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);
2108 unsigned int mask = 0;
2114 unsigned char (*maps)[256];
2116 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
2117 croak("i_map: parameter 2 must be an arrayref\n");
2118 avmain = (AV*)SvRV(ST(1));
2119 len = av_len(avmain)+1;
2120 if (im->channels < len) len = im->channels;
2122 maps = mymalloc( len * sizeof(unsigned char [256]) );
2124 for (j=0; j<len ; j++) {
2125 temp = av_fetch(avmain, j, 0);
2126 if (temp && SvROK(*temp) && (SvTYPE(SvRV(*temp)) == SVt_PVAV) ) {
2127 avsub = (AV*)SvRV(*temp);
2128 if(av_len(avsub) != 255) continue;
2130 for (i=0; i<256 ; i++) {
2132 temp = av_fetch(avsub, i, 0);
2133 val = temp ? SvIV(*temp) : 0;
2135 if (val>255) val = 255;
2140 i_map(im, maps, mask);
2154 i_img_diffd(im1,im2)
2159 i_img_samef(im1, im2, epsilon = i_img_epsilonf(), what=NULL)
2169 _is_color_object(sv)
2173 RETVAL = SvOK(sv) && SvROK(sv) &&
2174 (sv_derived_from(sv, "Imager::Color")
2175 || sv_derived_from(sv, "Imager::Color::Float"));
2187 MODULE = Imager PACKAGE = Imager::Font::TT PREFIX=TT_
2189 #define TT_DESTROY(handle) i_tt_destroy(handle)
2193 Imager::Font::TT handle
2198 (void)items; /* avoid unused warning */
2204 MODULE = Imager PACKAGE = Imager
2208 i_tt_text(handle,im,xb,yb,cl,points,str_sv,smooth,utf8,align=1)
2209 Imager::Font::TT handle
2223 str = SvPV(str_sv, len);
2228 RETVAL = i_tt_text(handle, im, xb, yb, cl, points, str,
2229 len, smooth, utf8, align);
2235 i_tt_cp(handle,im,xb,yb,channel,points,str_sv,smooth,utf8,align=1)
2236 Imager::Font::TT handle
2250 str = SvPV(str_sv, len);
2255 RETVAL = i_tt_cp(handle, im, xb, yb, channel, points, str, len,
2256 smooth, utf8, align);
2262 i_tt_bbox(handle,point,str_sv,utf8)
2263 Imager::Font::TT handle
2268 i_img_dim cords[BOUNDING_BOX_COUNT];
2274 str = SvPV(str_sv, len);
2279 if ((rc=i_tt_bbox(handle,point,str,len,cords, utf8))) {
2281 for (i = 0; i < rc; ++i) {
2282 PUSHs(sv_2mortal(newSViv(cords[i])));
2287 i_tt_has_chars(handle, text_sv, utf8)
2288 Imager::Font::TT handle
2299 text = SvPV(text_sv, len);
2301 if (SvUTF8(text_sv))
2304 work = mymalloc(len);
2305 count = i_tt_has_chars(handle, text, len, utf8, work);
2306 if (GIMME_V == G_ARRAY) {
2308 for (i = 0; i < count; ++i) {
2309 PUSHs(boolSV(work[i]));
2314 PUSHs(sv_2mortal(newSVpv(work, count)));
2319 i_tt_dump_names(handle)
2320 Imager::Font::TT handle
2323 i_tt_face_name(handle)
2324 Imager::Font::TT handle
2329 len = i_tt_face_name(handle, name, sizeof(name));
2332 PUSHs(sv_2mortal(newSVpv(name, len-1)));
2336 i_tt_glyph_name(handle, text_sv, utf8 = 0)
2337 Imager::Font::TT handle
2349 text = SvPV(text_sv, work_len);
2351 if (SvUTF8(text_sv))
2358 ch = i_utf8_advance(&text, &len);
2360 i_push_error(0, "invalid UTF8 character");
2368 EXTEND(SP, count+1);
2369 if ((outsize = i_tt_glyph_name(handle, ch, name, sizeof(name))) != 0) {
2370 ST(count) = sv_2mortal(newSVpv(name, 0));
2373 ST(count) = &PL_sv_undef;
2382 i_test_format_probe(ig, length)
2387 i_readpnm_wiol(ig, allow_incomplete)
2389 int allow_incomplete
2393 i_readpnm_multi_wiol(ig, allow_incomplete)
2395 int allow_incomplete
2401 imgs = i_readpnm_multi_wiol(ig, &count, allow_incomplete);
2404 for (i = 0; i < count; ++i) {
2405 SV *sv = sv_newmortal();
2406 sv_setref_pv(sv, "Imager::ImgRaw", (void *)imgs[i]);
2413 i_writeppm_wiol(im, ig)
2422 i_readraw_wiol(ig,x,y,datachannels,storechannels,intrl)
