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gdiplus: Create HBITMAP-less bitmap objects for exotic pixel formats.
[wine.git] / dlls / gdiplus / image.c
blob536eebbc4158401c0c73ed52c48efb430aaa0850
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=NULL;
1630 INT row_size, dib_stride;
1631 HDC hdc;
1632 BYTE *bits=NULL, *own_bits=NULL;
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 if (format & PixelFormatGDI)
1659 {
1660 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1661 if (!pbmi)
1662 return OutOfMemory;
1663
1664 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1665 pbmi->bmiHeader.biWidth = width;
1666 pbmi->bmiHeader.biHeight = -height;
1667 pbmi->bmiHeader.biPlanes = 1;
1668 /* FIXME: use the rest of the data from format */
1669 pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(format);
1670 pbmi->bmiHeader.biCompression = BI_RGB;
1671 pbmi->bmiHeader.biSizeImage = 0;
1672 pbmi->bmiHeader.biXPelsPerMeter = 0;
1673 pbmi->bmiHeader.biYPelsPerMeter = 0;
1674 pbmi->bmiHeader.biClrUsed = 0;
1675 pbmi->bmiHeader.biClrImportant = 0;
1676
1677 hdc = CreateCompatibleDC(NULL);
1678 if (!hdc) {
1679 GdipFree(pbmi);
1680 return GenericError;
1681 }
1682
1683 hbitmap = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
1684
1685 DeleteDC(hdc);
1686 GdipFree(pbmi);
1687
1688 if (!hbitmap) return GenericError;
1689 }
1690 else
1691 {
1692 /* Not a GDI format; don't try to make an HBITMAP. */
1693 if (scan0)
1694 {
1695 /* FIXME: We should do this with GDI formats too when scan0 is
1696 * provided, but for now we need the HDC for most drawing
1697 * operations. */
1698 bits = scan0;
1699 }
1700 else
1701 {
1702 INT size = abs(stride) * height;
1703
1704 own_bits = bits = GdipAlloc(size);
1705 if (!own_bits) return OutOfMemory;
1706
1707 if (stride < 0)
1708 bits += stride * (1 - height);
1709 }
1710 }
1711
1712 /* copy bits to the dib if necessary */
1713 /* FIXME: should reference the bits instead of copying them */
1714 if (scan0 && bits != scan0)
1715 for (i=0; i<height; i++)
1716 memcpy(bits+i*dib_stride, scan0+i*stride, row_size);
1717
1718 *bitmap = GdipAlloc(sizeof(GpBitmap));
1719 if(!*bitmap)
1720 {
1721 DeleteObject(hbitmap);
1722 GdipFree(own_bits);
1723 return OutOfMemory;
1724 }
1725
1726 (*bitmap)->image.type = ImageTypeBitmap;
1727 memcpy(&(*bitmap)->image.format, &ImageFormatMemoryBMP, sizeof(GUID));
1728 (*bitmap)->image.flags = ImageFlagsNone;
1729 (*bitmap)->image.palette_flags = 0;
1730 (*bitmap)->image.palette_count = 0;
1731 (*bitmap)->image.palette_size = 0;
1732 (*bitmap)->image.palette_entries = NULL;
1733 (*bitmap)->image.xres = xres;
1734 (*bitmap)->image.yres = yres;
1735 (*bitmap)->width = width;
1736 (*bitmap)->height = height;
1737 (*bitmap)->format = format;
1738 (*bitmap)->image.picture = NULL;
1739 (*bitmap)->hbitmap = hbitmap;
1740 (*bitmap)->hdc = NULL;
1741 (*bitmap)->bits = bits;
1742 (*bitmap)->stride = dib_stride;
1743 (*bitmap)->own_bits = own_bits;
1744
1745 if (format == PixelFormat1bppIndexed ||
1746 format == PixelFormat4bppIndexed ||
1747 format == PixelFormat8bppIndexed)
1748 {
1749 (*bitmap)->image.palette_size = (*bitmap)->image.palette_count = 1 << PIXELFORMATBPP(format);
1750 (*bitmap)->image.palette_entries = GdipAlloc(sizeof(ARGB) * ((*bitmap)->image.palette_size));
1751
1752 if (!(*bitmap)->image.palette_entries)
1753 {
1754 GdipDisposeImage(&(*bitmap)->image);
1755 *bitmap = NULL;
1756 return OutOfMemory;
1757 }
1758
1759 if (format == PixelFormat1bppIndexed)
1760 {
1761 (*bitmap)->image.palette_flags = PaletteFlagsGrayScale;
1762 (*bitmap)->image.palette_entries[0] = 0xff000000;
1763 (*bitmap)->image.palette_entries[1] = 0xffffffff;
1764 }
1765 else
1766 {
1767 if (format == PixelFormat8bppIndexed)
1768 (*bitmap)->image.palette_flags = PaletteFlagsHalftone;
1769
1770 generate_halftone_palette((*bitmap)->image.palette_entries,
1771 (*bitmap)->image.palette_count);
1772 }
1773 }
1774
1775 TRACE("<-- %p\n", *bitmap);
1776
1777 return Ok;
1778 }
1779
1780 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
1781 GpBitmap **bitmap)
1782 {
1783 GpStatus stat;
1784
1785 TRACE("%p %p\n", stream, bitmap);
1786
1787 stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
1788
1789 if(stat != Ok)
1790 return stat;
1791
1792 if((*bitmap)->image.type != ImageTypeBitmap){
1793 GdipDisposeImage(&(*bitmap)->image);
1794 *bitmap = NULL;
1795 return GenericError; /* FIXME: what error to return? */
1796 }
1797
1798 return Ok;
1799 }
1800
1801 /* FIXME: no icm */
1802 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
1803 GpBitmap **bitmap)
1804 {
1805 TRACE("%p %p\n", stream, bitmap);
1806
1807 return GdipCreateBitmapFromStream(stream, bitmap);
1808 }
1809
1810 GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
1811 GpCachedBitmap **cachedbmp)
1812 {
1813 GpStatus stat;
1814
1815 TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
1816
1817 if(!bitmap || !graphics || !cachedbmp)
1818 return InvalidParameter;
1819
1820 *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
1821 if(!*cachedbmp)
1822 return OutOfMemory;
1823
1824 stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
1825 if(stat != Ok){
1826 GdipFree(*cachedbmp);
1827 return stat;
1828 }
1829
1830 return Ok;
1831 }
1832
1833 GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon)
1834 {
1835 GpStatus stat;
1836 BitmapData lockeddata;
1837 ULONG andstride, xorstride, bitssize;
1838 LPBYTE andbits, xorbits, androw, xorrow, srcrow;
1839 UINT x, y;
1840
1841 TRACE("(%p, %p)\n", bitmap, hicon);
1842
1843 if (!bitmap || !hicon)
1844 return InvalidParameter;
1845
1846 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead,
1847 PixelFormat32bppPARGB, &lockeddata);
1848 if (stat == Ok)
1849 {
1850 andstride = ((lockeddata.Width+31)/32)*4;
1851 xorstride = lockeddata.Width*4;
1852 bitssize = (andstride + xorstride) * lockeddata.Height;
1853
1854 andbits = GdipAlloc(bitssize);
1855
1856 if (andbits)
1857 {
1858 xorbits = andbits + andstride * lockeddata.Height;
1859
1860 for (y=0; y<lockeddata.Height; y++)
1861 {
1862 srcrow = ((LPBYTE)lockeddata.Scan0) + lockeddata.Stride * y;
1863
1864 androw = andbits + andstride * y;
1865 for (x=0; x<lockeddata.Width; x++)
1866 if (srcrow[3+4*x] >= 128)
1867 androw[x/8] |= 1 << (7-x%8);
1868
1869 xorrow = xorbits + xorstride * y;
1870 memcpy(xorrow, srcrow, xorstride);
1871 }
1872
1873 *hicon = CreateIcon(NULL, lockeddata.Width, lockeddata.Height, 1, 32,
1874 andbits, xorbits);
1875
1876 GdipFree(andbits);
1877 }
1878 else
1879 stat = OutOfMemory;
1880
1881 GdipBitmapUnlockBits(bitmap, &lockeddata);
1882 }
1883
1884 return stat;
1885 }
1886
1887 GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
1888 {
1889 TRACE("%p\n", cachedbmp);
1890
1891 if(!cachedbmp)
1892 return InvalidParameter;
1893
1894 GdipDisposeImage(cachedbmp->image);
1895 GdipFree(cachedbmp);
1896
1897 return Ok;
1898 }
1899
1900 GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
1901 GpCachedBitmap *cachedbmp, INT x, INT y)
1902 {
1903 TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
1904
1905 if(!graphics || !cachedbmp)
1906 return InvalidParameter;
1907
1908 return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
1909 }
1910
1911 GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16,
1912 LPBYTE pData16, INT iMapMode, INT eFlags)
1913 {
1914 FIXME("(%p, %d, %p, %d, %d): stub\n", hemf, cbData16, pData16, iMapMode, eFlags);
1915 return NotImplemented;
1916 }
1917
1918 /* Internal utility function: Replace the image data of dst with that of src,
1919 * and free src. */
