1 #define PERL_NO_GET_CONTEXT
8 #define NEED_newRV_noinc
9 #define NEED_sv_2pv_nolen
10 #define NEED_sv_2pvbyte
16 #define i_int_hlines_testing() 1
23 #include "imextpltypes.h"
26 #if i_int_hlines_testing()
34 Context object management
38 typedef im_context_t Imager__Context;
40 #define im_context_DESTROY(ctx) im_context_refdec((ctx), "DESTROY")
42 #ifdef PERL_IMPLICIT_CONTEXT
44 #define MY_CXT_KEY "Imager::_context" XS_VERSION
52 im_context_t fallback_context;
57 MY_CXT.ctx = im_context_new();
58 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
60 /* Ideally we'd free this reference, but the error message memory
61 was never released on exit, so the associated memory here is reasonable
63 With logging enabled we always need at least one context, since
64 objects may be released fairly late and attempt to get the log file.
66 im_context_refinc(MY_CXT.ctx, "start_context");
67 fallback_context = MY_CXT.ctx;
71 perl_get_context(void) {
75 return MY_CXT.ctx ? MY_CXT.ctx : fallback_context;
80 static im_context_t perl_context;
84 perl_context = im_context_new();
85 im_context_refinc(perl_context, "start_context");
89 perl_get_context(void) {
95 /* used to represent channel lists parameters */
96 typedef struct i_channel_list_tag {
103 const i_sample_t *samples;
108 const i_fsample_t *samples;
113 Allocate memory that will be discarded when mortals are discarded.
118 malloc_temp(pTHX_ size_t size) {
119 SV *sv = sv_2mortal(newSV(size));
124 /* These functions are all shared - then comes platform dependant code */
125 static int getstr(void *hv_t,char *key,char **store) {
130 mm_log((1,"getstr(hv_t %p, key %s, store %p)\n",hv_t,key,store));
132 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
134 svpp=hv_fetch(hv, key, strlen(key), 0);
135 *store=SvPV(*svpp, PL_na );
140 static int getint(void *hv_t,char *key,int *store) {
145 mm_log((1,"getint(hv_t %p, key %s, store %p)\n",hv_t,key,store));
147 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
149 svpp=hv_fetch(hv, key, strlen(key), 0);
150 *store=(int)SvIV(*svpp);
154 static int getdouble(void *hv_t,char* key,double *store) {
159 mm_log((1,"getdouble(hv_t %p, key %s, store %p)\n",hv_t,key,store));
161 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
162 svpp=hv_fetch(hv, key, strlen(key), 0);
163 *store=(double)SvNV(*svpp);
167 static int getvoid(void *hv_t,char* key,void **store) {
172 mm_log((1,"getvoid(hv_t %p, key %s, store %p)\n",hv_t,key,store));
174 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
176 svpp=hv_fetch(hv, key, strlen(key), 0);
177 *store = INT2PTR(void*, SvIV(*svpp));
182 static int getobj(void *hv_t,char *key,char *type,void **store) {
187 mm_log((1,"getobj(hv_t %p, key %s,type %s, store %p)\n",hv_t,key,type,store));
189 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
191 svpp=hv_fetch(hv, key, strlen(key), 0);
193 if (sv_derived_from(*svpp,type)) {
194 IV tmp = SvIV((SV*)SvRV(*svpp));
195 *store = INT2PTR(void*, tmp);
197 mm_log((1,"getobj: key exists in hash but is not of correct type"));
204 UTIL_table_t i_UTIL_table={getstr,getint,getdouble,getvoid,getobj};
206 void my_SvREFCNT_dec(void *p) {
208 SvREFCNT_dec((SV*)p);
213 i_log_entry(char *string, int level) {
214 mm_log((level, "%s", string));
218 make_i_color_sv(pTHX_ const i_color *c) {
220 i_color *col = mymalloc(sizeof(i_color));
223 sv_setref_pv(sv, "Imager::Color", (void *)col);
228 #define CBDATA_BUFSIZE 8192
231 /* the SVs we use to call back to Perl */
239 call_reader(struct cbdata *cbd, void *buf, size_t size,
247 if (!SvOK(cbd->readcb)) {
248 mm_log((1, "read callback called but no readcb supplied\n"));
249 i_push_error(0, "read callback called but no readcb supplied");
257 PUSHs(sv_2mortal(newSViv(size)));
258 PUSHs(sv_2mortal(newSViv(maxread)));
261 count = perl_call_sv(cbd->readcb, G_SCALAR);
266 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
272 char *ptr = SvPVbyte(data, len);
274 croak("Too much data returned in reader callback (wanted %d, got %d, expected %d)",
275 (int)size, (int)len, (int)maxread);
277 memcpy(buf, ptr, len);
292 io_seeker(void *p, off_t offset, int whence) {
294 struct cbdata *cbd = p;
299 if (!SvOK(cbd->seekcb)) {
300 mm_log((1, "seek callback called but no seekcb supplied\n"));
301 i_push_error(0, "seek callback called but no seekcb supplied");
309 PUSHs(sv_2mortal(newSViv(offset)));
310 PUSHs(sv_2mortal(newSViv(whence)));
313 count = perl_call_sv(cbd->seekcb, G_SCALAR);
318 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
330 io_writer(void *p, void const *data, size_t size) {
332 struct cbdata *cbd = p;
338 if (!SvOK(cbd->writecb)) {
339 mm_log((1, "write callback called but no writecb supplied\n"));
340 i_push_error(0, "write callback called but no writecb supplied");
348 PUSHs(sv_2mortal(newSVpv((char *)data, size)));
351 count = perl_call_sv(cbd->writecb, G_SCALAR);
355 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
358 success = SvTRUE(sv);
365 return success ? size : -1;
369 io_reader(void *p, void *data, size_t size) {
370 struct cbdata *cbd = p;
372 return call_reader(cbd, data, size, size);
375 static int io_closer(void *p) {
377 struct cbdata *cbd = p;
380 if (SvOK(cbd->closecb)) {
390 count = perl_call_sv(cbd->closecb, G_SCALAR);
395 success = SvTRUE(sv);
402 return success ? 0 : -1;
405 static void io_destroyer(void *p) {
407 struct cbdata *cbd = p;
409 SvREFCNT_dec(cbd->writecb);
410 SvREFCNT_dec(cbd->readcb);
411 SvREFCNT_dec(cbd->seekcb);
412 SvREFCNT_dec(cbd->closecb);
417 do_io_new_buffer(pTHX_ SV *data_sv) {
421 data = SvPVbyte(data_sv, length);
422 SvREFCNT_inc(data_sv);
423 return io_new_buffer(data, length, my_SvREFCNT_dec, data_sv);
427 describe_sv(SV *sv) {
430 svtype type = SvTYPE(SvRV(sv));
432 case SVt_PVCV: return "CV";
433 case SVt_PVGV: return "GV";
434 case SVt_PVLV: return "LV";
435 default: return "some reference";
439 return "non-reference scalar";
448 do_io_new_cb(pTHX_ SV *writecb, SV *readcb, SV *seekcb, SV *closecb) {
451 cbd = mymalloc(sizeof(struct cbdata));
452 cbd->writecb = newSVsv(writecb);
453 cbd->readcb = newSVsv(readcb);
454 cbd->seekcb = newSVsv(seekcb);
455 cbd->closecb = newSVsv(closecb);
457 mm_log((1, "do_io_new_cb(writecb %p (%s), readcb %p (%s), seekcb %p (%s), closecb %p (%s))\n", writecb, describe_sv(writecb), readcb, describe_sv(readcb), seekcb, describe_sv(seekcb), closecb, describe_sv(closecb)));
459 return io_new_cb(cbd, io_reader, io_writer, io_seeker, io_closer,
467 static int lookup_name(struct value_name *names, int count, char *name, int def_value)
470 for (i = 0; i < count; ++i)
471 if (strEQ(names[i].name, name))
472 return names[i].value;
476 static struct value_name transp_names[] =
479 { "threshold", tr_threshold },
480 { "errdiff", tr_errdiff },
481 { "ordered", tr_ordered, },
484 static struct value_name make_color_names[] =
486 { "none", mc_none, },
487 { "webmap", mc_web_map, },
488 { "addi", mc_addi, },
489 { "mediancut", mc_median_cut, },
490 { "mono", mc_mono, },
491 { "monochrome", mc_mono, },
492 { "gray", mc_gray, },
