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msi: Add support for storing strings with embedded nulls in the string table.
[wine.git] / dlls / gdiplus / image.c
blob3ee024c72f99466db709eb0c357678ba6fcc66f0
1 /*
2 * Copyright (C) 2007 Google (Evan Stade)
3 * Copyright (C) 2012 Dmitry Timoshkov
4 *
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.
9 *
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.
14 *
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
18 */
19
20 #include <stdarg.h>
21 #include <assert.h>
22
23 #define NONAMELESSUNION
24
25 #include "windef.h"
26 #include "winbase.h"
27 #include "winuser.h"
28 #include "wingdi.h"
29
30 #define COBJMACROS
31 #include "objbase.h"
32 #include "olectl.h"
33 #include "ole2.h"
34
35 #include "initguid.h"
36 #include "wincodec.h"
37 #include "gdiplus.h"
38 #include "gdiplus_private.h"
39 #include "wine/debug.h"
40
41 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
42
43 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
44
45 static const struct
46 {
47 const WICPixelFormatGUID *wic_format;
48 PixelFormat gdip_format;
49 /* predefined palette type to use for pixel format conversions */
50 WICBitmapPaletteType palette_type;
51 } pixel_formats[] =
52 {
53 { &GUID_WICPixelFormatBlackWhite, PixelFormat1bppIndexed, WICBitmapPaletteTypeFixedBW },
54 { &GUID_WICPixelFormat1bppIndexed, PixelFormat1bppIndexed, WICBitmapPaletteTypeFixedBW },
55 { &GUID_WICPixelFormat8bppGray, PixelFormat8bppIndexed, WICBitmapPaletteTypeFixedGray256 },
56 { &GUID_WICPixelFormat8bppIndexed, PixelFormat8bppIndexed, WICBitmapPaletteTypeFixedHalftone256 },
57 { &GUID_WICPixelFormat16bppBGR555, PixelFormat16bppRGB555, WICBitmapPaletteTypeFixedHalftone256 },
58 { &GUID_WICPixelFormat24bppBGR, PixelFormat24bppRGB, WICBitmapPaletteTypeFixedHalftone256 },
59 { &GUID_WICPixelFormat32bppBGR, PixelFormat32bppRGB, WICBitmapPaletteTypeFixedHalftone256 },
60 { &GUID_WICPixelFormat32bppBGRA, PixelFormat32bppARGB, WICBitmapPaletteTypeFixedHalftone256 },
61 { &GUID_WICPixelFormat32bppPBGRA, PixelFormat32bppPARGB, WICBitmapPaletteTypeFixedHalftone256 },
62 { NULL }
63 };
64
65 static ColorPalette *get_palette(IWICBitmapFrameDecode *frame, WICBitmapPaletteType palette_type)
66 {
67 HRESULT hr;
68 IWICImagingFactory *factory;
69 IWICPalette *wic_palette;
70 ColorPalette *palette = NULL;
71
72 hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
73 &IID_IWICImagingFactory, (void **)&factory);
74 if (hr != S_OK) return NULL;
75
76 hr = IWICImagingFactory_CreatePalette(factory, &wic_palette);
77 if (hr == S_OK)
78 {
79 hr = WINCODEC_ERR_PALETTEUNAVAILABLE;
80 if (frame)
81 hr = IWICBitmapFrameDecode_CopyPalette(frame, wic_palette);
82 if (hr != S_OK)
83 {
84 TRACE("using predefined palette %#x\n", palette_type);
85 hr = IWICPalette_InitializePredefined(wic_palette, palette_type, FALSE);
86 }
87 if (hr == S_OK)
88 {
89 UINT count;
90 BOOL mono, gray;
91
92 IWICPalette_IsBlackWhite(wic_palette, &mono);
93 IWICPalette_IsGrayscale(wic_palette, &gray);
94
95 IWICPalette_GetColorCount(wic_palette, &count);
96 palette = HeapAlloc(GetProcessHeap(), 0, 2 * sizeof(UINT) + count * sizeof(ARGB));
97 IWICPalette_GetColors(wic_palette, count, palette->Entries, &palette->Count);
98
99 if (mono)
100 palette->Flags = 0;
101 else if (gray)
102 palette->Flags = PaletteFlagsGrayScale;
103 else
104 palette->Flags = PaletteFlagsHalftone;
105 }
106 IWICPalette_Release(wic_palette);
107 }
108 IWICImagingFactory_Release(factory);
109 return palette;
110 }
111
112 static INT ipicture_pixel_height(IPicture *pic)
113 {
114 HDC hdcref;
115 OLE_YSIZE_HIMETRIC y;
116
117 IPicture_get_Height(pic, &y);
118
119 hdcref = GetDC(0);
120
121 y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC);
122 ReleaseDC(0, hdcref);
123
124 return y;
125 }
126
127 static INT ipicture_pixel_width(IPicture *pic)
128 {
129 HDC hdcref;
130 OLE_XSIZE_HIMETRIC x;
131
132 IPicture_get_Width(pic, &x);
133
134 hdcref = GetDC(0);
135
136 x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC);
137
138 ReleaseDC(0, hdcref);
139
140 return x;
141 }
142
143 GpStatus WINGDIPAPI GdipBitmapApplyEffect(GpBitmap* bitmap, CGpEffect* effect,
144 RECT* roi, BOOL useAuxData, VOID** auxData, INT* auxDataSize)
145 {
146 FIXME("(%p %p %p %d %p %p): stub\n", bitmap, effect, roi, useAuxData, auxData, auxDataSize);
147 /*
148 * Note: According to Jose Roca's GDI+ docs, this function is not
149 * implemented in Windows's GDI+.
150 */
151 return NotImplemented;
152 }
153
154 GpStatus WINGDIPAPI GdipBitmapCreateApplyEffect(GpBitmap** inputBitmaps,
155 INT numInputs, CGpEffect* effect, RECT* roi, RECT* outputRect,
156 GpBitmap** outputBitmap, BOOL useAuxData, VOID** auxData, INT* auxDataSize)
157 {
158 FIXME("(%p %d %p %p %p %p %d %p %p): stub\n", inputBitmaps, numInputs, effect, roi, outputRect, outputBitmap, useAuxData, auxData, auxDataSize);
159 /*
160 * Note: According to Jose Roca's GDI+ docs, this function is not
161 * implemented in Windows's GDI+.
162 */
163 return NotImplemented;
164 }
165
166 static inline void getpixel_1bppIndexed(BYTE *index, const BYTE *row, UINT x)
167 {
168 *index = (row[x/8]>>(7-x%8)) & 1;
169 }
170
171 static inline void getpixel_4bppIndexed(BYTE *index, const BYTE *row, UINT x)
172 {
173 if (x & 1)
174 *index = row[x/2]&0xf;
175 else
176 *index = row[x/2]>>4;
177 }
178
179 static inline void getpixel_8bppIndexed(BYTE *index, const BYTE *row, UINT x)
180 {
181 *index = row[x];
182 }
183
184 static inline void getpixel_16bppGrayScale(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
185 const BYTE *row, UINT x)
186 {
187 *r = *g = *b = row[x*2+1];
188 *a = 255;
189 }
190
191 static inline void getpixel_16bppRGB555(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
192 const BYTE *row, UINT x)
193 {
194 WORD pixel = *((const WORD*)(row)+x);
195 *r = (pixel>>7&0xf8)|(pixel>>12&0x7);
196 *g = (pixel>>2&0xf8)|(pixel>>6&0x7);
197 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
198 *a = 255;
199 }
200
201 static inline void getpixel_16bppRGB565(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
202 const BYTE *row, UINT x)
203 {
204 WORD pixel = *((const WORD*)(row)+x);
205 *r = (pixel>>8&0xf8)|(pixel>>13&0x7);
206 *g = (pixel>>3&0xfc)|(pixel>>9&0x3);
207 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
208 *a = 255;
209 }
210
211 static inline void getpixel_16bppARGB1555(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
212 const BYTE *row, UINT x)
213 {
214 WORD pixel = *((const WORD*)(row)+x);
215 *r = (pixel>>7&0xf8)|(pixel>>12&0x7);
216 *g = (pixel>>2&0xf8)|(pixel>>6&0x7);
217 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
218 if ((pixel&0x8000) == 0x8000)
219 *a = 255;
220 else
221 *a = 0;
222 }
223
224 static inline void getpixel_24bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
225 const BYTE *row, UINT x)
226 {
227 *r = row[x*3+2];
228 *g = row[x*3+1];
229 *b = row[x*3];
230 *a = 255;
231 }
232
233 static inline void getpixel_32bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
234 const BYTE *row, UINT x)
235 {
236 *r = row[x*4+2];
237 *g = row[x*4+1];
238 *b = row[x*4];
239 *a = 255;
240 }
241
242 static inline void getpixel_32bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
243 const BYTE *row, UINT x)
244 {
245 *r = row[x*4+2];
246 *g = row[x*4+1];
247 *b = row[x*4];
248 *a = row[x*4+3];
249 }
250
251 static inline void getpixel_32bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
252 const BYTE *row, UINT x)
253 {
254 *a = row[x*4+3];
255 if (*a == 0)
256 *r = *g = *b = 0;
257 else
258 {
259 *r = row[x*4+2] * 255 / *a;
260 *g = row[x*4+1] * 255 / *a;
261 *b = row[x*4] * 255 / *a;
262 }
263 }
264
265 static inline void getpixel_48bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
266 const BYTE *row, UINT x)
267 {
268 *r = row[x*6+5];
269 *g = row[x*6+3];
270 *b = row[x*6+1];
271 *a = 255;
272 }
273
274 static inline void getpixel_64bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
275 const BYTE *row, UINT x)
276 {
277 *r = row[x*8+5];
278 *g = row[x*8+3];
279 *b = row[x*8+1];
280 *a = row[x*8+7];
281 }
282
283 static inline void getpixel_64bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
284 const BYTE *row, UINT x)
285 {
286 *a = row[x*8+7];
287 if (*a == 0)
288 *r = *g = *b = 0;
289 else
290 {
291 *r = row[x*8+5] * 255 / *a;
292 *g = row[x*8+3] * 255 / *a;
293 *b = row[x*8+1] * 255 / *a;
294 }
295 }
296
297 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
298 ARGB *color)
299 {
300 BYTE r, g, b, a;
301 BYTE index;
302 BYTE *row;
303 TRACE("%p %d %d %p\n", bitmap, x, y, color);
304
305 if(!bitmap || !color ||
306 x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
307 return InvalidParameter;
308
309 row = bitmap->bits+bitmap->stride*y;
310
311 switch (bitmap->format)
312 {
313 case PixelFormat1bppIndexed:
314 getpixel_1bppIndexed(&index,row,x);
315 break;
316 case PixelFormat4bppIndexed:
317 getpixel_4bppIndexed(&index,row,x);
318 break;
319 case PixelFormat8bppIndexed:
320 getpixel_8bppIndexed(&index,row,x);
321 break;
322 case PixelFormat16bppGrayScale:
323 getpixel_16bppGrayScale(&r,&g,&b,&a,row,x);
324 break;
325 case PixelFormat16bppRGB555:
326 getpixel_16bppRGB555(&r,&g,&b,&a,row,x);
327 break;
328 case PixelFormat16bppRGB565:
329 getpixel_16bppRGB565(&r,&g,&b,&a,row,x);
330 break;
331 case PixelFormat16bppARGB1555:
332 getpixel_16bppARGB1555(&r,&g,&b,&a,row,x);
333 break;
334 case PixelFormat24bppRGB:
335 getpixel_24bppRGB(&r,&g,&b,&a,row,x);
336 break;
337 case PixelFormat32bppRGB:
338 getpixel_32bppRGB(&r,&g,&b,&a,row,x);
339 break;
340 case PixelFormat32bppARGB:
341 getpixel_32bppARGB(&r,&g,&b,&a,row,x);
342 break;
343 case PixelFormat32bppPARGB:
344 getpixel_32bppPARGB(&r,&g,&b,&a,row,x);
345 break;
346 case PixelFormat48bppRGB:
347 getpixel_48bppRGB(&r,&g,&b,&a,row,x);
348 break;
349 case PixelFormat64bppARGB:
350 getpixel_64bppARGB(&r,&g,&b,&a,row,x);
351 break;
352 case PixelFormat64bppPARGB:
353 getpixel_64bppPARGB(&r,&g,&b,&a,row,x);
354 break;
355 default:
356 FIXME("not implemented for format 0x%x\n", bitmap->format);
357 return NotImplemented;
358 }
359
360 if (bitmap->format & PixelFormatIndexed)
361 *color = bitmap->image.palette->Entries[index];
362 else
363 *color = a<<24|r<<16|g<<8|b;
364
365 return Ok;
366 }
367
368 static inline UINT get_palette_index(BYTE r, BYTE g, BYTE b, BYTE a, ColorPalette *palette)
369 {
370 BYTE index = 0;
371 int best_distance = 0x7fff;
372 int distance;
373 int i;
374
375 if (!palette) return 0;
376 /* This algorithm scans entire palette,
377 computes difference from desired color (all color components have equal weight)
378 and returns the index of color with least difference.
379
380 Note: Maybe it could be replaced with a better algorithm for better image quality
381 and performance, though better algorithm would probably need some pre-built lookup
382 tables and thus may actually be slower if this method is called only few times per
383 every image.
384 */
385 for(i=0;i<palette->Count;i++) {
386 ARGB color=palette->Entries[i];
387 distance=abs(b-(color & 0xff)) + abs(g-(color>>8 & 0xff)) + abs(r-(color>>16 & 0xff)) + abs(a-(color>>24 & 0xff));
388 if (distance<best_distance) {
389 best_distance=distance;
390 index=i;
391 }
392 }
393 return index;
394 }
395
396 static inline void setpixel_8bppIndexed(BYTE r, BYTE g, BYTE b, BYTE a,
397 BYTE *row, UINT x, ColorPalette *palette)
398 {
399 BYTE index = get_palette_index(r,g,b,a,palette);
400 row[x]=index;
401 }
402
403 static inline void setpixel_1bppIndexed(BYTE r, BYTE g, BYTE b, BYTE a,
404 BYTE *row, UINT x, ColorPalette *palette)
405 {
406 row[x/8] = (row[x/8] & ~(1<<(7-x%8))) | (get_palette_index(r,g,b,a,palette)<<(7-x%8));
407 }
408
409 static inline void setpixel_4bppIndexed(BYTE r, BYTE g, BYTE b, BYTE a,
410 BYTE *row, UINT x, ColorPalette *palette)
411 {
412 if (x & 1)
413 row[x/2] = (row[x/2] & 0xf0) | get_palette_index(r,g,b,a,palette);
414 else
415 row[x/2] = (row[x/2] & 0x0f) | get_palette_index(r,g,b,a,palette)<<4;
416 }
417
418 static inline void setpixel_16bppGrayScale(BYTE r, BYTE g, BYTE b, BYTE a,
419 BYTE *row, UINT x)
420 {
421 *((WORD*)(row)+x) = (r+g+b)*85;
422 }
423
424 static inline void setpixel_16bppRGB555(BYTE r, BYTE g, BYTE b, BYTE a,
425 BYTE *row, UINT x)
426 {
427 *((WORD*)(row)+x) = (r<<7&0x7c00)|
428 (g<<2&0x03e0)|
429 (b>>3&0x001f);
430 }
431
432 static inline void setpixel_16bppRGB565(BYTE r, BYTE g, BYTE b, BYTE a,
433 BYTE *row, UINT x)
434 {
435 *((WORD*)(row)+x) = (r<<8&0xf800)|
436 (g<<3&0x07e0)|
437 (b>>3&0x001f);
438 }
439
440 static inline void setpixel_16bppARGB1555(BYTE r, BYTE g, BYTE b, BYTE a,
441 BYTE *row, UINT x)
442 {
443 *((WORD*)(row)+x) = (a<<8&0x8000)|
444 (r<<7&0x7c00)|
445 (g<<2&0x03e0)|
446 (b>>3&0x001f);
447 }
448
449 static inline void setpixel_24bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
450 BYTE *row, UINT x)
451 {
452 row[x*3+2] = r;
453 row[x*3+1] = g;
454 row[x*3] = b;
455 }
456
457 static inline void setpixel_32bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
458 BYTE *row, UINT x)
459 {
460 *((DWORD*)(row)+x) = (r<<16)|(g<<8)|b;
461 }
462
463 static inline void setpixel_32bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
464 BYTE *row, UINT x)
465 {
466 *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
467 }
468
469 static inline void setpixel_32bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
470 BYTE *row, UINT x)
471 {
472 r = r * a / 255;
473 g = g * a / 255;
474 b = b * a / 255;
475 *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
476 }
477
478 static inline void setpixel_48bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
479 BYTE *row, UINT x)
480 {
481 row[x*6+5] = row[x*6+4] = r;
482 row[x*6+3] = row[x*6+2] = g;
483 row[x*6+1] = row[x*6] = b;
484 }
485
486 static inline void setpixel_64bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
487 BYTE *row, UINT x)
488 {
489 UINT64 a64=a, r64=r, g64=g, b64=b;
490 *((UINT64*)(row)+x) = (a64<<56)|(a64<<48)|(r64<<40)|(r64<<32)|(g64<<24)|(g64<<16)|(b64<<8)|b64;
491 }
492
493 static inline void setpixel_64bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
494 BYTE *row, UINT x)
495 {
496 UINT64 a64, r64, g64, b64;
497 a64 = a * 257;
498 r64 = r * a / 255;
499 g64 = g * a / 255;
500 b64 = b * a / 255;
501 *((UINT64*)(row)+x) = (a64<<48)|(r64<<32)|(g64<<16)|b64;
502 }
503
504 GpStatus WINGDIPAPI GdipBitmapSetPixel(GpBitmap* bitmap, INT x, INT y,
505 ARGB color)
506 {
507 BYTE a, r, g, b;
508 BYTE *row;
509 TRACE("bitmap:%p, x:%d, y:%d, color:%08x\n", bitmap, x, y, color);
510
511 if(!bitmap || x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
512 return InvalidParameter;
513
514 a = color>>24;
515 r = color>>16;
516 g = color>>8;
517 b = color;
518
519 row = bitmap->bits + bitmap->stride * y;
520
521 switch (bitmap->format)
522 {
523 case PixelFormat16bppGrayScale:
524 setpixel_16bppGrayScale(r,g,b,a,row,x);
525 break;
526 case PixelFormat16bppRGB555:
527 setpixel_16bppRGB555(r,g,b,a,row,x);
528 break;
529 case PixelFormat16bppRGB565:
530 setpixel_16bppRGB565(r,g,b,a,row,x);
531 break;
532 case PixelFormat16bppARGB1555:
533 setpixel_16bppARGB1555(r,g,b,a,row,x);
534 break;
535 case PixelFormat24bppRGB:
536 setpixel_24bppRGB(r,g,b,a,row,x);
537 break;
538 case PixelFormat32bppRGB:
539 setpixel_32bppRGB(r,g,b,a,row,x);
540 break;
541 case PixelFormat32bppARGB:
542 setpixel_32bppARGB(r,g,b,a,row,x);
543 break;
544 case PixelFormat32bppPARGB:
545 setpixel_32bppPARGB(r,g,b,a,row,x);
546 break;
547 case PixelFormat48bppRGB:
548 setpixel_48bppRGB(r,g,b,a,row,x);
549 break;
550 case PixelFormat64bppARGB:
551 setpixel_64bppARGB(r,g,b,a,row,x);
552 break;
553 case PixelFormat64bppPARGB:
554 setpixel_64bppPARGB(r,g,b,a,row,x);
555 break;
556 case PixelFormat8bppIndexed:
557 setpixel_8bppIndexed(r,g,b,a,row,x,bitmap->image.palette);
558 break;
559 case PixelFormat4bppIndexed:
560 setpixel_4bppIndexed(r,g,b,a,row,x,bitmap->image.palette);
561 break;
562 case PixelFormat1bppIndexed:
563 setpixel_1bppIndexed(r,g,b,a,row,x,bitmap->image.palette);
564 break;
565 default:
566 FIXME("not implemented for format 0x%x\n", bitmap->format);
567 return NotImplemented;
568 }
569
570 return Ok;
571 }
572
573 GpStatus convert_pixels(INT width, INT height,
574 INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
575 INT src_stride, const BYTE *src_bits, PixelFormat src_format,
576 ColorPalette *palette)
577 {
578 INT x, y;
579
580 if (src_format == dst_format ||
581 (dst_format == PixelFormat32bppRGB && PIXELFORMATBPP(src_format) == 32))
582 {
583 UINT widthbytes = PIXELFORMATBPP(src_format) * width / 8;
584 for (y=0; y<height; y++)
585 memcpy(dst_bits+dst_stride*y, src_bits+src_stride*y, widthbytes);
586 return Ok;
587 }
588
589 #define convert_indexed_to_rgb(getpixel_function, setpixel_function) do { \
590 for (x=0; x<width; x++) \
591 for (y=0; y<height; y++) { \
592 BYTE index; \
593 ARGB argb; \
594 BYTE *color = (BYTE *)&argb; \
595 getpixel_function(&index, src_bits+src_stride*y, x); \
596 argb = (palette && index < palette->Count) ? palette->Entries[index] : 0; \
597 setpixel_function(color[2], color[1], color[0], color[3], dst_bits+dst_stride*y, x); \
598 } \
599 return Ok; \
600 } while (0);
601
602 #define convert_rgb_to_rgb(getpixel_function, setpixel_function) do { \
603 for (x=0; x<width; x++) \
604 for (y=0; y<height; y++) { \
605 BYTE r, g, b, a; \
606 getpixel_function(&r, &g, &b, &a, src_bits+src_stride*y, x); \
607 setpixel_function(r, g, b, a, dst_bits+dst_stride*y, x); \
608 } \
