48 #include "magick/studio.h" 49 #include "magick/annotate.h" 50 #include "magick/artifact.h" 51 #include "magick/blob.h" 52 #include "magick/cache.h" 53 #include "magick/cache-private.h" 54 #include "magick/cache-view.h" 55 #include "magick/channel.h" 56 #include "magick/color.h" 57 #include "magick/color-private.h" 58 #include "magick/colorspace.h" 59 #include "magick/colorspace-private.h" 60 #include "magick/composite.h" 61 #include "magick/composite-private.h" 62 #include "magick/constitute.h" 63 #include "magick/draw.h" 64 #include "magick/draw-private.h" 65 #include "magick/enhance.h" 66 #include "magick/exception.h" 67 #include "magick/exception-private.h" 68 #include "magick/gem.h" 69 #include "magick/geometry.h" 70 #include "magick/image-private.h" 71 #include "magick/list.h" 72 #include "magick/log.h" 73 #include "magick/magick.h" 74 #include "magick/memory-private.h" 75 #include "magick/monitor.h" 76 #include "magick/monitor-private.h" 77 #include "magick/option.h" 78 #include "magick/paint.h" 79 #include "magick/pixel-accessor.h" 80 #include "magick/pixel-private.h" 81 #include "magick/property.h" 82 #include "magick/resample.h" 83 #include "magick/resample-private.h" 84 #include "magick/resource_.h" 85 #include "magick/splay-tree.h" 86 #include "magick/string_.h" 87 #include "magick/string-private.h" 88 #include "magick/thread-private.h" 89 #include "magick/token.h" 90 #include "magick/transform.h" 91 #include "magick/utility.h" 96 #define AntialiasThreshold (1.0/3.0) 97 #define BezierQuantum 200 98 #define PrimitiveExtentPad 4296.0 99 #define MaxBezierCoordinates 67108864 100 #define ThrowPointExpectedException(image,token) \ 102 (void) ThrowMagickException(&(image)->exception,GetMagickModule(),DrawError, \ 103 "NonconformingDrawingPrimitiveDefinition","`%s'",token); \ 104 status=MagickFalse; \ 194 *DrawClippingMask(
Image *,
const DrawInfo *,
const char *,
const char *,
197 static MagickBooleanType
202 const double,
const MagickBooleanType,
const MagickBooleanType),
203 TraceBezier(
MVGInfo *,
const size_t),
209 TraceSquareLinecap(
PrimitiveInfo *,
const size_t,
const double);
235 MagickExport
DrawInfo *AcquireDrawInfo(
void)
240 draw_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*draw_info));
241 GetDrawInfo((
ImageInfo *) NULL,draw_info);
278 clone_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*clone_info));
279 GetDrawInfo(image_info,clone_info);
282 if (draw_info->id != (
char *) NULL)
283 (void) CloneString(&clone_info->id,draw_info->id);
284 if (draw_info->primitive != (
char *) NULL)
285 (
void) CloneString(&clone_info->primitive,draw_info->primitive);
286 if (draw_info->geometry != (
char *) NULL)
287 (void) CloneString(&clone_info->geometry,draw_info->geometry);
288 clone_info->compliance=draw_info->compliance;
289 clone_info->viewbox=draw_info->viewbox;
290 clone_info->affine=draw_info->affine;
291 clone_info->gravity=draw_info->gravity;
292 clone_info->fill=draw_info->fill;
293 clone_info->stroke=draw_info->stroke;
294 clone_info->stroke_width=draw_info->stroke_width;
295 if (draw_info->fill_pattern != (
Image *) NULL)
296 clone_info->fill_pattern=CloneImage(draw_info->fill_pattern,0,0,MagickTrue,
297 &draw_info->fill_pattern->exception);
299 if (draw_info->tile != (
Image *) NULL)
300 clone_info->fill_pattern=CloneImage(draw_info->tile,0,0,MagickTrue,
301 &draw_info->tile->exception);
302 clone_info->tile=NewImageList();
303 if (draw_info->stroke_pattern != (
Image *) NULL)
304 clone_info->stroke_pattern=CloneImage(draw_info->stroke_pattern,0,0,
305 MagickTrue,&draw_info->stroke_pattern->exception);
306 clone_info->stroke_antialias=draw_info->stroke_antialias;
307 clone_info->text_antialias=draw_info->text_antialias;
308 clone_info->fill_rule=draw_info->fill_rule;
309 clone_info->linecap=draw_info->linecap;
310 clone_info->linejoin=draw_info->linejoin;
311 clone_info->miterlimit=draw_info->miterlimit;
312 clone_info->dash_offset=draw_info->dash_offset;
313 clone_info->decorate=draw_info->decorate;
314 clone_info->compose=draw_info->compose;
315 if (draw_info->text != (
char *) NULL)
316 (void) CloneString(&clone_info->text,draw_info->text);
317 if (draw_info->font != (
char *) NULL)
318 (
void) CloneString(&clone_info->font,draw_info->font);
319 if (draw_info->metrics != (
char *) NULL)
320 (void) CloneString(&clone_info->metrics,draw_info->metrics);
321 if (draw_info->family != (
char *) NULL)
322 (
void) CloneString(&clone_info->family,draw_info->family);
323 clone_info->style=draw_info->style;
324 clone_info->stretch=draw_info->stretch;
325 clone_info->weight=draw_info->weight;
326 if (draw_info->encoding != (
char *) NULL)
327 (void) CloneString(&clone_info->encoding,draw_info->encoding);
328 clone_info->pointsize=draw_info->pointsize;
329 clone_info->kerning=draw_info->kerning;
330 clone_info->interline_spacing=draw_info->interline_spacing;
331 clone_info->interword_spacing=draw_info->interword_spacing;
332 clone_info->direction=draw_info->direction;
333 if (draw_info->density != (
char *) NULL)
334 (
void) CloneString(&clone_info->density,draw_info->density);
335 clone_info->align=draw_info->align;
336 clone_info->undercolor=draw_info->undercolor;
337 clone_info->border_color=draw_info->border_color;
338 if (draw_info->server_name != (
char *) NULL)
339 (void) CloneString(&clone_info->server_name,draw_info->server_name);
340 if (draw_info->dash_pattern != (
double *) NULL)
345 for (x=0; fabs(draw_info->dash_pattern[x]) >= MagickEpsilon; x++) ;
346 clone_info->dash_pattern=(
double *) AcquireQuantumMemory((
size_t) (2*x+2),
347 sizeof(*clone_info->dash_pattern));
348 if (clone_info->dash_pattern == (
double *) NULL)
349 ThrowFatalException(ResourceLimitFatalError,
350 "UnableToAllocateDashPattern");
351 (void) memset(clone_info->dash_pattern,0,(
size_t) (2*x+2)*
352 sizeof(*clone_info->dash_pattern));
353 (void) memcpy(clone_info->dash_pattern,draw_info->dash_pattern,(
size_t)
354 (x+1)*
sizeof(*clone_info->dash_pattern));
356 clone_info->gradient=draw_info->gradient;
357 if (draw_info->gradient.stops != (
StopInfo *) NULL)
362 number_stops=clone_info->gradient.number_stops;
363 clone_info->gradient.stops=(
StopInfo *) AcquireQuantumMemory((
size_t)
364 number_stops,
sizeof(*clone_info->gradient.stops));
365 if (clone_info->gradient.stops == (
StopInfo *) NULL)
366 ThrowFatalException(ResourceLimitFatalError,
367 "UnableToAllocateDashPattern");
368 (void) memcpy(clone_info->gradient.stops,draw_info->gradient.stops,
369 (
size_t) number_stops*
sizeof(*clone_info->gradient.stops));
371 clone_info->bounds=draw_info->bounds;
372 clone_info->fill_opacity=draw_info->fill_opacity;
373 clone_info->stroke_opacity=draw_info->stroke_opacity;
374 clone_info->element_reference=draw_info->element_reference;
375 clone_info->clip_path=draw_info->clip_path;
376 clone_info->clip_units=draw_info->clip_units;
377 if (draw_info->clip_mask != (
char *) NULL)
378 (
void) CloneString(&clone_info->clip_mask,draw_info->clip_mask);
379 if (draw_info->clipping_mask != (
Image *) NULL)
380 clone_info->clipping_mask=CloneImage(draw_info->clipping_mask,0,0,
381 MagickTrue,&draw_info->clipping_mask->exception);
382 if (draw_info->composite_mask != (
Image *) NULL)
383 clone_info->composite_mask=CloneImage(draw_info->composite_mask,0,0,
384 MagickTrue,&draw_info->composite_mask->exception);
385 clone_info->render=draw_info->render;
386 clone_info->debug=draw_info->debug;
427 if (polygon_info->edges != (
EdgeInfo *) NULL)
429 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
430 if (polygon_info->edges[i].points != (
PointInfo *) NULL)
431 polygon_info->edges[i].points=(
PointInfo *)
432 RelinquishMagickMemory(polygon_info->edges[i].points);
433 polygon_info->edges=(
EdgeInfo *) RelinquishMagickMemory(
434 polygon_info->edges);
436 return((
PolygonInfo *) RelinquishMagickMemory(polygon_info));
439 #if defined(__cplusplus) || defined(c_plusplus) 443 static int DrawCompareEdges(
const void *p_edge,
const void *q_edge)
445 #define DrawCompareEdge(p,q) \ 447 if (((p)-(q)) < 0.0) \ 449 if (((p)-(q)) > 0.0) \ 460 p=((
const EdgeInfo *) p_edge)->points;
461 q=((
const EdgeInfo *) q_edge)->points;
462 DrawCompareEdge(p[0].y,q[0].y);
463 DrawCompareEdge(p[0].x,q[0].x);
464 DrawCompareEdge((p[1].x-p[0].x)*(q[1].y-q[0].y),(p[1].y-p[0].y)*
466 DrawCompareEdge(p[1].y,q[1].y);
467 DrawCompareEdge(p[1].x,q[1].x);
471 #if defined(__cplusplus) || defined(c_plusplus) 475 static void LogPolygonInfo(
const PolygonInfo *polygon_info)
484 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin active-edge");
485 p=polygon_info->edges;
486 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
488 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" edge %.20g:",
490 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" direction: %s",
491 p->direction != MagickFalse ?
"down" :
"up");
492 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" ghostline: %s",
493 p->ghostline != MagickFalse ?
"transparent" :
"opaque");
494 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
495 " bounds: %g,%g - %g,%g",p->bounds.x1,p->bounds.y1,
496 p->bounds.x2,p->bounds.y2);
497 for (j=0; j < (ssize_t) p->number_points; j++)
498 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %g,%g",
499 p->points[j].x,p->points[j].y);
502 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end active-edge");
505 static void ReversePoints(
PointInfo *points,
const size_t number_points)
513 for (i=0; i < (ssize_t) (number_points >> 1); i++)
516 points[i]=points[number_points-(i+1)];
517 points[number_points-(i+1)]=point;
553 polygon_info=(
PolygonInfo *) AcquireMagickMemory(
sizeof(*polygon_info));
556 (void) ThrowMagickException(exception,GetMagickModule(),
557 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
561 polygon_info->edges=(
EdgeInfo *) AcquireQuantumMemory(number_edges,
562 sizeof(*polygon_info->edges));
563 if (polygon_info->edges == (
EdgeInfo *) NULL)
565 (void) ThrowMagickException(exception,GetMagickModule(),
566 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
567 return(DestroyPolygonInfo(polygon_info));
569 (void) memset(polygon_info->edges,0,number_edges*
570 sizeof(*polygon_info->edges));
573 ghostline=MagickFalse;
577 (void) memset(&point,0,
sizeof(point));
578 (void) memset(&bounds,0,
sizeof(bounds));
579 polygon_info->edges[edge].number_points=(size_t) n;
580 polygon_info->edges[edge].scanline=0.0;
581 polygon_info->edges[edge].highwater=0;
582 polygon_info->edges[edge].ghostline=ghostline;
583 polygon_info->edges[edge].direction=(ssize_t) direction;
584 polygon_info->edges[edge].points=points;
585 polygon_info->edges[edge].bounds=bounds;
586 polygon_info->number_edges=0;
587 for (i=0; path_info[i].code != EndCode; i++)
589 if ((path_info[i].code == MoveToCode) || (path_info[i].code == OpenCode) ||
590 (path_info[i].code == GhostlineCode))
595 if ((points != (
PointInfo *) NULL) && (n >= 2))
597 if (edge == number_edges)
600 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
601 polygon_info->edges,(
size_t) number_edges,
602 sizeof(*polygon_info->edges));
603 if (polygon_info->edges == (
EdgeInfo *) NULL)
605 (void) ThrowMagickException(exception,GetMagickModule(),
606 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
607 points=(
PointInfo *) RelinquishMagickMemory(points);
608 return(DestroyPolygonInfo(polygon_info));
611 polygon_info->edges[edge].number_points=(size_t) n;
612 polygon_info->edges[edge].scanline=(-1.0);
613 polygon_info->edges[edge].highwater=0;
614 polygon_info->edges[edge].ghostline=ghostline;
615 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
617 ReversePoints(points,(
size_t) n);
618 polygon_info->edges[edge].points=points;
619 polygon_info->edges[edge].bounds=bounds;
620 polygon_info->edges[edge].bounds.y1=points[0].y;
621 polygon_info->edges[edge].bounds.y2=points[n-1].y;
623 ghostline=MagickFalse;
625 polygon_info->number_edges=edge;
630 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
634 (void) ThrowMagickException(exception,GetMagickModule(),
635 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
636 return(DestroyPolygonInfo(polygon_info));
639 ghostline=path_info[i].code == GhostlineCode ? MagickTrue : MagickFalse;
640 point=path_info[i].point;
651 next_direction=((path_info[i].point.y > point.y) ||
652 ((fabs(path_info[i].point.y-point.y) < MagickEpsilon) &&
653 (path_info[i].point.x > point.x))) ? 1 : -1;
654 if ((points != (
PointInfo *) NULL) && (direction != 0) &&
655 (direction != next_direction))
661 if (edge == number_edges)
664 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
665 polygon_info->edges,(
size_t) number_edges,
666 sizeof(*polygon_info->edges));
667 if (polygon_info->edges == (
EdgeInfo *) NULL)
669 (void) ThrowMagickException(exception,GetMagickModule(),
670 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
671 points=(
PointInfo *) RelinquishMagickMemory(points);
672 return(DestroyPolygonInfo(polygon_info));
675 polygon_info->edges[edge].number_points=(size_t) n;
676 polygon_info->edges[edge].scanline=(-1.0);
677 polygon_info->edges[edge].highwater=0;
678 polygon_info->edges[edge].ghostline=ghostline;
679 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
681 ReversePoints(points,(
size_t) n);
682 polygon_info->edges[edge].points=points;
683 polygon_info->edges[edge].bounds=bounds;
684 polygon_info->edges[edge].bounds.y1=points[0].y;
685 polygon_info->edges[edge].bounds.y2=points[n-1].y;
686 polygon_info->number_edges=edge+1;
689 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
693 (void) ThrowMagickException(exception,GetMagickModule(),
694 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
695 return(DestroyPolygonInfo(polygon_info));
698 ghostline=MagickFalse;
704 direction=next_direction;
707 if (n == (ssize_t) number_points)
710 points=(
PointInfo *) ResizeQuantumMemory(points,(
size_t) number_points,
714 (void) ThrowMagickException(exception,GetMagickModule(),
715 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
716 return(DestroyPolygonInfo(polygon_info));
719 point=path_info[i].point;
721 if (point.x < bounds.x1)
723 if (point.x > bounds.x2)
730 points=(
PointInfo *) RelinquishMagickMemory(points);
733 if (edge == number_edges)
736 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
737 polygon_info->edges,(
size_t) number_edges,
738 sizeof(*polygon_info->edges));
739 if (polygon_info->edges == (
EdgeInfo *) NULL)
741 (void) ThrowMagickException(exception,GetMagickModule(),
742 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
743 return(DestroyPolygonInfo(polygon_info));
746 polygon_info->edges[edge].number_points=(size_t) n;
747 polygon_info->edges[edge].scanline=(-1.0);
748 polygon_info->edges[edge].highwater=0;
749 polygon_info->edges[edge].ghostline=ghostline;
750 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
752 ReversePoints(points,(
size_t) n);
753 polygon_info->edges[edge].points=points;
754 polygon_info->edges[edge].bounds=bounds;
755 polygon_info->edges[edge].bounds.y1=points[0].y;
756 polygon_info->edges[edge].bounds.y2=points[n-1].y;
758 ghostline=MagickFalse;
760 polygon_info->number_edges=edge;
763 polygon_info->number_edges=edge;
764 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(polygon_info->edges,
765 polygon_info->number_edges,
sizeof(*polygon_info->edges));
766 if (polygon_info->edges == (
EdgeInfo *) NULL)
768 (void) ThrowMagickException(exception,GetMagickModule(),
769 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
770 return(DestroyPolygonInfo(polygon_info));
772 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
777 edge_info=polygon_info->edges+i;
778 edge_info->points=(
PointInfo *) ResizeQuantumMemory(edge_info->points,
779 edge_info->number_points,
sizeof(*edge_info->points));
780 if (edge_info->points == (
PointInfo *) NULL)
782 (void) ThrowMagickException(exception,GetMagickModule(),
783 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
784 return(DestroyPolygonInfo(polygon_info));
787 qsort(polygon_info->edges,(
size_t) polygon_info->number_edges,
788 sizeof(*polygon_info->edges),DrawCompareEdges);
789 if ((GetLogEventMask() & DrawEvent) != 0)
790 LogPolygonInfo(polygon_info);
791 return(polygon_info);
825 static void LogPathInfo(
const PathInfo *path_info)
830 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin vector-path");
831 for (p=path_info; p->code != EndCode; p++)
832 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
833 " %g,%g %s",p->point.x,p->point.y,p->code == GhostlineCode ?
834 "moveto ghostline" : p->code == OpenCode ?
"moveto open" :
835 p->code == MoveToCode ?
"moveto" : p->code == LineToCode ?
