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,1)
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],
2531 assert(image != (
Image *) NULL);
2532 assert(image->signature == MagickCoreSignature);
2533 assert(draw_info != (
DrawInfo *) NULL);
2534 assert(draw_info->signature == MagickCoreSignature);
2535 if (IsEventLogging() != MagickFalse)
2536 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2537 if (depth > MagickMaxRecursionDepth)
2538 ThrowBinaryImageException(DrawError,
"VectorGraphicsNestedTooDeeply",
2540 if ((draw_info->primitive == (
char *) NULL) ||
2541 (*draw_info->primitive ==
'\0'))
2542 return(MagickFalse);
2543 if (draw_info->debug != MagickFalse)
2544 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2545 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
2546 return(MagickFalse);
2547 if (image->matte == MagickFalse)
2549 status=SetImageAlphaChannel(image,OpaqueAlphaChannel);
2550 if (status == MagickFalse)
2551 return(MagickFalse);
2553 primitive=(
char *) NULL;
2554 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2555 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2556 primitive=FileToString(draw_info->primitive,~0UL,&image->exception);
2558 primitive=AcquireString(draw_info->primitive);
2559 if (primitive == (
char *) NULL)
2560 return(MagickFalse);
2561 primitive_extent=(double) strlen(primitive);
2562 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2567 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2568 if (graphic_context == (
DrawInfo **) NULL)
2570 primitive=DestroyString(primitive);
2571 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2574 number_points=(size_t) PrimitiveExtentPad;
2575 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2576 (number_points+1),
sizeof(*primitive_info));
2579 primitive=DestroyString(primitive);
2580 for ( ; n >= 0; n--)
2581 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2582 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2583 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2586 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2587 sizeof(*primitive_info));
2588 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2589 mvg_info.primitive_info=(&primitive_info);
2590 mvg_info.extent=(&number_points);
2591 mvg_info.exception=(&image->exception);
2592 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2593 graphic_context[n]->viewbox=image->page;
2594 if ((image->page.width == 0) || (image->page.height == 0))
2596 graphic_context[n]->viewbox.width=image->columns;
2597 graphic_context[n]->viewbox.height=image->rows;
2599 token=AcquireString(primitive);
2600 extent=strlen(token)+MaxTextExtent;
2604 macros=GetMVGMacros(primitive);
2605 status=QueryColorDatabase(
"#000000",&start_color,&image->exception);
2606 for (q=primitive; *q !=
'\0'; )
2611 if (GetNextToken(q,&q,MaxTextExtent,keyword) < 1)
2613 if (*keyword ==
'\0')
2615 if (*keyword ==
'#')
2620 while ((*q !=
'\n') && (*q !=
'\0'))
2624 p=q-strlen(keyword)-1;
2625 primitive_type=UndefinedPrimitive;
2626 current=graphic_context[n]->affine;
2627 GetAffineMatrix(&affine);
2636 if (LocaleCompare(
"affine",keyword) == 0)
2638 (void) GetNextToken(q,&q,extent,token);
2639 affine.sx=GetDrawValue(token,&next_token);
2640 if (token == next_token)
2641 ThrowPointExpectedException(image,token);
2642 (void) GetNextToken(q,&q,extent,token);
2644 (void) GetNextToken(q,&q,extent,token);
2645 affine.rx=GetDrawValue(token,&next_token);
2646 if (token == next_token)
2647 ThrowPointExpectedException(image,token);
2648 (void) GetNextToken(q,&q,extent,token);
2650 (void) GetNextToken(q,&q,extent,token);
2651 affine.ry=GetDrawValue(token,&next_token);
2652 if (token == next_token)
2653 ThrowPointExpectedException(image,token);
2654 (void) GetNextToken(q,&q,extent,token);
2656 (void) GetNextToken(q,&q,extent,token);
2657 affine.sy=GetDrawValue(token,&next_token);
2658 if (token == next_token)
2659 ThrowPointExpectedException(image,token);
2660 (void) GetNextToken(q,&q,extent,token);
2662 (void) GetNextToken(q,&q,extent,token);
2663 affine.tx=GetDrawValue(token,&next_token);
2664 if (token == next_token)
2665 ThrowPointExpectedException(image,token);
2666 (void) GetNextToken(q,&q,extent,token);
2668 (void) GetNextToken(q,&q,extent,token);
2669 affine.ty=GetDrawValue(token,&next_token);
2670 if (token == next_token)
2671 ThrowPointExpectedException(image,token);
2674 if (LocaleCompare(
"arc",keyword) == 0)
2676 primitive_type=ArcPrimitive;
2685 if (LocaleCompare(
"bezier",keyword) == 0)
2687 primitive_type=BezierPrimitive;
2690 if (LocaleCompare(
"border-color",keyword) == 0)
2692 (void) GetNextToken(q,&q,extent,token);
2693 status&=QueryColorDatabase(token,&graphic_context[n]->border_color,
2703 if (LocaleCompare(
"class",keyword) == 0)
2708 (void) GetNextToken(q,&q,extent,token);
2709 if ((*token ==
'\0') || (*token ==
';'))
2714 if (LocaleCompare(token,graphic_context[n]->
id) == 0)
2716 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2717 if ((graphic_context[n]->render != MagickFalse) &&
2718 (mvg_class != (
const char *) NULL) && (p > primitive))
2729 offset=(ssize_t) (p-primitive);
2730 elements=AcquireString(primitive);
2731 elements[offset]=
'\0';
2732 (void) ConcatenateString(&elements,mvg_class);
2733 (void) ConcatenateString(&elements,
"\n");
2734 (void) ConcatenateString(&elements,q);
2735 primitive=DestroyString(primitive);
2741 if (LocaleCompare(
"clip-path",keyword) == 0)
2749 (void) GetNextToken(q,&q,extent,token);
2755 (void) CloneString(&graphic_context[n]->clip_mask,token);
2756 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2757 if (clip_path != (
const char *) NULL)
2759 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2760 graphic_context[n]->clipping_mask=
2761 DestroyImage(graphic_context[n]->clipping_mask);
2762 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2763 graphic_context[n],token,clip_path,&image->exception);
2764 if (graphic_context[n]->compliance != SVGCompliance)
2769 clip_path=(
const char *) GetValueFromSplayTree(macros,
2770 graphic_context[n]->clip_mask);
2771 if (clip_path != (
const char *) NULL)
2772 (
void) SetImageArtifact(image,
2773 graphic_context[n]->clip_mask,clip_path);
2774 status&=DrawClipPath(image,graphic_context[n],
2775 graphic_context[n]->clip_mask);
2780 if (LocaleCompare(
"clip-rule",keyword) == 0)
2785 (void) GetNextToken(q,&q,extent,token);
2786 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2788 if (fill_rule == -1)
2793 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2796 if (LocaleCompare(
"clip-units",keyword) == 0)
2801 (void) GetNextToken(q,&q,extent,token);
2802 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2804 if (clip_units == -1)
2809 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2810 if (clip_units == ObjectBoundingBox)
2812 GetAffineMatrix(¤t);
2813 affine.sx=draw_info->bounds.x2;
2814 affine.sy=draw_info->bounds.y2;
2815 affine.tx=draw_info->bounds.x1;
2816 affine.ty=draw_info->bounds.y1;
2821 if (LocaleCompare(
"circle",keyword) == 0)
2823 primitive_type=CirclePrimitive;
2826 if (LocaleCompare(
"color",keyword) == 0)
2828 primitive_type=ColorPrimitive;
2831 if (LocaleCompare(
"compliance",keyword) == 0)
2837 (void) GetNextToken(q,&q,extent,token);
2838 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2839 MagickComplianceOptions,MagickFalse,token);
2842 if (LocaleCompare(
"currentColor",keyword) == 0)
2844 (void) GetNextToken(q,&q,extent,token);
2853 if (LocaleCompare(
"decorate",keyword) == 0)
2858 (void) GetNextToken(q,&q,extent,token);
2859 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2866 graphic_context[n]->decorate=(DecorationType) decorate;
2869 if (LocaleCompare(
"density",keyword) == 0)
2871 (void) GetNextToken(q,&q,extent,token);
2872 (void) CloneString(&graphic_context[n]->density,token);
2875 if (LocaleCompare(
"direction",keyword) == 0)
2880 (void) GetNextToken(q,&q,extent,token);
2881 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2883 if (direction == -1)
2886 graphic_context[n]->direction=(DirectionType) direction;
2895 if (LocaleCompare(
"ellipse",keyword) == 0)
2897 primitive_type=EllipsePrimitive;
2900 if (LocaleCompare(
"encoding",keyword) == 0)
2902 (void) GetNextToken(q,&q,extent,token);
2903 (void) CloneString(&graphic_context[n]->encoding,token);
2912 if (LocaleCompare(
"fill",keyword) == 0)
2917 (void) GetNextToken(q,&q,extent,token);
2918 if (graphic_context[n]->clip_path != MagickFalse)
2920 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2921 if (mvg_class != (
const char *) NULL)
2923 (void) DrawPatternPath(image,draw_info,mvg_class,
2924 &graphic_context[n]->fill_pattern);
2927 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
2928 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2930 (void) DrawPatternPath(image,draw_info,token,
2931 &graphic_context[n]->fill_pattern);
2934 status&=QueryColorDatabase(token,&graphic_context[n]->fill,
2936 if (graphic_context[n]->fill_opacity != OpaqueOpacity)
2937 graphic_context[n]->fill.opacity=ClampToQuantum(
2938 graphic_context[n]->fill_opacity);
2941 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2946 (void) GetNextToken(q,&q,extent,token);
2947 if (graphic_context[n]->clip_path != MagickFalse)
2949 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2950 opacity=MagickMin(MagickMax(factor*
2951 GetDrawValue(token,&next_token),0.0),1.0);
2952 if (token == next_token)
2953 ThrowPointExpectedException(image,token);
2954 if (graphic_context[n]->compliance == SVGCompliance)
2955 graphic_context[n]->fill_opacity*=(1.0-opacity);
2957 graphic_context[n]->fill_opacity=(QuantumRange-
2958 graphic_context[n]->fill_opacity)*(1.0-opacity);
2959 if (graphic_context[n]->fill.opacity != TransparentOpacity)
2960 graphic_context[n]->fill.opacity=(Quantum)
2961 graphic_context[n]->fill_opacity;
2963 graphic_context[n]->fill.opacity=ClampToQuantum(QuantumRange*
2967 if (LocaleCompare(
"fill-rule",keyword) == 0)
2972 (void) GetNextToken(q,&q,extent,token);
2973 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2975 if (fill_rule == -1)
2980 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2983 if (LocaleCompare(
"font",keyword) == 0)
2985 (void) GetNextToken(q,&q,extent,token);
2986 (void) CloneString(&graphic_context[n]->font,token);
2987 if (LocaleCompare(
"none",token) == 0)
2988 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
2989 graphic_context[n]->font);
2992 if (LocaleCompare(
"font-family",keyword) == 0)
2994 (void) GetNextToken(q,&q,extent,token);
2995 (void) CloneString(&graphic_context[n]->family,token);
2998 if (LocaleCompare(
"font-size",keyword) == 0)
3000 (void) GetNextToken(q,&q,extent,token);
3001 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3002 if (token == next_token)
3003 ThrowPointExpectedException(image,token);
3006 if (LocaleCompare(
"font-stretch",keyword) == 0)
3011 (void) GetNextToken(q,&q,extent,token);
3012 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3018 graphic_context[n]->stretch=(StretchType) stretch;
3021 if (LocaleCompare(
"font-style",keyword) == 0)
3026 (void) GetNextToken(q,&q,extent,token);
3027 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3033 graphic_context[n]->style=(StyleType) style;
3036 if (LocaleCompare(
"font-weight",keyword) == 0)
3041 (void) GetNextToken(q,&q,extent,token);
3042 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3044 weight=(ssize_t) StringToUnsignedLong(token);
3045 graphic_context[n]->weight=(size_t) weight;
3054 if (LocaleCompare(
"gradient-units",keyword) == 0)
3056 (void) GetNextToken(q,&q,extent,token);
3059 if (LocaleCompare(
"gravity",keyword) == 0)
3064 (void) GetNextToken(q,&q,extent,token);
3065 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3071 graphic_context[n]->gravity=(GravityType) gravity;
3080 if (LocaleCompare(
"image",keyword) == 0)
3085 primitive_type=ImagePrimitive;
3086 (void) GetNextToken(q,&q,extent,token);
3087 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3093 graphic_context[n]->compose=(CompositeOperator) compose;
3096 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3098 (void) GetNextToken(q,&q,extent,token);
3099 graphic_context[n]->interline_spacing=GetDrawValue(token,
3101 if (token == next_token)
3102 ThrowPointExpectedException(image,token);
3105 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3107 (void) GetNextToken(q,&q,extent,token);
3108 graphic_context[n]->interword_spacing=GetDrawValue(token,
3110 if (token == next_token)
3111 ThrowPointExpectedException(image,token);
3120 if (LocaleCompare(
"kerning",keyword) == 0)
3122 (void) GetNextToken(q,&q,extent,token);
3123 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3124 if (token == next_token)
3125 ThrowPointExpectedException(image,token);
3134 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3136 (void) GetNextToken(q,&q,extent,token);
3137 if (IsPoint(token) == MagickFalse)
3139 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3140 clone_info->text=AcquireString(
" ");
3141 status&=GetTypeMetrics(image,clone_info,&metrics);
3142 graphic_context[n]->kerning=metrics.width*
3143 GetDrawValue(token,&next_token);
3144 clone_info=DestroyDrawInfo(clone_info);
3145 if (token == next_token)
3146 ThrowPointExpectedException(image,token);
3149 if (LocaleCompare(
"line",keyword) == 0)
3151 primitive_type=LinePrimitive;
3160 if (LocaleCompare(
"mask",keyword) == 0)
3168 (void) GetNextToken(q,&q,extent,token);
3169 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3170 if (mask_path != (
const char *) NULL)
3172 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3173 graphic_context[n]->composite_mask=
3174 DestroyImage(graphic_context[n]->composite_mask);
3175 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3176 graphic_context[n],token,mask_path,&image->exception);
3177 if (graphic_context[n]->compliance != SVGCompliance)
3178 status=SetImageMask(image,graphic_context[n]->composite_mask);