609 return Ok; \
610 } while (0);
611
612 #define convert_rgb_to_indexed(getpixel_function, setpixel_function) do { \
613 for (x=0; x<width; x++) \
614 for (y=0; y<height; y++) { \
615 BYTE r, g, b, a; \
616 getpixel_function(&r, &g, &b, &a, src_bits+src_stride*y, x); \
617 setpixel_function(r, g, b, a, dst_bits+dst_stride*y, x, palette); \
618 } \
619 return Ok; \
620 } while (0);
621
622 switch (src_format)
623 {
624 case PixelFormat1bppIndexed:
625 switch (dst_format)
626 {
627 case PixelFormat16bppGrayScale:
628 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppGrayScale);
629 case PixelFormat16bppRGB555:
630 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB555);
631 case PixelFormat16bppRGB565:
632 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB565);
633 case PixelFormat16bppARGB1555:
634 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppARGB1555);
635 case PixelFormat24bppRGB:
636 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_24bppRGB);
637 case PixelFormat32bppRGB:
638 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppRGB);
639 case PixelFormat32bppARGB:
640 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppARGB);
641 case PixelFormat32bppPARGB:
642 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppPARGB);
643 case PixelFormat48bppRGB:
644 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_48bppRGB);
645 case PixelFormat64bppARGB:
646 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_64bppARGB);
647 default:
648 break;
649 }
650 break;
651 case PixelFormat4bppIndexed:
652 switch (dst_format)
653 {
654 case PixelFormat16bppGrayScale:
655 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppGrayScale);
656 case PixelFormat16bppRGB555:
657 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB555);
658 case PixelFormat16bppRGB565:
659 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB565);
660 case PixelFormat16bppARGB1555:
661 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppARGB1555);
662 case PixelFormat24bppRGB:
663 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_24bppRGB);
664 case PixelFormat32bppRGB:
665 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppRGB);
666 case PixelFormat32bppARGB:
667 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppARGB);
668 case PixelFormat32bppPARGB:
669 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppPARGB);
670 case PixelFormat48bppRGB:
671 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_48bppRGB);
672 case PixelFormat64bppARGB:
673 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_64bppARGB);
674 default:
675 break;
676 }
677 break;
678 case PixelFormat8bppIndexed:
679 switch (dst_format)
680 {
681 case PixelFormat16bppGrayScale:
682 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppGrayScale);
683 case PixelFormat16bppRGB555:
684 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB555);
685 case PixelFormat16bppRGB565:
686 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB565);
687 case PixelFormat16bppARGB1555:
688 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppARGB1555);
689 case PixelFormat24bppRGB:
690 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_24bppRGB);
691 case PixelFormat32bppRGB:
692 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppRGB);
693 case PixelFormat32bppARGB:
694 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppARGB);
695 case PixelFormat32bppPARGB:
696 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppPARGB);
697 case PixelFormat48bppRGB:
698 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_48bppRGB);
699 case PixelFormat64bppARGB:
700 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_64bppARGB);
701 default:
702 break;
703 }
704 break;
705 case PixelFormat16bppGrayScale:
706 switch (dst_format)
707 {
708 case PixelFormat1bppIndexed:
709 convert_rgb_to_indexed(getpixel_16bppGrayScale, setpixel_1bppIndexed);
710 case PixelFormat8bppIndexed:
711 convert_rgb_to_indexed(getpixel_16bppGrayScale, setpixel_8bppIndexed);
712 case PixelFormat16bppRGB555:
713 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB555);
714 case PixelFormat16bppRGB565:
715 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB565);
716 case PixelFormat16bppARGB1555:
717 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppARGB1555);
718 case PixelFormat24bppRGB:
719 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_24bppRGB);
720 case PixelFormat32bppRGB:
721 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppRGB);
722 case PixelFormat32bppARGB:
723 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppARGB);
724 case PixelFormat32bppPARGB:
725 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppPARGB);
726 case PixelFormat48bppRGB:
727 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_48bppRGB);
728 case PixelFormat64bppARGB:
729 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_64bppARGB);
730 default:
731 break;
732 }
733 break;
734 case PixelFormat16bppRGB555:
735 switch (dst_format)
736 {
737 case PixelFormat1bppIndexed:
738 convert_rgb_to_indexed(getpixel_16bppRGB555, setpixel_1bppIndexed);
739 case PixelFormat8bppIndexed:
740 convert_rgb_to_indexed(getpixel_16bppRGB555, setpixel_8bppIndexed);
741 case PixelFormat16bppGrayScale:
742 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppGrayScale);
743 case PixelFormat16bppRGB565:
744 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppRGB565);
745 case PixelFormat16bppARGB1555:
746 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppARGB1555);
747 case PixelFormat24bppRGB:
748 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_24bppRGB);
749 case PixelFormat32bppRGB:
750 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppRGB);
751 case PixelFormat32bppARGB:
752 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppARGB);
753 case PixelFormat32bppPARGB:
754 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppPARGB);
755 case PixelFormat48bppRGB:
756 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_48bppRGB);
757 case PixelFormat64bppARGB:
758 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_64bppARGB);
759 default:
760 break;
761 }
762 break;
763 case PixelFormat16bppRGB565:
764 switch (dst_format)
765 {
766 case PixelFormat1bppIndexed:
767 convert_rgb_to_indexed(getpixel_16bppRGB565, setpixel_1bppIndexed);
768 case PixelFormat8bppIndexed:
769 convert_rgb_to_indexed(getpixel_16bppRGB565, setpixel_8bppIndexed);
770 case PixelFormat16bppGrayScale:
771 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppGrayScale);
772 case PixelFormat16bppRGB555:
773 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppRGB555);
774 case PixelFormat16bppARGB1555:
775 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppARGB1555);
776 case PixelFormat24bppRGB:
777 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_24bppRGB);
778 case PixelFormat32bppRGB:
779 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppRGB);
780 case PixelFormat32bppARGB:
781 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppARGB);
782 case PixelFormat32bppPARGB:
783 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppPARGB);
784 case PixelFormat48bppRGB:
785 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_48bppRGB);
786 case PixelFormat64bppARGB:
787 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_64bppARGB);
788 default:
789 break;
790 }
791 break;
792 case PixelFormat16bppARGB1555:
793 switch (dst_format)
794 {
795 case PixelFormat1bppIndexed:
796 convert_rgb_to_indexed(getpixel_16bppARGB1555, setpixel_1bppIndexed);
797 case PixelFormat8bppIndexed:
798 convert_rgb_to_indexed(getpixel_16bppARGB1555, setpixel_8bppIndexed);
799 case PixelFormat16bppGrayScale:
800 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppGrayScale);
801 case PixelFormat16bppRGB555:
802 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB555);
803 case PixelFormat16bppRGB565:
804 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB565);
805 case PixelFormat24bppRGB:
806 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_24bppRGB);
807 case PixelFormat32bppRGB:
808 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppRGB);
809 case PixelFormat32bppARGB:
810 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppARGB);
811 case PixelFormat32bppPARGB:
812 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppPARGB);
813 case PixelFormat48bppRGB:
814 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_48bppRGB);
815 case PixelFormat64bppARGB:
816 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_64bppARGB);
817 default:
818 break;
819 }
820 break;
821 case PixelFormat24bppRGB:
822 switch (dst_format)
823 {
824 case PixelFormat1bppIndexed:
825 convert_rgb_to_indexed(getpixel_24bppRGB, setpixel_1bppIndexed);
826 case PixelFormat8bppIndexed:
827 convert_rgb_to_indexed(getpixel_24bppRGB, setpixel_8bppIndexed);
828 case PixelFormat16bppGrayScale:
829 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppGrayScale);
830 case PixelFormat16bppRGB555:
831 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB555);
832 case PixelFormat16bppRGB565:
833 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB565);
834 case PixelFormat16bppARGB1555:
835 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppARGB1555);
836 case PixelFormat32bppRGB:
837 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppRGB);
838 case PixelFormat32bppARGB:
839 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppARGB);
840 case PixelFormat32bppPARGB:
841 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppPARGB);
842 case PixelFormat48bppRGB:
843 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_48bppRGB);
844 case PixelFormat64bppARGB:
845 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_64bppARGB);
846 default:
847 break;
848 }
849 break;
850 case PixelFormat32bppRGB:
851 switch (dst_format)
852 {
853 case PixelFormat1bppIndexed:
854 convert_rgb_to_indexed(getpixel_32bppRGB, setpixel_1bppIndexed);
855 case PixelFormat8bppIndexed:
856 convert_rgb_to_indexed(getpixel_32bppRGB, setpixel_8bppIndexed);
857 case PixelFormat16bppGrayScale:
858 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppGrayScale);
859 case PixelFormat16bppRGB555:
860 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB555);
861 case PixelFormat16bppRGB565:
862 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB565);
863 case PixelFormat16bppARGB1555:
864 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppARGB1555);
865 case PixelFormat24bppRGB:
866 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_24bppRGB);
867 case PixelFormat32bppARGB:
868 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppARGB);
869 case PixelFormat32bppPARGB:
870 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppPARGB);
871 case PixelFormat48bppRGB:
872 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_48bppRGB);
873 case PixelFormat64bppARGB:
874 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_64bppARGB);
875 default:
876 break;
877 }
878 break;
879 case PixelFormat32bppARGB:
880 switch (dst_format)
881 {
882 case PixelFormat1bppIndexed:
883 convert_rgb_to_indexed(getpixel_32bppARGB, setpixel_1bppIndexed);
884 case PixelFormat8bppIndexed:
885 convert_rgb_to_indexed(getpixel_32bppARGB, setpixel_8bppIndexed);
886 case PixelFormat16bppGrayScale:
887 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppGrayScale);
888 case PixelFormat16bppRGB555:
889 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB555);
890 case PixelFormat16bppRGB565:
891 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB565);
892 case PixelFormat16bppARGB1555:
893 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppARGB1555);
894 case PixelFormat24bppRGB:
895 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_24bppRGB);
896 case PixelFormat32bppPARGB:
897 convert_32bppARGB_to_32bppPARGB(width, height, dst_bits, dst_stride, src_bits, src_stride);
898 return Ok;
899 case PixelFormat48bppRGB:
900 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_48bppRGB);
901 case PixelFormat64bppARGB:
902 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_64bppARGB);
903 default:
904 break;
905 }
906 break;
907 case PixelFormat32bppPARGB:
908 switch (dst_format)
909 {
910 case PixelFormat1bppIndexed:
911 convert_rgb_to_indexed(getpixel_32bppPARGB, setpixel_1bppIndexed);
912 case PixelFormat8bppIndexed:
913 convert_rgb_to_indexed(getpixel_32bppPARGB, setpixel_8bppIndexed);
914 case PixelFormat16bppGrayScale:
915 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppGrayScale);
916 case PixelFormat16bppRGB555:
917 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB555);
918 case PixelFormat16bppRGB565:
919 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB565);
920 case PixelFormat16bppARGB1555:
921 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppARGB1555);
922 case PixelFormat24bppRGB:
923 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_24bppRGB);
924 case PixelFormat32bppRGB:
925 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppRGB);
926 case PixelFormat32bppARGB:
927 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppARGB);
928 case PixelFormat48bppRGB:
929 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_48bppRGB);
930 case PixelFormat64bppARGB:
931 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_64bppARGB);
932 default:
933 break;
934 }
935 break;
936 case PixelFormat48bppRGB:
937 switch (dst_format)
938 {
939 case PixelFormat1bppIndexed:
940 convert_rgb_to_indexed(getpixel_48bppRGB, setpixel_1bppIndexed);
941 case PixelFormat8bppIndexed:
942 convert_rgb_to_indexed(getpixel_48bppRGB, setpixel_8bppIndexed);
943 case PixelFormat16bppGrayScale:
944 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppGrayScale);
945 case PixelFormat16bppRGB555:
946 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB555);
947 case PixelFormat16bppRGB565:
948 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB565);
949 case PixelFormat16bppARGB1555:
950 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppARGB1555);
951 case PixelFormat24bppRGB:
952 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_24bppRGB);
953 case PixelFormat32bppRGB:
954 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppRGB);
955 case PixelFormat32bppARGB:
956 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppARGB);
957 case PixelFormat32bppPARGB:
958 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppPARGB);
959 case PixelFormat64bppARGB:
960 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_64bppARGB);
961 default:
962 break;
963 }
964 break;
965 case PixelFormat64bppARGB:
966 switch (dst_format)
967 {
968 case PixelFormat1bppIndexed:
969 convert_rgb_to_indexed(getpixel_64bppARGB, setpixel_1bppIndexed);
970 case PixelFormat8bppIndexed:
971 convert_rgb_to_indexed(getpixel_64bppARGB, setpixel_8bppIndexed);
972 case PixelFormat16bppGrayScale:
973 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppGrayScale);
974 case PixelFormat16bppRGB555:
975 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB555);
976 case PixelFormat16bppRGB565:
977 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB565);
978 case PixelFormat16bppARGB1555:
979 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppARGB1555);
980 case PixelFormat24bppRGB:
981 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_24bppRGB);
982 case PixelFormat32bppRGB:
983 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppRGB);
984 case PixelFormat32bppARGB:
985 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppARGB);
986 case PixelFormat32bppPARGB:
987 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppPARGB);
988 case PixelFormat48bppRGB:
989 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_48bppRGB);
990 default:
991 break;
992 }
993 break;
994 case PixelFormat64bppPARGB:
995 switch (dst_format)
996 {
997 case PixelFormat1bppIndexed:
998 convert_rgb_to_indexed(getpixel_64bppPARGB, setpixel_1bppIndexed);
999 case PixelFormat8bppIndexed:
1000 convert_rgb_to_indexed(getpixel_64bppPARGB, setpixel_8bppIndexed);
1001 case PixelFormat16bppGrayScale:
1002 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppGrayScale);
1003 case PixelFormat16bppRGB555:
1004 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB555);
1005 case PixelFormat16bppRGB565:
1006 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB565);
1007 case PixelFormat16bppARGB1555:
1008 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppARGB1555);
1009 case PixelFormat24bppRGB:
1010 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_24bppRGB);
1011 case PixelFormat32bppRGB:
1012 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppRGB);
1013 case PixelFormat32bppARGB:
1014 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppARGB);
1015 case PixelFormat32bppPARGB:
1016 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppPARGB);
1017 case PixelFormat48bppRGB:
1018 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_48bppRGB);
1019 case PixelFormat64bppARGB:
1020 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_64bppARGB);
1021 default:
1022 break;
1023 }
1024 break;
1025 default:
1026 break;
1027 }
1028
1029 #undef convert_indexed_to_rgb
1030 #undef convert_rgb_to_rgb
1031
1032 return NotImplemented;
1033 }
1034
1035 /* This function returns a pointer to an array of pixels that represents the
1036 * bitmap. The *entire* bitmap is locked according to the lock mode specified by
1037 * flags. It is correct behavior that a user who calls this function with write
1038 * privileges can write to the whole bitmap (not just the area in rect).
