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mshtml: Update Portuguese translation.
[wine/multimedia.git] / dlls / gdiplus / image.c
blobe17edde0f8dee5003ec92ee41d6f1bd2e5b123c5
1 /*
2 * Copyright (C) 2007 Google (Evan Stade)
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include <stdarg.h>
20
21 #define NONAMELESSUNION
22
23 #include "windef.h"
24 #include "winbase.h"
25 #include "winuser.h"
26 #include "wingdi.h"
27
28 #define COBJMACROS
29 #include "objbase.h"
30 #include "olectl.h"
31 #include "ole2.h"
32
33 #include "initguid.h"
34 #include "wincodec.h"
35 #include "gdiplus.h"
36 #include "gdiplus_private.h"
37 #include "wine/debug.h"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
40
41 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
42
43 static INT ipicture_pixel_height(IPicture *pic)
44 {
45 HDC hdcref;
46 OLE_YSIZE_HIMETRIC y;
47
48 IPicture_get_Height(pic, &y);
49
50 hdcref = GetDC(0);
51
52 y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC);
53 ReleaseDC(0, hdcref);
54
55 return y;
56 }
57
58 static INT ipicture_pixel_width(IPicture *pic)
59 {
60 HDC hdcref;
61 OLE_XSIZE_HIMETRIC x;
62
63 IPicture_get_Width(pic, &x);
64
65 hdcref = GetDC(0);
66
67 x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC);
68
69 ReleaseDC(0, hdcref);
70
71 return x;
72 }
73
74 GpStatus WINGDIPAPI GdipBitmapApplyEffect(GpBitmap* bitmap, CGpEffect* effect,
75 RECT* roi, BOOL useAuxData, VOID** auxData, INT* auxDataSize)
76 {
77 FIXME("(%p %p %p %d %p %p): stub\n", bitmap, effect, roi, useAuxData, auxData, auxDataSize);
78 /*
79 * Note: According to Jose Roca's GDI+ docs, this function is not
80 * implemented in Windows's GDI+.
81 */
82 return NotImplemented;
83 }
84
85 GpStatus WINGDIPAPI GdipBitmapCreateApplyEffect(GpBitmap** inputBitmaps,
86 INT numInputs, CGpEffect* effect, RECT* roi, RECT* outputRect,
87 GpBitmap** outputBitmap, BOOL useAuxData, VOID** auxData, INT* auxDataSize)
88 {
89 FIXME("(%p %d %p %p %p %p %d %p %p): stub\n", inputBitmaps, numInputs, effect, roi, outputRect, outputBitmap, useAuxData, auxData, auxDataSize);
90 /*
91 * Note: According to Jose Roca's GDI+ docs, this function is not
92 * implemented in Windows's GDI+.
93 */
94 return NotImplemented;
95 }
96
97 static inline void getpixel_1bppIndexed(BYTE *index, const BYTE *row, UINT x)
98 {
99 *index = (row[x/8]>>(7-x%8)) & 1;
100 }
101
102 static inline void getpixel_4bppIndexed(BYTE *index, const BYTE *row, UINT x)
103 {
104 if (x & 1)
105 *index = row[x/2]&0xf;
106 else
107 *index = row[x/2]>>4;
108 }
109
110 static inline void getpixel_8bppIndexed(BYTE *index, const BYTE *row, UINT x)
111 {
112 *index = row[x];
113 }
114
115 static inline void getpixel_16bppGrayScale(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
116 const BYTE *row, UINT x)
117 {
118 *r = *g = *b = row[x*2+1];
119 *a = 255;
120 }
121
122 static inline void getpixel_16bppRGB555(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
123 const BYTE *row, UINT x)
124 {
125 WORD pixel = *((const WORD*)(row)+x);
126 *r = (pixel>>7&0xf8)|(pixel>>12&0x7);
127 *g = (pixel>>2&0xf8)|(pixel>>6&0x7);
128 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
129 *a = 255;
130 }
131
132 static inline void getpixel_16bppRGB565(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
133 const BYTE *row, UINT x)
134 {
135 WORD pixel = *((const WORD*)(row)+x);
136 *r = (pixel>>8&0xf8)|(pixel>>13&0x7);
137 *g = (pixel>>3&0xfc)|(pixel>>9&0x3);
138 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
139 *a = 255;
140 }
141
142 static inline void getpixel_16bppARGB1555(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
143 const BYTE *row, UINT x)
144 {
145 WORD pixel = *((const WORD*)(row)+x);
146 *r = (pixel>>7&0xf8)|(pixel>>12&0x7);
147 *g = (pixel>>2&0xf8)|(pixel>>6&0x7);
148 *b = (pixel<<3&0xf8)|(pixel>>2&0x7);
149 if ((pixel&0x8000) == 0x8000)
150 *a = 255;
151 else
152 *a = 0;
153 }
154
155 static inline void getpixel_24bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
156 const BYTE *row, UINT x)
157 {
158 *r = row[x*3+2];
159 *g = row[x*3+1];
160 *b = row[x*3];
161 *a = 255;
162 }
163
164 static inline void getpixel_32bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
165 const BYTE *row, UINT x)
166 {
167 *r = row[x*4+2];
168 *g = row[x*4+1];
169 *b = row[x*4];
170 *a = 255;
171 }
172
173 static inline void getpixel_32bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
174 const BYTE *row, UINT x)
175 {
176 *r = row[x*4+2];
177 *g = row[x*4+1];
178 *b = row[x*4];
179 *a = row[x*4+3];
180 }
181
182 static inline void getpixel_32bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
183 const BYTE *row, UINT x)
184 {
185 *a = row[x*4+3];
186 if (*a == 0)
187 *r = *g = *b = 0;
188 else
189 {
190 *r = row[x*4+2] * 255 / *a;
191 *g = row[x*4+1] * 255 / *a;
192 *b = row[x*4] * 255 / *a;
193 }
194 }
195
196 static inline void getpixel_48bppRGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
197 const BYTE *row, UINT x)
198 {
199 *r = row[x*6+5];
200 *g = row[x*6+3];
201 *b = row[x*6+1];
202 *a = 255;
203 }
204
205 static inline void getpixel_64bppARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
206 const BYTE *row, UINT x)
207 {
208 *r = row[x*8+5];
209 *g = row[x*8+3];
210 *b = row[x*8+1];
211 *a = row[x*8+7];
212 }
213
214 static inline void getpixel_64bppPARGB(BYTE *r, BYTE *g, BYTE *b, BYTE *a,
215 const BYTE *row, UINT x)
216 {
217 *a = row[x*8+7];
218 if (*a == 0)
219 *r = *g = *b = 0;
220 else
221 {
222 *r = row[x*8+5] * 255 / *a;
223 *g = row[x*8+3] * 255 / *a;
224 *b = row[x*8+1] * 255 / *a;
225 }
226 }
227
228 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
229 ARGB *color)
230 {
231 BYTE r, g, b, a;
232 BYTE index;
233 BYTE *row;
234 TRACE("%p %d %d %p\n", bitmap, x, y, color);
235
236 if(!bitmap || !color ||
237 x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
238 return InvalidParameter;
239
240 row = bitmap->bits+bitmap->stride*y;
241
242 switch (bitmap->format)
243 {
244 case PixelFormat1bppIndexed:
245 getpixel_1bppIndexed(&index,row,x);
246 break;
247 case PixelFormat4bppIndexed:
248 getpixel_4bppIndexed(&index,row,x);
249 break;
250 case PixelFormat8bppIndexed:
251 getpixel_8bppIndexed(&index,row,x);
252 break;
253 case PixelFormat16bppGrayScale:
254 getpixel_16bppGrayScale(&r,&g,&b,&a,row,x);
255 break;
256 case PixelFormat16bppRGB555:
257 getpixel_16bppRGB555(&r,&g,&b,&a,row,x);
258 break;
259 case PixelFormat16bppRGB565:
260 getpixel_16bppRGB565(&r,&g,&b,&a,row,x);
261 break;
262 case PixelFormat16bppARGB1555:
263 getpixel_16bppARGB1555(&r,&g,&b,&a,row,x);
264 break;
265 case PixelFormat24bppRGB:
266 getpixel_24bppRGB(&r,&g,&b,&a,row,x);
267 break;
268 case PixelFormat32bppRGB:
269 getpixel_32bppRGB(&r,&g,&b,&a,row,x);
270 break;
271 case PixelFormat32bppARGB:
272 getpixel_32bppARGB(&r,&g,&b,&a,row,x);
273 break;
274 case PixelFormat32bppPARGB:
275 getpixel_32bppPARGB(&r,&g,&b,&a,row,x);
276 break;
277 case PixelFormat48bppRGB:
278 getpixel_48bppRGB(&r,&g,&b,&a,row,x);
279 break;
280 case PixelFormat64bppARGB:
281 getpixel_64bppARGB(&r,&g,&b,&a,row,x);
282 break;
283 case PixelFormat64bppPARGB:
284 getpixel_64bppPARGB(&r,&g,&b,&a,row,x);
285 break;
286 default:
287 FIXME("not implemented for format 0x%x\n", bitmap->format);
288 return NotImplemented;
289 }
290
291 if (bitmap->format & PixelFormatIndexed)
292 *color = bitmap->image.palette_entries[index];
293 else
294 *color = a<<24|r<<16|g<<8|b;
295
296 return Ok;
297 }
298
299 static inline void setpixel_16bppGrayScale(BYTE r, BYTE g, BYTE b, BYTE a,
300 BYTE *row, UINT x)
301 {
302 *((WORD*)(row)+x) = (r+g+b)*85;
303 }
304
305 static inline void setpixel_16bppRGB555(BYTE r, BYTE g, BYTE b, BYTE a,
306 BYTE *row, UINT x)
307 {
308 *((WORD*)(row)+x) = (r<<7&0x7c00)|
309 (g<<2&0x03e0)|
310 (b>>3&0x001f);
311 }
312
313 static inline void setpixel_16bppRGB565(BYTE r, BYTE g, BYTE b, BYTE a,
314 BYTE *row, UINT x)
315 {
316 *((WORD*)(row)+x) = (r<<8&0xf800)|
317 (g<<3&0x07e0)|
318 (b>>3&0x001f);
319 }
320
321 static inline void setpixel_16bppARGB1555(BYTE r, BYTE g, BYTE b, BYTE a,
322 BYTE *row, UINT x)
323 {
324 *((WORD*)(row)+x) = (a<<8&0x8000)|
325 (r<<7&0x7c00)|
326 (g<<2&0x03e0)|
327 (b>>3&0x001f);
328 }
329
330 static inline void setpixel_24bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
331 BYTE *row, UINT x)
332 {
333 row[x*3+2] = r;
334 row[x*3+1] = g;
335 row[x*3] = b;
336 }
337
338 static inline void setpixel_32bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
339 BYTE *row, UINT x)
340 {
341 *((DWORD*)(row)+x) = (r<<16)|(g<<8)|b;
342 }
343
344 static inline void setpixel_32bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
345 BYTE *row, UINT x)
346 {
347 *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
348 }
349
350 static inline void setpixel_32bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
351 BYTE *row, UINT x)
352 {
353 r = r * a / 255;
354 g = g * a / 255;
355 b = b * a / 255;
356 *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
357 }
358
359 static inline void setpixel_48bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
360 BYTE *row, UINT x)
361 {
362 row[x*6+5] = row[x*6+4] = r;
363 row[x*6+3] = row[x*6+2] = g;
364 row[x*6+1] = row[x*6] = b;
365 }
366
367 static inline void setpixel_64bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
368 BYTE *row, UINT x)
369 {
370 UINT64 a64=a, r64=r, g64=g, b64=b;
371 *((UINT64*)(row)+x) = (a64<<56)|(a64<<48)|(r64<<40)|(r64<<32)|(g64<<24)|(g64<<16)|(b64<<8)|b64;
372 }
373
374 static inline void setpixel_64bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
375 BYTE *row, UINT x)
376 {
377 UINT64 a64, r64, g64, b64;
378 a64 = a * 257;
379 r64 = r * a / 255;
380 g64 = g * a / 255;
381 b64 = b * a / 255;
382 *((UINT64*)(row)+x) = (a64<<48)|(r64<<32)|(g64<<16)|b64;
383 }
384
385 GpStatus WINGDIPAPI GdipBitmapSetPixel(GpBitmap* bitmap, INT x, INT y,
386 ARGB color)
387 {
388 BYTE a, r, g, b;
389 BYTE *row;
390 TRACE("bitmap:%p, x:%d, y:%d, color:%08x\n", bitmap, x, y, color);
391
392 if(!bitmap || x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
393 return InvalidParameter;
394
395 a = color>>24;
396 r = color>>16;
397 g = color>>8;
398 b = color;
399
400 row = bitmap->bits + bitmap->stride * y;
401
402 switch (bitmap->format)
403 {
404 case PixelFormat16bppGrayScale:
405 setpixel_16bppGrayScale(r,g,b,a,row,x);
406 break;
407 case PixelFormat16bppRGB555:
408 setpixel_16bppRGB555(r,g,b,a,row,x);
409 break;
410 case PixelFormat16bppRGB565:
411 setpixel_16bppRGB565(r,g,b,a,row,x);
412 break;
413 case PixelFormat16bppARGB1555:
414 setpixel_16bppARGB1555(r,g,b,a,row,x);
415 break;
416 case PixelFormat24bppRGB:
417 setpixel_24bppRGB(r,g,b,a,row,x);
418 break;
419 case PixelFormat32bppRGB:
420 setpixel_32bppRGB(r,g,b,a,row,x);
421 break;
422 case PixelFormat32bppARGB:
423 setpixel_32bppARGB(r,g,b,a,row,x);
424 break;
425 case PixelFormat32bppPARGB:
426 setpixel_32bppPARGB(r,g,b,a,row,x);
427 break;
428 case PixelFormat48bppRGB:
429 setpixel_48bppRGB(r,g,b,a,row,x);
430 break;
431 case PixelFormat64bppARGB:
432 setpixel_64bppARGB(r,g,b,a,row,x);
433 break;
434 case PixelFormat64bppPARGB:
435 setpixel_64bppPARGB(r,g,b,a,row,x);
436 break;
437 default:
438 FIXME("not implemented for format 0x%x\n", bitmap->format);
439 return NotImplemented;
440 }
441
442 return Ok;
443 }
444
445 GpStatus convert_pixels(UINT width, UINT height,
446 INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
447 INT src_stride, const BYTE *src_bits, PixelFormat src_format, ARGB *src_palette)
448 {
449 UINT x, y;
450
451 if (src_format == dst_format ||
452 (dst_format == PixelFormat32bppRGB && PIXELFORMATBPP(src_format) == 32))
453 {
454 UINT widthbytes = PIXELFORMATBPP(src_format) * width / 8;
455 for (y=0; y<height; y++)
456 memcpy(dst_bits+dst_stride*y, src_bits+src_stride*y, widthbytes);
457 return Ok;
458 }
459
460 #define convert_indexed_to_rgb(getpixel_function, setpixel_function) do { \
461 for (x=0; x<width; x++) \
462 for (y=0; y<height; y++) { \
463 BYTE index; \
464 BYTE *color; \
465 getpixel_function(&index, src_bits+src_stride*y, x); \
466 color = (BYTE*)(&src_palette[index]); \
467 setpixel_function(color[2], color[1], color[0], color[3], dst_bits+dst_stride*y, x); \
468 } \
469 return Ok; \
470 } while (0);
471
472 #define convert_rgb_to_rgb(getpixel_function, setpixel_function) do { \
473 for (x=0; x<width; x++) \
474 for (y=0; y<height; y++) { \
475 BYTE r, g, b, a; \
476 getpixel_function(&r, &g, &b, &a, src_bits+src_stride*y, x); \
477 setpixel_function(r, g, b, a, dst_bits+dst_stride*y, x); \
478 } \
479 return Ok; \
480 } while (0);
481
482 switch (src_format)
483 {
484 case PixelFormat1bppIndexed:
485 switch (dst_format)
486 {
487 case PixelFormat16bppGrayScale:
488 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppGrayScale);
489 case PixelFormat16bppRGB555:
490 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB555);
491 case PixelFormat16bppRGB565:
492 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB565);
493 case PixelFormat16bppARGB1555:
494 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppARGB1555);
495 case PixelFormat24bppRGB:
496 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_24bppRGB);
497 case PixelFormat32bppRGB:
498 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppRGB);
499 case PixelFormat32bppARGB:
500 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppARGB);
501 case PixelFormat32bppPARGB:
502 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppPARGB);
503 case PixelFormat48bppRGB:
504 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_48bppRGB);
505 case PixelFormat64bppARGB:
506 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_64bppARGB);
507 default:
508 break;
509 }
510 break;
511 case PixelFormat4bppIndexed:
512 switch (dst_format)
513 {
514 case PixelFormat16bppGrayScale:
515 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppGrayScale);
516 case PixelFormat16bppRGB555:
517 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB555);
518 case PixelFormat16bppRGB565:
519 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB565);
520 case PixelFormat16bppARGB1555:
521 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppARGB1555);
522 case PixelFormat24bppRGB:
523 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_24bppRGB);
524 case PixelFormat32bppRGB:
525 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppRGB);
526 case PixelFormat32bppARGB:
527 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppARGB);
528 case PixelFormat32bppPARGB:
529 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppPARGB);
530 case PixelFormat48bppRGB:
531 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_48bppRGB);
532 case PixelFormat64bppARGB:
533 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_64bppARGB);
534 default:
535 break;
536 }
537 break;
538 case PixelFormat8bppIndexed:
539 switch (dst_format)
540 {
541 case PixelFormat16bppGrayScale:
542 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppGrayScale);
543 case PixelFormat16bppRGB555:
544 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB555);
545 case PixelFormat16bppRGB565:
546 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB565);
547 case PixelFormat16bppARGB1555:
548 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppARGB1555);
549 case PixelFormat24bppRGB:
550 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_24bppRGB);
551 case PixelFormat32bppRGB:
552 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppRGB);
553 case PixelFormat32bppARGB:
554 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppARGB);
555 case PixelFormat32bppPARGB:
556 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppPARGB);
557 case PixelFormat48bppRGB:
558 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_48bppRGB);
559 case PixelFormat64bppARGB:
560 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_64bppARGB);
561 default:
562 break;
563 }
564 break;
565 case PixelFormat16bppGrayScale:
566 switch (dst_format)
567 {
568 case PixelFormat16bppRGB555:
569 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB555);
570 case PixelFormat16bppRGB565:
571 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB565);
572 case PixelFormat16bppARGB1555:
573 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppARGB1555);
574 case PixelFormat24bppRGB:
575 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_24bppRGB);
576 case PixelFormat32bppRGB:
577 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppRGB);
578 case PixelFormat32bppARGB:
579 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppARGB);
580 case PixelFormat32bppPARGB:
581 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppPARGB);
582 case PixelFormat48bppRGB:
583 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_48bppRGB);
584 case PixelFormat64bppARGB:
585 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_64bppARGB);
586 default:
587 break;
588 }
589 break;
590 case PixelFormat16bppRGB555:
591 switch (dst_format)
592 {
593 case PixelFormat16bppGrayScale:
594 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppGrayScale);
595 case PixelFormat16bppRGB565:
596 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppRGB565);
597 case PixelFormat16bppARGB1555:
598 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppARGB1555);
599 case PixelFormat24bppRGB:
600 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_24bppRGB);
601 case PixelFormat32bppRGB:
602 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppRGB);
603 case PixelFormat32bppARGB:
604 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppARGB);
605 case PixelFormat32bppPARGB:
606 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppPARGB);
607 case PixelFormat48bppRGB:
608 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_48bppRGB);
609 case PixelFormat64bppARGB:
610 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_64bppARGB);
611 default:
612 break;
613 }
614 break;
615 case PixelFormat16bppRGB565:
616 switch (dst_format)
617 {
618 case PixelFormat16bppGrayScale:
619 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppGrayScale);
620 case PixelFormat16bppRGB555:
621 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppRGB555);
622 case PixelFormat16bppARGB1555:
623 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppARGB1555);
624 case PixelFormat24bppRGB:
625 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_24bppRGB);
626 case PixelFormat32bppRGB:
627 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppRGB);
628 case PixelFormat32bppARGB:
629 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppARGB);
630 case PixelFormat32bppPARGB:
631 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppPARGB);
632 case PixelFormat48bppRGB:
633 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_48bppRGB);
634 case PixelFormat64bppARGB:
635 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_64bppARGB);
636 default:
637 break;
638 }
639 break;
640 case PixelFormat16bppARGB1555:
641 switch (dst_format)
642 {
643 case PixelFormat16bppGrayScale:
644 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppGrayScale);
645 case PixelFormat16bppRGB555:
646 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB555);
647 case PixelFormat16bppRGB565:
648 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB565);
649 case PixelFormat24bppRGB:
650 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_24bppRGB);
651 case PixelFormat32bppRGB:
652 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppRGB);
653 case PixelFormat32bppARGB:
654 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppARGB);
655 case PixelFormat32bppPARGB:
656 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppPARGB);
657 case PixelFormat48bppRGB:
658 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_48bppRGB);
659 case PixelFormat64bppARGB:
660 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_64bppARGB);
661 default:
662 break;
663 }
664 break;
665 case PixelFormat24bppRGB:
666 switch (dst_format)
667 {
668 case PixelFormat16bppGrayScale:
669 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppGrayScale);
670 case PixelFormat16bppRGB555:
671 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB555);
672 case PixelFormat16bppRGB565:
673 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB565);
674 case PixelFormat16bppARGB1555:
675 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppARGB1555);
676 case PixelFormat32bppRGB:
677 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppRGB);
678 case PixelFormat32bppARGB:
679 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppARGB);
680 case PixelFormat32bppPARGB:
681 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppPARGB);
682 case PixelFormat48bppRGB:
683 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_48bppRGB);
684 case PixelFormat64bppARGB:
685 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_64bppARGB);
686 default:
687 break;
688 }
689 break;
690 case PixelFormat32bppRGB:
691 switch (dst_format)
692 {
693 case PixelFormat16bppGrayScale:
694 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppGrayScale);
695 case PixelFormat16bppRGB555:
696 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB555);
697 case PixelFormat16bppRGB565:
698 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB565);
699 case PixelFormat16bppARGB1555:
700 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppARGB1555);
701 case PixelFormat24bppRGB:
702 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_24bppRGB);
703 case PixelFormat32bppARGB:
704 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppARGB);
705 case PixelFormat32bppPARGB:
706 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppPARGB);
707 case PixelFormat48bppRGB:
708 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_48bppRGB);
709 case PixelFormat64bppARGB:
710 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_64bppARGB);
711 default:
712 break;
713 }
714 break;
715 case PixelFormat32bppARGB:
716 switch (dst_format)
717 {
718 case PixelFormat16bppGrayScale:
719 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppGrayScale);
720 case PixelFormat16bppRGB555:
721 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB555);
722 case PixelFormat16bppRGB565:
723 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB565);
724 case PixelFormat16bppARGB1555:
725 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppARGB1555);
726 case PixelFormat24bppRGB:
727 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_24bppRGB);
728 case PixelFormat32bppPARGB:
729 convert_32bppARGB_to_32bppPARGB(width, height, dst_bits, dst_stride, src_bits, src_stride);
730 return Ok;
731 case PixelFormat48bppRGB:
732 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_48bppRGB);
733 case PixelFormat64bppARGB:
734 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_64bppARGB);
735 default:
736 break;
737 }
738 break;
739 case PixelFormat32bppPARGB:
740 switch (dst_format)
741 {
742 case PixelFormat16bppGrayScale:
743 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppGrayScale);
744 case PixelFormat16bppRGB555:
745 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB555);
746 case PixelFormat16bppRGB565:
747 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB565);
748 case PixelFormat16bppARGB1555:
749 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppARGB1555);
750 case PixelFormat24bppRGB:
751 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_24bppRGB);
752 case PixelFormat32bppRGB:
753 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppRGB);
754 case PixelFormat32bppARGB:
755 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppARGB);
756 case PixelFormat48bppRGB:
757 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_48bppRGB);
758 case PixelFormat64bppARGB:
759 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_64bppARGB);
760 default:
761 break;
762 }
763 break;
764 case PixelFormat48bppRGB:
765 switch (dst_format)
766 {
767 case PixelFormat16bppGrayScale:
768 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppGrayScale);
769 case PixelFormat16bppRGB555:
770 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB555);
771 case PixelFormat16bppRGB565:
772 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB565);
773 case PixelFormat16bppARGB1555:
774 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppARGB1555);
775 case PixelFormat24bppRGB:
776 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_24bppRGB);
777 case PixelFormat32bppRGB:
778 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppRGB);
779 case PixelFormat32bppARGB:
780 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppARGB);
781 case PixelFormat32bppPARGB:
782 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppPARGB);
783 case PixelFormat64bppARGB:
784 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_64bppARGB);
785 default:
786 break;
787 }
788 break;
789 case PixelFormat64bppARGB:
790 switch (dst_format)
791 {
792 case PixelFormat16bppGrayScale:
793 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppGrayScale);
794 case PixelFormat16bppRGB555:
795 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB555);
796 case PixelFormat16bppRGB565:
797 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB565);
798 case PixelFormat16bppARGB1555:
799 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppARGB1555);
800 case PixelFormat24bppRGB:
801 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_24bppRGB);
802 case PixelFormat32bppRGB:
803 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppRGB);
804 case PixelFormat32bppARGB:
805 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppARGB);
806 case PixelFormat32bppPARGB:
807 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppPARGB);
808 case PixelFormat48bppRGB:
809 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_48bppRGB);
810 default:
811 break;
812 }
813 break;
814 case PixelFormat64bppPARGB:
815 switch (dst_format)
816 {
817 case PixelFormat16bppGrayScale:
818 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppGrayScale);
819 case PixelFormat16bppRGB555:
820 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB555);
821 case PixelFormat16bppRGB565:
822 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB565);
823 case PixelFormat16bppARGB1555:
824 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppARGB1555);
825 case PixelFormat24bppRGB:
826 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_24bppRGB);
827 case PixelFormat32bppRGB:
828 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppRGB);
829 case PixelFormat32bppARGB:
830 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppARGB);
831 case PixelFormat32bppPARGB:
832 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppPARGB);
833 case PixelFormat48bppRGB:
834 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_48bppRGB);
835 case PixelFormat64bppARGB:
836 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_64bppARGB);
837 default:
838 break;
839 }
840 break;
841 default:
842 break;
843 }
844
845 #undef convert_indexed_to_rgb
846 #undef convert_rgb_to_rgb
847
848 return NotImplemented;
849 }
850
851 /* This function returns a pointer to an array of pixels that represents the
852 * bitmap. The *entire* bitmap is locked according to the lock mode specified by
853 * flags. It is correct behavior that a user who calls this function with write
854 * privileges can write to the whole bitmap (not just the area in rect).