3182 if (LocaleCompare(
"matte",keyword) == 0)
3184 primitive_type=MattePrimitive;
3193 if (LocaleCompare(
"offset",keyword) == 0)
3195 (void) GetNextToken(q,&q,extent,token);
3198 if (LocaleCompare(
"opacity",keyword) == 0)
3203 (void) GetNextToken(q,&q,extent,token);
3204 if (graphic_context[n]->clip_path != MagickFalse)
3206 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3207 opacity=MagickMin(MagickMax(factor*
3208 GetDrawValue(token,&next_token),0.0),1.0);
3209 if (token == next_token)
3210 ThrowPointExpectedException(image,token);
3211 if (graphic_context[n]->compliance == SVGCompliance)
3213 graphic_context[n]->fill_opacity*=(1.0-opacity);
3214 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3218 graphic_context[n]->fill_opacity=(QuantumRange-
3219 graphic_context[n]->fill_opacity)*(1.0-opacity);
3220 graphic_context[n]->stroke_opacity=(QuantumRange-
3221 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3231 if (LocaleCompare(
"path",keyword) == 0)
3233 primitive_type=PathPrimitive;
3236 if (LocaleCompare(
"point",keyword) == 0)
3238 primitive_type=PointPrimitive;
3241 if (LocaleCompare(
"polyline",keyword) == 0)
3243 primitive_type=PolylinePrimitive;
3246 if (LocaleCompare(
"polygon",keyword) == 0)
3248 primitive_type=PolygonPrimitive;
3251 if (LocaleCompare(
"pop",keyword) == 0)
3253 if (GetNextToken(q,&q,extent,token) < 1)
3255 if (LocaleCompare(
"class",token) == 0)
3257 if (LocaleCompare(
"clip-path",token) == 0)
3259 if (LocaleCompare(
"defs",token) == 0)
3262 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3266 if (LocaleCompare(
"gradient",token) == 0)
3268 if (LocaleCompare(
"graphic-context",token) == 0)
3272 (void) ThrowMagickException(&image->exception,
3273 GetMagickModule(),DrawError,
3274 "UnbalancedGraphicContextPushPop",
"`%s'",token);
3279 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3280 (graphic_context[n]->compliance != SVGCompliance))
3281 if (LocaleCompare(graphic_context[n]->clip_mask,
3282 graphic_context[n-1]->clip_mask) != 0)
3283 status=SetImageClipMask(image,(
Image *) NULL);
3284 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3288 if (LocaleCompare(
"mask",token) == 0)
3290 if (LocaleCompare(
"pattern",token) == 0)
3292 if (LocaleCompare(
"symbol",token) == 0)
3295 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3302 if (LocaleCompare(
"push",keyword) == 0)
3304 if (GetNextToken(q,&q,extent,token) < 1)
3306 if (LocaleCompare(
"class",token) == 0)
3311 for (p=q; *q !=
'\0'; )
3313 if (GetNextToken(q,&q,extent,token) < 1)
3315 if (LocaleCompare(token,
"pop") != 0)
3317 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3318 if (LocaleCompare(token,
"class") != 0)
3322 (void) GetNextToken(q,&q,extent,token);
3325 if (LocaleCompare(
"clip-path",token) == 0)
3327 (void) GetNextToken(q,&q,extent,token);
3328 for (p=q; *q !=
'\0'; )
3330 if (GetNextToken(q,&q,extent,token) < 1)
3332 if (LocaleCompare(token,
"pop") != 0)
3334 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3335 if (LocaleCompare(token,
"clip-path") != 0)
3339 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3344 (void) GetNextToken(q,&q,extent,token);
3347 if (LocaleCompare(
"defs",token) == 0)
3350 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3354 if (LocaleCompare(
"gradient",token) == 0)
3357 key[2*MaxTextExtent],
3358 name[MaxTextExtent],
3359 type[MaxTextExtent];
3364 (void) GetNextToken(q,&q,extent,token);
3365 (void) CopyMagickString(name,token,MaxTextExtent);
3366 (void) GetNextToken(q,&q,extent,token);
3367 (void) CopyMagickString(type,token,MaxTextExtent);
3368 (void) GetNextToken(q,&q,extent,token);
3369 segment.x1=GetDrawValue(token,&next_token);
3370 if (token == next_token)
3371 ThrowPointExpectedException(image,token);
3372 (void) GetNextToken(q,&q,extent,token);
3374 (void) GetNextToken(q,&q,extent,token);
3375 segment.y1=GetDrawValue(token,&next_token);
3376 if (token == next_token)
3377 ThrowPointExpectedException(image,token);
3378 (void) GetNextToken(q,&q,extent,token);
3380 (void) GetNextToken(q,&q,extent,token);
3381 segment.x2=GetDrawValue(token,&next_token);
3382 if (token == next_token)
3383 ThrowPointExpectedException(image,token);
3384 (void) GetNextToken(q,&q,extent,token);
3386 (void) GetNextToken(q,&q,extent,token);
3387 segment.y2=GetDrawValue(token,&next_token);
3388 if (token == next_token)
3389 ThrowPointExpectedException(image,token);
3390 if (LocaleCompare(type,
"radial") == 0)
3392 (void) GetNextToken(q,&q,extent,token);
3394 (void) GetNextToken(q,&q,extent,token);
3396 for (p=q; *q !=
'\0'; )
3398 if (GetNextToken(q,&q,extent,token) < 1)
3400 if (LocaleCompare(token,
"pop") != 0)
3402 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3403 if (LocaleCompare(token,
"gradient") != 0)
3407 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3408 (p == (
char *) NULL) || ((q-4) < p))
3413 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3414 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3415 graphic_context[n]->affine.ry*segment.y1+
3416 graphic_context[n]->affine.tx;
3417 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3418 graphic_context[n]->affine.sy*segment.y1+
3419 graphic_context[n]->affine.ty;
3420 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3421 graphic_context[n]->affine.ry*segment.y2+
3422 graphic_context[n]->affine.tx;
3423 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3424 graphic_context[n]->affine.sy*segment.y2+
3425 graphic_context[n]->affine.ty;
3426 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3427 (void) SetImageArtifact(image,key,token);
3428 (void) FormatLocaleString(key,MaxTextExtent,
"%s-type",name);
3429 (void) SetImageArtifact(image,key,type);
3430 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3431 (void) FormatLocaleString(geometry,MaxTextExtent,
3432 "%gx%g%+.15g%+.15g",
3433 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3434 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3435 bounds.x1,bounds.y1);
3436 (void) SetImageArtifact(image,key,geometry);
3437 (void) GetNextToken(q,&q,extent,token);
3440 if (LocaleCompare(
"graphic-context",token) == 0)
3443 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3444 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3445 if (graphic_context == (
DrawInfo **) NULL)
3447 (void) ThrowMagickException(&image->exception,
3448 GetMagickModule(),ResourceLimitError,
3449 "MemoryAllocationFailed",
"`%s'",image->filename);
3452 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3453 graphic_context[n-1]);
3456 (void) GetNextToken(q,&q,extent,token);
3457 (void) CloneString(&graphic_context[n]->
id,token);
3461 if (LocaleCompare(
"mask",token) == 0)
3463 (void) GetNextToken(q,&q,extent,token);
3466 if (LocaleCompare(
"pattern",token) == 0)
3471 (void) GetNextToken(q,&q,extent,token);
3472 (void) CopyMagickString(name,token,MaxTextExtent);
3473 (void) GetNextToken(q,&q,extent,token);
3474 bounds.x=CastDoubleToLong(ceil(GetDrawValue(token,
3476 if (token == next_token)
3477 ThrowPointExpectedException(image,token);
3478 (void) GetNextToken(q,&q,extent,token);
3480 (void) GetNextToken(q,&q,extent,token);
3481 bounds.y=CastDoubleToLong(ceil(GetDrawValue(token,
3483 if (token == next_token)
3484 ThrowPointExpectedException(image,token);
3485 (void) GetNextToken(q,&q,extent,token);
3487 (void) GetNextToken(q,&q,extent,token);
3488 bounds.width=CastDoubleToUnsigned(GetDrawValue(token,&next_token)+
3490 if (token == next_token)
3491 ThrowPointExpectedException(image,token);
3492 (void) GetNextToken(q,&q,extent,token);
3494 (void) GetNextToken(q,&q,extent,token);
3495 bounds.height=CastDoubleToUnsigned(GetDrawValue(token,&next_token)+
3497 if (token == next_token)
3498 ThrowPointExpectedException(image,token);
3499 for (p=q; *q !=
'\0'; )
3501 if (GetNextToken(q,&q,extent,token) < 1)
3503 if (LocaleCompare(token,
"pop") != 0)
3505 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3506 if (LocaleCompare(token,
"pattern") != 0)
3510 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3515 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3516 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3517 (void) SetImageArtifact(image,key,token);
3518 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3519 (void) FormatLocaleString(geometry,MaxTextExtent,
3520 "%.20gx%.20g%+.20g%+.20g",(
double) bounds.width,(double)
3521 bounds.height,(
double) bounds.x,(double) bounds.y);
3522 (void) SetImageArtifact(image,key,geometry);
3523 (void) GetNextToken(q,&q,extent,token);
3526 if (LocaleCompare(
"symbol",token) == 0)
3529 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3542 if (LocaleCompare(
"rectangle",keyword) == 0)
3544 primitive_type=RectanglePrimitive;
3547 if (LocaleCompare(
"rotate",keyword) == 0)
3549 (void) GetNextToken(q,&q,extent,token);
3550 angle=GetDrawValue(token,&next_token);
3551 if (token == next_token)
3552 ThrowPointExpectedException(image,token);
3553 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3554 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3555 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3556 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3559 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3561 primitive_type=RoundRectanglePrimitive;
3570 if (LocaleCompare(
"scale",keyword) == 0)
3572 (void) GetNextToken(q,&q,extent,token);
3573 affine.sx=GetDrawValue(token,&next_token);
3574 if (token == next_token)
3575 ThrowPointExpectedException(image,token);
3576 (void) GetNextToken(q,&q,extent,token);
3578 (void) GetNextToken(q,&q,extent,token);
3579 affine.sy=GetDrawValue(token,&next_token);
3580 if (token == next_token)
3581 ThrowPointExpectedException(image,token);
3584 if (LocaleCompare(
"skewX",keyword) == 0)
3586 (void) GetNextToken(q,&q,extent,token);
3587 angle=GetDrawValue(token,&next_token);
3588 if (token == next_token)
3589 ThrowPointExpectedException(image,token);
3590 affine.ry=sin(DegreesToRadians(angle));
3593 if (LocaleCompare(
"skewY",keyword) == 0)
3595 (void) GetNextToken(q,&q,extent,token);
3596 angle=GetDrawValue(token,&next_token);
3597 if (token == next_token)
3598 ThrowPointExpectedException(image,token);
3599 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3602 if (LocaleCompare(
"stop-color",keyword) == 0)
3610 (void) GetNextToken(q,&q,extent,token);
3611 status&=QueryColorDatabase(token,&stop_color,&image->exception);
3612 type=LinearGradient;
3613 if (draw_info->gradient.type == RadialGradient)
3614 type=RadialGradient;
3615 (void) GradientImage(image,type,PadSpread,&start_color,&stop_color);
3616 start_color=stop_color;
3617 (void) GetNextToken(q,&q,extent,token);
3620 if (LocaleCompare(
"stroke",keyword) == 0)
3625 (void) GetNextToken(q,&q,extent,token);
3626 if (graphic_context[n]->clip_path != MagickFalse)
3628 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3629 if (mvg_class != (
const char *) NULL)
3631 (void) DrawPatternPath(image,draw_info,mvg_class,
3632 &graphic_context[n]->stroke_pattern);
3635 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
3636 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3638 (void) DrawPatternPath(image,draw_info,token,
3639 &graphic_context[n]->stroke_pattern);
3642 status&=QueryColorDatabase(token,&graphic_context[n]->stroke,
3644 if (graphic_context[n]->stroke_opacity != OpaqueOpacity)
3645 graphic_context[n]->stroke.opacity=ClampToQuantum(
3646 graphic_context[n]->stroke_opacity);
3649 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3651 (void) GetNextToken(q,&q,extent,token);
3652 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3653 MagickTrue : MagickFalse;
3656 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3658 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3659 graphic_context[n]->dash_pattern=(
double *)
3660 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3661 if (IsPoint(q) != MagickFalse)
3667 (void) GetNextToken(p,&p,extent,token);
3669 (void) GetNextToken(p,&p,extent,token);
3670 for (x=0; IsPoint(token) != MagickFalse; x++)
3672 (void) GetNextToken(p,&p,extent,token);
3674 (void) GetNextToken(p,&p,extent,token);
3676 graphic_context[n]->dash_pattern=(
double *)
3677 AcquireQuantumMemory((
size_t) (2*x+2),
3678 sizeof(*graphic_context[n]->dash_pattern));
3679 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3681 (void) ThrowMagickException(&image->exception,
3682 GetMagickModule(),ResourceLimitError,
3683 "MemoryAllocationFailed",
"`%s'",image->filename);
3687 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3688 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3689 for (j=0; j < x; j++)
3691 (void) GetNextToken(q,&q,extent,token);
3693 (void) GetNextToken(q,&q,extent,token);
3694 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3696 if (token == next_token)
3697 ThrowPointExpectedException(image,token);
3698 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3701 if ((x & 0x01) != 0)
3702 for ( ; j < (2*x); j++)
3703 graphic_context[n]->dash_pattern[j]=
3704 graphic_context[n]->dash_pattern[j-x];
3705 graphic_context[n]->dash_pattern[j]=0.0;
3708 (void) GetNextToken(q,&q,extent,token);
3711 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3713 (void) GetNextToken(q,&q,extent,token);
3714 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3715 if (token == next_token)
3716 ThrowPointExpectedException(image,token);
3719 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3724 (void) GetNextToken(q,&q,extent,token);
3725 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3731 graphic_context[n]->linecap=(LineCap) linecap;
3734 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3739 (void) GetNextToken(q,&q,extent,token);
3740 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3747 graphic_context[n]->linejoin=(LineJoin) linejoin;
3750 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3752 (void) GetNextToken(q,&q,extent,token);