2431 i_writeraw_wiol(im,ig)
2436 i_writebmp_wiol(im,ig)
2441 i_readbmp_wiol(ig, allow_incomplete=0)
2443 int allow_incomplete
2447 i_writetga_wiol(im,ig, wierdpack, compress, idstring)
2456 idlen = SvCUR(ST(4));
2457 RETVAL = i_writetga_wiol(im, ig, wierdpack, compress, idstring, idlen);
2463 i_readtga_wiol(ig, length)
2471 i_scaleaxis(im,Value,Axis)
2477 i_scale_nn(im,scx,scy)
2483 i_scale_mixing(im, width, height)
2493 i_count_colors(im,maxc)
2498 i_get_anonymous_color_histo(im, maxc = 0x40000000)
2503 unsigned int * col_usage = NULL;
2506 col_cnt = i_get_anonymous_color_histo(im, &col_usage, maxc);
2507 EXTEND(SP, col_cnt);
2508 for (i = 0; i < col_cnt; i++) {
2509 PUSHs(sv_2mortal(newSViv( col_usage[i])));
2516 i_transform(im,opx,opy,parm)
2530 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
2531 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to an array\n");
2532 if (!SvROK(ST(3))) croak("Imager: Parameter 3 must be a reference to an array\n");
2533 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
2534 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 must be a reference to an array\n");
2535 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 3 must be a reference to an array\n");
2536 av=(AV*)SvRV(ST(1));
2538 opx=mymalloc( opxl*sizeof(int) );
2539 for(i=0;i<opxl;i++) {
2540 sv1=(*(av_fetch(av,i,0)));
2541 opx[i]=(int)SvIV(sv1);
2543 av=(AV*)SvRV(ST(2));
2545 opy=mymalloc( opyl*sizeof(int) );
2546 for(i=0;i<opyl;i++) {
2547 sv1=(*(av_fetch(av,i,0)));
2548 opy[i]=(int)SvIV(sv1);
2550 av=(AV*)SvRV(ST(3));
2551 parmlen=av_len(av)+1;
2552 parm=mymalloc( parmlen*sizeof(double) );
2553 for(i=0;i<parmlen;i++) { /* FIXME: Bug? */
2554 sv1=(*(av_fetch(av,i,0)));
2555 parm[i]=(double)SvNV(sv1);
2557 result=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
2562 SV *result_sv = sv_newmortal();
2564 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2569 i_transform2(sv_width,sv_height,channels,sv_ops,av_n_regs,av_c_regs,av_in_imgs)
2595 in_imgs_count = av_len(av_in_imgs)+1;
2596 for (i = 0; i < in_imgs_count; ++i) {
2597 sv1 = *av_fetch(av_in_imgs, i, 0);
2598 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2599 croak("sv_in_img must contain only images");
2602 if (in_imgs_count > 0) {
2603 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
2604 for (i = 0; i < in_imgs_count; ++i) {
2605 sv1 = *av_fetch(av_in_imgs,i,0);
2606 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2607 croak("Parameter 5 must contain only images");
2609 tmp = SvIV((SV*)SvRV(sv1));
2610 in_imgs[i] = INT2PTR(i_img*, tmp);
2614 /* no input images */
2617 /* default the output size from the first input if possible */
2619 width = SvIV(sv_width);
2620 else if (in_imgs_count)
2621 width = in_imgs[0]->xsize;
2623 croak("No output image width supplied");
2625 if (SvOK(sv_height))
2626 height = SvIV(sv_height);
2627 else if (in_imgs_count)
2628 height = in_imgs[0]->ysize;
2630 croak("No output image height supplied");
2632 ops = (struct rm_op *)SvPV(sv_ops, ops_len);
2633 if (ops_len % sizeof(struct rm_op))
2634 croak("Imager: Parameter 3 must be a bitmap of regops\n");
2635 ops_count = ops_len / sizeof(struct rm_op);
2637 n_regs_count = av_len(av_n_regs)+1;
2638 n_regs = mymalloc(n_regs_count * sizeof(double));
2639 for (i = 0; i < n_regs_count; ++i) {
2640 sv1 = *av_fetch(av_n_regs,i,0);
2642 n_regs[i] = SvNV(sv1);
