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,(size_t) (bounding_box.height-bounding_box.y),1)
2060 for (y=bounding_box.y; y < (ssize_t) bounding_box.height; y++)
2078 if (status == MagickFalse)
2080 q=GetCacheViewAuthenticPixels(image_view,bounding_box.x,y,(
size_t)
2081 (bounding_box.width-bounding_box.x),1,exception);
2082 if (q == (Quantum *) NULL)
2089 offset=GetStopColorOffset(gradient,0,y);
2090 if (gradient->type != RadialGradient)
2091 offset*=PerceptibleReciprocal(length);
2092 for (x=bounding_box.x; x < (ssize_t) bounding_box.width; x++)
2094 GetPixelInfoPixel(image,q,&pixel);
2095 switch (gradient->spread)
2097 case UndefinedSpread:
2100 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2101 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2103 offset=GetStopColorOffset(gradient,x,y);
2104 if (gradient->type != RadialGradient)
2105 offset*=PerceptibleReciprocal(length);
2107 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2108 if (offset < gradient->stops[i].offset)
2110 if ((offset < 0.0) || (i == 0))
2111 composite=gradient->stops[0].color;
2113 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2114 composite=gradient->stops[gradient->number_stops-1].color;
2119 alpha=(offset-gradient->stops[i].offset)/
2120 (gradient->stops[j].offset-gradient->stops[i].offset);
2121 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2122 &gradient->stops[j].color,alpha,&composite);
2128 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2129 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2131 offset=GetStopColorOffset(gradient,x,y);
2132 if (gradient->type != RadialGradient)
2133 offset*=PerceptibleReciprocal(length);
2137 if ((ssize_t) fmod(offset,2.0) == 0)
2138 offset=fmod(offset,1.0);
2140 offset=1.0-fmod(offset,1.0);
2141 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2142 if (offset < gradient->stops[i].offset)
2145 composite=gradient->stops[0].color;
2147 if (i == (ssize_t) gradient->number_stops)
2148 composite=gradient->stops[gradient->number_stops-1].color;
2153 alpha=(offset-gradient->stops[i].offset)/
2154 (gradient->stops[j].offset-gradient->stops[i].offset);
2155 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2156 &gradient->stops[j].color,alpha,&composite);
2168 antialias=MagickFalse;
2170 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2171 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2173 offset=GetStopColorOffset(gradient,x,y);
2174 if (gradient->type == LinearGradient)
2176 repeat=fmod(offset,length);
2178 repeat=length-fmod(-repeat,length);
2180 repeat=fmod(offset,length);
2181 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2182 MagickTrue : MagickFalse;
2183 offset=PerceptibleReciprocal(length)*repeat;
2187 repeat=fmod(offset,gradient->radius);
2189 repeat=gradient->radius-fmod(-repeat,gradient->radius);
2191 repeat=fmod(offset,gradient->radius);
2192 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2194 offset=repeat*PerceptibleReciprocal(gradient->radius);
2197 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2198 if (offset < gradient->stops[i].offset)
2201 composite=gradient->stops[0].color;
2203 if (i == (ssize_t) gradient->number_stops)
2204 composite=gradient->stops[gradient->number_stops-1].color;
2209 alpha=(offset-gradient->stops[i].offset)/
2210 (gradient->stops[j].offset-gradient->stops[i].offset);
2211 if (antialias != MagickFalse)
2213 if (gradient->type == LinearGradient)
2214 alpha=length-repeat;
2216 alpha=gradient->radius-repeat;
2218 j=(ssize_t) gradient->number_stops-1L;
2220 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2221 &gradient->stops[j].color,alpha,&composite);
2226 CompositePixelInfoOver(&composite,composite.alpha,&pixel,pixel.alpha,
2228 SetPixelViaPixelInfo(image,&pixel,q);
2229 q+=GetPixelChannels(image);
2231 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2234 image_view=DestroyCacheView(image_view);
2270static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2274 **text = (
char **) NULL;
2288 quantum=
sizeof(**mvg_info->primitive_info);
2289 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*(double) quantum;
2290 if (extent <= (
double) *mvg_info->extent)
2292 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2293 return(MagickFalse);
2294 if (mvg_info->offset > 0)
2296 text=(
char **) AcquireQuantumMemory((
size_t) mvg_info->offset,
2298 if (text == (
char **) NULL)
2299 return(MagickFalse);
2300 for (i=0; i < mvg_info->offset; i++)
2301 text[i]=(*mvg_info->primitive_info)[i].text;
2303 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2304 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2307 if (text != (
char **) NULL)
2308 text=(
char **) RelinquishMagickMemory(text);
2309 *mvg_info->extent=(size_t) extent;
2310 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2312 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2313 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2320 if (text != (
char **) NULL)
2322 for (i=0; i < mvg_info->offset; i++)
2323 if (text[i] != (
char *) NULL)
2324 text[i]=DestroyString(text[i]);
2325 text=(
char **) RelinquishMagickMemory(text);
2327 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2328 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2329 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2330 (PrimitiveExtentPad+1)*quantum);
2331 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2333 *mvg_info->extent=1;
2335 return(MagickFalse);
2338static inline double GetDrawValue(
const char *magick_restrict
string,
2339 char **magick_restrict sentinel)
2342 **magick_restrict q;
2348 value=InterpretLocaleValue(
string,q);
2353static int MVGMacroCompare(
const void *target,
const void *source)
2359 p=(
const char *) target;
2360 q=(
const char *) source;
2361 return(strcmp(p,q));
2382 if (primitive == (
const char *) NULL)
2384 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2385 RelinquishMagickMemory);
2386 macro=AcquireString(primitive);
2387 token=AcquireString(primitive);
2388 extent=strlen(token)+MagickPathExtent;
2389 for (q=primitive; *q !=
'\0'; )
2391 if (GetNextToken(q,&q,extent,token) < 1)
2395 if (LocaleCompare(
"push",token) == 0)
2401 (void) GetNextToken(q,&q,extent,token);
2405 name[MagickPathExtent];
2416 (void) GetNextToken(q,&q,extent,token);
2419 (void) CopyMagickString(name,token,MagickPathExtent);
2421 for (p=q; *p !=
'\0'; )
2423 if (GetNextToken(p,&p,extent,token) < 1)
2427 if (LocaleCompare(token,
"pop") == 0)
2429 end=p-strlen(token)-1;
2432 if (LocaleCompare(token,
"push") == 0)
2434 if ((n == 0) && (end > start))
2439 (void) GetNextToken(p,&p,extent,token);
2440 (void) CopyMagickString(macro,start,(
size_t) (end-start));
2441 (void) AddValueToSplayTree(macros,ConstantString(name),
2442 ConstantString(macro));
2449 token=DestroyString(token);
2450 macro=DestroyString(macro);
2454static inline MagickBooleanType IsPoint(
const char *point)
2462 value=GetDrawValue(point,&p);
2463 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2467static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2470 primitive_info->coordinates=1;
2471 primitive_info->closed_subpath=MagickFalse;
2472 primitive_info->point=point;
2476static MagickBooleanType RenderMVGContent(
Image *image,
2479#define RenderImageTag "Render/Image"
2486 keyword[MagickPathExtent],
2487 geometry[MagickPathExtent],
2489 pattern[MagickPathExtent],
2552 assert(image != (
Image *) NULL);
2553 assert(image->signature == MagickCoreSignature);
2554 assert(draw_info != (
DrawInfo *) NULL);
2555 assert(draw_info->signature == MagickCoreSignature);
2556 if (IsEventLogging() != MagickFalse)
2557 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2558 if (depth > MagickMaxRecursionDepth)
2559 ThrowBinaryException(DrawError,
"VectorGraphicsNestedTooDeeply",
2561 if ((draw_info->primitive == (
char *) NULL) ||
2562 (*draw_info->primitive ==
'\0'))
2563 return(MagickFalse);
2564 if (draw_info->debug != MagickFalse)
2565 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2566 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2567 return(MagickFalse);
2568 if ((image->alpha_trait & BlendPixelTrait) == 0)
2570 status=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
2571 if (status == MagickFalse)
2572 return(MagickFalse);
2574 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2575 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2576 primitive=FileToString(draw_info->primitive,~0UL,exception);
2578 primitive=AcquireString(draw_info->primitive);
2579 if (primitive == (
char *) NULL)
2580 return(MagickFalse);
2581 primitive_extent=(double) strlen(primitive);
2582 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2589 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2590 if (graphic_context == (
DrawInfo **) NULL)
2592 primitive=DestroyString(primitive);
2593 ThrowBinaryException(ResourceLimitError,
"MemoryAllocationFailed",
2596 number_points=(size_t) PrimitiveExtentPad;
2597 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2598 (number_points+1),
sizeof(*primitive_info));
2601 primitive=DestroyString(primitive);
2602 for ( ; n >= 0; n--)
2603 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2604 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2605 ThrowBinaryException(ResourceLimitError,
"MemoryAllocationFailed",
2608 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2609 sizeof(*primitive_info));
2610 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2611 mvg_info.primitive_info=(&primitive_info);
2612 mvg_info.extent=(&number_points);
2613 mvg_info.exception=exception;
2614 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2615 graphic_context[n]->viewbox=image->page;
2616 if ((image->page.width == 0) || (image->page.height == 0))
2618 graphic_context[n]->viewbox.width=image->columns;
2619 graphic_context[n]->viewbox.height=image->rows;
2621 token=AcquireString(primitive);
2622 extent=strlen(token)+MagickPathExtent;
2626 macros=GetMVGMacros(primitive);
2628 for (q=primitive; *q !=
'\0'; )
2633 if (GetNextToken(q,&q,MagickPathExtent,keyword) < 1)
2635 if (*keyword ==
'\0')
2637 if (*keyword ==
'#')
2642 while ((*q !=
'\n') && (*q !=
'\0'))
2646 p=q-strlen(keyword)-1;
2647 primitive_type=UndefinedPrimitive;
2648 current=graphic_context[n]->affine;
2649 GetAffineMatrix(&affine);
2658 if (LocaleCompare(
"affine",keyword) == 0)
2660 (void) GetNextToken(q,&q,extent,token);
2661 affine.sx=GetDrawValue(token,&next_token);
2662 if (token == next_token)
2663 ThrowPointExpectedException(token,exception);
2664 (void) GetNextToken(q,&q,extent,token);
2666 (void) GetNextToken(q,&q,extent,token);
2667 affine.rx=GetDrawValue(token,&next_token);
2668 if (token == next_token)
2669 ThrowPointExpectedException(token,exception);
2670 (void) GetNextToken(q,&q,extent,token);
2672 (void) GetNextToken(q,&q,extent,token);
2673 affine.ry=GetDrawValue(token,&next_token);
2674 if (token == next_token)
2675 ThrowPointExpectedException(token,exception);
2676 (void) GetNextToken(q,&q,extent,token);
2678 (void) GetNextToken(q,&q,extent,token);
2679 affine.sy=GetDrawValue(token,&next_token);
2680 if (token == next_token)
2681 ThrowPointExpectedException(token,exception);
2682 (void) GetNextToken(q,&q,extent,token);
2684 (void) GetNextToken(q,&q,extent,token);
2685 affine.tx=GetDrawValue(token,&next_token);
2686 if (token == next_token)
2687 ThrowPointExpectedException(token,exception);
2688 (void) GetNextToken(q,&q,extent,token);
2690 (void) GetNextToken(q,&q,extent,token);
2691 affine.ty=GetDrawValue(token,&next_token);
2692 if (token == next_token)
2693 ThrowPointExpectedException(token,exception);
2696 if (LocaleCompare(
"alpha",keyword) == 0)
2698 primitive_type=AlphaPrimitive;
2701 if (LocaleCompare(
"arc",keyword) == 0)
2703 primitive_type=ArcPrimitive;
2712 if (LocaleCompare(
"bezier",keyword) == 0)
2714 primitive_type=BezierPrimitive;
2717 if (LocaleCompare(
"border-color",keyword) == 0)
2719 (void) GetNextToken(q,&q,extent,token);
2720 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
2721 &graphic_context[n]->border_color,exception);
2730 if (LocaleCompare(
"class",keyword) == 0)
2735 (void) GetNextToken(q,&q,extent,token);
2736 if ((*token ==
'\0') || (*token ==
';'))
2744 for (i=0; i < n; i++)
2745 if (LocaleCompare(token,graphic_context[i]->
id) == 0)
2749 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2750 if ((graphic_context[n]->render != MagickFalse) &&
2751 (mvg_class != (
const char *) NULL) && (p > primitive))
2762 offset=(ssize_t) (p-primitive);
2763 elements=AcquireString(primitive);
2764 elements[offset]=
'\0';
2765 (void) ConcatenateString(&elements,mvg_class);
2766 (void) ConcatenateString(&elements,
"\n");
2767 (void) ConcatenateString(&elements,q);
2768 primitive=DestroyString(primitive);
2774 if (LocaleCompare(
"clip-path",keyword) == 0)
2782 (void) GetNextToken(q,&q,extent,token);
2788 (void) CloneString(&graphic_context[n]->clip_mask,token);
2789 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2790 if (clip_path != (
const char *) NULL)
2792 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2793 graphic_context[n]->clipping_mask=
2794 DestroyImage(graphic_context[n]->clipping_mask);
2795 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2796 graphic_context[n],token,clip_path,exception);
2797 if (graphic_context[n]->compliance != SVGCompliance)
2799 clip_path=(
const char *) GetValueFromSplayTree(macros,
2800 graphic_context[n]->clip_mask);
2801 if (clip_path != (
const char *) NULL)
2802 (
void) SetImageArtifact(image,
2803 graphic_context[n]->clip_mask,clip_path);
2804 status&=(MagickStatusType) DrawClipPath(image,
2805 graphic_context[n],graphic_context[n]->clip_mask,
2811 if (LocaleCompare(
"clip-rule",keyword) == 0)
2816 (void) GetNextToken(q,&q,extent,token);
2817 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2819 if (fill_rule == -1)
2824 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2827 if (LocaleCompare(
"clip-units",keyword) == 0)
2832 (void) GetNextToken(q,&q,extent,token);
2833 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2835 if (clip_units == -1)
2840 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2841 if (clip_units == ObjectBoundingBox)
2843 GetAffineMatrix(¤t);
2844 affine.sx=draw_info->bounds.x2;
2845 affine.sy=draw_info->bounds.y2;
2846 affine.tx=draw_info->bounds.x1;
2847 affine.ty=draw_info->bounds.y1;
