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,bounding_box.height-bounding_box.y,2)
2032 for (y=bounding_box.y; y < (ssize_t) bounding_box.height; y++)
2043 *magick_restrict indexes;
2055 if (status == MagickFalse)
2057 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2063 indexes=GetCacheViewAuthenticIndexQueue(image_view);
2066 offset=GetStopColorOffset(gradient,0,y);
2067 if (gradient->type != RadialGradient)
2068 offset*=PerceptibleReciprocal(length);
2069 for (x=bounding_box.x; x < (ssize_t) bounding_box.width; x++)
2071 SetMagickPixelPacket(image,q,indexes+x,&pixel);
2072 switch (gradient->spread)
2074 case UndefinedSpread:
2077 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2078 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2080 offset=GetStopColorOffset(gradient,x,y);
2081 if (gradient->type != RadialGradient)
2082 offset*=PerceptibleReciprocal(length);
2084 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2085 if (offset < gradient->stops[i].offset)
2087 if ((offset < 0.0) || (i == 0))
2088 composite=gradient->stops[0].color;
2090 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2091 composite=gradient->stops[gradient->number_stops-1].color;
2096 alpha=(offset-gradient->stops[i].offset)/
2097 (gradient->stops[j].offset-gradient->stops[i].offset);
2098 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2099 &gradient->stops[j].color,alpha,&composite);
2105 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2106 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2108 offset=GetStopColorOffset(gradient,x,y);
2109 if (gradient->type != RadialGradient)
2110 offset*=PerceptibleReciprocal(length);
2114 if ((ssize_t) fmod(offset,2.0) == 0)
2115 offset=fmod(offset,1.0);
2117 offset=1.0-fmod(offset,1.0);
2118 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2119 if (offset < gradient->stops[i].offset)
2122 composite=gradient->stops[0].color;
2124 if (i == (ssize_t) gradient->number_stops)
2125 composite=gradient->stops[gradient->number_stops-1].color;
2130 alpha=(offset-gradient->stops[i].offset)/
2131 (gradient->stops[j].offset-gradient->stops[i].offset);
2132 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2133 &gradient->stops[j].color,alpha,&composite);
2145 antialias=MagickFalse;
2147 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2148 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2150 offset=GetStopColorOffset(gradient,x,y);
2151 if (gradient->type == LinearGradient)
2153 repeat=fmod(offset,length);
2155 repeat=length-fmod(-repeat,length);
2157 repeat=fmod(offset,length);
2158 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2159 MagickTrue : MagickFalse;
2160 offset=PerceptibleReciprocal(length)*repeat;
2164 repeat=fmod(offset,(
double) gradient->radius);
2166 repeat=gradient->radius-fmod(-repeat,
2167 (
double) gradient->radius);
2169 repeat=fmod(offset,(
double) gradient->radius);
2170 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2172 offset=repeat*PerceptibleReciprocal(gradient->radius);
2175 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2176 if (offset < gradient->stops[i].offset)
2179 composite=gradient->stops[0].color;
2181 if (i == (ssize_t) gradient->number_stops)
2182 composite=gradient->stops[gradient->number_stops-1].color;
2187 alpha=(offset-gradient->stops[i].offset)/
2188 (gradient->stops[j].offset-gradient->stops[i].offset);
2189 if (antialias != MagickFalse)
2191 if (gradient->type == LinearGradient)
2192 alpha=length-repeat;
2194 alpha=gradient->radius-repeat;
2196 j=(ssize_t) gradient->number_stops-1L;
2198 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2199 &gradient->stops[j].color,alpha,&composite);
2204 MagickPixelCompositeOver(&composite,composite.opacity,&pixel,
2205 pixel.opacity,&pixel);
2206 SetPixelPacket(image,&pixel,q,indexes+x);
2209 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2212 image_view=DestroyCacheView(image_view);
2245 static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2249 **text = (
char **) NULL;
2263 quantum=
sizeof(**mvg_info->primitive_info);
2264 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*quantum;
2265 if (extent <= (
double) *mvg_info->extent)
2267 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2268 return(MagickFalse);
2269 if (mvg_info->offset > 0)
2271 text=(
char **) AcquireQuantumMemory(mvg_info->offset,
sizeof(*text));
2272 if (text == (
char **) NULL)
2273 return(MagickFalse);
2274 for (i=0; i < mvg_info->offset; i++)
2275 text[i]=(*mvg_info->primitive_info)[i].text;
2277 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2278 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2281 if (text != (
char **) NULL)
2282 text=(
char **) RelinquishMagickMemory(text);
2283 *mvg_info->extent=(size_t) extent;
2284 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2286 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2287 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2294 if (text != (
char **) NULL)
2296 for (i=0; i < mvg_info->offset; i++)
2297 if (text[i] != (
char *) NULL)
2298 text[i]=DestroyString(text[i]);
2299 text=(
char **) RelinquishMagickMemory(text);
2301 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2302 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2303 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2304 (PrimitiveExtentPad+1)*quantum);
2305 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2307 *mvg_info->extent=1;
2309 return(MagickFalse);
2312 static inline double GetDrawValue(
const char *magick_restrict
string,
2313 char **magick_restrict sentinel)
2316 **magick_restrict q;
2322 value=InterpretLocaleValue(
string,q);
2327 static int MVGMacroCompare(
const void *target,
const void *source)
2333 p=(
const char *) target;
2334 q=(
const char *) source;
2335 return(strcmp(p,q));
2356 if (primitive == (
const char *) NULL)
2358 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2359 RelinquishMagickMemory);
2360 macro=AcquireString(primitive);
2361 token=AcquireString(primitive);
2362 extent=strlen(token)+MagickPathExtent;
2363 for (q=primitive; *q !=
'\0'; )
2365 if (GetNextToken(q,&q,extent,token) < 1)
2369 if (LocaleCompare(
"push",token) == 0)
2375 (void) GetNextToken(q,&q,extent,token);
2379 name[MagickPathExtent];
2390 (void) GetNextToken(q,&q,extent,token);
2393 (void) CopyMagickString(name,token,MagickPathExtent);
2395 for (p=q; *p !=
'\0'; )
2397 if (GetNextToken(p,&p,extent,token) < 1)
2401 if (LocaleCompare(token,
"pop") == 0)
2403 end=p-strlen(token)-1;
2406 if (LocaleCompare(token,
"push") == 0)
2408 if ((n == 0) && (end > start))
2413 (void) GetNextToken(p,&p,extent,token);
2414 (void) CopyMagickString(macro,start,(
size_t) (end-start));
2415 (void) AddValueToSplayTree(macros,ConstantString(name),
2416 ConstantString(macro));
2423 token=DestroyString(token);
2424 macro=DestroyString(macro);
2428 static inline MagickBooleanType IsPoint(
const char *point)
2436 value=GetDrawValue(point,&p);
2437 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2441 static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2444 primitive_info->coordinates=1;
2445 primitive_info->closed_subpath=MagickFalse;
2446 primitive_info->point=point;
2450 static MagickBooleanType RenderMVGContent(
Image *image,
2451 const DrawInfo *draw_info,
const size_t depth)
2453 #define RenderImageTag "Render/Image"
2460 key[2*MaxTextExtent],
2461 keyword[MaxTextExtent],
2462 geometry[MaxTextExtent],
2463 name[MaxTextExtent],
2465 pattern[MaxTextExtent],
2527 assert(image != (
Image *) NULL);
2528 assert(image->signature == MagickCoreSignature);
2529 assert(draw_info != (
DrawInfo *) NULL);
2530 assert(draw_info->signature == MagickCoreSignature);
2531 if (IsEventLogging() != MagickFalse)
2532 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2533 if (depth > MagickMaxRecursionDepth)
2534 ThrowBinaryImageException(DrawError,
"VectorGraphicsNestedTooDeeply",
2536 if ((draw_info->primitive == (
char *) NULL) ||
2537 (*draw_info->primitive ==
'\0'))
2538 return(MagickFalse);
2539 if (draw_info->debug != MagickFalse)
2540 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2541 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
2542 return(MagickFalse);
2543 if (image->matte == MagickFalse)
2545 status=SetImageAlphaChannel(image,OpaqueAlphaChannel);
2546 if (status == MagickFalse)
2547 return(MagickFalse);
2549 primitive=(
char *) NULL;
2550 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2551 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2552 primitive=FileToString(draw_info->primitive,~0UL,&image->exception);
2554 primitive=AcquireString(draw_info->primitive);
2555 if (primitive == (
char *) NULL)
2556 return(MagickFalse);
2557 primitive_extent=(double) strlen(primitive);
2558 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2563 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2564 if (graphic_context == (
DrawInfo **) NULL)
2566 primitive=DestroyString(primitive);
2567 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2570 number_points=(size_t) PrimitiveExtentPad;
2571 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2572 (number_points+1),
sizeof(*primitive_info));
2575 primitive=DestroyString(primitive);
2576 for ( ; n >= 0; n--)
2577 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2578 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2579 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2582 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2583 sizeof(*primitive_info));
2584 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2585 mvg_info.primitive_info=(&primitive_info);
2586 mvg_info.extent=(&number_points);
2587 mvg_info.exception=(&image->exception);
2588 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2589 graphic_context[n]->viewbox=image->page;
2590 if ((image->page.width == 0) || (image->page.height == 0))
2592 graphic_context[n]->viewbox.width=image->columns;
2593 graphic_context[n]->viewbox.height=image->rows;
2595 token=AcquireString(primitive);
2596 extent=strlen(token)+MaxTextExtent;
2600 macros=GetMVGMacros(primitive);
2601 status=QueryColorDatabase(
"#000000",&start_color,&image->exception);
2602 for (q=primitive; *q !=
'\0'; )
2607 if (GetNextToken(q,&q,MaxTextExtent,keyword) < 1)
2609 if (*keyword ==
'\0')
2611 if (*keyword ==
'#')
2616 while ((*q !=
'\n') && (*q !=
'\0'))
2620 p=q-strlen(keyword)-1;
2621 primitive_type=UndefinedPrimitive;
2622 current=graphic_context[n]->affine;
2623 GetAffineMatrix(&affine);
2632 if (LocaleCompare(
"affine",keyword) == 0)
2634 (void) GetNextToken(q,&q,extent,token);
2635 affine.sx=GetDrawValue(token,&next_token);
2636 if (token == next_token)
2637 ThrowPointExpectedException(image,token);
2638 (void) GetNextToken(q,&q,extent,token);
2640 (void) GetNextToken(q,&q,extent,token);
2641 affine.rx=GetDrawValue(token,&next_token);
2642 if (token == next_token)
2643 ThrowPointExpectedException(image,token);
2644 (void) GetNextToken(q,&q,extent,token);
2646 (void) GetNextToken(q,&q,extent,token);
2647 affine.ry=GetDrawValue(token,&next_token);
2648 if (token == next_token)
2649 ThrowPointExpectedException(image,token);
2650 (void) GetNextToken(q,&q,extent,token);
2652 (void) GetNextToken(q,&q,extent,token);
2653 affine.sy=GetDrawValue(token,&next_token);
2654 if (token == next_token)
2655 ThrowPointExpectedException(image,token);
2656 (void) GetNextToken(q,&q,extent,token);
2658 (void) GetNextToken(q,&q,extent,token);
2659 affine.tx=GetDrawValue(token,&next_token);
2660 if (token == next_token)
2661 ThrowPointExpectedException(image,token);
2662 (void) GetNextToken(q,&q,extent,token);
2664 (void) GetNextToken(q,&q,extent,token);
2665 affine.ty=GetDrawValue(token,&next_token);
2666 if (token == next_token)
2667 ThrowPointExpectedException(image,token);
2670 if (LocaleCompare(
"arc",keyword) == 0)
2672 primitive_type=ArcPrimitive;
2681 if (LocaleCompare(
"bezier",keyword) == 0)
2683 primitive_type=BezierPrimitive;
2686 if (LocaleCompare(
"border-color",keyword) == 0)
2688 (void) GetNextToken(q,&q,extent,token);
2689 status&=QueryColorDatabase(token,&graphic_context[n]->border_color,
2699 if (LocaleCompare(
"class",keyword) == 0)
2704 (void) GetNextToken(q,&q,extent,token);
2705 if ((*token ==
'\0') || (*token ==
';'))
2713 for (i=0; i < n; i++)
2714 if (LocaleCompare(token,graphic_context[i]->
id) == 0)
2718 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2719 if ((graphic_context[n]->render != MagickFalse) &&
2720 (mvg_class != (
const char *) NULL) && (p > primitive))
2731 offset=(ssize_t) (p-primitive);
2732 elements=AcquireString(primitive);
2733 elements[offset]=
'\0';
2734 (void) ConcatenateString(&elements,mvg_class);
2735 (void) ConcatenateString(&elements,
"\n");
2736 (void) ConcatenateString(&elements,q);
2737 primitive=DestroyString(primitive);
2743 if (LocaleCompare(
"clip-path",keyword) == 0)
2751 (void) GetNextToken(q,&q,extent,token);
2757 (void) CloneString(&graphic_context[n]->clip_mask,token);
2758 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2759 if (clip_path != (
const char *) NULL)
2761 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2762 graphic_context[n]->clipping_mask=
2763 DestroyImage(graphic_context[n]->clipping_mask);
2764 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2765 graphic_context[n],token,clip_path,&image->exception);
2766 if (graphic_context[n]->compliance != SVGCompliance)
2771 clip_path=(
const char *) GetValueFromSplayTree(macros,
2772 graphic_context[n]->clip_mask);
2773 if (clip_path != (
const char *) NULL)
2774 (
void) SetImageArtifact(image,
2775 graphic_context[n]->clip_mask,clip_path);
2776 status&=DrawClipPath(image,graphic_context[n],
2777 graphic_context[n]->clip_mask);
2782 if (LocaleCompare(
"clip-rule",keyword) == 0)
2787 (void) GetNextToken(q,&q,extent,token);
2788 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2790 if (fill_rule == -1)
2795 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2798 if (LocaleCompare(
"clip-units",keyword) == 0)
2803 (void) GetNextToken(q,&q,extent,token);
2804 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2806 if (clip_units == -1)
2811 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2812 if (clip_units == ObjectBoundingBox)
2814 GetAffineMatrix(¤t);
2815 affine.sx=draw_info->bounds.x2;
2816 affine.sy=draw_info->bounds.y2;
2817 affine.tx=draw_info->bounds.x1;
2818 affine.ty=draw_info->bounds.y1;
2823 if (LocaleCompare(
"circle",keyword) == 0)
2825 primitive_type=CirclePrimitive;
2828 if (LocaleCompare(
"color",keyword) == 0)
2830 primitive_type=ColorPrimitive;
2833 if (LocaleCompare(
"compliance",keyword) == 0)
2839 (void) GetNextToken(q,&q,extent,token);
2840 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2841 MagickComplianceOptions,MagickFalse,token);
2844 if (LocaleCompare(
"currentColor",keyword) == 0)
2846 (void) GetNextToken(q,&q,extent,token);
2855 if (LocaleCompare(
"decorate",keyword) == 0)
