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"
27 #if i_int_hlines_testing()
35 Context object management
39 typedef im_context_t Imager__Context;
41 #define im_context_DESTROY(ctx) im_context_refdec((ctx), "DESTROY")
43 #ifdef PERL_IMPLICIT_CONTEXT
45 #define MY_CXT_KEY "Imager::_context" XS_VERSION
53 im_context_t fallback_context;
58 MY_CXT.ctx = im_context_new();
59 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
61 /* Ideally we'd free this reference, but the error message memory
62 was never released on exit, so the associated memory here is reasonable
64 With logging enabled we always need at least one context, since
65 objects may be released fairly late and attempt to get the log file.
67 im_context_refinc(MY_CXT.ctx, "start_context");
68 fallback_context = MY_CXT.ctx;
72 perl_get_context(void) {
76 return MY_CXT.ctx ? MY_CXT.ctx : fallback_context;
81 static im_context_t perl_context;
85 perl_context = im_context_new();
86 im_context_refinc(perl_context, "start_context");
90 perl_get_context(void) {
96 /* used to represent channel lists parameters */
97 typedef struct i_channel_list_tag {
104 const i_sample_t *samples;
109 const i_fsample_t *samples;
114 Allocate memory that will be discarded when mortals are discarded.
119 malloc_temp(pTHX_ size_t size) {
120 SV *sv = sv_2mortal(newSV(size));
125 /* These functions are all shared - then comes platform dependant code */
126 static int getstr(void *hv_t,char *key,char **store) {
131 mm_log((1,"getstr(hv_t %p, key %s, store %p)\n",hv_t,key,store));
133 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
135 svpp=hv_fetch(hv, key, strlen(key), 0);
136 *store=SvPV(*svpp, PL_na );
141 static int getint(void *hv_t,char *key,int *store) {
146 mm_log((1,"getint(hv_t %p, key %s, store %p)\n",hv_t,key,store));
148 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
150 svpp=hv_fetch(hv, key, strlen(key), 0);
151 *store=(int)SvIV(*svpp);
155 static int getdouble(void *hv_t,char* key,double *store) {
160 mm_log((1,"getdouble(hv_t %p, key %s, store %p)\n",hv_t,key,store));
162 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
163 svpp=hv_fetch(hv, key, strlen(key), 0);
164 *store=(double)SvNV(*svpp);
168 static int getvoid(void *hv_t,char* key,void **store) {
173 mm_log((1,"getvoid(hv_t %p, key %s, store %p)\n",hv_t,key,store));
175 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
177 svpp=hv_fetch(hv, key, strlen(key), 0);
178 *store = INT2PTR(void*, SvIV(*svpp));
183 static int getobj(void *hv_t,char *key,char *type,void **store) {
188 mm_log((1,"getobj(hv_t %p, key %s,type %s, store %p)\n",hv_t,key,type,store));
190 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
192 svpp=hv_fetch(hv, key, strlen(key), 0);
194 if (sv_derived_from(*svpp,type)) {
195 IV tmp = SvIV((SV*)SvRV(*svpp));
196 *store = INT2PTR(void*, tmp);
198 mm_log((1,"getobj: key exists in hash but is not of correct type"));
205 UTIL_table_t i_UTIL_table={getstr,getint,getdouble,getvoid,getobj};
207 void my_SvREFCNT_dec(void *p) {
209 SvREFCNT_dec((SV*)p);
214 i_log_entry(char *string, int level) {
215 mm_log((level, "%s", string));
219 make_i_color_sv(pTHX_ const i_color *c) {
221 i_color *col = mymalloc(sizeof(i_color));
224 sv_setref_pv(sv, "Imager::Color", (void *)col);
229 #define CBDATA_BUFSIZE 8192
232 /* the SVs we use to call back to Perl */
240 call_reader(struct cbdata *cbd, void *buf, size_t size,
248 if (!SvOK(cbd->readcb)) {
249 mm_log((1, "read callback called but no readcb supplied\n"));
250 i_push_error(0, "read callback called but no readcb supplied");
258 PUSHs(sv_2mortal(newSViv(size)));
259 PUSHs(sv_2mortal(newSViv(maxread)));
262 count = perl_call_sv(cbd->readcb, G_SCALAR);
267 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
273 char *ptr = SvPVbyte(data, len);
275 croak("Too much data returned in reader callback (wanted %d, got %d, expected %d)",
276 (int)size, (int)len, (int)maxread);
278 memcpy(buf, ptr, len);
293 io_seeker(void *p, off_t offset, int whence) {
295 struct cbdata *cbd = p;
300 if (!SvOK(cbd->seekcb)) {
301 mm_log((1, "seek callback called but no seekcb supplied\n"));
302 i_push_error(0, "seek callback called but no seekcb supplied");
310 PUSHs(sv_2mortal(newSViv(offset)));
311 PUSHs(sv_2mortal(newSViv(whence)));
314 count = perl_call_sv(cbd->seekcb, G_SCALAR);
319 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
331 io_writer(void *p, void const *data, size_t size) {
333 struct cbdata *cbd = p;
339 if (!SvOK(cbd->writecb)) {
340 mm_log((1, "write callback called but no writecb supplied\n"));
341 i_push_error(0, "write callback called but no writecb supplied");
349 PUSHs(sv_2mortal(newSVpv((char *)data, size)));
352 count = perl_call_sv(cbd->writecb, G_SCALAR);
356 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
359 success = SvTRUE(sv);
366 return success ? size : -1;
370 io_reader(void *p, void *data, size_t size) {
371 struct cbdata *cbd = p;
373 return call_reader(cbd, data, size, size);
376 static int io_closer(void *p) {
378 struct cbdata *cbd = p;
381 if (SvOK(cbd->closecb)) {
391 count = perl_call_sv(cbd->closecb, G_SCALAR);
396 success = SvTRUE(sv);
403 return success ? 0 : -1;
406 static void io_destroyer(void *p) {
408 struct cbdata *cbd = p;
410 SvREFCNT_dec(cbd->writecb);
411 SvREFCNT_dec(cbd->readcb);
412 SvREFCNT_dec(cbd->seekcb);
413 SvREFCNT_dec(cbd->closecb);
418 do_io_new_buffer(pTHX_ SV *data_sv) {
422 data = SvPVbyte(data_sv, length);
423 SvREFCNT_inc(data_sv);
424 return io_new_buffer(data, length, my_SvREFCNT_dec, data_sv);
428 describe_sv(SV *sv) {
431 svtype type = SvTYPE(SvRV(sv));
433 case SVt_PVCV: return "CV";
434 case SVt_PVGV: return "GV";
435 case SVt_PVLV: return "LV";
436 default: return "some reference";
440 return "non-reference scalar";
449 do_io_new_cb(pTHX_ SV *writecb, SV *readcb, SV *seekcb, SV *closecb) {
452 cbd = mymalloc(sizeof(struct cbdata));
453 cbd->writecb = newSVsv(writecb);
454 cbd->readcb = newSVsv(readcb);
455 cbd->seekcb = newSVsv(seekcb);
456 cbd->closecb = newSVsv(closecb);
458 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)));
460 return io_new_cb(cbd, io_reader, io_writer, io_seeker, io_closer,
468 static int lookup_name(struct value_name *names, int count, char *name, int def_value)
471 for (i = 0; i < count; ++i)
472 if (strEQ(names[i].name, name))
473 return names[i].value;
477 static struct value_name transp_names[] =
480 { "threshold", tr_threshold },
481 { "errdiff", tr_errdiff },
482 { "ordered", tr_ordered, },
485 static struct value_name make_color_names[] =
487 { "none", mc_none, },
488 { "webmap", mc_web_map, },
489 { "addi", mc_addi, },
490 { "mediancut", mc_median_cut, },
491 { "mono", mc_mono, },
492 { "monochrome", mc_mono, },
493 { "gray", mc_gray, },
494 { "gray4", mc_gray4, },
495 { "gray16", mc_gray16, },
498 static struct value_name translate_names[] =
500 { "giflib", pt_giflib, },