493 { "gray4", mc_gray4, },
494 { "gray16", mc_gray16, },
497 static struct value_name translate_names[] =
499 { "giflib", pt_giflib, },
500 { "closest", pt_closest, },
501 { "perturb", pt_perturb, },
502 { "errdiff", pt_errdiff, },
505 static struct value_name errdiff_names[] =
507 { "floyd", ed_floyd, },
508 { "jarvis", ed_jarvis, },
509 { "stucki", ed_stucki, },
510 { "custom", ed_custom, },
513 static struct value_name orddith_names[] =
515 { "random", od_random, },
516 { "dot8", od_dot8, },
517 { "dot4", od_dot4, },
518 { "hline", od_hline, },
519 { "vline", od_vline, },
520 { "/line", od_slashline, },
521 { "slashline", od_slashline, },
522 { "\\line", od_backline, },
523 { "backline", od_backline, },
524 { "tiny", od_tiny, },
525 { "custom", od_custom, },
528 /* look through the hash for quantization options */
530 ip_handle_quant_opts(pTHX_ i_quantize *quant, HV *hv)
532 /*** POSSIBLY BROKEN: do I need to unref the SV from hv_fetch ***/
538 quant->mc_colors = mymalloc(quant->mc_size * sizeof(i_color));
540 sv = hv_fetch(hv, "transp", 6, 0);
541 if (sv && *sv && (str = SvPV(*sv, len))) {
543 lookup_name(transp_names, sizeof(transp_names)/sizeof(*transp_names),
545 if (quant->transp != tr_none) {
546 quant->tr_threshold = 127;
547 sv = hv_fetch(hv, "tr_threshold", 12, 0);
549 quant->tr_threshold = SvIV(*sv);
551 if (quant->transp == tr_errdiff) {
552 sv = hv_fetch(hv, "tr_errdiff", 10, 0);
553 if (sv && *sv && (str = SvPV(*sv, len)))
554 quant->tr_errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
556 if (quant->transp == tr_ordered) {
557 quant->tr_orddith = od_tiny;
558 sv = hv_fetch(hv, "tr_orddith", 10, 0);
559 if (sv && *sv && (str = SvPV(*sv, len)))
560 quant->tr_orddith = lookup_name(orddith_names, sizeof(orddith_names)/sizeof(*orddith_names), str, od_random);
562 if (quant->tr_orddith == od_custom) {
563 sv = hv_fetch(hv, "tr_map", 6, 0);
564 if (sv && *sv && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
565 AV *av = (AV*)SvRV(*sv);
566 len = av_len(av) + 1;
567 if (len > sizeof(quant->tr_custom))
568 len = sizeof(quant->tr_custom);
569 for (i = 0; i < len; ++i) {
570 SV **sv2 = av_fetch(av, i, 0);
572 quant->tr_custom[i] = SvIV(*sv2);
575 while (i < sizeof(quant->tr_custom))
576 quant->tr_custom[i++] = 0;
581 quant->make_colors = mc_median_cut;
582 sv = hv_fetch(hv, "make_colors", 11, 0);
583 if (sv && *sv && (str = SvPV(*sv, len))) {
585 lookup_name(make_color_names, sizeof(make_color_names)/sizeof(*make_color_names), str, mc_median_cut);
587 sv = hv_fetch(hv, "colors", 6, 0);
588 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
589 /* needs to be an array of Imager::Color
590 note that the caller allocates the mc_color array and sets mc_size
592 AV *av = (AV *)SvRV(*sv);
593 quant->mc_count = av_len(av)+1;
594 if (quant->mc_count > quant->mc_size)
595 quant->mc_count = quant->mc_size;
596 for (i = 0; i < quant->mc_count; ++i) {
597 SV **sv1 = av_fetch(av, i, 0);
598 if (sv1 && *sv1 && SvROK(*sv1) && sv_derived_from(*sv1, "Imager::Color")) {
599 i_color *col = INT2PTR(i_color *, SvIV((SV*)SvRV(*sv1)));
600 quant->mc_colors[i] = *col;
604 sv = hv_fetch(hv, "max_colors", 10, 0);
607 if (i <= quant->mc_size && i >= quant->mc_count)
611 quant->translate = pt_closest;
612 sv = hv_fetch(hv, "translate", 9, 0);
613 if (sv && *sv && (str = SvPV(*sv, len))) {
614 quant->translate = lookup_name(translate_names, sizeof(translate_names)/sizeof(*translate_names), str, pt_closest);
616 sv = hv_fetch(hv, "errdiff", 7, 0);
617 if (sv && *sv && (str = SvPV(*sv, len))) {
618 quant->errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
620 if (quant->translate == pt_errdiff && quant->errdiff == ed_custom) {
621 /* get the error diffusion map */
622 sv = hv_fetch(hv, "errdiff_width", 13, 0);
624 quant->ed_width = SvIV(*sv);
625 sv = hv_fetch(hv, "errdiff_height", 14, 0);
627 quant->ed_height = SvIV(*sv);
628 sv = hv_fetch(hv, "errdiff_orig", 12, 0);
630 quant->ed_orig = SvIV(*sv);
631 if (quant->ed_width > 0 && quant->ed_height > 0) {
633 quant->ed_map = mymalloc(sizeof(int)*quant->ed_width*quant->ed_height);
634 sv = hv_fetch(hv, "errdiff_map", 11, 0);
635 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
636 AV *av = (AV*)SvRV(*sv);
637 len = av_len(av) + 1;
638 if (len > quant->ed_width * quant->ed_height)
639 len = quant->ed_width * quant->ed_height;
640 for (i = 0; i < len; ++i) {
641 SV **sv2 = av_fetch(av, i, 0);
643 quant->ed_map[i] = SvIV(*sv2);
644 sum += quant->ed_map[i];
650 myfree(quant->ed_map);
652 quant->errdiff = ed_floyd;
656 sv = hv_fetch(hv, "perturb", 7, 0);
658 quant->perturb = SvIV(*sv);
662 ip_cleanup_quant_opts(pTHX_ i_quantize *quant) {
663 myfree(quant->mc_colors);
665 myfree(quant->ed_map);
668 /* copies the color map from the hv into the colors member of the HV */
670 ip_copy_colors_back(pTHX_ HV *hv, i_quantize *quant) {
676 sv = hv_fetch(hv, "colors", 6, 0);
677 if (!sv || !*sv || !SvROK(*sv) || SvTYPE(SvRV(*sv)) != SVt_PVAV) {
682 av = (AV *)SvRV(*sv);
684 av_extend(av, quant->mc_count+1);
685 for (i = 0; i < quant->mc_count; ++i) {
686 i_color *in = quant->mc_colors+i;
687 Imager__Color c = ICL_new_internal(in->rgb.r, in->rgb.g, in->rgb.b, 255);
688 work = sv_newmortal();
689 sv_setref_pv(work, "Imager::Color", (void *)c);
695 /* loads the segments of a fountain fill into an array */
696 static i_fountain_seg *
697 load_fount_segs(pTHX_ AV *asegs, int *count) {
698 /* Each element of segs must contain:
699 [ start, middle, end, c0, c1, segtype, colortrans ]
700 start, middle, end are doubles from 0 to 1
701 c0, c1 are Imager::Color::Float or Imager::Color objects
702 segtype, colortrans are ints
706 i_fountain_seg *segs;
710 *count = av_len(asegs)+1;
712 croak("i_fountain must have at least one segment");
713 segs = mymalloc(sizeof(i_fountain_seg) * *count);
714 for(i = 0; i < *count; i++) {
715 SV **sv1 = av_fetch(asegs, i, 0);
716 if (!sv1 || !*sv1 || !SvROK(*sv1)
717 || SvTYPE(SvRV(*sv1)) != SVt_PVAV) {
719 croak("i_fountain: segs must be an arrayref of arrayrefs");
721 aseg = (AV *)SvRV(*sv1);
722 if (av_len(aseg) != 7-1) {
724 croak("i_fountain: a segment must have 7 members");
726 for (j = 0; j < 3; ++j) {
727 SV **sv2 = av_fetch(aseg, j, 0);
730 croak("i_fountain: XS error");
732 work[j] = SvNV(*sv2);
734 segs[i].start = work[0];
735 segs[i].middle = work[1];
736 segs[i].end = work[2];
737 for (j = 0; j < 2; ++j) {
738 SV **sv3 = av_fetch(aseg, 3+j, 0);
739 if (!sv3 || !*sv3 || !SvROK(*sv3) ||
740 (!sv_derived_from(*sv3, "Imager::Color")
741 && !sv_derived_from(*sv3, "Imager::Color::Float"))) {
743 croak("i_fountain: segs must contain colors in elements 3 and 4");
745 if (sv_derived_from(*sv3, "Imager::Color::Float")) {
746 segs[i].c[j] = *INT2PTR(i_fcolor *, SvIV((SV *)SvRV(*sv3)));
749 i_color c = *INT2PTR(i_color *, SvIV((SV *)SvRV(*sv3)));
751 for (ch = 0; ch < MAXCHANNELS; ++ch) {
752 segs[i].c[j].channel[ch] = c.channel[ch] / 255.0;
756 for (j = 0; j < 2; ++j) {
757 SV **sv2 = av_fetch(aseg, j+5, 0);
760 croak("i_fountain: XS error");
