48 #include "magick/studio.h"
49 #include "magick/annotate.h"
50 #include "magick/artifact.h"
51 #include "magick/blob.h"
52 #include "magick/cache.h"
53 #include "magick/cache-private.h"
54 #include "magick/cache-view.h"
55 #include "magick/channel.h"
56 #include "magick/color.h"
57 #include "magick/color-private.h"
58 #include "magick/colorspace.h"
59 #include "magick/colorspace-private.h"
60 #include "magick/composite.h"
61 #include "magick/composite-private.h"
62 #include "magick/constitute.h"
63 #include "magick/draw.h"
64 #include "magick/draw-private.h"
65 #include "magick/enhance.h"
66 #include "magick/exception.h"
67 #include "magick/exception-private.h"
68 #include "magick/gem.h"
69 #include "magick/geometry.h"
70 #include "magick/image-private.h"
71 #include "magick/list.h"
72 #include "magick/log.h"
73 #include "magick/memory-private.h"
74 #include "magick/monitor.h"
75 #include "magick/monitor-private.h"
76 #include "magick/option.h"
77 #include "magick/paint.h"
78 #include "magick/pixel-accessor.h"
79 #include "magick/pixel-private.h"
80 #include "magick/property.h"
81 #include "magick/resample.h"
82 #include "magick/resample-private.h"
83 #include "magick/resource_.h"
84 #include "magick/splay-tree.h"
85 #include "magick/string_.h"
86 #include "magick/string-private.h"
87 #include "magick/thread-private.h"
88 #include "magick/token.h"
89 #include "magick/transform.h"
90 #include "magick/utility.h"
95 #define BezierQuantum 200
96 #define PrimitiveExtentPad 4296.0
97 #define MaxBezierCoordinates 67108864
98 #define ThrowPointExpectedException(image,token) \
100 (void) ThrowMagickException(&(image)->exception,GetMagickModule(),DrawError, \
101 "NonconformingDrawingPrimitiveDefinition","`%s'",token); \
102 status=MagickFalse; \
192 *DrawClippingMask(
Image *,
const DrawInfo *,
const char *,
const char *,
195 static MagickBooleanType
200 const double,
const MagickBooleanType,
const MagickBooleanType),
201 TraceBezier(
MVGInfo *,
const size_t),
207 TraceSquareLinecap(
PrimitiveInfo *,
const size_t,
const double);
233 MagickExport
DrawInfo *AcquireDrawInfo(
void)
238 draw_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*draw_info));
239 GetDrawInfo((
ImageInfo *) NULL,draw_info);
276 clone_info=(
DrawInfo *) AcquireCriticalMemory(
sizeof(*clone_info));
277 GetDrawInfo(image_info,clone_info);
280 if (draw_info->id != (
char *) NULL)
281 (void) CloneString(&clone_info->id,draw_info->id);
282 if (draw_info->primitive != (
char *) NULL)
283 (
void) CloneString(&clone_info->primitive,draw_info->primitive);
284 if (draw_info->geometry != (
char *) NULL)
285 (void) CloneString(&clone_info->geometry,draw_info->geometry);
286 clone_info->compliance=draw_info->compliance;
287 clone_info->viewbox=draw_info->viewbox;
288 clone_info->affine=draw_info->affine;
289 clone_info->gravity=draw_info->gravity;
290 clone_info->fill=draw_info->fill;
291 clone_info->stroke=draw_info->stroke;
292 clone_info->stroke_width=draw_info->stroke_width;
293 if (draw_info->fill_pattern != (
Image *) NULL)
294 clone_info->fill_pattern=CloneImage(draw_info->fill_pattern,0,0,MagickTrue,
295 &draw_info->fill_pattern->exception);
297 if (draw_info->tile != (
Image *) NULL)
298 clone_info->fill_pattern=CloneImage(draw_info->tile,0,0,MagickTrue,
299 &draw_info->tile->exception);
300 clone_info->tile=NewImageList();
301 if (draw_info->stroke_pattern != (
Image *) NULL)
302 clone_info->stroke_pattern=CloneImage(draw_info->stroke_pattern,0,0,
303 MagickTrue,&draw_info->stroke_pattern->exception);
304 clone_info->stroke_antialias=draw_info->stroke_antialias;
305 clone_info->text_antialias=draw_info->text_antialias;
306 clone_info->fill_rule=draw_info->fill_rule;
307 clone_info->linecap=draw_info->linecap;
308 clone_info->linejoin=draw_info->linejoin;
309 clone_info->miterlimit=draw_info->miterlimit;
310 clone_info->dash_offset=draw_info->dash_offset;
311 clone_info->decorate=draw_info->decorate;
312 clone_info->compose=draw_info->compose;
313 if (draw_info->text != (
char *) NULL)
314 (void) CloneString(&clone_info->text,draw_info->text);
315 if (draw_info->font != (
char *) NULL)
316 (
void) CloneString(&clone_info->font,draw_info->font);
317 if (draw_info->metrics != (
char *) NULL)
318 (void) CloneString(&clone_info->metrics,draw_info->metrics);
319 if (draw_info->family != (
char *) NULL)
320 (
void) CloneString(&clone_info->family,draw_info->family);
321 clone_info->style=draw_info->style;
322 clone_info->stretch=draw_info->stretch;
323 clone_info->weight=draw_info->weight;
324 if (draw_info->encoding != (
char *) NULL)
325 (void) CloneString(&clone_info->encoding,draw_info->encoding);
326 clone_info->pointsize=draw_info->pointsize;
327 clone_info->kerning=draw_info->kerning;
328 clone_info->interline_spacing=draw_info->interline_spacing;
329 clone_info->interword_spacing=draw_info->interword_spacing;
330 clone_info->direction=draw_info->direction;
331 if (draw_info->density != (
char *) NULL)
332 (
void) CloneString(&clone_info->density,draw_info->density);
333 clone_info->align=draw_info->align;
334 clone_info->undercolor=draw_info->undercolor;
335 clone_info->border_color=draw_info->border_color;
336 if (draw_info->server_name != (
char *) NULL)
337 (void) CloneString(&clone_info->server_name,draw_info->server_name);
338 if (draw_info->dash_pattern != (
double *) NULL)
343 for (x=0; fabs(draw_info->dash_pattern[x]) >= MagickEpsilon; x++) ;
344 clone_info->dash_pattern=(
double *) AcquireQuantumMemory((
size_t) (2*x+2),
345 sizeof(*clone_info->dash_pattern));
346 if (clone_info->dash_pattern == (
double *) NULL)
347 ThrowFatalException(ResourceLimitFatalError,
348 "UnableToAllocateDashPattern");
349 (void) memset(clone_info->dash_pattern,0,(
size_t) (2*x+2)*
350 sizeof(*clone_info->dash_pattern));
351 (void) memcpy(clone_info->dash_pattern,draw_info->dash_pattern,(
size_t)
352 (x+1)*
sizeof(*clone_info->dash_pattern));
354 clone_info->gradient=draw_info->gradient;
355 if (draw_info->gradient.stops != (
StopInfo *) NULL)
360 number_stops=clone_info->gradient.number_stops;
361 clone_info->gradient.stops=(
StopInfo *) AcquireQuantumMemory((
size_t)
362 number_stops,
sizeof(*clone_info->gradient.stops));
363 if (clone_info->gradient.stops == (
StopInfo *) NULL)
364 ThrowFatalException(ResourceLimitFatalError,
365 "UnableToAllocateDashPattern");
366 (void) memcpy(clone_info->gradient.stops,draw_info->gradient.stops,
367 (
size_t) number_stops*
sizeof(*clone_info->gradient.stops));
369 clone_info->bounds=draw_info->bounds;
370 clone_info->fill_opacity=draw_info->fill_opacity;
371 clone_info->stroke_opacity=draw_info->stroke_opacity;
372 clone_info->element_reference=draw_info->element_reference;
373 clone_info->clip_path=draw_info->clip_path;
374 clone_info->clip_units=draw_info->clip_units;
375 if (draw_info->clip_mask != (
char *) NULL)
376 (
void) CloneString(&clone_info->clip_mask,draw_info->clip_mask);
377 if (draw_info->clipping_mask != (
Image *) NULL)
378 clone_info->clipping_mask=CloneImage(draw_info->clipping_mask,0,0,
379 MagickTrue,&draw_info->clipping_mask->exception);
380 if (draw_info->composite_mask != (
Image *) NULL)
381 clone_info->composite_mask=CloneImage(draw_info->composite_mask,0,0,
382 MagickTrue,&draw_info->composite_mask->exception);
383 clone_info->render=draw_info->render;
384 clone_info->debug=draw_info->debug;
425 if (polygon_info->edges != (
EdgeInfo *) NULL)
427 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
428 if (polygon_info->edges[i].points != (
PointInfo *) NULL)
429 polygon_info->edges[i].points=(
PointInfo *)
430 RelinquishMagickMemory(polygon_info->edges[i].points);
431 polygon_info->edges=(
EdgeInfo *) RelinquishMagickMemory(
432 polygon_info->edges);
434 return((
PolygonInfo *) RelinquishMagickMemory(polygon_info));
437 #if defined(__cplusplus) || defined(c_plusplus)
441 static int DrawCompareEdges(
const void *p_edge,
const void *q_edge)
443 #define DrawCompareEdge(p,q) \
445 if (((p)-(q)) < 0.0) \
447 if (((p)-(q)) > 0.0) \
458 p=((
const EdgeInfo *) p_edge)->points;
459 q=((
const EdgeInfo *) q_edge)->points;
460 DrawCompareEdge(p[0].y,q[0].y);
461 DrawCompareEdge(p[0].x,q[0].x);
462 DrawCompareEdge((p[1].x-p[0].x)*(q[1].y-q[0].y),(p[1].y-p[0].y)*
464 DrawCompareEdge(p[1].y,q[1].y);
465 DrawCompareEdge(p[1].x,q[1].x);
469 #if defined(__cplusplus) || defined(c_plusplus)
473 static void LogPolygonInfo(
const PolygonInfo *polygon_info)
482 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin active-edge");
483 p=polygon_info->edges;
484 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
486 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" edge %.20g:",
488 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" direction: %s",
489 p->direction != MagickFalse ?
"down" :
"up");
490 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" ghostline: %s",
491 p->ghostline != MagickFalse ?
"transparent" :
"opaque");
492 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
493 " bounds: %g,%g - %g,%g",p->bounds.x1,p->bounds.y1,
494 p->bounds.x2,p->bounds.y2);
495 for (j=0; j < (ssize_t) p->number_points; j++)
496 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %g,%g",
497 p->points[j].x,p->points[j].y);
500 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end active-edge");
503 static void ReversePoints(
PointInfo *points,
const size_t number_points)
511 for (i=0; i < (ssize_t) (number_points >> 1); i++)
514 points[i]=points[number_points-(i+1)];
515 points[number_points-(i+1)]=point;
551 polygon_info=(
PolygonInfo *) AcquireMagickMemory(
sizeof(*polygon_info));
554 (void) ThrowMagickException(exception,GetMagickModule(),
555 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
559 polygon_info->edges=(
EdgeInfo *) AcquireQuantumMemory(number_edges,
560 sizeof(*polygon_info->edges));
561 if (polygon_info->edges == (
EdgeInfo *) NULL)
563 (void) ThrowMagickException(exception,GetMagickModule(),
564 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
565 return(DestroyPolygonInfo(polygon_info));
567 (void) memset(polygon_info->edges,0,number_edges*
568 sizeof(*polygon_info->edges));
571 ghostline=MagickFalse;
575 (void) memset(&point,0,
sizeof(point));
576 (void) memset(&bounds,0,
sizeof(bounds));
577 polygon_info->edges[edge].number_points=(size_t) n;
578 polygon_info->edges[edge].scanline=0.0;
579 polygon_info->edges[edge].highwater=0;
580 polygon_info->edges[edge].ghostline=ghostline;
581 polygon_info->edges[edge].direction=(ssize_t) direction;
582 polygon_info->edges[edge].points=points;
583 polygon_info->edges[edge].bounds=bounds;
584 polygon_info->number_edges=0;
585 for (i=0; path_info[i].code != EndCode; i++)
587 if ((path_info[i].code == MoveToCode) || (path_info[i].code == OpenCode) ||
588 (path_info[i].code == GhostlineCode))
593 if ((points != (
PointInfo *) NULL) && (n >= 2))
595 if (edge == number_edges)
598 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
599 polygon_info->edges,(
size_t) number_edges,
600 sizeof(*polygon_info->edges));
601 if (polygon_info->edges == (
EdgeInfo *) NULL)
603 (void) ThrowMagickException(exception,GetMagickModule(),
604 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
605 points=(
PointInfo *) RelinquishMagickMemory(points);
606 return(DestroyPolygonInfo(polygon_info));
609 polygon_info->edges[edge].number_points=(size_t) n;
610 polygon_info->edges[edge].scanline=(-1.0);
611 polygon_info->edges[edge].highwater=0;
612 polygon_info->edges[edge].ghostline=ghostline;
613 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
615 ReversePoints(points,(
size_t) n);
616 polygon_info->edges[edge].points=points;
617 polygon_info->edges[edge].bounds=bounds;
618 polygon_info->edges[edge].bounds.y1=points[0].y;
619 polygon_info->edges[edge].bounds.y2=points[n-1].y;
621 ghostline=MagickFalse;
623 polygon_info->number_edges=edge;
628 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
632 (void) ThrowMagickException(exception,GetMagickModule(),
633 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
634 return(DestroyPolygonInfo(polygon_info));
637 ghostline=path_info[i].code == GhostlineCode ? MagickTrue : MagickFalse;
638 point=path_info[i].point;
649 next_direction=((path_info[i].point.y > point.y) ||
650 ((fabs(path_info[i].point.y-point.y) < MagickEpsilon) &&
651 (path_info[i].point.x > point.x))) ? 1 : -1;
652 if ((points != (
PointInfo *) NULL) && (direction != 0) &&
653 (direction != next_direction))
659 if (edge == number_edges)
662 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
663 polygon_info->edges,(
size_t) number_edges,
664 sizeof(*polygon_info->edges));
665 if (polygon_info->edges == (
EdgeInfo *) NULL)
667 (void) ThrowMagickException(exception,GetMagickModule(),
668 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
669 points=(
PointInfo *) RelinquishMagickMemory(points);
670 return(DestroyPolygonInfo(polygon_info));
673 polygon_info->edges[edge].number_points=(size_t) n;
674 polygon_info->edges[edge].scanline=(-1.0);
675 polygon_info->edges[edge].highwater=0;
676 polygon_info->edges[edge].ghostline=ghostline;
677 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
679 ReversePoints(points,(
size_t) n);
680 polygon_info->edges[edge].points=points;
681 polygon_info->edges[edge].bounds=bounds;
682 polygon_info->edges[edge].bounds.y1=points[0].y;
683 polygon_info->edges[edge].bounds.y2=points[n-1].y;
684 polygon_info->number_edges=edge+1;
687 points=(
PointInfo *) AcquireQuantumMemory((
size_t) number_points,
691 (void) ThrowMagickException(exception,GetMagickModule(),
692 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
693 return(DestroyPolygonInfo(polygon_info));
696 ghostline=MagickFalse;
702 direction=next_direction;
705 if (n == (ssize_t) number_points)
708 points=(
PointInfo *) ResizeQuantumMemory(points,(
size_t) number_points,
712 (void) ThrowMagickException(exception,GetMagickModule(),
713 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
714 return(DestroyPolygonInfo(polygon_info));
717 point=path_info[i].point;
719 if (point.x < bounds.x1)
721 if (point.x > bounds.x2)
728 points=(
PointInfo *) RelinquishMagickMemory(points);
731 if (edge == number_edges)
734 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(
735 polygon_info->edges,(
size_t) number_edges,
736 sizeof(*polygon_info->edges));
737 if (polygon_info->edges == (
EdgeInfo *) NULL)
739 (void) ThrowMagickException(exception,GetMagickModule(),
740 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
741 return(DestroyPolygonInfo(polygon_info));
744 polygon_info->edges[edge].number_points=(size_t) n;
745 polygon_info->edges[edge].scanline=(-1.0);
746 polygon_info->edges[edge].highwater=0;
747 polygon_info->edges[edge].ghostline=ghostline;
748 polygon_info->edges[edge].direction=(ssize_t) (direction > 0);
750 ReversePoints(points,(
size_t) n);
751 polygon_info->edges[edge].points=points;
752 polygon_info->edges[edge].bounds=bounds;
753 polygon_info->edges[edge].bounds.y1=points[0].y;
754 polygon_info->edges[edge].bounds.y2=points[n-1].y;
756 ghostline=MagickFalse;
758 polygon_info->number_edges=edge;
761 polygon_info->number_edges=edge;
762 polygon_info->number_edges=edge;
763 polygon_info->edges=(
EdgeInfo *) ResizeQuantumMemory(polygon_info->edges,
764 polygon_info->number_edges,
sizeof(*polygon_info->edges));
765 if (polygon_info->edges == (
EdgeInfo *) NULL)
767 (void) ThrowMagickException(exception,GetMagickModule(),
768 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
769 return(DestroyPolygonInfo(polygon_info));
771 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
776 edge_info=polygon_info->edges+i;
777 edge_info->points=(
PointInfo *) ResizeQuantumMemory(edge_info->points,
778 edge_info->number_points,
sizeof(*edge_info->points));
779 if (edge_info->points == (
PointInfo *) NULL)
781 (void) ThrowMagickException(exception,GetMagickModule(),
782 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
783 return(DestroyPolygonInfo(polygon_info));
786 qsort(polygon_info->edges,(
size_t) polygon_info->number_edges,
787 sizeof(*polygon_info->edges),DrawCompareEdges);
788 if ((GetLogEventMask() & DrawEvent) != 0)
789 LogPolygonInfo(polygon_info);
790 return(polygon_info);
824 static void LogPathInfo(
const PathInfo *path_info)
829 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin vector-path");
830 for (p=path_info; p->code != EndCode; p++)
831 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
832 " %g,%g %s",p->point.x,p->point.y,p->code == GhostlineCode ?
833 "moveto ghostline" : p->code == OpenCode ?
"moveto open" :
834 p->code == MoveToCode ?
"moveto" : p->code == LineToCode ?
