refer to the right test
[imager.git] / Imager.xs
CommitLineData
02d1d628
AMH
1#ifdef __cplusplus
2extern "C" {
3#endif
4#include "EXTERN.h"
5#include "perl.h"
6#include "XSUB.h"
7#include "ppport.h"
8#ifdef __cplusplus
9
10#endif
11
12#include "image.h"
13#include "feat.h"
14#include "dynaload.h"
15#include "regmach.h"
16
17typedef io_glue* Imager__IO;
18typedef i_color* Imager__Color;
19typedef i_img* Imager__ImgRaw;
20
21
22#ifdef HAVE_LIBTT
23typedef TT_Fonthandle* Imager__TTHandle;
24#endif
25
26typedef struct i_reader_data_tag
27{
28 /* presumably a CODE ref or name of a sub */
29 SV *sv;
30} i_reader_data;
31
32/* used by functions that want callbacks */
33static int read_callback(char *userdata, char *buffer, int need, int want) {
34 i_reader_data *rd = (i_reader_data *)userdata;
35 int count;
36 int result;
37 SV *data;
38 dSP; dTARG = sv_newmortal();
39 /* thanks to Simon Cozens for help with the dTARG above */
40
41 ENTER;
42 SAVETMPS;
43 EXTEND(SP, 2);
44 PUSHMARK(SP);
45 PUSHi(want);
46 PUSHi(need);
47 PUTBACK;
48
49 count = perl_call_sv(rd->sv, G_SCALAR);
50
51 SPAGAIN;
52
53 if (count != 1)
54 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
55
56 data = POPs;
57
58 if (SvOK(data)) {
59 STRLEN len;
60 char *ptr = SvPV(data, len);
61 if (len > want)
62 croak("Too much data returned in reader callback");
63
64 memcpy(buffer, ptr, len);
65 result = len;
66 }
67 else {
68 result = -1;
69 }
70
71 PUTBACK;
72 FREETMPS;
73 LEAVE;
74
75 return result;
76}
77
78typedef struct
79{
80 SV *sv; /* a coderef or sub name */
81} i_writer_data;
82
83/* used by functions that want callbacks */
84static int write_callback(char *userdata, char const *data, int size) {
85 i_writer_data *wd = (i_writer_data *)userdata;
86 int count;
87 int success;
88 SV *sv;
89 dSP;
90
91 ENTER;
92 SAVETMPS;
93 EXTEND(SP, 1);
94 PUSHMARK(SP);
95 XPUSHs(sv_2mortal(newSVpv((char *)data, size)));
96 PUTBACK;
97
98 count = perl_call_sv(wd->sv, G_SCALAR);
99
100 SPAGAIN;
101
102 if (count != 1)
103 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
104
105 sv = POPs;
106 success = SvTRUE(sv);
107
108
109 PUTBACK;
110 FREETMPS;
111 LEAVE;
112
113 return success;
114}
115
116struct value_name {
117 char *name;
118 int value;
119};
120static int lookup_name(struct value_name *names, int count, char *name, int def_value)
121{
122 int i;
123 for (i = 0; i < count; ++i)
124 if (strEQ(names[i].name, name))
125 return names[i].value;
126
127 return def_value;
128}
129static struct value_name transp_names[] =
130{
131 { "none", tr_none },
132 { "threshold", tr_threshold },
133 { "errdiff", tr_errdiff },
134 { "ordered", tr_ordered, },
135};
136
137static struct value_name make_color_names[] =
138{
139 { "none", mc_none, },
140 { "webmap", mc_web_map, },
141 { "addi", mc_addi, },
142};
143
144static struct value_name translate_names[] =
145{
146#ifdef HAVE_LIBGIF
147 { "giflib", pt_giflib, },
148#endif
149 { "closest", pt_closest, },
150 { "perturb", pt_perturb, },
151 { "errdiff", pt_errdiff, },
152};
153
154static struct value_name errdiff_names[] =
155{
156 { "floyd", ed_floyd, },
157 { "jarvis", ed_jarvis, },
158 { "stucki", ed_stucki, },
159 { "custom", ed_custom, },
160};
161
162static struct value_name orddith_names[] =
163{
164 { "random", od_random, },
165 { "dot8", od_dot8, },
166 { "dot4", od_dot4, },
167 { "hline", od_hline, },
168 { "vline", od_vline, },
169 { "/line", od_slashline, },
170 { "slashline", od_slashline, },
171 { "\\line", od_backline, },
172 { "backline", od_backline, },
e7d4ea82 173 { "tiny", od_tiny, },
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174 { "custom", od_custom, },
175};
176
177/* look through the hash for quantization options */
178static void handle_quant_opts(i_quantize *quant, HV *hv)
179{
180 /*** POSSIBLY BROKEN: do I need to unref the SV from hv_fetch ***/
181 SV **sv;
182 int i;
183 STRLEN len;
184 char *str;
185
186 sv = hv_fetch(hv, "transp", 6, 0);
187 if (sv && *sv && (str = SvPV(*sv, len))) {
188 quant->transp =
189 lookup_name(transp_names, sizeof(transp_names)/sizeof(*transp_names),
190 str, tr_none);
191 if (quant->transp != tr_none) {
192 quant->tr_threshold = 127;
193 sv = hv_fetch(hv, "tr_threshold", 12, 0);
194 if (sv && *sv)
195 quant->tr_threshold = SvIV(*sv);
196 }
197 if (quant->transp == tr_errdiff) {
198 sv = hv_fetch(hv, "tr_errdiff", 10, 0);
199 if (sv && *sv && (str = SvPV(*sv, len)))
200 quant->tr_errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
201 }
202 if (quant->transp == tr_ordered) {
e7d4ea82 203 quant->tr_orddith = od_tiny;
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204 sv = hv_fetch(hv, "tr_orddith", 10, 0);
205 if (sv && *sv && (str = SvPV(*sv, len)))
206 quant->tr_orddith = lookup_name(orddith_names, sizeof(orddith_names)/sizeof(*orddith_names), str, od_random);
207
208 if (quant->tr_orddith == od_custom) {
209 sv = hv_fetch(hv, "tr_map", 6, 0);
210 if (sv && *sv && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
211 AV *av = (AV*)SvRV(*sv);
212 len = av_len(av) + 1;
213 if (len > sizeof(quant->tr_custom))
214 len = sizeof(quant->tr_custom);
215 for (i = 0; i < len; ++i) {
216 SV **sv2 = av_fetch(av, i, 0);
217 if (sv2 && *sv2) {
218 quant->tr_custom[i] = SvIV(*sv2);
219 }
220 }
221 while (i < sizeof(quant->tr_custom))
222 quant->tr_custom[i++] = 0;
223 }
224 }
225 }
226 }
227 quant->make_colors = mc_addi;
228 sv = hv_fetch(hv, "make_colors", 11, 0);
229 if (sv && *sv && (str = SvPV(*sv, len))) {
230 quant->make_colors =
231 lookup_name(make_color_names, sizeof(make_color_names)/sizeof(*make_color_names), str, mc_addi);
232 }
233 sv = hv_fetch(hv, "colors", 6, 0);