2852 if (LocaleCompare(
"circle",keyword) == 0)
2854 primitive_type=CirclePrimitive;
2857 if (LocaleCompare(
"color",keyword) == 0)
2859 primitive_type=ColorPrimitive;
2862 if (LocaleCompare(
"compliance",keyword) == 0)
2868 (void) GetNextToken(q,&q,extent,token);
2869 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2870 MagickComplianceOptions,MagickFalse,token);
2873 if (LocaleCompare(
"currentColor",keyword) == 0)
2875 (void) GetNextToken(q,&q,extent,token);
2884 if (LocaleCompare(
"decorate",keyword) == 0)
2889 (void) GetNextToken(q,&q,extent,token);
2890 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2897 graphic_context[n]->decorate=(DecorationType) decorate;
2900 if (LocaleCompare(
"density",keyword) == 0)
2902 (void) GetNextToken(q,&q,extent,token);
2903 (void) CloneString(&graphic_context[n]->density,token);
2906 if (LocaleCompare(
"direction",keyword) == 0)
2911 (void) GetNextToken(q,&q,extent,token);
2912 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2914 if (direction == -1)
2917 graphic_context[n]->direction=(DirectionType) direction;
2926 if (LocaleCompare(
"ellipse",keyword) == 0)
2928 primitive_type=EllipsePrimitive;
2931 if (LocaleCompare(
"encoding",keyword) == 0)
2933 (void) GetNextToken(q,&q,extent,token);
2934 (void) CloneString(&graphic_context[n]->encoding,token);
2943 if (LocaleCompare(
"fill",keyword) == 0)
2948 (void) GetNextToken(q,&q,extent,token);
2949 if (graphic_context[n]->clip_path != MagickFalse)
2951 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2952 if (mvg_class != (
const char *) NULL)
2954 (void) DrawPatternPath(image,draw_info,mvg_class,
2955 &graphic_context[n]->fill_pattern,exception);
2958 (void) FormatLocaleString(pattern,MagickPathExtent,
"%s",token);
2959 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2961 (void) DrawPatternPath(image,draw_info,token,
2962 &graphic_context[n]->fill_pattern,exception);
2965 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
2966 &graphic_context[n]->fill,exception);
2967 if (graphic_context[n]->fill_alpha != (
double) OpaqueAlpha)
2968 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
2971 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2976 (void) GetNextToken(q,&q,extent,token);
2977 if (graphic_context[n]->clip_path != MagickFalse)
2979 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2980 opacity=MagickMin(MagickMax(factor*
2981 GetDrawValue(token,&next_token),0.0),1.0);
2982 if (token == next_token)
2983 ThrowPointExpectedException(token,exception);
2984 if (graphic_context[n]->compliance == SVGCompliance)
2985 graphic_context[n]->fill_alpha*=opacity;
2987 graphic_context[n]->fill_alpha=(double) QuantumRange*opacity;
2988 if (graphic_context[n]->fill.alpha != (
double) TransparentAlpha)
2989 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
2991 graphic_context[n]->fill.alpha=(MagickRealType)
2992 ClampToQuantum((
double) QuantumRange*opacity);
2993 graphic_context[n]->fill.alpha_trait=BlendPixelTrait;
2996 if (LocaleCompare(
"fill-rule",keyword) == 0)
3001 (void) GetNextToken(q,&q,extent,token);
3002 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
3004 if (fill_rule == -1)
3009 graphic_context[n]->fill_rule=(FillRule) fill_rule;
3012 if (LocaleCompare(
"font",keyword) == 0)
3014 (void) GetNextToken(q,&q,extent,token);
3015 (void) CloneString(&graphic_context[n]->font,token);
3016 if (LocaleCompare(
"none",token) == 0)
3017 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
3018 graphic_context[n]->font);
3021 if (LocaleCompare(
"font-family",keyword) == 0)
3023 (void) GetNextToken(q,&q,extent,token);
3024 (void) CloneString(&graphic_context[n]->family,token);
3027 if (LocaleCompare(
"font-size",keyword) == 0)
3029 (void) GetNextToken(q,&q,extent,token);
3030 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3031 if (token == next_token)
3032 ThrowPointExpectedException(token,exception);
3035 if (LocaleCompare(
"font-stretch",keyword) == 0)
3040 (void) GetNextToken(q,&q,extent,token);
3041 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3047 graphic_context[n]->stretch=(StretchType) stretch;
3050 if (LocaleCompare(
"font-style",keyword) == 0)
3055 (void) GetNextToken(q,&q,extent,token);
3056 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3062 graphic_context[n]->style=(StyleType) style;
3065 if (LocaleCompare(
"font-weight",keyword) == 0)
3070 (void) GetNextToken(q,&q,extent,token);
3071 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3073 weight=(ssize_t) StringToUnsignedLong(token);
3074 graphic_context[n]->weight=(size_t) weight;
3083 if (LocaleCompare(
"gradient-units",keyword) == 0)
3085 (void) GetNextToken(q,&q,extent,token);
3088 if (LocaleCompare(
"gravity",keyword) == 0)
3093 (void) GetNextToken(q,&q,extent,token);
3094 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3100 graphic_context[n]->gravity=(GravityType) gravity;
3109 if (LocaleCompare(
"image",keyword) == 0)
3114 primitive_type=ImagePrimitive;
3115 (void) GetNextToken(q,&q,extent,token);
3116 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3122 graphic_context[n]->compose=(CompositeOperator) compose;
3125 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3127 (void) GetNextToken(q,&q,extent,token);
3128 graphic_context[n]->interline_spacing=GetDrawValue(token,
3130 if (token == next_token)
3131 ThrowPointExpectedException(token,exception);
3134 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3136 (void) GetNextToken(q,&q,extent,token);
3137 graphic_context[n]->interword_spacing=GetDrawValue(token,
3139 if (token == next_token)
3140 ThrowPointExpectedException(token,exception);
3149 if (LocaleCompare(
"kerning",keyword) == 0)
3151 (void) GetNextToken(q,&q,extent,token);
3152 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3153 if (token == next_token)
3154 ThrowPointExpectedException(token,exception);
3163 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3165 (void) GetNextToken(q,&q,extent,token);
3166 if (IsPoint(token) == MagickFalse)
3168 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3169 clone_info->text=AcquireString(
" ");
3170 status&=(MagickStatusType) GetTypeMetrics(image,clone_info,&metrics,
3172 graphic_context[n]->kerning=metrics.width*
3173 GetDrawValue(token,&next_token);
3174 clone_info=DestroyDrawInfo(clone_info);
3175 if (token == next_token)
3176 ThrowPointExpectedException(token,exception);
3179 if (LocaleCompare(
"line",keyword) == 0)
3181 primitive_type=LinePrimitive;
3190 if (LocaleCompare(
"mask",keyword) == 0)
3198 (void) GetNextToken(q,&q,extent,token);
3199 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3200 if (mask_path != (
const char *) NULL)
3202 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3203 graphic_context[n]->composite_mask=
3204 DestroyImage(graphic_context[n]->composite_mask);
3205 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3206 graphic_context[n],token,mask_path,exception);
3207 if (graphic_context[n]->compliance != SVGCompliance)
3208 status=SetImageMask(image,CompositePixelMask,
3209 graphic_context[n]->composite_mask,exception);
3219 if (LocaleCompare(
"offset",keyword) == 0)
3221 (void) GetNextToken(q,&q,extent,token);
3224 if (LocaleCompare(
"opacity",keyword) == 0)
3229 (void) GetNextToken(q,&q,extent,token);
3230 if (graphic_context[n]->clip_path != MagickFalse)
3232 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3233 opacity=MagickMin(MagickMax(factor*
3234 GetDrawValue(token,&next_token),0.0),1.0);
3235 if (token == next_token)
3236 ThrowPointExpectedException(token,exception);
3237 if (graphic_context[n]->compliance == SVGCompliance)
3239 graphic_context[n]->fill_alpha*=opacity;
3240 graphic_context[n]->stroke_alpha*=opacity;
3244 graphic_context[n]->fill_alpha=(double) QuantumRange*opacity;
3245 graphic_context[n]->stroke_alpha=(double) QuantumRange*opacity;
3255 if (LocaleCompare(
"path",keyword) == 0)
3257 primitive_type=PathPrimitive;
3260 if (LocaleCompare(
"point",keyword) == 0)
3262 primitive_type=PointPrimitive;
3265 if (LocaleCompare(
"polyline",keyword) == 0)
3267 primitive_type=PolylinePrimitive;
3270 if (LocaleCompare(
"polygon",keyword) == 0)
3272 primitive_type=PolygonPrimitive;
3275 if (LocaleCompare(
"pop",keyword) == 0)
3277 if (GetNextToken(q,&q,extent,token) < 1)
3279 if (LocaleCompare(
"class",token) == 0)
3281 if (LocaleCompare(
"clip-path",token) == 0)
3283 if (LocaleCompare(
"defs",token) == 0)
3286 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3290 if (LocaleCompare(
"gradient",token) == 0)
3292 if (LocaleCompare(
"graphic-context",token) == 0)
3296 (void) ThrowMagickException(exception,GetMagickModule(),
3297 DrawError,
"UnbalancedGraphicContextPushPop",
"`%s'",token);
3302 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3303 (graphic_context[n]->compliance != SVGCompliance))
3304 if (LocaleCompare(graphic_context[n]->clip_mask,
3305 graphic_context[n-1]->clip_mask) != 0)
3306 status=SetImageMask(image,WritePixelMask,(
Image *) NULL,
3308 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3312 if (LocaleCompare(
"mask",token) == 0)
3314 if (LocaleCompare(
"pattern",token) == 0)
3316 if (LocaleCompare(
"symbol",token) == 0)
3319 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3326 if (LocaleCompare(
"push",keyword) == 0)
3328 if (GetNextToken(q,&q,extent,token) < 1)
3330 if (LocaleCompare(
"class",token) == 0)
3335 for (p=q; *q !=
'\0'; )
3337 if (GetNextToken(q,&q,extent,token) < 1)
3339 if (LocaleCompare(token,
"pop") != 0)
3341 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3342 if (LocaleCompare(token,
"class") != 0)
3346 (void) GetNextToken(q,&q,extent,token);
3349 if (LocaleCompare(
"clip-path",token) == 0)
3351 (void) GetNextToken(q,&q,extent,token);
3352 for (p=q; *q !=
'\0'; )
3354 if (GetNextToken(q,&q,extent,token) < 1)
3356 if (LocaleCompare(token,
"pop") != 0)
3358 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3359 if (LocaleCompare(token,
"clip-path") != 0)
3363 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3368 (void) GetNextToken(q,&q,extent,token);
3371 if (LocaleCompare(
"defs",token) == 0)
3374 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3378 if (LocaleCompare(
"gradient",token) == 0)
3381 key[2*MagickPathExtent],
3382 name[MagickPathExtent],
3383 type[MagickPathExtent];
3388 (void) GetNextToken(q,&q,extent,token);
3389 (void) CopyMagickString(name,token,MagickPathExtent);
3390 (void) GetNextToken(q,&q,extent,token);
3391 (void) CopyMagickString(type,token,MagickPathExtent);
3392 (void) GetNextToken(q,&q,extent,token);
3393 segment.x1=GetDrawValue(token,&next_token);
3394 if (token == next_token)
3395 ThrowPointExpectedException(token,exception);
3396 (void) GetNextToken(q,&q,extent,token);
3398 (void) GetNextToken(q,&q,extent,token);
3399 segment.y1=GetDrawValue(token,&next_token);
3400 if (token == next_token)
3401 ThrowPointExpectedException(token,exception);
3402 (void) GetNextToken(q,&q,extent,token);
3404 (void) GetNextToken(q,&q,extent,token);
3405 segment.x2=GetDrawValue(token,&next_token);
3406 if (token == next_token)
3407 ThrowPointExpectedException(token,exception);
3408 (void) GetNextToken(q,&q,extent,token);
3410 (void) GetNextToken(q,&q,extent,token);
3411 segment.y2=GetDrawValue(token,&next_token);
3412 if (token == next_token)
3413 ThrowPointExpectedException(token,exception);
3414 if (LocaleCompare(type,
"radial") == 0)
3416 (void) GetNextToken(q,&q,extent,token);
3418 (void) GetNextToken(q,&q,extent,token);
3420 for (p=q; *q !=
'\0'; )
3422 if (GetNextToken(q,&q,extent,token) < 1)
3424 if (LocaleCompare(token,
"pop") != 0)
3426 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3427 if (LocaleCompare(token,
"gradient") != 0)
3431 if ((q == (
char *) NULL) || (*q ==
'\0') ||
3432 (p == (
char *) NULL) || ((q-4) < p))
3437 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3438 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3439 graphic_context[n]->affine.ry*segment.y1+
3440 graphic_context[n]->affine.tx;
3441 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3442 graphic_context[n]->affine.sy*segment.y1+
3443 graphic_context[n]->affine.ty;
3444 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3445 graphic_context[n]->affine.ry*segment.y2+
3446 graphic_context[n]->affine.tx;
3447 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3448 graphic_context[n]->affine.sy*segment.y2+
3449 graphic_context[n]->affine.ty;
3450 (void) FormatLocaleString(key,MagickPathExtent,
"%s",name);
3451 (void) SetImageArtifact(image,key,token);
3452 (void) FormatLocaleString(key,MagickPathExtent,
"%s-type",name);
3453 (void) SetImageArtifact(image,key,type);
3454 (void) FormatLocaleString(key,MagickPathExtent,
"%s-geometry",
3456 (void) FormatLocaleString(geometry,MagickPathExtent,
3457 "%gx%g%+.15g%+.15g",
3458 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3459 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3460 bounds.x1,bounds.y1);
3461 (void) SetImageArtifact(image,key,geometry);
3462 (void) GetNextToken(q,&q,extent,token);
3465 if (LocaleCompare(
"graphic-context",token) == 0)
3468 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3469 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3470 if (graphic_context == (
DrawInfo **) NULL)
3472 (void) ThrowMagickException(exception,GetMagickModule(),
3473 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3477 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3478 graphic_context[n-1]);
3481 (void) GetNextToken(q,&q,extent,token);
3482 (void) CloneString(&graphic_context[n]->
id,token);
3486 if (LocaleCompare(
"mask",token) == 0)
3488 (void) GetNextToken(q,&q,extent,token);
3491 if (LocaleCompare(
"pattern",token) == 0)
3494 key[2*MagickPathExtent],
3495 name[MagickPathExtent];
3500 (void) GetNextToken(q,&q,extent,token);
3501 (void) CopyMagickString(name,token,MagickPathExtent);
3502 (void) GetNextToken(q,&q,extent,token);
3503 region.x=CastDoubleToLong(ceil(GetDrawValue(token,
3505 if (token == next_token)
3506 ThrowPointExpectedException(token,exception);
3507 (void) GetNextToken(q,&q,extent,token);
3509 (void) GetNextToken(q,&q,extent,token);
3510 region.y=CastDoubleToLong(ceil(GetDrawValue(token,
3512 if (token == next_token)
3513 ThrowPointExpectedException(token,exception);
3514 (void) GetNextToken(q,&q,extent,token);
3516 (void) GetNextToken(q,&q,extent,token);