762 worki[j] = SvIV(*sv2);
764 segs[i].type = worki[0];
765 segs[i].color = worki[1];
771 /* validates the indexes supplied to i_ppal
773 i_ppal() doesn't do that for speed, but I'm not comfortable doing that
778 validate_i_ppal(i_img *im, i_palidx const *indexes, int count) {
779 int color_count = i_colorcount(im);
782 if (color_count == -1)
783 croak("i_plin() called on direct color image");
785 for (i = 0; i < count; ++i) {
786 if (indexes[i] >= color_count) {
787 croak("i_plin() called with out of range color index %d (max %d)",
788 indexes[i], color_count-1);
793 /* I don't think ICLF_* names belong at the C interface
794 this makes the XS code think we have them, to let us avoid
795 putting function bodies in the XS code
797 #define ICLF_new_internal(r, g, b, a) i_fcolor_new((r), (g), (b), (a))
798 #define ICLF_DESTROY(cl) i_fcolor_destroy(cl)
801 #define i_log_enabled() 1
803 #define i_log_enabled() 0
806 #if i_int_hlines_testing()
808 typedef i_int_hlines *Imager__Internal__Hlines;
810 static i_int_hlines *
811 i_int_hlines_new(i_img_dim start_y, i_img_dim count_y, i_img_dim start_x, i_img_dim count_x) {
812 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
813 i_int_init_hlines(result, start_y, count_y, start_x, count_x);
818 static i_int_hlines *
819 i_int_hlines_new_img(i_img *im) {
820 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
821 i_int_init_hlines_img(result, im);
827 i_int_hlines_DESTROY(i_int_hlines *hlines) {
828 i_int_hlines_destroy(hlines);
832 #define i_int_hlines_CLONE_SKIP(cls) 1
834 static int seg_compare(const void *vleft, const void *vright) {
835 const i_int_hline_seg *left = vleft;
836 const i_int_hline_seg *right = vright;
838 return left->minx - right->minx;
842 i_int_hlines_dump(i_int_hlines *hlines) {
844 SV *dump = newSVpvf("start_y: %" i_DF " limit_y: %" i_DF " start_x: %" i_DF " limit_x: %" i_DF"\n",
845 i_DFc(hlines->start_y), i_DFc(hlines->limit_y), i_DFc(hlines->start_x), i_DFc(hlines->limit_x));
848 for (y = hlines->start_y; y < hlines->limit_y; ++y) {
849 i_int_hline_entry *entry = hlines->entries[y-hlines->start_y];
852 /* sort the segments, if any */
854 qsort(entry->segs, entry->count, sizeof(i_int_hline_seg), seg_compare);
856 sv_catpvf(dump, " %" i_DF " (%" i_DF "):", i_DFc(y), i_DFc(entry->count));
857 for (i = 0; i < entry->count; ++i) {
858 sv_catpvf(dump, " [%" i_DF ", %" i_DF ")", i_DFc(entry->segs[i].minx),
859 i_DFc(entry->segs[i].x_limit));
861 sv_catpv(dump, "\n");
871 i_sv_off_t(pTHX_ SV *sv) {
872 #if LSEEKSIZE > IVSIZE
873 return (off_t)SvNV(sv);
875 return (off_t)SvIV(sv);
880 i_new_sv_off_t(pTHX_ off_t off) {
881 #if LSEEKSIZE > IVSIZE
888 static im_pl_ext_funcs im_perl_funcs =
890 IMAGER_PL_API_VERSION,
892 ip_handle_quant_opts,
893 ip_cleanup_quant_opts,
897 #define PERL_PL_SET_GLOBAL_CALLBACKS \
898 sv_setiv(get_sv(PERL_PL_FUNCTION_TABLE_NAME, 1), PTR2IV(&im_perl_funcs));
900 #define IIM_new i_img_8_new
901 #define IIM_DESTROY i_img_destroy
904 #define i_exif_enabled() 1
906 #define i_exif_enabled() 0
909 /* trying to use more C style names, map them here */
910 #define i_io_DESTROY(ig) io_glue_destroy(ig)
912 #define i_img_get_width(im) ((im)->xsize)
913 #define i_img_get_height(im) ((im)->ysize)
915 #define i_img_epsilonf() (DBL_EPSILON * 4)
917 /* avoid some xsubpp strangeness */
920 MODULE = Imager PACKAGE = Imager::Color PREFIX = ICL_
923 ICL_new_internal(r,g,b,a)
935 ICL_set_internal(cl,r,g,b,a)
942 ICL_set_internal(cl, r, g, b, a);
956 PUSHs(sv_2mortal(newSVnv(cl->rgba.r)));
957 PUSHs(sv_2mortal(newSVnv(cl->rgba.g)));
958 PUSHs(sv_2mortal(newSVnv(cl->rgba.b)));
959 PUSHs(sv_2mortal(newSVnv(cl->rgba.a)));
965 RETVAL = mymalloc(sizeof(i_color));
967 i_hsv_to_rgb(RETVAL);
975 RETVAL = mymalloc(sizeof(i_color));
977 i_rgb_to_hsv(RETVAL);
983 MODULE = Imager PACKAGE = Imager::Color::Float PREFIX=ICLF_
986 ICLF_new_internal(r, g, b, a)
994 Imager::Color::Float cl
998 Imager::Color::Float cl
1002 EXTEND(SP, MAXCHANNELS);
1003 for (ch = 0; ch < MAXCHANNELS; ++ch) {
1004 /* printf("%d: %g\n", ch, cl->channel[ch]); */
1005 PUSHs(sv_2mortal(newSVnv(cl->channel[ch])));
1009 ICLF_set_internal(cl,r,g,b,a)
1010 Imager::Color::Float cl
1023 Imager::Color::Float
1025 Imager::Color::Float c
1027 RETVAL = mymalloc(sizeof(i_fcolor));
1029 i_hsv_to_rgbf(RETVAL);
1033 Imager::Color::Float
1035 Imager::Color::Float c
1037 RETVAL = mymalloc(sizeof(i_fcolor));
1039 i_rgb_to_hsvf(RETVAL);
1043 MODULE = Imager PACKAGE = Imager::ImgRaw PREFIX = IIM_
1057 MODULE = Imager PACKAGE = Imager
1071 io_new_buffer(data_sv)
1074 RETVAL = do_io_new_buffer(aTHX_ data_sv);
1079 io_new_cb(writecb, readcb, seekcb, closecb, maxwrite = CBDATA_BUFSIZE)
1086 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
1094 unsigned char* data;
1098 tlength = io_slurp(ig, &data);
1099 RETVAL = newSVpv((char *)data,tlength);
1106 i_set_image_file_limits(width, height, bytes)
1112 i_get_image_file_limits()
1114 i_img_dim width, height;
1117 if (i_get_image_file_limits(&width, &height, &bytes)) {
1119 PUSHs(sv_2mortal(newSViv(width)));
1120 PUSHs(sv_2mortal(newSViv(height)));
1121 PUSHs(sv_2mortal(newSVuv(bytes)));
1125 i_int_check_image_file_limits(width, height, channels, sample_size)
1132 MODULE = Imager PACKAGE = Imager::IO PREFIX = io_
1135 io_new_fd(class, fd)
1138 RETVAL = io_new_fd(fd);
1143 io_new_buffer(class, data_sv)
1146 RETVAL = do_io_new_buffer(aTHX_ data_sv);
1151 io_new_cb(class, writecb, readcb, seekcb, closecb)
1157 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
1162 io_new_bufchain(class)
1164 RETVAL = io_new_bufchain();
1172 unsigned char* data;
1176 tlength = io_slurp(ig, &data);
1177 RETVAL = newSVpv((char *)data,tlength);
1182 MODULE = Imager PACKAGE = Imager::IO PREFIX = i_io_
1185 i_io_raw_write(ig, data_sv)
1193 if (SvUTF8(data_sv)) {
1194 data_sv = sv_2mortal(newSVsv(data_sv));
1195 /* yes, we want this to croak() if the SV can't be downgraded */
1196 sv_utf8_downgrade(data_sv, FALSE);
1199 data = SvPV(data_sv, size);
1200 RETVAL = i_io_raw_write(ig, data, size);
1205 i_io_raw_read(ig, buffer_sv, size)
1214 croak("size negative in call to i_io_raw_read()");
1215 /* prevent an undefined value warning if they supplied an
1217 Orginally conditional on !SvOK(), but this will prevent the
1218 downgrade from croaking */
1219 sv_setpvn(buffer_sv, "", 0);
1221 if (SvUTF8(buffer_sv))
1222 sv_utf8_downgrade(buffer_sv, FALSE);
1224 buffer = SvGROW(buffer_sv, size+1);
1225 result = i_io_raw_read(ig, buffer, size);
1227 SvCUR_set(buffer_sv, result);
1228 *SvEND(buffer_sv) = '\0';
1229 SvPOK_only(buffer_sv);
1231 PUSHs(sv_2mortal(newSViv(result)));
1237 i_io_raw_read2(ig, size)
1246 croak("size negative in call to i_io_read2()");
1247 buffer_sv = newSV(size);
1248 buffer = SvGROW(buffer_sv, size+1);
1249 result = i_io_raw_read(ig, buffer, size);
1251 SvCUR_set(buffer_sv, result);
1252 *SvEND(buffer_sv) = '\0';
1253 SvPOK_only(buffer_sv);
1255 PUSHs(sv_2mortal(buffer_sv));
1259 SvREFCNT_dec(buffer_sv);
1263 i_io_raw_seek(ig, position, whence)
1277 i_io_CLONE_SKIP(...)
