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/memory-private.h"
72 #include "MagickCore/monitor.h"
73 #include "MagickCore/monitor-private.h"
74 #include "MagickCore/option.h"
75 #include "MagickCore/paint.h"
76 #include "MagickCore/pixel-accessor.h"
77 #include "MagickCore/property.h"
78 #include "MagickCore/resample.h"
79 #include "MagickCore/resample-private.h"
80 #include "MagickCore/resource_.h"
81 #include "MagickCore/splay-tree.h"
82 #include "MagickCore/string_.h"
83 #include "MagickCore/string-private.h"
84 #include "MagickCore/thread-private.h"
85 #include "MagickCore/token.h"
86 #include "MagickCore/transform-private.h"
87 #include "MagickCore/utility.h"
92 #define BezierQuantum 200
93 #define PrimitiveExtentPad 4296.0
94 #define MaxBezierCoordinates 67108864
95 #define ThrowPointExpectedException(token,exception) \
97 (void) ThrowMagickException(exception,GetMagickModule(),DrawError, \
98 "NonconformingDrawingPrimitiveDefinition","`%s'",token); \
189 *DrawClippingMask(
Image *,
const DrawInfo *,
const char *,
const char *,
192 static MagickBooleanType
198 const double,
const MagickBooleanType,
const MagickBooleanType),
199 TraceBezier(
MVGInfo *,
const size_t),
205 TraceSquareLinecap(
PrimitiveInfo *,
const size_t,
const double);
231 MagickExport
DrawInfo *AcquireDrawInfo(
void)
236 draw_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*draw_info));
237 GetDrawInfo((
ImageInfo *) NULL,draw_info);
277 clone_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*clone_info));
278 GetDrawInfo(image_info,clone_info);
281 exception=AcquireExceptionInfo();
282 if (draw_info->id != (
char *) NULL)
283 (void) CloneString(&clone_info->id,draw_info->id);
284 if (draw_info->primitive != (
char *) NULL)
285 (
void) CloneString(&clone_info->primitive,draw_info->primitive);
286 if (draw_info->geometry != (
char *) NULL)
287 (void) CloneString(&clone_info->geometry,draw_info->geometry);
288 clone_info->compliance=draw_info->compliance;
289 clone_info->viewbox=draw_info->viewbox;
290 clone_info->affine=draw_info->affine;
291 clone_info->gravity=draw_info->gravity;
292 clone_info->fill=draw_info->fill;
293 clone_info->stroke=draw_info->stroke;
294 clone_info->stroke_width=draw_info->stroke_width;
295 if (draw_info->fill_pattern != (
Image *) NULL)
296 clone_info->fill_pattern=CloneImage(draw_info->fill_pattern,0,0,MagickTrue,
298 if (draw_info->stroke_pattern != (
Image *) NULL)
299 clone_info->stroke_pattern=CloneImage(draw_info->stroke_pattern,0,0,
300 MagickTrue,exception);
301 clone_info->stroke_antialias=draw_info->stroke_antialias;
302 clone_info->text_antialias=draw_info->text_antialias;
303 clone_info->fill_rule=draw_info->fill_rule;
304 clone_info->linecap=draw_info->linecap;
305 clone_info->linejoin=draw_info->linejoin;
306 clone_info->miterlimit=draw_info->miterlimit;
307 clone_info->dash_offset=draw_info->dash_offset;
308 clone_info->decorate=draw_info->decorate;
309 clone_info->compose=draw_info->compose;
310 if (draw_info->text != (
char *) NULL)
311 (
void) CloneString(&clone_info->text,draw_info->text);
312 if (draw_info->font != (
char *) NULL)
313 (void) CloneString(&clone_info->font,draw_info->font);
314 if (draw_info->metrics != (
char *) NULL)
315 (
void) CloneString(&clone_info->metrics,draw_info->metrics);
316 if (draw_info->family != (
char *) NULL)
317 (void) CloneString(&clone_info->family,draw_info->family);
318 clone_info->style=draw_info->style;
319 clone_info->stretch=draw_info->stretch;
320 clone_info->weight=draw_info->weight;
321 if (draw_info->encoding != (
char *) NULL)
322 (
void) CloneString(&clone_info->encoding,draw_info->encoding);
323 clone_info->pointsize=draw_info->pointsize;
324 clone_info->kerning=draw_info->kerning;
325 clone_info->interline_spacing=draw_info->interline_spacing;
326 clone_info->interword_spacing=draw_info->interword_spacing;
327 clone_info->direction=draw_info->direction;
328 if (draw_info->density != (
char *) NULL)
329 (void) CloneString(&clone_info->density,draw_info->density);
330 clone_info->align=draw_info->align;
331 clone_info->undercolor=draw_info->undercolor;
332 clone_info->border_color=draw_info->border_color;
333 if (draw_info->server_name != (
char *) NULL)
334 (
void) CloneString(&clone_info->server_name,draw_info->server_name);
335 if (draw_info->dash_pattern != (
double *) NULL)
340 for (x=0; fabs(draw_info->dash_pattern[x]) >= MagickEpsilon; x++) ;
341 clone_info->dash_pattern=(
double *) AcquireQuantumMemory((
size_t) (2*x+2),
342 sizeof(*clone_info->dash_pattern));
343 if (clone_info->dash_pattern == (
double *) NULL)
344 ThrowFatalException(ResourceLimitFatalError,
345 "UnableToAllocateDashPattern");
346 (void) memset(clone_info->dash_pattern,0,(
size_t) (2*x+2)*
347 sizeof(*clone_info->dash_pattern));
348 (void) memcpy(clone_info->dash_pattern,draw_info->dash_pattern,(
size_t)
349 (x+1)*
sizeof(*clone_info->dash_pattern));
351 clone_info->gradient=draw_info->gradient;
352 if (draw_info->gradient.stops != (
StopInfo *) NULL)
357 number_stops=clone_info->gradient.number_stops;
358 clone_info->gradient.stops=(
StopInfo *) AcquireQuantumMemory((
size_t)
359 number_stops,
sizeof(*clone_info->gradient.stops));
360 if (clone_info->gradient.stops == (
StopInfo *) NULL)
361 ThrowFatalException(ResourceLimitFatalError,
362 "UnableToAllocateDashPattern");
363 (void) memcpy(clone_info->gradient.stops,draw_info->gradient.stops,
364 (
size_t) number_stops*
sizeof(*clone_info->gradient.stops));
366 clone_info->bounds=draw_info->bounds;
367 clone_info->fill_alpha=draw_info->fill_alpha;
368 clone_info->stroke_alpha=draw_info->stroke_alpha;
369 clone_info->element_reference=draw_info->element_reference;
370 clone_info->clip_path=draw_info->clip_path;
371 clone_info->clip_units=draw_info->clip_units;
372 if (draw_info->clip_mask != (
char *) NULL)
373 (
void) CloneString(&clone_info->clip_mask,draw_info->clip_mask);
374 if (draw_info->clipping_mask != (
Image *) NULL)
375 clone_info->clipping_mask=CloneImage(draw_info->clipping_mask,0,0,
376 MagickTrue,exception);
377 if (draw_info->composite_mask != (
Image *) NULL)
378 clone_info->composite_mask=CloneImage(draw_info->composite_mask,0,0,
379 MagickTrue,exception);
380 clone_info->render=draw_info->render;
381 clone_info->debug=draw_info->debug;
382 exception=DestroyExceptionInfo(exception);
422 if (polygon_info->edges != (
EdgeInfo *) NULL)
424 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
425 if (polygon_info->edges[i].points != (
PointInfo *) NULL)
426 polygon_info->edges[i].points=(
PointInfo *)
427 RelinquishMagickMemory(polygon_info->edges[i].points);
428 polygon_info->edges=(
EdgeInfo *) RelinquishMagickMemory(
429 polygon_info->edges);
431 return((
PolygonInfo *) RelinquishMagickMemory(polygon_info));
433 #if defined(__cplusplus) || defined(c_plusplus)
437 static int DrawCompareEdges(
const void *p_edge,
const void *q_edge)
439 #define DrawCompareEdge(p,q) \
441 if (((p)-(q)) < 0.0) \
443 if (((p)-(q)) > 0.0) \
454 p=((
const EdgeInfo *) p_edge)->points;
455 q=((
const EdgeInfo *) q_edge)->points;
456 DrawCompareEdge(p[0].y,q[0].y);
457 DrawCompareEdge(p[0].x,q[0].x);
458 DrawCompareEdge((p[1].x-p[0].x)*(q[1].y-q[0].y),(p[1].y-p[0].y)*
460 DrawCompareEdge(p[1].y,q[1].y);
461 DrawCompareEdge(p[1].x,q[1].x);
465 #if defined(__cplusplus) || defined(c_plusplus)
469 static void LogPolygonInfo(
const PolygonInfo *polygon_info)
478 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin active-edge");
479 p=polygon_info->edges;
480 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
482 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" edge %.20g:",
484 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" direction: %s",
485 p->direction != MagickFalse ?
"down" :
"up");
486 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" ghostline: %s",
487 p->ghostline != MagickFalse ?
"transparent" :
"opaque");
488 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
489 " bounds: %g,%g - %g,%g",p->bounds.x1,p->bounds.y1,
490 p->bounds.x2,p->bounds.y2);
491 for (j=0; j < (ssize_t) p->number_points; j++)
492 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %g,%g",
493 p->points[j].x,p->points[j].y);
496 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end active-edge");
499 static void ReversePoints(
PointInfo *points,
const size_t number_points)
507 for (i=0; i < (ssize_t) (number_points >> 1); i++)
510 points[i]=points[number_points-(i+1)];
511 points[number_points-(i+1)]=point;
547 polygon_info=(
PolygonInfo *) AcquireMagickMemory(
sizeof(*polygon_info));
550 (void) ThrowMagickException(exception,GetMagickModule(),
551 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
555 polygon_info->edges=(
EdgeInfo *) AcquireQuantumMemory(number_edges,
556 sizeof(*polygon_info->edges));
557 if (polygon_info->edges == (
EdgeInfo *) NULL)
559 (void) ThrowMagickException(exception,GetMagickModule(),
560 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
561 return(DestroyPolygonInfo(polygon_info));
563 (void) memset(polygon_info->edges,0,number_edges*
564 sizeof(*polygon_info->edges));
567 ghostline=MagickFalse;
571 (void) memset(&point,0,
sizeof(point));
572 (void) memset(&bounds,0,
sizeof(bounds));
573 polygon_info->edges[edge].number_points=(size_t) n;
574 polygon_info->edges[edge].scanline=0.0;
575 polygon_info->edges[edge].highwater=0;
576 polygon_info->edges[edge].ghostline=ghostline;
577 polygon_info->edges[edge].direction=(ssize_t) direction;
578 polygon_info->edges[edge].points=points;
579 polygon_info->edges[edge].bounds=bounds;
580 polygon_info->number_edges=0;
581 for (i=0; path_info[i].code != EndCode; i++)
583 if ((path_info[i].code == MoveToCode) || (path_info[i].code == OpenCode) ||
584 (path_info[i].code == GhostlineCode))
589 if ((points != (
PointInfo *) NULL) && (n >= 2))
591 if (edge == number_edges)
594 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
595 polygon_info->edges,(
size_t) number_edges,
596 sizeof(*polygon_info->edges));
597 if (polygon_info->edges == (
EdgeInfo *) NULL)
599 (void) ThrowMagickException(exception,GetMagickModule(),
600 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
601 points=(
PointInfo *) RelinquishMagickMemory(points);
602 return(DestroyPolygonInfo(polygon_info));
605 polygon_info->edges[edge].number_points=(size_t) n;
606 polygon_info->edges[edge].scanline=(-1.0);
607 polygon_info->edges[edge].highwater=0;
608 polygon_info->edges[edge].ghostline=ghostline;
609 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
611 ReversePoints(points,(
size_t) n);
612 polygon_info->edges[edge].points=points;
613 polygon_info->edges[edge].bounds=bounds;
614 polygon_info->edges[edge].bounds.y1=points[0].y;
615 polygon_info->edges[edge].bounds.y2=points[n-1].y;
617 ghostline=MagickFalse;
619 polygon_info->number_edges=edge;
624 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
628 (void) ThrowMagickException(exception,GetMagickModule(),
629 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
630 return(DestroyPolygonInfo(polygon_info));
633 ghostline=path_info[i].code == GhostlineCode ? MagickTrue : MagickFalse;
634 point=path_info[i].point;
645 next_direction=((path_info[i].point.y > point.y) ||
646 ((fabs(path_info[i].point.y-point.y) < MagickEpsilon) &&
647 (path_info[i].point.x > point.x))) ? 1 : -1;
648 if ((points != (
PointInfo *) NULL) && (direction != 0) &&
649 (direction != next_direction))
655 if (edge == number_edges)
658 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
659 polygon_info->edges,(
size_t) number_edges,
660 sizeof(*polygon_info->edges));
661 if (polygon_info->edges == (
EdgeInfo *) NULL)
663 (void) ThrowMagickException(exception,GetMagickModule(),
664 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
665 points=(
PointInfo *) RelinquishMagickMemory(points);
666 return(DestroyPolygonInfo(polygon_info));
669 polygon_info->edges[edge].number_points=(size_t) n;
670 polygon_info->edges[edge].scanline=(-1.0);
671 polygon_info->edges[edge].highwater=0;
672 polygon_info->edges[edge].ghostline=ghostline;
673 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
675 ReversePoints(points,(
size_t) n);
676 polygon_info->edges[edge].points=points;
677 polygon_info->edges[edge].bounds=bounds;
678 polygon_info->edges[edge].bounds.y1=points[0].y;
679 polygon_info->edges[edge].bounds.y2=points[n-1].y;
680 polygon_info->number_edges=edge+1;
683 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
687 (void) ThrowMagickException(exception,GetMagickModule(),
688 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
689 return(DestroyPolygonInfo(polygon_info));
692 ghostline=MagickFalse;
698 direction=next_direction;
701 if (n == (ssize_t) number_points)
704 points=(
PointInfo *) ResizeQuantumMemory(points,(
size_t) number_points,
708 (void) ThrowMagickException(exception,GetMagickModule(),
709 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
710 return(DestroyPolygonInfo(polygon_info));
713 point=path_info[i].point;
715 if (point.x < bounds.x1)
717 if (point.x > bounds.x2)
724 points=(
PointInfo *) RelinquishMagickMemory(points);
727 if (edge == number_edges)
730 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
731 polygon_info->edges,(
size_t) number_edges,
732 sizeof(*polygon_info->edges));
733 if (polygon_info->edges == (
EdgeInfo *) NULL)
735 (void) ThrowMagickException(exception,GetMagickModule(),
736 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
737 return(DestroyPolygonInfo(polygon_info));
740 polygon_info->edges[edge].number_points=(size_t) n;
741 polygon_info->edges[edge].scanline=(-1.0);
742 polygon_info->edges[edge].highwater=0;
743 polygon_info->edges[edge].ghostline=ghostline;
744 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
746 ReversePoints(points,(
size_t) n);
747 polygon_info->edges[edge].points=points;
748 polygon_info->edges[edge].bounds=bounds;
749 polygon_info->edges[edge].bounds.y1=points[0].y;
750 polygon_info->edges[edge].bounds.y2=points[n-1].y;
752 ghostline=MagickFalse;
754 polygon_info->number_edges=edge;
757 polygon_info->number_edges=edge;
758 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(polygon_info->edges,
759 polygon_info->number_edges,
sizeof(*polygon_info->edges));
760 if (polygon_info->edges == (
EdgeInfo *) NULL)
762 (void) ThrowMagickException(exception,GetMagickModule(),
763 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
764 return(DestroyPolygonInfo(polygon_info));
766 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
771 edge_info=polygon_info->edges+i;
772 edge_info->points=(
PointInfo *) ResizeQuantumMemory(edge_info->points,
773 edge_info->number_points,
sizeof(*edge_info->points));
774 if (edge_info->points == (
PointInfo *) NULL)
776 (void) ThrowMagickException(exception,GetMagickModule(),
777 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
778 return(DestroyPolygonInfo(polygon_info));
781 qsort(polygon_info->edges,(
size_t) polygon_info->number_edges,
782 sizeof(*polygon_info->edges),DrawCompareEdges);
783 if ((GetLogEventMask() & DrawEvent) != 0)
784 LogPolygonInfo(polygon_info);
785 return(polygon_info);
818 static void LogPathInfo(
const PathInfo *path_info)
823 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin vector-path");
824 for (p=path_info; p->code != EndCode; p++)
825 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
826 " %g,%g %s",p->point.x,p->point.y,p->code == GhostlineCode ?
827 "moveto ghostline" : p->code == OpenCode ?
"moveto open" :
828 p->code == MoveToCode ?
"moveto" : p->code == LineToCode ?
