48#include "MagickCore/studio.h"
49#include "MagickCore/annotate.h"
50#include "MagickCore/artifact.h"
51#include "MagickCore/blob.h"
52#include "MagickCore/cache.h"
53#include "MagickCore/cache-private.h"
54#include "MagickCore/cache-view.h"
55#include "MagickCore/channel.h"
56#include "MagickCore/color.h"
57#include "MagickCore/colorspace-private.h"
58#include "MagickCore/composite.h"
59#include "MagickCore/composite-private.h"
60#include "MagickCore/constitute.h"
61#include "MagickCore/draw.h"
62#include "MagickCore/draw-private.h"
63#include "MagickCore/enhance.h"
64#include "MagickCore/exception.h"
65#include "MagickCore/exception-private.h"
66#include "MagickCore/gem.h"
67#include "MagickCore/geometry.h"
68#include "MagickCore/image-private.h"
69#include "MagickCore/list.h"
70#include "MagickCore/log.h"
71#include "MagickCore/magick.h"
72#include "MagickCore/memory-private.h"
73#include "MagickCore/monitor.h"
74#include "MagickCore/monitor-private.h"
75#include "MagickCore/option.h"
76#include "MagickCore/paint.h"
77#include "MagickCore/pixel-accessor.h"
78#include "MagickCore/property.h"
79#include "MagickCore/resample.h"
80#include "MagickCore/resample-private.h"
81#include "MagickCore/resource_.h"
82#include "MagickCore/splay-tree.h"
83#include "MagickCore/string_.h"
84#include "MagickCore/string-private.h"
85#include "MagickCore/thread-private.h"
86#include "MagickCore/token.h"
87#include "MagickCore/transform-private.h"
88#include "MagickCore/utility.h"
93#define AntialiasThreshold (1.0/3.0)
94#define BezierQuantum 200
95#define PrimitiveExtentPad 4296.0
96#define MaxBezierCoordinates 67108864
97#define ThrowPointExpectedException(token,exception) \
99 (void) ThrowMagickException(exception,GetMagickModule(),DrawError, \
100 "NonconformingDrawingPrimitiveDefinition","`%s'",token); \
101 status=MagickFalse; \
191 *DrawClippingMask(
Image *,
const DrawInfo *,
const char *,
const char *,
194static MagickBooleanType
200 const double,
const MagickBooleanType,
const MagickBooleanType),
201 TraceBezier(
MVGInfo *,
const size_t),
207 TraceSquareLinecap(
PrimitiveInfo *,
const size_t,
const double);
233MagickExport
DrawInfo *AcquireDrawInfo(
void)
238 draw_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*draw_info));
239 GetDrawInfo((
ImageInfo *) NULL,draw_info);
279 clone_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*clone_info));
280 GetDrawInfo(image_info,clone_info);
283 exception=AcquireExceptionInfo();
284 if (draw_info->id != (
char *) NULL)
285 (void) CloneString(&clone_info->id,draw_info->id);
286 if (draw_info->primitive != (
char *) NULL)
287 (
void) CloneString(&clone_info->primitive,draw_info->primitive);
288 if (draw_info->geometry != (
char *) NULL)
289 (void) CloneString(&clone_info->geometry,draw_info->geometry);
290 clone_info->compliance=draw_info->compliance;
291 clone_info->viewbox=draw_info->viewbox;
292 clone_info->affine=draw_info->affine;
293 clone_info->gravity=draw_info->gravity;
294 clone_info->fill=draw_info->fill;
295 clone_info->stroke=draw_info->stroke;
296 clone_info->stroke_width=draw_info->stroke_width;
297 if (draw_info->fill_pattern != (
Image *) NULL)
298 clone_info->fill_pattern=CloneImage(draw_info->fill_pattern,0,0,MagickTrue,
300 if (draw_info->stroke_pattern != (
Image *) NULL)
301 clone_info->stroke_pattern=CloneImage(draw_info->stroke_pattern,0,0,
302 MagickTrue,exception);
303 clone_info->stroke_antialias=draw_info->stroke_antialias;
304 clone_info->text_antialias=draw_info->text_antialias;
305 clone_info->fill_rule=draw_info->fill_rule;
306 clone_info->linecap=draw_info->linecap;
307 clone_info->linejoin=draw_info->linejoin;
308 clone_info->miterlimit=draw_info->miterlimit;
309 clone_info->dash_offset=draw_info->dash_offset;
310 clone_info->decorate=draw_info->decorate;
311 clone_info->compose=draw_info->compose;
312 if (draw_info->text != (
char *) NULL)
313 (
void) CloneString(&clone_info->text,draw_info->text);
314 if (draw_info->font != (
char *) NULL)
315 (void) CloneString(&clone_info->font,draw_info->font);
316 if (draw_info->metrics != (
char *) NULL)
317 (
void) CloneString(&clone_info->metrics,draw_info->metrics);
318 if (draw_info->family != (
char *) NULL)
319 (void) CloneString(&clone_info->family,draw_info->family);
320 clone_info->style=draw_info->style;
321 clone_info->stretch=draw_info->stretch;
322 clone_info->weight=draw_info->weight;
323 if (draw_info->encoding != (
char *) NULL)
324 (
void) CloneString(&clone_info->encoding,draw_info->encoding);
325 clone_info->pointsize=draw_info->pointsize;
326 clone_info->kerning=draw_info->kerning;
327 clone_info->interline_spacing=draw_info->interline_spacing;
328 clone_info->interword_spacing=draw_info->interword_spacing;
329 clone_info->direction=draw_info->direction;
330 clone_info->word_break=draw_info->word_break;
331 if (draw_info->density != (
char *) NULL)
332 (void) CloneString(&clone_info->density,draw_info->density);
333 clone_info->align=draw_info->align;
334 clone_info->undercolor=draw_info->undercolor;
335 clone_info->border_color=draw_info->border_color;
336 if (draw_info->server_name != (
char *) NULL)
337 (
void) CloneString(&clone_info->server_name,draw_info->server_name);
338 if (draw_info->dash_pattern != (
double *) NULL)
343 for (x=0; fabs(draw_info->dash_pattern[x]) >= MagickEpsilon; x++) ;
344 clone_info->dash_pattern=(
double *) AcquireQuantumMemory((
size_t) (2*x+2),
345 sizeof(*clone_info->dash_pattern));
346 if (clone_info->dash_pattern == (
double *) NULL)
347 ThrowFatalException(ResourceLimitFatalError,
348 "UnableToAllocateDashPattern");
349 (void) memset(clone_info->dash_pattern,0,(
size_t) (2*x+2)*
350 sizeof(*clone_info->dash_pattern));
351 (void) memcpy(clone_info->dash_pattern,draw_info->dash_pattern,(
size_t)
352 (x+1)*
sizeof(*clone_info->dash_pattern));
354 clone_info->gradient=draw_info->gradient;
355 if (draw_info->gradient.stops != (
StopInfo *) NULL)
360 number_stops=clone_info->gradient.number_stops;
361 clone_info->gradient.stops=(
StopInfo *) AcquireQuantumMemory((
size_t)
362 number_stops,
sizeof(*clone_info->gradient.stops));
363 if (clone_info->gradient.stops == (
StopInfo *) NULL)
364 ThrowFatalException(ResourceLimitFatalError,
365 "UnableToAllocateDashPattern");
366 (void) memcpy(clone_info->gradient.stops,draw_info->gradient.stops,
367 (
size_t) number_stops*
sizeof(*clone_info->gradient.stops));
369 clone_info->bounds=draw_info->bounds;
370 clone_info->fill_alpha=draw_info->fill_alpha;
371 clone_info->stroke_alpha=draw_info->stroke_alpha;
372 clone_info->element_reference=draw_info->element_reference;
373 clone_info->clip_path=draw_info->clip_path;
374 clone_info->clip_units=draw_info->clip_units;
375 if (draw_info->clip_mask != (
char *) NULL)
376 (
void) CloneString(&clone_info->clip_mask,draw_info->clip_mask);
377 if (draw_info->clipping_mask != (
Image *) NULL)
378 clone_info->clipping_mask=CloneImage(draw_info->clipping_mask,0,0,
379 MagickTrue,exception);
380 if (draw_info->composite_mask != (
Image *) NULL)
381 clone_info->composite_mask=CloneImage(draw_info->composite_mask,0,0,
382 MagickTrue,exception);
383 clone_info->render=draw_info->render;
384 clone_info->debug=draw_info->debug;
385 exception=DestroyExceptionInfo(exception);
425 if (polygon_info->edges != (
EdgeInfo *) NULL)
427 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
428 if (polygon_info->edges[i].points != (
PointInfo *) NULL)
429 polygon_info->edges[i].points=(
PointInfo *)
430 RelinquishMagickMemory(polygon_info->edges[i].points);
431 polygon_info->edges=(
EdgeInfo *) RelinquishMagickMemory(
432 polygon_info->edges);
434 return((
PolygonInfo *) RelinquishMagickMemory(polygon_info));
436#if defined(__cplusplus) || defined(c_plusplus)
440static int DrawCompareEdges(
const void *p_edge,
const void *q_edge)
442#define DrawCompareEdge(p,q) \
444 if (((p)-(q)) < 0.0) \
446 if (((p)-(q)) > 0.0) \
457 p=((
const EdgeInfo *) p_edge)->points;
458 q=((
const EdgeInfo *) q_edge)->points;
459 DrawCompareEdge(p[0].y,q[0].y);
460 DrawCompareEdge(p[0].x,q[0].x);
461 DrawCompareEdge((p[1].x-p[0].x)*(q[1].y-q[0].y),(p[1].y-p[0].y)*
463 DrawCompareEdge(p[1].y,q[1].y);
464 DrawCompareEdge(p[1].x,q[1].x);
468#if defined(__cplusplus) || defined(c_plusplus)
472static void LogPolygonInfo(
const PolygonInfo *polygon_info)
481 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin active-edge");
482 p=polygon_info->edges;
483 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
485 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" edge %.20g:",
487 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" direction: %s",
488 p->direction != MagickFalse ?
"down" :
"up");
489 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" ghostline: %s",
490 p->ghostline != MagickFalse ?
"transparent" :
"opaque");
491 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
492 " bounds: %g,%g - %g,%g",p->bounds.x1,p->bounds.y1,
493 p->bounds.x2,p->bounds.y2);
494 for (j=0; j < (ssize_t) p->number_points; j++)
495 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %g,%g",
496 p->points[j].x,p->points[j].y);
499 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end active-edge");
502static void ReversePoints(
PointInfo *points,
const size_t number_points)
510 for (i=0; i < (number_points >> 1); i++)
513 points[i]=points[number_points-(i+1)];
514 points[number_points-(i+1)]=point;
550 polygon_info=(
PolygonInfo *) AcquireMagickMemory(
sizeof(*polygon_info));
553 (void) ThrowMagickException(exception,GetMagickModule(),
554 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
558 polygon_info->edges=(
EdgeInfo *) AcquireQuantumMemory(number_edges,
559 sizeof(*polygon_info->edges));
560 if (polygon_info->edges == (
EdgeInfo *) NULL)
562 (void) ThrowMagickException(exception,GetMagickModule(),
563 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
564 return(DestroyPolygonInfo(polygon_info));
566 (void) memset(polygon_info->edges,0,number_edges*
567 sizeof(*polygon_info->edges));
570 ghostline=MagickFalse;
574 (void) memset(&point,0,
sizeof(point));
575 (void) memset(&bounds,0,
sizeof(bounds));
576 polygon_info->edges[edge].number_points=(size_t) n;
577 polygon_info->edges[edge].scanline=0.0;
578 polygon_info->edges[edge].highwater=0;
579 polygon_info->edges[edge].ghostline=ghostline;
580 polygon_info->edges[edge].direction=(ssize_t) direction;
581 polygon_info->edges[edge].points=points;
582 polygon_info->edges[edge].bounds=bounds;
583 polygon_info->number_edges=0;
584 for (i=0; path_info[i].code != EndCode; i++)
586 if ((path_info[i].code == MoveToCode) || (path_info[i].code == OpenCode) ||
587 (path_info[i].code == GhostlineCode))
592 if ((points != (
PointInfo *) NULL) && (n >= 2))
594 if (edge == number_edges)
597 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
598 polygon_info->edges,(
size_t) number_edges,
599 sizeof(*polygon_info->edges));
600 if (polygon_info->edges == (
EdgeInfo *) NULL)
602 (void) ThrowMagickException(exception,GetMagickModule(),
603 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
604 points=(
PointInfo *) RelinquishMagickMemory(points);
605 return(DestroyPolygonInfo(polygon_info));
608 polygon_info->edges[edge].number_points=(size_t) n;
609 polygon_info->edges[edge].scanline=(-1.0);
610 polygon_info->edges[edge].highwater=0;
611 polygon_info->edges[edge].ghostline=ghostline;
612 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
614 ReversePoints(points,(
size_t) n);
615 polygon_info->edges[edge].points=points;
616 polygon_info->edges[edge].bounds=bounds;
617 polygon_info->edges[edge].bounds.y1=points[0].y;
618 polygon_info->edges[edge].bounds.y2=points[n-1].y;
620 ghostline=MagickFalse;
622 polygon_info->number_edges=edge;
627 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
631 (void) ThrowMagickException(exception,GetMagickModule(),
632 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
633 return(DestroyPolygonInfo(polygon_info));
636 ghostline=path_info[i].code == GhostlineCode ? MagickTrue : MagickFalse;
637 point=path_info[i].point;
648 next_direction=((path_info[i].point.y > point.y) ||
649 ((fabs(path_info[i].point.y-point.y) < MagickEpsilon) &&
650 (path_info[i].point.x > point.x))) ? 1 : -1;
651 if ((points != (
PointInfo *) NULL) && (direction != 0) &&
652 (direction != next_direction))
658 if (edge == number_edges)
661 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
662 polygon_info->edges,(
size_t) number_edges,
663 sizeof(*polygon_info->edges));
664 if (polygon_info->edges == (
EdgeInfo *) NULL)
666 (void) ThrowMagickException(exception,GetMagickModule(),
667 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
668 points=(
PointInfo *) RelinquishMagickMemory(points);
669 return(DestroyPolygonInfo(polygon_info));
672 polygon_info->edges[edge].number_points=(size_t) n;
673 polygon_info->edges[edge].scanline=(-1.0);
674 polygon_info->edges[edge].highwater=0;
675 polygon_info->edges[edge].ghostline=ghostline;
676 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
678 ReversePoints(points,(
size_t) n);
679 polygon_info->edges[edge].points=points;
680 polygon_info->edges[edge].bounds=bounds;
681 polygon_info->edges[edge].bounds.y1=points[0].y;
682 polygon_info->edges[edge].bounds.y2=points[n-1].y;
683 polygon_info->number_edges=edge+1;
686 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
690 (void) ThrowMagickException(exception,GetMagickModule(),
691 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
692 return(DestroyPolygonInfo(polygon_info));
695 ghostline=MagickFalse;
701 direction=next_direction;
704 if (n == (ssize_t) number_points)
707 points=(
PointInfo *) ResizeQuantumMemory(points,(
size_t) number_points,
711 (void) ThrowMagickException(exception,GetMagickModule(),
712 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
713 return(DestroyPolygonInfo(polygon_info));
716 point=path_info[i].point;
718 if (point.x < bounds.x1)
720 if (point.x > bounds.x2)
727 points=(
PointInfo *) RelinquishMagickMemory(points);
730 if (edge == number_edges)
733 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
734 polygon_info->edges,(
size_t) number_edges,
735 sizeof(*polygon_info->edges));
736 if (polygon_info->edges == (
EdgeInfo *) NULL)
738 (void) ThrowMagickException(exception,GetMagickModule(),
739 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
740 return(DestroyPolygonInfo(polygon_info));
743 polygon_info->edges[edge].number_points=(size_t) n;
744 polygon_info->edges[edge].scanline=(-1.0);
745 polygon_info->edges[edge].highwater=0;
746 polygon_info->edges[edge].ghostline=ghostline;
747 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
749 ReversePoints(points,(
size_t) n);
750 polygon_info->edges[edge].points=points;
751 polygon_info->edges[edge].bounds=bounds;
752 polygon_info->edges[edge].bounds.y1=points[0].y;
753 polygon_info->edges[edge].bounds.y2=points[n-1].y;
755 ghostline=MagickFalse;
757 polygon_info->number_edges=edge;
760 polygon_info->number_edges=edge;
761 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(polygon_info->edges,
762 polygon_info->number_edges,
sizeof(*polygon_info->edges));
763 if (polygon_info->edges == (
EdgeInfo *) NULL)
765 (void) ThrowMagickException(exception,GetMagickModule(),
766 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
767 return(DestroyPolygonInfo(polygon_info));
769 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
774 edge_info=polygon_info->edges+i;
775 edge_info->points=(
PointInfo *) ResizeQuantumMemory(edge_info->points,
776 edge_info->number_points,
sizeof(*edge_info->points));
777 if (edge_info->points == (
PointInfo *) NULL)
779 (void) ThrowMagickException(exception,GetMagickModule(),
780 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
781 return(DestroyPolygonInfo(polygon_info));
784 qsort(polygon_info->edges,(
size_t) polygon_info->number_edges,
785 sizeof(*polygon_info->edges),DrawCompareEdges);
786 if ((GetLogEventMask() & DrawEvent) != 0)
787 LogPolygonInfo(polygon_info);
788 return(polygon_info);
821static void LogPathInfo(
const PathInfo *path_info)
826 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin vector-path");
827 for (p=path_info; p->code != EndCode; p++)
828 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
829 " %g,%g %s",p->point.x,p->point.y,p->code == GhostlineCode ?
830 "moveto ghostline" : p->code == OpenCode ?
"moveto open" :
831 p->code == MoveToCode ?
"moveto" : p->code == LineToCode ?
