_ulong_by_index(reader
, 2);
3536 rational
[1] = 100000;
3537 rational
[2] = get_ulong_by_index(reader
, 3);
3538 rational
[3] = 100000;
3539 rational
[4] = get_ulong_by_index(reader
, 4);
3540 rational
[5] = 100000;
3541 rational
[6] = get_ulong_by_index(reader
, 5);
3542 rational
[7] = 100000;
3543 rational
[8] = get_ulong_by_index(reader
, 6);
3544 rational
[9] = 100000;
3545 rational
[10] = get_ulong_by_index(reader
, 7);
3546 rational
[11] = 100000;
3547 add_property(bitmap
, item
);
3554 IWICMetadataReader_Release(reader
);
3558 IWICMetadataBlockReader_Release(block_reader
);
3561 IWICBitmapFrameDecode_Release(frame
);
3564 static GpStatus
initialize_decoder_wic(IStream
*stream
, REFGUID container
, IWICBitmapDecoder
**decoder
)
3566 IWICImagingFactory
*factory
;
3569 TRACE("%p,%s\n", stream
, wine_dbgstr_guid(container
));
3571 hr
= WICCreateImagingFactory_Proxy(WINCODEC_SDK_VERSION
, &factory
);
3572 if (FAILED(hr
)) return hresult_to_status(hr
);
3573 hr
= IWICImagingFactory_CreateDecoder(factory
, container
, NULL
, decoder
);
3574 IWICImagingFactory_Release(factory
);
3575 if (FAILED(hr
)) return hresult_to_status(hr
);
3577 hr
= IWICBitmapDecoder_Initialize(*decoder
, stream
, WICDecodeMetadataCacheOnLoad
);
3578 if (FAILED(hr
)) return hresult_to_status(hr
);
3582 typedef void (*metadata_reader_func
)(GpBitmap
*bitmap
, IWICBitmapDecoder
*decoder
, UINT frame
);
3584 static GpStatus
decode_frame_wic(IWICBitmapDecoder
*decoder
, BOOL force_conversion
,
3585 UINT active_frame
, metadata_reader_func metadata_reader
, GpImage
**image
)
3590 IWICBitmapFrameDecode
*frame
;
3591 IWICBitmapSource
*source
=NULL
;
3592 IWICMetadataBlockReader
*block_reader
;
3593 WICPixelFormatGUID wic_format
;
3594 PixelFormat gdip_format
=0;
3595 ColorPalette
*palette
= NULL
;
3596 WICBitmapPaletteType palette_type
= WICBitmapPaletteTypeFixedHalftone256
;
3598 UINT width
, height
, frame_count
;
3599 BitmapData lockeddata
;
3602 TRACE("%p,%u,%p\n", decoder
, active_frame
, image
);
3604 IWICBitmapDecoder_GetFrameCount(decoder
, &frame_count
);
3605 hr
= IWICBitmapDecoder_GetFrame(decoder
, active_frame
, &frame
);
3606 if (SUCCEEDED(hr
)) /* got frame */
3608 hr
= IWICBitmapFrameDecode_GetPixelFormat(frame
, &wic_format
);
3612 if (!force_conversion
)
3614 for (i
=0; pixel_formats
[i
].wic_format
; i
++)
3616 if (IsEqualGUID(&wic_format
, pixel_formats
[i
].wic_format
))
3618 source
= (IWICBitmapSource
*)frame
;
3619 IWICBitmapSource_AddRef(source
);
3620 gdip_format
= pixel_formats
[i
].gdip_format
;
3621 palette_type
= pixel_formats
[i
].palette_type
;
3628 /* unknown format; fall back on 32bppARGB */
3629 hr
= WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA
, (IWICBitmapSource
*)frame
, &source
);
3630 gdip_format
= PixelFormat32bppARGB
;
3632 TRACE("%s => %#x\n", wine_dbgstr_guid(&wic_format
), gdip_format
);
3635 if (SUCCEEDED(hr
)) /* got source */
3637 hr
= IWICBitmapSource_GetSize(source
, &width
, &height
);
3640 status
= GdipCreateBitmapFromScan0(width
, height
, 0, gdip_format
,
3643 if (SUCCEEDED(hr
) && status
== Ok
) /* created bitmap */
3645 status
= GdipBitmapLockBits(bitmap
, NULL
, ImageLockModeWrite
,
3646 gdip_format
, &lockeddata
);
3647 if (status
== Ok
) /* locked bitmap */
3652 for (i
=0; i
<height
; i
++)
3655 hr
= IWICBitmapSource_CopyPixels(source
, &wrc
, abs(lockeddata
.Stride
),
3656 abs(lockeddata
.Stride
), (BYTE
*)lockeddata
.Scan0
+lockeddata
.Stride
*i
);
3657 if (FAILED(hr
)) break;
3660 GdipBitmapUnlockBits(bitmap
, &lockeddata
);
3663 if (SUCCEEDED(hr
) && status
== Ok
)
3664 *image
= &bitmap
->image
;
3668 GdipDisposeImage(&bitmap
->image
);
3671 if (SUCCEEDED(hr
) && status
== Ok
)
3674 hr
= IWICBitmapSource_GetResolution(source
, &dpix
, &dpiy
);
3677 bitmap
->image
.xres
= dpix
;
3678 bitmap
->image
.yres
= dpiy
;
3684 IWICBitmapSource_Release(source
);
3687 if (SUCCEEDED(hr
)) {
3688 bitmap
->metadata_reader
= NULL
;
3690 if (metadata_reader
)
3691 metadata_reader(bitmap
, decoder
, active_frame
);
3692 else if (IWICBitmapFrameDecode_QueryInterface(frame
, &IID_IWICMetadataBlockReader
, (void **)&block_reader
) == S_OK
)
3694 UINT block_count
= 0;
3695 if (IWICMetadataBlockReader_GetCount(block_reader
, &block_count
) == S_OK
&& block_count
)
3696 IWICMetadataBlockReader_GetReaderByIndex(block_reader
, 0, &bitmap
->metadata_reader
);
3697 IWICMetadataBlockReader_Release(block_reader
);
3700 palette
= get_palette(frame
, palette_type
);
3701 IWICBitmapFrameDecode_Release(frame
);
3705 if (FAILED(hr
) && status
== Ok
) status
= hresult_to_status(hr
);
3709 /* Native GDI+ used to be smarter, but since Win7 it just sets these flags. */
3710 bitmap
->image
.flags
|= ImageFlagsReadOnly
|ImageFlagsHasRealPixelSize
|ImageFlagsHasRealDPI
;
3711 if (IsEqualGUID(&wic_format
, &GUID_WICPixelFormat2bppGray
) ||
3712 IsEqualGUID(&wic_format
, &GUID_WICPixelFormat4bppGray
) ||
3713 IsEqualGUID(&wic_format
, &GUID_WICPixelFormat8bppGray
) ||
3714 IsEqualGUID(&wic_format
, &GUID_WICPixelFormat16bppGray
))
3715 bitmap
->image
.flags
|= ImageFlagsColorSpaceGRAY
;
3717 bitmap
->image
.flags
|= ImageFlagsColorSpaceRGB
;
3718 bitmap
->image
.frame_count
= frame_count
;
3719 bitmap
->image
.current_frame
= active_frame
;
3720 bitmap
->image
.decoder
= decoder
;
3721 IWICBitmapDecoder_AddRef(decoder
);
3724 heap_free(bitmap
->image
.palette
);
3725 bitmap
->image
.palette
= palette
;
3729 if (IsEqualGUID(&wic_format
, &GUID_WICPixelFormatBlackWhite
))
3730 bitmap
->image
.palette
->Flags
= 0;
3732 TRACE("=> %p\n", *image
);
3738 static GpStatus
decode_image_wic(IStream
*stream
, REFGUID container
,
3739 metadata_reader_func metadata_reader
, GpImage
**image
)
3741 IWICBitmapDecoder
*decoder
;
3744 status
= initialize_decoder_wic(stream
, container
, &decoder
);
3748 status
= decode_frame_wic(decoder
, FALSE
, 0, metadata_reader
, image
);
3749 IWICBitmapDecoder_Release(decoder
);
3753 static GpStatus
select_frame_wic(GpImage
*image
, UINT active_frame
)
3758 status
= decode_frame_wic(image
->decoder
, FALSE
, active_frame
, NULL
, &new_image
);
3762 new_image
->busy
= image
->busy
;
3763 memcpy(&new_image
->format
, &image
->format
, sizeof(GUID
));
3764 free_image_data(image
);
3765 if (image
->type
== ImageTypeBitmap
)
3766 *(GpBitmap
*)image
= *(GpBitmap
*)new_image
;
3767 else if (image
->type
== ImageTypeMetafile
)
3768 *(GpMetafile
*)image
= *(GpMetafile
*)new_image
;
3769 new_image
->type
= ~0;
3770 heap_free(new_image
);
3774 static HRESULT
get_gif_frame_rect(IWICBitmapFrameDecode
*frame
,
3775 UINT
*left
, UINT
*top
, UINT
*width
, UINT
*height
)
3777 static const WCHAR leftW
[] = {'L','e','f','t',0};
3778 static const WCHAR topW
[] = {'T','o','p',0};
3780 *left
= get_gif_frame_property(frame
, &GUID_MetadataFormatIMD
, leftW
);
3781 *top
= get_gif_frame_property(frame
, &GUID_MetadataFormatIMD
, topW
);
3783 return IWICBitmapFrameDecode_GetSize(frame
, width
, height
);
3786 static HRESULT
blit_gif_frame(GpBitmap
*bitmap
, IWICBitmapFrameDecode
*frame
, BOOL first_frame
)
3788 UINT i
, j
, left
, top
, width
, height
;
3789 IWICBitmapSource
*source
;
3793 hr
