invalid quantization options now result in an error rather than defaults
[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"
52d990d6 24#include "imperlio.h"
4498c8bd 25#include <float.h>
a8652edf 26
92bda632
TC
27#if i_int_hlines_testing()
28#include "imageri.h"
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29#endif
30
92bda632 31#include "imperl.h"
faa9b3e7 32
0d80f37e
TC
33#define ARRAY_COUNT(array) (sizeof(array)/sizeof(*array))
34
31a13473
TC
35/*
36
37Context object management
38
39*/
40
41typedef im_context_t Imager__Context;
42
43#define im_context_DESTROY(ctx) im_context_refdec((ctx), "DESTROY")
44
45#ifdef PERL_IMPLICIT_CONTEXT
46
47#define MY_CXT_KEY "Imager::_context" XS_VERSION
48
49typedef struct {
50 im_context_t ctx;
51} my_cxt_t;
52
53START_MY_CXT
54
31a13473
TC
55static void
56start_context(pTHX) {
57 dMY_CXT;
58 MY_CXT.ctx = im_context_new();
59 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
31a13473
TC
60}
61
62static im_context_t
63perl_get_context(void) {
64 dTHX;
65 dMY_CXT;
66
2e23caff 67 return MY_CXT.ctx;
31a13473
TC
68}
69
70#else
71
72static im_context_t perl_context;
73
74static void
75start_context(pTHX) {
76 perl_context = im_context_new();
2e23caff
TC
77
78 /* just so it gets destroyed */
79 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", perl_context);
31a13473 80}
cf8c77ae
TC
81
82static im_context_t
83perl_get_context(void) {
31a13473 84 return perl_context;
cf8c77ae
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85}
86
31a13473
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87#endif
88
6a9807e8
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89/* used to represent channel lists parameters */
90typedef struct i_channel_list_tag {
91 int *channels;
92 int count;
93} i_channel_list;
94
48b9a7bf
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95typedef struct {
96 size_t count;
97 const i_sample_t *samples;
98} i_sample_list;
99
100typedef struct {
101 size_t count;
102 const i_fsample_t *samples;
103} i_fsample_list;
104
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105typedef struct {
106 size_t count;
107 const i_polygon_t *polygons;
108} i_polygon_list;
109
ebe9b189
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110/*
111
112Allocate memory that will be discarded when mortals are discarded.
113
114*/
115
116static void *
117malloc_temp(pTHX_ size_t size) {
3230a191
TC
118 void *result;
119 Newx(result, size, char);
120 SAVEFREEPV(result);
ebe9b189 121
3230a191 122 return result;
ebe9b189
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123}
124
0aaa8b4d
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125static void *
126calloc_temp(pTHX_ size_t size) {
3230a191
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127 void *result;
128 Newxz(result, size, char);
129 SAVEFREEPV(result);
0aaa8b4d
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130
131 return result;
132}
133
19e9591b 134/* for use with the T_AVARRAY typemap */
0aaa8b4d
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135#define doublePtr(size) ((double *)calloc_temp(aTHX_ sizeof(double) * (size)))
136#define SvDouble(sv, pname) (SvNV(sv))
137
138#define intPtr(size) ((int *)calloc_temp(aTHX_ sizeof(int) * (size)))
139#define SvInt(sv, pname) (SvIV(sv))
140
141#define i_img_dimPtr(size) ((i_img_dim *)calloc_temp(aTHX_ sizeof(i_img_dim) * (size)))
142#define SvI_img_dim(sv, pname) (SvIV(sv))
19e9591b 143
4615ad8d 144#define i_colorPtr(size) ((i_color *)calloc_temp(aTHX_ sizeof(i_color) * (size)))
0aaa8b4d
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145
146#define SvI_color(sv, pname) S_sv_to_i_color(aTHX_ sv, pname)
147
148static i_color
149S_sv_to_i_color(pTHX_ SV *sv, const char *pname) {
150 if (!sv_derived_from(sv, "Imager::Color")) {
b6565be6 151 croak("%s: not a color object", pname);
0aaa8b4d
TC
152 }
153 return *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
154}
19e9591b 155
b33c08f8
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156/* These functions are all shared - then comes platform dependant code */
157static int getstr(void *hv_t,char *key,char **store) {
b13a3ddb 158 dTHX;
b33c08f8
TC
159 SV** svpp;
160 HV* hv=(HV*)hv_t;
161
8d14daab 162 mm_log((1,"getstr(hv_t %p, key %s, store %p)\n",hv_t,key,store));
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TC
163
164 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
165
166 svpp=hv_fetch(hv, key, strlen(key), 0);
167 *store=SvPV(*svpp, PL_na );
168
169 return 1;
170}
171
172static int getint(void *hv_t,char *key,int *store) {
b13a3ddb 173 dTHX;
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TC
174 SV** svpp;
175 HV* hv=(HV*)hv_t;
176
8d14daab 177 mm_log((1,"getint(hv_t %p, key %s, store %p)\n",hv_t,key,store));
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TC
178
179 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
180
181 svpp=hv_fetch(hv, key, strlen(key), 0);
182 *store=(int)SvIV(*svpp);
183 return 1;
184}
185
186static int getdouble(void *hv_t,char* key,double *store) {
b13a3ddb 187 dTHX;
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TC
188 SV** svpp;
189 HV* hv=(HV*)hv_t;
190
8d14daab 191 mm_log((1,"getdouble(hv_t %p, key %s, store %p)\n",hv_t,key,store));
b33c08f8
TC
192
193 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
194 svpp=hv_fetch(hv, key, strlen(key), 0);
8d14daab 195 *store=(double)SvNV(*svpp);
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TC
196 return 1;
197}
198
199static int getvoid(void *hv_t,char* key,void **store) {
b13a3ddb 200 dTHX;
b33c08f8
TC
201 SV** svpp;
202 HV* hv=(HV*)hv_t;
203
8d14daab 204 mm_log((1,"getvoid(hv_t %p, key %s, store %p)\n",hv_t,key,store));
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TC
205
206 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
207
208 svpp=hv_fetch(hv, key, strlen(key), 0);
209 *store = INT2PTR(void*, SvIV(*svpp));
210
211 return 1;
212}
213
214static int getobj(void *hv_t,char *key,char *type,void **store) {
b13a3ddb 215 dTHX;
b33c08f8
TC
216 SV** svpp;
217 HV* hv=(HV*)hv_t;
218
8d14daab 219 mm_log((1,"getobj(hv_t %p, key %s,type %s, store %p)\n",hv_t,key,type,store));
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TC
220
221 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
222
223 svpp=hv_fetch(hv, key, strlen(key), 0);
224
225 if (sv_derived_from(*svpp,type)) {
226 IV tmp = SvIV((SV*)SvRV(*svpp));
227 *store = INT2PTR(void*, tmp);
228 } else {
229 mm_log((1,"getobj: key exists in hash but is not of correct type"));
230 return 0;
231 }
232
233 return 1;
234}
235
236UTIL_table_t i_UTIL_table={getstr,getint,getdouble,getvoid,getobj};
4dfa5522 237
a87997b2
TC
238static void
239free_buffer(void *p) {
240 myfree(p);
4dfa5522
AMH
241}
242
7f882a01 243
b33c08f8 244static void
bf1573f9 245i_log_entry(char *string, int level) {
b7506a07 246 mm_log((level, "%s", string));
7f882a01
AMH
247}
248
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TC
249static SV *
250make_i_color_sv(pTHX_ const i_color *c) {
251 SV *sv;
252 i_color *col = mymalloc(sizeof(i_color));
253 *col = *c;
254 sv = sv_newmortal();
255 sv_setref_pv(sv, "Imager::Color", (void *)col);
256
257 return sv;
258}
7f882a01 259
10461f9a
TC
260#define CBDATA_BUFSIZE 8192
261
262struct cbdata {
263 /* the SVs we use to call back to Perl */
264 SV *writecb;
265 SV *readcb;
266 SV *seekcb;
267 SV *closecb;
10461f9a
TC
268};
269
6d5c85a2
TC
270static ssize_t
271call_reader(struct cbdata *cbd, void *buf, size_t size,
272 size_t maxread) {
b13a3ddb 273 dTHX;
10461f9a
TC
274 int count;
275 int result;
276 SV *data;
277 dSP;
278
9d5ff8a6
TC
279 if (!SvOK(cbd->readcb)) {
280 mm_log((1, "read callback called but no readcb supplied\n"));
281 i_push_error(0, "read callback called but no readcb supplied");
10461f9a 282 return -1;
9d5ff8a6 283 }
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TC
284
285 ENTER;
286 SAVETMPS;
287 EXTEND(SP, 2);
288 PUSHMARK(SP);
289 PUSHs(sv_2mortal(newSViv(size)));
290 PUSHs(sv_2mortal(newSViv(maxread)));
291 PUTBACK;
292
293 count = perl_call_sv(cbd->readcb, G_SCALAR);
294
295 SPAGAIN;
296
297 if (count != 1)
298 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
299
300 data = POPs;
301
302 if (SvOK(data)) {
303 STRLEN len;
6d5c85a2 304 char *ptr = SvPVbyte(data, len);
10461f9a 305 if (len > maxread)
6d5c85a2
TC
306 croak("Too much data returned in reader callback (wanted %d, got %d, expected %d)",
307 (int)size, (int)len, (int)maxread);
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TC
308
309 memcpy(buf, ptr, len);
310 result = len;
311 }
312 else {
313 result = -1;
314 }
315
316 PUTBACK;
317 FREETMPS;
318 LEAVE;
319
320 return result;
321}
322
6d5c85a2
TC
323static off_t
324io_seeker(void *p, off_t offset, int whence) {
b13a3ddb 325 dTHX;
10461f9a
TC
326 struct cbdata *cbd = p;
327 int count;
328 off_t result;
329 dSP;
330
9d5ff8a6
TC
331 if (!SvOK(cbd->seekcb)) {
332 mm_log((1, "seek callback called but no seekcb supplied\n"));
333 i_push_error(0, "seek callback called but no seekcb supplied");
10461f9a 334 return -1;
9d5ff8a6 335 }
10461f9a 336
10461f9a
TC
337 ENTER;
338 SAVETMPS;
339 EXTEND(SP, 2);
340 PUSHMARK(SP);
341 PUSHs(sv_2mortal(newSViv(offset)));
342 PUSHs(sv_2mortal(newSViv(whence)));
343 PUTBACK;
344
345 count = perl_call_sv(cbd->seekcb, G_SCALAR);
346
347 SPAGAIN;
348
349 if (count != 1)
350 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
351
352 result = POPi;
353
354 PUTBACK;
355 FREETMPS;
356 LEAVE;
357
358 return result;
359}
360
6d5c85a2
TC
361static ssize_t
362io_writer(void *p, void const *data, size_t size) {
b13a3ddb 363 dTHX;
10461f9a 364 struct cbdata *cbd = p;
6d5c85a2
TC
365 I32 count;
366 SV *sv;
367 dSP;
368 bool success;
10461f9a 369
9d5ff8a6
TC
370 if (!SvOK(cbd->writecb)) {
371 mm_log((1, "write callback called but no writecb supplied\n"));
372 i_push_error(0, "write callback called but no writecb supplied");
6d5c85a2 373 return -1;
9d5ff8a6 374 }
6d5c85a2
TC
375
376 ENTER;
377 SAVETMPS;
378 EXTEND(SP, 1);
379 PUSHMARK(SP);
380 PUSHs(sv_2mortal(newSVpv((char *)data, size)));
381 PUTBACK;
382
383 count = perl_call_sv(cbd->writecb, G_SCALAR);
384
385 SPAGAIN;
386 if (count != 1)
387 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
388
389 sv = POPs;
390 success = SvTRUE(sv);
391
392
393 PUTBACK;
394 FREETMPS;
395 LEAVE;
396
397 return success ? size : -1;
10461f9a
TC
398}
399
1f6c1c10
TC
400static ssize_t
401io_reader(void *p, void *data, size_t size) {
10461f9a 402 struct cbdata *cbd = p;
10461f9a 403
6d5c85a2 404 return call_reader(cbd, data, size, size);
10461f9a
TC
405}
406
2b405c9e 407static int io_closer(void *p) {
b13a3ddb 408 dTHX;
10461f9a 409 struct cbdata *cbd = p;
6d5c85a2 410 int success = 1;
10461f9a
TC
411
412 if (SvOK(cbd->closecb)) {
413 dSP;
6d5c85a2 414 I32 count;
10461f9a
TC
415
416 ENTER;
417 SAVETMPS;
418 PUSHMARK(SP);
419 PUTBACK;
420
6d5c85a2 421 count = perl_call_sv(cbd->closecb, G_SCALAR);
10461f9a
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422
423 SPAGAIN;
6d5c85a2 424
98747309
TC
425 if (count) {
426 SV *sv = POPs;
427 success = SvTRUE(sv);
428 }
429 else
430 success = 0;
6d5c85a2 431
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TC
432 PUTBACK;
433 FREETMPS;
434 LEAVE;
435 }
2b405c9e 436
6d5c85a2 437 return success ? 0 : -1;
10461f9a
TC
438}
439
440static void io_destroyer(void *p) {
b13a3ddb 441 dTHX;
10461f9a
TC
442 struct cbdata *cbd = p;
443
444 SvREFCNT_dec(cbd->writecb);
445 SvREFCNT_dec(cbd->readcb);
446 SvREFCNT_dec(cbd->seekcb);
447 SvREFCNT_dec(cbd->closecb);
a4168bea 448 myfree(cbd);
10461f9a
TC
449}
450
a87997b2
TC
451static bool
452im_SvREFSCALAR(SV *sv) {
453 svtype type = SvTYPE(sv);
ea87cee9
TC
454
455 switch (type) {
456 case SVt_PV:
457 case SVt_PVIV:
458 case SVt_PVNV:
459 case SVt_PVMG:
460 case SVt_IV:
461 case SVt_NV:
462 case SVt_PVLV:
463#if PERL_VERSION > 10
464 case SVt_REGEXP:
465#endif
466 return 1;
467
468 default:
469 return 0;
470 }
471}
472
473static const char *
474describe_sv(SV *sv) {
475 if (SvOK(sv)) {
476 if (SvROK(sv)) {
477 svtype type = SvTYPE(SvRV(sv));
478 switch (type) {
479 case SVt_PVCV: return "CV";
480 case SVt_PVGV: return "GV";
481 case SVt_PVLV: return "LV";
482 default: return "some reference";
483 }
484 }
485 else {
486 return "non-reference scalar";
487 }
488 }
489 else {
490 return "undef";
491 }
a87997b2
TC
492}
493
6d5c85a2
TC
494static i_io_glue_t *
495do_io_new_buffer(pTHX_ SV *data_sv) {
496 const char *data;
a87997b2 497 char *data_copy;
6d5c85a2 498 STRLEN length;
a87997b2
TC
499 SV *sv;
500
501 SvGETMAGIC(data_sv);
502 if (SvROK(data_sv)) {
ea87cee9 503 if (im_SvREFSCALAR(SvRV(data_sv))) {
a87997b2
TC
504 sv = SvRV(data_sv);
505 }
506 else {
ea87cee9 507 i_push_errorf(0, "data is not a scalar or a reference to scalar");
a87997b2
TC
508 return NULL;
509 }
510 }
511 else {
512 sv = data_sv;
513 }
6d5c85a2 514
a87997b2
TC
515 /* previously this would keep the SV around, but this is unsafe in
516 many ways, so always copy the bytes */
517 data = SvPVbyte(sv, length);
518 data_copy = mymalloc(length);
519 memcpy(data_copy, data, length);
520 return io_new_buffer(data_copy, length, free_buffer, data_copy);
6d5c85a2
TC
521}
522
523static i_io_glue_t *
524do_io_new_cb(pTHX_ SV *writecb, SV *readcb, SV *seekcb, SV *closecb) {
525 struct cbdata *cbd;
526
527 cbd = mymalloc(sizeof(struct cbdata));
528 cbd->writecb = newSVsv(writecb);
529 cbd->readcb = newSVsv(readcb);
530 cbd->seekcb = newSVsv(seekcb);
531 cbd->closecb = newSVsv(closecb);
532
9d5ff8a6
TC
533 mm_log((1, "do_io_new_cb(writecb %p (%s), readcb %p (%s), seekcb %p (%s), closecb %p (%s))\n", writecb, describe_sv(writecb), readcb, describe_sv(readcb), seekcb, describe_sv(seekcb), closecb, describe_sv(closecb)));
534
6d5c85a2
TC
535 return io_new_cb(cbd, io_reader, io_writer, io_seeker, io_closer,
536 io_destroyer);
537}
538
02d1d628 539struct value_name {
a3b721bb 540 const char *name;
02d1d628
AMH
541 int value;
542};
a3b721bb
TC
543static int
544lookup_name(const struct value_name *names, int count, char *name, int def_value, int push_errors, const char *id, int *failed)
02d1d628