"lineto" :
830 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end vector-path");
860 switch (primitive_info->primitive)
871 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
872 path_info=(
PathInfo *) AcquireQuantumMemory((
size_t) (3UL*i+1UL),
876 (void) ThrowMagickException(exception,GetMagickModule(),
877 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
881 closed_subpath=MagickFalse;
888 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
891 if (coordinates <= 0)
896 coordinates=(ssize_t) primitive_info[i].coordinates;
897 p=primitive_info[i].point;
900 closed_subpath=primitive_info[i].closed_subpath;
903 if ((code == MoveToCode) || (coordinates <= 0) ||
904 (fabs(q.x-primitive_info[i].point.x) >= MagickEpsilon) ||
905 (fabs(q.y-primitive_info[i].point.y) >= MagickEpsilon))
910 path_info[n].code=code;
911 path_info[n].point=primitive_info[i].point;
912 q=primitive_info[i].point;
917 if (closed_subpath != MagickFalse)
919 closed_subpath=MagickFalse;
925 path_info[start].code=OpenCode;
926 path_info[n].code=GhostlineCode;
927 path_info[n].point=primitive_info[i].point;
929 path_info[n].code=LineToCode;
930 path_info[n].point=p;
933 path_info[n].code=EndCode;
934 path_info[n].point.x=0.0;
935 path_info[n].point.y=0.0;
936 if (IsEventLogging() != MagickFalse)
937 LogPathInfo(path_info);
938 path_info=(
PathInfo *) ResizeQuantumMemory(path_info,(
size_t) (n+1),
967 assert(draw_info != (
DrawInfo *) NULL);
968 assert(draw_info->signature == MagickCoreSignature);
969 if (IsEventLogging() != MagickFalse)
970 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
971 if (draw_info->id != (
char *) NULL)
972 draw_info->id=DestroyString(draw_info->id);
973 if (draw_info->primitive != (
char *) NULL)
974 draw_info->primitive=DestroyString(draw_info->primitive);
975 if (draw_info->text != (
char *) NULL)
976 draw_info->text=DestroyString(draw_info->text);
977 if (draw_info->geometry != (
char *) NULL)
978 draw_info->geometry=DestroyString(draw_info->geometry);
979 if (draw_info->fill_pattern != (
Image *) NULL)
980 draw_info->fill_pattern=DestroyImage(draw_info->fill_pattern);
981 if (draw_info->stroke_pattern != (
Image *) NULL)
982 draw_info->stroke_pattern=DestroyImage(draw_info->stroke_pattern);
983 if (draw_info->font != (
char *) NULL)
984 draw_info->font=DestroyString(draw_info->font);
985 if (draw_info->metrics != (
char *) NULL)
986 draw_info->metrics=DestroyString(draw_info->metrics);
987 if (draw_info->family != (
char *) NULL)
988 draw_info->family=DestroyString(draw_info->family);
989 if (draw_info->encoding != (
char *) NULL)
990 draw_info->encoding=DestroyString(draw_info->encoding);
991 if (draw_info->density != (
char *) NULL)
992 draw_info->density=DestroyString(draw_info->density);
993 if (draw_info->server_name != (
char *) NULL)
994 draw_info->server_name=(
char *)
995 RelinquishMagickMemory(draw_info->server_name);
996 if (draw_info->dash_pattern != (
double *) NULL)
997 draw_info->dash_pattern=(
double *) RelinquishMagickMemory(
998 draw_info->dash_pattern);
999 if (draw_info->gradient.stops != (
StopInfo *) NULL)
1000 draw_info->gradient.stops=(
StopInfo *) RelinquishMagickMemory(
1001 draw_info->gradient.stops);
1002 if (draw_info->clip_mask != (
char *) NULL)
1003 draw_info->clip_mask=DestroyString(draw_info->clip_mask);
1004 if (draw_info->clipping_mask != (
Image *) NULL)
1005 draw_info->clipping_mask=DestroyImage(draw_info->clipping_mask);
1006 if (draw_info->composite_mask != (
Image *) NULL)
1007 draw_info->composite_mask=DestroyImage(draw_info->composite_mask);
1008 draw_info->signature=(~MagickCoreSignature);
1009 draw_info=(
DrawInfo *) RelinquishMagickMemory(draw_info);
1060 inverse_edge.x1=edge->x1;
1061 inverse_edge.y1=edge->y1;
1062 inverse_edge.x2=edge->x2;
1063 inverse_edge.y2=edge->y2;
1064 z=affine->ry*y+affine->tx;
1065 if (affine->sx >= MagickEpsilon)
1067 intercept=(-z/affine->sx);
1069 if (x > inverse_edge.x1)
1071 intercept=(-z+(double) image->columns)/affine->sx;
1073 if (x < inverse_edge.x2)
1077 if (affine->sx < -MagickEpsilon)
1079 intercept=(-z+(double) image->columns)/affine->sx;
1081 if (x > inverse_edge.x1)
1083 intercept=(-z/affine->sx);
1085 if (x < inverse_edge.x2)
1089 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->columns))
1091 inverse_edge.x2=edge->x1;
1092 return(inverse_edge);
1097 z=affine->sy*y+affine->ty;
1098 if (affine->rx >= MagickEpsilon)
1100 intercept=(-z/affine->rx);
1102 if (x > inverse_edge.x1)
1104 intercept=(-z+(double) image->rows)/affine->rx;
1106 if (x < inverse_edge.x2)
1110 if (affine->rx < -MagickEpsilon)
1112 intercept=(-z+(double) image->rows)/affine->rx;
1114 if (x > inverse_edge.x1)
1116 intercept=(-z/affine->rx);
1118 if (x < inverse_edge.x2)
1122 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->rows))
1124 inverse_edge.x2=edge->x2;
1125 return(inverse_edge);
1127 return(inverse_edge);
1138 determinant=PerceptibleReciprocal(affine->sx*affine->sy-affine->rx*
1140 inverse_affine.sx=determinant*affine->sy;
1141 inverse_affine.rx=determinant*(-affine->rx);
1142 inverse_affine.ry=determinant*(-affine->ry);
1143 inverse_affine.sy=determinant*affine->sx;
1144 inverse_affine.tx=(-affine->tx)*inverse_affine.sx-affine->ty*
1146 inverse_affine.ty=(-affine->tx)*inverse_affine.rx-affine->ty*
1148 return(inverse_affine);
1151 MagickExport MagickBooleanType DrawAffineImage(
Image *image,
1186 assert(image != (
Image *) NULL);
1187 assert(image->signature == MagickCoreSignature);
1188 if (IsEventLogging() != MagickFalse)
1189 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1190 assert(source != (
const Image *) NULL);
1191 assert(source->signature == MagickCoreSignature);
1195 extent[1].x=(double) source->columns-1.0;
1197 extent[2].x=(
double) source->columns-1.0;
1198 extent[2].y=(double) source->rows-1.0;
1200 extent[3].y=(
double) source->rows-1.0;
1201 for (i=0; i < 4; i++)
1207 extent[i].x=point.x*affine->sx+point.y*affine->ry+affine->tx;
1208 extent[i].y=point.x*affine->rx+point.y*affine->sy+affine->ty;
1212 for (i=1; i < 4; i++)
1214 if (min.x > extent[i].x)
1216 if (min.y > extent[i].y)
1218 if (max.x < extent[i].x)
1220 if (max.y < extent[i].y)
1226 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
1227 return(MagickFalse);
1229 edge.x1=MagickMax(min.x,0.0);
1230 edge.y1=MagickMax(min.y,0.0);
1231 edge.x2=MagickMin(max.x,(
double) image->columns-1.0);
1232 edge.y2=MagickMin(max.y,(
double) image->rows-1.0);
1233 inverse_affine=InverseAffineMatrix(affine);
1234 GetPixelInfo(image,&zero);
1235 start=CastDoubleToLong(ceil(edge.y1-0.5));
1236 stop=CastDoubleToLong(floor(edge.y2+0.5));
1237 source_view=AcquireVirtualCacheView(source,exception);
1238 image_view=AcquireAuthenticCacheView(image,exception);
1239 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1240 #pragma omp parallel for schedule(static) shared(status) \
1241 magick_number_threads(source,image,stop-start,1)
1243 for (y=start; y <= stop; y++)
1264 if (status == MagickFalse)
1266 inverse_edge=AffineEdge(source,&inverse_affine,(
double) y,&edge);
1267 if (inverse_edge.x2 < inverse_edge.x1)
1269 q=GetCacheViewAuthenticPixels(image_view,CastDoubleToLong(
1270 ceil(inverse_edge.x1-0.5)),y,(
size_t) CastDoubleToLong(floor(
1271 inverse_edge.x2+0.5)-ceil(inverse_edge.x1-0.5)+1),1,exception);
1272 if (q == (Quantum *) NULL)
1277 for (x=CastDoubleToLong(ceil(inverse_edge.x1-0.5));
1278 x <= CastDoubleToLong(floor(inverse_edge.x2+0.5)); x++)
1280 point.x=(double) x*inverse_affine.sx+y*inverse_affine.ry+
1282 point.y=(
double) x*inverse_affine.rx+y*inverse_affine.sy+
1284 status=InterpolatePixelInfo(source,source_view,UndefinedInterpolatePixel,
1285 point.x,point.y,&pixel,exception);
1286 if (status == MagickFalse)
1288 GetPixelInfoPixel(image,q,&composite);
1289 CompositePixelInfoOver(&pixel,pixel.alpha,&composite,composite.alpha,
1291 SetPixelViaPixelInfo(image,&composite,q);
1293 q+=GetPixelChannels(image);
1295 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1298 source_view=DestroyCacheView(source_view);
1299 image_view=DestroyCacheView(image_view);
1335 static MagickBooleanType DrawBoundingRectangles(
Image *image,
1365 (void) memset(primitive_info,0,
sizeof(primitive_info));
1366 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1367 status=QueryColorCompliance(
"#000F",AllCompliance,&clone_info->fill,
1369 if (status == MagickFalse)
1371 clone_info=DestroyDrawInfo(clone_info);
1372 return(MagickFalse);
1376 if (clone_info->density != (
char *) NULL)
1384 flags=ParseGeometry(clone_info->density,&geometry_info);
1385 if ((flags & RhoValue) != 0)
1386 resolution.x=geometry_info.rho;
1387 resolution.y=resolution.x;
1388 if ((flags & SigmaValue) != 0)
1389 resolution.y=geometry_info.sigma;
1391 mid=(resolution.x/96.0)*ExpandAffine(&clone_info->affine)*
1392 clone_info->stroke_width/2.0;
1399 bounds=polygon_info->edges[0].bounds;
1400 for (i=1; i < (ssize_t) polygon_info->number_edges; i++)
1402 if (polygon_info->edges[i].bounds.x1 < (
double) bounds.x1)
1403 bounds.x1=polygon_info->edges[i].bounds.x1;
1404 if (polygon_info->edges[i].bounds.y1 < (
double) bounds.y1)
1405 bounds.y1=polygon_info->edges[i].bounds.y1;
1406 if (polygon_info->edges[i].bounds.x2 > (
double) bounds.x2)
1407 bounds.x2=polygon_info->edges[i].bounds.x2;
1408 if (polygon_info->edges[i].bounds.y2 > (
double) bounds.y2)
1409 bounds.y2=polygon_info->edges[i].bounds.y2;
1412 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double)
1413 image->columns ? (
double) image->columns-1 : bounds.x1;
1415 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double)
1416 image->rows ? (
double) image->rows-1 : bounds.y1;
1418 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double)
1419 image->columns ? (
double) image->columns-1 : bounds.x2;
1421 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double)
1422 image->rows ? (
double) image->rows-1 : bounds.y2;
1423 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
1425 if (polygon_info->edges[i].direction != 0)
1426 status=QueryColorCompliance(
"#f00",AllCompliance,&clone_info->stroke,
1429 status=QueryColorCompliance(
"#0f0",AllCompliance,&clone_info->stroke,
1431 if (status == MagickFalse)
1433 start.x=(double) (polygon_info->edges[i].bounds.x1-mid);
1434 start.y=(double) (polygon_info->edges[i].bounds.y1-mid);
1435 end.x=(double) (polygon_info->edges[i].bounds.x2+mid);
1436 end.y=(double) (polygon_info->edges[i].bounds.y2+mid);
1437 primitive_info[0].primitive=RectanglePrimitive;
1438 status&=TraceRectangle(primitive_info,start,end);
1439 primitive_info[0].method=ReplaceMethod;
1440 coordinates=(ssize_t) primitive_info[0].coordinates;
1441 primitive_info[coordinates].primitive=UndefinedPrimitive;
1442 status=DrawPrimitive(image,clone_info,primitive_info,exception);
1443 if (status == MagickFalse)
1446 if (i < (ssize_t) polygon_info->number_edges)
1448 clone_info=DestroyDrawInfo(clone_info);
1449 return(status == 0 ? MagickFalse : MagickTrue);
1452 status=QueryColorCompliance(
"#00f",AllCompliance,&clone_info->stroke,
1454 if (status == MagickFalse)
1456 clone_info=DestroyDrawInfo(clone_info);
1457 return(MagickFalse);
1459 start.x=(double) (bounds.x1-mid);
1460 start.y=(double) (bounds.y1-mid);
1461 end.x=(double) (bounds.x2+mid);
1462 end.y=(double) (bounds.y2+mid);
1463 primitive_info[0].primitive=RectanglePrimitive;
1464 status&=TraceRectangle(primitive_info,start,end);
1465 primitive_info[0].method=ReplaceMethod;
1466 coordinates=(ssize_t) primitive_info[0].coordinates;
1467 primitive_info[coordinates].primitive=UndefinedPrimitive;
1468 status=DrawPrimitive(image,clone_info,primitive_info,exception);
1469 clone_info=DestroyDrawInfo(clone_info);
1470 return(status == 0 ? MagickFalse : MagickTrue);
1502 MagickExport MagickBooleanType DrawClipPath(
Image *image,
1514 clip_path=GetImageArtifact(image,
id);
1515 if (clip_path == (
const char *) NULL)
1516 return(MagickFalse);
1517 clipping_mask=DrawClippingMask(image,draw_info,draw_info->clip_mask,clip_path,
1519 if (clipping_mask == (
Image *) NULL)
1520 return(MagickFalse);
1521 status=SetImageMask(image,WritePixelMask,clipping_mask,exception);
1522 clipping_mask=DestroyImage(clipping_mask);
1559 const char *
id,
const char *clip_path,
ExceptionInfo *exception)
1574 assert(image != (
Image *) NULL);
1575 assert(image->signature == MagickCoreSignature);
1576 assert(draw_info != (
const DrawInfo *) NULL);
1577 if (IsEventLogging() != MagickFalse)
1578 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1579 clip_mask=AcquireImage((
const ImageInfo *) NULL,exception);
1580 status=SetImageExtent(clip_mask,image->columns,image->rows,exception);
1581 if (status == MagickFalse)
1582 return(DestroyImage(clip_mask));
1583 status=SetImageMask(clip_mask,WritePixelMask,(
Image *) NULL,exception);
1584 status=QueryColorCompliance(
"#0000",AllCompliance,
1585 &clip_mask->background_color,exception);
1586 clip_mask->background_color.alpha=(MagickRealType) TransparentAlpha;
1587 clip_mask->background_color.alpha_trait=BlendPixelTrait;
1588 status=SetImageBackgroundColor(clip_mask,exception);
1589 if (draw_info->debug != MagickFalse)
1590 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin clip-path %s",
1592 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1593 (void) CloneString(&clone_info->primitive,clip_path);
1594 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1596 if (clone_info->clip_mask != (
char *) NULL)
1597 clone_info->clip_mask=DestroyString(clone_info->clip_mask);
1598 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1600 clone_info->stroke_width=0.0;
1601 clone_info->alpha=OpaqueAlpha;
1602 clone_info->clip_path=MagickTrue;
1603 status=RenderMVGContent(clip_mask,clone_info,0,exception);
1604 clone_info=DestroyDrawInfo(clone_info);
1605 separate_mask=SeparateImage(clip_mask,AlphaChannel,exception);
1606 if (separate_mask == (
Image *) NULL)
1610 clip_mask=DestroyImage(clip_mask);
1611 clip_mask=separate_mask;
1612 status&=NegateImage(clip_mask,MagickFalse,exception);
1614 if (status == MagickFalse)
1615 clip_mask=DestroyImage(clip_mask);
1616 if (draw_info->debug != MagickFalse)
1617 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end clip-path");
1653 const char *
id,
const char *mask_path,
ExceptionInfo *exception)
1668 assert(image != (
Image *) NULL);
1669 assert(image->signature == MagickCoreSignature);
1670 assert(draw_info != (
const DrawInfo *) NULL);
1671 if (IsEventLogging() != MagickFalse)
1672 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1673 composite_mask=AcquireImage((
const ImageInfo *) NULL,exception);
1674 status=SetImageExtent(composite_mask,image->columns,image->rows,exception);
1675 if (status == MagickFalse)
1676 return(DestroyImage(composite_mask));
1677 status=SetImageMask(composite_mask,CompositePixelMask,(
Image *) NULL,
1679 status=QueryColorCompliance(
"#0000",AllCompliance,
1680 &composite_mask->background_color,exception);
1681 composite_mask->background_color.alpha=(MagickRealType) TransparentAlpha;
1682 composite_mask->background_color.alpha_trait=BlendPixelTrait;
1683 (void) SetImageBackgroundColor(composite_mask,exception);
1684 if (draw_info->debug != MagickFalse)
1685 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin mask-path %s",
1687 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1688 (void) CloneString(&clone_info->primitive,mask_path);
1689 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1691 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1693 clone_info->stroke_width=0.0;
1694 clone_info->alpha=OpaqueAlpha;
1695 status=RenderMVGContent(composite_mask,clone_info,0,exception);
1696 clone_info=DestroyDrawInfo(clone_info);
1697 separate_mask=SeparateImage(composite_mask,AlphaChannel,exception);
1698 if (separate_mask != (
Image *) NULL)
1700 composite_mask=DestroyImage(composite_mask);
1701 composite_mask=separate_mask;
1702 status=NegateImage(composite_mask,MagickFalse,exception);
1703 if (status == MagickFalse)
1704 composite_mask=DestroyImage(composite_mask);
1706 if (status == MagickFalse)
1707 composite_mask=DestroyImage(composite_mask);
1708 if (draw_info->debug != MagickFalse)
1709 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end mask-path");
1710 return(composite_mask);
1744 static MagickBooleanType DrawDashPolygon(
const DrawInfo *draw_info,
1777 assert(draw_info != (
const DrawInfo *) NULL);
1778 if (draw_info->debug != MagickFalse)
1779 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1780 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1781 number_vertices=(size_t) i;
1782 dash_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1783 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1786 (void) ThrowMagickException(exception,GetMagickModule(),
1787 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1788 return(MagickFalse);
1790 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1791 sizeof(*dash_polygon));
1792 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1793 clone_info->miterlimit=0;
1794 dash_polygon[0]=primitive_info[0];
1795 scale=ExpandAffine(&draw_info->affine);
1796 length=scale*draw_info->dash_pattern[0];
1797 offset=fabs(draw_info->dash_offset) >= MagickEpsilon ?
