1 #define PERL_NO_GET_CONTEXT
8 #define NEED_newRV_noinc
9 #define NEED_sv_2pv_nolen
10 #define NEED_sv_2pvbyte
16 #define i_int_hlines_testing() 1
23 #include "imextpltypes.h"
27 #if i_int_hlines_testing()
35 Context object management
39 typedef im_context_t Imager__Context;
41 #define im_context_DESTROY(ctx) im_context_refdec((ctx), "DESTROY")
43 #ifdef PERL_IMPLICIT_CONTEXT
45 #define MY_CXT_KEY "Imager::_context" XS_VERSION
53 im_context_t fallback_context;
58 MY_CXT.ctx = im_context_new();
59 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
61 /* Ideally we'd free this reference, but the error message memory
62 was never released on exit, so the associated memory here is reasonable
64 With logging enabled we always need at least one context, since
65 objects may be released fairly late and attempt to get the log file.
67 im_context_refinc(MY_CXT.ctx, "start_context");
68 fallback_context = MY_CXT.ctx;
72 perl_get_context(void) {
76 return MY_CXT.ctx ? MY_CXT.ctx : fallback_context;
81 static im_context_t perl_context;
85 perl_context = im_context_new();
86 im_context_refinc(perl_context, "start_context");
90 perl_get_context(void) {
96 /* used to represent channel lists parameters */
97 typedef struct i_channel_list_tag {
104 const i_sample_t *samples;
109 const i_fsample_t *samples;
114 Allocate memory that will be discarded when mortals are discarded.
119 malloc_temp(pTHX_ size_t size) {
120 SV *sv = sv_2mortal(newSV(size));
125 /* These functions are all shared - then comes platform dependant code */
126 static int getstr(void *hv_t,char *key,char **store) {
131 mm_log((1,"getstr(hv_t %p, key %s, store %p)\n",hv_t,key,store));
133 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
135 svpp=hv_fetch(hv, key, strlen(key), 0);
136 *store=SvPV(*svpp, PL_na );
141 static int getint(void *hv_t,char *key,int *store) {
146 mm_log((1,"getint(hv_t %p, key %s, store %p)\n",hv_t,key,store));
148 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
150 svpp=hv_fetch(hv, key, strlen(key), 0);
151 *store=(int)SvIV(*svpp);
155 static int getdouble(void *hv_t,char* key,double *store) {
160 mm_log((1,"getdouble(hv_t %p, key %s, store %p)\n",hv_t,key,store));
162 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
163 svpp=hv_fetch(hv, key, strlen(key), 0);
164 *store=(double)SvNV(*svpp);
168 static int getvoid(void *hv_t,char* key,void **store) {
173 mm_log((1,"getvoid(hv_t %p, key %s, store %p)\n",hv_t,key,store));
175 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
177 svpp=hv_fetch(hv, key, strlen(key), 0);
178 *store = INT2PTR(void*, SvIV(*svpp));
183 static int getobj(void *hv_t,char *key,char *type,void **store) {
188 mm_log((1,"getobj(hv_t %p, key %s,type %s, store %p)\n",hv_t,key,type,store));
190 if ( !hv_exists(hv,key,strlen(key)) ) return 0;
192 svpp=hv_fetch(hv, key, strlen(key), 0);
194 if (sv_derived_from(*svpp,type)) {
195 IV tmp = SvIV((SV*)SvRV(*svpp));
196 *store = INT2PTR(void*, tmp);
198 mm_log((1,"getobj: key exists in hash but is not of correct type"));
205 UTIL_table_t i_UTIL_table={getstr,getint,getdouble,getvoid,getobj};
207 void my_SvREFCNT_dec(void *p) {
209 SvREFCNT_dec((SV*)p);
214 i_log_entry(char *string, int level) {
215 mm_log((level, "%s", string));
219 make_i_color_sv(pTHX_ const i_color *c) {
221 i_color *col = mymalloc(sizeof(i_color));
224 sv_setref_pv(sv, "Imager::Color", (void *)col);
229 #define CBDATA_BUFSIZE 8192
232 /* the SVs we use to call back to Perl */
240 call_reader(struct cbdata *cbd, void *buf, size_t size,
248 if (!SvOK(cbd->readcb)) {
249 mm_log((1, "read callback called but no readcb supplied\n"));
250 i_push_error(0, "read callback called but no readcb supplied");
258 PUSHs(sv_2mortal(newSViv(size)));
259 PUSHs(sv_2mortal(newSViv(maxread)));
262 count = perl_call_sv(cbd->readcb, G_SCALAR);
267 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
273 char *ptr = SvPVbyte(data, len);
275 croak("Too much data returned in reader callback (wanted %d, got %d, expected %d)",
276 (int)size, (int)len, (int)maxread);
278 memcpy(buf, ptr, len);
293 io_seeker(void *p, off_t offset, int whence) {
295 struct cbdata *cbd = p;
300 if (!SvOK(cbd->seekcb)) {
301 mm_log((1, "seek callback called but no seekcb supplied\n"));
302 i_push_error(0, "seek callback called but no seekcb supplied");
310 PUSHs(sv_2mortal(newSViv(offset)));
311 PUSHs(sv_2mortal(newSViv(whence)));
314 count = perl_call_sv(cbd->seekcb, G_SCALAR);
319 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
331 io_writer(void *p, void const *data, size_t size) {
333 struct cbdata *cbd = p;
339 if (!SvOK(cbd->writecb)) {
340 mm_log((1, "write callback called but no writecb supplied\n"));
341 i_push_error(0, "write callback called but no writecb supplied");
349 PUSHs(sv_2mortal(newSVpv((char *)data, size)));
352 count = perl_call_sv(cbd->writecb, G_SCALAR);
356 croak("Result of perl_call_sv(..., G_SCALAR) != 1");
359 success = SvTRUE(sv);
366 return success ? size : -1;
370 io_reader(void *p, void *data, size_t size) {
371 struct cbdata *cbd = p;
373 return call_reader(cbd, data, size, size);
376 static int io_closer(void *p) {
378 struct cbdata *cbd = p;
381 if (SvOK(cbd->closecb)) {
391 count = perl_call_sv(cbd->closecb, G_SCALAR);
396 success = SvTRUE(sv);
403 return success ? 0 : -1;
406 static void io_destroyer(void *p) {
408 struct cbdata *cbd = p;
410 SvREFCNT_dec(cbd->writecb);
411 SvREFCNT_dec(cbd->readcb);
412 SvREFCNT_dec(cbd->seekcb);
413 SvREFCNT_dec(cbd->closecb);
418 do_io_new_buffer(pTHX_ SV *data_sv) {
422 data = SvPVbyte(data_sv, length);
423 SvREFCNT_inc(data_sv);
424 return io_new_buffer(data, length, my_SvREFCNT_dec, data_sv);
428 describe_sv(SV *sv) {
431 svtype type = SvTYPE(SvRV(sv));
433 case SVt_PVCV: return "CV";
434 case SVt_PVGV: return "GV";
435 case SVt_PVLV: return "LV";
436 default: return "some reference";
440 return "non-reference scalar";
449 do_io_new_cb(pTHX_ SV *writecb, SV *readcb, SV *seekcb, SV *closecb) {
452 cbd = mymalloc(sizeof(struct cbdata));
453 cbd->writecb = newSVsv(writecb);
454 cbd->readcb = newSVsv(readcb);
455 cbd->seekcb = newSVsv(seekcb);
456 cbd->closecb = newSVsv(closecb);
458 mm_log((1, "do_io_new_cb(writecb %p (%s), readcb %p (%s), seekcb %p (%s), closecb %p (%s))\n", writecb, describe_sv(writecb), readcb, describe_sv(readcb), seekcb, describe_sv(seekcb), closecb, describe_sv(closecb)));
460 return io_new_cb(cbd, io_reader, io_writer, io_seeker, io_closer,
468 static int lookup_name(struct value_name *names, int count, char *name, int def_value)
471 for (i = 0; i < count; ++i)
472 if (strEQ(names[i].name, name))
473 return names[i].value;
477 static struct value_name transp_names[] =
480 { "threshold", tr_threshold },
481 { "errdiff", tr_errdiff },
482 { "ordered", tr_ordered, },
485 static struct value_name make_color_names[] =
487 { "none", mc_none, },
488 { "webmap", mc_web_map, },
489 { "addi", mc_addi, },
490 { "mediancut", mc_median_cut, },
491 { "mono", mc_mono, },
492 { "monochrome", mc_mono, },
493 { "gray", mc_gray, },