"lineto" :
836 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end vector-path");
839 static PathInfo *ConvertPrimitiveToPath(
864 magick_unreferenced(draw_info);
869 switch (primitive_info->primitive)
880 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
881 path_info=(
PathInfo *) AcquireQuantumMemory((
size_t) (3UL*i+1UL),
885 (void) ThrowMagickException(exception,GetMagickModule(),
886 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
890 closed_subpath=MagickFalse;
897 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
900 if (coordinates <= 0)
905 coordinates=(ssize_t) primitive_info[i].coordinates;
906 p=primitive_info[i].point;
909 closed_subpath=primitive_info[i].closed_subpath;
912 if ((code == MoveToCode) || (coordinates <= 0) ||
913 (fabs(q.x-primitive_info[i].point.x) >= MagickEpsilon) ||
914 (fabs(q.y-primitive_info[i].point.y) >= MagickEpsilon))
919 path_info[n].code=code;
920 path_info[n].point=primitive_info[i].point;
921 q=primitive_info[i].point;
926 if (closed_subpath != MagickFalse)
928 closed_subpath=MagickFalse;
934 path_info[start].code=OpenCode;
935 path_info[n].code=GhostlineCode;
936 path_info[n].point=primitive_info[i].point;
938 path_info[n].code=LineToCode;
939 path_info[n].point=p;
942 path_info[n].code=EndCode;
943 path_info[n].point.x=0.0;
944 path_info[n].point.y=0.0;
945 if (IsEventLogging() != MagickFalse)
946 LogPathInfo(path_info);
947 path_info=(
PathInfo *) ResizeQuantumMemory(path_info,(
size_t) (n+1),
976 assert(draw_info != (
DrawInfo *) NULL);
977 assert(draw_info->signature == MagickCoreSignature);
978 if (IsEventLogging() != MagickFalse)
979 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
980 if (draw_info->id != (
char *) NULL)
981 draw_info->id=DestroyString(draw_info->id);
982 if (draw_info->primitive != (
char *) NULL)
983 draw_info->primitive=DestroyString(draw_info->primitive);
984 if (draw_info->text != (
char *) NULL)
985 draw_info->text=DestroyString(draw_info->text);
986 if (draw_info->geometry != (
char *) NULL)
987 draw_info->geometry=DestroyString(draw_info->geometry);
988 if (draw_info->tile != (
Image *) NULL)
989 draw_info->tile=DestroyImage(draw_info->tile);
990 if (draw_info->fill_pattern != (
Image *) NULL)
991 draw_info->fill_pattern=DestroyImage(draw_info->fill_pattern);
992 if (draw_info->stroke_pattern != (
Image *) NULL)
993 draw_info->stroke_pattern=DestroyImage(draw_info->stroke_pattern);
994 if (draw_info->font != (
char *) NULL)
995 draw_info->font=DestroyString(draw_info->font);
996 if (draw_info->metrics != (
char *) NULL)
997 draw_info->metrics=DestroyString(draw_info->metrics);
998 if (draw_info->family != (
char *) NULL)
999 draw_info->family=DestroyString(draw_info->family);
1000 if (draw_info->encoding != (
char *) NULL)
1001 draw_info->encoding=DestroyString(draw_info->encoding);
1002 if (draw_info->density != (
char *) NULL)
1003 draw_info->density=DestroyString(draw_info->density);
1004 if (draw_info->server_name != (
char *) NULL)
1005 draw_info->server_name=(
char *)
1006 RelinquishMagickMemory(draw_info->server_name);
1007 if (draw_info->dash_pattern != (
double *) NULL)
1008 draw_info->dash_pattern=(
double *) RelinquishMagickMemory(
1009 draw_info->dash_pattern);
1010 if (draw_info->gradient.stops != (
StopInfo *) NULL)
1011 draw_info->gradient.stops=(
StopInfo *) RelinquishMagickMemory(
1012 draw_info->gradient.stops);
1013 if (draw_info->clip_mask != (
char *) NULL)
1014 draw_info->clip_mask=DestroyString(draw_info->clip_mask);
1015 if (draw_info->clipping_mask != (
Image *) NULL)
1016 draw_info->clipping_mask=DestroyImage(draw_info->clipping_mask);
1017 if (draw_info->composite_mask != (
Image *) NULL)
1018 draw_info->composite_mask=DestroyImage(draw_info->composite_mask);
1019 draw_info->signature=(~MagickCoreSignature);
1020 draw_info=(
DrawInfo *) RelinquishMagickMemory(draw_info);
1069 inverse_edge.x1=edge->x1;
1070 inverse_edge.y1=edge->y1;
1071 inverse_edge.x2=edge->x2;
1072 inverse_edge.y2=edge->y2;
1073 z=affine->ry*y+affine->tx;
1074 if (affine->sx >= MagickEpsilon)
1076 intercept=(-z/affine->sx);
1078 if (x > inverse_edge.x1)
1080 intercept=(-z+(double) image->columns)/affine->sx;
1082 if (x < inverse_edge.x2)
1086 if (affine->sx < -MagickEpsilon)
1088 intercept=(-z+(double) image->columns)/affine->sx;
1090 if (x > inverse_edge.x1)
1092 intercept=(-z/affine->sx);
1094 if (x < inverse_edge.x2)
1098 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->columns))
1100 inverse_edge.x2=edge->x1;
1101 return(inverse_edge);
1106 z=affine->sy*y+affine->ty;
1107 if (affine->rx >= MagickEpsilon)
1109 intercept=(-z/affine->rx);
1111 if (x > inverse_edge.x1)
1113 intercept=(-z+(double) image->rows)/affine->rx;
1115 if (x < inverse_edge.x2)
1119 if (affine->rx < -MagickEpsilon)
1121 intercept=(-z+(double) image->rows)/affine->rx;
1123 if (x > inverse_edge.x1)
1125 intercept=(-z/affine->rx);
1127 if (x < inverse_edge.x2)
1131 if ((z < 0.0) || ((size_t) floor(z+0.5) >= image->rows))
1133 inverse_edge.x2=edge->x2;
1134 return(inverse_edge);
1136 return(inverse_edge);
1147 determinant=PerceptibleReciprocal(affine->sx*affine->sy-affine->rx*
1149 inverse_affine.sx=determinant*affine->sy;
1150 inverse_affine.rx=determinant*(-affine->rx);
1151 inverse_affine.ry=determinant*(-affine->ry);
1152 inverse_affine.sy=determinant*affine->sx;
1153 inverse_affine.tx=(-affine->tx)*inverse_affine.sx-affine->ty*
1155 inverse_affine.ty=(-affine->tx)*inverse_affine.rx-affine->ty*
1157 return(inverse_affine);
1160 MagickExport MagickBooleanType DrawAffineImage(
Image *image,
1199 assert(image != (
Image *) NULL);
1200 assert(image->signature == MagickCoreSignature);
1201 assert(source != (
const Image *) NULL);
1202 assert(source->signature == MagickCoreSignature);
1203 if (IsEventLogging() != MagickFalse)
1204 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1208 extent[1].x=(double) source->columns-1.0;
1210 extent[2].x=(
double) source->columns-1.0;
1211 extent[2].y=(double) source->rows-1.0;
1213 extent[3].y=(
double) source->rows-1.0;
1214 for (i=0; i < 4; i++)
1217 extent[i].x=point.x*affine->sx+point.y*affine->ry+affine->tx;
1218 extent[i].y=point.x*affine->rx+point.y*affine->sy+affine->ty;
1222 for (i=1; i < 4; i++)
1224 if (min.x > extent[i].x)
1226 if (min.y > extent[i].y)
1228 if (max.x < extent[i].x)
1230 if (max.y < extent[i].y)
1236 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
1237 return(MagickFalse);
1239 edge.x1=MagickMax(min.x,0.0);
1240 edge.y1=MagickMax(min.y,0.0);
1241 edge.x2=MagickMin(max.x,(
double) image->columns-1.0);
1242 edge.y2=MagickMin(max.y,(
double) image->rows-1.0);
1243 inverse_affine=InverseAffineMatrix(affine);
1244 GetMagickPixelPacket(image,&zero);
1245 exception=(&image->exception);
1246 start=CastDoubleToLong(ceil(edge.y1-0.5));
1247 stop=CastDoubleToLong(floor(edge.y2+0.5));
1248 source_view=AcquireVirtualCacheView(source,exception);
1249 image_view=AcquireAuthenticCacheView(image,exception);
1250 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1251 #pragma omp parallel for schedule(static) shared(status) \
1252 magick_number_threads(source,image,stop-start,1)
1254 for (y=start; y <= stop; y++)
1264 *magick_restrict indexes;
1278 if (status == MagickFalse)
1280 inverse_edge=AffineEdge(source,&inverse_affine,(
double) y,&edge);
1281 if (inverse_edge.x2 < inverse_edge.x1)
1283 q=GetCacheViewAuthenticPixels(image_view,CastDoubleToLong(
1284 ceil(inverse_edge.x1-0.5)),y,(
size_t) CastDoubleToLong(floor(
1285 inverse_edge.x2+0.5)-ceil(inverse_edge.x1-0.5)+1),1,exception);
1288 indexes=GetCacheViewAuthenticIndexQueue(image_view);
1292 for (x=CastDoubleToLong(ceil(inverse_edge.x1-0.5));
1293 x <= CastDoubleToLong(floor(inverse_edge.x2+0.5)); x++)
1295 point.x=(double) x*inverse_affine.sx+y*inverse_affine.ry+
1297 point.y=(
double) x*inverse_affine.rx+y*inverse_affine.sy+
1299 status=InterpolateMagickPixelPacket(source,source_view,
1300 UndefinedInterpolatePixel,point.x,point.y,&pixel,exception);
1301 if (status == MagickFalse)
1303 SetMagickPixelPacket(image,q,indexes+x_offset,&composite);
1304 MagickPixelCompositeOver(&pixel,pixel.opacity,&composite,
1305 composite.opacity,&composite);
1306 SetPixelPacket(image,&composite,q,indexes+x_offset);
1310 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1313 source_view=DestroyCacheView(source_view);
1314 image_view=DestroyCacheView(image_view);
1347 static MagickBooleanType DrawBoundingRectangles(
Image *image,
1376 (void) memset(primitive_info,0,
sizeof(primitive_info));
1377 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1378 status=QueryColorDatabase(
"#0000",&clone_info->fill,&image->exception);
1379 if (status == MagickFalse)
1381 clone_info=DestroyDrawInfo(clone_info);
1382 return(MagickFalse);
1386 if (clone_info->density != (
char *) NULL)
1394 flags=ParseGeometry(clone_info->density,&geometry_info);
1395 if ((flags & RhoValue) != 0)
1396 resolution.x=geometry_info.rho;
1397 resolution.y=resolution.x;
1398 if ((flags & SigmaValue) != 0)
1399 resolution.y=geometry_info.sigma;
1401 mid=(resolution.x/96.0)*ExpandAffine(&clone_info->affine)*
1402 clone_info->stroke_width/2.0;
1409 bounds=polygon_info->edges[0].bounds;
1410 for (i=1; i < (ssize_t) polygon_info->number_edges; i++)
1412 if (polygon_info->edges[i].bounds.x1 < (
double) bounds.x1)
1413 bounds.x1=polygon_info->edges[i].bounds.x1;
1414 if (polygon_info->edges[i].bounds.y1 < (
double) bounds.y1)
1415 bounds.y1=polygon_info->edges[i].bounds.y1;
1416 if (polygon_info->edges[i].bounds.x2 > (
double) bounds.x2)
1417 bounds.x2=polygon_info->edges[i].bounds.x2;
1418 if (polygon_info->edges[i].bounds.y2 > (
double) bounds.y2)
1419 bounds.y2=polygon_info->edges[i].bounds.y2;
1422 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double)
1423 image->columns ? (
double) image->columns-1 : bounds.x1;
1425 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double)
1426 image->rows ? (
double) image->rows-1 : bounds.y1;
1428 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double)
1429 image->columns ? (
double) image->columns-1 : bounds.x2;
1431 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double)
1432 image->rows ? (
double) image->rows-1 : bounds.y2;
1433 for (i=0; i < (ssize_t) polygon_info->number_edges; i++)
1435 if (polygon_info->edges[i].direction != 0)
1436 status=QueryColorDatabase(
"#f00",&clone_info->stroke,
1439 status=QueryColorDatabase(
"#0f0",&clone_info->stroke,
1441 if (status == MagickFalse)
1443 start.x=(double) (polygon_info->edges[i].bounds.x1-mid);
1444 start.y=(double) (polygon_info->edges[i].bounds.y1-mid);
1445 end.x=(double) (polygon_info->edges[i].bounds.x2+mid);
1446 end.y=(double) (polygon_info->edges[i].bounds.y2+mid);
1447 primitive_info[0].primitive=RectanglePrimitive;
1448 status&=TraceRectangle(primitive_info,start,end);
1449 primitive_info[0].method=ReplaceMethod;
1450 coordinates=(ssize_t) primitive_info[0].coordinates;
1451 primitive_info[coordinates].primitive=UndefinedPrimitive;
1452 status=DrawPrimitive(image,clone_info,primitive_info);
1453 if (status == MagickFalse)
1456 if (i < (ssize_t) polygon_info->number_edges)
1458 clone_info=DestroyDrawInfo(clone_info);
1459 return(status == 0 ? MagickFalse : MagickTrue);
1462 status=QueryColorDatabase(
"#00f",&clone_info->stroke,&image->exception);
1463 if (status == MagickFalse)
1465 clone_info=DestroyDrawInfo(clone_info);
1466 return(MagickFalse);
1468 start.x=(double) (bounds.x1-mid);
1469 start.y=(double) (bounds.y1-mid);
1470 end.x=(double) (bounds.x2+mid);
1471 end.y=(double) (bounds.y2+mid);
1472 primitive_info[0].primitive=RectanglePrimitive;
1473 status&=TraceRectangle(primitive_info,start,end);
1474 primitive_info[0].method=ReplaceMethod;
1475 coordinates=(ssize_t) primitive_info[0].coordinates;
1476 primitive_info[coordinates].primitive=UndefinedPrimitive;
1477 status=DrawPrimitive(image,clone_info,primitive_info);
1478 clone_info=DestroyDrawInfo(clone_info);
1479 return(status == 0 ? MagickFalse : MagickTrue);
1509 MagickExport MagickBooleanType DrawClipPath(
Image *image,
1510 const DrawInfo *draw_info,
const char *
id)
1521 clip_path=GetImageArtifact(image,
id);
1522 if (clip_path == (
const char *) NULL)
1523 return(MagickFalse);
1524 clipping_mask=DrawClippingMask(image,draw_info,draw_info->clip_mask,clip_path,
1526 if (clipping_mask == (
Image *) NULL)
1527 return(MagickFalse);
1528 status=SetImageClipMask(image,clipping_mask);
1529 clipping_mask=DestroyImage(clipping_mask);
1566 const char *
id,
const char *clip_path,
ExceptionInfo *exception)
1580 assert(image != (
Image *) NULL);
1581 assert(image->signature == MagickCoreSignature);
1582 assert(draw_info != (
const DrawInfo *) NULL);
1583 if (IsEventLogging() != MagickFalse)
1584 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1585 clip_mask=AcquireImage((
const ImageInfo *) NULL);
1586 status=SetImageExtent(clip_mask,image->columns,image->rows);
1587 if (status == MagickFalse)
1588 return(DestroyImage(clip_mask));
1589 status=SetImageClipMask(image,(
Image *) NULL);
1590 status=QueryColorCompliance(
"#0000",AllCompliance,
1591 &clip_mask->background_color,exception);
1592 clip_mask->background_color.opacity=(Quantum) TransparentOpacity;
1593 status=SetImageBackgroundColor(clip_mask);
1594 if (draw_info->debug != MagickFalse)
1595 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin clip-path %s",
1597 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1598 (void) CloneString(&clone_info->primitive,clip_path);
1599 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1601 if (clone_info->clip_mask != (
char *) NULL)
1602 clone_info->clip_mask=DestroyString(clone_info->clip_mask);
1603 (void) QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1605 clone_info->stroke_width=0.0;
1606 clone_info->opacity=OpaqueOpacity;
1607 clone_info->clip_path=MagickTrue;
1608 status=RenderMVGContent(clip_mask,clone_info,0);
1609 clone_info=DestroyDrawInfo(clone_info);
1610 status&=SeparateImageChannel(clip_mask,TrueAlphaChannel);
1611 if (draw_info->compliance != SVGCompliance)
1612 status&=NegateImage(clip_mask,MagickFalse);
1613 if (status == MagickFalse)
1614 clip_mask=DestroyImage(clip_mask);
1615 if (draw_info->debug != MagickFalse)
1616 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end clip-path");
1652 const char *
id,
const char *mask_path,
ExceptionInfo *exception)
1666 assert(image != (
Image *) NULL);
1667 assert(image->signature == MagickCoreSignature);
1668 assert(draw_info != (
const DrawInfo *) NULL);
1669 if (IsEventLogging() != MagickFalse)
1670 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
1671 composite_mask=AcquireImage((
const ImageInfo *) NULL);
1672 status=SetImageExtent(composite_mask,image->columns,image->rows);
1673 if (status == MagickFalse)
1674 return(DestroyImage(composite_mask));
1675 status=SetImageMask(image,(
Image *) NULL);
1676 status=QueryColorCompliance(
"#0000",AllCompliance,
1677 &composite_mask->background_color,exception);
1678 composite_mask->background_color.opacity=(Quantum) TransparentOpacity;
1679 (void) SetImageBackgroundColor(composite_mask);
1680 if (draw_info->debug != MagickFalse)
1681 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"\nbegin mask-path %s",
1683 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1684 (void) CloneString(&clone_info->primitive,mask_path);
1685 status=QueryColorCompliance(
"#ffffff",AllCompliance,&clone_info->fill,
1687 status=QueryColorCompliance(
"#00000000",AllCompliance,&clone_info->stroke,
1689 clone_info->stroke_width=0.0;
1690 clone_info->opacity=OpaqueOpacity;
1691 status=RenderMVGContent(composite_mask,clone_info,0);
1692 clone_info=DestroyDrawInfo(clone_info);
1693 status&=SeparateImageChannel(composite_mask,TrueAlphaChannel);
1694 status&=NegateImage(composite_mask,MagickFalse);
1695 if (status == MagickFalse)
1696 composite_mask=DestroyImage(composite_mask);
1697 if (draw_info->debug != MagickFalse)
1698 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end mask-path");
1699 return(composite_mask);
1731 static MagickBooleanType DrawDashPolygon(
const DrawInfo *draw_info,
1762 assert(draw_info != (
const DrawInfo *) NULL);
1763 if (draw_info->debug != MagickFalse)
1764 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1765 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1766 number_vertices=(size_t) i;
1767 dash_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1768 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1771 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1772 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1773 return(MagickFalse);
1775 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1776 sizeof(*dash_polygon));
1777 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1778 clone_info->miterlimit=0;
1779 dash_polygon[0]=primitive_info[0];
1780 scale=ExpandAffine(&draw_info->affine);
1781 length=scale*draw_info->dash_pattern[0];
1782 offset=fabs(draw_info->dash_offset) >= MagickEpsilon ?
