diff options
Diffstat (limited to '')
-rw-r--r-- | libraries/evas/src/modules/loaders/ico/evas_image_load_ico.c | 808 |
1 files changed, 0 insertions, 808 deletions
diff --git a/libraries/evas/src/modules/loaders/ico/evas_image_load_ico.c b/libraries/evas/src/modules/loaders/ico/evas_image_load_ico.c deleted file mode 100644 index 4239407..0000000 --- a/libraries/evas/src/modules/loaders/ico/evas_image_load_ico.c +++ /dev/null | |||
@@ -1,808 +0,0 @@ | |||
1 | #ifdef HAVE_CONFIG_H | ||
2 | # include <config.h> | ||
3 | #endif | ||
4 | |||
5 | #include <stdio.h> | ||
6 | |||
7 | #ifdef HAVE_EVIL | ||
8 | # include <Evil.h> | ||
9 | #endif | ||
10 | |||
11 | #include "evas_common.h" | ||
12 | #include "evas_private.h" | ||
13 | |||
14 | static Eina_Bool evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key, int *error) EINA_ARG_NONNULL(1, 2, 4); | ||
15 | static Eina_Bool evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key, int *error) EINA_ARG_NONNULL(1, 2, 4); | ||
16 | |||
17 | static Evas_Image_Load_Func evas_image_load_ico_func = | ||
18 | { | ||
19 | EINA_TRUE, | ||
20 | evas_image_load_file_head_ico, | ||
21 | evas_image_load_file_data_ico, | ||
22 | NULL, | ||
23 | EINA_FALSE | ||
24 | }; | ||
25 | |||
26 | static Eina_Bool | ||
27 | read_ushort(unsigned char *map, size_t length, size_t *position, unsigned short *ret) | ||
28 | { | ||
29 | unsigned char b[2]; | ||
30 | |||
31 | if (*position + 2 > length) return EINA_FALSE; | ||
32 | b[0] = map[(*position)++]; | ||
33 | b[1] = map[(*position)++]; | ||
34 | *ret = (b[1] << 8) | b[0]; | ||
35 | return EINA_TRUE; | ||
36 | } | ||
37 | |||
38 | static Eina_Bool | ||
39 | read_uint(unsigned char *map, size_t length, size_t *position, unsigned int *ret) | ||
40 | { | ||
41 | unsigned char b[4]; | ||
42 | unsigned int i; | ||
43 | |||
44 | if (*position + 4 > length) return EINA_FALSE; | ||
45 | for (i = 0; i < 4; i++) | ||
46 | b[i] = map[(*position)++]; | ||
47 | *ret = ARGB_JOIN(b[3], b[2], b[1], b[0]); | ||
48 | return EINA_TRUE; | ||
49 | } | ||
50 | |||
51 | static Eina_Bool | ||
52 | read_uchar(unsigned char *map, size_t length, size_t *position, unsigned char *ret) | ||
53 | { | ||
54 | if (*position + 1 > length) return EINA_FALSE; | ||
55 | *ret = map[(*position)++]; | ||
56 | return EINA_TRUE; | ||
57 | } | ||
58 | |||
59 | static Eina_Bool | ||
60 | read_mem(unsigned char *map, size_t length, size_t *position, void *buffer, int size) | ||
61 | { | ||
62 | if (*position + size > length) return EINA_FALSE; | ||
63 | memcpy(buffer, map + *position, size); | ||
64 | *position += size; | ||
65 | return EINA_TRUE; | ||
66 | } | ||
67 | |||
68 | enum | ||
69 | { | ||
70 | SMALLEST, | ||
71 | BIGGEST, | ||
72 | SMALLER, | ||
73 | BIGGER | ||
74 | }; | ||
75 | |||
76 | enum | ||
77 | { | ||
78 | ICON = 1, | ||
79 | CURSOR = 2 | ||
80 | }; | ||
81 | |||
82 | static Eina_Bool | ||
83 | evas_image_load_file_head_ico(Image_Entry *ie, const char *file, const char *key, int *error) | ||
84 | { | ||
85 | Eina_File *f; | ||
86 | void *map = NULL; | ||
87 | size_t position = 0; | ||
88 | unsigned short word; | ||
89 | unsigned char byte; | ||
90 | int wanted_w = 0, wanted_h = 0, w, h, cols, i, planes = 0, | ||
91 | bpp = 0, pdelta, search = -1, have_choice = 0, | ||
92 | hasa = 1; | ||
93 | unsigned int bmoffset, bmsize, fsize; | ||
