48#include "magick/studio.h"
49#include "magick/annotate.h"
50#include "magick/artifact.h"
51#include "magick/blob.h"
52#include "magick/cache.h"
53#include "magick/cache-private.h"
54#include "magick/cache-view.h"
55#include "magick/channel.h"
56#include "magick/color.h"
57#include "magick/color-private.h"
58#include "magick/colorspace.h"
59#include "magick/colorspace-private.h"
60#include "magick/composite.h"
61#include "magick/composite-private.h"
62#include "magick/constitute.h"
63#include "magick/draw.h"
64#include "magick/draw-private.h"
65#include "magick/enhance.h"
66#include "magick/exception.h"
67#include "magick/exception-private.h"
68#include "magick/gem.h"
69#include "magick/geometry.h"
70#include "magick/image-private.h"
71#include "magick/list.h"
72#include "magick/log.h"
73#include "magick/magick.h"
74#include "magick/memory-private.h"
75#include "magick/monitor.h"
76#include "magick/monitor-private.h"
77#include "magick/option.h"
78#include "magick/paint.h"
79#include "magick/pixel-accessor.h"
80#include "magick/pixel-private.h"
81#include "magick/property.h"
82#include "magick/resample.h"
83#include "magick/resample-private.h"
84#include "magick/resource_.h"
85#include "magick/splay-tree.h"
86#include "magick/string_.h"
87#include "magick/string-private.h"
88#include "magick/thread-private.h"
89#include "magick/token.h"
90#include "magick/transform.h"
91#include "magick/utility.h"
96#define AntialiasThreshold (1.0/3.0)
97#define BezierQuantum 200
98#define PrimitiveExtentPad 4296.0
99#define MaxBezierCoordinates 67108864
100#define ThrowPointExpectedException(image,token) \
102 (void) ThrowMagickException(&(image)->exception,GetMagickModule(),DrawError, \
103 "NonconformingDrawingPrimitiveDefinition","`%s'",token); \
104 status=MagickFalse; \
194 *DrawClippingMask(
Image *,
const DrawInfo *,
const char *,
const char *,
197static MagickBooleanType
202 const double,
const MagickBooleanType,
const MagickBooleanType),
203 TraceBezier(
MVGInfo *,
const size_t),
209 TraceSquareLinecap(
PrimitiveInfo *,
const size_t,
const double);
235MagickExport
DrawInfo *AcquireDrawInfo(
void)
240 draw_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*draw_info));
241 GetDrawInfo((
ImageInfo *) NULL,draw_info);
278 clone_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*clone_info));
279 GetDrawInfo(image_info,clone_info);
282 if (draw_info->id != (
char *) NULL)
283 (void) CloneString(&clone_info->id,draw_info->id);
284 if (draw_info->primitive != (
char *) NULL)
285 (
void) CloneString(&clone_info->primitive,draw_info->primitive);
286 if (draw_info->geometry != (
char *) NULL)
287 (void) CloneString(&clone_info->geometry,draw_info->geometry);
288 clone_info->compliance=draw_info->compliance;
289 clone_info->viewbox=draw_info->viewbox;
290 clone_info->affine=draw_info->affine;
291 clone_info->gravity=draw_info->gravity;
292 clone_info->fill=draw_info->fill;
293 clone_info->stroke=draw_info->stroke;
294 clone_info->stroke_width=draw_info->stroke_width;
295 if (draw_info->fill_pattern != (
Image *) NULL)
296 clone_info->fill_pattern=CloneImage(draw_info->fill_pattern,0,0,MagickTrue,
297 &draw_info->fill_pattern->exception);
299 if (draw_info->tile != (
Image *) NULL)
300 clone_info->fill_pattern=CloneImage(draw_info->tile,0,0,MagickTrue,
301 &draw_info->tile->exception);
302 clone_info->tile=NewImageList();
303 if (draw_info->stroke_pattern != (
Image *) NULL)
304 clone_info->stroke_pattern=CloneImage(draw_info->stroke_pattern,0,0,
305 MagickTrue,&draw_info->stroke_pattern->exception);
306 clone_info->stroke_antialias=draw_info->stroke_antialias;
307 clone_info->text_antialias=draw_info->text_antialias;
308 clone_info->fill_rule=draw_info->fill_rule;
309 clone_info->linecap=draw_info->linecap;
310 clone_info->linejoin=draw_info->linejoin;
311 clone_info->miterlimit=draw_info->miterlimit;
312 clone_info->dash_offset=draw_info->dash_offset;
313 clone_info->decorate=draw_info->decorate;
314 clone_info->compose=draw_info->compose;
315 if (draw_info->text != (
char *) NULL)
316 (void) CloneString(&clone_info->text,draw_info->text);
317 if (draw_info->font != (
char *) NULL)
318 (
void) CloneString(&clone_info->font,draw_info->font);
319 if (draw_info->metrics != (
char *) NULL)
320 (void) CloneString(&clone_info->metrics,draw_info->metrics);
321 if (draw_info->family != (
char *) NULL)
322 (
void) CloneString(&clone_info->family,draw_info->family);
323 clone_info->style=draw_info->style;
324 clone_info->stretch=draw_info->stretch;
325 clone_info->weight=draw_info->weight;
326 if (draw_info->encoding != (
char *) NULL)
327 (void) CloneString(&clone_info->encoding,draw_info->encoding);
328 clone_info->pointsize=draw_info->pointsize;
329 clone_info->kerning=draw_info->kerning;
330 clone_info->interline_spacing=draw_info->interline_spacing;
331 clone_info->interword_spacing=draw_info->interword_spacing;
332 clone_info->direction=draw_info->direction;
333 if (draw_info->density != (
char *) NULL)
334 (
void) CloneString(&clone_info->density,draw_info->density);
335 clone_info->align=draw_info->align;
336 clone_info->undercolor=draw_info->undercolor;
337 clone_info->border_color=draw_info->border_color;
338 if (draw_info->server_name != (
char *) NULL)
339 (void) CloneString(&clone_info->server_name,draw_info->server_name);
340 if (draw_info->dash_pattern != (
double *) NULL)
345 for (x=0; fabs(draw_info->dash_pattern[x]) >= MagickEpsilon; x++) ;
346 clone_info->dash_pattern=(
double *) AcquireQuantumMemory((
size_t) (2*x+2),
347 sizeof(*clone_info->dash_pattern));
348 if (clone_info->dash_pattern == (
double *) NULL)
349 ThrowFatalException(ResourceLimitFatalError,
350 "UnableToAllocateDashPattern");
351 (void) memset(clone_info->dash_pattern,0,(
size_t) (2*x+2)*
352 sizeof(*clone_info->dash_pattern));
353 (void) memcpy(clone_info->dash_pattern,draw_info->dash_pattern,(
size_t)
354 (x+1)*
sizeof(*clone_info->dash_pattern));
356 clone_info->gradient=draw_info->gradient;
357 if (draw_info->gradient.stops != (
StopInfo *) NULL)
362 number_stops=clone_info->gradient.number_stops;
363 clone_info->gradient.stops=(
StopInfo *) AcquireQuantumMemory((
size_t)
364 number_stops,
sizeof(*clone_info->gradient.stops));
365 if (clone_info->gradient.stops == (
StopInfo *) NULL)
366 ThrowFatalException(ResourceLimitFatalError,
367 "UnableToAllocateDashPattern");
368 (void) memcpy(clone_info->gradient.stops,draw_info->gradient.stops,
369 (
size_t) number_stops*
sizeof(*clone_info->gradient.stops));
371 clone_info->bounds=draw_info->bounds;
372 clone_info->fill_opacity=draw_info->fill_opacity;
373 clone_info->stroke_opacity=draw_info->stroke_opacity;
374 clone_info->element_reference=draw_info->element_reference;
375 clone_info->clip_path=draw_info->clip_path;
376 clone_info->clip_units=draw_info->clip_units;
377 if (draw_info->clip_mask != (
char *) NULL)
378 (
void) CloneString(&clone_info->clip_mask,draw_info->clip_mask);
379 if (draw_info->clipping_mask != (
Image *) NULL)
380 clone_info->clipping_mask=CloneImage(draw_info->clipping_mask,0,0,
381 MagickTrue,&draw_info->clipping_mask->exception);
382 if (draw_info->composite_mask != (
Image *) NULL)
383 clone_info->composite_mask=CloneImage(draw_info->composite_mask,0,0,
384 MagickTrue,&draw_info->composite_mask->exception);
385 clone_info->render=draw_info->render;
386 clone_info->debug=draw_info->debug;
427 if (polygon_info->edges != (
EdgeInfo *) NULL)
429 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
430 if (polygon_info->edges[i].points != (
PointInfo *) NULL)
431 polygon_info->edges[i].points=(
PointInfo *)
432 RelinquishMagickMemory(polygon_info->edges[i].points);
433 polygon_info->edges=(
EdgeInfo *) RelinquishMagickMemory(
434 polygon_info->edges);
436 return((
PolygonInfo *) RelinquishMagickMemory(polygon_info));
439#if defined(__cplusplus) || defined(c_plusplus)
443static int DrawCompareEdges(
const void *p_edge,
const void *q_edge)
445#define DrawCompareEdge(p,q) \
447 if (((p)-(q)) < 0.0) \
449 if (((p)-(q)) > 0.0) \
460 p=((
const EdgeInfo *) p_edge)->points;
461 q=((
const EdgeInfo *) q_edge)->points;
462 DrawCompareEdge(p[0].y,q[0].y);
463 DrawCompareEdge(p[0].x,q[0].x);
464 DrawCompareEdge((p[1].x-p[0].x)*(q[1].y-q[0].y),(p[1].y-p[0].y)*
466 DrawCompareEdge(p[1].y,q[1].y);
467 DrawCompareEdge(p[1].x,q[1].x);
471#if defined(__cplusplus) || defined(c_plusplus)
475static void LogPolygonInfo(
const PolygonInfo *polygon_info)
484 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin active-edge");
485 p=polygon_info->edges;
486 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
488 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" edge %.20g:",
490 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" direction: %s",
491 p->direction != MagickFalse ?
"down" :
"up");
492 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" ghostline: %s",
493 p->ghostline != MagickFalse ?
"transparent" :
"opaque");
494 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
495 " bounds: %g,%g - %g,%g",p->bounds.x1,p->bounds.y1,
496 p->bounds.x2,p->bounds.y2);
497 for (j=0; j < (ssize_t) p->number_points; j++)
498 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %g,%g",
499 p->points[j].x,p->points[j].y);
502 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end active-edge");
505static void ReversePoints(
PointInfo *points,
const size_t number_points)
513 for (i=0; i < (ssize_t) (number_points >> 1); i++)
516 points[i]=points[number_points-(i+1)];
517 points[number_points-(i+1)]=point;
553 polygon_info=(
PolygonInfo *) AcquireMagickMemory(
sizeof(*polygon_info));
556 (void) ThrowMagickException(exception,GetMagickModule(),
557 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
561 polygon_info->edges=(
EdgeInfo *) AcquireQuantumMemory(number_edges,
562 sizeof(*polygon_info->edges));
563 if (polygon_info->edges == (
EdgeInfo *) NULL)
565 (void) ThrowMagickException(exception,GetMagickModule(),
566 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
567 return(DestroyPolygonInfo(polygon_info));
569 (void) memset(polygon_info->edges,0,number_edges*
570 sizeof(*polygon_info->edges));
573 ghostline=MagickFalse;
577 (void) memset(&point,0,
sizeof(point));
578 (void) memset(&bounds,0,
sizeof(bounds));
579 polygon_info->edges[edge].number_points=(size_t) n;
580 polygon_info->edges[edge].scanline=0.0;
581 polygon_info->edges[edge].highwater=0;
582 polygon_info->edges[edge].ghostline=ghostline;
583 polygon_info->edges[edge].direction=(ssize_t) direction;
584 polygon_info->edges[edge].points=points;
585 polygon_info->edges[edge].bounds=bounds;
586 polygon_info->number_edges=0;
587 for (i=0; path_info[i].code != EndCode; i++)
589 if ((path_info[i].code == MoveToCode) || (path_info[i].code == OpenCode) ||
590 (path_info[i].code == GhostlineCode))
595 if ((points != (
PointInfo *) NULL) && (n >= 2))
597 if (edge == number_edges)
600 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
601 polygon_info->edges,(
size_t) number_edges,
602 sizeof(*polygon_info->edges));
603 if (polygon_info->edges == (
EdgeInfo *) NULL)
605 (void) ThrowMagickException(exception,GetMagickModule(),
606 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
607 points=(
PointInfo *) RelinquishMagickMemory(points);
608 return(DestroyPolygonInfo(polygon_info));
611 polygon_info->edges[edge].number_points=(size_t) n;
612 polygon_info->edges[edge].scanline=(-1.0);
613 polygon_info->edges[edge].highwater=0;
614 polygon_info->edges[edge].ghostline=ghostline;
615 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
617 ReversePoints(points,(
size_t) n);
618 polygon_info->edges[edge].points=points;
619 polygon_info->edges[edge].bounds=bounds;
620 polygon_info->edges[edge].bounds.y1=points[0].y;
621 polygon_info->edges[edge].bounds.y2=points[n-1].y;
623 ghostline=MagickFalse;
625 polygon_info->number_edges=edge;
630 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
634 (void) ThrowMagickException(exception,GetMagickModule(),
635 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
636 return(DestroyPolygonInfo(polygon_info));
639 ghostline=path_info[i].code == GhostlineCode ? MagickTrue : MagickFalse;
640 point=path_info[i].point;
651 next_direction=((path_info[i].point.y > point.y) ||
652 ((fabs(path_info[i].point.y-point.y) < MagickEpsilon) &&
653 (path_info[i].point.x > point.x))) ? 1 : -1;
654 if ((points != (
PointInfo *) NULL) && (direction != 0) &&
655 (direction != next_direction))
661 if (edge == number_edges)
664 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
665 polygon_info->edges,(
size_t) number_edges,
666 sizeof(*polygon_info->edges));
667 if (polygon_info->edges == (
EdgeInfo *) NULL)
669 (void) ThrowMagickException(exception,GetMagickModule(),
670 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
671 points=(
PointInfo *) RelinquishMagickMemory(points);
672 return(DestroyPolygonInfo(polygon_info));
675 polygon_info->edges[edge].number_points=(size_t) n;
676 polygon_info->edges[edge].scanline=(-1.0);
677 polygon_info->edges[edge].highwater=0;
678 polygon_info->edges[edge].ghostline=ghostline;
679 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
681 ReversePoints(points,(
size_t) n);
682 polygon_info->edges[edge].points=points;
683 polygon_info->edges[edge].bounds=bounds;
684 polygon_info->edges[edge].bounds.y1=points[0].y;
685 polygon_info->edges[edge].bounds.y2=points[n-1].y;
686 polygon_info->number_edges=edge+1;
689 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
693 (void) ThrowMagickException(exception,GetMagickModule(),
694 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
695 return(DestroyPolygonInfo(polygon_info));
698 ghostline=MagickFalse;
704 direction=next_direction;
707 if (n == (ssize_t) number_points)
710 points=(
PointInfo *) ResizeQuantumMemory(points,(
size_t) number_points,
714 (void) ThrowMagickException(exception,GetMagickModule(),
715 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
716 return(DestroyPolygonInfo(polygon_info));
719 point=path_info[i].point;
721 if (point.x < bounds.x1)
723 if (point.x > bounds.x2)
730 points=(
PointInfo *) RelinquishMagickMemory(points);
733 if (edge == number_edges)
736 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
737 polygon_info->edges,(
size_t) number_edges,
738 sizeof(*polygon_info->edges));
739 if (polygon_info->edges == (
EdgeInfo *) NULL)
741 (void) ThrowMagickException(exception,GetMagickModule(),
742 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
743 return(DestroyPolygonInfo(polygon_info));
746 polygon_info->edges[edge].number_points=(size_t) n;
747 polygon_info->edges[edge].scanline=(-1.0);
748 polygon_info->edges[edge].highwater=0;
749 polygon_info->edges[edge].ghostline=ghostline;
750 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
752 ReversePoints(points,(
size_t) n);
753 polygon_info->edges[edge].points=points;
754 polygon_info->edges[edge].bounds=bounds;
755 polygon_info->edges[edge].bounds.y1=points[0].y;
756 polygon_info->edges[edge].bounds.y2=points[n-1].y;
758 ghostline=MagickFalse;
760 polygon_info->number_edges=edge;
763 polygon_info->number_edges=edge;
764 polygon_info->number_edges=edge;
765 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(polygon_info->edges,
766 polygon_info->number_edges,
sizeof(*polygon_info->edges));
767 if (polygon_info->edges == (
EdgeInfo *) NULL)
769 (void) ThrowMagickException(exception,GetMagickModule(),
770 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
771 return(DestroyPolygonInfo(polygon_info));
773 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
778 edge_info=polygon_info->edges+i;
779 edge_info->points=(
PointInfo *) ResizeQuantumMemory(edge_info->points,
780 edge_info->number_points,
sizeof(*edge_info->points));
781 if (edge_info->points == (
PointInfo *) NULL)
783 (void) ThrowMagickException(exception,GetMagickModule(),
784 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
785 return(DestroyPolygonInfo(polygon_info));
788 qsort(polygon_info->edges,(
size_t) polygon_info->number_edges,
789 sizeof(*polygon_info->edges),DrawCompareEdges);
790 if ((GetLogEventMask() & DrawEvent) != 0)
791 LogPolygonInfo(polygon_info);
792 return(polygon_info);
826static void LogPathInfo(
const PathInfo *path_info)
831 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin vector-path");
832 for (p=path_info; p->code != EndCode; p++)
833 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
834 " %g,%g %s",p->point.x,p->point.y,p->code == GhostlineCode ?
835 "moveto ghostline" : p->code == OpenCode ?
"moveto open" :
836 p->code == MoveToCode ?
"moveto" : p->code == LineToCode ?
