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winex11: Consider zero-size windows mapped even when they are positioned at 0,0.
[wine/multimedia.git] / dlls / gdiplus / image.c
blobaba836691961cc77aa92ee6e080860a369ad3de9
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 UINT get_palette_index(BYTE r, BYTE g, BYTE b, BYTE a, GpBitmap* bitmap) {
300 BYTE index = 0;
301 int best_distance = 0x7fff;
302 int distance;
303 int i;
304 /* This algorithm scans entire palette,
305 computes difference from desired color (all color components have equal weight)
306 and returns the index of color with least difference.
307
308 Note: Maybe it could be replaced with a better algorithm for better image quality
309 and performance, though better algorithm would probably need some pre-built lookup
310 tables and thus may actually be slower if this method is called only few times per
311 every image.
312 */
313 for(i=0;i<bitmap->image.palette_size;i++) {
314 ARGB color=bitmap->image.palette_entries[i];
315 distance=abs(b-(color & 0xff)) + abs(g-(color>>8 & 0xff)) + abs(r-(color>>16 & 0xff)) + abs(a-(color>>24 & 0xff));
316 if (distance<best_distance) {
317 best_distance=distance;
318 index=i;
319 }
320 }
321 return index;
322 }
323
324 static inline void setpixel_8bppIndexed(BYTE r, BYTE g, BYTE b, BYTE a,
325 BYTE *row, UINT x, GpBitmap* bitmap)
326 {
327 BYTE index = get_palette_index(r,g,b,a,bitmap);
328 row[x]=index;
329 }
330
331 static inline void setpixel_1bppIndexed(BYTE r, BYTE g, BYTE b, BYTE a,
332 BYTE *row, UINT x, GpBitmap* bitmap)
333 {
334 row[x/8] = (row[x/8] & ~(1<<(7-x%8))) | (get_palette_index(r,g,b,a,bitmap)<<(7-x%8));
335 }
336
337 static inline void setpixel_4bppIndexed(BYTE r, BYTE g, BYTE b, BYTE a,
338 BYTE *row, UINT x, GpBitmap* bitmap)
339 {
340 if (x & 1)
341 row[x/2] = (row[x/2] & 0xf0) | get_palette_index(r,g,b,a,bitmap);
342 else
343 row[x/2] = (row[x/2] & 0x0f) | get_palette_index(r,g,b,a,bitmap)<<4;
344 }
345
346 static inline void setpixel_16bppGrayScale(BYTE r, BYTE g, BYTE b, BYTE a,
347 BYTE *row, UINT x)
348 {
349 *((WORD*)(row)+x) = (r+g+b)*85;
350 }
351
352 static inline void setpixel_16bppRGB555(BYTE r, BYTE g, BYTE b, BYTE a,
353 BYTE *row, UINT x)
354 {
355 *((WORD*)(row)+x) = (r<<7&0x7c00)|
356 (g<<2&0x03e0)|
357 (b>>3&0x001f);
358 }
359
360 static inline void setpixel_16bppRGB565(BYTE r, BYTE g, BYTE b, BYTE a,
361 BYTE *row, UINT x)
362 {
363 *((WORD*)(row)+x) = (r<<8&0xf800)|
364 (g<<3&0x07e0)|
365 (b>>3&0x001f);
366 }
367
368 static inline void setpixel_16bppARGB1555(BYTE r, BYTE g, BYTE b, BYTE a,
369 BYTE *row, UINT x)
370 {
371 *((WORD*)(row)+x) = (a<<8&0x8000)|
372 (r<<7&0x7c00)|
373 (g<<2&0x03e0)|
374 (b>>3&0x001f);
375 }
376
377 static inline void setpixel_24bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
378 BYTE *row, UINT x)
379 {
380 row[x*3+2] = r;
381 row[x*3+1] = g;
382 row[x*3] = b;
383 }
384
385 static inline void setpixel_32bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
386 BYTE *row, UINT x)
387 {
388 *((DWORD*)(row)+x) = (r<<16)|(g<<8)|b;
389 }
390
391 static inline void setpixel_32bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
392 BYTE *row, UINT x)
393 {
394 *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
395 }
396
397 static inline void setpixel_32bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
398 BYTE *row, UINT x)
399 {
400 r = r * a / 255;
401 g = g * a / 255;
402 b = b * a / 255;
403 *((DWORD*)(row)+x) = (a<<24)|(r<<16)|(g<<8)|b;
404 }
405
406 static inline void setpixel_48bppRGB(BYTE r, BYTE g, BYTE b, BYTE a,
407 BYTE *row, UINT x)
408 {
409 row[x*6+5] = row[x*6+4] = r;
410 row[x*6+3] = row[x*6+2] = g;
411 row[x*6+1] = row[x*6] = b;
412 }
413
414 static inline void setpixel_64bppARGB(BYTE r, BYTE g, BYTE b, BYTE a,
415 BYTE *row, UINT x)
416 {
417 UINT64 a64=a, r64=r, g64=g, b64=b;
418 *((UINT64*)(row)+x) = (a64<<56)|(a64<<48)|(r64<<40)|(r64<<32)|(g64<<24)|(g64<<16)|(b64<<8)|b64;
419 }
420
421 static inline void setpixel_64bppPARGB(BYTE r, BYTE g, BYTE b, BYTE a,
422 BYTE *row, UINT x)
423 {
424 UINT64 a64, r64, g64, b64;
425 a64 = a * 257;
426 r64 = r * a / 255;
427 g64 = g * a / 255;
428 b64 = b * a / 255;
429 *((UINT64*)(row)+x) = (a64<<48)|(r64<<32)|(g64<<16)|b64;
430 }
431
432 GpStatus WINGDIPAPI GdipBitmapSetPixel(GpBitmap* bitmap, INT x, INT y,
433 ARGB color)
434 {
435 BYTE a, r, g, b;
436 BYTE *row;
437 TRACE("bitmap:%p, x:%d, y:%d, color:%08x\n", bitmap, x, y, color);
438
439 if(!bitmap || x < 0 || y < 0 || x >= bitmap->width || y >= bitmap->height)
440 return InvalidParameter;
441
442 a = color>>24;
443 r = color>>16;
444 g = color>>8;
445 b = color;
446
447 row = bitmap->bits + bitmap->stride * y;
448
449 switch (bitmap->format)
450 {
451 case PixelFormat16bppGrayScale:
452 setpixel_16bppGrayScale(r,g,b,a,row,x);
453 break;
454 case PixelFormat16bppRGB555:
455 setpixel_16bppRGB555(r,g,b,a,row,x);
456 break;
457 case PixelFormat16bppRGB565:
458 setpixel_16bppRGB565(r,g,b,a,row,x);
459 break;
460 case PixelFormat16bppARGB1555:
461 setpixel_16bppARGB1555(r,g,b,a,row,x);
462 break;
463 case PixelFormat24bppRGB:
464 setpixel_24bppRGB(r,g,b,a,row,x);
465 break;
466 case PixelFormat32bppRGB:
467 setpixel_32bppRGB(r,g,b,a,row,x);
468 break;
469 case PixelFormat32bppARGB:
470 setpixel_32bppARGB(r,g,b,a,row,x);
471 break;
472 case PixelFormat32bppPARGB:
473 setpixel_32bppPARGB(r,g,b,a,row,x);
474 break;
475 case PixelFormat48bppRGB:
476 setpixel_48bppRGB(r,g,b,a,row,x);
477 break;
478 case PixelFormat64bppARGB:
479 setpixel_64bppARGB(r,g,b,a,row,x);
480 break;
481 case PixelFormat64bppPARGB:
482 setpixel_64bppPARGB(r,g,b,a,row,x);
483 break;
484 case PixelFormat8bppIndexed:
485 setpixel_8bppIndexed(r,g,b,a,row,x,bitmap);
486 break;
487 case PixelFormat4bppIndexed:
488 setpixel_4bppIndexed(r,g,b,a,row,x,bitmap);
489 break;
490 case PixelFormat1bppIndexed:
491 setpixel_1bppIndexed(r,g,b,a,row,x,bitmap);
492 break;
493 default:
494 FIXME("not implemented for format 0x%x\n", bitmap->format);
495 return NotImplemented;
496 }
497
498 return Ok;
499 }
500
501 GpStatus convert_pixels(INT width, INT height,
502 INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
503 INT src_stride, const BYTE *src_bits, PixelFormat src_format, ARGB *src_palette)
504 {
505 INT x, y;
506
507 if (src_format == dst_format ||
508 (dst_format == PixelFormat32bppRGB && PIXELFORMATBPP(src_format) == 32))
509 {
510 UINT widthbytes = PIXELFORMATBPP(src_format) * width / 8;
511 for (y=0; y<height; y++)
512 memcpy(dst_bits+dst_stride*y, src_bits+src_stride*y, widthbytes);
513 return Ok;
514 }
515
516 #define convert_indexed_to_rgb(getpixel_function, setpixel_function) do { \
517 for (x=0; x<width; x++) \
518 for (y=0; y<height; y++) { \
519 BYTE index; \
520 BYTE *color; \
521 getpixel_function(&index, src_bits+src_stride*y, x); \
522 color = (BYTE*)(&src_palette[index]); \
523 setpixel_function(color[2], color[1], color[0], color[3], dst_bits+dst_stride*y, x); \
524 } \
525 return Ok; \
526 } while (0);
527
528 #define convert_rgb_to_rgb(getpixel_function, setpixel_function) do { \
529 for (x=0; x<width; x++) \
530 for (y=0; y<height; y++) { \
531 BYTE r, g, b, a; \
532 getpixel_function(&r, &g, &b, &a, src_bits+src_stride*y, x); \
533 setpixel_function(r, g, b, a, dst_bits+dst_stride*y, x); \
534 } \
535 return Ok; \
536 } while (0);
537
538 switch (src_format)
539 {
540 case PixelFormat1bppIndexed:
541 switch (dst_format)
542 {
543 case PixelFormat16bppGrayScale:
544 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppGrayScale);
545 case PixelFormat16bppRGB555:
546 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB555);
547 case PixelFormat16bppRGB565:
548 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB565);
549 case PixelFormat16bppARGB1555:
550 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppARGB1555);
551 case PixelFormat24bppRGB:
552 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_24bppRGB);
553 case PixelFormat32bppRGB:
554 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppRGB);
555 case PixelFormat32bppARGB:
556 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppARGB);
557 case PixelFormat32bppPARGB:
558 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppPARGB);
559 case PixelFormat48bppRGB:
560 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_48bppRGB);
561 case PixelFormat64bppARGB:
562 convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_64bppARGB);
563 default:
564 break;
565 }
566 break;
567 case PixelFormat4bppIndexed:
568 switch (dst_format)
569 {
570 case PixelFormat16bppGrayScale:
571 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppGrayScale);
572 case PixelFormat16bppRGB555:
573 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB555);
574 case PixelFormat16bppRGB565:
575 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB565);
576 case PixelFormat16bppARGB1555:
577 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppARGB1555);
578 case PixelFormat24bppRGB:
579 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_24bppRGB);
580 case PixelFormat32bppRGB:
581 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppRGB);
582 case PixelFormat32bppARGB:
583 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppARGB);
584 case PixelFormat32bppPARGB:
585 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppPARGB);
586 case PixelFormat48bppRGB:
587 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_48bppRGB);
588 case PixelFormat64bppARGB:
589 convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_64bppARGB);
590 default:
591 break;
592 }
593 break;
594 case PixelFormat8bppIndexed:
595 switch (dst_format)
596 {
597 case PixelFormat16bppGrayScale:
598 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppGrayScale);
599 case PixelFormat16bppRGB555:
600 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB555);
601 case PixelFormat16bppRGB565:
602 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB565);
603 case PixelFormat16bppARGB1555:
604 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppARGB1555);
605 case PixelFormat24bppRGB:
606 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_24bppRGB);
607 case PixelFormat32bppRGB:
608 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppRGB);
609 case PixelFormat32bppARGB:
610 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppARGB);
611 case PixelFormat32bppPARGB:
612 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppPARGB);
613 case PixelFormat48bppRGB:
614 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_48bppRGB);
615 case PixelFormat64bppARGB:
616 convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_64bppARGB);
617 default:
618 break;
619 }
620 break;
621 case PixelFormat16bppGrayScale:
622 switch (dst_format)
623 {
624 case PixelFormat16bppRGB555:
625 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB555);
626 case PixelFormat16bppRGB565:
627 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB565);
628 case PixelFormat16bppARGB1555:
629 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppARGB1555);
630 case PixelFormat24bppRGB:
631 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_24bppRGB);
632 case PixelFormat32bppRGB:
633 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppRGB);
634 case PixelFormat32bppARGB:
635 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppARGB);
636 case PixelFormat32bppPARGB:
637 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppPARGB);
638 case PixelFormat48bppRGB:
639 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_48bppRGB);
640 case PixelFormat64bppARGB:
641 convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_64bppARGB);
642 default:
643 break;
644 }
645 break;
646 case PixelFormat16bppRGB555:
647 switch (dst_format)
648 {
649 case PixelFormat16bppGrayScale:
650 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppGrayScale);
651 case PixelFormat16bppRGB565:
652 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppRGB565);
653 case PixelFormat16bppARGB1555:
654 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppARGB1555);
655 case PixelFormat24bppRGB:
656 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_24bppRGB);
657 case PixelFormat32bppRGB:
658 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppRGB);
659 case PixelFormat32bppARGB:
660 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppARGB);
661 case PixelFormat32bppPARGB:
662 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppPARGB);
663 case PixelFormat48bppRGB:
664 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_48bppRGB);
665 case PixelFormat64bppARGB:
666 convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_64bppARGB);
667 default:
668 break;
669 }
670 break;
671 case PixelFormat16bppRGB565:
672 switch (dst_format)
673 {
674 case PixelFormat16bppGrayScale:
675 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppGrayScale);
676 case PixelFormat16bppRGB555:
677 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppRGB555);
678 case PixelFormat16bppARGB1555:
679 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppARGB1555);
680 case PixelFormat24bppRGB:
681 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_24bppRGB);
682 case PixelFormat32bppRGB:
683 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppRGB);
684 case PixelFormat32bppARGB:
685 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppARGB);
686 case PixelFormat32bppPARGB:
687 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppPARGB);
688 case PixelFormat48bppRGB:
689 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_48bppRGB);
690 case PixelFormat64bppARGB:
691 convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_64bppARGB);
692 default:
693 break;
694 }
695 break;
696 case PixelFormat16bppARGB1555:
697 switch (dst_format)
698 {
699 case PixelFormat16bppGrayScale:
700 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppGrayScale);
701 case PixelFormat16bppRGB555:
702 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB555);
703 case PixelFormat16bppRGB565:
704 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB565);
705 case PixelFormat24bppRGB:
706 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_24bppRGB);
707 case PixelFormat32bppRGB:
708 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppRGB);
709 case PixelFormat32bppARGB:
710 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppARGB);
711 case PixelFormat32bppPARGB:
712 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppPARGB);
713 case PixelFormat48bppRGB:
714 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_48bppRGB);
715 case PixelFormat64bppARGB:
716 convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_64bppARGB);
717 default:
718 break;
719 }
720 break;
721 case PixelFormat24bppRGB:
722 switch (dst_format)
723 {
724 case PixelFormat16bppGrayScale:
725 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppGrayScale);
726 case PixelFormat16bppRGB555:
727 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB555);
728 case PixelFormat16bppRGB565:
729 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB565);
730 case PixelFormat16bppARGB1555:
731 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppARGB1555);
732 case PixelFormat32bppRGB:
733 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppRGB);
734 case PixelFormat32bppARGB:
735 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppARGB);
736 case PixelFormat32bppPARGB:
737 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppPARGB);
738 case PixelFormat48bppRGB:
739 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_48bppRGB);
740 case PixelFormat64bppARGB:
741 convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_64bppARGB);
742 default:
743 break;
744 }
745 break;
746 case PixelFormat32bppRGB:
747 switch (dst_format)
748 {
749 case PixelFormat16bppGrayScale:
750 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppGrayScale);
751 case PixelFormat16bppRGB555:
752 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB555);
753 case PixelFormat16bppRGB565:
754 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB565);
755 case PixelFormat16bppARGB1555:
756 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppARGB1555);
757 case PixelFormat24bppRGB:
758 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_24bppRGB);
759 case PixelFormat32bppARGB:
760 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppARGB);
761 case PixelFormat32bppPARGB:
762 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppPARGB);
763 case PixelFormat48bppRGB:
764 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_48bppRGB);
765 case PixelFormat64bppARGB:
766 convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_64bppARGB);
767 default:
768 break;
769 }
770 break;
771 case PixelFormat32bppARGB:
772 switch (dst_format)
773 {
774 case PixelFormat16bppGrayScale:
775 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppGrayScale);
776 case PixelFormat16bppRGB555:
777 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB555);
778 case PixelFormat16bppRGB565:
779 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB565);
780 case PixelFormat16bppARGB1555:
781 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppARGB1555);
782 case PixelFormat24bppRGB:
783 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_24bppRGB);
784 case PixelFormat32bppPARGB:
785 convert_32bppARGB_to_32bppPARGB(width, height, dst_bits, dst_stride, src_bits, src_stride);
786 return Ok;
787 case PixelFormat48bppRGB:
788 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_48bppRGB);
789 case PixelFormat64bppARGB:
790 convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_64bppARGB);
791 default:
792 break;
793 }
794 break;
795 case PixelFormat32bppPARGB:
796 switch (dst_format)
797 {
798 case PixelFormat16bppGrayScale:
799 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppGrayScale);
800 case PixelFormat16bppRGB555:
801 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB555);
802 case PixelFormat16bppRGB565:
803 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB565);
804 case PixelFormat16bppARGB1555:
805 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppARGB1555);
806 case PixelFormat24bppRGB:
807 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_24bppRGB);
808 case PixelFormat32bppRGB:
809 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppRGB);
810 case PixelFormat32bppARGB:
811 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppARGB);
812 case PixelFormat48bppRGB:
813 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_48bppRGB);
814 case PixelFormat64bppARGB:
815 convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_64bppARGB);
816 default:
817 break;
818 }
819 break;
820 case PixelFormat48bppRGB:
821 switch (dst_format)
822 {
823 case PixelFormat16bppGrayScale:
824 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppGrayScale);
825 case PixelFormat16bppRGB555:
826 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB555);
827 case PixelFormat16bppRGB565:
828 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB565);
829 case PixelFormat16bppARGB1555:
830 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppARGB1555);
831 case PixelFormat24bppRGB:
832 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_24bppRGB);
833 case PixelFormat32bppRGB:
834 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppRGB);
835 case PixelFormat32bppARGB:
836 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppARGB);
837 case PixelFormat32bppPARGB:
838 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppPARGB);
839 case PixelFormat64bppARGB:
840 convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_64bppARGB);
841 default:
842 break;
843 }
844 break;
845 case PixelFormat64bppARGB:
846 switch (dst_format)
847 {
848 case PixelFormat16bppGrayScale:
849 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppGrayScale);
850 case PixelFormat16bppRGB555:
851 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB555);
852 case PixelFormat16bppRGB565:
853 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB565);
854 case PixelFormat16bppARGB1555:
855 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppARGB1555);
856 case PixelFormat24bppRGB:
857 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_24bppRGB);
858 case PixelFormat32bppRGB:
859 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppRGB);
860 case PixelFormat32bppARGB:
861 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppARGB);
862 case PixelFormat32bppPARGB:
863 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppPARGB);
864 case PixelFormat48bppRGB:
865 convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_48bppRGB);
866 default:
867 break;
868 }
869 break;
870 case PixelFormat64bppPARGB:
871 switch (dst_format)
872 {
873 case PixelFormat16bppGrayScale:
874 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppGrayScale);
875 case PixelFormat16bppRGB555:
876 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB555);
877 case PixelFormat16bppRGB565:
878 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB565);
879 case PixelFormat16bppARGB1555:
880 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppARGB1555);
881 case PixelFormat24bppRGB:
882 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_24bppRGB);
883 case PixelFormat32bppRGB:
884 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppRGB);
885 case PixelFormat32bppARGB:
886 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppARGB);
887 case PixelFormat32bppPARGB:
888 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppPARGB);
889 case PixelFormat48bppRGB:
890 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_48bppRGB);
891 case PixelFormat64bppARGB:
892 convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_64bppARGB);
893 default:
894 break;
895 }
896 break;
897 default:
898 break;
899 }
900
901 #undef convert_indexed_to_rgb
902 #undef convert_rgb_to_rgb
903
904 return NotImplemented;
905 }
906
907 /* This function returns a pointer to an array of pixels that represents the
908 * bitmap. The *entire* bitmap is locked according to the lock mode specified by
909 * flags. It is correct behavior that a user who calls this function with write
910 * privileges can write to the whole bitmap (not just the area in rect).
911 *
912 * FIXME: only used portion of format is bits per pixel. */
913 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
914 UINT flags, PixelFormat format, BitmapData* lockeddata)
915 {
916 INT bitspp = PIXELFORMATBPP(format);
917 GpRect act_rect; /* actual rect to be used */
918 GpStatus stat;
919
920 TRACE("%p %p %d 0x%x %p\n", bitmap, rect, flags, format, lockeddata);
921
922 if(!lockeddata || !bitmap)
923 return InvalidParameter;
924
925 if(rect){
926 if(rect->X < 0 || rect->Y < 0 || (rect->X + rect->Width > bitmap->width) ||
927 (rect->Y + rect->Height > bitmap->height) || !flags)
928 return InvalidParameter;
929
930 act_rect = *rect;
931 }
932 else{
933 act_rect.X = act_rect.Y = 0;
934 act_rect.Width = bitmap->width;
935 act_rect.Height = bitmap->height;
936 }
937
938 if(bitmap->lockmode)
939 {
940 WARN("bitmap is already locked and cannot be locked again\n");
941 return WrongState;
942 }
943
944 if (bitmap->bits && bitmap->format == format && !(flags & ImageLockModeUserInputBuf))
945 {
946 /* no conversion is necessary; just use the bits directly */
947 lockeddata->Width = act_rect.Width;
948 lockeddata->Height = act_rect.Height;
949 lockeddata->PixelFormat = format;
950 lockeddata->Reserved = flags;
951 lockeddata->Stride = bitmap->stride;
952 lockeddata->Scan0 = bitmap->bits + (bitspp / 8) * act_rect.X +
953 bitmap->stride * act_rect.Y;
954
955 bitmap->lockmode = flags;
956 bitmap->numlocks++;
957
958 return Ok;
959 }
960
961 /* Make sure we can convert to the requested format. */
962 if (flags & ImageLockModeRead)
963 {
964 stat = convert_pixels(0, 0, 0, NULL, format, 0, NULL, bitmap->format, NULL);
965 if (stat == NotImplemented)
966 {
967 FIXME("cannot read bitmap from %x to %x\n", bitmap->format, format);
968 return NotImplemented;
969 }
970 }
971
972 /* If we're opening for writing, make sure we'll be able to write back in
973 * the original format. */
974 if (flags & ImageLockModeWrite)
975 {
976 stat = convert_pixels(0, 0, 0, NULL, bitmap->format, 0, NULL, format, NULL);
977 if (stat == NotImplemented)
978 {
979 FIXME("cannot write bitmap from %x to %x\n", format, bitmap->format);
980 return NotImplemented;
981 }
982 }
983
984 lockeddata->Width = act_rect.Width;
985 lockeddata->Height = act_rect.Height;
986 lockeddata->PixelFormat = format;
987 lockeddata->Reserved = flags;
988
989 if(!(flags & ImageLockModeUserInputBuf))
990 {
991 lockeddata->Stride = (((act_rect.Width * bitspp + 7) / 8) + 3) & ~3;
992
993 bitmap->bitmapbits = GdipAlloc(lockeddata->Stride * act_rect.Height);
994
995 if (!bitmap->bitmapbits) return OutOfMemory;
996
997 lockeddata->Scan0 = bitmap->bitmapbits;
998 }
999
1000 if (flags & ImageLockModeRead)
1001 {
1002 static int fixme=0;
1003
1004 if (!fixme && (PIXELFORMATBPP(bitmap->format) * act_rect.X) % 8 != 0)
1005 {
1006 FIXME("Cannot copy rows that don't start at a whole byte.\n");
1007 fixme = 1;
1008 }
1009
1010 stat = convert_pixels(act_rect.Width, act_rect.Height,
1011 lockeddata->Stride, lockeddata->Scan0, format,
1012 bitmap->stride,
1013 bitmap->bits + bitmap->stride * act_rect.Y + PIXELFORMATBPP(bitmap->format) * act_rect.X / 8,
1014 bitmap->format, bitmap->image.palette_entries);
1015
1016 if (stat != Ok)
1017 {
1018 GdipFree(bitmap->bitmapbits);
1019 bitmap->bitmapbits = NULL;
1020 return stat;
1021 }
1022 }
1023
1024 bitmap->lockmode = flags;
1025 bitmap->numlocks++;
1026 bitmap->lockx = act_rect.X;
1027 bitmap->locky = act_rect.Y;
1028
1029 return Ok;
1030 }
1031
1032 GpStatus WINGDIPAPI GdipBitmapSetResolution(GpBitmap* bitmap, REAL xdpi, REAL ydpi)
1033 {
1034 TRACE("(%p, %.2f, %.2f)\n", bitmap, xdpi, ydpi);
1035
1036 if (!bitmap || xdpi == 0.0 || ydpi == 0.0)
1037 return InvalidParameter;
1038
1039 bitmap->image.xres = xdpi;
1040 bitmap->image.yres = ydpi;
1041
1042 return Ok;
1043 }
1044
1045 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
1046 BitmapData* lockeddata)
1047 {
1048 GpStatus stat;
1049 static int fixme=0;
1050
1051 TRACE("(%p,%p)\n", bitmap, lockeddata);
1052
1053 if(!bitmap || !lockeddata)
1054 return InvalidParameter;
1055
1056 if(!bitmap->lockmode)
1057 return WrongState;
1058
1059 if(!(lockeddata->Reserved & ImageLockModeWrite)){
1060 if(!(--bitmap->numlocks))
1061 bitmap->lockmode = 0;
1062
1063 GdipFree(bitmap->bitmapbits);
1064 bitmap->bitmapbits = NULL;
1065 return Ok;
1066 }
1067
1068 if (!bitmap->bitmapbits && !(lockeddata->Reserved & ImageLockModeUserInputBuf))
1069 {
1070 /* we passed a direct reference; no need to do anything */
1071 bitmap->lockmode = 0;
1072 bitmap->numlocks = 0;
1073 return Ok;
1074 }
1075
1076 if (!fixme && (PIXELFORMATBPP(bitmap->format) * bitmap->lockx) % 8 != 0)
1077 {
1078 FIXME("Cannot copy rows that don't start at a whole byte.\n");
1079 fixme = 1;
1080 }
1081
1082 stat = convert_pixels(lockeddata->Width, lockeddata->Height,
1083 bitmap->stride,
1084 bitmap->bits + bitmap->stride * bitmap->locky + PIXELFORMATBPP(bitmap->format) * bitmap->lockx / 8,
1085 bitmap->format,
1086 lockeddata->Stride, lockeddata->Scan0, lockeddata->PixelFormat, NULL);
1087
1088 if (stat != Ok)
1089 {
1090 ERR("failed to convert pixels; this should never happen\n");
1091 }
1092
1093 GdipFree(bitmap->bitmapbits);
1094 bitmap->bitmapbits = NULL;
1095 bitmap->lockmode = 0;