1920 static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
1921 {
1922 GdipFree(dst->bitmapbits);
1923 DeleteDC(dst->hdc);
1924 DeleteObject(dst->hbitmap);
1925
1926 if (clobber_palette)
1927 {
1928 GdipFree(dst->image.palette_entries);
1929 dst->image.palette_flags = src->image.palette_flags;
1930 dst->image.palette_count = src->image.palette_count;
1931 dst->image.palette_entries = src->image.palette_entries;
1932 }
1933 else
1934 GdipFree(src->image.palette_entries);
1935
1936 dst->image.xres = src->image.xres;
1937 dst->image.yres = src->image.yres;
1938 dst->width = src->width;
1939 dst->height = src->height;
1940 dst->format = src->format;
1941 dst->hbitmap = src->hbitmap;
1942 dst->hdc = src->hdc;
1943 dst->bits = src->bits;
1944 dst->stride = src->stride;
1945 dst->own_bits = src->own_bits;
1946
1947 GdipFree(src);
1948 }
1949
1950 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
1951 {
1952 TRACE("%p\n", image);
1953
1954 if(!image)
1955 return InvalidParameter;
1956
1957 if (image->picture)
1958 IPicture_Release(image->picture);
1959 if (image->type == ImageTypeBitmap)
1960 {
1961 GdipFree(((GpBitmap*)image)->bitmapbits);
1962 GdipFree(((GpBitmap*)image)->own_bits);
1963 DeleteDC(((GpBitmap*)image)->hdc);
1964 DeleteObject(((GpBitmap*)image)->hbitmap);
1965 }
1966 GdipFree(image->palette_entries);
1967 GdipFree(image);
1968
1969 return Ok;
1970 }
1971
1972 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
1973 {
1974 static int calls;
1975
1976 TRACE("(%p,%p)\n", image, item);
1977
1978 if(!image || !item)
1979 return InvalidParameter;
1980
1981 if (!(calls++))
1982 FIXME("not implemented\n");
1983
1984 return NotImplemented;
1985 }
1986
1987 GpStatus WINGDIPAPI GdipGetImageItemData(GpImage *image, ImageItemData *item)
1988 {
1989 static int calls;
1990
1991 TRACE("(%p,%p)\n", image, item);
1992
1993 if (!(calls++))
1994 FIXME("not implemented\n");
1995
1996 return NotImplemented;
1997 }
1998
1999 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
2000 GpUnit *srcUnit)
2001 {
2002 TRACE("%p %p %p\n", image, srcRect, srcUnit);
2003
2004 if(!image || !srcRect || !srcUnit)
2005 return InvalidParameter;
2006 if(image->type == ImageTypeMetafile){
2007 *srcRect = ((GpMetafile*)image)->bounds;
2008 *srcUnit = ((GpMetafile*)image)->unit;
2009 }
2010 else if(image->type == ImageTypeBitmap){
2011 srcRect->X = srcRect->Y = 0.0;
2012 srcRect->Width = (REAL) ((GpBitmap*)image)->width;
2013 srcRect->Height = (REAL) ((GpBitmap*)image)->height;
2014 *srcUnit = UnitPixel;
2015 }
2016 else{
2017 srcRect->X = srcRect->Y = 0.0;
2018 srcRect->Width = ipicture_pixel_width(image->picture);
2019 srcRect->Height = ipicture_pixel_height(image->picture);
2020 *srcUnit = UnitPixel;
2021 }
2022
2023 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
2024 srcRect->Width, srcRect->Height, *srcUnit);
2025
2026 return Ok;
2027 }
2028
2029 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
2030 REAL *height)
2031 {
2032 TRACE("%p %p %p\n", image, width, height);
2033
2034 if(!image || !height || !width)
2035 return InvalidParameter;
2036
2037 if(image->type == ImageTypeMetafile){
2038 HDC hdc = GetDC(0);
2039 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2040
2041 ReleaseDC(0, hdc);
2042
2043 *height = convert_unit(res, ((GpMetafile*)image)->unit) *
2044 ((GpMetafile*)image)->bounds.Height;
2045
2046 *width = convert_unit(res, ((GpMetafile*)image)->unit) *
2047 ((GpMetafile*)image)->bounds.Width;
2048 }
2049
2050 else if(image->type == ImageTypeBitmap){
2051 *height = ((GpBitmap*)image)->height;
2052 *width = ((GpBitmap*)image)->width;
2053 }
2054 else{
2055 *height = ipicture_pixel_height(image->picture);
2056 *width = ipicture_pixel_width(image->picture);
2057 }
2058
2059 TRACE("returning (%f, %f)\n", *height, *width);
2060 return Ok;
2061 }
2062
2063 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
2064 GpGraphics **graphics)
2065 {
2066 HDC hdc;
2067 GpStatus stat;
2068
2069 TRACE("%p %p\n", image, graphics);
2070
2071 if(!image || !graphics)
2072 return InvalidParameter;
2073
2074 if(image->type != ImageTypeBitmap){
2075 FIXME("not implemented for image type %d\n", image->type);
2076 return NotImplemented;
2077 }
2078
2079 if (((GpBitmap*)image)->hbitmap)
2080 {
2081 hdc = ((GpBitmap*)image)->hdc;
2082
2083 if(!hdc){
2084 hdc = CreateCompatibleDC(0);
2085 SelectObject(hdc, ((GpBitmap*)image)->hbitmap);
2086 ((GpBitmap*)image)->hdc = hdc;
2087 }
2088
2089 stat = GdipCreateFromHDC(hdc, graphics);
2090
2091 if (stat == Ok)
2092 (*graphics)->image = image;
2093 }
2094 else
2095 stat = graphics_from_image(image, graphics);
2096
2097 return stat;
2098 }
2099
2100 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
2101 {
2102 TRACE("%p %p\n", image, height);
2103
2104 if(!image || !height)
2105 return InvalidParameter;
2106
2107 if(image->type == ImageTypeMetafile){
2108 HDC hdc = GetDC(0);
2109 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2110
2111 ReleaseDC(0, hdc);
2112
2113 *height = roundr(convert_unit(res, ((GpMetafile*)image)->unit) *
2114 ((GpMetafile*)image)->bounds.Height);
2115 }
2116 else if(image->type == ImageTypeBitmap)
2117 *height = ((GpBitmap*)image)->height;
2118 else
2119 *height = ipicture_pixel_height(image->picture);
2120
2121 TRACE("returning %d\n", *height);
2122
2123 return Ok;
2124 }
2125
2126 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
2127 {
2128 if(!image || !res)
2129 return InvalidParameter;
2130
2131 *res = image->xres;
2132
2133 TRACE("(%p) <-- %0.2f\n", image, *res);
2134
2135 return Ok;
2136 }
2137
2138 GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
2139 {
2140 TRACE("%p %p\n", image, size);
2141
2142 if(!image || !size)
2143 return InvalidParameter;
2144
2145 if (image->palette_count == 0)
2146 *size = sizeof(ColorPalette);
2147 else
2148 *size = sizeof(UINT)*2 + sizeof(ARGB)*image->palette_count;
2149
2150 TRACE("<-- %u\n", *size);
2151
2152 return Ok;
2153 }
2154
2155 /* FIXME: test this function for non-bitmap types */
2156 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
2157 {
2158 TRACE("%p %p\n", image, format);
2159
2160 if(!image || !format)
2161 return InvalidParameter;
2162
2163 if(image->type != ImageTypeBitmap)
2164 *format = PixelFormat24bppRGB;
2165 else
2166 *format = ((GpBitmap*) image)->format;
2167
2168 return Ok;
2169 }
2170
2171 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
2172 {
2173 TRACE("(%p, %p)\n", image, format);
2174
2175 if(!image || !format)
2176 return InvalidParameter;
2177
2178 memcpy(format, &image->format, sizeof(GUID));
2179
2180 return Ok;
2181 }
2182
2183 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
2184 {
2185 TRACE("%p %p\n", image, type);
2186
2187 if(!image || !type)
2188 return InvalidParameter;
2189
2190 *type = image->type;
2191
2192 return Ok;
2193 }
2194
2195 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
2196 {
2197 if(!image || !res)
2198 return InvalidParameter;
2199
2200 *res = image->yres;
2201
2202 TRACE("(%p) <-- %0.2f\n", image, *res);
2203
2204 return Ok;
2205 }
2206
2207 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
2208 {
2209 TRACE("%p %p\n", image, width);
2210
2211 if(!image || !width)
2212 return InvalidParameter;
2213
2214 if(image->type == ImageTypeMetafile){
2215 HDC hdc = GetDC(0);
2216 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2217
2218 ReleaseDC(0, hdc);
2219
2220 *width = roundr(convert_unit(res, ((GpMetafile*)image)->unit) *
2221 ((GpMetafile*)image)->bounds.Width);
2222 }
2223 else if(image->type == ImageTypeBitmap)
2224 *width = ((GpBitmap*)image)->width;
