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 *,
197static MagickBooleanType
198 DrawStrokePolygon(Image *,
const DrawInfo *,
const PrimitiveInfo *),
199 RenderMVGContent(Image *,
const DrawInfo *,
const size_t),
200 TraceArc(MVGInfo *,
const PointInfo,
const PointInfo,
const PointInfo),
201 TraceArcPath(MVGInfo *,
const PointInfo,
const PointInfo,
const PointInfo,
202 const double,
const MagickBooleanType,
const MagickBooleanType),
203 TraceBezier(MVGInfo *,
const size_t),
204 TraceCircle(MVGInfo *,
const PointInfo,
const PointInfo),
205 TraceEllipse(MVGInfo *,
const PointInfo,
const PointInfo,
const PointInfo),
206 TraceLine(PrimitiveInfo *,
const PointInfo,
const PointInfo),
207 TraceRectangle(PrimitiveInfo *,
const PointInfo,
const PointInfo),
208 TraceRoundRectangle(MVGInfo *,
const PointInfo,
const PointInfo,PointInfo),
209 TraceSquareLinecap(PrimitiveInfo *,
const size_t,
const double);
212 *TraceStrokePolygon(
const DrawInfo *,
const PrimitiveInfo *,ExceptionInfo *);
215 TracePath(Image *,MVGInfo *,
const char *);
235MagickExport DrawInfo *AcquireDrawInfo(
void)
240 draw_info=(DrawInfo *) AcquireCriticalMemory(
sizeof(*draw_info));
241 GetDrawInfo((ImageInfo *) NULL,draw_info);
272MagickExport DrawInfo *CloneDrawInfo(
const ImageInfo *image_info,
273 const DrawInfo *draw_info)
278 clone_info=(DrawInfo *) AcquireCriticalMemory(
sizeof(*clone_info));
279 GetDrawInfo(image_info,clone_info);
280 if (draw_info == (DrawInfo *) NULL)
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;
422static PolygonInfo *DestroyPolygonInfo(PolygonInfo *polygon_info)
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)
443static 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)
475static 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");
505static 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;
521static PolygonInfo *ConvertPathToPolygon(
const PathInfo *path_info,
522 ExceptionInfo *exception)
553 polygon_info=(PolygonInfo *) AcquireMagickMemory(
sizeof(*polygon_info));
554 if (polygon_info == (PolygonInfo *) NULL)
556 (void) ThrowMagickException(exception,GetMagickModule(),
557 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
558 return((PolygonInfo *) NULL);
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;
576 points=(PointInfo *) NULL;
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;
622 points=(PointInfo *) NULL;
623 ghostline=MagickFalse;
625 polygon_info->number_edges=edge;
627 if (points == (PointInfo *) NULL)
630 points=(PointInfo *) AcquireQuantumMemory((
size_t) number_points,
632 if (points == (PointInfo *) NULL)
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;
687 points=(PointInfo *) NULL;
689 points=(PointInfo *) AcquireQuantumMemory((
size_t) number_points,
691 if (points == (PointInfo *) NULL)
693 (void) ThrowMagickException(exception,GetMagickModule(),
694 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
695 return(DestroyPolygonInfo(polygon_info));
698 ghostline=MagickFalse;
704 direction=next_direction;
705 if (points == (PointInfo *) NULL)
707 if (n == (ssize_t) number_points)
710 points=(PointInfo *) ResizeQuantumMemory(points,(
size_t) number_points,
712 if (points == (PointInfo *) NULL)
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)
727 if (points != (PointInfo *) NULL)
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;
757 points=(PointInfo *) NULL;
758 ghostline=MagickFalse;
760 polygon_info->number_edges=edge;
763 polygon_info->number_edges=edge;
764 polygon_info->edges=(EdgeInfo *) ResizeQuantumMemory(polygon_info->edges,
765 polygon_info->number_edges,
sizeof(*polygon_info->edges));
766 if (polygon_info->edges == (EdgeInfo *) NULL)
768 (void) ThrowMagickException(exception,GetMagickModule(),
769 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
770 return(DestroyPolygonInfo(polygon_info));
772 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
777 edge_info=polygon_info->edges+i;
778 edge_info->points=(PointInfo *) ResizeQuantumMemory(edge_info->points,
779 edge_info->number_points,
sizeof(*edge_info->points));
780 if (edge_info->points == (PointInfo *) NULL)
782 (void) ThrowMagickException(exception,GetMagickModule(),
783 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
784 return(DestroyPolygonInfo(polygon_info));
787 qsort(polygon_info->edges,(
size_t) polygon_info->number_edges,
788 sizeof(*polygon_info->edges),DrawCompareEdges);
789 if ((GetLogEventMask() & DrawEvent) != 0)
790 LogPolygonInfo(polygon_info);
791 return(polygon_info);
825static void LogPathInfo(
const PathInfo *path_info)
830 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin vector-path");
831 for (p=path_info; p->code != EndCode; p++)
832 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
833 " %g,%g %s",p->point.x,p->point.y,p->code == GhostlineCode ?
834 "moveto ghostline" : p->code == OpenCode ?
"moveto open" :
835 p->code == MoveToCode ?
"moveto" : p->code == LineToCode ?
"lineto" :
837 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end vector-path");
840static PathInfo *ConvertPrimitiveToPath(
841 const DrawInfo *magick_unused(draw_info),
const PrimitiveInfo *primitive_info,
842 ExceptionInfo *exception)
865 magick_unreferenced(draw_info);
870 switch (primitive_info->primitive)
877 return((PathInfo *) NULL);
881 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
882 path_info=(PathInfo *) AcquireQuantumMemory((
size_t) (3UL*i+1UL),
884 if (path_info == (PathInfo *) NULL)
886 (void) ThrowMagickException(exception,GetMagickModule(),
887 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
888 return((PathInfo *) NULL);
891 closed_subpath=MagickFalse;
898 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
901 if (coordinates <= 0)
906 coordinates=(ssize_t) primitive_info[i].coordinates;
907 p=primitive_info[i].point;
910 closed_subpath=primitive_info[i].closed_subpath;
913 if ((code == MoveToCode) || (coordinates <= 0) ||
914 (fabs(q.x-primitive_info[i].point.x) >= MagickEpsilon) ||
915 (fabs(q.y-primitive_info[i].point.y) >= MagickEpsilon))
920 path_info[n].code=code;
921 path_info[n].point=primitive_info[i].point;
922 q=primitive_info[i].point;
927 if (closed_subpath != MagickFalse)
929 closed_subpath=MagickFalse;
935 path_info[start].code=OpenCode;
936 path_info[n].code=GhostlineCode;
937 path_info[n].point=primitive_info[i].point;
939 path_info[n].code=LineToCode;
940 path_info[n].point=p;
943 path_info[n].code=EndCode;
944 path_info[n].point.x=0.0;
945 path_info[n].point.y=0.0;
946 if (IsEventLogging() != MagickFalse)
947 LogPathInfo(path_info);
948 path_info=(PathInfo *) ResizeQuantumMemory(path_info,(
size_t) (n+1),
975MagickExport DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
977 assert(draw_info != (DrawInfo *) NULL);
978 assert(draw_info->signature == MagickCoreSignature);
979 if (IsEventLogging() != MagickFalse)
980 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
981 if (draw_info->id != (
char *) NULL)
982 draw_info->id=DestroyString(draw_info->id);
983 if (draw_info->primitive != (
char *) NULL)
984 draw_info->primitive=DestroyString(draw_info->primitive);
985 if (draw_info->text != (
char *) NULL)
986 draw_info->text=DestroyString(draw_info->text);
987 if (draw_info->geometry != (
char *) NULL)
988 draw_info->geometry=DestroyString(draw_info->geometry);
989 if (draw_info->tile != (Image *) NULL)
990 draw_info->tile=DestroyImage(draw_info->tile);
991 if (draw_info->fill_pattern != (Image *) NULL)
992 draw_info->fill_pattern=DestroyImage(draw_info->fill_pattern);
993 if (draw_info->stroke_pattern != (Image *) NULL)
994 draw_info->stroke_pattern=DestroyImage(draw_info->stroke_pattern);
995 if (draw_info->font != (
char *) NULL)
996 draw_info->font=DestroyString(draw_info->font);
997 if (draw_info->metrics != (
char *) NULL)
998 draw_info->metrics=DestroyString(draw_info->metrics);
999 if (draw_info->family != (
char *) NULL)
1000 draw_info->family=DestroyString(draw_info->family);
1001 if (draw_info->encoding != (
char *) NULL)
1002 draw_info->encoding=DestroyString(draw_info->encoding);
1003 if (draw_info->density != (
char *) NULL)
1004 draw_info->density=DestroyString(draw_info->density);
1005 if (draw_info->server_name != (
char *) NULL)
1006 draw_info->server_name=(
char *)
1007 RelinquishMagickMemory(draw_info->server_name);
1008 if (draw_info->dash_pattern != (
double *) NULL)
1009 draw_info->dash_pattern=(
double *) RelinquishMagickMemory(
1010 draw_info->dash_pattern);
1011 if (draw_info->gradient.stops != (StopInfo *) NULL)
1012 draw_info->gradient.stops=(StopInfo *) RelinquishMagickMemory(
1013 draw_info->gradient.stops);
1014 if (draw_info->clip_mask != (
char *) NULL)
1015 draw_info->clip_mask=DestroyString(draw_info->clip_mask);
1016 if (draw_info->clipping_mask != (Image *) NULL)
1017 draw_info->clipping_mask=DestroyImage(draw_info->clipping_mask);
1018 if (draw_info->composite_mask != (Image *) NULL)
1019 draw_info->composite_mask=DestroyImage(draw_info->composite_mask);
1020 if (draw_info->image_info != (ImageInfo *) NULL)
1021 draw_info->image_info=DestroyImageInfo(draw_info->image_info);
1022 draw_info->signature=(~MagickCoreSignature);
1023 draw_info=(DrawInfo *) RelinquishMagickMemory(draw_info);
1056static SegmentInfo AffineEdge(
const Image *image,
const AffineMatrix *affine,
1057 const double y,
const SegmentInfo *edge)
1072 inverse_edge.x1=edge->x1;
1073 inverse_edge.y1=edge->y1;
1074 inverse_edge.x2=edge->x2;
1075 inverse_edge.y2=edge->y2;
1076 z=affine->ry*y+affine->tx;
1077 if (affine->sx >= MagickEpsilon)
1079 intercept=(-z/affine->sx);
1081 if (x > inverse_edge.x1)
1083 intercept=(-z+(double) image->columns)/affine->sx;
1085 if (x < inverse_edge.x2)
1089 if (affine->sx < -MagickEpsilon)
1091 intercept=(-z+(double) image->columns)/affine->sx;
1093 if (x > inverse_edge.x1)
1095 intercept=(-z/affine->sx);
1097 if (x < inverse_edge.x2)
1101 if ((z < 0.0) || ((
size_t) floor(z+0.5) >= image->columns))
1103 inverse_edge.x2=edge->x1;
1104 return(inverse_edge);
1109 z=affine->sy*y+affine->ty;
1110 if (affine->rx >= MagickEpsilon)
1112 intercept=(-z/affine->rx);
1114 if (x > inverse_edge.x1)
1116 intercept=(-z+(double) image->rows)/affine->rx;
1118 if (x < inverse_edge.x2)
1122 if (affine->rx < -MagickEpsilon)
1124 intercept=(-z+(double) image->rows)/affine->rx;
1126 if (x > inverse_edge.x1)
1128 intercept=(-z/affine->rx);
1130 if (x < inverse_edge.x2)
1134 if ((z < 0.0) || ((
size_t) floor(z+0.5) >= image->rows))
1136 inverse_edge.x2=edge->x2;
1137 return(inverse_edge);
1139 return(inverse_edge);
1142static AffineMatrix InverseAffineMatrix(
const AffineMatrix *affine)
1150 determinant=MagickSafeReciprocal(affine->sx*affine->sy-affine->rx*
1152 inverse_affine.sx=determinant*affine->sy;
1153 inverse_affine.rx=determinant*(-affine->rx);
1154 inverse_affine.ry=determinant*(-affine->ry);
1155 inverse_affine.sy=determinant*affine->sx;
1156 inverse_affine.tx=(-affine->tx)*inverse_affine.sx-affine->ty*
1158 inverse_affine.ty=(-affine->tx)*inverse_affine.rx-affine->ty*
1160 return(inverse_affine);
1163MagickExport MagickBooleanType DrawAffineImage(Image *image,
1164 const Image *source,
const AffineMatrix *affine)
1202 assert(image != (Image *) NULL);
1203 assert(image->signature == MagickCoreSignature);
1204 assert(source != (
const Image *) NULL);
1205 assert(source->signature == MagickCoreSignature);
1206 if (IsEventLogging() != MagickFalse)
1207 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1208 assert(affine != (AffineMatrix *) NULL);
1211 extent[1].x=(double) source->columns;
1213 extent[2].x=(double) source->columns;
1214 extent[2].y=(double) source->rows;
1216 extent[3].y=(double) source->rows;
1217 for (i=0; i < 4; i++)
1220 extent[i].x=point.x*affine->sx+point.y*affine->ry+affine->tx;
1221 extent[i].y=point.x*affine->rx+point.y*affine->sy+affine->ty;
1225 for (i=1; i < 4; i++)
1227 if (min.x > extent[i].x)
1229 if (min.y > extent[i].y)
1231 if (max.x < extent[i].x)
1233 if (max.y < extent[i].y)
1239 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
1240 return(MagickFalse);
1246 inverse_affine=InverseAffineMatrix(affine);
1249 if (edge.y2 > (image->rows-1.0))
1250 edge.y2=image->rows-1.0;
1251 GetMagickPixelPacket(image,&zero);
1252 exception=(&image->exception);
1253 start=CastDoubleToLong(ceil(edge.y1-0.5));
1254 stop=CastDoubleToLong(floor(edge.y2+0.5));
1255 source_view=AcquireVirtualCacheView(source,exception);
1256 image_view=AcquireAuthenticCacheView(image,exception);
1257#if defined(MAGICKCORE_OPENMP_SUPPORT)
1258 #pragma omp parallel for schedule(static) shared(status) \
1259 magick_number_threads(source,image,stop-start,1)
1261 for (y=start; y <= stop; y++)
1264 *magick_restrict indexes;
1283 if (status == MagickFalse)
1285 inverse_edge=AffineEdge(source,&inverse_affine,(
double) y,&edge);
1286 if (inverse_edge.x2 < inverse_edge.x1)
1288 if (inverse_edge.x1 < 0.0)
1289 inverse_edge.x1=0.0;
1290 if (inverse_edge.x2 > image->columns-1.0)
1291 inverse_edge.x2=image->columns-1.0;
1292 q=GetCacheViewAuthenticPixels(image_view,CastDoubleToLong(
1293 ceil(inverse_edge.x1-0.5)),y,(
size_t) CastDoubleToLong(floor(
1294 inverse_edge.x2+0.5)-ceil(inverse_edge.x1-0.5)+1),1,exception);
1295 if (q == (PixelPacket *) NULL)
1297 indexes=GetCacheViewAuthenticIndexQueue(image_view);
1301 for (x=CastDoubleToLong(ceil(inverse_edge.x1-0.5));
1302 x <= CastDoubleToLong(floor(inverse_edge.x2+0.5)); x++)
1304 point.x=(double) x*inverse_affine.sx+y*inverse_affine.ry+
1306 point.y=(double) x*inverse_affine.rx+y*inverse_affine.sy+
1308 status=InterpolateMagickPixelPacket(source,source_view,
1309 UndefinedInterpolatePixel,point.x,point.y,&pixel,exception);
1310 if (status == MagickFalse)
1312 SetMagickPixelPacket(image,q,indexes+x_offset,&composite);
1313 MagickPixelCompositeOver(&pixel,pixel.opacity,&composite,
1314 composite.opacity,&composite);
1315 SetPixelPacket(image,&composite,q,indexes+x_offset);
1319 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1322 source_view=DestroyCacheView(source_view);
1323 image_view=DestroyCacheView(image_view);
1356static MagickBooleanType DrawBoundingRectangles(Image *image,
1357 const DrawInfo *draw_info,
const PolygonInfo *polygon_info)
1385 (void) memset(primitive_info,0,
sizeof(primitive_info));
1386 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
1387 status=QueryColorDatabase(
"#0000",&clone_info->fill,&image->exception);
1388 if (status == MagickFalse)
1390 clone_info=DestroyDrawInfo(clone_info);
1391 return(MagickFalse);
1395 if (clone_info->density != (
char *) NULL)
1403 flags=ParseGeometry(clone_info->density,&geometry_info);
1404 if ((flags & RhoValue) != 0)
1405 resolution.x=geometry_info.rho;
1406 resolution.y=resolution.x;
1407 if ((flags & SigmaValue) != 0)
1408 resolution.y=geometry_info.sigma;
1410 mid=(resolution.x/96.0)*ExpandAffine(&clone_info->affine)*
1411 clone_info->stroke_width/2.0;
1416 if (polygon_info != (PolygonInfo *) NULL)
1418 bounds=polygon_info->edges[0].bounds;
1419 for (i=1; i < (ssize_t) polygon_info->number_edges; i++)
1421 if (polygon_info->edges[i].bounds.x1 < (
double) bounds.x1)
1422 bounds.x1=polygon_info->edges[i].bounds.x1;
1423 if (polygon_info->edges[i].bounds.y1 < (
double) bounds.y1)
1424 bounds.y1=polygon_info->edges[i].bounds.y1;
1425 if (polygon_info->edges[i].bounds.x2 > (
double) bounds.x2)
1426 bounds.x2=polygon_info->edges[i].bounds.x2;
1427 if (polygon_info->edges[i].bounds.y2 > (
double) bounds.y2)
1428 bounds.y2=polygon_info->edges[i].bounds.y2;
1431 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double)
1432 image->columns ? (
double) image->columns-1 : bounds.x1;
1434 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double)
1435 image->rows ? (
double) image->rows-1 : bounds.y1;
1437 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double)
1438 image->columns ? (
double) image->columns-1 : bounds.x2;
1440 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double)
1441 image->rows ? (
double) image->rows-1 : bounds.y2;
1442 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
1444 if (polygon_info->edges[i].direction != 0)
1445 status=QueryColorDatabase(
"#f00",&clone_info->stroke,
1448 status=QueryColorDatabase(
"#0f0",&clone_info->stroke,
1450 if (status == MagickFalse)
1452 start.x=(double) (polygon_info->edges[i].bounds.x1-mid);
1453 start.y=(double) (polygon_info->edges[i].bounds.y1-mid);
1454 end.x=(double) (polygon_info->edges[i].bounds.x2+mid);
1455 end.y=(double) (polygon_info->edges[i].bounds.y2+mid);
1456 primitive_info[0].primitive=RectanglePrimitive;
1457 status&=TraceRectangle(primitive_info,start,end);
1458 primitive_info[0].method=ReplaceMethod;
1459 coordinates=(ssize_t) primitive_info[0].coordinates;
1460 primitive_info[coordinates].primitive=UndefinedPrimitive;
1461 status=DrawPrimitive(image,clone_info,primitive_info);
1462 if (status == MagickFalse)
1465 if (i < (ssize_t) polygon_info->number_edges)
1467 clone_info=DestroyDrawInfo(clone_info);
1468 return(status == 0 ? MagickFalse : MagickTrue);
1471 status=QueryColorDatabase(
"#00f",&clone_info->stroke,&image->exception);
1472 if (status == MagickFalse)
1474 clone_info=DestroyDrawInfo(clone_info);
1475 return(MagickFalse);
1477 start.x=(double) (bounds.x1-mid);
1478 start.y=(double) (bounds.y1-mid);
1479 end.x=(double) (bounds.x2+mid);
1480 end.y=(double) (bounds.y2+mid);
1481 primitive_info[0].primitive=RectanglePrimitive;
1482 status&=TraceRectangle(primitive_info,start,end);
1483 primitive_info[0].method=ReplaceMethod;
1484 coordinates=(ssize_t) primitive_info[0].coordinates;
1485 primitive_info[coordinates].primitive=UndefinedPrimitive;
1486 status=DrawPrimitive(image,clone_info,primitive_info);
1487 clone_info=DestroyDrawInfo(clone_info);
1488 return(status == 0 ? MagickFalse : MagickTrue);
1518MagickExport MagickBooleanType DrawClipPath(Image *image,
1519 const DrawInfo *draw_info,
const char *
id)
1530 clip_path=GetImageArtifact(image,
id);
1531 if (clip_path == (
const char *) NULL)
1532 return(MagickFalse);
1533 clipping_mask=DrawClippingMask(image,draw_info,draw_info->clip_mask,clip_path,
1535 if (clipping_mask == (Image *) NULL)
1536 return(MagickFalse);
1537 status=SetImageClipMask(image,clipping_mask);
1538 clipping_mask=DestroyImage(clipping_mask);
1574static Image *DrawClippingMask(Image *image,
const DrawInfo *draw_info,
1575 const char *
id,
const char *clip_path,ExceptionInfo *exception)
1589 assert(image != (Image *) NULL);
1590 assert(image->signature == MagickCoreSignature);
1591 assert(draw_info != (
const DrawInfo *) NULL);
1592 if (IsEventLogging() != MagickFalse)
1593 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1594 clip_mask=AcquireImage((
const ImageInfo *) NULL);
1595 status=SetImageExtent(clip_mask,image->columns,image->rows);
1596 if (status == MagickFalse)
1597 return(DestroyImage(clip_mask));
1598 status=SetImageClipMask(image,(Image *) NULL);