501 { "closest", pt_closest, },
502 { "perturb", pt_perturb, },
503 { "errdiff", pt_errdiff, },
506 static struct value_name errdiff_names[] =
508 { "floyd", ed_floyd, },
509 { "jarvis", ed_jarvis, },
510 { "stucki", ed_stucki, },
511 { "custom", ed_custom, },
514 static struct value_name orddith_names[] =
516 { "random", od_random, },
517 { "dot8", od_dot8, },
518 { "dot4", od_dot4, },
519 { "hline", od_hline, },
520 { "vline", od_vline, },
521 { "/line", od_slashline, },
522 { "slashline", od_slashline, },
523 { "\\line", od_backline, },
524 { "backline", od_backline, },
525 { "tiny", od_tiny, },
526 { "custom", od_custom, },
529 /* look through the hash for quantization options */
531 ip_handle_quant_opts(pTHX_ i_quantize *quant, HV *hv)
533 /*** POSSIBLY BROKEN: do I need to unref the SV from hv_fetch ***/
539 quant->mc_colors = mymalloc(quant->mc_size * sizeof(i_color));
541 sv = hv_fetch(hv, "transp", 6, 0);
542 if (sv && *sv && (str = SvPV(*sv, len))) {
544 lookup_name(transp_names, sizeof(transp_names)/sizeof(*transp_names),
546 if (quant->transp != tr_none) {
547 quant->tr_threshold = 127;
548 sv = hv_fetch(hv, "tr_threshold", 12, 0);
550 quant->tr_threshold = SvIV(*sv);
552 if (quant->transp == tr_errdiff) {
553 sv = hv_fetch(hv, "tr_errdiff", 10, 0);
554 if (sv && *sv && (str = SvPV(*sv, len)))
555 quant->tr_errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
557 if (quant->transp == tr_ordered) {
558 quant->tr_orddith = od_tiny;
559 sv = hv_fetch(hv, "tr_orddith", 10, 0);
560 if (sv && *sv && (str = SvPV(*sv, len)))
561 quant->tr_orddith = lookup_name(orddith_names, sizeof(orddith_names)/sizeof(*orddith_names), str, od_random);
563 if (quant->tr_orddith == od_custom) {
564 sv = hv_fetch(hv, "tr_map", 6, 0);
565 if (sv && *sv && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
566 AV *av = (AV*)SvRV(*sv);
567 len = av_len(av) + 1;
568 if (len > sizeof(quant->tr_custom))
569 len = sizeof(quant->tr_custom);
570 for (i = 0; i < len; ++i) {
571 SV **sv2 = av_fetch(av, i, 0);
573 quant->tr_custom[i] = SvIV(*sv2);
576 while (i < sizeof(quant->tr_custom))
577 quant->tr_custom[i++] = 0;
582 quant->make_colors = mc_median_cut;
583 sv = hv_fetch(hv, "make_colors", 11, 0);
584 if (sv && *sv && (str = SvPV(*sv, len))) {
586 lookup_name(make_color_names, sizeof(make_color_names)/sizeof(*make_color_names), str, mc_median_cut);
588 sv = hv_fetch(hv, "colors", 6, 0);
589 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
590 /* needs to be an array of Imager::Color
591 note that the caller allocates the mc_color array and sets mc_size
593 AV *av = (AV *)SvRV(*sv);
594 quant->mc_count = av_len(av)+1;
595 if (quant->mc_count > quant->mc_size)
596 quant->mc_count = quant->mc_size;
597 for (i = 0; i < quant->mc_count; ++i) {
598 SV **sv1 = av_fetch(av, i, 0);
599 if (sv1 && *sv1 && SvROK(*sv1) && sv_derived_from(*sv1, "Imager::Color")) {
600 i_color *col = INT2PTR(i_color *, SvIV((SV*)SvRV(*sv1)));
601 quant->mc_colors[i] = *col;
605 sv = hv_fetch(hv, "max_colors", 10, 0);
608 if (i <= quant->mc_size && i >= quant->mc_count)
612 quant->translate = pt_closest;
613 sv = hv_fetch(hv, "translate", 9, 0);
614 if (sv && *sv && (str = SvPV(*sv, len))) {
615 quant->translate = lookup_name(translate_names, sizeof(translate_names)/sizeof(*translate_names), str, pt_closest);
617 sv = hv_fetch(hv, "errdiff", 7, 0);
618 if (sv && *sv && (str = SvPV(*sv, len))) {
619 quant->errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
621 if (quant->translate == pt_errdiff && quant->errdiff == ed_custom) {
622 /* get the error diffusion map */
623 sv = hv_fetch(hv, "errdiff_width", 13, 0);
625 quant->ed_width = SvIV(*sv);
626 sv = hv_fetch(hv, "errdiff_height", 14, 0);
628 quant->ed_height = SvIV(*sv);
629 sv = hv_fetch(hv, "errdiff_orig", 12, 0);
631 quant->ed_orig = SvIV(*sv);
632 if (quant->ed_width > 0 && quant->ed_height > 0) {
634 quant->ed_map = mymalloc(sizeof(int)*quant->ed_width*quant->ed_height);
635 sv = hv_fetch(hv, "errdiff_map", 11, 0);
636 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
637 AV *av = (AV*)SvRV(*sv);
638 len = av_len(av) + 1;
639 if (len > quant->ed_width * quant->ed_height)
640 len = quant->ed_width * quant->ed_height;
641 for (i = 0; i < len; ++i) {
642 SV **sv2 = av_fetch(av, i, 0);
644 quant->ed_map[i] = SvIV(*sv2);
645 sum += quant->ed_map[i];
651 myfree(quant->ed_map);
653 quant->errdiff = ed_floyd;
657 sv = hv_fetch(hv, "perturb", 7, 0);
659 quant->perturb = SvIV(*sv);
663 ip_cleanup_quant_opts(pTHX_ i_quantize *quant) {
664 myfree(quant->mc_colors);
666 myfree(quant->ed_map);
669 /* copies the color map from the hv into the colors member of the HV */
671 ip_copy_colors_back(pTHX_ HV *hv, i_quantize *quant) {
677 sv = hv_fetch(hv, "colors", 6, 0);
678 if (!sv || !*sv || !SvROK(*sv) || SvTYPE(SvRV(*sv)) != SVt_PVAV) {
683 av = (AV *)SvRV(*sv);
685 av_extend(av, quant->mc_count+1);
686 for (i = 0; i < quant->mc_count; ++i) {
687 i_color *in = quant->mc_colors+i;
688 Imager__Color c = ICL_new_internal(in->rgb.r, in->rgb.g, in->rgb.b, 255);
689 work = sv_newmortal();
690 sv_setref_pv(work, "Imager::Color", (void *)c);
696 /* loads the segments of a fountain fill into an array */
697 static i_fountain_seg *
698 load_fount_segs(pTHX_ AV *asegs, int *count) {
699 /* Each element of segs must contain:
700 [ start, middle, end, c0, c1, segtype, colortrans ]
701 start, middle, end are doubles from 0 to 1
702 c0, c1 are Imager::Color::Float or Imager::Color objects
703 segtype, colortrans are ints
707 i_fountain_seg *segs;
711 *count = av_len(asegs)+1;
713 croak("i_fountain must have at least one segment");
714 segs = mymalloc(sizeof(i_fountain_seg) * *count);
715 for(i = 0; i < *count; i++) {
716 SV **sv1 = av_fetch(asegs, i, 0);
717 if (!sv1 || !*sv1 || !SvROK(*sv1)
718 || SvTYPE(SvRV(*sv1)) != SVt_PVAV) {
720 croak("i_fountain: segs must be an arrayref of arrayrefs");
722 aseg = (AV *)SvRV(*sv1);
723 if (av_len(aseg) != 7-1) {
725 croak("i_fountain: a segment must have 7 members");
727 for (j = 0; j < 3; ++j) {
728 SV **sv2 = av_fetch(aseg, j, 0);
731 croak("i_fountain: XS error");
733 work[j] = SvNV(*sv2);
735 segs[i].start = work[0];
736 segs[i].middle = work[1];
737 segs[i].end = work[2];
738 for (j = 0; j < 2; ++j) {
739 SV **sv3 = av_fetch(aseg, 3+j, 0);
740 if (!sv3 || !*sv3 || !SvROK(*sv3) ||
741 (!sv_derived_from(*sv3, "Imager::Color")
742 && !sv_derived_from(*sv3, "Imager::Color::Float"))) {
744 croak("i_fountain: segs must contain colors in elements 3 and 4");
746 if (sv_derived_from(*sv3, "Imager::Color::Float")) {
747 segs[i].c[j] = *INT2PTR(i_fcolor *, SvIV((SV *)SvRV(*sv3)));
750 i_color c = *INT2PTR(i_color *, SvIV((SV *)SvRV(*sv3)));
752 for (ch = 0; ch < MAXCHANNELS; ++ch) {
753 segs[i].c[j].channel[ch] = c.channel[ch] / 255.0;
757 for (j = 0; j < 2; ++j) {
758 SV **sv2 = av_fetch(aseg, j+5, 0);
761 croak("i_fountain: XS error");
763 worki[j] = SvIV(*sv2);
