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gdiplus: Quiet the GdipImageForceValidation fixme.
[wine/multimedia.git] / dlls / gdiplus / image.c
blob0eaaf2e20ab06b9968d0c816b784adbded269583
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 if(!target || !bitmap)
1395 return InvalidParameter;
1396
1397 if(!(calls++))
1398 FIXME("hacked stub\n");
1399
1400 ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
1401 NULL, bitmap);
1402
1403 return ret;
1404 }
1405
1406 GpStatus WINGDIPAPI GdipCreateBitmapFromHICON(HICON hicon, GpBitmap** bitmap)
1407 {
1408 GpStatus stat;
1409 ICONINFO iinfo;
1410 BITMAP bm;
1411 int ret;
1412 UINT width, height;
1413 GpRect rect;
1414 BitmapData lockeddata;
1415 HDC screendc;
1416 BOOL has_alpha;
1417 int x, y;
1418 BYTE *bits;
1419 BITMAPINFOHEADER bih;
1420 DWORD *src;
1421 BYTE *dst_row;
1422 DWORD *dst;
1423
1424 TRACE("%p, %p\n", hicon, bitmap);
1425
1426 if(!bitmap || !GetIconInfo(hicon, &iinfo))
1427 return InvalidParameter;
1428
1429 /* get the size of the icon */
1430 ret = GetObjectA(iinfo.hbmColor ? iinfo.hbmColor : iinfo.hbmMask, sizeof(bm), &bm);
1431 if (ret == 0) {
1432 DeleteObject(iinfo.hbmColor);
1433 DeleteObject(iinfo.hbmMask);
1434 return GenericError;
1435 }
1436
1437 width = bm.bmWidth;
1438
1439 if (iinfo.hbmColor)
1440 height = abs(bm.bmHeight);
1441 else /* combined bitmap + mask */
1442 height = abs(bm.bmHeight) / 2;
1443
1444 bits = HeapAlloc(GetProcessHeap(), 0, 4*width*height);
1445 if (!bits) {
1446 DeleteObject(iinfo.hbmColor);
1447 DeleteObject(iinfo.hbmMask);
1448 return OutOfMemory;
1449 }
1450
1451 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB, NULL, bitmap);
1452 if (stat != Ok) {
1453 DeleteObject(iinfo.hbmColor);
1454 DeleteObject(iinfo.hbmMask);
1455 HeapFree(GetProcessHeap(), 0, bits);
1456 return stat;
1457 }
1458
1459 rect.X = 0;
1460 rect.Y = 0;
1461 rect.Width = width;
1462 rect.Height = height;
1463
1464 stat = GdipBitmapLockBits(*bitmap, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &lockeddata);
1465 if (stat != Ok) {
1466 DeleteObject(iinfo.hbmColor);
1467 DeleteObject(iinfo.hbmMask);
1468 HeapFree(GetProcessHeap(), 0, bits);
1469 GdipDisposeImage((GpImage*)*bitmap);
1470 return stat;
1471 }
1472
1473 bih.biSize = sizeof(bih);
1474 bih.biWidth = width;
1475 bih.biHeight = -height;
1476 bih.biPlanes = 1;
1477 bih.biBitCount = 32;
1478 bih.biCompression = BI_RGB;
1479 bih.biSizeImage = 0;
1480 bih.biXPelsPerMeter = 0;
1481 bih.biYPelsPerMeter = 0;
1482 bih.biClrUsed = 0;
1483 bih.biClrImportant = 0;
1484
1485 screendc = GetDC(0);
1486 if (iinfo.hbmColor)
1487 {
1488 GetDIBits(screendc, iinfo.hbmColor, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1489
1490 if (bm.bmBitsPixel == 32)
1491 {
1492 has_alpha = FALSE;
1493
1494 /* If any pixel has a non-zero alpha, ignore hbmMask */
1495 src = (DWORD*)bits;
1496 for (x=0; x<width && !has_alpha; x++)
1497 for (y=0; y<height && !has_alpha; y++)
1498 if ((*src++ & 0xff000000) != 0)
1499 has_alpha = TRUE;
1500 }
1501 else has_alpha = FALSE;
1502 }
1503 else
1504 {
1505 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1506 has_alpha = FALSE;
1507 }
1508
1509 /* copy the image data to the Bitmap */
1510 src = (DWORD*)bits;
1511 dst_row = lockeddata.Scan0;
1512 for (y=0; y<height; y++)
1513 {
1514 memcpy(dst_row, src, width*4);
1515 src += width;
1516 dst_row += lockeddata.Stride;
1517 }
1518
1519 if (!has_alpha)
1520 {
1521 if (iinfo.hbmMask)
1522 {
1523 /* read alpha data from the mask */
1524 if (iinfo.hbmColor)
1525 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1526 else
1527 GetDIBits(screendc, iinfo.hbmMask, height, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1528
1529 src = (DWORD*)bits;
1530 dst_row = lockeddata.Scan0;
1531 for (y=0; y<height; y++)
1532 {
1533 dst = (DWORD*)dst_row;
1534 for (x=0; x<height; x++)
1535 {
1536 DWORD src_value = *src++;
1537 if (src_value)
1538 *dst++ = 0;
1539 else
1540 *dst++ |= 0xff000000;
1541 }
1542 dst_row += lockeddata.Stride;
1543 }
1544 }
1545 else
1546 {
1547 /* set constant alpha of 255 */
1548 dst_row = bits;
1549 for (y=0; y<height; y++)
1550 {
1551 dst = (DWORD*)dst_row;
1552 for (x=0; x<height; x++)
1553 *dst++ |= 0xff000000;
1554 dst_row += lockeddata.Stride;
1555 }
1556 }
1557 }
1558
1559 ReleaseDC(0, screendc);
1560
1561 DeleteObject(iinfo.hbmColor);
1562 DeleteObject(iinfo.hbmMask);
1563
1564 GdipBitmapUnlockBits(*bitmap, &lockeddata);
1565
1566 HeapFree(GetProcessHeap(), 0, bits);
1567
1568 return Ok;
1569 }
1570
1571 static void generate_halftone_palette(ARGB *entries, UINT count)
1572 {
1573 static const BYTE halftone_values[6]={0x00,0x33,0x66,0x99,0xcc,0xff};
1574 UINT i;
1575
1576 for (i=0; i<8 && i<count; i++)
1577 {
1578 entries[i] = 0xff000000;
1579 if (i&1) entries[i] |= 0x800000;
1580 if (i&2) entries[i] |= 0x8000;
1581 if (i&4) entries[i] |= 0x80;
1582 }
1583
1584 if (8 < count)
1585 entries[i] = 0xffc0c0c0;
1586
1587 for (i=9; i<16 && i<count; i++)
1588 {
1589 entries[i] = 0xff000000;
1590 if (i&1) entries[i] |= 0xff0000;
1591 if (i&2) entries[i] |= 0xff00;
1592 if (i&4) entries[i] |= 0xff;
1593 }
1594
1595 for (i=16; i<40 && i<count; i++)
1596 {
1597 entries[i] = 0;
1598 }
1599
1600 for (i=40; i<256 && i<count; i++)
1601 {
1602 entries[i] = 0xff000000;
1603 entries[i] |= halftone_values[(i-40)%6];
1604 entries[i] |= halftone_values[((i-40)/6)%6] << 8;
1605 entries[i] |= halftone_values[((i-40)/36)%6] << 16;
1606 }
1607 }
1608
1609 static GpStatus get_screen_resolution(REAL *xres, REAL *yres)
1610 {
1611 HDC screendc = GetDC(0);
1612
1613 if (!screendc) return GenericError;
1614
1615 *xres = (REAL)GetDeviceCaps(screendc, LOGPIXELSX);
1616 *yres = (REAL)GetDeviceCaps(screendc, LOGPIXELSY);
1617
1618 ReleaseDC(0, screendc);
1619
1620 return Ok;
1621 }
1622
1623 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
1624 PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
1625 {
1626 BITMAPINFO* pbmi;
1627 HBITMAP hbitmap;
1628 INT row_size, dib_stride;
1629 HDC hdc;
1630 BYTE *bits;
1631 int i;
1632 REAL xres, yres;
1633 GpStatus stat;
1634
1635 TRACE("%d %d %d 0x%x %p %p\n", width, height, stride, format, scan0, bitmap);
1636
1637 if (!bitmap) return InvalidParameter;
1638
1639 if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
1640 *bitmap = NULL;
1641 return InvalidParameter;
1642 }
1643
1644 if(scan0 && !stride)
1645 return InvalidParameter;
1646
1647 stat = get_screen_resolution(&xres, &yres);
1648 if (stat != Ok) return stat;
1649
1650 row_size = (width * PIXELFORMATBPP(format)+7) / 8;
1651 dib_stride = (row_size + 3) & ~3;
1652
1653 if(stride == 0)
1654 stride = dib_stride;
1655
1656 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1657 if (!pbmi)
1658 return OutOfMemory;
1659
1660 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1661 pbmi->bmiHeader.biWidth = width;
1662 pbmi->bmiHeader.biHeight = -height;
1663 pbmi->bmiHeader.biPlanes = 1;
1664 /* FIXME: use the rest of the data from format */
1665 pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(format);
1666 pbmi->bmiHeader.biCompression = BI_RGB;
1667 pbmi->bmiHeader.biSizeImage = 0;
1668 pbmi->bmiHeader.biXPelsPerMeter = 0;
1669 pbmi->bmiHeader.biYPelsPerMeter = 0;
1670 pbmi->bmiHeader.biClrUsed = 0;
1671 pbmi->bmiHeader.biClrImportant = 0;
1672
1673 hdc = CreateCompatibleDC(NULL);
1674 if (!hdc) {
1675 GdipFree(pbmi);
1676 return GenericError;
1677 }
1678
1679 hbitmap = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
1680
1681 DeleteDC(hdc);
1682 GdipFree(pbmi);
1683
1684 if (!hbitmap) return GenericError;
1685
1686 /* copy bits to the dib if necessary */
1687 /* FIXME: should reference the bits instead of copying them */