3753 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3756 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3761 (void) GetNextToken(q,&q,extent,token);
3762 if (graphic_context[n]->clip_path != MagickFalse)
3764 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3765 opacity=MagickMin(MagickMax(factor*
3766 GetDrawValue(token,&next_token),0.0),1.0);
3767 if (token == next_token)
3768 ThrowPointExpectedException(image,token);
3769 if (graphic_context[n]->compliance == SVGCompliance)
3770 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3772 graphic_context[n]->stroke_opacity=(QuantumRange-
3773 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3774 if (graphic_context[n]->stroke.opacity != TransparentOpacity)
3775 graphic_context[n]->stroke.opacity=(Quantum)
3776 graphic_context[n]->stroke_opacity;
3778 graphic_context[n]->stroke.opacity=ClampToQuantum(QuantumRange*
3782 if (LocaleCompare(
"stroke-width",keyword) == 0)
3784 (void) GetNextToken(q,&q,extent,token);
3785 if (graphic_context[n]->clip_path != MagickFalse)
3787 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3788 if ((token == next_token) ||
3789 (graphic_context[n]->stroke_width < 0.0))
3790 ThrowPointExpectedException(image,token);
3799 if (LocaleCompare(
"text",keyword) == 0)
3801 primitive_type=TextPrimitive;
3805 if (LocaleCompare(
"text-align",keyword) == 0)
3810 (void) GetNextToken(q,&q,extent,token);
3811 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3817 graphic_context[n]->align=(AlignType) align;
3820 if (LocaleCompare(
"text-anchor",keyword) == 0)
3825 (void) GetNextToken(q,&q,extent,token);
3826 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3832 graphic_context[n]->align=(AlignType) align;
3835 if (LocaleCompare(
"text-antialias",keyword) == 0)
3837 (void) GetNextToken(q,&q,extent,token);
3838 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3839 MagickTrue : MagickFalse;
3842 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3844 (void) GetNextToken(q,&q,extent,token);
3845 status&=QueryColorDatabase(token,&graphic_context[n]->undercolor,
3849 if (LocaleCompare(
"translate",keyword) == 0)
3851 (void) GetNextToken(q,&q,extent,token);
3852 affine.tx=GetDrawValue(token,&next_token);
3853 if (token == next_token)
3854 ThrowPointExpectedException(image,token);
3855 (void) GetNextToken(q,&q,extent,token);
3857 (void) GetNextToken(q,&q,extent,token);
3858 affine.ty=GetDrawValue(token,&next_token);
3859 if (token == next_token)
3860 ThrowPointExpectedException(image,token);
3869 if (LocaleCompare(
"use",keyword) == 0)
3877 (void) GetNextToken(q,&q,extent,token);
3878 use=(
const char *) GetValueFromSplayTree(macros,token);
3879 if (use != (
const char *) NULL)
3881 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3882 (void) CloneString(&clone_info->primitive,use);
3883 status=RenderMVGContent(image,clone_info,depth+1);
3884 clone_info=DestroyDrawInfo(clone_info);
3894 if (LocaleCompare(
"viewbox",keyword) == 0)
3896 (void) GetNextToken(q,&q,extent,token);
3897 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3898 GetDrawValue(token,&next_token)-0.5));
3899 if (token == next_token)
3900 ThrowPointExpectedException(image,token);
3901 (void) GetNextToken(q,&q,extent,token);
3903 (void) GetNextToken(q,&q,extent,token);
3904 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3905 GetDrawValue(token,&next_token)-0.5));
3906 if (token == next_token)
3907 ThrowPointExpectedException(image,token);
3908 (void) GetNextToken(q,&q,extent,token);
3910 (void) GetNextToken(q,&q,extent,token);
3911 graphic_context[n]->viewbox.width=CastDoubleToUnsigned(GetDrawValue(
3912 token,&next_token)+0.5);
3913 if (token == next_token)
3914 ThrowPointExpectedException(image,token);
3915 (void) GetNextToken(q,&q,extent,token);
3917 (void) GetNextToken(q,&q,extent,token);
3918 graphic_context[n]->viewbox.height=CastDoubleToUnsigned(GetDrawValue(
3919 token,&next_token)+0.5);
3920 if (token == next_token)
3921 ThrowPointExpectedException(image,token);
3930 if (LocaleCompare(
"word-spacing",keyword) == 0)
3932 (void) GetNextToken(q,&q,extent,token);
3933 graphic_context[n]->interword_spacing=GetDrawValue(token,
3935 if (token == next_token)
3936 ThrowPointExpectedException(image,token);
3948 if (status == MagickFalse)
3950 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3951 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3952 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3953 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3955 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3956 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3957 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3958 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3959 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3961 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3964 if (primitive_type == UndefinedPrimitive)
3966 if ((draw_info->debug != MagickFalse) && (q > p))
3967 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
3974 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
3975 if (primitive_info[i].text != (
char *) NULL)
3976 primitive_info[i].text=DestroyString(primitive_info[i].text);
3980 primitive_info[0].point.x=0.0;
3981 primitive_info[0].point.y=0.0;
3982 primitive_info[0].coordinates=0;
3983 primitive_info[0].method=FloodfillMethod;
3984 primitive_info[0].closed_subpath=MagickFalse;
3985 for (x=0; *q !=
'\0'; x++)
3990 if (IsPoint(q) == MagickFalse)
3992 (void) GetNextToken(q,&q,extent,token);
3993 point.x=GetDrawValue(token,&next_token);
3994 if (token == next_token)
3995 ThrowPointExpectedException(image,token);
3996 (void) GetNextToken(q,&q,extent,token);
3998 (void) GetNextToken(q,&q,extent,token);
3999 point.y=GetDrawValue(token,&next_token);
4000 if (token == next_token)
4001 ThrowPointExpectedException(image,token);
4002 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4004 (void) GetNextToken(q,&q,extent,token);
4005 primitive_info[i].primitive=primitive_type;
4006 primitive_info[i].point=point;
4007 primitive_info[i].coordinates=0;
4008 primitive_info[i].method=FloodfillMethod;
4009 primitive_info[i].closed_subpath=MagickFalse;
4012 if (i < (ssize_t) number_points)
4014 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4015 primitive_info=(*mvg_info.primitive_info);
4017 if (status == MagickFalse)
4019 if (primitive_info[j].text != (
char *) NULL)
4020 primitive_info[j].text=DestroyString(primitive_info[j].text);
4021 primitive_info[j].primitive=primitive_type;
4022 primitive_info[j].coordinates=(size_t) x;
4023 primitive_info[j].method=FloodfillMethod;
4024 primitive_info[j].closed_subpath=MagickFalse;
4028 bounds.x1=primitive_info[j].point.x;
4029 bounds.y1=primitive_info[j].point.y;
4030 bounds.x2=primitive_info[j].point.x;
4031 bounds.y2=primitive_info[j].point.y;
4032 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4034 point=primitive_info[j+k].point;
4035 if (point.x < bounds.x1)
4037 if (point.y < bounds.y1)
4039 if (point.x > bounds.x2)
4041 if (point.y > bounds.y2)
4047 coordinates=(double) primitive_info[j].coordinates;
4048 switch (primitive_type)
4050 case RectanglePrimitive:
4055 case RoundRectanglePrimitive:
4062 alpha=bounds.x2-bounds.x1;
4063 beta=bounds.y2-bounds.y1;
4064 radius=hypot(alpha,beta);
4066 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4067 BezierQuantum+360.0;
4070 case BezierPrimitive:
4072 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4081 (void) GetNextToken(q,&q,extent,token);
4084 for (s=token; *s !=
'\0'; s=t)
4089 value=GetDrawValue(s,&t);
4098 for (s=token; *s !=
'\0'; s++)
4099 if (strspn(s,
"AaCcQqSsTt") != 0)
4100 coordinates+=(20.0*BezierQuantum)+360.0;
4106 if (status == MagickFalse)
4108 if (((
size_t) (i+coordinates)) >= number_points)
4113 number_points+=coordinates+1;
4114 if (number_points < (
size_t) coordinates)
4116 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4117 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4122 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4123 primitive_info=(*mvg_info.primitive_info);
4125 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4126 primitive_info=(*mvg_info.primitive_info);
4127 if (status == MagickFalse)
4130 switch (primitive_type)
4132 case PointPrimitive:
4135 if (primitive_info[j].coordinates != 1)
4140 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4141 primitive_info=(*mvg_info.primitive_info);
4142 i=(ssize_t) (j+primitive_info[j].coordinates);
4147 if (primitive_info[j].coordinates != 2)
4152 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4153 primitive_info[j+1].point);
4154 primitive_info=(*mvg_info.primitive_info);
4155 i=(ssize_t) (j+primitive_info[j].coordinates);
4158 case RectanglePrimitive:
4160 if (primitive_info[j].coordinates != 2)
4165 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4166 primitive_info[j+1].point);
4167 primitive_info=(*mvg_info.primitive_info);
4168 i=(ssize_t) (j+primitive_info[j].coordinates);
4171 case RoundRectanglePrimitive:
4173 if (primitive_info[j].coordinates != 3)
4178 if ((primitive_info[j+2].point.x < 0.0) ||
4179 (primitive_info[j+2].point.y < 0.0))
4184 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4189 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4194 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4195 primitive_info[j+1].point,primitive_info[j+2].point);
4196 primitive_info=(*mvg_info.primitive_info);
4197 i=(ssize_t) (j+primitive_info[j].coordinates);
4202 if (primitive_info[j].coordinates != 3)
4207 status&=TraceArc(&mvg_info,primitive_info[j].point,
4208 primitive_info[j+1].point,primitive_info[j+2].point);
4209 primitive_info=(*mvg_info.primitive_info);
4210 i=(ssize_t) (j+primitive_info[j].coordinates);
4213 case EllipsePrimitive:
4215 if (primitive_info[j].coordinates != 3)
4220 if ((primitive_info[j+1].point.x < 0.0) ||
4221 (primitive_info[j+1].point.y < 0.0))
4226 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4227 primitive_info[j+1].point,primitive_info[j+2].point);
4228 primitive_info=(*mvg_info.primitive_info);
4229 i=(ssize_t) (j+primitive_info[j].coordinates);
4232 case CirclePrimitive:
4234 if (primitive_info[j].coordinates != 2)
4239 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4240 primitive_info[j+1].point);
4241 primitive_info=(*mvg_info.primitive_info);
4242 i=(ssize_t) (j+primitive_info[j].coordinates);
4245 case PolylinePrimitive:
4247 if (primitive_info[j].coordinates < 1)
4254 case PolygonPrimitive:
4256 if (primitive_info[j].coordinates < 3)
4261 primitive_info[i]=primitive_info[j];
4262 primitive_info[i].coordinates=0;
4263 primitive_info[j].coordinates++;
4264 primitive_info[j].closed_subpath=MagickTrue;
4268 case BezierPrimitive:
4270 if (primitive_info[j].coordinates < 3)
4275 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4276 primitive_info=(*mvg_info.primitive_info);
4277 i=(ssize_t) (j+primitive_info[j].coordinates);
4282 coordinates=(double) TracePath(image,&mvg_info,token);
4283 primitive_info=(*mvg_info.primitive_info);
4284 if (coordinates < 0.0)
4289 i=(ssize_t) (j+coordinates);
4292 case ColorPrimitive:
4293 case MattePrimitive:
4298 if (primitive_info[j].coordinates != 1)
4303 (void) GetNextToken(q,&q,extent,token);
4304 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4310 primitive_info[j].method=(PaintMethod) method;
4316 geometry[MagickPathExtent];
4318 if (primitive_info[j].coordinates != 1)
4324 (void) GetNextToken(q,&q,extent,token);
4325 (void) CloneString(&primitive_info[j].text,token);
4329 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4330 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4331 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4333 mvg_info.point=primitive_info->point;
4334 primitive_info->point.x+=cursor;
4338 mvg_info.point=primitive_info->point;
4341 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
4342 primitive_info->point.x,primitive_info->point.y);
4343 clone_info->render=MagickFalse;
4344 clone_info->text=AcquireString(token);
4345 status&=GetTypeMetrics(image,clone_info,&metrics);
4346 clone_info=DestroyDrawInfo(clone_info);
4347 cursor+=metrics.width;
4348 if (graphic_context[n]->compliance != SVGCompliance)
4352 case ImagePrimitive:
4354 if (primitive_info[j].coordinates != 2)
4359 (void) GetNextToken(q,&q,extent,token);
4360 (void) CloneString(&primitive_info[j].text,token);
4367 primitive_info[i].primitive=UndefinedPrimitive;
4368 if ((draw_info->debug != MagickFalse) && (q > p))
4369 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4373 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4374 &graphic_context[n]->affine));
4375 primitive_info=(*mvg_info.primitive_info);
4378 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4379 graphic_context[n]->stroke_width);
4380 primitive_info=(*mvg_info.primitive_info);
4388 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4390 point=primitive_info[i].point;
4391 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4392 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4393 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4394 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4395 point=primitive_info[i].point;
4396 if (point.x < graphic_context[n]->bounds.x1)
4397 graphic_context[n]->bounds.x1=point.x;
4398 if (point.y < graphic_context[n]->bounds.y1)
4399 graphic_context[n]->bounds.y1=point.y;
4400 if (point.x > graphic_context[n]->bounds.x2)
4401 graphic_context[n]->bounds.x2=point.x;
4402 if (point.y > graphic_context[n]->bounds.y2)
4403 graphic_context[n]->bounds.y2=point.y;
4404 if (primitive_info[i].primitive == ImagePrimitive)
4406 if (i >= (ssize_t) number_points)
4407 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4409 if (graphic_context[n]->render != MagickFalse)
4411 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4412 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4413 (LocaleCompare(graphic_context[n]->clip_mask,