1599 status=QueryColorCompliance(
"#0000",AllCompliance,
1600 &clip_mask->background_color,exception);
1601 clip_mask->background_color.opacity=(Quantum) TransparentOpacity;
1602 status=SetImageBackgroundColor(clip_mask);
1603 if (draw_info->debug != MagickFalse)
1604 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin clip-path %s",
1606 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
1607 (void) CloneString(&clone_info->primitive,clip_path);
1608 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1610 if (clone_info->clip_mask != (
char *) NULL)
1611 clone_info->clip_mask=DestroyString(clone_info->clip_mask);
1612 (void) QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1614 clone_info->stroke_width=0.0;
1615 clone_info->opacity=OpaqueOpacity;
1616 clone_info->clip_path=MagickTrue;
1617 status=RenderMVGContent(clip_mask,clone_info,0);
1618 clone_info=DestroyDrawInfo(clone_info);
1619 status&=SeparateImageChannel(clip_mask,TrueAlphaChannel);
1620 if (draw_info->compliance != SVGCompliance)
1621 status&=NegateImage(clip_mask,MagickFalse);
1622 if (status == MagickFalse)
1623 clip_mask=DestroyImage(clip_mask);
1624 if (draw_info->debug != MagickFalse)
1625 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end clip-path");
1660static Image *DrawCompositeMask(Image *image,
const DrawInfo *draw_info,
1661 const char *
id,
const char *mask_path,ExceptionInfo *exception)
1675 assert(image != (Image *) NULL);
1676 assert(image->signature == MagickCoreSignature);
1677 assert(draw_info != (
const DrawInfo *) NULL);
1678 if (IsEventLogging() != MagickFalse)
1679 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1680 composite_mask=AcquireImage((
const ImageInfo *) NULL);
1681 status=SetImageExtent(composite_mask,image->columns,image->rows);
1682 if (status == MagickFalse)
1683 return(DestroyImage(composite_mask));
1684 status=SetImageMask(image,(Image *) NULL);
1685 status=QueryColorCompliance(
"#0000",AllCompliance,
1686 &composite_mask->background_color,exception);
1687 composite_mask->background_color.opacity=(Quantum) TransparentOpacity;
1688 (void) SetImageBackgroundColor(composite_mask);
1689 if (draw_info->debug != MagickFalse)
1690 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin mask-path %s",
1692 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
1693 (void) CloneString(&clone_info->primitive,mask_path);
1694 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1696 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1698 clone_info->stroke_width=0.0;
1699 clone_info->opacity=OpaqueOpacity;
1700 status=RenderMVGContent(composite_mask,clone_info,0);
1701 clone_info=DestroyDrawInfo(clone_info);
1702 status&=SeparateImageChannel(composite_mask,TrueAlphaChannel);
1703 status&=NegateImage(composite_mask,MagickFalse);
1704 if (status == MagickFalse)
1705 composite_mask=DestroyImage(composite_mask);
1706 if (draw_info->debug != MagickFalse)
1707 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end mask-path");
1708 return(composite_mask);
1740static MagickBooleanType DrawDashPolygon(
const DrawInfo *draw_info,
1741 const PrimitiveInfo *primitive_info,Image *image)
1771 assert(draw_info != (
const DrawInfo *) NULL);
1772 if (draw_info->debug != MagickFalse)
1773 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1774 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1775 number_vertices=(size_t) i;
1776 dash_polygon=(PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1777 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1778 if (dash_polygon == (PrimitiveInfo *) NULL)
1780 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1781 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1782 return(MagickFalse);
1784 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1785 sizeof(*dash_polygon));
1786 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
1787 clone_info->miterlimit=0;
1788 dash_polygon[0]=primitive_info[0];
1789 dash_polygon[0].closed_subpath=MagickFalse;
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].closed_subpath=MagickFalse;
1841 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1842 total_length*MagickSafeReciprocal(maximum_length));
1843 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1844 total_length*MagickSafeReciprocal(maximum_length));
1849 if ((j+1) > (ssize_t) number_vertices)
1851 dash_polygon[j]=primitive_info[i-1];
1852 dash_polygon[j].closed_subpath=MagickFalse;
1853 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1854 total_length*MagickSafeReciprocal(maximum_length));
1855 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1856 total_length*MagickSafeReciprocal(maximum_length));
1857 dash_polygon[j].coordinates=1;
1859 dash_polygon[0].coordinates=(size_t) j;
1860 dash_polygon[j].primitive=UndefinedPrimitive;
1861 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1862 if (status == MagickFalse)
1865 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1867 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1869 length=scale*draw_info->dash_pattern[n];
1871 length-=(maximum_length-total_length);
1872 if ((n & 0x01) != 0)
1874 dash_polygon[j]=primitive_info[i];
1875 dash_polygon[j].coordinates=1;
1878 if ((status != MagickFalse) && (total_length < maximum_length) &&
1879 ((n & 0x01) == 0) && (j > 1))
1881 dash_polygon[j]=primitive_info[i-1];
1882 dash_polygon[j].closed_subpath=MagickFalse;
1883 dash_polygon[j].point.x+=MagickEpsilon;
1884 dash_polygon[j].point.y+=MagickEpsilon;
1885 dash_polygon[j].coordinates=1;
1887 dash_polygon[0].coordinates=(size_t) j;
1888 dash_polygon[j].primitive=UndefinedPrimitive;
1889 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1891 dash_polygon=(PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1892 clone_info=DestroyDrawInfo(clone_info);
1893 if (draw_info->debug != MagickFalse)
1894 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1895 return(status != 0 ? MagickTrue : MagickFalse);
1924static inline double GetStopColorOffset(
const GradientInfo *gradient,
1925 const ssize_t x,
const ssize_t y)
1927 switch (gradient->type)
1929 case UndefinedGradient:
1930 case LinearGradient:
1945 gradient_vector=(&gradient->gradient_vector);
1946 p.x=gradient_vector->x2-gradient_vector->x1;
1947 p.y=gradient_vector->y2-gradient_vector->y1;
1948 q.x=(double) x-gradient_vector->x1;
1949 q.y=(double) y-gradient_vector->y1;
1950 length=sqrt(q.x*q.x+q.y*q.y);
1951 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1952 gamma=MagickSafeReciprocal(gamma);
1953 scale=p.x*q.x+p.y*q.y;
1954 offset=gamma*scale*length;
1957 case RadialGradient:
1962 if (gradient->spread == RepeatSpread)
1964 v.x=(double) x-gradient->center.x;
1965 v.y=(double) y-gradient->center.y;
1966 return(sqrt(v.x*v.x+v.y*v.y));
1968 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1969 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1970 gradient->angle))))*MagickSafeReciprocal(gradient->radii.x);
1971 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1972 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1973 gradient->angle))))*MagickSafeReciprocal(gradient->radii.y);
1974 return(sqrt(v.x*v.x+v.y*v.y));
1980MagickExport MagickBooleanType DrawGradientImage(Image *image,
1981 const DrawInfo *draw_info)
2017 assert(image != (Image *) NULL);
2018 assert(image->signature == MagickCoreSignature);
2019 assert(draw_info != (
const DrawInfo *) NULL);
2020 if (IsEventLogging() != MagickFalse)
2021 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2022 gradient=(&draw_info->gradient);
2023 gradient_vector=(&gradient->gradient_vector);
2024 point.x=gradient_vector->x2-gradient_vector->x1;
2025 point.y=gradient_vector->y2-gradient_vector->y1;
2026 length=sqrt(point.x*point.x+point.y*point.y);
2027 bounding_box=gradient->bounding_box;
2029 exception=(&image->exception);
2030 GetMagickPixelPacket(image,&zero);
2031 image_view=AcquireAuthenticCacheView(image,exception);
2032 height=(size_t) (bounding_box.y+bounding_box.height);
2033#if defined(MAGICKCORE_OPENMP_SUPPORT)
2034 #pragma omp parallel for schedule(static) shared(status) \
2035 magick_number_threads(image,image,height,1)
2037 for (y=bounding_box.y; y < (ssize_t) height; y++)
2048 *magick_restrict indexes;
2059 if (status == MagickFalse)
2061 q=GetCacheViewAuthenticPixels(image_view,bounding_box.x,y,(
size_t)
2062 bounding_box.width,1,exception);
2063 if (q == (PixelPacket *) NULL)
2068 indexes=GetCacheViewAuthenticIndexQueue(image_view);
2071 offset=GetStopColorOffset(gradient,0,y);
2072 if (gradient->type != RadialGradient)
2073 offset*=MagickSafeReciprocal(length);
2074 width=(size_t) (bounding_box.x+bounding_box.width);
2075 for (x=bounding_box.x; x < (ssize_t) width; x++)
2077 SetMagickPixelPacket(image,q,indexes+x,&pixel);
2078 switch (gradient->spread)
2080 case UndefinedSpread:
2083 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2084 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2086 offset=GetStopColorOffset(gradient,x,y);
2087 if (gradient->type != RadialGradient)
2088 offset*=MagickSafeReciprocal(length);
2090 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2091 if (offset < gradient->stops[i].offset)
2093 if ((offset < 0.0) || (i == 0))
2094 composite=gradient->stops[0].color;
2096 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2097 composite=gradient->stops[gradient->number_stops-1].color;
2102 alpha=(offset-gradient->stops[i].offset)/
2103 (gradient->stops[j].offset-gradient->stops[i].offset);
2104 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2105 &gradient->stops[j].color,alpha,&composite);
2111 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2112 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2114 offset=GetStopColorOffset(gradient,x,y);
2115 if (gradient->type != RadialGradient)
2116 offset*=MagickSafeReciprocal(length);
2120 if ((ssize_t) fmod(offset,2.0) == 0)
2121 offset=fmod(offset,1.0);
2123 offset=1.0-fmod(offset,1.0);
2124 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2125 if (offset < gradient->stops[i].offset)
2128 composite=gradient->stops[0].color;
2130 if (i == (ssize_t) gradient->number_stops)
2131 composite=gradient->stops[gradient->number_stops-1].color;
2136 alpha=(offset-gradient->stops[i].offset)/
2137 (gradient->stops[j].offset-gradient->stops[i].offset);
2138 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2139 &gradient->stops[j].color,alpha,&composite);
2151 antialias=MagickFalse;
2153 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2154 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2156 offset=GetStopColorOffset(gradient,x,y);
2157 if (gradient->type == LinearGradient)
2159 repeat=fmod(offset,length);
2161 repeat=length-fmod(-repeat,length);
2163 repeat=fmod(offset,length);
2164 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2165 MagickTrue : MagickFalse;
2166 offset=MagickSafeReciprocal(length)*repeat;
2170 repeat=fmod(offset,(
double) gradient->radius);
2172 repeat=gradient->radius-fmod(-repeat,
2173 (
double) gradient->radius);
2175 repeat=fmod(offset,(
double) gradient->radius);
2176 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2178 offset=repeat*MagickSafeReciprocal(gradient->radius);
2181 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2182 if (offset < gradient->stops[i].offset)
2185 composite=gradient->stops[0].color;
2187 if (i == (ssize_t) gradient->number_stops)
2188 composite=gradient->stops[gradient->number_stops-1].color;
2193 alpha=(offset-gradient->stops[i].offset)/
2194 (gradient->stops[j].offset-gradient->stops[i].offset);
2195 if (antialias != MagickFalse)
2197 if (gradient->type == LinearGradient)
2198 alpha=length-repeat;
2200 alpha=gradient->radius-repeat;
2202 j=(ssize_t) gradient->number_stops-1L;
2204 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2205 &gradient->stops[j].color,alpha,&composite);
2210 MagickPixelCompositeOver(&composite,composite.opacity,&pixel,
2211 pixel.opacity,&pixel);
2212 SetPixelPacket(image,&pixel,q,indexes+x);
2215 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2218 image_view=DestroyCacheView(image_view);
2251static MagickBooleanType CheckPrimitiveExtent(MVGInfo *mvg_info,
2255 **text = (
char **) NULL;
2269 quantum=
sizeof(**mvg_info->primitive_info);
2270 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*quantum;
2271 if (extent <= (
double) *mvg_info->extent)
2273 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2274 return(MagickFalse);
2275 if (mvg_info->offset > 0)
2277 text=(
char **) AcquireQuantumMemory(mvg_info->offset,
sizeof(*text));
2278 if (text == (
char **) NULL)
2279 return(MagickFalse);
2280 for (i=0; i < mvg_info->offset; i++)
2281 text[i]=(*mvg_info->primitive_info)[i].text;
2283 *mvg_info->primitive_info=(PrimitiveInfo *) ResizeQuantumMemory(
2284 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2285 if (*mvg_info->primitive_info != (PrimitiveInfo *) NULL)
2287 if (text != (
char **) NULL)
2288 text=(
char **) RelinquishMagickMemory(text);
2289 *mvg_info->extent=(size_t) extent;
2290 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2292 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2293 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2300 if (text != (
char **) NULL)
2302 for (i=0; i < mvg_info->offset; i++)
2303 if (text[i] != (
char *) NULL)
2304 text[i]=DestroyString(text[i]);
2305 text=(
char **) RelinquishMagickMemory(text);
2307 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2308 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2309 *mvg_info->primitive_info=(PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2310 (PrimitiveExtentPad+1)*quantum);
2311 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2313 *mvg_info->extent=1;
2315 return(MagickFalse);
2318static inline double GetDrawValue(
const char *magick_restrict
string,
2319 char **magick_restrict sentinel)
2322 **magick_restrict q;
2328 value=InterpretLocaleValue(
string,q);
2333static int MVGMacroCompare(
const void *target,
const void *source)
2339 p=(
const char *) target;
2340 q=(
const char *) source;
2341 return(strcmp(p,q));
2344static SplayTreeInfo *GetMVGMacros(
const char *primitive)
2362 if (primitive == (
const char *) NULL)
2363 return((SplayTreeInfo *) NULL);
2364 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2365 RelinquishMagickMemory);
2366 macro=AcquireString(primitive);
2367 token=AcquireString(primitive);
2368 extent=strlen(token)+MagickPathExtent;
2369 for (q=primitive; *q !=
'\0'; )
2371 if (GetNextToken(q,&q,extent,token) < 1)
2375 if (LocaleCompare(
"push",token) == 0)
2381 (void) GetNextToken(q,&q,extent,token);
2385 name[MagickPathExtent];
2396 (void) GetNextToken(q,&q,extent,token);
2399 (void) CopyMagickString(name,token,MagickPathExtent);
2401 for (p=q; *p !=
'\0'; )
2403 if (GetNextToken(p,&p,extent,token) < 1)
2407 if (LocaleCompare(token,
"pop") == 0)
2409 end=p-strlen(token)-1;
2412 if (LocaleCompare(token,
"push") == 0)
2414 if ((n == 0) && (end >= start))
2417 length=(size_t) (end-start);
2422 (void) GetNextToken(p,&p,extent,token);
2425 (void) CopyMagickString(macro,start,length);
2426 (void) AddValueToSplayTree(macros,ConstantString(name),
2427 ConstantString(macro));
2435 token=DestroyString(token);
2436 macro=DestroyString(macro);
2440static inline MagickBooleanType IsPoint(
const char *point)
2448 value=GetDrawValue(point,&p);
2449 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2453static inline MagickBooleanType TracePoint(PrimitiveInfo *primitive_info,
2454 const PointInfo point)
2456 primitive_info->coordinates=1;
2457 primitive_info->closed_subpath=MagickFalse;
2458 primitive_info->point=point;
2462static MagickBooleanType RenderMVGContent(Image *image,
2463 const DrawInfo *draw_info,
const size_t depth)
2465#define RenderImageTag "Render/Image"
2472 key[2*MaxTextExtent],
2473 keyword[MaxTextExtent],
2474 geometry[MaxTextExtent],
2475 name[MaxTextExtent],
2477 pattern[MaxTextExtent],
2539 assert(image != (Image *) NULL);
2540 assert(image->signature == MagickCoreSignature);
2541 assert(draw_info != (DrawInfo *) NULL);
2542 assert(draw_info->signature == MagickCoreSignature);
2543 if (IsEventLogging() != MagickFalse)
2544 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2545 if (depth > MagickMaxRecursionDepth)
2546 ThrowBinaryImageException(DrawError,
"VectorGraphicsNestedTooDeeply",
2548 if ((draw_info->primitive == (
char *) NULL) ||
2549 (*draw_info->primitive ==
'\0'))
2550 return(MagickFalse);
2551 if (draw_info->debug != MagickFalse)
2552 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2553 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
2554 return(MagickFalse);
2555 if (image->matte == MagickFalse)
2557 status=SetImageAlphaChannel(image,OpaqueAlphaChannel);
2558 if (status == MagickFalse)
2559 return(MagickFalse);
2561 primitive=(
char *) NULL;
2562 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2563 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2564 primitive=FileToString(draw_info->primitive,~0UL,&image->exception);
2566 primitive=AcquireString(draw_info->primitive);
2567 if (primitive == (
char *) NULL)
2568 return(MagickFalse);
2569 primitive_extent=(double) strlen(primitive);
2570 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2575 graphic_context=(DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2576 if (graphic_context == (DrawInfo **) NULL)
2578 primitive=DestroyString(primitive);
2579 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2582 number_points=(size_t) PrimitiveExtentPad;
2583 primitive_info=(PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2584 (number_points+1),
sizeof(*primitive_info));
2585 if (primitive_info == (PrimitiveInfo *) NULL)
2587 primitive=DestroyString(primitive);
2588 for ( ; n >= 0; n--)
2589 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2590 graphic_context=(DrawInfo **) RelinquishMagickMemory(graphic_context);
2591 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2594 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2595 sizeof(*primitive_info));
2596 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2597 mvg_info.primitive_info=(&primitive_info);
2598 mvg_info.extent=(&number_points);
2599 mvg_info.exception=(&image->exception);
2600 graphic_context[n]=CloneDrawInfo((ImageInfo *) NULL,draw_info);
2601 graphic_context[n]->viewbox=image->page;
2602 if ((image->page.width == 0) || (image->page.height == 0))
2604 graphic_context[n]->viewbox.width=image->columns;
2605 graphic_context[n]->viewbox.height=image->rows;
2607 token=AcquireString(primitive);
2608 extent=strlen(token)+MaxTextExtent;
2612 macros=GetMVGMacros(primitive);
2613 status=QueryColorDatabase(
"#000000",&start_color,&image->exception);
2614 for (q=primitive; *q !=
'\0'; )
2619 if (GetNextToken(q,&q,MaxTextExtent,keyword) < 1)
2621 if (*keyword ==
'\0')
2623 if (*keyword ==
'#')
2628 while ((*q !=
'\n') && (*q !=
'\0'))