494 { "gray4", mc_gray4, },
495 { "gray16", mc_gray16, },
498 static struct value_name translate_names[] =
500 { "giflib", pt_giflib, },
501 { "closest", pt_closest, },
502 { "perturb", pt_perturb, },
503 { "errdiff", pt_errdiff, },
506 static struct value_name errdiff_names[] =
508 { "floyd", ed_floyd, },
509 { "jarvis", ed_jarvis, },
510 { "stucki", ed_stucki, },
511 { "custom", ed_custom, },
514 static struct value_name orddith_names[] =
516 { "random", od_random, },
517 { "dot8", od_dot8, },
518 { "dot4", od_dot4, },
519 { "hline", od_hline, },
520 { "vline", od_vline, },
521 { "/line", od_slashline, },
522 { "slashline", od_slashline, },
523 { "\\line", od_backline, },
524 { "backline", od_backline, },
525 { "tiny", od_tiny, },
526 { "custom", od_custom, },
529 /* look through the hash for quantization options */
531 ip_handle_quant_opts(pTHX_ i_quantize *quant, HV *hv)
533 /*** POSSIBLY BROKEN: do I need to unref the SV from hv_fetch ***/
539 quant->mc_colors = mymalloc(quant->mc_size * sizeof(i_color));
541 sv = hv_fetch(hv, "transp", 6, 0);
542 if (sv && *sv && (str = SvPV(*sv, len))) {
544 lookup_name(transp_names, sizeof(transp_names)/sizeof(*transp_names),
546 if (quant->transp != tr_none) {
547 quant->tr_threshold = 127;
548 sv = hv_fetch(hv, "tr_threshold", 12, 0);
550 quant->tr_threshold = SvIV(*sv);
552 if (quant->transp == tr_errdiff) {
553 sv = hv_fetch(hv, "tr_errdiff", 10, 0);
554 if (sv && *sv && (str = SvPV(*sv, len)))
555 quant->tr_errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
557 if (quant->transp == tr_ordered) {
558 quant->tr_orddith = od_tiny;
559 sv = hv_fetch(hv, "tr_orddith", 10, 0);
560 if (sv && *sv && (str = SvPV(*sv, len)))
561 quant->tr_orddith = lookup_name(orddith_names, sizeof(orddith_names)/sizeof(*orddith_names), str, od_random);
563 if (quant->tr_orddith == od_custom) {
564 sv = hv_fetch(hv, "tr_map", 6, 0);
565 if (sv && *sv && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
566 AV *av = (AV*)SvRV(*sv);
567 len = av_len(av) + 1;
568 if (len > sizeof(quant->tr_custom))
569 len = sizeof(quant->tr_custom);
570 for (i = 0; i < len; ++i) {
571 SV **sv2 = av_fetch(av, i, 0);
573 quant->tr_custom[i] = SvIV(*sv2);
576 while (i < sizeof(quant->tr_custom))
577 quant->tr_custom[i++] = 0;
582 quant->make_colors = mc_median_cut;
583 sv = hv_fetch(hv, "make_colors", 11, 0);
584 if (sv && *sv && (str = SvPV(*sv, len))) {
586 lookup_name(make_color_names, sizeof(make_color_names)/sizeof(*make_color_names), str, mc_median_cut);
588 sv = hv_fetch(hv, "colors", 6, 0);
589 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
590 /* needs to be an array of Imager::Color
591 note that the caller allocates the mc_color array and sets mc_size
593 AV *av = (AV *)SvRV(*sv);
594 quant->mc_count = av_len(av)+1;
595 if (quant->mc_count > quant->mc_size)
596 quant->mc_count = quant->mc_size;
597 for (i = 0; i < quant->mc_count; ++i) {
598 SV **sv1 = av_fetch(av, i, 0);
599 if (sv1 && *sv1 && SvROK(*sv1) && sv_derived_from(*sv1, "Imager::Color")) {
600 i_color *col = INT2PTR(i_color *, SvIV((SV*)SvRV(*sv1)));
601 quant->mc_colors[i] = *col;
605 sv = hv_fetch(hv, "max_colors", 10, 0);
608 if (i <= quant->mc_size && i >= quant->mc_count)
612 quant->translate = pt_closest;
613 sv = hv_fetch(hv, "translate", 9, 0);
614 if (sv && *sv && (str = SvPV(*sv, len))) {
615 quant->translate = lookup_name(translate_names, sizeof(translate_names)/sizeof(*translate_names), str, pt_closest);
617 sv = hv_fetch(hv, "errdiff", 7, 0);
618 if (sv && *sv && (str = SvPV(*sv, len))) {
619 quant->errdiff = lookup_name(errdiff_names, sizeof(errdiff_names)/sizeof(*errdiff_names), str, ed_floyd);
621 if (quant->translate == pt_errdiff && quant->errdiff == ed_custom) {
622 /* get the error diffusion map */
623 sv = hv_fetch(hv, "errdiff_width", 13, 0);
625 quant->ed_width = SvIV(*sv);
626 sv = hv_fetch(hv, "errdiff_height", 14, 0);
628 quant->ed_height = SvIV(*sv);
629 sv = hv_fetch(hv, "errdiff_orig", 12, 0);
631 quant->ed_orig = SvIV(*sv);
632 if (quant->ed_width > 0 && quant->ed_height > 0) {
634 quant->ed_map = mymalloc(sizeof(int)*quant->ed_width*quant->ed_height);
635 sv = hv_fetch(hv, "errdiff_map", 11, 0);
636 if (sv && *sv && SvROK(*sv) && SvTYPE(SvRV(*sv)) == SVt_PVAV) {
637 AV *av = (AV*)SvRV(*sv);
638 len = av_len(av) + 1;
639 if (len > quant->ed_width * quant->ed_height)
640 len = quant->ed_width * quant->ed_height;
641 for (i = 0; i < len; ++i) {
642 SV **sv2 = av_fetch(av, i, 0);
644 quant->ed_map[i] = SvIV(*sv2);
645 sum += quant->ed_map[i];
651 myfree(quant->ed_map);
653 quant->errdiff = ed_floyd;
657 sv = hv_fetch(hv, "perturb", 7, 0);
659 quant->perturb = SvIV(*sv);
663 ip_cleanup_quant_opts(pTHX_ i_quantize *quant) {
664 myfree(quant->mc_colors);
666 myfree(quant->ed_map);
669 /* copies the color map from the hv into the colors member of the HV */
671 ip_copy_colors_back(pTHX_ HV *hv, i_quantize *quant) {
677 sv = hv_fetch(hv, "colors", 6, 0);
678 if (!sv || !*sv || !SvROK(*sv) || SvTYPE(SvRV(*sv)) != SVt_PVAV) {
683 av = (AV *)SvRV(*sv);
685 av_extend(av, quant->mc_count+1);
686 for (i = 0; i < quant->mc_count; ++i) {
687 i_color *in = quant->mc_colors+i;
688 Imager__Color c = ICL_new_internal(in->rgb.r, in->rgb.g, in->rgb.b, 255);
689 work = sv_newmortal();
690 sv_setref_pv(work, "Imager::Color", (void *)c);
696 /* loads the segments of a fountain fill into an array */
697 static i_fountain_seg *
698 load_fount_segs(pTHX_ AV *asegs, int *count) {
699 /* Each element of segs must contain:
700 [ start, middle, end, c0, c1, segtype, colortrans ]
701 start, middle, end are doubles from 0 to 1
702 c0, c1 are Imager::Color::Float or Imager::Color objects
703 segtype, colortrans are ints
707 i_fountain_seg *segs;
711 *count = av_len(asegs)+1;
713 croak("i_fountain must have at least one segment");
714 segs = mymalloc(sizeof(i_fountain_seg) * *count);
715 for(i = 0; i < *count; i++) {
716 SV **sv1 = av_fetch(asegs, i, 0);
717 if (!sv1 || !*sv1 || !SvROK(*sv1)
718 || SvTYPE(SvRV(*sv1)) != SVt_PVAV) {
720 croak("i_fountain: segs must be an arrayref of arrayrefs");
722 aseg = (AV *)SvRV(*sv1);
723 if (av_len(aseg) != 7-1) {
725 croak("i_fountain: a segment must have 7 members");
727 for (j = 0; j < 3; ++j) {
728 SV **sv2 = av_fetch(aseg, j, 0);
731 croak("i_fountain: XS error");
733 work[j] = SvNV(*sv2);
735 segs[i].start = work[0];
736 segs[i].middle = work[1];
737 segs[i].end = work[2];
738 for (j = 0; j < 2; ++j) {
739 SV **sv3 = av_fetch(aseg, 3+j, 0);
740 if (!sv3 || !*sv3 || !SvROK(*sv3) ||
741 (!sv_derived_from(*sv3, "Imager::Color")
742 && !sv_derived_from(*sv3, "Imager::Color::Float"))) {
744 croak("i_fountain: segs must contain colors in elements 3 and 4");
746 if (sv_derived_from(*sv3, "Imager::Color::Float")) {
747 segs[i].c[j] = *INT2PTR(i_fcolor *, SvIV((SV *)SvRV(*sv3)));
750 i_color c = *INT2PTR(i_color *, SvIV((SV *)SvRV(*sv3)));
752 for (ch = 0; ch < MAXCHANNELS; ++ch) {
753 segs[i].c[j].channel[ch] = c.channel[ch] / 255.0;
757 for (j = 0; j < 2; ++j) {
