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92bda632 TC |
1 | #include "imexttypes.h" |
2 | #include "imager.h" | |
3 | ||
4 | /* | |
5 | DON'T ADD CASTS TO THESE | |
6 | */ | |
7 | im_ext_funcs imager_function_table = | |
8 | { | |
d1f5892c TC |
9 | IMAGER_API_VERSION, |
10 | IMAGER_API_LEVEL, | |
11 | ||
92bda632 TC |
12 | mymalloc, |
13 | myfree, | |
14 | myrealloc, | |
15 | ||
e310e5f9 TC |
16 | mymalloc_file_line, |
17 | myfree_file_line, | |
18 | myrealloc_file_line, | |
19 | ||
92bda632 TC |
20 | i_img_8_new, |
21 | i_img_16_new, | |
22 | i_img_double_new, | |
23 | i_img_pal_new, | |
24 | i_img_destroy, | |
25 | i_sametype, | |
26 | i_sametype_chans, | |
27 | i_img_info, | |
28 | ||
29 | i_ppix, | |
30 | i_gpix, | |
31 | i_ppixf, | |
32 | i_gpixf, | |
33 | i_plin, | |
34 | i_glin, | |
35 | i_plinf, | |
36 | i_glinf, | |
37 | i_gsamp, | |
38 | i_gsampf, | |
39 | i_gpal, | |
40 | i_ppal, | |
41 | i_addcolors, | |
42 | i_getcolors, | |
43 | i_colorcount, | |
44 | i_maxcolors, | |
45 | i_findcolor, | |
46 | i_setcolors, | |
47 | ||
48 | i_new_fill_solid, | |
49 | i_new_fill_solidf, | |
50 | i_new_fill_hatch, | |
51 | i_new_fill_hatchf, | |
52 | i_new_fill_image, | |
53 | i_new_fill_fount, | |
54 | i_fill_destroy, | |
55 | ||
56 | i_quant_makemap, | |
57 | i_quant_translate, | |
58 | i_quant_transparent, | |
59 | ||
60 | i_clear_error, | |
61 | i_push_error, | |
62 | i_push_errorf, | |
63 | i_push_errorvf, | |
64 | ||
65 | i_tags_new, | |
66 | i_tags_set, | |
67 | i_tags_setn, | |
68 | i_tags_destroy, | |
69 | i_tags_find, | |
70 | i_tags_findn, | |
71 | i_tags_delete, | |
72 | i_tags_delbyname, | |
73 | i_tags_delbycode, | |
74 | i_tags_get_float, | |
75 | i_tags_set_float, | |
76 | i_tags_set_float2, | |
77 | i_tags_get_int, | |
78 | i_tags_get_string, | |
79 | i_tags_get_color, | |
80 | i_tags_set_color, | |
81 | ||
82 | i_box, | |
83 | i_box_filled, | |
84 | i_box_cfill, | |
85 | i_line, | |
86 | i_line_aa, | |
87 | i_arc, | |
88 | i_arc_aa, | |
89 | i_arc_cfill, | |
90 | i_arc_aa_cfill, | |
91 | i_circle_aa, | |
92 | i_flood_fill, | |
93 | i_flood_cfill, | |
94 | ||
95 | i_copyto, | |
96 | i_copyto_trans, | |
97 | i_copy, | |
98 | i_rubthru, | |
2b405c9e TC |
99 | |
100 | /* IMAGER_API_LEVEL 2 functions */ | |
101 | i_set_image_file_limits, | |
102 | i_get_image_file_limits, | |
103 | i_int_check_image_file_limits, | |
3efb0915 TC |
104 | |
105 | i_flood_fill_border, | |
106 | i_flood_cfill_border, | |
d5477d3d TC |
107 | |
108 | /* IMAGER_API_LEVEL 3 functions */ | |
109 | i_img_setmask, | |
110 | i_img_getmask, | |
111 | i_img_getchannels, | |
112 | i_img_get_width, | |
113 | i_img_get_height, | |
114 | i_lhead, | |
bd8052a6 TC |
115 | i_loog, |
116 | ||
117 | /* IMAGER_API_LEVEL 4 functions */ | |
118 | i_img_alloc, | |
119 | i_img_init, | |
e5ee047b TC |
120 | |
121 | /* IMAGER_API_LEVEL 5 functions */ | |
122 | i_img_is_monochrome | |
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123 | }; |
124 | ||
125 | /* in general these functions aren't called by Imager internally, but | |
126 | only via the pointers above, since faster macros that call the | |
127 | image vtable pointers are used. | |
128 | ||
129 | () are used around the function names to prevent macro replacement | |
130 | on the function names. | |
131 | */ | |
132 | ||
133 | /* | |
134 | =item i_ppix(im, x, y, color) | |
135 | ||
136 | =category Drawing | |
137 | ||