4414 graphic_context[n-1]->clip_mask) != 0))
4419 clip_path=(
const char *) GetValueFromSplayTree(macros,
4420 graphic_context[n]->clip_mask);
4421 if (clip_path != (
const char *) NULL)
4422 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4424 status&=DrawClipPath(image,graphic_context[n],
4425 graphic_context[n]->clip_mask);
4427 status&=DrawPrimitive(image,graphic_context[n],primitive_info);
4429 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4431 if (proceed == MagickFalse)
4436 if (draw_info->debug != MagickFalse)
4437 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4441 macros=DestroySplayTree(macros);
4442 token=DestroyString(token);
4445 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4446 if (primitive_info[i].text != (
char *) NULL)
4447 primitive_info[i].text=DestroyString(primitive_info[i].text);
4448 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4450 primitive=DestroyString(primitive);
4451 for ( ; n >= 0; n--)
4452 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4453 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4454 if (status == MagickFalse)
4455 ThrowBinaryImageException(DrawError,
4456 "NonconformingDrawingPrimitiveDefinition",keyword);
4457 return(status != 0 ? MagickTrue : MagickFalse);
4460 MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info)
4462 return(RenderMVGContent(image,draw_info,0));
4494 MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4498 property[MaxTextExtent];
4514 assert(image != (
Image *) NULL);
4515 assert(image->signature == MagickCoreSignature);
4516 assert(draw_info != (
const DrawInfo *) NULL);
4517 if (IsEventLogging() != MagickFalse)
4518 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4519 assert(name != (
const char *) NULL);
4520 (void) FormatLocaleString(property,MaxTextExtent,
"%s",name);
4521 path=GetImageArtifact(image,property);
4522 if (path == (
const char *) NULL)
4523 return(MagickFalse);
4524 (void) FormatLocaleString(property,MaxTextExtent,
"%s-geometry",name);
4525 geometry=GetImageArtifact(image,property);
4526 if (geometry == (
const char *) NULL)
4527 return(MagickFalse);
4528 if ((*pattern) != (
Image *) NULL)
4529 *pattern=DestroyImage(*pattern);
4530 image_info=AcquireImageInfo();
4531 image_info->size=AcquireString(geometry);
4532 *pattern=AcquireImage(image_info);
4533 image_info=DestroyImageInfo(image_info);
4534 (void) QueryColorDatabase(
"#00000000",&(*pattern)->background_color,
4536 (void) SetImageBackgroundColor(*pattern);
4537 if (draw_info->debug != MagickFalse)
4538 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4539 "begin pattern-path %s %s",name,geometry);
4540 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4541 if (clone_info->fill_pattern != (
Image *) NULL)
4542 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4543 if (clone_info->stroke_pattern != (
Image *) NULL)
4544 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4545 (void) FormatLocaleString(property,MaxTextExtent,
"%s-type",name);
4546 type=GetImageArtifact(image,property);
4547 if (type != (
const char *) NULL)
4548 clone_info->gradient.type=(GradientType) ParseCommandOption(
4549 MagickGradientOptions,MagickFalse,type);
4550 (void) CloneString(&clone_info->primitive,path);
4551 status=RenderMVGContent(*pattern,clone_info,0);
4552 clone_info=DestroyDrawInfo(clone_info);
4553 if (draw_info->debug != MagickFalse)
4554 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4592 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4594 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4595 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4596 return(polygon_info);
4603 *magick_restrict path_info;
4611 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4612 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4613 sizeof(*polygon_info));
4616 (void) ThrowMagickException(exception,GetMagickModule(),
4617 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4620 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4621 path_info=ConvertPrimitiveToPath(draw_info,primitive_info,exception);
4622 if (path_info == (
PathInfo *) NULL)
4623 return(DestroyPolygonTLS(polygon_info));
4624 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4627 (void) ThrowMagickException(exception,GetMagickModule(),
4628 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4629 return(DestroyPolygonTLS(polygon_info));
4631 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4632 return(polygon_info);
4635 static MagickBooleanType AcquirePolygonEdgesTLS(
PolygonInfo **polygon_info,
4641 for (i=1; i < (ssize_t) number_threads; i++)
4649 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4650 sizeof(*polygon_info[i]));
4653 (void) ThrowMagickException(exception,GetMagickModule(),
4654 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4655 return(MagickFalse);
4657 polygon_info[i]->number_edges=0;
4658 edge_info=polygon_info[0]->edges;
4659 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4660 polygon_info[0]->number_edges,
sizeof(*edge_info));
4661 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4663 (void) ThrowMagickException(exception,GetMagickModule(),
4664 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4665 return(MagickFalse);
4667 (void) memcpy(polygon_info[i]->edges,edge_info,
4668 polygon_info[0]->number_edges*
sizeof(*edge_info));
4669 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4670 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4671 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4672 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4674 edge_info=polygon_info[0]->edges+j;
4675 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4676 edge_info->number_points,
sizeof(*edge_info));
4677 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4679 (void) ThrowMagickException(exception,GetMagickModule(),
4680 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4681 return(MagickFalse);
4683 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4684 edge_info->number_points*
sizeof(*edge_info->points));
4690 static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4692 assert(edge < (ssize_t) polygon_info->number_edges);
4693 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4694 polygon_info->edges[edge].points);
4695 polygon_info->number_edges--;
4696 if (edge < (ssize_t) polygon_info->number_edges)
4697 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4698 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4699 return(polygon_info->number_edges);
4702 static double GetOpacityPixel(
PolygonInfo *polygon_info,
const double mid,
4703 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4704 const ssize_t y,
double *stroke_opacity)
4731 *stroke_opacity=0.0;
4732 subpath_opacity=0.0;
4733 p=polygon_info->edges;
4734 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4736 if ((
double) y <= (p->bounds.y1-mid-0.5))
4738 if ((
double) y > (p->bounds.y2+mid+0.5))
4741 (void) DestroyEdge(polygon_info,j--);
4744 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4745 ((double) x > (p->bounds.x2+mid+0.5)))
4747 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4748 for ( ; i < (ssize_t) p->number_points; i++)
4750 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4752 if ((
double) y > (p->points[i].y+mid+0.5))
4754 if (p->scanline != (
double) y)
4756 p->scanline=(double) y;
4757 p->highwater=(size_t) i;
4763 delta.x=(q+1)->x-q->x;
4764 delta.y=(q+1)->y-q->y;
4765 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4768 delta.x=(double) x-q->x;
4769 delta.y=(
double) y-q->y;
4770 distance=delta.x*delta.x+delta.y*delta.y;
4774 alpha=delta.x*delta.x+delta.y*delta.y;
4777 delta.x=(double) x-(q+1)->x;
4778 delta.y=(double) y-(q+1)->y;
4779 distance=delta.x*delta.x+delta.y*delta.y;
4783 alpha=PerceptibleReciprocal(alpha);
4784 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4785 distance=alpha*beta*beta;
4792 if (p->ghostline == MagickFalse)
4795 if ((*stroke_opacity < 1.0) &&
4796 (distance <= ((alpha+0.25)*(alpha+0.25))))
4799 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4800 *stroke_opacity=1.0;
4804 if (fabs(distance-1.0) >= MagickEpsilon)
4805 beta=sqrt((
double) distance);
4807 if (*stroke_opacity < ((alpha-0.25)*(alpha-0.25)))
4808 *stroke_opacity=(alpha-0.25)*(alpha-0.25);
4812 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_opacity >= 1.0))
4814 if (distance <= 0.0)
4816 subpath_opacity=1.0;
4821 if (fabs(beta) < MagickEpsilon)
4824 if (fabs(distance-1.0) >= MagickEpsilon)
4825 beta=sqrt(distance);
4828 if (subpath_opacity < (alpha*alpha))
4829 subpath_opacity=alpha*alpha;
4835 if (fill == MagickFalse)
4837 if (subpath_opacity >= 1.0)
4843 p=polygon_info->edges;
4844 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4846 if ((
double) y <= p->bounds.y1)
4848 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4850 if ((
double) x > p->bounds.x2)
4852 winding_number+=p->direction != 0 ? 1 : -1;
4855 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4856 for ( ; i < (ssize_t) (p->number_points-1); i++)
4857 if ((
double) y <= p->points[i].y)
4860 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4861 winding_number+=p->direction != 0 ? 1 : -1;
4863 if (fill_rule != NonZeroRule)
4865 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4869 if (MagickAbsoluteValue(winding_number) != 0)
4871 return(subpath_opacity);
4874 static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4877 typedef struct _ExtentInfo
4906 **magick_restrict polygon_info;
4921 assert(image != (
Image *) NULL);
4922 assert(image->signature == MagickCoreSignature);
4923 assert(draw_info != (
DrawInfo *) NULL);
4924 assert(draw_info->signature == MagickCoreSignature);
4926 if (IsEventLogging() != MagickFalse)
4927 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4928 if (primitive_info->coordinates <= 1)
4933 polygon_info=AcquirePolygonTLS(draw_info,primitive_info,&image->exception);
4935 return(MagickFalse);
4936 if (draw_info->debug != MagickFalse)
4937 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4938 fill=(primitive_info->method == FillToBorderMethod) ||
4939 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4940 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4941 bounds=polygon_info[0]->edges[0].bounds;
4942 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4943 if (IsStringTrue(artifact) != MagickFalse)
4944 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0]);
4945 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4947 p=polygon_info[0]->edges+i;
4948 if (p->bounds.x1 < bounds.x1)
4949 bounds.x1=p->bounds.x1;
4950 if (p->bounds.y1 < bounds.y1)
4951 bounds.y1=p->bounds.y1;
4952 if (p->bounds.x2 > bounds.x2)
4953 bounds.x2=p->bounds.x2;
4954 if (p->bounds.y2 > bounds.y2)
4955 bounds.y2=p->bounds.y2;
4957 bounds.x1-=(mid+1.0);
4958 bounds.y1-=(mid+1.0);
4959 bounds.x2+=(mid+1.0);
4960 bounds.y2+=(mid+1.0);
4961 if ((bounds.x1 >= (
double) image->columns) ||
4962 (bounds.y1 >= (
double) image->rows) ||
4963 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
4965 polygon_info=DestroyPolygonTLS(polygon_info);
4968 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
4969 (
double) image->columns-1.0 : bounds.x1;
4970 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
4971 (
double) image->rows-1.0 : bounds.y1;
4972 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
4973 (
double) image->columns-1.0 : bounds.x2;
4974 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
4975 (
double) image->rows-1.0 : bounds.y2;
4976 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
4977 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
4978 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
4979 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
4980 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
4981 poly_extent.y1+1,1);
4982 status=AcquirePolygonEdgesTLS(polygon_info,number_threads,&image->exception);
4983 if (status == MagickFalse)
4985 polygon_info=DestroyPolygonTLS(polygon_info);
4989 exception=(&image->exception);
4990 image_view=AcquireAuthenticCacheView(image,exception);
4991 if ((primitive_info->coordinates == 1) ||
4992 (polygon_info[0]->number_edges == 0))
4997 #if defined(MAGICKCORE_OPENMP_SUPPORT)
4998 #pragma omp parallel for schedule(static) shared(status) \
4999 num_threads(number_threads)
5001 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5012 if (status == MagickFalse)
5015 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5022 for ( ; x <= poly_extent.x2; x++)
5024 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5025 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5026 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,q);
5029 sync=SyncCacheViewAuthenticPixels(image_view,exception);
5030 if (sync == MagickFalse)
5033 image_view=DestroyCacheView(image_view);
5034 polygon_info=DestroyPolygonTLS(polygon_info);
5035 if (draw_info->debug != MagickFalse)
5036 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5037 " end draw-polygon");
5043 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5044 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5045 #if defined(MAGICKCORE_OPENMP_SUPPORT)
5046 #pragma omp parallel for schedule(static) shared(status) \
5047 num_threads(number_threads)
5049 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5052 id = GetOpenMPThreadId();
5064 if (status == MagickFalse)
5066 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5067 (poly_extent.x2-poly_extent.x1+1),1,exception);
5073 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5082 fill_opacity=GetOpacityPixel(polygon_info[
id],mid,fill,
5083 draw_info->fill_rule,x,y,&stroke_opacity);
5084 if (draw_info->stroke_antialias == MagickFalse)
5086 fill_opacity=fill_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5087 stroke_opacity=stroke_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5089 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5091 fill_opacity=(double) (QuantumRange-fill_opacity*(QuantumRange-