2860 (void) GetNextToken(q,&q,extent,token);
2861 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2868 graphic_context[n]->decorate=(DecorationType) decorate;
2871 if (LocaleCompare(
"density",keyword) == 0)
2873 (void) GetNextToken(q,&q,extent,token);
2874 (void) CloneString(&graphic_context[n]->density,token);
2877 if (LocaleCompare(
"direction",keyword) == 0)
2882 (void) GetNextToken(q,&q,extent,token);
2883 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2885 if (direction == -1)
2888 graphic_context[n]->direction=(DirectionType) direction;
2897 if (LocaleCompare(
"ellipse",keyword) == 0)
2899 primitive_type=EllipsePrimitive;
2902 if (LocaleCompare(
"encoding",keyword) == 0)
2904 (void) GetNextToken(q,&q,extent,token);
2905 (void) CloneString(&graphic_context[n]->encoding,token);
2914 if (LocaleCompare(
"fill",keyword) == 0)
2919 (void) GetNextToken(q,&q,extent,token);
2920 if (graphic_context[n]->clip_path != MagickFalse)
2922 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2923 if (mvg_class != (
const char *) NULL)
2925 (void) DrawPatternPath(image,draw_info,mvg_class,
2926 &graphic_context[n]->fill_pattern);
2929 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
2930 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2932 (void) DrawPatternPath(image,draw_info,token,
2933 &graphic_context[n]->fill_pattern);
2936 status&=QueryColorDatabase(token,&graphic_context[n]->fill,
2938 if (graphic_context[n]->fill_opacity != (
double) OpaqueOpacity)
2939 graphic_context[n]->fill.opacity=ClampToQuantum(
2940 graphic_context[n]->fill_opacity);
2943 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2948 (void) GetNextToken(q,&q,extent,token);
2949 if (graphic_context[n]->clip_path != MagickFalse)
2951 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2952 opacity=MagickMin(MagickMax(factor*
2953 GetDrawValue(token,&next_token),0.0),1.0);
2954 if (token == next_token)
2955 ThrowPointExpectedException(image,token);
2956 if (graphic_context[n]->compliance == SVGCompliance)
2957 graphic_context[n]->fill_opacity*=(1.0-opacity);
2959 graphic_context[n]->fill_opacity=((MagickRealType) QuantumRange-
2960 graphic_context[n]->fill_opacity)*(1.0-opacity);
2961 if (graphic_context[n]->fill.opacity != TransparentOpacity)
2962 graphic_context[n]->fill.opacity=(Quantum)
2963 graphic_context[n]->fill_opacity;
2965 graphic_context[n]->fill.opacity=ClampToQuantum((MagickRealType)
2966 QuantumRange*(1.0-opacity));
2969 if (LocaleCompare(
"fill-rule",keyword) == 0)
2974 (void) GetNextToken(q,&q,extent,token);
2975 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2977 if (fill_rule == -1)
2982 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2985 if (LocaleCompare(
"font",keyword) == 0)
2987 (void) GetNextToken(q,&q,extent,token);
2988 (void) CloneString(&graphic_context[n]->font,token);
2989 if (LocaleCompare(
"none",token) == 0)
2990 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
2991 graphic_context[n]->font);
2994 if (LocaleCompare(
"font-family",keyword) == 0)
2996 (void) GetNextToken(q,&q,extent,token);
2997 (void) CloneString(&graphic_context[n]->family,token);
3000 if (LocaleCompare(
"font-size",keyword) == 0)
3002 (void) GetNextToken(q,&q,extent,token);
3003 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3004 if (token == next_token)
3005 ThrowPointExpectedException(image,token);
3008 if (LocaleCompare(
"font-stretch",keyword) == 0)
3013 (void) GetNextToken(q,&q,extent,token);
3014 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3020 graphic_context[n]->stretch=(StretchType) stretch;
3023 if (LocaleCompare(
"font-style",keyword) == 0)
3028 (void) GetNextToken(q,&q,extent,token);
3029 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3035 graphic_context[n]->style=(StyleType) style;
3038 if (LocaleCompare(
"font-weight",keyword) == 0)
3043 (void) GetNextToken(q,&q,extent,token);
3044 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3046 weight=(ssize_t) StringToUnsignedLong(token);
3047 graphic_context[n]->weight=(size_t) weight;
3056 if (LocaleCompare(
"gradient-units",keyword) == 0)
3058 (void) GetNextToken(q,&q,extent,token);
3061 if (LocaleCompare(
"gravity",keyword) == 0)
3066 (void) GetNextToken(q,&q,extent,token);
3067 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3073 graphic_context[n]->gravity=(GravityType) gravity;
3082 if (LocaleCompare(
"image",keyword) == 0)
3087 primitive_type=ImagePrimitive;
3088 (void) GetNextToken(q,&q,extent,token);
3089 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3095 graphic_context[n]->compose=(CompositeOperator) compose;
3098 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3100 (void) GetNextToken(q,&q,extent,token);
3101 graphic_context[n]->interline_spacing=GetDrawValue(token,
3103 if (token == next_token)
3104 ThrowPointExpectedException(image,token);
3107 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3109 (void) GetNextToken(q,&q,extent,token);
3110 graphic_context[n]->interword_spacing=GetDrawValue(token,
3112 if (token == next_token)
3113 ThrowPointExpectedException(image,token);
3122 if (LocaleCompare(
"kerning",keyword) == 0)
3124 (void) GetNextToken(q,&q,extent,token);
3125 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3126 if (token == next_token)
3127 ThrowPointExpectedException(image,token);
3136 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3138 (void) GetNextToken(q,&q,extent,token);
3139 if (IsPoint(token) == MagickFalse)
3141 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3142 clone_info->text=AcquireString(
" ");
3143 status&=GetTypeMetrics(image,clone_info,&metrics);
3144 graphic_context[n]->kerning=metrics.width*
3145 GetDrawValue(token,&next_token);
3146 clone_info=DestroyDrawInfo(clone_info);
3147 if (token == next_token)
3148 ThrowPointExpectedException(image,token);
3151 if (LocaleCompare(
"line",keyword) == 0)
3153 primitive_type=LinePrimitive;
3162 if (LocaleCompare(
"mask",keyword) == 0)
3170 (void) GetNextToken(q,&q,extent,token);
3171 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3172 if (mask_path != (
const char *) NULL)
3174 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3175 graphic_context[n]->composite_mask=
3176 DestroyImage(graphic_context[n]->composite_mask);
3177 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3178 graphic_context[n],token,mask_path,&image->exception);
3179 if (graphic_context[n]->compliance != SVGCompliance)
3180 status=SetImageMask(image,graphic_context[n]->composite_mask);
3184 if (LocaleCompare(
"matte",keyword) == 0)
3186 primitive_type=MattePrimitive;
3195 if (LocaleCompare(
"offset",keyword) == 0)
3197 (void) GetNextToken(q,&q,extent,token);
3200 if (LocaleCompare(
"opacity",keyword) == 0)
3205 (void) GetNextToken(q,&q,extent,token);
3206 if (graphic_context[n]->clip_path != MagickFalse)
3208 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3209 opacity=MagickMin(MagickMax(factor*
3210 GetDrawValue(token,&next_token),0.0),1.0);
3211 if (token == next_token)
3212 ThrowPointExpectedException(image,token);
3213 if (graphic_context[n]->compliance == SVGCompliance)
3215 graphic_context[n]->fill_opacity*=(1.0-opacity);
3216 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3220 graphic_context[n]->fill_opacity=((MagickRealType) QuantumRange-
3221 graphic_context[n]->fill_opacity)*(1.0-opacity);
3222 graphic_context[n]->stroke_opacity=((MagickRealType)
3223 QuantumRange-graphic_context[n]->stroke_opacity)*
3234 if (LocaleCompare(
"path",keyword) == 0)
3236 primitive_type=PathPrimitive;
3239 if (LocaleCompare(
"point",keyword) == 0)
3241 primitive_type=PointPrimitive;
3244 if (LocaleCompare(
"polyline",keyword) == 0)
3246 primitive_type=PolylinePrimitive;
3249 if (LocaleCompare(
"polygon",keyword) == 0)
3251 primitive_type=PolygonPrimitive;
3254 if (LocaleCompare(
"pop",keyword) == 0)
3256 if (GetNextToken(q,&q,extent,token) < 1)
3258 if (LocaleCompare(
"class",token) == 0)
3260 if (LocaleCompare(
"clip-path",token) == 0)
3262 if (LocaleCompare(
"defs",token) == 0)
3265 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3269 if (LocaleCompare(
"gradient",token) == 0)
3271 if (LocaleCompare(
"graphic-context",token) == 0)
3275 (void) ThrowMagickException(&image->exception,
3276 GetMagickModule(),DrawError,
3277 "UnbalancedGraphicContextPushPop",
"`%s'",token);
3282 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3283 (graphic_context[n]->compliance != SVGCompliance))
3284 if (LocaleCompare(graphic_context[n]->clip_mask,
3285 graphic_context[n-1]->clip_mask) != 0)
3286 status=SetImageClipMask(image,(
Image *) NULL);
3287 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3291 if (LocaleCompare(
"mask",token) == 0)
3293 if (LocaleCompare(
"pattern",token) == 0)
3295 if (LocaleCompare(
"symbol",token) == 0)
3298 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3305 if (LocaleCompare(
"push",keyword) == 0)
3307 if (GetNextToken(q,&q,extent,token) < 1)
3309 if (LocaleCompare(
"class",token) == 0)
3314 for (p=q; *q !=
'\0'; )
3316 if (GetNextToken(q,&q,extent,token) < 1)
3318 if (LocaleCompare(token,
"pop") != 0)
3320 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3321 if (LocaleCompare(token,
"class") != 0)
3325 (void) GetNextToken(q,&q,extent,token);
3328 if (LocaleCompare(
"clip-path",token) == 0)
3330 (void) GetNextToken(q,&q,extent,token);
3331 for (p=q; *q !=
'\0'; )
3333 if (GetNextToken(q,&q,extent,token) < 1)
3335 if (LocaleCompare(token,
"pop") != 0)
3337 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3338 if (LocaleCompare(token,
"clip-path") != 0)
3342 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3347 (void) GetNextToken(q,&q,extent,token);
3350 if (LocaleCompare(
"defs",token) == 0)
3353 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3357 if (LocaleCompare(
"gradient",token) == 0)
3360 key[2*MaxTextExtent],
3361 name[MaxTextExtent],
3362 type[MaxTextExtent];
3367 (void) GetNextToken(q,&q,extent,token);
3368 (void) CopyMagickString(name,token,MaxTextExtent);
3369 (void) GetNextToken(q,&q,extent,token);
3370 (void) CopyMagickString(type,token,MaxTextExtent);
3371 (void) GetNextToken(q,&q,extent,token);
3372 segment.x1=GetDrawValue(token,&next_token);
3373 if (token == next_token)
3374 ThrowPointExpectedException(image,token);
3375 (void) GetNextToken(q,&q,extent,token);
3377 (void) GetNextToken(q,&q,extent,token);
3378 segment.y1=GetDrawValue(token,&next_token);
3379 if (token == next_token)
3380 ThrowPointExpectedException(image,token);
3381 (void) GetNextToken(q,&q,extent,token);
3383 (void) GetNextToken(q,&q,extent,token);
3384 segment.x2=GetDrawValue(token,&next_token);
3385 if (token == next_token)
3386 ThrowPointExpectedException(image,token);
3387 (void) GetNextToken(q,&q,extent,token);
3389 (void) GetNextToken(q,&q,extent,token);
3390 segment.y2=GetDrawValue(token,&next_token);
3391 if (token == next_token)
3392 ThrowPointExpectedException(image,token);
3393 if (LocaleCompare(type,
"radial") == 0)
3395 (void) GetNextToken(q,&q,extent,token);
3397 (void) GetNextToken(q,&q,extent,token);
3399 for (p=q; *q !=
'\0'; )
3401 if (GetNextToken(q,&q,extent,token) < 1)
3403 if (LocaleCompare(token,
"pop") != 0)
3405 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3406 if (LocaleCompare(token,
"gradient") != 0)
3410 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3411 (p == (
char *) NULL) || ((q-4) < p))
3416 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3417 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3418 graphic_context[n]->affine.ry*segment.y1+
3419 graphic_context[n]->affine.tx;
3420 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3421 graphic_context[n]->affine.sy*segment.y1+
3422 graphic_context[n]->affine.ty;
3423 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3424 graphic_context[n]->affine.ry*segment.y2+
3425 graphic_context[n]->affine.tx;
3426 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3427 graphic_context[n]->affine.sy*segment.y2+
3428 graphic_context[n]->affine.ty;
3429 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3430 (void) SetImageArtifact(image,key,token);
3431 (void) FormatLocaleString(key,MaxTextExtent,
"%s-type",name);
3432 (void) SetImageArtifact(image,key,type);
3433 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3434 (void) FormatLocaleString(geometry,MaxTextExtent,
3435 "%gx%g%+.15g%+.15g",
3436 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3437 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3438 bounds.x1,bounds.y1);
3439 (void) SetImageArtifact(image,key,geometry);
3440 (void) GetNextToken(q,&q,extent,token);
3443 if (LocaleCompare(
"graphic-context",token) == 0)
3446 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3447 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3448 if (graphic_context == (
DrawInfo **) NULL)
3450 (void) ThrowMagickException(&image->exception,
3451 GetMagickModule(),ResourceLimitError,
3452 "MemoryAllocationFailed",
"`%s'",image->filename);
3455 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3456 graphic_context[n-1]);
3459 (void) GetNextToken(q,&q,extent,token);
3460 (void) CloneString(&graphic_context[n]->
id,token);
3464 if (LocaleCompare(
"mask",token) == 0)
3466 (void) GetNextToken(q,&q,extent,token);
3469 if (LocaleCompare(
"pattern",token) == 0)
3474 (void) GetNextToken(q,&q,extent,token);
3475 (void) CopyMagickString(name,token,MaxTextExtent);
3476 (void) GetNextToken(q,&q,extent,token);
3477 bounds.x=CastDoubleToLong(ceil(GetDrawValue(token,
3479 if (token == next_token)
3480 ThrowPointExpectedException(image,token);
3481 (void) GetNextToken(q,&q,extent,token);
3483 (void) GetNextToken(q,&q,extent,token);
3484 bounds.y=CastDoubleToLong(ceil(GetDrawValue(token,
3486 if (token == next_token)
3487 ThrowPointExpectedException(image,token);
3488 (void) GetNextToken(q,&q,extent,token);
3490 (void) GetNextToken(q,&q,extent,token);
3491 bounds.width=CastDoubleToUnsigned(GetDrawValue(token,
3493 if (token == next_token)
3494 ThrowPointExpectedException(image,token);
3495 (void) GetNextToken(q,&q,extent,token);
3497 (void) GetNextToken(q,&q,extent,token);
3498 bounds.height=CastDoubleToUnsigned(GetDrawValue(token,
3500 if (token == next_token)
3501 ThrowPointExpectedException(image,token);
3502 for (p=q; *q !=
'\0'; )
3504 if (GetNextToken(q,&q,extent,token) < 1)
3506 if (LocaleCompare(token,
"pop") != 0)
3508 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3509 if (LocaleCompare(token,
"pattern") != 0)
3513 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3518 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3519 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3520 (void) SetImageArtifact(image,key,token);
3521 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3522 (void) FormatLocaleString(geometry,MaxTextExtent,
3523 "%.20gx%.20g%+.20g%+.20g",(
double) bounds.width,(double)
3524 bounds.height,(
double) bounds.x,(double) bounds.y);
