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->number_edges=edge;
765 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(polygon_info->edges,
766 polygon_info->number_edges,
sizeof(*polygon_info->edges));
767 if (polygon_info->edges == (
EdgeInfo *) NULL)
769 (void) ThrowMagickException(exception,GetMagickModule(),
770 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
771 return(DestroyPolygonInfo(polygon_info));
773 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
778 edge_info=polygon_info->edges+i;
779 edge_info->points=(
PointInfo *) ResizeQuantumMemory(edge_info->points,
780 edge_info->number_points,
sizeof(*edge_info->points));
781 if (edge_info->points == (
PointInfo *) NULL)
783 (void) ThrowMagickException(exception,GetMagickModule(),
784 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
785 return(DestroyPolygonInfo(polygon_info));
788 qsort(polygon_info->edges,(
size_t) polygon_info->number_edges,
789 sizeof(*polygon_info->edges),DrawCompareEdges);
790 if ((GetLogEventMask() & DrawEvent) != 0)
791 LogPolygonInfo(polygon_info);
792 return(polygon_info);
826 static void LogPathInfo(
const PathInfo *path_info)
831 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin vector-path");
832 for (p=path_info; p->code != EndCode; p++)
833 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
834 " %g,%g %s",p->point.x,p->point.y,p->code == GhostlineCode ?
835 "moveto ghostline" : p->code == OpenCode ?
"moveto open" :
836 p->code == MoveToCode ?
"moveto" : p->code == LineToCode ?
"lineto" :
838 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end vector-path");
841 static PathInfo *ConvertPrimitiveToPath(
866 magick_unreferenced(draw_info);
871 switch (primitive_info->primitive)
882 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
883 path_info=(
PathInfo *) AcquireQuantumMemory((
size_t) (3UL*i+1UL),
887 (void) ThrowMagickException(exception,GetMagickModule(),
888 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
892 closed_subpath=MagickFalse;
899 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
902 if (coordinates <= 0)
907 coordinates=(ssize_t) primitive_info[i].coordinates;
908 p=primitive_info[i].point;
911 closed_subpath=primitive_info[i].closed_subpath;
914 if ((code == MoveToCode) || (coordinates <= 0) ||
915 (fabs(q.x-primitive_info[i].point.x) >= MagickEpsilon) ||
916 (fabs(q.y-primitive_info[i].point.y) >= MagickEpsilon))
921 path_info[n].code=code;
922 path_info[n].point=primitive_info[i].point;
923 q=primitive_info[i].point;
928 if (closed_subpath != MagickFalse)
930 closed_subpath=MagickFalse;
936 path_info[start].code=OpenCode;
937 path_info[n].code=GhostlineCode;
938 path_info[n].point=primitive_info[i].point;
940 path_info[n].code=LineToCode;
941 path_info[n].point=p;
944 path_info[n].code=EndCode;
945 path_info[n].point.x=0.0;
946 path_info[n].point.y=0.0;
947 if (IsEventLogging() != MagickFalse)
948 LogPathInfo(path_info);
949 path_info=(
PathInfo *) ResizeQuantumMemory(path_info,(
size_t) (n+1),
978 assert(draw_info != (
DrawInfo *) NULL);
979 assert(draw_info->signature == MagickCoreSignature);
980 if (IsEventLogging() != MagickFalse)
981 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
982 if (draw_info->id != (
char *) NULL)
983 draw_info->id=DestroyString(draw_info->id);
984 if (draw_info->primitive != (
char *) NULL)
985 draw_info->primitive=DestroyString(draw_info->primitive);
986 if (draw_info->text != (
char *) NULL)
987 draw_info->text=DestroyString(draw_info->text);
988 if (draw_info->geometry != (
char *) NULL)
989 draw_info->geometry=DestroyString(draw_info->geometry);
990 if (draw_info->tile != (
Image *) NULL)
991 draw_info->tile=DestroyImage(draw_info->tile);
992 if (draw_info->fill_pattern != (
Image *) NULL)
993 draw_info->fill_pattern=DestroyImage(draw_info->fill_pattern);
994 if (draw_info->stroke_pattern != (
Image *) NULL)
995 draw_info->stroke_pattern=DestroyImage(draw_info->stroke_pattern);
996 if (draw_info->font != (
char *) NULL)
997 draw_info->font=DestroyString(draw_info->font);
998 if (draw_info->metrics != (
char *) NULL)
999 draw_info->metrics=DestroyString(draw_info->metrics);
1000 if (draw_info->family != (
char *) NULL)
1001 draw_info->family=DestroyString(draw_info->family);
1002 if (draw_info->encoding != (
char *) NULL)
1003 draw_info->encoding=DestroyString(draw_info->encoding);
1004 if (draw_info->density != (
char *) NULL)
1005 draw_info->density=DestroyString(draw_info->density);
1006 if (draw_info->server_name != (
char *) NULL)
1007 draw_info->server_name=(
char *)
1008 RelinquishMagickMemory(draw_info->server_name);
1009 if (draw_info->dash_pattern != (
double *) NULL)
1010 draw_info->dash_pattern=(
double *) RelinquishMagickMemory(
1011 draw_info->dash_pattern);
1012 if (draw_info->gradient.stops != (
StopInfo *) NULL)
1013 draw_info->gradient.stops=(
StopInfo *) RelinquishMagickMemory(
1014 draw_info->gradient.stops);
1015 if (draw_info->clip_mask != (
char *) NULL)
1016 draw_info->clip_mask=DestroyString(draw_info->clip_mask);
1017 if (draw_info->clipping_mask != (
Image *) NULL)
1018 draw_info->clipping_mask=DestroyImage(draw_info->clipping_mask);
1019 if (draw_info->composite_mask != (
Image *) NULL)
1020 draw_info->composite_mask=DestroyImage(draw_info->composite_mask);
1021 if (draw_info->image_info != (
ImageInfo *) NULL)
1022 draw_info->image_info=DestroyImageInfo(draw_info->image_info);
1023 draw_info->signature=(~MagickCoreSignature);
1024 draw_info=(
DrawInfo *) RelinquishMagickMemory(draw_info);
1073 inverse_edge.x1=edge->x1;
1074 inverse_edge.y1=edge->y1;
1075 inverse_edge.x2=edge->x2;
1076 inverse_edge.y2=edge->y2;
1077 z=affine->ry*y+affine->tx;
1078 if (affine->sx >= MagickEpsilon)
1080 intercept=(-z/affine->sx);
1082 if (x > inverse_edge.x1)
1084 intercept=(-z+(double) image->columns)/affine->sx;
1086 if (x < inverse_edge.x2)
1090 if (affine->sx < -MagickEpsilon)
1092 intercept=(-z+(double) image->columns)/affine->sx;
1094 if (x > inverse_edge.x1)
1096 intercept=(-z/affine->sx);
1098 if (x < inverse_edge.x2)
1102 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->columns))
1104 inverse_edge.x2=edge->x1;
1105 return(inverse_edge);
1110 z=affine->sy*y+affine->ty;
1111 if (affine->rx >= MagickEpsilon)
1113 intercept=(-z/affine->rx);
1115 if (x > inverse_edge.x1)
1117 intercept=(-z+(double) image->rows)/affine->rx;
1119 if (x < inverse_edge.x2)
1123 if (affine->rx < -MagickEpsilon)
1125 intercept=(-z+(double) image->rows)/affine->rx;
1127 if (x > inverse_edge.x1)
1129 intercept=(-z/affine->rx);
1131 if (x < inverse_edge.x2)
1135 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->rows))
1137 inverse_edge.x2=edge->x2;
1138 return(inverse_edge);
1140 return(inverse_edge);
1151 determinant=PerceptibleReciprocal(affine->sx*affine->sy-affine->rx*
1153 inverse_affine.sx=determinant*affine->sy;
1154 inverse_affine.rx=determinant*(-affine->rx);
1155 inverse_affine.ry=determinant*(-affine->ry);
1156 inverse_affine.sy=determinant*affine->sx;
1157 inverse_affine.tx=(-affine->tx)*inverse_affine.sx-affine->ty*
1159 inverse_affine.ty=(-affine->tx)*inverse_affine.rx-affine->ty*
1161 return(inverse_affine);
1164 MagickExport MagickBooleanType DrawAffineImage(
Image *image,
1203 assert(image != (
Image *) NULL);
1204 assert(image->signature == MagickCoreSignature);
1205 assert(source != (
const Image *) NULL);
1206 assert(source->signature == MagickCoreSignature);
1207 if (IsEventLogging() != MagickFalse)
1208 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1212 extent[1].x=(double) source->columns;
1214 extent[2].x=(
double) source->columns;
1215 extent[2].y=(double) source->rows;
1217 extent[3].y=(
double) source->rows;
1218 for (i=0; i < 4; i++)
1221 extent[i].x=point.x*affine->sx+point.y*affine->ry+affine->tx;
1222 extent[i].y=point.x*affine->rx+point.y*affine->sy+affine->ty;
1226 for (i=1; i < 4; i++)
1228 if (min.x > extent[i].x)
1230 if (min.y > extent[i].y)
1232 if (max.x < extent[i].x)
1234 if (max.y < extent[i].y)
1240 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
1241 return(MagickFalse);
1247 inverse_affine=InverseAffineMatrix(affine);
1250 if (edge.y2 > (image->rows-1.0))
1251 edge.y2=image->rows-1.0;
1252 GetMagickPixelPacket(image,&zero);
1253 exception=(&image->exception);
1254 start=CastDoubleToLong(ceil(edge.y1-0.5));
1255 stop=CastDoubleToLong(floor(edge.y2+0.5));
1256 source_view=AcquireVirtualCacheView(source,exception);
1257 image_view=AcquireAuthenticCacheView(image,exception);
1258 #if defined(MAGICKCORE_OPENMP_SUPPORT) 1259 #pragma omp parallel for schedule(static) shared(status) \ 1260 magick_number_threads(source,image,stop-start,1) 1262 for (y=start; y <= stop; y++)
1265 *magick_restrict indexes;
1284 if (status == MagickFalse)
1286 inverse_edge=AffineEdge(source,&inverse_affine,(
double) y,&edge);
1287 if (inverse_edge.x2 < inverse_edge.x1)
1289 if (inverse_edge.x1 < 0.0)
1290 inverse_edge.x1=0.0;
1291 if (inverse_edge.x2 > image->columns-1.0)
1292 inverse_edge.x2=image->columns-1.0;
1293 q=GetCacheViewAuthenticPixels(image_view,CastDoubleToLong(
1294 ceil(inverse_edge.x1-0.5)),y,(
size_t) CastDoubleToLong(floor(
1295 inverse_edge.x2+0.5)-ceil(inverse_edge.x1-0.5)+1),1,exception);
1298 indexes=GetCacheViewAuthenticIndexQueue(image_view);
1302 for (x=CastDoubleToLong(ceil(inverse_edge.x1-0.5));
1303 x <= CastDoubleToLong(floor(inverse_edge.x2+0.5)); x++)
1305 point.x=(double) x*inverse_affine.sx+y*inverse_affine.ry+
1307 point.y=(
double) x*inverse_affine.rx+y*inverse_affine.sy+
1309 status=InterpolateMagickPixelPacket(source,source_view,
1310 UndefinedInterpolatePixel,point.x,point.y,&pixel,exception);
1311 if (status == MagickFalse)
1313 SetMagickPixelPacket(image,q,indexes+x_offset,&composite);
1314 MagickPixelCompositeOver(&pixel,pixel.opacity,&composite,
1315 composite.opacity,&composite);
1316 SetPixelPacket(image,&composite,q,indexes+x_offset);
1320 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1323 source_view=DestroyCacheView(source_view);
1324 image_view=DestroyCacheView(image_view);
1357 static MagickBooleanType DrawBoundingRectangles(
Image *image,
1386 (void) memset(primitive_info,0,
sizeof(primitive_info));
1387 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1388 status=QueryColorDatabase(
"#0000",&clone_info->fill,&image->exception);
1389 if (status == MagickFalse)
1391 clone_info=DestroyDrawInfo(clone_info);
1392 return(MagickFalse);
1396 if (clone_info->density != (
char *) NULL)
1404 flags=ParseGeometry(clone_info->density,&geometry_info);
1405 if ((flags & RhoValue) != 0)
1406 resolution.x=geometry_info.rho;
1407 resolution.y=resolution.x;
1408 if ((flags & SigmaValue) != 0)
1409 resolution.y=geometry_info.sigma;
1411 mid=(resolution.x/96.0)*ExpandAffine(&clone_info->affine)*
1412 clone_info->stroke_width/2.0;
1419 bounds=polygon_info->edges[0].bounds;
1420 for (i=1; i < (ssize_t) polygon_info->number_edges; i++)
1422 if (polygon_info->edges[i].bounds.x1 < (
double) bounds.x1)
1423 bounds.x1=polygon_info->edges[i].bounds.x1;
1424 if (polygon_info->edges[i].bounds.y1 < (
double) bounds.y1)
1425 bounds.y1=polygon_info->edges[i].bounds.y1;
1426 if (polygon_info->edges[i].bounds.x2 > (
double) bounds.x2)
1427 bounds.x2=polygon_info->edges[i].bounds.x2;
1428 if (polygon_info->edges[i].bounds.y2 > (
double) bounds.y2)
1429 bounds.y2=polygon_info->edges[i].bounds.y2;
1432 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double)
1433 image->columns ? (
double) image->columns-1 : bounds.x1;
1435 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double)
1436 image->rows ? (
double) image->rows-1 : bounds.y1;
1438 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double)
1439 image->columns ? (
double) image->columns-1 : bounds.x2;
1441 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double)
1442 image->rows ? (
double) image->rows-1 : bounds.y2;
1443 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
1445 if (polygon_info->edges[i].direction != 0)
1446 status=QueryColorDatabase(
"#f00",&clone_info->stroke,
1449 status=QueryColorDatabase(
"#0f0",&clone_info->stroke,
1451 if (status == MagickFalse)
1453 start.x=(double) (polygon_info->edges[i].bounds.x1-mid);
1454 start.y=(double) (polygon_info->edges[i].bounds.y1-mid);
1455 end.x=(double) (polygon_info->edges[i].bounds.x2+mid);
1456 end.y=(double) (polygon_info->edges[i].bounds.y2+mid);
1457 primitive_info[0].primitive=RectanglePrimitive;
1458 status&=TraceRectangle(primitive_info,start,end);
1459 primitive_info[0].method=ReplaceMethod;
1460 coordinates=(ssize_t) primitive_info[0].coordinates;
1461 primitive_info[coordinates].primitive=UndefinedPrimitive;
1462 status=DrawPrimitive(image,clone_info,primitive_info);
1463 if (status == MagickFalse)
1466 if (i < (ssize_t) polygon_info->number_edges)
1468 clone_info=DestroyDrawInfo(clone_info);
1469 return(status == 0 ? MagickFalse : MagickTrue);
1472 status=QueryColorDatabase(
"#00f",&clone_info->stroke,&image->exception);
1473 if (status == MagickFalse)
1475 clone_info=DestroyDrawInfo(clone_info);
1476 return(MagickFalse);
1478 start.x=(double) (bounds.x1-mid);
1479 start.y=(double) (bounds.y1-mid);
1480 end.x=(double) (bounds.x2+mid);
1481 end.y=(double) (bounds.y2+mid);
1482 primitive_info[0].primitive=RectanglePrimitive;
1483 status&=TraceRectangle(primitive_info,start,end);
1484 primitive_info[0].method=ReplaceMethod;
1485 coordinates=(ssize_t) primitive_info[0].coordinates;
1486 primitive_info[coordinates].primitive=UndefinedPrimitive;
1487 status=DrawPrimitive(image,clone_info,primitive_info);
1488 clone_info=DestroyDrawInfo(clone_info);
1489 return(status == 0 ? MagickFalse : MagickTrue);
1519 MagickExport MagickBooleanType DrawClipPath(
Image *image,
1520 const DrawInfo *draw_info,
const char *
id)
1531 clip_path=GetImageArtifact(image,
id);
1532 if (clip_path == (
const char *) NULL)
1533 return(MagickFalse);
1534 clipping_mask=DrawClippingMask(image,draw_info,draw_info->clip_mask,clip_path,
1536 if (clipping_mask == (
Image *) NULL)
1537 return(MagickFalse);
1538 status=SetImageClipMask(image,clipping_mask);
1539 clipping_mask=DestroyImage(clipping_mask);
1576 const char *
id,
const char *clip_path,
ExceptionInfo *exception)
1590 assert(image != (
Image *) NULL);
1591 assert(image->signature == MagickCoreSignature);
1592 assert(draw_info != (
const DrawInfo *) NULL);
1593 if (IsEventLogging() != MagickFalse)
1594 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1595 clip_mask=AcquireImage((
const ImageInfo *) NULL);
1596 status=SetImageExtent(clip_mask,image->columns,image->rows);
1597 if (status == MagickFalse)
1598 return(DestroyImage(clip_mask));
1599 status=SetImageClipMask(image,(
Image *) NULL);
1600 status=QueryColorCompliance(
"#0000",AllCompliance,
1601 &clip_mask->background_color,exception);
1602 clip_mask->background_color.opacity=(Quantum) TransparentOpacity;
1603 status=SetImageBackgroundColor(clip_mask);
1604 if (draw_info->debug != MagickFalse)
1605 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin clip-path %s",
1607 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1608 (void) CloneString(&clone_info->primitive,clip_path);
1609 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1611 if (clone_info->clip_mask != (
char *) NULL)
1612 clone_info->clip_mask=DestroyString(clone_info->clip_mask);
1613 (void) QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1615 clone_info->stroke_width=0.0;
1616 clone_info->opacity=OpaqueOpacity;
1617 clone_info->clip_path=MagickTrue;
1618 status=RenderMVGContent(clip_mask,clone_info,0);
1619 clone_info=DestroyDrawInfo(clone_info);
1620 status&=SeparateImageChannel(clip_mask,TrueAlphaChannel);
1621 if (draw_info->compliance != SVGCompliance)
1622 status&=NegateImage(clip_mask,MagickFalse);
1623 if (status == MagickFalse)
1624 clip_mask=DestroyImage(clip_mask);
1625 if (draw_info->debug != MagickFalse)
1626 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end clip-path");
1662 const char *
id,
const char *mask_path,
ExceptionInfo *exception)
1676 assert(image != (
Image *) NULL);
1677 assert(image->signature == MagickCoreSignature);
1678 assert(draw_info != (
const DrawInfo *) NULL);
1679 if (IsEventLogging() != MagickFalse)
1680 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1681 composite_mask=AcquireImage((
const ImageInfo *) NULL);
1682 status=SetImageExtent(composite_mask,image->columns,image->rows);
1683 if (status == MagickFalse)
1684 return(DestroyImage(composite_mask));
1685 status=SetImageMask(image,(
Image *) NULL);
1686 status=QueryColorCompliance(
"#0000",AllCompliance,
1687 &composite_mask->background_color,exception);
1688 composite_mask->background_color.opacity=(Quantum) TransparentOpacity;
1689 (void) SetImageBackgroundColor(composite_mask);
1690 if (draw_info->debug != MagickFalse)
1691 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin mask-path %s",
1693 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1694 (void) CloneString(&clone_info->primitive,mask_path);
1695 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1697 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1699 clone_info->stroke_width=0.0;
1700 clone_info->opacity=OpaqueOpacity;
1701 status=RenderMVGContent(composite_mask,clone_info,0);
1702 clone_info=DestroyDrawInfo(clone_info);
1703 status&=SeparateImageChannel(composite_mask,TrueAlphaChannel);
1704 status&=NegateImage(composite_mask,MagickFalse);
1705 if (status == MagickFalse)
1706 composite_mask=DestroyImage(composite_mask);
1707 if (draw_info->debug != MagickFalse)
1708 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end mask-path");
1709 return(composite_mask);
1741 static MagickBooleanType DrawDashPolygon(
const DrawInfo *draw_info,
1772 assert(draw_info != (
const DrawInfo *) NULL);
1773 if (draw_info->debug != MagickFalse)
1774 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1775 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1776 number_vertices=(size_t) i;
1777 dash_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1778 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1781 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1782 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1783 return(MagickFalse);
1785 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1786 sizeof(*dash_polygon));
1787 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1788 clone_info->miterlimit=0;
1789 dash_polygon[0]=primitive_info[0];
1790 scale=ExpandAffine(&draw_info->affine);
1791 length=scale*draw_info->dash_pattern[0];
1792 offset=fabs(draw_info->dash_offset) >= MagickEpsilon ?