1798 scale*draw_info->dash_offset : 0.0;
1800 for (n=0; offset > 0.0; j=0)
1802 if (draw_info->dash_pattern[n] <= 0.0)
1804 length=scale*(draw_info->dash_pattern[n]+(n == 0 ? -0.5 : 0.5));
1805 if (offset > length)
1809 length=scale*draw_info->dash_pattern[n];
1812 if (offset < length)
1824 for (i=1; (i < (ssize_t) number_vertices) && (length >= 0.0); i++)
1826 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
1827 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
1828 maximum_length=hypot(dx,dy);
1829 if (maximum_length > (
double) (MaxBezierCoordinates >> 2))
1831 if (fabs(length) < MagickEpsilon)
1833 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1835 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1837 length=scale*draw_info->dash_pattern[n];
1839 for (total_length=0.0; (length >= 0.0) && (maximum_length >= (total_length+length)); )
1841 total_length+=length;
1842 if ((n & 0x01) != 0)
1844 dash_polygon[0]=primitive_info[0];
1845 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1846 total_length*PerceptibleReciprocal(maximum_length));
1847 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1848 total_length*PerceptibleReciprocal(maximum_length));
1853 if ((j+1) > (ssize_t) number_vertices)
1855 dash_polygon[j]=primitive_info[i-1];
1856 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1857 total_length*PerceptibleReciprocal(maximum_length));
1858 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1859 total_length*PerceptibleReciprocal(maximum_length));
1860 dash_polygon[j].coordinates=1;
1862 dash_polygon[0].coordinates=(size_t) j;
1863 dash_polygon[j].primitive=UndefinedPrimitive;
1864 status&=DrawStrokePolygon(image,clone_info,dash_polygon,exception);
1865 if (status == MagickFalse)
1868 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1870 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1872 length=scale*draw_info->dash_pattern[n];
1874 length-=(maximum_length-total_length);
1875 if ((n & 0x01) != 0)
1877 dash_polygon[j]=primitive_info[i];
1878 dash_polygon[j].coordinates=1;
1881 if ((status != MagickFalse) && (total_length < maximum_length) &&
1882 ((n & 0x01) == 0) && (j > 1))
1884 dash_polygon[j]=primitive_info[i-1];
1885 dash_polygon[j].point.x+=MagickEpsilon;
1886 dash_polygon[j].point.y+=MagickEpsilon;
1887 dash_polygon[j].coordinates=1;
1889 dash_polygon[0].coordinates=(size_t) j;
1890 dash_polygon[j].primitive=UndefinedPrimitive;
1891 status&=DrawStrokePolygon(image,clone_info,dash_polygon,exception);
1893 dash_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1894 clone_info=DestroyDrawInfo(clone_info);
1895 if (draw_info->debug != MagickFalse)
1896 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1897 return(status != 0 ? MagickTrue : MagickFalse);
1928 static inline double GetStopColorOffset(
const GradientInfo *gradient,
1929 const ssize_t x,
const ssize_t y)
1931 switch (gradient->type)
1933 case UndefinedGradient:
1934 case LinearGradient:
1949 gradient_vector=(&gradient->gradient_vector);
1950 p.x=gradient_vector->x2-gradient_vector->x1;
1951 p.y=gradient_vector->y2-gradient_vector->y1;
1952 q.x=(double) x-gradient_vector->x1;
1953 q.y=(
double) y-gradient_vector->y1;
1954 length=sqrt(q.x*q.x+q.y*q.y);
1955 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1956 gamma=PerceptibleReciprocal(gamma);
1957 scale=p.x*q.x+p.y*q.y;
1958 offset=gamma*scale*length;
1961 case RadialGradient:
1966 if (gradient->spread == RepeatSpread)
1968 v.x=(double) x-gradient->center.x;
1969 v.y=(
double) y-gradient->center.y;
1970 return(sqrt(v.x*v.x+v.y*v.y));
1972 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1973 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1974 gradient->angle))))*PerceptibleReciprocal(gradient->radii.x);
1975 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1976 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1977 gradient->angle))))*PerceptibleReciprocal(gradient->radii.y);
1978 return(sqrt(v.x*v.x+v.y*v.y));
1984 static int StopInfoCompare(
const void *x,
const void *y)
1992 if (stop_1->offset > stop_2->offset)
1994 if (fabs(stop_1->offset-stop_2->offset) <= MagickEpsilon)
1999 MagickExport MagickBooleanType DrawGradientImage(
Image *image,
2032 assert(image != (
Image *) NULL);
2033 assert(image->signature == MagickCoreSignature);
2034 assert(draw_info != (
const DrawInfo *) NULL);
2035 if (IsEventLogging() != MagickFalse)
2036 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2037 gradient=(&draw_info->gradient);
2038 qsort(gradient->stops,gradient->number_stops,
sizeof(
StopInfo),
2040 gradient_vector=(&gradient->gradient_vector);
2041 point.x=gradient_vector->x2-gradient_vector->x1;
2042 point.y=gradient_vector->y2-gradient_vector->y1;
2043 length=sqrt(point.x*point.x+point.y*point.y);
2044 bounding_box=gradient->bounding_box;
2046 GetPixelInfo(image,&zero);
2047 image_view=AcquireAuthenticCacheView(image,exception);
2048 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2049 #pragma omp parallel for schedule(static) shared(status) \
2050 magick_number_threads(image,image,bounding_box.height-bounding_box.y,1)
2052 for (y=bounding_box.y; y < (ssize_t) bounding_box.height; y++)
2072 if (status == MagickFalse)
2074 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2075 if (q == (Quantum *) NULL)
2082 offset=GetStopColorOffset(gradient,0,y);
2083 if (gradient->type != RadialGradient)
2084 offset*=PerceptibleReciprocal(length);
2085 for (x=bounding_box.x; x < (ssize_t) bounding_box.width; x++)
2087 GetPixelInfoPixel(image,q,&pixel);
2088 switch (gradient->spread)
2090 case UndefinedSpread:
2093 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2094 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2096 offset=GetStopColorOffset(gradient,x,y);
2097 if (gradient->type != RadialGradient)
2098 offset*=PerceptibleReciprocal(length);
2100 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2101 if (offset < gradient->stops[i].offset)
2103 if ((offset < 0.0) || (i == 0))
2104 composite=gradient->stops[0].color;
2106 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2107 composite=gradient->stops[gradient->number_stops-1].color;
2112 alpha=(offset-gradient->stops[i].offset)/
2113 (gradient->stops[j].offset-gradient->stops[i].offset);
2114 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2115 &gradient->stops[j].color,alpha,&composite);
2121 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2122 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2124 offset=GetStopColorOffset(gradient,x,y);
2125 if (gradient->type != RadialGradient)
2126 offset*=PerceptibleReciprocal(length);
2130 if ((ssize_t) fmod(offset,2.0) == 0)
2131 offset=fmod(offset,1.0);
2133 offset=1.0-fmod(offset,1.0);
2134 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2135 if (offset < gradient->stops[i].offset)
2138 composite=gradient->stops[0].color;
2140 if (i == (ssize_t) gradient->number_stops)
2141 composite=gradient->stops[gradient->number_stops-1].color;
2146 alpha=(offset-gradient->stops[i].offset)/
2147 (gradient->stops[j].offset-gradient->stops[i].offset);
2148 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2149 &gradient->stops[j].color,alpha,&composite);
2161 antialias=MagickFalse;
2163 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2164 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2166 offset=GetStopColorOffset(gradient,x,y);
2167 if (gradient->type == LinearGradient)
2169 repeat=fmod(offset,length);
2171 repeat=length-fmod(-repeat,length);
2173 repeat=fmod(offset,length);
2174 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2175 MagickTrue : MagickFalse;
2176 offset=PerceptibleReciprocal(length)*repeat;
2180 repeat=fmod(offset,gradient->radius);
2182 repeat=gradient->radius-fmod(-repeat,gradient->radius);
2184 repeat=fmod(offset,gradient->radius);
2185 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2187 offset=repeat*PerceptibleReciprocal(gradient->radius);
2190 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2191 if (offset < gradient->stops[i].offset)
2194 composite=gradient->stops[0].color;
2196 if (i == (ssize_t) gradient->number_stops)
2197 composite=gradient->stops[gradient->number_stops-1].color;
2202 alpha=(offset-gradient->stops[i].offset)/
2203 (gradient->stops[j].offset-gradient->stops[i].offset);
2204 if (antialias != MagickFalse)
2206 if (gradient->type == LinearGradient)
2207 alpha=length-repeat;
2209 alpha=gradient->radius-repeat;
2211 j=(ssize_t) gradient->number_stops-1L;
2213 CompositePixelInfoBlend(&gradient->stops[i].color,1.0-alpha,
2214 &gradient->stops[j].color,alpha,&composite);
2219 CompositePixelInfoOver(&composite,composite.alpha,&pixel,pixel.alpha,
2221 SetPixelViaPixelInfo(image,&pixel,q);
2222 q+=GetPixelChannels(image);
2224 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2227 image_view=DestroyCacheView(image_view);
2263 static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2267 *text = (
char *) NULL;
2281 quantum=
sizeof(**mvg_info->primitive_info);
2282 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*(double) quantum;
2283 if (extent <= (
double) *mvg_info->extent)
2285 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2286 return(MagickFalse);
2287 for (i=0; i < mvg_info->offset; i++)
2288 if (((*mvg_info->primitive_info)[i].primitive == TextPrimitive) ||
2289 ((*mvg_info->primitive_info)[i].primitive == ImagePrimitive))
2290 if ((*mvg_info->primitive_info)[i].text != (
char *) NULL)
2291 text=(*mvg_info->primitive_info)[i].text;
2292 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2293 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2296 *mvg_info->extent=(size_t) extent;
2297 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2299 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2300 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2307 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2308 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2309 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2310 (PrimitiveExtentPad+1)*quantum);
2311 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2313 *mvg_info->extent=1;
2314 (*mvg_info->primitive_info)[0].text=text;
2316 return(MagickFalse);
2319 static inline double GetDrawValue(
const char *magick_restrict
string,
2320 char **magick_restrict sentinal)
2323 **magick_restrict q;
2329 value=InterpretLocaleValue(
string,q);
2334 static int MVGMacroCompare(
const void *target,
const void *source)
2340 p=(
const char *) target;
2341 q=(
const char *) source;
2342 return(strcmp(p,q));
2363 if (primitive == (
const char *) NULL)
2365 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2366 RelinquishMagickMemory);
2367 macro=AcquireString(primitive);
2368 token=AcquireString(primitive);
2369 extent=strlen(token)+MagickPathExtent;
2370 for (q=primitive; *q !=
'\0'; )
2372 if (GetNextToken(q,&q,extent,token) < 1)
2376 if (LocaleCompare(
"push",token) == 0)
2382 (void) GetNextToken(q,&q,extent,token);
2386 name[MagickPathExtent];
2397 (void) GetNextToken(q,&q,extent,token);
2400 (void) CopyMagickString(name,token,MagickPathExtent);
2402 for (p=q; *p !=
'\0'; )
2404 if (GetNextToken(p,&p,extent,token) < 1)
2408 if (LocaleCompare(token,
"pop") == 0)
2410 end=p-strlen(token)-1;
2413 if (LocaleCompare(token,
"push") == 0)
2415 if ((n == 0) && (end > start))
2420 (void) GetNextToken(p,&p,extent,token);
2421 (void) CopyMagickString(macro,start,(
size_t) (end-start));
2422 (void) AddValueToSplayTree(macros,ConstantString(name),
2423 ConstantString(macro));
2430 token=DestroyString(token);
2431 macro=DestroyString(macro);
2435 static inline MagickBooleanType IsPoint(
const char *point)
2443 value=GetDrawValue(point,&p);
2444 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2448 static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2451 primitive_info->coordinates=1;
2452 primitive_info->closed_subpath=MagickFalse;
2453 primitive_info->point=point;
2457 static MagickBooleanType RenderMVGContent(
Image *image,
2460 #define RenderImageTag "Render/Image"
2467 keyword[MagickPathExtent],
2468 geometry[MagickPathExtent],
2470 pattern[MagickPathExtent],
2537 assert(image != (
Image *) NULL);
2538 assert(image->signature == MagickCoreSignature);
2539 assert(draw_info != (
DrawInfo *) NULL);
2540 assert(draw_info->signature == MagickCoreSignature);
2541 if (IsEventLogging() != MagickFalse)
2542 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2543 if (depth > MagickMaxRecursionDepth)
2544 ThrowBinaryException(DrawError,
"VectorGraphicsNestedTooDeeply",
2546 if ((draw_info->primitive == (
char *) NULL) ||
2547 (*draw_info->primitive ==
'\0'))
2548 return(MagickFalse);
2549 if (draw_info->debug != MagickFalse)
2550 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2551 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2552 return(MagickFalse);
2553 if (image->alpha_trait == UndefinedPixelTrait)
2555 status=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
2556 if (status == MagickFalse)
2557 return(MagickFalse);
2559 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2560 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2561 primitive=FileToString(draw_info->primitive+1,~0UL,exception);
2563 primitive=AcquireString(draw_info->primitive);
2564 if (primitive == (
char *) NULL)
2565 return(MagickFalse);
2566 primitive_extent=(double) strlen(primitive);
2567 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2574 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2575 if (graphic_context == (
DrawInfo **) NULL)
2577 primitive=DestroyString(primitive);
2578 ThrowBinaryException(ResourceLimitError,
"MemoryAllocationFailed",
2581 number_points=(size_t) PrimitiveExtentPad;
2582 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2583 (number_points+1),
sizeof(*primitive_info));
2586 primitive=DestroyString(primitive);
2587 for ( ; n >= 0; n--)
2588 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2589 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2590 ThrowBinaryException(ResourceLimitError,
"MemoryAllocationFailed",
2593 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2594 sizeof(*primitive_info));
2595 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2596 mvg_info.primitive_info=(&primitive_info);
2597 mvg_info.extent=(&number_points);
2598 mvg_info.exception=exception;
2599 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2600 graphic_context[n]->viewbox=image->page;
2601 if ((image->page.width == 0) || (image->page.height == 0))
2603 graphic_context[n]->viewbox.width=image->columns;
2604 graphic_context[n]->viewbox.height=image->rows;
2606 token=AcquireString(primitive);
2607 extent=strlen(token)+MagickPathExtent;
2611 macros=GetMVGMacros(primitive);
2613 for (q=primitive; *q !=
'\0'; )
2618 if (GetNextToken(q,&q,MagickPathExtent,keyword) < 1)
2620 if (*keyword ==
'\0')
2622 if (*keyword ==
'#')
2627 while ((*q !=
'\n') && (*q !=
'\0'))
2631 p=q-strlen(keyword)-1;
2632 primitive_type=UndefinedPrimitive;
2633 current=graphic_context[n]->affine;
2634 GetAffineMatrix(&affine);
2643 if (LocaleCompare(
"affine",keyword) == 0)
2645 (void) GetNextToken(q,&q,extent,token);
2646 affine.sx=GetDrawValue(token,&next_token);
2647 if (token == next_token)
2648 ThrowPointExpectedException(token,exception);
2649 (void) GetNextToken(q,&q,extent,token);
2651 (void) GetNextToken(q,&q,extent,token);
2652 affine.rx=GetDrawValue(token,&next_token);
2653 if (token == next_token)
2654 ThrowPointExpectedException(token,exception);
2655 (void) GetNextToken(q,&q,extent,token);
2657 (void) GetNextToken(q,&q,extent,token);
2658 affine.ry=GetDrawValue(token,&next_token);
2659 if (token == next_token)
2660 ThrowPointExpectedException(token,exception);
2661 (void) GetNextToken(q,&q,extent,token);
2663 (void) GetNextToken(q,&q,extent,token);
2664 affine.sy=GetDrawValue(token,&next_token);
2665 if (token == next_token)
2666 ThrowPointExpectedException(token,exception);
2667 (void) GetNextToken(q,&q,extent,token);
2669 (void) GetNextToken(q,&q,extent,token);
2670 affine.tx=GetDrawValue(token,&next_token);
2671 if (token == next_token)
2672 ThrowPointExpectedException(token,exception);
2673 (void) GetNextToken(q,&q,extent,token);
2675 (void) GetNextToken(q,&q,extent,token);
2676 affine.ty=GetDrawValue(token,&next_token);
2677 if (token == next_token)
2678 ThrowPointExpectedException(token,exception);
2681 if (LocaleCompare(
"alpha",keyword) == 0)
2683 primitive_type=AlphaPrimitive;
2686 if (LocaleCompare(
"arc",keyword) == 0)
2688 primitive_type=ArcPrimitive;
2697 if (LocaleCompare(
"bezier",keyword) == 0)
2699 primitive_type=BezierPrimitive;
2702 if (LocaleCompare(
"border-color",keyword) == 0)
2704 (void) GetNextToken(q,&q,extent,token);
2705 status&=QueryColorCompliance(token,AllCompliance,
2706 &graphic_context[n]->border_color,exception);
2715 if (LocaleCompare(
"class",keyword) == 0)
2720 (void) GetNextToken(q,&q,extent,token);
2726 if (LocaleCompare(token,graphic_context[n]->
id) == 0)
2728 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2729 if ((graphic_context[n]->render != MagickFalse) &&
2730 (mvg_class != (
const char *) NULL) && (p > primitive))
2741 offset=(ssize_t) (p-primitive);
2742 elements=AcquireString(primitive);
2743 elements[offset]=
'\0';
2744 (void) ConcatenateString(&elements,mvg_class);
2745 (void) ConcatenateString(&elements,
"\n");
2746 (void) ConcatenateString(&elements,q);
2747 primitive=DestroyString(primitive);
2753 if (LocaleCompare(
"clip-path",keyword) == 0)
2761 (void) GetNextToken(q,&q,extent,token);
2767 (void) CloneString(&graphic_context[n]->clip_mask,token);
2768 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2769 if (clip_path != (
const char *) NULL)
2771 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2772 graphic_context[n]->clipping_mask=
2773 DestroyImage(graphic_context[n]->clipping_mask);
2774 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2775 graphic_context[n],token,clip_path,exception);
2776 if (graphic_context[n]->compliance != SVGCompliance)
2778 clip_path=(
const char *) GetValueFromSplayTree(macros,
2779 graphic_context[n]->clip_mask);
2780 if (clip_path != (
const char *) NULL)
2781 (
void) SetImageArtifact(image,
2782 graphic_context[n]->clip_mask,clip_path);
2783 status&=DrawClipPath(image,graphic_context[n],
2784 graphic_context[n]->clip_mask,exception);
2789 if (LocaleCompare(
"clip-rule",keyword) == 0)
2794 (void) GetNextToken(q,&q,extent,token);
2795 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2797 if (fill_rule == -1)
2802 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2805 if (LocaleCompare(
"clip-units",keyword) == 0)
2810 (void) GetNextToken(q,&q,extent,token);
2811 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2813 if (clip_units == -1)
2818 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2819 if (clip_units == ObjectBoundingBox)
2821 GetAffineMatrix(¤t);
2822 affine.sx=draw_info->bounds.x2;
2823 affine.sy=draw_info->bounds.y2;
2824 affine.tx=draw_info->bounds.x1;
2825 affine.ty=draw_info->bounds.y1;
2830 if (LocaleCompare(
"circle",keyword) == 0)
2832 primitive_type=CirclePrimitive;
2835 if (LocaleCompare(
"color",keyword) == 0)
2837 primitive_type=ColorPrimitive;
2840 if (LocaleCompare(
"compliance",keyword) == 0)
2846 (void) GetNextToken(q,&q,extent,token);
2847 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2848 MagickComplianceOptions,MagickFalse,token);
2851 if (LocaleCompare(
"currentColor",keyword) == 0)
2853 (void) GetNextToken(q,&q,extent,token);
2862 if (LocaleCompare(
"decorate",keyword) == 0)
2867 (void) GetNextToken(q,&q,extent,token);
2868 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2875 graphic_context[n]->decorate=(DecorationType) decorate;
2878 if (LocaleCompare(
"density",keyword) == 0)
2880 (void) GetNextToken(q,&q,extent,token);
2881 (void) CloneString(&graphic_context[n]->density,token);
2884 if (LocaleCompare(
"direction",keyword) == 0)
2889 (void) GetNextToken(q,&q,extent,token);
2890 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2892 if (direction == -1)
2895 graphic_context[n]->direction=(DirectionType) direction;