3525 (void) SetImageArtifact(image,key,geometry);
3526 (void) GetNextToken(q,&q,extent,token);
3529 if (LocaleCompare(
"symbol",token) == 0)
3532 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3545 if (LocaleCompare(
"rectangle",keyword) == 0)
3547 primitive_type=RectanglePrimitive;
3550 if (LocaleCompare(
"rotate",keyword) == 0)
3552 (void) GetNextToken(q,&q,extent,token);
3553 angle=GetDrawValue(token,&next_token);
3554 if (token == next_token)
3555 ThrowPointExpectedException(image,token);
3556 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3557 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3558 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3559 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3562 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3564 primitive_type=RoundRectanglePrimitive;
3573 if (LocaleCompare(
"scale",keyword) == 0)
3575 (void) GetNextToken(q,&q,extent,token);
3576 affine.sx=GetDrawValue(token,&next_token);
3577 if (token == next_token)
3578 ThrowPointExpectedException(image,token);
3579 (void) GetNextToken(q,&q,extent,token);
3581 (void) GetNextToken(q,&q,extent,token);
3582 affine.sy=GetDrawValue(token,&next_token);
3583 if (token == next_token)
3584 ThrowPointExpectedException(image,token);
3587 if (LocaleCompare(
"skewX",keyword) == 0)
3589 (void) GetNextToken(q,&q,extent,token);
3590 angle=GetDrawValue(token,&next_token);
3591 if (token == next_token)
3592 ThrowPointExpectedException(image,token);
3593 affine.ry=sin(DegreesToRadians(angle));
3596 if (LocaleCompare(
"skewY",keyword) == 0)
3598 (void) GetNextToken(q,&q,extent,token);
3599 angle=GetDrawValue(token,&next_token);
3600 if (token == next_token)
3601 ThrowPointExpectedException(image,token);
3602 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3605 if (LocaleCompare(
"stop-color",keyword) == 0)
3613 (void) GetNextToken(q,&q,extent,token);
3614 status&=QueryColorDatabase(token,&stop_color,&image->exception);
3615 type=LinearGradient;
3616 if (draw_info->gradient.type == RadialGradient)
3617 type=RadialGradient;
3618 (void) GradientImage(image,type,PadSpread,&start_color,&stop_color);
3619 start_color=stop_color;
3620 (void) GetNextToken(q,&q,extent,token);
3623 if (LocaleCompare(
"stroke",keyword) == 0)
3628 (void) GetNextToken(q,&q,extent,token);
3629 if (graphic_context[n]->clip_path != MagickFalse)
3631 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3632 if (mvg_class != (
const char *) NULL)
3634 (void) DrawPatternPath(image,draw_info,mvg_class,
3635 &graphic_context[n]->stroke_pattern);
3638 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
3639 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3641 (void) DrawPatternPath(image,draw_info,token,
3642 &graphic_context[n]->stroke_pattern);
3645 status&=QueryColorDatabase(token,&graphic_context[n]->stroke,
3647 if (graphic_context[n]->stroke_opacity != (MagickRealType) OpaqueOpacity)
3648 graphic_context[n]->stroke.opacity=ClampToQuantum(
3649 graphic_context[n]->stroke_opacity);
3652 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3654 (void) GetNextToken(q,&q,extent,token);
3655 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3656 MagickTrue : MagickFalse;
3659 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3661 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3662 graphic_context[n]->dash_pattern=(
double *)
3663 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3664 if (IsPoint(q) != MagickFalse)
3670 (void) GetNextToken(p,&p,extent,token);
3672 (void) GetNextToken(p,&p,extent,token);
3673 for (x=0; IsPoint(token) != MagickFalse; x++)
3675 (void) GetNextToken(p,&p,extent,token);
3677 (void) GetNextToken(p,&p,extent,token);
3679 graphic_context[n]->dash_pattern=(
double *)
3680 AcquireQuantumMemory((
size_t) (2*x+2),
3681 sizeof(*graphic_context[n]->dash_pattern));
3682 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3684 (void) ThrowMagickException(&image->exception,
3685 GetMagickModule(),ResourceLimitError,
3686 "MemoryAllocationFailed",
"`%s'",image->filename);
3690 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3691 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3692 for (j=0; j < x; j++)
3694 (void) GetNextToken(q,&q,extent,token);
3696 (void) GetNextToken(q,&q,extent,token);
3697 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3699 if (token == next_token)
3700 ThrowPointExpectedException(image,token);
3701 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3704 if ((x & 0x01) != 0)
3705 for ( ; j < (2*x); j++)
3706 graphic_context[n]->dash_pattern[j]=
3707 graphic_context[n]->dash_pattern[j-x];
3708 graphic_context[n]->dash_pattern[j]=0.0;
3711 (void) GetNextToken(q,&q,extent,token);
3714 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3716 (void) GetNextToken(q,&q,extent,token);
3717 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3718 if (token == next_token)
3719 ThrowPointExpectedException(image,token);
3722 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3727 (void) GetNextToken(q,&q,extent,token);
3728 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3734 graphic_context[n]->linecap=(LineCap) linecap;
3737 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3742 (void) GetNextToken(q,&q,extent,token);
3743 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3750 graphic_context[n]->linejoin=(LineJoin) linejoin;
3753 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3755 (void) GetNextToken(q,&q,extent,token);
3756 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3759 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3764 (void) GetNextToken(q,&q,extent,token);
3765 if (graphic_context[n]->clip_path != MagickFalse)
3767 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3768 opacity=MagickMin(MagickMax(factor*
3769 GetDrawValue(token,&next_token),0.0),1.0);
3770 if (token == next_token)
3771 ThrowPointExpectedException(image,token);
3772 if (graphic_context[n]->compliance == SVGCompliance)
3773 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3775 graphic_context[n]->stroke_opacity=((MagickRealType) QuantumRange-
3776 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3777 if (graphic_context[n]->stroke.opacity != TransparentOpacity)
3778 graphic_context[n]->stroke.opacity=(Quantum)
3779 graphic_context[n]->stroke_opacity;
3781 graphic_context[n]->stroke.opacity=ClampToQuantum(
3782 (MagickRealType) QuantumRange*opacity);
3785 if (LocaleCompare(
"stroke-width",keyword) == 0)
3787 (void) GetNextToken(q,&q,extent,token);
3788 if (graphic_context[n]->clip_path != MagickFalse)
3790 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3791 if ((token == next_token) ||
3792 (graphic_context[n]->stroke_width < 0.0))
3793 ThrowPointExpectedException(image,token);
3802 if (LocaleCompare(
"text",keyword) == 0)
3804 primitive_type=TextPrimitive;
3808 if (LocaleCompare(
"text-align",keyword) == 0)
3813 (void) GetNextToken(q,&q,extent,token);
3814 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3820 graphic_context[n]->align=(AlignType) align;
3823 if (LocaleCompare(
"text-anchor",keyword) == 0)
3828 (void) GetNextToken(q,&q,extent,token);
3829 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3835 graphic_context[n]->align=(AlignType) align;
3838 if (LocaleCompare(
"text-antialias",keyword) == 0)
3840 (void) GetNextToken(q,&q,extent,token);
3841 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3842 MagickTrue : MagickFalse;
3845 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3847 (void) GetNextToken(q,&q,extent,token);
3848 status&=QueryColorDatabase(token,&graphic_context[n]->undercolor,
3852 if (LocaleCompare(
"translate",keyword) == 0)
3854 (void) GetNextToken(q,&q,extent,token);
3855 affine.tx=GetDrawValue(token,&next_token);
3856 if (token == next_token)
3857 ThrowPointExpectedException(image,token);
3858 (void) GetNextToken(q,&q,extent,token);
3860 (void) GetNextToken(q,&q,extent,token);
3861 affine.ty=GetDrawValue(token,&next_token);
3862 if (token == next_token)
3863 ThrowPointExpectedException(image,token);
3872 if (LocaleCompare(
"use",keyword) == 0)
3880 (void) GetNextToken(q,&q,extent,token);
3881 use=(
const char *) GetValueFromSplayTree(macros,token);
3882 if (use != (
const char *) NULL)
3884 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3885 (void) CloneString(&clone_info->primitive,use);
3886 status=RenderMVGContent(image,clone_info,depth+1);
3887 clone_info=DestroyDrawInfo(clone_info);
3897 if (LocaleCompare(
"viewbox",keyword) == 0)
3899 (void) GetNextToken(q,&q,extent,token);
3900 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3901 GetDrawValue(token,&next_token)-0.5));
3902 if (token == next_token)
3903 ThrowPointExpectedException(image,token);
3904 (void) GetNextToken(q,&q,extent,token);
3906 (void) GetNextToken(q,&q,extent,token);
3907 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3908 GetDrawValue(token,&next_token)-0.5));
3909 if (token == next_token)
3910 ThrowPointExpectedException(image,token);
3911 (void) GetNextToken(q,&q,extent,token);
3913 (void) GetNextToken(q,&q,extent,token);
3914 graphic_context[n]->viewbox.width=CastDoubleToUnsigned(
3915 GetDrawValue(token,&next_token)+0.5);
3916 if (token == next_token)
3917 ThrowPointExpectedException(image,token);
3918 (void) GetNextToken(q,&q,extent,token);
3920 (void) GetNextToken(q,&q,extent,token);
3921 graphic_context[n]->viewbox.height=CastDoubleToUnsigned(
3922 GetDrawValue(token,&next_token)+0.5);
3923 if (token == next_token)
3924 ThrowPointExpectedException(image,token);
3933 if (LocaleCompare(
"word-spacing",keyword) == 0)
3935 (void) GetNextToken(q,&q,extent,token);
3936 graphic_context[n]->interword_spacing=GetDrawValue(token,
3938 if (token == next_token)
3939 ThrowPointExpectedException(image,token);
3951 if (status == MagickFalse)
3953 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3954 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3955 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3956 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3958 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3959 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3960 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3961 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3962 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3964 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3967 if (primitive_type == UndefinedPrimitive)
3969 if ((draw_info->debug != MagickFalse) && (q > p))
3970 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
3977 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
3978 if (primitive_info[i].text != (
char *) NULL)
3979 primitive_info[i].text=DestroyString(primitive_info[i].text);
3983 primitive_info[0].point.x=0.0;
3984 primitive_info[0].point.y=0.0;
3985 primitive_info[0].coordinates=0;
3986 primitive_info[0].method=FloodfillMethod;
3987 primitive_info[0].closed_subpath=MagickFalse;
3988 for (x=0; *q !=
'\0'; x++)
3993 if (IsPoint(q) == MagickFalse)
3995 (void) GetNextToken(q,&q,extent,token);
3996 point.x=GetDrawValue(token,&next_token);
3997 if (token == next_token)
3998 ThrowPointExpectedException(image,token);
3999 (void) GetNextToken(q,&q,extent,token);
4001 (void) GetNextToken(q,&q,extent,token);
4002 point.y=GetDrawValue(token,&next_token);
4003 if (token == next_token)
4004 ThrowPointExpectedException(image,token);
4005 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4007 (void) GetNextToken(q,&q,extent,token);
4008 primitive_info[i].primitive=primitive_type;
4009 primitive_info[i].point=point;
4010 primitive_info[i].coordinates=0;
4011 primitive_info[i].method=FloodfillMethod;
4012 primitive_info[i].closed_subpath=MagickFalse;
4015 if (i < (ssize_t) number_points)
4017 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4018 primitive_info=(*mvg_info.primitive_info);
4020 if (status == MagickFalse)
4022 if (primitive_info[j].text != (
char *) NULL)
4023 primitive_info[j].text=DestroyString(primitive_info[j].text);
4024 primitive_info[j].primitive=primitive_type;
4025 primitive_info[j].coordinates=(size_t) x;
4026 primitive_info[j].method=FloodfillMethod;
4027 primitive_info[j].closed_subpath=MagickFalse;
4031 bounds.x1=primitive_info[j].point.x;
4032 bounds.y1=primitive_info[j].point.y;
4033 bounds.x2=primitive_info[j].point.x;
4034 bounds.y2=primitive_info[j].point.y;
4035 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4037 point=primitive_info[j+k].point;
4038 if (point.x < bounds.x1)
4040 if (point.y < bounds.y1)
4042 if (point.x > bounds.x2)
4044 if (point.y > bounds.y2)
4050 coordinates=(double) primitive_info[j].coordinates;
4051 switch (primitive_type)
4053 case RectanglePrimitive:
4058 case RoundRectanglePrimitive:
4065 alpha=bounds.x2-bounds.x1;
4066 beta=bounds.y2-bounds.y1;
4067 radius=hypot(alpha,beta);
4069 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4070 BezierQuantum+360.0;
4073 case BezierPrimitive:
4075 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4084 (void) GetNextToken(q,&q,extent,token);
4087 for (s=token; *s !=
'\0'; s=t)
4092 value=GetDrawValue(s,&t);
4101 for (s=token; *s !=
'\0'; s++)
4102 if (strspn(s,
"AaCcQqSsTt") != 0)
4103 coordinates+=(20.0*BezierQuantum)+360.0;
4109 if (status == MagickFalse)
4111 if (((
size_t) (i+coordinates)) >= number_points)
4116 number_points+=coordinates+1;
4117 if (number_points < (
size_t) coordinates)
4119 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4120 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4125 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4126 primitive_info=(*mvg_info.primitive_info);
4128 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4129 primitive_info=(*mvg_info.primitive_info);
4130 if (status == MagickFalse)
4133 switch (primitive_type)
4135 case PointPrimitive:
4138 if (primitive_info[j].coordinates != 1)
4143 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4144 primitive_info=(*mvg_info.primitive_info);
4145 i=(ssize_t) (j+primitive_info[j].coordinates);
4150 if (primitive_info[j].coordinates != 2)
4155 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4156 primitive_info[j+1].point);
4157 primitive_info=(*mvg_info.primitive_info);
4158 i=(ssize_t) (j+primitive_info[j].coordinates);
4161 case RectanglePrimitive:
4163 if (primitive_info[j].coordinates != 2)
4168 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4169 primitive_info[j+1].point);
4170 primitive_info=(*mvg_info.primitive_info);
4171 i=(ssize_t) (j+primitive_info[j].coordinates);
4174 case RoundRectanglePrimitive:
4176 if (primitive_info[j].coordinates != 3)
4181 if ((primitive_info[j+2].point.x < 0.0) ||
4182 (primitive_info[j+2].point.y < 0.0))
4187 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4192 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4197 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4198 primitive_info[j+1].point,primitive_info[j+2].point);