AMH
545{
546 int i;
a3b721bb
TC
547
548 if (push_errors)
549 *failed = 0;
550
02d1d628
AMH
551 for (i = 0; i < count; ++i)
552 if (strEQ(names[i].name, name))
553 return names[i].value;
554
a3b721bb
TC
555 if (push_errors) {
556 i_push_errorf(0, "unknown value '%s' for %s", name, id);
557 *failed = 1;
558 }
559
02d1d628
AMH
560 return def_value;
561}
a3b721bb 562
02d1d628
AMH
563static struct value_name transp_names[] =
564{
565 { "none", tr_none },
566 { "threshold", tr_threshold },
567 { "errdiff", tr_errdiff },
568 { "ordered", tr_ordered, },
569};
570
571static struct value_name make_color_names[] =
572{
573 { "none", mc_none, },
574 { "webmap", mc_web_map, },
575 { "addi", mc_addi, },
97c4effc 576 { "mediancut", mc_median_cut, },
9c106321
TC
577 { "mono", mc_mono, },
578 { "monochrome", mc_mono, },
5e9a7fbd
TC
579 { "gray", mc_gray, },
580 { "gray4", mc_gray4, },
581 { "gray16", mc_gray16, },
02d1d628
AMH
582};
583
584static struct value_name translate_names[] =
585{
02d1d628 586 { "giflib", pt_giflib, },
02d1d628
AMH
587 { "closest", pt_closest, },
588 { "perturb", pt_perturb, },
589 { "errdiff", pt_errdiff, },
590};
591
592static struct value_name errdiff_names[] =
593{
594 { "floyd", ed_floyd, },
595 { "jarvis", ed_jarvis, },
596 { "stucki", ed_stucki, },
597 { "custom", ed_custom, },
598};
599
600static struct value_name orddith_names[] =
601{
602 { "random", od_random, },
603 { "dot8", od_dot8, },
604 { "dot4", od_dot4, },
605 { "hline", od_hline, },
606 { "vline", od_vline, },
607 { "/line", od_slashline, },
608 { "slashline", od_slashline, },
609 { "\\line", od_backline, },
610 { "backline", od_backline, },
e7d4ea82 611 { "tiny", od_tiny, },
02d1d628
AMH
612 { "custom", od_custom, },
613};
614
615/* look through the hash for quantization options */
a3b721bb
TC
616static int
617ip_handle_quant_opts_low(pTHX_ i_quantize *quant, HV *hv, int push_errors)
02d1d628 618{
02d1d628
AMH
619 SV **sv;
620 int i;
621 STRLEN len;
622 char *str;
a3b721bb 623 int failed = 0;
02d1d628 624
46a04ceb
TC
625 quant->mc_colors = mymalloc(quant->mc_size * sizeof(i_color));
626
02d1d628
AMH
627 sv = hv_fetch(hv, "transp", 6, 0);
628 if (sv && *sv && (str = SvPV(*sv, len))) {
629 quant->transp =
630 lookup_name(transp_names, sizeof(transp_names)/sizeof(*transp_names),
a3b721bb
TC
631 str, tr_none, push_errors, "transp", &failed);
632 if (failed)
633 return 0;
02d1d628
AMH
634 if (quant->transp != tr_none) {
635 quant->tr_threshold = 127;
636 sv = hv_fetch(hv, "tr_threshold", 12, 0);
637 if (sv && *sv)
638 quant->tr_threshold = SvIV(*sv);
639 }
640 if (quant->transp == tr_errdiff) {
641 sv = hv_fetch(hv, "tr_errdiff", 10, 0);
642 if (sv && *sv && (str = SvPV(*sv, len)))
a3b721bb
TC
643 quant->tr_errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd, push_errors, "tr_errdiff", &failed);
644 if (failed)
645 return 0;
02d1d628
AMH
646 }
647 if (quant->transp == tr_ordered) {
e7d4ea82 648 quant->tr_orddith = od_tiny;
02d1d628 649 sv = hv_fetch(hv, "tr_orddith", 10, 0);
a3b721bb
TC
650 if (sv && *sv && (str = SvPV(*sv, len))) {
651 quant->tr_orddith = lookup_name(orddith_names, sizeof(orddith_names)/sizeof(*orddith_names), str, od_random, push_errors, "tr_orddith", &failed);
652 if (failed)
653 return 0;
654 }
02d1d628
AMH
655
656 if (quant->tr_orddith == od_custom) {
657 sv = hv_fetch(hv, "tr_map", 6, 0);
658 if (sv && *sv && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
659 AV *av = (AV*)SvRV(*sv);
660 len = av_len(av) + 1;
661 if (len > sizeof(quant->tr_custom))
662 len = sizeof(quant->tr_custom);
663 for (i = 0; i < len; ++i) {
664 SV **sv2 = av_fetch(av, i, 0);
665 if (sv2 && *sv2) {
666 quant->tr_custom[i] = SvIV(*sv2);
667 }
668 }
669 while (i < sizeof(quant->tr_custom))
670 quant->tr_custom[i++] = 0;
671 }
672 }
673 }
674 }
0348fe07 675 quant->make_colors = mc_median_cut;
02d1d628
AMH
676 sv = hv_fetch(hv, "make_colors", 11, 0);
677 if (sv && *sv && (str = SvPV(*sv, len))) {
678 quant->make_colors =
a3b721bb
TC
679 lookup_name(make_color_names, sizeof(make_color_names)/sizeof(*make_color_names), str, mc_median_cut, push_errors, "make_colors", &failed);
680 if (failed)
681 return 0;
02d1d628
AMH
682 }
683 sv = hv_fetch(hv, "colors", 6, 0);
684 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
685 /* needs to be an array of Imager::Color
686 note that the caller allocates the mc_color array and sets mc_size
687 to it's size */
688 AV *av = (AV *)SvRV(*sv);
689 quant->mc_count = av_len(av)+1;
690 if (quant->mc_count > quant->mc_size)
691 quant->mc_count = quant->mc_size;
692 for (i = 0; i < quant->mc_count; ++i) {
693 SV **sv1 = av_fetch(av, i, 0);
694 if (sv1 && *sv1 && SvROK(*sv1) && sv_derived_from(*sv1, "Imager::Color")) {
4c4c2ffd 695 i_color *col = INT2PTR(i_color *, SvIV((SV*)SvRV(*sv1)));
02d1d628
AMH
696 quant->mc_colors[i] = *col;
697 }
a3b721bb
TC
698 else if (push_errors) {
699 i_push_errorf(0, "colors[%d] isn't an Imager::Color object", i);
700 return 0;
701 }
02d1d628
AMH
702 }
703 }
704 sv = hv_fetch(hv, "max_colors", 10, 0);
705 if (sv && *sv) {
706 i = SvIV(*sv);
707 if (i <= quant->mc_size && i >= quant->mc_count)
708 quant->mc_size = i;
709 }
710
711 quant->translate = pt_closest;
712 sv = hv_fetch(hv, "translate", 9, 0);
713 if (sv && *sv && (str = SvPV(*sv, len))) {
a3b721bb
TC
714 quant->translate = lookup_name(translate_names, sizeof(translate_names)/sizeof(*translate_names), str, pt_closest, push_errors, "translate", &failed);
715 if (failed)
716 return 0;
02d1d628
AMH
717 }
718 sv = hv_fetch(hv, "errdiff", 7, 0);
719 if (sv && *sv && (str = SvPV(*sv, len))) {
a3b721bb
TC
720 quant->errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd, push_errors, "errdiff", &failed);
721 if (failed)
722 return 0;
02d1d628
AMH
723 }
724 if (quant->translate == pt_errdiff && quant->errdiff == ed_custom) {
725 /* get the error diffusion map */
726 sv = hv_fetch(hv, "errdiff_width", 13, 0);
727 if (sv && *sv)
728 quant->ed_width = SvIV(*sv);
729 sv = hv_fetch(hv, "errdiff_height", 14, 0);
730 if (sv && *sv)
731 quant->ed_height = SvIV(*sv);
732 sv = hv_fetch(hv, "errdiff_orig", 12, 0);
733 if (sv && *sv)
734 quant->ed_orig = SvIV(*sv);
735 if (quant->ed_width > 0 && quant->ed_height > 0) {
736 int sum = 0;
737 quant->ed_map = mymalloc(sizeof(int)*quant->ed_width*quant->ed_height);
738 sv = hv_fetch(hv, "errdiff_map", 11, 0);
739 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
740 AV *av = (AV*)SvRV(*sv);
741 len = av_len(av) + 1;
742 if (len > quant->ed_width * quant->ed_height)
743 len = quant->ed_width * quant->ed_height;
744 for (i = 0; i < len; ++i) {
745 SV **sv2 = av_fetch(av, i, 0);
746 if (sv2 && *sv2) {
a3b721bb
TC
747 IV iv = SvIV(*sv2);
748 if (push_errors && iv < 0) {
749 i_push_errorf(0, "errdiff_map values must be non-negative, errdiff[%d] is negative", i);
750 return 0;
751 }
752 quant->ed_map[i] = iv;
02d1d628
AMH
753 sum += quant->ed_map[i];
754 }
755 }
756 }
757 if (!sum) {
758 /* broken map */
759 myfree(quant->ed_map);
760 quant->ed_map = 0;
761 quant->errdiff = ed_floyd;
a3b721bb
TC
762 if (push_errors) {
763 i_push_error(0, "error diffusion map must contain some non-zero values");
764 return 0;
765 }
02d1d628
AMH
766 }
767 }
768 }
769 sv = hv_fetch(hv, "perturb", 7, 0);
770 if (sv && *sv)
771 quant->perturb = SvIV(*sv);
a3b721bb
TC
772
773 return 1;
02d1d628
AMH
774}
775
ec6d8908
TC
776static void
777ip_cleanup_quant_opts(pTHX_ i_quantize *quant) {
46a04ceb
TC
778 myfree(quant->mc_colors);
779 if (quant->ed_map)
780 myfree(quant->ed_map);
781}
782
a3b721bb
TC
783static int
784ip_handle_quant_opts2(pTHX_ i_quantize *quant, HV *hv) {
785 int result = ip_handle_quant_opts_low(aTHX_ quant, hv, 1);
786 if (!result) {
787 ip_cleanup_quant_opts(aTHX_ quant);
788 }
789 return result;
790}
791
792static void
793ip_handle_quant_opts(pTHX_ i_quantize *quant, HV *hv) {
794 (void)ip_handle_quant_opts_low(aTHX_ quant, hv, 0);
795}
796
02d1d628 797/* copies the color map from the hv into the colors member of the HV */
ec6d8908
TC
798static void
799ip_copy_colors_back(pTHX_ HV *hv, i_quantize *quant) {
02d1d628
AMH
800 SV **sv;
801 AV *av;
802 int i;
803 SV *work;
804
805 sv = hv_fetch(hv, "colors", 6, 0);
806 if (!sv || !*sv || !SvROK(*sv) || SvTYPE(SvRV(*sv)) != SVt_PVAV) {
5c0d0ddf
TC
807 /* nothing to do */
808 return;
02d1d628 809 }
5c0d0ddf
TC
810
811 av = (AV *)SvRV(*sv);
812 av_clear(av);
02d1d628
AMH
813 av_extend(av, quant->mc_count+1);
814 for (i = 0; i < quant->mc_count; ++i) {
815 i_color *in = quant->mc_colors+i;
816 Imager__Color c = ICL_new_internal(in->rgb.r, in->rgb.g, in->rgb.b, 255);
817 work = sv_newmortal();
818 sv_setref_pv(work, "Imager::Color", (void *)c);
819 SvREFCNT_inc(work);
5c0d0ddf 820 av_push(av, work);
02d1d628
AMH
821 }
822}
823
0d80f37e
TC
824static struct value_name
825poly_fill_mode_names[] =
826{
827 { "evenodd", i_pfm_evenodd },
828 { "nonzero", i_pfm_nonzero }
829};
830
831static i_poly_fill_mode_t
832S_get_poly_fill_mode(pTHX_ SV *sv) {
833 if (looks_like_number(sv)) {
834 IV work = SvIV(sv);
835 if (work < (IV)i_pfm_evenodd || work > (IV)i_pfm_nonzero)
836 work = (IV)i_pfm_evenodd;
837 return (i_poly_fill_mode_t)work;
838 }
839 else {
840 return (i_poly_fill_mode_t)lookup_name
841 (poly_fill_mode_names, ARRAY_COUNT(poly_fill_mode_names),
a3b721bb 842 SvPV_nolen(sv), i_pfm_evenodd, 0, NULL, NULL);
0d80f37e
TC
843 }
844}
845
846static void
847S_get_polygon_list(pTHX_ i_polygon_list *polys, SV *sv) {
848 AV *av;
849 int i;
850 i_polygon_t *s;
851
852 SvGETMAGIC(sv);
853 if (!SvOK(sv) || !SvROK(sv) || SvTYPE(SvRV(sv)) != SVt_PVAV)
854 croak("polys must be an arrayref");
855
856 av = (AV*)SvRV(sv);
857 polys->count = av_len(av) + 1;
858 if (polys->count < 1)
859 croak("polypolygon: no polygons provided");
860 s = malloc_temp(aTHX_ sizeof(i_polygon_t) * polys->count);
861 for (i = 0; i < polys->count; ++i) {
862 SV **poly_sv = av_fetch(av, i, 0);
863 AV *poly_av;
864 SV **x_sv, **y_sv;
865 AV *x_av, *y_av;
866 double *x_data, *y_data;
867 ssize_t j;
868 ssize_t point_count;
869
870 if (!poly_sv)
871 croak("poly_polygon: nothing found for polygon %d", i);
872 /* needs to be another av */
873 SvGETMAGIC(*poly_sv);
874 if (!SvOK(*poly_sv) || !SvROK(*poly_sv) || SvTYPE(SvRV(*poly_sv)) != SVt_PVAV)
875 croak("poly_polygon: polygon %d isn't an arrayref", i);
876 poly_av = (AV*)SvRV(*poly_sv);
877 /* with two elements */
878 if (av_len(poly_av) != 1)
879 croak("poly_polygon: polygon %d should contain two arrays", i);
880 x_sv = av_fetch(poly_av, 0, 0);
881 y_sv = av_fetch(poly_av, 1, 0);
882 if (!x_sv)
883 croak("poly_polygon: polygon %d has no x elements", i);
884 if (!y_sv)
885 croak("poly_polygon: polygon %d has no y elements", i);
886 SvGETMAGIC(*x_sv);
887 SvGETMAGIC(*y_sv);
888 if (!SvOK(*x_sv) || !SvROK(*x_sv) || SvTYPE(SvRV(*x_sv)) != SVt_PVAV)
889 croak("poly_polygon: polygon %d x elements isn't an array", i);
890 if (!SvOK(*y_sv) || !SvROK(*y_sv) || SvTYPE(SvRV(*y_sv)) != SVt_PVAV)
891 croak("poly_polygon: polygon %d y elements isn't an array", i);
892 x_av = (AV*)SvRV(*x_sv);
893 y_av = (AV*)SvRV(*y_sv);
894 if (av_len(x_av) != av_len(y_av))
895 croak("poly_polygon: polygon %d x and y arrays different lengths", i+1);
896 point_count = av_len(x_av)+1;
897 x_data = malloc_temp(aTHX_ sizeof(double) * point_count * 2);
898 y_data = x_data + point_count;
899
900 for (j = 0; j < point_count; ++j) {
901 SV **x_item_sv = av_fetch(x_av, j, 0);
902 SV **y_item_sv = av_fetch(y_av, j, 0);
903 x_data[j] = x_item_sv ? SvNV(*x_item_sv) : 0;
904 y_data[j] = y_item_sv ? SvNV(*y_item_sv) : 0;
905 }
906 s[i].x = x_data;
907 s[i].y = y_data;
908 s[i].count = point_count;
909 }
910 polys->polygons = s;
911}
912
f1ac5027 913/* loads the segments of a fountain fill into an array */
b33c08f8 914static i_fountain_seg *
b13a3ddb 915load_fount_segs(pTHX_ AV *asegs, int *count) {
f1ac5027
TC
916 /* Each element of segs must contain:
917 [ start, middle, end, c0, c1, segtype, colortrans ]
918 start, middle, end are doubles from 0 to 1
919 c0, c1 are Imager::Color::Float or Imager::Color objects
920 segtype, colortrans are ints
921 */
922 int i, j;
923 AV *aseg;
f1ac5027
TC
924 i_fountain_seg *segs;
925 double work[3];
926 int worki[2];
927
928 *count = av_len(asegs)+1;
929 if (*count < 1)
930 croak("i_fountain must have at least one segment");
931 segs = mymalloc(sizeof(i_fountain_seg) * *count);
932 for(i = 0; i < *count; i++) {
933 SV **sv1 = av_fetch(asegs, i, 0);
934 if (!sv1 || !*sv1 || !SvROK(*sv1)
935 || SvTYPE(SvRV(*sv1)) != SVt_PVAV) {
936 myfree(segs);
937 croak("i_fountain: segs must be an arrayref of arrayrefs");
938 }
939 aseg = (AV *)SvRV(*sv1);
940 if (av_len(aseg) != 7-1) {
941 myfree(segs);
942 croak("i_fountain: a segment must have 7 members");
943 }
944 for (j = 0; j < 3; ++j) {
945 SV **sv2 = av_fetch(aseg, j, 0);
946 if (!sv2 || !*sv2) {
947 myfree(segs);
948 croak("i_fountain: XS error");
949 }
950 work[j] = SvNV(*sv2);
951 }
952 segs[i].start = work[0];
953 segs[i].middle = work[1];
954 segs[i].end = work[2];
955 for (j = 0; j < 2; ++j) {
956 SV **sv3 = av_fetch(aseg, 3+j, 0);
957 if (!sv3 || !*sv3 || !SvROK(*sv3) ||
958 (!sv_derived_from(*sv3, "Imager::Color")
959 && !sv_derived_from(*sv3, "Imager::Color::Float"))) {
960 myfree(segs);
961 croak("i_fountain: segs must contain colors in elements 3 and 4");
962 }
963 if (sv_derived_from(*sv3, "Imager::Color::Float")) {
4c4c2ffd 964 segs[i].c[j] = *INT2PTR(i_fcolor *, SvIV((SV *)SvRV(*sv3)));
f1ac5027
TC
965 }
966 else {
4c4c2ffd 967 i_color c = *INT2PTR(i_color *, SvIV((SV *)SvRV(*sv3)));
f1ac5027
TC
968 int ch;
969 for (ch = 0; ch < MAXCHANNELS; ++ch) {
970 segs[i].c[j].channel[ch] = c.channel[ch] / 255.0;
971 }
972 }
973 }
974 for (j = 0; j < 2; ++j) {
975 SV **sv2 = av_fetch(aseg, j+5, 0);
976 if (!sv2 || !*sv2) {
977 myfree(segs);
978 croak("i_fountain: XS error");
979 }
980 worki[j] = SvIV(*sv2);
981 }
982 segs[i].type = worki[0];
983 segs[i].color = worki[1];
984 }
985
986 return segs;
987}
988
4cda4e76
TC
989/* validates the indexes supplied to i_ppal
990
991i_ppal() doesn't do that for speed, but I'm not comfortable doing that
992for calls from perl.