1783 scale*draw_info->dash_offset : 0.0;
1785 for (n=0; offset > 0.0; j=0)
1787 if (draw_info->dash_pattern[n] <= 0.0)
1789 length=scale*(draw_info->dash_pattern[n]+(n == 0 ? -0.5 : 0.5));
1790 if (offset > length)
1794 length=scale*draw_info->dash_pattern[n];
1797 if (offset < length)
1809 for (i=1; (i < (ssize_t) number_vertices) && (length >= 0.0); i++)
1811 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
1812 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
1813 maximum_length=hypot(dx,dy);
1814 if (maximum_length > (
double) (MaxBezierCoordinates >> 2))
1816 if (fabs(length) < MagickEpsilon)
1818 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1820 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1822 length=scale*draw_info->dash_pattern[n];
1824 for (total_length=0.0; (length >= 0.0) && (maximum_length >= (total_length+length)); )
1826 total_length+=length;
1827 if ((n & 0x01) != 0)
1829 dash_polygon[0]=primitive_info[0];
1830 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1831 total_length*PerceptibleReciprocal(maximum_length));
1832 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1833 total_length*PerceptibleReciprocal(maximum_length));
1838 if ((j+1) > (ssize_t) number_vertices)
1840 dash_polygon[j]=primitive_info[i-1];
1841 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1842 total_length*PerceptibleReciprocal(maximum_length));
1843 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1844 total_length*PerceptibleReciprocal(maximum_length));
1845 dash_polygon[j].coordinates=1;
1847 dash_polygon[0].coordinates=(size_t) j;
1848 dash_polygon[j].primitive=UndefinedPrimitive;
1849 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1850 if (status == MagickFalse)
1853 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1855 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1857 length=scale*draw_info->dash_pattern[n];
1859 length-=(maximum_length-total_length);
1860 if ((n & 0x01) != 0)
1862 dash_polygon[j]=primitive_info[i];
1863 dash_polygon[j].coordinates=1;
1866 if ((status != MagickFalse) && (total_length < maximum_length) &&
1867 ((n & 0x01) == 0) && (j > 1))
1869 dash_polygon[j]=primitive_info[i-1];
1870 dash_polygon[j].point.x+=MagickEpsilon;
1871 dash_polygon[j].point.y+=MagickEpsilon;
1872 dash_polygon[j].coordinates=1;
1874 dash_polygon[0].coordinates=(size_t) j;
1875 dash_polygon[j].primitive=UndefinedPrimitive;
1876 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1878 dash_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1879 clone_info=DestroyDrawInfo(clone_info);
1880 if (draw_info->debug != MagickFalse)
1881 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1882 return(status != 0 ? MagickTrue : MagickFalse);
1911 static inline double GetStopColorOffset(
const GradientInfo *gradient,
1912 const ssize_t x,
const ssize_t y)
1914 switch (gradient->type)
1916 case UndefinedGradient:
1917 case LinearGradient:
1932 gradient_vector=(&gradient->gradient_vector);
1933 p.x=gradient_vector->x2-gradient_vector->x1;
1934 p.y=gradient_vector->y2-gradient_vector->y1;
1935 q.x=(double) x-gradient_vector->x1;
1936 q.y=(
double) y-gradient_vector->y1;
1937 length=sqrt(q.x*q.x+q.y*q.y);
1938 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1939 gamma=PerceptibleReciprocal(gamma);
1940 scale=p.x*q.x+p.y*q.y;
1941 offset=gamma*scale*length;
1944 case RadialGradient:
1949 if (gradient->spread == RepeatSpread)
1951 v.x=(double) x-gradient->center.x;
1952 v.y=(
double) y-gradient->center.y;
1953 return(sqrt(v.x*v.x+v.y*v.y));
1955 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1956 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1957 gradient->angle))))*PerceptibleReciprocal(gradient->radii.x);
1958 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1959 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1960 gradient->angle))))*PerceptibleReciprocal(gradient->radii.y);
1961 return(sqrt(v.x*v.x+v.y*v.y));
1967 MagickExport MagickBooleanType DrawGradientImage(
Image *image,
2003 assert(image != (
Image *) NULL);
2004 assert(image->signature == MagickCoreSignature);
2005 assert(draw_info != (
const DrawInfo *) NULL);
2006 if (IsEventLogging() != MagickFalse)
2007 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2008 gradient=(&draw_info->gradient);
2009 gradient_vector=(&gradient->gradient_vector);
2010 point.x=gradient_vector->x2-gradient_vector->x1;
2011 point.y=gradient_vector->y2-gradient_vector->y1;
2012 length=sqrt(point.x*point.x+point.y*point.y);
2013 bounding_box=gradient->bounding_box;
2015 exception=(&image->exception);
2016 GetMagickPixelPacket(image,&zero);
2017 image_view=AcquireAuthenticCacheView(image,exception);
2018 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2019 #pragma omp parallel for schedule(static) shared(status) \
2020 magick_number_threads(image,image,bounding_box.height-bounding_box.y,1)
2022 for (y=bounding_box.y; y < (ssize_t) bounding_box.height; y++)
2033 *magick_restrict indexes;
2045 if (status == MagickFalse)
2047 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2053 indexes=GetCacheViewAuthenticIndexQueue(image_view);
2056 offset=GetStopColorOffset(gradient,0,y);
2057 if (gradient->type != RadialGradient)
2058 offset*=PerceptibleReciprocal(length);
2059 for (x=bounding_box.x; x < (ssize_t) bounding_box.width; x++)
2061 SetMagickPixelPacket(image,q,indexes+x,&pixel);
2062 switch (gradient->spread)
2064 case UndefinedSpread:
2067 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2068 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2070 offset=GetStopColorOffset(gradient,x,y);
2071 if (gradient->type != RadialGradient)
2072 offset*=PerceptibleReciprocal(length);
2074 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2075 if (offset < gradient->stops[i].offset)
2077 if ((offset < 0.0) || (i == 0))
2078 composite=gradient->stops[0].color;
2080 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2081 composite=gradient->stops[gradient->number_stops-1].color;
2086 alpha=(offset-gradient->stops[i].offset)/
2087 (gradient->stops[j].offset-gradient->stops[i].offset);
2088 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2089 &gradient->stops[j].color,alpha,&composite);
2095 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2096 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2098 offset=GetStopColorOffset(gradient,x,y);
2099 if (gradient->type != RadialGradient)
2100 offset*=PerceptibleReciprocal(length);
2104 if ((ssize_t) fmod(offset,2.0) == 0)
2105 offset=fmod(offset,1.0);
2107 offset=1.0-fmod(offset,1.0);
2108 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2109 if (offset < gradient->stops[i].offset)
2112 composite=gradient->stops[0].color;
2114 if (i == (ssize_t) gradient->number_stops)
2115 composite=gradient->stops[gradient->number_stops-1].color;
2120 alpha=(offset-gradient->stops[i].offset)/
2121 (gradient->stops[j].offset-gradient->stops[i].offset);
2122 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2123 &gradient->stops[j].color,alpha,&composite);
2135 antialias=MagickFalse;
2137 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2138 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2140 offset=GetStopColorOffset(gradient,x,y);
2141 if (gradient->type == LinearGradient)
2143 repeat=fmod(offset,length);
2145 repeat=length-fmod(-repeat,length);
2147 repeat=fmod(offset,length);
2148 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2149 MagickTrue : MagickFalse;
2150 offset=PerceptibleReciprocal(length)*repeat;
2154 repeat=fmod(offset,(
double) gradient->radius);
2156 repeat=gradient->radius-fmod(-repeat,
2157 (
double) gradient->radius);
2159 repeat=fmod(offset,(
double) gradient->radius);
2160 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2162 offset=repeat*PerceptibleReciprocal(gradient->radius);
2165 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2166 if (offset < gradient->stops[i].offset)
2169 composite=gradient->stops[0].color;
2171 if (i == (ssize_t) gradient->number_stops)
2172 composite=gradient->stops[gradient->number_stops-1].color;
2177 alpha=(offset-gradient->stops[i].offset)/
2178 (gradient->stops[j].offset-gradient->stops[i].offset);
2179 if (antialias != MagickFalse)
2181 if (gradient->type == LinearGradient)
2182 alpha=length-repeat;
2184 alpha=gradient->radius-repeat;
2186 j=(ssize_t) gradient->number_stops-1L;
2188 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2189 &gradient->stops[j].color,alpha,&composite);
2194 MagickPixelCompositeOver(&composite,composite.opacity,&pixel,
2195 pixel.opacity,&pixel);
2196 SetPixelPacket(image,&pixel,q,indexes+x);
2199 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2202 image_view=DestroyCacheView(image_view);
2235 static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2239 **text = (
char **) NULL;
2253 quantum=
sizeof(**mvg_info->primitive_info);
2254 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*quantum;
2255 if (extent <= (
double) *mvg_info->extent)
2257 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2258 return(MagickFalse);
2259 if (mvg_info->offset > 0)
2261 text=(
char **) AcquireQuantumMemory(mvg_info->offset,
sizeof(*text));
2262 if (text == (
char **) NULL)
2263 return(MagickFalse);
2264 for (i=0; i < mvg_info->offset; i++)
2265 text[i]=(*mvg_info->primitive_info)[i].text;
2267 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2268 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2271 if (text != (
char **) NULL)
2272 text=(
char **) RelinquishMagickMemory(text);
2273 *mvg_info->extent=(size_t) extent;
2274 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2276 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2277 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2284 if (text != (
char **) NULL)
2286 for (i=0; i < mvg_info->offset; i++)
2287 if (text[i] != (
char *) NULL)
2288 text[i]=DestroyString(text[i]);
2289 text=(
char **) RelinquishMagickMemory(text);
2291 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2292 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2293 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2294 (PrimitiveExtentPad+1)*quantum);
2295 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2297 *mvg_info->extent=1;
2299 return(MagickFalse);
2302 static inline double GetDrawValue(
const char *magick_restrict
string,
2303 char **magick_restrict sentinal)
2306 **magick_restrict q;
2312 value=InterpretLocaleValue(
string,q);
2317 static int MVGMacroCompare(
const void *target,
const void *source)
2323 p=(
const char *) target;
2324 q=(
const char *) source;
2325 return(strcmp(p,q));
2346 if (primitive == (
const char *) NULL)
2348 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2349 RelinquishMagickMemory);
2350 macro=AcquireString(primitive);
2351 token=AcquireString(primitive);
2352 extent=strlen(token)+MagickPathExtent;
2353 for (q=primitive; *q !=
'\0'; )
2355 if (GetNextToken(q,&q,extent,token) < 1)
2359 if (LocaleCompare(
"push",token) == 0)
2365 (void) GetNextToken(q,&q,extent,token);
2369 name[MagickPathExtent];
2380 (void) GetNextToken(q,&q,extent,token);
2383 (void) CopyMagickString(name,token,MagickPathExtent);
2385 for (p=q; *p !=
'\0'; )
2387 if (GetNextToken(p,&p,extent,token) < 1)
2391 if (LocaleCompare(token,
"pop") == 0)
2393 end=p-strlen(token)-1;
2396 if (LocaleCompare(token,
"push") == 0)
2398 if ((n == 0) && (end > start))
2403 (void) GetNextToken(p,&p,extent,token);
2404 (void) CopyMagickString(macro,start,(
size_t) (end-start));
2405 (void) AddValueToSplayTree(macros,ConstantString(name),
2406 ConstantString(macro));
2413 token=DestroyString(token);
2414 macro=DestroyString(macro);
2418 static inline MagickBooleanType IsPoint(
const char *point)
2426 value=GetDrawValue(point,&p);
2427 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2431 static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2434 primitive_info->coordinates=1;
2435 primitive_info->closed_subpath=MagickFalse;
2436 primitive_info->point=point;
2440 static MagickBooleanType RenderMVGContent(
Image *image,
2441 const DrawInfo *draw_info,
const size_t depth)
2443 #define RenderImageTag "Render/Image"
2450 key[2*MaxTextExtent],
2451 keyword[MaxTextExtent],
2452 geometry[MaxTextExtent],
2453 name[MaxTextExtent],
2455 pattern[MaxTextExtent],
2521 assert(image != (
Image *) NULL);
2522 assert(image->signature == MagickCoreSignature);
2523 assert(draw_info != (
DrawInfo *) NULL);
2524 assert(draw_info->signature == MagickCoreSignature);
2525 if (IsEventLogging() != MagickFalse)
2526 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2527 if (depth > MagickMaxRecursionDepth)
2528 ThrowBinaryImageException(DrawError,
"VectorGraphicsNestedTooDeeply",
2530 if ((draw_info->primitive == (
char *) NULL) ||
2531 (*draw_info->primitive ==
'\0'))
2532 return(MagickFalse);
2533 if (draw_info->debug != MagickFalse)
2534 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2535 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
2536 return(MagickFalse);
2537 if (image->matte == MagickFalse)
2539 status=SetImageAlphaChannel(image,OpaqueAlphaChannel);
2540 if (status == MagickFalse)
2541 return(MagickFalse);
2543 primitive=(
char *) NULL;
2544 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2545 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2546 primitive=FileToString(draw_info->primitive+1,~0UL,&image->exception);
2548 primitive=AcquireString(draw_info->primitive);
2549 if (primitive == (
char *) NULL)
2550 return(MagickFalse);
2551 primitive_extent=(double) strlen(primitive);
2552 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2557 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2558 if (graphic_context == (
DrawInfo **) NULL)
2560 primitive=DestroyString(primitive);
2561 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2564 number_points=(size_t) PrimitiveExtentPad;
2565 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2566 (number_points+1),
sizeof(*primitive_info));
2569 primitive=DestroyString(primitive);
2570 for ( ; n >= 0; n--)
2571 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2572 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2573 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2576 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2577 sizeof(*primitive_info));
2578 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2579 mvg_info.primitive_info=(&primitive_info);
2580 mvg_info.extent=(&number_points);
2581 mvg_info.exception=(&image->exception);
2582 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2583 graphic_context[n]->viewbox=image->page;
2584 if ((image->page.width == 0) || (image->page.height == 0))
2586 graphic_context[n]->viewbox.width=image->columns;
2587 graphic_context[n]->viewbox.height=image->rows;
2589 token=AcquireString(primitive);
2590 extent=strlen(token)+MaxTextExtent;
2594 macros=GetMVGMacros(primitive);
2595 status=QueryColorDatabase(
"#000000",&start_color,&image->exception);
2596 for (q=primitive; *q !=
'\0'; )
2601 if (GetNextToken(q,&q,MaxTextExtent,keyword) < 1)
2603 if (*keyword ==
'\0')
2605 if (*keyword ==
'#')
2610 while ((*q !=
'\n') && (*q !=
'\0'))
2614 p=q-strlen(keyword)-1;
2615 primitive_type=UndefinedPrimitive;
2616 current=graphic_context[n]->affine;
2617 GetAffineMatrix(&affine);
2626 if (LocaleCompare(
"affine",keyword) == 0)
2628 (void) GetNextToken(q,&q,extent,token);
2629 affine.sx=GetDrawValue(token,&next_token);
2630 if (token == next_token)
2631 ThrowPointExpectedException(image,token);
2632 (void) GetNextToken(q,&q,extent,token);
2634 (void) GetNextToken(q,&q,extent,token);
2635 affine.rx=GetDrawValue(token,&next_token);
2636 if (token == next_token)
2637 ThrowPointExpectedException(image,token);
2638 (void) GetNextToken(q,&q,extent,token);
2640 (void) GetNextToken(q,&q,extent,token);
2641 affine.ry=GetDrawValue(token,&next_token);
2642 if (token == next_token)
2643 ThrowPointExpectedException(image,token);
2644 (void) GetNextToken(q,&q,extent,token);
2646 (void) GetNextToken(q,&q,extent,token);
2647 affine.sy=GetDrawValue(token,&next_token);
2648 if (token == next_token)
2649 ThrowPointExpectedException(image,token);
2650 (void) GetNextToken(q,&q,extent,token);
2652 (void) GetNextToken(q,&q,extent,token);
2653 affine.tx=GetDrawValue(token,&next_token);
2654 if (token == next_token)
2655 ThrowPointExpectedException(image,token);
2656 (void) GetNextToken(q,&q,extent,token);
2658 (void) GetNextToken(q,&q,extent,token);
2659 affine.ty=GetDrawValue(token,&next_token);
2660 if (token == next_token)
2661 ThrowPointExpectedException(image,token);
2664 if (LocaleCompare(
"arc",keyword) == 0)
2666 primitive_type=ArcPrimitive;
2675 if (LocaleCompare(
"bezier",keyword) == 0)
2677 primitive_type=BezierPrimitive;
2680 if (LocaleCompare(
"border-color",keyword) == 0)
2682 (void) GetNextToken(q,&q,extent,token);
2683 status&=QueryColorDatabase(token,&graphic_context[n]->border_color,
2693 if (LocaleCompare(
"class",keyword) == 0)
2698 (void) GetNextToken(q,&q,extent,token);
2704 if (LocaleCompare(token,graphic_context[n]->
id) == 0)
2706 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2707 if ((graphic_context[n]->render != MagickFalse) &&
2708 (mvg_class != (
const char *) NULL) && (p > primitive))
2719 offset=(ssize_t) (p-primitive);
2720 elements=AcquireString(primitive);
2721 elements[offset]=
'\0';
2722 (void) ConcatenateString(&elements,mvg_class);
2723 (void) ConcatenateString(&elements,
"\n");
2724 (void) ConcatenateString(&elements,q);
2725 primitive=DestroyString(primitive);
2731 if (LocaleCompare(
"clip-path",keyword) == 0)
2739 (void) GetNextToken(q,&q,extent,token);
2745 (void) CloneString(&graphic_context[n]->clip_mask,token);
2746 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2747 if (clip_path != (
const char *) NULL)
2749 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2750 graphic_context[n]->clipping_mask=
2751 DestroyImage(graphic_context[n]->clipping_mask);
2752 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2753 graphic_context[n],token,clip_path,&image->exception);
2754 if (graphic_context[n]->compliance != SVGCompliance)
2759 clip_path=(
const char *) GetValueFromSplayTree(macros,
2760 graphic_context[n]->clip_mask);
2761 if (clip_path != (
const char *) NULL)
2762 (
void) SetImageArtifact(image,
2763 graphic_context[n]->clip_mask,clip_path);
2764 status&=DrawClipPath(image,graphic_context[n],
2765 graphic_context[n]->clip_mask);
2770 if (LocaleCompare(
"clip-rule",keyword) == 0)
2775 (void) GetNextToken(q,&q,extent,token);
2776 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2778 if (fill_rule == -1)
2783 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2786 if (LocaleCompare(
"clip-units",keyword) == 0)
2791 (void) GetNextToken(q,&q,extent,token);
2792 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2794 if (clip_units == -1)
2799 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2800 if (clip_units == ObjectBoundingBox)
2802 GetAffineMatrix(¤t);
2803 affine.sx=draw_info->bounds.x2;
2804 affine.sy=draw_info->bounds.y2;
2805 affine.tx=draw_info->bounds.x1;
2806 affine.ty=draw_info->bounds.y1;
2811 if (LocaleCompare(
"circle",keyword) == 0)
2813 primitive_type=CirclePrimitive;
2816 if (LocaleCompare(
"color",keyword) == 0)
2818 primitive_type=ColorPrimitive;
2821 if (LocaleCompare(
"compliance",keyword) == 0)
2827 (void) GetNextToken(q,&q,extent,token);
2828 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2829 MagickComplianceOptions,MagickFalse,token);
2832 if (LocaleCompare(
"currentColor",keyword) == 0)
2834 (void) GetNextToken(q,&q,extent,token);
2843 if (LocaleCompare(
"decorate",keyword) == 0)
2848 (void) GetNextToken(q,&q,extent,token);
2849 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2856 graphic_context[n]->decorate=(DecorationType) decorate;
2859 if (LocaleCompare(
"density",keyword) == 0)
2861 (void) GetNextToken(q,&q,extent,token);
2862 (void) CloneString(&graphic_context[n]->density,token);
2865 if (LocaleCompare(
"direction",keyword) == 0)
2870 (void) GetNextToken(q,&q,extent,token);
2871 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2873 if (direction == -1)
2876 graphic_context[n]->direction=(DirectionType) direction;
2885 if (LocaleCompare(
"ellipse",keyword) == 0)
2887 primitive_type=EllipsePrimitive;
2890 if (LocaleCompare(
"encoding",keyword) == 0)
2892 (void) GetNextToken(q,&q,extent,token);
2893 (void) CloneString(&graphic_context[n]->encoding,token);
2902 if (LocaleCompare(
"fill",keyword) == 0)
2907 (void) GetNextToken(q,&q,extent,token);
2908 if (graphic_context[n]->clip_path != MagickFalse)