855 *
856 * FIXME: only used portion of format is bits per pixel. */
857 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
858 UINT flags, PixelFormat format, BitmapData* lockeddata)
859 {
860 INT stride, bitspp = PIXELFORMATBPP(format);
861 BYTE *buff = NULL;
862 UINT abs_height;
863 GpRect act_rect; /* actual rect to be used */
864 GpStatus stat;
865
866 TRACE("%p %p %d 0x%x %p\n", bitmap, rect, flags, format, lockeddata);
867
868 if(!lockeddata || !bitmap)
869 return InvalidParameter;
870
871 if(rect){
872 if(rect->X < 0 || rect->Y < 0 || (rect->X + rect->Width > bitmap->width) ||
873 (rect->Y + rect->Height > bitmap->height) || !flags)
874 return InvalidParameter;
875
876 act_rect = *rect;
877 }
878 else{
879 act_rect.X = act_rect.Y = 0;
880 act_rect.Width = bitmap->width;
881 act_rect.Height = bitmap->height;
882 }
883
884 if(flags & ImageLockModeUserInputBuf)
885 {
886 static int fixme=0;
887 if (!fixme++) FIXME("ImageLockModeUserInputBuf not implemented\n");
888 return NotImplemented;
889 }
890
891 if(bitmap->lockmode)
892 {
893 WARN("bitmap is already locked and cannot be locked again\n");
894 return WrongState;
895 }
896
897 if (bitmap->bits && bitmap->format == format)
898 {
899 /* no conversion is necessary; just use the bits directly */
900 lockeddata->Width = act_rect.Width;
901 lockeddata->Height = act_rect.Height;
902 lockeddata->PixelFormat = format;
903 lockeddata->Reserved = flags;
904 lockeddata->Stride = bitmap->stride;
905 lockeddata->Scan0 = bitmap->bits + (bitspp / 8) * act_rect.X +
906 bitmap->stride * act_rect.Y;
907
908 bitmap->lockmode = flags;
909 bitmap->numlocks++;
910
911 return Ok;
912 }
913
914 /* Make sure we can convert to the requested format. */
915 stat = convert_pixels(0, 0, 0, NULL, format, 0, NULL, bitmap->format, NULL);
916 if (stat == NotImplemented)
917 {
918 FIXME("cannot read bitmap from %x to %x\n", bitmap->format, format);
919 return NotImplemented;
920 }
921
922 /* If we're opening for writing, make sure we'll be able to write back in
923 * the original format. */
924 if (flags & ImageLockModeWrite)
925 {
926 stat = convert_pixels(0, 0, 0, NULL, bitmap->format, 0, NULL, format, NULL);
927 if (stat == NotImplemented)
928 {
929 FIXME("cannot write bitmap from %x to %x\n", format, bitmap->format);
930 return NotImplemented;
931 }
932 }
933
934 abs_height = bitmap->height;
935 stride = (bitmap->width * bitspp + 7) / 8;
936 stride = (stride + 3) & ~3;
937
938 buff = GdipAlloc(stride * abs_height);
939
940 if (!buff) return OutOfMemory;
941
942 stat = convert_pixels(bitmap->width, bitmap->height,
943 stride, buff, format,
944 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
945
946 if (stat != Ok)
947 {
948 GdipFree(buff);
949 return stat;
950 }
951
952 lockeddata->Width = act_rect.Width;
953 lockeddata->Height = act_rect.Height;
954 lockeddata->PixelFormat = format;
955 lockeddata->Reserved = flags;
956 lockeddata->Stride = stride;
957 lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
958
959 bitmap->lockmode = flags;
960 bitmap->numlocks++;
961 bitmap->bitmapbits = buff;
962
963 return Ok;
964 }
965
966 GpStatus WINGDIPAPI GdipBitmapSetResolution(GpBitmap* bitmap, REAL xdpi, REAL ydpi)
967 {
968 TRACE("(%p, %.2f, %.2f)\n", bitmap, xdpi, ydpi);
969
970 if (!bitmap || xdpi == 0.0 || ydpi == 0.0)
971 return InvalidParameter;
972
973 bitmap->image.xres = xdpi;
974 bitmap->image.yres = ydpi;
975
976 return Ok;
977 }
978
979 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
980 BitmapData* lockeddata)
981 {
982 GpStatus stat;
983
984 TRACE("(%p,%p)\n", bitmap, lockeddata);
985
986 if(!bitmap || !lockeddata)
987 return InvalidParameter;
988
989 if(!bitmap->lockmode)
990 return WrongState;
991
992 if(lockeddata->Reserved & ImageLockModeUserInputBuf)
993 return NotImplemented;
994
995 if(lockeddata->Reserved & ImageLockModeRead){
996 if(!(--bitmap->numlocks))
997 bitmap->lockmode = 0;
998
999 GdipFree(bitmap->bitmapbits);
1000 bitmap->bitmapbits = NULL;
1001 return Ok;
1002 }
1003
1004 if (!bitmap->bitmapbits)
1005 {
1006 /* we passed a direct reference; no need to do anything */
1007 bitmap->lockmode = 0;
1008 bitmap->numlocks = 0;
1009 return Ok;
1010 }
1011
1012 stat = convert_pixels(bitmap->width, bitmap->height,
1013 bitmap->stride, bitmap->bits, bitmap->format,
1014 lockeddata->Stride, bitmap->bitmapbits, lockeddata->PixelFormat, NULL);
1015
1016 if (stat != Ok)
1017 {
1018 ERR("failed to convert pixels; this should never happen\n");
1019 }
1020
1021 GdipFree(bitmap->bitmapbits);
1022 bitmap->bitmapbits = NULL;
1023 bitmap->lockmode = 0;
1024 bitmap->numlocks = 0;
1025
1026 return stat;
1027 }
1028
1029 GpStatus WINGDIPAPI GdipCloneBitmapArea(REAL x, REAL y, REAL width, REAL height,
1030 PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
1031 {
1032 BitmapData lockeddata_src, lockeddata_dst;
1033 int i;
1034 UINT row_size;
1035 Rect area;
1036 GpStatus stat;
1037
1038 TRACE("(%f,%f,%f,%f,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
1039
1040 if (!srcBitmap || !dstBitmap || srcBitmap->image.type != ImageTypeBitmap ||
1041 x < 0 || y < 0 ||
1042 x + width > srcBitmap->width || y + height > srcBitmap->height)
1043 {
1044 TRACE("<-- InvalidParameter\n");
1045 return InvalidParameter;
1046 }
1047
1048 if (format == PixelFormatDontCare)
1049 format = srcBitmap->format;
1050
1051 area.X = roundr(x);
1052 area.Y = roundr(y);
1053 area.Width = roundr(width);
1054 area.Height = roundr(height);
1055
1056 stat = GdipBitmapLockBits(srcBitmap, &area, ImageLockModeRead, format,
1057 &lockeddata_src);
1058 if (stat != Ok) return stat;
1059
1060 stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
1061 0, lockeddata_src.PixelFormat, NULL, dstBitmap);
1062 if (stat == Ok)
1063 {
1064 stat = GdipBitmapLockBits(*dstBitmap, NULL, ImageLockModeWrite,
1065 lockeddata_src.PixelFormat, &lockeddata_dst);
1066
1067 if (stat == Ok)
1068 {
1069 /* copy the image data */
1070 row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
1071 for (i=0; i<lockeddata_src.Height; i++)
1072 memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
1073 (BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
1074 row_size);
1075
1076 GdipBitmapUnlockBits(*dstBitmap, &lockeddata_dst);
1077 }
1078
1079 if (stat != Ok)
1080 GdipDisposeImage((GpImage*)*dstBitmap);
1081 }
1082
1083 GdipBitmapUnlockBits(srcBitmap, &lockeddata_src);
1084
1085 if (stat != Ok)
1086 {
1087 *dstBitmap = NULL;
1088 }
1089
1090 return stat;
1091 }
1092
1093 GpStatus WINGDIPAPI GdipCloneBitmapAreaI(INT x, INT y, INT width, INT height,
1094 PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
1095 {
1096 TRACE("(%i,%i,%i,%i,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
1097
1098 return GdipCloneBitmapArea(x, y, width, height, format, srcBitmap, dstBitmap);
1099 }
1100
1101 GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
1102 {
1103 GpStatus stat = GenericError;
1104
1105 TRACE("%p, %p\n", image, cloneImage);
1106
1107 if (!image || !cloneImage)
1108 return InvalidParameter;
1109
1110 if (image->picture)
1111 {
1112 IStream* stream;
1113 HRESULT hr;
1114 INT size;
1115 LARGE_INTEGER move;
1116
1117 hr = CreateStreamOnHGlobal(0, TRUE, &stream);
1118 if (FAILED(hr))
1119 return GenericError;
1120
1121 hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
1122 if(FAILED(hr))
1123 {
1124 WARN("Failed to save image on stream\n");
1125 goto out;
1126 }
1127
1128 /* Set seek pointer back to the beginning of the picture */
1129 move.QuadPart = 0;
1130 hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL);
1131 if (FAILED(hr))
1132 goto out;
1133
1134 stat = GdipLoadImageFromStream(stream, cloneImage);
1135 if (stat != Ok) WARN("Failed to load image from stream\n");
1136
1137 out:
1138 IStream_Release(stream);
1139 return stat;
1140 }
1141 else if (image->type == ImageTypeBitmap)
1142 {
1143 GpBitmap *bitmap = (GpBitmap*)image;
1144 BitmapData lockeddata_src, lockeddata_dst;
1145 int i;
1146 UINT row_size;
1147
1148 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format,
1149 &lockeddata_src);
1150 if (stat != Ok) return stat;
1151
1152 stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
1153 0, lockeddata_src.PixelFormat, NULL, (GpBitmap**)cloneImage);
1154 if (stat == Ok)
1155 {
1156 stat = GdipBitmapLockBits((GpBitmap*)*cloneImage, NULL, ImageLockModeWrite,
1157 lockeddata_src.PixelFormat, &lockeddata_dst);
1158
1159 if (stat == Ok)
1160 {
1161 /* copy the image data */
1162 row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
1163 for (i=0; i<lockeddata_src.Height; i++)
1164 memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
1165 (BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
1166 row_size);
1167
1168 GdipBitmapUnlockBits((GpBitmap*)*cloneImage, &lockeddata_dst);
1169 }
1170
1171 if (stat != Ok)
1172 GdipDisposeImage(*cloneImage);
1173 }
1174
1175 GdipBitmapUnlockBits(bitmap, &lockeddata_src);
1176
1177 if (stat != Ok)
1178 {
1179 *cloneImage = NULL;
1180 }
1181 else memcpy(&(*cloneImage)->format, &image->format, sizeof(GUID));
1182
1183 return stat;
1184 }
1185 else
1186 {
1187 ERR("GpImage with no IPicture or bitmap?!\n");
1188 return NotImplemented;
1189 }
1190 }
1191
1192 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
1193 GpBitmap **bitmap)
1194 {
1195 GpStatus stat;
1196 IStream *stream;
1197
1198 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
1199
1200 if(!filename || !bitmap)
1201 return InvalidParameter;
1202
1203 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
1204
1205 if(stat != Ok)
1206 return stat;
1207
1208 stat = GdipCreateBitmapFromStream(stream, bitmap);
1209
1210 IStream_Release(stream);
1211
1212 return stat;
1213 }
1214
1215 GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
1216 VOID *bits, GpBitmap **bitmap)
1217 {
1218 DWORD height, stride;
1219 PixelFormat format;
1220
1221 FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
1222
1223 if (!info || !bits || !bitmap)
1224 return InvalidParameter;
1225
1226 height = abs(info->bmiHeader.biHeight);
1227 stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
1228
1229 if(info->bmiHeader.biHeight > 0) /* bottom-up */
1230 {
1231 bits = (BYTE*)bits + (height - 1) * stride;
1232 stride = -stride;
1233 }
1234
1235 switch(info->bmiHeader.biBitCount) {
1236 case 1:
1237 format = PixelFormat1bppIndexed;
1238 break;
1239 case 4:
1240 format = PixelFormat4bppIndexed;
1241 break;
1242 case 8:
1243 format = PixelFormat8bppIndexed;
1244 break;
1245 case 16:
1246 format = PixelFormat16bppRGB555;
1247 break;
1248 case 24:
1249 format = PixelFormat24bppRGB;
1250 break;
1251 case 32:
1252 format = PixelFormat32bppRGB;
1253 break;
1254 default:
1255 FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
1256 *bitmap = NULL;
1257 return InvalidParameter;
1258 }
1259
1260 return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
1261 bits, bitmap);
1262
1263 }
1264
1265 /* FIXME: no icm */
1266 GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
1267 GpBitmap **bitmap)
1268 {
1269 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
1270
1271 return GdipCreateBitmapFromFile(filename, bitmap);
1272 }
1273
1274 GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
1275 GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
1276 {
1277 HBITMAP hbm;
1278 GpStatus stat = InvalidParameter;
1279
1280 TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
1281
1282 if(!lpBitmapName || !bitmap)
1283 return InvalidParameter;
1284
1285 /* load DIB */
1286 hbm = LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0,
1287 LR_CREATEDIBSECTION);
1288
1289 if(hbm){
1290 stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
1291 DeleteObject(hbm);
1292 }
1293
1294 return stat;
1295 }
1296
1297 GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
1298 HBITMAP* hbmReturn, ARGB background)
1299 {
1300 GpStatus stat;
1301 HBITMAP result, oldbitmap;
1302 UINT width, height;
1303 HDC hdc;
1304 GpGraphics *graphics;
1305 BITMAPINFOHEADER bih;
1306 void *bits;
1307 TRACE("(%p,%p,%x)\n", bitmap, hbmReturn, background);
1308
1309 if (!bitmap || !hbmReturn) return InvalidParameter;
1310
1311 GdipGetImageWidth((GpImage*)bitmap, &width);
1312 GdipGetImageHeight((GpImage*)bitmap, &height);
1313
1314 bih.biSize = sizeof(bih);
1315 bih.biWidth = width;
1316 bih.biHeight = height;
1317 bih.biPlanes = 1;
1318 bih.biBitCount = 32;
1319 bih.biCompression = BI_RGB;
1320 bih.biSizeImage = 0;
1321 bih.biXPelsPerMeter = 0;
1322 bih.biYPelsPerMeter = 0;
1323 bih.biClrUsed = 0;
1324 bih.biClrImportant = 0;
1325
1326 hdc = CreateCompatibleDC(NULL);
1327 if (!hdc) return GenericError;
1328
1329 result = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS, &bits,
1330 NULL, 0);
1331
1332 if (result)
1333 {
1334 oldbitmap = SelectObject(hdc, result);
1335
1336 stat = GdipCreateFromHDC(hdc, &graphics);
1337 if (stat == Ok)
1338 {
1339 stat = GdipGraphicsClear(graphics, background);
1340
1341 if (stat == Ok)