2225 else
2226 *width = ipicture_pixel_width(image->picture);
2227
2228 TRACE("returning %d\n", *width);
2229
2230 return Ok;
2231 }
2232
2233 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
2234 MetafileHeader * header)
2235 {
2236 static int calls;
2237
2238 TRACE("(%p, %p)\n", metafile, header);
2239
2240 if(!metafile || !header)
2241 return InvalidParameter;
2242
2243 if(!(calls++))
2244 FIXME("not implemented\n");
2245
2246 memset(header, 0, sizeof(MetafileHeader));
2247
2248 return Ok;
2249 }
2250
2251 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromEmf(HENHMETAFILE hEmf,
2252 MetafileHeader *header)
2253 {
2254 static int calls;
2255
2256 if(!hEmf || !header)
2257 return InvalidParameter;
2258
2259 if(!(calls++))
2260 FIXME("not implemented\n");
2261
2262 memset(header, 0, sizeof(MetafileHeader));
2263
2264 return Ok;
2265 }
2266
2267 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromFile(GDIPCONST WCHAR *filename,
2268 MetafileHeader *header)
2269 {
2270 static int calls;
2271
2272 TRACE("(%s,%p)\n", debugstr_w(filename), header);
2273
2274 if(!filename || !header)
2275 return InvalidParameter;
2276
2277 if(!(calls++))
2278 FIXME("not implemented\n");
2279
2280 memset(header, 0, sizeof(MetafileHeader));
2281
2282 return Ok;
2283 }
2284
2285 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromStream(IStream *stream,
2286 MetafileHeader *header)
2287 {
2288 static int calls;
2289
2290 TRACE("(%p,%p)\n", stream, header);
2291
2292 if(!stream || !header)
2293 return InvalidParameter;
2294
2295 if(!(calls++))
2296 FIXME("not implemented\n");
2297
2298 memset(header, 0, sizeof(MetafileHeader));
2299
2300 return Ok;
2301 }
2302
2303 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
2304 UINT num, PropertyItem* items)
2305 {
2306 static int calls;
2307
2308 TRACE("(%p, %u, %u, %p)\n", image, size, num, items);
2309
2310 if(!(calls++))
2311 FIXME("not implemented\n");
2312
2313 return InvalidParameter;
2314 }
2315
2316 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
2317 {
2318 static int calls;
2319
2320 TRACE("(%p, %p)\n", image, num);
2321
2322 if(!(calls++))
2323 FIXME("not implemented\n");
2324
2325 return InvalidParameter;
2326 }
2327
2328 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
2329 {
2330 static int calls;
2331
2332 TRACE("(%p, %u, %p)\n", image, num, list);
2333
2334 if(!(calls++))
2335 FIXME("not implemented\n");
2336
2337 return InvalidParameter;
2338 }
2339
2340 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
2341 PropertyItem* buffer)
2342 {
2343 static int calls;
2344
2345 TRACE("(%p, %u, %u, %p)\n", image, id, size, buffer);
2346
2347 if(!(calls++))
2348 FIXME("not implemented\n");
2349
2350 return InvalidParameter;
2351 }
2352
2353 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
2354 UINT* size)
2355 {
2356 static int calls;
2357
2358 TRACE("%p %x %p\n", image, pid, size);
2359
2360 if(!size || !image)
2361 return InvalidParameter;
2362
2363 if(!(calls++))
2364 FIXME("not implemented\n");
2365
2366 return NotImplemented;
2367 }
2368
2369 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
2370 {
2371 static int calls;
2372
2373 TRACE("(%p,%p,%p)\n", image, size, num);
2374
2375 if(!(calls++))
2376 FIXME("not implemented\n");
2377
2378 return InvalidParameter;
2379 }
2380
2381 struct image_format_dimension
2382 {
2383 const GUID *format;
2384 const GUID *dimension;
2385 };
2386
2387 struct image_format_dimension image_format_dimensions[] =
2388 {
2389 {&ImageFormatGIF, &FrameDimensionTime},
2390 {&ImageFormatIcon, &FrameDimensionResolution},
2391 {NULL}
2392 };
2393
2394 /* FIXME: Need to handle multi-framed images */
2395 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
2396 GDIPCONST GUID* dimensionID, UINT* count)
2397 {
2398 static int calls;
2399
2400 TRACE("(%p,%s,%p)\n", image, debugstr_guid(dimensionID), count);
2401
2402 if(!image || !count)
2403 return InvalidParameter;
2404
2405 if(!(calls++))
2406 FIXME("returning frame count of 1\n");
2407
2408 *count = 1;
2409
2410 return Ok;
2411 }
2412
2413 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
2414 UINT* count)
2415 {
2416 TRACE("(%p, %p)\n", image, count);
2417
2418 /* Native gdiplus 1.1 does not yet support multiple frame dimensions. */
2419
2420 if(!image || !count)
2421 return InvalidParameter;
2422
2423 *count = 1;
2424
2425 return Ok;
2426 }
2427
2428 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
2429 GUID* dimensionIDs, UINT count)
2430 {
2431 int i;
2432 const GUID *result=NULL;
2433
2434 TRACE("(%p,%p,%u)\n", image, dimensionIDs, count);
2435
2436 if(!image || !dimensionIDs || count != 1)
2437 return InvalidParameter;
2438
2439 for (i=0; image_format_dimensions[i].format; i++)
2440 {
2441 if (IsEqualGUID(&image->format, image_format_dimensions[i].format))
2442 {
2443 result = image_format_dimensions[i].dimension;
2444 break;
2445 }
2446 }
2447
2448 if (!result)
2449 result = &FrameDimensionPage;
2450
2451 memcpy(dimensionIDs, result, sizeof(GUID));
2452
2453 return Ok;
2454 }
2455
2456 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
2457 GDIPCONST GUID* dimensionID, UINT frameidx)
2458 {
2459 static int calls;
2460
2461 TRACE("(%p, %s, %u)\n", image, debugstr_guid(dimensionID), frameidx);
2462
2463 if(!image || !dimensionID)
2464 return InvalidParameter;
2465
2466 if(!(calls++))
2467 FIXME("not implemented\n");
2468
2469 return Ok;
2470 }
2471
2472 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
2473 GpImage **image)
2474 {
2475 GpStatus stat;
2476 IStream *stream;
2477
2478 TRACE("(%s) %p\n", debugstr_w(filename), image);
2479
2480 if (!filename || !image)
2481 return InvalidParameter;
2482
2483 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
2484
2485 if (stat != Ok)
2486 return stat;
2487
2488 stat = GdipLoadImageFromStream(stream, image);
2489
2490 IStream_Release(stream);
2491
2492 return stat;
2493 }
2494
2495 /* FIXME: no icm handling */
2496 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
2497 {
2498 TRACE("(%s) %p\n", debugstr_w(filename), image);
2499
2500 return GdipLoadImageFromFile(filename, image);
2501 }
2502
2503 static const WICPixelFormatGUID *wic_pixel_formats[] = {
2504 &GUID_WICPixelFormat16bppBGR555,
2505 &GUID_WICPixelFormat24bppBGR,
2506 &GUID_WICPixelFormat32bppBGR,
2507 &GUID_WICPixelFormat32bppBGRA,
2508 &GUID_WICPixelFormat32bppPBGRA,
2509 NULL
2510 };
2511
2512 static const PixelFormat wic_gdip_formats[] = {
2513 PixelFormat16bppRGB555,
2514 PixelFormat24bppRGB,
2515 PixelFormat32bppRGB,
2516 PixelFormat32bppARGB,
2517 PixelFormat32bppPARGB,
2518 };
2519
2520 static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, GpImage **image)
2521 {
2522 GpStatus status=Ok;
2523 GpBitmap *bitmap;
2524 HRESULT hr;
2525 IWICBitmapDecoder *decoder;
2526 IWICBitmapFrameDecode *frame;
2527 IWICBitmapSource *source=NULL;
2528 WICPixelFormatGUID wic_format;
2529 PixelFormat gdip_format=0;
2530 int i;
2531 UINT width, height;
2532 BitmapData lockeddata;
2533 WICRect wrc;
2534 HRESULT initresult;
2535
2536 initresult = CoInitialize(NULL);
2537
2538 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2539 &IID_IWICBitmapDecoder, (void**)&decoder);
2540 if (FAILED(hr)) goto end;
2541
2542 hr = IWICBitmapDecoder_Initialize(decoder, (IStream*)stream, WICDecodeMetadataCacheOnLoad);
2543 if (SUCCEEDED(hr))
2544 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
2545
2546 if (SUCCEEDED(hr)) /* got frame */
2547 {
2548 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format);
2549
2550 if (SUCCEEDED(hr))
2551 {
