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,
1764 assert(draw_info != (
const DrawInfo *) NULL);
1765 if (draw_info->debug != MagickFalse)
1766 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-dash");
1767 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++) ;
1768 number_vertices=(size_t) i;
1769 dash_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
1770 (2UL*number_vertices+32UL),
sizeof(*dash_polygon));
1773 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1774 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
1775 return(MagickFalse);
1777 (void) memset(dash_polygon,0,(2UL*number_vertices+32UL)*
1778 sizeof(*dash_polygon));
1779 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
1780 clone_info->miterlimit=0;
1781 dash_polygon[0]=primitive_info[0];
1782 scale=ExpandAffine(&draw_info->affine);
1783 length=scale*draw_info->dash_pattern[0];
1784 offset=fabs(draw_info->dash_offset) >= MagickEpsilon ?
1785 scale*draw_info->dash_offset : 0.0;
1787 for (n=0; offset > 0.0; j=0)
1789 if (draw_info->dash_pattern[n] <= 0.0)
1791 length=scale*(draw_info->dash_pattern[n]+(n == 0 ? -0.5 : 0.5));
1792 if (offset > length)
1796 length=scale*draw_info->dash_pattern[n];
1799 if (offset < length)
1811 for (i=1; (i < (ssize_t) number_vertices) && (length >= 0.0); i++)
1813 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
1814 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
1815 maximum_length=hypot(dx,dy);
1816 if (maximum_length > (
double) (MaxBezierCoordinates >> 2))
1818 if (fabs(length) < MagickEpsilon)
1820 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1822 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1824 length=scale*draw_info->dash_pattern[n];
1826 for (total_length=0.0; (length >= 0.0) && (maximum_length >= (total_length+length)); )
1828 total_length+=length;
1829 if ((n & 0x01) != 0)
1831 dash_polygon[0]=primitive_info[0];
1832 dash_polygon[0].point.x=(double) (primitive_info[i-1].point.x+dx*
1833 total_length*PerceptibleReciprocal(maximum_length));
1834 dash_polygon[0].point.y=(double) (primitive_info[i-1].point.y+dy*
1835 total_length*PerceptibleReciprocal(maximum_length));
1840 if ((j+1) > (ssize_t) number_vertices)
1842 dash_polygon[j]=primitive_info[i-1];
1843 dash_polygon[j].point.x=(double) (primitive_info[i-1].point.x+dx*
1844 total_length*PerceptibleReciprocal(maximum_length));
1845 dash_polygon[j].point.y=(double) (primitive_info[i-1].point.y+dy*
1846 total_length*PerceptibleReciprocal(maximum_length));
1847 dash_polygon[j].coordinates=1;
1849 dash_polygon[0].coordinates=(size_t) j;
1850 dash_polygon[j].primitive=UndefinedPrimitive;
1851 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1852 if (status == MagickFalse)
1855 if (fabs(draw_info->dash_pattern[n]) >= MagickEpsilon)
1857 if (fabs(draw_info->dash_pattern[n]) < MagickEpsilon)
1859 length=scale*draw_info->dash_pattern[n];
1861 length-=(maximum_length-total_length);
1862 if ((n & 0x01) != 0)
1864 dash_polygon[j]=primitive_info[i];
1865 dash_polygon[j].coordinates=1;
1868 if ((status != MagickFalse) && (total_length < maximum_length) &&
1869 ((n & 0x01) == 0) && (j > 1))
1871 dash_polygon[j]=primitive_info[i-1];
1872 dash_polygon[j].point.x+=MagickEpsilon;
1873 dash_polygon[j].point.y+=MagickEpsilon;
1874 dash_polygon[j].coordinates=1;
1876 dash_polygon[0].coordinates=(size_t) j;
1877 dash_polygon[j].primitive=UndefinedPrimitive;
1878 status&=DrawStrokePolygon(image,clone_info,dash_polygon);
1880 dash_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(dash_polygon);
1881 clone_info=DestroyDrawInfo(clone_info);
1882 if (draw_info->debug != MagickFalse)
1883 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-dash");
1884 return(status != 0 ? MagickTrue : MagickFalse);
1913 static inline double GetStopColorOffset(
const GradientInfo *gradient,
1914 const ssize_t x,
const ssize_t y)
1916 switch (gradient->type)
1918 case UndefinedGradient:
1919 case LinearGradient:
1934 gradient_vector=(&gradient->gradient_vector);
1935 p.x=gradient_vector->x2-gradient_vector->x1;
1936 p.y=gradient_vector->y2-gradient_vector->y1;
1937 q.x=(double) x-gradient_vector->x1;
1938 q.y=(
double) y-gradient_vector->y1;
1939 length=sqrt(q.x*q.x+q.y*q.y);
1940 gamma=sqrt(p.x*p.x+p.y*p.y)*length;
1941 gamma=PerceptibleReciprocal(gamma);
1942 scale=p.x*q.x+p.y*q.y;
1943 offset=gamma*scale*length;
1946 case RadialGradient:
1951 if (gradient->spread == RepeatSpread)
1953 v.x=(double) x-gradient->center.x;
1954 v.y=(
double) y-gradient->center.y;
1955 return(sqrt(v.x*v.x+v.y*v.y));
1957 v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
1958 gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
1959 gradient->angle))))*PerceptibleReciprocal(gradient->radii.x);
1960 v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
1961 gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
1962 gradient->angle))))*PerceptibleReciprocal(gradient->radii.y);
1963 return(sqrt(v.x*v.x+v.y*v.y));
1969 MagickExport MagickBooleanType DrawGradientImage(
Image *image,
2005 assert(image != (
Image *) NULL);
2006 assert(image->signature == MagickCoreSignature);
2007 assert(draw_info != (
const DrawInfo *) NULL);
2008 if (IsEventLogging() != MagickFalse)
2009 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2010 gradient=(&draw_info->gradient);
2011 gradient_vector=(&gradient->gradient_vector);
2012 point.x=gradient_vector->x2-gradient_vector->x1;
2013 point.y=gradient_vector->y2-gradient_vector->y1;
2014 length=sqrt(point.x*point.x+point.y*point.y);
2015 bounding_box=gradient->bounding_box;
2017 exception=(&image->exception);
2018 GetMagickPixelPacket(image,&zero);
2019 image_view=AcquireAuthenticCacheView(image,exception);
2020 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2021 #pragma omp parallel for schedule(static) shared(status) \
2022 magick_number_threads(image,image,bounding_box.height-bounding_box.y,1)
2024 for (y=bounding_box.y; y < (ssize_t) bounding_box.height; y++)
2035 *magick_restrict indexes;
2047 if (status == MagickFalse)
2049 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2055 indexes=GetCacheViewAuthenticIndexQueue(image_view);
2058 offset=GetStopColorOffset(gradient,0,y);
2059 if (gradient->type != RadialGradient)
2060 offset*=PerceptibleReciprocal(length);
2061 for (x=bounding_box.x; x < (ssize_t) bounding_box.width; x++)
2063 SetMagickPixelPacket(image,q,indexes+x,&pixel);
2064 switch (gradient->spread)
2066 case UndefinedSpread:
2069 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2070 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2072 offset=GetStopColorOffset(gradient,x,y);
2073 if (gradient->type != RadialGradient)
2074 offset*=PerceptibleReciprocal(length);
2076 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2077 if (offset < gradient->stops[i].offset)
2079 if ((offset < 0.0) || (i == 0))
2080 composite=gradient->stops[0].color;
2082 if ((offset > 1.0) || (i == (ssize_t) gradient->number_stops))
2083 composite=gradient->stops[gradient->number_stops-1].color;
2088 alpha=(offset-gradient->stops[i].offset)/
2089 (gradient->stops[j].offset-gradient->stops[i].offset);
2090 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2091 &gradient->stops[j].color,alpha,&composite);
2097 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2098 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2100 offset=GetStopColorOffset(gradient,x,y);
2101 if (gradient->type != RadialGradient)
2102 offset*=PerceptibleReciprocal(length);
2106 if ((ssize_t) fmod(offset,2.0) == 0)
2107 offset=fmod(offset,1.0);
2109 offset=1.0-fmod(offset,1.0);
2110 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2111 if (offset < gradient->stops[i].offset)
2114 composite=gradient->stops[0].color;
2116 if (i == (ssize_t) gradient->number_stops)
2117 composite=gradient->stops[gradient->number_stops-1].color;
2122 alpha=(offset-gradient->stops[i].offset)/
2123 (gradient->stops[j].offset-gradient->stops[i].offset);
2124 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2125 &gradient->stops[j].color,alpha,&composite);
2137 antialias=MagickFalse;
2139 if ((x != CastDoubleToLong(ceil(gradient_vector->x1-0.5))) ||
2140 (y != CastDoubleToLong(ceil(gradient_vector->y1-0.5))))
2142 offset=GetStopColorOffset(gradient,x,y);
2143 if (gradient->type == LinearGradient)
2145 repeat=fmod(offset,length);
2147 repeat=length-fmod(-repeat,length);
2149 repeat=fmod(offset,length);
2150 antialias=(repeat < length) && ((repeat+1.0) > length) ?
2151 MagickTrue : MagickFalse;
2152 offset=PerceptibleReciprocal(length)*repeat;
2156 repeat=fmod(offset,(
double) gradient->radius);
2158 repeat=gradient->radius-fmod(-repeat,
2159 (
double) gradient->radius);
2161 repeat=fmod(offset,(
double) gradient->radius);
2162 antialias=repeat+1.0 > gradient->radius ? MagickTrue :
2164 offset=repeat*PerceptibleReciprocal(gradient->radius);
2167 for (i=0; i < (ssize_t) gradient->number_stops; i++)
2168 if (offset < gradient->stops[i].offset)
2171 composite=gradient->stops[0].color;
2173 if (i == (ssize_t) gradient->number_stops)
2174 composite=gradient->stops[gradient->number_stops-1].color;
2179 alpha=(offset-gradient->stops[i].offset)/
2180 (gradient->stops[j].offset-gradient->stops[i].offset);
2181 if (antialias != MagickFalse)
2183 if (gradient->type == LinearGradient)
2184 alpha=length-repeat;
2186 alpha=gradient->radius-repeat;
2188 j=(ssize_t) gradient->number_stops-1L;
2190 MagickPixelCompositeBlend(&gradient->stops[i].color,1.0-alpha,
2191 &gradient->stops[j].color,alpha,&composite);
2196 MagickPixelCompositeOver(&composite,composite.opacity,&pixel,
2197 pixel.opacity,&pixel);
2198 SetPixelPacket(image,&pixel,q,indexes+x);
2201 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2204 image_view=DestroyCacheView(image_view);
2237 static MagickBooleanType CheckPrimitiveExtent(
MVGInfo *mvg_info,
2241 *text = (
char *) NULL;
2255 quantum=
sizeof(**mvg_info->primitive_info);
2256 extent=(double) mvg_info->offset+pad+(PrimitiveExtentPad+1)*quantum;
2257 if (extent <= (
double) *mvg_info->extent)
2259 if ((extent >= (
double) MAGICK_SSIZE_MAX) || (IsNaN(extent) != 0))
2260 return(MagickFalse);
2261 for (i=0; i < mvg_info->offset; i++)
2262 if (((*mvg_info->primitive_info)[i].primitive == TextPrimitive) ||
2263 ((*mvg_info->primitive_info)[i].primitive == ImagePrimitive))
2264 if ((*mvg_info->primitive_info)[i].text != (
char *) NULL)
2265 text=(*mvg_info->primitive_info)[i].text;
2266 *mvg_info->primitive_info=(
PrimitiveInfo *) ResizeQuantumMemory(
2267 *mvg_info->primitive_info,(
size_t) (extent+1),quantum);
2270 *mvg_info->extent=(size_t) extent;
2271 for (i=mvg_info->offset+1; i <= (ssize_t) extent; i++)
2273 (*mvg_info->primitive_info)[i].primitive=UndefinedPrimitive;
2274 (*mvg_info->primitive_info)[i].text=(
char *) NULL;
2281 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
2282 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
2283 *mvg_info->primitive_info=(
PrimitiveInfo *) AcquireCriticalMemory((
size_t)
2284 (PrimitiveExtentPad+1)*quantum);
2285 (void) memset(*mvg_info->primitive_info,0,(
size_t) ((PrimitiveExtentPad+1)*
2287 *mvg_info->extent=1;
2288 (*mvg_info->primitive_info)[0].text=text;
2290 return(MagickFalse);
2293 static inline double GetDrawValue(
const char *magick_restrict
string,
2294 char **magick_restrict sentinal)
2297 **magick_restrict q;
2303 value=InterpretLocaleValue(
string,q);
2308 static int MVGMacroCompare(
const void *target,
const void *source)
2314 p=(
const char *) target;
2315 q=(
const char *) source;
2316 return(strcmp(p,q));
2337 if (primitive == (
const char *) NULL)
2339 macros=NewSplayTree(MVGMacroCompare,RelinquishMagickMemory,
2340 RelinquishMagickMemory);
2341 macro=AcquireString(primitive);
2342 token=AcquireString(primitive);
2343 extent=strlen(token)+MagickPathExtent;
2344 for (q=primitive; *q !=
'\0'; )
2346 if (GetNextToken(q,&q,extent,token) < 1)
2350 if (LocaleCompare(
"push",token) == 0)
2356 (void) GetNextToken(q,&q,extent,token);
2360 name[MagickPathExtent];
2371 (void) GetNextToken(q,&q,extent,token);
2374 (void) CopyMagickString(name,token,MagickPathExtent);
2376 for (p=q; *p !=
'\0'; )
2378 if (GetNextToken(p,&p,extent,token) < 1)
2382 if (LocaleCompare(token,
"pop") == 0)
2384 end=p-strlen(token)-1;
2387 if (LocaleCompare(token,
"push") == 0)
2389 if ((n == 0) && (end > start))
2394 (void) GetNextToken(p,&p,extent,token);
2395 (void) CopyMagickString(macro,start,(
size_t) (end-start));
2396 (void) AddValueToSplayTree(macros,ConstantString(name),
2397 ConstantString(macro));
2404 token=DestroyString(token);
2405 macro=DestroyString(macro);
2409 static inline MagickBooleanType IsPoint(
const char *point)
2417 value=GetDrawValue(point,&p);
2418 return((fabs(value) < MagickEpsilon) && (p == point) ? MagickFalse :
2422 static inline MagickBooleanType TracePoint(
PrimitiveInfo *primitive_info,
2425 primitive_info->coordinates=1;
2426 primitive_info->closed_subpath=MagickFalse;