2904 if (LocaleCompare(
"ellipse",keyword) == 0)
2906 primitive_type=EllipsePrimitive;
2909 if (LocaleCompare(
"encoding",keyword) == 0)
2911 (void) GetNextToken(q,&q,extent,token);
2912 (void) CloneString(&graphic_context[n]->encoding,token);
2921 if (LocaleCompare(
"fill",keyword) == 0)
2926 (void) GetNextToken(q,&q,extent,token);
2927 if (graphic_context[n]->clip_path != MagickFalse)
2929 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2930 if (mvg_class != (
const char *) NULL)
2932 (void) DrawPatternPath(image,draw_info,mvg_class,
2933 &graphic_context[n]->fill_pattern,exception);
2936 (void) FormatLocaleString(pattern,MagickPathExtent,
"%s",token);
2937 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2939 (void) DrawPatternPath(image,draw_info,token,
2940 &graphic_context[n]->fill_pattern,exception);
2943 status&=QueryColorCompliance(token,AllCompliance,
2944 &graphic_context[n]->fill,exception);
2945 if (graphic_context[n]->fill_alpha != OpaqueAlpha)
2946 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
2949 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2954 (void) GetNextToken(q,&q,extent,token);
2955 if (graphic_context[n]->clip_path != MagickFalse)
2957 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2958 opacity=MagickMin(MagickMax(factor*
2959 GetDrawValue(token,&next_token),0.0),1.0);
2960 if (token == next_token)
2961 ThrowPointExpectedException(token,exception);
2962 if (graphic_context[n]->compliance == SVGCompliance)
2963 graphic_context[n]->fill_alpha*=opacity;
2965 graphic_context[n]->fill_alpha=QuantumRange*opacity;
2966 if (graphic_context[n]->fill.alpha != TransparentAlpha)
2967 graphic_context[n]->fill.alpha=graphic_context[n]->fill_alpha;
2969 graphic_context[n]->fill.alpha=(MagickRealType)
2970 ClampToQuantum(QuantumRange*opacity);
2971 graphic_context[n]->fill.alpha_trait=BlendPixelTrait;
2974 if (LocaleCompare(
"fill-rule",keyword) == 0)
2979 (void) GetNextToken(q,&q,extent,token);
2980 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2982 if (fill_rule == -1)
2987 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2990 if (LocaleCompare(
"font",keyword) == 0)
2992 (void) GetNextToken(q,&q,extent,token);
2993 (void) CloneString(&graphic_context[n]->font,token);
2994 if (LocaleCompare(
"none",token) == 0)
2995 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
2996 graphic_context[n]->font);
2999 if (LocaleCompare(
"font-family",keyword) == 0)
3001 (void) GetNextToken(q,&q,extent,token);
3002 (void) CloneString(&graphic_context[n]->family,token);
3005 if (LocaleCompare(
"font-size",keyword) == 0)
3007 (void) GetNextToken(q,&q,extent,token);
3008 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
3009 if (token == next_token)
3010 ThrowPointExpectedException(token,exception);
3013 if (LocaleCompare(
"font-stretch",keyword) == 0)
3018 (void) GetNextToken(q,&q,extent,token);
3019 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3025 graphic_context[n]->stretch=(StretchType) stretch;
3028 if (LocaleCompare(
"font-style",keyword) == 0)
3033 (void) GetNextToken(q,&q,extent,token);
3034 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3040 graphic_context[n]->style=(StyleType) style;
3043 if (LocaleCompare(
"font-weight",keyword) == 0)
3048 (void) GetNextToken(q,&q,extent,token);
3049 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3051 weight=(ssize_t) StringToUnsignedLong(token);
3052 graphic_context[n]->weight=(size_t) weight;
3061 if (LocaleCompare(
"gradient-units",keyword) == 0)
3063 (void) GetNextToken(q,&q,extent,token);
3066 if (LocaleCompare(
"gravity",keyword) == 0)
3071 (void) GetNextToken(q,&q,extent,token);
3072 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3078 graphic_context[n]->gravity=(GravityType) gravity;
3087 if (LocaleCompare(
"image",keyword) == 0)
3092 primitive_type=ImagePrimitive;
3093 (void) GetNextToken(q,&q,extent,token);
3094 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3100 graphic_context[n]->compose=(CompositeOperator) compose;
3103 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3105 (void) GetNextToken(q,&q,extent,token);
3106 graphic_context[n]->interline_spacing=GetDrawValue(token,
3108 if (token == next_token)
3109 ThrowPointExpectedException(token,exception);
3112 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3114 (void) GetNextToken(q,&q,extent,token);
3115 graphic_context[n]->interword_spacing=GetDrawValue(token,
3117 if (token == next_token)
3118 ThrowPointExpectedException(token,exception);
3127 if (LocaleCompare(
"kerning",keyword) == 0)
3129 (void) GetNextToken(q,&q,extent,token);
3130 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3131 if (token == next_token)
3132 ThrowPointExpectedException(token,exception);
3141 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3143 (void) GetNextToken(q,&q,extent,token);
3144 if (IsPoint(token) == MagickFalse)
3146 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3147 clone_info->text=AcquireString(
" ");
3148 status&=GetTypeMetrics(image,clone_info,&metrics,exception);
3149 graphic_context[n]->kerning=metrics.width*
3150 GetDrawValue(token,&next_token);
3151 clone_info=DestroyDrawInfo(clone_info);
3152 if (token == next_token)
3153 ThrowPointExpectedException(token,exception);
3156 if (LocaleCompare(
"line",keyword) == 0)
3158 primitive_type=LinePrimitive;
3167 if (LocaleCompare(
"mask",keyword) == 0)
3175 (void) GetNextToken(q,&q,extent,token);
3176 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3177 if (mask_path != (
const char *) NULL)
3179 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3180 graphic_context[n]->composite_mask=
3181 DestroyImage(graphic_context[n]->composite_mask);
3182 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3183 graphic_context[n],token,mask_path,exception);
3184 if (graphic_context[n]->compliance != SVGCompliance)
3185 status=SetImageMask(image,CompositePixelMask,
3186 graphic_context[n]->composite_mask,exception);
3196 if (LocaleCompare(
"offset",keyword) == 0)
3198 (void) GetNextToken(q,&q,extent,token);
3201 if (LocaleCompare(
"opacity",keyword) == 0)
3206 (void) GetNextToken(q,&q,extent,token);
3207 if (graphic_context[n]->clip_path != MagickFalse)
3209 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3210 opacity=MagickMin(MagickMax(factor*
3211 GetDrawValue(token,&next_token),0.0),1.0);
3212 if (token == next_token)
3213 ThrowPointExpectedException(token,exception);
3214 if (graphic_context[n]->compliance == SVGCompliance)
3216 graphic_context[n]->fill_alpha*=opacity;
3217 graphic_context[n]->stroke_alpha*=opacity;
3221 graphic_context[n]->fill_alpha=QuantumRange*opacity;
3222 graphic_context[n]->stroke_alpha=QuantumRange*opacity;
3232 if (LocaleCompare(
"path",keyword) == 0)
3234 primitive_type=PathPrimitive;
3237 if (LocaleCompare(
"point",keyword) == 0)
3239 primitive_type=PointPrimitive;
3242 if (LocaleCompare(
"polyline",keyword) == 0)
3244 primitive_type=PolylinePrimitive;
3247 if (LocaleCompare(
"polygon",keyword) == 0)
3249 primitive_type=PolygonPrimitive;
3252 if (LocaleCompare(
"pop",keyword) == 0)
3254 if (GetNextToken(q,&q,extent,token) < 1)
3256 if (LocaleCompare(
"class",token) == 0)
3258 if (LocaleCompare(
"clip-path",token) == 0)
3260 if (LocaleCompare(
"defs",token) == 0)
3263 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3267 if (LocaleCompare(
"gradient",token) == 0)
3269 if (LocaleCompare(
"graphic-context",token) == 0)
3273 (void) ThrowMagickException(exception,GetMagickModule(),
3274 DrawError,
"UnbalancedGraphicContextPushPop",
"`%s'",token);
3279 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3280 (graphic_context[n]->compliance != SVGCompliance))
3281 if (LocaleCompare(graphic_context[n]->clip_mask,
3282 graphic_context[n-1]->clip_mask) != 0)
3283 status=SetImageMask(image,WritePixelMask,(
Image *) NULL,
3285 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3289 if (LocaleCompare(
"mask",token) == 0)
3291 if (LocaleCompare(
"pattern",token) == 0)
3293 if (LocaleCompare(
"symbol",token) == 0)
3296 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3303 if (LocaleCompare(
"push",keyword) == 0)
3305 if (GetNextToken(q,&q,extent,token) < 1)
3307 if (LocaleCompare(
"class",token) == 0)
3312 for (p=q; *q !=
'\0'; )
3314 if (GetNextToken(q,&q,extent,token) < 1)
3316 if (LocaleCompare(token,
"pop") != 0)
3318 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3319 if (LocaleCompare(token,
"class") != 0)
3323 (void) GetNextToken(q,&q,extent,token);
3326 if (LocaleCompare(
"clip-path",token) == 0)
3328 (void) GetNextToken(q,&q,extent,token);
3329 for (p=q; *q !=
'\0'; )
3331 if (GetNextToken(q,&q,extent,token) < 1)
3333 if (LocaleCompare(token,
"pop") != 0)
3335 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3336 if (LocaleCompare(token,
"clip-path") != 0)
3340 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3345 (void) GetNextToken(q,&q,extent,token);
3348 if (LocaleCompare(
"defs",token) == 0)
3351 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3355 if (LocaleCompare(
"gradient",token) == 0)
3358 key[2*MagickPathExtent],
3359 name[MagickPathExtent],
3360 type[MagickPathExtent];
3365 (void) GetNextToken(q,&q,extent,token);
3366 (void) CopyMagickString(name,token,MagickPathExtent);
3367 (void) GetNextToken(q,&q,extent,token);
3368 (void) CopyMagickString(type,token,MagickPathExtent);
3369 (void) GetNextToken(q,&q,extent,token);
3370 segment.x1=GetDrawValue(token,&next_token);
3371 if (token == next_token)
3372 ThrowPointExpectedException(token,exception);
3373 (void) GetNextToken(q,&q,extent,token);
3375 (void) GetNextToken(q,&q,extent,token);
3376 segment.y1=GetDrawValue(token,&next_token);
3377 if (token == next_token)
3378 ThrowPointExpectedException(token,exception);
3379 (void) GetNextToken(q,&q,extent,token);
3381 (void) GetNextToken(q,&q,extent,token);
3382 segment.x2=GetDrawValue(token,&next_token);
3383 if (token == next_token)
3384 ThrowPointExpectedException(token,exception);
3385 (void) GetNextToken(q,&q,extent,token);
3387 (void) GetNextToken(q,&q,extent,token);
3388 segment.y2=GetDrawValue(token,&next_token);
3389 if (token == next_token)
3390 ThrowPointExpectedException(token,exception);
3391 if (LocaleCompare(type,
"radial") == 0)
3393 (void) GetNextToken(q,&q,extent,token);
3395 (void) GetNextToken(q,&q,extent,token);
3397 for (p=q; *q !=
'\0'; )
3399 if (GetNextToken(q,&q,extent,token) < 1)
3401 if (LocaleCompare(token,
"pop") != 0)
3403 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3404 if (LocaleCompare(token,
"gradient") != 0)
3408 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3413 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3414 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3415 graphic_context[n]->affine.ry*segment.y1+
3416 graphic_context[n]->affine.tx;
3417 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3418 graphic_context[n]->affine.sy*segment.y1+
3419 graphic_context[n]->affine.ty;
3420 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3421 graphic_context[n]->affine.ry*segment.y2+
3422 graphic_context[n]->affine.tx;
3423 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3424 graphic_context[n]->affine.sy*segment.y2+
3425 graphic_context[n]->affine.ty;
3426 (void) FormatLocaleString(key,MagickPathExtent,
"%s",name);
3427 (void) SetImageArtifact(image,key,token);
3428 (void) FormatLocaleString(key,MagickPathExtent,
"%s-type",name);
3429 (void) SetImageArtifact(image,key,type);
3430 (void) FormatLocaleString(key,MagickPathExtent,
"%s-geometry",
3432 (void) FormatLocaleString(geometry,MagickPathExtent,
3433 "%gx%g%+.15g%+.15g",
3434 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3435 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3436 bounds.x1,bounds.y1);
3437 (void) SetImageArtifact(image,key,geometry);
3438 (void) GetNextToken(q,&q,extent,token);
3441 if (LocaleCompare(
"graphic-context",token) == 0)
3444 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3445 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3446 if (graphic_context == (
DrawInfo **) NULL)
3448 (void) ThrowMagickException(exception,GetMagickModule(),
3449 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3453 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3454 graphic_context[n-1]);
3457 (void) GetNextToken(q,&q,extent,token);
3458 (void) CloneString(&graphic_context[n]->
id,token);
3462 if (LocaleCompare(
"mask",token) == 0)
3464 (void) GetNextToken(q,&q,extent,token);
3467 if (LocaleCompare(
"pattern",token) == 0)
3470 key[2*MagickPathExtent],
3471 name[MagickPathExtent];
3476 (void) GetNextToken(q,&q,extent,token);
3477 (void) CopyMagickString(name,token,MagickPathExtent);
3478 (void) GetNextToken(q,&q,extent,token);
3479 region.x=CastDoubleToLong(ceil(GetDrawValue(token,
3481 if (token == next_token)
3482 ThrowPointExpectedException(token,exception);
3483 (void) GetNextToken(q,&q,extent,token);
3485 (void) GetNextToken(q,&q,extent,token);
3486 region.y=CastDoubleToLong(ceil(GetDrawValue(token,
3488 if (token == next_token)
3489 ThrowPointExpectedException(token,exception);
3490 (void) GetNextToken(q,&q,extent,token);
3492 (void) GetNextToken(q,&q,extent,token);
3493 region.width=(size_t) CastDoubleToLong(floor(GetDrawValue(
3494 token,&next_token)+0.5));
3495 if (token == next_token)
3496 ThrowPointExpectedException(token,exception);
3497 (void) GetNextToken(q,&q,extent,token);
3499 (void) GetNextToken(q,&q,extent,token);
3500 region.height=(size_t) floor(GetDrawValue(token,&next_token)+
3502 if (token == next_token)
3503 ThrowPointExpectedException(token,exception);
3504 for (p=q; *q !=
'\0'; )
3506 if (GetNextToken(q,&q,extent,token) < 1)
3508 if (LocaleCompare(token,
"pop") != 0)
3510 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3511 if (LocaleCompare(token,
"pattern") != 0)
3515 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3520 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3521 (void) FormatLocaleString(key,MagickPathExtent,
"%s",name);
3522 (void) SetImageArtifact(image,key,token);
3523 (void) FormatLocaleString(key,MagickPathExtent,
"%s-geometry",
3525 (void) FormatLocaleString(geometry,MagickPathExtent,
3526 "%.20gx%.20g%+.20g%+.20g",(
double) region.width,(double)
3527 region.height,(
double) region.x,(double) region.y);
3528 (void) SetImageArtifact(image,key,geometry);
3529 (void) GetNextToken(q,&q,extent,token);
3532 if (LocaleCompare(
"symbol",token) == 0)
3535 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3548 if (LocaleCompare(
"rectangle",keyword) == 0)
3550 primitive_type=RectanglePrimitive;
3553 if (LocaleCompare(
"rotate",keyword) == 0)
3555 (void) GetNextToken(q,&q,extent,token);
3556 angle=GetDrawValue(token,&next_token);
3557 if (token == next_token)
3558 ThrowPointExpectedException(token,exception);
3559 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3560 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3561 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3562 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3565 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3567 primitive_type=RoundRectanglePrimitive;
3576 if (LocaleCompare(
"scale",keyword) == 0)
3578 (void) GetNextToken(q,&q,extent,token);
3579 affine.sx=GetDrawValue(token,&next_token);
3580 if (token == next_token)
3581 ThrowPointExpectedException(token,exception);
3582 (void) GetNextToken(q,&q,extent,token);
3584 (void) GetNextToken(q,&q,extent,token);
3585 affine.sy=GetDrawValue(token,&next_token);
3586 if (token == next_token)
3587 ThrowPointExpectedException(token,exception);
3590 if (LocaleCompare(
"skewX",keyword) == 0)
3592 (void) GetNextToken(q,&q,extent,token);
3593 angle=GetDrawValue(token,&next_token);
3594 if (token == next_token)
3595 ThrowPointExpectedException(token,exception);
3596 affine.ry=sin(DegreesToRadians(angle));
3599 if (LocaleCompare(
"skewY",keyword) == 0)
3601 (void) GetNextToken(q,&q,extent,token);
3602 angle=GetDrawValue(token,&next_token);
3603 if (token == next_token)
3604 ThrowPointExpectedException(token,exception);
3605 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3608 if (LocaleCompare(
"stop-color",keyword) == 0)
3614 if (number_stops == 1)
3615 stops=(
StopInfo *) AcquireQuantumMemory(2,
sizeof(*stops));
3617 if (number_stops > 2)
3618 stops=(
StopInfo *) ResizeQuantumMemory(stops,number_stops,
3622 (void) ThrowMagickException(exception,GetMagickModule(),
3623 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3627 (void) GetNextToken(q,&q,extent,token);
3628 status&=QueryColorCompliance(token,AllCompliance,&stop_color,
3630 stops[number_stops-1].color=stop_color;
3631 (void) GetNextToken(q,&q,extent,token);
3632 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3633 stops[number_stops-1].offset=factor*GetDrawValue(token,
3635 if (token == next_token)
3636 ThrowPointExpectedException(token,exception);
3639 if (LocaleCompare(
"stroke",keyword) == 0)
3644 (void) GetNextToken(q,&q,extent,token);
3645 if (graphic_context[n]->clip_path != MagickFalse)
3647 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3648 if (mvg_class != (
const char *) NULL)
3650 (void) DrawPatternPath(image,draw_info,mvg_class,
3651 &graphic_context[n]->stroke_pattern,exception);
3654 (void) FormatLocaleString(pattern,MagickPathExtent,
"%s",token);
3655 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3657 (void) DrawPatternPath(image,draw_info,token,
3658 &graphic_context[n]->stroke_pattern,exception);
3661 status&=QueryColorCompliance(token,AllCompliance,
3662 &graphic_context[n]->stroke,exception);
3663 if (graphic_context[n]->stroke_alpha != OpaqueAlpha)
3664 graphic_context[n]->stroke.alpha=
3665 graphic_context[n]->stroke_alpha;
3668 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3670 (void) GetNextToken(q,&q,extent,token);
3671 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3672 MagickTrue : MagickFalse;
3675 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3677 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3678 graphic_context[n]->dash_pattern=(
double *)
3679 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3680 if (IsPoint(q) != MagickFalse)
3686 (void) GetNextToken(r,&r,extent,token);
3688 (void) GetNextToken(r,&r,extent,token);
3689 for (x=0; IsPoint(token) != MagickFalse; x++)
3691 (void) GetNextToken(r,&r,extent,token);
3693 (void) GetNextToken(r,&r,extent,token);
3695 graphic_context[n]->dash_pattern=(
double *)
3696 AcquireQuantumMemory((
size_t) (2*x+2),
3697 sizeof(*graphic_context[n]->dash_pattern));
3698 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3700 (void) ThrowMagickException(exception,GetMagickModule(),
3701 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
3706 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3707 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3708 for (j=0; j < x; j++)
3710 (void) GetNextToken(q,&q,extent,token);
3712 (void) GetNextToken(q,&q,extent,token);
3713 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3715 if (token == next_token)
3716 ThrowPointExpectedException(token,exception);
3717 if (graphic_context[n]->dash_pattern[j] < 0.0)
3720 if ((x & 0x01) != 0)
3721 for ( ; j < (2*x); j++)
3722 graphic_context[n]->dash_pattern[j]=
3723 graphic_context[n]->dash_pattern[j-x];
3724 graphic_context[n]->dash_pattern[j]=0.0;
3727 (void) GetNextToken(q,&q,extent,token);
3730 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3732 (void) GetNextToken(q,&q,extent,token);
3733 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3734 if (token == next_token)
3735 ThrowPointExpectedException(token,exception);
3738 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3743 (void) GetNextToken(q,&q,extent,token);
3744 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3750 graphic_context[n]->linecap=(LineCap) linecap;
3753 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3758 (void) GetNextToken(q,&q,extent,token);
3759 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3766 graphic_context[n]->linejoin=(LineJoin) linejoin;
3769 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3771 (void) GetNextToken(q,&q,extent,token);