"lineto" :
837 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end vector-path");
840 static PathInfo *ConvertPrimitiveToPath(
865 magick_unreferenced(draw_info);
870 switch (primitive_info->primitive)
881 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
882 path_info=(
PathInfo *) AcquireQuantumMemory((
size_t) (3UL*i+1UL),
886 (void) ThrowMagickException(exception,GetMagickModule(),
887 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
891 closed_subpath=MagickFalse;
898 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
901 if (coordinates <= 0)
906 coordinates=(ssize_t) primitive_info[i].coordinates;
907 p=primitive_info[i].point;
910 closed_subpath=primitive_info[i].closed_subpath;
913 if ((code == MoveToCode) || (coordinates <= 0) ||
914 (fabs(q.x-primitive_info[i].point.x) >= MagickEpsilon) ||
915 (fabs(q.y-primitive_info[i].point.y) >= MagickEpsilon))
920 path_info[n].code=code;
921 path_info[n].point=primitive_info[i].point;
922 q=primitive_info[i].point;
927 if (closed_subpath != MagickFalse)
929 closed_subpath=MagickFalse;
935 path_info[start].code=OpenCode;
936 path_info[n].code=GhostlineCode;
937 path_info[n].point=primitive_info[i].point;
939 path_info[n].code=LineToCode;
940 path_info[n].point=p;
943 path_info[n].code=EndCode;
944 path_info[n].point.x=0.0;
945 path_info[n].point.y=0.0;
946 if (IsEventLogging() != MagickFalse)
947 LogPathInfo(path_info);
948 path_info=(
PathInfo *) ResizeQuantumMemory(path_info,(
size_t) (n+1),
977 assert(draw_info != (
DrawInfo *) NULL);
978 assert(draw_info->signature == MagickCoreSignature);
979 if (IsEventLogging() != MagickFalse)
980 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
981 if (draw_info->id != (
char *) NULL)
982 draw_info->id=DestroyString(draw_info->id);
983 if (draw_info->primitive != (
char *) NULL)
984 draw_info->primitive=DestroyString(draw_info->primitive);
985 if (draw_info->text != (
char *) NULL)
986 draw_info->text=DestroyString(draw_info->text);
987 if (draw_info->geometry != (
char *) NULL)
988 draw_info->geometry=DestroyString(draw_info->geometry);
989 if (draw_info->tile != (
Image *) NULL)
990 draw_info->tile=DestroyImage(draw_info->tile);
991 if (draw_info->fill_pattern != (
Image *) NULL)
992 draw_info->fill_pattern=DestroyImage(draw_info->fill_pattern);
993 if (draw_info->stroke_pattern != (
Image *) NULL)
994 draw_info->stroke_pattern=DestroyImage(draw_info->stroke_pattern);
995 if (draw_info->font != (
char *) NULL)
996 draw_info->font=DestroyString(draw_info->font);
997 if (draw_info->metrics != (
char *) NULL)
998 draw_info->metrics=DestroyString(draw_info->metrics);
999 if (draw_info->family != (
char *) NULL)
1000 draw_info->family=DestroyString(draw_info->family);
1001 if (draw_info->encoding != (
char *) NULL)
1002 draw_info->encoding=DestroyString(draw_info->encoding);
1003 if (draw_info->density != (
char *) NULL)
1004 draw_info->density=DestroyString(draw_info->density);
1005 if (draw_info->server_name != (
char *) NULL)
1006 draw_info->server_name=(
char *)
1007 RelinquishMagickMemory(draw_info->server_name);
1008 if (draw_info->dash_pattern != (
double *) NULL)
1009 draw_info->dash_pattern=(
double *) RelinquishMagickMemory(
1010 draw_info->dash_pattern);
1011 if (draw_info->gradient.stops != (
StopInfo *) NULL)
1012 draw_info->gradient.stops=(
StopInfo *) RelinquishMagickMemory(
1013 draw_info->gradient.stops);
1014 if (draw_info->clip_mask != (
char *) NULL)
1015 draw_info->clip_mask=DestroyString(draw_info->clip_mask);
1016 if (draw_info->clipping_mask != (
Image *) NULL)
1017 draw_info->clipping_mask=DestroyImage(draw_info->clipping_mask);
1018 if (draw_info->composite_mask != (
Image *) NULL)
1019 draw_info->composite_mask=DestroyImage(draw_info->composite_mask);
1020 if (draw_info->image_info != (
ImageInfo *) NULL)
1021 draw_info->image_info=DestroyImageInfo(draw_info->image_info);
1022 draw_info->signature=(~MagickCoreSignature);
1023 draw_info=(
DrawInfo *) RelinquishMagickMemory(draw_info);
1072 inverse_edge.x1=edge->x1;
1073 inverse_edge.y1=edge->y1;
1074 inverse_edge.x2=edge->x2;
1075 inverse_edge.y2=edge->y2;
1076 z=affine->ry*y+affine->tx;
1077 if (affine->sx >= MagickEpsilon)
1079 intercept=(-z/affine->sx);
1081 if (x > inverse_edge.x1)
1083 intercept=(-z+(double) image->columns)/affine->sx;
1085 if (x < inverse_edge.x2)
1089 if (affine->sx < -MagickEpsilon)
1091 intercept=(-z+(double) image->columns)/affine->sx;
1093 if (x > inverse_edge.x1)
1095 intercept=(-z/affine->sx);
1097 if (x < inverse_edge.x2)
1101 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->columns))
1103 inverse_edge.x2=edge->x1;
1104 return(inverse_edge);
1109 z=affine->sy*y+affine->ty;
1110 if (affine->rx >= MagickEpsilon)
1112 intercept=(-z/affine->rx);
1114 if (x > inverse_edge.x1)
1116 intercept=(-z+(double) image->rows)/affine->rx;
1118 if (x < inverse_edge.x2)
1122 if (affine->rx < -MagickEpsilon)
1124 intercept=(-z+(double) image->rows)/affine->rx;
1126 if (x > inverse_edge.x1)
1128 intercept=(-z/affine->rx);
1130 if (x < inverse_edge.x2)
1134 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->rows))
1136 inverse_edge.x2=edge->x2;
1137 return(inverse_edge);
1139 return(inverse_edge);
1150 determinant=PerceptibleReciprocal(affine->sx*affine->sy-affine->rx*
1152 inverse_affine.sx=determinant*affine->sy;
1153 inverse_affine.rx=determinant*(-affine->rx);
1154 inverse_affine.ry=determinant*(-affine->ry);
1155 inverse_affine.sy=determinant*affine->sx;
1156 inverse_affine.tx=(-affine->tx)*inverse_affine.sx-affine->ty*
1158 inverse_affine.ty=(-affine->tx)*inverse_affine.rx-affine->ty*
1160 return(inverse_affine);
1163 MagickExport MagickBooleanType DrawAffineImage(
Image *image,
1202 assert(image != (
Image *) NULL);
1203 assert(image->signature == MagickCoreSignature);
1204 assert(source != (
const Image *) NULL);
1205 assert(source->signature == MagickCoreSignature);
1206 if (IsEventLogging() != MagickFalse)
1207 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1211 extent[1].x=(double) source->columns;
1213 extent[2].x=(
double) source->columns;
1214 extent[2].y=(double) source->rows;
1216 extent[3].y=(
double) source->rows;
1217 for (i=0; i < 4; i++)
1220 extent[i].x=point.x*affine->sx+point.y*affine->ry+affine->tx;
1221 extent[i].y=point.x*affine->rx+point.y*affine->sy+affine->ty;
1225 for (i=1; i < 4; i++)
1227 if (min.x > extent[i].x)
1229 if (min.y > extent[i].y)
1231 if (max.x < extent[i].x)
1233 if (max.y < extent[i].y)
1239 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
1240 return(MagickFalse);
1246 inverse_affine=InverseAffineMatrix(affine);
1249 if (edge.y2 > (image->rows-1.0))
1250 edge.y2=image->rows-1.0;
1251 GetMagickPixelPacket(image,&zero);
1252 exception=(&image->exception);
1253 start=CastDoubleToLong(ceil(edge.y1-0.5));
1254 stop=CastDoubleToLong(floor(edge.y2+0.5));
1255 source_view=AcquireVirtualCacheView(source,exception);
1256 image_view=AcquireAuthenticCacheView(image,exception);
1257 #if defined(MAGICKCORE_OPENMP_SUPPORT) 1258 #pragma omp parallel for schedule(static) shared(status) \ 1259 magick_number_threads(source,image,stop-start,1) 1261 for (y=start; y <= stop; y++)
1264 *magick_restrict indexes;
1283 if (status == MagickFalse)
1285 inverse_edge=AffineEdge(source,&inverse_affine,(
double) y,&edge);
1286 if (inverse_edge.x2 < inverse_edge.x1)
1288 if (inverse_edge.x1 < 0.0)
1289 inverse_edge.x1=0.0;
1290 if (inverse_edge.x2 > image->columns-1.0)
1291 inverse_edge.x2=image->columns-1.0;
1292 q=GetCacheViewAuthenticPixels(image_view,CastDoubleToLong(
1293 ceil(inverse_edge.x1-0.5)),y,(
size_t) CastDoubleToLong(floor(
1294 inverse_edge.x2+0.5)-ceil(inverse_edge.x1-0.5)+1),1,exception);
1297 indexes=GetCacheViewAuthenticIndexQueue(image_view);
1301 for (x=CastDoubleToLong(ceil(inverse_edge.x1-0.5));
1302 x <= CastDoubleToLong(floor(inverse_edge.x2+0.5)); x++)
1304 point.x=(double) x*inverse_affine.sx+y*inverse_affine.ry+
1306 point.y=(
double) x*inverse_affine.rx+y*inverse_affine.sy+
1308 status=InterpolateMagickPixelPacket(source,source_view,
1309 UndefinedInterpolatePixel,point.x,point.y,&pixel,exception);
1310 if (status == MagickFalse)
1312 SetMagickPixelPacket(image,q,indexes+x_offset,&composite);
1313 MagickPixelCompositeOver(&pixel,pixel.opacity,&composite,
1314 composite.opacity,&composite);
1315 SetPixelPacket(image,&composite,q,indexes+x_offset);
1319 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1322 source_view=DestroyCacheView(source_view);
1323 image_view=DestroyCacheView(image_view);
1356 static MagickBooleanType DrawBoundingRectangles(
Image *image,
1385 (void) memset(primitive_info,0,
sizeof(primitive_info));
1386 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1387 status=QueryColorDatabase(
"#0000",&clone_info->fill,&image->exception);
1388 if (status == MagickFalse)
1390 clone_info=DestroyDrawInfo(clone_info);
1391 return(MagickFalse);
1395 if (clone_info->density != (
char *) NULL)
1403 flags=ParseGeometry(clone_info->density,&geometry_info);
1404 if ((flags & RhoValue) != 0)
1405 resolution.x=geometry_info.rho;
1406 resolution.y=resolution.x;
1407 if ((flags & SigmaValue) != 0)
1408 resolution.y=geometry_info.sigma;
1410 mid=(resolution.x/96.0)*ExpandAffine(&clone_info->affine)*
1411 clone_info->stroke_width/2.0;
1418 bounds=polygon_info->edges[0].bounds;
1419 for (i=1; i < (ssize_t) polygon_info->number_edges; i++)
1421 if (polygon_info->edges[i].bounds.x1 < (
double) bounds.x1)
1422 bounds.x1=polygon_info->edges[i].bounds.x1;
1423 if (polygon_info->edges[i].bounds.y1 < (
double) bounds.y1)
1424 bounds.y1=polygon_info->edges[i].bounds.y1;
1425 if (polygon_info->edges[i].bounds.x2 > (
double) bounds.x2)
1426 bounds.x2=polygon_info->edges[i].bounds.x2;
1427 if (polygon_info->edges[i].bounds.y2 > (
double) bounds.y2)
1428 bounds.y2=polygon_info->edges[i].bounds.y2;
1431 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double)
1432 image->columns ? (
double) image->columns-1 : bounds.x1;
1434 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double)
1435 image->rows ? (
double) image->rows-1 : bounds.y1;
1437 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double)
1438 image->columns ? (
double) image->columns-1 : bounds.x2;
1440 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double)
1441 image->rows ? (
double) image->rows-1 : bounds.y2;
1442 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
1444 if (polygon_info->edges[i].direction != 0)
1445 status=QueryColorDatabase(
"#f00",&clone_info->stroke,
1448 status=QueryColorDatabase(
"#0f0",&clone_info->stroke,
1450 if (status == MagickFalse)
1452 start.x=(double) (polygon_info->edges[i].bounds.x1-mid);
1453 start.y=(double) (polygon_info->edges[i].bounds.y1-mid);
1454 end.x=(double) (polygon_info->edges[i].bounds.x2+mid);
1455 end.y=(double) (polygon_info->edges[i].bounds.y2+mid);
1456 primitive_info[0].primitive=RectanglePrimitive;
1457 status&=TraceRectangle(primitive_info,start,end);
1458 primitive_info[0].method=ReplaceMethod;
1459 coordinates=(ssize_t) primitive_info[0].coordinates;
1460 primitive_info[coordinates].primitive=UndefinedPrimitive;
1461 status=DrawPrimitive(image,clone_info,primitive_info);
1462 if (status == MagickFalse)
1465 if (i < (ssize_t) polygon_info->number_edges)
1467 clone_info=DestroyDrawInfo(clone_info);
1468 return(status == 0 ? MagickFalse : MagickTrue);
1471 status=QueryColorDatabase(
"#00f",&clone_info->stroke,&image->exception);
1472 if (status == MagickFalse)
1474 clone_info=DestroyDrawInfo(clone_info);
1475 return(MagickFalse);
1477 start.x=(double) (bounds.x1-mid);
1478 start.y=(double) (bounds.y1-mid);
1479 end.x=(double) (bounds.x2+mid);
1480 end.y=(double) (bounds.y2+mid);
1481 primitive_info[0].primitive=RectanglePrimitive;
1482 status&=TraceRectangle(primitive_info,start,end);
1483 primitive_info[0].method=ReplaceMethod;
1484 coordinates=(ssize_t) primitive_info[0].coordinates;
1485 primitive_info[coordinates].primitive=UndefinedPrimitive;
1486 status=DrawPrimitive(image,clone_info,primitive_info);
1487 clone_info=DestroyDrawInfo(clone_info);
1488 return(status == 0 ? MagickFalse : MagickTrue);
1518 MagickExport MagickBooleanType DrawClipPath(
Image *image,
1519 const DrawInfo *draw_info,
const char *
id)
1530 clip_path=GetImageArtifact(image,
id);
1531 if (clip_path == (
const char *) NULL)
1532 return(MagickFalse);
1533 clipping_mask=DrawClippingMask(image,draw_info,draw_info->clip_mask,clip_path,
1535 if (clipping_mask == (
Image *) NULL)
1536 return(MagickFalse);
1537 status=SetImageClipMask(image,clipping_mask);
1538 clipping_mask=DestroyImage(clipping_mask);
1575 const char *
id,
const char *clip_path,
ExceptionInfo *exception)
1589 assert(image != (
Image *) NULL);
1590 assert(image->signature == MagickCoreSignature);
1591 assert(draw_info != (
const DrawInfo *) NULL);
1592 if (IsEventLogging() != MagickFalse)
1593 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1594 clip_mask=AcquireImage((
const ImageInfo *) NULL);
1595 status=SetImageExtent(clip_mask,image->columns,image->rows);
1596 if (status == MagickFalse)
1597 return(DestroyImage(clip_mask));
1598 status=SetImageClipMask(image,(
Image *) NULL);
1599 status=QueryColorCompliance(
"#0000",AllCompliance,
1600 &clip_mask->background_color,exception);
1601 clip_mask->background_color.opacity=(Quantum) TransparentOpacity;
1602 status=SetImageBackgroundColor(clip_mask);
1603 if (draw_info->debug != MagickFalse)
1604 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin clip-path %s",
1606 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1607 (void) CloneString(&clone_info->primitive,clip_path);
1608 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1610 if (clone_info->clip_mask != (
char *) NULL)
1611 clone_info->clip_mask=DestroyString(clone_info->clip_mask);
1612 (void) QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1614 clone_info->stroke_width=0.0;
1615 clone_info->opacity=OpaqueOpacity;
1616 clone_info->clip_path=MagickTrue;
1617 status=RenderMVGContent(clip_mask,clone_info,0);
1618 clone_info=DestroyDrawInfo(clone_info);
1619 status&=SeparateImageChannel(clip_mask,TrueAlphaChannel);
1620 if (draw_info->compliance != SVGCompliance)
1621 status&=NegateImage(clip_mask,MagickFalse);
1622 if (status == MagickFalse)
1623 clip_mask=DestroyImage(clip_mask);
1624 if (draw_info->debug != MagickFalse)
1625 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end clip-path");
1661 const char *
id,
const char *mask_path,
ExceptionInfo *exception)
1675 assert(image != (
Image *) NULL);
1676 assert(image->signature == MagickCoreSignature);
1677 assert(draw_info != (
const DrawInfo *) NULL);
1678 if (IsEventLogging() != MagickFalse)
1679 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1680 composite_mask=AcquireImage((
const ImageInfo *) NULL);
1681 status=SetImageExtent(composite_mask,image->columns,image->rows);
1682 if (status == MagickFalse)
1683 return(DestroyImage(composite_mask));
1684 status=SetImageMask(image,(
Image *) NULL);
1685 status=QueryColorCompliance(
"#0000",AllCompliance,
1686 &composite_mask->background_color,exception);
1687 composite_mask->background_color.opacity=(Quantum) TransparentOpacity;
1688 (void) SetImageBackgroundColor(composite_mask);
1689 if (draw_info->debug != MagickFalse)
1690 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin mask-path %s",
1692 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1693 (void) CloneString(&clone_info->primitive,mask_path);
1694 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1696 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1698 clone_info->stroke_width=0.0;
1699 clone_info->opacity=OpaqueOpacity;
1700 status=RenderMVGContent(composite_mask,clone_info,0);
1701 clone_info=DestroyDrawInfo(clone_info);
1702 status&=SeparateImageChannel(composite_mask,TrueAlphaChannel);
1703 status&=NegateImage(composite_mask,MagickFalse);
1704 if (status == MagickFalse)
1705 composite_mask=DestroyImage(composite_mask);
1706 if (draw_info->debug != MagickFalse)
1707 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end mask-path");
1708 return(composite_mask);
1740 static MagickBooleanType DrawDashPolygon(
const DrawInfo *draw_info,
1771 assert(draw_info != (
const DrawInfo *) NULL);
1772 if (draw_info->debug != MagickFalse)
1773 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1774 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1775 number_vertices=(size_t) i;
1776 dash_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1777 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1780 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1781 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1782 return(MagickFalse);
1784 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1785 sizeof(*dash_polygon));
1786 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1787 clone_info->miterlimit=0;
1788 dash_polygon[0]=primitive_info[0];
1789 scale=ExpandAffine(&draw_info->affine);
1790 length=scale*draw_info->dash_pattern[0];
1791 offset=fabs(draw_info->dash_offset) >= MagickEpsilon ?