"lineto" :
838 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end vector-path");
841static PathInfo *ConvertPrimitiveToPath(
866 magick_unreferenced(draw_info);
871 switch (primitive_info->primitive)
882 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
883 path_info=(
PathInfo *) AcquireQuantumMemory((
size_t) (3UL*i+1UL),
887 (void) ThrowMagickException(exception,GetMagickModule(),
888 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
892 closed_subpath=MagickFalse;
899 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
902 if (coordinates <= 0)
907 coordinates=(ssize_t) primitive_info[i].coordinates;
908 p=primitive_info[i].point;
911 closed_subpath=primitive_info[i].closed_subpath;
914 if ((code == MoveToCode) || (coordinates <= 0) ||
915 (fabs(q.x-primitive_info[i].point.x) >= MagickEpsilon) ||
916 (fabs(q.y-primitive_info[i].point.y) >= MagickEpsilon))
921 path_info[n].code=code;
922 path_info[n].point=primitive_info[i].point;
923 q=primitive_info[i].point;
928 if (closed_subpath != MagickFalse)
930 closed_subpath=MagickFalse;
936 path_info[start].code=OpenCode;
937 path_info[n].code=GhostlineCode;
938 path_info[n].point=primitive_info[i].point;
940 path_info[n].code=LineToCode;
941 path_info[n].point=p;
944 path_info[n].code=EndCode;
945 path_info[n].point.x=0.0;
946 path_info[n].point.y=0.0;
947 if (IsEventLogging() != MagickFalse)
948 LogPathInfo(path_info);
949 path_info=(
PathInfo *) ResizeQuantumMemory(path_info,(
size_t) (n+1),
978 assert(draw_info != (
DrawInfo *) NULL);
979 assert(draw_info->signature == MagickCoreSignature);
980 if (IsEventLogging() != MagickFalse)
981 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
982 if (draw_info->id != (
char *) NULL)
983 draw_info->id=DestroyString(draw_info->id);
984 if (draw_info->primitive != (
char *) NULL)
985 draw_info->primitive=DestroyString(draw_info->primitive);
986 if (draw_info->text != (
char *) NULL)
987 draw_info->text=DestroyString(draw_info->text);
988 if (draw_info->geometry != (
char *) NULL)
989 draw_info->geometry=DestroyString(draw_info->geometry);
990 if (draw_info->tile != (
Image *) NULL)
991 draw_info->tile=DestroyImage(draw_info->tile);
992 if (draw_info->fill_pattern != (
Image *) NULL)
993 draw_info->fill_pattern=DestroyImage(draw_info->fill_pattern);
994 if (draw_info->stroke_pattern != (
Image *) NULL)
995 draw_info->stroke_pattern=DestroyImage(draw_info->stroke_pattern);
996 if (draw_info->font != (
char *) NULL)
997 draw_info->font=DestroyString(draw_info->font);
998 if (draw_info->metrics != (
char *) NULL)
999 draw_info->metrics=DestroyString(draw_info->metrics);
1000 if (draw_info->family != (
char *) NULL)
1001 draw_info->family=DestroyString(draw_info->family);
1002 if (draw_info->encoding != (
char *) NULL)
1003 draw_info->encoding=DestroyString(draw_info->encoding);
1004 if (draw_info->density != (
char *) NULL)
1005 draw_info->density=DestroyString(draw_info->density);
1006 if (draw_info->server_name != (
char *) NULL)
1007 draw_info->server_name=(
char *)
1008 RelinquishMagickMemory(draw_info->server_name);
1009 if (draw_info->dash_pattern != (
double *) NULL)
1010 draw_info->dash_pattern=(
double *) RelinquishMagickMemory(
1011 draw_info->dash_pattern);
1012 if (draw_info->gradient.stops != (
StopInfo *) NULL)
1013 draw_info->gradient.stops=(
StopInfo *) RelinquishMagickMemory(
1014 draw_info->gradient.stops);
1015 if (draw_info->clip_mask != (
char *) NULL)
1016 draw_info->clip_mask=DestroyString(draw_info->clip_mask);
1017 if (draw_info->clipping_mask != (
Image *) NULL)
1018 draw_info->clipping_mask=DestroyImage(draw_info->clipping_mask);
1019 if (draw_info->composite_mask != (
Image *) NULL)
1020 draw_info->composite_mask=DestroyImage(draw_info->composite_mask);
1021 if (draw_info->image_info != (
ImageInfo *) NULL)
1022 draw_info->image_info=DestroyImageInfo(draw_info->image_info);
1023 draw_info->signature=(~MagickCoreSignature);
1024 draw_info=(
DrawInfo *) RelinquishMagickMemory(draw_info);
1073 inverse_edge.x1=edge->x1;
1074 inverse_edge.y1=edge->y1;
1075 inverse_edge.x2=edge->x2;
1076 inverse_edge.y2=edge->y2;
1077 z=affine->ry*y+affine->tx;
1078 if (affine->sx >= MagickEpsilon)
1080 intercept=(-z/affine->sx);
1082 if (x > inverse_edge.x1)
1084 intercept=(-z+(double) image->columns)/affine->sx;
1086 if (x < inverse_edge.x2)
1090 if (affine->sx < -MagickEpsilon)
1092 intercept=(-z+(double) image->columns)/affine->sx;
1094 if (x > inverse_edge.x1)
1096 intercept=(-z/affine->sx);
1098 if (x < inverse_edge.x2)
1102 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->columns))
1104 inverse_edge.x2=edge->x1;
1105 return(inverse_edge);
1110 z=affine->sy*y+affine->ty;
1111 if (affine->rx >= MagickEpsilon)
1113 intercept=(-z/affine->rx);
1115 if (x > inverse_edge.x1)
1117 intercept=(-z+(double) image->rows)/affine->rx;
1119 if (x < inverse_edge.x2)
1123 if (affine->rx < -MagickEpsilon)
1125 intercept=(-z+(double) image->rows)/affine->rx;
1127 if (x > inverse_edge.x1)
1129 intercept=(-z/affine->rx);
1131 if (x < inverse_edge.x2)
1135 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->rows))
1137 inverse_edge.x2=edge->x2;
1138 return(inverse_edge);
1140 return(inverse_edge);
1151 determinant=PerceptibleReciprocal(affine->sx*affine->sy-affine->rx*
1153 inverse_affine.sx=determinant*affine->sy;
1154 inverse_affine.rx=determinant*(-affine->rx);
1155 inverse_affine.ry=determinant*(-affine->ry);
1156 inverse_affine.sy=determinant*affine->sx;
1157 inverse_affine.tx=(-affine->tx)*inverse_affine.sx-affine->ty*
1159 inverse_affine.ty=(-affine->tx)*inverse_affine.rx-affine->ty*
1161 return(inverse_affine);
1164MagickExport MagickBooleanType DrawAffineImage(
Image *image,
1203 assert(image != (
Image *) NULL);
1204 assert(image->signature == MagickCoreSignature);
1205 assert(source != (
const Image *) NULL);
1206 assert(source->signature == MagickCoreSignature);
1207 if (IsEventLogging() != MagickFalse)
1208 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1212 extent[1].x=(double) source->columns;
1214 extent[2].x=(double) source->columns;
1215 extent[2].y=(double) source->rows;
1217 extent[3].y=(double) source->rows;
1218 for (i=0; i < 4; i++)
1221 extent[i].x=point.x*affine->sx+point.y*affine->ry+affine->tx;
1222 extent[i].y=point.x*affine->rx+point.y*affine->sy+affine->ty;
1226 for (i=1; i < 4; i++)
1228 if (min.x > extent[i].x)
1230 if (min.y > extent[i].y)
1232 if (max.x < extent[i].x)
1234 if (max.y < extent[i].y)
1240 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
1241 return(MagickFalse);
1247 inverse_affine=InverseAffineMatrix(affine);
1250 if (edge.y2 > (image->rows-1.0))
1251 edge.y2=image->rows-1.0;
1252 GetMagickPixelPacket(image,&zero);
1253 exception=(&image->exception);
1254 start=CastDoubleToLong(ceil(edge.y1-0.5));
1255 stop=CastDoubleToLong(floor(edge.y2+0.5));
1256 source_view=AcquireVirtualCacheView(source,exception);
1257 image_view=AcquireAuthenticCacheView(image,exception);
1258#if defined(MAGICKCORE_OPENMP_SUPPORT)
1259 #pragma omp parallel for schedule(static) shared(status) \
1260 magick_number_threads(source,image,stop-start,1)
1262 for (y=start; y <= stop; y++)
1265 *magick_restrict indexes;
1284 if (status == MagickFalse)
1286 inverse_edge=AffineEdge(source,&inverse_affine,(
double) y,&edge);
1287 if (inverse_edge.x2 < inverse_edge.x1)
1289 if (inverse_edge.x1 < 0.0)
1290 inverse_edge.x1=0.0;
1291 if (inverse_edge.x2 > image->columns-1.0)
1292 inverse_edge.x2=image->columns-1.0;
1293 q=GetCacheViewAuthenticPixels(image_view,CastDoubleToLong(
1294 ceil(inverse_edge.x1-0.5)),y,(
size_t) CastDoubleToLong(floor(
1295 inverse_edge.x2+0.5)-ceil(inverse_edge.x1-0.5)+1),1,exception);
1298 indexes=GetCacheViewAuthenticIndexQueue(image_view);
1302 for (x=CastDoubleToLong(ceil(inverse_edge.x1-0.5));
1303 x <= CastDoubleToLong(floor(inverse_edge.x2+0.5)); x++)
1305 point.x=(double) x*inverse_affine.sx+y*inverse_affine.ry+
1307 point.y=(double) x*inverse_affine.rx+y*inverse_affine.sy+
1309 status=InterpolateMagickPixelPacket(source,source_view,
1310 UndefinedInterpolatePixel,point.x,point.y,&pixel,exception);
1311 if (status == MagickFalse)
1313 SetMagickPixelPacket(image,q,indexes+x_offset,&composite);
1314 MagickPixelCompositeOver(&pixel,pixel.opacity,&composite,
1315 composite.opacity,&composite);
1316 SetPixelPacket(image,&composite,q,indexes+x_offset);
1320 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1323 source_view=DestroyCacheView(source_view);
1324 image_view=DestroyCacheView(image_view);
1357static MagickBooleanType DrawBoundingRectangles(
Image *image,
1386 (void) memset(primitive_info,0,
sizeof(primitive_info));
1387 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1388 status=QueryColorDatabase(
"#0000",&clone_info->fill,&image->exception);
1389 if (status == MagickFalse)
1391 clone_info=DestroyDrawInfo(clone_info);
1392 return(MagickFalse);
1396 if (clone_info->density != (
char *) NULL)
1404 flags=ParseGeometry(clone_info->density,&geometry_info);
1405 if ((flags & RhoValue) != 0)
1406 resolution.x=geometry_info.rho;
1407 resolution.y=resolution.x;
1408 if ((flags & SigmaValue) != 0)
1409 resolution.y=geometry_info.sigma;
1411 mid=(resolution.x/96.0)*ExpandAffine(&clone_info->affine)*
1412 clone_info->stroke_width/2.0;
1419 bounds=polygon_info->edges[0].bounds;
1420 for (i=1; i < (ssize_t) polygon_info->number_edges; i++)
1422 if (polygon_info->edges[i].bounds.x1 < (
double) bounds.x1)
1423 bounds.x1=polygon_info->edges[i].bounds.x1;
1424 if (polygon_info->edges[i].bounds.y1 < (
double) bounds.y1)
1425 bounds.y1=polygon_info->edges[i].bounds.y1;
1426 if (polygon_info->edges[i].bounds.x2 > (
double) bounds.x2)
1427 bounds.x2=polygon_info->edges[i].bounds.x2;
1428 if (polygon_info->edges[i].bounds.y2 > (
double) bounds.y2)
1429 bounds.y2=polygon_info->edges[i].bounds.y2;
1432 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double)
1433 image->columns ? (
double) image->columns-1 : bounds.x1;
1435 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double)
1436 image->rows ? (
double) image->rows-1 : bounds.y1;
1438 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double)
1439 image->columns ? (
double) image->columns-1 : bounds.x2;
1441 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double)
1442 image->rows ? (
double) image->rows-1 : bounds.y2;
1443 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
1445 if (polygon_info->edges[i].direction != 0)
1446 status=QueryColorDatabase(
"#f00",&clone_info->stroke,
1449 status=QueryColorDatabase(
"#0f0",&clone_info->stroke,
1451 if (status == MagickFalse)
1453 start.x=(double) (polygon_info->edges[i].bounds.x1-mid);
1454 start.y=(double) (polygon_info->edges[i].bounds.y1-mid);
1455 end.x=(double) (polygon_info->edges[i].bounds.x2+mid);
1456 end.y=(double) (polygon_info->edges[i].bounds.y2+mid);
1457 primitive_info[0].primitive=RectanglePrimitive;
1458 status&=TraceRectangle(primitive_info,start,end);
1459 primitive_info[0].method=ReplaceMethod;
1460 coordinates=(ssize_t) primitive_info[0].coordinates;
1461 primitive_info[coordinates].primitive=UndefinedPrimitive;
1462 status=DrawPrimitive(image,clone_info,primitive_info);
1463 if (status == MagickFalse)
1466 if (i < (ssize_t) polygon_info->number_edges)
1468 clone_info=DestroyDrawInfo(clone_info);
1469 return(status == 0 ? MagickFalse : MagickTrue);
1472 status=QueryColorDatabase(
"#00f",&clone_info->stroke,&image->exception);
1473 if (status == MagickFalse)
1475 clone_info=DestroyDrawInfo(clone_info);
1476 return(MagickFalse);
1478 start.x=(double) (bounds.x1-mid);
1479 start.y=(double) (bounds.y1-mid);
1480 end.x=(double) (bounds.x2+mid);
1481 end.y=(double) (bounds.y2+mid);
1482 primitive_info[0].primitive=RectanglePrimitive;
1483 status&=TraceRectangle(primitive_info,start,end);
1484 primitive_info[0].method=ReplaceMethod;
1485 coordinates=(ssize_t) primitive_info[0].coordinates;
1486 primitive_info[coordinates].primitive=UndefinedPrimitive;
1487 status=DrawPrimitive(image,clone_info,primitive_info);
1488 clone_info=DestroyDrawInfo(clone_info);
1489 return(status == 0 ? MagickFalse : MagickTrue);
1519MagickExport MagickBooleanType DrawClipPath(
Image *image,
1520 const DrawInfo *draw_info,
const char *
id)
1531 clip_path=GetImageArtifact(image,
id);
1532 if (clip_path == (
const char *) NULL)
1533 return(MagickFalse);
1534 clipping_mask=DrawClippingMask(image,draw_info,draw_info->clip_mask,clip_path,
1536 if (clipping_mask == (
Image *) NULL)
1537 return(MagickFalse);
1538 status=SetImageClipMask(image,clipping_mask);
1539 clipping_mask=DestroyImage(clipping_mask);
1576 const char *
id,
const char *clip_path,
ExceptionInfo *exception)
1590 assert(image != (
Image *) NULL);
1591 assert(image->signature == MagickCoreSignature);
1592 assert(draw_info != (
const DrawInfo *) NULL);
1593 if (IsEventLogging() != MagickFalse)
1594 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1595 clip_mask=AcquireImage((
const ImageInfo *) NULL);
1596 status=SetImageExtent(clip_mask,image->columns,image->rows);
1597 if (status == MagickFalse)
1598 return(DestroyImage(clip_mask));
1599 status=SetImageClipMask(image,(
Image *) NULL);
1600 status=QueryColorCompliance(
"#0000",AllCompliance,
1601 &clip_mask->background_color,exception);
1602 clip_mask->background_color.opacity=(Quantum) TransparentOpacity;
1603 status=SetImageBackgroundColor(clip_mask);
1604 if (draw_info->debug != MagickFalse)
1605 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin clip-path %s",
1607 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1608 (void) CloneString(&clone_info->primitive,clip_path);
1609 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1611 if (clone_info->clip_mask != (
char *) NULL)
1612 clone_info->clip_mask=DestroyString(clone_info->clip_mask);
1613 (void) QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1615 clone_info->stroke_width=0.0;
1616 clone_info->opacity=OpaqueOpacity;
1617 clone_info->clip_path=MagickTrue;
1618 status=RenderMVGContent(clip_mask,clone_info,0);
1619 clone_info=DestroyDrawInfo(clone_info);
1620 status&=SeparateImageChannel(clip_mask,TrueAlphaChannel);
1621 if (draw_info->compliance != SVGCompliance)
1622 status&=NegateImage(clip_mask,MagickFalse);
1623 if (status == MagickFalse)
1624 clip_mask=DestroyImage(clip_mask);
1625 if (draw_info->debug != MagickFalse)
1626 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end clip-path");
1662 const char *
id,
const char *mask_path,
ExceptionInfo *exception)
1676 assert(image != (
Image *) NULL);
1677 assert(image->signature == MagickCoreSignature);
1678 assert(draw_info != (
const DrawInfo *) NULL);
1679 if (IsEventLogging() != MagickFalse)
1680 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1681 composite_mask=AcquireImage((
const ImageInfo *) NULL);
1682 status=SetImageExtent(composite_mask,image->columns,image->rows);
1683 if (status == MagickFalse)
1684 return(DestroyImage(composite_mask));
1685 status=SetImageMask(image,(
Image *) NULL);
1686 status=QueryColorCompliance(
"#0000",AllCompliance,
1687 &composite_mask->background_color,exception);
1688 composite_mask->background_color.opacity=(Quantum) TransparentOpacity;
1689 (void) SetImageBackgroundColor(composite_mask);
1690 if (draw_info->debug != MagickFalse)
1691 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin mask-path %s",
1693 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1694 (void) CloneString(&clone_info->primitive,mask_path);
1695 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1697 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1699 clone_info->stroke_width=0.0;
1700 clone_info->opacity=OpaqueOpacity;
1701 status=RenderMVGContent(composite_mask,clone_info,0);
1702 clone_info=DestroyDrawInfo(clone_info);
1703 status&=SeparateImageChannel(composite_mask,TrueAlphaChannel);
1704 status&=NegateImage(composite_mask,MagickFalse);
1705 if (status == MagickFalse)
1706 composite_mask=DestroyImage(composite_mask);
1707 if (draw_info->debug != MagickFalse)
1708 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end mask-path");
1709 return(composite_mask);
1741static MagickBooleanType DrawDashPolygon(
const DrawInfo *draw_info,
1772 assert(draw_info != (
const DrawInfo *) NULL);
1773 if (draw_info->debug != MagickFalse)
1774 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1775 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1776 number_vertices=(size_t) i;
1777 dash_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1778 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1781 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1782 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1783 return(MagickFalse);
1785 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1786 sizeof(*dash_polygon));
1787 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1788 clone_info->miterlimit=0;
1789 dash_polygon[0]=primitive_info[0];
1790 scale=ExpandAffine(&draw_info->affine);
1791 length=scale*draw_info->dash_pattern[0];
1792 offset=fabs(draw_info->dash_offset) >= MagickEpsilon ?