993
994*/
995static void
996validate_i_ppal(i_img *im, i_palidx const *indexes, int count) {
997 int color_count = i_colorcount(im);
998 int i;
999
1000 if (color_count == -1)
1001 croak("i_plin() called on direct color image");
1002
1003 for (i = 0; i < count; ++i) {
1004 if (indexes[i] >= color_count) {
1005 croak("i_plin() called with out of range color index %d (max %d)",
1006 indexes[i], color_count-1);
1007 }
1008 }
1009}
1010
faa9b3e7
TC
1011/* I don't think ICLF_* names belong at the C interface
1012 this makes the XS code think we have them, to let us avoid
1013 putting function bodies in the XS code
1014*/
1015#define ICLF_new_internal(r, g, b, a) i_fcolor_new((r), (g), (b), (a))
1016#define ICLF_DESTROY(cl) i_fcolor_destroy(cl)
1017
10ea52a3
TC
1018#ifdef IMAGER_LOG
1019#define i_log_enabled() 1
1020#else
1021#define i_log_enabled() 0
1022#endif
1023
a8652edf
TC
1024#if i_int_hlines_testing()
1025
1026typedef i_int_hlines *Imager__Internal__Hlines;
1027
1028static i_int_hlines *
8d14daab 1029i_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
1030 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
1031 i_int_init_hlines(result, start_y, count_y, start_x, count_x);
1032
1033 return result;
1034}
1035
1036static i_int_hlines *
1037i_int_hlines_new_img(i_img *im) {
1038 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
1039 i_int_init_hlines_img(result, im);
1040
1041 return result;
1042}
1043
1044static void
1045i_int_hlines_DESTROY(i_int_hlines *hlines) {
1046 i_int_hlines_destroy(hlines);
1047 myfree(hlines);
1048}
1049
ffddd407
TC
1050#define i_int_hlines_CLONE_SKIP(cls) 1
1051
a8652edf
TC
1052static int seg_compare(const void *vleft, const void *vright) {
1053 const i_int_hline_seg *left = vleft;
1054 const i_int_hline_seg *right = vright;
1055
1056 return left->minx - right->minx;
1057}
1058
1059static SV *
1060i_int_hlines_dump(i_int_hlines *hlines) {
b13a3ddb 1061 dTHX;
8d14daab
TC
1062 SV *dump = newSVpvf("start_y: %" i_DF " limit_y: %" i_DF " start_x: %" i_DF " limit_x: %" i_DF"\n",
1063 i_DFc(hlines->start_y), i_DFc(hlines->limit_y), i_DFc(hlines->start_x), i_DFc(hlines->limit_x));
1064 i_img_dim y;
a8652edf
TC
1065
1066 for (y = hlines->start_y; y < hlines->limit_y; ++y) {
1067 i_int_hline_entry *entry = hlines->entries[y-hlines->start_y];
1068 if (entry) {
1069 int i;
1070 /* sort the segments, if any */
1071 if (entry->count)
1072 qsort(entry->segs, entry->count, sizeof(i_int_hline_seg), seg_compare);
1073
8d14daab 1074 sv_catpvf(dump, " %" i_DF " (%" i_DF "):", i_DFc(y), i_DFc(entry->count));
a8652edf 1075 for (i = 0; i < entry->count; ++i) {
8d14daab
TC
1076 sv_catpvf(dump, " [%" i_DF ", %" i_DF ")", i_DFc(entry->segs[i].minx),
1077 i_DFc(entry->segs[i].x_limit));
a8652edf
TC
1078 }
1079 sv_catpv(dump, "\n");
1080 }
1081 }
1082
1083 return dump;
1084}
1085
1086#endif
1087
8d14daab
TC
1088static off_t
1089i_sv_off_t(pTHX_ SV *sv) {
1090#if LSEEKSIZE > IVSIZE
1091 return (off_t)SvNV(sv);
1092#else
1093 return (off_t)SvIV(sv);
1094#endif
1095}
1096
1097static SV *
1098i_new_sv_off_t(pTHX_ off_t off) {
1099#if LSEEKSIZE > IVSIZE
1100 return newSVnv(off);
1101#else
1102 return newSViv(off);
1103#endif
1104}
1105
ec6d8908
TC
1106static im_pl_ext_funcs im_perl_funcs =
1107{
1108 IMAGER_PL_API_VERSION,
1109 IMAGER_PL_API_LEVEL,
1110 ip_handle_quant_opts,
1111 ip_cleanup_quant_opts,
a3b721bb
TC
1112 ip_copy_colors_back,
1113 ip_handle_quant_opts2
ec6d8908
TC
1114};
1115
1116#define PERL_PL_SET_GLOBAL_CALLBACKS \
1117 sv_setiv(get_sv(PERL_PL_FUNCTION_TABLE_NAME, 1), PTR2IV(&im_perl_funcs));
1118
bdd4c63b
TC
1119#define IIM_new i_img_8_new
1120#define IIM_DESTROY i_img_destroy
42505e61 1121typedef int SysRet;
bdd4c63b 1122
f7450478
TC
1123#ifdef IMEXIF_ENABLE
1124#define i_exif_enabled() 1
1125#else
1126#define i_exif_enabled() 0
1127#endif
1128
d16420e9 1129/* trying to use more C style names, map them here */
eda1622c 1130#define i_io_DESTROY(ig) io_glue_destroy(ig)
d16420e9 1131
3b000586
TC
1132#define i_img_get_width(im) ((im)->xsize)
1133#define i_img_get_height(im) ((im)->ysize)
1134
4498c8bd
TC
1135#define i_img_epsilonf() (DBL_EPSILON * 4)
1136
6d5c85a2
TC
1137/* avoid some xsubpp strangeness */
1138#define NEWLINE '\n'
1139
02d1d628
AMH
1140MODULE = Imager PACKAGE = Imager::Color PREFIX = ICL_
1141
1142Imager::Color
1143ICL_new_internal(r,g,b,a)
1144 unsigned char r
1145 unsigned char g
1146 unsigned char b
1147 unsigned char a
1148
1149void
1150ICL_DESTROY(cl)
1151 Imager::Color cl
1152
1153
29106a11 1154void
02d1d628
AMH
1155ICL_set_internal(cl,r,g,b,a)
1156 Imager::Color cl
1157 unsigned char r
1158 unsigned char g
1159 unsigned char b
1160 unsigned char a
29106a11 1161 PPCODE:
b7346865
TC
1162 cl->rgba.r = r;
1163 cl->rgba.g = g;
1164 cl->rgba.b = b;
1165 cl->rgba.a = a;
29106a11
TC
1166 EXTEND(SP, 1);
1167 PUSHs(ST(0));
02d1d628
AMH
1168
1169void
1170ICL_info(cl)
1171 Imager::Color cl
1172
1173
1174void
1175ICL_rgba(cl)
1176 Imager::Color cl
1177 PPCODE:
1178 EXTEND(SP, 4);
b482243a
TC
1179 PUSHs(sv_2mortal(newSViv(cl->rgba.r)));
1180 PUSHs(sv_2mortal(newSViv(cl->rgba.g)));
1181 PUSHs(sv_2mortal(newSViv(cl->rgba.b)));
1182 PUSHs(sv_2mortal(newSViv(cl->rgba.a)));
02d1d628 1183
efdc2568
TC
1184Imager::Color
1185i_hsv_to_rgb(c)
1186 Imager::Color c
1187 CODE:
1188 RETVAL = mymalloc(sizeof(i_color));
1189 *RETVAL = *c;
1190 i_hsv_to_rgb(RETVAL);
1191 OUTPUT:
1192 RETVAL
1193
1194Imager::Color
1195i_rgb_to_hsv(c)
1196 Imager::Color c
1197 CODE:
1198 RETVAL = mymalloc(sizeof(i_color));
1199 *RETVAL = *c;
1200 i_rgb_to_hsv(RETVAL);
1201 OUTPUT:
1202 RETVAL
1203
02d1d628
AMH
1204
1205
faa9b3e7 1206MODULE = Imager PACKAGE = Imager::Color::Float PREFIX=ICLF_
02d1d628 1207
faa9b3e7
TC
1208Imager::Color::Float
1209ICLF_new_internal(r, g, b, a)
1210 double r
1211 double g
1212 double b
1213 double a
1214
1215void
1216ICLF_DESTROY(cl)
1217 Imager::Color::Float cl
02d1d628 1218
faa9b3e7
TC
1219void
1220ICLF_rgba(cl)
1221 Imager::Color::Float cl
1222 PREINIT:
1223 int ch;
1224 PPCODE:
1225 EXTEND(SP, MAXCHANNELS);
1226 for (ch = 0; ch < MAXCHANNELS; ++ch) {
1227 /* printf("%d: %g\n", ch, cl->channel[ch]); */
1228 PUSHs(sv_2mortal(newSVnv(cl->channel[ch])));
1229 }
1230
1231void
1232ICLF_set_internal(cl,r,g,b,a)
1233 Imager::Color::Float cl
1234 double r
1235 double g
1236 double b
1237 double a
1238 PPCODE:
1239 cl->rgba.r = r;
1240 cl->rgba.g = g;
1241 cl->rgba.b = b;
1242 cl->rgba.a = a;
1243 EXTEND(SP, 1);
1244 PUSHs(ST(0));
02d1d628 1245
efdc2568
TC
1246Imager::Color::Float
1247i_hsv_to_rgb(c)
1248 Imager::Color::Float c
1249 CODE:
1250 RETVAL = mymalloc(sizeof(i_fcolor));
1251 *RETVAL = *c;
1252 i_hsv_to_rgbf(RETVAL);
1253 OUTPUT:
1254 RETVAL
1255
1256Imager::Color::Float
1257i_rgb_to_hsv(c)
1258 Imager::Color::Float c
1259 CODE:
1260 RETVAL = mymalloc(sizeof(i_fcolor));
1261 *RETVAL = *c;
1262 i_rgb_to_hsvf(RETVAL);
1263 OUTPUT:
1264 RETVAL
efdc2568 1265
02d1d628
AMH
1266MODULE = Imager PACKAGE = Imager::ImgRaw PREFIX = IIM_
1267
1268Imager::ImgRaw
1269IIM_new(x,y,ch)
8d14daab
TC
1270 i_img_dim x
1271 i_img_dim y
02d1d628
AMH
1272 int ch
1273
1274void
1275IIM_DESTROY(im)
1276 Imager::ImgRaw im
1277
1278
1279
1280MODULE = Imager PACKAGE = Imager
1281
1282PROTOTYPES: ENABLE
1283
1284
1285Imager::IO
1286io_new_fd(fd)
1287 int fd
1288
1289Imager::IO
1290io_new_bufchain()
1291
1292
4dfa5522 1293Imager::IO
6d5c85a2
TC
1294io_new_buffer(data_sv)
1295 SV *data_sv
4dfa5522 1296 CODE:
a87997b2 1297 i_clear_error();
6d5c85a2 1298 RETVAL = do_io_new_buffer(aTHX_ data_sv);
a87997b2
TC
1299 if (!RETVAL)
1300 XSRETURN(0);
4dfa5522
AMH
1301 OUTPUT:
1302 RETVAL
10461f9a
TC
1303
1304Imager::IO
1305io_new_cb(writecb, readcb, seekcb, closecb, maxwrite = CBDATA_BUFSIZE)
1306 SV *writecb;
1307 SV *readcb;
1308 SV *seekcb;
1309 SV *closecb;
10461f9a 1310 CODE:
6d5c85a2 1311 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
10461f9a
TC
1312 OUTPUT:
1313 RETVAL
4dfa5522 1314
6d5c85a2 1315SV *
02d1d628
AMH
1316io_slurp(ig)
1317 Imager::IO ig
1318 PREINIT:
1319 unsigned char* data;
4dfa5522 1320 size_t tlength;
6d5c85a2 1321 CODE:
02d1d628
AMH
1322 data = NULL;
1323 tlength = io_slurp(ig, &data);
6d5c85a2 1324 RETVAL = newSVpv((char *)data,tlength);
02d1d628 1325 myfree(data);
6d5c85a2
TC
1326 OUTPUT:
1327 RETVAL
02d1d628
AMH
1328
1329
77157728
TC
1330undef_int
1331i_set_image_file_limits(width, height, bytes)
8d14daab
TC
1332 i_img_dim width
1333 i_img_dim height
1334 size_t bytes
77157728
TC
1335
1336void
1337i_get_image_file_limits()
1338 PREINIT:
8d14daab
TC
1339 i_img_dim width, height;
1340 size_t bytes;
77157728
TC
1341 PPCODE:
1342 if (i_get_image_file_limits(&width, &height, &bytes)) {
1343 EXTEND(SP, 3);
1344 PUSHs(sv_2mortal(newSViv(width)));
1345 PUSHs(sv_2mortal(newSViv(height)));
8d14daab 1346 PUSHs(sv_2mortal(newSVuv(bytes)));
77157728
TC
1347 }
1348
e1558ffe
TC
1349bool
1350i_int_check_image_file_limits(width, height, channels, sample_size)
1351 i_img_dim width
1352 i_img_dim height
1353 int channels
1354 size_t sample_size
1355 PROTOTYPE: DISABLE
1356
6d5c85a2
TC
1357MODULE = Imager PACKAGE = Imager::IO PREFIX = io_
1358
1359Imager::IO
1360io_new_fd(class, fd)
1361 int fd
1362 CODE:
1363 RETVAL = io_new_fd(fd);
1364 OUTPUT:
1365 RETVAL
1366
1367Imager::IO
1368io_new_buffer(class, data_sv)
1369 SV *data_sv
1370 CODE:
a87997b2 1371 i_clear_error();
6d5c85a2 1372 RETVAL = do_io_new_buffer(aTHX_ data_sv);
a87997b2
TC
1373 if (!RETVAL)
1374 XSRETURN(0);
6d5c85a2
TC
1375 OUTPUT:
1376 RETVAL
1377
1378Imager::IO
1379io_new_cb(class, writecb, readcb, seekcb, closecb)
1380 SV *writecb;
1381 SV *readcb;
1382 SV *seekcb;
1383 SV *closecb;
1384 CODE:
1385 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
1386 OUTPUT:
1387 RETVAL
1388
1389Imager::IO
1390io_new_bufchain(class)
1391 CODE:
1392 RETVAL = io_new_bufchain();
1393 OUTPUT:
1394 RETVAL
1395
52d990d6
TC
1396Imager::IO
1397io__new_perlio(class, io)
1398 PerlIO *io
1399 CODE:
1400 RETVAL = im_io_new_perlio(aTHX_ io);
1401 OUTPUT:
1402 RETVAL
1403
6d5c85a2
TC
1404SV *
1405io_slurp(class, ig)
1406 Imager::IO ig
1407 PREINIT:
1408 unsigned char* data;
1409 size_t tlength;
1410 CODE:
1411 data = NULL;
1412 tlength = io_slurp(ig, &data);
1413 RETVAL = newSVpv((char *)data,tlength);
1414 myfree(data);
1415 OUTPUT:
1416 RETVAL
1417
eda1622c
TC
1418MODULE = Imager PACKAGE = Imager::IO PREFIX = i_io_
1419
6d5c85a2
TC
1420IV
1421i_io_raw_write(ig, data_sv)
eda1622c
TC
1422 Imager::IO ig
1423 SV *data_sv
1424 PREINIT:
1425 void *data;
1426 STRLEN size;
1427 CODE:
40a88898 1428 data = SvPVbyte(data_sv, size);
6d5c85a2 1429 RETVAL = i_io_raw_write(ig, data, size);
eda1622c
TC
1430 OUTPUT:
1431 RETVAL
1432
1f6c1c10 1433void
6d5c85a2 1434i_io_raw_read(ig, buffer_sv, size)
eda1622c
TC
1435 Imager::IO ig
1436 SV *buffer_sv
8d14daab 1437 IV size
eda1622c
TC
1438 PREINIT:
1439 void *buffer;
8d14daab 1440 ssize_t result;
1f6c1c10
TC
1441 PPCODE:
1442 if (size <= 0)
6d5c85a2 1443 croak("size negative in call to i_io_raw_read()");
d1442cc4
TC
1444 /* prevent an undefined value warning if they supplied an
1445 undef buffer.
1446 Orginally conditional on !SvOK(), but this will prevent the
1447 downgrade from croaking */
1448 sv_setpvn(buffer_sv, "", 0);
1449#ifdef SvUTF8
1450 if (SvUTF8(buffer_sv))
1451 sv_utf8_downgrade(buffer_sv, FALSE);
1452#endif
eda1622c 1453 buffer = SvGROW(buffer_sv, size+1);
6d5c85a2 1454 result = i_io_raw_read(ig, buffer, size);
1f6c1c10
TC
1455 if (result >= 0) {
1456 SvCUR_set(buffer_sv, result);
1457 *SvEND(buffer_sv) = '\0';
1458 SvPOK_only(buffer_sv);
1459 EXTEND(SP, 1);
1460 PUSHs(sv_2mortal(newSViv(result)));
eda1622c 1461 }
1f6c1c10
TC
1462 ST(1) = buffer_sv;
1463 SvSETMAGIC(ST(1));
1464
1465void
6d5c85a2 1466i_io_raw_read2(ig, size)
1f6c1c10 1467 Imager::IO ig
8d14daab 1468 IV size
1f6c1c10
TC
1469 PREINIT:
1470 SV *buffer_sv;
1471 void *buffer;
8d14daab 1472 ssize_t result;
1f6c1c10
TC
1473 PPCODE:
1474 if (size <= 0)
1475 croak("size negative in call to i_io_read2()");
1476 buffer_sv = newSV(size);
1477 buffer = SvGROW(buffer_sv, size+1);
6d5c85a2 1478 result = i_io_raw_read(ig, buffer, size);
1f6c1c10 1479 if (result >= 0) {
eda1622c
TC
1480 SvCUR_set(buffer_sv, result);
1481 *SvEND(buffer_sv) = '\0';
1482 SvPOK_only(buffer_sv);
1f6c1c10
TC
1483 EXTEND(SP, 1);
1484 PUSHs(sv_2mortal(buffer_sv));
eda1622c 1485 }
1f6c1c10
TC
1486 else {
1487 /* discard it */
1488 SvREFCNT_dec(buffer_sv);
1489 }
eda1622c 1490
8d14daab 1491off_t
6d5c85a2 1492i_io_raw_seek(ig, position, whence)
eda1622c 1493 Imager::IO ig
8d14daab 1494 off_t position
eda1622c 1495 int whence
c3cc977e 1496
1f6c1c10 1497int
6d5c85a2 1498i_io_raw_close(ig)
eda1622c
TC
1499 Imager::IO ig
1500
1501void
1502i_io_DESTROY(ig)
c3cc977e
AMH
1503 Imager::IO ig
1504
ffddd407
TC
1505int
1506i_io_CLONE_SKIP(...)