94 | unsigned short reserved, type, count; | ||
95 | struct { | ||
96 | int pdelta; | ||
97 | int w, h; | ||
98 | int cols; | ||
99 | int bpp, planes; | ||
100 | int hot_x, hot_y; | ||
101 | unsigned int bmoffset, bmsize; | ||
102 | } chosen = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | ||
103 | |||
104 | f = eina_file_open(file, EINA_FALSE); | ||
105 | if (!f) | ||
106 | { | ||
107 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
108 | return EINA_FALSE; | ||
109 | } | ||
110 | |||
111 | *error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT; | ||
112 | fsize = eina_file_size_get(f); | ||
113 | if (fsize < (6 + 16 + 40)) goto close_file; | ||
114 | |||
115 | map = eina_file_map_all(f, EINA_FILE_SEQUENTIAL); | ||
116 | if (!map) goto close_file; | ||
117 | |||
118 | // key: | ||
119 | // NULL == highest res | ||
120 | // biggest == highest res | ||
121 | // smallest == lowest res | ||
122 | // | ||
123 | // smaller == next size SMALLER than load opts WxH (if possible) | ||
124 | // bigger == next size BIGGER than load opts WxH (if possible) | ||
125 | // more ? | ||
126 | |||
127 | search = BIGGEST; | ||
128 | if ((ie->load_opts.w > 0) && (ie->load_opts.h > 0)) | ||
129 | { | ||
130 | wanted_w = ie->load_opts.w; | ||
131 | wanted_h = ie->load_opts.h; | ||
132 | search = SMALLER; | ||
133 | } | ||
134 | |||
135 | if (!read_ushort(map, fsize, &position, &reserved)) goto close_file; | ||
136 | if (!read_ushort(map, fsize, &position, &type)) goto close_file; | ||
137 | if (!read_ushort(map, fsize, &position, &count)) goto close_file; | ||
138 | if (!((reserved == 0) && | ||
139 | ((type == ICON) || (type == CURSOR)) && (count > 0))) | ||
140 | goto close_file; | ||
141 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
142 | |||
143 | if (key) | ||
144 | { | ||
145 | if (!strcmp(key, "biggest")) | ||
146 | { | ||
147 | wanted_w = 0; | ||
148 | wanted_h = 0; | ||
149 | search = BIGGEST; | ||
150 | chosen.pdelta = 0; | ||
151 | } | ||
152 | else if (!strcmp(key, "smallest")) | ||
153 | { | ||
154 | wanted_w = 1; | ||
155 | wanted_h = 1; | ||
156 | search = SMALLEST; | ||
157 | chosen.pdelta = 0x7fffffff; | ||
158 | } | ||
159 | else if (!strcmp(key, "smaller")) | ||
160 | { | ||
161 | chosen.pdelta = 0x7fffffff; | ||
162 | search = SMALLER; | ||
163 | } | ||
164 | else if (!strcmp(key, "bigger")) | ||
165 | { | ||
166 | chosen.pdelta = 0x7fffffff; | ||
167 | search = BIGGER; | ||
168 | } | ||
169 | } | ||
170 | for (i = 0; i < count; i++) | ||
171 | { | ||
172 | unsigned char tw = 0, th = 0, tcols = 0; | ||
173 | if (!read_uchar(map, fsize, &position, &tw)) goto close_file; | ||
174 | w = tw; | ||
175 | if (w <= 0) w = 256; | ||
176 | if (!read_uchar(map, fsize, &position, &th)) goto close_file; | ||
177 | h = th; | ||
178 | if (h <= 0) h = 256; | ||
179 | if (!read_uchar(map, fsize, &position, &tcols)) goto close_file; | ||
180 | cols = tcols; | ||
181 | if (cols <= 0) cols = 256; | ||
182 | if (!read_uchar(map, fsize, &position, &byte)) goto close_file; | ||
183 | if (!read_ushort(map, fsize, &position, &word)) goto close_file; | ||
184 | if (type == CURSOR) planes = word; | ||
185 | //else hot_x = word; | ||
186 | if (!read_ushort(map, fsize, &position, &word)) goto close_file; | ||
187 | if (type == CURSOR) bpp = word; | ||
188 | //else hot_y = word; | ||