758 SV **sv2 = av_fetch(aseg, j+5, 0);
761 croak("i_fountain: XS error");
763 worki[j] = SvIV(*sv2);
765 segs[i].type = worki[0];
766 segs[i].color = worki[1];
772 /* validates the indexes supplied to i_ppal
774 i_ppal() doesn't do that for speed, but I'm not comfortable doing that
779 validate_i_ppal(i_img *im, i_palidx const *indexes, int count) {
780 int color_count = i_colorcount(im);
783 if (color_count == -1)
784 croak("i_plin() called on direct color image");
786 for (i = 0; i < count; ++i) {
787 if (indexes[i] >= color_count) {
788 croak("i_plin() called with out of range color index %d (max %d)",
789 indexes[i], color_count-1);
794 /* I don't think ICLF_* names belong at the C interface
795 this makes the XS code think we have them, to let us avoid
796 putting function bodies in the XS code
798 #define ICLF_new_internal(r, g, b, a) i_fcolor_new((r), (g), (b), (a))
799 #define ICLF_DESTROY(cl) i_fcolor_destroy(cl)
802 #define i_log_enabled() 1
804 #define i_log_enabled() 0
807 #if i_int_hlines_testing()
809 typedef i_int_hlines *Imager__Internal__Hlines;
811 static i_int_hlines *
812 i_int_hlines_new(i_img_dim start_y, i_img_dim count_y, i_img_dim start_x, i_img_dim count_x) {
813 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
814 i_int_init_hlines(result, start_y, count_y, start_x, count_x);
819 static i_int_hlines *
820 i_int_hlines_new_img(i_img *im) {
821 i_int_hlines *result = mymalloc(sizeof(i_int_hlines));
822 i_int_init_hlines_img(result, im);
828 i_int_hlines_DESTROY(i_int_hlines *hlines) {
829 i_int_hlines_destroy(hlines);
833 #define i_int_hlines_CLONE_SKIP(cls) 1
835 static int seg_compare(const void *vleft, const void *vright) {
836 const i_int_hline_seg *left = vleft;
837 const i_int_hline_seg *right = vright;
839 return left->minx - right->minx;
843 i_int_hlines_dump(i_int_hlines *hlines) {
845 SV *dump = newSVpvf("start_y: %" i_DF " limit_y: %" i_DF " start_x: %" i_DF " limit_x: %" i_DF"\n",
846 i_DFc(hlines->start_y), i_DFc(hlines->limit_y), i_DFc(hlines->start_x), i_DFc(hlines->limit_x));
849 for (y = hlines->start_y; y < hlines->limit_y; ++y) {
850 i_int_hline_entry *entry = hlines->entries[y-hlines->start_y];
853 /* sort the segments, if any */
855 qsort(entry->segs, entry->count, sizeof(i_int_hline_seg), seg_compare);
857 sv_catpvf(dump, " %" i_DF " (%" i_DF "):", i_DFc(y), i_DFc(entry->count));
858 for (i = 0; i < entry->count; ++i) {
859 sv_catpvf(dump, " [%" i_DF ", %" i_DF ")", i_DFc(entry->segs[i].minx),
860 i_DFc(entry->segs[i].x_limit));
862 sv_catpv(dump, "\n");
872 i_sv_off_t(pTHX_ SV *sv) {
873 #if LSEEKSIZE > IVSIZE
874 return (off_t)SvNV(sv);
876 return (off_t)SvIV(sv);
881 i_new_sv_off_t(pTHX_ off_t off) {
882 #if LSEEKSIZE > IVSIZE
889 static im_pl_ext_funcs im_perl_funcs =
891 IMAGER_PL_API_VERSION,
893 ip_handle_quant_opts,
894 ip_cleanup_quant_opts,
898 #define PERL_PL_SET_GLOBAL_CALLBACKS \
899 sv_setiv(get_sv(PERL_PL_FUNCTION_TABLE_NAME, 1), PTR2IV(&im_perl_funcs));
901 #define IIM_new i_img_8_new
902 #define IIM_DESTROY i_img_destroy
905 #define i_exif_enabled() 1
907 #define i_exif_enabled() 0
910 /* trying to use more C style names, map them here */
911 #define i_io_DESTROY(ig) io_glue_destroy(ig)
913 #define i_img_get_width(im) ((im)->xsize)
914 #define i_img_get_height(im) ((im)->ysize)
916 #define i_img_epsilonf() (DBL_EPSILON * 4)
918 /* avoid some xsubpp strangeness */
921 MODULE = Imager PACKAGE = Imager::Color PREFIX = ICL_
924 ICL_new_internal(r,g,b,a)
936 ICL_set_internal(cl,r,g,b,a)
943 ICL_set_internal(cl, r, g, b, a);
957 PUSHs(sv_2mortal(newSViv(cl->rgba.r)));
958 PUSHs(sv_2mortal(newSViv(cl->rgba.g)));
959 PUSHs(sv_2mortal(newSViv(cl->rgba.b)));
960 PUSHs(sv_2mortal(newSViv(cl->rgba.a)));
966 RETVAL = mymalloc(sizeof(i_color));
968 i_hsv_to_rgb(RETVAL);
976 RETVAL = mymalloc(sizeof(i_color));
978 i_rgb_to_hsv(RETVAL);
984 MODULE = Imager PACKAGE = Imager::Color::Float PREFIX=ICLF_
987 ICLF_new_internal(r, g, b, a)
995 Imager::Color::Float cl
999 Imager::Color::Float cl
1003 EXTEND(SP, MAXCHANNELS);
1004 for (ch = 0; ch < MAXCHANNELS; ++ch) {
1005 /* printf("%d: %g\n", ch, cl->channel[ch]); */
1006 PUSHs(sv_2mortal(newSVnv(cl->channel[ch])));
1010 ICLF_set_internal(cl,r,g,b,a)
1011 Imager::Color::Float cl
1024 Imager::Color::Float
1026 Imager::Color::Float c
1028 RETVAL = mymalloc(sizeof(i_fcolor));
1030 i_hsv_to_rgbf(RETVAL);
1034 Imager::Color::Float
1036 Imager::Color::Float c
1038 RETVAL = mymalloc(sizeof(i_fcolor));
1040 i_rgb_to_hsvf(RETVAL);
1044 MODULE = Imager PACKAGE = Imager::ImgRaw PREFIX = IIM_
1058 MODULE = Imager PACKAGE = Imager
1072 io_new_buffer(data_sv)
1075 RETVAL = do_io_new_buffer(aTHX_ data_sv);
1080 io_new_cb(writecb, readcb, seekcb, closecb, maxwrite = CBDATA_BUFSIZE)
1087 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
1095 unsigned char* data;
1099 tlength = io_slurp(ig, &data);
1100 RETVAL = newSVpv((char *)data,tlength);
1107 i_set_image_file_limits(width, height, bytes)
1113 i_get_image_file_limits()
1115 i_img_dim width, height;
1118 if (i_get_image_file_limits(&width, &height, &bytes)) {
1120 PUSHs(sv_2mortal(newSViv(width)));
1121 PUSHs(sv_2mortal(newSViv(height)));
1122 PUSHs(sv_2mortal(newSVuv(bytes)));
1126 i_int_check_image_file_limits(width, height, channels, sample_size)
1133 MODULE = Imager PACKAGE = Imager::IO PREFIX = io_
1136 io_new_fd(class, fd)
1139 RETVAL = io_new_fd(fd);
1144 io_new_buffer(class, data_sv)
1147 RETVAL = do_io_new_buffer(aTHX_ data_sv);
1152 io_new_cb(class, writecb, readcb, seekcb, closecb)
1158 RETVAL = do_io_new_cb(aTHX_ writecb, readcb, seekcb, closecb);
1163 io_new_bufchain(class)
1165 RETVAL = io_new_bufchain();
1170 io__new_perlio(class, io)
1173 RETVAL = im_io_new_perlio(aTHX_ io);
1181 unsigned char* data;
1185 tlength = io_slurp(ig, &data);
1186 RETVAL = newSVpv((char *)data,tlength);
1191 MODULE = Imager PACKAGE = Imager::IO PREFIX = i_io_
1194 i_io_raw_write(ig, data_sv)
1201 data = SvPVbyte(data_sv, size);
1202 RETVAL = i_io_raw_write(ig, data, size);
1207 i_io_raw_read(ig, buffer_sv, size)
1216 croak("size negative in call to i_io_raw_read()");
1217 /* prevent an undefined value warning if they supplied an
1219 Orginally conditional on !SvOK(), but this will prevent the
1220 downgrade from croaking */
1221 sv_setpvn(buffer_sv, "", 0);
1223 if (SvUTF8(buffer_sv))
1224 sv_utf8_downgrade(buffer_sv, FALSE);
1226 buffer = SvGROW(buffer_sv, size+1);
1227 result = i_io_raw_read(ig, buffer, size);
1229 SvCUR_set(buffer_sv, result);
1230 *SvEND(buffer_sv) = '\0';
1231 SvPOK_only(buffer_sv);
1233 PUSHs(sv_2mortal(newSViv(result)));
1239 i_io_raw_read2(ig, size)
1248 croak("size negative in call to i_io_read2()");
1249 buffer_sv = newSV(size);
1250 buffer = SvGROW(buffer_sv, size+1);
1251 result = i_io_raw_read(ig, buffer, size);
1253 SvCUR_set(buffer_sv, result);
1254 *SvEND(buffer_sv) = '\0';
1255 SvPOK_only(buffer_sv);
1257 PUSHs(sv_2mortal(buffer_sv));
1261 SvREFCNT_dec(buffer_sv);
1265 i_io_raw_seek(ig, position, whence)
1279 i_io_CLONE_SKIP(...)
