document ideas and discussion from IRC
[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
781
782float
783i_img_diff(im1,im2)
784 Imager::ImgRaw im1
785 Imager::ImgRaw im2
786
787
788
789undef_int
790i_init_fonts()
791
792#ifdef HAVE_LIBT1
793
794void
795i_t1_set_aa(st)
796 int st
797
798int
799i_t1_new(pfb,afm=NULL)
800 char* pfb
801 char* afm
802
803int
804i_t1_destroy(font_id)
805 int font_id
806
807
808undef_int
809i_t1_cp(im,xb,yb,channel,fontnum,points,str,len,align)
810 Imager::ImgRaw im
811 int xb
812 int yb
813 int channel
814 int fontnum
815 float points
816 char* str
817 int len
818 int align
819
820void
821i_t1_bbox(fontnum,point,str,len)
822 int fontnum
823 float point
824 char* str
825 int len
826 PREINIT:
827 int cords[6];
828 PPCODE:
829 i_t1_bbox(fontnum,point,str,len,cords);
830 EXTEND(SP, 4);
831 PUSHs(sv_2mortal(newSViv(cords[0])));
832 PUSHs(sv_2mortal(newSViv(cords[1])));
833 PUSHs(sv_2mortal(newSViv(cords[2])));
834 PUSHs(sv_2mortal(newSViv(cords[3])));
835 PUSHs(sv_2mortal(newSViv(cords[4])));
836 PUSHs(sv_2mortal(newSViv(cords[5])));
837
838
839
840undef_int
841i_t1_text(im,xb,yb,cl,fontnum,points,str,len,align)
842 Imager::ImgRaw im
843 int xb
844 int yb
845 Imager::Color cl
846 int fontnum
847 float points
848 char* str
849 int len
850 int align
851
852#endif
853
854#ifdef HAVE_LIBTT
855
856
857Imager::TTHandle
858i_tt_new(fontname)
859 char* fontname
860
861void
862i_tt_destroy(handle)
863 Imager::TTHandle handle
864
865
866
867undef_int
868i_tt_text(handle,im,xb,yb,cl,points,str,len,smooth)
869 Imager::TTHandle handle
870 Imager::ImgRaw im
871 int xb
872 int yb
873 Imager::Color cl
874 float points
875 char* str
876 int len
877 int smooth
878
879
880undef_int
881i_tt_cp(handle,im,xb,yb,channel,points,str,len,smooth)
882 Imager::TTHandle handle
883 Imager::ImgRaw im
884 int xb
885 int yb
886 int channel
887 float points
888 char* str
889 int len
890 int smooth
891
892
893
894undef_int
895i_tt_bbox(handle,point,str,len)
896 Imager::TTHandle handle
897 float point
898 char* str
899 int len
900 PREINIT:
901 int cords[6],rc;
902 PPCODE:
903 if ((rc=i_tt_bbox(handle,point,str,len,cords))) {
904 EXTEND(SP, 4);
905 PUSHs(sv_2mortal(newSViv(cords[0])));
906 PUSHs(sv_2mortal(newSViv(cords[1])));
907 PUSHs(sv_2mortal(newSViv(cords[2])));
908 PUSHs(sv_2mortal(newSViv(cords[3])));
909 PUSHs(sv_2mortal(newSViv(cords[4])));
910 PUSHs(sv_2mortal(newSViv(cords[5])));
911 }
912
913
914#endif
915
916
917
918
919#ifdef HAVE_LIBJPEG
920undef_int
921i_writejpeg(im,fd,qfactor)
922 Imager::ImgRaw im
923 int fd
924 int qfactor
925
926void
927i_readjpeg(fd)
928 int fd
929 PREINIT:
930 char* iptc_itext;
931 int tlength;
932 i_img* rimg;
933 SV* r;
934 PPCODE:
935 iptc_itext = NULL;
936 rimg=i_readjpeg(fd,&iptc_itext,&tlength);
937 if (iptc_itext == NULL) {
938 r = sv_newmortal();
939 EXTEND(SP,1);
940 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
941 PUSHs(r);
942 } else {
943 r = sv_newmortal();
944 EXTEND(SP,2);
945 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
946 PUSHs(r);
947 PUSHs(sv_2mortal(newSVpv(iptc_itext,tlength)));
948 myfree(iptc_itext);
949 }
950
951
952void
953i_readjpeg_scalar(...)