2427 primitive_info->point=point;
2431 static MagickBooleanType RenderMVGContent(
Image *image,
2432 const DrawInfo *draw_info,
const size_t depth)
2434 #define RenderImageTag "Render/Image"
2441 key[2*MaxTextExtent],
2442 keyword[MaxTextExtent],
2443 geometry[MaxTextExtent],
2444 name[MaxTextExtent],
2446 pattern[MaxTextExtent],
2512 assert(image != (
Image *) NULL);
2513 assert(image->signature == MagickCoreSignature);
2514 assert(draw_info != (
DrawInfo *) NULL);
2515 assert(draw_info->signature == MagickCoreSignature);
2516 if (IsEventLogging() != MagickFalse)
2517 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
2518 if (depth > MagickMaxRecursionDepth)
2519 ThrowBinaryImageException(DrawError,
"VectorGraphicsNestedTooDeeply",
2521 if ((draw_info->primitive == (
char *) NULL) ||
2522 (*draw_info->primitive ==
'\0'))
2523 return(MagickFalse);
2524 if (draw_info->debug != MagickFalse)
2525 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"begin draw-image");
2526 if (SetImageStorageClass(image,DirectClass) == MagickFalse)
2527 return(MagickFalse);
2528 if (image->matte == MagickFalse)
2530 status=SetImageAlphaChannel(image,OpaqueAlphaChannel);
2531 if (status == MagickFalse)
2532 return(MagickFalse);
2534 primitive=(
char *) NULL;
2535 if ((*draw_info->primitive ==
'@') && (strlen(draw_info->primitive) > 1) &&
2536 (*(draw_info->primitive+1) !=
'-') && (depth == 0))
2537 primitive=FileToString(draw_info->primitive+1,~0UL,&image->exception);
2539 primitive=AcquireString(draw_info->primitive);
2540 if (primitive == (
char *) NULL)
2541 return(MagickFalse);
2542 primitive_extent=(double) strlen(primitive);
2543 (void) SetImageArtifact(image,
"mvg:vector-graphics",primitive);
2548 graphic_context=(
DrawInfo **) AcquireMagickMemory(
sizeof(*graphic_context));
2549 if (graphic_context == (
DrawInfo **) NULL)
2551 primitive=DestroyString(primitive);
2552 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2555 number_points=(size_t) PrimitiveExtentPad;
2556 primitive_info=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
2557 (number_points+1),
sizeof(*primitive_info));
2560 primitive=DestroyString(primitive);
2561 for ( ; n >= 0; n--)
2562 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
2563 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
2564 ThrowBinaryImageException(ResourceLimitError,
"MemoryAllocationFailed",
2567 (void) memset(primitive_info,0,(
size_t) (number_points+1)*
2568 sizeof(*primitive_info));
2569 (void) memset(&mvg_info,0,
sizeof(mvg_info));
2570 mvg_info.primitive_info=(&primitive_info);
2571 mvg_info.extent=(&number_points);
2572 mvg_info.exception=(&image->exception);
2573 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
2574 graphic_context[n]->viewbox=image->page;
2575 if ((image->page.width == 0) || (image->page.height == 0))
2577 graphic_context[n]->viewbox.width=image->columns;
2578 graphic_context[n]->viewbox.height=image->rows;
2580 token=AcquireString(primitive);
2581 extent=strlen(token)+MaxTextExtent;
2585 macros=GetMVGMacros(primitive);
2586 status=QueryColorDatabase(
"#000000",&start_color,&image->exception);
2587 for (q=primitive; *q !=
'\0'; )
2592 if (GetNextToken(q,&q,MaxTextExtent,keyword) < 1)
2594 if (*keyword ==
'\0')
2596 if (*keyword ==
'#')
2601 while ((*q !=
'\n') && (*q !=
'\0'))
2605 p=q-strlen(keyword)-1;
2606 primitive_type=UndefinedPrimitive;
2607 current=graphic_context[n]->affine;
2608 GetAffineMatrix(&affine);
2617 if (LocaleCompare(
"affine",keyword) == 0)
2619 (void) GetNextToken(q,&q,extent,token);
2620 affine.sx=GetDrawValue(token,&next_token);
2621 if (token == next_token)
2622 ThrowPointExpectedException(image,token);
2623 (void) GetNextToken(q,&q,extent,token);
2625 (void) GetNextToken(q,&q,extent,token);
2626 affine.rx=GetDrawValue(token,&next_token);
2627 if (token == next_token)
2628 ThrowPointExpectedException(image,token);
2629 (void) GetNextToken(q,&q,extent,token);
2631 (void) GetNextToken(q,&q,extent,token);
2632 affine.ry=GetDrawValue(token,&next_token);
2633 if (token == next_token)
2634 ThrowPointExpectedException(image,token);
2635 (void) GetNextToken(q,&q,extent,token);
2637 (void) GetNextToken(q,&q,extent,token);
2638 affine.sy=GetDrawValue(token,&next_token);
2639 if (token == next_token)
2640 ThrowPointExpectedException(image,token);
2641 (void) GetNextToken(q,&q,extent,token);
2643 (void) GetNextToken(q,&q,extent,token);
2644 affine.tx=GetDrawValue(token,&next_token);
2645 if (token == next_token)
2646 ThrowPointExpectedException(image,token);
2647 (void) GetNextToken(q,&q,extent,token);
2649 (void) GetNextToken(q,&q,extent,token);
2650 affine.ty=GetDrawValue(token,&next_token);
2651 if (token == next_token)
2652 ThrowPointExpectedException(image,token);
2655 if (LocaleCompare(
"arc",keyword) == 0)
2657 primitive_type=ArcPrimitive;
2666 if (LocaleCompare(
"bezier",keyword) == 0)
2668 primitive_type=BezierPrimitive;
2671 if (LocaleCompare(
"border-color",keyword) == 0)
2673 (void) GetNextToken(q,&q,extent,token);
2674 status&=QueryColorDatabase(token,&graphic_context[n]->border_color,
2684 if (LocaleCompare(
"class",keyword) == 0)
2689 (void) GetNextToken(q,&q,extent,token);
2695 if (LocaleCompare(token,graphic_context[n]->
id) == 0)
2697 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2698 if ((graphic_context[n]->render != MagickFalse) &&
2699 (mvg_class != (
const char *) NULL) && (p > primitive))
2710 offset=(ssize_t) (p-primitive);
2711 elements=AcquireString(primitive);
2712 elements[offset]=
'\0';
2713 (void) ConcatenateString(&elements,mvg_class);
2714 (void) ConcatenateString(&elements,
"\n");
2715 (void) ConcatenateString(&elements,q);
2716 primitive=DestroyString(primitive);
2722 if (LocaleCompare(
"clip-path",keyword) == 0)
2730 (void) GetNextToken(q,&q,extent,token);
2736 (void) CloneString(&graphic_context[n]->clip_mask,token);
2737 clip_path=(
const char *) GetValueFromSplayTree(macros,token);
2738 if (clip_path != (
const char *) NULL)
2740 if (graphic_context[n]->clipping_mask != (
Image *) NULL)
2741 graphic_context[n]->clipping_mask=
2742 DestroyImage(graphic_context[n]->clipping_mask);
2743 graphic_context[n]->clipping_mask=DrawClippingMask(image,
2744 graphic_context[n],token,clip_path,&image->exception);
2745 if (graphic_context[n]->compliance != SVGCompliance)
2750 clip_path=(
const char *) GetValueFromSplayTree(macros,
2751 graphic_context[n]->clip_mask);
2752 if (clip_path != (
const char *) NULL)
2753 (
void) SetImageArtifact(image,
2754 graphic_context[n]->clip_mask,clip_path);
2755 status&=DrawClipPath(image,graphic_context[n],
2756 graphic_context[n]->clip_mask);
2761 if (LocaleCompare(
"clip-rule",keyword) == 0)
2766 (void) GetNextToken(q,&q,extent,token);
2767 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2769 if (fill_rule == -1)
2774 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2777 if (LocaleCompare(
"clip-units",keyword) == 0)
2782 (void) GetNextToken(q,&q,extent,token);
2783 clip_units=ParseCommandOption(MagickClipPathOptions,MagickFalse,
2785 if (clip_units == -1)
2790 graphic_context[n]->clip_units=(ClipPathUnits) clip_units;
2791 if (clip_units == ObjectBoundingBox)
2793 GetAffineMatrix(¤t);
2794 affine.sx=draw_info->bounds.x2;
2795 affine.sy=draw_info->bounds.y2;
2796 affine.tx=draw_info->bounds.x1;
2797 affine.ty=draw_info->bounds.y1;
2802 if (LocaleCompare(
"circle",keyword) == 0)
2804 primitive_type=CirclePrimitive;
2807 if (LocaleCompare(
"color",keyword) == 0)
2809 primitive_type=ColorPrimitive;
2812 if (LocaleCompare(
"compliance",keyword) == 0)
2818 (void) GetNextToken(q,&q,extent,token);
2819 graphic_context[n]->compliance=(ComplianceType) ParseCommandOption(
2820 MagickComplianceOptions,MagickFalse,token);
2823 if (LocaleCompare(
"currentColor",keyword) == 0)
2825 (void) GetNextToken(q,&q,extent,token);
2834 if (LocaleCompare(
"decorate",keyword) == 0)
2839 (void) GetNextToken(q,&q,extent,token);
2840 decorate=ParseCommandOption(MagickDecorateOptions,MagickFalse,
2847 graphic_context[n]->decorate=(DecorationType) decorate;
2850 if (LocaleCompare(
"density",keyword) == 0)
2852 (void) GetNextToken(q,&q,extent,token);
2853 (void) CloneString(&graphic_context[n]->density,token);
2856 if (LocaleCompare(
"direction",keyword) == 0)
2861 (void) GetNextToken(q,&q,extent,token);
2862 direction=ParseCommandOption(MagickDirectionOptions,MagickFalse,
2864 if (direction == -1)
2867 graphic_context[n]->direction=(DirectionType) direction;
2876 if (LocaleCompare(
"ellipse",keyword) == 0)
2878 primitive_type=EllipsePrimitive;
2881 if (LocaleCompare(
"encoding",keyword) == 0)
2883 (void) GetNextToken(q,&q,extent,token);
2884 (void) CloneString(&graphic_context[n]->encoding,token);
2893 if (LocaleCompare(
"fill",keyword) == 0)
2898 (void) GetNextToken(q,&q,extent,token);
2899 if (graphic_context[n]->clip_path != MagickFalse)
2901 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
2902 if (mvg_class != (
const char *) NULL)
2904 (void) DrawPatternPath(image,draw_info,mvg_class,
2905 &graphic_context[n]->fill_pattern);
2908 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
2909 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
2911 (void) DrawPatternPath(image,draw_info,token,
2912 &graphic_context[n]->fill_pattern);
2915 status&=QueryColorDatabase(token,&graphic_context[n]->fill,
2917 if (graphic_context[n]->fill_opacity != OpaqueOpacity)
2918 graphic_context[n]->fill.opacity=ClampToQuantum(
2919 graphic_context[n]->fill_opacity);
2922 if (LocaleCompare(
"fill-opacity",keyword) == 0)
2927 (void) GetNextToken(q,&q,extent,token);
2928 if (graphic_context[n]->clip_path != MagickFalse)
2930 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
2931 opacity=MagickMin(MagickMax(factor*
2932 GetDrawValue(token,&next_token),0.0),1.0);
2933 if (token == next_token)
2934 ThrowPointExpectedException(image,token);
2935 if (graphic_context[n]->compliance == SVGCompliance)
2936 graphic_context[n]->fill_opacity*=(1.0-opacity);
2938 graphic_context[n]->fill_opacity=(QuantumRange-
2939 graphic_context[n]->fill_opacity)*(1.0-opacity);
2940 if (graphic_context[n]->fill.opacity != TransparentOpacity)
2941 graphic_context[n]->fill.opacity=(Quantum)
2942 graphic_context[n]->fill_opacity;
2944 graphic_context[n]->fill.opacity=ClampToQuantum(QuantumRange*
2948 if (LocaleCompare(
"fill-rule",keyword) == 0)
2953 (void) GetNextToken(q,&q,extent,token);
2954 fill_rule=ParseCommandOption(MagickFillRuleOptions,MagickFalse,
2956 if (fill_rule == -1)
2961 graphic_context[n]->fill_rule=(FillRule) fill_rule;
2964 if (LocaleCompare(
"font",keyword) == 0)
2966 (void) GetNextToken(q,&q,extent,token);
2967 (void) CloneString(&graphic_context[n]->font,token);
2968 if (LocaleCompare(
"none",token) == 0)
2969 graphic_context[n]->font=(
char *) RelinquishMagickMemory(
2970 graphic_context[n]->font);
2973 if (LocaleCompare(
"font-family",keyword) == 0)
2975 (void) GetNextToken(q,&q,extent,token);
2976 (void) CloneString(&graphic_context[n]->family,token);
2979 if (LocaleCompare(
"font-size",keyword) == 0)
2981 (void) GetNextToken(q,&q,extent,token);
2982 graphic_context[n]->pointsize=GetDrawValue(token,&next_token);
2983 if (token == next_token)
2984 ThrowPointExpectedException(image,token);
2987 if (LocaleCompare(
"font-stretch",keyword) == 0)
2992 (void) GetNextToken(q,&q,extent,token);
2993 stretch=ParseCommandOption(MagickStretchOptions,MagickFalse,token);
2999 graphic_context[n]->stretch=(StretchType) stretch;
3002 if (LocaleCompare(
"font-style",keyword) == 0)
3007 (void) GetNextToken(q,&q,extent,token);
3008 style=ParseCommandOption(MagickStyleOptions,MagickFalse,token);
3014 graphic_context[n]->style=(StyleType) style;
3017 if (LocaleCompare(
"font-weight",keyword) == 0)
3022 (void) GetNextToken(q,&q,extent,token);
3023 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,token);
3025 weight=(ssize_t) StringToUnsignedLong(token);
3026 graphic_context[n]->weight=(size_t) weight;
3035 if (LocaleCompare(
"gradient-units",keyword) == 0)
3037 (void) GetNextToken(q,&q,extent,token);
3040 if (LocaleCompare(
"gravity",keyword) == 0)
3045 (void) GetNextToken(q,&q,extent,token);
3046 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,token);
3052 graphic_context[n]->gravity=(GravityType) gravity;
3061 if (LocaleCompare(
"image",keyword) == 0)
3066 primitive_type=ImagePrimitive;
3067 (void) GetNextToken(q,&q,extent,token);
3068 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,token);
3074 graphic_context[n]->compose=(CompositeOperator) compose;
3077 if (LocaleCompare(
"interline-spacing",keyword) == 0)
3079 (void) GetNextToken(q,&q,extent,token);
3080 graphic_context[n]->interline_spacing=GetDrawValue(token,
3082 if (token == next_token)
3083 ThrowPointExpectedException(image,token);
3086 if (LocaleCompare(
"interword-spacing",keyword) == 0)
3088 (void) GetNextToken(q,&q,extent,token);
3089 graphic_context[n]->interword_spacing=GetDrawValue(token,
3091 if (token == next_token)
3092 ThrowPointExpectedException(image,token);
