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) len = im->channels;
2120 maps = mymalloc( len * sizeof(unsigned char [256]) );
2122 for (j=0; j<len ; j++) {
2123 temp = av_fetch(pmaps_av, j, 0);
2124 if (temp && SvROK(*temp) && (SvTYPE(SvRV(*temp)) == SVt_PVAV) ) {
2125 avsub = (AV*)SvRV(*temp);
2126 if(av_len(avsub) != 255) continue;
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);
2152 i_img_diffd(im1,im2)
2157 i_img_samef(im1, im2, epsilon = i_img_epsilonf(), what=NULL)
2167 _is_color_object(sv)
2171 RETVAL = SvOK(sv) && SvROK(sv) &&
2172 (sv_derived_from(sv, "Imager::Color")
2173 || sv_derived_from(sv, "Imager::Color::Float"));
2185 MODULE = Imager PACKAGE = Imager::Font::TT PREFIX=TT_
2187 #define TT_DESTROY(handle) i_tt_destroy(handle)
2191 Imager::Font::TT handle
2196 (void)items; /* avoid unused warning */
2202 MODULE = Imager PACKAGE = Imager
2206 i_tt_text(handle,im,xb,yb,cl,points,str_sv,smooth,utf8,align=1)
2207 Imager::Font::TT handle
2221 str = SvPV(str_sv, len);
2226 RETVAL = i_tt_text(handle, im, xb, yb, cl, points, str,
2227 len, smooth, utf8, align);
2233 i_tt_cp(handle,im,xb,yb,channel,points,str_sv,smooth,utf8,align=1)
2234 Imager::Font::TT handle
2248 str = SvPV(str_sv, len);
2253 RETVAL = i_tt_cp(handle, im, xb, yb, channel, points, str, len,
2254 smooth, utf8, align);
2260 i_tt_bbox(handle,point,str_sv,utf8)
2261 Imager::Font::TT handle
2266 i_img_dim cords[BOUNDING_BOX_COUNT];
2272 str = SvPV(str_sv, len);
2277 if ((rc=i_tt_bbox(handle,point,str,len,cords, utf8))) {
2279 for (i = 0; i < rc; ++i) {
2280 PUSHs(sv_2mortal(newSViv(cords[i])));
2285 i_tt_has_chars(handle, text_sv, utf8)
2286 Imager::Font::TT handle
2297 text = SvPV(text_sv, len);
2299 if (SvUTF8(text_sv))
2302 work = mymalloc(len);
2303 count = i_tt_has_chars(handle, text, len, utf8, work);
2304 if (GIMME_V == G_ARRAY) {
2306 for (i = 0; i < count; ++i) {
2307 PUSHs(boolSV(work[i]));
2312 PUSHs(sv_2mortal(newSVpv(work, count)));
2317 i_tt_dump_names(handle)
2318 Imager::Font::TT handle
2321 i_tt_face_name(handle)
2322 Imager::Font::TT handle
2327 len = i_tt_face_name(handle, name, sizeof(name));
2330 PUSHs(sv_2mortal(newSVpv(name, len-1)));
2334 i_tt_glyph_name(handle, text_sv, utf8 = 0)
2335 Imager::Font::TT handle
2347 text = SvPV(text_sv, work_len);
2349 if (SvUTF8(text_sv))
2356 ch = i_utf8_advance(&text, &len);
2358 i_push_error(0, "invalid UTF8 character");
2366 EXTEND(SP, count+1);
2367 if ((outsize = i_tt_glyph_name(handle, ch, name, sizeof(name))) != 0) {
2368 ST(count) = sv_2mortal(newSVpv(name, 0));
2371 ST(count) = &PL_sv_undef;
2380 i_test_format_probe(ig, length)
2385 i_readpnm_wiol(ig, allow_incomplete)
2387 int allow_incomplete
2391 i_readpnm_multi_wiol(ig, allow_incomplete)
2393 int allow_incomplete
2399 imgs = i_readpnm_multi_wiol(ig, &count, allow_incomplete);
2402 for (i = 0; i < count; ++i) {
2403 SV *sv = sv_newmortal();
2404 sv_setref_pv(sv, "Imager::ImgRaw", (void *)imgs[i]);
2411 i_writeppm_wiol(im, ig)
2420 i_readraw_wiol(ig,x,y,datachannels,storechannels,intrl)
2429 i_writeraw_wiol(im,ig)
2434 i_writebmp_wiol(im,ig)
2439 i_readbmp_wiol(ig, allow_incomplete=0)
2441 int allow_incomplete
2445 i_writetga_wiol(im,ig, wierdpack, compress, idstring)
2454 idlen = SvCUR(ST(4));
2455 RETVAL = i_writetga_wiol(im, ig, wierdpack, compress, idstring, idlen);
