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re-work XS handling of channel lists
[imager.git] / Imager.xs
CommitLineData
b13a3ddb 1#define PERL_NO_GET_CONTEXT
02d1d628
AMH		 2#ifdef __cplusplus
3extern "C" {
4#endif
5#include "EXTERN.h"
6#include "perl.h"
7#include "XSUB.h"
7a6cd05b
TC		 8#define NEED_newRV_noinc
9#define NEED_sv_2pv_nolen
f35d1231 10#define NEED_sv_2pvbyte
02d1d628
AMH		 11#include "ppport.h"
12#ifdef __cplusplus
92bda632 13}
02d1d628
AMH		 14#endif
15
a8652edf
TC		 16#define i_int_hlines_testing() 1
17
92bda632 18#include "imager.h"
02d1d628
AMH		 19#include "feat.h"
20#include "dynaload.h"
21#include "regmach.h"
92bda632 22#include "imextdef.h"
ec6d8908 23#include "imextpltypes.h"
4498c8bd 24#include <float.h>
a8652edf 25
92bda632
TC		 26#if i_int_hlines_testing()
27#include "imageri.h"
02d1d628
AMH		 28#endif
29
92bda632 30#include "imperl.h"
faa9b3e7 31
6a9807e8
TC		 32/* used to represent channel lists parameters */
33typedef struct i_channel_list_tag {
34 int *channels;
35 int count;
36} i_channel_list;
37
ebe9b189
TC		 38/*
39
40Allocate memory that will be discarded when mortals are discarded.
41
42*/
43
44static void *
45malloc_temp(pTHX_ size_t size) {
46 SV *sv = sv_2mortal(newSV(size));
47
48 return SvPVX(sv);
49}
50
b33c08f8
TC		 51/* These functions are all shared - then comes platform dependant code */
52static int getstr(void *hv_t,char *key,char **store) {
b13a3ddb 53 dTHX;
b33c08f8
TC		 54 SV** svpp;
55 HV* hv=(HV*)hv_t;
56
8d14daab 57 mm_log((1,"getstr(hv_t %p, key %s, store %p)\n",hv_t,key,store));
b33c08f8
TC		 58
59 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
60
61 svpp=hv_fetch(hv, key, strlen(key), 0);
62 *store=SvPV(*svpp, PL_na );
63
64 return 1;
65}
66
67static int getint(void *hv_t,char *key,int *store) {
b13a3ddb 68 dTHX;
b33c08f8
TC		 69 SV** svpp;
70 HV* hv=(HV*)hv_t;
71
8d14daab 72 mm_log((1,"getint(hv_t %p, key %s, store %p)\n",hv_t,key,store));
b33c08f8
TC		 73
74 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
75
76 svpp=hv_fetch(hv, key, strlen(key), 0);
77 *store=(int)SvIV(*svpp);
78 return 1;
79}
80
81static int getdouble(void *hv_t,char* key,double *store) {
b13a3ddb 82 dTHX;
b33c08f8
TC		 83 SV** svpp;
84 HV* hv=(HV*)hv_t;
85
8d14daab 86 mm_log((1,"getdouble(hv_t %p, key %s, store %p)\n",hv_t,key,store));
b33c08f8
TC		 87
88 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
89 svpp=hv_fetch(hv, key, strlen(key), 0);
8d14daab 90 *store=(double)SvNV(*svpp);
b33c08f8
TC		 91 return 1;
92}
93
94static int getvoid(void *hv_t,char* key,void **store) {
b13a3ddb 95 dTHX;
b33c08f8
TC		 96 SV** svpp;
97 HV* hv=(HV*)hv_t;
98
8d14daab 99 mm_log((1,"getvoid(hv_t %p, key %s, store %p)\n",hv_t,key,store));
b33c08f8
TC		 100
101 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
102
103 svpp=hv_fetch(hv, key, strlen(key), 0);
104 *store = INT2PTR(void*, SvIV(*svpp));
105
106 return 1;
107}
108
109static int getobj(void *hv_t,char *key,char *type,void **store) {
b13a3ddb 110 dTHX;
b33c08f8
TC		 111 SV** svpp;
112 HV* hv=(HV*)hv_t;
113
8d14daab 114 mm_log((1,"getobj(hv_t %p, key %s,type %s, store %p)\n",hv_t,key,type,store));
b33c08f8
TC		 115
116 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
117
118 svpp=hv_fetch(hv, key, strlen(key), 0);
119
120 if (sv_derived_from(*svpp,type)) {
121 IV tmp = SvIV((SV*)SvRV(*svpp));
122 *store = INT2PTR(void*, tmp);
123 } else {
124 mm_log((1,"getobj: key exists in hash but is not of correct type"));
125 return 0;
126 }
127
128 return 1;
129}
130
131UTIL_table_t i_UTIL_table={getstr,getint,getdouble,getvoid,getobj};
4dfa5522
AMH		 132
133void my_SvREFCNT_dec(void *p) {
b13a3ddb 134 dTHX;
4dfa5522
AMH		 135 SvREFCNT_dec((SV*)p);
136}
137
7f882a01 138
b33c08f8 139static void
bf1573f9 140i_log_entry(char *string, int level) {
b7506a07 141 mm_log((level, "%s", string));
7f882a01
AMH		 142}
143
5e9a7fbd
TC		 144static SV *
145make_i_color_sv(pTHX_ const i_color *c) {
146 SV *sv;
147 i_color *col = mymalloc(sizeof(i_color));
148 *col = *c;
149 sv = sv_newmortal();
150 sv_setref_pv(sv, "Imager::Color", (void *)col);
151
152 return sv;
153}
7f882a01 154
10461f9a
TC		 155#define CBDATA_BUFSIZE 8192
156
157struct cbdata {
158 /* the SVs we use to call back to Perl */
159 SV *writecb;
160 SV *readcb;
161 SV *seekcb;
162 SV *closecb;
10461f9a
TC		 163};
164
6d5c85a2
TC		 165static ssize_t
166call_reader(struct cbdata *cbd, void *buf, size_t size,
167 size_t maxread) {
b13a3ddb 168 dTHX;
10461f9a
TC		 169 int count;
170 int result;
171 SV *data;
172 dSP;
173
174 if (!SvOK(cbd->readcb))
175 return -1;
176
177 ENTER;
178 SAVETMPS;
179 EXTEND(SP, 2);
180 PUSHMARK(SP);
181 PUSHs(sv_2mortal(newSViv(size)));
182 PUSHs(sv_2mortal(newSViv(maxread)));
183 PUTBACK;
184
185 count = perl_call_sv(cbd->readcb, G_SCALAR);
186
187 SPAGAIN;
188
189 if (count != 1)
190 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
191
192 data = POPs;
193
194 if (SvOK(data)) {
195 STRLEN len;
6d5c85a2 196 char *ptr = SvPVbyte(data, len);
10461f9a 197 if (len > maxread)
6d5c85a2
TC		 198 croak("Too much data returned in reader callback (wanted %d, got %d, expected %d)",
199 (int)size, (int)len, (int)maxread);
10461f9a
TC		 200
201 memcpy(buf, ptr, len);
202 result = len;
203 }
204 else {
205 result = -1;
206 }
207
208 PUTBACK;
209 FREETMPS;
210 LEAVE;
211
212 return result;
213}
214
6d5c85a2
TC		 215static off_t
216io_seeker(void *p, off_t offset, int whence) {
b13a3ddb 217 dTHX;
10461f9a
TC		 218 struct cbdata *cbd = p;
219 int count;
220 off_t result;
221 dSP;
222
223 if (!SvOK(cbd->seekcb))
224 return -1;
225
10461f9a
TC		 226 ENTER;
227 SAVETMPS;
228 EXTEND(SP, 2);
229 PUSHMARK(SP);
230 PUSHs(sv_2mortal(newSViv(offset)));
231 PUSHs(sv_2mortal(newSViv(whence)));
232 PUTBACK;
233
234 count = perl_call_sv(cbd->seekcb, G_SCALAR);
235
236 SPAGAIN;
237
238 if (count != 1)
239 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
240
241 result = POPi;
242
243 PUTBACK;
244 FREETMPS;
245 LEAVE;
246
247 return result;
248}
249
6d5c85a2
TC		 250static ssize_t
251io_writer(void *p, void const *data, size_t size) {
b13a3ddb 252 dTHX;
10461f9a 253 struct cbdata *cbd = p;
6d5c85a2
TC		 254 I32 count;
255 SV *sv;
256 dSP;
257 bool success;
10461f9a 258
6d5c85a2
TC		 259 if (!SvOK(cbd->writecb))
260 return -1;
261
262 ENTER;
263 SAVETMPS;
264 EXTEND(SP, 1);
265 PUSHMARK(SP);
266 PUSHs(sv_2mortal(newSVpv((char *)data, size)));
267 PUTBACK;
268
269 count = perl_call_sv(cbd->writecb, G_SCALAR);
270
271 SPAGAIN;
272 if (count != 1)
273 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
274
275 sv = POPs;
276 success = SvTRUE(sv);
277
278
279 PUTBACK;
280 FREETMPS;
281 LEAVE;
282
283 return success ? size : -1;
10461f9a
TC		 284}
285
1f6c1c10
TC		 286static ssize_t
287io_reader(void *p, void *data, size_t size) {
10461f9a 288 struct cbdata *cbd = p;
10461f9a 289
6d5c85a2 290 return call_reader(cbd, data, size, size);
10461f9a
TC		 291}
292
2b405c9e 293static int io_closer(void *p) {
b13a3ddb 294 dTHX;
10461f9a 295 struct cbdata *cbd = p;
6d5c85a2 296 int success = 1;
10461f9a
TC		 297
298 if (SvOK(cbd->closecb)) {
299 dSP;
6d5c85a2
TC		 300 I32 count;
301 SV *sv;
10461f9a
TC		 302
303 ENTER;
304 SAVETMPS;
305 PUSHMARK(SP);
306 PUTBACK;
307
6d5c85a2 308 count = perl_call_sv(cbd->closecb, G_SCALAR);
10461f9a
TC		 309
310 SPAGAIN;
6d5c85a2
TC		 311
312 sv = POPs;
313 success = SvTRUE(sv);
314
10461f9a
TC		 315 PUTBACK;
316 FREETMPS;
317 LEAVE;
318 }
2b405c9e 319
6d5c85a2 320 return success ? 0 : -1;
10461f9a
TC		 321}
322
323static void io_destroyer(void *p) {
b13a3ddb 324 dTHX;
10461f9a
TC		 325 struct cbdata *cbd = p;
326
327 SvREFCNT_dec(cbd->writecb);
328 SvREFCNT_dec(cbd->readcb);
329 SvREFCNT_dec(cbd->seekcb);
330 SvREFCNT_dec(cbd->closecb);
a4168bea 331 myfree(cbd);
10461f9a
TC		 332}
333
6d5c85a2
TC		 334static i_io_glue_t *
335do_io_new_buffer(pTHX_ SV *data_sv) {
336 const char *data;
337 STRLEN length;
338
339 data = SvPVbyte(data_sv, length);
340 SvREFCNT_inc(data_sv);
341 return io_new_buffer(data, length, my_SvREFCNT_dec, data_sv);
342}
343
344static i_io_glue_t *
345do_io_new_cb(pTHX_ SV *writecb, SV *readcb, SV *seekcb, SV *closecb) {
346 struct cbdata *cbd;
347
348 cbd = mymalloc(sizeof(struct cbdata));
349 cbd->writecb = newSVsv(writecb);
350 cbd->readcb = newSVsv(readcb);
351 cbd->seekcb = newSVsv(seekcb);
352 cbd->closecb = newSVsv(closecb);
353
354 return io_new_cb(cbd, io_reader, io_writer, io_seeker, io_closer,
355 io_destroyer);
356}
357
02d1d628
AMH		 358struct value_name {
359 char *name;
360 int value;
361};
362static int lookup_name(struct value_name *names, int count, char *name, int def_value)
363{
364 int i;
365 for (i = 0; i < count; ++i)
366 if (strEQ(names[i].name, name))
367 return names[i].value;
368
369 return def_value;
370}
371static struct value_name transp_names[] =
372{
373 { "none", tr_none },
374 { "threshold", tr_threshold },
375 { "errdiff", tr_errdiff },
376 { "ordered", tr_ordered, },
377};
378
379static struct value_name make_color_names[] =
380{
381 { "none", mc_none, },
382 { "webmap", mc_web_map, },
383 { "addi", mc_addi, },
97c4effc 384 { "mediancut", mc_median_cut, },
9c106321
TC		 385 { "mono", mc_mono, },
386 { "monochrome", mc_mono, },
5e9a7fbd
TC		 387 { "gray", mc_gray, },
388 { "gray4", mc_gray4, },
389 { "gray16", mc_gray16, },
02d1d628
AMH		 390};
391
392static struct value_name translate_names[] =
393{
02d1d628 394 { "giflib", pt_giflib, },
02d1d628
AMH		 395 { "closest", pt_closest, },
396 { "perturb", pt_perturb, },
397 { "errdiff", pt_errdiff, },
398};
399
400static struct value_name errdiff_names[] =
401{
402 { "floyd", ed_floyd, },
403 { "jarvis", ed_jarvis, },
404 { "stucki", ed_stucki, },
405 { "custom", ed_custom, },
406};
407
408static struct value_name orddith_names[] =
409{
410 { "random", od_random, },
411 { "dot8", od_dot8, },
412 { "dot4", od_dot4, },
413 { "hline", od_hline, },
414 { "vline", od_vline, },
415 { "/line", od_slashline, },
416 { "slashline", od_slashline, },
417 { "\\line", od_backline, },
418 { "backline", od_backline, },
e7d4ea82 419 { "tiny", od_tiny, },
02d1d628
AMH		 420 { "custom", od_custom, },
421};
422
423/* look through the hash for quantization options */
ec6d8908
TC		 424static void
425ip_handle_quant_opts(pTHX_ i_quantize *quant, HV *hv)
02d1d628
AMH		 426{
427 /*** POSSIBLY BROKEN: do I need to unref the SV from hv_fetch ***/
428 SV **sv;
429 int i;
430 STRLEN len;
431 char *str;
432
46a04ceb
TC		 433 quant->mc_colors = mymalloc(quant->mc_size * sizeof(i_color));
434
02d1d628
AMH		 435 sv = hv_fetch(hv, "transp", 6, 0);
436 if (sv && *sv && (str = SvPV(*sv, len))) {
437 quant->transp =
438 lookup_name(transp_names, sizeof(transp_names)/sizeof(*transp_names),
439 str, tr_none);
440 if (quant->transp != tr_none) {
441 quant->tr_threshold = 127;
442 sv = hv_fetch(hv, "tr_threshold", 12, 0);
443 if (sv && *sv)
444 quant->tr_threshold = SvIV(*sv);
445 }
446 if (quant->transp == tr_errdiff) {
447 sv = hv_fetch(hv, "tr_errdiff", 10, 0);
448 if (sv && *sv && (str = SvPV(*sv, len)))
449 quant->tr_errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
450 }
451 if (quant->transp == tr_ordered) {
e7d4ea82 452 quant->tr_orddith = od_tiny;
02d1d628
AMH		 453 sv = hv_fetch(hv, "tr_orddith", 10, 0);
454 if (sv && *sv && (str = SvPV(*sv, len)))
455 quant->tr_orddith = lookup_name(orddith_names, sizeof(orddith_names)/sizeof(*orddith_names), str, od_random);
456
457 if (quant->tr_orddith == od_custom) {
458 sv = hv_fetch(hv, "tr_map", 6, 0);
459 if (sv && *sv && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
460 AV *av = (AV*)SvRV(*sv);
461 len = av_len(av) + 1;
462 if (len > sizeof(quant->tr_custom))
463 len = sizeof(quant->tr_custom);
464 for (i = 0; i < len; ++i) {
465 SV **sv2 = av_fetch(av, i, 0);
466 if (sv2 && *sv2) {
467 quant->tr_custom[i] = SvIV(*sv2);
468 }
469 }
470 while (i < sizeof(quant->tr_custom))
471 quant->tr_custom[i++] = 0;
472 }
473 }
474 }
475 }
0348fe07 476 quant->make_colors = mc_median_cut;
02d1d628
AMH		 477 sv = hv_fetch(hv, "make_colors", 11, 0);
478 if (sv && *sv && (str = SvPV(*sv, len))) {
479 quant->make_colors =
74de8638 480 lookup_name(make_color_names, sizeof(make_color_names)/sizeof(*make_color_names), str, mc_median_cut);
02d1d628
AMH		 481 }
482 sv = hv_fetch(hv, "colors", 6, 0);
483 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
484 /* needs to be an array of Imager::Color
485 note that the caller allocates the mc_color array and sets mc_size
486 to it's size */
487 AV *av = (AV *)SvRV(*sv);
488 quant->mc_count = av_len(av)+1;
489 if (quant->mc_count > quant->mc_size)
490 quant->mc_count = quant->mc_size;
491 for (i = 0; i < quant->mc_count; ++i) {
492 SV **sv1 = av_fetch(av, i, 0);
493 if (sv1 && *sv1 && SvROK(*sv1) && sv_derived_from(*sv1, "Imager::Color")) {
4c4c2ffd 494 i_color *col = INT2PTR(i_color *, SvIV((SV*)SvRV(*sv1)));
02d1d628
AMH		 495 quant->mc_colors[i] = *col;
496 }
497 }
498 }
499 sv = hv_fetch(hv, "max_colors", 10, 0);
500 if (sv && *sv) {
501 i = SvIV(*sv);
502 if (i <= quant->mc_size && i >= quant->mc_count)
503 quant->mc_size = i;
504 }
505
506 quant->translate = pt_closest;
507 sv = hv_fetch(hv, "translate", 9, 0);
508 if (sv && *sv && (str = SvPV(*sv, len))) {
509 quant->translate = lookup_name(translate_names, sizeof(translate_names)/sizeof(*translate_names), str, pt_closest);
510 }
511 sv = hv_fetch(hv, "errdiff", 7, 0);
512 if (sv && *sv && (str = SvPV(*sv, len))) {
513 quant->errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
514 }
515 if (quant->translate == pt_errdiff && quant->errdiff == ed_custom) {
516 /* get the error diffusion map */
517 sv = hv_fetch(hv, "errdiff_width", 13, 0);
518 if (sv && *sv)
519 quant->ed_width = SvIV(*sv);
520 sv = hv_fetch(hv, "errdiff_height", 14, 0);
521 if (sv && *sv)
522 quant->ed_height = SvIV(*sv);
523 sv = hv_fetch(hv, "errdiff_orig", 12, 0);
524 if (sv && *sv)
525 quant->ed_orig = SvIV(*sv);
526 if (quant->ed_width > 0 && quant->ed_height > 0) {
527 int sum = 0;
528 quant->ed_map = mymalloc(sizeof(int)*quant->ed_width*quant->ed_height);
529 sv = hv_fetch(hv, "errdiff_map", 11, 0);
530 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
531 AV *av = (AV*)SvRV(*sv);
532 len = av_len(av) + 1;
533 if (len > quant->ed_width * quant->ed_height)
