48#include "MagickCore/studio.h"
49#include "MagickCore/annotate.h"
50#include "MagickCore/artifact.h"
51#include "MagickCore/blob.h"
52#include "MagickCore/cache.h"
53#include "MagickCore/cache-private.h"
54#include "MagickCore/cache-view.h"
55#include "MagickCore/channel.h"
56#include "MagickCore/color.h"
57#include "MagickCore/colorspace-private.h"
58#include "MagickCore/composite.h"
59#include "MagickCore/composite-private.h"
60#include "MagickCore/constitute.h"
61#include "MagickCore/draw.h"
62#include "MagickCore/draw-private.h"
63#include "MagickCore/enhance.h"
64#include "MagickCore/exception.h"
65#include "MagickCore/exception-private.h"
66#include "MagickCore/gem.h"
67#include "MagickCore/geometry.h"
68#include "MagickCore/image-private.h"
69#include "MagickCore/list.h"
70#include "MagickCore/log.h"
71#include "MagickCore/magick.h"
72#include "MagickCore/memory-private.h"
73#include "MagickCore/monitor.h"
74#include "MagickCore/monitor-private.h"
75#include "MagickCore/option.h"
76#include "MagickCore/paint.h"
77#include "MagickCore/pixel-accessor.h"
78#include "MagickCore/property.h"
79#include "MagickCore/resample.h"
80#include "MagickCore/resample-private.h"
81#include "MagickCore/resource_.h"
82#include "MagickCore/splay-tree.h"
83#include "MagickCore/string_.h"
84#include "MagickCore/string-private.h"
85#include "MagickCore/thread-private.h"
86#include "MagickCore/token.h"
87#include "MagickCore/transform-private.h"
88#include "MagickCore/utility.h"
93#define AntialiasThreshold (1.0/3.0)
94#define BezierQuantum 200
95#define PrimitiveExtentPad 4296.0
96#define MaxBezierCoordinates 67108864
97#define ThrowPointExpectedException(token,exception) \
99 (void) ThrowMagickException(exception,GetMagickModule(),DrawError, \
100 "NonconformingDrawingPrimitiveDefinition","`%s'",token); \
101 status=MagickFalse; \
191 *DrawClippingMask(Image *,
const DrawInfo *,
const char *,
const char *,
194static MagickBooleanType
195 DrawStrokePolygon(Image *,
const DrawInfo *,
const PrimitiveInfo *,
197 RenderMVGContent(Image *,
const DrawInfo *,
const size_t,ExceptionInfo *),
198 TraceArc(MVGInfo *,
const PointInfo,
const PointInfo,
const PointInfo),
199 TraceArcPath(MVGInfo *,
const PointInfo,
const PointInfo,
const PointInfo,
200 const double,
const MagickBooleanType,
const MagickBooleanType),
201 TraceBezier(MVGInfo *,
const size_t),
202 TraceCircle(MVGInfo *,
const PointInfo,
const PointInfo),
203 TraceEllipse(MVGInfo *,
const PointInfo,
const PointInfo,
const PointInfo),
204 TraceLine(PrimitiveInfo *,
const PointInfo,
const PointInfo),
205 TraceRectangle(PrimitiveInfo *,
const PointInfo,
const PointInfo),
206 TraceRoundRectangle(MVGInfo *,
const PointInfo,
const PointInfo,PointInfo),
207 TraceSquareLinecap(PrimitiveInfo *,
const size_t,
const double);
210 *TraceStrokePolygon(
const DrawInfo *,
const PrimitiveInfo *,ExceptionInfo *);
213 TracePath(MVGInfo *,
const char *,ExceptionInfo *);
233MagickExport DrawInfo *AcquireDrawInfo(
void)
238 draw_info=(DrawInfo *) AcquireCriticalMemory(
sizeof(*draw_info));
239 GetDrawInfo((ImageInfo *) NULL,draw_info);
270MagickExport DrawInfo *CloneDrawInfo(
const ImageInfo *image_info,
271 const DrawInfo *draw_info)
279 clone_info=(DrawInfo *) AcquireCriticalMemory(
sizeof(*clone_info));
280 GetDrawInfo(image_info,clone_info);
281 if (draw_info == (DrawInfo *) NULL)
283 exception=AcquireExceptionInfo();
284 if (draw_info->id != (
char *) NULL)
285 (void) CloneString(&clone_info->id,draw_info->id);
286 if (draw_info->primitive != (
char *) NULL)
287 (void) CloneString(&clone_info->primitive,draw_info->primitive);
288 if (draw_info->geometry != (
char *) NULL)
289 (void) CloneString(&clone_info->geometry,draw_info->geometry);
290 clone_info->compliance=draw_info->compliance;
291 clone_info->viewbox=draw_info->viewbox;
292 clone_info->affine=draw_info->affine;
293 clone_info->gravity=draw_info->gravity;
294 clone_info->fill=draw_info->fill;
295 clone_info->stroke=draw_info->stroke;
296 clone_info->stroke_width=draw_info->stroke_width;
297 if (draw_info->fill_pattern != (Image *) NULL)
298 clone_info->fill_pattern=CloneImage(draw_info->fill_pattern,0,0,MagickTrue,
300 if (draw_info->stroke_pattern != (Image *) NULL)
301 clone_info->stroke_pattern=CloneImage(draw_info->stroke_pattern,0,0,
302 MagickTrue,exception);
303 clone_info->stroke_antialias=draw_info->stroke_antialias;
304 clone_info->text_antialias=draw_info->text_antialias;
305 clone_info->fill_rule=draw_info->fill_rule;
306 clone_info->linecap=draw_info->linecap;
307 clone_info->linejoin=draw_info->linejoin;
308 clone_info->miterlimit=draw_info->miterlimit;
309 clone_info->dash_offset=draw_info->dash_offset;
310 clone_info->decorate=draw_info->decorate;
311 clone_info->compose=draw_info->compose;
312 if (draw_info->text != (
char *) NULL)
313 (void) CloneString(&clone_info->text,draw_info->text);
314 if (draw_info->font != (
char *) NULL)
315 (void) CloneString(&clone_info->font,draw_info->font);
316 if (draw_info->metrics != (
char *) NULL)
317 (void) CloneString(&clone_info->metrics,draw_info->metrics);
318 if (draw_info->family != (
char *) NULL)
319 (void) CloneString(&clone_info->family,draw_info->family);
320 clone_info->style=draw_info->style;
321 clone_info->stretch=draw_info->stretch;
322 clone_info->weight=draw_info->weight;
323 if (draw_info->encoding != (
char *) NULL)
324 (void) CloneString(&clone_info->encoding,draw_info->encoding);
325 clone_info->pointsize=draw_info->pointsize;
326 clone_info->kerning=draw_info->kerning;
327 clone_info->interline_spacing=draw_info->interline_spacing;
328 clone_info->interword_spacing=draw_info->interword_spacing;
329 clone_info->direction=draw_info->direction;
330 clone_info->word_break=draw_info->word_break;
331 if (draw_info->density != (
char *) NULL)
332 (void) CloneString(&clone_info->density,draw_info->density);
333 clone_info->align=draw_info->align;
334 clone_info->undercolor=draw_info->undercolor;
335 clone_info->border_color=draw_info->border_color;
336 if (draw_info->server_name != (
char *) NULL)
337 (void) CloneString(&clone_info->server_name,draw_info->server_name);
338 if (draw_info->dash_pattern != (
double *) NULL)
343 for (x=0; fabs(draw_info->dash_pattern[x]) >= MagickEpsilon; x++) ;
344 clone_info->dash_pattern=(
double *) AcquireQuantumMemory((
size_t) (2*x+2),
345 sizeof(*clone_info->dash_pattern));
346 if (clone_info->dash_pattern == (
double *) NULL)
347 ThrowFatalException(ResourceLimitFatalError,
348 "UnableToAllocateDashPattern");
349 (void) memset(clone_info->dash_pattern,0,(
size_t) (2*x+2)*
350 sizeof(*clone_info->dash_pattern));
351 (void) memcpy(clone_info->dash_pattern,draw_info->dash_pattern,(
size_t)
352 (x+1)*
sizeof(*clone_info->dash_pattern));
354 clone_info->gradient=draw_info->gradient;
355 if (draw_info->gradient.stops != (StopInfo *) NULL)
360 number_stops=clone_info->gradient.number_stops;
361 clone_info->gradient.stops=(StopInfo *) AcquireQuantumMemory((
size_t)
362 number_stops,
sizeof(*clone_info->gradient.stops));
363 if (clone_info->gradient.stops == (StopInfo *) NULL)
364 ThrowFatalException(ResourceLimitFatalError,
365 "UnableToAllocateDashPattern");
366 (void) memcpy(clone_info->gradient.stops,draw_info->gradient.stops,
367 (
size_t) number_stops*
sizeof(*clone_info->gradient.stops));
369 clone_info->bounds=draw_info->bounds;
370 clone_info->fill_alpha=draw_info->fill_alpha;
371 clone_info->stroke_alpha=draw_info->stroke_alpha;
372 clone_info->element_reference=draw_info->element_reference;
373 clone_info->clip_path=draw_info->clip_path;
374 clone_info->clip_units=draw_info->clip_units;
375 if (draw_info->clip_mask != (
char *) NULL)
376 (void) CloneString(&clone_info->clip_mask,draw_info->clip_mask);
377 if (draw_info->clipping_mask != (Image *) NULL)
378 clone_info->clipping_mask=CloneImage(draw_info->clipping_mask,0,0,
379 MagickTrue,exception);
380 if (draw_info->composite_mask != (Image *) NULL)
381 clone_info->composite_mask=CloneImage(draw_info->composite_mask,0,0,
382 MagickTrue,exception);
383 clone_info->render=draw_info->render;
384 clone_info->debug=draw_info->debug;
385 exception=DestroyExceptionInfo(exception);
420static PolygonInfo *DestroyPolygonInfo(PolygonInfo *polygon_info)
425 if (polygon_info->edges != (EdgeInfo *) NULL)
427 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
428 if (polygon_info->edges[i].points != (PointInfo *) NULL)
429 polygon_info->edges[i].points=(PointInfo *)
430 RelinquishMagickMemory(polygon_info->edges[i].points);
431 polygon_info->edges=(EdgeInfo *) RelinquishMagickMemory(
432 polygon_info->edges);
434 return((PolygonInfo *) RelinquishMagickMemory(polygon_info));
436#if defined(__cplusplus) || defined(c_plusplus)
440static int DrawCompareEdges(
const void *p_edge,
const void *q_edge)
442#define DrawCompareEdge(p,q) \
444 if (((p)-(q)) < 0.0) \
446 if (((p)-(q)) > 0.0) \
457 p=((
const EdgeInfo *) p_edge)->points;
458 q=((
const EdgeInfo *) q_edge)->points;
459 DrawCompareEdge(p[0].y,q[0].y);
460 DrawCompareEdge(p[0].x,q[0].x);
461 DrawCompareEdge((p[1].x-p[0].x)*(q[1].y-q[0].y),(p[1].y-p[0].y)*
463 DrawCompareEdge(p[1].y,q[1].y);
464 DrawCompareEdge(p[1].x,q[1].x);
468#if defined(__cplusplus) || defined(c_plusplus)
472static void LogPolygonInfo(
const PolygonInfo *polygon_info)
481 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin active-edge");
482 p=polygon_info->edges;
483 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
485 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" edge %.20g:",
487 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" direction: %s",
488 p->direction != MagickFalse ?
"down" :
"up");
489 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" ghostline: %s",
490 p->ghostline != MagickFalse ?
"transparent" :
"opaque");
491 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
492 " bounds: %g,%g - %g,%g",p->bounds.x1,p->bounds.y1,
493 p->bounds.x2,p->bounds.y2);
494 for (j=0; j < (ssize_t) p->number_points; j++)
495 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %g,%g",
496 p->points[j].x,p->points[j].y);
499 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end active-edge");
502static void ReversePoints(PointInfo *points,
const size_t number_points)
510 for (i=0; i < (number_points >> 1); i++)
513 points[i]=points[number_points-(i+1)];
514 points[number_points-(i+1)]=point;
518static PolygonInfo *ConvertPathToPolygon(
const PathInfo *path_info,
519 ExceptionInfo *exception)
550 polygon_info=(PolygonInfo *) AcquireMagickMemory(
sizeof(*polygon_info));
551 if (polygon_info == (PolygonInfo *) NULL)
553 (void) ThrowMagickException(exception,GetMagickModule(),
554 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
555 return((PolygonInfo *) NULL);
558 polygon_info->edges=(EdgeInfo *) AcquireQuantumMemory(number_edges,
559 sizeof(*polygon_info->edges));
560 if (polygon_info->edges == (EdgeInfo *) NULL)
562 (void) ThrowMagickException(exception,GetMagickModule(),
563 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
564 return(DestroyPolygonInfo(polygon_info));
566 (void) memset(polygon_info->edges,0,number_edges*
567 sizeof(*polygon_info->edges));
570 ghostline=MagickFalse;
573 points=(PointInfo *) NULL;
574 (void) memset(&point,0,
sizeof(point));
575 (void) memset(&bounds,0,
sizeof(bounds));
576 polygon_info->edges[edge].number_points=(size_t) n;
577 polygon_info->edges[edge].scanline=0.0;
578 polygon_info->edges[edge].highwater=0;
579 polygon_info->edges[edge].ghostline=ghostline;
580 polygon_info->edges[edge].direction=(ssize_t) direction;
581 polygon_info->edges[edge].points=points;
582 polygon_info->edges[edge].bounds=bounds;
583 polygon_info->number_edges=0;
584 for (i=0; path_info[i].code != EndCode; i++)
586 if ((path_info[i].code == MoveToCode) || (path_info[i].code == OpenCode) ||
587 (path_info[i].code == GhostlineCode))
592 if ((points != (PointInfo *) NULL) && (n >= 2))
594 if (edge == number_edges)
597 polygon_info->edges=(EdgeInfo *) ResizeQuantumMemory(
598 polygon_info->edges,(
size_t) number_edges,
599 sizeof(*polygon_info->edges));
600 if (polygon_info->edges == (EdgeInfo *) NULL)
602 (void) ThrowMagickException(exception,GetMagickModule(),
603 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
604 points=(PointInfo *) RelinquishMagickMemory(points);
605 return(DestroyPolygonInfo(polygon_info));
608 polygon_info->edges[edge].number_points=(size_t) n;
609 polygon_info->edges[edge].scanline=(-1.0);
610 polygon_info->edges[edge].highwater=0;
611 polygon_info->edges[edge].ghostline=ghostline;
612 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
614 ReversePoints(points,(
size_t) n);
615 polygon_info->edges[edge].points=points;
616 polygon_info->edges[edge].bounds=bounds;
617 polygon_info->edges[edge].bounds.y1=points[0].y;
618 polygon_info->edges[edge].bounds.y2=points[n-1].y;
619 points=(PointInfo *) NULL;
620 ghostline=MagickFalse;
622 polygon_info->number_edges=edge;
624 if (points == (PointInfo *) NULL)
627 points=(PointInfo *) AcquireQuantumMemory((
size_t) number_points,
629 if (points == (PointInfo *) NULL)
631 (void) ThrowMagickException(exception,GetMagickModule(),
632 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
633 return(DestroyPolygonInfo(polygon_info));
636 ghostline=path_info[i].code == GhostlineCode ? MagickTrue : MagickFalse;
637 point=path_info[i].point;
648 next_direction=((path_info[i].point.y > point.y) ||
649 ((fabs(path_info[i].point.y-point.y) < MagickEpsilon) &&
650 (path_info[i].point.x > point.x))) ? 1 : -1;
651 if ((points != (PointInfo *) NULL) && (direction != 0) &&
652 (direction != next_direction))
658 if (edge == number_edges)
661 polygon_info->edges=(EdgeInfo *) ResizeQuantumMemory(
662 polygon_info->edges,(
size_t) number_edges,
663 sizeof(*polygon_info->edges));
664 if (polygon_info->edges == (EdgeInfo *) NULL)
666 (void) ThrowMagickException(exception,GetMagickModule(),
667 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
668 points=(PointInfo *) RelinquishMagickMemory(points);
669 return(DestroyPolygonInfo(polygon_info));
672 polygon_info->edges[edge].number_points=(size_t) n;
673 polygon_info->edges[edge].scanline=(-1.0);
674 polygon_info->edges[edge].highwater=0;
675 polygon_info->edges[edge].ghostline=ghostline;
676 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
678 ReversePoints(points,(
size_t) n);
679 polygon_info->edges[edge].points=points;
680 polygon_info->edges[edge].bounds=bounds;
681 polygon_info->edges[edge].bounds.y1=points[0].y;
682 polygon_info->edges[edge].bounds.y2=points[n-1].y;
683 polygon_info->number_edges=edge+1;
684 points=(PointInfo *) NULL;
686 points=(PointInfo *) AcquireQuantumMemory((
size_t) number_points,
688 if (points == (PointInfo *) NULL)
690 (void) ThrowMagickException(exception,GetMagickModule(),
691 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
692 return(DestroyPolygonInfo(polygon_info));
695 ghostline=MagickFalse;
701 direction=next_direction;
702 if (points == (PointInfo *) NULL)
704 if (n == (ssize_t) number_points)
707 points=(PointInfo *) ResizeQuantumMemory(points,(
size_t) number_points,
709 if (points == (PointInfo *) NULL)
711 (void) ThrowMagickException(exception,GetMagickModule(),
712 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
713 return(DestroyPolygonInfo(polygon_info));
716 point=path_info[i].point;
718 if (point.x < bounds.x1)
720 if (point.x > bounds.x2)
724 if (points != (PointInfo *) NULL)
727 points=(PointInfo *) RelinquishMagickMemory(points);
730 if (edge == number_edges)
733 polygon_info->edges=(EdgeInfo *) ResizeQuantumMemory(
734 polygon_info->edges,(
size_t) number_edges,
735 sizeof(*polygon_info->edges));
736 if (polygon_info->edges == (EdgeInfo *) NULL)
738 (void) ThrowMagickException(exception,GetMagickModule(),
739 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
740 return(DestroyPolygonInfo(polygon_info));
743 polygon_info->edges[edge].number_points=(size_t) n;
744 polygon_info->edges[edge].scanline=(-1.0);
745 polygon_info->edges[edge].highwater=0;
746 polygon_info->edges[edge].ghostline=ghostline;
747 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
749 ReversePoints(points,(
size_t) n);
750 polygon_info->edges[edge].points=points;
751 polygon_info->edges[edge].bounds=bounds;
752 polygon_info->edges[edge].bounds.y1=points[0].y;
753 polygon_info->edges[edge].bounds.y2=points[n-1].y;
754 points=(PointInfo *) NULL;
755 ghostline=MagickFalse;
757 polygon_info->number_edges=edge;
760 polygon_info->number_edges=edge;
761 polygon_info->edges=(EdgeInfo *) ResizeQuantumMemory(polygon_info->edges,
762 polygon_info->number_edges,
sizeof(*polygon_info->edges));
763 if (polygon_info->edges == (EdgeInfo *) NULL)
765 (void) ThrowMagickException(exception,GetMagickModule(),
766 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
767 return(DestroyPolygonInfo(polygon_info));
769 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
774 edge_info=polygon_info->edges+i;
775 edge_info->points=(PointInfo *) ResizeQuantumMemory(edge_info->points,
776 edge_info->number_points,
sizeof(*edge_info->points));
777 if (edge_info->points == (PointInfo *) NULL)
779 (void) ThrowMagickException(exception,GetMagickModule(),
780 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
781 return(DestroyPolygonInfo(polygon_info));
784 qsort(polygon_info->edges,(
size_t) polygon_info->number_edges,
785 sizeof(*polygon_info->edges),DrawCompareEdges);
786 if ((GetLogEventMask() & DrawEvent) != 0)
787 LogPolygonInfo(polygon_info);
788 return(polygon_info);
821static void LogPathInfo(
const PathInfo *path_info)
826 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin vector-path");
827 for (p=path_info; p->code != EndCode; p++)
828 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
829 " %g,%g %s",p->point.x,p->point.y,p->code == GhostlineCode ?
830 "moveto ghostline" : p->code == OpenCode ?
"moveto open" :
831 p->code == MoveToCode ?
"moveto" : p->code == LineToCode ?