1793 scale*draw_info->dash_offset : 0.0;
1795 for (n=0; offset > 0.0; j=0)
1797 if (draw_info->dash_pattern[n] <= 0.0)
1799 length=scale*(draw_info->dash_pattern[n]+(n == 0 ? -0.5 : 0.5));
1800 if (offset > length)
1804 length=scale*draw_info->dash_pattern[n];
1807 if (offset < length)
1819 for (i=1; (i < (ssize_t) number_vertices) && (length >= 0.0); i++)
1821 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
1822 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
1823 maximum_length=hypot(dx,dy);
1824 if (maximum_length > (
double) (MaxBezierCoordinates >> 2))
1826 if (fabs(length) < MagickEpsilon)
1828 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1830 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1832 length=scale*draw_info->dash_pattern[n];
1834 for (total_length=0.0; (length >= 0.0) && (maximum_length >= (total_length+length)); )
1836 total_length+=length;
1837 if ((n & 0x01) != 0)
1839 dash_polygon[0]=primitive_info[0];
1840 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1841 total_length*PerceptibleReciprocal(maximum_length));
1842 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1843 total_length*PerceptibleReciprocal(maximum_length));
1848 if ((j+1) > (ssize_t) number_vertices)
1850 dash_polygon[j]=primitive_info[i-1];
1851 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1852 total_length*PerceptibleReciprocal(maximum_length));
1853 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1854 total_length*PerceptibleReciprocal(maximum_length));
1855 dash_polygon[j].coordinates=1;
1857 dash_polygon[0].coordinates=(size_t) j;
1858 dash_polygon[j].primitive=UndefinedPrimitive;
1859 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1860 if (status == MagickFalse)
1863 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1865 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1867 length=scale*draw_info->dash_pattern[n];
1869 length-=(maximum_length-total_length);
1870 if ((n & 0x01) != 0)
1872 dash_polygon[j]=primitive_info[i];
1873 dash_polygon[j].coordinates=1;
1876 if ((status != MagickFalse) && (total_length < maximum_length) &&
1877 ((n & 0x01) == 0) && (j > 1))
1879 dash_polygon[j]=primitive_info[i-1];
1880 dash_polygon[j].point.x+=MagickEpsilon;
1881 dash_polygon[j].point.y+=MagickEpsilon;
1882 dash_polygon[j].coordinates=1;
1884 dash_polygon[0].coordinates=(size_t) j;
1885 dash_polygon[j].primitive=UndefinedPrimitive;
1886 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1888 dash_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1889 clone_info=DestroyDrawInfo(clone_info);
1890 if (draw_info->debug != MagickFalse)
1891 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1892 return(status != 0 ? MagickTrue : MagickFalse);
1921static inline double GetStopColorOffset(
const GradientInfo *gradient,
1922 const ssize_t x,
const ssize_t y)
1924 switch (gradient->type)
1926 case UndefinedGradient:
1927 case LinearGradient:
1942 gradient_vector=(&gradient->gradient_vector);
1943 p.x=gradient_vector->x2-gradient_vector->x1;
1944 p.y=gradient_vector->y2-gradient_vector->y1;
1945 q.x=(double) x-gradient_vector->x1;
1946 q.y=(double) y-gradient_vector->y1;
1947 length=sqrt(q.x*q.x+q.y*q.y);
1948 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1949 gamma=PerceptibleReciprocal(gamma);
1950 scale=p.x*q.x+p.y*q.y;
1951 offset=gamma*scale*length;
1954 case RadialGradient:
1959 if (gradient->spread == RepeatSpread)
1961 v.x=(double) x-gradient->center.x;
1962 v.y=(double) y-gradient->center.y;
1963 return(sqrt(v.x*v.x+v.y*v.y));
1965 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1966 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1967 gradient->angle))))*PerceptibleReciprocal(gradient->radii.x);
1968 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1969 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1970 gradient->angle))))*PerceptibleReciprocal(gradient->radii.y);
1971 return(sqrt(v.x*v.x+v.y*v.y));
1977MagickExport MagickBooleanType DrawGradientImage(
Image *image,
2014 assert(image != (
Image *) NULL);
2015 assert(image->signature == MagickCoreSignature);
2016 assert(draw_info != (
const DrawInfo *) NULL);
2017 if (IsEventLogging() != MagickFalse)
2018 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2019 gradient=(&draw_info->gradient);
2020 gradient_vector=(&gradient->gradient_vector);
2021 point.x=gradient_vector->x2-gradient_vector->x1;
2022 point.y=gradient_vector->y2-gradient_vector->y1;
2023 length=sqrt(point.x*point.x+point.y*point.y);
2024 bounding_box=gradient->bounding_box;
2026 exception=(&image->exception);
2027 GetMagickPixelPacket(image,&zero);
2028 image_view=AcquireAuthenticCacheView(image,exception);
2029 height=(size_t) (bounding_box.y+bounding_box.height);
2030#if defined(MAGICKCORE_OPENMP_SUPPORT)
2031 #pragma omp parallel for schedule(static) shared(status) \
2032 magick_number_threads(image,image,height,1)
2034 for (y=bounding_box.y; y < (ssize_t) height; y++)
2045 *magick_restrict indexes;
2056 if (status == MagickFalse)
2058 q=GetCacheViewAuthenticPixels(image_view,bounding_box.x,y,(
size_t)
2059 bounding_box.width,1,exception);
2065 indexes=GetCacheViewAuthenticIndexQueue(image_view);
2068 offset=GetStopColorOffset(gradient,0,y);
2069 if (gradient->type != RadialGradient)
2070 offset*=PerceptibleReciprocal(length);
2071 width=(size_t) (bounding_box.x+bounding_box.width);
2072 for (x=bounding_box.x; x < (ssize_t) width; x++)
2074 SetMagickPixelPacket(image,q,indexes+x,&pixel);
2075 switch (gradient->spread)
2077 case UndefinedSpread:
2080 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2081 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2083 offset=GetStopColorOffset(gradient,x,y);
2084 if (gradient->type != RadialGradient)
2085 offset*=PerceptibleReciprocal(length);
2087 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2088 if (offset < gradient->stops[i].offset)
2090 if ((offset < 0.0) || (i == 0))
2091 composite=gradient->stops[0].color;
2093 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2094 composite=gradient->stops[gradient->number_stops-1].color;
2099 alpha=(offset-gradient->stops[i].offset)/
2100 (gradient->stops[j].offset-gradient->stops[i].offset);
2101 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2102 &gradient->stops[j].color,alpha,&composite);
2108 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2109 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2111 offset=GetStopColorOffset(gradient,x,y);
2112 if (gradient->type != RadialGradient)
2113 offset*=PerceptibleReciprocal(length);
2117 if ((ssize_t) fmod(offset,2.0) == 0)
2118 offset=fmod(offset,1.0);
2120 offset=1.0-fmod(offset,1.0);
2121 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2122 if (offset < gradient->stops[i].offset)
2125 composite=gradient->stops[0].color;
2127 if (i == (ssize_t) gradient->number_stops)
2128 composite=gradient->stops[gradient->number_stops-1].color;
2133 alpha=(offset-gradient->stops[i].offset)/
2134 (gradient->stops[j].offset-gradient->stops[i].offset);
2135 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2136 &gradient->stops[j].color,alpha,&composite);
2148 antialias=MagickFalse;
2150 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2151 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2153 offset=GetStopColorOffset(gradient,x,y);
2154 if (gradient->type == LinearGradient)
2156 repeat=fmod(offset,length);
2158 repeat=length-fmod(-repeat,length);
2160 repeat=fmod(offset,length);
2161 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2162 MagickTrue : MagickFalse;
2163 offset=PerceptibleReciprocal(length)*repeat;
2167 repeat=fmod(offset,(
double) gradient->radius);
2169 repeat=gradient->radius-fmod(-repeat,
2170 (
double) gradient->radius);
2172 repeat=fmod(offset,(
double) gradient->radius);
2173 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2175 offset=repeat*PerceptibleReciprocal(gradient->radius);
2178 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2179 if (offset < gradient->stops[i].offset)
2182 composite=gradient->stops[0].color;
2184 if (i == (ssize_t) gradient->number_stops)
2185 composite=gradient->stops[gradient->number_stops-1].color;
2190 alpha=(offset-gradient->stops[i].offset)/
2191 (gradient->stops[j].offset-gradient->stops[i].offset);
2192 if (antialias != MagickFalse)
2194 if (gradient->type == LinearGradient)
2195 alpha=length-repeat;
2197 alpha=gradient->radius-repeat;
2199 j=(ssize_t) gradient->number_stops-1L;
2201 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2202 &gradient->stops[j].color,alpha,&composite);
2207 MagickPixelCompositeOver(&composite,composite.opacity,&pixel,
2208 pixel.opacity,&pixel);
2209 SetPixelPacket(image,&pixel,q,indexes+x);
2212 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2215 image_view=DestroyCacheView(image_view);
2248static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2252 **text = (
char **) NULL;
2266 quantum=
sizeof(**mvg_info->primitive_info);
2267 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*quantum;
2268 if (extent <= (
double) *mvg_info->extent)
2270 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2271 return(MagickFalse);
2272 if (mvg_info->offset > 0)
2274 text=(
char **) AcquireQuantumMemory(mvg_info->offset,
sizeof(*text));
2275 if (text == (
char **) NULL)
2276 return(MagickFalse);
2277 for (i=0; i < mvg_info->offset; i++)
2278 text[i]=(*mvg_info->primitive_info)[i].text;
2280 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2281 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2284 if (text != (
char **) NULL)
2285 text=(
char **) RelinquishMagickMemory(text);
2286 *mvg_info->extent=(size_t) extent;
2287 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2289 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2290 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2297 if (text != (
char **) NULL)
2299 for (i=0; i < mvg_info->offset; i++)
2300 if (text[i] != (
char *) NULL)
2301 text[i]=DestroyString(text[i]);
2302 text=(
char **) RelinquishMagickMemory(text);
2304 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2305 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2306 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2307 (PrimitiveExtentPad+1)*quantum);
2308 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2310 *mvg_info->extent=1;
2312 return(MagickFalse);
2315static inline double GetDrawValue(
const char *magick_restrict
string,
2316 char **magick_restrict sentinel)
2319 **magick_restrict q;
2325 value=InterpretLocaleValue(
string,q);
2330static int MVGMacroCompare(
const void *target,
const void *source)
2336 p=(
const char *) target;
2337 q=(
const char *) source;
2338 return(strcmp(p,q));
2359 if (primitive == (
const char *) NULL)
2361 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2362 RelinquishMagickMemory);
2363 macro=AcquireString(primitive);
2364 token=AcquireString(primitive);
2365 extent=strlen(token)+MagickPathExtent;
2366 for (q=primitive; *q !=
'\0'; )
2368 if (GetNextToken(q,&q,extent,token) < 1)
2372 if (LocaleCompare(
"push",token) == 0)
2378 (void) GetNextToken(q,&q,extent,token);
2382 name[MagickPathExtent];
2393 (void) GetNextToken(q,&q,extent,token);
2396 (void) CopyMagickString(name,token,MagickPathExtent);
2398 for (p=q; *p !=
'\0'; )
2400 if (GetNextToken(p,&p,extent,token) < 1)
2404 if (LocaleCompare(token,
"pop") == 0)
2406 end=p-strlen(token)-1;
2409 if (LocaleCompare(token,
"push") == 0)
2411 if ((n == 0) && (end > start))
2416 (void) GetNextToken(p,&p,extent,token);
2417 (void) CopyMagickString(macro,start,(
size_t) (end-start));
2418 (void) AddValueToSplayTree(macros,ConstantString(name),
2419 ConstantString(macro));
2426 token=DestroyString(token);
2427 macro=DestroyString(macro);
2431static inline MagickBooleanType IsPoint(
const char *point)
2439 value=GetDrawValue(point,&p);
2440 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2444static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2447 primitive_info->coordinates=1;
2448 primitive_info->closed_subpath=MagickFalse;
2449 primitive_info->point=point;
2453static MagickBooleanType RenderMVGContent(
Image *image,
2454 const DrawInfo *draw_info,
const size_t depth)
2456#define RenderImageTag "Render/Image"
2463 key[2*MaxTextExtent],
2464 keyword[MaxTextExtent],
2465 geometry[MaxTextExtent],
2466 name[MaxTextExtent],
2468 pattern[MaxTextExtent],
2530 assert(image != (
Image *) NULL);
2531 assert(image->signature == MagickCoreSignature);
2532 assert(draw_info != (
DrawInfo *) NULL);
2533 assert(draw_info->signature == MagickCoreSignature);
2534 if (IsEventLogging() != MagickFalse)
2535 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2536 if (depth > MagickMaxRecursionDepth)
2537 ThrowBinaryImageException(DrawError,
"VectorGraphicsNestedTooDeeply",
2539 if ((draw_info->primitive == (
char *) NULL) ||
2540 (*draw_info->primitive ==
'\0'))
2541 return(MagickFalse);
2542 if (draw_info->debug != MagickFalse)
2543 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2544 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
2545 return(MagickFalse);
2546 if (image->matte == MagickFalse)
2548 status=SetImageAlphaChannel(image,OpaqueAlphaChannel);
2549 if (status == MagickFalse)
2550 return(MagickFalse);
2552 primitive=(
char *) NULL;
2553 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2554 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2555 primitive=FileToString(draw_info->primitive,~0UL,&image->exception);
2557 primitive=AcquireString(draw_info->primitive);
2558 if (primitive == (
char *) NULL)
2559 return(MagickFalse);
2560 primitive_extent=(double) strlen(primitive);
2561 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2566 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2567 if (graphic_context == (
DrawInfo **) NULL)
2569 primitive=DestroyString(primitive);
2570 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2573 number_points=(size_t) PrimitiveExtentPad;
2574 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2575 (number_points+1),
sizeof(*primitive_info));
2578 primitive=DestroyString(primitive);
2579 for ( ; n >= 0; n--)
2580 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2581 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2582 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2585 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2586 sizeof(*primitive_info));
2587 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2588 mvg_info.primitive_info=(&primitive_info);
2589 mvg_info.extent=(&number_points);
2590 mvg_info.exception=(&image->exception);
2591 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2592 graphic_context[n]->viewbox=image->page;
2593 if ((image->page.width == 0) || (image->page.height == 0))
2595 graphic_context[n]->viewbox.width=image->columns;
2596 graphic_context[n]->viewbox.height=image->rows;
2598 token=AcquireString(primitive);
2599 extent=strlen(token)+MaxTextExtent;
2603 macros=GetMVGMacros(primitive);
2604 status=QueryColorDatabase(
"#000000",&start_color,&image->exception);
2605 for (q=primitive; *q !=
'\0'; )
2610 if (GetNextToken(q,&q,MaxTextExtent,keyword) < 1)
2612 if (*keyword ==
'\0')
2614 if (*keyword ==
'#')
2619 while ((*q !=
'\n') && (*q !=
'\0'))
2623 p=q-strlen(keyword)-1;
2624 primitive_type=UndefinedPrimitive;
2625 current=graphic_context[n]->affine;
2626 GetAffineMatrix(&affine);
2635 if (LocaleCompare(
"affine",keyword) == 0)
2637 (void) GetNextToken(q,&q,extent,token);
2638 affine.sx=GetDrawValue(token,&next_token);
2639 if (token == next_token)
2640 ThrowPointExpectedException(image,token);
2641 (void) GetNextToken(q,&q,extent,token);
2643 (void) GetNextToken(q,&q,extent,token);
2644 affine.rx=GetDrawValue(token,&next_token);
2645 if (token == next_token)
2646 ThrowPointExpectedException(image,token);
2647 (void) GetNextToken(q,&q,extent,token);
2649 (void) GetNextToken(q,&q,extent,token);
2650 affine.ry=GetDrawValue(token,&next_token);
2651 if (token == next_token)
2652 ThrowPointExpectedException(image,token);
2653 (void) GetNextToken(q,&q,extent,token);
2655 (void) GetNextToken(q,&q,extent,token);
2656 affine.sy=GetDrawValue(token,&next_token);
2657 if (token == next_token)
2658 ThrowPointExpectedException(image,token);
2659 (void) GetNextToken(q,&q,extent,token);
2661 (void) GetNextToken(q,&q,extent,token);
2662 affine.tx=GetDrawValue(token,&next_token);
2663 if (token == next_token)
2664 ThrowPointExpectedException(image,token);
2665 (void) GetNextToken(q,&q,extent,token);
2667 (void) GetNextToken(q,&q,extent,token);
2668 affine.ty=GetDrawValue(token,&next_token);
2669 if (token == next_token)
2670 ThrowPointExpectedException(image,token);
2673 if (LocaleCompare(
"arc",keyword) == 0)
2675 primitive_type=ArcPrimitive;
2684 if (LocaleCompare(
"bezier",keyword) == 0)
2686 primitive_type=BezierPrimitive;
2689 if (LocaleCompare(
"border-color",keyword) == 0)
2691 (void) GetNextToken(q,&q,extent,token);
2692 status&=QueryColorDatabase(token,&graphic_context[n]->border_color,
2702 if (LocaleCompare(
"class",keyword) == 0)
2707 (void) GetNextToken(q,&q,extent,token);
2708 if ((*token ==
'\0') || (*token ==
';'))
2716 for (i=0; i < n; i++)
2717 if (LocaleCompare(token,graphic_context[i]->
id) == 0)
2721 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2722 if ((graphic_context[n]->render != MagickFalse) &&
2723 (mvg_class != (
const char *) NULL) && (p > primitive))
2734 offset=(ssize_t) (p-primitive);
2735 elements=AcquireString(primitive);
2736 elements[offset]=
'\0';
2737 (void) ConcatenateString(&elements,mvg_class);
2738 (void) ConcatenateString(&elements,
"\n");
2739 (void) ConcatenateString(&elements,q);
2740 primitive=DestroyString(primitive);
2746 if (LocaleCompare(
"clip-path",keyword) == 0)
2754 (void) GetNextToken(q,&q,extent,token);
2760 (void) CloneString(&graphic_context[n]->clip_mask,token);
2761 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2762 if (clip_path != (
const char *) NULL)
2764 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2765 graphic_context[n]->clipping_mask=
2766 DestroyImage(graphic_context[n]->clipping_mask);
2767 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2768 graphic_context[n],token,clip_path,&image->exception);
2769 if (graphic_context[n]->compliance != SVGCompliance)
2774 clip_path=(
const char *) GetValueFromSplayTree(macros,
2775 graphic_context[n]->clip_mask);
2776 if (clip_path != (
const char *) NULL)
2777 (
void) SetImageArtifact(image,
2778 graphic_context[n]->clip_mask,clip_path);
2779 status&=DrawClipPath(image,graphic_context[n],
2780 graphic_context[n]->clip_mask);
2785 if (LocaleCompare(
"clip-rule",keyword) == 0)
2790 (void) GetNextToken(q,&q,extent,token);
2791 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2793 if (fill_rule == -1)
2798 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2801 if (LocaleCompare(
"clip-units",keyword) == 0)
2806 (void) GetNextToken(q,&q,extent,token);
2807 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2809 if (clip_units == -1)
2814 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2815 if (clip_units == ObjectBoundingBox)
2817 GetAffineMatrix(¤t);
2818 affine.sx=draw_info->bounds.x2;
2819 affine.sy=draw_info->bounds.y2;
2820 affine.tx=draw_info->bounds.x1;
2821 affine.ty=draw_info->bounds.y1;
2826 if (LocaleCompare(
"circle",keyword) == 0)
2828 primitive_type=CirclePrimitive;
2831 if (LocaleCompare(
"color",keyword) == 0)
2833 primitive_type=ColorPrimitive;
2836 if (LocaleCompare(
"compliance",keyword) == 0)
2842 (void) GetNextToken(q,&q,extent,token);
2843 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2844 MagickComplianceOptions,MagickFalse,token);
2847 if (LocaleCompare(
"currentColor",keyword) == 0)
2849 (void) GetNextToken(q,&q,extent,token);
2858 if (LocaleCompare(
"decorate",keyword) == 0)
2863 (void) GetNextToken(q,&q,extent,token);
2864 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2871 graphic_context[n]->decorate=(DecorationType) decorate;
2874 if (LocaleCompare(
"density",keyword) == 0)
2876 (void) GetNextToken(q,&q,extent,token);
2877 (void) CloneString(&graphic_context[n]->density,token);
2880 if (LocaleCompare(
"direction",keyword) == 0)
2885 (void) GetNextToken(q,&q,extent,token);
2886 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2888 if (direction == -1)
2891 graphic_context[n]->direction=(DirectionType) direction;
2900 if (LocaleCompare(
"ellipse",keyword) == 0)
2902 primitive_type=EllipsePrimitive;
2905 if (LocaleCompare(
"encoding",keyword) == 0)
2907 (void) GetNextToken(q,&q,extent,token);
2908 (void) CloneString(&graphic_context[n]->encoding,token);
2917 if (LocaleCompare(
"fill",keyword) == 0)
2922 (void) GetNextToken(q,&q,extent,token);
2923 if (graphic_context[n]->clip_path != MagickFalse)