4199 primitive_info=(*mvg_info.primitive_info);
4200 i=(ssize_t) (j+primitive_info[j].coordinates);
4205 if (primitive_info[j].coordinates != 3)
4210 status&=TraceArc(&mvg_info,primitive_info[j].point,
4211 primitive_info[j+1].point,primitive_info[j+2].point);
4212 primitive_info=(*mvg_info.primitive_info);
4213 i=(ssize_t) (j+primitive_info[j].coordinates);
4216 case EllipsePrimitive:
4218 if (primitive_info[j].coordinates != 3)
4223 if ((primitive_info[j+1].point.x < 0.0) ||
4224 (primitive_info[j+1].point.y < 0.0))
4229 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4230 primitive_info[j+1].point,primitive_info[j+2].point);
4231 primitive_info=(*mvg_info.primitive_info);
4232 i=(ssize_t) (j+primitive_info[j].coordinates);
4235 case CirclePrimitive:
4237 if (primitive_info[j].coordinates != 2)
4242 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4243 primitive_info[j+1].point);
4244 primitive_info=(*mvg_info.primitive_info);
4245 i=(ssize_t) (j+primitive_info[j].coordinates);
4248 case PolylinePrimitive:
4250 if (primitive_info[j].coordinates < 1)
4257 case PolygonPrimitive:
4259 if (primitive_info[j].coordinates < 3)
4264 primitive_info[i]=primitive_info[j];
4265 primitive_info[i].coordinates=0;
4266 primitive_info[j].coordinates++;
4267 primitive_info[j].closed_subpath=MagickTrue;
4271 case BezierPrimitive:
4273 if (primitive_info[j].coordinates < 3)
4278 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4279 primitive_info=(*mvg_info.primitive_info);
4280 i=(ssize_t) (j+primitive_info[j].coordinates);
4285 coordinates=(double) TracePath(image,&mvg_info,token);
4286 primitive_info=(*mvg_info.primitive_info);
4287 if (coordinates < 0.0)
4292 i=(ssize_t) (j+coordinates);
4295 case ColorPrimitive:
4296 case MattePrimitive:
4301 if (primitive_info[j].coordinates != 1)
4306 (void) GetNextToken(q,&q,extent,token);
4307 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4313 primitive_info[j].method=(PaintMethod) method;
4319 geometry[MagickPathExtent];
4321 if (primitive_info[j].coordinates != 1)
4327 (void) GetNextToken(q,&q,extent,token);
4328 (void) CloneString(&primitive_info[j].text,token);
4332 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4333 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4334 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4336 mvg_info.point=primitive_info->point;
4337 primitive_info->point.x+=cursor;
4341 mvg_info.point=primitive_info->point;
4344 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
4345 primitive_info->point.x,primitive_info->point.y);
4346 clone_info->render=MagickFalse;
4347 clone_info->text=AcquireString(token);
4348 status&=GetTypeMetrics(image,clone_info,&metrics);
4349 clone_info=DestroyDrawInfo(clone_info);
4350 cursor+=metrics.width;
4351 if (graphic_context[n]->compliance != SVGCompliance)
4355 case ImagePrimitive:
4357 if (primitive_info[j].coordinates != 2)
4362 (void) GetNextToken(q,&q,extent,token);
4363 (void) CloneString(&primitive_info[j].text,token);
4370 primitive_info[i].primitive=UndefinedPrimitive;
4371 if ((draw_info->debug != MagickFalse) && (q > p))
4372 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4376 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4377 &graphic_context[n]->affine));
4378 primitive_info=(*mvg_info.primitive_info);
4381 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4382 graphic_context[n]->stroke_width);
4383 primitive_info=(*mvg_info.primitive_info);
4391 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4393 point=primitive_info[i].point;
4394 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4395 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4396 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4397 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4398 point=primitive_info[i].point;
4399 if (point.x < graphic_context[n]->bounds.x1)
4400 graphic_context[n]->bounds.x1=point.x;
4401 if (point.y < graphic_context[n]->bounds.y1)
4402 graphic_context[n]->bounds.y1=point.y;
4403 if (point.x > graphic_context[n]->bounds.x2)
4404 graphic_context[n]->bounds.x2=point.x;
4405 if (point.y > graphic_context[n]->bounds.y2)
4406 graphic_context[n]->bounds.y2=point.y;
4407 if (primitive_info[i].primitive == ImagePrimitive)
4409 if (i >= (ssize_t) number_points)
4410 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4412 if (graphic_context[n]->render != MagickFalse)
4414 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4415 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4416 (LocaleCompare(graphic_context[n]->clip_mask,
4417 graphic_context[n-1]->clip_mask) != 0))
4422 clip_path=(
const char *) GetValueFromSplayTree(macros,
4423 graphic_context[n]->clip_mask);
4424 if (clip_path != (
const char *) NULL)
4425 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4427 status&=DrawClipPath(image,graphic_context[n],
4428 graphic_context[n]->clip_mask);
4430 status&=DrawPrimitive(image,graphic_context[n],primitive_info);
4432 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4434 if (proceed == MagickFalse)
4439 if (draw_info->debug != MagickFalse)
4440 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4444 macros=DestroySplayTree(macros);
4445 token=DestroyString(token);
4448 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4449 if (primitive_info[i].text != (
char *) NULL)
4450 primitive_info[i].text=DestroyString(primitive_info[i].text);
4451 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4453 primitive=DestroyString(primitive);
4454 for ( ; n >= 0; n--)
4455 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4456 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4457 if (status == MagickFalse)
4458 ThrowBinaryImageException(DrawError,
4459 "NonconformingDrawingPrimitiveDefinition",keyword);
4460 return(status != 0 ? MagickTrue : MagickFalse);
4463 MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info)
4465 return(RenderMVGContent(image,draw_info,0));
4497 MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4501 property[MaxTextExtent];
4517 assert(image != (
Image *) NULL);
4518 assert(image->signature == MagickCoreSignature);
4519 assert(draw_info != (
const DrawInfo *) NULL);
4520 if (IsEventLogging() != MagickFalse)
4521 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4522 assert(name != (
const char *) NULL);
4523 (void) FormatLocaleString(property,MaxTextExtent,
"%s",name);
4524 path=GetImageArtifact(image,property);
4525 if (path == (
const char *) NULL)
4526 return(MagickFalse);
4527 (void) FormatLocaleString(property,MaxTextExtent,
"%s-geometry",name);
4528 geometry=GetImageArtifact(image,property);
4529 if (geometry == (
const char *) NULL)
4530 return(MagickFalse);
4531 if ((*pattern) != (
Image *) NULL)
4532 *pattern=DestroyImage(*pattern);
4533 image_info=AcquireImageInfo();
4534 image_info->size=AcquireString(geometry);
4535 *pattern=AcquireImage(image_info);
4536 image_info=DestroyImageInfo(image_info);
4537 (void) QueryColorDatabase(
"#00000000",&(*pattern)->background_color,
4539 (void) SetImageBackgroundColor(*pattern);
4540 if (draw_info->debug != MagickFalse)
4541 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4542 "begin pattern-path %s %s",name,geometry);
4543 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4544 if (clone_info->fill_pattern != (
Image *) NULL)
4545 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4546 if (clone_info->stroke_pattern != (
Image *) NULL)
4547 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4548 (void) FormatLocaleString(property,MaxTextExtent,
"%s-type",name);
4549 type=GetImageArtifact(image,property);
4550 if (type != (
const char *) NULL)
4551 clone_info->gradient.type=(GradientType) ParseCommandOption(
4552 MagickGradientOptions,MagickFalse,type);
4553 (void) CloneString(&clone_info->primitive,path);
4554 status=RenderMVGContent(*pattern,clone_info,0);
4555 clone_info=DestroyDrawInfo(clone_info);
4556 if (draw_info->debug != MagickFalse)
4557 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4595 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4597 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4598 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4599 return(polygon_info);
4606 *magick_restrict path_info;
4614 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4615 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4616 sizeof(*polygon_info));
4619 (void) ThrowMagickException(exception,GetMagickModule(),
4620 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4623 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4624 path_info=ConvertPrimitiveToPath(draw_info,primitive_info,exception);
4625 if (path_info == (
PathInfo *) NULL)
4626 return(DestroyPolygonTLS(polygon_info));
4627 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4630 (void) ThrowMagickException(exception,GetMagickModule(),
4631 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4632 return(DestroyPolygonTLS(polygon_info));
4634 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4635 return(polygon_info);
4638 static MagickBooleanType AcquirePolygonEdgesTLS(
PolygonInfo **polygon_info,
4644 for (i=1; i < (ssize_t) number_threads; i++)
4652 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4653 sizeof(*polygon_info[i]));
4656 (void) ThrowMagickException(exception,GetMagickModule(),
4657 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4658 return(MagickFalse);
4660 polygon_info[i]->number_edges=0;
4661 edge_info=polygon_info[0]->edges;
4662 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4663 polygon_info[0]->number_edges,
sizeof(*edge_info));
4664 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4666 (void) ThrowMagickException(exception,GetMagickModule(),
4667 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4668 return(MagickFalse);
4670 (void) memcpy(polygon_info[i]->edges,edge_info,
4671 polygon_info[0]->number_edges*
sizeof(*edge_info));
4672 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4673 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4674 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4675 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4677 edge_info=polygon_info[0]->edges+j;
4678 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4679 edge_info->number_points,
sizeof(*edge_info));
4680 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4682 (void) ThrowMagickException(exception,GetMagickModule(),
4683 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4684 return(MagickFalse);
4686 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4687 edge_info->number_points*
sizeof(*edge_info->points));
4693 static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4695 assert(edge < (ssize_t) polygon_info->number_edges);
4696 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4697 polygon_info->edges[edge].points);
4698 polygon_info->number_edges--;
4699 if (edge < (ssize_t) polygon_info->number_edges)
4700 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4701 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4702 return(polygon_info->number_edges);
4705 static double GetOpacityPixel(
PolygonInfo *polygon_info,
const double mid,
4706 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4707 const ssize_t y,
double *stroke_opacity)
4734 *stroke_opacity=0.0;
4735 subpath_opacity=0.0;
4736 p=polygon_info->edges;
4737 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4739 if ((
double) y <= (p->bounds.y1-mid-0.5))
4741 if ((
double) y > (p->bounds.y2+mid+0.5))
4744 (void) DestroyEdge(polygon_info,j--);
4747 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4748 ((double) x > (p->bounds.x2+mid+0.5)))
4750 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4751 for ( ; i < (ssize_t) p->number_points; i++)
4753 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4755 if ((
double) y > (p->points[i].y+mid+0.5))
4757 if (p->scanline != (
double) y)
4759 p->scanline=(double) y;
4760 p->highwater=(size_t) i;
4766 delta.x=(q+1)->x-q->x;
4767 delta.y=(q+1)->y-q->y;
4768 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4771 delta.x=(double) x-q->x;
4772 delta.y=(
double) y-q->y;
4773 distance=delta.x*delta.x+delta.y*delta.y;
4777 alpha=delta.x*delta.x+delta.y*delta.y;
4780 delta.x=(double) x-(q+1)->x;
4781 delta.y=(double) y-(q+1)->y;
4782 distance=delta.x*delta.x+delta.y*delta.y;
4786 alpha=PerceptibleReciprocal(alpha);
4787 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4788 distance=alpha*beta*beta;
4795 if (p->ghostline == MagickFalse)
4798 if ((*stroke_opacity < 1.0) &&
4799 (distance <= ((alpha+0.25)*(alpha+0.25))))
4802 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4803 *stroke_opacity=1.0;
4807 if (fabs(distance-1.0) >= MagickEpsilon)
4808 beta=sqrt((
double) distance);
4810 if (*stroke_opacity < ((alpha-0.25)*(alpha-0.25)))
4811 *stroke_opacity=(alpha-0.25)*(alpha-0.25);
4815 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_opacity >= 1.0))
4817 if (distance <= 0.0)
4819 subpath_opacity=1.0;
4824 if (fabs(beta) < MagickEpsilon)
4827 if (fabs(distance-1.0) >= MagickEpsilon)
4828 beta=sqrt(distance);
4831 if (subpath_opacity < (alpha*alpha))
4832 subpath_opacity=alpha*alpha;
4838 if (fill == MagickFalse)
4840 if (subpath_opacity >= 1.0)
4846 p=polygon_info->edges;
4847 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4849 if ((
double) y <= p->bounds.y1)
4851 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4853 if ((
double) x > p->bounds.x2)
4855 winding_number+=p->direction != 0 ? 1 : -1;
4858 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4859 for ( ; i < (ssize_t) (p->number_points-1); i++)
4860 if ((
double) y <= p->points[i].y)
4863 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4864 winding_number+=p->direction != 0 ? 1 : -1;
4866 if (fill_rule != NonZeroRule)
4868 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4872 if (MagickAbsoluteValue(winding_number) != 0)
4874 return(subpath_opacity);
4877 static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4880 typedef struct _ExtentInfo
4909 **magick_restrict polygon_info;
4924 assert(image != (
Image *) NULL);
4925 assert(image->signature == MagickCoreSignature);
4926 assert(draw_info != (
DrawInfo *) NULL);
4927 assert(draw_info->signature == MagickCoreSignature);
4929 if (IsEventLogging() != MagickFalse)
4930 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4931 if (primitive_info->coordinates <= 1)
4936 polygon_info=AcquirePolygonTLS(draw_info,primitive_info,&image->exception);
4938 return(MagickFalse);
4939 if (draw_info->debug != MagickFalse)
4940 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4941 fill=(primitive_info->method == FillToBorderMethod) ||
4942 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4943 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4944 bounds=polygon_info[0]->edges[0].bounds;
4945 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4946 if (IsStringTrue(artifact) != MagickFalse)