954 PROTOTYPE: $
955 PREINIT:
956 char* data;
957 unsigned int length;
958 char* iptc_itext;
959 int tlength;
960 i_img* rimg;
961 SV* r;
962 PPCODE:
963 iptc_itext = NULL;
964 data = (char *)SvPV(ST(0), length);
965 rimg=i_readjpeg_scalar(data,length,&iptc_itext,&tlength);
966 mm_log((1,"i_readjpeg_scalar: 0x%08X\n",rimg));
967 if (iptc_itext == NULL) {
968 r = sv_newmortal();
969 EXTEND(SP,1);
970 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
971 PUSHs(r);
972 } else {
973 r = sv_newmortal();
974 EXTEND(SP,2);
975 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
976 PUSHs(r);
977 PUSHs(sv_2mortal(newSVpv(iptc_itext,tlength)));
978 myfree(iptc_itext);
979 }
980
981
982void
983i_readjpeg_wiol(ig)
984 Imager::IO ig
985 PREINIT:
986 char* iptc_itext;
987 int tlength;
988 i_img* rimg;
989 SV* r;
990 PPCODE:
991 iptc_itext = NULL;
992 rimg = i_readjpeg_wiol(ig,-1,&iptc_itext,&tlength);
993 if (iptc_itext == NULL) {
994 r = sv_newmortal();
995 EXTEND(SP,1);
996 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
997 PUSHs(r);
998 } else {
999 r = sv_newmortal();
1000 EXTEND(SP,2);
1001 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1002 PUSHs(r);
1003 PUSHs(sv_2mortal(newSVpv(iptc_itext,tlength)));
1004 myfree(iptc_itext);
1005 }
1006
1007
1008#endif
1009
1010
1011
1012
1013#ifdef HAVE_LIBTIFF
1014
1015Imager::ImgRaw
1016i_readtiff_wiol(ig, length)
1017 Imager::IO ig
1018 int length
1019
1020
1021undef_int
1022i_writetiff_wiol(im, ig)
1023 Imager::ImgRaw im
1024 Imager::IO ig
1025
1026
1027#endif /* HAVE_LIBTIFF */
1028
1029
1030
1031
1032
1033#ifdef HAVE_LIBPNG
1034
1035Imager::ImgRaw
1036i_readpng(fd)
1037 int fd
1038
1039
1040undef_int
1041i_writepng(im,fd)
1042 Imager::ImgRaw im
1043 int fd
1044
1045
1046Imager::ImgRaw
1047i_readpng_scalar(...)
1048 PROTOTYPE: $
1049 PREINIT:
1050 char* data;
1051 unsigned int length;
1052 CODE:
1053 data = (char *)SvPV(ST(0), length);
1054 RETVAL=i_readpng_scalar(data,length);
1055 OUTPUT:
1056 RETVAL
1057
1058
1059
1060#endif
1061
1062
1063#ifdef HAVE_LIBGIF
1064
03bd24d4
TC
1065void
1066i_giflib_version()
1067 PPCODE:
1068 PUSHs(sv_2mortal(newSVnv(IM_GIFMAJOR+IM_GIFMINOR*0.1)));
1069
02d1d628
AMH
1070undef_int
1071i_writegif(im,fd,colors,pixdev,fixed)
1072 Imager::ImgRaw im
1073 int fd
1074 int colors
1075 int pixdev
1076 PREINIT:
1077 int fixedlen;
1078 Imager__Color fixed;
1079 Imager__Color tmp;
1080 AV* av;
1081 SV* sv1;
1082 IV Itmp;
1083 int i;
1084 CODE:
1085 if (!SvROK(ST(4))) croak("Imager: Parameter 4 must be a reference to an array\n");
1086 if (SvTYPE(SvRV(ST(4))) != SVt_PVAV) croak("Imager: Parameter 4 must be a reference to an array\n");
1087 av=(AV*)SvRV(ST(4));
1088 fixedlen=av_len(av)+1;
1089 fixed=mymalloc( fixedlen*sizeof(i_color) );
1090 for(i=0;i<fixedlen;i++) {
1091 sv1=(*(av_fetch(av,i,0)));
1092 if (sv_derived_from(sv1, "Imager::Color")) {
1093 Itmp = SvIV((SV*)SvRV(sv1));
1094 tmp = (i_color*) Itmp;
1095 } else croak("Imager: one of the elements of array ref is not of Imager::Color type\n");
1096 fixed[i]=*tmp;
1097 }
1098 RETVAL=i_writegif(im,fd,colors,pixdev,fixedlen,fixed);
1099 myfree(fixed);
1100 ST(0) = sv_newmortal();
1101 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1102 else sv_setiv(ST(0), (IV)RETVAL);
1103
1104
1105
1106
1107undef_int
1108i_writegifmc(im,fd,colors)
1109 Imager::ImgRaw im
1110 int fd
1111 int colors
1112
1113undef_int
1114i_writegifex(im,fd)
1115 Imager::ImgRaw im
1116 int fd
1117
1118undef_int
1119i_writegif_gen(fd, ...)