1279 (void)items; /* avoid unused warning for XS variable */
1306 i_io_seek(ig, off, whence)
1312 i_io_peekn(ig, size)
1320 buffer_sv = newSV(size+1);
1321 buffer = SvGROW(buffer_sv, size+1);
1322 result = i_io_peekn(ig, buffer, size);
1324 SvCUR_set(buffer_sv, result);
1325 *SvEND(buffer_sv) = '\0';
1326 SvPOK_only(buffer_sv);
1328 PUSHs(sv_2mortal(buffer_sv));
1332 SvREFCNT_dec(buffer_sv);
1336 i_io_read(ig, buffer_sv, size)
1345 croak("size negative in call to i_io_read()");
1346 /* prevent an undefined value warning if they supplied an
1348 Orginally conditional on !SvOK(), but this will prevent the
1349 downgrade from croaking */
1350 sv_setpvn(buffer_sv, "", 0);
1352 if (SvUTF8(buffer_sv))
1353 sv_utf8_downgrade(buffer_sv, FALSE);
1355 buffer = SvGROW(buffer_sv, size+1);
1356 result = i_io_read(ig, buffer, size);
1358 SvCUR_set(buffer_sv, result);
1359 *SvEND(buffer_sv) = '\0';
1360 SvPOK_only(buffer_sv);
1362 PUSHs(sv_2mortal(newSViv(result)));
1368 i_io_read2(ig, size)
1377 croak("size zero in call to read2()");
1378 buffer_sv = newSV(size);
1379 buffer = SvGROW(buffer_sv, size+1);
1380 result = i_io_read(ig, buffer, size);
1382 SvCUR_set(buffer_sv, result);
1383 *SvEND(buffer_sv) = '\0';
1384 SvPOK_only(buffer_sv);
1386 PUSHs(sv_2mortal(buffer_sv));
1390 SvREFCNT_dec(buffer_sv);
1394 i_io_gets(ig, size = 8192, eol = NEWLINE)
1404 croak("size too small in call to gets()");
1405 buffer_sv = sv_2mortal(newSV(size+1));
1406 buffer = SvPVX(buffer_sv);
1407 result = i_io_gets(ig, buffer, size+1, eol);
1409 SvCUR_set(buffer_sv, result);
1410 *SvEND(buffer_sv) = '\0';
1411 SvPOK_only(buffer_sv);
1417 i_io_write(ig, data_sv)
1425 if (SvUTF8(data_sv)) {
1426 data_sv = sv_2mortal(newSVsv(data_sv));
1427 /* yes, we want this to croak() if the SV can't be downgraded */
1428 sv_utf8_downgrade(data_sv, FALSE);
1431 data = SvPV(data_sv, size);
1432 RETVAL = i_io_write(ig, data, size);
1437 i_io_dump(ig, flags = I_IO_DUMP_DEFAULT)
1442 i_io_set_buffered(ig, flag = 1)
1447 i_io_is_buffered(ig)
1458 MODULE = Imager PACKAGE = Imager
1469 while( (item=i_format_list[i++]) != NULL ) {
1471 PUSHs(sv_2mortal(newSVpv(item,0)));
1475 i_sametype(im, x, y)
1481 i_sametype_chans(im, x, y, channels)
1488 i_init_log(name_sv,level)
1492 const char *name = SvOK(name_sv) ? SvPV_nolen(name_sv) : NULL;
1494 RETVAL = i_init_log(name, level);
1499 i_log_entry(string,level)
1512 i_img_info(im,info);
1514 PUSHs(sv_2mortal(newSViv(info[0])));
1515 PUSHs(sv_2mortal(newSViv(info[1])));
1516 PUSHs(sv_2mortal(newSViv(info[2])));
1517 PUSHs(sv_2mortal(newSViv(info[3])));
1523 i_img_setmask(im,ch_mask)
1532 i_img_getchannels(im)
1541 sv_2mortal(newSVpv((char *)im->idata, im->bytes))
1549 i_img_get_height(im)
1554 i_img_is_monochrome(im)
1560 result = i_img_is_monochrome(im, &zero_is_white);
1562 if (GIMME_V == G_ARRAY) {
1565 PUSHs(sv_2mortal(newSViv(zero_is_white)));
1574 i_line(im,x1,y1,x2,y2,val,endp)
1584 i_line_aa(im,x1,y1,x2,y2,val,endp)
1594 i_box(im,x1,y1,x2,y2,val)
1603 i_box_filled(im,x1,y1,x2,y2,val)
1612 i_box_filledf(im,x1,y1,x2,y2,val)
1618 Imager::Color::Float val
1621 i_box_cfill(im,x1,y1,x2,y2,fill)
1627 Imager::FillHandle fill
1630 i_arc(im,x,y,rad,d1,d2,val)
1640 i_arc_aa(im,x,y,rad,d1,d2,val)
1650 i_arc_cfill(im,x,y,rad,d1,d2,fill)
1657 Imager::FillHandle fill
1660 i_arc_aa_cfill(im,x,y,rad,d1,d2,fill)
1667 Imager::FillHandle fill
1671 i_circle_aa(im,x,y,rad,val)
1679 i_circle_out(im,x,y,rad,val)
1687 i_circle_out_aa(im,x,y,rad,val)
1695 i_arc_out(im,x,y,rad,d1,d2,val)
1705 i_arc_out_aa(im,x,y,rad,d1,d2,val)
1716 i_bezier_multi(im,xc,yc,val)
1729 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
1730 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
1731 if (!SvROK(ST(2))) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
1732 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
1733 av1=(AV*)SvRV(ST(1));
1734 av2=(AV*)SvRV(ST(2));
1735 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_bezier_multi must be equal length\n");
1737 x=mymalloc( len*sizeof(double) );
1738 y=mymalloc( len*sizeof(double) );
1739 for(i=0;i<len;i++) {
1740 sv1=(*(av_fetch(av1,i,0)));
1741 sv2=(*(av_fetch(av2,i,0)));
1742 x[i]=(double)SvNV(sv1);
1743 y[i]=(double)SvNV(sv2);
1745 i_bezier_multi(im,len,x,y,val);
1751 i_poly_aa(im,xc,yc,val)
1764 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
1765 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
1766 if (!SvROK(ST(2))) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
1767 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa must be a reference to an array\n");
1768 av1=(AV*)SvRV(ST(1));
1769 av2=(AV*)SvRV(ST(2));
1770 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_poly_aa must be equal length\n");
1772 x=mymalloc( len*sizeof(double) );
1773 y=mymalloc( len*sizeof(double) );
1774 for(i=0;i<len;i++) {
1775 sv1=(*(av_fetch(av1,i,0)));
1776 sv2=(*(av_fetch(av2,i,0)));
1777 x[i]=(double)SvNV(sv1);
1778 y[i]=(double)SvNV(sv2);
1780 RETVAL = i_poly_aa(im,len,x,y,val);
1787 i_poly_aa_cfill(im,xc,yc,fill)
1789 Imager::FillHandle fill
1799 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_poly_aa_cfill must be a reference to an array\n");
1800 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa_cfill must be a reference to an array\n");
1801 if (!SvROK(ST(2))) croak("Imager: Parameter 1 to i_poly_aa_cfill must be a reference to an array\n");
1802 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 1 to i_poly_aa_cfill must be a reference to an array\n");
1803 av1=(AV*)SvRV(ST(1));
1804 av2=(AV*)SvRV(ST(2));
1805 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_poly_aa_cfill must be equal length\n");
1807 x=mymalloc( len*sizeof(double) );
1808 y=mymalloc( len*sizeof(double) );
1809 for(i=0;i<len;i++) {
1810 sv1=(*(av_fetch(av1,i,0)));
1811 sv2=(*(av_fetch(av2,i,0)));
1812 x[i]=(double)SvNV(sv1);
1813 y[i]=(double)SvNV(sv2);
1815 RETVAL = i_poly_aa_cfill(im,len,x,y,fill);
1824 i_flood_fill(im,seedx,seedy,dcol)
1831 i_flood_cfill(im,seedx,seedy,fill)
1835 Imager::FillHandle fill
1838 i_flood_fill_border(im,seedx,seedy,dcol, border)
1843 Imager::Color border
1846 i_flood_cfill_border(im,seedx,seedy,fill, border)
1850 Imager::FillHandle fill
1851 Imager::Color border
1855 i_copyto(im,src,x1,y1,x2,y2,tx,ty)
1867 i_copyto_trans(im,src,x1,y1,x2,y2,tx,ty,trans)
1884 i_rubthru(im,src,tx,ty,src_minx,src_miny,src_maxx,src_maxy)
1895 i_compose(out, src, out_left, out_top, src_left, src_top, width, height, combine = ic_normal, opacity = 0.0)
1908 i_compose_mask(out, src, mask, out_left, out_top, src_left, src_top, mask_left, mask_top, width, height, combine = ic_normal, opacity = 0.0)
1924 i_combine(src_av, channels_av = NULL)
1928 i_img **imgs = NULL;
1930 int *channels = NULL;
1935 in_count = av_len(src_av) + 1;
1937 imgs = mymalloc(sizeof(i_img*) * in_count);
1938 channels = mymalloc(sizeof(int) * in_count);
1939 for (i = 0; i < in_count; ++i) {
1940 psv = av_fetch(src_av, i, 0);
1941 if (!psv || !*psv || !sv_derived_from(*psv, "Imager::ImgRaw")) {
1944 croak("imgs must contain only images");
1946 tmp = SvIV((SV*)SvRV(*psv));
1947 imgs[i] = INT2PTR(i_img*, tmp);
1949 (psv = av_fetch(channels_av, i, 0)) != NULL &&
1951 channels[i] = SvIV(*psv);
1958 RETVAL = i_combine(imgs, channels, in_count);
1965 i_flipxy(im, direction)
1970 i_rotate90(im, degrees)
1975 i_rotate_exact(im, amount, ...)