2644 c_regs_count = av_len(av_c_regs)+1;
2645 c_regs = mymalloc(c_regs_count * sizeof(i_color));
2646 /* I don't bother initializing the colou?r registers */
2648 result=i_transform2(width, height, channels, ops, ops_count,
2649 n_regs, n_regs_count,
2650 c_regs, c_regs_count, in_imgs, in_imgs_count);
2656 SV *result_sv = sv_newmortal();
2658 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2664 i_contrast(im,intensity)
2677 i_noise(im,amount,type)
2683 i_bumpmap(im,bump,channel,light_x,light_y,strength)
2693 i_bumpmap_complex(im,bump,channel,tx,ty,Lx,Ly,Lz,cd,cs,n,Ia,Il,Is)
2712 i_postlevels(im,levels)
2722 i_watermark(im,wmark,tx,ty,pixdiff)
2724 Imager::ImgRaw wmark
2731 i_autolevels(im,lsat,usat,skew)
2738 i_radnoise(im,xo,yo,rscale,ascale)
2746 i_turbnoise(im, xo, yo, scale)
2769 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
2770 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2771 croak("i_gradgen: Second argument must be an array ref");
2772 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2773 croak("i_gradgen: Third argument must be an array ref");
2774 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2775 croak("i_gradgen: Fourth argument must be an array ref");
2776 axx = (AV *)SvRV(ST(1));
2777 ayy = (AV *)SvRV(ST(2));
2778 ac = (AV *)SvRV(ST(3));
2779 dmeasure = (int)SvIV(ST(4));
2781 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2782 num = num <= av_len(ac) ? num : av_len(ac);
2784 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
2785 xo = mymalloc( sizeof(i_img_dim) * num );
2786 yo = mymalloc( sizeof(i_img_dim) * num );
2787 ival = mymalloc( sizeof(i_color) * num );
2788 for(i = 0; i<num; i++) {
2789 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2790 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2791 sv = *av_fetch(ac, i, 0);
2792 if ( !sv_derived_from(sv, "Imager::Color") ) {
2793 free(axx); free(ayy); free(ac);
2794 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
2796 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2798 i_gradgen(im, num, xo, yo, ival, dmeasure);
2804 i_diff_image(im, im2, mindist=0)
2810 i_fountain(im, xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2820 double ssample_param
2824 i_fountain_seg *segs;
2826 if (!SvROK(ST(10)) || ! SvTYPE(SvRV(ST(10))))
2827 croak("i_fountain: argument 11 must be an array ref");
2829 asegs = (AV *)SvRV(ST(10));
2830 segs = load_fount_segs(aTHX_ asegs, &count);
2831 RETVAL = i_fountain(im, xa, ya, xb, yb, type, repeat, combine,
2832 super_sample, ssample_param, count, segs);
2838 i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2847 double ssample_param
2851 i_fountain_seg *segs;
2853 if (!SvROK(ST(9)) || ! SvTYPE(SvRV(ST(9))))
2854 croak("i_fountain: argument 11 must be an array ref");
2856 asegs = (AV *)SvRV(ST(9));
2857 segs = load_fount_segs(aTHX_ asegs, &count);
2858 RETVAL = i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine,
2859 super_sample, ssample_param, count, segs);
2865 i_new_fill_opacity(other_fill, alpha_mult)
2866 Imager::FillHandle other_fill
2877 errors = i_errors();
2879 while (errors[i].msg) {
2881 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
2882 if (!av_store(av, 0, sv)) {
2885 sv = newSViv(errors[i].code);
2886 if (!av_store(av, 1, sv)) {
2889 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
2897 i_push_error(code, msg)
2902 i_nearest_color(im, ...)