2632 p=q-strlen(keyword)-1;
2633 primitive_type=UndefinedPrimitive;
2634 current=graphic_context[n]->affine;
2635 GetAffineMatrix(&affine);
2644 if (LocaleCompare(
"affine",keyword) == 0)
2646 (void) GetNextToken(q,&q,extent,token);
2647 affine.sx=GetDrawValue(token,&next_token);
2648 if (token == next_token)
2649 ThrowPointExpectedException(image,token);
2650 (void) GetNextToken(q,&q,extent,token);
2652 (void) GetNextToken(q,&q,extent,token);
2653 affine.ry=GetDrawValue(token,&next_token);
2654 if (token == next_token)
2655 ThrowPointExpectedException(image,token);
2656 (void) GetNextToken(q,&q,extent,token);
2658 (void) GetNextToken(q,&q,extent,token);
2659 affine.rx=GetDrawValue(token,&next_token);
2660 if (token == next_token)
2661 ThrowPointExpectedException(image,token);
2662 (void) GetNextToken(q,&q,extent,token);
2664 (void) GetNextToken(q,&q,extent,token);
2665 affine.sy=GetDrawValue(token,&next_token);
2666 if (token == next_token)
2667 ThrowPointExpectedException(image,token);
2668 (void) GetNextToken(q,&q,extent,token);
2670 (void) GetNextToken(q,&q,extent,token);
2671 affine.tx=GetDrawValue(token,&next_token);
2672 if (token == next_token)
2673 ThrowPointExpectedException(image,token);
2674 (void) GetNextToken(q,&q,extent,token);
2676 (void) GetNextToken(q,&q,extent,token);
2677 affine.ty=GetDrawValue(token,&next_token);
2678 if (token == next_token)
2679 ThrowPointExpectedException(image,token);
2682 if (LocaleCompare(
"arc",keyword) == 0)
2684 primitive_type=ArcPrimitive;
2693 if (LocaleCompare(
"bezier",keyword) == 0)
2695 primitive_type=BezierPrimitive;
2698 if (LocaleCompare(
"border-color",keyword) == 0)
2700 (void) GetNextToken(q,&q,extent,token);
2701 status&=QueryColorDatabase(token,&graphic_context[n]->border_color,
2711 if (LocaleCompare(
"class",keyword) == 0)
2716 (void) GetNextToken(q,&q,extent,token);
2717 if ((*token ==
'\0') || (*token ==
';'))
2725 for (i=0; i <= n; i++)
2726 if (LocaleCompare(token,graphic_context[i]->
id) == 0)
2730 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2731 if ((graphic_context[n]->render != MagickFalse) &&
2732 (mvg_class != (
const char *) NULL) && (p > primitive))
2743 (void) CloneString(&graphic_context[n]->
id,token);
2744 offset=(ssize_t) (p-primitive);
2745 elements=AcquireString(primitive);
2746 elements[offset]=
'\0';
2747 (void) ConcatenateString(&elements,mvg_class);
2748 (void) ConcatenateString(&elements,
"\n");
2749 (void) ConcatenateString(&elements,q);
2750 primitive=DestroyString(primitive);
2756 if (LocaleCompare(
"clip-path",keyword) == 0)
2764 (void) GetNextToken(q,&q,extent,token);
2770 (void) CloneString(&graphic_context[n]->clip_mask,token);
2771 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2772 if (clip_path != (
const char *) NULL)
2774 if (graphic_context[n]->clipping_mask != (Image *) NULL)
2775 graphic_context[n]->clipping_mask=
2776 DestroyImage(graphic_context[n]->clipping_mask);
2777 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2778 graphic_context[n],token,clip_path,&image->exception);
2779 if (graphic_context[n]->compliance != SVGCompliance)
2784 clip_path=(
const char *) GetValueFromSplayTree(macros,
2785 graphic_context[n]->clip_mask);
2786 if (clip_path != (
const char *) NULL)
2787 (void) SetImageArtifact(image,
2788 graphic_context[n]->clip_mask,clip_path);
2789 status&=DrawClipPath(image,graphic_context[n],
2790 graphic_context[n]->clip_mask);
2795 if (LocaleCompare(
"clip-rule",keyword) == 0)
2800 (void) GetNextToken(q,&q,extent,token);
2801 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2803 if (fill_rule == -1)
2808 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2811 if (LocaleCompare(
"clip-units",keyword) == 0)
2816 (void) GetNextToken(q,&q,extent,token);
2817 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2819 if (clip_units == -1)
2824 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2825 if (clip_units == ObjectBoundingBox)
2827 GetAffineMatrix(¤t);
2828 affine.sx=draw_info->bounds.x2;
2829 affine.sy=draw_info->bounds.y2;
2830 affine.tx=draw_info->bounds.x1;
2831 affine.ty=draw_info->bounds.y1;
2836 if (LocaleCompare(
"circle",keyword) == 0)
2838 primitive_type=CirclePrimitive;
2841 if (LocaleCompare(
"color",keyword) == 0)
2843 primitive_type=ColorPrimitive;
2846 if (LocaleCompare(
"compliance",keyword) == 0)
2852 (void) GetNextToken(q,&q,extent,token);
2853 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2854 MagickComplianceOptions,MagickFalse,token);
2857 if (LocaleCompare(
"currentColor",keyword) == 0)
2859 (void) GetNextToken(q,&q,extent,token);
2868 if (LocaleCompare(
"decorate",keyword) == 0)
2873 (void) GetNextToken(q,&q,extent,token);
2874 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2881 graphic_context[n]->decorate=(DecorationType) decorate;
2884 if (LocaleCompare(
"density",keyword) == 0)
2886 (void) GetNextToken(q,&q,extent,token);
2887 (void) CloneString(&graphic_context[n]->density,token);
2890 if (LocaleCompare(
"direction",keyword) == 0)
2895 (void) GetNextToken(q,&q,extent,token);
2896 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2898 if (direction == -1)
2901 graphic_context[n]->direction=(DirectionType) direction;
2910 if (LocaleCompare(
"ellipse",keyword) == 0)
2912 primitive_type=EllipsePrimitive;
2915 if (LocaleCompare(
"encoding",keyword) == 0)
2917 (void) GetNextToken(q,&q,extent,token);
2918 (void) CloneString(&graphic_context[n]->encoding,token);
2927 if (LocaleCompare(
"fill",keyword) == 0)
2932 (void) GetNextToken(q,&q,extent,token);
2933 if (graphic_context[n]->clip_path != MagickFalse)
2935 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2936 if (mvg_class != (
const char *) NULL)
2938 (void) DrawPatternPath(image,draw_info,mvg_class,
2939 &graphic_context[n]->fill_pattern);
2942 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
2943 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2945 (void) DrawPatternPath(image,draw_info,token,
2946 &graphic_context[n]->fill_pattern);
2949 status&=QueryColorDatabase(token,&graphic_context[n]->fill,
2951 if (graphic_context[n]->fill_opacity != (
double) OpaqueOpacity)
2952 graphic_context[n]->fill.opacity=ClampToQuantum(
2953 graphic_context[n]->fill_opacity);
2956 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2961 (void) GetNextToken(q,&q,extent,token);
2962 if (graphic_context[n]->clip_path != MagickFalse)
2964 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2965 opacity=MagickMin(MagickMax(factor*
2966 GetDrawValue(token,&next_token),0.0),1.0);
2967 if (token == next_token)
2968 ThrowPointExpectedException(image,token);
2969 if (graphic_context[n]->compliance == SVGCompliance)
2970 graphic_context[n]->fill_opacity*=(1.0-opacity);
2972 graphic_context[n]->fill_opacity=((MagickRealType) QuantumRange-
2973 graphic_context[n]->fill_opacity)*(1.0-opacity);
2974 if (graphic_context[n]->fill.opacity != TransparentOpacity)
2975 graphic_context[n]->fill.opacity=(Quantum)
2976 graphic_context[n]->fill_opacity;
2978 graphic_context[n]->fill.opacity=ClampToQuantum((MagickRealType)
2979 QuantumRange*(1.0-opacity));
2982 if (LocaleCompare(
"fill-rule",keyword) == 0)
2987 (void) GetNextToken(q,&q,extent,token);
2988 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2990 if (fill_rule == -1)
2995 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2998 if (LocaleCompare(
"font",keyword) == 0)
3000 (void) GetNextToken(q,&q,extent,token);
3001 (void) CloneString(&graphic_context[n]->font,token);
3002 if (LocaleCompare(
"none",token) == 0)
3003 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
3004 graphic_context[n]->font);
3007 if (LocaleCompare(
"font-family",keyword) == 0)
3009 (void) GetNextToken(q,&q,extent,token);
3010 (void) CloneString(&graphic_context[n]->family,token);
3013 if (LocaleCompare(
"font-size",keyword) == 0)
3015 (void) GetNextToken(q,&q,extent,token);
3016 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3017 if (token == next_token)
3018 ThrowPointExpectedException(image,token);
3021 if (LocaleCompare(
"font-stretch",keyword) == 0)
3026 (void) GetNextToken(q,&q,extent,token);
3027 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3033 graphic_context[n]->stretch=(StretchType) stretch;
3036 if (LocaleCompare(
"font-style",keyword) == 0)
3041 (void) GetNextToken(q,&q,extent,token);
3042 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3048 graphic_context[n]->style=(StyleType) style;
3051 if (LocaleCompare(
"font-weight",keyword) == 0)
3056 (void) GetNextToken(q,&q,extent,token);
3057 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3059 weight=(ssize_t) StringToUnsignedLong(token);
3060 graphic_context[n]->weight=(size_t) weight;
3069 if (LocaleCompare(
"gradient-units",keyword) == 0)
3071 (void) GetNextToken(q,&q,extent,token);
3074 if (LocaleCompare(
"gravity",keyword) == 0)
3079 (void) GetNextToken(q,&q,extent,token);
3080 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3086 graphic_context[n]->gravity=(GravityType) gravity;
3095 if (LocaleCompare(
"image",keyword) == 0)
3100 primitive_type=ImagePrimitive;
3101 (void) GetNextToken(q,&q,extent,token);
3102 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3108 graphic_context[n]->compose=(CompositeOperator) compose;
3111 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3113 (void) GetNextToken(q,&q,extent,token);
3114 graphic_context[n]->interline_spacing=GetDrawValue(token,
3116 if (token == next_token)
3117 ThrowPointExpectedException(image,token);
3120 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3122 (void) GetNextToken(q,&q,extent,token);
3123 graphic_context[n]->interword_spacing=GetDrawValue(token,
3125 if (token == next_token)
3126 ThrowPointExpectedException(image,token);
3135 if (LocaleCompare(
"kerning",keyword) == 0)
3137 (void) GetNextToken(q,&q,extent,token);
3138 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3139 if (token == next_token)
3140 ThrowPointExpectedException(image,token);
3149 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3151 (void) GetNextToken(q,&q,extent,token);
3152 if (IsPoint(token) == MagickFalse)
3154 clone_info=CloneDrawInfo((ImageInfo *) NULL,graphic_context[n]);
3155 clone_info->text=AcquireString(
" ");
3156 status&=GetTypeMetrics(image,clone_info,&metrics);
3157 graphic_context[n]->kerning=metrics.width*
3158 GetDrawValue(token,&next_token);
3159 clone_info=DestroyDrawInfo(clone_info);
3160 if (token == next_token)
3161 ThrowPointExpectedException(image,token);
3164 if (LocaleCompare(
"line",keyword) == 0)
3166 primitive_type=LinePrimitive;
3175 if (LocaleCompare(
"mask",keyword) == 0)
3183 (void) GetNextToken(q,&q,extent,token);
3184 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3185 if (mask_path != (
const char *) NULL)
3187 if (graphic_context[n]->composite_mask != (Image *) NULL)
3188 graphic_context[n]->composite_mask=
3189 DestroyImage(graphic_context[n]->composite_mask);
3190 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3191 graphic_context[n],token,mask_path,&image->exception);
3192 if (graphic_context[n]->compliance != SVGCompliance)
3193 status=SetImageMask(image,graphic_context[n]->composite_mask);
3197 if (LocaleCompare(
"matte",keyword) == 0)
3199 primitive_type=MattePrimitive;
3208 if (LocaleCompare(
"offset",keyword) == 0)
3210 (void) GetNextToken(q,&q,extent,token);
3213 if (LocaleCompare(
"opacity",keyword) == 0)
3218 (void) GetNextToken(q,&q,extent,token);
3219 if (graphic_context[n]->clip_path != MagickFalse)
3221 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3222 opacity=1.0-MagickMin(MagickMax(factor*
3223 GetDrawValue(token,&next_token),0.0),1.0);
3224 if (token == next_token)
3225 ThrowPointExpectedException(image,token);
3226 if (graphic_context[n]->compliance == SVGCompliance)
3228 graphic_context[n]->fill_opacity*=opacity;
3229 graphic_context[n]->stroke_opacity*=opacity;
3233 graphic_context[n]->fill_opacity=(double) QuantumRange*opacity;
3234 graphic_context[n]->stroke_opacity=(double) QuantumRange*
3237 if (graphic_context[n]->fill.opacity != (
double) TransparentOpacity)
3239 graphic_context[n]->fill.opacity=
3240 graphic_context[n]->fill_opacity;
3241 graphic_context[n]->stroke.opacity=
3242 graphic_context[n]->stroke_opacity;
3246 graphic_context[n]->fill.opacity=(MagickRealType)
3247 ClampToQuantum((
double) QuantumRange*opacity);
3248 graphic_context[n]->stroke.opacity=(MagickRealType)
3249 ClampToQuantum((
double) QuantumRange*opacity);
3259 if (LocaleCompare(
"path",keyword) == 0)
3261 primitive_type=PathPrimitive;
3264 if (LocaleCompare(
"point",keyword) == 0)
3266 primitive_type=PointPrimitive;
3269 if (LocaleCompare(
"polyline",keyword) == 0)
3271 primitive_type=PolylinePrimitive;
3274 if (LocaleCompare(
"polygon",keyword) == 0)
3276 primitive_type=PolygonPrimitive;
3279 if (LocaleCompare(
"pop",keyword) == 0)
3281 if (GetNextToken(q,&q,extent,token) < 1)
3283 if (LocaleCompare(
"class",token) == 0)
3285 if (LocaleCompare(
"clip-path",token) == 0)
3287 if (LocaleCompare(
"defs",token) == 0)
3290 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3294 if (LocaleCompare(
"gradient",token) == 0)
3296 if (LocaleCompare(
"graphic-context",token) == 0)
3300 (void) ThrowMagickException(&image->exception,
3301 GetMagickModule(),DrawError,
3302 "UnbalancedGraphicContextPushPop",
"`%s'",token);
3307 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3308 (graphic_context[n]->compliance != SVGCompliance))
3309 if (LocaleCompare(graphic_context[n]->clip_mask,
3310 graphic_context[n-1]->clip_mask) != 0)
3311 status=SetImageClipMask(image,(Image *) NULL);
3312 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3316 if (LocaleCompare(
"mask",token) == 0)
3318 if (LocaleCompare(
"pattern",token) == 0)
3320 if (LocaleCompare(
"symbol",token) == 0)
3323 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3330 if (LocaleCompare(
"push",keyword) == 0)
3332 if (GetNextToken(q,&q,extent,token) < 1)
3334 if (LocaleCompare(
"class",token) == 0)
3339 for (p=q; *q !=
'\0'; )
3341 if (GetNextToken(q,&q,extent,token) < 1)
3343 if (LocaleCompare(token,
"pop") != 0)
3345 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3346 if (LocaleCompare(token,
"class") != 0)
3350 (void) GetNextToken(q,&q,extent,token);
3353 if (LocaleCompare(
"clip-path",token) == 0)
3355 (void) GetNextToken(q,&q,extent,token);
3356 for (p=q; *q !=
'\0'; )
3358 if (GetNextToken(q,&q,extent,token) < 1)
3360 if (LocaleCompare(token,
"pop") != 0)
3362 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3363 if (LocaleCompare(token,
"clip-path") != 0)
3367 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3372 (void) GetNextToken(q,&q,extent,token);
3375 if (LocaleCompare(
"defs",token) == 0)
3378 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3382 if (LocaleCompare(
"gradient",token) == 0)
3385 key[2*MaxTextExtent],
3386 name[MaxTextExtent],
3387 type[MaxTextExtent];
3392 (void) GetNextToken(q,&q,extent,token);
3393 (void) CopyMagickString(name,token,MaxTextExtent);
3394 (void) GetNextToken(q,&q,extent,token);
3395 (void) CopyMagickString(type,token,MaxTextExtent);
3396 (void) GetNextToken(q,&q,extent,token);
3397 segment.x1=GetDrawValue(token,&next_token);
3398 if (token == next_token)
3399 ThrowPointExpectedException(image,token);
3400 (void) GetNextToken(q,&q,extent,token);
3402 (void) GetNextToken(q,&q,extent,token);
3403 segment.y1=GetDrawValue(token,&next_token);
3404 if (token == next_token)
3405 ThrowPointExpectedException(image,token);
3406 (void) GetNextToken(q,&q,extent,token);
3408 (void) GetNextToken(q,&q,extent,token);
3409 segment.x2=GetDrawValue(token,&next_token);
3410 if (token == next_token)
3411 ThrowPointExpectedException(image,token);
3412 (void) GetNextToken(q,&q,extent,token);
3414 (void) GetNextToken(q,&q,extent,token);
3415 segment.y2=GetDrawValue(token,&next_token);
3416 if (token == next_token)
3417 ThrowPointExpectedException(image,token);
3418 if (LocaleCompare(type,
"radial") == 0)
3420 (void) GetNextToken(q,&q,extent,token);
3422 (void) GetNextToken(q,&q,extent,token);
3424 for (p=q; *q !=
'\0'; )
3426 if (GetNextToken(q,&q,extent,token) < 1)
3428 if (LocaleCompare(token,
"pop") != 0)
3430 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3431 if (LocaleCompare(token,
"gradient") != 0)
3435 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3436 (p == (
char *) NULL) || ((q-4) < p))
3441 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3442 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3443 graphic_context[n]->affine.ry*segment.y1+
3444 graphic_context[n]->affine.tx;
3445 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3446 graphic_context[n]->affine.sy*segment.y1+
3447 graphic_context[n]->affine.ty;
3448 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3449 graphic_context[n]->affine.ry*segment.y2+
3450 graphic_context[n]->affine.tx;
3451 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3452 graphic_context[n]->affine.sy*segment.y2+
3453 graphic_context[n]->affine.ty;
3454 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3455 (void) SetImageArtifact(image,key,token);
3456 (void) FormatLocaleString(key,MaxTextExtent,
"%s-type",name);
3457 (void) SetImageArtifact(image,key,type);
3458 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3459 (void) FormatLocaleString(geometry,MaxTextExtent,
3460 "%gx%g%+.15g%+.15g",
3461 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3462 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3463 bounds.x1,bounds.y1);
3464 (void) SetImageArtifact(image,key,geometry);
3465 (void) GetNextToken(q,&q,extent,token);
3468 if (LocaleCompare(
"graphic-context",token) == 0)
3471 graphic_context=(DrawInfo **) ResizeQuantumMemory(
3472 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3473 if (graphic_context == (DrawInfo **) NULL)
3475 (void) ThrowMagickException(&image->exception,
3476 GetMagickModule(),ResourceLimitError,
3477 "MemoryAllocationFailed",
"`%s'",image->filename);
3480 graphic_context[n]=CloneDrawInfo((ImageInfo *) NULL,
3481 graphic_context[n-1]);
3484 (void) GetNextToken(q,&q,extent,token);
3485 (void) CloneString(&graphic_context[n]->
id,token);
3489 if (LocaleCompare(
"mask",token) == 0)
3491 (void) GetNextToken(q,&q,extent,token);
3494 if (LocaleCompare(
"pattern",token) == 0)
3499 (void) GetNextToken(q,&q,extent,token);
3500 (void) CopyMagickString(name,token,MaxTextExtent);
3501 (void) GetNextToken(q,&q,extent,token);
3502 bounds.x=CastDoubleToLong(ceil(GetDrawValue(token,
3504 if (token == next_token)
3505 ThrowPointExpectedException(image,token);
3506 (void) GetNextToken(q,&q,extent,token);
3508 (void) GetNextToken(q,&q,extent,token);
3509 bounds.y=CastDoubleToLong(ceil(GetDrawValue(token,
3511 if (token == next_token)
3512 ThrowPointExpectedException(image,token);
3513 (void) GetNextToken(q,&q,extent,token);
3515 (void) GetNextToken(q,&q,extent,token);