2910 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2911 if (mvg_class != (
const char *) NULL)
2913 (void) DrawPatternPath(image,draw_info,mvg_class,
2914 &graphic_context[n]->fill_pattern);
2917 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
2918 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2920 (void) DrawPatternPath(image,draw_info,token,
2921 &graphic_context[n]->fill_pattern);
2924 status&=QueryColorDatabase(token,&graphic_context[n]->fill,
2926 if (graphic_context[n]->fill_opacity != OpaqueOpacity)
2927 graphic_context[n]->fill.opacity=ClampToQuantum(
2928 graphic_context[n]->fill_opacity);
2931 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2936 (void) GetNextToken(q,&q,extent,token);
2937 if (graphic_context[n]->clip_path != MagickFalse)
2939 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2940 opacity=MagickMin(MagickMax(factor*
2941 GetDrawValue(token,&next_token),0.0),1.0);
2942 if (token == next_token)
2943 ThrowPointExpectedException(image,token);
2944 if (graphic_context[n]->compliance == SVGCompliance)
2945 graphic_context[n]->fill_opacity*=(1.0-opacity);
2947 graphic_context[n]->fill_opacity=(QuantumRange-
2948 graphic_context[n]->fill_opacity)*(1.0-opacity);
2949 if (graphic_context[n]->fill.opacity != TransparentOpacity)
2950 graphic_context[n]->fill.opacity=(Quantum)
2951 graphic_context[n]->fill_opacity;
2953 graphic_context[n]->fill.opacity=ClampToQuantum(QuantumRange*
2957 if (LocaleCompare(
"fill-rule",keyword) == 0)
2962 (void) GetNextToken(q,&q,extent,token);
2963 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2965 if (fill_rule == -1)
2970 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2973 if (LocaleCompare(
"font",keyword) == 0)
2975 (void) GetNextToken(q,&q,extent,token);
2976 (void) CloneString(&graphic_context[n]->font,token);
2977 if (LocaleCompare(
"none",token) == 0)
2978 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
2979 graphic_context[n]->font);
2982 if (LocaleCompare(
"font-family",keyword) == 0)
2984 (void) GetNextToken(q,&q,extent,token);
2985 (void) CloneString(&graphic_context[n]->family,token);
2988 if (LocaleCompare(
"font-size",keyword) == 0)
2990 (void) GetNextToken(q,&q,extent,token);
2991 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
2992 if (token == next_token)
2993 ThrowPointExpectedException(image,token);
2996 if (LocaleCompare(
"font-stretch",keyword) == 0)
3001 (void) GetNextToken(q,&q,extent,token);
3002 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
3008 graphic_context[n]->stretch=(StretchType) stretch;
3011 if (LocaleCompare(
"font-style",keyword) == 0)
3016 (void) GetNextToken(q,&q,extent,token);
3017 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3023 graphic_context[n]->style=(StyleType) style;
3026 if (LocaleCompare(
"font-weight",keyword) == 0)
3031 (void) GetNextToken(q,&q,extent,token);
3032 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3034 weight=(ssize_t) StringToUnsignedLong(token);
3035 graphic_context[n]->weight=(size_t) weight;
3044 if (LocaleCompare(
"gradient-units",keyword) == 0)
3046 (void) GetNextToken(q,&q,extent,token);
3049 if (LocaleCompare(
"gravity",keyword) == 0)
3054 (void) GetNextToken(q,&q,extent,token);
3055 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3061 graphic_context[n]->gravity=(GravityType) gravity;
3070 if (LocaleCompare(
"image",keyword) == 0)
3075 primitive_type=ImagePrimitive;
3076 (void) GetNextToken(q,&q,extent,token);
3077 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3083 graphic_context[n]->compose=(CompositeOperator) compose;
3086 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3088 (void) GetNextToken(q,&q,extent,token);
3089 graphic_context[n]->interline_spacing=GetDrawValue(token,
3091 if (token == next_token)
3092 ThrowPointExpectedException(image,token);
3095 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3097 (void) GetNextToken(q,&q,extent,token);
3098 graphic_context[n]->interword_spacing=GetDrawValue(token,
3100 if (token == next_token)
3101 ThrowPointExpectedException(image,token);
3110 if (LocaleCompare(
"kerning",keyword) == 0)
3112 (void) GetNextToken(q,&q,extent,token);
3113 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3114 if (token == next_token)
3115 ThrowPointExpectedException(image,token);
3124 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3126 (void) GetNextToken(q,&q,extent,token);
3127 if (IsPoint(token) == MagickFalse)
3129 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3130 clone_info->text=AcquireString(
" ");
3131 status&=GetTypeMetrics(image,clone_info,&metrics);
3132 graphic_context[n]->kerning=metrics.width*
3133 GetDrawValue(token,&next_token);
3134 clone_info=DestroyDrawInfo(clone_info);
3135 if (token == next_token)
3136 ThrowPointExpectedException(image,token);
3139 if (LocaleCompare(
"line",keyword) == 0)
3141 primitive_type=LinePrimitive;
3150 if (LocaleCompare(
"mask",keyword) == 0)
3158 (void) GetNextToken(q,&q,extent,token);
3159 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3160 if (mask_path != (
const char *) NULL)
3162 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3163 graphic_context[n]->composite_mask=
3164 DestroyImage(graphic_context[n]->composite_mask);
3165 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3166 graphic_context[n],token,mask_path,&image->exception);
3167 if (graphic_context[n]->compliance != SVGCompliance)
3168 status=SetImageMask(image,graphic_context[n]->composite_mask);
3172 if (LocaleCompare(
"matte",keyword) == 0)
3174 primitive_type=MattePrimitive;
3183 if (LocaleCompare(
"offset",keyword) == 0)
3185 (void) GetNextToken(q,&q,extent,token);
3188 if (LocaleCompare(
"opacity",keyword) == 0)
3193 (void) GetNextToken(q,&q,extent,token);
3194 if (graphic_context[n]->clip_path != MagickFalse)
3196 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3197 opacity=MagickMin(MagickMax(factor*
3198 GetDrawValue(token,&next_token),0.0),1.0);
3199 if (token == next_token)
3200 ThrowPointExpectedException(image,token);
3201 if (graphic_context[n]->compliance == SVGCompliance)
3203 graphic_context[n]->fill_opacity*=(1.0-opacity);
3204 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3208 graphic_context[n]->fill_opacity=(QuantumRange-
3209 graphic_context[n]->fill_opacity)*(1.0-opacity);
3210 graphic_context[n]->stroke_opacity=(QuantumRange-
3211 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3221 if (LocaleCompare(
"path",keyword) == 0)
3223 primitive_type=PathPrimitive;
3226 if (LocaleCompare(
"point",keyword) == 0)
3228 primitive_type=PointPrimitive;
3231 if (LocaleCompare(
"polyline",keyword) == 0)
3233 primitive_type=PolylinePrimitive;
3236 if (LocaleCompare(
"polygon",keyword) == 0)
3238 primitive_type=PolygonPrimitive;
3241 if (LocaleCompare(
"pop",keyword) == 0)
3243 if (GetNextToken(q,&q,extent,token) < 1)
3245 if (LocaleCompare(
"class",token) == 0)
3247 if (LocaleCompare(
"clip-path",token) == 0)
3249 if (LocaleCompare(
"defs",token) == 0)
3252 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3256 if (LocaleCompare(
"gradient",token) == 0)
3258 if (LocaleCompare(
"graphic-context",token) == 0)
3262 (void) ThrowMagickException(&image->exception,
3263 GetMagickModule(),DrawError,
3264 "UnbalancedGraphicContextPushPop",
"`%s'",token);
3269 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3270 (graphic_context[n]->compliance != SVGCompliance))
3271 if (LocaleCompare(graphic_context[n]->clip_mask,
3272 graphic_context[n-1]->clip_mask) != 0)
3273 status=SetImageClipMask(image,(
Image *) NULL);
3274 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3278 if (LocaleCompare(
"mask",token) == 0)
3280 if (LocaleCompare(
"pattern",token) == 0)
3282 if (LocaleCompare(
"symbol",token) == 0)
3285 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3292 if (LocaleCompare(
"push",keyword) == 0)
3294 if (GetNextToken(q,&q,extent,token) < 1)
3296 if (LocaleCompare(
"class",token) == 0)
3301 for (p=q; *q !=
'\0'; )
3303 if (GetNextToken(q,&q,extent,token) < 1)
3305 if (LocaleCompare(token,
"pop") != 0)
3307 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3308 if (LocaleCompare(token,
"class") != 0)
3312 (void) GetNextToken(q,&q,extent,token);
3315 if (LocaleCompare(
"clip-path",token) == 0)
3317 (void) GetNextToken(q,&q,extent,token);
3318 for (p=q; *q !=
'\0'; )
3320 if (GetNextToken(q,&q,extent,token) < 1)
3322 if (LocaleCompare(token,
"pop") != 0)
3324 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3325 if (LocaleCompare(token,
"clip-path") != 0)
3329 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3334 (void) GetNextToken(q,&q,extent,token);
3337 if (LocaleCompare(
"defs",token) == 0)
3340 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3344 if (LocaleCompare(
"gradient",token) == 0)
3347 key[2*MaxTextExtent],
3348 name[MaxTextExtent],
3349 type[MaxTextExtent];
3354 (void) GetNextToken(q,&q,extent,token);
3355 (void) CopyMagickString(name,token,MaxTextExtent);
3356 (void) GetNextToken(q,&q,extent,token);
3357 (void) CopyMagickString(type,token,MaxTextExtent);
3358 (void) GetNextToken(q,&q,extent,token);
3359 segment.x1=GetDrawValue(token,&next_token);
3360 if (token == next_token)
3361 ThrowPointExpectedException(image,token);
3362 (void) GetNextToken(q,&q,extent,token);
3364 (void) GetNextToken(q,&q,extent,token);
3365 segment.y1=GetDrawValue(token,&next_token);
3366 if (token == next_token)
3367 ThrowPointExpectedException(image,token);
3368 (void) GetNextToken(q,&q,extent,token);
3370 (void) GetNextToken(q,&q,extent,token);
3371 segment.x2=GetDrawValue(token,&next_token);
3372 if (token == next_token)
3373 ThrowPointExpectedException(image,token);
3374 (void) GetNextToken(q,&q,extent,token);
3376 (void) GetNextToken(q,&q,extent,token);
3377 segment.y2=GetDrawValue(token,&next_token);
3378 if (token == next_token)
3379 ThrowPointExpectedException(image,token);
3380 if (LocaleCompare(type,
"radial") == 0)
3382 (void) GetNextToken(q,&q,extent,token);
3384 (void) GetNextToken(q,&q,extent,token);
3386 for (p=q; *q !=
'\0'; )
3388 if (GetNextToken(q,&q,extent,token) < 1)
3390 if (LocaleCompare(token,
"pop") != 0)
3392 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3393 if (LocaleCompare(token,
"gradient") != 0)
3397 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3402 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3403 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3404 graphic_context[n]->affine.ry*segment.y1+
3405 graphic_context[n]->affine.tx;
3406 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3407 graphic_context[n]->affine.sy*segment.y1+
3408 graphic_context[n]->affine.ty;
3409 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3410 graphic_context[n]->affine.ry*segment.y2+
3411 graphic_context[n]->affine.tx;
3412 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3413 graphic_context[n]->affine.sy*segment.y2+
3414 graphic_context[n]->affine.ty;
3415 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3416 (void) SetImageArtifact(image,key,token);
3417 (void) FormatLocaleString(key,MaxTextExtent,
"%s-type",name);
3418 (void) SetImageArtifact(image,key,type);
3419 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3420 (void) FormatLocaleString(geometry,MaxTextExtent,
3421 "%gx%g%+.15g%+.15g",
3422 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3423 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3424 bounds.x1,bounds.y1);
3425 (void) SetImageArtifact(image,key,geometry);
3426 (void) GetNextToken(q,&q,extent,token);
3429 if (LocaleCompare(
"graphic-context",token) == 0)
3432 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3433 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3434 if (graphic_context == (
DrawInfo **) NULL)
3436 (void) ThrowMagickException(&image->exception,
3437 GetMagickModule(),ResourceLimitError,
3438 "MemoryAllocationFailed",
"`%s'",image->filename);
3441 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3442 graphic_context[n-1]);
3445 (void) GetNextToken(q,&q,extent,token);
3446 (void) CloneString(&graphic_context[n]->
id,token);
3450 if (LocaleCompare(
"mask",token) == 0)
3452 (void) GetNextToken(q,&q,extent,token);
3455 if (LocaleCompare(
"pattern",token) == 0)
3460 (void) GetNextToken(q,&q,extent,token);
3461 (void) CopyMagickString(name,token,MaxTextExtent);
3462 (void) GetNextToken(q,&q,extent,token);
3463 bounds.x=CastDoubleToLong(ceil(GetDrawValue(token,
3465 if (token == next_token)
3466 ThrowPointExpectedException(image,token);
3467 (void) GetNextToken(q,&q,extent,token);
3469 (void) GetNextToken(q,&q,extent,token);
3470 bounds.y=CastDoubleToLong(ceil(GetDrawValue(token,
3472 if (token == next_token)
3473 ThrowPointExpectedException(image,token);
3474 (void) GetNextToken(q,&q,extent,token);
3476 (void) GetNextToken(q,&q,extent,token);
3477 bounds.width=(size_t) floor(GetDrawValue(token,&next_token)+
3479 if (token == next_token)
3480 ThrowPointExpectedException(image,token);
3481 (void) GetNextToken(q,&q,extent,token);
3483 (void) GetNextToken(q,&q,extent,token);
3484 bounds.height=(size_t) floor(GetDrawValue(token,&next_token)+
3486 if (token == next_token)
3487 ThrowPointExpectedException(image,token);
3488 for (p=q; *q !=
'\0'; )
3490 if (GetNextToken(q,&q,extent,token) < 1)
3492 if (LocaleCompare(token,
"pop") != 0)
3494 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3495 if (LocaleCompare(token,
"pattern") != 0)
3499 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3504 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3505 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3506 (void) SetImageArtifact(image,key,token);
3507 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3508 (void) FormatLocaleString(geometry,MaxTextExtent,
3509 "%.20gx%.20g%+.20g%+.20g",(
double) bounds.width,(double)
3510 bounds.height,(
double) bounds.x,(double) bounds.y);
3511 (void) SetImageArtifact(image,key,geometry);
3512 (void) GetNextToken(q,&q,extent,token);
3515 if (LocaleCompare(
"symbol",token) == 0)
3518 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3531 if (LocaleCompare(
"rectangle",keyword) == 0)
3533 primitive_type=RectanglePrimitive;
3536 if (LocaleCompare(
"rotate",keyword) == 0)
3538 (void) GetNextToken(q,&q,extent,token);
3539 angle=GetDrawValue(token,&next_token);
3540 if (token == next_token)
3541 ThrowPointExpectedException(image,token);
3542 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3543 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3544 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3545 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3548 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3550 primitive_type=RoundRectanglePrimitive;
3559 if (LocaleCompare(
"scale",keyword) == 0)
3561 (void) GetNextToken(q,&q,extent,token);
3562 affine.sx=GetDrawValue(token,&next_token);
3563 if (token == next_token)
3564 ThrowPointExpectedException(image,token);
3565 (void) GetNextToken(q,&q,extent,token);
3567 (void) GetNextToken(q,&q,extent,token);
3568 affine.sy=GetDrawValue(token,&next_token);
3569 if (token == next_token)
3570 ThrowPointExpectedException(image,token);
3573 if (LocaleCompare(
"skewX",keyword) == 0)
3575 (void) GetNextToken(q,&q,extent,token);
3576 angle=GetDrawValue(token,&next_token);
3577 if (token == next_token)
3578 ThrowPointExpectedException(image,token);
3579 affine.ry=sin(DegreesToRadians(angle));
3582 if (LocaleCompare(
"skewY",keyword) == 0)
3584 (void) GetNextToken(q,&q,extent,token);
3585 angle=GetDrawValue(token,&next_token);
3586 if (token == next_token)
3587 ThrowPointExpectedException(image,token);
3588 affine.rx=(-tan(DegreesToRadians(angle)/2.0));
3591 if (LocaleCompare(
"stop-color",keyword) == 0)
3599 (void) GetNextToken(q,&q,extent,token);
3600 status&=QueryColorDatabase(token,&stop_color,&image->exception);
3601 type=LinearGradient;
3602 if (draw_info->gradient.type == RadialGradient)
3603 type=RadialGradient;
3604 (void) GradientImage(image,type,PadSpread,&start_color,&stop_color);
3605 start_color=stop_color;
3606 (void) GetNextToken(q,&q,extent,token);
3609 if (LocaleCompare(
"stroke",keyword) == 0)
3614 (void) GetNextToken(q,&q,extent,token);
3615 if (graphic_context[n]->clip_path != MagickFalse)
3617 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3618 if (mvg_class != (
const char *) NULL)
3620 (void) DrawPatternPath(image,draw_info,mvg_class,
3621 &graphic_context[n]->stroke_pattern);
3624 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
3625 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3627 (void) DrawPatternPath(image,draw_info,token,
3628 &graphic_context[n]->stroke_pattern);
3631 status&=QueryColorDatabase(token,&graphic_context[n]->stroke,
3633 if (graphic_context[n]->stroke_opacity != OpaqueOpacity)
3634 graphic_context[n]->stroke.opacity=ClampToQuantum(
3635 graphic_context[n]->stroke_opacity);
3638 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3640 (void) GetNextToken(q,&q,extent,token);
3641 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3642 MagickTrue : MagickFalse;
3645 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3647 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3648 graphic_context[n]->dash_pattern=(
double *)
3649 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3650 if (IsPoint(q) != MagickFalse)
3656 (void) GetNextToken(p,&p,extent,token);
3658 (void) GetNextToken(p,&p,extent,token);
3659 for (x=0; IsPoint(token) != MagickFalse; x++)
3661 (void) GetNextToken(p,&p,extent,token);
3663 (void) GetNextToken(p,&p,extent,token);
3665 graphic_context[n]->dash_pattern=(
double *)
3666 AcquireQuantumMemory((
size_t) (2*x+2),
3667 sizeof(*graphic_context[n]->dash_pattern));
3668 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3670 (void) ThrowMagickException(&image->exception,
3671 GetMagickModule(),ResourceLimitError,
3672 "MemoryAllocationFailed",
"`%s'",image->filename);
3676 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3677 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3678 for (j=0; j < x; j++)
3680 (void) GetNextToken(q,&q,extent,token);
3682 (void) GetNextToken(q,&q,extent,token);
3683 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3685 if (token == next_token)
3686 ThrowPointExpectedException(image,token);
3687 if (graphic_context[n]->dash_pattern[j] <= 0.0)
3690 if ((x & 0x01) != 0)
3691 for ( ; j < (2*x); j++)
3692 graphic_context[n]->dash_pattern[j]=
3693 graphic_context[n]->dash_pattern[j-x];
3694 graphic_context[n]->dash_pattern[j]=0.0;
3697 (void) GetNextToken(q,&q,extent,token);
3700 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3702 (void) GetNextToken(q,&q,extent,token);
3703 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3704 if (token == next_token)
3705 ThrowPointExpectedException(image,token);
3708 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3713 (void) GetNextToken(q,&q,extent,token);
3714 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3720 graphic_context[n]->linecap=(LineCap) linecap;
3723 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3728 (void) GetNextToken(q,&q,extent,token);
3729 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3736 graphic_context[n]->linejoin=(LineJoin) linejoin;
3739 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3741 (void) GetNextToken(q,&q,extent,token);
3742 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3745 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3750 (void) GetNextToken(q,&q,extent,token);
3751 if (graphic_context[n]->clip_path != MagickFalse)
3753 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3754 opacity=MagickMin(MagickMax(factor*
3755 GetDrawValue(token,&next_token),0.0),1.0);
3756 if (token == next_token)
3757 ThrowPointExpectedException(image,token);
3758 if (graphic_context[n]->compliance == SVGCompliance)
3759 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3761 graphic_context[n]->stroke_opacity=(QuantumRange-
3762 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3763 if (graphic_context[n]->stroke.opacity != TransparentOpacity)
3764 graphic_context[n]->stroke.opacity=(Quantum)
3765 graphic_context[n]->stroke_opacity;
3767 graphic_context[n]->stroke.opacity=ClampToQuantum(QuantumRange*
3771 if (LocaleCompare(
"stroke-width",keyword) == 0)
3773 (void) GetNextToken(q,&q,extent,token);
3774 if (graphic_context[n]->clip_path != MagickFalse)
3776 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3777 if (token == next_token)
3778 ThrowPointExpectedException(image,token);
3787 if (LocaleCompare(
"text",keyword) == 0)
3789 primitive_type=TextPrimitive;
