added a new transparency ordered dither (works better for displays)
[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
03bd24d4
TC
1059void
1060i_giflib_version()
1061 PPCODE:
1062 PUSHs(sv_2mortal(newSVnv(IM_GIFMAJOR+IM_GIFMINOR*0.1)));
1063
02d1d628
AMH
1064undef_int
1065i_writegif(im,fd,colors,pixdev,fixed)
1066 Imager::ImgRaw im
1067 int fd
1068 int colors
1069 int pixdev
1070 PREINIT:
1071 int fixedlen;
1072 Imager__Color fixed;
1073 Imager__Color tmp;
1074 AV* av;
1075 SV* sv1;
1076 IV Itmp;
1077 int i;
1078 CODE:
1079 if (!SvROK(ST(4))) croak("Imager: Parameter 4 must be a reference to an array\n");
1080 if (SvTYPE(SvRV(ST(4))) != SVt_PVAV) croak("Imager: Parameter 4 must be a reference to an array\n");
1081 av=(AV*)SvRV(ST(4));
1082 fixedlen=av_len(av)+1;
1083 fixed=mymalloc( fixedlen*sizeof(i_color) );
1084 for(i=0;i<fixedlen;i++) {
1085 sv1=(*(av_fetch(av,i,0)));
1086 if (sv_derived_from(sv1, "Imager::Color")) {
1087 Itmp = SvIV((SV*)SvRV(sv1));
1088 tmp = (i_color*) Itmp;
1089 } else croak("Imager: one of the elements of array ref is not of Imager::Color type\n");
1090 fixed[i]=*tmp;
1091 }
1092 RETVAL=i_writegif(im,fd,colors,pixdev,fixedlen,fixed);
1093 myfree(fixed);
1094 ST(0) = sv_newmortal();
1095 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1096 else sv_setiv(ST(0), (IV)RETVAL);
1097
1098
1099
1100
1101undef_int
1102i_writegifmc(im,fd,colors)
1103 Imager::ImgRaw im
1104 int fd
1105 int colors
1106
1107undef_int
1108i_writegifex(im,fd)
1109 Imager::ImgRaw im
1110 int fd
1111
1112undef_int
1113i_writegif_gen(fd, ...)
1114 int fd
1115 PROTOTYPE: $$@
1116 PREINIT:
1117 i_quantize quant;
1118 i_gif_opts opts;
1119 i_img **imgs = NULL;
1120 int img_count;
1121 int i;
1122 HV *hv;
1123 CODE:
1124 if (items < 3)
1125 croak("Usage: i_writegif_gen(fd,hashref, images...)");
1126 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1127 croak("i_writegif_gen: Second argument must be a hash ref");
1128 hv = (HV *)SvRV(ST(1));
1129 memset(&quant, 0, sizeof(quant));
1130 quant.mc_size = 256;
1131 quant.mc_colors = mymalloc(quant.mc_size * sizeof(i_color));
1132 memset(&opts, 0, sizeof(opts));
1133 handle_quant_opts(&quant, hv);
1134 handle_gif_opts(&opts, hv);
1135 img_count = items - 2;
1136 RETVAL = 1;
1137 if (img_count < 1) {
1138 RETVAL = 0;
1139 }
1140 else {
1141 imgs = mymalloc(sizeof(i_img *) * img_count);
1142 for (i = 0; i < img_count; ++i) {
1143 SV *sv = ST(2+i);
1144 imgs[i] = NULL;
1145 if (SvROK(sv) && sv_derived_from(sv, "Imager::ImgRaw")) {
1146 imgs[i] = (i_img *)SvIV((SV*)SvRV(sv));
1147 }
1148 else {
1149 RETVAL = 0;
1150 break;
1151 }
1152 }
1153 if (RETVAL) {
1154 RETVAL = i_writegif_gen(&quant, fd, imgs, img_count, &opts);
1155 }
1156 myfree(imgs);
1157 if (RETVAL) {
1158 copy_colors_back(hv, &quant);
1159 }
1160 }
1161 ST(0) = sv_newmortal();
1162 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1163 else sv_setiv(ST(0), (IV)RETVAL);
1164
1165undef_int
1166i_writegif_callback(cb, maxbuffer,...)