2917 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
2918 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2919 croak("i_nearest_color: Second argument must be an array ref");
2920 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2921 croak("i_nearest_color: Third argument must be an array ref");
2922 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2923 croak("i_nearest_color: Fourth argument must be an array ref");
2924 axx = (AV *)SvRV(ST(1));
2925 ayy = (AV *)SvRV(ST(2));
2926 ac = (AV *)SvRV(ST(3));
2927 dmeasure = (int)SvIV(ST(4));
2929 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2930 num = num <= av_len(ac) ? num : av_len(ac);
2932 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
2933 xo = mymalloc( sizeof(i_img_dim) * num );
2934 yo = mymalloc( sizeof(i_img_dim) * num );
2935 ival = mymalloc( sizeof(i_color) * num );
2936 for(i = 0; i<num; i++) {
2937 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2938 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2939 sv = *av_fetch(ac, i, 0);
2940 if ( !sv_derived_from(sv, "Imager::Color") ) {
2941 free(axx); free(ayy); free(ac);
2942 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
2944 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2946 RETVAL = i_nearest_color(im, num, xo, yo, ival, dmeasure);
2960 rc=DSO_open(filename,&evstr);
2964 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2965 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
2968 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2974 DSO_close(dso_handle)
2978 DSO_funclist(dso_handle_v)
2982 DSO_handle *dso_handle;
2983 func_ptr *functions;
2985 dso_handle=(DSO_handle*)dso_handle_v;
2986 functions = DSO_funclist(dso_handle);
2988 while( functions[i].name != NULL) {
2990 PUSHs(sv_2mortal(newSVpv(functions[i].name,0)));
2992 PUSHs(sv_2mortal(newSVpv(functions[i++].pcode,0)));
2996 DSO_call(handle,func_index,hv)
3002 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
3003 hv=(HV*)SvRV(ST(2));
3004 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
3005 DSO_call( (DSO_handle *)handle,func_index,hv);
3008 i_get_pixel(im, x, y)
3015 color = (i_color *)mymalloc(sizeof(i_color));
3016 if (i_gpix(im, x, y, color) == 0) {
3017 RETVAL = NEWSV(0, 0);
3018 sv_setref_pv(RETVAL, "Imager::Color", (void *)color);
3022 RETVAL = &PL_sv_undef;
3029 i_ppix(im, x, y, cl)
3036 i_img_pal_new(x, y, channels, maxpal)
3043 i_img_to_pal(src, quant)
3049 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
3050 croak("i_img_to_pal: second argument must be a hash ref");
3051 hv = (HV *)SvRV(ST(1));
3052 memset(&quant, 0, sizeof(quant));
3054 quant.mc_size = 256;
3055 ip_handle_quant_opts(aTHX_ &quant, hv);
3056 RETVAL = i_img_to_pal(src, &quant);
3058 ip_copy_colors_back(aTHX_ hv, &quant);
3060 ip_cleanup_quant_opts(aTHX_ &quant);
3069 i_img_make_palette(HV *quant_hv, ...)