1281 (void)items; /* avoid unused warning for XS variable */
1308 i_io_seek(ig, off, whence)
1314 i_io_peekn(ig, size)
1322 buffer_sv = newSV(size+1);
1323 buffer = SvGROW(buffer_sv, size+1);
1324 result = i_io_peekn(ig, buffer, size);
1326 SvCUR_set(buffer_sv, result);
1327 *SvEND(buffer_sv) = '\0';
1328 SvPOK_only(buffer_sv);
1330 PUSHs(sv_2mortal(buffer_sv));
1334 SvREFCNT_dec(buffer_sv);
1338 i_io_read(ig, buffer_sv, size)
1347 croak("size negative in call to i_io_read()");
1348 /* prevent an undefined value warning if they supplied an
1350 Orginally conditional on !SvOK(), but this will prevent the
1351 downgrade from croaking */
1352 sv_setpvn(buffer_sv, "", 0);
1354 if (SvUTF8(buffer_sv))
1355 sv_utf8_downgrade(buffer_sv, FALSE);
1357 buffer = SvGROW(buffer_sv, size+1);
1358 result = i_io_read(ig, buffer, size);
1360 SvCUR_set(buffer_sv, result);
1361 *SvEND(buffer_sv) = '\0';
1362 SvPOK_only(buffer_sv);
1364 PUSHs(sv_2mortal(newSViv(result)));
1370 i_io_read2(ig, size)
1379 croak("size zero in call to read2()");
1380 buffer_sv = newSV(size);
1381 buffer = SvGROW(buffer_sv, size+1);
1382 result = i_io_read(ig, buffer, size);
1384 SvCUR_set(buffer_sv, result);
1385 *SvEND(buffer_sv) = '\0';
1386 SvPOK_only(buffer_sv);
1388 PUSHs(sv_2mortal(buffer_sv));
1392 SvREFCNT_dec(buffer_sv);
1396 i_io_gets(ig, size = 8192, eol = NEWLINE)
1406 croak("size too small in call to gets()");
1407 buffer_sv = sv_2mortal(newSV(size+1));
1408 buffer = SvPVX(buffer_sv);
1409 result = i_io_gets(ig, buffer, size+1, eol);
1411 SvCUR_set(buffer_sv, result);
1412 *SvEND(buffer_sv) = '\0';
1413 SvPOK_only(buffer_sv);
1419 i_io_write(ig, data_sv)
1426 data = SvPVbyte(data_sv, size);
1427 RETVAL = i_io_write(ig, data, size);
1432 i_io_dump(ig, flags = I_IO_DUMP_DEFAULT)
1437 i_io_set_buffered(ig, flag = 1)
1442 i_io_is_buffered(ig)
1453 MODULE = Imager PACKAGE = Imager
1464 while( (item=i_format_list[i++]) != NULL ) {
1466 PUSHs(sv_2mortal(newSVpv(item,0)));
1470 i_sametype(im, x, y)
1476 i_sametype_chans(im, x, y, channels)
1483 i_init_log(name_sv,level)
1487 const char *name = SvOK(name_sv) ? SvPV_nolen(name_sv) : NULL;
1489 RETVAL = i_init_log(name, level);
1494 i_log_entry(string,level)
1507 i_img_info(im,info);
1509 PUSHs(sv_2mortal(newSViv(info[0])));
1510 PUSHs(sv_2mortal(newSViv(info[1])));
1511 PUSHs(sv_2mortal(newSViv(info[2])));
1512 PUSHs(sv_2mortal(newSViv(info[3])));
1518 i_img_setmask(im,ch_mask)
1527 i_img_getchannels(im)
1536 sv_2mortal(newSVpv((char *)im->idata, im->bytes))
1544 i_img_get_height(im)
1549 i_img_is_monochrome(im)
1555 result = i_img_is_monochrome(im, &zero_is_white);
1557 if (GIMME_V == G_ARRAY) {
1560 PUSHs(sv_2mortal(newSViv(zero_is_white)));
1569 i_line(im,x1,y1,x2,y2,val,endp)
1579 i_line_aa(im,x1,y1,x2,y2,val,endp)
1589 i_box(im,x1,y1,x2,y2,val)
1598 i_box_filled(im,x1,y1,x2,y2,val)
1607 i_box_filledf(im,x1,y1,x2,y2,val)
1613 Imager::Color::Float val
1616 i_box_cfill(im,x1,y1,x2,y2,fill)
1622 Imager::FillHandle fill
1625 i_arc(im,x,y,rad,d1,d2,val)
1635 i_arc_aa(im,x,y,rad,d1,d2,val)
1645 i_arc_cfill(im,x,y,rad,d1,d2,fill)
1652 Imager::FillHandle fill
1655 i_arc_aa_cfill(im,x,y,rad,d1,d2,fill)
1662 Imager::FillHandle fill
1666 i_circle_aa(im,x,y,rad,val)
1674 i_circle_out(im,x,y,rad,val)
1682 i_circle_out_aa(im,x,y,rad,val)
1690 i_arc_out(im,x,y,rad,d1,d2,val)
1700 i_arc_out_aa(im,x,y,rad,d1,d2,val)
1711 i_bezier_multi(im,xc,yc,val)
1724 if (!SvROK(ST(1))) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
1725 if (SvTYPE(SvRV(ST(1))) != SVt_PVAV) croak("Imager: Parameter 1 to i_bezier_multi must be a reference to an array\n");
1726 if (!SvROK(ST(2))) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
1727 if (SvTYPE(SvRV(ST(2))) != SVt_PVAV) croak("Imager: Parameter 2 to i_bezier_multi must be a reference to an array\n");
1728 av1=(AV*)SvRV(ST(1));
1729 av2=(AV*)SvRV(ST(2));
1730 if (av_len(av1) != av_len(av2)) croak("Imager: x and y arrays to i_bezier_multi must be equal length\n");
1732 x=mymalloc( len*sizeof(double) );
1733 y=mymalloc( len*sizeof(double) );
1734 for(i=0;i<len;i++) {
1735 sv1=(*(av_fetch(av1,i,0)));
1736 sv2=(*(av_fetch(av2,i,0)));
1737 x[i]=(double)SvNV(sv1);
1738 y[i]=(double)SvNV(sv2);
1740 i_bezier_multi(im,len,x,y,val);
1746 i_poly_aa(im,x_av,y_av,val)
1758 if (av_len(x_av) != av_len(y_av))
1759 croak("Imager: x and y arrays to i_poly_aa must be equal length\n");
1761 x=mymalloc( len*sizeof(double) );
1762 y=mymalloc( len*sizeof(double) );
1763 for(i=0;i<len;i++) {
1764 x_sv=(*(av_fetch(x_av,i,0)));
1765 y_sv=(*(av_fetch(y_av,i,0)));
1766 x[i]=(double)SvNV(x_sv);
1767 y[i]=(double)SvNV(y_sv);
1769 RETVAL = i_poly_aa(im,len,x,y,val);
1776 i_poly_aa_cfill(im,x_av,y_av,fill)
1780 Imager::FillHandle fill
1788 if (av_len(x_av) != av_len(y_av))
1789 croak("Imager: x and y arrays to i_poly_aa_cfill must be equal length\n");
1791 x=mymalloc( len*sizeof(double) );
1792 y=mymalloc( len*sizeof(double) );
1793 for(i=0;i<len;i++) {
1794 x_sv=(*(av_fetch(x_av,i,0)));
1795 y_sv=(*(av_fetch(y_av,i,0)));
1796 x[i]=(double)SvNV(x_sv);
1797 y[i]=(double)SvNV(y_sv);
1799 RETVAL = i_poly_aa_cfill(im,len,x,y,fill);
1806 i_flood_fill(im,seedx,seedy,dcol)
1813 i_flood_cfill(im,seedx,seedy,fill)
1817 Imager::FillHandle fill
1820 i_flood_fill_border(im,seedx,seedy,dcol, border)
1825 Imager::Color border
1828 i_flood_cfill_border(im,seedx,seedy,fill, border)
1832 Imager::FillHandle fill
1833 Imager::Color border
1837 i_copyto(im,src,x1,y1,x2,y2,tx,ty)
1849 i_copyto_trans(im,src,x1,y1,x2,y2,tx,ty,trans)
1866 i_rubthru(im,src,tx,ty,src_minx,src_miny,src_maxx,src_maxy)
1877 i_compose(out, src, out_left, out_top, src_left, src_top, width, height, combine = ic_normal, opacity = 0.0)
1890 i_compose_mask(out, src, mask, out_left, out_top, src_left, src_top, mask_left, mask_top, width, height, combine = ic_normal, opacity = 0.0)
1906 i_combine(src_av, channels_av = NULL)
1910 i_img **imgs = NULL;
1912 int *channels = NULL;
1917 in_count = av_len(src_av) + 1;
1919 imgs = mymalloc(sizeof(i_img*) * in_count);
1920 channels = mymalloc(sizeof(int) * in_count);
1921 for (i = 0; i < in_count; ++i) {
1922 psv = av_fetch(src_av, i, 0);
1923 if (!psv || !*psv || !sv_derived_from(*psv, "Imager::ImgRaw")) {
1926 croak("imgs must contain only images");
1928 tmp = SvIV((SV*)SvRV(*psv));
1929 imgs[i] = INT2PTR(i_img*, tmp);
1931 (psv = av_fetch(channels_av, i, 0)) != NULL &&
1933 channels[i] = SvIV(*psv);
1940 RETVAL = i_combine(imgs, channels, in_count);
1947 i_flipxy(im, direction)
1952 i_rotate90(im, degrees)
1957 i_rotate_exact(im, amount, ...)