138 | Sets the pixel at (x,y) to I<color>. | |
139 | ||
140 | Returns 0 if the pixel was drawn, or -1 if not. | |
141 | ||
142 | Does no alpha blending, just copies the channels from the supplied | |
143 | color to the image. | |
144 | ||
145 | =cut | |
146 | */ | |
147 | ||
148 | int | |
97ac0a96 | 149 | (i_ppix)(i_img *im, int x, int y, const i_color *val) { |
92bda632 TC |
150 | return i_ppix(im, x, y, val); |
151 | } | |
152 | ||
153 | /* | |
5715f7c3 | 154 | =item i_gpix(im, C<x>, C<y>, C<color>) |
92bda632 TC |
155 | |
156 | =category Drawing | |
157 | ||
5715f7c3 | 158 | Retrieves the C<color> of the pixel (x,y). |
92bda632 TC |
159 | |
160 | Returns 0 if the pixel was retrieved, or -1 if not. | |
161 | ||
162 | =cut | |
163 | */ | |
164 | ||
165 | int | |
166 | (i_gpix)(i_img *im,int x,int y,i_color *val) { | |
167 | return i_gpix(im, x, y, val); | |
168 | } | |
169 | ||
170 | /* | |
5715f7c3 | 171 | =item i_ppixf(im, C<x>, C<y>, C<fcolor>) |
92bda632 TC |
172 | |
173 | =category Drawing | |
174 | ||
5715f7c3 | 175 | Sets the pixel at (C<x>,C<y>) to the floating point color C<fcolor>. |
92bda632 TC |
176 | |
177 | Returns 0 if the pixel was drawn, or -1 if not. | |
178 | ||
179 | Does no alpha blending, just copies the channels from the supplied | |
180 | color to the image. | |
181 | ||
182 | =cut | |
183 | */ | |
184 | int | |
97ac0a96 | 185 | (i_ppixf)(i_img *im, int x, int y, const i_fcolor *val) { |
92bda632 TC |
186 | return i_ppixf(im, x, y, val); |
187 | } | |
188 | ||
189 | /* | |
5715f7c3 | 190 | =item i_gpixf(im, C<x>, C<y>, C<fcolor>) |
92bda632 TC |
191 | |
192 | =category Drawing | |
193 | ||
194 | Retrieves the color of the pixel (x,y) as a floating point color into | |
5715f7c3 | 195 | C<fcolor>. |
92bda632 TC |
196 | |
197 | Returns 0 if the pixel was retrieved, or -1 if not. | |
198 | ||
199 | =cut | |
200 | */ | |
201 | ||
202 | int | |
203 | (i_gpixf)(i_img *im,int x,int y,i_fcolor *val) { | |
204 | return i_gpixf(im, x, y, val); | |
205 | } | |
206 | ||
207 | /* | |
208 | =item i_plin(im, l, r, y, colors) | |
209 | ||
210 | =category Drawing | |
211 | ||
212 | Sets (r-l) pixels starting from (l,y) using (r-l) values from | |
213 | I<colors>. | |
214 | ||
215 | Returns the number of pixels set. | |
216 | ||
217 | =cut | |
218 | */ | |
219 | ||
220 | int | |
97ac0a96 | 221 | (i_plin)(i_img *im, int l, int r, int y, const i_color *vals) { |
92bda632 TC |
222 | return i_plin(im, l, r, y, vals); |
223 | } | |
224 | ||
225 | /* | |
226 | =item i_glin(im, l, r, y, colors) | |
227 | ||
228 | =category Drawing | |
229 | ||
230 | Retrieves (r-l) pixels starting from (l,y) into I<colors>. | |
231 | ||
232 | Returns the number of pixels retrieved. | |
233 | ||
234 | =cut | |
235 | */ | |
236 | ||
237 | int | |
238 | (i_glin)(i_img *im, int l, int r, int y, i_color *vals) { | |
239 | return i_glin(im, l, r, y, vals); | |
240 | } | |
241 | ||
242 | /* | |
5715f7c3 | 243 | =item i_plinf(im, C<left>, C<right>, C<fcolors>) |
92bda632 TC |
244 | |
245 | =category Drawing | |
246 | ||
5715f7c3 TC |
247 | Sets (right-left) pixels starting from (left,y) using (right-left) |
248 | floating point colors from C<fcolors>. | |
92bda632 TC |
249 | |
250 | Returns the number of pixels set. | |
251 | ||
252 | =cut | |
253 | */ | |
254 | ||
255 | int | |
97ac0a96 | 256 | (i_plinf)(i_img *im, int l, int r, int y, const i_fcolor *vals) { |
92bda632 TC |