3517 region.width=CastDoubleToUnsigned(floor(GetDrawValue(
3518 token,&next_token)+0.5));
3519 if (token == next_token)
3520 ThrowPointExpectedException(token,exception);
3521 (void) GetNextToken(q,&q,extent,token);
3523 (void) GetNextToken(q,&q,extent,token);
3524 region.height=CastDoubleToUnsigned(GetDrawValue(token,
3526 if (token == next_token)
3527 ThrowPointExpectedException(token,exception);
3528 for (p=q; *q !=
'\0'; )
3530 if (GetNextToken(q,&q,extent,token) < 1)
3532 if (LocaleCompare(token,
"pop") != 0)
3534 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3535 if (LocaleCompare(token,
"pattern") != 0)
3539 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3544 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3545 (void) FormatLocaleString(key,MagickPathExtent,
"%s",name);
3546 (void) SetImageArtifact(image,key,token);
3547 (void) FormatLocaleString(key,MagickPathExtent,
"%s-geometry",
3549 (void) FormatLocaleString(geometry,MagickPathExtent,
3550 "%.20gx%.20g%+.20g%+.20g",(
double) region.width,(double)
3551 region.height,(
double) region.x,(double) region.y);
3552 (void) SetImageArtifact(image,key,geometry);
3553 (void) GetNextToken(q,&q,extent,token);
3556 if (LocaleCompare(
"symbol",token) == 0)
3559 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3572 if (LocaleCompare(
"rectangle",keyword) == 0)
3574 primitive_type=RectanglePrimitive;
3577 if (LocaleCompare(
"rotate",keyword) == 0)
3579 (void) GetNextToken(q,&q,extent,token);
3580 angle=GetDrawValue(token,&next_token);
3581 if (token == next_token)
3582 ThrowPointExpectedException(token,exception);
3583 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3584 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3585 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3586 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3589 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3591 primitive_type=RoundRectanglePrimitive;
3600 if (LocaleCompare(
"scale",keyword) == 0)
3602 (void) GetNextToken(q,&q,extent,token);
3603 affine.sx=GetDrawValue(token,&next_token);
3604 if (token == next_token)
3605 ThrowPointExpectedException(token,exception);
3606 (void) GetNextToken(q,&q,extent,token);
3608 (void) GetNextToken(q,&q,extent,token);
3609 affine.sy=GetDrawValue(token,&next_token);
3610 if (token == next_token)
3611 ThrowPointExpectedException(token,exception);
3614 if (LocaleCompare(
"skewX",keyword) == 0)
3616 (void) GetNextToken(q,&q,extent,token);
3617 angle=GetDrawValue(token,&next_token);
3618 if (token == next_token)
3619 ThrowPointExpectedException(token,exception);
3620 affine.ry=sin(DegreesToRadians(angle));
3623 if (LocaleCompare(
"skewY",keyword) == 0)
3625 (void) GetNextToken(q,&q,extent,token);
3626 angle=GetDrawValue(token,&next_token);
3627 if (token == next_token)
3628 ThrowPointExpectedException(token,exception);
3629 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3632 if (LocaleCompare(
"stop-color",keyword) == 0)
3638 if (number_stops == 1)
3639 stops=(
StopInfo *) AcquireQuantumMemory(2,
sizeof(*stops));
3641 if (number_stops > 2)
3642 stops=(
StopInfo *) ResizeQuantumMemory(stops,number_stops,
3646 (void) ThrowMagickException(exception,GetMagickModule(),
3647 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3651 (void) GetNextToken(q,&q,extent,token);
3652 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3653 &stop_color,exception);
3654 stops[number_stops-1].color=stop_color;
3655 (void) GetNextToken(q,&q,extent,token);
3656 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3657 stops[number_stops-1].offset=factor*GetDrawValue(token,
3659 if (token == next_token)
3660 ThrowPointExpectedException(token,exception);
3663 if (LocaleCompare(
"stroke",keyword) == 0)
3668 (void) GetNextToken(q,&q,extent,token);
3669 if (graphic_context[n]->clip_path != MagickFalse)
3671 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3672 if (mvg_class != (
const char *) NULL)
3674 (void) DrawPatternPath(image,draw_info,mvg_class,
3675 &graphic_context[n]->stroke_pattern,exception);
3678 (void) FormatLocaleString(pattern,MagickPathExtent,
"%s",token);
3679 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3681 (void) DrawPatternPath(image,draw_info,token,
3682 &graphic_context[n]->stroke_pattern,exception);
3685 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3686 &graphic_context[n]->stroke,exception);
3687 if (graphic_context[n]->stroke_alpha != (
double) OpaqueAlpha)
3688 graphic_context[n]->stroke.alpha=
3689 graphic_context[n]->stroke_alpha;
3692 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3694 (void) GetNextToken(q,&q,extent,token);
3695 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3696 MagickTrue : MagickFalse;
3699 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3701 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3702 graphic_context[n]->dash_pattern=(
double *)
3703 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3704 if (IsPoint(q) != MagickFalse)
3710 (void) GetNextToken(r,&r,extent,token);
3712 (void) GetNextToken(r,&r,extent,token);
3713 for (x=0; IsPoint(token) != MagickFalse; x++)
3715 (void) GetNextToken(r,&r,extent,token);
3717 (void) GetNextToken(r,&r,extent,token);
3719 graphic_context[n]->dash_pattern=(
double *)
3720 AcquireQuantumMemory((
size_t) (2*x+2),
3721 sizeof(*graphic_context[n]->dash_pattern));
3722 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3724 (void) ThrowMagickException(exception,GetMagickModule(),
3725 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3730 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3731 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3732 for (j=0; j < x; j++)
3734 (void) GetNextToken(q,&q,extent,token);
3736 (void) GetNextToken(q,&q,extent,token);
3737 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3739 if (token == next_token)
3740 ThrowPointExpectedException(token,exception);
3741 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3744 if ((x & 0x01) != 0)
3745 for ( ; j < (2*x); j++)
3746 graphic_context[n]->dash_pattern[j]=
3747 graphic_context[n]->dash_pattern[j-x];
3748 graphic_context[n]->dash_pattern[j]=0.0;
3751 (void) GetNextToken(q,&q,extent,token);
3754 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3756 (void) GetNextToken(q,&q,extent,token);
3757 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3758 if (token == next_token)
3759 ThrowPointExpectedException(token,exception);
3762 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3767 (void) GetNextToken(q,&q,extent,token);
3768 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3774 graphic_context[n]->linecap=(LineCap) linecap;
3777 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3782 (void) GetNextToken(q,&q,extent,token);
3783 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3790 graphic_context[n]->linejoin=(LineJoin) linejoin;
3793 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3795 (void) GetNextToken(q,&q,extent,token);
3796 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3799 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3804 (void) GetNextToken(q,&q,extent,token);
3805 if (graphic_context[n]->clip_path != MagickFalse)
3807 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3808 opacity=MagickMin(MagickMax(factor*GetDrawValue(token,&next_token),
3810 if (token == next_token)
3811 ThrowPointExpectedException(token,exception);
3812 if (graphic_context[n]->compliance == SVGCompliance)
3813 graphic_context[n]->stroke_alpha*=opacity;
3815 graphic_context[n]->stroke_alpha=(double) QuantumRange*opacity;
3816 if (graphic_context[n]->stroke.alpha != (
double) TransparentAlpha)
3817 graphic_context[n]->stroke.alpha=graphic_context[n]->stroke_alpha;
3819 graphic_context[n]->stroke.alpha=(MagickRealType)
3820 ClampToQuantum((
double) QuantumRange*opacity);
3821 graphic_context[n]->stroke.alpha_trait=BlendPixelTrait;
3824 if (LocaleCompare(
"stroke-width",keyword) == 0)
3826 (void) GetNextToken(q,&q,extent,token);
3827 if (graphic_context[n]->clip_path != MagickFalse)
3829 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3830 if ((token == next_token) ||
3831 (graphic_context[n]->stroke_width < 0.0))
3832 ThrowPointExpectedException(token,exception);
3841 if (LocaleCompare(
"text",keyword) == 0)
3843 primitive_type=TextPrimitive;
3847 if (LocaleCompare(
"text-align",keyword) == 0)
3852 (void) GetNextToken(q,&q,extent,token);
3853 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3859 graphic_context[n]->align=(AlignType) align;
3862 if (LocaleCompare(
"text-anchor",keyword) == 0)
3867 (void) GetNextToken(q,&q,extent,token);
3868 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3874 graphic_context[n]->align=(AlignType) align;
3877 if (LocaleCompare(
"text-antialias",keyword) == 0)
3879 (void) GetNextToken(q,&q,extent,token);
3880 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3881 MagickTrue : MagickFalse;
3884 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3886 (void) GetNextToken(q,&q,extent,token);
3887 status&=(MagickStatusType) QueryColorCompliance(token,AllCompliance,
3888 &graphic_context[n]->undercolor,exception);
3891 if (LocaleCompare(
"translate",keyword) == 0)
3893 (void) GetNextToken(q,&q,extent,token);
3894 affine.tx=GetDrawValue(token,&next_token);
3895 if (token == next_token)
3896 ThrowPointExpectedException(token,exception);
3897 (void) GetNextToken(q,&q,extent,token);
3899 (void) GetNextToken(q,&q,extent,token);
3900 affine.ty=GetDrawValue(token,&next_token);
3901 if (token == next_token)
3902 ThrowPointExpectedException(token,exception);
3912 if (LocaleCompare(
"use",keyword) == 0)
3920 (void) GetNextToken(q,&q,extent,token);
3921 use=(
const char *) GetValueFromSplayTree(macros,token);
3922 if (use != (
const char *) NULL)
3924 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3925 (void) CloneString(&clone_info->primitive,use);
3926 status=RenderMVGContent(image,clone_info,depth+1,exception);
3927 clone_info=DestroyDrawInfo(clone_info);
3937 if (LocaleCompare(
"viewbox",keyword) == 0)
3939 (void) GetNextToken(q,&q,extent,token);
3940 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3941 GetDrawValue(token,&next_token)-0.5));
3942 if (token == next_token)
3943 ThrowPointExpectedException(token,exception);
3944 (void) GetNextToken(q,&q,extent,token);
3946 (void) GetNextToken(q,&q,extent,token);
3947 graphic_context[n]->viewbox.y=CastDoubleToLong(
3948 ceil(GetDrawValue(token,&next_token)-0.5));
3949 if (token == next_token)
3950 ThrowPointExpectedException(token,exception);
3951 (void) GetNextToken(q,&q,extent,token);
3953 (void) GetNextToken(q,&q,extent,token);
3954 graphic_context[n]->viewbox.width=CastDoubleToUnsigned(
3955 floor(GetDrawValue(token,&next_token)+0.5));
3956 if (token == next_token)
3957 ThrowPointExpectedException(token,exception);
3958 (void) GetNextToken(q,&q,extent,token);
3960 (void) GetNextToken(q,&q,extent,token);
3961 graphic_context[n]->viewbox.height=(size_t) CastDoubleToUnsigned(
3962 floor(GetDrawValue(token,&next_token)+0.5));
3963 if (token == next_token)
3964 ThrowPointExpectedException(token,exception);
3973 if (LocaleCompare(
"word-spacing",keyword) == 0)
3975 (void) GetNextToken(q,&q,extent,token);
3976 graphic_context[n]->interword_spacing=GetDrawValue(token,
3978 if (token == next_token)
3979 ThrowPointExpectedException(token,exception);
3991 if (status == MagickFalse)
3993 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3994 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3995 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3996 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3998 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3999 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
4000 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
4001 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
4002 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
4004 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
4007 if (primitive_type == UndefinedPrimitive)
4011 if (number_stops > 1)
4016 type=LinearGradient;
4017 if (draw_info->gradient.type == RadialGradient)
4018 type=RadialGradient;
4019 (void) GradientImage(image,type,PadSpread,stops,number_stops,
4022 if (number_stops > 0)
4023 stops=(
StopInfo *) RelinquishMagickMemory(stops);
4025 if ((draw_info->debug != MagickFalse) && (q > p))
4026 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
4033 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4034 if (primitive_info[i].text != (
char *) NULL)
4035 primitive_info[i].text=DestroyString(primitive_info[i].text);
4039 primitive_info[0].point.x=0.0;
4040 primitive_info[0].point.y=0.0;
4041 primitive_info[0].coordinates=0;
4042 primitive_info[0].method=FloodfillMethod;
4043 primitive_info[0].closed_subpath=MagickFalse;
4044 for (x=0; *q !=
'\0'; x++)
4049 if (IsPoint(q) == MagickFalse)
4051 (void) GetNextToken(q,&q,extent,token);
4052 point.x=GetDrawValue(token,&next_token);
4053 if (token == next_token)
4054 ThrowPointExpectedException(token,exception);
4055 (void) GetNextToken(q,&q,extent,token);
4057 (void) GetNextToken(q,&q,extent,token);
4058 point.y=GetDrawValue(token,&next_token);
4059 if (token == next_token)
4060 ThrowPointExpectedException(token,exception);
4061 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4063 (void) GetNextToken(q,&q,extent,token);
4064 primitive_info[i].primitive=primitive_type;
4065 primitive_info[i].point=point;
4066 primitive_info[i].coordinates=0;
4067 primitive_info[i].method=FloodfillMethod;
4068 primitive_info[i].closed_subpath=MagickFalse;
4071 if (i < (ssize_t) number_points)
4073 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4075 primitive_info=(*mvg_info.primitive_info);
4077 if (status == MagickFalse)
4079 if (primitive_info[j].text != (
char *) NULL)
4080 primitive_info[j].text=DestroyString(primitive_info[j].text);
4081 primitive_info[j].primitive=primitive_type;
4082 primitive_info[j].coordinates=(size_t) x;
4083 primitive_info[j].method=FloodfillMethod;
4084 primitive_info[j].closed_subpath=MagickFalse;
4088 bounds.x1=primitive_info[j].point.x;
4089 bounds.y1=primitive_info[j].point.y;
4090 bounds.x2=primitive_info[j].point.x;
4091 bounds.y2=primitive_info[j].point.y;
4092 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4094 point=primitive_info[j+k].point;
4095 if (point.x < bounds.x1)