234 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
235 /* needs to be an array of Imager::Color
236 note that the caller allocates the mc_color array and sets mc_size
237 to it's size */
238 AV *av = (AV *)SvRV(*sv);
239 quant->mc_count = av_len(av)+1;
240 if (quant->mc_count > quant->mc_size)
241 quant->mc_count = quant->mc_size;
242 for (i = 0; i < quant->mc_count; ++i) {
243 SV **sv1 = av_fetch(av, i, 0);
244 if (sv1 && *sv1 && SvROK(*sv1) && sv_derived_from(*sv1, "Imager::Color")) {
245 i_color *col = (i_color *)SvIV((SV*)SvRV(*sv1));
246 quant->mc_colors[i] = *col;
247 }
248 }
249 }
250 sv = hv_fetch(hv, "max_colors", 10, 0);
251 if (sv && *sv) {
252 i = SvIV(*sv);
253 if (i <= quant->mc_size && i >= quant->mc_count)
254 quant->mc_size = i;
255 }
256
257 quant->translate = pt_closest;
258 sv = hv_fetch(hv, "translate", 9, 0);
259 if (sv && *sv && (str = SvPV(*sv, len))) {
260 quant->translate = lookup_name(translate_names, sizeof(translate_names)/sizeof(*translate_names), str, pt_closest);
261 }
262 sv = hv_fetch(hv, "errdiff", 7, 0);
263 if (sv && *sv && (str = SvPV(*sv, len))) {
264 quant->errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
265 }
266 if (quant->translate == pt_errdiff && quant->errdiff == ed_custom) {
267 /* get the error diffusion map */
268 sv = hv_fetch(hv, "errdiff_width", 13, 0);
269 if (sv && *sv)
270 quant->ed_width = SvIV(*sv);
271 sv = hv_fetch(hv, "errdiff_height", 14, 0);
272 if (sv && *sv)
273 quant->ed_height = SvIV(*sv);
274 sv = hv_fetch(hv, "errdiff_orig", 12, 0);
275 if (sv && *sv)
276 quant->ed_orig = SvIV(*sv);
277 if (quant->ed_width > 0 && quant->ed_height > 0) {
278 int sum = 0;
279 quant->ed_map = mymalloc(sizeof(int)*quant->ed_width*quant->ed_height);
280 sv = hv_fetch(hv, "errdiff_map", 11, 0);
281 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
282 AV *av = (AV*)SvRV(*sv);
283 len = av_len(av) + 1;
284 if (len > quant->ed_width * quant->ed_height)
285 len = quant->ed_width * quant->ed_height;
286 for (i = 0; i < len; ++i) {
287 SV **sv2 = av_fetch(av, i, 0);
288 if (sv2 && *sv2) {
289 quant->ed_map[i] = SvIV(*sv2);
290 sum += quant->ed_map[i];
291 }
292 }
293 }
294 if (!sum) {
295 /* broken map */
296 myfree(quant->ed_map);
297 quant->ed_map = 0;
298 quant->errdiff = ed_floyd;
299 }
300 }
301 }
302 sv = hv_fetch(hv, "perturb", 7, 0);
303 if (sv && *sv)
304 quant->perturb = SvIV(*sv);
305}
306
307/* look through the hash for options to add to opts */
308static void handle_gif_opts(i_gif_opts *opts, HV *hv)
309{
310 /*** FIXME: POSSIBLY BROKEN: do I need to unref the SV from hv_fetch? ***/
311 SV **sv;
312 int i;
313 /**((char *)0) = '\0';*/
314 sv = hv_fetch(hv, "gif_each_palette", 16, 0);
315 if (sv && *sv)
316 opts->each_palette = SvIV(*sv);
317 sv = hv_fetch(hv, "interlace", 9, 0);
318 if (sv && *sv)
319 opts->interlace = SvIV(*sv);
320 sv = hv_fetch(hv, "gif_delays", 10, 0);
321 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
322 AV *av = (AV*)SvRV(*sv);
323 opts->delay_count = av_len(av)+1;
324 opts->delays = mymalloc(sizeof(int) * opts->delay_count);
325 for (i = 0; i < opts->delay_count; ++i) {
326 SV *sv1 = *av_fetch(av, i, 0);
327 opts->delays[i] = SvIV(sv1);
328 }
329 }
330 sv = hv_fetch(hv, "gif_user_input", 14, 0);
331 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
332 AV *av = (AV*)SvRV(*sv);
333 opts->user_input_count = av_len(av)+1;
334 opts->user_input_flags = mymalloc(opts->user_input_count);
335 for (i = 0; i < opts->user_input_count; ++i) {
336 SV *sv1 = *av_fetch(av, i, 0);
337 opts->user_input_flags[i] = SvIV(sv1) != 0;
338 }
339 }
340 sv = hv_fetch(hv, "gif_disposal", 12, 0);
341 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
342 AV *av = (AV*)SvRV(*sv);
343 opts->disposal_count = av_len(av)+1;
344 opts->disposal = mymalloc(opts->disposal_count);
345 for (i = 0; i < opts->disposal_count; ++i) {
346 SV *sv1 = *av_fetch(av, i, 0);
347 opts->disposal[i] = SvIV(sv1);
348 }
349 }
350 sv = hv_fetch(hv, "gif_tran_color", 14, 0);
351 if (sv && *sv && SvROK(*sv) && sv_derived_from(*sv, "Imager::Color")) {
352 i_color *col = (i_color *)SvIV((SV *)SvRV(*sv));
353 opts->tran_color = *col;
354 }
355 sv = hv_fetch(hv, "gif_positions", 13, 0);
356 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
357 AV *av = (AV *)SvRV(*sv);
358 opts->position_count = av_len(av) + 1;
359 opts->positions = mymalloc(sizeof(i_gif_pos) * opts->position_count);
360 for (i = 0; i < opts->position_count; ++i) {
361 SV **sv2 = av_fetch(av, i, 0);
362 opts->positions[i].x = opts->positions[i].y = 0;
363 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
364 AV *av2 = (AV*)SvRV(*sv2);
365 SV **sv3;
366 sv3 = av_fetch(av2, 0, 0);
367 if (sv3 && *sv3)
368 opts->positions[i].x = SvIV(*sv3);
369 sv3 = av_fetch(av2, 1, 0);
370 if (sv3 && *sv3)
371 opts->positions[i].y = SvIV(*sv3);
372 }
373 }
374 }
375 /* Netscape2.0 loop count extension */
376 sv = hv_fetch(hv, "gif_loop_count", 14, 0);
377 if (sv && *sv)
378 opts->loop_count = SvIV(*sv);
379}
380
381/* copies the color map from the hv into the colors member of the HV */
382static void copy_colors_back(HV *hv, i_quantize *quant) {
383 SV **sv;
384 AV *av;
385 int i;
386 SV *work;
387
388 sv = hv_fetch(hv, "colors", 6, 0);
389 if (!sv || !*sv || !SvROK(*sv) || SvTYPE(SvRV(*sv)) != SVt_PVAV) {
390 SV *ref;
391 av = newAV();
392 ref = newRV_inc((SV*) av);
393 sv = hv_store(hv, "colors", 6, ref, 0);
394 }
395 else {
396 av = (AV *)SvRV(*sv);
397 }
398 av_extend(av, quant->mc_count+1);
399 for (i = 0; i < quant->mc_count; ++i) {
400 i_color *in = quant->mc_colors+i;
401 Imager__Color c = ICL_new_internal(in->rgb.r, in->rgb.g, in->rgb.b, 255);