189 | if (!read_uint(map, fsize, &position, &bmsize)) goto close_file; | ||
190 | if (!read_uint(map, fsize, &position, &bmoffset)) goto close_file; | ||
191 | if ((bmsize <= 0) || (bmoffset <= 0) || (bmoffset >= fsize)) goto close_file; | ||
192 | if (search == BIGGEST) | ||
193 | { | ||
194 | pdelta = w * h; | ||
195 | if ((!have_choice) || | ||
196 | ((pdelta >= chosen.pdelta) && | ||
197 | (((bpp >= 3) && (bpp >= chosen.bpp)) || | ||
198 | ((bpp < 3) && (cols >= chosen.cols))))) | ||
199 | { | ||
200 | have_choice = 1; | ||
201 | chosen.pdelta = pdelta; | ||
202 | chosen.w = w; | ||
203 | chosen.h = h; | ||
204 | chosen.cols = cols; | ||
205 | chosen.bpp = bpp; | ||
206 | chosen.planes = planes; | ||
207 | chosen.bmsize = bmsize; | ||
208 | chosen.bmoffset = bmoffset; | ||
209 | } | ||
210 | } | ||
211 | else | ||
212 | { | ||
213 | if (search == SMALLEST) | ||
214 | { | ||
215 | pdelta = w * h; | ||
216 | if ((!have_choice) || | ||
217 | ((pdelta <= chosen.pdelta) && | ||
218 | (((bpp >= 3) && (bpp >= chosen.bpp)) || | ||
219 | ((bpp < 3) && (cols >= chosen.cols))))) | ||
220 | { | ||
221 | have_choice = 1; | ||
222 | chosen.pdelta = pdelta; | ||
223 | chosen.w = w; | ||
224 | chosen.h = h; | ||
225 | chosen.cols = cols; | ||
226 | chosen.bpp = bpp; | ||
227 | chosen.planes = planes; | ||
228 | chosen.bmsize = bmsize; | ||
229 | chosen.bmoffset = bmoffset; | ||
230 | } | ||
231 | } | ||
232 | else if (search == SMALLER) | ||
233 | { | ||
234 | pdelta = (wanted_w * wanted_h) - (w * h); | ||
235 | if ((!have_choice) || | ||
236 | ((w <= wanted_w) && (h <= wanted_h) && | ||
237 | (pdelta <= chosen.pdelta) && | ||
238 | (((bpp >= 3) && (bpp >= chosen.bpp)) || | ||
239 | ((bpp < 3) && (cols >= chosen.cols))))) | ||
240 | { | ||
241 | have_choice = 1; | ||
242 | if (pdelta < 0) pdelta = 0x7fffffff; | ||
243 | chosen.pdelta = pdelta; | ||
244 | chosen.w = w; | ||
245 | chosen.h = h; | ||
246 | chosen.cols = cols; | ||
247 | chosen.bpp = bpp; | ||
248 | chosen.planes = planes; | ||
249 | chosen.bmsize = bmsize; | ||
250 | chosen.bmoffset = bmoffset; | ||
251 | } | ||
252 | } | ||
253 | else if (search == BIGGER) | ||
254 | { | ||
255 | pdelta = (w * h) - (wanted_w * wanted_h); | ||
256 | if ((!have_choice) || | ||
257 | ((w >= wanted_w) && (h >= wanted_h) && | ||
258 | (pdelta <= chosen.pdelta) && | ||
259 | (((bpp >= 3) && (bpp >= chosen.bpp)) || | ||
260 | ((bpp < 3) && (cols >= chosen.cols))))) | ||
261 | { | ||
262 | have_choice = 1; | ||
263 | if (pdelta < 0) pdelta = 0x7fffffff; | ||
264 | chosen.pdelta = pdelta; | ||
265 | chosen.w = w; | ||
266 | chosen.h = h; | ||
267 | chosen.cols = cols; | ||
268 | chosen.bpp = bpp; | ||
269 | chosen.planes = planes; | ||
270 | chosen.bmsize = bmsize; | ||
271 | chosen.bmoffset = bmoffset; | ||
272 | } | ||
273 | } | ||
274 | } | ||
275 | } | ||
276 | if (chosen.bmoffset == 0) goto close_file; | ||
277 | position = chosen.bmoffset; | ||
278 | |||
279 | w = chosen.w; | ||
280 | h = chosen.h; | ||
281 | if ((w > 256) || (h > 256)) goto close_file; | ||
282 | if ((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE) || | ||
283 | IMG_TOO_BIG(w, h)) | ||
284 | { | ||
285 | if (IMG_TOO_BIG(w, h)) | ||
286 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
287 | else | ||
288 | *error = EVAS_LOAD_ERROR_GENERIC; | ||
289 | goto close_file; | ||
290 | } | ||