1342 stat = GdipDrawImage(graphics, (GpImage*)bitmap, 0, 0);
1343
1344 GdipDeleteGraphics(graphics);
1345 }
1346
1347 SelectObject(hdc, oldbitmap);
1348 }
1349 else
1350 stat = GenericError;
1351
1352 DeleteDC(hdc);
1353
1354 if (stat != Ok && result)
1355 {
1356 DeleteObject(result);
1357 result = NULL;
1358 }
1359
1360 *hbmReturn = result;
1361
1362 return stat;
1363 }
1364
1365 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
1366 GpMetafile* metafile, BOOL* succ, EmfType emfType,
1367 const WCHAR* description, GpMetafile** out_metafile)
1368 {
1369 static int calls;
1370
1371 TRACE("(%p,%p,%p,%u,%s,%p)\n", ref, metafile, succ, emfType,
1372 debugstr_w(description), out_metafile);
1373
1374 if(!ref || !metafile || !out_metafile)
1375 return InvalidParameter;
1376
1377 *succ = FALSE;
1378 *out_metafile = NULL;
1379
1380 if(!(calls++))
1381 FIXME("not implemented\n");
1382
1383 return NotImplemented;
1384 }
1385
1386 /* FIXME: this should create a bitmap in the given size with the attributes
1387 * (resolution etc.) of the graphics object */
1388 GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
1389 GpGraphics* target, GpBitmap** bitmap)
1390 {
1391 static int calls;
1392 GpStatus ret;
1393
1394 TRACE("(%d, %d, %p, %p)\n", width, height, target, bitmap);
1395
1396 if(!target || !bitmap)
1397 return InvalidParameter;
1398
1399 if(!(calls++))
1400 FIXME("hacked stub\n");
1401
1402 ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
1403 NULL, bitmap);
1404
1405 return ret;
1406 }
1407
1408 GpStatus WINGDIPAPI GdipCreateBitmapFromHICON(HICON hicon, GpBitmap** bitmap)
1409 {
1410 GpStatus stat;
1411 ICONINFO iinfo;
1412 BITMAP bm;
1413 int ret;
1414 UINT width, height;
1415 GpRect rect;
1416 BitmapData lockeddata;
1417 HDC screendc;
1418 BOOL has_alpha;
1419 int x, y;
1420 BYTE *bits;
1421 BITMAPINFOHEADER bih;
1422 DWORD *src;
1423 BYTE *dst_row;
1424 DWORD *dst;
1425
1426 TRACE("%p, %p\n", hicon, bitmap);
1427
1428 if(!bitmap || !GetIconInfo(hicon, &iinfo))
1429 return InvalidParameter;
1430
1431 /* get the size of the icon */
1432 ret = GetObjectA(iinfo.hbmColor ? iinfo.hbmColor : iinfo.hbmMask, sizeof(bm), &bm);
1433 if (ret == 0) {
1434 DeleteObject(iinfo.hbmColor);
1435 DeleteObject(iinfo.hbmMask);
1436 return GenericError;
1437 }
1438
1439 width = bm.bmWidth;
1440
1441 if (iinfo.hbmColor)
1442 height = abs(bm.bmHeight);
1443 else /* combined bitmap + mask */
1444 height = abs(bm.bmHeight) / 2;
1445
1446 bits = HeapAlloc(GetProcessHeap(), 0, 4*width*height);
1447 if (!bits) {
1448 DeleteObject(iinfo.hbmColor);
1449 DeleteObject(iinfo.hbmMask);
1450 return OutOfMemory;
1451 }
1452
1453 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB, NULL, bitmap);
1454 if (stat != Ok) {
1455 DeleteObject(iinfo.hbmColor);
1456 DeleteObject(iinfo.hbmMask);
1457 HeapFree(GetProcessHeap(), 0, bits);
1458 return stat;
1459 }
1460
1461 rect.X = 0;
1462 rect.Y = 0;
1463 rect.Width = width;
1464 rect.Height = height;
1465
1466 stat = GdipBitmapLockBits(*bitmap, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &lockeddata);
1467 if (stat != Ok) {
1468 DeleteObject(iinfo.hbmColor);
1469 DeleteObject(iinfo.hbmMask);
1470 HeapFree(GetProcessHeap(), 0, bits);
1471 GdipDisposeImage((GpImage*)*bitmap);
1472 return stat;
1473 }
1474
1475 bih.biSize = sizeof(bih);
1476 bih.biWidth = width;
1477 bih.biHeight = -height;
1478 bih.biPlanes = 1;
1479 bih.biBitCount = 32;
1480 bih.biCompression = BI_RGB;
1481 bih.biSizeImage = 0;
1482 bih.biXPelsPerMeter = 0;
1483 bih.biYPelsPerMeter = 0;
1484 bih.biClrUsed = 0;
1485 bih.biClrImportant = 0;
1486
1487 screendc = GetDC(0);
1488 if (iinfo.hbmColor)
1489 {
1490 GetDIBits(screendc, iinfo.hbmColor, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1491
1492 if (bm.bmBitsPixel == 32)
1493 {
1494 has_alpha = FALSE;
1495
1496 /* If any pixel has a non-zero alpha, ignore hbmMask */
1497 src = (DWORD*)bits;
1498 for (x=0; x<width && !has_alpha; x++)
1499 for (y=0; y<height && !has_alpha; y++)
1500 if ((*src++ & 0xff000000) != 0)
1501 has_alpha = TRUE;
1502 }
1503 else has_alpha = FALSE;
1504 }
1505 else
1506 {
1507 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1508 has_alpha = FALSE;
1509 }
1510
1511 /* copy the image data to the Bitmap */
1512 src = (DWORD*)bits;
1513 dst_row = lockeddata.Scan0;
1514 for (y=0; y<height; y++)
1515 {
1516 memcpy(dst_row, src, width*4);
1517 src += width;
1518 dst_row += lockeddata.Stride;
1519 }
1520
1521 if (!has_alpha)
1522 {
1523 if (iinfo.hbmMask)
1524 {
1525 /* read alpha data from the mask */
1526 if (iinfo.hbmColor)
1527 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1528 else
1529 GetDIBits(screendc, iinfo.hbmMask, height, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1530
1531 src = (DWORD*)bits;
1532 dst_row = lockeddata.Scan0;
1533 for (y=0; y<height; y++)
1534 {
1535 dst = (DWORD*)dst_row;
1536 for (x=0; x<height; x++)
1537 {
1538 DWORD src_value = *src++;
1539 if (src_value)
1540 *dst++ = 0;
1541 else
1542 *dst++ |= 0xff000000;
1543 }
1544 dst_row += lockeddata.Stride;
1545 }
1546 }
1547 else
1548 {
1549 /* set constant alpha of 255 */
1550 dst_row = bits;
1551 for (y=0; y<height; y++)
1552 {
1553 dst = (DWORD*)dst_row;
1554 for (x=0; x<height; x++)
1555 *dst++ |= 0xff000000;
1556 dst_row += lockeddata.Stride;
1557 }
1558 }
1559 }
1560
1561 ReleaseDC(0, screendc);
1562
1563 DeleteObject(iinfo.hbmColor);
1564 DeleteObject(iinfo.hbmMask);
1565
1566 GdipBitmapUnlockBits(*bitmap, &lockeddata);
1567
1568 HeapFree(GetProcessHeap(), 0, bits);
1569
1570 return Ok;
1571 }
1572
1573 static void generate_halftone_palette(ARGB *entries, UINT count)
1574 {
1575 static const BYTE halftone_values[6]={0x00,0x33,0x66,0x99,0xcc,0xff};
1576 UINT i;
1577
1578 for (i=0; i<8 && i<count; i++)
1579 {
1580 entries[i] = 0xff000000;
1581 if (i&1) entries[i] |= 0x800000;
1582 if (i&2) entries[i] |= 0x8000;
1583 if (i&4) entries[i] |= 0x80;
1584 }
1585
1586 if (8 < count)
1587 entries[i] = 0xffc0c0c0;
1588
1589 for (i=9; i<16 && i<count; i++)
1590 {
1591 entries[i] = 0xff000000;
1592 if (i&1) entries[i] |= 0xff0000;
1593 if (i&2) entries[i] |= 0xff00;
1594 if (i&4) entries[i] |= 0xff;
1595 }
1596
1597 for (i=16; i<40 && i<count; i++)
1598 {
1599 entries[i] = 0;
1600 }
1601
1602 for (i=40; i<256 && i<count; i++)
1603 {
1604 entries[i] = 0xff000000;
1605 entries[i] |= halftone_values[(i-40)%6];
1606 entries[i] |= halftone_values[((i-40)/6)%6] << 8;
1607 entries[i] |= halftone_values[((i-40)/36)%6] << 16;
1608 }
1609 }
1610
1611 static GpStatus get_screen_resolution(REAL *xres, REAL *yres)
1612 {
1613 HDC screendc = GetDC(0);
1614
1615 if (!screendc) return GenericError;
1616
1617 *xres = (REAL)GetDeviceCaps(screendc, LOGPIXELSX);
1618 *yres = (REAL)GetDeviceCaps(screendc, LOGPIXELSY);
1619
1620 ReleaseDC(0, screendc);
1621
1622 return Ok;
1623 }
1624
1625 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
1626 PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
1627 {
1628 BITMAPINFO* pbmi;
1629 HBITMAP hbitmap=NULL;
1630 INT row_size, dib_stride;
1631 HDC hdc;
1632 BYTE *bits=NULL, *own_bits=NULL;
1633 REAL xres, yres;
1634 GpStatus stat;
1635
1636 TRACE("%d %d %d 0x%x %p %p\n", width, height, stride, format, scan0, bitmap);
1637
1638 if (!bitmap) return InvalidParameter;
1639
1640 if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
1641 *bitmap = NULL;
1642 return InvalidParameter;
1643 }
1644
1645 if(scan0 && !stride)
1646 return InvalidParameter;
1647
1648 stat = get_screen_resolution(&xres, &yres);
1649 if (stat != Ok) return stat;
1650
1651 row_size = (width * PIXELFORMATBPP(format)+7) / 8;
1652 dib_stride = (row_size + 3) & ~3;
1653
1654 if(stride == 0)
1655 stride = dib_stride;
1656
1657 if (format & PixelFormatGDI && !(format & (PixelFormatAlpha|PixelFormatIndexed)) && !scan0)
1658 {
1659 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1660 if (!pbmi)
1661 return OutOfMemory;
1662
1663 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1664 pbmi->bmiHeader.biWidth = width;
1665 pbmi->bmiHeader.biHeight = -height;
1666 pbmi->bmiHeader.biPlanes = 1;
1667 /* FIXME: use the rest of the data from format */
1668 pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(format);
1669 pbmi->bmiHeader.biCompression = BI_RGB;
1670 pbmi->bmiHeader.biSizeImage = 0;
1671 pbmi->bmiHeader.biXPelsPerMeter = 0;
1672 pbmi->bmiHeader.biYPelsPerMeter = 0;
1673 pbmi->bmiHeader.biClrUsed = 0;
1674 pbmi->bmiHeader.biClrImportant = 0;
1675
1676 hdc = CreateCompatibleDC(NULL);
1677 if (!hdc) {
1678 GdipFree(pbmi);
1679 return GenericError;
1680 }
1681
1682 hbitmap = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
1683
1684 DeleteDC(hdc);
1685 GdipFree(pbmi);
1686
1687 if (!hbitmap) return GenericError;
1688 }
1689 else
1690 {
1691 /* Not a GDI format; don't try to make an HBITMAP. */
1692 if (scan0)
1693 bits = scan0;
1694 else
1695 {
1696 INT size = abs(stride) * height;
1697
1698 own_bits = bits = GdipAlloc(size);
1699 if (!own_bits) return OutOfMemory;
1700
1701 if (stride < 0)
1702 bits += stride * (1 - height);
1703 }
1704 }
1705
1706 *bitmap = GdipAlloc(sizeof(GpBitmap));
1707 if(!*bitmap)
1708 {
1709 DeleteObject(hbitmap);
1710 GdipFree(own_bits);
1711 return OutOfMemory;
1712 }
1713
1714 (*bitmap)->image.type = ImageTypeBitmap;
1715 memcpy(&(*bitmap)->image.format, &ImageFormatMemoryBMP, sizeof(GUID));
1716 (*bitmap)->image.flags = ImageFlagsNone;
1717 (*bitmap)->image.palette_flags = 0;
1718 (*bitmap)->image.palette_count = 0;
1719 (*bitmap)->image.palette_size = 0;
1720 (*bitmap)->image.palette_entries = NULL;
1721 (*bitmap)->image.xres = xres;
1722 (*bitmap)->image.yres = yres;
1723 (*bitmap)->width = width;
1724 (*bitmap)->height = height;
1725 (*bitmap)->format = format;
1726 (*bitmap)->image.picture = NULL;
1727 (*bitmap)->hbitmap = hbitmap;
1728 (*bitmap)->hdc = NULL;
1729 (*bitmap)->bits = bits;
1730 (*bitmap)->stride = dib_stride;
1731 (*bitmap)->own_bits = own_bits;
1732
1733 /* set format-related flags */
1734 if (format & (PixelFormatAlpha|PixelFormatPAlpha|PixelFormatIndexed))
1735 (*bitmap)->image.flags |= ImageFlagsHasAlpha;
1736
1737 if (format == PixelFormat1bppIndexed ||
1738 format == PixelFormat4bppIndexed ||
1739 format == PixelFormat8bppIndexed)
1740 {
1741 (*bitmap)->image.palette_size = (*bitmap)->image.palette_count = 1 << PIXELFORMATBPP(format);
1742 (*bitmap)->image.palette_entries = GdipAlloc(sizeof(ARGB) * ((*bitmap)->image.palette_size));
1743
1744 if (!(*bitmap)->image.palette_entries)
1745 {
1746 GdipDisposeImage(&(*bitmap)->image);
1747 *bitmap = NULL;
1748 return OutOfMemory;
1749 }
1750
1751 if (format == PixelFormat1bppIndexed)
1752 {
1753 (*bitmap)->image.palette_flags = PaletteFlagsGrayScale;
1754 (*bitmap)->image.palette_entries[0] = 0xff000000;
1755 (*bitmap)->image.palette_entries[1] = 0xffffffff;
1756 }
1757 else
1758 {
1759 if (format == PixelFormat8bppIndexed)
1760 (*bitmap)->image.palette_flags = PaletteFlagsHalftone;
1761
1762 generate_halftone_palette((*bitmap)->image.palette_entries,
1763 (*bitmap)->image.palette_count);
1764 }
1765 }
1766
1767 TRACE("<-- %p\n", *bitmap);
1768
1769 return Ok;
1770 }
1771
1772 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
1773 GpBitmap **bitmap)
1774 {
1775 GpStatus stat;
1776
1777 TRACE("%p %p\n", stream, bitmap);
1778
1779 stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
1780
1781 if(stat != Ok)
1782 return stat;
1783
1784 if((*bitmap)->image.type != ImageTypeBitmap){
1785 GdipDisposeImage(&(*bitmap)->image);
1786 *bitmap = NULL;
1787 return GenericError; /* FIXME: what error to return? */
1788 }
1789
1790 return Ok;
1791 }
1792
1793 /* FIXME: no icm */
1794 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
1795 GpBitmap **bitmap)
1796 {
1797 TRACE("%p %p\n", stream, bitmap);
1798
1799 return GdipCreateBitmapFromStream(stream, bitmap);
1800 }
1801
1802 GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
1803 GpCachedBitmap **cachedbmp)
1804 {
1805 GpStatus stat;
1806
1807 TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
1808
1809 if(!bitmap || !graphics || !cachedbmp)
1810 return InvalidParameter;
1811
1812 *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
1813 if(!*cachedbmp)
1814 return OutOfMemory;
1815
1816 stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
1817 if(stat != Ok){
1818 GdipFree(*cachedbmp);
1819 return stat;
1820 }
1821
1822 return Ok;
1823 }
1824
1825 GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon)
1826 {
1827 GpStatus stat;
1828 BitmapData lockeddata;
1829 ULONG andstride, xorstride, bitssize;
1830 LPBYTE andbits, xorbits, androw, xorrow, srcrow;
1831 UINT x, y;
1832
1833 TRACE("(%p, %p)\n", bitmap, hicon);
1834
1835 if (!bitmap || !hicon)
1836 return InvalidParameter;
1837
1838 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead,
1839 PixelFormat32bppPARGB, &lockeddata);
1840 if (stat == Ok)
1841 {
1842 andstride = ((lockeddata.Width+31)/32)*4;
1843 xorstride = lockeddata.Width*4;
1844 bitssize = (andstride + xorstride) * lockeddata.Height;