"lineto" :
833 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end vector-path");
836static PathInfo *ConvertPrimitiveToPath(
const PrimitiveInfo *primitive_info,
837 ExceptionInfo *exception)
863 switch (primitive_info->primitive)
870 return((PathInfo *) NULL);
874 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
875 path_info=(PathInfo *) AcquireQuantumMemory((
size_t) (3UL*i+1UL),
877 if (path_info == (PathInfo *) NULL)
879 (void) ThrowMagickException(exception,GetMagickModule(),
880 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
881 return((PathInfo *) NULL);
884 closed_subpath=MagickFalse;
891 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
894 if (coordinates <= 0)
899 coordinates=primitive_info[i].coordinates;
900 p=primitive_info[i].point;
903 closed_subpath=primitive_info[i].closed_subpath;
906 if ((code == MoveToCode) || (coordinates <= 0) ||
907 (fabs(q.x-primitive_info[i].point.x) >= MagickEpsilon) ||
908 (fabs(q.y-primitive_info[i].point.y) >= MagickEpsilon))
913 path_info[n].code=code;
914 path_info[n].point=primitive_info[i].point;
915 q=primitive_info[i].point;
920 if (closed_subpath != MagickFalse)
922 closed_subpath=MagickFalse;
928 path_info[start].code=OpenCode;
929 path_info[n].code=GhostlineCode;
930 path_info[n].point=primitive_info[i].point;
932 path_info[n].code=LineToCode;
933 path_info[n].point=p;
936 path_info[n].code=EndCode;
937 path_info[n].point.x=0.0;
938 path_info[n].point.y=0.0;
939 if (IsEventLogging() != MagickFalse)
940 LogPathInfo(path_info);
941 path_info=(PathInfo *) ResizeQuantumMemory(path_info,(
size_t) (n+1),
968MagickExport DrawInfo *DestroyDrawInfo(DrawInfo *draw_info)
970 assert(draw_info != (DrawInfo *) NULL);
971 assert(draw_info->signature == MagickCoreSignature);
972 if (IsEventLogging() != MagickFalse)
973 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
974 if (draw_info->id != (
char *) NULL)
975 draw_info->id=DestroyString(draw_info->id);
976 if (draw_info->primitive != (
char *) NULL)
977 draw_info->primitive=DestroyString(draw_info->primitive);
978 if (draw_info->text != (
char *) NULL)
979 draw_info->text=DestroyString(draw_info->text);
980 if (draw_info->geometry != (
char *) NULL)
981 draw_info->geometry=DestroyString(draw_info->geometry);
982 if (draw_info->fill_pattern != (Image *) NULL)
983 draw_info->fill_pattern=DestroyImage(draw_info->fill_pattern);
984 if (draw_info->stroke_pattern != (Image *) NULL)
985 draw_info->stroke_pattern=DestroyImage(draw_info->stroke_pattern);
986 if (draw_info->font != (
char *) NULL)
987 draw_info->font=DestroyString(draw_info->font);
988 if (draw_info->metrics != (
char *) NULL)
989 draw_info->metrics=DestroyString(draw_info->metrics);
990 if (draw_info->family != (
char *) NULL)
991 draw_info->family=DestroyString(draw_info->family);
992 if (draw_info->encoding != (
char *) NULL)
993 draw_info->encoding=DestroyString(draw_info->encoding);
994 if (draw_info->density != (
char *) NULL)
995 draw_info->density=DestroyString(draw_info->density);
996 if (draw_info->server_name != (
char *) NULL)
997 draw_info->server_name=(
char *)
998 RelinquishMagickMemory(draw_info->server_name);
999 if (draw_info->dash_pattern != (
double *) NULL)
1000 draw_info->dash_pattern=(
double *) RelinquishMagickMemory(
1001 draw_info->dash_pattern);
1002 if (draw_info->gradient.stops != (StopInfo *) NULL)
1003 draw_info->gradient.stops=(StopInfo *) RelinquishMagickMemory(
1004 draw_info->gradient.stops);
1005 if (draw_info->clip_mask != (
char *) NULL)
1006 draw_info->clip_mask=DestroyString(draw_info->clip_mask);
1007 if (draw_info->clipping_mask != (Image *) NULL)
1008 draw_info->clipping_mask=DestroyImage(draw_info->clipping_mask);
1009 if (draw_info->composite_mask != (Image *) NULL)
1010 draw_info->composite_mask=DestroyImage(draw_info->composite_mask);
1011 if (draw_info->image_info != (ImageInfo *) NULL)
1012 draw_info->image_info=DestroyImageInfo(draw_info->image_info);
1013 draw_info->signature=(~MagickCoreSignature);
1014 draw_info=(DrawInfo *) RelinquishMagickMemory(draw_info);
1049static SegmentInfo AffineEdge(
const Image *image,
const AffineMatrix *affine,
1050 const double y,
const SegmentInfo *edge)
1065 inverse_edge.x1=edge->x1;
1066 inverse_edge.y1=edge->y1;
1067 inverse_edge.x2=edge->x2;
1068 inverse_edge.y2=edge->y2;
1069 z=affine->ry*y+affine->tx;
1070 if (affine->sx >= MagickEpsilon)
1072 intercept=(-z/affine->sx);
1074 if (x > inverse_edge.x1)
1076 intercept=(-z+(double) image->columns)/affine->sx;
1078 if (x < inverse_edge.x2)
1082 if (affine->sx < -MagickEpsilon)
1084 intercept=(-z+(double) image->columns)/affine->sx;
1086 if (x > inverse_edge.x1)
1088 intercept=(-z/affine->sx);
1090 if (x < inverse_edge.x2)
1094 if ((z < 0.0) || ((
size_t) floor(z+0.5) >= image->columns))
1096 inverse_edge.x2=edge->x1;
1097 return(inverse_edge);
1102 z=affine->sy*y+affine->ty;
1103 if (affine->rx >= MagickEpsilon)
1105 intercept=(-z/affine->rx);
1107 if (x > inverse_edge.x1)
1109 intercept=(-z+(double) image->rows)/affine->rx;
1111 if (x < inverse_edge.x2)
1115 if (affine->rx < -MagickEpsilon)
1117 intercept=(-z+(double) image->rows)/affine->rx;
1119 if (x > inverse_edge.x1)
1121 intercept=(-z/affine->rx);
1123 if (x < inverse_edge.x2)
1127 if ((z < 0.0) || ((
size_t) floor(z+0.5) >= image->rows))
1129 inverse_edge.x2=edge->x2;
1130 return(inverse_edge);
1132 return(inverse_edge);
1135static AffineMatrix InverseAffineMatrix(
const AffineMatrix *affine)
1143 determinant=MagickSafeReciprocal(affine->sx*affine->sy-affine->rx*
1145 inverse_affine.sx=determinant*affine->sy;
1146 inverse_affine.rx=determinant*(-affine->rx);
1147 inverse_affine.ry=determinant*(-affine->ry);
1148 inverse_affine.sy=determinant*affine->sx;
1149 inverse_affine.tx=(-affine->tx)*inverse_affine.sx-affine->ty*
1151 inverse_affine.ty=(-affine->tx)*inverse_affine.rx-affine->ty*
1153 return(inverse_affine);
1156MagickExport MagickBooleanType DrawAffineImage(Image *image,
1157 const Image *source,
const AffineMatrix *affine,ExceptionInfo *exception)
1191 assert(image != (Image *) NULL);
1192 assert(image->signature == MagickCoreSignature);
1193 if (IsEventLogging() != MagickFalse)
1194 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1195 assert(source != (
const Image *) NULL);
1196 assert(source->signature == MagickCoreSignature);
1197 assert(affine != (AffineMatrix *) NULL);
1200 extent[1].x=(double) source->columns;
1202 extent[2].x=(double) source->columns;
1203 extent[2].y=(double) source->rows;
1205 extent[3].y=(double) source->rows;
1206 for (i=0; i < 4; i++)
1212 extent[i].x=point.x*affine->sx+point.y*affine->ry+affine->tx;
1213 extent[i].y=point.x*affine->rx+point.y*affine->sy+affine->ty;
1217 for (i=1; i < 4; i++)
1219 if (min.x > extent[i].x)
1221 if (min.y > extent[i].y)
1223 if (max.x < extent[i].x)
1225 if (max.y < extent[i].y)
1231 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
1232 return(MagickFalse);
1238 inverse_affine=InverseAffineMatrix(affine);
1241 if (edge.y2 > ((
double) image->rows-1.0))
1242 edge.y2=(double) image->rows-1.0;
1243 GetPixelInfo(image,&zero);
1244 start=CastDoubleToSsizeT(ceil(edge.y1-0.5));
1245 stop=CastDoubleToSsizeT(floor(edge.y2+0.5));
1246 source_view=AcquireVirtualCacheView(source,exception);
1247 image_view=AcquireAuthenticCacheView(image,exception);
1248#if defined(MAGICKCORE_OPENMP_SUPPORT)
1249 #pragma omp parallel for schedule(static) shared(status) \
1250 magick_number_threads(source,image,(size_t) (stop-start),2)
1252 for (y=start; y <= stop; y++)
1270 if (status == MagickFalse)
1272 inverse_edge=AffineEdge(source,&inverse_affine,(
double) y,&edge);
1273 if (inverse_edge.x2 < inverse_edge.x1)
1275 if (inverse_edge.x1 < 0.0)
1276 inverse_edge.x1=0.0;
1277 if (inverse_edge.x2 > ((
double) image->columns-1.0))
1278 inverse_edge.x2=(double) image->columns-1.0;
1279 q=GetCacheViewAuthenticPixels(image_view,CastDoubleToSsizeT(
1280 ceil(inverse_edge.x1-0.5)),y,(
size_t) CastDoubleToSsizeT(floor(
1281 inverse_edge.x2+0.5)-ceil(inverse_edge.x1-0.5)+1),1,exception);
1282 if (q == (Quantum *) NULL)
1286 for (x=CastDoubleToSsizeT(ceil(inverse_edge.x1-0.5));
1287 x <= CastDoubleToSsizeT(floor(inverse_edge.x2+0.5)); x++)
1289 point.x=(double) x*inverse_affine.sx+y*inverse_affine.ry+
1291 point.y=(double) x*inverse_affine.rx+y*inverse_affine.sy+
1293 status=InterpolatePixelInfo(source,source_view,UndefinedInterpolatePixel,
1294 point.x,point.y,&pixel,exception);
1295 if (status == MagickFalse)
1297 GetPixelInfoPixel(image,q,&composite);
1298 CompositePixelInfoOver(&pixel,pixel.alpha,&composite,composite.alpha,
1300 SetPixelViaPixelInfo(image,&composite,q);
1301 q+=(ptrdiff_t) GetPixelChannels(image);
1303 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1306 source_view=DestroyCacheView(source_view);
1307 image_view=DestroyCacheView(image_view);
1343static MagickBooleanType DrawBoundingRectangles(Image *image,
1344 const DrawInfo *draw_info,
const PolygonInfo *polygon_info,
1345 ExceptionInfo *exception)
1373 (void) memset(primitive_info,0,
sizeof(primitive_info));
1374 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
1375 status=QueryColorCompliance(
"#000F",AllCompliance,&clone_info->fill,
1377 if (status == MagickFalse)
1379 clone_info=DestroyDrawInfo(clone_info);
1380 return(MagickFalse);
1384 if (clone_info->density != (
char *) NULL)
1392 flags=ParseGeometry(clone_info->density,&geometry_info);
1393 if ((flags & RhoValue) != 0)
1394 resolution.x=geometry_info.rho;
1395 resolution.y=resolution.x;
1396 if ((flags & SigmaValue) != 0)
1397 resolution.y=geometry_info.sigma;
1399 mid=(resolution.x/96.0)*ExpandAffine(&clone_info->affine)*
1400 clone_info->stroke_width/2.0;
1405 if (polygon_info != (PolygonInfo *) NULL)
1407 bounds=polygon_info->edges[0].bounds;
1408 for (i=1; i < (ssize_t) polygon_info->number_edges; i++)
1410 if (polygon_info->edges[i].bounds.x1 < (
double) bounds.x1)
1411 bounds.x1=polygon_info->edges[i].bounds.x1;
1412 if (polygon_info->edges[i].bounds.y1 < (
double) bounds.y1)
1413 bounds.y1=polygon_info->edges[i].bounds.y1;
1414 if (polygon_info->edges[i].bounds.x2 > (
double) bounds.x2)
1415 bounds.x2=polygon_info->edges[i].bounds.x2;
1416 if (polygon_info->edges[i].bounds.y2 > (
double) bounds.y2)
1417 bounds.y2=polygon_info->edges[i].bounds.y2;
1420 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double)
1421 image->columns ? (
double) image->columns-1 : bounds.x1;
1423 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double)
1424 image->rows ? (
double) image->rows-1 : bounds.y1;
1426 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double)
1427 image->columns ? (
double) image->columns-1 : bounds.x2;
1429 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double)
1430 image->rows ? (
double) image->rows-1 : bounds.y2;
1431 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
1433 if (polygon_info->edges[i].direction != 0)
1434 status=QueryColorCompliance(
"#f00",AllCompliance,&clone_info->stroke,
1437 status=QueryColorCompliance(
"#0f0",AllCompliance,&clone_info->stroke,
1439 if (status == MagickFalse)
1441 start.x=(double) (polygon_info->edges[i].bounds.x1-mid);
1442 start.y=(double) (polygon_info->edges[i].bounds.y1-mid);
1443 end.x=(double) (polygon_info->edges[i].bounds.x2+mid);
1444 end.y=(double) (polygon_info->edges[i].bounds.y2+mid);
1445 primitive_info[0].primitive=RectanglePrimitive;
1446 status&=(MagickStatusType) TraceRectangle(primitive_info,start,end);
1447 primitive_info[0].method=ReplaceMethod;
1448 coordinates=(ssize_t) primitive_info[0].coordinates;
1449 primitive_info[coordinates].primitive=UndefinedPrimitive;
1450 status=DrawPrimitive(image,clone_info,primitive_info,exception);
1451 if (status == MagickFalse)
1454 if (i < (ssize_t) polygon_info->number_edges)
1456 clone_info=DestroyDrawInfo(clone_info);
1457 return(status == 0 ? MagickFalse : MagickTrue);
1460 status=QueryColorCompliance(
"#00f",AllCompliance,&clone_info->stroke,
1462 if (status == MagickFalse)
1464 clone_info=DestroyDrawInfo(clone_info);
1465 return(MagickFalse);
1467 start.x=(double) (bounds.x1-mid);
1468 start.y=(double) (bounds.y1-mid);
1469 end.x=(double) (bounds.x2+mid);
1470 end.y=(double) (bounds.y2+mid);
1471 primitive_info[0].primitive=RectanglePrimitive;
1472 status&=(MagickStatusType) TraceRectangle(primitive_info,start,end);
1473 primitive_info[0].method=ReplaceMethod;
1474 coordinates=(ssize_t) primitive_info[0].coordinates;
1475 primitive_info[coordinates].primitive=UndefinedPrimitive;
1476 status=DrawPrimitive(image,clone_info,primitive_info,exception);
1477 clone_info=DestroyDrawInfo(clone_info);
1478 return(status == 0 ? MagickFalse : MagickTrue);
1510MagickExport MagickBooleanType DrawClipPath(Image *image,
1511 const DrawInfo *draw_info,
const char *
id,ExceptionInfo *exception)
1522 clip_path=GetImageArtifact(image,
id);
1523 if (clip_path == (
const char *) NULL)
1524 return(MagickFalse);
1525 clipping_mask=DrawClippingMask(image,draw_info,draw_info->clip_mask,clip_path,
1527 if (clipping_mask == (Image *) NULL)
1528 return(MagickFalse);
1529 status=SetImageMask(image,WritePixelMask,clipping_mask,exception);
1530 clipping_mask=DestroyImage(clipping_mask);
1566static Image *DrawClippingMask(Image *image,
const DrawInfo *draw_info,
1567 const char *
id,
const char *clip_path,ExceptionInfo *exception)
1582 assert(image != (Image *) NULL);
1583 assert(image->signature == MagickCoreSignature);
1584 assert(draw_info != (
const DrawInfo *) NULL);
1585 if (IsEventLogging() != MagickFalse)
1586 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1587 clip_mask=AcquireImage((
const ImageInfo *) NULL,exception);
1588 status=SetImageExtent(clip_mask,image->columns,image->rows,exception);
1589 if (status == MagickFalse)
1590 return(DestroyImage(clip_mask));
1591 status=SetImageMask(clip_mask,WritePixelMask,(Image *) NULL,exception);
1592 status=QueryColorCompliance(
"#0000",AllCompliance,
1593 &clip_mask->background_color,exception);
1594 clip_mask->background_color.alpha=(MagickRealType) TransparentAlpha;
1595 clip_mask->background_color.alpha_trait=BlendPixelTrait;
1596 status=SetImageBackgroundColor(clip_mask,exception);
1597 if (draw_info->debug != MagickFalse)
1598 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin clip-path %s",
1600 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
1601 (void) CloneString(&clone_info->primitive,clip_path);
1602 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1604 if (clone_info->clip_mask != (
char *) NULL)
1605 clone_info->clip_mask=DestroyString(clone_info->clip_mask);
1606 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1608 clone_info->stroke_width=0.0;
1609 clone_info->alpha=OpaqueAlpha;
1610 clone_info->clip_path=MagickTrue;
1611 status=RenderMVGContent(clip_mask,clone_info,0,exception);
1612 clone_info=DestroyDrawInfo(clone_info);
1613 separate_mask=SeparateImage(clip_mask,AlphaChannel,exception);
1614 if (separate_mask == (Image *) NULL)
1618 clip_mask=DestroyImage(clip_mask);
1619 clip_mask=separate_mask;
1620 status&=(MagickStatusType) NegateImage(clip_mask,MagickFalse,exception);
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)
1676 assert(image != (Image *) NULL);
1677 assert(image->signature == MagickCoreSignature);
1678 assert(draw_info != (
const DrawInfo *) NULL);
1679 if (IsEventLogging() != MagickFalse)
1680 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1681 composite_mask=AcquireImage((
const ImageInfo *) NULL,exception);
1682 status=SetImageExtent(composite_mask,image->columns,image->rows,exception);
1683 if (status == MagickFalse)
1684 return(DestroyImage(composite_mask));
1685 status=SetImageMask(composite_mask,CompositePixelMask,(Image *) NULL,
1687 status=QueryColorCompliance(
"#0000",AllCompliance,
1688 &composite_mask->background_color,exception);
1689 composite_mask->background_color.alpha=(MagickRealType) TransparentAlpha;
1690 composite_mask->background_color.alpha_trait=BlendPixelTrait;
1691 (void) SetImageBackgroundColor(composite_mask,exception);
1692 if (draw_info->debug != MagickFalse)
1693 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin mask-path %s",
1695 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
1696 (void) CloneString(&clone_info->primitive,mask_path);
1697 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1699 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1701 clone_info->stroke_width=0.0;
1702 clone_info->alpha=OpaqueAlpha;
1703 status=RenderMVGContent(composite_mask,clone_info,0,exception);
1704 clone_info=DestroyDrawInfo(clone_info);
1705 separate_mask=SeparateImage(composite_mask,AlphaChannel,exception);
1706 if (separate_mask != (Image *) NULL)
1708 composite_mask=DestroyImage(composite_mask);
1709 composite_mask=separate_mask;
1710 status=NegateImage(composite_mask,MagickFalse,exception);
1711 if (status == MagickFalse)
1712 composite_mask=DestroyImage(composite_mask);
1714 if (status == MagickFalse)
1715 composite_mask=DestroyImage(composite_mask);
1716 if (draw_info->debug != MagickFalse)
1717 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end mask-path");
1718 return(composite_mask);
1752static MagickBooleanType DrawDashPolygon(
const DrawInfo *draw_info,
1753 const PrimitiveInfo *primitive_info,Image *image,ExceptionInfo *exception)
1783 assert(draw_info != (
const DrawInfo *) NULL);
1784 if (draw_info->debug != MagickFalse)
1785 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1786 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1787 number_vertices=(size_t) i;
1788 dash_polygon=(PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1789 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1790 if (dash_polygon == (PrimitiveInfo *) NULL)
1792 (void) ThrowMagickException(exception,GetMagickModule(),
1793 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1794 return(MagickFalse);
1796 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1797 sizeof(*dash_polygon));
1798 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
1799 clone_info->miterlimit=0;
1800 dash_polygon[0]=primitive_info[0];
1801 dash_polygon[0].closed_subpath=MagickFalse;
1802 scale=ExpandAffine(&draw_info->affine);
1803 length=scale*draw_info->dash_pattern[0];
1804 offset=fabs(draw_info->dash_offset) >= MagickEpsilon ?