1039 *
1040 * FIXME: only used portion of format is bits per pixel. */
1041 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
1042 UINT flags, PixelFormat format, BitmapData* lockeddata)
1043 {
1044 INT bitspp = PIXELFORMATBPP(format);
1045 GpRect act_rect; /* actual rect to be used */
1046 GpStatus stat;
1047
1048 TRACE("%p %p %d 0x%x %p\n", bitmap, rect, flags, format, lockeddata);
1049
1050 if(!lockeddata || !bitmap)
1051 return InvalidParameter;
1052
1053 if(rect){
1054 if(rect->X < 0 || rect->Y < 0 || (rect->X + rect->Width > bitmap->width) ||
1055 (rect->Y + rect->Height > bitmap->height) || !flags)
1056 return InvalidParameter;
1057
1058 act_rect = *rect;
1059 }
1060 else{
1061 act_rect.X = act_rect.Y = 0;
1062 act_rect.Width = bitmap->width;
1063 act_rect.Height = bitmap->height;
1064 }
1065
1066 if(bitmap->lockmode)
1067 {
1068 WARN("bitmap is already locked and cannot be locked again\n");
1069 return WrongState;
1070 }
1071
1072 if (bitmap->bits && bitmap->format == format && !(flags & ImageLockModeUserInputBuf))
1073 {
1074 /* no conversion is necessary; just use the bits directly */
1075 lockeddata->Width = act_rect.Width;
1076 lockeddata->Height = act_rect.Height;
1077 lockeddata->PixelFormat = format;
1078 lockeddata->Reserved = flags;
1079 lockeddata->Stride = bitmap->stride;
1080 lockeddata->Scan0 = bitmap->bits + (bitspp / 8) * act_rect.X +
1081 bitmap->stride * act_rect.Y;
1082
1083 bitmap->lockmode = flags | ImageLockModeRead;
1084 bitmap->numlocks++;
1085
1086 return Ok;
1087 }
1088
1089 /* Make sure we can convert to the requested format. */
1090 if (flags & ImageLockModeRead)
1091 {
1092 stat = convert_pixels(0, 0, 0, NULL, format, 0, NULL, bitmap->format, NULL);
1093 if (stat == NotImplemented)
1094 {
1095 FIXME("cannot read bitmap from %x to %x\n", bitmap->format, format);
1096 return NotImplemented;
1097 }
1098 }
1099
1100 /* If we're opening for writing, make sure we'll be able to write back in
1101 * the original format. */
1102 if (flags & ImageLockModeWrite)
1103 {
1104 stat = convert_pixels(0, 0, 0, NULL, bitmap->format, 0, NULL, format, NULL);
1105 if (stat == NotImplemented)
1106 {
1107 FIXME("cannot write bitmap from %x to %x\n", format, bitmap->format);
1108 return NotImplemented;
1109 }
1110 }
1111
1112 lockeddata->Width = act_rect.Width;
1113 lockeddata->Height = act_rect.Height;
1114 lockeddata->PixelFormat = format;
1115 lockeddata->Reserved = flags;
1116
1117 if(!(flags & ImageLockModeUserInputBuf))
1118 {
1119 lockeddata->Stride = (((act_rect.Width * bitspp + 7) / 8) + 3) & ~3;
1120
1121 bitmap->bitmapbits = GdipAlloc(lockeddata->Stride * act_rect.Height);
1122
1123 if (!bitmap->bitmapbits) return OutOfMemory;
1124
1125 lockeddata->Scan0 = bitmap->bitmapbits;
1126 }
1127
1128 if (flags & ImageLockModeRead)
1129 {
1130 static int fixme=0;
1131
1132 if (!fixme && (PIXELFORMATBPP(bitmap->format) * act_rect.X) % 8 != 0)
1133 {
1134 FIXME("Cannot copy rows that don't start at a whole byte.\n");
1135 fixme = 1;
1136 }
1137
1138 stat = convert_pixels(act_rect.Width, act_rect.Height,
1139 lockeddata->Stride, lockeddata->Scan0, format,
1140 bitmap->stride,
1141 bitmap->bits + bitmap->stride * act_rect.Y + PIXELFORMATBPP(bitmap->format) * act_rect.X / 8,
1142 bitmap->format, bitmap->image.palette);
1143
1144 if (stat != Ok)
1145 {
1146 GdipFree(bitmap->bitmapbits);
1147 bitmap->bitmapbits = NULL;
1148 return stat;
1149 }
1150 }
1151
1152 bitmap->lockmode = flags | ImageLockModeRead;
1153 bitmap->numlocks++;
1154 bitmap->lockx = act_rect.X;
1155 bitmap->locky = act_rect.Y;
1156
1157 return Ok;
1158 }
1159
1160 GpStatus WINGDIPAPI GdipBitmapSetResolution(GpBitmap* bitmap, REAL xdpi, REAL ydpi)
1161 {
1162 TRACE("(%p, %.2f, %.2f)\n", bitmap, xdpi, ydpi);
1163
1164 if (!bitmap || xdpi == 0.0 || ydpi == 0.0)
1165 return InvalidParameter;
1166
1167 bitmap->image.xres = xdpi;
1168 bitmap->image.yres = ydpi;
1169
1170 return Ok;
1171 }
1172
1173 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
1174 BitmapData* lockeddata)
1175 {
1176 GpStatus stat;
1177 static int fixme=0;
1178
1179 TRACE("(%p,%p)\n", bitmap, lockeddata);
1180
1181 if(!bitmap || !lockeddata)
1182 return InvalidParameter;
1183
1184 if(!bitmap->lockmode)
1185 return WrongState;
1186
1187 if(!(lockeddata->Reserved & ImageLockModeWrite)){
1188 if(!(--bitmap->numlocks))
1189 bitmap->lockmode = 0;
1190
1191 GdipFree(bitmap->bitmapbits);
1192 bitmap->bitmapbits = NULL;
1193 return Ok;
1194 }
1195
1196 if (!bitmap->bitmapbits && !(lockeddata->Reserved & ImageLockModeUserInputBuf))
1197 {
1198 /* we passed a direct reference; no need to do anything */
1199 bitmap->lockmode = 0;
1200 bitmap->numlocks = 0;
1201 return Ok;
1202 }
1203
1204 if (!fixme && (PIXELFORMATBPP(bitmap->format) * bitmap->lockx) % 8 != 0)
1205 {
1206 FIXME("Cannot copy rows that don't start at a whole byte.\n");
1207 fixme = 1;
1208 }
1209
1210 stat = convert_pixels(lockeddata->Width, lockeddata->Height,
1211 bitmap->stride,
1212 bitmap->bits + bitmap->stride * bitmap->locky + PIXELFORMATBPP(bitmap->format) * bitmap->lockx / 8,
1213 bitmap->format,
1214 lockeddata->Stride, lockeddata->Scan0, lockeddata->PixelFormat, NULL);
1215
1216 if (stat != Ok)
1217 {
1218 ERR("failed to convert pixels; this should never happen\n");
1219 }
1220
1221 GdipFree(bitmap->bitmapbits);
1222 bitmap->bitmapbits = NULL;
1223 bitmap->lockmode = 0;
1224 bitmap->numlocks = 0;
1225
1226 return stat;
1227 }
1228
1229 GpStatus WINGDIPAPI GdipCloneBitmapArea(REAL x, REAL y, REAL width, REAL height,
1230 PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
1231 {
1232 BitmapData lockeddata_src, lockeddata_dst;
1233 int i;
1234 UINT row_size;
1235 Rect area;
1236 GpStatus stat;
1237
1238 TRACE("(%f,%f,%f,%f,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
1239
1240 if (!srcBitmap || !dstBitmap || srcBitmap->image.type != ImageTypeBitmap ||
1241 x < 0 || y < 0 ||
1242 x + width > srcBitmap->width || y + height > srcBitmap->height)
1243 {
1244 TRACE("<-- InvalidParameter\n");
1245 return InvalidParameter;
1246 }
1247
1248 if (format == PixelFormatDontCare)
1249 format = srcBitmap->format;
1250
1251 area.X = gdip_round(x);
1252 area.Y = gdip_round(y);
1253 area.Width = gdip_round(width);
1254 area.Height = gdip_round(height);
1255
1256 stat = GdipBitmapLockBits(srcBitmap, &area, ImageLockModeRead, format,
1257 &lockeddata_src);
1258 if (stat != Ok) return stat;
1259
1260 stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
1261 0, lockeddata_src.PixelFormat, NULL, dstBitmap);
1262 if (stat == Ok)
1263 {
1264 stat = GdipBitmapLockBits(*dstBitmap, NULL, ImageLockModeWrite,
1265 lockeddata_src.PixelFormat, &lockeddata_dst);
1266
1267 if (stat == Ok)
1268 {
1269 /* copy the image data */
1270 row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
1271 for (i=0; i<lockeddata_src.Height; i++)
1272 memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
1273 (BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
1274 row_size);
1275
1276 GdipBitmapUnlockBits(*dstBitmap, &lockeddata_dst);
1277 }
1278
1279 if (stat != Ok)
1280 GdipDisposeImage((GpImage*)*dstBitmap);
1281 }
1282
1283 GdipBitmapUnlockBits(srcBitmap, &lockeddata_src);
1284
1285 if (stat != Ok)
1286 {
1287 *dstBitmap = NULL;
1288 }
1289
1290 return stat;
1291 }
1292
1293 GpStatus WINGDIPAPI GdipCloneBitmapAreaI(INT x, INT y, INT width, INT height,
1294 PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
1295 {
1296 TRACE("(%i,%i,%i,%i,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
1297
1298 return GdipCloneBitmapArea(x, y, width, height, format, srcBitmap, dstBitmap);
1299 }
1300
1301 GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
1302 {
1303 GpStatus stat = GenericError;
1304
1305 TRACE("%p, %p\n", image, cloneImage);
1306
1307 if (!image || !cloneImage)
1308 return InvalidParameter;
1309
1310 if (image->picture)
1311 {
1312 IStream* stream;
1313 HRESULT hr;
1314 INT size;
1315 LARGE_INTEGER move;
1316
1317 hr = CreateStreamOnHGlobal(0, TRUE, &stream);
1318 if (FAILED(hr))
1319 return GenericError;
1320
1321 hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
1322 if(FAILED(hr))
1323 {
1324 WARN("Failed to save image on stream\n");
1325 goto out;
1326 }
1327
1328 /* Set seek pointer back to the beginning of the picture */
1329 move.QuadPart = 0;
1330 hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL);
1331 if (FAILED(hr))
1332 goto out;
1333
1334 stat = GdipLoadImageFromStream(stream, cloneImage);
1335 if (stat != Ok) WARN("Failed to load image from stream\n");
1336
1337 out:
1338 IStream_Release(stream);
1339 return stat;
1340 }
1341 else if (image->type == ImageTypeBitmap)
1342 {
1343 GpBitmap *bitmap = (GpBitmap*)image;
1344 BitmapData lockeddata_src, lockeddata_dst;
1345 int i;
1346 UINT row_size;
1347
1348 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format,
1349 &lockeddata_src);
1350 if (stat != Ok) return stat;
1351
1352 stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
1353 0, lockeddata_src.PixelFormat, NULL, (GpBitmap**)cloneImage);
1354 if (stat == Ok)
1355 {
1356 stat = GdipBitmapLockBits((GpBitmap*)*cloneImage, NULL, ImageLockModeWrite,
1357 lockeddata_src.PixelFormat, &lockeddata_dst);
1358
1359 if (stat == Ok)
1360 {
1361 /* copy the image data */
1362 row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
1363 for (i=0; i<lockeddata_src.Height; i++)
1364 memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
1365 (BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
1366 row_size);
1367
1368 GdipBitmapUnlockBits((GpBitmap*)*cloneImage, &lockeddata_dst);
1369 }
1370
1371 if (stat != Ok)
1372 GdipDisposeImage(*cloneImage);
1373 }
1374
1375 GdipBitmapUnlockBits(bitmap, &lockeddata_src);
1376
1377 if (stat != Ok)
1378 {
1379 *cloneImage = NULL;
1380 }
1381 else memcpy(&(*cloneImage)->format, &image->format, sizeof(GUID));
1382
1383 return stat;
1384 }
1385 else
1386 {
1387 ERR("GpImage with no IPicture or bitmap?!\n");
1388 return NotImplemented;
1389 }
1390 }
1391
1392 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
1393 GpBitmap **bitmap)
1394 {
1395 GpStatus stat;
1396 IStream *stream;
1397
1398 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
1399
1400 if(!filename || !bitmap)
1401 return InvalidParameter;
1402
1403 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
1404
1405 if(stat != Ok)
1406 return stat;
1407
1408 stat = GdipCreateBitmapFromStream(stream, bitmap);
1409
1410 IStream_Release(stream);
1411
1412 return stat;
1413 }
1414
1415 GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
1416 VOID *bits, GpBitmap **bitmap)
1417 {
1418 DWORD height, stride;
1419 PixelFormat format;
1420
1421 FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
1422
1423 if (!info || !bits || !bitmap)
1424 return InvalidParameter;
1425
1426 height = abs(info->bmiHeader.biHeight);
1427 stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
1428
1429 if(info->bmiHeader.biHeight > 0) /* bottom-up */
1430 {
1431 bits = (BYTE*)bits + (height - 1) * stride;
1432 stride = -stride;
1433 }
1434
1435 switch(info->bmiHeader.biBitCount) {
1436 case 1:
1437 format = PixelFormat1bppIndexed;
1438 break;
1439 case 4:
1440 format = PixelFormat4bppIndexed;
1441 break;
1442 case 8:
1443 format = PixelFormat8bppIndexed;
1444 break;
1445 case 16:
1446 format = PixelFormat16bppRGB555;
1447 break;
1448 case 24:
1449 format = PixelFormat24bppRGB;
1450 break;
1451 case 32:
1452 format = PixelFormat32bppRGB;
1453 break;
1454 default:
1455 FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
1456 *bitmap = NULL;
1457 return InvalidParameter;
1458 }
1459
1460 return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
1461 bits, bitmap);
1462
1463 }
1464
1465 /* FIXME: no icm */
1466 GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
1467 GpBitmap **bitmap)
1468 {
1469 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
1470
1471 return GdipCreateBitmapFromFile(filename, bitmap);
1472 }
1473
1474 GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
1475 GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
1476 {
1477 HBITMAP hbm;
1478 GpStatus stat = InvalidParameter;
1479
1480 TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
1481
1482 if(!lpBitmapName || !bitmap)
1483 return InvalidParameter;
1484
1485 /* load DIB */
1486 hbm = LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0,
1487 LR_CREATEDIBSECTION);
1488
1489 if(hbm){
1490 stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
1491 DeleteObject(hbm);
1492 }
1493
1494 return stat;
1495 }
1496
1497 GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
1498 HBITMAP* hbmReturn, ARGB background)
1499 {
1500 GpStatus stat;
1501 HBITMAP result;
1502 UINT width, height;
1503 BITMAPINFOHEADER bih;
1504 LPBYTE bits;
1505 BitmapData lockeddata;
1506 TRACE("(%p,%p,%x)\n", bitmap, hbmReturn, background);
1507
1508 if (!bitmap || !hbmReturn) return InvalidParameter;
1509
1510 GdipGetImageWidth((GpImage*)bitmap, &width);
1511 GdipGetImageHeight((GpImage*)bitmap, &height);
1512
1513 bih.biSize = sizeof(bih);
1514 bih.biWidth = width;
1515 bih.biHeight = height;
1516 bih.biPlanes = 1;
1517 bih.biBitCount = 32;
1518 bih.biCompression = BI_RGB;
1519 bih.biSizeImage = 0;
1520 bih.biXPelsPerMeter = 0;
1521 bih.biYPelsPerMeter = 0;
1522 bih.biClrUsed = 0;
1523 bih.biClrImportant = 0;
1524
1525 result = CreateDIBSection(0, (BITMAPINFO*)&bih, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
1526
1527 if (result)
1528 {
1529 lockeddata.Stride = -width * 4;
1530 lockeddata.Scan0 = bits + (width * 4 * (height - 1));
1531
1532 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead|ImageLockModeUserInputBuf,
1533 PixelFormat32bppPARGB, &lockeddata);
1534
1535 if (stat == Ok)
1536 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
1537 }
1538 else
1539 stat = GenericError;
1540
1541 if (stat != Ok && result)
1542 {
1543 DeleteObject(result);
1544 result = NULL;
1545 }
1546
1547 *hbmReturn = result;
1548
1549 return stat;
1550 }
1551
1552 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
1553 GpMetafile* metafile, BOOL* succ, EmfType emfType,
1554 const WCHAR* description, GpMetafile** out_metafile)
1555 {
1556 static int calls;
1557
1558 TRACE("(%p,%p,%p,%u,%s,%p)\n", ref, metafile, succ, emfType,
1559 debugstr_w(description), out_metafile);
1560
1561 if(!ref || !metafile || !out_metafile)
1562 return InvalidParameter;
1563
1564 *succ = FALSE;
1565 *out_metafile = NULL;
1566
1567 if(!(calls++))
1568 FIXME("not implemented\n");
1569
1570 return NotImplemented;
1571 }
1572
1573 /* FIXME: this should create a bitmap in the given size with the attributes
1574 * (resolution etc.) of the graphics object */
1575 GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
1576 GpGraphics* target, GpBitmap** bitmap)
1577 {
1578 static int calls;
1579 GpStatus ret;
1580
1581 TRACE("(%d, %d, %p, %p)\n", width, height, target, bitmap);
1582
1583 if(!target || !bitmap)
1584 return InvalidParameter;
1585
1586 if(!(calls++))
1587 FIXME("hacked stub\n");
1588
1589 ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
1590 NULL, bitmap);
1591
1592 return ret;
1593 }
1594
1595 GpStatus WINGDIPAPI GdipCreateBitmapFromHICON(HICON hicon, GpBitmap** bitmap)
1596 {
1597 GpStatus stat;
1598 ICONINFO iinfo;
1599 BITMAP bm;
1600 int ret;
1601 UINT width, height;
1602 GpRect rect;
1603 BitmapData lockeddata;
1604 HDC screendc;
1605 BOOL has_alpha;
1606 int x, y;
1607 BYTE *bits;
1608 BITMAPINFOHEADER bih;
1609 DWORD *src;
1610 BYTE *dst_row;
1611 DWORD *dst;
1612
1613 TRACE("%p, %p\n", hicon, bitmap);
1614
1615 if(!bitmap || !GetIconInfo(hicon, &iinfo))
1616 return InvalidParameter;
1617
1618 /* get the size of the icon */
1619 ret = GetObjectA(iinfo.hbmColor ? iinfo.hbmColor : iinfo.hbmMask, sizeof(bm), &bm);
1620 if (ret == 0) {
1621 DeleteObject(iinfo.hbmColor);
1622 DeleteObject(iinfo.hbmMask);
1623 return GenericError;
1624 }
1625
1626 width = bm.bmWidth;
1627
1628 if (iinfo.hbmColor)
1629 height = abs(bm.bmHeight);
1630 else /* combined bitmap + mask */
1631 height = abs(bm.bmHeight) / 2;
1632
1633 bits = HeapAlloc(GetProcessHeap(), 0, 4*width*height);
1634 if (!bits) {
1635 DeleteObject(iinfo.hbmColor);
1636 DeleteObject(iinfo.hbmMask);
1637 return OutOfMemory;
1638 }
1639
1640 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB, NULL, bitmap);
1641 if (stat != Ok) {
1642 DeleteObject(iinfo.hbmColor);
1643 DeleteObject(iinfo.hbmMask);
1644 HeapFree(GetProcessHeap(), 0, bits);
1645 return stat;
1646 }
1647
1648 rect.X = 0;
1649 rect.Y = 0;
1650 rect.Width = width;
1651 rect.Height = height;
1652
1653 stat = GdipBitmapLockBits(*bitmap, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &lockeddata);
1654 if (stat != Ok) {
1655 DeleteObject(iinfo.hbmColor);
1656 DeleteObject(iinfo.hbmMask);
1657 HeapFree(GetProcessHeap(), 0, bits);
1658 GdipDisposeImage((GpImage*)*bitmap);
1659 return stat;
1660 }
1661
1662 bih.biSize = sizeof(bih);
1663 bih.biWidth = width;
1664 bih.biHeight = -height;
1665 bih.biPlanes = 1;
1666 bih.biBitCount = 32;
1667 bih.biCompression = BI_RGB;
1668 bih.biSizeImage = 0;
1669 bih.biXPelsPerMeter = 0;
1670 bih.biYPelsPerMeter = 0;
1671 bih.biClrUsed = 0;
1672 bih.biClrImportant = 0;
1673
1674 screendc = GetDC(0);
1675 if (iinfo.hbmColor)
1676 {
1677 GetDIBits(screendc, iinfo.hbmColor, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1678
1679 if (bm.bmBitsPixel == 32)
1680 {
1681 has_alpha = FALSE;
1682
1683 /* If any pixel has a non-zero alpha, ignore hbmMask */