1096 bitmap->numlocks = 0;
1097
1098 return stat;
1099 }
1100
1101 GpStatus WINGDIPAPI GdipCloneBitmapArea(REAL x, REAL y, REAL width, REAL height,
1102 PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
1103 {
1104 BitmapData lockeddata_src, lockeddata_dst;
1105 int i;
1106 UINT row_size;
1107 Rect area;
1108 GpStatus stat;
1109
1110 TRACE("(%f,%f,%f,%f,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
1111
1112 if (!srcBitmap || !dstBitmap || srcBitmap->image.type != ImageTypeBitmap ||
1113 x < 0 || y < 0 ||
1114 x + width > srcBitmap->width || y + height > srcBitmap->height)
1115 {
1116 TRACE("<-- InvalidParameter\n");
1117 return InvalidParameter;
1118 }
1119
1120 if (format == PixelFormatDontCare)
1121 format = srcBitmap->format;
1122
1123 area.X = roundr(x);
1124 area.Y = roundr(y);
1125 area.Width = roundr(width);
1126 area.Height = roundr(height);
1127
1128 stat = GdipBitmapLockBits(srcBitmap, &area, ImageLockModeRead, format,
1129 &lockeddata_src);
1130 if (stat != Ok) return stat;
1131
1132 stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
1133 0, lockeddata_src.PixelFormat, NULL, dstBitmap);
1134 if (stat == Ok)
1135 {
1136 stat = GdipBitmapLockBits(*dstBitmap, NULL, ImageLockModeWrite,
1137 lockeddata_src.PixelFormat, &lockeddata_dst);
1138
1139 if (stat == Ok)
1140 {
1141 /* copy the image data */
1142 row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
1143 for (i=0; i<lockeddata_src.Height; i++)
1144 memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
1145 (BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
1146 row_size);
1147
1148 GdipBitmapUnlockBits(*dstBitmap, &lockeddata_dst);
1149 }
1150
1151 if (stat != Ok)
1152 GdipDisposeImage((GpImage*)*dstBitmap);
1153 }
1154
1155 GdipBitmapUnlockBits(srcBitmap, &lockeddata_src);
1156
1157 if (stat != Ok)
1158 {
1159 *dstBitmap = NULL;
1160 }
1161
1162 return stat;
1163 }
1164
1165 GpStatus WINGDIPAPI GdipCloneBitmapAreaI(INT x, INT y, INT width, INT height,
1166 PixelFormat format, GpBitmap* srcBitmap, GpBitmap** dstBitmap)
1167 {
1168 TRACE("(%i,%i,%i,%i,0x%x,%p,%p)\n", x, y, width, height, format, srcBitmap, dstBitmap);
1169
1170 return GdipCloneBitmapArea(x, y, width, height, format, srcBitmap, dstBitmap);
1171 }
1172
1173 GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
1174 {
1175 GpStatus stat = GenericError;
1176
1177 TRACE("%p, %p\n", image, cloneImage);
1178
1179 if (!image || !cloneImage)
1180 return InvalidParameter;
1181
1182 if (image->picture)
1183 {
1184 IStream* stream;
1185 HRESULT hr;
1186 INT size;
1187 LARGE_INTEGER move;
1188
1189 hr = CreateStreamOnHGlobal(0, TRUE, &stream);
1190 if (FAILED(hr))
1191 return GenericError;
1192
1193 hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
1194 if(FAILED(hr))
1195 {
1196 WARN("Failed to save image on stream\n");
1197 goto out;
1198 }
1199
1200 /* Set seek pointer back to the beginning of the picture */
1201 move.QuadPart = 0;
1202 hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL);
1203 if (FAILED(hr))
1204 goto out;
1205
1206 stat = GdipLoadImageFromStream(stream, cloneImage);
1207 if (stat != Ok) WARN("Failed to load image from stream\n");
1208
1209 out:
1210 IStream_Release(stream);
1211 return stat;
1212 }
1213 else if (image->type == ImageTypeBitmap)
1214 {
1215 GpBitmap *bitmap = (GpBitmap*)image;
1216 BitmapData lockeddata_src, lockeddata_dst;
1217 int i;
1218 UINT row_size;
1219
1220 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format,
1221 &lockeddata_src);
1222 if (stat != Ok) return stat;
1223
1224 stat = GdipCreateBitmapFromScan0(lockeddata_src.Width, lockeddata_src.Height,
1225 0, lockeddata_src.PixelFormat, NULL, (GpBitmap**)cloneImage);
1226 if (stat == Ok)
1227 {
1228 stat = GdipBitmapLockBits((GpBitmap*)*cloneImage, NULL, ImageLockModeWrite,
1229 lockeddata_src.PixelFormat, &lockeddata_dst);
1230
1231 if (stat == Ok)
1232 {
1233 /* copy the image data */
1234 row_size = (lockeddata_src.Width * PIXELFORMATBPP(lockeddata_src.PixelFormat) +7)/8;
1235 for (i=0; i<lockeddata_src.Height; i++)
1236 memcpy((BYTE*)lockeddata_dst.Scan0+lockeddata_dst.Stride*i,
1237 (BYTE*)lockeddata_src.Scan0+lockeddata_src.Stride*i,
1238 row_size);
1239
1240 GdipBitmapUnlockBits((GpBitmap*)*cloneImage, &lockeddata_dst);
1241 }
1242
1243 if (stat != Ok)
1244 GdipDisposeImage(*cloneImage);
1245 }
1246
1247 GdipBitmapUnlockBits(bitmap, &lockeddata_src);
1248
1249 if (stat != Ok)
1250 {
1251 *cloneImage = NULL;
1252 }
1253 else memcpy(&(*cloneImage)->format, &image->format, sizeof(GUID));
1254
1255 return stat;
1256 }
1257 else
1258 {
1259 ERR("GpImage with no IPicture or bitmap?!\n");
1260 return NotImplemented;
1261 }
1262 }
1263
1264 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
1265 GpBitmap **bitmap)
1266 {
1267 GpStatus stat;
1268 IStream *stream;
1269
1270 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
1271
1272 if(!filename || !bitmap)
1273 return InvalidParameter;
1274
1275 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
1276
1277 if(stat != Ok)
1278 return stat;
1279
1280 stat = GdipCreateBitmapFromStream(stream, bitmap);
1281
1282 IStream_Release(stream);
1283
1284 return stat;
1285 }
1286
1287 GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
1288 VOID *bits, GpBitmap **bitmap)
1289 {
1290 DWORD height, stride;
1291 PixelFormat format;
1292
1293 FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
1294
1295 if (!info || !bits || !bitmap)
1296 return InvalidParameter;
1297
1298 height = abs(info->bmiHeader.biHeight);
1299 stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
1300
1301 if(info->bmiHeader.biHeight > 0) /* bottom-up */
1302 {
1303 bits = (BYTE*)bits + (height - 1) * stride;
1304 stride = -stride;
1305 }
1306
1307 switch(info->bmiHeader.biBitCount) {
1308 case 1:
1309 format = PixelFormat1bppIndexed;
1310 break;
1311 case 4:
1312 format = PixelFormat4bppIndexed;
1313 break;
1314 case 8:
1315 format = PixelFormat8bppIndexed;
1316 break;
1317 case 16:
1318 format = PixelFormat16bppRGB555;
1319 break;
1320 case 24:
1321 format = PixelFormat24bppRGB;
1322 break;
1323 case 32:
1324 format = PixelFormat32bppRGB;
1325 break;
1326 default:
1327 FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
1328 *bitmap = NULL;
1329 return InvalidParameter;
1330 }
1331
1332 return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
1333 bits, bitmap);
1334
1335 }
1336
1337 /* FIXME: no icm */
1338 GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
1339 GpBitmap **bitmap)
1340 {
1341 TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
1342
1343 return GdipCreateBitmapFromFile(filename, bitmap);
1344 }
1345
1346 GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
1347 GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
1348 {
1349 HBITMAP hbm;
1350 GpStatus stat = InvalidParameter;
1351
1352 TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
1353
1354 if(!lpBitmapName || !bitmap)
1355 return InvalidParameter;
1356
1357 /* load DIB */
1358 hbm = LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0,
1359 LR_CREATEDIBSECTION);
1360
1361 if(hbm){
1362 stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
1363 DeleteObject(hbm);
1364 }
1365
1366 return stat;
1367 }
1368
1369 GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
1370 HBITMAP* hbmReturn, ARGB background)
1371 {
1372 GpStatus stat;
1373 HBITMAP result;
1374 UINT width, height;
1375 HDC hdc;
1376 BITMAPINFOHEADER bih;
1377 LPBYTE bits;
1378 BitmapData lockeddata;
1379 TRACE("(%p,%p,%x)\n", bitmap, hbmReturn, background);
1380
1381 if (!bitmap || !hbmReturn) return InvalidParameter;
1382
1383 GdipGetImageWidth((GpImage*)bitmap, &width);
1384 GdipGetImageHeight((GpImage*)bitmap, &height);
1385
1386 bih.biSize = sizeof(bih);
1387 bih.biWidth = width;
1388 bih.biHeight = height;
1389 bih.biPlanes = 1;
1390 bih.biBitCount = 32;
1391 bih.biCompression = BI_RGB;
1392 bih.biSizeImage = 0;
1393 bih.biXPelsPerMeter = 0;
1394 bih.biYPelsPerMeter = 0;
1395 bih.biClrUsed = 0;
1396 bih.biClrImportant = 0;
1397
1398 hdc = CreateCompatibleDC(NULL);
1399 if (!hdc) return GenericError;
1400
1401 result = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS, (void**)&bits,
1402 NULL, 0);
1403
1404 if (result)
1405 {
1406 lockeddata.Stride = -width * 4;
1407 lockeddata.Scan0 = bits + (width * 4 * (height - 1));
1408
1409 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead|ImageLockModeUserInputBuf,
1410 PixelFormat32bppPARGB, &lockeddata);
1411
1412 if (stat == Ok)
1413 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
1414 }
1415 else
1416 stat = GenericError;
1417
1418 DeleteDC(hdc);
1419
1420 if (stat != Ok && result)
1421 {
1422 DeleteObject(result);
1423 result = NULL;
1424 }
1425
1426 *hbmReturn = result;
1427
1428 return stat;
1429 }
1430
1431 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
1432 GpMetafile* metafile, BOOL* succ, EmfType emfType,
1433 const WCHAR* description, GpMetafile** out_metafile)
1434 {
1435 static int calls;
1436
1437 TRACE("(%p,%p,%p,%u,%s,%p)\n", ref, metafile, succ, emfType,
1438 debugstr_w(description), out_metafile);
1439
1440 if(!ref || !metafile || !out_metafile)
1441 return InvalidParameter;
1442
1443 *succ = FALSE;
1444 *out_metafile = NULL;
1445
1446 if(!(calls++))
1447 FIXME("not implemented\n");
1448
1449 return NotImplemented;
1450 }
1451
1452 /* FIXME: this should create a bitmap in the given size with the attributes
1453 * (resolution etc.) of the graphics object */
1454 GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
1455 GpGraphics* target, GpBitmap** bitmap)
1456 {
1457 static int calls;
1458 GpStatus ret;
1459
1460 TRACE("(%d, %d, %p, %p)\n", width, height, target, bitmap);
1461
1462 if(!target || !bitmap)
1463 return InvalidParameter;
1464
1465 if(!(calls++))
1466 FIXME("hacked stub\n");
1467
1468 ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
1469 NULL, bitmap);
1470
1471 return ret;
1472 }
1473
1474 GpStatus WINGDIPAPI GdipCreateBitmapFromHICON(HICON hicon, GpBitmap** bitmap)
1475 {
1476 GpStatus stat;
1477 ICONINFO iinfo;
1478 BITMAP bm;
1479 int ret;
1480 UINT width, height;
1481 GpRect rect;
1482 BitmapData lockeddata;
1483 HDC screendc;
1484 BOOL has_alpha;
1485 int x, y;
1486 BYTE *bits;
1487 BITMAPINFOHEADER bih;
1488 DWORD *src;
1489 BYTE *dst_row;
1490 DWORD *dst;
1491
1492 TRACE("%p, %p\n", hicon, bitmap);
1493
1494 if(!bitmap || !GetIconInfo(hicon, &iinfo))
1495 return InvalidParameter;
1496
1497 /* get the size of the icon */
1498 ret = GetObjectA(iinfo.hbmColor ? iinfo.hbmColor : iinfo.hbmMask, sizeof(bm), &bm);
1499 if (ret == 0) {
1500 DeleteObject(iinfo.hbmColor);
1501 DeleteObject(iinfo.hbmMask);
1502 return GenericError;
1503 }
1504
1505 width = bm.bmWidth;
1506
1507 if (iinfo.hbmColor)
1508 height = abs(bm.bmHeight);
1509 else /* combined bitmap + mask */
1510 height = abs(bm.bmHeight) / 2;
1511
1512 bits = HeapAlloc(GetProcessHeap(), 0, 4*width*height);
1513 if (!bits) {
1514 DeleteObject(iinfo.hbmColor);
1515 DeleteObject(iinfo.hbmMask);
1516 return OutOfMemory;
1517 }
1518
1519 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB, NULL, bitmap);
1520 if (stat != Ok) {
1521 DeleteObject(iinfo.hbmColor);
1522 DeleteObject(iinfo.hbmMask);
1523 HeapFree(GetProcessHeap(), 0, bits);
1524 return stat;
1525 }
1526
1527 rect.X = 0;
1528 rect.Y = 0;
1529 rect.Width = width;
1530 rect.Height = height;
1531
1532 stat = GdipBitmapLockBits(*bitmap, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &lockeddata);
1533 if (stat != Ok) {
1534 DeleteObject(iinfo.hbmColor);
1535 DeleteObject(iinfo.hbmMask);
1536 HeapFree(GetProcessHeap(), 0, bits);
1537 GdipDisposeImage((GpImage*)*bitmap);
1538 return stat;
1539 }
1540
1541 bih.biSize = sizeof(bih);
1542 bih.biWidth = width;
1543 bih.biHeight = -height;
1544 bih.biPlanes = 1;
1545 bih.biBitCount = 32;
1546 bih.biCompression = BI_RGB;
1547 bih.biSizeImage = 0;
1548 bih.biXPelsPerMeter = 0;
1549 bih.biYPelsPerMeter = 0;
1550 bih.biClrUsed = 0;
1551 bih.biClrImportant = 0;
1552
1553 screendc = GetDC(0);
1554 if (iinfo.hbmColor)
1555 {
1556 GetDIBits(screendc, iinfo.hbmColor, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1557
1558 if (bm.bmBitsPixel == 32)
1559 {
1560 has_alpha = FALSE;
1561
1562 /* If any pixel has a non-zero alpha, ignore hbmMask */
1563 src = (DWORD*)bits;
1564 for (x=0; x<width && !has_alpha; x++)
1565 for (y=0; y<height && !has_alpha; y++)
1566 if ((*src++ & 0xff000000) != 0)
1567 has_alpha = TRUE;
1568 }
1569 else has_alpha = FALSE;
1570 }
1571 else
1572 {
1573 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1574 has_alpha = FALSE;
1575 }
1576
1577 /* copy the image data to the Bitmap */
1578 src = (DWORD*)bits;
1579 dst_row = lockeddata.Scan0;
1580 for (y=0; y<height; y++)
1581 {
1582 memcpy(dst_row, src, width*4);
1583 src += width;
1584 dst_row += lockeddata.Stride;
1585 }
1586
1587 if (!has_alpha)
1588 {
1589 if (iinfo.hbmMask)
1590 {
1591 /* read alpha data from the mask */
1592 if (iinfo.hbmColor)
1593 GetDIBits(screendc, iinfo.hbmMask, 0, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1594 else
1595 GetDIBits(screendc, iinfo.hbmMask, height, height, bits, (BITMAPINFO*)&bih, DIB_RGB_COLORS);
1596
1597 src = (DWORD*)bits;
1598 dst_row = lockeddata.Scan0;
1599 for (y=0; y<height; y++)
1600 {
1601 dst = (DWORD*)dst_row;
1602 for (x=0; x<height; x++)
1603 {
1604 DWORD src_value = *src++;
1605 if (src_value)
1606 *dst++ = 0;
1607 else
1608 *dst++ |= 0xff000000;
1609 }
1610 dst_row += lockeddata.Stride;
1611 }
1612 }
1613 else
1614 {
1615 /* set constant alpha of 255 */
1616 dst_row = bits;
1617 for (y=0; y<height; y++)
1618 {
1619 dst = (DWORD*)dst_row;
1620 for (x=0; x<height; x++)
1621 *dst++ |= 0xff000000;
1622 dst_row += lockeddata.Stride;
1623 }
1624 }
1625 }
1626