1845
1846 andbits = GdipAlloc(bitssize);
1847
1848 if (andbits)
1849 {
1850 xorbits = andbits + andstride * lockeddata.Height;
1851
1852 for (y=0; y<lockeddata.Height; y++)
1853 {
1854 srcrow = ((LPBYTE)lockeddata.Scan0) + lockeddata.Stride * y;
1855
1856 androw = andbits + andstride * y;
1857 for (x=0; x<lockeddata.Width; x++)
1858 if (srcrow[3+4*x] >= 128)
1859 androw[x/8] |= 1 << (7-x%8);
1860
1861 xorrow = xorbits + xorstride * y;
1862 memcpy(xorrow, srcrow, xorstride);
1863 }
1864
1865 *hicon = CreateIcon(NULL, lockeddata.Width, lockeddata.Height, 1, 32,
1866 andbits, xorbits);
1867
1868 GdipFree(andbits);
1869 }
1870 else
1871 stat = OutOfMemory;
1872
1873 GdipBitmapUnlockBits(bitmap, &lockeddata);
1874 }
1875
1876 return stat;
1877 }
1878
1879 GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
1880 {
1881 TRACE("%p\n", cachedbmp);
1882
1883 if(!cachedbmp)
1884 return InvalidParameter;
1885
1886 GdipDisposeImage(cachedbmp->image);
1887 GdipFree(cachedbmp);
1888
1889 return Ok;
1890 }
1891
1892 GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
1893 GpCachedBitmap *cachedbmp, INT x, INT y)
1894 {
1895 TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
1896
1897 if(!graphics || !cachedbmp)
1898 return InvalidParameter;
1899
1900 return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
1901 }
1902
1903 GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16,
1904 LPBYTE pData16, INT iMapMode, INT eFlags)
1905 {
1906 FIXME("(%p, %d, %p, %d, %d): stub\n", hemf, cbData16, pData16, iMapMode, eFlags);
1907 return NotImplemented;
1908 }
1909
1910 /* Internal utility function: Replace the image data of dst with that of src,
1911 * and free src. */
1912 static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
1913 {
1914 GdipFree(dst->bitmapbits);
1915 DeleteDC(dst->hdc);
1916 DeleteObject(dst->hbitmap);
1917
1918 if (clobber_palette)
1919 {
1920 GdipFree(dst->image.palette_entries);
1921 dst->image.palette_flags = src->image.palette_flags;
1922 dst->image.palette_count = src->image.palette_count;
1923 dst->image.palette_entries = src->image.palette_entries;
1924 }
1925 else
1926 GdipFree(src->image.palette_entries);
1927
1928 dst->image.xres = src->image.xres;
1929 dst->image.yres = src->image.yres;
1930 dst->width = src->width;
1931 dst->height = src->height;
1932 dst->format = src->format;
1933 dst->hbitmap = src->hbitmap;
1934 dst->hdc = src->hdc;
1935 dst->bits = src->bits;
1936 dst->stride = src->stride;
1937 dst->own_bits = src->own_bits;
1938
1939 GdipFree(src);
1940 }
1941
1942 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
1943 {
1944 TRACE("%p\n", image);
1945
1946 if(!image)
1947 return InvalidParameter;
1948
1949 if (image->type == ImageTypeBitmap)
1950 {
1951 GdipFree(((GpBitmap*)image)->bitmapbits);
1952 GdipFree(((GpBitmap*)image)->own_bits);
1953 DeleteDC(((GpBitmap*)image)->hdc);
1954 DeleteObject(((GpBitmap*)image)->hbitmap);
1955 }
1956 else if (image->type != ImageTypeMetafile)
1957 {
1958 WARN("invalid image: %p\n", image);
1959 return ObjectBusy;
1960 }
1961 if (image->picture)
1962 IPicture_Release(image->picture);
1963 GdipFree(image->palette_entries);
1964 image->type = ~0;
1965 GdipFree(image);
1966
1967 return Ok;
1968 }
1969
1970 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
1971 {
1972 static int calls;
1973
1974 TRACE("(%p,%p)\n", image, item);
1975
1976 if(!image || !item)
1977 return InvalidParameter;
1978
1979 if (!(calls++))
1980 FIXME("not implemented\n");
1981
1982 return NotImplemented;
1983 }
1984
1985 GpStatus WINGDIPAPI GdipGetImageItemData(GpImage *image, ImageItemData *item)
1986 {
1987 static int calls;
1988
1989 TRACE("(%p,%p)\n", image, item);
1990
1991 if (!(calls++))
1992 FIXME("not implemented\n");
1993
1994 return NotImplemented;
1995 }
1996
1997 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
1998 GpUnit *srcUnit)
1999 {
2000 TRACE("%p %p %p\n", image, srcRect, srcUnit);
2001
2002 if(!image || !srcRect || !srcUnit)
2003 return InvalidParameter;
2004 if(image->type == ImageTypeMetafile){
2005 *srcRect = ((GpMetafile*)image)->bounds;
2006 *srcUnit = ((GpMetafile*)image)->unit;
2007 }
2008 else if(image->type == ImageTypeBitmap){
2009 srcRect->X = srcRect->Y = 0.0;
2010 srcRect->Width = (REAL) ((GpBitmap*)image)->width;
2011 srcRect->Height = (REAL) ((GpBitmap*)image)->height;
2012 *srcUnit = UnitPixel;
2013 }
2014 else{
2015 srcRect->X = srcRect->Y = 0.0;
2016 srcRect->Width = ipicture_pixel_width(image->picture);
2017 srcRect->Height = ipicture_pixel_height(image->picture);
2018 *srcUnit = UnitPixel;
2019 }
2020
2021 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
2022 srcRect->Width, srcRect->Height, *srcUnit);
2023
2024 return Ok;
2025 }
2026
2027 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
2028 REAL *height)
2029 {
2030 TRACE("%p %p %p\n", image, width, height);
2031
2032 if(!image || !height || !width)
2033 return InvalidParameter;
2034
2035 if(image->type == ImageTypeMetafile){
2036 HDC hdc = GetDC(0);
2037 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2038
2039 ReleaseDC(0, hdc);
2040
2041 *height = convert_unit(res, ((GpMetafile*)image)->unit) *
2042 ((GpMetafile*)image)->bounds.Height;
2043
2044 *width = convert_unit(res, ((GpMetafile*)image)->unit) *
2045 ((GpMetafile*)image)->bounds.Width;
2046 }
2047
2048 else if(image->type == ImageTypeBitmap){
2049 *height = ((GpBitmap*)image)->height;
2050 *width = ((GpBitmap*)image)->width;
2051 }
2052 else{
2053 *height = ipicture_pixel_height(image->picture);
2054 *width = ipicture_pixel_width(image->picture);
2055 }
2056
2057 TRACE("returning (%f, %f)\n", *height, *width);
2058 return Ok;
2059 }
2060
2061 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
2062 GpGraphics **graphics)
2063 {
2064 HDC hdc;
2065 GpStatus stat;
2066
2067 TRACE("%p %p\n", image, graphics);
2068
2069 if(!image || !graphics)
2070 return InvalidParameter;
2071
2072 if(image->type != ImageTypeBitmap){
2073 FIXME("not implemented for image type %d\n", image->type);
2074 return NotImplemented;
2075 }
2076
2077 if (((GpBitmap*)image)->hbitmap)
2078 {
2079 hdc = ((GpBitmap*)image)->hdc;
2080
2081 if(!hdc){
2082 hdc = CreateCompatibleDC(0);
2083 SelectObject(hdc, ((GpBitmap*)image)->hbitmap);
2084 ((GpBitmap*)image)->hdc = hdc;
2085 }
2086
2087 stat = GdipCreateFromHDC(hdc, graphics);
2088
2089 if (stat == Ok)
2090 (*graphics)->image = image;
2091 }
2092 else
2093 stat = graphics_from_image(image, graphics);
2094
2095 return stat;
2096 }
2097
2098 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
2099 {
2100 TRACE("%p %p\n", image, height);
2101
2102 if(!image || !height)
2103 return InvalidParameter;
2104
2105 if(image->type == ImageTypeMetafile){
2106 HDC hdc = GetDC(0);
2107 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2108
2109 ReleaseDC(0, hdc);
2110
2111 *height = roundr(convert_unit(res, ((GpMetafile*)image)->unit) *
2112 ((GpMetafile*)image)->bounds.Height);
2113 }
2114 else if(image->type == ImageTypeBitmap)
2115 *height = ((GpBitmap*)image)->height;
2116 else
2117 *height = ipicture_pixel_height(image->picture);
2118
2119 TRACE("returning %d\n", *height);
2120
2121 return Ok;
2122 }
2123
2124 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
2125 {
2126 if(!image || !res)
2127 return InvalidParameter;
2128
2129 *res = image->xres;
2130
2131 TRACE("(%p) <-- %0.2f\n", image, *res);
2132
2133 return Ok;
2134 }
2135
2136 GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
2137 {
2138 TRACE("%p %p\n", image, size);
2139
2140 if(!image || !size)
2141 return InvalidParameter;
2142
2143 if (image->palette_count == 0)
2144 *size = sizeof(ColorPalette);
2145 else
2146 *size = sizeof(UINT)*2 + sizeof(ARGB)*image->palette_count;
2147
2148 TRACE("<-- %u\n", *size);
2149
2150 return Ok;
2151 }
2152
2153 /* FIXME: test this function for non-bitmap types */
2154 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
2155 {
2156 TRACE("%p %p\n", image, format);
2157
2158 if(!image || !format)
2159 return InvalidParameter;
2160
2161 if(image->type != ImageTypeBitmap)
2162 *format = PixelFormat24bppRGB;
2163 else
2164 *format = ((GpBitmap*) image)->format;
2165
2166 return Ok;
2167 }
2168
2169 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
2170 {
2171 TRACE("(%p, %p)\n", image, format);
2172
2173 if(!image || !format)
2174 return InvalidParameter;
2175
2176 memcpy(format, &image->format, sizeof(GUID));
2177
2178 return Ok;
2179 }
2180
2181 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
2182 {
2183 TRACE("%p %p\n", image, type);
2184
2185 if(!image || !type)
2186 return InvalidParameter;
2187
2188 *type = image->type;
2189
2190 return Ok;
2191 }
2192
2193 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
2194 {
2195 if(!image || !res)
2196 return InvalidParameter;
2197
2198 *res = image->yres;
2199
2200 TRACE("(%p) <-- %0.2f\n", image, *res);
2201
2202 return Ok;
2203 }
2204
2205 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
2206 {
2207 TRACE("%p %p\n", image, width);
2208
2209 if(!image || !width)
2210 return InvalidParameter;
2211
2212 if(image->type == ImageTypeMetafile){
2213 HDC hdc = GetDC(0);
2214 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2215
2216 ReleaseDC(0, hdc);
2217
2218 *width = roundr(convert_unit(res, ((GpMetafile*)image)->unit) *
2219 ((GpMetafile*)image)->bounds.Width);
2220 }
2221 else if(image->type == ImageTypeBitmap)
2222 *width = ((GpBitmap*)image)->width;
2223 else
2224 *width = ipicture_pixel_width(image->picture);
2225
2226 TRACE("returning %d\n", *width);
2227
2228 return Ok;
2229 }
2230
2231 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
2232 MetafileHeader * header)
2233 {
2234 static int calls;
2235
2236 TRACE("(%p, %p)\n", metafile, header);
2237
2238 if(!metafile || !header)
2239 return InvalidParameter;
2240
2241 if(!(calls++))
2242 FIXME("not implemented\n");
2243
2244 memset(header, 0, sizeof(MetafileHeader));
2245
2246 return Ok;
2247 }
2248
2249 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromEmf(HENHMETAFILE hEmf,
2250 MetafileHeader *header)
2251 {
2252 static int calls;
2253
2254 if(!hEmf || !header)
2255 return InvalidParameter;
2256
2257 if(!(calls++))
2258 FIXME("not implemented\n");
2259
2260 memset(header, 0, sizeof(MetafileHeader));
2261
2262 return Ok;
2263 }
2264
2265 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromFile(GDIPCONST WCHAR *filename,
2266 MetafileHeader *header)
2267 {
2268 static int calls;
2269
2270 TRACE("(%s,%p)\n", debugstr_w(filename), header);
2271
2272 if(!filename || !header)
2273 return InvalidParameter;
2274
2275 if(!(calls++))
2276 FIXME("not implemented\n");
2277
2278 memset(header, 0, sizeof(MetafileHeader));
2279
2280 return Ok;
2281 }
2282
2283 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromStream(IStream *stream,
2284 MetafileHeader *header)
2285 {
2286 static int calls;
2287
2288 TRACE("(%p,%p)\n", stream, header);
2289
2290 if(!stream || !header)
2291 return InvalidParameter;
2292
2293 if(!(calls++))
2294 FIXME("not implemented\n");
2295
2296 memset(header, 0, sizeof(MetafileHeader));
2297
2298 return Ok;
2299 }
2300
2301 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
2302 UINT num, PropertyItem* items)
2303 {
2304 static int calls;
2305
2306 TRACE("(%p, %u, %u, %p)\n", image, size, num, items);
2307
2308 if(!(calls++))
2309 FIXME("not implemented\n");
2310
2311 return InvalidParameter;
2312 }
2313
2314 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
2315 {
2316 static int calls;
2317
2318 TRACE("(%p, %p)\n", image, num);
2319
2320 if(!(calls++))
2321 FIXME("not implemented\n");
2322
2323 return InvalidParameter;
2324 }
2325
2326 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
2327 {
2328 static int calls;
2329
2330 TRACE("(%p, %u, %p)\n", image, num, list);
2331
2332 if(!(calls++))
2333 FIXME("not implemented\n");
2334
2335 return InvalidParameter;
2336 }
2337
2338 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
2339 PropertyItem* buffer)
2340 {
2341 static int calls;
2342
2343 TRACE("(%p, %u, %u, %p)\n", image, id, size, buffer);
2344
2345 if(!(calls++))
2346 FIXME("not implemented\n");
2347
2348 return InvalidParameter;
2349 }
2350
2351 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
2352 UINT* size)
2353 {
2354 static int calls;
2355
2356 TRACE("%p %x %p\n", image, pid, size);
2357
2358 if(!size || !image)
2359 return InvalidParameter;
2360
2361 if(!(calls++))
2362 FIXME("not implemented\n");
2363
2364 return NotImplemented;
2365 }
2366
2367 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
2368 {
2369 static int calls;
2370
2371 TRACE("(%p,%p,%p)\n", image, size, num);
2372
2373 if(!(calls++))
2374 FIXME("not implemented\n");
2375
2376 return InvalidParameter;
2377 }
2378
2379 struct image_format_dimension
2380 {
2381 const GUID *format;
2382 const GUID *dimension;
2383 };
2384
2385 struct image_format_dimension image_format_dimensions[] =
2386 {
2387 {&ImageFormatGIF, &FrameDimensionTime},