2461 i_readtga_wiol(ig, length)
2469 i_scaleaxis(im,Value,Axis)
2475 i_scale_nn(im,scx,scy)
2481 i_scale_mixing(im, width, height)
2491 i_count_colors(im,maxc)
2496 i_get_anonymous_color_histo(im, maxc = 0x40000000)
2501 unsigned int * col_usage = NULL;
2504 col_cnt = i_get_anonymous_color_histo(im, &col_usage, maxc);
2505 EXTEND(SP, col_cnt);
2506 for (i = 0; i < col_cnt; i++) {
2507 PUSHs(sv_2mortal(newSViv( col_usage[i])));
2514 i_transform(im,opx,opy,parm)
2528 if (!SvROK(ST(1))) croak("Imager: Parameter 1 must be a reference to an array\n");
2529 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to an array\n");
2530 if (!SvROK(ST(3))) croak("Imager: Parameter 3 must be a reference to an array\n");
2531 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 must be a reference to an array\n");
2532 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 must be a reference to an array\n");
2533 if (SvTYPE(SvRV(ST(3))) != SVt_PVAV) croak("Imager: Parameter 3 must be a reference to an array\n");
2534 av=(AV*)SvRV(ST(1));
2536 opx=mymalloc( opxl*sizeof(int) );
2537 for(i=0;i<opxl;i++) {
2538 sv1=(*(av_fetch(av,i,0)));
2539 opx[i]=(int)SvIV(sv1);
2541 av=(AV*)SvRV(ST(2));
2543 opy=mymalloc( opyl*sizeof(int) );
2544 for(i=0;i<opyl;i++) {
2545 sv1=(*(av_fetch(av,i,0)));
2546 opy[i]=(int)SvIV(sv1);
2548 av=(AV*)SvRV(ST(3));
2549 parmlen=av_len(av)+1;
2550 parm=mymalloc( parmlen*sizeof(double) );
2551 for(i=0;i<parmlen;i++) { /* FIXME: Bug? */
2552 sv1=(*(av_fetch(av,i,0)));
2553 parm[i]=(double)SvNV(sv1);
2555 result=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
2560 SV *result_sv = sv_newmortal();
2562 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2567 i_transform2(sv_width,sv_height,channels,sv_ops,av_n_regs,av_c_regs,av_in_imgs)
2593 in_imgs_count = av_len(av_in_imgs)+1;
2594 for (i = 0; i < in_imgs_count; ++i) {
2595 sv1 = *av_fetch(av_in_imgs, i, 0);
2596 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2597 croak("sv_in_img must contain only images");
2600 if (in_imgs_count > 0) {
2601 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
2602 for (i = 0; i < in_imgs_count; ++i) {
2603 sv1 = *av_fetch(av_in_imgs,i,0);
2604 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2605 croak("Parameter 5 must contain only images");
2607 tmp = SvIV((SV*)SvRV(sv1));
2608 in_imgs[i] = INT2PTR(i_img*, tmp);
2612 /* no input images */
2615 /* default the output size from the first input if possible */
2617 width = SvIV(sv_width);
2618 else if (in_imgs_count)
2619 width = in_imgs[0]->xsize;
2621 croak("No output image width supplied");
2623 if (SvOK(sv_height))
2624 height = SvIV(sv_height);
2625 else if (in_imgs_count)
2626 height = in_imgs[0]->ysize;
2628 croak("No output image height supplied");
2630 ops = (struct rm_op *)SvPV(sv_ops, ops_len);
2631 if (ops_len % sizeof(struct rm_op))
2632 croak("Imager: Parameter 3 must be a bitmap of regops\n");
2633 ops_count = ops_len / sizeof(struct rm_op);
2635 n_regs_count = av_len(av_n_regs)+1;
2636 n_regs = mymalloc(n_regs_count * sizeof(double));
2637 for (i = 0; i < n_regs_count; ++i) {
2638 sv1 = *av_fetch(av_n_regs,i,0);
2640 n_regs[i] = SvNV(sv1);
2642 c_regs_count = av_len(av_c_regs)+1;
2643 c_regs = mymalloc(c_regs_count * sizeof(i_color));