1684 src = (DWORD*)bits;
1685 for (x=0; x<width && !has_alpha; x++)
1686 for (y=0; y<height && !has_alpha; y++)
1687 if ((*src++ & 0xff000000) != 0)
1688 has_alpha = TRUE;
1689 }
1690 else has_alpha = FALSE;
1691 }
1692 else
1693 {
1694 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1695 has_alpha = FALSE;
1696 }
1697
1698 /* copy the image data to the Bitmap */
1699 src = (DWORD*)bits;
1700 dst_row = lockeddata.Scan0;
1701 for (y=0; y<height; y++)
1702 {
1703 memcpy(dst_row, src, width*4);
1704 src += width;
1705 dst_row += lockeddata.Stride;
1706 }
1707
1708 if (!has_alpha)
1709 {
1710 if (iinfo.hbmMask)
1711 {
1712 /* read alpha data from the mask */
1713 if (iinfo.hbmColor)
1714 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1715 else
1716 GetDIBits(screendc, iinfo.hbmMask, height, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1717
1718 src = (DWORD*)bits;
1719 dst_row = lockeddata.Scan0;
1720 for (y=0; y<height; y++)
1721 {
1722 dst = (DWORD*)dst_row;
1723 for (x=0; x<height; x++)
1724 {
1725 DWORD src_value = *src++;
1726 if (src_value)
1727 *dst++ = 0;
1728 else
1729 *dst++ |= 0xff000000;
1730 }
1731 dst_row += lockeddata.Stride;
1732 }
1733 }
1734 else
1735 {
1736 /* set constant alpha of 255 */
1737 dst_row = bits;
1738 for (y=0; y<height; y++)
1739 {
1740 dst = (DWORD*)dst_row;
1741 for (x=0; x<height; x++)
1742 *dst++ |= 0xff000000;
1743 dst_row += lockeddata.Stride;
1744 }
1745 }
1746 }
1747
1748 ReleaseDC(0, screendc);
1749
1750 DeleteObject(iinfo.hbmColor);
1751 DeleteObject(iinfo.hbmMask);
1752
1753 GdipBitmapUnlockBits(*bitmap, &lockeddata);
1754
1755 HeapFree(GetProcessHeap(), 0, bits);
1756
1757 return Ok;
1758 }
1759
1760 static void generate_halftone_palette(ARGB *entries, UINT count)
1761 {
1762 static const BYTE halftone_values[6]={0x00,0x33,0x66,0x99,0xcc,0xff};
1763 UINT i;
1764
1765 for (i=0; i<8 && i<count; i++)
1766 {
1767 entries[i] = 0xff000000;
1768 if (i&1) entries[i] |= 0x800000;
1769 if (i&2) entries[i] |= 0x8000;
1770 if (i&4) entries[i] |= 0x80;
1771 }
1772
1773 if (8 < count)
1774 entries[i] = 0xffc0c0c0;
1775
1776 for (i=9; i<16 && i<count; i++)
1777 {
1778 entries[i] = 0xff000000;
1779 if (i&1) entries[i] |= 0xff0000;
1780 if (i&2) entries[i] |= 0xff00;
1781 if (i&4) entries[i] |= 0xff;
1782 }
1783
1784 for (i=16; i<40 && i<count; i++)
1785 {
1786 entries[i] = 0;
1787 }
1788
1789 for (i=40; i<256 && i<count; i++)
1790 {
1791 entries[i] = 0xff000000;
1792 entries[i] |= halftone_values[(i-40)%6];
1793 entries[i] |= halftone_values[((i-40)/6)%6] << 8;
1794 entries[i] |= halftone_values[((i-40)/36)%6] << 16;
1795 }
1796 }
1797
1798 static GpStatus get_screen_resolution(REAL *xres, REAL *yres)
1799 {
1800 HDC screendc = GetDC(0);
1801
1802 if (!screendc) return GenericError;
1803
1804 *xres = (REAL)GetDeviceCaps(screendc, LOGPIXELSX);
1805 *yres = (REAL)GetDeviceCaps(screendc, LOGPIXELSY);
1806
1807 ReleaseDC(0, screendc);
1808
1809 return Ok;
1810 }
1811
1812 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
1813 PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
1814 {
1815 BITMAPINFO* pbmi;
1816 HBITMAP hbitmap=NULL;
1817 INT row_size, dib_stride;
1818 BYTE *bits=NULL, *own_bits=NULL;
1819 REAL xres, yres;
1820 GpStatus stat;
1821
1822 TRACE("%d %d %d 0x%x %p %p\n", width, height, stride, format, scan0, bitmap);
1823
1824 if (!bitmap) return InvalidParameter;
1825
1826 if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
1827 *bitmap = NULL;
1828 return InvalidParameter;
1829 }
1830
1831 if(scan0 && !stride)
1832 return InvalidParameter;
1833
1834 stat = get_screen_resolution(&xres, &yres);
1835 if (stat != Ok) return stat;
1836
1837 row_size = (width * PIXELFORMATBPP(format)+7) / 8;
1838 dib_stride = (row_size + 3) & ~3;
1839
1840 if(stride == 0)
1841 stride = dib_stride;
1842
1843 if (format & PixelFormatGDI && !(format & (PixelFormatAlpha|PixelFormatIndexed)) && !scan0)
1844 {
1845 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1846 if (!pbmi)
1847 return OutOfMemory;
1848
1849 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1850 pbmi->bmiHeader.biWidth = width;
1851 pbmi->bmiHeader.biHeight = -height;
1852 pbmi->bmiHeader.biPlanes = 1;
1853 /* FIXME: use the rest of the data from format */
1854 pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(format);
1855 pbmi->bmiHeader.biCompression = BI_RGB;
1856 pbmi->bmiHeader.biSizeImage = 0;
1857 pbmi->bmiHeader.biXPelsPerMeter = 0;
1858 pbmi->bmiHeader.biYPelsPerMeter = 0;
1859 pbmi->bmiHeader.biClrUsed = 0;
1860 pbmi->bmiHeader.biClrImportant = 0;
1861
1862 hbitmap = CreateDIBSection(0, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
1863
1864 GdipFree(pbmi);
1865
1866 if (!hbitmap) return GenericError;
1867
1868 stride = dib_stride;
1869 }
1870 else
1871 {
1872 /* Not a GDI format; don't try to make an HBITMAP. */
1873 if (scan0)
1874 bits = scan0;
1875 else
1876 {
1877 INT size = abs(stride) * height;
1878
1879 own_bits = bits = GdipAlloc(size);
1880 if (!own_bits) return OutOfMemory;
1881
1882 if (stride < 0)
1883 bits += stride * (1 - height);
1884 }
1885 }
1886
1887 *bitmap = GdipAlloc(sizeof(GpBitmap));
1888 if(!*bitmap)
1889 {
1890 DeleteObject(hbitmap);
1891 GdipFree(own_bits);
1892 return OutOfMemory;
1893 }
1894
1895 (*bitmap)->image.type = ImageTypeBitmap;
1896 memcpy(&(*bitmap)->image.format, &ImageFormatMemoryBMP, sizeof(GUID));
1897 (*bitmap)->image.flags = ImageFlagsNone;
1898 (*bitmap)->image.frame_count = 1;
1899 (*bitmap)->image.current_frame = 0;
1900 (*bitmap)->image.palette = NULL;
1901 (*bitmap)->image.xres = xres;
1902 (*bitmap)->image.yres = yres;
1903 (*bitmap)->width = width;
1904 (*bitmap)->height = height;
1905 (*bitmap)->format = format;
1906 (*bitmap)->image.picture = NULL;
1907 (*bitmap)->image.stream = NULL;
1908 (*bitmap)->hbitmap = hbitmap;
1909 (*bitmap)->hdc = NULL;
1910 (*bitmap)->bits = bits;
1911 (*bitmap)->stride = stride;
1912 (*bitmap)->own_bits = own_bits;
1913 (*bitmap)->metadata_reader = NULL;
1914 (*bitmap)->prop_count = 0;
1915 (*bitmap)->prop_item = NULL;
1916
1917 /* set format-related flags */
1918 if (format & (PixelFormatAlpha|PixelFormatPAlpha|PixelFormatIndexed))
1919 (*bitmap)->image.flags |= ImageFlagsHasAlpha;
1920
1921 if (format == PixelFormat1bppIndexed ||
1922 format == PixelFormat4bppIndexed ||
1923 format == PixelFormat8bppIndexed)
1924 {
1925 (*bitmap)->image.palette = GdipAlloc(sizeof(UINT) * 2 + sizeof(ARGB) * (1 << PIXELFORMATBPP(format)));
1926
1927 if (!(*bitmap)->image.palette)
1928 {
1929 GdipDisposeImage(&(*bitmap)->image);
1930 *bitmap = NULL;
1931 return OutOfMemory;
1932 }
1933
1934 (*bitmap)->image.palette->Count = 1 << PIXELFORMATBPP(format);
1935
1936 if (format == PixelFormat1bppIndexed)
1937 {
1938 (*bitmap)->image.palette->Flags = PaletteFlagsGrayScale;
1939 (*bitmap)->image.palette->Entries[0] = 0xff000000;
1940 (*bitmap)->image.palette->Entries[1] = 0xffffffff;
1941 }
1942 else
1943 {
1944 if (format == PixelFormat8bppIndexed)
1945 (*bitmap)->image.palette->Flags = PaletteFlagsHalftone;
1946
1947 generate_halftone_palette((*bitmap)->image.palette->Entries,
1948 (*bitmap)->image.palette->Count);
1949 }
1950 }
1951
1952 TRACE("<-- %p\n", *bitmap);
1953
1954 return Ok;
1955 }
1956
1957 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
1958 GpBitmap **bitmap)
1959 {
1960 GpStatus stat;
1961
1962 TRACE("%p %p\n", stream, bitmap);
1963
1964 stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
1965
1966 if(stat != Ok)
1967 return stat;
1968
1969 if((*bitmap)->image.type != ImageTypeBitmap){
1970 GdipDisposeImage(&(*bitmap)->image);
1971 *bitmap = NULL;
1972 return GenericError; /* FIXME: what error to return? */
1973 }
1974
1975 return Ok;
1976 }
1977
1978 /* FIXME: no icm */
1979 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
1980 GpBitmap **bitmap)
1981 {
1982 TRACE("%p %p\n", stream, bitmap);
1983
1984 return GdipCreateBitmapFromStream(stream, bitmap);
1985 }
1986
1987 GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
1988 GpCachedBitmap **cachedbmp)
1989 {
1990 GpStatus stat;
1991
1992 TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
1993
1994 if(!bitmap || !graphics || !cachedbmp)
1995 return InvalidParameter;
1996
1997 *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
1998 if(!*cachedbmp)
1999 return OutOfMemory;
2000
2001 stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
2002 if(stat != Ok){
2003 GdipFree(*cachedbmp);
2004 return stat;
2005 }
2006
2007 return Ok;
2008 }
2009
2010 GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon)
2011 {
2012 GpStatus stat;
2013 BitmapData lockeddata;
2014 ULONG andstride, xorstride, bitssize;
2015 LPBYTE andbits, xorbits, androw, xorrow, srcrow;
2016 UINT x, y;
2017
2018 TRACE("(%p, %p)\n", bitmap, hicon);
2019
2020 if (!bitmap || !hicon)
2021 return InvalidParameter;
2022
2023 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead,
2024 PixelFormat32bppPARGB, &lockeddata);
2025 if (stat == Ok)
2026 {
2027 andstride = ((lockeddata.Width+31)/32)*4;
2028 xorstride = lockeddata.Width*4;
2029 bitssize = (andstride + xorstride) * lockeddata.Height;
2030
2031 andbits = GdipAlloc(bitssize);
2032
2033 if (andbits)
2034 {
2035 xorbits = andbits + andstride * lockeddata.Height;
2036
2037 for (y=0; y<lockeddata.Height; y++)
2038 {
2039 srcrow = ((LPBYTE)lockeddata.Scan0) + lockeddata.Stride * y;
2040
2041 androw = andbits + andstride * y;
2042 for (x=0; x<lockeddata.Width; x++)
2043 if (srcrow[3+4*x] >= 128)
2044 androw[x/8] |= 1 << (7-x%8);
2045
2046 xorrow = xorbits + xorstride * y;
2047 memcpy(xorrow, srcrow, xorstride);
2048 }
2049
2050 *hicon = CreateIcon(NULL, lockeddata.Width, lockeddata.Height, 1, 32,
2051 andbits, xorbits);
2052
2053 GdipFree(andbits);
2054 }
2055 else
2056 stat = OutOfMemory;
2057
2058 GdipBitmapUnlockBits(bitmap, &lockeddata);
2059 }
2060
2061 return stat;
2062 }
2063
2064 GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
2065 {
2066 TRACE("%p\n", cachedbmp);
2067
2068 if(!cachedbmp)
2069 return InvalidParameter;
2070
2071 GdipDisposeImage(cachedbmp->image);
2072 GdipFree(cachedbmp);
2073
2074 return Ok;
2075 }
2076
2077 GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
2078 GpCachedBitmap *cachedbmp, INT x, INT y)
2079 {
2080 TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
2081
2082 if(!graphics || !cachedbmp)
2083 return InvalidParameter;
2084
2085 return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
2086 }
2087
2088 GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16,
2089 LPBYTE pData16, INT iMapMode, INT eFlags)
2090 {
2091 FIXME("(%p, %d, %p, %d, %d): stub\n", hemf, cbData16, pData16, iMapMode, eFlags);
2092 return NotImplemented;
2093 }
2094
2095 /* Internal utility function: Replace the image data of dst with that of src,
2096 * and free src. */
2097 static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
2098 {
2099 assert(src->image.type == ImageTypeBitmap);
2100 assert(dst->image.type == ImageTypeBitmap);
2101
2102 GdipFree(dst->bitmapbits);
2103 GdipFree(dst->own_bits);
2104 DeleteDC(dst->hdc);
2105 DeleteObject(dst->hbitmap);
2106
2107 if (clobber_palette)
2108 {
2109 GdipFree(dst->image.palette);
2110 dst->image.palette = src->image.palette;
2111 }
2112 else
2113 GdipFree(src->image.palette);
2114
2115 dst->image.xres = src->image.xres;
2116 dst->image.yres = src->image.yres;
2117 dst->width = src->width;
2118 dst->height = src->height;
2119 dst->format = src->format;
2120 dst->hbitmap = src->hbitmap;
2121 dst->hdc = src->hdc;
2122 dst->bits = src->bits;
2123 dst->stride = src->stride;
2124 dst->own_bits = src->own_bits;
2125 if (dst->metadata_reader)
2126 IWICMetadataReader_Release(dst->metadata_reader);
2127 dst->metadata_reader = src->metadata_reader;
2128 GdipFree(dst->prop_item);
2129 dst->prop_item = src->prop_item;
2130 dst->prop_count = src->prop_count;
2131 if (dst->image.stream)
2132 IStream_Release(dst->image.stream);
2133 dst->image.stream = src->image.stream;
2134 dst->image.frame_count = src->image.frame_count;
2135 dst->image.current_frame = src->image.current_frame;
2136 dst->image.format = src->image.format;
2137
2138 src->image.type = ~0;
2139 GdipFree(src);
2140 }
2141
2142 static GpStatus free_image_data(GpImage *image)
2143 {
2144 if(!image)
2145 return InvalidParameter;
2146
2147 if (image->type == ImageTypeBitmap)
2148 {
2149 GdipFree(((GpBitmap*)image)->bitmapbits);
2150 GdipFree(((GpBitmap*)image)->own_bits);
2151 DeleteDC(((GpBitmap*)image)->hdc);
2152 DeleteObject(((GpBitmap*)image)->hbitmap);
2153 if (((GpBitmap*)image)->metadata_reader)
2154 IWICMetadataReader_Release(((GpBitmap*)image)->metadata_reader);
2155 GdipFree(((GpBitmap*)image)->prop_item);
2156 }
2157 else if (image->type == ImageTypeMetafile)
2158 {
2159 GpMetafile *metafile = (GpMetafile*)image;
2160 GdipFree(metafile->comment_data);
2161 DeleteEnhMetaFile(CloseEnhMetaFile(metafile->record_dc));
2162 DeleteEnhMetaFile(metafile->hemf);
2163 if (metafile->record_graphics)
2164 {
2165 WARN("metafile closed while recording\n");
2166 /* not sure what to do here; for now just prevent the graphics from functioning or using this object */
2167 metafile->record_graphics->image = NULL;
2168 metafile->record_graphics->busy = TRUE;
2169 }
2170 }
2171 else
2172 {
2173 WARN("invalid image: %p\n", image);
2174 return ObjectBusy;
2175 }
2176 if (image->picture)
2177 IPicture_Release(image->picture);
2178 if (image->stream)
2179 IStream_Release(image->stream);
2180 GdipFree(image->palette);
2181
2182 return Ok;
2183 }
2184
2185 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
2186 {
2187 GpStatus status;
2188
2189 TRACE("%p\n", image);
2190
2191 status = free_image_data(image);
2192 if (status != Ok) return status;
2193 image->type = ~0;
2194 GdipFree(image);
2195
2196 return Ok;
2197 }
2198
2199 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
2200 {
2201 static int calls;
2202
2203 TRACE("(%p,%p)\n", image, item);
2204
2205 if(!image || !item)
2206 return InvalidParameter;
2207
2208 if (!(calls++))
2209 FIXME("not implemented\n");
2210
2211 return NotImplemented;
2212 }
2213
2214 GpStatus WINGDIPAPI GdipGetImageItemData(GpImage *image, ImageItemData *item)
2215 {
2216 static int calls;
2217
2218 TRACE("(%p,%p)\n", image, item);
2219
2220 if (!(calls++))
2221 FIXME("not implemented\n");
2222
2223 return NotImplemented;
2224 }
2225
2226 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
2227 GpUnit *srcUnit)
2228 {
2229 TRACE("%p %p %p\n", image, srcRect, srcUnit);
2230
2231 if(!image || !srcRect || !srcUnit)
2232 return InvalidParameter;
2233 if(image->type == ImageTypeMetafile){
2234 *srcRect = ((GpMetafile*)image)->bounds;
2235 *srcUnit = ((GpMetafile*)image)->unit;
2236 }
2237 else if(image->type == ImageTypeBitmap){
2238 srcRect->X = srcRect->Y = 0.0;
2239 srcRect->Width = (REAL) ((GpBitmap*)image)->width;
2240 srcRect->Height = (REAL) ((GpBitmap*)image)->height;
2241 *srcUnit = UnitPixel;
2242 }
2243 else{
2244 srcRect->X = srcRect->Y = 0.0;
2245 srcRect->Width = ipicture_pixel_width(image->picture);
2246 srcRect->Height = ipicture_pixel_height(image->picture);
2247 *srcUnit = UnitPixel;
2248 }
2249
2250 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
2251 srcRect->Width, srcRect->Height, *srcUnit);
2252
2253 return Ok;
2254 }
2255
2256 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
2257 REAL *height)
2258 {
2259 TRACE("%p %p %p\n", image, width, height);
2260
2261 if(!image || !height || !width)
2262 return InvalidParameter;
2263
2264 if(image->type == ImageTypeMetafile){
2265 *height = units_to_pixels(((GpMetafile*)image)->bounds.Height, ((GpMetafile*)image)->unit, image->yres);
2266 *width = units_to_pixels(((GpMetafile*)image)->bounds.Width, ((GpMetafile*)image)->unit, image->xres);
2267 }
2268 else if(image->type == ImageTypeBitmap){
2269 *height = ((GpBitmap*)image)->height;
2270 *width = ((GpBitmap*)image)->width;
2271 }
2272 else{
2273 *height = ipicture_pixel_height(image->picture);
2274 *width = ipicture_pixel_width(image->picture);
2275 }
2276
2277 TRACE("returning (%f, %f)\n", *height, *width);
2278 return Ok;
2279 }
2280
2281 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
2282 GpGraphics **graphics)
2283 {
2284 HDC hdc;
2285 GpStatus stat;
2286
2287 TRACE("%p %p\n", image, graphics);
2288
2289 if(!image || !graphics)
2290 return InvalidParameter;
2291
2292 if (image->type == ImageTypeBitmap && ((GpBitmap*)image)->hbitmap)
2293 {
2294 hdc = ((GpBitmap*)image)->hdc;
2295
2296 if(!hdc){
2297 hdc = CreateCompatibleDC(0);
2298 SelectObject(hdc, ((GpBitmap*)image)->hbitmap);
2299 ((GpBitmap*)image)->hdc = hdc;
2300 }
2301
2302 stat = GdipCreateFromHDC(hdc, graphics);
2303
2304 if (stat == Ok)
2305 {
2306 (*graphics)->image = image;
2307 (*graphics)->xres = image->xres;
2308 (*graphics)->yres = image->yres;
2309 }
2310 }
2311 else if (image->type == ImageTypeMetafile)
2312 stat = METAFILE_GetGraphicsContext((GpMetafile*)image, graphics);
2313 else
2314 stat = graphics_from_image(image, graphics);
2315
2316 return stat;
2317 }
2318
2319 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
2320 {
2321 TRACE("%p %p\n", image, height);
2322
2323 if(!image || !height)
2324 return InvalidParameter;
2325
2326 if(image->type == ImageTypeMetafile)
2327 *height = units_to_pixels(((GpMetafile*)image)->bounds.Height, ((GpMetafile*)image)->unit, image->yres);
2328 else if(image->type == ImageTypeBitmap)
2329 *height = ((GpBitmap*)image)->height;