765 segs[i].type = worki[0];
766 segs[i].color = worki[1];
772 /* validates the indexes supplied to i_ppal
774 i_ppal() doesn't do that for speed, but I'm not comfortable doing that
779 validate_i_ppal(i_img *im, i_palidx const *indexes, int count) {
780 int color_count = i_colorcount(im);
783 if (color_count == -1)
784 croak("i_plin() called on direct color image");
786 for (i = 0; i < count; ++i) {
787 if (indexes[i] >= color_count) {
788 croak("i_plin() called with out of range color index %d (max %d)",
789 indexes[i], color_count-1);
794 /* I don't think ICLF_* names belong at the C interface
795 this makes the XS code think we have them, to let us avoid
796 putting function bodies in the XS code
798 #define ICLF_new_internal(r, g, b, a) i_fcolor_new((r), (g), (b), (a))
799 #define ICLF_DESTROY(cl) i_fcolor_destroy(cl)
802 #define i_log_enabled() 1
804 #define i_log_enabled() 0
807 #if i_int_hlines_testing()
809 typedef i_int_hlines *Imager__Internal__Hlines;
811 static i_int_hlines *
812 i_int_hlines_new(i_img_dim start_y, i_img_dim count_y, i_img_dim start_x, i_img_dim count_x) {
813 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
814 i_int_init_hlines(result, start_y, count_y, start_x, count_x);
819 static i_int_hlines *
820 i_int_hlines_new_img(i_img *im) {
821 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
822 i_int_init_hlines_img(result, im);
828 i_int_hlines_DESTROY(i_int_hlines *hlines) {
829 i_int_hlines_destroy(hlines);
833 #define i_int_hlines_CLONE_SKIP(cls) 1
835 static int seg_compare(const void *vleft, const void *vright) {
836 const i_int_hline_seg *left = vleft;
837 const i_int_hline_seg *right = vright;
839 return left->minx - right->minx;
843 i_int_hlines_dump(i_int_hlines *hlines) {
845 SV *dump = newSVpvf("start_y: %" i_DF " limit_y: %" i_DF " start_x: %" i_DF " limit_x: %" i_DF"\n",
846 i_DFc(hlines->start_y), i_DFc(hlines->limit_y), i_DFc(hlines->start_x), i_DFc(hlines->limit_x));
849 for (y = hlines->start_y; y < hlines->limit_y; ++y) {
850 i_int_hline_entry *entry = hlines->entries[y-hlines->start_y];
853 /* sort the segments, if any */
855 qsort(entry->segs, entry->count, sizeof(i_int_hline_seg), seg_compare);
857 sv_catpvf(dump, " %" i_DF " (%" i_DF "):", i_DFc(y), i_DFc(entry->count));
858 for (i = 0; i < entry->count; ++i) {
859 sv_catpvf(dump, " [%" i_DF ", %" i_DF ")", i_DFc(entry->segs[i].minx),
860 i_DFc(entry->segs[i].x_limit));
862 sv_catpv(dump, "\n");
872 i_sv_off_t(pTHX_ SV *sv) {
873 #if LSEEKSIZE > IVSIZE
874 return (off_t)SvNV(sv);
876 return (off_t)SvIV(sv);
881 i_new_sv_off_t(pTHX_ off_t off) {
882 #if LSEEKSIZE > IVSIZE
889 static im_pl_ext_funcs im_perl_funcs =
891 IMAGER_PL_API_VERSION,
893 ip_handle_quant_opts,
894 ip_cleanup_quant_opts,
898 #define PERL_PL_SET_GLOBAL_CALLBACKS \
899 sv_setiv(get_sv(PERL_PL_FUNCTION_TABLE_NAME, 1), PTR2IV(&im_perl_funcs));
901 #define IIM_new i_img_8_new
902 #define IIM_DESTROY i_img_destroy
905 #define i_exif_enabled() 1
907 #define i_exif_enabled() 0
910 /* trying to use more C style names, map them here */
911 #define i_io_DESTROY(ig) io_glue_destroy(ig)
913 #define i_img_get_width(im) ((im)->xsize)
914 #define i_img_get_height(im) ((im)->ysize)
916 #define i_img_epsilonf() (DBL_EPSILON * 4)
918 /* avoid some xsubpp strangeness */
921 MODULE = Imager PACKAGE = Imager::Color PREFIX = ICL_
924 ICL_new_internal(r,g,b,a)
936 ICL_set_internal(cl,r,g,b,a)
943 ICL_set_internal(cl, r, g, b, a);
957 PUSHs(sv_2mortal(newSViv(cl->rgba.r)));
958 PUSHs(sv_2mortal(newSViv(cl->rgba.g)));
959 PUSHs(sv_2mortal(newSViv(cl->rgba.b)));
960 PUSHs(sv_2mortal(newSViv(cl->rgba.a)));
966 RETVAL = mymalloc(sizeof(i_color));
968 i_hsv_to_rgb(RETVAL);
976 RETVAL = mymalloc(sizeof(i_color));
978 i_rgb_to_hsv(RETVAL);
984 MODULE = Imager PACKAGE = Imager::Color::Float PREFIX=ICLF_
987 ICLF_new_internal(r, g, b, a)
995 Imager::Color::Float cl
999 Imager::Color::Float cl
1003 EXTEND(SP, MAXCHANNELS);
1004 for (ch = 0; ch < MAXCHANNELS; ++ch) {
1005 /* printf("%d: %g\n", ch, cl->channel[ch]); */
1006 PUSHs(sv_2mortal(newSVnv(cl->channel[ch])));
1010 ICLF_set_internal(cl,r,g,b,a)
1011 Imager::Color::Float cl
1024 Imager::Color::Float
1026 Imager::Color::Float c
1028 RETVAL = mymalloc(sizeof(i_fcolor));
1030 i_hsv_to_rgbf(RETVAL);
1034 Imager::Color::Float
1036 Imager::Color::Float c
1038 RETVAL = mymalloc(sizeof(i_fcolor));
1040 i_rgb_to_hsvf(RETVAL);
1044 MODULE = Imager PACKAGE = Imager::ImgRaw PREFIX = IIM_
1058 MODULE = Imager PACKAGE = Imager
1072 io_new_buffer(data_sv)
1075 RETVAL = do_io_new_buffer(aTHX_ data_sv);
1080 io_new_cb(writecb, readcb, seekcb, closecb, maxwrite = CBDATA_BUFSIZE)
1087 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
1095 unsigned char* data;
1099 tlength = io_slurp(ig, &data);
1100 RETVAL = newSVpv((char *)data,tlength);
1107 i_set_image_file_limits(width, height, bytes)
1113 i_get_image_file_limits()
1115 i_img_dim width, height;
1118 if (i_get_image_file_limits(&width, &height, &bytes)) {
1120 PUSHs(sv_2mortal(newSViv(width)));
1121 PUSHs(sv_2mortal(newSViv(height)));
1122 PUSHs(sv_2mortal(newSVuv(bytes)));
1126 i_int_check_image_file_limits(width, height, channels, sample_size)
1133 MODULE = Imager PACKAGE = Imager::IO PREFIX = io_
1136 io_new_fd(class, fd)
1139 RETVAL = io_new_fd(fd);
1144 io_new_buffer(class, data_sv)
1147 RETVAL = do_io_new_buffer(aTHX_ data_sv);
1152 io_new_cb(class, writecb, readcb, seekcb, closecb)
1158 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
1163 io_new_bufchain(class)
1165 RETVAL = io_new_bufchain();
1170 io__new_perlio(class, io)
1173 RETVAL = im_io_new_perlio(aTHX_ io);
1181 unsigned char* data;
1185 tlength = io_slurp(ig, &data);
1186 RETVAL = newSVpv((char *)data,tlength);
1191 MODULE = Imager PACKAGE = Imager::IO PREFIX = i_io_
1194 i_io_raw_write(ig, data_sv)
1201 data = SvPVbyte(data_sv, size);
1202 RETVAL = i_io_raw_write(ig, data, size);
1207 i_io_raw_read(ig, buffer_sv, size)
1216 croak("size negative in call to i_io_raw_read()");
1217 /* prevent an undefined value warning if they supplied an
1219 Orginally conditional on !SvOK(), but this will prevent the
1220 downgrade from croaking */
1221 sv_setpvn(buffer_sv, "", 0);
1223 if (SvUTF8(buffer_sv))
1224 sv_utf8_downgrade(buffer_sv, FALSE);
1226 buffer = SvGROW(buffer_sv, size+1);
1227 result = i_io_raw_read(ig, buffer, size);
1229 SvCUR_set(buffer_sv, result);
1230 *SvEND(buffer_sv) = '\0';
1231 SvPOK_only(buffer_sv);
1233 PUSHs(sv_2mortal(newSViv(result)));
1239 i_io_raw_read2(ig, size)
1248 croak("size negative in call to i_io_read2()");
1249 buffer_sv = newSV(size);
1250 buffer = SvGROW(buffer_sv, size+1);
1251 result = i_io_raw_read(ig, buffer, size);
1253 SvCUR_set(buffer_sv, result);
1254 *SvEND(buffer_sv) = '\0';
1255 SvPOK_only(buffer_sv);
1257 PUSHs(sv_2mortal(buffer_sv));
1261 SvREFCNT_dec(buffer_sv);
1265 i_io_raw_seek(ig, position, whence)
1279 i_io_CLONE_SKIP(...)