3071 size_t count = items - 1;
3073 i_img **imgs = NULL;
3077 croak("Please supply at least one image (%d)", (int)count);
3078 imgs = mymalloc(sizeof(i_img *) * count);
3079 for (i = 0; i < count; ++i) {
3080 SV *img_sv = ST(i + 1);
3081 if (SvROK(img_sv) && sv_derived_from(img_sv, "Imager::ImgRaw")) {
3082 imgs[i] = INT2PTR(i_img *, SvIV((SV*)SvRV(img_sv)));
3086 croak("Image %d is not an image object", (int)i+1);
3089 memset(&quant, 0, sizeof(quant));
3091 quant.mc_size = 256;
3092 ip_handle_quant_opts(aTHX_ &quant, quant_hv);
3093 i_quant_makemap(&quant, imgs, count);
3094 EXTEND(SP, quant.mc_count);
3095 for (i = 0; i < quant.mc_count; ++i) {
3096 SV *sv_c = make_i_color_sv(aTHX_ quant.mc_colors + i);
3099 ip_cleanup_quant_opts(aTHX_ &quant);
3113 work = mymalloc((r-l) * sizeof(i_palidx));
3114 count = i_gpal(im, l, r, y, work);
3115 if (GIMME_V == G_ARRAY) {
3117 for (i = 0; i < count; ++i) {
3118 PUSHs(sv_2mortal(newSViv(work[i])));
3123 PUSHs(sv_2mortal(newSVpv((char *)work, count * sizeof(i_palidx))));
3128 if (GIMME_V != G_ARRAY) {
3130 PUSHs(&PL_sv_undef);
3135 i_ppal(im, l, y, ...)
3144 work = malloc_temp(aTHX_ sizeof(i_palidx) * (items-3));
3145 for (i=0; i < items-3; ++i) {
3146 work[i] = SvIV(ST(i+3));
3148 validate_i_ppal(im, work, items - 3);
3149 RETVAL = i_ppal(im, l, l+items-3, y, work);
3158 i_ppal_p(im, l, y, data)
3164 i_palidx const *work;
3167 work = (i_palidx const *)SvPV(data, len);
3168 len /= sizeof(i_palidx);
3170 validate_i_ppal(im, work, len);
3171 RETVAL = i_ppal(im, l, l+len, y, work);
3180 i_addcolors(im, ...)
3188 croak("i_addcolors: no colors to add");
3189 colors = mymalloc((items-1) * sizeof(i_color));
3190 for (i=0; i < items-1; ++i) {
3191 if (sv_isobject(ST(i+1))
3192 && sv_derived_from(ST(i+1), "Imager::Color")) {
3193 IV tmp = SvIV((SV *)SvRV(ST(i+1)));
3194 colors[i] = *INT2PTR(i_color *, tmp);
3198 croak("i_addcolor: pixels must be Imager::Color objects");
3201 index = i_addcolors(im, colors, items-1);
3204 RETVAL = newSVpv("0 but true", 0);
3206 else if (index == -1) {
3207 RETVAL = &PL_sv_undef;
3210 RETVAL = newSViv(index);
3216 i_setcolors(im, index, ...)
3224 croak("i_setcolors: no colors to add");
3225 colors = mymalloc((items-2) * sizeof(i_color));
3226 for (i=0; i < items-2; ++i) {
3227 if (sv_isobject(ST(i+2))
3228 && sv_derived_from(ST(i+2), "Imager::Color")) {
3229 IV tmp = SvIV((SV *)SvRV(ST(i+2)));
3230 colors[i] = *INT2PTR(i_color *, tmp);
3234 croak("i_setcolors: pixels must be Imager::Color objects");
3237 RETVAL = i_setcolors(im, index, colors, items-2);
3243 i_getcolors(im, index, ...)