1120 int fd
1121 PROTOTYPE: $$@
1122 PREINIT:
1123 i_quantize quant;
1124 i_gif_opts opts;
1125 i_img **imgs = NULL;
1126 int img_count;
1127 int i;
1128 HV *hv;
1129 CODE:
1130 if (items < 3)
1131 croak("Usage: i_writegif_gen(fd,hashref, images...)");
1132 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1133 croak("i_writegif_gen: Second argument must be a hash ref");
1134 hv = (HV *)SvRV(ST(1));
1135 memset(&quant, 0, sizeof(quant));
1136 quant.mc_size = 256;
1137 quant.mc_colors = mymalloc(quant.mc_size * sizeof(i_color));
1138 memset(&opts, 0, sizeof(opts));
1139 handle_quant_opts(&quant, hv);
1140 handle_gif_opts(&opts, hv);
1141 img_count = items - 2;
1142 RETVAL = 1;
1143 if (img_count < 1) {
1144 RETVAL = 0;
95b44a76
TC
1145 i_clear_error();
1146 i_push_error(0, "You need to specify images to save");
02d1d628
AMH
1147 }
1148 else {
1149 imgs = mymalloc(sizeof(i_img *) * img_count);
1150 for (i = 0; i < img_count; ++i) {
1151 SV *sv = ST(2+i);
1152 imgs[i] = NULL;
1153 if (SvROK(sv) && sv_derived_from(sv, "Imager::ImgRaw")) {
1154 imgs[i] = (i_img *)SvIV((SV*)SvRV(sv));
1155 }
1156 else {
95b44a76
TC
1157 i_clear_error();
1158 i_push_error(0, "Only images can be saved");
02d1d628
AMH
1159 RETVAL = 0;
1160 break;
1161 }
1162 }
1163 if (RETVAL) {
1164 RETVAL = i_writegif_gen(&quant, fd, imgs, img_count, &opts);
1165 }
1166 myfree(imgs);
1167 if (RETVAL) {
1168 copy_colors_back(hv, &quant);
1169 }
1170 }
1171 ST(0) = sv_newmortal();
1172 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1173 else sv_setiv(ST(0), (IV)RETVAL);
1174
1175undef_int
1176i_writegif_callback(cb, maxbuffer,...)