3516 bounds.width=CastDoubleToUnsigned(GetDrawValue(token,
3518 if (token == next_token)
3519 ThrowPointExpectedException(image,token);
3520 (void) GetNextToken(q,&q,extent,token);
3522 (void) GetNextToken(q,&q,extent,token);
3523 bounds.height=CastDoubleToUnsigned(GetDrawValue(token,
3525 if (token == next_token)
3526 ThrowPointExpectedException(image,token);
3527 for (p=q; *q !=
'\0'; )
3529 if (GetNextToken(q,&q,extent,token) < 1)
3531 if (LocaleCompare(token,
"pop") != 0)
3533 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3534 if (LocaleCompare(token,
"pattern") != 0)
3538 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3543 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3544 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3545 (void) SetImageArtifact(image,key,token);
3546 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3547 (void) FormatLocaleString(geometry,MaxTextExtent,
3548 "%.20gx%.20g%+.20g%+.20g",(
double) bounds.width,(
double)
3549 bounds.height,(
double) bounds.x,(
double) bounds.y);
3550 (void) SetImageArtifact(image,key,geometry);
3551 (void) GetNextToken(q,&q,extent,token);
3554 if (LocaleCompare(
"symbol",token) == 0)
3557 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3570 if (LocaleCompare(
"rectangle",keyword) == 0)
3572 primitive_type=RectanglePrimitive;
3575 if (LocaleCompare(
"rotate",keyword) == 0)
3577 (void) GetNextToken(q,&q,extent,token);
3578 angle=GetDrawValue(token,&next_token);
3579 if (token == next_token)
3580 ThrowPointExpectedException(image,token);
3581 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3582 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3583 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3584 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3587 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3589 primitive_type=RoundRectanglePrimitive;
3598 if (LocaleCompare(
"scale",keyword) == 0)
3600 (void) GetNextToken(q,&q,extent,token);
3601 affine.sx=GetDrawValue(token,&next_token);
3602 if (token == next_token)
3603 ThrowPointExpectedException(image,token);
3604 (void) GetNextToken(q,&q,extent,token);
3606 (void) GetNextToken(q,&q,extent,token);
3607 affine.sy=GetDrawValue(token,&next_token);
3608 if (token == next_token)
3609 ThrowPointExpectedException(image,token);
3612 if (LocaleCompare(
"skewX",keyword) == 0)
3614 (void) GetNextToken(q,&q,extent,token);
3615 angle=GetDrawValue(token,&next_token);
3616 if (token == next_token)
3617 ThrowPointExpectedException(image,token);
3618 affine.ry=sin(DegreesToRadians(angle));
3621 if (LocaleCompare(
"skewY",keyword) == 0)
3623 (void) GetNextToken(q,&q,extent,token);
3624 angle=GetDrawValue(token,&next_token);
3625 if (token == next_token)
3626 ThrowPointExpectedException(image,token);
3627 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3630 if (LocaleCompare(
"stop-color",keyword) == 0)
3638 (void) GetNextToken(q,&q,extent,token);
3639 status&=QueryColorDatabase(token,&stop_color,&image->exception);
3640 type=LinearGradient;
3641 if (draw_info->gradient.type == RadialGradient)
3642 type=RadialGradient;
3643 (void) GradientImage(image,type,PadSpread,&start_color,&stop_color);
3644 start_color=stop_color;
3645 (void) GetNextToken(q,&q,extent,token);
3648 if (LocaleCompare(
"stroke",keyword) == 0)
3653 (void) GetNextToken(q,&q,extent,token);
3654 if (graphic_context[n]->clip_path != MagickFalse)
3656 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3657 if (mvg_class != (
const char *) NULL)
3659 (void) DrawPatternPath(image,draw_info,mvg_class,
3660 &graphic_context[n]->stroke_pattern);
3663 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
3664 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3666 (void) DrawPatternPath(image,draw_info,token,
3667 &graphic_context[n]->stroke_pattern);
3670 status&=QueryColorDatabase(token,&graphic_context[n]->stroke,
3672 if (graphic_context[n]->stroke_opacity != (MagickRealType) OpaqueOpacity)
3673 graphic_context[n]->stroke.opacity=ClampToQuantum(
3674 graphic_context[n]->stroke_opacity);
3677 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3679 (void) GetNextToken(q,&q,extent,token);
3680 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3681 MagickTrue : MagickFalse;
3684 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3686 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3687 graphic_context[n]->dash_pattern=(
double *)
3688 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3689 if (IsPoint(q) != MagickFalse)
3695 (void) GetNextToken(p,&p,extent,token);
3697 (void) GetNextToken(p,&p,extent,token);
3698 for (x=0; IsPoint(token) != MagickFalse; x++)
3700 (void) GetNextToken(p,&p,extent,token);
3702 (void) GetNextToken(p,&p,extent,token);
3704 graphic_context[n]->dash_pattern=(
double *)
3705 AcquireQuantumMemory((
size_t) (2*x+2),
3706 sizeof(*graphic_context[n]->dash_pattern));
3707 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3709 (void) ThrowMagickException(&image->exception,
3710 GetMagickModule(),ResourceLimitError,
3711 "MemoryAllocationFailed",
"`%s'",image->filename);
3715 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3716 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3717 for (j=0; j < x; j++)
3719 (void) GetNextToken(q,&q,extent,token);
3721 (void) GetNextToken(q,&q,extent,token);
3722 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3724 if (token == next_token)
3725 ThrowPointExpectedException(image,token);
3726 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3729 if ((x & 0x01) != 0)
3730 for ( ; j < (2*x); j++)
3731 graphic_context[n]->dash_pattern[j]=
3732 graphic_context[n]->dash_pattern[j-x];
3733 graphic_context[n]->dash_pattern[j]=0.0;
3736 (void) GetNextToken(q,&q,extent,token);
3739 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3741 (void) GetNextToken(q,&q,extent,token);
3742 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3743 if (token == next_token)
3744 ThrowPointExpectedException(image,token);
3747 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3752 (void) GetNextToken(q,&q,extent,token);
3753 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3759 graphic_context[n]->linecap=(LineCap) linecap;
3762 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3767 (void) GetNextToken(q,&q,extent,token);
3768 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3775 graphic_context[n]->linejoin=(LineJoin) linejoin;
3778 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3780 (void) GetNextToken(q,&q,extent,token);
3781 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3784 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3789 (void) GetNextToken(q,&q,extent,token);
3790 if (graphic_context[n]->clip_path != MagickFalse)
3792 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3793 opacity=MagickMin(MagickMax(factor*
3794 GetDrawValue(token,&next_token),0.0),1.0);
3795 if (token == next_token)
3796 ThrowPointExpectedException(image,token);
3797 if (graphic_context[n]->compliance == SVGCompliance)
3798 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3800 graphic_context[n]->stroke_opacity=((MagickRealType) QuantumRange-
3801 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3802 if (graphic_context[n]->stroke.opacity != TransparentOpacity)
3803 graphic_context[n]->stroke.opacity=(Quantum)
3804 graphic_context[n]->stroke_opacity;
3806 graphic_context[n]->stroke.opacity=ClampToQuantum(
3807 (MagickRealType) QuantumRange*opacity);
3810 if (LocaleCompare(
"stroke-width",keyword) == 0)
3812 (void) GetNextToken(q,&q,extent,token);
3813 if (graphic_context[n]->clip_path != MagickFalse)
3815 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3816 if ((token == next_token) ||
3817 (graphic_context[n]->stroke_width < 0.0))
3818 ThrowPointExpectedException(image,token);
3827 if (LocaleCompare(
"text",keyword) == 0)
3829 primitive_type=TextPrimitive;
3833 if (LocaleCompare(
"text-align",keyword) == 0)
3838 (void) GetNextToken(q,&q,extent,token);
3839 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3845 graphic_context[n]->align=(AlignType) align;
3848 if (LocaleCompare(
"text-anchor",keyword) == 0)
3853 (void) GetNextToken(q,&q,extent,token);
3854 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3860 graphic_context[n]->align=(AlignType) align;
3863 if (LocaleCompare(
"text-antialias",keyword) == 0)
3865 (void) GetNextToken(q,&q,extent,token);
3866 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3867 MagickTrue : MagickFalse;
3870 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3872 (void) GetNextToken(q,&q,extent,token);
3873 status&=QueryColorDatabase(token,&graphic_context[n]->undercolor,
3877 if (LocaleCompare(
"translate",keyword) == 0)
3879 (void) GetNextToken(q,&q,extent,token);
3880 affine.tx=GetDrawValue(token,&next_token);
3881 if (token == next_token)
3882 ThrowPointExpectedException(image,token);
3883 (void) GetNextToken(q,&q,extent,token);
3885 (void) GetNextToken(q,&q,extent,token);
3886 affine.ty=GetDrawValue(token,&next_token);
3887 if (token == next_token)
3888 ThrowPointExpectedException(image,token);
3897 if (LocaleCompare(
"use",keyword) == 0)
3905 (void) GetNextToken(q,&q,extent,token);
3906 use=(
const char *) GetValueFromSplayTree(macros,token);
3907 if (use != (
const char *) NULL)
3909 clone_info=CloneDrawInfo((ImageInfo *) NULL,graphic_context[n]);
3910 (void) CloneString(&clone_info->primitive,use);
3911 status=RenderMVGContent(image,clone_info,depth+1);
3912 clone_info=DestroyDrawInfo(clone_info);
3922 if (LocaleCompare(
"viewbox",keyword) == 0)
3924 (void) GetNextToken(q,&q,extent,token);
3925 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3926 GetDrawValue(token,&next_token)-0.5));
3927 if (token == next_token)
3928 ThrowPointExpectedException(image,token);
3929 (void) GetNextToken(q,&q,extent,token);
3931 (void) GetNextToken(q,&q,extent,token);
3932 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3933 GetDrawValue(token,&next_token)-0.5));
3934 if (token == next_token)
3935 ThrowPointExpectedException(image,token);
3936 (void) GetNextToken(q,&q,extent,token);
3938 (void) GetNextToken(q,&q,extent,token);
3939 graphic_context[n]->viewbox.width=CastDoubleToUnsigned(
3940 GetDrawValue(token,&next_token)+0.5);
3941 if (token == next_token)
3942 ThrowPointExpectedException(image,token);
3943 (void) GetNextToken(q,&q,extent,token);
3945 (void) GetNextToken(q,&q,extent,token);
3946 graphic_context[n]->viewbox.height=CastDoubleToUnsigned(
3947 GetDrawValue(token,&next_token)+0.5);
3948 if (token == next_token)
3949 ThrowPointExpectedException(image,token);
3958 if (LocaleCompare(
"word-spacing",keyword) == 0)
3960 (void) GetNextToken(q,&q,extent,token);
3961 graphic_context[n]->interword_spacing=GetDrawValue(token,
3963 if (token == next_token)
3964 ThrowPointExpectedException(image,token);
3976 if (status == MagickFalse)
3978 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3979 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3980 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3981 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3983 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3984 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3985 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3986 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3987 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3989 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3992 if (primitive_type == UndefinedPrimitive)
3994 if ((draw_info->debug != MagickFalse) && (q > p))
3995 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(
int)
4002 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4003 if (primitive_info[i].text != (
char *) NULL)
4004 primitive_info[i].text=DestroyString(primitive_info[i].text);
4008 primitive_info[0].point.x=0.0;
4009 primitive_info[0].point.y=0.0;
4010 primitive_info[0].coordinates=0;
4011 primitive_info[0].method=FloodfillMethod;
4012 primitive_info[0].closed_subpath=MagickFalse;
4013 for (x=0; *q !=
'\0'; x++)
4018 if (IsPoint(q) == MagickFalse)
4020 (void) GetNextToken(q,&q,extent,token);
4021 point.x=GetDrawValue(token,&next_token);
4022 if (token == next_token)
4023 ThrowPointExpectedException(image,token);
4024 (void) GetNextToken(q,&q,extent,token);
4026 (void) GetNextToken(q,&q,extent,token);
4027 point.y=GetDrawValue(token,&next_token);
4028 if (token == next_token)
4029 ThrowPointExpectedException(image,token);
4030 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4032 (void) GetNextToken(q,&q,extent,token);
4033 primitive_info[i].primitive=primitive_type;
4034 primitive_info[i].point=point;
4035 primitive_info[i].coordinates=0;
4036 primitive_info[i].method=FloodfillMethod;
4037 primitive_info[i].closed_subpath=MagickFalse;
4040 if (i < (ssize_t) number_points)
4042 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4043 primitive_info=(*mvg_info.primitive_info);
4045 if (status == MagickFalse)
4047 if (primitive_info[j].text != (
char *) NULL)
4048 primitive_info[j].text=DestroyString(primitive_info[j].text);
4049 primitive_info[j].primitive=primitive_type;
4050 primitive_info[j].coordinates=(size_t) x;
4051 primitive_info[j].method=FloodfillMethod;
4052 primitive_info[j].closed_subpath=MagickFalse;
4056 bounds.x1=primitive_info[j].point.x;
4057 bounds.y1=primitive_info[j].point.y;
4058 bounds.x2=primitive_info[j].point.x;
4059 bounds.y2=primitive_info[j].point.y;
4060 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4062 point=primitive_info[j+k].point;
4063 if (point.x < bounds.x1)
4065 if (point.y < bounds.y1)
4067 if (point.x > bounds.x2)
4069 if (point.y > bounds.y2)
4075 coordinates=(double) primitive_info[j].coordinates;
4076 switch (primitive_type)
4078 case RectanglePrimitive:
4083 case RoundRectanglePrimitive:
4090 alpha=bounds.x2-bounds.x1;
4091 beta=bounds.y2-bounds.y1;
4092 radius=hypot(alpha,beta);
4094 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4095 BezierQuantum+360.0;
4098 case BezierPrimitive:
4100 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4109 (void) GetNextToken(q,&q,extent,token);
4112 for (s=token; *s !=
'\0'; s=t)
4117 value=GetDrawValue(s,&t);
4126 for (s=token; *s !=
'\0'; s++)
4127 if (strspn(s,
"AaCcQqSsTt") != 0)
4128 coordinates+=(20.0*BezierQuantum)+360.0;
4134 if (status == MagickFalse)
4136 if (((
size_t) (i+coordinates)) >= number_points)
4141 number_points+=coordinates+1;
4142 if (number_points < (
size_t) coordinates)
4144 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4145 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4150 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4151 primitive_info=(*mvg_info.primitive_info);
4153 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4154 primitive_info=(*mvg_info.primitive_info);
4155 if (status == MagickFalse)
4158 switch (primitive_type)
4160 case PointPrimitive:
4163 if (primitive_info[j].coordinates != 1)
4168 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4169 primitive_info=(*mvg_info.primitive_info);
4170 i=(ssize_t) (j+primitive_info[j].coordinates);
4175 if (primitive_info[j].coordinates != 2)
4180 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4181 primitive_info[j+1].point);
4182 primitive_info=(*mvg_info.primitive_info);
4183 i=(ssize_t) (j+primitive_info[j].coordinates);
4186 case RectanglePrimitive:
4188 if (primitive_info[j].coordinates != 2)
4193 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4194 primitive_info[j+1].point);
4195 primitive_info=(*mvg_info.primitive_info);
4196 i=(ssize_t) (j+primitive_info[j].coordinates);
4199 case RoundRectanglePrimitive:
4201 if (primitive_info[j].coordinates != 3)
4206 if ((primitive_info[j+2].point.x < 0.0) ||
4207 (primitive_info[j+2].point.y < 0.0))
4212 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4217 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4222 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4223 primitive_info[j+1].point,primitive_info[j+2].point);
4224 primitive_info=(*mvg_info.primitive_info);
4225 i=(ssize_t) (j+primitive_info[j].coordinates);
4230 if (primitive_info[j].coordinates != 3)
4235 status&=TraceArc(&mvg_info,primitive_info[j].point,
4236 primitive_info[j+1].point,primitive_info[j+2].point);
4237 primitive_info=(*mvg_info.primitive_info);
4238 i=(ssize_t) (j+primitive_info[j].coordinates);
4241 case EllipsePrimitive:
4243 if (primitive_info[j].coordinates != 3)
4248 if ((primitive_info[j+1].point.x < 0.0) ||
4249 (primitive_info[j+1].point.y < 0.0))
4254 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4255 primitive_info[j+1].point,primitive_info[j+2].point);
4256 primitive_info=(*mvg_info.primitive_info);
4257 i=(ssize_t) (j+primitive_info[j].coordinates);
4260 case CirclePrimitive:
4262 if (primitive_info[j].coordinates != 2)
4267 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4268 primitive_info[j+1].point);
4269 primitive_info=(*mvg_info.primitive_info);
4270 i=(ssize_t) (j+primitive_info[j].coordinates);
4273 case PolylinePrimitive:
4275 if (primitive_info[j].coordinates < 1)
4282 case PolygonPrimitive:
4284 if (primitive_info[j].coordinates < 3)
4289 primitive_info[i]=primitive_info[j];
4290 primitive_info[i].coordinates=0;
4291 primitive_info[j].coordinates++;
4292 primitive_info[j].closed_subpath=MagickTrue;
4296 case BezierPrimitive:
4298 if (primitive_info[j].coordinates < 3)
4303 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4304 primitive_info=(*mvg_info.primitive_info);
4305 i=(ssize_t) (j+primitive_info[j].coordinates);
4310 coordinates=(double) TracePath(image,&mvg_info,token);
4311 primitive_info=(*mvg_info.primitive_info);
4312 if (coordinates < 0.0)
4317 i=(ssize_t) (j+coordinates);
4320 case ColorPrimitive:
4321 case MattePrimitive:
4326 if (primitive_info[j].coordinates != 1)
4331 (void) GetNextToken(q,&q,extent,token);
4332 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4338 primitive_info[j].method=(PaintMethod) method;
4344 geometry[MagickPathExtent];
4346 if (primitive_info[j].coordinates != 1)
4352 (void) GetNextToken(q,&q,extent,token);
4353 (void) CloneString(&primitive_info[j].text,token);
4357 clone_info=CloneDrawInfo((ImageInfo *) NULL,graphic_context[n]);
4358 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4359 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4361 mvg_info.point=primitive_info->point;
4362 primitive_info->point.x+=cursor;
4366 mvg_info.point=primitive_info->point;
4369 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
4370 primitive_info->point.x,primitive_info->point.y);
4371 clone_info->render=MagickFalse;
4372 clone_info->text=AcquireString(token);
4373 status&=GetTypeMetrics(image,clone_info,&metrics);
4374 clone_info=DestroyDrawInfo(clone_info);
4375 cursor+=metrics.width;
4376 if (graphic_context[n]->compliance != SVGCompliance)
4380 case ImagePrimitive:
4382 if (primitive_info[j].coordinates != 2)