402 work = sv_newmortal();
403 sv_setref_pv(work, "Imager::Color", (void *)c);
404 SvREFCNT_inc(work);
405 if (!av_store(av, i, work)) {
406 SvREFCNT_dec(work);
407 }
408 }
409}
410
02d1d628
AMH
411MODULE = Imager PACKAGE = Imager::Color PREFIX = ICL_
412
413Imager::Color
414ICL_new_internal(r,g,b,a)
415 unsigned char r
416 unsigned char g
417 unsigned char b
418 unsigned char a
419
420void
421ICL_DESTROY(cl)
422 Imager::Color cl
423
424
29106a11 425void
02d1d628
AMH
426ICL_set_internal(cl,r,g,b,a)
427 Imager::Color cl
428 unsigned char r
429 unsigned char g
430 unsigned char b
431 unsigned char a
29106a11 432 PPCODE:
46062ab6 433 ICL_set_internal(cl, r, g, b, a);
29106a11
TC
434 EXTEND(SP, 1);
435 PUSHs(ST(0));
02d1d628
AMH
436
437void
438ICL_info(cl)
439 Imager::Color cl
440
441
442void
443ICL_rgba(cl)
444 Imager::Color cl
445 PPCODE:
446 EXTEND(SP, 4);
447 PUSHs(sv_2mortal(newSVnv(cl->rgba.r)));
448 PUSHs(sv_2mortal(newSVnv(cl->rgba.g)));
449 PUSHs(sv_2mortal(newSVnv(cl->rgba.b)));
450 PUSHs(sv_2mortal(newSVnv(cl->rgba.a)));
451
452
453
454
455
456
457
458MODULE = Imager PACKAGE = Imager::ImgRaw PREFIX = IIM_
459
460Imager::ImgRaw
461IIM_new(x,y,ch)
462 int x
463 int y
464 int ch
465
466void
467IIM_DESTROY(im)
468 Imager::ImgRaw im
469
470
471
472MODULE = Imager PACKAGE = Imager
473
474PROTOTYPES: ENABLE
475
476
477Imager::IO
478io_new_fd(fd)
479 int fd
480
481Imager::IO
482io_new_bufchain()
483
484
485void
486io_slurp(ig)
487 Imager::IO ig
488 PREINIT:
489 unsigned char* data;
490 size_t tlength;
491 SV* r;
492 PPCODE:
493 data = NULL;
494 tlength = io_slurp(ig, &data);
495 r = sv_newmortal();
496 EXTEND(SP,1);
497 PUSHs(sv_2mortal(newSVpv(data,tlength)));
498 myfree(data);
499
500
501
502void
503i_list_formats()
504 PREINIT:
505 char* item;
506 int i;
507 PPCODE:
508 i=0;
509 while( (item=i_format_list[i++]) != NULL ) {
510 EXTEND(SP, 1);
511 PUSHs(sv_2mortal(newSVpv(item,0)));
512 }
513
514undef_int
515i_has_format(frmt)
516 char* frmt
517
518Imager::ImgRaw
519i_img_new()
520
521Imager::ImgRaw
522i_img_empty(im,x,y)
523 Imager::ImgRaw im
524 int x
525 int y
526
527Imager::ImgRaw
528i_img_empty_ch(im,x,y,ch)
529 Imager::ImgRaw im
530 int x
531 int y
532 int ch
533
534void
535init_log(name,level)
536 char* name
537 int level
538
539void
540i_img_exorcise(im)
541 Imager::ImgRaw im
542
543void
544i_img_destroy(im)
545 Imager::ImgRaw im
546
547void
548i_img_info(im)
549 Imager::ImgRaw im
550 PREINIT:
551 int info[4];
552 PPCODE:
553 i_img_info(im,info);
554 EXTEND(SP, 4);
555 PUSHs(sv_2mortal(newSViv(info[0])));
556 PUSHs(sv_2mortal(newSViv(info[1])));
557 PUSHs(sv_2mortal(newSViv(info[2])));
558 PUSHs(sv_2mortal(newSViv(info[3])));
559
560
561
562
563void
564i_img_setmask(im,ch_mask)
565 Imager::ImgRaw im
566 int ch_mask
567
568int
569i_img_getmask(im)
570 Imager::ImgRaw im
571
572int
573i_img_getchannels(im)
574 Imager::ImgRaw im
575
576void
577i_img_getdata(im)
578 Imager::ImgRaw im
579 PPCODE:
580 EXTEND(SP, 1);
581 PUSHs(sv_2mortal(newSVpv(im->data, im->bytes)));
582
583
584void
585i_draw(im,x1,y1,x2,y2,val)
586 Imager::ImgRaw im
587 int x1
588 int y1
589 int x2
590 int y2
591 Imager::Color val
592
593void
594i_line_aa(im,x1,y1,x2,y2,val)
595 Imager::ImgRaw im
596 int x1
597 int y1
598 int x2
599 int y2
600 Imager::Color val
601
602void
603i_box(im,x1,y1,x2,y2,val)
604 Imager::ImgRaw im
605 int x1
606 int y1
607 int x2
608 int y2
609 Imager::Color val
610
611void
612i_box_filled(im,x1,y1,x2,y2,val)
613 Imager::ImgRaw im
614 int x1
615 int y1
616 int x2
617 int y2
618 Imager::Color val
619
620void
621i_arc(im,x,y,rad,d1,d2,val)
622 Imager::ImgRaw im
623 int x
624 int y
625 float rad
626 float d1
627 float d2
628 Imager::Color val
629
630
631
632void
633i_bezier_multi(im,xc,yc,val)
634 Imager::ImgRaw im
635 Imager::Color val
636 PREINIT:
637 double *x,*y;
638 int len;
639 AV *av1;
640 AV *av2;
641 SV *sv1;
642 SV *sv2;
643 int i;
644 PPCODE:
645 ICL_info(val);
646 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
647 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
648 if (!SvROK(ST(2))) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
649 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
650 av1=(AV*)SvRV(ST(1));
651 av2=(AV*)SvRV(ST(2));
652 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_bezier_multi must be equal length\n");
653 len=av_len(av1)+1;
654 x=mymalloc( len*sizeof(double) );
655 y=mymalloc( len*sizeof(double) );
656 for(i=0;i<len;i++) {
657 sv1=(*(av_fetch(av1,i,0)));
658 sv2=(*(av_fetch(av2,i,0)));
659 x[i]=(double)SvNV(sv1);
660 y[i]=(double)SvNV(sv2);
661 }
662 i_bezier_multi(im,len,x,y,val);
663 myfree(x);
664 myfree(y);
665
666
667void
668i_poly_aa(im,xc,yc,val)
669 Imager::ImgRaw im
670 Imager::Color val
671 PREINIT:
672 double *x,*y;
673 int len;
674 AV *av1;
675 AV *av2;
676 SV *sv1;
677 SV *sv2;
678 int i;
679 PPCODE:
680 ICL_info(val);
681 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
682 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
683 if (!SvROK(ST(2))) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
684 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
685 av1=(AV*)SvRV(ST(1));
686 av2=(AV*)SvRV(ST(2));
687 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_poly_aa must be equal length\n");
688 len=av_len(av1)+1;
689 x=mymalloc( len*sizeof(double) );
690 y=mymalloc( len*sizeof(double) );
691 for(i=0;i<len;i++) {
692 sv1=(*(av_fetch(av1,i,0)));
693 sv2=(*(av_fetch(av2,i,0)));
694 x[i]=(double)SvNV(sv1);
695 y[i]=(double)SvNV(sv2);
696 }
697 i_poly_aa(im,len,x,y,val);
698 myfree(x);
699 myfree(y);
700
701
702
703void
704i_flood_fill(im,seedx,seedy,dcol)