2925 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2926 if (mvg_class != (
const char *) NULL)
2928 (void) DrawPatternPath(image,draw_info,mvg_class,
2929 &graphic_context[n]->fill_pattern);
2932 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
2933 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2935 (void) DrawPatternPath(image,draw_info,token,
2936 &graphic_context[n]->fill_pattern);
2939 status&=QueryColorDatabase(token,&graphic_context[n]->fill,
2941 if (graphic_context[n]->fill_opacity != (
double) OpaqueOpacity)
2942 graphic_context[n]->fill.opacity=ClampToQuantum(
2943 graphic_context[n]->fill_opacity);
2946 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2951 (void) GetNextToken(q,&q,extent,token);
2952 if (graphic_context[n]->clip_path != MagickFalse)
2954 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2955 opacity=MagickMin(MagickMax(factor*
2956 GetDrawValue(token,&next_token),0.0),1.0);
2957 if (token == next_token)
2958 ThrowPointExpectedException(image,token);
2959 if (graphic_context[n]->compliance == SVGCompliance)
2960 graphic_context[n]->fill_opacity*=(1.0-opacity);
2962 graphic_context[n]->fill_opacity=((MagickRealType) QuantumRange-
2963 graphic_context[n]->fill_opacity)*(1.0-opacity);
2964 if (graphic_context[n]->fill.opacity != TransparentOpacity)
2965 graphic_context[n]->fill.opacity=(Quantum)
2966 graphic_context[n]->fill_opacity;
2968 graphic_context[n]->fill.opacity=ClampToQuantum((MagickRealType)
2969 QuantumRange*(1.0-opacity));
2972 if (LocaleCompare(
"fill-rule",keyword) == 0)
2977 (void) GetNextToken(q,&q,extent,token);
2978 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2980 if (fill_rule == -1)
2985 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2988 if (LocaleCompare(
"font",keyword) == 0)
2990 (void) GetNextToken(q,&q,extent,token);
2991 (void) CloneString(&graphic_context[n]->font,token);
2992 if (LocaleCompare(
"none",token) == 0)
2993 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
2994 graphic_context[n]->font);
2997 if (LocaleCompare(
"font-family",keyword) == 0)
2999 (void) GetNextToken(q,&q,extent,token);
3000 (void) CloneString(&graphic_context[n]->family,token);
3003 if (LocaleCompare(
"font-size",keyword) == 0)
3005 (void) GetNextToken(q,&q,extent,token);
3006 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3007 if (token == next_token)
3008 ThrowPointExpectedException(image,token);
3011 if (LocaleCompare(
"font-stretch",keyword) == 0)
3016 (void) GetNextToken(q,&q,extent,token);
3017 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3023 graphic_context[n]->stretch=(StretchType) stretch;
3026 if (LocaleCompare(
"font-style",keyword) == 0)
3031 (void) GetNextToken(q,&q,extent,token);
3032 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3038 graphic_context[n]->style=(StyleType) style;
3041 if (LocaleCompare(
"font-weight",keyword) == 0)
3046 (void) GetNextToken(q,&q,extent,token);
3047 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3049 weight=(ssize_t) StringToUnsignedLong(token);
3050 graphic_context[n]->weight=(size_t) weight;
3059 if (LocaleCompare(
"gradient-units",keyword) == 0)
3061 (void) GetNextToken(q,&q,extent,token);
3064 if (LocaleCompare(
"gravity",keyword) == 0)
3069 (void) GetNextToken(q,&q,extent,token);
3070 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3076 graphic_context[n]->gravity=(GravityType) gravity;
3085 if (LocaleCompare(
"image",keyword) == 0)
3090 primitive_type=ImagePrimitive;
3091 (void) GetNextToken(q,&q,extent,token);
3092 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3098 graphic_context[n]->compose=(CompositeOperator) compose;
3101 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3103 (void) GetNextToken(q,&q,extent,token);
3104 graphic_context[n]->interline_spacing=GetDrawValue(token,
3106 if (token == next_token)
3107 ThrowPointExpectedException(image,token);
3110 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3112 (void) GetNextToken(q,&q,extent,token);
3113 graphic_context[n]->interword_spacing=GetDrawValue(token,
3115 if (token == next_token)
3116 ThrowPointExpectedException(image,token);
3125 if (LocaleCompare(
"kerning",keyword) == 0)
3127 (void) GetNextToken(q,&q,extent,token);
3128 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3129 if (token == next_token)
3130 ThrowPointExpectedException(image,token);
3139 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3141 (void) GetNextToken(q,&q,extent,token);
3142 if (IsPoint(token) == MagickFalse)
3144 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3145 clone_info->text=AcquireString(
" ");
3146 status&=GetTypeMetrics(image,clone_info,&metrics);
3147 graphic_context[n]->kerning=metrics.width*
3148 GetDrawValue(token,&next_token);
3149 clone_info=DestroyDrawInfo(clone_info);
3150 if (token == next_token)
3151 ThrowPointExpectedException(image,token);
3154 if (LocaleCompare(
"line",keyword) == 0)
3156 primitive_type=LinePrimitive;
3165 if (LocaleCompare(
"mask",keyword) == 0)
3173 (void) GetNextToken(q,&q,extent,token);
3174 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3175 if (mask_path != (
const char *) NULL)
3177 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3178 graphic_context[n]->composite_mask=
3179 DestroyImage(graphic_context[n]->composite_mask);
3180 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3181 graphic_context[n],token,mask_path,&image->exception);
3182 if (graphic_context[n]->compliance != SVGCompliance)
3183 status=SetImageMask(image,graphic_context[n]->composite_mask);
3187 if (LocaleCompare(
"matte",keyword) == 0)
3189 primitive_type=MattePrimitive;
3198 if (LocaleCompare(
"offset",keyword) == 0)
3200 (void) GetNextToken(q,&q,extent,token);
3203 if (LocaleCompare(
"opacity",keyword) == 0)
3208 (void) GetNextToken(q,&q,extent,token);
3209 if (graphic_context[n]->clip_path != MagickFalse)
3211 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3212 opacity=1.0-MagickMin(MagickMax(factor*
3213 GetDrawValue(token,&next_token),0.0),1.0);
3214 if (token == next_token)
3215 ThrowPointExpectedException(image,token);
3216 if (graphic_context[n]->compliance == SVGCompliance)
3218 graphic_context[n]->fill_opacity*=opacity;
3219 graphic_context[n]->stroke_opacity*=opacity;
3223 graphic_context[n]->fill_opacity=(double) QuantumRange*opacity;
3224 graphic_context[n]->stroke_opacity=(double) QuantumRange*
3227 if (graphic_context[n]->fill.opacity != (
double) TransparentOpacity)
3229 graphic_context[n]->fill.opacity=
3230 graphic_context[n]->fill_opacity;
3231 graphic_context[n]->stroke.opacity=
3232 graphic_context[n]->stroke_opacity;
3236 graphic_context[n]->fill.opacity=(MagickRealType)
3237 ClampToQuantum((
double) QuantumRange*opacity);
3238 graphic_context[n]->stroke.opacity=(MagickRealType)
3239 ClampToQuantum((
double) QuantumRange*opacity);
3249 if (LocaleCompare(
"path",keyword) == 0)
3251 primitive_type=PathPrimitive;
3254 if (LocaleCompare(
"point",keyword) == 0)
3256 primitive_type=PointPrimitive;
3259 if (LocaleCompare(
"polyline",keyword) == 0)
3261 primitive_type=PolylinePrimitive;
3264 if (LocaleCompare(
"polygon",keyword) == 0)
3266 primitive_type=PolygonPrimitive;
3269 if (LocaleCompare(
"pop",keyword) == 0)
3271 if (GetNextToken(q,&q,extent,token) < 1)
3273 if (LocaleCompare(
"class",token) == 0)
3275 if (LocaleCompare(
"clip-path",token) == 0)
3277 if (LocaleCompare(
"defs",token) == 0)
3280 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3284 if (LocaleCompare(
"gradient",token) == 0)
3286 if (LocaleCompare(
"graphic-context",token) == 0)
3290 (void) ThrowMagickException(&image->exception,
3291 GetMagickModule(),DrawError,
3292 "UnbalancedGraphicContextPushPop",
"`%s'",token);
3297 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3298 (graphic_context[n]->compliance != SVGCompliance))
3299 if (LocaleCompare(graphic_context[n]->clip_mask,
3300 graphic_context[n-1]->clip_mask) != 0)
3301 status=SetImageClipMask(image,(
Image *) NULL);
3302 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3306 if (LocaleCompare(
"mask",token) == 0)
3308 if (LocaleCompare(
"pattern",token) == 0)
3310 if (LocaleCompare(
"symbol",token) == 0)
3313 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3320 if (LocaleCompare(
"push",keyword) == 0)
3322 if (GetNextToken(q,&q,extent,token) < 1)
3324 if (LocaleCompare(
"class",token) == 0)
3329 for (p=q; *q !=
'\0'; )
3331 if (GetNextToken(q,&q,extent,token) < 1)
3333 if (LocaleCompare(token,
"pop") != 0)
3335 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3336 if (LocaleCompare(token,
"class") != 0)
3340 (void) GetNextToken(q,&q,extent,token);
3343 if (LocaleCompare(
"clip-path",token) == 0)
3345 (void) GetNextToken(q,&q,extent,token);
3346 for (p=q; *q !=
'\0'; )
3348 if (GetNextToken(q,&q,extent,token) < 1)
3350 if (LocaleCompare(token,
"pop") != 0)
3352 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3353 if (LocaleCompare(token,
"clip-path") != 0)
3357 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3362 (void) GetNextToken(q,&q,extent,token);
3365 if (LocaleCompare(
"defs",token) == 0)
3368 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3372 if (LocaleCompare(
"gradient",token) == 0)
3375 key[2*MaxTextExtent],
3376 name[MaxTextExtent],
3377 type[MaxTextExtent];
3382 (void) GetNextToken(q,&q,extent,token);
3383 (void) CopyMagickString(name,token,MaxTextExtent);
3384 (void) GetNextToken(q,&q,extent,token);
3385 (void) CopyMagickString(type,token,MaxTextExtent);
3386 (void) GetNextToken(q,&q,extent,token);
3387 segment.x1=GetDrawValue(token,&next_token);
3388 if (token == next_token)
3389 ThrowPointExpectedException(image,token);
3390 (void) GetNextToken(q,&q,extent,token);
3392 (void) GetNextToken(q,&q,extent,token);
3393 segment.y1=GetDrawValue(token,&next_token);
3394 if (token == next_token)
3395 ThrowPointExpectedException(image,token);
3396 (void) GetNextToken(q,&q,extent,token);
3398 (void) GetNextToken(q,&q,extent,token);
3399 segment.x2=GetDrawValue(token,&next_token);
3400 if (token == next_token)
3401 ThrowPointExpectedException(image,token);
3402 (void) GetNextToken(q,&q,extent,token);
3404 (void) GetNextToken(q,&q,extent,token);
3405 segment.y2=GetDrawValue(token,&next_token);
3406 if (token == next_token)
3407 ThrowPointExpectedException(image,token);
3408 if (LocaleCompare(type,
"radial") == 0)
3410 (void) GetNextToken(q,&q,extent,token);
3412 (void) GetNextToken(q,&q,extent,token);
3414 for (p=q; *q !=
'\0'; )
3416 if (GetNextToken(q,&q,extent,token) < 1)
3418 if (LocaleCompare(token,
"pop") != 0)
3420 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3421 if (LocaleCompare(token,
"gradient") != 0)
3425 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3426 (p == (
char *) NULL) || ((q-4) < p))
3431 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3432 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3433 graphic_context[n]->affine.ry*segment.y1+
3434 graphic_context[n]->affine.tx;
3435 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3436 graphic_context[n]->affine.sy*segment.y1+
3437 graphic_context[n]->affine.ty;
3438 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3439 graphic_context[n]->affine.ry*segment.y2+
3440 graphic_context[n]->affine.tx;
3441 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3442 graphic_context[n]->affine.sy*segment.y2+
3443 graphic_context[n]->affine.ty;
3444 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3445 (void) SetImageArtifact(image,key,token);
3446 (void) FormatLocaleString(key,MaxTextExtent,
"%s-type",name);
3447 (void) SetImageArtifact(image,key,type);
3448 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3449 (void) FormatLocaleString(geometry,MaxTextExtent,
3450 "%gx%g%+.15g%+.15g",
3451 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3452 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3453 bounds.x1,bounds.y1);
3454 (void) SetImageArtifact(image,key,geometry);
3455 (void) GetNextToken(q,&q,extent,token);
3458 if (LocaleCompare(
"graphic-context",token) == 0)
3461 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3462 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3463 if (graphic_context == (
DrawInfo **) NULL)
3465 (void) ThrowMagickException(&image->exception,
3466 GetMagickModule(),ResourceLimitError,
3467 "MemoryAllocationFailed",
"`%s'",image->filename);
3470 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3471 graphic_context[n-1]);
3474 (void) GetNextToken(q,&q,extent,token);
3475 (void) CloneString(&graphic_context[n]->
id,token);
3479 if (LocaleCompare(
"mask",token) == 0)
3481 (void) GetNextToken(q,&q,extent,token);
3484 if (LocaleCompare(
"pattern",token) == 0)
3489 (void) GetNextToken(q,&q,extent,token);
3490 (void) CopyMagickString(name,token,MaxTextExtent);
3491 (void) GetNextToken(q,&q,extent,token);
3492 bounds.x=CastDoubleToLong(ceil(GetDrawValue(token,
3494 if (token == next_token)
3495 ThrowPointExpectedException(image,token);
3496 (void) GetNextToken(q,&q,extent,token);
3498 (void) GetNextToken(q,&q,extent,token);
3499 bounds.y=CastDoubleToLong(ceil(GetDrawValue(token,
3501 if (token == next_token)
3502 ThrowPointExpectedException(image,token);
3503 (void) GetNextToken(q,&q,extent,token);
3505 (void) GetNextToken(q,&q,extent,token);
3506 bounds.width=CastDoubleToUnsigned(GetDrawValue(token,
3508 if (token == next_token)
3509 ThrowPointExpectedException(image,token);
3510 (void) GetNextToken(q,&q,extent,token);
3512 (void) GetNextToken(q,&q,extent,token);
3513 bounds.height=CastDoubleToUnsigned(GetDrawValue(token,
3515 if (token == next_token)
3516 ThrowPointExpectedException(image,token);
3517 for (p=q; *q !=
'\0'; )
3519 if (GetNextToken(q,&q,extent,token) < 1)
3521 if (LocaleCompare(token,
"pop") != 0)
3523 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3524 if (LocaleCompare(token,
"pattern") != 0)
3528 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3533 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3534 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3535 (void) SetImageArtifact(image,key,token);
3536 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3537 (void) FormatLocaleString(geometry,MaxTextExtent,
3538 "%.20gx%.20g%+.20g%+.20g",(
double) bounds.width,(double)
3539 bounds.height,(
double) bounds.x,(double) bounds.y);
3540 (void) SetImageArtifact(image,key,geometry);
3541 (void) GetNextToken(q,&q,extent,token);
3544 if (LocaleCompare(
"symbol",token) == 0)
3547 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3560 if (LocaleCompare(
"rectangle",keyword) == 0)
3562 primitive_type=RectanglePrimitive;
3565 if (LocaleCompare(
"rotate",keyword) == 0)
3567 (void) GetNextToken(q,&q,extent,token);
3568 angle=GetDrawValue(token,&next_token);
3569 if (token == next_token)
3570 ThrowPointExpectedException(image,token);
3571 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3572 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3573 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3574 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3577 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3579 primitive_type=RoundRectanglePrimitive;
3588 if (LocaleCompare(
"scale",keyword) == 0)
3590 (void) GetNextToken(q,&q,extent,token);
3591 affine.sx=GetDrawValue(token,&next_token);
3592 if (token == next_token)
3593 ThrowPointExpectedException(image,token);
3594 (void) GetNextToken(q,&q,extent,token);
3596 (void) GetNextToken(q,&q,extent,token);
3597 affine.sy=GetDrawValue(token,&next_token);
3598 if (token == next_token)
3599 ThrowPointExpectedException(image,token);
3602 if (LocaleCompare(
"skewX",keyword) == 0)
3604 (void) GetNextToken(q,&q,extent,token);
3605 angle=GetDrawValue(token,&next_token);
3606 if (token == next_token)
3607 ThrowPointExpectedException(image,token);
3608 affine.ry=sin(DegreesToRadians(angle));
3611 if (LocaleCompare(
"skewY",keyword) == 0)
3613 (void) GetNextToken(q,&q,extent,token);
3614 angle=GetDrawValue(token,&next_token);
3615 if (token == next_token)
3616 ThrowPointExpectedException(image,token);
3617 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3620 if (LocaleCompare(
"stop-color",keyword) == 0)
3628 (void) GetNextToken(q,&q,extent,token);
3629 status&=QueryColorDatabase(token,&stop_color,&image->exception);
3630 type=LinearGradient;
3631 if (draw_info->gradient.type == RadialGradient)
3632 type=RadialGradient;
3633 (void) GradientImage(image,type,PadSpread,&start_color,&stop_color);
3634 start_color=stop_color;
3635 (void) GetNextToken(q,&q,extent,token);
3638 if (LocaleCompare(
"stroke",keyword) == 0)
3643 (void) GetNextToken(q,&q,extent,token);
3644 if (graphic_context[n]->clip_path != MagickFalse)
3646 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3647 if (mvg_class != (
const char *) NULL)
3649 (void) DrawPatternPath(image,draw_info,mvg_class,
3650 &graphic_context[n]->stroke_pattern);
3653 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
3654 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3656 (void) DrawPatternPath(image,draw_info,token,
3657 &graphic_context[n]->stroke_pattern);
3660 status&=QueryColorDatabase(token,&graphic_context[n]->stroke,
3662 if (graphic_context[n]->stroke_opacity != (MagickRealType) OpaqueOpacity)
3663 graphic_context[n]->stroke.opacity=ClampToQuantum(
3664 graphic_context[n]->stroke_opacity);
3667 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3669 (void) GetNextToken(q,&q,extent,token);
3670 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3671 MagickTrue : MagickFalse;
3674 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3676 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3677 graphic_context[n]->dash_pattern=(
double *)
3678 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3679 if (IsPoint(q) != MagickFalse)
3685 (void) GetNextToken(p,&p,extent,token);
3687 (void) GetNextToken(p,&p,extent,token);
3688 for (x=0; IsPoint(token) != MagickFalse; x++)
3690 (void) GetNextToken(p,&p,extent,token);
3692 (void) GetNextToken(p,&p,extent,token);
3694 graphic_context[n]->dash_pattern=(
double *)
3695 AcquireQuantumMemory((
size_t) (2*x+2),
3696 sizeof(*graphic_context[n]->dash_pattern));
3697 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3699 (void) ThrowMagickException(&image->exception,
3700 GetMagickModule(),ResourceLimitError,
3701 "MemoryAllocationFailed",
"`%s'",image->filename);
3705 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3706 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3707 for (j=0; j < x; j++)
3709 (void) GetNextToken(q,&q,extent,token);
3711 (void) GetNextToken(q,&q,extent,token);
3712 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3714 if (token == next_token)
3715 ThrowPointExpectedException(image,token);
3716 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3719 if ((x & 0x01) != 0)
3720 for ( ; j < (2*x); j++)
3721 graphic_context[n]->dash_pattern[j]=
3722 graphic_context[n]->dash_pattern[j-x];
3723 graphic_context[n]->dash_pattern[j]=0.0;
3726 (void) GetNextToken(q,&q,extent,token);
3729 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3731 (void) GetNextToken(q,&q,extent,token);
3732 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3733 if (token == next_token)
3734 ThrowPointExpectedException(image,token);
3737 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3742 (void) GetNextToken(q,&q,extent,token);
3743 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3749 graphic_context[n]->linecap=(LineCap) linecap;
3752 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3757 (void) GetNextToken(q,&q,extent,token);
3758 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3765 graphic_context[n]->linejoin=(LineJoin) linejoin;
3768 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3770 (void) GetNextToken(q,&q,extent,token);
3771 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3774 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3779 (void) GetNextToken(q,&q,extent,token);
3780 if (graphic_context[n]->clip_path != MagickFalse)
3782 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3783 opacity=MagickMin(MagickMax(factor*
3784 GetDrawValue(token,&next_token),0.0),1.0);
3785 if (token == next_token)
3786 ThrowPointExpectedException(image,token);
3787 if (graphic_context[n]->compliance == SVGCompliance)
3788 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3790 graphic_context[n]->stroke_opacity=((MagickRealType) QuantumRange-
3791 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3792 if (graphic_context[n]->stroke.opacity != TransparentOpacity)
3793 graphic_context[n]->stroke.opacity=(Quantum)
3794 graphic_context[n]->stroke_opacity;
3796 graphic_context[n]->stroke.opacity=ClampToQuantum(
3797 (MagickRealType) QuantumRange*opacity);
3800 if (LocaleCompare(