1961 i_color *backp = NULL;
1962 i_fcolor *fbackp = NULL;
1966 /* extract the bg colors if any */
1967 /* yes, this is kind of strange */
1968 for (i = 2; i < items; ++i) {
1970 if (sv_derived_from(sv1, "Imager::Color")) {
1971 IV tmp = SvIV((SV*)SvRV(sv1));
1972 backp = INT2PTR(i_color *, tmp);
1974 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
1975 IV tmp = SvIV((SV*)SvRV(sv1));
1976 fbackp = INT2PTR(i_fcolor *, tmp);
1979 RETVAL = i_rotate_exact_bg(im, amount, backp, fbackp);
1984 i_matrix_transform(im, xsize, ysize, matrix_av, ...)
1994 i_color *backp = NULL;
1995 i_fcolor *fbackp = NULL;
1997 len=av_len(matrix_av)+1;
2000 for (i = 0; i < len; ++i) {
2001 sv1=(*(av_fetch(matrix_av,i,0)));
2002 matrix[i] = SvNV(sv1);
2006 /* extract the bg colors if any */
2007 /* yes, this is kind of strange */
2008 for (i = 4; i < items; ++i) {
2010 if (sv_derived_from(sv1, "Imager::Color")) {
2011 IV tmp = SvIV((SV*)SvRV(sv1));
2012 backp = INT2PTR(i_color *, tmp);
2014 else if (sv_derived_from(sv1, "Imager::Color::Float")) {
2015 IV tmp = SvIV((SV*)SvRV(sv1));
2016 fbackp = INT2PTR(i_fcolor *, tmp);
2019 RETVAL = i_matrix_transform_bg(im, xsize, ysize, matrix, backp, fbackp);
2024 i_gaussian(im,stdev)
2029 i_unsharp_mask(im,stdev,scale)
2044 len = av_len(coef) + 1;
2045 c_coef=mymalloc( len * sizeof(double) );
2046 for(i = 0; i < len; i++) {
2047 sv1 = (*(av_fetch(coef, i, 0)));
2048 c_coef[i] = (double)SvNV(sv1);
2050 RETVAL = i_conv(im, c_coef, len);
2056 i_convert(src, avmain)
2068 outchan = av_len(avmain)+1;
2069 /* find the biggest */
2071 for (j=0; j < outchan; ++j) {
2072 temp = av_fetch(avmain, j, 0);
2073 if (temp && SvROK(*temp) && SvTYPE(SvRV(*temp)) == SVt_PVAV) {
2074 avsub = (AV*)SvRV(*temp);
2075 len = av_len(avsub)+1;
2080 i_push_errorf(0, "invalid matrix: element %d is not an array ref", j);
2084 coeff = mymalloc(sizeof(double) * outchan * inchan);
2085 for (j = 0; j < outchan; ++j) {
2086 avsub = (AV*)SvRV(*av_fetch(avmain, j, 0));
2087 len = av_len(avsub)+1;
2088 for (i = 0; i < len; ++i) {
2089 temp = av_fetch(avsub, i, 0);
2091 coeff[i+j*inchan] = SvNV(*temp);
2093 coeff[i+j*inchan] = 0;
2096 coeff[i++ + j*inchan] = 0;
2098 RETVAL = i_convert(src, coeff, outchan, inchan);
2109 unsigned int mask = 0;
2115 unsigned char (*maps)[256];
2117 len = av_len(pmaps_av)+1;
2118 if (im->channels < len)
2120 maps = mymalloc( len * sizeof(unsigned char [256]) );
2121 for (j=0; j<len ; j++) {
2122 temp = av_fetch(pmaps_av, j, 0);
2123 if (temp && SvROK(*temp) && (SvTYPE(SvRV(*temp)) == SVt_PVAV) ) {
2124 avsub = (AV*)SvRV(*temp);
2125 if(av_len(avsub) != 255)
2128 for (i=0; i<256 ; i++) {
2130 temp = av_fetch(avsub, i, 0);
2131 val = temp ? SvIV(*temp) : 0;
2133 if (val>255) val = 255;
2138 i_map(im, maps, mask);
2150 i_img_diffd(im1,im2)
2155 i_img_samef(im1, im2, epsilon = i_img_epsilonf(), what=NULL)
2165 _is_color_object(sv)
2169 RETVAL = SvOK(sv) && SvROK(sv) &&
2170 (sv_derived_from(sv, "Imager::Color")
2171 || sv_derived_from(sv, "Imager::Color::Float"));
2183 MODULE = Imager PACKAGE = Imager::Font::TT PREFIX=TT_
2185 #define TT_DESTROY(handle) i_tt_destroy(handle)
2189 Imager::Font::TT handle
2194 (void)items; /* avoid unused warning */
2200 MODULE = Imager PACKAGE = Imager
2204 i_tt_text(handle,im,xb,yb,cl,points,str_sv,smooth,utf8,align=1)
2205 Imager::Font::TT handle
2219 str = SvPV(str_sv, len);
2224 RETVAL = i_tt_text(handle, im, xb, yb, cl, points, str,
2225 len, smooth, utf8, align);
2231 i_tt_cp(handle,im,xb,yb,channel,points,str_sv,smooth,utf8,align=1)
2232 Imager::Font::TT handle
2246 str = SvPV(str_sv, len);
2251 RETVAL = i_tt_cp(handle, im, xb, yb, channel, points, str, len,
2252 smooth, utf8, align);
2258 i_tt_bbox(handle,point,str_sv,utf8)
2259 Imager::Font::TT handle
2264 i_img_dim cords[BOUNDING_BOX_COUNT];
2270 str = SvPV(str_sv, len);
2275 if ((rc=i_tt_bbox(handle,point,str,len,cords, utf8))) {
2277 for (i = 0; i < rc; ++i) {
2278 PUSHs(sv_2mortal(newSViv(cords[i])));
2283 i_tt_has_chars(handle, text_sv, utf8)
2284 Imager::Font::TT handle
2295 text = SvPV(text_sv, len);
2297 if (SvUTF8(text_sv))
2300 work = mymalloc(len);
2301 count = i_tt_has_chars(handle, text, len, utf8, work);
2302 if (GIMME_V == G_ARRAY) {
2304 for (i = 0; i < count; ++i) {
2305 PUSHs(boolSV(work[i]));
2310 PUSHs(sv_2mortal(newSVpv(work, count)));
2315 i_tt_dump_names(handle)
2316 Imager::Font::TT handle
2319 i_tt_face_name(handle)
2320 Imager::Font::TT handle
2325 len = i_tt_face_name(handle, name, sizeof(name));
2328 PUSHs(sv_2mortal(newSVpv(name, len-1)));
2332 i_tt_glyph_name(handle, text_sv, utf8 = 0)
2333 Imager::Font::TT handle
2345 text = SvPV(text_sv, work_len);
2347 if (SvUTF8(text_sv))
2354 ch = i_utf8_advance(&text, &len);
2356 i_push_error(0, "invalid UTF8 character");
2364 EXTEND(SP, count+1);
2365 if ((outsize = i_tt_glyph_name(handle, ch, name, sizeof(name))) != 0) {
2366 ST(count) = sv_2mortal(newSVpv(name, 0));
2369 ST(count) = &PL_sv_undef;
2378 i_test_format_probe(ig, length)
2383 i_readpnm_wiol(ig, allow_incomplete)
2385 int allow_incomplete
2389 i_readpnm_multi_wiol(ig, allow_incomplete)
2391 int allow_incomplete
2397 imgs = i_readpnm_multi_wiol(ig, &count, allow_incomplete);
2400 for (i = 0; i < count; ++i) {
2401 SV *sv = sv_newmortal();
2402 sv_setref_pv(sv, "Imager::ImgRaw", (void *)imgs[i]);
2409 i_writeppm_wiol(im, ig)
2418 i_readraw_wiol(ig,x,y,datachannels,storechannels,intrl)
2427 i_writeraw_wiol(im,ig)
2432 i_writebmp_wiol(im,ig)
2437 i_readbmp_wiol(ig, allow_incomplete=0)
2439 int allow_incomplete
2443 i_writetga_wiol(im,ig, wierdpack, compress, idstring)
2452 idlen = SvCUR(ST(4));
2453 RETVAL = i_writetga_wiol(im, ig, wierdpack, compress, idstring, idlen);
2459 i_readtga_wiol(ig, length)
2467 i_scaleaxis(im,Value,Axis)
2473 i_scale_nn(im,scx,scy)
2479 i_scale_mixing(im, width, height)
2489 i_count_colors(im,maxc)
2494 i_get_anonymous_color_histo(im, maxc = 0x40000000)
2499 unsigned int * col_usage = NULL;
2502 col_cnt = i_get_anonymous_color_histo(im, &col_usage, maxc);
2503 EXTEND(SP, col_cnt);
2504 for (i = 0; i < col_cnt; i++) {
2505 PUSHs(sv_2mortal(newSViv( col_usage[i])));
2512 i_transform(im,opx_av,opy_av,parm_av)
2529 opxl=av_len(opx_av)+1;
2530 opx=mymalloc( opxl*sizeof(int) );
2531 for(i=0;i<opxl;i++) {
2532 sv1=(*(av_fetch(opx_av,i,0)));
2533 opx[i]=(int)SvIV(sv1);
2535 opyl=av_len(opy_av)+1;
2536 opy=mymalloc( opyl*sizeof(int) );
2537 for(i=0;i<opyl;i++) {
2538 sv1=(*(av_fetch(opy_av,i,0)));
2539 opy[i]=(int)SvIV(sv1);
2541 parmlen=av_len(parm_av)+1;
2542 parm=mymalloc( parmlen*sizeof(double) );
2543 for(i=0;i<parmlen;i++) {
2544 sv1=(*(av_fetch(parm_av,i,0)));
2545 parm[i]=(double)SvNV(sv1);
2547 result=i_transform(im,opx,opxl,opy,opyl,parm,parmlen);
2552 SV *result_sv = sv_newmortal();
2554 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2559 i_transform2(sv_width,sv_height,channels,sv_ops,av_n_regs,av_c_regs,av_in_imgs)
2585 in_imgs_count = av_len(av_in_imgs)+1;
2586 for (i = 0; i < in_imgs_count; ++i) {
2587 sv1 = *av_fetch(av_in_imgs, i, 0);
2588 if (!sv_derived_from(sv1, "Imager::ImgRaw")) {
2589 croak("sv_in_img must contain only images");
2592 if (in_imgs_count > 0) {
2593 in_imgs = mymalloc(in_imgs_count*sizeof(i_img*));
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("Parameter 5 must contain only images");