5092 fill_color.opacity));
5093 MagickCompositeOver(&fill_color,(MagickRealType) fill_opacity,q,
5094 (MagickRealType) q->opacity,q);
5095 (void) GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5097 stroke_opacity=(double) (QuantumRange-stroke_opacity*(QuantumRange-
5098 stroke_color.opacity));
5099 MagickCompositeOver(&stroke_color,(MagickRealType) stroke_opacity,q,
5100 (MagickRealType) q->opacity,q);
5103 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5106 image_view=DestroyCacheView(image_view);
5107 polygon_info=DestroyPolygonTLS(polygon_info);
5108 if (draw_info->debug != MagickFalse)
5109 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5140 static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5166 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5167 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5168 switch (primitive_info->primitive)
5170 case PointPrimitive:
5172 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5173 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5174 methods[primitive_info->method]);
5177 case ColorPrimitive:
5179 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5180 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5181 methods[primitive_info->method]);
5184 case MattePrimitive:
5186 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5187 "MattePrimitive %.20g,%.20g %s",(double) x,(
double) y,
5188 methods[primitive_info->method]);
5193 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5194 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5197 case ImagePrimitive:
5199 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5200 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5207 p=primitive_info[0].point;
5210 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5212 point=primitive_info[i].point;
5213 if (coordinates <= 0)
5215 coordinates=(ssize_t) primitive_info[i].coordinates;
5216 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5217 " begin open (%.20g)",(double) coordinates);
5220 point=primitive_info[i].point;
5221 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5222 (fabs(q.y-point.y) >= MagickEpsilon))
5223 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5224 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5226 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5227 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5230 if (coordinates > 0)
5232 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5233 (fabs(p.y-point.y) >= MagickEpsilon))
5234 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5235 (double) coordinates);
5237 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5238 (
double) coordinates);
5242 MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5261 if (draw_info->debug != MagickFalse)
5263 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5264 " begin draw-primitive");
5265 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5266 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5267 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5268 draw_info->affine.tx,draw_info->affine.ty);
5270 exception=(&image->exception);
5272 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5273 ((IsPixelGray(&draw_info->fill) == MagickFalse) ||
5274 (IsPixelGray(&draw_info->stroke) == MagickFalse)))
5275 status=SetImageColorspace(image,sRGBColorspace);
5276 if (draw_info->compliance == SVGCompliance)
5278 status&=SetImageClipMask(image,draw_info->clipping_mask);
5279 status&=SetImageMask(image,draw_info->composite_mask);
5281 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5282 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5283 image_view=AcquireAuthenticCacheView(image,exception);
5284 switch (primitive_info->primitive)
5286 case ColorPrimitive:
5288 switch (primitive_info->method)
5296 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5299 (void) GetFillColor(draw_info,x,y,q);
5300 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5308 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5309 for (y=0; y < (ssize_t) image->rows; y++)
5314 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5318 for (x=0; x < (ssize_t) image->columns; x++)
5320 if (IsColorSimilar(image,q,&target) == MagickFalse)
5325 (void) GetFillColor(draw_info,x,y,q);
5328 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5329 if (status == MagickFalse)
5334 case FloodfillMethod:
5335 case FillToBorderMethod:
5340 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5341 if (primitive_info->method == FillToBorderMethod)
5343 target.red=(MagickRealType) draw_info->border_color.red;
5344 target.green=(MagickRealType) draw_info->border_color.green;
5345 target.blue=(MagickRealType) draw_info->border_color.blue;
5347 status&=FloodfillPaintImage(image,DefaultChannels,draw_info,&target,x,
5348 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5354 for (y=0; y < (ssize_t) image->rows; y++)
5362 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5366 for (x=0; x < (ssize_t) image->columns; x++)
5368 (void) GetFillColor(draw_info,x,y,q);
5371 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5372 if (status == MagickFalse)
5380 case MattePrimitive:
5382 if (image->matte == MagickFalse)
5383 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel);
5384 switch (primitive_info->method)
5395 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5398 (void) GetFillColor(draw_info,x,y,&pixel);
5399 SetPixelOpacity(q,pixel.opacity);
5400 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5409 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5410 for (y=0; y < (ssize_t) image->rows; y++)
5418 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5422 for (x=0; x < (ssize_t) image->columns; x++)
5424 if (IsColorSimilar(image,q,&target) == MagickFalse)
5429 (void) GetFillColor(draw_info,x,y,&pixel);
5430 SetPixelOpacity(q,pixel.opacity);
5433 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5434 if (status == MagickFalse)
5439 case FloodfillMethod:
5440 case FillToBorderMethod:
5445 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5446 if (primitive_info->method == FillToBorderMethod)
5448 target.red=(MagickRealType) draw_info->border_color.red;
5449 target.green=(MagickRealType) draw_info->border_color.green;
5450 target.blue=(MagickRealType) draw_info->border_color.blue;
5452 status&=FloodfillPaintImage(image,OpacityChannel,draw_info,&target,x,
5453 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5462 for (y=0; y < (ssize_t) image->rows; y++)
5470 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5474 for (x=0; x < (ssize_t) image->columns; x++)
5476 (void) GetFillColor(draw_info,x,y,&pixel);
5477 SetPixelOpacity(q,pixel.opacity);
5480 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5481 if (status == MagickFalse)
5489 case ImagePrimitive:
5495 composite_geometry[MaxTextExtent];
5511 if (primitive_info->text == (
char *) NULL)
5513 clone_info=AcquireImageInfo();
5514 composite_images=(
Image *) NULL;
5515 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5516 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5519 if (*primitive_info->text !=
'\0')
5533 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5535 (void) SetImageInfo(clone_info,1,exception);
5536 magick_info=GetMagickInfo(clone_info->magick,exception);
5537 if ((magick_info != (
const MagickInfo*) NULL) &&
5538 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5540 (void) ThrowMagickException(exception,GetMagickModule(),
5541 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5542 clone_info->filename);
5543 clone_info=DestroyImageInfo(clone_info);
5546 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5548 if (clone_info->size != (
char *) NULL)
5549 clone_info->size=DestroyString(clone_info->size);
5550 if (clone_info->extract != (
char *) NULL)
5551 clone_info->extract=DestroyString(clone_info->extract);
5552 path_status=GetPathAttributes(clone_info->filename,&attributes);
5553 if (path_status != MagickFalse)
5555 if (S_ISCHR(attributes.st_mode) == 0)
5556 composite_images=ReadImage(clone_info,exception);
5558 (
void) ThrowMagickException(exception,GetMagickModule(),
5559 FileOpenError,
"UnableToOpenFile",
"`%s'",
5560 clone_info->filename);
5563 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5564 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5565 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5566 (LocaleCompare(clone_info->magick,
"vid") != 0))
5567 composite_images=ReadImage(clone_info,exception);
5569 (
void) ThrowMagickException(exception,GetMagickModule(),
5570 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5572 clone_info=DestroyImageInfo(clone_info);
5573 if (composite_images == (
Image *) NULL)
5578 composite_image=RemoveFirstImageFromList(&composite_images);
5579 composite_images=DestroyImageList(composite_images);
5580 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5581 NULL,(
void *) NULL);
5582 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5583 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5584 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5585 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5588 geometry[MaxTextExtent];
5593 (void) FormatLocaleString(geometry,MaxTextExtent,
"%gx%g!",
5594 primitive_info[1].point.x,primitive_info[1].point.y);
5595 composite_image->filter=image->filter;
5596 status&=TransformImage(&composite_image,(
char *) NULL,geometry);
5598 if (composite_image->matte == MagickFalse)
5599 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel);
5600 if (draw_info->opacity != OpaqueOpacity)
5601 status&=SetImageOpacity(composite_image,draw_info->opacity);
5602 SetGeometry(image,&geometry);
5603 image->gravity=draw_info->gravity;
5606 (void) FormatLocaleString(composite_geometry,MaxTextExtent,
5607 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5608 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5609 (void) ParseGravityGeometry(image,composite_geometry,&geometry,
5611 affine=draw_info->affine;
5612 affine.tx=(double) geometry.x;
5613 affine.ty=(
double) geometry.y;
5614 composite_image->interpolate=image->interpolate;
5615 if ((draw_info->compose == OverCompositeOp) ||
5616 (draw_info->compose == SrcOverCompositeOp))
5617 status&=DrawAffineImage(image,composite_image,&affine);
5619 status&=CompositeImage(image,draw_info->compose,composite_image,
5620 geometry.x,geometry.y);
5621 composite_image=DestroyImage(composite_image);
5624 case PointPrimitive:
5632 if ((y < 0) || (y >= (ssize_t) image->rows))
5634 if ((x < 0) || (x >= (ssize_t) image->columns))
5636 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5639 (void) GetFillColor(draw_info,x,y,&fill_color);
5640 MagickCompositeOver(&fill_color,(MagickRealType) fill_color.opacity,q,
5641 (MagickRealType) q->opacity,q);
5642 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5648 geometry[MaxTextExtent];
5653 if (primitive_info->text == (
char *) NULL)
5655 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5656 (void) CloneString(&clone_info->text,primitive_info->text);
5657 (void) FormatLocaleString(geometry,MaxTextExtent,
"%+f%+f",
5658 primitive_info->point.x,primitive_info->point.y);
5659 (void) CloneString(&clone_info->geometry,geometry);
5660 status&=AnnotateImage(image,clone_info);
5661 clone_info=DestroyDrawInfo(clone_info);
5673 if (IsEventLogging() != MagickFalse)
5674 LogPrimitiveInfo(primitive_info);
5675 scale=ExpandAffine(&draw_info->affine);
5676 if ((draw_info->dash_pattern != (
double *) NULL) &&
5677 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5678 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5679 (draw_info->stroke.opacity != (Quantum) TransparentOpacity))
5684 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5685 clone_info->stroke_width=0.0;
5686 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5687 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5688 clone_info=DestroyDrawInfo(clone_info);
5689 if (status != MagickFalse)
5690 status&=DrawDashPolygon(draw_info,primitive_info,image);
5693 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5695 ((draw_info->stroke.opacity != (Quantum) TransparentOpacity) ||
5696 (draw_info->stroke_pattern != (
Image *) NULL)))
5708 closed_path=primitive_info[0].closed_subpath;
5709 i=(ssize_t) primitive_info[0].coordinates;
5710 x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5711 y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5712 if ((x < MagickEpsilon) && (y < MagickEpsilon))
5713 closed_path=MagickTrue;
5714 if ((((draw_info->linecap == RoundCap) ||
5715 (closed_path != MagickFalse)) &&
5716 (draw_info->linejoin == RoundJoin)) ||
5717 (primitive_info[i].primitive != UndefinedPrimitive))
5719 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5722 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5723 clone_info->stroke_width=0.0;
5724 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5725 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5726 clone_info=DestroyDrawInfo(clone_info);
5727 if (status != MagickFalse)
5728 status&=DrawStrokePolygon(image,draw_info,primitive_info);
5731 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5735 image_view=DestroyCacheView(image_view);
5736 if (draw_info->compliance == SVGCompliance)
5738 status&=SetImageClipMask(image,(
Image *) NULL);
5739 status&=SetImageMask(image,(
Image *) NULL);
5741 if (draw_info->debug != MagickFalse)
5742 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5743 return(status != 0 ? MagickTrue : MagickFalse);
5776 static MagickBooleanType DrawRoundLinecap(
Image *image,
5785 for (i=0; i < 4; i++)
5786 linecap[i]=(*primitive_info);
5787 linecap[0].coordinates=4;
5788 linecap[1].point.x+=2.0*MagickEpsilon;
5789 linecap[2].point.x+=2.0*MagickEpsilon;