1167 int maxbuffer;
1168 PREINIT:
1169 i_quantize quant;
1170 i_gif_opts opts;
1171 i_img **imgs = NULL;
1172 int img_count;
1173 int i;
1174 HV *hv;
1175 i_writer_data wd;
1176 CODE:
1177 if (items < 4)
1178 croak("Usage: i_writegif_callback(\\&callback,maxbuffer,hashref, images...)");
1179 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1180 croak("i_writegif_callback: Second argument must be a hash ref");
1181 hv = (HV *)SvRV(ST(2));
1182 memset(&quant, 0, sizeof(quant));
1183 quant.mc_size = 256;
1184 quant.mc_colors = mymalloc(quant.mc_size * sizeof(i_color));
1185 memset(&opts, 0, sizeof(opts));
1186 handle_quant_opts(&quant, hv);
1187 handle_gif_opts(&opts, hv);
1188 img_count = items - 3;
1189 RETVAL = 1;
1190 if (img_count < 1) {
1191 RETVAL = 0;
1192 }
1193 else {
1194 imgs = mymalloc(sizeof(i_img *) * img_count);
1195 for (i = 0; i < img_count; ++i) {
1196 SV *sv = ST(3+i);
1197 imgs[i] = NULL;
1198 if (SvROK(sv) && sv_derived_from(sv, "Imager::ImgRaw")) {
1199 imgs[i] = (i_img *)SvIV((SV*)SvRV(sv));
1200 }
1201 else {
1202 RETVAL = 0;
1203 break;
1204 }
1205 }
1206 if (RETVAL) {
1207 wd.sv = ST(0);
1208 RETVAL = i_writegif_callback(&quant, write_callback, (char *)&wd, maxbuffer, imgs, img_count, &opts);
1209 }
1210 myfree(imgs);
1211 if (RETVAL) {
1212 copy_colors_back(hv, &quant);
1213 }
1214 }
1215 ST(0) = sv_newmortal();
1216 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1217 else sv_setiv(ST(0), (IV)RETVAL);
1218
1219void
1220i_readgif(fd)
1221 int fd
1222 PREINIT:
1223 int* colour_table;
1224 int colours, q, w;
1225 i_img* rimg;
1226 SV* temp[3];
1227 AV* ct;
1228 SV* r;
1229 PPCODE:
1230 colour_table = NULL;
1231 colours = 0;
1232
1233 if(GIMME_V == G_ARRAY) {
1234 rimg = i_readgif(fd,&colour_table,&colours);
1235 } else {
1236 /* don't waste time with colours if they aren't wanted */
1237 rimg = i_readgif(fd,NULL,NULL);
1238 }
1239
1240 if (colour_table == NULL) {
1241 EXTEND(SP,1);
1242 r=sv_newmortal();
1243 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1244 PUSHs(r);
1245 } else {
1246 /* the following creates an [[r,g,b], [r, g, b], [r, g, b]...] */
1247 /* I don't know if I have the reference counts right or not :( */
1248 /* Neither do I :-) */
1249 /* No Idea here either */
1250
1251 ct=newAV();
1252 av_extend(ct, colours);
1253 for(q=0; q<colours; q++) {
1254 for(w=0; w<3; w++)
1255 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1256 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1257 }
1258 myfree(colour_table);
1259
1260 EXTEND(SP,2);
1261 r=sv_newmortal();
1262 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1263 PUSHs(r);
1264 PUSHs(newRV_noinc((SV*)ct));
1265 }
1266
1267
1268
1269
1270
1271void
1272i_readgif_scalar(...)
1273 PROTOTYPE: $
1274 PREINIT:
1275 char* data;
1276 unsigned int length;
1277 int* colour_table;
1278 int colours, q, w;
1279 i_img* rimg;
1280 SV* temp[3];
1281 AV* ct;
1282 SV* r;
1283 PPCODE:
1284 data = (char *)SvPV(ST(0), length);
1285 colour_table=NULL;
1286 colours=0;
1287
1288 if(GIMME_V == G_ARRAY) {
1289 rimg=i_readgif_scalar(data,length,&colour_table,&colours);
1290 } else {
1291 /* don't waste time with colours if they aren't wanted */
1292 rimg=i_readgif_scalar(data,length,NULL,NULL);
1293 }
1294
1295 if (colour_table == NULL) {
1296 EXTEND(SP,1);
1297 r=sv_newmortal();
1298 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1299 PUSHs(r);
1300 } else {
1301 /* the following creates an [[r,g,b], [r, g, b], [r, g, b]...] */
1302 /* I don't know if I have the reference counts right or not :( */
1303 /* Neither do I :-) */
1304 ct=newAV();
1305 av_extend(ct, colours);
1306 for(q=0; q<colours; q++) {
1307 for(w=0; w<3; w++)
1308 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1309 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1310 }
1311 myfree(colour_table);
1312
1313 EXTEND(SP,2);
1314 r=sv_newmortal();
1315 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1316 PUSHs(r);
1317 PUSHs(newRV_noinc((SV*)ct));
1318 }
1319
1320void
1321i_readgif_callback(...)