257 | return i_plinf(im, l, r, y, vals); |
258 | } | |
259 | ||
260 | /* | |
261 | =item i_glinf(im, l, r, y, colors) | |
262 | ||
263 | =category Drawing | |
264 | ||
265 | Retrieves (r-l) pixels starting from (l,y) into I<colors> as floating | |
266 | point colors. | |
267 | ||
268 | Returns the number of pixels retrieved. | |
269 | ||
270 | =cut | |
271 | */ | |
272 | ||
273 | int | |
274 | (i_glinf)(i_img *im, int l, int r, int y, i_fcolor *vals) { | |
275 | return i_glinf(im, l, r, y, vals); | |
276 | } | |
277 | ||
278 | /* | |
5715f7c3 | 279 | =item i_gsamp(im, left, right, y, samples, channels, channel_count) |
92bda632 TC |
280 | |
281 | =category Drawing | |
282 | ||
5715f7c3 TC |
283 | Reads sample values from C<im> for the horizontal line (left, y) to |
284 | (right-1,y) for the channels specified by C<channels>, an array of int | |
285 | with C<channel_count> elements. | |
92bda632 | 286 | |
5715f7c3 | 287 | If channels is NULL then the first channels_count channels are retrieved for |
92bda632 TC |
288 | each pixel. |
289 | ||
5715f7c3 TC |
290 | Returns the number of samples read (which should be (right-left) * |
291 | channel_count) | |
92bda632 TC |
292 | |
293 | =cut | |
294 | */ | |
295 | int | |
296 | (i_gsamp)(i_img *im, int l, int r, int y, i_sample_t *samp, | |
297 | const int *chans, int chan_count) { | |
298 | return i_gsamp(im, l, r, y, samp, chans, chan_count); | |
299 | } | |
300 | ||
301 | /* | |
5715f7c3 | 302 | =item i_gsampf(im, left, right, y, samples, channels, channel_count) |
92bda632 TC |
303 | |
304 | =category Drawing | |
305 | ||
5715f7c3 TC |
306 | Reads floating point sample values from C<im> for the horizontal line |
307 | (left, y) to (right-1,y) for the channels specified by C<channels>, an | |
308 | array of int with channel_count elements. | |
92bda632 | 309 | |
5715f7c3 TC |
310 | If C<channels> is NULL then the first C<channel_count> channels are |
311 | retrieved for each pixel. | |
92bda632 | 312 | |
5715f7c3 TC |
313 | Returns the number of samples read (which should be (C<right>-C<left>) |
314 | * C<channel_count>) | |
92bda632 TC |
315 | |
316 | =cut | |
317 | */ | |
318 | int | |
319 | (i_gsampf)(i_img *im, int l, int r, int y, i_fsample_t *samp, | |
320 | const int *chans, int chan_count) { | |
321 | return i_gsampf(im, l, r, y, samp, chans, chan_count); | |
322 | } | |
323 | ||
324 | /* | |
5715f7c3 | 325 | =item i_gpal(im, left, right, y, indexes) |
92bda632 TC |
326 | |
327 | =category Drawing | |
328 | ||
5715f7c3 TC |
329 | Reads palette indexes for the horizontal line (left, y) to (right-1, |
330 | y) into C<indexes>. | |
92bda632 TC |
331 | |
332 | Returns the number of indexes read. | |
333 | ||
334 | Always returns 0 for direct color images. | |
335 | ||
336 | =cut | |
337 | */ | |
338 | int | |
339 | (i_gpal)(i_img *im, int x, int r, int y, i_palidx *vals) { | |
340 | return i_gpal(im, x, r, y, vals); | |
341 | } | |
342 | ||
343 | /* | |
5715f7c3 | 344 | =item i_ppal(im, left, right, y, indexes) |
92bda632 TC |
345 | |
346 | =category Drawing | |
347 | ||
5715f7c3 TC |
348 | Writes palette indexes for the horizontal line (left, y) to (right-1, |
349 | y) from C<indexes>. | |
92bda632 TC |
350 | |
351 | Returns the number of indexes written. | |
352 | ||
353 | Always returns 0 for direct color images. | |
354 | ||
355 | =cut | |
356 | */ | |
357 | int | |
97ac0a96 | 358 | (i_ppal)(i_img *im, int x, int r, int y, const i_palidx *vals) { |