534 len = quant->ed_width * quant->ed_height;
535 for (i = 0; i < len; ++i) {
536 SV **sv2 = av_fetch(av, i, 0);
537 if (sv2 && *sv2) {
538 quant->ed_map[i] = SvIV(*sv2);
539 sum += quant->ed_map[i];
540 }
541 }
542 }
543 if (!sum) {
544 /* broken map */
545 myfree(quant->ed_map);
546 quant->ed_map = 0;
547 quant->errdiff = ed_floyd;
548 }
549 }
550 }
551 sv = hv_fetch(hv, "perturb", 7, 0);
552 if (sv && *sv)
553 quant->perturb = SvIV(*sv);
554}
555
ec6d8908
TC		 556static void
557ip_cleanup_quant_opts(pTHX_ i_quantize *quant) {
46a04ceb
TC		 558 myfree(quant->mc_colors);
559 if (quant->ed_map)
560 myfree(quant->ed_map);
561}
562
02d1d628 563/* copies the color map from the hv into the colors member of the HV */
ec6d8908
TC		 564static void
565ip_copy_colors_back(pTHX_ HV *hv, i_quantize *quant) {
02d1d628
AMH		 566 SV **sv;
567 AV *av;
568 int i;
569 SV *work;
570
571 sv = hv_fetch(hv, "colors", 6, 0);
572 if (!sv || !*sv || !SvROK(*sv) || SvTYPE(SvRV(*sv)) != SVt_PVAV) {
5c0d0ddf
TC		 573 /* nothing to do */
574 return;
02d1d628 575 }
5c0d0ddf
TC		 576
577 av = (AV *)SvRV(*sv);
578 av_clear(av);
02d1d628
AMH		 579 av_extend(av, quant->mc_count+1);
580 for (i = 0; i < quant->mc_count; ++i) {
581 i_color *in = quant->mc_colors+i;
582 Imager__Color c = ICL_new_internal(in->rgb.r, in->rgb.g, in->rgb.b, 255);
583 work = sv_newmortal();
584 sv_setref_pv(work, "Imager::Color", (void *)c);
585 SvREFCNT_inc(work);
5c0d0ddf 586 av_push(av, work);
02d1d628
AMH		 587 }
588}
589
f1ac5027 590/* loads the segments of a fountain fill into an array */
b33c08f8 591static i_fountain_seg *
b13a3ddb 592load_fount_segs(pTHX_ AV *asegs, int *count) {
f1ac5027
TC		 593 /* Each element of segs must contain:
594 [ start, middle, end, c0, c1, segtype, colortrans ]
595 start, middle, end are doubles from 0 to 1
596 c0, c1 are Imager::Color::Float or Imager::Color objects
597 segtype, colortrans are ints
598 */
599 int i, j;
600 AV *aseg;
f1ac5027
TC		 601 i_fountain_seg *segs;
602 double work[3];
603 int worki[2];
604
605 *count = av_len(asegs)+1;
606 if (*count < 1)
607 croak("i_fountain must have at least one segment");
608 segs = mymalloc(sizeof(i_fountain_seg) * *count);
609 for(i = 0; i < *count; i++) {
610 SV **sv1 = av_fetch(asegs, i, 0);
611 if (!sv1 || !*sv1 || !SvROK(*sv1)
612 || SvTYPE(SvRV(*sv1)) != SVt_PVAV) {
613 myfree(segs);
614 croak("i_fountain: segs must be an arrayref of arrayrefs");
615 }
616 aseg = (AV *)SvRV(*sv1);
617 if (av_len(aseg) != 7-1) {
618 myfree(segs);
619 croak("i_fountain: a segment must have 7 members");
620 }
621 for (j = 0; j < 3; ++j) {
622 SV **sv2 = av_fetch(aseg, j, 0);
623 if (!sv2 || !*sv2) {
624 myfree(segs);
625 croak("i_fountain: XS error");
626 }
627 work[j] = SvNV(*sv2);
628 }
629 segs[i].start = work[0];
630 segs[i].middle = work[1];
631 segs[i].end = work[2];
632 for (j = 0; j < 2; ++j) {
633 SV **sv3 = av_fetch(aseg, 3+j, 0);
634 if (!sv3 || !*sv3 || !SvROK(*sv3) ||
635 (!sv_derived_from(*sv3, "Imager::Color")
636 && !sv_derived_from(*sv3, "Imager::Color::Float"))) {
637 myfree(segs);
638 croak("i_fountain: segs must contain colors in elements 3 and 4");
639 }
640 if (sv_derived_from(*sv3, "Imager::Color::Float")) {
4c4c2ffd 641 segs[i].c[j] = *INT2PTR(i_fcolor *, SvIV((SV *)SvRV(*sv3)));
f1ac5027
TC		 642 }
643 else {
4c4c2ffd 644 i_color c = *INT2PTR(i_color *, SvIV((SV *)SvRV(*sv3)));
f1ac5027
TC		 645 int ch;
646 for (ch = 0; ch < MAXCHANNELS; ++ch) {
647 segs[i].c[j].channel[ch] = c.channel[ch] / 255.0;
648 }
649 }
650 }
651 for (j = 0; j < 2; ++j) {
652 SV **sv2 = av_fetch(aseg, j+5, 0);
653 if (!sv2 || !*sv2) {
654 myfree(segs);
655 croak("i_fountain: XS error");
656 }
657 worki[j] = SvIV(*sv2);
658 }
659 segs[i].type = worki[0];
660 segs[i].color = worki[1];
661 }
662
663 return segs;
664}
665
4cda4e76
TC		 666/* validates the indexes supplied to i_ppal
667
668i_ppal() doesn't do that for speed, but I'm not comfortable doing that
669for calls from perl.
670
671*/
672static void
673validate_i_ppal(i_img *im, i_palidx const *indexes, int count) {
674 int color_count = i_colorcount(im);
675 int i;
676
677 if (color_count == -1)
678 croak("i_plin() called on direct color image");
679
680 for (i = 0; i < count; ++i) {
681 if (indexes[i] >= color_count) {
682 croak("i_plin() called with out of range color index %d (max %d)",
683 indexes[i], color_count-1);
684 }
685 }
686}
687
688
faa9b3e7
TC		 689/* I don't think ICLF_* names belong at the C interface
690 this makes the XS code think we have them, to let us avoid
691 putting function bodies in the XS code
692*/
693#define ICLF_new_internal(r, g, b, a) i_fcolor_new((r), (g), (b), (a))
694#define ICLF_DESTROY(cl) i_fcolor_destroy(cl)
695
10ea52a3
TC		 696#ifdef IMAGER_LOG
697#define i_log_enabled() 1
698#else
699#define i_log_enabled() 0
700#endif
701
a8652edf
TC		 702#if i_int_hlines_testing()
703
704typedef i_int_hlines *Imager__Internal__Hlines;
705
706static i_int_hlines *
8d14daab 707i_int_hlines_new(i_img_dim start_y, i_img_dim count_y, i_img_dim start_x, i_img_dim count_x) {
a8652edf
TC		 708 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
709 i_int_init_hlines(result, start_y, count_y, start_x, count_x);
710
711 return result;
712}
713
714static i_int_hlines *
715i_int_hlines_new_img(i_img *im) {
716 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
717 i_int_init_hlines_img(result, im);
718
719 return result;
720}
721
722static void
723i_int_hlines_DESTROY(i_int_hlines *hlines) {
724 i_int_hlines_destroy(hlines);
725 myfree(hlines);
726}
727
ffddd407
TC		 728#define i_int_hlines_CLONE_SKIP(cls) 1
729
a8652edf
TC		 730static int seg_compare(const void *vleft, const void *vright) {
731 const i_int_hline_seg *left = vleft;
732 const i_int_hline_seg *right = vright;
733
734 return left->minx - right->minx;
735}
736
737static SV *
738i_int_hlines_dump(i_int_hlines *hlines) {
b13a3ddb 739 dTHX;
8d14daab
TC		 740 SV *dump = newSVpvf("start_y: %" i_DF " limit_y: %" i_DF " start_x: %" i_DF " limit_x: %" i_DF"\n",
741 i_DFc(hlines->start_y), i_DFc(hlines->limit_y), i_DFc(hlines->start_x), i_DFc(hlines->limit_x));
742 i_img_dim y;
a8652edf
TC		 743
744 for (y = hlines->start_y; y < hlines->limit_y; ++y) {
745 i_int_hline_entry *entry = hlines->entries[y-hlines->start_y];
746 if (entry) {
747 int i;
748 /* sort the segments, if any */
749 if (entry->count)
750 qsort(entry->segs, entry->count, sizeof(i_int_hline_seg), seg_compare);
751
8d14daab 752 sv_catpvf(dump, " %" i_DF " (%" i_DF "):", i_DFc(y), i_DFc(entry->count));
a8652edf 753 for (i = 0; i < entry->count; ++i) {
8d14daab
TC		 754 sv_catpvf(dump, " [%" i_DF ", %" i_DF ")", i_DFc(entry->segs[i].minx),
755 i_DFc(entry->segs[i].x_limit));
a8652edf
TC		 756 }
757 sv_catpv(dump, "\n");
758 }
759 }
760
761 return dump;
762}
763
764#endif
765
8d14daab
TC		 766static off_t
767i_sv_off_t(pTHX_ SV *sv) {
768#if LSEEKSIZE > IVSIZE
769 return (off_t)SvNV(sv);
770#else
771 return (off_t)SvIV(sv);
772#endif
773}
774
775static SV *
776i_new_sv_off_t(pTHX_ off_t off) {
777#if LSEEKSIZE > IVSIZE
778 return newSVnv(off);
779#else
780 return newSViv(off);
781#endif
782}
783
ec6d8908
TC		 784static im_pl_ext_funcs im_perl_funcs =
785{
786 IMAGER_PL_API_VERSION,
787 IMAGER_PL_API_LEVEL,
788 ip_handle_quant_opts,
789 ip_cleanup_quant_opts,
790 ip_copy_colors_back
791};
792
793#define PERL_PL_SET_GLOBAL_CALLBACKS \
794 sv_setiv(get_sv(PERL_PL_FUNCTION_TABLE_NAME, 1), PTR2IV(&im_perl_funcs));
795
f7450478
TC		 796#ifdef IMEXIF_ENABLE
797#define i_exif_enabled() 1
798#else
799#define i_exif_enabled() 0
800#endif
801
d16420e9 802/* trying to use more C style names, map them here */
eda1622c 803#define i_io_DESTROY(ig) io_glue_destroy(ig)
d16420e9 804
3b000586
TC		 805#define i_img_get_width(im) ((im)->xsize)
806#define i_img_get_height(im) ((im)->ysize)
807
4498c8bd
TC		 808#define i_img_epsilonf() (DBL_EPSILON * 4)
809
6d5c85a2
TC		 810/* avoid some xsubpp strangeness */
811#define NEWLINE '\n'
812
02d1d628
AMH		 813MODULE = Imager PACKAGE = Imager::Color PREFIX = ICL_
814
815Imager::Color
816ICL_new_internal(r,g,b,a)
817 unsigned char r
818 unsigned char g
819 unsigned char b
820 unsigned char a
821
822void
823ICL_DESTROY(cl)
824 Imager::Color cl
825
826
29106a11 827void
02d1d628
AMH		 828ICL_set_internal(cl,r,g,b,a)
829 Imager::Color cl
830 unsigned char r
831 unsigned char g
832 unsigned char b
833 unsigned char a
29106a11 834 PPCODE:
46062ab6 835 ICL_set_internal(cl, r, g, b, a);
29106a11
TC		 836 EXTEND(SP, 1);
837 PUSHs(ST(0));
02d1d628
AMH		 838
839void
840ICL_info(cl)
841 Imager::Color cl
842
843
844void
845ICL_rgba(cl)
846 Imager::Color cl
847 PPCODE:
848 EXTEND(SP, 4);
849 PUSHs(sv_2mortal(newSVnv(cl->rgba.r)));
850 PUSHs(sv_2mortal(newSVnv(cl->rgba.g)));
851 PUSHs(sv_2mortal(newSVnv(cl->rgba.b)));
852 PUSHs(sv_2mortal(newSVnv(cl->rgba.a)));
853
efdc2568
TC		 854Imager::Color
855i_hsv_to_rgb(c)
856 Imager::Color c
857 CODE:
858 RETVAL = mymalloc(sizeof(i_color));
859 *RETVAL = *c;
860 i_hsv_to_rgb(RETVAL);
861 OUTPUT:
862 RETVAL
863
864Imager::Color
865i_rgb_to_hsv(c)
866 Imager::Color c
867 CODE:
868 RETVAL = mymalloc(sizeof(i_color));
869 *RETVAL = *c;
870 i_rgb_to_hsv(RETVAL);
871 OUTPUT:
872 RETVAL
873
02d1d628
AMH		 874
875
faa9b3e7 876MODULE = Imager PACKAGE = Imager::Color::Float PREFIX=ICLF_
02d1d628 877
faa9b3e7
TC		 878Imager::Color::Float
879ICLF_new_internal(r, g, b, a)
880 double r
881 double g
882 double b
883 double a
884
885void
886ICLF_DESTROY(cl)
887 Imager::Color::Float cl
02d1d628 888
faa9b3e7
TC		 889void
890ICLF_rgba(cl)
891 Imager::Color::Float cl
892 PREINIT:
893 int ch;
894 PPCODE:
895 EXTEND(SP, MAXCHANNELS);
896 for (ch = 0; ch < MAXCHANNELS; ++ch) {
897 /* printf("%d: %g\n", ch, cl->channel[ch]); */
898 PUSHs(sv_2mortal(newSVnv(cl->channel[ch])));
899 }
900
901void
902ICLF_set_internal(cl,r,g,b,a)
903 Imager::Color::Float cl
904 double r
905 double g
906 double b
907 double a
908 PPCODE:
909 cl->rgba.r = r;
910 cl->rgba.g = g;
911 cl->rgba.b = b;
912 cl->rgba.a = a;
913 EXTEND(SP, 1);
914 PUSHs(ST(0));
02d1d628 915
efdc2568
TC		 916Imager::Color::Float
917i_hsv_to_rgb(c)
918 Imager::Color::Float c
919 CODE:
920 RETVAL = mymalloc(sizeof(i_fcolor));
921 *RETVAL = *c;
922 i_hsv_to_rgbf(RETVAL);
923 OUTPUT:
924 RETVAL
925
926Imager::Color::Float
927i_rgb_to_hsv(c)
928 Imager::Color::Float c
929 CODE:
930 RETVAL = mymalloc(sizeof(i_fcolor));
931 *RETVAL = *c;
932 i_rgb_to_hsvf(RETVAL);
933 OUTPUT:
934 RETVAL
efdc2568 935
02d1d628
AMH		 936MODULE = Imager PACKAGE = Imager::ImgRaw PREFIX = IIM_
937
938Imager::ImgRaw
939IIM_new(x,y,ch)
8d14daab
TC		 940 i_img_dim x
941 i_img_dim y
02d1d628
AMH		 942 int ch
943
944void
945IIM_DESTROY(im)
946 Imager::ImgRaw im
947
948
949
950MODULE = Imager PACKAGE = Imager
951
952PROTOTYPES: ENABLE
953
954
955Imager::IO
956io_new_fd(fd)
957 int fd
958
959Imager::IO
960io_new_bufchain()
961
962
4dfa5522 963Imager::IO
6d5c85a2
TC		 964io_new_buffer(data_sv)
965 SV *data_sv
4dfa5522 966 CODE:
6d5c85a2 967 RETVAL = do_io_new_buffer(aTHX_ data_sv);
4dfa5522
AMH		 968 OUTPUT:
969 RETVAL
10461f9a
TC		 970
971Imager::IO
972io_new_cb(writecb, readcb, seekcb, closecb, maxwrite = CBDATA_BUFSIZE)
973 SV *writecb;
974 SV *readcb;
975 SV *seekcb;
976 SV *closecb;
977 int maxwrite;
10461f9a 978 CODE:
6d5c85a2 979 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
10461f9a
TC		 980 OUTPUT:
981 RETVAL
4dfa5522 982
6d5c85a2 983SV *
02d1d628
AMH		 984io_slurp(ig)
985 Imager::IO ig
986 PREINIT:
987 unsigned char* data;
4dfa5522 988 size_t tlength;
6d5c85a2 989 CODE:
02d1d628
AMH		 990 data = NULL;
991 tlength = io_slurp(ig, &data);
6d5c85a2 992 RETVAL = newSVpv((char *)data,tlength);
02d1d628 993 myfree(data);
6d5c85a2
TC		 994 OUTPUT:
995 RETVAL
02d1d628
AMH		 996
997
77157728
TC		 998undef_int
999i_set_image_file_limits(width, height, bytes)
8d14daab
TC		 1000 i_img_dim width
1001 i_img_dim height
1002 size_t bytes
77157728
TC		 1003
1004void
1005i_get_image_file_limits()
1006 PREINIT:
8d14daab
TC		 1007 i_img_dim width, height;
1008 size_t bytes;
77157728
TC		 1009 PPCODE:
1010 if (i_get_image_file_limits(&width, &height, &bytes)) {
1011 EXTEND(SP, 3);
1012 PUSHs(sv_2mortal(newSViv(width)));
1013 PUSHs(sv_2mortal(newSViv(height)));
8d14daab 1014 PUSHs(sv_2mortal(newSVuv(bytes)));
77157728
TC		 1015 }
1016
6d5c85a2
TC		 1017MODULE = Imager PACKAGE = Imager::IO PREFIX = io_
1018
1019Imager::IO
1020io_new_fd(class, fd)
1021 int fd
1022 CODE:
1023 RETVAL = io_new_fd(fd);
1024 OUTPUT:
1025 RETVAL
1026
1027Imager::IO
1028io_new_buffer(class, data_sv)
1029 SV *data_sv
1030 CODE:
1031 RETVAL = do_io_new_buffer(aTHX_ data_sv);
1032 OUTPUT:
1033 RETVAL
1034
1035Imager::IO
1036io_new_cb(class, writecb, readcb, seekcb, closecb)
1037 SV *writecb;
1038 SV *readcb;
1039 SV *seekcb;
1040 SV *closecb;
1041 CODE:
1042 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
1043 OUTPUT:
1044 RETVAL
1045
1046Imager::IO
1047io_new_bufchain(class)
1048 CODE:
1049 RETVAL = io_new_bufchain();
1050 OUTPUT:
1051 RETVAL
1052
1053SV *
1054io_slurp(class, ig)
1055 Imager::IO ig
1056 PREINIT:
1057 unsigned char* data;
1058 size_t tlength;
1059 CODE:
1060 data = NULL;
1061 tlength = io_slurp(ig, &data);
1062 RETVAL = newSVpv((char *)data,tlength);
1063 myfree(data);
1064 OUTPUT:
1065 RETVAL
1066
eda1622c
TC		 1067MODULE = Imager PACKAGE = Imager::IO PREFIX = i_io_
1068
6d5c85a2
TC		 1069IV
1070i_io_raw_write(ig, data_sv)
eda1622c
TC		 1071 Imager::IO ig
1072 SV *data_sv
1073 PREINIT:
1074 void *data;
1075 STRLEN size;
1076 CODE:
1077#ifdef SvUTF8
1078 if (SvUTF8(data_sv)) {
1079 data_sv = sv_2mortal(newSVsv(data_sv));
1f6c1c10 1080 /* yes, we want this to croak() if the SV can't be downgraded */
eda1622c
TC		 1081 sv_utf8_downgrade(data_sv, FALSE);
1082 }
1083#endif
1084 data = SvPV(data_sv, size);
6d5c85a2 1085 RETVAL = i_io_raw_write(ig, data, size);
eda1622c
TC		 1086 OUTPUT:
1087 RETVAL
1088
1f6c1c10 1089void
6d5c85a2 1090i_io_raw_read(ig, buffer_sv, size)
eda1622c
TC		 1091 Imager::IO ig
1092 SV *buffer_sv
8d14daab 1093 IV size
eda1622c
TC		 1094 PREINIT:
1095 void *buffer;
8d14daab 1096 ssize_t result;
1f6c1c10
TC		 1097 PPCODE:
1098 if (size <= 0)
6d5c85a2 1099 croak("size negative in call to i_io_raw_read()");
eda1622c
TC		 1100 /* prevent an undefined value warning if they supplied an
1101 undef buffer.