2552 for (i=0; wic_pixel_formats[i]; i++)
2553 {
2554 if (IsEqualGUID(&wic_format, wic_pixel_formats[i]))
2555 {
2556 source = (IWICBitmapSource*)frame;
2557 IWICBitmapSource_AddRef(source);
2558 gdip_format = wic_gdip_formats[i];
2559 break;
2560 }
2561 }
2562 if (!source)
2563 {
2564 /* unknown format; fall back on 32bppARGB */
2565 hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, (IWICBitmapSource*)frame, &source);
2566 gdip_format = PixelFormat32bppARGB;
2567 }
2568 }
2569
2570 if (SUCCEEDED(hr)) /* got source */
2571 {
2572 hr = IWICBitmapSource_GetSize(source, &width, &height);
2573
2574 if (SUCCEEDED(hr))
2575 status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format,
2576 NULL, &bitmap);
2577
2578 if (SUCCEEDED(hr) && status == Ok) /* created bitmap */
2579 {
2580 status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite,
2581 gdip_format, &lockeddata);
2582 if (status == Ok) /* locked bitmap */
2583 {
2584 wrc.X = 0;
2585 wrc.Width = width;
2586 wrc.Height = 1;
2587 for (i=0; i<height; i++)
2588 {
2589 wrc.Y = i;
2590 hr = IWICBitmapSource_CopyPixels(source, &wrc, abs(lockeddata.Stride),
2591 abs(lockeddata.Stride), (BYTE*)lockeddata.Scan0+lockeddata.Stride*i);
2592 if (FAILED(hr)) break;
2593 }
2594
2595 GdipBitmapUnlockBits(bitmap, &lockeddata);
2596 }
2597
2598 if (SUCCEEDED(hr) && status == Ok)
2599 *image = (GpImage*)bitmap;
2600 else
2601 {
2602 *image = NULL;
2603 GdipDisposeImage((GpImage*)bitmap);
2604 }
2605 }
2606
2607 IWICBitmapSource_Release(source);
2608 }
2609
2610 IWICBitmapFrameDecode_Release(frame);
2611 }
2612
2613 IWICBitmapDecoder_Release(decoder);
2614
2615 end:
2616 if (SUCCEEDED(initresult)) CoUninitialize();
2617
2618 if (FAILED(hr) && status == Ok) status = hresult_to_status(hr);
2619
2620 return status;
2621 }
2622
2623 static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, GpImage **image)
2624 {
2625 return decode_image_wic(stream, &CLSID_WICIcoDecoder, image);
2626 }
2627
2628 static GpStatus decode_image_bmp(IStream* stream, REFCLSID clsid, GpImage **image)
2629 {
2630 GpStatus status;
2631 GpBitmap* bitmap;
2632
2633 status = decode_image_wic(stream, &CLSID_WICBmpDecoder, image);
2634
2635 bitmap = (GpBitmap*)*image;
2636
2637 if (status == Ok && bitmap->format == PixelFormat32bppARGB)
2638 {
2639 /* WIC supports bmp files with alpha, but gdiplus does not */
2640 bitmap->format = PixelFormat32bppRGB;
2641 }
2642
2643 return status;
2644 }
2645
2646 static GpStatus decode_image_jpeg(IStream* stream, REFCLSID clsid, GpImage **image)
2647 {
2648 return decode_image_wic(stream, &CLSID_WICJpegDecoder, image);
2649 }
2650
2651 static GpStatus decode_image_png(IStream* stream, REFCLSID clsid, GpImage **image)
2652 {
2653 return decode_image_wic(stream, &CLSID_WICPngDecoder, image);
2654 }
2655
2656 static GpStatus decode_image_gif(IStream* stream, REFCLSID clsid, GpImage **image)
2657 {
2658 return decode_image_wic(stream, &CLSID_WICGifDecoder, image);
2659 }
2660
2661 static GpStatus decode_image_tiff(IStream* stream, REFCLSID clsid, GpImage **image)
2662 {
2663 return decode_image_wic(stream, &CLSID_WICTiffDecoder, image);
2664 }
2665
2666 static GpStatus decode_image_olepicture_metafile(IStream* stream, REFCLSID clsid, GpImage **image)
2667 {
2668 IPicture *pic;
2669
2670 TRACE("%p %p\n", stream, image);
2671
2672 if(!stream || !image)
2673 return InvalidParameter;
2674
2675 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
2676 (LPVOID*) &pic) != S_OK){
2677 TRACE("Could not load picture\n");
2678 return GenericError;
2679 }
2680
2681 /* FIXME: missing initialization code */
2682 *image = GdipAlloc(sizeof(GpMetafile));
2683 if(!*image) return OutOfMemory;
2684 (*image)->type = ImageTypeMetafile;
2685 (*image)->picture = pic;
2686 (*image)->flags = ImageFlagsNone;
2687 (*image)->palette_flags = 0;
2688 (*image)->palette_count = 0;
2689 (*image)->palette_size = 0;
2690 (*image)->palette_entries = NULL;
2691
2692 TRACE("<-- %p\n", *image);
2693
2694 return Ok;
2695 }
2696
2697 typedef GpStatus (*encode_image_func)(GpImage *image, IStream* stream,
2698 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params);
2699
2700 typedef GpStatus (*decode_image_func)(IStream *stream, REFCLSID clsid, GpImage** image);
2701
2702 typedef struct image_codec {
2703 ImageCodecInfo info;
2704 encode_image_func encode_func;
2705 decode_image_func decode_func;
2706 } image_codec;
2707
2708 typedef enum {
2709 BMP,
2710 JPEG,
2711 GIF,
2712 TIFF,
2713 EMF,
2714 WMF,
2715 PNG,
2716 ICO,
2717 NUM_CODECS
2718 } ImageFormat;
2719
2720 static const struct image_codec codecs[NUM_CODECS];
2721
2722 static GpStatus get_decoder_info(IStream* stream, const struct image_codec **result)
2723 {
2724 BYTE signature[8];
2725 const BYTE *pattern, *mask;
2726 LARGE_INTEGER seek;
2727 HRESULT hr;
2728 UINT bytesread;
2729 int i, j, sig;
2730
2731 /* seek to the start of the stream */
2732 seek.QuadPart = 0;
2733 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2734 if (FAILED(hr)) return hresult_to_status(hr);
2735
2736 /* read the first 8 bytes */
2737 /* FIXME: This assumes all codecs have signatures <= 8 bytes in length */
2738 hr = IStream_Read(stream, signature, 8, &bytesread);
2739 if (FAILED(hr)) return hresult_to_status(hr);
2740 if (hr == S_FALSE || bytesread == 0) return GenericError;
2741
2742 for (i = 0; i < NUM_CODECS; i++) {
2743 if ((codecs[i].info.Flags & ImageCodecFlagsDecoder) &&
2744 bytesread >= codecs[i].info.SigSize)
2745 {
2746 for (sig=0; sig<codecs[i].info.SigCount; sig++)
2747 {
2748 pattern = &codecs[i].info.SigPattern[codecs[i].info.SigSize*sig];
2749 mask = &codecs[i].info.SigMask[codecs[i].info.SigSize*sig];
2750 for (j=0; j<codecs[i].info.SigSize; j++)
2751 if ((signature[j] & mask[j]) != pattern[j])
2752 break;
2753 if (j == codecs[i].info.SigSize)
2754 {
2755 *result = &codecs[i];
2756 return Ok;
2757 }
2758 }
2759 }
2760 }
2761
2762 TRACE("no match for %i byte signature %x %x %x %x %x %x %x %x\n", bytesread,
2763 signature[0],signature[1],signature[2],signature[3],
2764 signature[4],signature[5],signature[6],signature[7]);
2765
2766 return GenericError;
2767 }
2768
2769 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
2770 {
2771 GpStatus stat;
2772 LARGE_INTEGER seek;
2773 HRESULT hr;
2774 const struct image_codec *codec=NULL;
2775
2776 /* choose an appropriate image decoder */
2777 stat = get_decoder_info(stream, &codec);
2778 if (stat != Ok) return stat;
2779
2780 /* seek to the start of the stream */
2781 seek.QuadPart = 0;
2782 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2783 if (FAILED(hr)) return hresult_to_status(hr);
2784
2785 /* call on the image decoder to do the real work */
2786 stat = codec->decode_func(stream, &codec->info.Clsid, image);
2787
2788 /* take note of the original data format */
2789 if (stat == Ok)
2790 {
2791 memcpy(&(*image)->format, &codec->info.FormatID, sizeof(GUID));
2792 }
2793
2794 return stat;
2795 }
2796
2797 /* FIXME: no ICM */
2798 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
2799 {
2800 TRACE("%p %p\n", stream, image);
2801
2802 return GdipLoadImageFromStream(stream, image);
2803 }
2804
2805 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
2806 {
2807 static int calls;
2808
2809 TRACE("(%p,%u)\n", image, propId);
2810
2811 if(!image)
2812 return InvalidParameter;
2813
2814 if(!(calls++))
2815 FIXME("not implemented\n");
2816
2817 return NotImplemented;
2818 }
2819
2820 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
2821 {
2822 static int calls;
2823
2824 TRACE("(%p,%p)\n", image, item);
2825
