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push 091faec692ac84fbc736a6b002e76f7e78d28f7b
[wine/hacks.git] / dlls / gdiplus / image.c
blobca3f0b694aa4edd6845d0667ca07e629f29c9543
1 /*
2 * Copyright (C) 2007 Google (Evan Stade)
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include <stdarg.h>
20
21 #define NONAMELESSUNION
22
23 #include "windef.h"
24 #include "winbase.h"
25 #include "winuser.h"
26 #include "wingdi.h"
27
28 #define COBJMACROS
29 #include "objbase.h"
30 #include "olectl.h"
31 #include "ole2.h"
32
33 #include "initguid.h"
34 #include "wincodec.h"
35 #include "gdiplus.h"
36 #include "gdiplus_private.h"
37 #include "wine/debug.h"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
40
41 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
42
43 static INT ipicture_pixel_height(IPicture *pic)
44 {
45 HDC hdcref;
46 OLE_YSIZE_HIMETRIC y;
47
48 IPicture_get_Height(pic, &y);
49
50 hdcref = GetDC(0);
51
52 y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC);
53 ReleaseDC(0, hdcref);
54
55 return y;
56 }
57
58 static INT ipicture_pixel_width(IPicture *pic)
59 {
60 HDC hdcref;
61 OLE_XSIZE_HIMETRIC x;
62
63 IPicture_get_Width(pic, &x);
64
65 hdcref = GetDC(0);
66
67 x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC);
68
69 ReleaseDC(0, hdcref);
70
71 return x;
72 }
73
74 GpStatus WINGDIPAPI GdipBitmapApplyEffect(GpBitmap* bitmap, CGpEffect* effect,
75 RECT* roi, BOOL useAuxData, VOID** auxData, INT* auxDataSize)
76 {
77 FIXME("(%p %p %p %d %p %p): stub\n", bitmap, effect, roi, useAuxData, auxData, auxDataSize);
78 /*
79 * Note: According to Jose Roca's GDI+ docs, this function is not
80 * implemented in Windows's GDI+.
81 */
82 return NotImplemented;
83 }
84
85 GpStatus WINGDIPAPI GdipBitmapCreateApplyEffect(GpBitmap** inputBitmaps,
86 INT numInputs, CGpEffect* effect, RECT* roi, RECT* outputRect,
87 GpBitmap** outputBitmap, BOOL useAuxData, VOID** auxData, INT* auxDataSize)
88 {
89 FIXME("(%p %d %p %p %p %p %d %p %p): stub\n", inputBitmaps, numInputs, effect, roi, outputRect, outputBitmap, useAuxData, auxData, auxDataSize);
90 /*
91 * Note: According to Jose Roca's GDI+ docs, this function is not
92 * implemented in Windows's GDI+.
93 */
94 return NotImplemented;
95 }
96
97 static inline void getpixel_1bppIndexed(BYTE *index, const BYTE *row, UINT x)
98 {
99 *index = (row[x/8]>>(7-x%8)) & 1;
100 }
101
102 static inline void getpixel_4bppIndexed(BYTE *index, const BYTE *row, UINT x)
103 {
104 if (x & 1)
105 *index = row[x/2]&0xf;
106 else
107 *index = row[x/2]>>4;
108 }
109
110 static inline void getpixel_8bppIndexed(BYTE *index, const BYTE *row, UINT x)
111 {
112 *index = row[x];
113 }
114
115 static inline void getpixel_16bppGrayScale(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
116 const BYTE *row, UINT x)
117 {
118 *r = *g = *b = row[x*2+1];
119 *a = 255;
120 }
121
122 static inline void getpixel_16bppRGB555(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
123 const BYTE *row, UINT x)
124 {
125 WORD pixel = *((const WORD*)(row)+x);
126 *r = (pixel>>7&0xf8)|(pixel>>12&0x7);
127 *g = (pixel>>2&0xf8)|(pixel>>6&0x7);
128 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
129 *a = 255;
130 }
131
132 static inline void getpixel_16bppRGB565(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
133 const BYTE *row, UINT x)
134 {
135 WORD pixel = *((const WORD*)(row)+x);
136 *r = (pixel>>8&0xf8)|(pixel>>13&0x7);
137 *g = (pixel>>3&0xfc)|(pixel>>9&0x3);
138 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
139 *a = 255;
140 }
141
142 static inline void getpixel_16bppARGB1555(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
143 const BYTE *row, UINT x)
144 {
145 WORD pixel = *((const WORD*)(row)+x);
146 *r = (pixel>>7&0xf8)|(pixel>>12&0x7);
147 *g = (pixel>>2&0xf8)|(pixel>>6&0x7);
148 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
149 if ((pixel&0x8000) == 0x8000)
150 *a = 255;
151 else
152 *a = 0;
153 }
154
155 static inline void getpixel_24bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
156 const BYTE *row, UINT x)
157 {
158 *r = row[x*3+2];
159 *g = row[x*3+1];
160 *b = row[x*3];
161 *a = 255;
162 }
163
164 static inline void getpixel_32bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
165 const BYTE *row, UINT x)
166 {
167 *r = row[x*4+2];
168 *g = row[x*4+1];
169 *b = row[x*4];
170 *a = 255;
171 }
172
173 static inline void getpixel_32bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
174 const BYTE *row, UINT x)
175 {
176 *r = row[x*4+2];
177 *g = row[x*4+1];
178 *b = row[x*4];
179 *a = row[x*4+3];
180 }
181
182 static inline void getpixel_32bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
183 const BYTE *row, UINT x)
184 {
185 *a = row[x*4+3];
186 if (*a == 0)
187 *r = *g = *b = 0;
188 else
189 {
190 *r = row[x*4+2] * 255 / *a;
191 *g = row[x*4+1] * 255 / *a;
192 *b = row[x*4] * 255 / *a;
193 }
194 }
195
196 static inline void getpixel_48bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
197 const BYTE *row, UINT x)
198 {
199 *r = row[x*6+5];
200 *g = row[x*6+3];
201 *b = row[x*6+1];
202 *a = 255;
203 }
204
205 static inline void getpixel_64bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
206 const BYTE *row, UINT x)
207 {
208 *r = row[x*8+5];
209 *g = row[x*8+3];
210 *b = row[x*8+1];
211 *a = row[x*8+7];
212 }
213
214 static inline void getpixel_64bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
215 const BYTE *row, UINT x)
216 {
217 *a = row[x*8+7];
218 if (*a == 0)
219 *r = *g = *b = 0;
220 else
221 {
222 *r = row[x*8+5] * 255 / *a;
223 *g = row[x*8+3] * 255 / *a;
224 *b = row[x*8+1] * 255 / *a;
225 }
226 }
227
228 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
229 ARGB *color)
230 {
231 BYTE r, g, b, a;
232 BYTE index;
233 BYTE *row;
234 TRACE("%p %d %d %p\n", bitmap, x, y, color);
235
236 if(!bitmap || !color ||
237 x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
238 return InvalidParameter;
239
240 row = bitmap->bits+bitmap->stride*y;
241
242 switch (bitmap->format)
243 {
244 case PixelFormat1bppIndexed:
245 getpixel_1bppIndexed(&index,row,x);
246 break;
247 case PixelFormat4bppIndexed:
248 getpixel_4bppIndexed(&index,row,x);
249 break;
250 case PixelFormat8bppIndexed:
251 getpixel_8bppIndexed(&index,row,x);
252 break;
253 case PixelFormat16bppGrayScale:
254 getpixel_16bppGrayScale(&r,&g,&b,&a,row,x);
255 break;
256 case PixelFormat16bppRGB555:
257 getpixel_16bppRGB555(&r,&g,&b,&a,row,x);
258 break;
259 case PixelFormat16bppRGB565:
260 getpixel_16bppRGB565(&r,&g,&b,&a,row,x);
261 break;
262 case PixelFormat16bppARGB1555:
263 getpixel_16bppARGB1555(&r,&g,&b,&a,row,x);
264 break;
265 case PixelFormat24bppRGB:
266 getpixel_24bppRGB(&r,&g,&b,&a,row,x);
267 break;
268 case PixelFormat32bppRGB:
269 getpixel_32bppRGB(&r,&g,&b,&a,row,x);
270 break;
271 case PixelFormat32bppARGB:
272 getpixel_32bppARGB(&r,&g,&b,&a,row,x);
273 break;
274 case PixelFormat32bppPARGB:
275 getpixel_32bppPARGB(&r,&g,&b,&a,row,x);
276 break;
277 case PixelFormat48bppRGB:
278 getpixel_48bppRGB(&r,&g,&b,&a,row,x);
279 break;
280 case PixelFormat64bppARGB:
281 getpixel_64bppARGB(&r,&g,&b,&a,row,x);
282 break;
283 case PixelFormat64bppPARGB:
284 getpixel_64bppPARGB(&r,&g,&b,&a,row,x);
285 break;
286 default:
287 FIXME("not implemented for format 0x%x\n", bitmap->format);
288 return NotImplemented;
289 }
290
291 if (bitmap->format & PixelFormatIndexed)
292 *color = bitmap->image.palette_entries[index];
293 else
294 *color = a<<24|r<<16|g<<8|b;
295
296 return Ok;
297 }
298
299 static inline void setpixel_16bppGrayScale(BYTE r, BYTE g, BYTE b, BYTE a,
300 BYTE *row, UINT x)
301 {
302 *((WORD*)(row)+x) = (r+g+b)*85;
303 }
304
305 static inline void setpixel_16bppRGB555(BYTE r, BYTE g, BYTE b, BYTE a,
306 BYTE *row, UINT x)
307 {
308 *((WORD*)(row)+x) = (r<<7&0x7c00)|
309 (g<<2&0x03e0)|
310 (b>>3&0x001f);
311 }
312
313 static inline void setpixel_16bppRGB565(BYTE r, BYTE g, BYTE b, BYTE a,
314 BYTE *row, UINT x)
315 {
316 *((WORD*)(row)+x) = (r<<8&0xf800)|
317 (g<<3&0x07e0)|
318 (b>>3&0x001f);
319 }
320
321 static inline void setpixel_16bppARGB1555(BYTE r, BYTE g, BYTE b, BYTE a,
322 BYTE *row, UINT x)
323 {
324 *((WORD*)(row)+x) = (a<<8&0x8000)|
325 (r<<7&0x7c00)|
326 (g<<2&0x03e0)|
327 (b>>3&0x001f);
328 }
329
330 static inline void setpixel_24bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
331 BYTE *row, UINT x)
332 {
333 row[x*3+2] = r;
334 row[x*3+1] = g;
335 row[x*3] = b;
336 }
337
338 static inline void setpixel_32bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
339 BYTE *row, UINT x)
340 {
341 *((DWORD*)(row)+x) = (r<<16)|(g<<8)|b;
342 }
343
344 static inline void setpixel_32bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
345 BYTE *row, UINT x)
346 {
347 *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
348 }
349
350 static inline void setpixel_32bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
351 BYTE *row, UINT x)
352 {
353 r = r * a / 255;
354 g = g * a / 255;
355 b = b * a / 255;
356 *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
357 }
358
359 static inline void setpixel_48bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
360 BYTE *row, UINT x)
361 {
362 row[x*6+5] = row[x*6+4] = r;
363 row[x*6+3] = row[x*6+2] = g;
364 row[x*6+1] = row[x*6] = b;
365 }
366
367 static inline void setpixel_64bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
368 BYTE *row, UINT x)
369 {
370 UINT64 a64=a, r64=r, g64=g, b64=b;
371 *((UINT64*)(row)+x) = (a64<<56)|(a64<<48)|(r64<<40)|(r64<<32)|(g64<<24)|(g64<<16)|(b64<<8)|b64;
372 }
373
374 static inline void setpixel_64bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
375 BYTE *row, UINT x)
376 {
377 UINT64 a64, r64, g64, b64;
378 a64 = a * 257;
379 r64 = r * a / 255;
380 g64 = g * a / 255;
381 b64 = b * a / 255;
382 *((UINT64*)(row)+x) = (a64<<48)|(r64<<32)|(g64<<16)|b64;
383 }
384
385 GpStatus WINGDIPAPI GdipBitmapSetPixel(GpBitmap* bitmap, INT x, INT y,
386 ARGB color)
387 {
388 BYTE a, r, g, b;
389 BYTE *row;
390 TRACE("bitmap:%p, x:%d, y:%d, color:%08x\n", bitmap, x, y, color);
391
392 if(!bitmap || x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
393 return InvalidParameter;
394
395 a = color>>24;
396 r = color>>16;
397 g = color>>8;
398 b = color;
399
400 row = bitmap->bits + bitmap->stride * y;
401
402 switch (bitmap->format)
403 {
404 case PixelFormat16bppGrayScale:
405 setpixel_16bppGrayScale(r,g,b,a,row,x);
406 break;
407 case PixelFormat16bppRGB555:
408 setpixel_16bppRGB555(r,g,b,a,row,x);
409 break;
410 case PixelFormat16bppRGB565:
411 setpixel_16bppRGB565(r,g,b,a,row,x);
412 break;
413 case PixelFormat16bppARGB1555:
414 setpixel_16bppARGB1555(r,g,b,a,row,x);
415 break;
416 case PixelFormat24bppRGB:
417 setpixel_24bppRGB(r,g,b,a,row,x);
418 break;
419 case PixelFormat32bppRGB:
420 setpixel_32bppRGB(r,g,b,a,row,x);
421 break;
422 case PixelFormat32bppARGB:
423 setpixel_32bppARGB(r,g,b,a,row,x);
424 break;
425 case PixelFormat32bppPARGB:
426 setpixel_32bppPARGB(r,g,b,a,row,x);
427 break;
428 case PixelFormat48bppRGB:
429 setpixel_48bppRGB(r,g,b,a,row,x);
430 break;
431 case PixelFormat64bppARGB:
432 setpixel_64bppARGB(r,g,b,a,row,x);
433 break;
434 case PixelFormat64bppPARGB:
435 setpixel_64bppPARGB(r,g,b,a,row,x);
436 break;
437 default:
438 FIXME("not implemented for format 0x%x\n", bitmap->format);
439 return NotImplemented;
440 }
441
442 return Ok;
443 }
444
445 GpStatus convert_pixels(UINT width, UINT height,
446 INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
447 INT src_stride, const BYTE *src_bits, PixelFormat src_format, ARGB *src_palette)
448 {
449 UINT x, y;
450
451 if (src_format == dst_format ||
452 (dst_format == PixelFormat32bppRGB && PIXELFORMATBPP(src_format) == 32))
453 {
454 UINT widthbytes = PIXELFORMATBPP(src_format) * width / 8;
455 for (y=0; y<height; y++)
456 memcpy(dst_bits+dst_stride*y, src_bits+src_stride*y, widthbytes);
457 return Ok;
458 }
459
460 #define convert_indexed_to_rgb(getpixel_function, setpixel_function) do { \
461 for (x=0; x<width; x++) \
462 for (y=0; y<height; y++) { \
463 BYTE index; \
464 BYTE *color; \
465 getpixel_function(&index, src_bits+src_stride*y, x); \
466 color = (BYTE*)(&src_palette[index]); \
467 setpixel_function(color[2], color[1], color[0], color[3], dst_bits+dst_stride*y, x); \
468 } \
469 return Ok; \
470 } while (0);
471
472 #define convert_rgb_to_rgb(getpixel_function, setpixel_function) do { \
473 for (x=0; x<width; x++) \
474 for (y=0; y<height; y++) { \
475 BYTE r, g, b, a; \
476 getpixel_function(&r, &g, &b, &a, src_bits+src_stride*y, x); \
477 setpixel_function(r, g, b, a, dst_bits+dst_stride*y, x); \
478 } \
479 return Ok; \
480 } while (0);
481
482 switch (src_format)
483 {
484 case PixelFormat1bppIndexed:
485 switch (dst_format)
486 {
487 case PixelFormat16bppGrayScale:
488 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppGrayScale);
489 case PixelFormat16bppRGB555:
490 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB555);
491 case PixelFormat16bppRGB565:
492 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB565);
493 case PixelFormat16bppARGB1555:
494 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppARGB1555);
495 case PixelFormat24bppRGB:
496 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_24bppRGB);
497 case PixelFormat32bppRGB:
498 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppRGB);
499 case PixelFormat32bppARGB:
500 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppARGB);
501 case PixelFormat32bppPARGB:
502 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppPARGB);
503 case PixelFormat48bppRGB:
504 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_48bppRGB);
505 case PixelFormat64bppARGB:
506 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_64bppARGB);