3252 croak("i_getcolors: too many arguments");
3254 count = SvIV(ST(2));
3256 croak("i_getcolors: count must be positive");
3257 colors = mymalloc(sizeof(i_color) * count);
3258 if (i_getcolors(im, index, colors, count)) {
3259 for (i = 0; i < count; ++i) {
3260 SV *sv = make_i_color_sv(aTHX_ colors+i);
3276 i_findcolor(im, color)
3282 if (i_findcolor(im, color, &index)) {
3283 RETVAL = newSViv(index);
3286 RETVAL = &PL_sv_undef;
3304 i_gsamp(im, l, r, y, channels)
3309 i_channel_list channels
3315 data = mymalloc(sizeof(i_sample_t) * (r-l) * channels.count); /* XXX: memleak? */
3316 count = i_gsamp(im, l, r, y, data, channels.channels, channels.count);
3317 if (GIMME_V == G_ARRAY) {
3319 for (i = 0; i < count; ++i)
3320 PUSHs(sv_2mortal(newSViv(data[i])));
3324 PUSHs(sv_2mortal(newSVpv((char *)data, count * sizeof(i_sample_t))));
3329 if (GIMME_V != G_ARRAY) {
3331 PUSHs(&PL_sv_undef);
3336 i_gsamp_bits(im, l, r, y, bits, target, offset, channels)
3344 i_channel_list channels
3351 croak("No channel numbers supplied to g_samp()");
3353 data = mymalloc(sizeof(unsigned) * (r-l) * channels.count);
3354 count = i_gsamp_bits(im, l, r, y, data, channels.channels, channels.count, bits);
3355 for (i = 0; i < count; ++i) {
3356 av_store(target, i+offset, newSVuv(data[i]));
3368 i_psamp_bits(im, l, y, bits, channels, data_av, data_offset = 0, pixel_count = -1)
3373 i_channel_list channels
3375 i_img_dim data_offset
3376 i_img_dim pixel_count
3385 data_count = av_len(data_av) + 1;
3386 if (data_offset < 0) {
3387 croak("data_offset must be non-negative");
3389 if (data_offset > data_count) {
3390 croak("data_offset greater than number of samples supplied");
3392 if (pixel_count == -1 ||
3393 data_offset + pixel_count * channels.count > data_count) {
3394 pixel_count = (data_count - data_offset) / channels.count;
3397 data_used = pixel_count * channels.count;
3398 data = mymalloc(sizeof(unsigned) * data_count);
3399 for (i = 0; i < data_used; ++i)
3400 data[i] = SvUV(*av_fetch(data_av, data_offset + i, 0));
3402 RETVAL = i_psamp_bits(im, l, l + pixel_count, y, data, channels.channels,
3403 channels.count, bits);
3411 i_psamp(im, x, y, channels, data, offset = 0, width = -1)
3415 i_channel_list channels
3424 i_push_error(0, "offset must be non-negative");
3428 if (offset > data.count) {
3429 i_push_error(0, "offset greater than number of samples supplied");
3432 data.samples += offset;
3433 data.count -= offset;
3436 width * channels.count > data.count) {
3437 width = data.count / channels.count;
3440 RETVAL = i_psamp(im, x, r, y, data.samples, channels.channels, channels.count);
3445 i_psampf(im, x, y, channels, data, offset = 0, width = -1)
3449 i_channel_list channels
3458 i_push_error(0, "offset must be non-negative");
3462 if (offset > data.count) {
3463 i_push_error(0, "offset greater than number of samples supplied");
3466 data.samples += offset;
3467 data.count -= offset;
3470 width * channels.count > data.count) {
3471 width = data.count / channels.count;
3474 RETVAL = i_psampf(im, x, r, y, data.samples, channels.channels, channels.count);
3479 i_img_masked_new(targ, mask, x, y, w, h)
3489 if (!sv_isobject(ST(1))
3490 || !sv_derived_from(ST(1), "Imager::ImgRaw")) {
3491 croak("i_img_masked_new: parameter 2 must undef or an image");
3493 mask = INT2PTR(i_img *, SvIV((SV *)SvRV(ST(1))));
3497 RETVAL = i_img_masked_new(targ, mask, x, y, w, h);
3502 i_plin(im, l, y, ...)
3513 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3514 /* supplied as a byte string */
3515 work = (i_color *)SvPV(ST(3), len);
3516 count = len / sizeof(i_color);
3517 if (count * sizeof(i_color) != len) {
3518 croak("i_plin: length of scalar argument must be multiple of sizeof i_color");
3520 RETVAL = i_plin(im, l, l+count, y, work);
3523 work = mymalloc(sizeof(i_color) * (items-3));
3524 for (i=0; i < items-3; ++i) {
3525 if (sv_isobject(ST(i+3))
3526 && sv_derived_from(ST(i+3), "Imager::Color")) {
3527 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3528 work[i] = *INT2PTR(i_color *, tmp);
3532 croak("i_plin: pixels must be Imager::Color objects");
3535 RETVAL = i_plin(im, l, l+items-3, y, work);
3546 i_ppixf(im, x, y, cl)
3550 Imager::Color::Float cl
3553 i_gsampf(im, l, r, y, channels)
3558 i_channel_list channels
3564 data = mymalloc(sizeof(i_fsample_t) * (r-l) * channels.count);
3565 count = i_gsampf(im, l, r, y, data, channels.channels, channels.count);
3566 if (GIMME_V == G_ARRAY) {
3568 for (i = 0; i < count; ++i)
3569 PUSHs(sv_2mortal(newSVnv(data[i])));
3573 PUSHs(sv_2mortal(newSVpv((void *)data, count * sizeof(i_fsample_t))));
3578 if (GIMME_V != G_ARRAY) {
3580 PUSHs(&PL_sv_undef);
3585 i_plinf(im, l, y, ...)