2826 if(!(calls++))
2827 FIXME("not implemented\n");
2828
2829 return NotImplemented;
2830 }
2831
2832 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
2833 GDIPCONST CLSID *clsidEncoder,
2834 GDIPCONST EncoderParameters *encoderParams)
2835 {
2836 GpStatus stat;
2837 IStream *stream;
2838
2839 TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
2840
2841 if (!image || !filename|| !clsidEncoder)
2842 return InvalidParameter;
2843
2844 stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
2845 if (stat != Ok)
2846 return GenericError;
2847
2848 stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
2849
2850 IStream_Release(stream);
2851 return stat;
2852 }
2853
2854 /*************************************************************************
2855 * Encoding functions -
2856 * These functions encode an image in different image file formats.
2857 */
2858 #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
2859 #define BITMAP_FORMAT_JPEG 0xd8ff
2860 #define BITMAP_FORMAT_GIF 0x4947
2861 #define BITMAP_FORMAT_PNG 0x5089
2862 #define BITMAP_FORMAT_APM 0xcdd7
2863
2864 static GpStatus encode_image_WIC(GpImage *image, IStream* stream,
2865 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2866 {
2867 GpStatus stat;
2868 GpBitmap *bitmap;
2869 IWICBitmapEncoder *encoder;
2870 IWICBitmapFrameEncode *frameencode;
2871 IPropertyBag2 *encoderoptions;
2872 HRESULT hr;
2873 UINT width, height;
2874 PixelFormat gdipformat=0;
2875 WICPixelFormatGUID wicformat;
2876 GpRect rc;
2877 BitmapData lockeddata;
2878 HRESULT initresult;
2879 UINT i;
2880
2881 if (image->type != ImageTypeBitmap)
2882 return GenericError;
2883
2884 bitmap = (GpBitmap*)image;
2885
2886 GdipGetImageWidth(image, &width);
2887 GdipGetImageHeight(image, &height);
2888
2889 rc.X = 0;
2890 rc.Y = 0;
2891 rc.Width = width;
2892 rc.Height = height;
2893
2894 initresult = CoInitialize(NULL);
2895
2896 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2897 &IID_IWICBitmapEncoder, (void**)&encoder);
2898 if (FAILED(hr))
2899 {
2900 if (SUCCEEDED(initresult)) CoUninitialize();
2901 return hresult_to_status(hr);
2902 }
2903
2904 hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache);
2905
2906 if (SUCCEEDED(hr))
2907 {
2908 hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
2909 }
2910
2911 if (SUCCEEDED(hr)) /* created frame */
2912 {
2913 hr = IWICBitmapFrameEncode_Initialize(frameencode, encoderoptions);
2914
2915 if (SUCCEEDED(hr))
2916 hr = IWICBitmapFrameEncode_SetSize(frameencode, width, height);
2917
2918 if (SUCCEEDED(hr))
2919 /* FIXME: use the resolution from the image */
2920 hr = IWICBitmapFrameEncode_SetResolution(frameencode, 96.0, 96.0);
2921
2922 if (SUCCEEDED(hr))
2923 {
2924 for (i=0; wic_pixel_formats[i]; i++)
2925 {
2926 if (wic_gdip_formats[i] == bitmap->format)
2927 break;
2928 }
2929 if (wic_pixel_formats[i])
2930 memcpy(&wicformat, wic_pixel_formats[i], sizeof(GUID));
2931 else
2932 memcpy(&wicformat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
2933
2934 hr = IWICBitmapFrameEncode_SetPixelFormat(frameencode, &wicformat);
2935
2936 for (i=0; wic_pixel_formats[i]; i++)
2937 {
2938 if (IsEqualGUID(&wicformat, wic_pixel_formats[i]))
2939 break;
2940 }
2941 if (wic_pixel_formats[i])
2942 gdipformat = wic_gdip_formats[i];
2943 else
2944 {
2945 ERR("cannot provide pixel format %s\n", debugstr_guid(&wicformat));
2946 hr = E_FAIL;
2947 }
2948 }
2949
2950 if (SUCCEEDED(hr))
2951 {
2952 stat = GdipBitmapLockBits(bitmap, &rc, ImageLockModeRead, gdipformat,
2953 &lockeddata);
2954
2955 if (stat == Ok)
2956 {
2957 UINT row_size = (lockeddata.Width * PIXELFORMATBPP(gdipformat) + 7)/8;
2958 BYTE *row;
2959
2960 /* write one row at a time in case stride is negative */
2961 row = lockeddata.Scan0;
2962 for (i=0; i<lockeddata.Height; i++)
2963 {
2964 hr = IWICBitmapFrameEncode_WritePixels(frameencode, 1, row_size, row_size, row);
2965 if (FAILED(hr)) break;
2966 row += lockeddata.Stride;
2967 }
2968
2969 GdipBitmapUnlockBits(bitmap, &lockeddata);
2970 }
2971 else
2972 hr = E_FAIL;
2973 }
2974
2975 if (SUCCEEDED(hr))
2976 hr = IWICBitmapFrameEncode_Commit(frameencode);
2977
2978 IWICBitmapFrameEncode_Release(frameencode);
2979 IPropertyBag2_Release(encoderoptions);
2980 }
2981
2982 if (SUCCEEDED(hr))
2983 hr = IWICBitmapEncoder_Commit(encoder);
2984
2985 IWICBitmapEncoder_Release(encoder);
2986
2987 if (SUCCEEDED(initresult)) CoUninitialize();
2988
2989 return hresult_to_status(hr);
2990 }
2991
2992 static GpStatus encode_image_BMP(GpImage *image, IStream* stream,
2993 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2994 {
2995 return encode_image_WIC(image, stream, &CLSID_WICBmpEncoder, params);
2996 }
2997
2998 static GpStatus encode_image_png(GpImage *image, IStream* stream,
2999 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3000 {
3001 return encode_image_WIC(image, stream, &CLSID_WICPngEncoder, params);
3002 }
3003
3004 /*****************************************************************************
3005 * GdipSaveImageToStream [GDIPLUS.@]
3006 */
3007 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
3008 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3009 {
3010 GpStatus stat;
3011 encode_image_func encode_image;
3012 int i;
3013
3014 TRACE("%p %p %p %p\n", image, stream, clsid, params);
3015
3016 if(!image || !stream)
3017 return InvalidParameter;
3018
3019 /* select correct encoder */
3020 encode_image = NULL;
3021 for (i = 0; i < NUM_CODECS; i++) {
3022 if ((codecs[i].info.Flags & ImageCodecFlagsEncoder) &&
3023 IsEqualCLSID(clsid, &codecs[i].info.Clsid))
3024 encode_image = codecs[i].encode_func;
3025 }
3026 if (encode_image == NULL)
3027 return UnknownImageFormat;
3028
3029 stat = encode_image(image, stream, clsid, params);
3030
3031 return stat;
3032 }
3033
3034 /*****************************************************************************
3035 * GdipGetImagePalette [GDIPLUS.@]
3036 */
3037 GpStatus WINGDIPAPI GdipGetImagePalette(GpImage *image, ColorPalette *palette, INT size)
3038 {
3039 TRACE("(%p,%p,%i)\n", image, palette, size);
3040
3041 if (!image || !palette)
3042 return InvalidParameter;
3043
3044 if (size < (sizeof(UINT)*2+sizeof(ARGB)*image->palette_count))
3045 {
3046 TRACE("<-- InsufficientBuffer\n");
3047 return InsufficientBuffer;
3048 }
3049
3050 palette->Flags = image->palette_flags;
3051 palette->Count = image->palette_count;
3052 memcpy(palette->Entries, image->palette_entries, sizeof(ARGB)*image->palette_count);
3053
3054 return Ok;
3055 }
3056
3057 /*****************************************************************************
3058 * GdipSetImagePalette [GDIPLUS.@]
3059 */
3060 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
3061 GDIPCONST ColorPalette *palette)
3062 {
3063 TRACE("(%p,%p)\n", image, palette);
3064
3065 if(!image || !palette || palette->Count > 256)
3066 return InvalidParameter;
3067
3068 if (palette->Count > image->palette_size)
3069 {
3070 ARGB *new_palette;
3071
3072 new_palette = GdipAlloc(sizeof(ARGB) * palette->Count);
3073 if (!new_palette) return OutOfMemory;
3074
3075 GdipFree(image->palette_entries);
3076 image->palette_entries = new_palette;
3077 image->palette_size = palette->Count;
3078 }
3079
3080 image->palette_flags = palette->Flags;
3081 image->palette_count = palette->Count;
3082 memcpy(image->palette_entries, palette->Entries, sizeof(ARGB)*palette->Count);
3083
3084 return Ok;
3085 }
3086
3087 /*************************************************************************
3088 * Encoders -
3089 * Structures that represent which formats we support for encoding.