1688 if (scan0)
1689 for (i=0; i<height; i++)
1690 memcpy(bits+i*dib_stride, scan0+i*stride, row_size);
1691
1692 *bitmap = GdipAlloc(sizeof(GpBitmap));
1693 if(!*bitmap)
1694 {
1695 DeleteObject(hbitmap);
1696 return OutOfMemory;
1697 }
1698
1699 (*bitmap)->image.type = ImageTypeBitmap;
1700 memcpy(&(*bitmap)->image.format, &ImageFormatMemoryBMP, sizeof(GUID));
1701 (*bitmap)->image.flags = ImageFlagsNone;
1702 (*bitmap)->image.palette_flags = 0;
1703 (*bitmap)->image.palette_count = 0;
1704 (*bitmap)->image.palette_size = 0;
1705 (*bitmap)->image.palette_entries = NULL;
1706 (*bitmap)->image.xres = xres;
1707 (*bitmap)->image.yres = yres;
1708 (*bitmap)->width = width;
1709 (*bitmap)->height = height;
1710 (*bitmap)->format = format;
1711 (*bitmap)->image.picture = NULL;
1712 (*bitmap)->hbitmap = hbitmap;
1713 (*bitmap)->hdc = NULL;
1714 (*bitmap)->bits = bits;
1715 (*bitmap)->stride = dib_stride;
1716
1717 if (format == PixelFormat1bppIndexed ||
1718 format == PixelFormat4bppIndexed ||
1719 format == PixelFormat8bppIndexed)
1720 {
1721 (*bitmap)->image.palette_size = (*bitmap)->image.palette_count = 1 << PIXELFORMATBPP(format);
1722 (*bitmap)->image.palette_entries = GdipAlloc(sizeof(ARGB) * ((*bitmap)->image.palette_size));
1723
1724 if (!(*bitmap)->image.palette_entries)
1725 {
1726 GdipDisposeImage(&(*bitmap)->image);
1727 *bitmap = NULL;
1728 return OutOfMemory;
1729 }
1730
1731 if (format == PixelFormat1bppIndexed)
1732 {
1733 (*bitmap)->image.palette_flags = PaletteFlagsGrayScale;
1734 (*bitmap)->image.palette_entries[0] = 0xff000000;
1735 (*bitmap)->image.palette_entries[1] = 0xffffffff;
1736 }
1737 else
1738 {
1739 if (format == PixelFormat8bppIndexed)
1740 (*bitmap)->image.palette_flags = PaletteFlagsHalftone;
1741
1742 generate_halftone_palette((*bitmap)->image.palette_entries,
1743 (*bitmap)->image.palette_count);
1744 }
1745 }
1746
1747 TRACE("<-- %p\n", *bitmap);
1748
1749 return Ok;
1750 }
1751
1752 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
1753 GpBitmap **bitmap)
1754 {
1755 GpStatus stat;
1756
1757 TRACE("%p %p\n", stream, bitmap);
1758
1759 stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
1760
1761 if(stat != Ok)
1762 return stat;
1763
1764 if((*bitmap)->image.type != ImageTypeBitmap){
1765 GdipDisposeImage(&(*bitmap)->image);
1766 *bitmap = NULL;
1767 return GenericError; /* FIXME: what error to return? */
1768 }
1769
1770 return Ok;
1771 }
1772
1773 /* FIXME: no icm */
1774 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
1775 GpBitmap **bitmap)
1776 {
1777 TRACE("%p %p\n", stream, bitmap);
1778
1779 return GdipCreateBitmapFromStream(stream, bitmap);
1780 }
1781
1782 GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
1783 GpCachedBitmap **cachedbmp)
1784 {
1785 GpStatus stat;
1786
1787 TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
1788
1789 if(!bitmap || !graphics || !cachedbmp)
1790 return InvalidParameter;
1791
1792 *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
1793 if(!*cachedbmp)
1794 return OutOfMemory;
1795
1796 stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
1797 if(stat != Ok){
1798 GdipFree(*cachedbmp);
1799 return stat;
1800 }
1801
1802 return Ok;
1803 }
1804
1805 GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon)
1806 {
1807 GpStatus stat;
1808 BitmapData lockeddata;
1809 ULONG andstride, xorstride, bitssize;
1810 LPBYTE andbits, xorbits, androw, xorrow, srcrow;
1811 UINT x, y;
1812
1813 TRACE("(%p, %p)\n", bitmap, hicon);
1814
1815 if (!bitmap || !hicon)
1816 return InvalidParameter;
1817
1818 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead,
1819 PixelFormat32bppPARGB, &lockeddata);
1820 if (stat == Ok)
1821 {
1822 andstride = ((lockeddata.Width+31)/32)*4;
1823 xorstride = lockeddata.Width*4;
1824 bitssize = (andstride + xorstride) * lockeddata.Height;
1825
1826 andbits = GdipAlloc(bitssize);
1827
1828 if (andbits)
1829 {
1830 xorbits = andbits + andstride * lockeddata.Height;
1831
1832 for (y=0; y<lockeddata.Height; y++)
1833 {
1834 srcrow = ((LPBYTE)lockeddata.Scan0) + lockeddata.Stride * y;
1835
1836 androw = andbits + andstride * y;
1837 for (x=0; x<lockeddata.Width; x++)
1838 if (srcrow[3+4*x] >= 128)
1839 androw[x/8] |= 1 << (7-x%8);
1840
1841 xorrow = xorbits + xorstride * y;
1842 memcpy(xorrow, srcrow, xorstride);
1843 }
1844
1845 *hicon = CreateIcon(NULL, lockeddata.Width, lockeddata.Height, 1, 32,
1846 andbits, xorbits);
1847
1848 GdipFree(andbits);
1849 }
1850 else
1851 stat = OutOfMemory;
1852
1853 GdipBitmapUnlockBits(bitmap, &lockeddata);
1854 }
1855
1856 return stat;
1857 }
1858
1859 GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
1860 {
1861 TRACE("%p\n", cachedbmp);
1862
1863 if(!cachedbmp)
1864 return InvalidParameter;
1865
1866 GdipDisposeImage(cachedbmp->image);
1867 GdipFree(cachedbmp);
1868
1869 return Ok;
1870 }
1871
1872 GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
1873 GpCachedBitmap *cachedbmp, INT x, INT y)
1874 {
1875 TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
1876
1877 if(!graphics || !cachedbmp)
1878 return InvalidParameter;
1879
1880 return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
1881 }
1882
1883 GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16,
1884 LPBYTE pData16, INT iMapMode, INT eFlags)
1885 {
1886 FIXME("(%p, %d, %p, %d, %d): stub\n", hemf, cbData16, pData16, iMapMode, eFlags);
1887 return NotImplemented;
1888 }
1889
1890 /* Internal utility function: Replace the image data of dst with that of src,
1891 * and free src. */
1892 static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
1893 {
1894 GdipFree(dst->bitmapbits);
1895 DeleteDC(dst->hdc);
1896 DeleteObject(dst->hbitmap);
1897
1898 if (clobber_palette)
1899 {
1900 GdipFree(dst->image.palette_entries);
1901 dst->image.palette_flags = src->image.palette_flags;
1902 dst->image.palette_count = src->image.palette_count;
1903 dst->image.palette_entries = src->image.palette_entries;
1904 }
1905 else
1906 GdipFree(src->image.palette_entries);
1907
1908 dst->image.xres = src->image.xres;
1909 dst->image.yres = src->image.yres;
1910 dst->width = src->width;
1911 dst->height = src->height;
1912 dst->format = src->format;
1913 dst->hbitmap = src->hbitmap;
1914 dst->hdc = src->hdc;
1915 dst->bits = src->bits;
1916 dst->stride = src->stride;
1917
1918 GdipFree(src);
1919 }
1920
1921 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
1922 {
1923 TRACE("%p\n", image);
1924
1925 if(!image)
1926 return InvalidParameter;
1927
1928 if (image->picture)
1929 IPicture_Release(image->picture);
1930 if (image->type == ImageTypeBitmap)
1931 {
1932 GdipFree(((GpBitmap*)image)->bitmapbits);
1933 DeleteDC(((GpBitmap*)image)->hdc);
1934 DeleteObject(((GpBitmap*)image)->hbitmap);
1935 }
1936 GdipFree(image->palette_entries);
1937 GdipFree(image);
1938
1939 return Ok;
1940 }
1941
1942 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
1943 {
1944 static int calls;
1945
1946 TRACE("(%p,%p)\n", image, item);
1947
1948 if(!image || !item)
1949 return InvalidParameter;
1950
1951 if (!(calls++))
1952 FIXME("not implemented\n");
1953
1954 return NotImplemented;
1955 }
1956
1957 GpStatus WINGDIPAPI GdipGetImageItemData(GpImage *image, ImageItemData *item)
1958 {
1959 static int calls;
1960
1961 TRACE("(%p,%p)\n", image, item);
1962
1963 if (!(calls++))
1964 FIXME("not implemented\n");
1965
1966 return NotImplemented;
1967 }
1968
1969 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
1970 GpUnit *srcUnit)
1971 {
1972 TRACE("%p %p %p\n", image, srcRect, srcUnit);
1973
1974 if(!image || !srcRect || !srcUnit)
1975 return InvalidParameter;
1976 if(image->type == ImageTypeMetafile){