1805 scale*draw_info->dash_offset : 0.0;
1807 for (n=0; offset > 0.0; j=0)
1809 if (draw_info->dash_pattern[n] <= 0.0)
1811 length=scale*(draw_info->dash_pattern[n]+(n == 0 ? -0.5 : 0.5));
1812 if (offset > length)
1816 length=scale*draw_info->dash_pattern[n];
1819 if (offset < length)
1831 for (i=1; (i < (ssize_t) number_vertices) && (length >= 0.0); i++)
1833 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
1834 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
1835 maximum_length=hypot(dx,dy);
1836 if (maximum_length > (
double) (MaxBezierCoordinates >> 2))
1838 if (fabs(length) < MagickEpsilon)
1840 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1842 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1844 length=scale*draw_info->dash_pattern[n];
1846 for (total_length=0.0; (length >= 0.0) && (maximum_length >= (total_length+length)); )
1848 total_length+=length;
1849 if ((n & 0x01) != 0)
1851 dash_polygon[0]=primitive_info[0];
1852 dash_polygon[0].closed_subpath=MagickFalse;
1853 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1854 total_length*MagickSafeReciprocal(maximum_length));
1855 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1856 total_length*MagickSafeReciprocal(maximum_length));
1861 if ((j+1) > (ssize_t) number_vertices)
1863 dash_polygon[j]=primitive_info[i-1];
1864 dash_polygon[j].closed_subpath=MagickFalse;
1865 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1866 total_length*MagickSafeReciprocal(maximum_length));
1867 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1868 total_length*MagickSafeReciprocal(maximum_length));
1869 dash_polygon[j].coordinates=1;
1871 dash_polygon[0].coordinates=(size_t) j;
1872 dash_polygon[j].primitive=UndefinedPrimitive;
1873 status&=(MagickStatusType) DrawStrokePolygon(image,clone_info,
1874 dash_polygon,exception);
1875 if (status == MagickFalse)
1878 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1880 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1882 length=scale*draw_info->dash_pattern[n];
1884 length-=(maximum_length-total_length);
1885 if ((n & 0x01) != 0)
1887 dash_polygon[j]=primitive_info[i];
1888 dash_polygon[j].coordinates=1;
1891 if ((status != MagickFalse) && (total_length < maximum_length) &&
1892 ((n & 0x01) == 0) && (j > 1))
1894 dash_polygon[j]=primitive_info[i-1];
1895 dash_polygon[j].closed_subpath=MagickFalse;
1896 dash_polygon[j].point.x+=MagickEpsilon;
1897 dash_polygon[j].point.y+=MagickEpsilon;
1898 dash_polygon[j].coordinates=1;
1900 dash_polygon[0].coordinates=(size_t) j;
1901 dash_polygon[j].primitive=UndefinedPrimitive;
1902 status&=(MagickStatusType) DrawStrokePolygon(image,clone_info,
1903 dash_polygon,exception);
1905 dash_polygon=(PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1906 clone_info=DestroyDrawInfo(clone_info);
1907 if (draw_info->debug != MagickFalse)
1908 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1909 return(status != 0 ? MagickTrue : MagickFalse);
1940static inline double GetStopColorOffset(
const GradientInfo *gradient,
1941 const ssize_t x,
const ssize_t y)
1943 switch (gradient->type)
1945 case UndefinedGradient:
1946 case LinearGradient:
1961 gradient_vector=(&gradient->gradient_vector);
1962 p.x=gradient_vector->x2-gradient_vector->x1;
1963 p.y=gradient_vector->y2-gradient_vector->y1;
1964 q.x=(double) x-gradient_vector->x1;
1965 q.y=(double) y-gradient_vector->y1;
1966 length=sqrt(q.x*q.x+q.y*q.y);
1967 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1968 gamma=MagickSafeReciprocal(gamma);
1969 scale=p.x*q.x+p.y*q.y;
1970 offset=gamma*scale*length;
1973 case RadialGradient:
1978 if (gradient->spread == RepeatSpread)
1980 v.x=(double) x-gradient->center.x;
1981 v.y=(double) y-gradient->center.y;
1982 return(sqrt(v.x*v.x+v.y*v.y));
1984 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1985 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1986 gradient->angle))))*MagickSafeReciprocal(gradient->radii.x);
1987 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1988 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1989 gradient->angle))))*MagickSafeReciprocal(gradient->radii.y);
1990 return(sqrt(v.x*v.x+v.y*v.y));
1996static int StopInfoCompare(
const void *x,
const void *y)
2002 stop_1=(StopInfo *) x;
2003 stop_2=(StopInfo *) y;
2004 if (stop_1->offset > stop_2->offset)
2006 if (fabs(stop_1->offset-stop_2->offset) <= MagickEpsilon)
2011MagickExport MagickBooleanType DrawGradientImage(Image *image,
2012 const DrawInfo *draw_info,ExceptionInfo *exception)
2047 assert(image != (Image *) NULL);
2048 assert(image->signature == MagickCoreSignature);
2049 assert(draw_info != (
const DrawInfo *) NULL);
2050 if (IsEventLogging() != MagickFalse)
2051 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2052 gradient=(&draw_info->gradient);
2053 qsort(gradient->stops,gradient->number_stops,
sizeof(StopInfo),
2055 gradient_vector=(&gradient->gradient_vector);
2056 point.x=gradient_vector->x2-gradient_vector->x1;
2057 point.y=gradient_vector->y2-gradient_vector->y1;
2058 length=sqrt(point.x*point.x+point.y*point.y);
2059 bounding_box=gradient->bounding_box;
2061 GetPixelInfo(image,&zero);
2062 image_view=AcquireAuthenticCacheView(image,exception);
2063 height=(size_t) (bounding_box.y+(ssize_t) bounding_box.height);
2064#if defined(MAGICKCORE_OPENMP_SUPPORT)
2065 #pragma omp parallel for schedule(static) shared(status) \
2066 magick_number_threads(image,image,height,1)
2068 for (y=bounding_box.y; y < (ssize_t) height; y++)
2089 if (status == MagickFalse)
2091 q=GetCacheViewAuthenticPixels(image_view,bounding_box.x,y,(
size_t)
2092 bounding_box.width,1,exception);
2093 if (q == (Quantum *) NULL)
2100 offset=GetStopColorOffset(gradient,0,y);
2101 if (gradient->type != RadialGradient)
2102 offset*=MagickSafeReciprocal(length);
2103 width=(size_t) (bounding_box.x+(ssize_t) bounding_box.width);
2104 for (x=bounding_box.x; x < (ssize_t) width; x++)
2106 GetPixelInfoPixel(image,q,&pixel);
2107 switch (gradient->spread)
2109 case UndefinedSpread:
2112 if ((x != CastDoubleToSsizeT(ceil(gradient_vector->x1-0.5))) ||
2113 (y != CastDoubleToSsizeT(ceil(gradient_vector->y1-0.5))))
2115 offset=GetStopColorOffset(gradient,x,y);
2116 if (gradient->type != RadialGradient)
2117 offset*=MagickSafeReciprocal(length);
2119 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2120 if (offset < gradient->stops[i].offset)
2122 if ((offset < 0.0) || (i == 0))
2123 composite=gradient->stops[0].color;
2125 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2126 composite=gradient->stops[gradient->number_stops-1].color;
2131 alpha=(offset-gradient->stops[i].offset)/
2132 (gradient->stops[j].offset-gradient->stops[i].offset);
2133 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2134 &gradient->stops[j].color,alpha,&composite);
2140 if ((x != CastDoubleToSsizeT(ceil(gradient_vector->x1-0.5))) ||
2141 (y != CastDoubleToSsizeT(ceil(gradient_vector->y1-0.5))))
2143 offset=GetStopColorOffset(gradient,x,y);
2144 if (gradient->type != RadialGradient)
2145 offset*=MagickSafeReciprocal(length);
2149 if ((ssize_t) fmod(offset,2.0) == 0)
2150 offset=fmod(offset,1.0);
2152 offset=1.0-fmod(offset,1.0);
2153 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2154 if (offset < gradient->stops[i].offset)
2157 composite=gradient->stops[0].color;
2159 if (i == (ssize_t) gradient->number_stops)
2160 composite=gradient->stops[gradient->number_stops-1].color;
2165 alpha=(offset-gradient->stops[i].offset)/
2166 (gradient->stops[j].offset-gradient->stops[i].offset);
2167 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2168 &gradient->stops[j].color,alpha,&composite);
2180 antialias=MagickFalse;
2182 if ((x != CastDoubleToSsizeT(ceil(gradient_vector->x1-0.5))) ||
2183 (y != CastDoubleToSsizeT(ceil(gradient_vector->y1-0.5))))
2185 offset=GetStopColorOffset(gradient,x,y);
2186 if (gradient->type == LinearGradient)
2188 repeat=fmod(offset,length);
2190 repeat=length-fmod(-repeat,length);
2192 repeat=fmod(offset,length);
2193 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2194 MagickTrue : MagickFalse;
2195 offset=MagickSafeReciprocal(length)*repeat;
2199 repeat=fmod(offset,gradient->radius);
2201 repeat=gradient->radius-fmod(-repeat,gradient->radius);
2203 repeat=fmod(offset,gradient->radius);
2204 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2206 offset=repeat*MagickSafeReciprocal(gradient->radius);
2209 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2210 if (offset < gradient->stops[i].offset)
2213 composite=gradient->stops[0].color;
2215 if (i == (ssize_t) gradient->number_stops)
2216 composite=gradient->stops[gradient->number_stops-1].color;
2221 alpha=(offset-gradient->stops[i].offset)/
2222 (gradient->stops[j].offset-gradient->stops[i].offset);
2223 if (antialias != MagickFalse)
2225 if (gradient->type == LinearGradient)
2226 alpha=length-repeat;
2228 alpha=gradient->radius-repeat;
2230 j=(ssize_t) gradient->number_stops-1L;
2232 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2233 &gradient->stops[j].color,alpha,&composite);
2238 CompositePixelInfoOver(&composite,composite.alpha,&pixel,pixel.alpha,
2240 SetPixelViaPixelInfo(image,&pixel,q);
2241 q+=(ptrdiff_t) GetPixelChannels(image);
2243 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2246 image_view=DestroyCacheView(image_view);
2282static MagickBooleanType CheckPrimitiveExtent(MVGInfo *mvg_info,
2286 **text = (
char **) NULL;
2300 quantum=
sizeof(**mvg_info->primitive_info);
2301 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*(double) quantum;
2302 if (extent <= (
double) *mvg_info->extent)
2304 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2305 return(MagickFalse);
2306 if (mvg_info->offset > 0)
2308 text=(
char **) AcquireQuantumMemory((
size_t) mvg_info->offset,
2310 if (text == (
char **) NULL)
2311 return(MagickFalse);
2312 for (i=0; i < mvg_info->offset; i++)
2313 text[i]=(*mvg_info->primitive_info)[i].text;
2315 *mvg_info->primitive_info=(PrimitiveInfo *) ResizeQuantumMemory(
2316 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2317 if (*mvg_info->primitive_info != (PrimitiveInfo *) NULL)
2319 if (text != (
char **) NULL)
2320 text=(
char **) RelinquishMagickMemory(text);
2321 *mvg_info->extent=(size_t) extent;
2322 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2324 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2325 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2332 if (text != (
char **) NULL)
2334 for (i=0; i < mvg_info->offset; i++)
2335 if (text[i] != (
char *) NULL)
2336 text[i]=DestroyString(text[i]);
2337 text=(
char **) RelinquishMagickMemory(text);
2339 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2340 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2341 *mvg_info->primitive_info=(PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2342 (PrimitiveExtentPad+1)*quantum);
2343 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2345 *mvg_info->extent=1;
2347 return(MagickFalse);
2350static inline double GetDrawValue(
const char *magick_restrict
string,
2351 char **magick_restrict sentinel)
2354 **magick_restrict q;
2360 value=InterpretLocaleValue(
string,q);
2365static int MVGMacroCompare(
const void *target,
const void *source)
2371 p=(
const char *) target;
2372 q=(
const char *) source;
2373 return(strcmp(p,q));
2376static SplayTreeInfo *GetMVGMacros(
const char *primitive)
2394 if (primitive == (
const char *) NULL)
2395 return((SplayTreeInfo *) NULL);
2396 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2397 RelinquishMagickMemory);
2398 macro=AcquireString(primitive);
2399 token=AcquireString(primitive);
2400 extent=strlen(token)+MagickPathExtent;
2401 for (q=primitive; *q !=
'\0'; )
2403 if (GetNextToken(q,&q,extent,token) < 1)
2407 if (LocaleCompare(
"push",token) == 0)
2413 (void) GetNextToken(q,&q,extent,token);
2417 name[MagickPathExtent];
2428 (void) GetNextToken(q,&q,extent,token);
2431 (void) CopyMagickString(name,token,MagickPathExtent);
2433 for (p=q; *p !=
'\0'; )
2435 if (GetNextToken(p,&p,extent,token) < 1)
2439 if (LocaleCompare(token,
"pop") == 0)
2441 end=p-strlen(token)-1;
2444 if (LocaleCompare(token,
"push") == 0)
2446 if ((n == 0) && (end >= start))
2449 length=(size_t) (end-start);
2454 (void) GetNextToken(p,&p,extent,token);
2457 (void) CopyMagickString(macro,start,length);
2458 (void) AddValueToSplayTree(macros,ConstantString(name),
2459 ConstantString(macro));
2467 token=DestroyString(token);
2468 macro=DestroyString(macro);
2472static inline MagickBooleanType IsPoint(
const char *point)
2480 value=GetDrawValue(point,&p);
2481 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2485static inline MagickBooleanType TracePoint(PrimitiveInfo *primitive_info,
2486 const PointInfo point)
2488 primitive_info->coordinates=1;
2489 primitive_info->closed_subpath=MagickFalse;
2490 primitive_info->point=point;
2494static MagickBooleanType RenderMVGContent(Image *image,
2495 const DrawInfo *draw_info,
const size_t depth,ExceptionInfo *exception)
2497#define RenderImageTag "Render/Image"
2504 keyword[MagickPathExtent],
2505 geometry[MagickPathExtent],
2507 pattern[MagickPathExtent],
2570 assert(image != (Image *) NULL);
2571 assert(image->signature == MagickCoreSignature);
2572 assert(draw_info != (DrawInfo *) NULL);
2573 assert(draw_info->signature == MagickCoreSignature);
2574 if (IsEventLogging() != MagickFalse)
2575 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2576 if (depth > MagickMaxRecursionDepth)
2577 ThrowBinaryException(DrawError,
"VectorGraphicsNestedTooDeeply",
2579 if ((draw_info->primitive == (
char *) NULL) ||
2580 (*draw_info->primitive ==
'\0'))
2581 return(MagickFalse);
2582 if (draw_info->debug != MagickFalse)
2583 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2584 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2585 return(MagickFalse);
2586 if ((image->alpha_trait & BlendPixelTrait) == 0)
2588 status=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
2589 if (status == MagickFalse)
2590 return(MagickFalse);
2592 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2593 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2594 primitive=FileToString(draw_info->primitive,~0UL,exception);
2596 primitive=AcquireString(draw_info->primitive);
2597 if (primitive == (
char *) NULL)
2598 return(MagickFalse);
2599 primitive_extent=(double) strlen(primitive);
2600 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2603 stops=(StopInfo *) NULL;
2607 graphic_context=(DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2608 if (graphic_context == (DrawInfo **) NULL)
2610 primitive=DestroyString(primitive);
2611 ThrowBinaryException(ResourceLimitError,
"MemoryAllocationFailed",
2614 number_points=(size_t) PrimitiveExtentPad;
2615 primitive_info=(PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2616 (number_points+1),
sizeof(*primitive_info));
2617 if (primitive_info == (PrimitiveInfo *) NULL)
2619 primitive=DestroyString(primitive);
2620 for ( ; n >= 0; n--)
2621 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2622 graphic_context=(DrawInfo **) RelinquishMagickMemory(graphic_context);
2623 ThrowBinaryException(ResourceLimitError,
"MemoryAllocationFailed",
2626 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2627 sizeof(*primitive_info));
2628 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2629 mvg_info.primitive_info=(&primitive_info);
2630 mvg_info.extent=(&number_points);
2631 mvg_info.exception=exception;
2632 graphic_context[n]=CloneDrawInfo((ImageInfo *) NULL,draw_info);
2633 graphic_context[n]->viewbox=image->page;
2634 if ((image->page.width == 0) || (image->page.height == 0))
2636 graphic_context[n]->viewbox.width=image->columns;
2637 graphic_context[n]->viewbox.height=image->rows;
2639 token=AcquireString(primitive);
2640 extent=strlen(token)+MagickPathExtent;
2644 macros=GetMVGMacros(primitive);
2646 for (q=primitive; *q !=
'\0'; )
2651 if (GetNextToken(q,&q,MagickPathExtent,keyword) < 1)
2653 if (*keyword ==
'\0')
2655 if (*keyword ==
'#')
2660 while ((*q !=
'\n') && (*q !=
'\0'))
2664 p=q-strlen(keyword)-1;
2665 primitive_type=UndefinedPrimitive;
2666 current=graphic_context[n]->affine;
2667 GetAffineMatrix(&affine);
2676 if (LocaleCompare(
"affine",keyword) == 0)
2678 (void) GetNextToken(q,&q,extent,token);
2679 affine.sx=GetDrawValue(token,&next_token);
2680 if (token == next_token)
2681 ThrowPointExpectedException(token,exception);
2682 (void) GetNextToken(q,&q,extent,token);
2684 (void) GetNextToken(q,&q,extent,token);
2685 affine.ry=GetDrawValue(token,&next_token);
2686 if (token == next_token)
2687 ThrowPointExpectedException(token,exception);
2688 (void) GetNextToken(q,&q,extent,token);
2690 (void) GetNextToken(q,&q,extent,token);
2691 affine.rx=GetDrawValue(token,&next_token);
2692 if (token == next_token)
2693 ThrowPointExpectedException(token,exception);
2694 (void) GetNextToken(q,&q,extent,token);
2696 (void) GetNextToken(q,&q,extent,token);
2697 affine.sy=GetDrawValue(token,&next_token);
2698 if (token == next_token)
2699 ThrowPointExpectedException(token,exception);
2700 (void) GetNextToken(q,&q,extent,token);
2702 (void) GetNextToken(q,&q,extent,token);
2703 affine.tx=GetDrawValue(token,&next_token);
2704 if (token == next_token)
2705 ThrowPointExpectedException(token,exception);
2706 (void) GetNextToken(q,&q,extent,token);
2708 (void) GetNextToken(q,&q,extent,token);
2709 affine.ty=GetDrawValue(token,&next_token);
2710 if (token == next_token)
2711 ThrowPointExpectedException(token,exception);
2714 if (LocaleCompare(
"alpha",keyword) == 0)
2716 primitive_type=AlphaPrimitive;
2719 if (LocaleCompare(
"arc",keyword) == 0)
2721 primitive_type=ArcPrimitive;
2730 if (LocaleCompare(
"bezier",keyword) == 0)
2732 primitive_type=BezierPrimitive;
2735 if (LocaleCompare(
"border-color",keyword) == 0)
2737 (void) GetNextToken(q,&q,extent,token);
2738 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
2739 &graphic_context[n]->border_color,exception);
2748 if (LocaleCompare(
"class",keyword) == 0)
2753 (void) GetNextToken(q,&q,extent,token);
2754 if ((*token ==
'\0') || (*token ==
';'))
2762 for (i=0; i <= n; i++)
2763 if (LocaleCompare(token,graphic_context[i]->
id) == 0)
2767 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2768 if ((graphic_context[n]->render != MagickFalse) &&
2769 (mvg_class != (
const char *) NULL) && (p > primitive))
2780 (void) CloneString(&graphic_context[n]->
id,token);
2781 offset=(ssize_t) (p-primitive);
2782 elements=AcquireString(primitive);
2783 elements[offset]=
'\0';
2784 (void) ConcatenateString(&elements,mvg_class);
2785 (void) ConcatenateString(&elements,
"\n");
2786 (void) ConcatenateString(&elements,q);
2787 primitive=DestroyString(primitive);
2793 if (LocaleCompare(
"clip-path",keyword) == 0)
2801 (void) GetNextToken(q,&q,extent,token);
2807 (void) CloneString(&graphic_context[n]->clip_mask,token);
2808 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2809 if (clip_path != (
const char *) NULL)
2811 if (graphic_context[n]->clipping_mask != (Image *) NULL)
2812 graphic_context[n]->clipping_mask=
2813 DestroyImage(graphic_context[n]->clipping_mask);
2814 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2815 graphic_context[n],token,clip_path,exception);
2816 if (graphic_context[n]->compliance != SVGCompliance)
2818 clip_path=(
const char *) GetValueFromSplayTree(macros,
2819 graphic_context[n]->clip_mask);
2820 if (clip_path != (
const char *) NULL)
2821 (void) SetImageArtifact(image,
2822 graphic_context[n]->clip_mask,clip_path);
2823 status&=(MagickStatusType) DrawClipPath(image,
2824 graphic_context[n],graphic_context[n]->clip_mask,
2830 if (LocaleCompare(
"clip-rule",keyword) == 0)
2835 (void) GetNextToken(q,&q,extent,token);
2836 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2838 if (fill_rule == -1)
2843 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2846 if (LocaleCompare(
"clip-units",keyword) == 0)
2851 (void) GetNextToken(q,&q,extent,token);
2852 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2854 if (clip_units == -1)
2859 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2860 if (clip_units == ObjectBoundingBox)
2862 GetAffineMatrix(¤t);
2863 affine.sx=draw_info->bounds.x2;
2864 affine.sy=draw_info->bounds.y2;
2865 affine.tx=draw_info->bounds.x1;
2866 affine.ty=draw_info->bounds.y1;
2871 if (LocaleCompare(
"circle",keyword) == 0)
2873 primitive_type=CirclePrimitive;
2876 if (LocaleCompare(
"color",keyword) == 0)
2878 primitive_type=ColorPrimitive;
2881 if (LocaleCompare(
"compliance",keyword) == 0)
2887 (void) GetNextToken(q,&q,extent,token);
2888 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2889 MagickComplianceOptions,MagickFalse,token);
2892 if (LocaleCompare(
"currentColor",keyword) == 0)
2894 (void) GetNextToken(q,&q,extent,token);
2903 if (LocaleCompare(
"decorate",keyword) == 0)
2908 (void) GetNextToken(q,&q,extent,token);
2909 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2916 graphic_context[n]->decorate=(DecorationType) decorate;
2919 if (LocaleCompare(
"density",keyword) == 0)
2921 (void) GetNextToken(q,&q,extent,token);
2922 (void) CloneString(&graphic_context[n]->density,token);
2925 if (LocaleCompare(
"direction",keyword) == 0)
2930 (void) GetNextToken(q,&q,extent,token);
2931 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2933 if (direction == -1)
2936 graphic_context[n]->direction=(DirectionType) direction;
2945 if (LocaleCompare(
"ellipse",keyword) == 0)
2947 primitive_type=EllipsePrimitive;
2950 if (LocaleCompare(
"encoding",keyword) == 0)
2952 (void) GetNextToken(q,&q,extent,token);
2953 (void) CloneString(&graphic_context[n]->encoding,token);
2962 if (LocaleCompare(
"fill",keyword) == 0)
2967 (void) GetNextToken(q,&q,extent,token);
2968 if (graphic_context[n]->clip_path != MagickFalse)
2970 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2971 if (mvg_class != (
const char *) NULL)
2973 (void) DrawPatternPath(image,draw_info,mvg_class,
2974 &graphic_context[n]->fill_pattern,exception);
2977 (void) FormatLocaleString(pattern,MagickPathExtent,
"%s",token);
2978 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2980 (void) DrawPatternPath(image,draw_info,token,
2981 &graphic_context[n]->fill_pattern,exception);
2984 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