2644 /* I don't bother initializing the colou?r registers */
2646 result=i_transform2(width, height, channels, ops, ops_count,
2647 n_regs, n_regs_count,
2648 c_regs, c_regs_count, in_imgs, in_imgs_count);
2654 SV *result_sv = sv_newmortal();
2656 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2662 i_contrast(im,intensity)
2675 i_noise(im,amount,type)
2681 i_bumpmap(im,bump,channel,light_x,light_y,strength)
2691 i_bumpmap_complex(im,bump,channel,tx,ty,Lx,Ly,Lz,cd,cs,n,Ia,Il,Is)
2710 i_postlevels(im,levels)
2720 i_watermark(im,wmark,tx,ty,pixdiff)
2722 Imager::ImgRaw wmark
2729 i_autolevels(im,lsat,usat,skew)
2736 i_radnoise(im,xo,yo,rscale,ascale)
2744 i_turbnoise(im, xo, yo, scale)
2767 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
2768 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2769 croak("i_gradgen: Second argument must be an array ref");
2770 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2771 croak("i_gradgen: Third argument must be an array ref");
2772 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2773 croak("i_gradgen: Fourth argument must be an array ref");
2774 axx = (AV *)SvRV(ST(1));
2775 ayy = (AV *)SvRV(ST(2));
2776 ac = (AV *)SvRV(ST(3));
2777 dmeasure = (int)SvIV(ST(4));
2779 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2780 num = num <= av_len(ac) ? num : av_len(ac);
2782 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
2783 xo = mymalloc( sizeof(i_img_dim) * num );
2784 yo = mymalloc( sizeof(i_img_dim) * num );
2785 ival = mymalloc( sizeof(i_color) * num );
2786 for(i = 0; i<num; i++) {
2787 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2788 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2789 sv = *av_fetch(ac, i, 0);
2790 if ( !sv_derived_from(sv, "Imager::Color") ) {
2791 free(axx); free(ayy); free(ac);
2792 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
2794 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2796 i_gradgen(im, num, xo, yo, ival, dmeasure);
2802 i_diff_image(im, im2, mindist=0)
2808 i_fountain(im, xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2818 double ssample_param
2822 i_fountain_seg *segs;
2824 if (!SvROK(ST(10)) || ! SvTYPE(SvRV(ST(10))))
2825 croak("i_fountain: argument 11 must be an array ref");
2827 asegs = (AV *)SvRV(ST(10));
2828 segs = load_fount_segs(aTHX_ asegs, &count);
2829 RETVAL = i_fountain(im, xa, ya, xb, yb, type, repeat, combine,
2830 super_sample, ssample_param, count, segs);
2836 i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2845 double ssample_param
2849 i_fountain_seg *segs;
2851 if (!SvROK(ST(9)) || ! SvTYPE(SvRV(ST(9))))
2852 croak("i_fountain: argument 11 must be an array ref");
2854 asegs = (AV *)SvRV(ST(9));
2855 segs = load_fount_segs(aTHX_ asegs, &count);
2856 RETVAL = i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine,
2857 super_sample, ssample_param, count, segs);
2863 i_new_fill_opacity(other_fill, alpha_mult)
2864 Imager::FillHandle other_fill
2875 errors = i_errors();
2877 while (errors[i].msg) {
2879 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
2880 if (!av_store(av, 0, sv)) {
2883 sv = newSViv(errors[i].code);
2884 if (!av_store(av, 1, sv)) {
2887 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
2895 i_push_error(code, msg)
2900 i_nearest_color(im, ...)