1507 CODE:
8d14daab 1508 (void)items; /* avoid unused warning for XS variable */
ffddd407
TC
1509 RETVAL = 1;
1510 OUTPUT:
1511 RETVAL
1512
6d5c85a2
TC
1513int
1514i_io_getc(ig)
1515 Imager::IO ig
1516
1517int
1518i_io_putc(ig, c)
1519 Imager::IO ig
1520 int c
1521
1522int
1523i_io_close(ig)
1524 Imager::IO ig
1525
1526int
1527i_io_flush(ig)
1528 Imager::IO ig
1529
1530int
1531i_io_peekc(ig)
1532 Imager::IO ig
1533
1534int
1535i_io_seek(ig, off, whence)
1536 Imager::IO ig
1537 off_t off
1538 int whence
1539
1540void
1541i_io_peekn(ig, size)
1542 Imager::IO ig
1543 STRLEN size
1544 PREINIT:
1545 SV *buffer_sv;
1546 void *buffer;
1547 ssize_t result;
1548 PPCODE:
1549 buffer_sv = newSV(size+1);
1550 buffer = SvGROW(buffer_sv, size+1);
1551 result = i_io_peekn(ig, buffer, size);
1552 if (result >= 0) {
1553 SvCUR_set(buffer_sv, result);
1554 *SvEND(buffer_sv) = '\0';
1555 SvPOK_only(buffer_sv);
1556 EXTEND(SP, 1);
1557 PUSHs(sv_2mortal(buffer_sv));
1558 }
1559 else {
1560 /* discard it */
1561 SvREFCNT_dec(buffer_sv);
1562 }
1563
1564void
1565i_io_read(ig, buffer_sv, size)
1566 Imager::IO ig
1567 SV *buffer_sv
1568 IV size
1569 PREINIT:
1570 void *buffer;
1571 ssize_t result;
1572 PPCODE:
1573 if (size <= 0)
1574 croak("size negative in call to i_io_read()");
d1442cc4
TC
1575 /* prevent an undefined value warning if they supplied an
1576 undef buffer.
1577 Orginally conditional on !SvOK(), but this will prevent the
1578 downgrade from croaking */
1579 sv_setpvn(buffer_sv, "", 0);
1580#ifdef SvUTF8
1581 if (SvUTF8(buffer_sv))
1582 sv_utf8_downgrade(buffer_sv, FALSE);
1583#endif
6d5c85a2
TC
1584 buffer = SvGROW(buffer_sv, size+1);
1585 result = i_io_read(ig, buffer, size);
1586 if (result >= 0) {
1587 SvCUR_set(buffer_sv, result);
1588 *SvEND(buffer_sv) = '\0';
1589 SvPOK_only(buffer_sv);
1590 EXTEND(SP, 1);
1591 PUSHs(sv_2mortal(newSViv(result)));
1592 }
1593 ST(1) = buffer_sv;
1594 SvSETMAGIC(ST(1));
1595
1596void
1597i_io_read2(ig, size)
1598 Imager::IO ig
1599 STRLEN size
1600 PREINIT:
1601 SV *buffer_sv;
1602 void *buffer;
1603 ssize_t result;
1604 PPCODE:
1605 if (size == 0)
1606 croak("size zero in call to read2()");
1607 buffer_sv = newSV(size);
1608 buffer = SvGROW(buffer_sv, size+1);
1609 result = i_io_read(ig, buffer, size);
1610 if (result > 0) {
1611 SvCUR_set(buffer_sv, result);
1612 *SvEND(buffer_sv) = '\0';
1613 SvPOK_only(buffer_sv);
1614 EXTEND(SP, 1);
1615 PUSHs(sv_2mortal(buffer_sv));
1616 }
1617 else {
1618 /* discard it */
1619 SvREFCNT_dec(buffer_sv);
1620 }
1621
1622void
1623i_io_gets(ig, size = 8192, eol = NEWLINE)
1624 Imager::IO ig
1625 STRLEN size
1626 int eol
1627 PREINIT:
1628 SV *buffer_sv;
1629 void *buffer;
1630 ssize_t result;
1631 PPCODE:
1632 if (size < 2)
1633 croak("size too small in call to gets()");
1634 buffer_sv = sv_2mortal(newSV(size+1));
1635 buffer = SvPVX(buffer_sv);
1636 result = i_io_gets(ig, buffer, size+1, eol);
1637 if (result > 0) {
1638 SvCUR_set(buffer_sv, result);
1639 *SvEND(buffer_sv) = '\0';
1640 SvPOK_only(buffer_sv);
1641 EXTEND(SP, 1);
1642 PUSHs(buffer_sv);
1643 }
1644
1645IV
1646i_io_write(ig, data_sv)
1647 Imager::IO ig
1648 SV *data_sv
1649 PREINIT:
1650 void *data;
1651 STRLEN size;
1652 CODE:
40a88898 1653 data = SvPVbyte(data_sv, size);
6d5c85a2
TC
1654 RETVAL = i_io_write(ig, data, size);
1655 OUTPUT:
1656 RETVAL
1657
1658void
1659i_io_dump(ig, flags = I_IO_DUMP_DEFAULT)
1660 Imager::IO ig
1661 int flags
1662
1663bool
1664i_io_set_buffered(ig, flag = 1)
1665 Imager::IO ig
1666 int flag
1667
1668bool
1669i_io_is_buffered(ig)
1670 Imager::IO ig
1671
1672bool
1673i_io_eof(ig)
1674 Imager::IO ig
1675
1676bool
1677i_io_error(ig)
1678 Imager::IO ig
1679
c3cc977e
AMH
1680MODULE = Imager PACKAGE = Imager
1681
1682PROTOTYPES: ENABLE
1683
02d1d628
AMH
1684void
1685i_list_formats()
1686 PREINIT:
1687 char* item;
1688 int i;
1689 PPCODE:
1690 i=0;
1691 while( (item=i_format_list[i++]) != NULL ) {
1692 EXTEND(SP, 1);
1693 PUSHs(sv_2mortal(newSVpv(item,0)));
1694 }
1695
ec76939c
TC
1696Imager::ImgRaw
1697i_sametype(im, x, y)
1698 Imager::ImgRaw im
8d14daab
TC
1699 i_img_dim x
1700 i_img_dim y
ec76939c
TC
1701
1702Imager::ImgRaw
1703i_sametype_chans(im, x, y, channels)
1704 Imager::ImgRaw im
8d14daab
TC
1705 i_img_dim x
1706 i_img_dim y
ec76939c
TC
1707 int channels
1708
10ea52a3 1709int
bd8052a6
TC
1710i_init_log(name_sv,level)
1711 SV* name_sv
02d1d628 1712 int level
bd8052a6
TC
1713 PREINIT:
1714 const char *name = SvOK(name_sv) ? SvPV_nolen(name_sv) : NULL;
1715 CODE:
10ea52a3
TC
1716 RETVAL = i_init_log(name, level);
1717 OUTPUT:
1718 RETVAL
02d1d628 1719
7f882a01 1720void
bf1573f9 1721i_log_entry(string,level)
7f882a01
AMH
1722 char* string
1723 int level
1724
10ea52a3
TC
1725int
1726i_log_enabled()
7f882a01 1727
02d1d628
AMH
1728void
1729i_img_info(im)
1730 Imager::ImgRaw im
1731 PREINIT:
8d14daab 1732 i_img_dim info[4];
02d1d628
AMH
1733 PPCODE:
1734 i_img_info(im,info);
1735 EXTEND(SP, 4);
1736 PUSHs(sv_2mortal(newSViv(info[0])));
1737 PUSHs(sv_2mortal(newSViv(info[1])));
1738 PUSHs(sv_2mortal(newSViv(info[2])));
1739 PUSHs(sv_2mortal(newSViv(info[3])));
1740
1741
1742
1743
1744void
1745i_img_setmask(im,ch_mask)
1746 Imager::ImgRaw im
1747 int ch_mask
1748
1749int
1750i_img_getmask(im)
1751 Imager::ImgRaw im
1752
1753int
1754i_img_getchannels(im)
1755 Imager::ImgRaw im
1756
1757void
1758i_img_getdata(im)
1759 Imager::ImgRaw im
1760 PPCODE:
1761 EXTEND(SP, 1);
26fd367b
TC
1762 PUSHs(im->idata ?
1763 sv_2mortal(newSVpv((char *)im->idata, im->bytes))
faa9b3e7 1764 : &PL_sv_undef);
02d1d628 1765
3b000586
TC
1766IV
1767i_img_get_width(im)
1768 Imager::ImgRaw im
1769
1770IV
1771i_img_get_height(im)
1772 Imager::ImgRaw im
1773
35db02fc
TC
1774int
1775i_img_color_model(im)
1776 Imager::ImgRaw im
1777
1778int
1779i_img_color_channels(im)
1780 Imager::ImgRaw im
1781
1782int
1783i_img_alpha_channel(im)
1784 Imager::ImgRaw im
1785 CODE:
1786 if (!i_img_alpha_channel(im, &RETVAL))
1787 XSRETURN(0);
1788 OUTPUT:
1789 RETVAL
3b000586 1790
bd8052a6
TC
1791void
1792i_img_is_monochrome(im)
1793 Imager::ImgRaw im
1794 PREINIT:
1795 int zero_is_white;
1796 int result;
1797 PPCODE:
1798 result = i_img_is_monochrome(im, &zero_is_white);
1799 if (result) {
1800 if (GIMME_V == G_ARRAY) {
1801 EXTEND(SP, 2);
1802 PUSHs(&PL_sv_yes);
1803 PUSHs(sv_2mortal(newSViv(zero_is_white)));
1804 }
1805 else {
1806 EXTEND(SP, 1);
1807 PUSHs(&PL_sv_yes);
1808 }
1809 }
02d1d628
AMH
1810
1811void
aa833c97 1812i_line(im,x1,y1,x2,y2,val,endp)
02d1d628 1813 Imager::ImgRaw im
8d14daab
TC
1814 i_img_dim x1
1815 i_img_dim y1
1816 i_img_dim x2
1817 i_img_dim y2
02d1d628 1818 Imager::Color val
aa833c97 1819 int endp
02d1d628
AMH
1820
1821void
b437ce0a 1822i_line_aa(im,x1,y1,x2,y2,val,endp)
02d1d628 1823 Imager::ImgRaw im
8d14daab
TC
1824 i_img_dim x1
1825 i_img_dim y1
1826 i_img_dim x2
1827 i_img_dim y2
02d1d628 1828 Imager::Color val
b437ce0a 1829 int endp
02d1d628
AMH
1830
1831void
1832i_box(im,x1,y1,x2,y2,val)
1833 Imager::ImgRaw im
8d14daab
TC
1834 i_img_dim x1
1835 i_img_dim y1
1836 i_img_dim x2
1837 i_img_dim y2
02d1d628
AMH
1838 Imager::Color val
1839
1840void
1841i_box_filled(im,x1,y1,x2,y2,val)
1842 Imager::ImgRaw im
8d14daab
TC
1843 i_img_dim x1
1844 i_img_dim y1
1845 i_img_dim x2
1846 i_img_dim y2
02d1d628
AMH
1847 Imager::Color val
1848
7477ff14
TC
1849int
1850i_box_filledf(im,x1,y1,x2,y2,val)
1851 Imager::ImgRaw im
8d14daab
TC
1852 i_img_dim x1
1853 i_img_dim y1
1854 i_img_dim x2
1855 i_img_dim y2
7477ff14
TC
1856 Imager::Color::Float val
1857
f1ac5027
TC
1858void
1859i_box_cfill(im,x1,y1,x2,y2,fill)
1860 Imager::ImgRaw im
8d14daab
TC
1861 i_img_dim x1
1862 i_img_dim y1
1863 i_img_dim x2
1864 i_img_dim y2
f1ac5027
TC
1865 Imager::FillHandle fill
1866
02d1d628
AMH
1867void
1868i_arc(im,x,y,rad,d1,d2,val)
1869 Imager::ImgRaw im
8d14daab
TC
1870 i_img_dim x
1871 i_img_dim y
1872 double rad
1873 double d1
1874 double d2
02d1d628
AMH
1875 Imager::Color val
1876
a8652edf
TC
1877void
1878i_arc_aa(im,x,y,rad,d1,d2,val)
1879 Imager::ImgRaw im
1880 double x
1881 double y
1882 double rad
1883 double d1
1884 double d2
1885 Imager::Color val
1886
f1ac5027
TC
1887void
1888i_arc_cfill(im,x,y,rad,d1,d2,fill)
1889 Imager::ImgRaw im
8d14daab
TC
1890 i_img_dim x
1891 i_img_dim y
1892 double rad
1893 double d1
1894 double d2
f1ac5027
TC
1895 Imager::FillHandle fill
1896
a8652edf
TC
1897void
1898i_arc_aa_cfill(im,x,y,rad,d1,d2,fill)
1899 Imager::ImgRaw im
1900 double x
1901 double y
1902 double rad
1903 double d1
1904 double d2
1905 Imager::FillHandle fill
02d1d628
AMH
1906
1907
6af18d2b
AMH
1908void
1909i_circle_aa(im,x,y,rad,val)
1910 Imager::ImgRaw im
8d14daab
TC
1911 double x
1912 double y
1913 double rad
6af18d2b
AMH
1914 Imager::Color val
1915
bf18ef3a
TC
1916void
1917i_circle_aa_fill(im,x,y,rad,fill)
1918 Imager::ImgRaw im
1919 double x
1920 double y
1921 double rad
1922 Imager::FillHandle fill
1923
40068b33
TC
1924int
1925i_circle_out(im,x,y,rad,val)
1926 Imager::ImgRaw im
1927 i_img_dim x
1928 i_img_dim y
1929 i_img_dim rad
1930 Imager::Color val
1931
1932int
1933i_circle_out_aa(im,x,y,rad,val)
1934 Imager::ImgRaw im
1935 i_img_dim x
1936 i_img_dim y
1937 i_img_dim rad
1938 Imager::Color val
1939
1940int
1941i_arc_out(im,x,y,rad,d1,d2,val)
1942 Imager::ImgRaw im
1943 i_img_dim x
1944 i_img_dim y
1945 i_img_dim rad
8d14daab
TC
1946 double d1
1947 double d2
40068b33
TC
1948 Imager::Color val
1949
1950int
1951i_arc_out_aa(im,x,y,rad,d1,d2,val)
1952 Imager::ImgRaw im
1953 i_img_dim x
1954 i_img_dim y
1955 i_img_dim rad
8d14daab
TC
1956 double d1
1957 double d2
40068b33 1958 Imager::Color val
6af18d2b
AMH
1959
1960
02d1d628 1961void
987245e2 1962i_bezier_multi(im,x,y,val)
02d1d628 1963 Imager::ImgRaw im
987245e2
TC
1964 double *x
1965 double *y
1966 Imager::Color val
1967 PREINIT:
1968 STRLEN size_x;
1969 STRLEN size_y;
1970 PPCODE:
1971 if (size_x != size_y)
1972 croak("Imager: x and y arrays to i_bezier_multi must be equal length\n");
1973 i_bezier_multi(im,size_x,x,y,val);
02d1d628 1974
1c5252ed 1975int
0d80f37e 1976i_poly_aa_m(im,x,y,mode,val)
02d1d628 1977 Imager::ImgRaw im
19e9591b
TC
1978 double *x
1979 double *y
0d80f37e 1980 i_poly_fill_mode_t mode
a54e32ba
TC
1981 Imager::Color val
1982 PREINIT:
19e9591b
TC
1983 STRLEN size_x;
1984 STRLEN size_y;
a54e32ba 1985 CODE:
19e9591b 1986 if (size_x != size_y)
a54e32ba 1987 croak("Imager: x and y arrays to i_poly_aa must be equal length\n");
0d80f37e 1988 RETVAL = i_poly_aa_m(im, size_x, x, y, mode, val);
a54e32ba
TC
1989 OUTPUT:
1990 RETVAL
02d1d628 1991
1c5252ed 1992int
0d80f37e 1993i_poly_aa_cfill_m(im, x, y, mode, fill)
43c5dacb 1994 Imager::ImgRaw im
19e9591b
TC
1995 double *x
1996 double *y
0d80f37e 1997 i_poly_fill_mode_t mode
a54e32ba
TC
1998 Imager::FillHandle fill
1999 PREINIT:
19e9591b
TC
2000 STRLEN size_x;
2001 STRLEN size_y;
a54e32ba 2002 CODE:
19e9591b 2003 if (size_x != size_y)
a54e32ba 2004 croak("Imager: x and y arrays to i_poly_aa_cfill must be equal length\n");
0d80f37e 2005 RETVAL = i_poly_aa_cfill_m(im, size_x, x, y, mode, fill);
a54e32ba
TC
2006 OUTPUT:
2007 RETVAL
02d1d628 2008
0d80f37e
TC
2009int
2010i_poly_poly_aa(im, polys, mode, color)
2011 Imager::ImgRaw im
2012 i_polygon_list polys
2013 i_poly_fill_mode_t mode
2014 Imager::Color color
2015 CODE:
2016 RETVAL = i_poly_poly_aa(im, polys.count, polys.polygons, mode, color);
2017 OUTPUT:
2018 RETVAL
2019
2020int
2021i_poly_poly_aa_cfill(im, polys, mode, fill)
2022 Imager::ImgRaw im
2023 i_polygon_list polys
2024 i_poly_fill_mode_t mode
2025 Imager::FillHandle fill
2026 CODE:
2027 RETVAL = i_poly_poly_aa_cfill(im, polys.count, polys.polygons, mode, fill);
2028 OUTPUT:
2029 RETVAL
2030
a321d497 2031undef_int
02d1d628
AMH
2032i_flood_fill(im,seedx,seedy,dcol)
2033 Imager::ImgRaw im
8d14daab
TC
2034 i_img_dim seedx
2035 i_img_dim seedy
02d1d628
AMH
2036 Imager::Color dcol
2037
a321d497 2038undef_int
cc6483e0
TC
2039i_flood_cfill(im,seedx,seedy,fill)
2040 Imager::ImgRaw im
8d14daab
TC
2041 i_img_dim seedx
2042 i_img_dim seedy
cc6483e0
TC
2043 Imager::FillHandle fill
2044
3efb0915
TC
2045undef_int
2046i_flood_fill_border(im,seedx,seedy,dcol, border)
2047 Imager::ImgRaw im
8d14daab
TC
2048 i_img_dim seedx
2049 i_img_dim seedy
3efb0915
TC
2050 Imager::Color dcol
2051 Imager::Color border
2052
2053undef_int
2054i_flood_cfill_border(im,seedx,seedy,fill, border)
2055 Imager::ImgRaw im
8d14daab
TC
2056 i_img_dim seedx
2057 i_img_dim seedy
3efb0915
TC
2058 Imager::FillHandle fill
2059 Imager::Color border
2060
02d1d628
AMH
2061
2062void
2063i_copyto(im,src,x1,y1,x2,y2,tx,ty)
2064 Imager::ImgRaw im
2065 Imager::ImgRaw src
8d14daab
TC
2066 i_img_dim x1
2067 i_img_dim y1
2068 i_img_dim x2
2069 i_img_dim y2
2070 i_img_dim tx
2071 i_img_dim ty
02d1d628
AMH
2072
2073
2074void
2075i_copyto_trans(im,src,x1,y1,x2,y2,tx,ty,trans)
2076 Imager::ImgRaw im
2077 Imager::ImgRaw src
8d14daab
TC
2078 i_img_dim x1
2079 i_img_dim y1
2080 i_img_dim x2
2081 i_img_dim y2
2082 i_img_dim tx
2083 i_img_dim ty
02d1d628
AMH
2084 Imager::Color trans
2085
92bda632
TC
2086Imager::ImgRaw
2087i_copy(src)
02d1d628
AMH
2088 Imager::ImgRaw src
2089
2090
faa9b3e7 2091undef_int
71dc4a83 2092i_rubthru(im,src,tx,ty,src_minx,src_miny,src_maxx,src_maxy)
02d1d628
AMH
2093 Imager::ImgRaw im
2094 Imager::ImgRaw src
8d14daab
TC
2095 i_img_dim tx
2096 i_img_dim ty
2097 i_img_dim src_minx
2098 i_img_dim src_miny
2099 i_img_dim src_maxx
2100 i_img_dim src_maxy
71dc4a83 2101
9b1ec2b8
TC
2102undef_int
2103i_compose(out, src, out_left, out_top, src_left, src_top, width, height, combine = ic_normal, opacity = 0.0)
2104 Imager::ImgRaw out
2105 Imager::ImgRaw src
8d14daab
TC
2106 i_img_dim out_left
2107 i_img_dim out_top
2108 i_img_dim src_left
2109 i_img_dim src_top
2110 i_img_dim width
2111 i_img_dim height
9b1ec2b8
TC
2112 int combine
2113 double opacity
2114
2115undef_int
2116i_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)
2117 Imager::ImgRaw out
2118 Imager::ImgRaw src
2119 Imager::ImgRaw mask
8d14daab
TC
2120 i_img_dim out_left
2121 i_img_dim out_top
2122 i_img_dim src_left
2123 i_img_dim src_top
2124 i_img_dim mask_left
2125 i_img_dim mask_top
2126 i_img_dim width
2127 i_img_dim height
9b1ec2b8
TC
2128 int combine
2129 double opacity
02d1d628 2130
b47464c1
TC
2131Imager::ImgRaw
2132i_combine(src_av, channels_av = NULL)
2133 AV *src_av
2134 AV *channels_av
2135 PREINIT:
2136 i_img **imgs = NULL;
2137 STRLEN in_count;
2138 int *channels = NULL;
2139 int i;
2140 SV **psv;
2141 IV tmp;
2142 CODE:
2143 in_count = av_len(src_av) + 1;
2144 if (in_count > 0) {
2145 imgs = mymalloc(sizeof(i_img*) * in_count);
2146 channels = mymalloc(sizeof(int) * in_count);
2147 for (i = 0; i < in_count; ++i) {
2148 psv = av_fetch(src_av, i, 0);
2149 if (!psv || !*psv || !sv_derived_from(*psv, "Imager::ImgRaw")) {
2150 myfree(imgs);
2151 myfree(channels);
2152 croak("imgs must contain only images");
2153 }
2154 tmp = SvIV((SV*)SvRV(*psv));
2155 imgs[i] = INT2PTR(i_img*, tmp);
2156 if (channels_av &&
2157 (psv = av_fetch(channels_av, i, 0)) != NULL &&
2158 *psv) {
2159 channels[i] = SvIV(*psv);
2160 }
2161 else {
2162 channels[i] = 0;
2163 }
2164 }
2165 }
2166 RETVAL = i_combine(imgs, channels, in_count);
2167 myfree(imgs);
2168 myfree(channels);
2169 OUTPUT:
2170 RETVAL
2171
142c26ff
AMH
2172undef_int
2173i_flipxy(im, direction)
2174 Imager::ImgRaw im
2175 int direction
2176
faa9b3e7
TC
2177Imager::ImgRaw
2178i_rotate90(im, degrees)
2179 Imager::ImgRaw im
2180 int degrees
2181
2182Imager::ImgRaw
0d3b936e 2183i_rotate_exact(im, amount, ...)