507 default:
508 break;
509 }
510 break;
511 case PixelFormat4bppIndexed:
512 switch (dst_format)
513 {
514 case PixelFormat16bppGrayScale:
515 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppGrayScale);
516 case PixelFormat16bppRGB555:
517 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB555);
518 case PixelFormat16bppRGB565:
519 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB565);
520 case PixelFormat16bppARGB1555:
521 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppARGB1555);
522 case PixelFormat24bppRGB:
523 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_24bppRGB);
524 case PixelFormat32bppRGB:
525 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppRGB);
526 case PixelFormat32bppARGB:
527 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppARGB);
528 case PixelFormat32bppPARGB:
529 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppPARGB);
530 case PixelFormat48bppRGB:
531 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_48bppRGB);
532 case PixelFormat64bppARGB:
533 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_64bppARGB);
534 default:
535 break;
536 }
537 break;
538 case PixelFormat8bppIndexed:
539 switch (dst_format)
540 {
541 case PixelFormat16bppGrayScale:
542 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppGrayScale);
543 case PixelFormat16bppRGB555:
544 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB555);
545 case PixelFormat16bppRGB565:
546 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB565);
547 case PixelFormat16bppARGB1555:
548 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppARGB1555);
549 case PixelFormat24bppRGB:
550 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_24bppRGB);
551 case PixelFormat32bppRGB:
552 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppRGB);
553 case PixelFormat32bppARGB:
554 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppARGB);
555 case PixelFormat32bppPARGB:
556 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppPARGB);
557 case PixelFormat48bppRGB:
558 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_48bppRGB);
559 case PixelFormat64bppARGB:
560 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_64bppARGB);
561 default:
562 break;
563 }
564 break;
565 case PixelFormat16bppGrayScale:
566 switch (dst_format)
567 {
568 case PixelFormat16bppRGB555:
569 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB555);
570 case PixelFormat16bppRGB565:
571 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB565);
572 case PixelFormat16bppARGB1555:
573 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppARGB1555);
574 case PixelFormat24bppRGB:
575 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_24bppRGB);
576 case PixelFormat32bppRGB:
577 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppRGB);
578 case PixelFormat32bppARGB:
579 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppARGB);
580 case PixelFormat32bppPARGB:
581 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppPARGB);
582 case PixelFormat48bppRGB:
583 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_48bppRGB);
584 case PixelFormat64bppARGB:
585 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_64bppARGB);
586 default:
587 break;
588 }
589 break;
590 case PixelFormat16bppRGB555:
591 switch (dst_format)
592 {
593 case PixelFormat16bppGrayScale:
594 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppGrayScale);
595 case PixelFormat16bppRGB565:
596 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppRGB565);
597 case PixelFormat16bppARGB1555:
598 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppARGB1555);
599 case PixelFormat24bppRGB:
600 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_24bppRGB);
601 case PixelFormat32bppRGB:
602 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppRGB);
603 case PixelFormat32bppARGB:
604 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppARGB);
605 case PixelFormat32bppPARGB:
606 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppPARGB);
607 case PixelFormat48bppRGB:
608 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_48bppRGB);
609 case PixelFormat64bppARGB:
610 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_64bppARGB);
611 default:
612 break;
613 }
614 break;
615 case PixelFormat16bppRGB565:
616 switch (dst_format)
617 {
618 case PixelFormat16bppGrayScale:
619 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppGrayScale);
620 case PixelFormat16bppRGB555:
621 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppRGB555);
622 case PixelFormat16bppARGB1555:
623 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppARGB1555);
624 case PixelFormat24bppRGB:
625 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_24bppRGB);
626 case PixelFormat32bppRGB:
627 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppRGB);
628 case PixelFormat32bppARGB:
629 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppARGB);
630 case PixelFormat32bppPARGB:
631 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppPARGB);
632 case PixelFormat48bppRGB:
633 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_48bppRGB);
634 case PixelFormat64bppARGB:
635 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_64bppARGB);
636 default:
637 break;
638 }
639 break;
640 case PixelFormat16bppARGB1555:
641 switch (dst_format)
642 {
643 case PixelFormat16bppGrayScale:
644 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppGrayScale);
645 case PixelFormat16bppRGB555:
646 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB555);
647 case PixelFormat16bppRGB565:
648 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB565);
649 case PixelFormat24bppRGB:
650 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_24bppRGB);
651 case PixelFormat32bppRGB:
652 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppRGB);
653 case PixelFormat32bppARGB:
654 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppARGB);
655 case PixelFormat32bppPARGB:
656 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppPARGB);
657 case PixelFormat48bppRGB:
658 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_48bppRGB);
659 case PixelFormat64bppARGB:
660 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_64bppARGB);
661 default:
662 break;
663 }
664 break;
665 case PixelFormat24bppRGB:
666 switch (dst_format)
667 {
668 case PixelFormat16bppGrayScale:
669 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppGrayScale);
670 case PixelFormat16bppRGB555:
671 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB555);
672 case PixelFormat16bppRGB565:
673 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB565);
674 case PixelFormat16bppARGB1555:
675 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppARGB1555);
676 case PixelFormat32bppRGB:
677 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppRGB);
678 case PixelFormat32bppARGB:
679 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppARGB);
680 case PixelFormat32bppPARGB:
681 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppPARGB);
682 case PixelFormat48bppRGB:
683 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_48bppRGB);
684 case PixelFormat64bppARGB:
685 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_64bppARGB);
686 default:
687 break;
688 }
689 break;
690 case PixelFormat32bppRGB:
691 switch (dst_format)
692 {
693 case PixelFormat16bppGrayScale:
694 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppGrayScale);
695 case PixelFormat16bppRGB555:
696 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB555);
697 case PixelFormat16bppRGB565:
698 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB565);
699 case PixelFormat16bppARGB1555:
700 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppARGB1555);
701 case PixelFormat24bppRGB:
702 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_24bppRGB);
703 case PixelFormat32bppARGB:
704 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppARGB);
705 case PixelFormat32bppPARGB:
706 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppPARGB);
707 case PixelFormat48bppRGB:
708 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_48bppRGB);
709 case PixelFormat64bppARGB:
710 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_64bppARGB);
711 default:
712 break;
713 }
714 break;
715 case PixelFormat32bppARGB:
716 switch (dst_format)
717 {
718 case PixelFormat16bppGrayScale:
719 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppGrayScale);
720 case PixelFormat16bppRGB555:
721 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB555);
722 case PixelFormat16bppRGB565:
723 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB565);
724 case PixelFormat16bppARGB1555:
725 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppARGB1555);
726 case PixelFormat24bppRGB:
727 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_24bppRGB);
728 case PixelFormat32bppPARGB:
729 convert_32bppARGB_to_32bppPARGB(width, height, dst_bits, dst_stride, src_bits, src_stride);
730 return Ok;
731 case PixelFormat48bppRGB:
732 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_48bppRGB);
733 case PixelFormat64bppARGB:
734 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_64bppARGB);
735 default:
736 break;
737 }
738 break;
739 case PixelFormat32bppPARGB:
740 switch (dst_format)
741 {
742 case PixelFormat16bppGrayScale:
743 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppGrayScale);
744 case PixelFormat16bppRGB555:
745 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB555);
746 case PixelFormat16bppRGB565:
747 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB565);
748 case PixelFormat16bppARGB1555:
749 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppARGB1555);
750 case PixelFormat24bppRGB:
751 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_24bppRGB);
752 case PixelFormat32bppRGB:
753 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppRGB);
754 case PixelFormat32bppARGB:
755 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppARGB);
756 case PixelFormat48bppRGB:
757 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_48bppRGB);
758 case PixelFormat64bppARGB:
759 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_64bppARGB);
760 default:
761 break;
762 }
763 break;
764 case PixelFormat48bppRGB:
765 switch (dst_format)
766 {
767 case PixelFormat16bppGrayScale:
768 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppGrayScale);
769 case PixelFormat16bppRGB555:
770 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB555);
771 case PixelFormat16bppRGB565:
772 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB565);
773 case PixelFormat16bppARGB1555:
774 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppARGB1555);
775 case PixelFormat24bppRGB:
776 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_24bppRGB);
777 case PixelFormat32bppRGB:
778 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppRGB);
779 case PixelFormat32bppARGB:
780 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppARGB);
781 case PixelFormat32bppPARGB:
782 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppPARGB);
783 case PixelFormat64bppARGB:
784 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_64bppARGB);
785 default:
786 break;
787 }
788 break;
789 case PixelFormat64bppARGB:
790 switch (dst_format)
791 {
792 case PixelFormat16bppGrayScale:
793 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppGrayScale);
794 case PixelFormat16bppRGB555:
795 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB555);
796 case PixelFormat16bppRGB565:
797 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB565);
798 case PixelFormat16bppARGB1555:
799 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppARGB1555);
800 case PixelFormat24bppRGB:
801 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_24bppRGB);
802 case PixelFormat32bppRGB:
803 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppRGB);
804 case PixelFormat32bppARGB:
805 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppARGB);
806 case PixelFormat32bppPARGB:
807 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppPARGB);
808 case PixelFormat48bppRGB:
809 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_48bppRGB);
810 default:
811 break;
812 }
813 break;
814 case PixelFormat64bppPARGB:
815 switch (dst_format)
816 {
817 case PixelFormat16bppGrayScale:
818 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppGrayScale);
819 case PixelFormat16bppRGB555:
820 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB555);
821 case PixelFormat16bppRGB565:
822 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB565);
823 case PixelFormat16bppARGB1555:
824 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppARGB1555);
825 case PixelFormat24bppRGB:
826 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_24bppRGB);
827 case PixelFormat32bppRGB:
828 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppRGB);
829 case PixelFormat32bppARGB:
830 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppARGB);
831 case PixelFormat32bppPARGB:
832 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppPARGB);
833 case PixelFormat48bppRGB:
834 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_48bppRGB);
835 case PixelFormat64bppARGB:
836 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_64bppARGB);
837 default:
838 break;
839 }
840 break;
841 default:
842 break;
843 }
844
845 #undef convert_indexed_to_rgb
846 #undef convert_rgb_to_rgb
847
848 return NotImplemented;
849 }
850
851 /* This function returns a pointer to an array of pixels that represents the
852 * bitmap. The *entire* bitmap is locked according to the lock mode specified by
853 * flags. It is correct behavior that a user who calls this function with write
854 * privileges can write to the whole bitmap (not just the area in rect).