1281 (void)items; /* avoid unused warning for XS variable */
1308 i_io_seek(ig, off, whence)
1314 i_io_peekn(ig, size)
1322 buffer_sv = newSV(size+1);
1323 buffer = SvGROW(buffer_sv, size+1);
1324 result = i_io_peekn(ig, buffer, size);
1326 SvCUR_set(buffer_sv, result);
1327 *SvEND(buffer_sv) = '\0';
1328 SvPOK_only(buffer_sv);
1330 PUSHs(sv_2mortal(buffer_sv));
1334 SvREFCNT_dec(buffer_sv);
1338 i_io_read(ig, buffer_sv, size)
1347 croak("size negative in call to i_io_read()");
1348 /* prevent an undefined value warning if they supplied an
1350 Orginally conditional on !SvOK(), but this will prevent the
1351 downgrade from croaking */
1352 sv_setpvn(buffer_sv, "", 0);
1354 if (SvUTF8(buffer_sv))
1355 sv_utf8_downgrade(buffer_sv, FALSE);
1357 buffer = SvGROW(buffer_sv, size+1);
1358 result = i_io_read(ig, buffer, size);
1360 SvCUR_set(buffer_sv, result);
1361 *SvEND(buffer_sv) = '\0';
1362 SvPOK_only(buffer_sv);
1364 PUSHs(sv_2mortal(newSViv(result)));
1370 i_io_read2(ig, size)
1379 croak("size zero in call to read2()");
1380 buffer_sv = newSV(size);
1381 buffer = SvGROW(buffer_sv, size+1);
1382 result = i_io_read(ig, buffer, size);
1384 SvCUR_set(buffer_sv, result);
1385 *SvEND(buffer_sv) = '\0';
1386 SvPOK_only(buffer_sv);
1388 PUSHs(sv_2mortal(buffer_sv));
1392 SvREFCNT_dec(buffer_sv);
1396 i_io_gets(ig, size = 8192, eol = NEWLINE)
1406 croak("size too small in call to gets()");
1407 buffer_sv = sv_2mortal(newSV(size+1));
1408 buffer = SvPVX(buffer_sv);
1409 result = i_io_gets(ig, buffer, size+1, eol);
1411 SvCUR_set(buffer_sv, result);
1412 *SvEND(buffer_sv) = '\0';
1413 SvPOK_only(buffer_sv);
1419 i_io_write(ig, data_sv)
1426 data = SvPVbyte(data_sv, size);
1427 RETVAL = i_io_write(ig, data, size);
1432 i_io_dump(ig, flags = I_IO_DUMP_DEFAULT)
1437 i_io_set_buffered(ig, flag = 1)
1442 i_io_is_buffered(ig)
1453 MODULE = Imager PACKAGE = Imager
1464 while( (item=i_format_list[i++]) != NULL ) {
1466 PUSHs(sv_2mortal(newSVpv(item,0)));
1470 i_sametype(im, x, y)
1476 i_sametype_chans(im, x, y, channels)
1483 i_init_log(name_sv,level)
1487 const char *name = SvOK(name_sv) ? SvPV_nolen(name_sv) : NULL;
1489 RETVAL = i_init_log(name, level);
1494 i_log_entry(string,level)
1507 i_img_info(im,info);
1509 PUSHs(sv_2mortal(newSViv(info[0])));
1510 PUSHs(sv_2mortal(newSViv(info[1])));
1511 PUSHs(sv_2mortal(newSViv(info[2])));
1512 PUSHs(sv_2mortal(newSViv(info[3])));
1518 i_img_setmask(im,ch_mask)
1527 i_img_getchannels(im)
1536 sv_2mortal(newSVpv((char *)im->idata, im->bytes))
1544 i_img_get_height(im)
1549 i_img_is_monochrome(im)
1555 result = i_img_is_monochrome(im, &zero_is_white);
1557 if (GIMME_V == G_ARRAY) {
1560 PUSHs(sv_2mortal(newSViv(zero_is_white)));
1569 i_line(im,x1,y1,x2,y2,val,endp)
1579 i_line_aa(im,x1,y1,x2,y2,val,endp)
1589 i_box(im,x1,y1,x2,y2,val)
1598 i_box_filled(im,x1,y1,x2,y2,val)
1607 i_box_filledf(im,x1,y1,x2,y2,val)
1613 Imager::Color::Float val
1616 i_box_cfill(im,x1,y1,x2,y2,fill)
1622 Imager::FillHandle fill
1625 i_arc(im,x,y,rad,d1,d2,val)
1635 i_arc_aa(im,x,y,rad,d1,d2,val)
1645 i_arc_cfill(im,x,y,rad,d1,d2,fill)
1652 Imager::FillHandle fill
1655 i_arc_aa_cfill(im,x,y,rad,d1,d2,fill)
1662 Imager::FillHandle fill
1666 i_circle_aa(im,x,y,rad,val)
1674 i_circle_out(im,x,y,rad,val)
1682 i_circle_out_aa(im,x,y,rad,val)
1690 i_arc_out(im,x,y,rad,d1,d2,val)
1700 i_arc_out_aa(im,x,y,rad,d1,d2,val)
1711 i_bezier_multi(im,xc,yc,val)
1724 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
1725 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
1726 if (!SvROK(ST(2))) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
1727 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
1728 av1=(AV*)SvRV(ST(1));
1729 av2=(AV*)SvRV(ST(2));
1730 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_bezier_multi must be equal length\n");
1732 x=mymalloc( len*sizeof(double) );
1733 y=mymalloc( len*sizeof(double) );
1734 for(i=0;i<len;i++) {
1735 sv1=(*(av_fetch(av1,i,0)));
1736 sv2=(*(av_fetch(av2,i,0)));
1737 x[i]=(double)SvNV(sv1);
1738 y[i]=(double)SvNV(sv2);
1740 i_bezier_multi(im,len,x,y,val);
1746 i_poly_aa(im,x_av,y_av,val)
1758 if (av_len(x_av) != av_len(y_av))
1759 croak("Imager: x and y arrays to i_poly_aa must be equal length\n");
1761 x=mymalloc( len*sizeof(double) );
1762 y=mymalloc( len*sizeof(double) );
1763 for(i=0;i<len;i++) {
1764 x_sv=(*(av_fetch(x_av,i,0)));
1765 y_sv=(*(av_fetch(y_av,i,0)));
1766 x[i]=(double)SvNV(x_sv);
1767 y[i]=(double)SvNV(y_sv);
1769 RETVAL = i_poly_aa(im,len,x,y,val);
1776 i_poly_aa_cfill(im,x_av,y_av,fill)
1780 Imager::FillHandle fill
1788 if (av_len(x_av) != av_len(y_av))
1789 croak("Imager: x and y arrays to i_poly_aa_cfill must be equal length\n");
1791 x=mymalloc( len*sizeof(double) );
1792 y=mymalloc( len*sizeof(double) );
1793 for(i=0;i<len;i++) {
1794 x_sv=(*(av_fetch(x_av,i,0)));
1795 y_sv=(*(av_fetch(y_av,i,0)));
1796 x[i]=(double)SvNV(x_sv);
1797 y[i]=(double)SvNV(y_sv);
1799 RETVAL = i_poly_aa_cfill(im,len,x,y,fill);
1806 i_flood_fill(im,seedx,seedy,dcol)
1813 i_flood_cfill(im,seedx,seedy,fill)
1817 Imager::FillHandle fill
1820 i_flood_fill_border(im,seedx,seedy,dcol, border)
1825 Imager::Color border
1828 i_flood_cfill_border(im,seedx,seedy,fill, border)
1832 Imager::FillHandle fill
1833 Imager::Color border
1837 i_copyto(im,src,x1,y1,x2,y2,tx,ty)
1849 i_copyto_trans(im,src,x1,y1,x2,y2,tx,ty,trans)
1866 i_rubthru(im,src,tx,ty,src_minx,src_miny,src_maxx,src_maxy)
1877 i_compose(out, src, out_left, out_top, src_left, src_top, width, height, combine = ic_normal, opacity = 0.0)
1890 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)
1906 i_combine(src_av, channels_av = NULL)
1910 i_img **imgs = NULL;
1912 int *channels = NULL;
1917 in_count = av_len(src_av) + 1;
1919 imgs = mymalloc(sizeof(i_img*) * in_count);
1920 channels = mymalloc(sizeof(int) * in_count);
1921 for (i = 0; i < in_count; ++i) {
1922 psv = av_fetch(src_av, i, 0);
1923 if (!psv || !*psv || !sv_derived_from(*psv, "Imager::ImgRaw")) {
1926 croak("imgs must contain only images");
1928 tmp = SvIV((SV*)SvRV(*psv));
1929 imgs[i] = INT2PTR(i_img*, tmp);
1931 (psv = av_fetch(channels_av, i, 0)) != NULL &&
1933 channels[i] = SvIV(*psv);
1940 RETVAL = i_combine(imgs, channels, in_count);
1947 i_flipxy(im, direction)
1952 i_rotate90(im, degrees)
1957 i_rotate_exact(im, amount, ...)