4097 if (point.y < bounds.y1)
4099 if (point.x > bounds.x2)
4101 if (point.y > bounds.y2)
4107 coordinates=(double) primitive_info[j].coordinates;
4108 switch (primitive_type)
4110 case RectanglePrimitive:
4115 case RoundRectanglePrimitive:
4122 alpha=bounds.x2-bounds.x1;
4123 beta=bounds.y2-bounds.y1;
4124 radius=hypot(alpha,beta);
4126 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4127 BezierQuantum+360.0;
4130 case BezierPrimitive:
4132 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4141 (void) GetNextToken(q,&q,extent,token);
4144 for (s=token; *s !=
'\0'; s=t)
4149 value=GetDrawValue(s,&t);
4158 for (s=token; *s !=
'\0'; s++)
4159 if (strspn(s,
"AaCcQqSsTt") != 0)
4160 coordinates+=(20.0*BezierQuantum)+360.0;
4166 if (status == MagickFalse)
4168 if (((
size_t) (i+coordinates)) >= number_points)
4173 number_points+=coordinates+1;
4174 if (number_points < (
size_t) coordinates)
4176 (void) ThrowMagickException(exception,GetMagickModule(),
4177 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4182 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4184 primitive_info=(*mvg_info.primitive_info);
4186 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,
4187 PrimitiveExtentPad);
4188 primitive_info=(*mvg_info.primitive_info);
4189 if (status == MagickFalse)
4192 switch (primitive_type)
4194 case PointPrimitive:
4197 if (primitive_info[j].coordinates != 1)
4202 status&=(MagickStatusType) TracePoint(primitive_info+j,
4203 primitive_info[j].point);
4204 primitive_info=(*mvg_info.primitive_info);
4205 i=j+(ssize_t) primitive_info[j].coordinates;
4210 if (primitive_info[j].coordinates != 2)
4215 status&=(MagickStatusType) TraceLine(primitive_info+j,
4216 primitive_info[j].point,primitive_info[j+1].point);
4217 primitive_info=(*mvg_info.primitive_info);
4218 i=j+(ssize_t) primitive_info[j].coordinates;
4221 case RectanglePrimitive:
4223 if (primitive_info[j].coordinates != 2)
4228 status&=(MagickStatusType) TraceRectangle(primitive_info+j,
4229 primitive_info[j].point,primitive_info[j+1].point);
4230 primitive_info=(*mvg_info.primitive_info);
4231 i=j+(ssize_t) primitive_info[j].coordinates;
4234 case RoundRectanglePrimitive:
4236 if (primitive_info[j].coordinates != 3)
4241 if ((primitive_info[j+2].point.x < 0.0) ||
4242 (primitive_info[j+2].point.y < 0.0))
4247 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4252 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4257 status&=(MagickStatusType) TraceRoundRectangle(&mvg_info,
4258 primitive_info[j].point,primitive_info[j+1].point,
4259 primitive_info[j+2].point);
4260 primitive_info=(*mvg_info.primitive_info);
4261 i=j+(ssize_t) primitive_info[j].coordinates;
4266 if (primitive_info[j].coordinates != 3)
4271 status&=(MagickStatusType) TraceArc(&mvg_info,primitive_info[j].point,
4272 primitive_info[j+1].point,primitive_info[j+2].point);
4273 primitive_info=(*mvg_info.primitive_info);
4274 i=j+(ssize_t) primitive_info[j].coordinates;
4277 case EllipsePrimitive:
4279 if (primitive_info[j].coordinates != 3)
4284 if ((primitive_info[j+1].point.x < 0.0) ||
4285 (primitive_info[j+1].point.y < 0.0))
4290 status&=(MagickStatusType) TraceEllipse(&mvg_info,
4291 primitive_info[j].point,primitive_info[j+1].point,
4292 primitive_info[j+2].point);
4293 primitive_info=(*mvg_info.primitive_info);
4294 i=j+(ssize_t) primitive_info[j].coordinates;
4297 case CirclePrimitive:
4299 if (primitive_info[j].coordinates != 2)
4304 status&=(MagickStatusType) TraceCircle(&mvg_info,
4305 primitive_info[j].point,primitive_info[j+1].point);
4306 primitive_info=(*mvg_info.primitive_info);
4307 i=j+(ssize_t) primitive_info[j].coordinates;
4310 case PolylinePrimitive:
4312 if (primitive_info[j].coordinates < 1)
4319 case PolygonPrimitive:
4321 if (primitive_info[j].coordinates < 3)
4326 primitive_info[i]=primitive_info[j];
4327 primitive_info[i].coordinates=0;
4328 primitive_info[j].coordinates++;
4329 primitive_info[j].closed_subpath=MagickTrue;
4333 case BezierPrimitive:
4335 if (primitive_info[j].coordinates < 3)
4340 status&=(MagickStatusType) TraceBezier(&mvg_info,
4341 primitive_info[j].coordinates);
4342 primitive_info=(*mvg_info.primitive_info);
4343 i=j+(ssize_t) primitive_info[j].coordinates;
4348 coordinates=(double) TracePath(&mvg_info,token,exception);
4349 primitive_info=(*mvg_info.primitive_info);
4350 if (coordinates < 0.0)
4355 i=(ssize_t) (j+coordinates);
4358 case AlphaPrimitive:
4359 case ColorPrimitive:
4364 if (primitive_info[j].coordinates != 1)
4369 (void) GetNextToken(q,&q,extent,token);
4370 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4376 primitive_info[j].method=(PaintMethod) method;
4381 if (primitive_info[j].coordinates != 1)
4387 (void) GetNextToken(q,&q,extent,token);
4388 (void) CloneString(&primitive_info[j].text,token);
4392 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4393 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4394 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4396 mvg_info.point=primitive_info->point;
4397 primitive_info->point.x+=cursor;
4401 mvg_info.point=primitive_info->point;
4404 clone_info->render=MagickFalse;
4405 clone_info->text=AcquireString(token);
4406 status&=(MagickStatusType) GetTypeMetrics(image,clone_info,
4407 &metrics,exception);
4408 clone_info=DestroyDrawInfo(clone_info);
4409 cursor+=metrics.width;
4410 if (graphic_context[n]->compliance != SVGCompliance)
4414 case ImagePrimitive:
4416 if (primitive_info[j].coordinates != 2)
4421 (void) GetNextToken(q,&q,extent,token);
4422 (void) CloneString(&primitive_info[j].text,token);
4429 primitive_info[i].primitive=UndefinedPrimitive;
4430 if ((draw_info->debug != MagickFalse) && (q > p))
4431 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4435 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4436 &graphic_context[n]->affine));
4437 primitive_info=(*mvg_info.primitive_info);
4440 status&=(MagickStatusType) CheckPrimitiveExtent(&mvg_info,(
double)
4441 graphic_context[n]->stroke_width);
4442 primitive_info=(*mvg_info.primitive_info);
4450 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4452 point=primitive_info[i].point;
4453 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4454 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4455 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4456 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4457 point=primitive_info[i].point;
4458 if (point.x < graphic_context[n]->bounds.x1)
4459 graphic_context[n]->bounds.x1=point.x;
4460 if (point.y < graphic_context[n]->bounds.y1)
4461 graphic_context[n]->bounds.y1=point.y;
4462 if (point.x > graphic_context[n]->bounds.x2)
4463 graphic_context[n]->bounds.x2=point.x;
4464 if (point.y > graphic_context[n]->bounds.y2)
4465 graphic_context[n]->bounds.y2=point.y;
4466 if (primitive_info[i].primitive == ImagePrimitive)
4468 if (i >= (ssize_t) number_points)
4469 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4471 if (graphic_context[n]->render != MagickFalse)
4473 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4474 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4475 (LocaleCompare(graphic_context[n]->clip_mask,
4476 graphic_context[n-1]->clip_mask) != 0))
4481 clip_path=(
const char *) GetValueFromSplayTree(macros,
4482 graphic_context[n]->clip_mask);
4483 if (clip_path != (
const char *) NULL)
4484 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4486 status&=(MagickStatusType) DrawClipPath(image,graphic_context[n],
4487 graphic_context[n]->clip_mask,exception);
4489 status&=(MagickStatusType) DrawPrimitive(image,graphic_context[n],
4490 primitive_info,exception);
4492 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4494 if (proceed == MagickFalse)
4499 if (draw_info->debug != MagickFalse)
4500 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4504 macros=DestroySplayTree(macros);
4505 token=DestroyString(token);
4508 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4509 if (primitive_info[i].text != (
char *) NULL)
4510 primitive_info[i].text=DestroyString(primitive_info[i].text);
4511 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4513 primitive=DestroyString(primitive);
4515 stops=(
StopInfo *) RelinquishMagickMemory(stops);
4516 for ( ; n >= 0; n--)
4517 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4518 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4519 if ((status == MagickFalse) && (exception->severity < ErrorException))
4520 ThrowBinaryException(DrawError,
"NonconformingDrawingPrimitiveDefinition",
4522 return(status != 0 ? MagickTrue : MagickFalse);
4525MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info,
4528 return(RenderMVGContent(image,draw_info,0,exception));
4562MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4567 property[MagickPathExtent];
4583 assert(image != (
Image *) NULL);
4584 assert(image->signature == MagickCoreSignature);
4585 assert(draw_info != (
const DrawInfo *) NULL);
4586 assert(name != (
const char *) NULL);
4587 if (IsEventLogging() != MagickFalse)
4588 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4589 (void) FormatLocaleString(property,MagickPathExtent,
"%s",name);
4590 path=GetImageArtifact(image,property);
4591 if (path == (
const char *) NULL)
4592 return(MagickFalse);
4593 (void) FormatLocaleString(property,MagickPathExtent,
"%s-geometry",name);
4594 geometry=GetImageArtifact(image,property);
4595 if (geometry == (
const char *) NULL)
4596 return(MagickFalse);
4597 if ((*pattern) != (
Image *) NULL)
4598 *pattern=DestroyImage(*pattern);
4599 image_info=AcquireImageInfo();
4600 image_info->size=AcquireString(geometry);
4601 *pattern=AcquireImage(image_info,exception);
4602 image_info=DestroyImageInfo(image_info);
4603 (void) QueryColorCompliance(
"#00000000",AllCompliance,
4604 &(*pattern)->background_color,exception);
4605 (void) SetImageBackgroundColor(*pattern,exception);
4606 if (draw_info->debug != MagickFalse)
4607 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4608 "begin pattern-path %s %s",name,geometry);
4609 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4610 if (clone_info->fill_pattern != (
Image *) NULL)
4611 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4612 if (clone_info->stroke_pattern != (
Image *) NULL)
4613 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4614 (void) FormatLocaleString(property,MagickPathExtent,
"%s-type",name);
4615 type=GetImageArtifact(image,property);
4616 if (type != (
const char *) NULL)
4617 clone_info->gradient.type=(GradientType) ParseCommandOption(
4618 MagickGradientOptions,MagickFalse,type);
4619 (void) CloneString(&clone_info->primitive,path);
4620 status=RenderMVGContent(*pattern,clone_info,0,exception);
4621 clone_info=DestroyDrawInfo(clone_info);
4622 if (draw_info->debug != MagickFalse)
4623 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4664 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4666 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4667 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4668 return(polygon_info);
4675 *magick_restrict path_info;
4683 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4684 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4685 sizeof(*polygon_info));
4688 (void) ThrowMagickException(exception,GetMagickModule(),
4689 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4692 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4693 path_info=ConvertPrimitiveToPath(primitive_info,exception);
4694 if (path_info == (
PathInfo *) NULL)
4695 return(DestroyPolygonTLS(polygon_info));
4696 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4699 (void) ThrowMagickException(exception,GetMagickModule(),
4700 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4701 return(DestroyPolygonTLS(polygon_info));
4703 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4704 return(polygon_info);
4707static MagickBooleanType ClonePolygonEdgesTLS(
PolygonInfo **polygon_info,
4713 for (i=1; i < (ssize_t) number_threads; i++)
4721 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4722 sizeof(*polygon_info[i]));
4725 (void) ThrowMagickException(exception,GetMagickModule(),
4726 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4727 return(MagickFalse);
4729 polygon_info[i]->number_edges=0;
4730 edge_info=polygon_info[0]->edges;
4731 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4732 polygon_info[0]->number_edges,
sizeof(*edge_info));
4733 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4735 (void) ThrowMagickException(exception,GetMagickModule(),
4736 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4737 return(MagickFalse);
4739 (void) memcpy(polygon_info[i]->edges,edge_info,
4740 polygon_info[0]->number_edges*
sizeof(*edge_info));
4741 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4742 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4743 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4744 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4746 edge_info=polygon_info[0]->edges+j;
4747 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4748 edge_info->number_points,
sizeof(*edge_info));
4749 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4751 (void) ThrowMagickException(exception,GetMagickModule(),
4752 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4753 return(MagickFalse);
4755 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4756 edge_info->number_points*
sizeof(*edge_info->points));
4762static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4764 assert(edge < (ssize_t) polygon_info->number_edges);
4765 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4766 polygon_info->edges[edge].points);
4767 polygon_info->number_edges--;
4768 if (edge < (ssize_t) polygon_info->number_edges)
4769 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4770 (polygon_info->number_edges-(
size_t) edge)*
sizeof(*polygon_info->edges));
4771 return(polygon_info->number_edges);
4774static double GetFillAlpha(
PolygonInfo *polygon_info,
const double mid,
4775 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4776 const ssize_t y,
double *stroke_alpha)
4803 p=polygon_info->edges;
4804 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4806 if ((
double) y <= (p->bounds.y1-mid-0.5))
4808 if ((
double) y > (p->bounds.y2+mid+0.5))
4811 (void) DestroyEdge(polygon_info,j--);
4814 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4815 ((double) x > (p->bounds.x2+mid+0.5)))