"lineto" :
833 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end vector-path");
863 switch (primitive_info->primitive)
874 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
875 path_info=(
PathInfo *) AcquireQuantumMemory((
size_t) (3UL*i+1UL),
879 (void) ThrowMagickException(exception,GetMagickModule(),
880 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
884 closed_subpath=MagickFalse;
891 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
894 if (coordinates <= 0)
899 coordinates=primitive_info[i].coordinates;
900 p=primitive_info[i].point;
903 closed_subpath=primitive_info[i].closed_subpath;
906 if ((code == MoveToCode) || (coordinates <= 0) ||
907 (fabs(q.x-primitive_info[i].point.x) >= MagickEpsilon) ||
908 (fabs(q.y-primitive_info[i].point.y) >= MagickEpsilon))
913 path_info[n].code=code;
914 path_info[n].point=primitive_info[i].point;
915 q=primitive_info[i].point;
920 if (closed_subpath != MagickFalse)
922 closed_subpath=MagickFalse;
928 path_info[start].code=OpenCode;
929 path_info[n].code=GhostlineCode;
930 path_info[n].point=primitive_info[i].point;
932 path_info[n].code=LineToCode;
933 path_info[n].point=p;
936 path_info[n].code=EndCode;
937 path_info[n].point.x=0.0;
938 path_info[n].point.y=0.0;
939 if (IsEventLogging() != MagickFalse)
940 LogPathInfo(path_info);
941 path_info=(
PathInfo *) ResizeQuantumMemory(path_info,(
size_t) (n+1),
970 assert(draw_info != (
DrawInfo *) NULL);
971 assert(draw_info->signature == MagickCoreSignature);
972 if (IsEventLogging() != MagickFalse)
973 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
974 if (draw_info->id != (
char *) NULL)
975 draw_info->id=DestroyString(draw_info->id);
976 if (draw_info->primitive != (
char *) NULL)
977 draw_info->primitive=DestroyString(draw_info->primitive);
978 if (draw_info->text != (
char *) NULL)
979 draw_info->text=DestroyString(draw_info->text);
980 if (draw_info->geometry != (
char *) NULL)
981 draw_info->geometry=DestroyString(draw_info->geometry);
982 if (draw_info->fill_pattern != (
Image *) NULL)
983 draw_info->fill_pattern=DestroyImage(draw_info->fill_pattern);
984 if (draw_info->stroke_pattern != (
Image *) NULL)
985 draw_info->stroke_pattern=DestroyImage(draw_info->stroke_pattern);
986 if (draw_info->font != (
char *) NULL)
987 draw_info->font=DestroyString(draw_info->font);
988 if (draw_info->metrics != (
char *) NULL)
989 draw_info->metrics=DestroyString(draw_info->metrics);
990 if (draw_info->family != (
char *) NULL)
991 draw_info->family=DestroyString(draw_info->family);
992 if (draw_info->encoding != (
char *) NULL)
993 draw_info->encoding=DestroyString(draw_info->encoding);
994 if (draw_info->density != (
char *) NULL)
995 draw_info->density=DestroyString(draw_info->density);
996 if (draw_info->server_name != (
char *) NULL)
997 draw_info->server_name=(
char *)
998 RelinquishMagickMemory(draw_info->server_name);
999 if (draw_info->dash_pattern != (
double *) NULL)
1000 draw_info->dash_pattern=(
double *) RelinquishMagickMemory(
1001 draw_info->dash_pattern);
1002 if (draw_info->gradient.stops != (
StopInfo *) NULL)
1003 draw_info->gradient.stops=(
StopInfo *) RelinquishMagickMemory(
1004 draw_info->gradient.stops);
1005 if (draw_info->clip_mask != (
char *) NULL)
1006 draw_info->clip_mask=DestroyString(draw_info->clip_mask);
1007 if (draw_info->clipping_mask != (
Image *) NULL)
1008 draw_info->clipping_mask=DestroyImage(draw_info->clipping_mask);
1009 if (draw_info->composite_mask != (
Image *) NULL)
1010 draw_info->composite_mask=DestroyImage(draw_info->composite_mask);
1011 if (draw_info->image_info != (
ImageInfo *) NULL)
1012 draw_info->image_info=DestroyImageInfo(draw_info->image_info);
1013 draw_info->signature=(~MagickCoreSignature);
1014 draw_info=(
DrawInfo *) RelinquishMagickMemory(draw_info);
1065 inverse_edge.x1=edge->x1;
1066 inverse_edge.y1=edge->y1;
1067 inverse_edge.x2=edge->x2;
1068 inverse_edge.y2=edge->y2;
1069 z=affine->ry*y+affine->tx;
1070 if (affine->sx >= MagickEpsilon)
1072 intercept=(-z/affine->sx);
1074 if (x > inverse_edge.x1)
1076 intercept=(-z+(double) image->columns)/affine->sx;
1078 if (x < inverse_edge.x2)
1082 if (affine->sx < -MagickEpsilon)
1084 intercept=(-z+(double) image->columns)/affine->sx;
1086 if (x > inverse_edge.x1)
1088 intercept=(-z/affine->sx);
1090 if (x < inverse_edge.x2)
1094 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->columns))
1096 inverse_edge.x2=edge->x1;
1097 return(inverse_edge);
1102 z=affine->sy*y+affine->ty;
1103 if (affine->rx >= MagickEpsilon)
1105 intercept=(-z/affine->rx);
1107 if (x > inverse_edge.x1)
1109 intercept=(-z+(double) image->rows)/affine->rx;
1111 if (x < inverse_edge.x2)
1115 if (affine->rx < -MagickEpsilon)
1117 intercept=(-z+(double) image->rows)/affine->rx;
1119 if (x > inverse_edge.x1)
1121 intercept=(-z/affine->rx);
1123 if (x < inverse_edge.x2)
1127 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->rows))
1129 inverse_edge.x2=edge->x2;
1130 return(inverse_edge);
1132 return(inverse_edge);
1143 determinant=PerceptibleReciprocal(affine->sx*affine->sy-affine->rx*
1145 inverse_affine.sx=determinant*affine->sy;
1146 inverse_affine.rx=determinant*(-affine->rx);
1147 inverse_affine.ry=determinant*(-affine->ry);
1148 inverse_affine.sy=determinant*affine->sx;
1149 inverse_affine.tx=(-affine->tx)*inverse_affine.sx-affine->ty*
1151 inverse_affine.ty=(-affine->tx)*inverse_affine.rx-affine->ty*
1153 return(inverse_affine);
1156MagickExport MagickBooleanType DrawAffineImage(
Image *image,
1191 assert(image != (
Image *) NULL);
1192 assert(image->signature == MagickCoreSignature);
1193 if (IsEventLogging() != MagickFalse)
1194 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1195 assert(source != (
const Image *) NULL);
1196 assert(source->signature == MagickCoreSignature);
1200 extent[1].x=(double) source->columns;
1202 extent[2].x=(double) source->columns;
1203 extent[2].y=(double) source->rows;
1205 extent[3].y=(double) source->rows;
1206 for (i=0; i < 4; i++)
1212 extent[i].x=point.x*affine->sx+point.y*affine->ry+affine->tx;
1213 extent[i].y=point.x*affine->rx+point.y*affine->sy+affine->ty;
1217 for (i=1; i < 4; i++)
1219 if (min.x > extent[i].x)
1221 if (min.y > extent[i].y)
1223 if (max.x < extent[i].x)
1225 if (max.y < extent[i].y)
1231 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
1232 return(MagickFalse);
1238 inverse_affine=InverseAffineMatrix(affine);
1241 if (edge.y2 > (image->rows-1.0))
1242 edge.y2=image->rows-1.0;
1243 GetPixelInfo(image,&zero);
1244 start=CastDoubleToLong(ceil(edge.y1-0.5));
1245 stop=CastDoubleToLong(floor(edge.y2+0.5));
1246 source_view=AcquireVirtualCacheView(source,exception);
1247 image_view=AcquireAuthenticCacheView(image,exception);
1248#if defined(MAGICKCORE_OPENMP_SUPPORT)
1249 #pragma omp parallel for schedule(static) shared(status) \
1250 magick_number_threads(source,image,(size_t) (stop-start),2)
1252 for (y=start; y <= stop; y++)
1270 if (status == MagickFalse)
1272 inverse_edge=AffineEdge(source,&inverse_affine,(
double) y,&edge);
1273 if (inverse_edge.x2 < inverse_edge.x1)
1275 if (inverse_edge.x1 < 0.0)
1276 inverse_edge.x1=0.0;
1277 if (inverse_edge.x2 > image->columns-1.0)
1278 inverse_edge.x2=image->columns-1.0;
1279 q=GetCacheViewAuthenticPixels(image_view,CastDoubleToLong(
1280 ceil(inverse_edge.x1-0.5)),y,(
size_t) CastDoubleToLong(floor(
1281 inverse_edge.x2+0.5)-ceil(inverse_edge.x1-0.5)+1),1,exception);
1282 if (q == (Quantum *) NULL)
1286 for (x=CastDoubleToLong(ceil(inverse_edge.x1-0.5));
1287 x <= CastDoubleToLong(floor(inverse_edge.x2+0.5)); x++)
1289 point.x=(double) x*inverse_affine.sx+y*inverse_affine.ry+
1291 point.y=(double) x*inverse_affine.rx+y*inverse_affine.sy+
1293 status=InterpolatePixelInfo(source,source_view,UndefinedInterpolatePixel,
1294 point.x,point.y,&pixel,exception);
1295 if (status == MagickFalse)
1297 GetPixelInfoPixel(image,q,&composite);
1298 CompositePixelInfoOver(&pixel,pixel.alpha,&composite,composite.alpha,
1300 SetPixelViaPixelInfo(image,&composite,q);
1301 q+=GetPixelChannels(image);
1303 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1306 source_view=DestroyCacheView(source_view);
1307 image_view=DestroyCacheView(image_view);
1343static MagickBooleanType DrawBoundingRectangles(
Image *image,
1373 (void) memset(primitive_info,0,
sizeof(primitive_info));
1374 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1375 status=QueryColorCompliance(
"#000F",AllCompliance,&clone_info->fill,
1377 if (status == MagickFalse)
1379 clone_info=DestroyDrawInfo(clone_info);
1380 return(MagickFalse);
1384 if (clone_info->density != (
char *) NULL)
1392 flags=ParseGeometry(clone_info->density,&geometry_info);
1393 if ((flags & RhoValue) != 0)
1394 resolution.x=geometry_info.rho;
1395 resolution.y=resolution.x;
1396 if ((flags & SigmaValue) != 0)
1397 resolution.y=geometry_info.sigma;
1399 mid=(resolution.x/96.0)*ExpandAffine(&clone_info->affine)*
1400 clone_info->stroke_width/2.0;
1407 bounds=polygon_info->edges[0].bounds;
1408 for (i=1; i < (ssize_t) polygon_info->number_edges; i++)
1410 if (polygon_info->edges[i].bounds.x1 < (
double) bounds.x1)
1411 bounds.x1=polygon_info->edges[i].bounds.x1;
1412 if (polygon_info->edges[i].bounds.y1 < (
double) bounds.y1)
1413 bounds.y1=polygon_info->edges[i].bounds.y1;
1414 if (polygon_info->edges[i].bounds.x2 > (
double) bounds.x2)
1415 bounds.x2=polygon_info->edges[i].bounds.x2;
1416 if (polygon_info->edges[i].bounds.y2 > (
double) bounds.y2)
1417 bounds.y2=polygon_info->edges[i].bounds.y2;
1420 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double)
1421 image->columns ? (
double) image->columns-1 : bounds.x1;
1423 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double)
1424 image->rows ? (
double) image->rows-1 : bounds.y1;
1426 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double)
1427 image->columns ? (
double) image->columns-1 : bounds.x2;
1429 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double)
1430 image->rows ? (
double) image->rows-1 : bounds.y2;
1431 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
1433 if (polygon_info->edges[i].direction != 0)
1434 status=QueryColorCompliance(
"#f00",AllCompliance,&clone_info->stroke,
1437 status=QueryColorCompliance(
"#0f0",AllCompliance,&clone_info->stroke,
1439 if (status == MagickFalse)
1441 start.x=(double) (polygon_info->edges[i].bounds.x1-mid);
1442 start.y=(double) (polygon_info->edges[i].bounds.y1-mid);
1443 end.x=(double) (polygon_info->edges[i].bounds.x2+mid);
1444 end.y=(double) (polygon_info->edges[i].bounds.y2+mid);
1445 primitive_info[0].primitive=RectanglePrimitive;
1446 status&=(MagickStatusType) TraceRectangle(primitive_info,start,end);
1447 primitive_info[0].method=ReplaceMethod;
1448 coordinates=(ssize_t) primitive_info[0].coordinates;
1449 primitive_info[coordinates].primitive=UndefinedPrimitive;
1450 status=DrawPrimitive(image,clone_info,primitive_info,exception);
1451 if (status == MagickFalse)
1454 if (i < (ssize_t) polygon_info->number_edges)
1456 clone_info=DestroyDrawInfo(clone_info);
1457 return(status == 0 ? MagickFalse : MagickTrue);
1460 status=QueryColorCompliance(
"#00f",AllCompliance,&clone_info->stroke,
1462 if (status == MagickFalse)
1464 clone_info=DestroyDrawInfo(clone_info);
1465 return(MagickFalse);
1467 start.x=(double) (bounds.x1-mid);
1468 start.y=(double) (bounds.y1-mid);
1469 end.x=(double) (bounds.x2+mid);
1470 end.y=(double) (bounds.y2+mid);
1471 primitive_info[0].primitive=RectanglePrimitive;
1472 status&=(MagickStatusType) TraceRectangle(primitive_info,start,end);
1473 primitive_info[0].method=ReplaceMethod;
1474 coordinates=(ssize_t) primitive_info[0].coordinates;
1475 primitive_info[coordinates].primitive=UndefinedPrimitive;
1476 status=DrawPrimitive(image,clone_info,primitive_info,exception);
1477 clone_info=DestroyDrawInfo(clone_info);
1478 return(status == 0 ? MagickFalse : MagickTrue);
1510MagickExport MagickBooleanType DrawClipPath(
Image *image,
1522 clip_path=GetImageArtifact(image,
id);
1523 if (clip_path == (
const char *) NULL)
1524 return(MagickFalse);
1525 clipping_mask=DrawClippingMask(image,draw_info,draw_info->clip_mask,clip_path,
1527 if (clipping_mask == (
Image *) NULL)
1528 return(MagickFalse);
1529 status=SetImageMask(image,WritePixelMask,clipping_mask,exception);
1530 clipping_mask=DestroyImage(clipping_mask);
1567 const char *
id,
const char *clip_path,
ExceptionInfo *exception)
1582 assert(image != (
Image *) NULL);
1583 assert(image->signature == MagickCoreSignature);
1584 assert(draw_info != (
const DrawInfo *) NULL);
1585 if (IsEventLogging() != MagickFalse)
1586 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1587 clip_mask=AcquireImage((
const ImageInfo *) NULL,exception);
1588 status=SetImageExtent(clip_mask,image->columns,image->rows,exception);
1589 if (status == MagickFalse)
1590 return(DestroyImage(clip_mask));
1591 status=SetImageMask(clip_mask,WritePixelMask,(
Image *) NULL,exception);
1592 status=QueryColorCompliance(
"#0000",AllCompliance,
1593 &clip_mask->background_color,exception);
1594 clip_mask->background_color.alpha=(MagickRealType) TransparentAlpha;
1595 clip_mask->background_color.alpha_trait=BlendPixelTrait;
1596 status=SetImageBackgroundColor(clip_mask,exception);
1597 if (draw_info->debug != MagickFalse)
1598 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin clip-path %s",
1600 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1601 (void) CloneString(&clone_info->primitive,clip_path);
1602 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1604 if (clone_info->clip_mask != (
char *) NULL)
1605 clone_info->clip_mask=DestroyString(clone_info->clip_mask);
1606 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1608 clone_info->stroke_width=0.0;
1609 clone_info->alpha=OpaqueAlpha;
1610 clone_info->clip_path=MagickTrue;
1611 status=RenderMVGContent(clip_mask,clone_info,0,exception);
1612 clone_info=DestroyDrawInfo(clone_info);
1613 separate_mask=SeparateImage(clip_mask,AlphaChannel,exception);
1614 if (separate_mask == (
Image *) NULL)
1618 clip_mask=DestroyImage(clip_mask);
1619 clip_mask=separate_mask;
1620 status&=(MagickStatusType) NegateImage(clip_mask,MagickFalse,exception);
1622 if (status == MagickFalse)
1623 clip_mask=DestroyImage(clip_mask);
1624 if (draw_info->debug != MagickFalse)
1625 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end clip-path");
1661 const char *
id,
const char *mask_path,
ExceptionInfo *exception)
1676 assert(image != (
Image *) NULL);
1677 assert(image->signature == MagickCoreSignature);
1678 assert(draw_info != (
const DrawInfo *) NULL);
1679 if (IsEventLogging() != MagickFalse)
1680 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1681 composite_mask=AcquireImage((
const ImageInfo *) NULL,exception);
1682 status=SetImageExtent(composite_mask,image->columns,image->rows,exception);
1683 if (status == MagickFalse)
1684 return(DestroyImage(composite_mask));
1685 status=SetImageMask(composite_mask,CompositePixelMask,(
Image *) NULL,
1687 status=QueryColorCompliance(
"#0000",AllCompliance,
1688 &composite_mask->background_color,exception);
1689 composite_mask->background_color.alpha=(MagickRealType) TransparentAlpha;
1690 composite_mask->background_color.alpha_trait=BlendPixelTrait;
1691 (void) SetImageBackgroundColor(composite_mask,exception);
1692 if (draw_info->debug != MagickFalse)
1693 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin mask-path %s",
1695 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1696 (void) CloneString(&clone_info->primitive,mask_path);
1697 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1699 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1701 clone_info->stroke_width=0.0;
1702 clone_info->alpha=OpaqueAlpha;
1703 status=RenderMVGContent(composite_mask,clone_info,0,exception);
1704 clone_info=DestroyDrawInfo(clone_info);
1705 separate_mask=SeparateImage(composite_mask,AlphaChannel,exception);
1706 if (separate_mask != (
Image *) NULL)
1708 composite_mask=DestroyImage(composite_mask);
1709 composite_mask=separate_mask;
1710 status=NegateImage(composite_mask,MagickFalse,exception);
1711 if (status == MagickFalse)
1712 composite_mask=DestroyImage(composite_mask);
1714 if (status == MagickFalse)
1715 composite_mask=DestroyImage(composite_mask);
1716 if (draw_info->debug != MagickFalse)
1717 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end mask-path");
1718 return(composite_mask);
1752static MagickBooleanType DrawDashPolygon(
const DrawInfo *draw_info,
1783 assert(draw_info != (
const DrawInfo *) NULL);
1784 if (draw_info->debug != MagickFalse)
1785 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1786 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1787 number_vertices=(size_t) i;
1788 dash_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1789 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1792 (void) ThrowMagickException(exception,GetMagickModule(),
1793 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1794 return(MagickFalse);
1796 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1797 sizeof(*dash_polygon));
1798 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1799 clone_info->miterlimit=0;
1800 dash_polygon[0]=primitive_info[0];
1801 scale=ExpandAffine(&draw_info->affine);
1802 length=scale*draw_info->dash_pattern[0];
1803 offset=fabs(draw_info->dash_offset) >= MagickEpsilon ?