855 *
856 * FIXME: only used portion of format is bits per pixel. */
857 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
858 UINT flags, PixelFormat format, BitmapData* lockeddata)
859 {
860 INT stride, bitspp = PIXELFORMATBPP(format);
861 BYTE *buff = NULL;
862 UINT abs_height;
863 GpRect act_rect; /* actual rect to be used */
864 GpStatus stat;
865
866 TRACE("%p %p %d 0x%x %p\n", bitmap, rect, flags, format, lockeddata);
867
868 if(!lockeddata || !bitmap)
869 return InvalidParameter;
870
871 if(rect){
872 if(rect->X < 0 || rect->Y < 0 || (rect->X + rect->Width > bitmap->width) ||
873 (rect->Y + rect->Height > bitmap->height) || !flags)
874 return InvalidParameter;
875
876 act_rect = *rect;
877 }
878 else{
879 act_rect.X = act_rect.Y = 0;
880 act_rect.Width = bitmap->width;
881 act_rect.Height = bitmap->height;
882 }
883
884 if(flags & ImageLockModeUserInputBuf)
885 {
886 static int fixme=0;
887 if (!fixme++) FIXME("ImageLockModeUserInputBuf not implemented\n");
888 return NotImplemented;
889 }
890
891 if(bitmap->lockmode)
892 {
893 WARN("bitmap is already locked and cannot be locked again\n");
894 return WrongState;
895 }
896
897 if (bitmap->bits && bitmap->format == format)
898 {
899 /* no conversion is necessary; just use the bits directly */
900 lockeddata->Width = act_rect.Width;
901 lockeddata->Height = act_rect.Height;
902 lockeddata->PixelFormat = format;
903 lockeddata->Reserved = flags;
904 lockeddata->Stride = bitmap->stride;
905 lockeddata->Scan0 = bitmap->bits + (bitspp / 8) * act_rect.X +
906 bitmap->stride * act_rect.Y;
907
908 bitmap->lockmode = flags;
909 bitmap->numlocks++;
910
911 return Ok;
912 }
913
914 /* Make sure we can convert to the requested format. */
915 stat = convert_pixels(0, 0, 0, NULL, format, 0, NULL, bitmap->format, NULL);
916 if (stat == NotImplemented)
917 {
918 FIXME("cannot read bitmap from %x to %x\n", bitmap->format, format);
919 return NotImplemented;
920 }
921
922 /* If we're opening for writing, make sure we'll be able to write back in
923 * the original format. */
924 if (flags & ImageLockModeWrite)
925 {
926 stat = convert_pixels(0, 0, 0, NULL, bitmap->format, 0, NULL, format, NULL);
927 if (stat == NotImplemented)
928 {
929 FIXME("cannot write bitmap from %x to %x\n", format, bitmap->format);
930 return NotImplemented;
931 }
932 }
933
934 abs_height = bitmap->height;
935 stride = (bitmap->width * bitspp + 7) / 8;
936 stride = (stride + 3) & ~3;
937
938 buff = GdipAlloc(stride * abs_height);
939
940 if (!buff) return OutOfMemory;
941
942 stat = convert_pixels(bitmap->width, bitmap->height,
943 stride, buff, format,
944 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
945
946 if (stat != Ok)
947 {
948 GdipFree(buff);
949 return stat;
950 }
951
952 lockeddata->Width = act_rect.Width;
953 lockeddata->Height = act_rect.Height;
954 lockeddata->PixelFormat = format;
955 lockeddata->Reserved = flags;
956 lockeddata->Stride = stride;
957 lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
958
959 bitmap->lockmode = flags;
960 bitmap->numlocks++;
961 bitmap->bitmapbits = buff;
962
963 return Ok;
964 }
965
966 GpStatus WINGDIPAPI GdipBitmapSetResolution(GpBitmap* bitmap, REAL xdpi, REAL ydpi)
967 {
968 TRACE("(%p, %.2f, %.2f)\n", bitmap, xdpi, ydpi);
969
970 if (!bitmap || xdpi == 0.0 || ydpi == 0.0)
971 return InvalidParameter;
972
973 bitmap->image.xres = xdpi;
974 bitmap->image.yres = ydpi;
975
976 return Ok;
977 }
978
979 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
980 BitmapData* lockeddata)
981 {
982 GpStatus stat;
983
984 TRACE("(%p,%p)\n", bitmap, lockeddata);
985
986 if(!bitmap || !lockeddata)
987 return InvalidParameter;
988
989 if(!bitmap->lockmode)
990 return WrongState;
991
992 if(lockeddata->Reserved & ImageLockModeUserInputBuf)
993 return NotImplemented;
994
995 if(lockeddata->Reserved & ImageLockModeRead){
996 if(!(--bitmap->numlocks))
997 bitmap->lockmode = 0;
998
999 GdipFree(bitmap->bitmapbits);
1000 bitmap->bitmapbits = NULL;
1001 return Ok;
1002 }
1003
1004 if (!bitmap->bitmapbits)
1005 {
1006 /* we passed a direct reference; no need to do anything */
1007 bitmap->lockmode = 0;
1008 bitmap->numlocks = 0;
1009 return Ok;
1010 }
1011
1012 stat = convert_pixels(bitmap->width, bitmap->height,
1013 bitmap->stride, bitmap->bits, bitmap->format,
1014 lockeddata->Stride, bitmap->bitmapbits, lockeddata->PixelFormat, NULL);
1015
1016 if (stat != Ok)
1017 {
1018 ERR("failed to convert pixels; this should never happen\n");
1019 }
1020
1021 GdipFree(bitmap->bitmapbits);
1022 bitmap->bitmapbits = NULL;
1023 bitmap->lockmode = 0;
1024 bitmap->numlocks = 0;
1025
1026 return stat;
1027 }
1028
1029 GpStatus WINGDIPAPI GdipCloneBitmapArea(REAL x, REAL y, REAL width, REAL height,
1030 PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
1031 {
1032 BitmapData lockeddata_src, lockeddata_dst;
1033 int i;
1034 UINT row_size;
1035 Rect area;
1036 GpStatus stat;
1037
1038 TRACE("(%f,%f,%f,%f,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
1039
1040 if (!srcBitmap || !dstBitmap || srcBitmap->image.type != ImageTypeBitmap ||
1041 x < 0 || y < 0 ||
1042 x + width > srcBitmap->width || y + height > srcBitmap->height)
1043 {
1044 TRACE("<-- InvalidParameter\n");
1045 return InvalidParameter;
1046 }
1047
1048 if (format == PixelFormatDontCare)
1049 format = srcBitmap->format;
1050
1051 area.X = roundr(x);
1052 area.Y = roundr(y);
1053 area.Width = roundr(width);
1054 area.Height = roundr(height);
1055
1056 stat = GdipBitmapLockBits(srcBitmap, &area, ImageLockModeRead, format,
1057 &lockeddata_src);
1058 if (stat != Ok) return stat;
1059
1060 stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
1061 0, lockeddata_src.PixelFormat, NULL, dstBitmap);
1062 if (stat == Ok)
1063 {
1064 stat = GdipBitmapLockBits(*dstBitmap, NULL, ImageLockModeWrite,
1065 lockeddata_src.PixelFormat, &lockeddata_dst);
1066
1067 if (stat == Ok)
1068 {
1069 /* copy the image data */
1070 row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
1071 for (i=0; i<lockeddata_src.Height; i++)
1072 memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
1073 (BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
1074 row_size);
1075
1076 GdipBitmapUnlockBits(*dstBitmap, &lockeddata_dst);
1077 }
1078
1079 if (stat != Ok)
1080 GdipDisposeImage((GpImage*)*dstBitmap);
1081 }
1082
1083 GdipBitmapUnlockBits(srcBitmap, &lockeddata_src);
1084
1085 if (stat != Ok)
1086 {
1087 *dstBitmap = NULL;
1088 }
1089
1090 return stat;
1091 }
1092
1093 GpStatus WINGDIPAPI GdipCloneBitmapAreaI(INT x, INT y, INT width, INT height,
1094 PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
1095 {
1096 TRACE("(%i,%i,%i,%i,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
1097
1098 return GdipCloneBitmapArea(x, y, width, height, format, srcBitmap, dstBitmap);
1099 }
1100
1101 GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
1102 {
1103 GpStatus stat = GenericError;
1104
1105 TRACE("%p, %p\n", image, cloneImage);
1106
1107 if (!image || !cloneImage)
1108 return InvalidParameter;
1109
1110 if (image->picture)
1111 {
1112 IStream* stream;
1113 HRESULT hr;
1114 INT size;
1115 LARGE_INTEGER move;
1116
1117 hr = CreateStreamOnHGlobal(0, TRUE, &stream);
1118 if (FAILED(hr))
1119 return GenericError;
1120
1121 hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
1122 if(FAILED(hr))
1123 {
1124 WARN("Failed to save image on stream\n");
1125 goto out;
1126 }
1127
1128 /* Set seek pointer back to the beginning of the picture */
1129 move.QuadPart = 0;
1130 hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL);
1131 if (FAILED(hr))
1132 goto out;
1133
1134 stat = GdipLoadImageFromStream(stream, cloneImage);
1135 if (stat != Ok) WARN("Failed to load image from stream\n");
1136
1137 out:
1138 IStream_Release(stream);
1139 return stat;
1140 }
1141 else if (image->type == ImageTypeBitmap)
1142 {
1143 GpBitmap *bitmap = (GpBitmap*)image;
1144 BitmapData lockeddata_src, lockeddata_dst;
1145 int i;
1146 UINT row_size;
1147
1148 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format,
1149 &lockeddata_src);
1150 if (stat != Ok) return stat;
1151
1152 stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
1153 0, lockeddata_src.PixelFormat, NULL, (GpBitmap**)cloneImage);
1154 if (stat == Ok)
1155 {
1156 stat = GdipBitmapLockBits((GpBitmap*)*cloneImage, NULL, ImageLockModeWrite,
1157 lockeddata_src.PixelFormat, &lockeddata_dst);
1158
1159 if (stat == Ok)
1160 {
1161 /* copy the image data */
1162 row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
1163 for (i=0; i<lockeddata_src.Height; i++)
1164 memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
1165 (BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
1166 row_size);
1167
1168 GdipBitmapUnlockBits((GpBitmap*)*cloneImage, &lockeddata_dst);
1169 }
1170
1171 if (stat != Ok)
1172 GdipDisposeImage(*cloneImage);
1173 }
1174
1175 GdipBitmapUnlockBits(bitmap, &lockeddata_src);
1176
1177 if (stat != Ok)
1178 {
1179 *cloneImage = NULL;
1180 }
1181 else memcpy(&(*cloneImage)->format, &image->format, sizeof(GUID));
1182
1183 return stat;
1184 }
1185 else
1186 {
1187 ERR("GpImage with no IPicture or bitmap?!\n");
1188 return NotImplemented;
1189 }
1190 }
1191
1192 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
1193 GpBitmap **bitmap)
1194 {
1195 GpStatus stat;
1196 IStream *stream;
1197
1198 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
1199
1200 if(!filename || !bitmap)
1201 return InvalidParameter;
1202
1203 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
1204
1205 if(stat != Ok)
1206 return stat;
1207
1208 stat = GdipCreateBitmapFromStream(stream, bitmap);
1209
1210 IStream_Release(stream);
1211
1212 return stat;
1213 }
1214
1215 GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
1216 VOID *bits, GpBitmap **bitmap)
1217 {
1218 DWORD height, stride;
1219 PixelFormat format;
1220
1221 FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
1222
1223 if (!info || !bits || !bitmap)
1224 return InvalidParameter;
1225
1226 height = abs(info->bmiHeader.biHeight);
1227 stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
1228
1229 if(info->bmiHeader.biHeight > 0) /* bottom-up */
1230 {
1231 bits = (BYTE*)bits + (height - 1) * stride;
1232 stride = -stride;
1233 }
1234
1235 switch(info->bmiHeader.biBitCount) {
1236 case 1:
1237 format = PixelFormat1bppIndexed;
1238 break;
1239 case 4:
1240 format = PixelFormat4bppIndexed;
1241 break;
1242 case 8:
1243 format = PixelFormat8bppIndexed;
1244 break;
1245 case 16:
1246 format = PixelFormat16bppRGB555;
1247 break;
1248 case 24:
1249 format = PixelFormat24bppRGB;
1250 break;
1251 case 32:
1252 format = PixelFormat32bppRGB;
1253 break;
1254 default:
1255 FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
1256 *bitmap = NULL;
1257 return InvalidParameter;
1258 }
1259
1260 return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
1261 bits, bitmap);
1262
1263 }
1264
1265 /* FIXME: no icm */
1266 GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
1267 GpBitmap **bitmap)
1268 {
1269 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
1270
1271 return GdipCreateBitmapFromFile(filename, bitmap);
1272 }
1273
1274 GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
1275 GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
1276 {
1277 HBITMAP hbm;
1278 GpStatus stat = InvalidParameter;
1279
1280 TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
1281
1282 if(!lpBitmapName || !bitmap)
1283 return InvalidParameter;
1284
1285 /* load DIB */
1286 hbm = LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0,
1287 LR_CREATEDIBSECTION);
1288
1289 if(hbm){
1290 stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
1291 DeleteObject(hbm);
1292 }
1293
1294 return stat;
1295 }
1296
1297 GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
1298 HBITMAP* hbmReturn, ARGB background)
1299 {
1300 GpStatus stat;
1301 HBITMAP result, oldbitmap;
1302 UINT width, height;
1303 HDC hdc;
1304 GpGraphics *graphics;
1305 BITMAPINFOHEADER bih;
1306 void *bits;
1307 TRACE("(%p,%p,%x)\n", bitmap, hbmReturn, background);
1308
1309 if (!bitmap || !hbmReturn) return InvalidParameter;
1310
1311 GdipGetImageWidth((GpImage*)bitmap, &width);
1312 GdipGetImageHeight((GpImage*)bitmap, &height);
1313
1314 bih.biSize = sizeof(bih);
1315 bih.biWidth = width;
1316 bih.biHeight = height;
1317 bih.biPlanes = 1;
1318 bih.biBitCount = 32;
1319 bih.biCompression = BI_RGB;