"stroke-width",keyword) == 0)
3802 (void) GetNextToken(q,&q,extent,token);
3803 if (graphic_context[n]->clip_path != MagickFalse)
3805 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3806 if ((token == next_token) ||
3807 (graphic_context[n]->stroke_width < 0.0))
3808 ThrowPointExpectedException(image,token);
3817 if (LocaleCompare(
"text",keyword) == 0)
3819 primitive_type=TextPrimitive;
3823 if (LocaleCompare(
"text-align",keyword) == 0)
3828 (void) GetNextToken(q,&q,extent,token);
3829 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3835 graphic_context[n]->align=(AlignType) align;
3838 if (LocaleCompare(
"text-anchor",keyword) == 0)
3843 (void) GetNextToken(q,&q,extent,token);
3844 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3850 graphic_context[n]->align=(AlignType) align;
3853 if (LocaleCompare(
"text-antialias",keyword) == 0)
3855 (void) GetNextToken(q,&q,extent,token);
3856 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3857 MagickTrue : MagickFalse;
3860 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3862 (void) GetNextToken(q,&q,extent,token);
3863 status&=QueryColorDatabase(token,&graphic_context[n]->undercolor,
3867 if (LocaleCompare(
"translate",keyword) == 0)
3869 (void) GetNextToken(q,&q,extent,token);
3870 affine.tx=GetDrawValue(token,&next_token);
3871 if (token == next_token)
3872 ThrowPointExpectedException(image,token);
3873 (void) GetNextToken(q,&q,extent,token);
3875 (void) GetNextToken(q,&q,extent,token);
3876 affine.ty=GetDrawValue(token,&next_token);
3877 if (token == next_token)
3878 ThrowPointExpectedException(image,token);
3887 if (LocaleCompare(
"use",keyword) == 0)
3895 (void) GetNextToken(q,&q,extent,token);
3896 use=(
const char *) GetValueFromSplayTree(macros,token);
3897 if (use != (
const char *) NULL)
3899 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3900 (void) CloneString(&clone_info->primitive,use);
3901 status=RenderMVGContent(image,clone_info,depth+1);
3902 clone_info=DestroyDrawInfo(clone_info);
3912 if (LocaleCompare(
"viewbox",keyword) == 0)
3914 (void) GetNextToken(q,&q,extent,token);
3915 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3916 GetDrawValue(token,&next_token)-0.5));
3917 if (token == next_token)
3918 ThrowPointExpectedException(image,token);
3919 (void) GetNextToken(q,&q,extent,token);
3921 (void) GetNextToken(q,&q,extent,token);
3922 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3923 GetDrawValue(token,&next_token)-0.5));
3924 if (token == next_token)
3925 ThrowPointExpectedException(image,token);
3926 (void) GetNextToken(q,&q,extent,token);
3928 (void) GetNextToken(q,&q,extent,token);
3929 graphic_context[n]->viewbox.width=CastDoubleToUnsigned(
3930 GetDrawValue(token,&next_token)+0.5);
3931 if (token == next_token)
3932 ThrowPointExpectedException(image,token);
3933 (void) GetNextToken(q,&q,extent,token);
3935 (void) GetNextToken(q,&q,extent,token);
3936 graphic_context[n]->viewbox.height=CastDoubleToUnsigned(
3937 GetDrawValue(token,&next_token)+0.5);
3938 if (token == next_token)
3939 ThrowPointExpectedException(image,token);
3948 if (LocaleCompare(
"word-spacing",keyword) == 0)
3950 (void) GetNextToken(q,&q,extent,token);
3951 graphic_context[n]->interword_spacing=GetDrawValue(token,
3953 if (token == next_token)
3954 ThrowPointExpectedException(image,token);
3966 if (status == MagickFalse)
3968 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3969 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3970 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3971 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3973 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3974 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3975 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3976 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3977 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3979 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3982 if (primitive_type == UndefinedPrimitive)
3984 if ((draw_info->debug != MagickFalse) && (q > p))
3985 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
3992 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
3993 if (primitive_info[i].text != (
char *) NULL)
3994 primitive_info[i].text=DestroyString(primitive_info[i].text);
3998 primitive_info[0].point.x=0.0;
3999 primitive_info[0].point.y=0.0;
4000 primitive_info[0].coordinates=0;
4001 primitive_info[0].method=FloodfillMethod;
4002 primitive_info[0].closed_subpath=MagickFalse;
4003 for (x=0; *q !=
'\0'; x++)
4008 if (IsPoint(q) == MagickFalse)
4010 (void) GetNextToken(q,&q,extent,token);
4011 point.x=GetDrawValue(token,&next_token);
4012 if (token == next_token)
4013 ThrowPointExpectedException(image,token);
4014 (void) GetNextToken(q,&q,extent,token);
4016 (void) GetNextToken(q,&q,extent,token);
4017 point.y=GetDrawValue(token,&next_token);
4018 if (token == next_token)
4019 ThrowPointExpectedException(image,token);
4020 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4022 (void) GetNextToken(q,&q,extent,token);
4023 primitive_info[i].primitive=primitive_type;
4024 primitive_info[i].point=point;
4025 primitive_info[i].coordinates=0;
4026 primitive_info[i].method=FloodfillMethod;
4027 primitive_info[i].closed_subpath=MagickFalse;
4030 if (i < (ssize_t) number_points)
4032 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4033 primitive_info=(*mvg_info.primitive_info);
4035 if (status == MagickFalse)
4037 if (primitive_info[j].text != (
char *) NULL)
4038 primitive_info[j].text=DestroyString(primitive_info[j].text);
4039 primitive_info[j].primitive=primitive_type;
4040 primitive_info[j].coordinates=(size_t) x;
4041 primitive_info[j].method=FloodfillMethod;
4042 primitive_info[j].closed_subpath=MagickFalse;
4046 bounds.x1=primitive_info[j].point.x;
4047 bounds.y1=primitive_info[j].point.y;
4048 bounds.x2=primitive_info[j].point.x;
4049 bounds.y2=primitive_info[j].point.y;
4050 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4052 point=primitive_info[j+k].point;
4053 if (point.x < bounds.x1)
4055 if (point.y < bounds.y1)
4057 if (point.x > bounds.x2)
4059 if (point.y > bounds.y2)
4065 coordinates=(double) primitive_info[j].coordinates;
4066 switch (primitive_type)
4068 case RectanglePrimitive:
4073 case RoundRectanglePrimitive:
4080 alpha=bounds.x2-bounds.x1;
4081 beta=bounds.y2-bounds.y1;
4082 radius=hypot(alpha,beta);
4084 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4085 BezierQuantum+360.0;
4088 case BezierPrimitive:
4090 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4099 (void) GetNextToken(q,&q,extent,token);
4102 for (s=token; *s !=
'\0'; s=t)
4107 value=GetDrawValue(s,&t);
4116 for (s=token; *s !=
'\0'; s++)
4117 if (strspn(s,
"AaCcQqSsTt") != 0)
4118 coordinates+=(20.0*BezierQuantum)+360.0;
4124 if (status == MagickFalse)
4126 if (((
size_t) (i+coordinates)) >= number_points)
4131 number_points+=coordinates+1;
4132 if (number_points < (
size_t) coordinates)
4134 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4135 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4140 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4141 primitive_info=(*mvg_info.primitive_info);
4143 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4144 primitive_info=(*mvg_info.primitive_info);
4145 if (status == MagickFalse)
4148 switch (primitive_type)
4150 case PointPrimitive:
4153 if (primitive_info[j].coordinates != 1)
4158 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4159 primitive_info=(*mvg_info.primitive_info);
4160 i=(ssize_t) (j+primitive_info[j].coordinates);
4165 if (primitive_info[j].coordinates != 2)
4170 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4171 primitive_info[j+1].point);
4172 primitive_info=(*mvg_info.primitive_info);
4173 i=(ssize_t) (j+primitive_info[j].coordinates);
4176 case RectanglePrimitive:
4178 if (primitive_info[j].coordinates != 2)
4183 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4184 primitive_info[j+1].point);
4185 primitive_info=(*mvg_info.primitive_info);
4186 i=(ssize_t) (j+primitive_info[j].coordinates);
4189 case RoundRectanglePrimitive:
4191 if (primitive_info[j].coordinates != 3)
4196 if ((primitive_info[j+2].point.x < 0.0) ||
4197 (primitive_info[j+2].point.y < 0.0))
4202 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4207 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4212 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4213 primitive_info[j+1].point,primitive_info[j+2].point);
4214 primitive_info=(*mvg_info.primitive_info);
4215 i=(ssize_t) (j+primitive_info[j].coordinates);
4220 if (primitive_info[j].coordinates != 3)
4225 status&=TraceArc(&mvg_info,primitive_info[j].point,
4226 primitive_info[j+1].point,primitive_info[j+2].point);
4227 primitive_info=(*mvg_info.primitive_info);
4228 i=(ssize_t) (j+primitive_info[j].coordinates);
4231 case EllipsePrimitive:
4233 if (primitive_info[j].coordinates != 3)
4238 if ((primitive_info[j+1].point.x < 0.0) ||
4239 (primitive_info[j+1].point.y < 0.0))
4244 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4245 primitive_info[j+1].point,primitive_info[j+2].point);
4246 primitive_info=(*mvg_info.primitive_info);
4247 i=(ssize_t) (j+primitive_info[j].coordinates);
4250 case CirclePrimitive:
4252 if (primitive_info[j].coordinates != 2)
4257 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4258 primitive_info[j+1].point);
4259 primitive_info=(*mvg_info.primitive_info);
4260 i=(ssize_t) (j+primitive_info[j].coordinates);
4263 case PolylinePrimitive:
4265 if (primitive_info[j].coordinates < 1)
4272 case PolygonPrimitive:
4274 if (primitive_info[j].coordinates < 3)
4279 primitive_info[i]=primitive_info[j];
4280 primitive_info[i].coordinates=0;
4281 primitive_info[j].coordinates++;
4282 primitive_info[j].closed_subpath=MagickTrue;
4286 case BezierPrimitive:
4288 if (primitive_info[j].coordinates < 3)
4293 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4294 primitive_info=(*mvg_info.primitive_info);
4295 i=(ssize_t) (j+primitive_info[j].coordinates);
4300 coordinates=(double) TracePath(image,&mvg_info,token);
4301 primitive_info=(*mvg_info.primitive_info);
4302 if (coordinates < 0.0)
4307 i=(ssize_t) (j+coordinates);
4310 case ColorPrimitive:
4311 case MattePrimitive:
4316 if (primitive_info[j].coordinates != 1)
4321 (void) GetNextToken(q,&q,extent,token);
4322 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4328 primitive_info[j].method=(PaintMethod) method;
4334 geometry[MagickPathExtent];
4336 if (primitive_info[j].coordinates != 1)
4342 (void) GetNextToken(q,&q,extent,token);
4343 (void) CloneString(&primitive_info[j].text,token);
4347 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4348 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4349 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4351 mvg_info.point=primitive_info->point;
4352 primitive_info->point.x+=cursor;
4356 mvg_info.point=primitive_info->point;
4359 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
4360 primitive_info->point.x,primitive_info->point.y);
4361 clone_info->render=MagickFalse;
4362 clone_info->text=AcquireString(token);
4363 status&=GetTypeMetrics(image,clone_info,&metrics);
4364 clone_info=DestroyDrawInfo(clone_info);
4365 cursor+=metrics.width;
4366 if (graphic_context[n]->compliance != SVGCompliance)
4370 case ImagePrimitive:
4372 if (primitive_info[j].coordinates != 2)
4377 (void) GetNextToken(q,&q,extent,token);
4378 (void) CloneString(&primitive_info[j].text,token);
4385 primitive_info[i].primitive=UndefinedPrimitive;
4386 if ((draw_info->debug != MagickFalse) && (q > p))
4387 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4391 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4392 &graphic_context[n]->affine));
4393 primitive_info=(*mvg_info.primitive_info);
4396 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4397 graphic_context[n]->stroke_width);
4398 primitive_info=(*mvg_info.primitive_info);
4406 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4408 point=primitive_info[i].point;
4409 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4410 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4411 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4412 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4413 point=primitive_info[i].point;
4414 if (point.x < graphic_context[n]->bounds.x1)
4415 graphic_context[n]->bounds.x1=point.x;
4416 if (point.y < graphic_context[n]->bounds.y1)
4417 graphic_context[n]->bounds.y1=point.y;
4418 if (point.x > graphic_context[n]->bounds.x2)
4419 graphic_context[n]->bounds.x2=point.x;
4420 if (point.y > graphic_context[n]->bounds.y2)
4421 graphic_context[n]->bounds.y2=point.y;
4422 if (primitive_info[i].primitive == ImagePrimitive)
4424 if (i >= (ssize_t) number_points)
4425 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4427 if (graphic_context[n]->render != MagickFalse)
4429 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4430 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4431 (LocaleCompare(graphic_context[n]->clip_mask,
4432 graphic_context[n-1]->clip_mask) != 0))
4437 clip_path=(
const char *) GetValueFromSplayTree(macros,
4438 graphic_context[n]->clip_mask);
4439 if (clip_path != (
const char *) NULL)
4440 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4442 status&=DrawClipPath(image,graphic_context[n],
4443 graphic_context[n]->clip_mask);
4445 status&=DrawPrimitive(image,graphic_context[n],primitive_info);
4447 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4449 if (proceed == MagickFalse)
4454 if (draw_info->debug != MagickFalse)
4455 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4459 macros=DestroySplayTree(macros);
4460 token=DestroyString(token);
4463 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4464 if (primitive_info[i].text != (
char *) NULL)
4465 primitive_info[i].text=DestroyString(primitive_info[i].text);
4466 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4468 primitive=DestroyString(primitive);
4469 for ( ; n >= 0; n--)
4470 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4471 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4472 if (status == MagickFalse)
4473 ThrowBinaryImageException(DrawError,
4474 "NonconformingDrawingPrimitiveDefinition",keyword);
4475 return(status != 0 ? MagickTrue : MagickFalse);
4478MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info)
4480 return(RenderMVGContent(image,draw_info,0));
4512MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4516 property[MaxTextExtent];
4532 assert(image != (
Image *) NULL);
4533 assert(image->signature == MagickCoreSignature);
4534 assert(draw_info != (
const DrawInfo *) NULL);
4535 if (IsEventLogging() != MagickFalse)
4536 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4537 assert(name != (
const char *) NULL);
4538 (void) FormatLocaleString(property,MaxTextExtent,
"%s",name);
4539 path=GetImageArtifact(image,property);
4540 if (path == (
const char *) NULL)
4541 return(MagickFalse);
4542 (void) FormatLocaleString(property,MaxTextExtent,
"%s-geometry",name);
4543 geometry=GetImageArtifact(image,property);
4544 if (geometry == (
const char *) NULL)
4545 return(MagickFalse);
4546 if ((*pattern) != (
Image *) NULL)
4547 *pattern=DestroyImage(*pattern);
4548 image_info=AcquireImageInfo();
4549 image_info->size=AcquireString(geometry);
4550 *pattern=AcquireImage(image_info);
4551 image_info=DestroyImageInfo(image_info);
4552 (void) QueryColorDatabase(
"#00000000",&(*pattern)->background_color,
4554 (void) SetImageBackgroundColor(*pattern);
4555 if (draw_info->debug != MagickFalse)
4556 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4557 "begin pattern-path %s %s",name,geometry);
4558 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4559 if (clone_info->fill_pattern != (
Image *) NULL)
4560 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4561 if (clone_info->stroke_pattern != (
Image *) NULL)
4562 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4563 (void) FormatLocaleString(property,MaxTextExtent,
"%s-type",name);
4564 type=GetImageArtifact(image,property);
4565 if (type != (
const char *) NULL)
4566 clone_info->gradient.type=(GradientType) ParseCommandOption(
4567 MagickGradientOptions,MagickFalse,type);
4568 (void) CloneString(&clone_info->primitive,path);
4569 status=RenderMVGContent(*pattern,clone_info,0);
4570 clone_info=DestroyDrawInfo(clone_info);
4571 if (draw_info->debug != MagickFalse)
4572 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4610 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4612 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4613 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4614 return(polygon_info);
4621 *magick_restrict path_info;
4629 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4630 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4631 sizeof(*polygon_info));
4634 (void) ThrowMagickException(exception,GetMagickModule(),
4635 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4638 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4639 path_info=ConvertPrimitiveToPath(draw_info,primitive_info,exception);
4640 if (path_info == (
PathInfo *) NULL)
4641 return(DestroyPolygonTLS(polygon_info));
4642 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4645 (void) ThrowMagickException(exception,GetMagickModule(),
4646 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4647 return(DestroyPolygonTLS(polygon_info));
4649 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4650 return(polygon_info);
4653static MagickBooleanType AcquirePolygonEdgesTLS(
PolygonInfo **polygon_info,
4659 for (i=1; i < (ssize_t) number_threads; i++)
4667 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4668 sizeof(*polygon_info[i]));
4671 (void) ThrowMagickException(exception,GetMagickModule(),
4672 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4673 return(MagickFalse);
4675 polygon_info[i]->number_edges=0;
4676 edge_info=polygon_info[0]->edges;
4677 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4678 polygon_info[0]->number_edges,
sizeof(*edge_info));
4679 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4681 (void) ThrowMagickException(exception,GetMagickModule(),
4682 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4683 return(MagickFalse);
4685 (void) memcpy(polygon_info[i]->edges,edge_info,
4686 polygon_info[0]->number_edges*
sizeof(*edge_info));
4687 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4688 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4689 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4690 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4692 edge_info=polygon_info[0]->edges+j;
4693 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4694 edge_info->number_points,
sizeof(*edge_info));
4695 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4697 (void) ThrowMagickException(exception,GetMagickModule(),
4698 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4699 return(MagickFalse);
4701 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4702 edge_info->number_points*
sizeof(*edge_info->points));
4708static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4710 assert(edge < (ssize_t) polygon_info->number_edges);
4711 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4712 polygon_info->edges[edge].points);
4713 polygon_info->number_edges--;
4714 if (edge < (ssize_t) polygon_info->number_edges)
4715 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4716 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4717 return(polygon_info->number_edges);
4720static double GetOpacityPixel(
PolygonInfo *polygon_info,
const double mid,
4721 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4722 const ssize_t y,
double *stroke_opacity)
4749 *stroke_opacity=0.0;
4750 subpath_opacity=0.0;
4751 p=polygon_info->edges;
4752 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4754 if ((
double) y <= (p->bounds.y1-mid-0.5))
4756 if ((
double) y > (p->bounds.y2+mid+0.5))
4759 (void) DestroyEdge(polygon_info,j--);
4762 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4763 ((double) x > (p->bounds.x2+mid+0.5)))
4765 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4766 for ( ; i < (ssize_t) p->number_points; i++)
4768 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4770 if ((
double) y > (p->points[i].y+mid+0.5))
4772 if (p->scanline != (
double) y)
4774 p->scanline=(double) y;
4775 p->highwater=(size_t) i;
4781 delta.x=(q+1)->x-q->x;
4782 delta.y=(q+1)->y-q->y;
4783 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4786 delta.x=(double) x-q->x;
4787 delta.y=(double) y-q->y;
4788 distance=delta.x*delta.x+delta.y*delta.y;
4792 alpha=delta.x*delta.x+delta.y*delta.y;
4795 delta.x=(double) x-(q+1)->x;
4796 delta.y=(double) y-(q+1)->y;