1792 scale*draw_info->dash_offset : 0.0;
1794 for (n=0; offset > 0.0; j=0)
1796 if (draw_info->dash_pattern[n] <= 0.0)
1798 length=scale*(draw_info->dash_pattern[n]+(n == 0 ? -0.5 : 0.5));
1799 if (offset > length)
1803 length=scale*draw_info->dash_pattern[n];
1806 if (offset < length)
1818 for (i=1; (i < (ssize_t) number_vertices) && (length >= 0.0); i++)
1820 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
1821 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
1822 maximum_length=hypot(dx,dy);
1823 if (maximum_length > (
double) (MaxBezierCoordinates >> 2))
1825 if (fabs(length) < MagickEpsilon)
1827 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1829 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1831 length=scale*draw_info->dash_pattern[n];
1833 for (total_length=0.0; (length >= 0.0) && (maximum_length >= (total_length+length)); )
1835 total_length+=length;
1836 if ((n & 0x01) != 0)
1838 dash_polygon[0]=primitive_info[0];
1839 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1840 total_length*PerceptibleReciprocal(maximum_length));
1841 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1842 total_length*PerceptibleReciprocal(maximum_length));
1847 if ((j+1) > (ssize_t) number_vertices)
1849 dash_polygon[j]=primitive_info[i-1];
1850 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1851 total_length*PerceptibleReciprocal(maximum_length));
1852 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1853 total_length*PerceptibleReciprocal(maximum_length));
1854 dash_polygon[j].coordinates=1;
1856 dash_polygon[0].coordinates=(size_t) j;
1857 dash_polygon[j].primitive=UndefinedPrimitive;
1858 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1859 if (status == MagickFalse)
1862 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1864 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1866 length=scale*draw_info->dash_pattern[n];
1868 length-=(maximum_length-total_length);
1869 if ((n & 0x01) != 0)
1871 dash_polygon[j]=primitive_info[i];
1872 dash_polygon[j].coordinates=1;
1875 if ((status != MagickFalse) && (total_length < maximum_length) &&
1876 ((n & 0x01) == 0) && (j > 1))
1878 dash_polygon[j]=primitive_info[i-1];
1879 dash_polygon[j].point.x+=MagickEpsilon;
1880 dash_polygon[j].point.y+=MagickEpsilon;
1881 dash_polygon[j].coordinates=1;
1883 dash_polygon[0].coordinates=(size_t) j;
1884 dash_polygon[j].primitive=UndefinedPrimitive;
1885 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1887 dash_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1888 clone_info=DestroyDrawInfo(clone_info);
1889 if (draw_info->debug != MagickFalse)
1890 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1891 return(status != 0 ? MagickTrue : MagickFalse);
1920 static inline double GetStopColorOffset(
const GradientInfo *gradient,
1921 const ssize_t x,
const ssize_t y)
1923 switch (gradient->type)
1925 case UndefinedGradient:
1926 case LinearGradient:
1941 gradient_vector=(&gradient->gradient_vector);
1942 p.x=gradient_vector->x2-gradient_vector->x1;
1943 p.y=gradient_vector->y2-gradient_vector->y1;
1944 q.x=(double) x-gradient_vector->x1;
1945 q.y=(
double) y-gradient_vector->y1;
1946 length=sqrt(q.x*q.x+q.y*q.y);
1947 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1948 gamma=PerceptibleReciprocal(gamma);
1949 scale=p.x*q.x+p.y*q.y;
1950 offset=gamma*scale*length;
1953 case RadialGradient:
1958 if (gradient->spread == RepeatSpread)
1960 v.x=(double) x-gradient->center.x;
1961 v.y=(
double) y-gradient->center.y;
1962 return(sqrt(v.x*v.x+v.y*v.y));
1964 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1965 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1966 gradient->angle))))*PerceptibleReciprocal(gradient->radii.x);
1967 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1968 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1969 gradient->angle))))*PerceptibleReciprocal(gradient->radii.y);
1970 return(sqrt(v.x*v.x+v.y*v.y));
1976 MagickExport MagickBooleanType DrawGradientImage(
Image *image,
2013 assert(image != (
Image *) NULL);
2014 assert(image->signature == MagickCoreSignature);
2015 assert(draw_info != (
const DrawInfo *) NULL);
2016 if (IsEventLogging() != MagickFalse)
2017 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2018 gradient=(&draw_info->gradient);
2019 gradient_vector=(&gradient->gradient_vector);
2020 point.x=gradient_vector->x2-gradient_vector->x1;
2021 point.y=gradient_vector->y2-gradient_vector->y1;
2022 length=sqrt(point.x*point.x+point.y*point.y);
2023 bounding_box=gradient->bounding_box;
2025 exception=(&image->exception);
2026 GetMagickPixelPacket(image,&zero);
2027 image_view=AcquireAuthenticCacheView(image,exception);
2028 height=(size_t) (bounding_box.y+bounding_box.height);
2029 #if defined(MAGICKCORE_OPENMP_SUPPORT) 2030 #pragma omp parallel for schedule(static) shared(status) \ 2031 magick_number_threads(image,image,height,1) 2033 for (y=bounding_box.y; y < (ssize_t) height; y++)
2044 *magick_restrict indexes;
2055 if (status == MagickFalse)
2057 q=GetCacheViewAuthenticPixels(image_view,bounding_box.x,y,(
size_t)
2058 bounding_box.width,1,exception);
2064 indexes=GetCacheViewAuthenticIndexQueue(image_view);
2067 offset=GetStopColorOffset(gradient,0,y);
2068 if (gradient->type != RadialGradient)
2069 offset*=PerceptibleReciprocal(length);
2070 width=(size_t) (bounding_box.x+bounding_box.width);
2071 for (x=bounding_box.x; x < (ssize_t) width; x++)
2073 SetMagickPixelPacket(image,q,indexes+x,&pixel);
2074 switch (gradient->spread)
2076 case UndefinedSpread:
2079 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2080 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2082 offset=GetStopColorOffset(gradient,x,y);
2083 if (gradient->type != RadialGradient)
2084 offset*=PerceptibleReciprocal(length);
2086 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2087 if (offset < gradient->stops[i].offset)
2089 if ((offset < 0.0) || (i == 0))
2090 composite=gradient->stops[0].color;
2092 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2093 composite=gradient->stops[gradient->number_stops-1].color;
2098 alpha=(offset-gradient->stops[i].offset)/
2099 (gradient->stops[j].offset-gradient->stops[i].offset);
2100 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2101 &gradient->stops[j].color,alpha,&composite);
2107 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2108 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2110 offset=GetStopColorOffset(gradient,x,y);
2111 if (gradient->type != RadialGradient)
2112 offset*=PerceptibleReciprocal(length);
2116 if ((ssize_t) fmod(offset,2.0) == 0)
2117 offset=fmod(offset,1.0);
2119 offset=1.0-fmod(offset,1.0);
2120 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2121 if (offset < gradient->stops[i].offset)
2124 composite=gradient->stops[0].color;
2126 if (i == (ssize_t) gradient->number_stops)
2127 composite=gradient->stops[gradient->number_stops-1].color;
2132 alpha=(offset-gradient->stops[i].offset)/
2133 (gradient->stops[j].offset-gradient->stops[i].offset);
2134 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2135 &gradient->stops[j].color,alpha,&composite);
2147 antialias=MagickFalse;
2149 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2150 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2152 offset=GetStopColorOffset(gradient,x,y);
2153 if (gradient->type == LinearGradient)
2155 repeat=fmod(offset,length);
2157 repeat=length-fmod(-repeat,length);
2159 repeat=fmod(offset,length);
2160 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2161 MagickTrue : MagickFalse;
2162 offset=PerceptibleReciprocal(length)*repeat;
2166 repeat=fmod(offset,(
double) gradient->radius);
2168 repeat=gradient->radius-fmod(-repeat,
2169 (
double) gradient->radius);
2171 repeat=fmod(offset,(
double) gradient->radius);
2172 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2174 offset=repeat*PerceptibleReciprocal(gradient->radius);
2177 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2178 if (offset < gradient->stops[i].offset)
2181 composite=gradient->stops[0].color;
2183 if (i == (ssize_t) gradient->number_stops)
2184 composite=gradient->stops[gradient->number_stops-1].color;
2189 alpha=(offset-gradient->stops[i].offset)/
2190 (gradient->stops[j].offset-gradient->stops[i].offset);
2191 if (antialias != MagickFalse)
2193 if (gradient->type == LinearGradient)
2194 alpha=length-repeat;
2196 alpha=gradient->radius-repeat;
2198 j=(ssize_t) gradient->number_stops-1L;
2200 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2201 &gradient->stops[j].color,alpha,&composite);
2206 MagickPixelCompositeOver(&composite,composite.opacity,&pixel,
2207 pixel.opacity,&pixel);
2208 SetPixelPacket(image,&pixel,q,indexes+x);
2211 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2214 image_view=DestroyCacheView(image_view);
2247 static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2251 **text = (
char **) NULL;
2265 quantum=
sizeof(**mvg_info->primitive_info);
2266 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*quantum;
2267 if (extent <= (
double) *mvg_info->extent)
2269 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2270 return(MagickFalse);
2271 if (mvg_info->offset > 0)
2273 text=(
char **) AcquireQuantumMemory(mvg_info->offset,
sizeof(*text));
2274 if (text == (
char **) NULL)
2275 return(MagickFalse);
2276 for (i=0; i < mvg_info->offset; i++)
2277 text[i]=(*mvg_info->primitive_info)[i].text;
2279 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2280 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2283 if (text != (
char **) NULL)
2284 text=(
char **) RelinquishMagickMemory(text);
2285 *mvg_info->extent=(size_t) extent;
2286 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2288 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2289 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2296 if (text != (
char **) NULL)
2298 for (i=0; i < mvg_info->offset; i++)
2299 if (text[i] != (
char *) NULL)
2300 text[i]=DestroyString(text[i]);
2301 text=(
char **) RelinquishMagickMemory(text);
2303 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2304 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2305 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2306 (PrimitiveExtentPad+1)*quantum);
2307 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2309 *mvg_info->extent=1;
2311 return(MagickFalse);
2314 static inline double GetDrawValue(
const char *magick_restrict
string,
2315 char **magick_restrict sentinel)
2318 **magick_restrict q;
2324 value=InterpretLocaleValue(
string,q);
2329 static int MVGMacroCompare(
const void *target,
const void *source)
2335 p=(
const char *) target;
2336 q=(
const char *) source;
2337 return(strcmp(p,q));
2358 if (primitive == (
const char *) NULL)
2360 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2361 RelinquishMagickMemory);
2362 macro=AcquireString(primitive);
2363 token=AcquireString(primitive);
2364 extent=strlen(token)+MagickPathExtent;
2365 for (q=primitive; *q !=
'\0'; )
2367 if (GetNextToken(q,&q,extent,token) < 1)
2371 if (LocaleCompare(
"push",token) == 0)
2377 (void) GetNextToken(q,&q,extent,token);
2381 name[MagickPathExtent];
2392 (void) GetNextToken(q,&q,extent,token);
2395 (void) CopyMagickString(name,token,MagickPathExtent);
2397 for (p=q; *p !=
'\0'; )
2399 if (GetNextToken(p,&p,extent,token) < 1)
2403 if (LocaleCompare(token,
"pop") == 0)
2405 end=p-strlen(token)-1;
2408 if (LocaleCompare(token,
"push") == 0)
2410 if ((n == 0) && (end >= start))
2413 length=(size_t) (end-start);
2418 (void) GetNextToken(p,&p,extent,token);
2421 (void) CopyMagickString(macro,start,length);
2422 (void) AddValueToSplayTree(macros,ConstantString(name),
2423 ConstantString(macro));
2431 token=DestroyString(token);
2432 macro=DestroyString(macro);
2436 static inline MagickBooleanType IsPoint(
const char *point)
2444 value=GetDrawValue(point,&p);
2445 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2449 static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2452 primitive_info->coordinates=1;
2453 primitive_info->closed_subpath=MagickFalse;
2454 primitive_info->point=point;
2458 static MagickBooleanType RenderMVGContent(
Image *image,
2459 const DrawInfo *draw_info,
const size_t depth)
2461 #define RenderImageTag "Render/Image" 2468 key[2*MaxTextExtent],
2469 keyword[MaxTextExtent],
2470 geometry[MaxTextExtent],
2471 name[MaxTextExtent],
2473 pattern[MaxTextExtent],
2535 assert(image != (
Image *) NULL);
2536 assert(image->signature == MagickCoreSignature);
2537 assert(draw_info != (
DrawInfo *) NULL);
2538 assert(draw_info->signature == MagickCoreSignature);
2539 if (IsEventLogging() != MagickFalse)
2540 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2541 if (depth > MagickMaxRecursionDepth)
2542 ThrowBinaryImageException(DrawError,
"VectorGraphicsNestedTooDeeply",
2544 if ((draw_info->primitive == (
char *) NULL) ||
2545 (*draw_info->primitive ==
'\0'))
2546 return(MagickFalse);
2547 if (draw_info->debug != MagickFalse)
2548 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2549 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
2550 return(MagickFalse);
2551 if (image->matte == MagickFalse)
2553 status=SetImageAlphaChannel(image,OpaqueAlphaChannel);
2554 if (status == MagickFalse)
2555 return(MagickFalse);
2557 primitive=(
char *) NULL;
2558 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2559 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2560 primitive=FileToString(draw_info->primitive,~0UL,&image->exception);
2562 primitive=AcquireString(draw_info->primitive);
2563 if (primitive == (
char *) NULL)
2564 return(MagickFalse);
2565 primitive_extent=(double) strlen(primitive);
2566 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2571 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2572 if (graphic_context == (
DrawInfo **) NULL)
2574 primitive=DestroyString(primitive);
2575 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2578 number_points=(size_t) PrimitiveExtentPad;
2579 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2580 (number_points+1),
sizeof(*primitive_info));
2583 primitive=DestroyString(primitive);
2584 for ( ; n >= 0; n--)
2585 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2586 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2587 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2590 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2591 sizeof(*primitive_info));
2592 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2593 mvg_info.primitive_info=(&primitive_info);
2594 mvg_info.extent=(&number_points);
2595 mvg_info.exception=(&image->exception);
2596 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2597 graphic_context[n]->viewbox=image->page;
2598 if ((image->page.width == 0) || (image->page.height == 0))
2600 graphic_context[n]->viewbox.width=image->columns;
2601 graphic_context[n]->viewbox.height=image->rows;
2603 token=AcquireString(primitive);
2604 extent=strlen(token)+MaxTextExtent;
2608 macros=GetMVGMacros(primitive);
2609 status=QueryColorDatabase(
"#000000",&start_color,&image->exception);
2610 for (q=primitive; *q !=
'\0'; )
2615 if (GetNextToken(q,&q,MaxTextExtent,keyword) < 1)
2617 if (*keyword ==
'\0')
2619 if (*keyword ==
'#')
2624 while ((*q !=
'\n') && (*q !=
'\0'))
2628 p=q-strlen(keyword)-1;
2629 primitive_type=UndefinedPrimitive;
2630 current=graphic_context[n]->affine;
2631 GetAffineMatrix(&affine);
2640 if (LocaleCompare(
"affine",keyword) == 0)
2642 (void) GetNextToken(q,&q,extent,token);
2643 affine.sx=GetDrawValue(token,&next_token);
2644 if (token == next_token)
2645 ThrowPointExpectedException(image,token);
2646 (void) GetNextToken(q,&q,extent,token);
2648 (void) GetNextToken(q,&q,extent,token);
2649 affine.rx=GetDrawValue(token,&next_token);
2650 if (token == next_token)
2651 ThrowPointExpectedException(image,token);
2652 (void) GetNextToken(q,&q,extent,token);
2654 (void) GetNextToken(q,&q,extent,token);
2655 affine.ry=GetDrawValue(token,&next_token);
2656 if (token == next_token)
2657 ThrowPointExpectedException(image,token);
2658 (void) GetNextToken(q,&q,extent,token);
2660 (void) GetNextToken(q,&q,extent,token);
2661 affine.sy=GetDrawValue(token,&next_token);
2662 if (token == next_token)
2663 ThrowPointExpectedException(image,token);
2664 (void) GetNextToken(q,&q,extent,token);
2666 (void) GetNextToken(q,&q,extent,token);
2667 affine.tx=GetDrawValue(token,&next_token);
2668 if (token == next_token)
2669 ThrowPointExpectedException(image,token);
2670 (void) GetNextToken(q,&q,extent,token);
2672 (void) GetNextToken(q,&q,extent,token);
2673 affine.ty=GetDrawValue(token,&next_token);
2674 if (token == next_token)
2675 ThrowPointExpectedException(image,token);
2678 if (LocaleCompare(
"arc",keyword) == 0)
2680 primitive_type=ArcPrimitive;
2689 if (LocaleCompare(
"bezier",keyword) == 0)
2691 primitive_type=BezierPrimitive;
2694 if (LocaleCompare(
"border-color",keyword) == 0)
2696 (void) GetNextToken(q,&q,extent,token);
2697 status&=QueryColorDatabase(token,&graphic_context[n]->border_color,
2707 if (LocaleCompare(
"class",keyword) == 0)
2712 (void) GetNextToken(q,&q,extent,token);
2713 if ((*token ==
'\0') || (*token ==
';'))
2721 for (i=0; i < n; i++)
2722 if (LocaleCompare(token,graphic_context[i]->
id) == 0)
2726 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2727 if ((graphic_context[n]->render != MagickFalse) &&
2728 (mvg_class != (
const char *) NULL) && (p > primitive))
2739 offset=(ssize_t) (p-primitive);
2740 elements=AcquireString(primitive);
2741 elements[offset]=
'\0';
2742 (void) ConcatenateString(&elements,mvg_class);
2743 (void) ConcatenateString(&elements,
"\n");
2744 (void) ConcatenateString(&elements,q);
2745 primitive=DestroyString(primitive);
2751 if (LocaleCompare(
"clip-path",keyword) == 0)
2759 (void) GetNextToken(q,&q,extent,token);
2765 (void) CloneString(&graphic_context[n]->clip_mask,token);
2766 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2767 if (clip_path != (
const char *) NULL)
2769 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2770 graphic_context[n]->clipping_mask=
2771 DestroyImage(graphic_context[n]->clipping_mask);
2772 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2773 graphic_context[n],token,clip_path,&image->exception);
2774 if (graphic_context[n]->compliance != SVGCompliance)
2779 clip_path=(
const char *) GetValueFromSplayTree(macros,
2780 graphic_context[n]->clip_mask);
2781 if (clip_path != (
const char *) NULL)
2782 (
void) SetImageArtifact(image,
2783 graphic_context[n]->clip_mask,clip_path);
2784 status&=DrawClipPath(image,graphic_context[n],
2785 graphic_context[n]->clip_mask);
2790 if (LocaleCompare(
"clip-rule",keyword) == 0)
2795 (void) GetNextToken(q,&q,extent,token);
2796 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2798 if (fill_rule == -1)
2803 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2806 if (LocaleCompare(
"clip-units",keyword) == 0)
2811 (void) GetNextToken(q,&q,extent,token);
2812 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2814 if (clip_units == -1)
2819 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2820 if (clip_units == ObjectBoundingBox)
2822 GetAffineMatrix(¤t);
2823 affine.sx=draw_info->bounds.x2;
2824 affine.sy=draw_info->bounds.y2;
2825 affine.tx=draw_info->bounds.x1;
2826 affine.ty=draw_info->bounds.y1;
2831 if (LocaleCompare(
"circle",keyword) == 0)
2833 primitive_type=CirclePrimitive;
2836 if (LocaleCompare(
"color",keyword) == 0)
2838 primitive_type=ColorPrimitive;
2841 if (LocaleCompare(
"compliance",keyword) == 0)
2847 (void) GetNextToken(q,&q,extent,token);
2848 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2849 MagickComplianceOptions,MagickFalse,token);
2852 if (LocaleCompare(
"currentColor",keyword) == 0)
2854 (void) GetNextToken(q,&q,extent,token);
2863 if (LocaleCompare(
"decorate",keyword) == 0)
2868 (void) GetNextToken(q,&q,extent,token);
2869 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2876 graphic_context[n]->decorate=(DecorationType) decorate;
2879 if (LocaleCompare(
"density",keyword) == 0)
2881 (void) GetNextToken(q,&q,extent,token);
2882 (void) CloneString(&graphic_context[n]->density,token);
2885 if (LocaleCompare(
"direction",keyword) == 0)
2890 (void) GetNextToken(q,&q,extent,token);
2891 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2893 if (direction == -1)
2896 graphic_context[n]->direction=(DirectionType) direction;
2905 if (LocaleCompare(
"ellipse",keyword) == 0)
2907 primitive_type=EllipsePrimitive;
2910 if (LocaleCompare(
"encoding",keyword) == 0)
2912 (void) GetNextToken(q,&q,extent,token);
2913 (void) CloneString(&graphic_context[n]->encoding,token);
2922 if (LocaleCompare(
"fill",keyword) == 0)
2927 (void) GetNextToken(q,&q,extent,token);
2928 if (graphic_context[n]->clip_path != MagickFalse)