5790 linecap[2].point.y+=2.0*MagickEpsilon;
5791 linecap[3].point.y+=2.0*MagickEpsilon;
5792 linecap[4].primitive=UndefinedPrimitive;
5793 return(DrawPolygonPrimitive(image,draw_info,linecap));
5796 static MagickBooleanType DrawStrokePolygon(
Image *image,
5818 if (draw_info->debug != MagickFalse)
5819 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5820 " begin draw-stroke-polygon");
5821 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5822 clone_info->fill=draw_info->stroke;
5823 if (clone_info->fill_pattern != (
Image *) NULL)
5824 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5825 if (clone_info->stroke_pattern != (
Image *) NULL)
5826 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5827 MagickTrue,&clone_info->stroke_pattern->exception);
5828 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5829 clone_info->stroke_width=0.0;
5830 clone_info->fill_rule=NonZeroRule;
5832 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=p->coordinates)
5834 if (p->coordinates == 1)
5836 stroke_polygon=TraceStrokePolygon(draw_info,p,&image->exception);
5842 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon);
5843 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5846 q=p+p->coordinates-1;
5847 closed_path=p->closed_subpath;
5848 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5850 status&=DrawRoundLinecap(image,draw_info,p);
5851 status&=DrawRoundLinecap(image,draw_info,q);
5854 clone_info=DestroyDrawInfo(clone_info);
5855 if (draw_info->debug != MagickFalse)
5856 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5857 " end draw-stroke-polygon");
5858 return(status != 0 ? MagickTrue : MagickFalse);
5884 MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5887 if (IsEventLogging() != MagickFalse)
5888 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5889 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5890 affine_matrix->sx=1.0;
5891 affine_matrix->sy=1.0;
5932 assert(draw_info != (
DrawInfo *) NULL);
5933 if (IsEventLogging() != MagickFalse)
5934 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5935 (void) memset(draw_info,0,
sizeof(*draw_info));
5936 draw_info->image_info=CloneImageInfo(image_info);
5937 GetAffineMatrix(&draw_info->affine);
5938 exception=AcquireExceptionInfo();
5939 (void) QueryColorDatabase(
"#000F",&draw_info->fill,exception);
5940 (void) QueryColorDatabase(
"#FFF0",&draw_info->stroke,exception);
5941 draw_info->stroke_antialias=draw_info->image_info->antialias;
5942 draw_info->stroke_width=1.0;
5943 draw_info->fill_rule=EvenOddRule;
5944 draw_info->opacity=OpaqueOpacity;
5945 draw_info->fill_opacity=OpaqueOpacity;
5946 draw_info->stroke_opacity=OpaqueOpacity;
5947 draw_info->linecap=ButtCap;
5948 draw_info->linejoin=MiterJoin;
5949 draw_info->miterlimit=10;
5950 draw_info->decorate=NoDecoration;
5951 if (draw_info->image_info->font != (
char *) NULL)
5952 draw_info->font=AcquireString(draw_info->image_info->font);
5953 if (draw_info->image_info->density != (
char *) NULL)
5954 draw_info->density=AcquireString(draw_info->image_info->density);
5955 draw_info->text_antialias=draw_info->image_info->antialias;
5956 draw_info->pointsize=12.0;
5957 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
5958 draw_info->pointsize=draw_info->image_info->pointsize;
5959 draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
5960 draw_info->border_color=draw_info->image_info->border_color;
5961 draw_info->compose=OverCompositeOp;
5962 if (draw_info->image_info->server_name != (
char *) NULL)
5963 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
5964 draw_info->render=MagickTrue;
5965 draw_info->clip_path=MagickFalse;
5966 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
5967 MagickTrue : MagickFalse;
5968 option=GetImageOption(draw_info->image_info,
"direction");
5969 if (option != (
const char *) NULL)
5970 draw_info->direction=(DirectionType) ParseCommandOption(
5971 MagickDirectionOptions,MagickFalse,option);
5973 draw_info->direction=UndefinedDirection;
5974 option=GetImageOption(draw_info->image_info,
"encoding");
5975 if (option != (
const char *) NULL)
5976 (void) CloneString(&draw_info->encoding,option);
5977 option=GetImageOption(draw_info->image_info,
"family");
5978 if (option != (
const char *) NULL)
5979 (void) CloneString(&draw_info->family,option);
5980 option=GetImageOption(draw_info->image_info,
"fill");
5981 if (option != (
const char *) NULL)
5982 (void) QueryColorDatabase(option,&draw_info->fill,exception);
5983 option=GetImageOption(draw_info->image_info,
"gravity");
5984 if (option != (
const char *) NULL)
5985 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
5986 MagickFalse,option);
5987 option=GetImageOption(draw_info->image_info,
"interline-spacing");
5988 if (option != (
const char *) NULL)
5989 draw_info->interline_spacing=GetDrawValue(option,&next_token);
5990 option=GetImageOption(draw_info->image_info,
"interword-spacing");
5991 if (option != (
const char *) NULL)
5992 draw_info->interword_spacing=GetDrawValue(option,&next_token);
5993 option=GetImageOption(draw_info->image_info,
"kerning");
5994 if (option != (
const char *) NULL)
5995 draw_info->kerning=GetDrawValue(option,&next_token);
5996 option=GetImageOption(draw_info->image_info,
"stroke");
5997 if (option != (
const char *) NULL)
5998 (void) QueryColorDatabase(option,&draw_info->stroke,exception);
5999 option=GetImageOption(draw_info->image_info,
"strokewidth");
6000 if (option != (
const char *) NULL)
6001 draw_info->stroke_width=GetDrawValue(option,&next_token);
6002 option=GetImageOption(draw_info->image_info,
"style");
6003 if (option != (
const char *) NULL)
6004 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6005 MagickFalse,option);
6006 option=GetImageOption(draw_info->image_info,
"undercolor");
6007 if (option != (
const char *) NULL)
6008 (void) QueryColorDatabase(option,&draw_info->undercolor,exception);
6009 option=GetImageOption(draw_info->image_info,
"weight");
6010 if (option != (
const char *) NULL)
6015 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6017 weight=(ssize_t) StringToUnsignedLong(option);
6018 draw_info->weight=(size_t) weight;
6020 exception=DestroyExceptionInfo(exception);
6021 draw_info->signature=MagickCoreSignature;
6049 static inline double Permutate(
const ssize_t n,
const ssize_t k)
6058 for (i=k+1; i <= n; i++)
6060 for (i=1; i <= (n-k); i++)
6088 center.x=0.5*(end.x+start.x);
6089 center.y=0.5*(end.y+start.y);
6090 radius.x=fabs(center.x-start.x);
6091 radius.y=fabs(center.y-start.y);
6092 return(TraceEllipse(mvg_info,center,radius,degrees));
6095 static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6097 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6134 offset=mvg_info->offset;
6135 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6136 primitive_info->coordinates=0;
6137 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6138 (fabs(start.y-end.y) < MagickEpsilon))
6139 return(TracePoint(primitive_info,end));
6140 radii.x=fabs(arc.x);
6141 radii.y=fabs(arc.y);
6142 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6143 return(TraceLine(primitive_info,start,end));
6144 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6145 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6146 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6147 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6148 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6150 if (delta < MagickEpsilon)
6151 return(TraceLine(primitive_info,start,end));
6154 radii.x*=sqrt((
double) delta);
6155 radii.y*=sqrt((
double) delta);
6157 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6158 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6159 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6160 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6161 alpha=points[1].x-points[0].x;
6162 beta=points[1].y-points[0].y;
6163 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6164 return(TraceLine(primitive_info,start,end));
6165 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6170 factor=sqrt((
double) factor);
6171 if (sweep == large_arc)
6174 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6175 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6176 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6177 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6178 if ((theta < 0.0) && (sweep != MagickFalse))
6179 theta+=2.0*MagickPI;
6181 if ((theta > 0.0) && (sweep == MagickFalse))
6182 theta-=2.0*MagickPI;
6183 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6184 MagickPI+MagickEpsilon)))));
6187 for (i=0; i < (ssize_t) arc_segments; i++)
6189 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6190 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6191 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6192 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6193 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6194 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6195 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6196 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6197 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6198 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6199 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6200 theta/arc_segments),DegreesToRadians(360.0))));
6201 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6202 theta/arc_segments),DegreesToRadians(360.0))));
6203 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6204 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6205 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6206 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6207 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6208 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6209 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6211 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6213 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6215 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6217 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6219 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6221 if (i == (ssize_t) (arc_segments-1))
6223 status&=TraceBezier(mvg_info,4);
6226 p=(*mvg_info->primitive_info)+mvg_info->offset;
6227 mvg_info->offset+=p->coordinates;
6231 return(MagickFalse);
6232 mvg_info->offset=offset;
6233 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6234 primitive_info->coordinates=(
size_t) (p-primitive_info);
6235 primitive_info->closed_subpath=MagickFalse;
6236 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6238 p->primitive=primitive_info->primitive;
6244 static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6245 const size_t number_coordinates)
6274 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6275 quantum=number_coordinates;
6276 for (i=0; i < (ssize_t) number_coordinates; i++)
6278 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6280 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6281 if (alpha > (
double) MAGICK_SSIZE_MAX)
6283 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6284 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6285 return(MagickFalse);
6287 if (alpha > (
double) quantum)
6288 quantum=(
size_t) alpha;
6289 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6290 if (alpha > (
double) MAGICK_SSIZE_MAX)
6292 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6293 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6294 return(MagickFalse);
6296 if (alpha > (
double) quantum)
6297 quantum=(
size_t) alpha;
6300 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6301 sizeof(*coefficients));
6302 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6303 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6305 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6308 points=(
PointInfo *) RelinquishMagickMemory(points);
6309 if (coefficients != (
double *) NULL)
6310 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6311 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6312 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6313 return(MagickFalse);
6315 control_points=quantum*number_coordinates;
6316 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6318 points=(
PointInfo *) RelinquishMagickMemory(points);
6319 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6320 return(MagickFalse);
6322 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6326 end=primitive_info[number_coordinates-1].point;
6327 for (i=0; i < (ssize_t) number_coordinates; i++)
6328 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6330 for (i=0; i < (ssize_t) control_points; i++)
6335 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6336 for (j=0; j < (ssize_t) number_coordinates; j++)
6338 point.x+=alpha*coefficients[j]*p->point.x;
6339 point.y+=alpha*coefficients[j]*p->point.y;
6340 alpha*=weight/(1.0-weight);
6344 weight+=1.0/control_points;
6350 for (i=0; i < (ssize_t) control_points; i++)
6352 if (TracePoint(p,points[i]) == MagickFalse)
6354 points=(
PointInfo *) RelinquishMagickMemory(points);
6355 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6356 return(MagickFalse);
6360 if (TracePoint(p,end) == MagickFalse)
6362 points=(
PointInfo *) RelinquishMagickMemory(points);
6363 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6364 return(MagickFalse);
6367 primitive_info->coordinates=(size_t) (p-primitive_info);
6368 primitive_info->closed_subpath=MagickFalse;
6369 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6371 p->primitive=primitive_info->primitive;
6374 points=(
PointInfo *) RelinquishMagickMemory(points);
6375 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6379 static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6391 alpha=end.x-start.x;
6393 radius=hypot((
double) alpha,(
double) beta);
6394 offset.x=(double) radius;
6395 offset.y=(double) radius;
6398 return(TraceEllipse(mvg_info,start,offset,degrees));