1961 i_color *backp = NULL;
1962 i_fcolor *fbackp = NULL;
1966 /* extract the bg colors if any */
1967 /* yes, this is kind of strange */
1968 for (i = 2; i < items; ++i) {
1970 if (sv_derived_from(sv1, "Imager::Color")) {
1971 IV tmp = SvIV((SV*)SvRV(sv1));
1972 backp = INT2PTR(i_color *, tmp);
1974 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
1975 IV tmp = SvIV((SV*)SvRV(sv1));
1976 fbackp = INT2PTR(i_fcolor *, tmp);
1979 RETVAL = i_rotate_exact_bg(im, amount, backp, fbackp);
1984 i_matrix_transform(im, xsize, ysize, matrix_av, ...)
1994 i_color *backp = NULL;
1995 i_fcolor *fbackp = NULL;
1997 len=av_len(matrix_av)+1;
2000 for (i = 0; i < len; ++i) {
2001 sv1=(*(av_fetch(matrix_av,i,0)));
2002 matrix[i] = SvNV(sv1);
2006 /* extract the bg colors if any */
2007 /* yes, this is kind of strange */
2008 for (i = 4; i < items; ++i) {
2010 if (sv_derived_from(sv1, "Imager::Color")) {
2011 IV tmp = SvIV((SV*)SvRV(sv1));
2012 backp = INT2PTR(i_color *, tmp);
2014 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
2015 IV tmp = SvIV((SV*)SvRV(sv1));
2016 fbackp = INT2PTR(i_fcolor *, tmp);
2019 RETVAL = i_matrix_transform_bg(im, xsize, ysize, matrix, backp, fbackp);
2024 i_gaussian(im,stdev)
2029 i_unsharp_mask(im,stdev,scale)
2044 len = av_len(coef) + 1;
2045 c_coef=mymalloc( len * sizeof(double) );
2046 for(i = 0; i < len; i++) {
2047 sv1 = (*(av_fetch(coef, i, 0)));
2048 c_coef[i] = (double)SvNV(sv1);
2050 RETVAL = i_conv(im, c_coef, len);
2056 i_convert(src, avmain)
2068 outchan = av_len(avmain)+1;
2069 /* find the biggest */
2071 for (j=0; j < outchan; ++j) {
2072 temp = av_fetch(avmain, j, 0);
2073 if (temp && SvROK(*temp) && SvTYPE(SvRV(*temp)) == SVt_PVAV) {
2074 avsub = (AV*)SvRV(*temp);
2075 len = av_len(avsub)+1;
2080 i_push_errorf(0, "invalid matrix: element %d is not an array ref", j);
2084 coeff = mymalloc(sizeof(double) * outchan * inchan);
2085 for (j = 0; j < outchan; ++j) {
2086 avsub = (AV*)SvRV(*av_fetch(avmain, j, 0));
2087 len = av_len(avsub)+1;
2088 for (i = 0; i < len; ++i) {
2089 temp = av_fetch(avsub, i, 0);
2091 coeff[i+j*inchan] = SvNV(*temp);
2093 coeff[i+j*inchan] = 0;
2096 coeff[i++ + j*inchan] = 0;
2098 RETVAL = i_convert(src, coeff, outchan, inchan);
2109 unsigned int mask = 0;
2115 unsigned char (*maps)[256];
2117 len = av_len(pmaps_av)+1;
2118 if (im->channels < len)
2120 maps = mymalloc( len * sizeof(unsigned char [256]) );
2121 for (j=0; j<len ; j++) {
2122 temp = av_fetch(pmaps_av, j, 0);
2123 if (temp && SvROK(*temp) && (SvTYPE(SvRV(*temp)) == SVt_PVAV) ) {
2124 avsub = (AV*)SvRV(*temp);
2125 if(av_len(avsub) != 255)
2128 for (i=0; i<256 ; i++) {
2130 temp = av_fetch(avsub, i, 0);
2131 val = temp ? SvIV(*temp) : 0;
2133 if (val>255) val = 255;
2138 i_map(im, maps, mask);
2150 i_img_diffd(im1,im2)
2155 i_img_samef(im1, im2, epsilon = i_img_epsilonf(), what=NULL)
2165 _is_color_object(sv)
2169 RETVAL = SvOK(sv) && SvROK(sv) &&
2170 (sv_derived_from(sv, "Imager::Color")
2171 || sv_derived_from(sv, "Imager::Color::Float"));
2183 MODULE = Imager PACKAGE = Imager::Font::TT PREFIX=TT_
2185 #define TT_DESTROY(handle) i_tt_destroy(handle)
2189 Imager::Font::TT handle
2194 (void)items; /* avoid unused warning */
2200 MODULE = Imager PACKAGE = Imager
2204 i_tt_text(handle,im,xb,yb,cl,points,str_sv,smooth,utf8,align=1)
2205 Imager::Font::TT handle
2219 str = SvPV(str_sv, len);
2224 RETVAL = i_tt_text(handle, im, xb, yb, cl, points, str,
2225 len, smooth, utf8, align);
2231 i_tt_cp(handle,im,xb,yb,channel,points,str_sv,smooth,utf8,align=1)
2232 Imager::Font::TT handle
2246 str = SvPV(str_sv, len);
2251 RETVAL = i_tt_cp(handle, im, xb, yb, channel, points, str, len,
2252 smooth, utf8, align);
2258 i_tt_bbox(handle,point,str_sv,utf8)
2259 Imager::Font::TT handle
2264 i_img_dim cords[BOUNDING_BOX_COUNT];
2270 str = SvPV(str_sv, len);
2275 if ((rc=i_tt_bbox(handle,point,str,len,cords, utf8))) {
2277 for (i = 0; i < rc; ++i) {
2278 PUSHs(sv_2mortal(newSViv(cords[i])));
2283 i_tt_has_chars(handle, text_sv, utf8)
2284 Imager::Font::TT handle
2295 text = SvPV(text_sv, len);
2297 if (SvUTF8(text_sv))
2300 work = mymalloc(len);
2301 count = i_tt_has_chars(handle, text, len, utf8, work);
2302 if (GIMME_V == G_ARRAY) {
2304 for (i = 0; i < count; ++i) {
2305 PUSHs(boolSV(work[i]));
2310 PUSHs(sv_2mortal(newSVpv(work, count)));
2315 i_tt_dump_names(handle)
2316 Imager::Font::TT handle
2319 i_tt_face_name(handle)
2320 Imager::Font::TT handle
2325 len = i_tt_face_name(handle, name, sizeof(name));
2328 PUSHs(sv_2mortal(newSVpv(name, len-1)));
2332 i_tt_glyph_name(handle, text_sv, utf8 = 0)
2333 Imager::Font::TT handle
2345 text = SvPV(text_sv, work_len);
2347 if (SvUTF8(text_sv))
2354 ch = i_utf8_advance(&text, &len);
2356 i_push_error(0, "invalid UTF8 character");
2364 EXTEND(SP, count+1);
2365 if ((outsize = i_tt_glyph_name(handle, ch, name, sizeof(name))) != 0) {
2366 ST(count) = sv_2mortal(newSVpv(name, 0));
2369 ST(count) = &PL_sv_undef;
2378 i_test_format_probe(ig, length)
2383 i_readpnm_wiol(ig, allow_incomplete)
2385 int allow_incomplete
2389 i_readpnm_multi_wiol(ig, allow_incomplete)
2391 int allow_incomplete
2397 imgs = i_readpnm_multi_wiol(ig, &count, allow_incomplete);
2400 for (i = 0; i < count; ++i) {
2401 SV *sv = sv_newmortal();
2402 sv_setref_pv(sv, "Imager::ImgRaw", (void *)imgs[i]);
2409 i_writeppm_wiol(im, ig)
2418 i_readraw_wiol(ig,x,y,datachannels,storechannels,intrl)
2427 i_writeraw_wiol(im,ig)
2432 i_writebmp_wiol(im,ig)
2437 i_readbmp_wiol(ig, allow_incomplete=0)
2439 int allow_incomplete
2443 i_writetga_wiol(im,ig, wierdpack, compress, idstring)
2452 idlen = SvCUR(ST(4));
2453 RETVAL = i_writetga_wiol(im, ig, wierdpack, compress, idstring, idlen);
2459 i_readtga_wiol(ig, length)
2467 i_scaleaxis(im,Value,Axis)
2473 i_scale_nn(im,scx,scy)
2479 i_scale_mixing(im, width, height)
2489 i_count_colors(im,maxc)
2494 i_get_anonymous_color_histo(im, maxc = 0x40000000)
2499 unsigned int * col_usage = NULL;
2502 col_cnt = i_get_anonymous_color_histo(im, &col_usage, maxc);
2503 EXTEND(SP, col_cnt);
2504 for (i = 0; i < col_cnt; i++) {
2505 PUSHs(sv_2mortal(newSViv( col_usage[i])));
2512 i_transform(im,opx,opy,parm)
2526 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
2527 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to an array\n");
2528 if (!SvROK(ST(3))) croak("Imager: Parameter 3 must be a reference to an array\n");
2529 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
2530 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 must be a reference to an array\n");
2531 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 3 must be a reference to an array\n");
2532 av=(AV*)SvRV(ST(1));
2534 opx=mymalloc( opxl*sizeof(int) );
2535 for(i=0;i<opxl;i++) {
2536 sv1=(*(av_fetch(av,i,0)));
2537 opx[i]=(int)SvIV(sv1);
2539 av=(AV*)SvRV(ST(2));
2541 opy=mymalloc( opyl*sizeof(int) );
2542 for(i=0;i<opyl;i++) {
2543 sv1=(*(av_fetch(av,i,0)));
2544 opy[i]=(int)SvIV(sv1);
2546 av=(AV*)SvRV(ST(3));
2547 parmlen=av_len(av)+1;
2548 parm=mymalloc( parmlen*sizeof(double) );
2549 for(i=0;i<parmlen;i++) { /* FIXME: Bug? */
2550 sv1=(*(av_fetch(av,i,0)));
2551 parm[i]=(double)SvNV(sv1);
2553 result=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
2558 SV *result_sv = sv_newmortal();
2560 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2565 i_transform2(sv_width,sv_height,channels,sv_ops,av_n_regs,av_c_regs,av_in_imgs)
2591 in_imgs_count = av_len(av_in_imgs)+1;
2592 for (i = 0; i < in_imgs_count; ++i) {
2593 sv1 = *av_fetch(av_in_imgs, i, 0);