3090 */
3091
3092 /* ImageCodecInfo creation routines taken from libgdiplus */
3093 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
3094 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
3095 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
3096 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
3097 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
3098 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
3099
3100 static const WCHAR jpeg_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0};
3101 static const WCHAR jpeg_extension[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0};
3102 static const WCHAR jpeg_mimetype[] = {'i','m','a','g','e','/','j','p','e','g', 0};
3103 static const WCHAR jpeg_format[] = {'J','P','E','G',0};
3104 static const BYTE jpeg_sig_pattern[] = { 0xFF, 0xD8 };
3105 static const BYTE jpeg_sig_mask[] = { 0xFF, 0xFF };
3106
3107 static const WCHAR gif_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0};
3108 static const WCHAR gif_extension[] = {'*','.','G','I','F',0};
3109 static const WCHAR gif_mimetype[] = {'i','m','a','g','e','/','g','i','f', 0};
3110 static const WCHAR gif_format[] = {'G','I','F',0};
3111 static const BYTE gif_sig_pattern[4] = "GIF8";
3112 static const BYTE gif_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3113
3114 static const WCHAR tiff_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'T','I','F','F', 0};
3115 static const WCHAR tiff_extension[] = {'*','.','T','I','F','F',';','*','.','T','I','F',0};
3116 static const WCHAR tiff_mimetype[] = {'i','m','a','g','e','/','t','i','f','f', 0};
3117 static const WCHAR tiff_format[] = {'T','I','F','F',0};
3118 static const BYTE tiff_sig_pattern[] = {0x49,0x49,42,0,0x4d,0x4d,0,42};
3119 static const BYTE tiff_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3120
3121 static const WCHAR emf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0};
3122 static const WCHAR emf_extension[] = {'*','.','E','M','F',0};
3123 static const WCHAR emf_mimetype[] = {'i','m','a','g','e','/','x','-','e','m','f', 0};
3124 static const WCHAR emf_format[] = {'E','M','F',0};
3125 static const BYTE emf_sig_pattern[] = { 0x01, 0x00, 0x00, 0x00 };
3126 static const BYTE emf_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3127
3128 static const WCHAR wmf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0};
3129 static const WCHAR wmf_extension[] = {'*','.','W','M','F',0};
3130 static const WCHAR wmf_mimetype[] = {'i','m','a','g','e','/','x','-','w','m','f', 0};
3131 static const WCHAR wmf_format[] = {'W','M','F',0};
3132 static const BYTE wmf_sig_pattern[] = { 0xd7, 0xcd };
3133 static const BYTE wmf_sig_mask[] = { 0xFF, 0xFF };
3134
3135 static const WCHAR png_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0};
3136 static const WCHAR png_extension[] = {'*','.','P','N','G',0};
3137 static const WCHAR png_mimetype[] = {'i','m','a','g','e','/','p','n','g', 0};
3138 static const WCHAR png_format[] = {'P','N','G',0};
3139 static const BYTE png_sig_pattern[] = { 137, 80, 78, 71, 13, 10, 26, 10, };
3140 static const BYTE png_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3141
3142 static const WCHAR ico_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0};
3143 static const WCHAR ico_extension[] = {'*','.','I','C','O',0};
3144 static const WCHAR ico_mimetype[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0};
3145 static const WCHAR ico_format[] = {'I','C','O',0};
3146 static const BYTE ico_sig_pattern[] = { 0x00, 0x00, 0x01, 0x00 };
3147 static const BYTE ico_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3148
3149 static const struct image_codec codecs[NUM_CODECS] = {
3150 {
3151 { /* BMP */
3152 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3153 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3154 /* CodecName */ bmp_codecname,
3155 /* DllName */ NULL,
3156 /* FormatDescription */ bmp_format,
3157 /* FilenameExtension */ bmp_extension,
3158 /* MimeType */ bmp_mimetype,
3159 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3160 /* Version */ 1,
3161 /* SigCount */ 1,
3162 /* SigSize */ 2,
3163 /* SigPattern */ bmp_sig_pattern,
3164 /* SigMask */ bmp_sig_mask,
3165 },
3166 encode_image_BMP,
3167 decode_image_bmp
3168 },
3169 {
3170 { /* JPEG */
3171 /* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3172 /* FormatID */ { 0xb96b3caeU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3173 /* CodecName */ jpeg_codecname,
3174 /* DllName */ NULL,
3175 /* FormatDescription */ jpeg_format,
3176 /* FilenameExtension */ jpeg_extension,
3177 /* MimeType */ jpeg_mimetype,
3178 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3179 /* Version */ 1,
3180 /* SigCount */ 1,
3181 /* SigSize */ 2,
3182 /* SigPattern */ jpeg_sig_pattern,
3183 /* SigMask */ jpeg_sig_mask,
3184 },
3185 NULL,
3186 decode_image_jpeg
3187 },
3188 {
3189 { /* GIF */
3190 /* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3191 /* FormatID */ { 0xb96b3cb0U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3192 /* CodecName */ gif_codecname,
3193 /* DllName */ NULL,
3194 /* FormatDescription */ gif_format,
3195 /* FilenameExtension */ gif_extension,
3196 /* MimeType */ gif_mimetype,
3197 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3198 /* Version */ 1,
3199 /* SigCount */ 1,
3200 /* SigSize */ 4,
3201 /* SigPattern */ gif_sig_pattern,
3202 /* SigMask */ gif_sig_mask,
3203 },
3204 NULL,
3205 decode_image_gif
3206 },
3207 {
3208 { /* TIFF */
3209 /* Clsid */ { 0x557cf405, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3210 /* FormatID */ { 0xb96b3cb1U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3211 /* CodecName */ tiff_codecname,
3212 /* DllName */ NULL,
3213 /* FormatDescription */ tiff_format,
3214 /* FilenameExtension */ tiff_extension,
3215 /* MimeType */ tiff_mimetype,
3216 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3217 /* Version */ 1,
3218 /* SigCount */ 2,
3219 /* SigSize */ 4,
3220 /* SigPattern */ tiff_sig_pattern,
3221 /* SigMask */ tiff_sig_mask,
3222 },
3223 NULL,
3224 decode_image_tiff
3225 },
3226 {
3227 { /* EMF */
3228 /* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3229 /* FormatID */ { 0xb96b3cacU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3230 /* CodecName */ emf_codecname,
3231 /* DllName */ NULL,
3232 /* FormatDescription */ emf_format,
3233 /* FilenameExtension */ emf_extension,
3234 /* MimeType */ emf_mimetype,
3235 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3236 /* Version */ 1,
3237 /* SigCount */ 1,
3238 /* SigSize */ 4,
3239 /* SigPattern */ emf_sig_pattern,
3240 /* SigMask */ emf_sig_mask,
3241 },
3242 NULL,
3243 decode_image_olepicture_metafile
3244 },
3245 {
3246 { /* WMF */
3247 /* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3248 /* FormatID */ { 0xb96b3cadU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3249 /* CodecName */ wmf_codecname,
3250 /* DllName */ NULL,
3251 /* FormatDescription */ wmf_format,
3252 /* FilenameExtension */ wmf_extension,