3596 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3597 /* supplied as a byte string */
3598 work = (i_fcolor *)SvPV(ST(3), len);
3599 count = len / sizeof(i_fcolor);
3600 if (count * sizeof(i_fcolor) != len) {
3601 croak("i_plin: length of scalar argument must be multiple of sizeof i_fcolor");
3603 RETVAL = i_plinf(im, l, l+count, y, work);
3606 work = mymalloc(sizeof(i_fcolor) * (items-3));
3607 for (i=0; i < items-3; ++i) {
3608 if (sv_isobject(ST(i+3))
3609 && sv_derived_from(ST(i+3), "Imager::Color::Float")) {
3610 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3611 work[i] = *INT2PTR(i_fcolor *, tmp);
3615 croak("i_plinf: pixels must be Imager::Color::Float objects");
3619 RETVAL = i_plinf(im, l, l+items-3, y, work);
3637 color = (i_fcolor *)mymalloc(sizeof(i_fcolor));
3638 if (i_gpixf(im, x, y, color) == 0) {
3639 RETVAL = NEWSV(0,0);
3640 sv_setref_pv(RETVAL, "Imager::Color::Float", (void *)color);
3644 RETVAL = &PL_sv_undef;
3660 vals = mymalloc((r-l) * sizeof(i_color));
3661 memset(vals, 0, (r-l) * sizeof(i_color));
3662 count = i_glin(im, l, r, y, vals);
3663 if (GIMME_V == G_ARRAY) {
3665 for (i = 0; i < count; ++i) {
3666 SV *sv = make_i_color_sv(aTHX_ vals+i);
3672 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_color))));
3678 i_glinf(im, l, r, y)
3688 for (i = 0; i < MAXCHANNELS; ++i)
3689 zero.channel[i] = 0;
3691 vals = mymalloc((r-l) * sizeof(i_fcolor));
3692 for (i = 0; i < r-l; ++i)
3694 count = i_glinf(im, l, r, y, vals);
3695 if (GIMME_V == G_ARRAY) {
3697 for (i = 0; i < count; ++i) {
3699 i_fcolor *col = mymalloc(sizeof(i_fcolor));
3701 sv = sv_newmortal();
3702 sv_setref_pv(sv, "Imager::Color::Float", (void *)col);
3708 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_fcolor))));
3714 i_img_8_new(x, y, ch)
3720 i_img_16_new(x, y, ch)
3730 i_img_double_new(x, y, ch)
3740 i_tags_addn(im, name, code, idata)
3749 name = SvPV(ST(1), len);
3752 RETVAL = i_tags_addn(&im->tags, name, code, idata);
3757 i_tags_add(im, name, code, data, idata)
3767 name = SvPV(ST(1), len);
3771 data = SvPV(ST(3), len);
3776 RETVAL = i_tags_add(&im->tags, name, code, data, len, idata);
3781 i_tags_find(im, name, start)
3788 if (i_tags_find(&im->tags, name, start, &entry)) {
3790 RETVAL = newSVpv("0 but true", 0);
3792 RETVAL = newSViv(entry);
3794 RETVAL = &PL_sv_undef;
3800 i_tags_findn(im, code, start)
3807 if (i_tags_findn(&im->tags, code, start, &entry)) {
3809 RETVAL = newSVpv("0 but true", 0);
3811 RETVAL = newSViv(entry);
3814 RETVAL = &PL_sv_undef;
3820 i_tags_delete(im, entry)
3824 RETVAL = i_tags_delete(&im->tags, entry);
3829 i_tags_delbyname(im, name)
3833 RETVAL = i_tags_delbyname(&im->tags, name);
3838 i_tags_delbycode(im, code)
3842 RETVAL = i_tags_delbycode(&im->tags, code);
3847 i_tags_get(im, index)
3851 if (index >= 0 && index < im->tags.count) {