2985 &graphic_context[n]->fill,exception);
2986 if (graphic_context[n]->fill_alpha != (
double) OpaqueAlpha)
2987 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
2990 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2995 (void) GetNextToken(q,&q,extent,token);
2996 if (graphic_context[n]->clip_path != MagickFalse)
2998 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2999 opacity=MagickMin(MagickMax(factor*
3000 GetDrawValue(token,&next_token),0.0),1.0);
3001 if (token == next_token)
3002 ThrowPointExpectedException(token,exception);
3003 if (graphic_context[n]->compliance == SVGCompliance)
3004 graphic_context[n]->fill_alpha*=opacity;
3006 graphic_context[n]->fill_alpha=(double) QuantumRange*opacity;
3007 if (graphic_context[n]->fill.alpha != (
double) TransparentAlpha)
3008 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
3010 graphic_context[n]->fill.alpha=(MagickRealType)
3011 ClampToQuantum((
double) QuantumRange*opacity);
3012 graphic_context[n]->fill.alpha_trait=BlendPixelTrait;
3015 if (LocaleCompare(
"fill-rule",keyword) == 0)
3020 (void) GetNextToken(q,&q,extent,token);
3021 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
3023 if (fill_rule == -1)
3028 graphic_context[n]->fill_rule=(FillRule) fill_rule;
3031 if (LocaleCompare(
"font",keyword) == 0)
3033 (void) GetNextToken(q,&q,extent,token);
3034 (void) CloneString(&graphic_context[n]->font,token);
3035 if (LocaleCompare(
"none",token) == 0)
3036 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
3037 graphic_context[n]->font);
3040 if (LocaleCompare(
"font-family",keyword) == 0)
3042 (void) GetNextToken(q,&q,extent,token);
3043 (void) CloneString(&graphic_context[n]->family,token);
3046 if (LocaleCompare(
"font-size",keyword) == 0)
3048 (void) GetNextToken(q,&q,extent,token);
3049 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3050 if (token == next_token)
3051 ThrowPointExpectedException(token,exception);
3054 if (LocaleCompare(
"font-stretch",keyword) == 0)
3059 (void) GetNextToken(q,&q,extent,token);
3060 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3066 graphic_context[n]->stretch=(StretchType) stretch;
3069 if (LocaleCompare(
"font-style",keyword) == 0)
3074 (void) GetNextToken(q,&q,extent,token);
3075 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3081 graphic_context[n]->style=(StyleType) style;
3084 if (LocaleCompare(
"font-weight",keyword) == 0)
3089 (void) GetNextToken(q,&q,extent,token);
3090 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3092 weight=(ssize_t) StringToUnsignedLong(token);
3093 graphic_context[n]->weight=(size_t) weight;
3102 if (LocaleCompare(
"gradient-units",keyword) == 0)
3104 (void) GetNextToken(q,&q,extent,token);
3107 if (LocaleCompare(
"gravity",keyword) == 0)
3112 (void) GetNextToken(q,&q,extent,token);
3113 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3119 graphic_context[n]->gravity=(GravityType) gravity;
3128 if (LocaleCompare(
"image",keyword) == 0)
3133 primitive_type=ImagePrimitive;
3134 (void) GetNextToken(q,&q,extent,token);
3135 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3141 graphic_context[n]->compose=(CompositeOperator) compose;
3144 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3146 (void) GetNextToken(q,&q,extent,token);
3147 graphic_context[n]->interline_spacing=GetDrawValue(token,
3149 if (token == next_token)
3150 ThrowPointExpectedException(token,exception);
3153 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3155 (void) GetNextToken(q,&q,extent,token);
3156 graphic_context[n]->interword_spacing=GetDrawValue(token,
3158 if (token == next_token)
3159 ThrowPointExpectedException(token,exception);
3168 if (LocaleCompare(
"kerning",keyword) == 0)
3170 (void) GetNextToken(q,&q,extent,token);
3171 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3172 if (token == next_token)
3173 ThrowPointExpectedException(token,exception);
3182 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3184 (void) GetNextToken(q,&q,extent,token);
3185 if (IsPoint(token) == MagickFalse)
3187 clone_info=CloneDrawInfo((ImageInfo *) NULL,graphic_context[n]);
3188 clone_info->text=AcquireString(
" ");
3189 status&=(MagickStatusType) GetTypeMetrics(image,clone_info,&metrics,
3191 graphic_context[n]->kerning=metrics.width*
3192 GetDrawValue(token,&next_token);
3193 clone_info=DestroyDrawInfo(clone_info);
3194 if (token == next_token)
3195 ThrowPointExpectedException(token,exception);
3198 if (LocaleCompare(
"line",keyword) == 0)
3200 primitive_type=LinePrimitive;
3209 if (LocaleCompare(
"mask",keyword) == 0)
3217 (void) GetNextToken(q,&q,extent,token);
3218 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3219 if (mask_path != (
const char *) NULL)
3221 if (graphic_context[n]->composite_mask != (Image *) NULL)
3222 graphic_context[n]->composite_mask=
3223 DestroyImage(graphic_context[n]->composite_mask);
3224 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3225 graphic_context[n],token,mask_path,exception);
3226 if (graphic_context[n]->compliance != SVGCompliance)
3227 status=SetImageMask(image,CompositePixelMask,
3228 graphic_context[n]->composite_mask,exception);
3238 if (LocaleCompare(
"offset",keyword) == 0)
3240 (void) GetNextToken(q,&q,extent,token);
3243 if (LocaleCompare(
"opacity",keyword) == 0)
3248 (void) GetNextToken(q,&q,extent,token);
3249 if (graphic_context[n]->clip_path != MagickFalse)
3251 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3252 opacity=MagickMin(MagickMax(factor*
3253 GetDrawValue(token,&next_token),0.0),1.0);
3254 if (token == next_token)
3255 ThrowPointExpectedException(token,exception);
3256 if (graphic_context[n]->compliance == SVGCompliance)
3258 graphic_context[n]->fill_alpha*=opacity;
3259 graphic_context[n]->stroke_alpha*=opacity;
3263 graphic_context[n]->fill_alpha=(double) QuantumRange*opacity;
3264 graphic_context[n]->stroke_alpha=(double) QuantumRange*opacity;
3266 if (graphic_context[n]->fill.alpha != (
double) TransparentAlpha)
3268 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
3269 graphic_context[n]->stroke.alpha=graphic_context[n]->stroke_alpha;
3273 graphic_context[n]->fill.alpha=(MagickRealType)
3274 ClampToQuantum((
double) QuantumRange*opacity);
3275 graphic_context[n]->stroke.alpha=(MagickRealType)
3276 ClampToQuantum((
double) QuantumRange*opacity);
3278 graphic_context[n]->fill.alpha_trait=BlendPixelTrait;
3279 graphic_context[n]->stroke.alpha_trait=BlendPixelTrait;
3288 if (LocaleCompare(
"path",keyword) == 0)
3290 primitive_type=PathPrimitive;
3293 if (LocaleCompare(
"point",keyword) == 0)
3295 primitive_type=PointPrimitive;
3298 if (LocaleCompare(
"polyline",keyword) == 0)
3300 primitive_type=PolylinePrimitive;
3303 if (LocaleCompare(
"polygon",keyword) == 0)
3305 primitive_type=PolygonPrimitive;
3308 if (LocaleCompare(
"pop",keyword) == 0)
3310 if (GetNextToken(q,&q,extent,token) < 1)
3312 if (LocaleCompare(
"class",token) == 0)
3314 if (LocaleCompare(
"clip-path",token) == 0)
3316 if (LocaleCompare(
"defs",token) == 0)
3319 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3323 if (LocaleCompare(
"gradient",token) == 0)
3325 if (LocaleCompare(
"graphic-context",token) == 0)
3329 (void) ThrowMagickException(exception,GetMagickModule(),
3330 DrawError,
"UnbalancedGraphicContextPushPop",
"`%s'",token);
3335 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3336 (graphic_context[n]->compliance != SVGCompliance))
3337 if (LocaleCompare(graphic_context[n]->clip_mask,
3338 graphic_context[n-1]->clip_mask) != 0)
3339 status=SetImageMask(image,WritePixelMask,(Image *) NULL,
3341 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3345 if (LocaleCompare(
"mask",token) == 0)
3347 if (LocaleCompare(
"pattern",token) == 0)
3349 if (LocaleCompare(
"symbol",token) == 0)
3352 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3359 if (LocaleCompare(
"push",keyword) == 0)
3361 if (GetNextToken(q,&q,extent,token) < 1)
3363 if (LocaleCompare(
"class",token) == 0)
3368 for (p=q; *q !=
'\0'; )
3370 if (GetNextToken(q,&q,extent,token) < 1)
3372 if (LocaleCompare(token,
"pop") != 0)
3374 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3375 if (LocaleCompare(token,
"class") != 0)
3379 (void) GetNextToken(q,&q,extent,token);
3382 if (LocaleCompare(
"clip-path",token) == 0)
3384 (void) GetNextToken(q,&q,extent,token);
3385 for (p=q; *q !=
'\0'; )
3387 if (GetNextToken(q,&q,extent,token) < 1)
3389 if (LocaleCompare(token,
"pop") != 0)
3391 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3392 if (LocaleCompare(token,
"clip-path") != 0)
3396 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3401 (void) GetNextToken(q,&q,extent,token);
3404 if (LocaleCompare(
"defs",token) == 0)
3407 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3411 if (LocaleCompare(
"gradient",token) == 0)
3414 key[2*MagickPathExtent],
3415 name[MagickPathExtent],
3416 type[MagickPathExtent];
3421 (void) GetNextToken(q,&q,extent,token);
3422 (void) CopyMagickString(name,token,MagickPathExtent);
3423 (void) GetNextToken(q,&q,extent,token);
3424 (void) CopyMagickString(type,token,MagickPathExtent);
3425 (void) GetNextToken(q,&q,extent,token);
3426 segment.x1=GetDrawValue(token,&next_token);
3427 if (token == next_token)
3428 ThrowPointExpectedException(token,exception);
3429 (void) GetNextToken(q,&q,extent,token);
3431 (void) GetNextToken(q,&q,extent,token);
3432 segment.y1=GetDrawValue(token,&next_token);
3433 if (token == next_token)
3434 ThrowPointExpectedException(token,exception);
3435 (void) GetNextToken(q,&q,extent,token);
3437 (void) GetNextToken(q,&q,extent,token);
3438 segment.x2=GetDrawValue(token,&next_token);
3439 if (token == next_token)
3440 ThrowPointExpectedException(token,exception);
3441 (void) GetNextToken(q,&q,extent,token);
3443 (void) GetNextToken(q,&q,extent,token);
3444 segment.y2=GetDrawValue(token,&next_token);
3445 if (token == next_token)
3446 ThrowPointExpectedException(token,exception);
3447 if (LocaleCompare(type,
"radial") == 0)
3449 (void) GetNextToken(q,&q,extent,token);
3451 (void) GetNextToken(q,&q,extent,token);
3453 for (p=q; *q !=
'\0'; )
3455 if (GetNextToken(q,&q,extent,token) < 1)
3457 if (LocaleCompare(token,
"pop") != 0)
3459 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3460 if (LocaleCompare(token,
"gradient") != 0)
3464 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3465 (p == (
char *) NULL) || ((q-4) < p))
3470 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3471 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3472 graphic_context[n]->affine.ry*segment.y1+
3473 graphic_context[n]->affine.tx;
3474 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3475 graphic_context[n]->affine.sy*segment.y1+
3476 graphic_context[n]->affine.ty;
3477 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3478 graphic_context[n]->affine.ry*segment.y2+
3479 graphic_context[n]->affine.tx;
3480 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3481 graphic_context[n]->affine.sy*segment.y2+
3482 graphic_context[n]->affine.ty;
3483 (void) FormatLocaleString(key,MagickPathExtent,
"%s",name);
3484 (void) SetImageArtifact(image,key,token);
3485 (void) FormatLocaleString(key,MagickPathExtent,
"%s-type",name);
3486 (void) SetImageArtifact(image,key,type);
3487 (void) FormatLocaleString(key,MagickPathExtent,
"%s-geometry",
3489 (void) FormatLocaleString(geometry,MagickPathExtent,
3490 "%gx%g%+.15g%+.15g",
3491 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3492 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3493 bounds.x1,bounds.y1);
3494 (void) SetImageArtifact(image,key,geometry);
3495 (void) GetNextToken(q,&q,extent,token);
3498 if (LocaleCompare(
"graphic-context",token) == 0)
3501 graphic_context=(DrawInfo **) ResizeQuantumMemory(
3502 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3503 if (graphic_context == (DrawInfo **) NULL)
3505 (void) ThrowMagickException(exception,GetMagickModule(),
3506 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3510 graphic_context[n]=CloneDrawInfo((ImageInfo *) NULL,
3511 graphic_context[n-1]);
3514 (void) GetNextToken(q,&q,extent,token);
3515 (void) CloneString(&graphic_context[n]->
id,token);
3519 if (LocaleCompare(
"mask",token) == 0)
3521 (void) GetNextToken(q,&q,extent,token);
3524 if (LocaleCompare(
"pattern",token) == 0)
3527 key[2*MagickPathExtent],
3528 name[MagickPathExtent];
3533 (void) GetNextToken(q,&q,extent,token);
3534 (void) CopyMagickString(name,token,MagickPathExtent);
3535 (void) GetNextToken(q,&q,extent,token);
3536 region.x=CastDoubleToSsizeT(ceil(GetDrawValue(token,
3538 if (token == next_token)
3539 ThrowPointExpectedException(token,exception);
3540 (void) GetNextToken(q,&q,extent,token);
3542 (void) GetNextToken(q,&q,extent,token);
3543 region.y=CastDoubleToSsizeT(ceil(GetDrawValue(token,
3545 if (token == next_token)
3546 ThrowPointExpectedException(token,exception);
3547 (void) GetNextToken(q,&q,extent,token);
3549 (void) GetNextToken(q,&q,extent,token);
3550 region.width=CastDoubleToSizeT(floor(GetDrawValue(token,
3552 if (token == next_token)
3553 ThrowPointExpectedException(token,exception);
3554 (void) GetNextToken(q,&q,extent,token);
3556 (void) GetNextToken(q,&q,extent,token);
3557 region.height=CastDoubleToSizeT(GetDrawValue(token,
3559 if (token == next_token)
3560 ThrowPointExpectedException(token,exception);
3561 for (p=q; *q !=
'\0'; )
3563 if (GetNextToken(q,&q,extent,token) < 1)
3565 if (LocaleCompare(token,
"pop") != 0)
3567 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3568 if (LocaleCompare(token,
"pattern") != 0)
3572 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3577 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3578 (void) FormatLocaleString(key,MagickPathExtent,
"%s",name);
3579 (void) SetImageArtifact(image,key,token);
3580 (void) FormatLocaleString(key,MagickPathExtent,
"%s-geometry",
3582 (void) FormatLocaleString(geometry,MagickPathExtent,
3583 "%.20gx%.20g%+.20g%+.20g",(
double) region.width,(
double)
3584 region.height,(
double) region.x,(
double) region.y);
3585 (void) SetImageArtifact(image,key,geometry);
3586 (void) GetNextToken(q,&q,extent,token);
3589 if (LocaleCompare(
"symbol",token) == 0)
3592 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3605 if (LocaleCompare(
"rectangle",keyword) == 0)
3607 primitive_type=RectanglePrimitive;
3610 if (LocaleCompare(
"rotate",keyword) == 0)
3612 (void) GetNextToken(q,&q,extent,token);
3613 angle=GetDrawValue(token,&next_token);
3614 if (token == next_token)
3615 ThrowPointExpectedException(token,exception);
3616 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3617 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3618 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3619 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3622 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3624 primitive_type=RoundRectanglePrimitive;
3633 if (LocaleCompare(
"scale",keyword) == 0)
3635 (void) GetNextToken(q,&q,extent,token);
3636 affine.sx=GetDrawValue(token,&next_token);
3637 if (token == next_token)
3638 ThrowPointExpectedException(token,exception);
3639 (void) GetNextToken(q,&q,extent,token);
3641 (void) GetNextToken(q,&q,extent,token);
3642 affine.sy=GetDrawValue(token,&next_token);
3643 if (token == next_token)
3644 ThrowPointExpectedException(token,exception);
3647 if (LocaleCompare(
"skewX",keyword) == 0)
3649 (void) GetNextToken(q,&q,extent,token);
3650 angle=GetDrawValue(token,&next_token);
3651 if (token == next_token)
3652 ThrowPointExpectedException(token,exception);
3653 affine.ry=sin(DegreesToRadians(angle));
3656 if (LocaleCompare(
"skewY",keyword) == 0)
3658 (void) GetNextToken(q,&q,extent,token);
3659 angle=GetDrawValue(token,&next_token);
3660 if (token == next_token)
3661 ThrowPointExpectedException(token,exception);
3662 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3665 if (LocaleCompare(
"stop-color",keyword) == 0)
3671 if (number_stops == 1)
3672 stops=(StopInfo *) AcquireQuantumMemory(2,
sizeof(*stops));
3674 if (number_stops > 2)
3675 stops=(StopInfo *) ResizeQuantumMemory(stops,number_stops,
3677 if (stops == (StopInfo *) NULL)
3679 (void) ThrowMagickException(exception,GetMagickModule(),
3680 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3684 (void) GetNextToken(q,&q,extent,token);
3685 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3686 &stop_color,exception);
3687 stops[number_stops-1].color=stop_color;
3688 (void) GetNextToken(q,&q,extent,token);
3689 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3690 stops[number_stops-1].offset=factor*GetDrawValue(token,
3692 if (token == next_token)
3693 ThrowPointExpectedException(token,exception);
3696 if (LocaleCompare(
"stroke",keyword) == 0)
3701 (void) GetNextToken(q,&q,extent,token);
3702 if (graphic_context[n]->clip_path != MagickFalse)
3704 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3705 if (mvg_class != (
const char *) NULL)
3707 (void) DrawPatternPath(image,draw_info,mvg_class,
3708 &graphic_context[n]->stroke_pattern,exception);
3711 (void) FormatLocaleString(pattern,MagickPathExtent,
"%s",token);
3712 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3714 (void) DrawPatternPath(image,draw_info,token,
3715 &graphic_context[n]->stroke_pattern,exception);
3718 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3719 &graphic_context[n]->stroke,exception);
3720 if (graphic_context[n]->stroke_alpha != (
double) OpaqueAlpha)
3721 graphic_context[n]->stroke.alpha=
3722 graphic_context[n]->stroke_alpha;
3725 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3727 (void) GetNextToken(q,&q,extent,token);
3728 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3729 MagickTrue : MagickFalse;
3732 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3734 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3735 graphic_context[n]->dash_pattern=(
double *)
3736 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3737 if (IsPoint(q) != MagickFalse)
3743 (void) GetNextToken(r,&r,extent,token);
3745 (void) GetNextToken(r,&r,extent,token);
3746 for (x=0; IsPoint(token) != MagickFalse; x++)
3748 (void) GetNextToken(r,&r,extent,token);
3750 (void) GetNextToken(r,&r,extent,token);
3752 graphic_context[n]->dash_pattern=(
double *)
3753 AcquireQuantumMemory((
size_t) (2*x+2),
3754 sizeof(*graphic_context[n]->dash_pattern));
3755 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3757 (void) ThrowMagickException(exception,GetMagickModule(),
3758 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3763 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3764 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3765 for (j=0; j < x; j++)
3767 (void) GetNextToken(q,&q,extent,token);
3769 (void) GetNextToken(q,&q,extent,token);
3770 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3772 if (token == next_token)
3773 ThrowPointExpectedException(token,exception);
3774 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3777 if ((x & 0x01) != 0)
3778 for ( ; j < (2*x); j++)
3779 graphic_context[n]->dash_pattern[j]=
3780 graphic_context[n]->dash_pattern[j-x];
3781 graphic_context[n]->dash_pattern[j]=0.0;
3784 (void) GetNextToken(q,&q,extent,token);
3787 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3789 (void) GetNextToken(q,&q,extent,token);
3790 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3791 if (token == next_token)
3792 ThrowPointExpectedException(token,exception);
3795 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3800 (void) GetNextToken(q,&q,extent,token);
3801 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3807 graphic_context[n]->linecap=(LineCap) linecap;
3810 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3815 (void) GetNextToken(q,&q,extent,token);
3816 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3823 graphic_context[n]->linejoin=(LineJoin) linejoin;
3826 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3828 (void) GetNextToken(q,&q,extent,token);
3829 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3832 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3837 (void) GetNextToken(q,&q,extent,token);
3838 if (graphic_context[n]->clip_path != MagickFalse)
3840 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3841 opacity=MagickMin(MagickMax(factor*GetDrawValue(token,&next_token),
3843 if (token == next_token)
3844 ThrowPointExpectedException(token,exception);
3845 if (graphic_context[n]->compliance == SVGCompliance)
3846 graphic_context[n]->stroke_alpha*=opacity;
3848 graphic_context[n]->stroke_alpha=(double) QuantumRange*opacity;
3849 if (graphic_context[n]->stroke.alpha != (
double) TransparentAlpha)
3850 graphic_context[n]->stroke.alpha=graphic_context[n]->stroke_alpha;
3852 graphic_context[n]->stroke.alpha=(MagickRealType)
3853 ClampToQuantum((
double) QuantumRange*opacity);
3854 graphic_context[n]->stroke.alpha_trait=BlendPixelTrait;
3857 if (LocaleCompare(
"stroke-width",keyword) == 0)
3859 (void) GetNextToken(q,&q,extent,token);
3860 if (graphic_context[n]->clip_path != MagickFalse)
3862 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3863 if ((token == next_token) ||
3864 (graphic_context[n]->stroke_width < 0.0))
3865 ThrowPointExpectedException(token,exception);
3874 if (LocaleCompare(
"text",keyword) == 0)
3876 primitive_type=TextPrimitive;
3880 if (LocaleCompare(
"text-align",keyword) == 0)
3885 (void) GetNextToken(q,&q,extent,token);
3886 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3892 graphic_context[n]->align=(AlignType) align;
3895 if (LocaleCompare(
"text-anchor",keyword) == 0)
3900 (void) GetNextToken(q,&q,extent,token);
3901 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3907 graphic_context[n]->align=(AlignType) align;
3910 if (LocaleCompare(
"text-antialias",keyword) == 0)
3912 (void) GetNextToken(q,&q,extent,token);
3913 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3914 MagickTrue : MagickFalse;
3917 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3919 (void) GetNextToken(q,&q,extent,token);
3920 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3921 &graphic_context[n]->undercolor,exception);
3924 if (LocaleCompare(
"translate",keyword) == 0)
3926 (void) GetNextToken(q,&q,extent,token);
3927 affine.tx=GetDrawValue(token,&next_token);
3928 if (token == next_token)
3929 ThrowPointExpectedException(token,exception);