1977 *srcRect = ((GpMetafile*)image)->bounds;
1978 *srcUnit = ((GpMetafile*)image)->unit;
1979 }
1980 else if(image->type == ImageTypeBitmap){
1981 srcRect->X = srcRect->Y = 0.0;
1982 srcRect->Width = (REAL) ((GpBitmap*)image)->width;
1983 srcRect->Height = (REAL) ((GpBitmap*)image)->height;
1984 *srcUnit = UnitPixel;
1985 }
1986 else{
1987 srcRect->X = srcRect->Y = 0.0;
1988 srcRect->Width = ipicture_pixel_width(image->picture);
1989 srcRect->Height = ipicture_pixel_height(image->picture);
1990 *srcUnit = UnitPixel;
1991 }
1992
1993 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
1994 srcRect->Width, srcRect->Height, *srcUnit);
1995
1996 return Ok;
1997 }
1998
1999 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
2000 REAL *height)
2001 {
2002 TRACE("%p %p %p\n", image, width, height);
2003
2004 if(!image || !height || !width)
2005 return InvalidParameter;
2006
2007 if(image->type == ImageTypeMetafile){
2008 HDC hdc = GetDC(0);
2009
2010 *height = convert_unit(hdc, ((GpMetafile*)image)->unit) *
2011 ((GpMetafile*)image)->bounds.Height;
2012
2013 *width = convert_unit(hdc, ((GpMetafile*)image)->unit) *
2014 ((GpMetafile*)image)->bounds.Width;
2015
2016 ReleaseDC(0, hdc);
2017 }
2018
2019 else if(image->type == ImageTypeBitmap){
2020 *height = ((GpBitmap*)image)->height;
2021 *width = ((GpBitmap*)image)->width;
2022 }
2023 else{
2024 *height = ipicture_pixel_height(image->picture);
2025 *width = ipicture_pixel_width(image->picture);
2026 }
2027
2028 TRACE("returning (%f, %f)\n", *height, *width);
2029 return Ok;
2030 }
2031
2032 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
2033 GpGraphics **graphics)
2034 {
2035 HDC hdc;
2036 GpStatus stat;
2037
2038 TRACE("%p %p\n", image, graphics);
2039
2040 if(!image || !graphics)
2041 return InvalidParameter;
2042
2043 if(image->type != ImageTypeBitmap){
2044 FIXME("not implemented for image type %d\n", image->type);
2045 return NotImplemented;
2046 }
2047
2048 hdc = ((GpBitmap*)image)->hdc;
2049
2050 if(!hdc){
2051 hdc = CreateCompatibleDC(0);
2052 SelectObject(hdc, ((GpBitmap*)image)->hbitmap);
2053 ((GpBitmap*)image)->hdc = hdc;
2054 }
2055
2056 stat = GdipCreateFromHDC(hdc, graphics);
2057
2058 if (stat == Ok)
2059 (*graphics)->image = image;
2060
2061 return stat;
2062 }
2063
2064 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
2065 {
2066 TRACE("%p %p\n", image, height);
2067
2068 if(!image || !height)
2069 return InvalidParameter;
2070
2071 if(image->type == ImageTypeMetafile){
2072 HDC hdc = GetDC(0);
2073
2074 *height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
2075 ((GpMetafile*)image)->bounds.Height);
2076
2077 ReleaseDC(0, hdc);
2078 }
2079 else if(image->type == ImageTypeBitmap)
2080 *height = ((GpBitmap*)image)->height;
2081 else
2082 *height = ipicture_pixel_height(image->picture);
2083
2084 TRACE("returning %d\n", *height);
2085
2086 return Ok;
2087 }
2088
2089 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
2090 {
2091 if(!image || !res)
2092 return InvalidParameter;
2093
2094 *res = image->xres;
2095
2096 TRACE("(%p) <-- %0.2f\n", image, *res);
2097
2098 return Ok;
2099 }
2100
2101 GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
2102 {
2103 TRACE("%p %p\n", image, size);
2104
2105 if(!image || !size)
2106 return InvalidParameter;
2107
2108 if (image->palette_count == 0)
2109 *size = sizeof(ColorPalette);
2110 else
2111 *size = sizeof(UINT)*2 + sizeof(ARGB)*image->palette_count;
2112
2113 TRACE("<-- %u\n", *size);
2114
2115 return Ok;
2116 }
2117
2118 /* FIXME: test this function for non-bitmap types */
2119 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
2120 {
2121 TRACE("%p %p\n", image, format);
2122
2123 if(!image || !format)
2124 return InvalidParameter;
2125
2126 if(image->type != ImageTypeBitmap)
2127 *format = PixelFormat24bppRGB;
2128 else
2129 *format = ((GpBitmap*) image)->format;
2130
2131 return Ok;
2132 }
2133
2134 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
2135 {
2136 if(!image || !format)
2137 return InvalidParameter;
2138
2139 memcpy(format, &image->format, sizeof(GUID));
2140
2141 return Ok;
2142 }
2143
2144 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
2145 {
2146 TRACE("%p %p\n", image, type);
2147
2148 if(!image || !type)
2149 return InvalidParameter;
2150
2151 *type = image->type;
2152
2153 return Ok;
2154 }
2155
2156 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
2157 {
2158 if(!image || !res)
2159 return InvalidParameter;
2160
2161 *res = image->yres;
2162
2163 TRACE("(%p) <-- %0.2f\n", image, *res);
2164
2165 return Ok;
2166 }
2167
2168 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
2169 {
2170 TRACE("%p %p\n", image, width);
2171
2172 if(!image || !width)
2173 return InvalidParameter;
2174
2175 if(image->type == ImageTypeMetafile){
2176 HDC hdc = GetDC(0);
2177
2178 *width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
2179 ((GpMetafile*)image)->bounds.Width);
2180
2181 ReleaseDC(0, hdc);
2182 }
2183 else if(image->type == ImageTypeBitmap)
2184 *width = ((GpBitmap*)image)->width;
2185 else
2186 *width = ipicture_pixel_width(image->picture);
2187
2188 TRACE("returning %d\n", *width);
2189
2190 return Ok;
2191 }
2192
2193 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
2194 MetafileHeader * header)
2195 {
2196 static int calls;
2197
2198 if(!metafile || !header)
2199 return InvalidParameter;
2200
2201 if(!(calls++))
2202 FIXME("not implemented\n");
2203
2204 memset(header, 0, sizeof(MetafileHeader));
2205
2206 return Ok;
2207 }
2208
2209 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
2210 UINT num, PropertyItem* items)
2211 {
2212 static int calls;
2213
2214 if(!(calls++))
2215 FIXME("not implemented\n");
2216
2217 return InvalidParameter;
2218 }
2219
2220 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
2221 {
2222 static int calls;
2223
2224 if(!(calls++))
2225 FIXME("not implemented\n");
2226
2227 return InvalidParameter;
2228 }
2229
2230 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
2231 {
2232 static int calls;
2233
2234 if(!(calls++))
2235 FIXME("not implemented\n");
2236
2237 return InvalidParameter;
2238 }
2239
2240 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
2241 PropertyItem* buffer)
2242 {
2243 static int calls;
2244
2245 if(!(calls++))
2246 FIXME("not implemented\n");
2247
2248 return InvalidParameter;
2249 }
2250
2251 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
2252 UINT* size)
2253 {
2254 static int calls;
2255
2256 TRACE("%p %x %p\n", image, pid, size);
2257
2258 if(!size || !image)
2259 return InvalidParameter;
2260
2261 if(!(calls++))
2262 FIXME("not implemented\n");
2263
2264 return NotImplemented;
2265 }
2266
2267 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
2268 {
2269 static int calls;
2270
2271 TRACE("(%p,%p,%p)\n", image, size, num);
2272
2273 if(!(calls++))
2274 FIXME("not implemented\n");
2275
2276 return InvalidParameter;
2277 }
2278
2279 struct image_format_dimension
2280 {
2281 const GUID *format;
2282 const GUID *dimension;
2283 };
2284
2285 struct image_format_dimension image_format_dimensions[] =
2286 {
2287 {&ImageFormatGIF, &FrameDimensionTime},
2288 {&ImageFormatIcon, &FrameDimensionResolution},
2289 {NULL}
2290 };
2291
2292 /* FIXME: Need to handle multi-framed images */
2293 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
2294 GDIPCONST GUID* dimensionID, UINT* count)
2295 {
2296 static int calls;
2297
2298 TRACE("(%p,%s,%p)\n", image, debugstr_guid(dimensionID), count);
2299
2300 if(!image || !count)
2301 return InvalidParameter;
2302
2303 if(!(calls++))
2304 FIXME("returning frame count of 1\n");
2305
2306 *count = 1;
2307
2308 return Ok;
2309 }
2310