4797 distance=delta.x*delta.x+delta.y*delta.y;
4801 alpha=PerceptibleReciprocal(alpha);
4802 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4803 distance=alpha*beta*beta;
4810 if (p->ghostline == MagickFalse)
4813 if ((*stroke_opacity < 1.0) &&
4814 (distance <= ((alpha+0.25)*(alpha+0.25))))
4817 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4818 *stroke_opacity=1.0;
4822 if (fabs(distance-1.0) >= MagickEpsilon)
4823 beta=sqrt((
double) distance);
4825 if (*stroke_opacity < ((alpha-0.25)*(alpha-0.25)))
4826 *stroke_opacity=(alpha-0.25)*(alpha-0.25);
4830 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_opacity >= 1.0))
4832 if (distance <= 0.0)
4834 subpath_opacity=1.0;
4839 if (fabs(beta) < MagickEpsilon)
4842 if (fabs(distance-1.0) >= MagickEpsilon)
4843 beta=sqrt(distance);
4846 if (subpath_opacity < (alpha*alpha))
4847 subpath_opacity=alpha*alpha;
4853 if (fill == MagickFalse)
4855 if (subpath_opacity >= 1.0)
4861 p=polygon_info->edges;
4862 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4864 if ((
double) y <= p->bounds.y1)
4866 if (((
double) y > p->bounds.y2) || ((double) x <= p->bounds.x1))
4868 if ((
double) x > p->bounds.x2)
4870 winding_number+=p->direction != 0 ? 1 : -1;
4873 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4874 for ( ; i < (ssize_t) (p->number_points-1); i++)
4875 if ((
double) y <= p->points[i].y)
4878 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4879 winding_number+=p->direction != 0 ? 1 : -1;
4881 if (fill_rule != NonZeroRule)
4883 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4887 if (MagickAbsoluteValue(winding_number) != 0)
4889 return(subpath_opacity);
4892static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4895 typedef struct _ExtentInfo
4924 **magick_restrict polygon_info;
4939 assert(image != (
Image *) NULL);
4940 assert(image->signature == MagickCoreSignature);
4941 assert(draw_info != (
DrawInfo *) NULL);
4942 assert(draw_info->signature == MagickCoreSignature);
4944 if (IsEventLogging() != MagickFalse)
4945 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4946 if (primitive_info->coordinates <= 1)
4951 polygon_info=AcquirePolygonTLS(draw_info,primitive_info,&image->exception);
4953 return(MagickFalse);
4954 if (draw_info->debug != MagickFalse)
4955 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4956 fill=(primitive_info->method == FillToBorderMethod) ||
4957 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4958 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4959 bounds=polygon_info[0]->edges[0].bounds;
4960 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4961 if (IsStringTrue(artifact) != MagickFalse)
4962 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0]);
4963 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4965 p=polygon_info[0]->edges+i;
4966 if (p->bounds.x1 < bounds.x1)
4967 bounds.x1=p->bounds.x1;
4968 if (p->bounds.y1 < bounds.y1)
4969 bounds.y1=p->bounds.y1;
4970 if (p->bounds.x2 > bounds.x2)
4971 bounds.x2=p->bounds.x2;
4972 if (p->bounds.y2 > bounds.y2)
4973 bounds.y2=p->bounds.y2;
4975 bounds.x1-=(mid+1.0);
4976 bounds.y1-=(mid+1.0);
4977 bounds.x2+=(mid+1.0);
4978 bounds.y2+=(mid+1.0);
4979 if ((bounds.x1 >= (
double) image->columns) ||
4980 (bounds.y1 >= (
double) image->rows) ||
4981 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
4983 polygon_info=DestroyPolygonTLS(polygon_info);
4986 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
4987 (
double) image->columns-1.0 : bounds.x1;
4988 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
4989 (
double) image->rows-1.0 : bounds.y1;
4990 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
4991 (
double) image->columns-1.0 : bounds.x2;
4992 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
4993 (
double) image->rows-1.0 : bounds.y2;
4994 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
4995 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
4996 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
4997 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
4998 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
4999 poly_extent.y1+1,1);
5000 status=AcquirePolygonEdgesTLS(polygon_info,number_threads,&image->exception);
5001 if (status == MagickFalse)
5003 polygon_info=DestroyPolygonTLS(polygon_info);
5007 exception=(&image->exception);
5008 image_view=AcquireAuthenticCacheView(image,exception);
5009 if ((primitive_info->coordinates == 1) ||
5010 (polygon_info[0]->number_edges == 0))
5015#if defined(MAGICKCORE_OPENMP_SUPPORT)
5016 #pragma omp parallel for schedule(static) shared(status) \
5017 num_threads(number_threads)
5019 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5030 if (status == MagickFalse)
5033 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5040 for ( ; x <= poly_extent.x2; x++)
5042 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5043 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5044 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,q);
5047 sync=SyncCacheViewAuthenticPixels(image_view,exception);
5048 if (sync == MagickFalse)
5051 image_view=DestroyCacheView(image_view);
5052 polygon_info=DestroyPolygonTLS(polygon_info);
5053 if (draw_info->debug != MagickFalse)
5054 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5055 " end draw-polygon");
5061 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5062 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5063#if defined(MAGICKCORE_OPENMP_SUPPORT)
5064 #pragma omp parallel for schedule(static) shared(status) \
5065 num_threads(number_threads)
5067 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5070 id = GetOpenMPThreadId();
5082 if (status == MagickFalse)
5084 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5085 (poly_extent.x2-poly_extent.x1+1),1,exception);
5091 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5100 fill_opacity=GetOpacityPixel(polygon_info[
id],mid,fill,
5101 draw_info->fill_rule,x,y,&stroke_opacity);
5102 if (draw_info->stroke_antialias == MagickFalse)
5104 fill_opacity=fill_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5105 stroke_opacity=stroke_opacity >= AntialiasThreshold ? 1.0 : 0.0;
5107 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5109 fill_opacity=(double) ((MagickRealType) QuantumRange-fill_opacity*
5110 ((MagickRealType) QuantumRange-(MagickRealType) fill_color.opacity));
5111 MagickCompositeOver(&fill_color,(MagickRealType) fill_opacity,q,
5112 (MagickRealType) q->opacity,q);
5113 (void) GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5115 stroke_opacity=(double) ((MagickRealType) QuantumRange-stroke_opacity*
5116 ((MagickRealType) QuantumRange-(MagickRealType) stroke_color.opacity));
5117 MagickCompositeOver(&stroke_color,(MagickRealType) stroke_opacity,q,
5118 (MagickRealType) q->opacity,q);
5121 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5124 image_view=DestroyCacheView(image_view);
5125 polygon_info=DestroyPolygonTLS(polygon_info);
5126 if (draw_info->debug != MagickFalse)
5127 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5158static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5184 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5185 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5186 switch (primitive_info->primitive)
5188 case PointPrimitive:
5190 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5191 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5192 methods[primitive_info->method]);
5195 case ColorPrimitive:
5197 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5198 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5199 methods[primitive_info->method]);
5202 case MattePrimitive:
5204 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5205 "MattePrimitive %.20g,%.20g %s",(double) x,(
double) y,
5206 methods[primitive_info->method]);
5211 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5212 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5215 case ImagePrimitive:
5217 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5218 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5225 p=primitive_info[0].point;
5228 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5230 point=primitive_info[i].point;
5231 if (coordinates <= 0)
5233 coordinates=(ssize_t) primitive_info[i].coordinates;
5234 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5235 " begin open (%.20g)",(double) coordinates);
5238 point=primitive_info[i].point;
5239 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5240 (fabs(q.y-point.y) >= MagickEpsilon))
5241 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5242 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5244 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5245 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5248 if (coordinates > 0)
5250 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5251 (fabs(p.y-point.y) >= MagickEpsilon))
5252 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5253 (double) coordinates);
5255 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5256 (
double) coordinates);
5260MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5279 if (draw_info->debug != MagickFalse)
5281 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5282 " begin draw-primitive");
5283 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5284 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5285 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5286 draw_info->affine.tx,draw_info->affine.ty);
5288 exception=(&image->exception);
5290 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5291 ((IsPixelGray(&draw_info->fill) == MagickFalse) ||
5292 (IsPixelGray(&draw_info->stroke) == MagickFalse)))
5293 status=SetImageColorspace(image,sRGBColorspace);
5294 if (draw_info->compliance == SVGCompliance)
5296 status&=SetImageClipMask(image,draw_info->clipping_mask);
5297 status&=SetImageMask(image,draw_info->composite_mask);
5299 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5300 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5301 image_view=AcquireAuthenticCacheView(image,exception);
5302 switch (primitive_info->primitive)
5304 case ColorPrimitive:
5306 switch (primitive_info->method)
5314 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5317 (void) GetFillColor(draw_info,x,y,q);
5318 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5326 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5327 for (y=0; y < (ssize_t) image->rows; y++)
5332 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5336 for (x=0; x < (ssize_t) image->columns; x++)
5338 if (IsColorSimilar(image,q,&target) == MagickFalse)
5343 (void) GetFillColor(draw_info,x,y,q);
5346 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5347 if (status == MagickFalse)
5352 case FloodfillMethod:
5353 case FillToBorderMethod:
5358 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5359 if (primitive_info->method == FillToBorderMethod)
5361 target.red=(MagickRealType) draw_info->border_color.red;
5362 target.green=(MagickRealType) draw_info->border_color.green;
5363 target.blue=(MagickRealType) draw_info->border_color.blue;
5365 status&=FloodfillPaintImage(image,DefaultChannels,draw_info,&target,x,
5366 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5372 for (y=0; y < (ssize_t) image->rows; y++)
5380 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5384 for (x=0; x < (ssize_t) image->columns; x++)
5386 (void) GetFillColor(draw_info,x,y,q);
5389 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5390 if (status == MagickFalse)
5398 case MattePrimitive:
5400 if (image->matte == MagickFalse)
5401 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel);
5402 switch (primitive_info->method)
5413 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5416 (void) GetFillColor(draw_info,x,y,&pixel);
5417 SetPixelOpacity(q,pixel.opacity);
5418 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5427 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5428 for (y=0; y < (ssize_t) image->rows; y++)
5436 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5440 for (x=0; x < (ssize_t) image->columns; x++)
5442 if (IsColorSimilar(image,q,&target) == MagickFalse)
5447 (void) GetFillColor(draw_info,x,y,&pixel);
5448 SetPixelOpacity(q,pixel.opacity);
5451 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5452 if (status == MagickFalse)
5457 case FloodfillMethod:
5458 case FillToBorderMethod:
5463 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5464 if (primitive_info->method == FillToBorderMethod)
5466 target.red=(MagickRealType) draw_info->border_color.red;
5467 target.green=(MagickRealType) draw_info->border_color.green;
5468 target.blue=(MagickRealType) draw_info->border_color.blue;
5470 status&=FloodfillPaintImage(image,OpacityChannel,draw_info,&target,x,
5471 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5480 for (y=0; y < (ssize_t) image->rows; y++)
5488 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5492 for (x=0; x < (ssize_t) image->columns; x++)
5494 (void) GetFillColor(draw_info,x,y,&pixel);
5495 SetPixelOpacity(q,pixel.opacity);
5498 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5499 if (status == MagickFalse)
5507 case ImagePrimitive:
5513 composite_geometry[MaxTextExtent];
5529 if (primitive_info->text == (
char *) NULL)
5531 clone_info=AcquireImageInfo();
5532 composite_images=(
Image *) NULL;
5533 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5534 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5537 if (*primitive_info->text !=
'\0')
5551 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5553 (void) SetImageInfo(clone_info,1,exception);
5554 magick_info=GetMagickInfo(clone_info->magick,exception);
5555 if ((magick_info != (
const MagickInfo*) NULL) &&
5556 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5558 (void) ThrowMagickException(exception,GetMagickModule(),
5559 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5560 clone_info->filename);
5561 clone_info=DestroyImageInfo(clone_info);
5564 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5566 if (clone_info->size != (
char *) NULL)
5567 clone_info->size=DestroyString(clone_info->size);
5568 if (clone_info->extract != (
char *) NULL)
5569 clone_info->extract=DestroyString(clone_info->extract);
5570 path_status=GetPathAttributes(clone_info->filename,&attributes);
5571 if (path_status != MagickFalse)
5573 if (S_ISCHR(attributes.st_mode) == 0)
5574 composite_images=ReadImage(clone_info,exception);
5576 (
void) ThrowMagickException(exception,GetMagickModule(),
5577 FileOpenError,
"UnableToOpenFile",
"`%s'",
5578 clone_info->filename);
5581 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5582 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5583 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5584 (LocaleCompare(clone_info->magick,
"vid") != 0))
5585 composite_images=ReadImage(clone_info,exception);
5587 (
void) ThrowMagickException(exception,GetMagickModule(),
5588 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5590 clone_info=DestroyImageInfo(clone_info);
5591 if (composite_images == (
Image *) NULL)
5596 composite_image=RemoveFirstImageFromList(&composite_images);
5597 composite_images=DestroyImageList(composite_images);
5598 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5599 NULL,(
void *) NULL);
5600 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5601 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5602 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5603 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5606 geometry[MaxTextExtent];
5611 (void) FormatLocaleString(geometry,MaxTextExtent,
"%gx%g!",
5612 primitive_info[1].point.x,primitive_info[1].point.y);
5613 composite_image->filter=image->filter;
5614 status&=TransformImage(&composite_image,(
char *) NULL,geometry);
5616 if (composite_image->matte == MagickFalse)
5617 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel);
5618 if (draw_info->opacity != OpaqueOpacity)
5619 status&=SetImageOpacity(composite_image,draw_info->opacity);
5620 SetGeometry(image,&geometry);
5621 image->gravity=draw_info->gravity;
5624 (void) FormatLocaleString(composite_geometry,MaxTextExtent,
5625 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5626 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5627 (void) ParseGravityGeometry(image,composite_geometry,&geometry,
5629 affine=draw_info->affine;
5630 affine.tx=(double) geometry.x;
5631 affine.ty=(double) geometry.y;
5632 composite_image->interpolate=image->interpolate;
5633 if ((draw_info->compose == OverCompositeOp) ||
5634 (draw_info->compose == SrcOverCompositeOp))
5635 status&=DrawAffineImage(image,composite_image,&affine);
5637 status&=CompositeImage(image,draw_info->compose,composite_image,
5638 geometry.x,geometry.y);
5639 composite_image=DestroyImage(composite_image);
5642 case PointPrimitive:
5650 if ((y < 0) || (y >= (ssize_t) image->rows))
5652 if ((x < 0) || (x >= (ssize_t) image->columns))
5654 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5657 (void) GetFillColor(draw_info,x,y,&fill_color);
5658 MagickCompositeOver(&fill_color,(MagickRealType) fill_color.opacity,q,
5659 (MagickRealType) q->opacity,q);
5660 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5666 geometry[MaxTextExtent];
5671 if (primitive_info->text == (
char *) NULL)
5673 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5674 (void) CloneString(&clone_info->text,primitive_info->text);
5675 (void) FormatLocaleString(geometry,MaxTextExtent,
"%+f%+f",
5676 primitive_info->point.x,primitive_info->point.y);
5677 (void) CloneString(&clone_info->geometry,geometry);
5678 status&=AnnotateImage(image,clone_info);
5679 clone_info=DestroyDrawInfo(clone_info);
5691 if (IsEventLogging() != MagickFalse)
5692 LogPrimitiveInfo(primitive_info);
5693 scale=ExpandAffine(&draw_info->affine);
5694 if ((draw_info->dash_pattern != (
double *) NULL) &&
5695 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5696 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5697 (draw_info->stroke.opacity != (Quantum) TransparentOpacity))
5702 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5703 clone_info->stroke_width=0.0;
5704 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5705 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5706 clone_info=DestroyDrawInfo(clone_info);
5707 if (status != MagickFalse)
5708 status&=DrawDashPolygon(draw_info,primitive_info,image);
5711 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5713 ((draw_info->stroke.opacity != (Quantum) TransparentOpacity) ||
5714 (draw_info->stroke_pattern != (
Image *) NULL)))
5726 closed_path=primitive_info[0].closed_subpath;
5727 i=(ssize_t) primitive_info[0].coordinates;
5728 x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5729 y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5730 if ((x < MagickEpsilon) && (y < MagickEpsilon))
5731 closed_path=MagickTrue;
5732 if ((((draw_info->linecap == RoundCap) ||
5733 (closed_path != MagickFalse)) &&
5734 (draw_info->linejoin == RoundJoin)) ||
5735 (primitive_info[i].primitive != UndefinedPrimitive))
5737 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5740 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5741 clone_info->stroke_width=0.0;
5742 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5743 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5744 clone_info=DestroyDrawInfo(clone_info);
5745 if (status != MagickFalse)
5746 status&=DrawStrokePolygon(image,draw_info,primitive_info);
5749 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5753 image_view=DestroyCacheView(image_view);
5754 if (draw_info->compliance == SVGCompliance)
5756 status&=SetImageClipMask(image,(
Image *) NULL);
5757 status&=SetImageMask(image,(
Image *) NULL);
5759 if (draw_info->debug != MagickFalse)
5760 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5761 return(status != 0 ? MagickTrue : MagickFalse);
5794static MagickBooleanType DrawRoundLinecap(
Image *image,
5803 for (i=0; i < 4; i++)
5804 linecap[i]=(*primitive_info);
5805 linecap[0].coordinates=4;
5806 linecap[1].point.x+=2.0*MagickEpsilon;
5807 linecap[2].point.x+=2.0*MagickEpsilon;
5808 linecap[2].point.y+=2.0*MagickEpsilon;
5809 linecap[3].point.y+=2.0*MagickEpsilon;
5810 linecap[4].primitive=UndefinedPrimitive;
5811 return(DrawPolygonPrimitive(image,draw_info,linecap));
5814static MagickBooleanType DrawStrokePolygon(
Image *image,
5836 if (draw_info->debug != MagickFalse)
5837 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5838 " begin draw-stroke-polygon");
5839 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5840 clone_info->fill=draw_info->stroke;
5841 if (clone_info->fill_pattern != (
Image *) NULL)
5842 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5843 if (clone_info->stroke_pattern != (