1102 Orginally conditional on !SvOK(), but this will prevent the
1103 downgrade from croaking */
1104 sv_setpvn(buffer_sv, "", 0);
1105#ifdef SvUTF8
1106 if (SvUTF8(buffer_sv))
1107 sv_utf8_downgrade(buffer_sv, FALSE);
1108#endif
1109 buffer = SvGROW(buffer_sv, size+1);
6d5c85a2 1110 result = i_io_raw_read(ig, buffer, size);
1f6c1c10
TC		 1111 if (result >= 0) {
1112 SvCUR_set(buffer_sv, result);
1113 *SvEND(buffer_sv) = '\0';
1114 SvPOK_only(buffer_sv);
1115 EXTEND(SP, 1);
1116 PUSHs(sv_2mortal(newSViv(result)));
eda1622c 1117 }
1f6c1c10
TC		 1118 ST(1) = buffer_sv;
1119 SvSETMAGIC(ST(1));
1120
1121void
6d5c85a2 1122i_io_raw_read2(ig, size)
1f6c1c10 1123 Imager::IO ig
8d14daab 1124 IV size
1f6c1c10
TC		 1125 PREINIT:
1126 SV *buffer_sv;
1127 void *buffer;
8d14daab 1128 ssize_t result;
1f6c1c10
TC		 1129 PPCODE:
1130 if (size <= 0)
1131 croak("size negative in call to i_io_read2()");
1132 buffer_sv = newSV(size);
1133 buffer = SvGROW(buffer_sv, size+1);
6d5c85a2 1134 result = i_io_raw_read(ig, buffer, size);
1f6c1c10 1135 if (result >= 0) {
eda1622c
TC		 1136 SvCUR_set(buffer_sv, result);
1137 *SvEND(buffer_sv) = '\0';
1138 SvPOK_only(buffer_sv);
1f6c1c10
TC		 1139 EXTEND(SP, 1);
1140 PUSHs(sv_2mortal(buffer_sv));
eda1622c 1141 }
1f6c1c10
TC		 1142 else {
1143 /* discard it */
1144 SvREFCNT_dec(buffer_sv);
1145 }
eda1622c 1146
8d14daab 1147off_t
6d5c85a2 1148i_io_raw_seek(ig, position, whence)
eda1622c 1149 Imager::IO ig
8d14daab 1150 off_t position
eda1622c 1151 int whence
c3cc977e 1152
1f6c1c10 1153int
6d5c85a2 1154i_io_raw_close(ig)
eda1622c
TC		 1155 Imager::IO ig
1156
1157void
1158i_io_DESTROY(ig)
c3cc977e
AMH		 1159 Imager::IO ig
1160
ffddd407
TC		 1161int
1162i_io_CLONE_SKIP(...)
1163 CODE:
8d14daab 1164 (void)items; /* avoid unused warning for XS variable */
ffddd407
TC		 1165 RETVAL = 1;
1166 OUTPUT:
1167 RETVAL
1168
6d5c85a2
TC		 1169int
1170i_io_getc(ig)
1171 Imager::IO ig
1172
1173int
1174i_io_putc(ig, c)
1175 Imager::IO ig
1176 int c
1177
1178int
1179i_io_close(ig)
1180 Imager::IO ig
1181
1182int
1183i_io_flush(ig)
1184 Imager::IO ig
1185
1186int
1187i_io_peekc(ig)
1188 Imager::IO ig
1189
1190int
1191i_io_seek(ig, off, whence)
1192 Imager::IO ig
1193 off_t off
1194 int whence
1195
1196void
1197i_io_peekn(ig, size)
1198 Imager::IO ig
1199 STRLEN size
1200 PREINIT:
1201 SV *buffer_sv;
1202 void *buffer;
1203 ssize_t result;
1204 PPCODE:
1205 buffer_sv = newSV(size+1);
1206 buffer = SvGROW(buffer_sv, size+1);
1207 result = i_io_peekn(ig, buffer, size);
1208 if (result >= 0) {
1209 SvCUR_set(buffer_sv, result);
1210 *SvEND(buffer_sv) = '\0';
1211 SvPOK_only(buffer_sv);
1212 EXTEND(SP, 1);
1213 PUSHs(sv_2mortal(buffer_sv));
1214 }
1215 else {
1216 /* discard it */
1217 SvREFCNT_dec(buffer_sv);
1218 }
1219
1220void
1221i_io_read(ig, buffer_sv, size)
1222 Imager::IO ig
1223 SV *buffer_sv
1224 IV size
1225 PREINIT:
1226 void *buffer;
1227 ssize_t result;
1228 PPCODE:
1229 if (size <= 0)
1230 croak("size negative in call to i_io_read()");
1231 /* prevent an undefined value warning if they supplied an
1232 undef buffer.
1233 Orginally conditional on !SvOK(), but this will prevent the
1234 downgrade from croaking */
1235 sv_setpvn(buffer_sv, "", 0);
1236#ifdef SvUTF8
1237 if (SvUTF8(buffer_sv))
1238 sv_utf8_downgrade(buffer_sv, FALSE);
1239#endif
1240 buffer = SvGROW(buffer_sv, size+1);
1241 result = i_io_read(ig, buffer, size);
1242 if (result >= 0) {
1243 SvCUR_set(buffer_sv, result);
1244 *SvEND(buffer_sv) = '\0';
1245 SvPOK_only(buffer_sv);
1246 EXTEND(SP, 1);
1247 PUSHs(sv_2mortal(newSViv(result)));
1248 }
1249 ST(1) = buffer_sv;
1250 SvSETMAGIC(ST(1));
1251
1252void
1253i_io_read2(ig, size)
1254 Imager::IO ig
1255 STRLEN size
1256 PREINIT:
1257 SV *buffer_sv;
1258 void *buffer;
1259 ssize_t result;
1260 PPCODE:
1261 if (size == 0)
1262 croak("size zero in call to read2()");
1263 buffer_sv = newSV(size);
1264 buffer = SvGROW(buffer_sv, size+1);
1265 result = i_io_read(ig, buffer, size);
1266 if (result > 0) {
1267 SvCUR_set(buffer_sv, result);
1268 *SvEND(buffer_sv) = '\0';
1269 SvPOK_only(buffer_sv);
1270 EXTEND(SP, 1);
1271 PUSHs(sv_2mortal(buffer_sv));
1272 }
1273 else {
1274 /* discard it */
1275 SvREFCNT_dec(buffer_sv);
1276 }
1277
1278void
1279i_io_gets(ig, size = 8192, eol = NEWLINE)
1280 Imager::IO ig
1281 STRLEN size
1282 int eol
1283 PREINIT:
1284 SV *buffer_sv;
1285 void *buffer;
1286 ssize_t result;
1287 PPCODE:
1288 if (size < 2)
1289 croak("size too small in call to gets()");
1290 buffer_sv = sv_2mortal(newSV(size+1));
1291 buffer = SvPVX(buffer_sv);
1292 result = i_io_gets(ig, buffer, size+1, eol);
1293 if (result > 0) {
1294 SvCUR_set(buffer_sv, result);
1295 *SvEND(buffer_sv) = '\0';
1296 SvPOK_only(buffer_sv);
1297 EXTEND(SP, 1);
1298 PUSHs(buffer_sv);
1299 }
1300
1301IV
1302i_io_write(ig, data_sv)
1303 Imager::IO ig
1304 SV *data_sv
1305 PREINIT:
1306 void *data;
1307 STRLEN size;
1308 CODE:
1309#ifdef SvUTF8
1310 if (SvUTF8(data_sv)) {
1311 data_sv = sv_2mortal(newSVsv(data_sv));
1312 /* yes, we want this to croak() if the SV can't be downgraded */
1313 sv_utf8_downgrade(data_sv, FALSE);
1314 }
1315#endif
1316 data = SvPV(data_sv, size);
1317 RETVAL = i_io_write(ig, data, size);
1318 OUTPUT:
1319 RETVAL
1320
1321void
1322i_io_dump(ig, flags = I_IO_DUMP_DEFAULT)
1323 Imager::IO ig
1324 int flags
1325
1326bool
1327i_io_set_buffered(ig, flag = 1)
1328 Imager::IO ig
1329 int flag
1330
1331bool
1332i_io_is_buffered(ig)
1333 Imager::IO ig
1334
1335bool
1336i_io_eof(ig)
1337 Imager::IO ig
1338
1339bool
1340i_io_error(ig)
1341 Imager::IO ig
1342
c3cc977e
AMH		 1343MODULE = Imager PACKAGE = Imager
1344
1345PROTOTYPES: ENABLE
1346
02d1d628
AMH		 1347void
1348i_list_formats()
1349 PREINIT:
1350 char* item;
1351 int i;
1352 PPCODE:
1353 i=0;
1354 while( (item=i_format_list[i++]) != NULL ) {
1355 EXTEND(SP, 1);
1356 PUSHs(sv_2mortal(newSVpv(item,0)));
1357 }
1358
02d1d628
AMH		 1359Imager::ImgRaw
1360i_img_new()
1361
1362Imager::ImgRaw
1363i_img_empty(im,x,y)
1364 Imager::ImgRaw im
8d14daab
TC		 1365 i_img_dim x
1366 i_img_dim y
02d1d628
AMH		 1367
1368Imager::ImgRaw
1369i_img_empty_ch(im,x,y,ch)
1370 Imager::ImgRaw im
8d14daab
TC		 1371 i_img_dim x
1372 i_img_dim y
02d1d628
AMH		 1373 int ch
1374
ec76939c
TC		 1375Imager::ImgRaw
1376i_sametype(im, x, y)
1377 Imager::ImgRaw im
8d14daab
TC		 1378 i_img_dim x
1379 i_img_dim y
ec76939c
TC		 1380
1381Imager::ImgRaw
1382i_sametype_chans(im, x, y, channels)
1383 Imager::ImgRaw im
8d14daab
TC		 1384 i_img_dim x
1385 i_img_dim y
ec76939c
TC		 1386 int channels
1387
10ea52a3 1388int
bd8052a6
TC		 1389i_init_log(name_sv,level)
1390 SV* name_sv
02d1d628 1391 int level
bd8052a6
TC		 1392 PREINIT:
1393 const char *name = SvOK(name_sv) ? SvPV_nolen(name_sv) : NULL;
1394 CODE:
10ea52a3
TC		 1395 RETVAL = i_init_log(name, level);
1396 OUTPUT:
1397 RETVAL
02d1d628 1398
7f882a01 1399void
bf1573f9 1400i_log_entry(string,level)
7f882a01
AMH		 1401 char* string
1402 int level
1403
10ea52a3
TC		 1404int
1405i_log_enabled()
7f882a01 1406
02d1d628
AMH		 1407void
1408i_img_exorcise(im)
1409 Imager::ImgRaw im
1410
1411void
1412i_img_destroy(im)
1413 Imager::ImgRaw im
1414
1415void
1416i_img_info(im)
1417 Imager::ImgRaw im
1418 PREINIT:
8d14daab 1419 i_img_dim info[4];
02d1d628
AMH		 1420 PPCODE:
1421 i_img_info(im,info);
1422 EXTEND(SP, 4);
1423 PUSHs(sv_2mortal(newSViv(info[0])));
1424 PUSHs(sv_2mortal(newSViv(info[1])));
1425 PUSHs(sv_2mortal(newSViv(info[2])));
1426 PUSHs(sv_2mortal(newSViv(info[3])));
1427
1428
1429
1430
1431void
1432i_img_setmask(im,ch_mask)
1433 Imager::ImgRaw im
1434 int ch_mask
1435
1436int
1437i_img_getmask(im)
1438 Imager::ImgRaw im
1439
1440int
1441i_img_getchannels(im)
1442 Imager::ImgRaw im
1443
1444void
1445i_img_getdata(im)
1446 Imager::ImgRaw im
1447 PPCODE:
1448 EXTEND(SP, 1);
26fd367b
TC		 1449 PUSHs(im->idata ?