2915 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
2916 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2917 croak("i_nearest_color: Second argument must be an array ref");
2918 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2919 croak("i_nearest_color: Third argument must be an array ref");
2920 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2921 croak("i_nearest_color: Fourth argument must be an array ref");
2922 axx = (AV *)SvRV(ST(1));
2923 ayy = (AV *)SvRV(ST(2));
2924 ac = (AV *)SvRV(ST(3));
2925 dmeasure = (int)SvIV(ST(4));
2927 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2928 num = num <= av_len(ac) ? num : av_len(ac);
2930 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
2931 xo = mymalloc( sizeof(i_img_dim) * num );
2932 yo = mymalloc( sizeof(i_img_dim) * num );
2933 ival = mymalloc( sizeof(i_color) * num );
2934 for(i = 0; i<num; i++) {
2935 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2936 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2937 sv = *av_fetch(ac, i, 0);
2938 if ( !sv_derived_from(sv, "Imager::Color") ) {
2939 free(axx); free(ayy); free(ac);
2940 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
2942 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2944 RETVAL = i_nearest_color(im, num, xo, yo, ival, dmeasure);
2958 rc=DSO_open(filename,&evstr);
2962 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2963 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
2966 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2972 DSO_close(dso_handle)
2976 DSO_funclist(dso_handle_v)
2980 DSO_handle *dso_handle;
2981 func_ptr *functions;
2983 dso_handle=(DSO_handle*)dso_handle_v;
2984 functions = DSO_funclist(dso_handle);
2986 while( functions[i].name != NULL) {
2988 PUSHs(sv_2mortal(newSVpv(functions[i].name,0)));
2990 PUSHs(sv_2mortal(newSVpv(functions[i++].pcode,0)));
2994 DSO_call(handle,func_index,hv)
3000 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
3001 hv=(HV*)SvRV(ST(2));
3002 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
3003 DSO_call( (DSO_handle *)handle,func_index,hv);
3006 i_get_pixel(im, x, y)
3013 color = (i_color *)mymalloc(sizeof(i_color));
3014 if (i_gpix(im, x, y, color) == 0) {
3015 RETVAL = NEWSV(0, 0);
3016 sv_setref_pv(RETVAL, "Imager::Color", (void *)color);
3020 RETVAL = &PL_sv_undef;
3027 i_ppix(im, x, y, cl)
3034 i_img_pal_new(x, y, channels, maxpal)
3041 i_img_to_pal(src, quant)
3047 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
3048 croak("i_img_to_pal: second argument must be a hash ref");
3049 hv = (HV *)SvRV(ST(1));
3050 memset(&quant, 0, sizeof(quant));
3052 quant.mc_size = 256;
3053 ip_handle_quant_opts(aTHX_ &quant, hv);
3054 RETVAL = i_img_to_pal(src, &quant);
3056 ip_copy_colors_back(aTHX_ hv, &quant);
3058 ip_cleanup_quant_opts(aTHX_ &quant);
3067 i_img_make_palette(HV *quant_hv, ...)