1804 scale*draw_info->dash_offset : 0.0;
1806 for (n=0; offset > 0.0; j=0)
1808 if (draw_info->dash_pattern[n] <= 0.0)
1810 length=scale*(draw_info->dash_pattern[n]+(n == 0 ? -0.5 : 0.5));
1811 if (offset > length)
1815 length=scale*draw_info->dash_pattern[n];
1818 if (offset < length)
1830 for (i=1; (i < (ssize_t) number_vertices) && (length >= 0.0); i++)
1832 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
1833 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
1834 maximum_length=hypot(dx,dy);
1835 if (maximum_length > (
double) (MaxBezierCoordinates >> 2))
1837 if (fabs(length) < MagickEpsilon)
1839 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1841 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1843 length=scale*draw_info->dash_pattern[n];
1845 for (total_length=0.0; (length >= 0.0) && (maximum_length >= (total_length+length)); )
1847 total_length+=length;
1848 if ((n & 0x01) != 0)
1850 dash_polygon[0]=primitive_info[0];
1851 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1852 total_length*PerceptibleReciprocal(maximum_length));
1853 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1854 total_length*PerceptibleReciprocal(maximum_length));
1859 if ((j+1) > (ssize_t) number_vertices)
1861 dash_polygon[j]=primitive_info[i-1];
1862 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1863 total_length*PerceptibleReciprocal(maximum_length));
1864 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1865 total_length*PerceptibleReciprocal(maximum_length));
1866 dash_polygon[j].coordinates=1;
1868 dash_polygon[0].coordinates=(size_t) j;
1869 dash_polygon[j].primitive=UndefinedPrimitive;
1870 status&=(MagickStatusType) DrawStrokePolygon(image,clone_info,
1871 dash_polygon,exception);
1872 if (status == MagickFalse)
1875 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1877 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1879 length=scale*draw_info->dash_pattern[n];
1881 length-=(maximum_length-total_length);
1882 if ((n & 0x01) != 0)
1884 dash_polygon[j]=primitive_info[i];
1885 dash_polygon[j].coordinates=1;
1888 if ((status != MagickFalse) && (total_length < maximum_length) &&
1889 ((n & 0x01) == 0) && (j > 1))
1891 dash_polygon[j]=primitive_info[i-1];
1892 dash_polygon[j].point.x+=MagickEpsilon;
1893 dash_polygon[j].point.y+=MagickEpsilon;
1894 dash_polygon[j].coordinates=1;
1896 dash_polygon[0].coordinates=(size_t) j;
1897 dash_polygon[j].primitive=UndefinedPrimitive;
1898 status&=(MagickStatusType) DrawStrokePolygon(image,clone_info,
1899 dash_polygon,exception);
1901 dash_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1902 clone_info=DestroyDrawInfo(clone_info);
1903 if (draw_info->debug != MagickFalse)
1904 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1905 return(status != 0 ? MagickTrue : MagickFalse);
1936static inline double GetStopColorOffset(
const GradientInfo *gradient,
1937 const ssize_t x,
const ssize_t y)
1939 switch (gradient->type)
1941 case UndefinedGradient:
1942 case LinearGradient:
1957 gradient_vector=(&gradient->gradient_vector);
1958 p.x=gradient_vector->x2-gradient_vector->x1;
1959 p.y=gradient_vector->y2-gradient_vector->y1;
1960 q.x=(double) x-gradient_vector->x1;
1961 q.y=(double) y-gradient_vector->y1;
1962 length=sqrt(q.x*q.x+q.y*q.y);
1963 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1964 gamma=PerceptibleReciprocal(gamma);
1965 scale=p.x*q.x+p.y*q.y;
1966 offset=gamma*scale*length;
1969 case RadialGradient:
1974 if (gradient->spread == RepeatSpread)
1976 v.x=(double) x-gradient->center.x;
1977 v.y=(double) y-gradient->center.y;
1978 return(sqrt(v.x*v.x+v.y*v.y));
1980 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1981 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1982 gradient->angle))))*PerceptibleReciprocal(gradient->radii.x);
1983 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1984 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1985 gradient->angle))))*PerceptibleReciprocal(gradient->radii.y);
1986 return(sqrt(v.x*v.x+v.y*v.y));
1992static int StopInfoCompare(
const void *x,
const void *y)
2000 if (stop_1->offset > stop_2->offset)
2002 if (fabs(stop_1->offset-stop_2->offset) <= MagickEpsilon)
2007MagickExport MagickBooleanType DrawGradientImage(
Image *image,
2040 assert(image != (
Image *) NULL);
2041 assert(image->signature == MagickCoreSignature);
2042 assert(draw_info != (
const DrawInfo *) NULL);
2043 if (IsEventLogging() != MagickFalse)
2044 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2045 gradient=(&draw_info->gradient);
2046 qsort(gradient->stops,gradient->number_stops,
sizeof(
StopInfo),
2048 gradient_vector=(&gradient->gradient_vector);
2049 point.x=gradient_vector->x2-gradient_vector->x1;
2050 point.y=gradient_vector->y2-gradient_vector->y1;
2051 length=sqrt(point.x*point.x+point.y*point.y);
2052 bounding_box=gradient->bounding_box;
2054 GetPixelInfo(image,&zero);
2055 image_view=AcquireAuthenticCacheView(image,exception);
2056#if defined(MAGICKCORE_OPENMP_SUPPORT)
2057 #pragma omp parallel for schedule(static) shared(status) \
2058 magick_number_threads(image,image,(bounding_box.height-(size_t) bounding_box.y),1)
2060 for (y=bounding_box.y; y < (ssize_t) bounding_box.height; y++)
2080 if (status == MagickFalse)
2082 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2083 if (q == (Quantum *) NULL)
2090 offset=GetStopColorOffset(gradient,0,y);
2091 if (gradient->type != RadialGradient)
2092 offset*=PerceptibleReciprocal(length);
2093 for (x=bounding_box.x; x < (ssize_t) bounding_box.width; x++)
2095 GetPixelInfoPixel(image,q,&pixel);
2096 switch (gradient->spread)
2098 case UndefinedSpread:
2101 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2102 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2104 offset=GetStopColorOffset(gradient,x,y);
2105 if (gradient->type != RadialGradient)
2106 offset*=PerceptibleReciprocal(length);
2108 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2109 if (offset < gradient->stops[i].offset)
2111 if ((offset < 0.0) || (i == 0))
2112 composite=gradient->stops[0].color;
2114 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2115 composite=gradient->stops[gradient->number_stops-1].color;
2120 alpha=(offset-gradient->stops[i].offset)/
2121 (gradient->stops[j].offset-gradient->stops[i].offset);
2122 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2123 &gradient->stops[j].color,alpha,&composite);
2129 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2130 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2132 offset=GetStopColorOffset(gradient,x,y);
2133 if (gradient->type != RadialGradient)
2134 offset*=PerceptibleReciprocal(length);
2138 if ((ssize_t) fmod(offset,2.0) == 0)
2139 offset=fmod(offset,1.0);
2141 offset=1.0-fmod(offset,1.0);
2142 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2143 if (offset < gradient->stops[i].offset)
2146 composite=gradient->stops[0].color;
2148 if (i == (ssize_t) gradient->number_stops)
2149 composite=gradient->stops[gradient->number_stops-1].color;
2154 alpha=(offset-gradient->stops[i].offset)/
2155 (gradient->stops[j].offset-gradient->stops[i].offset);
2156 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2157 &gradient->stops[j].color,alpha,&composite);
2169 antialias=MagickFalse;
2171 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2172 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2174 offset=GetStopColorOffset(gradient,x,y);
2175 if (gradient->type == LinearGradient)
2177 repeat=fmod(offset,length);
2179 repeat=length-fmod(-repeat,length);
2181 repeat=fmod(offset,length);
2182 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2183 MagickTrue : MagickFalse;
2184 offset=PerceptibleReciprocal(length)*repeat;
2188 repeat=fmod(offset,gradient->radius);
2190 repeat=gradient->radius-fmod(-repeat,gradient->radius);
2192 repeat=fmod(offset,gradient->radius);
2193 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2195 offset=repeat*PerceptibleReciprocal(gradient->radius);
2198 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2199 if (offset < gradient->stops[i].offset)
2202 composite=gradient->stops[0].color;
2204 if (i == (ssize_t) gradient->number_stops)
2205 composite=gradient->stops[gradient->number_stops-1].color;
2210 alpha=(offset-gradient->stops[i].offset)/
2211 (gradient->stops[j].offset-gradient->stops[i].offset);
2212 if (antialias != MagickFalse)
2214 if (gradient->type == LinearGradient)
2215 alpha=length-repeat;
2217 alpha=gradient->radius-repeat;
2219 j=(ssize_t) gradient->number_stops-1L;
2221 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2222 &gradient->stops[j].color,alpha,&composite);
2227 CompositePixelInfoOver(&composite,composite.alpha,&pixel,pixel.alpha,
2229 SetPixelViaPixelInfo(image,&pixel,q);
2230 q+=GetPixelChannels(image);
2232 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2235 image_view=DestroyCacheView(image_view);
2271static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2275 **text = (
char **) NULL;
2289 quantum=
sizeof(**mvg_info->primitive_info);
2290 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*(double) quantum;
2291 if (extent <= (
double) *mvg_info->extent)
2293 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2294 return(MagickFalse);
2295 if (mvg_info->offset > 0)
2297 text=(
char **) AcquireQuantumMemory((
size_t) mvg_info->offset,
2299 if (text == (
char **) NULL)
2300 return(MagickFalse);
2301 for (i=0; i < mvg_info->offset; i++)
2302 text[i]=(*mvg_info->primitive_info)[i].text;
2304 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2305 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2308 if (text != (
char **) NULL)
2309 text=(
char **) RelinquishMagickMemory(text);
2310 *mvg_info->extent=(size_t) extent;
2311 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2313 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2314 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2321 if (text != (
char **) NULL)
2323 for (i=0; i < mvg_info->offset; i++)
2324 if (text[i] != (
char *) NULL)
2325 text[i]=DestroyString(text[i]);
2326 text=(
char **) RelinquishMagickMemory(text);
2328 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2329 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2330 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2331 (PrimitiveExtentPad+1)*quantum);
2332 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2334 *mvg_info->extent=1;
2336 return(MagickFalse);
2339static inline double GetDrawValue(
const char *magick_restrict
string,
2340 char **magick_restrict sentinel)
2343 **magick_restrict q;
2349 value=InterpretLocaleValue(
string,q);
2354static int MVGMacroCompare(
const void *target,
const void *source)
2360 p=(
const char *) target;
2361 q=(
const char *) source;
2362 return(strcmp(p,q));
2383 if (primitive == (
const char *) NULL)
2385 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2386 RelinquishMagickMemory);
2387 macro=AcquireString(primitive);
2388 token=AcquireString(primitive);
2389 extent=strlen(token)+MagickPathExtent;
2390 for (q=primitive; *q !=
'\0'; )
2392 if (GetNextToken(q,&q,extent,token) < 1)
2396 if (LocaleCompare(
"push",token) == 0)
2402 (void) GetNextToken(q,&q,extent,token);
2406 name[MagickPathExtent];
2417 (void) GetNextToken(q,&q,extent,token);
2420 (void) CopyMagickString(name,token,MagickPathExtent);
2422 for (p=q; *p !=
'\0'; )
2424 if (GetNextToken(p,&p,extent,token) < 1)
2428 if (LocaleCompare(token,
"pop") == 0)
2430 end=p-strlen(token)-1;
2433 if (LocaleCompare(token,
"push") == 0)
2435 if ((n == 0) && (end > start))
2440 (void) GetNextToken(p,&p,extent,token);
2441 (void) CopyMagickString(macro,start,(
size_t) (end-start));
2442 (void) AddValueToSplayTree(macros,ConstantString(name),
2443 ConstantString(macro));
2450 token=DestroyString(token);
2451 macro=DestroyString(macro);
2455static inline MagickBooleanType IsPoint(
const char *point)
2463 value=GetDrawValue(point,&p);
2464 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2468static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2471 primitive_info->coordinates=1;
2472 primitive_info->closed_subpath=MagickFalse;
2473 primitive_info->point=point;
2477static MagickBooleanType RenderMVGContent(
Image *image,
2480#define RenderImageTag "Render/Image"
2487 keyword[MagickPathExtent],
2488 geometry[MagickPathExtent],
2490 pattern[MagickPathExtent],
2553 assert(image != (
Image *) NULL);
2554 assert(image->signature == MagickCoreSignature);
2555 assert(draw_info != (
DrawInfo *) NULL);
2556 assert(draw_info->signature == MagickCoreSignature);
2557 if (IsEventLogging() != MagickFalse)
2558 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2559 if (depth > MagickMaxRecursionDepth)
2560 ThrowBinaryException(DrawError,
"VectorGraphicsNestedTooDeeply",
2562 if ((draw_info->primitive == (
char *) NULL) ||
2563 (*draw_info->primitive ==
'\0'))
2564 return(MagickFalse);
2565 if (draw_info->debug != MagickFalse)
2566 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2567 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2568 return(MagickFalse);
2569 if ((image->alpha_trait & BlendPixelTrait) == 0)
2571 status=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
2572 if (status == MagickFalse)
2573 return(MagickFalse);
2575 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2576 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2577 primitive=FileToString(draw_info->primitive,~0UL,exception);
2579 primitive=AcquireString(draw_info->primitive);
2580 if (primitive == (
char *) NULL)
2581 return(MagickFalse);
2582 primitive_extent=(double) strlen(primitive);
2583 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2590 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2591 if (graphic_context == (
DrawInfo **) NULL)
2593 primitive=DestroyString(primitive);
2594 ThrowBinaryException(ResourceLimitError,
"MemoryAllocationFailed",
2597 number_points=(size_t) PrimitiveExtentPad;
2598 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2599 (number_points+1),
sizeof(*primitive_info));
2602 primitive=DestroyString(primitive);
2603 for ( ; n >= 0; n--)
2604 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2605 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2606 ThrowBinaryException(ResourceLimitError,
"MemoryAllocationFailed",
2609 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2610 sizeof(*primitive_info));
2611 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2612 mvg_info.primitive_info=(&primitive_info);
2613 mvg_info.extent=(&number_points);
2614 mvg_info.exception=exception;
2615 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2616 graphic_context[n]->viewbox=image->page;
2617 if ((image->page.width == 0) || (image->page.height == 0))
2619 graphic_context[n]->viewbox.width=image->columns;
2620 graphic_context[n]->viewbox.height=image->rows;
2622 token=AcquireString(primitive);
2623 extent=strlen(token)+MagickPathExtent;
2627 macros=GetMVGMacros(primitive);
2629 for (q=primitive; *q !=
'\0'; )
2634 if (GetNextToken(q,&q,MagickPathExtent,keyword) < 1)
2636 if (*keyword ==
'\0')
2638 if (*keyword ==
'#')
2643 while ((*q !=
'\n') && (*q !=
'\0'))
2647 p=q-strlen(keyword)-1;
2648 primitive_type=UndefinedPrimitive;
2649 current=graphic_context[n]->affine;
2650 GetAffineMatrix(&affine);
2659 if (LocaleCompare(
"affine",keyword) == 0)
2661 (void) GetNextToken(q,&q,extent,token);
2662 affine.sx=GetDrawValue(token,&next_token);
2663 if (token == next_token)
2664 ThrowPointExpectedException(token,exception);
2665 (void) GetNextToken(q,&q,extent,token);
2667 (void) GetNextToken(q,&q,extent,token);
2668 affine.rx=GetDrawValue(token,&next_token);
2669 if (token == next_token)
2670 ThrowPointExpectedException(token,exception);
2671 (void) GetNextToken(q,&q,extent,token);
2673 (void) GetNextToken(q,&q,extent,token);
2674 affine.ry=GetDrawValue(token,&next_token);
2675 if (token == next_token)
2676 ThrowPointExpectedException(token,exception);
2677 (void) GetNextToken(q,&q,extent,token);
2679 (void) GetNextToken(q,&q,extent,token);
2680 affine.sy=GetDrawValue(token,&next_token);
2681 if (token == next_token)
2682 ThrowPointExpectedException(token,exception);
2683 (void) GetNextToken(q,&q,extent,token);
2685 (void) GetNextToken(q,&q,extent,token);
2686 affine.tx=GetDrawValue(token,&next_token);
2687 if (token == next_token)
2688 ThrowPointExpectedException(token,exception);
2689 (void) GetNextToken(q,&q,extent,token);
2691 (void) GetNextToken(q,&q,extent,token);
2692 affine.ty=GetDrawValue(token,&next_token);
2693 if (token == next_token)
2694 ThrowPointExpectedException(token,exception);
2697 if (LocaleCompare(
"alpha",keyword) == 0)
2699 primitive_type=AlphaPrimitive;
2702 if (LocaleCompare(
"arc",keyword) == 0)
2704 primitive_type=ArcPrimitive;
2713 if (LocaleCompare(
"bezier",keyword) == 0)
2715 primitive_type=BezierPrimitive;
2718 if (LocaleCompare(
"border-color",keyword) == 0)
2720 (void) GetNextToken(q,&q,extent,token);
2721 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
2722 &graphic_context[n]->border_color,exception);
2731 if (LocaleCompare(
"class",keyword) == 0)
2736 (void) GetNextToken(q,&q,extent,token);
2737 if ((*token ==
'\0') || (*token ==
';'))
2745 for (i=0; i < n; i++)
2746 if (LocaleCompare(token,graphic_context[i]->
id) == 0)
2750 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2751 if ((graphic_context[n]->render != MagickFalse) &&
2752 (mvg_class != (
const char *) NULL) && (p > primitive))
2763 offset=(ssize_t) (p-primitive);
2764 elements=AcquireString(primitive);
2765 elements[offset]=
'\0';
2766 (void) ConcatenateString(&elements,mvg_class);
2767 (void) ConcatenateString(&elements,
"\n");
2768 (void) ConcatenateString(&elements,q);
2769 primitive=DestroyString(primitive);
2775 if (LocaleCompare(
"clip-path",keyword) == 0)
2783 (void) GetNextToken(q,&q,extent,token);
2789 (void) CloneString(&graphic_context[n]->clip_mask,token);
2790 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2791 if (clip_path != (
const char *) NULL)
2793 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2794 graphic_context[n]->clipping_mask=
2795 DestroyImage(graphic_context[n]->clipping_mask);
2796 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2797 graphic_context[n],token,clip_path,exception);
2798 if (graphic_context[n]->compliance != SVGCompliance)
2800 clip_path=(
const char *) GetValueFromSplayTree(macros,
2801 graphic_context[n]->clip_mask);
2802 if (clip_path != (
const char *) NULL)
2803 (
void) SetImageArtifact(image,
2804 graphic_context[n]->clip_mask,clip_path);
2805 status&=(MagickStatusType) DrawClipPath(image,
2806 graphic_context[n],graphic_context[n]->clip_mask,
2812 if (LocaleCompare(
"clip-rule",keyword) == 0)
2817 (void) GetNextToken(q,&q,extent,token);
2818 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2820 if (fill_rule == -1)
2825 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2828 if (LocaleCompare(
"clip-units",keyword) == 0)
2833 (void) GetNextToken(q,&q,extent,token);
2834 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2836 if (clip_units == -1)
2841 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2842 if (clip_units == ObjectBoundingBox)
2844 GetAffineMatrix(¤t);