1450 sv_2mortal(newSVpv((char *)im->idata, im->bytes))
faa9b3e7 1451 : &PL_sv_undef);
02d1d628 1452
3b000586
TC		 1453IV
1454i_img_get_width(im)
1455 Imager::ImgRaw im
1456
1457IV
1458i_img_get_height(im)
1459 Imager::ImgRaw im
1460
1461
bd8052a6
TC		 1462void
1463i_img_is_monochrome(im)
1464 Imager::ImgRaw im
1465 PREINIT:
1466 int zero_is_white;
1467 int result;
1468 PPCODE:
1469 result = i_img_is_monochrome(im, &zero_is_white);
1470 if (result) {
1471 if (GIMME_V == G_ARRAY) {
1472 EXTEND(SP, 2);
1473 PUSHs(&PL_sv_yes);
1474 PUSHs(sv_2mortal(newSViv(zero_is_white)));
1475 }
1476 else {
1477 EXTEND(SP, 1);
1478 PUSHs(&PL_sv_yes);
1479 }
1480 }
02d1d628
AMH		 1481
1482void
aa833c97 1483i_line(im,x1,y1,x2,y2,val,endp)
02d1d628 1484 Imager::ImgRaw im
8d14daab
TC		 1485 i_img_dim x1
1486 i_img_dim y1
1487 i_img_dim x2
1488 i_img_dim y2
02d1d628 1489 Imager::Color val
aa833c97 1490 int endp
02d1d628
AMH		 1491
1492void
b437ce0a 1493i_line_aa(im,x1,y1,x2,y2,val,endp)
02d1d628 1494 Imager::ImgRaw im
8d14daab
TC		 1495 i_img_dim x1
1496 i_img_dim y1
1497 i_img_dim x2
1498 i_img_dim y2
02d1d628 1499 Imager::Color val
b437ce0a 1500 int endp
02d1d628
AMH		 1501
1502void
1503i_box(im,x1,y1,x2,y2,val)
1504 Imager::ImgRaw im
8d14daab
TC		 1505 i_img_dim x1
1506 i_img_dim y1
1507 i_img_dim x2
1508 i_img_dim y2
02d1d628
AMH		 1509 Imager::Color val
1510
1511void
1512i_box_filled(im,x1,y1,x2,y2,val)
1513 Imager::ImgRaw im
8d14daab
TC		 1514 i_img_dim x1
1515 i_img_dim y1
1516 i_img_dim x2
1517 i_img_dim y2
02d1d628
AMH		 1518 Imager::Color val
1519
7477ff14
TC		 1520int
1521i_box_filledf(im,x1,y1,x2,y2,val)
1522 Imager::ImgRaw im
8d14daab
TC		 1523 i_img_dim x1
1524 i_img_dim y1
1525 i_img_dim x2
1526 i_img_dim y2
7477ff14
TC		 1527 Imager::Color::Float val
1528
f1ac5027
TC		 1529void
1530i_box_cfill(im,x1,y1,x2,y2,fill)
1531 Imager::ImgRaw im
8d14daab
TC		 1532 i_img_dim x1
1533 i_img_dim y1
1534 i_img_dim x2
1535 i_img_dim y2
f1ac5027
TC		 1536 Imager::FillHandle fill
1537
02d1d628
AMH		 1538void
1539i_arc(im,x,y,rad,d1,d2,val)
1540 Imager::ImgRaw im
8d14daab
TC		 1541 i_img_dim x
1542 i_img_dim y
1543 double rad
1544 double d1
1545 double d2
02d1d628
AMH		 1546 Imager::Color val
1547
a8652edf
TC		 1548void
1549i_arc_aa(im,x,y,rad,d1,d2,val)
1550 Imager::ImgRaw im
1551 double x
1552 double y
1553 double rad
1554 double d1
1555 double d2
1556 Imager::Color val
1557
f1ac5027
TC		 1558void
1559i_arc_cfill(im,x,y,rad,d1,d2,fill)
1560 Imager::ImgRaw im
8d14daab
TC		 1561 i_img_dim x
1562 i_img_dim y
1563 double rad
1564 double d1
1565 double d2
f1ac5027
TC		 1566 Imager::FillHandle fill
1567
a8652edf
TC		 1568void
1569i_arc_aa_cfill(im,x,y,rad,d1,d2,fill)
1570 Imager::ImgRaw im
1571 double x
1572 double y
1573 double rad
1574 double d1
1575 double d2
1576 Imager::FillHandle fill
02d1d628
AMH		 1577
1578
6af18d2b
AMH		 1579void
1580i_circle_aa(im,x,y,rad,val)
1581 Imager::ImgRaw im
8d14daab
TC		 1582 double x
1583 double y
1584 double rad
6af18d2b
AMH		 1585 Imager::Color val
1586
40068b33
TC		 1587int
1588i_circle_out(im,x,y,rad,val)
1589 Imager::ImgRaw im
1590 i_img_dim x
1591 i_img_dim y
1592 i_img_dim rad
1593 Imager::Color val
1594
1595int
1596i_circle_out_aa(im,x,y,rad,val)
1597 Imager::ImgRaw im
1598 i_img_dim x
1599 i_img_dim y
1600 i_img_dim rad
1601 Imager::Color val
1602
1603int
1604i_arc_out(im,x,y,rad,d1,d2,val)
1605 Imager::ImgRaw im
1606 i_img_dim x
1607 i_img_dim y
1608 i_img_dim rad
8d14daab
TC		 1609 double d1
1610 double d2
40068b33
TC		 1611 Imager::Color val
1612
1613int
1614i_arc_out_aa(im,x,y,rad,d1,d2,val)
1615 Imager::ImgRaw im
1616 i_img_dim x
1617 i_img_dim y
1618 i_img_dim rad
8d14daab
TC		 1619 double d1
1620 double d2
40068b33 1621 Imager::Color val
6af18d2b
AMH		 1622
1623
02d1d628
AMH		 1624void
1625i_bezier_multi(im,xc,yc,val)
1626 Imager::ImgRaw im
1627 Imager::Color val
1628 PREINIT:
1629 double *x,*y;
1630 int len;
1631 AV *av1;
1632 AV *av2;
1633 SV *sv1;
1634 SV *sv2;
1635 int i;
1636 PPCODE:
1637 ICL_info(val);
1638 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
1639 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
1640 if (!SvROK(ST(2))) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
1641 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
1642 av1=(AV*)SvRV(ST(1));
1643 av2=(AV*)SvRV(ST(2));
1644 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_bezier_multi must be equal length\n");
1645 len=av_len(av1)+1;
1646 x=mymalloc( len*sizeof(double) );
1647 y=mymalloc( len*sizeof(double) );
1648 for(i=0;i<len;i++) {
1649 sv1=(*(av_fetch(av1,i,0)));
1650 sv2=(*(av_fetch(av2,i,0)));
1651 x[i]=(double)SvNV(sv1);
1652 y[i]=(double)SvNV(sv2);
1653 }
1654 i_bezier_multi(im,len,x,y,val);
1655 myfree(x);
1656 myfree(y);
1657
1658
1c5252ed 1659int
02d1d628
AMH		 1660i_poly_aa(im,xc,yc,val)
1661 Imager::ImgRaw im
1662 Imager::Color val
1663 PREINIT:
1664 double *x,*y;
1665 int len;
1666 AV *av1;
1667 AV *av2;
1668 SV *sv1;
1669 SV *sv2;
1670 int i;
1c5252ed 1671 CODE:
02d1d628
AMH		 1672 ICL_info(val);
1673 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
1674 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
1675 if (!SvROK(ST(2))) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
1676 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
1677 av1=(AV*)SvRV(ST(1));
1678 av2=(AV*)SvRV(ST(2));
1679 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_poly_aa must be equal length\n");
1680 len=av_len(av1)+1;
1681 x=mymalloc( len*sizeof(double) );
1682 y=mymalloc( len*sizeof(double) );
1683 for(i=0;i<len;i++) {
1684 sv1=(*(av_fetch(av1,i,0)));
1685 sv2=(*(av_fetch(av2,i,0)));
1686 x[i]=(double)SvNV(sv1);
1687 y[i]=(double)SvNV(sv2);
1688 }
1c5252ed 1689 RETVAL = i_poly_aa(im,len,x,y,val);
02d1d628
AMH		 1690 myfree(x);
1691 myfree(y);
1c5252ed
TC		 1692 OUTPUT:
1693 RETVAL
02d1d628 1694
1c5252ed 1695int
43c5dacb
TC		 1696i_poly_aa_cfill(im,xc,yc,fill)
1697 Imager::ImgRaw im
1698 Imager::FillHandle fill
1699 PREINIT:
1700 double *x,*y;
1701 int len;
1702 AV *av1;
1703 AV *av2;
1704 SV *sv1;
1705 SV *sv2;
1706 int i;
1c5252ed 1707 CODE:
43c5dacb
TC		 1708 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_poly_aa_cfill must be a reference to an array\n");
1709 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa_cfill must be a reference to an array\n");
1710 if (!SvROK(ST(2))) croak("Imager: Parameter 1 to i_poly_aa_cfill must be a reference to an array\n");
1711 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa_cfill must be a reference to an array\n");
1712 av1=(AV*)SvRV(ST(1));
1713 av2=(AV*)SvRV(ST(2));
1714 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_poly_aa_cfill must be equal length\n");
1715 len=av_len(av1)+1;
1716 x=mymalloc( len*sizeof(double) );
1717 y=mymalloc( len*sizeof(double) );
1718 for(i=0;i<len;i++) {
1719 sv1=(*(av_fetch(av1,i,0)));
1720 sv2=(*(av_fetch(av2,i,0)));
1721 x[i]=(double)SvNV(sv1);
1722 y[i]=(double)SvNV(sv2);
1723 }
1c5252ed 1724 RETVAL = i_poly_aa_cfill(im,len,x,y,fill);
43c5dacb
TC		 1725 myfree(x);
1726 myfree(y);
1c5252ed
TC		 1727 OUTPUT:
1728 RETVAL
43c5dacb 1729
02d1d628
AMH		 1730
1731
a321d497 1732undef_int
02d1d628
AMH		 1733i_flood_fill(im,seedx,seedy,dcol)
1734 Imager::ImgRaw im
8d14daab
TC		 1735 i_img_dim seedx
1736 i_img_dim seedy
02d1d628
AMH		 1737 Imager::Color dcol
1738
a321d497 1739undef_int
cc6483e0
TC		 1740i_flood_cfill(im,seedx,seedy,fill)
1741 Imager::ImgRaw im
8d14daab
TC		 1742 i_img_dim seedx
1743 i_img_dim seedy
cc6483e0
TC		 1744 Imager::FillHandle fill
1745
3efb0915
TC		 1746undef_int
1747i_flood_fill_border(im,seedx,seedy,dcol, border)
1748 Imager::ImgRaw im
8d14daab
TC		 1749 i_img_dim seedx
1750 i_img_dim seedy
3efb0915
TC		 1751 Imager::Color dcol
1752 Imager::Color border
1753
1754undef_int
1755i_flood_cfill_border(im,seedx,seedy,fill, border)
1756 Imager::ImgRaw im
8d14daab
TC		 1757 i_img_dim seedx
1758 i_img_dim seedy
3efb0915
TC		 1759 Imager::FillHandle fill
1760 Imager::Color border
1761
02d1d628
AMH		 1762
1763void
1764i_copyto(im,src,x1,y1,x2,y2,tx,ty)
1765 Imager::ImgRaw im
1766 Imager::ImgRaw src
8d14daab
TC		 1767 i_img_dim x1
1768 i_img_dim y1
1769 i_img_dim x2
1770 i_img_dim y2
1771 i_img_dim tx
1772 i_img_dim ty
02d1d628
AMH		 1773
1774
1775void
1776i_copyto_trans(im,src,x1,y1,x2,y2,tx,ty,trans)
1777 Imager::ImgRaw im
1778 Imager::ImgRaw src
8d14daab
TC		 1779 i_img_dim x1
1780 i_img_dim y1
1781 i_img_dim x2
1782 i_img_dim y2
1783 i_img_dim tx
1784 i_img_dim ty
02d1d628
AMH		 1785 Imager::Color trans
1786
92bda632
TC		 1787Imager::ImgRaw
1788i_copy(src)
02d1d628
AMH		 1789 Imager::ImgRaw src
1790
1791
faa9b3e7 1792undef_int
71dc4a83 1793i_rubthru(im,src,tx,ty,src_minx,src_miny,src_maxx,src_maxy)
02d1d628
AMH		 1794 Imager::ImgRaw im
1795 Imager::ImgRaw src
8d14daab
TC		 1796 i_img_dim tx
1797 i_img_dim ty
1798 i_img_dim src_minx
1799 i_img_dim src_miny
1800 i_img_dim src_maxx
1801 i_img_dim src_maxy
71dc4a83 1802
9b1ec2b8
TC		 1803undef_int
1804i_compose(out, src, out_left, out_top, src_left, src_top, width, height, combine = ic_normal, opacity = 0.0)
1805 Imager::ImgRaw out
1806 Imager::ImgRaw src
8d14daab
TC		 1807 i_img_dim out_left
1808 i_img_dim out_top
1809 i_img_dim src_left
1810 i_img_dim src_top
1811 i_img_dim width
1812 i_img_dim height
9b1ec2b8
TC		 1813 int combine
1814 double opacity
1815
1816undef_int
1817i_compose_mask(out, src, mask, out_left, out_top, src_left, src_top, mask_left, mask_top, width, height, combine = ic_normal, opacity = 0.0)
1818 Imager::ImgRaw out
1819 Imager::ImgRaw src
1820 Imager::ImgRaw mask
8d14daab
TC		 1821 i_img_dim out_left
1822 i_img_dim out_top
1823 i_img_dim src_left
1824 i_img_dim src_top
1825 i_img_dim mask_left
1826 i_img_dim mask_top
1827 i_img_dim width
1828 i_img_dim height
9b1ec2b8
TC		 1829 int combine
1830 double opacity
02d1d628 1831
b47464c1
TC		 1832Imager::ImgRaw
1833i_combine(src_av, channels_av = NULL)
1834 AV *src_av
1835 AV *channels_av
1836 PREINIT:
1837 i_img **imgs = NULL;
1838 STRLEN in_count;
1839 int *channels = NULL;
1840 int i;
1841 SV **psv;
1842 IV tmp;
1843 CODE:
1844 in_count = av_len(src_av) + 1;
1845 if (in_count > 0) {
1846 imgs = mymalloc(sizeof(i_img*) * in_count);
1847 channels = mymalloc(sizeof(int) * in_count);
1848 for (i = 0; i < in_count; ++i) {
1849 psv = av_fetch(src_av, i, 0);
1850 if (!psv || !*psv || !sv_derived_from(*psv, "Imager::ImgRaw")) {
1851 myfree(imgs);
1852 myfree(channels);
1853 croak("imgs must contain only images");
1854 }
1855 tmp = SvIV((SV*)SvRV(*psv));
1856 imgs[i] = INT2PTR(i_img*, tmp);
1857 if (channels_av &&
1858 (psv = av_fetch(channels_av, i, 0)) != NULL &&
1859 *psv) {
1860 channels[i] = SvIV(*psv);
1861 }
1862 else {
1863 channels[i] = 0;
1864 }
1865 }
1866 }
1867 RETVAL = i_combine(imgs, channels, in_count);
1868 myfree(imgs);
1869 myfree(channels);
1870 OUTPUT:
1871 RETVAL
1872
142c26ff
AMH		 1873undef_int
1874i_flipxy(im, direction)
1875 Imager::ImgRaw im
1876 int direction
1877
faa9b3e7
TC		 1878Imager::ImgRaw
1879i_rotate90(im, degrees)
1880 Imager::ImgRaw im
1881 int degrees
1882
1883Imager::ImgRaw
0d3b936e 1884i_rotate_exact(im, amount, ...)
faa9b3e7
TC		 1885 Imager::ImgRaw im
1886 double amount
0d3b936e
TC		 1887 PREINIT:
1888 i_color *backp = NULL;
1889 i_fcolor *fbackp = NULL;
1890 int i;
1891 SV * sv1;
1892 CODE:
1893 /* extract the bg colors if any */
1894 /* yes, this is kind of strange */
1895 for (i = 2; i < items; ++i) {
1896 sv1 = ST(i);
1897 if (sv_derived_from(sv1, "Imager::Color")) {
1898 IV tmp = SvIV((SV*)SvRV(sv1));
1899 backp = INT2PTR(i_color *, tmp);
1900 }
1901 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
1902 IV tmp = SvIV((SV*)SvRV(sv1));
1903 fbackp = INT2PTR(i_fcolor *, tmp);
1904 }
1905 }
1906 RETVAL = i_rotate_exact_bg(im, amount, backp, fbackp);
1907 OUTPUT:
1908 RETVAL
faa9b3e7
TC		 1909
1910Imager::ImgRaw
0d3b936e 1911i_matrix_transform(im, xsize, ysize, matrix, ...)