3069 size_t count = items - 1;
3071 i_img **imgs = NULL;
3075 croak("Please supply at least one image (%d)", (int)count);
3076 imgs = mymalloc(sizeof(i_img *) * count);
3077 for (i = 0; i < count; ++i) {
3078 SV *img_sv = ST(i + 1);
3079 if (SvROK(img_sv) && sv_derived_from(img_sv, "Imager::ImgRaw")) {
3080 imgs[i] = INT2PTR(i_img *, SvIV((SV*)SvRV(img_sv)));
3084 croak("Image %d is not an image object", (int)i+1);
3087 memset(&quant, 0, sizeof(quant));
3089 quant.mc_size = 256;
3090 ip_handle_quant_opts(aTHX_ &quant, quant_hv);
3091 i_quant_makemap(&quant, imgs, count);
3092 EXTEND(SP, quant.mc_count);
3093 for (i = 0; i < quant.mc_count; ++i) {
3094 SV *sv_c = make_i_color_sv(aTHX_ quant.mc_colors + i);
3097 ip_cleanup_quant_opts(aTHX_ &quant);
3111 work = mymalloc((r-l) * sizeof(i_palidx));
3112 count = i_gpal(im, l, r, y, work);
3113 if (GIMME_V == G_ARRAY) {
3115 for (i = 0; i < count; ++i) {
3116 PUSHs(sv_2mortal(newSViv(work[i])));
3121 PUSHs(sv_2mortal(newSVpv((char *)work, count * sizeof(i_palidx))));
3126 if (GIMME_V != G_ARRAY) {
3128 PUSHs(&PL_sv_undef);
3133 i_ppal(im, l, y, ...)
3142 work = malloc_temp(aTHX_ sizeof(i_palidx) * (items-3));
3143 for (i=0; i < items-3; ++i) {
3144 work[i] = SvIV(ST(i+3));
3146 validate_i_ppal(im, work, items - 3);
3147 RETVAL = i_ppal(im, l, l+items-3, y, work);
3156 i_ppal_p(im, l, y, data)
3162 i_palidx const *work;
3165 work = (i_palidx const *)SvPV(data, len);
3166 len /= sizeof(i_palidx);
3168 validate_i_ppal(im, work, len);
3169 RETVAL = i_ppal(im, l, l+len, y, work);
3178 i_addcolors(im, ...)
3186 croak("i_addcolors: no colors to add");
3187 colors = mymalloc((items-1) * sizeof(i_color));
3188 for (i=0; i < items-1; ++i) {
3189 if (sv_isobject(ST(i+1))
3190 && sv_derived_from(ST(i+1), "Imager::Color")) {
3191 IV tmp = SvIV((SV *)SvRV(ST(i+1)));
3192 colors[i] = *INT2PTR(i_color *, tmp);
3196 croak("i_addcolor: pixels must be Imager::Color objects");
3199 index = i_addcolors(im, colors, items-1);
3202 RETVAL = newSVpv("0 but true", 0);
3204 else if (index == -1) {
3205 RETVAL = &PL_sv_undef;
3208 RETVAL = newSViv(index);
3214 i_setcolors(im, index, ...)
3222 croak("i_setcolors: no colors to add");
3223 colors = mymalloc((items-2) * sizeof(i_color));
3224 for (i=0; i < items-2; ++i) {
3225 if (sv_isobject(ST(i+2))
3226 && sv_derived_from(ST(i+2), "Imager::Color")) {
3227 IV tmp = SvIV((SV *)SvRV(ST(i+2)));
3228 colors[i] = *INT2PTR(i_color *, tmp);
3232 croak("i_setcolors: pixels must be Imager::Color objects");
3235 RETVAL = i_setcolors(im, index, colors, items-2);
3241 i_getcolors(im, index, ...)