3101 if (LocaleCompare(
"kerning",keyword) == 0)
3103 (void) GetNextToken(q,&q,extent,token);
3104 graphic_context[n]->kerning=GetDrawValue(token,&next_token);
3105 if (token == next_token)
3106 ThrowPointExpectedException(image,token);
3115 if (LocaleCompare(
"letter-spacing",keyword) == 0)
3117 (void) GetNextToken(q,&q,extent,token);
3118 if (IsPoint(token) == MagickFalse)
3120 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3121 clone_info->text=AcquireString(
" ");
3122 status&=GetTypeMetrics(image,clone_info,&metrics);
3123 graphic_context[n]->kerning=metrics.width*
3124 GetDrawValue(token,&next_token);
3125 clone_info=DestroyDrawInfo(clone_info);
3126 if (token == next_token)
3127 ThrowPointExpectedException(image,token);
3130 if (LocaleCompare(
"line",keyword) == 0)
3132 primitive_type=LinePrimitive;
3141 if (LocaleCompare(
"mask",keyword) == 0)
3149 (void) GetNextToken(q,&q,extent,token);
3150 mask_path=(
const char *) GetValueFromSplayTree(macros,token);
3151 if (mask_path != (
const char *) NULL)
3153 if (graphic_context[n]->composite_mask != (
Image *) NULL)
3154 graphic_context[n]->composite_mask=
3155 DestroyImage(graphic_context[n]->composite_mask);
3156 graphic_context[n]->composite_mask=DrawCompositeMask(image,
3157 graphic_context[n],token,mask_path,&image->exception);
3158 if (graphic_context[n]->compliance != SVGCompliance)
3159 status=SetImageMask(image,graphic_context[n]->composite_mask);
3163 if (LocaleCompare(
"matte",keyword) == 0)
3165 primitive_type=MattePrimitive;
3174 if (LocaleCompare(
"offset",keyword) == 0)
3176 (void) GetNextToken(q,&q,extent,token);
3179 if (LocaleCompare(
"opacity",keyword) == 0)
3184 (void) GetNextToken(q,&q,extent,token);
3185 if (graphic_context[n]->clip_path != MagickFalse)
3187 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3188 opacity=MagickMin(MagickMax(factor*
3189 GetDrawValue(token,&next_token),0.0),1.0);
3190 if (token == next_token)
3191 ThrowPointExpectedException(image,token);
3192 if (graphic_context[n]->compliance == SVGCompliance)
3194 graphic_context[n]->fill_opacity*=(1.0-opacity);
3195 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3199 graphic_context[n]->fill_opacity=(QuantumRange-
3200 graphic_context[n]->fill_opacity)*(1.0-opacity);
3201 graphic_context[n]->stroke_opacity=(QuantumRange-
3202 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3212 if (LocaleCompare(
"path",keyword) == 0)
3214 primitive_type=PathPrimitive;
3217 if (LocaleCompare(
"point",keyword) == 0)
3219 primitive_type=PointPrimitive;
3222 if (LocaleCompare(
"polyline",keyword) == 0)
3224 primitive_type=PolylinePrimitive;
3227 if (LocaleCompare(
"polygon",keyword) == 0)
3229 primitive_type=PolygonPrimitive;
3232 if (LocaleCompare(
"pop",keyword) == 0)
3234 if (GetNextToken(q,&q,extent,token) < 1)
3236 if (LocaleCompare(
"class",token) == 0)
3238 if (LocaleCompare(
"clip-path",token) == 0)
3240 if (LocaleCompare(
"defs",token) == 0)
3243 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3247 if (LocaleCompare(
"gradient",token) == 0)
3249 if (LocaleCompare(
"graphic-context",token) == 0)
3253 (void) ThrowMagickException(&image->exception,
3254 GetMagickModule(),DrawError,
3255 "UnbalancedGraphicContextPushPop",
"`%s'",token);
3260 if ((graphic_context[n]->clip_mask != (
char *) NULL) &&
3261 (graphic_context[n]->compliance != SVGCompliance))
3262 if (LocaleCompare(graphic_context[n]->clip_mask,
3263 graphic_context[n-1]->clip_mask) != 0)
3264 status=SetImageClipMask(image,(
Image *) NULL);
3265 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
3269 if (LocaleCompare(
"mask",token) == 0)
3271 if (LocaleCompare(
"pattern",token) == 0)
3273 if (LocaleCompare(
"symbol",token) == 0)
3276 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3283 if (LocaleCompare(
"push",keyword) == 0)
3285 if (GetNextToken(q,&q,extent,token) < 1)
3287 if (LocaleCompare(
"class",token) == 0)
3292 for (p=q; *q !=
'\0'; )
3294 if (GetNextToken(q,&q,extent,token) < 1)
3296 if (LocaleCompare(token,
"pop") != 0)
3298 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3299 if (LocaleCompare(token,
"class") != 0)
3303 (void) GetNextToken(q,&q,extent,token);
3306 if (LocaleCompare(
"clip-path",token) == 0)
3308 (void) GetNextToken(q,&q,extent,token);
3309 for (p=q; *q !=
'\0'; )
3311 if (GetNextToken(q,&q,extent,token) < 1)
3313 if (LocaleCompare(token,
"pop") != 0)
3315 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3316 if (LocaleCompare(token,
"clip-path") != 0)
3320 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3325 (void) GetNextToken(q,&q,extent,token);
3328 if (LocaleCompare(
"defs",token) == 0)
3331 graphic_context[n]->render=defsDepth > 0 ? MagickFalse :
3335 if (LocaleCompare(
"gradient",token) == 0)
3338 key[2*MaxTextExtent],
3339 name[MaxTextExtent],
3340 type[MaxTextExtent];
3345 (void) GetNextToken(q,&q,extent,token);
3346 (void) CopyMagickString(name,token,MaxTextExtent);
3347 (void) GetNextToken(q,&q,extent,token);
3348 (void) CopyMagickString(type,token,MaxTextExtent);
3349 (void) GetNextToken(q,&q,extent,token);
3350 segment.x1=GetDrawValue(token,&next_token);
3351 if (token == next_token)
3352 ThrowPointExpectedException(image,token);
3353 (void) GetNextToken(q,&q,extent,token);
3355 (void) GetNextToken(q,&q,extent,token);
3356 segment.y1=GetDrawValue(token,&next_token);
3357 if (token == next_token)
3358 ThrowPointExpectedException(image,token);
3359 (void) GetNextToken(q,&q,extent,token);
3361 (void) GetNextToken(q,&q,extent,token);
3362 segment.x2=GetDrawValue(token,&next_token);
3363 if (token == next_token)
3364 ThrowPointExpectedException(image,token);
3365 (void) GetNextToken(q,&q,extent,token);
3367 (void) GetNextToken(q,&q,extent,token);
3368 segment.y2=GetDrawValue(token,&next_token);
3369 if (token == next_token)
3370 ThrowPointExpectedException(image,token);
3371 if (LocaleCompare(type,
"radial") == 0)
3373 (void) GetNextToken(q,&q,extent,token);
3375 (void) GetNextToken(q,&q,extent,token);
3377 for (p=q; *q !=
'\0'; )
3379 if (GetNextToken(q,&q,extent,token) < 1)
3381 if (LocaleCompare(token,
"pop") != 0)
3383 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3384 if (LocaleCompare(token,
"gradient") != 0)
3388 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3393 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3394 bounds.x1=graphic_context[n]->affine.sx*segment.x1+
3395 graphic_context[n]->affine.ry*segment.y1+
3396 graphic_context[n]->affine.tx;
3397 bounds.y1=graphic_context[n]->affine.rx*segment.x1+
3398 graphic_context[n]->affine.sy*segment.y1+
3399 graphic_context[n]->affine.ty;
3400 bounds.x2=graphic_context[n]->affine.sx*segment.x2+
3401 graphic_context[n]->affine.ry*segment.y2+
3402 graphic_context[n]->affine.tx;
3403 bounds.y2=graphic_context[n]->affine.rx*segment.x2+
3404 graphic_context[n]->affine.sy*segment.y2+
3405 graphic_context[n]->affine.ty;
3406 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3407 (void) SetImageArtifact(image,key,token);
3408 (void) FormatLocaleString(key,MaxTextExtent,
"%s-type",name);
3409 (void) SetImageArtifact(image,key,type);
3410 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3411 (void) FormatLocaleString(geometry,MaxTextExtent,
3412 "%gx%g%+.15g%+.15g",
3413 MagickMax(fabs(bounds.x2-bounds.x1+1.0),1.0),
3414 MagickMax(fabs(bounds.y2-bounds.y1+1.0),1.0),
3415 bounds.x1,bounds.y1);
3416 (void) SetImageArtifact(image,key,geometry);
3417 (void) GetNextToken(q,&q,extent,token);
3420 if (LocaleCompare(
"graphic-context",token) == 0)
3423 graphic_context=(
DrawInfo **) ResizeQuantumMemory(
3424 graphic_context,(
size_t) (n+1),
sizeof(*graphic_context));
3425 if (graphic_context == (
DrawInfo **) NULL)
3427 (void) ThrowMagickException(&image->exception,
3428 GetMagickModule(),ResourceLimitError,
3429 "MemoryAllocationFailed",
"`%s'",image->filename);
3432 graphic_context[n]=CloneDrawInfo((
ImageInfo *) NULL,
3433 graphic_context[n-1]);
3436 (void) GetNextToken(q,&q,extent,token);
3437 (void) CloneString(&graphic_context[n]->
id,token);
3441 if (LocaleCompare(
"mask",token) == 0)
3443 (void) GetNextToken(q,&q,extent,token);
3446 if (LocaleCompare(
"pattern",token) == 0)
3451 (void) GetNextToken(q,&q,extent,token);
3452 (void) CopyMagickString(name,token,MaxTextExtent);
3453 (void) GetNextToken(q,&q,extent,token);
3454 bounds.x=CastDoubleToLong(ceil(GetDrawValue(token,
3456 if (token == next_token)
3457 ThrowPointExpectedException(image,token);
3458 (void) GetNextToken(q,&q,extent,token);
3460 (void) GetNextToken(q,&q,extent,token);
3461 bounds.y=CastDoubleToLong(ceil(GetDrawValue(token,
3463 if (token == next_token)
3464 ThrowPointExpectedException(image,token);
3465 (void) GetNextToken(q,&q,extent,token);
3467 (void) GetNextToken(q,&q,extent,token);
3468 bounds.width=(size_t) floor(GetDrawValue(token,&next_token)+
3470 if (token == next_token)
3471 ThrowPointExpectedException(image,token);
3472 (void) GetNextToken(q,&q,extent,token);
3474 (void) GetNextToken(q,&q,extent,token);
3475 bounds.height=(size_t) floor(GetDrawValue(token,&next_token)+
3477 if (token == next_token)
3478 ThrowPointExpectedException(image,token);
3479 for (p=q; *q !=
'\0'; )
3481 if (GetNextToken(q,&q,extent,token) < 1)
3483 if (LocaleCompare(token,
"pop") != 0)
3485 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3486 if (LocaleCompare(token,
"pattern") != 0)
3490 if ((q == (
char *) NULL) || (p == (
char *) NULL) || ((q-4) < p))
3495 (void) CopyMagickString(token,p,(
size_t) (q-p-4+1));
3496 (void) FormatLocaleString(key,MaxTextExtent,
"%s",name);
3497 (void) SetImageArtifact(image,key,token);
3498 (void) FormatLocaleString(key,MaxTextExtent,
"%s-geometry",name);
3499 (void) FormatLocaleString(geometry,MaxTextExtent,
3500 "%.20gx%.20g%+.20g%+.20g",(
double) bounds.width,(double)
3501 bounds.height,(
double) bounds.x,(double) bounds.y);
3502 (void) SetImageArtifact(image,key,geometry);
3503 (void) GetNextToken(q,&q,extent,token);
3506 if (LocaleCompare(
"symbol",token) == 0)
3509 graphic_context[n]->render=symbolDepth > 0 ? MagickFalse :
3522 if (LocaleCompare(
"rectangle",keyword) == 0)
3524 primitive_type=RectanglePrimitive;
3527 if (LocaleCompare(
"rotate",keyword) == 0)
3529 (void) GetNextToken(q,&q,extent,token);
3530 angle=GetDrawValue(token,&next_token);
3531 if (token == next_token)
3532 ThrowPointExpectedException(image,token);
3533 affine.sx=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3534 affine.rx=sin(DegreesToRadians(fmod((
double) angle,360.0)));
3535 affine.ry=(-sin(DegreesToRadians(fmod((
double) angle,360.0))));
3536 affine.sy=cos(DegreesToRadians(fmod((
double) angle,360.0)));
3539 if (LocaleCompare(
"roundRectangle",keyword) == 0)
3541 primitive_type=RoundRectanglePrimitive;
3550 if (LocaleCompare(
"scale",keyword) == 0)
3552 (void) GetNextToken(q,&q,extent,token);
3553 affine.sx=GetDrawValue(token,&next_token);
3554 if (token == next_token)
3555 ThrowPointExpectedException(image,token);
3556 (void) GetNextToken(q,&q,extent,token);
3558 (void) GetNextToken(q,&q,extent,token);
3559 affine.sy=GetDrawValue(token,&next_token);
3560 if (token == next_token)
3561 ThrowPointExpectedException(image,token);
3564 if (LocaleCompare(
"skewX",keyword) == 0)
3566 (void) GetNextToken(q,&q,extent,token);
3567 angle=GetDrawValue(token,&next_token);
3568 if (token == next_token)
3569 ThrowPointExpectedException(image,token);
3570 affine.ry=sin(DegreesToRadians(angle));
3573 if (LocaleCompare(
"skewY",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.rx=(-tan(DegreesToRadians(angle)/2.0));
3582 if (LocaleCompare(
"stop-color",keyword) == 0)
3590 (void) GetNextToken(q,&q,extent,token);
3591 status&=QueryColorDatabase(token,&stop_color,&image->exception);
3592 type=LinearGradient;
3593 if (draw_info->gradient.type == RadialGradient)
3594 type=RadialGradient;
3595 (void) GradientImage(image,type,PadSpread,&start_color,&stop_color);
3596 start_color=stop_color;
3597 (void) GetNextToken(q,&q,extent,token);
3600 if (LocaleCompare(
"stroke",keyword) == 0)
3605 (void) GetNextToken(q,&q,extent,token);
3606 if (graphic_context[n]->clip_path != MagickFalse)
3608 mvg_class=(
const char *) GetValueFromSplayTree(macros,token);
3609 if (mvg_class != (
const char *) NULL)
3611 (void) DrawPatternPath(image,draw_info,mvg_class,
3612 &graphic_context[n]->stroke_pattern);
3615 (void) FormatLocaleString(pattern,MaxTextExtent,
"%s",token);
3616 if (GetImageArtifact(image,pattern) != (
const char *) NULL)
3618 (void) DrawPatternPath(image,draw_info,token,
3619 &graphic_context[n]->stroke_pattern);
3622 status&=QueryColorDatabase(token,&graphic_context[n]->stroke,
3624 if (graphic_context[n]->stroke_opacity != OpaqueOpacity)
3625 graphic_context[n]->stroke.opacity=ClampToQuantum(
3626 graphic_context[n]->stroke_opacity);
3629 if (LocaleCompare(
"stroke-antialias",keyword) == 0)
3631 (void) GetNextToken(q,&q,extent,token);
3632 graphic_context[n]->stroke_antialias=StringToLong(token) != 0 ?