705 Imager::ImgRaw im
706 int seedx
707 int seedy
708 Imager::Color dcol
709
710
711void
712i_copyto(im,src,x1,y1,x2,y2,tx,ty)
713 Imager::ImgRaw im
714 Imager::ImgRaw src
715 int x1
716 int y1
717 int x2
718 int y2
719 int tx
720 int ty
721
722
723void
724i_copyto_trans(im,src,x1,y1,x2,y2,tx,ty,trans)
725 Imager::ImgRaw im
726 Imager::ImgRaw src
727 int x1
728 int y1
729 int x2
730 int y2
731 int tx
732 int ty
733 Imager::Color trans
734
735void
736i_copy(im,src)
737 Imager::ImgRaw im
738 Imager::ImgRaw src
739
740
741void
742i_rubthru(im,src,tx,ty)
743 Imager::ImgRaw im
744 Imager::ImgRaw src
745 int tx
746 int ty
747
142c26ff
AMH
748undef_int
749i_flipxy(im, direction)
750 Imager::ImgRaw im
751 int direction
752
02d1d628
AMH
753
754void
755i_gaussian(im,stdev)
756 Imager::ImgRaw im
757 float stdev
758
759void
760i_conv(im,pcoef)
761 Imager::ImgRaw im
762 PREINIT:
763 float* coeff;
764 int len;
765 AV* av;
766 SV* sv1;
767 int i;
768 PPCODE:
769 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
770 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
771 av=(AV*)SvRV(ST(1));
772 len=av_len(av)+1;
773 coeff=mymalloc( len*sizeof(float) );
774 for(i=0;i<len;i++) {
775 sv1=(*(av_fetch(av,i,0)));
776 coeff[i]=(float)SvNV(sv1);
777 }
778 i_conv(im,coeff,len);
779 myfree(coeff);
780
f5991c03
TC
781undef_int
782i_convert(im, src, coeff)
783 Imager::ImgRaw im
784 Imager::ImgRaw src
785 PREINIT:
786 float *coeff;
787 int outchan;
788 int inchan;
789 AV *avmain;
790 SV **temp;
791 SV *svsub;
792 AV *avsub;
793 int len;
794 int i, j;
795 CODE:
f5991c03
TC
796 if (!SvROK(ST(2)) || SvTYPE(SvRV(ST(2))) != SVt_PVAV)
797 croak("i_convert: parameter 3 must be an arrayref\n");
798 avmain = (AV*)SvRV(ST(2));
799 outchan = av_len(avmain)+1;
800 /* find the biggest */
801 inchan = 0;
802 for (j=0; j < outchan; ++j) {
803 temp = av_fetch(avmain, j, 0);
804 if (temp && SvROK(*temp) && SvTYPE(SvRV(*temp)) == SVt_PVAV) {
805 avsub = (AV*)SvRV(*temp);
806 len = av_len(avsub)+1;
807 if (len > inchan)
808 inchan = len;
809 }
810 }
811 coeff = mymalloc(sizeof(float) * outchan * inchan);
812 for (j = 0; j < outchan; ++j) {
813 avsub = (AV*)SvRV(*av_fetch(avmain, j, 0));
814 len = av_len(avsub)+1;
815 for (i = 0; i < len; ++i) {
816 temp = av_fetch(avsub, i, 0);
817 if (temp)
818 coeff[i+j*inchan] = SvNV(*temp);
819 else
820 coeff[i+j*inchan] = 0;
821 }
822 while (i < inchan)
823 coeff[i++ + j*inchan] = 0;
824 }
825 RETVAL = i_convert(im, src, coeff, outchan, inchan);
826 myfree(coeff);
f5991c03
TC
827 OUTPUT:
828 RETVAL
02d1d628
AMH
829
830float
831i_img_diff(im1,im2)
832 Imager::ImgRaw im1
833 Imager::ImgRaw im2
834
835
836
837undef_int
838i_init_fonts()
839
840#ifdef HAVE_LIBT1
841
842void
843i_t1_set_aa(st)
844 int st
845
846int
847i_t1_new(pfb,afm=NULL)
848 char* pfb
849 char* afm
850
851int
852i_t1_destroy(font_id)
853 int font_id
854
855
856undef_int
857i_t1_cp(im,xb,yb,channel,fontnum,points,str,len,align)
858 Imager::ImgRaw im
859 int xb
860 int yb
861 int channel
862 int fontnum
863 float points
864 char* str
865 int len
866 int align
867
868void
869i_t1_bbox(fontnum,point,str,len)
870 int fontnum
871 float point
872 char* str
873 int len
874 PREINIT:
875 int cords[6];
876 PPCODE:
877 i_t1_bbox(fontnum,point,str,len,cords);
878 EXTEND(SP, 4);
879 PUSHs(sv_2mortal(newSViv(cords[0])));
880 PUSHs(sv_2mortal(newSViv(cords[1])));
881 PUSHs(sv_2mortal(newSViv(cords[2])));
882 PUSHs(sv_2mortal(newSViv(cords[3])));
883 PUSHs(sv_2mortal(newSViv(cords[4])));
884 PUSHs(sv_2mortal(newSViv(cords[5])));
885
886
887
888undef_int
889i_t1_text(im,xb,yb,cl,fontnum,points,str,len,align)
890 Imager::ImgRaw im
891 int xb
892 int yb
893 Imager::Color cl
894 int fontnum
895 float points
896 char* str
897 int len
898 int align
899
900#endif
901
902#ifdef HAVE_LIBTT
903
904
905Imager::TTHandle
906i_tt_new(fontname)
907 char* fontname
908
909void
910i_tt_destroy(handle)
911 Imager::TTHandle handle
912
913
914
915undef_int
916i_tt_text(handle,im,xb,yb,cl,points,str,len,smooth)
917 Imager::TTHandle handle
918 Imager::ImgRaw im
919 int xb
920 int yb
921 Imager::Color cl
922 float points
923 char* str
924 int len
925 int smooth
926
927
928undef_int
929i_tt_cp(handle,im,xb,yb,channel,points,str,len,smooth)
930 Imager::TTHandle handle
931 Imager::ImgRaw im
932 int xb
933 int yb
934 int channel
935 float points
936 char* str
937 int len
938 int smooth
939
940
941
942undef_int
943i_tt_bbox(handle,point,str,len)
944 Imager::TTHandle handle
945 float point
946 char* str
947 int len
948 PREINIT:
949 int cords[6],rc;
950 PPCODE:
951 if ((rc=i_tt_bbox(handle,point,str,len,cords))) {
952 EXTEND(SP, 4);
953 PUSHs(sv_2mortal(newSViv(cords[0])));
954 PUSHs(sv_2mortal(newSViv(cords[1])));
955 PUSHs(sv_2mortal(newSViv(cords[2])));
956 PUSHs(sv_2mortal(newSViv(cords[3])));
957 PUSHs(sv_2mortal(newSViv(cords[4])));
958 PUSHs(sv_2mortal(newSViv(cords[5])));
959 }
960
961
962#endif
963
964
965
966
967#ifdef HAVE_LIBJPEG
968undef_int
969i_writejpeg(im,fd,qfactor)
970 Imager::ImgRaw im
971 int fd
972 int qfactor
973
974void
975i_readjpeg(fd)
976 int fd
977 PREINIT:
978 char* iptc_itext;
979 int tlength;
980 i_img* rimg;
981 SV* r;
982 PPCODE:
983 iptc_itext = NULL;
984 rimg=i_readjpeg(fd,&iptc_itext,&tlength);
985 if (iptc_itext == NULL) {
986 r = sv_newmortal();
987 EXTEND(SP,1);
988 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
989 PUSHs(r);
990 } else {
991 r = sv_newmortal();
992 EXTEND(SP,2);
993 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
994 PUSHs(r);
995 PUSHs(sv_2mortal(newSVpv(iptc_itext,tlength)));
996 myfree(iptc_itext);
997 }
998
999
1000void
1001i_readjpeg_scalar(...)