3250 croak("i_getcolors: too many arguments");
3252 count = SvIV(ST(2));
3254 croak("i_getcolors: count must be positive");
3255 colors = mymalloc(sizeof(i_color) * count);
3256 if (i_getcolors(im, index, colors, count)) {
3257 for (i = 0; i < count; ++i) {
3258 SV *sv = make_i_color_sv(aTHX_ colors+i);
3274 i_findcolor(im, color)
3280 if (i_findcolor(im, color, &index)) {
3281 RETVAL = newSViv(index);
3284 RETVAL = &PL_sv_undef;
3302 i_gsamp(im, l, r, y, channels)
3307 i_channel_list channels
3313 data = mymalloc(sizeof(i_sample_t) * (r-l) * channels.count); /* XXX: memleak? */
3314 count = i_gsamp(im, l, r, y, data, channels.channels, channels.count);
3315 if (GIMME_V == G_ARRAY) {
3317 for (i = 0; i < count; ++i)
3318 PUSHs(sv_2mortal(newSViv(data[i])));
3322 PUSHs(sv_2mortal(newSVpv((char *)data, count * sizeof(i_sample_t))));
3327 if (GIMME_V != G_ARRAY) {
3329 PUSHs(&PL_sv_undef);
3334 i_gsamp_bits(im, l, r, y, bits, target, offset, channels)
3342 i_channel_list channels
3349 croak("No channel numbers supplied to g_samp()");
3351 data = mymalloc(sizeof(unsigned) * (r-l) * channels.count);
3352 count = i_gsamp_bits(im, l, r, y, data, channels.channels, channels.count, bits);
3353 for (i = 0; i < count; ++i) {
3354 av_store(target, i+offset, newSVuv(data[i]));
3366 i_psamp_bits(im, l, y, bits, channels, data_av, data_offset = 0, pixel_count = -1)
3371 i_channel_list channels
3373 i_img_dim data_offset
3374 i_img_dim pixel_count
3383 data_count = av_len(data_av) + 1;
3384 if (data_offset < 0) {
3385 croak("data_offset must be non-negative");
3387 if (data_offset > data_count) {
3388 croak("data_offset greater than number of samples supplied");
3390 if (pixel_count == -1 ||
3391 data_offset + pixel_count * channels.count > data_count) {
3392 pixel_count = (data_count - data_offset) / channels.count;
3395 data_used = pixel_count * channels.count;
3396 data = mymalloc(sizeof(unsigned) * data_count);
3397 for (i = 0; i < data_used; ++i)
3398 data[i] = SvUV(*av_fetch(data_av, data_offset + i, 0));
3400 RETVAL = i_psamp_bits(im, l, l + pixel_count, y, data, channels.channels,
3401 channels.count, bits);
3409 i_psamp(im, x, y, channels, data, offset = 0, width = -1)
3413 i_channel_list channels
3422 i_push_error(0, "offset must be non-negative");
3426 if (offset > data.count) {
3427 i_push_error(0, "offset greater than number of samples supplied");
3430 data.samples += offset;
3431 data.count -= offset;
3434 width * channels.count > data.count) {
3435 width = data.count / channels.count;
3438 RETVAL = i_psamp(im, x, r, y, data.samples, channels.channels, channels.count);
3443 i_psampf(im, x, y, channels, data, offset = 0, width = -1)
3447 i_channel_list channels
3456 i_push_error(0, "offset must be non-negative");
3460 if (offset > data.count) {
3461 i_push_error(0, "offset greater than number of samples supplied");
3464 data.samples += offset;
3465 data.count -= offset;
3468 width * channels.count > data.count) {
3469 width = data.count / channels.count;
3472 RETVAL = i_psampf(im, x, r, y, data.samples, channels.channels, channels.count);
3477 i_img_masked_new(targ, mask, x, y, w, h)
3487 if (!sv_isobject(ST(1))
3488 || !sv_derived_from(ST(1), "Imager::ImgRaw")) {
3489 croak("i_img_masked_new: parameter 2 must undef or an image");
3491 mask = INT2PTR(i_img *, SvIV((SV *)SvRV(ST(1))));
3495 RETVAL = i_img_masked_new(targ, mask, x, y, w, h);
3500 i_plin(im, l, y, ...)
3511 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3512 /* supplied as a byte string */
3513 work = (i_color *)SvPV(ST(3), len);
3514 count = len / sizeof(i_color);
3515 if (count * sizeof(i_color) != len) {
3516 croak("i_plin: length of scalar argument must be multiple of sizeof i_color");
3518 RETVAL = i_plin(im, l, l+count, y, work);
3521 work = mymalloc(sizeof(i_color) * (items-3));
3522 for (i=0; i < items-3; ++i) {
3523 if (sv_isobject(ST(i+3))
3524 && sv_derived_from(ST(i+3), "Imager::Color")) {
3525 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3526 work[i] = *INT2PTR(i_color *, tmp);
3530 croak("i_plin: pixels must be Imager::Color objects");
3533 RETVAL = i_plin(im, l, l+items-3, y, work);
3544 i_ppixf(im, x, y, cl)
3548 Imager::Color::Float cl
3551 i_gsampf(im, l, r, y, channels)
3556 i_channel_list channels
3562 data = mymalloc(sizeof(i_fsample_t) * (r-l) * channels.count);
3563 count = i_gsampf(im, l, r, y, data, channels.channels, channels.count);
3564 if (GIMME_V == G_ARRAY) {
3566 for (i = 0; i < count; ++i)
3567 PUSHs(sv_2mortal(newSVnv(data[i])));
3571 PUSHs(sv_2mortal(newSVpv((void *)data, count * sizeof(i_fsample_t))));
3576 if (GIMME_V != G_ARRAY) {
3578 PUSHs(&PL_sv_undef);
3583 i_plinf(im, l, y, ...)