= get_gif_frame_rect(frame
, &left
, &top
, &width
, &height
);
3797 hr
= WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA
, (IWICBitmapSource
*)frame
, &source
);
3801 new_bits
= heap_alloc_zero(width
*height
*4);
3803 return E_OUTOFMEMORY
;
3805 hr
= IWICBitmapSource_CopyPixels(source
, NULL
, width
*4, width
*height
*4, new_bits
);
3806 IWICBitmapSource_Release(source
);
3808 heap_free(new_bits
);
3812 for(i
=0; i
<height
&& i
+top
<bitmap
->height
; i
++) {
3813 for(j
=0; j
<width
&& j
+left
<bitmap
->width
; j
++) {
3814 DWORD
*src
= (DWORD
*)(new_bits
+i
*width
*4+j
*4);
3815 DWORD
*dst
= (DWORD
*)(bitmap
->bits
+(i
+top
)*bitmap
->stride
+(j
+left
)*4);
3817 if(first_frame
|| *src
>>24 != 0)
3821 heap_free(new_bits
);
3825 static DWORD
get_gif_background_color(GpBitmap
*bitmap
)
3827 BYTE bgcolor_idx
= 0;
3830 for(i
=0; i
<bitmap
->prop_count
; i
++) {
3831 if(bitmap
->prop_item
[i
].id
== PropertyTagIndexBackground
) {
3832 bgcolor_idx
= *(BYTE
*)bitmap
->prop_item
[i
].value
;
3837 for(i
=0; i
<bitmap
->prop_count
; i
++) {
3838 if(bitmap
->prop_item
[i
].id
== PropertyTagIndexTransparent
) {
3839 BYTE transparent_idx
;
3840 transparent_idx
= *(BYTE
*)bitmap
->prop_item
[i
].value
;
3842 if(transparent_idx
== bgcolor_idx
)
3847 for(i
=0; i
<bitmap
->prop_count
; i
++) {
3848 if(bitmap
->prop_item
[i
].id
== PropertyTagGlobalPalette
) {
3849 if(bitmap
->prop_item
[i
].length
/3 > bgcolor_idx
) {
3850 BYTE
*color
= ((BYTE
*)bitmap
->prop_item
[i
].value
)+bgcolor_idx
*3;
3851 return color
[2] + (color
[1]<<8) + (color
[0]<<16) + (0xffu
<<24);
3857 FIXME("can't get gif background color\n");
3861 static GpStatus
select_frame_gif(GpImage
* image
, UINT active_frame
)
3863 static const WCHAR disposalW
[] = {'D','i','s','p','o','s','a','l',0};
3865 GpBitmap
*bitmap
= (GpBitmap
*)image
;
3866 IWICBitmapFrameDecode
*frame
;
3867 int cur_frame
=0, disposal
;
3868 BOOL bgcolor_set
= FALSE
;
3872 if(active_frame
> image
->current_frame
) {
3873 hr
= IWICBitmapDecoder_GetFrame(bitmap
->image
.decoder
, image
->current_frame
, &frame
);
3875 return hresult_to_status(hr
);
3876 disposal
= get_gif_frame_property(frame
, &GUID_MetadataFormatGCE
, disposalW
);
3877 IWICBitmapFrameDecode_Release(frame
);
3879 if(disposal
== GIF_DISPOSE_RESTORE_TO_BKGND
)
3880 cur_frame
= image
->current_frame
;
3881 else if(disposal
!= GIF_DISPOSE_RESTORE_TO_PREV
)
3882 cur_frame
= image
->current_frame
+1;
3885 while(cur_frame
!= active_frame
) {
3886 hr
= IWICBitmapDecoder_GetFrame(bitmap
->image
.decoder
, cur_frame
, &frame
);
3888 return hresult_to_status(hr
);
3889 disposal
= get_gif_frame_property(frame
, &GUID_MetadataFormatGCE
, disposalW
);
3891 if(disposal
==GIF_DISPOSE_UNSPECIFIED
|| disposal
==GIF_DISPOSE_DO_NOT_DISPOSE
) {
3892 hr
= blit_gif_frame(bitmap
, frame
, cur_frame
==0);
3894 return hresult_to_status(hr
);
3895 }else if(disposal
== GIF_DISPOSE_RESTORE_TO_BKGND
) {
3896 UINT left
, top
, width
, height
, i
, j
;
3899 bgcolor
= get_gif_background_color(bitmap
);
3903 hr
= get_gif_frame_rect(frame
, &left
, &top
, &width
, &height
);
3905 return hresult_to_status(hr
);
3906 for(i
=top
; i
<top
+height
&& i
<bitmap
->height
; i
++) {
3907 DWORD
*bits
= (DWORD
*)(bitmap
->bits
+i
*bitmap
->stride
);
3908 for(j
=left
; j
<left
+width
&& j
<bitmap
->width
; j
++)
3913 IWICBitmapFrameDecode_Release(frame
);
3917 hr
= IWICBitmapDecoder_GetFrame(bitmap
->image
.decoder
, active_frame
, &frame
);
3919 return hresult_to_status(hr
);
3921 hr
= blit_gif_frame(bitmap
, frame
, cur_frame
==0);
3922 IWICBitmapFrameDecode_Release(frame
);
3924 return hresult_to_status(hr
);
3926 image
->current_frame
= active_frame
;
3930 static GpStatus
decode_image_icon(IStream
* stream
, GpImage
**image
)
3932 return decode_image_wic(stream
, &GUID_ContainerFormatIco
, NULL
, image
);
3935 static GpStatus
decode_image_bmp(IStream
* stream
, GpImage
**image
)
3940 status
= decode_image_wic(stream
, &GUID_ContainerFormatBmp
, NULL
, image
);
3942 bitmap
= (GpBitmap
*)*image
;
3944 if (status
== Ok
&& bitmap
->format
== PixelFormat32bppARGB
)
3946 /* WIC supports bmp files with alpha, but gdiplus does not */
3947 bitmap
->format
= PixelFormat32bppRGB
;
3953 static GpStatus
decode_image_jpeg(IStream
* stream
, GpImage
**image
)
3955 return decode_image_wic(stream
, &GUID_ContainerFormatJpeg
, NULL
, image
);
3958 static GpStatus
decode_image_png(IStream
* stream
, GpImage
**image
)
3960 IWICBitmapDecoder
*decoder
;
3961 IWICBitmapFrameDecode
*frame
;
3965 BOOL force_conversion
= FALSE
;
3967 status
= initialize_decoder_wic(stream
, &GUID_ContainerFormatPng
, &decoder
);
3971 hr
= IWICBitmapDecoder_GetFrame(decoder
, 0, &frame
);
3974 hr
= IWICBitmapFrameDecode_GetPixelFormat(frame
, &format
);
3977 if (IsEqualGUID(&format
, &GUID_WICPixelFormat8bppGray
))
3978 force_conversion
= TRUE
;
3979 status
= decode_frame_wic(decoder
, force_conversion
, 0, png_metadata_reader
, image
);
3982 status
= hresult_to_status(hr
);
3984 IWICBitmapFrameDecode_Release(frame
);
3987 status
= hresult_to_status(hr
);
3989 IWICBitmapDecoder_Release(decoder
);
3993 static GpStatus
decode_image_gif(IStream
* stream
, GpImage
**image
)
3995 IWICBitmapDecoder
*decoder
;
4000 status
= initialize_decoder_wic(stream
, &GUID_ContainerFormatGif
, &decoder
);
4004 hr
= IWICBitmapDecoder_GetFrameCount(decoder
, &frame_count
);
4006 return hresult_to_status(hr
);
4008 status
= decode_frame_wic(decoder
, frame_count
> 1, 0, gif_metadata_reader
, image
);
4009 IWICBitmapDecoder_Release(decoder
);
4013 if(frame_count
> 1) {
4014 heap_free((*image
)->palette
);
4015 (*image
)->palette
= NULL
;
4020 static GpStatus
decode_image_tiff(IStream
* stream
, GpImage
**image
)
4022 return decode_image_wic(stream
, &GUID_ContainerFormatTiff
, NULL
, image
);
4025 static GpStatus
load_wmf(IStream
*stream
, GpMetafile
**metafile
)
4027 WmfPlaceableFileHeader pfh
;
4028 BOOL is_placeable
= FALSE
;
4037 hr
= IStream_Read(stream
, &mh
, sizeof(mh
), &size
);
4038 if (hr
!= S_OK
|| size
!= sizeof(mh
))
4039 return GenericError
;
4041 if (((WmfPlaceableFileHeader
*)&mh
)->Key
== WMF_PLACEABLE_KEY
)
4044 hr
= IStream_Seek(stream
, seek
, STREAM_SEEK_SET
, NULL
);
4045 if (FAILED(hr
)) return hresult_to_status(hr
);
4047 hr
= IStream_Read(stream
, &pfh
, sizeof(pfh
), &size
);
4048 if (hr
!= S_OK
|| size
!= sizeof(pfh
))
4049 return GenericError
;
4051 hr
= IStream_Read(stream
, &mh
, sizeof(mh
), &size
);
4052 if (hr
!= S_OK
|| size
!= sizeof(mh
))
4053 return GenericError
;
4055 is_placeable
= TRUE
;
4058 seek
.QuadPart
= is_placeable
? sizeof(pfh
) : 0;
4059 hr
= IStream_Seek(stream
, seek
, STREAM_SEEK_SET
, NULL
);
4060 if (FAILED(hr
)) return hresult_to_status(hr
);
4062 buf
= heap_alloc(mh
.mtSize
* 2);
4063 if (!buf
) return OutOfMemory
;
4065 hr
= IStream_Read(stream
, buf
, mh
.mtSize
* 2, &size
);
4066 if (hr
!= S_OK
|| size
!= mh
.mtSize
* 2)
4069 return GenericError
;
4072 hmf
= SetMetaFileBitsEx(mh
.mtSize
* 2, buf
);
4075 return GenericError
;
4077 status
= GdipCreateMetafileFromWmf(hmf
, TRUE
, is_placeable
? &pfh
: NULL
, metafile
);
4079 DeleteMetaFile(hmf