2599 tmp = SvIV((SV*)SvRV(sv1));
2600 in_imgs[i] = INT2PTR(i_img*, tmp);
2604 /* no input images */
2607 /* default the output size from the first input if possible */
2609 width = SvIV(sv_width);
2610 else if (in_imgs_count)
2611 width = in_imgs[0]->xsize;
2613 croak("No output image width supplied");
2615 if (SvOK(sv_height))
2616 height = SvIV(sv_height);
2617 else if (in_imgs_count)
2618 height = in_imgs[0]->ysize;
2620 croak("No output image height supplied");
2622 ops = (struct rm_op *)SvPV(sv_ops, ops_len);
2623 if (ops_len % sizeof(struct rm_op))
2624 croak("Imager: Parameter 3 must be a bitmap of regops\n");
2625 ops_count = ops_len / sizeof(struct rm_op);
2627 n_regs_count = av_len(av_n_regs)+1;
2628 n_regs = mymalloc(n_regs_count * sizeof(double));
2629 for (i = 0; i < n_regs_count; ++i) {
2630 sv1 = *av_fetch(av_n_regs,i,0);
2632 n_regs[i] = SvNV(sv1);
2634 c_regs_count = av_len(av_c_regs)+1;
2635 c_regs = mymalloc(c_regs_count * sizeof(i_color));
2636 /* I don't bother initializing the colou?r registers */
2638 result=i_transform2(width, height, channels, ops, ops_count,
2639 n_regs, n_regs_count,
2640 c_regs, c_regs_count, in_imgs, in_imgs_count);
2646 SV *result_sv = sv_newmortal();
2648 sv_setref_pv(result_sv, "Imager::ImgRaw", (void*)result);
2654 i_contrast(im,intensity)
2667 i_noise(im,amount,type)
2673 i_bumpmap(im,bump,channel,light_x,light_y,strength)
2683 i_bumpmap_complex(im,bump,channel,tx,ty,Lx,Ly,Lz,cd,cs,n,Ia,Il,Is)
2702 i_postlevels(im,levels)
2712 i_watermark(im,wmark,tx,ty,pixdiff)
2714 Imager::ImgRaw wmark
2721 i_autolevels(im,lsat,usat,skew)
2728 i_radnoise(im,xo,yo,rscale,ascale)
2736 i_turbnoise(im, xo, yo, scale)
2759 croak("Usage: i_gradgen(im, xo, yo, ival, dmeasure)");
2760 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2761 croak("i_gradgen: Second argument must be an array ref");
2762 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2763 croak("i_gradgen: Third argument must be an array ref");
2764 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2765 croak("i_gradgen: Fourth argument must be an array ref");
2766 axx = (AV *)SvRV(ST(1));
2767 ayy = (AV *)SvRV(ST(2));
2768 ac = (AV *)SvRV(ST(3));
2769 dmeasure = (int)SvIV(ST(4));
2771 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2772 num = num <= av_len(ac) ? num : av_len(ac);
2774 if (num < 2) croak("Usage: i_gradgen array refs must have more than 1 entry each");
2775 xo = mymalloc( sizeof(i_img_dim) * num );
2776 yo = mymalloc( sizeof(i_img_dim) * num );
2777 ival = mymalloc( sizeof(i_color) * num );
2778 for(i = 0; i<num; i++) {
2779 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2780 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2781 sv = *av_fetch(ac, i, 0);
2782 if ( !sv_derived_from(sv, "Imager::Color") ) {
2783 free(axx); free(ayy); free(ac);
2784 croak("i_gradgen: Element of fourth argument is not derived from Imager::Color");
2786 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2788 i_gradgen(im, num, xo, yo, ival, dmeasure);
2794 i_diff_image(im, im2, mindist=0)
2800 i_fountain(im, xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2810 double ssample_param
2814 i_fountain_seg *segs;
2816 if (!SvROK(ST(10)) || ! SvTYPE(SvRV(ST(10))))
2817 croak("i_fountain: argument 11 must be an array ref");
2819 asegs = (AV *)SvRV(ST(10));
2820 segs = load_fount_segs(aTHX_ asegs, &count);
2821 RETVAL = i_fountain(im, xa, ya, xb, yb, type, repeat, combine,
2822 super_sample, ssample_param, count, segs);
2828 i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine, super_sample, ssample_param, segs)
2837 double ssample_param
2841 i_fountain_seg *segs;
2843 if (!SvROK(ST(9)) || ! SvTYPE(SvRV(ST(9))))
2844 croak("i_fountain: argument 11 must be an array ref");
2846 asegs = (AV *)SvRV(ST(9));
2847 segs = load_fount_segs(aTHX_ asegs, &count);
2848 RETVAL = i_new_fill_fount(xa, ya, xb, yb, type, repeat, combine,
2849 super_sample, ssample_param, count, segs);
2855 i_new_fill_opacity(other_fill, alpha_mult)
2856 Imager::FillHandle other_fill
2867 errors = i_errors();
2869 while (errors[i].msg) {
2871 sv = newSVpv(errors[i].msg, strlen(errors[i].msg));
2872 if (!av_store(av, 0, sv)) {
2875 sv = newSViv(errors[i].code);
2876 if (!av_store(av, 1, sv)) {
2879 PUSHs(sv_2mortal(newRV_noinc((SV*)av)));
2887 i_push_error(code, msg)
2892 i_nearest_color(im, ...)
2907 croak("Usage: i_nearest_color(im, xo, yo, ival, dmeasure)");
2908 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
2909 croak("i_nearest_color: Second argument must be an array ref");
2910 if (!SvROK(ST(2)) || ! SvTYPE(SvRV(ST(2))))
2911 croak("i_nearest_color: Third argument must be an array ref");
2912 if (!SvROK(ST(3)) || ! SvTYPE(SvRV(ST(3))))
2913 croak("i_nearest_color: Fourth argument must be an array ref");
2914 axx = (AV *)SvRV(ST(1));
2915 ayy = (AV *)SvRV(ST(2));
2916 ac = (AV *)SvRV(ST(3));
2917 dmeasure = (int)SvIV(ST(4));
2919 num = av_len(axx) < av_len(ayy) ? av_len(axx) : av_len(ayy);
2920 num = num <= av_len(ac) ? num : av_len(ac);
2922 if (num < 2) croak("Usage: i_nearest_color array refs must have more than 1 entry each");
2923 xo = mymalloc( sizeof(i_img_dim) * num );
2924 yo = mymalloc( sizeof(i_img_dim) * num );
2925 ival = mymalloc( sizeof(i_color) * num );
2926 for(i = 0; i<num; i++) {
2927 xo[i] = (i_img_dim)SvIV(* av_fetch(axx, i, 0));
2928 yo[i] = (i_img_dim)SvIV(* av_fetch(ayy, i, 0));
2929 sv = *av_fetch(ac, i, 0);
2930 if ( !sv_derived_from(sv, "Imager::Color") ) {
2931 free(axx); free(ayy); free(ac);
2932 croak("i_nearest_color: Element of fourth argument is not derived from Imager::Color");
2934 ival[i] = *INT2PTR(i_color *, SvIV((SV *)SvRV(sv)));
2936 RETVAL = i_nearest_color(im, num, xo, yo, ival, dmeasure);
2950 rc=DSO_open(filename,&evstr);
2954 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2955 PUSHs(sv_2mortal(newSVpvn(evstr, strlen(evstr))));
2958 PUSHs(sv_2mortal(newSViv(PTR2IV(rc))));
2964 DSO_close(dso_handle)
2968 DSO_funclist(dso_handle_v)
2972 DSO_handle *dso_handle;
2973 func_ptr *functions;
2975 dso_handle=(DSO_handle*)dso_handle_v;
2976 functions = DSO_funclist(dso_handle);
2978 while( functions[i].name != NULL) {
2980 PUSHs(sv_2mortal(newSVpv(functions[i].name,0)));
2982 PUSHs(sv_2mortal(newSVpv(functions[i++].pcode,0)));
2986 DSO_call(handle,func_index,hv)
2992 if (!SvROK(ST(2))) croak("Imager: Parameter 2 must be a reference to a hash\n");
2993 hv=(HV*)SvRV(ST(2));
2994 if (SvTYPE(hv)!=SVt_PVHV) croak("Imager: Parameter 2 must be a reference to a hash\n");
2995 DSO_call( (DSO_handle *)handle,func_index,hv);
2998 i_get_pixel(im, x, y)
3005 color = (i_color *)mymalloc(sizeof(i_color));
3006 if (i_gpix(im, x, y, color) == 0) {
3007 RETVAL = NEWSV(0, 0);
3008 sv_setref_pv(RETVAL, "Imager::Color", (void *)color);
3012 RETVAL = &PL_sv_undef;
3019 i_ppix(im, x, y, cl)
3026 i_img_pal_new(x, y, channels, maxpal)
3033 i_img_to_pal(src, quant)
3039 if (!SvROK(ST(1)) || ! SvTYPE(SvRV(ST(1))))
3040 croak("i_img_to_pal: second argument must be a hash ref");
3041 hv = (HV *)SvRV(ST(1));
3042 memset(&quant, 0, sizeof(quant));
3044 quant.mc_size = 256;
3045 ip_handle_quant_opts(aTHX_ &quant, hv);
3046 RETVAL = i_img_to_pal(src, &quant);
3048 ip_copy_colors_back(aTHX_ hv, &quant);
3050 ip_cleanup_quant_opts(aTHX_ &quant);
3059 i_img_make_palette(HV *quant_hv, ...)