Image *) NULL)
5844 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5845 MagickTrue,&clone_info->stroke_pattern->exception);
5846 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5847 clone_info->stroke_width=0.0;
5848 clone_info->fill_rule=NonZeroRule;
5850 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=p->coordinates)
5852 if (p->coordinates == 1)
5854 stroke_polygon=TraceStrokePolygon(draw_info,p,&image->exception);
5860 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon);
5861 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5864 q=p+p->coordinates-1;
5865 closed_path=p->closed_subpath;
5866 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5868 status&=DrawRoundLinecap(image,draw_info,p);
5869 status&=DrawRoundLinecap(image,draw_info,q);
5872 clone_info=DestroyDrawInfo(clone_info);
5873 if (draw_info->debug != MagickFalse)
5874 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5875 " end draw-stroke-polygon");
5876 return(status != 0 ? MagickTrue : MagickFalse);
5902MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5905 if (IsEventLogging() != MagickFalse)
5906 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5907 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5908 affine_matrix->sx=1.0;
5909 affine_matrix->sy=1.0;
5950 assert(draw_info != (
DrawInfo *) NULL);
5951 if (IsEventLogging() != MagickFalse)
5952 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5953 (void) memset(draw_info,0,
sizeof(*draw_info));
5954 draw_info->image_info=CloneImageInfo(image_info);
5955 GetAffineMatrix(&draw_info->affine);
5956 exception=AcquireExceptionInfo();
5957 (void) QueryColorDatabase(
"#000F",&draw_info->fill,exception);
5958 (void) QueryColorDatabase(
"#FFF0",&draw_info->stroke,exception);
5959 draw_info->stroke_antialias=draw_info->image_info->antialias;
5960 draw_info->stroke_width=1.0;
5961 draw_info->fill_rule=EvenOddRule;
5962 draw_info->opacity=OpaqueOpacity;
5963 draw_info->fill_opacity=OpaqueOpacity;
5964 draw_info->stroke_opacity=OpaqueOpacity;
5965 draw_info->linecap=ButtCap;
5966 draw_info->linejoin=MiterJoin;
5967 draw_info->miterlimit=10;
5968 draw_info->decorate=NoDecoration;
5969 if (draw_info->image_info->font != (
char *) NULL)
5970 draw_info->font=AcquireString(draw_info->image_info->font);
5971 if (draw_info->image_info->density != (
char *) NULL)
5972 draw_info->density=AcquireString(draw_info->image_info->density);
5973 draw_info->text_antialias=draw_info->image_info->antialias;
5974 draw_info->pointsize=12.0;
5975 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
5976 draw_info->pointsize=draw_info->image_info->pointsize;
5977 draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
5978 draw_info->border_color=draw_info->image_info->border_color;
5979 draw_info->compose=OverCompositeOp;
5980 if (draw_info->image_info->server_name != (
char *) NULL)
5981 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
5982 draw_info->render=MagickTrue;
5983 draw_info->clip_path=MagickFalse;
5984 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
5985 MagickTrue : MagickFalse;
5986 option=GetImageOption(draw_info->image_info,
"direction");
5987 if (option != (
const char *) NULL)
5988 draw_info->direction=(DirectionType) ParseCommandOption(
5989 MagickDirectionOptions,MagickFalse,option);
5991 draw_info->direction=UndefinedDirection;
5992 option=GetImageOption(draw_info->image_info,
"encoding");
5993 if (option != (
const char *) NULL)
5994 (void) CloneString(&draw_info->encoding,option);
5995 option=GetImageOption(draw_info->image_info,
"family");
5996 if (option != (
const char *) NULL)
5997 (void) CloneString(&draw_info->family,option);
5998 option=GetImageOption(draw_info->image_info,
"fill");
5999 if (option != (
const char *) NULL)
6000 (void) QueryColorDatabase(option,&draw_info->fill,exception);
6001 option=GetImageOption(draw_info->image_info,
"gravity");
6002 if (option != (
const char *) NULL)
6003 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
6004 MagickFalse,option);
6005 option=GetImageOption(draw_info->image_info,
"interline-spacing");
6006 if (option != (
const char *) NULL)
6007 draw_info->interline_spacing=GetDrawValue(option,&next_token);
6008 option=GetImageOption(draw_info->image_info,
"interword-spacing");
6009 if (option != (
const char *) NULL)
6010 draw_info->interword_spacing=GetDrawValue(option,&next_token);
6011 option=GetImageOption(draw_info->image_info,
"kerning");
6012 if (option != (
const char *) NULL)
6013 draw_info->kerning=GetDrawValue(option,&next_token);
6014 option=GetImageOption(draw_info->image_info,
"stroke");
6015 if (option != (
const char *) NULL)
6016 (void) QueryColorDatabase(option,&draw_info->stroke,exception);
6017 option=GetImageOption(draw_info->image_info,
"strokewidth");
6018 if (option != (
const char *) NULL)
6019 draw_info->stroke_width=GetDrawValue(option,&next_token);
6020 option=GetImageOption(draw_info->image_info,
"style");
6021 if (option != (
const char *) NULL)
6022 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6023 MagickFalse,option);
6024 option=GetImageOption(draw_info->image_info,
"undercolor");
6025 if (option != (
const char *) NULL)
6026 (void) QueryColorDatabase(option,&draw_info->undercolor,exception);
6027 option=GetImageOption(draw_info->image_info,
"weight");
6028 if (option != (
const char *) NULL)
6033 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6035 weight=(ssize_t) StringToUnsignedLong(option);
6036 draw_info->weight=(size_t) weight;
6038 exception=DestroyExceptionInfo(exception);
6039 draw_info->signature=MagickCoreSignature;
6067static inline double Permutate(
const ssize_t n,
const ssize_t k)
6076 for (i=k+1; i <= n; i++)
6078 for (i=1; i <= (n-k); i++)
6106 center.x=0.5*(end.x+start.x);
6107 center.y=0.5*(end.y+start.y);
6108 radius.x=fabs(center.x-start.x);
6109 radius.y=fabs(center.y-start.y);
6110 return(TraceEllipse(mvg_info,center,radius,degrees));
6113static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6115 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6152 offset=mvg_info->offset;
6153 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6154 primitive_info->coordinates=0;
6155 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6156 (fabs(start.y-end.y) < MagickEpsilon))
6157 return(TracePoint(primitive_info,end));
6158 radii.x=fabs(arc.x);
6159 radii.y=fabs(arc.y);
6160 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6161 return(TraceLine(primitive_info,start,end));
6162 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6163 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6164 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6165 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6166 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6168 if (delta < MagickEpsilon)
6169 return(TraceLine(primitive_info,start,end));
6172 radii.x*=sqrt((
double) delta);
6173 radii.y*=sqrt((
double) delta);
6175 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6176 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6177 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6178 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6179 alpha=points[1].x-points[0].x;
6180 beta=points[1].y-points[0].y;
6181 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6182 return(TraceLine(primitive_info,start,end));
6183 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6188 factor=sqrt((
double) factor);
6189 if (sweep == large_arc)
6192 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6193 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6194 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6195 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6196 if ((theta < 0.0) && (sweep != MagickFalse))
6197 theta+=2.0*MagickPI;
6199 if ((theta > 0.0) && (sweep == MagickFalse))
6200 theta-=2.0*MagickPI;
6201 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6202 MagickPI+MagickEpsilon)))));
6205 for (i=0; i < (ssize_t) arc_segments; i++)
6207 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6208 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6209 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6210 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6211 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6212 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6213 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6214 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6215 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6216 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6217 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6218 theta/arc_segments),DegreesToRadians(360.0))));
6219 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6220 theta/arc_segments),DegreesToRadians(360.0))));
6221 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6222 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6223 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6224 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6225 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6226 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6227 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6229 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6231 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6233 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6235 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6237 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6239 if (i == (ssize_t) (arc_segments-1))
6241 status&=TraceBezier(mvg_info,4);
6244 p=(*mvg_info->primitive_info)+mvg_info->offset;
6245 mvg_info->offset+=p->coordinates;
6249 return(MagickFalse);
6250 mvg_info->offset=offset;
6251 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6252 primitive_info->coordinates=(size_t) (p-primitive_info);
6253 primitive_info->closed_subpath=MagickFalse;
6254 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6256 p->primitive=primitive_info->primitive;
6262static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6263 const size_t number_coordinates)
6292 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6293 quantum=number_coordinates;
6294 for (i=0; i < (ssize_t) number_coordinates; i++)
6296 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6298 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6299 if (alpha > (
double) MAGICK_SSIZE_MAX)
6301 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6302 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6303 return(MagickFalse);
6305 if (alpha > (
double) quantum)
6306 quantum=(
size_t) alpha;
6307 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6308 if (alpha > (
double) MAGICK_SSIZE_MAX)
6310 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6311 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6312 return(MagickFalse);
6314 if (alpha > (
double) quantum)
6315 quantum=(
size_t) alpha;
6318 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6319 sizeof(*coefficients));
6320 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6321 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6323 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6326 points=(
PointInfo *) RelinquishMagickMemory(points);
6327 if (coefficients != (
double *) NULL)
6328 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6329 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6330 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6331 return(MagickFalse);
6333 control_points=quantum*number_coordinates;
6334 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6336 points=(
PointInfo *) RelinquishMagickMemory(points);
6337 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6338 return(MagickFalse);
6340 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6344 end=primitive_info[number_coordinates-1].point;
6345 for (i=0; i < (ssize_t) number_coordinates; i++)
6346 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6348 for (i=0; i < (ssize_t) control_points; i++)
6353 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6354 for (j=0; j < (ssize_t) number_coordinates; j++)
6356 point.x+=alpha*coefficients[j]*p->point.x;
6357 point.y+=alpha*coefficients[j]*p->point.y;
6358 alpha*=weight/(1.0-weight);
6362 weight+=1.0/control_points;
6368 for (i=0; i < (ssize_t) control_points; i++)
6370 if (TracePoint(p,points[i]) == MagickFalse)
6372 points=(
PointInfo *) RelinquishMagickMemory(points);
6373 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6374 return(MagickFalse);
6378 if (TracePoint(p,end) == MagickFalse)
6380 points=(
PointInfo *) RelinquishMagickMemory(points);
6381 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6382 return(MagickFalse);
6385 primitive_info->coordinates=(size_t) (p-primitive_info);
6386 primitive_info->closed_subpath=MagickFalse;
6387 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6389 p->primitive=primitive_info->primitive;
6392 points=(
PointInfo *) RelinquishMagickMemory(points);
6393 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6397static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6409 alpha=end.x-start.x;
6411 radius=hypot((
double) alpha,(
double) beta);
6412 offset.x=(double) radius;
6413 offset.y=(double) radius;
6416 return(TraceEllipse(mvg_info,start,offset,degrees));
6419static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6445 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6446 primitive_info->coordinates=0;
6447 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6449 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6451 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6452 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6453 angle.x=DegreesToRadians(arc.x);
6457 angle.y=DegreesToRadians(y);
6458 coordinates=ceil((angle.y-angle.x)/step+1.0);
6459 if (CheckPrimitiveExtent(mvg_info,coordinates+1) == MagickFalse)
6460 return(MagickFalse);
6462 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6463 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6465 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6466 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6467 if (i++ >= (ssize_t) coordinates)
6469 if (TracePoint(p,point) == MagickFalse)
6470 return(MagickFalse);
6473 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6474 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6475 if (TracePoint(p,point) == MagickFalse)
6476 return(MagickFalse);
6478 primitive_info->coordinates=(size_t) (p-primitive_info);
6479 primitive_info->closed_subpath=MagickFalse;
6480 x=fabs(primitive_info[0].point.x-
6481 primitive_info[primitive_info->coordinates-1].point.x);
6482 y=fabs(primitive_info[0].point.y-
6483 primitive_info[primitive_info->coordinates-1].point.y);
6484 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6485 primitive_info->closed_subpath=MagickTrue;
6486 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6488 p->primitive=primitive_info->primitive;
6494static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6497 if (TracePoint(primitive_info,start) == MagickFalse)
6498 return(MagickFalse);
6499 if (TracePoint(primitive_info+1,end) == MagickFalse)
6500 return(MagickFalse);
6501 (primitive_info+1)->primitive=primitive_info->primitive;
6502 primitive_info->coordinates=2;
6503 primitive_info->closed_subpath=MagickFalse;
6507static ssize_t TracePath(
Image *image,
MVGInfo *mvg_info,
const char *path)
6511 token[MaxTextExtent] =
"";
6529 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6552 subpath_offset=mvg_info->offset;
6553 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6556 number_coordinates=0;
6559 primitive_type=primitive_info->primitive;
6561 for (p=path; *p !=
'\0'; )
6563 if (status == MagickFalse)
6565 while (isspace((
int) ((
unsigned char) *p)) != 0)
6569 last_attribute=attribute;
6570 attribute=(int) (*p++);
6580 large_arc = MagickFalse,
6581 sweep = MagickFalse;
6591 (void) GetNextToken(p,&p,MaxTextExtent,token);
6593 (void) GetNextToken(p,&p,MaxTextExtent,token);
6594 arc.x=GetDrawValue(token,&next_token);
6595 if (token == next_token)
6596 ThrowPointExpectedException(image,token);
6597 (void) GetNextToken(p,&p,MaxTextExtent,token);
6599 (void) GetNextToken(p,&p,MaxTextExtent,token);
6600 arc.y=GetDrawValue(token,&next_token);
6601 if (token == next_token)
6602 ThrowPointExpectedException(image,token);
6603 (void) GetNextToken(p,&p,MaxTextExtent,token);
6605 (void) GetNextToken(p,&p,MaxTextExtent,token);
6606 angle=GetDrawValue(token,&next_token);
6607 if (token == next_token)
6608 ThrowPointExpectedException(image,token);
6609 (void) GetNextToken(p,&p,MaxTextExtent,token);
6611 (void) GetNextToken(p,&p,MaxTextExtent,token);
6612 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6613 (void) GetNextToken(p,&p,MaxTextExtent,token);
6615 (void) GetNextToken(p,&p,MaxTextExtent,token);
6616 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6618 (void) GetNextToken(p,&p,MaxTextExtent,token);
6619 (void) GetNextToken(p,&p,MaxTextExtent,token);
6621 (void) GetNextToken(p,&p,MaxTextExtent,token);
6622 x=GetDrawValue(token,&next_token);
6623 if (token == next_token)
6624 ThrowPointExpectedException(image,token);
6625 (void) GetNextToken(p,&p,MaxTextExtent,token);
6627 (void) GetNextToken(p,&p,MaxTextExtent,token);
6628 y=GetDrawValue(token,&next_token);
6629 if (token == next_token)
6630 ThrowPointExpectedException(image,token);
6631 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6632 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6633 status&=TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep);
6634 q=(*mvg_info->primitive_info)+mvg_info->offset;
6635 mvg_info->offset+=q->coordinates;
6638 while (isspace((
int) ((
unsigned char) *p)) != 0)
6642 }
while (IsPoint(p) != MagickFalse);
6654 for (i=1; i < 4; i++)
6656 (void) GetNextToken(p,&p,MaxTextExtent,token);
6658 (void) GetNextToken(p,&p,MaxTextExtent,token);
6659 x=GetDrawValue(token,&next_token);
6660 if (token == next_token)
6661 ThrowPointExpectedException(image,token);
6662 (void) GetNextToken(p,&p,MaxTextExtent,token);
6664 (void) GetNextToken(p,&p,MaxTextExtent,token);
6665 y=GetDrawValue(token,&next_token);
6666 if (token == next_token)
6667 ThrowPointExpectedException(image,token);
6668 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6669 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6672 for (i=0; i < 4; i++)
6673 (q+i)->point=points[i];
6674 if (TraceBezier(mvg_info,4) == MagickFalse)
6676 q=(*mvg_info->primitive_info)+mvg_info->offset;
6677 mvg_info->offset+=q->coordinates;
6680 while (isspace((
int) ((
unsigned char) *p)) != 0)
6684 }
while (IsPoint(p) != MagickFalse);
6692 (void) GetNextToken(p,&p,MaxTextExtent,token);
6694 (void) GetNextToken(p,&p,MaxTextExtent,token);
6695 x=GetDrawValue(token,&next_token);
6696 if (token == next_token)
6697 ThrowPointExpectedException(image,token);
6698 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6699 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6701 q=(*mvg_info->primitive_info)+mvg_info->offset;
6702 if (TracePoint(q,point) == MagickFalse)
6704 mvg_info->offset+=q->coordinates;
6706 while (isspace((
int) ((
unsigned char) *p)) != 0)
6710 }
while (IsPoint(p) != MagickFalse);
6721 (void) GetNextToken(p,&p,MaxTextExtent,token);
6723 (void) GetNextToken(p,&p,MaxTextExtent,token);
6724 x=GetDrawValue(token,&next_token);
6725 if (token == next_token)
6726 ThrowPointExpectedException(image,token);
6727 (void) GetNextToken(p,&p,MaxTextExtent,token);
6729 (void) GetNextToken(p,&p,MaxTextExtent,token);
6730 y=GetDrawValue(token,&next_token);
6731 if (token == next_token)
6732 ThrowPointExpectedException(image,token);
6733 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6734 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6735 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6737 q=(*mvg_info->primitive_info)+mvg_info->offset;
6738 if (TracePoint(q,point) == MagickFalse)
6740 mvg_info->offset+=q->coordinates;
6742 while (isspace((
int) ((
unsigned char) *p)) != 0)
6746 }
while (IsPoint(p) != MagickFalse);
6755 if (mvg_info->offset != subpath_offset)
6757 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6758 primitive_info->coordinates=(size_t) (q-primitive_info);
6759 number_coordinates+=primitive_info->coordinates;
6761 subpath_offset=mvg_info->offset;
6766 (void) GetNextToken(p,&p,MaxTextExtent,token);
6768 (void) GetNextToken(p,&p,MaxTextExtent,token);
6769 x=GetDrawValue(token,&next_token);
6770 if (token == next_token)
6771 ThrowPointExpectedException(image,token);
6772 (void) GetNextToken(p,&p,MaxTextExtent,token);
6774 (void) GetNextToken(p,&p,MaxTextExtent,token);
6775 y=GetDrawValue(token,&next_token);
6776 if (token == next_token)