);
4083 static GpStatus
decode_image_wmf(IStream
*stream
, GpImage
**image
)
4085 GpMetafile
*metafile
;
4088 TRACE("%p %p\n", stream
, image
);
4090 if (!stream
|| !image
)
4091 return InvalidParameter
;
4093 status
= load_wmf(stream
, &metafile
);
4096 TRACE("Could not load metafile\n");
4100 *image
= (GpImage
*)metafile
;
4101 TRACE("<-- %p\n", *image
);
4106 static GpStatus
load_emf(IStream
*stream
, GpMetafile
**metafile
)
4116 hr
= IStream_Read(stream
, &emh
, sizeof(emh
), &size
);
4117 if (hr
!= S_OK
|| size
!= sizeof(emh
) || emh
.dSignature
!= ENHMETA_SIGNATURE
)
4118 return GenericError
;
4121 hr
= IStream_Seek(stream
, seek
, STREAM_SEEK_SET
, NULL
);
4122 if (FAILED(hr
)) return hresult_to_status(hr
);
4124 buf
= heap_alloc(emh
.nBytes
);
4125 if (!buf
) return OutOfMemory
;
4127 hr
= IStream_Read(stream
, buf
, emh
.nBytes
, &size
);
4128 if (hr
!= S_OK
|| size
!= emh
.nBytes
)
4131 return GenericError
;
4134 hemf
= SetEnhMetaFileBits(emh
.nBytes
, buf
);
4137 return GenericError
;
4139 status
= GdipCreateMetafileFromEmf(hemf
, TRUE
, metafile
);
4141 DeleteEnhMetaFile(hemf
);
4145 static GpStatus
decode_image_emf(IStream
*stream
, GpImage
**image
)
4147 GpMetafile
*metafile
;
4150 TRACE("%p %p\n", stream
, image
);
4152 if (!stream
|| !image
)
4153 return InvalidParameter
;
4155 status
= load_emf(stream
, &metafile
);
4158 TRACE("Could not load metafile\n");
4162 *image
= (GpImage
*)metafile
;
4163 TRACE("<-- %p\n", *image
);
4168 typedef GpStatus (*encode_image_func
)(GpImage
*image
, IStream
* stream
,
4169 GDIPCONST EncoderParameters
* params
);
4171 typedef GpStatus (*decode_image_func
)(IStream
*stream
, GpImage
**image
);
4173 typedef GpStatus (*select_image_func
)(GpImage
*image
, UINT active_frame
);
4175 typedef struct image_codec
{
4176 ImageCodecInfo info
;
4177 encode_image_func encode_func
;
4178 decode_image_func decode_func
;
4179 select_image_func select_func
;
4194 static const struct image_codec codecs
[NUM_CODECS
];
4196 static GpStatus
get_decoder_info(IStream
* stream
, const struct image_codec
**result
)
4199 const BYTE
*pattern
, *mask
;
4206 /* seek to the start of the stream */
4208 hr
= IStream_Seek(stream
, seek
, STREAM_SEEK_SET
, NULL
);
4209 if (FAILED(hr
)) return hresult_to_status(hr
);
4211 /* read the first 8 bytes */
4212 /* FIXME: This assumes all codecs have signatures <= 8 bytes in length */
4213 hr
= IStream_Read(stream
, signature
, 8, &bytesread
);
4214 if (FAILED(hr
)) return hresult_to_status(hr
);
4215 if (hr
== S_FALSE
|| bytesread
== 0) return GenericError
;
4217 for (i
= 0; i
< NUM_CODECS
; i
++) {
4218 if ((codecs
[i
].info
.Flags
& ImageCodecFlagsDecoder
) &&
4219 bytesread
>= codecs
[i
].info
.SigSize
)
4221 for (sig
=0; sig
<codecs
[i
].info
.SigCount
; sig
++)
4223 pattern
= &codecs
[i
].info
.SigPattern
[codecs
[i
].info
.SigSize
*sig
];
4224 mask
= &codecs
[i
].info
.SigMask
[codecs
[i
].info
.SigSize
*sig
];
4225 for (j
=0; j
<codecs
[i
].info
.SigSize
; j
++)
4226 if ((signature
[j
] & mask
[j
]) != pattern
[j
])
4228 if (j
== codecs
[i
].info
.SigSize
)
4230 *result
= &codecs
[i
];
4237 TRACE("no match for %i byte signature %x %x %x %x %x %x %x %x\n", bytesread
,
4238 signature
[0],signature
[1],signature
[2],signature
[3],
4239 signature
[4],signature
[5],signature
[6],signature
[7]);
4241 return GenericError
;
4244 static GpStatus
get_decoder_info_from_image(GpImage
*image
, const struct image_codec
**result
)
4248 for (i
= 0; i
< NUM_CODECS
; i
++) {
4249 if ((codecs
[i
].info
.Flags
& ImageCodecFlagsDecoder
) &&
4250 IsEqualIID(&codecs
[i
].info
.FormatID
, &image
->format
))
4252 *result
= &codecs
[i
];
4257 TRACE("no match for format: %s\n", wine_dbgstr_guid(&image
->format
));
4258 return GenericError
;
4261 GpStatus WINGDIPAPI
GdipImageSelectActiveFrame(GpImage
*image
, GDIPCONST GUID
*dimensionID
,
4265 const struct image_codec
*codec
= NULL
;
4268 TRACE("(%p,%s,%u)\n", image
, debugstr_guid(dimensionID
), frame
);
4270 if (!image
|| !dimensionID
)
4271 return InvalidParameter
;
4272 if(!image_lock(image
, &unlock
))
4275 if (frame
>= image
->frame_count
)
4277 WARN("requested frame %u, but image has only %u\n", frame
, image
->frame_count
);
4278 image_unlock(image
, unlock
);
4279 return InvalidParameter
;
4282 if (image
->type
!= ImageTypeBitmap
&& image
->type
!= ImageTypeMetafile
)
4284 WARN("invalid image type %d\n", image
->type
);
4285 image_unlock(image
, unlock
);
4286 return InvalidParameter
;
4289 if (image
->current_frame
== frame
)
4291 image_unlock(image
, unlock
);
4295 if (!image
->decoder
)
4297 TRACE("image doesn't have an associated decoder\n");
4298 image_unlock(image
, unlock
);
4302 /* choose an appropriate image decoder */
4303 stat
= get_decoder_info_from_image(image
, &codec
);
4306 WARN("can't find decoder info\n");
4307 image_unlock(image
, unlock
);
4311 stat
= codec
->select_func(image
, frame
);
4312 image_unlock(image
, unlock
);
4316 GpStatus WINGDIPAPI
GdipLoadImageFromStream(IStream
*stream
, GpImage
**image
)
4321 const struct image_codec
*codec
=NULL
;
4323 TRACE("%p %p\n", stream
, image
);
4325 if (!stream
|| !image
)
4326 return InvalidParameter
;
4328 /* choose an appropriate image decoder */
4329 stat
= get_decoder_info(stream
, &codec
);
4330 if (stat
!= Ok
) return stat
;
4332 /* seek to the start of the stream */
4334 hr
= IStream_Seek(stream
, seek
, STREAM_SEEK_SET
, NULL
);
4335 if (FAILED(hr
)) return hresult_to_status(hr
);
4337 /* call on the image decoder to do the real work */
4338 stat
= codec
->decode_func(stream
, image
);
4340 /* take note of the original data format */
4343 memcpy(&(*image
)->format
, &codec
->info
.FormatID
, sizeof(GUID
));
4351 GpStatus WINGDIPAPI
GdipLoadImageFromStreamICM(IStream
* stream
, GpImage
**image
)
4353 TRACE("%p %p\n", stream
, image
);
4355 return GdipLoadImageFromStream(stream
, image
);
4358 GpStatus WINGDIPAPI
GdipRemovePropertyItem(GpImage
*image
, PROPID propId
)
4362 TRACE("(%p,%u)\n", image
, propId
);
4365 return InvalidParameter
;
4368 FIXME("not implemented\n");
4370 return NotImplemented
;
4373 GpStatus WINGDIPAPI
GdipSetPropertyItem(GpImage
*image
, GDIPCONST PropertyItem
* item
)
4377 if (!image
|| !item
) return InvalidParameter
;
4379 TRACE("(%p,%p:%#x,%u,%u,%p)\n", image
, item
, item
->id
, item
->type
, item
->length
, item
->value
);
4382 FIXME("not implemented\n");
4387 GpStatus WINGDIPAPI
GdipSaveImageToFile(GpImage
*image
, GDIPCONST WCHAR
* filename
,
4388 GDIPCONST CLSID
*clsidEncoder
,
4389 GDIPCONST EncoderParameters
*encoderParams
)
4394 TRACE("%p (%s) %p %p\n", image
, debugstr_w(filename
), clsidEncoder
, encoderParams
);
4396 if (!image
|| !filename
|| !clsidEncoder
)
4397 return InvalidParameter
;
4399 stat
= GdipCreateStreamOnFile(filename
, GENERIC_WRITE
, &stream
);
4401 return GenericError
;
4403 stat
= GdipSaveImageToStream(image
, stream
, clsidEncoder
, encoderParams
);
4405 IStream_Release(stream
);
4409 /*************************************************************************
4410 * Encoding functions -
4411 * These functions encode an image in different image file formats.