3930 (void) GetNextToken(q,&q,extent,token);
3932 (void) GetNextToken(q,&q,extent,token);
3933 affine.ty=GetDrawValue(token,&next_token);
3934 if (token == next_token)
3935 ThrowPointExpectedException(token,exception);
3945 if (LocaleCompare(
"use",keyword) == 0)
3953 (void) GetNextToken(q,&q,extent,token);
3954 use=(
const char *) GetValueFromSplayTree(macros,token);
3955 if (use != (
const char *) NULL)
3957 clone_info=CloneDrawInfo((ImageInfo *) NULL,graphic_context[n]);
3958 (void) CloneString(&clone_info->primitive,use);
3959 status=RenderMVGContent(image,clone_info,depth+1,exception);
3960 clone_info=DestroyDrawInfo(clone_info);
3970 if (LocaleCompare(
"viewbox",keyword) == 0)
3972 (void) GetNextToken(q,&q,extent,token);
3973 graphic_context[n]->viewbox.x=CastDoubleToSsizeT(ceil(
3974 GetDrawValue(token,&next_token)-0.5));
3975 if (token == next_token)
3976 ThrowPointExpectedException(token,exception);
3977 (void) GetNextToken(q,&q,extent,token);
3979 (void) GetNextToken(q,&q,extent,token);
3980 graphic_context[n]->viewbox.y=CastDoubleToSsizeT(
3981 ceil(GetDrawValue(token,&next_token)-0.5));
3982 if (token == next_token)
3983 ThrowPointExpectedException(token,exception);
3984 (void) GetNextToken(q,&q,extent,token);
3986 (void) GetNextToken(q,&q,extent,token);
3987 graphic_context[n]->viewbox.width=CastDoubleToSizeT(floor(
3988 GetDrawValue(token,&next_token)+0.5));
3989 if (token == next_token)
3990 ThrowPointExpectedException(token,exception);
3991 (void) GetNextToken(q,&q,extent,token);
3993 (void) GetNextToken(q,&q,extent,token);
3994 graphic_context[n]->viewbox.height=CastDoubleToSizeT(floor(
3995 GetDrawValue(token,&next_token)+0.5));
3996 if (token == next_token)
3997 ThrowPointExpectedException(token,exception);
4006 if (LocaleCompare(
"word-spacing",keyword) == 0)
4008 (void) GetNextToken(q,&q,extent,token);
4009 graphic_context[n]->interword_spacing=GetDrawValue(token,
4011 if (token == next_token)
4012 ThrowPointExpectedException(token,exception);
4024 if (status == MagickFalse)
4026 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
4027 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
4028 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
4029 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
4031 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
4032 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
4033 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
4034 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
4035 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
4037 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
4040 if (primitive_type == UndefinedPrimitive)
4044 if (number_stops > 1)
4049 type=LinearGradient;
4050 if (draw_info->gradient.type == RadialGradient)
4051 type=RadialGradient;
4052 (void) GradientImage(image,type,PadSpread,stops,number_stops,
4055 if (number_stops > 0)
4056 stops=(StopInfo *) RelinquishMagickMemory(stops);
4058 if ((draw_info->debug != MagickFalse) && (q > p))
4059 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(
int)
4066 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4067 if (primitive_info[i].text != (
char *) NULL)
4068 primitive_info[i].text=DestroyString(primitive_info[i].text);
4072 primitive_info[0].point.x=0.0;
4073 primitive_info[0].point.y=0.0;
4074 primitive_info[0].coordinates=0;
4075 primitive_info[0].method=FloodfillMethod;
4076 primitive_info[0].closed_subpath=MagickFalse;
4077 for (x=0; *q !=
'\0'; x++)
4082 if (IsPoint(q) == MagickFalse)
4084 (void) GetNextToken(q,&q,extent,token);
4085 point.x=GetDrawValue(token,&next_token);
4086 if (token == next_token)
4087 ThrowPointExpectedException(token,exception);
4088 (void) GetNextToken(q,&q,extent,token);
4090 (void) GetNextToken(q,&q,extent,token);
4091 point.y=GetDrawValue(token,&next_token);
4092 if (token == next_token)
4093 ThrowPointExpectedException(token,exception);
4094 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4096 (void) GetNextToken(q,&q,extent,token);
4097 primitive_info[i].primitive=primitive_type;
4098 primitive_info[i].point=point;
4099 primitive_info[i].coordinates=0;
4100 primitive_info[i].method=FloodfillMethod;
4101 primitive_info[i].closed_subpath=MagickFalse;
4104 if (i < (ssize_t) number_points)
4106 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4108 primitive_info=(*mvg_info.primitive_info);
4110 if (status == MagickFalse)
4112 if (primitive_info[j].text != (
char *) NULL)
4113 primitive_info[j].text=DestroyString(primitive_info[j].text);
4114 primitive_info[j].primitive=primitive_type;
4115 primitive_info[j].coordinates=(size_t) x;
4116 primitive_info[j].method=FloodfillMethod;
4117 primitive_info[j].closed_subpath=MagickFalse;
4121 bounds.x1=primitive_info[j].point.x;
4122 bounds.y1=primitive_info[j].point.y;
4123 bounds.x2=primitive_info[j].point.x;
4124 bounds.y2=primitive_info[j].point.y;
4125 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4127 point=primitive_info[j+k].point;
4128 if (point.x < bounds.x1)
4130 if (point.y < bounds.y1)
4132 if (point.x > bounds.x2)
4134 if (point.y > bounds.y2)
4140 coordinates=(double) primitive_info[j].coordinates;
4141 switch (primitive_type)
4143 case RectanglePrimitive:
4148 case RoundRectanglePrimitive:
4155 alpha=bounds.x2-bounds.x1;
4156 beta=bounds.y2-bounds.y1;
4157 radius=hypot(alpha,beta);
4159 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4160 BezierQuantum+360.0;
4163 case BezierPrimitive:
4165 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4174 (void) GetNextToken(q,&q,extent,token);
4177 for (s=token; *s !=
'\0'; s=t)
4182 value=GetDrawValue(s,&t);
4191 for (s=token; *s !=
'\0'; s++)
4192 if (strspn(s,
"AaCcQqSsTt") != 0)
4193 coordinates+=(20.0*BezierQuantum)+360.0;
4199 if (status == MagickFalse)
4201 if (((
size_t) (i+coordinates)) >= number_points)
4206 number_points+=(size_t) coordinates+1;
4207 if (number_points < (
size_t) coordinates)
4209 (void) ThrowMagickException(exception,GetMagickModule(),
4210 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4215 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4217 primitive_info=(*mvg_info.primitive_info);
4219 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,
4220 PrimitiveExtentPad);
4221 primitive_info=(*mvg_info.primitive_info);
4222 if (status == MagickFalse)
4225 switch (primitive_type)
4227 case PointPrimitive:
4230 if (primitive_info[j].coordinates != 1)
4235 status&=(MagickStatusType) TracePoint(primitive_info+j,
4236 primitive_info[j].point);
4237 primitive_info=(*mvg_info.primitive_info);
4238 i=j+(ssize_t) primitive_info[j].coordinates;
4243 if (primitive_info[j].coordinates != 2)
4248 status&=(MagickStatusType) TraceLine(primitive_info+j,
4249 primitive_info[j].point,primitive_info[j+1].point);
4250 primitive_info=(*mvg_info.primitive_info);
4251 i=j+(ssize_t) primitive_info[j].coordinates;
4254 case RectanglePrimitive:
4256 if (primitive_info[j].coordinates != 2)
4261 status&=(MagickStatusType) TraceRectangle(primitive_info+j,
4262 primitive_info[j].point,primitive_info[j+1].point);
4263 primitive_info=(*mvg_info.primitive_info);
4264 i=j+(ssize_t) primitive_info[j].coordinates;
4267 case RoundRectanglePrimitive:
4269 if (primitive_info[j].coordinates != 3)
4274 if ((primitive_info[j+2].point.x < 0.0) ||
4275 (primitive_info[j+2].point.y < 0.0))
4280 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4285 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4290 status&=(MagickStatusType) TraceRoundRectangle(&mvg_info,
4291 primitive_info[j].point,primitive_info[j+1].point,
4292 primitive_info[j+2].point);
4293 primitive_info=(*mvg_info.primitive_info);
4294 i=j+(ssize_t) primitive_info[j].coordinates;
4299 if (primitive_info[j].coordinates != 3)
4304 status&=(MagickStatusType) TraceArc(&mvg_info,primitive_info[j].point,
4305 primitive_info[j+1].point,primitive_info[j+2].point);
4306 primitive_info=(*mvg_info.primitive_info);
4307 i=j+(ssize_t) primitive_info[j].coordinates;
4310 case EllipsePrimitive:
4312 if (primitive_info[j].coordinates != 3)
4317 if ((primitive_info[j+1].point.x < 0.0) ||
4318 (primitive_info[j+1].point.y < 0.0))
4323 status&=(MagickStatusType) TraceEllipse(&mvg_info,
4324 primitive_info[j].point,primitive_info[j+1].point,
4325 primitive_info[j+2].point);
4326 primitive_info=(*mvg_info.primitive_info);
4327 i=j+(ssize_t) primitive_info[j].coordinates;
4330 case CirclePrimitive:
4332 if (primitive_info[j].coordinates != 2)
4337 status&=(MagickStatusType) TraceCircle(&mvg_info,
4338 primitive_info[j].point,primitive_info[j+1].point);
4339 primitive_info=(*mvg_info.primitive_info);
4340 i=j+(ssize_t) primitive_info[j].coordinates;
4343 case PolylinePrimitive:
4345 if (primitive_info[j].coordinates < 1)
4352 case PolygonPrimitive:
4354 if (primitive_info[j].coordinates < 3)
4359 primitive_info[i]=primitive_info[j];
4360 primitive_info[i].coordinates=0;
4361 primitive_info[j].coordinates++;
4362 primitive_info[j].closed_subpath=MagickTrue;
4366 case BezierPrimitive:
4368 if (primitive_info[j].coordinates < 3)
4373 status&=(MagickStatusType) TraceBezier(&mvg_info,
4374 primitive_info[j].coordinates);
4375 primitive_info=(*mvg_info.primitive_info);
4376 i=j+(ssize_t) primitive_info[j].coordinates;
4381 coordinates=(double) TracePath(&mvg_info,token,exception);
4382 primitive_info=(*mvg_info.primitive_info);
4383 if (coordinates < 0.0)
4388 i=(ssize_t) (j+coordinates);
4391 case AlphaPrimitive:
4392 case ColorPrimitive:
4397 if (primitive_info[j].coordinates != 1)
4402 (void) GetNextToken(q,&q,extent,token);
4403 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4409 primitive_info[j].method=(PaintMethod) method;
4414 if (primitive_info[j].coordinates != 1)
4420 (void) GetNextToken(q,&q,extent,token);
4421 (void) CloneString(&primitive_info[j].text,token);
4425 clone_info=CloneDrawInfo((ImageInfo *) NULL,graphic_context[n]);
4426 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4427 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4429 mvg_info.point=primitive_info->point;
4430 primitive_info->point.x+=cursor;
4434 mvg_info.point=primitive_info->point;
4437 clone_info->render=MagickFalse;
4438 clone_info->text=AcquireString(token);
4439 status&=(MagickStatusType) GetTypeMetrics(image,clone_info,
4440 &metrics,exception);
4441 clone_info=DestroyDrawInfo(clone_info);
4442 cursor+=metrics.width;
4443 if (graphic_context[n]->compliance != SVGCompliance)
4447 case ImagePrimitive:
4449 if (primitive_info[j].coordinates != 2)
4454 (void) GetNextToken(q,&q,extent,token);
4455 (void) CloneString(&primitive_info[j].text,token);
4462 primitive_info[i].primitive=UndefinedPrimitive;
4463 if ((draw_info->debug != MagickFalse) && (q > p))
4464 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(
int) (q-p),p);
4468 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4469 &graphic_context[n]->affine));
4470 primitive_info=(*mvg_info.primitive_info);
4473 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4474 graphic_context[n]->stroke_width);
4475 primitive_info=(*mvg_info.primitive_info);
4483 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4485 point=primitive_info[i].point;
4486 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4487 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4488 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4489 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4490 point=primitive_info[i].point;
4491 if (point.x < graphic_context[n]->bounds.x1)
4492 graphic_context[n]->bounds.x1=point.x;
4493 if (point.y < graphic_context[n]->bounds.y1)
4494 graphic_context[n]->bounds.y1=point.y;
4495 if (point.x > graphic_context[n]->bounds.x2)
4496 graphic_context[n]->bounds.x2=point.x;
4497 if (point.y > graphic_context[n]->bounds.y2)
4498 graphic_context[n]->bounds.y2=point.y;
4499 if (primitive_info[i].primitive == ImagePrimitive)
4501 if (i >= (ssize_t) number_points)
4502 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4504 if (graphic_context[n]->render != MagickFalse)
4506 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4507 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4508 (LocaleCompare(graphic_context[n]->clip_mask,
4509 graphic_context[n-1]->clip_mask) != 0))
4514 clip_path=(
const char *) GetValueFromSplayTree(macros,
4515 graphic_context[n]->clip_mask);
4516 if (clip_path != (
const char *) NULL)
4517 (void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4519 status&=(MagickStatusType) DrawClipPath(image,graphic_context[n],
4520 graphic_context[n]->clip_mask,exception);
4522 status&=(MagickStatusType) DrawPrimitive(image,graphic_context[n],
4523 primitive_info,exception);
4525 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4527 if (proceed == MagickFalse)
4532 if (draw_info->debug != MagickFalse)
4533 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4537 macros=DestroySplayTree(macros);
4538 token=DestroyString(token);
4539 if (primitive_info != (PrimitiveInfo *) NULL)
4541 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4542 if (primitive_info[i].text != (
char *) NULL)
4543 primitive_info[i].text=DestroyString(primitive_info[i].text);
4544 primitive_info=(PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4546 primitive=DestroyString(primitive);
4547 if (stops != (StopInfo *) NULL)
4548 stops=(StopInfo *) RelinquishMagickMemory(stops);
4549 for ( ; n >= 0; n--)
4550 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4551 graphic_context=(DrawInfo **) RelinquishMagickMemory(graphic_context);
4552 if ((status == MagickFalse) && (exception->severity < ErrorException))
4553 ThrowBinaryException(DrawError,
"NonconformingDrawingPrimitiveDefinition",
4555 return(status != 0 ? MagickTrue : MagickFalse);
4558MagickExport MagickBooleanType DrawImage(Image *image,
const DrawInfo *draw_info,
4559 ExceptionInfo *exception)
4561 return(RenderMVGContent(image,draw_info,0,exception));
4595MagickExport MagickBooleanType DrawPatternPath(Image *image,
4596 const DrawInfo *draw_info,
const char *name,Image **pattern,
4597 ExceptionInfo *exception)
4600 property[MagickPathExtent];
4616 assert(image != (Image *) NULL);
4617 assert(image->signature == MagickCoreSignature);
4618 assert(draw_info != (
const DrawInfo *) NULL);
4619 assert(name != (
const char *) NULL);
4620 if (IsEventLogging() != MagickFalse)
4621 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4622 (void) FormatLocaleString(property,MagickPathExtent,
"%s",name);
4623 path=GetImageArtifact(image,property);
4624 if (path == (
const char *) NULL)
4625 return(MagickFalse);
4626 (void) FormatLocaleString(property,MagickPathExtent,
"%s-geometry",name);
4627 geometry=GetImageArtifact(image,property);
4628 if (geometry == (
const char *) NULL)
4629 return(MagickFalse);
4630 if ((*pattern) != (Image *) NULL)
4631 *pattern=DestroyImage(*pattern);
4632 image_info=AcquireImageInfo();
4633 image_info->size=AcquireString(geometry);
4634 *pattern=AcquireImage(image_info,exception);
4635 image_info=DestroyImageInfo(image_info);
4636 (void) QueryColorCompliance(
"#00000000",AllCompliance,
4637 &(*pattern)->background_color,exception);
4638 (void) SetImageBackgroundColor(*pattern,exception);
4639 if (draw_info->debug != MagickFalse)
4640 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4641 "begin pattern-path %s %s",name,geometry);
4642 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
4643 if (clone_info->fill_pattern != (Image *) NULL)
4644 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4645 if (clone_info->stroke_pattern != (Image *) NULL)
4646 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4647 (void) FormatLocaleString(property,MagickPathExtent,
"%s-type",name);
4648 type=GetImageArtifact(image,property);
4649 if (type != (
const char *) NULL)
4650 clone_info->gradient.type=(GradientType) ParseCommandOption(
4651 MagickGradientOptions,MagickFalse,type);
4652 (void) CloneString(&clone_info->primitive,path);
4653 status=RenderMVGContent(*pattern,clone_info,0,exception);
4654 clone_info=DestroyDrawInfo(clone_info);
4655 if (draw_info->debug != MagickFalse)
4656 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4691static PolygonInfo **DestroyPolygonTLS(PolygonInfo **polygon_info)
4696 assert(polygon_info != (PolygonInfo **) NULL);
4697 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4698 if (polygon_info[i] != (PolygonInfo *) NULL)
4699 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4700 polygon_info=(PolygonInfo **) RelinquishMagickMemory(polygon_info);
4701 return(polygon_info);
4704static PolygonInfo **AcquirePolygonTLS(
const PrimitiveInfo *primitive_info,
4705 ExceptionInfo *exception)
4708 *magick_restrict path_info;
4716 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4717 polygon_info=(PolygonInfo **) AcquireQuantumMemory(number_threads,
4718 sizeof(*polygon_info));
4719 if (polygon_info == (PolygonInfo **) NULL)
4721 (void) ThrowMagickException(exception,GetMagickModule(),
4722 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4723 return((PolygonInfo **) NULL);
4725 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4726 path_info=ConvertPrimitiveToPath(primitive_info,exception);
4727 if (path_info == (PathInfo *) NULL)
4728 return(DestroyPolygonTLS(polygon_info));
4729 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4730 if (polygon_info[0] == (PolygonInfo *) NULL)
4732 (void) ThrowMagickException(exception,GetMagickModule(),
4733 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4734 return(DestroyPolygonTLS(polygon_info));
4736 path_info=(PathInfo *) RelinquishMagickMemory(path_info);
4737 return(polygon_info);
4740static MagickBooleanType ClonePolygonEdgesTLS(PolygonInfo **polygon_info,
4741 const size_t number_threads,ExceptionInfo *exception)
4746 for (i=1; i < (ssize_t) number_threads; i++)
4754 polygon_info[i]=(PolygonInfo *) AcquireMagickMemory(
4755 sizeof(*polygon_info[i]));
4756 if (polygon_info[i] == (PolygonInfo *) NULL)
4758 (void) ThrowMagickException(exception,GetMagickModule(),
4759 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4760 return(MagickFalse);
4762 polygon_info[i]->number_edges=0;
4763 edge_info=polygon_info[0]->edges;
4764 polygon_info[i]->edges=(EdgeInfo *) AcquireQuantumMemory(
4765 polygon_info[0]->number_edges,
sizeof(*edge_info));
4766 if (polygon_info[i]->edges == (EdgeInfo *) NULL)
4768 (void) ThrowMagickException(exception,GetMagickModule(),
4769 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4770 return(MagickFalse);
4772 (void) memcpy(polygon_info[i]->edges,edge_info,
4773 polygon_info[0]->number_edges*
sizeof(*edge_info));
4774 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4775 polygon_info[i]->edges[j].points=(PointInfo *) NULL;
4776 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4777 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4779 edge_info=polygon_info[0]->edges+j;
4780 polygon_info[i]->edges[j].points=(PointInfo *) AcquireQuantumMemory(
4781 edge_info->number_points,
sizeof(*edge_info));
4782 if (polygon_info[i]->edges[j].points == (PointInfo *) NULL)
4784 (void) ThrowMagickException(exception,GetMagickModule(),
4785 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4786 return(MagickFalse);
4788 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4789 edge_info->number_points*
sizeof(*edge_info->points));
4795static size_t DestroyEdge(PolygonInfo *polygon_info,
const ssize_t edge)
4797 assert(edge < (ssize_t) polygon_info->number_edges);
4798 polygon_info->edges[edge].points=(PointInfo *) RelinquishMagickMemory(
4799 polygon_info->edges[edge].points);
4800 polygon_info->number_edges--;
4801 if (edge < (ssize_t) polygon_info->number_edges)
4802 (void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4803 (polygon_info->number_edges-(
size_t) edge)*
sizeof(*polygon_info->edges));
4804 return(polygon_info->number_edges);
4807static double GetFillAlpha(PolygonInfo *polygon_info,
const double mid,
4808 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4809 const ssize_t y,
double *stroke_alpha)
4836 p=polygon_info->edges;
4837 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4839 if ((
double) y <= (p->bounds.y1-mid-0.5))
4841 if ((
double) y > (p->bounds.y2+mid+0.5))
4844 (void) DestroyEdge(polygon_info,j--);
4847 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4848 ((
double) x > (p->bounds.x2+mid+0.5)))
4850 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4851 for ( ; i < (ssize_t) p->number_points; i++)
4853 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4855 if ((
double) y > (p->points[i].y+mid+0.5))
4857 if (p->scanline != (
double) y)
4859 p->scanline=(double) y;
4860 p->highwater=(size_t) i;
4866 delta.x=(q+1)->x-q->x;
4867 delta.y=(q+1)->y-q->y;
4868 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4874 delta.x=(double) x-q->x;
4875 delta.y=(double) y-q->y;
4876 distance=delta.x*delta.x+delta.y*delta.y;
4880 alpha=delta.x*delta.x+delta.y*delta.y;
4886 delta.x=(double) x-(q+1)->x;
4887 delta.y=(double) y-(q+1)->y;
4888 distance=delta.x*delta.x+delta.y*delta.y;
4895 alpha=MagickSafeReciprocal(alpha);
4896 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4897 distance=alpha*beta*beta;
4904 if (p->ghostline == MagickFalse)
4907 if ((*stroke_alpha < 1.0) &&
4908 (distance <= ((alpha+0.25)*(alpha+0.25))))
4911 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4916 if (fabs(distance-1.0) >= MagickEpsilon)
4917 beta=sqrt((
double) distance);
4919 if (*stroke_alpha < ((alpha-0.25)*(alpha-0.25)))
4920 *stroke_alpha=(alpha-0.25)*(alpha-0.25);
4924 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_alpha >= 1.0))
4926 if (distance <= 0.0)
4933 if (fabs(beta) < MagickEpsilon)
4936 if (fabs(distance-1.0) >= MagickEpsilon)
4937 beta=sqrt(distance);
4940 if (subpath_alpha < (alpha*alpha))
4941 subpath_alpha=alpha*alpha;
4947 if (fill == MagickFalse)
4949 if (subpath_alpha >= 1.0)
4955 p=polygon_info->edges;
4956 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4958 if ((
double) y <= p->bounds.y1)
4960 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4962 if ((
double) x > p->bounds.x2)
4964 winding_number+=p->direction != 0 ? 1 : -1;
4967 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4968 for ( ; i < (ssize_t) (p->number_points-1); i++)
4969 if ((
double) y <= p->points[i].y)