3633 MagickTrue : MagickFalse;
3636 if (LocaleCompare(
"stroke-dasharray",keyword) == 0)
3638 if (graphic_context[n]->dash_pattern != (
double *) NULL)
3639 graphic_context[n]->dash_pattern=(
double *)
3640 RelinquishMagickMemory(graphic_context[n]->dash_pattern);
3641 if (IsPoint(q) != MagickFalse)
3647 (void) GetNextToken(p,&p,extent,token);
3649 (void) GetNextToken(p,&p,extent,token);
3650 for (x=0; IsPoint(token) != MagickFalse; x++)
3652 (void) GetNextToken(p,&p,extent,token);
3654 (void) GetNextToken(p,&p,extent,token);
3656 graphic_context[n]->dash_pattern=(
double *)
3657 AcquireQuantumMemory((
size_t) (2*x+2),
3658 sizeof(*graphic_context[n]->dash_pattern));
3659 if (graphic_context[n]->dash_pattern == (
double *) NULL)
3661 (void) ThrowMagickException(&image->exception,
3662 GetMagickModule(),ResourceLimitError,
3663 "MemoryAllocationFailed",
"`%s'",image->filename);
3667 (void) memset(graphic_context[n]->dash_pattern,0,(
size_t)
3668 (2*x+2)*
sizeof(*graphic_context[n]->dash_pattern));
3669 for (j=0; j < x; j++)
3671 (void) GetNextToken(q,&q,extent,token);
3673 (void) GetNextToken(q,&q,extent,token);
3674 graphic_context[n]->dash_pattern[j]=GetDrawValue(token,
3676 if (token == next_token)
3677 ThrowPointExpectedException(image,token);
3678 if (graphic_context[n]->dash_pattern[j] < 0.0)
3681 if ((x & 0x01) != 0)
3682 for ( ; j < (2*x); j++)
3683 graphic_context[n]->dash_pattern[j]=
3684 graphic_context[n]->dash_pattern[j-x];
3685 graphic_context[n]->dash_pattern[j]=0.0;
3688 (void) GetNextToken(q,&q,extent,token);
3691 if (LocaleCompare(
"stroke-dashoffset",keyword) == 0)
3693 (void) GetNextToken(q,&q,extent,token);
3694 graphic_context[n]->dash_offset=GetDrawValue(token,&next_token);
3695 if (token == next_token)
3696 ThrowPointExpectedException(image,token);
3699 if (LocaleCompare(
"stroke-linecap",keyword) == 0)
3704 (void) GetNextToken(q,&q,extent,token);
3705 linecap=ParseCommandOption(MagickLineCapOptions,MagickFalse,token);
3711 graphic_context[n]->linecap=(LineCap) linecap;
3714 if (LocaleCompare(
"stroke-linejoin",keyword) == 0)
3719 (void) GetNextToken(q,&q,extent,token);
3720 linejoin=ParseCommandOption(MagickLineJoinOptions,MagickFalse,
3727 graphic_context[n]->linejoin=(LineJoin) linejoin;
3730 if (LocaleCompare(
"stroke-miterlimit",keyword) == 0)
3732 (void) GetNextToken(q,&q,extent,token);
3733 graphic_context[n]->miterlimit=StringToUnsignedLong(token);
3736 if (LocaleCompare(
"stroke-opacity",keyword) == 0)
3741 (void) GetNextToken(q,&q,extent,token);
3742 if (graphic_context[n]->clip_path != MagickFalse)
3744 factor=strchr(token,
'%') != (
char *) NULL ? 0.01 : 1.0;
3745 opacity=MagickMin(MagickMax(factor*
3746 GetDrawValue(token,&next_token),0.0),1.0);
3747 if (token == next_token)
3748 ThrowPointExpectedException(image,token);
3749 if (graphic_context[n]->compliance == SVGCompliance)
3750 graphic_context[n]->stroke_opacity*=(1.0-opacity);
3752 graphic_context[n]->stroke_opacity=(QuantumRange-
3753 graphic_context[n]->stroke_opacity)*(1.0-opacity);
3754 if (graphic_context[n]->stroke.opacity != TransparentOpacity)
3755 graphic_context[n]->stroke.opacity=(Quantum)
3756 graphic_context[n]->stroke_opacity;
3758 graphic_context[n]->stroke.opacity=ClampToQuantum(QuantumRange*
3762 if (LocaleCompare(
"stroke-width",keyword) == 0)
3764 (void) GetNextToken(q,&q,extent,token);
3765 if (graphic_context[n]->clip_path != MagickFalse)
3767 graphic_context[n]->stroke_width=GetDrawValue(token,&next_token);
3768 if (token == next_token)
3769 ThrowPointExpectedException(image,token);
3778 if (LocaleCompare(
"text",keyword) == 0)
3780 primitive_type=TextPrimitive;
3784 if (LocaleCompare(
"text-align",keyword) == 0)
3789 (void) GetNextToken(q,&q,extent,token);
3790 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3796 graphic_context[n]->align=(AlignType) align;
3799 if (LocaleCompare(
"text-anchor",keyword) == 0)
3804 (void) GetNextToken(q,&q,extent,token);
3805 align=ParseCommandOption(MagickAlignOptions,MagickFalse,token);
3811 graphic_context[n]->align=(AlignType) align;
3814 if (LocaleCompare(
"text-antialias",keyword) == 0)
3816 (void) GetNextToken(q,&q,extent,token);
3817 graphic_context[n]->text_antialias=StringToLong(token) != 0 ?
3818 MagickTrue : MagickFalse;
3821 if (LocaleCompare(
"text-undercolor",keyword) == 0)
3823 (void) GetNextToken(q,&q,extent,token);
3824 status&=QueryColorDatabase(token,&graphic_context[n]->undercolor,
3828 if (LocaleCompare(
"translate",keyword) == 0)
3830 (void) GetNextToken(q,&q,extent,token);
3831 affine.tx=GetDrawValue(token,&next_token);
3832 if (token == next_token)
3833 ThrowPointExpectedException(image,token);
3834 (void) GetNextToken(q,&q,extent,token);
3836 (void) GetNextToken(q,&q,extent,token);
3837 affine.ty=GetDrawValue(token,&next_token);
3838 if (token == next_token)
3839 ThrowPointExpectedException(image,token);
3848 if (LocaleCompare(
"use",keyword) == 0)
3856 (void) GetNextToken(q,&q,extent,token);
3857 use=(
const char *) GetValueFromSplayTree(macros,token);
3858 if (use != (
const char *) NULL)
3860 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
3861 (void) CloneString(&clone_info->primitive,use);
3862 status=RenderMVGContent(image,clone_info,depth+1);
3863 clone_info=DestroyDrawInfo(clone_info);
3873 if (LocaleCompare(
"viewbox",keyword) == 0)
3875 (void) GetNextToken(q,&q,extent,token);
3876 graphic_context[n]->viewbox.x=CastDoubleToLong(ceil(
3877 GetDrawValue(token,&next_token)-0.5));
3878 if (token == next_token)
3879 ThrowPointExpectedException(image,token);
3880 (void) GetNextToken(q,&q,extent,token);
3882 (void) GetNextToken(q,&q,extent,token);
3883 graphic_context[n]->viewbox.y=CastDoubleToLong(ceil(
3884 GetDrawValue(token,&next_token)-0.5));
3885 if (token == next_token)
3886 ThrowPointExpectedException(image,token);
3887 (void) GetNextToken(q,&q,extent,token);
3889 (void) GetNextToken(q,&q,extent,token);
3890 graphic_context[n]->viewbox.width=(size_t) floor(GetDrawValue(
3891 token,&next_token)+0.5);
3892 if (token == next_token)
3893 ThrowPointExpectedException(image,token);
3894 (void) GetNextToken(q,&q,extent,token);
3896 (void) GetNextToken(q,&q,extent,token);
3897 graphic_context[n]->viewbox.height=(size_t) floor(GetDrawValue(
3898 token,&next_token)+0.5);
3899 if (token == next_token)
3900 ThrowPointExpectedException(image,token);
3909 if (LocaleCompare(
"word-spacing",keyword) == 0)
3911 (void) GetNextToken(q,&q,extent,token);
3912 graphic_context[n]->interword_spacing=GetDrawValue(token,
3914 if (token == next_token)
3915 ThrowPointExpectedException(image,token);
3927 if (status == MagickFalse)
3929 if ((fabs(affine.sx-1.0) >= MagickEpsilon) ||
3930 (fabs(affine.rx) >= MagickEpsilon) || (fabs(affine.ry) >= MagickEpsilon) ||
3931 (fabs(affine.sy-1.0) >= MagickEpsilon) ||
3932 (fabs(affine.tx) >= MagickEpsilon) || (fabs(affine.ty) >= MagickEpsilon))
3934 graphic_context[n]->affine.sx=current.sx*affine.sx+current.ry*affine.rx;
3935 graphic_context[n]->affine.rx=current.rx*affine.sx+current.sy*affine.rx;
3936 graphic_context[n]->affine.ry=current.sx*affine.ry+current.ry*affine.sy;
3937 graphic_context[n]->affine.sy=current.rx*affine.ry+current.sy*affine.sy;
3938 graphic_context[n]->affine.tx=current.sx*affine.tx+current.ry*affine.ty+
3940 graphic_context[n]->affine.ty=current.rx*affine.tx+current.sy*affine.ty+
3943 if (primitive_type == UndefinedPrimitive)
3945 if ((draw_info->debug != MagickFalse) && (q > p))
3946 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int)
3953 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
3954 if ((primitive_info[i].primitive == TextPrimitive) ||
3955 (primitive_info[i].primitive == ImagePrimitive))
3956 if (primitive_info[i].text != (
char *) NULL)
3957 primitive_info[i].text=DestroyString(primitive_info[i].text);
3961 primitive_info[0].point.x=0.0;
3962 primitive_info[0].point.y=0.0;
3963 primitive_info[0].coordinates=0;
3964 primitive_info[0].method=FloodfillMethod;
3965 primitive_info[0].closed_subpath=MagickFalse;
3966 for (x=0; *q !=
'\0'; x++)
3971 if (IsPoint(q) == MagickFalse)
3973 (void) GetNextToken(q,&q,extent,token);
3974 point.x=GetDrawValue(token,&next_token);
3975 if (token == next_token)
3976 ThrowPointExpectedException(image,token);
3977 (void) GetNextToken(q,&q,extent,token);
3979 (void) GetNextToken(q,&q,extent,token);
3980 point.y=GetDrawValue(token,&next_token);
3981 if (token == next_token)
3982 ThrowPointExpectedException(image,token);
3983 (void) GetNextToken(q,(
const char **) NULL,extent,token);
3985 (void) GetNextToken(q,&q,extent,token);
3986 primitive_info[i].primitive=primitive_type;
3987 primitive_info[i].point=point;
3988 primitive_info[i].coordinates=0;
3989 primitive_info[i].method=FloodfillMethod;
3990 primitive_info[i].closed_subpath=MagickFalse;
3993 if (i < (ssize_t) number_points)
3995 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
3997 if (status == MagickFalse)
3999 primitive_info[j].primitive=primitive_type;
4000 primitive_info[j].coordinates=(size_t) x;
4001 primitive_info[j].method=FloodfillMethod;
4002 primitive_info[j].closed_subpath=MagickFalse;
4006 bounds.x1=primitive_info[j].point.x;
4007 bounds.y1=primitive_info[j].point.y;
4008 bounds.x2=primitive_info[j].point.x;
4009 bounds.y2=primitive_info[j].point.y;
4010 for (k=1; k < (ssize_t) primitive_info[j].coordinates; k++)
4012 point=primitive_info[j+k].point;
4013 if (point.x < bounds.x1)
4015 if (point.y < bounds.y1)
4017 if (point.x > bounds.x2)
4019 if (point.y > bounds.y2)
4025 coordinates=(double) primitive_info[j].coordinates;
4026 switch (primitive_type)
4028 case RectanglePrimitive:
4033 case RoundRectanglePrimitive:
4040 alpha=bounds.x2-bounds.x1;
4041 beta=bounds.y2-bounds.y1;
4042 radius=hypot(alpha,beta);
4044 coordinates+=2.0*((size_t) ceil((
double) MagickPI*radius))+6.0*
4045 BezierQuantum+360.0;
4048 case BezierPrimitive:
4050 coordinates=(BezierQuantum*(double) primitive_info[j].coordinates);
4059 (void) GetNextToken(q,&q,extent,token);
4062 for (s=token; *s !=
'\0'; s=t)
4067 value=GetDrawValue(s,&t);
4076 for (s=token; *s !=
'\0'; s++)
4077 if (strspn(s,
"AaCcQqSsTt") != 0)
4078 coordinates+=(20.0*BezierQuantum)+360.0;
4084 if (status == MagickFalse)
4086 if (((
size_t) (i+coordinates)) >= number_points)
4091 number_points+=coordinates+1;
4092 if (number_points < (
size_t) coordinates)
4094 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4095 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
4100 status&=CheckPrimitiveExtent(&mvg_info,(
double) number_points);
4102 status&=CheckPrimitiveExtent(&mvg_info,PrimitiveExtentPad);
4103 if (status == MagickFalse)
4106 switch (primitive_type)
4108 case PointPrimitive:
4111 if (primitive_info[j].coordinates != 1)
4116 status&=TracePoint(primitive_info+j,primitive_info[j].point);
4117 i=(ssize_t) (j+primitive_info[j].coordinates);
4127 if (primitive_info[j].coordinates != 2)
4132 dx=primitive_info[i].point.x-primitive_info[i-1].point.x;
4133 dy=primitive_info[i].point.y-primitive_info[i-1].point.y;
4134 maximum_length=hypot(dx,dy);
4135 if (maximum_length > (MaxBezierCoordinates/100.0))
4136 ThrowPointExpectedException(image,keyword);
4137 status&=TraceLine(primitive_info+j,primitive_info[j].point,
4138 primitive_info[j+1].point);
4139 i=(ssize_t) (j+primitive_info[j].coordinates);
4142 case RectanglePrimitive:
4144 if (primitive_info[j].coordinates != 2)
4149 status&=TraceRectangle(primitive_info+j,primitive_info[j].point,
4150 primitive_info[j+1].point);
4151 i=(ssize_t) (j+primitive_info[j].coordinates);
4154 case RoundRectanglePrimitive:
4156 if (primitive_info[j].coordinates != 3)
4161 if ((primitive_info[j+2].point.x < 0.0) ||
4162 (primitive_info[j+2].point.y < 0.0))
4167 if ((primitive_info[j+1].point.x-primitive_info[j].point.x) < 0.0)
4172 if ((primitive_info[j+1].point.y-primitive_info[j].point.y) < 0.0)
4177 status&=TraceRoundRectangle(&mvg_info,primitive_info[j].point,
4178 primitive_info[j+1].point,primitive_info[j+2].point);
4179 i=(ssize_t) (j+primitive_info[j].coordinates);
4184 if (primitive_info[j].coordinates != 3)
4189 status&=TraceArc(&mvg_info,primitive_info[j].point,