2330 else
2331 *height = ipicture_pixel_height(image->picture);
2332
2333 TRACE("returning %d\n", *height);
2334
2335 return Ok;
2336 }
2337
2338 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
2339 {
2340 if(!image || !res)
2341 return InvalidParameter;
2342
2343 *res = image->xres;
2344
2345 TRACE("(%p) <-- %0.2f\n", image, *res);
2346
2347 return Ok;
2348 }
2349
2350 GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
2351 {
2352 TRACE("%p %p\n", image, size);
2353
2354 if(!image || !size)
2355 return InvalidParameter;
2356
2357 if (!image->palette || image->palette->Count == 0)
2358 *size = sizeof(ColorPalette);
2359 else
2360 *size = sizeof(UINT)*2 + sizeof(ARGB)*image->palette->Count;
2361
2362 TRACE("<-- %u\n", *size);
2363
2364 return Ok;
2365 }
2366
2367 /* FIXME: test this function for non-bitmap types */
2368 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
2369 {
2370 TRACE("%p %p\n", image, format);
2371
2372 if(!image || !format)
2373 return InvalidParameter;
2374
2375 if(image->type != ImageTypeBitmap)
2376 *format = PixelFormat24bppRGB;
2377 else
2378 *format = ((GpBitmap*) image)->format;
2379
2380 return Ok;
2381 }
2382
2383 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
2384 {
2385 TRACE("(%p, %p)\n", image, format);
2386
2387 if(!image || !format)
2388 return InvalidParameter;
2389
2390 memcpy(format, &image->format, sizeof(GUID));
2391
2392 return Ok;
2393 }
2394
2395 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
2396 {
2397 TRACE("%p %p\n", image, type);
2398
2399 if(!image || !type)
2400 return InvalidParameter;
2401
2402 *type = image->type;
2403
2404 return Ok;
2405 }
2406
2407 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
2408 {
2409 if(!image || !res)
2410 return InvalidParameter;
2411
2412 *res = image->yres;
2413
2414 TRACE("(%p) <-- %0.2f\n", image, *res);
2415
2416 return Ok;
2417 }
2418
2419 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
2420 {
2421 TRACE("%p %p\n", image, width);
2422
2423 if(!image || !width)
2424 return InvalidParameter;
2425
2426 if(image->type == ImageTypeMetafile)
2427 *width = units_to_pixels(((GpMetafile*)image)->bounds.Width, ((GpMetafile*)image)->unit, image->xres);
2428 else if(image->type == ImageTypeBitmap)
2429 *width = ((GpBitmap*)image)->width;
2430 else
2431 *width = ipicture_pixel_width(image->picture);
2432
2433 TRACE("returning %d\n", *width);
2434
2435 return Ok;
2436 }
2437
2438 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
2439 MetafileHeader * header)
2440 {
2441 static int calls;
2442
2443 TRACE("(%p, %p)\n", metafile, header);
2444
2445 if(!metafile || !header)
2446 return InvalidParameter;
2447
2448 if(!(calls++))
2449 FIXME("not implemented\n");
2450
2451 memset(header, 0, sizeof(MetafileHeader));
2452
2453 return Ok;
2454 }
2455
2456 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromEmf(HENHMETAFILE hEmf,
2457 MetafileHeader *header)
2458 {
2459 static int calls;
2460
2461 if(!hEmf || !header)
2462 return InvalidParameter;
2463
2464 if(!(calls++))
2465 FIXME("not implemented\n");
2466
2467 memset(header, 0, sizeof(MetafileHeader));
2468
2469 return Ok;
2470 }
2471
2472 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromFile(GDIPCONST WCHAR *filename,
2473 MetafileHeader *header)
2474 {
2475 static int calls;
2476
2477 TRACE("(%s,%p)\n", debugstr_w(filename), header);
2478
2479 if(!filename || !header)
2480 return InvalidParameter;
2481
2482 if(!(calls++))
2483 FIXME("not implemented\n");
2484
2485 memset(header, 0, sizeof(MetafileHeader));
2486
2487 return Ok;
2488 }
2489
2490 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromStream(IStream *stream,
2491 MetafileHeader *header)
2492 {
2493 static int calls;
2494
2495 TRACE("(%p,%p)\n", stream, header);
2496
2497 if(!stream || !header)
2498 return InvalidParameter;
2499
2500 if(!(calls++))
2501 FIXME("not implemented\n");
2502
2503 memset(header, 0, sizeof(MetafileHeader));
2504
2505 return Ok;
2506 }
2507
2508 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT *num)
2509 {
2510 TRACE("(%p, %p)\n", image, num);
2511
2512 if (!image || !num) return InvalidParameter;
2513
2514 *num = 0;
2515
2516 if (image->type == ImageTypeBitmap)
2517 {
2518 if (((GpBitmap *)image)->prop_item)
2519 {
2520 *num = ((GpBitmap *)image)->prop_count;
2521 return Ok;
2522 }
2523
2524 if (((GpBitmap *)image)->metadata_reader)
2525 IWICMetadataReader_GetCount(((GpBitmap *)image)->metadata_reader, num);
2526 }
2527
2528 return Ok;
2529 }
2530
2531 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID *list)
2532 {
2533 HRESULT hr;
2534 IWICMetadataReader *reader;
2535 IWICEnumMetadataItem *enumerator;
2536 UINT prop_count, i, items_returned;
2537
2538 TRACE("(%p, %u, %p)\n", image, num, list);
2539
2540 if (!image || !list) return InvalidParameter;
2541
2542 if (image->type != ImageTypeBitmap)
2543 {
2544 FIXME("Not implemented for type %d\n", image->type);
2545 return NotImplemented;
2546 }
2547
2548 if (((GpBitmap *)image)->prop_item)
2549 {
2550 if (num != ((GpBitmap *)image)->prop_count) return InvalidParameter;
2551
2552 for (i = 0; i < num; i++)
2553 {
2554 list[i] = ((GpBitmap *)image)->prop_item[i].id;
2555 }
2556
2557 return Ok;
2558 }
2559
2560 reader = ((GpBitmap *)image)->metadata_reader;
2561 if (!reader)
2562 {
2563 if (num != 0) return InvalidParameter;
2564 return Ok;
2565 }
2566
2567 hr = IWICMetadataReader_GetCount(reader, &prop_count);
2568 if (FAILED(hr)) return hresult_to_status(hr);
2569
2570 if (num != prop_count) return InvalidParameter;
2571
2572 hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
2573 if (FAILED(hr)) return hresult_to_status(hr);
2574
2575 IWICEnumMetadataItem_Reset(enumerator);
2576
2577 for (i = 0; i < num; i++)
2578 {
2579 PROPVARIANT id;
2580
2581 hr = IWICEnumMetadataItem_Next(enumerator, 1, NULL, &id, NULL, &items_returned);
2582 if (hr != S_OK) break;
2583
2584 if (id.vt != VT_UI2)
2585 {
2586 FIXME("not supported propvariant type for id: %u\n", id.vt);
2587 list[i] = 0;
2588 continue;
2589 }
2590 list[i] = id.u.uiVal;
2591 }
2592
2593 IWICEnumMetadataItem_Release(enumerator);
2594
2595 return hr == S_OK ? Ok : hresult_to_status(hr);
2596 }
2597
2598 static UINT propvariant_size(PROPVARIANT *value)
2599 {
2600 switch (value->vt & ~VT_VECTOR)
2601 {
2602 case VT_EMPTY:
2603 return 0;
2604 case VT_I1:
2605 case VT_UI1:
2606 if (!(value->vt & VT_VECTOR)) return 1;
2607 return value->u.caub.cElems;
2608 case VT_I2:
2609 case VT_UI2:
2610 if (!(value->vt & VT_VECTOR)) return 2;
2611 return value->u.caui.cElems * 2;
2612 case VT_I4:
2613 case VT_UI4:
2614 case VT_R4:
2615 if (!(value->vt & VT_VECTOR)) return 4;
2616 return value->u.caul.cElems * 4;
2617 case VT_I8:
2618 case VT_UI8:
2619 case VT_R8:
2620 if (!(value->vt & VT_VECTOR)) return 8;
2621 return value->u.cauh.cElems * 8;
2622 case VT_LPSTR:
2623 return value->u.pszVal ? strlen(value->u.pszVal) + 1 : 0;
2624 case VT_BLOB:
2625 return value->u.blob.cbSize;
2626 default:
2627 FIXME("not supported variant type %d\n", value->vt);
2628 return 0;
2629 }
2630 }
2631
2632 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID propid, UINT *size)
2633 {
2634 HRESULT hr;
2635 IWICMetadataReader *reader;
2636 PROPVARIANT id, value;
2637
2638 TRACE("(%p,%#x,%p)\n", image, propid, size);
2639
2640 if (!size || !image) return InvalidParameter;
2641
2642 if (image->type != ImageTypeBitmap)
2643 {
2644 FIXME("Not implemented for type %d\n", image->type);
2645 return NotImplemented;
2646 }
2647
2648 if (((GpBitmap *)image)->prop_item)
2649 {
2650 UINT i;
2651
2652 for (i = 0; i < ((GpBitmap *)image)->prop_count; i++)
2653 {
2654 if (propid == ((GpBitmap *)image)->prop_item[i].id)
2655 {
2656 *size = sizeof(PropertyItem) + ((GpBitmap *)image)->prop_item[i].length;
2657 return Ok;
2658 }
2659 }
2660
2661 return PropertyNotFound;
2662 }
2663
2664 reader = ((GpBitmap *)image)->metadata_reader;
2665 if (!reader) return PropertyNotFound;
2666
2667 id.vt = VT_UI2;
2668 id.u.uiVal = propid;
2669 hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
2670 if (FAILED(hr)) return PropertyNotFound;
2671
2672 *size = propvariant_size(&value);
2673 if (*size) *size += sizeof(PropertyItem);
2674 PropVariantClear(&value);
2675
2676 return Ok;
2677 }
2678
2679 #ifndef PropertyTagTypeSByte
2680 #define PropertyTagTypeSByte 6
2681 #define PropertyTagTypeSShort 8
2682 #define PropertyTagTypeFloat 11
2683 #define PropertyTagTypeDouble 12
2684 #endif
2685
2686 static UINT vt_to_itemtype(UINT vt)
2687 {
2688 static const struct
2689 {
2690 UINT vt, type;
2691 } vt2type[] =
2692 {
2693 { VT_I1, PropertyTagTypeSByte },
2694 { VT_UI1, PropertyTagTypeByte },
2695 { VT_I2, PropertyTagTypeSShort },
2696 { VT_UI2, PropertyTagTypeShort },
2697 { VT_I4, PropertyTagTypeSLONG },
2698 { VT_UI4, PropertyTagTypeLong },
2699 { VT_I8, PropertyTagTypeSRational },
2700 { VT_UI8, PropertyTagTypeRational },
2701 { VT_R4, PropertyTagTypeFloat },
2702 { VT_R8, PropertyTagTypeDouble },
2703 { VT_LPSTR, PropertyTagTypeASCII },
2704 { VT_BLOB, PropertyTagTypeUndefined }
2705 };
2706 UINT i;
2707 for (i = 0; i < sizeof(vt2type)/sizeof(vt2type[0]); i++)
2708 {
2709 if (vt2type[i].vt == vt) return vt2type[i].type;
2710 }
2711 FIXME("not supported variant type %u\n", vt);
2712 return 0;
2713 }
2714
2715 static GpStatus propvariant_to_item(PROPVARIANT *value, PropertyItem *item,
2716 UINT size, PROPID id)
2717 {
2718 UINT item_size, item_type;
2719
2720 item_size = propvariant_size(value);
2721 if (size != item_size + sizeof(PropertyItem)) return InvalidParameter;
2722
2723 item_type = vt_to_itemtype(value->vt & ~VT_VECTOR);
2724 if (!item_type) return InvalidParameter;
2725
2726 item->value = item + 1;
2727
2728 switch (value->vt & ~VT_VECTOR)
2729 {
2730 case VT_I1:
2731 case VT_UI1:
2732 if (!(value->vt & VT_VECTOR))
2733 *(BYTE *)item->value = value->u.bVal;
2734 else
2735 memcpy(item->value, value->u.caub.pElems, item_size);
2736 break;
2737 case VT_I2:
2738 case VT_UI2:
2739 if (!(value->vt & VT_VECTOR))
2740 *(USHORT *)item->value = value->u.uiVal;
2741 else
2742 memcpy(item->value, value->u.caui.pElems, item_size);
2743 break;
2744 case VT_I4:
2745 case VT_UI4:
2746 case VT_R4:
2747 if (!(value->vt & VT_VECTOR))
2748 *(ULONG *)item->value = value->u.ulVal;
2749 else
2750 memcpy(item->value, value->u.caul.pElems, item_size);
2751 break;
2752 case VT_I8:
2753 case VT_UI8:
2754 case VT_R8:
2755 if (!(value->vt & VT_VECTOR))
2756 *(ULONGLONG *)item->value = value->u.uhVal.QuadPart;
2757 else
2758 memcpy(item->value, value->u.cauh.pElems, item_size);
2759 break;
2760 case VT_LPSTR:
2761 memcpy(item->value, value->u.pszVal, item_size);
2762 break;
2763 case VT_BLOB:
2764 memcpy(item->value, value->u.blob.pBlobData, item_size);
2765 break;
2766 default:
2767 FIXME("not supported variant type %d\n", value->vt);
2768 return InvalidParameter;
2769 }
2770
2771 item->length = item_size;
2772 item->type = item_type;
2773 item->id = id;
2774
2775 return Ok;
2776 }
2777
2778 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID propid, UINT size,
2779 PropertyItem *buffer)
2780 {
2781 GpStatus stat;
2782 HRESULT hr;
2783 IWICMetadataReader *reader;
2784 PROPVARIANT id, value;
2785
2786 TRACE("(%p,%#x,%u,%p)\n", image, propid, size, buffer);
2787
2788 if (!image || !buffer) return InvalidParameter;
2789
2790 if (image->type != ImageTypeBitmap)
2791 {
2792 FIXME("Not implemented for type %d\n", image->type);
2793 return NotImplemented;
2794 }
2795
2796 if (((GpBitmap *)image)->prop_item)
2797 {
2798 UINT i;
2799
2800 for (i = 0; i < ((GpBitmap *)image)->prop_count; i++)
2801 {
2802 if (propid == ((GpBitmap *)image)->prop_item[i].id)
2803 {
2804 if (size != sizeof(PropertyItem) + ((GpBitmap *)image)->prop_item[i].length)
2805 return InvalidParameter;
2806
2807 *buffer = ((GpBitmap *)image)->prop_item[i];
2808 buffer->value = buffer + 1;
2809 memcpy(buffer->value, ((GpBitmap *)image)->prop_item[i].value, buffer->length);
2810 return Ok;
2811 }
2812 }
2813
2814 return PropertyNotFound;
2815 }
2816
2817 reader = ((GpBitmap *)image)->metadata_reader;
2818 if (!reader) return PropertyNotFound;
2819
2820 id.vt = VT_UI2;
2821 id.u.uiVal = propid;
2822 hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
2823 if (FAILED(hr)) return PropertyNotFound;
2824
2825 stat = propvariant_to_item(&value, buffer, size, propid);
2826 PropVariantClear(&value);
2827
2828 return stat;
2829 }
2830
2831 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT *size, UINT *count)
2832 {
2833 HRESULT hr;
2834 IWICMetadataReader *reader;
2835 IWICEnumMetadataItem *enumerator;
2836 UINT prop_count, prop_size, i;
2837 PROPVARIANT id, value;
2838
2839 TRACE("(%p,%p,%p)\n", image, size, count);
2840
2841 if (!image || !size || !count) return InvalidParameter;
2842
2843 if (image->type != ImageTypeBitmap)
2844 {
2845 FIXME("Not implemented for type %d\n", image->type);
2846 return NotImplemented;
2847 }
2848
2849 if (((GpBitmap *)image)->prop_item)
2850 {
2851 *count = ((GpBitmap *)image)->prop_count;
2852 *size = 0;
2853
2854 for (i = 0; i < ((GpBitmap *)image)->prop_count; i++)
2855 {
2856 *size += sizeof(PropertyItem) + ((GpBitmap *)image)->prop_item[i].length;
2857 }
2858
2859 return Ok;
2860 }
2861
2862 reader = ((GpBitmap *)image)->metadata_reader;
2863 if (!reader) return PropertyNotFound;
2864
2865 hr = IWICMetadataReader_GetCount(reader, &prop_count);
2866 if (FAILED(hr)) return hresult_to_status(hr);
2867
2868 hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
2869 if (FAILED(hr)) return hresult_to_status(hr);
2870
2871 IWICEnumMetadataItem_Reset(enumerator);
2872
2873 prop_size = 0;
2874
2875 PropVariantInit(&id);
2876 PropVariantInit(&value);
2877
2878 for (i = 0; i < prop_count; i++)
2879 {
2880 UINT items_returned, item_size;
2881
2882 hr = IWICEnumMetadataItem_Next(enumerator, 1, NULL, &id, &value, &items_returned);
2883 if (hr != S_OK) break;
2884
2885 item_size = propvariant_size(&value);
2886 if (item_size) prop_size += sizeof(PropertyItem) + item_size;
2887
2888 PropVariantClear(&id);
2889 PropVariantClear(&value);
2890 }
2891
2892 IWICEnumMetadataItem_Release(enumerator);
2893
2894 if (hr != S_OK) return PropertyNotFound;
2895
2896 *count = prop_count;
2897 *size = prop_size;
2898 return Ok;
2899 }
2900
2901 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
2902 UINT count, PropertyItem *buf)
2903 {
2904 GpStatus status;
2905 HRESULT hr;
2906 IWICMetadataReader *reader;
2907 IWICEnumMetadataItem *enumerator;
2908 UINT prop_count, prop_size, i;
2909 PROPVARIANT id, value;
2910 char *item_value;
2911
2912 TRACE("(%p,%u,%u,%p)\n", image, size, count, buf);
2913
2914 if (!image || !buf) return InvalidParameter;
2915
2916 if (image->type != ImageTypeBitmap)
2917 {
2918 FIXME("Not implemented for type %d\n", image->type);
2919 return NotImplemented;
2920 }
2921
2922 status = GdipGetPropertySize(image, &prop_size, &prop_count);
2923 if (status != Ok) return status;
2924
2925 if (prop_count != count || prop_size != size) return InvalidParameter;
2926
2927 if (((GpBitmap *)image)->prop_item)
2928 {
2929 memcpy(buf, ((GpBitmap *)image)->prop_item, prop_size);
2930
2931 item_value = (char *)(buf + prop_count);
2932
2933 for (i = 0; i < prop_count; i++)
2934 {
2935 buf[i].value = item_value;
2936 item_value += buf[i].length;
2937 }
2938
2939 return Ok;
2940 }
2941
2942 reader = ((GpBitmap *)image)->metadata_reader;
2943 if (!reader) return PropertyNotFound;
2944
2945 hr = IWICMetadataReader_GetEnumerator(reader, &enumerator);
2946 if (FAILED(hr)) return hresult_to_status(hr);
2947
2948 IWICEnumMetadataItem_Reset(enumerator);
2949
2950 item_value = (char *)(buf + prop_count);
2951
2952 PropVariantInit(&id);
2953 PropVariantInit(&value);
2954
2955 for (i = 0; i < prop_count; i++)
2956 {
2957 PropertyItem *item;
2958 UINT items_returned, item_size;
2959
2960 hr = IWICEnumMetadataItem_Next(enumerator, 1, NULL, &id, &value, &items_returned);
2961 if (hr != S_OK) break;
2962
2963 if (id.vt != VT_UI2)
2964 {
2965 FIXME("not supported propvariant type for id: %u\n", id.vt);
2966 continue;
2967 }
2968
2969 item_size = propvariant_size(&value);
2970 if (item_size)
2971 {
2972 item = HeapAlloc(GetProcessHeap(), 0, item_size + sizeof(*item));
2973
2974 propvariant_to_item(&value, item, item_size + sizeof(*item), id.u.uiVal);
2975 buf[i].id = item->id;
2976 buf[i].type = item->type;
2977 buf[i].length = item_size;
2978 buf[i].value = item_value;
2979 memcpy(item_value, item->value, item_size);
2980 item_value += item_size;
2981
2982 HeapFree(GetProcessHeap(), 0, item);
2983 }
2984
2985 PropVariantClear(&id);
2986 PropVariantClear(&value);
2987 }
2988
2989 IWICEnumMetadataItem_Release(enumerator);
2990
2991 if (hr != S_OK) return PropertyNotFound;
2992
2993 return Ok;
2994 }
2995
2996 struct image_format_dimension
2997 {
2998 const GUID *format;
2999 const GUID *dimension;
3000 };
3001
3002 static const struct image_format_dimension image_format_dimensions[] =
3003 {
3004 {&ImageFormatGIF, &FrameDimensionTime},
3005 {&ImageFormatIcon, &FrameDimensionResolution},
3006 {NULL}
3007 };
3008
3009 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
3010 GDIPCONST GUID* dimensionID, UINT* count)
3011 {
3012 TRACE("(%p,%s,%p)\n", image, debugstr_guid(dimensionID), count);
3013
3014 if(!image || !count)
3015 return InvalidParameter;
3016
3017 if (!dimensionID ||
3018 IsEqualGUID(dimensionID, &image->format) ||
3019 IsEqualGUID(dimensionID, &FrameDimensionPage) ||