1322 PROTOTYPE: &
1323 PREINIT:
1324 char* data;
1325 int length;
1326 int* colour_table;
1327 int colours, q, w;
1328 i_img* rimg;
1329 SV* temp[3];
1330 AV* ct;
1331 SV* r;
1332 i_reader_data rd;
1333 PPCODE:
1334 rd.sv = ST(0);
1335 colour_table=NULL;
1336 colours=0;
1337
1338 if(GIMME_V == G_ARRAY) {
1339 rimg=i_readgif_callback(read_callback, (char *)&rd,&colour_table,&colours);
1340 } else {
1341 /* don't waste time with colours if they aren't wanted */
1342 rimg=i_readgif_callback(read_callback, (char *)&rd,NULL,NULL);
1343 }
1344
1345 if (colour_table == NULL) {
1346 EXTEND(SP,1);
1347 r=sv_newmortal();
1348 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1349 PUSHs(r);
1350 } else {
1351 /* the following creates an [[r,g,b], [r, g, b], [r, g, b]...] */
1352 /* I don't know if I have the reference counts right or not :( */
1353 /* Neither do I :-) */
1354 /* Neither do I - maybe I'll move this somewhere */
1355 ct=newAV();
1356 av_extend(ct, colours);
1357 for(q=0; q<colours; q++) {
1358 for(w=0; w<3; w++)
1359 temp[w]=sv_2mortal(newSViv(colour_table[q*3 + w]));
1360 av_store(ct, q, (SV*)newRV_noinc((SV*)av_make(3, temp)));
1361 }
1362 myfree(colour_table);
1363
1364 EXTEND(SP,2);
1365 r=sv_newmortal();
1366 sv_setref_pv(r, "Imager::ImgRaw", (void*)rimg);
1367 PUSHs(r);
1368 PUSHs(newRV_noinc((SV*)ct));
1369 }
1370
1371
1372
1373
1374
1375
1376#endif
1377
1378
1379
1380Imager::ImgRaw
1381i_readpnm_wiol(ig, length)
1382 Imager::IO ig
1383 int length
1384
1385
1386undef_int
1387i_writeppm(im,fd)
1388 Imager::ImgRaw im
1389 int fd
1390
1391Imager::ImgRaw
1392i_readraw(fd,x,y,datachannels,storechannels,intrl)
1393 int fd
1394 int x
1395 int y
1396 int datachannels
1397 int storechannels
1398 int intrl
1399
1400undef_int
1401i_writeraw(im,fd)
1402 Imager::ImgRaw im
1403 int fd
1404
1405
1406Imager::ImgRaw
1407i_scaleaxis(im,Value,Axis)
1408 Imager::ImgRaw im
1409 float Value
1410 int Axis
1411
1412Imager::ImgRaw
1413i_scale_nn(im,scx,scy)
1414 Imager::ImgRaw im
1415 float scx
1416 float scy
1417
1418Imager::ImgRaw
1419i_haar(im)
1420 Imager::ImgRaw im
1421
1422int
1423i_count_colors(im,maxc)
1424 Imager::ImgRaw im
1425 int maxc
1426
1427
1428Imager::ImgRaw
1429i_transform(im,opx,opy,parm)
1430 Imager::ImgRaw im
1431 PREINIT:
1432 double* parm;
1433 int* opx;
1434 int* opy;
1435 int opxl;
1436 int opyl;
1437 int parmlen;
1438 AV* av;
1439 SV* sv1;
1440 int i;
1441 CODE:
1442 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
1443 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to an array\n");
1444 if (!SvROK(ST(3))) croak("Imager: Parameter 3 must be a reference to an array\n");
1445 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
1446 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 must be a reference to an array\n");
1447 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 3 must be a reference to an array\n");
1448 av=(AV*)SvRV(ST(1));
1449 opxl=av_len(av)+1;
1450 opx=mymalloc( opxl*sizeof(int) );
1451 for(i=0;i<opxl;i++) {
1452 sv1=(*(av_fetch(av,i,0)));
1453 opx[i]=(int)SvIV(sv1);
1454 }
1455 av=(AV*)SvRV(ST(2));
1456 opyl=av_len(av)+1;
1457 opy=mymalloc( opyl*sizeof(int) );
1458 for(i=0;i<opyl;i++) {
1459 sv1=(*(av_fetch(av,i,0)));
1460 opy[i]=(int)SvIV(sv1);
1461 }
1462 av=(AV*)SvRV(ST(3));
1463 parmlen=av_len(av)+1;
1464 parm=mymalloc( parmlen*sizeof(double) );
1465 for(i=0;i<parmlen;i++) { /* FIXME: Bug? */