2845 affine.sx=draw_info->bounds.x2;
2846 affine.sy=draw_info->bounds.y2;
2847 affine.tx=draw_info->bounds.x1;
2848 affine.ty=draw_info->bounds.y1;
2853 if (LocaleCompare(
"circle",keyword) == 0)
2855 primitive_type=CirclePrimitive;
2858 if (LocaleCompare(
"color",keyword) == 0)
2860 primitive_type=ColorPrimitive;
2863 if (LocaleCompare(
"compliance",keyword) == 0)
2869 (void) GetNextToken(q,&q,extent,token);
2870 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2871 MagickComplianceOptions,MagickFalse,token);
2874 if (LocaleCompare(
"currentColor",keyword) == 0)
2876 (void) GetNextToken(q,&q,extent,token);
2885 if (LocaleCompare(
"decorate",keyword) == 0)
2890 (void) GetNextToken(q,&q,extent,token);
2891 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2898 graphic_context[n]->decorate=(DecorationType) decorate;
2901 if (LocaleCompare(
"density",keyword) == 0)
2903 (void) GetNextToken(q,&q,extent,token);
2904 (void) CloneString(&graphic_context[n]->density,token);
2907 if (LocaleCompare(
"direction",keyword) == 0)
2912 (void) GetNextToken(q,&q,extent,token);
2913 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2915 if (direction == -1)
2918 graphic_context[n]->direction=(DirectionType) direction;
2927 if (LocaleCompare(
"ellipse",keyword) == 0)
2929 primitive_type=EllipsePrimitive;
2932 if (LocaleCompare(
"encoding",keyword) == 0)
2934 (void) GetNextToken(q,&q,extent,token);
2935 (void) CloneString(&graphic_context[n]->encoding,token);
2944 if (LocaleCompare(
"fill",keyword) == 0)
2949 (void) GetNextToken(q,&q,extent,token);
2950 if (graphic_context[n]->clip_path != MagickFalse)
2952 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2953 if (mvg_class != (
const char *) NULL)
2955 (void) DrawPatternPath(image,draw_info,mvg_class,
2956 &graphic_context[n]->fill_pattern,exception);
2959 (void) FormatLocaleString(pattern,MagickPathExtent,
"%s",token);
2960 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2962 (void) DrawPatternPath(image,draw_info,token,
2963 &graphic_context[n]->fill_pattern,exception);
2966 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
2967 &graphic_context[n]->fill,exception);
2968 if (graphic_context[n]->fill_alpha != (
double) OpaqueAlpha)
2969 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
2972 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2977 (void) GetNextToken(q,&q,extent,token);
2978 if (graphic_context[n]->clip_path != MagickFalse)
2980 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2981 opacity=MagickMin(MagickMax(factor*
2982 GetDrawValue(token,&next_token),0.0),1.0);
2983 if (token == next_token)
2984 ThrowPointExpectedException(token,exception);
2985 if (graphic_context[n]->compliance == SVGCompliance)
2986 graphic_context[n]->fill_alpha*=opacity;
2988 graphic_context[n]->fill_alpha=(double) QuantumRange*opacity;
2989 if (graphic_context[n]->fill.alpha != (
double) TransparentAlpha)
2990 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
2992 graphic_context[n]->fill.alpha=(MagickRealType)
2993 ClampToQuantum((
double) QuantumRange*opacity);
2994 graphic_context[n]->fill.alpha_trait=BlendPixelTrait;
2997 if (LocaleCompare(
"fill-rule",keyword) == 0)
3002 (void) GetNextToken(q,&q,extent,token);
3003 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
3005 if (fill_rule == -1)
3010 graphic_context[n]->fill_rule=(FillRule) fill_rule;
3013 if (LocaleCompare(
"font",keyword) == 0)
3015 (void) GetNextToken(q,&q,extent,token);
3016 (void) CloneString(&graphic_context[n]->font,token);
3017 if (LocaleCompare(
"none",token) == 0)
3018 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
3019 graphic_context[n]->font);
3022 if (LocaleCompare(
"font-family",keyword) == 0)
3024 (void) GetNextToken(q,&q,extent,token);
3025 (void) CloneString(&graphic_context[n]->family,token);
3028 if (LocaleCompare(
"font-size",keyword) == 0)
3030 (void) GetNextToken(q,&q,extent,token);
3031 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3032 if (token == next_token)
3033 ThrowPointExpectedException(token,exception);
3036 if (LocaleCompare(
"font-stretch",keyword) == 0)
3041 (void) GetNextToken(q,&q,extent,token);
3042 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3048 graphic_context[n]->stretch=(StretchType) stretch;
3051 if (LocaleCompare(
"font-style",keyword) == 0)
3056 (void) GetNextToken(q,&q,extent,token);
3057 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3063 graphic_context[n]->style=(StyleType) style;
3066 if (LocaleCompare(
"font-weight",keyword) == 0)
3071 (void) GetNextToken(q,&q,extent,token);
3072 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3074 weight=(ssize_t) StringToUnsignedLong(token);
3075 graphic_context[n]->weight=(size_t) weight;
3084 if (LocaleCompare(
"gradient-units",keyword) == 0)
3086 (void) GetNextToken(q,&q,extent,token);
3089 if (LocaleCompare(
"gravity",keyword) == 0)
3094 (void) GetNextToken(q,&q,extent,token);
3095 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3101 graphic_context[n]->gravity=(GravityType) gravity;
3110 if (LocaleCompare(
"image",keyword) == 0)
3115 primitive_type=ImagePrimitive;
3116 (void) GetNextToken(q,&q,extent,token);
3117 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3123 graphic_context[n]->compose=(CompositeOperator) compose;
3126 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3128 (void) GetNextToken(q,&q,extent,token);
3129 graphic_context[n]->interline_spacing=GetDrawValue(token,
3131 if (token == next_token)
3132 ThrowPointExpectedException(token,exception);
3135 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3137 (void) GetNextToken(q,&q,extent,token);
3138 graphic_context[n]->interword_spacing=GetDrawValue(token,
3140 if (token == next_token)
3141 ThrowPointExpectedException(token,exception);
3150 if (LocaleCompare(
"kerning",keyword) == 0)
3152 (void) GetNextToken(q,&q,extent,token);
3153 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3154 if (token == next_token)
3155 ThrowPointExpectedException(token,exception);
3164 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3166 (void) GetNextToken(q,&q,extent,token);
3167 if (IsPoint(token) == MagickFalse)
3169 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3170 clone_info->text=AcquireString(
" ");
3171 status&=(MagickStatusType) GetTypeMetrics(image,clone_info,&metrics,
3173 graphic_context[n]->kerning=metrics.width*
3174 GetDrawValue(token,&next_token);
3175 clone_info=DestroyDrawInfo(clone_info);
3176 if (token == next_token)
3177 ThrowPointExpectedException(token,exception);
3180 if (LocaleCompare(
"line",keyword) == 0)
3182 primitive_type=LinePrimitive;
3191 if (LocaleCompare(
"mask",keyword) == 0)
3199 (void) GetNextToken(q,&q,extent,token);
3200 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3201 if (mask_path != (
const char *) NULL)
3203 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3204 graphic_context[n]->composite_mask=
3205 DestroyImage(graphic_context[n]->composite_mask);
3206 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3207 graphic_context[n],token,mask_path,exception);
3208 if (graphic_context[n]->compliance != SVGCompliance)
3209 status=SetImageMask(image,CompositePixelMask,
3210 graphic_context[n]->composite_mask,exception);
3220 if (LocaleCompare(
"offset",keyword) == 0)
3222 (void) GetNextToken(q,&q,extent,token);
3225 if (LocaleCompare(
"opacity",keyword) == 0)
3230 (void) GetNextToken(q,&q,extent,token);
3231 if (graphic_context[n]->clip_path != MagickFalse)
3233 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3234 opacity=MagickMin(MagickMax(factor*
3235 GetDrawValue(token,&next_token),0.0),1.0);
3236 if (token == next_token)
3237 ThrowPointExpectedException(token,exception);
3238 if (graphic_context[n]->compliance == SVGCompliance)
3240 graphic_context[n]->fill_alpha*=opacity;
3241 graphic_context[n]->stroke_alpha*=opacity;
3245 graphic_context[n]->fill_alpha=(double) QuantumRange*opacity;
3246 graphic_context[n]->stroke_alpha=(double) QuantumRange*opacity;
3256 if (LocaleCompare(
"path",keyword) == 0)
3258 primitive_type=PathPrimitive;
3261 if (LocaleCompare(
"point",keyword) == 0)
3263 primitive_type=PointPrimitive;
3266 if (LocaleCompare(
"polyline",keyword) == 0)
3268 primitive_type=PolylinePrimitive;
3271 if (LocaleCompare(
"polygon",keyword) == 0)
3273 primitive_type=PolygonPrimitive;
3276 if (LocaleCompare(
"pop",keyword) == 0)
3278 if (GetNextToken(q,&q,extent,token) < 1)
3280 if (LocaleCompare(
"class",token) == 0)
3282 if (LocaleCompare(
"clip-path",token) == 0)
3284 if (LocaleCompare(
"defs",token) == 0)
3287 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3291 if (LocaleCompare(
"gradient",token) == 0)
3293 if (LocaleCompare(
"graphic-context",token) == 0)
3297 (void) ThrowMagickException(exception,GetMagickModule(),
3298 DrawError,
"UnbalancedGraphicContextPushPop",
"`%s'",token);
3303 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3304 (graphic_context[n]->compliance != SVGCompliance))
3305 if (LocaleCompare(graphic_context[n]->clip_mask,
3306 graphic_context[n-1]->clip_mask) != 0)
3307 status=SetImageMask(image,WritePixelMask,(
Image *) NULL,
3309 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3313 if (LocaleCompare(
"mask",token) == 0)
3315 if (LocaleCompare(
"pattern",token) == 0)
3317 if (LocaleCompare(
"symbol",token) == 0)
3320 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3327 if (LocaleCompare(
"push",keyword) == 0)
3329 if (GetNextToken(q,&q,extent,token) < 1)
3331 if (LocaleCompare(
"class",token) == 0)
3336 for (p=q; *q !=
'\0'; )
3338 if (GetNextToken(q,&q,extent,token) < 1)
3340 if (LocaleCompare(token,
"pop") != 0)
3342 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3343 if (LocaleCompare(token,
"class") != 0)
3347 (void) GetNextToken(q,&q,extent,token);
3350 if (LocaleCompare(
"clip-path",token) == 0)
3352 (void) GetNextToken(q,&q,extent,token);
3353 for (p=q; *q !=
'\0'; )
3355 if (GetNextToken(q,&q,extent,token) < 1)
3357 if (LocaleCompare(token,
"pop") != 0)
3359 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3360 if (LocaleCompare(token,
"clip-path") != 0)
3364 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3369 (void) GetNextToken(q,&q,extent,token);
3372 if (LocaleCompare(
"defs",token) == 0)
3375 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3379 if (LocaleCompare(
"gradient",token) == 0)
3382 key[2*MagickPathExtent],
3383 name[MagickPathExtent],
3384 type[MagickPathExtent];
3389 (void) GetNextToken(q,&q,extent,token);
3390 (void) CopyMagickString(name,token,MagickPathExtent);
3391 (void) GetNextToken(q,&q,extent,token);
3392 (void) CopyMagickString(type,token,MagickPathExtent);
3393 (void) GetNextToken(q,&q,extent,token);
3394 segment.x1=GetDrawValue(token,&next_token);
3395 if (token == next_token)
3396 ThrowPointExpectedException(token,exception);
3397 (void) GetNextToken(q,&q,extent,token);
3399 (void) GetNextToken(q,&q,extent,token);
3400 segment.y1=GetDrawValue(token,&next_token);
3401 if (token == next_token)
3402 ThrowPointExpectedException(token,exception);
3403 (void) GetNextToken(q,&q,extent,token);
3405 (void) GetNextToken(q,&q,extent,token);
3406 segment.x2=GetDrawValue(token,&next_token);
3407 if (token == next_token)
3408 ThrowPointExpectedException(token,exception);
3409 (void) GetNextToken(q,&q,extent,token);
3411 (void) GetNextToken(q,&q,extent,token);
3412 segment.y2=GetDrawValue(token,&next_token);
3413 if (token == next_token)
3414 ThrowPointExpectedException(token,exception);
3415 if (LocaleCompare(type,
"radial") == 0)
3417 (void) GetNextToken(q,&q,extent,token);
3419 (void) GetNextToken(q,&q,extent,token);
3421 for (p=q; *q !=
'\0'; )
3423 if (GetNextToken(q,&q,extent,token) < 1)
3425 if (LocaleCompare(token,
"pop") != 0)
3427 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3428 if (LocaleCompare(token,
"gradient") != 0)
3432 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3433 (p == (
char *) NULL) || ((q-4) < p))
3438 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3439 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3440 graphic_context[n]->affine.ry*segment.y1+
3441 graphic_context[n]->affine.tx;
3442 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3443 graphic_context[n]->affine.sy*segment.y1+
3444 graphic_context[n]->affine.ty;
3445 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3446 graphic_context[n]->affine.ry*segment.y2+
3447 graphic_context[n]->affine.tx;
3448 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3449 graphic_context[n]->affine.sy*segment.y2+
3450 graphic_context[n]->affine.ty;
3451 (void) FormatLocaleString(key,MagickPathExtent,
"%s",name);
3452 (void) SetImageArtifact(image,key,token);
3453 (void) FormatLocaleString(key,MagickPathExtent,
"%s-type",name);
3454 (void) SetImageArtifact(image,key,type);
3455 (void) FormatLocaleString(key,MagickPathExtent,
"%s-geometry",
3457 (void) FormatLocaleString(geometry,MagickPathExtent,
3458 "%gx%g%+.15g%+.15g",
3459 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3460 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3461 bounds.x1,bounds.y1);
3462 (void) SetImageArtifact(image,key,geometry);
3463 (void) GetNextToken(q,&q,extent,token);
3466 if (LocaleCompare(
"graphic-context",token) == 0)
3469 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3470 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3471 if (graphic_context == (
DrawInfo **) NULL)
3473 (void) ThrowMagickException(exception,GetMagickModule(),
3474 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3478 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3479 graphic_context[n-1]);
3482 (void) GetNextToken(q,&q,extent,token);
3483 (void) CloneString(&graphic_context[n]->
id,token);
3487 if (LocaleCompare(
"mask",token) == 0)
3489 (void) GetNextToken(q,&q,extent,token);
3492 if (LocaleCompare(
"pattern",token) == 0)
3495 key[2*MagickPathExtent],
3496 name[MagickPathExtent];
3501 (void) GetNextToken(q,&q,extent,token);
3502 (void) CopyMagickString(name,token,MagickPathExtent);
3503 (void) GetNextToken(q,&q,extent,token);
3504 region.x=CastDoubleToLong(ceil(GetDrawValue(token,
3506 if (token == next_token)
3507 ThrowPointExpectedException(token,exception);
3508 (void) GetNextToken(q,&q,extent,token);
3510 (void) GetNextToken(q,&q,extent,token);
3511 region.y=CastDoubleToLong(ceil(GetDrawValue(token,
3513 if (token == next_token)
3514 ThrowPointExpectedException(token,exception);
3515 (void) GetNextToken(q,&q,extent,token);
3517 (void) GetNextToken(q,&q,extent,token);
3518 region.width=CastDoubleToUnsigned(floor(GetDrawValue(
3519 token,&next_token)+0.5));
3520 if (token == next_token)
3521 ThrowPointExpectedException(token,exception);
3522 (void) GetNextToken(q,&q,extent,token);
3524 (void) GetNextToken(q,&q,extent,token);
3525 region.height=CastDoubleToUnsigned(GetDrawValue(token,
3527 if (token == next_token)
3528 ThrowPointExpectedException(token,exception);
3529 for (p=q; *q !=
'\0'; )
3531 if (GetNextToken(q,&q,extent,token) < 1)
3533 if (LocaleCompare(token,
"pop") != 0)
3535 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3536 if (LocaleCompare(token,
"pattern") != 0)
3540 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3545 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3546 (void) FormatLocaleString(key,MagickPathExtent,
"%s",name);
3547 (void) SetImageArtifact(image,key,token);
3548 (void) FormatLocaleString(key,MagickPathExtent,
"%s-geometry",
3550 (void) FormatLocaleString(geometry,MagickPathExtent,
3551 "%.20gx%.20g%+.20g%+.20g",(
double) region.width,(double)
3552 region.height,(
double) region.x,(double) region.y);
3553 (void) SetImageArtifact(image,key,geometry);
3554 (void) GetNextToken(q,&q,extent,token);
3557 if (LocaleCompare(
"symbol",token) == 0)
3560 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3573 if (LocaleCompare(
"rectangle",keyword) == 0)
3575 primitive_type=RectanglePrimitive;
3578 if (LocaleCompare(
"rotate",keyword) == 0)
3580 (void) GetNextToken(q,&q,extent,token);
3581 angle=GetDrawValue(token,&next_token);
3582 if (token == next_token)
3583 ThrowPointExpectedException(token,exception);
3584 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3585 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3586 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3587 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3590 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3592 primitive_type=RoundRectanglePrimitive;
3601 if (LocaleCompare(
"scale",keyword) == 0)
3603 (void) GetNextToken(q,&q,extent,token);
3604 affine.sx=GetDrawValue(token,&next_token);
3605 if (token == next_token)
3606 ThrowPointExpectedException(token,exception);
3607 (void) GetNextToken(q,&q,extent,token);
3609 (void) GetNextToken(q,&q,extent,token);
3610 affine.sy=GetDrawValue(token,&next_token);
3611 if (token == next_token)
3612 ThrowPointExpectedException(token,exception);
3615 if (LocaleCompare(
"skewX",keyword) == 0)
3617 (void) GetNextToken(q,&q,extent,token);
3618 angle=GetDrawValue(token,&next_token);
3619 if (token == next_token)
3620 ThrowPointExpectedException(token,exception);
3621 affine.ry=sin(DegreesToRadians(angle));
3624 if (LocaleCompare(
"skewY",keyword) == 0)
3626 (void) GetNextToken(q,&q,extent,token);
3627 angle=GetDrawValue(token,&next_token);
3628 if (token == next_token)
3629 ThrowPointExpectedException(token,exception);
3630 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3633 if (LocaleCompare(
"stop-color",keyword) == 0)
3639 if (number_stops == 1)
3640 stops=(
StopInfo *) AcquireQuantumMemory(2,
sizeof(*stops));
3642 if (number_stops > 2)
3643 stops=(
StopInfo *) ResizeQuantumMemory(stops,number_stops,
3647 (void) ThrowMagickException(exception,GetMagickModule(),
3648 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3652 (void) GetNextToken(q,&q,extent,token);
3653 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3654 &stop_color,exception);
3655 stops[number_stops-1].color=stop_color;
3656 (void) GetNextToken(q,&q,extent,token);
3657 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3658 stops[number_stops-1].offset=factor*GetDrawValue(token,
3660 if (token == next_token)
3661 ThrowPointExpectedException(token,exception);
3664 if (LocaleCompare(
"stroke",keyword) == 0)
3669 (void) GetNextToken(q,&q,extent,token);
3670 if (graphic_context[n]->clip_path != MagickFalse)
3672 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3673 if (mvg_class != (
const char *) NULL)
3675 (void) DrawPatternPath(image,draw_info,mvg_class,
3676 &graphic_context[n]->stroke_pattern,exception);
3679 (void) FormatLocaleString(pattern,MagickPathExtent,
"%s",token);
3680 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3682 (void) DrawPatternPath(image,draw_info,token,
3683 &graphic_context[n]->stroke_pattern,exception);
3686 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3687 &graphic_context[n]->stroke,exception);
3688 if (graphic_context[n]->stroke_alpha != (
double) OpaqueAlpha)
3689 graphic_context[n]->stroke.alpha=
3690 graphic_context[n]->stroke_alpha;
3693 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3695 (void) GetNextToken(q,&q,extent,token);