2930 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2931 if (mvg_class != (
const char *) NULL)
2933 (void) DrawPatternPath(image,draw_info,mvg_class,
2934 &graphic_context[n]->fill_pattern);
2937 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
2938 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2940 (void) DrawPatternPath(image,draw_info,token,
2941 &graphic_context[n]->fill_pattern);
2944 status&=QueryColorDatabase(token,&graphic_context[n]->fill,
2946 if (graphic_context[n]->fill_opacity != (
double) OpaqueOpacity)
2947 graphic_context[n]->fill.opacity=ClampToQuantum(
2948 graphic_context[n]->fill_opacity);
2951 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2956 (void) GetNextToken(q,&q,extent,token);
2957 if (graphic_context[n]->clip_path != MagickFalse)
2959 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2960 opacity=MagickMin(MagickMax(factor*
2961 GetDrawValue(token,&next_token),0.0),1.0);
2962 if (token == next_token)
2963 ThrowPointExpectedException(image,token);
2964 if (graphic_context[n]->compliance == SVGCompliance)
2965 graphic_context[n]->fill_opacity*=(1.0-opacity);
2967 graphic_context[n]->fill_opacity=((MagickRealType) QuantumRange-
2968 graphic_context[n]->fill_opacity)*(1.0-opacity);
2969 if (graphic_context[n]->fill.opacity != TransparentOpacity)
2970 graphic_context[n]->fill.opacity=(Quantum)
2971 graphic_context[n]->fill_opacity;
2973 graphic_context[n]->fill.opacity=ClampToQuantum((MagickRealType)
2974 QuantumRange*(1.0-opacity));
2977 if (LocaleCompare(
"fill-rule",keyword) == 0)
2982 (void) GetNextToken(q,&q,extent,token);
2983 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2985 if (fill_rule == -1)
2990 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2993 if (LocaleCompare(
"font",keyword) == 0)
2995 (void) GetNextToken(q,&q,extent,token);
2996 (void) CloneString(&graphic_context[n]->font,token);
2997 if (LocaleCompare(
"none",token) == 0)
2998 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
2999 graphic_context[n]->font);
3002 if (LocaleCompare(
"font-family",keyword) == 0)
3004 (void) GetNextToken(q,&q,extent,token);
3005 (void) CloneString(&graphic_context[n]->family,token);
3008 if (LocaleCompare(
"font-size",keyword) == 0)
3010 (void) GetNextToken(q,&q,extent,token);
3011 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3012 if (token == next_token)
3013 ThrowPointExpectedException(image,token);
3016 if (LocaleCompare(
"font-stretch",keyword) == 0)
3021 (void) GetNextToken(q,&q,extent,token);
3022 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3028 graphic_context[n]->stretch=(StretchType) stretch;
3031 if (LocaleCompare(
"font-style",keyword) == 0)
3036 (void) GetNextToken(q,&q,extent,token);
3037 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3043 graphic_context[n]->style=(StyleType) style;
3046 if (LocaleCompare(
"font-weight",keyword) == 0)
3051 (void) GetNextToken(q,&q,extent,token);
3052 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3054 weight=(ssize_t) StringToUnsignedLong(token);
3055 graphic_context[n]->weight=(size_t) weight;
3064 if (LocaleCompare(
"gradient-units",keyword) == 0)
3066 (void) GetNextToken(q,&q,extent,token);
3069 if (LocaleCompare(
"gravity",keyword) == 0)
3074 (void) GetNextToken(q,&q,extent,token);
3075 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3081 graphic_context[n]->gravity=(GravityType) gravity;
3090 if (LocaleCompare(
"image",keyword) == 0)
3095 primitive_type=ImagePrimitive;
3096 (void) GetNextToken(q,&q,extent,token);
3097 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3103 graphic_context[n]->compose=(CompositeOperator) compose;
3106 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3108 (void) GetNextToken(q,&q,extent,token);
3109 graphic_context[n]->interline_spacing=GetDrawValue(token,
3111 if (token == next_token)
3112 ThrowPointExpectedException(image,token);
3115 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3117 (void) GetNextToken(q,&q,extent,token);
3118 graphic_context[n]->interword_spacing=GetDrawValue(token,
3120 if (token == next_token)
3121 ThrowPointExpectedException(image,token);
3130 if (LocaleCompare(
"kerning",keyword) == 0)
3132 (void) GetNextToken(q,&q,extent,token);
3133 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3134 if (token == next_token)
3135 ThrowPointExpectedException(image,token);
3144 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3146 (void) GetNextToken(q,&q,extent,token);
3147 if (IsPoint(token) == MagickFalse)
3149 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3150 clone_info->text=AcquireString(
" ");
3151 status&=GetTypeMetrics(image,clone_info,&metrics);
3152 graphic_context[n]->kerning=metrics.width*
3153 GetDrawValue(token,&next_token);
3154 clone_info=DestroyDrawInfo(clone_info);
3155 if (token == next_token)
3156 ThrowPointExpectedException(image,token);
3159 if (LocaleCompare(
"line",keyword) == 0)
3161 primitive_type=LinePrimitive;
3170 if (LocaleCompare(
"mask",keyword) == 0)
3178 (void) GetNextToken(q,&q,extent,token);
3179 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3180 if (mask_path != (
const char *) NULL)
3182 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3183 graphic_context[n]->composite_mask=
3184 DestroyImage(graphic_context[n]->composite_mask);
3185 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3186 graphic_context[n],token,mask_path,&image->exception);
3187 if (graphic_context[n]->compliance != SVGCompliance)
3188 status=SetImageMask(image,graphic_context[n]->composite_mask);
3192 if (LocaleCompare(
"matte",keyword) == 0)
3194 primitive_type=MattePrimitive;
3203 if (LocaleCompare(
"offset",keyword) == 0)
3205 (void) GetNextToken(q,&q,extent,token);
3208 if (LocaleCompare(
"opacity",keyword) == 0)
3213 (void) GetNextToken(q,&q,extent,token);
3214 if (graphic_context[n]->clip_path != MagickFalse)
3216 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3217 opacity=1.0-MagickMin(MagickMax(factor*
3218 GetDrawValue(token,&next_token),0.0),1.0);
3219 if (token == next_token)
3220 ThrowPointExpectedException(image,token);
3221 if (graphic_context[n]->compliance == SVGCompliance)
3223 graphic_context[n]->fill_opacity*=opacity;
3224 graphic_context[n]->stroke_opacity*=opacity;
3228 graphic_context[n]->fill_opacity=(double) QuantumRange*opacity;
3229 graphic_context[n]->stroke_opacity=(double) QuantumRange*
3232 if (graphic_context[n]->fill.opacity != (
double) TransparentOpacity)
3234 graphic_context[n]->fill.opacity=
3235 graphic_context[n]->fill_opacity;
3236 graphic_context[n]->stroke.opacity=
3237 graphic_context[n]->stroke_opacity;
3241 graphic_context[n]->fill.opacity=(MagickRealType)
3242 ClampToQuantum((
double) QuantumRange*opacity);
3243 graphic_context[n]->stroke.opacity=(MagickRealType)
3244 ClampToQuantum((
double) QuantumRange*opacity);
3254 if (LocaleCompare(
"path",keyword) == 0)
3256 primitive_type=PathPrimitive;
3259 if (LocaleCompare(
"point",keyword) == 0)
3261 primitive_type=PointPrimitive;
3264 if (LocaleCompare(
"polyline",keyword) == 0)
3266 primitive_type=PolylinePrimitive;
3269 if (LocaleCompare(
"polygon",keyword) == 0)
3271 primitive_type=PolygonPrimitive;
3274 if (LocaleCompare(
"pop",keyword) == 0)
3276 if (GetNextToken(q,&q,extent,token) < 1)
3278 if (LocaleCompare(
"class",token) == 0)
3280 if (LocaleCompare(
"clip-path",token) == 0)
3282 if (LocaleCompare(
"defs",token) == 0)
3285 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3289 if (LocaleCompare(
"gradient",token) == 0)
3291 if (LocaleCompare(
"graphic-context",token) == 0)
3295 (void) ThrowMagickException(&image->exception,
3296 GetMagickModule(),DrawError,
3297 "UnbalancedGraphicContextPushPop",
"`%s'",token);
3302 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3303 (graphic_context[n]->compliance != SVGCompliance))
3304 if (LocaleCompare(graphic_context[n]->clip_mask,
3305 graphic_context[n-1]->clip_mask) != 0)
3306 status=SetImageClipMask(image,(
Image *) NULL);
3307 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3311 if (LocaleCompare(
"mask",token) == 0)
3313 if (LocaleCompare(
"pattern",token) == 0)
3315 if (LocaleCompare(
"symbol",token) == 0)
3318 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3325 if (LocaleCompare(
"push",keyword) == 0)
3327 if (GetNextToken(q,&q,extent,token) < 1)
3329 if (LocaleCompare(
"class",token) == 0)
3334 for (p=q; *q !=
'\0'; )
3336 if (GetNextToken(q,&q,extent,token) < 1)
3338 if (LocaleCompare(token,
"pop") != 0)
3340 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3341 if (LocaleCompare(token,
"class") != 0)
3345 (void) GetNextToken(q,&q,extent,token);
3348 if (LocaleCompare(
"clip-path",token) == 0)
3350 (void) GetNextToken(q,&q,extent,token);
3351 for (p=q; *q !=
'\0'; )
3353 if (GetNextToken(q,&q,extent,token) < 1)
3355 if (LocaleCompare(token,
"pop") != 0)
3357 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3358 if (LocaleCompare(token,
"clip-path") != 0)
3362 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3367 (void) GetNextToken(q,&q,extent,token);
3370 if (LocaleCompare(
"defs",token) == 0)
3373 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3377 if (LocaleCompare(
"gradient",token) == 0)
3380 key[2*MaxTextExtent],
3381 name[MaxTextExtent],
3382 type[MaxTextExtent];
3387 (void) GetNextToken(q,&q,extent,token);
3388 (void) CopyMagickString(name,token,MaxTextExtent);
3389 (void) GetNextToken(q,&q,extent,token);
3390 (void) CopyMagickString(type,token,MaxTextExtent);
3391 (void) GetNextToken(q,&q,extent,token);
3392 segment.x1=GetDrawValue(token,&next_token);
3393 if (token == next_token)
3394 ThrowPointExpectedException(image,token);
3395 (void) GetNextToken(q,&q,extent,token);
3397 (void) GetNextToken(q,&q,extent,token);
3398 segment.y1=GetDrawValue(token,&next_token);
3399 if (token == next_token)
3400 ThrowPointExpectedException(image,token);
3401 (void) GetNextToken(q,&q,extent,token);
3403 (void) GetNextToken(q,&q,extent,token);
3404 segment.x2=GetDrawValue(token,&next_token);
3405 if (token == next_token)
3406 ThrowPointExpectedException(image,token);
3407 (void) GetNextToken(q,&q,extent,token);
3409 (void) GetNextToken(q,&q,extent,token);
3410 segment.y2=GetDrawValue(token,&next_token);
3411 if (token == next_token)
3412 ThrowPointExpectedException(image,token);
3413 if (LocaleCompare(type,
"radial") == 0)
3415 (void) GetNextToken(q,&q,extent,token);
3417 (void) GetNextToken(q,&q,extent,token);
3419 for (p=q; *q !=
'\0'; )
3421 if (GetNextToken(q,&q,extent,token) < 1)
3423 if (LocaleCompare(token,
"pop") != 0)
3425 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3426 if (LocaleCompare(token,
"gradient") != 0)
3430 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3431 (p == (
char *) NULL) || ((q-4) < p))
3436 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3437 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3438 graphic_context[n]->affine.ry*segment.y1+
3439 graphic_context[n]->affine.tx;
3440 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3441 graphic_context[n]->affine.sy*segment.y1+
3442 graphic_context[n]->affine.ty;
3443 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3444 graphic_context[n]->affine.ry*segment.y2+
3445 graphic_context[n]->affine.tx;
3446 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3447 graphic_context[n]->affine.sy*segment.y2+
3448 graphic_context[n]->affine.ty;
3449 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3450 (void) SetImageArtifact(image,key,token);
3451 (void) FormatLocaleString(key,MaxTextExtent,
"%s-type",name);
3452 (void) SetImageArtifact(image,key,type);
3453 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3454 (void) FormatLocaleString(geometry,MaxTextExtent,
3455 "%gx%g%+.15g%+.15g",
3456 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3457 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3458 bounds.x1,bounds.y1);
3459 (void) SetImageArtifact(image,key,geometry);
3460 (void) GetNextToken(q,&q,extent,token);
3463 if (LocaleCompare(
"graphic-context",token) == 0)
3466 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3467 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3468 if (graphic_context == (
DrawInfo **) NULL)
3470 (void) ThrowMagickException(&image->exception,
3471 GetMagickModule(),ResourceLimitError,
3472 "MemoryAllocationFailed",
"`%s'",image->filename);
3475 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3476 graphic_context[n-1]);
3479 (void) GetNextToken(q,&q,extent,token);
3480 (void) CloneString(&graphic_context[n]->
id,token);
3484 if (LocaleCompare(
"mask",token) == 0)
3486 (void) GetNextToken(q,&q,extent,token);
3489 if (LocaleCompare(
"pattern",token) == 0)
3494 (void) GetNextToken(q,&q,extent,token);
3495 (void) CopyMagickString(name,token,MaxTextExtent);
3496 (void) GetNextToken(q,&q,extent,token);
3497 bounds.x=CastDoubleToLong(ceil(GetDrawValue(token,
3499 if (token == next_token)
3500 ThrowPointExpectedException(image,token);
3501 (void) GetNextToken(q,&q,extent,token);
3503 (void) GetNextToken(q,&q,extent,token);
3504 bounds.y=CastDoubleToLong(ceil(GetDrawValue(token,
3506 if (token == next_token)
3507 ThrowPointExpectedException(image,token);
3508 (void) GetNextToken(q,&q,extent,token);
3510 (void) GetNextToken(q,&q,extent,token);
3511 bounds.width=CastDoubleToUnsigned(GetDrawValue(token,
3513 if (token == next_token)
3514 ThrowPointExpectedException(image,token);
3515 (void) GetNextToken(q,&q,extent,token);
3517 (void) GetNextToken(q,&q,extent,token);
3518 bounds.height=CastDoubleToUnsigned(GetDrawValue(token,
3520 if (token == next_token)
3521 ThrowPointExpectedException(image,token);
3522 for (p=q; *q !=
'\0'; )
3524 if (GetNextToken(q,&q,extent,token) < 1)
3526 if (LocaleCompare(token,
"pop") != 0)
3528 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3529 if (LocaleCompare(token,
"pattern") != 0)
3533 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3538 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3539 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3540 (void) SetImageArtifact(image,key,token);
3541 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3542 (void) FormatLocaleString(geometry,MaxTextExtent,
3543 "%.20gx%.20g%+.20g%+.20g",(
double) bounds.width,(double)
3544 bounds.height,(
double) bounds.x,(double) bounds.y);
3545 (void) SetImageArtifact(image,key,geometry);
3546 (void) GetNextToken(q,&q,extent,token);
3549 if (LocaleCompare(
"symbol",token) == 0)
3552 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3565 if (LocaleCompare(
"rectangle",keyword) == 0)
3567 primitive_type=RectanglePrimitive;
3570 if (LocaleCompare(
"rotate",keyword) == 0)
3572 (void) GetNextToken(q,&q,extent,token);
3573 angle=GetDrawValue(token,&next_token);
3574 if (token == next_token)
3575 ThrowPointExpectedException(image,token);
3576 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3577 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3578 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3579 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3582 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3584 primitive_type=RoundRectanglePrimitive;
3593 if (LocaleCompare(
"scale",keyword) == 0)
3595 (void) GetNextToken(q,&q,extent,token);
3596 affine.sx=GetDrawValue(token,&next_token);
3597 if (token == next_token)
3598 ThrowPointExpectedException(image,token);
3599 (void) GetNextToken(q,&q,extent,token);
3601 (void) GetNextToken(q,&q,extent,token);
3602 affine.sy=GetDrawValue(token,&next_token);
3603 if (token == next_token)
3604 ThrowPointExpectedException(image,token);
3607 if (LocaleCompare(
"skewX",keyword) == 0)
3609 (void) GetNextToken(q,&q,extent,token);
3610 angle=GetDrawValue(token,&next_token);
3611 if (token == next_token)
3612 ThrowPointExpectedException(image,token);
3613 affine.ry=sin(DegreesToRadians(angle));
3616 if (LocaleCompare(
"skewY",keyword) == 0)
3618 (void) GetNextToken(q,&q,extent,token);
3619 angle=GetDrawValue(token,&next_token);
3620 if (token == next_token)
3621 ThrowPointExpectedException(image,token);
3622 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3625 if (LocaleCompare(
"stop-color",keyword) == 0)
3633 (void) GetNextToken(q,&q,extent,token);
3634 status&=QueryColorDatabase(token,&stop_color,&image->exception);
3635 type=LinearGradient;
3636 if (draw_info->gradient.type == RadialGradient)
3637 type=RadialGradient;
3638 (void) GradientImage(image,type,PadSpread,&start_color,&stop_color);
3639 start_color=stop_color;
3640 (void) GetNextToken(q,&q,extent,token);
3643 if (LocaleCompare(
"stroke",keyword) == 0)
3648 (void) GetNextToken(q,&q,extent,token);
3649 if (graphic_context[n]->clip_path != MagickFalse)
3651 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3652 if (mvg_class != (
const char *) NULL)
3654 (void) DrawPatternPath(image,draw_info,mvg_class,
3655 &graphic_context[n]->stroke_pattern);
3658 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
3659 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3661 (void) DrawPatternPath(image,draw_info,token,
3662 &graphic_context[n]->stroke_pattern);
3665 status&=QueryColorDatabase(token,&graphic_context[n]->stroke,
3667 if (graphic_context[n]->stroke_opacity != (MagickRealType) OpaqueOpacity)
3668 graphic_context[n]->stroke.opacity=ClampToQuantum(
3669 graphic_context[n]->stroke_opacity);
3672 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3674 (void) GetNextToken(q,&q,extent,token);
3675 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3676 MagickTrue : MagickFalse;
3679 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3681 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3682 graphic_context[n]->dash_pattern=(
double *)
3683 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3684 if (IsPoint(q) != MagickFalse)
3690 (void) GetNextToken(p,&p,extent,token);
3692 (void) GetNextToken(p,&p,extent,token);
3693 for (x=0; IsPoint(token) != MagickFalse; x++)
3695 (void) GetNextToken(p,&p,extent,token);
3697 (void) GetNextToken(p,&p,extent,token);
3699 graphic_context[n]->dash_pattern=(
double *)
3700 AcquireQuantumMemory((
size_t) (2*x+2),
3701 sizeof(*graphic_context[n]->dash_pattern));
3702 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3704 (void) ThrowMagickException(&image->exception,
3705 GetMagickModule(),ResourceLimitError,
3706 "MemoryAllocationFailed",
"`%s'",image->filename);
3710 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3711 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3712 for (j=0; j < x; j++)
3714 (void) GetNextToken(q,&q,extent,token);
3716 (void) GetNextToken(q,&q,extent,token);
3717 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3719 if (token == next_token)
3720 ThrowPointExpectedException(image,token);
3721 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3724 if ((x & 0x01) != 0)
3725 for ( ; j < (2*x); j++)
3726 graphic_context[n]->dash_pattern[j]=
3727 graphic_context[n]->dash_pattern[j-x];
3728 graphic_context[n]->dash_pattern[j]=0.0;
3731 (void) GetNextToken(q,&q,extent,token);
3734 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3736 (void) GetNextToken(q,&q,extent,token);
3737 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3738 if (token == next_token)
3739 ThrowPointExpectedException(image,token);
3742 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3747 (void) GetNextToken(q,&q,extent,token);
3748 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3754 graphic_context[n]->linecap=(LineCap) linecap;
3757 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3762 (void) GetNextToken(q,&q,extent,token);
3763 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3770 graphic_context[n]->linejoin=(LineJoin) linejoin;
3773 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3775 (void) GetNextToken(q,&q,extent,token);
3776 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3779 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3784 (void) GetNextToken(q,&q,extent,token);
3785 if (graphic_context[n]->clip_path != MagickFalse)
3787 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3788 opacity=MagickMin(MagickMax(factor*
3789 GetDrawValue(token,&next_token),0.0),1.0);
3790 if (token == next_token)
3791 ThrowPointExpectedException(image,token);
3792 if (graphic_context[n]->compliance == SVGCompliance)
3793 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3795 graphic_context[n]->stroke_opacity=((MagickRealType) QuantumRange-
3796 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3797 if (graphic_context[n]->stroke.opacity != TransparentOpacity)
3798 graphic_context[n]->stroke.opacity=(Quantum)
3799 graphic_context[n]->stroke_opacity;
3801 graphic_context[n]->stroke.opacity=ClampToQuantum(
3802 (MagickRealType) QuantumRange*opacity);