2594 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2595 croak("sv_in_img must contain only images");
2598 if (in_imgs_count > 0) {
2599 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
2600 for (i = 0; i < in_imgs_count; ++i) {
2601 sv1 = *av_fetch(av_in_imgs,i,0);
2602 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2603 croak("Parameter 5 must contain only images");
2605 tmp = SvIV((SV*)SvRV(sv1));
2606 in_imgs[i] = INT2PTR(i_img*, tmp);
2610 /* no input images */
2613 /* default the output size from the first input if possible */
2615 width = SvIV(sv_width);
2616 else if (in_imgs_count)
2617 width = in_imgs[0]->xsize;
2619 croak("No output image width supplied");
2621 if (SvOK(sv_height))
2622 height = SvIV(sv_height);
2623 else if (in_imgs_count)
2624 height = in_imgs[0]->ysize;
2626 croak("No output image height supplied");
2628 ops = (struct rm_op *)SvPV(sv_ops, ops_len);
2629 if (ops_len % sizeof(struct rm_op))
2630 croak("Imager: Parameter 3 must be a bitmap of regops\n");
2631 ops_count = ops_len / sizeof(struct rm_op);
2633 n_regs_count = av_len(av_n_regs)+1;
2634 n_regs = mymalloc(n_regs_count * sizeof(double));
2635 for (i = 0; i < n_regs_count; ++i) {
2636 sv1 = *av_fetch(av_n_regs,i,0);
2638 n_regs[i] = SvNV(sv1);
2640 c_regs_count = av_len(av_c_regs)+1;
2641 c_regs = mymalloc(c_regs_count * sizeof(i_color));
2642 /* I don't bother initializing the colou?r registers */
2644 result=i_transform2(width, height, channels, ops, ops_count,
2645 n_regs, n_regs_count,
2646 c_regs, c_regs_count, in_imgs, in_imgs_count);
2652 SV *result_sv = sv_newmortal();
2654 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2660 i_contrast(im,intensity)
2673 i_noise(im,amount,type)
2679 i_bumpmap(im,bump,channel,light_x,light_y,strength)
2689 i_bumpmap_complex(im,bump,channel,tx,ty,Lx,Ly,Lz,cd,cs,n,Ia,Il,Is)
2708 i_postlevels(im,levels)
2718 i_watermark(im,wmark,tx,ty,pixdiff)
2720 Imager::ImgRaw wmark
2727 i_autolevels(im,lsat,usat,skew)
2734 i_radnoise(im,xo,yo,rscale,ascale)
2742 i_turbnoise(im, xo, yo, scale)
2765 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
2766 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2767 croak("i_gradgen: Second argument must be an array ref");
2768 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2769 croak("i_gradgen: Third argument must be an array ref");
2770 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2771 croak("i_gradgen: Fourth argument must be an array ref");
2772 axx = (AV *)SvRV(ST(1));
2773 ayy = (AV *)SvRV(ST(2));
2774 ac = (AV *)SvRV(ST(3));
2775 dmeasure = (int)SvIV(ST(4));
2777 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2778 num = num <= av_len(ac) ? num : av_len(ac);
2780 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
2781 xo = mymalloc( sizeof(i_img_dim) * num );
2782 yo = mymalloc( sizeof(i_img_dim) * num );
2783 ival = mymalloc( sizeof(i_color) * num );
2784 for(i = 0; i<num; i++) {
2785 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2786 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2787 sv = *av_fetch(ac, i, 0);
2788 if ( !sv_derived_from(sv, "Imager::Color") ) {
2789 free(axx); free(ayy); free(ac);
2790 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
2792 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2794 i_gradgen(im, num, xo, yo, ival, dmeasure);
2800 i_diff_image(im, im2, mindist=0)
2806 i_fountain(im, xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2816 double ssample_param
2820 i_fountain_seg *segs;
2822 if (!SvROK(ST(10)) || ! SvTYPE(SvRV(ST(10))))
2823 croak("i_fountain: argument 11 must be an array ref");
2825 asegs = (AV *)SvRV(ST(10));
2826 segs = load_fount_segs(aTHX_ asegs, &count);
2827 RETVAL = i_fountain(im, xa, ya, xb, yb, type, repeat, combine,
2828 super_sample, ssample_param, count, segs);
2834 i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2843 double ssample_param
2847 i_fountain_seg *segs;
2849 if (!SvROK(ST(9)) || ! SvTYPE(SvRV(ST(9))))
2850 croak("i_fountain: argument 11 must be an array ref");
2852 asegs = (AV *)SvRV(ST(9));
2853 segs = load_fount_segs(aTHX_ asegs, &count);
2854 RETVAL = i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine,
2855 super_sample, ssample_param, count, segs);
2861 i_new_fill_opacity(other_fill, alpha_mult)
2862 Imager::FillHandle other_fill
2873 errors = i_errors();
2875 while (errors[i].msg) {
2877 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
2878 if (!av_store(av, 0, sv)) {
2881 sv = newSViv(errors[i].code);
2882 if (!av_store(av, 1, sv)) {
2885 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
2893 i_push_error(code, msg)
2898 i_nearest_color(im, ...)
2913 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
2914 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2915 croak("i_nearest_color: Second argument must be an array ref");
2916 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2917 croak("i_nearest_color: Third argument must be an array ref");
2918 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2919 croak("i_nearest_color: Fourth argument must be an array ref");
2920 axx = (AV *)SvRV(ST(1));
2921 ayy = (AV *)SvRV(ST(2));
2922 ac = (AV *)SvRV(ST(3));
2923 dmeasure = (int)SvIV(ST(4));
2925 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2926 num = num <= av_len(ac) ? num : av_len(ac);
2928 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
2929 xo = mymalloc( sizeof(i_img_dim) * num );
2930 yo = mymalloc( sizeof(i_img_dim) * num );
2931 ival = mymalloc( sizeof(i_color) * num );
2932 for(i = 0; i<num; i++) {
2933 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2934 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2935 sv = *av_fetch(ac, i, 0);
2936 if ( !sv_derived_from(sv, "Imager::Color") ) {
2937 free(axx); free(ayy); free(ac);
2938 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
2940 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2942 RETVAL = i_nearest_color(im, num, xo, yo, ival, dmeasure);
2956 rc=DSO_open(filename,&evstr);
2960 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2961 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
2964 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2970 DSO_close(dso_handle)
2974 DSO_funclist(dso_handle_v)
2978 DSO_handle *dso_handle;
2979 func_ptr *functions;
2981 dso_handle=(DSO_handle*)dso_handle_v;
2982 functions = DSO_funclist(dso_handle);
2984 while( functions[i].name != NULL) {
2986 PUSHs(sv_2mortal(newSVpv(functions[i].name,0)));
2988 PUSHs(sv_2mortal(newSVpv(functions[i++].pcode,0)));
2992 DSO_call(handle,func_index,hv)
2998 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
2999 hv=(HV*)SvRV(ST(2));
3000 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
3001 DSO_call( (DSO_handle *)handle,func_index,hv);
3004 i_get_pixel(im, x, y)
3011 color = (i_color *)mymalloc(sizeof(i_color));
3012 if (i_gpix(im, x, y, color) == 0) {
3013 RETVAL = NEWSV(0, 0);
3014 sv_setref_pv(RETVAL, "Imager::Color", (void *)color);
3018 RETVAL = &PL_sv_undef;
3025 i_ppix(im, x, y, cl)
3032 i_img_pal_new(x, y, channels, maxpal)
3039 i_img_to_pal(src, quant)
3045 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
3046 croak("i_img_to_pal: second argument must be a hash ref");
3047 hv = (HV *)SvRV(ST(1));
3048 memset(&quant, 0, sizeof(quant));
3050 quant.mc_size = 256;
3051 ip_handle_quant_opts(aTHX_ &quant, hv);
3052 RETVAL = i_img_to_pal(src, &quant);
3054 ip_copy_colors_back(aTHX_ hv, &quant);
3056 ip_cleanup_quant_opts(aTHX_ &quant);
3065 i_img_make_palette(HV *quant_hv, ...)