1979 i_color *backp = NULL;
1980 i_fcolor *fbackp = NULL;
1984 /* extract the bg colors if any */
1985 /* yes, this is kind of strange */
1986 for (i = 2; i < items; ++i) {
1988 if (sv_derived_from(sv1, "Imager::Color")) {
1989 IV tmp = SvIV((SV*)SvRV(sv1));
1990 backp = INT2PTR(i_color *, tmp);
1992 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
1993 IV tmp = SvIV((SV*)SvRV(sv1));
1994 fbackp = INT2PTR(i_fcolor *, tmp);
1997 RETVAL = i_rotate_exact_bg(im, amount, backp, fbackp);
2002 i_matrix_transform(im, xsize, ysize, matrix, ...)
2012 i_color *backp = NULL;
2013 i_fcolor *fbackp = NULL;
2015 if (!SvROK(ST(3)) || SvTYPE(SvRV(ST(3))) != SVt_PVAV)
2016 croak("i_matrix_transform: parameter 4 must be an array ref\n");
2017 av=(AV*)SvRV(ST(3));
2021 for (i = 0; i < len; ++i) {
2022 sv1=(*(av_fetch(av,i,0)));
2023 matrix[i] = SvNV(sv1);
2027 /* extract the bg colors if any */
2028 /* yes, this is kind of strange */
2029 for (i = 4; i < items; ++i) {
2031 if (sv_derived_from(sv1, "Imager::Color")) {
2032 IV tmp = SvIV((SV*)SvRV(sv1));
2033 backp = INT2PTR(i_color *, tmp);
2035 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
2036 IV tmp = SvIV((SV*)SvRV(sv1));
2037 fbackp = INT2PTR(i_fcolor *, tmp);
2040 RETVAL = i_matrix_transform_bg(im, xsize, ysize, matrix, backp, fbackp);
2045 i_gaussian(im,stdev)
2050 i_unsharp_mask(im,stdev,scale)
2065 len = av_len(coef) + 1;
2066 c_coef=mymalloc( len * sizeof(double) );
2067 for(i = 0; i < len; i++) {
2068 sv1 = (*(av_fetch(coef, i, 0)));
2069 c_coef[i] = (double)SvNV(sv1);
2071 RETVAL = i_conv(im, c_coef, len);
2077 i_convert(src, avmain)
2089 outchan = av_len(avmain)+1;
2090 /* find the biggest */
2092 for (j=0; j < outchan; ++j) {
2093 temp = av_fetch(avmain, j, 0);
2094 if (temp && SvROK(*temp) && SvTYPE(SvRV(*temp)) == SVt_PVAV) {
2095 avsub = (AV*)SvRV(*temp);
2096 len = av_len(avsub)+1;
2101 i_push_errorf(0, "invalid matrix: element %d is not an array ref", j);
2105 coeff = mymalloc(sizeof(double) * outchan * inchan);
2106 for (j = 0; j < outchan; ++j) {
2107 avsub = (AV*)SvRV(*av_fetch(avmain, j, 0));
2108 len = av_len(avsub)+1;
2109 for (i = 0; i < len; ++i) {
2110 temp = av_fetch(avsub, i, 0);
2112 coeff[i+j*inchan] = SvNV(*temp);
2114 coeff[i+j*inchan] = 0;
2117 coeff[i++ + j*inchan] = 0;
2119 RETVAL = i_convert(src, coeff, outchan, inchan);
2129 unsigned int mask = 0;
2135 unsigned char (*maps)[256];
2137 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
2138 croak("i_map: parameter 2 must be an arrayref\n");
2139 avmain = (AV*)SvRV(ST(1));
2140 len = av_len(avmain)+1;
2141 if (im->channels < len) len = im->channels;
2143 maps = mymalloc( len * sizeof(unsigned char [256]) );
2145 for (j=0; j<len ; j++) {
2146 temp = av_fetch(avmain, j, 0);
2147 if (temp && SvROK(*temp) && (SvTYPE(SvRV(*temp)) == SVt_PVAV) ) {
2148 avsub = (AV*)SvRV(*temp);
2149 if(av_len(avsub) != 255) continue;
2151 for (i=0; i<256 ; i++) {
2153 temp = av_fetch(avsub, i, 0);
2154 val = temp ? SvIV(*temp) : 0;
2156 if (val>255) val = 255;
2161 i_map(im, maps, mask);
2175 i_img_diffd(im1,im2)
2180 i_img_samef(im1, im2, epsilon = i_img_epsilonf(), what=NULL)
2190 _is_color_object(sv)
2194 RETVAL = SvOK(sv) && SvROK(sv) &&
2195 (sv_derived_from(sv, "Imager::Color")
2196 || sv_derived_from(sv, "Imager::Color::Float"));
2208 MODULE = Imager PACKAGE = Imager::Font::TT PREFIX=TT_
2210 #define TT_DESTROY(handle) i_tt_destroy(handle)
2214 Imager::Font::TT handle
2219 (void)items; /* avoid unused warning */
2225 MODULE = Imager PACKAGE = Imager
2229 i_tt_text(handle,im,xb,yb,cl,points,str_sv,len_ignored,smooth,utf8,align=1)
2230 Imager::Font::TT handle
2248 str = SvPV(str_sv, len);
2249 RETVAL = i_tt_text(handle, im, xb, yb, cl, points, str,
2250 len, smooth, utf8, align);
2256 i_tt_cp(handle,im,xb,yb,channel,points,str_sv,len_ignored,smooth,utf8,align=1)
2257 Imager::Font::TT handle
2275 str = SvPV(str_sv, len);
2276 RETVAL = i_tt_cp(handle, im, xb, yb, channel, points, str, len,
2277 smooth, utf8, align);
2283 i_tt_bbox(handle,point,str_sv,len_ignored, utf8)
2284 Imager::Font::TT handle
2289 i_img_dim cords[BOUNDING_BOX_COUNT];
2299 str = SvPV(str_sv, len);
2300 if ((rc=i_tt_bbox(handle,point,str,len,cords, utf8))) {
2302 for (i = 0; i < rc; ++i) {
2303 PUSHs(sv_2mortal(newSViv(cords[i])));
2308 i_tt_has_chars(handle, text_sv, utf8)
2309 Imager::Font::TT handle
2320 if (SvUTF8(text_sv))
2323 text = SvPV(text_sv, len);
2324 work = mymalloc(len);
2325 count = i_tt_has_chars(handle, text, len, utf8, work);
2326 if (GIMME_V == G_ARRAY) {
2328 for (i = 0; i < count; ++i) {
2329 PUSHs(boolSV(work[i]));
2334 PUSHs(sv_2mortal(newSVpv(work, count)));
2339 i_tt_dump_names(handle)
2340 Imager::Font::TT handle
2343 i_tt_face_name(handle)
2344 Imager::Font::TT handle
2349 len = i_tt_face_name(handle, name, sizeof(name));
2352 PUSHs(sv_2mortal(newSVpv(name, len-1)));
2356 i_tt_glyph_name(handle, text_sv, utf8 = 0)
2357 Imager::Font::TT handle
2368 if (SvUTF8(text_sv))
2371 text = SvPV(text_sv, work_len);
2376 ch = i_utf8_advance(&text, &len);
2378 i_push_error(0, "invalid UTF8 character");
2387 if ((outsize = i_tt_glyph_name(handle, ch, name, sizeof(name))) != 0) {
2388 PUSHs(sv_2mortal(newSVpv(name, 0)));
2391 PUSHs(&PL_sv_undef);
2398 i_test_format_probe(ig, length)
2403 i_readpnm_wiol(ig, allow_incomplete)
2405 int allow_incomplete
2409 i_readpnm_multi_wiol(ig, allow_incomplete)
2411 int allow_incomplete
2417 imgs = i_readpnm_multi_wiol(ig, &count, allow_incomplete);
2420 for (i = 0; i < count; ++i) {
2421 SV *sv = sv_newmortal();
2422 sv_setref_pv(sv, "Imager::ImgRaw", (void *)imgs[i]);
2429 i_writeppm_wiol(im, ig)
2438 i_readraw_wiol(ig,x,y,datachannels,storechannels,intrl)
2447 i_writeraw_wiol(im,ig)
2452 i_writebmp_wiol(im,ig)
2457 i_readbmp_wiol(ig, allow_incomplete=0)
2459 int allow_incomplete
2463 i_writetga_wiol(im,ig, wierdpack, compress, idstring)
2472 idlen = SvCUR(ST(4));
2473 RETVAL = i_writetga_wiol(im, ig, wierdpack, compress, idstring, idlen);
2479 i_readtga_wiol(ig, length)
2487 i_scaleaxis(im,Value,Axis)
2493 i_scale_nn(im,scx,scy)
2499 i_scale_mixing(im, width, height)
2509 i_count_colors(im,maxc)
2514 i_get_anonymous_color_histo(im, maxc = 0x40000000)
2519 unsigned int * col_usage = NULL;
2522 col_cnt = i_get_anonymous_color_histo(im, &col_usage, maxc);
2523 EXTEND(SP, col_cnt);
2524 for (i = 0; i < col_cnt; i++) {
2525 PUSHs(sv_2mortal(newSViv( col_usage[i])));
2532 i_transform(im,opx,opy,parm)
2546 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
2547 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to an array\n");
2548 if (!SvROK(ST(3))) croak("Imager: Parameter 3 must be a reference to an array\n");
2549 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
2550 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 must be a reference to an array\n");
2551 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 3 must be a reference to an array\n");
2552 av=(AV*)SvRV(ST(1));
2554 opx=mymalloc( opxl*sizeof(int) );
2555 for(i=0;i<opxl;i++) {
2556 sv1=(*(av_fetch(av,i,0)));
2557 opx[i]=(int)SvIV(sv1);
2559 av=(AV*)SvRV(ST(2));
2561 opy=mymalloc( opyl*sizeof(int) );
2562 for(i=0;i<opyl;i++) {
2563 sv1=(*(av_fetch(av,i,0)));
2564 opy[i]=(int)SvIV(sv1);
2566 av=(AV*)SvRV(ST(3));
2567 parmlen=av_len(av)+1;
2568 parm=mymalloc( parmlen*sizeof(double) );
2569 for(i=0;i<parmlen;i++) { /* FIXME: Bug? */
2570 sv1=(*(av_fetch(av,i,0)));
2571 parm[i]=(double)SvNV(sv1);
2573 result=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
2578 SV *result_sv = sv_newmortal();
2580 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2585 i_transform2(sv_width,sv_height,channels,sv_ops,av_n_regs,av_c_regs,av_in_imgs)