4972 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4973 winding_number+=p->direction != 0 ? 1 : -1;
4975 if (fill_rule != NonZeroRule)
4977 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4981 if (MagickAbsoluteValue(winding_number) != 0)
4983 return(subpath_alpha);
4986static MagickBooleanType DrawPolygonPrimitive(Image *image,
4987 const DrawInfo *draw_info,
const PrimitiveInfo *primitive_info,
4988 ExceptionInfo *exception)
4990 typedef struct _ExtentInfo
5019 **magick_restrict polygon_info;
5031 assert(image != (Image *) NULL);
5032 assert(image->signature == MagickCoreSignature);
5033 assert(draw_info != (DrawInfo *) NULL);
5034 assert(draw_info->signature == MagickCoreSignature);
5035 assert(primitive_info != (PrimitiveInfo *) NULL);
5036 if (IsEventLogging() != MagickFalse)
5037 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
5038 if (primitive_info->coordinates <= 1)
5043 polygon_info=AcquirePolygonTLS(primitive_info,exception);
5044 if (polygon_info == (PolygonInfo **) NULL)
5045 return(MagickFalse);
5046 if (draw_info->debug != MagickFalse)
5047 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
5048 fill=(primitive_info->method == FillToBorderMethod) ||
5049 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
5050 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5051 bounds=polygon_info[0]->edges[0].bounds;
5052 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
5053 if (IsStringTrue(artifact) != MagickFalse)
5054 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0],exception);
5055 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
5057 p=polygon_info[0]->edges+i;
5058 if (p->bounds.x1 < bounds.x1)
5059 bounds.x1=p->bounds.x1;
5060 if (p->bounds.y1 < bounds.y1)
5061 bounds.y1=p->bounds.y1;
5062 if (p->bounds.x2 > bounds.x2)
5063 bounds.x2=p->bounds.x2;
5064 if (p->bounds.y2 > bounds.y2)
5065 bounds.y2=p->bounds.y2;
5067 bounds.x1-=(mid+1.0);
5068 bounds.y1-=(mid+1.0);
5069 bounds.x2+=(mid+1.0);
5070 bounds.y2+=(mid+1.0);
5071 if ((bounds.x1 >= (
double) image->columns) ||
5072 (bounds.y1 >= (
double) image->rows) ||
5073 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
5075 polygon_info=DestroyPolygonTLS(polygon_info);
5078 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
5079 (
double) image->columns-1.0 : bounds.x1;
5080 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
5081 (
double) image->rows-1.0 : bounds.y1;
5082 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
5083 (
double) image->columns-1.0 : bounds.x2;
5084 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
5085 (
double) image->rows-1.0 : bounds.y2;
5086 poly_extent.x1=CastDoubleToSsizeT(ceil(bounds.x1-0.5));
5087 poly_extent.y1=CastDoubleToSsizeT(ceil(bounds.y1-0.5));
5088 poly_extent.x2=CastDoubleToSsizeT(floor(bounds.x2+0.5));
5089 poly_extent.y2=CastDoubleToSsizeT(floor(bounds.y2+0.5));
5090 number_threads=(size_t) GetMagickNumberThreads(image,image,(
size_t)
5091 (poly_extent.y2-poly_extent.y1+1),1);
5092 status=ClonePolygonEdgesTLS(polygon_info,number_threads,exception);
5093 if (status == MagickFalse)
5095 polygon_info=DestroyPolygonTLS(polygon_info);
5098 image_view=AcquireAuthenticCacheView(image,exception);
5099 if ((primitive_info->coordinates == 1) ||
5100 (polygon_info[0]->number_edges == 0))
5105#if defined(MAGICKCORE_OPENMP_SUPPORT)
5106 #pragma omp parallel for schedule(static) shared(status) \
5107 num_threads((int) number_threads)
5109 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5120 if (status == MagickFalse)
5123 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5125 if (q == (Quantum *) NULL)
5130 GetPixelInfo(image,&pixel);
5131 for ( ; x <= poly_extent.x2; x++)
5133 if ((x == CastDoubleToSsizeT(ceil(primitive_info->point.x-0.5))) &&
5134 (y == CastDoubleToSsizeT(ceil(primitive_info->point.y-0.5))))
5136 GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&pixel,
5138 SetPixelViaPixelInfo(image,&pixel,q);
5140 q+=(ptrdiff_t) GetPixelChannels(image);
5142 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5145 image_view=DestroyCacheView(image_view);
5146 polygon_info=DestroyPolygonTLS(polygon_info);
5147 if (draw_info->debug != MagickFalse)
5148 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5149 " end draw-polygon");
5155#if defined(MAGICKCORE_OPENMP_SUPPORT)
5156 #pragma omp parallel for schedule(static) shared(status) \
5157 num_threads((int) number_threads)
5159 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5162 id = GetOpenMPThreadId();
5170 if (status == MagickFalse)
5172 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5173 (poly_extent.x2-poly_extent.x1+1),1,exception);
5174 if (q == (Quantum *) NULL)
5179 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5192 fill_alpha=GetFillAlpha(polygon_info[
id],mid,fill,draw_info->fill_rule,
5194 if (draw_info->stroke_antialias == MagickFalse)
5196 fill_alpha=fill_alpha >= AntialiasThreshold ? 1.0 : 0.0;
5197 stroke_alpha=stroke_alpha >= AntialiasThreshold ? 1.0 : 0.0;
5199 GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&fill_color,
5201 CompositePixelOver(image,&fill_color,fill_alpha*fill_color.alpha,q,
5202 (
double) GetPixelAlpha(image,q),q);
5203 GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&stroke_color,
5205 CompositePixelOver(image,&stroke_color,stroke_alpha*stroke_color.alpha,q,
5206 (
double) GetPixelAlpha(image,q),q);
5207 q+=(ptrdiff_t) GetPixelChannels(image);
5209 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5212 image_view=DestroyCacheView(image_view);
5213 polygon_info=DestroyPolygonTLS(polygon_info);
5214 if (draw_info->debug != MagickFalse)
5215 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5248static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5274 x=CastDoubleToSsizeT(ceil(primitive_info->point.x-0.5));
5275 y=CastDoubleToSsizeT(ceil(primitive_info->point.y-0.5));
5276 switch (primitive_info->primitive)
5278 case AlphaPrimitive:
5280 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5281 "AlphaPrimitive %.20g,%.20g %s",(
double) x,(
double) y,
5282 methods[primitive_info->method]);
5285 case ColorPrimitive:
5287 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5288 "ColorPrimitive %.20g,%.20g %s",(
double) x,(
double) y,
5289 methods[primitive_info->method]);
5292 case ImagePrimitive:
5294 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5295 "ImagePrimitive %.20g,%.20g",(
double) x,(
double) y);
5298 case PointPrimitive:
5300 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5301 "PointPrimitive %.20g,%.20g %s",(
double) x,(
double) y,
5302 methods[primitive_info->method]);
5307 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5308 "TextPrimitive %.20g,%.20g",(
double) x,(
double) y);
5315 p=primitive_info[0].point;
5318 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5320 point=primitive_info[i].point;
5321 if (coordinates <= 0)
5323 coordinates=(ssize_t) primitive_info[i].coordinates;
5324 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5325 " begin open (%.20g)",(
double) coordinates);
5328 point=primitive_info[i].point;
5329 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5330 (fabs(q.y-point.y) >= MagickEpsilon))
5331 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5332 " %.20g: %.18g,%.18g",(
double) coordinates,point.x,point.y);
5334 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5335 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5338 if (coordinates > 0)
5340 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5341 (fabs(p.y-point.y) >= MagickEpsilon))
5342 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5343 (
double) coordinates);
5345 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5346 (
double) coordinates);
5350MagickExport MagickBooleanType DrawPrimitive(Image *image,
5351 const DrawInfo *draw_info,
const PrimitiveInfo *primitive_info,
5352 ExceptionInfo *exception)
5367 if (draw_info->debug != MagickFalse)
5369 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5370 " begin draw-primitive");
5371 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5372 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5373 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5374 draw_info->affine.tx,draw_info->affine.ty);
5377 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5378 ((IsPixelInfoGray(&draw_info->fill) == MagickFalse) ||
5379 (IsPixelInfoGray(&draw_info->stroke) == MagickFalse)))
5380 status&=(MagickStatusType) SetImageColorspace(image,sRGBColorspace,
5382 if (draw_info->compliance == SVGCompliance)
5384 status&=(MagickStatusType) SetImageMask(image,WritePixelMask,
5385 draw_info->clipping_mask,exception);
5386 status&=(MagickStatusType) SetImageMask(image,CompositePixelMask,
5387 draw_info->composite_mask,exception);
5389 x=CastDoubleToSsizeT(ceil(primitive_info->point.x-0.5));
5390 y=CastDoubleToSsizeT(ceil(primitive_info->point.y-0.5));
5391 image_view=AcquireAuthenticCacheView(image,exception);
5392 switch (primitive_info->primitive)
5394 case AlphaPrimitive:
5396 if ((image->alpha_trait & BlendPixelTrait) == 0)
5397 status&=(MagickStatusType) SetImageAlphaChannel(image,
5398 OpaqueAlphaChannel,exception);
5399 switch (primitive_info->method)
5410 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5411 if (q == (Quantum *) NULL)
5413 GetFillColor(draw_info,x,y,&pixel,exception);
5414 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5415 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5425 status&=(MagickStatusType) GetOneCacheViewVirtualPixelInfo(image_view,
5426 x,y,&target,exception);
5427 GetPixelInfo(image,&pixel);
5428 for (y=0; y < (ssize_t) image->rows; y++)
5433 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5435 if (q == (Quantum *) NULL)
5437 for (x=0; x < (ssize_t) image->columns; x++)
5439 GetPixelInfoPixel(image,q,&pixel);
5440 if (IsFuzzyEquivalencePixelInfo(&pixel,&target) == MagickFalse)
5442 q+=(ptrdiff_t) GetPixelChannels(image);
5445 GetFillColor(draw_info,x,y,&pixel,exception);
5446 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5447 q+=(ptrdiff_t) GetPixelChannels(image);
5449 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5451 if (status == MagickFalse)
5456 case FloodfillMethod:
5457 case FillToBorderMethod:
5465 status&=(MagickStatusType) GetOneVirtualPixelInfo(image,
5466 TileVirtualPixelMethod,x,y,&target,exception);
5467 if (primitive_info->method == FillToBorderMethod)
5469 target.red=(double) draw_info->border_color.red;
5470 target.green=(double) draw_info->border_color.green;
5471 target.blue=(double) draw_info->border_color.blue;
5473 channel_mask=SetImageChannelMask(image,AlphaChannel);
5474 status&=(MagickStatusType) FloodfillPaintImage(image,draw_info,
5475 &target,x,y,primitive_info->method == FloodfillMethod ?
5476 MagickFalse : MagickTrue,exception);
5477 (void) SetImageChannelMask(image,channel_mask);
5485 for (y=0; y < (ssize_t) image->rows; y++)
5490 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5492 if (q == (Quantum *) NULL)
5494 for (x=0; x < (ssize_t) image->columns; x++)
5496 GetFillColor(draw_info,x,y,&pixel,exception);
5497 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5498 q+=(ptrdiff_t) GetPixelChannels(image);
5500 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5502 if (status == MagickFalse)
5510 case ColorPrimitive:
5512 switch (primitive_info->method)
5523 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5524 if (q == (Quantum *) NULL)
5526 GetPixelInfo(image,&pixel);
5527 GetFillColor(draw_info,x,y,&pixel,exception);
5528 SetPixelViaPixelInfo(image,&pixel,q);
5529 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5539 status&=(MagickStatusType) GetOneCacheViewVirtualPixelInfo(image_view,
5540 x,y,&target,exception);
5541 for (y=0; y < (ssize_t) image->rows; y++)
5546 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5548 if (q == (Quantum *) NULL)
5550 for (x=0; x < (ssize_t) image->columns; x++)
5552 GetPixelInfoPixel(image,q,&pixel);
5553 if (IsFuzzyEquivalencePixelInfo(&pixel,&target) == MagickFalse)
5555 q+=(ptrdiff_t) GetPixelChannels(image);
5558 GetFillColor(draw_info,x,y,&pixel,exception);
5559 SetPixelViaPixelInfo(image,&pixel,q);
5560 q+=(ptrdiff_t) GetPixelChannels(image);
5562 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5564 if (status == MagickFalse)
5569 case FloodfillMethod:
5570 case FillToBorderMethod:
5575 status&=(MagickStatusType) GetOneVirtualPixelInfo(image,
5576 TileVirtualPixelMethod,x,y,&target,exception);
5577 if (primitive_info->method == FillToBorderMethod)
5579 target.red=(double) draw_info->border_color.red;
5580 target.green=(double) draw_info->border_color.green;
5581 target.blue=(double) draw_info->border_color.blue;
5583 status&=(MagickStatusType) FloodfillPaintImage(image,draw_info,
5584 &target,x,y,primitive_info->method == FloodfillMethod ?
5585 MagickFalse : MagickTrue,exception);
5593 GetPixelInfo(image,&pixel);
5594 for (y=0; y < (ssize_t) image->rows; y++)
5599 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5601 if (q == (Quantum *) NULL)
5603 for (x=0; x < (ssize_t) image->columns; x++)
5605 GetFillColor(draw_info,x,y,&pixel,exception);
5606 SetPixelViaPixelInfo(image,&pixel,q);
5607 q+=(ptrdiff_t) GetPixelChannels(image);
5609 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5611 if (status == MagickFalse)
5619 case ImagePrimitive:
5625 composite_geometry[MagickPathExtent];
5641 if (primitive_info->text == (
char *) NULL)
5643 clone_info=AcquireImageInfo();
5644 composite_images=(Image *) NULL;
5645 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5646 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5649 if (*primitive_info->text !=
'\0')
5663 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5665 (void) SetImageInfo(clone_info,1,exception);
5666 option=GetImageOption(clone_info,
"svg:embedding");
5667 if ((option == (
char *) NULL) &&
5668 (IsStringTrue(option) == MagickFalse))
5673 magick_info=GetMagickInfo(clone_info->magick,exception);
5674 if ((magick_info != (
const MagickInfo*) NULL) &&
5675 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5677 (void) ThrowMagickException(exception,GetMagickModule(),
5678 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5679 clone_info->filename);
5680 clone_info=DestroyImageInfo(clone_info);
5684 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5686 if (clone_info->size != (
char *) NULL)
5687 clone_info->size=DestroyString(clone_info->size);
5688 if (clone_info->extract != (
char *) NULL)
5689 clone_info->extract=DestroyString(clone_info->extract);
5690 path_status=GetPathAttributes(clone_info->filename,&attributes);
5691 if (path_status != MagickFalse)
5693 if (S_ISCHR(attributes.st_mode) == 0)
5694 composite_images=ReadImage(clone_info,exception);
5696 (
void) ThrowMagickException(exception,GetMagickModule(),
5697 FileOpenError,
"UnableToOpenFile",
"`%s'",
5698 clone_info->filename);
5701 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5702 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5703 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5704 (LocaleCompare(clone_info->magick,
"vid") != 0))
5705 composite_images=ReadImage(clone_info,exception);
5707 (
void) ThrowMagickException(exception,GetMagickModule(),
5708 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5710 clone_info=DestroyImageInfo(clone_info);
5711 if (composite_images == (Image *) NULL)
5716 composite_image=RemoveFirstImageFromList(&composite_images);
5717 composite_images=DestroyImageList(composite_images);
5718 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5719 NULL,(
void *) NULL);
5720 x1=CastDoubleToSsizeT(ceil(primitive_info[1].point.x-0.5));
5721 y1=CastDoubleToSsizeT(ceil(primitive_info[1].point.y-0.5));
5722 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5723 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5728 (void) FormatLocaleString(composite_geometry,MagickPathExtent,
5729 "%gx%g!",primitive_info[1].point.x,primitive_info[1].point.y);
5730 composite_image->filter=image->filter;
5731 status&=(MagickStatusType) TransformImage(&composite_image,
5732 (
char *) NULL,composite_geometry,exception);
5734 if (composite_image->alpha_trait == UndefinedPixelTrait)
5735 status&=(MagickStatusType) SetImageAlphaChannel(composite_image,
5736 OpaqueAlphaChannel,exception);
5737 if (draw_info->alpha != OpaqueAlpha)
5738 status&=(MagickStatusType) SetImageAlpha(composite_image,
5739 draw_info->alpha,exception);
5740 SetGeometry(image,&geometry);
5741 image->gravity=draw_info->gravity;
5744 (void) FormatLocaleString(composite_geometry,MagickPathExtent,
5745 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(
double)
5746 composite_image->rows,(
double) geometry.x,(
double) geometry.y);
5747 (void) ParseGravityGeometry(image,composite_geometry,&geometry,exception);
5748 affine=draw_info->affine;
5749 affine.tx=(double) geometry.x;
5750 affine.ty=(double) geometry.y;
5751 composite_image->interpolate=image->interpolate;
5752 if ((draw_info->compose == OverCompositeOp) ||
5753 (draw_info->compose == SrcOverCompositeOp))
5754 status&=(MagickStatusType) DrawAffineImage(image,composite_image,
5757 status&=(MagickStatusType) CompositeImage(image,composite_image,
5758 draw_info->compose,MagickTrue,geometry.x,geometry.y,exception);
5759 composite_image=DestroyImage(composite_image);
5762 case PointPrimitive:
5770 if ((y < 0) || (y >= (ssize_t) image->rows))
5772 if ((x < 0) || (x >= (ssize_t) image->columns))
5774 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5775 if (q == (Quantum *) NULL)
5777 GetFillColor(draw_info,x,y,&fill_color,exception);
5778 CompositePixelOver(image,&fill_color,(
double) fill_color.alpha,q,(
double)
5779 GetPixelAlpha(image,q),q);
5780 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5787 geometry[MagickPathExtent];
5792 if (primitive_info->text == (
char *) NULL)
5794 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
5795 (void) CloneString(&clone_info->text,primitive_info->text);
5796 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
5797 primitive_info->point.x,primitive_info->point.y);
5798 (void) CloneString(&clone_info->geometry,geometry);
5799 status&=(MagickStatusType) AnnotateImage(image,clone_info,exception);
5800 clone_info=DestroyDrawInfo(clone_info);
5812 if (IsEventLogging() != MagickFalse)
5813 LogPrimitiveInfo(primitive_info);
5814 scale=ExpandAffine(&draw_info->affine);
5815 if ((draw_info->dash_pattern != (
double *) NULL) &&
5816 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5817 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5818 (draw_info->stroke.alpha != (
double) TransparentAlpha))
5823 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
5824 clone_info->stroke_width=0.0;
5825 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5826 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5827 primitive_info,exception);
5828 clone_info=DestroyDrawInfo(clone_info);
5829 if (status != MagickFalse)
5830 status&=(MagickStatusType) DrawDashPolygon(draw_info,primitive_info,
5834 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5836 ((draw_info->stroke.alpha != (
double) TransparentAlpha) ||
5837 (draw_info->stroke_pattern != (Image *) NULL)))
5849 closed_path=primitive_info[0].closed_subpath;
5850 i=(ssize_t) primitive_info[0].coordinates;
5851 point_x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5852 point_y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5853 if ((point_x < MagickEpsilon) && (point_y < MagickEpsilon))
5854 closed_path=MagickTrue;
5855 if ((((draw_info->linecap == RoundCap) ||
5856 (closed_path != MagickFalse)) &&
5857 (draw_info->linejoin == RoundJoin)) ||
5858 (primitive_info[i].primitive != UndefinedPrimitive))
5860 status&=(MagickStatusType) DrawPolygonPrimitive(image,draw_info,
5861 primitive_info,exception);
5864 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
5865 clone_info->stroke_width=0.0;
5866 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5867 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5868 primitive_info,exception);
5869 clone_info=DestroyDrawInfo(clone_info);
5870 if (status != MagickFalse)
5871 status&=(MagickStatusType) DrawStrokePolygon(image,draw_info,
5872 primitive_info,exception);
5875 status&=(MagickStatusType) DrawPolygonPrimitive(image,draw_info,
5876 primitive_info,exception);
5880 image_view=DestroyCacheView(image_view);
5881 if (draw_info->compliance == SVGCompliance)
5883 status&=(MagickStatusType) SetImageMask(image,WritePixelMask,
5884 (Image *) NULL,exception);
5885 status&=(MagickStatusType) SetImageMask(image,CompositePixelMask,
5886 (Image *) NULL,exception);
5888 if (draw_info->debug != MagickFalse)
5889 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5890 return(status != 0 ? MagickTrue : MagickFalse);
5923static MagickBooleanType DrawRoundLinecap(Image *image,
5924 const DrawInfo *draw_info,
const PrimitiveInfo *primitive_info,
5925 ExceptionInfo *exception)
5933 for (i=0; i < 4; i++)
5934 linecap[i]=(*primitive_info);
5935 linecap[0].coordinates=4;
5936 linecap[1].point.x+=2.0*MagickEpsilon;
5937 linecap[2].point.x+=2.0*MagickEpsilon;
5938 linecap[2].point.y+=2.0*MagickEpsilon;
5939 linecap[3].point.y+=2.0*MagickEpsilon;
5940 linecap[4].primitive=UndefinedPrimitive;
5941 return(DrawPolygonPrimitive(image,draw_info,linecap,exception));
5944static MagickBooleanType DrawStrokePolygon(Image *image,
5945 const DrawInfo *draw_info,
const PrimitiveInfo *primitive_info,
5946 ExceptionInfo *exception)
5967 if (draw_info->debug != MagickFalse)
5968 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5969 " begin draw-stroke-polygon");
5970 clone_info=CloneDrawInfo((ImageInfo *) NULL,draw_info);
5971 clone_info->fill=draw_info->stroke;
5972 if (clone_info->fill_pattern != (Image *) NULL)
5973 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5974 if (clone_info->stroke_pattern != (Image *) NULL)
5975 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5976 MagickTrue,exception);
5977 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5978 clone_info->stroke_width=0.0;
5979 clone_info->fill_rule=NonZeroRule;
5981 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=(ptrdiff_t) p->coordinates)
5983 if (p->coordinates == 1)
5985 stroke_polygon=TraceStrokePolygon(draw_info,p,exception);
5986 if (stroke_polygon == (PrimitiveInfo *) NULL)