6401 static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6427 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6428 primitive_info->coordinates=0;
6429 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6431 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6433 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6434 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6435 angle.x=DegreesToRadians(arc.x);
6439 angle.y=DegreesToRadians(y);
6440 coordinates=ceil((angle.y-angle.x)/step+1.0);
6441 if (CheckPrimitiveExtent(mvg_info,coordinates) == MagickFalse)
6442 return(MagickFalse);
6443 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6444 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6446 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6447 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6448 if (TracePoint(p,point) == MagickFalse)
6449 return(MagickFalse);
6452 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6453 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6454 if (TracePoint(p,point) == MagickFalse)
6455 return(MagickFalse);
6457 primitive_info->coordinates=(size_t) (p-primitive_info);
6458 primitive_info->closed_subpath=MagickFalse;
6459 x=fabs(primitive_info[0].point.x-
6460 primitive_info[primitive_info->coordinates-1].point.x);
6461 y=fabs(primitive_info[0].point.y-
6462 primitive_info[primitive_info->coordinates-1].point.y);
6463 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6464 primitive_info->closed_subpath=MagickTrue;
6465 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6467 p->primitive=primitive_info->primitive;
6473 static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6476 if (TracePoint(primitive_info,start) == MagickFalse)
6477 return(MagickFalse);
6478 if (TracePoint(primitive_info+1,end) == MagickFalse)
6479 return(MagickFalse);
6480 (primitive_info+1)->primitive=primitive_info->primitive;
6481 primitive_info->coordinates=2;
6482 primitive_info->closed_subpath=MagickFalse;
6486 static ssize_t TracePath(
Image *image,
MVGInfo *mvg_info,
const char *path)
6490 token[MaxTextExtent] =
"";
6508 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6531 subpath_offset=mvg_info->offset;
6532 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6535 number_coordinates=0;
6538 primitive_type=primitive_info->primitive;
6540 for (p=path; *p !=
'\0'; )
6542 if (status == MagickFalse)
6544 while (isspace((
int) ((
unsigned char) *p)) != 0)
6548 last_attribute=attribute;
6549 attribute=(int) (*p++);
6559 large_arc = MagickFalse,
6560 sweep = MagickFalse;
6570 (void) GetNextToken(p,&p,MaxTextExtent,token);
6572 (void) GetNextToken(p,&p,MaxTextExtent,token);
6573 arc.x=GetDrawValue(token,&next_token);
6574 if (token == next_token)
6575 ThrowPointExpectedException(image,token);
6576 (void) GetNextToken(p,&p,MaxTextExtent,token);
6578 (void) GetNextToken(p,&p,MaxTextExtent,token);
6579 arc.y=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 angle=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 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6592 (void) GetNextToken(p,&p,MaxTextExtent,token);
6594 (void) GetNextToken(p,&p,MaxTextExtent,token);
6595 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6597 (void) GetNextToken(p,&p,MaxTextExtent,token);
6598 (void) GetNextToken(p,&p,MaxTextExtent,token);
6600 (void) GetNextToken(p,&p,MaxTextExtent,token);
6601 x=GetDrawValue(token,&next_token);
6602 if (token == next_token)
6603 ThrowPointExpectedException(image,token);
6604 (void) GetNextToken(p,&p,MaxTextExtent,token);
6606 (void) GetNextToken(p,&p,MaxTextExtent,token);
6607 y=GetDrawValue(token,&next_token);
6608 if (token == next_token)
6609 ThrowPointExpectedException(image,token);
6610 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6611 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6612 status&=TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep);
6613 q=(*mvg_info->primitive_info)+mvg_info->offset;
6614 mvg_info->offset+=q->coordinates;
6617 while (isspace((
int) ((
unsigned char) *p)) != 0)
6621 }
while (IsPoint(p) != MagickFalse);
6633 for (i=1; i < 4; i++)
6635 (void) GetNextToken(p,&p,MaxTextExtent,token);
6637 (void) GetNextToken(p,&p,MaxTextExtent,token);
6638 x=GetDrawValue(token,&next_token);
6639 if (token == next_token)
6640 ThrowPointExpectedException(image,token);
6641 (void) GetNextToken(p,&p,MaxTextExtent,token);
6643 (void) GetNextToken(p,&p,MaxTextExtent,token);
6644 y=GetDrawValue(token,&next_token);
6645 if (token == next_token)
6646 ThrowPointExpectedException(image,token);
6647 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6648 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6651 for (i=0; i < 4; i++)
6652 (q+i)->point=points[i];
6653 if (TraceBezier(mvg_info,4) == MagickFalse)
6655 q=(*mvg_info->primitive_info)+mvg_info->offset;
6656 mvg_info->offset+=q->coordinates;
6659 while (isspace((
int) ((
unsigned char) *p)) != 0)
6663 }
while (IsPoint(p) != MagickFalse);
6671 (void) GetNextToken(p,&p,MaxTextExtent,token);
6673 (void) GetNextToken(p,&p,MaxTextExtent,token);
6674 x=GetDrawValue(token,&next_token);
6675 if (token == next_token)
6676 ThrowPointExpectedException(image,token);
6677 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6678 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6680 q=(*mvg_info->primitive_info)+mvg_info->offset;
6681 if (TracePoint(q,point) == MagickFalse)
6683 mvg_info->offset+=q->coordinates;
6685 while (isspace((
int) ((
unsigned char) *p)) != 0)
6689 }
while (IsPoint(p) != MagickFalse);
6700 (void) GetNextToken(p,&p,MaxTextExtent,token);
6702 (void) GetNextToken(p,&p,MaxTextExtent,token);
6703 x=GetDrawValue(token,&next_token);
6704 if (token == next_token)
6705 ThrowPointExpectedException(image,token);
6706 (void) GetNextToken(p,&p,MaxTextExtent,token);
6708 (void) GetNextToken(p,&p,MaxTextExtent,token);
6709 y=GetDrawValue(token,&next_token);
6710 if (token == next_token)
6711 ThrowPointExpectedException(image,token);
6712 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6713 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6714 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6716 q=(*mvg_info->primitive_info)+mvg_info->offset;
6717 if (TracePoint(q,point) == MagickFalse)
6719 mvg_info->offset+=q->coordinates;
6721 while (isspace((
int) ((
unsigned char) *p)) != 0)
6725 }
while (IsPoint(p) != MagickFalse);
6734 if (mvg_info->offset != subpath_offset)
6736 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6737 primitive_info->coordinates=(size_t) (q-primitive_info);
6738 number_coordinates+=primitive_info->coordinates;
6740 subpath_offset=mvg_info->offset;
6745 (void) GetNextToken(p,&p,MaxTextExtent,token);
6747 (void) GetNextToken(p,&p,MaxTextExtent,token);
6748 x=GetDrawValue(token,&next_token);
6749 if (token == next_token)
6750 ThrowPointExpectedException(image,token);
6751 (void) GetNextToken(p,&p,MaxTextExtent,token);
6753 (void) GetNextToken(p,&p,MaxTextExtent,token);
6754 y=GetDrawValue(token,&next_token);
6755 if (token == next_token)
6756 ThrowPointExpectedException(image,token);
6757 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6758 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6762 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6764 q=(*mvg_info->primitive_info)+mvg_info->offset;
6765 if (TracePoint(q,point) == MagickFalse)
6767 mvg_info->offset+=q->coordinates;
6769 while (isspace((
int) ((
unsigned char) *p)) != 0)
6773 }
while (IsPoint(p) != MagickFalse);
6785 for (i=1; i < 3; i++)
6787 (void) GetNextToken(p,&p,MaxTextExtent,token);
6789 (void) GetNextToken(p,&p,MaxTextExtent,token);
6790 x=GetDrawValue(token,&next_token);
6791 if (token == next_token)
6792 ThrowPointExpectedException(image,token);
6793 (void) GetNextToken(p,&p,MaxTextExtent,token);
6795 (void) GetNextToken(p,&p,MaxTextExtent,token);
6796 y=GetDrawValue(token,&next_token);
6797 if (token == next_token)
6798 ThrowPointExpectedException(image,token);
6801 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6802 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6805 for (i=0; i < 3; i++)
6806 (q+i)->point=points[i];
6807 if (TraceBezier(mvg_info,3) == MagickFalse)
6809 q=(*mvg_info->primitive_info)+mvg_info->offset;
6810 mvg_info->offset+=q->coordinates;
6813 while (isspace((
int) ((
unsigned char) *p)) != 0)
6817 }
while (IsPoint(p) != MagickFalse);
6828 points[0]=points[3];
6829 points[1].x=2.0*points[3].x-points[2].x;
6830 points[1].y=2.0*points[3].y-points[2].y;
6831 for (i=2; i < 4; i++)
6833 (void) GetNextToken(p,&p,MaxTextExtent,token);
6835 (void) GetNextToken(p,&p,MaxTextExtent,token);
6836 x=GetDrawValue(token,&next_token);
6837 if (token == next_token)
6838 ThrowPointExpectedException(image,token);
6839 (void) GetNextToken(p,&p,MaxTextExtent,token);
6841 (void) GetNextToken(p,&p,MaxTextExtent,token);
6842 y=GetDrawValue(token,&next_token);
6843 if (token == next_token)
6844 ThrowPointExpectedException(image,token);
6847 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6848 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6851 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6856 for (i=0; i < 4; i++)
6857 (q+i)->point=points[i];
6858 if (TraceBezier(mvg_info,4) == MagickFalse)
6860 q=(*mvg_info->primitive_info)+mvg_info->offset;
6861 mvg_info->offset+=q->coordinates;
6864 last_attribute=attribute;
6865 while (isspace((
int) ((
unsigned char) *p)) != 0)
6869 }
while (IsPoint(p) != MagickFalse);
6880 points[0]=points[2];
6881 points[1].x=2.0*points[2].x-points[1].x;
6882 points[1].y=2.0*points[2].y-points[1].y;
6883 for (i=2; i < 3; i++)
6885 (void) GetNextToken(p,&p,MaxTextExtent,token);
6887 (void) GetNextToken(p,&p,MaxTextExtent,token);
6888 x=GetDrawValue(token,&next_token);
6889 if (token == next_token)
6890 ThrowPointExpectedException(image,token);
6891 (void) GetNextToken(p,&p,MaxTextExtent,token);
6893 (void) GetNextToken(p,&p,MaxTextExtent,token);
6894 y=GetDrawValue(token,&next_token);
6895 if (token == next_token)
6896 ThrowPointExpectedException(image,token);
6897 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6898 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6901 if (status == MagickFalse)
6903 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6908 for (i=0; i < 3; i++)
6909 (q+i)->point=points[i];
6910 if (TraceBezier(mvg_info,3) == MagickFalse)
6912 q=(*mvg_info->primitive_info)+mvg_info->offset;
6913 mvg_info->offset+=q->coordinates;
6916 last_attribute=attribute;
6917 while (isspace((
int) ((
unsigned char) *p)) != 0)
6921 }
while (IsPoint(p) != MagickFalse);
6932 (void) GetNextToken(p,&p,MaxTextExtent,token);
6934 (void) GetNextToken(p,&p,MaxTextExtent,token);
6935 y=GetDrawValue(token,&next_token);
6936 if (token == next_token)
6937 ThrowPointExpectedException(image,token);
6938 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
6939 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6941 q=(*mvg_info->primitive_info)+mvg_info->offset;
6942 if (TracePoint(q,point) == MagickFalse)
6944 mvg_info->offset+=q->coordinates;
6946 while (isspace((
int) ((
unsigned char) *p)) != 0)
6950 }
while (IsPoint(p) != MagickFalse);
6960 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6962 q=(*mvg_info->primitive_info)+mvg_info->offset;
6963 if (TracePoint(q,point) == MagickFalse)
6965 mvg_info->offset+=q->coordinates;
6967 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6968 primitive_info->coordinates=(size_t) (q-primitive_info);
6969 primitive_info->closed_subpath=MagickTrue;
6970 number_coordinates+=primitive_info->coordinates;
6972 subpath_offset=mvg_info->offset;
6978 ThrowPointExpectedException(image,token);
6983 if (status == MagickFalse)
6985 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6986 primitive_info->coordinates=(size_t) (q-primitive_info);
6987 number_coordinates+=primitive_info->coordinates;
6988 for (i=0; i < (ssize_t) number_coordinates; i++)
6991 q->primitive=primitive_type;
6993 q->method=FillToBorderMethod;
6996 return((ssize_t) number_coordinates);
6999 static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7012 if (TracePoint(p,start) == MagickFalse)
7013 return(MagickFalse);
7017 if (TracePoint(p,point) == MagickFalse)
7018 return(MagickFalse);
7020 if (TracePoint(p,end) == MagickFalse)
7021 return(MagickFalse);
7025 if (TracePoint(p,point) == MagickFalse)
7026 return(MagickFalse);
7028 if (TracePoint(p,start) == MagickFalse)
7029 return(MagickFalse);
7031 primitive_info->coordinates=(size_t) (p-primitive_info);
7032 primitive_info->closed_subpath=MagickTrue;
7033 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7035 p->primitive=primitive_info->primitive;
7041 static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7061 offset=mvg_info->offset;
7062 segment.x=fabs(end.x-start.x);
7063 segment.y=fabs(end.y-start.y);
7064 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7066 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7069 if (arc.x > (0.5*segment.x))
7070 arc.x=0.5*segment.x;
7071 if (arc.y > (0.5*segment.y))
7072 arc.y=0.5*segment.y;
7073 point.x=start.x+segment.x-arc.x;
7074 point.y=start.y+arc.y;
7077 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7078 return(MagickFalse);
7079 p=(*mvg_info->primitive_info)+mvg_info->offset;
7080 mvg_info->offset+=p->coordinates;
7081 point.x=start.x+segment.x-arc.x;
7082 point.y=start.y+segment.y-arc.y;
7085 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7086 return(MagickFalse);
7087 p=(*mvg_info->primitive_info)+mvg_info->offset;
7088 mvg_info->offset+=p->coordinates;
7089 point.x=start.x+arc.x;
7090 point.y=start.y+segment.y-arc.y;
7093 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7094 return(MagickFalse);
7095 p=(*mvg_info->primitive_info)+mvg_info->offset;
7096 mvg_info->offset+=p->coordinates;
7097 point.x=start.x+arc.x;
7098 point.y=start.y+arc.y;