1466 sv1=(*(av_fetch(av,i,0)));
1467 parm[i]=(double)SvNV(sv1);
1468 }
1469 RETVAL=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
1470 myfree(parm);
1471 myfree(opy);
1472 myfree(opx);
1473 ST(0) = sv_newmortal();
1474 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1475 else sv_setref_pv(ST(0), "Imager::ImgRaw", (void*)RETVAL);
1476
1477Imager::ImgRaw
1478i_transform2(width,height,ops,n_regs,c_regs,in_imgs)
1479 PREINIT:
1480 int width;
1481 int height;
1482 double* parm;
1483 struct rm_op *ops;
1484 unsigned int ops_len;
1485 int ops_count;
1486 double *n_regs;
1487 int n_regs_count;
1488 i_color *c_regs;
1489 int c_regs_count;
1490 int in_imgs_count;
1491 i_img **in_imgs;
1492 AV* av;
1493 SV* sv1;
1494 IV tmp;
1495 int i;
1496 CODE:
1497 if (!SvROK(ST(3))) croak("Imager: Parameter 4 must be a reference to an array\n");
1498 if (!SvROK(ST(4))) croak("Imager: Parameter 5 must be a reference to an array\n");
1499 if (!SvROK(ST(5))) croak("Imager: Parameter 6 must be a reference to an array of images\n");
1500 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 4 must be a reference to an array\n");
1501 if (SvTYPE(SvRV(ST(4))) != SVt_PVAV) croak("Imager: Parameter 5 must be a reference to an array\n");
1502
1503 /*if (SvTYPE(SvRV(ST(5))) != SVt_PVAV) croak("Imager: Parameter 6 must be a reference to an array\n");*/
1504
1505 if (SvTYPE(SvRV(ST(5))) == SVt_PVAV) {
1506 av = (AV*)SvRV(ST(5));
1507 in_imgs_count = av_len(av)+1;
1508 for (i = 0; i < in_imgs_count; ++i) {
1509 sv1 = *av_fetch(av, i, 0);
1510 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
1511 croak("Parameter 5 must contain only images");
1512 }
1513 }
1514 }
1515 else {
1516 in_imgs_count = 0;
1517 }
1518 if (SvTYPE(SvRV(ST(5))) == SVt_PVAV) {
1519 av = (AV*)SvRV(ST(5));
1520 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
1521 for (i = 0; i < in_imgs_count; ++i) {
1522 sv1 = *av_fetch(av,i,0);
1523 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
1524 croak("Parameter 5 must contain only images");
1525 }
1526 tmp = SvIV((SV*)SvRV(sv1));
1527 in_imgs[i] = (i_img*)tmp;
1528 }
1529 }
1530 else {
1531 /* no input images */
1532 in_imgs = NULL;
1533 }
1534 /* default the output size from the first input if possible */
1535 if (SvOK(ST(0)))
1536 width = SvIV(ST(0));
1537 else if (in_imgs_count)
1538 width = in_imgs[0]->xsize;
1539 else
1540 croak("No output image width supplied");
1541
1542 if (SvOK(ST(1)))
1543 height = SvIV(ST(1));
1544 else if (in_imgs_count)
1545 height = in_imgs[0]->ysize;
1546 else
1547 croak("No output image height supplied");
1548
1549 ops = (struct rm_op *)SvPV(ST(2), ops_len);
1550 if (ops_len % sizeof(struct rm_op))
1551 croak("Imager: Parameter 3 must be a bitmap of regops\n");
1552 ops_count = ops_len / sizeof(struct rm_op);
1553 av = (AV*)SvRV(ST(3));
1554 n_regs_count = av_len(av)+1;
1555 n_regs = mymalloc(n_regs_count * sizeof(double));
1556 for (i = 0; i < n_regs_count; ++i) {
1557 sv1 = *av_fetch(av,i,0);
1558 if (SvOK(sv1))
1559 n_regs[i] = SvNV(sv1);
1560 }
1561 av = (AV*)SvRV(ST(4));
1562 c_regs_count = av_len(av)+1;
1563 c_regs = mymalloc(c_regs_count * sizeof(i_color));
1564 /* I don't bother initializing the colou?r registers */
1565
1566 RETVAL=i_transform2(width, height, 3, ops, ops_count,
1567 n_regs, n_regs_count,
1568 c_regs, c_regs_count, in_imgs, in_imgs_count);
1569 if (in_imgs)
1570 myfree(in_imgs);
1571 myfree(n_regs);