4947 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0]);
4948 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4950 p=polygon_info[0]->edges+i;
4951 if (p->bounds.x1 < bounds.x1)
4952 bounds.x1=p->bounds.x1;
4953 if (p->bounds.y1 < bounds.y1)
4954 bounds.y1=p->bounds.y1;
4955 if (p->bounds.x2 > bounds.x2)
4956 bounds.x2=p->bounds.x2;
4957 if (p->bounds.y2 > bounds.y2)
4958 bounds.y2=p->bounds.y2;
4960 bounds.x1-=(mid+1.0);
4961 bounds.y1-=(mid+1.0);
4962 bounds.x2+=(mid+1.0);
4963 bounds.y2+=(mid+1.0);
4964 if ((bounds.x1 >= (
double) image->columns) ||
4965 (bounds.y1 >= (
double) image->rows) ||
4966 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
4968 polygon_info=DestroyPolygonTLS(polygon_info);
4971 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
4972 (
double) image->columns-1.0 : bounds.x1;
4973 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
4974 (
double) image->rows-1.0 : bounds.y1;
4975 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
4976 (
double) image->columns-1.0 : bounds.x2;
4977 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
4978 (
double) image->rows-1.0 : bounds.y2;
4979 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
4980 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
4981 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
4982 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
4983 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
4984 poly_extent.y1+1,1);
4985 status=AcquirePolygonEdgesTLS(polygon_info,number_threads,&image->exception);
4986 if (status == MagickFalse)
4988 polygon_info=DestroyPolygonTLS(polygon_info);
4992 exception=(&image->exception);
4993 image_view=AcquireAuthenticCacheView(image,exception);
4994 if ((primitive_info->coordinates == 1) ||
4995 (polygon_info[0]->number_edges == 0))
5000 #if defined(MAGICKCORE_OPENMP_SUPPORT)
5001 #pragma omp parallel for schedule(static) shared(status) \
5002 num_threads(number_threads)
5004 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5015 if (status == MagickFalse)
5018 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5025 for ( ; x <= poly_extent.x2; x++)
5027 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5028 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5029 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,q);
5032 sync=SyncCacheViewAuthenticPixels(image_view,exception);
5033 if (sync == MagickFalse)
5036 image_view=DestroyCacheView(image_view);
5037 polygon_info=DestroyPolygonTLS(polygon_info);
5038 if (draw_info->debug != MagickFalse)
5039 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5040 " end draw-polygon");
5046 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5047 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5048 #if defined(MAGICKCORE_OPENMP_SUPPORT)
5049 #pragma omp parallel for schedule(static) shared(status) \
5050 num_threads(number_threads)
5052 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5055 id = GetOpenMPThreadId();
5067 if (status == MagickFalse)
5069 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5070 (poly_extent.x2-poly_extent.x1+1),1,exception);
5076 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5085 fill_opacity=GetOpacityPixel(polygon_info[
id],mid,fill,
5086 draw_info->fill_rule,x,y,&stroke_opacity);
5087 if (draw_info->stroke_antialias == MagickFalse)
5089 fill_opacity=fill_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5090 stroke_opacity=stroke_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5092 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5094 fill_opacity=(double) ((MagickRealType) QuantumRange-fill_opacity*
5095 ((MagickRealType) QuantumRange-(MagickRealType) fill_color.opacity));
5096 MagickCompositeOver(&fill_color,(MagickRealType) fill_opacity,q,
5097 (MagickRealType) q->opacity,q);
5098 (void) GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5100 stroke_opacity=(double) ((MagickRealType) QuantumRange-stroke_opacity*
5101 ((MagickRealType) QuantumRange-(MagickRealType) stroke_color.opacity));
5102 MagickCompositeOver(&stroke_color,(MagickRealType) stroke_opacity,q,
5103 (MagickRealType) q->opacity,q);
5106 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5109 image_view=DestroyCacheView(image_view);
5110 polygon_info=DestroyPolygonTLS(polygon_info);
5111 if (draw_info->debug != MagickFalse)
5112 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5143 static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5169 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5170 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5171 switch (primitive_info->primitive)
5173 case PointPrimitive:
5175 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5176 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5177 methods[primitive_info->method]);
5180 case ColorPrimitive:
5182 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5183 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5184 methods[primitive_info->method]);
5187 case MattePrimitive:
5189 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5190 "MattePrimitive %.20g,%.20g %s",(double) x,(
double) y,
5191 methods[primitive_info->method]);
5196 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5197 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5200 case ImagePrimitive:
5202 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5203 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5210 p=primitive_info[0].point;
5213 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5215 point=primitive_info[i].point;
5216 if (coordinates <= 0)
5218 coordinates=(ssize_t) primitive_info[i].coordinates;
5219 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5220 " begin open (%.20g)",(double) coordinates);
5223 point=primitive_info[i].point;
5224 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5225 (fabs(q.y-point.y) >= MagickEpsilon))
5226 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5227 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5229 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5230 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5233 if (coordinates > 0)
5235 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5236 (fabs(p.y-point.y) >= MagickEpsilon))
5237 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5238 (double) coordinates);
5240 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5241 (
double) coordinates);
5245 MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5264 if (draw_info->debug != MagickFalse)
5266 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5267 " begin draw-primitive");
5268 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5269 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5270 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5271 draw_info->affine.tx,draw_info->affine.ty);
5273 exception=(&image->exception);
5275 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5276 ((IsPixelGray(&draw_info->fill) == MagickFalse) ||
5277 (IsPixelGray(&draw_info->stroke) == MagickFalse)))
5278 status=SetImageColorspace(image,sRGBColorspace);
5279 if (draw_info->compliance == SVGCompliance)
5281 status&=SetImageClipMask(image,draw_info->clipping_mask);
5282 status&=SetImageMask(image,draw_info->composite_mask);
5284 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5285 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5286 image_view=AcquireAuthenticCacheView(image,exception);
5287 switch (primitive_info->primitive)
5289 case ColorPrimitive:
5291 switch (primitive_info->method)
5299 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5302 (void) GetFillColor(draw_info,x,y,q);
5303 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5311 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5312 for (y=0; y < (ssize_t) image->rows; y++)
5317 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5321 for (x=0; x < (ssize_t) image->columns; x++)
5323 if (IsColorSimilar(image,q,&target) == MagickFalse)
5328 (void) GetFillColor(draw_info,x,y,q);
5331 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5332 if (status == MagickFalse)
5337 case FloodfillMethod:
5338 case FillToBorderMethod:
5343 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5344 if (primitive_info->method == FillToBorderMethod)
5346 target.red=(MagickRealType) draw_info->border_color.red;
5347 target.green=(MagickRealType) draw_info->border_color.green;
5348 target.blue=(MagickRealType) draw_info->border_color.blue;
5350 status&=FloodfillPaintImage(image,DefaultChannels,draw_info,&target,x,
5351 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5357 for (y=0; y < (ssize_t) image->rows; y++)
5365 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5369 for (x=0; x < (ssize_t) image->columns; x++)
5371 (void) GetFillColor(draw_info,x,y,q);
5374 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5375 if (status == MagickFalse)
5383 case MattePrimitive:
5385 if (image->matte == MagickFalse)
5386 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel);
5387 switch (primitive_info->method)
5398 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5401 (void) GetFillColor(draw_info,x,y,&pixel);
5402 SetPixelOpacity(q,pixel.opacity);
5403 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5412 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5413 for (y=0; y < (ssize_t) image->rows; y++)
5421 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5425 for (x=0; x < (ssize_t) image->columns; x++)
5427 if (IsColorSimilar(image,q,&target) == MagickFalse)
5432 (void) GetFillColor(draw_info,x,y,&pixel);
5433 SetPixelOpacity(q,pixel.opacity);
5436 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5437 if (status == MagickFalse)
5442 case FloodfillMethod:
5443 case FillToBorderMethod:
5448 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5449 if (primitive_info->method == FillToBorderMethod)
5451 target.red=(MagickRealType) draw_info->border_color.red;
5452 target.green=(MagickRealType) draw_info->border_color.green;
5453 target.blue=(MagickRealType) draw_info->border_color.blue;
5455 status&=FloodfillPaintImage(image,OpacityChannel,draw_info,&target,x,
5456 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5465 for (y=0; y < (ssize_t) image->rows; y++)
5473 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5477 for (x=0; x < (ssize_t) image->columns; x++)
5479 (void) GetFillColor(draw_info,x,y,&pixel);
5480 SetPixelOpacity(q,pixel.opacity);
5483 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5484 if (status == MagickFalse)
5492 case ImagePrimitive:
5498 composite_geometry[MaxTextExtent];
5514 if (primitive_info->text == (
char *) NULL)
5516 clone_info=AcquireImageInfo();
5517 composite_images=(
Image *) NULL;
5518 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5519 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5522 if (*primitive_info->text !=
'\0')
5536 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5538 (void) SetImageInfo(clone_info,1,exception);
5539 magick_info=GetMagickInfo(clone_info->magick,exception);
5540 if ((magick_info != (
const MagickInfo*) NULL) &&
5541 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5543 (void) ThrowMagickException(exception,GetMagickModule(),
5544 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5545 clone_info->filename);
5546 clone_info=DestroyImageInfo(clone_info);
5549 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5551 if (clone_info->size != (
char *) NULL)
5552 clone_info->size=DestroyString(clone_info->size);
5553 if (clone_info->extract != (
char *) NULL)
5554 clone_info->extract=DestroyString(clone_info->extract);
5555 path_status=GetPathAttributes(clone_info->filename,&attributes);
5556 if (path_status != MagickFalse)
5558 if (S_ISCHR(attributes.st_mode) == 0)
5559 composite_images=ReadImage(clone_info,exception);
5561 (
void) ThrowMagickException(exception,GetMagickModule(),
5562 FileOpenError,
"UnableToOpenFile",
"`%s'",
5563 clone_info->filename);
5566 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5567 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5568 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5569 (LocaleCompare(clone_info->magick,
"vid") != 0))
5570 composite_images=ReadImage(clone_info,exception);
5572 (
void) ThrowMagickException(exception,GetMagickModule(),
5573 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5575 clone_info=DestroyImageInfo(clone_info);
5576 if (composite_images == (
Image *) NULL)
5581 composite_image=RemoveFirstImageFromList(&composite_images);
5582 composite_images=DestroyImageList(composite_images);
5583 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5584 NULL,(
void *) NULL);
5585 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5586 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5587 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5588 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5591 geometry[MaxTextExtent];
5596 (void) FormatLocaleString(geometry,MaxTextExtent,
"%gx%g!",
5597 primitive_info[1].point.x,primitive_info[1].point.y);
5598 composite_image->filter=image->filter;
5599 status&=TransformImage(&composite_image,(
char *) NULL,geometry);
5601 if (composite_image->matte == MagickFalse)
5602 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel);
5603 if (draw_info->opacity != OpaqueOpacity)
5604 status&=SetImageOpacity(composite_image,draw_info->opacity);
5605 SetGeometry(image,&geometry);
5606 image->gravity=draw_info->gravity;
5609 (void) FormatLocaleString(composite_geometry,MaxTextExtent,
5610 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5611 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5612 (void) ParseGravityGeometry(image,composite_geometry,&geometry,
5614 affine=draw_info->affine;
5615 affine.tx=(double) geometry.x;
5616 affine.ty=(
double) geometry.y;
5617 composite_image->interpolate=image->interpolate;
5618 if ((draw_info->compose == OverCompositeOp) ||
5619 (draw_info->compose == SrcOverCompositeOp))
5620 status&=DrawAffineImage(image,composite_image,&affine);
5622 status&=CompositeImage(image,draw_info->compose,composite_image,
5623 geometry.x,geometry.y);
5624 composite_image=DestroyImage(composite_image);
5627 case PointPrimitive:
5635 if ((y < 0) || (y >= (ssize_t) image->rows))
5637 if ((x < 0) || (x >= (ssize_t) image->columns))
5639 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5642 (void) GetFillColor(draw_info,x,y,&fill_color);
5643 MagickCompositeOver(&fill_color,(MagickRealType) fill_color.opacity,q,
5644 (MagickRealType) q->opacity,q);
5645 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5651 geometry[MaxTextExtent];
5656 if (primitive_info->text == (
char *) NULL)
5658 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5659 (void) CloneString(&clone_info->text,primitive_info->text);
5660 (void) FormatLocaleString(geometry,MaxTextExtent,
"%+f%+f",