3067 size_t count = items - 1;
3069 i_img **imgs = NULL;
3073 croak("Please supply at least one image (%d)", (int)count);
3074 imgs = mymalloc(sizeof(i_img *) * count);
3075 for (i = 0; i < count; ++i) {
3076 SV *img_sv = ST(i + 1);
3077 if (SvROK(img_sv) && sv_derived_from(img_sv, "Imager::ImgRaw")) {
3078 imgs[i] = INT2PTR(i_img *, SvIV((SV*)SvRV(img_sv)));
3082 croak("Image %d is not an image object", (int)i+1);
3085 memset(&quant, 0, sizeof(quant));
3087 quant.mc_size = 256;
3088 ip_handle_quant_opts(aTHX_ &quant, quant_hv);
3089 i_quant_makemap(&quant, imgs, count);
3090 EXTEND(SP, quant.mc_count);
3091 for (i = 0; i < quant.mc_count; ++i) {
3092 SV *sv_c = make_i_color_sv(aTHX_ quant.mc_colors + i);
3095 ip_cleanup_quant_opts(aTHX_ &quant);
3109 work = mymalloc((r-l) * sizeof(i_palidx));
3110 count = i_gpal(im, l, r, y, work);
3111 if (GIMME_V == G_ARRAY) {
3113 for (i = 0; i < count; ++i) {
3114 PUSHs(sv_2mortal(newSViv(work[i])));
3119 PUSHs(sv_2mortal(newSVpv((char *)work, count * sizeof(i_palidx))));
3124 if (GIMME_V != G_ARRAY) {
3126 PUSHs(&PL_sv_undef);
3131 i_ppal(im, l, y, ...)
3140 work = malloc_temp(aTHX_ sizeof(i_palidx) * (items-3));
3141 for (i=0; i < items-3; ++i) {
3142 work[i] = SvIV(ST(i+3));
3144 validate_i_ppal(im, work, items - 3);
3145 RETVAL = i_ppal(im, l, l+items-3, y, work);
3154 i_ppal_p(im, l, y, data)
3160 i_palidx const *work;
3163 work = (i_palidx const *)SvPV(data, len);
3164 len /= sizeof(i_palidx);
3166 validate_i_ppal(im, work, len);
3167 RETVAL = i_ppal(im, l, l+len, y, work);
3176 i_addcolors(im, ...)
3184 croak("i_addcolors: no colors to add");
3185 colors = mymalloc((items-1) * sizeof(i_color));
3186 for (i=0; i < items-1; ++i) {
3187 if (sv_isobject(ST(i+1))
3188 && sv_derived_from(ST(i+1), "Imager::Color")) {
3189 IV tmp = SvIV((SV *)SvRV(ST(i+1)));
3190 colors[i] = *INT2PTR(i_color *, tmp);
3194 croak("i_addcolor: pixels must be Imager::Color objects");
3197 index = i_addcolors(im, colors, items-1);
3200 RETVAL = newSVpv("0 but true", 0);
3202 else if (index == -1) {
3203 RETVAL = &PL_sv_undef;
3206 RETVAL = newSViv(index);
3212 i_setcolors(im, index, ...)
3220 croak("i_setcolors: no colors to add");
3221 colors = mymalloc((items-2) * sizeof(i_color));
3222 for (i=0; i < items-2; ++i) {
3223 if (sv_isobject(ST(i+2))
3224 && sv_derived_from(ST(i+2), "Imager::Color")) {
3225 IV tmp = SvIV((SV *)SvRV(ST(i+2)));
3226 colors[i] = *INT2PTR(i_color *, tmp);
3230 croak("i_setcolors: pixels must be Imager::Color objects");
3233 RETVAL = i_setcolors(im, index, colors, items-2);
3239 i_getcolors(im, index, ...)
3248 croak("i_getcolors: too many arguments");
3250 count = SvIV(ST(2));
3252 croak("i_getcolors: count must be positive");
3253 colors = mymalloc(sizeof(i_color) * count);
3254 if (i_getcolors(im, index, colors, count)) {
3255 for (i = 0; i < count; ++i) {
3256 SV *sv = make_i_color_sv(aTHX_ colors+i);
3272 i_findcolor(im, color)
3278 if (i_findcolor(im, color, &index)) {
3279 RETVAL = newSViv(index);
3282 RETVAL = &PL_sv_undef;
3300 i_gsamp(im, l, r, y, channels)
3305 i_channel_list channels
3311 data = mymalloc(sizeof(i_sample_t) * (r-l) * channels.count); /* XXX: memleak? */
3312 count = i_gsamp(im, l, r, y, data, channels.channels, channels.count);
3313 if (GIMME_V == G_ARRAY) {
3315 for (i = 0; i < count; ++i)
3316 PUSHs(sv_2mortal(newSViv(data[i])));
3320 PUSHs(sv_2mortal(newSVpv((char *)data, count * sizeof(i_sample_t))));
3325 if (GIMME_V != G_ARRAY) {
3327 PUSHs(&PL_sv_undef);
3332 i_gsamp_bits(im, l, r, y, bits, target, offset, channels)
3340 i_channel_list channels
3347 croak("No channel numbers supplied to g_samp()");
3349 data = mymalloc(sizeof(unsigned) * (r-l) * channels.count);
3350 count = i_gsamp_bits(im, l, r, y, data, channels.channels, channels.count, bits);
3351 for (i = 0; i < count; ++i) {
3352 av_store(target, i+offset, newSVuv(data[i]));
3364 i_psamp_bits(im, l, y, bits, channels, data_av, data_offset = 0, pixel_count = -1)
3369 i_channel_list channels
3371 i_img_dim data_offset
3372 i_img_dim pixel_count
3381 data_count = av_len(data_av) + 1;
3382 if (data_offset < 0) {
3383 croak("data_offset must be non-negative");
3385 if (data_offset > data_count) {
3386 croak("data_offset greater than number of samples supplied");
3388 if (pixel_count == -1 ||
3389 data_offset + pixel_count * channels.count > data_count) {
3390 pixel_count = (data_count - data_offset) / channels.count;
3393 data_used = pixel_count * channels.count;
3394 data = mymalloc(sizeof(unsigned) * data_count);
3395 for (i = 0; i < data_used; ++i)
3396 data[i] = SvUV(*av_fetch(data_av, data_offset + i, 0));
3398 RETVAL = i_psamp_bits(im, l, l + pixel_count, y, data, channels.channels,
3399 channels.count, bits);
3407 i_psamp(im, x, y, channels, data, offset = 0, width = -1)
3411 i_channel_list channels
3420 i_push_error(0, "offset must be non-negative");
3424 if (offset > data.count) {
3425 i_push_error(0, "offset greater than number of samples supplied");
3428 data.samples += offset;
3429 data.count -= offset;
3432 width * channels.count > data.count) {
3433 width = data.count / channels.count;
3436 RETVAL = i_psamp(im, x, r, y, data.samples, channels.channels, channels.count);
3441 i_psampf(im, x, y, channels, data, offset = 0, width = -1)
3445 i_channel_list channels
3454 i_push_error(0, "offset must be non-negative");
3458 if (offset > data.count) {
3459 i_push_error(0, "offset greater than number of samples supplied");
3462 data.samples += offset;
3463 data.count -= offset;
3466 width * channels.count > data.count) {
3467 width = data.count / channels.count;
3470 RETVAL = i_psampf(im, x, r, y, data.samples, channels.channels, channels.count);
3475 i_img_masked_new(targ, mask, x, y, w, h)
3485 if (!sv_isobject(ST(1))
3486 || !sv_derived_from(ST(1), "Imager::ImgRaw")) {
3487 croak("i_img_masked_new: parameter 2 must undef or an image");
3489 mask = INT2PTR(i_img *, SvIV((SV *)SvRV(ST(1))));
3493 RETVAL = i_img_masked_new(targ, mask, x, y, w, h);
3498 i_plin(im, l, y, ...)