4817 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4818 for ( ; i < (ssize_t) p->number_points; i++)
4820 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4822 if ((
double) y > (p->points[i].y+mid+0.5))
4824 if (p->scanline != (
double) y)
4826 p->scanline=(double) y;
4827 p->highwater=(size_t) i;
4833 delta.x=(q+1)->x-q->x;
4834 delta.y=(q+1)->y-q->y;
4835 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4841 delta.x=(double) x-q->x;
4842 delta.y=(double) y-q->y;
4843 distance=delta.x*delta.x+delta.y*delta.y;
4847 alpha=delta.x*delta.x+delta.y*delta.y;
4853 delta.x=(double) x-(q+1)->x;
4854 delta.y=(double) y-(q+1)->y;
4855 distance=delta.x*delta.x+delta.y*delta.y;
4862 alpha=PerceptibleReciprocal(alpha);
4863 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4864 distance=alpha*beta*beta;
4871 if (p->ghostline == MagickFalse)
4874 if ((*stroke_alpha < 1.0) &&
4875 (distance <= ((alpha+0.25)*(alpha+0.25))))
4878 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4883 if (fabs(distance-1.0) >= MagickEpsilon)
4884 beta=sqrt((
double) distance);
4886 if (*stroke_alpha < ((alpha-0.25)*(alpha-0.25)))
4887 *stroke_alpha=(alpha-0.25)*(alpha-0.25);
4891 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_alpha >= 1.0))
4893 if (distance <= 0.0)
4900 if (fabs(beta) < MagickEpsilon)
4903 if (fabs(distance-1.0) >= MagickEpsilon)
4904 beta=sqrt(distance);
4907 if (subpath_alpha < (alpha*alpha))
4908 subpath_alpha=alpha*alpha;
4914 if (fill == MagickFalse)
4916 if (subpath_alpha >= 1.0)
4922 p=polygon_info->edges;
4923 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4925 if ((
double) y <= p->bounds.y1)
4927 if (((
double) y > p->bounds.y2) || ((double) x <= p->bounds.x1))
4929 if ((
double) x > p->bounds.x2)
4931 winding_number+=p->direction != 0 ? 1 : -1;
4934 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4935 for ( ; i < (ssize_t) (p->number_points-1); i++)
4936 if ((
double) y <= p->points[i].y)
4939 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4940 winding_number+=p->direction != 0 ? 1 : -1;
4942 if (fill_rule != NonZeroRule)
4944 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4948 if (MagickAbsoluteValue(winding_number) != 0)
4950 return(subpath_alpha);
4953static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4957 typedef struct _ExtentInfo
4986 **magick_restrict polygon_info;
4998 assert(image != (
Image *) NULL);
4999 assert(image->signature == MagickCoreSignature);
5000 assert(draw_info != (
DrawInfo *) NULL);
5001 assert(draw_info->signature == MagickCoreSignature);
5003 if (IsEventLogging() != MagickFalse)
5004 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
5005 if (primitive_info->coordinates <= 1)
5010 polygon_info=AcquirePolygonTLS(primitive_info,exception);
5012 return(MagickFalse);
5013 if (draw_info->debug != MagickFalse)
5014 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
5015 fill=(primitive_info->method == FillToBorderMethod) ||
5016 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
5017 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5018 bounds=polygon_info[0]->edges[0].bounds;
5019 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
5020 if (IsStringTrue(artifact) != MagickFalse)
5021 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0],exception);
5022 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
5024 p=polygon_info[0]->edges+i;
5025 if (p->bounds.x1 < bounds.x1)
5026 bounds.x1=p->bounds.x1;
5027 if (p->bounds.y1 < bounds.y1)
5028 bounds.y1=p->bounds.y1;
5029 if (p->bounds.x2 > bounds.x2)
5030 bounds.x2=p->bounds.x2;
5031 if (p->bounds.y2 > bounds.y2)
5032 bounds.y2=p->bounds.y2;
5034 bounds.x1-=(mid+1.0);
5035 bounds.y1-=(mid+1.0);
5036 bounds.x2+=(mid+1.0);
5037 bounds.y2+=(mid+1.0);
5038 if ((bounds.x1 >= (
double) image->columns) ||
5039 (bounds.y1 >= (
double) image->rows) ||
5040 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
5042 polygon_info=DestroyPolygonTLS(polygon_info);
5045 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
5046 (
double) image->columns-1.0 : bounds.x1;
5047 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
5048 (
double) image->rows-1.0 : bounds.y1;
5049 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
5050 (
double) image->columns-1.0 : bounds.x2;
5051 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
5052 (
double) image->rows-1.0 : bounds.y2;
5053 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
5054 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5055 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
5056 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5057 number_threads=(size_t) GetMagickNumberThreads(image,image,(
size_t)
5058 (poly_extent.y2-poly_extent.y1+1),1);
5059 status=ClonePolygonEdgesTLS(polygon_info,number_threads,exception);
5060 if (status == MagickFalse)
5062 polygon_info=DestroyPolygonTLS(polygon_info);
5065 image_view=AcquireAuthenticCacheView(image,exception);
5066 if ((primitive_info->coordinates == 1) ||
5067 (polygon_info[0]->number_edges == 0))
5072#if defined(MAGICKCORE_OPENMP_SUPPORT)
5073 #pragma omp parallel for schedule(static) shared(status) \
5074 num_threads((int) number_threads)
5076 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5087 if (status == MagickFalse)
5090 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5092 if (q == (Quantum *) NULL)
5097 GetPixelInfo(image,&pixel);
5098 for ( ; x <= poly_extent.x2; x++)
5100 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5101 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5103 GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&pixel,
5105 SetPixelViaPixelInfo(image,&pixel,q);
5107 q+=GetPixelChannels(image);
5109 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5112 image_view=DestroyCacheView(image_view);
5113 polygon_info=DestroyPolygonTLS(polygon_info);
5114 if (draw_info->debug != MagickFalse)
5115 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5116 " end draw-polygon");
5122#if defined(MAGICKCORE_OPENMP_SUPPORT)
5123 #pragma omp parallel for schedule(static) shared(status) \
5124 num_threads((int) number_threads)
5126 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5129 id = GetOpenMPThreadId();
5137 if (status == MagickFalse)
5139 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5140 (poly_extent.x2-poly_extent.x1+1),1,exception);
5141 if (q == (Quantum *) NULL)
5146 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5159 fill_alpha=GetFillAlpha(polygon_info[
id],mid,fill,draw_info->fill_rule,
5161 if (draw_info->stroke_antialias == MagickFalse)
5163 fill_alpha=fill_alpha >= AntialiasThreshold ? 1.0 : 0.0;
5164 stroke_alpha=stroke_alpha >= AntialiasThreshold ? 1.0 : 0.0;
5166 GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&fill_color,
5168 CompositePixelOver(image,&fill_color,fill_alpha*fill_color.alpha,q,
5169 (
double) GetPixelAlpha(image,q),q);
5170 GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&stroke_color,
5172 CompositePixelOver(image,&stroke_color,stroke_alpha*stroke_color.alpha,q,
5173 (
double) GetPixelAlpha(image,q),q);
5174 q+=GetPixelChannels(image);
5176 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5179 image_view=DestroyCacheView(image_view);
5180 polygon_info=DestroyPolygonTLS(polygon_info);
5181 if (draw_info->debug != MagickFalse)
5182 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5215static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5241 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5242 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5243 switch (primitive_info->primitive)
5245 case AlphaPrimitive:
5247 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5248 "AlphaPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5249 methods[primitive_info->method]);
5252 case ColorPrimitive:
5254 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5255 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5256 methods[primitive_info->method]);
5259 case ImagePrimitive:
5261 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5262 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5265 case PointPrimitive:
5267 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5268 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5269 methods[primitive_info->method]);
5274 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5275 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5282 p=primitive_info[0].point;
5285 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5287 point=primitive_info[i].point;
5288 if (coordinates <= 0)
5290 coordinates=(ssize_t) primitive_info[i].coordinates;
5291 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5292 " begin open (%.20g)",(double) coordinates);
5295 point=primitive_info[i].point;
5296 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5297 (fabs(q.y-point.y) >= MagickEpsilon))
5298 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5299 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5301 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5302 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5305 if (coordinates > 0)
5307 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5308 (fabs(p.y-point.y) >= MagickEpsilon))
5309 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5310 (double) coordinates);
5312 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5313 (
double) coordinates);
5317MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5334 if (draw_info->debug != MagickFalse)
5336 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5337 " begin draw-primitive");
5338 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5339 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5340 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5341 draw_info->affine.tx,draw_info->affine.ty);
5344 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5345 ((IsPixelInfoGray(&draw_info->fill) == MagickFalse) ||
5346 (IsPixelInfoGray(&draw_info->stroke) == MagickFalse)))
5347 status&=(MagickStatusType) SetImageColorspace(image,sRGBColorspace,
5349 if (draw_info->compliance == SVGCompliance)
5351 status&=(MagickStatusType) SetImageMask(image,WritePixelMask,
5352 draw_info->clipping_mask,exception);
5353 status&=(MagickStatusType) SetImageMask(image,CompositePixelMask,
5354 draw_info->composite_mask,exception);
5356 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5357 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5358 image_view=AcquireAuthenticCacheView(image,exception);
5359 switch (primitive_info->primitive)
5361 case AlphaPrimitive:
5363 if ((image->alpha_trait & BlendPixelTrait) == 0)
5364 status&=(MagickStatusType) SetImageAlphaChannel(image,
5365 OpaqueAlphaChannel,exception);
5366 switch (primitive_info->method)
5377 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5378 if (q == (Quantum *) NULL)
5380 GetFillColor(draw_info,x,y,&pixel,exception);
5381 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5382 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5392 status&=(MagickStatusType) GetOneCacheViewVirtualPixelInfo(image_view,
5393 x,y,&target,exception);
5394 GetPixelInfo(image,&pixel);
5395 for (y=0; y < (ssize_t) image->rows; y++)
5400 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5402 if (q == (Quantum *) NULL)
5404 for (x=0; x < (ssize_t) image->columns; x++)
5406 GetPixelInfoPixel(image,q,&pixel);
5407 if (IsFuzzyEquivalencePixelInfo(&pixel,&target) == MagickFalse)
5409 q+=GetPixelChannels(image);
5412 GetFillColor(draw_info,x,y,&pixel,exception);
5413 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5414 q+=GetPixelChannels(image);
5416 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5418 if (status == MagickFalse)
5423 case FloodfillMethod:
5424 case FillToBorderMethod:
5432 status&=(MagickStatusType) GetOneVirtualPixelInfo(image,
5433 TileVirtualPixelMethod,x,y,&target,exception);
5434 if (primitive_info->method == FillToBorderMethod)
5436 target.red=(double) draw_info->border_color.red;
5437 target.green=(double) draw_info->border_color.green;
5438 target.blue=(double) draw_info->border_color.blue;
5440 channel_mask=SetImageChannelMask(image,AlphaChannel);
5441 status&=(MagickStatusType) FloodfillPaintImage(image,draw_info,
5442 &target,x,y,primitive_info->method == FloodfillMethod ?
5443 MagickFalse : MagickTrue,exception);
5444 (void) SetImageChannelMask(image,channel_mask);
5452 for (y=0; y < (ssize_t) image->rows; y++)
5457 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5459 if (q == (Quantum *) NULL)
5461 for (x=0; x < (ssize_t) image->columns; x++)
5463 GetFillColor(draw_info,x,y,&pixel,exception);
5464 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5465 q+=GetPixelChannels(image);
5467 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5469 if (status == MagickFalse)
5477 case ColorPrimitive:
5479 switch (primitive_info->method)
5490 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5491 if (q == (Quantum *) NULL)
5493 GetPixelInfo(image,&pixel);
5494 GetFillColor(draw_info,x,y,&pixel,exception);
5495 SetPixelViaPixelInfo(image,&pixel,q);
5496 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5506 status&=(MagickStatusType) GetOneCacheViewVirtualPixelInfo(image_view,
5507 x,y,&target,exception);
5508 for (y=0; y < (ssize_t) image->rows; y++)
5513 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5515 if (q == (Quantum *) NULL)
5517 for (x=0; x < (ssize_t) image->columns; x++)
5519 GetPixelInfoPixel(image,q,&pixel);
5520 if (IsFuzzyEquivalencePixelInfo(&pixel,&target) == MagickFalse)
5522 q+=GetPixelChannels(image);
5525 GetFillColor(draw_info,x,y,&pixel,exception);
5526 SetPixelViaPixelInfo(image,&pixel,q);
5527 q+=GetPixelChannels(image);
5529 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5531 if (status == MagickFalse)
5536 case FloodfillMethod:
5537 case FillToBorderMethod:
5542 status&=(MagickStatusType) GetOneVirtualPixelInfo(image,
5543 TileVirtualPixelMethod,x,y,&target,exception);
5544 if (primitive_info->method == FillToBorderMethod)
5546 target.red=(double) draw_info->border_color.red;
5547 target.green=(double) draw_info->border_color.green;
5548 target.blue=(double) draw_info->border_color.blue;
5550 status&=(MagickStatusType) FloodfillPaintImage(image,draw_info,
5551 &target,x,y,primitive_info->method == FloodfillMethod ?