2388 {&ImageFormatIcon, &FrameDimensionResolution},
2389 {NULL}
2390 };
2391
2392 /* FIXME: Need to handle multi-framed images */
2393 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
2394 GDIPCONST GUID* dimensionID, UINT* count)
2395 {
2396 static int calls;
2397
2398 TRACE("(%p,%s,%p)\n", image, debugstr_guid(dimensionID), count);
2399
2400 if(!image || !count)
2401 return InvalidParameter;
2402
2403 if(!(calls++))
2404 FIXME("returning frame count of 1\n");
2405
2406 *count = 1;
2407
2408 return Ok;
2409 }
2410
2411 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
2412 UINT* count)
2413 {
2414 TRACE("(%p, %p)\n", image, count);
2415
2416 /* Native gdiplus 1.1 does not yet support multiple frame dimensions. */
2417
2418 if(!image || !count)
2419 return InvalidParameter;
2420
2421 *count = 1;
2422
2423 return Ok;
2424 }
2425
2426 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
2427 GUID* dimensionIDs, UINT count)
2428 {
2429 int i;
2430 const GUID *result=NULL;
2431
2432 TRACE("(%p,%p,%u)\n", image, dimensionIDs, count);
2433
2434 if(!image || !dimensionIDs || count != 1)
2435 return InvalidParameter;
2436
2437 for (i=0; image_format_dimensions[i].format; i++)
2438 {
2439 if (IsEqualGUID(&image->format, image_format_dimensions[i].format))
2440 {
2441 result = image_format_dimensions[i].dimension;
2442 break;
2443 }
2444 }
2445
2446 if (!result)
2447 result = &FrameDimensionPage;
2448
2449 memcpy(dimensionIDs, result, sizeof(GUID));
2450
2451 return Ok;
2452 }
2453
2454 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
2455 GDIPCONST GUID* dimensionID, UINT frameidx)
2456 {
2457 static int calls;
2458
2459 TRACE("(%p, %s, %u)\n", image, debugstr_guid(dimensionID), frameidx);
2460
2461 if(!image || !dimensionID)
2462 return InvalidParameter;
2463
2464 if(!(calls++))
2465 FIXME("not implemented\n");
2466
2467 return Ok;
2468 }
2469
2470 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
2471 GpImage **image)
2472 {
2473 GpStatus stat;
2474 IStream *stream;
2475
2476 TRACE("(%s) %p\n", debugstr_w(filename), image);
2477
2478 if (!filename || !image)
2479 return InvalidParameter;
2480
2481 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
2482
2483 if (stat != Ok)
2484 return stat;
2485
2486 stat = GdipLoadImageFromStream(stream, image);
2487
2488 IStream_Release(stream);
2489
2490 return stat;
2491 }
2492
2493 /* FIXME: no icm handling */
2494 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
2495 {
2496 TRACE("(%s) %p\n", debugstr_w(filename), image);
2497
2498 return GdipLoadImageFromFile(filename, image);
2499 }
2500
2501 static const WICPixelFormatGUID *wic_pixel_formats[] = {
2502 &GUID_WICPixelFormat16bppBGR555,
2503 &GUID_WICPixelFormat24bppBGR,
2504 &GUID_WICPixelFormat32bppBGR,
2505 &GUID_WICPixelFormat32bppBGRA,
2506 &GUID_WICPixelFormat32bppPBGRA,
2507 NULL
2508 };
2509
2510 static const PixelFormat wic_gdip_formats[] = {
2511 PixelFormat16bppRGB555,
2512 PixelFormat24bppRGB,
2513 PixelFormat32bppRGB,
2514 PixelFormat32bppARGB,
2515 PixelFormat32bppPARGB,
2516 };
2517
2518 static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, GpImage **image)
2519 {
2520 GpStatus status=Ok;
2521 GpBitmap *bitmap;
2522 HRESULT hr;
2523 IWICBitmapDecoder *decoder;
2524 IWICBitmapFrameDecode *frame;
2525 IWICBitmapSource *source=NULL;
2526 WICPixelFormatGUID wic_format;
2527 PixelFormat gdip_format=0;
2528 int i;
2529 UINT width, height;
2530 BitmapData lockeddata;
2531 WICRect wrc;
2532 HRESULT initresult;
2533
2534 initresult = CoInitialize(NULL);
2535
2536 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2537 &IID_IWICBitmapDecoder, (void**)&decoder);
2538 if (FAILED(hr)) goto end;
2539
2540 hr = IWICBitmapDecoder_Initialize(decoder, (IStream*)stream, WICDecodeMetadataCacheOnLoad);
2541 if (SUCCEEDED(hr))
2542 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
2543
2544 if (SUCCEEDED(hr)) /* got frame */
2545 {
2546 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format);
2547
2548 if (SUCCEEDED(hr))
2549 {
2550 for (i=0; wic_pixel_formats[i]; i++)
2551 {
2552 if (IsEqualGUID(&wic_format, wic_pixel_formats[i]))
2553 {
2554 source = (IWICBitmapSource*)frame;
2555 IWICBitmapSource_AddRef(source);
2556 gdip_format = wic_gdip_formats[i];
2557 break;
2558 }
2559 }
2560 if (!source)
2561 {
2562 /* unknown format; fall back on 32bppARGB */
2563 hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, (IWICBitmapSource*)frame, &source);
2564 gdip_format = PixelFormat32bppARGB;
2565 }
2566 }
2567
2568 if (SUCCEEDED(hr)) /* got source */
2569 {
2570 hr = IWICBitmapSource_GetSize(source, &width, &height);
2571
2572 if (SUCCEEDED(hr))
2573 status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format,
2574 NULL, &bitmap);
2575
2576 if (SUCCEEDED(hr) && status == Ok) /* created bitmap */
2577 {
2578 status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite,
2579 gdip_format, &lockeddata);
2580 if (status == Ok) /* locked bitmap */
2581 {
2582 wrc.X = 0;
2583 wrc.Width = width;
2584 wrc.Height = 1;
2585 for (i=0; i<height; i++)
2586 {
2587 wrc.Y = i;
2588 hr = IWICBitmapSource_CopyPixels(source, &wrc, abs(lockeddata.Stride),
2589 abs(lockeddata.Stride), (BYTE*)lockeddata.Scan0+lockeddata.Stride*i);
2590 if (FAILED(hr)) break;
2591 }
2592
2593 GdipBitmapUnlockBits(bitmap, &lockeddata);
2594 }
2595
2596 if (SUCCEEDED(hr) && status == Ok)
2597 *image = (GpImage*)bitmap;
2598 else
2599 {
2600 *image = NULL;
2601 GdipDisposeImage((GpImage*)bitmap);
2602 }
2603
2604 if (SUCCEEDED(hr) && status == Ok)
2605 {
2606 double dpix, dpiy;
2607 hr = IWICBitmapSource_GetResolution(source, &dpix, &dpiy);
2608 if (SUCCEEDED(hr))
2609 {
2610 bitmap->image.xres = dpix;
2611 bitmap->image.yres = dpiy;
2612 }
2613 hr = S_OK;
2614 }
2615 }
2616
2617 IWICBitmapSource_Release(source);
2618 }
2619
2620 IWICBitmapFrameDecode_Release(frame);
2621 }
2622
2623 IWICBitmapDecoder_Release(decoder);
2624
2625 end:
2626 if (SUCCEEDED(initresult)) CoUninitialize();
2627
2628 if (FAILED(hr) && status == Ok) status = hresult_to_status(hr);
2629
2630 if (status == Ok)
2631 {
2632 /* Native GDI+ used to be smarter, but since Win7 it just sets these flags. */
2633 bitmap->image.flags |= ImageFlagsReadOnly|ImageFlagsHasRealPixelSize|ImageFlagsHasRealDPI|ImageFlagsColorSpaceRGB;
2634 }
2635
2636 return status;
2637 }
2638
2639 static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, GpImage **image)
2640 {
2641 return decode_image_wic(stream, &CLSID_WICIcoDecoder, image);
2642 }
2643
2644 static GpStatus decode_image_bmp(IStream* stream, REFCLSID clsid, GpImage **image)
2645 {
2646 GpStatus status;
2647 GpBitmap* bitmap;
2648
2649 status = decode_image_wic(stream, &CLSID_WICBmpDecoder, image);
2650
2651 bitmap = (GpBitmap*)*image;
2652
2653 if (status == Ok && bitmap->format == PixelFormat32bppARGB)
2654 {
2655 /* WIC supports bmp files with alpha, but gdiplus does not */
2656 bitmap->format = PixelFormat32bppRGB;
2657 }
2658
2659 return status;
2660 }
2661
2662 static GpStatus decode_image_jpeg(IStream* stream, REFCLSID clsid, GpImage **image)
2663 {
2664 return decode_image_wic(stream, &CLSID_WICJpegDecoder, image);
2665 }
2666
2667 static GpStatus decode_image_png(IStream* stream, REFCLSID clsid, GpImage **image)
2668 {
2669 return decode_image_wic(stream, &CLSID_WICPngDecoder, image);
2670 }
2671
2672 static GpStatus decode_image_gif(IStream* stream, REFCLSID clsid, GpImage **image)
2673 {
2674 return decode_image_wic(stream, &CLSID_WICGifDecoder, image);
2675 }
2676
2677 static GpStatus decode_image_tiff(IStream* stream, REFCLSID clsid, GpImage **image)
2678 {
2679 return decode_image_wic(stream, &CLSID_WICTiffDecoder, image);
2680 }
2681
2682 static GpStatus decode_image_olepicture_metafile(IStream* stream, REFCLSID clsid, GpImage **image)
2683 {
2684 IPicture *pic;
2685
2686 TRACE("%p %p\n", stream, image);
2687
2688 if(!stream || !image)
2689 return InvalidParameter;
2690
2691 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
2692 (LPVOID*) &pic) != S_OK){
2693 TRACE("Could not load picture\n");
2694 return GenericError;
2695 }
2696
2697 /* FIXME: missing initialization code */
2698 *image = GdipAlloc(sizeof(GpMetafile));
2699 if(!*image) return OutOfMemory;
2700 (*image)->type = ImageTypeMetafile;
2701 (*image)->picture = pic;
2702 (*image)->flags = ImageFlagsNone;
2703 (*image)->palette_flags = 0;
2704 (*image)->palette_count = 0;
2705 (*image)->palette_size = 0;
2706 (*image)->palette_entries = NULL;
2707
2708 TRACE("<-- %p\n", *image);
2709
2710 return Ok;
2711 }
2712
2713 typedef GpStatus (*encode_image_func)(GpImage *image, IStream* stream,
2714 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params);
2715
2716 typedef GpStatus (*decode_image_func)(IStream *stream, REFCLSID clsid, GpImage** image);
2717
2718 typedef struct image_codec {
2719 ImageCodecInfo info;
2720 encode_image_func encode_func;
2721 decode_image_func decode_func;
2722 } image_codec;
2723
2724 typedef enum {
2725 BMP,
2726 JPEG,
2727 GIF,
2728 TIFF,
2729 EMF,
2730 WMF,
2731 PNG,
2732 ICO,
2733 NUM_CODECS
2734 } ImageFormat;
2735
2736 static const struct image_codec codecs[NUM_CODECS];
2737
2738 static GpStatus get_decoder_info(IStream* stream, const struct image_codec **result)
2739 {
2740 BYTE signature[8];
2741 const BYTE *pattern, *mask;
2742 LARGE_INTEGER seek;
2743 HRESULT hr;
2744 UINT bytesread;
2745 int i, j, sig;
2746
2747 /* seek to the start of the stream */
2748 seek.QuadPart = 0;
2749 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2750 if (FAILED(hr)) return hresult_to_status(hr);
2751
2752 /* read the first 8 bytes */
2753 /* FIXME: This assumes all codecs have signatures <= 8 bytes in length */
2754 hr = IStream_Read(stream, signature, 8, &bytesread);
2755 if (FAILED(hr)) return hresult_to_status(hr);
2756 if (hr == S_FALSE || bytesread == 0) return GenericError;
2757
2758 for (i = 0; i < NUM_CODECS; i++) {
2759 if ((codecs[i].info.Flags & ImageCodecFlagsDecoder) &&
2760 bytesread >= codecs[i].info.SigSize)
2761 {
2762 for (sig=0; sig<codecs[i].info.SigCount; sig++)
2763 {
2764 pattern = &codecs[i].info.SigPattern[codecs[i].info.SigSize*sig];
2765 mask = &codecs[i].info.SigMask[codecs[i].info.SigSize*sig];
2766 for (j=0; j<codecs[i].info.SigSize; j++)
2767 if ((signature[j] & mask[j]) != pattern[j])
2768 break;
2769 if (j == codecs[i].info.SigSize)
2770 {
2771 *result = &codecs[i];
2772 return Ok;
2773 }
2774 }
2775 }
2776 }
2777
2778 TRACE("no match for %i byte signature %x %x %x %x %x %x %x %x\n", bytesread,
2779 signature[0],signature[1],signature[2],signature[3],
2780 signature[4],signature[5],signature[6],signature[7]);
2781
2782 return GenericError;
2783 }
2784
2785 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
2786 {
2787 GpStatus stat;
2788 LARGE_INTEGER seek;
2789 HRESULT hr;
2790 const struct image_codec *codec=NULL;
2791
2792 /* choose an appropriate image decoder */
2793 stat = get_decoder_info(stream, &codec);
2794 if (stat != Ok) return stat;
2795
2796 /* seek to the start of the stream */
2797 seek.QuadPart = 0;
2798 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2799 if (FAILED(hr)) return hresult_to_status(hr);
2800
2801 /* call on the image decoder to do the real work */
2802 stat = codec->decode_func(stream, &codec->info.Clsid, image);
2803
2804 /* take note of the original data format */
2805 if (stat == Ok)
2806 {
2807 memcpy(&(*image)->format, &codec->info.FormatID, sizeof(GUID));
2808 }
2809
2810 return stat;
2811 }
2812
2813 /* FIXME: no ICM */
2814 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
2815 {
2816 TRACE("%p %p\n", stream, image);
2817
2818 return GdipLoadImageFromStream(stream, image);
2819 }
2820
2821 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
2822 {
2823 static int calls;
2824
2825 TRACE("(%p,%u)\n", image, propId);
2826
2827 if(!image)
2828 return InvalidParameter;
2829
2830 if(!(calls++))
2831 FIXME("not implemented\n");
2832
2833 return NotImplemented;
2834 }
2835
2836 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
2837 {
2838 static int calls;
2839
2840 TRACE("(%p,%p)\n", image, item);
2841
2842 if(!(calls++))
2843 FIXME("not implemented\n");
2844
2845 return NotImplemented;
2846 }
2847
2848 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
2849 GDIPCONST CLSID *clsidEncoder,
2850 GDIPCONST EncoderParameters *encoderParams)
2851 {
2852 GpStatus stat;
2853 IStream *stream;
2854
2855 TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
2856
2857 if (!image || !filename|| !clsidEncoder)
2858 return InvalidParameter;
2859
2860 stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
2861 if (stat != Ok)
2862 return GenericError;
2863
2864 stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
2865
2866 IStream_Release(stream);
2867 return stat;
2868 }
2869
2870 /*************************************************************************
2871 * Encoding functions -
2872 * These functions encode an image in different image file formats.