3509 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3510 /* supplied as a byte string */
3511 work = (i_color *)SvPV(ST(3), len);
3512 count = len / sizeof(i_color);
3513 if (count * sizeof(i_color) != len) {
3514 croak("i_plin: length of scalar argument must be multiple of sizeof i_color");
3516 RETVAL = i_plin(im, l, l+count, y, work);
3519 work = mymalloc(sizeof(i_color) * (items-3));
3520 for (i=0; i < items-3; ++i) {
3521 if (sv_isobject(ST(i+3))
3522 && sv_derived_from(ST(i+3), "Imager::Color")) {
3523 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3524 work[i] = *INT2PTR(i_color *, tmp);
3528 croak("i_plin: pixels must be Imager::Color objects");
3531 RETVAL = i_plin(im, l, l+items-3, y, work);
3542 i_ppixf(im, x, y, cl)
3546 Imager::Color::Float cl
3549 i_gsampf(im, l, r, y, channels)
3554 i_channel_list channels
3560 data = mymalloc(sizeof(i_fsample_t) * (r-l) * channels.count);
3561 count = i_gsampf(im, l, r, y, data, channels.channels, channels.count);
3562 if (GIMME_V == G_ARRAY) {
3564 for (i = 0; i < count; ++i)
3565 PUSHs(sv_2mortal(newSVnv(data[i])));
3569 PUSHs(sv_2mortal(newSVpv((void *)data, count * sizeof(i_fsample_t))));
3574 if (GIMME_V != G_ARRAY) {
3576 PUSHs(&PL_sv_undef);
3581 i_plinf(im, l, y, ...)
3592 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3593 /* supplied as a byte string */
3594 work = (i_fcolor *)SvPV(ST(3), len);
3595 count = len / sizeof(i_fcolor);
3596 if (count * sizeof(i_fcolor) != len) {
3597 croak("i_plin: length of scalar argument must be multiple of sizeof i_fcolor");
3599 RETVAL = i_plinf(im, l, l+count, y, work);
3602 work = mymalloc(sizeof(i_fcolor) * (items-3));
3603 for (i=0; i < items-3; ++i) {
3604 if (sv_isobject(ST(i+3))
3605 && sv_derived_from(ST(i+3), "Imager::Color::Float")) {
3606 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3607 work[i] = *INT2PTR(i_fcolor *, tmp);
3611 croak("i_plinf: pixels must be Imager::Color::Float objects");
3615 RETVAL = i_plinf(im, l, l+items-3, y, work);
3633 color = (i_fcolor *)mymalloc(sizeof(i_fcolor));
3634 if (i_gpixf(im, x, y, color) == 0) {
3635 RETVAL = NEWSV(0,0);
3636 sv_setref_pv(RETVAL, "Imager::Color::Float", (void *)color);
3640 RETVAL = &PL_sv_undef;
3656 vals = mymalloc((r-l) * sizeof(i_color));
3657 memset(vals, 0, (r-l) * sizeof(i_color));
3658 count = i_glin(im, l, r, y, vals);
3659 if (GIMME_V == G_ARRAY) {
3661 for (i = 0; i < count; ++i) {
3662 SV *sv = make_i_color_sv(aTHX_ vals+i);
3668 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_color))));
3674 i_glinf(im, l, r, y)
3684 for (i = 0; i < MAXCHANNELS; ++i)
3685 zero.channel[i] = 0;
3687 vals = mymalloc((r-l) * sizeof(i_fcolor));
3688 for (i = 0; i < r-l; ++i)
3690 count = i_glinf(im, l, r, y, vals);
3691 if (GIMME_V == G_ARRAY) {
3693 for (i = 0; i < count; ++i) {
3695 i_fcolor *col = mymalloc(sizeof(i_fcolor));
3697 sv = sv_newmortal();
3698 sv_setref_pv(sv, "Imager::Color::Float", (void *)col);
3704 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_fcolor))));
3710 i_img_8_new(x, y, ch)
3716 i_img_16_new(x, y, ch)
3726 i_img_double_new(x, y, ch)
3736 i_tags_addn(im, name, code, idata)
3745 name = SvPV(ST(1), len);
3748 RETVAL = i_tags_addn(&im->tags, name, code, idata);
3753 i_tags_add(im, name, code, data, idata)
3763 name = SvPV(ST(1), len);
3767 data = SvPV(ST(3), len);
3772 RETVAL = i_tags_add(&im->tags, name, code, data, len, idata);
3777 i_tags_find(im, name, start)
3784 if (i_tags_find(&im->tags, name, start, &entry)) {
3786 RETVAL = newSVpv("0 but true", 0);
3788 RETVAL = newSViv(entry);
3790 RETVAL = &PL_sv_undef;
3796 i_tags_findn(im, code, start)
3803 if (i_tags_findn(&im->tags, code, start, &entry)) {
3805 RETVAL = newSVpv("0 but true", 0);
3807 RETVAL = newSViv(entry);
3810 RETVAL = &PL_sv_undef;
3816 i_tags_delete(im, entry)
3820 RETVAL = i_tags_delete(&im->tags, entry);
3825 i_tags_delbyname(im, name)
3829 RETVAL = i_tags_delbyname(&im->tags, name);
3834 i_tags_delbycode(im, code)
3838 RETVAL = i_tags_delbycode(&im->tags, code);
3843 i_tags_get(im, index)
3847 if (index >= 0 && index < im->tags.count) {
3848 i_img_tag *entry = im->tags.tags + index;
3852 PUSHs(sv_2mortal(newSVpv(entry->name, 0)));
3855 PUSHs(sv_2mortal(newSViv(entry->code)));
3858 PUSHs(sv_2mortal(newSVpvn(entry->data, entry->size)));
3861 PUSHs(sv_2mortal(newSViv(entry->idata)));
3866 i_tags_get_string(im, what_sv)
3870 char const *name = NULL;
3874 if (SvIOK(what_sv)) {
3875 code = SvIV(what_sv);
3879 name = SvPV_nolen(what_sv);
3882 if (i_tags_get_string(&im->tags, name, code, buffer, sizeof(buffer))) {
3884 PUSHs(sv_2mortal(newSVpv(buffer, 0)));
3891 RETVAL = im->tags.count;
3897 MODULE = Imager PACKAGE = Imager::FillHandle PREFIX=IFILL_
3901 Imager::FillHandle fill
3904 IFILL_CLONE_SKIP(...)
3906 (void)items; /* avoid unused warning for XS variable */
3911 MODULE = Imager PACKAGE = Imager
3914 i_new_fill_solid(cl, combine)
3919 i_new_fill_solidf(cl, combine)
3920 Imager::Color::Float cl
3924 i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy)
3932 unsigned char *cust_hatch;
3936 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3940 RETVAL = i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy);
3945 i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy)
3946 Imager::Color::Float fg
3947 Imager::Color::Float bg
3953 unsigned char *cust_hatch;
3957 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3961 RETVAL = i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy);
3966 i_new_fill_image(src, matrix, xoff, yoff, combine)
3983 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
3984 croak("i_new_fill_image: parameter must be an arrayref");
3985 av=(AV*)SvRV(ST(1));
3989 for (i = 0; i < len; ++i) {
3990 sv1=(*(av_fetch(av,i,0)));
3991 matrix[i] = SvNV(sv1);
3997 RETVAL = i_new_fill_image(src, matrixp, xoff, yoff, combine);
4001 MODULE = Imager PACKAGE = Imager::Internal::Hlines PREFIX=i_int_hlines_
4003 # this class is only exposed for testing
4006 i_int_hlines_testing()
4008 #if i_int_hlines_testing()
4010 Imager::Internal::Hlines
4011 i_int_hlines_new(start_y, count_y, start_x, count_x)
4017 Imager::Internal::Hlines
4018 i_int_hlines_new_img(im)
4022 i_int_hlines_add(hlines, y, minx, width)
4023 Imager::Internal::Hlines hlines
4029 i_int_hlines_DESTROY(hlines)
4030 Imager::Internal::Hlines hlines
4033 i_int_hlines_dump(hlines)
4034 Imager::Internal::Hlines hlines
4037 i_int_hlines_CLONE_SKIP(cls)
4041 MODULE = Imager PACKAGE = Imager::Context PREFIX=im_context_
4044 im_context_DESTROY(ctx)
4047 #ifdef PERL_IMPLICIT_CONTEXT
4050 im_context_CLONE(...)
4054 /* the following sv_setref_pv() will free this inc */
4055 im_context_refinc(MY_CXT.ctx, "CLONE");
4056 MY_CXT.ctx = im_context_clone(MY_CXT.ctx, "CLONE");
4057 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
4062 PERL_SET_GLOBAL_CALLBACKS;
4063 PERL_PL_SET_GLOBAL_CALLBACKS;
4064 #ifdef PERL_IMPLICIT_CONTEXT
4070 start_context(aTHX);
4071 im_get_context = perl_get_context;