1627 ReleaseDC(0, screendc);
1628
1629 DeleteObject(iinfo.hbmColor);
1630 DeleteObject(iinfo.hbmMask);
1631
1632 GdipBitmapUnlockBits(*bitmap, &lockeddata);
1633
1634 HeapFree(GetProcessHeap(), 0, bits);
1635
1636 return Ok;
1637 }
1638
1639 static void generate_halftone_palette(ARGB *entries, UINT count)
1640 {
1641 static const BYTE halftone_values[6]={0x00,0x33,0x66,0x99,0xcc,0xff};
1642 UINT i;
1643
1644 for (i=0; i<8 && i<count; i++)
1645 {
1646 entries[i] = 0xff000000;
1647 if (i&1) entries[i] |= 0x800000;
1648 if (i&2) entries[i] |= 0x8000;
1649 if (i&4) entries[i] |= 0x80;
1650 }
1651
1652 if (8 < count)
1653 entries[i] = 0xffc0c0c0;
1654
1655 for (i=9; i<16 && i<count; i++)
1656 {
1657 entries[i] = 0xff000000;
1658 if (i&1) entries[i] |= 0xff0000;
1659 if (i&2) entries[i] |= 0xff00;
1660 if (i&4) entries[i] |= 0xff;
1661 }
1662
1663 for (i=16; i<40 && i<count; i++)
1664 {
1665 entries[i] = 0;
1666 }
1667
1668 for (i=40; i<256 && i<count; i++)
1669 {
1670 entries[i] = 0xff000000;
1671 entries[i] |= halftone_values[(i-40)%6];
1672 entries[i] |= halftone_values[((i-40)/6)%6] << 8;
1673 entries[i] |= halftone_values[((i-40)/36)%6] << 16;
1674 }
1675 }
1676
1677 static GpStatus get_screen_resolution(REAL *xres, REAL *yres)
1678 {
1679 HDC screendc = GetDC(0);
1680
1681 if (!screendc) return GenericError;
1682
1683 *xres = (REAL)GetDeviceCaps(screendc, LOGPIXELSX);
1684 *yres = (REAL)GetDeviceCaps(screendc, LOGPIXELSY);
1685
1686 ReleaseDC(0, screendc);
1687
1688 return Ok;
1689 }
1690
1691 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
1692 PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
1693 {
1694 BITMAPINFO* pbmi;
1695 HBITMAP hbitmap=NULL;
1696 INT row_size, dib_stride;
1697 HDC hdc;
1698 BYTE *bits=NULL, *own_bits=NULL;
1699 REAL xres, yres;
1700 GpStatus stat;
1701
1702 TRACE("%d %d %d 0x%x %p %p\n", width, height, stride, format, scan0, bitmap);
1703
1704 if (!bitmap) return InvalidParameter;
1705
1706 if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
1707 *bitmap = NULL;
1708 return InvalidParameter;
1709 }
1710
1711 if(scan0 && !stride)
1712 return InvalidParameter;
1713
1714 stat = get_screen_resolution(&xres, &yres);
1715 if (stat != Ok) return stat;
1716
1717 row_size = (width * PIXELFORMATBPP(format)+7) / 8;
1718 dib_stride = (row_size + 3) & ~3;
1719
1720 if(stride == 0)
1721 stride = dib_stride;
1722
1723 if (format & PixelFormatGDI && !(format & (PixelFormatAlpha|PixelFormatIndexed)) && !scan0)
1724 {
1725 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
1726 if (!pbmi)
1727 return OutOfMemory;
1728
1729 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1730 pbmi->bmiHeader.biWidth = width;
1731 pbmi->bmiHeader.biHeight = -height;
1732 pbmi->bmiHeader.biPlanes = 1;
1733 /* FIXME: use the rest of the data from format */
1734 pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(format);
1735 pbmi->bmiHeader.biCompression = BI_RGB;
1736 pbmi->bmiHeader.biSizeImage = 0;
1737 pbmi->bmiHeader.biXPelsPerMeter = 0;
1738 pbmi->bmiHeader.biYPelsPerMeter = 0;
1739 pbmi->bmiHeader.biClrUsed = 0;
1740 pbmi->bmiHeader.biClrImportant = 0;
1741
1742 hdc = CreateCompatibleDC(NULL);
1743 if (!hdc) {
1744 GdipFree(pbmi);
1745 return GenericError;
1746 }
1747
1748 hbitmap = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
1749
1750 DeleteDC(hdc);
1751 GdipFree(pbmi);
1752
1753 if (!hbitmap) return GenericError;
1754
1755 stride = dib_stride;
1756 }
1757 else
1758 {
1759 /* Not a GDI format; don't try to make an HBITMAP. */
1760 if (scan0)
1761 bits = scan0;
1762 else
1763 {
1764 INT size = abs(stride) * height;
1765
1766 own_bits = bits = GdipAlloc(size);
1767 if (!own_bits) return OutOfMemory;
1768
1769 if (stride < 0)
1770 bits += stride * (1 - height);
1771 }
1772 }
1773
1774 *bitmap = GdipAlloc(sizeof(GpBitmap));
1775 if(!*bitmap)
1776 {
1777 DeleteObject(hbitmap);
1778 GdipFree(own_bits);
1779 return OutOfMemory;
1780 }
1781
1782 (*bitmap)->image.type = ImageTypeBitmap;
1783 memcpy(&(*bitmap)->image.format, &ImageFormatMemoryBMP, sizeof(GUID));
1784 (*bitmap)->image.flags = ImageFlagsNone;
1785 (*bitmap)->image.palette_flags = 0;
1786 (*bitmap)->image.palette_count = 0;
1787 (*bitmap)->image.palette_size = 0;
1788 (*bitmap)->image.palette_entries = NULL;
1789 (*bitmap)->image.xres = xres;
1790 (*bitmap)->image.yres = yres;
1791 (*bitmap)->width = width;
1792 (*bitmap)->height = height;
1793 (*bitmap)->format = format;
1794 (*bitmap)->image.picture = NULL;
1795 (*bitmap)->hbitmap = hbitmap;
1796 (*bitmap)->hdc = NULL;
1797 (*bitmap)->bits = bits;
1798 (*bitmap)->stride = stride;
1799 (*bitmap)->own_bits = own_bits;
1800
1801 /* set format-related flags */
1802 if (format & (PixelFormatAlpha|PixelFormatPAlpha|PixelFormatIndexed))
1803 (*bitmap)->image.flags |= ImageFlagsHasAlpha;
1804
1805 if (format == PixelFormat1bppIndexed ||
1806 format == PixelFormat4bppIndexed ||
1807 format == PixelFormat8bppIndexed)
1808 {
1809 (*bitmap)->image.palette_size = (*bitmap)->image.palette_count = 1 << PIXELFORMATBPP(format);
1810 (*bitmap)->image.palette_entries = GdipAlloc(sizeof(ARGB) * ((*bitmap)->image.palette_size));
1811
1812 if (!(*bitmap)->image.palette_entries)
1813 {
1814 GdipDisposeImage(&(*bitmap)->image);
1815 *bitmap = NULL;
1816 return OutOfMemory;
1817 }
1818
1819 if (format == PixelFormat1bppIndexed)
1820 {
1821 (*bitmap)->image.palette_flags = PaletteFlagsGrayScale;
1822 (*bitmap)->image.palette_entries[0] = 0xff000000;
1823 (*bitmap)->image.palette_entries[1] = 0xffffffff;
1824 }
1825 else
1826 {
1827 if (format == PixelFormat8bppIndexed)
1828 (*bitmap)->image.palette_flags = PaletteFlagsHalftone;
1829
1830 generate_halftone_palette((*bitmap)->image.palette_entries,
1831 (*bitmap)->image.palette_count);
1832 }
1833 }
1834
1835 TRACE("<-- %p\n", *bitmap);
1836
1837 return Ok;
1838 }
1839
1840 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
1841 GpBitmap **bitmap)
1842 {
1843 GpStatus stat;
1844
1845 TRACE("%p %p\n", stream, bitmap);
1846
1847 stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
1848
1849 if(stat != Ok)
1850 return stat;
1851
1852 if((*bitmap)->image.type != ImageTypeBitmap){
1853 GdipDisposeImage(&(*bitmap)->image);
1854 *bitmap = NULL;
1855 return GenericError; /* FIXME: what error to return? */
1856 }
1857
1858 return Ok;
1859 }
1860
1861 /* FIXME: no icm */
1862 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
1863 GpBitmap **bitmap)
1864 {
1865 TRACE("%p %p\n", stream, bitmap);
1866
1867 return GdipCreateBitmapFromStream(stream, bitmap);
1868 }
1869
1870 GpStatus WINGDIPAPI GdipCreateCachedBitmap(GpBitmap *bitmap, GpGraphics *graphics,
1871 GpCachedBitmap **cachedbmp)
1872 {
1873 GpStatus stat;
1874
1875 TRACE("%p %p %p\n", bitmap, graphics, cachedbmp);
1876
1877 if(!bitmap || !graphics || !cachedbmp)
1878 return InvalidParameter;
1879
1880 *cachedbmp = GdipAlloc(sizeof(GpCachedBitmap));
1881 if(!*cachedbmp)
1882 return OutOfMemory;
1883
1884 stat = GdipCloneImage(&(bitmap->image), &(*cachedbmp)->image);
1885 if(stat != Ok){
1886 GdipFree(*cachedbmp);
1887 return stat;
1888 }
1889
1890 return Ok;
1891 }
1892
1893 GpStatus WINGDIPAPI GdipCreateHICONFromBitmap(GpBitmap *bitmap, HICON *hicon)
1894 {
1895 GpStatus stat;
1896 BitmapData lockeddata;
1897 ULONG andstride, xorstride, bitssize;
1898 LPBYTE andbits, xorbits, androw, xorrow, srcrow;
1899 UINT x, y;
1900
1901 TRACE("(%p, %p)\n", bitmap, hicon);
1902
1903 if (!bitmap || !hicon)
1904 return InvalidParameter;
1905
1906 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead,
1907 PixelFormat32bppPARGB, &lockeddata);
1908 if (stat == Ok)
1909 {
1910 andstride = ((lockeddata.Width+31)/32)*4;
1911 xorstride = lockeddata.Width*4;
1912 bitssize = (andstride + xorstride) * lockeddata.Height;
1913
1914 andbits = GdipAlloc(bitssize);
1915
1916 if (andbits)
1917 {
1918 xorbits = andbits + andstride * lockeddata.Height;
1919
1920 for (y=0; y<lockeddata.Height; y++)
1921 {
1922 srcrow = ((LPBYTE)lockeddata.Scan0) + lockeddata.Stride * y;
1923
1924 androw = andbits + andstride * y;
1925 for (x=0; x<lockeddata.Width; x++)
1926 if (srcrow[3+4*x] >= 128)
1927 androw[x/8] |= 1 << (7-x%8);
1928
1929 xorrow = xorbits + xorstride * y;
1930 memcpy(xorrow, srcrow, xorstride);
1931 }
1932
1933 *hicon = CreateIcon(NULL, lockeddata.Width, lockeddata.Height, 1, 32,
1934 andbits, xorbits);
1935
1936 GdipFree(andbits);
1937 }
1938 else
1939 stat = OutOfMemory;
1940
1941 GdipBitmapUnlockBits(bitmap, &lockeddata);
1942 }
1943
1944 return stat;
1945 }
1946
1947 GpStatus WINGDIPAPI GdipDeleteCachedBitmap(GpCachedBitmap *cachedbmp)
1948 {
1949 TRACE("%p\n", cachedbmp);
1950
1951 if(!cachedbmp)
1952 return InvalidParameter;
1953
1954 GdipDisposeImage(cachedbmp->image);
1955 GdipFree(cachedbmp);
1956
1957 return Ok;
1958 }
1959
1960 GpStatus WINGDIPAPI GdipDrawCachedBitmap(GpGraphics *graphics,
1961 GpCachedBitmap *cachedbmp, INT x, INT y)
1962 {
1963 TRACE("%p %p %d %d\n", graphics, cachedbmp, x, y);
1964
1965 if(!graphics || !cachedbmp)
1966 return InvalidParameter;
1967
1968 return GdipDrawImage(graphics, cachedbmp->image, (REAL)x, (REAL)y);
1969 }
1970
1971 GpStatus WINGDIPAPI GdipEmfToWmfBits(HENHMETAFILE hemf, UINT cbData16,
1972 LPBYTE pData16, INT iMapMode, INT eFlags)
1973 {
1974 FIXME("(%p, %d, %p, %d, %d): stub\n", hemf, cbData16, pData16, iMapMode, eFlags);
1975 return NotImplemented;
1976 }
1977
1978 /* Internal utility function: Replace the image data of dst with that of src,
1979 * and free src. */
1980 static void move_bitmap(GpBitmap *dst, GpBitmap *src, BOOL clobber_palette)
1981 {
1982 GdipFree(dst->bitmapbits);
1983 DeleteDC(dst->hdc);
1984 DeleteObject(dst->hbitmap);
1985
1986 if (clobber_palette)
1987 {
1988 GdipFree(dst->image.palette_entries);
1989 dst->image.palette_flags = src->image.palette_flags;
1990 dst->image.palette_count = src->image.palette_count;
1991 dst->image.palette_entries = src->image.palette_entries;
1992 }
1993 else
1994 GdipFree(src->image.palette_entries);
1995
1996 dst->image.xres = src->image.xres;
1997 dst->image.yres = src->image.yres;
1998 dst->width = src->width;
1999 dst->height = src->height;
2000 dst->format = src->format;
2001 dst->hbitmap = src->hbitmap;
2002 dst->hdc = src->hdc;
2003 dst->bits = src->bits;
2004 dst->stride = src->stride;
2005 dst->own_bits = src->own_bits;
2006
2007 GdipFree(src);
2008 }
2009
2010 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
2011 {
2012 TRACE("%p\n", image);
2013
2014 if(!image)
2015 return InvalidParameter;
2016
2017 if (image->type == ImageTypeBitmap)
2018 {
2019 GdipFree(((GpBitmap*)image)->bitmapbits);
2020 GdipFree(((GpBitmap*)image)->own_bits);
2021 DeleteDC(((GpBitmap*)image)->hdc);
2022 DeleteObject(((GpBitmap*)image)->hbitmap);
2023 }
2024 else if (image->type == ImageTypeMetafile)
2025 {
2026 GpMetafile *metafile = (GpMetafile*)image;
2027 GdipFree(metafile->comment_data);
2028 DeleteEnhMetaFile(CloseEnhMetaFile(metafile->record_dc));
2029 DeleteEnhMetaFile(metafile->hemf);
2030 if (metafile->record_graphics)
2031 {
2032 WARN("metafile closed while recording\n");
2033 /* not sure what to do here; for now just prevent the graphics from functioning or using this object */
2034 metafile->record_graphics->image = NULL;
2035 metafile->record_graphics->busy = TRUE;
2036 }
2037 }
2038 else
2039 {
2040 WARN("invalid image: %p\n", image);
2041 return ObjectBusy;
2042 }
2043 if (image->picture)
2044 IPicture_Release(image->picture);
2045 GdipFree(image->palette_entries);
2046 image->type = ~0;
2047 GdipFree(image);
2048
2049 return Ok;
2050 }
2051
2052 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
2053 {
2054 static int calls;
2055
2056 TRACE("(%p,%p)\n", image, item);
2057
2058 if(!image || !item)
2059 return InvalidParameter;
2060
2061 if (!(calls++))
2062 FIXME("not implemented\n");
2063
2064 return NotImplemented;
2065 }
2066
2067 GpStatus WINGDIPAPI GdipGetImageItemData(GpImage *image, ImageItemData *item)
2068 {
2069 static int calls;
2070
2071 TRACE("(%p,%p)\n", image, item);
2072
2073 if (!(calls++))
2074 FIXME("not implemented\n");
2075
2076 return NotImplemented;
2077 }
2078
2079 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
2080 GpUnit *srcUnit)
2081 {
2082 TRACE("%p %p %p\n", image, srcRect, srcUnit);
2083
2084 if(!image || !srcRect || !srcUnit)
2085 return InvalidParameter;
2086 if(image->type == ImageTypeMetafile){
2087 *srcRect = ((GpMetafile*)image)->bounds;
2088 *srcUnit = ((GpMetafile*)image)->unit;
2089 }
2090 else if(image->type == ImageTypeBitmap){
2091 srcRect->X = srcRect->Y = 0.0;
2092 srcRect->Width = (REAL) ((GpBitmap*)image)->width;
2093 srcRect->Height = (REAL) ((GpBitmap*)image)->height;
2094 *srcUnit = UnitPixel;
2095 }
2096 else{
2097 srcRect->X = srcRect->Y = 0.0;
2098 srcRect->Width = ipicture_pixel_width(image->picture);
2099 srcRect->Height = ipicture_pixel_height(image->picture);
2100 *srcUnit = UnitPixel;
2101 }
2102
2103 TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
2104 srcRect->Width, srcRect->Height, *srcUnit);
2105
2106 return Ok;
2107 }
2108
2109 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
2110 REAL *height)
2111 {
2112 TRACE("%p %p %p\n", image, width, height);
2113
2114 if(!image || !height || !width)
2115 return InvalidParameter;
2116
2117 if(image->type == ImageTypeMetafile){
2118 HDC hdc = GetDC(0);
2119 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2120
2121 ReleaseDC(0, hdc);
2122
2123 *height = convert_unit(res, ((GpMetafile*)image)->unit) *
2124 ((GpMetafile*)image)->bounds.Height;
2125
2126 *width = convert_unit(res, ((GpMetafile*)image)->unit) *
2127 ((GpMetafile*)image)->bounds.Width;
2128 }
2129
2130 else if(image->type == ImageTypeBitmap){
2131 *height = ((GpBitmap*)image)->height;
2132 *width = ((GpBitmap*)image)->width;