2611 in_imgs_count = av_len(av_in_imgs)+1;
2612 for (i = 0; i < in_imgs_count; ++i) {
2613 sv1 = *av_fetch(av_in_imgs, i, 0);
2614 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2615 croak("sv_in_img must contain only images");
2618 if (in_imgs_count > 0) {
2619 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
2620 for (i = 0; i < in_imgs_count; ++i) {
2621 sv1 = *av_fetch(av_in_imgs,i,0);
2622 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2623 croak("Parameter 5 must contain only images");
2625 tmp = SvIV((SV*)SvRV(sv1));
2626 in_imgs[i] = INT2PTR(i_img*, tmp);
2630 /* no input images */
2633 /* default the output size from the first input if possible */
2635 width = SvIV(sv_width);
2636 else if (in_imgs_count)
2637 width = in_imgs[0]->xsize;
2639 croak("No output image width supplied");
2641 if (SvOK(sv_height))
2642 height = SvIV(sv_height);
2643 else if (in_imgs_count)
2644 height = in_imgs[0]->ysize;
2646 croak("No output image height supplied");
2648 ops = (struct rm_op *)SvPV(sv_ops, ops_len);
2649 if (ops_len % sizeof(struct rm_op))
2650 croak("Imager: Parameter 3 must be a bitmap of regops\n");
2651 ops_count = ops_len / sizeof(struct rm_op);
2653 n_regs_count = av_len(av_n_regs)+1;
2654 n_regs = mymalloc(n_regs_count * sizeof(double));
2655 for (i = 0; i < n_regs_count; ++i) {
2656 sv1 = *av_fetch(av_n_regs,i,0);
2658 n_regs[i] = SvNV(sv1);
2660 c_regs_count = av_len(av_c_regs)+1;
2661 c_regs = mymalloc(c_regs_count * sizeof(i_color));
2662 /* I don't bother initializing the colou?r registers */
2664 result=i_transform2(width, height, channels, ops, ops_count,
2665 n_regs, n_regs_count,
2666 c_regs, c_regs_count, in_imgs, in_imgs_count);
2672 SV *result_sv = sv_newmortal();
2674 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2680 i_contrast(im,intensity)
2693 i_noise(im,amount,type)
2699 i_bumpmap(im,bump,channel,light_x,light_y,strength)
2709 i_bumpmap_complex(im,bump,channel,tx,ty,Lx,Ly,Lz,cd,cs,n,Ia,Il,Is)
2728 i_postlevels(im,levels)
2738 i_watermark(im,wmark,tx,ty,pixdiff)
2740 Imager::ImgRaw wmark
2747 i_autolevels(im,lsat,usat,skew)
2754 i_radnoise(im,xo,yo,rscale,ascale)
2762 i_turbnoise(im, xo, yo, scale)
2785 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
2786 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2787 croak("i_gradgen: Second argument must be an array ref");
2788 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2789 croak("i_gradgen: Third argument must be an array ref");
2790 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2791 croak("i_gradgen: Fourth argument must be an array ref");
2792 axx = (AV *)SvRV(ST(1));
2793 ayy = (AV *)SvRV(ST(2));
2794 ac = (AV *)SvRV(ST(3));
2795 dmeasure = (int)SvIV(ST(4));
2797 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2798 num = num <= av_len(ac) ? num : av_len(ac);
2800 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
2801 xo = mymalloc( sizeof(i_img_dim) * num );
2802 yo = mymalloc( sizeof(i_img_dim) * num );
2803 ival = mymalloc( sizeof(i_color) * num );
2804 for(i = 0; i<num; i++) {
2805 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2806 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2807 sv = *av_fetch(ac, i, 0);
2808 if ( !sv_derived_from(sv, "Imager::Color") ) {
2809 free(axx); free(ayy); free(ac);
2810 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
2812 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2814 i_gradgen(im, num, xo, yo, ival, dmeasure);
2820 i_diff_image(im, im2, mindist=0)
2826 i_fountain(im, xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2836 double ssample_param
2840 i_fountain_seg *segs;
2842 if (!SvROK(ST(10)) || ! SvTYPE(SvRV(ST(10))))
2843 croak("i_fountain: argument 11 must be an array ref");
2845 asegs = (AV *)SvRV(ST(10));
2846 segs = load_fount_segs(aTHX_ asegs, &count);
2847 RETVAL = i_fountain(im, xa, ya, xb, yb, type, repeat, combine,
2848 super_sample, ssample_param, count, segs);
2854 i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2863 double ssample_param
2867 i_fountain_seg *segs;
2869 if (!SvROK(ST(9)) || ! SvTYPE(SvRV(ST(9))))
2870 croak("i_fountain: argument 11 must be an array ref");
2872 asegs = (AV *)SvRV(ST(9));
2873 segs = load_fount_segs(aTHX_ asegs, &count);
2874 RETVAL = i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine,
2875 super_sample, ssample_param, count, segs);
2881 i_new_fill_opacity(other_fill, alpha_mult)
2882 Imager::FillHandle other_fill
2893 errors = i_errors();
2895 while (errors[i].msg) {
2897 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
2898 if (!av_store(av, 0, sv)) {
2901 sv = newSViv(errors[i].code);
2902 if (!av_store(av, 1, sv)) {
2905 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
2913 i_push_error(code, msg)
2918 i_nearest_color(im, ...)
2933 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
2934 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2935 croak("i_nearest_color: Second argument must be an array ref");
2936 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2937 croak("i_nearest_color: Third argument must be an array ref");
2938 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2939 croak("i_nearest_color: Fourth argument must be an array ref");
2940 axx = (AV *)SvRV(ST(1));
2941 ayy = (AV *)SvRV(ST(2));
2942 ac = (AV *)SvRV(ST(3));
2943 dmeasure = (int)SvIV(ST(4));
2945 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2946 num = num <= av_len(ac) ? num : av_len(ac);
2948 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
2949 xo = mymalloc( sizeof(i_img_dim) * num );
2950 yo = mymalloc( sizeof(i_img_dim) * num );
2951 ival = mymalloc( sizeof(i_color) * num );
2952 for(i = 0; i<num; i++) {
2953 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2954 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2955 sv = *av_fetch(ac, i, 0);
2956 if ( !sv_derived_from(sv, "Imager::Color") ) {
2957 free(axx); free(ayy); free(ac);
2958 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
2960 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2962 RETVAL = i_nearest_color(im, num, xo, yo, ival, dmeasure);
2976 rc=DSO_open(filename,&evstr);
2980 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2981 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
2984 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2990 DSO_close(dso_handle)
2994 DSO_funclist(dso_handle_v)
2998 DSO_handle *dso_handle;
2999 func_ptr *functions;
3001 dso_handle=(DSO_handle*)dso_handle_v;
3002 functions = DSO_funclist(dso_handle);
3004 while( functions[i].name != NULL) {
3006 PUSHs(sv_2mortal(newSVpv(functions[i].name,0)));
3008 PUSHs(sv_2mortal(newSVpv(functions[i++].pcode,0)));
3012 DSO_call(handle,func_index,hv)
3018 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
3019 hv=(HV*)SvRV(ST(2));
3020 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
3021 DSO_call( (DSO_handle *)handle,func_index,hv);
3024 i_get_pixel(im, x, y)
3031 color = (i_color *)mymalloc(sizeof(i_color));
3032 if (i_gpix(im, x, y, color) == 0) {
3033 RETVAL = NEWSV(0, 0);
3034 sv_setref_pv(RETVAL, "Imager::Color", (void *)color);
3038 RETVAL = &PL_sv_undef;
3045 i_ppix(im, x, y, cl)
3052 i_img_pal_new(x, y, channels, maxpal)
3059 i_img_to_pal(src, quant)
3065 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
3066 croak("i_img_to_pal: second argument must be a hash ref");
3067 hv = (HV *)SvRV(ST(1));
3068 memset(&quant, 0, sizeof(quant));
3070 quant.mc_size = 256;
3071 ip_handle_quant_opts(aTHX_ &quant, hv);
3072 RETVAL = i_img_to_pal(src, &quant);
3074 ip_copy_colors_back(aTHX_ hv, &quant);
3076 ip_cleanup_quant_opts(aTHX_ &quant);
3085 i_img_make_palette(HV *quant_hv, ...)