3852 i_img_tag *entry = im->tags.tags + index;
3856 PUSHs(sv_2mortal(newSVpv(entry->name, 0)));
3859 PUSHs(sv_2mortal(newSViv(entry->code)));
3862 PUSHs(sv_2mortal(newSVpvn(entry->data, entry->size)));
3865 PUSHs(sv_2mortal(newSViv(entry->idata)));
3870 i_tags_get_string(im, what_sv)
3874 char const *name = NULL;
3878 if (SvIOK(what_sv)) {
3879 code = SvIV(what_sv);
3883 name = SvPV_nolen(what_sv);
3886 if (i_tags_get_string(&im->tags, name, code, buffer, sizeof(buffer))) {
3888 PUSHs(sv_2mortal(newSVpv(buffer, 0)));
3895 RETVAL = im->tags.count;
3901 MODULE = Imager PACKAGE = Imager::FillHandle PREFIX=IFILL_
3905 Imager::FillHandle fill
3908 IFILL_CLONE_SKIP(...)
3910 (void)items; /* avoid unused warning for XS variable */
3915 MODULE = Imager PACKAGE = Imager
3918 i_new_fill_solid(cl, combine)
3923 i_new_fill_solidf(cl, combine)
3924 Imager::Color::Float cl
3928 i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy)
3936 unsigned char *cust_hatch;
3940 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3944 RETVAL = i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy);
3949 i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy)
3950 Imager::Color::Float fg
3951 Imager::Color::Float bg
3957 unsigned char *cust_hatch;
3961 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3965 RETVAL = i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy);
3970 i_new_fill_image(src, matrix, xoff, yoff, combine)
3987 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
3988 croak("i_new_fill_image: parameter must be an arrayref");
3989 av=(AV*)SvRV(ST(1));
3993 for (i = 0; i < len; ++i) {
3994 sv1=(*(av_fetch(av,i,0)));
3995 matrix[i] = SvNV(sv1);
4001 RETVAL = i_new_fill_image(src, matrixp, xoff, yoff, combine);
4005 MODULE = Imager PACKAGE = Imager::Internal::Hlines PREFIX=i_int_hlines_
4007 # this class is only exposed for testing
4010 i_int_hlines_testing()
4012 #if i_int_hlines_testing()
4014 Imager::Internal::Hlines
4015 i_int_hlines_new(start_y, count_y, start_x, count_x)
4021 Imager::Internal::Hlines
4022 i_int_hlines_new_img(im)
4026 i_int_hlines_add(hlines, y, minx, width)
4027 Imager::Internal::Hlines hlines
4033 i_int_hlines_DESTROY(hlines)
4034 Imager::Internal::Hlines hlines
4037 i_int_hlines_dump(hlines)
4038 Imager::Internal::Hlines hlines
4041 i_int_hlines_CLONE_SKIP(cls)
4045 MODULE = Imager PACKAGE = Imager::Context PREFIX=im_context_
4048 im_context_DESTROY(ctx)
4051 #ifdef PERL_IMPLICIT_CONTEXT
4054 im_context_CLONE(...)
4058 /* the following sv_setref_pv() will free this inc */
4059 im_context_refinc(MY_CXT.ctx, "CLONE");
4060 MY_CXT.ctx = im_context_clone(MY_CXT.ctx, "CLONE");
4061 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
4066 PERL_SET_GLOBAL_CALLBACKS;
4067 PERL_PL_SET_GLOBAL_CALLBACKS;
4068 #ifdef PERL_IMPLICIT_CONTEXT
4074 start_context(aTHX);
4075 im_get_context = perl_get_context;