2133 }
2134 else{
2135 *height = ipicture_pixel_height(image->picture);
2136 *width = ipicture_pixel_width(image->picture);
2137 }
2138
2139 TRACE("returning (%f, %f)\n", *height, *width);
2140 return Ok;
2141 }
2142
2143 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
2144 GpGraphics **graphics)
2145 {
2146 HDC hdc;
2147 GpStatus stat;
2148
2149 TRACE("%p %p\n", image, graphics);
2150
2151 if(!image || !graphics)
2152 return InvalidParameter;
2153
2154 if (image->type == ImageTypeBitmap && ((GpBitmap*)image)->hbitmap)
2155 {
2156 hdc = ((GpBitmap*)image)->hdc;
2157
2158 if(!hdc){
2159 hdc = CreateCompatibleDC(0);
2160 SelectObject(hdc, ((GpBitmap*)image)->hbitmap);
2161 ((GpBitmap*)image)->hdc = hdc;
2162 }
2163
2164 stat = GdipCreateFromHDC(hdc, graphics);
2165
2166 if (stat == Ok)
2167 (*graphics)->image = image;
2168 }
2169 else if (image->type == ImageTypeMetafile)
2170 stat = METAFILE_GetGraphicsContext((GpMetafile*)image, graphics);
2171 else
2172 stat = graphics_from_image(image, graphics);
2173
2174 return stat;
2175 }
2176
2177 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
2178 {
2179 TRACE("%p %p\n", image, height);
2180
2181 if(!image || !height)
2182 return InvalidParameter;
2183
2184 if(image->type == ImageTypeMetafile){
2185 HDC hdc = GetDC(0);
2186 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2187
2188 ReleaseDC(0, hdc);
2189
2190 *height = roundr(convert_unit(res, ((GpMetafile*)image)->unit) *
2191 ((GpMetafile*)image)->bounds.Height);
2192 }
2193 else if(image->type == ImageTypeBitmap)
2194 *height = ((GpBitmap*)image)->height;
2195 else
2196 *height = ipicture_pixel_height(image->picture);
2197
2198 TRACE("returning %d\n", *height);
2199
2200 return Ok;
2201 }
2202
2203 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
2204 {
2205 if(!image || !res)
2206 return InvalidParameter;
2207
2208 *res = image->xres;
2209
2210 TRACE("(%p) <-- %0.2f\n", image, *res);
2211
2212 return Ok;
2213 }
2214
2215 GpStatus WINGDIPAPI GdipGetImagePaletteSize(GpImage *image, INT *size)
2216 {
2217 TRACE("%p %p\n", image, size);
2218
2219 if(!image || !size)
2220 return InvalidParameter;
2221
2222 if (image->palette_count == 0)
2223 *size = sizeof(ColorPalette);
2224 else
2225 *size = sizeof(UINT)*2 + sizeof(ARGB)*image->palette_count;
2226
2227 TRACE("<-- %u\n", *size);
2228
2229 return Ok;
2230 }
2231
2232 /* FIXME: test this function for non-bitmap types */
2233 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
2234 {
2235 TRACE("%p %p\n", image, format);
2236
2237 if(!image || !format)
2238 return InvalidParameter;
2239
2240 if(image->type != ImageTypeBitmap)
2241 *format = PixelFormat24bppRGB;
2242 else
2243 *format = ((GpBitmap*) image)->format;
2244
2245 return Ok;
2246 }
2247
2248 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
2249 {
2250 TRACE("(%p, %p)\n", image, format);
2251
2252 if(!image || !format)
2253 return InvalidParameter;
2254
2255 memcpy(format, &image->format, sizeof(GUID));
2256
2257 return Ok;
2258 }
2259
2260 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
2261 {
2262 TRACE("%p %p\n", image, type);
2263
2264 if(!image || !type)
2265 return InvalidParameter;
2266
2267 *type = image->type;
2268
2269 return Ok;
2270 }
2271
2272 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
2273 {
2274 if(!image || !res)
2275 return InvalidParameter;
2276
2277 *res = image->yres;
2278
2279 TRACE("(%p) <-- %0.2f\n", image, *res);
2280
2281 return Ok;
2282 }
2283
2284 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
2285 {
2286 TRACE("%p %p\n", image, width);
2287
2288 if(!image || !width)
2289 return InvalidParameter;
2290
2291 if(image->type == ImageTypeMetafile){
2292 HDC hdc = GetDC(0);
2293 REAL res = (REAL)GetDeviceCaps(hdc, LOGPIXELSX);
2294
2295 ReleaseDC(0, hdc);
2296
2297 *width = roundr(convert_unit(res, ((GpMetafile*)image)->unit) *
2298 ((GpMetafile*)image)->bounds.Width);
2299 }
2300 else if(image->type == ImageTypeBitmap)
2301 *width = ((GpBitmap*)image)->width;
2302 else
2303 *width = ipicture_pixel_width(image->picture);
2304
2305 TRACE("returning %d\n", *width);
2306
2307 return Ok;
2308 }
2309
2310 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
2311 MetafileHeader * header)
2312 {
2313 static int calls;
2314
2315 TRACE("(%p, %p)\n", metafile, header);
2316
2317 if(!metafile || !header)
2318 return InvalidParameter;
2319
2320 if(!(calls++))
2321 FIXME("not implemented\n");
2322
2323 memset(header, 0, sizeof(MetafileHeader));
2324
2325 return Ok;
2326 }
2327
2328 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromEmf(HENHMETAFILE hEmf,
2329 MetafileHeader *header)
2330 {
2331 static int calls;
2332
2333 if(!hEmf || !header)
2334 return InvalidParameter;
2335
2336 if(!(calls++))
2337 FIXME("not implemented\n");
2338
2339 memset(header, 0, sizeof(MetafileHeader));
2340
2341 return Ok;
2342 }
2343
2344 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromFile(GDIPCONST WCHAR *filename,
2345 MetafileHeader *header)
2346 {
2347 static int calls;
2348
2349 TRACE("(%s,%p)\n", debugstr_w(filename), header);
2350
2351 if(!filename || !header)
2352 return InvalidParameter;
2353
2354 if(!(calls++))
2355 FIXME("not implemented\n");
2356
2357 memset(header, 0, sizeof(MetafileHeader));
2358
2359 return Ok;
2360 }
2361
2362 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromStream(IStream *stream,
2363 MetafileHeader *header)
2364 {
2365 static int calls;
2366
2367 TRACE("(%p,%p)\n", stream, header);
2368
2369 if(!stream || !header)
2370 return InvalidParameter;
2371
2372 if(!(calls++))
2373 FIXME("not implemented\n");
2374
2375 memset(header, 0, sizeof(MetafileHeader));
2376
2377 return Ok;
2378 }
2379
2380 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
2381 UINT num, PropertyItem* items)
2382 {
2383 static int calls;
2384
2385 TRACE("(%p, %u, %u, %p)\n", image, size, num, items);
2386
2387 if(!(calls++))
2388 FIXME("not implemented\n");
2389
2390 return InvalidParameter;
2391 }
2392
2393 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
2394 {
2395 static int calls;
2396
2397 TRACE("(%p, %p)\n", image, num);
2398
2399 if(!(calls++))
2400 FIXME("not implemented\n");
2401
2402 *num = 0;
2403 return Ok;
2404 }
2405
2406 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
2407 {
2408 static int calls;
2409
2410 TRACE("(%p, %u, %p)\n", image, num, list);
2411
2412 if(!(calls++))
2413 FIXME("not implemented\n");
2414
2415 return InvalidParameter;
2416 }
2417
2418 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
2419 PropertyItem* buffer)
2420 {
2421 static int calls;
2422
2423 TRACE("(%p, %u, %u, %p)\n", image, id, size, buffer);
2424
2425 if(!(calls++))
2426 FIXME("not implemented\n");
2427
2428 return InvalidParameter;
2429 }
2430
2431 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
2432 UINT* size)
2433 {
2434 static int calls;
2435
2436 TRACE("%p %x %p\n", image, pid, size);
2437
2438 if(!size || !image)
2439 return InvalidParameter;
2440
2441 if(!(calls++))
2442 FIXME("not implemented\n");
2443
2444 return NotImplemented;
2445 }
2446
2447 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
2448 {
2449 static int calls;
2450
2451 TRACE("(%p,%p,%p)\n", image, size, num);
2452
2453 if(!(calls++))
2454 FIXME("not implemented\n");
2455
2456 return InvalidParameter;
2457 }
2458
2459 struct image_format_dimension
2460 {
2461 const GUID *format;
2462 const GUID *dimension;
2463 };
2464
2465 static struct image_format_dimension image_format_dimensions[] =
2466 {
2467 {&ImageFormatGIF, &FrameDimensionTime},
2468 {&ImageFormatIcon, &FrameDimensionResolution},
2469 {NULL}
2470 };
2471
2472 /* FIXME: Need to handle multi-framed images */
2473 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
2474 GDIPCONST GUID* dimensionID, UINT* count)
2475 {
2476 static int calls;
2477
2478 TRACE("(%p,%s,%p)\n", image, debugstr_guid(dimensionID), count);
2479
2480 if(!image || !count)
2481 return InvalidParameter;
2482
2483 if(!(calls++))
2484 FIXME("returning frame count of 1\n");
2485
2486 *count = 1;
2487
2488 return Ok;
2489 }
2490
2491 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
2492 UINT* count)
2493 {
2494 TRACE("(%p, %p)\n", image, count);
2495
2496 /* Native gdiplus 1.1 does not yet support multiple frame dimensions. */
2497
2498 if(!image || !count)
2499 return InvalidParameter;
2500
2501 *count = 1;
2502
2503 return Ok;
2504 }
2505
2506 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
2507 GUID* dimensionIDs, UINT count)
2508 {
2509 int i;
2510 const GUID *result=NULL;
2511
2512 TRACE("(%p,%p,%u)\n", image, dimensionIDs, count);
2513
2514 if(!image || !dimensionIDs || count != 1)
2515 return InvalidParameter;
2516
2517 for (i=0; image_format_dimensions[i].format; i++)
2518 {
2519 if (IsEqualGUID(&image->format, image_format_dimensions[i].format))
2520 {
2521 result = image_format_dimensions[i].dimension;
2522 break;
2523 }
2524 }
2525
2526 if (!result)
2527 result = &FrameDimensionPage;
2528
2529 memcpy(dimensionIDs, result, sizeof(GUID));
2530
2531 return Ok;
2532 }
2533
2534 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
2535 GDIPCONST GUID* dimensionID, UINT frameidx)
2536 {
2537 static int calls;
2538
2539 TRACE("(%p, %s, %u)\n", image, debugstr_guid(dimensionID), frameidx);
2540
2541 if(!image || !dimensionID)
2542 return InvalidParameter;
2543
2544 if(!(calls++))
2545 FIXME("not implemented\n");
2546
2547 return Ok;
2548 }
2549
2550 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
2551 GpImage **image)
2552 {
2553 GpStatus stat;
2554 IStream *stream;
2555
2556 TRACE("(%s) %p\n", debugstr_w(filename), image);
2557
2558 if (!filename || !image)
2559 return InvalidParameter;
2560
2561 stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
2562
2563 if (stat != Ok)
2564 return stat;
2565
2566 stat = GdipLoadImageFromStream(stream, image);
2567
2568 IStream_Release(stream);
2569
2570 return stat;
2571 }
2572
2573 /* FIXME: no icm handling */
2574 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
2575 {
2576 TRACE("(%s) %p\n", debugstr_w(filename), image);
2577
2578 return GdipLoadImageFromFile(filename, image);
2579 }
2580
2581 static const WICPixelFormatGUID *wic_pixel_formats[] = {
2582 &GUID_WICPixelFormat16bppBGR555,
2583 &GUID_WICPixelFormat24bppBGR,
2584 &GUID_WICPixelFormat32bppBGR,
2585 &GUID_WICPixelFormat32bppBGRA,
2586 &GUID_WICPixelFormat32bppPBGRA,
2587 NULL
2588 };
2589
2590 static const PixelFormat wic_gdip_formats[] = {
2591 PixelFormat16bppRGB555,
2592 PixelFormat24bppRGB,
2593 PixelFormat32bppRGB,
2594 PixelFormat32bppARGB,
2595 PixelFormat32bppPARGB,
2596 };
2597
2598 static GpStatus decode_image_wic(IStream* stream, REFCLSID clsid, GpImage **image)
2599 {
2600 GpStatus status=Ok;
2601 GpBitmap *bitmap;
2602 HRESULT hr;
2603 IWICBitmapDecoder *decoder;
2604 IWICBitmapFrameDecode *frame;
2605 IWICBitmapSource *source=NULL;
2606 WICPixelFormatGUID wic_format;
2607 PixelFormat gdip_format=0;
2608 int i;
2609 UINT width, height;
2610 BitmapData lockeddata;
2611 WICRect wrc;
2612 HRESULT initresult;
2613
2614 initresult = CoInitialize(NULL);
2615
2616 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2617 &IID_IWICBitmapDecoder, (void**)&decoder);
2618 if (FAILED(hr)) goto end;
2619
2620 hr = IWICBitmapDecoder_Initialize(decoder, (IStream*)stream, WICDecodeMetadataCacheOnLoad);
2621 if (SUCCEEDED(hr))
2622 hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
2623
2624 if (SUCCEEDED(hr)) /* got frame */
2625 {
2626 hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &wic_format);
2627
2628 if (SUCCEEDED(hr))
2629 {
2630 for (i=0; wic_pixel_formats[i]; i++)
2631 {
2632 if (IsEqualGUID(&wic_format, wic_pixel_formats[i]))
2633 {
2634 source = (IWICBitmapSource*)frame;
2635 IWICBitmapSource_AddRef(source);
2636 gdip_format = wic_gdip_formats[i];
2637 break;
2638 }
2639 }
2640 if (!source)
2641 {
2642 /* unknown format; fall back on 32bppARGB */
2643 hr = WICConvertBitmapSource(&GUID_WICPixelFormat32bppBGRA, (IWICBitmapSource*)frame, &source);
2644 gdip_format = PixelFormat32bppARGB;
2645 }
2646 }
2647
2648 if (SUCCEEDED(hr)) /* got source */
2649 {
2650 hr = IWICBitmapSource_GetSize(source, &width, &height);
2651
2652 if (SUCCEEDED(hr))
2653 status = GdipCreateBitmapFromScan0(width, height, 0, gdip_format,
2654 NULL, &bitmap);
2655
2656 if (SUCCEEDED(hr) && status == Ok) /* created bitmap */
2657 {
2658 status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeWrite,
2659 gdip_format, &lockeddata);
2660 if (status == Ok) /* locked bitmap */
2661 {
2662 wrc.X = 0;
2663 wrc.Width = width;
2664 wrc.Height = 1;
2665 for (i=0; i<height; i++)
2666 {
2667 wrc.Y = i;
2668 hr = IWICBitmapSource_CopyPixels(source, &wrc, abs(lockeddata.Stride),
2669 abs(lockeddata.Stride), (BYTE*)lockeddata.Scan0+lockeddata.Stride*i);
2670 if (FAILED(hr)) break;
2671 }
2672
2673 GdipBitmapUnlockBits(bitmap, &lockeddata);
2674 }
2675
2676 if (SUCCEEDED(hr) && status == Ok)
2677 *image = (GpImage*)bitmap;
2678 else
2679 {
2680 *image = NULL;
2681 GdipDisposeImage((GpImage*)bitmap);
2682 }
2683
2684 if (SUCCEEDED(hr) && status == Ok)
2685 {
2686 double dpix, dpiy;
2687 hr = IWICBitmapSource_GetResolution(source, &dpix, &dpiy);
2688 if (SUCCEEDED(hr))
2689 {
2690 bitmap->image.xres = dpix;
2691 bitmap->image.yres = dpiy;
2692 }
2693 hr = S_OK;
2694 }
2695 }
2696
2697 IWICBitmapSource_Release(source);
2698 }
2699
2700 IWICBitmapFrameDecode_Release(frame);
2701 }
2702
2703 IWICBitmapDecoder_Release(decoder);
2704
2705 end:
2706 if (SUCCEEDED(initresult)) CoUninitialize();
2707
2708 if (FAILED(hr) && status == Ok) status = hresult_to_status(hr);
2709
2710 if (status == Ok)
2711 {
2712 /* Native GDI+ used to be smarter, but since Win7 it just sets these flags. */