3805 if (LocaleCompare(
"stroke-width",keyword) == 0)
3807 (void) GetNextToken(q,&q,extent,token);
3808 if (graphic_context[n]->clip_path != MagickFalse)
3810 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3811 if ((token == next_token) ||
3812 (graphic_context[n]->stroke_width < 0.0))
3813 ThrowPointExpectedException(image,token);
3822 if (LocaleCompare(
"text",keyword) == 0)
3824 primitive_type=TextPrimitive;
3828 if (LocaleCompare(
"text-align",keyword) == 0)
3833 (void) GetNextToken(q,&q,extent,token);
3834 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3840 graphic_context[n]->align=(AlignType) align;
3843 if (LocaleCompare(
"text-anchor",keyword) == 0)
3848 (void) GetNextToken(q,&q,extent,token);
3849 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3855 graphic_context[n]->align=(AlignType) align;
3858 if (LocaleCompare(
"text-antialias",keyword) == 0)
3860 (void) GetNextToken(q,&q,extent,token);
3861 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3862 MagickTrue : MagickFalse;
3865 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3867 (void) GetNextToken(q,&q,extent,token);
3868 status&=QueryColorDatabase(token,&graphic_context[n]->undercolor,
3872 if (LocaleCompare(
"translate",keyword) == 0)
3874 (void) GetNextToken(q,&q,extent,token);
3875 affine.tx=GetDrawValue(token,&next_token);
3876 if (token == next_token)
3877 ThrowPointExpectedException(image,token);
3878 (void) GetNextToken(q,&q,extent,token);
3880 (void) GetNextToken(q,&q,extent,token);
3881 affine.ty=GetDrawValue(token,&next_token);
3882 if (token == next_token)
3883 ThrowPointExpectedException(image,token);
3892 if (LocaleCompare(
"use",keyword) == 0)
3900 (void) GetNextToken(q,&q,extent,token);
3901 use=(
const char *) GetValueFromSplayTree(macros,token);
3902 if (use != (
const char *) NULL)
3904 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3905 (void) CloneString(&clone_info->primitive,use);
3906 status=RenderMVGContent(image,clone_info,depth+1);
3907 clone_info=DestroyDrawInfo(clone_info);
3917 if (LocaleCompare(
"viewbox",keyword) == 0)
3919 (void) GetNextToken(q,&q,extent,token);
3920 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3921 GetDrawValue(token,&next_token)-0.5));
3922 if (token == next_token)
3923 ThrowPointExpectedException(image,token);
3924 (void) GetNextToken(q,&q,extent,token);
3926 (void) GetNextToken(q,&q,extent,token);
3927 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3928 GetDrawValue(token,&next_token)-0.5));
3929 if (token == next_token)
3930 ThrowPointExpectedException(image,token);
3931 (void) GetNextToken(q,&q,extent,token);
3933 (void) GetNextToken(q,&q,extent,token);
3934 graphic_context[n]->viewbox.width=CastDoubleToUnsigned(
3935 GetDrawValue(token,&next_token)+0.5);
3936 if (token == next_token)
3937 ThrowPointExpectedException(image,token);
3938 (void) GetNextToken(q,&q,extent,token);
3940 (void) GetNextToken(q,&q,extent,token);
3941 graphic_context[n]->viewbox.height=CastDoubleToUnsigned(
3942 GetDrawValue(token,&next_token)+0.5);
3943 if (token == next_token)
3944 ThrowPointExpectedException(image,token);
3953 if (LocaleCompare(
"word-spacing",keyword) == 0)
3955 (void) GetNextToken(q,&q,extent,token);
3956 graphic_context[n]->interword_spacing=GetDrawValue(token,
3958 if (token == next_token)
3959 ThrowPointExpectedException(image,token);
3971 if (status == MagickFalse)
3973 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3974 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3975 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3976 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3978 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3979 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3980 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3981 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3982 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3984 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3987 if (primitive_type == UndefinedPrimitive)
3989 if ((draw_info->debug != MagickFalse) && (q > p))
3990 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
3997 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
3998 if (primitive_info[i].text != (
char *) NULL)
3999 primitive_info[i].text=DestroyString(primitive_info[i].text);
4003 primitive_info[0].point.x=0.0;
4004 primitive_info[0].point.y=0.0;
4005 primitive_info[0].coordinates=0;
4006 primitive_info[0].method=FloodfillMethod;
4007 primitive_info[0].closed_subpath=MagickFalse;
4008 for (x=0; *q !=
'\0'; x++)
4013 if (IsPoint(q) == MagickFalse)
4015 (void) GetNextToken(q,&q,extent,token);
4016 point.x=GetDrawValue(token,&next_token);
4017 if (token == next_token)
4018 ThrowPointExpectedException(image,token);
4019 (void) GetNextToken(q,&q,extent,token);
4021 (void) GetNextToken(q,&q,extent,token);
4022 point.y=GetDrawValue(token,&next_token);
4023 if (token == next_token)
4024 ThrowPointExpectedException(image,token);
4025 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4027 (void) GetNextToken(q,&q,extent,token);
4028 primitive_info[i].primitive=primitive_type;
4029 primitive_info[i].point=point;
4030 primitive_info[i].coordinates=0;
4031 primitive_info[i].method=FloodfillMethod;
4032 primitive_info[i].closed_subpath=MagickFalse;
4035 if (i < (ssize_t) number_points)
4037 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4038 primitive_info=(*mvg_info.primitive_info);
4040 if (status == MagickFalse)
4042 if (primitive_info[j].text != (
char *) NULL)
4043 primitive_info[j].text=DestroyString(primitive_info[j].text);
4044 primitive_info[j].primitive=primitive_type;
4045 primitive_info[j].coordinates=(size_t) x;
4046 primitive_info[j].method=FloodfillMethod;
4047 primitive_info[j].closed_subpath=MagickFalse;
4051 bounds.x1=primitive_info[j].point.x;
4052 bounds.y1=primitive_info[j].point.y;
4053 bounds.x2=primitive_info[j].point.x;
4054 bounds.y2=primitive_info[j].point.y;
4055 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4057 point=primitive_info[j+k].point;
4058 if (point.x < bounds.x1)
4060 if (point.y < bounds.y1)
4062 if (point.x > bounds.x2)
4064 if (point.y > bounds.y2)
4070 coordinates=(double) primitive_info[j].coordinates;
4071 switch (primitive_type)
4073 case RectanglePrimitive:
4078 case RoundRectanglePrimitive:
4085 alpha=bounds.x2-bounds.x1;
4086 beta=bounds.y2-bounds.y1;
4087 radius=hypot(alpha,beta);
4089 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4090 BezierQuantum+360.0;
4093 case BezierPrimitive:
4095 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4104 (void) GetNextToken(q,&q,extent,token);
4107 for (s=token; *s !=
'\0'; s=t)
4112 value=GetDrawValue(s,&t);
4121 for (s=token; *s !=
'\0'; s++)
4122 if (strspn(s,
"AaCcQqSsTt") != 0)
4123 coordinates+=(20.0*BezierQuantum)+360.0;
4129 if (status == MagickFalse)
4131 if (((
size_t) (i+coordinates)) >= number_points)
4136 number_points+=coordinates+1;
4137 if (number_points < (
size_t) coordinates)
4139 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4140 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4145 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4146 primitive_info=(*mvg_info.primitive_info);
4148 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4149 primitive_info=(*mvg_info.primitive_info);
4150 if (status == MagickFalse)
4153 switch (primitive_type)
4155 case PointPrimitive:
4158 if (primitive_info[j].coordinates != 1)
4163 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4164 primitive_info=(*mvg_info.primitive_info);
4165 i=(ssize_t) (j+primitive_info[j].coordinates);
4170 if (primitive_info[j].coordinates != 2)
4175 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4176 primitive_info[j+1].point);
4177 primitive_info=(*mvg_info.primitive_info);
4178 i=(ssize_t) (j+primitive_info[j].coordinates);
4181 case RectanglePrimitive:
4183 if (primitive_info[j].coordinates != 2)
4188 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4189 primitive_info[j+1].point);
4190 primitive_info=(*mvg_info.primitive_info);
4191 i=(ssize_t) (j+primitive_info[j].coordinates);
4194 case RoundRectanglePrimitive:
4196 if (primitive_info[j].coordinates != 3)
4201 if ((primitive_info[j+2].point.x < 0.0) ||
4202 (primitive_info[j+2].point.y < 0.0))
4207 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4212 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4217 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4218 primitive_info[j+1].point,primitive_info[j+2].point);
4219 primitive_info=(*mvg_info.primitive_info);
4220 i=(ssize_t) (j+primitive_info[j].coordinates);
4225 if (primitive_info[j].coordinates != 3)
4230 status&=TraceArc(&mvg_info,primitive_info[j].point,
4231 primitive_info[j+1].point,primitive_info[j+2].point);
4232 primitive_info=(*mvg_info.primitive_info);
4233 i=(ssize_t) (j+primitive_info[j].coordinates);
4236 case EllipsePrimitive:
4238 if (primitive_info[j].coordinates != 3)
4243 if ((primitive_info[j+1].point.x < 0.0) ||
4244 (primitive_info[j+1].point.y < 0.0))
4249 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4250 primitive_info[j+1].point,primitive_info[j+2].point);
4251 primitive_info=(*mvg_info.primitive_info);
4252 i=(ssize_t) (j+primitive_info[j].coordinates);
4255 case CirclePrimitive:
4257 if (primitive_info[j].coordinates != 2)
4262 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4263 primitive_info[j+1].point);
4264 primitive_info=(*mvg_info.primitive_info);
4265 i=(ssize_t) (j+primitive_info[j].coordinates);
4268 case PolylinePrimitive:
4270 if (primitive_info[j].coordinates < 1)
4277 case PolygonPrimitive:
4279 if (primitive_info[j].coordinates < 3)
4284 primitive_info[i]=primitive_info[j];
4285 primitive_info[i].coordinates=0;
4286 primitive_info[j].coordinates++;
4287 primitive_info[j].closed_subpath=MagickTrue;
4291 case BezierPrimitive:
4293 if (primitive_info[j].coordinates < 3)
4298 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4299 primitive_info=(*mvg_info.primitive_info);
4300 i=(ssize_t) (j+primitive_info[j].coordinates);
4305 coordinates=(double) TracePath(image,&mvg_info,token);
4306 primitive_info=(*mvg_info.primitive_info);
4307 if (coordinates < 0.0)
4312 i=(ssize_t) (j+coordinates);
4315 case ColorPrimitive:
4316 case MattePrimitive:
4321 if (primitive_info[j].coordinates != 1)
4326 (void) GetNextToken(q,&q,extent,token);
4327 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4333 primitive_info[j].method=(PaintMethod) method;
4339 geometry[MagickPathExtent];
4341 if (primitive_info[j].coordinates != 1)
4347 (void) GetNextToken(q,&q,extent,token);
4348 (void) CloneString(&primitive_info[j].text,token);
4352 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4353 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4354 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4356 mvg_info.point=primitive_info->point;
4357 primitive_info->point.x+=cursor;
4361 mvg_info.point=primitive_info->point;
4364 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
4365 primitive_info->point.x,primitive_info->point.y);
4366 clone_info->render=MagickFalse;
4367 clone_info->text=AcquireString(token);
4368 status&=GetTypeMetrics(image,clone_info,&metrics);
4369 clone_info=DestroyDrawInfo(clone_info);
4370 cursor+=metrics.width;
4371 if (graphic_context[n]->compliance != SVGCompliance)
4375 case ImagePrimitive:
4377 if (primitive_info[j].coordinates != 2)
4382 (void) GetNextToken(q,&q,extent,token);
4383 (void) CloneString(&primitive_info[j].text,token);
4390 primitive_info[i].primitive=UndefinedPrimitive;
4391 if ((draw_info->debug != MagickFalse) && (q > p))
4392 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4396 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4397 &graphic_context[n]->affine));
4398 primitive_info=(*mvg_info.primitive_info);
4401 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4402 graphic_context[n]->stroke_width);
4403 primitive_info=(*mvg_info.primitive_info);
4411 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4413 point=primitive_info[i].point;
4414 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4415 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4416 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4417 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4418 point=primitive_info[i].point;
4419 if (point.x < graphic_context[n]->bounds.x1)
4420 graphic_context[n]->bounds.x1=point.x;
4421 if (point.y < graphic_context[n]->bounds.y1)
4422 graphic_context[n]->bounds.y1=point.y;
4423 if (point.x > graphic_context[n]->bounds.x2)
4424 graphic_context[n]->bounds.x2=point.x;
4425 if (point.y > graphic_context[n]->bounds.y2)
4426 graphic_context[n]->bounds.y2=point.y;
4427 if (primitive_info[i].primitive == ImagePrimitive)
4429 if (i >= (ssize_t) number_points)
4430 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4432 if (graphic_context[n]->render != MagickFalse)
4434 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4435 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4436 (LocaleCompare(graphic_context[n]->clip_mask,
4437 graphic_context[n-1]->clip_mask) != 0))
4442 clip_path=(
const char *) GetValueFromSplayTree(macros,
4443 graphic_context[n]->clip_mask);
4444 if (clip_path != (
const char *) NULL)
4445 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4447 status&=DrawClipPath(image,graphic_context[n],
4448 graphic_context[n]->clip_mask);
4450 status&=DrawPrimitive(image,graphic_context[n],primitive_info);
4452 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4454 if (proceed == MagickFalse)
4459 if (draw_info->debug != MagickFalse)
4460 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4464 macros=DestroySplayTree(macros);
4465 token=DestroyString(token);
4468 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4469 if (primitive_info[i].text != (
char *) NULL)
4470 primitive_info[i].text=DestroyString(primitive_info[i].text);
4471 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4473 primitive=DestroyString(primitive);
4474 for ( ; n >= 0; n--)
4475 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4476 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4477 if (status == MagickFalse)
4478 ThrowBinaryImageException(DrawError,
4479 "NonconformingDrawingPrimitiveDefinition",keyword);
4480 return(status != 0 ? MagickTrue : MagickFalse);
4483 MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info)
4485 return(RenderMVGContent(image,draw_info,0));
4517 MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4521 property[MaxTextExtent];
4537 assert(image != (
Image *) NULL);
4538 assert(image->signature == MagickCoreSignature);
4539 assert(draw_info != (
const DrawInfo *) NULL);
4540 if (IsEventLogging() != MagickFalse)
4541 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4542 assert(name != (
const char *) NULL);
4543 (void) FormatLocaleString(property,MaxTextExtent,
"%s",name);
4544 path=GetImageArtifact(image,property);
4545 if (path == (
const char *) NULL)
4546 return(MagickFalse);
4547 (void) FormatLocaleString(property,MaxTextExtent,
"%s-geometry",name);
4548 geometry=GetImageArtifact(image,property);
4549 if (geometry == (
const char *) NULL)
4550 return(MagickFalse);
4551 if ((*pattern) != (
Image *) NULL)
4552 *pattern=DestroyImage(*pattern);
4553 image_info=AcquireImageInfo();
4554 image_info->size=AcquireString(geometry);
4555 *pattern=AcquireImage(image_info);
4556 image_info=DestroyImageInfo(image_info);
4557 (void) QueryColorDatabase(
"#00000000",&(*pattern)->background_color,
4559 (void) SetImageBackgroundColor(*pattern);
4560 if (draw_info->debug != MagickFalse)
4561 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4562 "begin pattern-path %s %s",name,geometry);
4563 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4564 if (clone_info->fill_pattern != (
Image *) NULL)
4565 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4566 if (clone_info->stroke_pattern != (
Image *) NULL)
4567 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4568 (void) FormatLocaleString(property,MaxTextExtent,
"%s-type",name);
4569 type=GetImageArtifact(image,property);
4570 if (type != (
const char *) NULL)
4571 clone_info->gradient.type=(GradientType) ParseCommandOption(
4572 MagickGradientOptions,MagickFalse,type);
4573 (void) CloneString(&clone_info->primitive,path);
4574 status=RenderMVGContent(*pattern,clone_info,0);
4575 clone_info=DestroyDrawInfo(clone_info);
4576 if (draw_info->debug != MagickFalse)
4577 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4615 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4617 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4618 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4619 return(polygon_info);
4626 *magick_restrict path_info;
4634 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4635 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4636 sizeof(*polygon_info));
4639 (void) ThrowMagickException(exception,GetMagickModule(),
4640 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4643 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4644 path_info=ConvertPrimitiveToPath(draw_info,primitive_info,exception);
4645 if (path_info == (
PathInfo *) NULL)
4646 return(DestroyPolygonTLS(polygon_info));
4647 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4650 (void) ThrowMagickException(exception,GetMagickModule(),
4651 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4652 return(DestroyPolygonTLS(polygon_info));
4654 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4655 return(polygon_info);
4658 static MagickBooleanType AcquirePolygonEdgesTLS(
PolygonInfo **polygon_info,
4664 for (i=1; i < (ssize_t) number_threads; i++)
4672 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4673 sizeof(*polygon_info[i]));
4676 (void) ThrowMagickException(exception,GetMagickModule(),
4677 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4678 return(MagickFalse);
4680 polygon_info[i]->number_edges=0;
4681 edge_info=polygon_info[0]->edges;
4682 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4683 polygon_info[0]->number_edges,
sizeof(*edge_info));
4684 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4686 (void) ThrowMagickException(exception,GetMagickModule(),
4687 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4688 return(MagickFalse);
4690 (void) memcpy(polygon_info[i]->edges,edge_info,
4691 polygon_info[0]->number_edges*
sizeof(*edge_info));
4692 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4693 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4694 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4695 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4697 edge_info=polygon_info[0]->edges+j;
4698 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4699 edge_info->number_points,
sizeof(*edge_info));
4700 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4702 (void) ThrowMagickException(exception,GetMagickModule(),
4703 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4704 return(MagickFalse);
4706 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4707 edge_info->number_points*
sizeof(*edge_info->points));
4713 static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4715 assert(edge < (ssize_t) polygon_info->number_edges);
4716 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4717 polygon_info->edges[edge].points);
4718 polygon_info->number_edges--;
4719 if (edge < (ssize_t) polygon_info->number_edges)
4720 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4721 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4722 return(polygon_info->number_edges);
4725 static double GetOpacityPixel(
PolygonInfo *polygon_info,
const double mid,
4726 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4727 const ssize_t y,
double *stroke_opacity)
4754 *stroke_opacity=0.0;
4755 subpath_opacity=0.0;
4756 p=polygon_info->edges;
4757 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4759 if ((
double) y <= (p->bounds.y1-mid-0.5))
4761 if ((
double) y > (p->bounds.y2+mid+0.5))
4764 (void) DestroyEdge(polygon_info,j--);
4767 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4768 ((
double) x > (p->bounds.x2+mid+0.5)))
4770 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4771 for ( ; i < (ssize_t) p->number_points; i++)
4773 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4775 if ((
double) y > (p->points[i].y+mid+0.5))
4777 if (p->scanline != (
double) y)
4779 p->scanline=(double) y;
4780 p->highwater=(size_t) i;
4786 delta.x=(q+1)->x-q->x;
4787 delta.y=(q+1)->y-q->y;
4788 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4791 delta.x=(double) x-q->x;
4792 delta.y=(
double) y-q->y;
4793 distance=delta.x*delta.x+delta.y*delta.y;
4797 alpha=delta.x*delta.x+delta.y*delta.y;
4800 delta.x=(double) x-(q+1)->x;