5661 primitive_info->point.x,primitive_info->point.y);
5662 (void) CloneString(&clone_info->geometry,geometry);
5663 status&=AnnotateImage(image,clone_info);
5664 clone_info=DestroyDrawInfo(clone_info);
5676 if (IsEventLogging() != MagickFalse)
5677 LogPrimitiveInfo(primitive_info);
5678 scale=ExpandAffine(&draw_info->affine);
5679 if ((draw_info->dash_pattern != (
double *) NULL) &&
5680 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5681 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5682 (draw_info->stroke.opacity != (Quantum) TransparentOpacity))
5687 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5688 clone_info->stroke_width=0.0;
5689 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5690 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5691 clone_info=DestroyDrawInfo(clone_info);
5692 if (status != MagickFalse)
5693 status&=DrawDashPolygon(draw_info,primitive_info,image);
5696 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5698 ((draw_info->stroke.opacity != (Quantum) TransparentOpacity) ||
5699 (draw_info->stroke_pattern != (
Image *) NULL)))
5711 closed_path=primitive_info[0].closed_subpath;
5712 i=(ssize_t) primitive_info[0].coordinates;
5713 x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5714 y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5715 if ((x < MagickEpsilon) && (y < MagickEpsilon))
5716 closed_path=MagickTrue;
5717 if ((((draw_info->linecap == RoundCap) ||
5718 (closed_path != MagickFalse)) &&
5719 (draw_info->linejoin == RoundJoin)) ||
5720 (primitive_info[i].primitive != UndefinedPrimitive))
5722 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5725 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5726 clone_info->stroke_width=0.0;
5727 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5728 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5729 clone_info=DestroyDrawInfo(clone_info);
5730 if (status != MagickFalse)
5731 status&=DrawStrokePolygon(image,draw_info,primitive_info);
5734 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5738 image_view=DestroyCacheView(image_view);
5739 if (draw_info->compliance == SVGCompliance)
5741 status&=SetImageClipMask(image,(
Image *) NULL);
5742 status&=SetImageMask(image,(
Image *) NULL);
5744 if (draw_info->debug != MagickFalse)
5745 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5746 return(status != 0 ? MagickTrue : MagickFalse);
5779 static MagickBooleanType DrawRoundLinecap(
Image *image,
5788 for (i=0; i < 4; i++)
5789 linecap[i]=(*primitive_info);
5790 linecap[0].coordinates=4;
5791 linecap[1].point.x+=2.0*MagickEpsilon;
5792 linecap[2].point.x+=2.0*MagickEpsilon;
5793 linecap[2].point.y+=2.0*MagickEpsilon;
5794 linecap[3].point.y+=2.0*MagickEpsilon;
5795 linecap[4].primitive=UndefinedPrimitive;
5796 return(DrawPolygonPrimitive(image,draw_info,linecap));
5799 static MagickBooleanType DrawStrokePolygon(
Image *image,
5821 if (draw_info->debug != MagickFalse)
5822 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5823 " begin draw-stroke-polygon");
5824 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5825 clone_info->fill=draw_info->stroke;
5826 if (clone_info->fill_pattern != (
Image *) NULL)
5827 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5828 if (clone_info->stroke_pattern != (
Image *) NULL)
5829 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5830 MagickTrue,&clone_info->stroke_pattern->exception);
5831 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5832 clone_info->stroke_width=0.0;
5833 clone_info->fill_rule=NonZeroRule;
5835 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=p->coordinates)
5837 if (p->coordinates == 1)
5839 stroke_polygon=TraceStrokePolygon(draw_info,p,&image->exception);
5845 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon);
5846 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5849 q=p+p->coordinates-1;
5850 closed_path=p->closed_subpath;
5851 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5853 status&=DrawRoundLinecap(image,draw_info,p);
5854 status&=DrawRoundLinecap(image,draw_info,q);
5857 clone_info=DestroyDrawInfo(clone_info);
5858 if (draw_info->debug != MagickFalse)
5859 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5860 " end draw-stroke-polygon");
5861 return(status != 0 ? MagickTrue : MagickFalse);
5887 MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5890 if (IsEventLogging() != MagickFalse)
5891 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5892 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5893 affine_matrix->sx=1.0;
5894 affine_matrix->sy=1.0;
5935 assert(draw_info != (
DrawInfo *) NULL);
5936 if (IsEventLogging() != MagickFalse)
5937 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5938 (void) memset(draw_info,0,
sizeof(*draw_info));
5939 draw_info->image_info=CloneImageInfo(image_info);
5940 GetAffineMatrix(&draw_info->affine);
5941 exception=AcquireExceptionInfo();
5942 (void) QueryColorDatabase(
"#000F",&draw_info->fill,exception);
5943 (void) QueryColorDatabase(
"#FFF0",&draw_info->stroke,exception);
5944 draw_info->stroke_antialias=draw_info->image_info->antialias;
5945 draw_info->stroke_width=1.0;
5946 draw_info->fill_rule=EvenOddRule;
5947 draw_info->opacity=OpaqueOpacity;
5948 draw_info->fill_opacity=OpaqueOpacity;
5949 draw_info->stroke_opacity=OpaqueOpacity;
5950 draw_info->linecap=ButtCap;
5951 draw_info->linejoin=MiterJoin;
5952 draw_info->miterlimit=10;
5953 draw_info->decorate=NoDecoration;
5954 if (draw_info->image_info->font != (
char *) NULL)
5955 draw_info->font=AcquireString(draw_info->image_info->font);
5956 if (draw_info->image_info->density != (
char *) NULL)
5957 draw_info->density=AcquireString(draw_info->image_info->density);
5958 draw_info->text_antialias=draw_info->image_info->antialias;
5959 draw_info->pointsize=12.0;
5960 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
5961 draw_info->pointsize=draw_info->image_info->pointsize;
5962 draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
5963 draw_info->border_color=draw_info->image_info->border_color;
5964 draw_info->compose=OverCompositeOp;
5965 if (draw_info->image_info->server_name != (
char *) NULL)
5966 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
5967 draw_info->render=MagickTrue;
5968 draw_info->clip_path=MagickFalse;
5969 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
5970 MagickTrue : MagickFalse;
5971 option=GetImageOption(draw_info->image_info,
"direction");
5972 if (option != (
const char *) NULL)
5973 draw_info->direction=(DirectionType) ParseCommandOption(
5974 MagickDirectionOptions,MagickFalse,option);
5976 draw_info->direction=UndefinedDirection;
5977 option=GetImageOption(draw_info->image_info,
"encoding");
5978 if (option != (
const char *) NULL)
5979 (void) CloneString(&draw_info->encoding,option);
5980 option=GetImageOption(draw_info->image_info,
"family");
5981 if (option != (
const char *) NULL)
5982 (void) CloneString(&draw_info->family,option);
5983 option=GetImageOption(draw_info->image_info,
"fill");
5984 if (option != (
const char *) NULL)
5985 (void) QueryColorDatabase(option,&draw_info->fill,exception);
5986 option=GetImageOption(draw_info->image_info,
"gravity");
5987 if (option != (
const char *) NULL)
5988 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
5989 MagickFalse,option);
5990 option=GetImageOption(draw_info->image_info,
"interline-spacing");
5991 if (option != (
const char *) NULL)
5992 draw_info->interline_spacing=GetDrawValue(option,&next_token);
5993 option=GetImageOption(draw_info->image_info,
"interword-spacing");
5994 if (option != (
const char *) NULL)
5995 draw_info->interword_spacing=GetDrawValue(option,&next_token);
5996 option=GetImageOption(draw_info->image_info,
"kerning");
5997 if (option != (
const char *) NULL)
5998 draw_info->kerning=GetDrawValue(option,&next_token);
5999 option=GetImageOption(draw_info->image_info,
"stroke");
6000 if (option != (
const char *) NULL)
6001 (void) QueryColorDatabase(option,&draw_info->stroke,exception);
6002 option=GetImageOption(draw_info->image_info,
"strokewidth");
6003 if (option != (
const char *) NULL)
6004 draw_info->stroke_width=GetDrawValue(option,&next_token);
6005 option=GetImageOption(draw_info->image_info,
"style");
6006 if (option != (
const char *) NULL)
6007 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6008 MagickFalse,option);
6009 option=GetImageOption(draw_info->image_info,
"undercolor");
6010 if (option != (
const char *) NULL)
6011 (void) QueryColorDatabase(option,&draw_info->undercolor,exception);
6012 option=GetImageOption(draw_info->image_info,
"weight");
6013 if (option != (
const char *) NULL)
6018 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6020 weight=(ssize_t) StringToUnsignedLong(option);
6021 draw_info->weight=(size_t) weight;
6023 exception=DestroyExceptionInfo(exception);
6024 draw_info->signature=MagickCoreSignature;
6052 static inline double Permutate(
const ssize_t n,
const ssize_t k)
6061 for (i=k+1; i <= n; i++)
6063 for (i=1; i <= (n-k); i++)
6091 center.x=0.5*(end.x+start.x);
6092 center.y=0.5*(end.y+start.y);
6093 radius.x=fabs(center.x-start.x);
6094 radius.y=fabs(center.y-start.y);
6095 return(TraceEllipse(mvg_info,center,radius,degrees));
6098 static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6100 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6137 offset=mvg_info->offset;
6138 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6139 primitive_info->coordinates=0;
6140 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6141 (fabs(start.y-end.y) < MagickEpsilon))
6142 return(TracePoint(primitive_info,end));
6143 radii.x=fabs(arc.x);
6144 radii.y=fabs(arc.y);
6145 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6146 return(TraceLine(primitive_info,start,end));
6147 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6148 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6149 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6150 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6151 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6153 if (delta < MagickEpsilon)
6154 return(TraceLine(primitive_info,start,end));
6157 radii.x*=sqrt((
double) delta);
6158 radii.y*=sqrt((
double) delta);
6160 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6161 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6162 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6163 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6164 alpha=points[1].x-points[0].x;
6165 beta=points[1].y-points[0].y;
6166 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6167 return(TraceLine(primitive_info,start,end));
6168 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6173 factor=sqrt((
double) factor);
6174 if (sweep == large_arc)
6177 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6178 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6179 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6180 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6181 if ((theta < 0.0) && (sweep != MagickFalse))
6182 theta+=2.0*MagickPI;
6184 if ((theta > 0.0) && (sweep == MagickFalse))
6185 theta-=2.0*MagickPI;
6186 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6187 MagickPI+MagickEpsilon)))));
6190 for (i=0; i < (ssize_t) arc_segments; i++)
6192 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6193 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6194 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6195 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6196 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6197 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6198 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6199 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6200 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6201 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6202 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6203 theta/arc_segments),DegreesToRadians(360.0))));
6204 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6205 theta/arc_segments),DegreesToRadians(360.0))));
6206 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6207 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6208 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6209 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6210 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6211 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6212 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6214 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6216 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6218 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6220 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6222 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6224 if (i == (ssize_t) (arc_segments-1))
6226 status&=TraceBezier(mvg_info,4);
6229 p=(*mvg_info->primitive_info)+mvg_info->offset;
6230 mvg_info->offset+=p->coordinates;
6234 return(MagickFalse);
6235 mvg_info->offset=offset;
6236 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6237 primitive_info->coordinates=(
size_t) (p-primitive_info);
6238 primitive_info->closed_subpath=MagickFalse;
6239 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6241 p->primitive=primitive_info->primitive;
6247 static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6248 const size_t number_coordinates)
6277 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6278 quantum=number_coordinates;
6279 for (i=0; i < (ssize_t) number_coordinates; i++)
6281 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6283 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6284 if (alpha > (
double) MAGICK_SSIZE_MAX)
6286 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6287 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6288 return(MagickFalse);
6290 if (alpha > (
double) quantum)
6291 quantum=(
size_t) alpha;
6292 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6293 if (alpha > (
double) MAGICK_SSIZE_MAX)
6295 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6296 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6297 return(MagickFalse);
6299 if (alpha > (
double) quantum)
6300 quantum=(
size_t) alpha;
6303 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6304 sizeof(*coefficients));
6305 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6306 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6308 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6311 points=(
PointInfo *) RelinquishMagickMemory(points);
6312 if (coefficients != (
double *) NULL)
6313 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6314 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6315 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6316 return(MagickFalse);
6318 control_points=quantum*number_coordinates;
6319 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6321 points=(
PointInfo *) RelinquishMagickMemory(points);