5991 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5992 stroke_polygon,exception);
5993 stroke_polygon=(PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5996 q=p+p->coordinates-1;
5997 closed_path=p->closed_subpath;
5998 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
6000 status&=(MagickStatusType) DrawRoundLinecap(image,draw_info,p,
6002 status&=(MagickStatusType) DrawRoundLinecap(image,draw_info,q,
6006 clone_info=DestroyDrawInfo(clone_info);
6007 if (draw_info->debug != MagickFalse)
6008 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
6009 " end draw-stroke-polygon");
6010 return(status != 0 ? MagickTrue : MagickFalse);
6036MagickExport
void GetAffineMatrix(AffineMatrix *affine_matrix)
6038 if (IsEventLogging() != MagickFalse)
6039 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
6040 assert(affine_matrix != (AffineMatrix *) NULL);
6041 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
6042 affine_matrix->sx=1.0;
6043 affine_matrix->sy=1.0;
6070MagickExport
void GetDrawInfo(
const ImageInfo *image_info,DrawInfo *draw_info)
6084 assert(draw_info != (DrawInfo *) NULL);
6085 if (IsEventLogging() != MagickFalse)
6086 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
6087 (void) memset(draw_info,0,
sizeof(*draw_info));
6088 draw_info->image_info=CloneImageInfo(image_info);
6089 GetAffineMatrix(&draw_info->affine);
6090 exception=AcquireExceptionInfo();
6091 (void) QueryColorCompliance(
"#000F",AllCompliance,&draw_info->fill,
6093 (void) QueryColorCompliance(
"#FFF0",AllCompliance,&draw_info->stroke,
6095 draw_info->stroke_antialias=draw_info->image_info->antialias;
6096 draw_info->stroke_width=1.0;
6097 draw_info->fill_rule=EvenOddRule;
6098 draw_info->alpha=OpaqueAlpha;
6099 draw_info->fill_alpha=OpaqueAlpha;
6100 draw_info->stroke_alpha=OpaqueAlpha;
6101 draw_info->linecap=ButtCap;
6102 draw_info->linejoin=MiterJoin;
6103 draw_info->miterlimit=10;
6104 draw_info->decorate=NoDecoration;
6105 draw_info->pointsize=12.0;
6106 draw_info->undercolor.alpha=(MagickRealType) TransparentAlpha;
6107 draw_info->compose=OverCompositeOp;
6108 draw_info->render=MagickTrue;
6109 draw_info->clip_path=MagickFalse;
6110 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
6111 MagickTrue : MagickFalse;
6112 if (draw_info->image_info->font != (
char *) NULL)
6113 draw_info->font=AcquireString(draw_info->image_info->font);
6114 if (draw_info->image_info->density != (
char *) NULL)
6115 draw_info->density=AcquireString(draw_info->image_info->density);
6116 draw_info->text_antialias=draw_info->image_info->antialias;
6117 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
6118 draw_info->pointsize=draw_info->image_info->pointsize;
6119 draw_info->border_color=draw_info->image_info->border_color;
6120 if (draw_info->image_info->server_name != (
char *) NULL)
6121 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
6122 option=GetImageOption(draw_info->image_info,
"direction");
6123 if (option != (
const char *) NULL)
6124 draw_info->direction=(DirectionType) ParseCommandOption(
6125 MagickDirectionOptions,MagickFalse,option);
6127 draw_info->direction=UndefinedDirection;
6128 option=GetImageOption(draw_info->image_info,
"encoding");
6129 if (option != (
const char *) NULL)
6130 (void) CloneString(&draw_info->encoding,option);
6131 option=GetImageOption(draw_info->image_info,
"family");
6132 if (option != (
const char *) NULL)
6133 (void) CloneString(&draw_info->family,option);
6134 option=GetImageOption(draw_info->image_info,
"fill");
6135 if (option != (
const char *) NULL)
6136 (void) QueryColorCompliance(option,AllCompliance,&draw_info->fill,
6138 option=GetImageOption(draw_info->image_info,
"gravity");
6139 if (option != (
const char *) NULL)
6140 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
6141 MagickFalse,option);
6142 option=GetImageOption(draw_info->image_info,
"interline-spacing");
6143 if (option != (
const char *) NULL)
6144 draw_info->interline_spacing=GetDrawValue(option,&next_token);
6145 option=GetImageOption(draw_info->image_info,
"interword-spacing");
6146 if (option != (
const char *) NULL)
6147 draw_info->interword_spacing=GetDrawValue(option,&next_token);
6148 option=GetImageOption(draw_info->image_info,
"kerning");
6149 if (option != (
const char *) NULL)
6150 draw_info->kerning=GetDrawValue(option,&next_token);
6151 option=GetImageOption(draw_info->image_info,
"stroke");
6152 if (option != (
const char *) NULL)
6153 (void) QueryColorCompliance(option,AllCompliance,&draw_info->stroke,
6155 option=GetImageOption(draw_info->image_info,
"strokewidth");
6156 if (option != (
const char *) NULL)
6157 draw_info->stroke_width=GetDrawValue(option,&next_token);
6158 option=GetImageOption(draw_info->image_info,
"style");
6159 if (option != (
const char *) NULL)
6160 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6161 MagickFalse,option);
6162 option=GetImageOption(draw_info->image_info,
"undercolor");
6163 if (option != (
const char *) NULL)
6164 (void) QueryColorCompliance(option,AllCompliance,&draw_info->undercolor,
6166 option=GetImageOption(draw_info->image_info,
"weight");
6167 if (option != (
const char *) NULL)
6172 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6174 weight=(ssize_t) StringToUnsignedLong(option);
6175 draw_info->weight=(size_t) weight;
6177 option=GetImageOption(draw_info->image_info,
"word-break");
6178 if (option != (
const char *) NULL)
6179 draw_info->word_break=(WordBreakType) ParseCommandOption(
6180 MagickWordBreakOptions,MagickFalse,option);
6181 exception=DestroyExceptionInfo(exception);
6182 draw_info->signature=MagickCoreSignature;
6210static inline double Permutate(
const ssize_t n,
const ssize_t k)
6219 for (i=k+1; i <= n; i++)
6221 for (i=1; i <= (n-k); i++)
6242static MagickBooleanType TraceArc(MVGInfo *mvg_info,
const PointInfo start,
6243 const PointInfo end,
const PointInfo degrees)
6249 center.x=0.5*(end.x+start.x);
6250 center.y=0.5*(end.y+start.y);
6251 radius.x=fabs(center.x-start.x);
6252 radius.y=fabs(center.y-start.y);
6253 return(TraceEllipse(mvg_info,center,radius,degrees));
6256static MagickBooleanType TraceArcPath(MVGInfo *mvg_info,
const PointInfo start,
6257 const PointInfo end,
const PointInfo arc,
const double angle,
6258 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6295 offset=mvg_info->offset;
6296 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6297 primitive_info->coordinates=0;
6298 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6299 (fabs(start.y-end.y) < MagickEpsilon))
6300 return(TracePoint(primitive_info,end));
6301 radii.x=fabs(arc.x);
6302 radii.y=fabs(arc.y);
6303 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6304 return(TraceLine(primitive_info,start,end));
6305 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6306 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6307 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6308 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6309 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6311 if (delta < MagickEpsilon)
6312 return(TraceLine(primitive_info,start,end));
6315 radii.x*=sqrt((
double) delta);
6316 radii.y*=sqrt((
double) delta);
6318 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6319 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6320 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6321 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6322 alpha=points[1].x-points[0].x;
6323 beta=points[1].y-points[0].y;
6324 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6325 return(TraceLine(primitive_info,start,end));
6326 factor=MagickSafeReciprocal(alpha*alpha+beta*beta)-0.25;
6331 factor=sqrt((
double) factor);
6332 if (sweep == large_arc)
6335 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6336 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6337 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6338 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6339 if ((theta < 0.0) && (sweep != MagickFalse))
6340 theta+=2.0*MagickPI;
6342 if ((theta > 0.0) && (sweep == MagickFalse))
6343 theta-=2.0*MagickPI;
6344 arc_segments=(size_t) CastDoubleToSsizeT(ceil(fabs((
double) (theta/(0.5*
6345 MagickPI+MagickEpsilon)))));
6348 for (i=0; i < (ssize_t) arc_segments; i++)
6350 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6351 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6352 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6353 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6354 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6355 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6356 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6357 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6358 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6359 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6360 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) (i+1)*
6361 theta/arc_segments),DegreesToRadians(360.0))));
6362 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) (i+1)*
6363 theta/arc_segments),DegreesToRadians(360.0))));
6364 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(
double)
6365 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6366 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(
double)
6367 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6368 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6369 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6370 (p+1)->point.x=(double) (cosine*radii.x*points[0].x-sine*radii.y*
6372 (p+1)->point.y=(double) (sine*radii.x*points[0].x+cosine*radii.y*
6374 (p+2)->point.x=(double) (cosine*radii.x*points[1].x-sine*radii.y*
6376 (p+2)->point.y=(double) (sine*radii.x*points[1].x+cosine*radii.y*
6378 (p+3)->point.x=(double) (cosine*radii.x*points[2].x-sine*radii.y*
6380 (p+3)->point.y=(double) (sine*radii.x*points[2].x+cosine*radii.y*
6382 if (i == (ssize_t) (arc_segments-1))
6384 status&=(MagickStatusType) TraceBezier(mvg_info,4);
6387 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
6388 mvg_info->offset+=(ssize_t) p->coordinates;
6389 p+=(ptrdiff_t) p->coordinates;
6392 return(MagickFalse);
6393 mvg_info->offset=offset;
6394 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6395 primitive_info->coordinates=(size_t) (p-primitive_info);
6396 primitive_info->closed_subpath=MagickFalse;
6397 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6399 p->primitive=primitive_info->primitive;
6405static MagickBooleanType TraceBezier(MVGInfo *mvg_info,
6406 const size_t number_coordinates)
6435 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6436 quantum=number_coordinates;
6437 for (i=0; i < (ssize_t) number_coordinates; i++)
6439 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6441 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6442 if (alpha > (
double) MAGICK_SSIZE_MAX)
6444 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6445 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6446 return(MagickFalse);
6448 if (alpha > (
double) quantum)
6449 quantum=(size_t) alpha;
6450 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6451 if (alpha > (
double) MAGICK_SSIZE_MAX)
6453 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6454 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6455 return(MagickFalse);
6457 if (alpha > (
double) quantum)
6458 quantum=(size_t) alpha;
6461 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6462 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6463 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6464 sizeof(*coefficients));
6465 points=(PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6467 if ((coefficients == (
double *) NULL) || (points == (PointInfo *) NULL))
6469 if (points != (PointInfo *) NULL)
6470 points=(PointInfo *) RelinquishMagickMemory(points);
6471 if (coefficients != (
double *) NULL)
6472 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6473 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6474 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6475 return(MagickFalse);
6477 control_points=quantum*number_coordinates;
6478 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6480 points=(PointInfo *) RelinquishMagickMemory(points);
6481 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6482 return(MagickFalse);
6484 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6488 end=primitive_info[number_coordinates-1].point;
6489 for (i=0; i < (ssize_t) number_coordinates; i++)
6490 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6492 for (i=0; i < (ssize_t) control_points; i++)
6497 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6498 for (j=0; j < (ssize_t) number_coordinates; j++)
6500 point.x+=alpha*coefficients[j]*p->point.x;
6501 point.y+=alpha*coefficients[j]*p->point.y;
6502 alpha*=weight/(1.0-weight);
6506 weight+=1.0/control_points;
6512 for (i=0; i < (ssize_t) control_points; i++)
6514 if (TracePoint(p,points[i]) == MagickFalse)
6516 points=(PointInfo *) RelinquishMagickMemory(points);
6517 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6518 return(MagickFalse);
6520 p+=(ptrdiff_t) p->coordinates;
6522 if (TracePoint(p,end) == MagickFalse)
6524 points=(PointInfo *) RelinquishMagickMemory(points);
6525 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6526 return(MagickFalse);
6528 p+=(ptrdiff_t) p->coordinates;
6529 primitive_info->coordinates=(size_t) (p-primitive_info);
6530 primitive_info->closed_subpath=MagickFalse;
6531 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6533 p->primitive=primitive_info->primitive;
6536 points=(PointInfo *) RelinquishMagickMemory(points);
6537 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6541static MagickBooleanType TraceCircle(MVGInfo *mvg_info,
const PointInfo start,
6542 const PointInfo end)
6553 alpha=end.x-start.x;
6555 radius=hypot((
double) alpha,(
double) beta);
6556 offset.x=(double) radius;
6557 offset.y=(double) radius;
6560 return(TraceEllipse(mvg_info,start,offset,degrees));
6563static MagickBooleanType TraceEllipse(MVGInfo *mvg_info,
const PointInfo center,
6564 const PointInfo radii,
const PointInfo arc)
6589 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6590 primitive_info->coordinates=0;
6591 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6593 delta=MagickSafeReciprocal(MagickMax(radii.x,radii.y));
6594 step=MagickPI/(MagickPI*MagickSafeReciprocal(delta))/8.0;
6595 angle.x=DegreesToRadians(arc.x);
6599 angle.y=DegreesToRadians(y);
6600 coordinates=ceil((angle.y-angle.x)/step+1.0);
6601 if (CheckPrimitiveExtent(mvg_info,coordinates+1) == MagickFalse)
6602 return(MagickFalse);
6604 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6605 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6607 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6608 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6609 if (i++ >= (ssize_t) coordinates)
6611 if (TracePoint(p,point) == MagickFalse)
6612 return(MagickFalse);
6613 p+=(ptrdiff_t) p->coordinates;
6615 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6616 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6617 if (TracePoint(p,point) == MagickFalse)
6618 return(MagickFalse);
6619 p+=(ptrdiff_t) p->coordinates;
6620 primitive_info->coordinates=(size_t) (p-primitive_info);
6621 primitive_info->closed_subpath=MagickFalse;
6622 x=fabs(primitive_info[0].point.x-
6623 primitive_info[primitive_info->coordinates-1].point.x);
6624 y=fabs(primitive_info[0].point.y-
6625 primitive_info[primitive_info->coordinates-1].point.y);
6626 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6627 primitive_info->closed_subpath=MagickTrue;
6628 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6630 p->primitive=primitive_info->primitive;
6636static MagickBooleanType TraceLine(PrimitiveInfo *primitive_info,
6637 const PointInfo start,
const PointInfo end)
6639 if (TracePoint(primitive_info,start) == MagickFalse)
6640 return(MagickFalse);
6641 if (TracePoint(primitive_info+1,end) == MagickFalse)
6642 return(MagickFalse);
6643 (primitive_info+1)->primitive=primitive_info->primitive;
6644 primitive_info->coordinates=2;
6645 primitive_info->closed_subpath=MagickFalse;
6649static ssize_t TracePath(MVGInfo *mvg_info,
const char *path,
6650 ExceptionInfo *exception)
6654 token[MagickPathExtent] =
"";
6672 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6695 subpath_offset=mvg_info->offset;
6696 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6699 number_coordinates=0;
6701 primitive_type=primitive_info->primitive;
6703 for (p=path; *p !=
'\0'; )
6705 if (status == MagickFalse)
6707 while (isspace((
int) ((
unsigned char) *p)) != 0)
6711 last_attribute=attribute;
6712 attribute=(int) (*p++);
6722 large_arc = MagickFalse,
6723 sweep = MagickFalse;
6733 (void) GetNextToken(p,&p,MagickPathExtent,token);
6735 (void) GetNextToken(p,&p,MagickPathExtent,token);
6736 arc.x=GetDrawValue(token,&next_token);
6737 if (token == next_token)
6738 ThrowPointExpectedException(token,exception);
6739 (void) GetNextToken(p,&p,MagickPathExtent,token);
6741 (void) GetNextToken(p,&p,MagickPathExtent,token);
6742 arc.y=GetDrawValue(token,&next_token);
6743 if (token == next_token)
6744 ThrowPointExpectedException(token,exception);
6745 (void) GetNextToken(p,&p,MagickPathExtent,token);
6747 (void) GetNextToken(p,&p,MagickPathExtent,token);
6748 angle=GetDrawValue(token,&next_token);
6749 if (token == next_token)
6750 ThrowPointExpectedException(token,exception);
6751 (void) GetNextToken(p,&p,MagickPathExtent,token);
6753 (void) GetNextToken(p,&p,MagickPathExtent,token);
6754 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6755 (void) GetNextToken(p,&p,MagickPathExtent,token);
6757 (void) GetNextToken(p,&p,MagickPathExtent,token);
6758 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6760 (void) GetNextToken(p,&p,MagickPathExtent,token);
6761 (void) GetNextToken(p,&p,MagickPathExtent,token);
6763 (void) GetNextToken(p,&p,MagickPathExtent,token);
6764 x=GetDrawValue(token,&next_token);
6765 if (token == next_token)
6766 ThrowPointExpectedException(token,exception);
6767 (void) GetNextToken(p,&p,MagickPathExtent,token);
6769 (void) GetNextToken(p,&p,MagickPathExtent,token);
6770 y=GetDrawValue(token,&next_token);
6771 if (token == next_token)
6772 ThrowPointExpectedException(token,exception);
6773 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6774 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6775 if (TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep) == MagickFalse)
6777 q=(*mvg_info->primitive_info)+mvg_info->offset;
6778 mvg_info->offset+=(ssize_t) q->coordinates;
6779 q+=(ptrdiff_t) q->coordinates;
6781 while (isspace((
int) ((
unsigned char) *p)) != 0)
6785 }
while (IsPoint(p) != MagickFalse);
6797 for (i=1; i < 4; i++)
6799 (void) GetNextToken(p,&p,MagickPathExtent,token);
6801 (void) GetNextToken(p,&p,MagickPathExtent,token);
6802 x=GetDrawValue(token,&next_token);
6803 if (token == next_token)
6804 ThrowPointExpectedException(token,exception);
6805 (void) GetNextToken(p,&p,MagickPathExtent,token);
6807 (void) GetNextToken(p,&p,MagickPathExtent,token);
6808 y=GetDrawValue(token,&next_token);
6809 if (token == next_token)
6810 ThrowPointExpectedException(token,exception);
6811 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6812 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6815 for (i=0; i < 4; i++)
6816 (q+i)->point=points[i];
6817 if (TraceBezier(mvg_info,4) == MagickFalse)
6819 q=(*mvg_info->primitive_info)+mvg_info->offset;
6820 mvg_info->offset+=(ssize_t) q->coordinates;
6821 q+=(ptrdiff_t) q->coordinates;
6823 while (isspace((
int) ((
unsigned char) *p)) != 0)
6827 }
while (IsPoint(p) != MagickFalse);
6835 (void) GetNextToken(p,&p,MagickPathExtent,token);
6837 (void) GetNextToken(p,&p,MagickPathExtent,token);
6838 x=GetDrawValue(token,&next_token);
6839 if (token == next_token)
6840 ThrowPointExpectedException(token,exception);
6841 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6842 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6844 q=(*mvg_info->primitive_info)+mvg_info->offset;
6845 if (TracePoint(q,point) == MagickFalse)
6847 mvg_info->offset+=(ssize_t) q->coordinates;
6848 q+=(ptrdiff_t) q->coordinates;
6849 while (isspace((
int) ((
unsigned char) *p)) != 0)
6853 }
while (IsPoint(p) != MagickFalse);
6864 (void) GetNextToken(p,&p,MagickPathExtent,token);
6866 (void) GetNextToken(p,&p,MagickPathExtent,token);
6867 x=GetDrawValue(token,&next_token);
6868 if (token == next_token)
6869 ThrowPointExpectedException(token,exception);
6870 (void) GetNextToken(p,&p,MagickPathExtent,token);
6872 (void) GetNextToken(p,&p,MagickPathExtent,token);
6873 y=GetDrawValue(token,&next_token);
6874 if (token == next_token)
6875 ThrowPointExpectedException(token,exception);
6876 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6877 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6878 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6880 q=(*mvg_info->primitive_info)+mvg_info->offset;
6881 if (TracePoint(q,point) == MagickFalse)
6883 mvg_info->offset+=(ssize_t) q->coordinates;
6884 q+=(ptrdiff_t) q->coordinates;
6885 while (isspace((
int) ((
unsigned char) *p)) != 0)
6889 }
while (IsPoint(p) != MagickFalse);
6898 if (mvg_info->offset != subpath_offset)
6900 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6901 primitive_info->coordinates=(size_t) (q-primitive_info);
6902 number_coordinates+=primitive_info->coordinates;
6904 subpath_offset=mvg_info->offset;
6909 (void) GetNextToken(p,&p,MagickPathExtent,token);
6911 (void) GetNextToken(p,&p,MagickPathExtent,token);
6912 x=GetDrawValue(token,&next_token);
6913 if (token == next_token)
6914 ThrowPointExpectedException(token,exception);
6915 (void) GetNextToken(p,&p,MagickPathExtent,token);
6917 (void) GetNextToken(p,&p,MagickPathExtent,token);
6918 y=GetDrawValue(token,&next_token);
6919 if (token == next_token)
6920 ThrowPointExpectedException(token,exception);
6921 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6922 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6926 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6928 q=(*mvg_info->primitive_info)+mvg_info->offset;
6929 if (TracePoint(q,point) == MagickFalse)
6931 mvg_info->offset+=(ssize_t) q->coordinates;