4190 primitive_info[j+1].point,primitive_info[j+2].point);
4191 i=(ssize_t) (j+primitive_info[j].coordinates);
4194 case EllipsePrimitive:
4196 if (primitive_info[j].coordinates != 3)
4201 if ((primitive_info[j+1].point.x < 0.0) ||
4202 (primitive_info[j+1].point.y < 0.0))
4207 status&=TraceEllipse(&mvg_info,primitive_info[j].point,
4208 primitive_info[j+1].point,primitive_info[j+2].point);
4209 i=(ssize_t) (j+primitive_info[j].coordinates);
4212 case CirclePrimitive:
4214 if (primitive_info[j].coordinates != 2)
4219 status&=TraceCircle(&mvg_info,primitive_info[j].point,
4220 primitive_info[j+1].point);
4221 i=(ssize_t) (j+primitive_info[j].coordinates);
4224 case PolylinePrimitive:
4226 if (primitive_info[j].coordinates < 1)
4233 case PolygonPrimitive:
4235 if (primitive_info[j].coordinates < 3)
4240 primitive_info[i]=primitive_info[j];
4241 primitive_info[i].coordinates=0;
4242 primitive_info[j].coordinates++;
4243 primitive_info[j].closed_subpath=MagickTrue;
4247 case BezierPrimitive:
4249 if (primitive_info[j].coordinates < 3)
4254 status&=TraceBezier(&mvg_info,primitive_info[j].coordinates);
4255 i=(ssize_t) (j+primitive_info[j].coordinates);
4260 coordinates=(double) TracePath(image,&mvg_info,token);
4261 if (coordinates < 0.0)
4266 i=(ssize_t) (j+coordinates);
4269 case ColorPrimitive:
4270 case MattePrimitive:
4275 if (primitive_info[j].coordinates != 1)
4280 (void) GetNextToken(q,&q,extent,token);
4281 method=ParseCommandOption(MagickMethodOptions,MagickFalse,token);
4287 primitive_info[j].method=(PaintMethod) method;
4293 geometry[MagickPathExtent];
4295 if (primitive_info[j].coordinates != 1)
4301 (void) GetNextToken(q,&q,extent,token);
4302 (void) CloneString(&primitive_info[j].text,token);
4306 clone_info=CloneDrawInfo((
ImageInfo *) NULL,graphic_context[n]);
4307 if ((fabs(mvg_info.point.x-primitive_info->point.x) < MagickEpsilon) &&
4308 (fabs(mvg_info.point.y-primitive_info->point.y) < MagickEpsilon))
4310 mvg_info.point=primitive_info->point;
4311 primitive_info->point.x+=cursor;
4315 mvg_info.point=primitive_info->point;
4318 (void) FormatLocaleString(geometry,MagickPathExtent,
"%+f%+f",
4319 primitive_info->point.x,primitive_info->point.y);
4320 clone_info->render=MagickFalse;
4321 clone_info->text=AcquireString(token);
4322 status&=GetTypeMetrics(image,clone_info,&metrics);
4323 clone_info=DestroyDrawInfo(clone_info);
4324 cursor+=metrics.width;
4325 if (graphic_context[n]->compliance != SVGCompliance)
4329 case ImagePrimitive:
4331 if (primitive_info[j].coordinates != 2)
4336 (void) GetNextToken(q,&q,extent,token);
4337 (void) CloneString(&primitive_info[j].text,token);
4344 primitive_info[i].primitive=UndefinedPrimitive;
4345 if ((draw_info->debug != MagickFalse) && (q > p))
4346 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" %.*s",(int) (q-p),p);
4350 status&=CheckPrimitiveExtent(&mvg_info,ExpandAffine(
4351 &graphic_context[n]->affine));
4354 status&=CheckPrimitiveExtent(&mvg_info,(
double)
4355 graphic_context[n]->stroke_width);
4363 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4365 point=primitive_info[i].point;
4366 primitive_info[i].point.x=graphic_context[n]->affine.sx*point.x+
4367 graphic_context[n]->affine.ry*point.y+graphic_context[n]->affine.tx;
4368 primitive_info[i].point.y=graphic_context[n]->affine.rx*point.x+
4369 graphic_context[n]->affine.sy*point.y+graphic_context[n]->affine.ty;
4370 point=primitive_info[i].point;
4371 if (point.x < graphic_context[n]->bounds.x1)
4372 graphic_context[n]->bounds.x1=point.x;
4373 if (point.y < graphic_context[n]->bounds.y1)
4374 graphic_context[n]->bounds.y1=point.y;
4375 if (point.x > graphic_context[n]->bounds.x2)
4376 graphic_context[n]->bounds.x2=point.x;
4377 if (point.y > graphic_context[n]->bounds.y2)
4378 graphic_context[n]->bounds.y2=point.y;
4379 if (primitive_info[i].primitive == ImagePrimitive)
4381 if (i >= (ssize_t) number_points)
4382 ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
4384 if (graphic_context[n]->render != MagickFalse)
4386 if ((n != 0) && (graphic_context[n]->compliance != SVGCompliance) &&
4387 (graphic_context[n]->clip_mask != (
char *) NULL) &&
4388 (LocaleCompare(graphic_context[n]->clip_mask,
4389 graphic_context[n-1]->clip_mask) != 0))
4394 clip_path=(
const char *) GetValueFromSplayTree(macros,
4395 graphic_context[n]->clip_mask);
4396 if (clip_path != (
const char *) NULL)
4397 (
void) SetImageArtifact(image,graphic_context[n]->clip_mask,
4399 status&=DrawClipPath(image,graphic_context[n],
4400 graphic_context[n]->clip_mask);
4402 status&=DrawPrimitive(image,graphic_context[n],primitive_info);
4404 proceed=SetImageProgress(image,RenderImageTag,q-primitive,(MagickSizeType)
4406 if (proceed == MagickFalse)
4411 if (draw_info->debug != MagickFalse)
4412 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end draw-image");
4416 macros=DestroySplayTree(macros);
4417 token=DestroyString(token);
4420 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
4421 if ((primitive_info[i].primitive == TextPrimitive) ||
4422 (primitive_info[i].primitive == ImagePrimitive))
4423 if (primitive_info[i].text != (
char *) NULL)
4424 primitive_info[i].text=DestroyString(primitive_info[i].text);
4425 primitive_info=(
PrimitiveInfo *) RelinquishMagickMemory(primitive_info);
4427 primitive=DestroyString(primitive);
4428 for ( ; n >= 0; n--)
4429 graphic_context[n]=DestroyDrawInfo(graphic_context[n]);
4430 graphic_context=(
DrawInfo **) RelinquishMagickMemory(graphic_context);
4431 if (status == MagickFalse)
4432 ThrowBinaryImageException(DrawError,
4433 "NonconformingDrawingPrimitiveDefinition",keyword);
4434 return(status != 0 ? MagickTrue : MagickFalse);
4437 MagickExport MagickBooleanType DrawImage(
Image *image,
const DrawInfo *draw_info)
4439 return(RenderMVGContent(image,draw_info,0));
4471 MagickExport MagickBooleanType DrawPatternPath(
Image *image,
4475 property[MaxTextExtent];
4491 assert(image != (
Image *) NULL);
4492 assert(image->signature == MagickCoreSignature);
4493 assert(draw_info != (
const DrawInfo *) NULL);
4494 if (IsEventLogging() != MagickFalse)
4495 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4496 assert(name != (
const char *) NULL);
4497 (void) FormatLocaleString(property,MaxTextExtent,
"%s",name);
4498 path=GetImageArtifact(image,property);
4499 if (path == (
const char *) NULL)
4500 return(MagickFalse);
4501 (void) FormatLocaleString(property,MaxTextExtent,
"%s-geometry",name);
4502 geometry=GetImageArtifact(image,property);
4503 if (geometry == (
const char *) NULL)
4504 return(MagickFalse);
4505 if ((*pattern) != (
Image *) NULL)
4506 *pattern=DestroyImage(*pattern);
4507 image_info=AcquireImageInfo();
4508 image_info->size=AcquireString(geometry);
4509 *pattern=AcquireImage(image_info);
4510 image_info=DestroyImageInfo(image_info);
4511 (void) QueryColorDatabase(
"#00000000",&(*pattern)->background_color,
4513 (void) SetImageBackgroundColor(*pattern);
4514 if (draw_info->debug != MagickFalse)
4515 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
4516 "begin pattern-path %s %s",name,geometry);
4517 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
4518 if (clone_info->fill_pattern != (
Image *) NULL)
4519 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
4520 if (clone_info->stroke_pattern != (
Image *) NULL)
4521 clone_info->stroke_pattern=DestroyImage(clone_info->stroke_pattern);
4522 (void) FormatLocaleString(property,MaxTextExtent,
"%s-type",name);
4523 type=GetImageArtifact(image,property);
4524 if (type != (
const char *) NULL)
4525 clone_info->gradient.type=(GradientType) ParseCommandOption(
4526 MagickGradientOptions,MagickFalse,type);
4527 (void) CloneString(&clone_info->primitive,path);
4528 status=RenderMVGContent(*pattern,clone_info,0);
4529 clone_info=DestroyDrawInfo(clone_info);
4530 if (draw_info->debug != MagickFalse)
4531 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
"end pattern-path");
4569 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
4571 polygon_info[i]=DestroyPolygonInfo(polygon_info[i]);
4572 polygon_info=(
PolygonInfo **) RelinquishMagickMemory(polygon_info);
4573 return(polygon_info);
4580 *magick_restrict path_info;
4588 number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
4589 polygon_info=(
PolygonInfo **) AcquireQuantumMemory(number_threads,
4590 sizeof(*polygon_info));
4593 (void) ThrowMagickException(exception,GetMagickModule(),
4594 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4597 (void) memset(polygon_info,0,number_threads*
sizeof(*polygon_info));
4598 path_info=ConvertPrimitiveToPath(draw_info,primitive_info,exception);
4599 if (path_info == (
PathInfo *) NULL)
4600 return(DestroyPolygonTLS(polygon_info));
4601 polygon_info[0]=ConvertPathToPolygon(path_info,exception);
4604 (void) ThrowMagickException(exception,GetMagickModule(),
4605 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4606 return(DestroyPolygonTLS(polygon_info));
4608 path_info=(
PathInfo *) RelinquishMagickMemory(path_info);
4609 return(polygon_info);
4612 static MagickBooleanType AcquirePolygonEdgesTLS(
PolygonInfo **polygon_info,
4618 for (i=1; i < (ssize_t) number_threads; i++)
4626 polygon_info[i]=(
PolygonInfo *) AcquireMagickMemory(
4627 sizeof(*polygon_info[i]));
4630 (void) ThrowMagickException(exception,GetMagickModule(),
4631 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4632 return(MagickFalse);
4634 polygon_info[i]->number_edges=0;
4635 edge_info=polygon_info[0]->edges;
4636 polygon_info[i]->edges=(
EdgeInfo *) AcquireQuantumMemory(
4637 polygon_info[0]->number_edges,
sizeof(*edge_info));
4638 if (polygon_info[i]->edges == (
EdgeInfo *) NULL)
4640 (void) ThrowMagickException(exception,GetMagickModule(),
4641 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4642 return(MagickFalse);
4644 (void) memcpy(polygon_info[i]->edges,edge_info,
4645 polygon_info[0]->number_edges*
sizeof(*edge_info));
4646 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4647 polygon_info[i]->edges[j].points=(
PointInfo *) NULL;
4648 polygon_info[i]->number_edges=polygon_info[0]->number_edges;
4649 for (j=0; j < (ssize_t) polygon_info[i]->number_edges; j++)
4651 edge_info=polygon_info[0]->edges+j;
4652 polygon_info[i]->edges[j].points=(
PointInfo *) AcquireQuantumMemory(
4653 edge_info->number_points,
sizeof(*edge_info));
4654 if (polygon_info[i]->edges[j].points == (
PointInfo *) NULL)
4656 (void) ThrowMagickException(exception,GetMagickModule(),
4657 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
4658 return(MagickFalse);
4660 (void) memcpy(polygon_info[i]->edges[j].points,edge_info->points,
4661 edge_info->number_points*
sizeof(*edge_info->points));
4667 static size_t DestroyEdge(
PolygonInfo *polygon_info,
const ssize_t edge)
4669 assert(edge < (ssize_t) polygon_info->number_edges);
4670 polygon_info->edges[edge].points=(
PointInfo *) RelinquishMagickMemory(
4671 polygon_info->edges[edge].points);
4672 polygon_info->number_edges--;
4673 if (edge < (ssize_t) polygon_info->number_edges)
4674 (
void) memmove(polygon_info->edges+edge,polygon_info->edges+edge+1,
4675 (
size_t) (polygon_info->number_edges-edge)*
sizeof(*polygon_info->edges));
4676 return(polygon_info->number_edges);
4679 static double GetOpacityPixel(
PolygonInfo *polygon_info,
const double mid,
4680 const MagickBooleanType fill,
const FillRule fill_rule,
const ssize_t x,
4681 const ssize_t y,
double *stroke_opacity)
4708 *stroke_opacity=0.0;
4709 subpath_opacity=0.0;
4710 p=polygon_info->edges;
4711 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4713 if ((
double) y <= (p->bounds.y1-mid-0.5))
4715 if ((
double) y > (p->bounds.y2+mid+0.5))
4718 (void) DestroyEdge(polygon_info,j--);
4721 if (((
double) x <= (p->bounds.x1-mid-0.5)) ||
4722 ((
double) x > (p->bounds.x2+mid+0.5)))
4724 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4725 for ( ; i < (ssize_t) p->number_points; i++)
4727 if ((
double) y <= (p->points[i-1].y-mid-0.5))
4729 if ((
double) y > (p->points[i].y+mid+0.5))
4731 if (p->scanline != (
double) y)
4733 p->scanline=(double) y;
4734 p->highwater=(size_t) i;
4740 delta.x=(q+1)->x-q->x;
4741 delta.y=(q+1)->y-q->y;