faa9b3e7
TC
2184 Imager::ImgRaw im
2185 double amount
0d3b936e
TC
2186 PREINIT:
2187 i_color *backp = NULL;
2188 i_fcolor *fbackp = NULL;
2189 int i;
2190 SV * sv1;
2191 CODE:
2192 /* extract the bg colors if any */
2193 /* yes, this is kind of strange */
2194 for (i = 2; i < items; ++i) {
2195 sv1 = ST(i);
2196 if (sv_derived_from(sv1, "Imager::Color")) {
2197 IV tmp = SvIV((SV*)SvRV(sv1));
2198 backp = INT2PTR(i_color *, tmp);
2199 }
2200 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
2201 IV tmp = SvIV((SV*)SvRV(sv1));
2202 fbackp = INT2PTR(i_fcolor *, tmp);
2203 }
2204 }
2205 RETVAL = i_rotate_exact_bg(im, amount, backp, fbackp);
2206 OUTPUT:
2207 RETVAL
faa9b3e7
TC
2208
2209Imager::ImgRaw
87b3f212 2210i_matrix_transform(im, xsize, ysize, matrix_av, ...)
faa9b3e7 2211 Imager::ImgRaw im
487ec752
TC
2212 i_img_dim xsize
2213 i_img_dim ysize
87b3f212 2214 AV *matrix_av
487ec752
TC
2215 PREINIT:
2216 double matrix[9];
2217 STRLEN len;
2218 SV *sv1;
2219 int i;
2220 i_color *backp = NULL;
2221 i_fcolor *fbackp = NULL;
2222 CODE:
2223 len=av_len(matrix_av)+1;
2224 if (len > 9)
2225 len = 9;
2226 for (i = 0; i < len; ++i) {
2227 sv1=(*(av_fetch(matrix_av,i,0)));
2228 matrix[i] = SvNV(sv1);
2229 }
2230 for (; i < 9; ++i)
2231 matrix[i] = 0;
2232 /* extract the bg colors if any */
2233 /* yes, this is kind of strange */
2234 for (i = 4; i < items; ++i) {
2235 sv1 = ST(i);
2236 if (sv_derived_from(sv1, "Imager::Color")) {
2237 IV tmp = SvIV((SV*)SvRV(sv1));
2238 backp = INT2PTR(i_color *, tmp);
2239 }
2240 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
2241 IV tmp = SvIV((SV*)SvRV(sv1));
2242 fbackp = INT2PTR(i_fcolor *, tmp);
2243 }
2244 }
2245 RETVAL = i_matrix_transform_bg(im, xsize, ysize, matrix, backp, fbackp);
2246 OUTPUT:
2247 RETVAL
02d1d628 2248
167660cd 2249undef_int
02d1d628
AMH
2250i_gaussian(im,stdev)
2251 Imager::ImgRaw im
167660cd 2252 double stdev
02d1d628 2253
b6381851
TC
2254void
2255i_unsharp_mask(im,stdev,scale)
2256 Imager::ImgRaw im
8d14daab 2257 double stdev
b6381851
TC
2258 double scale
2259
6a3cbaef
TC
2260int
2261i_conv(im,coef)
2262 Imager::ImgRaw im
2263 AV *coef
2264 PREINIT:
2265 double* c_coef;
2266 int len;
2267 SV* sv1;
2268 int i;
2269 CODE:
2270 len = av_len(coef) + 1;
2271 c_coef=mymalloc( len * sizeof(double) );
2272 for(i = 0; i < len; i++) {
2273 sv1 = (*(av_fetch(coef, i, 0)));
2274 c_coef[i] = (double)SvNV(sv1);
2275 }
2276 RETVAL = i_conv(im, c_coef, len);
2277 myfree(c_coef);
2278 OUTPUT:
2279 RETVAL
02d1d628 2280
d5477d3d
TC
2281Imager::ImgRaw
2282i_convert(src, avmain)
f5991c03 2283 Imager::ImgRaw src
d5477d3d 2284 AV *avmain
f5991c03 2285 PREINIT:
62869327 2286 double *coeff;
f5991c03
TC
2287 int outchan;
2288 int inchan;
f5991c03 2289 SV **temp;
f5991c03
TC
2290 AV *avsub;
2291 int len;
2292 int i, j;
2293 CODE:
f5991c03
TC
2294 outchan = av_len(avmain)+1;
2295 /* find the biggest */
2296 inchan = 0;
2297 for (j=0; j < outchan; ++j) {
2298 temp = av_fetch(avmain, j, 0);
2299 if (temp && SvROK(*temp) && SvTYPE(SvRV(*temp)) == SVt_PVAV) {
2300 avsub = (AV*)SvRV(*temp);
2301 len = av_len(avsub)+1;
2302 if (len > inchan)
2303 inchan = len;
2304 }
26eb06dd
TC
2305 else {
2306 i_push_errorf(0, "invalid matrix: element %d is not an array ref", j);
2307 XSRETURN(0);
2308 }
f5991c03 2309 }
62869327 2310 coeff = mymalloc(sizeof(double) * outchan * inchan);
f5991c03
TC
2311 for (j = 0; j < outchan; ++j) {
2312 avsub = (AV*)SvRV(*av_fetch(avmain, j, 0));
2313 len = av_len(avsub)+1;
2314 for (i = 0; i < len; ++i) {
2315 temp = av_fetch(avsub, i, 0);
2316 if (temp)
2317 coeff[i+j*inchan] = SvNV(*temp);
2318 else
2319 coeff[i+j*inchan] = 0;
2320 }
2321 while (i < inchan)
2322 coeff[i++ + j*inchan] = 0;
2323 }
d5477d3d 2324 RETVAL = i_convert(src, coeff, outchan, inchan);
f5991c03 2325 myfree(coeff);
f5991c03
TC
2326 OUTPUT:
2327 RETVAL
40eba1ea
AMH
2328
2329
1136f089 2330undef_int
85f38e13 2331i_map(im, pmaps_av)
40eba1ea 2332 Imager::ImgRaw im
85f38e13 2333 AV *pmaps_av
64655904
TC
2334 PREINIT:
2335 unsigned int mask = 0;
64655904
TC
2336 AV *avsub;
2337 SV **temp;
2338 int len;
2339 int i, j;
2340 unsigned char (*maps)[256];
2341 CODE:
2342 len = av_len(pmaps_av)+1;
2343 if (im->channels < len)
2344 len = im->channels;
2345 maps = mymalloc( len * sizeof(unsigned char [256]) );
2346 for (j=0; j<len ; j++) {
2347 temp = av_fetch(pmaps_av, j, 0);
2348 if (temp && SvROK(*temp) && (SvTYPE(SvRV(*temp)) == SVt_PVAV) ) {
2349 avsub = (AV*)SvRV(*temp);
2350 if(av_len(avsub) != 255)
2351 continue;
2352 mask |= 1<<j;
2353 for (i=0; i<256 ; i++) {
2354 int val;
2355 temp = av_fetch(avsub, i, 0);
2356 val = temp ? SvIV(*temp) : 0;
2357 if (val<0) val = 0;
2358 if (val>255) val = 255;
2359 maps[j][i] = val;
2360 }
2361 }
2362 }
2363 i_map(im, maps, mask);
2364 myfree(maps);
2365 RETVAL = 1;
2366 OUTPUT:
2367 RETVAL
40eba1ea 2368
02d1d628
AMH
2369float
2370i_img_diff(im1,im2)
2371 Imager::ImgRaw im1
2372 Imager::ImgRaw im2
2373
e41cfe8f
TC
2374double
2375i_img_diffd(im1,im2)
2376 Imager::ImgRaw im1
2377 Imager::ImgRaw im2
02d1d628 2378
4498c8bd
TC
2379int
2380i_img_samef(im1, im2, epsilon = i_img_epsilonf(), what=NULL)
2381 Imager::ImgRaw im1
2382 Imager::ImgRaw im2
2383 double epsilon
2384 const char *what
2385
2386double
2387i_img_epsilonf()
2388
813d4d0a
TC
2389bool
2390_is_color_object(sv)
2391 SV* sv
2392 CODE:
2393 SvGETMAGIC(sv);
2394 RETVAL = SvOK(sv) && SvROK(sv) &&
2395 (sv_derived_from(sv, "Imager::Color")
2396 || sv_derived_from(sv, "Imager::Color::Float"));
2397 OUTPUT:
2398 RETVAL
2399
02d1d628
AMH
2400#ifdef HAVE_LIBTT
2401
2402
4b19f77a 2403Imager::Font::TT
02d1d628
AMH
2404i_tt_new(fontname)
2405 char* fontname
2406
4b19f77a
AMH
2407
2408MODULE = Imager PACKAGE = Imager::Font::TT PREFIX=TT_
2409
2410#define TT_DESTROY(handle) i_tt_destroy(handle)
2411
02d1d628 2412void
4b19f77a
AMH
2413TT_DESTROY(handle)
2414 Imager::Font::TT handle
2415
ffddd407
TC
2416int
2417TT_CLONE_SKIP(...)