1320 bih.biSizeImage = 0;
1321 bih.biXPelsPerMeter = 0;
1322 bih.biYPelsPerMeter = 0;
1323 bih.biClrUsed = 0;
1324 bih.biClrImportant = 0;
1325
1326 hdc = CreateCompatibleDC(NULL);
1327 if (!hdc) return GenericError;
1328
1329 result = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS, &bits,
1330 NULL, 0);
1331
1332 if (result)
1333 {
1334 oldbitmap = SelectObject(hdc, result);
1335
1336 stat = GdipCreateFromHDC(hdc, &graphics);
1337 if (stat == Ok)
1338 {
1339 stat = GdipGraphicsClear(graphics, background);
1340
1341 if (stat == Ok)
1342 stat = GdipDrawImage(graphics, (GpImage*)bitmap, 0, 0);
1343
1344 GdipDeleteGraphics(graphics);
1345 }
1346
1347 SelectObject(hdc, oldbitmap);
1348 }
1349 else
1350 stat = GenericError;
1351
1352 DeleteDC(hdc);
1353
1354 if (stat != Ok && result)
1355 {
1356 DeleteObject(result);
1357 result = NULL;
1358 }
1359
1360 *hbmReturn = result;
1361
1362 return stat;
1363 }
1364
1365 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
1366 GpMetafile* metafile, BOOL* succ, EmfType emfType,
1367 const WCHAR* description, GpMetafile** out_metafile)
1368 {
1369 static int calls;
1370
1371 TRACE("(%p,%p,%p,%u,%s,%p)\n", ref, metafile, succ, emfType,
1372 debugstr_w(description), out_metafile);
1373
1374 if(!ref || !metafile || !out_metafile)
1375 return InvalidParameter;
1376
1377 *succ = FALSE;
1378 *out_metafile = NULL;
1379
1380 if(!(calls++))
1381 FIXME("not implemented\n");
1382
1383 return NotImplemented;
1384 }
1385
1386 /* FIXME: this should create a bitmap in the given size with the attributes
1387 * (resolution etc.) of the graphics object */
1388 GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
1389 GpGraphics* target, GpBitmap** bitmap)
1390 {
1391 static int calls;
1392 GpStatus ret;
1393
1394 TRACE("(%d, %d, %p, %p)\n", width, height, target, bitmap);
1395
1396 if(!target || !bitmap)
1397 return InvalidParameter;
1398
1399 if(!(calls++))
1400 FIXME("hacked stub\n");
1401
1402 ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
1403 NULL, bitmap);
1404
1405 return ret;
1406 }
1407
1408 GpStatus WINGDIPAPI GdipCreateBitmapFromHICON(HICON hicon, GpBitmap** bitmap)
1409 {
1410 GpStatus stat;
1411 ICONINFO iinfo;
1412 BITMAP bm;
1413 int ret;
1414 UINT width, height;
1415 GpRect rect;
1416 BitmapData lockeddata;
1417 HDC screendc;
1418 BOOL has_alpha;
1419 int x, y;
1420 BYTE *bits;
1421 BITMAPINFOHEADER bih;
1422 DWORD *src;
1423 BYTE *dst_row;
1424 DWORD *dst;
1425
1426 TRACE("%p, %p\n", hicon, bitmap);
1427
1428 if(!bitmap || !GetIconInfo(hicon, &iinfo))
1429 return InvalidParameter;
1430
1431 /* get the size of the icon */
1432 ret = GetObjectA(iinfo.hbmColor ? iinfo.hbmColor : iinfo.hbmMask, sizeof(bm), &bm);
1433 if (ret == 0) {
1434 DeleteObject(iinfo.hbmColor);
1435 DeleteObject(iinfo.hbmMask);
1436 return GenericError;
1437 }
1438
1439 width = bm.bmWidth;
1440
1441 if (iinfo.hbmColor)
1442 height = abs(bm.bmHeight);
1443 else /* combined bitmap + mask */
1444 height = abs(bm.bmHeight) / 2;
1445
1446 bits = HeapAlloc(GetProcessHeap(), 0, 4*width*height);
1447 if (!bits) {
1448 DeleteObject(iinfo.hbmColor);
1449 DeleteObject(iinfo.hbmMask);
1450 return OutOfMemory;
1451 }
1452
1453 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB, NULL, bitmap);
1454 if (stat != Ok) {
1455 DeleteObject(iinfo.hbmColor);
1456 DeleteObject(iinfo.hbmMask);
1457 HeapFree(GetProcessHeap(), 0, bits);
1458 return stat;
1459 }
1460
1461 rect.X = 0;
1462 rect.Y = 0;
1463 rect.Width = width;
1464 rect.Height = height;
1465
1466 stat = GdipBitmapLockBits(*bitmap, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &lockeddata);
1467 if (stat != Ok) {
1468 DeleteObject(iinfo.hbmColor);
1469 DeleteObject(iinfo.hbmMask);
1470 HeapFree(GetProcessHeap(), 0, bits);
1471 GdipDisposeImage((GpImage*)*bitmap);
1472 return stat;
1473 }
1474
1475 bih.biSize = sizeof(bih);
1476 bih.biWidth = width;
1477 bih.biHeight = -height;
1478 bih.biPlanes = 1;
1479 bih.biBitCount = 32;
1480 bih.biCompression = BI_RGB;
1481 bih.biSizeImage = 0;
1482 bih.biXPelsPerMeter = 0;
1483 bih.biYPelsPerMeter = 0;
1484 bih.biClrUsed = 0;
1485 bih.biClrImportant = 0;
1486
1487 screendc = GetDC(0);
1488 if (iinfo.hbmColor)
1489 {
1490 GetDIBits(screendc, iinfo.hbmColor, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1491
1492 if (bm.bmBitsPixel == 32)
1493 {
1494 has_alpha = FALSE;
1495
1496 /* If any pixel has a non-zero alpha, ignore hbmMask */
1497 src = (DWORD*)bits;
1498 for (x=0; x<width && !has_alpha; x++)
1499 for (y=0; y<height && !has_alpha; y++)
1500 if ((*src++ & 0xff000000) != 0)
1501 has_alpha = TRUE;
1502 }
1503 else has_alpha = FALSE;
1504 }
1505 else
1506 {
1507 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1508 has_alpha = FALSE;
1509 }
1510
1511 /* copy the image data to the Bitmap */
1512 src = (DWORD*)bits;
1513 dst_row = lockeddata.Scan0;
1514 for (y=0; y<height; y++)
1515 {
1516 memcpy(dst_row, src, width*4);
1517 src += width;
1518 dst_row += lockeddata.Stride;
1519 }
1520
1521 if (!has_alpha)
1522 {
1523 if (iinfo.hbmMask)
1524 {
1525 /* read alpha data from the mask */
1526 if (iinfo.hbmColor)
1527 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1528 else
1529 GetDIBits(screendc, iinfo.hbmMask, height, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1530
1531 src = (DWORD*)bits;
1532 dst_row = lockeddata.Scan0;
1533 for (y=0; y<height; y++)
1534 {
1535 dst = (DWORD*)dst_row;
1536 for (x=0; x<height; x++)
1537 {
1538 DWORD src_value = *src++;
1539 if (src_value)
1540 *dst++ = 0;
1541 else
1542 *dst++ |= 0xff000000;
1543 }
1544 dst_row += lockeddata.Stride;
1545 }
1546 }
1547 else
1548 {
1549 /* set constant alpha of 255 */
1550 dst_row = bits;
1551 for (y=0; y<height; y++)
1552 {
1553 dst = (DWORD*)dst_row;
1554 for (x=0; x<height; x++)
1555 *dst++ |= 0xff000000;
1556 dst_row += lockeddata.Stride;
1557 }
1558 }
1559 }
1560
1561 ReleaseDC(0, screendc);
1562
1563 DeleteObject(iinfo.hbmColor);
1564 DeleteObject(iinfo.hbmMask);
1565
1566 GdipBitmapUnlockBits(*bitmap, &lockeddata);
1567
1568 HeapFree(GetProcessHeap(), 0, bits);
1569
1570 return Ok;
1571 }
1572
1573 static void generate_halftone_palette(ARGB *entries, UINT count)
1574 {
1575 static const BYTE halftone_values[6]={0x00,0x33,0x66,0x99,0xcc,0xff};
1576 UINT i;
1577
1578 for (i=0; i<8 && i<count; i++)
1579 {
1580 entries[i] = 0xff000000;
1581 if (i&1) entries[i] |= 0x800000;
1582 if (i&2) entries[i] |= 0x8000;
1583 if (i&4) entries[i] |= 0x80;
1584 }
1585
1586 if (8 < count)
1587 entries[i] = 0xffc0c0c0;
1588
1589 for (i=9; i<16 && i<count; i++)
1590 {
1591 entries[i] = 0xff000000;
1592 if (i&1) entries[i] |= 0xff0000;
1593 if (i&2) entries[i] |= 0xff00;
1594 if (i&4) entries[i] |= 0xff;
1595 }
1596
1597 for (i=16; i<40 && i<count; i++)
1598 {
1599 entries[i] = 0;
1600 }
1601
1602 for (i=40; i<256 && i<count; i++)
1603 {
1604 entries[i] = 0xff000000;
1605 entries[i] |= halftone_values[(i-40)%6];
1606 entries[i] |= halftone_values[((i-40)/6)%6] << 8;
1607 entries[i] |= halftone_values[((i-40)/36)%6] << 16;
1608 }
1609 }
1610
1611 static GpStatus get_screen_resolution(REAL *xres, REAL *yres)
1612 {
1613 HDC screendc = GetDC(0);
1614
1615 if (!screendc) return GenericError;
1616
1617 *xres = (REAL)GetDeviceCaps(screendc, LOGPIXELSX);
1618 *yres = (REAL)GetDeviceCaps(screendc, LOGPIXELSY);
1619
1620 ReleaseDC(0, screendc);
1621
1622 return Ok;
1623 }
1624
1625 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
1626 PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
1627 {
1628 BITMAPINFO* pbmi;
1629 HBITMAP hbitmap;
1630 INT row_size, dib_stride;
1631 HDC hdc;
1632 BYTE *bits;
1633 int i;
1634 REAL xres, yres;
1635 GpStatus stat;
1636
1637 TRACE("%d %d %d 0x%x %p %p\n", width, height, stride, format, scan0, bitmap);
1638
1639 if (!bitmap) return InvalidParameter;
1640
1641 if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
1642 *bitmap = NULL;
1643 return InvalidParameter;
1644 }
1645
1646 if(scan0 && !stride)
1647 return InvalidParameter;
1648
1649 stat = get_screen_resolution(&xres, &yres);
1650 if (stat != Ok) return stat;
1651
1652 row_size = (width * PIXELFORMATBPP(format)+7) / 8;
1653 dib_stride = (row_size + 3) & ~3;
1654
1655 if(stride == 0)
1656 stride = dib_stride;
1657
1658 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1659 if (!pbmi)
1660 return OutOfMemory;
1661
1662 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1663 pbmi->bmiHeader.biWidth = width;
1664 pbmi->bmiHeader.biHeight = -height;
1665 pbmi->bmiHeader.biPlanes = 1;
1666 /* FIXME: use the rest of the data from format */
1667 pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(format);
1668 pbmi->bmiHeader.biCompression = BI_RGB;
1669 pbmi->bmiHeader.biSizeImage = 0;
1670 pbmi->bmiHeader.biXPelsPerMeter = 0;
1671 pbmi->bmiHeader.biYPelsPerMeter = 0;
1672 pbmi->bmiHeader.biClrUsed = 0;
1673 pbmi->bmiHeader.biClrImportant = 0;
1674
1675 hdc = CreateCompatibleDC(NULL);
1676 if (!hdc) {
1677 GdipFree(pbmi);
1678 return GenericError;
1679 }
1680
1681 hbitmap = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
1682
1683 DeleteDC(hdc);
1684 GdipFree(pbmi);
1685
1686 if (!hbitmap) return GenericError;
1687
1688 /* copy bits to the dib if necessary */
1689 /* FIXME: should reference the bits instead of copying them */
1690 if (scan0)
1691 for (i=0; i<height; i++)
1692 memcpy(bits+i*dib_stride, scan0+i*stride, row_size);
1693
1694 *bitmap = GdipAlloc(sizeof(GpBitmap));
1695 if(!*bitmap)
1696 {
1697 DeleteObject(hbitmap);
1698 return OutOfMemory;
1699 }
1700
1701 (*bitmap)->image.type = ImageTypeBitmap;
1702 memcpy(&(*bitmap)->image.format, &ImageFormatMemoryBMP, sizeof(GUID));
1703 (*bitmap)->image.flags = ImageFlagsNone;
1704 (*bitmap)->image.palette_flags = 0;
1705 (*bitmap)->image.palette_count = 0;
1706 (*bitmap)->image.palette_size = 0;
1707 (*bitmap)->image.palette_entries = NULL;
1708 (*bitmap)->image.xres = xres;
1709 (*bitmap)->image.yres = yres;
1710 (*bitmap)->width = width;
1711 (*bitmap)->height = height;
1712 (*bitmap)->format = format;
1713 (*bitmap)->image.picture = NULL;
1714 (*bitmap)->hbitmap = hbitmap;
1715 (*bitmap)->hdc = NULL;
1716 (*bitmap)->bits = bits;
1717 (*bitmap)->stride = dib_stride;
1718
1719 if (format == PixelFormat1bppIndexed ||
1720 format == PixelFormat4bppIndexed ||
1721 format == PixelFormat8bppIndexed)
1722 {
1723 (*bitmap)->image.palette_size = (*bitmap)->image.palette_count = 1 << PIXELFORMATBPP(format);
1724 (*bitmap)->image.palette_entries = GdipAlloc(sizeof(ARGB) * ((*bitmap)->image.palette_size));
1725
1726 if (!(*bitmap)->image.palette_entries)
1727 {
1728 GdipDisposeImage(&(*bitmap)->image);
1729 *bitmap = NULL;
1730 return OutOfMemory;
1731 }
1732
1733 if (format == PixelFormat1bppIndexed)
1734 {
1735 (*bitmap)->image.palette_flags = PaletteFlagsGrayScale;
1736 (*bitmap)->image.palette_entries[0] = 0xff000000;
1737 (*bitmap)->image.palette_entries[1] = 0xffffffff;
1738 }
1739 else
1740 {
1741 if (format == PixelFormat8bppIndexed)
1742 (*bitmap)->image.palette_flags = PaletteFlagsHalftone;
1743
1744 generate_halftone_palette((*bitmap)->image.palette_entries,
1745 (*bitmap)->image.palette_count);
1746 }
1747 }
1748
1749 TRACE("<-- %p\n", *bitmap);
1750
1751 return Ok;
1752 }
1753
1754 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
1755 GpBitmap **bitmap)
1756 {
1757 GpStatus stat;
1758
1759 TRACE("%p %p\n", stream, bitmap);
1760
1761 stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
1762
1763 if(stat != Ok)
1764 return stat;
1765
1766 if((*bitmap)->image.type != ImageTypeBitmap){
1767 GdipDisposeImage(&(*bitmap)->image);
1768 *bitmap = NULL;
1769 return GenericError; /* FIXME: what error to return? */
1770 }
1771
1772 return Ok;
1773 }
1774
1775 /* FIXME: no icm */
1776 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
1777 GpBitmap **bitmap)
1778 {
1779 TRACE("%p %p\n", stream, bitmap);
1780
1781 return GdipCreateBitmapFromStream(stream, bitmap);
1782 }
1783
1784 GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
1785 GpCachedBitmap **cachedbmp)
1786 {
1787 GpStatus stat;
1788
1789 TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
1790
1791 if(!bitmap || !graphics || !cachedbmp)
1792 return InvalidParameter;
1793
1794 *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
1795 if(!*cachedbmp)
1796 return OutOfMemory;
1797
1798 stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
1799 if(stat != Ok){