3772 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3775 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3780 (void) GetNextToken(q,&q,extent,token);
3781 if (graphic_context[n]->clip_path != MagickFalse)
3783 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3784 opacity=MagickMin(MagickMax(factor*
3785 GetDrawValue(token,&next_token),0.0),1.0);
3786 if (token == next_token)
3787 ThrowPointExpectedException(token,exception);
3788 if (graphic_context[n]->compliance == SVGCompliance)
3789 graphic_context[n]->stroke_alpha*=opacity;
3791 graphic_context[n]->stroke_alpha=QuantumRange*opacity;
3792 if (graphic_context[n]->stroke.alpha != TransparentAlpha)
3793 graphic_context[n]->stroke.alpha=graphic_context[n]->stroke_alpha;
3795 graphic_context[n]->stroke.alpha=(MagickRealType)
3796 ClampToQuantum(QuantumRange*opacity);
3797 graphic_context[n]->stroke.alpha_trait=BlendPixelTrait;
3800 if (LocaleCompare(
"stroke-width",keyword) == 0)
3802 (void) GetNextToken(q,&q,extent,token);
3803 if (graphic_context[n]->clip_path != MagickFalse)
3805 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3806 if (token == next_token)
3807 ThrowPointExpectedException(token,exception);
3816 if (LocaleCompare(
"text",keyword) == 0)
3818 primitive_type=TextPrimitive;
3822 if (LocaleCompare(
"text-align",keyword) == 0)
3827 (void) GetNextToken(q,&q,extent,token);
3828 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3834 graphic_context[n]->align=(AlignType) align;
3837 if (LocaleCompare(
"text-anchor",keyword) == 0)
3842 (void) GetNextToken(q,&q,extent,token);
3843 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3849 graphic_context[n]->align=(AlignType) align;
3852 if (LocaleCompare(
"text-antialias",keyword) == 0)
3854 (void) GetNextToken(q,&q,extent,token);
3855 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3856 MagickTrue : MagickFalse;
3859 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3861 (void) GetNextToken(q,&q,extent,token);
3862 status&=QueryColorCompliance(token,AllCompliance,
3863 &graphic_context[n]->undercolor,exception);
3866 if (LocaleCompare(
"translate",keyword) == 0)
3868 (void) GetNextToken(q,&q,extent,token);
3869 affine.tx=GetDrawValue(token,&next_token);
3870 if (token == next_token)
3871 ThrowPointExpectedException(token,exception);
3872 (void) GetNextToken(q,&q,extent,token);
3874 (void) GetNextToken(q,&q,extent,token);
3875 affine.ty=GetDrawValue(token,&next_token);
3876 if (token == next_token)
3877 ThrowPointExpectedException(token,exception);
3887 if (LocaleCompare(
"use",keyword) == 0)
3895 (void) GetNextToken(q,&q,extent,token);
3896 use=(
const char *) GetValueFromSplayTree(macros,token);
3897 if (use != (
const char *) NULL)
3899 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3900 (void) CloneString(&clone_info->primitive,use);
3901 status=RenderMVGContent(image,clone_info,depth+1,exception);
3902 clone_info=DestroyDrawInfo(clone_info);
3912 if (LocaleCompare(
"viewbox",keyword) == 0)
3914 (void) GetNextToken(q,&q,extent,token);
3915 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3916 GetDrawValue(token,&next_token)-0.5));
3917 if (token == next_token)
3918 ThrowPointExpectedException(token,exception);
3919 (void) GetNextToken(q,&q,extent,token);
3921 (void) GetNextToken(q,&q,extent,token);
3922 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3923 GetDrawValue(token,&next_token)-0.5));
3924 if (token == next_token)
3925 ThrowPointExpectedException(token,exception);
3926 (void) GetNextToken(q,&q,extent,token);
3928 (void) GetNextToken(q,&q,extent,token);
3929 graphic_context[n]->viewbox.width=(size_t) CastDoubleToLong(
3930 floor(GetDrawValue(token,&next_token)+0.5));
3931 if (token == next_token)
3932 ThrowPointExpectedException(token,exception);
3933 (void) GetNextToken(q,&q,extent,token);
3935 (void) GetNextToken(q,&q,extent,token);
3936 graphic_context[n]->viewbox.height=(size_t) CastDoubleToLong(
3937 floor(GetDrawValue(token,&next_token)+0.5));
3938 if (token == next_token)
3939 ThrowPointExpectedException(token,exception);
3948 if (LocaleCompare(
"word-spacing",keyword) == 0)
3950 (void) GetNextToken(q,&q,extent,token);
3951 graphic_context[n]->interword_spacing=GetDrawValue(token,
3953 if (token == next_token)
3954 ThrowPointExpectedException(token,exception);
3966 if (status == MagickFalse)
3968 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3969 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3970 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3971 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3973 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3974 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3975 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3976 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3977 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3979 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3982 if (primitive_type == UndefinedPrimitive)
3986 if (number_stops > 1)
3991 type=LinearGradient;
3992 if (draw_info->gradient.type == RadialGradient)
3993 type=RadialGradient;
3994 (void) GradientImage(image,type,PadSpread,stops,number_stops,
3997 if (number_stops > 0)
3998 stops=(
StopInfo *) RelinquishMagickMemory(stops);
4000 if ((draw_info->debug != MagickFalse) && (q > p))
4001 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
4008 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4009 if ((primitive_info[i].primitive == TextPrimitive) ||
4010 (primitive_info[i].primitive == ImagePrimitive))
4011 if (primitive_info[i].text != (
char *) NULL)
4012 primitive_info[i].text=DestroyString(primitive_info[i].text);
4016 primitive_info[0].point.x=0.0;
4017 primitive_info[0].point.y=0.0;
4018 primitive_info[0].coordinates=0;
4019 primitive_info[0].method=FloodfillMethod;
4020 primitive_info[0].closed_subpath=MagickFalse;
4021 for (x=0; *q !=
'\0'; x++)
4026 if (IsPoint(q) == MagickFalse)
4028 (void) GetNextToken(q,&q,extent,token);
4029 point.x=GetDrawValue(token,&next_token);
4030 if (token == next_token)
4031 ThrowPointExpectedException(token,exception);
4032 (void) GetNextToken(q,&q,extent,token);
4034 (void) GetNextToken(q,&q,extent,token);
4035 point.y=GetDrawValue(token,&next_token);
4036 if (token == next_token)
4037 ThrowPointExpectedException(token,exception);
4038 (void) GetNextToken(q,(
const char **) NULL,extent,token);
4040 (void) GetNextToken(q,&q,extent,token);
4041 primitive_info[i].primitive=primitive_type;
4042 primitive_info[i].point=point;
4043 primitive_info[i].coordinates=0;
4044 primitive_info[i].method=FloodfillMethod;
4045 primitive_info[i].closed_subpath=MagickFalse;
4048 if (i < (ssize_t) number_points)
4050 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4052 if (status == MagickFalse)
4054 if ((primitive_info[j].primitive == TextPrimitive) ||
4055 (primitive_info[j].primitive == ImagePrimitive))
4056 if (primitive_info[j].text != (
char *) NULL)
4057 primitive_info[j].text=DestroyString(primitive_info[j].text);
4058 primitive_info[j].primitive=primitive_type;
4059 primitive_info[j].coordinates=(size_t) x;
4060 primitive_info[j].method=FloodfillMethod;
4061 primitive_info[j].closed_subpath=MagickFalse;
4065 bounds.x1=primitive_info[j].point.x;
4066 bounds.y1=primitive_info[j].point.y;
4067 bounds.x2=primitive_info[j].point.x;
4068 bounds.y2=primitive_info[j].point.y;
4069 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4071 point=primitive_info[j+k].point;
4072 if (point.x < bounds.x1)
4074 if (point.y < bounds.y1)
4076 if (point.x > bounds.x2)
4078 if (point.y > bounds.y2)
4084 coordinates=(double) primitive_info[j].coordinates;
4085 switch (primitive_type)
4087 case RectanglePrimitive:
4092 case RoundRectanglePrimitive:
4099 alpha=bounds.x2-bounds.x1;
4100 beta=bounds.y2-bounds.y1;
4101 radius=hypot(alpha,beta);
4103 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4104 BezierQuantum+360.0;
4107 case BezierPrimitive:
4109 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4118 (void) GetNextToken(q,&q,extent,token);
4121 for (s=token; *s !=
'\0'; s=t)
4126 value=GetDrawValue(s,&t);
4135 for (s=token; *s !=
'\0'; s++)
4136 if (strspn(s,
"AaCcQqSsTt") != 0)
4137 coordinates+=(20.0*BezierQuantum)+360.0;
4143 if (status == MagickFalse)
4145 if (((
size_t) (i+coordinates)) >= number_points)
4150 number_points+=coordinates+1;
4151 if (number_points < (
size_t) coordinates)
4153 (void) ThrowMagickException(exception,GetMagickModule(),
4154 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4159 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4161 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4162 if (status == MagickFalse)
4165 switch (primitive_type)
4167 case PointPrimitive:
4170 if (primitive_info[j].coordinates != 1)
4175 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4176 i=(ssize_t) (j+primitive_info[j].coordinates);
4186 if (primitive_info[j].coordinates != 2)
4191 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
4192 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
4193 maximum_length=hypot(dx,dy);
4194 if (maximum_length > (MaxBezierCoordinates/100.0))
4195 ThrowPointExpectedException(keyword,exception);
4196 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4197 primitive_info[j+1].point);
4198 i=(ssize_t) (j+primitive_info[j].coordinates);
4201 case RectanglePrimitive:
4203 if (primitive_info[j].coordinates != 2)
4208 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4209 primitive_info[j+1].point);
4210 i=(ssize_t) (j+primitive_info[j].coordinates);
4213 case RoundRectanglePrimitive:
4215 if (primitive_info[j].coordinates != 3)
4220 if ((primitive_info[j+2].point.x < 0.0) ||
4221 (primitive_info[j+2].point.y < 0.0))
4226 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4231 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4236 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4237 primitive_info[j+1].point,primitive_info[j+2].point);
4238 i=(ssize_t) (j+primitive_info[j].coordinates);
4243 if (primitive_info[j].coordinates != 3)
4248 status&=TraceArc(&mvg_info,primitive_info[j].point,
4249 primitive_info[j+1].point,primitive_info[j+2].point);
4250 i=(ssize_t) (j+primitive_info[j].coordinates);
4253 case EllipsePrimitive:
4255 if (primitive_info[j].coordinates != 3)
4260 if ((primitive_info[j+1].point.x < 0.0) ||
4261 (primitive_info[j+1].point.y < 0.0))
4266 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4267 primitive_info[j+1].point,primitive_info[j+2].point);
4268 i=(ssize_t) (j+primitive_info[j].coordinates);
4271 case CirclePrimitive:
4273 if (primitive_info[j].coordinates != 2)
4278 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4279 primitive_info[j+1].point);
4280 i=(ssize_t) (j+primitive_info[j].coordinates);
4283 case PolylinePrimitive:
4285 if (primitive_info[j].coordinates < 1)
4292 case PolygonPrimitive:
4294 if (primitive_info[j].coordinates < 3)
4299 primitive_info[i]=primitive_info[j];
4300 primitive_info[i].coordinates=0;
4301 primitive_info[j].coordinates++;
4302 primitive_info[j].closed_subpath=MagickTrue;
4306 case BezierPrimitive:
4308 if (primitive_info[j].coordinates < 3)
4313 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4314 i=(ssize_t) (j+primitive_info[j].coordinates);
4319 coordinates=(double) TracePath(&mvg_info,token,exception);
4320 if (coordinates < 0.0)
4325 i=(ssize_t) (j+coordinates);
4328 case AlphaPrimitive:
4329 case ColorPrimitive:
4334 if (primitive_info[j].coordinates != 1)
4339 (void) GetNextToken(q,&q,extent,token);
4340 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4346 primitive_info[j].method=(PaintMethod) method;
4351 if (primitive_info[j].coordinates != 1)
4357 (void) GetNextToken(q,&q,extent,token);
4358 (void) CloneString(&primitive_info[j].text,token);
4362 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4363 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4364 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4366 mvg_info.point=primitive_info->point;
4367 primitive_info->point.x+=cursor;
4371 mvg_info.point=primitive_info->point;
4374 clone_info->render=MagickFalse;
4375 clone_info->text=AcquireString(token);
4376 status&=GetTypeMetrics(image,clone_info,&metrics,exception);
4377 clone_info=DestroyDrawInfo(clone_info);
4378 cursor+=metrics.width;
4379 if (graphic_context[n]->compliance != SVGCompliance)
4383 case ImagePrimitive:
4385 if (primitive_info[j].coordinates != 2)
4390 (void) GetNextToken(q,&q,extent,token);
4391 (void) CloneString(&primitive_info[j].text,token);
4398 primitive_info[i].primitive=UndefinedPrimitive;
4399 if ((draw_info->debug != MagickFalse) && (q > p))
4400 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4404 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4405 &graphic_context[n]->affine));
4408 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4409 graphic_context[n]->stroke_width);
4417 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4419 point=primitive_info[i].point;
4420 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4421 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4422 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4423 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4424 point=primitive_info[i].point;
4425 if (point.x < graphic_context[n]->bounds.x1)
4426 graphic_context[n]->bounds.x1=point.x;
4427 if (point.y < graphic_context[n]->bounds.y1)
4428 graphic_context[n]->bounds.y1=point.y;
4429 if (point.x > graphic_context[n]->bounds.x2)
4430 graphic_context[n]->bounds.x2=point.x;
4431 if (point.y > graphic_context[n]->bounds.y2)
4432 graphic_context[n]->bounds.y2=point.y;
4433 if (primitive_info[i].primitive == ImagePrimitive)
4435 if (i >= (ssize_t) number_points)
4436 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4438 if (graphic_context[n]->render != MagickFalse)
4440 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4441 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4442 (LocaleCompare(graphic_context[n]->clip_mask,
4443 graphic_context[n-1]->clip_mask) != 0))
4448 clip_path=(
const char *) GetValueFromSplayTree(macros,
4449 graphic_context[n]->clip_mask);
4450 if (clip_path != (
const char *) NULL)
4451 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4453 status&=DrawClipPath(image,graphic_context[n],
4454 graphic_context[n]->clip_mask,exception);
4456 status&=DrawPrimitive(image,graphic_context[n],primitive_info,
4459 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4461 if (proceed == MagickFalse)
4466 if (draw_info->debug != MagickFalse)
4467 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4471 macros=DestroySplayTree(macros);
4472 token=DestroyString(token);
4475 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4476 if ((primitive_info[i].primitive == TextPrimitive) ||
4477 (primitive_info[i].primitive == ImagePrimitive))
4478 if (primitive_info[i].text != (
char *) NULL)
4479 primitive_info[i].text=DestroyString(primitive_info[i].text);
4480 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4482 primitive=DestroyString(primitive);
4484 stops=(
StopInfo *) RelinquishMagickMemory(stops);
4485 for ( ; n >= 0; n--)
4486 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4487 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4488 if (status == MagickFalse)
4489 ThrowBinaryException(DrawError,
"NonconformingDrawingPrimitiveDefinition",
4491 return(status != 0 ? MagickTrue : MagickFalse);
4494 MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info,
4497 return(RenderMVGContent(image,draw_info,0,exception));
4531 MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4536 property[MagickPathExtent];
4552 assert(image != (
Image *) NULL);
4553 assert(image->signature == MagickCoreSignature);
4554 assert(draw_info != (
const DrawInfo *) NULL);
4555 assert(name != (
const char *) NULL);
4556 if (IsEventLogging() != MagickFalse)
4557 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4558 (void) FormatLocaleString(property,MagickPathExtent,
"%s",name);
4559 path=GetImageArtifact(image,property);
4560 if (path == (
const char *) NULL)
4561 return(MagickFalse);
4562 (void) FormatLocaleString(property,MagickPathExtent,
"%s-geometry",name);
4563 geometry=GetImageArtifact(image,property);
4564 if (geometry == (
const char *) NULL)
4565 return(MagickFalse);
4566 if ((*pattern) != (
Image *) NULL)
4567 *pattern=DestroyImage(*pattern);
4568 image_info=AcquireImageInfo();
4569 image_info->size=AcquireString(geometry);
4570 *pattern=AcquireImage(image_info,exception);
4571 image_info=DestroyImageInfo(image_info);
4572 (void) QueryColorCompliance(
"#00000000",AllCompliance,
4573 &(*pattern)->background_color,exception);
4574 (void) SetImageBackgroundColor(*pattern,exception);
4575 if (draw_info->debug != MagickFalse)
4576 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4577 "begin pattern-path %s %s",name,geometry);
4578 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4579 if (clone_info->fill_pattern != (
Image *) NULL)
4580 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4581 if (clone_info->stroke_pattern != (
Image *) NULL)
4582 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4583 (void) FormatLocaleString(property,MagickPathExtent,
"%s-type",name);
4584 type=GetImageArtifact(image,property);
4585 if (type != (
const char *) NULL)
4586 clone_info->gradient.type=(GradientType) ParseCommandOption(
4587 MagickGradientOptions,MagickFalse,type);
4588 (void) CloneString(&clone_info->primitive,path);
4589 status=RenderMVGContent(*pattern,clone_info,0,exception);
4590 clone_info=DestroyDrawInfo(clone_info);
4591 if (draw_info->debug != MagickFalse)
4592 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4633 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4635 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4636 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4637 return(polygon_info);
4644 *magick_restrict path_info;
4652 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4653 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4654 sizeof(*polygon_info));
4657 (void) ThrowMagickException(exception,GetMagickModule(),
4658 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4661 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4662 path_info=ConvertPrimitiveToPath(primitive_info,exception);
4663 if (path_info == (
PathInfo *) NULL)
4664 return(DestroyPolygonTLS(polygon_info));
4665 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4668 (void) ThrowMagickException(exception,GetMagickModule(),
4669 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4670 return(DestroyPolygonTLS(polygon_info));
4672 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4673 return(polygon_info);
4676 static MagickBooleanType ClonePolygonEdgesTLS(
PolygonInfo **polygon_info,
4682 for (i=1; i < (ssize_t) number_threads; i++)
4690 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4691 sizeof(*polygon_info[i]));
4694 (void) ThrowMagickException(exception,GetMagickModule(),
4695 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4696 return(MagickFalse);
4698 polygon_info[i]->number_edges=0;
4699 edge_info=polygon_info[0]->edges;
4700 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4701 polygon_info[0]->number_edges,
sizeof(*edge_info));
4702 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4704 (void) ThrowMagickException(exception,GetMagickModule(),
4705 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4706 return(MagickFalse);
4708 (void) memcpy(polygon_info[i]->edges,edge_info,
4709 polygon_info[0]->number_edges*
sizeof(*edge_info));
4710 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4711 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4712 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4713 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4715 edge_info=polygon_info[0]->edges+j;
4716 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4717 edge_info->number_points,
sizeof(*edge_info));
4718 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4720 (void) ThrowMagickException(exception,GetMagickModule(),