4742 beta=delta.x*(x-q->x)+delta.y*(y-q->y);
4745 delta.x=(double) x-q->x;
4746 delta.y=(
double) y-q->y;
4747 distance=delta.x*delta.x+delta.y*delta.y;
4751 alpha=delta.x*delta.x+delta.y*delta.y;
4754 delta.x=(double) x-(q+1)->x;
4755 delta.y=(double) y-(q+1)->y;
4756 distance=delta.x*delta.x+delta.y*delta.y;
4760 alpha=PerceptibleReciprocal(alpha);
4761 beta=delta.x*(y-q->y)-delta.y*(x-q->x);
4762 distance=alpha*beta*beta;
4769 if (p->ghostline == MagickFalse)
4772 if ((*stroke_opacity < 1.0) &&
4773 (distance <= ((alpha+0.25)*(alpha+0.25))))
4776 if (distance <= ((alpha+0.25)*(alpha+0.25)))
4777 *stroke_opacity=1.0;
4781 if (fabs(distance-1.0) >= MagickEpsilon)
4782 beta=sqrt((
double) distance);
4784 if (*stroke_opacity < ((alpha-0.25)*(alpha-0.25)))
4785 *stroke_opacity=(alpha-0.25)*(alpha-0.25);
4789 if ((fill == MagickFalse) || (distance > 1.0) || (subpath_opacity >= 1.0))
4791 if (distance <= 0.0)
4793 subpath_opacity=1.0;
4798 if (fabs(beta) < MagickEpsilon)
4801 if (fabs(distance-1.0) >= MagickEpsilon)
4802 beta=sqrt(distance);
4805 if (subpath_opacity < (alpha*alpha))
4806 subpath_opacity=alpha*alpha;
4812 if (fill == MagickFalse)
4814 if (subpath_opacity >= 1.0)
4820 p=polygon_info->edges;
4821 for (j=0; j < (ssize_t) polygon_info->number_edges; j++, p++)
4823 if ((
double) y <= p->bounds.y1)
4825 if (((
double) y > p->bounds.y2) || ((
double) x <= p->bounds.x1))
4827 if ((
double) x > p->bounds.x2)
4829 winding_number+=p->direction != 0 ? 1 : -1;
4832 i=(ssize_t) MagickMax((
double) p->highwater,1.0);
4833 for ( ; i < (ssize_t) (p->number_points-1); i++)
4834 if ((
double) y <= p->points[i].y)
4837 if ((((q+1)->x-q->x)*(y-q->y)) <= (((q+1)->y-q->y)*(x-q->x)))
4838 winding_number+=p->direction != 0 ? 1 : -1;
4840 if (fill_rule != NonZeroRule)
4842 if ((MagickAbsoluteValue(winding_number) & 0x01) != 0)
4846 if (MagickAbsoluteValue(winding_number) != 0)
4848 return(subpath_opacity);
4851 static MagickBooleanType DrawPolygonPrimitive(
Image *image,
4854 typedef struct _ExtentInfo
4883 **magick_restrict polygon_info;
4898 assert(image != (
Image *) NULL);
4899 assert(image->signature == MagickCoreSignature);
4900 assert(draw_info != (
DrawInfo *) NULL);
4901 assert(draw_info->signature == MagickCoreSignature);
4903 if (IsEventLogging() != MagickFalse)
4904 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"%s",image->filename);
4905 if (primitive_info->coordinates <= 1)
4910 polygon_info=AcquirePolygonTLS(draw_info,primitive_info,&image->exception);
4912 return(MagickFalse);
4913 if (draw_info->debug != MagickFalse)
4914 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" begin draw-polygon");
4915 fill=(primitive_info->method == FillToBorderMethod) ||
4916 (primitive_info->method == FloodfillMethod) ? MagickTrue : MagickFalse;
4917 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
4918 bounds=polygon_info[0]->edges[0].bounds;
4919 artifact=GetImageArtifact(image,
"draw:render-bounding-rectangles");
4920 if (IsStringTrue(artifact) != MagickFalse)
4921 (void) DrawBoundingRectangles(image,draw_info,polygon_info[0]);
4922 for (i=1; i < (ssize_t) polygon_info[0]->number_edges; i++)
4924 p=polygon_info[0]->edges+i;
4925 if (p->bounds.x1 < bounds.x1)
4926 bounds.x1=p->bounds.x1;
4927 if (p->bounds.y1 < bounds.y1)
4928 bounds.y1=p->bounds.y1;
4929 if (p->bounds.x2 > bounds.x2)
4930 bounds.x2=p->bounds.x2;
4931 if (p->bounds.y2 > bounds.y2)
4932 bounds.y2=p->bounds.y2;
4934 bounds.x1-=(mid+1.0);
4935 bounds.y1-=(mid+1.0);
4936 bounds.x2+=(mid+1.0);
4937 bounds.y2+=(mid+1.0);
4938 if ((bounds.x1 >= (
double) image->columns) ||
4939 (bounds.y1 >= (
double) image->rows) ||
4940 (bounds.x2 <= 0.0) || (bounds.y2 <= 0.0))
4942 polygon_info=DestroyPolygonTLS(polygon_info);
4945 bounds.x1=bounds.x1 < 0.0 ? 0.0 : bounds.x1 >= (double) image->columns-1.0 ?
4946 (
double) image->columns-1.0 : bounds.x1;
4947 bounds.y1=bounds.y1 < 0.0 ? 0.0 : bounds.y1 >= (double) image->rows-1.0 ?
4948 (
double) image->rows-1.0 : bounds.y1;
4949 bounds.x2=bounds.x2 < 0.0 ? 0.0 : bounds.x2 >= (double) image->columns-1.0 ?
4950 (
double) image->columns-1.0 : bounds.x2;
4951 bounds.y2=bounds.y2 < 0.0 ? 0.0 : bounds.y2 >= (double) image->rows-1.0 ?
4952 (
double) image->rows-1.0 : bounds.y2;
4953 poly_extent.x1=CastDoubleToLong(ceil(bounds.x1-0.5));
4954 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
4955 poly_extent.x2=CastDoubleToLong(floor(bounds.x2+0.5));
4956 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
4957 number_threads=GetMagickNumberThreads(image,image,poly_extent.y2-
4958 poly_extent.y1+1,1);
4959 status=AcquirePolygonEdgesTLS(polygon_info,number_threads,&image->exception);
4960 if (status == MagickFalse)
4962 polygon_info=DestroyPolygonTLS(polygon_info);
4966 exception=(&image->exception);
4967 image_view=AcquireAuthenticCacheView(image,exception);
4968 if ((primitive_info->coordinates == 1) ||
4969 (polygon_info[0]->number_edges == 0))
4974 #if defined(MAGICKCORE_OPENMP_SUPPORT)
4975 #pragma omp parallel for schedule(static) shared(status) \
4976 num_threads(number_threads)
4978 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
4989 if (status == MagickFalse)
4992 q=GetCacheViewAuthenticPixels(image_view,x,y,(
size_t) (poly_extent.x2-
4999 for ( ; x <= poly_extent.x2; x++)
5001 if ((x == CastDoubleToLong(ceil(primitive_info->point.x-0.5))) &&
5002 (y == CastDoubleToLong(ceil(primitive_info->point.y-0.5))))
5003 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,q);
5006 sync=SyncCacheViewAuthenticPixels(image_view,exception);
5007 if (sync == MagickFalse)
5010 image_view=DestroyCacheView(image_view);
5011 polygon_info=DestroyPolygonTLS(polygon_info);
5012 if (draw_info->debug != MagickFalse)
5013 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5014 " end draw-polygon");
5020 poly_extent.y1=CastDoubleToLong(ceil(bounds.y1-0.5));
5021 poly_extent.y2=CastDoubleToLong(floor(bounds.y2+0.5));
5022 #if defined(MAGICKCORE_OPENMP_SUPPORT)
5023 #pragma omp parallel for schedule(static) shared(status) \
5024 num_threads(number_threads)
5026 for (y=poly_extent.y1; y <= poly_extent.y2; y++)
5029 id = GetOpenMPThreadId();
5041 if (status == MagickFalse)
5043 q=GetCacheViewAuthenticPixels(image_view,poly_extent.x1,y,(
size_t)
5044 (poly_extent.x2-poly_extent.x1+1),1,exception);
5050 for (x=poly_extent.x1; x <= poly_extent.x2; x++)
5059 fill_opacity=GetOpacityPixel(polygon_info[
id],mid,fill,
5060 draw_info->fill_rule,x,y,&stroke_opacity);
5061 if (draw_info->stroke_antialias == MagickFalse)
5063 fill_opacity=fill_opacity > 0.5 ? 1.0 : 0.0;
5064 stroke_opacity=stroke_opacity > 0.5 ? 1.0 : 0.0;
5066 (void) GetFillColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5068 fill_opacity=(double) (QuantumRange-fill_opacity*(QuantumRange-
5069 fill_color.opacity));
5070 MagickCompositeOver(&fill_color,(MagickRealType) fill_opacity,q,
5071 (MagickRealType) q->opacity,q);
5072 (void) GetStrokeColor(draw_info,x-poly_extent.x1,y-poly_extent.y1,
5074 stroke_opacity=(double) (QuantumRange-stroke_opacity*(QuantumRange-
5075 stroke_color.opacity));
5076 MagickCompositeOver(&stroke_color,(MagickRealType) stroke_opacity,q,
5077 (MagickRealType) q->opacity,q);
5080 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
5083 image_view=DestroyCacheView(image_view);
5084 polygon_info=DestroyPolygonTLS(polygon_info);
5085 if (draw_info->debug != MagickFalse)
5086 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-polygon");
5117 static void LogPrimitiveInfo(
const PrimitiveInfo *primitive_info)
5143 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5144 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5145 switch (primitive_info->primitive)
5147 case PointPrimitive:
5149 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5150 "PointPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5151 methods[primitive_info->method]);
5154 case ColorPrimitive:
5156 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5157 "ColorPrimitive %.20g,%.20g %s",(double) x,(
double) y,
5158 methods[primitive_info->method]);
5161 case MattePrimitive:
5163 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5164 "MattePrimitive %.20g,%.20g %s",(double) x,(
double) y,
5165 methods[primitive_info->method]);
5170 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5171 "TextPrimitive %.20g,%.20g",(double) x,(
double) y);
5174 case ImagePrimitive:
5176 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5177 "ImagePrimitive %.20g,%.20g",(double) x,(
double) y);
5184 p=primitive_info[0].point;
5187 for (i=0; primitive_info[i].primitive != UndefinedPrimitive; i++)
5189 point=primitive_info[i].point;
5190 if (coordinates <= 0)
5192 coordinates=(ssize_t) primitive_info[i].coordinates;
5193 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5194 " begin open (%.20g)",(double) coordinates);
5197 point=primitive_info[i].point;
5198 if ((fabs(q.x-point.x) >= MagickEpsilon) ||
5199 (fabs(q.y-point.y) >= MagickEpsilon))
5200 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5201 " %.20g: %.18g,%.18g",(double) coordinates,point.x,point.y);
5203 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
5204 " %.20g: %g %g (duplicate)",(
double) coordinates,point.x,point.y);
5207 if (coordinates > 0)
5209 if ((fabs(p.x-point.x) >= MagickEpsilon) ||
5210 (fabs(p.y-point.y) >= MagickEpsilon))
5211 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end last (%.20g)",
5212 (double) coordinates);
5214 (
void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end open (%.20g)",
5215 (
double) coordinates);
5219 MagickExport MagickBooleanType DrawPrimitive(
Image *image,
5238 if (draw_info->debug != MagickFalse)
5240 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5241 " begin draw-primitive");
5242 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5243 " affine: %g,%g,%g,%g,%g,%g",draw_info->affine.sx,
5244 draw_info->affine.rx,draw_info->affine.ry,draw_info->affine.sy,
5245 draw_info->affine.tx,draw_info->affine.ty);
5247 exception=(&image->exception);
5249 if ((IsGrayColorspace(image->colorspace) != MagickFalse) &&
5250 ((IsPixelGray(&draw_info->fill) == MagickFalse) ||
5251 (IsPixelGray(&draw_info->stroke) == MagickFalse)))
5252 status=SetImageColorspace(image,sRGBColorspace);
5253 if (draw_info->compliance == SVGCompliance)
5255 status&=SetImageClipMask(image,draw_info->clipping_mask);
5256 status&=SetImageMask(image,draw_info->composite_mask);
5258 x=CastDoubleToLong(ceil(primitive_info->point.x-0.5));
5259 y=CastDoubleToLong(ceil(primitive_info->point.y-0.5));
5260 image_view=AcquireAuthenticCacheView(image,exception);
5261 switch (primitive_info->primitive)
5263 case ColorPrimitive:
5265 switch (primitive_info->method)
5273 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5276 (void) GetFillColor(draw_info,x,y,q);
5277 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5285 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5286 for (y=0; y < (ssize_t) image->rows; y++)
5291 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5295 for (x=0; x < (ssize_t) image->columns; x++)
5297 if (IsColorSimilar(image,q,&target) == MagickFalse)
5302 (void) GetFillColor(draw_info,x,y,q);
5305 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5306 if (status == MagickFalse)
5311 case FloodfillMethod:
5312 case FillToBorderMethod:
5317 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5318 if (primitive_info->method == FillToBorderMethod)
5320 target.red=(MagickRealType) draw_info->border_color.red;
5321 target.green=(MagickRealType) draw_info->border_color.green;
5322 target.blue=(MagickRealType) draw_info->border_color.blue;
5324 status&=FloodfillPaintImage(image,DefaultChannels,draw_info,&target,x,
5325 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5331 for (y=0; y < (ssize_t) image->rows; y++)
5339 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5343 for (x=0; x < (ssize_t) image->columns; x++)
5345 (void) GetFillColor(draw_info,x,y,q);
5348 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5349 if (status == MagickFalse)
5357 case MattePrimitive:
5359 if (image->matte == MagickFalse)