291 | |||
292 | ie->w = w; | ||
293 | ie->h = h; | ||
294 | if (hasa) ie->flags.alpha = 1; | ||
295 | |||
296 | eina_file_map_free(f, map); | ||
297 | eina_file_close(f); | ||
298 | |||
299 | *error = EVAS_LOAD_ERROR_NONE; | ||
300 | return EINA_TRUE; | ||
301 | |||
302 | close_file: | ||
303 | if (map) eina_file_map_free(f, map); | ||
304 | eina_file_close(f); | ||
305 | return EINA_FALSE; | ||
306 | } | ||
307 | |||
308 | static Eina_Bool | ||
309 | evas_image_load_file_data_ico(Image_Entry *ie, const char *file, const char *key, int *error) | ||
310 | { | ||
311 | Eina_File *f; | ||
312 | void *map = NULL; | ||
313 | size_t position = 0; | ||
314 | unsigned short word; | ||
315 | unsigned char byte; | ||
316 | unsigned int dword; | ||
317 | int wanted_w = 0, wanted_h = 0, w, h, cols, i, planes = 0, | ||
318 | bpp = 0, pdelta, search = -1, have_choice = 0, | ||
319 | stride, pstride, j, right_way_up = 0, diff_size = 0, cols2; | ||
320 | unsigned int bmoffset, bmsize, bitcount, fsize, | ||
321 | *pal, *surface, *pix, none_zero_alpha = 0; | ||
322 | unsigned short reserved, type, count; | ||
323 | unsigned char *maskbuf, *pixbuf, *p; | ||
324 | struct { | ||
325 | int pdelta; | ||
326 | int w, h; | ||
327 | int cols; | ||
328 | int bpp, planes; | ||
329 | int hot_x, hot_y; | ||
330 | unsigned int bmoffset, bmsize; | ||
331 | } chosen = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | ||
332 | |||
333 | f = eina_file_open(file, EINA_FALSE); | ||
334 | if (!f) | ||
335 | { | ||
336 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
337 | return EINA_FALSE; | ||
338 | } | ||
339 | |||
340 | *error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT; | ||
341 | fsize = eina_file_size_get(f); | ||
342 | if (fsize < (6 + 16 + 40)) goto close_file; | ||
343 | |||
344 | map = eina_file_map_all(f, EINA_FILE_SEQUENTIAL); | ||
345 | if (!map) goto close_file; | ||
346 | |||
347 | // key: | ||
348 | // NULL == highest res | ||
349 | // biggest == highest res | ||
350 | // smallest == lowest res | ||
351 | // | ||
352 | // smaller == next size SMALLER than load opts WxH (if possible) | ||
353 | // bigger == next size BIGGER than load opts WxH (if possible) | ||
354 | // more ? | ||
355 | |||
356 | search = BIGGEST; | ||
357 | if ((ie->load_opts.w > 0) && (ie->load_opts.h > 0)) | ||
358 | { | ||
359 | wanted_w = ie->load_opts.w; | ||
360 | wanted_h = ie->load_opts.h; | ||
361 | search = SMALLER; | ||
362 | } | ||
363 | |||
364 | if (!read_ushort(map, fsize, &position, &reserved)) goto close_file; | ||
365 | if (!read_ushort(map, fsize, &position, &type)) goto close_file; | ||
366 | if (!read_ushort(map, fsize, &position, &count)) goto close_file; | ||
367 | if (!((reserved == 0) && | ||
368 | ((type == ICON) || (type == CURSOR)) && (count > 0))) | ||
369 | goto close_file; | ||
370 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
371 | |||
372 | if (key) | ||
373 | { | ||
374 | if (!strcmp(key, "biggest")) | ||
375 | { | ||
376 | wanted_w = 0; | ||
377 | wanted_h = 0; | ||
378 | search = BIGGEST; | ||
379 | chosen.pdelta = 0; | ||
380 | } | ||
381 | else if (!strcmp(key, "smallest")) | ||
382 | { | ||
383 | wanted_w = 1; | ||
384 | wanted_h = 1; | ||
385 | search = SMALLEST; | ||
386 | chosen.pdelta = 0x7fffffff; | ||
387 | } | ||
388 | else if (!strcmp(key, "smaller")) | ||