2713 bitmap->image.flags |= ImageFlagsReadOnly|ImageFlagsHasRealPixelSize|ImageFlagsHasRealDPI|ImageFlagsColorSpaceRGB;
2714 }
2715
2716 return status;
2717 }
2718
2719 static GpStatus decode_image_icon(IStream* stream, REFCLSID clsid, GpImage **image)
2720 {
2721 return decode_image_wic(stream, &CLSID_WICIcoDecoder, image);
2722 }
2723
2724 static GpStatus decode_image_bmp(IStream* stream, REFCLSID clsid, GpImage **image)
2725 {
2726 GpStatus status;
2727 GpBitmap* bitmap;
2728
2729 status = decode_image_wic(stream, &CLSID_WICBmpDecoder, image);
2730
2731 bitmap = (GpBitmap*)*image;
2732
2733 if (status == Ok && bitmap->format == PixelFormat32bppARGB)
2734 {
2735 /* WIC supports bmp files with alpha, but gdiplus does not */
2736 bitmap->format = PixelFormat32bppRGB;
2737 }
2738
2739 return status;
2740 }
2741
2742 static GpStatus decode_image_jpeg(IStream* stream, REFCLSID clsid, GpImage **image)
2743 {
2744 return decode_image_wic(stream, &CLSID_WICJpegDecoder, image);
2745 }
2746
2747 static GpStatus decode_image_png(IStream* stream, REFCLSID clsid, GpImage **image)
2748 {
2749 return decode_image_wic(stream, &CLSID_WICPngDecoder, image);
2750 }
2751
2752 static GpStatus decode_image_gif(IStream* stream, REFCLSID clsid, GpImage **image)
2753 {
2754 return decode_image_wic(stream, &CLSID_WICGifDecoder, image);
2755 }
2756
2757 static GpStatus decode_image_tiff(IStream* stream, REFCLSID clsid, GpImage **image)
2758 {
2759 return decode_image_wic(stream, &CLSID_WICTiffDecoder, image);
2760 }
2761
2762 static GpStatus decode_image_olepicture_metafile(IStream* stream, REFCLSID clsid, GpImage **image)
2763 {
2764 IPicture *pic;
2765
2766 TRACE("%p %p\n", stream, image);
2767
2768 if(!stream || !image)
2769 return InvalidParameter;
2770
2771 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
2772 (LPVOID*) &pic) != S_OK){
2773 TRACE("Could not load picture\n");
2774 return GenericError;
2775 }
2776
2777 /* FIXME: missing initialization code */
2778 *image = GdipAlloc(sizeof(GpMetafile));
2779 if(!*image) return OutOfMemory;
2780 (*image)->type = ImageTypeMetafile;
2781 (*image)->picture = pic;
2782 (*image)->flags = ImageFlagsNone;
2783 (*image)->palette_flags = 0;
2784 (*image)->palette_count = 0;
2785 (*image)->palette_size = 0;
2786 (*image)->palette_entries = NULL;
2787
2788 TRACE("<-- %p\n", *image);
2789
2790 return Ok;
2791 }
2792
2793 typedef GpStatus (*encode_image_func)(GpImage *image, IStream* stream,
2794 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params);
2795
2796 typedef GpStatus (*decode_image_func)(IStream *stream, REFCLSID clsid, GpImage** image);
2797
2798 typedef struct image_codec {
2799 ImageCodecInfo info;
2800 encode_image_func encode_func;
2801 decode_image_func decode_func;
2802 } image_codec;
2803
2804 typedef enum {
2805 BMP,
2806 JPEG,
2807 GIF,
2808 TIFF,
2809 EMF,
2810 WMF,
2811 PNG,
2812 ICO,
2813 NUM_CODECS
2814 } ImageFormat;
2815
2816 static const struct image_codec codecs[NUM_CODECS];
2817
2818 static GpStatus get_decoder_info(IStream* stream, const struct image_codec **result)
2819 {
2820 BYTE signature[8];
2821 const BYTE *pattern, *mask;
2822 LARGE_INTEGER seek;
2823 HRESULT hr;
2824 UINT bytesread;
2825 int i, j, sig;
2826
2827 /* seek to the start of the stream */
2828 seek.QuadPart = 0;
2829 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2830 if (FAILED(hr)) return hresult_to_status(hr);
2831
2832 /* read the first 8 bytes */
2833 /* FIXME: This assumes all codecs have signatures <= 8 bytes in length */
2834 hr = IStream_Read(stream, signature, 8, &bytesread);
2835 if (FAILED(hr)) return hresult_to_status(hr);
2836 if (hr == S_FALSE || bytesread == 0) return GenericError;
2837
2838 for (i = 0; i < NUM_CODECS; i++) {
2839 if ((codecs[i].info.Flags & ImageCodecFlagsDecoder) &&
2840 bytesread >= codecs[i].info.SigSize)
2841 {
2842 for (sig=0; sig<codecs[i].info.SigCount; sig++)
2843 {
2844 pattern = &codecs[i].info.SigPattern[codecs[i].info.SigSize*sig];
2845 mask = &codecs[i].info.SigMask[codecs[i].info.SigSize*sig];
2846 for (j=0; j<codecs[i].info.SigSize; j++)
2847 if ((signature[j] & mask[j]) != pattern[j])
2848 break;
2849 if (j == codecs[i].info.SigSize)
2850 {
2851 *result = &codecs[i];
2852 return Ok;
2853 }
2854 }
2855 }
2856 }
2857
2858 TRACE("no match for %i byte signature %x %x %x %x %x %x %x %x\n", bytesread,
2859 signature[0],signature[1],signature[2],signature[3],
2860 signature[4],signature[5],signature[6],signature[7]);
2861
2862 return GenericError;
2863 }
2864
2865 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
2866 {
2867 GpStatus stat;
2868 LARGE_INTEGER seek;
2869 HRESULT hr;
2870 const struct image_codec *codec=NULL;
2871
2872 /* choose an appropriate image decoder */
2873 stat = get_decoder_info(stream, &codec);
2874 if (stat != Ok) return stat;
2875
2876 /* seek to the start of the stream */
2877 seek.QuadPart = 0;
2878 hr = IStream_Seek(stream, seek, STREAM_SEEK_SET, NULL);
2879 if (FAILED(hr)) return hresult_to_status(hr);
2880
2881 /* call on the image decoder to do the real work */
2882 stat = codec->decode_func(stream, &codec->info.Clsid, image);
2883
2884 /* take note of the original data format */
2885 if (stat == Ok)
2886 {
2887 memcpy(&(*image)->format, &codec->info.FormatID, sizeof(GUID));
2888 }
2889
2890 return stat;
2891 }
2892
2893 /* FIXME: no ICM */
2894 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
2895 {
2896 TRACE("%p %p\n", stream, image);
2897
2898 return GdipLoadImageFromStream(stream, image);
2899 }
2900
2901 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
2902 {
2903 static int calls;
2904
2905 TRACE("(%p,%u)\n", image, propId);
2906
2907 if(!image)
2908 return InvalidParameter;
2909
2910 if(!(calls++))
2911 FIXME("not implemented\n");
2912
2913 return NotImplemented;
2914 }
2915
2916 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
2917 {
2918 static int calls;
2919
2920 TRACE("(%p,%p)\n", image, item);
2921
2922 if(!(calls++))
2923 FIXME("not implemented\n");
2924
2925 return NotImplemented;
2926 }
2927
2928 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
2929 GDIPCONST CLSID *clsidEncoder,
2930 GDIPCONST EncoderParameters *encoderParams)
2931 {
2932 GpStatus stat;
2933 IStream *stream;
2934
2935 TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
2936
2937 if (!image || !filename|| !clsidEncoder)
2938 return InvalidParameter;
2939
2940 stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
2941 if (stat != Ok)
2942 return GenericError;
2943
2944 stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
2945
2946 IStream_Release(stream);
2947 return stat;
2948 }
2949
2950 /*************************************************************************
2951 * Encoding functions -
2952 * These functions encode an image in different image file formats.
2953 */
2954 #define BITMAP_FORMAT_BMP 0x4d42 /* "BM" */
2955 #define BITMAP_FORMAT_JPEG 0xd8ff
2956 #define BITMAP_FORMAT_GIF 0x4947
2957 #define BITMAP_FORMAT_PNG 0x5089
2958 #define BITMAP_FORMAT_APM 0xcdd7
2959
2960 static GpStatus encode_image_WIC(GpImage *image, IStream* stream,
2961 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
2962 {
2963 GpStatus stat;
2964 GpBitmap *bitmap;
2965 IWICBitmapEncoder *encoder;
2966 IWICBitmapFrameEncode *frameencode;
2967 IPropertyBag2 *encoderoptions;
2968 HRESULT hr;
2969 UINT width, height;
2970 PixelFormat gdipformat=0;
2971 WICPixelFormatGUID wicformat;
2972 GpRect rc;
2973 BitmapData lockeddata;
2974 HRESULT initresult;
2975 UINT i;
2976
2977 if (image->type != ImageTypeBitmap)
2978 return GenericError;
2979
2980 bitmap = (GpBitmap*)image;
2981
2982 GdipGetImageWidth(image, &width);
2983 GdipGetImageHeight(image, &height);
2984
2985 rc.X = 0;
2986 rc.Y = 0;
2987 rc.Width = width;
2988 rc.Height = height;
2989
2990 initresult = CoInitialize(NULL);
2991
2992 hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
2993 &IID_IWICBitmapEncoder, (void**)&encoder);
2994 if (FAILED(hr))
2995 {
2996 if (SUCCEEDED(initresult)) CoUninitialize();
2997 return hresult_to_status(hr);
2998 }
2999
3000 hr = IWICBitmapEncoder_Initialize(encoder, stream, WICBitmapEncoderNoCache);
3001
3002 if (SUCCEEDED(hr))
3003 {
3004 hr = IWICBitmapEncoder_CreateNewFrame(encoder, &frameencode, &encoderoptions);
3005 }
3006
3007 if (SUCCEEDED(hr)) /* created frame */
3008 {
3009 hr = IWICBitmapFrameEncode_Initialize(frameencode, encoderoptions);
3010
3011 if (SUCCEEDED(hr))
3012 hr = IWICBitmapFrameEncode_SetSize(frameencode, width, height);
3013
3014 if (SUCCEEDED(hr))
3015 /* FIXME: use the resolution from the image */
3016 hr = IWICBitmapFrameEncode_SetResolution(frameencode, 96.0, 96.0);
3017
3018 if (SUCCEEDED(hr))
3019 {
3020 for (i=0; wic_pixel_formats[i]; i++)
3021 {
3022 if (wic_gdip_formats[i] == bitmap->format)
3023 break;
3024 }
3025 if (wic_pixel_formats[i])
3026 memcpy(&wicformat, wic_pixel_formats[i], sizeof(GUID));
3027 else
3028 memcpy(&wicformat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID));
3029
3030 hr = IWICBitmapFrameEncode_SetPixelFormat(frameencode, &wicformat);
3031
3032 for (i=0; wic_pixel_formats[i]; i++)
3033 {
3034 if (IsEqualGUID(&wicformat, wic_pixel_formats[i]))
3035 break;
3036 }
3037 if (wic_pixel_formats[i])
3038 gdipformat = wic_gdip_formats[i];
3039 else
3040 {
3041 ERR("cannot provide pixel format %s\n", debugstr_guid(&wicformat));
3042 hr = E_FAIL;
3043 }
3044 }
3045
3046 if (SUCCEEDED(hr))
3047 {
3048 stat = GdipBitmapLockBits(bitmap, &rc, ImageLockModeRead, gdipformat,
3049 &lockeddata);
3050
3051 if (stat == Ok)
3052 {
3053 UINT row_size = (lockeddata.Width * PIXELFORMATBPP(gdipformat) + 7)/8;
3054 BYTE *row;
3055
3056 /* write one row at a time in case stride is negative */
3057 row = lockeddata.Scan0;
3058 for (i=0; i<lockeddata.Height; i++)
3059 {
3060 hr = IWICBitmapFrameEncode_WritePixels(frameencode, 1, row_size, row_size, row);
3061 if (FAILED(hr)) break;
3062 row += lockeddata.Stride;
3063 }
3064
3065 GdipBitmapUnlockBits(bitmap, &lockeddata);
3066 }
3067 else
3068 hr = E_FAIL;
3069 }
3070
3071 if (SUCCEEDED(hr))
3072 hr = IWICBitmapFrameEncode_Commit(frameencode);
3073
3074 IWICBitmapFrameEncode_Release(frameencode);
3075 IPropertyBag2_Release(encoderoptions);
3076 }
3077
3078 if (SUCCEEDED(hr))
3079 hr = IWICBitmapEncoder_Commit(encoder);
3080
3081 IWICBitmapEncoder_Release(encoder);
3082
3083 if (SUCCEEDED(initresult)) CoUninitialize();
3084
3085 return hresult_to_status(hr);
3086 }
3087
3088 static GpStatus encode_image_BMP(GpImage *image, IStream* stream,
3089 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3090 {
3091 return encode_image_WIC(image, stream, &CLSID_WICBmpEncoder, params);
3092 }
3093
3094 static GpStatus encode_image_tiff(GpImage *image, IStream* stream,
3095 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3096 {
3097 return encode_image_WIC(image, stream, &CLSID_WICTiffEncoder, params);
3098 }
3099
3100 static GpStatus encode_image_png(GpImage *image, IStream* stream,
3101 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3102 {
3103 return encode_image_WIC(image, stream, &CLSID_WICPngEncoder, params);
3104 }
3105
3106 /*****************************************************************************
3107 * GdipSaveImageToStream [GDIPLUS.@]
3108 */
3109 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
3110 GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
3111 {
3112 GpStatus stat;
3113 encode_image_func encode_image;
3114 int i;
3115
3116 TRACE("%p %p %p %p\n", image, stream, clsid, params);
3117
3118 if(!image || !stream)
3119 return InvalidParameter;
3120
3121 /* select correct encoder */
3122 encode_image = NULL;
3123 for (i = 0; i < NUM_CODECS; i++) {
3124 if ((codecs[i].info.Flags & ImageCodecFlagsEncoder) &&
3125 IsEqualCLSID(clsid, &codecs[i].info.Clsid))
3126 encode_image = codecs[i].encode_func;
3127 }
3128 if (encode_image == NULL)
3129 return UnknownImageFormat;
3130
3131 stat = encode_image(image, stream, clsid, params);
3132
3133 return stat;
3134 }
3135
3136 /*****************************************************************************
3137 * GdipGetImagePalette [GDIPLUS.@]
3138 */
3139 GpStatus WINGDIPAPI GdipGetImagePalette(GpImage *image, ColorPalette *palette, INT size)
3140 {
3141 TRACE("(%p,%p,%i)\n", image, palette, size);
3142
3143 if (!image || !palette)
3144 return InvalidParameter;
3145
3146 if (size < (sizeof(UINT)*2+sizeof(ARGB)*image->palette_count))
3147 {
3148 TRACE("<-- InsufficientBuffer\n");
3149 return InsufficientBuffer;
3150 }
3151
3152 palette->Flags = image->palette_flags;
3153 palette->Count = image->palette_count;
3154 memcpy(palette->Entries, image->palette_entries, sizeof(ARGB)*image->palette_count);
3155
3156 return Ok;
3157 }
3158
3159 /*****************************************************************************
3160 * GdipSetImagePalette [GDIPLUS.@]
3161 */
3162 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
3163 GDIPCONST ColorPalette *palette)
3164 {
3165 TRACE("(%p,%p)\n", image, palette);
3166
3167 if(!image || !palette || palette->Count > 256)
3168 return InvalidParameter;
3169
3170 if (palette->Count > image->palette_size)
3171 {
3172 ARGB *new_palette;
3173
3174 new_palette = GdipAlloc(sizeof(ARGB) * palette->Count);
3175 if (!new_palette) return OutOfMemory;
3176
3177 GdipFree(image->palette_entries);
3178 image->palette_entries = new_palette;
3179 image->palette_size = palette->Count;
3180 }
3181
3182 image->palette_flags = palette->Flags;
3183 image->palette_count = palette->Count;
3184 memcpy(image->palette_entries, palette->Entries, sizeof(ARGB)*palette->Count);
3185
3186 return Ok;
3187 }
3188
3189 /*************************************************************************
3190 * Encoders -
3191 * Structures that represent which formats we support for encoding.