faa9b3e7 1912 Imager::ImgRaw im
8d14daab
TC		 1913 i_img_dim xsize
1914 i_img_dim ysize
faa9b3e7
TC		 1915 PREINIT:
1916 double matrix[9];
1917 AV *av;
1918 IV len;
1919 SV *sv1;
1920 int i;
0d3b936e
TC		 1921 i_color *backp = NULL;
1922 i_fcolor *fbackp = NULL;
faa9b3e7
TC		 1923 CODE:
1924 if (!SvROK(ST(3)) || SvTYPE(SvRV(ST(3))) != SVt_PVAV)
1925 croak("i_matrix_transform: parameter 4 must be an array ref\n");
1926 av=(AV*)SvRV(ST(3));
1927 len=av_len(av)+1;
1928 if (len > 9)
1929 len = 9;
1930 for (i = 0; i < len; ++i) {
1931 sv1=(*(av_fetch(av,i,0)));
1932 matrix[i] = SvNV(sv1);
1933 }
1934 for (; i < 9; ++i)
1935 matrix[i] = 0;
0d3b936e
TC		 1936 /* extract the bg colors if any */
1937 /* yes, this is kind of strange */
1938 for (i = 4; i < items; ++i) {
1939 sv1 = ST(i);
1940 if (sv_derived_from(sv1, "Imager::Color")) {
1941 IV tmp = SvIV((SV*)SvRV(sv1));
1942 backp = INT2PTR(i_color *, tmp);
1943 }
1944 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
1945 IV tmp = SvIV((SV*)SvRV(sv1));
1946 fbackp = INT2PTR(i_fcolor *, tmp);
1947 }
1948 }
1949 RETVAL = i_matrix_transform_bg(im, xsize, ysize, matrix, backp, fbackp);
faa9b3e7
TC		 1950 OUTPUT:
1951 RETVAL
02d1d628 1952
167660cd 1953undef_int
02d1d628
AMH		 1954i_gaussian(im,stdev)
1955 Imager::ImgRaw im
167660cd 1956 double stdev
02d1d628 1957
b6381851
TC		 1958void
1959i_unsharp_mask(im,stdev,scale)
1960 Imager::ImgRaw im
8d14daab 1961 double stdev
b6381851
TC		 1962 double scale
1963
6a3cbaef
TC		 1964int
1965i_conv(im,coef)
1966 Imager::ImgRaw im
1967 AV *coef
1968 PREINIT:
1969 double* c_coef;
1970 int len;
1971 SV* sv1;
1972 int i;
1973 CODE:
1974 len = av_len(coef) + 1;
1975 c_coef=mymalloc( len * sizeof(double) );
1976 for(i = 0; i < len; i++) {
1977 sv1 = (*(av_fetch(coef, i, 0)));
1978 c_coef[i] = (double)SvNV(sv1);
1979 }
1980 RETVAL = i_conv(im, c_coef, len);
1981 myfree(c_coef);
1982 OUTPUT:
1983 RETVAL
02d1d628 1984
d5477d3d
TC		 1985Imager::ImgRaw
1986i_convert(src, avmain)
f5991c03 1987 Imager::ImgRaw src
d5477d3d 1988 AV *avmain
f5991c03 1989 PREINIT:
62869327 1990 double *coeff;
f5991c03
TC		 1991 int outchan;
1992 int inchan;
f5991c03 1993 SV **temp;
f5991c03
TC		 1994 AV *avsub;
1995 int len;
1996 int i, j;
1997 CODE:
f5991c03
TC		 1998 outchan = av_len(avmain)+1;
1999 /* find the biggest */
2000 inchan = 0;
2001 for (j=0; j < outchan; ++j) {
2002 temp = av_fetch(avmain, j, 0);
2003 if (temp && SvROK(*temp) && SvTYPE(SvRV(*temp)) == SVt_PVAV) {
2004 avsub = (AV*)SvRV(*temp);
2005 len = av_len(avsub)+1;
2006 if (len > inchan)
2007 inchan = len;
2008 }
2009 }
62869327 2010 coeff = mymalloc(sizeof(double) * outchan * inchan);
f5991c03
TC		 2011 for (j = 0; j < outchan; ++j) {
2012 avsub = (AV*)SvRV(*av_fetch(avmain, j, 0));
2013 len = av_len(avsub)+1;
2014 for (i = 0; i < len; ++i) {
2015 temp = av_fetch(avsub, i, 0);
2016 if (temp)
2017 coeff[i+j*inchan] = SvNV(*temp);
2018 else
2019 coeff[i+j*inchan] = 0;
2020 }
2021 while (i < inchan)
2022 coeff[i++ + j*inchan] = 0;
2023 }
d5477d3d 2024 RETVAL = i_convert(src, coeff, outchan, inchan);
f5991c03 2025 myfree(coeff);
f5991c03
TC		 2026 OUTPUT:
2027 RETVAL
40eba1ea
AMH		 2028
2029
2030void
2031i_map(im, pmaps)
2032 Imager::ImgRaw im
2033 PREINIT:
2034 unsigned int mask = 0;
2035 AV *avmain;
2036 AV *avsub;
2037 SV **temp;
2038 int len;
2039 int i, j;
2040 unsigned char (*maps)[256];
2041 CODE:
2042 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
2043 croak("i_map: parameter 2 must be an arrayref\n");
2044 avmain = (AV*)SvRV(ST(1));
2045 len = av_len(avmain)+1;
2046 if (im->channels < len) len = im->channels;
2047
2048 maps = mymalloc( len * sizeof(unsigned char [256]) );
2049
2050 for (j=0; j<len ; j++) {
2051 temp = av_fetch(avmain, j, 0);
2052 if (temp && SvROK(*temp) && (SvTYPE(SvRV(*temp)) == SVt_PVAV) ) {
2053 avsub = (AV*)SvRV(*temp);
2054 if(av_len(avsub) != 255) continue;
2055 mask |= 1<<j;
2056 for (i=0; i<256 ; i++) {
9495ee93 2057 int val;
40eba1ea 2058 temp = av_fetch(avsub, i, 0);
9495ee93
AMH		 2059 val = temp ? SvIV(*temp) : 0;
2060 if (val<0) val = 0;
2061 if (val>255) val = 255;
2062 maps[j][i] = val;
40eba1ea
AMH		 2063 }
2064 }
2065 }
2066 i_map(im, maps, mask);
2067 myfree(maps);
2068
2069
2070
02d1d628
AMH		 2071float
2072i_img_diff(im1,im2)
2073 Imager::ImgRaw im1
2074 Imager::ImgRaw im2
2075
e41cfe8f
TC		 2076double
2077i_img_diffd(im1,im2)
2078 Imager::ImgRaw im1
2079 Imager::ImgRaw im2
02d1d628 2080
4498c8bd
TC		 2081int
2082i_img_samef(im1, im2, epsilon = i_img_epsilonf(), what=NULL)
2083 Imager::ImgRaw im1
2084 Imager::ImgRaw im2
2085 double epsilon
2086 const char *what
2087
2088double
2089i_img_epsilonf()
2090
813d4d0a
TC		 2091bool
2092_is_color_object(sv)
2093 SV* sv
2094 CODE:
2095 SvGETMAGIC(sv);
2096 RETVAL = SvOK(sv) && SvROK(sv) &&
2097 (sv_derived_from(sv, "Imager::Color")
2098 || sv_derived_from(sv, "Imager::Color::Float"));
2099 OUTPUT:
2100 RETVAL
2101
02d1d628
AMH		 2102#ifdef HAVE_LIBTT
2103
2104
4b19f77a 2105Imager::Font::TT
02d1d628
AMH		 2106i_tt_new(fontname)
2107 char* fontname
2108
4b19f77a
AMH		 2109
2110MODULE = Imager PACKAGE = Imager::Font::TT PREFIX=TT_
2111
2112#define TT_DESTROY(handle) i_tt_destroy(handle)
2113
02d1d628 2114void
4b19f77a
AMH		 2115TT_DESTROY(handle)
2116 Imager::Font::TT handle
2117
ffddd407
TC		 2118int
2119TT_CLONE_SKIP(...)
2120 CODE:
8d14daab 2121 (void)items; /* avoid unused warning */
ffddd407
TC		 2122 RETVAL = 1;
2123 OUTPUT:
2124 RETVAL
2125
02d1d628 2126
4b19f77a 2127MODULE = Imager PACKAGE = Imager
02d1d628
AMH		 2128
2129
2130undef_int
9ab6338b 2131i_tt_text(handle,im,xb,yb,cl,points,str_sv,len_ignored,smooth,utf8,align=1)
4b19f77a 2132 Imager::Font::TT handle
02d1d628 2133 Imager::ImgRaw im
8d14daab
TC		 2134 i_img_dim xb
2135 i_img_dim yb
02d1d628 2136 Imager::Color cl
8d14daab 2137 double points
4f68b48f 2138 SV * str_sv
02d1d628 2139 int smooth
4f68b48f 2140 int utf8
9ab6338b 2141 int align
4f68b48f
TC		 2142 PREINIT:
2143 char *str;
2144 STRLEN len;
2145 CODE:
2146#ifdef SvUTF8
2147 if (SvUTF8(str_sv))
2148 utf8 = 1;
2149#endif
2150 str = SvPV(str_sv, len);
2151 RETVAL = i_tt_text(handle, im, xb, yb, cl, points, str,
9ab6338b 2152 len, smooth, utf8, align);
4f68b48f
TC		 2153 OUTPUT:
2154 RETVAL
02d1d628
AMH		 2155
2156
2157undef_int
9ab6338b 2158i_tt_cp(handle,im,xb,yb,channel,points,str_sv,len_ignored,smooth,utf8,align=1)
4b19f77a 2159 Imager::Font::TT handle
02d1d628 2160 Imager::ImgRaw im
8d14daab
TC		 2161 i_img_dim xb
2162 i_img_dim yb
02d1d628 2163 int channel
8d14daab 2164 double points
4f68b48f 2165 SV * str_sv
02d1d628 2166 int smooth
4f68b48f 2167 int utf8
9ab6338b 2168 int align
4f68b48f
TC		 2169 PREINIT:
2170 char *str;
2171 STRLEN len;
2172 CODE:
2173#ifdef SvUTF8
2174 if (SvUTF8(str_sv))
2175 utf8 = 1;
2176#endif
2177 str = SvPV(str_sv, len);
2178 RETVAL = i_tt_cp(handle, im, xb, yb, channel, points, str, len,
9ab6338b 2179 smooth, utf8, align);
4f68b48f
TC		 2180 OUTPUT:
2181 RETVAL
02d1d628
AMH		 2182
2183
a659442a 2184void
4f68b48f 2185i_tt_bbox(handle,point,str_sv,len_ignored, utf8)
4b19f77a 2186 Imager::Font::TT handle
8d14daab 2187 double point
4f68b48f 2188 SV* str_sv
4f68b48f 2189 int utf8
02d1d628 2190 PREINIT:
8d14daab
TC		 2191 i_img_dim cords[BOUNDING_BOX_COUNT];
2192 int rc;
4f68b48f
TC		 2193 char * str;
2194 STRLEN len;
3799c4d1 2195 int i;
02d1d628 2196 PPCODE:
4f68b48f
TC		 2197#ifdef SvUTF8
2198 if (SvUTF8(ST(2)))
2199 utf8 = 1;
2200#endif
2201 str = SvPV(str_sv, len);
2202 if ((rc=i_tt_bbox(handle,point,str,len,cords, utf8))) {
3799c4d1
TC		 2203 EXTEND(SP, rc);
2204 for (i = 0; i < rc; ++i) {
2205 PUSHs(sv_2mortal(newSViv(cords[i])));
2206 }
02d1d628
AMH		 2207 }
2208
eeaa33fd
TC		 2209void
2210i_tt_has_chars(handle, text_sv, utf8)
2211 Imager::Font::TT handle
2212 SV *text_sv
2213 int utf8
2214 PREINIT:
2215 char const *text;
2216 STRLEN len;
2217 char *work;
8d14daab
TC		 2218 size_t count;
2219 size_t i;
eeaa33fd
TC		 2220 PPCODE:
2221#ifdef SvUTF8
2222 if (SvUTF8(text_sv))
2223 utf8 = 1;
2224#endif
2225 text = SvPV(text_sv, len);
2226 work = mymalloc(len);
2227 count = i_tt_has_chars(handle, text, len, utf8, work);
2228 if (GIMME_V == G_ARRAY) {
2229 EXTEND(SP, count);
2230 for (i = 0; i < count; ++i) {
6e938c74 2231 PUSHs(boolSV(work[i]));
eeaa33fd
TC		 2232 }
2233 }
2234 else {
2235 EXTEND(SP, 1);
2236 PUSHs(sv_2mortal(newSVpv(work, count)));
2237 }
2238 myfree(work);
02d1d628 2239
3799c4d1
TC		 2240void
2241i_tt_dump_names(handle)
2242 Imager::Font::TT handle
02d1d628 2243
3799c4d1
TC		 2244void
2245i_tt_face_name(handle)
2246 Imager::Font::TT handle
2247 PREINIT:
2248 char name[255];
8d14daab 2249 size_t len;
3799c4d1
TC		 2250 PPCODE:
2251 len = i_tt_face_name(handle, name, sizeof(name));
2252 if (len) {
2253 EXTEND(SP, 1);
8d14daab 2254 PUSHs(sv_2mortal(newSVpv(name, len-1)));
3799c4d1 2255 }
02d1d628 2256
19fa4baf
AMH		 2257void
2258i_tt_glyph_name(handle, text_sv, utf8 = 0)
3799c4d1
TC		 2259 Imager::Font::TT handle
2260 SV *text_sv
2261 int utf8
2262 PREINIT:
2263 char const *text;
2264 STRLEN work_len;
718b8c97 2265 size_t len;
8d14daab 2266 size_t outsize;
3799c4d1
TC		 2267 char name[255];
2268 PPCODE:
2269#ifdef SvUTF8
2270 if (SvUTF8(text_sv))
2271 utf8 = 1;
2272#endif
2273 text = SvPV(text_sv, work_len);
2274 len = work_len;
2275 while (len) {
17892255 2276 unsigned long ch;
3799c4d1
TC		 2277 if (utf8) {
2278 ch = i_utf8_advance(&text, &len);
2279 if (ch == ~0UL) {
2280 i_push_error(0, "invalid UTF8 character");
2281 break;
2282 }
2283 }
2284 else {
2285 ch = *text++;
2286 --len;
2287 }
2288 EXTEND(SP, 1);
af070d99 2289 if ((outsize = i_tt_glyph_name(handle, ch, name, sizeof(name))) != 0) {
3799c4d1
TC		 2290 PUSHs(sv_2mortal(newSVpv(name, 0)));
2291 }
2292 else {
2293 PUSHs(&PL_sv_undef);
2294 }
2295 }
2296
2297#endif
02d1d628 2298
53a6bbd4 2299const char *
e10bf46e
AMH		 2300i_test_format_probe(ig, length)
2301 Imager::IO ig
2302 int length
2303
02d1d628 2304Imager::ImgRaw
d87dc9a4 2305i_readpnm_wiol(ig, allow_incomplete)
02d1d628 2306 Imager::IO ig
d87dc9a4 2307 int allow_incomplete
02d1d628
AMH		 2308
2309
2086be61
TC		 2310void
2311i_readpnm_multi_wiol(ig, allow_incomplete)
2312 Imager::IO ig
2313 int allow_incomplete
2314 PREINIT:
2315 i_img **imgs;
2316 int count=0;
2317 int i;
2318 PPCODE:
2319 imgs = i_readpnm_multi_wiol(ig, &count, allow_incomplete);
2320 if (imgs) {
2321 EXTEND(SP, count);
2322 for (i = 0; i < count; ++i) {
2323 SV *sv = sv_newmortal();
2324 sv_setref_pv(sv, "Imager::ImgRaw", (void *)imgs[i]);
2325 PUSHs(sv);
2326 }
2327 myfree(imgs);
2328 }
2329
067d6bdc
AMH		 2330undef_int
2331i_writeppm_wiol(im, ig)
2332 Imager::ImgRaw im
2333 Imager::IO ig
2334
2335
2086be61
TC		 2336
2337
2338
02d1d628 2339Imager::ImgRaw
895dbd34
AMH		 2340i_readraw_wiol(ig,x,y,datachannels,storechannels,intrl)
2341 Imager::IO ig
8d14daab
TC		 2342 i_img_dim x
2343 i_img_dim y
02d1d628
AMH		 2344 int datachannels
2345 int storechannels
2346 int intrl
2347
2348undef_int
895dbd34 2349i_writeraw_wiol(im,ig)
02d1d628 2350 Imager::ImgRaw im
895dbd34
AMH		 2351 Imager::IO ig
2352
261f91c5
TC		 2353undef_int
2354i_writebmp_wiol(im,ig)
2355 Imager::ImgRaw im
2356 Imager::IO ig
02d1d628 2357
705fd961 2358Imager::ImgRaw
d87dc9a4 2359i_readbmp_wiol(ig, allow_incomplete=0)
705fd961 2360 Imager::IO ig
d87dc9a4 2361 int allow_incomplete
705fd961 2362
1ec86afa
AMH		 2363
2364undef_int
febba01f 2365i_writetga_wiol(im,ig, wierdpack, compress, idstring)
1ec86afa
AMH		 2366 Imager::ImgRaw im
2367 Imager::IO ig
febba01f
AMH		 2368 int wierdpack
2369 int compress
2370 char* idstring
2371 PREINIT:
febba01f
AMH		 2372 int idlen;
2373 CODE:
2374 idlen = SvCUR(ST(4));
2375 RETVAL = i_writetga_wiol(im, ig, wierdpack, compress, idstring, idlen);
2376 OUTPUT:
2377 RETVAL
2378
1ec86afa
AMH		 2379
2380Imager::ImgRaw
2381i_readtga_wiol(ig, length)
2382 Imager::IO ig
2383 int length
2384
2385
737a830c
AMH		 2386
2387
02d1d628
AMH		 2388Imager::ImgRaw
2389i_scaleaxis(im,Value,Axis)
2390 Imager::ImgRaw im
8d14daab 2391 double Value
02d1d628
AMH		 2392 int Axis
2393
2394Imager::ImgRaw
2395i_scale_nn(im,scx,scy)
2396 Imager::ImgRaw im
8d14daab
TC		 2397 double scx
2398 double scy
02d1d628 2399
658f724e
TC		 2400Imager::ImgRaw
2401i_scale_mixing(im, width, height)
2402 Imager::ImgRaw im
8d14daab
TC		 2403 i_img_dim width
2404 i_img_dim height
658f724e 2405
02d1d628
AMH		 2406Imager::ImgRaw
2407i_haar(im)
2408 Imager::ImgRaw im
2409
2410int
2411i_count_colors(im,maxc)
2412 Imager::ImgRaw im
2413 int maxc
2414
fe622da1 2415void
a60905e4
TC		 2416i_get_anonymous_color_histo(im, maxc = 0x40000000)
2417 Imager::ImgRaw im
2418 int maxc
4c99febf 2419 PREINIT:
fe622da1 2420 int i;
a60905e4 2421 unsigned int * col_usage = NULL;
4c99febf
TC		 2422 int col_cnt;
2423 PPCODE:
2424 col_cnt = i_get_anonymous_color_histo(im, &col_usage, maxc);
fe622da1 2425 EXTEND(SP, col_cnt);
a60905e4
TC		 2426 for (i = 0; i < col_cnt; i++) {
2427 PUSHs(sv_2mortal(newSViv( col_usage[i])));
fe622da1 2428 }
fe622da1
TC		 2429 myfree(col_usage);
2430 XSRETURN(col_cnt);
2431
02d1d628 2432
fb9cb3f9 2433void
02d1d628
AMH		 2434i_transform(im,opx,opy,parm)
2435 Imager::ImgRaw im
2436 PREINIT:
2437 double* parm;
8d14daab
TC		 2438 int *opx;
2439 int *opy;
02d1d628
AMH		 2440 int opxl;
2441 int opyl;
2442 int parmlen;
2443 AV* av;
2444 SV* sv1;
2445 int i;
fb9cb3f9
TC		 2446 i_img *result;
2447 PPCODE:
02d1d628
AMH		 2448 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
2449 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to an array\n");
2450 if (!SvROK(ST(3))) croak("Imager: Parameter 3 must be a reference to an array\n");
2451 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
2452 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 must be a reference to an array\n");
2453 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 3 must be a reference to an array\n");
2454 av=(AV*)SvRV(ST(1));
2455 opxl=av_len(av)+1;
2456 opx=mymalloc( opxl*sizeof(int) );
2457 for(i=0;i<opxl;i++) {
2458 sv1=(*(av_fetch(av,i,0)));
2459 opx[i]=(int)SvIV(sv1);
2460 }
2461 av=(AV*)SvRV(ST(2));
2462 opyl=av_len(av)+1;
2463 opy=mymalloc( opyl*sizeof(int) );
2464 for(i=0;i<opyl;i++) {
2465 sv1=(*(av_fetch(av,i,0)));
2466 opy[i]=(int)SvIV(sv1);
2467 }
2468 av=(AV*)SvRV(ST(3));
2469 parmlen=av_len(av)+1;
2470 parm=mymalloc( parmlen*sizeof(double) );
2471 for(i=0;i<parmlen;i++) { /* FIXME: Bug? */
2472 sv1=(*(av_fetch(av,i,0)));
2473 parm[i]=(double)SvNV(sv1);
2474 }