3061 size_t count = items - 1;
3063 i_img **imgs = NULL;
3067 croak("Please supply at least one image (%d)", (int)count);
3068 imgs = mymalloc(sizeof(i_img *) * count);
3069 for (i = 0; i < count; ++i) {
3070 SV *img_sv = ST(i + 1);
3071 if (SvROK(img_sv) && sv_derived_from(img_sv, "Imager::ImgRaw")) {
3072 imgs[i] = INT2PTR(i_img *, SvIV((SV*)SvRV(img_sv)));
3076 croak("Image %d is not an image object", (int)i+1);
3079 memset(&quant, 0, sizeof(quant));
3081 quant.mc_size = 256;
3082 ip_handle_quant_opts(aTHX_ &quant, quant_hv);
3083 i_quant_makemap(&quant, imgs, count);
3084 EXTEND(SP, quant.mc_count);
3085 for (i = 0; i < quant.mc_count; ++i) {
3086 SV *sv_c = make_i_color_sv(aTHX_ quant.mc_colors + i);
3089 ip_cleanup_quant_opts(aTHX_ &quant);
3103 work = mymalloc((r-l) * sizeof(i_palidx));
3104 count = i_gpal(im, l, r, y, work);
3105 if (GIMME_V == G_ARRAY) {
3107 for (i = 0; i < count; ++i) {
3108 PUSHs(sv_2mortal(newSViv(work[i])));
3113 PUSHs(sv_2mortal(newSVpv((char *)work, count * sizeof(i_palidx))));
3118 if (GIMME_V != G_ARRAY) {
3120 PUSHs(&PL_sv_undef);
3125 i_ppal(im, l, y, ...)
3134 work = malloc_temp(aTHX_ sizeof(i_palidx) * (items-3));
3135 for (i=0; i < items-3; ++i) {
3136 work[i] = SvIV(ST(i+3));
3138 validate_i_ppal(im, work, items - 3);
3139 RETVAL = i_ppal(im, l, l+items-3, y, work);
3148 i_ppal_p(im, l, y, data)
3154 i_palidx const *work;
3157 work = (i_palidx const *)SvPV(data, len);
3158 len /= sizeof(i_palidx);
3160 validate_i_ppal(im, work, len);
3161 RETVAL = i_ppal(im, l, l+len, y, work);
3170 i_addcolors(im, ...)
3178 croak("i_addcolors: no colors to add");
3179 colors = mymalloc((items-1) * sizeof(i_color));
3180 for (i=0; i < items-1; ++i) {
3181 if (sv_isobject(ST(i+1))
3182 && sv_derived_from(ST(i+1), "Imager::Color")) {
3183 IV tmp = SvIV((SV *)SvRV(ST(i+1)));
3184 colors[i] = *INT2PTR(i_color *, tmp);
3188 croak("i_addcolor: pixels must be Imager::Color objects");
3191 index = i_addcolors(im, colors, items-1);
3194 RETVAL = newSVpv("0 but true", 0);
3196 else if (index == -1) {
3197 RETVAL = &PL_sv_undef;
3200 RETVAL = newSViv(index);
3206 i_setcolors(im, index, ...)
3214 croak("i_setcolors: no colors to add");
3215 colors = mymalloc((items-2) * sizeof(i_color));
3216 for (i=0; i < items-2; ++i) {
3217 if (sv_isobject(ST(i+2))
3218 && sv_derived_from(ST(i+2), "Imager::Color")) {
3219 IV tmp = SvIV((SV *)SvRV(ST(i+2)));
3220 colors[i] = *INT2PTR(i_color *, tmp);
3224 croak("i_setcolors: pixels must be Imager::Color objects");
3227 RETVAL = i_setcolors(im, index, colors, items-2);
3233 i_getcolors(im, index, ...)
3242 croak("i_getcolors: too many arguments");
3244 count = SvIV(ST(2));
3246 croak("i_getcolors: count must be positive");
3247 colors = mymalloc(sizeof(i_color) * count);
3248 if (i_getcolors(im, index, colors, count)) {
3249 for (i = 0; i < count; ++i) {
3250 SV *sv = make_i_color_sv(aTHX_ colors+i);
3266 i_findcolor(im, color)
3272 if (i_findcolor(im, color, &index)) {
3273 RETVAL = newSViv(index);
3276 RETVAL = &PL_sv_undef;
3294 i_gsamp(im, l, r, y, channels)
3299 i_channel_list channels
3305 data = mymalloc(sizeof(i_sample_t) * (r-l) * channels.count); /* XXX: memleak? */
3306 count = i_gsamp(im, l, r, y, data, channels.channels, channels.count);
3307 if (GIMME_V == G_ARRAY) {
3309 for (i = 0; i < count; ++i)
3310 PUSHs(sv_2mortal(newSViv(data[i])));
3314 PUSHs(sv_2mortal(newSVpv((char *)data, count * sizeof(i_sample_t))));
3319 if (GIMME_V != G_ARRAY) {
3321 PUSHs(&PL_sv_undef);
3326 i_gsamp_bits(im, l, r, y, bits, target, offset, channels)
3334 i_channel_list channels
3341 croak("No channel numbers supplied to g_samp()");
3343 data = mymalloc(sizeof(unsigned) * (r-l) * channels.count);
3344 count = i_gsamp_bits(im, l, r, y, data, channels.channels, channels.count, bits);
3345 for (i = 0; i < count; ++i) {
3346 av_store(target, i+offset, newSVuv(data[i]));
3358 i_psamp_bits(im, l, y, bits, channels, data_av, data_offset = 0, pixel_count = -1)
3363 i_channel_list channels
3365 i_img_dim data_offset
3366 i_img_dim pixel_count
3375 data_count = av_len(data_av) + 1;
3376 if (data_offset < 0) {
3377 croak("data_offset must be non-negative");
3379 if (data_offset > data_count) {
3380 croak("data_offset greater than number of samples supplied");
3382 if (pixel_count == -1 ||
3383 data_offset + pixel_count * channels.count > data_count) {
3384 pixel_count = (data_count - data_offset) / channels.count;
3387 data_used = pixel_count * channels.count;
3388 data = mymalloc(sizeof(unsigned) * data_count);
3389 for (i = 0; i < data_used; ++i)
3390 data[i] = SvUV(*av_fetch(data_av, data_offset + i, 0));
3392 RETVAL = i_psamp_bits(im, l, l + pixel_count, y, data, channels.channels,
3393 channels.count, bits);
3401 i_psamp(im, x, y, channels, data, offset = 0, width = -1)
3405 i_channel_list channels
3414 i_push_error(0, "offset must be non-negative");
3418 if (offset > data.count) {
3419 i_push_error(0, "offset greater than number of samples supplied");
3422 data.samples += offset;
3423 data.count -= offset;
3426 width * channels.count > data.count) {
3427 width = data.count / channels.count;
3430 RETVAL = i_psamp(im, x, r, y, data.samples, channels.channels, channels.count);
3435 i_psampf(im, x, y, channels, data, offset = 0, width = -1)
3439 i_channel_list channels
3448 i_push_error(0, "offset must be non-negative");
3452 if (offset > data.count) {
3453 i_push_error(0, "offset greater than number of samples supplied");
3456 data.samples += offset;
3457 data.count -= offset;
3460 width * channels.count > data.count) {
3461 width = data.count / channels.count;
3464 RETVAL = i_psampf(im, x, r, y, data.samples, channels.channels, channels.count);
3469 i_img_masked_new(targ, mask, x, y, w, h)
3479 if (!sv_isobject(ST(1))
3480 || !sv_derived_from(ST(1), "Imager::ImgRaw")) {
3481 croak("i_img_masked_new: parameter 2 must undef or an image");
3483 mask = INT2PTR(i_img *, SvIV((SV *)SvRV(ST(1))));
3487 RETVAL = i_img_masked_new(targ, mask, x, y, w, h);
3492 i_plin(im, l, y, ...)