5360 status&=SetImageAlphaChannel(image,OpaqueAlphaChannel);
5361 switch (primitive_info->method)
5372 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5375 (void) GetFillColor(draw_info,x,y,&pixel);
5376 SetPixelOpacity(q,pixel.opacity);
5377 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5386 status&=GetOneCacheViewVirtualPixel(image_view,x,y,&target,exception);
5387 for (y=0; y < (ssize_t) image->rows; y++)
5395 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5399 for (x=0; x < (ssize_t) image->columns; x++)
5401 if (IsColorSimilar(image,q,&target) == MagickFalse)
5406 (void) GetFillColor(draw_info,x,y,&pixel);
5407 SetPixelOpacity(q,pixel.opacity);
5410 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5411 if (status == MagickFalse)
5416 case FloodfillMethod:
5417 case FillToBorderMethod:
5422 status&=GetOneVirtualMagickPixel(image,x,y,&target,exception);
5423 if (primitive_info->method == FillToBorderMethod)
5425 target.red=(MagickRealType) draw_info->border_color.red;
5426 target.green=(MagickRealType) draw_info->border_color.green;
5427 target.blue=(MagickRealType) draw_info->border_color.blue;
5429 status&=FloodfillPaintImage(image,OpacityChannel,draw_info,&target,x,
5430 y,primitive_info->method == FloodfillMethod ? MagickFalse :
5439 for (y=0; y < (ssize_t) image->rows; y++)
5447 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
5451 for (x=0; x < (ssize_t) image->columns; x++)
5453 (void) GetFillColor(draw_info,x,y,&pixel);
5454 SetPixelOpacity(q,pixel.opacity);
5457 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5458 if (status == MagickFalse)
5466 case ImagePrimitive:
5472 composite_geometry[MaxTextExtent];
5488 if (primitive_info->text == (
char *) NULL)
5490 clone_info=AcquireImageInfo();
5491 composite_images=(
Image *) NULL;
5492 if (LocaleNCompare(primitive_info->text,
"data:",5) == 0)
5493 composite_images=ReadInlineImage(clone_info,primitive_info->text,
5496 if (*primitive_info->text !=
'\0')
5507 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5509 (void) SetImageInfo(clone_info,1,exception);
5510 (void) CopyMagickString(clone_info->filename,primitive_info->text,
5512 if (clone_info->size != (
char *) NULL)
5513 clone_info->size=DestroyString(clone_info->size);
5514 if (clone_info->extract != (
char *) NULL)
5515 clone_info->extract=DestroyString(clone_info->extract);
5516 path_status=GetPathAttributes(clone_info->filename,&attributes);
5517 if (path_status != MagickFalse)
5519 if (S_ISCHR(attributes.st_mode) == 0)
5520 composite_images=ReadImage(clone_info,exception);
5522 (
void) ThrowMagickException(exception,GetMagickModule(),
5523 FileOpenError,
"UnableToOpenFile",
"`%s'",
5524 clone_info->filename);
5527 if ((LocaleCompare(clone_info->magick,
"ftp") != 0) &&
5528 (LocaleCompare(clone_info->magick,
"http") != 0) &&
5529 (LocaleCompare(clone_info->magick,
"https") != 0) &&
5530 (LocaleCompare(clone_info->magick,
"vid") != 0))
5531 composite_images=ReadImage(clone_info,exception);
5533 (
void) ThrowMagickException(exception,GetMagickModule(),
5534 FileOpenError,
"UnableToOpenFile",
"`%s'",clone_info->filename);
5536 clone_info=DestroyImageInfo(clone_info);
5537 if (composite_images == (
Image *) NULL)
5542 composite_image=RemoveFirstImageFromList(&composite_images);
5543 composite_images=DestroyImageList(composite_images);
5544 (void) SetImageProgressMonitor(composite_image,(MagickProgressMonitor)
5545 NULL,(
void *) NULL);
5546 x1=CastDoubleToLong(ceil(primitive_info[1].point.x-0.5));
5547 y1=CastDoubleToLong(ceil(primitive_info[1].point.y-0.5));
5548 if (((x1 != 0L) && (x1 != (ssize_t) composite_image->columns)) ||
5549 ((y1 != 0L) && (y1 != (ssize_t) composite_image->rows)))
5552 geometry[MaxTextExtent];
5557 (void) FormatLocaleString(geometry,MaxTextExtent,
"%gx%g!",
5558 primitive_info[1].point.x,primitive_info[1].point.y);
5559 composite_image->filter=image->filter;
5560 status&=TransformImage(&composite_image,(
char *) NULL,geometry);
5562 if (composite_image->matte == MagickFalse)
5563 status&=SetImageAlphaChannel(composite_image,OpaqueAlphaChannel);
5564 if (draw_info->opacity != OpaqueOpacity)
5565 status&=SetImageOpacity(composite_image,draw_info->opacity);
5566 SetGeometry(image,&geometry);
5567 image->gravity=draw_info->gravity;
5570 (void) FormatLocaleString(composite_geometry,MaxTextExtent,
5571 "%.20gx%.20g%+.20g%+.20g",(
double) composite_image->columns,(double)
5572 composite_image->rows,(
double) geometry.x,(double) geometry.y);
5573 (void) ParseGravityGeometry(image,composite_geometry,&geometry,
5575 affine=draw_info->affine;
5576 affine.tx=(double) geometry.x;
5577 affine.ty=(
double) geometry.y;
5578 composite_image->interpolate=image->interpolate;
5579 if ((draw_info->compose == OverCompositeOp) ||
5580 (draw_info->compose == SrcOverCompositeOp))
5581 status&=DrawAffineImage(image,composite_image,&affine);
5583 status&=CompositeImage(image,draw_info->compose,composite_image,
5584 geometry.x,geometry.y);
5585 composite_image=DestroyImage(composite_image);
5588 case PointPrimitive:
5596 if ((y < 0) || (y >= (ssize_t) image->rows))
5598 if ((x < 0) || (x >= (ssize_t) image->columns))
5600 q=GetCacheViewAuthenticPixels(image_view,x,y,1,1,exception);
5603 (void) GetFillColor(draw_info,x,y,&fill_color);
5604 MagickCompositeOver(&fill_color,(MagickRealType) fill_color.opacity,q,
5605 (MagickRealType) q->opacity,q);
5606 status&=SyncCacheViewAuthenticPixels(image_view,exception);
5612 geometry[MaxTextExtent];
5617 if (primitive_info->text == (
char *) NULL)
5619 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5620 (void) CloneString(&clone_info->text,primitive_info->text);
5621 (void) FormatLocaleString(geometry,MaxTextExtent,
"%+f%+f",
5622 primitive_info->point.x,primitive_info->point.y);
5623 (void) CloneString(&clone_info->geometry,geometry);
5624 status&=AnnotateImage(image,clone_info);
5625 clone_info=DestroyDrawInfo(clone_info);
5637 if (IsEventLogging() != MagickFalse)
5638 LogPrimitiveInfo(primitive_info);
5639 scale=ExpandAffine(&draw_info->affine);
5640 if ((draw_info->dash_pattern != (
double *) NULL) &&
5641 (fabs(draw_info->dash_pattern[0]) >= MagickEpsilon) &&
5642 (fabs(scale*draw_info->stroke_width) >= MagickEpsilon) &&
5643 (draw_info->stroke.opacity != (Quantum) TransparentOpacity))
5648 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5649 clone_info->stroke_width=0.0;
5650 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5651 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5652 clone_info=DestroyDrawInfo(clone_info);
5653 if (status != MagickFalse)
5654 status&=DrawDashPolygon(draw_info,primitive_info,image);
5657 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
5659 ((draw_info->stroke.opacity != (Quantum) TransparentOpacity) ||
5660 (draw_info->stroke_pattern != (
Image *) NULL)))
5672 closed_path=primitive_info[0].closed_subpath;
5673 i=(ssize_t) primitive_info[0].coordinates;
5674 x=fabs(primitive_info[i-1].point.x-primitive_info[0].point.x);
5675 y=fabs(primitive_info[i-1].point.y-primitive_info[0].point.y);
5676 if ((x < MagickEpsilon) && (y < MagickEpsilon))
5677 closed_path=MagickTrue;
5678 if ((((draw_info->linecap == RoundCap) ||
5679 (closed_path != MagickFalse)) &&
5680 (draw_info->linejoin == RoundJoin)) ||
5681 (primitive_info[i].primitive != UndefinedPrimitive))
5683 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5686 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5687 clone_info->stroke_width=0.0;
5688 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5689 status&=DrawPolygonPrimitive(image,clone_info,primitive_info);
5690 clone_info=DestroyDrawInfo(clone_info);
5691 if (status != MagickFalse)
5692 status&=DrawStrokePolygon(image,draw_info,primitive_info);
5695 status&=DrawPolygonPrimitive(image,draw_info,primitive_info);
5699 image_view=DestroyCacheView(image_view);
5700 if (draw_info->compliance == SVGCompliance)
5702 status&=SetImageClipMask(image,(
Image *) NULL);
5703 status&=SetImageMask(image,(
Image *) NULL);
5705 if (draw_info->debug != MagickFalse)
5706 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
" end draw-primitive");
5707 return(status != 0 ? MagickTrue : MagickFalse);
5740 static MagickBooleanType DrawRoundLinecap(
Image *image,
5749 for (i=0; i < 4; i++)
5750 linecap[i]=(*primitive_info);
5751 linecap[0].coordinates=4;
5752 linecap[1].point.x+=2.0*MagickEpsilon;
5753 linecap[2].point.x+=2.0*MagickEpsilon;
5754 linecap[2].point.y+=2.0*MagickEpsilon;
5755 linecap[3].point.y+=2.0*MagickEpsilon;
5756 linecap[4].primitive=UndefinedPrimitive;
5757 return(DrawPolygonPrimitive(image,draw_info,linecap));
5760 static MagickBooleanType DrawStrokePolygon(
Image *image,
5782 if (draw_info->debug != MagickFalse)
5783 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5784 " begin draw-stroke-polygon");
5785 clone_info=CloneDrawInfo((
ImageInfo *) NULL,draw_info);
5786 clone_info->fill=draw_info->stroke;
5787 if (clone_info->fill_pattern != (
Image *) NULL)
5788 clone_info->fill_pattern=DestroyImage(clone_info->fill_pattern);
5789 if (clone_info->stroke_pattern != (
Image *) NULL)
5790 clone_info->fill_pattern=CloneImage(clone_info->stroke_pattern,0,0,
5791 MagickTrue,&clone_info->stroke_pattern->exception);
5792 clone_info->stroke.opacity=(Quantum) TransparentOpacity;
5793 clone_info->stroke_width=0.0;
5794 clone_info->fill_rule=NonZeroRule;
5796 for (p=primitive_info; p->primitive != UndefinedPrimitive; p+=p->coordinates)
5798 if (p->coordinates == 1)
5800 stroke_polygon=TraceStrokePolygon(draw_info,p,&image->exception);
5806 status&=DrawPolygonPrimitive(image,clone_info,stroke_polygon);
5807 stroke_polygon=(
PrimitiveInfo *) RelinquishMagickMemory(stroke_polygon);
5810 q=p+p->coordinates-1;
5811 closed_path=p->closed_subpath;
5812 if ((draw_info->linecap == RoundCap) && (closed_path == MagickFalse))
5814 status&=DrawRoundLinecap(image,draw_info,p);
5815 status&=DrawRoundLinecap(image,draw_info,q);
5818 clone_info=DestroyDrawInfo(clone_info);
5819 if (draw_info->debug != MagickFalse)
5820 (void) LogMagickEvent(DrawEvent,GetMagickModule(),
5821 " end draw-stroke-polygon");
5822 return(status != 0 ? MagickTrue : MagickFalse);
5848 MagickExport
void GetAffineMatrix(
AffineMatrix *affine_matrix)
5851 if (IsEventLogging() != MagickFalse)
5852 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5853 (void) memset(affine_matrix,0,
sizeof(*affine_matrix));
5854 affine_matrix->sx=1.0;
5855 affine_matrix->sy=1.0;
5899 assert(draw_info != (
DrawInfo *) NULL);
5900 if (IsEventLogging() != MagickFalse)
5901 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
5902 (void) memset(draw_info,0,
sizeof(*draw_info));
5903 clone_info=CloneImageInfo(image_info);
5904 GetAffineMatrix(&draw_info->affine);
5905 exception=AcquireExceptionInfo();
5906 (void) QueryColorDatabase(
"#000F",&draw_info->fill,exception);
5907 (void) QueryColorDatabase(
"#FFF0",&draw_info->stroke,exception);
5908 draw_info->stroke_antialias=clone_info->antialias;
5909 draw_info->stroke_width=1.0;
5910 draw_info->fill_rule=EvenOddRule;
5911 draw_info->opacity=OpaqueOpacity;
5912 draw_info->fill_opacity=OpaqueOpacity;
5913 draw_info->stroke_opacity=OpaqueOpacity;
5914 draw_info->linecap=ButtCap;
5915 draw_info->linejoin=MiterJoin;
5916 draw_info->miterlimit=10;
5917 draw_info->decorate=NoDecoration;
5918 if (clone_info->font != (
char *) NULL)
5919 draw_info->font=AcquireString(clone_info->font);
5920 if (clone_info->density != (
char *) NULL)
5921 draw_info->density=AcquireString(clone_info->density);
5922 draw_info->text_antialias=clone_info->antialias;
5923 draw_info->pointsize=12.0;
5924 if (fabs(clone_info->pointsize) >= MagickEpsilon)
5925 draw_info->pointsize=clone_info->pointsize;
5926 draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
5927 draw_info->border_color=clone_info->border_color;
5928 draw_info->compose=OverCompositeOp;
5929 if (clone_info->server_name != (
char *) NULL)
5930 draw_info->server_name=AcquireString(clone_info->server_name);
5931 draw_info->render=MagickTrue;
5932 draw_info->clip_path=MagickFalse;
5933 draw_info->debug=(GetLogEventMask() & (DrawEvent | AnnotateEvent)) != 0 ?