3793 if (LocaleCompare(
"text-align",keyword) == 0)
3798 (void) GetNextToken(q,&q,extent,token);
3799 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3805 graphic_context[n]->align=(AlignType) align;
3808 if (LocaleCompare(
"text-anchor",keyword) == 0)
3813 (void) GetNextToken(q,&q,extent,token);
3814 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3820 graphic_context[n]->align=(AlignType) align;
3823 if (LocaleCompare(
"text-antialias",keyword) == 0)
3825 (void) GetNextToken(q,&q,extent,token);
3826 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3827 MagickTrue : MagickFalse;
3830 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3832 (void) GetNextToken(q,&q,extent,token);
3833 status&=QueryColorDatabase(token,&graphic_context[n]->undercolor,
3837 if (LocaleCompare(
"translate",keyword) == 0)
3839 (void) GetNextToken(q,&q,extent,token);
3840 affine.tx=GetDrawValue(token,&next_token);
3841 if (token == next_token)
3842 ThrowPointExpectedException(image,token);
3843 (void) GetNextToken(q,&q,extent,token);
3845 (void) GetNextToken(q,&q,extent,token);
3846 affine.ty=GetDrawValue(token,&next_token);
3847 if (token == next_token)
3848 ThrowPointExpectedException(image,token);
3857 if (LocaleCompare(
"use",keyword) == 0)
3865 (void) GetNextToken(q,&q,extent,token);
3866 use=(
const char *) GetValueFromSplayTree(macros,token);
3867 if (use != (
const char *) NULL)
3869 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3870 (void) CloneString(&clone_info->primitive,use);
3871 status=RenderMVGContent(image,clone_info,depth+1);
3872 clone_info=DestroyDrawInfo(clone_info);
3882 if (LocaleCompare(
"viewbox",keyword) == 0)
3884 (void) GetNextToken(q,&q,extent,token);
3885 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3886 GetDrawValue(token,&next_token)-0.5));
3887 if (token == next_token)
3888 ThrowPointExpectedException(image,token);
3889 (void) GetNextToken(q,&q,extent,token);
3891 (void) GetNextToken(q,&q,extent,token);
3892 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3893 GetDrawValue(token,&next_token)-0.5));
3894 if (token == next_token)
3895 ThrowPointExpectedException(image,token);
3896 (void) GetNextToken(q,&q,extent,token);
3898 (void) GetNextToken(q,&q,extent,token);
3899 graphic_context[n]->viewbox.width=(size_t) floor(GetDrawValue(
3900 token,&next_token)+0.5);
3901 if (token == next_token)
3902 ThrowPointExpectedException(image,token);
3903 (void) GetNextToken(q,&q,extent,token);
3905 (void) GetNextToken(q,&q,extent,token);
3906 graphic_context[n]->viewbox.height=(size_t) floor(GetDrawValue(
3907 token,&next_token)+0.5);
3908 if (token == next_token)
3909 ThrowPointExpectedException(image,token);
3918 if (LocaleCompare(
"word-spacing",keyword) == 0)
3920 (void) GetNextToken(q,&q,extent,token);
3921 graphic_context[n]->interword_spacing=GetDrawValue(token,
3923 if (token == next_token)
3924 ThrowPointExpectedException(image,token);
3936 if (status == MagickFalse)
3938 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3939 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3940 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3941 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3943 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3944 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3945 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3946 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3947 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3949 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3952 if (primitive_type == UndefinedPrimitive)
3954 if ((draw_info->debug != MagickFalse) && (q > p))
3955 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
3962 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
3963 if (primitive_info[i].text != (
char *) NULL)
3964 primitive_info[i].text=DestroyString(primitive_info[i].text);
3968 primitive_info[0].point.x=0.0;
3969 primitive_info[0].point.y=0.0;
3970 primitive_info[0].coordinates=0;
3971 primitive_info[0].method=FloodfillMethod;
3972 primitive_info[0].closed_subpath=MagickFalse;
3973 for (x=0; *q !=
'\0'; x++)
3978 if (IsPoint(q) == MagickFalse)
3980 (void) GetNextToken(q,&q,extent,token);
3981 point.x=GetDrawValue(token,&next_token);
3982 if (token == next_token)
3983 ThrowPointExpectedException(image,token);
3984 (void) GetNextToken(q,&q,extent,token);
3986 (void) GetNextToken(q,&q,extent,token);
3987 point.y=GetDrawValue(token,&next_token);
3988 if (token == next_token)
3989 ThrowPointExpectedException(image,token);
3990 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3992 (void) GetNextToken(q,&q,extent,token);
3993 primitive_info[i].primitive=primitive_type;
3994 primitive_info[i].point=point;
3995 primitive_info[i].coordinates=0;
3996 primitive_info[i].method=FloodfillMethod;
3997 primitive_info[i].closed_subpath=MagickFalse;
4000 if (i < (ssize_t) number_points)
4002 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4003 primitive_info=(*mvg_info.primitive_info);
4005 if (status == MagickFalse)
4007 if (primitive_info[j].text != (
char *) NULL)
4008 primitive_info[j].text=DestroyString(primitive_info[j].text);
4009 primitive_info[j].primitive=primitive_type;
4010 primitive_info[j].coordinates=(size_t) x;
4011 primitive_info[j].method=FloodfillMethod;
4012 primitive_info[j].closed_subpath=MagickFalse;
4016 bounds.x1=primitive_info[j].point.x;
4017 bounds.y1=primitive_info[j].point.y;
4018 bounds.x2=primitive_info[j].point.x;
4019 bounds.y2=primitive_info[j].point.y;
4020 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4022 point=primitive_info[j+k].point;
4023 if (point.x < bounds.x1)
4025 if (point.y < bounds.y1)
4027 if (point.x > bounds.x2)
4029 if (point.y > bounds.y2)
4035 coordinates=(double) primitive_info[j].coordinates;
4036 switch (primitive_type)
4038 case RectanglePrimitive:
4043 case RoundRectanglePrimitive:
4050 alpha=bounds.x2-bounds.x1;
4051 beta=bounds.y2-bounds.y1;
4052 radius=hypot(alpha,beta);
4054 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4055 BezierQuantum+360.0;
4058 case BezierPrimitive:
4060 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4069 (void) GetNextToken(q,&q,extent,token);
4072 for (s=token; *s !=
'\0'; s=t)
4077 value=GetDrawValue(s,&t);
4086 for (s=token; *s !=
'\0'; s++)
4087 if (strspn(s,
"AaCcQqSsTt") != 0)
4088 coordinates+=(20.0*BezierQuantum)+360.0;
4094 if (status == MagickFalse)
4096 if (((
size_t) (i+coordinates)) >= number_points)
4101 number_points+=coordinates+1;
4102 if (number_points < (
size_t) coordinates)
4104 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4105 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4110 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4111 primitive_info=(*mvg_info.primitive_info);
4113 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4114 primitive_info=(*mvg_info.primitive_info);
4115 if (status == MagickFalse)
4118 switch (primitive_type)
4120 case PointPrimitive:
4123 if (primitive_info[j].coordinates != 1)
4128 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4129 primitive_info=(*mvg_info.primitive_info);
4130 i=(ssize_t) (j+primitive_info[j].coordinates);
4140 if (primitive_info[j].coordinates != 2)
4145 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
4146 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
4147 maximum_length=hypot(dx,dy);
4148 if (maximum_length > (MaxBezierCoordinates/100.0))
4149 ThrowPointExpectedException(image,keyword);
4150 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4151 primitive_info[j+1].point);
4152 primitive_info=(*mvg_info.primitive_info);
4153 i=(ssize_t) (j+primitive_info[j].coordinates);
4156 case RectanglePrimitive:
4158 if (primitive_info[j].coordinates != 2)
4163 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4164 primitive_info[j+1].point);
4165 primitive_info=(*mvg_info.primitive_info);
4166 i=(ssize_t) (j+primitive_info[j].coordinates);
4169 case RoundRectanglePrimitive:
4171 if (primitive_info[j].coordinates != 3)
4176 if ((primitive_info[j+2].point.x < 0.0) ||
4177 (primitive_info[j+2].point.y < 0.0))
4182 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4187 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4192 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4193 primitive_info[j+1].point,primitive_info[j+2].point);
4194 primitive_info=(*mvg_info.primitive_info);
4195 i=(ssize_t) (j+primitive_info[j].coordinates);
4200 if (primitive_info[j].coordinates != 3)
4205 status&=TraceArc(&mvg_info,primitive_info[j].point,
4206 primitive_info[j+1].point,primitive_info[j+2].point);
4207 primitive_info=(*mvg_info.primitive_info);
4208 i=(ssize_t) (j+primitive_info[j].coordinates);
4211 case EllipsePrimitive:
4213 if (primitive_info[j].coordinates != 3)
4218 if ((primitive_info[j+1].point.x < 0.0) ||
4219 (primitive_info[j+1].point.y < 0.0))
4224 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4225 primitive_info[j+1].point,primitive_info[j+2].point);
4226 primitive_info=(*mvg_info.primitive_info);
4227 i=(ssize_t) (j+primitive_info[j].coordinates);
4230 case CirclePrimitive:
4232 if (primitive_info[j].coordinates != 2)
4237 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4238 primitive_info[j+1].point);
4239 primitive_info=(*mvg_info.primitive_info);
4240 i=(ssize_t) (j+primitive_info[j].coordinates);
4243 case PolylinePrimitive:
4245 if (primitive_info[j].coordinates < 1)
4252 case PolygonPrimitive:
4254 if (primitive_info[j].coordinates < 3)
4259 primitive_info[i]=primitive_info[j];
4260 primitive_info[i].coordinates=0;
4261 primitive_info[j].coordinates++;
4262 primitive_info[j].closed_subpath=MagickTrue;
4266 case BezierPrimitive:
4268 if (primitive_info[j].coordinates < 3)
4273 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4274 primitive_info=(*mvg_info.primitive_info);
4275 i=(ssize_t) (j+primitive_info[j].coordinates);
4280 coordinates=(double) TracePath(image,&mvg_info,token);
4281 primitive_info=(*mvg_info.primitive_info);
4282 if (coordinates < 0.0)
4287 i=(ssize_t) (j+coordinates);
4290 case ColorPrimitive:
4291 case MattePrimitive:
4296 if (primitive_info[j].coordinates != 1)
4301 (void) GetNextToken(q,&q,extent,token);
4302 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4308 primitive_info[j].method=(PaintMethod) method;
4314 geometry[MagickPathExtent];
4316 if (primitive_info[j].coordinates != 1)
4322 (void) GetNextToken(q,&q,extent,token);
4323 (void) CloneString(&primitive_info[j].text,token);
4327 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4328 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4329 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4331 mvg_info.point=primitive_info->point;
4332 primitive_info->point.x+=cursor;
4336 mvg_info.point=primitive_info->point;
4339 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
4340 primitive_info->point.x,primitive_info->point.y);
4341 clone_info->render=MagickFalse;
4342 clone_info->text=AcquireString(token);
4343 status&=GetTypeMetrics(image,clone_info,&metrics);
4344 clone_info=DestroyDrawInfo(clone_info);
4345 cursor+=metrics.width;
4346 if (graphic_context[n]->compliance != SVGCompliance)
4350 case ImagePrimitive:
4352 if (primitive_info[j].coordinates != 2)
4357 (void) GetNextToken(q,&q,extent,token);
4358 (void) CloneString(&primitive_info[j].text,token);
4365 primitive_info[i].primitive=UndefinedPrimitive;
4366 if ((draw_info->debug != MagickFalse) && (q > p))
4367 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4371 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4372 &graphic_context[n]->affine));
4373 primitive_info=(*mvg_info.primitive_info);
4376 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4377 graphic_context[n]->stroke_width);
4378 primitive_info=(*mvg_info.primitive_info);
4386 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4388 point=primitive_info[i].point;
4389 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4390 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4391 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4392 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4393 point=primitive_info[i].point;
4394 if (point.x < graphic_context[n]->bounds.x1)
4395 graphic_context[n]->bounds.x1=point.x;
4396 if (point.y < graphic_context[n]->bounds.y1)
4397 graphic_context[n]->bounds.y1=point.y;
4398 if (point.x > graphic_context[n]->bounds.x2)
4399 graphic_context[n]->bounds.x2=point.x;
4400 if (point.y > graphic_context[n]->bounds.y2)
4401 graphic_context[n]->bounds.y2=point.y;
4402 if (primitive_info[i].primitive == ImagePrimitive)
4404 if (i >= (ssize_t) number_points)
4405 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4407 if (graphic_context[n]->render != MagickFalse)
4409 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4410 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4411 (LocaleCompare(graphic_context[n]->clip_mask,
4412 graphic_context[n-1]->clip_mask) != 0))
4417 clip_path=(
const char *) GetValueFromSplayTree(macros,
4418 graphic_context[n]->clip_mask);
4419 if (clip_path != (
const char *) NULL)
4420 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4422 status&=DrawClipPath(image,graphic_context[n],
4423 graphic_context[n]->clip_mask);
4425 status&=DrawPrimitive(image,graphic_context[n],primitive_info);
4427 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4429 if (proceed == MagickFalse)
4434 if (draw_info->debug != MagickFalse)
4435 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4439 macros=DestroySplayTree(macros);
4440 token=DestroyString(token);
4443 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4444 if (primitive_info[i].text != (
char *) NULL)
4445 primitive_info[i].text=DestroyString(primitive_info[i].text);
4446 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4448 primitive=DestroyString(primitive);
4449 for ( ; n >= 0; n--)
4450 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4451 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4452 if (status == MagickFalse)
4453 ThrowBinaryImageException(DrawError,
4454 "NonconformingDrawingPrimitiveDefinition",keyword);
4455 return(status != 0 ? MagickTrue : MagickFalse);
4458 MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info)
4460 return(RenderMVGContent(image,draw_info,0));
4492 MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4496 property[MaxTextExtent];
4512 assert(image != (
Image *) NULL);
4513 assert(image->signature == MagickCoreSignature);
4514 assert(draw_info != (
const DrawInfo *) NULL);
4515 if (IsEventLogging() != MagickFalse)
4516 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4517 assert(name != (
const char *) NULL);
4518 (void) FormatLocaleString(property,MaxTextExtent,
"%s",name);
4519 path=GetImageArtifact(image,property);
4520 if (path == (
const char *) NULL)
4521 return(MagickFalse);
4522 (void) FormatLocaleString(property,MaxTextExtent,
"%s-geometry",name);
4523 geometry=GetImageArtifact(image,property);
4524 if (geometry == (
const char *) NULL)
4525 return(MagickFalse);
4526 if ((*pattern) != (
Image *) NULL)
4527 *pattern=DestroyImage(*pattern);
4528 image_info=AcquireImageInfo();
4529 image_info->size=AcquireString(geometry);
4530 *pattern=AcquireImage(image_info);
4531 image_info=DestroyImageInfo(image_info);
4532 (void) QueryColorDatabase(
"#00000000",&(*pattern)->background_color,
4534 (void) SetImageBackgroundColor(*pattern);
4535 if (draw_info->debug != MagickFalse)
4536 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4537 "begin pattern-path %s %s",name,geometry);
4538 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4539 if (clone_info->fill_pattern != (
Image *) NULL)
4540 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4541 if (clone_info->stroke_pattern != (
Image *) NULL)
4542 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4543 (void) FormatLocaleString(property,MaxTextExtent,
"%s-type",name);
4544 type=GetImageArtifact(image,property);
4545 if (type != (
const char *) NULL)
4546 clone_info->gradient.type=(GradientType) ParseCommandOption(
4547 MagickGradientOptions,MagickFalse,type);
4548 (void) CloneString(&clone_info->primitive,path);
4549 status=RenderMVGContent(*pattern,clone_info,0);
4550 clone_info=DestroyDrawInfo(clone_info);
4551 if (draw_info->debug != MagickFalse)
4552 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4590 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4592 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4593 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4594 return(polygon_info);
4601 *magick_restrict path_info;
4609 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4610 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4611 sizeof(*polygon_info));
4614 (void) ThrowMagickException(exception,GetMagickModule(),
4615 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4618 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4619 path_info=ConvertPrimitiveToPath(draw_info,primitive_info,exception);
4620 if (path_info == (
PathInfo *) NULL)
4621 return(DestroyPolygonTLS(polygon_info));
4622 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4625 (void) ThrowMagickException(exception,GetMagickModule(),
4626 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4627 return(DestroyPolygonTLS(polygon_info));
4629 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4630 return(polygon_info);
4633 static MagickBooleanType AcquirePolygonEdgesTLS(
PolygonInfo **polygon_info,
4639 for (i=1; i < (ssize_t) number_threads; i++)
4647 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4648 sizeof(*polygon_info[i]));
4651 (void) ThrowMagickException(exception,GetMagickModule(),
4652 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4653 return(MagickFalse);
4655 polygon_info[i]->number_edges=0;
4656 edge_info=polygon_info[0]->edges;
4657 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4658 polygon_info[0]->number_edges,
sizeof(*edge_info));
4659 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4661 (void) ThrowMagickException(exception,GetMagickModule(),
4662 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4663 return(MagickFalse);
4665 (void) memcpy(polygon_info[i]->edges,edge_info,
4666 polygon_info[0]->number_edges*
sizeof(*edge_info));
4667 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4668 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4669 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4670 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4672 edge_info=polygon_info[0]->edges+j;
4673 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4674 edge_info->number_points,
sizeof(*edge_info));
4675 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4677 (void) ThrowMagickException(exception,GetMagickModule(),
4678 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4679 return(MagickFalse);
4681 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4682 edge_info->number_points*
sizeof(*edge_info->points));
4688 static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4690 assert(edge < (ssize_t) polygon_info->number_edges);
4691 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4692 polygon_info->edges[edge].points);
4693 polygon_info->number_edges--;
4694 if (edge < (ssize_t) polygon_info->number_edges)
4695 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4696 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4697 return(polygon_info->number_edges);
4700 static double GetOpacityPixel(
PolygonInfo *polygon_info,
const double mid,
4701 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4702 const ssize_t y,
double *stroke_opacity)
4729 *stroke_opacity=0.0;
4730 subpath_opacity=0.0;
4731 p=polygon_info->edges;
4732 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4734 if ((
double) y <= (p->bounds.y1-mid-0.5))
4736 if ((
double) y > (p->bounds.y2+mid+0.5))
4739 (void) DestroyEdge(polygon_info,j--);
4742 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4743 ((
double) x > (p->bounds.x2+mid+0.5)))
4745 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4746 for ( ; i < (ssize_t) p->number_points; i++)
4748 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4750 if ((
double) y > (p->points[i].y+mid+0.5))
4752 if (p->scanline != (
double) y)
4754 p->scanline=(double) y;
4755 p->highwater=(size_t) i;
4761 delta.x=(q+1)->x-q->x;
4762 delta.y=(q+1)->y-q->y;
4763 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4766 delta.x=(double) x-q->x;
4767 delta.y=(
double) y-q->y;
4768 distance=delta.x*delta.x+delta.y*delta.y;
4772 alpha=delta.x*delta.x+delta.y*delta.y;
4775 delta.x=(double) x-(q+1)->x;