1002 PROTOTYPE: $
1003 PREINIT:
1004 char* data;
1005 unsigned int length;
1006 char* iptc_itext;
1007 int tlength;
1008 i_img* rimg;
1009 SV* r;
1010 PPCODE:
1011 iptc_itext = NULL;
1012 data = (char *)SvPV(ST(0), length);
1013 rimg=i_readjpeg_scalar(data,length,&iptc_itext,&tlength);
1014 mm_log((1,"i_readjpeg_scalar: 0x%08X\n",rimg));
1015 if (iptc_itext == NULL) {
1016 r = sv_newmortal();
1017 EXTEND(SP,1);
1018 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1019 PUSHs(r);
1020 } else {
1021 r = sv_newmortal();
1022 EXTEND(SP,2);
1023 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1024 PUSHs(r);
1025 PUSHs(sv_2mortal(newSVpv(iptc_itext,tlength)));
1026 myfree(iptc_itext);
1027 }
1028
1029
1030void
1031i_readjpeg_wiol(ig)
1032 Imager::IO ig
1033 PREINIT:
1034 char* iptc_itext;
1035 int tlength;
1036 i_img* rimg;
1037 SV* r;
1038 PPCODE:
1039 iptc_itext = NULL;
1040 rimg = i_readjpeg_wiol(ig,-1,&iptc_itext,&tlength);
1041 if (iptc_itext == NULL) {
1042 r = sv_newmortal();
1043 EXTEND(SP,1);
1044 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1045 PUSHs(r);
1046 } else {
1047 r = sv_newmortal();
1048 EXTEND(SP,2);
1049 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1050 PUSHs(r);
1051 PUSHs(sv_2mortal(newSVpv(iptc_itext,tlength)));
1052 myfree(iptc_itext);
1053 }
1054
1055
1056#endif
1057
1058
1059
1060
1061#ifdef HAVE_LIBTIFF
1062
1063Imager::ImgRaw
1064i_readtiff_wiol(ig, length)
1065 Imager::IO ig
1066 int length
1067
1068
1069undef_int
1070i_writetiff_wiol(im, ig)
1071 Imager::ImgRaw im
1072 Imager::IO ig
1073
d2dfdcc9 1074undef_int
4c2d6970 1075i_writetiff_wiol_faxable(im, ig, fine)
d2dfdcc9
TC
1076 Imager::ImgRaw im
1077 Imager::IO ig
4c2d6970 1078 int fine
d2dfdcc9 1079
02d1d628
AMH
1080
1081#endif /* HAVE_LIBTIFF */
1082
1083
1084
1085
1086
1087#ifdef HAVE_LIBPNG
1088
1089Imager::ImgRaw
1090i_readpng(fd)
1091 int fd
1092
1093
1094undef_int
1095i_writepng(im,fd)
1096 Imager::ImgRaw im
1097 int fd
1098
1099
1100Imager::ImgRaw
1101i_readpng_scalar(...)
1102 PROTOTYPE: $
1103 PREINIT:
1104 char* data;
1105 unsigned int length;
1106 CODE:
1107 data = (char *)SvPV(ST(0), length);
1108 RETVAL=i_readpng_scalar(data,length);
1109 OUTPUT:
1110 RETVAL
1111
1112
1113
1114#endif
1115
1116
1117#ifdef HAVE_LIBGIF
1118
03bd24d4
TC
1119void
1120i_giflib_version()
1121 PPCODE:
1122 PUSHs(sv_2mortal(newSVnv(IM_GIFMAJOR+IM_GIFMINOR*0.1)));
1123
02d1d628
AMH
1124undef_int
1125i_writegif(im,fd,colors,pixdev,fixed)
1126 Imager::ImgRaw im
1127 int fd
1128 int colors
1129 int pixdev
1130 PREINIT:
1131 int fixedlen;
1132 Imager__Color fixed;
1133 Imager__Color tmp;
1134 AV* av;
1135 SV* sv1;
1136 IV Itmp;
1137 int i;
1138 CODE:
1139 if (!SvROK(ST(4))) croak("Imager: Parameter 4 must be a reference to an array\n");
1140 if (SvTYPE(SvRV(ST(4))) != SVt_PVAV) croak("Imager: Parameter 4 must be a reference to an array\n");
1141 av=(AV*)SvRV(ST(4));
1142 fixedlen=av_len(av)+1;
1143 fixed=mymalloc( fixedlen*sizeof(i_color) );
1144 for(i=0;i<fixedlen;i++) {
1145 sv1=(*(av_fetch(av,i,0)));
1146 if (sv_derived_from(sv1, "Imager::Color")) {
1147 Itmp = SvIV((SV*)SvRV(sv1));
1148 tmp = (i_color*) Itmp;
1149 } else croak("Imager: one of the elements of array ref is not of Imager::Color type\n");
1150 fixed[i]=*tmp;
1151 }
1152 RETVAL=i_writegif(im,fd,colors,pixdev,fixedlen,fixed);
1153 myfree(fixed);
1154 ST(0) = sv_newmortal();
1155 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1156 else sv_setiv(ST(0), (IV)RETVAL);
1157
1158
1159
1160
1161undef_int
1162i_writegifmc(im,fd,colors)
1163 Imager::ImgRaw im
1164 int fd
1165 int colors
1166
02d1d628
AMH
1167
1168undef_int
1169i_writegif_gen(fd, ...)
1170 int fd
1171 PROTOTYPE: $$@
1172 PREINIT:
1173 i_quantize quant;
1174 i_gif_opts opts;
1175 i_img **imgs = NULL;
1176 int img_count;
1177 int i;
1178 HV *hv;
1179 CODE:
1180 if (items < 3)
1181 croak("Usage: i_writegif_gen(fd,hashref, images...)");
1182 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1183 croak("i_writegif_gen: Second argument must be a hash ref");
1184 hv = (HV *)SvRV(ST(1));
1185 memset(&quant, 0, sizeof(quant));
1186 quant.mc_size = 256;
1187 quant.mc_colors = mymalloc(quant.mc_size * sizeof(i_color));
1188 memset(&opts, 0, sizeof(opts));
1189 handle_quant_opts(&quant, hv);
1190 handle_gif_opts(&opts, hv);
1191 img_count = items - 2;
1192 RETVAL = 1;
1193 if (img_count < 1) {
1194 RETVAL = 0;
95b44a76
TC
1195 i_clear_error();
1196 i_push_error(0, "You need to specify images to save");
02d1d628
AMH
1197 }
1198 else {
1199 imgs = mymalloc(sizeof(i_img *) * img_count);
1200 for (i = 0; i < img_count; ++i) {
1201 SV *sv = ST(2+i);
1202 imgs[i] = NULL;
1203 if (SvROK(sv) && sv_derived_from(sv, "Imager::ImgRaw")) {
1204 imgs[i] = (i_img *)SvIV((SV*)SvRV(sv));
1205 }
1206 else {
95b44a76
TC
1207 i_clear_error();
1208 i_push_error(0, "Only images can be saved");
02d1d628
AMH
1209 RETVAL = 0;
1210 break;
1211 }
1212 }
1213 if (RETVAL) {
1214 RETVAL = i_writegif_gen(&quant, fd, imgs, img_count, &opts);
1215 }
1216 myfree(imgs);
1217 if (RETVAL) {
1218 copy_colors_back(hv, &quant);
1219 }
1220 }
1221 ST(0) = sv_newmortal();
1222 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1223 else sv_setiv(ST(0), (IV)RETVAL);
1224
1225undef_int
1226i_writegif_callback(cb, maxbuffer,...)