4414 static GpStatus
encode_image_wic(GpImage
*image
, IStream
* stream
,
4415 REFGUID container
, GDIPCONST EncoderParameters
* params
)
4419 IWICImagingFactory
*factory
;
4420 IWICBitmapEncoder
*encoder
;
4421 IWICBitmapFrameEncode
*frameencode
;
4422 IPropertyBag2
*encoderoptions
;
4425 PixelFormat gdipformat
=0;
4426 const WICPixelFormatGUID
*desired_wicformat
;
4427 WICPixelFormatGUID wicformat
;
4429 BitmapData lockeddata
;
4432 if (image
->type
!= ImageTypeBitmap
)
4433 return GenericError
;
4435 bitmap
= (GpBitmap
*)image
;
4437 GdipGetImageWidth(image
, &width
);
4438 GdipGetImageHeight(image
, &height
);
4445 hr
= WICCreateImagingFactory_Proxy(WINCODEC_SDK_VERSION
, &factory
);
4447 return hresult_to_status(hr
);
4448 hr
= IWICImagingFactory_CreateEncoder(factory
, container
, NULL
, &encoder
);
4449 IWICImagingFactory_Release(factory
);
4451 return hresult_to_status(hr
);
4453 hr
= IWICBitmapEncoder_Initialize(encoder
, stream
, WICBitmapEncoderNoCache
);
4457 hr
= IWICBitmapEncoder_CreateNewFrame(encoder
, &frameencode
, &encoderoptions
);
4460 if (SUCCEEDED(hr
)) /* created frame */
4462 hr
= IWICBitmapFrameEncode_Initialize(frameencode
, encoderoptions
);
4465 hr
= IWICBitmapFrameEncode_SetSize(frameencode
, width
, height
);
4468 hr
= IWICBitmapFrameEncode_SetResolution(frameencode
, image
->xres
, image
->yres
);
4472 for (i
=0; pixel_formats
[i
].wic_format
; i
++)
4474 if (pixel_formats
[i
].gdip_format
== bitmap
->format
)
4476 desired_wicformat
= pixel_formats
[i
].wic_format
;
4477 gdipformat
= bitmap
->format
;
4483 desired_wicformat
= &GUID_WICPixelFormat32bppBGRA
;
4484 gdipformat
= PixelFormat32bppARGB
;
4487 memcpy(&wicformat
, desired_wicformat
, sizeof(GUID
));
4488 hr
= IWICBitmapFrameEncode_SetPixelFormat(frameencode
, &wicformat
);
4491 if (SUCCEEDED(hr
) && !IsEqualGUID(desired_wicformat
, &wicformat
))
4493 /* Encoder doesn't support this bitmap's format. */
4495 for (i
=0; pixel_formats
[i
].wic_format
; i
++)
4497 if (IsEqualGUID(&wicformat
, pixel_formats
[i
].wic_format
))
4499 gdipformat
= pixel_formats
[i
].gdip_format
;
4505 ERR("Cannot support encoder format %s\n", debugstr_guid(&wicformat
));
4512 stat
= GdipBitmapLockBits(bitmap
, &rc
, ImageLockModeRead
, gdipformat
,
4517 UINT row_size
= (lockeddata
.Width
* PIXELFORMATBPP(gdipformat
) + 7)/8;
4520 /* write one row at a time in case stride is negative */
4521 row
= lockeddata
.Scan0
;
4522 for (i
=0; i
<lockeddata
.Height
; i
++)
4524 hr
= IWICBitmapFrameEncode_WritePixels(frameencode
, 1, row_size
, row_size
, row
);
4525 if (FAILED(hr
)) break;
4526 row
+= lockeddata
.Stride
;
4529 GdipBitmapUnlockBits(bitmap
, &lockeddata
);
4536 hr
= IWICBitmapFrameEncode_Commit(frameencode
);
4538 IWICBitmapFrameEncode_Release(frameencode
);
4539 IPropertyBag2_Release(encoderoptions
);
4543 hr
= IWICBitmapEncoder_Commit(encoder
);
4545 IWICBitmapEncoder_Release(encoder
);
4546 return hresult_to_status(hr
);
4549 static GpStatus
encode_image_BMP(GpImage
*image
, IStream
* stream
,
4550 GDIPCONST EncoderParameters
* params
)
4552 return encode_image_wic(image
, stream
, &GUID_ContainerFormatBmp
, params
);
4555 static GpStatus
encode_image_tiff(GpImage
*image
, IStream
* stream
,
4556 GDIPCONST EncoderParameters
* params
)
4558 return encode_image_wic(image
, stream
, &GUID_ContainerFormatTiff
, params
);
4561 GpStatus
encode_image_png(GpImage
*image
, IStream
* stream
,
4562 GDIPCONST EncoderParameters
* params
)
4564 return encode_image_wic(image
, stream
, &GUID_ContainerFormatPng
, params
);
4567 static GpStatus
encode_image_jpeg(GpImage
*image
, IStream
* stream
,
4568 GDIPCONST EncoderParameters
* params
)
4570 return encode_image_wic(image
, stream
, &GUID_ContainerFormatJpeg
, params
);
4573 static GpStatus
encode_image_gif(GpImage
*image
, IStream
* stream
,
4574 GDIPCONST EncoderParameters
* params
)
4576 return encode_image_wic(image
, stream
, &GUID_ContainerFormatGif
, params
);
4579 /*****************************************************************************
4580 * GdipSaveImageToStream [GDIPLUS.@]
4582 GpStatus WINGDIPAPI
GdipSaveImageToStream(GpImage
*image
, IStream
* stream
,
4583 GDIPCONST CLSID
* clsid
, GDIPCONST EncoderParameters
* params
)
4586 encode_image_func encode_image
;
4589 TRACE("%p %p %s %p\n", image
, stream
, wine_dbgstr_guid(clsid
), params
);
4591 if(!image
|| !stream
)
4592 return InvalidParameter
;
4594 /* select correct encoder */
4595 encode_image
= NULL
;
4596 for (i
= 0; i
< NUM_CODECS
; i
++) {
4597 if ((codecs
[i
].info
.Flags
& ImageCodecFlagsEncoder
) &&
4598 IsEqualCLSID(clsid
, &codecs
[i
].info
.Clsid
))
4599 encode_image
= codecs
[i
].encode_func
;
4601 if (encode_image
== NULL
)
4602 return UnknownImageFormat
;
4604 stat
= encode_image(image
, stream
, params
);
4609 /*****************************************************************************
4610 * GdipSaveAdd [GDIPLUS.@]
4612 GpStatus WINGDIPAPI
GdipSaveAdd(GpImage
*image
, GDIPCONST EncoderParameters
*params
)
4614 FIXME("(%p,%p): stub\n", image
, params
);
4618 /*****************************************************************************
4619 * GdipGetImagePalette [GDIPLUS.@]
4621 GpStatus WINGDIPAPI
GdipGetImagePalette(GpImage
*image
, ColorPalette
*palette
, INT size
)
4625 TRACE("(%p,%p,%i)\n", image
, palette
, size
);
4627 if (!image
|| !palette
)
4628 return InvalidParameter
;
4630 count
= image
->palette
? image
->palette
->Count
: 0;
4632 if (size
< (sizeof(UINT
)*2+sizeof(ARGB
)*count
))
4634 TRACE("<-- InsufficientBuffer\n");
4635 return InsufficientBuffer
;
4640 palette
->Flags
= image
->palette
->Flags
;
4641 palette
->Count
= image
->palette
->Count
;
4642 memcpy(palette
->Entries
, image
->palette
->Entries
, sizeof(ARGB
)*image
->palette
->Count
);
4652 /*****************************************************************************
4653 * GdipSetImagePalette [GDIPLUS.@]
4655 GpStatus WINGDIPAPI
GdipSetImagePalette(GpImage
*image
,
4656 GDIPCONST ColorPalette
*palette
)
4658 ColorPalette
*new_palette
;
4660 TRACE("(%p,%p)\n", image
, palette
);
4662 if(!image
|| !palette
|| palette
->Count
> 256)
4663 return InvalidParameter
;
4665 new_palette
= heap_alloc_zero(2 * sizeof(UINT
) + palette
->Count
* sizeof(ARGB
));
4666 if (!new_palette
) return OutOfMemory
;
4668 heap_free(image
->palette
);
4669 image
->palette
= new_palette
;
4670 image
->palette
->Flags
= palette
->Flags
;
4671 image
->palette
->Count
= palette
->Count
;
4672 memcpy(image
->palette
->Entries
, palette
->Entries
, sizeof(ARGB
)*palette
->Count
);
4677 /*************************************************************************
4679 * Structures that represent which formats we support for encoding.