1800 GdipFree(*cachedbmp);
1801 return stat;
1802 }
1803
1804 return Ok;
1805 }
1806
1807 GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon)
1808 {
1809 GpStatus stat;
1810 BitmapData lockeddata;
1811 ULONG andstride, xorstride, bitssize;
1812 LPBYTE andbits, xorbits, androw, xorrow, srcrow;
1813 UINT x, y;
1814
1815 TRACE("(%p, %p)\n", bitmap, hicon);
1816
1817 if (!bitmap || !hicon)
1818 return InvalidParameter;
1819
1820 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead,
1821 PixelFormat32bppPARGB, &lockeddata);
1822 if (stat == Ok)
1823 {
1824 andstride = ((lockeddata.Width+31)/32)*4;
1825 xorstride = lockeddata.Width*4;
1826 bitssize = (andstride + xorstride) * lockeddata.Height;
1827
1828 andbits = GdipAlloc(bitssize);
1829
1830 if (andbits)
1831 {
1832 xorbits = andbits + andstride * lockeddata.Height;
1833
1834 for (y=0; y<lockeddata.Height; y++)
1835 {
1836 srcrow = ((LPBYTE)lockeddata.Scan0) + lockeddata.Stride * y;
1837
1838 androw = andbits + andstride * y;
1839 for (x=0; x<lockeddata.Width; x++)
1840 if (srcrow[3+4*x] >= 128)
1841 androw[x/8] |= 1 << (7-x%8);
1842
1843 xorrow = xorbits + xorstride * y;
1844 memcpy(xorrow, srcrow, xorstride);
1845 }
1846
1847 *hicon = CreateIcon(NULL, lockeddata.Width, lockeddata.Height, 1, 32,
1848 andbits, xorbits);
1849
1850 GdipFree(andbits);
1851 }
1852 else
1853 stat = OutOfMemory;
1854
1855 GdipBitmapUnlockBits(bitmap, &lockeddata);
1856 }
1857
1858 return stat;
1859 }
1860
1861 GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
1862 {
1863 TRACE("%p\n", cachedbmp);
1864
1865 if(!cachedbmp)
1866 return InvalidParameter;
1867
1868 GdipDisposeImage(cachedbmp->image);
1869 GdipFree(cachedbmp);
1870
1871 return Ok;
1872 }
1873
1874 GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
1875 GpCachedBitmap *cachedbmp, INT x, INT y)
1876 {
1877 TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
1878
1879 if(!graphics || !cachedbmp)
1880 return InvalidParameter;
1881
1882 return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
1883 }
1884
1885 GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16,
1886 LPBYTE pData16, INT iMapMode, INT eFlags)
1887 {
1888 FIXME("(%p, %d, %p, %d, %d): stub\n", hemf, cbData16, pData16, iMapMode, eFlags);
1889 return NotImplemented;
1890 }
1891
1892 /* Internal utility function: Replace the image data of dst with that of src,
1893 * and free src. */
1894 static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
1895 {
1896 GdipFree(dst->bitmapbits);
1897 DeleteDC(dst->hdc);
1898 DeleteObject(dst->hbitmap);
1899
1900 if (clobber_palette)
1901 {
1902 GdipFree(dst->image.palette_entries);
1903 dst->image.palette_flags = src->image.palette_flags;
1904 dst->image.palette_count = src->image.palette_count;
1905 dst->image.palette_entries = src->image.palette_entries;
1906 }
1907 else
1908 GdipFree(src->image.palette_entries);
1909
1910 dst->image.xres = src->image.xres;
1911 dst->image.yres = src->image.yres;
1912 dst->width = src->width;
1913 dst->height = src->height;
1914 dst->format = src->format;
1915 dst->hbitmap = src->hbitmap;
1916 dst->hdc = src->hdc;
1917 dst->bits = src->bits;
1918 dst->stride = src->stride;
1919
1920 GdipFree(src);
1921 }
1922
1923 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
1924 {
1925 TRACE("%p\n", image);
1926
1927 if(!image)
1928 return InvalidParameter;
1929
1930 if (image->picture)
1931 IPicture_Release(image->picture);
1932 if (image->type == ImageTypeBitmap)
1933 {
1934 GdipFree(((GpBitmap*)image)->bitmapbits);
1935 DeleteDC(((GpBitmap*)image)->hdc);
1936 DeleteObject(((GpBitmap*)image)->hbitmap);
1937 }
1938 GdipFree(image->palette_entries);
1939 GdipFree(image);
1940
1941 return Ok;
1942 }
1943
1944 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
1945 {
1946 static int calls;
1947
1948 TRACE("(%p,%p)\n", image, item);
1949
1950 if(!image || !item)
1951 return InvalidParameter;
1952
1953 if (!(calls++))
1954 FIXME("not implemented\n");
1955
1956 return NotImplemented;
1957 }
1958
1959 GpStatus WINGDIPAPI GdipGetImageItemData(GpImage *image, ImageItemData *item)
1960 {
1961 static int calls;
1962
1963 TRACE("(%p,%p)\n", image, item);
1964
1965 if (!(calls++))
1966 FIXME("not implemented\n");
1967
1968 return NotImplemented;
1969 }
1970
1971 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
1972 GpUnit *srcUnit)
1973 {
1974 TRACE("%p %p %p\n", image, srcRect, srcUnit);
1975
1976 if(!image || !srcRect || !srcUnit)
1977 return InvalidParameter;
1978 if(image->type == ImageTypeMetafile){
1979 *srcRect = ((GpMetafile*)image)->bounds;
1980 *srcUnit = ((GpMetafile*)image)->unit;
1981 }
1982 else if(image->type == ImageTypeBitmap){
1983 srcRect->X = srcRect->Y = 0.0;
1984 srcRect->Width = (REAL) ((GpBitmap*)image)->width;
1985 srcRect->Height = (REAL) ((GpBitmap*)image)->height;
1986 *srcUnit = UnitPixel;
1987 }
1988 else{
1989 srcRect->X = srcRect->Y = 0.0;
1990 srcRect->Width = ipicture_pixel_width(image->picture);
1991 srcRect->Height = ipicture_pixel_height(image->picture);
1992 *srcUnit = UnitPixel;
1993 }
1994
1995 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
1996 srcRect->Width, srcRect->Height, *srcUnit);
1997
1998 return Ok;
1999 }
2000
2001 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
2002 REAL *height)
2003 {
2004 TRACE("%p %p %p\n", image, width, height);
2005
2006 if(!image || !height || !width)
2007 return InvalidParameter;
2008
2009 if(image->type == ImageTypeMetafile){
2010 HDC hdc = GetDC(0);
2011
2012 *height = convert_unit(hdc, ((GpMetafile*)image)->unit) *
2013 ((GpMetafile*)image)->bounds.Height;
2014
2015 *width = convert_unit(hdc, ((GpMetafile*)image)->unit) *
2016 ((GpMetafile*)image)->bounds.Width;
2017
2018 ReleaseDC(0, hdc);
2019 }
2020
2021 else if(image->type == ImageTypeBitmap){
2022 *height = ((GpBitmap*)image)->height;
2023 *width = ((GpBitmap*)image)->width;
2024 }
2025 else{
2026 *height = ipicture_pixel_height(image->picture);
2027 *width = ipicture_pixel_width(image->picture);
2028 }
2029
2030 TRACE("returning (%f, %f)\n", *height, *width);
2031 return Ok;
2032 }
2033
2034 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
2035 GpGraphics **graphics)
2036 {
2037 HDC hdc;
2038 GpStatus stat;
2039
2040 TRACE("%p %p\n", image, graphics);
2041
2042 if(!image || !graphics)
2043 return InvalidParameter;
2044
2045 if(image->type != ImageTypeBitmap){
2046 FIXME("not implemented for image type %d\n", image->type);
2047 return NotImplemented;
2048 }
2049
2050 hdc = ((GpBitmap*)image)->hdc;
2051
2052 if(!hdc){
2053 hdc = CreateCompatibleDC(0);
2054 SelectObject(hdc, ((GpBitmap*)image)->hbitmap);
2055 ((GpBitmap*)image)->hdc = hdc;
2056 }
2057
2058 stat = GdipCreateFromHDC(hdc, graphics);
2059
2060 if (stat == Ok)
2061 (*graphics)->image = image;
2062
2063 return stat;
2064 }
2065
2066 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
2067 {
2068 TRACE("%p %p\n", image, height);
2069
2070 if(!image || !height)
2071 return InvalidParameter;
2072
2073 if(image->type == ImageTypeMetafile){
2074 HDC hdc = GetDC(0);
2075
2076 *height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
2077 ((GpMetafile*)image)->bounds.Height);
2078
2079 ReleaseDC(0, hdc);
2080 }
2081 else if(image->type == ImageTypeBitmap)
2082 *height = ((GpBitmap*)image)->height;
2083 else
2084 *height = ipicture_pixel_height(image->picture);
2085
2086 TRACE("returning %d\n", *height);
2087
2088 return Ok;
2089 }
2090
2091 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
2092 {
2093 if(!image || !res)
2094 return InvalidParameter;
2095
2096 *res = image->xres;
2097
2098 TRACE("(%p) <-- %0.2f\n", image, *res);
2099
2100 return Ok;
2101 }
2102
2103 GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
2104 {
2105 TRACE("%p %p\n", image, size);
2106
2107 if(!image || !size)
2108 return InvalidParameter;
2109
2110 if (image->palette_count == 0)
2111 *size = sizeof(ColorPalette);
2112 else
2113 *size = sizeof(UINT)*2 + sizeof(ARGB)*image->palette_count;
2114
2115 TRACE("<-- %u\n", *size);
2116
2117 return Ok;
2118 }
2119
2120 /* FIXME: test this function for non-bitmap types */
2121 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
2122 {
2123 TRACE("%p %p\n", image, format);
2124
2125 if(!image || !format)
2126 return InvalidParameter;
2127
2128 if(image->type != ImageTypeBitmap)
2129 *format = PixelFormat24bppRGB;
2130 else
2131 *format = ((GpBitmap*) image)->format;
2132
2133 return Ok;
2134 }
2135
2136 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
2137 {
2138 TRACE("(%p, %p)\n", image, format);
2139
2140 if(!image || !format)
2141 return InvalidParameter;
2142
2143 memcpy(format, &image->format, sizeof(GUID));
2144
2145 return Ok;
2146 }
2147
2148 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
2149 {
2150 TRACE("%p %p\n", image, type);
2151
2152 if(!image || !type)
2153 return InvalidParameter;
2154
2155 *type = image->type;
2156
2157 return Ok;
2158 }
2159
2160 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
2161 {
2162 if(!image || !res)
2163 return InvalidParameter;
2164
2165 *res = image->yres;
2166
2167 TRACE("(%p) <-- %0.2f\n", image, *res);
2168
2169 return Ok;
2170 }
2171
2172 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
2173 {
2174 TRACE("%p %p\n", image, width);
2175
2176 if(!image || !width)
2177 return InvalidParameter;
2178
2179 if(image->type == ImageTypeMetafile){
2180 HDC hdc = GetDC(0);
2181
2182 *width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
2183 ((GpMetafile*)image)->bounds.Width);
2184
2185 ReleaseDC(0, hdc);
2186 }
2187 else if(image->type == ImageTypeBitmap)
2188 *width = ((GpBitmap*)image)->width;
2189 else
2190 *width = ipicture_pixel_width(image->picture);
2191
2192 TRACE("returning %d\n", *width);
2193
2194 return Ok;
2195 }
2196
2197 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
2198 MetafileHeader * header)
2199 {
2200 static int calls;
2201
2202 TRACE("(%p, %p)\n", metafile, header);
2203
2204 if(!metafile || !header)
2205 return InvalidParameter;
2206
2207 if(!(calls++))
2208 FIXME("not implemented\n");
2209
2210 memset(header, 0, sizeof(MetafileHeader));
2211
2212 return Ok;
2213 }
2214
2215 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromEmf(HENHMETAFILE hEmf,
2216 MetafileHeader *header)
2217 {
2218 static int calls;
2219
2220 if(!hEmf || !header)
2221 return InvalidParameter;
2222
2223 if(!(calls++))
2224 FIXME("not implemented\n");
2225
2226 memset(header, 0, sizeof(MetafileHeader));
2227
2228 return Ok;
2229 }
2230
2231 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
2232 UINT num, PropertyItem* items)
2233 {
2234 static int calls;
2235
2236 TRACE("(%p, %u, %u, %p)\n", image, size, num, items);
2237
2238 if(!(calls++))
2239 FIXME("not implemented\n");
2240
2241 return InvalidParameter;
2242 }
2243
2244 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
2245 {
2246 static int calls;
2247
2248 TRACE("(%p, %p)\n", image, num);
2249
2250 if(!(calls++))
2251 FIXME("not implemented\n");
2252
2253 return InvalidParameter;
2254 }
2255
2256 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
2257 {
2258 static int calls;
2259
2260 TRACE("(%p, %u, %p)\n", image, num, list);
2261
2262 if(!(calls++))
2263 FIXME("not implemented\n");
2264
2265 return InvalidParameter;
2266 }
2267
2268 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
2269 PropertyItem* buffer)
2270 {
2271 static int calls;
2272
2273 TRACE("(%p, %u, %u, %p)\n", image, id, size, buffer);
2274
2275 if(!(calls++))
2276 FIXME("not implemented\n");
2277
2278 return InvalidParameter;
2279 }
2280
2281 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
2282 UINT* size)
2283 {
2284 static int calls;
2285
2286 TRACE("%p %x %p\n", image, pid, size);
2287
2288 if(!size || !image)
2289 return InvalidParameter;
2290
2291 if(!(calls++))
2292 FIXME("not implemented\n");
2293
2294 return NotImplemented;
2295 }
2296
2297 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
2298 {
2299 static int calls;
2300
2301 TRACE("(%p,%p,%p)\n", image, size, num);
2302
2303 if(!(calls++))
2304 FIXME("not implemented\n");
2305
2306 return InvalidParameter;
2307 }
2308
2309 struct image_format_dimension
2310 {
2311 const GUID *format;
2312 const GUID *dimension;
2313 };
2314
2315 struct image_format_dimension image_format_dimensions[] =
2316 {
2317 {&ImageFormatGIF, &FrameDimensionTime},
2318 {&ImageFormatIcon, &FrameDimensionResolution},
2319 {NULL}