2311 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
2312 UINT* count)
2313 {
2314 /* Native gdiplus 1.1 does not yet support multiple frame dimensions. */
2315
2316 if(!image || !count)
2317 return InvalidParameter;
2318
2319 *count = 1;
2320
2321 return Ok;
2322 }
2323
2324 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
2325 GUID* dimensionIDs, UINT count)
2326 {
2327 int i;
2328 const GUID *result=NULL;
2329
2330 TRACE("(%p,%p,%u)\n", image, dimensionIDs, count);
2331
2332 if(!image || !dimensionIDs || count != 1)
2333 return InvalidParameter;
2334
2335 for (i=0; image_format_dimensions[i].format; i++)
2336 {
2337 if (IsEqualGUID(&image->format, image_format_dimensions[i].format))
2338 {
2339 result = image_format_dimensions[i].dimension;
2340 break;
2341 }
2342 }
2343
2344 if (!result)
2345 result = &FrameDimensionPage;
2346
2347 memcpy(dimensionIDs, result, sizeof(GUID));
2348
2349 return Ok;
2350 }
2351
2352 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
2353 GDIPCONST GUID* dimensionID, UINT frameidx)
2354 {
2355 static int calls;
2356
2357 if(!image || !dimensionID)
2358 return InvalidParameter;
2359
2360 if(!(calls++))
2361 FIXME("not implemented\n");
2362
2363 return Ok;
2364 }
2365
2366 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
2367 GpImage **image)
2368 {
2369 GpStatus stat;
2370 IStream *stream;
2371
2372 TRACE("(%s) %p\n", debugstr_w(filename), image);
2373
2374 if (!filename || !image)
2375 return InvalidParameter;
2376
2377 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
2378
2379 if (stat != Ok)
2380 return stat;
2381
2382 stat = GdipLoadImageFromStream(stream, image);
2383
2384 IStream_Release(stream);
2385
2386 return stat;
2387 }
2388
2389 /* FIXME: no icm handling */
2390 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
2391 {
2392 TRACE("(%s) %p\n", debugstr_w(filename), image);
2393
2394 return GdipLoadImageFromFile(filename, image);
2395 }
2396
2397 static const WICPixelFormatGUID *wic_pixel_formats[] = {
2398 &GUID_WICPixelFormat16bppBGR555,
2399 &GUID_WICPixelFormat24bppBGR,
2400 &GUID_WICPixelFormat32bppBGR,
2401 &GUID_WICPixelFormat32bppBGRA,
2402 &GUID_WICPixelFormat32bppPBGRA,
2403 NULL
2404 };
2405
2406 static const PixelFormat wic_gdip_formats[] = {
2407 PixelFormat16bppRGB555,
2408 PixelFormat24bppRGB,
2409 PixelFormat32bppRGB,
2410 PixelFormat32bppARGB,
2411 PixelFormat32bppPARGB,
2412 };
2413
2414 static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, GpImage **image)
2415 {
2416 GpStatus status=Ok;
2417 GpBitmap *bitmap;
2418 HRESULT hr;
2419 IWICBitmapDecoder *decoder;
2420 IWICBitmapFrameDecode *frame;
2421 IWICBitmapSource *source=NULL;
2422 WICPixelFormatGUID wic_format;
2423 PixelFormat gdip_format=0;
2424 int i;
2425 UINT width, height;
2426 BitmapData lockeddata;
2427 WICRect wrc;
2428 HRESULT initresult;
2429
2430 initresult = CoInitialize(NULL);
2431
2432 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2433 &IID_IWICBitmapDecoder, (void**)&decoder);
2434 if (FAILED(hr)) goto end;
2435
2436 hr = IWICBitmapDecoder_Initialize(decoder, (IStream*)stream, WICDecodeMetadataCacheOnLoad);
2437 if (SUCCEEDED(hr))
2438 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
2439
2440 if (SUCCEEDED(hr)) /* got frame */
2441 {
2442 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format);
2443
2444 if (SUCCEEDED(hr))
2445 {
2446 for (i=0; wic_pixel_formats[i]; i++)
2447 {
2448 if (IsEqualGUID(&wic_format, wic_pixel_formats[i]))
2449 {
2450 source = (IWICBitmapSource*)frame;
2451 IWICBitmapSource_AddRef(source);
2452 gdip_format = wic_gdip_formats[i];
2453 break;
2454 }
2455 }
2456 if (!source)
2457 {
2458 /* unknown format; fall back on 32bppARGB */
2459 hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, (IWICBitmapSource*)frame, &source);
2460 gdip_format = PixelFormat32bppARGB;
2461 }
2462 }
2463
2464 if (SUCCEEDED(hr)) /* got source */
2465 {
2466 hr = IWICBitmapSource_GetSize(source, &width, &height);
2467
2468 if (SUCCEEDED(hr))
2469 status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format,
2470 NULL, &bitmap);
2471
2472 if (SUCCEEDED(hr) && status == Ok) /* created bitmap */
2473 {
2474 status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite,
2475 gdip_format, &lockeddata);
2476 if (status == Ok) /* locked bitmap */
2477 {
2478 wrc.X = 0;
2479 wrc.Width = width;
2480 wrc.Height = 1;
2481 for (i=0; i<height; i++)
2482 {
2483 wrc.Y = i;
2484 hr = IWICBitmapSource_CopyPixels(source, &wrc, abs(lockeddata.Stride),
2485 abs(lockeddata.Stride), (BYTE*)lockeddata.Scan0+lockeddata.Stride*i);
2486 if (FAILED(hr)) break;
2487 }
2488
2489 GdipBitmapUnlockBits(bitmap, &lockeddata);
2490 }
2491
2492 if (SUCCEEDED(hr) && status == Ok)
2493 *image = (GpImage*)bitmap;
2494 else
2495 {
2496 *image = NULL;
2497 GdipDisposeImage((GpImage*)bitmap);
2498 }
2499 }
2500
2501 IWICBitmapSource_Release(source);
2502 }
2503
2504 IWICBitmapFrameDecode_Release(frame);
2505 }
2506
2507 IWICBitmapDecoder_Release(decoder);
2508
2509 end:
2510 if (SUCCEEDED(initresult)) CoUninitialize();
2511
2512 if (FAILED(hr) && status == Ok) status = hresult_to_status(hr);
2513
2514 return status;
2515 }
2516
2517 static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, GpImage **image)
2518 {
2519 return decode_image_wic(stream, &CLSID_WICIcoDecoder, image);
2520 }
2521
2522 static GpStatus decode_image_bmp(IStream* stream, REFCLSID clsid, GpImage **image)
2523 {
2524 GpStatus status;
2525 GpBitmap* bitmap;
2526
2527 status = decode_image_wic(stream, &CLSID_WICBmpDecoder, image);
2528
2529 bitmap = (GpBitmap*)*image;
2530
2531 if (status == Ok && bitmap->format == PixelFormat32bppARGB)
2532 {
2533 /* WIC supports bmp files with alpha, but gdiplus does not */
2534 bitmap->format = PixelFormat32bppRGB;
2535 }
2536
2537 return status;
2538 }
2539
2540 static GpStatus decode_image_jpeg(IStream* stream, REFCLSID clsid, GpImage **image)
2541 {
2542 return decode_image_wic(stream, &CLSID_WICJpegDecoder, image);
2543 }
2544
2545 static GpStatus decode_image_png(IStream* stream, REFCLSID clsid, GpImage **image)
2546 {
2547 return decode_image_wic(stream, &CLSID_WICPngDecoder, image);
2548 }
2549
2550 static GpStatus decode_image_gif(IStream* stream, REFCLSID clsid, GpImage **image)
2551 {
2552 return decode_image_wic(stream, &CLSID_WICGifDecoder, image);
2553 }
2554
2555 static GpStatus decode_image_tiff(IStream* stream, REFCLSID clsid, GpImage **image)
2556 {
2557 return decode_image_wic(stream, &CLSID_WICTiffDecoder, image);
2558 }
2559
2560 static GpStatus decode_image_olepicture_metafile(IStream* stream, REFCLSID clsid, GpImage **image)
2561 {
2562 IPicture *pic;
2563
2564 TRACE("%p %p\n", stream, image);
2565
2566 if(!stream || !image)
2567 return InvalidParameter;
2568
2569 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
2570 (LPVOID*) &pic) != S_OK){
2571 TRACE("Could not load picture\n");
2572 return GenericError;
2573 }
2574
2575 /* FIXME: missing initialization code */
2576 *image = GdipAlloc(sizeof(GpMetafile));
2577 if(!*image) return OutOfMemory;
2578 (*image)->type = ImageTypeMetafile;
2579 (*image)->picture = pic;
2580 (*image)->flags = ImageFlagsNone;
2581 (*image)->palette_flags = 0;
2582 (*image)->palette_count = 0;
2583 (*image)->palette_size = 0;
2584 (*image)->palette_entries = NULL;
2585
2586 TRACE("<-- %p\n", *image);
2587
2588 return Ok;
2589 }
2590
2591 typedef GpStatus (*encode_image_func)(GpImage *image, IStream* stream,
2592 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params);
2593
2594 typedef GpStatus (*decode_image_func)(IStream *stream, REFCLSID clsid, GpImage** image);
2595
2596 typedef struct image_codec {
2597 ImageCodecInfo info;