7101 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7102 return(MagickFalse);
7103 p=(*mvg_info->primitive_info)+mvg_info->offset;
7104 mvg_info->offset+=p->coordinates;
7105 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7106 return(MagickFalse);
7107 p=(*mvg_info->primitive_info)+mvg_info->offset;
7108 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7109 return(MagickFalse);
7111 mvg_info->offset=offset;
7112 primitive_info=(*mvg_info->primitive_info)+offset;
7113 primitive_info->coordinates=(size_t) (p-primitive_info);
7114 primitive_info->closed_subpath=MagickTrue;
7115 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7117 p->primitive=primitive_info->primitive;
7123 static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7124 const size_t number_vertices,
const double offset)
7141 for (i=1; i < (ssize_t) number_vertices; i++)
7143 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7144 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7145 if ((fabs((
double) dx) >= MagickEpsilon) ||
7146 (fabs((
double) dy) >= MagickEpsilon))
7149 if (i == (ssize_t) number_vertices)
7150 i=(ssize_t) number_vertices-1L;
7151 distance=hypot((
double) dx,(
double) dy);
7152 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7153 dx*(distance+offset)/distance);
7154 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7155 dy*(distance+offset)/distance);
7156 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7158 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7159 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7160 if ((fabs((
double) dx) >= MagickEpsilon) ||
7161 (fabs((
double) dy) >= MagickEpsilon))
7164 distance=hypot((
double) dx,(
double) dy);
7165 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7166 dx*(distance+offset)/distance);
7167 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7168 dy*(distance+offset)/distance);
7175 #define MaxStrokePad (6*BezierQuantum+360)
7176 #define CheckPathExtent(pad_p,pad_q) \
7178 if ((pad_p) > MaxBezierCoordinates) \
7179 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7181 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \
7183 if (~extent_p < (pad_p)) \
7184 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7187 extent_p+=(pad_p); \
7188 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7189 MaxStrokePad,sizeof(*stroke_p)); \
7192 if ((pad_q) > MaxBezierCoordinates) \
7193 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7195 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \
7197 if (~extent_q < (pad_q)) \
7198 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7201 extent_q+=(pad_q); \
7202 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7203 MaxStrokePad,sizeof(*stroke_q)); \
7206 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7208 if (stroke_p != (PointInfo *) NULL) \
7209 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7210 if (stroke_q != (PointInfo *) NULL) \
7211 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7212 polygon_primitive=(PrimitiveInfo *) \
7213 RelinquishMagickMemory(polygon_primitive); \
7214 (void) ThrowMagickException(exception,GetMagickModule(), \
7215 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7216 return((PrimitiveInfo *) NULL); \
7220 typedef struct _StrokeSegment
7266 inverse_slope = {0.0, 0.0},
7273 number_vertices=primitive_info->coordinates;
7274 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7275 number_vertices+2UL,
sizeof(*polygon_primitive));
7278 (void) ThrowMagickException(exception,GetMagickModule(),
7279 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7282 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7283 sizeof(*polygon_primitive));
7284 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7285 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7286 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7287 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7288 if (((draw_info->linejoin == RoundJoin) ||
7289 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7291 polygon_primitive[number_vertices]=primitive_info[1];
7294 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7300 for (n=1; n < (ssize_t) number_vertices; n++)
7302 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7303 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7304 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7307 if (n == (ssize_t) number_vertices)
7309 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7315 sizeof(*stroke_polygon));
7316 stroke_polygon[0]=polygon_primitive[0];
7317 stroke_polygon[0].coordinates=0;
7320 return(stroke_polygon);
7322 n=(ssize_t) number_vertices-1L;
7324 extent_p=2*number_vertices;
7325 extent_q=2*number_vertices;
7326 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7328 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7333 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7335 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7337 RelinquishMagickMemory(polygon_primitive);
7338 (void) ThrowMagickException(exception,GetMagickModule(),
7339 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7343 inverse_slope.p=0.0;
7344 if (fabs(dx.p) < MagickEpsilon)
7347 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7349 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7352 if (fabs(dy.p) < MagickEpsilon)
7355 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7357 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7362 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7364 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7365 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7366 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7367 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7368 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7369 offset.y=(double) (offset.x*inverse_slope.p);
7370 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7372 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7373 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7374 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7375 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7376 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7377 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7378 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7379 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7383 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7384 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7385 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7386 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7387 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7388 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7389 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7390 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7397 stroke_q[p++]=box_q[0];
7398 stroke_p[q++]=box_p[0];
7399 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7404 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7405 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7406 dot_product=dx.q*dx.q+dy.q*dy.q;
7407 if (dot_product < 0.25)
7410 inverse_slope.q=0.0;
7411 if (fabs(dx.q) < MagickEpsilon)
7414 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7416 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7419 if (fabs(dy.q) < MagickEpsilon)
7422 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7424 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7429 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7431 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7432 offset.y=(double) (offset.x*inverse_slope.q);
7433 dot_product=dy.q*offset.x-dx.q*offset.y;
7434 if (dot_product > 0.0)
7436 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7437 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7438 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7439 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7440 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7441 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7442 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7443 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7447 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7448 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7449 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7450 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7451 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7452 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7453 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7454 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7456 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7463 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7464 box_p[3].y)/(slope.p-slope.q));
7465 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7466 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7467 box_q[3].y)/(slope.p-slope.q));
7468 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7470 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7471 dot_product=dx.q*dy.p-dx.p*dy.q;
7472 if (dot_product <= 0.0)
7473 switch (draw_info->linejoin)
7477 stroke_q[q++]=box_q[1];
7478 stroke_q[q++]=box_q[2];
7479 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7480 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7481 if (dot_product <= miterlimit)
7482 stroke_p[p++]=box_p[4];
7485 stroke_p[p++]=box_p[1];
7486 stroke_p[p++]=box_p[2];
7492 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7493 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7494 if (dot_product <= miterlimit)
7496 stroke_q[q++]=box_q[4];
7497 stroke_p[p++]=box_p[4];
7501 stroke_q[q++]=box_q[1];
7502 stroke_q[q++]=box_q[2];
7503 stroke_p[p++]=box_p[1];
7504 stroke_p[p++]=box_p[2];
7510 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7511 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7512 if (dot_product <= miterlimit)
7513 stroke_p[p++]=box_p[4];
7516 stroke_p[p++]=box_p[1];
7517 stroke_p[p++]=box_p[2];
7519 center=polygon_primitive[n].point;
7520 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7521 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7522 if (theta.q < theta.p)
7523 theta.q+=2.0*MagickPI;
7524 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7525 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7526 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7527 stroke_q[q].x=box_q[1].x;
7528 stroke_q[q].y=box_q[1].y;
7530 for (j=1; j < (ssize_t) arc_segments; j++)
7532 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7533 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7534 (theta.p+delta_theta),DegreesToRadians(360.0))));
7535 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7536 (theta.p+delta_theta),DegreesToRadians(360.0))));
7539 stroke_q[q++]=box_q[2];
7546 switch (draw_info->linejoin)
7550 stroke_p[p++]=box_p[1];
7551 stroke_p[p++]=box_p[2];
7552 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7553 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7554 if (dot_product <= miterlimit)
7555 stroke_q[q++]=box_q[4];
7558 stroke_q[q++]=box_q[1];
7559 stroke_q[q++]=box_q[2];
7565 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7566 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7567 if (dot_product <= miterlimit)
7569 stroke_q[q++]=box_q[4];
7570 stroke_p[p++]=box_p[4];
7574 stroke_q[q++]=box_q[1];
7575 stroke_q[q++]=box_q[2];
7576 stroke_p[p++]=box_p[1];
7577 stroke_p[p++]=box_p[2];
7583 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7584 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7585 if (dot_product <= miterlimit)
7586 stroke_q[q++]=box_q[4];
7589 stroke_q[q++]=box_q[1];
7590 stroke_q[q++]=box_q[2];
7592 center=polygon_primitive[n].point;
7593 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7594 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7595 if (theta.p < theta.q)
7596 theta.p+=2.0*MagickPI;
7597 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7598 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7599 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7600 stroke_p[p++]=box_p[1];
7601 for (j=1; j < (ssize_t) arc_segments; j++)
7603 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7604 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7605 (theta.p+delta_theta),DegreesToRadians(360.0))));
7606 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7607 (theta.p+delta_theta),DegreesToRadians(360.0))));
7610 stroke_p[p++]=box_p[2];
7617 inverse_slope.p=inverse_slope.q;
7626 stroke_p[p++]=box_p[1];
7627 stroke_q[q++]=box_q[1];
7631 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7632 (p+q+2UL*closed_path+2UL),
sizeof(*stroke_polygon));
7635 (void) ThrowMagickException(exception,GetMagickModule(),
7636 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7637 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7638 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7641 return(stroke_polygon);
7643 for (i=0; i < (ssize_t) p; i++)
7645 stroke_polygon[i]=polygon_primitive[0];
7646 stroke_polygon[i].point=stroke_p[i];
7648 if (closed_path != MagickFalse)
7650 stroke_polygon[i]=polygon_primitive[0];
7651 stroke_polygon[i].point=stroke_polygon[0].point;
7654 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7656 stroke_polygon[i]=polygon_primitive[0];
7657 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7659 if (closed_path != MagickFalse)
7661 stroke_polygon[i]=polygon_primitive[0];
7662 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7665 stroke_polygon[i]=polygon_primitive[0];
7666 stroke_polygon[i].point=stroke_polygon[0].point;
7668 stroke_polygon[i].primitive=UndefinedPrimitive;
7669 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7670 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7671 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7672 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7673 return(stroke_polygon);