2320 };
2321
2322 /* FIXME: Need to handle multi-framed images */
2323 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
2324 GDIPCONST GUID* dimensionID, UINT* count)
2325 {
2326 static int calls;
2327
2328 TRACE("(%p,%s,%p)\n", image, debugstr_guid(dimensionID), count);
2329
2330 if(!image || !count)
2331 return InvalidParameter;
2332
2333 if(!(calls++))
2334 FIXME("returning frame count of 1\n");
2335
2336 *count = 1;
2337
2338 return Ok;
2339 }
2340
2341 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
2342 UINT* count)
2343 {
2344 TRACE("(%p, %p)\n", image, count);
2345
2346 /* Native gdiplus 1.1 does not yet support multiple frame dimensions. */
2347
2348 if(!image || !count)
2349 return InvalidParameter;
2350
2351 *count = 1;
2352
2353 return Ok;
2354 }
2355
2356 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
2357 GUID* dimensionIDs, UINT count)
2358 {
2359 int i;
2360 const GUID *result=NULL;
2361
2362 TRACE("(%p,%p,%u)\n", image, dimensionIDs, count);
2363
2364 if(!image || !dimensionIDs || count != 1)
2365 return InvalidParameter;
2366
2367 for (i=0; image_format_dimensions[i].format; i++)
2368 {
2369 if (IsEqualGUID(&image->format, image_format_dimensions[i].format))
2370 {
2371 result = image_format_dimensions[i].dimension;
2372 break;
2373 }
2374 }
2375
2376 if (!result)
2377 result = &FrameDimensionPage;
2378
2379 memcpy(dimensionIDs, result, sizeof(GUID));
2380
2381 return Ok;
2382 }
2383
2384 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
2385 GDIPCONST GUID* dimensionID, UINT frameidx)
2386 {
2387 static int calls;
2388
2389 TRACE("(%p, %s, %u)\n", image, debugstr_guid(dimensionID), frameidx);
2390
2391 if(!image || !dimensionID)
2392 return InvalidParameter;
2393
2394 if(!(calls++))
2395 FIXME("not implemented\n");
2396
2397 return Ok;
2398 }
2399
2400 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
2401 GpImage **image)
2402 {
2403 GpStatus stat;
2404 IStream *stream;
2405
2406 TRACE("(%s) %p\n", debugstr_w(filename), image);
2407
2408 if (!filename || !image)
2409 return InvalidParameter;
2410
2411 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
2412
2413 if (stat != Ok)
2414 return stat;
2415
2416 stat = GdipLoadImageFromStream(stream, image);
2417
2418 IStream_Release(stream);
2419
2420 return stat;
2421 }
2422
2423 /* FIXME: no icm handling */
2424 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
2425 {
2426 TRACE("(%s) %p\n", debugstr_w(filename), image);
2427
2428 return GdipLoadImageFromFile(filename, image);
2429 }
2430
2431 static const WICPixelFormatGUID *wic_pixel_formats[] = {
2432 &GUID_WICPixelFormat16bppBGR555,
2433 &GUID_WICPixelFormat24bppBGR,
2434 &GUID_WICPixelFormat32bppBGR,
2435 &GUID_WICPixelFormat32bppBGRA,
2436 &GUID_WICPixelFormat32bppPBGRA,
2437 NULL
2438 };
2439
2440 static const PixelFormat wic_gdip_formats[] = {
2441 PixelFormat16bppRGB555,
2442 PixelFormat24bppRGB,
2443 PixelFormat32bppRGB,
2444 PixelFormat32bppARGB,
2445 PixelFormat32bppPARGB,
2446 };
2447
2448 static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, GpImage **image)
2449 {
2450 GpStatus status=Ok;
2451 GpBitmap *bitmap;
2452 HRESULT hr;
2453 IWICBitmapDecoder *decoder;
2454 IWICBitmapFrameDecode *frame;
2455 IWICBitmapSource *source=NULL;
2456 WICPixelFormatGUID wic_format;
2457 PixelFormat gdip_format=0;
2458 int i;
2459 UINT width, height;
2460 BitmapData lockeddata;
2461 WICRect wrc;
2462 HRESULT initresult;
2463
2464 initresult = CoInitialize(NULL);
2465
2466 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2467 &IID_IWICBitmapDecoder, (void**)&decoder);
2468 if (FAILED(hr)) goto end;
2469
2470 hr = IWICBitmapDecoder_Initialize(decoder, (IStream*)stream, WICDecodeMetadataCacheOnLoad);
2471 if (SUCCEEDED(hr))
2472 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
2473
2474 if (SUCCEEDED(hr)) /* got frame */
2475 {
2476 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format);
2477
2478 if (SUCCEEDED(hr))
2479 {
2480 for (i=0; wic_pixel_formats[i]; i++)
2481 {
2482 if (IsEqualGUID(&wic_format, wic_pixel_formats[i]))
2483 {
2484 source = (IWICBitmapSource*)frame;
2485 IWICBitmapSource_AddRef(source);
2486 gdip_format = wic_gdip_formats[i];
2487 break;
2488 }
2489 }
2490 if (!source)
2491 {
2492 /* unknown format; fall back on 32bppARGB */
2493 hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, (IWICBitmapSource*)frame, &source);
2494 gdip_format = PixelFormat32bppARGB;
2495 }
2496 }
2497
2498 if (SUCCEEDED(hr)) /* got source */
2499 {
2500 hr = IWICBitmapSource_GetSize(source, &width, &height);
2501
2502 if (SUCCEEDED(hr))
2503 status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format,
2504 NULL, &bitmap);
2505
2506 if (SUCCEEDED(hr) && status == Ok) /* created bitmap */
2507 {
2508 status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite,
2509 gdip_format, &lockeddata);
2510 if (status == Ok) /* locked bitmap */
2511 {
2512 wrc.X = 0;
2513 wrc.Width = width;
2514 wrc.Height = 1;
2515 for (i=0; i<height; i++)
2516 {
2517 wrc.Y = i;
2518 hr = IWICBitmapSource_CopyPixels(source, &wrc, abs(lockeddata.Stride),
2519 abs(lockeddata.Stride), (BYTE*)lockeddata.Scan0+lockeddata.Stride*i);
2520 if (FAILED(hr)) break;
2521 }
2522
2523 GdipBitmapUnlockBits(bitmap, &lockeddata);
2524 }
2525
2526 if (SUCCEEDED(hr) && status == Ok)
2527 *image = (GpImage*)bitmap;
2528 else
2529 {
2530 *image = NULL;
2531 GdipDisposeImage((GpImage*)bitmap);
2532 }
2533 }
2534
2535 IWICBitmapSource_Release(source);
2536 }
2537
2538 IWICBitmapFrameDecode_Release(frame);
2539 }
2540
2541 IWICBitmapDecoder_Release(decoder);
2542
2543 end:
2544 if (SUCCEEDED(initresult)) CoUninitialize();
2545
2546 if (FAILED(hr) && status == Ok) status = hresult_to_status(hr);
2547
2548 return status;
2549 }
2550
2551 static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, GpImage **image)
2552 {
2553 return decode_image_wic(stream, &CLSID_WICIcoDecoder, image);
2554 }
2555
2556 static GpStatus decode_image_bmp(IStream* stream, REFCLSID clsid, GpImage **image)
2557 {
2558 GpStatus status;
2559 GpBitmap* bitmap;
2560
2561 status = decode_image_wic(stream, &CLSID_WICBmpDecoder, image);
2562
2563 bitmap = (GpBitmap*)*image;
2564
2565 if (status == Ok && bitmap->format == PixelFormat32bppARGB)
2566 {
2567 /* WIC supports bmp files with alpha, but gdiplus does not */
2568 bitmap->format = PixelFormat32bppRGB;
2569 }
2570
2571 return status;
2572 }
2573
2574 static GpStatus decode_image_jpeg(IStream* stream, REFCLSID clsid, GpImage **image)
2575 {
2576 return decode_image_wic(stream, &CLSID_WICJpegDecoder, image);
2577 }
2578
2579 static GpStatus decode_image_png(IStream* stream, REFCLSID clsid, GpImage **image)
2580 {
2581 return decode_image_wic(stream, &CLSID_WICPngDecoder, image);
2582 }
2583
2584 static GpStatus decode_image_gif(IStream* stream, REFCLSID clsid, GpImage **image)
2585 {
2586 return decode_image_wic(stream, &CLSID_WICGifDecoder, image);
2587 }
2588
2589 static GpStatus decode_image_tiff(IStream* stream, REFCLSID clsid, GpImage **image)
2590 {
2591 return decode_image_wic(stream, &CLSID_WICTiffDecoder, image);
2592 }
2593
2594 static GpStatus decode_image_olepicture_metafile(IStream* stream, REFCLSID clsid, GpImage **image)
2595 {
2596 IPicture *pic;
2597
2598 TRACE("%p %p\n", stream, image);
2599
2600 if(!stream || !image)
2601 return InvalidParameter;
2602
2603 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
2604 (LPVOID*) &pic) != S_OK){
2605 TRACE("Could not load picture\n");
2606 return GenericError;
2607 }
2608
2609 /* FIXME: missing initialization code */
2610 *image = GdipAlloc(sizeof(GpMetafile));
2611 if(!*image) return OutOfMemory;
2612 (*image)->type = ImageTypeMetafile;
2613 (*image)->picture = pic;
2614 (*image)->flags = ImageFlagsNone;
2615 (*image)->palette_flags = 0;
2616 (*image)->palette_count = 0;
2617 (*image)->palette_size = 0;
2618 (*image)->palette_entries = NULL;
2619
2620 TRACE("<-- %p\n", *image);
2621
2622 return Ok;
2623 }
2624
2625 typedef GpStatus (*encode_image_func)(GpImage *image, IStream* stream,
2626 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params);
2627
2628 typedef GpStatus (*decode_image_func)(IStream *stream, REFCLSID clsid, GpImage** image);
2629
2630 typedef struct image_codec {
2631 ImageCodecInfo info;
2632 encode_image_func encode_func;
2633 decode_image_func decode_func;
2634 } image_codec;
2635
2636 typedef enum {
2637 BMP,
2638 JPEG,
2639 GIF,
2640 TIFF,
2641 EMF,
2642 WMF,
2643 PNG,
2644 ICO,
2645 NUM_CODECS
2646 } ImageFormat;
2647
2648 static const struct image_codec codecs[NUM_CODECS];
2649
2650 static GpStatus get_decoder_info(IStream* stream, const struct image_codec **result)
2651 {
2652 BYTE signature[8];
2653 const BYTE *pattern, *mask;
2654 LARGE_INTEGER seek;
2655 HRESULT hr;
2656 UINT bytesread;
2657 int i, j, sig;
2658
2659 /* seek to the start of the stream */
2660 seek.QuadPart = 0;
2661 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2662 if (FAILED(hr)) return hresult_to_status(hr);
2663
2664 /* read the first 8 bytes */
2665 /* FIXME: This assumes all codecs have signatures <= 8 bytes in length */
2666 hr = IStream_Read(stream, signature, 8, &bytesread);
2667 if (FAILED(hr)) return hresult_to_status(hr);
2668 if (hr == S_FALSE || bytesread == 0) return GenericError;
2669
2670 for (i = 0; i < NUM_CODECS; i++) {
2671 if ((codecs[i].info.Flags & ImageCodecFlagsDecoder) &&
2672 bytesread >= codecs[i].info.SigSize)
2673 {
2674 for (sig=0; sig<codecs[i].info.SigCount; sig++)
2675 {
2676 pattern = &codecs[i].info.SigPattern[codecs[i].info.SigSize*sig];
2677 mask = &codecs[i].info.SigMask[codecs[i].info.SigSize*sig];
2678 for (j=0; j<codecs[i].info.SigSize; j++)
2679 if ((signature[j] & mask[j]) != pattern[j])
2680 break;
2681 if (j == codecs[i].info.SigSize)
2682 {
2683 *result = &codecs[i];
2684 return Ok;
2685 }
2686 }
2687 }
2688 }
2689
2690 TRACE("no match for %i byte signature %x %x %x %x %x %x %x %x\n", bytesread,
2691 signature[0],signature[1],signature[2],signature[3],
2692 signature[4],signature[5],signature[6],signature[7]);
2693
2694 return GenericError;
2695 }
2696
2697 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
2698 {
2699 GpStatus stat;
2700 LARGE_INTEGER seek;
2701 HRESULT hr;
2702 const struct image_codec *codec=NULL;
2703
2704 /* choose an appropriate image decoder */
2705 stat = get_decoder_info(stream, &codec);
2706 if (stat != Ok) return stat;
2707
2708 /* seek to the start of the stream */
2709 seek.QuadPart = 0;
2710 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2711 if (FAILED(hr)) return hresult_to_status(hr);
2712
2713 /* call on the image decoder to do the real work */
2714 stat = codec->decode_func(stream, &codec->info.Clsid, image);
2715
2716 /* take note of the original data format */
2717 if (stat == Ok)
2718 {
2719 memcpy(&(*image)->format, &codec->info.FormatID, sizeof(GUID));
2720 }
2721
2722 return stat;
2723 }
2724
2725 /* FIXME: no ICM */
2726 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
2727 {
2728 TRACE("%p %p\n", stream, image);
2729
2730 return GdipLoadImageFromStream(stream, image);
2731 }
2732
2733 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
2734 {
2735 static int calls;
2736
2737 TRACE("(%p,%u)\n", image, propId);
2738
2739 if(!image)
2740 return InvalidParameter;
2741
2742 if(!(calls++))
2743 FIXME("not implemented\n");
2744
2745 return NotImplemented;
2746 }
2747
2748 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
2749 {
2750 static int calls;
2751
2752 TRACE("(%p,%p)\n", image, item);
2753
2754 if(!(calls++))
2755 FIXME("not implemented\n");
2756
2757 return NotImplemented;
2758 }
2759
2760 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
2761 GDIPCONST CLSID *clsidEncoder,
2762 GDIPCONST EncoderParameters *encoderParams)
2763 {
2764 GpStatus stat;
2765 IStream *stream;
2766
2767 TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
2768
2769 if (!image || !filename|| !clsidEncoder)
2770 return InvalidParameter;
2771
2772 stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
2773 if (stat != Ok)
2774 return GenericError;
2775
2776 stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
2777
2778 IStream_Release(stream);
2779 return stat;
2780 }
2781
2782 /*************************************************************************
2783 * Encoding functions -
2784 * These functions encode an image in different image file formats.