3020 IsEqualGUID(dimensionID, &FrameDimensionTime))
3021 {
3022 *count = image->frame_count;
3023 return Ok;
3024 }
3025
3026 return InvalidParameter;
3027 }
3028
3029 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
3030 UINT* count)
3031 {
3032 TRACE("(%p, %p)\n", image, count);
3033
3034 /* Native gdiplus 1.1 does not yet support multiple frame dimensions. */
3035
3036 if(!image || !count)
3037 return InvalidParameter;
3038
3039 *count = 1;
3040
3041 return Ok;
3042 }
3043
3044 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
3045 GUID* dimensionIDs, UINT count)
3046 {
3047 int i;
3048 const GUID *result=NULL;
3049
3050 TRACE("(%p,%p,%u)\n", image, dimensionIDs, count);
3051
3052 if(!image || !dimensionIDs || count != 1)
3053 return InvalidParameter;
3054
3055 for (i=0; image_format_dimensions[i].format; i++)
3056 {
3057 if (IsEqualGUID(&image->format, image_format_dimensions[i].format))
3058 {
3059 result = image_format_dimensions[i].dimension;
3060 break;
3061 }
3062 }
3063
3064 if (!result)
3065 result = &FrameDimensionPage;
3066
3067 memcpy(dimensionIDs, result, sizeof(GUID));
3068
3069 return Ok;
3070 }
3071
3072 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
3073 GpImage **image)
3074 {
3075 GpStatus stat;
3076 IStream *stream;
3077
3078 TRACE("(%s) %p\n", debugstr_w(filename), image);
3079
3080 if (!filename || !image)
3081 return InvalidParameter;
3082
3083 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
3084
3085 if (stat != Ok)
3086 return stat;
3087
3088 stat = GdipLoadImageFromStream(stream, image);
3089
3090 IStream_Release(stream);
3091
3092 return stat;
3093 }
3094
3095 /* FIXME: no icm handling */
3096 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
3097 {
3098 TRACE("(%s) %p\n", debugstr_w(filename), image);
3099
3100 return GdipLoadImageFromFile(filename, image);
3101 }
3102
3103 static void add_property(GpBitmap *bitmap, PropertyItem *item)
3104 {
3105 UINT prop_size, prop_count;
3106 PropertyItem *prop_item;
3107
3108 if (bitmap->prop_item == NULL)
3109 {
3110 prop_size = prop_count = 0;
3111 prop_item = GdipAlloc(item->length + sizeof(PropertyItem));
3112 if (!prop_item) return;
3113 }
3114 else
3115 {
3116 UINT i;
3117 char *item_value;
3118
3119 GdipGetPropertySize((GpImage *)bitmap, &prop_size, &prop_count);
3120
3121 prop_item = GdipAlloc(prop_size + item->length + sizeof(PropertyItem));
3122 if (!prop_item) return;
3123 memcpy(prop_item, bitmap->prop_item, sizeof(PropertyItem) * bitmap->prop_count);
3124 prop_size -= sizeof(PropertyItem) * bitmap->prop_count;
3125 memcpy(prop_item + prop_count + 1, bitmap->prop_item + prop_count, prop_size);
3126
3127 item_value = (char *)(prop_item + prop_count + 1);
3128
3129 for (i = 0; i < prop_count; i++)
3130 {
3131 prop_item[i].value = item_value;
3132 item_value += prop_item[i].length;
3133 }
3134 }
3135
3136 prop_item[prop_count].id = item->id;
3137 prop_item[prop_count].type = item->type;
3138 prop_item[prop_count].length = item->length;
3139 prop_item[prop_count].value = (char *)(prop_item + prop_count + 1) + prop_size;
3140 memcpy(prop_item[prop_count].value, item->value, item->length);
3141
3142 GdipFree(bitmap->prop_item);
3143 bitmap->prop_item = prop_item;
3144 bitmap->prop_count++;
3145 }
3146
3147 static BOOL get_bool_property(IWICMetadataReader *reader, const GUID *guid, const WCHAR *prop_name)
3148 {
3149 HRESULT hr;
3150 GUID format;
3151 PROPVARIANT id, value;
3152 BOOL ret = FALSE;
3153
3154 IWICMetadataReader_GetMetadataFormat(reader, &format);
3155 if (!IsEqualGUID(&format, guid)) return FALSE;
3156
3157 PropVariantInit(&id);
3158 PropVariantInit(&value);
3159
3160 id.vt = VT_LPWSTR;
3161 id.u.pwszVal = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(prop_name) + 1) * sizeof(WCHAR));
3162 if (!id.u.pwszVal) return FALSE;
3163 lstrcpyW(id.u.pwszVal, prop_name);
3164 hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
3165 if (hr == S_OK && value.vt == VT_BOOL)
3166 ret = value.u.boolVal;
3167
3168 PropVariantClear(&id);
3169 PropVariantClear(&value);
3170
3171 return ret;
3172 }
3173
3174 static PropertyItem *get_property(IWICMetadataReader *reader, const GUID *guid, const WCHAR *prop_name)
3175 {
3176 HRESULT hr;
3177 GUID format;
3178 PROPVARIANT id, value;
3179 PropertyItem *item = NULL;
3180
3181 IWICMetadataReader_GetMetadataFormat(reader, &format);
3182 if (!IsEqualGUID(&format, guid)) return NULL;
3183
3184 PropVariantInit(&id);
3185 PropVariantInit(&value);
3186
3187 id.vt = VT_LPWSTR;
3188 id.u.pwszVal = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(prop_name) + 1) * sizeof(WCHAR));
3189 if (!id.u.pwszVal) return NULL;
3190 lstrcpyW(id.u.pwszVal, prop_name);
3191 hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
3192 if (hr == S_OK)
3193 {
3194 UINT item_size = propvariant_size(&value);
3195 if (item_size)
3196 {
3197 item_size += sizeof(*item);
3198 item = GdipAlloc(item_size);
3199 if (propvariant_to_item(&value, item, item_size, 0) != Ok)
3200 {
3201 GdipFree(item);
3202 item = NULL;
3203 }
3204 }
3205 }
3206
3207 PropVariantClear(&id);
3208 PropVariantClear(&value);
3209
3210 return item;
3211 }
3212
3213 static PropertyItem *get_gif_comment(IWICMetadataReader *reader)
3214 {
3215 static const WCHAR textentryW[] = { 'T','e','x','t','E','n','t','r','y',0 };
3216 PropertyItem *comment;
3217
3218 comment = get_property(reader, &GUID_MetadataFormatGifComment, textentryW);
3219 if (comment)
3220 comment->id = PropertyTagExifUserComment;
3221
3222 return comment;
3223 }
3224
3225 static PropertyItem *get_gif_loopcount(IWICMetadataReader *reader)
3226 {
3227 static const WCHAR applicationW[] = { 'A','p','p','l','i','c','a','t','i','o','n',0 };
3228 static const WCHAR dataW[] = { 'D','a','t','a',0 };
3229 PropertyItem *appext = NULL, *appdata = NULL, *loop = NULL;
3230
3231 appext = get_property(reader, &GUID_MetadataFormatAPE, applicationW);
3232 if (appext)
3233 {
3234 if (appext->type == PropertyTagTypeByte && appext->length == 11 &&
3235 (!memcmp(appext->value, "NETSCAPE2.0", 11) || !memcmp(appext->value, "ANIMEXTS1.0", 11)))
3236 {
3237 appdata = get_property(reader, &GUID_MetadataFormatAPE, dataW);
3238 if (appdata)
3239 {
3240 if (appdata->type == PropertyTagTypeByte && appdata->length == 4)
3241 {
3242 BYTE *data = appdata->value;
3243 if (data[0] == 3 && data[1] == 1)
3244 {
3245 loop = GdipAlloc(sizeof(*loop) + sizeof(SHORT));
3246 if (loop)
3247 {
3248 loop->type = PropertyTagTypeShort;
3249 loop->id = PropertyTagLoopCount;
3250 loop->length = sizeof(SHORT);
3251 loop->value = loop + 1;
3252 *(SHORT *)loop->value = data[2] | (data[3] << 8);
3253 }
3254 }
3255 }
3256 }
3257 }
3258 }
3259
3260 GdipFree(appext);
3261 GdipFree(appdata);
3262
3263 return loop;
3264 }
3265
3266 static PropertyItem *get_gif_background(IWICMetadataReader *reader)
3267 {
3268 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 };
3269 PropertyItem *background;
3270
3271 background = get_property(reader, &GUID_MetadataFormatLSD, backgroundW);
3272 if (background)
3273 background->id = PropertyTagIndexBackground;
3274
3275 return background;
3276 }
3277
3278 static PropertyItem *get_gif_palette(IWICBitmapDecoder *decoder, IWICMetadataReader *reader)
3279 {
3280 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 };
3281 HRESULT hr;
3282 IWICImagingFactory *factory;
3283 IWICPalette *palette;
3284 UINT count = 0;
3285 WICColor colors[256];
3286
3287 if (!get_bool_property(reader, &GUID_MetadataFormatLSD, global_flagW))
3288 return NULL;
3289
3290 hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER,
3291 &IID_IWICImagingFactory, (void **)&factory);
3292 if (hr != S_OK) return NULL;
3293
3294 hr = IWICImagingFactory_CreatePalette(factory, &palette);
3295 if (hr == S_OK)
3296 {
3297 hr = IWICBitmapDecoder_CopyPalette(decoder, palette);
3298 if (hr == S_OK)
3299 IWICPalette_GetColors(palette, 256, colors, &count);
3300
3301 IWICPalette_Release(palette);
3302 }
3303
3304 IWICImagingFactory_Release(factory);
3305
3306 if (count)
3307 {
3308 PropertyItem *pal;
3309 UINT i;
3310 BYTE *rgb;
3311
3312 pal = GdipAlloc(sizeof(*pal) + count * 3);
3313 if (!pal) return NULL;
3314 pal->type = PropertyTagTypeByte;
3315 pal->id = PropertyTagGlobalPalette;
3316 pal->value = pal + 1;
3317 pal->length = count * 3;
3318
3319 rgb = pal->value;
3320
3321 for (i = 0; i < count; i++)
3322 {
3323 rgb[i*3] = (colors[i] >> 16) & 0xff;
3324 rgb[i*3 + 1] = (colors[i] >> 8) & 0xff;
3325 rgb[i*3 + 2] = colors[i] & 0xff;
3326 }
3327
3328 return pal;
3329 }
3330
3331 return NULL;
3332 }
3333
3334 static PropertyItem *get_gif_transparent_idx(IWICMetadataReader *reader)
3335 {
3336 static const WCHAR transparency_flagW[] = { 'T','r','a','n','s','p','a','r','e','n','c','y','F','l','a','g',0 };
3337 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 };
3338 PropertyItem *index = NULL;
3339
3340 if (get_bool_property(reader, &GUID_MetadataFormatGCE, transparency_flagW))
3341 {
3342 index = get_property(reader, &GUID_MetadataFormatGCE, colorW);
3343 if (index)
3344 index->id = PropertyTagIndexTransparent;
3345 }
3346 return index;
3347 }
3348
3349 static LONG get_gif_frame_delay(IWICBitmapFrameDecode *frame)
3350 {
3351 static const WCHAR delayW[] = { 'D','e','l','a','y',0 };
3352 HRESULT hr;
3353 IWICMetadataBlockReader *block_reader;
3354 IWICMetadataReader *reader;
3355 UINT block_count, i;
3356 PropertyItem *delay;
3357 LONG value = 0;
3358
3359 hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&block_reader);
3360 if (hr == S_OK)
3361 {
3362 hr = IWICMetadataBlockReader_GetCount(block_reader, &block_count);
3363 if (hr == S_OK)
3364 {
3365 for (i = 0; i < block_count; i++)
3366 {
3367 hr = IWICMetadataBlockReader_GetReaderByIndex(block_reader, i, &reader);
3368 if (hr == S_OK)
3369 {
3370 delay = get_property(reader, &GUID_MetadataFormatGCE, delayW);
3371 if (delay)
3372 {
3373 if (delay->type == PropertyTagTypeShort && delay->length == 2)
3374 value = *(SHORT *)delay->value;
3375
3376 GdipFree(delay);
3377 }
3378 IWICMetadataReader_Release(reader);
3379 }
3380 }
3381 }
3382 IWICMetadataBlockReader_Release(block_reader);
3383 }
3384
3385 return value;
3386 }
3387
3388 static void gif_metadata_reader(GpBitmap *bitmap, IWICBitmapDecoder *decoder, UINT active_frame)
3389 {
3390 HRESULT hr;
3391 IWICBitmapFrameDecode *frame;
3392 IWICMetadataBlockReader *block_reader;
3393 IWICMetadataReader *reader;
3394 UINT frame_count, block_count, i;
3395 PropertyItem *delay = NULL, *comment = NULL, *background = NULL;
3396 PropertyItem *transparent_idx = NULL, *loop = NULL, *palette = NULL;
3397
3398 IWICBitmapDecoder_GetFrameCount(decoder, &frame_count);
3399 if (frame_count > 1)
3400 {
3401 delay = GdipAlloc(sizeof(*delay) + frame_count * sizeof(LONG));
3402 if (delay)
3403 {
3404 LONG *value;
3405
3406 delay->type = PropertyTagTypeLong;
3407 delay->id = PropertyTagFrameDelay;
3408 delay->length = frame_count * sizeof(LONG);
3409 delay->value = delay + 1;
3410
3411 value = delay->value;
3412
3413 for (i = 0; i < frame_count; i++)
3414 {
3415 hr = IWICBitmapDecoder_GetFrame(decoder, i, &frame);
3416 if (hr == S_OK)
3417 {
3418 value[i] = get_gif_frame_delay(frame);
3419 IWICBitmapFrameDecode_Release(frame);
3420 }
3421 else value[i] = 0;
3422 }
3423 }
3424 }
3425
3426 hr = IWICBitmapDecoder_QueryInterface(decoder, &IID_IWICMetadataBlockReader, (void **)&block_reader);
3427 if (hr == S_OK)
3428 {
3429 hr = IWICMetadataBlockReader_GetCount(block_reader, &block_count);
3430 if (hr == S_OK)
3431 {
3432 for (i = 0; i < block_count; i++)
3433 {
3434 hr = IWICMetadataBlockReader_GetReaderByIndex(block_reader, i, &reader);
3435 if (hr == S_OK)
3436 {
3437 if (!comment)
3438 comment = get_gif_comment(reader);
3439
3440 if (frame_count > 1 && !loop)
3441 loop = get_gif_loopcount(reader);
3442
3443 if (!background)
3444 background = get_gif_background(reader);
3445
3446 if (!palette)
3447 palette = get_gif_palette(decoder, reader);
3448
3449 IWICMetadataReader_Release(reader);
3450 }
3451 }
3452 }
3453 IWICMetadataBlockReader_Release(block_reader);
3454 }
3455
3456 if (frame_count > 1 && !loop)
3457 {
3458 loop = GdipAlloc(sizeof(*loop) + sizeof(SHORT));
3459 if (loop)
3460 {
3461 loop->type = PropertyTagTypeShort;
3462 loop->id = PropertyTagLoopCount;
3463 loop->length = sizeof(SHORT);
3464 loop->value = loop + 1;
3465 *(SHORT *)loop->value = 1;
3466 }
3467 }
3468
3469 if (delay) add_property(bitmap, delay);
3470 if (comment) add_property(bitmap, comment);
3471 if (loop) add_property(bitmap, loop);
3472 if (palette) add_property(bitmap, palette);
3473 if (background) add_property(bitmap, background);
3474
3475 GdipFree(delay);
3476 GdipFree(comment);
3477 GdipFree(loop);
3478 GdipFree(palette);
3479 GdipFree(background);
3480
3481 /* Win7 gdiplus always returns transparent color index from frame 0 */
3482 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
3483 if (hr != S_OK) return;
3484
3485 hr = IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&block_reader);
3486 if (hr == S_OK)
3487 {
3488 hr = IWICMetadataBlockReader_GetCount(block_reader, &block_count);
3489 if (hr == S_OK)
3490 {
3491 for (i = 0; i < block_count; i++)
3492 {
3493 hr = IWICMetadataBlockReader_GetReaderByIndex(block_reader, i, &reader);
3494 if (hr == S_OK)
3495 {
3496 if (!transparent_idx)
3497 transparent_idx = get_gif_transparent_idx(reader);
3498
3499 IWICMetadataReader_Release(reader);
3500 }
3501 }
3502 }
3503 IWICMetadataBlockReader_Release(block_reader);
3504 }
3505
3506 if (transparent_idx) add_property(bitmap, transparent_idx);
3507 GdipFree(transparent_idx);
3508
3509 IWICBitmapFrameDecode_Release(frame);
3510 }
3511
3512 typedef void (*metadata_reader_func)(GpBitmap *bitmap, IWICBitmapDecoder *decoder, UINT frame);
3513
3514 static GpStatus decode_image_wic(IStream *stream, GDIPCONST CLSID *clsid,
3515 UINT active_frame, metadata_reader_func metadata_reader, GpImage **image)
3516 {
3517 GpStatus status=Ok;
3518 GpBitmap *bitmap;
3519 HRESULT hr;
3520 IWICBitmapDecoder *decoder;
3521 IWICBitmapFrameDecode *frame;
3522 IWICBitmapSource *source=NULL;
3523 IWICMetadataBlockReader *block_reader;
3524 WICPixelFormatGUID wic_format;
3525 PixelFormat gdip_format=0;
3526 ColorPalette *palette = NULL;
3527 WICBitmapPaletteType palette_type = WICBitmapPaletteTypeFixedHalftone256;
3528 int i;
3529 UINT width, height, frame_count;
3530 BitmapData lockeddata;
3531 WICRect wrc;
3532 HRESULT initresult;
3533
3534 TRACE("%p,%s,%u,%p\n", stream, wine_dbgstr_guid(clsid), active_frame, image);
3535
3536 initresult = CoInitialize(NULL);
3537
3538 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
3539 &IID_IWICBitmapDecoder, (void**)&decoder);
3540 if (FAILED(hr)) goto end;
3541
3542 hr = IWICBitmapDecoder_Initialize(decoder, stream, WICDecodeMetadataCacheOnLoad);
3543 if (SUCCEEDED(hr))
3544 {
3545 IWICBitmapDecoder_GetFrameCount(decoder, &frame_count);
3546 hr = IWICBitmapDecoder_GetFrame(decoder, active_frame, &frame);
3547 }
3548
3549 if (SUCCEEDED(hr)) /* got frame */
3550 {
3551 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format);
3552
3553 if (SUCCEEDED(hr))
3554 {
3555 IWICBitmapSource *bmp_source;
3556 IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICBitmapSource, (void **)&bmp_source);
3557
3558 for (i=0; pixel_formats[i].wic_format; i++)
3559 {
3560 if (IsEqualGUID(&wic_format, pixel_formats[i].wic_format))
3561 {
3562 source = bmp_source;
3563 gdip_format = pixel_formats[i].gdip_format;
3564 palette_type = pixel_formats[i].palette_type;
3565 break;
3566 }
3567 }
3568 if (!source)
3569 {
3570 /* unknown format; fall back on 32bppARGB */
3571 hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, bmp_source, &source);
3572 gdip_format = PixelFormat32bppARGB;
3573 IWICBitmapSource_Release(bmp_source);
3574 }
3575 TRACE("%s => %#x\n", wine_dbgstr_guid(&wic_format), gdip_format);
3576 }
3577
3578 if (SUCCEEDED(hr)) /* got source */
3579 {
3580 hr = IWICBitmapSource_GetSize(source, &width, &height);
3581
3582 if (SUCCEEDED(hr))
3583 status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format,
3584 NULL, &bitmap);
3585
3586 if (SUCCEEDED(hr) && status == Ok) /* created bitmap */
3587 {
3588 status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite,
3589 gdip_format, &lockeddata);
3590 if (status == Ok) /* locked bitmap */
3591 {
3592 wrc.X = 0;
3593 wrc.Width = width;
3594 wrc.Height = 1;
3595 for (i=0; i<height; i++)
3596 {
3597 wrc.Y = i;
3598 hr = IWICBitmapSource_CopyPixels(source, &wrc, abs(lockeddata.Stride),
3599 abs(lockeddata.Stride), (BYTE*)lockeddata.Scan0+lockeddata.Stride*i);
3600 if (FAILED(hr)) break;
3601 }
3602
3603 GdipBitmapUnlockBits(bitmap, &lockeddata);
3604 }
3605
3606 if (SUCCEEDED(hr) && status == Ok)
3607 *image = (GpImage*)bitmap;
3608 else
3609 {
3610 *image = NULL;
3611 GdipDisposeImage((GpImage*)bitmap);
3612 }
3613
3614 if (SUCCEEDED(hr) && status == Ok)
3615 {
3616 double dpix, dpiy;
3617 hr = IWICBitmapSource_GetResolution(source, &dpix, &dpiy);
3618 if (SUCCEEDED(hr))
3619 {
3620 bitmap->image.xres = dpix;
3621 bitmap->image.yres = dpiy;
3622 }
3623 hr = S_OK;
3624 }
3625 }
3626
3627 IWICBitmapSource_Release(source);
3628 }
3629
3630 if (SUCCEEDED(hr)) {
3631 bitmap->metadata_reader = NULL;
3632
3633 if (metadata_reader)
3634 metadata_reader(bitmap, decoder, active_frame);
3635 else if (IWICBitmapFrameDecode_QueryInterface(frame, &IID_IWICMetadataBlockReader, (void **)&block_reader) == S_OK)
3636 {
3637 UINT block_count = 0;