6932 q+=(ptrdiff_t) q->coordinates;
6933 while (isspace((
int) ((
unsigned char) *p)) != 0)
6937 }
while (IsPoint(p) != MagickFalse);
6949 for (i=1; i < 3; i++)
6951 (void) GetNextToken(p,&p,MagickPathExtent,token);
6953 (void) GetNextToken(p,&p,MagickPathExtent,token);
6954 x=GetDrawValue(token,&next_token);
6955 if (token == next_token)
6956 ThrowPointExpectedException(token,exception);
6957 (void) GetNextToken(p,&p,MagickPathExtent,token);
6959 (void) GetNextToken(p,&p,MagickPathExtent,token);
6960 y=GetDrawValue(token,&next_token);
6961 if (token == next_token)
6962 ThrowPointExpectedException(token,exception);
6965 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6966 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6969 for (i=0; i < 3; i++)
6970 (q+i)->point=points[i];
6971 if (TraceBezier(mvg_info,3) == MagickFalse)
6973 q=(*mvg_info->primitive_info)+mvg_info->offset;
6974 mvg_info->offset+=(ssize_t) q->coordinates;
6975 q+=(ptrdiff_t) q->coordinates;
6977 while (isspace((
int) ((
unsigned char) *p)) != 0)
6981 }
while (IsPoint(p) != MagickFalse);
6992 points[0]=points[3];
6993 points[1].x=2.0*points[3].x-points[2].x;
6994 points[1].y=2.0*points[3].y-points[2].y;
6995 for (i=2; i < 4; i++)
6997 (void) GetNextToken(p,&p,MagickPathExtent,token);
6999 (void) GetNextToken(p,&p,MagickPathExtent,token);
7000 x=GetDrawValue(token,&next_token);
7001 if (token == next_token)
7002 ThrowPointExpectedException(token,exception);
7003 (void) GetNextToken(p,&p,MagickPathExtent,token);
7005 (void) GetNextToken(p,&p,MagickPathExtent,token);
7006 y=GetDrawValue(token,&next_token);
7007 if (token == next_token)
7008 ThrowPointExpectedException(token,exception);
7011 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
7012 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
7015 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
7020 for (i=0; i < 4; i++)
7021 (q+i)->point=points[i];
7022 if (TraceBezier(mvg_info,4) == MagickFalse)
7024 q=(*mvg_info->primitive_info)+mvg_info->offset;
7025 mvg_info->offset+=(ssize_t) q->coordinates;
7026 q+=(ptrdiff_t) q->coordinates;
7028 last_attribute=attribute;
7029 while (isspace((
int) ((
unsigned char) *p)) != 0)
7033 }
while (IsPoint(p) != MagickFalse);
7044 points[0]=points[2];
7045 points[1].x=2.0*points[2].x-points[1].x;
7046 points[1].y=2.0*points[2].y-points[1].y;
7047 for (i=2; i < 3; i++)
7049 (void) GetNextToken(p,&p,MagickPathExtent,token);
7051 (void) GetNextToken(p,&p,MagickPathExtent,token);
7052 x=GetDrawValue(token,&next_token);
7053 if (token == next_token)
7054 ThrowPointExpectedException(token,exception);
7055 (void) GetNextToken(p,&p,MagickPathExtent,token);
7057 (void) GetNextToken(p,&p,MagickPathExtent,token);
7058 y=GetDrawValue(token,&next_token);
7059 if (token == next_token)
7060 ThrowPointExpectedException(token,exception);
7061 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
7062 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
7065 if (status == MagickFalse)
7067 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
7072 for (i=0; i < 3; i++)
7073 (q+i)->point=points[i];
7074 if (TraceBezier(mvg_info,3) == MagickFalse)
7076 q=(*mvg_info->primitive_info)+mvg_info->offset;
7077 mvg_info->offset+=(ssize_t) q->coordinates;
7078 q+=(ptrdiff_t) q->coordinates;
7080 last_attribute=attribute;
7081 while (isspace((
int) ((
unsigned char) *p)) != 0)
7085 }
while (IsPoint(p) != MagickFalse);
7096 (void) GetNextToken(p,&p,MagickPathExtent,token);
7098 (void) GetNextToken(p,&p,MagickPathExtent,token);
7099 y=GetDrawValue(token,&next_token);
7100 if (token == next_token)
7101 ThrowPointExpectedException(token,exception);
7102 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
7103 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7105 q=(*mvg_info->primitive_info)+mvg_info->offset;
7106 if (TracePoint(q,point) == MagickFalse)
7108 mvg_info->offset+=(ssize_t) q->coordinates;
7109 q+=(ptrdiff_t) q->coordinates;
7110 while (isspace((
int) ((
unsigned char) *p)) != 0)
7114 }
while (IsPoint(p) != MagickFalse);
7124 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7126 q=(*mvg_info->primitive_info)+mvg_info->offset;
7127 if (TracePoint(q,point) == MagickFalse)
7129 mvg_info->offset+=(ssize_t) q->coordinates;
7130 q+=(ptrdiff_t) q->coordinates;
7131 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7132 primitive_info->coordinates=(size_t) (q-primitive_info);
7133 primitive_info->closed_subpath=MagickTrue;
7134 number_coordinates+=primitive_info->coordinates;
7136 subpath_offset=mvg_info->offset;
7142 ThrowPointExpectedException(token,exception);
7147 if (status == MagickFalse)
7149 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7150 primitive_info->coordinates=(size_t) (q-primitive_info);
7151 number_coordinates+=primitive_info->coordinates;
7152 for (i=0; i < (ssize_t) number_coordinates; i++)
7155 q->primitive=primitive_type;
7157 q->method=FillToBorderMethod;
7160 return((ssize_t) number_coordinates);
7163static MagickBooleanType TraceRectangle(PrimitiveInfo *primitive_info,
7164 const PointInfo start,
const PointInfo end)
7175 if ((fabs(start.x-end.x) < MagickEpsilon) ||
7176 (fabs(start.y-end.y) < MagickEpsilon))
7178 primitive_info->coordinates=0;
7182 if (TracePoint(p,start) == MagickFalse)
7183 return(MagickFalse);
7184 p+=(ptrdiff_t) p->coordinates;
7187 if (TracePoint(p,point) == MagickFalse)
7188 return(MagickFalse);
7189 p+=(ptrdiff_t) p->coordinates;
7190 if (TracePoint(p,end) == MagickFalse)
7191 return(MagickFalse);
7192 p+=(ptrdiff_t) p->coordinates;
7195 if (TracePoint(p,point) == MagickFalse)
7196 return(MagickFalse);
7197 p+=(ptrdiff_t) p->coordinates;
7198 if (TracePoint(p,start) == MagickFalse)
7199 return(MagickFalse);
7200 p+=(ptrdiff_t) p->coordinates;
7201 primitive_info->coordinates=(size_t) (p-primitive_info);
7202 primitive_info->closed_subpath=MagickTrue;
7203 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7205 p->primitive=primitive_info->primitive;
7211static MagickBooleanType TraceRoundRectangle(MVGInfo *mvg_info,
7212 const PointInfo start,
const PointInfo end,PointInfo arc)
7231 offset=mvg_info->offset;
7232 segment.x=fabs(end.x-start.x);
7233 segment.y=fabs(end.y-start.y);
7234 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7236 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7239 if (arc.x > (0.5*segment.x))
7240 arc.x=0.5*segment.x;
7241 if (arc.y > (0.5*segment.y))
7242 arc.y=0.5*segment.y;
7243 point.x=start.x+segment.x-arc.x;
7244 point.y=start.y+arc.y;
7247 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7248 return(MagickFalse);
7249 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7250 mvg_info->offset+=(ssize_t) p->coordinates;
7251 point.x=start.x+segment.x-arc.x;
7252 point.y=start.y+segment.y-arc.y;
7255 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7256 return(MagickFalse);
7257 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7258 mvg_info->offset+=(ssize_t) p->coordinates;
7259 point.x=start.x+arc.x;
7260 point.y=start.y+segment.y-arc.y;
7263 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7264 return(MagickFalse);
7265 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7266 mvg_info->offset+=(ssize_t) p->coordinates;
7267 point.x=start.x+arc.x;
7268 point.y=start.y+arc.y;
7271 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7272 return(MagickFalse);
7273 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7274 mvg_info->offset+=(ssize_t) p->coordinates;
7275 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7276 return(MagickFalse);
7277 p=(*mvg_info->primitive_info)+(ptrdiff_t) mvg_info->offset;
7278 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7279 return(MagickFalse);
7280 p+=(ptrdiff_t) p->coordinates;
7281 mvg_info->offset=offset;
7282 primitive_info=(*mvg_info->primitive_info)+offset;
7283 primitive_info->coordinates=(size_t) (p-primitive_info);
7284 primitive_info->closed_subpath=MagickTrue;
7285 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7287 p->primitive=primitive_info->primitive;
7293static MagickBooleanType TraceSquareLinecap(PrimitiveInfo *primitive_info,
7294 const size_t number_vertices,
const double offset)
7311 for (i=1; i < (ssize_t) number_vertices; i++)
7313 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7314 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7315 if ((fabs((
double) dx) >= MagickEpsilon) ||
7316 (fabs((
double) dy) >= MagickEpsilon))
7319 if (i == (ssize_t) number_vertices)
7320 i=(ssize_t) number_vertices-1L;
7321 distance=hypot((
double) dx,(
double) dy);
7322 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7323 dx*(distance+offset)/distance);
7324 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7325 dy*(distance+offset)/distance);
7326 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7328 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7329 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7330 if ((fabs((
double) dx) >= MagickEpsilon) ||
7331 (fabs((
double) dy) >= MagickEpsilon))
7334 distance=hypot((
double) dx,(
double) dy);
7335 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7336 dx*(distance+offset)/distance);
7337 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7338 dy*(distance+offset)/distance);
7342static PrimitiveInfo *TraceStrokePolygon(
const DrawInfo *draw_info,
7343 const PrimitiveInfo *primitive_info,ExceptionInfo *exception)
7345#define MaxStrokePad (6*BezierQuantum+360)
7346#define CheckPathExtent(pad_p,pad_q) \
7348 if ((pad_p) > MaxBezierCoordinates) \
7349 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7351 if ((p+(ptrdiff_t) (pad_p)) >= (ssize_t) extent_p) \
7353 if (~extent_p < (pad_p)) \
7354 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7357 extent_p+=(pad_p); \
7358 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7359 MaxStrokePad,sizeof(*stroke_p)); \
7362 if ((pad_q) > MaxBezierCoordinates) \
7363 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7365 if ((q+(ptrdiff_t) (pad_q)) >= (ssize_t) extent_q) \
7367 if (~extent_q < (pad_q)) \
7368 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7371 extent_q+=(pad_q); \
7372 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7373 MaxStrokePad,sizeof(*stroke_q)); \
7376 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7378 if (stroke_p != (PointInfo *) NULL) \
7379 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7380 if (stroke_q != (PointInfo *) NULL) \
7381 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7382 polygon_primitive=(PrimitiveInfo *) \
7383 RelinquishMagickMemory(polygon_primitive); \
7384 (void) ThrowMagickException(exception,GetMagickModule(), \
7385 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7386 return((PrimitiveInfo *) NULL); \
7390 typedef struct _StrokeSegment
7436 inverse_slope = {0.0, 0.0},
7443 number_vertices=primitive_info->coordinates;
7444 polygon_primitive=(PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7445 number_vertices+2UL,
sizeof(*polygon_primitive));
7446 if (polygon_primitive == (PrimitiveInfo *) NULL)
7448 (void) ThrowMagickException(exception,GetMagickModule(),
7449 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7450 return((PrimitiveInfo *) NULL);
7452 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7453 sizeof(*polygon_primitive));
7454 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7455 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7456 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7457 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7458 if ((draw_info->linejoin == RoundJoin) ||
7459 ((draw_info->linejoin == MiterJoin) && (closed_path != MagickFalse)))
7461 polygon_primitive[number_vertices]=primitive_info[1];
7464 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7468 closed_path=primitive_info[0].closed_subpath;
7471 for (n=1; n < (ssize_t) number_vertices; n++)
7473 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7474 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7475 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7478 if (n == (ssize_t) number_vertices)
7480 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7485 stroke_polygon=(PrimitiveInfo *) AcquireCriticalMemory(
7486 sizeof(*stroke_polygon));
7487 stroke_polygon[0]=polygon_primitive[0];
7488 stroke_polygon[0].coordinates=0;
7489 polygon_primitive=(PrimitiveInfo *) RelinquishMagickMemory(
7491 return(stroke_polygon);
7493 n=(ssize_t) number_vertices-1L;
7495 extent_p=2*number_vertices;
7496 extent_q=2*number_vertices;
7497 stroke_p=(PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7499 stroke_q=(PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7501 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL))
7503 if (stroke_p != (PointInfo *) NULL)
7504 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p);
7505 if (stroke_q != (PointInfo *) NULL)
7506 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q);
7507 polygon_primitive=(PrimitiveInfo *)
7508 RelinquishMagickMemory(polygon_primitive);
7509 (void) ThrowMagickException(exception,GetMagickModule(),
7510 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7511 return((PrimitiveInfo *) NULL);
7514 inverse_slope.p=0.0;
7515 if (fabs(dx.p) < MagickEpsilon)
7518 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7520 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7523 if (fabs(dy.p) < MagickEpsilon)
7526 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7528 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7533 inverse_slope.p=(-1.0*MagickSafeReciprocal(slope.p));
7535 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7536 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7537 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7538 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7539 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7540 offset.y=(double) (offset.x*inverse_slope.p);
7541 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7543 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7544 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7545 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7546 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7547 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7548 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7549 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7550 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7554 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7555 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7556 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7557 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7558 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7559 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7560 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7561 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7568 stroke_q[p++]=box_q[0];
7569 stroke_p[q++]=box_p[0];
7570 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7575 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7576 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7577 dot_product=dx.q*dx.q+dy.q*dy.q;
7578 if (dot_product < 0.25)
7581 inverse_slope.q=0.0;
7582 if (fabs(dx.q) < MagickEpsilon)
7585 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7587 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7590 if (fabs(dy.q) < MagickEpsilon)
7593 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7595 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7600 inverse_slope.q=(-1.0*MagickSafeReciprocal(slope.q));
7602 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7603 offset.y=(double) (offset.x*inverse_slope.q);
7604 dot_product=dy.q*offset.x-dx.q*offset.y;
7605 if (dot_product > 0.0)
7607 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7608 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7609 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7610 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7611 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7612 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7613 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7614 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7618 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7619 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7620 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7621 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7622 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7623 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7624 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7625 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7627 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7634 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7635 box_p[3].y)/(slope.p-slope.q));
7636 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7637 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7638 box_q[3].y)/(slope.p-slope.q));
7639 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7641 DisableMSCWarning(4127)
7642 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7644 dot_product=dx.q*dy.p-dx.p*dy.q;
7645 if (dot_product <= 0.0)
7646 switch (draw_info->linejoin)
7650 stroke_q[q++]=box_q[1];
7651 stroke_q[q++]=box_q[2];
7652 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7653 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7654 if (dot_product <= miterlimit)
7655 stroke_p[p++]=box_p[4];
7658 stroke_p[p++]=box_p[1];
7659 stroke_p[p++]=box_p[2];
7665 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7666 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7667 if (dot_product <= miterlimit)
7669 stroke_q[q++]=box_q[4];
7670 stroke_p[p++]=box_p[4];
7674 stroke_q[q++]=box_q[1];
7675 stroke_q[q++]=box_q[2];
7676 stroke_p[p++]=box_p[1];
7677 stroke_p[p++]=box_p[2];
7683 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7684 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7685 if (dot_product <= miterlimit)
7686 stroke_p[p++]=box_p[4];
7689 stroke_p[p++]=box_p[1];
7690 stroke_p[p++]=box_p[2];
7692 center=polygon_primitive[n].point;
7693 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7694 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7695 if (theta.q < theta.p)
7696 theta.q+=2.0*MagickPI;
7697 arc_segments=(size_t) CastDoubleToSsizeT(ceil((
double) ((theta.q-
7698 theta.p)/(2.0*sqrt(MagickSafeReciprocal(mid))))));
7699 DisableMSCWarning(4127)
7700 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7702 stroke_q[q].x=box_q[1].x;
7703 stroke_q[q].y=box_q[1].y;
7705 for (j=1; j < (ssize_t) arc_segments; j++)
7707 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7708 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7709 (theta.p+delta_theta),DegreesToRadians(360.0))));
7710 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7711 (theta.p+delta_theta),DegreesToRadians(360.0))));
7714 stroke_q[q++]=box_q[2];
7721 switch (draw_info->linejoin)
7725 stroke_p[p++]=box_p[1];
7726 stroke_p[p++]=box_p[2];
7727 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7728 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7729 if (dot_product <= miterlimit)
7730 stroke_q[q++]=box_q[4];
7733 stroke_q[q++]=box_q[1];
7734 stroke_q[q++]=box_q[2];
7740 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7741 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7742 if (dot_product <= miterlimit)
7744 stroke_q[q++]=box_q[4];
7745 stroke_p[p++]=box_p[4];
7749 stroke_q[q++]=box_q[1];
7750 stroke_q[q++]=box_q[2];
7751 stroke_p[p++]=box_p[1];
7752 stroke_p[p++]=box_p[2];
7758 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7759 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7760 if (dot_product <= miterlimit)
7761 stroke_q[q++]=box_q[4];
7764 stroke_q[q++]=box_q[1];
7765 stroke_q[q++]=box_q[2];
7767 center=polygon_primitive[n].point;
7768 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7769 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7770 if (theta.p < theta.q)
7771 theta.p+=2.0*MagickPI;
7772 arc_segments=(size_t) CastDoubleToSsizeT(ceil((
double) ((theta.p-
7773 theta.q)/(2.0*sqrt((
double) (MagickSafeReciprocal(mid)))))));
7774 DisableMSCWarning(4127)
7775 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7777 stroke_p[p++]=box_p[1];
7778 for (j=1; j < (ssize_t) arc_segments; j++)
7780 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7781 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7782 (theta.p+delta_theta),DegreesToRadians(360.0))));
7783 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7784 (theta.p+delta_theta),DegreesToRadians(360.0))));
7787 stroke_p[p++]=box_p[2];
7794 inverse_slope.p=inverse_slope.q;
7803 stroke_p[p++]=box_p[1];
7804 stroke_q[q++]=box_q[1];
7808 stroke_polygon=(PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7809 (p+q+2L),(
size_t) (closed_path+2L)*
sizeof(*stroke_polygon));
7810 if (stroke_polygon == (PrimitiveInfo *) NULL)
7812 (void) ThrowMagickException(exception,GetMagickModule(),
7813 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7814 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p);
7815 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q);
7816 polygon_primitive=(PrimitiveInfo *) RelinquishMagickMemory(
7818 return(stroke_polygon);
7820 for (i=0; i < (ssize_t) p; i++)
7822 stroke_polygon[i]=polygon_primitive[0];
7823 stroke_polygon[i].point=stroke_p[i];
7825 if (closed_path != MagickFalse)
7827 stroke_polygon[i]=polygon_primitive[0];
7828 stroke_polygon[i].point=stroke_polygon[0].point;
7831 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7833 stroke_polygon[i]=polygon_primitive[0];
7834 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7836 if (closed_path != MagickFalse)
7838 stroke_polygon[i]=polygon_primitive[0];
7839 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7842 stroke_polygon[i]=polygon_primitive[0];
7843 stroke_polygon[i].point=stroke_polygon[0].point;
7845 stroke_polygon[i].primitive=UndefinedPrimitive;
7846 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7847 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p);
7848 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q);
7849 polygon_primitive=(PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7850 return(stroke_polygon);