3087 size_t count = items - 1;
3089 i_img **imgs = NULL;
3093 croak("Please supply at least one image (%d)", (int)count);
3094 imgs = mymalloc(sizeof(i_img *) * count);
3095 for (i = 0; i < count; ++i) {
3096 SV *img_sv = ST(i + 1);
3097 if (SvROK(img_sv) && sv_derived_from(img_sv, "Imager::ImgRaw")) {
3098 imgs[i] = INT2PTR(i_img *, SvIV((SV*)SvRV(img_sv)));
3102 croak("Image %d is not an image object", (int)i+1);
3105 memset(&quant, 0, sizeof(quant));
3107 quant.mc_size = 256;
3108 ip_handle_quant_opts(aTHX_ &quant, quant_hv);
3109 i_quant_makemap(&quant, imgs, count);
3110 EXTEND(SP, quant.mc_count);
3111 for (i = 0; i < quant.mc_count; ++i) {
3112 SV *sv_c = make_i_color_sv(aTHX_ quant.mc_colors + i);
3115 ip_cleanup_quant_opts(aTHX_ &quant);
3129 work = mymalloc((r-l) * sizeof(i_palidx));
3130 count = i_gpal(im, l, r, y, work);
3131 if (GIMME_V == G_ARRAY) {
3133 for (i = 0; i < count; ++i) {
3134 PUSHs(sv_2mortal(newSViv(work[i])));
3139 PUSHs(sv_2mortal(newSVpv((char *)work, count * sizeof(i_palidx))));
3144 if (GIMME_V != G_ARRAY) {
3146 PUSHs(&PL_sv_undef);
3151 i_ppal(im, l, y, ...)
3160 work = malloc_temp(aTHX_ sizeof(i_palidx) * (items-3));
3161 for (i=0; i < items-3; ++i) {
3162 work[i] = SvIV(ST(i+3));
3164 validate_i_ppal(im, work, items - 3);
3165 RETVAL = i_ppal(im, l, l+items-3, y, work);
3174 i_ppal_p(im, l, y, data)
3180 i_palidx const *work;
3183 work = (i_palidx const *)SvPV(data, len);
3184 len /= sizeof(i_palidx);
3186 validate_i_ppal(im, work, len);
3187 RETVAL = i_ppal(im, l, l+len, y, work);
3196 i_addcolors(im, ...)
3204 croak("i_addcolors: no colors to add");
3205 colors = mymalloc((items-1) * sizeof(i_color));
3206 for (i=0; i < items-1; ++i) {
3207 if (sv_isobject(ST(i+1))
3208 && sv_derived_from(ST(i+1), "Imager::Color")) {
3209 IV tmp = SvIV((SV *)SvRV(ST(i+1)));
3210 colors[i] = *INT2PTR(i_color *, tmp);
3214 croak("i_addcolor: pixels must be Imager::Color objects");
3217 index = i_addcolors(im, colors, items-1);
3220 RETVAL = newSVpv("0 but true", 0);
3222 else if (index == -1) {
3223 RETVAL = &PL_sv_undef;
3226 RETVAL = newSViv(index);
3232 i_setcolors(im, index, ...)
3240 croak("i_setcolors: no colors to add");
3241 colors = mymalloc((items-2) * sizeof(i_color));
3242 for (i=0; i < items-2; ++i) {
3243 if (sv_isobject(ST(i+2))
3244 && sv_derived_from(ST(i+2), "Imager::Color")) {
3245 IV tmp = SvIV((SV *)SvRV(ST(i+2)));
3246 colors[i] = *INT2PTR(i_color *, tmp);
3250 croak("i_setcolors: pixels must be Imager::Color objects");
3253 RETVAL = i_setcolors(im, index, colors, items-2);
3259 i_getcolors(im, index, ...)
3268 croak("i_getcolors: too many arguments");
3270 count = SvIV(ST(2));
3272 croak("i_getcolors: count must be positive");
3273 colors = mymalloc(sizeof(i_color) * count);
3274 if (i_getcolors(im, index, colors, count)) {
3275 for (i = 0; i < count; ++i) {
3276 SV *sv = make_i_color_sv(aTHX_ colors+i);
3292 i_findcolor(im, color)
3298 if (i_findcolor(im, color, &index)) {
3299 RETVAL = newSViv(index);
3302 RETVAL = &PL_sv_undef;
3320 i_gsamp(im, l, r, y, channels)
3325 i_channel_list channels
3331 data = mymalloc(sizeof(i_sample_t) * (r-l) * channels.count); /* XXX: memleak? */
3332 count = i_gsamp(im, l, r, y, data, channels.channels, channels.count);
3333 if (GIMME_V == G_ARRAY) {
3335 for (i = 0; i < count; ++i)
3336 PUSHs(sv_2mortal(newSViv(data[i])));
3340 PUSHs(sv_2mortal(newSVpv((char *)data, count * sizeof(i_sample_t))));
3345 if (GIMME_V != G_ARRAY) {
3347 PUSHs(&PL_sv_undef);
3352 i_gsamp_bits(im, l, r, y, bits, target, offset, channels)
3360 i_channel_list channels
3367 croak("No channel numbers supplied to g_samp()");
3369 data = mymalloc(sizeof(unsigned) * (r-l) * channels.count);
3370 count = i_gsamp_bits(im, l, r, y, data, channels.channels, channels.count, bits);
3371 for (i = 0; i < count; ++i) {
3372 av_store(target, i+offset, newSVuv(data[i]));
3384 i_psamp_bits(im, l, y, bits, channels, data_av, data_offset = 0, pixel_count = -1)
3389 i_channel_list channels
3391 i_img_dim data_offset
3392 i_img_dim pixel_count
3401 data_count = av_len(data_av) + 1;
3402 if (data_offset < 0) {
3403 croak("data_offset must be non-negative");
3405 if (data_offset > data_count) {
3406 croak("data_offset greater than number of samples supplied");
3408 if (pixel_count == -1 ||
3409 data_offset + pixel_count * channels.count > data_count) {
3410 pixel_count = (data_count - data_offset) / channels.count;
3413 data_used = pixel_count * channels.count;
3414 data = mymalloc(sizeof(unsigned) * data_count);
3415 for (i = 0; i < data_used; ++i)
3416 data[i] = SvUV(*av_fetch(data_av, data_offset + i, 0));
3418 RETVAL = i_psamp_bits(im, l, l + pixel_count, y, data, channels.channels,
3419 channels.count, bits);
3427 i_psamp(im, x, y, channels, data, offset = 0, width = -1)
3431 i_channel_list channels
3440 i_push_error(0, "offset must be non-negative");
3444 if (offset > data.count) {
3445 i_push_error(0, "offset greater than number of samples supplied");
3448 data.samples += offset;
3449 data.count -= offset;
3452 width * channels.count > data.count) {
3453 width = data.count / channels.count;
3456 RETVAL = i_psamp(im, x, r, y, data.samples, channels.channels, channels.count);
3461 i_psampf(im, x, y, channels, data, offset = 0, width = -1)
3465 i_channel_list channels
3474 i_push_error(0, "offset must be non-negative");
3478 if (offset > data.count) {
3479 i_push_error(0, "offset greater than number of samples supplied");
3482 data.samples += offset;
3483 data.count -= offset;
3486 width * channels.count > data.count) {
3487 width = data.count / channels.count;
3490 RETVAL = i_psampf(im, x, r, y, data.samples, channels.channels, channels.count);
3495 i_img_masked_new(targ, mask, x, y, w, h)
3505 if (!sv_isobject(ST(1))
3506 || !sv_derived_from(ST(1), "Imager::ImgRaw")) {
3507 croak("i_img_masked_new: parameter 2 must undef or an image");
3509 mask = INT2PTR(i_img *, SvIV((SV *)SvRV(ST(1))));
3513 RETVAL = i_img_masked_new(targ, mask, x, y, w, h);
3518 i_plin(im, l, y, ...)