4776 delta.y=(double) y-(q+1)->y;
4777 distance=delta.x*delta.x+delta.y*delta.y;
4781 alpha=PerceptibleReciprocal(alpha);
4782 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4783 distance=alpha*beta*beta;
4790 if (p->ghostline == MagickFalse)
4793 if ((*stroke_opacity < 1.0) &&
4794 (distance <= ((alpha+0.25)*(alpha+0.25))))
4797 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4798 *stroke_opacity=1.0;
4802 if (fabs(distance-1.0) >= MagickEpsilon)
4803 beta=sqrt((
double) distance);
4805 if (*stroke_opacity < ((alpha-0.25)*(alpha-0.25)))
4806 *stroke_opacity=(alpha-0.25)*(alpha-0.25);
4810 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_opacity >= 1.0))
4812 if (distance <= 0.0)
4814 subpath_opacity=1.0;
4819 if (fabs(beta) < MagickEpsilon)
4822 if (fabs(distance-1.0) >= MagickEpsilon)
4823 beta=sqrt(distance);
4826 if (subpath_opacity < (alpha*alpha))
4827 subpath_opacity=alpha*alpha;
4833 if (fill == MagickFalse)
4835 if (subpath_opacity >= 1.0)
4841 p=polygon_info->edges;
4842 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4844 if ((
double) y <= p->bounds.y1)
4846 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4848 if ((
double) x > p->bounds.x2)
4850 winding_number+=p->direction != 0 ? 1 : -1;
4853 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4854 for ( ; i < (ssize_t) (p->number_points-1); i++)
4855 if ((
double) y <= p->points[i].y)
4858 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4859 winding_number+=p->direction != 0 ? 1 : -1;
4861 if (fill_rule != NonZeroRule)
4863 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4867 if (MagickAbsoluteValue(winding_number) != 0)
4869 return(subpath_opacity);
4872 static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4875 typedef struct _ExtentInfo
4904 **magick_restrict polygon_info;
4919 assert(image != (
Image *) NULL);
4920 assert(image->signature == MagickCoreSignature);
4921 assert(draw_info != (
DrawInfo *) NULL);
4922 assert(draw_info->signature == MagickCoreSignature);
4924 if (IsEventLogging() != MagickFalse)
4925 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4926 if (primitive_info->coordinates <= 1)
4931 polygon_info=AcquirePolygonTLS(draw_info,primitive_info,&image->exception);
4933 return(MagickFalse);
4934 if (draw_info->debug != MagickFalse)
4935 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4936 fill=(primitive_info->method == FillToBorderMethod) ||
4937 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4938 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4939 bounds=polygon_info[0]->edges[0].bounds;
4940 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4941 if (IsStringTrue(artifact) != MagickFalse)
4942 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0]);
4943 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4945 p=polygon_info[0]->edges+i;
4946 if (p->bounds.x1 < bounds.x1)
4947 bounds.x1=p->bounds.x1;
4948 if (p->bounds.y1 < bounds.y1)
4949 bounds.y1=p->bounds.y1;
4950 if (p->bounds.x2 > bounds.x2)
4951 bounds.x2=p->bounds.x2;
4952 if (p->bounds.y2 > bounds.y2)
4953 bounds.y2=p->bounds.y2;
4955 bounds.x1-=(mid+1.0);
4956 bounds.y1-=(mid+1.0);
4957 bounds.x2+=(mid+1.0);
4958 bounds.y2+=(mid+1.0);
4959 if ((bounds.x1 >= (
double) image->columns) ||
4960 (bounds.y1 >= (
double) image->rows) ||
4961 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
4963 polygon_info=DestroyPolygonTLS(polygon_info);
4966 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
4967 (
double) image->columns-1.0 : bounds.x1;
4968 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
4969 (
double) image->rows-1.0 : bounds.y1;
4970 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
4971 (
double) image->columns-1.0 : bounds.x2;
4972 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
4973 (
double) image->rows-1.0 : bounds.y2;
4974 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
4975 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
4976 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
4977 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
4978 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
4979 poly_extent.y1+1,1);
4980 status=AcquirePolygonEdgesTLS(polygon_info,number_threads,&image->exception);
4981 if (status == MagickFalse)
4983 polygon_info=DestroyPolygonTLS(polygon_info);
4987 exception=(&image->exception);
4988 image_view=AcquireAuthenticCacheView(image,exception);
4989 if ((primitive_info->coordinates == 1) ||
4990 (polygon_info[0]->number_edges == 0))
4995 #if defined(MAGICKCORE_OPENMP_SUPPORT)
4996 #pragma omp parallel for schedule(static) shared(status) \
4997 num_threads(number_threads)
4999 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5010 if (status == MagickFalse)
5013 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
5020 for ( ; x <= poly_extent.x2; x++)
5022 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5023 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5024 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,q);
5027 sync=SyncCacheViewAuthenticPixels(image_view,exception);
5028 if (sync == MagickFalse)
5031 image_view=DestroyCacheView(image_view);
5032 polygon_info=DestroyPolygonTLS(polygon_info);
5033 if (draw_info->debug != MagickFalse)
5034 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5035 " end draw-polygon");
5041 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5042 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5043 #if defined(MAGICKCORE_OPENMP_SUPPORT)
5044 #pragma omp parallel for schedule(static) shared(status) \
5045 num_threads(number_threads)
5047 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5050 id = GetOpenMPThreadId();
5062 if (status == MagickFalse)
5064 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5065 (poly_extent.x2-poly_extent.x1+1),1,exception);
5071 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5080 fill_opacity=GetOpacityPixel(polygon_info[
id],mid,fill,
5081 draw_info->fill_rule,x,y,&stroke_opacity);
5082 if (draw_info->stroke_antialias == MagickFalse)
5084 fill_opacity=fill_opacity > 0.5 ? 1.0 : 0.0;
5085 stroke_opacity=stroke_opacity > 0.5 ? 1.0 : 0.0;
5087 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5089 fill_opacity=(double) (QuantumRange-fill_opacity*(QuantumRange-
5090 fill_color.opacity));
5091 MagickCompositeOver(&fill_color,(MagickRealType) fill_opacity,q,
5092 (MagickRealType) q->opacity,q);
5093 (void) GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5095 stroke_opacity=(double) (QuantumRange-stroke_opacity*(QuantumRange-
5096 stroke_color.opacity));
5097 MagickCompositeOver(&stroke_color,(MagickRealType) stroke_opacity,q,
5098 (MagickRealType) q->opacity,q);
5101 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5104 image_view=DestroyCacheView(image_view);
5105 polygon_info=DestroyPolygonTLS(polygon_info);
5106 if (draw_info->debug != MagickFalse)
5107 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5138 static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5164 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5165 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5166 switch (primitive_info->primitive)
5168 case PointPrimitive:
5170 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5171 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5172 methods[primitive_info->method]);
5175 case ColorPrimitive:
5177 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5178 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5179 methods[primitive_info->method]);
5182 case MattePrimitive:
5184 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5185 "MattePrimitive %.20g,%.20g %s",(double) x,(
double) y,
5186 methods[primitive_info->method]);
5191 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5192 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5195 case ImagePrimitive:
5197 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5198 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5205 p=primitive_info[0].point;
5208 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5210 point=primitive_info[i].point;
5211 if (coordinates <= 0)
5213 coordinates=(ssize_t) primitive_info[i].coordinates;
5214 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5215 " begin open (%.20g)",(double) coordinates);
5218 point=primitive_info[i].point;
5219 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5220 (fabs(q.y-point.y) >= MagickEpsilon))
5221 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5222 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5224 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5225 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5228 if (coordinates > 0)
5230 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5231 (fabs(p.y-point.y) >= MagickEpsilon))
5232 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5233 (double) coordinates);
5235 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5236 (
double) coordinates);
5240 MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5259 if (draw_info->debug != MagickFalse)
5261 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5262 " begin draw-primitive");
5263 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5264 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5265 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5266 draw_info->affine.tx,draw_info->affine.ty);
5268 exception=(&image->exception);
5270 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5271 ((IsPixelGray(&draw_info->fill) == MagickFalse) ||
5272 (IsPixelGray(&draw_info->stroke) == MagickFalse)))
5273 status=SetImageColorspace(image,sRGBColorspace);
5274 if (draw_info->compliance == SVGCompliance)
5276 status&=SetImageClipMask(image,draw_info->clipping_mask);
5277 status&=SetImageMask(image,draw_info->composite_mask);
5279 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5280 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5281 image_view=AcquireAuthenticCacheView(image,exception);
5282 switch (primitive_info->primitive)
5284 case ColorPrimitive:
5286 switch (primitive_info->method)
5294 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5297 (void) GetFillColor(draw_info,x,y,q);
5298 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5306 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5307 for (y=0; y < (ssize_t) image->rows; y++)
5312 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5316 for (x=0; x < (ssize_t) image->columns; x++)
5318 if (IsColorSimilar(image,q,&target) == MagickFalse)
5323 (void) GetFillColor(draw_info,x,y,q);
5326 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5327 if (status == MagickFalse)
5332 case FloodfillMethod:
5333 case FillToBorderMethod:
5338 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5339 if (primitive_info->method == FillToBorderMethod)
5341 target.red=(MagickRealType) draw_info->border_color.red;
5342 target.green=(MagickRealType) draw_info->border_color.green;
5343 target.blue=(MagickRealType) draw_info->border_color.blue;
5345 status&=FloodfillPaintImage(image,DefaultChannels,draw_info,&target,x,
5346 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5352 for (y=0; y < (ssize_t) image->rows; y++)
5360 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5364 for (x=0; x < (ssize_t) image->columns; x++)
5366 (void) GetFillColor(draw_info,x,y,q);
5369 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5370 if (status == MagickFalse)
5378 case MattePrimitive:
5380 if (image->matte == MagickFalse)
5381 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel);
5382 switch (primitive_info->method)
5393 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5396 (void) GetFillColor(draw_info,x,y,&pixel);
5397 SetPixelOpacity(q,pixel.opacity);
5398 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5407 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5408 for (y=0; y < (ssize_t) image->rows; y++)
5416 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5420 for (x=0; x < (ssize_t) image->columns; x++)
5422 if (IsColorSimilar(image,q,&target) == MagickFalse)
5427 (void) GetFillColor(draw_info,x,y,&pixel);
5428 SetPixelOpacity(q,pixel.opacity);
5431 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5432 if (status == MagickFalse)
5437 case FloodfillMethod:
5438 case FillToBorderMethod:
5443 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5444 if (primitive_info->method == FillToBorderMethod)
5446 target.red=(MagickRealType) draw_info->border_color.red;
5447 target.green=(MagickRealType) draw_info->border_color.green;
5448 target.blue=(MagickRealType) draw_info->border_color.blue;
5450 status&=FloodfillPaintImage(image,OpacityChannel,draw_info,&target,x,
5451 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5460 for (y=0; y < (ssize_t) image->rows; y++)
5468 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5472 for (x=0; x < (ssize_t) image->columns; x++)
5474 (void) GetFillColor(draw_info,x,y,&pixel);
5475 SetPixelOpacity(q,pixel.opacity);
5478 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5479 if (status == MagickFalse)
5487 case ImagePrimitive:
5493 composite_geometry[MaxTextExtent];
5509 if (primitive_info->text == (
char *) NULL)
5511 clone_info=AcquireImageInfo();
5512 composite_images=(
Image *) NULL;
5513 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5514 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5517 if (*primitive_info->text !=
'\0')
5528 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5530 (void) SetImageInfo(clone_info,1,exception);
5531 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5533 if (clone_info->size != (
char *) NULL)
5534 clone_info->size=DestroyString(clone_info->size);
5535 if (clone_info->extract != (
char *) NULL)
5536 clone_info->extract=DestroyString(clone_info->extract);
5537 path_status=GetPathAttributes(clone_info->filename,&attributes);
5538 if (path_status != MagickFalse)
5540 if (S_ISCHR(attributes.st_mode) == 0)
5541 composite_images=ReadImage(clone_info,exception);
5543 (
void) ThrowMagickException(exception,GetMagickModule(),
5544 FileOpenError,
"UnableToOpenFile",
"`%s'",
5545 clone_info->filename);
5548 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5549 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5550 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5551 (LocaleCompare(clone_info->magick,
"vid") != 0))
5552 composite_images=ReadImage(clone_info,exception);
5554 (
void) ThrowMagickException(exception,GetMagickModule(),
5555 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5557 clone_info=DestroyImageInfo(clone_info);
5558 if (composite_images == (
Image *) NULL)
5563 composite_image=RemoveFirstImageFromList(&composite_images);
5564 composite_images=DestroyImageList(composite_images);
5565 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5566 NULL,(
void *) NULL);
5567 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5568 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5569 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5570 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5573 geometry[MaxTextExtent];
5578 (void) FormatLocaleString(geometry,MaxTextExtent,
"%gx%g!",
5579 primitive_info[1].point.x,primitive_info[1].point.y);
5580 composite_image->filter=image->filter;
5581 status&=TransformImage(&composite_image,(
char *) NULL,geometry);
5583 if (composite_image->matte == MagickFalse)
5584 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel);
5585 if (draw_info->opacity != OpaqueOpacity)
5586 status&=SetImageOpacity(composite_image,draw_info->opacity);
5587 SetGeometry(image,&geometry);
5588 image->gravity=draw_info->gravity;
5591 (void) FormatLocaleString(composite_geometry,MaxTextExtent,
5592 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5593 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5594 (void) ParseGravityGeometry(image,composite_geometry,&geometry,
5596 affine=draw_info->affine;
5597 affine.tx=(double) geometry.x;
5598 affine.ty=(
double) geometry.y;
5599 composite_image->interpolate=image->interpolate;
5600 if ((draw_info->compose == OverCompositeOp) ||
5601 (draw_info->compose == SrcOverCompositeOp))
5602 status&=DrawAffineImage(image,composite_image,&affine);
5604 status&=CompositeImage(image,draw_info->compose,composite_image,
5605 geometry.x,geometry.y);
5606 composite_image=DestroyImage(composite_image);
5609 case PointPrimitive:
5617 if ((y < 0) || (y >= (ssize_t) image->rows))
5619 if ((x < 0) || (x >= (ssize_t) image->columns))
5621 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5624 (void) GetFillColor(draw_info,x,y,&fill_color);
5625 MagickCompositeOver(&fill_color,(MagickRealType) fill_color.opacity,q,
5626 (MagickRealType) q->opacity,q);
5627 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5633 geometry[MaxTextExtent];
5638 if (primitive_info->text == (
char *) NULL)
5640 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5641 (void) CloneString(&clone_info->text,primitive_info->text);
5642 (void) FormatLocaleString(geometry,MaxTextExtent,
"%+f%+f",
5643 primitive_info->point.x,primitive_info->point.y);
5644 (void) CloneString(&clone_info->geometry,geometry);
5645 status&=AnnotateImage(image,clone_info);
5646 clone_info=DestroyDrawInfo(clone_info);
5658 if (IsEventLogging() != MagickFalse)
5659 LogPrimitiveInfo(primitive_info);
5660 scale=ExpandAffine(&draw_info->affine);
5661 if ((draw_info->dash_pattern != (
double *) NULL) &&
5662 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5663 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5664 (draw_info->stroke.opacity != (Quantum) TransparentOpacity))
5669 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5670 clone_info->stroke_width=0.0;
5671 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5672 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5673 clone_info=DestroyDrawInfo(clone_info);
5674 if (status != MagickFalse)
5675 status&=DrawDashPolygon(draw_info,primitive_info,image);
5678 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5680 ((draw_info->stroke.opacity != (Quantum) TransparentOpacity) ||
5681 (draw_info->stroke_pattern != (
Image *) NULL)))
5693 closed_path=primitive_info[0].closed_subpath;
5694 i=(ssize_t) primitive_info[0].coordinates;
5695 x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5696 y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5697 if ((x < MagickEpsilon) && (y < MagickEpsilon))
5698 closed_path=MagickTrue;
5699 if ((((draw_info->linecap == RoundCap) ||
5700 (closed_path != MagickFalse)) &&
5701 (draw_info->linejoin == RoundJoin)) ||
5702 (primitive_info[i].primitive != UndefinedPrimitive))
5704 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5707 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5708 clone_info->stroke_width=0.0;
5709 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5710 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5711 clone_info=DestroyDrawInfo(clone_info);
5712 if (status != MagickFalse)
5713 status&=DrawStrokePolygon(image,draw_info,primitive_info);
5716 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5720 image_view=DestroyCacheView(image_view);
5721 if (draw_info->compliance == SVGCompliance)
5723 status&=SetImageClipMask(image,(
Image *) NULL);
5724 status&=SetImageMask(image,(
Image *) NULL);
5726 if (draw_info->debug != MagickFalse)
5727 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5728 return(status != 0 ? MagickTrue : MagickFalse);
5761 static MagickBooleanType DrawRoundLinecap(
Image *image,
5770 for (i=0; i < 4; i++)
5771 linecap[i]=(*primitive_info);
5772 linecap[0].coordinates=4;
5773 linecap[1].point.x+=2.0*MagickEpsilon;
5774 linecap[2].point.x+=2.0*MagickEpsilon;
5775 linecap[2].point.y+=2.0*MagickEpsilon;
5776 linecap[3].point.y+=2.0*MagickEpsilon;
5777 linecap[4].primitive=UndefinedPrimitive;
5778 return(DrawPolygonPrimitive(image,draw_info,linecap));
5781 static MagickBooleanType DrawStrokePolygon(
Image *image,
5803 if (draw_info->debug != MagickFalse)
5804 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5805 " begin draw-stroke-polygon");
5806 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5807 clone_info->fill=draw_info->stroke;
5808 if (clone_info->fill_pattern != (
Image *) NULL)
5809 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5810 if (clone_info->stroke_pattern != (
Image *) NULL)
5811 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5812 MagickTrue,&clone_info->stroke_pattern->exception);
5813 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5814 clone_info->stroke_width=0.0;
5815 clone_info->fill_rule=NonZeroRule;