3696 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3697 MagickTrue : MagickFalse;
3700 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3702 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3703 graphic_context[n]->dash_pattern=(
double *)
3704 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3705 if (IsPoint(q) != MagickFalse)
3711 (void) GetNextToken(r,&r,extent,token);
3713 (void) GetNextToken(r,&r,extent,token);
3714 for (x=0; IsPoint(token) != MagickFalse; x++)
3716 (void) GetNextToken(r,&r,extent,token);
3718 (void) GetNextToken(r,&r,extent,token);
3720 graphic_context[n]->dash_pattern=(
double *)
3721 AcquireQuantumMemory((
size_t) (2*x+2),
3722 sizeof(*graphic_context[n]->dash_pattern));
3723 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3725 (void) ThrowMagickException(exception,GetMagickModule(),
3726 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3731 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3732 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3733 for (j=0; j < x; j++)
3735 (void) GetNextToken(q,&q,extent,token);
3737 (void) GetNextToken(q,&q,extent,token);
3738 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3740 if (token == next_token)
3741 ThrowPointExpectedException(token,exception);
3742 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3745 if ((x & 0x01) != 0)
3746 for ( ; j < (2*x); j++)
3747 graphic_context[n]->dash_pattern[j]=
3748 graphic_context[n]->dash_pattern[j-x];
3749 graphic_context[n]->dash_pattern[j]=0.0;
3752 (void) GetNextToken(q,&q,extent,token);
3755 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3757 (void) GetNextToken(q,&q,extent,token);
3758 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3759 if (token == next_token)
3760 ThrowPointExpectedException(token,exception);
3763 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3768 (void) GetNextToken(q,&q,extent,token);
3769 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3775 graphic_context[n]->linecap=(LineCap) linecap;
3778 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3783 (void) GetNextToken(q,&q,extent,token);
3784 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3791 graphic_context[n]->linejoin=(LineJoin) linejoin;
3794 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3796 (void) GetNextToken(q,&q,extent,token);
3797 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3800 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3805 (void) GetNextToken(q,&q,extent,token);
3806 if (graphic_context[n]->clip_path != MagickFalse)
3808 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3809 opacity=MagickMin(MagickMax(factor*GetDrawValue(token,&next_token),
3811 if (token == next_token)
3812 ThrowPointExpectedException(token,exception);
3813 if (graphic_context[n]->compliance == SVGCompliance)
3814 graphic_context[n]->stroke_alpha*=opacity;
3816 graphic_context[n]->stroke_alpha=(double) QuantumRange*opacity;
3817 if (graphic_context[n]->stroke.alpha != (
double) TransparentAlpha)
3818 graphic_context[n]->stroke.alpha=graphic_context[n]->stroke_alpha;
3820 graphic_context[n]->stroke.alpha=(MagickRealType)
3821 ClampToQuantum((
double) QuantumRange*opacity);
3822 graphic_context[n]->stroke.alpha_trait=BlendPixelTrait;
3825 if (LocaleCompare(
"stroke-width",keyword) == 0)
3827 (void) GetNextToken(q,&q,extent,token);
3828 if (graphic_context[n]->clip_path != MagickFalse)
3830 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3831 if ((token == next_token) ||
3832 (graphic_context[n]->stroke_width < 0.0))
3833 ThrowPointExpectedException(token,exception);
3842 if (LocaleCompare(
"text",keyword) == 0)
3844 primitive_type=TextPrimitive;
3848 if (LocaleCompare(
"text-align",keyword) == 0)
3853 (void) GetNextToken(q,&q,extent,token);
3854 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3860 graphic_context[n]->align=(AlignType) align;
3863 if (LocaleCompare(
"text-anchor",keyword) == 0)
3868 (void) GetNextToken(q,&q,extent,token);
3869 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3875 graphic_context[n]->align=(AlignType) align;
3878 if (LocaleCompare(
"text-antialias",keyword) == 0)
3880 (void) GetNextToken(q,&q,extent,token);
3881 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3882 MagickTrue : MagickFalse;
3885 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3887 (void) GetNextToken(q,&q,extent,token);
3888 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3889 &graphic_context[n]->undercolor,exception);
3892 if (LocaleCompare(
"translate",keyword) == 0)
3894 (void) GetNextToken(q,&q,extent,token);
3895 affine.tx=GetDrawValue(token,&next_token);
3896 if (token == next_token)
3897 ThrowPointExpectedException(token,exception);
3898 (void) GetNextToken(q,&q,extent,token);
3900 (void) GetNextToken(q,&q,extent,token);
3901 affine.ty=GetDrawValue(token,&next_token);
3902 if (token == next_token)
3903 ThrowPointExpectedException(token,exception);
3913 if (LocaleCompare(
"use",keyword) == 0)
3921 (void) GetNextToken(q,&q,extent,token);
3922 use=(
const char *) GetValueFromSplayTree(macros,token);
3923 if (use != (
const char *) NULL)
3925 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3926 (void) CloneString(&clone_info->primitive,use);
3927 status=RenderMVGContent(image,clone_info,depth+1,exception);
3928 clone_info=DestroyDrawInfo(clone_info);
3938 if (LocaleCompare(
"viewbox",keyword) == 0)
3940 (void) GetNextToken(q,&q,extent,token);
3941 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3942 GetDrawValue(token,&next_token)-0.5));
3943 if (token == next_token)
3944 ThrowPointExpectedException(token,exception);
3945 (void) GetNextToken(q,&q,extent,token);
3947 (void) GetNextToken(q,&q,extent,token);
3948 graphic_context[n]->viewbox.y=CastDoubleToLong(
3949 ceil(GetDrawValue(token,&next_token)-0.5));
3950 if (token == next_token)
3951 ThrowPointExpectedException(token,exception);
3952 (void) GetNextToken(q,&q,extent,token);
3954 (void) GetNextToken(q,&q,extent,token);
3955 graphic_context[n]->viewbox.width=CastDoubleToUnsigned(
3956 floor(GetDrawValue(token,&next_token)+0.5));
3957 if (token == next_token)
3958 ThrowPointExpectedException(token,exception);
3959 (void) GetNextToken(q,&q,extent,token);
3961 (void) GetNextToken(q,&q,extent,token);
3962 graphic_context[n]->viewbox.height=(size_t) CastDoubleToUnsigned(
3963 floor(GetDrawValue(token,&next_token)+0.5));
3964 if (token == next_token)
3965 ThrowPointExpectedException(token,exception);
3974 if (LocaleCompare(
"word-spacing",keyword) == 0)
3976 (void) GetNextToken(q,&q,extent,token);
3977 graphic_context[n]->interword_spacing=GetDrawValue(token,
3979 if (token == next_token)
3980 ThrowPointExpectedException(token,exception);
3992 if (status == MagickFalse)
3994 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3995 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3996 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3997 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3999 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
4000 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
4001 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
4002 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
4003 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
4005 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
4008 if (primitive_type == UndefinedPrimitive)
4012 if (number_stops > 1)
4017 type=LinearGradient;
4018 if (draw_info->gradient.type == RadialGradient)
4019 type=RadialGradient;
4020 (void) GradientImage(image,type,PadSpread,stops,number_stops,
4023 if (number_stops > 0)
4024 stops=(
StopInfo *) RelinquishMagickMemory(stops);
4026 if ((draw_info->debug != MagickFalse) && (q > p))
4027 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
4034 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4035 if (primitive_info[i].text != (
char *) NULL)
4036 primitive_info[i].text=DestroyString(primitive_info[i].text);
4040 primitive_info[0].point.x=0.0;
4041 primitive_info[0].point.y=0.0;
4042 primitive_info[0].coordinates=0;
4043 primitive_info[0].method=FloodfillMethod;
4044 primitive_info[0].closed_subpath=MagickFalse;
4045 for (x=0; *q !=
'\0'; x++)
4050 if (IsPoint(q) == MagickFalse)
4052 (void) GetNextToken(q,&q,extent,token);
4053 point.x=GetDrawValue(token,&next_token);
4054 if (token == next_token)
4055 ThrowPointExpectedException(token,exception);
4056 (void) GetNextToken(q,&q,extent,token);
4058 (void) GetNextToken(q,&q,extent,token);
4059 point.y=GetDrawValue(token,&next_token);
4060 if (token == next_token)
4061 ThrowPointExpectedException(token,exception);
4062 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4064 (void) GetNextToken(q,&q,extent,token);
4065 primitive_info[i].primitive=primitive_type;
4066 primitive_info[i].point=point;
4067 primitive_info[i].coordinates=0;
4068 primitive_info[i].method=FloodfillMethod;
4069 primitive_info[i].closed_subpath=MagickFalse;
4072 if (i < (ssize_t) number_points)
4074 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4076 primitive_info=(*mvg_info.primitive_info);
4078 if (status == MagickFalse)
4080 if (primitive_info[j].text != (
char *) NULL)
4081 primitive_info[j].text=DestroyString(primitive_info[j].text);
4082 primitive_info[j].primitive=primitive_type;
4083 primitive_info[j].coordinates=(size_t) x;
4084 primitive_info[j].method=FloodfillMethod;
4085 primitive_info[j].closed_subpath=MagickFalse;
4089 bounds.x1=primitive_info[j].point.x;
4090 bounds.y1=primitive_info[j].point.y;
4091 bounds.x2=primitive_info[j].point.x;
4092 bounds.y2=primitive_info[j].point.y;
4093 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4095 point=primitive_info[j+k].point;
4096 if (point.x < bounds.x1)
4098 if (point.y < bounds.y1)
4100 if (point.x > bounds.x2)
4102 if (point.y > bounds.y2)
4108 coordinates=(double) primitive_info[j].coordinates;
4109 switch (primitive_type)
4111 case RectanglePrimitive:
4116 case RoundRectanglePrimitive:
4123 alpha=bounds.x2-bounds.x1;
4124 beta=bounds.y2-bounds.y1;
4125 radius=hypot(alpha,beta);
4127 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4128 BezierQuantum+360.0;
4131 case BezierPrimitive:
4133 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4142 (void) GetNextToken(q,&q,extent,token);
4145 for (s=token; *s !=
'\0'; s=t)
4150 value=GetDrawValue(s,&t);
4159 for (s=token; *s !=
'\0'; s++)
4160 if (strspn(s,
"AaCcQqSsTt") != 0)
4161 coordinates+=(20.0*BezierQuantum)+360.0;
4167 if (status == MagickFalse)
4169 if (((
size_t) (i+coordinates)) >= number_points)
4174 number_points+=coordinates+1;
4175 if (number_points < (
size_t) coordinates)
4177 (void) ThrowMagickException(exception,GetMagickModule(),
4178 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4183 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4185 primitive_info=(*mvg_info.primitive_info);
4187 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,
4188 PrimitiveExtentPad);
4189 primitive_info=(*mvg_info.primitive_info);
4190 if (status == MagickFalse)
4193 switch (primitive_type)
4195 case PointPrimitive:
4198 if (primitive_info[j].coordinates != 1)
4203 status&=(MagickStatusType) TracePoint(primitive_info+j,
4204 primitive_info[j].point);
4205 primitive_info=(*mvg_info.primitive_info);
4206 i=j+(ssize_t) primitive_info[j].coordinates;
4211 if (primitive_info[j].coordinates != 2)
4216 status&=(MagickStatusType) TraceLine(primitive_info+j,
4217 primitive_info[j].point,primitive_info[j+1].point);
4218 primitive_info=(*mvg_info.primitive_info);
4219 i=j+(ssize_t) primitive_info[j].coordinates;
4222 case RectanglePrimitive:
4224 if (primitive_info[j].coordinates != 2)
4229 status&=(MagickStatusType) TraceRectangle(primitive_info+j,
4230 primitive_info[j].point,primitive_info[j+1].point);
4231 primitive_info=(*mvg_info.primitive_info);
4232 i=j+(ssize_t) primitive_info[j].coordinates;
4235 case RoundRectanglePrimitive:
4237 if (primitive_info[j].coordinates != 3)
4242 if ((primitive_info[j+2].point.x < 0.0) ||
4243 (primitive_info[j+2].point.y < 0.0))
4248 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4253 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4258 status&=(MagickStatusType) TraceRoundRectangle(&mvg_info,
4259 primitive_info[j].point,primitive_info[j+1].point,
4260 primitive_info[j+2].point);
4261 primitive_info=(*mvg_info.primitive_info);
4262 i=j+(ssize_t) primitive_info[j].coordinates;
4267 if (primitive_info[j].coordinates != 3)
4272 status&=(MagickStatusType) TraceArc(&mvg_info,primitive_info[j].point,
4273 primitive_info[j+1].point,primitive_info[j+2].point);
4274 primitive_info=(*mvg_info.primitive_info);
4275 i=j+(ssize_t) primitive_info[j].coordinates;
4278 case EllipsePrimitive:
4280 if (primitive_info[j].coordinates != 3)
4285 if ((primitive_info[j+1].point.x < 0.0) ||
4286 (primitive_info[j+1].point.y < 0.0))
4291 status&=(MagickStatusType) TraceEllipse(&mvg_info,
4292 primitive_info[j].point,primitive_info[j+1].point,
4293 primitive_info[j+2].point);
4294 primitive_info=(*mvg_info.primitive_info);
4295 i=j+(ssize_t) primitive_info[j].coordinates;
4298 case CirclePrimitive:
4300 if (primitive_info[j].coordinates != 2)
4305 status&=(MagickStatusType) TraceCircle(&mvg_info,
4306 primitive_info[j].point,primitive_info[j+1].point);
4307 primitive_info=(*mvg_info.primitive_info);
4308 i=j+(ssize_t) primitive_info[j].coordinates;
4311 case PolylinePrimitive:
4313 if (primitive_info[j].coordinates < 1)
4320 case PolygonPrimitive:
4322 if (primitive_info[j].coordinates < 3)
4327 primitive_info[i]=primitive_info[j];
4328 primitive_info[i].coordinates=0;
4329 primitive_info[j].coordinates++;
4330 primitive_info[j].closed_subpath=MagickTrue;
4334 case BezierPrimitive:
4336 if (primitive_info[j].coordinates < 3)
4341 status&=(MagickStatusType) TraceBezier(&mvg_info,
4342 primitive_info[j].coordinates);
4343 primitive_info=(*mvg_info.primitive_info);
4344 i=j+(ssize_t) primitive_info[j].coordinates;
4349 coordinates=(double) TracePath(&mvg_info,token,exception);
4350 primitive_info=(*mvg_info.primitive_info);
4351 if (coordinates < 0.0)
4356 i=(ssize_t) (j+coordinates);
4359 case AlphaPrimitive:
4360 case ColorPrimitive:
4365 if (primitive_info[j].coordinates != 1)
4370 (void) GetNextToken(q,&q,extent,token);
4371 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4377 primitive_info[j].method=(PaintMethod) method;
4382 if (primitive_info[j].coordinates != 1)
4388 (void) GetNextToken(q,&q,extent,token);
4389 (void) CloneString(&primitive_info[j].text,token);
4393 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4394 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4395 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4397 mvg_info.point=primitive_info->point;
4398 primitive_info->point.x+=cursor;
4402 mvg_info.point=primitive_info->point;
4405 clone_info->render=MagickFalse;
4406 clone_info->text=AcquireString(token);
4407 status&=(MagickStatusType) GetTypeMetrics(image,clone_info,
4408 &metrics,exception);
4409 clone_info=DestroyDrawInfo(clone_info);
4410 cursor+=metrics.width;
4411 if (graphic_context[n]->compliance != SVGCompliance)
4415 case ImagePrimitive:
4417 if (primitive_info[j].coordinates != 2)
4422 (void) GetNextToken(q,&q,extent,token);
4423 (void) CloneString(&primitive_info[j].text,token);
4430 primitive_info[i].primitive=UndefinedPrimitive;
4431 if ((draw_info->debug != MagickFalse) && (q > p))
4432 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4436 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4437 &graphic_context[n]->affine));
4438 primitive_info=(*mvg_info.primitive_info);
4441 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4442 graphic_context[n]->stroke_width);
4443 primitive_info=(*mvg_info.primitive_info);
4451 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4453 point=primitive_info[i].point;
4454 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4455 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4456 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4457 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4458 point=primitive_info[i].point;
4459 if (point.x < graphic_context[n]->bounds.x1)
4460 graphic_context[n]->bounds.x1=point.x;
4461 if (point.y < graphic_context[n]->bounds.y1)
4462 graphic_context[n]->bounds.y1=point.y;
4463 if (point.x > graphic_context[n]->bounds.x2)
4464 graphic_context[n]->bounds.x2=point.x;
4465 if (point.y > graphic_context[n]->bounds.y2)
4466 graphic_context[n]->bounds.y2=point.y;
4467 if (primitive_info[i].primitive == ImagePrimitive)
4469 if (i >= (ssize_t) number_points)
4470 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4472 if (graphic_context[n]->render != MagickFalse)
4474 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4475 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4476 (LocaleCompare(graphic_context[n]->clip_mask,
4477 graphic_context[n-1]->clip_mask) != 0))
4482 clip_path=(
const char *) GetValueFromSplayTree(macros,
4483 graphic_context[n]->clip_mask);
4484 if (clip_path != (
const char *) NULL)
4485 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4487 status&=(MagickStatusType) DrawClipPath(image,graphic_context[n],
4488 graphic_context[n]->clip_mask,exception);
4490 status&=(MagickStatusType) DrawPrimitive(image,graphic_context[n],
4491 primitive_info,exception);
4493 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4495 if (proceed == MagickFalse)
4500 if (draw_info->debug != MagickFalse)
4501 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4505 macros=DestroySplayTree(macros);
4506 token=DestroyString(token);
4509 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4510 if (primitive_info[i].text != (
char *) NULL)
4511 primitive_info[i].text=DestroyString(primitive_info[i].text);
4512 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4514 primitive=DestroyString(primitive);
4516 stops=(
StopInfo *) RelinquishMagickMemory(stops);
4517 for ( ; n >= 0; n--)
4518 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4519 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4520 if ((status == MagickFalse) && (exception->severity < ErrorException))
4521 ThrowBinaryException(DrawError,
"NonconformingDrawingPrimitiveDefinition",
4523 return(status != 0 ? MagickTrue : MagickFalse);
4526MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info,
4529 return(RenderMVGContent(image,draw_info,0,exception));
4563MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4568 property[MagickPathExtent];
4584 assert(image != (
Image *) NULL);
4585 assert(image->signature == MagickCoreSignature);
4586 assert(draw_info != (
const DrawInfo *) NULL);
4587 assert(name != (
const char *) NULL);
4588 if (IsEventLogging() != MagickFalse)
4589 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4590 (void) FormatLocaleString(property,MagickPathExtent,
"%s",name);
4591 path=GetImageArtifact(image,property);
4592 if (path == (
const char *) NULL)
4593 return(MagickFalse);
4594 (void) FormatLocaleString(property,MagickPathExtent,
"%s-geometry",name);
4595 geometry=GetImageArtifact(image,property);
4596 if (geometry == (
const char *) NULL)
4597 return(MagickFalse);
4598 if ((*pattern) != (
Image *) NULL)
4599 *pattern=DestroyImage(*pattern);
4600 image_info=AcquireImageInfo();