3638 if (IWICMetadataBlockReader_GetCount(block_reader, &block_count) == S_OK && block_count)
3639 IWICMetadataBlockReader_GetReaderByIndex(block_reader, 0, &bitmap->metadata_reader);
3640 IWICMetadataBlockReader_Release(block_reader);
3641 }
3642
3643 palette = get_palette(frame, palette_type);
3644 IWICBitmapFrameDecode_Release(frame);
3645 }
3646 }
3647
3648 IWICBitmapDecoder_Release(decoder);
3649
3650 end:
3651 if (SUCCEEDED(initresult)) CoUninitialize();
3652
3653 if (FAILED(hr) && status == Ok) status = hresult_to_status(hr);
3654
3655 if (status == Ok)
3656 {
3657 /* Native GDI+ used to be smarter, but since Win7 it just sets these flags. */
3658 bitmap->image.flags |= ImageFlagsReadOnly|ImageFlagsHasRealPixelSize|ImageFlagsHasRealDPI|ImageFlagsColorSpaceRGB;
3659 bitmap->image.frame_count = frame_count;
3660 bitmap->image.current_frame = active_frame;
3661 bitmap->image.stream = stream;
3662 if (palette)
3663 {
3664 GdipFree(bitmap->image.palette);
3665 bitmap->image.palette = palette;
3666 }
3667 else
3668 {
3669 if (IsEqualGUID(&wic_format, &GUID_WICPixelFormatBlackWhite))
3670 bitmap->image.palette->Flags = 0;
3671 }
3672 /* Pin the source stream */
3673 IStream_AddRef(stream);
3674 TRACE("=> %p\n", *image);
3675 }
3676
3677 return status;
3678 }
3679
3680 static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image)
3681 {
3682 return decode_image_wic(stream, &CLSID_WICIcoDecoder, active_frame, NULL, image);
3683 }
3684
3685 static GpStatus decode_image_bmp(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image)
3686 {
3687 GpStatus status;
3688 GpBitmap* bitmap;
3689
3690 status = decode_image_wic(stream, &CLSID_WICBmpDecoder, active_frame, NULL, image);
3691
3692 bitmap = (GpBitmap*)*image;
3693
3694 if (status == Ok && bitmap->format == PixelFormat32bppARGB)
3695 {
3696 /* WIC supports bmp files with alpha, but gdiplus does not */
3697 bitmap->format = PixelFormat32bppRGB;
3698 }
3699
3700 return status;
3701 }
3702
3703 static GpStatus decode_image_jpeg(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image)
3704 {
3705 return decode_image_wic(stream, &CLSID_WICJpegDecoder, active_frame, NULL, image);
3706 }
3707
3708 static GpStatus decode_image_png(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image)
3709 {
3710 return decode_image_wic(stream, &CLSID_WICPngDecoder, active_frame, NULL, image);
3711 }
3712
3713 static GpStatus decode_image_gif(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image)
3714 {
3715 return decode_image_wic(stream, &CLSID_WICGifDecoder, active_frame, gif_metadata_reader, image);
3716 }
3717
3718 static GpStatus decode_image_tiff(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image)
3719 {
3720 return decode_image_wic(stream, &CLSID_WICTiffDecoder, active_frame, NULL, image);
3721 }
3722
3723 static GpStatus decode_image_olepicture_metafile(IStream* stream, REFCLSID clsid, UINT active_frame, GpImage **image)
3724 {
3725 IPicture *pic;
3726
3727 TRACE("%p %p\n", stream, image);
3728
3729 if(!stream || !image)
3730 return InvalidParameter;
3731
3732 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
3733 (LPVOID*) &pic) != S_OK){
3734 TRACE("Could not load picture\n");
3735 return GenericError;
3736 }
3737
3738 /* FIXME: missing initialization code */
3739 *image = GdipAlloc(sizeof(GpMetafile));
3740 if(!*image) return OutOfMemory;
3741 (*image)->type = ImageTypeMetafile;
3742 (*image)->stream = NULL;
3743 (*image)->picture = pic;
3744 (*image)->flags = ImageFlagsNone;
3745 (*image)->frame_count = 1;
3746 (*image)->current_frame = 0;
3747 (*image)->palette = NULL;
3748
3749 TRACE("<-- %p\n", *image);
3750
3751 return Ok;
3752 }
3753
3754 typedef GpStatus (*encode_image_func)(GpImage *image, IStream* stream,
3755 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params);
3756
3757 typedef GpStatus (*decode_image_func)(IStream *stream, REFCLSID clsid, UINT active_frame, GpImage **image);
3758
3759 typedef struct image_codec {
3760 ImageCodecInfo info;
3761 encode_image_func encode_func;
3762 decode_image_func decode_func;
3763 } image_codec;
3764
3765 typedef enum {
3766 BMP,
3767 JPEG,
3768 GIF,
3769 TIFF,
3770 EMF,
3771 WMF,
3772 PNG,
3773 ICO,
3774 NUM_CODECS
3775 } ImageFormat;
3776
3777 static const struct image_codec codecs[NUM_CODECS];
3778
3779 static GpStatus get_decoder_info(IStream* stream, const struct image_codec **result)
3780 {
3781 BYTE signature[8];
3782 const BYTE *pattern, *mask;
3783 LARGE_INTEGER seek;
3784 HRESULT hr;
3785 UINT bytesread;
3786 int i, j, sig;
3787
3788 /* seek to the start of the stream */
3789 seek.QuadPart = 0;
3790 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
3791 if (FAILED(hr)) return hresult_to_status(hr);
3792
3793 /* read the first 8 bytes */
3794 /* FIXME: This assumes all codecs have signatures <= 8 bytes in length */
3795 hr = IStream_Read(stream, signature, 8, &bytesread);
3796 if (FAILED(hr)) return hresult_to_status(hr);
3797 if (hr == S_FALSE || bytesread == 0) return GenericError;
3798
3799 for (i = 0; i < NUM_CODECS; i++) {
3800 if ((codecs[i].info.Flags & ImageCodecFlagsDecoder) &&
3801 bytesread >= codecs[i].info.SigSize)
3802 {
3803 for (sig=0; sig<codecs[i].info.SigCount; sig++)
3804 {
3805 pattern = &codecs[i].info.SigPattern[codecs[i].info.SigSize*sig];
3806 mask = &codecs[i].info.SigMask[codecs[i].info.SigSize*sig];
3807 for (j=0; j<codecs[i].info.SigSize; j++)
3808 if ((signature[j] & mask[j]) != pattern[j])
3809 break;
3810 if (j == codecs[i].info.SigSize)
3811 {
3812 *result = &codecs[i];
3813 return Ok;
3814 }
3815 }
3816 }
3817 }
3818
3819 TRACE("no match for %i byte signature %x %x %x %x %x %x %x %x\n", bytesread,
3820 signature[0],signature[1],signature[2],signature[3],
3821 signature[4],signature[5],signature[6],signature[7]);
3822
3823 return GenericError;
3824 }
3825
3826 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image, GDIPCONST GUID *dimensionID,
3827 UINT frame)
3828 {
3829 GpStatus stat;
3830 LARGE_INTEGER seek;
3831 HRESULT hr;
3832 const struct image_codec *codec = NULL;
3833 GpImage *new_image;
3834
3835 TRACE("(%p,%s,%u)\n", image, debugstr_guid(dimensionID), frame);
3836
3837 if (!image || !dimensionID)
3838 return InvalidParameter;
3839
3840 if (frame >= image->frame_count)
3841 {
3842 WARN("requested frame %u, but image has only %u\n", frame, image->frame_count);
3843 return InvalidParameter;
3844 }
3845
3846 if (image->type != ImageTypeBitmap && image->type != ImageTypeMetafile)
3847 {
3848 WARN("invalid image type %d\n", image->type);
3849 return InvalidParameter;
3850 }
3851
3852 if (image->current_frame == frame)
3853 return Ok;
3854
3855 if (!image->stream)
3856 {
3857 TRACE("image doesn't have an associated stream\n");
3858 return Ok;
3859 }
3860
3861 /* choose an appropriate image decoder */
3862 stat = get_decoder_info(image->stream, &codec);
3863 if (stat != Ok)
3864 {
3865 WARN("can't find decoder info\n");
3866 return stat;
3867 }
3868
3869 /* seek to the start of the stream */
3870 seek.QuadPart = 0;
3871 hr = IStream_Seek(image->stream, seek, STREAM_SEEK_SET, NULL);
3872 if (FAILED(hr))
3873 return hresult_to_status(hr);
3874
3875 /* call on the image decoder to do the real work */
3876 stat = codec->decode_func(image->stream, &codec->info.Clsid, frame, &new_image);
3877
3878 if (stat == Ok)
3879 {
3880 memcpy(&new_image->format, &codec->info.FormatID, sizeof(GUID));
3881 free_image_data(image);
3882 if (image->type == ImageTypeBitmap)
3883 *(GpBitmap *)image = *(GpBitmap *)new_image;
3884 else if (image->type == ImageTypeMetafile)
3885 *(GpMetafile *)image = *(GpMetafile *)new_image;
3886 new_image->type = ~0;
3887 GdipFree(new_image);
3888 return Ok;
3889 }
3890
3891 return stat;
3892 }
3893
3894 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream *stream, GpImage **image)
3895 {
3896 GpStatus stat;
3897 LARGE_INTEGER seek;
3898 HRESULT hr;
3899 const struct image_codec *codec=NULL;
3900
3901 /* choose an appropriate image decoder */
3902 stat = get_decoder_info(stream, &codec);
3903 if (stat != Ok) return stat;
3904
3905 /* seek to the start of the stream */
3906 seek.QuadPart = 0;
3907 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
3908 if (FAILED(hr)) return hresult_to_status(hr);
3909
3910 /* call on the image decoder to do the real work */
3911 stat = codec->decode_func(stream, &codec->info.Clsid, 0, image);
3912
3913 /* take note of the original data format */
3914 if (stat == Ok)
3915 {
3916 memcpy(&(*image)->format, &codec->info.FormatID, sizeof(GUID));
3917 return Ok;
3918 }
3919
3920 return stat;
3921 }
3922
3923 /* FIXME: no ICM */
3924 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
3925 {
3926 TRACE("%p %p\n", stream, image);
3927
3928 return GdipLoadImageFromStream(stream, image);
3929 }
3930
3931 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
3932 {
3933 static int calls;
3934
3935 TRACE("(%p,%u)\n", image, propId);
3936
3937 if(!image)
3938 return InvalidParameter;
3939
3940 if(!(calls++))
3941 FIXME("not implemented\n");
3942
3943 return NotImplemented;
3944 }
3945
3946 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
3947 {
3948 static int calls;
3949
3950 if (!image || !item) return InvalidParameter;
3951
3952 TRACE("(%p,%p:%#x,%u,%u,%p)\n", image, item, item->id, item->type, item->length, item->value);
3953
3954 if(!(calls++))
3955 FIXME("not implemented\n");
3956
3957 return Ok;
3958 }
3959
3960 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
3961 GDIPCONST CLSID *clsidEncoder,
3962 GDIPCONST EncoderParameters *encoderParams)
3963 {
3964 GpStatus stat;
3965 IStream *stream;
3966
3967 TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
3968
3969 if (!image || !filename|| !clsidEncoder)
3970 return InvalidParameter;
3971
3972 stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
3973 if (stat != Ok)
3974 return GenericError;
3975
3976 stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
3977
3978 IStream_Release(stream);
3979 return stat;
3980 }
3981
3982 /*************************************************************************
3983 * Encoding functions -
3984 * These functions encode an image in different image file formats.
3985 */
3986 #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
3987 #define BITMAP_FORMAT_JPEG 0xd8ff
3988 #define BITMAP_FORMAT_GIF 0x4947
3989 #define BITMAP_FORMAT_PNG 0x5089
3990 #define BITMAP_FORMAT_APM 0xcdd7
3991
3992 static GpStatus encode_image_WIC(GpImage *image, IStream* stream,
3993 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3994 {
3995 GpStatus stat;
3996 GpBitmap *bitmap;
3997 IWICBitmapEncoder *encoder;
3998 IWICBitmapFrameEncode *frameencode;
3999 IPropertyBag2 *encoderoptions;
4000 HRESULT hr;
4001 UINT width, height;
4002 PixelFormat gdipformat=0;
4003 WICPixelFormatGUID wicformat;
4004 GpRect rc;
4005 BitmapData lockeddata;
4006 HRESULT initresult;
4007 UINT i;
4008
4009 if (image->type != ImageTypeBitmap)
4010 return GenericError;
4011
4012 bitmap = (GpBitmap*)image;
4013
4014 GdipGetImageWidth(image, &width);
4015 GdipGetImageHeight(image, &height);
4016
4017 rc.X = 0;
4018 rc.Y = 0;
4019 rc.Width = width;
4020 rc.Height = height;
4021
4022 initresult = CoInitialize(NULL);
4023
4024 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
4025 &IID_IWICBitmapEncoder, (void**)&encoder);
4026 if (FAILED(hr))
4027 {
4028 if (SUCCEEDED(initresult)) CoUninitialize();
4029 return hresult_to_status(hr);
4030 }
4031
4032 hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache);
4033
4034 if (SUCCEEDED(hr))
4035 {
4036 hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
4037 }
4038
4039 if (SUCCEEDED(hr)) /* created frame */
4040 {
4041 hr = IWICBitmapFrameEncode_Initialize(frameencode, encoderoptions);
4042
4043 if (SUCCEEDED(hr))
4044 hr = IWICBitmapFrameEncode_SetSize(frameencode, width, height);
4045
4046 if (SUCCEEDED(hr))
4047 hr = IWICBitmapFrameEncode_SetResolution(frameencode, image->xres, image->yres);
4048
4049 if (SUCCEEDED(hr))
4050 {
4051 for (i=0; pixel_formats[i].wic_format; i++)
4052 {
4053 if (pixel_formats[i].gdip_format == bitmap->format)
4054 {
4055 memcpy(&wicformat, pixel_formats[i].wic_format, sizeof(GUID));
4056 gdipformat = bitmap->format;
4057 break;
4058 }
4059 }
4060 if (!gdipformat)
4061 {
4062 memcpy(&wicformat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
4063 gdipformat = PixelFormat32bppARGB;
4064 }
4065
4066 hr = IWICBitmapFrameEncode_SetPixelFormat(frameencode, &wicformat);
4067 }
4068
4069 if (SUCCEEDED(hr))
4070 {
4071 stat = GdipBitmapLockBits(bitmap, &rc, ImageLockModeRead, gdipformat,
4072 &lockeddata);
4073
4074 if (stat == Ok)
4075 {
4076 UINT row_size = (lockeddata.Width * PIXELFORMATBPP(gdipformat) + 7)/8;
4077 BYTE *row;
4078
4079 /* write one row at a time in case stride is negative */
4080 row = lockeddata.Scan0;
4081 for (i=0; i<lockeddata.Height; i++)
4082 {
4083 hr = IWICBitmapFrameEncode_WritePixels(frameencode, 1, row_size, row_size, row);
4084 if (FAILED(hr)) break;
4085 row += lockeddata.Stride;
4086 }
4087
4088 GdipBitmapUnlockBits(bitmap, &lockeddata);
4089 }
4090 else
4091 hr = E_FAIL;
4092 }
4093
4094 if (SUCCEEDED(hr))
4095 hr = IWICBitmapFrameEncode_Commit(frameencode);
4096
4097 IWICBitmapFrameEncode_Release(frameencode);
4098 IPropertyBag2_Release(encoderoptions);
4099 }
4100
4101 if (SUCCEEDED(hr))
4102 hr = IWICBitmapEncoder_Commit(encoder);
4103
4104 IWICBitmapEncoder_Release(encoder);
4105
4106 if (SUCCEEDED(initresult)) CoUninitialize();
4107
4108 return hresult_to_status(hr);
4109 }
4110
4111 static GpStatus encode_image_BMP(GpImage *image, IStream* stream,
4112 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
4113 {
4114 return encode_image_WIC(image, stream, &CLSID_WICBmpEncoder, params);
4115 }
4116
4117 static GpStatus encode_image_tiff(GpImage *image, IStream* stream,
4118 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
4119 {
4120 return encode_image_WIC(image, stream, &CLSID_WICTiffEncoder, params);
4121 }
4122
4123 static GpStatus encode_image_png(GpImage *image, IStream* stream,
4124 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
4125 {
4126 return encode_image_WIC(image, stream, &CLSID_WICPngEncoder, params);
4127 }
4128
4129 static GpStatus encode_image_jpeg(GpImage *image, IStream* stream,
4130 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
4131 {
4132 return encode_image_WIC(image, stream, &CLSID_WICJpegEncoder, params);
4133 }
4134
4135 /*****************************************************************************
4136 * GdipSaveImageToStream [GDIPLUS.@]
4137 */
4138 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
4139 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
4140 {
4141 GpStatus stat;
4142 encode_image_func encode_image;
4143 int i;
4144
4145 TRACE("%p %p %p %p\n", image, stream, clsid, params);
4146
4147 if(!image || !stream)
4148 return InvalidParameter;
4149
4150 /* select correct encoder */
4151 encode_image = NULL;
4152 for (i = 0; i < NUM_CODECS; i++) {
4153 if ((codecs[i].info.Flags & ImageCodecFlagsEncoder) &&
4154 IsEqualCLSID(clsid, &codecs[i].info.Clsid))
4155 encode_image = codecs[i].encode_func;
4156 }
4157 if (encode_image == NULL)
4158 return UnknownImageFormat;
4159
4160 stat = encode_image(image, stream, clsid, params);
4161
4162 return stat;
4163 }
4164
4165 /*****************************************************************************
4166 * GdipSaveAdd [GDIPLUS.@]
4167 */
4168 GpStatus WINGDIPAPI GdipSaveAdd(GpImage *image, GDIPCONST EncoderParameters *params)
4169 {
4170 FIXME("(%p,%p): stub\n", image, params);
4171 return Ok;
4172 }
4173
4174 /*****************************************************************************
4175 * GdipGetImagePalette [GDIPLUS.@]
4176 */
4177 GpStatus WINGDIPAPI GdipGetImagePalette(GpImage *image, ColorPalette *palette, INT size)
4178 {
4179 INT count;
4180
4181 TRACE("(%p,%p,%i)\n", image, palette, size);
4182
4183 if (!image || !palette)
4184 return InvalidParameter;
4185
4186 count = image->palette ? image->palette->Count : 0;
4187
4188 if (size < (sizeof(UINT)*2+sizeof(ARGB)*count))
4189 {
4190 TRACE("<-- InsufficientBuffer\n");
4191 return InsufficientBuffer;
4192 }
4193
4194 if (image->palette)
4195 {
4196 palette->Flags = image->palette->Flags;
4197 palette->Count = image->palette->Count;
4198 memcpy(palette->Entries, image->palette->Entries, sizeof(ARGB)*image->palette->Count);
4199 }
4200 else
4201 {
4202 palette->Flags = 0;
4203 palette->Count = 0;
4204 }
4205 return Ok;
4206 }
4207
4208 /*****************************************************************************
4209 * GdipSetImagePalette [GDIPLUS.@]
4210 */
4211 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
4212 GDIPCONST ColorPalette *palette)
4213 {
4214 ColorPalette *new_palette;
4215
4216 TRACE("(%p,%p)\n", image, palette);
4217
4218 if(!image || !palette || palette->Count > 256)
4219 return InvalidParameter;
4220
4221 new_palette = GdipAlloc(2 * sizeof(UINT) + palette->Count * sizeof(ARGB));
4222 if (!new_palette) return OutOfMemory;
4223
4224 GdipFree(image->palette);
4225 image->palette = new_palette;
4226 image->palette->Flags = palette->Flags;
4227 image->palette->Count = palette->Count;
4228 memcpy(image->palette->Entries, palette->Entries, sizeof(ARGB)*palette->Count);
4229
4230 return Ok;
4231 }
4232
4233 /*************************************************************************
4234 * Encoders -
4235 * Structures that represent which formats we support for encoding.