92bda632 TC |
359 | return i_ppal(im, x, r, y, vals); |
360 | } | |
361 | ||
362 | /* | |
363 | =item i_addcolors(im, colors, count) | |
364 | ||
365 | =category Paletted images | |
366 | ||
367 | Adds colors to the image's palette. | |
368 | ||
369 | On success returns the index of the lowest color added. | |
370 | ||
371 | On failure returns -1. | |
372 | ||
373 | Always fails for direct color images. | |
374 | ||
375 | =cut | |
376 | */ | |
377 | ||
378 | int | |
97ac0a96 | 379 | (i_addcolors)(i_img *im, const i_color *colors, int count) { |
92bda632 TC |
380 | return i_addcolors(im, colors, count); |
381 | } | |
382 | ||
383 | /* | |
384 | =item i_getcolors(im, index, colors, count) | |
385 | ||
386 | =category Paletted images | |
387 | ||
388 | Retrieves I<count> colors starting from I<index> in the image's | |
389 | palette. | |
390 | ||
391 | On success stores the colors into I<colors> and returns true. | |
392 | ||
393 | On failure returns false. | |
394 | ||
395 | Always fails for direct color images. | |
396 | ||
397 | Fails if there are less than I<index>+I<count> colors in the image's | |
398 | palette. | |
399 | ||
400 | =cut | |
401 | */ | |
402 | ||
403 | int | |
404 | (i_getcolors)(i_img *im, int i, i_color *colors, int count) { | |
405 | return i_getcolors(im, i, colors, count); | |
406 | } | |
407 | ||
408 | /* | |
409 | =item i_colorcount(im) | |
410 | ||
411 | =category Paletted images | |
412 | ||
413 | Returns the number of colors in the image's palette. | |
414 | ||
415 | Returns -1 for direct images. | |
416 | ||
417 | =cut | |
418 | */ | |
419 | ||
420 | int | |
421 | (i_colorcount)(i_img *im) { | |
422 | return i_colorcount(im); | |
423 | } | |
424 | ||
425 | /* | |
426 | =item i_maxcolors(im) | |
427 | ||
428 | =category Paletted images | |
429 | ||
430 | Returns the maximum number of colors the palette can hold for the | |
431 | image. | |
432 | ||
433 | Returns -1 for direct color images. | |
434 | ||
435 | =cut | |
436 | */ | |
437 | ||
438 | int | |
439 | (i_maxcolors)(i_img *im) { | |
440 | return i_maxcolors(im); | |
441 | } | |
442 | ||
443 | /* | |
444 | =item i_findcolor(im, color, &entry) | |
445 | ||
446 | =category Paletted images | |
447 | ||
448 | Searches the images palette for the given color. | |
449 | ||
450 | On success sets *I<entry> to the index of the color, and returns true. | |
451 | ||
452 | On failure returns false. | |
453 | ||
454 | Always fails on direct color images. | |
455 | ||
456 | =cut | |
457 | */ | |
458 | int | |
97ac0a96 | 459 | (i_findcolor)(i_img *im, const i_color *color, i_palidx *entry) { |
92bda632 TC |
460 | return i_findcolor(im, color, entry); |
461 | } | |
462 | ||
463 | /* | |
464 | =item i_setcolors(im, index, colors, count) | |
465 | ||
466 | =category Paletted images | |
467 | ||
468 | Sets I<count> colors starting from I<index> in the image's palette. | |
469 | ||
5715f7c3 | 470 | On success returns true. |
92bda632 TC |
471 | |
472 | On failure returns false. | |
473 | ||
474 | The image must have at least I<index>+I<count> colors in it's palette | |
475 | for this to succeed. | |
476 | ||
477 | Always fails on direct color images. | |
478 | ||
479 | =cut | |
480 | */ | |
481 | int | |
97ac0a96 | 482 | (i_setcolors)(i_img *im, int index, const i_color *colors, int count) { |
92bda632 TC |
483 | return i_setcolors(im, index, colors, count); |
484 | } | |
485 |