389 | { | ||
390 | chosen.pdelta = 0x7fffffff; | ||
391 | search = SMALLER; | ||
392 | } | ||
393 | else if (!strcmp(key, "bigger")) | ||
394 | { | ||
395 | chosen.pdelta = 0x7fffffff; | ||
396 | search = BIGGER; | ||
397 | } | ||
398 | } | ||
399 | for (i = 0; i < count; i++) | ||
400 | { | ||
401 | unsigned char tw = 0, th = 0, tcols = 0; | ||
402 | if (!read_uchar(map, fsize, &position, &tw)) goto close_file; | ||
403 | w = tw; | ||
404 | if (w <= 0) w = 256; | ||
405 | if (!read_uchar(map, fsize, &position, &th)) goto close_file; | ||
406 | h = th; | ||
407 | if (h <= 0) h = 256; | ||
408 | if (!read_uchar(map, fsize, &position, &tcols)) goto close_file; | ||
409 | cols = tcols; | ||
410 | if (cols <= 0) cols = 256; | ||
411 | if (!read_uchar(map, fsize, &position, &byte)) goto close_file; | ||
412 | if (!read_ushort(map, fsize, &position, &word)) goto close_file; | ||
413 | if (type == 1) planes = word; | ||
414 | //else hot_x = word; | ||
415 | if (!read_ushort(map, fsize, &position, &word)) goto close_file; | ||
416 | if (type == 1) bpp = word; | ||
417 | //else hot_y = word; | ||
418 | if (!read_uint(map, fsize, &position, &bmsize)) goto close_file; | ||
419 | if (!read_uint(map, fsize, &position, &bmoffset)) goto close_file; | ||
420 | if ((bmsize <= 0) || (bmoffset <= 0) || (bmoffset >= fsize)) goto close_file; | ||
421 | if (search == BIGGEST) | ||
422 | { | ||
423 | pdelta = w * h; | ||
424 | if ((!have_choice) || | ||
425 | ((pdelta >= chosen.pdelta) && | ||
426 | (((bpp >= 3) && (bpp >= chosen.bpp)) || | ||
427 | ((bpp < 3) && (cols >= chosen.cols))))) | ||
428 | { | ||
429 | have_choice = 1; | ||
430 | chosen.pdelta = pdelta; | ||
431 | chosen.w = w; | ||
432 | chosen.h = h; | ||
433 | chosen.cols = cols; | ||
434 | chosen.bpp = bpp; | ||
435 | chosen.planes = planes; | ||
436 | chosen.bmsize = bmsize; | ||
437 | chosen.bmoffset = bmoffset; | ||
438 | } | ||
439 | } | ||
440 | else | ||
441 | { | ||
442 | if (search == SMALLEST) | ||
443 | { | ||
444 | pdelta = w * h; | ||
445 | if ((!have_choice) || | ||
446 | ((pdelta <= chosen.pdelta) && | ||
447 | (((bpp >= 3) && (bpp >= chosen.bpp)) || | ||
448 | ((bpp < 3) && (cols >= chosen.cols))))) | ||
449 | { | ||
450 | have_choice = 1; | ||
451 | chosen.pdelta = pdelta; | ||
452 | chosen.w = w; | ||
453 | chosen.h = h; | ||
454 | chosen.cols = cols; | ||
455 | chosen.bpp = bpp; | ||
456 | chosen.planes = planes; | ||
457 | chosen.bmsize = bmsize; | ||
458 | chosen.bmoffset = bmoffset; | ||
459 | } | ||
460 | } | ||
461 | else if (search == SMALLER) | ||
462 | { | ||
463 | pdelta = (wanted_w * wanted_h) - (w * h); | ||
464 | if ((!have_choice) || | ||
465 | ((w <= wanted_w) && (h <= wanted_h) && | ||
466 | (pdelta <= chosen.pdelta) && | ||
467 | (((bpp >= 3) && (bpp >= chosen.bpp)) || | ||
468 | ((bpp < 3) && (cols >= chosen.cols))))) | ||
469 | { | ||
470 | have_choice = 1; | ||
471 | if (pdelta < 0) pdelta = 0x7fffffff; | ||
472 | chosen.pdelta = pdelta; | ||
473 | chosen.w = w; | ||
474 | chosen.h = h; | ||
475 | chosen.cols = cols; | ||
476 | chosen.bpp = bpp; | ||
477 | chosen.planes = planes; | ||
478 | chosen.bmsize = bmsize; | ||
479 | chosen.bmoffset = bmoffset; | ||
480 | } | ||
481 | } | ||
482 | else if (search == BIGGER) | ||
483 | { | ||
484 | pdelta = (w * h) - (wanted_w * wanted_h); | ||
485 | if ((!have_choice) || | ||