2598 encode_image_func encode_func;
2599 decode_image_func decode_func;
2600 } image_codec;
2601
2602 typedef enum {
2603 BMP,
2604 JPEG,
2605 GIF,
2606 TIFF,
2607 EMF,
2608 WMF,
2609 PNG,
2610 ICO,
2611 NUM_CODECS
2612 } ImageFormat;
2613
2614 static const struct image_codec codecs[NUM_CODECS];
2615
2616 static GpStatus get_decoder_info(IStream* stream, const struct image_codec **result)
2617 {
2618 BYTE signature[8];
2619 const BYTE *pattern, *mask;
2620 LARGE_INTEGER seek;
2621 HRESULT hr;
2622 UINT bytesread;
2623 int i, j, sig;
2624
2625 /* seek to the start of the stream */
2626 seek.QuadPart = 0;
2627 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2628 if (FAILED(hr)) return hresult_to_status(hr);
2629
2630 /* read the first 8 bytes */
2631 /* FIXME: This assumes all codecs have signatures <= 8 bytes in length */
2632 hr = IStream_Read(stream, signature, 8, &bytesread);
2633 if (FAILED(hr)) return hresult_to_status(hr);
2634 if (hr == S_FALSE || bytesread == 0) return GenericError;
2635
2636 for (i = 0; i < NUM_CODECS; i++) {
2637 if ((codecs[i].info.Flags & ImageCodecFlagsDecoder) &&
2638 bytesread >= codecs[i].info.SigSize)
2639 {
2640 for (sig=0; sig<codecs[i].info.SigCount; sig++)
2641 {
2642 pattern = &codecs[i].info.SigPattern[codecs[i].info.SigSize*sig];
2643 mask = &codecs[i].info.SigMask[codecs[i].info.SigSize*sig];
2644 for (j=0; j<codecs[i].info.SigSize; j++)
2645 if ((signature[j] & mask[j]) != pattern[j])
2646 break;
2647 if (j == codecs[i].info.SigSize)
2648 {
2649 *result = &codecs[i];
2650 return Ok;
2651 }
2652 }
2653 }
2654 }
2655
2656 TRACE("no match for %i byte signature %x %x %x %x %x %x %x %x\n", bytesread,
2657 signature[0],signature[1],signature[2],signature[3],
2658 signature[4],signature[5],signature[6],signature[7]);
2659
2660 return GenericError;
2661 }
2662
2663 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
2664 {
2665 GpStatus stat;
2666 LARGE_INTEGER seek;
2667 HRESULT hr;
2668 const struct image_codec *codec=NULL;
2669
2670 /* choose an appropriate image decoder */
2671 stat = get_decoder_info(stream, &codec);
2672 if (stat != Ok) return stat;
2673
2674 /* seek to the start of the stream */
2675 seek.QuadPart = 0;
2676 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2677 if (FAILED(hr)) return hresult_to_status(hr);
2678
2679 /* call on the image decoder to do the real work */
2680 stat = codec->decode_func(stream, &codec->info.Clsid, image);
2681
2682 /* take note of the original data format */
2683 if (stat == Ok)
2684 {
2685 memcpy(&(*image)->format, &codec->info.FormatID, sizeof(GUID));
2686 }
2687
2688 return stat;
2689 }
2690
2691 /* FIXME: no ICM */
2692 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
2693 {
2694 TRACE("%p %p\n", stream, image);
2695
2696 return GdipLoadImageFromStream(stream, image);
2697 }
2698
2699 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
2700 {
2701 static int calls;
2702
2703 TRACE("(%p,%u)\n", image, propId);
2704
2705 if(!image)
2706 return InvalidParameter;
2707
2708 if(!(calls++))
2709 FIXME("not implemented\n");
2710
2711 return NotImplemented;
2712 }
2713
2714 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
2715 {
2716 static int calls;
2717
2718 TRACE("(%p,%p)\n", image, item);
2719
2720 if(!(calls++))
2721 FIXME("not implemented\n");
2722
2723 return NotImplemented;
2724 }
2725
2726 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
2727 GDIPCONST CLSID *clsidEncoder,
2728 GDIPCONST EncoderParameters *encoderParams)
2729 {
2730 GpStatus stat;
2731 IStream *stream;
2732
2733 TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
2734
2735 if (!image || !filename|| !clsidEncoder)
2736 return InvalidParameter;
2737
2738 stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
2739 if (stat != Ok)
2740 return GenericError;
2741
2742 stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
2743
2744 IStream_Release(stream);
2745 return stat;
2746 }
2747
2748 /*************************************************************************
2749 * Encoding functions -
2750 * These functions encode an image in different image file formats.
2751 */
2752 #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
2753 #define BITMAP_FORMAT_JPEG 0xd8ff
2754 #define BITMAP_FORMAT_GIF 0x4947
2755 #define BITMAP_FORMAT_PNG 0x5089
2756 #define BITMAP_FORMAT_APM 0xcdd7
2757
2758 static GpStatus encode_image_WIC(GpImage *image, IStream* stream,
2759 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2760 {
2761 GpStatus stat;
2762 GpBitmap *bitmap;
2763 IWICBitmapEncoder *encoder;
2764 IWICBitmapFrameEncode *frameencode;
2765 IPropertyBag2 *encoderoptions;
2766 HRESULT hr;
2767 UINT width, height;
2768 PixelFormat gdipformat=0;
2769 WICPixelFormatGUID wicformat;
2770 GpRect rc;
2771 BitmapData lockeddata;
2772 HRESULT initresult;
2773 UINT i;
2774
2775 if (image->type != ImageTypeBitmap)
2776 return GenericError;
2777
2778 bitmap = (GpBitmap*)image;
2779
2780 GdipGetImageWidth(image, &width);
2781 GdipGetImageHeight(image, &height);
2782
2783 rc.X = 0;
2784 rc.Y = 0;
2785 rc.Width = width;
2786 rc.Height = height;
2787
2788 initresult = CoInitialize(NULL);
2789
2790 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2791 &IID_IWICBitmapEncoder, (void**)&encoder);
2792 if (FAILED(hr))
2793 {
2794 if (SUCCEEDED(initresult)) CoUninitialize();
2795 return hresult_to_status(hr);
2796 }
2797
2798 hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache);
2799
2800 if (SUCCEEDED(hr))
2801 {
2802 hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
2803 }
2804
2805 if (SUCCEEDED(hr)) /* created frame */
2806 {
2807 hr = IWICBitmapFrameEncode_Initialize(frameencode, encoderoptions);
2808
2809 if (SUCCEEDED(hr))
2810 hr = IWICBitmapFrameEncode_SetSize(frameencode, width, height);
2811
2812 if (SUCCEEDED(hr))
2813 /* FIXME: use the resolution from the image */
2814 hr = IWICBitmapFrameEncode_SetResolution(frameencode, 96.0, 96.0);
2815
2816 if (SUCCEEDED(hr))
2817 {
2818 for (i=0; wic_pixel_formats[i]; i++)
2819 {
2820 if (wic_gdip_formats[i] == bitmap->format)
2821 break;
2822 }
2823 if (wic_pixel_formats[i])
2824 memcpy(&wicformat, wic_pixel_formats[i], sizeof(GUID));
2825 else
2826 memcpy(&wicformat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
2827
2828 hr = IWICBitmapFrameEncode_SetPixelFormat(frameencode, &wicformat);
2829
2830 for (i=0; wic_pixel_formats[i]; i++)
2831 {
2832 if (IsEqualGUID(&wicformat, wic_pixel_formats[i]))
2833 break;
2834 }
2835 if (wic_pixel_formats[i])
2836 gdipformat = wic_gdip_formats[i];
2837 else
2838 {
2839 ERR("cannot provide pixel format %s\n", debugstr_guid(&wicformat));
2840 hr = E_FAIL;
2841 }
2842 }
2843
2844 if (SUCCEEDED(hr))
2845 {
2846 stat = GdipBitmapLockBits(bitmap, &rc, ImageLockModeRead, gdipformat,
2847 &lockeddata);
2848
2849 if (stat == Ok)
2850 {
2851 UINT row_size = (lockeddata.Width * PIXELFORMATBPP(gdipformat) + 7)/8;
2852 BYTE *row;
2853
2854 /* write one row at a time in case stride is negative */
2855 row = lockeddata.Scan0;
2856 for (i=0; i<lockeddata.Height; i++)
2857 {
2858 hr = IWICBitmapFrameEncode_WritePixels(frameencode, 1, row_size, row_size, row);
2859 if (FAILED(hr)) break;
2860 row += lockeddata.Stride;
2861 }
2862
2863 GdipBitmapUnlockBits(bitmap, &lockeddata);
2864 }
2865 else
2866 hr = E_FAIL;
2867 }
2868
2869 if (SUCCEEDED(hr))
2870 hr = IWICBitmapFrameEncode_Commit(frameencode);
2871
2872 IWICBitmapFrameEncode_Release(frameencode);
2873 IPropertyBag2_Release(encoderoptions);
2874 }
2875
2876 if (SUCCEEDED(hr))
2877 hr = IWICBitmapEncoder_Commit(encoder);
2878
2879 IWICBitmapEncoder_Release(encoder);
2880
2881 if (SUCCEEDED(initresult)) CoUninitialize();
2882