5552 MagickFalse : MagickTrue,exception);
5560 GetPixelInfo(image,&pixel);
5561 for (y=0; y < (ssize_t) image->rows; y++)
5566 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5568 if (q == (Quantum *) NULL)
5570 for (x=0; x < (ssize_t) image->columns; x++)
5572 GetFillColor(draw_info,x,y,&pixel,exception);
5573 SetPixelViaPixelInfo(image,&pixel,q);
5574 q+=GetPixelChannels(image);
5576 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5578 if (status == MagickFalse)
5586 case ImagePrimitive:
5592 composite_geometry[MagickPathExtent];
5608 if (primitive_info->text == (
char *) NULL)
5610 clone_info=AcquireImageInfo();
5611 composite_images=(
Image *) NULL;
5612 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5613 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5616 if (*primitive_info->text !=
'\0')
5630 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5632 (void) SetImageInfo(clone_info,1,exception);
5633 magick_info=GetMagickInfo(clone_info->magick,exception);
5634 if ((magick_info != (
const MagickInfo*) NULL) &&
5635 (LocaleCompare(magick_info->magick_module,
"SVG") == 0))
5637 (void) ThrowMagickException(exception,GetMagickModule(),
5638 CorruptImageError,
"ImageTypeNotSupported",
"`%s'",
5639 clone_info->filename);
5640 clone_info=DestroyImageInfo(clone_info);
5643 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5645 if (clone_info->size != (
char *) NULL)
5646 clone_info->size=DestroyString(clone_info->size);
5647 if (clone_info->extract != (
char *) NULL)
5648 clone_info->extract=DestroyString(clone_info->extract);
5649 path_status=GetPathAttributes(clone_info->filename,&attributes);
5650 if (path_status != MagickFalse)
5652 if (S_ISCHR(attributes.st_mode) == 0)
5653 composite_images=ReadImage(clone_info,exception);
5655 (
void) ThrowMagickException(exception,GetMagickModule(),
5656 FileOpenError,
"UnableToOpenFile",
"`%s'",
5657 clone_info->filename);
5660 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5661 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5662 (LocaleCompare(clone_info->magick,
"https") != 0))
5663 composite_images=ReadImage(clone_info,exception);
5665 (
void) ThrowMagickException(exception,GetMagickModule(),
5666 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5668 clone_info=DestroyImageInfo(clone_info);
5669 if (composite_images == (
Image *) NULL)
5674 composite_image=RemoveFirstImageFromList(&composite_images);
5675 composite_images=DestroyImageList(composite_images);
5676 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5677 NULL,(
void *) NULL);
5678 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5679 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5680 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5681 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5686 (void) FormatLocaleString(composite_geometry,MagickPathExtent,
5687 "%gx%g!",primitive_info[1].point.x,primitive_info[1].point.y);
5688 composite_image->filter=image->filter;
5689 status&=(MagickStatusType) TransformImage(&composite_image,
5690 (
char *) NULL,composite_geometry,exception);
5692 if (composite_image->alpha_trait == UndefinedPixelTrait)
5693 status&=(MagickStatusType) SetImageAlphaChannel(composite_image,
5694 OpaqueAlphaChannel,exception);
5695 if (draw_info->alpha != OpaqueAlpha)
5696 status&=(MagickStatusType) SetImageAlpha(composite_image,
5697 draw_info->alpha,exception);
5698 SetGeometry(image,&geometry);
5699 image->gravity=draw_info->gravity;
5702 (void) FormatLocaleString(composite_geometry,MagickPathExtent,
5703 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5704 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5705 (void) ParseGravityGeometry(image,composite_geometry,&geometry,exception);
5706 affine=draw_info->affine;
5707 affine.tx=(double) geometry.x;
5708 affine.ty=(double) geometry.y;
5709 composite_image->interpolate=image->interpolate;
5710 if ((draw_info->compose == OverCompositeOp) ||
5711 (draw_info->compose == SrcOverCompositeOp))
5712 status&=(MagickStatusType) DrawAffineImage(image,composite_image,
5715 status&=(MagickStatusType) CompositeImage(image,composite_image,
5716 draw_info->compose,MagickTrue,geometry.x,geometry.y,exception);
5717 composite_image=DestroyImage(composite_image);
5720 case PointPrimitive:
5728 if ((y < 0) || (y >= (ssize_t) image->rows))
5730 if ((x < 0) || (x >= (ssize_t) image->columns))
5732 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5733 if (q == (Quantum *) NULL)
5735 GetFillColor(draw_info,x,y,&fill_color,exception);
5736 CompositePixelOver(image,&fill_color,(
double) fill_color.alpha,q,(
double)
5737 GetPixelAlpha(image,q),q);
5738 status&=(MagickStatusType) SyncCacheViewAuthenticPixels(image_view,
5745 geometry[MagickPathExtent];
5750 if (primitive_info->text == (
char *) NULL)
5752 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5753 (void) CloneString(&clone_info->text,primitive_info->text);
5754 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
5755 primitive_info->point.x,primitive_info->point.y);
5756 (void) CloneString(&clone_info->geometry,geometry);
5757 status&=(MagickStatusType) AnnotateImage(image,clone_info,exception);
5758 clone_info=DestroyDrawInfo(clone_info);
5770 if (IsEventLogging() != MagickFalse)
5771 LogPrimitiveInfo(primitive_info);
5772 scale=ExpandAffine(&draw_info->affine);
5773 if ((draw_info->dash_pattern != (
double *) NULL) &&
5774 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5775 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5776 (draw_info->stroke.alpha != (
double) TransparentAlpha))
5781 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5782 clone_info->stroke_width=0.0;
5783 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5784 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5785 primitive_info,exception);
5786 clone_info=DestroyDrawInfo(clone_info);
5787 if (status != MagickFalse)
5788 status&=(MagickStatusType) DrawDashPolygon(draw_info,primitive_info,
5792 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5794 ((draw_info->stroke.alpha != (
double) TransparentAlpha) ||
5795 (draw_info->stroke_pattern != (
Image *) NULL)))
5807 closed_path=primitive_info[0].closed_subpath;
5808 i=(ssize_t) primitive_info[0].coordinates;
5809 point_x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5810 point_y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5811 if ((point_x < MagickEpsilon) && (point_y < MagickEpsilon))
5812 closed_path=MagickTrue;
5813 if ((((draw_info->linecap == RoundCap) ||
5814 (closed_path != MagickFalse)) &&
5815 (draw_info->linejoin == RoundJoin)) ||
5816 (primitive_info[i].primitive != UndefinedPrimitive))
5818 status&=(MagickStatusType) DrawPolygonPrimitive(image,draw_info,
5819 primitive_info,exception);
5822 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5823 clone_info->stroke_width=0.0;
5824 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5825 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5826 primitive_info,exception);
5827 clone_info=DestroyDrawInfo(clone_info);
5828 if (status != MagickFalse)
5829 status&=(MagickStatusType) DrawStrokePolygon(image,draw_info,
5830 primitive_info,exception);
5833 status&=(MagickStatusType) DrawPolygonPrimitive(image,draw_info,
5834 primitive_info,exception);
5838 image_view=DestroyCacheView(image_view);
5839 if (draw_info->compliance == SVGCompliance)
5841 status&=(MagickStatusType) SetImageMask(image,WritePixelMask,
5842 (
Image *) NULL,exception);
5843 status&=(MagickStatusType) SetImageMask(image,CompositePixelMask,
5844 (
Image *) NULL,exception);
5846 if (draw_info->debug != MagickFalse)
5847 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5848 return(status != 0 ? MagickTrue : MagickFalse);
5881static MagickBooleanType DrawRoundLinecap(
Image *image,
5891 for (i=0; i < 4; i++)
5892 linecap[i]=(*primitive_info);
5893 linecap[0].coordinates=4;
5894 linecap[1].point.x+=2.0*MagickEpsilon;
5895 linecap[2].point.x+=2.0*MagickEpsilon;
5896 linecap[2].point.y+=2.0*MagickEpsilon;
5897 linecap[3].point.y+=2.0*MagickEpsilon;
5898 linecap[4].primitive=UndefinedPrimitive;
5899 return(DrawPolygonPrimitive(image,draw_info,linecap,exception));
5902static MagickBooleanType DrawStrokePolygon(
Image *image,
5925 if (draw_info->debug != MagickFalse)
5926 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5927 " begin draw-stroke-polygon");
5928 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5929 clone_info->fill=draw_info->stroke;
5930 if (clone_info->fill_pattern != (
Image *) NULL)
5931 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5932 if (clone_info->stroke_pattern != (
Image *) NULL)
5933 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5934 MagickTrue,exception);
5935 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5936 clone_info->stroke_width=0.0;
5937 clone_info->fill_rule=NonZeroRule;
5939 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=(ssize_t) p->coordinates)
5941 if (p->coordinates == 1)
5943 stroke_polygon=TraceStrokePolygon(draw_info,p,exception);
5949 status&=(MagickStatusType) DrawPolygonPrimitive(image,clone_info,
5950 stroke_polygon,exception);
5951 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5954 q=p+p->coordinates-1;
5955 closed_path=p->closed_subpath;
5956 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5958 status&=(MagickStatusType) DrawRoundLinecap(image,draw_info,p,
5960 status&=(MagickStatusType) DrawRoundLinecap(image,draw_info,q,
5964 clone_info=DestroyDrawInfo(clone_info);
5965 if (draw_info->debug != MagickFalse)
5966 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5967 " end draw-stroke-polygon");
5968 return(status != 0 ? MagickTrue : MagickFalse);
5994MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5996 if (IsEventLogging() != MagickFalse)
5997 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5999 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
6000 affine_matrix->sx=1.0;
6001 affine_matrix->sy=1.0;
6042 assert(draw_info != (
DrawInfo *) NULL);
6043 if (IsEventLogging() != MagickFalse)
6044 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
6045 (void) memset(draw_info,0,
sizeof(*draw_info));
6046 draw_info->image_info=CloneImageInfo(image_info);
6047 GetAffineMatrix(&draw_info->affine);
6048 exception=AcquireExceptionInfo();
6049 (void) QueryColorCompliance(
"#000F",AllCompliance,&draw_info->fill,
6051 (void) QueryColorCompliance(
"#FFF0",AllCompliance,&draw_info->stroke,
6053 draw_info->stroke_antialias=draw_info->image_info->antialias;
6054 draw_info->stroke_width=1.0;
6055 draw_info->fill_rule=EvenOddRule;
6056 draw_info->alpha=OpaqueAlpha;
6057 draw_info->fill_alpha=OpaqueAlpha;
6058 draw_info->stroke_alpha=OpaqueAlpha;
6059 draw_info->linecap=ButtCap;
6060 draw_info->linejoin=MiterJoin;
6061 draw_info->miterlimit=10;
6062 draw_info->decorate=NoDecoration;
6063 draw_info->pointsize=12.0;
6064 draw_info->undercolor.alpha=(MagickRealType) TransparentAlpha;
6065 draw_info->compose=OverCompositeOp;
6066 draw_info->render=MagickTrue;
6067 draw_info->clip_path=MagickFalse;
6068 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
6069 MagickTrue : MagickFalse;
6070 if (draw_info->image_info->font != (
char *) NULL)
6071 draw_info->font=AcquireString(draw_info->image_info->font);
6072 if (draw_info->image_info->density != (
char *) NULL)
6073 draw_info->density=AcquireString(draw_info->image_info->density);
6074 draw_info->text_antialias=draw_info->image_info->antialias;
6075 if (fabs(draw_info->image_info->pointsize) >= MagickEpsilon)
6076 draw_info->pointsize=draw_info->image_info->pointsize;
6077 draw_info->border_color=draw_info->image_info->border_color;
6078 if (draw_info->image_info->server_name != (
char *) NULL)
6079 draw_info->server_name=AcquireString(draw_info->image_info->server_name);
6080 option=GetImageOption(draw_info->image_info,
"direction");
6081 if (option != (
const char *) NULL)
6082 draw_info->direction=(DirectionType) ParseCommandOption(
6083 MagickDirectionOptions,MagickFalse,option);
6085 draw_info->direction=UndefinedDirection;
6086 option=GetImageOption(draw_info->image_info,
"encoding");
6087 if (option != (
const char *) NULL)
6088 (void) CloneString(&draw_info->encoding,option);
6089 option=GetImageOption(draw_info->image_info,
"family");
6090 if (option != (
const char *) NULL)
6091 (void) CloneString(&draw_info->family,option);
6092 option=GetImageOption(draw_info->image_info,
"fill");
6093 if (option != (
const char *) NULL)
6094 (void) QueryColorCompliance(option,AllCompliance,&draw_info->fill,
6096 option=GetImageOption(draw_info->image_info,
"gravity");
6097 if (option != (
const char *) NULL)
6098 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
6099 MagickFalse,option);
6100 option=GetImageOption(draw_info->image_info,
"interline-spacing");
6101 if (option != (
const char *) NULL)
6102 draw_info->interline_spacing=GetDrawValue(option,&next_token);
6103 option=GetImageOption(draw_info->image_info,
"interword-spacing");
6104 if (option != (
const char *) NULL)
6105 draw_info->interword_spacing=GetDrawValue(option,&next_token);
6106 option=GetImageOption(draw_info->image_info,
"kerning");
6107 if (option != (
const char *) NULL)
6108 draw_info->kerning=GetDrawValue(option,&next_token);
6109 option=GetImageOption(draw_info->image_info,
"stroke");
6110 if (option != (
const char *) NULL)
6111 (void) QueryColorCompliance(option,AllCompliance,&draw_info->stroke,
6113 option=GetImageOption(draw_info->image_info,
"strokewidth");
6114 if (option != (
const char *) NULL)
6115 draw_info->stroke_width=GetDrawValue(option,&next_token);
6116 option=GetImageOption(draw_info->image_info,
"style");
6117 if (option != (
const char *) NULL)
6118 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6119 MagickFalse,option);
6120 option=GetImageOption(draw_info->image_info,
"undercolor");
6121 if (option != (
const char *) NULL)
6122 (void) QueryColorCompliance(option,AllCompliance,&draw_info->undercolor,
6124 option=GetImageOption(draw_info->image_info,
"weight");
6125 if (option != (
const char *) NULL)
6130 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6132 weight=(ssize_t) StringToUnsignedLong(option);
6133 draw_info->weight=(size_t) weight;
6135 option=GetImageOption(draw_info->image_info,
"word-break");
6136 if (option != (
const char *) NULL)
6137 draw_info->word_break=(WordBreakType) ParseCommandOption(
6138 MagickWordBreakOptions,MagickFalse,option);
6139 exception=DestroyExceptionInfo(exception);
6140 draw_info->signature=MagickCoreSignature;
6168static inline double Permutate(
const ssize_t n,
const ssize_t k)
6177 for (i=k+1; i <= n; i++)
6179 for (i=1; i <= (n-k); i++)
6207 center.x=0.5*(end.x+start.x);
6208 center.y=0.5*(end.y+start.y);
6209 radius.x=fabs(center.x-start.x);
6210 radius.y=fabs(center.y-start.y);
6211 return(TraceEllipse(mvg_info,center,radius,degrees));
6214static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6216 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6253 offset=mvg_info->offset;
6254 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6255 primitive_info->coordinates=0;
6256 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6257 (fabs(start.y-end.y) < MagickEpsilon))
6258 return(TracePoint(primitive_info,end));
6259 radii.x=fabs(arc.x);
6260 radii.y=fabs(arc.y);
6261 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6262 return(TraceLine(primitive_info,start,end));
6263 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6264 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6265 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6266 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6267 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6269 if (delta < MagickEpsilon)
6270 return(TraceLine(primitive_info,start,end));
6273 radii.x*=sqrt((
double) delta);
6274 radii.y*=sqrt((
double) delta);
6276 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6277 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6278 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6279 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6280 alpha=points[1].x-points[0].x;
6281 beta=points[1].y-points[0].y;
6282 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6283 return(TraceLine(primitive_info,start,end));
6284 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6289 factor=sqrt((
double) factor);
6290 if (sweep == large_arc)
6293 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6294 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6295 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6296 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6297 if ((theta < 0.0) && (sweep != MagickFalse))
6298 theta+=2.0*MagickPI;
6300 if ((theta > 0.0) && (sweep == MagickFalse))
6301 theta-=2.0*MagickPI;
6302 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6303 MagickPI+MagickEpsilon)))));
6306 for (i=0; i < (ssize_t) arc_segments; i++)