1793 scale*draw_info->dash_offset : 0.0;
1795 for (n=0; offset > 0.0; j=0)
1797 if (draw_info->dash_pattern[n] <= 0.0)
1799 length=scale*(draw_info->dash_pattern[n]+(n == 0 ? -0.5 : 0.5));
1800 if (offset > length)
1804 length=scale*draw_info->dash_pattern[n];
1807 if (offset < length)
1819 for (i=1; (i < (ssize_t) number_vertices) && (length >= 0.0); i++)
1821 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
1822 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
1823 maximum_length=hypot(dx,dy);
1824 if (maximum_length > (
double) (MaxBezierCoordinates >> 2))
1826 if (fabs(length) < MagickEpsilon)
1828 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1830 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1832 length=scale*draw_info->dash_pattern[n];
1834 for (total_length=0.0; (length >= 0.0) && (maximum_length >= (total_length+length)); )
1836 total_length+=length;
1837 if ((n & 0x01) != 0)
1839 dash_polygon[0]=primitive_info[0];
1840 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1841 total_length*PerceptibleReciprocal(maximum_length));
1842 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1843 total_length*PerceptibleReciprocal(maximum_length));
1848 if ((j+1) > (ssize_t) number_vertices)
1850 dash_polygon[j]=primitive_info[i-1];
1851 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1852 total_length*PerceptibleReciprocal(maximum_length));
1853 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1854 total_length*PerceptibleReciprocal(maximum_length));
1855 dash_polygon[j].coordinates=1;
1857 dash_polygon[0].coordinates=(size_t) j;
1858 dash_polygon[j].primitive=UndefinedPrimitive;
1859 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1860 if (status == MagickFalse)
1863 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1865 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1867 length=scale*draw_info->dash_pattern[n];
1869 length-=(maximum_length-total_length);
1870 if ((n & 0x01) != 0)
1872 dash_polygon[j]=primitive_info[i];
1873 dash_polygon[j].coordinates=1;
1876 if ((status != MagickFalse) && (total_length < maximum_length) &&
1877 ((n & 0x01) == 0) && (j > 1))
1879 dash_polygon[j]=primitive_info[i-1];
1880 dash_polygon[j].point.x+=MagickEpsilon;
1881 dash_polygon[j].point.y+=MagickEpsilon;
1882 dash_polygon[j].coordinates=1;
1884 dash_polygon[0].coordinates=(size_t) j;
1885 dash_polygon[j].primitive=UndefinedPrimitive;
1886 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1888 dash_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1889 clone_info=DestroyDrawInfo(clone_info);
1890 if (draw_info->debug != MagickFalse)
1891 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1892 return(status != 0 ? MagickTrue : MagickFalse);
1921 static inline double GetStopColorOffset(
const GradientInfo *gradient,
1922 const ssize_t x,
const ssize_t y)
1924 switch (gradient->type)
1926 case UndefinedGradient:
1927 case LinearGradient:
1942 gradient_vector=(&gradient->gradient_vector);
1943 p.x=gradient_vector->x2-gradient_vector->x1;
1944 p.y=gradient_vector->y2-gradient_vector->y1;
1945 q.x=(double) x-gradient_vector->x1;
1946 q.y=(
double) y-gradient_vector->y1;
1947 length=sqrt(q.x*q.x+q.y*q.y);
1948 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1949 gamma=PerceptibleReciprocal(gamma);
1950 scale=p.x*q.x+p.y*q.y;
1951 offset=gamma*scale*length;
1954 case RadialGradient:
1959 if (gradient->spread == RepeatSpread)
1961 v.x=(double) x-gradient->center.x;
1962 v.y=(
double) y-gradient->center.y;
1963 return(sqrt(v.x*v.x+v.y*v.y));
1965 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1966 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1967 gradient->angle))))*PerceptibleReciprocal(gradient->radii.x);
1968 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1969 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1970 gradient->angle))))*PerceptibleReciprocal(gradient->radii.y);
1971 return(sqrt(v.x*v.x+v.y*v.y));
1977 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 #if defined(MAGICKCORE_OPENMP_SUPPORT) 2029 #pragma omp parallel for schedule(static) shared(status) \ 2030 magick_number_threads(image,image,(size_t) (bounding_box.height-bounding_box.y),1) 2032 for (y=bounding_box.y; y < (ssize_t) bounding_box.height; y++)
2043 *magick_restrict indexes;
2053 if (status == MagickFalse)
2055 q=GetCacheViewAuthenticPixels(image_view,bounding_box.x,y,(
size_t)
2056 (bounding_box.width-bounding_box.x),1,exception);
2062 indexes=GetCacheViewAuthenticIndexQueue(image_view);
2065 offset=GetStopColorOffset(gradient,0,y);
2066 if (gradient->type != RadialGradient)
2067 offset*=PerceptibleReciprocal(length);
2068 for (x=bounding_box.x; x < (ssize_t) bounding_box.width; x++)
2070 SetMagickPixelPacket(image,q,indexes+x,&pixel);
2071 switch (gradient->spread)
2073 case UndefinedSpread:
2076 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2077 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2079 offset=GetStopColorOffset(gradient,x,y);
2080 if (gradient->type != RadialGradient)
2081 offset*=PerceptibleReciprocal(length);
2083 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2084 if (offset < gradient->stops[i].offset)
2086 if ((offset < 0.0) || (i == 0))
2087 composite=gradient->stops[0].color;
2089 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2090 composite=gradient->stops[gradient->number_stops-1].color;
2095 alpha=(offset-gradient->stops[i].offset)/
2096 (gradient->stops[j].offset-gradient->stops[i].offset);
2097 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2098 &gradient->stops[j].color,alpha,&composite);
2104 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2105 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2107 offset=GetStopColorOffset(gradient,x,y);
2108 if (gradient->type != RadialGradient)
2109 offset*=PerceptibleReciprocal(length);
2113 if ((ssize_t) fmod(offset,2.0) == 0)
2114 offset=fmod(offset,1.0);
2116 offset=1.0-fmod(offset,1.0);
2117 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2118 if (offset < gradient->stops[i].offset)
2121 composite=gradient->stops[0].color;
2123 if (i == (ssize_t) gradient->number_stops)
2124 composite=gradient->stops[gradient->number_stops-1].color;
2129 alpha=(offset-gradient->stops[i].offset)/
2130 (gradient->stops[j].offset-gradient->stops[i].offset);
2131 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2132 &gradient->stops[j].color,alpha,&composite);
2144 antialias=MagickFalse;
2146 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2147 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2149 offset=GetStopColorOffset(gradient,x,y);
2150 if (gradient->type == LinearGradient)
2152 repeat=fmod(offset,length);
2154 repeat=length-fmod(-repeat,length);
2156 repeat=fmod(offset,length);
2157 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2158 MagickTrue : MagickFalse;
2159 offset=PerceptibleReciprocal(length)*repeat;
2163 repeat=fmod(offset,(
double) gradient->radius);
2165 repeat=gradient->radius-fmod(-repeat,
2166 (
double) gradient->radius);
2168 repeat=fmod(offset,(
double) gradient->radius);
2169 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2171 offset=repeat*PerceptibleReciprocal(gradient->radius);
2174 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2175 if (offset < gradient->stops[i].offset)
2178 composite=gradient->stops[0].color;
2180 if (i == (ssize_t) gradient->number_stops)
2181 composite=gradient->stops[gradient->number_stops-1].color;
2186 alpha=(offset-gradient->stops[i].offset)/
2187 (gradient->stops[j].offset-gradient->stops[i].offset);
2188 if (antialias != MagickFalse)
2190 if (gradient->type == LinearGradient)
2191 alpha=length-repeat;
2193 alpha=gradient->radius-repeat;
2195 j=(ssize_t) gradient->number_stops-1L;
2197 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2198 &gradient->stops[j].color,alpha,&composite);
2203 MagickPixelCompositeOver(&composite,composite.opacity,&pixel,
2204 pixel.opacity,&pixel);
2205 SetPixelPacket(image,&pixel,q,indexes+x);
2208 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2211 image_view=DestroyCacheView(image_view);
2244 static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2248 **text = (
char **) NULL;
2262 quantum=
sizeof(**mvg_info->primitive_info);
2263 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*quantum;
2264 if (extent <= (
double) *mvg_info->extent)
2266 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2267 return(MagickFalse);
2268 if (mvg_info->offset > 0)
2270 text=(
char **) AcquireQuantumMemory(mvg_info->offset,
sizeof(*text));
2271 if (text == (
char **) NULL)
2272 return(MagickFalse);
2273 for (i=0; i < mvg_info->offset; i++)
2274 text[i]=(*mvg_info->primitive_info)[i].text;
2276 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2277 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2280 if (text != (
char **) NULL)
2281 text=(
char **) RelinquishMagickMemory(text);
2282 *mvg_info->extent=(size_t) extent;
2283 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2285 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2286 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2293 if (text != (
char **) NULL)
2295 for (i=0; i < mvg_info->offset; i++)
2296 if (text[i] != (
char *) NULL)
2297 text[i]=DestroyString(text[i]);
2298 text=(
char **) RelinquishMagickMemory(text);
2300 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2301 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2302 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2303 (PrimitiveExtentPad+1)*quantum);
2304 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2306 *mvg_info->extent=1;
2308 return(MagickFalse);
2311 static inline double GetDrawValue(
const char *magick_restrict
string,
2312 char **magick_restrict sentinel)
2315 **magick_restrict q;
2321 value=InterpretLocaleValue(
string,q);
2326 static int MVGMacroCompare(
const void *target,
const void *source)
2332 p=(
const char *) target;
2333 q=(
const char *) source;
2334 return(strcmp(p,q));
2355 if (primitive == (
const char *) NULL)
2357 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2358 RelinquishMagickMemory);
2359 macro=AcquireString(primitive);
2360 token=AcquireString(primitive);
2361 extent=strlen(token)+MagickPathExtent;
2362 for (q=primitive; *q !=
'\0'; )
2364 if (GetNextToken(q,&q,extent,token) < 1)
2368 if (LocaleCompare(
"push",token) == 0)
2374 (void) GetNextToken(q,&q,extent,token);
2378 name[MagickPathExtent];
2389 (void) GetNextToken(q,&q,extent,token);
2392 (void) CopyMagickString(name,token,MagickPathExtent);
2394 for (p=q; *p !=
'\0'; )
2396 if (GetNextToken(p,&p,extent,token) < 1)
2400 if (LocaleCompare(token,
"pop") == 0)
2402 end=p-strlen(token)-1;
2405 if (LocaleCompare(token,
"push") == 0)
2407 if ((n == 0) && (end > start))
2412 (void) GetNextToken(p,&p,extent,token);
2413 (void) CopyMagickString(macro,start,(
size_t) (end-start));
2414 (void) AddValueToSplayTree(macros,ConstantString(name),
2415 ConstantString(macro));
2422 token=DestroyString(token);
2423 macro=DestroyString(macro);
2427 static inline MagickBooleanType IsPoint(
const char *point)
2435 value=GetDrawValue(point,&p);
2436 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2440 static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2443 primitive_info->coordinates=1;
2444 primitive_info->closed_subpath=MagickFalse;
2445 primitive_info->point=point;
2449 static MagickBooleanType RenderMVGContent(
Image *image,
2450 const DrawInfo *draw_info,
const size_t depth)
2452 #define RenderImageTag "Render/Image" 2459 key[2*MaxTextExtent],
2460 keyword[MaxTextExtent],
2461 geometry[MaxTextExtent],
2462 name[MaxTextExtent],
2464 pattern[MaxTextExtent],
2526 assert(image != (
Image *) NULL);
2527 assert(image->signature == MagickCoreSignature);
2528 assert(draw_info != (
DrawInfo *) NULL);
2529 assert(draw_info->signature == MagickCoreSignature);
2530 if (IsEventLogging() != MagickFalse)
2531 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2532 if (depth > MagickMaxRecursionDepth)
2533 ThrowBinaryImageException(DrawError,
"VectorGraphicsNestedTooDeeply",
2535 if ((draw_info->primitive == (
char *) NULL) ||
2536 (*draw_info->primitive ==
'\0'))
2537 return(MagickFalse);
2538 if (draw_info->debug != MagickFalse)
2539 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2540 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
2541 return(MagickFalse);
2542 if (image->matte == MagickFalse)
2544 status=SetImageAlphaChannel(image,OpaqueAlphaChannel);
2545 if (status == MagickFalse)
2546 return(MagickFalse);
2548 primitive=(
char *) NULL;
2549 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2550 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2551 primitive=FileToString(draw_info->primitive,~0UL,&image->exception);
2553 primitive=AcquireString(draw_info->primitive);
2554 if (primitive == (
char *) NULL)
2555 return(MagickFalse);
2556 primitive_extent=(double) strlen(primitive);
2557 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2562 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2563 if (graphic_context == (
DrawInfo **) NULL)
2565 primitive=DestroyString(primitive);
2566 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2569 number_points=(size_t) PrimitiveExtentPad;
2570 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2571 (number_points+1),
sizeof(*primitive_info));
2574 primitive=DestroyString(primitive);
2575 for ( ; n >= 0; n--)
2576 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2577 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2578 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2581 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2582 sizeof(*primitive_info));
2583 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2584 mvg_info.primitive_info=(&primitive_info);
2585 mvg_info.extent=(&number_points);
2586 mvg_info.exception=(&image->exception);
2587 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2588 graphic_context[n]->viewbox=image->page;
2589 if ((image->page.width == 0) || (image->page.height == 0))
2591 graphic_context[n]->viewbox.width=image->columns;
2592 graphic_context[n]->viewbox.height=image->rows;
2594 token=AcquireString(primitive);
2595 extent=strlen(token)+MaxTextExtent;
2599 macros=GetMVGMacros(primitive);
2600 status=QueryColorDatabase(
"#000000",&start_color,&image->exception);
2601 for (q=primitive; *q !=
'\0'; )
2606 if (GetNextToken(q,&q,MaxTextExtent,keyword) < 1)
2608 if (*keyword ==
'\0')
2610 if (*keyword ==
'#')
2615 while ((*q !=
'\n') && (*q !=
'\0'))
2619 p=q-strlen(keyword)-1;
2620 primitive_type=UndefinedPrimitive;
2621 current=graphic_context[n]->affine;
2622 GetAffineMatrix(&affine);
2631 if (LocaleCompare(
"affine",keyword) == 0)
2633 (void) GetNextToken(q,&q,extent,token);
2634 affine.sx=GetDrawValue(token,&next_token);
2635 if (token == next_token)
2636 ThrowPointExpectedException(image,token);
2637 (void) GetNextToken(q,&q,extent,token);
2639 (void) GetNextToken(q,&q,extent,token);
2640 affine.rx=GetDrawValue(token,&next_token);
2641 if (token == next_token)
2642 ThrowPointExpectedException(image,token);
2643 (void) GetNextToken(q,&q,extent,token);
2645 (void) GetNextToken(q,&q,extent,token);
2646 affine.ry=GetDrawValue(token,&next_token);
2647 if (token == next_token)
2648 ThrowPointExpectedException(image,token);
2649 (void) GetNextToken(q,&q,extent,token);
2651 (void) GetNextToken(q,&q,extent,token);
2652 affine.sy=GetDrawValue(token,&next_token);
2653 if (token == next_token)
2654 ThrowPointExpectedException(image,token);
2655 (void) GetNextToken(q,&q,extent,token);
2657 (void) GetNextToken(q,&q,extent,token);
2658 affine.tx=GetDrawValue(token,&next_token);
2659 if (token == next_token)
2660 ThrowPointExpectedException(image,token);
2661 (void) GetNextToken(q,&q,extent,token);
2663 (void) GetNextToken(q,&q,extent,token);
2664 affine.ty=GetDrawValue(token,&next_token);
2665 if (token == next_token)
2666 ThrowPointExpectedException(image,token);
2669 if (LocaleCompare(
"arc",keyword) == 0)
2671 primitive_type=ArcPrimitive;
2680 if (LocaleCompare(
"bezier",keyword) == 0)
2682 primitive_type=BezierPrimitive;
2685 if (LocaleCompare(
"border-color",keyword) == 0)
2687 (void) GetNextToken(q,&q,extent,token);
2688 status&=QueryColorDatabase(token,&graphic_context[n]->border_color,
2698 if (LocaleCompare(
"class",keyword) == 0)
2703 (void) GetNextToken(q,&q,extent,token);
2704 if ((*token ==
'\0') || (*token ==
';'))
2712 for (i=0; i < n; i++)
2713 if (LocaleCompare(token,graphic_context[i]->
id) == 0)
2717 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2718 if ((graphic_context[n]->render != MagickFalse) &&
2719 (mvg_class != (
const char *) NULL) && (p > primitive))
2730 offset=(ssize_t) (p-primitive);
2731 elements=AcquireString(primitive);
2732 elements[offset]=
'\0';
2733 (void) ConcatenateString(&elements,mvg_class);
2734 (void) ConcatenateString(&elements,
"\n");
2735 (void) ConcatenateString(&elements,q);
2736 primitive=DestroyString(primitive);
2742 if (LocaleCompare(
"clip-path",keyword) == 0)
2750 (void) GetNextToken(q,&q,extent,token);
2756 (void) CloneString(&graphic_context[n]->clip_mask,token);
2757 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2758 if (clip_path != (
const char *) NULL)
2760 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2761 graphic_context[n]->clipping_mask=
2762 DestroyImage(graphic_context[n]->clipping_mask);
2763 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2764 graphic_context[n],token,clip_path,&image->exception);
2765 if (graphic_context[n]->compliance != SVGCompliance)
2770 clip_path=(
const char *) GetValueFromSplayTree(macros,
2771 graphic_context[n]->clip_mask);