4387 (void) GetNextToken(q,&q,extent,token);
4388 (void) CloneString(&primitive_info[j].text,token);
4395 primitive_info[i].primitive=UndefinedPrimitive;
4396 if ((draw_info->debug != MagickFalse) && (q > p))
4397 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(
int) (q-p),p);
4401 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4402 &graphic_context[n]->affine));
4403 primitive_info=(*mvg_info.primitive_info);
4406 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4407 graphic_context[n]->stroke_width);
4408 primitive_info=(*mvg_info.primitive_info);
4416 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4418 point=primitive_info[i].point;
4419 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4420 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4421 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4422 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4423 point=primitive_info[i].point;
4424 if (point.x < graphic_context[n]->bounds.x1)
4425 graphic_context[n]->bounds.x1=point.x;
4426 if (point.y < graphic_context[n]->bounds.y1)
4427 graphic_context[n]->bounds.y1=point.y;
4428 if (point.x > graphic_context[n]->bounds.x2)
4429 graphic_context[n]->bounds.x2=point.x;
4430 if (point.y > graphic_context[n]->bounds.y2)
4431 graphic_context[n]->bounds.y2=point.y;
4432 if (primitive_info[i].primitive == ImagePrimitive)
4434 if (i >= (ssize_t) number_points)
4435 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4437 if (graphic_context[n]->render != MagickFalse)
4439 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4440 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4441 (LocaleCompare(graphic_context[n]->clip_mask,
4442 graphic_context[n-1]->clip_mask) != 0))
4447 clip_path=(
const char *) GetValueFromSplayTree(macros,
4448 graphic_context[n]->clip_mask);
4449 if (clip_path != (
const char *) NULL)
4450 (void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4452 status&=DrawClipPath(image,graphic_context[n],
4453 graphic_context[n]->clip_mask);
4455 status&=DrawPrimitive(image,graphic_context[n],primitive_info);
4457 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4459 if (proceed == MagickFalse)
4464 if (draw_info->debug != MagickFalse)
4465 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4469 macros=DestroySplayTree(macros);
4470 token=DestroyString(token);
4471 if (primitive_info != (PrimitiveInfo *) NULL)
4473 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4474 if (primitive_info[i].text != (
char *) NULL)
4475 primitive_info[i].text=DestroyString(primitive_info[i].text);
4476 primitive_info=(PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4478 primitive=DestroyString(primitive);
4479 for ( ; n >= 0; n--)
4480 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4481 graphic_context=(DrawInfo **) RelinquishMagickMemory(graphic_context);
4482 if (status == MagickFalse)
4483 ThrowBinaryImageException(DrawError,
4484 "NonconformingDrawingPrimitiveDefinition",keyword);
4485 return(status != 0 ? MagickTrue : MagickFalse);
4488MagickExport MagickBooleanType DrawImage(Image *image,
const DrawInfo *draw_info)
4490 return(RenderMVGContent(image,draw_info,0));
4522MagickExport MagickBooleanType DrawPatternPath(Image *image,
4523 const DrawInfo *draw_info,
const char *name,Image **pattern)
4526 property[MaxTextExtent];
4542 assert(image != (Image *) NULL);
4543 assert(image->signature == MagickCoreSignature);
4544 assert(draw_info != (
const DrawInfo *) NULL);
4545 if (IsEventLogging() != MagickFalse)
4546 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4547 assert(name != (
const char *) NULL);
4548 (void) FormatLocaleString(property,MaxTextExtent,
"%s",name);
4549 path=GetImageArtifact(image,property);
4550 if (path == (
const char *) NULL)
4551 return(MagickFalse);
4552 (void) FormatLocaleString(property,MaxTextExtent,
"%s-geometry",name);
4553 geometry=GetImageArtifact(image,property);
4554 if (geometry == (
const char *) NULL)
4555 return(MagickFalse);
4556 if ((*pattern) != (Image *) NULL)
4557 *pattern=DestroyImage(*pattern);
4558 image_info=AcquireImageInfo();
4559 image_info->size=AcquireString(geometry);
4560 *pattern=AcquireImage(image_info);
4561 image_info=DestroyImageInfo(image_info);
4562 (void) QueryColorDatabase(
"#00000000",&(*pattern)->background_color,
4564 (void) SetImageBackgroundColor(*pattern);
4565 if (draw_info->debug != MagickFalse)
4566 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4567 "begin pattern-path %s %s",name,geometry);
4568 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
4569 if (clone_info->fill_pattern != (Image *) NULL)
4570 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4571 if (clone_info->stroke_pattern != (Image *) NULL)
4572 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4573 (void) FormatLocaleString(property,MaxTextExtent,
"%s-type",name);
4574 type=GetImageArtifact(image,property);
4575 if (type != (
const char *) NULL)
4576 clone_info->gradient.type=(GradientType) ParseCommandOption(
4577 MagickGradientOptions,MagickFalse,type);
4578 (void) CloneString(&clone_info->primitive,path);
4579 status=RenderMVGContent(*pattern,clone_info,0);
4580 clone_info=DestroyDrawInfo(clone_info);
4581 if (draw_info->debug != MagickFalse)
4582 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4614static PolygonInfo **DestroyPolygonTLS(PolygonInfo **polygon_info)
4619 assert(polygon_info != (PolygonInfo **) NULL);
4620 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4621 if (polygon_info[i] != (PolygonInfo *) NULL)
4622 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4623 polygon_info=(PolygonInfo **) RelinquishMagickMemory(polygon_info);
4624 return(polygon_info);
4627static PolygonInfo **AcquirePolygonTLS(
const DrawInfo *draw_info,
4628 const PrimitiveInfo *primitive_info,ExceptionInfo *exception)
4631 *magick_restrict path_info;
4639 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4640 polygon_info=(PolygonInfo **) AcquireQuantumMemory(number_threads,
4641 sizeof(*polygon_info));
4642 if (polygon_info == (PolygonInfo **) NULL)
4644 (void) ThrowMagickException(exception,GetMagickModule(),
4645 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4646 return((PolygonInfo **) NULL);
4648 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4649 path_info=ConvertPrimitiveToPath(draw_info,primitive_info,exception);
4650 if (path_info == (PathInfo *) NULL)
4651 return(DestroyPolygonTLS(polygon_info));
4652 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4653 if (polygon_info[0] == (PolygonInfo *) NULL)
4655 (void) ThrowMagickException(exception,GetMagickModule(),
4656 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4657 return(DestroyPolygonTLS(polygon_info));
4659 path_info=(PathInfo *) RelinquishMagickMemory(path_info);
4660 return(polygon_info);
4663static MagickBooleanType AcquirePolygonEdgesTLS(PolygonInfo **polygon_info,
4664 const size_t number_threads,ExceptionInfo *exception)
4669 for (i=1; i < (ssize_t) number_threads; i++)
4677 polygon_info[i]=(PolygonInfo *) AcquireMagickMemory(
4678 sizeof(*polygon_info[i]));
4679 if (polygon_info[i] == (PolygonInfo *) NULL)
4681 (void) ThrowMagickException(exception,GetMagickModule(),
4682 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4683 return(MagickFalse);
4685 polygon_info[i]->number_edges=0;
4686 edge_info=polygon_info[0]->edges;
4687 polygon_info[i]->edges=(EdgeInfo *) AcquireQuantumMemory(
4688 polygon_info[0]->number_edges,
sizeof(*edge_info));
4689 if (polygon_info[i]->edges == (EdgeInfo *) NULL)
4691 (void) ThrowMagickException(exception,GetMagickModule(),
4692 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4693 return(MagickFalse);
4695 (void) memcpy(polygon_info[i]->edges,edge_info,
4696 polygon_info[0]->number_edges*
sizeof(*edge_info));
4697 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4698 polygon_info[i]->edges[j].points=(PointInfo *) NULL;
4699 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4700 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4702 edge_info=polygon_info[0]->edges+j;
4703 polygon_info[i]->edges[j].points=(PointInfo *) AcquireQuantumMemory(
4704 edge_info->number_points,
sizeof(*edge_info));
4705 if (polygon_info[i]->edges[j].points == (PointInfo *) NULL)
4707 (void) ThrowMagickException(exception,GetMagickModule(),
4708 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4709 return(MagickFalse);
4711 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4712 edge_info->number_points*
sizeof(*edge_info->points));
4718static size_t DestroyEdge(PolygonInfo *polygon_info,
const ssize_t edge)
4720 assert(edge < (ssize_t) polygon_info->number_edges);
4721 polygon_info->edges[edge].points=(PointInfo *) RelinquishMagickMemory(
4722 polygon_info->edges[edge].points);
4723 polygon_info->number_edges--;
4724 if (edge < (ssize_t) polygon_info->number_edges)
4725 (void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4726 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4727 return(polygon_info->number_edges);
4730static double GetOpacityPixel(PolygonInfo *polygon_info,
const double mid,
4731 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4732 const ssize_t y,
double *stroke_opacity)
4759 *stroke_opacity=0.0;
4760 subpath_opacity=0.0;
4761 p=polygon_info->edges;
4762 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4764 if ((
double) y <= (p->bounds.y1-mid-0.5))
4766 if ((
double) y > (p->bounds.y2+mid+0.5))
4769 (void) DestroyEdge(polygon_info,j--);
4772 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4773 ((
double) x > (p->bounds.x2+mid+0.5)))
4775 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4776 for ( ; i < (ssize_t) p->number_points; i++)
4778 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4780 if ((
double) y > (p->points[i].y+mid+0.5))
4782 if (p->scanline != (
double) y)
4784 p->scanline=(double) y;
4785 p->highwater=(size_t) i;
4791 delta.x=(q+1)->x-q->x;
4792 delta.y=(q+1)->y-q->y;
4793 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4796 delta.x=(double) x-q->x;
4797 delta.y=(double) y-q->y;
4798 distance=delta.x*delta.x+delta.y*delta.y;
4802 alpha=delta.x*delta.x+delta.y*delta.y;
4805 delta.x=(double) x-(q+1)->x;
4806 delta.y=(double) y-(q+1)->y;
4807 distance=delta.x*delta.x+delta.y*delta.y;
4811 alpha=MagickSafeReciprocal(alpha);
4812 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4813 distance=alpha*beta*beta;
4820 if (p->ghostline == MagickFalse)
4823 if ((*stroke_opacity < 1.0) &&
4824 (distance <= ((alpha+0.25)*(alpha+0.25))))
4827 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4828 *stroke_opacity=1.0;
4832 if (fabs(distance-1.0) >= MagickEpsilon)
4833 beta=sqrt((
double) distance);
4835 if (*stroke_opacity < ((alpha-0.25)*(alpha-0.25)))
4836 *stroke_opacity=(alpha-0.25)*(alpha-0.25);
4840 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_opacity >= 1.0))
4842 if (distance <= 0.0)
4844 subpath_opacity=1.0;
4849 if (fabs(beta) < MagickEpsilon)
4852 if (fabs(distance-1.0) >= MagickEpsilon)
4853 beta=sqrt(distance);
4856 if (subpath_opacity < (alpha*alpha))
4857 subpath_opacity=alpha*alpha;
4863 if (fill == MagickFalse)
4865 if (subpath_opacity >= 1.0)
4871 p=polygon_info->edges;
4872 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4874 if ((
double) y <= p->bounds.y1)
4876 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4878 if ((
double) x > p->bounds.x2)
4880 winding_number+=p->direction != 0 ? 1 : -1;
4883 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4884 for ( ; i < (ssize_t) (p->number_points-1); i++)
4885 if ((
double) y <= p->points[i].y)
4888 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4889 winding_number+=p->direction != 0 ? 1 : -1;
4891 if (fill_rule != NonZeroRule)
4893 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4897 if (MagickAbsoluteValue(winding_number) != 0)
4899 return(subpath_opacity);
4902static MagickBooleanType DrawPolygonPrimitive(Image *image,
4903 const DrawInfo *draw_info,
const PrimitiveInfo *primitive_info)
4905 typedef struct _ExtentInfo
4934 **magick_restrict polygon_info;
4949 assert(image != (Image *) NULL);
4950 assert(image->signature == MagickCoreSignature);
4951 assert(draw_info != (DrawInfo *) NULL);
4952 assert(draw_info->signature == MagickCoreSignature);
4953 assert(primitive_info != (PrimitiveInfo *) NULL);
4954 if (IsEventLogging() != MagickFalse)
4955 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4956 if (primitive_info->coordinates <= 1)
4961 polygon_info=AcquirePolygonTLS(draw_info,primitive_info,&image->exception);
4962 if (polygon_info == (PolygonInfo **) NULL)
4963 return(MagickFalse);
4964 if (draw_info->debug != MagickFalse)
4965 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4966 fill=(primitive_info->method == FillToBorderMethod) ||
4967 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4968 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4969 bounds=polygon_info[0]->edges[0].bounds;
4970 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4971 if (IsStringTrue(artifact) != MagickFalse)
4972 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0]);
4973 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4975 p=polygon_info[0]->edges+i;
4976 if (p->bounds.x1 < bounds.x1)
4977 bounds.x1=p->bounds.x1;
4978 if (p->bounds.y1 < bounds.y1)
4979 bounds.y1=p->bounds.y1;
4980 if (p->bounds.x2 > bounds.x2)
4981 bounds.x2=p->bounds.x2;
4982 if (p->bounds.y2 > bounds.y2)
4983 bounds.y2=p->bounds.y2;
4985 bounds.x1-=(mid+1.0);
4986 bounds.y1-=(mid+1.0);
4987 bounds.x2+=(mid+1.0);
4988 bounds.y2+=(mid+1.0);
4989 if ((bounds.x1 >= (
double) image->columns) ||
4990 (bounds.y1 >= (
double) image->rows) ||
4991 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
4993 polygon_info=DestroyPolygonTLS(polygon_info);
4996 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
4997 (
double) image->columns-1.0 : bounds.x1;
4998 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
4999 (
double) image->rows-1.0 : bounds.y1;
5000 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
5001 (
double) image->columns-1.0 : bounds.x2;
5002 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
5003 (
double) image->rows-1.0 : bounds.y2;
5004 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
5005 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5006 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
5007 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5008 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
5009 poly_extent.y1+1,1);
5010 status=AcquirePolygonEdgesTLS(polygon_info,number_threads,&image->exception);
5011 if (status == MagickFalse)
5013 polygon_info=DestroyPolygonTLS(polygon_info);
5017 exception=(&image->exception);
5018 image_view=AcquireAuthenticCacheView(image,exception);
5019 if ((primitive_info->coordinates == 1) ||
5020 (polygon_info[0]->number_edges == 0))
5025#if defined(MAGICKCORE_OPENMP_SUPPORT)
5026 #pragma omp parallel for schedule(static) shared(status) \
5027 num_threads(number_threads)
5029 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5040 if (status == MagickFalse)
5043 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5045 if (q == (PixelPacket *) NULL)
5050 for ( ; x <= poly_extent.x2; x++)
5052 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5053 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5054 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,q);
5057 sync=SyncCacheViewAuthenticPixels(image_view,exception);
5058 if (sync == MagickFalse)
5061 image_view=DestroyCacheView(image_view);
5062 polygon_info=DestroyPolygonTLS(polygon_info);
5063 if (draw_info->debug != MagickFalse)
5064 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5065 " end draw-polygon");
5071 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5072 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5073#if defined(MAGICKCORE_OPENMP_SUPPORT)
5074 #pragma omp parallel for schedule(static) shared(status) \
5075 num_threads(number_threads)
5077 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5080 id = GetOpenMPThreadId();
5092 if (status == MagickFalse)
5094 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5095 (poly_extent.x2-poly_extent.x1+1),1,exception);
5096 if (q == (PixelPacket *) NULL)
5101 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5110 fill_opacity=GetOpacityPixel(polygon_info[
id],mid,fill,
5111 draw_info->fill_rule,x,y,&stroke_opacity);
5112 if (draw_info->stroke_antialias == MagickFalse)
5114 fill_opacity=fill_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5115 stroke_opacity=stroke_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5117 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5119 fill_opacity=(double) ((MagickRealType) QuantumRange-fill_opacity*
5120 ((MagickRealType) QuantumRange-(MagickRealType) fill_color.opacity));
5121 MagickCompositeOver(&fill_color,(MagickRealType) fill_opacity,q,
5122 (MagickRealType) q->opacity,q);
5123 (void) GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5125 stroke_opacity=(double) ((MagickRealType) QuantumRange-stroke_opacity*
5126 ((MagickRealType) QuantumRange-(MagickRealType) stroke_color.opacity));
5127 MagickCompositeOver(&stroke_color,(MagickRealType) stroke_opacity,q,
5128 (MagickRealType) q->opacity,q);
5131 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5134 image_view=DestroyCacheView(image_view);
5135 polygon_info=DestroyPolygonTLS(polygon_info);
5136 if (draw_info->debug != MagickFalse)
5137 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5168static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5194 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5195 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5196 switch (primitive_info->primitive)
5198 case PointPrimitive:
5200 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5201 "PointPrimitive %.20g,%.20g %s",(
double) x,(
double) y,
5202 methods[primitive_info->method]);
5205 case ColorPrimitive:
5207 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5208 "ColorPrimitive %.20g,%.20g %s",(
double) x,(
double) y,
5209 methods[primitive_info->method]);
5212 case MattePrimitive:
5214 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5215 "MattePrimitive %.20g,%.20g %s",(
double) x,(
double) y,
5216 methods[primitive_info->method]);
5221 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5222 "TextPrimitive %.20g,%.20g",(
double) x,(
double) y);
5225 case ImagePrimitive:
5227 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5228 "ImagePrimitive %.20g,%.20g",(
double) x,(
double) y);
5235 p=primitive_info[0].point;
5238 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5240 point=primitive_info[i].point;
5241 if (coordinates <= 0)
5243 coordinates=(ssize_t) primitive_info[i].coordinates;
5244 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5245 " begin open (%.20g)",(
double) coordinates);