4682 /* ImageCodecInfo creation routines taken from libgdiplus */
4683 static const WCHAR bmp_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
4684 static const WCHAR bmp_extension
[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
4685 static const WCHAR bmp_mimetype
[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
4686 static const WCHAR bmp_format
[] = {'B', 'M', 'P', 0}; /* BMP */
4687 static const BYTE bmp_sig_pattern
[] = { 0x42, 0x4D };
4688 static const BYTE bmp_sig_mask
[] = { 0xFF, 0xFF };
4690 static const WCHAR jpeg_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0};
4691 static const WCHAR jpeg_extension
[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0};
4692 static const WCHAR jpeg_mimetype
[] = {'i','m','a','g','e','/','j','p','e','g', 0};
4693 static const WCHAR jpeg_format
[] = {'J','P','E','G',0};
4694 static const BYTE jpeg_sig_pattern
[] = { 0xFF, 0xD8 };
4695 static const BYTE jpeg_sig_mask
[] = { 0xFF, 0xFF };
4697 static const WCHAR gif_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0};
4698 static const WCHAR gif_extension
[] = {'*','.','G','I','F',0};
4699 static const WCHAR gif_mimetype
[] = {'i','m','a','g','e','/','g','i','f', 0};
4700 static const WCHAR gif_format
[] = {'G','I','F',0};
4701 static const BYTE gif_sig_pattern
[12] = "GIF87aGIF89a";
4702 static const BYTE gif_sig_mask
[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4704 static const WCHAR tiff_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'T','I','F','F', 0};
4705 static const WCHAR tiff_extension
[] = {'*','.','T','I','F','F',';','*','.','T','I','F',0};
4706 static const WCHAR tiff_mimetype
[] = {'i','m','a','g','e','/','t','i','f','f', 0};
4707 static const WCHAR tiff_format
[] = {'T','I','F','F',0};
4708 static const BYTE tiff_sig_pattern
[] = {0x49,0x49,42,0,0x4d,0x4d,0,42};
4709 static const BYTE tiff_sig_mask
[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4711 static const WCHAR emf_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0};
4712 static const WCHAR emf_extension
[] = {'*','.','E','M','F',0};
4713 static const WCHAR emf_mimetype
[] = {'i','m','a','g','e','/','x','-','e','m','f', 0};
4714 static const WCHAR emf_format
[] = {'E','M','F',0};
4715 static const BYTE emf_sig_pattern
[] = { 0x01, 0x00, 0x00, 0x00 };
4716 static const BYTE emf_sig_mask
[] = { 0xFF, 0xFF, 0xFF, 0xFF };
4718 static const WCHAR wmf_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0};
4719 static const WCHAR wmf_extension
[] = {'*','.','W','M','F',0};
4720 static const WCHAR wmf_mimetype
[] = {'i','m','a','g','e','/','x','-','w','m','f', 0};
4721 static const WCHAR wmf_format
[] = {'W','M','F',0};
4722 static const BYTE wmf_sig_pattern
[] = { 0xd7, 0xcd };
4723 static const BYTE wmf_sig_mask
[] = { 0xFF, 0xFF };
4725 static const WCHAR png_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0};
4726 static const WCHAR png_extension
[] = {'*','.','P','N','G',0};
4727 static const WCHAR png_mimetype
[] = {'i','m','a','g','e','/','p','n','g', 0};
4728 static const WCHAR png_format
[] = {'P','N','G',0};
4729 static const BYTE png_sig_pattern
[] = { 137, 80, 78, 71, 13, 10, 26, 10, };
4730 static const BYTE png_sig_mask
[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4732 static const WCHAR ico_codecname
[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0};
4733 static const WCHAR ico_extension
[] = {'*','.','I','C','O',0};
4734 static const WCHAR ico_mimetype
[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0};
4735 static const WCHAR ico_format
[] = {'I','C','O',0};
4736 static const BYTE ico_sig_pattern
[] = { 0x00, 0x00, 0x01, 0x00 };
4737 static const BYTE ico_sig_mask
[] = { 0xFF, 0xFF, 0xFF, 0xFF };
4739 static const struct image_codec codecs
[NUM_CODECS
] = {
4742 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4743 /* FormatID */ { 0xb96b3cabU
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4744 /* CodecName */ bmp_codecname
,
4746 /* FormatDescription */ bmp_format
,
4747 /* FilenameExtension */ bmp_extension
,
4748 /* MimeType */ bmp_mimetype
,
4749 /* Flags */ ImageCodecFlagsEncoder
| ImageCodecFlagsDecoder
| ImageCodecFlagsSupportBitmap
| ImageCodecFlagsBuiltin
,
4753 /* SigPattern */ bmp_sig_pattern
,
4754 /* SigMask */ bmp_sig_mask
,
4762 /* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4763 /* FormatID */ { 0xb96b3caeU
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4764 /* CodecName */ jpeg_codecname
,
4766 /* FormatDescription */ jpeg_format
,
4767 /* FilenameExtension */ jpeg_extension
,
4768 /* MimeType */ jpeg_mimetype
,
4769 /* Flags */ ImageCodecFlagsEncoder
| ImageCodecFlagsDecoder
| ImageCodecFlagsSupportBitmap
| ImageCodecFlagsBuiltin
,
4773 /* SigPattern */ jpeg_sig_pattern
,
4774 /* SigMask */ jpeg_sig_mask
,
4782 /* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4783 /* FormatID */ { 0xb96b3cb0U
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4784 /* CodecName */ gif_codecname
,
4786 /* FormatDescription */ gif_format
,
4787 /* FilenameExtension */ gif_extension
,
4788 /* MimeType */ gif_mimetype
,
4789 /* Flags */ ImageCodecFlagsDecoder
| ImageCodecFlagsEncoder
| ImageCodecFlagsSupportBitmap
| ImageCodecFlagsBuiltin
,
4793 /* SigPattern */ gif_sig_pattern
,
4794 /* SigMask */ gif_sig_mask
,
4802 /* Clsid */ { 0x557cf405, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4803 /* FormatID */ { 0xb96b3cb1U
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4804 /* CodecName */ tiff_codecname
,
4806 /* FormatDescription */ tiff_format
,
4807 /* FilenameExtension */ tiff_extension
,
4808 /* MimeType */ tiff_mimetype
,
4809 /* Flags */ ImageCodecFlagsDecoder
| ImageCodecFlagsEncoder
| ImageCodecFlagsSupportBitmap
| ImageCodecFlagsBuiltin
,
4813 /* SigPattern */ tiff_sig_pattern
,
4814 /* SigMask */ tiff_sig_mask
,
4822 /* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4823 /* FormatID */ { 0xb96b3cacU
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4824 /* CodecName */ emf_codecname
,
4826 /* FormatDescription */ emf_format
,
4827 /* FilenameExtension */ emf_extension
,
4828 /* MimeType */ emf_mimetype
,
4829 /* Flags */ ImageCodecFlagsDecoder
| ImageCodecFlagsSupportVector
| ImageCodecFlagsBuiltin
,
4833 /* SigPattern */ emf_sig_pattern
,
4834 /* SigMask */ emf_sig_mask
,
4842 /* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4843 /* FormatID */ { 0xb96b3cadU
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4844 /* CodecName */ wmf_codecname
,
4846 /* FormatDescription */ wmf_format
,
4847 /* FilenameExtension */ wmf_extension
,
4848 /* MimeType */ wmf_mimetype
,
4849 /* Flags */ ImageCodecFlagsDecoder
| ImageCodecFlagsSupportVector
| ImageCodecFlagsBuiltin
,
4853 /* SigPattern */ wmf_sig_pattern