6308 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6309 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6310 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6311 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6312 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6313 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6314 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6315 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6316 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6317 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6318 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6319 theta/arc_segments),DegreesToRadians(360.0))));
6320 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6321 theta/arc_segments),DegreesToRadians(360.0))));
6322 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6323 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6324 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6325 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6326 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6327 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6328 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6330 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6332 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6334 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6336 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6338 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6340 if (i == (ssize_t) (arc_segments-1))
6342 status&=(MagickStatusType) TraceBezier(mvg_info,4);
6345 p=(*mvg_info->primitive_info)+mvg_info->offset;
6346 mvg_info->offset+=(ssize_t) p->coordinates;
6347 p+=(ssize_t) p->coordinates;
6350 return(MagickFalse);
6351 mvg_info->offset=offset;
6352 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6353 primitive_info->coordinates=(size_t) (p-primitive_info);
6354 primitive_info->closed_subpath=MagickFalse;
6355 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6357 p->primitive=primitive_info->primitive;
6363static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6364 const size_t number_coordinates)
6393 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6394 quantum=number_coordinates;
6395 for (i=0; i < (ssize_t) number_coordinates; i++)
6397 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6399 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6400 if (alpha > (
double) MAGICK_SSIZE_MAX)
6402 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6403 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6404 return(MagickFalse);
6406 if (alpha > (
double) quantum)
6407 quantum=(
size_t) alpha;
6408 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6409 if (alpha > (
double) MAGICK_SSIZE_MAX)
6411 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6412 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6413 return(MagickFalse);
6415 if (alpha > (
double) quantum)
6416 quantum=(
size_t) alpha;
6419 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6420 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6421 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6422 sizeof(*coefficients));
6423 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6425 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6428 points=(
PointInfo *) RelinquishMagickMemory(points);
6429 if (coefficients != (
double *) NULL)
6430 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6431 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6432 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6433 return(MagickFalse);
6435 control_points=quantum*number_coordinates;
6436 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6438 points=(
PointInfo *) RelinquishMagickMemory(points);
6439 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6440 return(MagickFalse);
6442 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6446 end=primitive_info[number_coordinates-1].point;
6447 for (i=0; i < (ssize_t) number_coordinates; i++)
6448 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6450 for (i=0; i < (ssize_t) control_points; i++)
6455 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6456 for (j=0; j < (ssize_t) number_coordinates; j++)
6458 point.x+=alpha*coefficients[j]*p->point.x;
6459 point.y+=alpha*coefficients[j]*p->point.y;
6460 alpha*=weight/(1.0-weight);
6464 weight+=1.0/control_points;
6470 for (i=0; i < (ssize_t) control_points; i++)
6472 if (TracePoint(p,points[i]) == MagickFalse)
6474 points=(
PointInfo *) RelinquishMagickMemory(points);
6475 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6476 return(MagickFalse);
6478 p+=(ssize_t) p->coordinates;
6480 if (TracePoint(p,end) == MagickFalse)
6482 points=(
PointInfo *) RelinquishMagickMemory(points);
6483 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6484 return(MagickFalse);
6486 p+=(ssize_t) p->coordinates;
6487 primitive_info->coordinates=(size_t) (p-primitive_info);
6488 primitive_info->closed_subpath=MagickFalse;
6489 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6491 p->primitive=primitive_info->primitive;
6494 points=(
PointInfo *) RelinquishMagickMemory(points);
6495 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6499static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6511 alpha=end.x-start.x;
6513 radius=hypot((
double) alpha,(
double) beta);
6514 offset.x=(double) radius;
6515 offset.y=(double) radius;
6518 return(TraceEllipse(mvg_info,start,offset,degrees));
6521static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6547 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6548 primitive_info->coordinates=0;
6549 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6551 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6553 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6554 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6555 angle.x=DegreesToRadians(arc.x);
6559 angle.y=DegreesToRadians(y);
6560 coordinates=ceil((angle.y-angle.x)/step+1.0);
6561 if (CheckPrimitiveExtent(mvg_info,coordinates+1) == MagickFalse)
6562 return(MagickFalse);
6564 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6565 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6567 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6568 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6569 if (i++ >= (ssize_t) coordinates)
6571 if (TracePoint(p,point) == MagickFalse)
6572 return(MagickFalse);
6573 p+=(ssize_t) p->coordinates;
6575 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6576 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6577 if (TracePoint(p,point) == MagickFalse)
6578 return(MagickFalse);
6579 p+=(ssize_t) p->coordinates;
6580 primitive_info->coordinates=(size_t) (p-primitive_info);
6581 primitive_info->closed_subpath=MagickFalse;
6582 x=fabs(primitive_info[0].point.x-
6583 primitive_info[primitive_info->coordinates-1].point.x);
6584 y=fabs(primitive_info[0].point.y-
6585 primitive_info[primitive_info->coordinates-1].point.y);
6586 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6587 primitive_info->closed_subpath=MagickTrue;
6588 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6590 p->primitive=primitive_info->primitive;
6596static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6599 if (TracePoint(primitive_info,start) == MagickFalse)
6600 return(MagickFalse);
6601 if (TracePoint(primitive_info+1,end) == MagickFalse)
6602 return(MagickFalse);
6603 (primitive_info+1)->primitive=primitive_info->primitive;
6604 primitive_info->coordinates=2;
6605 primitive_info->closed_subpath=MagickFalse;
6609static ssize_t TracePath(
MVGInfo *mvg_info,
const char *path,
6614 token[MagickPathExtent] =
"";
6632 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6655 subpath_offset=mvg_info->offset;
6656 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6659 number_coordinates=0;
6661 primitive_type=primitive_info->primitive;
6663 for (p=path; *p !=
'\0'; )
6665 if (status == MagickFalse)
6667 while (isspace((
int) ((
unsigned char) *p)) != 0)
6671 last_attribute=attribute;
6672 attribute=(int) (*p++);
6682 large_arc = MagickFalse,
6683 sweep = MagickFalse;
6693 (void) GetNextToken(p,&p,MagickPathExtent,token);
6695 (void) GetNextToken(p,&p,MagickPathExtent,token);
6696 arc.x=GetDrawValue(token,&next_token);
6697 if (token == next_token)
6698 ThrowPointExpectedException(token,exception);
6699 (void) GetNextToken(p,&p,MagickPathExtent,token);
6701 (void) GetNextToken(p,&p,MagickPathExtent,token);
6702 arc.y=GetDrawValue(token,&next_token);
6703 if (token == next_token)
6704 ThrowPointExpectedException(token,exception);
6705 (void) GetNextToken(p,&p,MagickPathExtent,token);
6707 (void) GetNextToken(p,&p,MagickPathExtent,token);
6708 angle=GetDrawValue(token,&next_token);
6709 if (token == next_token)
6710 ThrowPointExpectedException(token,exception);
6711 (void) GetNextToken(p,&p,MagickPathExtent,token);
6713 (void) GetNextToken(p,&p,MagickPathExtent,token);
6714 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6715 (void) GetNextToken(p,&p,MagickPathExtent,token);
6717 (void) GetNextToken(p,&p,MagickPathExtent,token);
6718 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6720 (void) GetNextToken(p,&p,MagickPathExtent,token);
6721 (void) GetNextToken(p,&p,MagickPathExtent,token);
6723 (void) GetNextToken(p,&p,MagickPathExtent,token);
6724 x=GetDrawValue(token,&next_token);
6725 if (token == next_token)
6726 ThrowPointExpectedException(token,exception);
6727 (void) GetNextToken(p,&p,MagickPathExtent,token);
6729 (void) GetNextToken(p,&p,MagickPathExtent,token);
6730 y=GetDrawValue(token,&next_token);
6731 if (token == next_token)
6732 ThrowPointExpectedException(token,exception);
6733 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6734 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6735 if (TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep) == MagickFalse)
6737 q=(*mvg_info->primitive_info)+mvg_info->offset;
6738 mvg_info->offset+=(ssize_t) q->coordinates;
6739 q+=(ssize_t) q->coordinates;
6741 while (isspace((
int) ((
unsigned char) *p)) != 0)
6745 }
while (IsPoint(p) != MagickFalse);
6757 for (i=1; i < 4; i++)
6759 (void) GetNextToken(p,&p,MagickPathExtent,token);
6761 (void) GetNextToken(p,&p,MagickPathExtent,token);
6762 x=GetDrawValue(token,&next_token);
6763 if (token == next_token)
6764 ThrowPointExpectedException(token,exception);
6765 (void) GetNextToken(p,&p,MagickPathExtent,token);
6767 (void) GetNextToken(p,&p,MagickPathExtent,token);
6768 y=GetDrawValue(token,&next_token);
6769 if (token == next_token)
6770 ThrowPointExpectedException(token,exception);
6771 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6772 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6775 for (i=0; i < 4; i++)
6776 (q+i)->point=points[i];
6777 if (TraceBezier(mvg_info,4) == MagickFalse)
6779 q=(*mvg_info->primitive_info)+mvg_info->offset;
6780 mvg_info->offset+=(ssize_t) q->coordinates;
6781 q+=(ssize_t) q->coordinates;
6783 while (isspace((
int) ((
unsigned char) *p)) != 0)
6787 }
while (IsPoint(p) != MagickFalse);
6795 (void) GetNextToken(p,&p,MagickPathExtent,token);
6797 (void) GetNextToken(p,&p,MagickPathExtent,token);
6798 x=GetDrawValue(token,&next_token);
6799 if (token == next_token)
6800 ThrowPointExpectedException(token,exception);
6801 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6802 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6804 q=(*mvg_info->primitive_info)+mvg_info->offset;
6805 if (TracePoint(q,point) == MagickFalse)
6807 mvg_info->offset+=(ssize_t) q->coordinates;
6808 q+=(ssize_t) q->coordinates;
6809 while (isspace((
int) ((
unsigned char) *p)) != 0)
6813 }
while (IsPoint(p) != MagickFalse);
6824 (void) GetNextToken(p,&p,MagickPathExtent,token);
6826 (void) GetNextToken(p,&p,MagickPathExtent,token);
6827 x=GetDrawValue(token,&next_token);
6828 if (token == next_token)
6829 ThrowPointExpectedException(token,exception);
6830 (void) GetNextToken(p,&p,MagickPathExtent,token);
6832 (void) GetNextToken(p,&p,MagickPathExtent,token);
6833 y=GetDrawValue(token,&next_token);
6834 if (token == next_token)
6835 ThrowPointExpectedException(token,exception);
6836 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6837 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6838 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6840 q=(*mvg_info->primitive_info)+mvg_info->offset;
6841 if (TracePoint(q,point) == MagickFalse)
6843 mvg_info->offset+=(ssize_t) q->coordinates;
6844 q+=(ssize_t) q->coordinates;
6845 while (isspace((
int) ((
unsigned char) *p)) != 0)
6849 }
while (IsPoint(p) != MagickFalse);
6858 if (mvg_info->offset != subpath_offset)
6860 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6861 primitive_info->coordinates=(size_t) (q-primitive_info);
6862 number_coordinates+=primitive_info->coordinates;
6864 subpath_offset=mvg_info->offset;
6869 (void) GetNextToken(p,&p,MagickPathExtent,token);
6871 (void) GetNextToken(p,&p,MagickPathExtent,token);
6872 x=GetDrawValue(token,&next_token);
6873 if (token == next_token)
6874 ThrowPointExpectedException(token,exception);
6875 (void) GetNextToken(p,&p,MagickPathExtent,token);
6877 (void) GetNextToken(p,&p,MagickPathExtent,token);
6878 y=GetDrawValue(token,&next_token);
6879 if (token == next_token)
6880 ThrowPointExpectedException(token,exception);
6881 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6882 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6886 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6888 q=(*mvg_info->primitive_info)+mvg_info->offset;
6889 if (TracePoint(q,point) == MagickFalse)
6891 mvg_info->offset+=(ssize_t) q->coordinates;
6892 q+=(ssize_t) q->coordinates;
6893 while (isspace((
int) ((
unsigned char) *p)) != 0)
6897 }
while (IsPoint(p) != MagickFalse);
6909 for (i=1; i < 3; i++)
6911 (void) GetNextToken(p,&p,MagickPathExtent,token);
6913 (void) GetNextToken(p,&p,MagickPathExtent,token);
6914 x=GetDrawValue(token,&next_token);
6915 if (token == next_token)
6916 ThrowPointExpectedException(token,exception);
6917 (void) GetNextToken(p,&p,MagickPathExtent,token);
6919 (void) GetNextToken(p,&p,MagickPathExtent,token);
6920 y=GetDrawValue(token,&next_token);
6921 if (token == next_token)
6922 ThrowPointExpectedException(token,exception);
6925 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6926 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6929 for (i=0; i < 3; i++)
6930 (q+i)->point=points[i];
6931 if (TraceBezier(mvg_info,3) == MagickFalse)
6933 q=(*mvg_info->primitive_info)+mvg_info->offset;
6934 mvg_info->offset+=(ssize_t) q->coordinates;
6935 q+=(ssize_t) q->coordinates;
6937 while (isspace((
int) ((
unsigned char) *p)) != 0)
6941 }
while (IsPoint(p) != MagickFalse);
6952 points[0]=points[3];
6953 points[1].x=2.0*points[3].x-points[2].x;
6954 points[1].y=2.0*points[3].y-points[2].y;
6955 for (i=2; i < 4; i++)
6957 (void) GetNextToken(p,&p,MagickPathExtent,token);
6959 (void) GetNextToken(p,&p,MagickPathExtent,token);
6960 x=GetDrawValue(token,&next_token);
6961 if (token == next_token)
6962 ThrowPointExpectedException(token,exception);
6963 (void) GetNextToken(p,&p,MagickPathExtent,token);
6965 (void) GetNextToken(p,&p,MagickPathExtent,token);
6966 y=GetDrawValue(token,&next_token);
6967 if (token == next_token)
6968 ThrowPointExpectedException(token,exception);
6971 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6972 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6975 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6980 for (i=0; i < 4; i++)
6981 (q+i)->point=points[i];
6982 if (TraceBezier(mvg_info,4) == MagickFalse)
6984 q=(*mvg_info->primitive_info)+mvg_info->offset;
6985 mvg_info->offset+=(ssize_t) q->coordinates;
6986 q+=(ssize_t) q->coordinates;
6988 last_attribute=attribute;
6989 while (isspace((
int) ((
unsigned char) *p)) != 0)
6993 }
while (IsPoint(p) != MagickFalse);
7004 points[0]=points[2];
7005 points[1].x=2.0*points[2].x-points[1].x;
7006 points[1].y=2.0*points[2].y-points[1].y;
7007 for (i=2; i < 3; i++)
7009 (void) GetNextToken(p,&p,MagickPathExtent,token);
7011 (void) GetNextToken(p,&p,MagickPathExtent,token);
7012 x=GetDrawValue(token,&next_token);
7013 if (token == next_token)
7014 ThrowPointExpectedException(token,exception);
7015 (void) GetNextToken(p,&p,MagickPathExtent,token);
7017 (void) GetNextToken(p,&p,MagickPathExtent,token);
7018 y=GetDrawValue(token,&next_token);
7019 if (token == next_token)
7020 ThrowPointExpectedException(token,exception);
7021 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
7022 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
7025 if (status == MagickFalse)
7027 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
7032 for (i=0; i < 3; i++)
7033 (q+i)->point=points[i];
7034 if (TraceBezier(mvg_info,3) == MagickFalse)
7036 q=(*mvg_info->primitive_info)+mvg_info->offset;
7037 mvg_info->offset+=(ssize_t) q->coordinates;
7038 q+=(ssize_t) q->coordinates;
7040 last_attribute=attribute;
7041 while (isspace((
int) ((
unsigned char) *p)) != 0)
7045 }
while (IsPoint(p) != MagickFalse);
7056 (void) GetNextToken(p,&p,MagickPathExtent,token);
7058 (void) GetNextToken(p,&p,MagickPathExtent,token);
7059 y=GetDrawValue(token,&next_token);
7060 if (token == next_token)
7061 ThrowPointExpectedException(token,exception);
7062 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
7063 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7065 q=(*mvg_info->primitive_info)+mvg_info->offset;