6322 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6323 return(MagickFalse);
6325 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6329 end=primitive_info[number_coordinates-1].point;
6330 for (i=0; i < (ssize_t) number_coordinates; i++)
6331 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6333 for (i=0; i < (ssize_t) control_points; i++)
6338 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6339 for (j=0; j < (ssize_t) number_coordinates; j++)
6341 point.x+=alpha*coefficients[j]*p->point.x;
6342 point.y+=alpha*coefficients[j]*p->point.y;
6343 alpha*=weight/(1.0-weight);
6347 weight+=1.0/control_points;
6353 for (i=0; i < (ssize_t) control_points; i++)
6355 if (TracePoint(p,points[i]) == MagickFalse)
6357 points=(
PointInfo *) RelinquishMagickMemory(points);
6358 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6359 return(MagickFalse);
6363 if (TracePoint(p,end) == MagickFalse)
6365 points=(
PointInfo *) RelinquishMagickMemory(points);
6366 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6367 return(MagickFalse);
6370 primitive_info->coordinates=(size_t) (p-primitive_info);
6371 primitive_info->closed_subpath=MagickFalse;
6372 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6374 p->primitive=primitive_info->primitive;
6377 points=(
PointInfo *) RelinquishMagickMemory(points);
6378 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6382 static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6394 alpha=end.x-start.x;
6396 radius=hypot((
double) alpha,(
double) beta);
6397 offset.x=(double) radius;
6398 offset.y=(double) radius;
6401 return(TraceEllipse(mvg_info,start,offset,degrees));
6404 static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6430 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6431 primitive_info->coordinates=0;
6432 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6434 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6436 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6437 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6438 angle.x=DegreesToRadians(arc.x);
6442 angle.y=DegreesToRadians(y);
6443 coordinates=ceil((angle.y-angle.x)/step+1.0);
6444 if (CheckPrimitiveExtent(mvg_info,coordinates+1) == MagickFalse)
6445 return(MagickFalse);
6447 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6448 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6450 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6451 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6452 if (i++ >= (ssize_t) coordinates)
6454 if (TracePoint(p,point) == MagickFalse)
6455 return(MagickFalse);
6458 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6459 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6460 if (TracePoint(p,point) == MagickFalse)
6461 return(MagickFalse);
6463 primitive_info->coordinates=(size_t) (p-primitive_info);
6464 primitive_info->closed_subpath=MagickFalse;
6465 x=fabs(primitive_info[0].point.x-
6466 primitive_info[primitive_info->coordinates-1].point.x);
6467 y=fabs(primitive_info[0].point.y-
6468 primitive_info[primitive_info->coordinates-1].point.y);
6469 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6470 primitive_info->closed_subpath=MagickTrue;
6471 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6473 p->primitive=primitive_info->primitive;
6479 static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6482 if (TracePoint(primitive_info,start) == MagickFalse)
6483 return(MagickFalse);
6484 if (TracePoint(primitive_info+1,end) == MagickFalse)
6485 return(MagickFalse);
6486 (primitive_info+1)->primitive=primitive_info->primitive;
6487 primitive_info->coordinates=2;
6488 primitive_info->closed_subpath=MagickFalse;
6492 static ssize_t TracePath(
Image *image,
MVGInfo *mvg_info,
const char *path)
6496 token[MaxTextExtent] =
"";
6514 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6537 subpath_offset=mvg_info->offset;
6538 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6541 number_coordinates=0;
6544 primitive_type=primitive_info->primitive;
6546 for (p=path; *p !=
'\0'; )
6548 if (status == MagickFalse)
6550 while (isspace((
int) ((
unsigned char) *p)) != 0)
6554 last_attribute=attribute;
6555 attribute=(int) (*p++);
6565 large_arc = MagickFalse,
6566 sweep = MagickFalse;
6576 (void) GetNextToken(p,&p,MaxTextExtent,token);
6578 (void) GetNextToken(p,&p,MaxTextExtent,token);
6579 arc.x=GetDrawValue(token,&next_token);
6580 if (token == next_token)
6581 ThrowPointExpectedException(image,token);
6582 (void) GetNextToken(p,&p,MaxTextExtent,token);
6584 (void) GetNextToken(p,&p,MaxTextExtent,token);
6585 arc.y=GetDrawValue(token,&next_token);
6586 if (token == next_token)
6587 ThrowPointExpectedException(image,token);
6588 (void) GetNextToken(p,&p,MaxTextExtent,token);
6590 (void) GetNextToken(p,&p,MaxTextExtent,token);
6591 angle=GetDrawValue(token,&next_token);
6592 if (token == next_token)
6593 ThrowPointExpectedException(image,token);
6594 (void) GetNextToken(p,&p,MaxTextExtent,token);
6596 (void) GetNextToken(p,&p,MaxTextExtent,token);
6597 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6598 (void) GetNextToken(p,&p,MaxTextExtent,token);
6600 (void) GetNextToken(p,&p,MaxTextExtent,token);
6601 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6603 (void) GetNextToken(p,&p,MaxTextExtent,token);
6604 (void) GetNextToken(p,&p,MaxTextExtent,token);
6606 (void) GetNextToken(p,&p,MaxTextExtent,token);
6607 x=GetDrawValue(token,&next_token);
6608 if (token == next_token)
6609 ThrowPointExpectedException(image,token);
6610 (void) GetNextToken(p,&p,MaxTextExtent,token);
6612 (void) GetNextToken(p,&p,MaxTextExtent,token);
6613 y=GetDrawValue(token,&next_token);
6614 if (token == next_token)
6615 ThrowPointExpectedException(image,token);
6616 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6617 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6618 status&=TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep);
6619 q=(*mvg_info->primitive_info)+mvg_info->offset;
6620 mvg_info->offset+=q->coordinates;
6623 while (isspace((
int) ((
unsigned char) *p)) != 0)
6627 }
while (IsPoint(p) != MagickFalse);
6639 for (i=1; i < 4; i++)
6641 (void) GetNextToken(p,&p,MaxTextExtent,token);
6643 (void) GetNextToken(p,&p,MaxTextExtent,token);
6644 x=GetDrawValue(token,&next_token);
6645 if (token == next_token)
6646 ThrowPointExpectedException(image,token);
6647 (void) GetNextToken(p,&p,MaxTextExtent,token);
6649 (void) GetNextToken(p,&p,MaxTextExtent,token);
6650 y=GetDrawValue(token,&next_token);
6651 if (token == next_token)
6652 ThrowPointExpectedException(image,token);
6653 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6654 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6657 for (i=0; i < 4; i++)
6658 (q+i)->point=points[i];
6659 if (TraceBezier(mvg_info,4) == MagickFalse)
6661 q=(*mvg_info->primitive_info)+mvg_info->offset;
6662 mvg_info->offset+=q->coordinates;
6665 while (isspace((
int) ((
unsigned char) *p)) != 0)
6669 }
while (IsPoint(p) != MagickFalse);
6677 (void) GetNextToken(p,&p,MaxTextExtent,token);
6679 (void) GetNextToken(p,&p,MaxTextExtent,token);
6680 x=GetDrawValue(token,&next_token);
6681 if (token == next_token)
6682 ThrowPointExpectedException(image,token);
6683 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6684 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6686 q=(*mvg_info->primitive_info)+mvg_info->offset;
6687 if (TracePoint(q,point) == MagickFalse)
6689 mvg_info->offset+=q->coordinates;
6691 while (isspace((
int) ((
unsigned char) *p)) != 0)
6695 }
while (IsPoint(p) != MagickFalse);
6706 (void) GetNextToken(p,&p,MaxTextExtent,token);
6708 (void) GetNextToken(p,&p,MaxTextExtent,token);
6709 x=GetDrawValue(token,&next_token);
6710 if (token == next_token)
6711 ThrowPointExpectedException(image,token);
6712 (void) GetNextToken(p,&p,MaxTextExtent,token);
6714 (void) GetNextToken(p,&p,MaxTextExtent,token);
6715 y=GetDrawValue(token,&next_token);
6716 if (token == next_token)
6717 ThrowPointExpectedException(image,token);
6718 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6719 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6720 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6722 q=(*mvg_info->primitive_info)+mvg_info->offset;
6723 if (TracePoint(q,point) == MagickFalse)
6725 mvg_info->offset+=q->coordinates;
6727 while (isspace((
int) ((
unsigned char) *p)) != 0)
6731 }
while (IsPoint(p) != MagickFalse);
6740 if (mvg_info->offset != subpath_offset)
6742 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6743 primitive_info->coordinates=(size_t) (q-primitive_info);
6744 number_coordinates+=primitive_info->coordinates;
6746 subpath_offset=mvg_info->offset;
6751 (void) GetNextToken(p,&p,MaxTextExtent,token);
6753 (void) GetNextToken(p,&p,MaxTextExtent,token);
6754 x=GetDrawValue(token,&next_token);
6755 if (token == next_token)
6756 ThrowPointExpectedException(image,token);
6757 (void) GetNextToken(p,&p,MaxTextExtent,token);
6759 (void) GetNextToken(p,&p,MaxTextExtent,token);
6760 y=GetDrawValue(token,&next_token);
6761 if (token == next_token)
6762 ThrowPointExpectedException(image,token);
6763 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6764 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6768 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6770 q=(*mvg_info->primitive_info)+mvg_info->offset;
6771 if (TracePoint(q,point) == MagickFalse)
6773 mvg_info->offset+=q->coordinates;
6775 while (isspace((
int) ((
unsigned char) *p)) != 0)
6779 }
while (IsPoint(p) != MagickFalse);
6791 for (i=1; i < 3; i++)
6793 (void) GetNextToken(p,&p,MaxTextExtent,token);
6795 (void) GetNextToken(p,&p,MaxTextExtent,token);
6796 x=GetDrawValue(token,&next_token);
6797 if (token == next_token)
6798 ThrowPointExpectedException(image,token);
6799 (void) GetNextToken(p,&p,MaxTextExtent,token);
6801 (void) GetNextToken(p,&p,MaxTextExtent,token);
6802 y=GetDrawValue(token,&next_token);
6803 if (token == next_token)
6804 ThrowPointExpectedException(image,token);
6807 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6808 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6811 for (i=0; i < 3; i++)
6812 (q+i)->point=points[i];
6813 if (TraceBezier(mvg_info,3) == MagickFalse)
6815 q=(*mvg_info->primitive_info)+mvg_info->offset;
6816 mvg_info->offset+=q->coordinates;
6819 while (isspace((
int) ((
unsigned char) *p)) != 0)
6823 }
while (IsPoint(p) != MagickFalse);
6834 points[0]=points[3];
6835 points[1].x=2.0*points[3].x-points[2].x;
6836 points[1].y=2.0*points[3].y-points[2].y;
6837 for (i=2; i < 4; i++)
6839 (void) GetNextToken(p,&p,MaxTextExtent,token);
6841 (void) GetNextToken(p,&p,MaxTextExtent,token);
6842 x=GetDrawValue(token,&next_token);
6843 if (token == next_token)
6844 ThrowPointExpectedException(image,token);
6845 (void) GetNextToken(p,&p,MaxTextExtent,token);
6847 (void) GetNextToken(p,&p,MaxTextExtent,token);
6848 y=GetDrawValue(token,&next_token);
6849 if (token == next_token)
6850 ThrowPointExpectedException(image,token);
6853 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6854 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6857 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6862 for (i=0; i < 4; i++)
6863 (q+i)->point=points[i];
6864 if (TraceBezier(mvg_info,4) == MagickFalse)
6866 q=(*mvg_info->primitive_info)+mvg_info->offset;
6867 mvg_info->offset+=q->coordinates;
6870 last_attribute=attribute;
6871 while (isspace((
int) ((
unsigned char) *p)) != 0)
6875 }
while (IsPoint(p) != MagickFalse);
6886 points[0]=points[2];
6887 points[1].x=2.0*points[2].x-points[1].x;
6888 points[1].y=2.0*points[2].y-points[1].y;
6889 for (i=2; i < 3; i++)
6891 (void) GetNextToken(p,&p,MaxTextExtent,token);
6893 (void) GetNextToken(p,&p,MaxTextExtent,token);
6894 x=GetDrawValue(token,&next_token);
6895 if (token == next_token)
6896 ThrowPointExpectedException(image,token);
6897 (void) GetNextToken(p,&p,MaxTextExtent,token);
6899 (void) GetNextToken(p,&p,MaxTextExtent,token);
6900 y=GetDrawValue(token,&next_token);
6901 if (token == next_token)
6902 ThrowPointExpectedException(image,token);
6903 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6904 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6907 if (status == MagickFalse)
6909 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6914 for (i=0; i < 3; i++)
6915 (q+i)->point=points[i];
6916 if (TraceBezier(mvg_info,3) == MagickFalse)
6918 q=(*mvg_info->primitive_info)+mvg_info->offset;
6919 mvg_info->offset+=q->coordinates;
6922 last_attribute=attribute;
6923 while (isspace((
int) ((
unsigned char) *p)) != 0)
6927 }
while (IsPoint(p) != MagickFalse);
6938 (void) GetNextToken(p,&p,MaxTextExtent,token);
6940 (void) GetNextToken(p,&p,MaxTextExtent,token);
6941 y=GetDrawValue(token,&next_token);
6942 if (token == next_token)
6943 ThrowPointExpectedException(image,token);
6944 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
6945 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6947 q=(*mvg_info->primitive_info)+mvg_info->offset;
6948 if (TracePoint(q,point) == MagickFalse)
6950 mvg_info->offset+=q->coordinates;
6952 while (isspace((
int) ((
unsigned char) *p)) != 0)
6956 }
while (IsPoint(p) != MagickFalse);
6966 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6968 q=(*mvg_info->primitive_info)+mvg_info->offset;
6969 if (TracePoint(q,point) == MagickFalse)
6971 mvg_info->offset+=q->coordinates;
6973 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6974 primitive_info->coordinates=(size_t) (q-primitive_info);
6975 primitive_info->closed_subpath=MagickTrue;
6976 number_coordinates+=primitive_info->coordinates;
6978 subpath_offset=mvg_info->offset;
6984 ThrowPointExpectedException(image,token);
6989 if (status == MagickFalse)
6991 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6992 primitive_info->coordinates=(size_t) (q-primitive_info);
6993 number_coordinates+=primitive_info->coordinates;
6994 for (i=0; i < (ssize_t) number_coordinates; i++)
6997 q->primitive=primitive_type;
6999 q->method=FillToBorderMethod;
7002 return((ssize_t) number_coordinates);
7005 static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7018 if (TracePoint(p,start) == MagickFalse)
7019 return(MagickFalse);
7023 if (TracePoint(p,point) == MagickFalse)
7024 return(MagickFalse);
7026 if (TracePoint(p,end) == MagickFalse)
7027 return(MagickFalse);
7031 if (TracePoint(p,point) == MagickFalse)
7032 return(MagickFalse);
7034 if (TracePoint(p,start) == MagickFalse)
7035 return(MagickFalse);
7037 primitive_info->coordinates=(size_t) (p-primitive_info);
7038 primitive_info->closed_subpath=MagickTrue;
7039 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7041 p->primitive=primitive_info->primitive;
7047 static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7067 offset=mvg_info->offset;
7068 segment.x=fabs(end.x-start.x);
7069 segment.y=fabs(end.y-start.y);