2785 */
2786 #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
2787 #define BITMAP_FORMAT_JPEG 0xd8ff
2788 #define BITMAP_FORMAT_GIF 0x4947
2789 #define BITMAP_FORMAT_PNG 0x5089
2790 #define BITMAP_FORMAT_APM 0xcdd7
2791
2792 static GpStatus encode_image_WIC(GpImage *image, IStream* stream,
2793 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2794 {
2795 GpStatus stat;
2796 GpBitmap *bitmap;
2797 IWICBitmapEncoder *encoder;
2798 IWICBitmapFrameEncode *frameencode;
2799 IPropertyBag2 *encoderoptions;
2800 HRESULT hr;
2801 UINT width, height;
2802 PixelFormat gdipformat=0;
2803 WICPixelFormatGUID wicformat;
2804 GpRect rc;
2805 BitmapData lockeddata;
2806 HRESULT initresult;
2807 UINT i;
2808
2809 if (image->type != ImageTypeBitmap)
2810 return GenericError;
2811
2812 bitmap = (GpBitmap*)image;
2813
2814 GdipGetImageWidth(image, &width);
2815 GdipGetImageHeight(image, &height);
2816
2817 rc.X = 0;
2818 rc.Y = 0;
2819 rc.Width = width;
2820 rc.Height = height;
2821
2822 initresult = CoInitialize(NULL);
2823
2824 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2825 &IID_IWICBitmapEncoder, (void**)&encoder);
2826 if (FAILED(hr))
2827 {
2828 if (SUCCEEDED(initresult)) CoUninitialize();
2829 return hresult_to_status(hr);
2830 }
2831
2832 hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache);
2833
2834 if (SUCCEEDED(hr))
2835 {
2836 hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
2837 }
2838
2839 if (SUCCEEDED(hr)) /* created frame */
2840 {
2841 hr = IWICBitmapFrameEncode_Initialize(frameencode, encoderoptions);
2842
2843 if (SUCCEEDED(hr))
2844 hr = IWICBitmapFrameEncode_SetSize(frameencode, width, height);
2845
2846 if (SUCCEEDED(hr))
2847 /* FIXME: use the resolution from the image */
2848 hr = IWICBitmapFrameEncode_SetResolution(frameencode, 96.0, 96.0);
2849
2850 if (SUCCEEDED(hr))
2851 {
2852 for (i=0; wic_pixel_formats[i]; i++)
2853 {
2854 if (wic_gdip_formats[i] == bitmap->format)
2855 break;
2856 }
2857 if (wic_pixel_formats[i])
2858 memcpy(&wicformat, wic_pixel_formats[i], sizeof(GUID));
2859 else
2860 memcpy(&wicformat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
2861
2862 hr = IWICBitmapFrameEncode_SetPixelFormat(frameencode, &wicformat);
2863
2864 for (i=0; wic_pixel_formats[i]; i++)
2865 {
2866 if (IsEqualGUID(&wicformat, wic_pixel_formats[i]))
2867 break;
2868 }
2869 if (wic_pixel_formats[i])
2870 gdipformat = wic_gdip_formats[i];
2871 else
2872 {
2873 ERR("cannot provide pixel format %s\n", debugstr_guid(&wicformat));
2874 hr = E_FAIL;
2875 }
2876 }
2877
2878 if (SUCCEEDED(hr))
2879 {
2880 stat = GdipBitmapLockBits(bitmap, &rc, ImageLockModeRead, gdipformat,
2881 &lockeddata);
2882
2883 if (stat == Ok)
2884 {
2885 UINT row_size = (lockeddata.Width * PIXELFORMATBPP(gdipformat) + 7)/8;
2886 BYTE *row;
2887
2888 /* write one row at a time in case stride is negative */
2889 row = lockeddata.Scan0;
2890 for (i=0; i<lockeddata.Height; i++)
2891 {
2892 hr = IWICBitmapFrameEncode_WritePixels(frameencode, 1, row_size, row_size, row);
2893 if (FAILED(hr)) break;
2894 row += lockeddata.Stride;
2895 }
2896
2897 GdipBitmapUnlockBits(bitmap, &lockeddata);
2898 }
2899 else
2900 hr = E_FAIL;
2901 }
2902
2903 if (SUCCEEDED(hr))
2904 hr = IWICBitmapFrameEncode_Commit(frameencode);
2905
2906 IWICBitmapFrameEncode_Release(frameencode);
2907 IPropertyBag2_Release(encoderoptions);
2908 }
2909
2910 if (SUCCEEDED(hr))
2911 hr = IWICBitmapEncoder_Commit(encoder);
2912
2913 IWICBitmapEncoder_Release(encoder);
2914
2915 if (SUCCEEDED(initresult)) CoUninitialize();
2916
2917 return hresult_to_status(hr);
2918 }
2919
2920 static GpStatus encode_image_BMP(GpImage *image, IStream* stream,
2921 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2922 {
2923 return encode_image_WIC(image, stream, &CLSID_WICBmpEncoder, params);
2924 }
2925
2926 static GpStatus encode_image_png(GpImage *image, IStream* stream,
2927 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2928 {
2929 return encode_image_WIC(image, stream, &CLSID_WICPngEncoder, params);
2930 }
2931
2932 /*****************************************************************************
2933 * GdipSaveImageToStream [GDIPLUS.@]
2934 */
2935 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
2936 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2937 {
2938 GpStatus stat;
2939 encode_image_func encode_image;
2940 int i;
2941
2942 TRACE("%p %p %p %p\n", image, stream, clsid, params);
2943
2944 if(!image || !stream)
2945 return InvalidParameter;
2946
2947 /* select correct encoder */
2948 encode_image = NULL;
2949 for (i = 0; i < NUM_CODECS; i++) {
2950 if ((codecs[i].info.Flags & ImageCodecFlagsEncoder) &&
2951 IsEqualCLSID(clsid, &codecs[i].info.Clsid))
2952 encode_image = codecs[i].encode_func;
2953 }
2954 if (encode_image == NULL)
2955 return UnknownImageFormat;
2956
2957 stat = encode_image(image, stream, clsid, params);
2958
2959 return stat;
2960 }
2961
2962 /*****************************************************************************
2963 * GdipGetImagePalette [GDIPLUS.@]
2964 */
2965 GpStatus WINGDIPAPI GdipGetImagePalette(GpImage *image, ColorPalette *palette, INT size)
2966 {
2967 TRACE("(%p,%p,%i)\n", image, palette, size);
2968
2969 if (!image || !palette)
2970 return InvalidParameter;
2971
2972 if (size < (sizeof(UINT)*2+sizeof(ARGB)*image->palette_count))
2973 {
2974 TRACE("<-- InsufficientBuffer\n");
2975 return InsufficientBuffer;
2976 }
2977
2978 palette->Flags = image->palette_flags;
2979 palette->Count = image->palette_count;
2980 memcpy(palette->Entries, image->palette_entries, sizeof(ARGB)*image->palette_count);
2981
2982 return Ok;
2983 }
2984
2985 /*****************************************************************************
2986 * GdipSetImagePalette [GDIPLUS.@]
2987 */
2988 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
2989 GDIPCONST ColorPalette *palette)
2990 {
2991 TRACE("(%p,%p)\n", image, palette);
2992
2993 if(!image || !palette || palette->Count > 256)
2994 return InvalidParameter;
2995
2996 if (palette->Count > image->palette_size)
2997 {
2998 ARGB *new_palette;
2999
3000 new_palette = GdipAlloc(sizeof(ARGB) * palette->Count);
3001 if (!new_palette) return OutOfMemory;
3002
3003 GdipFree(image->palette_entries);
3004 image->palette_entries = new_palette;
3005 image->palette_size = palette->Count;
3006 }
3007
3008 image->palette_flags = palette->Flags;
3009 image->palette_count = palette->Count;
3010 memcpy(image->palette_entries, palette->Entries, sizeof(ARGB)*palette->Count);
3011
3012 return Ok;
3013 }
3014
3015 /*************************************************************************
3016 * Encoders -
3017 * Structures that represent which formats we support for encoding.
3018 */
3019
3020 /* ImageCodecInfo creation routines taken from libgdiplus */
3021 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
3022 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
3023 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
3024 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
3025 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
3026 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
3027
3028 static const WCHAR jpeg_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0};
3029 static const WCHAR jpeg_extension[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0};
3030 static const WCHAR jpeg_mimetype[] = {'i','m','a','g','e','/','j','p','e','g', 0};
3031 static const WCHAR jpeg_format[] = {'J','P','E','G',0};
3032 static const BYTE jpeg_sig_pattern[] = { 0xFF, 0xD8 };
3033 static const BYTE jpeg_sig_mask[] = { 0xFF, 0xFF };
3034
3035 static const WCHAR gif_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0};
3036 static const WCHAR gif_extension[] = {'*','.','G','I','F',0};
3037 static const WCHAR gif_mimetype[] = {'i','m','a','g','e','/','g','i','f', 0};
3038 static const WCHAR gif_format[] = {'G','I','F',0};
3039 static const BYTE gif_sig_pattern[4] = "GIF8";
3040 static const BYTE gif_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3041
3042 static const WCHAR tiff_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'T','I','F','F', 0};
3043 static const WCHAR tiff_extension[] = {'*','.','T','I','F','F',';','*','.','T','I','F',0};
3044 static const WCHAR tiff_mimetype[] = {'i','m','a','g','e','/','t','i','f','f', 0};
3045 static const WCHAR tiff_format[] = {'T','I','F','F',0};
3046 static const BYTE tiff_sig_pattern[] = {0x49,0x49,42,0,0x4d,0x4d,0,42};
3047 static const BYTE tiff_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3048
3049 static const WCHAR emf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0};
3050 static const WCHAR emf_extension[] = {'*','.','E','M','F',0};
3051 static const WCHAR emf_mimetype[] = {'i','m','a','g','e','/','x','-','e','m','f', 0};
3052 static const WCHAR emf_format[] = {'E','M','F',0};
3053 static const BYTE emf_sig_pattern[] = { 0x01, 0x00, 0x00, 0x00 };
3054 static const BYTE emf_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3055
3056 static const WCHAR wmf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0};
3057 static const WCHAR wmf_extension[] = {'*','.','W','M','F',0};
3058 static const WCHAR wmf_mimetype[] = {'i','m','a','g','e','/','x','-','w','m','f', 0};
3059 static const WCHAR wmf_format[] = {'W','M','F',0};
3060 static const BYTE wmf_sig_pattern[] = { 0xd7, 0xcd };
3061 static const BYTE wmf_sig_mask[] = { 0xFF, 0xFF };
3062
3063 static const WCHAR png_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0};
3064 static const WCHAR png_extension[] = {'*','.','P','N','G',0};
3065 static const WCHAR png_mimetype[] = {'i','m','a','g','e','/','p','n','g', 0};
3066 static const WCHAR png_format[] = {'P','N','G',0};
3067 static const BYTE png_sig_pattern[] = { 137, 80, 78, 71, 13, 10, 26, 10, };
3068 static const BYTE png_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3069
3070 static const WCHAR ico_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0};
3071 static const WCHAR ico_extension[] = {'*','.','I','C','O',0};
3072 static const WCHAR ico_mimetype[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0};
3073 static const WCHAR ico_format[] = {'I','C','O',0};
3074 static const BYTE ico_sig_pattern[] = { 0x00, 0x00, 0x01, 0x00 };
3075 static const BYTE ico_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3076
3077 static const struct image_codec codecs[NUM_CODECS] = {
3078 {
3079 { /* BMP */
3080 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3081 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3082 /* CodecName */ bmp_codecname,
3083 /* DllName */ NULL,
3084 /* FormatDescription */ bmp_format,
3085 /* FilenameExtension */ bmp_extension,
3086 /* MimeType */ bmp_mimetype,
3087 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3088 /* Version */ 1,
3089 /* SigCount */ 1,
3090 /* SigSize */ 2,
3091 /* SigPattern */ bmp_sig_pattern,
3092 /* SigMask */ bmp_sig_mask,
3093 },
3094 encode_image_BMP,
3095 decode_image_bmp
3096 },
3097 {
3098 { /* JPEG */
3099 /* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3100 /* FormatID */ { 0xb96b3caeU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3101 /* CodecName */ jpeg_codecname,
3102 /* DllName */ NULL,
3103 /* FormatDescription */ jpeg_format,
3104 /* FilenameExtension */ jpeg_extension,
3105 /* MimeType */ jpeg_mimetype,
3106 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3107 /* Version */ 1,
3108 /* SigCount */ 1,
3109 /* SigSize */ 2,
3110 /* SigPattern */ jpeg_sig_pattern,
3111 /* SigMask */ jpeg_sig_mask,
3112 },
3113 NULL,
3114 decode_image_jpeg
3115 },
3116 {
3117 { /* GIF */
3118 /* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3119 /* FormatID */ { 0xb96b3cb0U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3120 /* CodecName */ gif_codecname,
3121 /* DllName */ NULL,
3122 /* FormatDescription */ gif_format,
3123 /* FilenameExtension */ gif_extension,
3124 /* MimeType */ gif_mimetype,
3125 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3126 /* Version */ 1,
3127 /* SigCount */ 1,
3128 /* SigSize */ 4,
3129 /* SigPattern */ gif_sig_pattern,
3130 /* SigMask */ gif_sig_mask,
3131 },
3132 NULL,
3133 decode_image_gif
3134 },
3135 {
3136 { /* TIFF */
3137 /* Clsid */ { 0x557cf405, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3138 /* FormatID */ { 0xb96b3cb1U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3139 /* CodecName */ tiff_codecname,
3140 /* DllName */ NULL,
3141 /* FormatDescription */ tiff_format,
3142 /* FilenameExtension */ tiff_extension,
3143 /* MimeType */ tiff_mimetype,
3144 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3145 /* Version */ 1,
3146 /* SigCount */ 2,
3147 /* SigSize */ 4,
3148 /* SigPattern */ tiff_sig_pattern,
3149 /* SigMask */ tiff_sig_mask,
3150 },
3151 NULL,
3152 decode_image_tiff
3153 },
3154 {
3155 { /* EMF */
3156 /* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3157 /* FormatID */ { 0xb96b3cacU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3158 /* CodecName */ emf_codecname,
3159 /* DllName */ NULL,
3160 /* FormatDescription */ emf_format,
3161 /* FilenameExtension */ emf_extension,
3162 /* MimeType */ emf_mimetype,
3163 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3164 /* Version */ 1,
3165 /* SigCount */ 1,
3166 /* SigSize */ 4,
3167 /* SigPattern */ emf_sig_pattern,
3168 /* SigMask */ emf_sig_mask,
3169 },
3170 NULL,
3171 decode_image_olepicture_metafile
3172 },
3173 {
3174 { /* WMF */
3175 /* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3176 /* FormatID */ { 0xb96b3cadU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3177 /* CodecName */ wmf_codecname,
3178 /* DllName */ NULL,
3179 /* FormatDescription */ wmf_format,
3180 /* FilenameExtension */ wmf_extension,
3181 /* MimeType */ wmf_mimetype,
3182 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3183 /* Version */ 1,
3184 /* SigCount */ 1,
3185 /* SigSize */ 2,