5817 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=p->coordinates)
5819 if (p->coordinates == 1)
5821 stroke_polygon=TraceStrokePolygon(draw_info,p,&image->exception);
5827 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon);
5828 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5831 q=p+p->coordinates-1;
5832 closed_path=p->closed_subpath;
5833 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5835 status&=DrawRoundLinecap(image,draw_info,p);
5836 status&=DrawRoundLinecap(image,draw_info,q);
5839 clone_info=DestroyDrawInfo(clone_info);
5840 if (draw_info->debug != MagickFalse)
5841 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5842 " end draw-stroke-polygon");
5843 return(status != 0 ? MagickTrue : MagickFalse);
5869 MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5872 if (IsEventLogging() != MagickFalse)
5873 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5874 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5875 affine_matrix->sx=1.0;
5876 affine_matrix->sy=1.0;
5920 assert(draw_info != (
DrawInfo *) NULL);
5921 if (IsEventLogging() != MagickFalse)
5922 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5923 (void) memset(draw_info,0,
sizeof(*draw_info));
5924 clone_info=CloneImageInfo(image_info);
5925 GetAffineMatrix(&draw_info->affine);
5926 exception=AcquireExceptionInfo();
5927 (void) QueryColorDatabase(
"#000F",&draw_info->fill,exception);
5928 (void) QueryColorDatabase(
"#FFF0",&draw_info->stroke,exception);
5929 draw_info->stroke_antialias=clone_info->antialias;
5930 draw_info->stroke_width=1.0;
5931 draw_info->fill_rule=EvenOddRule;
5932 draw_info->opacity=OpaqueOpacity;
5933 draw_info->fill_opacity=OpaqueOpacity;
5934 draw_info->stroke_opacity=OpaqueOpacity;
5935 draw_info->linecap=ButtCap;
5936 draw_info->linejoin=MiterJoin;
5937 draw_info->miterlimit=10;
5938 draw_info->decorate=NoDecoration;
5939 if (clone_info->font != (
char *) NULL)
5940 draw_info->font=AcquireString(clone_info->font);
5941 if (clone_info->density != (
char *) NULL)
5942 draw_info->density=AcquireString(clone_info->density);
5943 draw_info->text_antialias=clone_info->antialias;
5944 draw_info->pointsize=12.0;
5945 if (fabs(clone_info->pointsize) >= MagickEpsilon)
5946 draw_info->pointsize=clone_info->pointsize;
5947 draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
5948 draw_info->border_color=clone_info->border_color;
5949 draw_info->compose=OverCompositeOp;
5950 if (clone_info->server_name != (
char *) NULL)
5951 draw_info->server_name=AcquireString(clone_info->server_name);
5952 draw_info->render=MagickTrue;
5953 draw_info->clip_path=MagickFalse;
5954 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
5955 MagickTrue : MagickFalse;
5956 option=GetImageOption(clone_info,
"direction");
5957 if (option != (
const char *) NULL)
5958 draw_info->direction=(DirectionType) ParseCommandOption(
5959 MagickDirectionOptions,MagickFalse,option);
5961 draw_info->direction=UndefinedDirection;
5962 option=GetImageOption(clone_info,
"encoding");
5963 if (option != (
const char *) NULL)
5964 (void) CloneString(&draw_info->encoding,option);
5965 option=GetImageOption(clone_info,
"family");
5966 if (option != (
const char *) NULL)
5967 (void) CloneString(&draw_info->family,option);
5968 option=GetImageOption(clone_info,
"fill");
5969 if (option != (
const char *) NULL)
5970 (void) QueryColorDatabase(option,&draw_info->fill,exception);
5971 option=GetImageOption(clone_info,
"gravity");
5972 if (option != (
const char *) NULL)
5973 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
5974 MagickFalse,option);
5975 option=GetImageOption(clone_info,
"interline-spacing");
5976 if (option != (
const char *) NULL)
5977 draw_info->interline_spacing=GetDrawValue(option,&next_token);
5978 option=GetImageOption(clone_info,
"interword-spacing");
5979 if (option != (
const char *) NULL)
5980 draw_info->interword_spacing=GetDrawValue(option,&next_token);
5981 option=GetImageOption(clone_info,
"kerning");
5982 if (option != (
const char *) NULL)
5983 draw_info->kerning=GetDrawValue(option,&next_token);
5984 option=GetImageOption(clone_info,
"stroke");
5985 if (option != (
const char *) NULL)
5986 (void) QueryColorDatabase(option,&draw_info->stroke,exception);
5987 option=GetImageOption(clone_info,
"strokewidth");
5988 if (option != (
const char *) NULL)
5989 draw_info->stroke_width=GetDrawValue(option,&next_token);
5990 option=GetImageOption(clone_info,
"style");
5991 if (option != (
const char *) NULL)
5992 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
5993 MagickFalse,option);
5994 option=GetImageOption(clone_info,
"undercolor");
5995 if (option != (
const char *) NULL)
5996 (void) QueryColorDatabase(option,&draw_info->undercolor,exception);
5997 option=GetImageOption(clone_info,
"weight");
5998 if (option != (
const char *) NULL)
6003 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
6005 weight=(ssize_t) StringToUnsignedLong(option);
6006 draw_info->weight=(size_t) weight;
6008 exception=DestroyExceptionInfo(exception);
6009 draw_info->signature=MagickCoreSignature;
6010 clone_info=DestroyImageInfo(clone_info);
6038 static inline double Permutate(
const ssize_t n,
const ssize_t k)
6047 for (i=k+1; i <= n; i++)
6049 for (i=1; i <= (n-k); i++)
6077 center.x=0.5*(end.x+start.x);
6078 center.y=0.5*(end.y+start.y);
6079 radius.x=fabs(center.x-start.x);
6080 radius.y=fabs(center.y-start.y);
6081 return(TraceEllipse(mvg_info,center,radius,degrees));
6084 static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6086 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6123 offset=mvg_info->offset;
6124 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6125 primitive_info->coordinates=0;
6126 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6127 (fabs(start.y-end.y) < MagickEpsilon))
6128 return(TracePoint(primitive_info,end));
6129 radii.x=fabs(arc.x);
6130 radii.y=fabs(arc.y);
6131 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6132 return(TraceLine(primitive_info,start,end));
6133 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6134 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6135 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6136 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6137 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6139 if (delta < MagickEpsilon)
6140 return(TraceLine(primitive_info,start,end));
6143 radii.x*=sqrt((
double) delta);
6144 radii.y*=sqrt((
double) delta);
6146 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6147 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6148 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6149 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6150 alpha=points[1].x-points[0].x;
6151 beta=points[1].y-points[0].y;
6152 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6153 return(TraceLine(primitive_info,start,end));
6154 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6159 factor=sqrt((
double) factor);
6160 if (sweep == large_arc)
6163 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6164 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6165 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6166 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6167 if ((theta < 0.0) && (sweep != MagickFalse))
6168 theta+=2.0*MagickPI;
6170 if ((theta > 0.0) && (sweep == MagickFalse))
6171 theta-=2.0*MagickPI;
6172 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6173 MagickPI+MagickEpsilon)))));
6176 for (i=0; i < (ssize_t) arc_segments; i++)
6178 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6179 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6180 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6181 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6182 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6183 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6184 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6185 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6186 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6187 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6188 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6189 theta/arc_segments),DegreesToRadians(360.0))));
6190 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6191 theta/arc_segments),DegreesToRadians(360.0))));
6192 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6193 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6194 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6195 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6196 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6197 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6198 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6200 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6202 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6204 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6206 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6208 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6210 if (i == (ssize_t) (arc_segments-1))
6212 status&=TraceBezier(mvg_info,4);
6215 p=(*mvg_info->primitive_info)+mvg_info->offset;
6216 mvg_info->offset+=p->coordinates;
6220 return(MagickFalse);
6221 mvg_info->offset=offset;
6222 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6223 primitive_info->coordinates=(
size_t) (p-primitive_info);
6224 primitive_info->closed_subpath=MagickFalse;
6225 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6227 p->primitive=primitive_info->primitive;
6233 static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6234 const size_t number_coordinates)
6263 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6264 quantum=number_coordinates;
6265 for (i=0; i < (ssize_t) number_coordinates; i++)
6267 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6269 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6270 if (alpha > (
double) MAGICK_SSIZE_MAX)
6272 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6273 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6274 return(MagickFalse);
6276 if (alpha > (
double) quantum)
6277 quantum=(
size_t) alpha;
6278 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6279 if (alpha > (
double) MAGICK_SSIZE_MAX)
6281 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6282 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6283 return(MagickFalse);
6285 if (alpha > (
double) quantum)
6286 quantum=(
size_t) alpha;
6289 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6290 sizeof(*coefficients));
6291 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6292 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6294 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6297 points=(
PointInfo *) RelinquishMagickMemory(points);
6298 if (coefficients != (
double *) NULL)
6299 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6300 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6301 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6302 return(MagickFalse);
6304 control_points=quantum*number_coordinates;
6305 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6307 points=(
PointInfo *) RelinquishMagickMemory(points);
6308 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6309 return(MagickFalse);
6311 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6315 end=primitive_info[number_coordinates-1].point;
6316 for (i=0; i < (ssize_t) number_coordinates; i++)
6317 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6319 for (i=0; i < (ssize_t) control_points; i++)
6324 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6325 for (j=0; j < (ssize_t) number_coordinates; j++)
6327 point.x+=alpha*coefficients[j]*p->point.x;
6328 point.y+=alpha*coefficients[j]*p->point.y;
6329 alpha*=weight/(1.0-weight);
6333 weight+=1.0/control_points;
6339 for (i=0; i < (ssize_t) control_points; i++)
6341 if (TracePoint(p,points[i]) == MagickFalse)
6343 points=(
PointInfo *) RelinquishMagickMemory(points);
6344 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6345 return(MagickFalse);
6349 if (TracePoint(p,end) == MagickFalse)
6351 points=(
PointInfo *) RelinquishMagickMemory(points);
6352 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6353 return(MagickFalse);
6356 primitive_info->coordinates=(size_t) (p-primitive_info);
6357 primitive_info->closed_subpath=MagickFalse;
6358 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6360 p->primitive=primitive_info->primitive;
6363 points=(
PointInfo *) RelinquishMagickMemory(points);
6364 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6368 static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6380 alpha=end.x-start.x;
6382 radius=hypot((
double) alpha,(
double) beta);
6383 offset.x=(double) radius;
6384 offset.y=(double) radius;
6387 return(TraceEllipse(mvg_info,start,offset,degrees));
6390 static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6416 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6417 primitive_info->coordinates=0;
6418 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6420 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6422 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6423 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6424 angle.x=DegreesToRadians(arc.x);
6428 angle.y=DegreesToRadians(y);
6429 coordinates=ceil((angle.y-angle.x)/step+1.0);
6430 if (CheckPrimitiveExtent(mvg_info,coordinates) == MagickFalse)
6431 return(MagickFalse);
6432 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6433 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6435 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6436 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6437 if (TracePoint(p,point) == MagickFalse)
6438 return(MagickFalse);
6441 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6442 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6443 if (TracePoint(p,point) == MagickFalse)
6444 return(MagickFalse);
6446 primitive_info->coordinates=(size_t) (p-primitive_info);
6447 primitive_info->closed_subpath=MagickFalse;
6448 x=fabs(primitive_info[0].point.x-
6449 primitive_info[primitive_info->coordinates-1].point.x);
6450 y=fabs(primitive_info[0].point.y-
6451 primitive_info[primitive_info->coordinates-1].point.y);
6452 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6453 primitive_info->closed_subpath=MagickTrue;
6454 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6456 p->primitive=primitive_info->primitive;
6462 static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6465 if (TracePoint(primitive_info,start) == MagickFalse)
6466 return(MagickFalse);
6467 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6468 (fabs(start.y-end.y) < MagickEpsilon))
6470 primitive_info->primitive=PointPrimitive;
6471 primitive_info->coordinates=1;
6474 if (TracePoint(primitive_info+1,end) == MagickFalse)
6475 return(MagickFalse);
6476 (primitive_info+1)->primitive=primitive_info->primitive;
6477 primitive_info->coordinates=2;
6478 primitive_info->closed_subpath=MagickFalse;
6482 static ssize_t TracePath(
Image *image,
MVGInfo *mvg_info,
const char *path)
6486 token[MaxTextExtent] =
"";
6504 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6527 subpath_offset=mvg_info->offset;
6528 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6531 number_coordinates=0;
6534 primitive_type=primitive_info->primitive;
6536 for (p=path; *p !=
'\0'; )
6538 if (status == MagickFalse)
6540 while (isspace((
int) ((
unsigned char) *p)) != 0)
6544 last_attribute=attribute;
6545 attribute=(int) (*p++);
6555 large_arc = MagickFalse,
6556 sweep = MagickFalse;
6566 (void) GetNextToken(p,&p,MaxTextExtent,token);
6568 (void) GetNextToken(p,&p,MaxTextExtent,token);
6569 arc.x=GetDrawValue(token,&next_token);
6570 if (token == next_token)
6571 ThrowPointExpectedException(image,token);
6572 (void) GetNextToken(p,&p,MaxTextExtent,token);
6574 (void) GetNextToken(p,&p,MaxTextExtent,token);
6575 arc.y=GetDrawValue(token,&next_token);
6576 if (token == next_token)
6577 ThrowPointExpectedException(image,token);
6578 (void) GetNextToken(p,&p,MaxTextExtent,token);
6580 (void) GetNextToken(p,&p,MaxTextExtent,token);
6581 angle=GetDrawValue(token,&next_token);
6582 if (token == next_token)
6583 ThrowPointExpectedException(image,token);
6584 (void) GetNextToken(p,&p,MaxTextExtent,token);
6586 (void) GetNextToken(p,&p,MaxTextExtent,token);
6587 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6588 (void) GetNextToken(p,&p,MaxTextExtent,token);
6590 (void) GetNextToken(p,&p,MaxTextExtent,token);
6591 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6593 (void) GetNextToken(p,&p,MaxTextExtent,token);
6594 (void) GetNextToken(p,&p,MaxTextExtent,token);
6596 (void) GetNextToken(p,&p,MaxTextExtent,token);
6597 x=GetDrawValue(token,&next_token);
6598 if (token == next_token)
6599 ThrowPointExpectedException(image,token);
6600 (void) GetNextToken(p,&p,MaxTextExtent,token);
6602 (void) GetNextToken(p,&p,MaxTextExtent,token);
6603 y=GetDrawValue(token,&next_token);
6604 if (token == next_token)
6605 ThrowPointExpectedException(image,token);
6606 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6607 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6608 status&=TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep);
6609 q=(*mvg_info->primitive_info)+mvg_info->offset;
6610 mvg_info->offset+=q->coordinates;
6613 while (isspace((
int) ((
unsigned char) *p)) != 0)
6617 }
while (IsPoint(p) != MagickFalse);
6629 for (i=1; i < 4; i++)
6631 (void) GetNextToken(p,&p,MaxTextExtent,token);
6633 (void) GetNextToken(p,&p,MaxTextExtent,token);
6634 x=GetDrawValue(token,&next_token);
6635 if (token == next_token)
6636 ThrowPointExpectedException(image,token);
6637 (void) GetNextToken(p,&p,MaxTextExtent,token);
6639 (void) GetNextToken(p,&p,MaxTextExtent,token);
6640 y=GetDrawValue(token,&next_token);
6641 if (token == next_token)
6642 ThrowPointExpectedException(image,token);
6643 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6644 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6647 for (i=0; i < 4; i++)
6648 (q+i)->point=points[i];
6649 if (TraceBezier(mvg_info,4) == MagickFalse)
6651 q=(*mvg_info->primitive_info)+mvg_info->offset;
6652 mvg_info->offset+=q->coordinates;
6655 while (isspace((
int) ((
unsigned char) *p)) != 0)
6659 }
while (IsPoint(p) != MagickFalse);
6667 (void) GetNextToken(p,&p,MaxTextExtent,token);
6669 (void) GetNextToken(p,&p,MaxTextExtent,token);
6670 x=GetDrawValue(token,&next_token);
6671 if (token == next_token)
6672 ThrowPointExpectedException(image,token);
6673 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6674 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6676 q=(*mvg_info->primitive_info)+mvg_info->offset;
6677 if (TracePoint(q,point) == MagickFalse)
6679 mvg_info->offset+=q->coordinates;
6681 while (isspace((
int) ((
unsigned char) *p)) != 0)
6685 }
while (IsPoint(p) != MagickFalse);
6696 (void) GetNextToken(p,&p,MaxTextExtent,token);
6698 (void) GetNextToken(p,&p,MaxTextExtent,token);
6699 x=GetDrawValue(token,&next_token);
6700 if (token == next_token)
6701 ThrowPointExpectedException(image,token);
6702 (void) GetNextToken(p,&p,MaxTextExtent,token);
6704 (void) GetNextToken(p,&p,MaxTextExtent,token);
6705 y=GetDrawValue(token,&next_token);
6706 if (token == next_token)
6707 ThrowPointExpectedException(image,token);
6708 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6709 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6710 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6712 q=(*mvg_info->primitive_info)+mvg_info->offset;
6713 if (TracePoint(q,point) == MagickFalse)
6715 mvg_info->offset+=q->coordinates;
6717 while (isspace((
int) ((
unsigned char) *p)) != 0)
6721 }
while (IsPoint(p) != MagickFalse);
6730 if (mvg_info->offset != subpath_offset)
6732 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6733 primitive_info->coordinates=(size_t) (q-primitive_info);
6734 number_coordinates+=primitive_info->coordinates;
6736 subpath_offset=mvg_info->offset;
6741 (void) GetNextToken(p,&p,MaxTextExtent,token);
6743 (void) GetNextToken(p,&p,MaxTextExtent,token);
6744 x=GetDrawValue(token,&next_token);
6745 if (token == next_token)
6746 ThrowPointExpectedException(image,token);
6747 (void) GetNextToken(p,&p,MaxTextExtent,token);
6749 (void) GetNextToken(p,&p,MaxTextExtent,token);
6750 y=GetDrawValue(token,&next_token);
6751 if (token == next_token)
6752 ThrowPointExpectedException(image,token);
6753 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6754 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6758 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6760 q=(*mvg_info->primitive_info)+mvg_info->offset;