4721 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4722 return(MagickFalse);
4724 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4725 edge_info->number_points*
sizeof(*edge_info->points));
4731 static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4733 assert(edge < (ssize_t) polygon_info->number_edges);
4734 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4735 polygon_info->edges[edge].points);
4736 polygon_info->number_edges--;
4737 if (edge < (ssize_t) polygon_info->number_edges)
4738 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4739 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4740 return(polygon_info->number_edges);
4743 static double GetFillAlpha(
PolygonInfo *polygon_info,
const double mid,
4744 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4745 const ssize_t y,
double *stroke_alpha)
4772 p=polygon_info->edges;
4773 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4775 if ((
double) y <= (p->bounds.y1-mid-0.5))
4777 if ((
double) y > (p->bounds.y2+mid+0.5))
4780 (void) DestroyEdge(polygon_info,j--);
4783 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4784 ((double) x > (p->bounds.x2+mid+0.5)))
4786 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4787 for ( ; i < (ssize_t) p->number_points; i++)
4789 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4791 if ((
double) y > (p->points[i].y+mid+0.5))
4793 if (p->scanline != (
double) y)
4795 p->scanline=(double) y;
4796 p->highwater=(size_t) i;
4802 delta.x=(q+1)->x-q->x;
4803 delta.y=(q+1)->y-q->y;
4804 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4810 delta.x=(double) x-q->x;
4811 delta.y=(
double) y-q->y;
4812 distance=delta.x*delta.x+delta.y*delta.y;
4816 alpha=delta.x*delta.x+delta.y*delta.y;
4822 delta.x=(double) x-(q+1)->x;
4823 delta.y=(double) y-(q+1)->y;
4824 distance=delta.x*delta.x+delta.y*delta.y;
4831 alpha=PerceptibleReciprocal(alpha);
4832 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4833 distance=alpha*beta*beta;
4840 if (p->ghostline == MagickFalse)
4843 if ((*stroke_alpha < 1.0) &&
4844 (distance <= ((alpha+0.25)*(alpha+0.25))))
4847 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4852 if (fabs(distance-1.0) >= MagickEpsilon)
4853 beta=sqrt((
double) distance);
4855 if (*stroke_alpha < ((alpha-0.25)*(alpha-0.25)))
4856 *stroke_alpha=(alpha-0.25)*(alpha-0.25);
4860 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_alpha >= 1.0))
4862 if (distance <= 0.0)
4869 if (fabs(beta) < MagickEpsilon)
4872 if (fabs(distance-1.0) >= MagickEpsilon)
4873 beta=sqrt(distance);
4876 if (subpath_alpha < (alpha*alpha))
4877 subpath_alpha=alpha*alpha;
4883 if (fill == MagickFalse)
4885 if (subpath_alpha >= 1.0)
4891 p=polygon_info->edges;
4892 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4894 if ((
double) y <= p->bounds.y1)
4896 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4898 if ((
double) x > p->bounds.x2)
4900 winding_number+=p->direction != 0 ? 1 : -1;
4903 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4904 for ( ; i < (ssize_t) (p->number_points-1); i++)
4905 if ((
double) y <= p->points[i].y)
4908 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4909 winding_number+=p->direction != 0 ? 1 : -1;
4911 if (fill_rule != NonZeroRule)
4913 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4917 if (MagickAbsoluteValue(winding_number) != 0)
4919 return(subpath_alpha);
4922 static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4926 typedef struct _ExtentInfo
4955 **magick_restrict polygon_info;
4967 assert(image != (
Image *) NULL);
4968 assert(image->signature == MagickCoreSignature);
4969 assert(draw_info != (
DrawInfo *) NULL);
4970 assert(draw_info->signature == MagickCoreSignature);
4972 if (IsEventLogging() != MagickFalse)
4973 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4974 if (primitive_info->coordinates <= 1)
4979 polygon_info=AcquirePolygonTLS(primitive_info,exception);
4981 return(MagickFalse);
4982 if (draw_info->debug != MagickFalse)
4983 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4984 fill=(primitive_info->method == FillToBorderMethod) ||
4985 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4986 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4987 bounds=polygon_info[0]->edges[0].bounds;
4988 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4989 if (IsStringTrue(artifact) != MagickFalse)
4990 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0],exception);
4991 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4993 p=polygon_info[0]->edges+i;
4994 if (p->bounds.x1 < bounds.x1)
4995 bounds.x1=p->bounds.x1;
4996 if (p->bounds.y1 < bounds.y1)
4997 bounds.y1=p->bounds.y1;
4998 if (p->bounds.x2 > bounds.x2)
4999 bounds.x2=p->bounds.x2;
5000 if (p->bounds.y2 > bounds.y2)
5001 bounds.y2=p->bounds.y2;
5003 bounds.x1-=(mid+1.0);
5004 bounds.y1-=(mid+1.0);
5005 bounds.x2+=(mid+1.0);
5006 bounds.y2+=(mid+1.0);
5007 if ((bounds.x1 >= (
double) image->columns) ||
5008 (bounds.y1 >= (
double) image->rows) ||
5009 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
5011 polygon_info=DestroyPolygonTLS(polygon_info);
5014 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
5015 (
double) image->columns-1.0 : bounds.x1;
5016 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
5017 (
double) image->rows-1.0 : bounds.y1;
5018 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
5019 (
double) image->columns-1.0 : bounds.x2;
5020 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
5021 (
double) image->rows-1.0 : bounds.y2;
5022 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
5023 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5024 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
5025 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5026 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
5027 poly_extent.y1+1,1);
5028 status=ClonePolygonEdgesTLS(polygon_info,number_threads,exception);
5029 if (status == MagickFalse)
5031 polygon_info=DestroyPolygonTLS(polygon_info);
5034 image_view=AcquireAuthenticCacheView(image,exception);
5035 if ((primitive_info->coordinates == 1) ||
5036 (polygon_info[0]->number_edges == 0))
5041 #if defined(MAGICKCORE_OPENMP_SUPPORT)
5042 #pragma omp parallel for schedule(static) shared(status) \
5043 num_threads(number_threads)
5045 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5056 if (status == MagickFalse)
5059 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5061 if (q == (Quantum *) NULL)
5066 GetPixelInfo(image,&pixel);
5067 for ( ; x <= poly_extent.x2; x++)
5069 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5070 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5072 GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&pixel,
5074 SetPixelViaPixelInfo(image,&pixel,q);
5076 q+=GetPixelChannels(image);
5078 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5081 image_view=DestroyCacheView(image_view);
5082 polygon_info=DestroyPolygonTLS(polygon_info);
5083 if (draw_info->debug != MagickFalse)
5084 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5085 " end draw-polygon");
5091 #if defined(MAGICKCORE_OPENMP_SUPPORT)
5092 #pragma omp parallel for schedule(static) shared(status) \
5093 num_threads(number_threads)
5095 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5098 id = GetOpenMPThreadId();
5106 if (status == MagickFalse)
5108 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5109 (poly_extent.x2-poly_extent.x1+1),1,exception);
5110 if (q == (Quantum *) NULL)
5115 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5128 fill_alpha=GetFillAlpha(polygon_info[
id],mid,fill,draw_info->fill_rule,
5130 if (draw_info->stroke_antialias == MagickFalse)
5132 fill_alpha=fill_alpha > 0.5 ? 1.0 : 0.0;
5133 stroke_alpha=stroke_alpha > 0.5 ? 1.0 : 0.0;
5135 GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&fill_color,
5137 CompositePixelOver(image,&fill_color,fill_alpha*fill_color.alpha,q,
5138 (
double) GetPixelAlpha(image,q),q);
5139 GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,&stroke_color,
5141 CompositePixelOver(image,&stroke_color,stroke_alpha*stroke_color.alpha,q,
5142 (
double) GetPixelAlpha(image,q),q);
5143 q+=GetPixelChannels(image);
5145 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5148 image_view=DestroyCacheView(image_view);
5149 polygon_info=DestroyPolygonTLS(polygon_info);
5150 if (draw_info->debug != MagickFalse)
5151 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5184 static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5210 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5211 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5212 switch (primitive_info->primitive)
5214 case AlphaPrimitive:
5216 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5217 "AlphaPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5218 methods[primitive_info->method]);
5221 case ColorPrimitive:
5223 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5224 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5225 methods[primitive_info->method]);
5228 case ImagePrimitive:
5230 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5231 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5234 case PointPrimitive:
5236 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5237 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5238 methods[primitive_info->method]);
5243 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5244 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5251 p=primitive_info[0].point;
5254 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5256 point=primitive_info[i].point;
5257 if (coordinates <= 0)
5259 coordinates=(ssize_t) primitive_info[i].coordinates;
5260 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5261 " begin open (%.20g)",(double) coordinates);
5264 point=primitive_info[i].point;
5265 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5266 (fabs(q.y-point.y) >= MagickEpsilon))
5267 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5268 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5270 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5271 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5274 if (coordinates > 0)
5276 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5277 (fabs(p.y-point.y) >= MagickEpsilon))
5278 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5279 (double) coordinates);
5281 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5282 (
double) coordinates);
5286 MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5303 if (draw_info->debug != MagickFalse)
5305 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5306 " begin draw-primitive");
5307 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5308 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5309 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5310 draw_info->affine.tx,draw_info->affine.ty);
5313 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5314 ((IsPixelInfoGray(&draw_info->fill) == MagickFalse) ||
5315 (IsPixelInfoGray(&draw_info->stroke) == MagickFalse)))
5316 status&=SetImageColorspace(image,sRGBColorspace,exception);
5317 if (draw_info->compliance == SVGCompliance)
5319 status&=SetImageMask(image,WritePixelMask,draw_info->clipping_mask,
5321 status&=SetImageMask(image,CompositePixelMask,draw_info->composite_mask,
5324 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5325 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5326 image_view=AcquireAuthenticCacheView(image,exception);
5327 switch (primitive_info->primitive)
5329 case AlphaPrimitive:
5331 if (image->alpha_trait == UndefinedPixelTrait)
5332 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
5333 switch (primitive_info->method)
5344 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5345 if (q == (Quantum *) NULL)
5347 GetFillColor(draw_info,x,y,&pixel,exception);
5348 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5349 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5358 status&=GetOneCacheViewVirtualPixelInfo(image_view,x,y,&target,
5360 GetPixelInfo(image,&pixel);
5361 for (y=0; y < (ssize_t) image->rows; y++)
5366 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5368 if (q == (Quantum *) NULL)
5370 for (x=0; x < (ssize_t) image->columns; x++)
5372 GetPixelInfoPixel(image,q,&pixel);
5373 if (IsFuzzyEquivalencePixelInfo(&pixel,&target) == MagickFalse)
5375 q+=GetPixelChannels(image);
5378 GetFillColor(draw_info,x,y,&pixel,exception);
5379 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5380 q+=GetPixelChannels(image);
5382 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5383 if (status == MagickFalse)
5388 case FloodfillMethod:
5389 case FillToBorderMethod:
5397 status&=GetOneVirtualPixelInfo(image,TileVirtualPixelMethod,x,y,
5399 if (primitive_info->method == FillToBorderMethod)
5401 target.red=(double) draw_info->border_color.red;
5402 target.green=(
double) draw_info->border_color.green;
5403 target.blue=(double) draw_info->border_color.blue;
5405 channel_mask=SetImageChannelMask(image,AlphaChannel);
5406 status&=FloodfillPaintImage(image,draw_info,&target,x,y,
5407 primitive_info->method == FloodfillMethod ? MagickFalse :
5408 MagickTrue,exception);
5409 (void) SetImageChannelMask(image,channel_mask);
5417 for (y=0; y < (ssize_t) image->rows; y++)
5422 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5424 if (q == (Quantum *) NULL)
5426 for (x=0; x < (ssize_t) image->columns; x++)
5428 GetFillColor(draw_info,x,y,&pixel,exception);
5429 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q);
5430 q+=GetPixelChannels(image);
5432 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5433 if (status == MagickFalse)
5441 case ColorPrimitive:
5443 switch (primitive_info->method)
5454 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5455 if (q == (Quantum *) NULL)
5457 GetPixelInfo(image,&pixel);
5458 GetFillColor(draw_info,x,y,&pixel,exception);
5459 SetPixelViaPixelInfo(image,&pixel,q);
5460 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5469 status&=GetOneCacheViewVirtualPixelInfo(image_view,x,y,&target,
5471 for (y=0; y < (ssize_t) image->rows; y++)
5476 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5478 if (q == (Quantum *) NULL)
5480 for (x=0; x < (ssize_t) image->columns; x++)
5482 GetPixelInfoPixel(image,q,&pixel);
5483 if (IsFuzzyEquivalencePixelInfo(&pixel,&target) == MagickFalse)
5485 q+=GetPixelChannels(image);
5488 GetFillColor(draw_info,x,y,&pixel,exception);
5489 SetPixelViaPixelInfo(image,&pixel,q);
5490 q+=GetPixelChannels(image);
5492 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5493 if (status == MagickFalse)
5498 case FloodfillMethod:
5499 case FillToBorderMethod:
5504 status&=GetOneVirtualPixelInfo(image,TileVirtualPixelMethod,x,y,
5506 if (primitive_info->method == FillToBorderMethod)
5508 target.red=(double) draw_info->border_color.red;
5509 target.green=(
double) draw_info->border_color.green;
5510 target.blue=(double) draw_info->border_color.blue;
5512 status&=FloodfillPaintImage(image,draw_info,&target,x,y,
5513 primitive_info->method == FloodfillMethod ? MagickFalse :
5514 MagickTrue,exception);
5522 GetPixelInfo(image,&pixel);
5523 for (y=0; y < (ssize_t) image->rows; y++)
5528 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5530 if (q == (Quantum *) NULL)
5532 for (x=0; x < (ssize_t) image->columns; x++)
5534 GetFillColor(draw_info,x,y,&pixel,exception);
5535 SetPixelViaPixelInfo(image,&pixel,q);
5536 q+=GetPixelChannels(image);
5538 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5539 if (status == MagickFalse)
5547 case ImagePrimitive:
5553 composite_geometry[MagickPathExtent];
5569 if (primitive_info->text == (
char *) NULL)
5571 clone_info=AcquireImageInfo();
5572 composite_images=(
Image *) NULL;
5573 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5574 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5577 if (*primitive_info->text !=
'\0')
5588 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5590 (void) SetImageInfo(clone_info,1,exception);
5591 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5593 if (clone_info->size != (
char *) NULL)
5594 clone_info->size=DestroyString(clone_info->size);
5595 if (clone_info->extract != (
char *) NULL)
5596 clone_info->extract=DestroyString(clone_info->extract);
5597 path_status=GetPathAttributes(clone_info->filename,&attributes);
5598 if (path_status != MagickFalse)
5600 if (S_ISCHR(attributes.st_mode) == 0)
5601 composite_images=ReadImage(clone_info,exception);
5603 (
void) ThrowMagickException(exception,GetMagickModule(),
5604 FileOpenError,
"UnableToOpenFile",
"`%s'",
5605 clone_info->filename);
5608 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5609 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5610 (LocaleCompare(clone_info->magick,
"https") != 0))
5611 composite_images=ReadImage(clone_info,exception);
5613 (
void) ThrowMagickException(exception,GetMagickModule(),
5614 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5616 clone_info=DestroyImageInfo(clone_info);
5617 if (composite_images == (
Image *) NULL)
5622 composite_image=RemoveFirstImageFromList(&composite_images);
5623 composite_images=DestroyImageList(composite_images);
5624 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5625 NULL,(
void *) NULL);
5626 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5627 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5628 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5629 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5634 (void) FormatLocaleString(composite_geometry,MagickPathExtent,
5635 "%gx%g!",primitive_info[1].point.x,primitive_info[1].point.y);
5636 composite_image->filter=image->filter;
5637 status&=TransformImage(&composite_image,(
char *) NULL,
5638 composite_geometry,exception);
5640 if (composite_image->alpha_trait == UndefinedPixelTrait)
5641 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel,
5643 if (draw_info->alpha != OpaqueAlpha)
5644 status&=SetImageAlpha(composite_image,draw_info->alpha,exception);
5645 SetGeometry(image,&geometry);
5646 image->gravity=draw_info->gravity;
5649 (void) FormatLocaleString(composite_geometry,MagickPathExtent,
5650 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5651 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5652 (void) ParseGravityGeometry(image,composite_geometry,&geometry,exception);
5653 affine=draw_info->affine;
5654 affine.tx=(double) geometry.x;
5655 affine.ty=(
double) geometry.y;
5656 composite_image->interpolate=image->interpolate;
5657 if ((draw_info->compose == OverCompositeOp) ||
5658 (draw_info->compose == SrcOverCompositeOp))
5659 status&=DrawAffineImage(image,composite_image,&affine,exception);
5661 status&=CompositeImage(image,composite_image,draw_info->compose,
5662 MagickTrue,geometry.x,geometry.y,exception);
5663 composite_image=DestroyImage(composite_image);
5666 case PointPrimitive:
5674 if ((y < 0) || (y >= (ssize_t) image->rows))
5676 if ((x < 0) || (x >= (ssize_t) image->columns))
5678 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5679 if (q == (Quantum *) NULL)
5681 GetFillColor(draw_info,x,y,&fill_color,exception);
5682 CompositePixelOver(image,&fill_color,(
double) fill_color.alpha,q,(
double)
5683 GetPixelAlpha(image,q),q);
5684 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5690 geometry[MagickPathExtent];
5695 if (primitive_info->text == (
char *) NULL)
5697 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5698 (void) CloneString(&clone_info->text,primitive_info->text);
5699 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
5700 primitive_info->point.x,primitive_info->point.y);
5701 (void) CloneString(&clone_info->geometry,geometry);
5702 status&=AnnotateImage(image,clone_info,exception);
5703 clone_info=DestroyDrawInfo(clone_info);
5715 if (IsEventLogging() != MagickFalse)
5716 LogPrimitiveInfo(primitive_info);
5717 scale=ExpandAffine(&draw_info->affine);
5718 if ((draw_info->dash_pattern != (
double *) NULL) &&
5719 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5720 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5721 (draw_info->stroke.alpha != (Quantum) TransparentAlpha))
