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