4801 delta.y=(double) y-(q+1)->y;
4802 distance=delta.x*delta.x+delta.y*delta.y;
4806 alpha=PerceptibleReciprocal(alpha);
4807 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4808 distance=alpha*beta*beta;
4815 if (p->ghostline == MagickFalse)
4818 if ((*stroke_opacity < 1.0) &&
4819 (distance <= ((alpha+0.25)*(alpha+0.25))))
4822 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4823 *stroke_opacity=1.0;
4827 if (fabs(distance-1.0) >= MagickEpsilon)
4828 beta=sqrt((
double) distance);
4830 if (*stroke_opacity < ((alpha-0.25)*(alpha-0.25)))
4831 *stroke_opacity=(alpha-0.25)*(alpha-0.25);
4835 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_opacity >= 1.0))
4837 if (distance <= 0.0)
4839 subpath_opacity=1.0;
4844 if (fabs(beta) < MagickEpsilon)
4847 if (fabs(distance-1.0) >= MagickEpsilon)
4848 beta=sqrt(distance);
4851 if (subpath_opacity < (alpha*alpha))
4852 subpath_opacity=alpha*alpha;
4858 if (fill == MagickFalse)
4860 if (subpath_opacity >= 1.0)
4866 p=polygon_info->edges;
4867 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4869 if ((
double) y <= p->bounds.y1)
4871 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4873 if ((
double) x > p->bounds.x2)
4875 winding_number+=p->direction != 0 ? 1 : -1;
4878 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4879 for ( ; i < (ssize_t) (p->number_points-1); i++)
4880 if ((
double) y <= p->points[i].y)
4883 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4884 winding_number+=p->direction != 0 ? 1 : -1;
4886 if (fill_rule != NonZeroRule)
4888 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4892 if (MagickAbsoluteValue(winding_number) != 0)
4894 return(subpath_opacity);
4897 static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4900 typedef struct _ExtentInfo
4929 **magick_restrict polygon_info;
4944 assert(image != (
Image *) NULL);
4945 assert(image->signature == MagickCoreSignature);
4946 assert(draw_info != (
DrawInfo *) NULL);
4947 assert(draw_info->signature == MagickCoreSignature);
4949 if (IsEventLogging() != MagickFalse)
4950 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4951 if (primitive_info->coordinates <= 1)
4956 polygon_info=AcquirePolygonTLS(draw_info,primitive_info,&image->exception);
4958 return(MagickFalse);
4959 if (draw_info->debug != MagickFalse)
4960 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4961 fill=(primitive_info->method == FillToBorderMethod) ||
4962 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4963 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4964 bounds=polygon_info[0]->edges[0].bounds;
4965 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4966 if (IsStringTrue(artifact) != MagickFalse)
4967 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0]);
4968 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4970 p=polygon_info[0]->edges+i;
4971 if (p->bounds.x1 < bounds.x1)
4972 bounds.x1=p->bounds.x1;
4973 if (p->bounds.y1 < bounds.y1)
4974 bounds.y1=p->bounds.y1;
4975 if (p->bounds.x2 > bounds.x2)
4976 bounds.x2=p->bounds.x2;
4977 if (p->bounds.y2 > bounds.y2)
4978 bounds.y2=p->bounds.y2;
4980 bounds.x1-=(mid+1.0);
4981 bounds.y1-=(mid+1.0);
4982 bounds.x2+=(mid+1.0);
4983 bounds.y2+=(mid+1.0);
4984 if ((bounds.x1 >= (
double) image->columns) ||
4985 (bounds.y1 >= (
double) image->rows) ||
4986 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
4988 polygon_info=DestroyPolygonTLS(polygon_info);
4991 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
4992 (
double) image->columns-1.0 : bounds.x1;
4993 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
4994 (
double) image->rows-1.0 : bounds.y1;
4995 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
4996 (
double) image->columns-1.0 : bounds.x2;
4997 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
4998 (
double) image->rows-1.0 : bounds.y2;
4999 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
5000 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5001 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
5002 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5003 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
5004 poly_extent.y1+1,1);
5005 status=AcquirePolygonEdgesTLS(polygon_info,number_threads,&image->exception);
5006 if (status == MagickFalse)
5008 polygon_info=DestroyPolygonTLS(polygon_info);
5012 exception=(&image->exception);
5013 image_view=AcquireAuthenticCacheView(image,exception);
5014 if ((primitive_info->coordinates == 1) ||
5015 (polygon_info[0]->number_edges == 0))
5020 #if defined(MAGICKCORE_OPENMP_SUPPORT) 5021 #pragma omp parallel for schedule(static) shared(status) \ 5022 num_threads(number_threads) 5024 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5035 if (status == MagickFalse)
5038 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5045 for ( ; x <= poly_extent.x2; x++)
5047 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5048 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5049 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,q);
5052 sync=SyncCacheViewAuthenticPixels(image_view,exception);
5053 if (sync == MagickFalse)
5056 image_view=DestroyCacheView(image_view);
5057 polygon_info=DestroyPolygonTLS(polygon_info);
5058 if (draw_info->debug != MagickFalse)
5059 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5060 " end draw-polygon");
5066 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5067 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5068 #if defined(MAGICKCORE_OPENMP_SUPPORT) 5069 #pragma omp parallel for schedule(static) shared(status) \ 5070 num_threads(number_threads) 5072 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5075 id = GetOpenMPThreadId();
5087 if (status == MagickFalse)
5089 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5090 (poly_extent.x2-poly_extent.x1+1),1,exception);
5096 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5105 fill_opacity=GetOpacityPixel(polygon_info[
id],mid,fill,
5106 draw_info->fill_rule,x,y,&stroke_opacity);
5107 if (draw_info->stroke_antialias == MagickFalse)
5109 fill_opacity=fill_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5110 stroke_opacity=stroke_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5112 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5114 fill_opacity=(double) ((MagickRealType) QuantumRange-fill_opacity*
5115 ((MagickRealType) QuantumRange-(MagickRealType) fill_color.opacity));
5116 MagickCompositeOver(&fill_color,(MagickRealType) fill_opacity,q,
5117 (MagickRealType) q->opacity,q);
5118 (void) GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5120 stroke_opacity=(double) ((MagickRealType) QuantumRange-stroke_opacity*
5121 ((MagickRealType) QuantumRange-(MagickRealType) stroke_color.opacity));
5122 MagickCompositeOver(&stroke_color,(MagickRealType) stroke_opacity,q,
5123 (MagickRealType) q->opacity,q);
5126 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5129 image_view=DestroyCacheView(image_view);
5130 polygon_info=DestroyPolygonTLS(polygon_info);
5131 if (draw_info->debug != MagickFalse)
5132 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5163 static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5189 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5190 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5191 switch (primitive_info->primitive)
5193 case PointPrimitive:
5195 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5196 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5197 methods[primitive_info->method]);
5200 case ColorPrimitive:
5202 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5203 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5204 methods[primitive_info->method]);
5207 case MattePrimitive:
5209 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5210 "MattePrimitive %.20g,%.20g %s",(double) x,(
double) y,
5211 methods[primitive_info->method]);
5216 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5217 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5220 case ImagePrimitive:
5222 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5223 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5230 p=primitive_info[0].point;
5233 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5235 point=primitive_info[i].point;
5236 if (coordinates <= 0)
5238 coordinates=(ssize_t) primitive_info[i].coordinates;
5239 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5240 " begin open (%.20g)",(double) coordinates);
5243 point=primitive_info[i].point;
5244 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5245 (fabs(q.y-point.y) >= MagickEpsilon))
5246 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5247 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5249 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5250 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5253 if (coordinates > 0)
5255 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5256 (fabs(p.y-point.y) >= MagickEpsilon))
5257 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5258 (double) coordinates);
5260 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5261 (
double) coordinates);
5265 MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5284 if (draw_info->debug != MagickFalse)
5286 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5287 " begin draw-primitive");
5288 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5289 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5290 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5291 draw_info->affine.tx,draw_info->affine.ty);
5293 exception=(&image->exception);
5295 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5296 ((IsPixelGray(&draw_info->fill) == MagickFalse) ||
5297 (IsPixelGray(&draw_info->stroke) == MagickFalse)))
5298 status=SetImageColorspace(image,sRGBColorspace);
5299 if (draw_info->compliance == SVGCompliance)
5301 status&=SetImageClipMask(image,draw_info->clipping_mask);
5302 status&=SetImageMask(image,draw_info->composite_mask);
5304 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5305 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5306 image_view=AcquireAuthenticCacheView(image,exception);
5307 switch (primitive_info->primitive)
5309 case ColorPrimitive:
5311 switch (primitive_info->method)
5319 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5322 (void) GetFillColor(draw_info,x,y,q);
5323 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5331 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5332 for (y=0; y < (ssize_t) image->rows; y++)
5337 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5341 for (x=0; x < (ssize_t) image->columns; x++)
5343 if (IsColorSimilar(image,q,&target) == MagickFalse)
5348 (void) GetFillColor(draw_info,x,y,q);
5351 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5352 if (status == MagickFalse)
5357 case FloodfillMethod:
5358 case FillToBorderMethod:
5363 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5364 if (primitive_info->method == FillToBorderMethod)
5366 target.red=(MagickRealType) draw_info->border_color.red;
5367 target.green=(MagickRealType) draw_info->border_color.green;
5368 target.blue=(MagickRealType) draw_info->border_color.blue;
5370 status&=FloodfillPaintImage(image,DefaultChannels,draw_info,&target,x,
5371 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5377 for (y=0; y < (ssize_t) image->rows; y++)
5385 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5389 for (x=0; x < (ssize_t) image->columns; x++)
5391 (void) GetFillColor(draw_info,x,y,q);
5394 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5395 if (status == MagickFalse)
5403 case MattePrimitive:
5405 if (image->matte == MagickFalse)
5406 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel);
5407 switch (primitive_info->method)
5418 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5421 (void) GetFillColor(draw_info,x,y,&pixel);
5422 SetPixelOpacity(q,pixel.opacity);
5423 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5432 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5433 for (y=0; y < (ssize_t) image->rows; y++)
5441 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5445 for (x=0; x < (ssize_t) image->columns; x++)
5447 if (IsColorSimilar(image,q,&target) == MagickFalse)
5452 (void) GetFillColor(draw_info,x,y,&pixel);
5453 SetPixelOpacity(q,pixel.opacity);
5456 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5457 if (status == MagickFalse)
5462 case FloodfillMethod:
5463 case FillToBorderMethod:
5468 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5469 if (primitive_info->method == FillToBorderMethod)
5471 target.red=(MagickRealType) draw_info->border_color.red;
5472 target.green=(MagickRealType) draw_info->border_color.green;
5473 target.blue=(MagickRealType) draw_info->border_color.blue;
5475 status&=FloodfillPaintImage(image,OpacityChannel,draw_info,&target,x,
5476 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5485 for (y=0; y < (ssize_t) image->rows; y++)
5493 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5497 for (x=0; x < (ssize_t) image->columns; x++)
5499 (void) GetFillColor(draw_info,x,y,&pixel);
5500 SetPixelOpacity(q,pixel.opacity);
5503 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5504 if (status == MagickFalse)
5512 case ImagePrimitive:
5518 composite_geometry[MaxTextExtent];
5534 if (primitive_info->text == (
char *) NULL)
5536 clone_info=AcquireImageInfo();
5537 composite_images=(
Image *) NULL;
5538 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5539 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5542 if (*primitive_info->text !=
'\0')
5556 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5558 (void) SetImageInfo(clone_info,1,exception);
5559 magick_info=GetMagickInfo(clone_info->magick,exception);
5560 if ((magick_info != (
const MagickInfo*) NULL) &&
5561 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5563 (void) ThrowMagickException(exception,GetMagickModule(),
5564 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5565 clone_info->filename);
5566 clone_info=DestroyImageInfo(clone_info);
5569 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5571 if (clone_info->size != (
char *) NULL)
5572 clone_info->size=DestroyString(clone_info->size);
5573 if (clone_info->extract != (
char *) NULL)
5574 clone_info->extract=DestroyString(clone_info->extract);
5575 path_status=GetPathAttributes(clone_info->filename,&attributes);
5576 if (path_status != MagickFalse)
5578 if (S_ISCHR(attributes.st_mode) == 0)
5579 composite_images=ReadImage(clone_info,exception);
5581 (
void) ThrowMagickException(exception,GetMagickModule(),
5582 FileOpenError,
"UnableToOpenFile",
"`%s'",
5583 clone_info->filename);
5586 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5587 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5588 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5589 (LocaleCompare(clone_info->magick,
"vid") != 0))
5590 composite_images=ReadImage(clone_info,exception);
5592 (
void) ThrowMagickException(exception,GetMagickModule(),
5593 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5595 clone_info=DestroyImageInfo(clone_info);
5596 if (composite_images == (
Image *) NULL)
5601 composite_image=RemoveFirstImageFromList(&composite_images);
5602 composite_images=DestroyImageList(composite_images);
5603 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5604 NULL,(
void *) NULL);
5605 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5606 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5607 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5608 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5611 geometry[MaxTextExtent];
5616 (void) FormatLocaleString(geometry,MaxTextExtent,
"%gx%g!",
5617 primitive_info[1].point.x,primitive_info[1].point.y);
5618 composite_image->filter=image->filter;
5619 status&=TransformImage(&composite_image,(
char *) NULL,geometry);
5621 if (composite_image->matte == MagickFalse)
5622 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel);
5623 if (draw_info->opacity != OpaqueOpacity)
5624 status&=SetImageOpacity(composite_image,draw_info->opacity);
5625 SetGeometry(image,&geometry);
5626 image->gravity=draw_info->gravity;
5629 (void) FormatLocaleString(composite_geometry,MaxTextExtent,
5630 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5631 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5632 (void) ParseGravityGeometry(image,composite_geometry,&geometry,
5634 affine=draw_info->affine;
5635 affine.tx=(double) geometry.x;
5636 affine.ty=(
double) geometry.y;
5637 composite_image->interpolate=image->interpolate;
5638 if ((draw_info->compose == OverCompositeOp) ||
5639 (draw_info->compose == SrcOverCompositeOp))
5640 status&=DrawAffineImage(image,composite_image,&affine);
5642 status&=CompositeImage(image,draw_info->compose,composite_image,
5643 geometry.x,geometry.y);
5644 composite_image=DestroyImage(composite_image);
5647 case PointPrimitive:
5655 if ((y < 0) || (y >= (ssize_t) image->rows))
5657 if ((x < 0) || (x >= (ssize_t) image->columns))
5659 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5662 (void) GetFillColor(draw_info,x,y,&fill_color);
5663 MagickCompositeOver(&fill_color,(MagickRealType) fill_color.opacity,q,
5664 (MagickRealType) q->opacity,q);
5665 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5671 geometry[MaxTextExtent];
5676 if (primitive_info->text == (
char *) NULL)
5678 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5679 (void) CloneString(&clone_info->text,primitive_info->text);
5680 (void) FormatLocaleString(geometry,MaxTextExtent,
"%+f%+f",
5681 primitive_info->point.x,primitive_info->point.y);
5682 (void) CloneString(&clone_info->geometry,geometry);
5683 status&=AnnotateImage(image,clone_info);
5684 clone_info=DestroyDrawInfo(clone_info);
5696 if (IsEventLogging() != MagickFalse)
5697 LogPrimitiveInfo(primitive_info);
5698 scale=ExpandAffine(&draw_info->affine);
5699 if ((draw_info->dash_pattern != (
double *) NULL) &&
5700 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5701 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5702 (draw_info->stroke.opacity != (Quantum) TransparentOpacity))
5707 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5708 clone_info->stroke_width=0.0;
5709 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5710 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5711 clone_info=DestroyDrawInfo(clone_info);
5712 if (status != MagickFalse)
5713 status&=DrawDashPolygon(draw_info,primitive_info,image);
5716 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5718 ((draw_info->stroke.opacity != (Quantum) TransparentOpacity) ||
5719 (draw_info->stroke_pattern != (
Image *) NULL)))
5731 closed_path=primitive_info[0].closed_subpath;
5732 i=(ssize_t) primitive_info[0].coordinates;
5733 x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5734 y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5735 if ((x < MagickEpsilon) && (y < MagickEpsilon))
5736 closed_path=MagickTrue;
5737 if ((((draw_info->linecap == RoundCap) ||
5738 (closed_path != MagickFalse)) &&
5739 (draw_info->linejoin == RoundJoin)) ||
5740 (primitive_info[i].primitive != UndefinedPrimitive))
5742 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5745 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5746 clone_info->stroke_width=0.0;
5747 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5748 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5749 clone_info=DestroyDrawInfo(clone_info);
5750 if (status != MagickFalse)
5751 status&=DrawStrokePolygon(image,draw_info,primitive_info);
5754 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5758 image_view=DestroyCacheView(image_view);
5759 if (draw_info->compliance == SVGCompliance)
5761 status&=SetImageClipMask(image,(
Image *) NULL);
5762 status&=SetImageMask(image,(
Image *) NULL);
5764 if (draw_info->debug != MagickFalse)
5765 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5766 return(status != 0 ? MagickTrue : MagickFalse);
5799 static MagickBooleanType DrawRoundLinecap(
Image *image,
5808 for (i=0; i < 4; i++)
5809 linecap[i]=(*primitive_info);
5810 linecap[0].coordinates=4;
5811 linecap[1].point.x+=2.0*MagickEpsilon;
5812 linecap[2].point.x+=2.0*MagickEpsilon;
5813 linecap[2].point.y+=2.0*MagickEpsilon;
5814 linecap[3].point.y+=2.0*MagickEpsilon;
5815 linecap[4].primitive=UndefinedPrimitive;
5816 return(DrawPolygonPrimitive(image,draw_info,linecap));
5819 static MagickBooleanType DrawStrokePolygon(
Image *image,
5841 if (draw_info->debug != MagickFalse)
5842 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5843 " begin draw-stroke-polygon");
5844 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5845 clone_info->fill=draw_info->stroke;
5846 if (clone_info->fill_pattern != (
Image *) NULL)