6761 if (TracePoint(q,point) == MagickFalse)
6763 mvg_info->offset+=q->coordinates;
6765 while (isspace((
int) ((
unsigned char) *p)) != 0)
6769 }
while (IsPoint(p) != MagickFalse);
6781 for (i=1; i < 3; i++)
6783 (void) GetNextToken(p,&p,MaxTextExtent,token);
6785 (void) GetNextToken(p,&p,MaxTextExtent,token);
6786 x=GetDrawValue(token,&next_token);
6787 if (token == next_token)
6788 ThrowPointExpectedException(image,token);
6789 (void) GetNextToken(p,&p,MaxTextExtent,token);
6791 (void) GetNextToken(p,&p,MaxTextExtent,token);
6792 y=GetDrawValue(token,&next_token);
6793 if (token == next_token)
6794 ThrowPointExpectedException(image,token);
6797 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6798 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6801 for (i=0; i < 3; i++)
6802 (q+i)->point=points[i];
6803 if (TraceBezier(mvg_info,3) == MagickFalse)
6805 q=(*mvg_info->primitive_info)+mvg_info->offset;
6806 mvg_info->offset+=q->coordinates;
6809 while (isspace((
int) ((
unsigned char) *p)) != 0)
6813 }
while (IsPoint(p) != MagickFalse);
6824 points[0]=points[3];
6825 points[1].x=2.0*points[3].x-points[2].x;
6826 points[1].y=2.0*points[3].y-points[2].y;
6827 for (i=2; i < 4; i++)
6829 (void) GetNextToken(p,&p,MaxTextExtent,token);
6831 (void) GetNextToken(p,&p,MaxTextExtent,token);
6832 x=GetDrawValue(token,&next_token);
6833 if (token == next_token)
6834 ThrowPointExpectedException(image,token);
6835 (void) GetNextToken(p,&p,MaxTextExtent,token);
6837 (void) GetNextToken(p,&p,MaxTextExtent,token);
6838 y=GetDrawValue(token,&next_token);
6839 if (token == next_token)
6840 ThrowPointExpectedException(image,token);
6843 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6844 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6847 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6852 for (i=0; i < 4; i++)
6853 (q+i)->point=points[i];
6854 if (TraceBezier(mvg_info,4) == MagickFalse)
6856 q=(*mvg_info->primitive_info)+mvg_info->offset;
6857 mvg_info->offset+=q->coordinates;
6860 last_attribute=attribute;
6861 while (isspace((
int) ((
unsigned char) *p)) != 0)
6865 }
while (IsPoint(p) != MagickFalse);
6876 points[0]=points[2];
6877 points[1].x=2.0*points[2].x-points[1].x;
6878 points[1].y=2.0*points[2].y-points[1].y;
6879 for (i=2; i < 3; i++)
6881 (void) GetNextToken(p,&p,MaxTextExtent,token);
6883 (void) GetNextToken(p,&p,MaxTextExtent,token);
6884 x=GetDrawValue(token,&next_token);
6885 if (token == next_token)
6886 ThrowPointExpectedException(image,token);
6887 (void) GetNextToken(p,&p,MaxTextExtent,token);
6889 (void) GetNextToken(p,&p,MaxTextExtent,token);
6890 y=GetDrawValue(token,&next_token);
6891 if (token == next_token)
6892 ThrowPointExpectedException(image,token);
6893 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6894 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6897 if (status == MagickFalse)
6899 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6904 for (i=0; i < 3; i++)
6905 (q+i)->point=points[i];
6906 if (TraceBezier(mvg_info,3) == MagickFalse)
6908 q=(*mvg_info->primitive_info)+mvg_info->offset;
6909 mvg_info->offset+=q->coordinates;
6912 last_attribute=attribute;
6913 while (isspace((
int) ((
unsigned char) *p)) != 0)
6917 }
while (IsPoint(p) != MagickFalse);
6928 (void) GetNextToken(p,&p,MaxTextExtent,token);
6930 (void) GetNextToken(p,&p,MaxTextExtent,token);
6931 y=GetDrawValue(token,&next_token);
6932 if (token == next_token)
6933 ThrowPointExpectedException(image,token);
6934 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
6935 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6937 q=(*mvg_info->primitive_info)+mvg_info->offset;
6938 if (TracePoint(q,point) == MagickFalse)
6940 mvg_info->offset+=q->coordinates;
6942 while (isspace((
int) ((
unsigned char) *p)) != 0)
6946 }
while (IsPoint(p) != MagickFalse);
6956 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6958 q=(*mvg_info->primitive_info)+mvg_info->offset;
6959 if (TracePoint(q,point) == MagickFalse)
6961 mvg_info->offset+=q->coordinates;
6963 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6964 primitive_info->coordinates=(size_t) (q-primitive_info);
6965 primitive_info->closed_subpath=MagickTrue;
6966 number_coordinates+=primitive_info->coordinates;
6968 subpath_offset=mvg_info->offset;
6974 ThrowPointExpectedException(image,token);
6979 if (status == MagickFalse)
6981 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6982 primitive_info->coordinates=(size_t) (q-primitive_info);
6983 number_coordinates+=primitive_info->coordinates;
6984 for (i=0; i < (ssize_t) number_coordinates; i++)
6987 q->primitive=primitive_type;
6989 q->method=FillToBorderMethod;
6992 return((ssize_t) number_coordinates);
6995 static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
7008 if (TracePoint(p,start) == MagickFalse)
7009 return(MagickFalse);
7013 if (TracePoint(p,point) == MagickFalse)
7014 return(MagickFalse);
7016 if (TracePoint(p,end) == MagickFalse)
7017 return(MagickFalse);
7021 if (TracePoint(p,point) == MagickFalse)
7022 return(MagickFalse);
7024 if (TracePoint(p,start) == MagickFalse)
7025 return(MagickFalse);
7027 primitive_info->coordinates=(size_t) (p-primitive_info);
7028 primitive_info->closed_subpath=MagickTrue;
7029 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7031 p->primitive=primitive_info->primitive;
7037 static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7057 offset=mvg_info->offset;
7058 segment.x=fabs(end.x-start.x);
7059 segment.y=fabs(end.y-start.y);
7060 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7062 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7065 if (arc.x > (0.5*segment.x))
7066 arc.x=0.5*segment.x;
7067 if (arc.y > (0.5*segment.y))
7068 arc.y=0.5*segment.y;
7069 point.x=start.x+segment.x-arc.x;
7070 point.y=start.y+arc.y;
7073 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7074 return(MagickFalse);
7075 p=(*mvg_info->primitive_info)+mvg_info->offset;
7076 mvg_info->offset+=p->coordinates;
7077 point.x=start.x+segment.x-arc.x;
7078 point.y=start.y+segment.y-arc.y;
7081 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7082 return(MagickFalse);
7083 p=(*mvg_info->primitive_info)+mvg_info->offset;
7084 mvg_info->offset+=p->coordinates;
7085 point.x=start.x+arc.x;
7086 point.y=start.y+segment.y-arc.y;
7089 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7090 return(MagickFalse);
7091 p=(*mvg_info->primitive_info)+mvg_info->offset;
7092 mvg_info->offset+=p->coordinates;
7093 point.x=start.x+arc.x;
7094 point.y=start.y+arc.y;
7097 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7098 return(MagickFalse);
7099 p=(*mvg_info->primitive_info)+mvg_info->offset;
7100 mvg_info->offset+=p->coordinates;
7101 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7102 return(MagickFalse);
7103 p=(*mvg_info->primitive_info)+mvg_info->offset;
7104 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7105 return(MagickFalse);
7107 mvg_info->offset=offset;
7108 primitive_info=(*mvg_info->primitive_info)+offset;
7109 primitive_info->coordinates=(size_t) (p-primitive_info);
7110 primitive_info->closed_subpath=MagickTrue;
7111 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7113 p->primitive=primitive_info->primitive;
7119 static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7120 const size_t number_vertices,
const double offset)
7137 for (i=1; i < (ssize_t) number_vertices; i++)
7139 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7140 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7141 if ((fabs((
double) dx) >= MagickEpsilon) ||
7142 (fabs((
double) dy) >= MagickEpsilon))
7145 if (i == (ssize_t) number_vertices)
7146 i=(ssize_t) number_vertices-1L;
7147 distance=hypot((
double) dx,(
double) dy);
7148 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7149 dx*(distance+offset)/distance);
7150 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7151 dy*(distance+offset)/distance);
7152 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7154 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7155 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7156 if ((fabs((
double) dx) >= MagickEpsilon) ||
7157 (fabs((
double) dy) >= MagickEpsilon))
7160 distance=hypot((
double) dx,(
double) dy);
7161 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7162 dx*(distance+offset)/distance);
7163 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7164 dy*(distance+offset)/distance);
7171 #define MaxStrokePad (6*BezierQuantum+360)
7172 #define CheckPathExtent(pad_p,pad_q) \
7174 if ((pad_p) > MaxBezierCoordinates) \
7175 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7177 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \
7179 if (~extent_p < (pad_p)) \
7180 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7183 extent_p+=(pad_p); \
7184 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7185 MaxStrokePad,sizeof(*stroke_p)); \
7188 if ((pad_q) > MaxBezierCoordinates) \
7189 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7191 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \
7193 if (~extent_q < (pad_q)) \
7194 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7197 extent_q+=(pad_q); \
7198 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7199 MaxStrokePad,sizeof(*stroke_q)); \
7202 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7204 if (stroke_p != (PointInfo *) NULL) \
7205 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7206 if (stroke_q != (PointInfo *) NULL) \
7207 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7208 polygon_primitive=(PrimitiveInfo *) \
7209 RelinquishMagickMemory(polygon_primitive); \
7210 (void) ThrowMagickException(exception,GetMagickModule(), \
7211 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7212 return((PrimitiveInfo *) NULL); \
7216 typedef struct _StrokeSegment
7262 inverse_slope = {0.0, 0.0},
7269 number_vertices=primitive_info->coordinates;
7270 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7271 number_vertices+2UL,
sizeof(*polygon_primitive));
7274 (void) ThrowMagickException(exception,GetMagickModule(),
7275 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7278 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7279 sizeof(*polygon_primitive));
7280 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7281 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7282 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7283 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7284 if (((draw_info->linejoin == RoundJoin) ||
7285 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7287 polygon_primitive[number_vertices]=primitive_info[1];
7290 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7296 for (n=1; n < (ssize_t) number_vertices; n++)
7298 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7299 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7300 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7303 if (n == (ssize_t) number_vertices)
7305 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7311 sizeof(*stroke_polygon));
7312 stroke_polygon[0]=polygon_primitive[0];
7313 stroke_polygon[0].coordinates=0;
7316 return(stroke_polygon);
7318 n=(ssize_t) number_vertices-1L;
7320 extent_p=2*number_vertices;
7321 extent_q=2*number_vertices;
7322 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7324 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7329 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7331 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7333 RelinquishMagickMemory(polygon_primitive);
7334 (void) ThrowMagickException(exception,GetMagickModule(),
7335 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7339 inverse_slope.p=0.0;
7340 if (fabs(dx.p) < MagickEpsilon)
7343 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7345 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7348 if (fabs(dy.p) < MagickEpsilon)
7351 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7353 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7358 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7360 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7361 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7362 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7363 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7364 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7365 offset.y=(double) (offset.x*inverse_slope.p);
7366 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7368 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7369 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7370 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7371 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7372 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7373 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7374 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7375 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7379 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7380 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7381 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7382 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7383 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7384 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7385 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7386 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7393 stroke_q[p++]=box_q[0];
7394 stroke_p[q++]=box_p[0];
7395 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7400 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7401 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7402 dot_product=dx.q*dx.q+dy.q*dy.q;
7403 if (dot_product < 0.25)
7406 inverse_slope.q=0.0;
7407 if (fabs(dx.q) < MagickEpsilon)
7410 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7412 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7415 if (fabs(dy.q) < MagickEpsilon)
7418 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7420 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7425 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7427 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7428 offset.y=(double) (offset.x*inverse_slope.q);
7429 dot_product=dy.q*offset.x-dx.q*offset.y;
7430 if (dot_product > 0.0)
7432 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7433 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7434 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7435 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7436 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7437 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7438 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7439 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7443 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7444 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7445 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7446 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7447 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7448 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7449 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7450 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7452 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7459 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7460 box_p[3].y)/(slope.p-slope.q));
7461 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7462 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7463 box_q[3].y)/(slope.p-slope.q));
7464 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7466 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7467 dot_product=dx.q*dy.p-dx.p*dy.q;
7468 if (dot_product <= 0.0)
7469 switch (draw_info->linejoin)
7473 stroke_q[q++]=box_q[1];
7474 stroke_q[q++]=box_q[2];
7475 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7476 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7477 if (dot_product <= miterlimit)
7478 stroke_p[p++]=box_p[4];
7481 stroke_p[p++]=box_p[1];
7482 stroke_p[p++]=box_p[2];
7488 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7489 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7490 if (dot_product <= miterlimit)
7492 stroke_q[q++]=box_q[4];
7493 stroke_p[p++]=box_p[4];
7497 stroke_q[q++]=box_q[1];
7498 stroke_q[q++]=box_q[2];
7499 stroke_p[p++]=box_p[1];
7500 stroke_p[p++]=box_p[2];
7506 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7507 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7508 if (dot_product <= miterlimit)
7509 stroke_p[p++]=box_p[4];
7512 stroke_p[p++]=box_p[1];
7513 stroke_p[p++]=box_p[2];
7515 center=polygon_primitive[n].point;
7516 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7517 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7518 if (theta.q < theta.p)
7519 theta.q+=2.0*MagickPI;
7520 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7521 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7522 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7523 stroke_q[q].x=box_q[1].x;
7524 stroke_q[q].y=box_q[1].y;
7526 for (j=1; j < (ssize_t) arc_segments; j++)
7528 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7529 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7530 (theta.p+delta_theta),DegreesToRadians(360.0))));
7531 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7532 (theta.p+delta_theta),DegreesToRadians(360.0))));
7535 stroke_q[q++]=box_q[2];
7542 switch (draw_info->linejoin)
7546 stroke_p[p++]=box_p[1];
7547 stroke_p[p++]=box_p[2];
7548 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7549 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7550 if (dot_product <= miterlimit)
7551 stroke_q[q++]=box_q[4];
7554 stroke_q[q++]=box_q[1];
7555 stroke_q[q++]=box_q[2];
7561 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7562 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7563 if (dot_product <= miterlimit)
7565 stroke_q[q++]=box_q[4];
7566 stroke_p[p++]=box_p[4];
7570 stroke_q[q++]=box_q[1];
7571 stroke_q[q++]=box_q[2];
7572 stroke_p[p++]=box_p[1];
7573 stroke_p[p++]=box_p[2];
7579 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7580 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7581 if (dot_product <= miterlimit)
7582 stroke_q[q++]=box_q[4];
7585 stroke_q[q++]=box_q[1];
7586 stroke_q[q++]=box_q[2];
7588 center=polygon_primitive[n].point;
7589 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7590 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7591 if (theta.p < theta.q)
7592 theta.p+=2.0*MagickPI;
7593 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7594 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7595 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7596 stroke_p[p++]=box_p[1];
7597 for (j=1; j < (ssize_t) arc_segments; j++)
7599 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7600 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7601 (theta.p+delta_theta),DegreesToRadians(360.0))));
7602 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7603 (theta.p+delta_theta),DegreesToRadians(360.0))));
7606 stroke_p[p++]=box_p[2];
7613 inverse_slope.p=inverse_slope.q;
7622 stroke_p[p++]=box_p[1];
7623 stroke_q[q++]=box_q[1];
7627 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7628 (p+q+2UL*closed_path+2UL),
sizeof(*stroke_polygon));
7631 (void) ThrowMagickException(exception,GetMagickModule(),
7632 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7633 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7634 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7637 return(stroke_polygon);
7639 for (i=0; i < (ssize_t) p; i++)
7641 stroke_polygon[i]=polygon_primitive[0];
7642 stroke_polygon[i].point=stroke_p[i];
7644 if (closed_path != MagickFalse)
7646 stroke_polygon[i]=polygon_primitive[0];
7647 stroke_polygon[i].point=stroke_polygon[0].point;
7650 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7652 stroke_polygon[i]=polygon_primitive[0];
7653 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7655 if (closed_path != MagickFalse)
7657 stroke_polygon[i]=polygon_primitive[0];
7658 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7661 stroke_polygon[i]=polygon_primitive[0];
7662 stroke_polygon[i].point=stroke_polygon[0].point;
7664 stroke_polygon[i].primitive=UndefinedPrimitive;
7665 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7666 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7667 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7668 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7669 return(stroke_polygon);