2772 if (clip_path != (
const char *) NULL)
2773 (
void) SetImageArtifact(image,
2774 graphic_context[n]->clip_mask,clip_path);
2775 status&=DrawClipPath(image,graphic_context[n],
2776 graphic_context[n]->clip_mask);
2781 if (LocaleCompare(
"clip-rule",keyword) == 0)
2786 (void) GetNextToken(q,&q,extent,token);
2787 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2789 if (fill_rule == -1)
2794 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2797 if (LocaleCompare(
"clip-units",keyword) == 0)
2802 (void) GetNextToken(q,&q,extent,token);
2803 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2805 if (clip_units == -1)
2810 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2811 if (clip_units == ObjectBoundingBox)
2813 GetAffineMatrix(¤t);
2814 affine.sx=draw_info->bounds.x2;
2815 affine.sy=draw_info->bounds.y2;
2816 affine.tx=draw_info->bounds.x1;
2817 affine.ty=draw_info->bounds.y1;
2822 if (LocaleCompare(
"circle",keyword) == 0)
2824 primitive_type=CirclePrimitive;
2827 if (LocaleCompare(
"color",keyword) == 0)
2829 primitive_type=ColorPrimitive;
2832 if (LocaleCompare(
"compliance",keyword) == 0)
2838 (void) GetNextToken(q,&q,extent,token);
2839 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2840 MagickComplianceOptions,MagickFalse,token);
2843 if (LocaleCompare(
"currentColor",keyword) == 0)
2845 (void) GetNextToken(q,&q,extent,token);
2854 if (LocaleCompare(
"decorate",keyword) == 0)
2859 (void) GetNextToken(q,&q,extent,token);
2860 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2867 graphic_context[n]->decorate=(DecorationType) decorate;
2870 if (LocaleCompare(
"density",keyword) == 0)
2872 (void) GetNextToken(q,&q,extent,token);
2873 (void) CloneString(&graphic_context[n]->density,token);
2876 if (LocaleCompare(
"direction",keyword) == 0)
2881 (void) GetNextToken(q,&q,extent,token);
2882 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2884 if (direction == -1)
2887 graphic_context[n]->direction=(DirectionType) direction;
2896 if (LocaleCompare(
"ellipse",keyword) == 0)
2898 primitive_type=EllipsePrimitive;
2901 if (LocaleCompare(
"encoding",keyword) == 0)
2903 (void) GetNextToken(q,&q,extent,token);
2904 (void) CloneString(&graphic_context[n]->encoding,token);
2913 if (LocaleCompare(
"fill",keyword) == 0)
2918 (void) GetNextToken(q,&q,extent,token);
2919 if (graphic_context[n]->clip_path != MagickFalse)
2921 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2922 if (mvg_class != (
const char *) NULL)
2924 (void) DrawPatternPath(image,draw_info,mvg_class,
2925 &graphic_context[n]->fill_pattern);
2928 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
2929 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2931 (void) DrawPatternPath(image,draw_info,token,
2932 &graphic_context[n]->fill_pattern);
2935 status&=QueryColorDatabase(token,&graphic_context[n]->fill,
2937 if (graphic_context[n]->fill_opacity != (
double) OpaqueOpacity)
2938 graphic_context[n]->fill.opacity=ClampToQuantum(
2939 graphic_context[n]->fill_opacity);
2942 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2947 (void) GetNextToken(q,&q,extent,token);
2948 if (graphic_context[n]->clip_path != MagickFalse)
2950 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2951 opacity=MagickMin(MagickMax(factor*
2952 GetDrawValue(token,&next_token),0.0),1.0);
2953 if (token == next_token)
2954 ThrowPointExpectedException(image,token);
2955 if (graphic_context[n]->compliance == SVGCompliance)
2956 graphic_context[n]->fill_opacity*=(1.0-opacity);
2958 graphic_context[n]->fill_opacity=((MagickRealType) QuantumRange-
2959 graphic_context[n]->fill_opacity)*(1.0-opacity);
2960 if (graphic_context[n]->fill.opacity != TransparentOpacity)
2961 graphic_context[n]->fill.opacity=(Quantum)
2962 graphic_context[n]->fill_opacity;
2964 graphic_context[n]->fill.opacity=ClampToQuantum((MagickRealType)
2965 QuantumRange*(1.0-opacity));
2968 if (LocaleCompare(
"fill-rule",keyword) == 0)
2973 (void) GetNextToken(q,&q,extent,token);
2974 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2976 if (fill_rule == -1)
2981 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2984 if (LocaleCompare(
"font",keyword) == 0)
2986 (void) GetNextToken(q,&q,extent,token);
2987 (void) CloneString(&graphic_context[n]->font,token);
2988 if (LocaleCompare(
"none",token) == 0)
2989 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
2990 graphic_context[n]->font);
2993 if (LocaleCompare(
"font-family",keyword) == 0)
2995 (void) GetNextToken(q,&q,extent,token);
2996 (void) CloneString(&graphic_context[n]->family,token);
2999 if (LocaleCompare(
"font-size",keyword) == 0)
3001 (void) GetNextToken(q,&q,extent,token);
3002 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3003 if (token == next_token)
3004 ThrowPointExpectedException(image,token);
3007 if (LocaleCompare(
"font-stretch",keyword) == 0)
3012 (void) GetNextToken(q,&q,extent,token);
3013 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3019 graphic_context[n]->stretch=(StretchType) stretch;
3022 if (LocaleCompare(
"font-style",keyword) == 0)
3027 (void) GetNextToken(q,&q,extent,token);
3028 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3034 graphic_context[n]->style=(StyleType) style;
3037 if (LocaleCompare(
"font-weight",keyword) == 0)
3042 (void) GetNextToken(q,&q,extent,token);
3043 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3045 weight=(ssize_t) StringToUnsignedLong(token);
3046 graphic_context[n]->weight=(size_t) weight;
3055 if (LocaleCompare(
"gradient-units",keyword) == 0)
3057 (void) GetNextToken(q,&q,extent,token);
3060 if (LocaleCompare(
"gravity",keyword) == 0)
3065 (void) GetNextToken(q,&q,extent,token);
3066 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3072 graphic_context[n]->gravity=(GravityType) gravity;
3081 if (LocaleCompare(
"image",keyword) == 0)
3086 primitive_type=ImagePrimitive;
3087 (void) GetNextToken(q,&q,extent,token);
3088 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3094 graphic_context[n]->compose=(CompositeOperator) compose;
3097 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3099 (void) GetNextToken(q,&q,extent,token);
3100 graphic_context[n]->interline_spacing=GetDrawValue(token,
3102 if (token == next_token)
3103 ThrowPointExpectedException(image,token);
3106 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3108 (void) GetNextToken(q,&q,extent,token);
3109 graphic_context[n]->interword_spacing=GetDrawValue(token,
3111 if (token == next_token)
3112 ThrowPointExpectedException(image,token);
3121 if (LocaleCompare(
"kerning",keyword) == 0)
3123 (void) GetNextToken(q,&q,extent,token);
3124 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3125 if (token == next_token)
3126 ThrowPointExpectedException(image,token);
3135 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3137 (void) GetNextToken(q,&q,extent,token);
3138 if (IsPoint(token) == MagickFalse)
3140 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3141 clone_info->text=AcquireString(
" ");
3142 status&=GetTypeMetrics(image,clone_info,&metrics);
3143 graphic_context[n]->kerning=metrics.width*
3144 GetDrawValue(token,&next_token);
3145 clone_info=DestroyDrawInfo(clone_info);
3146 if (token == next_token)
3147 ThrowPointExpectedException(image,token);
3150 if (LocaleCompare(
"line",keyword) == 0)
3152 primitive_type=LinePrimitive;
3161 if (LocaleCompare(
"mask",keyword) == 0)
3169 (void) GetNextToken(q,&q,extent,token);
3170 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3171 if (mask_path != (
const char *) NULL)
3173 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3174 graphic_context[n]->composite_mask=
3175 DestroyImage(graphic_context[n]->composite_mask);
3176 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3177 graphic_context[n],token,mask_path,&image->exception);
3178 if (graphic_context[n]->compliance != SVGCompliance)
3179 status=SetImageMask(image,graphic_context[n]->composite_mask);
3183 if (LocaleCompare(
"matte",keyword) == 0)
3185 primitive_type=MattePrimitive;
3194 if (LocaleCompare(
"offset",keyword) == 0)
3196 (void) GetNextToken(q,&q,extent,token);
3199 if (LocaleCompare(
"opacity",keyword) == 0)
3204 (void) GetNextToken(q,&q,extent,token);
3205 if (graphic_context[n]->clip_path != MagickFalse)
3207 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3208 opacity=MagickMin(MagickMax(factor*
3209 GetDrawValue(token,&next_token),0.0),1.0);
3210 if (token == next_token)
3211 ThrowPointExpectedException(image,token);
3212 if (graphic_context[n]->compliance == SVGCompliance)
3214 graphic_context[n]->fill_opacity*=(1.0-opacity);
3215 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3219 graphic_context[n]->fill_opacity=((MagickRealType) QuantumRange-
3220 graphic_context[n]->fill_opacity)*(1.0-opacity);
3221 graphic_context[n]->stroke_opacity=((MagickRealType)
3222 QuantumRange-graphic_context[n]->stroke_opacity)*
3233 if (LocaleCompare(
"path",keyword) == 0)
3235 primitive_type=PathPrimitive;
3238 if (LocaleCompare(
"point",keyword) == 0)
3240 primitive_type=PointPrimitive;
3243 if (LocaleCompare(
"polyline",keyword) == 0)
3245 primitive_type=PolylinePrimitive;
3248 if (LocaleCompare(
"polygon",keyword) == 0)
3250 primitive_type=PolygonPrimitive;
3253 if (LocaleCompare(
"pop",keyword) == 0)
3255 if (GetNextToken(q,&q,extent,token) < 1)
3257 if (LocaleCompare(
"class",token) == 0)
3259 if (LocaleCompare(
"clip-path",token) == 0)
3261 if (LocaleCompare(
"defs",token) == 0)
3264 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3268 if (LocaleCompare(
"gradient",token) == 0)
3270 if (LocaleCompare(
"graphic-context",token) == 0)
3274 (void) ThrowMagickException(&image->exception,
3275 GetMagickModule(),DrawError,
3276 "UnbalancedGraphicContextPushPop",
"`%s'",token);
3281 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3282 (graphic_context[n]->compliance != SVGCompliance))
3283 if (LocaleCompare(graphic_context[n]->clip_mask,
3284 graphic_context[n-1]->clip_mask) != 0)
3285 status=SetImageClipMask(image,(
Image *) NULL);
3286 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3290 if (LocaleCompare(
"mask",token) == 0)
3292 if (LocaleCompare(
"pattern",token) == 0)
3294 if (LocaleCompare(
"symbol",token) == 0)
3297 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3304 if (LocaleCompare(
"push",keyword) == 0)
3306 if (GetNextToken(q,&q,extent,token) < 1)
3308 if (LocaleCompare(
"class",token) == 0)
3313 for (p=q; *q !=
'\0'; )
3315 if (GetNextToken(q,&q,extent,token) < 1)
3317 if (LocaleCompare(token,
"pop") != 0)
3319 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3320 if (LocaleCompare(token,
"class") != 0)
3324 (void) GetNextToken(q,&q,extent,token);
3327 if (LocaleCompare(
"clip-path",token) == 0)
3329 (void) GetNextToken(q,&q,extent,token);
3330 for (p=q; *q !=
'\0'; )
3332 if (GetNextToken(q,&q,extent,token) < 1)
3334 if (LocaleCompare(token,
"pop") != 0)
3336 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3337 if (LocaleCompare(token,
"clip-path") != 0)
3341 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3346 (void) GetNextToken(q,&q,extent,token);
3349 if (LocaleCompare(
"defs",token) == 0)
3352 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3356 if (LocaleCompare(
"gradient",token) == 0)
3359 key[2*MaxTextExtent],
3360 name[MaxTextExtent],
3361 type[MaxTextExtent];
3366 (void) GetNextToken(q,&q,extent,token);
3367 (void) CopyMagickString(name,token,MaxTextExtent);
3368 (void) GetNextToken(q,&q,extent,token);
3369 (void) CopyMagickString(type,token,MaxTextExtent);
3370 (void) GetNextToken(q,&q,extent,token);
3371 segment.x1=GetDrawValue(token,&next_token);
3372 if (token == next_token)
3373 ThrowPointExpectedException(image,token);
3374 (void) GetNextToken(q,&q,extent,token);
3376 (void) GetNextToken(q,&q,extent,token);
3377 segment.y1=GetDrawValue(token,&next_token);
3378 if (token == next_token)
3379 ThrowPointExpectedException(image,token);
3380 (void) GetNextToken(q,&q,extent,token);
3382 (void) GetNextToken(q,&q,extent,token);
3383 segment.x2=GetDrawValue(token,&next_token);
3384 if (token == next_token)
3385 ThrowPointExpectedException(image,token);
3386 (void) GetNextToken(q,&q,extent,token);
3388 (void) GetNextToken(q,&q,extent,token);
3389 segment.y2=GetDrawValue(token,&next_token);
3390 if (token == next_token)
3391 ThrowPointExpectedException(image,token);
3392 if (LocaleCompare(type,
"radial") == 0)
3394 (void) GetNextToken(q,&q,extent,token);
3396 (void) GetNextToken(q,&q,extent,token);
3398 for (p=q; *q !=
'\0'; )
3400 if (GetNextToken(q,&q,extent,token) < 1)
3402 if (LocaleCompare(token,
"pop") != 0)
3404 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3405 if (LocaleCompare(token,
"gradient") != 0)
3409 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3410 (p == (
char *) NULL) || ((q-4) < p))
3415 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3416 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3417 graphic_context[n]->affine.ry*segment.y1+
3418 graphic_context[n]->affine.tx;
3419 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3420 graphic_context[n]->affine.sy*segment.y1+
3421 graphic_context[n]->affine.ty;
3422 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3423 graphic_context[n]->affine.ry*segment.y2+
3424 graphic_context[n]->affine.tx;
3425 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3426 graphic_context[n]->affine.sy*segment.y2+
3427 graphic_context[n]->affine.ty;
3428 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3429 (void) SetImageArtifact(image,key,token);
3430 (void) FormatLocaleString(key,MaxTextExtent,
"%s-type",name);
3431 (void) SetImageArtifact(image,key,type);
3432 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3433 (void) FormatLocaleString(geometry,MaxTextExtent,
3434 "%gx%g%+.15g%+.15g",
3435 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3436 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3437 bounds.x1,bounds.y1);
3438 (void) SetImageArtifact(image,key,geometry);
3439 (void) GetNextToken(q,&q,extent,token);
3442 if (LocaleCompare(
"graphic-context",token) == 0)
3445 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3446 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3447 if (graphic_context == (
DrawInfo **) NULL)
3449 (void) ThrowMagickException(&image->exception,
3450 GetMagickModule(),ResourceLimitError,
3451 "MemoryAllocationFailed",
"`%s'",image->filename);
3454 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3455 graphic_context[n-1]);
3458 (void) GetNextToken(q,&q,extent,token);
3459 (void) CloneString(&graphic_context[n]->
id,token);
3463 if (LocaleCompare(
"mask",token) == 0)
3465 (void) GetNextToken(q,&q,extent,token);
3468 if (LocaleCompare(
"pattern",token) == 0)
3473 (void) GetNextToken(q,&q,extent,token);
3474 (void) CopyMagickString(name,token,MaxTextExtent);
3475 (void) GetNextToken(q,&q,extent,token);
3476 bounds.x=CastDoubleToLong(ceil(GetDrawValue(token,
3478 if (token == next_token)
3479 ThrowPointExpectedException(image,token);
3480 (void) GetNextToken(q,&q,extent,token);
3482 (void) GetNextToken(q,&q,extent,token);
3483 bounds.y=CastDoubleToLong(ceil(GetDrawValue(token,
3485 if (token == next_token)
3486 ThrowPointExpectedException(image,token);
3487 (void) GetNextToken(q,&q,extent,token);
3489 (void) GetNextToken(q,&q,extent,token);
3490 bounds.width=CastDoubleToUnsigned(GetDrawValue(token,
3492 if (token == next_token)
3493 ThrowPointExpectedException(image,token);
3494 (void) GetNextToken(q,&q,extent,token);
3496 (void) GetNextToken(q,&q,extent,token);
3497 bounds.height=CastDoubleToUnsigned(GetDrawValue(token,
3499 if (token == next_token)
3500 ThrowPointExpectedException(image,token);
3501 for (p=q; *q !=
'\0'; )
3503 if (GetNextToken(q,&q,extent,token) < 1)
3505 if (LocaleCompare(token,
"pop") != 0)
3507 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3508 if (LocaleCompare(token,
"pattern") != 0)
3512 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3517 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3518 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3519 (void) SetImageArtifact(image,key,token);
3520 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3521 (void) FormatLocaleString(geometry,MaxTextExtent,
3522 "%.20gx%.20g%+.20g%+.20g",(
double) bounds.width,(double)
3523 bounds.height,(
double) bounds.x,(double) bounds.y);
3524 (void) SetImageArtifact(image,key,geometry);
3525 (void) GetNextToken(q,&q,extent,token);
3528 if (LocaleCompare(
"symbol",token) == 0)
3531 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3544 if (LocaleCompare(
"rectangle",keyword) == 0)
3546 primitive_type=RectanglePrimitive;
3549 if (LocaleCompare(
"rotate",keyword) == 0)
3551 (void) GetNextToken(q,&q,extent,token);
3552 angle=GetDrawValue(token,&next_token);
3553 if (token == next_token)
3554 ThrowPointExpectedException(image,token);
3555 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3556 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3557 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3558 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3561 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3563 primitive_type=RoundRectanglePrimitive;
3572 if (LocaleCompare(
"scale",keyword) == 0)
3574 (void) GetNextToken(q,&q,extent,token);
3575 affine.sx=GetDrawValue(token,&next_token);
3576 if (token == next_token)
3577 ThrowPointExpectedException(image,token);
3578 (void) GetNextToken(q,&q,extent,token);
3580 (void) GetNextToken(q,&q,extent,token);
3581 affine.sy=GetDrawValue(token,&next_token);
3582 if (token == next_token)
3583 ThrowPointExpectedException(image,token);
3586 if (LocaleCompare(