3594 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3595 /* supplied as a byte string */
3596 work = (i_fcolor *)SvPV(ST(3), len);
3597 count = len / sizeof(i_fcolor);
3598 if (count * sizeof(i_fcolor) != len) {
3599 croak("i_plin: length of scalar argument must be multiple of sizeof i_fcolor");
3601 RETVAL = i_plinf(im, l, l+count, y, work);
3604 work = mymalloc(sizeof(i_fcolor) * (items-3));
3605 for (i=0; i < items-3; ++i) {
3606 if (sv_isobject(ST(i+3))
3607 && sv_derived_from(ST(i+3), "Imager::Color::Float")) {
3608 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3609 work[i] = *INT2PTR(i_fcolor *, tmp);
3613 croak("i_plinf: pixels must be Imager::Color::Float objects");
3617 RETVAL = i_plinf(im, l, l+items-3, y, work);
3635 color = (i_fcolor *)mymalloc(sizeof(i_fcolor));
3636 if (i_gpixf(im, x, y, color) == 0) {
3637 RETVAL = NEWSV(0,0);
3638 sv_setref_pv(RETVAL, "Imager::Color::Float", (void *)color);
3642 RETVAL = &PL_sv_undef;
3658 vals = mymalloc((r-l) * sizeof(i_color));
3659 memset(vals, 0, (r-l) * sizeof(i_color));
3660 count = i_glin(im, l, r, y, vals);
3661 if (GIMME_V == G_ARRAY) {
3663 for (i = 0; i < count; ++i) {
3664 SV *sv = make_i_color_sv(aTHX_ vals+i);
3670 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_color))));
3676 i_glinf(im, l, r, y)
3686 for (i = 0; i < MAXCHANNELS; ++i)
3687 zero.channel[i] = 0;
3689 vals = mymalloc((r-l) * sizeof(i_fcolor));
3690 for (i = 0; i < r-l; ++i)
3692 count = i_glinf(im, l, r, y, vals);
3693 if (GIMME_V == G_ARRAY) {
3695 for (i = 0; i < count; ++i) {
3697 i_fcolor *col = mymalloc(sizeof(i_fcolor));
3699 sv = sv_newmortal();
3700 sv_setref_pv(sv, "Imager::Color::Float", (void *)col);
3706 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_fcolor))));
3712 i_img_8_new(x, y, ch)
3718 i_img_16_new(x, y, ch)
3728 i_img_double_new(x, y, ch)
3738 i_tags_addn(im, name, code, idata)
3747 name = SvPV(ST(1), len);
3750 RETVAL = i_tags_addn(&im->tags, name, code, idata);
3755 i_tags_add(im, name, code, data, idata)
3765 name = SvPV(ST(1), len);
3769 data = SvPV(ST(3), len);
3774 RETVAL = i_tags_add(&im->tags, name, code, data, len, idata);
3779 i_tags_find(im, name, start)
3786 if (i_tags_find(&im->tags, name, start, &entry)) {
3788 RETVAL = newSVpv("0 but true", 0);
3790 RETVAL = newSViv(entry);
3792 RETVAL = &PL_sv_undef;
3798 i_tags_findn(im, code, start)
3805 if (i_tags_findn(&im->tags, code, start, &entry)) {
3807 RETVAL = newSVpv("0 but true", 0);
3809 RETVAL = newSViv(entry);
3812 RETVAL = &PL_sv_undef;
3818 i_tags_delete(im, entry)
3822 RETVAL = i_tags_delete(&im->tags, entry);
3827 i_tags_delbyname(im, name)
3831 RETVAL = i_tags_delbyname(&im->tags, name);
3836 i_tags_delbycode(im, code)
3840 RETVAL = i_tags_delbycode(&im->tags, code);
3845 i_tags_get(im, index)
3849 if (index >= 0 && index < im->tags.count) {