5726 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5727 clone_info->stroke_width=0.0;
5728 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5729 status&=DrawPolygonPrimitive(image,clone_info,primitive_info,
5731 clone_info=DestroyDrawInfo(clone_info);
5732 if (status != MagickFalse)
5733 status&=DrawDashPolygon(draw_info,primitive_info,image,exception);
5736 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5738 ((draw_info->stroke.alpha != (Quantum) TransparentAlpha) ||
5739 (draw_info->stroke_pattern != (
Image *) NULL)))
5751 closed_path=primitive_info[0].closed_subpath;
5752 i=(ssize_t) primitive_info[0].coordinates;
5753 point_x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5754 point_y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5755 if ((point_x < MagickEpsilon) && (point_y < MagickEpsilon))
5756 closed_path=MagickTrue;
5757 if ((((draw_info->linecap == RoundCap) ||
5758 (closed_path != MagickFalse)) &&
5759 (draw_info->linejoin == RoundJoin)) ||
5760 (primitive_info[i].primitive != UndefinedPrimitive))
5762 status&=DrawPolygonPrimitive(image,draw_info,primitive_info,
5766 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5767 clone_info->stroke_width=0.0;
5768 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5769 status&=DrawPolygonPrimitive(image,clone_info,primitive_info,
5771 clone_info=DestroyDrawInfo(clone_info);
5772 if (status != MagickFalse)
5773 status&=DrawStrokePolygon(image,draw_info,primitive_info,exception);
5776 status&=DrawPolygonPrimitive(image,draw_info,primitive_info,exception);
5780 image_view=DestroyCacheView(image_view);
5781 if (draw_info->compliance == SVGCompliance)
5783 status&=SetImageMask(image,WritePixelMask,(
Image *) NULL,exception);
5784 status&=SetImageMask(image,CompositePixelMask,(
Image *) NULL,exception);
5786 if (draw_info->debug != MagickFalse)
5787 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5788 return(status != 0 ? MagickTrue : MagickFalse);
5821 static MagickBooleanType DrawRoundLinecap(
Image *image,
5831 for (i=0; i < 4; i++)
5832 linecap[i]=(*primitive_info);
5833 linecap[0].coordinates=4;
5834 linecap[1].point.x+=2.0*MagickEpsilon;
5835 linecap[2].point.x+=2.0*MagickEpsilon;
5836 linecap[2].point.y+=2.0*MagickEpsilon;
5837 linecap[3].point.y+=2.0*MagickEpsilon;
5838 linecap[4].primitive=UndefinedPrimitive;
5839 return(DrawPolygonPrimitive(image,draw_info,linecap,exception));
5842 static MagickBooleanType DrawStrokePolygon(
Image *image,
5865 if (draw_info->debug != MagickFalse)
5866 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5867 " begin draw-stroke-polygon");
5868 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5869 clone_info->fill=draw_info->stroke;
5870 if (clone_info->fill_pattern != (
Image *) NULL)
5871 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5872 if (clone_info->stroke_pattern != (
Image *) NULL)
5873 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5874 MagickTrue,exception);
5875 clone_info->stroke.alpha=(MagickRealType) TransparentAlpha;
5876 clone_info->stroke_width=0.0;
5877 clone_info->fill_rule=NonZeroRule;
5879 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=p->coordinates)
5881 if (p->coordinates == 1)
5883 stroke_polygon=TraceStrokePolygon(draw_info,p,exception);
5889 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon,exception);
5890 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5893 q=p+p->coordinates-1;
5894 closed_path=p->closed_subpath;
5895 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5897 status&=DrawRoundLinecap(image,draw_info,p,exception);
5898 status&=DrawRoundLinecap(image,draw_info,q,exception);
5901 clone_info=DestroyDrawInfo(clone_info);
5902 if (draw_info->debug != MagickFalse)
5903 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5904 " end draw-stroke-polygon");
5905 return(status != 0 ? MagickTrue : MagickFalse);
5931 MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5933 if (IsEventLogging() != MagickFalse)
5934 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5936 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5937 affine_matrix->sx=1.0;
5938 affine_matrix->sy=1.0;
5982 assert(draw_info != (
DrawInfo *) NULL);
5983 if (IsEventLogging() != MagickFalse)
5984 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5985 (void) memset(draw_info,0,
sizeof(*draw_info));
5986 clone_info=CloneImageInfo(image_info);
5987 GetAffineMatrix(&draw_info->affine);
5988 exception=AcquireExceptionInfo();
5989 (void) QueryColorCompliance(
"#000F",AllCompliance,&draw_info->fill,
5991 (void) QueryColorCompliance(
"#FFF0",AllCompliance,&draw_info->stroke,
5993 draw_info->stroke_antialias=clone_info->antialias;
5994 draw_info->stroke_width=1.0;
5995 draw_info->fill_rule=EvenOddRule;
5996 draw_info->alpha=OpaqueAlpha;
5997 draw_info->fill_alpha=OpaqueAlpha;
5998 draw_info->stroke_alpha=OpaqueAlpha;
5999 draw_info->linecap=ButtCap;
6000 draw_info->linejoin=MiterJoin;
6001 draw_info->miterlimit=10;
6002 draw_info->decorate=NoDecoration;
6003 draw_info->pointsize=12.0;
6004 draw_info->undercolor.alpha=(MagickRealType) TransparentAlpha;
6005 draw_info->compose=OverCompositeOp;
6006 draw_info->render=MagickTrue;
6007 draw_info->clip_path=MagickFalse;
6008 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
6009 MagickTrue : MagickFalse;
6010 if (clone_info->font != (
char *) NULL)
6011 draw_info->font=AcquireString(clone_info->font);
6012 if (clone_info->density != (
char *) NULL)
6013 draw_info->density=AcquireString(clone_info->density);
6014 draw_info->text_antialias=clone_info->antialias;
6015 if (fabs(clone_info->pointsize) >= MagickEpsilon)
6016 draw_info->pointsize=clone_info->pointsize;
6017 draw_info->border_color=clone_info->border_color;
6018 if (clone_info->server_name != (
char *) NULL)
6019 draw_info->server_name=AcquireString(clone_info->server_name);
6020 option=GetImageOption(clone_info,
"direction");
6021 if (option != (
const char *) NULL)
6022 draw_info->direction=(DirectionType) ParseCommandOption(
6023 MagickDirectionOptions,MagickFalse,option);
6025 draw_info->direction=UndefinedDirection;
6026 option=GetImageOption(clone_info,
"encoding");
6027 if (option != (
const char *) NULL)
6028 (void) CloneString(&draw_info->encoding,option);
6029 option=GetImageOption(clone_info,
"family");
6030 if (option != (
const char *) NULL)
6031 (void) CloneString(&draw_info->family,option);
6032 option=GetImageOption(clone_info,
"fill");
6033 if (option != (
const char *) NULL)
6034 (void) QueryColorCompliance(option,AllCompliance,&draw_info->fill,
6036 option=GetImageOption(clone_info,
"gravity");
6037 if (option != (
const char *) NULL)
6038 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
6039 MagickFalse,option);
6040 option=GetImageOption(clone_info,
"interline-spacing");
6041 if (option != (
const char *) NULL)
6042 draw_info->interline_spacing=GetDrawValue(option,&next_token);
6043 option=GetImageOption(clone_info,
"interword-spacing");
6044 if (option != (
const char *) NULL)
6045 draw_info->interword_spacing=GetDrawValue(option,&next_token);
6046 option=GetImageOption(clone_info,
"kerning");
6047 if (option != (
const char *) NULL)
6048 draw_info->kerning=GetDrawValue(option,&next_token);
6049 option=GetImageOption(clone_info,
"stroke");
6050 if (option != (
const char *) NULL)
6051 (void) QueryColorCompliance(option,AllCompliance,&draw_info->stroke,
6053 option=GetImageOption(clone_info,
"strokewidth");
6054 if (option != (
const char *) NULL)
6055 draw_info->stroke_width=GetDrawValue(option,&next_token);
6056 option=GetImageOption(clone_info,
"style");
6057 if (option != (
const char *) NULL)
6058 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
6059 MagickFalse,option);
6060 option=GetImageOption(clone_info,
"undercolor");
6061 if (option != (
const char *) NULL)
6062 (void) QueryColorCompliance(option,AllCompliance,&draw_info->undercolor,
6064 option=GetImageOption(clone_info,
"weight");
6065 if (option != (
const char *) NULL)
6070 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6072 weight=(ssize_t) StringToUnsignedLong(option);
6073 draw_info->weight=(size_t) weight;
6075 exception=DestroyExceptionInfo(exception);
6076 draw_info->signature=MagickCoreSignature;
6077 clone_info=DestroyImageInfo(clone_info);
6105 static inline double Permutate(
const ssize_t n,
const ssize_t k)
6114 for (i=k+1; i <= n; i++)
6116 for (i=1; i <= (n-k); i++)
6144 center.x=0.5*(end.x+start.x);
6145 center.y=0.5*(end.y+start.y);
6146 radius.x=fabs(center.x-start.x);
6147 radius.y=fabs(center.y-start.y);
6148 return(TraceEllipse(mvg_info,center,radius,degrees));
6151 static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6153 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6190 offset=mvg_info->offset;
6191 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6192 primitive_info->coordinates=0;
6193 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6194 (fabs(start.y-end.y) < MagickEpsilon))
6195 return(TracePoint(primitive_info,end));
6196 radii.x=fabs(arc.x);
6197 radii.y=fabs(arc.y);
6198 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6199 return(TraceLine(primitive_info,start,end));
6200 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6201 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6202 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6203 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6204 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6206 if (delta < MagickEpsilon)
6207 return(TraceLine(primitive_info,start,end));
6210 radii.x*=sqrt((
double) delta);
6211 radii.y*=sqrt((
double) delta);
6213 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6214 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6215 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6216 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6217 alpha=points[1].x-points[0].x;
6218 beta=points[1].y-points[0].y;
6219 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6220 return(TraceLine(primitive_info,start,end));
6221 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6226 factor=sqrt((
double) factor);
6227 if (sweep == large_arc)
6230 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6231 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6232 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6233 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6234 if ((theta < 0.0) && (sweep != MagickFalse))
6235 theta+=2.0*MagickPI;
6237 if ((theta > 0.0) && (sweep == MagickFalse))
6238 theta-=2.0*MagickPI;
6239 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6240 MagickPI+MagickEpsilon)))));
6243 for (i=0; i < (ssize_t) arc_segments; i++)
6245 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6246 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6247 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6248 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6249 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6250 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6251 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6252 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6253 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6254 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6255 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6256 theta/arc_segments),DegreesToRadians(360.0))));
6257 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6258 theta/arc_segments),DegreesToRadians(360.0))));
6259 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6260 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6261 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6262 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6263 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6264 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6265 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6267 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6269 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6271 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6273 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6275 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6277 if (i == (ssize_t) (arc_segments-1))
6279 status&=TraceBezier(mvg_info,4);
6282 p=(*mvg_info->primitive_info)+mvg_info->offset;
6283 mvg_info->offset+=p->coordinates;
6287 return(MagickFalse);
6288 mvg_info->offset=offset;
6289 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6290 primitive_info->coordinates=(
size_t) (p-primitive_info);
6291 primitive_info->closed_subpath=MagickFalse;
6292 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6294 p->primitive=primitive_info->primitive;
6300 static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6301 const size_t number_coordinates)
6330 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6331 quantum=number_coordinates;
6332 for (i=0; i < (ssize_t) number_coordinates; i++)
6334 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6336 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6337 if (alpha > (
double) MAGICK_SSIZE_MAX)
6339 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6340 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6341 return(MagickFalse);
6343 if (alpha > (
double) quantum)
6344 quantum=(
size_t) alpha;
6345 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6346 if (alpha > (
double) MAGICK_SSIZE_MAX)
6348 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6349 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6350 return(MagickFalse);
6352 if (alpha > (
double) quantum)
6353 quantum=(
size_t) alpha;
6356 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6357 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6358 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6359 sizeof(*coefficients));
6360 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6362 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6365 points=(
PointInfo *) RelinquishMagickMemory(points);
6366 if (coefficients != (
double *) NULL)
6367 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6368 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6369 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6370 return(MagickFalse);
6372 control_points=quantum*number_coordinates;
6373 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6375 points=(
PointInfo *) RelinquishMagickMemory(points);
6376 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6377 return(MagickFalse);
6379 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6383 end=primitive_info[number_coordinates-1].point;
6384 for (i=0; i < (ssize_t) number_coordinates; i++)
6385 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6387 for (i=0; i < (ssize_t) control_points; i++)
6392 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6393 for (j=0; j < (ssize_t) number_coordinates; j++)
6395 point.x+=alpha*coefficients[j]*p->point.x;
6396 point.y+=alpha*coefficients[j]*p->point.y;
6397 alpha*=weight/(1.0-weight);
6401 weight+=1.0/control_points;
6407 for (i=0; i < (ssize_t) control_points; i++)
6409 if (TracePoint(p,points[i]) == MagickFalse)
6411 points=(
PointInfo *) RelinquishMagickMemory(points);
6412 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6413 return(MagickFalse);
6417 if (TracePoint(p,end) == MagickFalse)
6419 points=(
PointInfo *) RelinquishMagickMemory(points);
6420 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6421 return(MagickFalse);
6424 primitive_info->coordinates=(size_t) (p-primitive_info);
6425 primitive_info->closed_subpath=MagickFalse;
6426 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6428 p->primitive=primitive_info->primitive;
6431 points=(
PointInfo *) RelinquishMagickMemory(points);
6432 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6436 static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6448 alpha=end.x-start.x;
6450 radius=hypot((
double) alpha,(
double) beta);
6451 offset.x=(double) radius;
6452 offset.y=(double) radius;
6455 return(TraceEllipse(mvg_info,start,offset,degrees));
6458 static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6484 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6485 primitive_info->coordinates=0;
6486 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6488 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6490 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6491 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6492 angle.x=DegreesToRadians(arc.x);
6496 angle.y=DegreesToRadians(y);
6497 coordinates=ceil((angle.y-angle.x)/step+1.0);
6498 if (CheckPrimitiveExtent(mvg_info,coordinates) == MagickFalse)
6499 return(MagickFalse);
6500 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6501 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6503 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6504 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6505 if (TracePoint(p,point) == MagickFalse)
6506 return(MagickFalse);
6509 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6510 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6511 if (TracePoint(p,point) == MagickFalse)
6512 return(MagickFalse);
6514 primitive_info->coordinates=(size_t) (p-primitive_info);
6515 primitive_info->closed_subpath=MagickFalse;
6516 x=fabs(primitive_info[0].point.x-
6517 primitive_info[primitive_info->coordinates-1].point.x);
6518 y=fabs(primitive_info[0].point.y-
6519 primitive_info[primitive_info->coordinates-1].point.y);
6520 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6521 primitive_info->closed_subpath=MagickTrue;
6522 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6524 p->primitive=primitive_info->primitive;
6530 static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6533 if (TracePoint(primitive_info,start) == MagickFalse)
6534 return(MagickFalse);
6535 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6536 (fabs(start.y-end.y) < MagickEpsilon))
6538 primitive_info->primitive=PointPrimitive;
6539 primitive_info->coordinates=1;
6542 if (TracePoint(primitive_info+1,end) == MagickFalse)
6543 return(MagickFalse);
6544 (primitive_info+1)->primitive=primitive_info->primitive;
6545 primitive_info->coordinates=2;
6546 primitive_info->closed_subpath=MagickFalse;
6550 static ssize_t TracePath(
MVGInfo *mvg_info,
const char *path,
6555 token[MagickPathExtent] =
"";
6573 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6596 subpath_offset=mvg_info->offset;
6597 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6600 number_coordinates=0;
6602 primitive_type=primitive_info->primitive;
6604 for (p=path; *p !=
'\0'; )
6606 if (status == MagickFalse)
6608 while (isspace((
int) ((
unsigned char) *p)) != 0)
6612 last_attribute=attribute;
6613 attribute=(int) (*p++);
6623 large_arc = MagickFalse,
6624 sweep = MagickFalse;
6634 (void) GetNextToken(p,&p,MagickPathExtent,token);
6636 (void) GetNextToken(p,&p,MagickPathExtent,token);
6637 arc.x=GetDrawValue(token,&next_token);
6638 if (token == next_token)
6639 ThrowPointExpectedException(token,exception);
6640 (void) GetNextToken(p,&p,MagickPathExtent,token);
6642 (void) GetNextToken(p,&p,MagickPathExtent,token);
6643 arc.y=GetDrawValue(token,&next_token);
6644 if (token == next_token)
6645 ThrowPointExpectedException(token,exception);
6646 (void) GetNextToken(p,&p,MagickPathExtent,token);
6648 (void) GetNextToken(p,&p,MagickPathExtent,token);
6649 angle=GetDrawValue(token,&next_token);
6650 if (token == next_token)
6651 ThrowPointExpectedException(token,exception);
6652 (void) GetNextToken(p,&p,MagickPathExtent,token);
6654 (void) GetNextToken(p,&p,MagickPathExtent,token);
6655 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6656 (void) GetNextToken(p,&p,MagickPathExtent,token);
6658 (void) GetNextToken(p,&p,MagickPathExtent,token);
6659 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6661 (void) GetNextToken(p,&p,MagickPathExtent,token);
6662 (void) GetNextToken(p,&p,MagickPathExtent,token);
6664 (void) GetNextToken(p,&p,MagickPathExtent,token);
6665 x=GetDrawValue(token,&next_token);