3192 */
3193
3194 /* ImageCodecInfo creation routines taken from libgdiplus */
3195 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
3196 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
3197 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
3198 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
3199 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
3200 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
3201
3202 static const WCHAR jpeg_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'J','P','E','G', 0};
3203 static const WCHAR jpeg_extension[] = {'*','.','J','P','G',';', '*','.','J','P','E','G',';', '*','.','J','P','E',';', '*','.','J','F','I','F',0};
3204 static const WCHAR jpeg_mimetype[] = {'i','m','a','g','e','/','j','p','e','g', 0};
3205 static const WCHAR jpeg_format[] = {'J','P','E','G',0};
3206 static const BYTE jpeg_sig_pattern[] = { 0xFF, 0xD8 };
3207 static const BYTE jpeg_sig_mask[] = { 0xFF, 0xFF };
3208
3209 static const WCHAR gif_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'G','I','F', 0};
3210 static const WCHAR gif_extension[] = {'*','.','G','I','F',0};
3211 static const WCHAR gif_mimetype[] = {'i','m','a','g','e','/','g','i','f', 0};
3212 static const WCHAR gif_format[] = {'G','I','F',0};
3213 static const BYTE gif_sig_pattern[4] = "GIF8";
3214 static const BYTE gif_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3215
3216 static const WCHAR tiff_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'T','I','F','F', 0};
3217 static const WCHAR tiff_extension[] = {'*','.','T','I','F','F',';','*','.','T','I','F',0};
3218 static const WCHAR tiff_mimetype[] = {'i','m','a','g','e','/','t','i','f','f', 0};
3219 static const WCHAR tiff_format[] = {'T','I','F','F',0};
3220 static const BYTE tiff_sig_pattern[] = {0x49,0x49,42,0,0x4d,0x4d,0,42};
3221 static const BYTE tiff_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3222
3223 static const WCHAR emf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'E','M','F', 0};
3224 static const WCHAR emf_extension[] = {'*','.','E','M','F',0};
3225 static const WCHAR emf_mimetype[] = {'i','m','a','g','e','/','x','-','e','m','f', 0};
3226 static const WCHAR emf_format[] = {'E','M','F',0};
3227 static const BYTE emf_sig_pattern[] = { 0x01, 0x00, 0x00, 0x00 };
3228 static const BYTE emf_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3229
3230 static const WCHAR wmf_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'W','M','F', 0};
3231 static const WCHAR wmf_extension[] = {'*','.','W','M','F',0};
3232 static const WCHAR wmf_mimetype[] = {'i','m','a','g','e','/','x','-','w','m','f', 0};
3233 static const WCHAR wmf_format[] = {'W','M','F',0};
3234 static const BYTE wmf_sig_pattern[] = { 0xd7, 0xcd };
3235 static const BYTE wmf_sig_mask[] = { 0xFF, 0xFF };
3236
3237 static const WCHAR png_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'P','N','G', 0};
3238 static const WCHAR png_extension[] = {'*','.','P','N','G',0};
3239 static const WCHAR png_mimetype[] = {'i','m','a','g','e','/','p','n','g', 0};
3240 static const WCHAR png_format[] = {'P','N','G',0};
3241 static const BYTE png_sig_pattern[] = { 137, 80, 78, 71, 13, 10, 26, 10, };
3242 static const BYTE png_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
3243
3244 static const WCHAR ico_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'I','C','O', 0};
3245 static const WCHAR ico_extension[] = {'*','.','I','C','O',0};
3246 static const WCHAR ico_mimetype[] = {'i','m','a','g','e','/','x','-','i','c','o','n', 0};
3247 static const WCHAR ico_format[] = {'I','C','O',0};
3248 static const BYTE ico_sig_pattern[] = { 0x00, 0x00, 0x01, 0x00 };
3249 static const BYTE ico_sig_mask[] = { 0xFF, 0xFF, 0xFF, 0xFF };
3250
3251 static const struct image_codec codecs[NUM_CODECS] = {
3252 {
3253 { /* BMP */
3254 /* Clsid */ { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3255 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3256 /* CodecName */ bmp_codecname,
3257 /* DllName */ NULL,
3258 /* FormatDescription */ bmp_format,
3259 /* FilenameExtension */ bmp_extension,
3260 /* MimeType */ bmp_mimetype,
3261 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3262 /* Version */ 1,
3263 /* SigCount */ 1,
3264 /* SigSize */ 2,
3265 /* SigPattern */ bmp_sig_pattern,
3266 /* SigMask */ bmp_sig_mask,
3267 },
3268 encode_image_BMP,
3269 decode_image_bmp
3270 },
3271 {
3272 { /* JPEG */
3273 /* Clsid */ { 0x557cf401, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3274 /* FormatID */ { 0xb96b3caeU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3275 /* CodecName */ jpeg_codecname,
3276 /* DllName */ NULL,
3277 /* FormatDescription */ jpeg_format,
3278 /* FilenameExtension */ jpeg_extension,
3279 /* MimeType */ jpeg_mimetype,
3280 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3281 /* Version */ 1,
3282 /* SigCount */ 1,
3283 /* SigSize */ 2,
3284 /* SigPattern */ jpeg_sig_pattern,
3285 /* SigMask */ jpeg_sig_mask,
3286 },
3287 NULL,
3288 decode_image_jpeg
3289 },
3290 {
3291 { /* GIF */
3292 /* Clsid */ { 0x557cf402, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3293 /* FormatID */ { 0xb96b3cb0U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3294 /* CodecName */ gif_codecname,
3295 /* DllName */ NULL,
3296 /* FormatDescription */ gif_format,
3297 /* FilenameExtension */ gif_extension,
3298 /* MimeType */ gif_mimetype,
3299 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3300 /* Version */ 1,
3301 /* SigCount */ 1,
3302 /* SigSize */ 4,
3303 /* SigPattern */ gif_sig_pattern,
3304 /* SigMask */ gif_sig_mask,
3305 },
3306 NULL,
3307 decode_image_gif
3308 },
3309 {
3310 { /* TIFF */
3311 /* Clsid */ { 0x557cf405, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3312 /* FormatID */ { 0xb96b3cb1U, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3313 /* CodecName */ tiff_codecname,
3314 /* DllName */ NULL,
3315 /* FormatDescription */ tiff_format,
3316 /* FilenameExtension */ tiff_extension,
3317 /* MimeType */ tiff_mimetype,
3318 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsEncoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3319 /* Version */ 1,
3320 /* SigCount */ 2,
3321 /* SigSize */ 4,
3322 /* SigPattern */ tiff_sig_pattern,
3323 /* SigMask */ tiff_sig_mask,
3324 },
3325 encode_image_tiff,
3326 decode_image_tiff
3327 },
3328 {
3329 { /* EMF */
3330 /* Clsid */ { 0x557cf403, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3331 /* FormatID */ { 0xb96b3cacU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3332 /* CodecName */ emf_codecname,
3333 /* DllName */ NULL,
3334 /* FormatDescription */ emf_format,
3335 /* FilenameExtension */ emf_extension,
3336 /* MimeType */ emf_mimetype,
3337 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3338 /* Version */ 1,
3339 /* SigCount */ 1,
3340 /* SigSize */ 4,
3341 /* SigPattern */ emf_sig_pattern,
3342 /* SigMask */ emf_sig_mask,
3343 },
3344 NULL,
3345 decode_image_olepicture_metafile
3346 },
3347 {
3348 { /* WMF */
3349 /* Clsid */ { 0x557cf404, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3350 /* FormatID */ { 0xb96b3cadU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3351 /* CodecName */ wmf_codecname,
3352 /* DllName */ NULL,
3353 /* FormatDescription */ wmf_format,
3354 /* FilenameExtension */ wmf_extension,
3355 /* MimeType */ wmf_mimetype,
3356 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportVector | ImageCodecFlagsBuiltin,
3357 /* Version */ 1,
3358 /* SigCount */ 1,
3359 /* SigSize */ 2,
3360 /* SigPattern */ wmf_sig_pattern,
3361 /* SigMask */ wmf_sig_mask,
3362 },
3363 NULL,
3364 decode_image_olepicture_metafile
3365 },
3366 {
3367 { /* PNG */
3368 /* Clsid */ { 0x557cf406, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3369 /* FormatID */ { 0xb96b3cafU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3370 /* CodecName */ png_codecname,
3371 /* DllName */ NULL,
3372 /* FormatDescription */ png_format,
3373 /* FilenameExtension */ png_extension,
3374 /* MimeType */ png_mimetype,
3375 /* Flags */ ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3376 /* Version */ 1,
3377 /* SigCount */ 1,
3378 /* SigSize */ 8,
3379 /* SigPattern */ png_sig_pattern,
3380 /* SigMask */ png_sig_mask,
3381 },
3382 encode_image_png,
3383 decode_image_png
3384 },
3385 {
3386 { /* ICO */
3387 /* Clsid */ { 0x557cf407, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
3388 /* FormatID */ { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
3389 /* CodecName */ ico_codecname,
3390 /* DllName */ NULL,
3391 /* FormatDescription */ ico_format,
3392 /* FilenameExtension */ ico_extension,
3393 /* MimeType */ ico_mimetype,
3394 /* Flags */ ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
3395 /* Version */ 1,
3396 /* SigCount */ 1,
3397 /* SigSize */ 4,
3398 /* SigPattern */ ico_sig_pattern,
3399 /* SigMask */ ico_sig_mask,
3400 },
3401 NULL,
3402 decode_image_icon
3403 },
3404 };
3405
3406 /*****************************************************************************
3407 * GdipGetImageDecodersSize [GDIPLUS.@]
3408 */
3409 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
3410 {
3411 int decoder_count=0;
3412 int i;
3413 TRACE("%p %p\n", numDecoders, size);
3414
3415 if (!numDecoders || !size)
3416 return InvalidParameter;
3417
3418 for (i=0; i<NUM_CODECS; i++)
3419 {
3420 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3421 decoder_count++;
3422 }
3423
3424 *numDecoders = decoder_count;
3425 *size = decoder_count * sizeof(ImageCodecInfo);
3426
3427 return Ok;
3428 }
3429
3430 /*****************************************************************************
3431 * GdipGetImageDecoders [GDIPLUS.@]
3432 */
3433 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
3434 {
3435 int i, decoder_count=0;
3436 TRACE("%u %u %p\n", numDecoders, size, decoders);
3437
3438 if (!decoders ||
3439 size != numDecoders * sizeof(ImageCodecInfo))
3440 return GenericError;
3441
3442 for (i=0; i<NUM_CODECS; i++)
3443 {
3444 if (codecs[i].info.Flags & ImageCodecFlagsDecoder)
3445 {
3446 if (decoder_count == numDecoders) return GenericError;
3447 memcpy(&decoders[decoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3448 decoder_count++;
3449 }
3450 }
3451
3452 if (decoder_count < numDecoders) return GenericError;
3453
3454 return Ok;
3455 }
3456
3457 /*****************************************************************************
3458 * GdipGetImageEncodersSize [GDIPLUS.@]
3459 */
3460 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
3461 {
3462 int encoder_count=0;
3463 int i;
3464 TRACE("%p %p\n", numEncoders, size);
3465
3466 if (!numEncoders || !size)
3467 return InvalidParameter;
3468
3469 for (i=0; i<NUM_CODECS; i++)
3470 {
3471 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3472 encoder_count++;
3473 }
3474
3475 *numEncoders = encoder_count;
3476 *size = encoder_count * sizeof(ImageCodecInfo);
3477
3478 return Ok;
3479 }
3480
3481 /*****************************************************************************
3482 * GdipGetImageEncoders [GDIPLUS.@]
3483 */
3484 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
3485 {
3486 int i, encoder_count=0;
3487 TRACE("%u %u %p\n", numEncoders, size, encoders);
3488
3489 if (!encoders ||
3490 size != numEncoders * sizeof(ImageCodecInfo))
3491 return GenericError;
3492
3493 for (i=0; i<NUM_CODECS; i++)
3494 {
3495 if (codecs[i].info.Flags & ImageCodecFlagsEncoder)
3496 {
3497 if (encoder_count == numEncoders) return GenericError;
3498 memcpy(&encoders[encoder_count], &codecs[i].info, sizeof(ImageCodecInfo));
3499 encoder_count++;
3500 }
3501 }
3502
3503 if (encoder_count < numEncoders) return GenericError;
3504
3505 return Ok;
3506 }
3507
3508 GpStatus WINGDIPAPI GdipGetEncoderParameterListSize(GpImage *image,
3509 GDIPCONST CLSID* clsidEncoder, UINT *size)
3510 {
3511 static int calls;
3512
3513 TRACE("(%p,%s,%p)\n", image, debugstr_guid(clsidEncoder), size);
3514
3515 if(!(calls++))
3516 FIXME("not implemented\n");
3517
3518 *size = 0;