1572 myfree(c_regs);
1573 ST(0) = sv_newmortal();
1574 if (RETVAL == 0) ST(0)=&PL_sv_undef;
1575 else sv_setref_pv(ST(0), "Imager::ImgRaw", (void*)RETVAL);
1576
1577
1578void
1579i_contrast(im,intensity)
1580 Imager::ImgRaw im
1581 float intensity
1582
1583void
1584i_hardinvert(im)
1585 Imager::ImgRaw im
1586
1587void
1588i_noise(im,amount,type)
1589 Imager::ImgRaw im
1590 float amount
1591 unsigned char type
1592
1593void
1594i_bumpmap(im,bump,channel,light_x,light_y,strength)
1595 Imager::ImgRaw im
1596 Imager::ImgRaw bump
1597 int channel
1598 int light_x
1599 int light_y
1600 int strength
1601
1602void
1603i_postlevels(im,levels)
1604 Imager::ImgRaw im
1605 int levels
1606
1607void
1608i_mosaic(im,size)
1609 Imager::ImgRaw im
1610 int size
1611
1612void
1613i_watermark(im,wmark,tx,ty,pixdiff)
1614 Imager::ImgRaw im
1615 Imager::ImgRaw wmark
1616 int tx
1617 int ty
1618 int pixdiff
1619
1620
1621void
1622i_autolevels(im,lsat,usat,skew)
1623 Imager::ImgRaw im
1624 float lsat
1625 float usat
1626 float skew
1627
1628void
1629i_radnoise(im,xo,yo,rscale,ascale)
1630 Imager::ImgRaw im
1631 float xo
1632 float yo
1633 float rscale
1634 float ascale
1635
1636void
1637i_turbnoise(im, xo, yo, scale)
1638 Imager::ImgRaw im
1639 float xo
1640 float yo
1641 float scale
1642
1643
1644void
1645i_gradgen(im, ...)
1646 Imager::ImgRaw im
1647 PREINIT:
1648 int num;
1649 int *xo;
1650 int *yo;
1651 i_color *ival;
1652 int dmeasure;
1653 int i;
1654 SV *sv;
1655 AV *axx;
1656 AV *ayy;
1657 AV *ac;
1658 CODE:
1659 if (items != 5)
1660 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
1661 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1662 croak("i_gradgen: Second argument must be an array ref");
1663 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1664 croak("i_gradgen: Third argument must be an array ref");
1665 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
1666 croak("i_gradgen: Fourth argument must be an array ref");
1667 axx = (AV *)SvRV(ST(1));
1668 ayy = (AV *)SvRV(ST(2));
1669 ac = (AV *)SvRV(ST(3));
1670 dmeasure = (int)SvIV(ST(4));
1671
1672 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
1673 num = num <= av_len(ac) ? num : av_len(ac);
1674 num++;
1675 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
1676 xo = mymalloc( sizeof(int) * num );
1677 yo = mymalloc( sizeof(int) * num );
1678 ival = mymalloc( sizeof(i_color) * num );
1679 for(i = 0; i<num; i++) {
1680 xo[i] = (int)SvIV(* av_fetch(axx, i, 0));
1681 yo[i] = (int)SvIV(* av_fetch(ayy, i, 0));
1682 sv = *av_fetch(ac, i, 0);
1683 if ( !sv_derived_from(sv, "Imager::Color") ) {
1684 free(axx); free(ayy); free(ac);
1685 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
1686 }
1687 ival[i] = *(i_color *)SvIV((SV *)SvRV(sv));
1688 }
1689 i_gradgen(im, num, xo, yo, ival, dmeasure);
1690
1691
1692
1693
1694
4f4f776a
TC
1695void
1696i_errors()
1697 PREINIT:
1698 i_errmsg *errors;
1699 int i;
1700 int count;
1701 AV *av;
1702 SV *ref;
1703 SV *sv;
1704 PPCODE:
1705 errors = i_errors();
1706 i = 0;
1707 while (errors[i].msg) {
1708 av = newAV();
1709 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
1710 if (!av_store(av, 0, sv)) {
1711 SvREFCNT_dec(sv);
1712 }
1713 sv = newSViv(errors[i].code);
1714 if (!av_store(av, 1, sv)) {
1715 SvREFCNT_dec(sv);
1716 }
1717 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
1718 ++i;
1719 }
02d1d628
AMH
1720
1721void
1722i_nearest_color(im, ...)