1177 int maxbuffer;
1178 PREINIT:
1179 i_quantize quant;
1180 i_gif_opts opts;
1181 i_img **imgs = NULL;
1182 int img_count;
1183 int i;
1184 HV *hv;
1185 i_writer_data wd;
1186 CODE:
1187 if (items < 4)
1188 croak("Usage: i_writegif_callback(\\&callback,maxbuffer,hashref, images...)");
1189 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1190 croak("i_writegif_callback: Second argument must be a hash ref");
1191 hv = (HV *)SvRV(ST(2));
1192 memset(&quant, 0, sizeof(quant));
1193 quant.mc_size = 256;
1194 quant.mc_colors = mymalloc(quant.mc_size * sizeof(i_color));
1195 memset(&opts, 0, sizeof(opts));
1196 handle_quant_opts(&quant, hv);
1197 handle_gif_opts(&opts, hv);
1198 img_count = items - 3;
1199 RETVAL = 1;
1200 if (img_count < 1) {
1201 RETVAL = 0;
1202 }
1203 else {
1204 imgs = mymalloc(sizeof(i_img *) * img_count);
1205 for (i = 0; i < img_count; ++i) {
1206 SV *sv = ST(3+i);
1207 imgs[i] = NULL;
1208 if (SvROK(sv) && sv_derived_from(sv, "Imager::ImgRaw")) {
1209 imgs[i] = (i_img *)SvIV((SV*)SvRV(sv));
1210 }
1211 else {
1212 RETVAL = 0;
1213 break;
1214 }
1215 }
1216 if (RETVAL) {
1217 wd.sv = ST(0);
1218 RETVAL = i_writegif_callback(&quant, write_callback, (char *)&wd, maxbuffer, imgs, img_count, &opts);
1219 }
1220 myfree(imgs);
1221 if (RETVAL) {
1222 copy_colors_back(hv, &quant);
1223 }
1224 }
1225 ST(0) = sv_newmortal();
1226 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1227 else sv_setiv(ST(0), (IV)RETVAL);
1228
1229void
1230i_readgif(fd)
1231 int fd
1232 PREINIT:
1233 int* colour_table;
1234 int colours, q, w;
1235 i_img* rimg;
1236 SV* temp[3];
1237 AV* ct;
1238 SV* r;
1239 PPCODE:
1240 colour_table = NULL;
1241 colours = 0;
1242
1243 if(GIMME_V == G_ARRAY) {
1244 rimg = i_readgif(fd,&colour_table,&colours);
1245 } else {
1246 /* don't waste time with colours if they aren't wanted */
1247 rimg = i_readgif(fd,NULL,NULL);
1248 }
1249
1250 if (colour_table == NULL) {
1251 EXTEND(SP,1);
1252 r=sv_newmortal();
1253 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1254 PUSHs(r);
1255 } else {
1256 /* the following creates an [[r,g,b], [r, g, b], [r, g, b]...] */
1257 /* I don't know if I have the reference counts right or not :( */
1258 /* Neither do I :-) */
1259 /* No Idea here either */
1260
1261 ct=newAV();
1262 av_extend(ct, colours);
1263 for(q=0; q<colours; q++) {
1264 for(w=0; w<3; w++)
1265 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1266 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1267 }
1268 myfree(colour_table);
1269
1270 EXTEND(SP,2);
1271 r=sv_newmortal();
1272 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1273 PUSHs(r);
1274 PUSHs(newRV_noinc((SV*)ct));
1275 }
1276
1277
1278
1279
1280
1281void
1282i_readgif_scalar(...)
1283 PROTOTYPE: $
1284 PREINIT:
1285 char* data;
1286 unsigned int length;
1287 int* colour_table;
1288 int colours, q, w;
1289 i_img* rimg;
1290 SV* temp[3];
1291 AV* ct;
1292 SV* r;
1293 PPCODE:
1294 data = (char *)SvPV(ST(0), length);
1295 colour_table=NULL;
1296 colours=0;
1297
1298 if(GIMME_V == G_ARRAY) {
1299 rimg=i_readgif_scalar(data,length,&colour_table,&colours);
1300 } else {
1301 /* don't waste time with colours if they aren't wanted */
1302 rimg=i_readgif_scalar(data,length,NULL,NULL);
1303 }
1304
1305 if (colour_table == NULL) {
1306 EXTEND(SP,1);
1307 r=sv_newmortal();
1308 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1309 PUSHs(r);
1310 } else {
1311 /* the following creates an [[r,g,b], [r, g, b], [r, g, b]...] */
1312 /* I don't know if I have the reference counts right or not :( */
1313 /* Neither do I :-) */
1314 ct=newAV();
1315 av_extend(ct, colours);
1316 for(q=0; q<colours; q++) {
1317 for(w=0; w<3; w++)
1318 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1319 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1320 }
1321 myfree(colour_table);
1322
1323 EXTEND(SP,2);
1324 r=sv_newmortal();
1325 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1326 PUSHs(r);
1327 PUSHs(newRV_noinc((SV*)ct));
1328 }
1329
1330void
1331i_readgif_callback(...)