6666 if (token == next_token)
6667 ThrowPointExpectedException(token,exception);
6668 (void) GetNextToken(p,&p,MagickPathExtent,token);
6670 (void) GetNextToken(p,&p,MagickPathExtent,token);
6671 y=GetDrawValue(token,&next_token);
6672 if (token == next_token)
6673 ThrowPointExpectedException(token,exception);
6674 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6675 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6676 if (TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep) == MagickFalse)
6678 q=(*mvg_info->primitive_info)+mvg_info->offset;
6679 mvg_info->offset+=q->coordinates;
6682 while (isspace((
int) ((
unsigned char) *p)) != 0)
6686 }
while (IsPoint(p) != MagickFalse);
6698 for (i=1; i < 4; i++)
6700 (void) GetNextToken(p,&p,MagickPathExtent,token);
6702 (void) GetNextToken(p,&p,MagickPathExtent,token);
6703 x=GetDrawValue(token,&next_token);
6704 if (token == next_token)
6705 ThrowPointExpectedException(token,exception);
6706 (void) GetNextToken(p,&p,MagickPathExtent,token);
6708 (void) GetNextToken(p,&p,MagickPathExtent,token);
6709 y=GetDrawValue(token,&next_token);
6710 if (token == next_token)
6711 ThrowPointExpectedException(token,exception);
6712 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6713 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6716 for (i=0; i < 4; i++)
6717 (q+i)->point=points[i];
6718 if (TraceBezier(mvg_info,4) == MagickFalse)
6720 q=(*mvg_info->primitive_info)+mvg_info->offset;
6721 mvg_info->offset+=q->coordinates;
6724 while (isspace((
int) ((
unsigned char) *p)) != 0)
6728 }
while (IsPoint(p) != MagickFalse);
6736 (void) GetNextToken(p,&p,MagickPathExtent,token);
6738 (void) GetNextToken(p,&p,MagickPathExtent,token);
6739 x=GetDrawValue(token,&next_token);
6740 if (token == next_token)
6741 ThrowPointExpectedException(token,exception);
6742 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6743 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6745 q=(*mvg_info->primitive_info)+mvg_info->offset;
6746 if (TracePoint(q,point) == MagickFalse)
6748 mvg_info->offset+=q->coordinates;
6750 while (isspace((
int) ((
unsigned char) *p)) != 0)
6754 }
while (IsPoint(p) != MagickFalse);
6765 (void) GetNextToken(p,&p,MagickPathExtent,token);
6767 (void) GetNextToken(p,&p,MagickPathExtent,token);
6768 x=GetDrawValue(token,&next_token);
6769 if (token == next_token)
6770 ThrowPointExpectedException(token,exception);
6771 (void) GetNextToken(p,&p,MagickPathExtent,token);
6773 (void) GetNextToken(p,&p,MagickPathExtent,token);
6774 y=GetDrawValue(token,&next_token);
6775 if (token == next_token)
6776 ThrowPointExpectedException(token,exception);
6777 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6778 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6779 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6781 q=(*mvg_info->primitive_info)+mvg_info->offset;
6782 if (TracePoint(q,point) == MagickFalse)
6784 mvg_info->offset+=q->coordinates;
6786 while (isspace((
int) ((
unsigned char) *p)) != 0)
6790 }
while (IsPoint(p) != MagickFalse);
6799 if (mvg_info->offset != subpath_offset)
6801 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6802 primitive_info->coordinates=(size_t) (q-primitive_info);
6803 number_coordinates+=primitive_info->coordinates;
6805 subpath_offset=mvg_info->offset;
6810 (void) GetNextToken(p,&p,MagickPathExtent,token);
6812 (void) GetNextToken(p,&p,MagickPathExtent,token);
6813 x=GetDrawValue(token,&next_token);
6814 if (token == next_token)
6815 ThrowPointExpectedException(token,exception);
6816 (void) GetNextToken(p,&p,MagickPathExtent,token);
6818 (void) GetNextToken(p,&p,MagickPathExtent,token);
6819 y=GetDrawValue(token,&next_token);
6820 if (token == next_token)
6821 ThrowPointExpectedException(token,exception);
6822 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6823 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6827 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6829 q=(*mvg_info->primitive_info)+mvg_info->offset;
6830 if (TracePoint(q,point) == MagickFalse)
6832 mvg_info->offset+=q->coordinates;
6834 while (isspace((
int) ((
unsigned char) *p)) != 0)
6838 }
while (IsPoint(p) != MagickFalse);
6850 for (i=1; i < 3; i++)
6852 (void) GetNextToken(p,&p,MagickPathExtent,token);
6854 (void) GetNextToken(p,&p,MagickPathExtent,token);
6855 x=GetDrawValue(token,&next_token);
6856 if (token == next_token)
6857 ThrowPointExpectedException(token,exception);
6858 (void) GetNextToken(p,&p,MagickPathExtent,token);
6860 (void) GetNextToken(p,&p,MagickPathExtent,token);
6861 y=GetDrawValue(token,&next_token);
6862 if (token == next_token)
6863 ThrowPointExpectedException(token,exception);
6866 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6867 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6870 for (i=0; i < 3; i++)
6871 (q+i)->point=points[i];
6872 if (TraceBezier(mvg_info,3) == MagickFalse)
6874 q=(*mvg_info->primitive_info)+mvg_info->offset;
6875 mvg_info->offset+=q->coordinates;
6878 while (isspace((
int) ((
unsigned char) *p)) != 0)
6882 }
while (IsPoint(p) != MagickFalse);
6893 points[0]=points[3];
6894 points[1].x=2.0*points[3].x-points[2].x;
6895 points[1].y=2.0*points[3].y-points[2].y;
6896 for (i=2; i < 4; i++)
6898 (void) GetNextToken(p,&p,MagickPathExtent,token);
6900 (void) GetNextToken(p,&p,MagickPathExtent,token);
6901 x=GetDrawValue(token,&next_token);
6902 if (token == next_token)
6903 ThrowPointExpectedException(token,exception);
6904 (void) GetNextToken(p,&p,MagickPathExtent,token);
6906 (void) GetNextToken(p,&p,MagickPathExtent,token);
6907 y=GetDrawValue(token,&next_token);
6908 if (token == next_token)
6909 ThrowPointExpectedException(token,exception);
6912 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6913 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6916 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6921 for (i=0; i < 4; i++)
6922 (q+i)->point=points[i];
6923 if (TraceBezier(mvg_info,4) == MagickFalse)
6925 q=(*mvg_info->primitive_info)+mvg_info->offset;
6926 mvg_info->offset+=q->coordinates;
6929 last_attribute=attribute;
6930 while (isspace((
int) ((
unsigned char) *p)) != 0)
6934 }
while (IsPoint(p) != MagickFalse);
6945 points[0]=points[2];
6946 points[1].x=2.0*points[2].x-points[1].x;
6947 points[1].y=2.0*points[2].y-points[1].y;
6948 for (i=2; i < 3; i++)
6950 (void) GetNextToken(p,&p,MagickPathExtent,token);
6952 (void) GetNextToken(p,&p,MagickPathExtent,token);
6953 x=GetDrawValue(token,&next_token);
6954 if (token == next_token)
6955 ThrowPointExpectedException(token,exception);
6956 (void) GetNextToken(p,&p,MagickPathExtent,token);
6958 (void) GetNextToken(p,&p,MagickPathExtent,token);
6959 y=GetDrawValue(token,&next_token);
6960 if (token == next_token)
6961 ThrowPointExpectedException(token,exception);
6962 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6963 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6966 if (status == MagickFalse)
6968 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6973 for (i=0; i < 3; i++)
6974 (q+i)->point=points[i];
6975 if (TraceBezier(mvg_info,3) == MagickFalse)
6977 q=(*mvg_info->primitive_info)+mvg_info->offset;
6978 mvg_info->offset+=q->coordinates;
6981 last_attribute=attribute;
6982 while (isspace((
int) ((
unsigned char) *p)) != 0)
6986 }
while (IsPoint(p) != MagickFalse);
6997 (void) GetNextToken(p,&p,MagickPathExtent,token);
6999 (void) GetNextToken(p,&p,MagickPathExtent,token);
7000 y=GetDrawValue(token,&next_token);
7001 if (token == next_token)
7002 ThrowPointExpectedException(token,exception);
7003 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
7004 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7006 q=(*mvg_info->primitive_info)+mvg_info->offset;
7007 if (TracePoint(q,point) == MagickFalse)
7009 mvg_info->offset+=q->coordinates;
7011 while (isspace((
int) ((
unsigned char) *p)) != 0)
7015 }
while (IsPoint(p) != MagickFalse);
7025 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7027 q=(*mvg_info->primitive_info)+mvg_info->offset;
7028 if (TracePoint(q,point) == MagickFalse)
7030 mvg_info->offset+=q->coordinates;
7032 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7033 primitive_info->coordinates=(size_t) (q-primitive_info);
7034 primitive_info->closed_subpath=MagickTrue;
7035 number_coordinates+=primitive_info->coordinates;
7037 subpath_offset=mvg_info->offset;
7043 ThrowPointExpectedException(token,exception);
7048 if (status == MagickFalse)
7050 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
7051 primitive_info->coordinates=(size_t) (q-primitive_info);
7052 number_coordinates+=primitive_info->coordinates;
7053 for (i=0; i < (ssize_t) number_coordinates; i++)
7056 q->primitive=primitive_type;
7058 q->method=FillToBorderMethod;
7061 return((ssize_t) number_coordinates);
7064 static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7077 if (TracePoint(p,start) == MagickFalse)
7078 return(MagickFalse);
7082 if (TracePoint(p,point) == MagickFalse)
7083 return(MagickFalse);
7085 if (TracePoint(p,end) == MagickFalse)
7086 return(MagickFalse);
7090 if (TracePoint(p,point) == MagickFalse)
7091 return(MagickFalse);
7093 if (TracePoint(p,start) == MagickFalse)
7094 return(MagickFalse);
7096 primitive_info->coordinates=(size_t) (p-primitive_info);
7097 primitive_info->closed_subpath=MagickTrue;
7098 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7100 p->primitive=primitive_info->primitive;
7106 static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7126 offset=mvg_info->offset;
7127 segment.x=fabs(end.x-start.x);
7128 segment.y=fabs(end.y-start.y);
7129 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7131 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7134 if (arc.x > (0.5*segment.x))
7135 arc.x=0.5*segment.x;
7136 if (arc.y > (0.5*segment.y))
7137 arc.y=0.5*segment.y;
7138 point.x=start.x+segment.x-arc.x;
7139 point.y=start.y+arc.y;
7142 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7143 return(MagickFalse);
7144 p=(*mvg_info->primitive_info)+mvg_info->offset;
7145 mvg_info->offset+=p->coordinates;
7146 point.x=start.x+segment.x-arc.x;
7147 point.y=start.y+segment.y-arc.y;
7150 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7151 return(MagickFalse);
7152 p=(*mvg_info->primitive_info)+mvg_info->offset;
7153 mvg_info->offset+=p->coordinates;
7154 point.x=start.x+arc.x;
7155 point.y=start.y+segment.y-arc.y;
7158 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7159 return(MagickFalse);
7160 p=(*mvg_info->primitive_info)+mvg_info->offset;
7161 mvg_info->offset+=p->coordinates;
7162 point.x=start.x+arc.x;
7163 point.y=start.y+arc.y;
7166 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7167 return(MagickFalse);
7168 p=(*mvg_info->primitive_info)+mvg_info->offset;
7169 mvg_info->offset+=p->coordinates;
7170 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7171 return(MagickFalse);
7172 p=(*mvg_info->primitive_info)+mvg_info->offset;
7173 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7174 return(MagickFalse);
7176 mvg_info->offset=offset;
7177 primitive_info=(*mvg_info->primitive_info)+offset;
7178 primitive_info->coordinates=(size_t) (p-primitive_info);
7179 primitive_info->closed_subpath=MagickTrue;
7180 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7182 p->primitive=primitive_info->primitive;
7188 static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7189 const size_t number_vertices,
const double offset)
7206 for (i=1; i < (ssize_t) number_vertices; i++)
7208 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7209 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7210 if ((fabs((
double) dx) >= MagickEpsilon) ||
7211 (fabs((
double) dy) >= MagickEpsilon))
7214 if (i == (ssize_t) number_vertices)
7215 i=(ssize_t) number_vertices-1L;
7216 distance=hypot((
double) dx,(
double) dy);
7217 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7218 dx*(distance+offset)/distance);
7219 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7220 dy*(distance+offset)/distance);
7221 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7223 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7224 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7225 if ((fabs((
double) dx) >= MagickEpsilon) ||
7226 (fabs((
double) dy) >= MagickEpsilon))
7229 distance=hypot((
double) dx,(
double) dy);
7230 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7231 dx*(distance+offset)/distance);
7232 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7233 dy*(distance+offset)/distance);
7240 #define MaxStrokePad (6*BezierQuantum+360)
7241 #define CheckPathExtent(pad_p,pad_q) \
7243 if ((pad_p) > MaxBezierCoordinates) \
7244 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7246 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \
7248 if (~extent_p < (pad_p)) \
7249 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7252 extent_p+=(pad_p); \
7253 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7254 MaxStrokePad,sizeof(*stroke_p)); \
7257 if ((pad_q) > MaxBezierCoordinates) \
7258 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7260 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \
7262 if (~extent_q < (pad_q)) \
7263 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7266 extent_q+=(pad_q); \
7267 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7268 MaxStrokePad,sizeof(*stroke_q)); \
7271 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7273 if (stroke_p != (PointInfo *) NULL) \
7274 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7275 if (stroke_q != (PointInfo *) NULL) \
7276 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7277 polygon_primitive=(PrimitiveInfo *) \
7278 RelinquishMagickMemory(polygon_primitive); \
7279 (void) ThrowMagickException(exception,GetMagickModule(), \
7280 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7281 return((PrimitiveInfo *) NULL); \
7285 typedef struct _StrokeSegment
7331 inverse_slope = {0.0, 0.0},
7338 number_vertices=primitive_info->coordinates;
7339 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7340 number_vertices+2UL,
sizeof(*polygon_primitive));
7343 (void) ThrowMagickException(exception,GetMagickModule(),
7344 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7347 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7348 sizeof(*polygon_primitive));
7349 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7350 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7351 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7352 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7353 if (((draw_info->linejoin == RoundJoin) ||
7354 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7356 polygon_primitive[number_vertices]=primitive_info[1];
7359 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7365 for (n=1; n < (ssize_t) number_vertices; n++)
7367 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7368 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7369 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7372 if (n == (ssize_t) number_vertices)
7374 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7380 sizeof(*stroke_polygon));
7381 stroke_polygon[0]=polygon_primitive[0];
7382 stroke_polygon[0].coordinates=0;
7385 return(stroke_polygon);
7387 n=(ssize_t) number_vertices-1L;
7389 extent_p=2*number_vertices;
7390 extent_q=2*number_vertices;
7391 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7393 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7398 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7400 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7402 RelinquishMagickMemory(polygon_primitive);
7403 (void) ThrowMagickException(exception,GetMagickModule(),
7404 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7408 inverse_slope.p=0.0;
7409 if (fabs(dx.p) < MagickEpsilon)
7412 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7414 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7417 if (fabs(dy.p) < MagickEpsilon)
7420 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7422 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7427 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7429 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7430 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7431 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7432 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7433 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7434 offset.y=(double) (offset.x*inverse_slope.p);
7435 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7437 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7438 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7439 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7440 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7441 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7442 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7443 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7444 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7448 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7449 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7450 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7451 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7452 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7453 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7454 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7455 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7462 stroke_q[p++]=box_q[0];
7463 stroke_p[q++]=box_p[0];
7464 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7469 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7470 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7471 dot_product=dx.q*dx.q+dy.q*dy.q;
7472 if (dot_product < 0.25)
7475 inverse_slope.q=0.0;
7476 if (fabs(dx.q) < MagickEpsilon)
7479 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7481 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7484 if (fabs(dy.q) < MagickEpsilon)
7487 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7489 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7494 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7496 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7497 offset.y=(double) (offset.x*inverse_slope.q);
7498 dot_product=dy.q*offset.x-dx.q*offset.y;
7499 if (dot_product > 0.0)
7501 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7502 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7503 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7504 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7505 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7506 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7507 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7508 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7512 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7513 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7514 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7515 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7516 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7517 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7518 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7519 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7521 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7528 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7529 box_p[3].y)/(slope.p-slope.q));
7530 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7531 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7532 box_q[3].y)/(slope.p-slope.q));
7533 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7535 DisableMSCWarning(4127)
7536 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7538 dot_product=dx.q*dy.p-dx.p*dy.q;
7539 if (dot_product <= 0.0)
7540 switch (draw_info->linejoin)
7544 stroke_q[q++]=box_q[1];
7545 stroke_q[q++]=box_q[2];
7546 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7547 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7548 if (dot_product <= miterlimit)
7549 stroke_p[p++]=box_p[4];
7552 stroke_p[p++]=box_p[1];
7553 stroke_p[p++]=box_p[2];