1227 int maxbuffer;
1228 PREINIT:
1229 i_quantize quant;
1230 i_gif_opts opts;
1231 i_img **imgs = NULL;
1232 int img_count;
1233 int i;
1234 HV *hv;
1235 i_writer_data wd;
1236 CODE:
1237 if (items < 4)
1238 croak("Usage: i_writegif_callback(\\&callback,maxbuffer,hashref, images...)");
1239 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1240 croak("i_writegif_callback: Second argument must be a hash ref");
1241 hv = (HV *)SvRV(ST(2));
1242 memset(&quant, 0, sizeof(quant));
1243 quant.mc_size = 256;
1244 quant.mc_colors = mymalloc(quant.mc_size * sizeof(i_color));
1245 memset(&opts, 0, sizeof(opts));
1246 handle_quant_opts(&quant, hv);
1247 handle_gif_opts(&opts, hv);
1248 img_count = items - 3;
1249 RETVAL = 1;
1250 if (img_count < 1) {
1251 RETVAL = 0;
1252 }
1253 else {
1254 imgs = mymalloc(sizeof(i_img *) * img_count);
1255 for (i = 0; i < img_count; ++i) {
1256 SV *sv = ST(3+i);
1257 imgs[i] = NULL;
1258 if (SvROK(sv) && sv_derived_from(sv, "Imager::ImgRaw")) {
1259 imgs[i] = (i_img *)SvIV((SV*)SvRV(sv));
1260 }
1261 else {
1262 RETVAL = 0;
1263 break;
1264 }
1265 }
1266 if (RETVAL) {
1267 wd.sv = ST(0);
1268 RETVAL = i_writegif_callback(&quant, write_callback, (char *)&wd, maxbuffer, imgs, img_count, &opts);
1269 }
1270 myfree(imgs);
1271 if (RETVAL) {
1272 copy_colors_back(hv, &quant);
1273 }
1274 }
1275 ST(0) = sv_newmortal();
1276 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1277 else sv_setiv(ST(0), (IV)RETVAL);
1278
1279void
1280i_readgif(fd)
1281 int fd
1282 PREINIT:
1283 int* colour_table;
1284 int colours, q, w;
1285 i_img* rimg;
1286 SV* temp[3];
1287 AV* ct;
1288 SV* r;
1289 PPCODE:
1290 colour_table = NULL;
1291 colours = 0;
1292
1293 if(GIMME_V == G_ARRAY) {
1294 rimg = i_readgif(fd,&colour_table,&colours);
1295 } else {
1296 /* don't waste time with colours if they aren't wanted */
1297 rimg = i_readgif(fd,NULL,NULL);
1298 }
1299
1300 if (colour_table == NULL) {
1301 EXTEND(SP,1);
1302 r=sv_newmortal();
1303 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1304 PUSHs(r);
1305 } else {
1306 /* the following creates an [[r,g,b], [r, g, b], [r, g, b]...] */
1307 /* I don't know if I have the reference counts right or not :( */
1308 /* Neither do I :-) */
1309 /* No Idea here either */
1310
1311 ct=newAV();
1312 av_extend(ct, colours);
1313 for(q=0; q<colours; q++) {
1314 for(w=0; w<3; w++)
1315 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1316 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1317 }
1318 myfree(colour_table);
1319
1320 EXTEND(SP,2);
1321 r=sv_newmortal();
1322 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1323 PUSHs(r);
1324 PUSHs(newRV_noinc((SV*)ct));
1325 }
1326
1327
1328
1329
1330
1331void
1332i_readgif_scalar(...)
1333 PROTOTYPE: $
1334 PREINIT:
1335 char* data;
1336 unsigned int length;
1337 int* colour_table;
1338 int colours, q, w;
1339 i_img* rimg;
1340 SV* temp[3];
1341 AV* ct;
1342 SV* r;
1343 PPCODE:
1344 data = (char *)SvPV(ST(0), length);
1345 colour_table=NULL;
1346 colours=0;
1347
1348 if(GIMME_V == G_ARRAY) {
1349 rimg=i_readgif_scalar(data,length,&colour_table,&colours);
1350 } else {
1351 /* don't waste time with colours if they aren't wanted */
1352 rimg=i_readgif_scalar(data,length,NULL,NULL);
1353 }
1354
1355 if (colour_table == NULL) {
1356 EXTEND(SP,1);
1357 r=sv_newmortal();
1358 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1359 PUSHs(r);
1360 } else {
1361 /* the following creates an [[r,g,b], [r, g, b], [r, g, b]...] */
1362 /* I don't know if I have the reference counts right or not :( */
1363 /* Neither do I :-) */
1364 ct=newAV();
1365 av_extend(ct, colours);
1366 for(q=0; q<colours; q++) {
1367 for(w=0; w<3; w++)
1368 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1369 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1370 }
1371 myfree(colour_table);
1372
1373 EXTEND(SP,2);
1374 r=sv_newmortal();
1375 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1376 PUSHs(r);
1377 PUSHs(newRV_noinc((SV*)ct));
1378 }
1379
1380void
1381i_readgif_callback(...)
1382 PROTOTYPE: &
1383 PREINIT:
1384 char* data;
1385 int length;
1386 int* colour_table;
1387 int colours, q, w;
1388 i_img* rimg;
1389 SV* temp[3];
1390 AV* ct;
1391 SV* r;
1392 i_reader_data rd;
1393 PPCODE:
1394 rd.sv = ST(0);
1395 colour_table=NULL;
1396 colours=0;
1397
1398 if(GIMME_V == G_ARRAY) {
1399 rimg=i_readgif_callback(read_callback, (char *)&rd,&colour_table,&colours);
1400 } else {
1401 /* don't waste time with colours if they aren't wanted */
1402 rimg=i_readgif_callback(read_callback, (char *)&rd,NULL,NULL);
1403 }
1404
1405 if (colour_table == NULL) {
1406 EXTEND(SP,1);
1407 r=sv_newmortal();
1408 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1409 PUSHs(r);
1410 } else {
1411 /* the following creates an [[r,g,b], [r, g, b], [r, g, b]...] */
1412 /* I don't know if I have the reference counts right or not :( */
1413 /* Neither do I :-) */
1414 /* Neither do I - maybe I'll move this somewhere */
1415 ct=newAV();
1416 av_extend(ct, colours);
1417 for(q=0; q<colours; q++) {
1418 for(w=0; w<3; w++)
1419 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1420 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1421 }
1422 myfree(colour_table);
1423
1424 EXTEND(SP,2);
1425 r=sv_newmortal();
1426 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1427 PUSHs(r);
1428 PUSHs(newRV_noinc((SV*)ct));
1429 }
1430
1431
1432
1433
1434
1435
1436#endif
1437
1438
1439
1440Imager::ImgRaw
1441i_readpnm_wiol(ig, length)
1442 Imager::IO ig
1443 int length
1444
1445
1446undef_int
1447i_writeppm(im,fd)
1448 Imager::ImgRaw im
1449 int fd
1450
1451Imager::ImgRaw
1452i_readraw(fd,x,y,datachannels,storechannels,intrl)
1453 int fd
1454 int x
1455 int y
1456 int datachannels
1457 int storechannels
1458 int intrl
1459
1460undef_int
1461i_writeraw(im,fd)
1462 Imager::ImgRaw im
1463 int fd
1464
1465
1466Imager::ImgRaw
1467i_scaleaxis(im,Value,Axis)
1468 Imager::ImgRaw im
1469 float Value
1470 int Axis
1471
1472Imager::ImgRaw
1473i_scale_nn(im,scx,scy)
1474 Imager::ImgRaw im
1475 float scx
1476 float scy
1477
1478Imager::ImgRaw