5248 point=primitive_info[i].point;
5249 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5250 (fabs(q.y-point.y) >= MagickEpsilon))
5251 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5252 " %.20g: %.18g,%.18g",(
double) coordinates,point.x,point.y);
5254 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5255 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5258 if (coordinates > 0)
5260 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5261 (fabs(p.y-point.y) >= MagickEpsilon))
5262 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5263 (
double) coordinates);
5265 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5266 (
double) coordinates);
5270MagickExport MagickBooleanType DrawPrimitive(Image *image,
5271 const DrawInfo *draw_info,
const PrimitiveInfo *primitive_info)
5289 if (draw_info->debug != MagickFalse)
5291 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5292 " begin draw-primitive");
5293 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5294 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5295 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5296 draw_info->affine.tx,draw_info->affine.ty);
5298 exception=(&image->exception);
5300 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5301 ((IsPixelGray(&draw_info->fill) == MagickFalse) ||
5302 (IsPixelGray(&draw_info->stroke) == MagickFalse)))
5303 status=SetImageColorspace(image,sRGBColorspace);
5304 if (draw_info->compliance == SVGCompliance)
5306 status&=SetImageClipMask(image,draw_info->clipping_mask);
5307 status&=SetImageMask(image,draw_info->composite_mask);
5309 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5310 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5311 image_view=AcquireAuthenticCacheView(image,exception);
5312 switch (primitive_info->primitive)
5314 case ColorPrimitive:
5316 switch (primitive_info->method)
5324 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5325 if (q == (PixelPacket *) NULL)
5327 (void) GetFillColor(draw_info,x,y,q);
5328 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5336 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5337 for (y=0; y < (ssize_t) image->rows; y++)
5342 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5344 if (q == (PixelPacket *) NULL)
5346 for (x=0; x < (ssize_t) image->columns; x++)
5348 if (IsColorSimilar(image,q,&target) == MagickFalse)
5353 (void) GetFillColor(draw_info,x,y,q);
5356 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5357 if (status == MagickFalse)
5362 case FloodfillMethod:
5363 case FillToBorderMethod:
5368 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5369 if (primitive_info->method == FillToBorderMethod)
5371 target.red=(MagickRealType) draw_info->border_color.red;
5372 target.green=(MagickRealType) draw_info->border_color.green;
5373 target.blue=(MagickRealType) draw_info->border_color.blue;
5375 status&=FloodfillPaintImage(image,DefaultChannels,draw_info,&target,x,
5376 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5382 for (y=0; y < (ssize_t) image->rows; y++)
5390 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5392 if (q == (PixelPacket *) NULL)
5394 for (x=0; x < (ssize_t) image->columns; x++)
5396 (void) GetFillColor(draw_info,x,y,q);
5399 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5400 if (status == MagickFalse)
5408 case MattePrimitive:
5410 if (image->matte == MagickFalse)
5411 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel);
5412 switch (primitive_info->method)
5423 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5424 if (q == (PixelPacket *) NULL)
5426 (void) GetFillColor(draw_info,x,y,&pixel);
5427 SetPixelOpacity(q,pixel.opacity);
5428 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5437 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5438 for (y=0; y < (ssize_t) image->rows; y++)
5446 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5448 if (q == (PixelPacket *) NULL)
5450 for (x=0; x < (ssize_t) image->columns; x++)
5452 if (IsColorSimilar(image,q,&target) == MagickFalse)
5457 (void) GetFillColor(draw_info,x,y,&pixel);
5458 SetPixelOpacity(q,pixel.opacity);
5461 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5462 if (status == MagickFalse)
5467 case FloodfillMethod:
5468 case FillToBorderMethod:
5473 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5474 if (primitive_info->method == FillToBorderMethod)
5476 target.red=(MagickRealType) draw_info->border_color.red;
5477 target.green=(MagickRealType) draw_info->border_color.green;
5478 target.blue=(MagickRealType) draw_info->border_color.blue;
5480 status&=FloodfillPaintImage(image,OpacityChannel,draw_info,&target,x,
5481 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5490 for (y=0; y < (ssize_t) image->rows; y++)
5498 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5500 if (q == (PixelPacket *) NULL)
5502 for (x=0; x < (ssize_t) image->columns; x++)
5504 (void) GetFillColor(draw_info,x,y,&pixel);
5505 SetPixelOpacity(q,pixel.opacity);
5508 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5509 if (status == MagickFalse)
5517 case ImagePrimitive:
5523 composite_geometry[MaxTextExtent];
5539 if (primitive_info->text == (
char *) NULL)
5541 clone_info=AcquireImageInfo();
5542 composite_images=(Image *) NULL;
5543 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5544 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5547 if (*primitive_info->text !=
'\0')
5561 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5563 (void) SetImageInfo(clone_info,1,exception);
5564 option=GetImageOption(clone_info,
"svg:embedding");
5565 if ((option == (
char *) NULL) &&
5566 (IsStringTrue(option) == MagickFalse))
5571 magick_info=GetMagickInfo(clone_info->magick,exception);
5572 if ((magick_info != (
const MagickInfo*) NULL) &&
5573 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5575 (void) ThrowMagickException(exception,GetMagickModule(),
5576 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5577 clone_info->filename);
5578 clone_info=DestroyImageInfo(clone_info);
5582 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5584 if (clone_info->size != (
char *) NULL)
5585 clone_info->size=DestroyString(clone_info->size);
5586 if (clone_info->extract != (
char *) NULL)
5587 clone_info->extract=DestroyString(clone_info->extract);
5588 path_status=GetPathAttributes(clone_info->filename,&attributes);
5589 if (path_status != MagickFalse)
5591 if (S_ISCHR(attributes.st_mode) == 0)
5592 composite_images=ReadImage(clone_info,exception);
5594 (
void) ThrowMagickException(exception,GetMagickModule(),
5595 FileOpenError,
"UnableToOpenFile",
"`%s'",
5596 clone_info->filename);
5599 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5600 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5601 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5602 (LocaleCompare(clone_info->magick,
"vid") != 0))
5603 composite_images=ReadImage(clone_info,exception);
5605 (
void) ThrowMagickException(exception,GetMagickModule(),
5606 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5608 clone_info=DestroyImageInfo(clone_info);
5609 if (composite_images == (Image *) NULL)
5614 composite_image=RemoveFirstImageFromList(&composite_images);
5615 composite_images=DestroyImageList(composite_images);
5616 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5617 NULL,(
void *) NULL);
5618 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5619 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5620 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5621 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5624 geometry[MaxTextExtent];
5629 (void) FormatLocaleString(geometry,MaxTextExtent,
"%gx%g!",
5630 primitive_info[1].point.x,primitive_info[1].point.y);
5631 composite_image->filter=image->filter;
5632 status&=TransformImage(&composite_image,(
char *) NULL,geometry);
5634 if (composite_image->matte == MagickFalse)
5635 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel);
5636 if (draw_info->opacity != OpaqueOpacity)
5637 status&=SetImageOpacity(composite_image,draw_info->opacity);
5638 SetGeometry(image,&geometry);
5639 image->gravity=draw_info->gravity;
5642 (void) FormatLocaleString(composite_geometry,MaxTextExtent,
5643 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(
double)
5644 composite_image->rows,(
double) geometry.x,(
double) geometry.y);
5645 (void) ParseGravityGeometry(image,composite_geometry,&geometry,
5647 affine=draw_info->affine;
5648 affine.tx=(double) geometry.x;
5649 affine.ty=(double) geometry.y;
5650 composite_image->interpolate=image->interpolate;
5651 if ((draw_info->compose == OverCompositeOp) ||
5652 (draw_info->compose == SrcOverCompositeOp))
5653 status&=DrawAffineImage(image,composite_image,&affine);
5655 status&=CompositeImage(image,draw_info->compose,composite_image,
5656 geometry.x,geometry.y);
5657 composite_image=DestroyImage(composite_image);
5660 case PointPrimitive:
5668 if ((y < 0) || (y >= (ssize_t) image->rows))
5670 if ((x < 0) || (x >= (ssize_t) image->columns))
5672 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5673 if (q == (PixelPacket *) NULL)
5675 (void) GetFillColor(draw_info,x,y,&fill_color);
5676 MagickCompositeOver(&fill_color,(MagickRealType) fill_color.opacity,q,
5677 (MagickRealType) q->opacity,q);
5678 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5684 geometry[MaxTextExtent];
5689 if (primitive_info->text == (
char *) NULL)
5691 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
5692 (void) CloneString(&clone_info->text,primitive_info->text);
5693 (void) FormatLocaleString(geometry,MaxTextExtent,
"%+f%+f",
5694 primitive_info->point.x,primitive_info->point.y);
5695 (void) CloneString(&clone_info->geometry,geometry);
5696 status&=AnnotateImage(image,clone_info);
5697 clone_info=DestroyDrawInfo(clone_info);
5709 if (IsEventLogging() != MagickFalse)
5710 LogPrimitiveInfo(primitive_info);
5711 scale=ExpandAffine(&draw_info->affine);
5712 if ((draw_info->dash_pattern != (
double *) NULL) &&
5713 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5714 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5715 (draw_info->stroke.opacity != (Quantum) TransparentOpacity))
5720 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
5721 clone_info->stroke_width=0.0;
5722 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5723 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5724 clone_info=DestroyDrawInfo(clone_info);
5725 if (status != MagickFalse)
5726 status&=DrawDashPolygon(draw_info,primitive_info,image);
5729 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5731 ((draw_info->stroke.opacity != (Quantum) TransparentOpacity) ||
5732 (draw_info->stroke_pattern != (Image *) NULL)))
5744 closed_path=primitive_info[0].closed_subpath;
5745 i=(ssize_t) primitive_info[0].coordinates;
5746 x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5747 y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5748 if ((x < MagickEpsilon) && (y < MagickEpsilon))
5749 closed_path=MagickTrue;
5750 if ((((draw_info->linecap == RoundCap) ||
5751 (closed_path != MagickFalse)) &&
5752 (draw_info->linejoin == RoundJoin)) ||
5753 (primitive_info[i].primitive != UndefinedPrimitive))
5755 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5758 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
5759 clone_info->stroke_width=0.0;
5760 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5761 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5762 clone_info=DestroyDrawInfo(clone_info);
5763 if (status != MagickFalse)
5764 status&=DrawStrokePolygon(image,draw_info,primitive_info);
5767 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5771 image_view=DestroyCacheView(image_view);
5772 if (draw_info->compliance == SVGCompliance)
5774 status&=SetImageClipMask(image,(Image *) NULL);
5775 status&=SetImageMask(image,(Image *) NULL);
5777 if (draw_info->debug != MagickFalse)
5778 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5779 return(status != 0 ? MagickTrue : MagickFalse);
5812static MagickBooleanType DrawRoundLinecap(Image *image,
5813 const DrawInfo *draw_info,
const PrimitiveInfo *primitive_info)
5821 for (i=0; i < 4; i++)
5822 linecap[i]=(*primitive_info);
5823 linecap[0].coordinates=4;
5824 linecap[1].point.x+=2.0*MagickEpsilon;
5825 linecap[2].point.x+=2.0*MagickEpsilon;
5826 linecap[2].point.y+=2.0*MagickEpsilon;
5827 linecap[3].point.y+=2.0*MagickEpsilon;
5828 linecap[4].primitive=UndefinedPrimitive;
5829 return(DrawPolygonPrimitive(image,draw_info,linecap));
5832static MagickBooleanType DrawStrokePolygon(Image *image,
5833 const DrawInfo *draw_info,
const PrimitiveInfo *primitive_info)
5854 if (draw_info->debug != MagickFalse)
5855 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5856 " begin draw-stroke-polygon");
5857 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
5858 clone_info->fill=draw_info->stroke;
5859 if (clone_info->fill_pattern != (Image *) NULL)
5860 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5861 if (clone_info->stroke_pattern != (Image *) NULL)
5862 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5863 MagickTrue,&clone_info->stroke_pattern->exception);
5864 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5865 clone_info->stroke_width=0.0;
5866 clone_info->fill_rule=NonZeroRule;
5868 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=(ptrdiff_t) p->coordinates)
5870 if (p->coordinates == 1)
5872 stroke_polygon=TraceStrokePolygon(draw_info,p,&image->exception);
5873 if (stroke_polygon == (PrimitiveInfo *) NULL)
5878 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon);
5879 stroke_polygon=(PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5882 q=p+p->coordinates-1;
5883 closed_path=p->closed_subpath;
5884 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5886 status&=DrawRoundLinecap(image,draw_info,p);
5887 status&=DrawRoundLinecap(image,draw_info,q);
5890 clone_info=DestroyDrawInfo(clone_info);
5891 if (draw_info->debug != MagickFalse)
5892 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5893 " end draw-stroke-polygon");
5894 return(status != 0 ? MagickTrue : MagickFalse);
5920MagickExport
void GetAffineMatrix(AffineMatrix *affine_matrix)
5922 assert(affine_matrix != (AffineMatrix *) NULL);
5923 if (IsEventLogging() != MagickFalse)
5924 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5925 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5926 affine_matrix->sx=1.0;
5927 affine_matrix->sy=1.0;
5954MagickExport
void GetDrawInfo(
const ImageInfo *image_info,DrawInfo *draw_info)
5968 assert(draw_info != (DrawInfo *) NULL);
5969 if (IsEventLogging() != MagickFalse)
5970 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5971 (void) memset(draw_info,0,
sizeof(*draw_info));
5972 draw_info->image_info=CloneImageInfo(image_info);
5973 GetAffineMatrix(&draw_info->affine);
5974 exception=AcquireExceptionInfo();
5975 (void) QueryColorDatabase(
"#000F",&draw_info->fill,exception);
5976 (void) QueryColorDatabase(
"#FFF0",&draw_info->stroke,exception);
5977 draw_info->stroke_antialias=draw_info->image_info->antialias;
5978 draw_info->stroke_width=1.0;
5979 draw_info->fill_rule=EvenOddRule;
5980 draw_info->opacity=OpaqueOpacity;
5981 draw_info->fill_opacity=OpaqueOpacity;
5982 draw_info->stroke_opacity=OpaqueOpacity;
5983 draw_info->linecap=ButtCap;
5984 draw_info->linejoin=MiterJoin;
5985 draw_info->miterlimit=10;
5986 draw_info->decorate=NoDecoration;
5987 if (draw_info->image_info->font != (
char *) NULL)
5988 draw_info->font=AcquireString(draw_info->image_info->font);
5989 if (draw_info->image_info->density != (
char *) NULL)
5990 draw_info->density=AcquireString(draw_info->image_info->density);
5991 draw_info->text_antialias=draw_info->image_info->antialias;
5992 draw_info->pointsize=12.0;
5993 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
5994 draw_info->pointsize=draw_info->image_info->pointsize;
5995 draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
5996 draw_info->border_color=draw_info->image_info->border_color;
5997 draw_info->compose=OverCompositeOp;
5998 if (draw_info->image_info->server_name != (
char *) NULL)
5999 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
6000 draw_info->render=MagickTrue;
6001 draw_info->clip_path=MagickFalse;
6002 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
6003 MagickTrue : MagickFalse;
6004 option=GetImageOption(draw_info->image_info,
"direction");
6005 if (option != (
const char *) NULL)
6006 draw_info->direction=(DirectionType) ParseCommandOption(
6007 MagickDirectionOptions,MagickFalse,option);
6009 draw_info->direction=UndefinedDirection;
6010 option=GetImageOption(draw_info->image_info,
"encoding");
6011 if (option != (
const char *) NULL)
6012 (void) CloneString(&draw_info->encoding,option);
6013 option=GetImageOption(draw_info->image_info,
"family");
6014 if (option != (
const char *) NULL)
6015 (void) CloneString(&draw_info->family,option);
6016 option=GetImageOption(draw_info->image_info,
"fill");
6017 if (option != (
const char *) NULL)
6018 (void) QueryColorDatabase(option,&draw_info->fill,exception);
6019 option=GetImageOption(draw_info->image_info,
"gravity");
6020 if (option != (
const char *) NULL)
6021 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
6022 MagickFalse,option);
6023 option=GetImageOption(draw_info->image_info,
"interline-spacing");
6024 if (option != (
const char *) NULL)
6025 draw_info->interline_spacing=GetDrawValue(option,&next_token);
6026 option=GetImageOption(draw_info->image_info,
"interword-spacing");
6027 if (option != (
const char *) NULL)
6028 draw_info->interword_spacing=GetDrawValue(option,&next_token);
6029 option=GetImageOption(draw_info->image_info,
"kerning");
6030 if (option != (
const char *) NULL)
6031 draw_info->kerning=GetDrawValue(option,&next_token);
6032 option=GetImageOption(draw_info->image_info,
"stroke");
6033 if (option != (
const char *) NULL)
6034 (void) QueryColorDatabase(option,&draw_info->stroke,exception);
6035 option=GetImageOption(draw_info->image_info,
"strokewidth");
6036 if (option != (
const char *) NULL)
6037 draw_info->stroke_width=GetDrawValue(option,&next_token);
6038 option=GetImageOption(draw_info->image_info,
"style");
6039 if (option != (
const char *) NULL)
6040 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6041 MagickFalse,option);
6042 option=GetImageOption(draw_info->image_info,
"undercolor");
6043 if (option != (
const char *) NULL)
6044 (void) QueryColorDatabase(option,&draw_info->undercolor,exception);
6045 option=GetImageOption(draw_info->image_info,
"weight");
6046 if (option != (
const char *) NULL)
6051 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6053 weight=(ssize_t) StringToUnsignedLong(option);
6054 draw_info->weight=(size_t) weight;
6056 exception=DestroyExceptionInfo(exception);
6057 draw_info->signature=MagickCoreSignature;
6085static inline double Permutate(