1332 PROTOTYPE: &
1333 PREINIT:
1334 char* data;
1335 int length;
1336 int* colour_table;
1337 int colours, q, w;
1338 i_img* rimg;
1339 SV* temp[3];
1340 AV* ct;
1341 SV* r;
1342 i_reader_data rd;
1343 PPCODE:
1344 rd.sv = ST(0);
1345 colour_table=NULL;
1346 colours=0;
1347
1348 if(GIMME_V == G_ARRAY) {
1349 rimg=i_readgif_callback(read_callback, (char *)&rd,&colour_table,&colours);
1350 } else {
1351 /* don't waste time with colours if they aren't wanted */
1352 rimg=i_readgif_callback(read_callback, (char *)&rd,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 /* Neither do I - maybe I'll move this somewhere */
1365 ct=newAV();
1366 av_extend(ct, colours);
1367 for(q=0; q<colours; q++) {
1368 for(w=0; w<3; w++)
1369 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1370 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1371 }
1372 myfree(colour_table);
1373
1374 EXTEND(SP,2);
1375 r=sv_newmortal();
1376 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1377 PUSHs(r);
1378 PUSHs(newRV_noinc((SV*)ct));
1379 }
1380
1381
1382
1383
1384
1385
1386#endif
1387
1388
1389
1390Imager::ImgRaw
1391i_readpnm_wiol(ig, length)
1392 Imager::IO ig
1393 int length
1394
1395
1396undef_int
1397i_writeppm(im,fd)
1398 Imager::ImgRaw im
1399 int fd
1400
1401Imager::ImgRaw
1402i_readraw(fd,x,y,datachannels,storechannels,intrl)
1403 int fd
1404 int x
1405 int y
1406 int datachannels
1407 int storechannels
1408 int intrl
1409
1410undef_int
1411i_writeraw(im,fd)
1412 Imager::ImgRaw im
1413 int fd
1414
1415
1416Imager::ImgRaw
1417i_scaleaxis(im,Value,Axis)
1418 Imager::ImgRaw im
1419 float Value
1420 int Axis
1421
1422Imager::ImgRaw
1423i_scale_nn(im,scx,scy)
1424 Imager::ImgRaw im
1425 float scx
1426 float scy
1427
1428Imager::ImgRaw
1429i_haar(im)
1430 Imager::ImgRaw im
1431
1432int
1433i_count_colors(im,maxc)
1434 Imager::ImgRaw im
1435 int maxc
1436
1437
1438Imager::ImgRaw
1439i_transform(im,opx,opy,parm)
1440 Imager::ImgRaw im
1441 PREINIT:
1442 double* parm;
1443 int* opx;
1444 int* opy;
1445 int opxl;
1446 int opyl;
1447 int parmlen;
1448 AV* av;
1449 SV* sv1;
1450 int i;
1451 CODE:
1452 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
1453 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to an array\n");
1454 if (!SvROK(ST(3))) croak("Imager: Parameter 3 must be a reference to an array\n");
1455 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
1456 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 must be a reference to an array\n");
1457 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 3 must be a reference to an array\n");
1458 av=(AV*)SvRV(ST(1));
1459 opxl=av_len(av)+1;
1460 opx=mymalloc( opxl*sizeof(int) );
1461 for(i=0;i<opxl;i++) {
1462 sv1=(*(av_fetch(av,i,0)));
1463 opx[i]=(int)SvIV(sv1);
1464 }
1465 av=(AV*)SvRV(ST(2));
1466 opyl=av_len(av)+1;
1467 opy=mymalloc( opyl*sizeof(int) );
1468 for(i=0;i<opyl;i++) {
1469 sv1=(*(av_fetch(av,i,0)));
1470 opy[i]=(int)SvIV(sv1);
1471 }
1472 av=(AV*)SvRV(ST(3));
1473 parmlen=av_len(av)+1;
1474 parm=mymalloc( parmlen*sizeof(double) );
1475 for(i=0;i<parmlen;i++) { /* FIXME: Bug? */
1476 sv1=(*(av_fetch(av,i,0)));
1477 parm[i]=(double)SvNV(sv1);
1478 }
1479 RETVAL=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
1480 myfree(parm);
1481 myfree(opy);
1482 myfree(opx);
1483 ST(0) = sv_newmortal();