3253 /* MimeType */ wmf_mimetype,
3254 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3255 /* Version */ 1,
3256 /* SigCount */ 1,
3257 /* SigSize */ 2,
3258 /* SigPattern */ wmf_sig_pattern,
3259 /* SigMask */ wmf_sig_mask,
3260 },
3261 NULL,
3262 decode_image_olepicture_metafile
3263 },
3264 {
3265 { /* PNG */
3266 /* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3267 /* FormatID */ { 0xb96b3cafU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3268 /* CodecName */ png_codecname,
3269 /* DllName */ NULL,
3270 /* FormatDescription */ png_format,
3271 /* FilenameExtension */ png_extension,
3272 /* MimeType */ png_mimetype,
3273 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3274 /* Version */ 1,
3275 /* SigCount */ 1,
3276 /* SigSize */ 8,
3277 /* SigPattern */ png_sig_pattern,
3278 /* SigMask */ png_sig_mask,
3279 },
3280 encode_image_png,
3281 decode_image_png
3282 },
3283 {
3284 { /* ICO */
3285 /* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3286 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3287 /* CodecName */ ico_codecname,
3288 /* DllName */ NULL,
3289 /* FormatDescription */ ico_format,
3290 /* FilenameExtension */ ico_extension,
3291 /* MimeType */ ico_mimetype,
3292 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3293 /* Version */ 1,
3294 /* SigCount */ 1,
3295 /* SigSize */ 4,
3296 /* SigPattern */ ico_sig_pattern,
3297 /* SigMask */ ico_sig_mask,
3298 },
3299 NULL,
3300 decode_image_icon
3301 },
3302 };
3303
3304 /*****************************************************************************
3305 * GdipGetImageDecodersSize [GDIPLUS.@]
3306 */
3307 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
3308 {
3309 int decoder_count=0;
3310 int i;
3311 TRACE("%p %p\n", numDecoders, size);
3312
3313 if (!numDecoders || !size)
3314 return InvalidParameter;
3315
3316 for (i=0; i<NUM_CODECS; i++)
3317 {
3318 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3319 decoder_count++;
3320 }
3321
3322 *numDecoders = decoder_count;
3323 *size = decoder_count * sizeof(ImageCodecInfo);
3324
3325 return Ok;
3326 }
3327
3328 /*****************************************************************************
3329 * GdipGetImageDecoders [GDIPLUS.@]
3330 */
3331 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
3332 {
3333 int i, decoder_count=0;
3334 TRACE("%u %u %p\n", numDecoders, size, decoders);
3335
3336 if (!decoders ||
3337 size != numDecoders * sizeof(ImageCodecInfo))
3338 return GenericError;
3339
3340 for (i=0; i<NUM_CODECS; i++)
3341 {
3342 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3343 {
3344 if (decoder_count == numDecoders) return GenericError;
3345 memcpy(&decoders[decoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3346 decoder_count++;
3347 }
3348 }
3349
3350 if (decoder_count < numDecoders) return GenericError;
3351
3352 return Ok;
3353 }
3354
3355 /*****************************************************************************
3356 * GdipGetImageEncodersSize [GDIPLUS.@]
3357 */
3358 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
3359 {
3360 int encoder_count=0;
3361 int i;
3362 TRACE("%p %p\n", numEncoders, size);
3363
3364 if (!numEncoders || !size)
3365 return InvalidParameter;
3366
3367 for (i=0; i<NUM_CODECS; i++)
3368 {
3369 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3370 encoder_count++;
3371 }
3372
3373 *numEncoders = encoder_count;
3374 *size = encoder_count * sizeof(ImageCodecInfo);
3375
3376 return Ok;
3377 }
3378
3379 /*****************************************************************************
3380 * GdipGetImageEncoders [GDIPLUS.@]
3381 */
3382 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
3383 {
3384 int i, encoder_count=0;
3385 TRACE("%u %u %p\n", numEncoders, size, encoders);
3386
3387 if (!encoders ||
3388 size != numEncoders * sizeof(ImageCodecInfo))
3389 return GenericError;
3390
3391 for (i=0; i<NUM_CODECS; i++)
3392 {
3393 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3394 {
3395 if (encoder_count == numEncoders) return GenericError;
3396 memcpy(&encoders[encoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3397 encoder_count++;
3398 }
3399 }
3400
3401 if (encoder_count < numEncoders) return GenericError;
3402
3403 return Ok;
3404 }
3405
3406 GpStatus WINGDIPAPI GdipGetEncoderParameterListSize(GpImage *image,
3407 GDIPCONST CLSID* clsidEncoder, UINT *size)
3408 {
3409 static int calls;
3410
3411 TRACE("(%p,%s,%p)\n", image, debugstr_guid(clsidEncoder), size);
3412
3413 if(!(calls++))
3414 FIXME("not implemented\n");
3415
3416 *size = 0;
3417
3418 return NotImplemented;
3419 }
3420
3421 /*****************************************************************************
3422 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
3423 */
3424 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
3425 {
3426 BITMAP bm;
3427 GpStatus retval;
3428 PixelFormat format;
3429 BitmapData lockeddata;
3430 INT y;
3431
3432 TRACE("%p %p %p\n", hbm, hpal, bitmap);
3433
3434 if(!hbm || !bitmap)
3435 return InvalidParameter;
3436
3437 /* TODO: Support for device-dependent bitmaps */
3438 if(hpal){
3439 FIXME("no support for device-dependent bitmaps\n");
3440 return NotImplemented;
3441 }
3442
3443 if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
3444 return InvalidParameter;
3445
3446 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
3447 switch(bm.bmBitsPixel) {
3448 case 1:
3449 format = PixelFormat1bppIndexed;
3450 break;
3451 case 4:
3452 format = PixelFormat4bppIndexed;
3453 break;
3454 case 8:
3455 format = PixelFormat8bppIndexed;
3456 break;
3457 case 24:
3458 format = PixelFormat24bppRGB;
3459 break;
3460 case 32:
3461 format = PixelFormat32bppRGB;
3462 break;
3463 case 48:
3464 format = PixelFormat48bppRGB;
3465 break;
3466 default:
3467 FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
3468 return InvalidParameter;
3469 }
3470
3471 retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, 0,
3472 format, NULL, bitmap);
3473
3474 if (retval == Ok)
3475 {
3476 retval = GdipBitmapLockBits(*bitmap, NULL, ImageLockModeWrite,
3477 format, &lockeddata);
3478 if (retval == Ok)
3479 {
3480 if (bm.bmBits)
3481 {
3482 for (y=0; y<bm.bmHeight; y++)
3483 {
3484 memcpy((BYTE*)lockeddata.Scan0+lockeddata.Stride*y,
3485 (BYTE*)bm.bmBits+bm.bmWidthBytes*(bm.bmHeight-1-y),
3486 bm.bmWidthBytes);
3487 }
3488 }
3489 else
3490 {
3491 HDC hdc;
3492 HBITMAP oldhbm;
3493 BITMAPINFO *pbmi;
3494 INT src_height, dst_stride;
3495 BYTE *dst_bits;
3496
3497 hdc = CreateCompatibleDC(NULL);
3498 oldhbm = SelectObject(hdc, hbm);
3499
3500 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
3501
3502 if (pbmi)
3503 {
3504 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
3505 pbmi->bmiHeader.biBitCount = 0;
3506
3507 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
3508
3509 src_height = abs(pbmi->bmiHeader.biHeight);
3510
3511 if (pbmi->bmiHeader.biHeight > 0)
3512 {
3513 dst_bits = (BYTE*)lockeddata.Scan0+lockeddata.Stride*(src_height-1);
3514 dst_stride = -lockeddata.Stride;