7066 if (TracePoint(q,point) == MagickFalse)
7068 mvg_info->offset+=(ssize_t) q->coordinates;
7069 q+=(ssize_t) q->coordinates;
7070 while (isspace((
int) ((
unsigned char) *p)) != 0)
7074 }
while (IsPoint(p) != MagickFalse);
7084 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7086 q=(*mvg_info->primitive_info)+mvg_info->offset;
7087 if (TracePoint(q,point) == MagickFalse)
7089 mvg_info->offset+=(ssize_t) q->coordinates;
7090 q+=(ssize_t) q->coordinates;
7091 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7092 primitive_info->coordinates=(size_t) (q-primitive_info);
7093 primitive_info->closed_subpath=MagickTrue;
7094 number_coordinates+=primitive_info->coordinates;
7096 subpath_offset=mvg_info->offset;
7102 ThrowPointExpectedException(token,exception);
7107 if (status == MagickFalse)
7109 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7110 primitive_info->coordinates=(size_t) (q-primitive_info);
7111 number_coordinates+=primitive_info->coordinates;
7112 for (i=0; i < (ssize_t) number_coordinates; i++)
7115 q->primitive=primitive_type;
7117 q->method=FillToBorderMethod;
7120 return((ssize_t) number_coordinates);
7123static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7136 if (TracePoint(p,start) == MagickFalse)
7137 return(MagickFalse);
7138 p+=(ssize_t) p->coordinates;
7141 if (TracePoint(p,point) == MagickFalse)
7142 return(MagickFalse);
7143 p+=(ssize_t) p->coordinates;
7144 if (TracePoint(p,end) == MagickFalse)
7145 return(MagickFalse);
7146 p+=(ssize_t) p->coordinates;
7149 if (TracePoint(p,point) == MagickFalse)
7150 return(MagickFalse);
7151 p+=(ssize_t) p->coordinates;
7152 if (TracePoint(p,start) == MagickFalse)
7153 return(MagickFalse);
7154 p+=(ssize_t) p->coordinates;
7155 primitive_info->coordinates=(size_t) (p-primitive_info);
7156 primitive_info->closed_subpath=MagickTrue;
7157 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7159 p->primitive=primitive_info->primitive;
7165static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7185 offset=mvg_info->offset;
7186 segment.x=fabs(end.x-start.x);
7187 segment.y=fabs(end.y-start.y);
7188 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7190 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7193 if (arc.x > (0.5*segment.x))
7194 arc.x=0.5*segment.x;
7195 if (arc.y > (0.5*segment.y))
7196 arc.y=0.5*segment.y;
7197 point.x=start.x+segment.x-arc.x;
7198 point.y=start.y+arc.y;
7201 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7202 return(MagickFalse);
7203 p=(*mvg_info->primitive_info)+mvg_info->offset;
7204 mvg_info->offset+=(ssize_t) p->coordinates;
7205 point.x=start.x+segment.x-arc.x;
7206 point.y=start.y+segment.y-arc.y;
7209 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7210 return(MagickFalse);
7211 p=(*mvg_info->primitive_info)+mvg_info->offset;
7212 mvg_info->offset+=(ssize_t) p->coordinates;
7213 point.x=start.x+arc.x;
7214 point.y=start.y+segment.y-arc.y;
7217 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7218 return(MagickFalse);
7219 p=(*mvg_info->primitive_info)+mvg_info->offset;
7220 mvg_info->offset+=(ssize_t) p->coordinates;
7221 point.x=start.x+arc.x;
7222 point.y=start.y+arc.y;
7225 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7226 return(MagickFalse);
7227 p=(*mvg_info->primitive_info)+mvg_info->offset;
7228 mvg_info->offset+=(ssize_t) p->coordinates;
7229 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7230 return(MagickFalse);
7231 p=(*mvg_info->primitive_info)+mvg_info->offset;
7232 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7233 return(MagickFalse);
7234 p+=(ssize_t) p->coordinates;
7235 mvg_info->offset=offset;
7236 primitive_info=(*mvg_info->primitive_info)+offset;
7237 primitive_info->coordinates=(size_t) (p-primitive_info);
7238 primitive_info->closed_subpath=MagickTrue;
7239 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7241 p->primitive=primitive_info->primitive;
7247static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7248 const size_t number_vertices,
const double offset)
7265 for (i=1; i < (ssize_t) number_vertices; i++)
7267 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7268 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7269 if ((fabs((
double) dx) >= MagickEpsilon) ||
7270 (fabs((
double) dy) >= MagickEpsilon))
7273 if (i == (ssize_t) number_vertices)
7274 i=(ssize_t) number_vertices-1L;
7275 distance=hypot((
double) dx,(
double) dy);
7276 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7277 dx*(distance+offset)/distance);
7278 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7279 dy*(distance+offset)/distance);
7280 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7282 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7283 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7284 if ((fabs((
double) dx) >= MagickEpsilon) ||
7285 (fabs((
double) dy) >= MagickEpsilon))
7288 distance=hypot((
double) dx,(
double) dy);
7289 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7290 dx*(distance+offset)/distance);
7291 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7292 dy*(distance+offset)/distance);
7299#define MaxStrokePad (6*BezierQuantum+360)
7300#define CheckPathExtent(pad_p,pad_q) \
7302 if ((pad_p) > MaxBezierCoordinates) \
7303 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7305 if ((p+(ssize_t) (pad_p)) >= (ssize_t) extent_p) \
7307 if (~extent_p < (pad_p)) \
7308 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7311 extent_p+=(pad_p); \
7312 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7313 MaxStrokePad,sizeof(*stroke_p)); \
7316 if ((pad_q) > MaxBezierCoordinates) \
7317 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7319 if ((q+(ssize_t) (pad_q)) >= (ssize_t) extent_q) \
7321 if (~extent_q < (pad_q)) \
7322 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7325 extent_q+=(pad_q); \
7326 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7327 MaxStrokePad,sizeof(*stroke_q)); \
7330 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7332 if (stroke_p != (PointInfo *) NULL) \
7333 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7334 if (stroke_q != (PointInfo *) NULL) \
7335 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7336 polygon_primitive=(PrimitiveInfo *) \
7337 RelinquishMagickMemory(polygon_primitive); \
7338 (void) ThrowMagickException(exception,GetMagickModule(), \
7339 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7340 return((PrimitiveInfo *) NULL); \
7344 typedef struct _StrokeSegment
7390 inverse_slope = {0.0, 0.0},
7397 number_vertices=primitive_info->coordinates;
7398 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7399 number_vertices+2UL,
sizeof(*polygon_primitive));
7402 (void) ThrowMagickException(exception,GetMagickModule(),
7403 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7406 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7407 sizeof(*polygon_primitive));
7408 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7409 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7410 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7411 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7412 if (((draw_info->linejoin == RoundJoin) ||
7413 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7415 polygon_primitive[number_vertices]=primitive_info[1];
7418 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7424 for (n=1; n < (ssize_t) number_vertices; n++)
7426 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7427 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7428 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7431 if (n == (ssize_t) number_vertices)
7433 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7439 sizeof(*stroke_polygon));
7440 stroke_polygon[0]=polygon_primitive[0];
7441 stroke_polygon[0].coordinates=0;
7444 return(stroke_polygon);
7446 n=(ssize_t) number_vertices-1L;
7448 extent_p=2*number_vertices;
7449 extent_q=2*number_vertices;
7450 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7452 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7457 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7459 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7461 RelinquishMagickMemory(polygon_primitive);
7462 (void) ThrowMagickException(exception,GetMagickModule(),
7463 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7467 inverse_slope.p=0.0;
7468 if (fabs(dx.p) < MagickEpsilon)
7471 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7473 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7476 if (fabs(dy.p) < MagickEpsilon)
7479 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7481 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7486 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7488 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7489 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7490 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7491 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7492 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7493 offset.y=(double) (offset.x*inverse_slope.p);
7494 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7496 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7497 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7498 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7499 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7500 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7501 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7502 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7503 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7507 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7508 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7509 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7510 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7511 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7512 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7513 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7514 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7521 stroke_q[p++]=box_q[0];
7522 stroke_p[q++]=box_p[0];
7523 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7528 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7529 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7530 dot_product=dx.q*dx.q+dy.q*dy.q;
7531 if (dot_product < 0.25)
7534 inverse_slope.q=0.0;
7535 if (fabs(dx.q) < MagickEpsilon)
7538 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7540 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7543 if (fabs(dy.q) < MagickEpsilon)
7546 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7548 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7553 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7555 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7556 offset.y=(double) (offset.x*inverse_slope.q);
7557 dot_product=dy.q*offset.x-dx.q*offset.y;
7558 if (dot_product > 0.0)
7560 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7561 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7562 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7563 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7564 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7565 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7566 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7567 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7571 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7572 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7573 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7574 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7575 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7576 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7577 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7578 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7580 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7587 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7588 box_p[3].y)/(slope.p-slope.q));
7589 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7590 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7591 box_q[3].y)/(slope.p-slope.q));
7592 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7594 DisableMSCWarning(4127)
7595 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7597 dot_product=dx.q*dy.p-dx.p*dy.q;
7598 if (dot_product <= 0.0)
7599 switch (draw_info->linejoin)
7603 stroke_q[q++]=box_q[1];
7604 stroke_q[q++]=box_q[2];
7605 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7606 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7607 if (dot_product <= miterlimit)
7608 stroke_p[p++]=box_p[4];
7611 stroke_p[p++]=box_p[1];
7612 stroke_p[p++]=box_p[2];
7618 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7619 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7620 if (dot_product <= miterlimit)
7622 stroke_q[q++]=box_q[4];
7623 stroke_p[p++]=box_p[4];
7627 stroke_q[q++]=box_q[1];
7628 stroke_q[q++]=box_q[2];
7629 stroke_p[p++]=box_p[1];
7630 stroke_p[p++]=box_p[2];
7636 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7637 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7638 if (dot_product <= miterlimit)
7639 stroke_p[p++]=box_p[4];
7642 stroke_p[p++]=box_p[1];
7643 stroke_p[p++]=box_p[2];
7645 center=polygon_primitive[n].point;
7646 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7647 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7648 if (theta.q < theta.p)
7649 theta.q+=2.0*MagickPI;
7650 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7651 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7652 DisableMSCWarning(4127)
7653 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7655 stroke_q[q].x=box_q[1].x;
7656 stroke_q[q].y=box_q[1].y;
7658 for (j=1; j < (ssize_t) arc_segments; j++)
7660 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7661 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7662 (theta.p+delta_theta),DegreesToRadians(360.0))));
7663 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7664 (theta.p+delta_theta),DegreesToRadians(360.0))));
7667 stroke_q[q++]=box_q[2];
7674 switch (draw_info->linejoin)
7678 stroke_p[p++]=box_p[1];
7679 stroke_p[p++]=box_p[2];
7680 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7681 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7682 if (dot_product <= miterlimit)
7683 stroke_q[q++]=box_q[4];
7686 stroke_q[q++]=box_q[1];
7687 stroke_q[q++]=box_q[2];
7693 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7694 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7695 if (dot_product <= miterlimit)
7697 stroke_q[q++]=box_q[4];
7698 stroke_p[p++]=box_p[4];
7702 stroke_q[q++]=box_q[1];
7703 stroke_q[q++]=box_q[2];
7704 stroke_p[p++]=box_p[1];
7705 stroke_p[p++]=box_p[2];
7711 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7712 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7713 if (dot_product <= miterlimit)
7714 stroke_q[q++]=box_q[4];
7717 stroke_q[q++]=box_q[1];
7718 stroke_q[q++]=box_q[2];
7720 center=polygon_primitive[n].point;
7721 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7722 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7723 if (theta.p < theta.q)
7724 theta.p+=2.0*MagickPI;
7725 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7726 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7727 DisableMSCWarning(4127)
7728 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7730 stroke_p[p++]=box_p[1];
7731 for (j=1; j < (ssize_t) arc_segments; j++)
7733 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7734 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7735 (theta.p+delta_theta),DegreesToRadians(360.0))));
7736 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7737 (theta.p+delta_theta),DegreesToRadians(360.0))));
7740 stroke_p[p++]=box_p[2];
7747 inverse_slope.p=inverse_slope.q;
7756 stroke_p[p++]=box_p[1];
7757 stroke_q[q++]=box_q[1];
7761 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7762 (p+q+2L*closed_path+2L),
sizeof(*stroke_polygon));
7765 (void) ThrowMagickException(exception,GetMagickModule(),
7766 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7767 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7768 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7771 return(stroke_polygon);
7773 for (i=0; i < (ssize_t) p; i++)
7775 stroke_polygon[i]=polygon_primitive[0];
7776 stroke_polygon[i].point=stroke_p[i];
7778 if (closed_path != MagickFalse)
7780 stroke_polygon[i]=polygon_primitive[0];
7781 stroke_polygon[i].point=stroke_polygon[0].point;
7784 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7786 stroke_polygon[i]=polygon_primitive[0];
7787 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7789 if (closed_path != MagickFalse)
7791 stroke_polygon[i]=polygon_primitive[0];
7792 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7795 stroke_polygon[i]=polygon_primitive[0];
7796 stroke_polygon[i].point=stroke_polygon[0].point;
7798 stroke_polygon[i].primitive=UndefinedPrimitive;
7799 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7800 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7801 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7802 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7803 return(stroke_polygon);