1484 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1485 else sv_setref_pv(ST(0), "Imager::ImgRaw", (void*)RETVAL);
1486
1487Imager::ImgRaw
1488i_transform2(width,height,ops,n_regs,c_regs,in_imgs)
1489 PREINIT:
1490 int width;
1491 int height;
1492 double* parm;
1493 struct rm_op *ops;
1494 unsigned int ops_len;
1495 int ops_count;
1496 double *n_regs;
1497 int n_regs_count;
1498 i_color *c_regs;
1499 int c_regs_count;
1500 int in_imgs_count;
1501 i_img **in_imgs;
1502 AV* av;
1503 SV* sv1;
1504 IV tmp;
1505 int i;
1506 CODE:
1507 if (!SvROK(ST(3))) croak("Imager: Parameter 4 must be a reference to an array\n");
1508 if (!SvROK(ST(4))) croak("Imager: Parameter 5 must be a reference to an array\n");
1509 if (!SvROK(ST(5))) croak("Imager: Parameter 6 must be a reference to an array of images\n");
1510 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 4 must be a reference to an array\n");
1511 if (SvTYPE(SvRV(ST(4))) != SVt_PVAV) croak("Imager: Parameter 5 must be a reference to an array\n");
1512
1513 /*if (SvTYPE(SvRV(ST(5))) != SVt_PVAV) croak("Imager: Parameter 6 must be a reference to an array\n");*/
1514
1515 if (SvTYPE(SvRV(ST(5))) == SVt_PVAV) {
1516 av = (AV*)SvRV(ST(5));
1517 in_imgs_count = av_len(av)+1;
1518 for (i = 0; i < in_imgs_count; ++i) {
1519 sv1 = *av_fetch(av, i, 0);
1520 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
1521 croak("Parameter 5 must contain only images");
1522 }
1523 }
1524 }
1525 else {
1526 in_imgs_count = 0;
1527 }
1528 if (SvTYPE(SvRV(ST(5))) == SVt_PVAV) {
1529 av = (AV*)SvRV(ST(5));
1530 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
1531 for (i = 0; i < in_imgs_count; ++i) {
1532 sv1 = *av_fetch(av,i,0);
1533 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
1534 croak("Parameter 5 must contain only images");
1535 }
1536 tmp = SvIV((SV*)SvRV(sv1));
1537 in_imgs[i] = (i_img*)tmp;
1538 }
1539 }
1540 else {
1541 /* no input images */
1542 in_imgs = NULL;
1543 }
1544 /* default the output size from the first input if possible */
1545 if (SvOK(ST(0)))
1546 width = SvIV(ST(0));
1547 else if (in_imgs_count)
1548 width = in_imgs[0]->xsize;
1549 else
1550 croak("No output image width supplied");
1551
1552 if (SvOK(ST(1)))
1553 height = SvIV(ST(1));
1554 else if (in_imgs_count)
1555 height = in_imgs[0]->ysize;
1556 else
1557 croak("No output image height supplied");
1558
1559 ops = (struct rm_op *)SvPV(ST(2), ops_len);
1560 if (ops_len % sizeof(struct rm_op))
1561 croak("Imager: Parameter 3 must be a bitmap of regops\n");
1562 ops_count = ops_len / sizeof(struct rm_op);
1563 av = (AV*)SvRV(ST(3));
1564 n_regs_count = av_len(av)+1;
1565 n_regs = mymalloc(n_regs_count * sizeof(double));
1566 for (i = 0; i < n_regs_count; ++i) {
1567 sv1 = *av_fetch(av,i,0);
1568 if (SvOK(sv1))
1569 n_regs[i] = SvNV(sv1);
1570 }
1571 av = (AV*)SvRV(ST(4));
1572 c_regs_count = av_len(av)+1;
1573 c_regs = mymalloc(c_regs_count * sizeof(i_color));
1574 /* I don't bother initializing the colou?r registers */
1575
1576 RETVAL=i_transform2(width, height, 3, ops, ops_count,
1577 n_regs, n_regs_count,
1578 c_regs, c_regs_count, in_imgs, in_imgs_count);
1579 if (in_imgs)
1580 myfree(in_imgs);
1581 myfree(n_regs);
1582 myfree(c_regs);
1583 ST(0) = sv_newmortal();
1584 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1585 else sv_setref_pv(ST(0), "Imager::ImgRaw", (void*)RETVAL);