fb9cb3f9 2475 result=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
02d1d628
AMH		 2476 myfree(parm);
2477 myfree(opy);
2478 myfree(opx);
fb9cb3f9
TC		 2479 if (result) {
2480 SV *result_sv = sv_newmortal();
2481 EXTEND(SP, 1);
2482 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2483 PUSHs(result_sv);
2484 }
02d1d628 2485
fb9cb3f9 2486void
e5744e01
TC		 2487i_transform2(sv_width,sv_height,channels,sv_ops,av_n_regs,av_c_regs,av_in_imgs)
2488 SV *sv_width
2489 SV *sv_height
2490 SV *sv_ops
2491 AV *av_n_regs
2492 AV *av_c_regs
2493 AV *av_in_imgs
2494 int channels
02d1d628 2495 PREINIT:
8d14daab
TC		 2496 i_img_dim width;
2497 i_img_dim height;
02d1d628 2498 struct rm_op *ops;
953209f8 2499 STRLEN ops_len;
02d1d628
AMH		 2500 int ops_count;
2501 double *n_regs;
2502 int n_regs_count;
2503 i_color *c_regs;
2504 int c_regs_count;
2505 int in_imgs_count;
2506 i_img **in_imgs;
ea9e6c3f 2507 SV *sv1;
02d1d628
AMH		 2508 IV tmp;
2509 int i;
fb9cb3f9
TC		 2510 i_img *result;
2511 PPCODE:
e5744e01
TC		 2512
2513 in_imgs_count = av_len(av_in_imgs)+1;
2514 for (i = 0; i < in_imgs_count; ++i) {
2515 sv1 = *av_fetch(av_in_imgs, i, 0);
2516 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2517 croak("sv_in_img must contain only images");
02d1d628
AMH		 2518 }
2519 }
b8c2033e 2520 if (in_imgs_count > 0) {
02d1d628
AMH		 2521 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
2522 for (i = 0; i < in_imgs_count; ++i) {
e5744e01 2523 sv1 = *av_fetch(av_in_imgs,i,0);
02d1d628
AMH		 2524 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2525 croak("Parameter 5 must contain only images");
2526 }
2527 tmp = SvIV((SV*)SvRV(sv1));
e375fbd8 2528 in_imgs[i] = INT2PTR(i_img*, tmp);
02d1d628
AMH		 2529 }
2530 }
2531 else {
2532 /* no input images */
2533 in_imgs = NULL;
2534 }
2535 /* default the output size from the first input if possible */
e5744e01
TC		 2536 if (SvOK(sv_width))
2537 width = SvIV(sv_width);
02d1d628
AMH		 2538 else if (in_imgs_count)
2539 width = in_imgs[0]->xsize;
2540 else
2541 croak("No output image width supplied");
2542
e5744e01
TC		 2543 if (SvOK(sv_height))
2544 height = SvIV(sv_height);
02d1d628
AMH		 2545 else if (in_imgs_count)
2546 height = in_imgs[0]->ysize;
2547 else
2548 croak("No output image height supplied");
2549
e5744e01 2550 ops = (struct rm_op *)SvPV(sv_ops, ops_len);
02d1d628
AMH		 2551 if (ops_len % sizeof(struct rm_op))
2552 croak("Imager: Parameter 3 must be a bitmap of regops\n");
2553 ops_count = ops_len / sizeof(struct rm_op);
e5744e01
TC		 2554
2555 n_regs_count = av_len(av_n_regs)+1;
02d1d628
AMH		 2556 n_regs = mymalloc(n_regs_count * sizeof(double));
2557 for (i = 0; i < n_regs_count; ++i) {
e5744e01 2558 sv1 = *av_fetch(av_n_regs,i,0);
02d1d628
AMH		 2559 if (SvOK(sv1))
2560 n_regs[i] = SvNV(sv1);
2561 }
e5744e01 2562 c_regs_count = av_len(av_c_regs)+1;
02d1d628
AMH		 2563 c_regs = mymalloc(c_regs_count * sizeof(i_color));
2564 /* I don't bother initializing the colou?r registers */
2565
fb9cb3f9 2566 result=i_transform2(width, height, channels, ops, ops_count,
02d1d628
AMH		 2567 n_regs, n_regs_count,
2568 c_regs, c_regs_count, in_imgs, in_imgs_count);
2569 if (in_imgs)
2570 myfree(in_imgs);
2571 myfree(n_regs);
2572 myfree(c_regs);
fb9cb3f9
TC		 2573 if (result) {
2574 SV *result_sv = sv_newmortal();
2575 EXTEND(SP, 1);
2576 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2577 PUSHs(result_sv);
2578 }
02d1d628
AMH		 2579
2580
2581void
2582i_contrast(im,intensity)
2583 Imager::ImgRaw im
2584 float intensity
2585
2586void
2587i_hardinvert(im)
2588 Imager::ImgRaw im
2589
5558f899
TC		 2590void
2591i_hardinvertall(im)
2592 Imager::ImgRaw im
2593
02d1d628
AMH		 2594void
2595i_noise(im,amount,type)
2596 Imager::ImgRaw im
2597 float amount
2598 unsigned char type
2599
2600void
2601i_bumpmap(im,bump,channel,light_x,light_y,strength)
2602 Imager::ImgRaw im
2603 Imager::ImgRaw bump
2604 int channel
8d14daab
TC		 2605 i_img_dim light_x
2606 i_img_dim light_y
2607 i_img_dim strength
02d1d628 2608
b2778574
AMH		 2609
2610void
2611i_bumpmap_complex(im,bump,channel,tx,ty,Lx,Ly,Lz,cd,cs,n,Ia,Il,Is)
2612 Imager::ImgRaw im
2613 Imager::ImgRaw bump
2614 int channel
8d14daab
TC		 2615 i_img_dim tx
2616 i_img_dim ty
2617 double Lx
2618 double Ly
2619 double Lz
b2778574
AMH		 2620 float cd
2621 float cs
2622 float n
2623 Imager::Color Ia
2624 Imager::Color Il
2625 Imager::Color Is
2626
2627
2628
02d1d628
AMH		 2629void
2630i_postlevels(im,levels)
2631 Imager::ImgRaw im
2632 int levels
2633
2634void
2635i_mosaic(im,size)
2636 Imager::ImgRaw im
8d14daab 2637 i_img_dim size
02d1d628
AMH		 2638
2639void
2640i_watermark(im,wmark,tx,ty,pixdiff)
2641 Imager::ImgRaw im
2642 Imager::ImgRaw wmark
8d14daab
TC		 2643 i_img_dim tx
2644 i_img_dim ty
02d1d628
AMH		 2645 int pixdiff
2646
2647
2648void
2649i_autolevels(im,lsat,usat,skew)
2650 Imager::ImgRaw im
2651 float lsat
2652 float usat
2653 float skew
2654
2655void
2656i_radnoise(im,xo,yo,rscale,ascale)
2657 Imager::ImgRaw im
2658 float xo
2659 float yo
2660 float rscale
2661 float ascale
2662
2663void
2664i_turbnoise(im, xo, yo, scale)
2665 Imager::ImgRaw im
2666 float xo
2667 float yo
2668 float scale
2669
2670
2671void
2672i_gradgen(im, ...)
2673 Imager::ImgRaw im
2674 PREINIT:
2675 int num;
8d14daab
TC		 2676 i_img_dim *xo;
2677 i_img_dim *yo;
02d1d628
AMH		 2678 i_color *ival;
2679 int dmeasure;
2680 int i;
2681 SV *sv;
2682 AV *axx;
2683 AV *ayy;
2684 AV *ac;
2685 CODE:
2686 if (items != 5)
2687 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
2688 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2689 croak("i_gradgen: Second argument must be an array ref");
2690 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2691 croak("i_gradgen: Third argument must be an array ref");
2692 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2693 croak("i_gradgen: Fourth argument must be an array ref");
2694 axx = (AV *)SvRV(ST(1));
2695 ayy = (AV *)SvRV(ST(2));
2696 ac = (AV *)SvRV(ST(3));
2697 dmeasure = (int)SvIV(ST(4));
2698
2699 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2700 num = num <= av_len(ac) ? num : av_len(ac);
2701 num++;
2702 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
8d14daab
TC		 2703 xo = mymalloc( sizeof(i_img_dim) * num );
2704 yo = mymalloc( sizeof(i_img_dim) * num );
02d1d628
AMH		 2705 ival = mymalloc( sizeof(i_color) * num );
2706 for(i = 0; i<num; i++) {
8d14daab
TC		 2707 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2708 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
02d1d628
AMH		 2709 sv = *av_fetch(ac, i, 0);
2710 if ( !sv_derived_from(sv, "Imager::Color") ) {
2711 free(axx); free(ayy); free(ac);
2712 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
2713 }
4c4c2ffd 2714 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
02d1d628
AMH		 2715 }
2716 i_gradgen(im, num, xo, yo, ival, dmeasure);
a73aeb5f
AMH		 2717 myfree(xo);
2718 myfree(yo);
2719 myfree(ival);
2720
dff75dee
TC		 2721Imager::ImgRaw
2722i_diff_image(im, im2, mindist=0)
2723 Imager::ImgRaw im
2724 Imager::ImgRaw im2
01b84320 2725 double mindist
02d1d628 2726
e310e5f9 2727undef_int
6607600c
TC		 2728i_fountain(im, xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2729 Imager::ImgRaw im
2730 double xa
2731 double ya
2732 double xb
2733 double yb
2734 int type
2735 int repeat
2736 int combine
2737 int super_sample
2738 double ssample_param
2739 PREINIT:
6607600c 2740 AV *asegs;
6607600c
TC		 2741 int count;
2742 i_fountain_seg *segs;
6607600c 2743 CODE:
6607600c
TC		 2744 if (!SvROK(ST(10)) || ! SvTYPE(SvRV(ST(10))))
2745 croak("i_fountain: argument 11 must be an array ref");
2746
2747 asegs = (AV *)SvRV(ST(10));
b13a3ddb 2748 segs = load_fount_segs(aTHX_ asegs, &count);
e310e5f9
TC		 2749 RETVAL = i_fountain(im, xa, ya, xb, yb, type, repeat, combine,
2750 super_sample, ssample_param, count, segs);
6607600c 2751 myfree(segs);
e310e5f9
TC		 2752 OUTPUT:
2753 RETVAL
02d1d628 2754
f1ac5027
TC		 2755Imager::FillHandle
2756i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2757 double xa
2758 double ya
2759 double xb
2760 double yb
2761 int type
2762 int repeat
2763 int combine
2764 int super_sample
2765 double ssample_param
2766 PREINIT:
2767 AV *asegs;
2768 int count;
2769 i_fountain_seg *segs;
2770 CODE:
2771 if (!SvROK(ST(9)) || ! SvTYPE(SvRV(ST(9))))
2772 croak("i_fountain: argument 11 must be an array ref");
2773
2774 asegs = (AV *)SvRV(ST(9));
b13a3ddb 2775 segs = load_fount_segs(aTHX_ asegs, &count);
f1ac5027
TC		 2776 RETVAL = i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine,
2777 super_sample, ssample_param, count, segs);
2778 myfree(segs);
2779 OUTPUT:
2780 RETVAL
2781
52f2b10a
TC		 2782Imager::FillHandle
2783i_new_fill_opacity(other_fill, alpha_mult)
2784 Imager::FillHandle other_fill
2785 double alpha_mult
2786
4f4f776a
TC		 2787void
2788i_errors()
2789 PREINIT:
2790 i_errmsg *errors;
2791 int i;
4f4f776a 2792 AV *av;
4f4f776a
TC		 2793 SV *sv;
2794 PPCODE:
2795 errors = i_errors();
2796 i = 0;
2797 while (errors[i].msg) {
2798 av = newAV();
2799 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
2800 if (!av_store(av, 0, sv)) {
2801 SvREFCNT_dec(sv);
2802 }
2803 sv = newSViv(errors[i].code);
2804 if (!av_store(av, 1, sv)) {
2805 SvREFCNT_dec(sv);
2806 }
2807 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
2808 ++i;
2809 }
02d1d628 2810
2b405c9e
TC		 2811void
2812i_clear_error()
2813
2814void
2815i_push_error(code, msg)
2816 int code
2817 const char *msg
2818
e310e5f9 2819undef_int
02d1d628
AMH		 2820i_nearest_color(im, ...)
2821 Imager::ImgRaw im
2822 PREINIT:
2823 int num;
8d14daab
TC		 2824 i_img_dim *xo;
2825 i_img_dim *yo;
02d1d628
AMH		 2826 i_color *ival;
2827 int dmeasure;
2828 int i;
2829 SV *sv;
2830 AV *axx;
2831 AV *ayy;
2832 AV *ac;
2833 CODE:
2834 if (items != 5)
2835 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
2836 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2837 croak("i_nearest_color: Second argument must be an array ref");
2838 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2839 croak("i_nearest_color: Third argument must be an array ref");
2840 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2841 croak("i_nearest_color: Fourth argument must be an array ref");
2842 axx = (AV *)SvRV(ST(1));
2843 ayy = (AV *)SvRV(ST(2));
2844 ac = (AV *)SvRV(ST(3));
2845 dmeasure = (int)SvIV(ST(4));
2846
2847 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2848 num = num <= av_len(ac) ? num : av_len(ac);
2849 num++;
2850 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
8d14daab
TC		 2851 xo = mymalloc( sizeof(i_img_dim) * num );
2852 yo = mymalloc( sizeof(i_img_dim) * num );
02d1d628
AMH		 2853 ival = mymalloc( sizeof(i_color) * num );
2854 for(i = 0; i<num; i++) {
8d14daab
TC		 2855 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2856 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
02d1d628
AMH		 2857 sv = *av_fetch(ac, i, 0);
2858 if ( !sv_derived_from(sv, "Imager::Color") ) {
2859 free(axx); free(ayy); free(ac);
2860 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
2861 }
4c4c2ffd 2862 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
02d1d628 2863 }
e310e5f9
TC		 2864 RETVAL = i_nearest_color(im, num, xo, yo, ival, dmeasure);
2865 OUTPUT:
2866 RETVAL
02d1d628
AMH		 2867
2868void
2869malloc_state()
2870
02d1d628
AMH		 2871void
2872DSO_open(filename)
2873 char* filename
2874 PREINIT:
2875 void *rc;
2876 char *evstr;
2877 PPCODE:
2878 rc=DSO_open(filename,&evstr);
2879 if (rc!=NULL) {
2880 if (evstr!=NULL) {
2881 EXTEND(SP,2);
e375fbd8 2882 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
02d1d628
AMH		 2883 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
2884 } else {
2885 EXTEND(SP,1);
e375fbd8 2886 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
02d1d628
AMH		 2887 }
2888 }
2889
2890
2891undef_int
2892DSO_close(dso_handle)
2893 void* dso_handle
2894
2895void
2896DSO_funclist(dso_handle_v)
2897 void* dso_handle_v
2898 PREINIT:
2899 int i;
2900 DSO_handle *dso_handle;
d8e0c3ba 2901 func_ptr *functions;
02d1d628
AMH		 2902 PPCODE:
2903 dso_handle=(DSO_handle*)dso_handle_v;
d8e0c3ba 2904 functions = DSO_funclist(dso_handle);
02d1d628 2905 i=0;
d8e0c3ba 2906 while( functions[i].name != NULL) {
02d1d628 2907 EXTEND(SP,1);
d8e0c3ba 2908 PUSHs(sv_2mortal(newSVpv(functions[i].name,0)));
02d1d628 2909 EXTEND(SP,1);
d8e0c3ba 2910 PUSHs(sv_2mortal(newSVpv(functions[i++].pcode,0)));
02d1d628
AMH		 2911 }
2912
02d1d628
AMH		 2913void
2914DSO_call(handle,func_index,hv)
2915 void* handle
2916 int func_index
2917 PREINIT:
2918 HV* hv;
2919 PPCODE:
2920 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
2921 hv=(HV*)SvRV(ST(2));
2922 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
2923 DSO_call( (DSO_handle *)handle,func_index,hv);
2924
faa9b3e7 2925SV *
f5991c03
TC		 2926i_get_pixel(im, x, y)
2927 Imager::ImgRaw im
8d14daab
TC		 2928 i_img_dim x
2929 i_img_dim y;
faa9b3e7
TC		 2930 PREINIT:
2931 i_color *color;
2932 CODE:
2933 color = (i_color *)mymalloc(sizeof(i_color));
2934 if (i_gpix(im, x, y, color) == 0) {
a659442a
TC		 2935 RETVAL = NEWSV(0, 0);
2936 sv_setref_pv(RETVAL, "Imager::Color", (void *)color);
faa9b3e7
TC		 2937 }
2938 else {
2939 myfree(color);
a659442a 2940 RETVAL = &PL_sv_undef;
faa9b3e7 2941 }
a659442a
TC		 2942 OUTPUT:
2943 RETVAL
faa9b3e7
TC		 2944
2945
2946int
2947i_ppix(im, x, y, cl)
2948 Imager::ImgRaw im
8d14daab
TC		 2949 i_img_dim x
2950 i_img_dim y
faa9b3e7
TC		 2951 Imager::Color cl
2952
2953Imager::ImgRaw
2954i_img_pal_new(x, y, channels, maxpal)
8d14daab
TC		 2955 i_img_dim x
2956 i_img_dim y
faa9b3e7
TC		 2957 int channels
2958 int maxpal
2959
2960Imager::ImgRaw
2961i_img_to_pal(src, quant)
2962 Imager::ImgRaw src
2963 PREINIT:
2964 HV *hv;
2965 i_quantize quant;
2966 CODE:
2967 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2968 croak("i_img_to_pal: second argument must be a hash ref");
2969 hv = (HV *)SvRV(ST(1));
2970 memset(&quant, 0, sizeof(quant));
ec6d8908 2971 quant.version = 1;
faa9b3e7 2972 quant.mc_size = 256;
ec6d8908 2973 ip_handle_quant_opts(aTHX_ &quant, hv);
faa9b3e7
TC		 2974 RETVAL = i_img_to_pal(src, &quant);
2975 if (RETVAL) {
ec6d8908 2976 ip_copy_colors_back(aTHX_ hv, &quant);
faa9b3e7 2977 }
ec6d8908 2978 ip_cleanup_quant_opts(aTHX_ &quant);
faa9b3e7
TC		 2979 OUTPUT:
2980 RETVAL
2981
2982Imager::ImgRaw
2983i_img_to_rgb(src)
2984 Imager::ImgRaw src
2985
5e9a7fbd
TC		 2986void
2987i_img_make_palette(HV *quant_hv, ...)