2883 return hresult_to_status(hr);
2884 }
2885
2886 static GpStatus encode_image_BMP(GpImage *image, IStream* stream,
2887 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2888 {
2889 return encode_image_WIC(image, stream, &CLSID_WICBmpEncoder, params);
2890 }
2891
2892 static GpStatus encode_image_png(GpImage *image, IStream* stream,
2893 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2894 {
2895 return encode_image_WIC(image, stream, &CLSID_WICPngEncoder, params);
2896 }
2897
2898 /*****************************************************************************
2899 * GdipSaveImageToStream [GDIPLUS.@]
2900 */
2901 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
2902 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2903 {
2904 GpStatus stat;
2905 encode_image_func encode_image;
2906 int i;
2907
2908 TRACE("%p %p %p %p\n", image, stream, clsid, params);
2909
2910 if(!image || !stream)
2911 return InvalidParameter;
2912
2913 /* select correct encoder */
2914 encode_image = NULL;
2915 for (i = 0; i < NUM_CODECS; i++) {
2916 if ((codecs[i].info.Flags & ImageCodecFlagsEncoder) &&
2917 IsEqualCLSID(clsid, &codecs[i].info.Clsid))
2918 encode_image = codecs[i].encode_func;
2919 }
2920 if (encode_image == NULL)
2921 return UnknownImageFormat;
2922
2923 stat = encode_image(image, stream, clsid, params);
2924
2925 return stat;
2926 }
2927
2928 /*****************************************************************************
2929 * GdipGetImagePalette [GDIPLUS.@]
2930 */
2931 GpStatus WINGDIPAPI GdipGetImagePalette(GpImage *image, ColorPalette *palette, INT size)
2932 {
2933 TRACE("(%p,%p,%i)\n", image, palette, size);
2934
2935 if (!image || !palette)
2936 return InvalidParameter;
2937
2938 if (size < (sizeof(UINT)*2+sizeof(ARGB)*image->palette_count))
2939 {
2940 TRACE("<-- InsufficientBuffer\n");
2941 return InsufficientBuffer;
2942 }
2943
2944 palette->Flags = image->palette_flags;
2945 palette->Count = image->palette_count;
2946 memcpy(palette->Entries, image->palette_entries, sizeof(ARGB)*image->palette_count);
2947
2948 return Ok;
2949 }
2950
2951 /*****************************************************************************
2952 * GdipSetImagePalette [GDIPLUS.@]
2953 */
2954 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
2955 GDIPCONST ColorPalette *palette)
2956 {
2957 TRACE("(%p,%p)\n", image, palette);
2958
2959 if(!image || !palette || palette->Count > 256)
2960 return InvalidParameter;
2961
2962 if (palette->Count > image->palette_size)
2963 {
2964 ARGB *new_palette;
2965
2966 new_palette = GdipAlloc(sizeof(ARGB) * palette->Count);
2967 if (!new_palette) return OutOfMemory;
2968
2969 GdipFree(image->palette_entries);
2970 image->palette_entries = new_palette;
2971 image->palette_size = palette->Count;
2972 }
2973
2974 image->palette_flags = palette->Flags;
2975 image->palette_count = palette->Count;
2976 memcpy(image->palette_entries, palette->Entries, sizeof(ARGB)*palette->Count);
2977
2978 return Ok;
2979 }
2980
2981 /*************************************************************************
2982 * Encoders -
2983 * Structures that represent which formats we support for encoding.
2984 */
2985
2986 /* ImageCodecInfo creation routines taken from libgdiplus */
2987 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
2988 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
2989 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
2990 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
2991 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
2992 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
2993
2994 static const WCHAR jpeg_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0};
2995 static const WCHAR jpeg_extension[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0};
2996 static const WCHAR jpeg_mimetype[] = {'i','m','a','g','e','/','j','p','e','g', 0};
2997 static const WCHAR jpeg_format[] = {'J','P','E','G',0};
2998 static const BYTE jpeg_sig_pattern[] = { 0xFF, 0xD8 };
2999 static const BYTE jpeg_sig_mask[] = { 0xFF, 0xFF };
3000
3001 static const WCHAR gif_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0};
3002 static const WCHAR gif_extension[] = {'*','.','G','I','F',0};
3003 static const WCHAR gif_mimetype[] = {'i','m','a','g','e','/','g','i','f', 0};
3004 static const WCHAR gif_format[] = {'G','I','F',0};
3005 static const BYTE gif_sig_pattern[4] = "GIF8";
3006 static const BYTE gif_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3007
3008 static const WCHAR tiff_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'T','I','F','F', 0};
3009 static const WCHAR tiff_extension[] = {'*','.','T','I','F','F',';','*','.','T','I','F',0};
3010 static const WCHAR tiff_mimetype[] = {'i','m','a','g','e','/','t','i','f','f', 0};
3011 static const WCHAR tiff_format[] = {'T','I','F','F',0};
3012 static const BYTE tiff_sig_pattern[] = {0x49,0x49,42,0,0x4d,0x4d,0,42};
3013 static const BYTE tiff_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3014
3015 static const WCHAR emf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0};
3016 static const WCHAR emf_extension[] = {'*','.','E','M','F',0};
3017 static const WCHAR emf_mimetype[] = {'i','m','a','g','e','/','x','-','e','m','f', 0};
3018 static const WCHAR emf_format[] = {'E','M','F',0};
3019 static const BYTE emf_sig_pattern[] = { 0x01, 0x00, 0x00, 0x00 };
3020 static const BYTE emf_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3021
3022 static const WCHAR wmf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0};
3023 static const WCHAR wmf_extension[] = {'*','.','W','M','F',0};
3024 static const WCHAR wmf_mimetype[] = {'i','m','a','g','e','/','x','-','w','m','f', 0};
3025 static const WCHAR wmf_format[] = {'W','M','F',0};
3026 static const BYTE wmf_sig_pattern[] = { 0xd7, 0xcd };
3027 static const BYTE wmf_sig_mask[] = { 0xFF, 0xFF };
3028
3029 static const WCHAR png_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0};
3030 static const WCHAR png_extension[] = {'*','.','P','N','G',0};
3031 static const WCHAR png_mimetype[] = {'i','m','a','g','e','/','p','n','g', 0};
3032 static const WCHAR png_format[] = {'P','N','G',0};
3033 static const BYTE png_sig_pattern[] = { 137, 80, 78, 71, 13, 10, 26, 10, };
3034 static const BYTE png_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3035
3036 static const WCHAR ico_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0};
3037 static const WCHAR ico_extension[] = {'*','.','I','C','O',0};
3038 static const WCHAR ico_mimetype[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0};
3039 static const WCHAR ico_format[] = {'I','C','O',0};
3040 static const BYTE ico_sig_pattern[] = { 0x00, 0x00, 0x01, 0x00 };
3041 static const BYTE ico_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3042
3043 static const struct image_codec codecs[NUM_CODECS] = {
3044 {
3045 { /* BMP */
3046 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3047 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3048 /* CodecName */ bmp_codecname,
3049 /* DllName */ NULL,
3050 /* FormatDescription */ bmp_format,
3051 /* FilenameExtension */ bmp_extension,
3052 /* MimeType */ bmp_mimetype,
3053 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3054 /* Version */ 1,
3055 /* SigCount */ 1,
3056 /* SigSize */ 2,
3057 /* SigPattern */ bmp_sig_pattern,
3058 /* SigMask */ bmp_sig_mask,
3059 },
3060 encode_image_BMP,
3061 decode_image_bmp
3062 },
3063 {
3064 { /* JPEG */
3065 /* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3066 /* FormatID */ { 0xb96b3caeU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3067 /* CodecName */ jpeg_codecname,
3068 /* DllName */ NULL,
3069 /* FormatDescription */ jpeg_format,