6777 ThrowPointExpectedException(image,token);
6778 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6779 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6783 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6785 q=(*mvg_info->primitive_info)+mvg_info->offset;
6786 if (TracePoint(q,point) == MagickFalse)
6788 mvg_info->offset+=q->coordinates;
6790 while (isspace((
int) ((
unsigned char) *p)) != 0)
6794 }
while (IsPoint(p) != MagickFalse);
6806 for (i=1; i < 3; i++)
6808 (void) GetNextToken(p,&p,MaxTextExtent,token);
6810 (void) GetNextToken(p,&p,MaxTextExtent,token);
6811 x=GetDrawValue(token,&next_token);
6812 if (token == next_token)
6813 ThrowPointExpectedException(image,token);
6814 (void) GetNextToken(p,&p,MaxTextExtent,token);
6816 (void) GetNextToken(p,&p,MaxTextExtent,token);
6817 y=GetDrawValue(token,&next_token);
6818 if (token == next_token)
6819 ThrowPointExpectedException(image,token);
6822 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6823 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6826 for (i=0; i < 3; i++)
6827 (q+i)->point=points[i];
6828 if (TraceBezier(mvg_info,3) == MagickFalse)
6830 q=(*mvg_info->primitive_info)+mvg_info->offset;
6831 mvg_info->offset+=q->coordinates;
6834 while (isspace((
int) ((
unsigned char) *p)) != 0)
6838 }
while (IsPoint(p) != MagickFalse);
6849 points[0]=points[3];
6850 points[1].x=2.0*points[3].x-points[2].x;
6851 points[1].y=2.0*points[3].y-points[2].y;
6852 for (i=2; i < 4; i++)
6854 (void) GetNextToken(p,&p,MaxTextExtent,token);
6856 (void) GetNextToken(p,&p,MaxTextExtent,token);
6857 x=GetDrawValue(token,&next_token);
6858 if (token == next_token)
6859 ThrowPointExpectedException(image,token);
6860 (void) GetNextToken(p,&p,MaxTextExtent,token);
6862 (void) GetNextToken(p,&p,MaxTextExtent,token);
6863 y=GetDrawValue(token,&next_token);
6864 if (token == next_token)
6865 ThrowPointExpectedException(image,token);
6868 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6869 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6872 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6877 for (i=0; i < 4; i++)
6878 (q+i)->point=points[i];
6879 if (TraceBezier(mvg_info,4) == MagickFalse)
6881 q=(*mvg_info->primitive_info)+mvg_info->offset;
6882 mvg_info->offset+=q->coordinates;
6885 last_attribute=attribute;
6886 while (isspace((
int) ((
unsigned char) *p)) != 0)
6890 }
while (IsPoint(p) != MagickFalse);
6901 points[0]=points[2];
6902 points[1].x=2.0*points[2].x-points[1].x;
6903 points[1].y=2.0*points[2].y-points[1].y;
6904 for (i=2; i < 3; i++)
6906 (void) GetNextToken(p,&p,MaxTextExtent,token);
6908 (void) GetNextToken(p,&p,MaxTextExtent,token);
6909 x=GetDrawValue(token,&next_token);
6910 if (token == next_token)
6911 ThrowPointExpectedException(image,token);
6912 (void) GetNextToken(p,&p,MaxTextExtent,token);
6914 (void) GetNextToken(p,&p,MaxTextExtent,token);
6915 y=GetDrawValue(token,&next_token);
6916 if (token == next_token)
6917 ThrowPointExpectedException(image,token);
6918 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6919 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6922 if (status == MagickFalse)
6924 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6929 for (i=0; i < 3; i++)
6930 (q+i)->point=points[i];
6931 if (TraceBezier(mvg_info,3) == MagickFalse)
6933 q=(*mvg_info->primitive_info)+mvg_info->offset;
6934 mvg_info->offset+=q->coordinates;
6937 last_attribute=attribute;
6938 while (isspace((
int) ((
unsigned char) *p)) != 0)
6942 }
while (IsPoint(p) != MagickFalse);
6953 (void) GetNextToken(p,&p,MaxTextExtent,token);
6955 (void) GetNextToken(p,&p,MaxTextExtent,token);
6956 y=GetDrawValue(token,&next_token);
6957 if (token == next_token)
6958 ThrowPointExpectedException(image,token);
6959 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
6960 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6962 q=(*mvg_info->primitive_info)+mvg_info->offset;
6963 if (TracePoint(q,point) == MagickFalse)
6965 mvg_info->offset+=q->coordinates;
6967 while (isspace((
int) ((
unsigned char) *p)) != 0)
6971 }
while (IsPoint(p) != MagickFalse);
6981 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6983 q=(*mvg_info->primitive_info)+mvg_info->offset;
6984 if (TracePoint(q,point) == MagickFalse)
6986 mvg_info->offset+=q->coordinates;
6988 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6989 primitive_info->coordinates=(size_t) (q-primitive_info);
6990 primitive_info->closed_subpath=MagickTrue;
6991 number_coordinates+=primitive_info->coordinates;
6993 subpath_offset=mvg_info->offset;
6999 ThrowPointExpectedException(image,token);
7004 if (status == MagickFalse)
7006 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7007 primitive_info->coordinates=(size_t) (q-primitive_info);
7008 number_coordinates+=primitive_info->coordinates;
7009 for (i=0; i < (ssize_t) number_coordinates; i++)
7012 q->primitive=primitive_type;
7014 q->method=FillToBorderMethod;
7017 return((ssize_t) number_coordinates);
7020static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7033 if (TracePoint(p,start) == MagickFalse)
7034 return(MagickFalse);
7038 if (TracePoint(p,point) == MagickFalse)
7039 return(MagickFalse);
7041 if (TracePoint(p,end) == MagickFalse)
7042 return(MagickFalse);
7046 if (TracePoint(p,point) == MagickFalse)
7047 return(MagickFalse);
7049 if (TracePoint(p,start) == MagickFalse)
7050 return(MagickFalse);
7052 primitive_info->coordinates=(size_t) (p-primitive_info);
7053 primitive_info->closed_subpath=MagickTrue;
7054 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7056 p->primitive=primitive_info->primitive;
7062static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7082 offset=mvg_info->offset;
7083 segment.x=fabs(end.x-start.x);
7084 segment.y=fabs(end.y-start.y);
7085 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7087 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7090 if (arc.x > (0.5*segment.x))
7091 arc.x=0.5*segment.x;
7092 if (arc.y > (0.5*segment.y))
7093 arc.y=0.5*segment.y;
7094 point.x=start.x+segment.x-arc.x;
7095 point.y=start.y+arc.y;
7098 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7099 return(MagickFalse);
7100 p=(*mvg_info->primitive_info)+mvg_info->offset;
7101 mvg_info->offset+=p->coordinates;
7102 point.x=start.x+segment.x-arc.x;
7103 point.y=start.y+segment.y-arc.y;
7106 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7107 return(MagickFalse);
7108 p=(*mvg_info->primitive_info)+mvg_info->offset;
7109 mvg_info->offset+=p->coordinates;
7110 point.x=start.x+arc.x;
7111 point.y=start.y+segment.y-arc.y;
7114 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7115 return(MagickFalse);
7116 p=(*mvg_info->primitive_info)+mvg_info->offset;
7117 mvg_info->offset+=p->coordinates;
7118 point.x=start.x+arc.x;
7119 point.y=start.y+arc.y;
7122 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7123 return(MagickFalse);
7124 p=(*mvg_info->primitive_info)+mvg_info->offset;
7125 mvg_info->offset+=p->coordinates;
7126 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7127 return(MagickFalse);
7128 p=(*mvg_info->primitive_info)+mvg_info->offset;
7129 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7130 return(MagickFalse);
7132 mvg_info->offset=offset;
7133 primitive_info=(*mvg_info->primitive_info)+offset;
7134 primitive_info->coordinates=(size_t) (p-primitive_info);
7135 primitive_info->closed_subpath=MagickTrue;
7136 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7138 p->primitive=primitive_info->primitive;
7144static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7145 const size_t number_vertices,
const double offset)
7162 for (i=1; i < (ssize_t) number_vertices; i++)
7164 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7165 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7166 if ((fabs((
double) dx) >= MagickEpsilon) ||
7167 (fabs((
double) dy) >= MagickEpsilon))
7170 if (i == (ssize_t) number_vertices)
7171 i=(ssize_t) number_vertices-1L;
7172 distance=hypot((
double) dx,(
double) dy);
7173 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7174 dx*(distance+offset)/distance);
7175 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7176 dy*(distance+offset)/distance);
7177 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7179 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7180 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7181 if ((fabs((
double) dx) >= MagickEpsilon) ||
7182 (fabs((
double) dy) >= MagickEpsilon))
7185 distance=hypot((
double) dx,(
double) dy);
7186 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7187 dx*(distance+offset)/distance);
7188 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7189 dy*(distance+offset)/distance);
7196#define MaxStrokePad (6*BezierQuantum+360)
7197#define CheckPathExtent(pad_p,pad_q) \
7199 if ((pad_p) > MaxBezierCoordinates) \
7200 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7202 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \
7204 if (~extent_p < (pad_p)) \
7205 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7208 extent_p+=(pad_p); \
7209 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7210 MaxStrokePad,sizeof(*stroke_p)); \
7213 if ((pad_q) > MaxBezierCoordinates) \
7214 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7216 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \
7218 if (~extent_q < (pad_q)) \
7219 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7222 extent_q+=(pad_q); \
7223 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7224 MaxStrokePad,sizeof(*stroke_q)); \
7227 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7229 if (stroke_p != (PointInfo *) NULL) \
7230 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7231 if (stroke_q != (PointInfo *) NULL) \
7232 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7233 polygon_primitive=(PrimitiveInfo *) \
7234 RelinquishMagickMemory(polygon_primitive); \
7235 (void) ThrowMagickException(exception,GetMagickModule(), \
7236 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7237 return((PrimitiveInfo *) NULL); \
7241 typedef struct _StrokeSegment
7287 inverse_slope = {0.0, 0.0},
7294 number_vertices=primitive_info->coordinates;
7295 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7296 number_vertices+2UL,
sizeof(*polygon_primitive));
7299 (void) ThrowMagickException(exception,GetMagickModule(),
7300 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7303 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7304 sizeof(*polygon_primitive));
7305 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7306 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7307 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7308 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7309 if (((draw_info->linejoin == RoundJoin) ||
7310 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7312 polygon_primitive[number_vertices]=primitive_info[1];
7315 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7321 for (n=1; n < (ssize_t) number_vertices; n++)
7323 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7324 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7325 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7328 if (n == (ssize_t) number_vertices)
7330 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7336 sizeof(*stroke_polygon));
7337 stroke_polygon[0]=polygon_primitive[0];
7338 stroke_polygon[0].coordinates=0;
7341 return(stroke_polygon);
7343 n=(ssize_t) number_vertices-1L;
7345 extent_p=2*number_vertices;
7346 extent_q=2*number_vertices;
7347 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7349 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7354 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7356 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7358 RelinquishMagickMemory(polygon_primitive);
7359 (void) ThrowMagickException(exception,GetMagickModule(),
7360 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7364 inverse_slope.p=0.0;
7365 if (fabs(dx.p) < MagickEpsilon)
7368 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7370 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7373 if (fabs(dy.p) < MagickEpsilon)
7376 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7378 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7383 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7385 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7386 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7387 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7388 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7389 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7390 offset.y=(double) (offset.x*inverse_slope.p);
7391 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7393 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7394 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7395 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7396 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7397 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7398 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7399 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7400 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7404 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7405 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7406 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7407 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7408 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7409 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7410 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7411 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7418 stroke_q[p++]=box_q[0];
7419 stroke_p[q++]=box_p[0];
7420 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7425 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7426 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7427 dot_product=dx.q*dx.q+dy.q*dy.q;
7428 if (dot_product < 0.25)
7431 inverse_slope.q=0.0;
7432 if (fabs(dx.q) < MagickEpsilon)
7435 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7437 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7440 if (fabs(dy.q) < MagickEpsilon)
7443 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7445 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7450 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7452 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7453 offset.y=(double) (offset.x*inverse_slope.q);
7454 dot_product=dy.q*offset.x-dx.q*offset.y;
7455 if (dot_product > 0.0)
7457 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7458 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7459 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7460 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7461 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7462 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7463 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7464 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7468 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7469 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7470 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7471 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7472 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7473 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7474 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7475 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7477 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7484 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7485 box_p[3].y)/(slope.p-slope.q));
7486 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7487 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7488 box_q[3].y)/(slope.p-slope.q));
7489 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7491 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7492 dot_product=dx.q*dy.p-dx.p*dy.q;
7493 if (dot_product <= 0.0)
7494 switch (draw_info->linejoin)
7498 stroke_q[q++]=box_q[1];
7499 stroke_q[q++]=box_q[2];
7500 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7501 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7502 if (dot_product <= miterlimit)
7503 stroke_p[p++]=box_p[4];
7506 stroke_p[p++]=box_p[1];
7507 stroke_p[p++]=box_p[2];
7513 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7514 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7515 if (dot_product <= miterlimit)
7517 stroke_q[q++]=box_q[4];
7518 stroke_p[p++]=box_p[4];
7522 stroke_q[q++]=box_q[1];
7523 stroke_q[q++]=box_q[2];
7524 stroke_p[p++]=box_p[1];
7525 stroke_p[p++]=box_p[2];
7531 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7532 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7533 if (dot_product <= miterlimit)
7534 stroke_p[p++]=box_p[4];
7537 stroke_p[p++]=box_p[1];
7538 stroke_p[p++]=box_p[2];
7540 center=polygon_primitive[n].point;
7541 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7542 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7543 if (theta.q < theta.p)
7544 theta.q+=2.0*MagickPI;
7545 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7546 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7547 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7548 stroke_q[q].x=box_q[1].x;
7549 stroke_q[q].y=box_q[1].y;
7551 for (j=1; j < (ssize_t) arc_segments; j++)
7553 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7554 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7555 (theta.p+delta_theta),DegreesToRadians(360.0))));
7556 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7557 (theta.p+delta_theta),DegreesToRadians(360.0))));
7560 stroke_q[q++]=box_q[2];
7567 switch (draw_info->linejoin)
7571 stroke_p[p++]=box_p[1];
7572 stroke_p[p++]=box_p[2];
7573 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7574 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7575 if (dot_product <= miterlimit)
7576 stroke_q[q++]=box_q[4];
7579 stroke_q[q++]=box_q[1];
7580 stroke_q[q++]=box_q[2];
7586 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7587 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7588 if (dot_product <= miterlimit)
7590 stroke_q[q++]=box_q[4];
7591 stroke_p[p++]=box_p[4];
7595 stroke_q[q++]=box_q[1];
7596 stroke_q[q++]=box_q[2];
7597 stroke_p[p++]=box_p[1];
7598 stroke_p[p++]=box_p[2];
7604 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7605 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7606 if (dot_product <= miterlimit)
7607 stroke_q[q++]=box_q[4];
7610 stroke_q[q++]=box_q[1];
7611 stroke_q[q++]=box_q[2];
7613 center=polygon_primitive[n].point;
7614 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7615 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7616 if (theta.p < theta.q)
7617 theta.p+=2.0*MagickPI;
7618 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7619 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7620 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7621 stroke_p[p++]=box_p[1];
7622 for (j=1; j < (ssize_t) arc_segments; j++)
7624 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7625 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7626 (theta.p+delta_theta),DegreesToRadians(360.0))));
7627 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7628 (theta.p+delta_theta),DegreesToRadians(360.0))));
7631 stroke_p[p++]=box_p[2];
7638 inverse_slope.p=inverse_slope.q;
7647 stroke_p[p++]=box_p[1];
7648 stroke_q[q++]=box_q[1];
7652 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7653 (p+q+2UL*closed_path+2UL),
sizeof(*stroke_polygon));
7656 (void) ThrowMagickException(exception,GetMagickModule(),
7657 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7658 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7659 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7662 return(stroke_polygon);
7664 for (i=0; i < (ssize_t) p; i++)
7666 stroke_polygon[i]=polygon_primitive[0];
7667 stroke_polygon[i].point=stroke_p[i];
7669 if (closed_path != MagickFalse)
7671 stroke_polygon[i]=polygon_primitive[0];
7672 stroke_polygon[i].point=stroke_polygon[0].point;
7675 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7677 stroke_polygon[i]=polygon_primitive[0];
7678 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7680 if (closed_path != MagickFalse)
7682 stroke_polygon[i]=polygon_primitive[0];
7683 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7686 stroke_polygon[i]=polygon_primitive[0];
7687 stroke_polygon[i].point=stroke_polygon[0].point;
7689 stroke_polygon[i].primitive=UndefinedPrimitive;
7690 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7691 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7692 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7693 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7694 return(stroke_polygon);