486 | ((w >= wanted_w) && (h >= wanted_h) && | ||
487 | (pdelta <= chosen.pdelta) && | ||
488 | (((bpp >= 3) && (bpp >= chosen.bpp)) || | ||
489 | ((bpp < 3) && (cols >= chosen.cols))))) | ||
490 | { | ||
491 | have_choice = 1; | ||
492 | if (pdelta < 0) pdelta = 0x7fffffff; | ||
493 | chosen.pdelta = pdelta; | ||
494 | chosen.w = w; | ||
495 | chosen.h = h; | ||
496 | chosen.cols = cols; | ||
497 | chosen.bpp = bpp; | ||
498 | chosen.planes = planes; | ||
499 | chosen.bmsize = bmsize; | ||
500 | chosen.bmoffset = bmoffset; | ||
501 | } | ||
502 | } | ||
503 | } | ||
504 | } | ||
505 | if (chosen.bmoffset == 0) goto close_file; | ||
506 | position = chosen.bmoffset; | ||
507 | |||
508 | w = chosen.w; | ||
509 | h = chosen.h; | ||
510 | cols = chosen.cols; | ||
511 | bpp = chosen.bpp; | ||
512 | // changed since we loaded header? | ||
513 | if (((int)ie->w != w) || ((int)ie->h != h)) goto close_file; | ||
514 | |||
515 | // read bmp header time... let's do some checking | ||
516 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // headersize - dont care | ||
517 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // width | ||
518 | if (dword > 0) | ||
519 | { | ||
520 | if ((int)dword != w) | ||
521 | { | ||
522 | w = dword; | ||
523 | diff_size = 1; | ||
524 | } | ||
525 | } | ||
526 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // height | ||
527 | if (dword > 0) | ||
528 | { | ||
529 | if ((int)dword != (h * 2)) | ||
530 | { | ||
531 | h = dword / 2; | ||
532 | diff_size = 1; | ||
533 | } | ||
534 | } | ||
535 | if (diff_size) | ||
536 | { | ||
537 | ERR("Broken ICO file: %s - " | ||
538 | " Reporting size of %ix%i in index, but bitmap is %ix%i. " | ||
539 | " May be expanded or cropped.", | ||
540 | file, ie->w, ie->h, w, h); | ||
541 | } | ||
542 | if (!read_ushort(map, fsize, &position, &word)) goto close_file; // planes | ||
543 | //planes2 = word; | ||
544 | if (!read_ushort(map, fsize, &position, &word)) goto close_file; // bitcount | ||
545 | bitcount = word; | ||
546 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // compression | ||
547 | //compression = dword; | ||
548 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // imagesize | ||
549 | //imagesize = dword; | ||
550 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // z pixels per m | ||
551 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // y pizels per m | ||
552 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // colors used | ||
553 | //colorsused = dword; | ||
554 | if (!read_uint(map, fsize, &position, &dword)) goto close_file; // colors important | ||
555 | //colorsimportant = dword; | ||
556 | |||
557 | evas_cache_image_surface_alloc(ie, ie->w, ie->h); | ||
558 | surface = evas_cache_image_pixels(ie); | ||
559 | if (!surface) | ||
560 | { | ||
561 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
562 | goto close_file; | ||
563 | } | ||
564 | memset(surface, 0, ie->w * ie->h * 4); | ||
565 | |||
566 | if (!((bitcount == 1) || (bitcount == 4) || (bitcount == 8) || | ||
567 | (bitcount == 24) || (bitcount == 32))) | ||
568 | goto close_file; | ||
569 | if (bitcount <= 8) | ||
570 | { | ||
571 | cols2 = 1 << bitcount; | ||
572 | if (cols == 0) cols = cols2; | ||
573 | if (cols > cols2) cols = cols2; | ||
574 | if (cols > 256) cols = 256; | ||
575 | } | ||
576 | else | ||