3850 i_img_tag *entry = im->tags.tags + index;
3854 PUSHs(sv_2mortal(newSVpv(entry->name, 0)));
3857 PUSHs(sv_2mortal(newSViv(entry->code)));
3860 PUSHs(sv_2mortal(newSVpvn(entry->data, entry->size)));
3863 PUSHs(sv_2mortal(newSViv(entry->idata)));
3868 i_tags_get_string(im, what_sv)
3872 char const *name = NULL;
3876 if (SvIOK(what_sv)) {
3877 code = SvIV(what_sv);
3881 name = SvPV_nolen(what_sv);
3884 if (i_tags_get_string(&im->tags, name, code, buffer, sizeof(buffer))) {
3886 PUSHs(sv_2mortal(newSVpv(buffer, 0)));
3893 RETVAL = im->tags.count;
3899 MODULE = Imager PACKAGE = Imager::FillHandle PREFIX=IFILL_
3903 Imager::FillHandle fill
3906 IFILL_CLONE_SKIP(...)
3908 (void)items; /* avoid unused warning for XS variable */
3913 MODULE = Imager PACKAGE = Imager
3916 i_new_fill_solid(cl, combine)
3921 i_new_fill_solidf(cl, combine)
3922 Imager::Color::Float cl
3926 i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy)
3934 unsigned char *cust_hatch;
3938 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3942 RETVAL = i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy);
3947 i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy)
3948 Imager::Color::Float fg
3949 Imager::Color::Float bg
3955 unsigned char *cust_hatch;
3959 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3963 RETVAL = i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy);
3968 i_new_fill_image(src, matrix, xoff, yoff, combine)
3985 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
3986 croak("i_new_fill_image: parameter must be an arrayref");
3987 av=(AV*)SvRV(ST(1));
3991 for (i = 0; i < len; ++i) {
3992 sv1=(*(av_fetch(av,i,0)));
3993 matrix[i] = SvNV(sv1);
3999 RETVAL = i_new_fill_image(src, matrixp, xoff, yoff, combine);
4003 MODULE = Imager PACKAGE = Imager::Internal::Hlines PREFIX=i_int_hlines_
4005 # this class is only exposed for testing
4008 i_int_hlines_testing()
4010 #if i_int_hlines_testing()
4012 Imager::Internal::Hlines
4013 i_int_hlines_new(start_y, count_y, start_x, count_x)
4019 Imager::Internal::Hlines
4020 i_int_hlines_new_img(im)
4024 i_int_hlines_add(hlines, y, minx, width)
4025 Imager::Internal::Hlines hlines
4031 i_int_hlines_DESTROY(hlines)
4032 Imager::Internal::Hlines hlines
4035 i_int_hlines_dump(hlines)
4036 Imager::Internal::Hlines hlines
4039 i_int_hlines_CLONE_SKIP(cls)
4043 MODULE = Imager PACKAGE = Imager::Context PREFIX=im_context_
4046 im_context_DESTROY(ctx)
4049 #ifdef PERL_IMPLICIT_CONTEXT
4052 im_context_CLONE(...)
4056 /* the following sv_setref_pv() will free this inc */
4057 im_context_refinc(MY_CXT.ctx, "CLONE");
4058 MY_CXT.ctx = im_context_clone(MY_CXT.ctx, "CLONE");
4059 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
4064 PERL_SET_GLOBAL_CALLBACKS;
4065 PERL_PL_SET_GLOBAL_CALLBACKS;
4066 #ifdef PERL_IMPLICIT_CONTEXT
4072 start_context(aTHX);
4073 im_get_context = perl_get_context;