4236 */
4237
4238 /* ImageCodecInfo creation routines taken from libgdiplus */
4239 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
4240 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
4241 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
4242 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
4243 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
4244 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
4245
4246 static const WCHAR jpeg_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0};
4247 static const WCHAR jpeg_extension[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0};
4248 static const WCHAR jpeg_mimetype[] = {'i','m','a','g','e','/','j','p','e','g', 0};
4249 static const WCHAR jpeg_format[] = {'J','P','E','G',0};
4250 static const BYTE jpeg_sig_pattern[] = { 0xFF, 0xD8 };
4251 static const BYTE jpeg_sig_mask[] = { 0xFF, 0xFF };
4252
4253 static const WCHAR gif_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0};
4254 static const WCHAR gif_extension[] = {'*','.','G','I','F',0};
4255 static const WCHAR gif_mimetype[] = {'i','m','a','g','e','/','g','i','f', 0};
4256 static const WCHAR gif_format[] = {'G','I','F',0};
4257 static const BYTE gif_sig_pattern[12] = "GIF87aGIF89a";
4258 static const BYTE gif_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4259
4260 static const WCHAR tiff_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'T','I','F','F', 0};
4261 static const WCHAR tiff_extension[] = {'*','.','T','I','F','F',';','*','.','T','I','F',0};
4262 static const WCHAR tiff_mimetype[] = {'i','m','a','g','e','/','t','i','f','f', 0};
4263 static const WCHAR tiff_format[] = {'T','I','F','F',0};
4264 static const BYTE tiff_sig_pattern[] = {0x49,0x49,42,0,0x4d,0x4d,0,42};
4265 static const BYTE tiff_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4266
4267 static const WCHAR emf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0};
4268 static const WCHAR emf_extension[] = {'*','.','E','M','F',0};
4269 static const WCHAR emf_mimetype[] = {'i','m','a','g','e','/','x','-','e','m','f', 0};
4270 static const WCHAR emf_format[] = {'E','M','F',0};
4271 static const BYTE emf_sig_pattern[] = { 0x01, 0x00, 0x00, 0x00 };
4272 static const BYTE emf_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
4273
4274 static const WCHAR wmf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0};
4275 static const WCHAR wmf_extension[] = {'*','.','W','M','F',0};
4276 static const WCHAR wmf_mimetype[] = {'i','m','a','g','e','/','x','-','w','m','f', 0};
4277 static const WCHAR wmf_format[] = {'W','M','F',0};
4278 static const BYTE wmf_sig_pattern[] = { 0xd7, 0xcd };
4279 static const BYTE wmf_sig_mask[] = { 0xFF, 0xFF };
4280
4281 static const WCHAR png_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0};
4282 static const WCHAR png_extension[] = {'*','.','P','N','G',0};
4283 static const WCHAR png_mimetype[] = {'i','m','a','g','e','/','p','n','g', 0};
4284 static const WCHAR png_format[] = {'P','N','G',0};
4285 static const BYTE png_sig_pattern[] = { 137, 80, 78, 71, 13, 10, 26, 10, };
4286 static const BYTE png_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
4287
4288 static const WCHAR ico_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0};
4289 static const WCHAR ico_extension[] = {'*','.','I','C','O',0};
4290 static const WCHAR ico_mimetype[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0};
4291 static const WCHAR ico_format[] = {'I','C','O',0};
4292 static const BYTE ico_sig_pattern[] = { 0x00, 0x00, 0x01, 0x00 };
4293 static const BYTE ico_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
4294
4295 static const struct image_codec codecs[NUM_CODECS] = {
4296 {
4297 { /* BMP */
4298 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4299 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4300 /* CodecName */ bmp_codecname,
4301 /* DllName */ NULL,
4302 /* FormatDescription */ bmp_format,
4303 /* FilenameExtension */ bmp_extension,
4304 /* MimeType */ bmp_mimetype,
4305 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
4306 /* Version */ 1,
4307 /* SigCount */ 1,
4308 /* SigSize */ 2,
4309 /* SigPattern */ bmp_sig_pattern,
4310 /* SigMask */ bmp_sig_mask,
4311 },
4312 encode_image_BMP,
4313 decode_image_bmp
4314 },
4315 {
4316 { /* JPEG */
4317 /* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4318 /* FormatID */ { 0xb96b3caeU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4319 /* CodecName */ jpeg_codecname,
4320 /* DllName */ NULL,
4321 /* FormatDescription */ jpeg_format,
4322 /* FilenameExtension */ jpeg_extension,
4323 /* MimeType */ jpeg_mimetype,
4324 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
4325 /* Version */ 1,
4326 /* SigCount */ 1,
4327 /* SigSize */ 2,
4328 /* SigPattern */ jpeg_sig_pattern,
4329 /* SigMask */ jpeg_sig_mask,
4330 },
4331 encode_image_jpeg,
4332 decode_image_jpeg
4333 },
4334 {
4335 { /* GIF */
4336 /* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4337 /* FormatID */ { 0xb96b3cb0U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4338 /* CodecName */ gif_codecname,
4339 /* DllName */ NULL,
4340 /* FormatDescription */ gif_format,
4341 /* FilenameExtension */ gif_extension,
4342 /* MimeType */ gif_mimetype,
4343 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
4344 /* Version */ 1,
4345 /* SigCount */ 2,
4346 /* SigSize */ 6,
4347 /* SigPattern */ gif_sig_pattern,
4348 /* SigMask */ gif_sig_mask,
4349 },
4350 NULL,
4351 decode_image_gif
4352 },
4353 {
4354 { /* TIFF */
4355 /* Clsid */ { 0x557cf405, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4356 /* FormatID */ { 0xb96b3cb1U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4357 /* CodecName */ tiff_codecname,
4358 /* DllName */ NULL,
4359 /* FormatDescription */ tiff_format,
4360 /* FilenameExtension */ tiff_extension,
4361 /* MimeType */ tiff_mimetype,
4362 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsEncoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
4363 /* Version */ 1,
4364 /* SigCount */ 2,
4365 /* SigSize */ 4,
4366 /* SigPattern */ tiff_sig_pattern,
4367 /* SigMask */ tiff_sig_mask,
4368 },
4369 encode_image_tiff,
4370 decode_image_tiff
4371 },
4372 {
4373 { /* EMF */
4374 /* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4375 /* FormatID */ { 0xb96b3cacU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4376 /* CodecName */ emf_codecname,
4377 /* DllName */ NULL,
4378 /* FormatDescription */ emf_format,
4379 /* FilenameExtension */ emf_extension,
4380 /* MimeType */ emf_mimetype,
4381 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
4382 /* Version */ 1,
4383 /* SigCount */ 1,
4384 /* SigSize */ 4,
4385 /* SigPattern */ emf_sig_pattern,
4386 /* SigMask */ emf_sig_mask,
4387 },
4388 NULL,
4389 decode_image_olepicture_metafile
4390 },
4391 {
4392 { /* WMF */
4393 /* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4394 /* FormatID */ { 0xb96b3cadU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4395 /* CodecName */ wmf_codecname,
4396 /* DllName */ NULL,
4397 /* FormatDescription */ wmf_format,
4398 /* FilenameExtension */ wmf_extension,
4399 /* MimeType */ wmf_mimetype,
4400 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
4401 /* Version */ 1,
4402 /* SigCount */ 1,
4403 /* SigSize */ 2,
4404 /* SigPattern */ wmf_sig_pattern,
4405 /* SigMask */ wmf_sig_mask,
4406 },
4407 NULL,
4408 decode_image_olepicture_metafile
4409 },
4410 {
4411 { /* PNG */
4412 /* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4413 /* FormatID */ { 0xb96b3cafU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4414 /* CodecName */ png_codecname,
4415 /* DllName */ NULL,
4416 /* FormatDescription */ png_format,
4417 /* FilenameExtension */ png_extension,
4418 /* MimeType */ png_mimetype,
4419 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
4420 /* Version */ 1,
4421 /* SigCount */ 1,
4422 /* SigSize */ 8,
4423 /* SigPattern */ png_sig_pattern,
4424 /* SigMask */ png_sig_mask,
4425 },
4426 encode_image_png,
4427 decode_image_png
4428 },
4429 {
4430 { /* ICO */
4431 /* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
4432 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
4433 /* CodecName */ ico_codecname,
4434 /* DllName */ NULL,
4435 /* FormatDescription */ ico_format,
4436 /* FilenameExtension */ ico_extension,
4437 /* MimeType */ ico_mimetype,
4438 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
4439 /* Version */ 1,
4440 /* SigCount */ 1,
4441 /* SigSize */ 4,
4442 /* SigPattern */ ico_sig_pattern,
4443 /* SigMask */ ico_sig_mask,
4444 },
4445 NULL,
4446 decode_image_icon
4447 },
4448 };
4449
4450 /*****************************************************************************
4451 * GdipGetImageDecodersSize [GDIPLUS.@]
4452 */
4453 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
4454 {
4455 int decoder_count=0;
4456 int i;
4457 TRACE("%p %p\n", numDecoders, size);
4458
4459 if (!numDecoders || !size)
4460 return InvalidParameter;
4461
4462 for (i=0; i<NUM_CODECS; i++)
4463 {
4464 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
4465 decoder_count++;
4466 }
4467
4468 *numDecoders = decoder_count;
4469 *size = decoder_count * sizeof(ImageCodecInfo);
4470
4471 return Ok;
4472 }
4473
4474 /*****************************************************************************
4475 * GdipGetImageDecoders [GDIPLUS.@]
4476 */
4477 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
4478 {
4479 int i, decoder_count=0;
4480 TRACE("%u %u %p\n", numDecoders, size, decoders);
4481
4482 if (!decoders ||
4483 size != numDecoders * sizeof(ImageCodecInfo))
4484 return GenericError;
4485
4486 for (i=0; i<NUM_CODECS; i++)
4487 {
4488 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
4489 {
4490 if (decoder_count == numDecoders) return GenericError;
4491 memcpy(&decoders[decoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
4492 decoder_count++;
4493 }
4494 }
4495
4496 if (decoder_count < numDecoders) return GenericError;
4497
4498 return Ok;
4499 }
4500
4501 /*****************************************************************************
4502 * GdipGetImageEncodersSize [GDIPLUS.@]
4503 */
4504 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
4505 {
4506 int encoder_count=0;
4507 int i;
4508 TRACE("%p %p\n", numEncoders, size);
4509
4510 if (!numEncoders || !size)
4511 return InvalidParameter;
4512
4513 for (i=0; i<NUM_CODECS; i++)
4514 {
4515 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
4516 encoder_count++;
4517 }
4518
4519 *numEncoders = encoder_count;
4520 *size = encoder_count * sizeof(ImageCodecInfo);
4521
4522 return Ok;
4523 }
4524
4525 /*****************************************************************************
4526 * GdipGetImageEncoders [GDIPLUS.@]
4527 */
4528 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
4529 {
4530 int i, encoder_count=0;
4531 TRACE("%u %u %p\n", numEncoders, size, encoders);
4532
4533 if (!encoders ||
4534 size != numEncoders * sizeof(ImageCodecInfo))
4535 return GenericError;
4536
4537 for (i=0; i<NUM_CODECS; i++)
4538 {
4539 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
4540 {
4541 if (encoder_count == numEncoders) return GenericError;
4542 memcpy(&encoders[encoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
4543 encoder_count++;
4544 }
4545 }
4546
4547 if (encoder_count < numEncoders) return GenericError;
4548
4549 return Ok;
4550 }
4551
4552 GpStatus WINGDIPAPI GdipGetEncoderParameterListSize(GpImage *image,
4553 GDIPCONST CLSID* clsidEncoder, UINT *size)
4554 {
4555 static int calls;
4556
4557 TRACE("(%p,%s,%p)\n", image, debugstr_guid(clsidEncoder), size);
4558
4559 if(!(calls++))
4560 FIXME("not implemented\n");
4561
4562 *size = 0;
4563
4564 return NotImplemented;
4565 }
4566
4567 static PixelFormat get_16bpp_format(HBITMAP hbm)
4568 {
4569 BITMAPV4HEADER bmh;
4570 HDC hdc;
4571 PixelFormat result;
4572
4573 hdc = CreateCompatibleDC(NULL);
4574
4575 memset(&bmh, 0, sizeof(bmh));
4576 bmh.bV4Size = sizeof(bmh);
4577 bmh.bV4Width = 1;
4578 bmh.bV4Height = 1;
4579 bmh.bV4V4Compression = BI_BITFIELDS;
4580 bmh.bV4BitCount = 16;
4581
4582 GetDIBits(hdc, hbm, 0, 0, NULL, (BITMAPINFO*)&bmh, DIB_RGB_COLORS);
4583
4584 if (bmh.bV4RedMask == 0x7c00 &&
4585 bmh.bV4GreenMask == 0x3e0 &&
4586 bmh.bV4BlueMask == 0x1f)
4587 {
4588 result = PixelFormat16bppRGB555;
4589 }
4590 else if (bmh.bV4RedMask == 0xf800 &&
4591 bmh.bV4GreenMask == 0x7e0 &&
4592 bmh.bV4BlueMask == 0x1f)
4593 {
4594 result = PixelFormat16bppRGB565;
4595 }
4596 else
4597 {
4598 FIXME("unrecognized bitfields %x,%x,%x\n", bmh.bV4RedMask,
4599 bmh.bV4GreenMask, bmh.bV4BlueMask);
4600 result = PixelFormatUndefined;
4601 }
4602
4603 DeleteDC(hdc);
4604
4605 return result;
4606 }
4607
4608 /*****************************************************************************
4609 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
4610 */
4611 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
4612 {
4613 BITMAP bm;
4614 GpStatus retval;
4615 PixelFormat format;
4616 BitmapData lockeddata;
4617 INT y;
4618
4619 TRACE("%p %p %p\n", hbm, hpal, bitmap);
4620
4621 if(!hbm || !bitmap)
4622 return InvalidParameter;
4623
4624 if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
4625 return InvalidParameter;
4626
4627 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
4628 switch(bm.bmBitsPixel) {
4629 case 1:
4630 format = PixelFormat1bppIndexed;
4631 break;
4632 case 4:
4633 format = PixelFormat4bppIndexed;
4634 break;
4635 case 8:
4636 format = PixelFormat8bppIndexed;
4637 break;
4638 case 16:
4639 format = get_16bpp_format(hbm);
4640 if (format == PixelFormatUndefined)
4641 return InvalidParameter;
4642 break;
4643 case 24:
4644 format = PixelFormat24bppRGB;
4645 break;
4646 case 32:
4647 format = PixelFormat32bppRGB;
4648 break;
4649 case 48:
4650 format = PixelFormat48bppRGB;
4651 break;
4652 default:
4653 FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
4654 return InvalidParameter;
4655 }
4656
4657 retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, 0,
4658 format, NULL, bitmap);
4659
4660 if (retval == Ok)
4661 {
4662 retval = GdipBitmapLockBits(*bitmap, NULL, ImageLockModeWrite,
4663 format, &lockeddata);
4664 if (retval == Ok)
4665 {
4666 if (bm.bmBits)
4667 {
4668 for (y=0; y<bm.bmHeight; y++)
4669 {
4670 memcpy((BYTE*)lockeddata.Scan0+lockeddata.Stride*y,
4671 (BYTE*)bm.bmBits+bm.bmWidthBytes*(bm.bmHeight-1-y),
4672 bm.bmWidthBytes);
4673 }
4674 }
4675 else
4676 {
4677 HDC hdc;
4678 HBITMAP oldhbm;
4679 BITMAPINFO *pbmi;
4680 INT src_height, dst_stride;
4681 BYTE *dst_bits;
4682
4683 hdc = CreateCompatibleDC(NULL);
4684 oldhbm = SelectObject(hdc, hbm);
4685
4686 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
4687
4688 if (pbmi)
4689 {
4690 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
4691 pbmi->bmiHeader.biBitCount = 0;
4692
4693 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
4694
4695 src_height = abs(pbmi->bmiHeader.biHeight);
4696
4697 if (pbmi->bmiHeader.biHeight > 0)
4698 {
4699 dst_bits = (BYTE*)lockeddata.Scan0+lockeddata.Stride*(src_height-1);
4700 dst_stride = -lockeddata.Stride;
4701 }
4702 else
4703 {
4704 dst_bits = lockeddata.Scan0;
4705 dst_stride = lockeddata.Stride;
4706 }
4707
4708 for (y=0; y<src_height; y++)
4709 {
4710 GetDIBits(hdc, hbm, y, 1, dst_bits+dst_stride*y,
4711 pbmi, DIB_RGB_COLORS);
4712 }
4713
4714 GdipFree(pbmi);
4715 }
4716 else
4717 retval = OutOfMemory;
4718
4719 SelectObject(hdc, oldhbm);
4720 DeleteDC(hdc);
4721 }
4722
4723 GdipBitmapUnlockBits(*bitmap, &lockeddata);
4724 }
4725
4726 if (retval == Ok && hpal)
4727 {
4728 WORD num_palette_entries;
4729 PALETTEENTRY *palette_entries=NULL;
4730 ColorPalette *palette=NULL;
4731 int i;
4732
4733 if (!GetObjectW(hpal, sizeof(num_palette_entries), &num_palette_entries))
4734 retval = GenericError;
4735
4736 if (retval == Ok)
4737 {
4738 palette_entries = GdipAlloc(sizeof(PALETTEENTRY) * num_palette_entries);
4739 palette = GdipAlloc(sizeof(ColorPalette) + sizeof(ARGB) * (num_palette_entries-1));
4740
4741 if (!palette_entries || !palette)
4742 retval = OutOfMemory;
4743 }
4744
4745 if (retval == Ok)
4746 {
4747 if (!GetPaletteEntries(hpal, 0, num_palette_entries, palette_entries))
4748 retval = GenericError;
4749 }
4750
4751 if (retval == Ok)
4752 {
4753 palette->Flags = 0;
4754 palette->Count = num_palette_entries;
4755
4756 for (i=0; i<num_palette_entries; i++)
4757 {
4758 PALETTEENTRY * entry = &palette_entries[i];
4759 palette->Entries[i] = 0xff000000 | entry->peRed << 16 |
4760 entry->peGreen << 8 | entry->peBlue;
4761 }
4762
4763 retval = GdipSetImagePalette((GpImage*)*bitmap, palette);
4764 }
4765
4766 GdipFree(palette_entries);
4767 GdipFree(palette);
4768 }
4769
4770 if (retval != Ok)
4771 {
4772 GdipDisposeImage((GpImage*)*bitmap);
4773 *bitmap = NULL;
4774 }
4775 }
4776
4777 return retval;
4778 }
4779
4780 GpStatus WINGDIPAPI GdipDeleteEffect(CGpEffect *effect)
4781 {
4782 FIXME("(%p): stub\n", effect);
4783 /* note: According to Jose Roca's GDI+ Docs, this is not implemented
4784 * in Windows's gdiplus */
4785 return NotImplemented;
4786 }
4787
4788 /*****************************************************************************
4789 * GdipSetEffectParameters [GDIPLUS.@]
4790 */
4791 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
4792 const VOID *params, const UINT size)
4793 {
4794 static int calls;
4795
4796 TRACE("(%p,%p,%u)\n", effect, params, size);
4797
4798 if(!(calls++))
4799 FIXME("not implemented\n");
4800
4801 return NotImplemented;
4802 }
4803
4804 /*****************************************************************************
4805 * GdipGetImageFlags [GDIPLUS.@]
4806 */
4807 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
4808 {
4809 TRACE("%p %p\n", image, flags);
4810
4811 if(!image || !flags)
4812 return InvalidParameter;
4813
4814 *flags = image->flags;
4815
4816 return Ok;
4817 }
4818
4819 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
4820 {
4821 TRACE("(%d, %p)\n", control, param);
4822
4823 switch(control){
4824 case TestControlForceBilinear:
4825 if(param)
4826 FIXME("TestControlForceBilinear not handled\n");
4827 break;
4828 case TestControlNoICM:
4829 if(param)
4830 FIXME("TestControlNoICM not handled\n");
4831 break;
4832 case TestControlGetBuildNumber:
4833 *((DWORD*)param) = 3102;
4834 break;
4835 }
4836
4837 return Ok;
4838 }
4839
4840 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
4841 HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
4842 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
4843 GpMetafile **metafile)
4844 {
4845 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
4846 frameUnit, debugstr_w(desc), metafile);
4847
4848 return NotImplemented;
4849 }
4850
4851 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
4852 GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
4853 GDIPCONST WCHAR *desc, GpMetafile **metafile)
4854 {
4855 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
4856 frameUnit, debugstr_w(desc), metafile);
4857
4858 return NotImplemented;
4859 }
4860
4861 GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
4862 {
4863 TRACE("%p\n", image);
4864
4865 return Ok;
4866 }
4867
4868 /*****************************************************************************
4869 * GdipGetImageThumbnail [GDIPLUS.@]
4870 */
4871 GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT height,
4872 GpImage **ret_image, GetThumbnailImageAbort cb,
4873 VOID * cb_data)
4874 {
4875 GpStatus stat;
4876 GpGraphics *graphics;
4877 UINT srcwidth, srcheight;
4878
4879 TRACE("(%p %u %u %p %p %p)\n",
4880 image, width, height, ret_image, cb, cb_data);
4881
4882 if (!image || !ret_image)
4883 return InvalidParameter;
4884
4885 if (!width) width = 120;
4886 if (!height) height = 120;
4887
4888 GdipGetImageWidth(image, &srcwidth);
4889 GdipGetImageHeight(image, &srcheight);
4890
4891 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppPARGB,
4892 NULL, (GpBitmap**)ret_image);
4893
4894 if (stat == Ok)
4895 {
4896 stat = GdipGetImageGraphicsContext(*ret_image, &graphics);
4897
4898 if (stat == Ok)
4899 {
4900 stat = GdipDrawImageRectRectI(graphics, image,
4901 0, 0, width, height, 0, 0, srcwidth, srcheight, UnitPixel,
4902 NULL, NULL, NULL);
4903
4904 GdipDeleteGraphics(graphics);
4905 }
4906
4907 if (stat != Ok)
4908 {
4909 GdipDisposeImage(*ret_image);
4910 *ret_image = NULL;
4911 }
4912 }
4913
4914 return stat;
4915 }
4916
4917 /*****************************************************************************
4918 * GdipImageRotateFlip [GDIPLUS.@]
4919 */
4920 GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type)
4921 {
4922 GpBitmap *new_bitmap;
4923 GpBitmap *bitmap;
4924 int bpp, bytesperpixel;
4925 int rotate_90, flip_x, flip_y;
4926 int src_x_offset, src_y_offset;
4927 LPBYTE src_origin;
4928 UINT x, y, width, height;
4929 BitmapData src_lock, dst_lock;
4930 GpStatus stat;
4931
4932 TRACE("(%p, %u)\n", image, type);
4933
4934 if (!image)
4935 return InvalidParameter;
4936
4937 rotate_90 = type&1;
4938 flip_x = (type&6) == 2 || (type&6) == 4;
4939 flip_y = (type&3) == 1 || (type&3) == 2;
4940
4941 if (image->type != ImageTypeBitmap)
4942 {
4943 FIXME("Not implemented for type %i\n", image->type);
4944 return NotImplemented;
4945 }
4946
4947 bitmap = (GpBitmap*)image;
4948 bpp = PIXELFORMATBPP(bitmap->format);
4949
4950 if (bpp < 8)
4951 {
4952 FIXME("Not implemented for %i bit images\n", bpp);
4953 return NotImplemented;
4954 }
4955
4956 if (rotate_90)
4957 {
4958 width = bitmap->height;
4959 height = bitmap->width;
4960 }
4961 else
4962 {
4963 width = bitmap->width;
4964 height = bitmap->height;
4965 }
4966
4967 bytesperpixel = bpp/8;
4968
4969 stat = GdipCreateBitmapFromScan0(width, height, 0, bitmap->format, NULL, &new_bitmap);
4970
4971 if (stat != Ok)
4972 return stat;
4973
4974 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, &src_lock);
4975
4976 if (stat == Ok)
4977 {
4978 stat = GdipBitmapLockBits(new_bitmap, NULL, ImageLockModeWrite, bitmap->format, &dst_lock);
4979
4980 if (stat == Ok)
4981 {
4982 LPBYTE src_row, src_pixel;
4983 LPBYTE dst_row, dst_pixel;
4984
4985 src_origin = src_lock.Scan0;
4986 if (flip_x) src_origin += bytesperpixel * (bitmap->width - 1);
4987 if (flip_y) src_origin += src_lock.Stride * (bitmap->height - 1);
4988
4989 if (rotate_90)
4990 {
4991 if (flip_y) src_x_offset = -src_lock.Stride;
4992 else src_x_offset = src_lock.Stride;
4993 if (flip_x) src_y_offset = -bytesperpixel;
4994 else src_y_offset = bytesperpixel;
4995 }
4996 else
4997 {
4998 if (flip_x) src_x_offset = -bytesperpixel;
4999 else src_x_offset = bytesperpixel;
5000 if (flip_y) src_y_offset = -src_lock.Stride;
5001 else src_y_offset = src_lock.Stride;
5002 }
5003
5004 src_row = src_origin;
5005 dst_row = dst_lock.Scan0;
5006 for (y=0; y<height; y++)
5007 {
5008 src_pixel = src_row;
5009 dst_pixel = dst_row;
5010 for (x=0; x<width; x++)
5011 {
5012 /* FIXME: This could probably be faster without memcpy. */
5013 memcpy(dst_pixel, src_pixel, bytesperpixel);
5014 dst_pixel += bytesperpixel;
5015 src_pixel += src_x_offset;
5016 }
5017 src_row += src_y_offset;
5018 dst_row += dst_lock.Stride;
5019 }
5020
5021 GdipBitmapUnlockBits(new_bitmap, &dst_lock);
5022 }
5023
5024 GdipBitmapUnlockBits(bitmap, &src_lock);
5025 }
5026
5027 if (stat == Ok)
5028 move_bitmap(bitmap, new_bitmap, FALSE);
5029 else
5030 GdipDisposeImage((GpImage*)new_bitmap);
5031
5032 return stat;
5033 }
5034
5035 /*****************************************************************************
5036 * GdipConvertToEmfPlusToFile [GDIPLUS.@]
5037 */
5038
5039 GpStatus WINGDIPAPI GdipConvertToEmfPlusToFile(const GpGraphics* refGraphics,
5040 GpMetafile* metafile, BOOL* conversionSuccess,
5041 const WCHAR* filename, EmfType emfType,
5042 const WCHAR* description, GpMetafile** out_metafile)
5043 {
5044 FIXME("stub: %p, %p, %p, %p, %u, %p, %p\n", refGraphics, metafile, conversionSuccess, filename, emfType, description, out_metafile);
5045 return NotImplemented;
5046 }
Windows API implementation