3515 }
3516 else
3517 {
3518 dst_bits = lockeddata.Scan0;
3519 dst_stride = lockeddata.Stride;
3520 }
3521
3522 for (y=0; y<src_height; y++)
3523 {
3524 GetDIBits(hdc, hbm, y, 1, dst_bits+dst_stride*y,
3525 pbmi, DIB_RGB_COLORS);
3526 }
3527
3528 GdipFree(pbmi);
3529 }
3530 else
3531 retval = OutOfMemory;
3532
3533 SelectObject(hdc, oldhbm);
3534 DeleteDC(hdc);
3535 }
3536
3537 GdipBitmapUnlockBits(*bitmap, &lockeddata);
3538 }
3539 }
3540
3541 return retval;
3542 }
3543
3544 GpStatus WINGDIPAPI GdipDeleteEffect(CGpEffect *effect)
3545 {
3546 FIXME("(%p): stub\n", effect);
3547 /* note: According to Jose Roca's GDI+ Docs, this is not implemented
3548 * in Windows's gdiplus */
3549 return NotImplemented;
3550 }
3551
3552 /*****************************************************************************
3553 * GdipSetEffectParameters [GDIPLUS.@]
3554 */
3555 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
3556 const VOID *params, const UINT size)
3557 {
3558 static int calls;
3559
3560 TRACE("(%p,%p,%u)\n", effect, params, size);
3561
3562 if(!(calls++))
3563 FIXME("not implemented\n");
3564
3565 return NotImplemented;
3566 }
3567
3568 /*****************************************************************************
3569 * GdipGetImageFlags [GDIPLUS.@]
3570 */
3571 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
3572 {
3573 TRACE("%p %p\n", image, flags);
3574
3575 if(!image || !flags)
3576 return InvalidParameter;
3577
3578 *flags = image->flags;
3579
3580 return Ok;
3581 }
3582
3583 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
3584 {
3585 TRACE("(%d, %p)\n", control, param);
3586
3587 switch(control){
3588 case TestControlForceBilinear:
3589 if(param)
3590 FIXME("TestControlForceBilinear not handled\n");
3591 break;
3592 case TestControlNoICM:
3593 if(param)
3594 FIXME("TestControlNoICM not handled\n");
3595 break;
3596 case TestControlGetBuildNumber:
3597 *((DWORD*)param) = 3102;
3598 break;
3599 }
3600
3601 return Ok;
3602 }
3603
3604 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
3605 HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
3606 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
3607 GpMetafile **metafile)
3608 {
3609 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3610 frameUnit, debugstr_w(desc), metafile);
3611
3612 return NotImplemented;
3613 }
3614
3615 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
3616 GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
3617 GDIPCONST WCHAR *desc, GpMetafile **metafile)
3618 {
3619 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3620 frameUnit, debugstr_w(desc), metafile);
3621
3622 return NotImplemented;
3623 }
3624
3625 GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
3626 {
3627 TRACE("%p\n", image);
3628
3629 return Ok;
3630 }
3631
3632 /*****************************************************************************
3633 * GdipGetImageThumbnail [GDIPLUS.@]
3634 */
3635 GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT height,
3636 GpImage **ret_image, GetThumbnailImageAbort cb,
3637 VOID * cb_data)
3638 {
3639 GpStatus stat;
3640 GpGraphics *graphics;
3641 UINT srcwidth, srcheight;
3642
3643 TRACE("(%p %u %u %p %p %p)\n",
3644 image, width, height, ret_image, cb, cb_data);
3645
3646 if (!image || !ret_image)
3647 return InvalidParameter;
3648
3649 if (!width) width = 120;
3650 if (!height) height = 120;
3651
3652 GdipGetImageWidth(image, &srcwidth);
3653 GdipGetImageHeight(image, &srcheight);
3654
3655 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB,
3656 NULL, (GpBitmap**)ret_image);
3657
3658 if (stat == Ok)
3659 {
3660 stat = GdipGetImageGraphicsContext(*ret_image, &graphics);
3661
3662 if (stat == Ok)
3663 {
3664 stat = GdipDrawImageRectRectI(graphics, image,
3665 0, 0, width, height, 0, 0, srcwidth, srcheight, UnitPixel,
3666 NULL, NULL, NULL);
3667
3668 GdipDeleteGraphics(graphics);
3669 }
3670
3671 if (stat != Ok)
3672 {
3673 GdipDisposeImage(*ret_image);
3674 *ret_image = NULL;
3675 }
3676 }
3677
3678 return stat;
3679 }
3680
3681 /*****************************************************************************
3682 * GdipImageRotateFlip [GDIPLUS.@]
3683 */
3684 GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type)
3685 {
3686 GpBitmap *new_bitmap;
3687 GpBitmap *bitmap;
3688 int bpp, bytesperpixel;
3689 int rotate_90, flip_x, flip_y;
3690 int src_x_offset, src_y_offset;
3691 LPBYTE src_origin;
3692 UINT x, y, width, height;
3693 BitmapData src_lock, dst_lock;
3694 GpStatus stat;
3695
3696 TRACE("(%p, %u)\n", image, type);
3697
3698 rotate_90 = type&1;
3699 flip_x = (type&6) == 2 || (type&6) == 4;
3700 flip_y = (type&3) == 1 || (type&3) == 2;
3701
3702 if (image->type != ImageTypeBitmap)
3703 {
3704 FIXME("Not implemented for type %i\n", image->type);
3705 return NotImplemented;
3706 }
3707
3708 bitmap = (GpBitmap*)image;
3709 bpp = PIXELFORMATBPP(bitmap->format);
3710
3711 if (bpp < 8)
3712 {
3713 FIXME("Not implemented for %i bit images\n", bpp);
3714 return NotImplemented;
3715 }
3716
3717 if (rotate_90)
3718 {
3719 width = bitmap->height;
3720 height = bitmap->width;
3721 }
3722 else
3723 {
3724 width = bitmap->width;
3725 height = bitmap->height;
3726 }
3727
3728 bytesperpixel = bpp/8;
3729
3730 stat = GdipCreateBitmapFromScan0(width, height, 0, bitmap->format, NULL, &new_bitmap);
3731
3732 if (stat != Ok)
3733 return stat;
3734
3735 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, &src_lock);
3736
3737 if (stat == Ok)
3738 {
3739 stat = GdipBitmapLockBits(new_bitmap, NULL, ImageLockModeWrite, bitmap->format, &dst_lock);
3740
3741 if (stat == Ok)
3742 {
3743 LPBYTE src_row, src_pixel;
3744 LPBYTE dst_row, dst_pixel;
3745
3746 src_origin = src_lock.Scan0;
3747 if (flip_x) src_origin += bytesperpixel * (bitmap->width - 1);
3748 if (flip_y) src_origin += src_lock.Stride * (bitmap->height - 1);
3749
3750 if (rotate_90)
3751 {
3752 if (flip_y) src_x_offset = -src_lock.Stride;
3753 else src_x_offset = src_lock.Stride;
3754 if (flip_x) src_y_offset = -bytesperpixel;
3755 else src_y_offset = bytesperpixel;
3756 }
3757 else
3758 {
3759 if (flip_x) src_x_offset = -bytesperpixel;
3760 else src_x_offset = bytesperpixel;
3761 if (flip_y) src_y_offset = -src_lock.Stride;
3762 else src_y_offset = src_lock.Stride;
3763 }
3764
3765 src_row = src_origin;
3766 dst_row = dst_lock.Scan0;
3767 for (y=0; y<height; y++)
3768 {
3769 src_pixel = src_row;
3770 dst_pixel = dst_row;
3771 for (x=0; x<width; x++)
3772 {
3773 /* FIXME: This could probably be faster without memcpy. */
3774 memcpy(dst_pixel, src_pixel, bytesperpixel);
3775 dst_pixel += bytesperpixel;
3776 src_pixel += src_x_offset;
3777 }
3778 src_row += src_y_offset;
3779 dst_row += dst_lock.Stride;
3780 }
3781
3782 GdipBitmapUnlockBits(new_bitmap, &dst_lock);
3783 }
3784
3785 GdipBitmapUnlockBits(bitmap, &src_lock);
3786 }
3787
3788 if (stat == Ok)
3789 move_bitmap(bitmap, new_bitmap, FALSE);
3790 else
3791 GdipDisposeImage((GpImage*)new_bitmap);
3792
3793 return stat;
3794 }
Windows API implementation