const ssize_t n,
const ssize_t k)
6094 for (i=k+1; i <= n; i++)
6096 for (i=1; i <= (n-k); i++)
6117static MagickBooleanType TraceArc(MVGInfo *mvg_info,
const PointInfo start,
6118 const PointInfo end,
const PointInfo degrees)
6124 center.x=0.5*(end.x+start.x);
6125 center.y=0.5*(end.y+start.y);
6126 radius.x=fabs(center.x-start.x);
6127 radius.y=fabs(center.y-start.y);
6128 return(TraceEllipse(mvg_info,center,radius,degrees));
6131static MagickBooleanType TraceArcPath(MVGInfo *mvg_info,
const PointInfo start,
6132 const PointInfo end,
const PointInfo arc,
const double angle,
6133 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6170 offset=mvg_info->offset;
6171 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6172 primitive_info->coordinates=0;
6173 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6174 (fabs(start.y-end.y) < MagickEpsilon))
6175 return(TracePoint(primitive_info,end));
6176 radii.x=fabs(arc.x);
6177 radii.y=fabs(arc.y);
6178 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6179 return(TraceLine(primitive_info,start,end));
6180 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6181 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6182 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6183 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6184 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6186 if (delta < MagickEpsilon)
6187 return(TraceLine(primitive_info,start,end));
6190 radii.x*=sqrt((
double) delta);
6191 radii.y*=sqrt((
double) delta);
6193 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6194 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6195 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6196 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6197 alpha=points[1].x-points[0].x;
6198 beta=points[1].y-points[0].y;
6199 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6200 return(TraceLine(primitive_info,start,end));
6201 factor=MagickSafeReciprocal(alpha*alpha+beta*beta)-0.25;
6206 factor=sqrt((
double) factor);
6207 if (sweep == large_arc)
6210 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6211 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6212 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6213 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6214 if ((theta < 0.0) && (sweep != MagickFalse))
6215 theta+=2.0*MagickPI;
6217 if ((theta > 0.0) && (sweep == MagickFalse))
6218 theta-=2.0*MagickPI;
6219 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6220 MagickPI+MagickEpsilon)))));
6223 for (i=0; i < (ssize_t) arc_segments; i++)
6225 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6226 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6227 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6228 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6229 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6230 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6231 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6232 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6233 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6234 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6235 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) (i+1)*
6236 theta/arc_segments),DegreesToRadians(360.0))));
6237 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) (i+1)*
6238 theta/arc_segments),DegreesToRadians(360.0))));
6239 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(
double)
6240 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6241 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(
double)
6242 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6243 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6244 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6245 (p+1)->point.x=(double) (cosine*radii.x*points[0].x-sine*radii.y*
6247 (p+1)->point.y=(double) (sine*radii.x*points[0].x+cosine*radii.y*
6249 (p+2)->point.x=(double) (cosine*radii.x*points[1].x-sine*radii.y*
6251 (p+2)->point.y=(double) (sine*radii.x*points[1].x+cosine*radii.y*
6253 (p+3)->point.x=(double) (cosine*radii.x*points[2].x-sine*radii.y*
6255 (p+3)->point.y=(double) (sine*radii.x*points[2].x+cosine*radii.y*
6257 if (i == (ssize_t) (arc_segments-1))
6259 status&=TraceBezier(mvg_info,4);
6262 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
6263 mvg_info->offset+=p->coordinates;
6264 p+=(ptrdiff_t) p->coordinates;
6267 return(MagickFalse);
6268 mvg_info->offset=offset;
6269 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6270 primitive_info->coordinates=(size_t) (p-primitive_info);
6271 primitive_info->closed_subpath=MagickFalse;
6272 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6274 p->primitive=primitive_info->primitive;
6280static MagickBooleanType TraceBezier(MVGInfo *mvg_info,
6281 const size_t number_coordinates)
6310 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6311 quantum=number_coordinates;
6312 for (i=0; i < (ssize_t) number_coordinates; i++)
6314 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6316 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6317 if (alpha > (
double) MAGICK_SSIZE_MAX)
6319 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6320 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6321 return(MagickFalse);
6323 if (alpha > (
double) quantum)
6324 quantum=(size_t) alpha;
6325 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6326 if (alpha > (
double) MAGICK_SSIZE_MAX)
6328 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6329 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6330 return(MagickFalse);
6332 if (alpha > (
double) quantum)
6333 quantum=(size_t) alpha;
6336 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6337 sizeof(*coefficients));
6338 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6339 points=(PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6341 if ((coefficients == (
double *) NULL) || (points == (PointInfo *) NULL))
6343 if (points != (PointInfo *) NULL)
6344 points=(PointInfo *) RelinquishMagickMemory(points);
6345 if (coefficients != (
double *) NULL)
6346 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6347 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6348 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6349 return(MagickFalse);
6351 control_points=quantum*number_coordinates;
6352 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6354 points=(PointInfo *) RelinquishMagickMemory(points);
6355 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6356 return(MagickFalse);
6358 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6362 end=primitive_info[number_coordinates-1].point;
6363 for (i=0; i < (ssize_t) number_coordinates; i++)
6364 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6366 for (i=0; i < (ssize_t) control_points; i++)
6371 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6372 for (j=0; j < (ssize_t) number_coordinates; j++)
6374 point.x+=alpha*coefficients[j]*p->point.x;
6375 point.y+=alpha*coefficients[j]*p->point.y;
6376 alpha*=weight/(1.0-weight);
6380 weight+=1.0/control_points;
6386 for (i=0; i < (ssize_t) control_points; i++)
6388 if (TracePoint(p,points[i]) == MagickFalse)
6390 points=(PointInfo *) RelinquishMagickMemory(points);
6391 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6392 return(MagickFalse);
6394 p+=(ptrdiff_t) p->coordinates;
6396 if (TracePoint(p,end) == MagickFalse)
6398 points=(PointInfo *) RelinquishMagickMemory(points);
6399 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6400 return(MagickFalse);
6402 p+=(ptrdiff_t) p->coordinates;
6403 primitive_info->coordinates=(size_t) (p-primitive_info);
6404 primitive_info->closed_subpath=MagickFalse;
6405 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6407 p->primitive=primitive_info->primitive;
6410 points=(PointInfo *) RelinquishMagickMemory(points);
6411 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6415static MagickBooleanType TraceCircle(MVGInfo *mvg_info,
const PointInfo start,
6416 const PointInfo end)
6427 alpha=end.x-start.x;
6429 radius=hypot((
double) alpha,(
double) beta);
6430 offset.x=(double) radius;
6431 offset.y=(double) radius;
6434 return(TraceEllipse(mvg_info,start,offset,degrees));
6437static MagickBooleanType TraceEllipse(MVGInfo *mvg_info,
const PointInfo center,
6438 const PointInfo radii,
const PointInfo arc)
6463 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6464 primitive_info->coordinates=0;
6465 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6467 delta=MagickSafeReciprocal(MagickMax(radii.x,radii.y));
6468 step=MagickPI/(MagickPI*MagickSafeReciprocal(delta))/8.0;
6469 angle.x=DegreesToRadians(arc.x);
6473 angle.y=DegreesToRadians(y);
6474 coordinates=ceil((angle.y-angle.x)/step+1.0);
6475 if (CheckPrimitiveExtent(mvg_info,coordinates+1) == MagickFalse)
6476 return(MagickFalse);
6478 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6479 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6481 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6482 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6483 if (i++ >= (ssize_t) coordinates)
6485 if (TracePoint(p,point) == MagickFalse)
6486 return(MagickFalse);
6487 p+=(ptrdiff_t) p->coordinates;
6489 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6490 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6491 if (TracePoint(p,point) == MagickFalse)
6492 return(MagickFalse);
6493 p+=(ptrdiff_t) p->coordinates;
6494 primitive_info->coordinates=(size_t) (p-primitive_info);
6495 primitive_info->closed_subpath=MagickFalse;
6496 x=fabs(primitive_info[0].point.x-
6497 primitive_info[primitive_info->coordinates-1].point.x);
6498 y=fabs(primitive_info[0].point.y-
6499 primitive_info[primitive_info->coordinates-1].point.y);
6500 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6501 primitive_info->closed_subpath=MagickTrue;
6502 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6504 p->primitive=primitive_info->primitive;
6510static MagickBooleanType TraceLine(PrimitiveInfo *primitive_info,
6511 const PointInfo start,
const PointInfo end)
6513 if (TracePoint(primitive_info,start) == MagickFalse)
6514 return(MagickFalse);
6515 if (TracePoint(primitive_info+1,end) == MagickFalse)
6516 return(MagickFalse);
6517 (primitive_info+1)->primitive=primitive_info->primitive;
6518 primitive_info->coordinates=2;
6519 primitive_info->closed_subpath=MagickFalse;
6523static ssize_t TracePath(Image *image,MVGInfo *mvg_info,
const char *path)
6527 token[MaxTextExtent] =
"";
6545 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6568 subpath_offset=mvg_info->offset;
6569 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6572 number_coordinates=0;
6575 primitive_type=primitive_info->primitive;
6577 for (p=path; *p !=
'\0'; )
6579 if (status == MagickFalse)
6581 while (isspace((
int) ((
unsigned char) *p)) != 0)
6585 last_attribute=attribute;
6586 attribute=(int) (*p++);
6596 large_arc = MagickFalse,
6597 sweep = MagickFalse;
6607 (void) GetNextToken(p,&p,MaxTextExtent,token);
6609 (void) GetNextToken(p,&p,MaxTextExtent,token);
6610 arc.x=GetDrawValue(token,&next_token);
6611 if (token == next_token)
6612 ThrowPointExpectedException(image,token);
6613 (void) GetNextToken(p,&p,MaxTextExtent,token);
6615 (void) GetNextToken(p,&p,MaxTextExtent,token);
6616 arc.y=GetDrawValue(token,&next_token);
6617 if (token == next_token)
6618 ThrowPointExpectedException(image,token);
6619 (void) GetNextToken(p,&p,MaxTextExtent,token);
6621 (void) GetNextToken(p,&p,MaxTextExtent,token);
6622 angle=GetDrawValue(token,&next_token);
6623 if (token == next_token)
6624 ThrowPointExpectedException(image,token);
6625 (void) GetNextToken(p,&p,MaxTextExtent,token);
6627 (void) GetNextToken(p,&p,MaxTextExtent,token);
6628 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6629 (void) GetNextToken(p,&p,MaxTextExtent,token);
6631 (void) GetNextToken(p,&p,MaxTextExtent,token);
6632 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6634 (void) GetNextToken(p,&p,MaxTextExtent,token);
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)
'A' ? x : point.x+x);
6648 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6649 status&=TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep);
6650 q=(*mvg_info->primitive_info)+mvg_info->offset;
6651 mvg_info->offset+=q->coordinates;
6652 q+=(ptrdiff_t) q->coordinates;
6654 while (isspace((
int) ((
unsigned char) *p)) != 0)
6658 }
while (IsPoint(p) != MagickFalse);
6670 for (i=1; i < 4; i++)
6672 (void) GetNextToken(p,&p,MaxTextExtent,token);
6674 (void) GetNextToken(p,&p,MaxTextExtent,token);
6675 x=GetDrawValue(token,&next_token);
6676 if (token == next_token)
6677 ThrowPointExpectedException(image,token);
6678 (void) GetNextToken(p,&p,MaxTextExtent,token);
6680 (void) GetNextToken(p,&p,MaxTextExtent,token);
6681 y=GetDrawValue(token,&next_token);
6682 if (token == next_token)
6683 ThrowPointExpectedException(image,token);
6684 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6685 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6688 for (i=0; i < 4; i++)
6689 (q+i)->point=points[i];
6690 if (TraceBezier(mvg_info,4) == MagickFalse)
6692 q=(*mvg_info->primitive_info)+mvg_info->offset;
6693 mvg_info->offset+=q->coordinates;
6694 q+=(ptrdiff_t) q->coordinates;
6696 while (isspace((
int) ((
unsigned char) *p)) != 0)
6700 }
while (IsPoint(p) != MagickFalse);
6708 (void) GetNextToken(p,&p,MaxTextExtent,token);
6710 (void) GetNextToken(p,&p,MaxTextExtent,token);
6711 x=GetDrawValue(token,&next_token);
6712 if (token == next_token)
6713 ThrowPointExpectedException(image,token);
6714 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6715 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6717 q=(*mvg_info->primitive_info)+mvg_info->offset;
6718 if (TracePoint(q,point) == MagickFalse)
6720 mvg_info->offset+=q->coordinates;
6721 q+=(ptrdiff_t) q->coordinates;
6722 while (isspace((
int) ((
unsigned char) *p)) != 0)
6726 }
while (IsPoint(p) != MagickFalse);
6737 (void) GetNextToken(p,&p,MaxTextExtent,token);
6739 (void) GetNextToken(p,&p,MaxTextExtent,token);
6740 x=GetDrawValue(token,&next_token);
6741 if (token == next_token)
6742 ThrowPointExpectedException(image,token);
6743 (void) GetNextToken(p,&p,MaxTextExtent,token);
6745 (void) GetNextToken(p,&p,MaxTextExtent,token);
6746 y=GetDrawValue(token,&next_token);
6747 if (token == next_token)
6748 ThrowPointExpectedException(image,token);
6749 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6750 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6751 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6753 q=(*mvg_info->primitive_info)+mvg_info->offset;
6754 if (TracePoint(q,point) == MagickFalse)
6756 mvg_info->offset+=q->coordinates;
6757 q+=(ptrdiff_t) q->coordinates;
6758 while (isspace((
int) ((
unsigned char) *p)) != 0)
6762 }
while (IsPoint(p) != MagickFalse);
6771 if (mvg_info->offset != subpath_offset)
6773 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6774 primitive_info->coordinates=(size_t) (q-primitive_info);
6775 number_coordinates+=primitive_info->coordinates;
6777 subpath_offset=mvg_info->offset;
6782 (void) GetNextToken(p,&p,MaxTextExtent,token);
6784 (void) GetNextToken(p,&p,MaxTextExtent,token);
6785 x=GetDrawValue(token,&next_token);
6786 if (token == next_token)
6787 ThrowPointExpectedException(image,token);
6788 (void) GetNextToken(p,&p,MaxTextExtent,token);
6790 (void) GetNextToken(p,&p,MaxTextExtent,token);
6791 y=GetDrawValue(token,&next_token);
6792 if (token == next_token)
6793 ThrowPointExpectedException(image,token);
6794 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6795 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6799 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6801 q=(*mvg_info->primitive_info)+mvg_info->offset;
6802 if (TracePoint(q,point) == MagickFalse)
6804 mvg_info->offset+=q->coordinates;
6805 q+=(ptrdiff_t) q->coordinates;
6806 while (isspace((
int) ((
unsigned char) *p)) != 0)
6810 }
while (IsPoint(p) != MagickFalse);
6822 for (i=1; i < 3; i++)
6824 (void) GetNextToken(p,&p,MaxTextExtent,token);
6826 (void) GetNextToken(p,&p,MaxTextExtent,token);
6827 x=GetDrawValue(token,&next_token);
6828 if (token == next_token)
6829 ThrowPointExpectedException(image,token);
6830 (void) GetNextToken(p,&p,MaxTextExtent,token);
6832 (void) GetNextToken(p,&p,MaxTextExtent,token);
6833 y=GetDrawValue(token,&next_token);
6834 if (token == next_token)
6835 ThrowPointExpectedException(image,token);
6838 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6839 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6842 for (i=0; i < 3; i++)
6843 (q+i)->point=points[i];
6844 if (TraceBezier(mvg_info,3) == MagickFalse)
6846 q=(*mvg_info->primitive_info)+mvg_info->offset;
6847 mvg_info->offset+=q->coordinates;
6848 q+=(ptrdiff_t) q->coordinates;
6850 while (isspace((
int) ((
unsigned char) *p)) != 0)
6854 }
while (IsPoint(p) != MagickFalse);
6865 points[0]=points[3];
6866 points[1].x=2.0*points[3].x-points[2].x;
6867 points[1].y=2.0*points[3].y-points[2].y;
6868 for (i=2; i < 4; i++)
6870 (void) GetNextToken(p,&p,MaxTextExtent,token);
6872 (void) GetNextToken(p,&p,MaxTextExtent,token);
6873 x=GetDrawValue(token,&next_token);
6874 if (token == next_token)
6875 ThrowPointExpectedException(image,token);
6876 (void) GetNextToken(p,&p,MaxTextExtent,token);
6878 (void) GetNextToken(p,&p,MaxTextExtent,token);
6879 y=GetDrawValue(token,&next_token);
6880 if (token == next_token)
6881 ThrowPointExpectedException(image,token);
6884 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6885 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6888 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6893 for (i=0; i < 4; i++)
6894 (q+i)->point=points[i];
6895 if (TraceBezier(mvg_info,4) == MagickFalse)
6897 q=(*mvg_info->primitive_info)+mvg_info->offset;
6898 mvg_info->offset+=q->coordinates;
6899 q+=(ptrdiff_t) q->coordinates;
6901 last_attribute=attribute;
6902 while (isspace((
int) ((
unsigned char) *p)) != 0)
6906 }
while (IsPoint(p) != MagickFalse);
6917 points[0]=points[2];
6918 points[1].x=2.0*points[2].x-points[1].x;
6919 points[1].y=2.0*points[2].y-points[1].y;
6920 for (i=2; i < 3; i++)
6922 (void) GetNextToken(p,&p,MaxTextExtent,token);
6924 (void) GetNextToken(p,&p,MaxTextExtent,token);
6925 x=GetDrawValue(token,&next_token);
6926 if (token == next_token)
6927 ThrowPointExpectedException(image,token);
6928 (void) GetNextToken(p,&p,MaxTextExtent,token);
6930 (void) GetNextToken(p,&p,MaxTextExtent,token);
6931 y=GetDrawValue(token,&next_token);
6932 if (token == next_token)
6933 ThrowPointExpectedException(image,token);
6934 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6935 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6938 if (status == MagickFalse)
6940 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6945 for (i=0; i < 3; i++)