,
4854 /* SigMask */ wmf_sig_mask
,
4862 /* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4863 /* FormatID */ { 0xb96b3cafU
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4864 /* CodecName */ png_codecname
,
4866 /* FormatDescription */ png_format
,
4867 /* FilenameExtension */ png_extension
,
4868 /* MimeType */ png_mimetype
,
4869 /* Flags */ ImageCodecFlagsEncoder
| ImageCodecFlagsDecoder
| ImageCodecFlagsSupportBitmap
| ImageCodecFlagsBuiltin
,
4873 /* SigPattern */ png_sig_pattern
,
4874 /* SigMask */ png_sig_mask
,
4882 /* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4883 /* FormatID */ { 0xb96b3cabU
, 0x0728U
, 0x11d3U
, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4884 /* CodecName */ ico_codecname
,
4886 /* FormatDescription */ ico_format
,
4887 /* FilenameExtension */ ico_extension
,
4888 /* MimeType */ ico_mimetype
,
4889 /* Flags */ ImageCodecFlagsDecoder
| ImageCodecFlagsSupportBitmap
| ImageCodecFlagsBuiltin
,
4893 /* SigPattern */ ico_sig_pattern
,
4894 /* SigMask */ ico_sig_mask
,
4902 /*****************************************************************************
4903 * GdipGetImageDecodersSize [GDIPLUS.@]
4905 GpStatus WINGDIPAPI
GdipGetImageDecodersSize(UINT
*numDecoders
, UINT
*size
)
4907 int decoder_count
=0;
4909 TRACE("%p %p\n", numDecoders
, size
);
4911 if (!numDecoders
|| !size
)
4912 return InvalidParameter
;
4914 for (i
=0; i
<NUM_CODECS
; i
++)
4916 if (codecs
[i
].info
.Flags
& ImageCodecFlagsDecoder
)
4920 *numDecoders
= decoder_count
;
4921 *size
= decoder_count
* sizeof(ImageCodecInfo
);
4926 /*****************************************************************************
4927 * GdipGetImageDecoders [GDIPLUS.@]
4929 GpStatus WINGDIPAPI
GdipGetImageDecoders(UINT numDecoders
, UINT size
, ImageCodecInfo
*decoders
)
4931 int i
, decoder_count
=0;
4932 TRACE("%u %u %p\n", numDecoders
, size
, decoders
);
4935 size
!= numDecoders
* sizeof(ImageCodecInfo
))
4936 return GenericError
;
4938 for (i
=0; i
<NUM_CODECS
; i
++)
4940 if (codecs
[i
].info
.Flags
& ImageCodecFlagsDecoder
)
4942 if (decoder_count
== numDecoders
) return GenericError
;
4943 memcpy(&decoders
[decoder_count
], &codecs
[i
].info
, sizeof(ImageCodecInfo
));
4948 if (decoder_count
< numDecoders
) return GenericError
;
4953 /*****************************************************************************
4954 * GdipGetImageEncodersSize [GDIPLUS.@]
4956 GpStatus WINGDIPAPI
GdipGetImageEncodersSize(UINT
*numEncoders
, UINT
*size
)
4958 int encoder_count
=0;
4960 TRACE("%p %p\n", numEncoders
, size
);
4962 if (!numEncoders
|| !size
)
4963 return InvalidParameter
;
4965 for (i
=0; i
<NUM_CODECS
; i
++)
4967 if (codecs
[i
].info
.Flags
& ImageCodecFlagsEncoder
)
4971 *numEncoders
= encoder_count
;
4972 *size
= encoder_count
* sizeof(ImageCodecInfo
);
4977 /*****************************************************************************
4978 * GdipGetImageEncoders [GDIPLUS.@]
4980 GpStatus WINGDIPAPI
GdipGetImageEncoders(UINT numEncoders
, UINT size
, ImageCodecInfo
*encoders
)
4982 int i
, encoder_count
=0;
4983 TRACE("%u %u %p\n", numEncoders
, size
, encoders
);
4986 size
!= numEncoders
* sizeof(ImageCodecInfo
))
4987 return GenericError
;
4989 for (i
=0; i
<NUM_CODECS
; i
++)
4991 if (codecs
[i
].info
.Flags
& ImageCodecFlagsEncoder
)
4993 if (encoder_count
== numEncoders
) return GenericError
;
4994 memcpy(&encoders
[encoder_count
], &codecs
[i
].info
, sizeof(ImageCodecInfo
));
4999 if (encoder_count
< numEncoders
) return GenericError
;
5004 GpStatus WINGDIPAPI
GdipGetEncoderParameterListSize(GpImage
*image
,
5005 GDIPCONST CLSID
* clsidEncoder
, UINT
*size
)
5009 TRACE("(%p,%s,%p)\n", image
, debugstr_guid(clsidEncoder
), size
);
5012 FIXME("not implemented\n");
5016 return NotImplemented
;
5019 static PixelFormat
get_16bpp_format(HBITMAP hbm
)
5025 hdc
= CreateCompatibleDC(NULL
);
5027 memset(&bmh
, 0, sizeof(bmh
));
5028 bmh
.bV4Size
= sizeof(bmh
);
5031 bmh
.bV4V4Compression
= BI_BITFIELDS
;
5032 bmh
.bV4BitCount
= 16;
5034 GetDIBits(hdc
, hbm
, 0, 0, NULL
, (BITMAPINFO
*)&bmh
, DIB_RGB_COLORS
);
5036 if (bmh
.bV4RedMask
== 0x7c00 &&
5037 bmh
.bV4GreenMask
== 0x3e0 &&
5038 bmh
.bV4BlueMask
== 0x1f)
5040 result
= PixelFormat16bppRGB555
;
5042 else if (bmh
.bV4RedMask
== 0xf800 &&
5043 bmh
.bV4GreenMask
== 0x7e0 &&
5044 bmh
.bV4BlueMask
== 0x1f)
5046 result
= PixelFormat16bppRGB565
;
5050 FIXME("unrecognized bitfields %x,%x,%x\n", bmh
.bV4RedMask
,
5051 bmh
.bV4GreenMask
, bmh
.bV4BlueMask
);
5052 result
= PixelFormatUndefined
;
5060 /*****************************************************************************
5061 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
5063 GpStatus WINGDIPAPI
GdipCreateBitmapFromHBITMAP(HBITMAP hbm
, HPALETTE hpal
, GpBitmap
** bitmap
)
5068 BitmapData lockeddata
;
5070 TRACE("%p %p %p\n", hbm
, hpal
, bitmap
);
5073 return InvalidParameter
;
5075 if (GetObjectA(hbm
, sizeof(bm
), &bm
) != sizeof(bm
))
5076 return InvalidParameter
;
5078 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
5079 switch(bm
.bmBitsPixel
) {
5081 format
= PixelFormat1bppIndexed
;
5084 format
= PixelFormat4bppIndexed
;
5087 format
= PixelFormat8bppIndexed
;
5090 format
= get_16bpp_format(hbm
);
5091 if (format
== PixelFormatUndefined
)
5092 return InvalidParameter
;
5095 format
= PixelFormat24bppRGB
;
5098 format
= PixelFormat32bppRGB
;
5101 format
= PixelFormat48bppRGB
;
5104 FIXME("don't know how to handle %d bpp\n", bm
.bmBitsPixel
);
5105 return InvalidParameter
;
5108 retval
= GdipCreateBitmapFromScan0(bm
.bmWidth
, bm
.bmHeight
, 0,
5109 format
, NULL
, bitmap
);
5113 retval
= GdipBitmapLockBits(*bitmap
, NULL
, ImageLockModeWrite
,
5114 format
, &lockeddata
);
5118 char bmibuf
[FIELD_OFFSET(BITMAPINFO
, bmiColors
) + 256 * sizeof(RGBQUAD
)];
5119 BITMAPINFO
*pbmi
= (BITMAPINFO
*)bmibuf
;
5122 hdc
= CreateCompatibleDC(NULL
);
5124 pbmi
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
5125 pbmi
->bmiHeader
.biBitCount
= 0;
5127 GetDIBits(hdc
, hbm
, 0, 0, NULL
, pbmi
, DIB_RGB_COLORS
);
5129 src_height
= abs(pbmi
->bmiHeader
.biHeight
);
5130 pbmi
->bmiHeader
.biHeight
= -src_height
;
5132 GetDIBits(hdc
, hbm
, 0, src_height
, lockeddata
.Scan0
, pbmi
, DIB_RGB_COLORS
);
5136 GdipBitmapUnlockBits(*bitmap
, &lockeddata
);
5139 if (retval
== Ok
&& hpal
)
5141 PALETTEENTRY entry
[256];
5142 ColorPalette
*palette
=NULL
;
5143 int i
, num_palette_entries
;
5145 num_palette_entries
= GetPaletteEntries(hpal
, 0, 256, entry
);
5146 if (!num_palette_entries
)
5147 retval
= GenericError
;
5149 palette
= heap_alloc_zero(sizeof(ColorPalette
) + sizeof(ARGB
) * (num_palette_entries
-1));
5151 retval
= OutOfMemory
;
5156 palette
->Count
= num_palette_entries
;
5158 for (i
=0; i