3519
3520 return NotImplemented;
3521 }
3522
3523 /*****************************************************************************
3524 * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
3525 */
3526 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
3527 {
3528 BITMAP bm;
3529 DIBSECTION dib;
3530 GpStatus retval;
3531 PixelFormat format;
3532 BitmapData lockeddata;
3533 INT y;
3534
3535 TRACE("%p %p %p\n", hbm, hpal, bitmap);
3536
3537 if(!hbm || !bitmap)
3538 return InvalidParameter;
3539
3540 if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
3541 return InvalidParameter;
3542
3543 /* TODO: Figure out the correct format for 16, 32, 64 bpp */
3544 switch(bm.bmBitsPixel) {
3545 case 1:
3546 format = PixelFormat1bppIndexed;
3547 break;
3548 case 4:
3549 format = PixelFormat4bppIndexed;
3550 break;
3551 case 8:
3552 format = PixelFormat8bppIndexed;
3553 break;
3554 case 16:
3555 {
3556 if (GetObjectA(hbm, sizeof(dib), &dib) == sizeof(dib))
3557 {
3558 if (dib.dsBitfields[0] == 0x7c00 &&
3559 dib.dsBitfields[1] == 0x3e0 &&
3560 dib.dsBitfields[2] == 0x1f)
3561 {
3562 format = PixelFormat16bppRGB555;
3563 }
3564 else if (dib.dsBitfields[0] == 0xf800 &&
3565 dib.dsBitfields[1] == 0x7e0 &&
3566 dib.dsBitfields[2] == 0x1f)
3567 {
3568 format = PixelFormat16bppRGB565;
3569 }
3570 else
3571 {
3572 FIXME("unrecognized bitfields %x,%x,%x\n", dib.dsBitfields[0],
3573 dib.dsBitfields[1], dib.dsBitfields[2]);
3574 return InvalidParameter;
3575 }
3576 }
3577 else
3578 {
3579 FIXME("unimplemented for 16-bit ddb\n");
3580 return InvalidParameter;
3581 }
3582 break;
3583 }
3584 case 24:
3585 format = PixelFormat24bppRGB;
3586 break;
3587 case 32:
3588 format = PixelFormat32bppRGB;
3589 break;
3590 case 48:
3591 format = PixelFormat48bppRGB;
3592 break;
3593 default:
3594 FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
3595 return InvalidParameter;
3596 }
3597
3598 retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, 0,
3599 format, NULL, bitmap);
3600
3601 if (retval == Ok)
3602 {
3603 retval = GdipBitmapLockBits(*bitmap, NULL, ImageLockModeWrite,
3604 format, &lockeddata);
3605 if (retval == Ok)
3606 {
3607 if (bm.bmBits)
3608 {
3609 for (y=0; y<bm.bmHeight; y++)
3610 {
3611 memcpy((BYTE*)lockeddata.Scan0+lockeddata.Stride*y,
3612 (BYTE*)bm.bmBits+bm.bmWidthBytes*(bm.bmHeight-1-y),
3613 bm.bmWidthBytes);
3614 }
3615 }
3616 else
3617 {
3618 HDC hdc;
3619 HBITMAP oldhbm;
3620 BITMAPINFO *pbmi;
3621 INT src_height, dst_stride;
3622 BYTE *dst_bits;
3623
3624 hdc = CreateCompatibleDC(NULL);
3625 oldhbm = SelectObject(hdc, hbm);
3626
3627 pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
3628
3629 if (pbmi)
3630 {
3631 pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
3632 pbmi->bmiHeader.biBitCount = 0;
3633
3634 GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
3635
3636 src_height = abs(pbmi->bmiHeader.biHeight);
3637
3638 if (pbmi->bmiHeader.biHeight > 0)
3639 {
3640 dst_bits = (BYTE*)lockeddata.Scan0+lockeddata.Stride*(src_height-1);
3641 dst_stride = -lockeddata.Stride;
3642 }
3643 else
3644 {
3645 dst_bits = lockeddata.Scan0;
3646 dst_stride = lockeddata.Stride;
3647 }
3648
3649 for (y=0; y<src_height; y++)
3650 {
3651 GetDIBits(hdc, hbm, y, 1, dst_bits+dst_stride*y,
3652 pbmi, DIB_RGB_COLORS);
3653 }
3654
3655 GdipFree(pbmi);
3656 }
3657 else
3658 retval = OutOfMemory;
3659
3660 SelectObject(hdc, oldhbm);
3661 DeleteDC(hdc);
3662 }
3663
3664 GdipBitmapUnlockBits(*bitmap, &lockeddata);
3665 }
3666
3667 if (retval == Ok && hpal)
3668 {
3669 WORD num_palette_entries;
3670 PALETTEENTRY *palette_entries=NULL;
3671 ColorPalette *palette=NULL;
3672 int i;
3673
3674 if (!GetObjectW(hpal, sizeof(num_palette_entries), &num_palette_entries))
3675 retval = GenericError;
3676
3677 if (retval == Ok)
3678 {
3679 palette_entries = GdipAlloc(sizeof(PALETTEENTRY) * num_palette_entries);
3680 palette = GdipAlloc(sizeof(ColorPalette) + sizeof(ARGB) * (num_palette_entries-1));
3681
3682 if (!palette_entries || !palette)
3683 retval = OutOfMemory;
3684 }
3685
3686 if (retval == Ok)
3687 {
3688 if (!GetPaletteEntries(hpal, 0, num_palette_entries, palette_entries))
3689 retval = GenericError;
3690 }
3691
3692 if (retval == Ok)
3693 {
3694 palette->Flags = 0;
3695 palette->Count = num_palette_entries;
3696
3697 for (i=0; i<num_palette_entries; i++)
3698 {
3699 PALETTEENTRY * entry = &palette_entries[i];
3700 palette->Entries[i] = 0xff000000 | entry->peRed << 16 |
3701 entry->peGreen << 8 | entry->peBlue;
3702 }
3703
3704 retval = GdipSetImagePalette((GpImage*)*bitmap, palette);
3705 }
3706
3707 GdipFree(palette_entries);
3708 GdipFree(palette);
3709 }
3710
3711 if (retval != Ok)
3712 {
3713 GdipDisposeImage((GpImage*)*bitmap);
3714 *bitmap = NULL;
3715 }
3716 }
3717
3718 return retval;
3719 }
3720
3721 GpStatus WINGDIPAPI GdipDeleteEffect(CGpEffect *effect)
3722 {
3723 FIXME("(%p): stub\n", effect);
3724 /* note: According to Jose Roca's GDI+ Docs, this is not implemented
3725 * in Windows's gdiplus */
3726 return NotImplemented;
3727 }
3728
3729 /*****************************************************************************
3730 * GdipSetEffectParameters [GDIPLUS.@]
3731 */
3732 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
3733 const VOID *params, const UINT size)
3734 {
3735 static int calls;
3736
3737 TRACE("(%p,%p,%u)\n", effect, params, size);
3738
3739 if(!(calls++))
3740 FIXME("not implemented\n");
3741
3742 return NotImplemented;
3743 }
3744
3745 /*****************************************************************************
3746 * GdipGetImageFlags [GDIPLUS.@]
3747 */
3748 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
3749 {
3750 TRACE("%p %p\n", image, flags);
3751
3752 if(!image || !flags)
3753 return InvalidParameter;
3754
3755 *flags = image->flags;
3756
3757 return Ok;
3758 }
3759
3760 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
3761 {
3762 TRACE("(%d, %p)\n", control, param);
3763
3764 switch(control){
3765 case TestControlForceBilinear:
3766 if(param)
3767 FIXME("TestControlForceBilinear not handled\n");
3768 break;
3769 case TestControlNoICM:
3770 if(param)
3771 FIXME("TestControlNoICM not handled\n");
3772 break;
3773 case TestControlGetBuildNumber:
3774 *((DWORD*)param) = 3102;
3775 break;
3776 }
3777
3778 return Ok;
3779 }
3780
3781 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
3782 HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
3783 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
3784 GpMetafile **metafile)
3785 {
3786 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3787 frameUnit, debugstr_w(desc), metafile);
3788
3789 return NotImplemented;
3790 }
3791
3792 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
3793 GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
3794 GDIPCONST WCHAR *desc, GpMetafile **metafile)
3795 {
3796 FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
3797 frameUnit, debugstr_w(desc), metafile);
3798
3799 return NotImplemented;
3800 }
3801
3802 GpStatus WINGDIPAPI GdipImageForceValidation(GpImage *image)
3803 {
3804 TRACE("%p\n", image);
3805
3806 return Ok;
3807 }
3808
3809 /*****************************************************************************
3810 * GdipGetImageThumbnail [GDIPLUS.@]
3811 */
3812 GpStatus WINGDIPAPI GdipGetImageThumbnail(GpImage *image, UINT width, UINT height,
3813 GpImage **ret_image, GetThumbnailImageAbort cb,
3814 VOID * cb_data)
3815 {
3816 GpStatus stat;
3817 GpGraphics *graphics;
3818 UINT srcwidth, srcheight;
3819
3820 TRACE("(%p %u %u %p %p %p)\n",
3821 image, width, height, ret_image, cb, cb_data);
3822
3823 if (!image || !ret_image)
3824 return InvalidParameter;
3825
3826 if (!width) width = 120;
3827 if (!height) height = 120;
3828
3829 GdipGetImageWidth(image, &srcwidth);
3830 GdipGetImageHeight(image, &srcheight);
3831
3832 stat = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat32bppARGB,
3833 NULL, (GpBitmap**)ret_image);
3834
3835 if (stat == Ok)
3836 {
3837 stat = GdipGetImageGraphicsContext(*ret_image, &graphics);
3838
3839 if (stat == Ok)
3840 {
3841 stat = GdipDrawImageRectRectI(graphics, image,
3842 0, 0, width, height, 0, 0, srcwidth, srcheight, UnitPixel,
3843 NULL, NULL, NULL);
3844
3845 GdipDeleteGraphics(graphics);
3846 }
3847
3848 if (stat != Ok)
3849 {
3850 GdipDisposeImage(*ret_image);
3851 *ret_image = NULL;
3852 }
3853 }
3854
3855 return stat;
3856 }
3857
3858 /*****************************************************************************
3859 * GdipImageRotateFlip [GDIPLUS.@]
3860 */
3861 GpStatus WINGDIPAPI GdipImageRotateFlip(GpImage *image, RotateFlipType type)
3862 {
3863 GpBitmap *new_bitmap;
3864 GpBitmap *bitmap;
3865 int bpp, bytesperpixel;
3866 int rotate_90, flip_x, flip_y;
3867 int src_x_offset, src_y_offset;
3868 LPBYTE src_origin;
3869 UINT x, y, width, height;
3870 BitmapData src_lock, dst_lock;
3871 GpStatus stat;
3872
3873 TRACE("(%p, %u)\n", image, type);
3874
3875 rotate_90 = type&1;
3876 flip_x = (type&6) == 2 || (type&6) == 4;
3877 flip_y = (type&3) == 1 || (type&3) == 2;
3878
3879 if (image->type != ImageTypeBitmap)
3880 {
3881 FIXME("Not implemented for type %i\n", image->type);
3882 return NotImplemented;
3883 }
3884
3885 bitmap = (GpBitmap*)image;
3886 bpp = PIXELFORMATBPP(bitmap->format);
3887
3888 if (bpp < 8)
3889 {
3890 FIXME("Not implemented for %i bit images\n", bpp);
3891 return NotImplemented;
3892 }
3893
3894 if (rotate_90)
3895 {
3896 width = bitmap->height;
3897 height = bitmap->width;
3898 }
3899 else
3900 {
3901 width = bitmap->width;
3902 height = bitmap->height;
3903 }
3904
3905 bytesperpixel = bpp/8;
3906
3907 stat = GdipCreateBitmapFromScan0(width, height, 0, bitmap->format, NULL, &new_bitmap);
3908
3909 if (stat != Ok)
3910 return stat;
3911
3912 stat = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, bitmap->format, &src_lock);
3913
3914 if (stat == Ok)
3915 {
3916 stat = GdipBitmapLockBits(new_bitmap, NULL, ImageLockModeWrite, bitmap->format, &dst_lock);
3917
3918 if (stat == Ok)
3919 {
3920 LPBYTE src_row, src_pixel;
3921 LPBYTE dst_row, dst_pixel;
3922
3923 src_origin = src_lock.Scan0;
3924 if (flip_x) src_origin += bytesperpixel * (bitmap->width - 1);
3925 if (flip_y) src_origin += src_lock.Stride * (bitmap->height - 1);
3926
3927 if (rotate_90)
3928 {
3929 if (flip_y) src_x_offset = -src_lock.Stride;
3930 else src_x_offset = src_lock.Stride;
3931 if (flip_x) src_y_offset = -bytesperpixel;
3932 else src_y_offset = bytesperpixel;
3933 }
3934 else
3935 {
3936 if (flip_x) src_x_offset = -bytesperpixel;
3937 else src_x_offset = bytesperpixel;
3938 if (flip_y) src_y_offset = -src_lock.Stride;
3939 else src_y_offset = src_lock.Stride;
3940 }
3941
3942 src_row = src_origin;
3943 dst_row = dst_lock.Scan0;
3944 for (y=0; y<height; y++)
3945 {
3946 src_pixel = src_row;
3947 dst_pixel = dst_row;
3948 for (x=0; x<width; x++)
3949 {
3950 /* FIXME: This could probably be faster without memcpy. */
3951 memcpy(dst_pixel, src_pixel, bytesperpixel);
3952 dst_pixel += bytesperpixel;
3953 src_pixel += src_x_offset;
3954 }
3955 src_row += src_y_offset;
3956 dst_row += dst_lock.Stride;
3957 }
3958
3959 GdipBitmapUnlockBits(new_bitmap, &dst_lock);
3960 }
3961
3962 GdipBitmapUnlockBits(bitmap, &src_lock);
3963 }
3964
3965 if (stat == Ok)
3966 move_bitmap(bitmap, new_bitmap, FALSE);
3967 else
3968 GdipDisposeImage((GpImage*)new_bitmap);
3969
3970 return stat;
3971 }
3972
3973 /*****************************************************************************
3974 * GdipConvertToEmfPlusToFile [GDIPLUS.@]
3975 */
3976
3977 GpStatus WINGDIPAPI GdipConvertToEmfPlusToFile(const GpGraphics* refGraphics,
3978 GpMetafile* metafile, BOOL* conversionSuccess,
3979 const WCHAR* filename, EmfType emfType,
3980 const WCHAR* description, GpMetafile** out_metafile)
3981 {
3982 FIXME("stub: %p, %p, %p, %p, %u, %p, %p\n", refGraphics, metafile, conversionSuccess, filename, emfType, description, out_metafile);
3983 return NotImplemented;
3984 }
Maarten's multimedia branch