"skewX",keyword) == 0)
3588 (void) GetNextToken(q,&q,extent,token);
3589 angle=GetDrawValue(token,&next_token);
3590 if (token == next_token)
3591 ThrowPointExpectedException(image,token);
3592 affine.ry=sin(DegreesToRadians(angle));
3595 if (LocaleCompare(
"skewY",keyword) == 0)
3597 (void) GetNextToken(q,&q,extent,token);
3598 angle=GetDrawValue(token,&next_token);
3599 if (token == next_token)
3600 ThrowPointExpectedException(image,token);
3601 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3604 if (LocaleCompare(
"stop-color",keyword) == 0)
3612 (void) GetNextToken(q,&q,extent,token);
3613 status&=QueryColorDatabase(token,&stop_color,&image->exception);
3614 type=LinearGradient;
3615 if (draw_info->gradient.type == RadialGradient)
3616 type=RadialGradient;
3617 (void) GradientImage(image,type,PadSpread,&start_color,&stop_color);
3618 start_color=stop_color;
3619 (void) GetNextToken(q,&q,extent,token);
3622 if (LocaleCompare(
"stroke",keyword) == 0)
3627 (void) GetNextToken(q,&q,extent,token);
3628 if (graphic_context[n]->clip_path != MagickFalse)
3630 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3631 if (mvg_class != (
const char *) NULL)
3633 (void) DrawPatternPath(image,draw_info,mvg_class,
3634 &graphic_context[n]->stroke_pattern);
3637 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
3638 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3640 (void) DrawPatternPath(image,draw_info,token,
3641 &graphic_context[n]->stroke_pattern);
3644 status&=QueryColorDatabase(token,&graphic_context[n]->stroke,
3646 if (graphic_context[n]->stroke_opacity != (MagickRealType) OpaqueOpacity)
3647 graphic_context[n]->stroke.opacity=ClampToQuantum(
3648 graphic_context[n]->stroke_opacity);
3651 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3653 (void) GetNextToken(q,&q,extent,token);
3654 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3655 MagickTrue : MagickFalse;
3658 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3660 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3661 graphic_context[n]->dash_pattern=(
double *)
3662 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3663 if (IsPoint(q) != MagickFalse)
3669 (void) GetNextToken(p,&p,extent,token);
3671 (void) GetNextToken(p,&p,extent,token);
3672 for (x=0; IsPoint(token) != MagickFalse; x++)
3674 (void) GetNextToken(p,&p,extent,token);
3676 (void) GetNextToken(p,&p,extent,token);
3678 graphic_context[n]->dash_pattern=(
double *)
3679 AcquireQuantumMemory((
size_t) (2*x+2),
3680 sizeof(*graphic_context[n]->dash_pattern));
3681 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3683 (void) ThrowMagickException(&image->exception,
3684 GetMagickModule(),ResourceLimitError,
3685 "MemoryAllocationFailed",
"`%s'",image->filename);
3689 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3690 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3691 for (j=0; j < x; j++)
3693 (void) GetNextToken(q,&q,extent,token);
3695 (void) GetNextToken(q,&q,extent,token);
3696 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3698 if (token == next_token)
3699 ThrowPointExpectedException(image,token);
3700 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3703 if ((x & 0x01) != 0)
3704 for ( ; j < (2*x); j++)
3705 graphic_context[n]->dash_pattern[j]=
3706 graphic_context[n]->dash_pattern[j-x];
3707 graphic_context[n]->dash_pattern[j]=0.0;
3710 (void) GetNextToken(q,&q,extent,token);
3713 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3715 (void) GetNextToken(q,&q,extent,token);
3716 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3717 if (token == next_token)
3718 ThrowPointExpectedException(image,token);
3721 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3726 (void) GetNextToken(q,&q,extent,token);
3727 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3733 graphic_context[n]->linecap=(LineCap) linecap;
3736 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3741 (void) GetNextToken(q,&q,extent,token);
3742 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3749 graphic_context[n]->linejoin=(LineJoin) linejoin;
3752 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3754 (void) GetNextToken(q,&q,extent,token);
3755 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3758 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3763 (void) GetNextToken(q,&q,extent,token);
3764 if (graphic_context[n]->clip_path != MagickFalse)
3766 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3767 opacity=MagickMin(MagickMax(factor*
3768 GetDrawValue(token,&next_token),0.0),1.0);
3769 if (token == next_token)
3770 ThrowPointExpectedException(image,token);
3771 if (graphic_context[n]->compliance == SVGCompliance)
3772 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3774 graphic_context[n]->stroke_opacity=((MagickRealType) QuantumRange-
3775 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3776 if (graphic_context[n]->stroke.opacity != TransparentOpacity)
3777 graphic_context[n]->stroke.opacity=(Quantum)
3778 graphic_context[n]->stroke_opacity;
3780 graphic_context[n]->stroke.opacity=ClampToQuantum(
3781 (MagickRealType) QuantumRange*opacity);
3784 if (LocaleCompare(
"stroke-width",keyword) == 0)
3786 (void) GetNextToken(q,&q,extent,token);
3787 if (graphic_context[n]->clip_path != MagickFalse)
3789 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3790 if ((token == next_token) ||
3791 (graphic_context[n]->stroke_width < 0.0))
3792 ThrowPointExpectedException(image,token);
3801 if (LocaleCompare(
"text",keyword) == 0)
3803 primitive_type=TextPrimitive;
3807 if (LocaleCompare(
"text-align",keyword) == 0)
3812 (void) GetNextToken(q,&q,extent,token);
3813 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3819 graphic_context[n]->align=(AlignType) align;
3822 if (LocaleCompare(
"text-anchor",keyword) == 0)
3827 (void) GetNextToken(q,&q,extent,token);
3828 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3834 graphic_context[n]->align=(AlignType) align;
3837 if (LocaleCompare(
"text-antialias",keyword) == 0)
3839 (void) GetNextToken(q,&q,extent,token);
3840 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3841 MagickTrue : MagickFalse;
3844 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3846 (void) GetNextToken(q,&q,extent,token);
3847 status&=QueryColorDatabase(token,&graphic_context[n]->undercolor,
3851 if (LocaleCompare(
"translate",keyword) == 0)
3853 (void) GetNextToken(q,&q,extent,token);
3854 affine.tx=GetDrawValue(token,&next_token);
3855 if (token == next_token)
3856 ThrowPointExpectedException(image,token);
3857 (void) GetNextToken(q,&q,extent,token);
3859 (void) GetNextToken(q,&q,extent,token);
3860 affine.ty=GetDrawValue(token,&next_token);
3861 if (token == next_token)
3862 ThrowPointExpectedException(image,token);
3871 if (LocaleCompare(
"use",keyword) == 0)
3879 (void) GetNextToken(q,&q,extent,token);
3880 use=(
const char *) GetValueFromSplayTree(macros,token);
3881 if (use != (
const char *) NULL)
3883 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3884 (void) CloneString(&clone_info->primitive,use);
3885 status=RenderMVGContent(image,clone_info,depth+1);
3886 clone_info=DestroyDrawInfo(clone_info);
3896 if (LocaleCompare(
"viewbox",keyword) == 0)
3898 (void) GetNextToken(q,&q,extent,token);
3899 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3900 GetDrawValue(token,&next_token)-0.5));
3901 if (token == next_token)
3902 ThrowPointExpectedException(image,token);
3903 (void) GetNextToken(q,&q,extent,token);
3905 (void) GetNextToken(q,&q,extent,token);
3906 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3907 GetDrawValue(token,&next_token)-0.5));
3908 if (token == next_token)
3909 ThrowPointExpectedException(image,token);
3910 (void) GetNextToken(q,&q,extent,token);
3912 (void) GetNextToken(q,&q,extent,token);
3913 graphic_context[n]->viewbox.width=CastDoubleToUnsigned(
3914 GetDrawValue(token,&next_token)+0.5);
3915 if (token == next_token)
3916 ThrowPointExpectedException(image,token);
3917 (void) GetNextToken(q,&q,extent,token);
3919 (void) GetNextToken(q,&q,extent,token);
3920 graphic_context[n]->viewbox.height=CastDoubleToUnsigned(
3921 GetDrawValue(token,&next_token)+0.5);
3922 if (token == next_token)
3923 ThrowPointExpectedException(image,token);
3932 if (LocaleCompare(
"word-spacing",keyword) == 0)
3934 (void) GetNextToken(q,&q,extent,token);
3935 graphic_context[n]->interword_spacing=GetDrawValue(token,
3937 if (token == next_token)
3938 ThrowPointExpectedException(image,token);
3950 if (status == MagickFalse)
3952 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3953 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3954 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3955 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3957 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3958 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3959 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3960 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3961 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3963 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3966 if (primitive_type == UndefinedPrimitive)
3968 if ((draw_info->debug != MagickFalse) && (q > p))
3969 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
3976 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
3977 if (primitive_info[i].text != (
char *) NULL)
3978 primitive_info[i].text=DestroyString(primitive_info[i].text);
3982 primitive_info[0].point.x=0.0;
3983 primitive_info[0].point.y=0.0;
3984 primitive_info[0].coordinates=0;
3985 primitive_info[0].method=FloodfillMethod;
3986 primitive_info[0].closed_subpath=MagickFalse;
3987 for (x=0; *q !=
'\0'; x++)
3992 if (IsPoint(q) == MagickFalse)
3994 (void) GetNextToken(q,&q,extent,token);
3995 point.x=GetDrawValue(token,&next_token);
3996 if (token == next_token)
3997 ThrowPointExpectedException(image,token);
3998 (void) GetNextToken(q,&q,extent,token);
4000 (void) GetNextToken(q,&q,extent,token);
4001 point.y=GetDrawValue(token,&next_token);
4002 if (token == next_token)
4003 ThrowPointExpectedException(image,token);
4004 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4006 (void) GetNextToken(q,&q,extent,token);
4007 primitive_info[i].primitive=primitive_type;
4008 primitive_info[i].point=point;
4009 primitive_info[i].coordinates=0;
4010 primitive_info[i].method=FloodfillMethod;
4011 primitive_info[i].closed_subpath=MagickFalse;
4014 if (i < (ssize_t) number_points)
4016 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4017 primitive_info=(*mvg_info.primitive_info);
4019 if (status == MagickFalse)
4021 if (primitive_info[j].text != (
char *) NULL)
4022 primitive_info[j].text=DestroyString(primitive_info[j].text);
4023 primitive_info[j].primitive=primitive_type;
4024 primitive_info[j].coordinates=(size_t) x;
4025 primitive_info[j].method=FloodfillMethod;
4026 primitive_info[j].closed_subpath=MagickFalse;
4030 bounds.x1=primitive_info[j].point.x;
4031 bounds.y1=primitive_info[j].point.y;
4032 bounds.x2=primitive_info[j].point.x;
4033 bounds.y2=primitive_info[j].point.y;
4034 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4036 point=primitive_info[j+k].point;
4037 if (point.x < bounds.x1)
4039 if (point.y < bounds.y1)
4041 if (point.x > bounds.x2)
4043 if (point.y > bounds.y2)
4049 coordinates=(double) primitive_info[j].coordinates;
4050 switch (primitive_type)
4052 case RectanglePrimitive:
4057 case RoundRectanglePrimitive:
4064 alpha=bounds.x2-bounds.x1;
4065 beta=bounds.y2-bounds.y1;
4066 radius=hypot(alpha,beta);
4068 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4069 BezierQuantum+360.0;
4072 case BezierPrimitive:
4074 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4083 (void) GetNextToken(q,&q,extent,token);
4086 for (s=token; *s !=
'\0'; s=t)
4091 value=GetDrawValue(s,&t);
4100 for (s=token; *s !=
'\0'; s++)
4101 if (strspn(s,
"AaCcQqSsTt") != 0)
4102 coordinates+=(20.0*BezierQuantum)+360.0;
4108 if (status == MagickFalse)
4110 if (((
size_t) (i+coordinates)) >= number_points)
4115 number_points+=coordinates+1;
4116 if (number_points < (
size_t) coordinates)
4118 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4119 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4124 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4125 primitive_info=(*mvg_info.primitive_info);
4127 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4128 primitive_info=(*mvg_info.primitive_info);
4129 if (status == MagickFalse)
4132 switch (primitive_type)
4134 case PointPrimitive:
4137 if (primitive_info[j].coordinates != 1)
4142 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4143 primitive_info=(*mvg_info.primitive_info);
4144 i=(ssize_t) (j+primitive_info[j].coordinates);
4149 if (primitive_info[j].coordinates != 2)
4154 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4155 primitive_info[j+1].point);
4156 primitive_info=(*mvg_info.primitive_info);
4157 i=(ssize_t) (j+primitive_info[j].coordinates);
4160 case RectanglePrimitive:
4162 if (primitive_info[j].coordinates != 2)
4167 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4168 primitive_info[j+1].point);
4169 primitive_info=(*mvg_info.primitive_info);
4170 i=(ssize_t) (j+primitive_info[j].coordinates);
4173 case RoundRectanglePrimitive:
4175 if (primitive_info[j].coordinates != 3)
4180 if ((primitive_info[j+2].point.x < 0.0) ||
4181 (primitive_info[j+2].point.y < 0.0))
4186 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4191 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4196 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4197 primitive_info[j+1].point,primitive_info[j+2].point);
4198 primitive_info=(*mvg_info.primitive_info);
4199 i=(ssize_t) (j+primitive_info[j].coordinates);
4204 if (primitive_info[j].coordinates != 3)
4209 status&=TraceArc(&mvg_info,primitive_info[j].point,
4210 primitive_info[j+1].point,primitive_info[j+2].point);
4211 primitive_info=(*mvg_info.primitive_info);
4212 i=(ssize_t) (j+primitive_info[j].coordinates);
4215 case EllipsePrimitive:
4217 if (primitive_info[j].coordinates != 3)
4222 if ((primitive_info[j+1].point.x < 0.0) ||
4223 (primitive_info[j+1].point.y < 0.0))
4228 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4229 primitive_info[j+1].point,primitive_info[j+2].point);
4230 primitive_info=(*mvg_info.primitive_info);
4231 i=(ssize_t) (j+primitive_info[j].coordinates);
4234 case CirclePrimitive:
4236 if (primitive_info[j].coordinates != 2)
4241 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4242 primitive_info[j+1].point);
4243 primitive_info=(*mvg_info.primitive_info);
4244 i=(ssize_t) (j+primitive_info[j].coordinates);
4247 case PolylinePrimitive:
4249 if (primitive_info[j].coordinates < 1)
4256 case PolygonPrimitive:
4258 if (primitive_info[j].coordinates < 3)
4263 primitive_info[i]=primitive_info[j];
4264 primitive_info[i].coordinates=0;
4265 primitive_info[j].coordinates++;
4266 primitive_info[j].closed_subpath=MagickTrue;
4270 case BezierPrimitive:
4272 if (primitive_info[j].coordinates < 3)
4277 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4278 primitive_info=(*mvg_info.primitive_info);
4279 i=(ssize_t) (j+primitive_info[j].coordinates);
4284 coordinates=(double) TracePath(image,&mvg_info,token);
4285 primitive_info=(*mvg_info.primitive_info);
4286 if (coordinates < 0.0)
4291 i=(ssize_t) (j+coordinates);
4294 case ColorPrimitive:
4295 case MattePrimitive:
4300 if (primitive_info[j].coordinates != 1)
4305 (void) GetNextToken(q,&q,extent,token);
4306 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4312 primitive_info[j].method=(PaintMethod) method;
4318 geometry[MagickPathExtent];
4320 if (primitive_info[j].coordinates != 1)
4326 (void) GetNextToken(q,&q,extent,token);
4327 (void) CloneString(&primitive_info[j].text,token);
4331 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4332 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4333 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4335 mvg_info.point=primitive_info->point;
4336 primitive_info->point.x+=cursor;
4340 mvg_info.point=primitive_info->point;
4343 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
4344 primitive_info->point.x,primitive_info->point.y);
4345 clone_info->render=MagickFalse;
4346 clone_info->text=AcquireString(token);
4347 status&=GetTypeMetrics(image,clone_info,&metrics);
4348 clone_info=DestroyDrawInfo(clone_info);
4349 cursor+=metrics.width;
4350 if (graphic_context[n]->compliance != SVGCompliance)
4354 case ImagePrimitive:
4356 if (primitive_info[j].coordinates != 2)
4361 (void) GetNextToken(q,&q,extent,token);
4362 (void) CloneString(&primitive_info[j].text,token);
4369 primitive_info[i].primitive=UndefinedPrimitive;
4370 if ((draw_info->debug != MagickFalse) && (q > p))
4371 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4375 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4376 &graphic_context[n]->affine));
4377 primitive_info=(*mvg_info.primitive_info);
4380 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4381 graphic_context[n]->stroke_width);
4382 primitive_info=(*mvg_info.primitive_info);
4390 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4392 point=primitive_info[i].point;
4393 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4394 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4395 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4396 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4397 point=primitive_info[i].point;
4398 if (point.x < graphic_context[n]->bounds.x1)
4399 graphic_context[n]->bounds.x1=point.x;
4400 if (point.y < graphic_context[n]->bounds.y1)
4401 graphic_context[n]->bounds.y1=point.y;