<num_palette_entries
; i
++)
5160 palette
->Entries
[i
] = 0xff000000 | entry
[i
].peRed
<< 16 |
5161 entry
[i
].peGreen
<< 8 | entry
[i
].peBlue
;
5164 retval
= GdipSetImagePalette(&(*bitmap
)->image
, palette
);
5172 GdipDisposeImage(&(*bitmap
)->image
);
5180 /*****************************************************************************
5181 * GdipCreateEffect [GDIPLUS.@]
5183 GpStatus WINGDIPAPI
GdipCreateEffect(const GUID guid
, CGpEffect
**effect
)
5185 FIXME("(%s, %p): stub\n", debugstr_guid(&guid
), effect
);
5188 return InvalidParameter
;
5192 return NotImplemented
;
5195 /*****************************************************************************
5196 * GdipDeleteEffect [GDIPLUS.@]
5198 GpStatus WINGDIPAPI
GdipDeleteEffect(CGpEffect
*effect
)
5200 FIXME("(%p): stub\n", effect
);
5201 /* note: According to Jose Roca's GDI+ Docs, this is not implemented
5202 * in Windows's gdiplus */
5203 return NotImplemented
;
5206 /*****************************************************************************
5207 * GdipSetEffectParameters [GDIPLUS.@]
5209 GpStatus WINGDIPAPI
GdipSetEffectParameters(CGpEffect
*effect
,
5210 const VOID
*params
, const UINT size
)
5214 TRACE("(%p,%p,%u)\n", effect
, params
, size
);
5217 FIXME("not implemented\n");
5219 return NotImplemented
;
5222 /*****************************************************************************
5223 * GdipGetImageFlags [GDIPLUS.@]
5225 GpStatus WINGDIPAPI
GdipGetImageFlags(GpImage
*image
, UINT
*flags
)
5227 TRACE("%p %p\n", image
, flags
);
5229 if(!image
|| !flags
)
5230 return InvalidParameter
;
5232 *flags
= image
->flags
;
5237 GpStatus WINGDIPAPI
GdipTestControl(GpTestControlEnum control
, void *param
)
5239 TRACE("(%d, %p)\n", control
, param
);
5242 case TestControlForceBilinear
:
5244 FIXME("TestControlForceBilinear not handled\n");
5246 case TestControlNoICM
:
5248 FIXME("TestControlNoICM not handled\n");
5250 case TestControlGetBuildNumber
:
5251 *((DWORD
*)param
) = 3102;
5258 GpStatus WINGDIPAPI
GdipImageForceValidation(GpImage
*image
)
5260 TRACE("%p\n", image
);
5265 /*****************************************************************************
5266 * GdipGetImageThumbnail [GDIPLUS.@]
5268 GpStatus WINGDIPAPI
GdipGetImageThumbnail(GpImage
*image
, UINT width
, UINT height
,
5269 GpImage
**ret_image
, GetThumbnailImageAbort cb
,
5273 GpGraphics
*graphics
;
5274 UINT srcwidth
, srcheight
;
5276 TRACE("(%p %u %u %p %p %p)\n",
5277 image
, width
, height
, ret_image
, cb
, cb_data
);
5279 if (!image
|| !ret_image
)
5280 return InvalidParameter
;
5282 if (!width
) width
= 120;
5283 if (!height
) height
= 120;
5285 GdipGetImageWidth(image
, &srcwidth
);
5286 GdipGetImageHeight(image
, &srcheight
);
5288 stat
= GdipCreateBitmapFromScan0(width
, height
, 0, PixelFormat32bppPARGB
,
5289 NULL
, (GpBitmap
**)ret_image
);
5293 stat
= GdipGetImageGraphicsContext(*ret_image
, &graphics
);
5297 stat
= GdipDrawImageRectRectI(graphics
, image
,
5298 0, 0, width
, height
, 0, 0, srcwidth
, srcheight
, UnitPixel
,
5301 GdipDeleteGraphics(graphics
);
5306 GdipDisposeImage(*ret_image
);
5314 /*****************************************************************************
5315 * GdipImageRotateFlip [GDIPLUS.@]
5317 GpStatus WINGDIPAPI
GdipImageRotateFlip(GpImage
*image
, RotateFlipType type
)
5319 GpBitmap
*new_bitmap
;
5321 int bpp
, bytesperpixel
;
5322 BOOL rotate_90
, flip_x
, flip_y
;
5323 int src_x_offset
, src_y_offset
;
5325 UINT x
, y
, width
, height
;
5326 BitmapData src_lock
, dst_lock
;
5330 TRACE("(%p, %u)\n", image
, type
);
5333 return InvalidParameter
;
5334 if (!image_lock(image
, &unlock
))
5338 flip_x
= (type
&6) == 2 || (type
&6) == 4;
5339 flip_y
= (type
&3) == 1 || (type
&3) == 2;
5341 if (image
->type
!= ImageTypeBitmap
)
5343 FIXME("Not implemented for type %i\n", image
->type
);
5344 image_unlock(image
, unlock
);
5345 return NotImplemented
;
5348 bitmap
= (GpBitmap
*)image
;
5349 bpp
= PIXELFORMATBPP(bitmap
->format
);
5353 FIXME("Not implemented for %i bit images\n", bpp
);
5354 image_unlock(image
, unlock
);
5355 return NotImplemented
;
5360 width
= bitmap
->height
;
5361 height
= bitmap
->width
;
5365 width
= bitmap
->width
;
5366 height
= bitmap
->height
;
5369 bytesperpixel
= bpp
/8;
5371 stat
= GdipCreateBitmapFromScan0(width
, height
, 0, bitmap
->format
, NULL
, &new_bitmap
);
5375 image_unlock(image
, unlock
);
5379 stat
= GdipBitmapLockBits(bitmap
, NULL
, ImageLockModeRead
, bitmap
->format
, &src_lock
);
5383 stat
= GdipBitmapLockBits(new_bitmap
, NULL
, ImageLockModeWrite
, bitmap
->format
, &dst_lock
);
5387 LPBYTE src_row
, src_pixel
;
5388 LPBYTE dst_row
, dst_pixel
;
5390 src_origin
= src_lock
.Scan0
;
5391 if (flip_x
) src_origin
+= bytesperpixel
* (bitmap
->width
- 1);
5392 if (flip_y
) src_origin
+= src_lock
.Stride
* (bitmap
->height
- 1);
5396 if (flip_y
) src_x_offset
= -src_lock
.Stride
;
5397 else src_x_offset
= src_lock
.Stride
;
5398 if (flip_x
) src_y_offset
= -bytesperpixel
;
5399 else src_y_offset
= bytesperpixel
;
5403 if (flip_x
) src_x_offset
= -bytesperpixel
;
5404 else src_x_offset
= bytesperpixel
;
5405 if (flip_y
) src_y_offset
= -src_lock
.Stride
;
5406 else src_y_offset
= src_lock
.Stride
;
5409 src_row
= src_origin
;
5410 dst_row
= dst_lock
.Scan0
;
5411 for (y
=0; y
<height
; y
++)
5413 src_pixel
= src_row
;
5414 dst_pixel
= dst_row
;
5415 for (x
=0; x
<width
; x
++)
5417 /* FIXME: This could probably be faster without memcpy. */
5418 memcpy(dst_pixel
, src_pixel
, bytesperpixel
);
5419 dst_pixel
+= bytesperpixel
;
5420 src_pixel
+= src_x_offset
;
5422 src_row
+= src_y_offset
;
5423 dst_row
+= dst_lock
.Stride
;
5426 GdipBitmapUnlockBits(new_bitmap
, &dst_lock
);
5429 GdipBitmapUnlockBits(bitmap
, &src_lock
);
5433 move_bitmap(bitmap
, new_bitmap
, FALSE
);
5435 GdipDisposeImage(&new_bitmap
->image
);
5437 image_unlock(image
, unlock
);
5441 /*****************************************************************************
5442 * GdipImageSetAbort [GDIPLUS.@]
5444 GpStatus WINGDIPAPI
GdipImageSetAbort(GpImage
*image
, GdiplusAbort
*pabort
)
5446 TRACE("(%p, %p)\n", image
, pabort
);
5449 return InvalidParameter
;
5452 FIXME("Abort callback is not supported.\n");
5457 /*****************************************************************************
5458 * GdipBitmapConvertFormat [GDIPLUS.@]
5460 GpStatus WINGDIPAPI
GdipBitmapConvertFormat(GpBitmap
*bitmap
, PixelFormat format
, DitherType dithertype
,
5461 PaletteType palettetype
, ColorPalette
*palette
, REAL alphathreshold
)
5463 FIXME("(%p, 0x%08x, %d, %d, %p, %f): stub\n", bitmap
, format
, dithertype
, palettetype
, palette
, alphathreshold
);
5464 return NotImplemented
;
5467 static void set_histogram_point_argb(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5469 ch0