2418 CODE:
8d14daab 2419 (void)items; /* avoid unused warning */
ffddd407
TC
2420 RETVAL = 1;
2421 OUTPUT:
2422 RETVAL
2423
02d1d628 2424
4b19f77a 2425MODULE = Imager PACKAGE = Imager
02d1d628
AMH
2426
2427
2428undef_int
e3b4d6c3 2429i_tt_text(handle,im,xb,yb,cl,points,str_sv,smooth,utf8,align=1)
4b19f77a 2430 Imager::Font::TT handle
02d1d628 2431 Imager::ImgRaw im
8d14daab
TC
2432 i_img_dim xb
2433 i_img_dim yb
02d1d628 2434 Imager::Color cl
8d14daab 2435 double points
4f68b48f 2436 SV * str_sv
02d1d628 2437 int smooth
4f68b48f 2438 int utf8
9ab6338b 2439 int align
4f68b48f
TC
2440 PREINIT:
2441 char *str;
2442 STRLEN len;
2443 CODE:
e3b4d6c3 2444 str = SvPV(str_sv, len);
4f68b48f
TC
2445#ifdef SvUTF8
2446 if (SvUTF8(str_sv))
2447 utf8 = 1;
2448#endif
4f68b48f 2449 RETVAL = i_tt_text(handle, im, xb, yb, cl, points, str,
9ab6338b 2450 len, smooth, utf8, align);
4f68b48f
TC
2451 OUTPUT:
2452 RETVAL
02d1d628
AMH
2453
2454
2455undef_int
e3b4d6c3 2456i_tt_cp(handle,im,xb,yb,channel,points,str_sv,smooth,utf8,align=1)
4b19f77a 2457 Imager::Font::TT handle
02d1d628 2458 Imager::ImgRaw im
8d14daab
TC
2459 i_img_dim xb
2460 i_img_dim yb
02d1d628 2461 int channel
8d14daab 2462 double points
4f68b48f 2463 SV * str_sv
02d1d628 2464 int smooth
4f68b48f 2465 int utf8
9ab6338b 2466 int align
4f68b48f
TC
2467 PREINIT:
2468 char *str;
2469 STRLEN len;
2470 CODE:
e3b4d6c3 2471 str = SvPV(str_sv, len);
4f68b48f
TC
2472#ifdef SvUTF8
2473 if (SvUTF8(str_sv))
2474 utf8 = 1;
2475#endif
4f68b48f 2476 RETVAL = i_tt_cp(handle, im, xb, yb, channel, points, str, len,
9ab6338b 2477 smooth, utf8, align);
4f68b48f
TC
2478 OUTPUT:
2479 RETVAL
02d1d628
AMH
2480
2481
a659442a 2482void
7e3298ec 2483i_tt_bbox(handle,point,str_sv,utf8)
4b19f77a 2484 Imager::Font::TT handle
8d14daab 2485 double point
4f68b48f 2486 SV* str_sv
4f68b48f 2487 int utf8
02d1d628 2488 PREINIT:
8d14daab
TC
2489 i_img_dim cords[BOUNDING_BOX_COUNT];
2490 int rc;
4f68b48f
TC
2491 char * str;
2492 STRLEN len;
3799c4d1 2493 int i;
02d1d628 2494 PPCODE:
7e3298ec 2495 str = SvPV(str_sv, len);
4f68b48f
TC
2496#ifdef SvUTF8
2497 if (SvUTF8(ST(2)))
2498 utf8 = 1;
2499#endif
4f68b48f 2500 if ((rc=i_tt_bbox(handle,point,str,len,cords, utf8))) {
3799c4d1
TC
2501 EXTEND(SP, rc);
2502 for (i = 0; i < rc; ++i) {
2503 PUSHs(sv_2mortal(newSViv(cords[i])));
2504 }
02d1d628
AMH
2505 }
2506
eeaa33fd
TC
2507void
2508i_tt_has_chars(handle, text_sv, utf8)
2509 Imager::Font::TT handle
2510 SV *text_sv
2511 int utf8
2512 PREINIT:
2513 char const *text;
2514 STRLEN len;
2515 char *work;
8d14daab
TC
2516 size_t count;
2517 size_t i;
eeaa33fd 2518 PPCODE:
7e3298ec
TC
2519 i_clear_error();
2520 text = SvPV(text_sv, len);
eeaa33fd
TC
2521#ifdef SvUTF8
2522 if (SvUTF8(text_sv))
2523 utf8 = 1;
2524#endif
eeaa33fd
TC
2525 work = mymalloc(len);
2526 count = i_tt_has_chars(handle, text, len, utf8, work);
2527 if (GIMME_V == G_ARRAY) {
7eb58d07
TC
2528 if (count) {
2529 EXTEND(SP, count);
2530 for (i = 0; i < count; ++i) {
2531 PUSHs(boolSV(work[i]));
2532 }
2533 }
eeaa33fd
TC
2534 }
2535 else {
2536 EXTEND(SP, 1);
2537 PUSHs(sv_2mortal(newSVpv(work, count)));
2538 }
2539 myfree(work);
02d1d628 2540
3799c4d1
TC
2541void
2542i_tt_dump_names(handle)
2543 Imager::Font::TT handle
02d1d628 2544
3799c4d1
TC
2545void
2546i_tt_face_name(handle)
2547 Imager::Font::TT handle
2548 PREINIT:
2549 char name[255];
8d14daab 2550 size_t len;
3799c4d1
TC
2551 PPCODE:
2552 len = i_tt_face_name(handle, name, sizeof(name));
2553 if (len) {
2554 EXTEND(SP, 1);
8d14daab 2555 PUSHs(sv_2mortal(newSVpv(name, len-1)));
3799c4d1 2556 }
02d1d628 2557
19fa4baf
AMH
2558void
2559i_tt_glyph_name(handle, text_sv, utf8 = 0)
3799c4d1
TC
2560 Imager::Font::TT handle
2561 SV *text_sv
2562 int utf8
2563 PREINIT:
2564 char const *text;
2565 STRLEN work_len;
718b8c97 2566 size_t len;
8d14daab 2567 size_t outsize;
3799c4d1
TC
2568 char name[255];
2569 PPCODE:
7e3298ec
TC
2570 i_clear_error();
2571 text = SvPV(text_sv, work_len);
3799c4d1
TC
2572#ifdef SvUTF8
2573 if (SvUTF8(text_sv))
2574 utf8 = 1;
2575#endif
3799c4d1
TC
2576 len = work_len;
2577 while (len) {
17892255 2578 unsigned long ch;
3799c4d1
TC
2579 if (utf8) {
2580 ch = i_utf8_advance(&text, &len);
2581 if (ch == ~0UL) {
2582 i_push_error(0, "invalid UTF8 character");
7e3298ec 2583 XSRETURN_EMPTY;
3799c4d1
TC
2584 }
2585 }
2586 else {
2587 ch = *text++;
2588 --len;
2589 }
ea3099db 2590 EXTEND(SP, 1);
af070d99 2591 if ((outsize = i_tt_glyph_name(handle, ch, name, sizeof(name))) != 0) {
ea3099db 2592 PUSHs(sv_2mortal(newSVpv(name, 0)));
3799c4d1
TC
2593 }
2594 else {
ea3099db 2595 PUSHs(&PL_sv_undef);
7e3298ec 2596 }
3799c4d1
TC
2597 }
2598
2599#endif
02d1d628 2600
53a6bbd4 2601const char *
e10bf46e
AMH
2602i_test_format_probe(ig, length)
2603 Imager::IO ig
2604 int length
2605
02d1d628 2606Imager::ImgRaw
d87dc9a4 2607i_readpnm_wiol(ig, allow_incomplete)
02d1d628 2608 Imager::IO ig
d87dc9a4 2609 int allow_incomplete
02d1d628
AMH
2610
2611
2086be61
TC
2612void
2613i_readpnm_multi_wiol(ig, allow_incomplete)
2614 Imager::IO ig
2615 int allow_incomplete
2616 PREINIT:
2617 i_img **imgs;
2618 int count=0;
2619 int i;
2620 PPCODE:
2621 imgs = i_readpnm_multi_wiol(ig, &count, allow_incomplete);
2622 if (imgs) {
2623 EXTEND(SP, count);
2624 for (i = 0; i < count; ++i) {
2625 SV *sv = sv_newmortal();
2626 sv_setref_pv(sv, "Imager::ImgRaw", (void *)imgs[i]);
2627 PUSHs(sv);
2628 }
2629 myfree(imgs);
2630 }
2631
067d6bdc
AMH
2632undef_int
2633i_writeppm_wiol(im, ig)
2634 Imager::ImgRaw im
2635 Imager::IO ig
2636
2637
2086be61
TC
2638
2639
2640
02d1d628 2641Imager::ImgRaw
895dbd34
AMH
2642i_readraw_wiol(ig,x,y,datachannels,storechannels,intrl)
2643 Imager::IO ig
8d14daab
TC
2644 i_img_dim x
2645 i_img_dim y
02d1d628
AMH
2646 int datachannels
2647 int storechannels
2648 int intrl
2649
2650undef_int
895dbd34 2651i_writeraw_wiol(im,ig)
02d1d628 2652 Imager::ImgRaw im
895dbd34
AMH
2653 Imager::IO ig
2654
261f91c5
TC
2655undef_int
2656i_writebmp_wiol(im,ig)
2657 Imager::ImgRaw im
2658 Imager::IO ig
02d1d628 2659
705fd961 2660Imager::ImgRaw
d87dc9a4 2661i_readbmp_wiol(ig, allow_incomplete=0)
705fd961 2662 Imager::IO ig
d87dc9a4 2663 int allow_incomplete
705fd961 2664
1ec86afa
AMH
2665
2666undef_int
febba01f 2667i_writetga_wiol(im,ig, wierdpack, compress, idstring)
1ec86afa
AMH
2668 Imager::ImgRaw im
2669 Imager::IO ig
febba01f
AMH
2670 int wierdpack
2671 int compress
2672 char* idstring
2673 PREINIT:
febba01f
AMH
2674 int idlen;
2675 CODE:
2676 idlen = SvCUR(ST(4));
2677 RETVAL = i_writetga_wiol(im, ig, wierdpack, compress, idstring, idlen);
2678 OUTPUT:
2679 RETVAL
2680
1ec86afa
AMH
2681
2682Imager::ImgRaw
2683i_readtga_wiol(ig, length)
2684 Imager::IO ig
2685 int length
2686
2687
737a830c
AMH
2688
2689
02d1d628
AMH
2690Imager::ImgRaw
2691i_scaleaxis(im,Value,Axis)
2692 Imager::ImgRaw im
8d14daab 2693 double Value
02d1d628
AMH
2694 int Axis
2695
2696Imager::ImgRaw
2697i_scale_nn(im,scx,scy)
2698 Imager::ImgRaw im
8d14daab
TC
2699 double scx
2700 double scy
02d1d628 2701
658f724e
TC
2702Imager::ImgRaw
2703i_scale_mixing(im, width, height)
2704 Imager::ImgRaw im
8d14daab
TC
2705 i_img_dim width
2706 i_img_dim height
658f724e 2707
02d1d628
AMH
2708Imager::ImgRaw
2709i_haar(im)
2710 Imager::ImgRaw im
2711
2712int
2713i_count_colors(im,maxc)
2714 Imager::ImgRaw im
2715 int maxc
2716
fe622da1 2717void
a60905e4
TC
2718i_get_anonymous_color_histo(im, maxc = 0x40000000)
2719 Imager::ImgRaw im
2720 int maxc
4c99febf 2721 PREINIT:
fe622da1 2722 int i;
a60905e4 2723 unsigned int * col_usage = NULL;
4c99febf
TC
2724 int col_cnt;
2725 PPCODE:
2726 col_cnt = i_get_anonymous_color_histo(im, &col_usage, maxc);
8b810590
TC
2727 if (col_cnt <= 0) {
2728 XSRETURN_EMPTY;
2729 }
2730 EXTEND(SP, col_cnt);
2731 for (i = 0; i < col_cnt; i++) {
2732 PUSHs(sv_2mortal(newSViv( col_usage[i])));
fe622da1 2733 }
8b810590 2734 myfree(col_usage);
fe622da1 2735
02d1d628 2736
fb9cb3f9 2737void
19e9591b 2738i_transform(im, opx, opy, parm)
02d1d628 2739 Imager::ImgRaw im
19e9591b
TC
2740 int *opx
2741 int *opy
2742 double *parm
02d1d628 2743 PREINIT:
19e9591b 2744 STRLEN size_opx, size_opy, size_parm;
fb9cb3f9
TC
2745 i_img *result;
2746 PPCODE:
19e9591b 2747 result=i_transform(im,opx,size_opx,opy,size_opy,parm,size_parm);
fb9cb3f9
TC
2748 if (result) {
2749 SV *result_sv = sv_newmortal();
2750 EXTEND(SP, 1);
2751 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2752 PUSHs(result_sv);
2753 }
02d1d628 2754
fb9cb3f9 2755void
e5744e01
TC
2756i_transform2(sv_width,sv_height,channels,sv_ops,av_n_regs,av_c_regs,av_in_imgs)
2757 SV *sv_width
2758 SV *sv_height
2759 SV *sv_ops
2760 AV *av_n_regs
2761 AV *av_c_regs
2762 AV *av_in_imgs
2763 int channels
02d1d628 2764 PREINIT:
8d14daab
TC
2765 i_img_dim width;
2766 i_img_dim height;
02d1d628 2767 struct rm_op *ops;
953209f8 2768 STRLEN ops_len;
02d1d628
AMH
2769 int ops_count;
2770 double *n_regs;
2771 int n_regs_count;
2772 i_color *c_regs;
2773 int c_regs_count;
2774 int in_imgs_count;
2775 i_img **in_imgs;
ea9e6c3f 2776 SV *sv1;
02d1d628
AMH
2777 IV tmp;
2778 int i;
fb9cb3f9
TC
2779 i_img *result;
2780 PPCODE:
e5744e01
TC
2781
2782 in_imgs_count = av_len(av_in_imgs)+1;
2783 for (i = 0; i < in_imgs_count; ++i) {
2784 sv1 = *av_fetch(av_in_imgs, i, 0);
2785 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2786 croak("sv_in_img must contain only images");
02d1d628
AMH
2787 }
2788 }
b8c2033e 2789 if (in_imgs_count > 0) {
02d1d628
AMH
2790 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
2791 for (i = 0; i < in_imgs_count; ++i) {
e5744e01 2792 sv1 = *av_fetch(av_in_imgs,i,0);
02d1d628
AMH
2793 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2794 croak("Parameter 5 must contain only images");
2795 }
2796 tmp = SvIV((SV*)SvRV(sv1));
e375fbd8 2797 in_imgs[i] = INT2PTR(i_img*, tmp);
02d1d628
AMH
2798 }
2799 }
2800 else {
2801 /* no input images */
2802 in_imgs = NULL;
2803 }
2804 /* default the output size from the first input if possible */
e5744e01
TC
2805 if (SvOK(sv_width))
2806 width = SvIV(sv_width);
02d1d628
AMH
2807 else if (in_imgs_count)
2808 width = in_imgs[0]->xsize;
2809 else
2810 croak("No output image width supplied");
2811
e5744e01
TC
2812 if (SvOK(sv_height))
2813 height = SvIV(sv_height);
02d1d628
AMH
2814 else if (in_imgs_count)
2815 height = in_imgs[0]->ysize;
2816 else
2817 croak("No output image height supplied");
2818
e5744e01 2819 ops = (struct rm_op *)SvPV(sv_ops, ops_len);
02d1d628
AMH
2820 if (ops_len % sizeof(struct rm_op))
2821 croak("Imager: Parameter 3 must be a bitmap of regops\n");
2822 ops_count = ops_len / sizeof(struct rm_op);
e5744e01
TC
2823
2824 n_regs_count = av_len(av_n_regs)+1;
02d1d628
AMH
2825 n_regs = mymalloc(n_regs_count * sizeof(double));
2826 for (i = 0; i < n_regs_count; ++i) {
e5744e01 2827 sv1 = *av_fetch(av_n_regs,i,0);
02d1d628
AMH
2828 if (SvOK(sv1))
2829 n_regs[i] = SvNV(sv1);
2830 }
e5744e01 2831 c_regs_count = av_len(av_c_regs)+1;
02d1d628
AMH
2832 c_regs = mymalloc(c_regs_count * sizeof(i_color));
2833 /* I don't bother initializing the colou?r registers */
2834
fb9cb3f9 2835 result=i_transform2(width, height, channels, ops, ops_count,
02d1d628
AMH
2836 n_regs, n_regs_count,
2837 c_regs, c_regs_count, in_imgs, in_imgs_count);
2838 if (in_imgs)
2839 myfree(in_imgs);
2840 myfree(n_regs);
2841 myfree(c_regs);
fb9cb3f9
TC
2842 if (result) {
2843 SV *result_sv = sv_newmortal();
2844 EXTEND(SP, 1);
2845 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2846 PUSHs(result_sv);
2847 }
02d1d628
AMH
2848
2849
2850void
2851i_contrast(im,intensity)
2852 Imager::ImgRaw im
2853 float intensity
2854
2855void
2856i_hardinvert(im)
2857 Imager::ImgRaw im
2858
5558f899
TC
2859void
2860i_hardinvertall(im)
2861 Imager::ImgRaw im
2862
02d1d628
AMH
2863void
2864i_noise(im,amount,type)
2865 Imager::ImgRaw im
2866 float amount
2867 unsigned char type
2868
2869void
2870i_bumpmap(im,bump,channel,light_x,light_y,strength)
2871 Imager::ImgRaw im
2872 Imager::ImgRaw bump
2873 int channel
8d14daab
TC
2874 i_img_dim light_x
2875 i_img_dim light_y
2876 i_img_dim strength
02d1d628 2877
b2778574
AMH
2878
2879void
2880i_bumpmap_complex(im,bump,channel,tx,ty,Lx,Ly,Lz,cd,cs,n,Ia,Il,Is)
2881 Imager::ImgRaw im
2882 Imager::ImgRaw bump
2883 int channel
8d14daab
TC
2884 i_img_dim tx
2885 i_img_dim ty
2886 double Lx
2887 double Ly
2888 double Lz
b2778574
AMH
2889 float cd
2890 float cs
2891 float n
2892 Imager::Color Ia
2893 Imager::Color Il
2894 Imager::Color Is
2895
2896
2897
02d1d628
AMH
2898void
2899i_postlevels(im,levels)
2900 Imager::ImgRaw im
2901 int levels
2902
2903void
2904i_mosaic(im,size)
2905 Imager::ImgRaw im
8d14daab 2906 i_img_dim size
02d1d628
AMH
2907
2908void
2909i_watermark(im,wmark,tx,ty,pixdiff)
2910 Imager::ImgRaw im
2911 Imager::ImgRaw wmark
8d14daab
TC
2912 i_img_dim tx
2913 i_img_dim ty
02d1d628
AMH
2914 int pixdiff
2915
2916
2917void
2918i_autolevels(im,lsat,usat,skew)
2919 Imager::ImgRaw im
2920 float lsat
2921 float usat
2922 float skew
2923
ac00f58d
TC
2924void
2925i_autolevels_mono(im,lsat,usat)
2926 Imager::ImgRaw im
2927 float lsat
2928 float usat
2929
02d1d628
AMH
2930void
2931i_radnoise(im,xo,yo,rscale,ascale)
2932 Imager::ImgRaw im
2933 float xo
2934 float yo
2935 float rscale
2936 float ascale
2937
2938void
2939i_turbnoise(im, xo, yo, scale)
2940 Imager::ImgRaw im
2941 float xo
2942 float yo
2943 float scale
2944
2945
2946void
0aaa8b4d 2947i_gradgen(im, xo, yo, ac, dmeasure)
02d1d628 2948 Imager::ImgRaw im
0aaa8b4d
TC
2949 i_img_dim *xo
2950 i_img_dim *yo
2951 i_color *ac
2952 int dmeasure
02d1d628 2953 PREINIT:
0aaa8b4d
TC
2954 STRLEN size_xo;
2955 STRLEN size_yo;
2956 STRLEN size_ac;
02d1d628 2957 CODE:
0aaa8b4d
TC
2958 if (size_xo != size_yo || size_xo != size_ac)
2959 croak("i_gradgen: x, y and color arrays must be the same size");
2960 if (size_xo < 2)
2961 croak("Usage: i_gradgen array refs must have more than 1 entry each");
2962 i_gradgen(im, size_xo, xo, yo, ac, dmeasure);
a73aeb5f 2963
dff75dee
TC
2964Imager::ImgRaw
2965i_diff_image(im, im2, mindist=0)
2966 Imager::ImgRaw im
2967 Imager::ImgRaw im2
01b84320 2968 double mindist
02d1d628 2969
e310e5f9 2970undef_int
6607600c
TC
2971i_fountain(im, xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2972 Imager::ImgRaw im
2973 double xa
2974 double ya
2975 double xb
2976 double yb
2977 int type
2978 int repeat
2979 int combine
2980 int super_sample
2981 double ssample_param
2982 PREINIT:
6607600c 2983 AV *asegs;
6607600c
TC
2984 int count;
2985 i_fountain_seg *segs;
6607600c 2986 CODE:
6607600c
TC
2987 if (!SvROK(ST(10)) || ! SvTYPE(SvRV(ST(10))))
2988 croak("i_fountain: argument 11 must be an array ref");
2989
2990 asegs = (AV *)SvRV(ST(10));
b13a3ddb 2991 segs = load_fount_segs(aTHX_ asegs, &count);
e310e5f9
TC
2992 RETVAL = i_fountain(im, xa, ya, xb, yb, type, repeat, combine,
2993 super_sample, ssample_param, count, segs);
6607600c 2994 myfree(segs);
e310e5f9
TC
2995 OUTPUT:
2996 RETVAL
02d1d628 2997
f1ac5027
TC
2998Imager::FillHandle
2999i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
3000 double xa
3001 double ya
3002 double xb
3003 double yb
3004 int type
3005 int repeat
3006 int combine
3007 int super_sample
3008 double ssample_param
3009 PREINIT:
3010 AV *asegs;
3011 int count;
3012 i_fountain_seg *segs;
3013 CODE:
3014 if (!SvROK(ST(9)) || ! SvTYPE(SvRV(ST(9))))
3015 croak("i_fountain: argument 11 must be an array ref");
3016
3017 asegs = (AV *)SvRV(ST(9));
b13a3ddb 3018 segs = load_fount_segs(aTHX_ asegs, &count);
f1ac5027
TC
3019 RETVAL = i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine,
3020 super_sample, ssample_param, count, segs);
3021 myfree(segs);
3022 OUTPUT:
3023 RETVAL
3024
52f2b10a
TC
3025Imager::FillHandle
3026i_new_fill_opacity(other_fill, alpha_mult)
3027 Imager::FillHandle other_fill
3028 double alpha_mult
3029
4f4f776a
TC
3030void
3031i_errors()
3032 PREINIT:
3033 i_errmsg *errors;
3034 int i;
4f4f776a 3035 AV *av;
4f4f776a
TC
3036 SV *sv;
3037 PPCODE:
3038 errors = i_errors();
3039 i = 0;
3040 while (errors[i].msg) {
3041 av = newAV();
3042 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
3043 if (!av_store(av, 0, sv)) {
3044 SvREFCNT_dec(sv);
3045 }
3046 sv = newSViv(errors[i].code);
3047 if (!av_store(av, 1, sv)) {
3048 SvREFCNT_dec(sv);
3049 }
57bbbbe7 3050 XPUSHs(sv_2mortal(newRV_noinc((SV*)av)));
4f4f776a
TC
3051 ++i;
3052 }
02d1d628 3053
2b405c9e
TC
3054void
3055i_clear_error()
3056
3057void
3058i_push_error(code, msg)
3059 int code
3060 const char *msg
3061
e310e5f9 3062undef_int
02d1d628
AMH
3063i_nearest_color(im, ...)