4402 if (point.x > graphic_context[n]->bounds.x2)
4403 graphic_context[n]->bounds.x2=point.x;
4404 if (point.y > graphic_context[n]->bounds.y2)
4405 graphic_context[n]->bounds.y2=point.y;
4406 if (primitive_info[i].primitive == ImagePrimitive)
4408 if (i >= (ssize_t) number_points)
4409 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4411 if (graphic_context[n]->render != MagickFalse)
4413 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4414 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4415 (LocaleCompare(graphic_context[n]->clip_mask,
4416 graphic_context[n-1]->clip_mask) != 0))
4421 clip_path=(
const char *) GetValueFromSplayTree(macros,
4422 graphic_context[n]->clip_mask);
4423 if (clip_path != (
const char *) NULL)
4424 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4426 status&=DrawClipPath(image,graphic_context[n],
4427 graphic_context[n]->clip_mask);
4429 status&=DrawPrimitive(image,graphic_context[n],primitive_info);
4431 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4433 if (proceed == MagickFalse)
4438 if (draw_info->debug != MagickFalse)
4439 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4443 macros=DestroySplayTree(macros);
4444 token=DestroyString(token);
4447 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4448 if (primitive_info[i].text != (
char *) NULL)
4449 primitive_info[i].text=DestroyString(primitive_info[i].text);
4450 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4452 primitive=DestroyString(primitive);
4453 for ( ; n >= 0; n--)
4454 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4455 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4456 if (status == MagickFalse)
4457 ThrowBinaryImageException(DrawError,
4458 "NonconformingDrawingPrimitiveDefinition",keyword);
4459 return(status != 0 ? MagickTrue : MagickFalse);
4462 MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info)
4464 return(RenderMVGContent(image,draw_info,0));
4496 MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4500 property[MaxTextExtent];
4516 assert(image != (
Image *) NULL);
4517 assert(image->signature == MagickCoreSignature);
4518 assert(draw_info != (
const DrawInfo *) NULL);
4519 if (IsEventLogging() != MagickFalse)
4520 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4521 assert(name != (
const char *) NULL);
4522 (void) FormatLocaleString(property,MaxTextExtent,
"%s",name);
4523 path=GetImageArtifact(image,property);
4524 if (path == (
const char *) NULL)
4525 return(MagickFalse);
4526 (void) FormatLocaleString(property,MaxTextExtent,
"%s-geometry",name);
4527 geometry=GetImageArtifact(image,property);
4528 if (geometry == (
const char *) NULL)
4529 return(MagickFalse);
4530 if ((*pattern) != (
Image *) NULL)
4531 *pattern=DestroyImage(*pattern);
4532 image_info=AcquireImageInfo();
4533 image_info->size=AcquireString(geometry);
4534 *pattern=AcquireImage(image_info);
4535 image_info=DestroyImageInfo(image_info);
4536 (void) QueryColorDatabase(
"#00000000",&(*pattern)->background_color,
4538 (void) SetImageBackgroundColor(*pattern);
4539 if (draw_info->debug != MagickFalse)
4540 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4541 "begin pattern-path %s %s",name,geometry);
4542 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4543 if (clone_info->fill_pattern != (
Image *) NULL)
4544 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4545 if (clone_info->stroke_pattern != (
Image *) NULL)
4546 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4547 (void) FormatLocaleString(property,MaxTextExtent,
"%s-type",name);
4548 type=GetImageArtifact(image,property);
4549 if (type != (
const char *) NULL)
4550 clone_info->gradient.type=(GradientType) ParseCommandOption(
4551 MagickGradientOptions,MagickFalse,type);
4552 (void) CloneString(&clone_info->primitive,path);
4553 status=RenderMVGContent(*pattern,clone_info,0);
4554 clone_info=DestroyDrawInfo(clone_info);
4555 if (draw_info->debug != MagickFalse)
4556 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4594 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4596 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4597 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4598 return(polygon_info);
4605 *magick_restrict path_info;
4613 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4614 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4615 sizeof(*polygon_info));
4618 (void) ThrowMagickException(exception,GetMagickModule(),
4619 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4622 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4623 path_info=ConvertPrimitiveToPath(draw_info,primitive_info,exception);
4624 if (path_info == (
PathInfo *) NULL)
4625 return(DestroyPolygonTLS(polygon_info));
4626 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4629 (void) ThrowMagickException(exception,GetMagickModule(),
4630 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4631 return(DestroyPolygonTLS(polygon_info));
4633 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4634 return(polygon_info);
4637 static MagickBooleanType AcquirePolygonEdgesTLS(
PolygonInfo **polygon_info,
4643 for (i=1; i < (ssize_t) number_threads; i++)
4651 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4652 sizeof(*polygon_info[i]));
4655 (void) ThrowMagickException(exception,GetMagickModule(),
4656 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4657 return(MagickFalse);
4659 polygon_info[i]->number_edges=0;
4660 edge_info=polygon_info[0]->edges;
4661 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4662 polygon_info[0]->number_edges,
sizeof(*edge_info));
4663 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4665 (void) ThrowMagickException(exception,GetMagickModule(),
4666 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4667 return(MagickFalse);
4669 (void) memcpy(polygon_info[i]->edges,edge_info,
4670 polygon_info[0]->number_edges*
sizeof(*edge_info));
4671 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4672 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4673 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4674 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4676 edge_info=polygon_info[0]->edges+j;
4677 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4678 edge_info->number_points,
sizeof(*edge_info));
4679 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4681 (void) ThrowMagickException(exception,GetMagickModule(),
4682 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4683 return(MagickFalse);
4685 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4686 edge_info->number_points*
sizeof(*edge_info->points));
4692 static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4694 assert(edge < (ssize_t) polygon_info->number_edges);
4695 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4696 polygon_info->edges[edge].points);
4697 polygon_info->number_edges--;
4698 if (edge < (ssize_t) polygon_info->number_edges)
4699 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4700 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4701 return(polygon_info->number_edges);
4704 static double GetOpacityPixel(
PolygonInfo *polygon_info,
const double mid,
4705 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4706 const ssize_t y,
double *stroke_opacity)
4733 *stroke_opacity=0.0;
4734 subpath_opacity=0.0;
4735 p=polygon_info->edges;
4736 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4738 if ((
double) y <= (p->bounds.y1-mid-0.5))
4740 if ((
double) y > (p->bounds.y2+mid+0.5))
4743 (void) DestroyEdge(polygon_info,j--);
4746 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4747 ((
double) x > (p->bounds.x2+mid+0.5)))
4749 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4750 for ( ; i < (ssize_t) p->number_points; i++)
4752 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4754 if ((
double) y > (p->points[i].y+mid+0.5))
4756 if (p->scanline != (
double) y)
4758 p->scanline=(double) y;
4759 p->highwater=(size_t) i;
4765 delta.x=(q+1)->x-q->x;
4766 delta.y=(q+1)->y-q->y;
4767 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4770 delta.x=(double) x-q->x;
4771 delta.y=(
double) y-q->y;
4772 distance=delta.x*delta.x+delta.y*delta.y;
4776 alpha=delta.x*delta.x+delta.y*delta.y;
4779 delta.x=(double) x-(q+1)->x;
4780 delta.y=(double) y-(q+1)->y;
4781 distance=delta.x*delta.x+delta.y*delta.y;
4785 alpha=PerceptibleReciprocal(alpha);
4786 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4787 distance=alpha*beta*beta;
4794 if (p->ghostline == MagickFalse)
4797 if ((*stroke_opacity < 1.0) &&
4798 (distance <= ((alpha+0.25)*(alpha+0.25))))
4801 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4802 *stroke_opacity=1.0;
4806 if (fabs(distance-1.0) >= MagickEpsilon)
4807 beta=sqrt((
double) distance);
4809 if (*stroke_opacity < ((alpha-0.25)*(alpha-0.25)))
4810 *stroke_opacity=(alpha-0.25)*(alpha-0.25);
4814 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_opacity >= 1.0))
4816 if (distance <= 0.0)
4818 subpath_opacity=1.0;
4823 if (fabs(beta) < MagickEpsilon)
4826 if (fabs(distance-1.0) >= MagickEpsilon)
4827 beta=sqrt(distance);
4830 if (subpath_opacity < (alpha*alpha))
4831 subpath_opacity=alpha*alpha;
4837 if (fill == MagickFalse)
4839 if (subpath_opacity >= 1.0)
4845 p=polygon_info->edges;
4846 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4848 if ((
double) y <= p->bounds.y1)
4850 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4852 if ((
double) x > p->bounds.x2)
4854 winding_number+=p->direction != 0 ? 1 : -1;
4857 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4858 for ( ; i < (ssize_t) (p->number_points-1); i++)
4859 if ((
double) y <= p->points[i].y)
4862 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4863 winding_number+=p->direction != 0 ? 1 : -1;
4865 if (fill_rule != NonZeroRule)
4867 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4871 if (MagickAbsoluteValue(winding_number) != 0)
4873 return(subpath_opacity);
4876 static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4879 typedef struct _ExtentInfo
4908 **magick_restrict polygon_info;
4923 assert(image != (
Image *) NULL);
4924 assert(image->signature == MagickCoreSignature);
4925 assert(draw_info != (
DrawInfo *) NULL);
4926 assert(draw_info->signature == MagickCoreSignature);
4928 if (IsEventLogging() != MagickFalse)
4929 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4930 if (primitive_info->coordinates <= 1)
4935 polygon_info=AcquirePolygonTLS(draw_info,primitive_info,&image->exception);
4937 return(MagickFalse);
4938 if (draw_info->debug != MagickFalse)
4939 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4940 fill=(primitive_info->method == FillToBorderMethod) ||
4941 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4942 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4943 bounds=polygon_info[0]->edges[0].bounds;
4944 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4945 if (IsStringTrue(artifact) != MagickFalse)
4946 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0]);
4947 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4949 p=polygon_info[0]->edges+i;
4950 if (p->bounds.x1 < bounds.x1)
4951 bounds.x1=p->bounds.x1;
4952 if (p->bounds.y1 < bounds.y1)
4953 bounds.y1=p->bounds.y1;
4954 if (p->bounds.x2 > bounds.x2)
4955 bounds.x2=p->bounds.x2;
4956 if (p->bounds.y2 > bounds.y2)
4957 bounds.y2=p->bounds.y2;
4959 bounds.x1-=(mid+1.0);
4960 bounds.y1-=(mid+1.0);
4961 bounds.x2+=(mid+1.0);
4962 bounds.y2+=(mid+1.0);
4963 if ((bounds.x1 >= (
double) image->columns) ||
4964 (bounds.y1 >= (
double) image->rows) ||
4965 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
4967 polygon_info=DestroyPolygonTLS(polygon_info);
4970 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
4971 (
double) image->columns-1.0 : bounds.x1;
4972 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
4973 (
double) image->rows-1.0 : bounds.y1;
4974 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
4975 (
double) image->columns-1.0 : bounds.x2;
4976 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
4977 (
double) image->rows-1.0 : bounds.y2;
4978 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
4979 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
4980 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
4981 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
4982 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
4983 poly_extent.y1+1,1);
4984 status=AcquirePolygonEdgesTLS(polygon_info,number_threads,&image->exception);
4985 if (status == MagickFalse)
4987 polygon_info=DestroyPolygonTLS(polygon_info);
4991 exception=(&image->exception);
4992 image_view=AcquireAuthenticCacheView(image,exception);
4993 if ((primitive_info->coordinates == 1) ||
4994 (polygon_info[0]->number_edges == 0))
4999 #if defined(MAGICKCORE_OPENMP_SUPPORT) 5000 #pragma omp parallel for schedule(static) shared(status) \ 5001 num_threads(number_threads) 5003 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5014 if (status == MagickFalse)
5017 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5024 for ( ; x <= poly_extent.x2; x++)
5026 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5027 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5028 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,q);
5031 sync=SyncCacheViewAuthenticPixels(image_view,exception);
5032 if (sync == MagickFalse)
5035 image_view=DestroyCacheView(image_view);
5036 polygon_info=DestroyPolygonTLS(polygon_info);
5037 if (draw_info->debug != MagickFalse)
5038 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5039 " end draw-polygon");
5045 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5046 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5047 #if defined(MAGICKCORE_OPENMP_SUPPORT) 5048 #pragma omp parallel for schedule(static) shared(status) \ 5049 num_threads(number_threads) 5051 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5054 id = GetOpenMPThreadId();
5066 if (status == MagickFalse)
5068 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5069 (poly_extent.x2-poly_extent.x1+1),1,exception);
5075 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5084 fill_opacity=GetOpacityPixel(polygon_info[
id],mid,fill,
5085 draw_info->fill_rule,x,y,&stroke_opacity);
5086 if (draw_info->stroke_antialias == MagickFalse)
5088 fill_opacity=fill_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5089 stroke_opacity=stroke_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5091 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5093 fill_opacity=(double) ((MagickRealType) QuantumRange-fill_opacity*
5094 ((MagickRealType) QuantumRange-(MagickRealType) fill_color.opacity));
5095 MagickCompositeOver(&fill_color,(MagickRealType) fill_opacity,q,
5096 (MagickRealType) q->opacity,q);
5097 (void) GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5099 stroke_opacity=(double) ((MagickRealType) QuantumRange-stroke_opacity*
5100 ((MagickRealType) QuantumRange-(MagickRealType) stroke_color.opacity));
5101 MagickCompositeOver(&stroke_color,(MagickRealType) stroke_opacity,q,
5102 (MagickRealType) q->opacity,q);
5105 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5108 image_view=DestroyCacheView(image_view);
5109 polygon_info=DestroyPolygonTLS(polygon_info);
5110 if (draw_info->debug != MagickFalse)
5111 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5142 static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5168 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5169 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5170 switch (primitive_info->primitive)
5172 case PointPrimitive:
5174 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5175 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5176 methods[primitive_info->method]);
5179 case ColorPrimitive:
5181 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5182 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5183 methods[primitive_info->method]);
5186 case MattePrimitive:
5188 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5189 "MattePrimitive %.20g,%.20g %s",(double) x,(
double) y,
5190 methods[primitive_info->method]);
5195 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5196 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5199 case ImagePrimitive:
5201 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5202 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5209 p=primitive_info[0].point;
5212 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5214 point=primitive_info[i].point;
5215 if (coordinates <= 0)
5217 coordinates=(ssize_t) primitive_info[i].coordinates;
5218 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5219 " begin open (%.20g)",(double) coordinates);
5222 point=primitive_info[i].point;
5223 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5224 (fabs(q.y-point.y) >= MagickEpsilon))
5225 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5226 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5228 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5229 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5232 if (coordinates > 0)
5234 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5235 (fabs(p.y-point.y) >= MagickEpsilon))
5236 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5237 (double) coordinates);
5239 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5240 (
double) coordinates);
5244 MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5263 if (draw_info->debug != MagickFalse)
5265 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5266 " begin draw-primitive");