1586
1587
1588void
1589i_contrast(im,intensity)
1590 Imager::ImgRaw im
1591 float intensity
1592
1593void
1594i_hardinvert(im)
1595 Imager::ImgRaw im
1596
1597void
1598i_noise(im,amount,type)
1599 Imager::ImgRaw im
1600 float amount
1601 unsigned char type
1602
1603void
1604i_bumpmap(im,bump,channel,light_x,light_y,strength)
1605 Imager::ImgRaw im
1606 Imager::ImgRaw bump
1607 int channel
1608 int light_x
1609 int light_y
1610 int strength
1611
1612void
1613i_postlevels(im,levels)
1614 Imager::ImgRaw im
1615 int levels
1616
1617void
1618i_mosaic(im,size)
1619 Imager::ImgRaw im
1620 int size
1621
1622void
1623i_watermark(im,wmark,tx,ty,pixdiff)
1624 Imager::ImgRaw im
1625 Imager::ImgRaw wmark
1626 int tx
1627 int ty
1628 int pixdiff
1629
1630
1631void
1632i_autolevels(im,lsat,usat,skew)
1633 Imager::ImgRaw im
1634 float lsat
1635 float usat
1636 float skew
1637
1638void
1639i_radnoise(im,xo,yo,rscale,ascale)
1640 Imager::ImgRaw im
1641 float xo
1642 float yo
1643 float rscale
1644 float ascale
1645
1646void
1647i_turbnoise(im, xo, yo, scale)
1648 Imager::ImgRaw im
1649 float xo
1650 float yo
1651 float scale
1652
1653
1654void
1655i_gradgen(im, ...)
1656 Imager::ImgRaw im
1657 PREINIT:
1658 int num;
1659 int *xo;
1660 int *yo;
1661 i_color *ival;
1662 int dmeasure;
1663 int i;
1664 SV *sv;
1665 AV *axx;
1666 AV *ayy;
1667 AV *ac;
1668 CODE:
1669 if (items != 5)
1670 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
1671 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1672 croak("i_gradgen: Second argument must be an array ref");
1673 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1674 croak("i_gradgen: Third argument must be an array ref");
1675 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
1676 croak("i_gradgen: Fourth argument must be an array ref");
1677 axx = (AV *)SvRV(ST(1));
1678 ayy = (AV *)SvRV(ST(2));
1679 ac = (AV *)SvRV(ST(3));
1680 dmeasure = (int)SvIV(ST(4));
1681
1682 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
1683 num = num <= av_len(ac) ? num : av_len(ac);
1684 num++;
1685 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
1686 xo = mymalloc( sizeof(int) * num );
1687 yo = mymalloc( sizeof(int) * num );
1688 ival = mymalloc( sizeof(i_color) * num );
1689 for(i = 0; i<num; i++) {
1690 xo[i] = (int)SvIV(* av_fetch(axx, i, 0));
1691 yo[i] = (int)SvIV(* av_fetch(ayy, i, 0));
1692 sv = *av_fetch(ac, i, 0);
1693 if ( !sv_derived_from(sv, "Imager::Color") ) {
1694 free(axx); free(ayy); free(ac);
1695 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
1696 }
1697 ival[i] = *(i_color *)SvIV((SV *)SvRV(sv));
1698 }
1699 i_gradgen(im, num, xo, yo, ival, dmeasure);
1700
1701
1702
1703
1704
4f4f776a
TC
1705void
1706i_errors()
1707 PREINIT:
1708 i_errmsg *errors;
1709 int i;
1710 int count;
1711 AV *av;
1712 SV *ref;
1713 SV *sv;
1714 PPCODE:
1715 errors = i_errors();
1716 i = 0;
1717 while (errors[i].msg) {
1718 av = newAV();
1719 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
1720 if (!av_store(av, 0, sv)) {
1721 SvREFCNT_dec(sv);
1722 }
1723 sv = newSViv(errors[i].code);
1724 if (!av_store(av, 1, sv)) {
1725 SvREFCNT_dec(sv);
1726 }
1727 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
1728 ++i;
1729 }
02d1d628
AMH
1730
1731void
1732i_nearest_color(im, ...)