2988 PREINIT:
2989 size_t count = items - 1;
2990 i_quantize quant;
2991 i_img **imgs = NULL;
2992 ssize_t i;
2993 PPCODE:
2994 if (count <= 0)
2995 croak("Please supply at least one image (%d)", (int)count);
2996 imgs = mymalloc(sizeof(i_img *) * count);
2997 for (i = 0; i < count; ++i) {
2998 SV *img_sv = ST(i + 1);
2999 if (SvROK(img_sv) && sv_derived_from(img_sv, "Imager::ImgRaw")) {
3000 imgs[i] = INT2PTR(i_img *, SvIV((SV*)SvRV(img_sv)));
3001 }
3002 else {
3003 myfree(imgs);
ec2f6280 3004 croak("Image %d is not an image object", (int)i+1);
5e9a7fbd
TC		 3005 }
3006 }
3007 memset(&quant, 0, sizeof(quant));
3008 quant.version = 1;
3009 quant.mc_size = 256;
3010 ip_handle_quant_opts(aTHX_ &quant, quant_hv);
3011 i_quant_makemap(&quant, imgs, count);
3012 EXTEND(SP, quant.mc_count);
3013 for (i = 0; i < quant.mc_count; ++i) {
3014 SV *sv_c = make_i_color_sv(aTHX_ quant.mc_colors + i);
3015 PUSHs(sv_c);
3016 }
3017 ip_cleanup_quant_opts(aTHX_ &quant);
3018
3019
faa9b3e7
TC		 3020void
3021i_gpal(im, l, r, y)
3022 Imager::ImgRaw im
8d14daab
TC		 3023 i_img_dim l
3024 i_img_dim r
3025 i_img_dim y
faa9b3e7
TC		 3026 PREINIT:
3027 i_palidx *work;
3028 int count, i;
3029 PPCODE:
3030 if (l < r) {
3031 work = mymalloc((r-l) * sizeof(i_palidx));
3032 count = i_gpal(im, l, r, y, work);
3033 if (GIMME_V == G_ARRAY) {
3034 EXTEND(SP, count);
3035 for (i = 0; i < count; ++i) {
3036 PUSHs(sv_2mortal(newSViv(work[i])));
3037 }
3038 }
3039 else {
3040 EXTEND(SP, 1);
26fd367b 3041 PUSHs(sv_2mortal(newSVpv((char *)work, count * sizeof(i_palidx))));
faa9b3e7
TC		 3042 }
3043 myfree(work);
3044 }
3045 else {
3046 if (GIMME_V != G_ARRAY) {
3047 EXTEND(SP, 1);
3048 PUSHs(&PL_sv_undef);
3049 }
3050 }
3051
3052int
3053i_ppal(im, l, y, ...)
3054 Imager::ImgRaw im
8d14daab
TC		 3055 i_img_dim l
3056 i_img_dim y
faa9b3e7
TC		 3057 PREINIT:
3058 i_palidx *work;
ebe9b189 3059 i_img_dim i;
faa9b3e7
TC		 3060 CODE:
3061 if (items > 3) {
ebe9b189 3062 work = malloc_temp(aTHX_ sizeof(i_palidx) * (items-3));
faa9b3e7
TC		 3063 for (i=0; i < items-3; ++i) {
3064 work[i] = SvIV(ST(i+3));
3065 }
4cda4e76 3066 validate_i_ppal(im, work, items - 3);
faa9b3e7 3067 RETVAL = i_ppal(im, l, l+items-3, y, work);
faa9b3e7
TC		 3068 }
3069 else {
3070 RETVAL = 0;
3071 }
3072 OUTPUT:
3073 RETVAL
3074
4cda4e76
TC		 3075int
3076i_ppal_p(im, l, y, data)
3077 Imager::ImgRaw im
8d14daab
TC		 3078 i_img_dim l
3079 i_img_dim y
4cda4e76
TC		 3080 SV *data
3081 PREINIT:
3082 i_palidx const *work;
4cda4e76 3083 STRLEN len;
4cda4e76
TC		 3084 CODE:
3085 work = (i_palidx const *)SvPV(data, len);
3086 len /= sizeof(i_palidx);
3087 if (len > 0) {
3088 validate_i_ppal(im, work, len);
3089 RETVAL = i_ppal(im, l, l+len, y, work);
3090 }
3091 else {
3092 RETVAL = 0;
3093 }
3094 OUTPUT:
3095 RETVAL
3096
faa9b3e7
TC		 3097SV *
3098i_addcolors(im, ...)
3099 Imager::ImgRaw im
3100 PREINIT:
3101 int index;
3102 i_color *colors;
3103 int i;
3104 CODE:
3105 if (items < 2)
3106 croak("i_addcolors: no colors to add");
3107 colors = mymalloc((items-1) * sizeof(i_color));
3108 for (i=0; i < items-1; ++i) {
3109 if (sv_isobject(ST(i+1))
3110 && sv_derived_from(ST(i+1), "Imager::Color")) {
3111 IV tmp = SvIV((SV *)SvRV(ST(i+1)));
4c4c2ffd 3112 colors[i] = *INT2PTR(i_color *, tmp);
faa9b3e7
TC		 3113 }
3114 else {
3115 myfree(colors);
ca4d914e 3116 croak("i_addcolor: pixels must be Imager::Color objects");
faa9b3e7
TC		 3117 }
3118 }
3119 index = i_addcolors(im, colors, items-1);
3120 myfree(colors);
3121 if (index == 0) {
a659442a 3122 RETVAL = newSVpv("0 but true", 0);
faa9b3e7
TC		 3123 }
3124 else if (index == -1) {
a659442a 3125 RETVAL = &PL_sv_undef;
faa9b3e7
TC		 3126 }
3127 else {
a659442a 3128 RETVAL = newSViv(index);
faa9b3e7 3129 }
a659442a
TC		 3130 OUTPUT:
3131 RETVAL
faa9b3e7 3132
1501d9b3 3133undef_int
faa9b3e7
TC		 3134i_setcolors(im, index, ...)
3135 Imager::ImgRaw im
3136 int index
3137 PREINIT:
3138 i_color *colors;
3139 int i;
3140 CODE:
3141 if (items < 3)
3142 croak("i_setcolors: no colors to add");
3143 colors = mymalloc((items-2) * sizeof(i_color));
3144 for (i=0; i < items-2; ++i) {
3145 if (sv_isobject(ST(i+2))
3146 && sv_derived_from(ST(i+2), "Imager::Color")) {
3147 IV tmp = SvIV((SV *)SvRV(ST(i+2)));
4c4c2ffd 3148 colors[i] = *INT2PTR(i_color *, tmp);
faa9b3e7
TC		 3149 }
3150 else {
3151 myfree(colors);
3152 croak("i_setcolors: pixels must be Imager::Color objects");
3153 }
3154 }
3155 RETVAL = i_setcolors(im, index, colors, items-2);
3156 myfree(colors);
1501d9b3
TC		 3157 OUTPUT:
3158 RETVAL
faa9b3e7
TC		 3159
3160void
3161i_getcolors(im, index, ...)
3162 Imager::ImgRaw im
3163 int index
3164 PREINIT:
3165 i_color *colors;
3166 int count = 1;
3167 int i;
3168 PPCODE:
3169 if (items > 3)
3170 croak("i_getcolors: too many arguments");
3171 if (items == 3)
3172 count = SvIV(ST(2));
3173 if (count < 1)
3174 croak("i_getcolors: count must be positive");
3175 colors = mymalloc(sizeof(i_color) * count);
3176 if (i_getcolors(im, index, colors, count)) {
3177 for (i = 0; i < count; ++i) {
5e9a7fbd 3178 SV *sv = make_i_color_sv(aTHX_ colors+i);
faa9b3e7
TC		 3179 PUSHs(sv);
3180 }
3181 }
3182 myfree(colors);
3183
3184
a659442a 3185undef_neg_int
faa9b3e7
TC		 3186i_colorcount(im)
3187 Imager::ImgRaw im
faa9b3e7 3188
a659442a 3189undef_neg_int
faa9b3e7
TC		 3190i_maxcolors(im)
3191 Imager::ImgRaw im
faa9b3e7
TC		 3192
3193SV *
3194i_findcolor(im, color)
3195 Imager::ImgRaw im
3196 Imager::Color color
3197 PREINIT:
3198 i_palidx index;
3199 CODE:
3200 if (i_findcolor(im, color, &index)) {
a659442a 3201 RETVAL = newSViv(index);
faa9b3e7
TC		 3202 }
3203 else {
a659442a 3204 RETVAL = &PL_sv_undef;
faa9b3e7 3205 }
a659442a
TC		 3206 OUTPUT:
3207 RETVAL
faa9b3e7
TC		 3208
3209int
3210i_img_bits(im)
3211 Imager::ImgRaw im
3212
3213int
3214i_img_type(im)
3215 Imager::ImgRaw im
3216
3217int
3218i_img_virtual(im)
3219 Imager::ImgRaw im
3220
3221void
6a9807e8 3222i_gsamp(im, l, r, y, channels)
faa9b3e7 3223 Imager::ImgRaw im
8d14daab
TC		 3224 i_img_dim l
3225 i_img_dim r
3226 i_img_dim y
6a9807e8 3227 i_channel_list channels
faa9b3e7 3228 PREINIT:
faa9b3e7 3229 i_sample_t *data;
8d14daab 3230 i_img_dim count, i;
faa9b3e7 3231 PPCODE:
faa9b3e7 3232 if (l < r) {
6a9807e8
TC		 3233 data = mymalloc(sizeof(i_sample_t) * (r-l) * channels.count); /* XXX: memleak? */
3234 count = i_gsamp(im, l, r, y, data, channels.channels, channels.count);
faa9b3e7
TC		 3235 if (GIMME_V == G_ARRAY) {
3236 EXTEND(SP, count);
3237 for (i = 0; i < count; ++i)
3238 PUSHs(sv_2mortal(newSViv(data[i])));
3239 }
3240 else {
3241 EXTEND(SP, 1);
26fd367b 3242 PUSHs(sv_2mortal(newSVpv((char *)data, count * sizeof(i_sample_t))));
faa9b3e7 3243 }
a73aeb5f 3244 myfree(data);
faa9b3e7
TC		 3245 }
3246 else {
3247 if (GIMME_V != G_ARRAY) {
3248 EXTEND(SP, 1);
3249 PUSHs(&PL_sv_undef);
3250 }
3251 }
3252
bd8052a6 3253undef_neg_int
6a9807e8 3254i_gsamp_bits(im, l, r, y, bits, target, offset, channels)
bd8052a6 3255 Imager::ImgRaw im
8d14daab
TC		 3256 i_img_dim l
3257 i_img_dim r
3258 i_img_dim y
bd8052a6
TC		 3259 int bits
3260 AV *target
8d14daab 3261 STRLEN offset
6a9807e8 3262 i_channel_list channels
bd8052a6 3263 PREINIT:
bd8052a6 3264 unsigned *data;
8d14daab 3265 i_img_dim count, i;
bd8052a6
TC		 3266 CODE:
3267 i_clear_error();
3268 if (items < 8)
3269 croak("No channel numbers supplied to g_samp()");
3270 if (l < r) {
6a9807e8
TC		 3271 data = mymalloc(sizeof(unsigned) * (r-l) * channels.count);
3272 count = i_gsamp_bits(im, l, r, y, data, channels.channels, channels.count, bits);
bd8052a6
TC		 3273 for (i = 0; i < count; ++i) {
3274 av_store(target, i+offset, newSVuv(data[i]));
3275 }
3276 myfree(data);
3277 RETVAL = count;
3278 }
3279 else {
3280 RETVAL = 0;
3281 }
3282 OUTPUT:
3283 RETVAL
3284
3285undef_neg_int
6a9807e8 3286i_psamp_bits(im, l, y, bits, channels, data_av, data_offset = 0, pixel_count = -1)
bd8052a6 3287 Imager::ImgRaw im
8d14daab
TC		 3288 i_img_dim l
3289 i_img_dim y
bd8052a6 3290 int bits
6a9807e8 3291 i_channel_list channels
bd8052a6
TC		 3292 AV *data_av
3293 int data_offset
3294 int pixel_count
3295 PREINIT:
8d14daab
TC		 3296 STRLEN data_count;
3297 size_t data_used;
bd8052a6 3298 unsigned *data;
8d14daab 3299 ptrdiff_t i;
bd8052a6
TC		 3300 CODE:
3301 i_clear_error();
bd8052a6
TC		 3302
3303 data_count = av_len(data_av) + 1;
3304 if (data_offset < 0) {
3305 croak("data_offset must by non-negative");
3306 }
3307 if (data_offset > data_count) {
3308 croak("data_offset greater than number of samples supplied");
3309 }
3310 if (pixel_count == -1 ||
6a9807e8
TC		 3311 data_offset + pixel_count * channels.count > data_count) {
3312 pixel_count = (data_count - data_offset) / channels.count;
bd8052a6
TC		 3313 }
3314
6a9807e8 3315 data_used = pixel_count * channels.count;
bd8052a6
TC		 3316 data = mymalloc(sizeof(unsigned) * data_count);
3317 for (i = 0; i < data_used; ++i)
3318 data[i] = SvUV(*av_fetch(data_av, data_offset + i, 0));
3319
6a9807e8
TC		 3320 RETVAL = i_psamp_bits(im, l, l + pixel_count, y, data, channels.channels,
3321 channels.count, bits);
bd8052a6
TC		 3322
3323 if (data)
3324 myfree(data);
bd8052a6
TC		 3325 OUTPUT:
3326 RETVAL
a73aeb5f 3327
faa9b3e7
TC		 3328Imager::ImgRaw
3329i_img_masked_new(targ, mask, x, y, w, h)
3330 Imager::ImgRaw targ
8d14daab
TC		 3331 i_img_dim x
3332 i_img_dim y
3333 i_img_dim w
3334 i_img_dim h
faa9b3e7
TC		 3335 PREINIT:
3336 i_img *mask;
3337 CODE:
3338 if (SvOK(ST(1))) {
3339 if (!sv_isobject(ST(1))
3340 || !sv_derived_from(ST(1), "Imager::ImgRaw")) {
3341 croak("i_img_masked_new: parameter 2 must undef or an image");
3342 }
4c4c2ffd 3343 mask = INT2PTR(i_img *, SvIV((SV *)SvRV(ST(1))));
faa9b3e7
TC		 3344 }
3345 else
3346 mask = NULL;
3347 RETVAL = i_img_masked_new(targ, mask, x, y, w, h);
3348 OUTPUT:
3349 RETVAL
3350
3351int
3352i_plin(im, l, y, ...)