3064 Imager::ImgRaw im
3065 PREINIT:
3066 int num;
8d14daab
TC
3067 i_img_dim *xo;
3068 i_img_dim *yo;
02d1d628
AMH
3069 i_color *ival;
3070 int dmeasure;
3071 int i;
3072 SV *sv;
3073 AV *axx;
3074 AV *ayy;
3075 AV *ac;
3076 CODE:
3077 if (items != 5)
3078 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
3079 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
3080 croak("i_nearest_color: Second argument must be an array ref");
3081 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
3082 croak("i_nearest_color: Third argument must be an array ref");
3083 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
3084 croak("i_nearest_color: Fourth argument must be an array ref");
3085 axx = (AV *)SvRV(ST(1));
3086 ayy = (AV *)SvRV(ST(2));
3087 ac = (AV *)SvRV(ST(3));
3088 dmeasure = (int)SvIV(ST(4));
3089
3090 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
3091 num = num <= av_len(ac) ? num : av_len(ac);
3092 num++;
3093 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
945dff7f
TC
3094 xo = malloc_temp(aTHX_ sizeof(i_img_dim) * num );
3095 yo = malloc_temp(aTHX_ sizeof(i_img_dim) * num );
3096 ival = malloc_temp(aTHX_ sizeof(i_color) * num );
02d1d628 3097 for(i = 0; i<num; i++) {
8d14daab
TC
3098 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
3099 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
02d1d628
AMH
3100 sv = *av_fetch(ac, i, 0);
3101 if ( !sv_derived_from(sv, "Imager::Color") ) {
3102 free(axx); free(ayy); free(ac);
3103 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
3104 }
4c4c2ffd 3105 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
02d1d628 3106 }
e310e5f9
TC
3107 RETVAL = i_nearest_color(im, num, xo, yo, ival, dmeasure);
3108 OUTPUT:
3109 RETVAL
02d1d628
AMH
3110
3111void
3112malloc_state()
3113
02d1d628
AMH
3114void
3115DSO_open(filename)
3116 char* filename
3117 PREINIT:
3118 void *rc;
3119 char *evstr;
3120 PPCODE:
3121 rc=DSO_open(filename,&evstr);
3122 if (rc!=NULL) {
3123 if (evstr!=NULL) {
3124 EXTEND(SP,2);
e375fbd8 3125 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
02d1d628
AMH
3126 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
3127 } else {
3128 EXTEND(SP,1);
e375fbd8 3129 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
02d1d628
AMH
3130 }
3131 }
3132
3133
3134undef_int
3135DSO_close(dso_handle)
3136 void* dso_handle
3137
3138void
3139DSO_funclist(dso_handle_v)
3140 void* dso_handle_v
3141 PREINIT:
3142 int i;
3143 DSO_handle *dso_handle;
d8e0c3ba 3144 func_ptr *functions;
02d1d628
AMH
3145 PPCODE:
3146 dso_handle=(DSO_handle*)dso_handle_v;
d8e0c3ba 3147 functions = DSO_funclist(dso_handle);
02d1d628 3148 i=0;
d8e0c3ba 3149 while( functions[i].name != NULL) {
02d1d628 3150 EXTEND(SP,1);
d8e0c3ba 3151 PUSHs(sv_2mortal(newSVpv(functions[i].name,0)));
02d1d628 3152 EXTEND(SP,1);
d8e0c3ba 3153 PUSHs(sv_2mortal(newSVpv(functions[i++].pcode,0)));
02d1d628
AMH
3154 }
3155
02d1d628
AMH
3156void
3157DSO_call(handle,func_index,hv)
3158 void* handle
3159 int func_index
75cebca8 3160 HV *hv
02d1d628 3161 PPCODE:
02d1d628
AMH
3162 DSO_call( (DSO_handle *)handle,func_index,hv);
3163
befd4be1 3164Imager::Color
f5991c03
TC
3165i_get_pixel(im, x, y)
3166 Imager::ImgRaw im
8d14daab
TC
3167 i_img_dim x
3168 i_img_dim y;
faa9b3e7 3169 CODE:
befd4be1 3170 RETVAL = (i_color *)mymalloc(sizeof(i_color));
2ea4aa42 3171 memset(RETVAL, 0, sizeof(*RETVAL));
befd4be1
TC
3172 if (i_gpix(im, x, y, RETVAL) != 0) {
3173 myfree(RETVAL);
3174 XSRETURN_UNDEF;
faa9b3e7 3175 }
a659442a
TC
3176 OUTPUT:
3177 RETVAL
faa9b3e7
TC
3178
3179
3180int
3181i_ppix(im, x, y, cl)
3182 Imager::ImgRaw im
8d14daab
TC
3183 i_img_dim x
3184 i_img_dim y
faa9b3e7
TC
3185 Imager::Color cl
3186
3187Imager::ImgRaw
3188i_img_pal_new(x, y, channels, maxpal)
8d14daab
TC
3189 i_img_dim x
3190 i_img_dim y
faa9b3e7
TC
3191 int channels
3192 int maxpal
3193
3194Imager::ImgRaw
05f2584a 3195i_img_to_pal(src, quant_hv)
faa9b3e7 3196 Imager::ImgRaw src
05f2584a 3197 HV *quant_hv
faa9b3e7
TC
3198 PREINIT:
3199 HV *hv;
3200 i_quantize quant;
3201 CODE:
faa9b3e7 3202 memset(&quant, 0, sizeof(quant));
ec6d8908 3203 quant.version = 1;
faa9b3e7 3204 quant.mc_size = 256;
a3b721bb
TC
3205 i_clear_error();
3206 if (!ip_handle_quant_opts2(aTHX_ &quant, quant_hv)) {
3207 XSRETURN_EMPTY;
3208 }
faa9b3e7
TC
3209 RETVAL = i_img_to_pal(src, &quant);
3210 if (RETVAL) {
05f2584a 3211 ip_copy_colors_back(aTHX_ quant_hv, &quant);
faa9b3e7 3212 }
ec6d8908 3213 ip_cleanup_quant_opts(aTHX_ &quant);
faa9b3e7
TC
3214 OUTPUT:
3215 RETVAL
3216
3217Imager::ImgRaw
3218i_img_to_rgb(src)
3219 Imager::ImgRaw src
3220
5e9a7fbd
TC
3221void
3222i_img_make_palette(HV *quant_hv, ...)
3223 PREINIT:
3224 size_t count = items - 1;
3225 i_quantize quant;
3226 i_img **imgs = NULL;
3227 ssize_t i;
3228 PPCODE:
3229 if (count <= 0)
3230 croak("Please supply at least one image (%d)", (int)count);
3231 imgs = mymalloc(sizeof(i_img *) * count);
3232 for (i = 0; i < count; ++i) {
3233 SV *img_sv = ST(i + 1);
3234 if (SvROK(img_sv) && sv_derived_from(img_sv, "Imager::ImgRaw")) {
3235 imgs[i] = INT2PTR(i_img *, SvIV((SV*)SvRV(img_sv)));
3236 }
3237 else {
3238 myfree(imgs);
ec2f6280 3239 croak("Image %d is not an image object", (int)i+1);
5e9a7fbd
TC
3240 }
3241 }
3242 memset(&quant, 0, sizeof(quant));
3243 quant.version = 1;
3244 quant.mc_size = 256;
a3b721bb
TC
3245 if (!ip_handle_quant_opts2(aTHX_ &quant, quant_hv)) {
3246 XSRETURN_EMPTY;
3247 }
5e9a7fbd
TC
3248 i_quant_makemap(&quant, imgs, count);
3249 EXTEND(SP, quant.mc_count);
3250 for (i = 0; i < quant.mc_count; ++i) {
3251 SV *sv_c = make_i_color_sv(aTHX_ quant.mc_colors + i);
3252 PUSHs(sv_c);
3253 }
3254 ip_cleanup_quant_opts(aTHX_ &quant);
e906e86a 3255 myfree(imgs);
5e9a7fbd
TC
3256
3257
faa9b3e7
TC
3258void
3259i_gpal(im, l, r, y)
3260 Imager::ImgRaw im
8d14daab
TC
3261 i_img_dim l
3262 i_img_dim r
3263 i_img_dim y
faa9b3e7
TC
3264 PREINIT:
3265 i_palidx *work;
3266 int count, i;
3267 PPCODE:
3268 if (l < r) {
3269 work = mymalloc((r-l) * sizeof(i_palidx));
3270 count = i_gpal(im, l, r, y, work);
3271 if (GIMME_V == G_ARRAY) {
3272 EXTEND(SP, count);
3273 for (i = 0; i < count; ++i) {
3274 PUSHs(sv_2mortal(newSViv(work[i])));
3275 }
3276 }
3277 else {
3278 EXTEND(SP, 1);
26fd367b 3279 PUSHs(sv_2mortal(newSVpv((char *)work, count * sizeof(i_palidx))));
faa9b3e7
TC
3280 }
3281 myfree(work);
3282 }
3283 else {
3284 if (GIMME_V != G_ARRAY) {
3285 EXTEND(SP, 1);
3286 PUSHs(&PL_sv_undef);
3287 }
3288 }
3289
3290int
3291i_ppal(im, l, y, ...)
3292 Imager::ImgRaw im
8d14daab
TC
3293 i_img_dim l
3294 i_img_dim y
faa9b3e7
TC
3295 PREINIT:
3296 i_palidx *work;
ebe9b189 3297 i_img_dim i;
faa9b3e7
TC
3298 CODE:
3299 if (items > 3) {
ebe9b189 3300 work = malloc_temp(aTHX_ sizeof(i_palidx) * (items-3));
faa9b3e7
TC
3301 for (i=0; i < items-3; ++i) {
3302 work[i] = SvIV(ST(i+3));
3303 }
4cda4e76 3304 validate_i_ppal(im, work, items - 3);
faa9b3e7 3305 RETVAL = i_ppal(im, l, l+items-3, y, work);
faa9b3e7
TC
3306 }
3307 else {
3308 RETVAL = 0;
3309 }
3310 OUTPUT:
3311 RETVAL
3312
4cda4e76
TC
3313int
3314i_ppal_p(im, l, y, data)
3315 Imager::ImgRaw im
8d14daab
TC
3316 i_img_dim l
3317 i_img_dim y
4cda4e76
TC
3318 SV *data
3319 PREINIT:
3320 i_palidx const *work;
4cda4e76 3321 STRLEN len;
4cda4e76
TC
3322 CODE:
3323 work = (i_palidx const *)SvPV(data, len);
3324 len /= sizeof(i_palidx);
3325 if (len > 0) {
3326 validate_i_ppal(im, work, len);
3327 RETVAL = i_ppal(im, l, l+len, y, work);
3328 }
3329 else {
3330 RETVAL = 0;
3331 }
3332 OUTPUT:
3333 RETVAL
3334
42505e61 3335SysRet
faa9b3e7
TC
3336i_addcolors(im, ...)
3337 Imager::ImgRaw im
3338 PREINIT:
faa9b3e7
TC
3339 i_color *colors;
3340 int i;
3341 CODE:
3342 if (items < 2)
3343 croak("i_addcolors: no colors to add");
3344 colors = mymalloc((items-1) * sizeof(i_color));
3345 for (i=0; i < items-1; ++i) {
3346 if (sv_isobject(ST(i+1))
3347 && sv_derived_from(ST(i+1), "Imager::Color")) {
3348 IV tmp = SvIV((SV *)SvRV(ST(i+1)));
4c4c2ffd 3349 colors[i] = *INT2PTR(i_color *, tmp);
faa9b3e7
TC
3350 }
3351 else {
3352 myfree(colors);
ca4d914e 3353 croak("i_addcolor: pixels must be Imager::Color objects");
faa9b3e7
TC
3354 }
3355 }
42505e61 3356 RETVAL = i_addcolors(im, colors, items-1);
7d5febef 3357 myfree(colors);
a659442a
TC
3358 OUTPUT:
3359 RETVAL
faa9b3e7 3360
1501d9b3 3361undef_int
faa9b3e7
TC
3362i_setcolors(im, index, ...)