5847 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5848 if (clone_info->stroke_pattern != (
Image *) NULL)
5849 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5850 MagickTrue,&clone_info->stroke_pattern->exception);
5851 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5852 clone_info->stroke_width=0.0;
5853 clone_info->fill_rule=NonZeroRule;
5855 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=p->coordinates)
5857 if (p->coordinates == 1)
5859 stroke_polygon=TraceStrokePolygon(draw_info,p,&image->exception);
5865 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon);
5866 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5869 q=p+p->coordinates-1;
5870 closed_path=p->closed_subpath;
5871 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5873 status&=DrawRoundLinecap(image,draw_info,p);
5874 status&=DrawRoundLinecap(image,draw_info,q);
5877 clone_info=DestroyDrawInfo(clone_info);
5878 if (draw_info->debug != MagickFalse)
5879 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5880 " end draw-stroke-polygon");
5881 return(status != 0 ? MagickTrue : MagickFalse);
5907 MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5910 if (IsEventLogging() != MagickFalse)
5911 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5912 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5913 affine_matrix->sx=1.0;
5914 affine_matrix->sy=1.0;
5955 assert(draw_info != (
DrawInfo *) NULL);
5956 if (IsEventLogging() != MagickFalse)
5957 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5958 (void) memset(draw_info,0,
sizeof(*draw_info));
5959 draw_info->image_info=CloneImageInfo(image_info);
5960 GetAffineMatrix(&draw_info->affine);
5961 exception=AcquireExceptionInfo();
5962 (void) QueryColorDatabase(
"#000F",&draw_info->fill,exception);
5963 (void) QueryColorDatabase(
"#FFF0",&draw_info->stroke,exception);
5964 draw_info->stroke_antialias=draw_info->image_info->antialias;
5965 draw_info->stroke_width=1.0;
5966 draw_info->fill_rule=EvenOddRule;
5967 draw_info->opacity=OpaqueOpacity;
5968 draw_info->fill_opacity=OpaqueOpacity;
5969 draw_info->stroke_opacity=OpaqueOpacity;
5970 draw_info->linecap=ButtCap;
5971 draw_info->linejoin=MiterJoin;
5972 draw_info->miterlimit=10;
5973 draw_info->decorate=NoDecoration;
5974 if (draw_info->image_info->font != (
char *) NULL)
5975 draw_info->font=AcquireString(draw_info->image_info->font);
5976 if (draw_info->image_info->density != (
char *) NULL)
5977 draw_info->density=AcquireString(draw_info->image_info->density);
5978 draw_info->text_antialias=draw_info->image_info->antialias;
5979 draw_info->pointsize=12.0;
5980 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
5981 draw_info->pointsize=draw_info->image_info->pointsize;
5982 draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
5983 draw_info->border_color=draw_info->image_info->border_color;
5984 draw_info->compose=OverCompositeOp;
5985 if (draw_info->image_info->server_name != (
char *) NULL)
5986 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
5987 draw_info->render=MagickTrue;
5988 draw_info->clip_path=MagickFalse;
5989 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
5990 MagickTrue : MagickFalse;
5991 option=GetImageOption(draw_info->image_info,
"direction");
5992 if (option != (
const char *) NULL)
5993 draw_info->direction=(DirectionType) ParseCommandOption(
5994 MagickDirectionOptions,MagickFalse,option);
5996 draw_info->direction=UndefinedDirection;
5997 option=GetImageOption(draw_info->image_info,
"encoding");
5998 if (option != (
const char *) NULL)
5999 (void) CloneString(&draw_info->encoding,option);
6000 option=GetImageOption(draw_info->image_info,
"family");
6001 if (option != (
const char *) NULL)
6002 (void) CloneString(&draw_info->family,option);
6003 option=GetImageOption(draw_info->image_info,
"fill");
6004 if (option != (
const char *) NULL)
6005 (void) QueryColorDatabase(option,&draw_info->fill,exception);
6006 option=GetImageOption(draw_info->image_info,
"gravity");
6007 if (option != (
const char *) NULL)
6008 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
6009 MagickFalse,option);
6010 option=GetImageOption(draw_info->image_info,
"interline-spacing");
6011 if (option != (
const char *) NULL)
6012 draw_info->interline_spacing=GetDrawValue(option,&next_token);
6013 option=GetImageOption(draw_info->image_info,
"interword-spacing");
6014 if (option != (
const char *) NULL)
6015 draw_info->interword_spacing=GetDrawValue(option,&next_token);
6016 option=GetImageOption(draw_info->image_info,
"kerning");
6017 if (option != (
const char *) NULL)
6018 draw_info->kerning=GetDrawValue(option,&next_token);
6019 option=GetImageOption(draw_info->image_info,
"stroke");
6020 if (option != (
const char *) NULL)
6021 (void) QueryColorDatabase(option,&draw_info->stroke,exception);
6022 option=GetImageOption(draw_info->image_info,
"strokewidth");
6023 if (option != (
const char *) NULL)
6024 draw_info->stroke_width=GetDrawValue(option,&next_token);
6025 option=GetImageOption(draw_info->image_info,
"style");
6026 if (option != (
const char *) NULL)
6027 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6028 MagickFalse,option);
6029 option=GetImageOption(draw_info->image_info,
"undercolor");
6030 if (option != (
const char *) NULL)
6031 (void) QueryColorDatabase(option,&draw_info->undercolor,exception);
6032 option=GetImageOption(draw_info->image_info,
"weight");
6033 if (option != (
const char *) NULL)
6038 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6040 weight=(ssize_t) StringToUnsignedLong(option);
6041 draw_info->weight=(size_t) weight;
6043 exception=DestroyExceptionInfo(exception);
6044 draw_info->signature=MagickCoreSignature;
6072 static inline double Permutate(
const ssize_t n,
const ssize_t k)
6081 for (i=k+1; i <= n; i++)
6083 for (i=1; i <= (n-k); i++)
6111 center.x=0.5*(end.x+start.x);
6112 center.y=0.5*(end.y+start.y);
6113 radius.x=fabs(center.x-start.x);
6114 radius.y=fabs(center.y-start.y);
6115 return(TraceEllipse(mvg_info,center,radius,degrees));
6118 static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6120 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6157 offset=mvg_info->offset;
6158 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6159 primitive_info->coordinates=0;
6160 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6161 (fabs(start.y-end.y) < MagickEpsilon))
6162 return(TracePoint(primitive_info,end));
6163 radii.x=fabs(arc.x);
6164 radii.y=fabs(arc.y);
6165 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6166 return(TraceLine(primitive_info,start,end));
6167 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6168 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6169 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6170 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6171 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6173 if (delta < MagickEpsilon)
6174 return(TraceLine(primitive_info,start,end));
6177 radii.x*=sqrt((
double) delta);
6178 radii.y*=sqrt((
double) delta);
6180 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6181 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6182 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6183 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6184 alpha=points[1].x-points[0].x;
6185 beta=points[1].y-points[0].y;
6186 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6187 return(TraceLine(primitive_info,start,end));
6188 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6193 factor=sqrt((
double) factor);
6194 if (sweep == large_arc)
6197 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6198 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6199 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6200 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6201 if ((theta < 0.0) && (sweep != MagickFalse))
6202 theta+=2.0*MagickPI;
6204 if ((theta > 0.0) && (sweep == MagickFalse))
6205 theta-=2.0*MagickPI;
6206 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6207 MagickPI+MagickEpsilon)))));
6210 for (i=0; i < (ssize_t) arc_segments; i++)
6212 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6213 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6214 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6215 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6216 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6217 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6218 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6219 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6220 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6221 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6222 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6223 theta/arc_segments),DegreesToRadians(360.0))));
6224 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6225 theta/arc_segments),DegreesToRadians(360.0))));
6226 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6227 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6228 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6229 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6230 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6231 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6232 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6234 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6236 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6238 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6240 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6242 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6244 if (i == (ssize_t) (arc_segments-1))
6246 status&=TraceBezier(mvg_info,4);
6249 p=(*mvg_info->primitive_info)+mvg_info->offset;
6250 mvg_info->offset+=p->coordinates;
6254 return(MagickFalse);
6255 mvg_info->offset=offset;
6256 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6257 primitive_info->coordinates=(
size_t) (p-primitive_info);
6258 primitive_info->closed_subpath=MagickFalse;
6259 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6261 p->primitive=primitive_info->primitive;
6267 static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6268 const size_t number_coordinates)
6297 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6298 quantum=number_coordinates;
6299 for (i=0; i < (ssize_t) number_coordinates; i++)
6301 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6303 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6304 if (alpha > (
double) MAGICK_SSIZE_MAX)
6306 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6307 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6308 return(MagickFalse);
6310 if (alpha > (
double) quantum)
6311 quantum=(
size_t) alpha;
6312 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6313 if (alpha > (
double) MAGICK_SSIZE_MAX)
6315 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6316 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6317 return(MagickFalse);
6319 if (alpha > (
double) quantum)
6320 quantum=(
size_t) alpha;
6323 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6324 sizeof(*coefficients));
6325 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6326 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6328 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6331 points=(
PointInfo *) RelinquishMagickMemory(points);
6332 if (coefficients != (
double *) NULL)
6333 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6334 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6335 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6336 return(MagickFalse);
6338 control_points=quantum*number_coordinates;
6339 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6341 points=(
PointInfo *) RelinquishMagickMemory(points);
6342 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6343 return(MagickFalse);
6345 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6349 end=primitive_info[number_coordinates-1].point;
6350 for (i=0; i < (ssize_t) number_coordinates; i++)
6351 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6353 for (i=0; i < (ssize_t) control_points; i++)
6358 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6359 for (j=0; j < (ssize_t) number_coordinates; j++)
6361 point.x+=alpha*coefficients[j]*p->point.x;
6362 point.y+=alpha*coefficients[j]*p->point.y;
6363 alpha*=weight/(1.0-weight);
6367 weight+=1.0/control_points;
6373 for (i=0; i < (ssize_t) control_points; i++)
6375 if (TracePoint(p,points[i]) == MagickFalse)
6377 points=(
PointInfo *) RelinquishMagickMemory(points);
6378 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6379 return(MagickFalse);
6383 if (TracePoint(p,end) == MagickFalse)
6385 points=(
PointInfo *) RelinquishMagickMemory(points);
6386 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6387 return(MagickFalse);
6390 primitive_info->coordinates=(size_t) (p-primitive_info);
6391 primitive_info->closed_subpath=MagickFalse;
6392 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6394 p->primitive=primitive_info->primitive;
6397 points=(
PointInfo *) RelinquishMagickMemory(points);
6398 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6402 static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6414 alpha=end.x-start.x;
6416 radius=hypot((
double) alpha,(
double) beta);
6417 offset.x=(double) radius;
6418 offset.y=(double) radius;
6421 return(TraceEllipse(mvg_info,start,offset,degrees));
6424 static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6450 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6451 primitive_info->coordinates=0;
6452 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6454 delta=PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6455 step=MagickPI/(MagickPI*PerceptibleReciprocal(delta))/8.0;
6456 angle.x=DegreesToRadians(arc.x);
6460 angle.y=DegreesToRadians(y);
6461 coordinates=ceil((angle.y-angle.x)/step+1.0);
6462 if (CheckPrimitiveExtent(mvg_info,coordinates+1) == MagickFalse)
6463 return(MagickFalse);
6465 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6466 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6468 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6469 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6470 if (i++ >= (ssize_t) coordinates)
6472 if (TracePoint(p,point) == MagickFalse)
6473 return(MagickFalse);
6476 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6477 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6478 if (TracePoint(p,point) == MagickFalse)
6479 return(MagickFalse);
6481 primitive_info->coordinates=(size_t) (p-primitive_info);
6482 primitive_info->closed_subpath=MagickFalse;
6483 x=fabs(primitive_info[0].point.x-
6484 primitive_info[primitive_info->coordinates-1].point.x);
6485 y=fabs(primitive_info[0].point.y-
6486 primitive_info[primitive_info->coordinates-1].point.y);
6487 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6488 primitive_info->closed_subpath=MagickTrue;
6489 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6491 p->primitive=primitive_info->primitive;
6497 static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6500 if (TracePoint(primitive_info,start) == MagickFalse)
6501 return(MagickFalse);
6502 if (TracePoint(primitive_info+1,end) == MagickFalse)
6503 return(MagickFalse);
6504 (primitive_info+1)->primitive=primitive_info->primitive;
6505 primitive_info->coordinates=2;
6506 primitive_info->closed_subpath=MagickFalse;
6510 static ssize_t TracePath(
Image *image,
MVGInfo *mvg_info,
const char *path)
6514 token[MaxTextExtent] =
"";
6532 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6555 subpath_offset=mvg_info->offset;
6556 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6559 number_coordinates=0;
6562 primitive_type=primitive_info->primitive;
6564 for (p=path; *p !=
'\0'; )
6566 if (status == MagickFalse)
6568 while (isspace((
int) ((
unsigned char) *p)) != 0)
6572 last_attribute=attribute;
6573 attribute=(int) (*p++);
6583 large_arc = MagickFalse,
6584 sweep = MagickFalse;
6594 (void) GetNextToken(p,&p,MaxTextExtent,token);
6596 (void) GetNextToken(p,&p,MaxTextExtent,token);
6597 arc.x=GetDrawValue(token,&next_token);
6598 if (token == next_token)
6599 ThrowPointExpectedException(image,token);
6600 (void) GetNextToken(p,&p,MaxTextExtent,token);
6602 (void) GetNextToken(p,&p,MaxTextExtent,token);
6603 arc.y=GetDrawValue(token,&next_token);
6604 if (token == next_token)
6605 ThrowPointExpectedException(image,token);
6606 (void) GetNextToken(p,&p,MaxTextExtent,token);
6608 (void) GetNextToken(p,&p,MaxTextExtent,token);
6609 angle=GetDrawValue(token,&next_token);
6610 if (token == next_token)
6611 ThrowPointExpectedException(image,token);
6612 (void) GetNextToken(p,&p,MaxTextExtent,token);
6614 (void) GetNextToken(p,&p,MaxTextExtent,token);
6615 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6616 (void) GetNextToken(p,&p,MaxTextExtent,token);
6618 (void) GetNextToken(p,&p,MaxTextExtent,token);
6619 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6621 (void) GetNextToken(p,&p,MaxTextExtent,token);
6622 (void) GetNextToken(p,&p,MaxTextExtent,token);
6624 (void) GetNextToken(p,&p,MaxTextExtent,token);
6625 x=GetDrawValue(token,&next_token);
6626 if (token == next_token)
6627 ThrowPointExpectedException(image,token);
6628 (void) GetNextToken(p,&p,MaxTextExtent,token);
6630 (void) GetNextToken(p,&p,MaxTextExtent,token);
6631 y=GetDrawValue(token,&next_token);
6632 if (token == next_token)
6633 ThrowPointExpectedException(image,token);
6634 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6635 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6636 status&=TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep);
6637 q=(*mvg_info->primitive_info)+mvg_info->offset;
6638 mvg_info->offset+=q->coordinates;
6641 while (isspace((
int) ((
unsigned char) *p)) != 0)
6645 }
while (IsPoint(p) != MagickFalse);
6657 for (i=1; i < 4; i++)
6659 (void) GetNextToken(p,&p,MaxTextExtent,token);
6661 (void) GetNextToken(p,&p,MaxTextExtent,token);
6662 x=GetDrawValue(token,&next_token);
6663 if (token == next_token)
6664 ThrowPointExpectedException(image,token);
6665 (void) GetNextToken(p,&p,MaxTextExtent,token);
6667 (void) GetNextToken(p,&p,MaxTextExtent,token);
6668 y=GetDrawValue(token,&next_token);
6669 if (token == next_token)
6670 ThrowPointExpectedException(image,token);
6671 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6672 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6675 for (i=0; i < 4; i++)
6676 (q+i)->point=points[i];
6677 if (TraceBezier(mvg_info,4) == MagickFalse)
6679 q=(*mvg_info->primitive_info)+mvg_info->offset;
6680 mvg_info->offset+=q->coordinates;
6683 while (isspace((
int) ((
unsigned char) *p)) != 0)
6687 }
while (IsPoint(p) != MagickFalse);
6695 (void) GetNextToken(p,&p,MaxTextExtent,token);
6697 (void) GetNextToken(p,&p,MaxTextExtent,token);
6698 x=GetDrawValue(token,&next_token);
6699 if (token == next_token)
6700 ThrowPointExpectedException(image,token);
6701 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6702 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6704 q=(*mvg_info->primitive_info)+mvg_info->offset;
6705 if (TracePoint(q,point) == MagickFalse)
6707 mvg_info->offset+=q->coordinates;
6709 while (isspace((
int) ((
unsigned char) *p)) != 0)
6713 }
while (IsPoint(p) != MagickFalse);
6724 (void) GetNextToken(p,&p,MaxTextExtent,token);
6726 (void) GetNextToken(p,&p,MaxTextExtent,token);
6727 x=GetDrawValue(token,&next_token);
6728 if (token == next_token)
6729 ThrowPointExpectedException(image,token);
6730 (void) GetNextToken(p,&p,MaxTextExtent,token);
6732 (void) GetNextToken(p,&p,MaxTextExtent,token);
6733 y=GetDrawValue(token,&next_token);
6734 if (token == next_token)
6735 ThrowPointExpectedException(image,token);
6736 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6737 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6738 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6740 q=(*mvg_info->primitive_info)+mvg_info->offset;
6741 if (TracePoint(q,point) == MagickFalse)
6743 mvg_info->offset+=q->coordinates;
6745 while (isspace((
int) ((
unsigned char) *p)) != 0)
6749 }
while (IsPoint(p) != MagickFalse);
6758 if (mvg_info->offset != subpath_offset)
6760 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6761 primitive_info->coordinates=(size_t) (q-primitive_info);
6762 number_coordinates+=primitive_info->coordinates;
6764 subpath_offset=mvg_info->offset;
6769 (void) GetNextToken(p,&p,MaxTextExtent,token);
6771 (void) GetNextToken(p,&p,MaxTextExtent,token);
6772 x=GetDrawValue(token,&next_token);
6773 if (token == next_token)
6774 ThrowPointExpectedException(image,token);
6775 (void) GetNextToken(p,&p,MaxTextExtent,token);
6777 (void) GetNextToken(p,&p,MaxTextExtent,token);
6778 y=GetDrawValue(token,&next_token);
6779 if (token == next_token)