2873 */
2874 #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
2875 #define BITMAP_FORMAT_JPEG 0xd8ff
2876 #define BITMAP_FORMAT_GIF 0x4947
2877 #define BITMAP_FORMAT_PNG 0x5089
2878 #define BITMAP_FORMAT_APM 0xcdd7
2879
2880 static GpStatus encode_image_WIC(GpImage *image, IStream* stream,
2881 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2882 {
2883 GpStatus stat;
2884 GpBitmap *bitmap;
2885 IWICBitmapEncoder *encoder;
2886 IWICBitmapFrameEncode *frameencode;
2887 IPropertyBag2 *encoderoptions;
2888 HRESULT hr;
2889 UINT width, height;
2890 PixelFormat gdipformat=0;
2891 WICPixelFormatGUID wicformat;
2892 GpRect rc;
2893 BitmapData lockeddata;
2894 HRESULT initresult;
2895 UINT i;
2896
2897 if (image->type != ImageTypeBitmap)
2898 return GenericError;
2899
2900 bitmap = (GpBitmap*)image;
2901
2902 GdipGetImageWidth(image, &width);
2903 GdipGetImageHeight(image, &height);
2904
2905 rc.X = 0;
2906 rc.Y = 0;
2907 rc.Width = width;
2908 rc.Height = height;
2909
2910 initresult = CoInitialize(NULL);
2911
2912 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2913 &IID_IWICBitmapEncoder, (void**)&encoder);
2914 if (FAILED(hr))
2915 {
2916 if (SUCCEEDED(initresult)) CoUninitialize();
2917 return hresult_to_status(hr);
2918 }
2919
2920 hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache);
2921
2922 if (SUCCEEDED(hr))
2923 {
2924 hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
2925 }
2926
2927 if (SUCCEEDED(hr)) /* created frame */
2928 {
2929 hr = IWICBitmapFrameEncode_Initialize(frameencode, encoderoptions);
2930
2931 if (SUCCEEDED(hr))
2932 hr = IWICBitmapFrameEncode_SetSize(frameencode, width, height);
2933
2934 if (SUCCEEDED(hr))
2935 /* FIXME: use the resolution from the image */
2936 hr = IWICBitmapFrameEncode_SetResolution(frameencode, 96.0, 96.0);
2937
2938 if (SUCCEEDED(hr))
2939 {
2940 for (i=0; wic_pixel_formats[i]; i++)
2941 {
2942 if (wic_gdip_formats[i] == bitmap->format)
2943 break;
2944 }
2945 if (wic_pixel_formats[i])
2946 memcpy(&wicformat, wic_pixel_formats[i], sizeof(GUID));
2947 else
2948 memcpy(&wicformat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
2949
2950 hr = IWICBitmapFrameEncode_SetPixelFormat(frameencode, &wicformat);
2951
2952 for (i=0; wic_pixel_formats[i]; i++)
2953 {
2954 if (IsEqualGUID(&wicformat, wic_pixel_formats[i]))
2955 break;
2956 }
2957 if (wic_pixel_formats[i])
2958 gdipformat = wic_gdip_formats[i];
2959 else
2960 {
2961 ERR("cannot provide pixel format %s\n", debugstr_guid(&wicformat));
2962 hr = E_FAIL;
2963 }
2964 }
2965
2966 if (SUCCEEDED(hr))
2967 {
2968 stat = GdipBitmapLockBits(bitmap, &rc, ImageLockModeRead, gdipformat,
2969 &lockeddata);
2970
2971 if (stat == Ok)
2972 {
2973 UINT row_size = (lockeddata.Width * PIXELFORMATBPP(gdipformat) + 7)/8;
2974 BYTE *row;
2975
2976 /* write one row at a time in case stride is negative */
2977 row = lockeddata.Scan0;
2978 for (i=0; i<lockeddata.Height; i++)
2979 {
2980 hr = IWICBitmapFrameEncode_WritePixels(frameencode, 1, row_size, row_size, row);
2981 if (FAILED(hr)) break;
2982 row += lockeddata.Stride;
2983 }
2984
2985 GdipBitmapUnlockBits(bitmap, &lockeddata);
2986 }
2987 else
2988 hr = E_FAIL;
2989 }
2990
2991 if (SUCCEEDED(hr))
2992 hr = IWICBitmapFrameEncode_Commit(frameencode);
2993
2994 IWICBitmapFrameEncode_Release(frameencode);
2995 IPropertyBag2_Release(encoderoptions);
2996 }
2997
2998 if (SUCCEEDED(hr))
2999 hr = IWICBitmapEncoder_Commit(encoder);
3000
3001 IWICBitmapEncoder_Release(encoder);
3002
3003 if (SUCCEEDED(initresult)) CoUninitialize();
3004
3005 return hresult_to_status(hr);
3006 }
3007
3008 static GpStatus encode_image_BMP(GpImage *image, IStream* stream,
3009 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3010 {
3011 return encode_image_WIC(image, stream, &CLSID_WICBmpEncoder, params);
3012 }
3013
3014 static GpStatus encode_image_png(GpImage *image, IStream* stream,
3015 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3016 {
3017 return encode_image_WIC(image, stream, &CLSID_WICPngEncoder, params);
3018 }
3019
3020 /*****************************************************************************
3021 * GdipSaveImageToStream [GDIPLUS.@]
3022 */
3023 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
3024 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3025 {
3026 GpStatus stat;
3027 encode_image_func encode_image;
3028 int i;
3029
3030 TRACE("%p %p %p %p\n", image, stream, clsid, params);
3031
3032 if(!image || !stream)
3033 return InvalidParameter;
3034
3035 /* select correct encoder */
3036 encode_image = NULL;
3037 for (i = 0; i < NUM_CODECS; i++) {
3038 if ((codecs[i].info.Flags & ImageCodecFlagsEncoder) &&
3039 IsEqualCLSID(clsid, &codecs[i].info.Clsid))
3040 encode_image = codecs[i].encode_func;
3041 }
3042 if (encode_image == NULL)
3043 return UnknownImageFormat;
3044
3045 stat = encode_image(image, stream, clsid, params);
3046
3047 return stat;
3048 }
3049
3050 /*****************************************************************************
3051 * GdipGetImagePalette [GDIPLUS.@]
3052 */
3053 GpStatus WINGDIPAPI GdipGetImagePalette(GpImage *image, ColorPalette *palette, INT size)
3054 {
3055 TRACE("(%p,%p,%i)\n", image, palette, size);
3056
3057 if (!image || !palette)
3058 return InvalidParameter;
3059
3060 if (size < (sizeof(UINT)*2+sizeof(ARGB)*image->palette_count))
3061 {
3062 TRACE("<-- InsufficientBuffer\n");
3063 return InsufficientBuffer;
3064 }
3065
3066 palette->Flags = image->palette_flags;
3067 palette->Count = image->palette_count;
3068 memcpy(palette->Entries, image->palette_entries, sizeof(ARGB)*image->palette_count);
3069
3070 return Ok;
3071 }
3072
3073 /*****************************************************************************
3074 * GdipSetImagePalette [GDIPLUS.@]
3075 */
3076 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
3077 GDIPCONST ColorPalette *palette)
3078 {
3079 TRACE("(%p,%p)\n", image, palette);
3080
3081 if(!image || !palette || palette->Count > 256)
3082 return InvalidParameter;
3083
3084 if (palette->Count > image->palette_size)
3085 {
3086 ARGB *new_palette;
3087
3088 new_palette = GdipAlloc(sizeof(ARGB) * palette->Count);
3089 if (!new_palette) return OutOfMemory;
3090
3091 GdipFree(image->palette_entries);
3092 image->palette_entries = new_palette;
3093 image->palette_size = palette->Count;
3094 }
3095
3096 image->palette_flags = palette->Flags;
3097 image->palette_count = palette->Count;
3098 memcpy(image->palette_entries, palette->Entries, sizeof(ARGB)*palette->Count);
3099
3100 return Ok;
3101 }
3102
3103 /*************************************************************************
3104 * Encoders -
3105 * Structures that represent which formats we support for encoding.
3106 */
3107
3108 /* ImageCodecInfo creation routines taken from libgdiplus */
3109 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
3110 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
3111 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
3112 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
3113 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
3114 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
3115
3116 static const WCHAR jpeg_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0};
3117 static const WCHAR jpeg_extension[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0};
3118 static const WCHAR jpeg_mimetype[] = {'i','m','a','g','e','/','j','p','e','g', 0};
3119 static const WCHAR jpeg_format[] = {'J','P','E','G',0};
3120 static const BYTE jpeg_sig_pattern[] = { 0xFF, 0xD8 };
3121 static const BYTE jpeg_sig_mask[] = { 0xFF, 0xFF };
3122
3123 static const WCHAR gif_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0};
3124 static const WCHAR gif_extension[] = {'*','.','G','I','F',0};
3125 static const WCHAR gif_mimetype[] = {'i','m','a','g','e','/','g','i','f', 0};
3126 static const WCHAR gif_format[] = {'G','I','F',0};
3127 static const BYTE gif_sig_pattern[4] = "GIF8";
3128 static const BYTE gif_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3129
3130 static const WCHAR tiff_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'T','I','F','F', 0};
3131 static const WCHAR tiff_extension[] = {'*','.','T','I','F','F',';','*','.','T','I','F',0};
3132 static const WCHAR tiff_mimetype[] = {'i','m','a','g','e','/','t','i','f','f', 0};
3133 static const WCHAR tiff_format[] = {'T','I','F','F',0};
3134 static const BYTE tiff_sig_pattern[] = {0x49,0x49,42,0,0x4d,0x4d,0,42};
3135 static const BYTE tiff_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3136
3137 static const WCHAR emf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0};
3138 static const WCHAR emf_extension[] = {'*','.','E','M','F',0};
3139 static const WCHAR emf_mimetype[] = {'i','m','a','g','e','/','x','-','e','m','f', 0};
3140 static const WCHAR emf_format[] = {'E','M','F',0};
3141 static const BYTE emf_sig_pattern[] = { 0x01, 0x00, 0x00, 0x00 };
3142 static const BYTE emf_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3143
3144 static const WCHAR wmf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0};
3145 static const WCHAR wmf_extension[] = {'*','.','W','M','F',0};
3146 static const WCHAR wmf_mimetype[] = {'i','m','a','g','e','/','x','-','w','m','f', 0};
3147 static const WCHAR wmf_format[] = {'W','M','F',0};
3148 static const BYTE wmf_sig_pattern[] = { 0xd7, 0xcd };
3149 static const BYTE wmf_sig_mask[] = { 0xFF, 0xFF };
3150
3151 static const WCHAR png_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0};
3152 static const WCHAR png_extension[] = {'*','.','P','N','G',0};
3153 static const WCHAR png_mimetype[] = {'i','m','a','g','e','/','p','n','g', 0};
3154 static const WCHAR png_format[] = {'P','N','G',0};
3155 static const BYTE png_sig_pattern[] = { 137, 80, 78, 71, 13, 10, 26, 10, };
3156 static const BYTE png_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3157
3158 static const WCHAR ico_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0};
3159 static const WCHAR ico_extension[] = {'*','.','I','C','O',0};
3160 static const WCHAR ico_mimetype[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0};
3161 static const WCHAR ico_format[] = {'I','C','O',0};
3162 static const BYTE ico_sig_pattern[] = { 0x00, 0x00, 0x01, 0x00 };
3163 static const BYTE ico_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3164
3165 static const struct image_codec codecs[NUM_CODECS] = {
3166 {
3167 { /* BMP */
3168 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3169 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3170 /* CodecName */ bmp_codecname,
3171 /* DllName */ NULL,
3172 /* FormatDescription */ bmp_format,
3173 /* FilenameExtension */ bmp_extension,
3174 /* MimeType */ bmp_mimetype,
3175 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3176 /* Version */ 1,
3177 /* SigCount */ 1,
3178 /* SigSize */ 2,
3179 /* SigPattern */ bmp_sig_pattern,
3180 /* SigMask */ bmp_sig_mask,
3181 },
3182 encode_image_BMP,
3183 decode_image_bmp
3184 },
3185 {
3186 { /* JPEG */
3187 /* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3188 /* FormatID */ { 0xb96b3caeU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3189 /* CodecName */ jpeg_codecname,
3190 /* DllName */ NULL,
3191 /* FormatDescription */ jpeg_format,
3192 /* FilenameExtension */ jpeg_extension,
3193 /* MimeType */ jpeg_mimetype,
3194 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3195 /* Version */ 1,
3196 /* SigCount */ 1,
3197 /* SigSize */ 2,
3198 /* SigPattern */ jpeg_sig_pattern,
3199 /* SigMask */ jpeg_sig_mask,
3200 },
3201 NULL,
3202 decode_image_jpeg
3203 },
3204 {
3205 { /* GIF */
3206 /* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3207 /* FormatID */ { 0xb96b3cb0U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3208 /* CodecName */ gif_codecname,
3209 /* DllName */ NULL,
3210 /* FormatDescription */ gif_format,
3211 /* FilenameExtension */ gif_extension,
3212 /* MimeType */ gif_mimetype,
3213 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3214 /* Version */ 1,
3215 /* SigCount */ 1,
3216 /* SigSize */ 4,
3217 /* SigPattern */ gif_sig_pattern,
3218 /* SigMask */ gif_sig_mask,
3219 },
3220 NULL,
3221 decode_image_gif
3222 },
3223 {
3224 { /* TIFF */
3225 /* Clsid */ { 0x557cf405, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3226 /* FormatID */ { 0xb96b3cb1U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3227 /* CodecName */ tiff_codecname,
3228 /* DllName */ NULL,
3229 /* FormatDescription */ tiff_format,
3230 /* FilenameExtension */ tiff_extension,
3231 /* MimeType */ tiff_mimetype,
3232 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3233 /* Version */ 1,
3234 /* SigCount */ 2,
3235 /* SigSize */ 4,
3236 /* SigPattern */ tiff_sig_pattern,
3237 /* SigMask */ tiff_sig_mask,
3238 },
3239 NULL,
3240 decode_image_tiff
3241 },
3242 {
3243 { /* EMF */
3244 /* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3245 /* FormatID */ { 0xb96b3cacU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3246 /* CodecName */ emf_codecname,
3247 /* DllName */ NULL,
3248 /* FormatDescription */ emf_format,
3249 /* FilenameExtension */ emf_extension,
3250 /* MimeType */ emf_mimetype,
3251 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3252 /* Version */ 1,
3253 /* SigCount */ 1,
3254 /* SigSize */ 4,
3255 /* SigPattern */ emf_sig_pattern,
3256 /* SigMask */ emf_sig_mask,
3257 },
3258 NULL,
3259 decode_image_olepicture_metafile
3260 },
3261 {
3262 { /* WMF */
3263 /* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3264 /* FormatID */ { 0xb96b3cadU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3265 /* CodecName */ wmf_codecname,
3266 /* DllName */ NULL,
3267 /* FormatDescription */ wmf_format,
3268 /* FilenameExtension */ wmf_extension,
3269 /* MimeType */ wmf_mimetype,
3270 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3271 /* Version */ 1,
3272 /* SigCount */ 1,
3273 /* SigSize */ 2,
3274 /* SigPattern */ wmf_sig_pattern,
3275 /* SigMask */ wmf_sig_mask,
3276 },
3277 NULL,
3278 decode_image_olepicture_metafile
3279 },
3280 {
3281 { /* PNG */
3282 /* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3283 /* FormatID */ { 0xb96b3cafU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3284 /* CodecName */ png_codecname,