577 | cols = 0; | ||
578 | if (bitcount > 8) cols = 0; | ||
579 | |||
580 | pal = alloca(256 * 4); | ||
581 | for (i = 0; i < cols; i++) | ||
582 | { | ||
583 | unsigned char a, r, g, b; | ||
584 | |||
585 | if (!read_uchar(map, fsize, &position, &b)) goto close_file; | ||
586 | if (!read_uchar(map, fsize, &position, &g)) goto close_file; | ||
587 | if (!read_uchar(map, fsize, &position, &r)) goto close_file; | ||
588 | if (!read_uchar(map, fsize, &position, &a)) goto close_file; | ||
589 | a = 0xff; | ||
590 | pal[i] = ARGB_JOIN(a, r, g, b); | ||
591 | } | ||
592 | stride = ((w + 31) / 32); | ||
593 | maskbuf = alloca(stride * h); | ||
594 | pixbuf = alloca(stride * 32 * 4); // more than enough | ||
595 | if (bitcount == 1) | ||
596 | { | ||
597 | pstride = stride * 4; | ||
598 | for (i = 0; i < h; i++) | ||
599 | { | ||
600 | pix = surface + (i * ie->w); | ||
601 | if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w); | ||
602 | if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file; | ||
603 | p = pixbuf; | ||
604 | if (i >= (int)ie->h) continue; | ||
605 | for (j = 0; j < w; j++) | ||
606 | { | ||
607 | if (j >= (int)ie->w) break; | ||
608 | if ((j & 0x7) == 0x0) | ||
609 | { | ||
610 | *pix = pal[*p >> 7]; | ||
611 | } | ||
612 | else if ((j & 0x7) == 0x1) | ||
613 | { | ||
614 | *pix = pal[(*p >> 6) & 0x1]; | ||
615 | } | ||
616 | else if ((j & 0x7) == 0x2) | ||
617 | { | ||
618 | *pix = pal[(*p >> 5) & 0x1]; | ||
619 | } | ||
620 | else if ((j & 0x7) == 0x3) | ||
621 | { | ||
622 | *pix = pal[(*p >> 4) & 0x1]; | ||
623 | } | ||
624 | else if ((j & 0x7) == 0x4) | ||
625 | { | ||
626 | *pix = pal[(*p >> 3) & 0x1]; | ||
627 | } | ||
628 | else if ((j & 0x7) == 0x5) | ||
629 | { | ||
630 | *pix = pal[(*p >> 2) & 0x1]; | ||
631 | } | ||
632 | else if ((j & 0x7) == 0x6) | ||
633 | { | ||
634 | *pix = pal[(*p >> 1) & 0x1]; | ||
635 | } | ||
636 | else | ||
637 | { | ||
638 | *pix = pal[*p & 0x1]; | ||
639 | p++; | ||
640 | } | ||
641 | pix++; | ||
642 | } | ||
643 | } | ||
644 | } | ||
645 | else if (bitcount == 4) | ||
646 | { | ||
647 | pstride = ((w + 7) / 8) * 4; | ||
648 | for (i = 0; i < h; i++) | ||
649 | { | ||
650 | pix = surface + (i * ie->w); | ||
651 | if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w); | ||
652 | if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file; | ||
653 | p = pixbuf; | ||
654 | if (i >= (int)ie->h) continue; | ||
655 | for (j = 0; j < w; j++) | ||
656 | { | ||
657 | if (j >= (int)ie->w) break; | ||
658 | if ((j & 0x1) == 0x1) | ||
659 | { | ||
660 | *pix = pal[*p & 0x0f]; | ||
661 | p++; | ||
662 | } | ||
663 | else | ||
664 | { | ||
665 | *pix = pal[*p >> 4]; | ||
666 | } | ||
667 | pix++; | ||
668 | } | ||
669 | } | ||
670 | } | ||
671 | else if (bitcount == 8) | ||
672 | { | ||
673 | pstride = ((w + 3) / 4) * 4; | ||
674 | for (i = 0; i < h; i++) | ||
675 | { | ||
676 | pix = surface + (i * ie->w); | ||
677 | if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w); | ||
678 | if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file; | ||
679 | p = pixbuf; | ||
680 | if (i >= (int)ie->h) continue; | ||
681 | for (j = 0; j < w; j++) | ||
682 | { | ||
683 | if (j >= (int)ie->w) break; | ||
684 | *pix = pal[*p]; | ||
685 | p++; | ||
686 | pix++; | ||
687 | } | ||
688 | } | ||
689 | } | ||
690 | else if (bitcount == 24) | ||