6780 ThrowPointExpectedException(image,token);
6781 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6782 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6786 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6788 q=(*mvg_info->primitive_info)+mvg_info->offset;
6789 if (TracePoint(q,point) == MagickFalse)
6791 mvg_info->offset+=q->coordinates;
6793 while (isspace((
int) ((
unsigned char) *p)) != 0)
6797 }
while (IsPoint(p) != MagickFalse);
6809 for (i=1; i < 3; i++)
6811 (void) GetNextToken(p,&p,MaxTextExtent,token);
6813 (void) GetNextToken(p,&p,MaxTextExtent,token);
6814 x=GetDrawValue(token,&next_token);
6815 if (token == next_token)
6816 ThrowPointExpectedException(image,token);
6817 (void) GetNextToken(p,&p,MaxTextExtent,token);
6819 (void) GetNextToken(p,&p,MaxTextExtent,token);
6820 y=GetDrawValue(token,&next_token);
6821 if (token == next_token)
6822 ThrowPointExpectedException(image,token);
6825 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6826 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6829 for (i=0; i < 3; i++)
6830 (q+i)->point=points[i];
6831 if (TraceBezier(mvg_info,3) == MagickFalse)
6833 q=(*mvg_info->primitive_info)+mvg_info->offset;
6834 mvg_info->offset+=q->coordinates;
6837 while (isspace((
int) ((
unsigned char) *p)) != 0)
6841 }
while (IsPoint(p) != MagickFalse);
6852 points[0]=points[3];
6853 points[1].x=2.0*points[3].x-points[2].x;
6854 points[1].y=2.0*points[3].y-points[2].y;
6855 for (i=2; i < 4; i++)
6857 (void) GetNextToken(p,&p,MaxTextExtent,token);
6859 (void) GetNextToken(p,&p,MaxTextExtent,token);
6860 x=GetDrawValue(token,&next_token);
6861 if (token == next_token)
6862 ThrowPointExpectedException(image,token);
6863 (void) GetNextToken(p,&p,MaxTextExtent,token);
6865 (void) GetNextToken(p,&p,MaxTextExtent,token);
6866 y=GetDrawValue(token,&next_token);
6867 if (token == next_token)
6868 ThrowPointExpectedException(image,token);
6871 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6872 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6875 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6880 for (i=0; i < 4; i++)
6881 (q+i)->point=points[i];
6882 if (TraceBezier(mvg_info,4) == MagickFalse)
6884 q=(*mvg_info->primitive_info)+mvg_info->offset;
6885 mvg_info->offset+=q->coordinates;
6888 last_attribute=attribute;
6889 while (isspace((
int) ((
unsigned char) *p)) != 0)
6893 }
while (IsPoint(p) != MagickFalse);
6904 points[0]=points[2];
6905 points[1].x=2.0*points[2].x-points[1].x;
6906 points[1].y=2.0*points[2].y-points[1].y;
6907 for (i=2; i < 3; i++)
6909 (void) GetNextToken(p,&p,MaxTextExtent,token);
6911 (void) GetNextToken(p,&p,MaxTextExtent,token);
6912 x=GetDrawValue(token,&next_token);
6913 if (token == next_token)
6914 ThrowPointExpectedException(image,token);
6915 (void) GetNextToken(p,&p,MaxTextExtent,token);
6917 (void) GetNextToken(p,&p,MaxTextExtent,token);
6918 y=GetDrawValue(token,&next_token);
6919 if (token == next_token)
6920 ThrowPointExpectedException(image,token);
6921 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6922 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6925 if (status == MagickFalse)
6927 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6932 for (i=0; i < 3; i++)
6933 (q+i)->point=points[i];
6934 if (TraceBezier(mvg_info,3) == MagickFalse)
6936 q=(*mvg_info->primitive_info)+mvg_info->offset;
6937 mvg_info->offset+=q->coordinates;
6940 last_attribute=attribute;
6941 while (isspace((
int) ((
unsigned char) *p)) != 0)
6945 }
while (IsPoint(p) != MagickFalse);
6956 (void) GetNextToken(p,&p,MaxTextExtent,token);
6958 (void) GetNextToken(p,&p,MaxTextExtent,token);
6959 y=GetDrawValue(token,&next_token);
6960 if (token == next_token)
6961 ThrowPointExpectedException(image,token);
6962 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
6963 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6965 q=(*mvg_info->primitive_info)+mvg_info->offset;
6966 if (TracePoint(q,point) == MagickFalse)
6968 mvg_info->offset+=q->coordinates;
6970 while (isspace((
int) ((
unsigned char) *p)) != 0)
6974 }
while (IsPoint(p) != MagickFalse);
6984 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6986 q=(*mvg_info->primitive_info)+mvg_info->offset;
6987 if (TracePoint(q,point) == MagickFalse)
6989 mvg_info->offset+=q->coordinates;
6991 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6992 primitive_info->coordinates=(size_t) (q-primitive_info);
6993 primitive_info->closed_subpath=MagickTrue;
6994 number_coordinates+=primitive_info->coordinates;
6996 subpath_offset=mvg_info->offset;
7002 ThrowPointExpectedException(image,token);
7007 if (status == MagickFalse)
7009 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7010 primitive_info->coordinates=(size_t) (q-primitive_info);
7011 number_coordinates+=primitive_info->coordinates;
7012 for (i=0; i < (ssize_t) number_coordinates; i++)
7015 q->primitive=primitive_type;
7017 q->method=FillToBorderMethod;
7020 return((ssize_t) number_coordinates);
7023 static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7036 if (TracePoint(p,start) == MagickFalse)
7037 return(MagickFalse);
7041 if (TracePoint(p,point) == MagickFalse)
7042 return(MagickFalse);
7044 if (TracePoint(p,end) == MagickFalse)
7045 return(MagickFalse);
7049 if (TracePoint(p,point) == MagickFalse)
7050 return(MagickFalse);
7052 if (TracePoint(p,start) == MagickFalse)
7053 return(MagickFalse);
7055 primitive_info->coordinates=(size_t) (p-primitive_info);
7056 primitive_info->closed_subpath=MagickTrue;
7057 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7059 p->primitive=primitive_info->primitive;
7065 static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7085 offset=mvg_info->offset;
7086 segment.x=fabs(end.x-start.x);
7087 segment.y=fabs(end.y-start.y);
7088 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7090 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7093 if (arc.x > (0.5*segment.x))
7094 arc.x=0.5*segment.x;
7095 if (arc.y > (0.5*segment.y))
7096 arc.y=0.5*segment.y;
7097 point.x=start.x+segment.x-arc.x;
7098 point.y=start.y+arc.y;
7101 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7102 return(MagickFalse);
7103 p=(*mvg_info->primitive_info)+mvg_info->offset;
7104 mvg_info->offset+=p->coordinates;
7105 point.x=start.x+segment.x-arc.x;
7106 point.y=start.y+segment.y-arc.y;
7109 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7110 return(MagickFalse);
7111 p=(*mvg_info->primitive_info)+mvg_info->offset;
7112 mvg_info->offset+=p->coordinates;
7113 point.x=start.x+arc.x;
7114 point.y=start.y+segment.y-arc.y;
7117 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7118 return(MagickFalse);
7119 p=(*mvg_info->primitive_info)+mvg_info->offset;
7120 mvg_info->offset+=p->coordinates;
7121 point.x=start.x+arc.x;
7122 point.y=start.y+arc.y;
7125 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7126 return(MagickFalse);
7127 p=(*mvg_info->primitive_info)+mvg_info->offset;
7128 mvg_info->offset+=p->coordinates;
7129 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7130 return(MagickFalse);
7131 p=(*mvg_info->primitive_info)+mvg_info->offset;
7132 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7133 return(MagickFalse);
7135 mvg_info->offset=offset;
7136 primitive_info=(*mvg_info->primitive_info)+offset;
7137 primitive_info->coordinates=(size_t) (p-primitive_info);
7138 primitive_info->closed_subpath=MagickTrue;
7139 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7141 p->primitive=primitive_info->primitive;
7147 static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7148 const size_t number_vertices,
const double offset)
7165 for (i=1; i < (ssize_t) number_vertices; i++)
7167 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7168 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7169 if ((fabs((
double) dx) >= MagickEpsilon) ||
7170 (fabs((
double) dy) >= MagickEpsilon))
7173 if (i == (ssize_t) number_vertices)
7174 i=(ssize_t) number_vertices-1L;
7175 distance=hypot((
double) dx,(
double) dy);
7176 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7177 dx*(distance+offset)/distance);
7178 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7179 dy*(distance+offset)/distance);
7180 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7182 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7183 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7184 if ((fabs((
double) dx) >= MagickEpsilon) ||
7185 (fabs((
double) dy) >= MagickEpsilon))
7188 distance=hypot((
double) dx,(
double) dy);
7189 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7190 dx*(distance+offset)/distance);
7191 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7192 dy*(distance+offset)/distance);
7199 #define MaxStrokePad (6*BezierQuantum+360) 7200 #define CheckPathExtent(pad_p,pad_q) \ 7202 if ((pad_p) > MaxBezierCoordinates) \ 7203 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \ 7205 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \ 7207 if (~extent_p < (pad_p)) \ 7208 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \ 7211 extent_p+=(pad_p); \ 7212 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \ 7213 MaxStrokePad,sizeof(*stroke_p)); \ 7216 if ((pad_q) > MaxBezierCoordinates) \ 7217 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \ 7219 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \ 7221 if (~extent_q < (pad_q)) \ 7222 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \ 7225 extent_q+=(pad_q); \ 7226 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \ 7227 MaxStrokePad,sizeof(*stroke_q)); \ 7230 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \ 7232 if (stroke_p != (PointInfo *) NULL) \ 7233 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \ 7234 if (stroke_q != (PointInfo *) NULL) \ 7235 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \ 7236 polygon_primitive=(PrimitiveInfo *) \ 7237 RelinquishMagickMemory(polygon_primitive); \ 7238 (void) ThrowMagickException(exception,GetMagickModule(), \ 7239 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \ 7240 return((PrimitiveInfo *) NULL); \ 7244 typedef struct _StrokeSegment
7290 inverse_slope = {0.0, 0.0},
7297 number_vertices=primitive_info->coordinates;
7298 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7299 number_vertices+2UL,
sizeof(*polygon_primitive));
7302 (void) ThrowMagickException(exception,GetMagickModule(),
7303 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7306 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7307 sizeof(*polygon_primitive));
7308 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7309 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7310 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7311 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7312 if (((draw_info->linejoin == RoundJoin) ||
7313 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7315 polygon_primitive[number_vertices]=primitive_info[1];
7318 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7324 for (n=1; n < (ssize_t) number_vertices; n++)
7326 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7327 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7328 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7331 if (n == (ssize_t) number_vertices)
7333 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7339 sizeof(*stroke_polygon));
7340 stroke_polygon[0]=polygon_primitive[0];
7341 stroke_polygon[0].coordinates=0;
7344 return(stroke_polygon);
7346 n=(ssize_t) number_vertices-1L;
7348 extent_p=2*number_vertices;
7349 extent_q=2*number_vertices;
7350 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7352 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7357 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7359 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7361 RelinquishMagickMemory(polygon_primitive);
7362 (void) ThrowMagickException(exception,GetMagickModule(),
7363 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7367 inverse_slope.p=0.0;
7368 if (fabs(dx.p) < MagickEpsilon)
7371 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7373 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7376 if (fabs(dy.p) < MagickEpsilon)
7379 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7381 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7386 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7388 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7389 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7390 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7391 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7392 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7393 offset.y=(double) (offset.x*inverse_slope.p);
7394 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7396 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7397 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7398 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7399 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7400 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7401 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7402 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7403 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7407 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7408 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7409 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7410 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7411 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7412 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7413 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7414 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7421 stroke_q[p++]=box_q[0];
7422 stroke_p[q++]=box_p[0];
7423 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7428 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7429 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7430 dot_product=dx.q*dx.q+dy.q*dy.q;
7431 if (dot_product < 0.25)
7434 inverse_slope.q=0.0;
7435 if (fabs(dx.q) < MagickEpsilon)
7438 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7440 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7443 if (fabs(dy.q) < MagickEpsilon)
7446 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7448 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7453 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7455 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7456 offset.y=(double) (offset.x*inverse_slope.q);
7457 dot_product=dy.q*offset.x-dx.q*offset.y;
7458 if (dot_product > 0.0)
7460 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7461 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7462 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7463 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7464 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7465 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7466 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7467 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7471 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7472 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7473 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7474 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7475 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7476 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7477 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7478 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7480 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7487 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7488 box_p[3].y)/(slope.p-slope.q));
7489 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7490 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7491 box_q[3].y)/(slope.p-slope.q));
7492 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7494 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7495 dot_product=dx.q*dy.p-dx.p*dy.q;
7496 if (dot_product <= 0.0)
7497 switch (draw_info->linejoin)
7501 stroke_q[q++]=box_q[1];
7502 stroke_q[q++]=box_q[2];
7503 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7504 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7505 if (dot_product <= miterlimit)
7506 stroke_p[p++]=box_p[4];
7509 stroke_p[p++]=box_p[1];
7510 stroke_p[p++]=box_p[2];
7516 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7517 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7518 if (dot_product <= miterlimit)
7520 stroke_q[q++]=box_q[4];
7521 stroke_p[p++]=box_p[4];
7525 stroke_q[q++]=box_q[1];
7526 stroke_q[q++]=box_q[2];
7527 stroke_p[p++]=box_p[1];
7528 stroke_p[p++]=box_p[2];
7534 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7535 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7536 if (dot_product <= miterlimit)
7537 stroke_p[p++]=box_p[4];
7540 stroke_p[p++]=box_p[1];
7541 stroke_p[p++]=box_p[2];
7543 center=polygon_primitive[n].point;
7544 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7545 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7546 if (theta.q < theta.p)
7547 theta.q+=2.0*MagickPI;
7548 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7549 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7550 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7551 stroke_q[q].x=box_q[1].x;
7552 stroke_q[q].y=box_q[1].y;
7554 for (j=1; j < (ssize_t) arc_segments; j++)
7556 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7557 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7558 (theta.p+delta_theta),DegreesToRadians(360.0))));
7559 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7560 (theta.p+delta_theta),DegreesToRadians(360.0))));
7563 stroke_q[q++]=box_q[2];
7570 switch (draw_info->linejoin)
7574 stroke_p[p++]=box_p[1];
7575 stroke_p[p++]=box_p[2];
7576 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7577 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7578 if (dot_product <= miterlimit)
7579 stroke_q[q++]=box_q[4];
7582 stroke_q[q++]=box_q[1];
7583 stroke_q[q++]=box_q[2];
7589 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7590 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7591 if (dot_product <= miterlimit)
7593 stroke_q[q++]=box_q[4];
7594 stroke_p[p++]=box_p[4];
7598 stroke_q[q++]=box_q[1];
7599 stroke_q[q++]=box_q[2];
7600 stroke_p[p++]=box_p[1];
7601 stroke_p[p++]=box_p[2];
7607 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7608 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7609 if (dot_product <= miterlimit)
7610 stroke_q[q++]=box_q[4];
7613 stroke_q[q++]=box_q[1];
7614 stroke_q[q++]=box_q[2];
7616 center=polygon_primitive[n].point;
7617 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7618 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7619 if (theta.p < theta.q)
7620 theta.p+=2.0*MagickPI;
7621 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7622 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7623 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7624 stroke_p[p++]=box_p[1];
7625 for (j=1; j < (ssize_t) arc_segments; j++)
7627 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7628 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7629 (theta.p+delta_theta),DegreesToRadians(360.0))));
7630 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7631 (theta.p+delta_theta),DegreesToRadians(360.0))));
7634 stroke_p[p++]=box_p[2];
7641 inverse_slope.p=inverse_slope.q;
7650 stroke_p[p++]=box_p[1];
7651 stroke_q[q++]=box_q[1];
7655 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7656 (p+q+2UL*closed_path+2UL),
sizeof(*stroke_polygon));
7659 (void) ThrowMagickException(exception,GetMagickModule(),
7660 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7661 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7662 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7665 return(stroke_polygon);
7667 for (i=0; i < (ssize_t) p; i++)
7669 stroke_polygon[i]=polygon_primitive[0];
7670 stroke_polygon[i].point=stroke_p[i];
7672 if (closed_path != MagickFalse)
7674 stroke_polygon[i]=polygon_primitive[0];
7675 stroke_polygon[i].point=stroke_polygon[0].point;
7678 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7680 stroke_polygon[i]=polygon_primitive[0];
7681 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7683 if (closed_path != MagickFalse)
7685 stroke_polygon[i]=polygon_primitive[0];
7686 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7689 stroke_polygon[i]=polygon_primitive[0];
7690 stroke_polygon[i].point=stroke_polygon[0].point;
7692 stroke_polygon[i].primitive=UndefinedPrimitive;
7693 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7694 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7695 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7696 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7697 return(stroke_polygon);