6946 (q+i)->point=points[i];
6947 if (TraceBezier(mvg_info,3) == MagickFalse)
6949 q=(*mvg_info->primitive_info)+mvg_info->offset;
6950 mvg_info->offset+=q->coordinates;
6951 q+=(ptrdiff_t) q->coordinates;
6953 last_attribute=attribute;
6954 while (isspace((
int) ((
unsigned char) *p)) != 0)
6958 }
while (IsPoint(p) != MagickFalse);
6969 (void) GetNextToken(p,&p,MaxTextExtent,token);
6971 (void) GetNextToken(p,&p,MaxTextExtent,token);
6972 y=GetDrawValue(token,&next_token);
6973 if (token == next_token)
6974 ThrowPointExpectedException(image,token);
6975 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
6976 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6978 q=(*mvg_info->primitive_info)+mvg_info->offset;
6979 if (TracePoint(q,point) == MagickFalse)
6981 mvg_info->offset+=q->coordinates;
6982 q+=(ptrdiff_t) q->coordinates;
6983 while (isspace((
int) ((
unsigned char) *p)) != 0)
6987 }
while (IsPoint(p) != MagickFalse);
6997 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6999 q=(*mvg_info->primitive_info)+mvg_info->offset;
7000 if (TracePoint(q,point) == MagickFalse)
7002 mvg_info->offset+=q->coordinates;
7003 q+=(ptrdiff_t) q->coordinates;
7004 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7005 primitive_info->coordinates=(size_t) (q-primitive_info);
7006 primitive_info->closed_subpath=MagickTrue;
7007 number_coordinates+=primitive_info->coordinates;
7009 subpath_offset=mvg_info->offset;
7015 ThrowPointExpectedException(image,token);
7020 if (status == MagickFalse)
7022 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7023 primitive_info->coordinates=(size_t) (q-primitive_info);
7024 number_coordinates+=primitive_info->coordinates;
7025 for (i=0; i < (ssize_t) number_coordinates; i++)
7028 q->primitive=primitive_type;
7030 q->method=FillToBorderMethod;
7033 return((ssize_t) number_coordinates);
7036static MagickBooleanType TraceRectangle(PrimitiveInfo *primitive_info,
7037 const PointInfo start,
const PointInfo end)
7049 if (TracePoint(p,start) == MagickFalse)
7050 return(MagickFalse);
7051 p+=(ptrdiff_t) p->coordinates;
7054 if (TracePoint(p,point) == MagickFalse)
7055 return(MagickFalse);
7056 p+=(ptrdiff_t) p->coordinates;
7057 if (TracePoint(p,end) == MagickFalse)
7058 return(MagickFalse);
7059 p+=(ptrdiff_t) p->coordinates;
7062 if (TracePoint(p,point) == MagickFalse)
7063 return(MagickFalse);
7064 p+=(ptrdiff_t) p->coordinates;
7065 if (TracePoint(p,start) == MagickFalse)
7066 return(MagickFalse);
7067 p+=(ptrdiff_t) p->coordinates;
7068 primitive_info->coordinates=(size_t) (p-primitive_info);
7069 primitive_info->closed_subpath=MagickTrue;
7070 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7072 p->primitive=primitive_info->primitive;
7078static MagickBooleanType TraceRoundRectangle(MVGInfo *mvg_info,
7079 const PointInfo start,
const PointInfo end,PointInfo arc)
7098 offset=mvg_info->offset;
7099 segment.x=fabs(end.x-start.x);
7100 segment.y=fabs(end.y-start.y);
7101 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7103 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7106 if (arc.x > (0.5*segment.x))
7107 arc.x=0.5*segment.x;
7108 if (arc.y > (0.5*segment.y))
7109 arc.y=0.5*segment.y;
7110 point.x=start.x+segment.x-arc.x;
7111 point.y=start.y+arc.y;
7114 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7115 return(MagickFalse);
7116 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7117 mvg_info->offset+=p->coordinates;
7118 point.x=start.x+segment.x-arc.x;
7119 point.y=start.y+segment.y-arc.y;
7122 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7123 return(MagickFalse);
7124 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7125 mvg_info->offset+=p->coordinates;
7126 point.x=start.x+arc.x;
7127 point.y=start.y+segment.y-arc.y;
7130 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7131 return(MagickFalse);
7132 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7133 mvg_info->offset+=p->coordinates;
7134 point.x=start.x+arc.x;
7135 point.y=start.y+arc.y;
7138 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7139 return(MagickFalse);
7140 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7141 mvg_info->offset+=p->coordinates;
7142 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7143 return(MagickFalse);
7144 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7145 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7146 return(MagickFalse);
7147 p+=(ptrdiff_t) p->coordinates;
7148 mvg_info->offset=offset;
7149 primitive_info=(*mvg_info->primitive_info)+offset;
7150 primitive_info->coordinates=(size_t) (p-primitive_info);
7151 primitive_info->closed_subpath=MagickTrue;
7152 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7154 p->primitive=primitive_info->primitive;
7160static MagickBooleanType TraceSquareLinecap(PrimitiveInfo *primitive_info,
7161 const size_t number_vertices,
const double offset)
7178 for (i=1; i < (ssize_t) number_vertices; i++)
7180 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7181 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7182 if ((fabs((
double) dx) >= MagickEpsilon) ||
7183 (fabs((
double) dy) >= MagickEpsilon))
7186 if (i == (ssize_t) number_vertices)
7187 i=(ssize_t) number_vertices-1L;
7188 distance=hypot((
double) dx,(
double) dy);
7189 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7190 dx*(distance+offset)/distance);
7191 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7192 dy*(distance+offset)/distance);
7193 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7195 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7196 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7197 if ((fabs((
double) dx) >= MagickEpsilon) ||
7198 (fabs((
double) dy) >= MagickEpsilon))
7201 distance=hypot((
double) dx,(
double) dy);
7202 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7203 dx*(distance+offset)/distance);
7204 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7205 dy*(distance+offset)/distance);
7209static PrimitiveInfo *TraceStrokePolygon(
const DrawInfo *draw_info,
7210 const PrimitiveInfo *primitive_info,ExceptionInfo *exception)
7212#define MaxStrokePad (6*BezierQuantum+360)
7213#define CheckPathExtent(pad_p,pad_q) \
7215 if ((pad_p) > MaxBezierCoordinates) \
7216 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7218 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \
7220 if (~extent_p < (pad_p)) \
7221 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7224 extent_p+=(pad_p); \
7225 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7226 MaxStrokePad,sizeof(*stroke_p)); \
7229 if ((pad_q) > MaxBezierCoordinates) \
7230 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7232 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \
7234 if (~extent_q < (pad_q)) \
7235 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7238 extent_q+=(pad_q); \
7239 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7240 MaxStrokePad,sizeof(*stroke_q)); \
7243 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7245 if (stroke_p != (PointInfo *) NULL) \
7246 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7247 if (stroke_q != (PointInfo *) NULL) \
7248 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7249 polygon_primitive=(PrimitiveInfo *) \
7250 RelinquishMagickMemory(polygon_primitive); \
7251 (void) ThrowMagickException(exception,GetMagickModule(), \
7252 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7253 return((PrimitiveInfo *) NULL); \
7257 typedef struct _StrokeSegment
7303 inverse_slope = {0.0, 0.0},
7310 number_vertices=primitive_info->coordinates;
7311 polygon_primitive=(PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7312 number_vertices+2UL,
sizeof(*polygon_primitive));
7313 if (polygon_primitive == (PrimitiveInfo *) NULL)
7315 (void) ThrowMagickException(exception,GetMagickModule(),
7316 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7317 return((PrimitiveInfo *) NULL);
7319 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7320 sizeof(*polygon_primitive));
7321 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7322 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7323 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7324 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7325 if ((draw_info->linejoin == MiterJoin) ||
7326 ((draw_info->linejoin == RoundJoin) && (closed_path != MagickFalse)))
7328 polygon_primitive[number_vertices]=primitive_info[1];
7331 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7335 closed_path=primitive_info[0].closed_subpath;
7338 for (n=1; n < (ssize_t) number_vertices; n++)
7340 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7341 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7342 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7345 if (n == (ssize_t) number_vertices)
7347 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7352 stroke_polygon=(PrimitiveInfo *) AcquireCriticalMemory(
7353 sizeof(*stroke_polygon));
7354 stroke_polygon[0]=polygon_primitive[0];
7355 stroke_polygon[0].coordinates=0;
7356 polygon_primitive=(PrimitiveInfo *) RelinquishMagickMemory(
7358 return(stroke_polygon);
7360 n=(ssize_t) number_vertices-1L;
7362 extent_p=2*number_vertices;
7363 extent_q=2*number_vertices;
7364 stroke_p=(PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7366 stroke_q=(PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7368 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL))
7370 if (stroke_p != (PointInfo *) NULL)
7371 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p);
7372 if (stroke_q != (PointInfo *) NULL)
7373 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q);
7374 polygon_primitive=(PrimitiveInfo *)
7375 RelinquishMagickMemory(polygon_primitive);
7376 (void) ThrowMagickException(exception,GetMagickModule(),
7377 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7378 return((PrimitiveInfo *) NULL);
7381 inverse_slope.p=0.0;
7382 if (fabs(dx.p) < MagickEpsilon)
7385 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7387 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7390 if (fabs(dy.p) < MagickEpsilon)
7393 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7395 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7400 inverse_slope.p=(-1.0*MagickSafeReciprocal(slope.p));
7402 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7403 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7404 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7405 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7406 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7407 offset.y=(double) (offset.x*inverse_slope.p);
7408 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7410 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7411 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7412 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7413 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7414 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7415 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7416 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7417 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7421 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7422 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7423 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7424 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7425 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7426 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7427 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7428 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7435 stroke_q[p++]=box_q[0];
7436 stroke_p[q++]=box_p[0];
7437 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7442 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7443 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7444 dot_product=dx.q*dx.q+dy.q*dy.q;
7445 if (dot_product < 0.25)
7448 inverse_slope.q=0.0;
7449 if (fabs(dx.q) < MagickEpsilon)
7452 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7454 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7457 if (fabs(dy.q) < MagickEpsilon)
7460 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7462 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7467 inverse_slope.q=(-1.0*MagickSafeReciprocal(slope.q));
7469 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7470 offset.y=(double) (offset.x*inverse_slope.q);
7471 dot_product=dy.q*offset.x-dx.q*offset.y;
7472 if (dot_product > 0.0)
7474 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7475 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7476 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7477 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7478 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7479 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7480 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7481 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7485 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7486 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7487 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7488 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7489 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7490 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7491 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7492 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7494 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7501 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7502 box_p[3].y)/(slope.p-slope.q));
7503 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7504 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7505 box_q[3].y)/(slope.p-slope.q));
7506 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7508 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7509 dot_product=dx.q*dy.p-dx.p*dy.q;
7510 if (dot_product <= 0.0)
7511 switch (draw_info->linejoin)
7515 stroke_q[q++]=box_q[1];
7516 stroke_q[q++]=box_q[2];
7517 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7518 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7519 if (dot_product <= miterlimit)
7520 stroke_p[p++]=box_p[4];
7523 stroke_p[p++]=box_p[1];
7524 stroke_p[p++]=box_p[2];
7530 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7531 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7532 if (dot_product <= miterlimit)
7534 stroke_q[q++]=box_q[4];
7535 stroke_p[p++]=box_p[4];
7539 stroke_q[q++]=box_q[1];
7540 stroke_q[q++]=box_q[2];
7541 stroke_p[p++]=box_p[1];
7542 stroke_p[p++]=box_p[2];
7548 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7549 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7550 if (dot_product <= miterlimit)
7551 stroke_p[p++]=box_p[4];
7554 stroke_p[p++]=box_p[1];
7555 stroke_p[p++]=box_p[2];
7557 center=polygon_primitive[n].point;
7558 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7559 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7560 if (theta.q < theta.p)
7561 theta.q+=2.0*MagickPI;
7562 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7563 theta.p)/(2.0*sqrt(MagickSafeReciprocal(mid))))));
7564 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7565 stroke_q[q].x=box_q[1].x;
7566 stroke_q[q].y=box_q[1].y;
7568 for (j=1; j < (ssize_t) arc_segments; j++)
7570 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7571 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7572 (theta.p+delta_theta),DegreesToRadians(360.0))));
7573 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7574 (theta.p+delta_theta),DegreesToRadians(360.0))));
7577 stroke_q[q++]=box_q[2];
7584 switch (draw_info->linejoin)
7588 stroke_p[p++]=box_p[1];
7589 stroke_p[p++]=box_p[2];
7590 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7591 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7592 if (dot_product <= miterlimit)
7593 stroke_q[q++]=box_q[4];
7596 stroke_q[q++]=box_q[1];
7597 stroke_q[q++]=box_q[2];
7603 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7604 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7605 if (dot_product <= miterlimit)
7607 stroke_q[q++]=box_q[4];
7608 stroke_p[p++]=box_p[4];
7612 stroke_q[q++]=box_q[1];
7613 stroke_q[q++]=box_q[2];
7614 stroke_p[p++]=box_p[1];
7615 stroke_p[p++]=box_p[2];
7621 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7622 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7623 if (dot_product <= miterlimit)
7624 stroke_q[q++]=box_q[4];
7627 stroke_q[q++]=box_q[1];
7628 stroke_q[q++]=box_q[2];
7630 center=polygon_primitive[n].point;
7631 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7632 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7633 if (theta.p < theta.q)
7634 theta.p+=2.0*MagickPI;
7635 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7636 theta.q)/(2.0*sqrt((
double) (MagickSafeReciprocal(mid)))))));
7637 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7638 stroke_p[p++]=box_p[1];
7639 for (j=1; j < (ssize_t) arc_segments; j++)
7641 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7642 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7643 (theta.p+delta_theta),DegreesToRadians(360.0))));
7644 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7645 (theta.p+delta_theta),DegreesToRadians(360.0))));
7648 stroke_p[p++]=box_p[2];
7655 inverse_slope.p=inverse_slope.q;
7664 stroke_p[p++]=box_p[1];
7665 stroke_q[q++]=box_q[1];
7669 stroke_polygon=(PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7670 (p+q+2UL*closed_path+2UL),
sizeof(*stroke_polygon));
7671 if (stroke_polygon == (PrimitiveInfo *) NULL)
7673 (void) ThrowMagickException(exception,GetMagickModule(),
7674 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7675 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p);
7676 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q);
7677 polygon_primitive=(PrimitiveInfo *) RelinquishMagickMemory(
7679 return(stroke_polygon);
7681 for (i=0; i < (ssize_t) p; i++)
7683 stroke_polygon[i]=polygon_primitive[0];
7684 stroke_polygon[i].point=stroke_p[i];
7686 if (closed_path != MagickFalse)
7688 stroke_polygon[i]=polygon_primitive[0];
7689 stroke_polygon[i].point=stroke_polygon[0].point;
7692 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7694 stroke_polygon[i]=polygon_primitive[0];
7695 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7697 if (closed_path != MagickFalse)
7699 stroke_polygon[i]=polygon_primitive[0];
7700 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7703 stroke_polygon[i]=polygon_primitive[0];
7704 stroke_polygon[i].point=stroke_polygon[0].point;
7706 stroke_polygon[i].primitive=UndefinedPrimitive;
7707 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7708 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p);
7709 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q);
7710 polygon_primitive=(PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7711 return(stroke_polygon);