4601 image_info->size=AcquireString(geometry);
4602 *pattern=AcquireImage(image_info,exception);
4603 image_info=DestroyImageInfo(image_info);
4604 (void) QueryColorCompliance(
"#00000000",AllCompliance,
4605 &(*pattern)->background_color,exception);
4606 (void) SetImageBackgroundColor(*pattern,exception);
4607 if (draw_info->debug != MagickFalse)
4608 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4609 "begin pattern-path %s %s",name,geometry);
4610 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4611 if (clone_info->fill_pattern != (
Image *) NULL)
4612 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4613 if (clone_info->stroke_pattern != (
Image *) NULL)
4614 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4615 (void) FormatLocaleString(property,MagickPathExtent,
"%s-type",name);
4616 type=GetImageArtifact(image,property);
4617 if (type != (
const char *) NULL)
4618 clone_info->gradient.type=(GradientType) ParseCommandOption(
4619 MagickGradientOptions,MagickFalse,type);
4620 (void) CloneString(&clone_info->primitive,path);
4621 status=RenderMVGContent(*pattern,clone_info,0,exception);
4622 clone_info=DestroyDrawInfo(clone_info);
4623 if (draw_info->debug != MagickFalse)
4624 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4665 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4667 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4668 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4669 return(polygon_info);
4676 *magick_restrict path_info;
4684 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4685 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4686 sizeof(*polygon_info));
4689 (void) ThrowMagickException(exception,GetMagickModule(),
4690 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4693 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4694 path_info=ConvertPrimitiveToPath(primitive_info,exception);
4695 if (path_info == (
PathInfo *) NULL)
4696 return(DestroyPolygonTLS(polygon_info));
4697 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4700 (void) ThrowMagickException(exception,GetMagickModule(),
4701 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4702 return(DestroyPolygonTLS(polygon_info));
4704 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4705 return(polygon_info);
4708static MagickBooleanType ClonePolygonEdgesTLS(
PolygonInfo **polygon_info,
4714 for (i=1; i < (ssize_t) number_threads; i++)
4722 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4723 sizeof(*polygon_info[i]));
4726 (void) ThrowMagickException(exception,GetMagickModule(),
4727 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4728 return(MagickFalse);
4730 polygon_info[i]->number_edges=0;
4731 edge_info=polygon_info[0]->edges;
4732 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4733 polygon_info[0]->number_edges,
sizeof(*edge_info));
4734 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4736 (void) ThrowMagickException(exception,GetMagickModule(),
4737 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4738 return(MagickFalse);
4740 (void) memcpy(polygon_info[i]->edges,edge_info,
4741 polygon_info[0]->number_edges*
sizeof(*edge_info));
4742 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4743 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4744 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4745 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4747 edge_info=polygon_info[0]->edges+j;
4748 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4749 edge_info->number_points,
sizeof(*edge_info));
4750 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4752 (void) ThrowMagickException(exception,GetMagickModule(),
4753 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4754 return(MagickFalse);
4756 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4757 edge_info->number_points*
sizeof(*edge_info->points));
4763static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4765 assert(edge < (ssize_t) polygon_info->number_edges);
4766 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4767 polygon_info->edges[edge].points);
4768 polygon_info->number_edges--;
4769 if (edge < (ssize_t) polygon_info->number_edges)
4770 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4771 (polygon_info->number_edges-(
size_t) edge)*
sizeof(*polygon_info->edges));
4772 return(polygon_info->number_edges);
4775static double GetFillAlpha(
PolygonInfo *polygon_info,
const double mid,
4776 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4777 const ssize_t y,
double *stroke_alpha)
4804 p=polygon_info->edges;
4805 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4807 if ((
double) y <= (p->bounds.y1-mid-0.5))
4809 if ((
double) y > (p->bounds.y2+mid+0.5))
4812 (void) DestroyEdge(polygon_info,j--);
4815 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4816 ((double) x > (p->bounds.x2+mid+0.5)))
4818 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4819 for ( ; i < (ssize_t) p->number_points; i++)
4821 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4823 if ((
double) y > (p->points[i].y+mid+0.5))
4825 if (p->scanline != (
double) y)
4827 p->scanline=(double) y;
4828 p->highwater=(size_t) i;
4834 delta.x=(q+1)->x-q->x;
4835 delta.y=(q+1)->y-q->y;
4836 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4842 delta.x=(double) x-q->x;
4843 delta.y=(double) y-q->y;
4844 distance=delta.x*delta.x+delta.y*delta.y;
4848 alpha=delta.x*delta.x+delta.y*delta.y;
4854 delta.x=(double) x-(q+1)->x;
4855 delta.y=(double) y-(q+1)->y;
4856 distance=delta.x*delta.x+delta.y*delta.y;
4863 alpha=PerceptibleReciprocal(alpha);
4864 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4865 distance=alpha*beta*beta;
4872 if (p->ghostline == MagickFalse)
4875 if ((*stroke_alpha < 1.0) &&
4876 (distance <= ((alpha+0.25)*(alpha+0.25))))
4879 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4884 if (fabs(distance-1.0) >= MagickEpsilon)
4885 beta=sqrt((
double) distance);
4887 if (*stroke_alpha < ((alpha-0.25)*(alpha-0.25)))
4888 *stroke_alpha=(alpha-0.25)*(alpha-0.25);
4892 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_alpha >= 1.0))
4894 if (distance <= 0.0)
4901 if (fabs(beta) < MagickEpsilon)
4904 if (fabs(distance-1.0) >= MagickEpsilon)
4905 beta=sqrt(distance);
4908 if (subpath_alpha < (alpha*alpha))
4909 subpath_alpha=alpha*alpha;
4915 if (fill == MagickFalse)
4917 if (subpath_alpha >= 1.0)
4923 p=polygon_info->edges;
4924 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4926 if ((
double) y <= p->bounds.y1)
4928 if (((
double) y > p->bounds.y2) || ((double) x <= p->bounds.x1))
4930 if ((
double) x > p->bounds.x2)
4932 winding_number+=p->direction != 0 ? 1 : -1;
4935 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4936 for ( ; i < (ssize_t) (p->number_points-1); i++)
4937 if ((
double) y <= p->points[i].y)
4940 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4941 winding_number+=p->direction != 0 ? 1 : -1;
4943 if (fill_rule != NonZeroRule)
4945 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4949 if (MagickAbsoluteValue(winding_number) != 0)
4951 return(subpath_alpha);
4954static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4958 typedef struct _ExtentInfo
4987 **magick_restrict polygon_info;
4999 assert(image != (
Image *) NULL);
5000 assert(image->signature == MagickCoreSignature);
5001 assert(draw_info != (
DrawInfo *) NULL);
5002 assert(draw_info->signature == MagickCoreSignature);
5004 if (IsEventLogging() != MagickFalse)
5005 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
5006 if (primitive_info->coordinates <= 1)
5011 polygon_info=AcquirePolygonTLS(primitive_info,exception);
5013 return(MagickFalse);
5014 if (draw_info->debug != MagickFalse)
5015 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
5016 fill=(primitive_info->method == FillToBorderMethod) ||
5017 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
5018 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5019 bounds=polygon_info[0]->edges[0].bounds;
5020 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
5021 if (IsStringTrue(artifact) != MagickFalse)
5022 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0],exception);
5023 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
5025 p=polygon_info[0]->edges+i;
5026 if (p->bounds.x1 < bounds.x1)
5027 bounds.x1=p->bounds.x1;
5028 if (p->bounds.y1 < bounds.y1)
5029 bounds.y1=p->bounds.y1;
5030 if (p->bounds.x2 > bounds.x2)
5031 bounds.x2=p->bounds.x2;
5032 if (p->bounds.y2 > bounds.y2)
5033 bounds.y2=p->bounds.y2;
5035 bounds.x1-=(mid+1.0);
5036 bounds.y1-=(mid+1.0);
5037 bounds.x2+=(mid+1.0);
5038 bounds.y2+=(mid+1.0);
5039 if ((bounds.x1 >= (
double) image->columns) ||
5040 (bounds.y1 >= (
double) image->rows) ||
5041 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
5043 polygon_info=DestroyPolygonTLS(polygon_info);
5046 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
5047 (
double) image->columns-1.0 : bounds.x1;
5048 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
5049 (
double) image->rows-1.0 : bounds.y1;
5050 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
5051 (
double) image->columns-1.0 : bounds.x2;
5052 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
5053 (
double) image->rows-1.0 : bounds.y2;
5054 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
5055 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5056 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
5057 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5058 number_threads=(size_t) GetMagickNumberThreads(image,image,(
size_t)
5059 (poly_extent.y2-poly_extent.y1+1),1);
5060 status=ClonePolygonEdgesTLS(polygon_info,number_threads,exception);
5061 if (status == MagickFalse)
5063 polygon_info=DestroyPolygonTLS(polygon_info);
5066 image_view=AcquireAuthenticCacheView(image,exception);
5067 if ((primitive_info->coordinates == 1) ||
5068 (polygon_info[0]->number_edges == 0))
5073#if defined(MAGICKCORE_OPENMP_SUPPORT)
5074 #pragma omp parallel for schedule(static) shared(status) \
5075 num_threads((int) number_threads)
5077 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5088 if (status == MagickFalse)
5091 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5093 if (q == (Quantum *) NULL)
5098 GetPixelInfo(image,&pixel);
5099 for ( ; x <= poly_extent.x2; x++)
5101 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5102 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5104 GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&pixel,
5106 SetPixelViaPixelInfo(image,&pixel,q);
5108 q+=GetPixelChannels(image);
5110 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5113 image_view=DestroyCacheView(image_view);
5114 polygon_info=DestroyPolygonTLS(polygon_info);
5115 if (draw_info->debug != MagickFalse)
5116 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5117 " end draw-polygon");
5123#if defined(MAGICKCORE_OPENMP_SUPPORT)
5124 #pragma omp parallel for schedule(static) shared(status) \
5125 num_threads((int) number_threads)
5127 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5130 id = GetOpenMPThreadId();
5138 if (status == MagickFalse)
5140 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5141 (poly_extent.x2-poly_extent.x1+1),1,exception);
5142 if (q == (Quantum *) NULL)
5147 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5160 fill_alpha=GetFillAlpha(polygon_info[
id],mid,fill,draw_info->fill_rule,
5162 if (draw_info->stroke_antialias == MagickFalse)
5164 fill_alpha=fill_alpha >= AntialiasThreshold ? 1.0 : 0.0;
5165 stroke_alpha=stroke_alpha >= AntialiasThreshold ? 1.0 : 0.0;
5167 GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&fill_color,
5169 CompositePixelOver(image,&fill_color,fill_alpha*fill_color.alpha,q,
5170 (
double) GetPixelAlpha(image,q),q);
5171 GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&stroke_color,
5173 CompositePixelOver(image,&stroke_color,stroke_alpha*stroke_color.alpha,q,
5174 (
double) GetPixelAlpha(image,q),q);
5175 q+=GetPixelChannels(image);
5177 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5180 image_view=DestroyCacheView(image_view);
5181 polygon_info=DestroyPolygonTLS(polygon_info);
5182 if (draw_info->debug != MagickFalse)
5183 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5216static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5242 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5243 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5244 switch (primitive_info->primitive)
5246 case AlphaPrimitive:
5248 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5249 "AlphaPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5250 methods[primitive_info->method]);
5253 case ColorPrimitive:
5255 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5256 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5257 methods[primitive_info->method]);
5260 case ImagePrimitive:
5262 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5263 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5266 case PointPrimitive:
5268 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5269 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5270 methods[primitive_info->method]);
5275 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5276 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5283 p=primitive_info[0].point;
5286 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5288 point=primitive_info[i].point;
5289 if (coordinates <= 0)
5291 coordinates=(ssize_t) primitive_info[i].coordinates;
5292 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5293 " begin open (%.20g)",(double) coordinates);
5296 point=primitive_info[i].point;
5297 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5298 (fabs(q.y-point.y) >= MagickEpsilon))
5299 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5300 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5302 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5303 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5306 if (coordinates > 0)
5308 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5309 (fabs(p.y-point.y) >= MagickEpsilon))
5310 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5311 (double) coordinates);
5313 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5314 (
double) coordinates);
5318MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5335 if (draw_info->debug != MagickFalse)
5337 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5338 " begin draw-primitive");
5339 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5340 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5341 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5342 draw_info->affine.tx,draw_info->affine.ty);
5345 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5346 ((IsPixelInfoGray(&draw_info->fill) == MagickFalse) ||
5347 (IsPixelInfoGray(&draw_info->stroke) == MagickFalse)))
5348 status&=(MagickStatusType) SetImageColorspace(image,sRGBColorspace,
5350 if (draw_info->compliance == SVGCompliance)
5352 status&=(MagickStatusType) SetImageMask(image,WritePixelMask,
5353 draw_info->clipping_mask,exception);
5354 status&=(MagickStatusType) SetImageMask(image,CompositePixelMask,
5355 draw_info->composite_mask,exception);
5357 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5358 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5359 image_view=AcquireAuthenticCacheView(image,exception);
5360 switch (primitive_info->primitive)
5362 case AlphaPrimitive:
5364 if ((image->alpha_trait & BlendPixelTrait) == 0)
5365 status&=(MagickStatusType) SetImageAlphaChannel(image,
5366 OpaqueAlphaChannel,exception);
5367 switch (primitive_info->method)
5378 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5379 if (q == (Quantum *) NULL)
5381 GetFillColor(draw_info,x,y,&pixel,exception);
5382 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5383 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5393 status&=(MagickStatusType) GetOneCacheViewVirtualPixelInfo(image_view,
5394 x,y,&target,exception);
5395 GetPixelInfo(image,&pixel);
5396 for (y=0; y < (ssize_t) image->rows; y++)
5401 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5403 if (q == (Quantum *) NULL)
5405 for (x=0; x < (ssize_t) image->columns; x++)
5407 GetPixelInfoPixel(image,q,&pixel);
5408 if (IsFuzzyEquivalencePixelInfo(&pixel,&target) == MagickFalse)
5410 q+=GetPixelChannels(image);
5413 GetFillColor(draw_info,x,y,&pixel,exception);
5414 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5415 q+=GetPixelChannels(image);
5417 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5419 if (status == MagickFalse)
5424 case FloodfillMethod:
5425 case FillToBorderMethod:
5433 status&=(MagickStatusType) GetOneVirtualPixelInfo(image,
5434 TileVirtualPixelMethod,x,y,&target,exception);
5435 if (primitive_info->method == FillToBorderMethod)
5437 target.red=(double) draw_info->border_color.red;
5438 target.green=(double) draw_info->border_color.green;
5439 target.blue=(double) draw_info->border_color.blue;
5441 channel_mask=SetImageChannelMask(image,AlphaChannel);
5442 status&=(MagickStatusType) FloodfillPaintImage(image,draw_info,
5443 &target,x,y,primitive_info->method == FloodfillMethod ?
5444 MagickFalse : MagickTrue,exception);
5445 (void) SetImageChannelMask(image,channel_mask);
5453 for (y=0; y < (ssize_t) image->rows; y++)
5458 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5460 if (q == (Quantum *) NULL)
5462 for (x=0; x < (ssize_t) image->columns; x++)
5464 GetFillColor(draw_info,x,y,&pixel,exception);
5465 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5466 q+=GetPixelChannels(image);
5468 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5470 if (status == MagickFalse)
5478 case ColorPrimitive:
5480 switch (primitive_info->method)
5491 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5492 if (q == (Quantum *) NULL)
5494 GetPixelInfo(image,&pixel);
5495 GetFillColor(draw_info,x,y,&pixel,exception);
5496 SetPixelViaPixelInfo(image,&pixel,q);
5497 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5507 status&=(MagickStatusType) GetOneCacheViewVirtualPixelInfo(image_view,
5508 x,y,&target,exception);
5509 for (y=0; y < (ssize_t) image->rows; y++)
5514 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5516 if (q == (Quantum *) NULL)
5518 for (x=0; x < (ssize_t) image->columns; x++)
5520 GetPixelInfoPixel(image,q,&pixel);
5521 if (IsFuzzyEquivalencePixelInfo(&pixel,&target) == MagickFalse)
5523 q+=GetPixelChannels(image);
5526 GetFillColor(draw_info,x,y,&pixel,exception);
5527 SetPixelViaPixelInfo(image,&pixel,q);
5528 q+=GetPixelChannels(image);
5530 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5532 if (status == MagickFalse)
5537 case FloodfillMethod:
5538 case FillToBorderMethod:
5543 status&=(MagickStatusType) GetOneVirtualPixelInfo(image,
5544 TileVirtualPixelMethod,x,y,&target,exception);
5545 if (primitive_info->method == FillToBorderMethod)
5547 target.red=(double) draw_info->border_color.red;
5548 target.green=(double) draw_info->border_color.green;
5549 target.blue=(double) draw_info->border_color.blue;
5551 status&=(MagickStatusType) FloodfillPaintImage(image,draw_info,
5552 &target,x,y,primitive_info->method == FloodfillMethod ?