5267 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5268 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5269 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5270 draw_info->affine.tx,draw_info->affine.ty);
5272 exception=(&image->exception);
5274 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5275 ((IsPixelGray(&draw_info->fill) == MagickFalse) ||
5276 (IsPixelGray(&draw_info->stroke) == MagickFalse)))
5277 status=SetImageColorspace(image,sRGBColorspace);
5278 if (draw_info->compliance == SVGCompliance)
5280 status&=SetImageClipMask(image,draw_info->clipping_mask);
5281 status&=SetImageMask(image,draw_info->composite_mask);
5283 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5284 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5285 image_view=AcquireAuthenticCacheView(image,exception);
5286 switch (primitive_info->primitive)
5288 case ColorPrimitive:
5290 switch (primitive_info->method)
5298 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5301 (void) GetFillColor(draw_info,x,y,q);
5302 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5310 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5311 for (y=0; y < (ssize_t) image->rows; y++)
5316 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5320 for (x=0; x < (ssize_t) image->columns; x++)
5322 if (IsColorSimilar(image,q,&target) == MagickFalse)
5327 (void) GetFillColor(draw_info,x,y,q);
5330 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5331 if (status == MagickFalse)
5336 case FloodfillMethod:
5337 case FillToBorderMethod:
5342 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5343 if (primitive_info->method == FillToBorderMethod)
5345 target.red=(MagickRealType) draw_info->border_color.red;
5346 target.green=(MagickRealType) draw_info->border_color.green;
5347 target.blue=(MagickRealType) draw_info->border_color.blue;
5349 status&=FloodfillPaintImage(image,DefaultChannels,draw_info,&target,x,
5350 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5356 for (y=0; y < (ssize_t) image->rows; y++)
5364 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5368 for (x=0; x < (ssize_t) image->columns; x++)
5370 (void) GetFillColor(draw_info,x,y,q);
5373 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5374 if (status == MagickFalse)
5382 case MattePrimitive:
5384 if (image->matte == MagickFalse)
5385 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel);
5386 switch (primitive_info->method)
5397 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5400 (void) GetFillColor(draw_info,x,y,&pixel);
5401 SetPixelOpacity(q,pixel.opacity);
5402 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5411 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5412 for (y=0; y < (ssize_t) image->rows; y++)
5420 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5424 for (x=0; x < (ssize_t) image->columns; x++)
5426 if (IsColorSimilar(image,q,&target) == MagickFalse)
5431 (void) GetFillColor(draw_info,x,y,&pixel);
5432 SetPixelOpacity(q,pixel.opacity);
5435 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5436 if (status == MagickFalse)
5441 case FloodfillMethod:
5442 case FillToBorderMethod:
5447 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5448 if (primitive_info->method == FillToBorderMethod)
5450 target.red=(MagickRealType) draw_info->border_color.red;
5451 target.green=(MagickRealType) draw_info->border_color.green;
5452 target.blue=(MagickRealType) draw_info->border_color.blue;
5454 status&=FloodfillPaintImage(image,OpacityChannel,draw_info,&target,x,
5455 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5464 for (y=0; y < (ssize_t) image->rows; y++)
5472 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5476 for (x=0; x < (ssize_t) image->columns; x++)
5478 (void) GetFillColor(draw_info,x,y,&pixel);
5479 SetPixelOpacity(q,pixel.opacity);
5482 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5483 if (status == MagickFalse)
5491 case ImagePrimitive:
5497 composite_geometry[MaxTextExtent];
5513 if (primitive_info->text == (
char *) NULL)
5515 clone_info=AcquireImageInfo();
5516 composite_images=(
Image *) NULL;
5517 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5518 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5521 if (*primitive_info->text !=
'\0')
5535 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5537 (void) SetImageInfo(clone_info,1,exception);
5538 magick_info=GetMagickInfo(clone_info->magick,exception);
5539 if ((magick_info != (
const MagickInfo*) NULL) &&
5540 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5542 (void) ThrowMagickException(exception,GetMagickModule(),
5543 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5544 clone_info->filename);
5545 clone_info=DestroyImageInfo(clone_info);
5548 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5550 if (clone_info->size != (
char *) NULL)
5551 clone_info->size=DestroyString(clone_info->size);
5552 if (clone_info->extract != (
char *) NULL)
5553 clone_info->extract=DestroyString(clone_info->extract);
5554 path_status=GetPathAttributes(clone_info->filename,&attributes);
5555 if (path_status != MagickFalse)
5557 if (S_ISCHR(attributes.st_mode) == 0)
5558 composite_images=ReadImage(clone_info,exception);
5560 (
void) ThrowMagickException(exception,GetMagickModule(),
5561 FileOpenError,
"UnableToOpenFile",
"`%s'",
5562 clone_info->filename);
5565 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5566 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5567 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5568 (LocaleCompare(clone_info->magick,
"vid") != 0))
5569 composite_images=ReadImage(clone_info,exception);
5571 (
void) ThrowMagickException(exception,GetMagickModule(),
5572 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5574 clone_info=DestroyImageInfo(clone_info);
5575 if (composite_images == (
Image *) NULL)
5580 composite_image=RemoveFirstImageFromList(&composite_images);
5581 composite_images=DestroyImageList(composite_images);
5582 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5583 NULL,(
void *) NULL);
5584 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5585 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5586 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5587 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5590 geometry[MaxTextExtent];
5595 (void) FormatLocaleString(geometry,MaxTextExtent,
"%gx%g!",
5596 primitive_info[1].point.x,primitive_info[1].point.y);
5597 composite_image->filter=image->filter;
5598 status&=TransformImage(&composite_image,(
char *) NULL,geometry);
5600 if (composite_image->matte == MagickFalse)
5601 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel);
5602 if (draw_info->opacity != OpaqueOpacity)
5603 status&=SetImageOpacity(composite_image,draw_info->opacity);
5604 SetGeometry(image,&geometry);
5605 image->gravity=draw_info->gravity;
5608 (void) FormatLocaleString(composite_geometry,MaxTextExtent,
5609 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5610 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5611 (void) ParseGravityGeometry(image,composite_geometry,&geometry,
5613 affine=draw_info->affine;
5614 affine.tx=(double) geometry.x;
5615 affine.ty=(
double) geometry.y;
5616 composite_image->interpolate=image->interpolate;
5617 if ((draw_info->compose == OverCompositeOp) ||
5618 (draw_info->compose == SrcOverCompositeOp))
5619 status&=DrawAffineImage(image,composite_image,&affine);
5621 status&=CompositeImage(image,draw_info->compose,composite_image,
5622 geometry.x,geometry.y);
5623 composite_image=DestroyImage(composite_image);
5626 case PointPrimitive:
5634 if ((y < 0) || (y >= (ssize_t) image->rows))
5636 if ((x < 0) || (x >= (ssize_t) image->columns))
5638 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5641 (void) GetFillColor(draw_info,x,y,&fill_color);
5642 MagickCompositeOver(&fill_color,(MagickRealType) fill_color.opacity,q,
5643 (MagickRealType) q->opacity,q);
5644 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5650 geometry[MaxTextExtent];
5655 if (primitive_info->text == (
char *) NULL)
5657 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5658 (void) CloneString(&clone_info->text,primitive_info->text);
5659 (void) FormatLocaleString(geometry,MaxTextExtent,
"%+f%+f",
5660 primitive_info->point.x,primitive_info->point.y);
5661 (void) CloneString(&clone_info->geometry,geometry);
5662 status&=AnnotateImage(image,clone_info);
5663 clone_info=DestroyDrawInfo(clone_info);
5675 if (IsEventLogging() != MagickFalse)
5676 LogPrimitiveInfo(primitive_info);
5677 scale=ExpandAffine(&draw_info->affine);
5678 if ((draw_info->dash_pattern != (
double *) NULL) &&
5679 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5680 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5681 (draw_info->stroke.opacity != (Quantum) TransparentOpacity))
5686 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5687 clone_info->stroke_width=0.0;
5688 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5689 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5690 clone_info=DestroyDrawInfo(clone_info);
5691 if (status != MagickFalse)
5692 status&=DrawDashPolygon(draw_info,primitive_info,image);
5695 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5697 ((draw_info->stroke.opacity != (Quantum) TransparentOpacity) ||
5698 (draw_info->stroke_pattern != (
Image *) NULL)))
5710 closed_path=primitive_info[0].closed_subpath;
5711 i=(ssize_t) primitive_info[0].coordinates;
5712 x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5713 y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5714 if ((x < MagickEpsilon) && (y < MagickEpsilon))
5715 closed_path=MagickTrue;
5716 if ((((draw_info->linecap == RoundCap) ||
5717 (closed_path != MagickFalse)) &&
5718 (draw_info->linejoin == RoundJoin)) ||
5719 (primitive_info[i].primitive != UndefinedPrimitive))
5721 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5724 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5725 clone_info->stroke_width=0.0;
5726 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5727 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5728 clone_info=DestroyDrawInfo(clone_info);
5729 if (status != MagickFalse)
5730 status&=DrawStrokePolygon(image,draw_info,primitive_info);
5733 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5737 image_view=DestroyCacheView(image_view);
5738 if (draw_info->compliance == SVGCompliance)
5740 status&=SetImageClipMask(image,(
Image *) NULL);
5741 status&=SetImageMask(image,(
Image *) NULL);
5743 if (draw_info->debug != MagickFalse)
5744 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5745 return(status != 0 ? MagickTrue : MagickFalse);
5778 static MagickBooleanType DrawRoundLinecap(
Image *image,
5787 for (i=0; i < 4; i++)
5788 linecap[i]=(*primitive_info);
5789 linecap[0].coordinates=4;
5790 linecap[1].point.x+=2.0*MagickEpsilon;
5791 linecap[2].point.x+=2.0*MagickEpsilon;
5792 linecap[2].point.y+=2.0*MagickEpsilon;
5793 linecap[3].point.y+=2.0*MagickEpsilon;
5794 linecap[4].primitive=UndefinedPrimitive;
5795 return(DrawPolygonPrimitive(image,draw_info,linecap));
5798 static MagickBooleanType DrawStrokePolygon(
Image *image,
5820 if (draw_info->debug != MagickFalse)
5821 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5822 " begin draw-stroke-polygon");
5823 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5824 clone_info->fill=draw_info->stroke;
5825 if (clone_info->fill_pattern != (
Image *) NULL)
5826 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5827 if (clone_info->stroke_pattern != (
Image *) NULL)
5828 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5829 MagickTrue,&clone_info->stroke_pattern->exception);
5830 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5831 clone_info->stroke_width=0.0;
5832 clone_info->fill_rule=NonZeroRule;
5834 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=p->coordinates)
5836 if (p->coordinates == 1)
5838 stroke_polygon=TraceStrokePolygon(draw_info,p,&image->exception);
5844 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon);
5845 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5848 q=p+p->coordinates-1;
5849 closed_path=p->closed_subpath;
5850 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5852 status&=DrawRoundLinecap(image,draw_info,p);
5853 status&=DrawRoundLinecap(image,draw_info,q);
5856 clone_info=DestroyDrawInfo(clone_info);
5857 if (draw_info->debug != MagickFalse)
5858 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5859 " end draw-stroke-polygon");
5860 return(status != 0 ? MagickTrue : MagickFalse);
5886 MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5889 if (IsEventLogging() != MagickFalse)
5890 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5891 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5892 affine_matrix->sx=1.0;
5893 affine_matrix->sy=1.0;
5934 assert(draw_info != (
DrawInfo *) NULL);
5935 if (IsEventLogging() != MagickFalse)
5936 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5937 (void) memset(draw_info,0,
sizeof(*draw_info));
5938 draw_info->image_info=CloneImageInfo(image_info);
5939 GetAffineMatrix(&draw_info->affine);
5940 exception=AcquireExceptionInfo();
5941 (void) QueryColorDatabase(
"#000F",&draw_info->fill,exception);
5942 (void) QueryColorDatabase(
"#FFF0",&draw_info->stroke,exception);
5943 draw_info->stroke_antialias=draw_info->image_info->antialias;
5944 draw_info->stroke_width=1.0;
5945 draw_info->fill_rule=EvenOddRule;
5946 draw_info->opacity=OpaqueOpacity;
5947 draw_info->fill_opacity=OpaqueOpacity;
5948 draw_info->stroke_opacity=OpaqueOpacity;
5949 draw_info->linecap=ButtCap;
5950 draw_info->linejoin=MiterJoin;
5951 draw_info->miterlimit=10;
5952 draw_info->decorate=NoDecoration;
5953 if (draw_info->image_info->font != (
char *) NULL)
5954 draw_info->font=AcquireString(draw_info->image_info->font);
5955 if (draw_info->image_info->density != (
char *) NULL)
5956 draw_info->density=AcquireString(draw_info->image_info->density);
5957 draw_info->text_antialias=draw_info->image_info->antialias;
5958 draw_info->pointsize=12.0;
5959 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
5960 draw_info->pointsize=draw_info->image_info->pointsize;
5961 draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
5962 draw_info->border_color=draw_info->image_info->border_color;
5963 draw_info->compose=OverCompositeOp;
5964 if (draw_info->image_info->server_name != (
char *) NULL)
5965 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
5966 draw_info->render=MagickTrue;
5967 draw_info->clip_path=MagickFalse;
5968 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
5969 MagickTrue : MagickFalse;
5970 option=GetImageOption(draw_info->image_info,
"direction");
5971 if (option != (
const char *) NULL)
5972 draw_info->direction=(DirectionType) ParseCommandOption(
5973 MagickDirectionOptions,MagickFalse,option);
5975 draw_info->direction=UndefinedDirection;
5976 option=GetImageOption(draw_info->image_info,
"encoding");
5977 if (option != (
const char *) NULL)
5978 (void) CloneString(&draw_info->encoding,option);
5979 option=GetImageOption(draw_info->image_info,
"family");
5980 if (option != (
const char *) NULL)
5981 (void) CloneString(&draw_info->family,option);
5982 option=GetImageOption(draw_info->image_info,
"fill");
5983 if (option != (
const char *) NULL)
5984 (void) QueryColorDatabase(option,&draw_info->fill,exception);
5985 option=GetImageOption(draw_info->image_info,
"gravity");
5986 if (option != (
const char *) NULL)
5987 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
5988 MagickFalse,option);
5989 option=GetImageOption(draw_info->image_info,
"interline-spacing");
5990 if (option != (
const char *) NULL)
5991 draw_info->interline_spacing=GetDrawValue(option,&next_token);
5992 option=GetImageOption(draw_info->image_info,
"interword-spacing");
5993 if (option != (
const char *) NULL)
5994 draw_info->interword_spacing=GetDrawValue(option,&next_token);
5995 option=GetImageOption(draw_info->image_info,
"kerning");
5996 if (option != (
const char *) NULL)
5997 draw_info->kerning=GetDrawValue(option,&next_token);
5998 option=GetImageOption(draw_info->image_info,
"stroke");
5999 if (option != (
const char *) NULL)
6000 (void) QueryColorDatabase(option,&draw_info->stroke,exception);
6001 option=GetImageOption(draw_info->image_info,
"strokewidth");
6002 if (option != (
const char *) NULL)
6003 draw_info->stroke_width=GetDrawValue(option,&next_token);
6004 option=GetImageOption(draw_info->image_info,
"style");
6005 if (option != (
const char *) NULL)
6006 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6007 MagickFalse,option);
6008 option=GetImageOption(draw_info->image_info,
"undercolor");
6009 if (option != (
const char *) NULL)
6010 (void) QueryColorDatabase(option,&draw_info->undercolor,exception);
6011 option=GetImageOption(draw_info->image_info,
"weight");
6012 if (option != (
const char *) NULL)
6017 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6019 weight=(ssize_t) StringToUnsignedLong(option);
6020 draw_info->weight=(size_t) weight;
6022 exception=DestroyExceptionInfo(exception);
6023 draw_info->signature=MagickCoreSignature;
6051 static inline double Permutate(
const ssize_t n,
const ssize_t k)
6060 for (i=k+1; i <= n; i++)
6062 for (i=1; i <= (n-k); i++)
6090 center.x=0.5*(end.x+start.x);
6091 center.y=0.5*(end.y+start.y);
6092 radius.x=fabs(center.x-start.x);
6093 radius.y=fabs(center.y-start.y);
6094 return(TraceEllipse(mvg_info,center,radius,degrees));
6097 static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6099 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6136 offset=mvg_info->offset;
6137 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6138 primitive_info->coordinates=0;