3285 /* DllName */ NULL,
3286 /* FormatDescription */ png_format,
3287 /* FilenameExtension */ png_extension,
3288 /* MimeType */ png_mimetype,
3289 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3290 /* Version */ 1,
3291 /* SigCount */ 1,
3292 /* SigSize */ 8,
3293 /* SigPattern */ png_sig_pattern,
3294 /* SigMask */ png_sig_mask,
3295 },
3296 encode_image_png,
3297 decode_image_png
3298 },
3299 {
3300 { /* ICO */
3301 /* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3302 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3303 /* CodecName */ ico_codecname,
3304 /* DllName */ NULL,
3305 /* FormatDescription */ ico_format,
3306 /* FilenameExtension */ ico_extension,
3307 /* MimeType */ ico_mimetype,
3308 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3309 /* Version */ 1,
3310 /* SigCount */ 1,
3311 /* SigSize */ 4,
3312 /* SigPattern */ ico_sig_pattern,
3313 /* SigMask */ ico_sig_mask,
3314 },
3315 NULL,
3316 decode_image_icon
3317 },
3318 };
3319
3320 /*****************************************************************************
3321 * GdipGetImageDecodersSize [GDIPLUS.@]
3322 */
3323 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
3324 {
3325 int decoder_count=0;
3326 int i;
3327 TRACE("%p %p\n", numDecoders, size);
3328
3329 if (!numDecoders || !size)
3330 return InvalidParameter;
3331
3332 for (i=0; i<NUM_CODECS; i++)
3333 {
3334 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3335 decoder_count++;
3336 }
3337
3338 *numDecoders = decoder_count;
3339 *size = decoder_count * sizeof(ImageCodecInfo);
3340
3341 return Ok;
3342 }
3343
3344 /*****************************************************************************
3345 * GdipGetImageDecoders [GDIPLUS.@]
3346 */
3347 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
3348 {
3349 int i, decoder_count=0;
3350 TRACE("%u %u %p\n", numDecoders, size, decoders);
3351
3352 if (!decoders ||
3353 size != numDecoders * sizeof(ImageCodecInfo))
3354 return GenericError;
3355
3356 for (i=0; i<NUM_CODECS; i++)
3357 {
3358 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3359 {
3360 if (decoder_count == numDecoders) return GenericError;
3361 memcpy(&decoders[decoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3362 decoder_count++;
3363 }
3364 }
3365
3366 if (decoder_count < numDecoders) return GenericError;
3367
3368 return Ok;
3369 }
3370
3371 /*****************************************************************************
3372 * GdipGetImageEncodersSize [GDIPLUS.@]
3373 */
3374 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
3375 {
3376 int encoder_count=0;
3377 int i;
3378 TRACE("%p %p\n", numEncoders, size);
3379
3380 if (!numEncoders || !size)
3381 return InvalidParameter;
3382
3383 for (i=0; i<NUM_CODECS; i++)
3384 {
3385 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3386 encoder_count++;
3387 }
3388
3389 *numEncoders = encoder_count;
3390 *size = encoder_count * sizeof(ImageCodecInfo);
3391
3392 return Ok;
3393 }
3394
3395 /*****************************************************************************
3396 * GdipGetImageEncoders [GDIPLUS.@]
3397 */
3398 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
3399 {
3400 int i, encoder_count=0;
3401 TRACE("%u %u %p\n", numEncoders, size, encoders);
3402
3403 if (!encoders ||
3404 size != numEncoders * sizeof(ImageCodecInfo))
3405 return GenericError;
3406
3407 for (i=0; i<NUM_CODECS; i++)
3408 {
3409 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3410 {
3411 if (encoder_count == numEncoders) return GenericError;
3412 memcpy(&encoders[encoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3413 encoder_count++;
3414 }
3415 }
3416
3417 if (encoder_count < numEncoders) return GenericError;
3418
3419 return Ok;
3420 }
3421
3422 GpStatus WINGDIPAPI GdipGetEncoderParameterListSize(GpImage *image,
3423 GDIPCONST CLSID* clsidEncoder, UINT *size)
3424 {
3425 static int calls;
3426
3427 TRACE("(%p,%s,%p)\n", image, debugstr_guid(clsidEncoder), size);
3428
3429 if(!(calls++))
3430 FIXME("not implemented\n");
3431
3432 *size = 0;
3433
3434 return NotImplemented;
3435 }
3436
3437 /*****************************************************************************
3438 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
3439 */
3440 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
3441 {
3442 BITMAP bm;
3443 GpStatus retval;
3444 PixelFormat format;
3445 BitmapData lockeddata;
3446 INT y;
3447
3448 TRACE("%p %p %p\n", hbm, hpal, bitmap);
3449
3450 if(!hbm || !bitmap)
3451 return InvalidParameter;
3452
3453 /* TODO: Support for device-dependent bitmaps */
3454 if(hpal){
3455 FIXME("no support for device-dependent bitmaps\n");
3456 return NotImplemented;
3457 }
3458
3459 if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
3460 return InvalidParameter;
3461
3462 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
3463 switch(bm.bmBitsPixel) {
3464 case 1:
3465 format = PixelFormat1bppIndexed;
3466 break;
3467 case 4:
3468 format = PixelFormat4bppIndexed;
3469 break;
3470 case 8:
3471 format = PixelFormat8bppIndexed;
3472 break;
3473 case 24:
3474 format = PixelFormat24bppRGB;
3475 break;
3476 case 32:
3477 format = PixelFormat32bppRGB;
3478 break;
3479 case 48:
3480 format = PixelFormat48bppRGB;
3481 break;
3482 default:
3483 FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
3484 return InvalidParameter;
3485 }
3486
3487 retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, 0,
3488 format, NULL, bitmap);
3489
3490 if (retval == Ok)
3491 {
3492 retval = GdipBitmapLockBits(*bitmap, NULL, ImageLockModeWrite,
3493 format, &lockeddata);
3494 if (retval == Ok)
3495 {
3496 if (bm.bmBits)
3497 {
3498 for (y=0; y<bm.bmHeight; y++)
3499 {
3500 memcpy((BYTE*)lockeddata.Scan0+lockeddata.Stride*y,
3501 (BYTE*)bm.bmBits+bm.bmWidthBytes*(bm.bmHeight-1-y),
3502 bm.bmWidthBytes);
3503 }
3504 }
3505 else
3506 {
3507 HDC hdc;
3508 HBITMAP oldhbm;
3509 BITMAPINFO *pbmi;
3510 INT src_height, dst_stride;
3511 BYTE *dst_bits;
3512
3513 hdc = CreateCompatibleDC(NULL);
3514 oldhbm = SelectObject(hdc, hbm);
3515
3516 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
3517
3518 if (pbmi)
3519 {
3520 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
3521 pbmi->bmiHeader.biBitCount = 0;
3522
3523 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
3524
3525 src_height = abs(pbmi->bmiHeader.biHeight);
3526
3527 if (pbmi->bmiHeader.biHeight > 0)
3528 {
3529 dst_bits = (BYTE*)lockeddata.Scan0+lockeddata.Stride*(src_height-1);
3530 dst_stride = -lockeddata.Stride;
3531 }
3532 else
3533 {
3534 dst_bits = lockeddata.Scan0;
3535 dst_stride = lockeddata.Stride;
3536 }
3537
3538 for (y=0; y<src_height; y++)
3539 {
3540 GetDIBits(hdc, hbm, y, 1, dst_bits+dst_stride*y,
3541 pbmi, DIB_RGB_COLORS);
3542 }
3543
3544 GdipFree(pbmi);
3545 }
3546 else
3547 retval = OutOfMemory;
3548
3549 SelectObject(hdc, oldhbm);
3550 DeleteDC(hdc);
3551 }
3552
3553 GdipBitmapUnlockBits(*bitmap, &lockeddata);
3554 }
3555 }
3556
3557 return retval;
3558 }
3559
3560 GpStatus WINGDIPAPI GdipDeleteEffect(CGpEffect *effect)
3561 {
3562 FIXME("(%p): stub\n", effect);
3563 /* note: According to Jose Roca's GDI+ Docs, this is not implemented
3564 * in Windows's gdiplus */
3565 return NotImplemented;
3566 }
3567
3568 /*****************************************************************************
3569 * GdipSetEffectParameters [GDIPLUS.@]
3570 */
3571 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
3572 const VOID *params, const UINT size)
3573 {
3574 static int calls;
3575
3576 TRACE("(%p,%p,%u)\n", effect, params, size);
3577
3578 if(!(calls++))
3579 FIXME("not implemented\n");
3580
3581 return NotImplemented;
3582 }
3583
3584 /*****************************************************************************
3585 * GdipGetImageFlags [GDIPLUS.@]
3586 */
3587 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
3588 {
3589 TRACE("%p %p\n", image, flags);
3590
3591 if(!image || !flags)
3592 return InvalidParameter;
3593
3594 *flags = image->flags;
3595
3596 return Ok;
3597 }
3598
3599 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
3600 {
3601 TRACE("(%d, %p)\n", control, param);
3602
3603 switch(control){
3604 case TestControlForceBilinear:
3605 if(param)
3606 FIXME("TestControlForceBilinear not handled\n");
3607 break;
3608 case TestControlNoICM:
3609 if(param)
3610 FIXME("TestControlNoICM not handled\n");
3611 break;
3612 case TestControlGetBuildNumber:
3613 *((DWORD*)param) = 3102;
3614 break;
3615 }
3616
3617 return Ok;
3618 }
3619
3620 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
3621 HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
3622 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
3623 GpMetafile **metafile)
3624 {
3625 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3626 frameUnit, debugstr_w(desc), metafile);
3627
3628 return NotImplemented;
3629 }
3630
3631 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
3632 GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
3633 GDIPCONST WCHAR *desc, GpMetafile **metafile)
3634 {
3635 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3636 frameUnit, debugstr_w(desc), metafile);
3637
3638 return NotImplemented;
3639 }
3640
3641 GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
3642 {
3643 TRACE("%p\n", image);
3644
3645 return Ok;
3646 }
3647
3648 /*****************************************************************************
3649 * GdipGetImageThumbnail [GDIPLUS.@]
3650 */
3651 GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT height,
3652 GpImage **ret_image, GetThumbnailImageAbort cb,
3653 VOID * cb_data)
3654 {
3655 GpStatus stat;
3656 GpGraphics *graphics;
3657 UINT srcwidth, srcheight;
3658
3659 TRACE("(%p %u %u %p %p %p)\n",
3660 image, width, height, ret_image, cb, cb_data);
3661
3662 if (!image || !ret_image)
3663 return InvalidParameter;
3664
3665 if (!width) width = 120;
3666 if (!height) height = 120;
3667
3668 GdipGetImageWidth(image, &srcwidth);
3669 GdipGetImageHeight(image, &srcheight);
3670
3671 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB,
3672 NULL, (GpBitmap**)ret_image);
3673
3674 if (stat == Ok)
3675 {
3676 stat = GdipGetImageGraphicsContext(*ret_image, &graphics);
3677
3678 if (stat == Ok)
3679 {
3680 stat = GdipDrawImageRectRectI(graphics, image,
3681 0, 0, width, height, 0, 0, srcwidth, srcheight, UnitPixel,
3682 NULL, NULL, NULL);
3683
3684 GdipDeleteGraphics(graphics);
3685 }
3686
3687 if (stat != Ok)
3688 {
3689 GdipDisposeImage(*ret_image);
3690 *ret_image = NULL;
3691 }
3692 }
3693
3694 return stat;
3695 }
3696
3697 /*****************************************************************************
3698 * GdipImageRotateFlip [GDIPLUS.@]
3699 */
3700 GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type)
3701 {
3702 GpBitmap *new_bitmap;
3703 GpBitmap *bitmap;
3704 int bpp, bytesperpixel;
3705 int rotate_90, flip_x, flip_y;
3706 int src_x_offset, src_y_offset;
3707 LPBYTE src_origin;
3708 UINT x, y, width, height;
3709 BitmapData src_lock, dst_lock;
3710 GpStatus stat;
3711
3712 TRACE("(%p, %u)\n", image, type);
3713
3714 rotate_90 = type&1;
3715 flip_x = (type&6) == 2 || (type&6) == 4;
3716 flip_y = (type&3) == 1 || (type&3) == 2;
3717
3718 if (image->type != ImageTypeBitmap)
3719 {
3720 FIXME("Not implemented for type %i\n", image->type);
3721 return NotImplemented;
3722 }
3723
3724 bitmap = (GpBitmap*)image;
3725 bpp = PIXELFORMATBPP(bitmap->format);
3726
3727 if (bpp < 8)
3728 {
3729 FIXME("Not implemented for %i bit images\n", bpp);
3730 return NotImplemented;
3731 }
3732
3733 if (rotate_90)
3734 {
3735 width = bitmap->height;
3736 height = bitmap->width;
3737 }
3738 else
3739 {
3740 width = bitmap->width;
3741 height = bitmap->height;
3742 }
3743
3744 bytesperpixel = bpp/8;
3745
3746 stat = GdipCreateBitmapFromScan0(width, height, 0, bitmap->format, NULL, &new_bitmap);
3747
3748 if (stat != Ok)
3749 return stat;
3750
3751 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, &src_lock);
3752
3753 if (stat == Ok)
3754 {
3755 stat = GdipBitmapLockBits(new_bitmap, NULL, ImageLockModeWrite, bitmap->format, &dst_lock);
3756
3757 if (stat == Ok)
3758 {
3759 LPBYTE src_row, src_pixel;
3760 LPBYTE dst_row, dst_pixel;
3761
3762 src_origin = src_lock.Scan0;
3763 if (flip_x) src_origin += bytesperpixel * (bitmap->width - 1);
3764 if (flip_y) src_origin += src_lock.Stride * (bitmap->height - 1);
3765
3766 if (rotate_90)
3767 {
3768 if (flip_y) src_x_offset = -src_lock.Stride;
3769 else src_x_offset = src_lock.Stride;
3770 if (flip_x) src_y_offset = -bytesperpixel;
3771 else src_y_offset = bytesperpixel;
3772 }
3773 else
3774 {
3775 if (flip_x) src_x_offset = -bytesperpixel;
3776 else src_x_offset = bytesperpixel;
3777 if (flip_y) src_y_offset = -src_lock.Stride;
3778 else src_y_offset = src_lock.Stride;
3779 }
3780
3781 src_row = src_origin;
3782 dst_row = dst_lock.Scan0;
3783 for (y=0; y<height; y++)
3784 {
3785 src_pixel = src_row;
3786 dst_pixel = dst_row;
3787 for (x=0; x<width; x++)
3788 {
3789 /* FIXME: This could probably be faster without memcpy. */
3790 memcpy(dst_pixel, src_pixel, bytesperpixel);
3791 dst_pixel += bytesperpixel;
3792 src_pixel += src_x_offset;
3793 }
3794 src_row += src_y_offset;
3795 dst_row += dst_lock.Stride;
3796 }
3797
3798 GdipBitmapUnlockBits(new_bitmap, &dst_lock);
3799 }
3800
3801 GdipBitmapUnlockBits(bitmap, &src_lock);
3802 }
3803
3804 if (stat == Ok)
3805 move_bitmap(bitmap, new_bitmap, FALSE);
3806 else
3807 GdipDisposeImage((GpImage*)new_bitmap);
3808
3809 return stat;
3810 }
3811
3812 /*****************************************************************************
3813 * GdipConvertToEmfPlusToFile [GDIPLUS.@]
3814 */
3815
3816 GpStatus WINGDIPAPI GdipConvertToEmfPlusToFile(const GpGraphics* refGraphics,
3817 GpMetafile* metafile, BOOL* conversionSuccess,
3818 const WCHAR* filename, EmfType emfType,
3819 const WCHAR* description, GpMetafile** out_metafile)
3820 {
3821 FIXME("stub: %p, %p, %p, %p, %u, %p, %p\n", refGraphics, metafile, conversionSuccess, filename, emfType, description, out_metafile);
3822 return NotImplemented;
3823 }
Maarten's multimedia branch