1733 Imager::ImgRaw im
1734 PREINIT:
1735 int num;
1736 int *xo;
1737 int *yo;
1738 i_color *ival;
1739 int dmeasure;
1740 int i;
1741 SV *sv;
1742 AV *axx;
1743 AV *ayy;
1744 AV *ac;
1745 CODE:
1746 if (items != 5)
1747 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
1748 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1749 croak("i_nearest_color: Second argument must be an array ref");
1750 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1751 croak("i_nearest_color: Third argument must be an array ref");
1752 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
1753 croak("i_nearest_color: Fourth argument must be an array ref");
1754 axx = (AV *)SvRV(ST(1));
1755 ayy = (AV *)SvRV(ST(2));
1756 ac = (AV *)SvRV(ST(3));
1757 dmeasure = (int)SvIV(ST(4));
1758
1759 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
1760 num = num <= av_len(ac) ? num : av_len(ac);
1761 num++;
1762 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
1763 xo = mymalloc( sizeof(int) * num );
1764 yo = mymalloc( sizeof(int) * num );
1765 ival = mymalloc( sizeof(i_color) * num );
1766 for(i = 0; i<num; i++) {
1767 xo[i] = (int)SvIV(* av_fetch(axx, i, 0));
1768 yo[i] = (int)SvIV(* av_fetch(ayy, i, 0));
1769 sv = *av_fetch(ac, i, 0);
1770 if ( !sv_derived_from(sv, "Imager::Color") ) {
1771 free(axx); free(ayy); free(ac);
1772 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
1773 }
1774 ival[i] = *(i_color *)SvIV((SV *)SvRV(sv));
1775 }
1776 i_nearest_color(im, num, xo, yo, ival, dmeasure);
1777
1778
1779
1780
1781void
1782malloc_state()
1783
1784void
1785hashinfo(hv)
1786 PREINIT:
1787 HV* hv;
1788 int stuff;
1789 PPCODE:
1790 if (!SvROK(ST(0))) croak("Imager: Parameter 0 must be a reference to a hash\n");
1791 hv=(HV*)SvRV(ST(0));
1792 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 0 must be a reference to a hash\n");
1793 if (getint(hv,"stuff",&stuff)) printf("ok: %d\n",stuff); else printf("key doesn't exist\n");
1794 if (getint(hv,"stuff2",&stuff)) printf("ok: %d\n",stuff); else printf("key doesn't exist\n");
1795
1796void
1797DSO_open(filename)
1798 char* filename
1799 PREINIT:
1800 void *rc;
1801 char *evstr;
1802 PPCODE:
1803 rc=DSO_open(filename,&evstr);
1804 if (rc!=NULL) {
1805 if (evstr!=NULL) {
1806 EXTEND(SP,2);
1807 PUSHs(sv_2mortal(newSViv((IV)rc)));
1808 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
1809 } else {
1810 EXTEND(SP,1);
1811 PUSHs(sv_2mortal(newSViv((IV)rc)));
1812 }
1813 }
1814
1815
1816undef_int
1817DSO_close(dso_handle)
1818 void* dso_handle
1819
1820void
1821DSO_funclist(dso_handle_v)
1822 void* dso_handle_v
1823 PREINIT:
1824 int i;
1825 DSO_handle *dso_handle;
1826 PPCODE:
1827 dso_handle=(DSO_handle*)dso_handle_v;
1828 i=0;
1829 while( dso_handle->function_list[i].name != NULL) {
1830 EXTEND(SP,1);
1831 PUSHs(sv_2mortal(newSVpv(dso_handle->function_list[i].name,0)));
1832 EXTEND(SP,1);
1833 PUSHs(sv_2mortal(newSVpv(dso_handle->function_list[i++].pcode,0)));
1834 }
1835
1836
1837void
1838DSO_call(handle,func_index,hv)
1839 void* handle
1840 int func_index
1841 PREINIT:
1842 HV* hv;
1843 PPCODE:
1844 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
1845 hv=(HV*)SvRV(ST(2));
1846 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
1847 DSO_call( (DSO_handle *)handle,func_index,hv);
1848
1849
1850
1851