691 | { | ||
692 | pstride = w * 3; | ||
693 | for (i = 0; i < h; i++) | ||
694 | { | ||
695 | pix = surface + (i * ie->w); | ||
696 | if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w); | ||
697 | if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file; | ||
698 | p = pixbuf; | ||
699 | if (i >= (int)ie->h) continue; | ||
700 | for (j = 0; j < w; j++) | ||
701 | { | ||
702 | unsigned char a, r, g, b; | ||
703 | |||
704 | if (j >= (int)ie->w) break; | ||
705 | b = p[0]; | ||
706 | g = p[1]; | ||
707 | r = p[2]; | ||
708 | p += 3; | ||
709 | a = 0xff; | ||
710 | *pix = ARGB_JOIN(a, r, g, b); | ||
711 | pix++; | ||
712 | } | ||
713 | } | ||
714 | } | ||
715 | else if (bitcount == 32) | ||
716 | { | ||
717 | pstride = w * 4; | ||
718 | for (i = 0; i < h; i++) | ||
719 | { | ||
720 | pix = surface + (i * ie->w); | ||
721 | if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w); | ||
722 | if (!read_mem(map, fsize, &position, pixbuf, pstride)) goto close_file; | ||
723 | p = pixbuf; | ||
724 | if (i >= (int)ie->h) continue; | ||
725 | for (j = 0; j < w; j++) | ||
726 | { | ||
727 | unsigned char a, r, g, b; | ||
728 | |||
729 | if (j >= (int)ie->w) break; | ||
730 | b = p[0]; | ||
731 | g = p[1]; | ||
732 | r = p[2]; | ||
733 | a = p[3]; | ||
734 | p += 4; | ||
735 | if (a) none_zero_alpha = 1; | ||
736 | *pix = ARGB_JOIN(a, r, g, b); | ||
737 | pix++; | ||
738 | } | ||
739 | } | ||
740 | } | ||
741 | if (!none_zero_alpha) | ||
742 | { | ||
743 | if (!read_mem(map, fsize, &position, maskbuf, stride * 4 * h)) goto close_file; | ||
744 | // apply mask | ||
745 | pix = surface; | ||
746 | for (i = 0; i < h; i++) | ||
747 | { | ||
748 | unsigned char *m; | ||
749 | |||
750 | pix = surface + (i * ie->w); | ||
751 | if (!right_way_up) pix = surface + ((ie->h - 1 - i) * ie->w); | ||
752 | m = maskbuf + (stride * i * 4); | ||
753 | if (i >= (int)ie->h) continue; | ||
754 | for (j = 0; j < w; j++) | ||
755 | { | ||
756 | if (j >= (int)ie->w) break; | ||
757 | if (*m & (1 << (7 - (j & 0x7)))) | ||
758 | A_VAL(pix) = 0x00; | ||
759 | else | ||
760 | A_VAL(pix) = 0xff; | ||
761 | if ((j & 0x7) == 0x7) m++; | ||
762 | pix++; | ||
763 | } | ||
764 | } | ||
765 | } | ||
766 | |||
767 | eina_file_map_free(f, map); | ||
768 | eina_file_close(f); | ||
769 | |||
770 | evas_common_image_premul(ie); | ||
771 | *error = EVAS_LOAD_ERROR_NONE; | ||
772 | return EINA_TRUE; | ||
773 | |||
774 | close_file: | ||
775 | if (map) eina_file_map_free(f, map); | ||
776 | eina_file_close(f); | ||
777 | return EINA_FALSE; | ||
778 | } | ||
779 | |||
780 | static int | ||
781 | module_open(Evas_Module *em) | ||
782 | { | ||
783 | if (!em) return 0; | ||
784 | em->functions = (void *)(&evas_image_load_ico_func); | ||
785 | return 1; | ||
786 | } | ||
787 | |||
788 | static void | ||
789 | module_close(Evas_Module *em __UNUSED__) | ||
790 | { | ||
791 | } | ||
792 | |||
793 | static Evas_Module_Api evas_modapi = | ||
794 | { | ||
795 | EVAS_MODULE_API_VERSION, | ||
796 | "ico", | ||
797 | "none", | ||
798 | { | ||
799 | module_open, | ||
800 | module_close | ||
801 | } | ||
802 | }; | ||
803 | |||
804 | EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_IMAGE_LOADER, image_loader, ico); | ||
805 | |||
806 | #ifndef EVAS_STATIC_BUILD_ICO | ||
807 | EVAS_EINA_MODULE_DEFINE(image_loader, ico); | ||
808 | #endif | ||