5553 MagickFalse : MagickTrue,exception);
5561 GetPixelInfo(image,&pixel);
5562 for (y=0; y < (ssize_t) image->rows; y++)
5567 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5569 if (q == (Quantum *) NULL)
5571 for (x=0; x < (ssize_t) image->columns; x++)
5573 GetFillColor(draw_info,x,y,&pixel,exception);
5574 SetPixelViaPixelInfo(image,&pixel,q);
5575 q+=GetPixelChannels(image);
5577 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5579 if (status == MagickFalse)
5587 case ImagePrimitive:
5593 composite_geometry[MagickPathExtent];
5609 if (primitive_info->text == (
char *) NULL)
5611 clone_info=AcquireImageInfo();
5612 composite_images=(
Image *) NULL;
5613 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5614 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5617 if (*primitive_info->text !=
'\0')
5631 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5633 (void) SetImageInfo(clone_info,1,exception);
5634 magick_info=GetMagickInfo(clone_info->magick,exception);
5635 if ((magick_info != (
const MagickInfo*) NULL) &&
5636 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5638 (void) ThrowMagickException(exception,GetMagickModule(),
5639 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5640 clone_info->filename);
5641 clone_info=DestroyImageInfo(clone_info);
5644 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5646 if (clone_info->size != (
char *) NULL)
5647 clone_info->size=DestroyString(clone_info->size);
5648 if (clone_info->extract != (
char *) NULL)
5649 clone_info->extract=DestroyString(clone_info->extract);
5650 path_status=GetPathAttributes(clone_info->filename,&attributes);
5651 if (path_status != MagickFalse)
5653 if (S_ISCHR(attributes.st_mode) == 0)
5654 composite_images=ReadImage(clone_info,exception);
5656 (
void) ThrowMagickException(exception,GetMagickModule(),
5657 FileOpenError,
"UnableToOpenFile",
"`%s'",
5658 clone_info->filename);
5661 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5662 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5663 (LocaleCompare(clone_info->magick,
"https") != 0))
5664 composite_images=ReadImage(clone_info,exception);
5666 (
void) ThrowMagickException(exception,GetMagickModule(),
5667 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5669 clone_info=DestroyImageInfo(clone_info);
5670 if (composite_images == (
Image *) NULL)
5675 composite_image=RemoveFirstImageFromList(&composite_images);
5676 composite_images=DestroyImageList(composite_images);
5677 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5678 NULL,(
void *) NULL);
5679 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5680 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5681 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5682 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5687 (void) FormatLocaleString(composite_geometry,MagickPathExtent,
5688 "%gx%g!",primitive_info[1].point.x,primitive_info[1].point.y);
5689 composite_image->filter=image->filter;
5690 status&=(MagickStatusType) TransformImage(&composite_image,
5691 (
char *) NULL,composite_geometry,exception);
5693 if (composite_image->alpha_trait == UndefinedPixelTrait)
5694 status&=(MagickStatusType) SetImageAlphaChannel(composite_image,
5695 OpaqueAlphaChannel,exception);
5696 if (draw_info->alpha != OpaqueAlpha)
5697 status&=(MagickStatusType) SetImageAlpha(composite_image,
5698 draw_info->alpha,exception);
5699 SetGeometry(image,&geometry);
5700 image->gravity=draw_info->gravity;
5703 (void) FormatLocaleString(composite_geometry,MagickPathExtent,
5704 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5705 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5706 (void) ParseGravityGeometry(image,composite_geometry,&geometry,exception);
5707 affine=draw_info->affine;
5708 affine.tx=(double) geometry.x;
5709 affine.ty=(double) geometry.y;
5710 composite_image->interpolate=image->interpolate;
5711 if ((draw_info->compose == OverCompositeOp) ||
5712 (draw_info->compose == SrcOverCompositeOp))
5713 status&=(MagickStatusType) DrawAffineImage(image,composite_image,
5716 status&=(MagickStatusType) CompositeImage(image,composite_image,
5717 draw_info->compose,MagickTrue,geometry.x,geometry.y,exception);
5718 composite_image=DestroyImage(composite_image);
5721 case PointPrimitive:
5729 if ((y < 0) || (y >= (ssize_t) image->rows))
5731 if ((x < 0) || (x >= (ssize_t) image->columns))
5733 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5734 if (q == (Quantum *) NULL)
5736 GetFillColor(draw_info,x,y,&fill_color,exception);
5737 CompositePixelOver(image,&fill_color,(
double) fill_color.alpha,q,(
double)
5738 GetPixelAlpha(image,q),q);
5739 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5746 geometry[MagickPathExtent];
5751 if (primitive_info->text == (
char *) NULL)
5753 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5754 (void) CloneString(&clone_info->text,primitive_info->text);
5755 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
5756 primitive_info->point.x,primitive_info->point.y);
5757 (void) CloneString(&clone_info->geometry,geometry);
5758 status&=(MagickStatusType) AnnotateImage(image,clone_info,exception);
5759 clone_info=DestroyDrawInfo(clone_info);
5771 if (IsEventLogging() != MagickFalse)
5772 LogPrimitiveInfo(primitive_info);
5773 scale=ExpandAffine(&draw_info->affine);
5774 if ((draw_info->dash_pattern != (
double *) NULL) &&
5775 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5776 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5777 (draw_info->stroke.alpha != (
double) TransparentAlpha))
5782 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5783 clone_info->stroke_width=0.0;
5784 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5785 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5786 primitive_info,exception);
5787 clone_info=DestroyDrawInfo(clone_info);
5788 if (status != MagickFalse)
5789 status&=(MagickStatusType) DrawDashPolygon(draw_info,primitive_info,
5793 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5795 ((draw_info->stroke.alpha != (
double) TransparentAlpha) ||
5796 (draw_info->stroke_pattern != (
Image *) NULL)))
5808 closed_path=primitive_info[0].closed_subpath;
5809 i=(ssize_t) primitive_info[0].coordinates;
5810 point_x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5811 point_y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5812 if ((point_x < MagickEpsilon) && (point_y < MagickEpsilon))
5813 closed_path=MagickTrue;
5814 if ((((draw_info->linecap == RoundCap) ||
5815 (closed_path != MagickFalse)) &&
5816 (draw_info->linejoin == RoundJoin)) ||
5817 (primitive_info[i].primitive != UndefinedPrimitive))
5819 status&=(MagickStatusType) DrawPolygonPrimitive(image,draw_info,
5820 primitive_info,exception);
5823 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5824 clone_info->stroke_width=0.0;
5825 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5826 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5827 primitive_info,exception);
5828 clone_info=DestroyDrawInfo(clone_info);
5829 if (status != MagickFalse)
5830 status&=(MagickStatusType) DrawStrokePolygon(image,draw_info,
5831 primitive_info,exception);
5834 status&=(MagickStatusType) DrawPolygonPrimitive(image,draw_info,
5835 primitive_info,exception);
5839 image_view=DestroyCacheView(image_view);
5840 if (draw_info->compliance == SVGCompliance)
5842 status&=(MagickStatusType) SetImageMask(image,WritePixelMask,
5843 (
Image *) NULL,exception);
5844 status&=(MagickStatusType) SetImageMask(image,CompositePixelMask,
5845 (
Image *) NULL,exception);
5847 if (draw_info->debug != MagickFalse)
5848 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5849 return(status != 0 ? MagickTrue : MagickFalse);
5882static MagickBooleanType DrawRoundLinecap(
Image *image,
5892 for (i=0; i < 4; i++)
5893 linecap[i]=(*primitive_info);
5894 linecap[0].coordinates=4;
5895 linecap[1].point.x+=2.0*MagickEpsilon;
5896 linecap[2].point.x+=2.0*MagickEpsilon;
5897 linecap[2].point.y+=2.0*MagickEpsilon;
5898 linecap[3].point.y+=2.0*MagickEpsilon;
5899 linecap[4].primitive=UndefinedPrimitive;
5900 return(DrawPolygonPrimitive(image,draw_info,linecap,exception));
5903static MagickBooleanType DrawStrokePolygon(
Image *image,
5926 if (draw_info->debug != MagickFalse)
5927 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5928 " begin draw-stroke-polygon");
5929 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5930 clone_info->fill=draw_info->stroke;
5931 if (clone_info->fill_pattern != (
Image *) NULL)
5932 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5933 if (clone_info->stroke_pattern != (
Image *) NULL)
5934 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5935 MagickTrue,exception);
5936 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5937 clone_info->stroke_width=0.0;
5938 clone_info->fill_rule=NonZeroRule;
5940 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=(ssize_t) p->coordinates)
5942 if (p->coordinates == 1)
5944 stroke_polygon=TraceStrokePolygon(draw_info,p,exception);
5950 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5951 stroke_polygon,exception);
5952 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5955 q=p+p->coordinates-1;
5956 closed_path=p->closed_subpath;
5957 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5959 status&=(MagickStatusType) DrawRoundLinecap(image,draw_info,p,
5961 status&=(MagickStatusType) DrawRoundLinecap(image,draw_info,q,
5965 clone_info=DestroyDrawInfo(clone_info);
5966 if (draw_info->debug != MagickFalse)
5967 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5968 " end draw-stroke-polygon");
5969 return(status != 0 ? MagickTrue : MagickFalse);
5995MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5997 if (IsEventLogging() != MagickFalse)
5998 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
6000 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
6001 affine_matrix->sx=1.0;
6002 affine_matrix->sy=1.0;
6043 assert(draw_info != (
DrawInfo *) NULL);
6044 if (IsEventLogging() != MagickFalse)
6045 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
6046 (void) memset(draw_info,0,
sizeof(*draw_info));
6047 draw_info->image_info=CloneImageInfo(image_info);
6048 GetAffineMatrix(&draw_info->affine);
6049 exception=AcquireExceptionInfo();
6050 (void) QueryColorCompliance(
"#000F",AllCompliance,&draw_info->fill,
6052 (void) QueryColorCompliance(
"#FFF0",AllCompliance,&draw_info->stroke,
6054 draw_info->stroke_antialias=draw_info->image_info->antialias;
6055 draw_info->stroke_width=1.0;
6056 draw_info->fill_rule=EvenOddRule;
6057 draw_info->alpha=OpaqueAlpha;
6058 draw_info->fill_alpha=OpaqueAlpha;
6059 draw_info->stroke_alpha=OpaqueAlpha;
6060 draw_info->linecap=ButtCap;
6061 draw_info->linejoin=MiterJoin;
6062 draw_info->miterlimit=10;
6063 draw_info->decorate=NoDecoration;
6064 draw_info->pointsize=12.0;
6065 draw_info->undercolor.alpha=(MagickRealType) TransparentAlpha;
6066 draw_info->compose=OverCompositeOp;
6067 draw_info->render=MagickTrue;
6068 draw_info->clip_path=MagickFalse;
6069 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
6070 MagickTrue : MagickFalse;
6071 if (draw_info->image_info->font != (
char *) NULL)
6072 draw_info->font=AcquireString(draw_info->image_info->font);
6073 if (draw_info->image_info->density != (
char *) NULL)
6074 draw_info->density=AcquireString(draw_info->image_info->density);
6075 draw_info->text_antialias=draw_info->image_info->antialias;
6076 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
6077 draw_info->pointsize=draw_info->image_info->pointsize;
6078 draw_info->border_color=draw_info->image_info->border_color;
6079 if (draw_info->image_info->server_name != (
char *) NULL)
6080 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
6081 option=GetImageOption(draw_info->image_info,
"direction");
6082 if (option != (
const char *) NULL)
6083 draw_info->direction=(DirectionType) ParseCommandOption(
6084 MagickDirectionOptions,MagickFalse,option);
6086 draw_info->direction=UndefinedDirection;
6087 option=GetImageOption(draw_info->image_info,
"encoding");
6088 if (option != (
const char *) NULL)
6089 (void) CloneString(&draw_info->encoding,option);
6090 option=GetImageOption(draw_info->image_info,
"family");
6091 if (option != (
const char *) NULL)
6092 (void) CloneString(&draw_info->family,option);
6093 option=GetImageOption(draw_info->image_info,
"fill");
6094 if (option != (
const char *) NULL)
6095 (void) QueryColorCompliance(option,AllCompliance,&draw_info->fill,
6097 option=GetImageOption(draw_info->image_info,
"gravity");
6098 if (option != (
const char *) NULL)
6099 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
6100 MagickFalse,option);
6101 option=GetImageOption(draw_info->image_info,
"interline-spacing");
6102 if (option != (
const char *) NULL)
6103 draw_info->interline_spacing=GetDrawValue(option,&next_token);
6104 option=GetImageOption(draw_info->image_info,
"interword-spacing");
6105 if (option != (
const char *) NULL)
6106 draw_info->interword_spacing=GetDrawValue(option,&next_token);
6107 option=GetImageOption(draw_info->image_info,
"kerning");
6108 if (option != (
const char *) NULL)
6109 draw_info->kerning=GetDrawValue(option,&next_token);
6110 option=GetImageOption(draw_info->image_info,
"stroke");
6111 if (option != (
const char *) NULL)
6112 (void) QueryColorCompliance(option,AllCompliance,&draw_info->stroke,
6114 option=GetImageOption(draw_info->image_info,
"strokewidth");
6115 if (option != (
const char *) NULL)
6116 draw_info->stroke_width=GetDrawValue(option,&next_token);
6117 option=GetImageOption(draw_info->image_info,
"style");
6118 if (option != (
const char *) NULL)
6119 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6120 MagickFalse,option);
6121 option=GetImageOption(draw_info->image_info,
"undercolor");
6122 if (option != (
const char *) NULL)
6123 (void) QueryColorCompliance(option,AllCompliance,&draw_info->undercolor,
6125 option=GetImageOption(draw_info->image_info,
"weight");
6126 if (option != (
const char *) NULL)
6131 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6133 weight=(ssize_t) StringToUnsignedLong(option);
6134 draw_info->weight=(size_t) weight;
6136 option=GetImageOption(draw_info->image_info,
"word-break");
6137 if (option != (
const char *) NULL)
6138 draw_info->word_break=(WordBreakType) ParseCommandOption(
6139 MagickWordBreakOptions,MagickFalse,option);
6140 exception=DestroyExceptionInfo(exception);
6141 draw_info->signature=MagickCoreSignature;
6169static inline double Permutate(
const ssize_t n,
const ssize_t k)
6178 for (i=k+1; i <= n; i++)
6180 for (i=1; i <= (n-k); i++)
6208 center.x=0.5*(end.x+start.x);
6209 center.y=0.5*(end.y+start.y);
6210 radius.x=fabs(center.x-start.x);
6211 radius.y=fabs(center.y-start.y);
6212 return(TraceEllipse(mvg_info,center,radius,degrees));
6215static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6217 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6254 offset=mvg_info->offset;
6255 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6256 primitive_info->coordinates=0;
6257 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6258 (fabs(start.y-end.y) < MagickEpsilon))
6259 return(TracePoint(primitive_info,end));
6260 radii.x=fabs(arc.x);
6261 radii.y=fabs(arc.y);
6262 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6263 return(TraceLine(primitive_info,start,end));
6264 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6265 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6266 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6267 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6268 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6270 if (delta < MagickEpsilon)
6271 return(TraceLine(primitive_info,start,end));
6274 radii.x*=sqrt((
double) delta);
6275 radii.y*=sqrt((
double) delta);
6277 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6278 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6279 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6280 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6281 alpha=points[1].x-points[0].x;
6282 beta=points[1].y-points[0].y;
6283 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6284 return(TraceLine(primitive_info,start,end));
6285 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6290 factor=sqrt((
double) factor);
6291 if (sweep == large_arc)
6294 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6295 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6296 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6297 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6298 if ((theta < 0.0) && (sweep != MagickFalse))
6299 theta+=2.0*MagickPI;
6301 if ((theta > 0.0) && (sweep == MagickFalse))
6302 theta-=2.0*MagickPI;
6303 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6304 MagickPI+MagickEpsilon)))));
6307 for (i=0; i < (ssize_t) arc_segments; i++)
6309 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6310 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6311 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6312 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6313 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6314 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6315 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6316 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6317 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6318 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6319 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6320 theta/arc_segments),DegreesToRadians(360.0))));
6321 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6322 theta/arc_segments),DegreesToRadians(360.0))));
6323 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6324 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6325 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6326 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6327 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6328 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6329 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6331 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6333 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6335 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6337 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6339 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6341 if (i == (ssize_t) (arc_segments-1))
6343 status&=(MagickStatusType) TraceBezier(mvg_info,4);
6346 p=(*mvg_info->primitive_info)+mvg_info->offset;
6347 mvg_info->offset+=(ssize_t) p->coordinates;
6348 p+=(ssize_t) p->coordinates;
6351 return(MagickFalse);
6352 mvg_info->offset=offset;
6353 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6354 primitive_info->coordinates=(size_t) (p-primitive_info);
6355 primitive_info->closed_subpath=MagickFalse;
6356 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6358 p->primitive=primitive_info->primitive;
6364static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6365 const size_t number_coordinates)
6394 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6395 quantum=number_coordinates;
6396 for (i=0; i < (ssize_t) number_coordinates; i++)
6398 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6400 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6401 if (alpha > (
double) MAGICK_SSIZE_MAX)
6403 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6404 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6405 return(MagickFalse);
6407 if (alpha > (
double) quantum)
6408 quantum=(
size_t) alpha;
6409 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6410 if (alpha > (
double) MAGICK_SSIZE_MAX)
6412 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6413 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6414 return(MagickFalse);
6416 if (alpha > (
double) quantum)
6417 quantum=(
size_t) alpha;
6420 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6421 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6422 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6423 sizeof(*coefficients));
6424 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6426 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6429 points=(
PointInfo *) RelinquishMagickMemory(points);
6430 if (coefficients != (
double *) NULL)
6431 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6432 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6433 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6434 return(MagickFalse);
6436 control_points=quantum*number_coordinates;
6437 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6439 points=(
PointInfo *) RelinquishMagickMemory(points);
6440 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6441 return(MagickFalse);
6443 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6447 end=primitive_info[number_coordinates-1].point;
6448 for (i=0; i < (ssize_t) number_coordinates; i++)
6449 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6451 for (i=0; i < (ssize_t) control_points; i++)
6456 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6457 for (j=0; j < (ssize_t) number_coordinates; j++)
6459 point.x+=alpha*coefficients[j]*p->point.x;
6460 point.y+=alpha*coefficients[j]*p->point.y;
6461 alpha*=weight/(1.0-weight);
6465 weight+=1.0/control_points;
6471 for (i=0; i < (ssize_t) control_points; i++)
6473 if (TracePoint(p,points[i]) == MagickFalse)
6475 points=(
PointInfo *) RelinquishMagickMemory(points);
6476 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6477 return(MagickFalse);
6479 p+=(ssize_t) p->coordinates;
6481 if (TracePoint(p,end) == MagickFalse)
6483 points=(
PointInfo *) RelinquishMagickMemory(points);
6484 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6485 return(MagickFalse);
6487 p+=(ssize_t) p->coordinates;
6488 primitive_info->coordinates=(size_t) (p-primitive_info);
6489 primitive_info->closed_subpath=MagickFalse;
6490 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6492 p->primitive=primitive_info->primitive;
6495 points=(
PointInfo *) RelinquishMagickMemory(points);
6496 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6500static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6512 alpha=end.x-start.x;
6514 radius=hypot((
double) alpha,(
double) beta);
6515 offset.x=(double) radius;
6516 offset.y=(double) radius;
6519 return(TraceEllipse(mvg_info,start,offset,degrees));
6522static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6548 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6549 primitive_info->coordinates=0;
6550 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6552 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6554 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6555 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6556 angle.x=DegreesToRadians(arc.x);
6560 angle.y=DegreesToRadians(y);
6561 coordinates=ceil((angle.y-angle.x)/step+1.0);
6562 if (CheckPrimitiveExtent(mvg_info,coordinates+1) == MagickFalse)
6563 return(MagickFalse);
6565 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6566 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6568 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6569 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6570 if (i++ >= (ssize_t) coordinates)
6572 if (TracePoint(p,point) == MagickFalse)
6573 return(MagickFalse);
6574 p+=(ssize_t) p->coordinates;
6576 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6577 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6578 if (TracePoint(p,point) == MagickFalse)
6579 return(MagickFalse);
6580 p+=(ssize_t) p->coordinates;
6581 primitive_info->coordinates=(size_t) (p-primitive_info);
6582 primitive_info->closed_subpath=MagickFalse;
6583 x=fabs(primitive_info[0].point.x-
6584 primitive_info[primitive_info->coordinates-1].point.x);
6585 y=fabs(primitive_info[0].point.y-
6586 primitive_info[primitive_info->coordinates-1].point.y);
6587 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6588 primitive_info->closed_subpath=MagickTrue;
6589 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6591 p->primitive=primitive_info->primitive;
6597static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6600 if (TracePoint(primitive_info,start) == MagickFalse)
6601 return(MagickFalse);
6602 if (TracePoint(primitive_info+1,end) == MagickFalse)
6603 return(MagickFalse);
6604 (primitive_info+1)->primitive=primitive_info->primitive;
6605 primitive_info->coordinates=2;
6606 primitive_info->closed_subpath=MagickFalse;
6610static ssize_t TracePath(
MVGInfo *mvg_info,
const char *path,
6615 token[MagickPathExtent] =
"";
6633 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6656 subpath_offset=mvg_info->offset;
6657 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6660 number_coordinates=0;
6662 primitive_type=primitive_info->primitive;
6664 for (p=path; *p !=
'\0'; )
6666 if (status == MagickFalse)
6668 while (isspace((
int) ((
unsigned char) *p)) != 0)
6672 last_attribute=attribute;
6673 attribute=(int) (*p++);
6683 large_arc = MagickFalse,
6684 sweep = MagickFalse;
6694 (void) GetNextToken(p,&p,MagickPathExtent,token);
6696 (void) GetNextToken(p,&p,MagickPathExtent,token);
6697 arc.x=GetDrawValue(token,&next_token);
6698 if (token == next_token)
6699 ThrowPointExpectedException(token,exception);
6700 (void) GetNextToken(p,&p,MagickPathExtent,token);
6702 (void) GetNextToken(p,&p,MagickPathExtent,token);
6703 arc.y=GetDrawValue(token,&next_token);
6704 if (token == next_token)
6705 ThrowPointExpectedException(token,exception);
6706 (void) GetNextToken(p,&p,MagickPathExtent,token);
6708 (void) GetNextToken(p,&p,MagickPathExtent,token);
6709 angle=GetDrawValue(token,&next_token);
6710 if (token == next_token)
6711 ThrowPointExpectedException(token,exception);
6712 (void) GetNextToken(p,&p,MagickPathExtent,token);