1479i_haar(im)
1480 Imager::ImgRaw im
1481
1482int
1483i_count_colors(im,maxc)
1484 Imager::ImgRaw im
1485 int maxc
1486
1487
1488Imager::ImgRaw
1489i_transform(im,opx,opy,parm)
1490 Imager::ImgRaw im
1491 PREINIT:
1492 double* parm;
1493 int* opx;
1494 int* opy;
1495 int opxl;
1496 int opyl;
1497 int parmlen;
1498 AV* av;
1499 SV* sv1;
1500 int i;
1501 CODE:
1502 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
1503 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to an array\n");
1504 if (!SvROK(ST(3))) croak("Imager: Parameter 3 must be a reference to an array\n");
1505 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
1506 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 must be a reference to an array\n");
1507 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 3 must be a reference to an array\n");
1508 av=(AV*)SvRV(ST(1));
1509 opxl=av_len(av)+1;
1510 opx=mymalloc( opxl*sizeof(int) );
1511 for(i=0;i<opxl;i++) {
1512 sv1=(*(av_fetch(av,i,0)));
1513 opx[i]=(int)SvIV(sv1);
1514 }
1515 av=(AV*)SvRV(ST(2));
1516 opyl=av_len(av)+1;
1517 opy=mymalloc( opyl*sizeof(int) );
1518 for(i=0;i<opyl;i++) {
1519 sv1=(*(av_fetch(av,i,0)));
1520 opy[i]=(int)SvIV(sv1);
1521 }
1522 av=(AV*)SvRV(ST(3));
1523 parmlen=av_len(av)+1;
1524 parm=mymalloc( parmlen*sizeof(double) );
1525 for(i=0;i<parmlen;i++) { /* FIXME: Bug? */
1526 sv1=(*(av_fetch(av,i,0)));
1527 parm[i]=(double)SvNV(sv1);
1528 }
1529 RETVAL=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
1530 myfree(parm);
1531 myfree(opy);
1532 myfree(opx);
1533 ST(0) = sv_newmortal();
1534 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1535 else sv_setref_pv(ST(0), "Imager::ImgRaw", (void*)RETVAL);
1536
1537Imager::ImgRaw
1538i_transform2(width,height,ops,n_regs,c_regs,in_imgs)
1539 PREINIT:
1540 int width;
1541 int height;
1542 double* parm;
1543 struct rm_op *ops;
1544 unsigned int ops_len;
1545 int ops_count;
1546 double *n_regs;
1547 int n_regs_count;
1548 i_color *c_regs;
1549 int c_regs_count;
1550 int in_imgs_count;
1551 i_img **in_imgs;
1552 AV* av;
1553 SV* sv1;
1554 IV tmp;
1555 int i;
1556 CODE:
1557 if (!SvROK(ST(3))) croak("Imager: Parameter 4 must be a reference to an array\n");
1558 if (!SvROK(ST(4))) croak("Imager: Parameter 5 must be a reference to an array\n");
1559 if (!SvROK(ST(5))) croak("Imager: Parameter 6 must be a reference to an array of images\n");
1560 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 4 must be a reference to an array\n");
1561 if (SvTYPE(SvRV(ST(4))) != SVt_PVAV) croak("Imager: Parameter 5 must be a reference to an array\n");
1562
1563 /*if (SvTYPE(SvRV(ST(5))) != SVt_PVAV) croak("Imager: Parameter 6 must be a reference to an array\n");*/
1564
1565 if (SvTYPE(SvRV(ST(5))) == SVt_PVAV) {
1566 av = (AV*)SvRV(ST(5));
1567 in_imgs_count = av_len(av)+1;
1568 for (i = 0; i < in_imgs_count; ++i) {
1569 sv1 = *av_fetch(av, i, 0);
1570 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
1571 croak("Parameter 5 must contain only images");
1572 }
1573 }
1574 }
1575 else {
1576 in_imgs_count = 0;
1577 }
1578 if (SvTYPE(SvRV(ST(5))) == SVt_PVAV) {
1579 av = (AV*)SvRV(ST(5));
1580 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
1581 for (i = 0; i < in_imgs_count; ++i) {
1582 sv1 = *av_fetch(av,i,0);
1583 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
1584 croak("Parameter 5 must contain only images");
1585 }
1586 tmp = SvIV((SV*)SvRV(sv1));
1587 in_imgs[i] = (i_img*)tmp;
1588 }
1589 }
1590 else {
1591 /* no input images */
1592 in_imgs = NULL;
1593 }
1594 /* default the output size from the first input if possible */
1595 if (SvOK(ST(0)))
1596 width = SvIV(ST(0));
1597 else if (in_imgs_count)
1598 width = in_imgs[0]->xsize;
1599 else
1600 croak("No output image width supplied");
1601
1602 if (SvOK(ST(1)))
1603 height = SvIV(ST(1));
1604 else if (in_imgs_count)
1605 height = in_imgs[0]->ysize;
1606 else
1607 croak("No output image height supplied");
1608
1609 ops = (struct rm_op *)SvPV(ST(2), ops_len);
1610 if (ops_len % sizeof(struct rm_op))
1611 croak("Imager: Parameter 3 must be a bitmap of regops\n");
1612 ops_count = ops_len / sizeof(struct rm_op);
1613 av = (AV*)SvRV(ST(3));
1614 n_regs_count = av_len(av)+1;
1615 n_regs = mymalloc(n_regs_count * sizeof(double));
1616 for (i = 0; i < n_regs_count; ++i) {
1617 sv1 = *av_fetch(av,i,0);
1618 if (SvOK(sv1))
1619 n_regs[i] = SvNV(sv1);
1620 }
1621 av = (AV*)SvRV(ST(4));
1622 c_regs_count = av_len(av)+1;
1623 c_regs = mymalloc(c_regs_count * sizeof(i_color));
1624 /* I don't bother initializing the colou?r registers */
1625
1626 RETVAL=i_transform2(width, height, 3, ops, ops_count,
1627 n_regs, n_regs_count,
1628 c_regs, c_regs_count, in_imgs, in_imgs_count);
1629 if (in_imgs)
1630 myfree(in_imgs);
1631 myfree(n_regs);
1632 myfree(c_regs);
1633 ST(0) = sv_newmortal();
1634 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1635 else sv_setref_pv(ST(0), "Imager::ImgRaw", (void*)RETVAL);
1636
1637
1638void
1639i_contrast(im,intensity)
1640 Imager::ImgRaw im
1641 float intensity
1642
1643void
1644i_hardinvert(im)
1645 Imager::ImgRaw im
1646
1647void
1648i_noise(im,amount,type)
1649 Imager::ImgRaw im
1650 float amount
1651 unsigned char type
1652
1653void
1654i_bumpmap(im,bump,channel,light_x,light_y,strength)
1655 Imager::ImgRaw im
1656 Imager::ImgRaw bump
1657 int channel
1658 int light_x
1659 int light_y
1660 int strength
1661
1662void
1663i_postlevels(im,levels)
1664 Imager::ImgRaw im
1665 int levels
1666
1667void
1668i_mosaic(im,size)
1669 Imager::ImgRaw im
1670 int size
1671
1672void
1673i_watermark(im,wmark,tx,ty,pixdiff)
1674 Imager::ImgRaw im
1675 Imager::ImgRaw wmark
1676 int tx
1677 int ty
1678 int pixdiff
1679
1680
1681void
1682i_autolevels(im,lsat,usat,skew)
1683 Imager::ImgRaw im
1684 float lsat
1685 float usat
1686 float skew
1687
1688void
1689i_radnoise(im,xo,yo,rscale,ascale)
1690 Imager::ImgRaw im
1691 float xo
1692 float yo
1693 float rscale
1694 float ascale
1695
1696void
1697i_turbnoise(im, xo, yo, scale)
1698 Imager::ImgRaw im
1699 float xo
1700 float yo
1701 float scale
1702
1703
1704void
1705i_gradgen(im, ...)