3070 /* FilenameExtension */ jpeg_extension,
3071 /* MimeType */ jpeg_mimetype,
3072 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3073 /* Version */ 1,
3074 /* SigCount */ 1,
3075 /* SigSize */ 2,
3076 /* SigPattern */ jpeg_sig_pattern,
3077 /* SigMask */ jpeg_sig_mask,
3078 },
3079 NULL,
3080 decode_image_jpeg
3081 },
3082 {
3083 { /* GIF */
3084 /* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3085 /* FormatID */ { 0xb96b3cb0U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3086 /* CodecName */ gif_codecname,
3087 /* DllName */ NULL,
3088 /* FormatDescription */ gif_format,
3089 /* FilenameExtension */ gif_extension,
3090 /* MimeType */ gif_mimetype,
3091 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3092 /* Version */ 1,
3093 /* SigCount */ 1,
3094 /* SigSize */ 4,
3095 /* SigPattern */ gif_sig_pattern,
3096 /* SigMask */ gif_sig_mask,
3097 },
3098 NULL,
3099 decode_image_gif
3100 },
3101 {
3102 { /* TIFF */
3103 /* Clsid */ { 0x557cf405, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3104 /* FormatID */ { 0xb96b3cb1U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3105 /* CodecName */ tiff_codecname,
3106 /* DllName */ NULL,
3107 /* FormatDescription */ tiff_format,
3108 /* FilenameExtension */ tiff_extension,
3109 /* MimeType */ tiff_mimetype,
3110 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3111 /* Version */ 1,
3112 /* SigCount */ 2,
3113 /* SigSize */ 4,
3114 /* SigPattern */ tiff_sig_pattern,
3115 /* SigMask */ tiff_sig_mask,
3116 },
3117 NULL,
3118 decode_image_tiff
3119 },
3120 {
3121 { /* EMF */
3122 /* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3123 /* FormatID */ { 0xb96b3cacU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3124 /* CodecName */ emf_codecname,
3125 /* DllName */ NULL,
3126 /* FormatDescription */ emf_format,
3127 /* FilenameExtension */ emf_extension,
3128 /* MimeType */ emf_mimetype,
3129 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3130 /* Version */ 1,
3131 /* SigCount */ 1,
3132 /* SigSize */ 4,
3133 /* SigPattern */ emf_sig_pattern,
3134 /* SigMask */ emf_sig_mask,
3135 },
3136 NULL,
3137 decode_image_olepicture_metafile
3138 },
3139 {
3140 { /* WMF */
3141 /* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3142 /* FormatID */ { 0xb96b3cadU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3143 /* CodecName */ wmf_codecname,
3144 /* DllName */ NULL,
3145 /* FormatDescription */ wmf_format,
3146 /* FilenameExtension */ wmf_extension,
3147 /* MimeType */ wmf_mimetype,
3148 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3149 /* Version */ 1,
3150 /* SigCount */ 1,
3151 /* SigSize */ 2,
3152 /* SigPattern */ wmf_sig_pattern,
3153 /* SigMask */ wmf_sig_mask,
3154 },
3155 NULL,
3156 decode_image_olepicture_metafile
3157 },
3158 {
3159 { /* PNG */
3160 /* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3161 /* FormatID */ { 0xb96b3cafU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3162 /* CodecName */ png_codecname,
3163 /* DllName */ NULL,
3164 /* FormatDescription */ png_format,
3165 /* FilenameExtension */ png_extension,
3166 /* MimeType */ png_mimetype,
3167 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3168 /* Version */ 1,
3169 /* SigCount */ 1,
3170 /* SigSize */ 8,
3171 /* SigPattern */ png_sig_pattern,
3172 /* SigMask */ png_sig_mask,
3173 },
3174 encode_image_png,
3175 decode_image_png
3176 },
3177 {
3178 { /* ICO */
3179 /* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3180 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3181 /* CodecName */ ico_codecname,
3182 /* DllName */ NULL,
3183 /* FormatDescription */ ico_format,
3184 /* FilenameExtension */ ico_extension,
3185 /* MimeType */ ico_mimetype,
3186 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3187 /* Version */ 1,
3188 /* SigCount */ 1,
3189 /* SigSize */ 4,
3190 /* SigPattern */ ico_sig_pattern,
3191 /* SigMask */ ico_sig_mask,
3192 },
3193 NULL,
3194 decode_image_icon
3195 },
3196 };
3197
3198 /*****************************************************************************
3199 * GdipGetImageDecodersSize [GDIPLUS.@]
3200 */
3201 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
3202 {
3203 int decoder_count=0;
3204 int i;
3205 TRACE("%p %p\n", numDecoders, size);
3206
3207 if (!numDecoders || !size)
3208 return InvalidParameter;
3209
3210 for (i=0; i<NUM_CODECS; i++)
3211 {
3212 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3213 decoder_count++;
3214 }
3215
3216 *numDecoders = decoder_count;
3217 *size = decoder_count * sizeof(ImageCodecInfo);
3218
3219 return Ok;
3220 }
3221
3222 /*****************************************************************************
3223 * GdipGetImageDecoders [GDIPLUS.@]
3224 */
3225 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
3226 {
3227 int i, decoder_count=0;
3228 TRACE("%u %u %p\n", numDecoders, size, decoders);
3229
3230 if (!decoders ||
3231 size != numDecoders * sizeof(ImageCodecInfo))
3232 return GenericError;
3233
3234 for (i=0; i<NUM_CODECS; i++)
3235 {
3236 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3237 {
3238 if (decoder_count == numDecoders) return GenericError;
3239 memcpy(&decoders[decoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3240 decoder_count++;
3241 }
3242 }
3243
3244 if (decoder_count < numDecoders) return GenericError;
3245
3246 return Ok;
3247 }
3248
3249 /*****************************************************************************
3250 * GdipGetImageEncodersSize [GDIPLUS.@]
3251 */
3252 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
3253 {
3254 int encoder_count=0;
3255 int i;
3256 TRACE("%p %p\n", numEncoders, size);
3257
3258 if (!numEncoders || !size)
3259 return InvalidParameter;
3260
3261 for (i=0; i<NUM_CODECS; i++)
3262 {
3263 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3264 encoder_count++;
3265 }
3266
3267 *numEncoders = encoder_count;
3268 *size = encoder_count * sizeof(ImageCodecInfo);
3269
3270 return Ok;
3271 }
3272
3273 /*****************************************************************************
3274 * GdipGetImageEncoders [GDIPLUS.@]
3275 */
3276 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
3277 {
3278 int i, encoder_count=0;
3279 TRACE("%u %u %p\n", numEncoders, size, encoders);
3280
3281 if (!encoders ||
3282 size != numEncoders * sizeof(ImageCodecInfo))
3283 return GenericError;
3284
3285 for (i=0; i<NUM_CODECS; i++)
3286 {
3287 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3288 {
3289 if (encoder_count == numEncoders) return GenericError;
3290 memcpy(&encoders[encoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3291 encoder_count++;
3292 }
3293 }
3294
3295 if (encoder_count < numEncoders) return GenericError;
3296
3297 return Ok;
3298 }
3299
3300 /*****************************************************************************
3301 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
3302 */
3303 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
3304 {
3305 BITMAP bm;
3306 GpStatus retval;
3307 PixelFormat format;
3308 BitmapData lockeddata;
3309 INT y;
3310
3311 TRACE("%p %p %p\n", hbm, hpal, bitmap);
3312
3313 if(!hbm || !bitmap)
3314 return InvalidParameter;
3315
3316 /* TODO: Support for device-dependent bitmaps */
3317 if(hpal){
3318 FIXME("no support for device-dependent bitmaps\n");
3319 return NotImplemented;
3320 }
3321
3322 if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
3323 return InvalidParameter;
3324
3325 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
3326 switch(bm.bmBitsPixel) {
3327 case 1:
3328 format = PixelFormat1bppIndexed;
3329 break;
3330 case 4:
3331 format = PixelFormat4bppIndexed;
3332 break;
3333 case 8:
3334 format = PixelFormat8bppIndexed;