[ color
>> 24 ]++;
5470 ch1
[(color
>> 16) & 0xff]++;
5471 ch2
[(color
>> 8) & 0xff]++;
5472 ch3
[ color
& 0xff]++;
5475 static void set_histogram_point_pargb(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5477 BYTE alpha
= color
>> 24;
5480 ch1
[(((color
>> 16) & 0xff) * alpha
) / 0xff]++;
5481 ch2
[(((color
>> 8) & 0xff) * alpha
) / 0xff]++;
5482 ch3
[(( color
& 0xff) * alpha
) / 0xff]++;
5485 static void set_histogram_point_rgb(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5487 ch0
[(color
>> 16) & 0xff]++;
5488 ch1
[(color
>> 8) & 0xff]++;
5489 ch2
[ color
& 0xff]++;
5492 static void set_histogram_point_gray(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5494 ch0
[(76 * ((color
>> 16) & 0xff) + 150 * ((color
>> 8) & 0xff) + 29 * (color
& 0xff)) / 0xff]++;
5497 static void set_histogram_point_b(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5499 ch0
[color
& 0xff]++;
5502 static void set_histogram_point_g(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5504 ch0
[(color
>> 8) & 0xff]++;
5507 static void set_histogram_point_r(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5509 ch0
[(color
>> 16) & 0xff]++;
5512 static void set_histogram_point_a(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5514 ch0
[(color
>> 24) & 0xff]++;
5517 /*****************************************************************************
5518 * GdipBitmapGetHistogram [GDIPLUS.@]
5520 GpStatus WINGDIPAPI
GdipBitmapGetHistogram(GpBitmap
*bitmap
, HistogramFormat format
, UINT num_of_entries
,
5521 UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
)
5523 static void (* const set_histogram_point
[])(ARGB color
, UINT
*ch0
, UINT
*ch1
, UINT
*ch2
, UINT
*ch3
) =
5525 set_histogram_point_argb
,
5526 set_histogram_point_pargb
,
5527 set_histogram_point_rgb
,
5528 set_histogram_point_gray
,
5529 set_histogram_point_b
,
5530 set_histogram_point_g
,
5531 set_histogram_point_r
,
5532 set_histogram_point_a
,
5534 UINT width
, height
, x
, y
;
5536 TRACE("(%p, %d, %u, %p, %p, %p, %p)\n", bitmap
, format
, num_of_entries
,
5537 ch0
, ch1
, ch2
, ch3
);
5539 if (!bitmap
|| num_of_entries
!= 256)
5540 return InvalidParameter
;
5542 /* Make sure passed channel pointers match requested format */
5545 case HistogramFormatARGB
:
5546 case HistogramFormatPARGB
:
5547 if (!ch0
|| !ch1
|| !ch2
|| !ch3
)
5548 return InvalidParameter
;
5549 memset(ch0
, 0, num_of_entries
* sizeof(UINT
));
5550 memset(ch1
, 0, num_of_entries
* sizeof(UINT
));
5551 memset(ch2
, 0, num_of_entries
* sizeof(UINT
));
5552 memset(ch3
, 0, num_of_entries
* sizeof(UINT
));
5554 case HistogramFormatRGB
:
5555 if (!ch0
|| !ch1
|| !ch2
|| ch3
)
5556 return InvalidParameter
;
5557 memset(ch0
, 0, num_of_entries
* sizeof(UINT
));
5558 memset(ch1
, 0, num_of_entries
* sizeof(UINT
));
5559 memset(ch2
, 0, num_of_entries
* sizeof(UINT
));
5561 case HistogramFormatGray
:
5562 case HistogramFormatB
:
5563 case HistogramFormatG
:
5564 case HistogramFormatR
:
5565 case HistogramFormatA
:
5566 if (!ch0
|| ch1
|| ch2
|| ch3
)
5567 return InvalidParameter
;
5568 memset(ch0
, 0, num_of_entries
* sizeof(UINT
));
5571 WARN("Invalid histogram format requested, %d\n", format
);
5572 return InvalidParameter
;
5575 GdipGetImageWidth(&bitmap
->image
, &width
);
5576 GdipGetImageHeight(&bitmap
->image
, &height
);
5578 for (y
= 0; y
< height
; y
++)
5579 for (x
= 0; x
< width
; x
++)
5583 GdipBitmapGetPixel(bitmap
, x
, y
, &color
);
5584 set_histogram_point
[format
](color
, ch0
, ch1
, ch2
, ch3
);
5590 /*****************************************************************************
5591 * GdipBitmapGetHistogramSize [GDIPLUS.@]
5593 GpStatus WINGDIPAPI
GdipBitmapGetHistogramSize(HistogramFormat format
, UINT
*num_of_entries
)
5595 TRACE("(%d, %p)\n", format
, num_of_entries
);
5597 if (!num_of_entries
)
5598 return InvalidParameter
;
5600 *num_of_entries
= 256;
5604 static GpStatus
create_optimal_palette(ColorPalette
*palette
, INT desired
,
5605 BOOL transparent
, GpBitmap
*bitmap
)
5610 IWICImagingFactory
*factory
;
5611 IWICPalette
*wic_palette
;
5613 if (!bitmap
) return InvalidParameter
;
5614 if (palette
->Count
< desired
) return GenericError
;
5616 status
= GdipBitmapLockBits(bitmap
, NULL
, ImageLockModeRead
, PixelFormat24bppRGB
, &data
);
5617 if (status
!= Ok
) return status
;
5619 hr
= WICCreateImagingFactory_Proxy(WINCODEC_SDK_VERSION
, &factory
);
5622 GdipBitmapUnlockBits(bitmap
, &data
);
5623 return hresult_to_status(hr
);
5626 hr
= IWICImagingFactory_CreatePalette(factory
, &wic_palette
);
5631 /* PixelFormat24bppRGB actually stores the bitmap bits as BGR. */
5632 hr
= IWICImagingFactory_CreateBitmapFromMemory(factory
, data
.Width
, data
.Height
,
5633 &GUID_WICPixelFormat24bppBGR
, data
.Stride
, data
.Stride
* data
.Width
, data
.Scan0
, &bitmap
);
5636 hr
= IWICPalette_InitializeFromBitmap(wic_palette
, (IWICBitmapSource
*)bitmap
, desired
, transparent
);
5640 IWICPalette_GetColorCount(wic_palette
, &palette
->Count
);
5641 IWICPalette_GetColors(wic_palette
, palette
->Count
, palette
->Entries
, &palette
->Count
);
5644 IWICBitmap_Release(bitmap
);
5647 IWICPalette_Release(wic_palette
);
5650 IWICImagingFactory_Release(factory
);
5651 GdipBitmapUnlockBits(bitmap
, &data
);
5653 return hresult_to_status(hr
);
5656 /*****************************************************************************
5657 * GdipInitializePalette [GDIPLUS.@]
5659 GpStatus WINGDIPAPI
GdipInitializePalette(ColorPalette
*palette
,
5660 PaletteType type
, INT desired
, BOOL transparent
, GpBitmap
*bitmap
)
5662 TRACE("(%p,%d,%d,%d,%p)\n", palette
, type
, desired
, transparent
, bitmap
);
5664 if (!palette
) return InvalidParameter
;
5668 case PaletteTypeCustom
:
5671 case PaletteTypeOptimal
:
5672 return create_optimal_palette(palette
, desired
, transparent
, bitmap
);
5674 /* WIC palette type enumeration matches these gdiplus enums */
5675 case PaletteTypeFixedBW
:
5676 case PaletteTypeFixedHalftone8
:
5677 case PaletteTypeFixedHalftone27
:
5678 case PaletteTypeFixedHalftone64
:
5679 case PaletteTypeFixedHalftone125
:
5680 case PaletteTypeFixedHalftone216
:
5681 case PaletteTypeFixedHalftone252
:
5682 case PaletteTypeFixedHalftone256
:
5684 ColorPalette
*wic_palette
;
5685 GpStatus status
= Ok
;
5687 wic_palette
= get_palette(NULL
, type
);
5688 if (!wic_palette
) return OutOfMemory
;
5690 if (palette
->Count
>= wic_palette
->Count
)
5692 palette
->Flags
= wic_palette
->Flags
;
5693 palette
->Count
= wic_palette
->Count
;
5694 memcpy(palette
->Entries
, wic_palette
->Entries
, wic_palette
->Count
* sizeof(wic_palette
->Entries
[0]));
5697 status
= GenericError
;
5699 heap_free(wic_palette
);
5705 FIXME("unknown palette type %d\n", type
);
5709 return InvalidParameter
;