6139 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6140 (fabs(start.y-end.y) < MagickEpsilon))
6141 return(TracePoint(primitive_info,end));
6142 radii.x=fabs(arc.x);
6143 radii.y=fabs(arc.y);
6144 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6145 return(TraceLine(primitive_info,start,end));
6146 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6147 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6148 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6149 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6150 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6152 if (delta < MagickEpsilon)
6153 return(TraceLine(primitive_info,start,end));
6156 radii.x*=sqrt((
double) delta);
6157 radii.y*=sqrt((
double) delta);
6159 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6160 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6161 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6162 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6163 alpha=points[1].x-points[0].x;
6164 beta=points[1].y-points[0].y;
6165 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6166 return(TraceLine(primitive_info,start,end));
6167 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6172 factor=sqrt((
double) factor);
6173 if (sweep == large_arc)
6176 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6177 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6178 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6179 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6180 if ((theta < 0.0) && (sweep != MagickFalse))
6181 theta+=2.0*MagickPI;
6183 if ((theta > 0.0) && (sweep == MagickFalse))
6184 theta-=2.0*MagickPI;
6185 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6186 MagickPI+MagickEpsilon)))));
6189 for (i=0; i < (ssize_t) arc_segments; i++)
6191 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6192 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6193 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6194 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6195 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6196 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6197 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6198 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6199 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6200 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6201 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6202 theta/arc_segments),DegreesToRadians(360.0))));
6203 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6204 theta/arc_segments),DegreesToRadians(360.0))));
6205 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6206 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6207 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6208 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6209 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6210 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6211 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6213 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6215 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6217 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6219 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6221 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6223 if (i == (ssize_t) (arc_segments-1))
6225 status&=TraceBezier(mvg_info,4);
6228 p=(*mvg_info->primitive_info)+mvg_info->offset;
6229 mvg_info->offset+=p->coordinates;
6233 return(MagickFalse);
6234 mvg_info->offset=offset;
6235 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6236 primitive_info->coordinates=(
size_t) (p-primitive_info);
6237 primitive_info->closed_subpath=MagickFalse;
6238 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6240 p->primitive=primitive_info->primitive;
6246 static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6247 const size_t number_coordinates)
6276 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6277 quantum=number_coordinates;
6278 for (i=0; i < (ssize_t) number_coordinates; i++)
6280 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6282 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6283 if (alpha > (
double) MAGICK_SSIZE_MAX)
6285 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6286 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6287 return(MagickFalse);
6289 if (alpha > (
double) quantum)
6290 quantum=(
size_t) alpha;
6291 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6292 if (alpha > (
double) MAGICK_SSIZE_MAX)
6294 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6295 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6296 return(MagickFalse);
6298 if (alpha > (
double) quantum)
6299 quantum=(
size_t) alpha;
6302 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6303 sizeof(*coefficients));
6304 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6305 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6307 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6310 points=(
PointInfo *) RelinquishMagickMemory(points);
6311 if (coefficients != (
double *) NULL)
6312 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6313 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6314 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6315 return(MagickFalse);
6317 control_points=quantum*number_coordinates;
6318 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6320 points=(
PointInfo *) RelinquishMagickMemory(points);
6321 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6322 return(MagickFalse);
6324 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6328 end=primitive_info[number_coordinates-1].point;
6329 for (i=0; i < (ssize_t) number_coordinates; i++)
6330 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6332 for (i=0; i < (ssize_t) control_points; i++)
6337 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6338 for (j=0; j < (ssize_t) number_coordinates; j++)
6340 point.x+=alpha*coefficients[j]*p->point.x;
6341 point.y+=alpha*coefficients[j]*p->point.y;
6342 alpha*=weight/(1.0-weight);
6346 weight+=1.0/control_points;
6352 for (i=0; i < (ssize_t) control_points; i++)
6354 if (TracePoint(p,points[i]) == MagickFalse)
6356 points=(
PointInfo *) RelinquishMagickMemory(points);
6357 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6358 return(MagickFalse);
6362 if (TracePoint(p,end) == MagickFalse)
6364 points=(
PointInfo *) RelinquishMagickMemory(points);
6365 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6366 return(MagickFalse);
6369 primitive_info->coordinates=(size_t) (p-primitive_info);
6370 primitive_info->closed_subpath=MagickFalse;
6371 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6373 p->primitive=primitive_info->primitive;
6376 points=(
PointInfo *) RelinquishMagickMemory(points);
6377 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6381 static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6393 alpha=end.x-start.x;
6395 radius=hypot((
double) alpha,(
double) beta);
6396 offset.x=(double) radius;
6397 offset.y=(double) radius;
6400 return(TraceEllipse(mvg_info,start,offset,degrees));
6403 static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6429 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6430 primitive_info->coordinates=0;
6431 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6433 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6435 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6436 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6437 angle.x=DegreesToRadians(arc.x);
6441 angle.y=DegreesToRadians(y);
6442 coordinates=ceil((angle.y-angle.x)/step+1.0);
6443 if (CheckPrimitiveExtent(mvg_info,coordinates+1) == MagickFalse)
6444 return(MagickFalse);
6446 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6447 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6449 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6450 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6451 if (i++ >= (ssize_t) coordinates)
6453 if (TracePoint(p,point) == MagickFalse)
6454 return(MagickFalse);
6457 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6458 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6459 if (TracePoint(p,point) == MagickFalse)
6460 return(MagickFalse);
6462 primitive_info->coordinates=(size_t) (p-primitive_info);
6463 primitive_info->closed_subpath=MagickFalse;
6464 x=fabs(primitive_info[0].point.x-
6465 primitive_info[primitive_info->coordinates-1].point.x);
6466 y=fabs(primitive_info[0].point.y-
6467 primitive_info[primitive_info->coordinates-1].point.y);
6468 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6469 primitive_info->closed_subpath=MagickTrue;
6470 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6472 p->primitive=primitive_info->primitive;
6478 static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6481 if (TracePoint(primitive_info,start) == MagickFalse)
6482 return(MagickFalse);
6483 if (TracePoint(primitive_info+1,end) == MagickFalse)
6484 return(MagickFalse);
6485 (primitive_info+1)->primitive=primitive_info->primitive;
6486 primitive_info->coordinates=2;
6487 primitive_info->closed_subpath=MagickFalse;
6491 static ssize_t TracePath(
Image *image,
MVGInfo *mvg_info,
const char *path)
6495 token[MaxTextExtent] =
"";
6513 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6536 subpath_offset=mvg_info->offset;
6537 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6540 number_coordinates=0;
6543 primitive_type=primitive_info->primitive;
6545 for (p=path; *p !=
'\0'; )
6547 if (status == MagickFalse)
6549 while (isspace((
int) ((
unsigned char) *p)) != 0)
6553 last_attribute=attribute;
6554 attribute=(int) (*p++);
6564 large_arc = MagickFalse,
6565 sweep = MagickFalse;
6575 (void) GetNextToken(p,&p,MaxTextExtent,token);
6577 (void) GetNextToken(p,&p,MaxTextExtent,token);
6578 arc.x=GetDrawValue(token,&next_token);
6579 if (token == next_token)
6580 ThrowPointExpectedException(image,token);
6581 (void) GetNextToken(p,&p,MaxTextExtent,token);
6583 (void) GetNextToken(p,&p,MaxTextExtent,token);
6584 arc.y=GetDrawValue(token,&next_token);
6585 if (token == next_token)
6586 ThrowPointExpectedException(image,token);
6587 (void) GetNextToken(p,&p,MaxTextExtent,token);
6589 (void) GetNextToken(p,&p,MaxTextExtent,token);
6590 angle=GetDrawValue(token,&next_token);
6591 if (token == next_token)
6592 ThrowPointExpectedException(image,token);
6593 (void) GetNextToken(p,&p,MaxTextExtent,token);
6595 (void) GetNextToken(p,&p,MaxTextExtent,token);
6596 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6597 (void) GetNextToken(p,&p,MaxTextExtent,token);
6599 (void) GetNextToken(p,&p,MaxTextExtent,token);
6600 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6602 (void) GetNextToken(p,&p,MaxTextExtent,token);
6603 (void) GetNextToken(p,&p,MaxTextExtent,token);
6605 (void) GetNextToken(p,&p,MaxTextExtent,token);
6606 x=GetDrawValue(token,&next_token);
6607 if (token == next_token)
6608 ThrowPointExpectedException(image,token);
6609 (void) GetNextToken(p,&p,MaxTextExtent,token);
6611 (void) GetNextToken(p,&p,MaxTextExtent,token);
6612 y=GetDrawValue(token,&next_token);
6613 if (token == next_token)
6614 ThrowPointExpectedException(image,token);
6615 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6616 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6617 status&=TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep);
6618 q=(*mvg_info->primitive_info)+mvg_info->offset;
6619 mvg_info->offset+=q->coordinates;
6622 while (isspace((
int) ((
unsigned char) *p)) != 0)
6626 }
while (IsPoint(p) != MagickFalse);
6638 for (i=1; i < 4; i++)
6640 (void) GetNextToken(p,&p,MaxTextExtent,token);
6642 (void) GetNextToken(p,&p,MaxTextExtent,token);
6643 x=GetDrawValue(token,&next_token);
6644 if (token == next_token)
6645 ThrowPointExpectedException(image,token);
6646 (void) GetNextToken(p,&p,MaxTextExtent,token);
6648 (void) GetNextToken(p,&p,MaxTextExtent,token);
6649 y=GetDrawValue(token,&next_token);
6650 if (token == next_token)
6651 ThrowPointExpectedException(image,token);
6652 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6653 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6656 for (i=0; i < 4; i++)
6657 (q+i)->point=points[i];
6658 if (TraceBezier(mvg_info,4) == MagickFalse)
6660 q=(*mvg_info->primitive_info)+mvg_info->offset;
6661 mvg_info->offset+=q->coordinates;
6664 while (isspace((
int) ((
unsigned char) *p)) != 0)
6668 }
while (IsPoint(p) != MagickFalse);
6676 (void) GetNextToken(p,&p,MaxTextExtent,token);
6678 (void) GetNextToken(p,&p,MaxTextExtent,token);
6679 x=GetDrawValue(token,&next_token);
6680 if (token == next_token)
6681 ThrowPointExpectedException(image,token);
6682 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6683 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6685 q=(*mvg_info->primitive_info)+mvg_info->offset;
6686 if (TracePoint(q,point) == MagickFalse)
6688 mvg_info->offset+=q->coordinates;
6690 while (isspace((
int) ((
unsigned char) *p)) != 0)
6694 }
while (IsPoint(p) != MagickFalse);
6705 (void) GetNextToken(p,&p,MaxTextExtent,token);
6707 (void) GetNextToken(p,&p,MaxTextExtent,token);
6708 x=GetDrawValue(token,&next_token);
6709 if (token == next_token)
6710 ThrowPointExpectedException(image,token);
6711 (void) GetNextToken(p,&p,MaxTextExtent,token);
6713 (void) GetNextToken(p,&p,MaxTextExtent,token);
6714 y=GetDrawValue(token,&next_token);
6715 if (token == next_token)
6716 ThrowPointExpectedException(image,token);
6717 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6718 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6719 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6721 q=(*mvg_info->primitive_info)+mvg_info->offset;
6722 if (TracePoint(q,point) == MagickFalse)
6724 mvg_info->offset+=q->coordinates;
6726 while (isspace((
int) ((
unsigned char) *p)) != 0)
6730 }
while (IsPoint(p) != MagickFalse);
6739 if (mvg_info->offset != subpath_offset)
6741 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6742 primitive_info->coordinates=(size_t) (q-primitive_info);
6743 number_coordinates+=primitive_info->coordinates;
6745 subpath_offset=mvg_info->offset;
6750 (void) GetNextToken(p,&p,MaxTextExtent,token);
6752 (void) GetNextToken(p,&p,MaxTextExtent,token);
6753 x=GetDrawValue(token,&next_token);
6754 if (token == next_token)
6755 ThrowPointExpectedException(image,token);
6756 (void) GetNextToken(p,&p,MaxTextExtent,token);
6758 (void) GetNextToken(p,&p,MaxTextExtent,token);
6759 y=GetDrawValue(token,&next_token);
6760 if (token == next_token)
6761 ThrowPointExpectedException(image,token);
6762 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6763 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6767 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6769 q=(*mvg_info->primitive_info)+mvg_info->offset;
6770 if (TracePoint(q,point) == MagickFalse)
6772 mvg_info->offset+=q->coordinates;
6774 while (isspace((
int) ((
unsigned char) *p)) != 0)
6778 }
while (IsPoint(p) != MagickFalse);
6790 for (i=1; i < 3; i++)
6792 (void) GetNextToken(p,&p,MaxTextExtent,token);
6794 (void) GetNextToken(p,&p,MaxTextExtent,token);
6795 x=GetDrawValue(token,&next_token);
6796 if (token == next_token)
6797 ThrowPointExpectedException(image,token);
6798 (void) GetNextToken(p,&p,MaxTextExtent,token);
6800 (void) GetNextToken(p,&p,MaxTextExtent,token);
6801 y=GetDrawValue(token,&next_token);
6802 if (token == next_token)
6803 ThrowPointExpectedException(image,token);
6806 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6807 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6810 for (i=0; i < 3; i++)
6811 (q+i)->point=points[i];
6812 if (TraceBezier(mvg_info,3) == MagickFalse)
6814 q=(*mvg_info->primitive_info)+mvg_info->offset;
6815 mvg_info->offset+=q->coordinates;
6818 while (isspace((
int) ((
unsigned char) *p)) != 0)
6822 }
while (IsPoint(p) != MagickFalse);
6833 points[0]=points[3];
6834 points[1].x=2.0*points[3].x-points[2].x;
6835 points[1].y=2.0*points[3].y-points[2].y;
6836 for (i=2; i < 4; i++)
6838 (void) GetNextToken(p,&p,MaxTextExtent,token);
6840 (void) GetNextToken(p,&p,MaxTextExtent,token);
6841 x=GetDrawValue(token,&next_token);
6842 if (token == next_token)
6843 ThrowPointExpectedException(image,token);
6844 (void) GetNextToken(p,&p,MaxTextExtent,token);
6846 (void) GetNextToken(p,&p,MaxTextExtent,token);
6847 y=GetDrawValue(token,&next_token);
6848 if (token == next_token)
6849 ThrowPointExpectedException(image,token);
6852 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6853 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6856 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6861 for (i=0; i < 4; i++)
6862 (q+i)->point=points[i];
6863 if (TraceBezier(mvg_info,4) == MagickFalse)
6865 q=(*mvg_info->primitive_info)+mvg_info->offset;
6866 mvg_info->offset+=q->coordinates;
6869 last_attribute=attribute;
6870 while (isspace((
int) ((
unsigned char) *p)) != 0)
6874 }
while (IsPoint(p) != MagickFalse);
6885 points[0]=points[2];
6886 points[1].x=2.0*points[2].x-points[1].x;
6887 points[1].y=2.0*points[2].y-points[1].y;
6888 for (i=2; i < 3; i++)
6890 (void) GetNextToken(p,&p,MaxTextExtent,token);
6892 (void) GetNextToken(p,&p,MaxTextExtent,token);
6893 x=GetDrawValue(token,&next_token);
6894 if (token == next_token)
6895 ThrowPointExpectedException(image,token);
6896 (void) GetNextToken(p,&p,MaxTextExtent,token);
6898 (void) GetNextToken(p,&p,MaxTextExtent,token);
6899 y=GetDrawValue(token,&next_token);
6900 if (token == next_token)
6901 ThrowPointExpectedException(image,token);
6902 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6903 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6906 if (status == MagickFalse)