6714 (void) GetNextToken(p,&p,MagickPathExtent,token);
6715 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6716 (void) GetNextToken(p,&p,MagickPathExtent,token);
6718 (void) GetNextToken(p,&p,MagickPathExtent,token);
6719 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6721 (void) GetNextToken(p,&p,MagickPathExtent,token);
6722 (void) GetNextToken(p,&p,MagickPathExtent,token);
6724 (void) GetNextToken(p,&p,MagickPathExtent,token);
6725 x=GetDrawValue(token,&next_token);
6726 if (token == next_token)
6727 ThrowPointExpectedException(token,exception);
6728 (void) GetNextToken(p,&p,MagickPathExtent,token);
6730 (void) GetNextToken(p,&p,MagickPathExtent,token);
6731 y=GetDrawValue(token,&next_token);
6732 if (token == next_token)
6733 ThrowPointExpectedException(token,exception);
6734 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6735 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6736 if (TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep) == MagickFalse)
6738 q=(*mvg_info->primitive_info)+mvg_info->offset;
6739 mvg_info->offset+=(ssize_t) q->coordinates;
6740 q+=(ssize_t) q->coordinates;
6742 while (isspace((
int) ((
unsigned char) *p)) != 0)
6746 }
while (IsPoint(p) != MagickFalse);
6758 for (i=1; i < 4; i++)
6760 (void) GetNextToken(p,&p,MagickPathExtent,token);
6762 (void) GetNextToken(p,&p,MagickPathExtent,token);
6763 x=GetDrawValue(token,&next_token);
6764 if (token == next_token)
6765 ThrowPointExpectedException(token,exception);
6766 (void) GetNextToken(p,&p,MagickPathExtent,token);
6768 (void) GetNextToken(p,&p,MagickPathExtent,token);
6769 y=GetDrawValue(token,&next_token);
6770 if (token == next_token)
6771 ThrowPointExpectedException(token,exception);
6772 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6773 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6776 for (i=0; i < 4; i++)
6777 (q+i)->point=points[i];
6778 if (TraceBezier(mvg_info,4) == MagickFalse)
6780 q=(*mvg_info->primitive_info)+mvg_info->offset;
6781 mvg_info->offset+=(ssize_t) q->coordinates;
6782 q+=(ssize_t) q->coordinates;
6784 while (isspace((
int) ((
unsigned char) *p)) != 0)
6788 }
while (IsPoint(p) != MagickFalse);
6796 (void) GetNextToken(p,&p,MagickPathExtent,token);
6798 (void) GetNextToken(p,&p,MagickPathExtent,token);
6799 x=GetDrawValue(token,&next_token);
6800 if (token == next_token)
6801 ThrowPointExpectedException(token,exception);
6802 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6803 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6805 q=(*mvg_info->primitive_info)+mvg_info->offset;
6806 if (TracePoint(q,point) == MagickFalse)
6808 mvg_info->offset+=(ssize_t) q->coordinates;
6809 q+=(ssize_t) q->coordinates;
6810 while (isspace((
int) ((
unsigned char) *p)) != 0)
6814 }
while (IsPoint(p) != MagickFalse);
6825 (void) GetNextToken(p,&p,MagickPathExtent,token);
6827 (void) GetNextToken(p,&p,MagickPathExtent,token);
6828 x=GetDrawValue(token,&next_token);
6829 if (token == next_token)
6830 ThrowPointExpectedException(token,exception);
6831 (void) GetNextToken(p,&p,MagickPathExtent,token);
6833 (void) GetNextToken(p,&p,MagickPathExtent,token);
6834 y=GetDrawValue(token,&next_token);
6835 if (token == next_token)
6836 ThrowPointExpectedException(token,exception);
6837 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6838 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6839 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6841 q=(*mvg_info->primitive_info)+mvg_info->offset;
6842 if (TracePoint(q,point) == MagickFalse)
6844 mvg_info->offset+=(ssize_t) q->coordinates;
6845 q+=(ssize_t) q->coordinates;
6846 while (isspace((
int) ((
unsigned char) *p)) != 0)
6850 }
while (IsPoint(p) != MagickFalse);
6859 if (mvg_info->offset != subpath_offset)
6861 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6862 primitive_info->coordinates=(size_t) (q-primitive_info);
6863 number_coordinates+=primitive_info->coordinates;
6865 subpath_offset=mvg_info->offset;
6870 (void) GetNextToken(p,&p,MagickPathExtent,token);
6872 (void) GetNextToken(p,&p,MagickPathExtent,token);
6873 x=GetDrawValue(token,&next_token);
6874 if (token == next_token)
6875 ThrowPointExpectedException(token,exception);
6876 (void) GetNextToken(p,&p,MagickPathExtent,token);
6878 (void) GetNextToken(p,&p,MagickPathExtent,token);
6879 y=GetDrawValue(token,&next_token);
6880 if (token == next_token)
6881 ThrowPointExpectedException(token,exception);
6882 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6883 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6887 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6889 q=(*mvg_info->primitive_info)+mvg_info->offset;
6890 if (TracePoint(q,point) == MagickFalse)
6892 mvg_info->offset+=(ssize_t) q->coordinates;
6893 q+=(ssize_t) q->coordinates;
6894 while (isspace((
int) ((
unsigned char) *p)) != 0)
6898 }
while (IsPoint(p) != MagickFalse);
6910 for (i=1; i < 3; i++)
6912 (void) GetNextToken(p,&p,MagickPathExtent,token);
6914 (void) GetNextToken(p,&p,MagickPathExtent,token);
6915 x=GetDrawValue(token,&next_token);
6916 if (token == next_token)
6917 ThrowPointExpectedException(token,exception);
6918 (void) GetNextToken(p,&p,MagickPathExtent,token);
6920 (void) GetNextToken(p,&p,MagickPathExtent,token);
6921 y=GetDrawValue(token,&next_token);
6922 if (token == next_token)
6923 ThrowPointExpectedException(token,exception);
6926 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6927 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6930 for (i=0; i < 3; i++)
6931 (q+i)->point=points[i];
6932 if (TraceBezier(mvg_info,3) == MagickFalse)
6934 q=(*mvg_info->primitive_info)+mvg_info->offset;
6935 mvg_info->offset+=(ssize_t) q->coordinates;
6936 q+=(ssize_t) q->coordinates;
6938 while (isspace((
int) ((
unsigned char) *p)) != 0)
6942 }
while (IsPoint(p) != MagickFalse);
6953 points[0]=points[3];
6954 points[1].x=2.0*points[3].x-points[2].x;
6955 points[1].y=2.0*points[3].y-points[2].y;
6956 for (i=2; i < 4; i++)
6958 (void) GetNextToken(p,&p,MagickPathExtent,token);
6960 (void) GetNextToken(p,&p,MagickPathExtent,token);
6961 x=GetDrawValue(token,&next_token);
6962 if (token == next_token)
6963 ThrowPointExpectedException(token,exception);
6964 (void) GetNextToken(p,&p,MagickPathExtent,token);
6966 (void) GetNextToken(p,&p,MagickPathExtent,token);
6967 y=GetDrawValue(token,&next_token);
6968 if (token == next_token)
6969 ThrowPointExpectedException(token,exception);
6972 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6973 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6976 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6981 for (i=0; i < 4; i++)
6982 (q+i)->point=points[i];
6983 if (TraceBezier(mvg_info,4) == MagickFalse)
6985 q=(*mvg_info->primitive_info)+mvg_info->offset;
6986 mvg_info->offset+=(ssize_t) q->coordinates;
6987 q+=(ssize_t) q->coordinates;
6989 last_attribute=attribute;
6990 while (isspace((
int) ((
unsigned char) *p)) != 0)
6994 }
while (IsPoint(p) != MagickFalse);
7005 points[0]=points[2];
7006 points[1].x=2.0*points[2].x-points[1].x;
7007 points[1].y=2.0*points[2].y-points[1].y;
7008 for (i=2; i < 3; i++)
7010 (void) GetNextToken(p,&p,MagickPathExtent,token);
7012 (void) GetNextToken(p,&p,MagickPathExtent,token);
7013 x=GetDrawValue(token,&next_token);
7014 if (token == next_token)
7015 ThrowPointExpectedException(token,exception);
7016 (void) GetNextToken(p,&p,MagickPathExtent,token);
7018 (void) GetNextToken(p,&p,MagickPathExtent,token);
7019 y=GetDrawValue(token,&next_token);
7020 if (token == next_token)
7021 ThrowPointExpectedException(token,exception);
7022 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
7023 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
7026 if (status == MagickFalse)
7028 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
7033 for (i=0; i < 3; i++)
7034 (q+i)->point=points[i];
7035 if (TraceBezier(mvg_info,3) == MagickFalse)
7037 q=(*mvg_info->primitive_info)+mvg_info->offset;
7038 mvg_info->offset+=(ssize_t) q->coordinates;
7039 q+=(ssize_t) q->coordinates;
7041 last_attribute=attribute;
7042 while (isspace((
int) ((
unsigned char) *p)) != 0)
7046 }
while (IsPoint(p) != MagickFalse);
7057 (void) GetNextToken(p,&p,MagickPathExtent,token);
7059 (void) GetNextToken(p,&p,MagickPathExtent,token);
7060 y=GetDrawValue(token,&next_token);
7061 if (token == next_token)
7062 ThrowPointExpectedException(token,exception);
7063 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
7064 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7066 q=(*mvg_info->primitive_info)+mvg_info->offset;
7067 if (TracePoint(q,point) == MagickFalse)
7069 mvg_info->offset+=(ssize_t) q->coordinates;
7070 q+=(ssize_t) q->coordinates;
7071 while (isspace((
int) ((
unsigned char) *p)) != 0)
7075 }
while (IsPoint(p) != MagickFalse);
7085 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7087 q=(*mvg_info->primitive_info)+mvg_info->offset;
7088 if (TracePoint(q,point) == MagickFalse)
7090 mvg_info->offset+=(ssize_t) q->coordinates;
7091 q+=(ssize_t) q->coordinates;
7092 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7093 primitive_info->coordinates=(size_t) (q-primitive_info);
7094 primitive_info->closed_subpath=MagickTrue;
7095 number_coordinates+=primitive_info->coordinates;
7097 subpath_offset=mvg_info->offset;
7103 ThrowPointExpectedException(token,exception);
7108 if (status == MagickFalse)
7110 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7111 primitive_info->coordinates=(size_t) (q-primitive_info);
7112 number_coordinates+=primitive_info->coordinates;
7113 for (i=0; i < (ssize_t) number_coordinates; i++)
7116 q->primitive=primitive_type;
7118 q->method=FillToBorderMethod;
7121 return((ssize_t) number_coordinates);
7124static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7137 if (TracePoint(p,start) == MagickFalse)
7138 return(MagickFalse);
7139 p+=(ssize_t) p->coordinates;
7142 if (TracePoint(p,point) == MagickFalse)
7143 return(MagickFalse);
7144 p+=(ssize_t) p->coordinates;
7145 if (TracePoint(p,end) == MagickFalse)
7146 return(MagickFalse);
7147 p+=(ssize_t) p->coordinates;
7150 if (TracePoint(p,point) == MagickFalse)
7151 return(MagickFalse);
7152 p+=(ssize_t) p->coordinates;
7153 if (TracePoint(p,start) == MagickFalse)
7154 return(MagickFalse);
7155 p+=(ssize_t) p->coordinates;
7156 primitive_info->coordinates=(size_t) (p-primitive_info);
7157 primitive_info->closed_subpath=MagickTrue;
7158 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7160 p->primitive=primitive_info->primitive;
7166static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7186 offset=mvg_info->offset;
7187 segment.x=fabs(end.x-start.x);
7188 segment.y=fabs(end.y-start.y);
7189 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7191 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7194 if (arc.x > (0.5*segment.x))
7195 arc.x=0.5*segment.x;
7196 if (arc.y > (0.5*segment.y))
7197 arc.y=0.5*segment.y;
7198 point.x=start.x+segment.x-arc.x;
7199 point.y=start.y+arc.y;
7202 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7203 return(MagickFalse);
7204 p=(*mvg_info->primitive_info)+mvg_info->offset;
7205 mvg_info->offset+=(ssize_t) p->coordinates;
7206 point.x=start.x+segment.x-arc.x;
7207 point.y=start.y+segment.y-arc.y;
7210 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7211 return(MagickFalse);
7212 p=(*mvg_info->primitive_info)+mvg_info->offset;
7213 mvg_info->offset+=(ssize_t) p->coordinates;
7214 point.x=start.x+arc.x;
7215 point.y=start.y+segment.y-arc.y;
7218 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7219 return(MagickFalse);
7220 p=(*mvg_info->primitive_info)+mvg_info->offset;
7221 mvg_info->offset+=(ssize_t) p->coordinates;
7222 point.x=start.x+arc.x;
7223 point.y=start.y+arc.y;
7226 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7227 return(MagickFalse);
7228 p=(*mvg_info->primitive_info)+mvg_info->offset;
7229 mvg_info->offset+=(ssize_t) p->coordinates;
7230 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7231 return(MagickFalse);
7232 p=(*mvg_info->primitive_info)+mvg_info->offset;
7233 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7234 return(MagickFalse);
7235 p+=(ssize_t) p->coordinates;
7236 mvg_info->offset=offset;
7237 primitive_info=(*mvg_info->primitive_info)+offset;
7238 primitive_info->coordinates=(size_t) (p-primitive_info);
7239 primitive_info->closed_subpath=MagickTrue;
7240 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7242 p->primitive=primitive_info->primitive;
7248static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7249 const size_t number_vertices,
const double offset)
7266 for (i=1; i < (ssize_t) number_vertices; i++)
7268 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7269 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7270 if ((fabs((
double) dx) >= MagickEpsilon) ||
7271 (fabs((
double) dy) >= MagickEpsilon))
7274 if (i == (ssize_t) number_vertices)
7275 i=(ssize_t) number_vertices-1L;
7276 distance=hypot((
double) dx,(
double) dy);
7277 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7278 dx*(distance+offset)/distance);
7279 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7280 dy*(distance+offset)/distance);
7281 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7283 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7284 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7285 if ((fabs((
double) dx) >= MagickEpsilon) ||
7286 (fabs((
double) dy) >= MagickEpsilon))
7289 distance=hypot((
double) dx,(
double) dy);
7290 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7291 dx*(distance+offset)/distance);
7292 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7293 dy*(distance+offset)/distance);
7300#define MaxStrokePad (6*BezierQuantum+360)
7301#define CheckPathExtent(pad_p,pad_q) \
7303 if ((pad_p) > MaxBezierCoordinates) \
7304 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7306 if ((p+(ssize_t) (pad_p)) >= (ssize_t) extent_p) \
7308 if (~extent_p < (pad_p)) \
7309 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7312 extent_p+=(pad_p); \
7313 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7314 MaxStrokePad,sizeof(*stroke_p)); \
7317 if ((pad_q) > MaxBezierCoordinates) \
7318 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7320 if ((q+(ssize_t) (pad_q)) >= (ssize_t) extent_q) \
7322 if (~extent_q < (pad_q)) \
7323 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7326 extent_q+=(pad_q); \
7327 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7328 MaxStrokePad,sizeof(*stroke_q)); \
7331 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7333 if (stroke_p != (PointInfo *) NULL) \
7334 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7335 if (stroke_q != (PointInfo *) NULL) \
7336 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7337 polygon_primitive=(PrimitiveInfo *) \
7338 RelinquishMagickMemory(polygon_primitive); \
7339 (void) ThrowMagickException(exception,GetMagickModule(), \
7340 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7341 return((PrimitiveInfo *) NULL); \
7345 typedef struct _StrokeSegment
7391 inverse_slope = {0.0, 0.0},
7398 number_vertices=primitive_info->coordinates;
7399 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7400 number_vertices+2UL,
sizeof(*polygon_primitive));
7403 (void) ThrowMagickException(exception,GetMagickModule(),
7404 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7407 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7408 sizeof(*polygon_primitive));
7409 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7410 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7411 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7412 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7413 if (((draw_info->linejoin == RoundJoin) ||
7414 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7416 polygon_primitive[number_vertices]=primitive_info[1];
7419 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7425 for (n=1; n < (ssize_t) number_vertices; n++)
7427 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7428 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7429 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7432 if (n == (ssize_t) number_vertices)
7434 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7440 sizeof(*stroke_polygon));
7441 stroke_polygon[0]=polygon_primitive[0];
7442 stroke_polygon[0].coordinates=0;
7445 return(stroke_polygon);
7447 n=(ssize_t) number_vertices-1L;
7449 extent_p=2*number_vertices;
7450 extent_q=2*number_vertices;
7451 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7453 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7458 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7460 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7462 RelinquishMagickMemory(polygon_primitive);
7463 (void) ThrowMagickException(exception,GetMagickModule(),
7464 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7468 inverse_slope.p=0.0;
7469 if (fabs(dx.p) < MagickEpsilon)
7472 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7474 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7477 if (fabs(dy.p) < MagickEpsilon)
7480 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7482 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7487 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7489 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7490 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7491 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7492 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7493 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7494 offset.y=(double) (offset.x*inverse_slope.p);
7495 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7497 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7498 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7499 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7500 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7501 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7502 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7503 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7504 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7508 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7509 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7510 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7511 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7512 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7513 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7514 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7515 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7522 stroke_q[p++]=box_q[0];
7523 stroke_p[q++]=box_p[0];
7524 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7529 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7530 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7531 dot_product=dx.q*dx.q+dy.q*dy.q;
7532 if (dot_product < 0.25)
7535 inverse_slope.q=0.0;
7536 if (fabs(dx.q) < MagickEpsilon)
7539 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7541 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7544 if (fabs(dy.q) < MagickEpsilon)
7547 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7549 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7554 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7556 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7557 offset.y=(double) (offset.x*inverse_slope.q);
7558 dot_product=dy.q*offset.x-dx.q*offset.y;
7559 if (dot_product > 0.0)
7561 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7562 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7563 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7564 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7565 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7566 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7567 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7568 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7572 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7573 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7574 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7575 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7576 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7577 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7578 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7579 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7581 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7588 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7589 box_p[3].y)/(slope.p-slope.q));
7590 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7591 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7592 box_q[3].y)/(slope.p-slope.q));
7593 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7595 DisableMSCWarning(4127)
7596 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7598 dot_product=dx.q*dy.p-dx.p*dy.q;
7599 if (dot_product <= 0.0)
7600 switch (draw_info->linejoin)
7604 stroke_q[q++]=box_q[1];
7605 stroke_q[q++]=box_q[2];
7606 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7607 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7608 if (dot_product <= miterlimit)
7609 stroke_p[p++]=box_p[4];
7612 stroke_p[p++]=box_p[1];
7613 stroke_p[p++]=box_p[2];
7619 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7620 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7621 if (dot_product <= miterlimit)
7623 stroke_q[q++]=box_q[4];
7624 stroke_p[p++]=box_p[4];
7628 stroke_q[q++]=box_q[1];
7629 stroke_q[q++]=box_q[2];
7630 stroke_p[p++]=box_p[1];
7631 stroke_p[p++]=box_p[2];
7637 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7638 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7639 if (dot_product <= miterlimit)
7640 stroke_p[p++]=box_p[4];
7643 stroke_p[p++]=box_p[1];
7644 stroke_p[p++]=box_p[2];
7646 center=polygon_primitive[n].point;
7647 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7648 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7649 if (theta.q < theta.p)
7650 theta.q+=2.0*MagickPI;
7651 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7652 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7653 DisableMSCWarning(4127)
7654 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7656 stroke_q[q].x=box_q[1].x;
7657 stroke_q[q].y=box_q[1].y;
7659 for (j=1; j < (ssize_t) arc_segments; j++)
7661 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7662 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7663 (theta.p+delta_theta),DegreesToRadians(360.0))));
7664 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7665 (theta.p+delta_theta),DegreesToRadians(360.0))));
7668 stroke_q[q++]=box_q[2];
7675 switch (draw_info->linejoin)
7679 stroke_p[p++]=box_p[1];
7680 stroke_p[p++]=box_p[2];
7681 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7682 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7683 if (dot_product <= miterlimit)
7684 stroke_q[q++]=box_q[4];
7687 stroke_q[q++]=box_q[1];
7688 stroke_q[q++]=box_q[2];
7694 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7695 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7696 if (dot_product <= miterlimit)
7698 stroke_q[q++]=box_q[4];
7699 stroke_p[p++]=box_p[4];
7703 stroke_q[q++]=box_q[1];
7704 stroke_q[q++]=box_q[2];
7705 stroke_p[p++]=box_p[1];
7706 stroke_p[p++]=box_p[2];
7712 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7713 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7714 if (dot_product <= miterlimit)
7715 stroke_q[q++]=box_q[4];
7718 stroke_q[q++]=box_q[1];
7719 stroke_q[q++]=box_q[2];
7721 center=polygon_primitive[n].point;
7722 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7723 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7724 if (theta.p < theta.q)
7725 theta.p+=2.0*MagickPI;
7726 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7727 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7728 DisableMSCWarning(4127)
7729 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7731 stroke_p[p++]=box_p[1];
7732 for (j=1; j < (ssize_t) arc_segments; j++)
7734 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7735 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7736 (theta.p+delta_theta),DegreesToRadians(360.0))));
7737 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7738 (theta.p+delta_theta),DegreesToRadians(360.0))));
7741 stroke_p[p++]=box_p[2];
7748 inverse_slope.p=inverse_slope.q;
7757 stroke_p[p++]=box_p[1];
7758 stroke_q[q++]=box_q[1];
7762 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7763 (p+q+2L*closed_path+2L),
sizeof(*stroke_polygon));
7766 (void) ThrowMagickException(exception,GetMagickModule(),
7767 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7768 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7769 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7772 return(stroke_polygon);
7774 for (i=0; i < (ssize_t) p; i++)
7776 stroke_polygon[i]=polygon_primitive[0];
7777 stroke_polygon[i].point=stroke_p[i];
7779 if (closed_path != MagickFalse)
7781 stroke_polygon[i]=polygon_primitive[0];
7782 stroke_polygon[i].point=stroke_polygon[0].point;
7785 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7787 stroke_polygon[i]=polygon_primitive[0];
7788 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7790 if (closed_path != MagickFalse)
7792 stroke_polygon[i]=polygon_primitive[0];
7793 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7796 stroke_polygon[i]=polygon_primitive[0];
7797 stroke_polygon[i].point=stroke_polygon[0].point;
7799 stroke_polygon[i].primitive=UndefinedPrimitive;
7800 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7801 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7802 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7803 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7804 return(stroke_polygon);