7070 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7072 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7075 if (arc.x > (0.5*segment.x))
7076 arc.x=0.5*segment.x;
7077 if (arc.y > (0.5*segment.y))
7078 arc.y=0.5*segment.y;
7079 point.x=start.x+segment.x-arc.x;
7080 point.y=start.y+arc.y;
7083 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7084 return(MagickFalse);
7085 p=(*mvg_info->primitive_info)+mvg_info->offset;
7086 mvg_info->offset+=p->coordinates;
7087 point.x=start.x+segment.x-arc.x;
7088 point.y=start.y+segment.y-arc.y;
7091 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7092 return(MagickFalse);
7093 p=(*mvg_info->primitive_info)+mvg_info->offset;
7094 mvg_info->offset+=p->coordinates;
7095 point.x=start.x+arc.x;
7096 point.y=start.y+segment.y-arc.y;
7099 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7100 return(MagickFalse);
7101 p=(*mvg_info->primitive_info)+mvg_info->offset;
7102 mvg_info->offset+=p->coordinates;
7103 point.x=start.x+arc.x;
7104 point.y=start.y+arc.y;
7107 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7108 return(MagickFalse);
7109 p=(*mvg_info->primitive_info)+mvg_info->offset;
7110 mvg_info->offset+=p->coordinates;
7111 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7112 return(MagickFalse);
7113 p=(*mvg_info->primitive_info)+mvg_info->offset;
7114 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7115 return(MagickFalse);
7117 mvg_info->offset=offset;
7118 primitive_info=(*mvg_info->primitive_info)+offset;
7119 primitive_info->coordinates=(size_t) (p-primitive_info);
7120 primitive_info->closed_subpath=MagickTrue;
7121 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7123 p->primitive=primitive_info->primitive;
7129 static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7130 const size_t number_vertices,
const double offset)
7147 for (i=1; i < (ssize_t) number_vertices; i++)
7149 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7150 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7151 if ((fabs((
double) dx) >= MagickEpsilon) ||
7152 (fabs((
double) dy) >= MagickEpsilon))
7155 if (i == (ssize_t) number_vertices)
7156 i=(ssize_t) number_vertices-1L;
7157 distance=hypot((
double) dx,(
double) dy);
7158 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7159 dx*(distance+offset)/distance);
7160 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7161 dy*(distance+offset)/distance);
7162 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7164 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7165 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7166 if ((fabs((
double) dx) >= MagickEpsilon) ||
7167 (fabs((
double) dy) >= MagickEpsilon))
7170 distance=hypot((
double) dx,(
double) dy);
7171 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7172 dx*(distance+offset)/distance);
7173 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7174 dy*(distance+offset)/distance);
7181 #define MaxStrokePad (6*BezierQuantum+360)
7182 #define CheckPathExtent(pad_p,pad_q) \
7184 if ((pad_p) > MaxBezierCoordinates) \
7185 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7187 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \
7189 if (~extent_p < (pad_p)) \
7190 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7193 extent_p+=(pad_p); \
7194 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7195 MaxStrokePad,sizeof(*stroke_p)); \
7198 if ((pad_q) > MaxBezierCoordinates) \
7199 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7201 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \
7203 if (~extent_q < (pad_q)) \
7204 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7207 extent_q+=(pad_q); \
7208 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7209 MaxStrokePad,sizeof(*stroke_q)); \
7212 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7214 if (stroke_p != (PointInfo *) NULL) \
7215 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7216 if (stroke_q != (PointInfo *) NULL) \
7217 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7218 polygon_primitive=(PrimitiveInfo *) \
7219 RelinquishMagickMemory(polygon_primitive); \
7220 (void) ThrowMagickException(exception,GetMagickModule(), \
7221 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7222 return((PrimitiveInfo *) NULL); \
7226 typedef struct _StrokeSegment
7272 inverse_slope = {0.0, 0.0},
7279 number_vertices=primitive_info->coordinates;
7280 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7281 number_vertices+2UL,
sizeof(*polygon_primitive));
7284 (void) ThrowMagickException(exception,GetMagickModule(),
7285 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7288 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7289 sizeof(*polygon_primitive));
7290 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7291 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7292 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7293 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7294 if (((draw_info->linejoin == RoundJoin) ||
7295 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7297 polygon_primitive[number_vertices]=primitive_info[1];
7300 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7306 for (n=1; n < (ssize_t) number_vertices; n++)
7308 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7309 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7310 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7313 if (n == (ssize_t) number_vertices)
7315 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7321 sizeof(*stroke_polygon));
7322 stroke_polygon[0]=polygon_primitive[0];
7323 stroke_polygon[0].coordinates=0;
7326 return(stroke_polygon);
7328 n=(ssize_t) number_vertices-1L;
7330 extent_p=2*number_vertices;
7331 extent_q=2*number_vertices;
7332 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7334 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7339 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7341 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7343 RelinquishMagickMemory(polygon_primitive);
7344 (void) ThrowMagickException(exception,GetMagickModule(),
7345 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7349 inverse_slope.p=0.0;
7350 if (fabs(dx.p) < MagickEpsilon)
7353 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7355 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7358 if (fabs(dy.p) < MagickEpsilon)
7361 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7363 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7368 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7370 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7371 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7372 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7373 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7374 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7375 offset.y=(double) (offset.x*inverse_slope.p);
7376 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7378 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7379 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7380 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7381 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7382 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7383 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7384 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7385 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7389 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7390 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7391 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7392 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7393 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7394 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7395 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7396 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7403 stroke_q[p++]=box_q[0];
7404 stroke_p[q++]=box_p[0];
7405 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7410 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7411 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7412 dot_product=dx.q*dx.q+dy.q*dy.q;
7413 if (dot_product < 0.25)
7416 inverse_slope.q=0.0;
7417 if (fabs(dx.q) < MagickEpsilon)
7420 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7422 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7425 if (fabs(dy.q) < MagickEpsilon)
7428 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7430 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7435 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7437 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7438 offset.y=(double) (offset.x*inverse_slope.q);
7439 dot_product=dy.q*offset.x-dx.q*offset.y;
7440 if (dot_product > 0.0)
7442 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7443 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7444 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7445 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7446 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7447 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7448 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7449 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7453 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7454 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7455 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7456 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7457 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7458 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7459 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7460 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7462 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7469 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7470 box_p[3].y)/(slope.p-slope.q));
7471 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7472 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7473 box_q[3].y)/(slope.p-slope.q));
7474 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7476 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7477 dot_product=dx.q*dy.p-dx.p*dy.q;
7478 if (dot_product <= 0.0)
7479 switch (draw_info->linejoin)
7483 stroke_q[q++]=box_q[1];
7484 stroke_q[q++]=box_q[2];
7485 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7486 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7487 if (dot_product <= miterlimit)
7488 stroke_p[p++]=box_p[4];
7491 stroke_p[p++]=box_p[1];
7492 stroke_p[p++]=box_p[2];
7498 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7499 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7500 if (dot_product <= miterlimit)
7502 stroke_q[q++]=box_q[4];
7503 stroke_p[p++]=box_p[4];
7507 stroke_q[q++]=box_q[1];
7508 stroke_q[q++]=box_q[2];
7509 stroke_p[p++]=box_p[1];
7510 stroke_p[p++]=box_p[2];
7516 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7517 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7518 if (dot_product <= miterlimit)
7519 stroke_p[p++]=box_p[4];
7522 stroke_p[p++]=box_p[1];
7523 stroke_p[p++]=box_p[2];
7525 center=polygon_primitive[n].point;
7526 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7527 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7528 if (theta.q < theta.p)
7529 theta.q+=2.0*MagickPI;
7530 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7531 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7532 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7533 stroke_q[q].x=box_q[1].x;
7534 stroke_q[q].y=box_q[1].y;
7536 for (j=1; j < (ssize_t) arc_segments; j++)
7538 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7539 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7540 (theta.p+delta_theta),DegreesToRadians(360.0))));
7541 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7542 (theta.p+delta_theta),DegreesToRadians(360.0))));
7545 stroke_q[q++]=box_q[2];
7552 switch (draw_info->linejoin)
7556 stroke_p[p++]=box_p[1];
7557 stroke_p[p++]=box_p[2];
7558 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7559 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7560 if (dot_product <= miterlimit)
7561 stroke_q[q++]=box_q[4];
7564 stroke_q[q++]=box_q[1];
7565 stroke_q[q++]=box_q[2];
7571 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7572 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7573 if (dot_product <= miterlimit)
7575 stroke_q[q++]=box_q[4];
7576 stroke_p[p++]=box_p[4];
7580 stroke_q[q++]=box_q[1];
7581 stroke_q[q++]=box_q[2];
7582 stroke_p[p++]=box_p[1];
7583 stroke_p[p++]=box_p[2];
7589 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7590 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7591 if (dot_product <= miterlimit)
7592 stroke_q[q++]=box_q[4];
7595 stroke_q[q++]=box_q[1];
7596 stroke_q[q++]=box_q[2];
7598 center=polygon_primitive[n].point;
7599 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7600 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7601 if (theta.p < theta.q)
7602 theta.p+=2.0*MagickPI;
7603 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7604 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7605 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7606 stroke_p[p++]=box_p[1];
7607 for (j=1; j < (ssize_t) arc_segments; j++)
7609 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7610 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7611 (theta.p+delta_theta),DegreesToRadians(360.0))));
7612 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7613 (theta.p+delta_theta),DegreesToRadians(360.0))));
7616 stroke_p[p++]=box_p[2];
7623 inverse_slope.p=inverse_slope.q;
7632 stroke_p[p++]=box_p[1];
7633 stroke_q[q++]=box_q[1];
7637 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7638 (p+q+2UL*closed_path+2UL),
sizeof(*stroke_polygon));
7641 (void) ThrowMagickException(exception,GetMagickModule(),
7642 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7643 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7644 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7647 return(stroke_polygon);
7649 for (i=0; i < (ssize_t) p; i++)
7651 stroke_polygon[i]=polygon_primitive[0];
7652 stroke_polygon[i].point=stroke_p[i];
7654 if (closed_path != MagickFalse)
7656 stroke_polygon[i]=polygon_primitive[0];
7657 stroke_polygon[i].point=stroke_polygon[0].point;
7660 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7662 stroke_polygon[i]=polygon_primitive[0];
7663 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7665 if (closed_path != MagickFalse)
7667 stroke_polygon[i]=polygon_primitive[0];
7668 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7671 stroke_polygon[i]=polygon_primitive[0];
7672 stroke_polygon[i].point=stroke_polygon[0].point;
7674 stroke_polygon[i].primitive=UndefinedPrimitive;
7675 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7676 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7677 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7678 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7679 return(stroke_polygon);