3529 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3530 /* supplied as a byte string */
3531 work = (i_color *)SvPV(ST(3), len);
3532 count = len / sizeof(i_color);
3533 if (count * sizeof(i_color) != len) {
3534 croak("i_plin: length of scalar argument must be multiple of sizeof i_color");
3536 RETVAL = i_plin(im, l, l+count, y, work);
3539 work = mymalloc(sizeof(i_color) * (items-3));
3540 for (i=0; i < items-3; ++i) {
3541 if (sv_isobject(ST(i+3))
3542 && sv_derived_from(ST(i+3), "Imager::Color")) {
3543 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3544 work[i] = *INT2PTR(i_color *, tmp);
3548 croak("i_plin: pixels must be Imager::Color objects");
3551 RETVAL = i_plin(im, l, l+items-3, y, work);
3562 i_ppixf(im, x, y, cl)
3566 Imager::Color::Float cl
3569 i_gsampf(im, l, r, y, channels)
3574 i_channel_list channels
3580 data = mymalloc(sizeof(i_fsample_t) * (r-l) * channels.count);
3581 count = i_gsampf(im, l, r, y, data, channels.channels, channels.count);
3582 if (GIMME_V == G_ARRAY) {
3584 for (i = 0; i < count; ++i)
3585 PUSHs(sv_2mortal(newSVnv(data[i])));
3589 PUSHs(sv_2mortal(newSVpv((void *)data, count * sizeof(i_fsample_t))));
3594 if (GIMME_V != G_ARRAY) {
3596 PUSHs(&PL_sv_undef);
3601 i_plinf(im, l, y, ...)
3612 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3613 /* supplied as a byte string */
3614 work = (i_fcolor *)SvPV(ST(3), len);
3615 count = len / sizeof(i_fcolor);
3616 if (count * sizeof(i_fcolor) != len) {
3617 croak("i_plin: length of scalar argument must be multiple of sizeof i_fcolor");
3619 RETVAL = i_plinf(im, l, l+count, y, work);
3622 work = mymalloc(sizeof(i_fcolor) * (items-3));
3623 for (i=0; i < items-3; ++i) {
3624 if (sv_isobject(ST(i+3))
3625 && sv_derived_from(ST(i+3), "Imager::Color::Float")) {
3626 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3627 work[i] = *INT2PTR(i_fcolor *, tmp);
3631 croak("i_plinf: pixels must be Imager::Color::Float objects");
3635 RETVAL = i_plinf(im, l, l+items-3, y, work);
3653 color = (i_fcolor *)mymalloc(sizeof(i_fcolor));
3654 if (i_gpixf(im, x, y, color) == 0) {
3655 RETVAL = NEWSV(0,0);
3656 sv_setref_pv(RETVAL, "Imager::Color::Float", (void *)color);
3660 RETVAL = &PL_sv_undef;
3676 vals = mymalloc((r-l) * sizeof(i_color));
3677 memset(vals, 0, (r-l) * sizeof(i_color));
3678 count = i_glin(im, l, r, y, vals);
3679 if (GIMME_V == G_ARRAY) {
3681 for (i = 0; i < count; ++i) {
3682 SV *sv = make_i_color_sv(aTHX_ vals+i);
3688 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_color))));
3694 i_glinf(im, l, r, y)
3704 for (i = 0; i < MAXCHANNELS; ++i)
3705 zero.channel[i] = 0;
3707 vals = mymalloc((r-l) * sizeof(i_fcolor));
3708 for (i = 0; i < r-l; ++i)
3710 count = i_glinf(im, l, r, y, vals);
3711 if (GIMME_V == G_ARRAY) {
3713 for (i = 0; i < count; ++i) {
3715 i_fcolor *col = mymalloc(sizeof(i_fcolor));
3717 sv = sv_newmortal();
3718 sv_setref_pv(sv, "Imager::Color::Float", (void *)col);
3724 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_fcolor))));
3730 i_img_8_new(x, y, ch)
3736 i_img_16_new(x, y, ch)
3746 i_img_double_new(x, y, ch)
3756 i_tags_addn(im, name, code, idata)
3765 name = SvPV(ST(1), len);
3768 RETVAL = i_tags_addn(&im->tags, name, code, idata);
3773 i_tags_add(im, name, code, data, idata)
3783 name = SvPV(ST(1), len);
3787 data = SvPV(ST(3), len);
3792 RETVAL = i_tags_add(&im->tags, name, code, data, len, idata);
3797 i_tags_find(im, name, start)
3804 if (i_tags_find(&im->tags, name, start, &entry)) {
3806 RETVAL = newSVpv("0 but true", 0);
3808 RETVAL = newSViv(entry);
3810 RETVAL = &PL_sv_undef;
3816 i_tags_findn(im, code, start)
3823 if (i_tags_findn(&im->tags, code, start, &entry)) {
3825 RETVAL = newSVpv("0 but true", 0);
3827 RETVAL = newSViv(entry);
3830 RETVAL = &PL_sv_undef;
3836 i_tags_delete(im, entry)
3840 RETVAL = i_tags_delete(&im->tags, entry);
3845 i_tags_delbyname(im, name)
3849 RETVAL = i_tags_delbyname(&im->tags, name);
3854 i_tags_delbycode(im, code)
3858 RETVAL = i_tags_delbycode(&im->tags, code);
3863 i_tags_get(im, index)
3867 if (index >= 0 && index < im->tags.count) {
3868 i_img_tag *entry = im->tags.tags + index;
3872 PUSHs(sv_2mortal(newSVpv(entry->name, 0)));
3875 PUSHs(sv_2mortal(newSViv(entry->code)));
3878 PUSHs(sv_2mortal(newSVpvn(entry->data, entry->size)));
3881 PUSHs(sv_2mortal(newSViv(entry->idata)));
3886 i_tags_get_string(im, what_sv)
3890 char const *name = NULL;
3894 if (SvIOK(what_sv)) {
3895 code = SvIV(what_sv);
3899 name = SvPV_nolen(what_sv);
3902 if (i_tags_get_string(&im->tags, name, code, buffer, sizeof(buffer))) {
3904 PUSHs(sv_2mortal(newSVpv(buffer, 0)));
3911 RETVAL = im->tags.count;
3917 MODULE = Imager PACKAGE = Imager::FillHandle PREFIX=IFILL_
3921 Imager::FillHandle fill
3924 IFILL_CLONE_SKIP(...)
3926 (void)items; /* avoid unused warning for XS variable */
3931 MODULE = Imager PACKAGE = Imager
3934 i_new_fill_solid(cl, combine)
3939 i_new_fill_solidf(cl, combine)
3940 Imager::Color::Float cl
3944 i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy)
3952 unsigned char *cust_hatch;
3956 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3960 RETVAL = i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy);
3965 i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy)
3966 Imager::Color::Float fg
3967 Imager::Color::Float bg
3973 unsigned char *cust_hatch;
3977 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3981 RETVAL = i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy);
3986 i_new_fill_image(src, matrix, xoff, yoff, combine)
4003 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
4004 croak("i_new_fill_image: parameter must be an arrayref");
4005 av=(AV*)SvRV(ST(1));
4009 for (i = 0; i < len; ++i) {
4010 sv1=(*(av_fetch(av,i,0)));
4011 matrix[i] = SvNV(sv1);
4017 RETVAL = i_new_fill_image(src, matrixp, xoff, yoff, combine);
4021 MODULE = Imager PACKAGE = Imager::Internal::Hlines PREFIX=i_int_hlines_
4023 # this class is only exposed for testing
4026 i_int_hlines_testing()
4028 #if i_int_hlines_testing()
4030 Imager::Internal::Hlines
4031 i_int_hlines_new(start_y, count_y, start_x, count_x)
4037 Imager::Internal::Hlines
4038 i_int_hlines_new_img(im)
4042 i_int_hlines_add(hlines, y, minx, width)
4043 Imager::Internal::Hlines hlines
4049 i_int_hlines_DESTROY(hlines)
4050 Imager::Internal::Hlines hlines
4053 i_int_hlines_dump(hlines)
4054 Imager::Internal::Hlines hlines
4057 i_int_hlines_CLONE_SKIP(cls)
4061 MODULE = Imager PACKAGE = Imager::Context PREFIX=im_context_
4064 im_context_DESTROY(ctx)
4067 #ifdef PERL_IMPLICIT_CONTEXT
4070 im_context_CLONE(...)
4074 /* the following sv_setref_pv() will free this inc */
4075 im_context_refinc(MY_CXT.ctx, "CLONE");
4076 MY_CXT.ctx = im_context_clone(MY_CXT.ctx, "CLONE");
4077 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
4082 PERL_SET_GLOBAL_CALLBACKS;
4083 PERL_PL_SET_GLOBAL_CALLBACKS;
4084 #ifdef PERL_IMPLICIT_CONTEXT
4090 start_context(aTHX);
4091 im_get_context = perl_get_context;