1723 Imager::ImgRaw im
1724 PREINIT:
1725 int num;
1726 int *xo;
1727 int *yo;
1728 i_color *ival;
1729 int dmeasure;
1730 int i;
1731 SV *sv;
1732 AV *axx;
1733 AV *ayy;
1734 AV *ac;
1735 CODE:
1736 if (items != 5)
1737 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
1738 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
1739 croak("i_nearest_color: Second argument must be an array ref");
1740 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
1741 croak("i_nearest_color: Third argument must be an array ref");
1742 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
1743 croak("i_nearest_color: Fourth argument must be an array ref");
1744 axx = (AV *)SvRV(ST(1));
1745 ayy = (AV *)SvRV(ST(2));
1746 ac = (AV *)SvRV(ST(3));
1747 dmeasure = (int)SvIV(ST(4));
1748
1749 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
1750 num = num <= av_len(ac) ? num : av_len(ac);
1751 num++;
1752 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
1753 xo = mymalloc( sizeof(int) * num );
1754 yo = mymalloc( sizeof(int) * num );
1755 ival = mymalloc( sizeof(i_color) * num );
1756 for(i = 0; i<num; i++) {
1757 xo[i] = (int)SvIV(* av_fetch(axx, i, 0));
1758 yo[i] = (int)SvIV(* av_fetch(ayy, i, 0));
1759 sv = *av_fetch(ac, i, 0);
1760 if ( !sv_derived_from(sv, "Imager::Color") ) {
1761 free(axx); free(ayy); free(ac);
1762 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
1763 }
1764 ival[i] = *(i_color *)SvIV((SV *)SvRV(sv));
1765 }
1766 i_nearest_color(im, num, xo, yo, ival, dmeasure);
1767
1768
1769
1770
1771void
1772malloc_state()
1773
1774void
1775hashinfo(hv)
1776 PREINIT:
1777 HV* hv;
1778 int stuff;
1779 PPCODE:
1780 if (!SvROK(ST(0))) croak("Imager: Parameter 0 must be a reference to a hash\n");
1781 hv=(HV*)SvRV(ST(0));
1782 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 0 must be a reference to a hash\n");
1783 if (getint(hv,"stuff",&stuff)) printf("ok: %d\n",stuff); else printf("key doesn't exist\n");
1784 if (getint(hv,"stuff2",&stuff)) printf("ok: %d\n",stuff); else printf("key doesn't exist\n");
1785
1786void
1787DSO_open(filename)
1788 char* filename
1789 PREINIT:
1790 void *rc;
1791 char *evstr;
1792 PPCODE:
1793 rc=DSO_open(filename,&evstr);
1794 if (rc!=NULL) {
1795 if (evstr!=NULL) {
1796 EXTEND(SP,2);
1797 PUSHs(sv_2mortal(newSViv((IV)rc)));
1798 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
1799 } else {
1800 EXTEND(SP,1);
1801 PUSHs(sv_2mortal(newSViv((IV)rc)));
1802 }
1803 }
1804
1805
1806undef_int
1807DSO_close(dso_handle)
1808 void* dso_handle
1809
1810void
1811DSO_funclist(dso_handle_v)
1812 void* dso_handle_v
1813 PREINIT:
1814 int i;
1815 DSO_handle *dso_handle;
1816 PPCODE:
1817 dso_handle=(DSO_handle*)dso_handle_v;
1818 i=0;
1819 while( dso_handle->function_list[i].name != NULL) {
1820 EXTEND(SP,1);
1821 PUSHs(sv_2mortal(newSVpv(dso_handle->function_list[i].name,0)));
1822 EXTEND(SP,1);
1823 PUSHs(sv_2mortal(newSVpv(dso_handle->function_list[i++].pcode,0)));
1824 }
1825
1826
1827void
1828DSO_call(handle,func_index,hv)
1829 void* handle
1830 int func_index
1831 PREINIT:
1832 HV* hv;
1833 PPCODE:
1834 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
1835 hv=(HV*)SvRV(ST(2));
1836 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
1837 DSO_call( (DSO_handle *)handle,func_index,hv);
1838
1839
1840
1841