3503 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3504 /* supplied as a byte string */
3505 work = (i_color *)SvPV(ST(3), len);
3506 count = len / sizeof(i_color);
3507 if (count * sizeof(i_color) != len) {
3508 croak("i_plin: length of scalar argument must be multiple of sizeof i_color");
3510 RETVAL = i_plin(im, l, l+count, y, work);
3513 work = mymalloc(sizeof(i_color) * (items-3));
3514 for (i=0; i < items-3; ++i) {
3515 if (sv_isobject(ST(i+3))
3516 && sv_derived_from(ST(i+3), "Imager::Color")) {
3517 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3518 work[i] = *INT2PTR(i_color *, tmp);
3522 croak("i_plin: pixels must be Imager::Color objects");
3525 RETVAL = i_plin(im, l, l+items-3, y, work);
3536 i_ppixf(im, x, y, cl)
3540 Imager::Color::Float cl
3543 i_gsampf(im, l, r, y, channels)
3548 i_channel_list channels
3554 data = mymalloc(sizeof(i_fsample_t) * (r-l) * channels.count);
3555 count = i_gsampf(im, l, r, y, data, channels.channels, channels.count);
3556 if (GIMME_V == G_ARRAY) {
3558 for (i = 0; i < count; ++i)
3559 PUSHs(sv_2mortal(newSVnv(data[i])));
3563 PUSHs(sv_2mortal(newSVpv((void *)data, count * sizeof(i_fsample_t))));
3568 if (GIMME_V != G_ARRAY) {
3570 PUSHs(&PL_sv_undef);
3575 i_plinf(im, l, y, ...)
3586 if (items == 4 && SvOK(ST(3)) && !SvROK(ST(3))) {
3587 /* supplied as a byte string */
3588 work = (i_fcolor *)SvPV(ST(3), len);
3589 count = len / sizeof(i_fcolor);
3590 if (count * sizeof(i_fcolor) != len) {
3591 croak("i_plin: length of scalar argument must be multiple of sizeof i_fcolor");
3593 RETVAL = i_plinf(im, l, l+count, y, work);
3596 work = mymalloc(sizeof(i_fcolor) * (items-3));
3597 for (i=0; i < items-3; ++i) {
3598 if (sv_isobject(ST(i+3))
3599 && sv_derived_from(ST(i+3), "Imager::Color::Float")) {
3600 IV tmp = SvIV((SV *)SvRV(ST(i+3)));
3601 work[i] = *INT2PTR(i_fcolor *, tmp);
3605 croak("i_plinf: pixels must be Imager::Color::Float objects");
3609 RETVAL = i_plinf(im, l, l+items-3, y, work);
3627 color = (i_fcolor *)mymalloc(sizeof(i_fcolor));
3628 if (i_gpixf(im, x, y, color) == 0) {
3629 RETVAL = NEWSV(0,0);
3630 sv_setref_pv(RETVAL, "Imager::Color::Float", (void *)color);
3634 RETVAL = &PL_sv_undef;
3650 vals = mymalloc((r-l) * sizeof(i_color));
3651 memset(vals, 0, (r-l) * sizeof(i_color));
3652 count = i_glin(im, l, r, y, vals);
3653 if (GIMME_V == G_ARRAY) {
3655 for (i = 0; i < count; ++i) {
3656 SV *sv = make_i_color_sv(aTHX_ vals+i);
3662 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_color))));
3668 i_glinf(im, l, r, y)
3678 for (i = 0; i < MAXCHANNELS; ++i)
3679 zero.channel[i] = 0;
3681 vals = mymalloc((r-l) * sizeof(i_fcolor));
3682 for (i = 0; i < r-l; ++i)
3684 count = i_glinf(im, l, r, y, vals);
3685 if (GIMME_V == G_ARRAY) {
3687 for (i = 0; i < count; ++i) {
3689 i_fcolor *col = mymalloc(sizeof(i_fcolor));
3691 sv = sv_newmortal();
3692 sv_setref_pv(sv, "Imager::Color::Float", (void *)col);
3698 PUSHs(sv_2mortal(newSVpv((void *)vals, count * sizeof(i_fcolor))));
3704 i_img_8_new(x, y, ch)
3710 i_img_16_new(x, y, ch)
3720 i_img_double_new(x, y, ch)
3730 i_tags_addn(im, name, code, idata)
3739 name = SvPV(ST(1), len);
3742 RETVAL = i_tags_addn(&im->tags, name, code, idata);
3747 i_tags_add(im, name, code, data, idata)
3757 name = SvPV(ST(1), len);
3761 data = SvPV(ST(3), len);
3766 RETVAL = i_tags_add(&im->tags, name, code, data, len, idata);
3771 i_tags_find(im, name, start)
3778 if (i_tags_find(&im->tags, name, start, &entry)) {
3780 RETVAL = newSVpv("0 but true", 0);
3782 RETVAL = newSViv(entry);
3784 RETVAL = &PL_sv_undef;
3790 i_tags_findn(im, code, start)
3797 if (i_tags_findn(&im->tags, code, start, &entry)) {
3799 RETVAL = newSVpv("0 but true", 0);
3801 RETVAL = newSViv(entry);
3804 RETVAL = &PL_sv_undef;
3810 i_tags_delete(im, entry)
3814 RETVAL = i_tags_delete(&im->tags, entry);
3819 i_tags_delbyname(im, name)
3823 RETVAL = i_tags_delbyname(&im->tags, name);
3828 i_tags_delbycode(im, code)
3832 RETVAL = i_tags_delbycode(&im->tags, code);
3837 i_tags_get(im, index)
3841 if (index >= 0 && index < im->tags.count) {
3842 i_img_tag *entry = im->tags.tags + index;
3846 PUSHs(sv_2mortal(newSVpv(entry->name, 0)));
3849 PUSHs(sv_2mortal(newSViv(entry->code)));
3852 PUSHs(sv_2mortal(newSVpvn(entry->data, entry->size)));
3855 PUSHs(sv_2mortal(newSViv(entry->idata)));
3860 i_tags_get_string(im, what_sv)
3864 char const *name = NULL;
3868 if (SvIOK(what_sv)) {
3869 code = SvIV(what_sv);
3873 name = SvPV_nolen(what_sv);
3876 if (i_tags_get_string(&im->tags, name, code, buffer, sizeof(buffer))) {
3878 PUSHs(sv_2mortal(newSVpv(buffer, 0)));
3885 RETVAL = im->tags.count;
3891 MODULE = Imager PACKAGE = Imager::FillHandle PREFIX=IFILL_
3895 Imager::FillHandle fill
3898 IFILL_CLONE_SKIP(...)
3900 (void)items; /* avoid unused warning for XS variable */
3905 MODULE = Imager PACKAGE = Imager
3908 i_new_fill_solid(cl, combine)
3913 i_new_fill_solidf(cl, combine)
3914 Imager::Color::Float cl
3918 i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy)
3926 unsigned char *cust_hatch;
3930 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3934 RETVAL = i_new_fill_hatch(fg, bg, combine, hatch, cust_hatch, dx, dy);
3939 i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy)
3940 Imager::Color::Float fg
3941 Imager::Color::Float bg
3947 unsigned char *cust_hatch;
3951 cust_hatch = (unsigned char *)SvPV(ST(4), len);
3955 RETVAL = i_new_fill_hatchf(fg, bg, combine, hatch, cust_hatch, dx, dy);
3960 i_new_fill_image(src, matrix, xoff, yoff, combine)
3977 if (!SvROK(ST(1)) || SvTYPE(SvRV(ST(1))) != SVt_PVAV)
3978 croak("i_new_fill_image: parameter must be an arrayref");
3979 av=(AV*)SvRV(ST(1));
3983 for (i = 0; i < len; ++i) {
3984 sv1=(*(av_fetch(av,i,0)));
3985 matrix[i] = SvNV(sv1);
3991 RETVAL = i_new_fill_image(src, matrixp, xoff, yoff, combine);
3995 MODULE = Imager PACKAGE = Imager::Internal::Hlines PREFIX=i_int_hlines_
3997 # this class is only exposed for testing
4000 i_int_hlines_testing()
4002 #if i_int_hlines_testing()
4004 Imager::Internal::Hlines
4005 i_int_hlines_new(start_y, count_y, start_x, count_x)
4011 Imager::Internal::Hlines
4012 i_int_hlines_new_img(im)
4016 i_int_hlines_add(hlines, y, minx, width)
4017 Imager::Internal::Hlines hlines
4023 i_int_hlines_DESTROY(hlines)
4024 Imager::Internal::Hlines hlines
4027 i_int_hlines_dump(hlines)
4028 Imager::Internal::Hlines hlines
4031 i_int_hlines_CLONE_SKIP(cls)
4035 MODULE = Imager PACKAGE = Imager::Context PREFIX=im_context_
4038 im_context_DESTROY(ctx)
4041 #ifdef PERL_IMPLICIT_CONTEXT
4044 im_context_CLONE(...)
4048 /* the following sv_setref_pv() will free this inc */
4049 im_context_refinc(MY_CXT.ctx, "CLONE");
4050 MY_CXT.ctx = im_context_clone(MY_CXT.ctx, "CLONE");
4051 sv_setref_pv(get_sv("Imager::_context", GV_ADD), "Imager::Context", MY_CXT.ctx);
4056 PERL_SET_GLOBAL_CALLBACKS;
4057 PERL_PL_SET_GLOBAL_CALLBACKS;
4058 #ifdef PERL_IMPLICIT_CONTEXT
4064 start_context(aTHX);
4065 im_get_context = perl_get_context;