1706 Imager::ImgRaw im
1707 PREINIT:
1708 int num;
1709 int *xo;
1710 int *yo;
1711 i_color *ival;
1712 int dmeasure;
1713 int i;
1714 SV *sv;
1715 AV *axx;
1716 AV *ayy;
1717 AV *ac;
1718 CODE:
1719 if (items != 5)
1720 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
1721 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1722 croak("i_gradgen: Second argument must be an array ref");
1723 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1724 croak("i_gradgen: Third argument must be an array ref");
1725 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
1726 croak("i_gradgen: Fourth argument must be an array ref");
1727 axx = (AV *)SvRV(ST(1));
1728 ayy = (AV *)SvRV(ST(2));
1729 ac = (AV *)SvRV(ST(3));
1730 dmeasure = (int)SvIV(ST(4));
1731
1732 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
1733 num = num <= av_len(ac) ? num : av_len(ac);
1734 num++;
1735 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
1736 xo = mymalloc( sizeof(int) * num );
1737 yo = mymalloc( sizeof(int) * num );
1738 ival = mymalloc( sizeof(i_color) * num );
1739 for(i = 0; i<num; i++) {
1740 xo[i] = (int)SvIV(* av_fetch(axx, i, 0));
1741 yo[i] = (int)SvIV(* av_fetch(ayy, i, 0));
1742 sv = *av_fetch(ac, i, 0);
1743 if ( !sv_derived_from(sv, "Imager::Color") ) {
1744 free(axx); free(ayy); free(ac);
1745 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
1746 }
1747 ival[i] = *(i_color *)SvIV((SV *)SvRV(sv));
1748 }
1749 i_gradgen(im, num, xo, yo, ival, dmeasure);
1750
1751
1752
1753
1754
4f4f776a
TC
1755void
1756i_errors()
1757 PREINIT:
1758 i_errmsg *errors;
1759 int i;
1760 int count;
1761 AV *av;
1762 SV *ref;
1763 SV *sv;
1764 PPCODE:
1765 errors = i_errors();
1766 i = 0;
1767 while (errors[i].msg) {
1768 av = newAV();
1769 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
1770 if (!av_store(av, 0, sv)) {
1771 SvREFCNT_dec(sv);
1772 }
1773 sv = newSViv(errors[i].code);
1774 if (!av_store(av, 1, sv)) {
1775 SvREFCNT_dec(sv);
1776 }
1777 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
1778 ++i;
1779 }
02d1d628
AMH
1780
1781void
1782i_nearest_color(im, ...)
1783 Imager::ImgRaw im
1784 PREINIT:
1785 int num;
1786 int *xo;
1787 int *yo;
1788 i_color *ival;
1789 int dmeasure;
1790 int i;
1791 SV *sv;
1792 AV *axx;
1793 AV *ayy;
1794 AV *ac;
1795 CODE:
1796 if (items != 5)
1797 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
1798 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1799 croak("i_nearest_color: Second argument must be an array ref");
1800 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1801 croak("i_nearest_color: Third argument must be an array ref");
1802 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
1803 croak("i_nearest_color: Fourth argument must be an array ref");
1804 axx = (AV *)SvRV(ST(1));
1805 ayy = (AV *)SvRV(ST(2));
1806 ac = (AV *)SvRV(ST(3));
1807 dmeasure = (int)SvIV(ST(4));
1808
1809 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
1810 num = num <= av_len(ac) ? num : av_len(ac);
1811 num++;
1812 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
1813 xo = mymalloc( sizeof(int) * num );
1814 yo = mymalloc( sizeof(int) * num );
1815 ival = mymalloc( sizeof(i_color) * num );
1816 for(i = 0; i<num; i++) {
1817 xo[i] = (int)SvIV(* av_fetch(axx, i, 0));
1818 yo[i] = (int)SvIV(* av_fetch(ayy, i, 0));
1819 sv = *av_fetch(ac, i, 0);
1820 if ( !sv_derived_from(sv, "Imager::Color") ) {
1821 free(axx); free(ayy); free(ac);
1822 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
1823 }
1824 ival[i] = *(i_color *)SvIV((SV *)SvRV(sv));
1825 }
1826 i_nearest_color(im, num, xo, yo, ival, dmeasure);
1827
1828
1829
1830
1831void
1832malloc_state()
1833
1834void
1835hashinfo(hv)
1836 PREINIT:
1837 HV* hv;
1838 int stuff;
1839 PPCODE:
1840 if (!SvROK(ST(0))) croak("Imager: Parameter 0 must be a reference to a hash\n");
1841 hv=(HV*)SvRV(ST(0));
1842 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 0 must be a reference to a hash\n");
1843 if (getint(hv,"stuff",&stuff)) printf("ok: %d\n",stuff); else printf("key doesn't exist\n");
1844 if (getint(hv,"stuff2",&stuff)) printf("ok: %d\n",stuff); else printf("key doesn't exist\n");
1845
1846void
1847DSO_open(filename)
1848 char* filename
1849 PREINIT:
1850 void *rc;
1851 char *evstr;
1852 PPCODE:
1853 rc=DSO_open(filename,&evstr);
1854 if (rc!=NULL) {
1855 if (evstr!=NULL) {
1856 EXTEND(SP,2);
1857 PUSHs(sv_2mortal(newSViv((IV)rc)));
1858 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
1859 } else {
1860 EXTEND(SP,1);
1861 PUSHs(sv_2mortal(newSViv((IV)rc)));
1862 }
1863 }
1864
1865
1866undef_int
1867DSO_close(dso_handle)
1868 void* dso_handle
1869
1870void
1871DSO_funclist(dso_handle_v)
1872 void* dso_handle_v
1873 PREINIT:
1874 int i;
1875 DSO_handle *dso_handle;
1876 PPCODE:
1877 dso_handle=(DSO_handle*)dso_handle_v;
1878 i=0;
1879 while( dso_handle->function_list[i].name != NULL) {
1880 EXTEND(SP,1);
1881 PUSHs(sv_2mortal(newSVpv(dso_handle->function_list[i].name,0)));
1882 EXTEND(SP,1);
1883 PUSHs(sv_2mortal(newSVpv(dso_handle->function_list[i++].pcode,0)));
1884 }
1885
1886
1887void
1888DSO_call(handle,func_index,hv)
1889 void* handle
1890 int func_index
1891 PREINIT:
1892 HV* hv;
1893 PPCODE:
1894 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
1895 hv=(HV*)SvRV(ST(2));
1896 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
1897 DSO_call( (DSO_handle *)handle,func_index,hv);
1898
1899
1900
f5991c03
TC
1901# this is mostly for testing...
1902Imager::Color
1903i_get_pixel(im, x, y)
1904 Imager::ImgRaw im
1905 int x
1906 int y;
1907 CODE:
1908 RETVAL = (i_color *)mymalloc(sizeof(i_color));
1909 i_gpix(im, x, y, RETVAL);
1910 OUTPUT:
1911 RETVAL
02d1d628 1912