3363 Imager::ImgRaw im
3364 int index
3365 PREINIT:
3366 i_color *colors;
3367 int i;
3368 CODE:
3369 if (items < 3)
3370 croak("i_setcolors: no colors to add");
3371 colors = mymalloc((items-2) * sizeof(i_color));
3372 for (i=0; i < items-2; ++i) {
3373 if (sv_isobject(ST(i+2))
3374 && sv_derived_from(ST(i+2), "Imager::Color")) {
3375 IV tmp = SvIV((SV *)SvRV(ST(i+2)));
4c4c2ffd 3376 colors[i] = *INT2PTR(i_color *, tmp);
faa9b3e7
TC
3377 }
3378 else {
3379 myfree(colors);
3380 croak("i_setcolors: pixels must be Imager::Color objects");
3381 }
3382 }
3383 RETVAL = i_setcolors(im, index, colors, items-2);
3384 myfree(colors);
1501d9b3
TC
3385 OUTPUT:
3386 RETVAL
faa9b3e7
TC
3387
3388void
1592522f 3389i_getcolors(im, index, count=1)
faa9b3e7
TC
3390 Imager::ImgRaw im
3391 int index
1592522f 3392 int count
faa9b3e7
TC
3393 PREINIT:
3394 i_color *colors;
faa9b3e7
TC
3395 int i;
3396 PPCODE:
faa9b3e7
TC
3397 if (count < 1)
3398 croak("i_getcolors: count must be positive");
1592522f 3399 colors = malloc_temp(aTHX_ sizeof(i_color) * count);
faa9b3e7 3400 if (i_getcolors(im, index, colors, count)) {
1592522f 3401 EXTEND(SP, count);
faa9b3e7 3402 for (i = 0; i < count; ++i) {
5e9a7fbd 3403 SV *sv = make_i_color_sv(aTHX_ colors+i);
faa9b3e7
TC
3404 PUSHs(sv);
3405 }
3406 }
faa9b3e7 3407
a659442a 3408undef_neg_int
faa9b3e7
TC
3409i_colorcount(im)
3410 Imager::ImgRaw im
faa9b3e7 3411
a659442a 3412undef_neg_int
faa9b3e7
TC
3413i_maxcolors(im)
3414 Imager::ImgRaw im
faa9b3e7 3415
0862f397 3416i_palidx
faa9b3e7
TC
3417i_findcolor(im, color)
3418 Imager::ImgRaw im
3419 Imager::Color color
faa9b3e7 3420 CODE:
0862f397
TC
3421 if (!i_findcolor(im, color, &RETVAL)) {
3422 XSRETURN_UNDEF;
faa9b3e7 3423 }
a659442a
TC
3424 OUTPUT:
3425 RETVAL
faa9b3e7
TC
3426
3427int
3428i_img_bits(im)
3429 Imager::ImgRaw im
3430
3431int
3432i_img_type(im)
3433 Imager::ImgRaw im
3434
3435int
3436i_img_virtual(im)
3437 Imager::ImgRaw im
3438
3439void
6a9807e8 3440i_gsamp(im, l, r, y, channels)
faa9b3e7 3441 Imager::ImgRaw im
8d14daab
TC
3442 i_img_dim l
3443 i_img_dim r
3444 i_img_dim y
6a9807e8 3445 i_channel_list channels
faa9b3e7 3446 PREINIT:
faa9b3e7 3447 i_sample_t *data;
8d14daab 3448 i_img_dim count, i;
faa9b3e7 3449 PPCODE:
faa9b3e7 3450 if (l < r) {
f37708ce 3451 data = mymalloc(sizeof(i_sample_t) * (r-l) * channels.count);
6a9807e8 3452 count = i_gsamp(im, l, r, y, data, channels.channels, channels.count);
faa9b3e7
TC
3453 if (GIMME_V == G_ARRAY) {
3454 EXTEND(SP, count);
3455 for (i = 0; i < count; ++i)
3456 PUSHs(sv_2mortal(newSViv(data[i])));
3457 }
3458 else {
3459 EXTEND(SP, 1);
26fd367b 3460 PUSHs(sv_2mortal(newSVpv((char *)data, count * sizeof(i_sample_t))));
faa9b3e7 3461 }
a73aeb5f 3462 myfree(data);
faa9b3e7
TC
3463 }
3464 else {
3465 if (GIMME_V != G_ARRAY) {
f37708ce 3466 XSRETURN_UNDEF;
faa9b3e7
TC
3467 }
3468 }
3469
bd8052a6 3470undef_neg_int
6a9807e8 3471i_gsamp_bits(im, l, r, y, bits, target, offset, channels)
bd8052a6 3472 Imager::ImgRaw im
8d14daab
TC
3473 i_img_dim l
3474 i_img_dim r
3475 i_img_dim y
bd8052a6
TC
3476 int bits
3477 AV *target
8d14daab 3478 STRLEN offset
6a9807e8 3479 i_channel_list channels
bd8052a6 3480 PREINIT:
bd8052a6 3481 unsigned *data;
8d14daab 3482 i_img_dim count, i;
bd8052a6
TC
3483 CODE:
3484 i_clear_error();
3485 if (items < 8)
3486 croak("No channel numbers supplied to g_samp()");
3487 if (l < r) {
6a9807e8
TC
3488 data = mymalloc(sizeof(unsigned) * (r-l) * channels.count);
3489 count = i_gsamp_bits(im, l, r, y, data, channels.channels, channels.count, bits);
bd8052a6
TC
3490 for (i = 0; i < count; ++i) {
3491 av_store(target, i+offset, newSVuv(data[i]));
3492 }
3493 myfree(data);
3494 RETVAL = count;
3495 }
3496 else {
3497 RETVAL = 0;
3498 }
3499 OUTPUT:
3500 RETVAL
3501
3502undef_neg_int
6a9807e8 3503i_psamp_bits(im, l, y, bits, channels, data_av, data_offset = 0, pixel_count = -1)
bd8052a6 3504 Imager::ImgRaw im
8d14daab
TC
3505 i_img_dim l
3506 i_img_dim y
bd8052a6 3507 int bits
6a9807e8 3508 i_channel_list channels
bd8052a6 3509 AV *data_av
848b7f32
TC
3510 i_img_dim data_offset
3511 i_img_dim pixel_count
bd8052a6 3512 PREINIT:
8d14daab
TC
3513 STRLEN data_count;
3514 size_t data_used;
bd8052a6 3515 unsigned *data;
8d14daab 3516 ptrdiff_t i;
bd8052a6
TC
3517 CODE:
3518 i_clear_error();
bd8052a6
TC
3519
3520 data_count = av_len(data_av) + 1;
3521 if (data_offset < 0) {
848b7f32 3522 croak("data_offset must be non-negative");
bd8052a6
TC
3523 }
3524 if (data_offset > data_count) {
3525 croak("data_offset greater than number of samples supplied");
3526 }
3527 if (pixel_count == -1 ||
6a9807e8
TC
3528 data_offset + pixel_count * channels.count > data_count) {
3529 pixel_count = (data_count - data_offset) / channels.count;
bd8052a6
TC
3530 }
3531
6a9807e8 3532 data_used = pixel_count * channels.count;
bd8052a6
TC
3533 data = mymalloc(sizeof(unsigned) * data_count);
3534 for (i = 0; i < data_used; ++i)
3535 data[i] = SvUV(*av_fetch(data_av, data_offset + i, 0));
3536
6a9807e8
TC
3537 RETVAL = i_psamp_bits(im, l, l + pixel_count, y, data, channels.channels,
3538 channels.count, bits);
bd8052a6
TC
3539
3540 if (data)
3541 myfree(data);
bd8052a6
TC
3542 OUTPUT:
3543 RETVAL
a73aeb5f 3544
48b9a7bf 3545undef_neg_int
848b7f32 3546i_psamp(im, x, y, channels, data, offset = 0, width = -1)
48b9a7bf
TC
3547 Imager::ImgRaw im
3548 i_img_dim x
3549 i_img_dim y
3550 i_channel_list channels
3551 i_sample_list data
848b7f32
TC
3552 i_img_dim offset
3553 i_img_dim width
48b9a7bf
TC
3554 PREINIT:
3555 i_img_dim r;
3556 CODE:
48b9a7bf 3557 i_clear_error();
848b7f32
TC
3558 if (offset < 0) {
3559 i_push_error(0, "offset must be non-negative");
3560 XSRETURN_UNDEF;
3561 }
3562 if (offset > 0) {
3563 if (offset > data.count) {
3564 i_push_error(0, "offset greater than number of samples supplied");
3565 XSRETURN_UNDEF;
3566 }
3567 data.samples += offset;
3568 data.count -= offset;
3569 }
3570 if (width == -1 ||
3571 width * channels.count > data.count) {
3572 width = data.count / channels.count;
3573 }
3574 r = x + width;
48b9a7bf
TC
3575 RETVAL = i_psamp(im, x, r, y, data.samples, channels.channels, channels.count);
3576 OUTPUT:
3577 RETVAL
3578
3579undef_neg_int
848b7f32 3580i_psampf(im, x, y, channels, data, offset = 0, width = -1)
48b9a7bf
TC
3581 Imager::ImgRaw im
3582 i_img_dim x
3583 i_img_dim y
3584 i_channel_list channels
3585 i_fsample_list data
848b7f32
TC
3586 i_img_dim offset
3587 i_img_dim width
48b9a7bf
TC
3588 PREINIT:
3589 i_img_dim r;
3590 CODE:
48b9a7bf 3591 i_clear_error();
848b7f32
TC
3592 if (offset < 0) {
3593 i_push_error(0, "offset must be non-negative");
3594 XSRETURN_UNDEF;
3595 }
3596 if (offset > 0) {
3597 if (offset > data.count) {
3598 i_push_error(0, "offset greater than number of samples supplied");
3599 XSRETURN_UNDEF;
3600 }
3601 data.samples += offset;
3602 data.count -= offset;
3603 }
3604 if (width == -1 ||
3605 width * channels.count > data.count) {
3606 width = data.count / channels.count;
3607 }
3608 r = x + width;
48b9a7bf
TC
3609 RETVAL = i_psampf(im, x, r, y, data.samples, channels.channels, channels.count);
3610 OUTPUT:
3611 RETVAL
3612
faa9b3e7
TC
3613Imager::ImgRaw
3614i_img_masked_new(targ, mask, x, y, w, h)
3615 Imager::ImgRaw targ
8d14daab
TC
3616 i_img_dim x
3617 i_img_dim y
3618 i_img_dim w
3619 i_img_dim h
faa9b3e7
TC
3620 PREINIT:
3621 i_img *mask;
3622 CODE:
3623 if (SvOK(ST(1))) {
3624 if (!sv_isobject(ST(1))
3625 || !sv_derived_from(ST(1), "Imager::ImgRaw")) {
3626 croak("i_img_masked_new: parameter 2 must undef or an image");
3627 }
4c4c2ffd 3628 mask = INT2PTR(i_img *, SvIV((SV *)SvRV(ST(1))));
faa9b3e7
TC
3629 }
3630 else
3631 mask = NULL;
3632 RETVAL = i_img_masked_new(targ, mask, x, y, w, h);
3633 OUTPUT:
3634 RETVAL
3635
3636int
3637i_plin(im, l, y, ...)
3638 Imager::ImgRaw im
8d14daab
TC
3639 i_img_dim l
3640 i_img_dim y
faa9b3e7
TC
3641 PREINIT:
3642 i_color *work;
8d14daab 3643 STRLEN i;
ca4d914e 3644 STRLEN len;
8d14daab 3645 size_t count;
faa9b3e7
TC
3646 CODE:
3647 if (items > 3) {
ca4d914e
TC
3648 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3649 /* supplied as a byte string */
3650 work = (i_color *)SvPV(ST(3), len);
3651 count = len / sizeof(i_color);
3652 if (count * sizeof(i_color) != len) {
3653 croak("i_plin: length of scalar argument must be multiple of sizeof i_color");
faa9b3e7 3654 }
ca4d914e
TC
3655 RETVAL = i_plin(im, l, l+count, y, work);
3656 }
3657 else {
3658 work = mymalloc(sizeof(i_color) * (items-3));
3659 for (i=0; i < items-3; ++i) {
3660 if (sv_isobject(ST(i+3))
3661 && sv_derived_from(ST(i+3), "Imager::Color")) {
3662 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3663 work[i] = *INT2PTR(i_color *, tmp);
3664 }
3665 else {
3666 myfree(work);
3667 croak("i_plin: pixels must be Imager::Color objects");
3668 }
faa9b3e7 3669 }
ca4d914e
TC
3670 RETVAL = i_plin(im, l, l+items-3, y, work);
3671 myfree(work);
faa9b3e7 3672 }
faa9b3e7
TC
3673 }
3674 else {
3675 RETVAL = 0;
3676 }
3677 OUTPUT:
3678 RETVAL
3679
3680int
3681i_ppixf(im, x, y, cl)
3682 Imager::ImgRaw im
8d14daab
TC
3683 i_img_dim x
3684 i_img_dim y
faa9b3e7
TC
3685 Imager::Color::Float cl
3686
3687void
6a9807e8 3688i_gsampf(im, l, r, y, channels)
faa9b3e7 3689 Imager::ImgRaw im
8d14daab
TC
3690 i_img_dim l
3691 i_img_dim r
3692 i_img_dim y
6a9807e8 3693 i_channel_list channels
faa9b3e7 3694 PREINIT:
faa9b3e7 3695 i_fsample_t *data;
8d14daab 3696 i_img_dim count, i;
faa9b3e7 3697 PPCODE:
faa9b3e7 3698 if (l < r) {
6a9807e8
TC
3699 data = mymalloc(sizeof(i_fsample_t) * (r-l) * channels.count);
3700 count = i_gsampf(im, l, r, y, data, channels.channels, channels.count);
faa9b3e7
TC
3701 if (GIMME_V == G_ARRAY) {
3702 EXTEND(SP, count);
3703 for (i = 0; i < count; ++i)
3704 PUSHs(sv_2mortal(newSVnv(data[i])));
3705 }
3706 else {
3707 EXTEND(SP, 1);
3708 PUSHs(sv_2mortal(newSVpv((void *)data, count * sizeof(i_fsample_t))));
3709 }
3631271b 3710 myfree(data);
faa9b3e7
TC
3711 }
3712 else {
3713 if (GIMME_V != G_ARRAY) {
5736f588 3714 XSRETURN_UNDEF;
faa9b3e7
TC
3715 }
3716 }
3717
3718int
3719i_plinf(im, l, y, ...)
3720 Imager::ImgRaw im
8d14daab
TC
3721 i_img_dim l
3722 i_img_dim y
faa9b3e7
TC
3723 PREINIT:
3724 i_fcolor *work;
8d14daab 3725 i_img_dim i;
ca4d914e 3726 STRLEN len;
8d14daab 3727 size_t count;
faa9b3e7
TC
3728 CODE:
3729 if (items > 3) {
ca4d914e
TC
3730 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3731 /* supplied as a byte string */
3732 work = (i_fcolor *)SvPV(ST(3), len);
3733 count = len / sizeof(i_fcolor);
3734 if (count * sizeof(i_fcolor) != len) {
3735 croak("i_plin: length of scalar argument must be multiple of sizeof i_fcolor");
faa9b3e7 3736 }
ca4d914e
TC
3737 RETVAL = i_plinf(im, l, l+count, y, work);
3738 }
3739 else {
3740 work = mymalloc(sizeof(i_fcolor) * (items-3));
3741 for (i=0; i < items-3; ++i) {
3742 if (sv_isobject(ST(i+3))
3743 && sv_derived_from(ST(i+3), "Imager::Color::Float")) {
3744 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3745 work[i] = *INT2PTR(i_fcolor *, tmp);
3746 }
3747 else {
3748 myfree(work);
3749 croak("i_plinf: pixels must be Imager::Color::Float objects");
3750 }
faa9b3e7 3751 }
ca4d914e
TC
3752 /**(char *)0 = 1;*/
3753 RETVAL = i_plinf(im, l, l+items-3, y, work);
3754 myfree(work);
faa9b3e7 3755 }
faa9b3e7
TC
3756 }
3757 else {
3758 RETVAL = 0;
3759 }
3760 OUTPUT:
3761 RETVAL
3762
73d80423 3763Imager::Color::Float
faa9b3e7
TC
3764i_gpixf(im, x, y)
3765 Imager::ImgRaw im
8d14daab
TC
3766 i_img_dim x
3767 i_img_dim y;
faa9b3e7 3768 CODE:
73d80423 3769 RETVAL = (i_fcolor *)mymalloc(sizeof(i_fcolor));
2ea4aa42 3770 memset(RETVAL, 0, sizeof(*RETVAL));
73d80423
TC
3771 if (i_gpixf(im, x, y, RETVAL) != 0) {
3772 myfree(RETVAL);
3773 XSRETURN_UNDEF;
faa9b3e7 3774 }
a659442a
TC
3775 OUTPUT:
3776 RETVAL
3777
faa9b3e7
TC
3778void
3779i_glin(im, l, r, y)
3780 Imager::ImgRaw im
8d14daab
TC
3781 i_img_dim l
3782 i_img_dim r
3783 i_img_dim y
faa9b3e7
TC
3784 PREINIT:
3785 i_color *vals;
8d14daab 3786 i_img_dim count, i;
faa9b3e7
TC
3787 PPCODE:
3788 if (l < r) {
3789 vals = mymalloc((r-l) * sizeof(i_color));
b3aa972f 3790 memset(vals, 0, (r-l) * sizeof(i_color));
faa9b3e7 3791 count = i_glin(im, l, r, y, vals);
ca4d914e
TC
3792 if (GIMME_V == G_ARRAY) {
3793 EXTEND(SP, count);
3794 for (i = 0; i < count; ++i) {
5e9a7fbd 3795 SV *sv = make_i_color_sv(aTHX_ vals+i);
ca4d914e
TC
3796 PUSHs(sv);
3797 }
3798 }
3799 else if (count) {
3800 EXTEND(SP, 1);
3801 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_color))));
faa9b3e7
TC
3802 }
3803 myfree(vals);
3804 }
3805
3806void
3807i_glinf(im, l, r, y)
3808 Imager::ImgRaw im
8d14daab
TC
3809 i_img_dim l
3810 i_img_dim r
3811 i_img_dim y
faa9b3e7
TC
3812 PREINIT:
3813 i_fcolor *vals;
8d14daab 3814 i_img_dim count, i;
919e0000 3815 i_fcolor zero;
faa9b3e7 3816 PPCODE:
919e0000
TC
3817 for (i = 0; i < MAXCHANNELS; ++i)
3818 zero.channel[i] = 0;
faa9b3e7
TC
3819 if (l < r) {
3820 vals = mymalloc((r-l) * sizeof(i_fcolor));
b3aa972f
TC
3821 for (i = 0; i < r-l; ++i)
3822 vals[i] = zero;
faa9b3e7 3823 count = i_glinf(im, l, r, y, vals);
ca4d914e
TC
3824 if (GIMME_V == G_ARRAY) {
3825 EXTEND(SP, count);
3826 for (i = 0; i < count; ++i) {
3827 SV *sv;
3828 i_fcolor *col = mymalloc(sizeof(i_fcolor));
3829 *col = vals[i];
3830 sv = sv_newmortal();
3831 sv_setref_pv(sv, "Imager::Color::Float", (void *)col);
3832 PUSHs(sv);
3833 }
3834 }
3835 else if (count) {
3836 EXTEND(SP, 1);
3837 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_fcolor))));
faa9b3e7
TC
3838 }
3839 myfree(vals);
3840 }
3841
bdd4c63b
TC
3842Imager::ImgRaw
3843i_img_8_new(x, y, ch)
3844 i_img_dim x
3845 i_img_dim y
3846 int ch
3847
faa9b3e7
TC
3848Imager::ImgRaw
3849i_img_16_new(x, y, ch)
8d14daab
TC
3850 i_img_dim x
3851 i_img_dim y
faa9b3e7
TC
3852 int ch
3853
167660cd
TC
3854Imager::ImgRaw
3855i_img_to_rgb16(im)
3856 Imager::ImgRaw im
3857
365ea842
TC
3858Imager::ImgRaw
3859i_img_double_new(x, y, ch)
8d14daab
TC
3860 i_img_dim x
3861 i_img_dim y
365ea842
TC
3862 int ch
3863
bfe6ba3f
TC
3864Imager::ImgRaw
3865i_img_to_drgb(im)
3866 Imager::ImgRaw im
3867
faa9b3e7 3868undef_int
b9e2571f 3869i_tags_addn(im, name_sv, code, idata)
faa9b3e7 3870 Imager::ImgRaw im
b9e2571f 3871 SV *name_sv
faa9b3e7
TC
3872 int code
3873 int idata
3874 PREINIT:
3875 char *name;
3876 STRLEN len;
3877 CODE:
b9e2571f
TC
3878 SvGETMAGIC(name_sv);
3879 if (SvOK(name_sv))
3880 name = SvPV_nomg(name_sv, len);
faa9b3e7
TC
3881 else
3882 name = NULL;
3883 RETVAL = i_tags_addn(&im->tags, name, code, idata);
3884 OUTPUT:
3885 RETVAL
3886
3887undef_int
a4da28d7 3888i_tags_add(im, name_sv, code, data_sv, idata)
faa9b3e7 3889 Imager::ImgRaw im
a4da28d7 3890 SV *name_sv
faa9b3e7 3891 int code
a4da28d7 3892 SV *data_sv
faa9b3e7
TC
3893 int idata
3894 PREINIT:
3895 char *name;
3896 char *data;
3897 STRLEN len;
3898 CODE:
a4da28d7
TC
3899 SvGETMAGIC(name_sv);
3900 if (SvOK(name_sv))
3901 name = SvPV_nomg(name_sv, len);
faa9b3e7
TC
3902 else
3903 name = NULL;
a4da28d7
TC
3904 SvGETMAGIC(data_sv);
3905 if (SvOK(data_sv))
3906 data = SvPV(data_sv, len);
faa9b3e7
TC
3907 else {
3908 data = NULL;
3909 len = 0;
3910 }
3911 RETVAL = i_tags_add(&im->tags, name, code, data, len, idata);
3912 OUTPUT:
3913 RETVAL
3914
f4aca831 3915SysRet
faa9b3e7
TC
3916i_tags_find(im, name, start)
3917 Imager::ImgRaw im
3918 char *name
3919 int start
3920 PREINIT:
3921 int entry;
3922 CODE:
3923 if (i_tags_find(&im->tags, name, start, &entry)) {
f4aca831 3924 RETVAL = entry;
faa9b3e7 3925 } else {
f4aca831 3926 XSRETURN_UNDEF;
faa9b3e7 3927 }
a659442a
TC
3928 OUTPUT:
3929 RETVAL
faa9b3e7 3930
f4aca831 3931SysRet
faa9b3e7
TC
3932i_tags_findn(im, code, start)
3933 Imager::ImgRaw im
3934 int code
3935 int start