3186 /* SigPattern */ wmf_sig_pattern,
3187 /* SigMask */ wmf_sig_mask,
3188 },
3189 NULL,
3190 decode_image_olepicture_metafile
3191 },
3192 {
3193 { /* PNG */
3194 /* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3195 /* FormatID */ { 0xb96b3cafU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3196 /* CodecName */ png_codecname,
3197 /* DllName */ NULL,
3198 /* FormatDescription */ png_format,
3199 /* FilenameExtension */ png_extension,
3200 /* MimeType */ png_mimetype,
3201 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3202 /* Version */ 1,
3203 /* SigCount */ 1,
3204 /* SigSize */ 8,
3205 /* SigPattern */ png_sig_pattern,
3206 /* SigMask */ png_sig_mask,
3207 },
3208 encode_image_png,
3209 decode_image_png
3210 },
3211 {
3212 { /* ICO */
3213 /* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3214 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3215 /* CodecName */ ico_codecname,
3216 /* DllName */ NULL,
3217 /* FormatDescription */ ico_format,
3218 /* FilenameExtension */ ico_extension,
3219 /* MimeType */ ico_mimetype,
3220 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3221 /* Version */ 1,
3222 /* SigCount */ 1,
3223 /* SigSize */ 4,
3224 /* SigPattern */ ico_sig_pattern,
3225 /* SigMask */ ico_sig_mask,
3226 },
3227 NULL,
3228 decode_image_icon
3229 },
3230 };
3231
3232 /*****************************************************************************
3233 * GdipGetImageDecodersSize [GDIPLUS.@]
3234 */
3235 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
3236 {
3237 int decoder_count=0;
3238 int i;
3239 TRACE("%p %p\n", numDecoders, size);
3240
3241 if (!numDecoders || !size)
3242 return InvalidParameter;
3243
3244 for (i=0; i<NUM_CODECS; i++)
3245 {
3246 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3247 decoder_count++;
3248 }
3249
3250 *numDecoders = decoder_count;
3251 *size = decoder_count * sizeof(ImageCodecInfo);
3252
3253 return Ok;
3254 }
3255
3256 /*****************************************************************************
3257 * GdipGetImageDecoders [GDIPLUS.@]
3258 */
3259 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
3260 {
3261 int i, decoder_count=0;
3262 TRACE("%u %u %p\n", numDecoders, size, decoders);
3263
3264 if (!decoders ||
3265 size != numDecoders * sizeof(ImageCodecInfo))
3266 return GenericError;
3267
3268 for (i=0; i<NUM_CODECS; i++)
3269 {
3270 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3271 {
3272 if (decoder_count == numDecoders) return GenericError;
3273 memcpy(&decoders[decoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3274 decoder_count++;
3275 }
3276 }
3277
3278 if (decoder_count < numDecoders) return GenericError;
3279
3280 return Ok;
3281 }
3282
3283 /*****************************************************************************
3284 * GdipGetImageEncodersSize [GDIPLUS.@]
3285 */
3286 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
3287 {
3288 int encoder_count=0;
3289 int i;
3290 TRACE("%p %p\n", numEncoders, size);
3291
3292 if (!numEncoders || !size)
3293 return InvalidParameter;
3294
3295 for (i=0; i<NUM_CODECS; i++)
3296 {
3297 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3298 encoder_count++;
3299 }
3300
3301 *numEncoders = encoder_count;
3302 *size = encoder_count * sizeof(ImageCodecInfo);
3303
3304 return Ok;
3305 }
3306
3307 /*****************************************************************************
3308 * GdipGetImageEncoders [GDIPLUS.@]
3309 */
3310 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
3311 {
3312 int i, encoder_count=0;
3313 TRACE("%u %u %p\n", numEncoders, size, encoders);
3314
3315 if (!encoders ||
3316 size != numEncoders * sizeof(ImageCodecInfo))
3317 return GenericError;
3318
3319 for (i=0; i<NUM_CODECS; i++)
3320 {
3321 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3322 {
3323 if (encoder_count == numEncoders) return GenericError;
3324 memcpy(&encoders[encoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3325 encoder_count++;
3326 }
3327 }
3328
3329 if (encoder_count < numEncoders) return GenericError;
3330
3331 return Ok;
3332 }
3333
3334 GpStatus WINGDIPAPI GdipGetEncoderParameterListSize(GpImage *image,
3335 GDIPCONST CLSID* clsidEncoder, UINT *size)
3336 {
3337 static int calls;
3338
3339 TRACE("(%p,%s,%p)\n", image, debugstr_guid(clsidEncoder), size);
3340
3341 if(!(calls++))
3342 FIXME("not implemented\n");
3343
3344 *size = 0;
3345
3346 return NotImplemented;
3347 }
3348
3349 /*****************************************************************************
3350 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
3351 */
3352 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
3353 {
3354 BITMAP bm;
3355 GpStatus retval;
3356 PixelFormat format;
3357 BitmapData lockeddata;
3358 INT y;
3359
3360 TRACE("%p %p %p\n", hbm, hpal, bitmap);
3361
3362 if(!hbm || !bitmap)
3363 return InvalidParameter;
3364
3365 /* TODO: Support for device-dependent bitmaps */
3366 if(hpal){
3367 FIXME("no support for device-dependent bitmaps\n");
3368 return NotImplemented;
3369 }
3370
3371 if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
3372 return InvalidParameter;
3373
3374 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
3375 switch(bm.bmBitsPixel) {
3376 case 1:
3377 format = PixelFormat1bppIndexed;
3378 break;
3379 case 4:
3380 format = PixelFormat4bppIndexed;
3381 break;
3382 case 8:
3383 format = PixelFormat8bppIndexed;
3384 break;
3385 case 24:
3386 format = PixelFormat24bppRGB;
3387 break;
3388 case 32:
3389 format = PixelFormat32bppRGB;
3390 break;
3391 case 48:
3392 format = PixelFormat48bppRGB;
3393 break;
3394 default:
3395 FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
3396 return InvalidParameter;
3397 }
3398
3399 retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, 0,
3400 format, NULL, bitmap);
3401
3402 if (retval == Ok)
3403 {
3404 retval = GdipBitmapLockBits(*bitmap, NULL, ImageLockModeWrite,
3405 format, &lockeddata);
3406 if (retval == Ok)
3407 {
3408 if (bm.bmBits)
3409 {
3410 for (y=0; y<bm.bmHeight; y++)
3411 {
3412 memcpy((BYTE*)lockeddata.Scan0+lockeddata.Stride*y,
3413 (BYTE*)bm.bmBits+bm.bmWidthBytes*(bm.bmHeight-1-y),
3414 bm.bmWidthBytes);
3415 }
3416 }
3417 else
3418 {
3419 HDC hdc;
3420 HBITMAP oldhbm;
3421 BITMAPINFO *pbmi;
3422 INT src_height, dst_stride;
3423 BYTE *dst_bits;
3424
3425 hdc = CreateCompatibleDC(NULL);
3426 oldhbm = SelectObject(hdc, hbm);
3427
3428 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
3429
3430 if (pbmi)
3431 {
3432 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
3433 pbmi->bmiHeader.biBitCount = 0;
3434
3435 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
3436
3437 src_height = abs(pbmi->bmiHeader.biHeight);
3438
3439 if (pbmi->bmiHeader.biHeight > 0)
3440 {
3441 dst_bits = (BYTE*)lockeddata.Scan0+lockeddata.Stride*(src_height-1);
3442 dst_stride = -lockeddata.Stride;
3443 }
3444 else
3445 {
3446 dst_bits = lockeddata.Scan0;
3447 dst_stride = lockeddata.Stride;
3448 }
3449
3450 for (y=0; y<src_height; y++)
3451 {
3452 GetDIBits(hdc, hbm, y, 1, dst_bits+dst_stride*y,
3453 pbmi, DIB_RGB_COLORS);
3454 }
3455
3456 GdipFree(pbmi);
3457 }
3458 else
3459 retval = OutOfMemory;
3460
3461 SelectObject(hdc, oldhbm);
3462 DeleteDC(hdc);
3463 }
3464
3465 GdipBitmapUnlockBits(*bitmap, &lockeddata);
3466 }
3467 }
3468
3469 return retval;
3470 }
3471
3472 GpStatus WINGDIPAPI GdipDeleteEffect(CGpEffect *effect)
3473 {
3474 FIXME("(%p): stub\n", effect);
3475 /* note: According to Jose Roca's GDI+ Docs, this is not implemented
3476 * in Windows's gdiplus */
3477 return NotImplemented;
3478 }
3479
3480 /*****************************************************************************
3481 * GdipSetEffectParameters [GDIPLUS.@]
3482 */
3483 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
3484 const VOID *params, const UINT size)
3485 {
3486 static int calls;
3487
3488 TRACE("(%p,%p,%u)\n", effect, params, size);
3489
3490 if(!(calls++))
3491 FIXME("not implemented\n");
3492
3493 return NotImplemented;
3494 }
3495
3496 /*****************************************************************************
3497 * GdipGetImageFlags [GDIPLUS.@]
3498 */
3499 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
3500 {
3501 TRACE("%p %p\n", image, flags);
3502
3503 if(!image || !flags)
3504 return InvalidParameter;
3505
3506 *flags = image->flags;
3507
3508 return Ok;
3509 }
3510
3511 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
3512 {
3513 TRACE("(%d, %p)\n", control, param);
3514
3515 switch(control){
3516 case TestControlForceBilinear:
3517 if(param)
3518 FIXME("TestControlForceBilinear not handled\n");
3519 break;
3520 case TestControlNoICM:
3521 if(param)
3522 FIXME("TestControlNoICM not handled\n");
3523 break;
3524 case TestControlGetBuildNumber:
3525 *((DWORD*)param) = 3102;
3526 break;
3527 }
3528
3529 return Ok;
3530 }
3531
3532 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
3533 HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
3534 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
3535 GpMetafile **metafile)
3536 {
3537 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3538 frameUnit, debugstr_w(desc), metafile);
3539
3540 return NotImplemented;
3541 }
3542
3543 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
3544 GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
3545 GDIPCONST WCHAR *desc, GpMetafile **metafile)
3546 {
3547 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3548 frameUnit, debugstr_w(desc), metafile);
3549
3550 return NotImplemented;
3551 }
3552
3553 GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
3554 {
3555 TRACE("%p\n", image);
3556
3557 return Ok;
3558 }
3559
3560 /*****************************************************************************
3561 * GdipGetImageThumbnail [GDIPLUS.@]
3562 */
3563 GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT height,
3564 GpImage **ret_image, GetThumbnailImageAbort cb,
3565 VOID * cb_data)
3566 {
3567 GpStatus stat;
3568 GpGraphics *graphics;
3569 UINT srcwidth, srcheight;
3570
3571 TRACE("(%p %u %u %p %p %p)\n",
3572 image, width, height, ret_image, cb, cb_data);
3573
3574 if (!image || !ret_image)
3575 return InvalidParameter;
3576
3577 if (!width) width = 120;
3578 if (!height) height = 120;
3579
3580 GdipGetImageWidth(image, &srcwidth);
3581 GdipGetImageHeight(image, &srcheight);
3582
3583 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB,
3584 NULL, (GpBitmap**)ret_image);
3585
3586 if (stat == Ok)
3587 {
3588 stat = GdipGetImageGraphicsContext(*ret_image, &graphics);
3589
3590 if (stat == Ok)
3591 {
3592 stat = GdipDrawImageRectRectI(graphics, image,
3593 0, 0, width, height, 0, 0, srcwidth, srcheight, UnitPixel,
3594 NULL, NULL, NULL);
3595
3596 GdipDeleteGraphics(graphics);
3597 }
3598
3599 if (stat != Ok)
3600 {
3601 GdipDisposeImage(*ret_image);
3602 *ret_image = NULL;
3603 }
3604 }
3605
3606 return stat;
3607 }
3608
3609 /*****************************************************************************
3610 * GdipImageRotateFlip [GDIPLUS.@]
3611 */
3612 GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type)
3613 {
3614 GpBitmap *new_bitmap;
3615 GpBitmap *bitmap;
3616 int bpp, bytesperpixel;
3617 int rotate_90, flip_x, flip_y;
3618 int src_x_offset, src_y_offset;
3619 LPBYTE src_origin;
3620 UINT x, y, width, height;
3621 BitmapData src_lock, dst_lock;
3622 GpStatus stat;
3623
3624 TRACE("(%p, %u)\n", image, type);
3625
3626 rotate_90 = type&1;
3627 flip_x = (type&6) == 2 || (type&6) == 4;
3628 flip_y = (type&3) == 1 || (type&3) == 2;
3629
3630 if (image->type != ImageTypeBitmap)
3631 {
3632 FIXME("Not implemented for type %i\n", image->type);
3633 return NotImplemented;
3634 }
3635
3636 bitmap = (GpBitmap*)image;
3637 bpp = PIXELFORMATBPP(bitmap->format);
3638
3639 if (bpp < 8)
3640 {
3641 FIXME("Not implemented for %i bit images\n", bpp);
3642 return NotImplemented;
3643 }
3644
3645 if (rotate_90)
3646 {
3647 width = bitmap->height;
3648 height = bitmap->width;
3649 }
3650 else
3651 {
3652 width = bitmap->width;
3653 height = bitmap->height;
3654 }
3655
3656 bytesperpixel = bpp/8;
3657
3658 stat = GdipCreateBitmapFromScan0(width, height, 0, bitmap->format, NULL, &new_bitmap);
3659
3660 if (stat != Ok)
3661 return stat;
3662
3663 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, &src_lock);
3664
3665 if (stat == Ok)
3666 {
3667 stat = GdipBitmapLockBits(new_bitmap, NULL, ImageLockModeWrite, bitmap->format, &dst_lock);
3668
3669 if (stat == Ok)
3670 {
3671 LPBYTE src_row, src_pixel;
3672 LPBYTE dst_row, dst_pixel;
3673
3674 src_origin = src_lock.Scan0;
3675 if (flip_x) src_origin += bytesperpixel * (bitmap->width - 1);
3676 if (flip_y) src_origin += src_lock.Stride * (bitmap->height - 1);
3677
3678 if (rotate_90)
3679 {
3680 if (flip_y) src_x_offset = -src_lock.Stride;
3681 else src_x_offset = src_lock.Stride;
3682 if (flip_x) src_y_offset = -bytesperpixel;
3683 else src_y_offset = bytesperpixel;
3684 }
3685 else
3686 {
3687 if (flip_x) src_x_offset = -bytesperpixel;
3688 else src_x_offset = bytesperpixel;
3689 if (flip_y) src_y_offset = -src_lock.Stride;
3690 else src_y_offset = src_lock.Stride;
3691 }
3692
3693 src_row = src_origin;
3694 dst_row = dst_lock.Scan0;
3695 for (y=0; y<height; y++)
3696 {
3697 src_pixel = src_row;
3698 dst_pixel = dst_row;
3699 for (x=0; x<width; x++)
3700 {
3701 /* FIXME: This could probably be faster without memcpy. */
3702 memcpy(dst_pixel, src_pixel, bytesperpixel);
3703 dst_pixel += bytesperpixel;
3704 src_pixel += src_x_offset;
3705 }
3706 src_row += src_y_offset;
3707 dst_row += dst_lock.Stride;
3708 }
3709
3710 GdipBitmapUnlockBits(new_bitmap, &dst_lock);
3711 }
3712
3713 GdipBitmapUnlockBits(bitmap, &src_lock);
3714 }
3715
3716 if (stat == Ok)
3717 move_bitmap(bitmap, new_bitmap, FALSE);
3718 else
3719 GdipDisposeImage((GpImage*)new_bitmap);
3720
3721 return stat;
3722 }
useful hacks and other patches not (yet) suitable for mainline