6908 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6913 for (i=0; i < 3; i++)
6914 (q+i)->point=points[i];
6915 if (TraceBezier(mvg_info,3) == MagickFalse)
6917 q=(*mvg_info->primitive_info)+mvg_info->offset;
6918 mvg_info->offset+=q->coordinates;
6921 last_attribute=attribute;
6922 while (isspace((
int) ((
unsigned char) *p)) != 0)
6926 }
while (IsPoint(p) != MagickFalse);
6937 (void) GetNextToken(p,&p,MaxTextExtent,token);
6939 (void) GetNextToken(p,&p,MaxTextExtent,token);
6940 y=GetDrawValue(token,&next_token);
6941 if (token == next_token)
6942 ThrowPointExpectedException(image,token);
6943 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
6944 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6946 q=(*mvg_info->primitive_info)+mvg_info->offset;
6947 if (TracePoint(q,point) == MagickFalse)
6949 mvg_info->offset+=q->coordinates;
6951 while (isspace((
int) ((
unsigned char) *p)) != 0)
6955 }
while (IsPoint(p) != MagickFalse);
6965 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6967 q=(*mvg_info->primitive_info)+mvg_info->offset;
6968 if (TracePoint(q,point) == MagickFalse)
6970 mvg_info->offset+=q->coordinates;
6972 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6973 primitive_info->coordinates=(size_t) (q-primitive_info);
6974 primitive_info->closed_subpath=MagickTrue;
6975 number_coordinates+=primitive_info->coordinates;
6977 subpath_offset=mvg_info->offset;
6983 ThrowPointExpectedException(image,token);
6988 if (status == MagickFalse)
6990 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6991 primitive_info->coordinates=(size_t) (q-primitive_info);
6992 number_coordinates+=primitive_info->coordinates;
6993 for (i=0; i < (ssize_t) number_coordinates; i++)
6996 q->primitive=primitive_type;
6998 q->method=FillToBorderMethod;
7001 return((ssize_t) number_coordinates);
7004 static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7017 if (TracePoint(p,start) == MagickFalse)
7018 return(MagickFalse);
7022 if (TracePoint(p,point) == MagickFalse)
7023 return(MagickFalse);
7025 if (TracePoint(p,end) == MagickFalse)
7026 return(MagickFalse);
7030 if (TracePoint(p,point) == MagickFalse)
7031 return(MagickFalse);
7033 if (TracePoint(p,start) == MagickFalse)
7034 return(MagickFalse);
7036 primitive_info->coordinates=(size_t) (p-primitive_info);
7037 primitive_info->closed_subpath=MagickTrue;
7038 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7040 p->primitive=primitive_info->primitive;
7046 static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7066 offset=mvg_info->offset;
7067 segment.x=fabs(end.x-start.x);
7068 segment.y=fabs(end.y-start.y);
7069 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7071 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7074 if (arc.x > (0.5*segment.x))
7075 arc.x=0.5*segment.x;
7076 if (arc.y > (0.5*segment.y))
7077 arc.y=0.5*segment.y;
7078 point.x=start.x+segment.x-arc.x;
7079 point.y=start.y+arc.y;
7082 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7083 return(MagickFalse);
7084 p=(*mvg_info->primitive_info)+mvg_info->offset;
7085 mvg_info->offset+=p->coordinates;
7086 point.x=start.x+segment.x-arc.x;
7087 point.y=start.y+segment.y-arc.y;
7090 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7091 return(MagickFalse);
7092 p=(*mvg_info->primitive_info)+mvg_info->offset;
7093 mvg_info->offset+=p->coordinates;
7094 point.x=start.x+arc.x;
7095 point.y=start.y+segment.y-arc.y;
7098 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7099 return(MagickFalse);
7100 p=(*mvg_info->primitive_info)+mvg_info->offset;
7101 mvg_info->offset+=p->coordinates;
7102 point.x=start.x+arc.x;
7103 point.y=start.y+arc.y;
7106 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7107 return(MagickFalse);
7108 p=(*mvg_info->primitive_info)+mvg_info->offset;
7109 mvg_info->offset+=p->coordinates;
7110 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7111 return(MagickFalse);
7112 p=(*mvg_info->primitive_info)+mvg_info->offset;
7113 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7114 return(MagickFalse);
7116 mvg_info->offset=offset;
7117 primitive_info=(*mvg_info->primitive_info)+offset;
7118 primitive_info->coordinates=(size_t) (p-primitive_info);
7119 primitive_info->closed_subpath=MagickTrue;
7120 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7122 p->primitive=primitive_info->primitive;
7128 static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7129 const size_t number_vertices,
const double offset)
7146 for (i=1; i < (ssize_t) number_vertices; i++)
7148 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7149 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7150 if ((fabs((
double) dx) >= MagickEpsilon) ||
7151 (fabs((
double) dy) >= MagickEpsilon))
7154 if (i == (ssize_t) number_vertices)
7155 i=(ssize_t) number_vertices-1L;
7156 distance=hypot((
double) dx,(
double) dy);
7157 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7158 dx*(distance+offset)/distance);
7159 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7160 dy*(distance+offset)/distance);
7161 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7163 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7164 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7165 if ((fabs((
double) dx) >= MagickEpsilon) ||
7166 (fabs((
double) dy) >= MagickEpsilon))
7169 distance=hypot((
double) dx,(
double) dy);
7170 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7171 dx*(distance+offset)/distance);
7172 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7173 dy*(distance+offset)/distance);
7180 #define MaxStrokePad (6*BezierQuantum+360) 7181 #define CheckPathExtent(pad_p,pad_q) \ 7183 if ((pad_p) > MaxBezierCoordinates) \ 7184 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \ 7186 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \ 7188 if (~extent_p < (pad_p)) \ 7189 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \ 7192 extent_p+=(pad_p); \ 7193 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \ 7194 MaxStrokePad,sizeof(*stroke_p)); \ 7197 if ((pad_q) > MaxBezierCoordinates) \ 7198 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \ 7200 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \ 7202 if (~extent_q < (pad_q)) \ 7203 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \ 7206 extent_q+=(pad_q); \ 7207 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \ 7208 MaxStrokePad,sizeof(*stroke_q)); \ 7211 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \ 7213 if (stroke_p != (PointInfo *) NULL) \ 7214 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \ 7215 if (stroke_q != (PointInfo *) NULL) \ 7216 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \ 7217 polygon_primitive=(PrimitiveInfo *) \ 7218 RelinquishMagickMemory(polygon_primitive); \ 7219 (void) ThrowMagickException(exception,GetMagickModule(), \ 7220 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \ 7221 return((PrimitiveInfo *) NULL); \ 7225 typedef struct _StrokeSegment
7271 inverse_slope = {0.0, 0.0},
7278 number_vertices=primitive_info->coordinates;
7279 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7280 number_vertices+2UL,
sizeof(*polygon_primitive));
7283 (void) ThrowMagickException(exception,GetMagickModule(),
7284 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7287 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7288 sizeof(*polygon_primitive));
7289 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7290 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7291 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7292 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7293 if (((draw_info->linejoin == RoundJoin) ||
7294 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7296 polygon_primitive[number_vertices]=primitive_info[1];
7299 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7305 for (n=1; n < (ssize_t) number_vertices; n++)
7307 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7308 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7309 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7312 if (n == (ssize_t) number_vertices)
7314 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7320 sizeof(*stroke_polygon));
7321 stroke_polygon[0]=polygon_primitive[0];
7322 stroke_polygon[0].coordinates=0;
7325 return(stroke_polygon);
7327 n=(ssize_t) number_vertices-1L;
7329 extent_p=2*number_vertices;
7330 extent_q=2*number_vertices;
7331 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7333 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7338 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7340 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7342 RelinquishMagickMemory(polygon_primitive);
7343 (void) ThrowMagickException(exception,GetMagickModule(),
7344 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7348 inverse_slope.p=0.0;
7349 if (fabs(dx.p) < MagickEpsilon)
7352 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7354 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7357 if (fabs(dy.p) < MagickEpsilon)
7360 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7362 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7367 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7369 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7370 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7371 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7372 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7373 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7374 offset.y=(double) (offset.x*inverse_slope.p);
7375 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7377 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7378 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7379 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7380 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7381 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7382 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7383 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7384 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7388 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7389 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7390 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7391 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7392 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7393 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7394 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7395 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7402 stroke_q[p++]=box_q[0];
7403 stroke_p[q++]=box_p[0];
7404 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7409 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7410 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7411 dot_product=dx.q*dx.q+dy.q*dy.q;
7412 if (dot_product < 0.25)
7415 inverse_slope.q=0.0;
7416 if (fabs(dx.q) < MagickEpsilon)
7419 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7421 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7424 if (fabs(dy.q) < MagickEpsilon)
7427 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7429 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7434 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7436 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7437 offset.y=(double) (offset.x*inverse_slope.q);
7438 dot_product=dy.q*offset.x-dx.q*offset.y;
7439 if (dot_product > 0.0)
7441 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7442 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7443 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7444 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7445 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7446 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7447 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7448 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7452 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7453 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7454 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7455 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7456 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7457 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7458 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7459 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7461 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7468 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7469 box_p[3].y)/(slope.p-slope.q));
7470 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7471 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7472 box_q[3].y)/(slope.p-slope.q));
7473 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7475 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7476 dot_product=dx.q*dy.p-dx.p*dy.q;
7477 if (dot_product <= 0.0)
7478 switch (draw_info->linejoin)
7482 stroke_q[q++]=box_q[1];
7483 stroke_q[q++]=box_q[2];
7484 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7485 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7486 if (dot_product <= miterlimit)
7487 stroke_p[p++]=box_p[4];
7490 stroke_p[p++]=box_p[1];
7491 stroke_p[p++]=box_p[2];
7497 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7498 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7499 if (dot_product <= miterlimit)
7501 stroke_q[q++]=box_q[4];
7502 stroke_p[p++]=box_p[4];
7506 stroke_q[q++]=box_q[1];
7507 stroke_q[q++]=box_q[2];
7508 stroke_p[p++]=box_p[1];
7509 stroke_p[p++]=box_p[2];
7515 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7516 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7517 if (dot_product <= miterlimit)
7518 stroke_p[p++]=box_p[4];
7521 stroke_p[p++]=box_p[1];
7522 stroke_p[p++]=box_p[2];
7524 center=polygon_primitive[n].point;
7525 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7526 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7527 if (theta.q < theta.p)
7528 theta.q+=2.0*MagickPI;
7529 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7530 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7531 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7532 stroke_q[q].x=box_q[1].x;
7533 stroke_q[q].y=box_q[1].y;
7535 for (j=1; j < (ssize_t) arc_segments; j++)
7537 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7538 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7539 (theta.p+delta_theta),DegreesToRadians(360.0))));
7540 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7541 (theta.p+delta_theta),DegreesToRadians(360.0))));
7544 stroke_q[q++]=box_q[2];
7551 switch (draw_info->linejoin)
7555 stroke_p[p++]=box_p[1];
7556 stroke_p[p++]=box_p[2];
7557 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7558 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7559 if (dot_product <= miterlimit)
7560 stroke_q[q++]=box_q[4];
7563 stroke_q[q++]=box_q[1];
7564 stroke_q[q++]=box_q[2];
7570 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7571 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7572 if (dot_product <= miterlimit)
7574 stroke_q[q++]=box_q[4];
7575 stroke_p[p++]=box_p[4];
7579 stroke_q[q++]=box_q[1];
7580 stroke_q[q++]=box_q[2];
7581 stroke_p[p++]=box_p[1];
7582 stroke_p[p++]=box_p[2];
7588 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7589 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7590 if (dot_product <= miterlimit)
7591 stroke_q[q++]=box_q[4];
7594 stroke_q[q++]=box_q[1];
7595 stroke_q[q++]=box_q[2];
7597 center=polygon_primitive[n].point;
7598 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7599 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7600 if (theta.p < theta.q)
7601 theta.p+=2.0*MagickPI;
7602 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7603 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7604 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7605 stroke_p[p++]=box_p[1];
7606 for (j=1; j < (ssize_t) arc_segments; j++)
7608 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7609 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7610 (theta.p+delta_theta),DegreesToRadians(360.0))));
7611 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7612 (theta.p+delta_theta),DegreesToRadians(360.0))));
7615 stroke_p[p++]=box_p[2];
7622 inverse_slope.p=inverse_slope.q;
7631 stroke_p[p++]=box_p[1];
7632 stroke_q[q++]=box_q[1];
7636 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7637 (p+q+2UL*closed_path+2UL),
sizeof(*stroke_polygon));
7640 (void) ThrowMagickException(exception,GetMagickModule(),
7641 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7642 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7643 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7646 return(stroke_polygon);
7648 for (i=0; i < (ssize_t) p; i++)
7650 stroke_polygon[i]=polygon_primitive[0];
7651 stroke_polygon[i].point=stroke_p[i];
7653 if (closed_path != MagickFalse)
7655 stroke_polygon[i]=polygon_primitive[0];
7656 stroke_polygon[i].point=stroke_polygon[0].point;
7659 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7661 stroke_polygon[i]=polygon_primitive[0];
7662 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7664 if (closed_path != MagickFalse)
7666 stroke_polygon[i]=polygon_primitive[0];
7667 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7670 stroke_polygon[i]=polygon_primitive[0];
7671 stroke_polygon[i].point=stroke_polygon[0].point;
7673 stroke_polygon[i].primitive=UndefinedPrimitive;
7674 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7675 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7676 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7677 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7678 return(stroke_polygon);