3353 Imager::ImgRaw im
8d14daab
TC		 3354 i_img_dim l
3355 i_img_dim y
faa9b3e7
TC		 3356 PREINIT:
3357 i_color *work;
8d14daab 3358 STRLEN i;
ca4d914e 3359 STRLEN len;
8d14daab 3360 size_t count;
faa9b3e7
TC		 3361 CODE:
3362 if (items > 3) {
ca4d914e
TC		 3363 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3364 /* supplied as a byte string */
3365 work = (i_color *)SvPV(ST(3), len);
3366 count = len / sizeof(i_color);
3367 if (count * sizeof(i_color) != len) {
3368 croak("i_plin: length of scalar argument must be multiple of sizeof i_color");
faa9b3e7 3369 }
ca4d914e
TC		 3370 RETVAL = i_plin(im, l, l+count, y, work);
3371 }
3372 else {
3373 work = mymalloc(sizeof(i_color) * (items-3));
3374 for (i=0; i < items-3; ++i) {
3375 if (sv_isobject(ST(i+3))
3376 && sv_derived_from(ST(i+3), "Imager::Color")) {
3377 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3378 work[i] = *INT2PTR(i_color *, tmp);
3379 }
3380 else {
3381 myfree(work);
3382 croak("i_plin: pixels must be Imager::Color objects");
3383 }
faa9b3e7 3384 }
ca4d914e
TC		 3385 RETVAL = i_plin(im, l, l+items-3, y, work);
3386 myfree(work);
faa9b3e7 3387 }
faa9b3e7
TC		 3388 }
3389 else {
3390 RETVAL = 0;
3391 }
3392 OUTPUT:
3393 RETVAL
3394
3395int
3396i_ppixf(im, x, y, cl)
3397 Imager::ImgRaw im
8d14daab
TC		 3398 i_img_dim x
3399 i_img_dim y
faa9b3e7
TC		 3400 Imager::Color::Float cl
3401
3402void
6a9807e8 3403i_gsampf(im, l, r, y, channels)
faa9b3e7 3404 Imager::ImgRaw im
8d14daab
TC		 3405 i_img_dim l
3406 i_img_dim r
3407 i_img_dim y
6a9807e8 3408 i_channel_list channels
faa9b3e7 3409 PREINIT:
faa9b3e7 3410 i_fsample_t *data;
8d14daab 3411 i_img_dim count, i;
faa9b3e7 3412 PPCODE:
faa9b3e7 3413 if (l < r) {
6a9807e8
TC		 3414 data = mymalloc(sizeof(i_fsample_t) * (r-l) * channels.count);
3415 count = i_gsampf(im, l, r, y, data, channels.channels, channels.count);
faa9b3e7
TC		 3416 if (GIMME_V == G_ARRAY) {
3417 EXTEND(SP, count);
3418 for (i = 0; i < count; ++i)
3419 PUSHs(sv_2mortal(newSVnv(data[i])));
3420 }
3421 else {
3422 EXTEND(SP, 1);
3423 PUSHs(sv_2mortal(newSVpv((void *)data, count * sizeof(i_fsample_t))));
3424 }
3631271b 3425 myfree(data);
faa9b3e7
TC		 3426 }
3427 else {
3428 if (GIMME_V != G_ARRAY) {
3429 EXTEND(SP, 1);
3430 PUSHs(&PL_sv_undef);
3431 }
3432 }
3433
3434int
3435i_plinf(im, l, y, ...)
3436 Imager::ImgRaw im
8d14daab
TC		 3437 i_img_dim l
3438 i_img_dim y
faa9b3e7
TC		 3439 PREINIT:
3440 i_fcolor *work;
8d14daab 3441 i_img_dim i;
ca4d914e 3442 STRLEN len;
8d14daab 3443 size_t count;
faa9b3e7
TC		 3444 CODE:
3445 if (items > 3) {
ca4d914e
TC		 3446 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3447 /* supplied as a byte string */
3448 work = (i_fcolor *)SvPV(ST(3), len);
3449 count = len / sizeof(i_fcolor);
3450 if (count * sizeof(i_fcolor) != len) {
3451 croak("i_plin: length of scalar argument must be multiple of sizeof i_fcolor");
faa9b3e7 3452 }
ca4d914e
TC		 3453 RETVAL = i_plinf(im, l, l+count, y, work);
3454 }
3455 else {
3456 work = mymalloc(sizeof(i_fcolor) * (items-3));
3457 for (i=0; i < items-3; ++i) {
3458 if (sv_isobject(ST(i+3))
3459 && sv_derived_from(ST(i+3), "Imager::Color::Float")) {
3460 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3461 work[i] = *INT2PTR(i_fcolor *, tmp);
3462 }
3463 else {
3464 myfree(work);
3465 croak("i_plinf: pixels must be Imager::Color::Float objects");
3466 }
faa9b3e7 3467 }
ca4d914e
TC		 3468 /**(char *)0 = 1;*/
3469 RETVAL = i_plinf(im, l, l+items-3, y, work);
3470 myfree(work);
faa9b3e7 3471 }
faa9b3e7
TC		 3472 }
3473 else {
3474 RETVAL = 0;
3475 }
3476 OUTPUT:
3477 RETVAL
3478
3479SV *
3480i_gpixf(im, x, y)
3481 Imager::ImgRaw im
8d14daab
TC		 3482 i_img_dim x
3483 i_img_dim y;
faa9b3e7
TC		 3484 PREINIT:
3485 i_fcolor *color;
3486 CODE:
3487 color = (i_fcolor *)mymalloc(sizeof(i_fcolor));
3488 if (i_gpixf(im, x, y, color) == 0) {
a659442a
TC		 3489 RETVAL = NEWSV(0,0);
3490 sv_setref_pv(RETVAL, "Imager::Color::Float", (void *)color);
faa9b3e7
TC		 3491 }
3492 else {
3493 myfree(color);
a659442a 3494 RETVAL = &PL_sv_undef;
faa9b3e7 3495 }
a659442a
TC		 3496 OUTPUT:
3497 RETVAL
3498
faa9b3e7
TC		 3499void
3500i_glin(im, l, r, y)
3501 Imager::ImgRaw im
8d14daab
TC		 3502 i_img_dim l
3503 i_img_dim r
3504 i_img_dim y
faa9b3e7
TC		 3505 PREINIT:
3506 i_color *vals;
8d14daab 3507 i_img_dim count, i;
faa9b3e7
TC		 3508 PPCODE:
3509 if (l < r) {
3510 vals = mymalloc((r-l) * sizeof(i_color));
b3aa972f 3511 memset(vals, 0, (r-l) * sizeof(i_color));
faa9b3e7 3512 count = i_glin(im, l, r, y, vals);
ca4d914e
TC		 3513 if (GIMME_V == G_ARRAY) {
3514 EXTEND(SP, count);
3515 for (i = 0; i < count; ++i) {
5e9a7fbd 3516 SV *sv = make_i_color_sv(aTHX_ vals+i);
ca4d914e
TC		 3517 PUSHs(sv);
3518 }
3519 }
3520 else if (count) {
3521 EXTEND(SP, 1);
3522 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_color))));
faa9b3e7
TC		 3523 }
3524 myfree(vals);
3525 }
3526
3527void
3528i_glinf(im, l, r, y)
3529 Imager::ImgRaw im
8d14daab
TC		 3530 i_img_dim l
3531 i_img_dim r
3532 i_img_dim y
faa9b3e7
TC		 3533 PREINIT:
3534 i_fcolor *vals;
8d14daab 3535 i_img_dim count, i;
919e0000 3536 i_fcolor zero;
faa9b3e7 3537 PPCODE:
919e0000
TC		 3538 for (i = 0; i < MAXCHANNELS; ++i)
3539 zero.channel[i] = 0;
faa9b3e7
TC		 3540 if (l < r) {
3541 vals = mymalloc((r-l) * sizeof(i_fcolor));
b3aa972f
TC		 3542 for (i = 0; i < r-l; ++i)
3543 vals[i] = zero;
faa9b3e7 3544 count = i_glinf(im, l, r, y, vals);
ca4d914e
TC		 3545 if (GIMME_V == G_ARRAY) {
3546 EXTEND(SP, count);
3547 for (i = 0; i < count; ++i) {
3548 SV *sv;
3549 i_fcolor *col = mymalloc(sizeof(i_fcolor));
3550 *col = vals[i];
3551 sv = sv_newmortal();
3552 sv_setref_pv(sv, "Imager::Color::Float", (void *)col);
3553 PUSHs(sv);
3554 }
3555 }
3556 else if (count) {
3557 EXTEND(SP, 1);
3558 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_fcolor))));
faa9b3e7
TC		 3559 }
3560 myfree(vals);
3561 }
3562
3563Imager::ImgRaw
3564i_img_16_new(x, y, ch)
8d14daab
TC		 3565 i_img_dim x
3566 i_img_dim y
faa9b3e7
TC		 3567 int ch
3568
167660cd
TC		 3569Imager::ImgRaw
3570i_img_to_rgb16(im)
3571 Imager::ImgRaw im
3572
365ea842
TC		 3573Imager::ImgRaw
3574i_img_double_new(x, y, ch)
8d14daab
TC		 3575 i_img_dim x
3576 i_img_dim y
365ea842
TC		 3577 int ch
3578
bfe6ba3f
TC		 3579Imager::ImgRaw
3580i_img_to_drgb(im)
3581 Imager::ImgRaw im
3582
faa9b3e7
TC		 3583undef_int
3584i_tags_addn(im, name, code, idata)
3585 Imager::ImgRaw im
3586 int code
3587 int idata
3588 PREINIT:
3589 char *name;
3590 STRLEN len;
3591 CODE:
3592 if (SvOK(ST(1)))
3593 name = SvPV(ST(1), len);
3594 else
3595 name = NULL;
3596 RETVAL = i_tags_addn(&im->tags, name, code, idata);
3597 OUTPUT:
3598 RETVAL
3599
3600undef_int
3601i_tags_add(im, name, code, data, idata)
3602 Imager::ImgRaw im
3603 int code
3604 int idata
3605 PREINIT:
3606 char *name;
3607 char *data;
3608 STRLEN len;
3609 CODE:
3610 if (SvOK(ST(1)))
3611 name = SvPV(ST(1), len);
3612 else
3613 name = NULL;
3614 if (SvOK(ST(3)))
3615 data = SvPV(ST(3), len);
3616 else {
3617 data = NULL;
3618 len = 0;
3619 }
3620 RETVAL = i_tags_add(&im->tags, name, code, data, len, idata);
3621 OUTPUT:
3622 RETVAL
3623
3624SV *
3625i_tags_find(im, name, start)
3626 Imager::ImgRaw im
3627 char *name
3628 int start
3629 PREINIT:
3630 int entry;
3631 CODE:
3632 if (i_tags_find(&im->tags, name, start, &entry)) {
3633 if (entry == 0)
a659442a 3634 RETVAL = newSVpv("0 but true", 0);
faa9b3e7 3635 else
a659442a 3636 RETVAL = newSViv(entry);
faa9b3e7 3637 } else {
a659442a 3638 RETVAL = &PL_sv_undef;
faa9b3e7 3639 }
a659442a
TC		 3640 OUTPUT:
3641 RETVAL
faa9b3e7
TC		 3642
3643SV *
3644i_tags_findn(im, code, start)
3645 Imager::ImgRaw im
3646 int code
3647 int start
3648 PREINIT:
3649 int entry;
3650 CODE:
3651 if (i_tags_findn(&im->tags, code, start, &entry)) {
3652 if (entry == 0)
a659442a 3653 RETVAL = newSVpv("0 but true", 0);
faa9b3e7 3654 else
a659442a 3655 RETVAL = newSViv(entry);
faa9b3e7 3656 }
a659442a
TC		 3657 else {
3658 RETVAL = &PL_sv_undef;
3659 }
3660 OUTPUT:
3661 RETVAL
faa9b3e7
TC		 3662
3663int
3664i_tags_delete(im, entry)
3665 Imager::ImgRaw im
3666 int entry
3667 CODE:
3668 RETVAL = i_tags_delete(&im->tags, entry);
3669 OUTPUT:
3670 RETVAL
3671
3672int
3673i_tags_delbyname(im, name)
3674 Imager::ImgRaw im
3675 char * name
3676 CODE:
3677 RETVAL = i_tags_delbyname(&im->tags, name);
3678 OUTPUT:
3679 RETVAL
3680
3681int
3682i_tags_delbycode(im, code)
3683 Imager::ImgRaw im
3684 int code
3685 CODE:
3686 RETVAL = i_tags_delbycode(&im->tags, code);
3687 OUTPUT:
3688 RETVAL
3689
3690void
3691i_tags_get(im, index)
3692 Imager::ImgRaw im
3693 int index
3694 PPCODE:
3695 if (index >= 0 && index < im->tags.count) {
3696 i_img_tag *entry = im->tags.tags + index;
3697 EXTEND(SP, 5);
3698
3699 if (entry->name) {
3700 PUSHs(sv_2mortal(newSVpv(entry->name, 0)));
3701 }
3702 else {
3703 PUSHs(sv_2mortal(newSViv(entry->code)));
3704 }
3705 if (entry->data) {
3706 PUSHs(sv_2mortal(newSVpvn(entry->data, entry->size)));
3707 }
3708 else {
3709 PUSHs(sv_2mortal(newSViv(entry->idata)));
3710 }
3711 }
3712
241defe8
TC		 3713void
3714i_tags_get_string(im, what_sv)
3715 Imager::ImgRaw im
3716 SV *what_sv
3717 PREINIT:
3718 char const *name = NULL;
3719 int code;
3720 char buffer[200];
241defe8
TC		 3721 PPCODE:
3722 if (SvIOK(what_sv)) {
3723 code = SvIV(what_sv);
3724 name = NULL;
3725 }
3726 else {
3727 name = SvPV_nolen(what_sv);
3728 code = 0;
3729 }
3730 if (i_tags_get_string(&im->tags, name, code, buffer, sizeof(buffer))) {
3731 EXTEND(SP, 1);
3732 PUSHs(sv_2mortal(newSVpv(buffer, 0)));
3733 }
3734
faa9b3e7
TC		 3735int
3736i_tags_count(im)
3737 Imager::ImgRaw im
3738 CODE:
3739 RETVAL = im->tags.count;
3740 OUTPUT:
3741 RETVAL
3742
faa9b3e7 3743
faa9b3e7 3744
f1ac5027
TC		 3745MODULE = Imager PACKAGE = Imager::FillHandle PREFIX=IFILL_
3746
3747void
3748IFILL_DESTROY(fill)
3749 Imager::FillHandle fill
3750
ffddd407
TC		 3751int
3752IFILL_CLONE_SKIP(...)
3753 CODE:
8d14daab 3754 (void)items; /* avoid unused warning for XS variable */
ffddd407
TC		 3755 RETVAL = 1;
3756 OUTPUT:
3757 RETVAL
3758
f1ac5027
TC		 3759MODULE = Imager PACKAGE = Imager
3760
3761Imager::FillHandle
3762i_new_fill_solid(cl, combine)
3763 Imager::Color cl
3764 int combine
3765
3766Imager::FillHandle
3767i_new_fill_solidf(cl, combine)
3768 Imager::Color::Float cl
3769 int combine
3770
3771Imager::FillHandle
3772i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy)
3773 Imager::Color fg
3774 Imager::Color bg
3775 int combine
3776 int hatch
8d14daab
TC		 3777 i_img_dim dx
3778 i_img_dim dy
f1ac5027
TC		 3779 PREINIT:
3780 unsigned char *cust_hatch;
3781 STRLEN len;
3782 CODE:
3783 if (SvOK(ST(4))) {
26fd367b 3784 cust_hatch = (unsigned char *)SvPV(ST(4), len);
f1ac5027
TC		 3785 }
3786 else
3787 cust_hatch = NULL;
3788 RETVAL = i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy);
3789 OUTPUT:
3790 RETVAL
3791
efdc2568
TC		 3792Imager::FillHandle
3793i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy)
3794 Imager::Color::Float fg
3795 Imager::Color::Float bg
3796 int combine
3797 int hatch
8d14daab
TC		 3798 i_img_dim dx
3799 i_img_dim dy
efdc2568
TC		 3800 PREINIT:
3801 unsigned char *cust_hatch;
3802 STRLEN len;
3803 CODE:
3804 if (SvOK(ST(4))) {
26fd367b 3805 cust_hatch = (unsigned char *)SvPV(ST(4), len);
efdc2568
TC		 3806 }
3807 else
3808 cust_hatch = NULL;
3809 RETVAL = i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy);
3810 OUTPUT:
3811 RETVAL
3812
f576ce7e
TC		 3813Imager::FillHandle
3814i_new_fill_image(src, matrix, xoff, yoff, combine)
3815 Imager::ImgRaw src
8d14daab
TC		 3816 i_img_dim xoff
3817 i_img_dim yoff
f576ce7e
TC		 3818 int combine
3819 PREINIT:
3820 double matrix[9];
3821 double *matrixp;
3822 AV *av;
3823 IV len;
3824 SV *sv1;
3825 int i;
3826 CODE:
3827 if (!SvOK(ST(1))) {
3828 matrixp = NULL;
3829 }
3830 else {
3831 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
3832 croak("i_new_fill_image: parameter must be an arrayref");
3833 av=(AV*)SvRV(ST(1));
3834 len=av_len(av)+1;
3835 if (len > 9)
3836 len = 9;
3837 for (i = 0; i < len; ++i) {
3838 sv1=(*(av_fetch(av,i,0)));
3839 matrix[i] = SvNV(sv1);
3840 }
3841 for (; i < 9; ++i)
3842 matrix[i] = 0;
3843 matrixp = matrix;
3844 }
3845 RETVAL = i_new_fill_image(src, matrixp, xoff, yoff, combine);
3846 OUTPUT:
3847 RETVAL
042cdaea 3848
a8652edf
TC		 3849MODULE = Imager PACKAGE = Imager::Internal::Hlines PREFIX=i_int_hlines_
3850
3851# this class is only exposed for testing
3852
3853int
3854i_int_hlines_testing()
3855
3856#if i_int_hlines_testing()
3857
3858Imager::Internal::Hlines
3859i_int_hlines_new(start_y, count_y, start_x, count_x)
8d14daab 3860 i_img_dim start_y
a8652edf 3861 int count_y
8d14daab 3862 i_img_dim start_x
a8652edf
TC		 3863 int count_x
3864
3865Imager::Internal::Hlines
3866i_int_hlines_new_img(im)
3867 Imager::ImgRaw im
3868
3869void
3870i_int_hlines_add(hlines, y, minx, width)
3871 Imager::Internal::Hlines hlines
8d14daab
TC		 3872 i_img_dim y
3873 i_img_dim minx
3874 i_img_dim width
a8652edf
TC		 3875
3876void
3877i_int_hlines_DESTROY(hlines)
3878 Imager::Internal::Hlines hlines
3879
3880SV *
3881i_int_hlines_dump(hlines)
3882 Imager::Internal::Hlines hlines
3883
ffddd407
TC		 3884int
3885i_int_hlines_CLONE_SKIP(cls)
ffddd407 3886
a8652edf 3887#endif
92bda632
TC		 3888
3889BOOT:
3890 PERL_SET_GLOBAL_CALLBACKS;
6d5c85a2 3891 PERL_PL_SET_GLOBAL_CALLBACKS;
Image manipulation for perl