3335 break;
3336 case 24:
3337 format = PixelFormat24bppRGB;
3338 break;
3339 case 32:
3340 format = PixelFormat32bppRGB;
3341 break;
3342 case 48:
3343 format = PixelFormat48bppRGB;
3344 break;
3345 default:
3346 FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
3347 return InvalidParameter;
3348 }
3349
3350 retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, 0,
3351 format, NULL, bitmap);
3352
3353 if (retval == Ok)
3354 {
3355 retval = GdipBitmapLockBits(*bitmap, NULL, ImageLockModeWrite,
3356 format, &lockeddata);
3357 if (retval == Ok)
3358 {
3359 if (bm.bmBits)
3360 {
3361 for (y=0; y<bm.bmHeight; y++)
3362 {
3363 memcpy((BYTE*)lockeddata.Scan0+lockeddata.Stride*y,
3364 (BYTE*)bm.bmBits+bm.bmWidthBytes*(bm.bmHeight-1-y),
3365 bm.bmWidthBytes);
3366 }
3367 }
3368 else
3369 {
3370 HDC hdc;
3371 HBITMAP oldhbm;
3372 BITMAPINFO *pbmi;
3373 INT src_height, dst_stride;
3374 BYTE *dst_bits;
3375
3376 hdc = CreateCompatibleDC(NULL);
3377 oldhbm = SelectObject(hdc, hbm);
3378
3379 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
3380
3381 if (pbmi)
3382 {
3383 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
3384 pbmi->bmiHeader.biBitCount = 0;
3385
3386 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
3387
3388 src_height = abs(pbmi->bmiHeader.biHeight);
3389
3390 if (pbmi->bmiHeader.biHeight > 0)
3391 {
3392 dst_bits = (BYTE*)lockeddata.Scan0+lockeddata.Stride*(src_height-1);
3393 dst_stride = -lockeddata.Stride;
3394 }
3395 else
3396 {
3397 dst_bits = lockeddata.Scan0;
3398 dst_stride = lockeddata.Stride;
3399 }
3400
3401 for (y=0; y<src_height; y++)
3402 {
3403 GetDIBits(hdc, hbm, y, 1, dst_bits+dst_stride*y,
3404 pbmi, DIB_RGB_COLORS);
3405 }
3406
3407 GdipFree(pbmi);
3408 }
3409 else
3410 retval = OutOfMemory;
3411
3412 SelectObject(hdc, oldhbm);
3413 DeleteDC(hdc);
3414 }
3415
3416 GdipBitmapUnlockBits(*bitmap, &lockeddata);
3417 }
3418 }
3419
3420 return retval;
3421 }
3422
3423 GpStatus WINGDIPAPI GdipDeleteEffect(CGpEffect *effect)
3424 {
3425 FIXME("(%p): stub\n", effect);
3426 /* note: According to Jose Roca's GDI+ Docs, this is not implemented
3427 * in Windows's gdiplus */
3428 return NotImplemented;
3429 }
3430
3431 /*****************************************************************************
3432 * GdipSetEffectParameters [GDIPLUS.@]
3433 */
3434 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
3435 const VOID *params, const UINT size)
3436 {
3437 static int calls;
3438
3439 TRACE("(%p,%p,%u)\n", effect, params, size);
3440
3441 if(!(calls++))
3442 FIXME("not implemented\n");
3443
3444 return NotImplemented;
3445 }
3446
3447 /*****************************************************************************
3448 * GdipGetImageFlags [GDIPLUS.@]
3449 */
3450 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
3451 {
3452 TRACE("%p %p\n", image, flags);
3453
3454 if(!image || !flags)
3455 return InvalidParameter;
3456
3457 *flags = image->flags;
3458
3459 return Ok;
3460 }
3461
3462 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
3463 {
3464 TRACE("(%d, %p)\n", control, param);
3465
3466 switch(control){
3467 case TestControlForceBilinear:
3468 if(param)
3469 FIXME("TestControlForceBilinear not handled\n");
3470 break;
3471 case TestControlNoICM:
3472 if(param)
3473 FIXME("TestControlNoICM not handled\n");
3474 break;
3475 case TestControlGetBuildNumber:
3476 *((DWORD*)param) = 3102;
3477 break;
3478 }
3479
3480 return Ok;
3481 }
3482
3483 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
3484 HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
3485 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
3486 GpMetafile **metafile)
3487 {
3488 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3489 frameUnit, debugstr_w(desc), metafile);
3490
3491 return NotImplemented;
3492 }
3493
3494 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
3495 GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
3496 GDIPCONST WCHAR *desc, GpMetafile **metafile)
3497 {
3498 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3499 frameUnit, debugstr_w(desc), metafile);
3500
3501 return NotImplemented;
3502 }
3503
3504 GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
3505 {
3506 TRACE("%p\n", image);
3507
3508 return Ok;
3509 }
3510
3511 /*****************************************************************************
3512 * GdipGetImageThumbnail [GDIPLUS.@]
3513 */
3514 GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT height,
3515 GpImage **ret_image, GetThumbnailImageAbort cb,
3516 VOID * cb_data)
3517 {
3518 FIXME("(%p %u %u %p %p %p) stub\n",
3519 image, width, height, ret_image, cb, cb_data);
3520 return NotImplemented;
3521 }
3522
3523 /*****************************************************************************
3524 * GdipImageRotateFlip [GDIPLUS.@]
3525 */
3526 GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type)
3527 {
3528 GpBitmap *new_bitmap;
3529 GpBitmap *bitmap;
3530 int bpp, bytesperpixel;
3531 int rotate_90, flip_x, flip_y;
3532 int src_x_offset, src_y_offset;
3533 LPBYTE src_origin;
3534 UINT x, y, width, height;
3535 BitmapData src_lock, dst_lock;
3536 GpStatus stat;
3537
3538 TRACE("(%p, %u)\n", image, type);
3539
3540 rotate_90 = type&1;
3541 flip_x = (type&6) == 2 || (type&6) == 4;
3542 flip_y = (type&3) == 1 || (type&3) == 2;
3543
3544 if (image->type != ImageTypeBitmap)
3545 {
3546 FIXME("Not implemented for type %i\n", image->type);
3547 return NotImplemented;
3548 }
3549
3550 bitmap = (GpBitmap*)image;
3551 bpp = PIXELFORMATBPP(bitmap->format);
3552
3553 if (bpp < 8)
3554 {
3555 FIXME("Not implemented for %i bit images\n", bpp);
3556 return NotImplemented;
3557 }
3558
3559 if (rotate_90)
3560 {
3561 width = bitmap->height;
3562 height = bitmap->width;
3563 }
3564 else
3565 {
3566 width = bitmap->width;
3567 height = bitmap->height;
3568 }
3569
3570 bytesperpixel = bpp/8;
3571
3572 stat = GdipCreateBitmapFromScan0(width, height, 0, bitmap->format, NULL, &new_bitmap);
3573
3574 if (stat != Ok)
3575 return stat;
3576
3577 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, &src_lock);
3578
3579 if (stat == Ok)
3580 {
3581 stat = GdipBitmapLockBits(new_bitmap, NULL, ImageLockModeWrite, bitmap->format, &dst_lock);
3582
3583 if (stat == Ok)
3584 {
3585 LPBYTE src_row, src_pixel;
3586 LPBYTE dst_row, dst_pixel;
3587
3588 src_origin = src_lock.Scan0;
3589 if (flip_x) src_origin += bytesperpixel * (bitmap->width - 1);
3590 if (flip_y) src_origin += src_lock.Stride * (bitmap->height - 1);
3591
3592 if (rotate_90)
3593 {
3594 if (flip_y) src_x_offset = -src_lock.Stride;
3595 else src_x_offset = src_lock.Stride;
3596 if (flip_x) src_y_offset = -bytesperpixel;
3597 else src_y_offset = bytesperpixel;
3598 }
3599 else
3600 {
3601 if (flip_x) src_x_offset = -bytesperpixel;
3602 else src_x_offset = bytesperpixel;
3603 if (flip_y) src_y_offset = -src_lock.Stride;
3604 else src_y_offset = src_lock.Stride;
3605 }
3606
3607 src_row = src_origin;
3608 dst_row = dst_lock.Scan0;
3609 for (y=0; y<height; y++)
3610 {
3611 src_pixel = src_row;
3612 dst_pixel = dst_row;
3613 for (x=0; x<width; x++)
3614 {
3615 /* FIXME: This could probably be faster without memcpy. */
3616 memcpy(dst_pixel, src_pixel, bytesperpixel);
3617 dst_pixel += bytesperpixel;
3618 src_pixel += src_x_offset;
3619 }
3620 src_row += src_y_offset;
3621 dst_row += dst_lock.Stride;
3622 }
3623
3624 GdipBitmapUnlockBits(new_bitmap, &dst_lock);
3625 }
3626
3627 GdipBitmapUnlockBits(bitmap, &src_lock);
3628 }
3629
3630 if (stat == Ok)
3631 move_bitmap(bitmap, new_bitmap, FALSE);
3632 else
3633 GdipDisposeImage((GpImage*)new_bitmap);
3634
3635 return stat;
3636 }
Maarten's multimedia branch