5934 MagickTrue : MagickFalse;
5935 option=GetImageOption(clone_info,
"direction");
5936 if (option != (
const char *) NULL)
5937 draw_info->direction=(DirectionType) ParseCommandOption(
5938 MagickDirectionOptions,MagickFalse,option);
5940 draw_info->direction=UndefinedDirection;
5941 option=GetImageOption(clone_info,
"encoding");
5942 if (option != (
const char *) NULL)
5943 (void) CloneString(&draw_info->encoding,option);
5944 option=GetImageOption(clone_info,
"family");
5945 if (option != (
const char *) NULL)
5946 (void) CloneString(&draw_info->family,option);
5947 option=GetImageOption(clone_info,
"fill");
5948 if (option != (
const char *) NULL)
5949 (void) QueryColorDatabase(option,&draw_info->fill,exception);
5950 option=GetImageOption(clone_info,
"gravity");
5951 if (option != (
const char *) NULL)
5952 draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
5953 MagickFalse,option);
5954 option=GetImageOption(clone_info,
"interline-spacing");
5955 if (option != (
const char *) NULL)
5956 draw_info->interline_spacing=GetDrawValue(option,&next_token);
5957 option=GetImageOption(clone_info,
"interword-spacing");
5958 if (option != (
const char *) NULL)
5959 draw_info->interword_spacing=GetDrawValue(option,&next_token);
5960 option=GetImageOption(clone_info,
"kerning");
5961 if (option != (
const char *) NULL)
5962 draw_info->kerning=GetDrawValue(option,&next_token);
5963 option=GetImageOption(clone_info,
"stroke");
5964 if (option != (
const char *) NULL)
5965 (void) QueryColorDatabase(option,&draw_info->stroke,exception);
5966 option=GetImageOption(clone_info,
"strokewidth");
5967 if (option != (
const char *) NULL)
5968 draw_info->stroke_width=GetDrawValue(option,&next_token);
5969 option=GetImageOption(clone_info,
"style");
5970 if (option != (
const char *) NULL)
5971 draw_info->style=(StyleType) ParseCommandOption(MagickStyleOptions,
5972 MagickFalse,option);
5973 option=GetImageOption(clone_info,
"undercolor");
5974 if (option != (
const char *) NULL)
5975 (void) QueryColorDatabase(option,&draw_info->undercolor,exception);
5976 option=GetImageOption(clone_info,
"weight");
5977 if (option != (
const char *) NULL)
5982 weight=ParseCommandOption(MagickWeightOptions,MagickFalse,option);
5984 weight=(ssize_t) StringToUnsignedLong(option);
5985 draw_info->weight=(size_t) weight;
5987 exception=DestroyExceptionInfo(exception);
5988 draw_info->signature=MagickCoreSignature;
5989 clone_info=DestroyImageInfo(clone_info);
6017 static inline double Permutate(
const ssize_t n,
const ssize_t k)
6026 for (i=k+1; i <= n; i++)
6028 for (i=1; i <= (n-k); i++)
6056 center.x=0.5*(end.x+start.x);
6057 center.y=0.5*(end.y+start.y);
6058 radius.x=fabs(center.x-start.x);
6059 radius.y=fabs(center.y-start.y);
6060 return(TraceEllipse(mvg_info,center,radius,degrees));
6063 static MagickBooleanType TraceArcPath(
MVGInfo *mvg_info,
const PointInfo start,
6065 const MagickBooleanType large_arc,
const MagickBooleanType sweep)
6102 offset=mvg_info->offset;
6103 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6104 primitive_info->coordinates=0;
6105 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6106 (fabs(start.y-end.y) < MagickEpsilon))
6107 return(TracePoint(primitive_info,end));
6108 radii.x=fabs(arc.x);
6109 radii.y=fabs(arc.y);
6110 if ((radii.x < MagickEpsilon) || (radii.y < MagickEpsilon))
6111 return(TraceLine(primitive_info,start,end));
6112 cosine=cos(DegreesToRadians(fmod((
double) angle,360.0)));
6113 sine=sin(DegreesToRadians(fmod((
double) angle,360.0)));
6114 center.x=(double) (cosine*(end.x-start.x)/2+sine*(end.y-start.y)/2);
6115 center.y=(double) (cosine*(end.y-start.y)/2-sine*(end.x-start.x)/2);
6116 delta=(center.x*center.x)/(radii.x*radii.x)+(center.y*center.y)/
6118 if (delta < MagickEpsilon)
6119 return(TraceLine(primitive_info,start,end));
6122 radii.x*=sqrt((
double) delta);
6123 radii.y*=sqrt((
double) delta);
6125 points[0].x=(double) (cosine*start.x/radii.x+sine*start.y/radii.x);
6126 points[0].y=(double) (cosine*start.y/radii.y-sine*start.x/radii.y);
6127 points[1].x=(double) (cosine*end.x/radii.x+sine*end.y/radii.x);
6128 points[1].y=(double) (cosine*end.y/radii.y-sine*end.x/radii.y);
6129 alpha=points[1].x-points[0].x;
6130 beta=points[1].y-points[0].y;
6131 if (fabs(alpha*alpha+beta*beta) < MagickEpsilon)
6132 return(TraceLine(primitive_info,start,end));
6133 factor=PerceptibleReciprocal(alpha*alpha+beta*beta)-0.25;
6138 factor=sqrt((
double) factor);
6139 if (sweep == large_arc)
6142 center.x=(double) ((points[0].x+points[1].x)/2-factor*beta);
6143 center.y=(double) ((points[0].y+points[1].y)/2+factor*alpha);
6144 alpha=atan2(points[0].y-center.y,points[0].x-center.x);
6145 theta=atan2(points[1].y-center.y,points[1].x-center.x)-alpha;
6146 if ((theta < 0.0) && (sweep != MagickFalse))
6147 theta+=2.0*MagickPI;
6149 if ((theta > 0.0) && (sweep == MagickFalse))
6150 theta-=2.0*MagickPI;
6151 arc_segments=(size_t) CastDoubleToLong(ceil(fabs((
double) (theta/(0.5*
6152 MagickPI+MagickEpsilon)))));
6155 for (i=0; i < (ssize_t) arc_segments; i++)
6157 beta=0.5*((alpha+(i+1)*theta/arc_segments)-(alpha+i*theta/arc_segments));
6158 gamma=(8.0/3.0)*sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))*
6159 sin(fmod((
double) (0.5*beta),DegreesToRadians(360.0)))/
6160 sin(fmod((
double) beta,DegreesToRadians(360.0)));
6161 points[0].x=(double) (center.x+cos(fmod((
double) (alpha+(
double) i*theta/
6162 arc_segments),DegreesToRadians(360.0)))-gamma*sin(fmod((
double) (alpha+
6163 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6164 points[0].y=(double) (center.y+sin(fmod((
double) (alpha+(
double) i*theta/
6165 arc_segments),DegreesToRadians(360.0)))+gamma*cos(fmod((
double) (alpha+
6166 (
double) i*theta/arc_segments),DegreesToRadians(360.0))));
6167 points[2].x=(double) (center.x+cos(fmod((
double) (alpha+(double) (i+1)*
6168 theta/arc_segments),DegreesToRadians(360.0))));
6169 points[2].y=(double) (center.y+sin(fmod((
double) (alpha+(double) (i+1)*
6170 theta/arc_segments),DegreesToRadians(360.0))));
6171 points[1].x=(double) (points[2].x+gamma*sin(fmod((
double) (alpha+(double)
6172 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6173 points[1].y=(double) (points[2].y-gamma*cos(fmod((
double) (alpha+(double)
6174 (i+1)*theta/arc_segments),DegreesToRadians(360.0))));
6175 p->point.x=(p == primitive_info) ? start.x : (p-1)->point.x;
6176 p->point.y=(p == primitive_info) ? start.y : (p-1)->point.y;
6177 (p+1)->point.x=(
double) (cosine*radii.x*points[0].x-sine*radii.y*
6179 (p+1)->point.y=(
double) (sine*radii.x*points[0].x+cosine*radii.y*
6181 (p+2)->point.x=(
double) (cosine*radii.x*points[1].x-sine*radii.y*
6183 (p+2)->point.y=(
double) (sine*radii.x*points[1].x+cosine*radii.y*
6185 (p+3)->point.x=(
double) (cosine*radii.x*points[2].x-sine*radii.y*
6187 (p+3)->point.y=(
double) (sine*radii.x*points[2].x+cosine*radii.y*
6189 if (i == (ssize_t) (arc_segments-1))
6191 status&=TraceBezier(mvg_info,4);
6194 p=(*mvg_info->primitive_info)+mvg_info->offset;
6195 mvg_info->offset+=p->coordinates;
6199 return(MagickFalse);
6200 mvg_info->offset=offset;
6201 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6202 primitive_info->coordinates=(
size_t) (p-primitive_info);
6203 primitive_info->closed_subpath=MagickFalse;
6204 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6206 p->primitive=primitive_info->primitive;
6212 static MagickBooleanType TraceBezier(
MVGInfo *mvg_info,
6213 const size_t number_coordinates)
6242 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6243 quantum=number_coordinates;
6244 for (i=0; i < (ssize_t) number_coordinates; i++)
6246 for (j=i+1; j < (ssize_t) number_coordinates; j++)
6248 alpha=fabs(primitive_info[j].point.x-primitive_info[i].point.x);
6249 if (alpha > (
double) MAGICK_SSIZE_MAX)
6251 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6252 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6253 return(MagickFalse);
6255 if (alpha > (
double) quantum)
6256 quantum=(
size_t) alpha;
6257 alpha=fabs(primitive_info[j].point.y-primitive_info[i].point.y);
6258 if (alpha > (
double) MAGICK_SSIZE_MAX)
6260 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6261 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6262 return(MagickFalse);
6264 if (alpha > (
double) quantum)
6265 quantum=(
size_t) alpha;
6268 coefficients=(
double *) AcquireQuantumMemory(number_coordinates,
6269 sizeof(*coefficients));
6270 quantum=MagickMin(quantum/number_coordinates,BezierQuantum);
6271 points=(
PointInfo *) AcquireQuantumMemory(quantum,number_coordinates*
6273 if ((coefficients == (
double *) NULL) || (points == (
PointInfo *) NULL))
6276 points=(
PointInfo *) RelinquishMagickMemory(points);
6277 if (coefficients != (
double *) NULL)
6278 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6279 (void) ThrowMagickException(mvg_info->exception,GetMagickModule(),
6280 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
6281 return(MagickFalse);
6283 control_points=quantum*number_coordinates;
6284 if (CheckPrimitiveExtent(mvg_info,(
double) control_points+1) == MagickFalse)
6286 points=(
PointInfo *) RelinquishMagickMemory(points);
6287 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6288 return(MagickFalse);
6290 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6294 end=primitive_info[number_coordinates-1].point;
6295 for (i=0; i < (ssize_t) number_coordinates; i++)
6296 coefficients[i]=Permutate((ssize_t) number_coordinates-1,i);
6298 for (i=0; i < (ssize_t) control_points; i++)
6303 alpha=pow((
double) (1.0-weight),(
double) number_coordinates-1.0);
6304 for (j=0; j < (ssize_t) number_coordinates; j++)
6306 point.x+=alpha*coefficients[j]*p->point.x;
6307 point.y+=alpha*coefficients[j]*p->point.y;
6308 alpha*=weight/(1.0-weight);
6312 weight+=1.0/control_points;
6318 for (i=0; i < (ssize_t) control_points; i++)
6320 if (TracePoint(p,points[i]) == MagickFalse)
6322 points=(
PointInfo *) RelinquishMagickMemory(points);
6323 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6324 return(MagickFalse);
6328 if (TracePoint(p,end) == MagickFalse)
6330 points=(
PointInfo *) RelinquishMagickMemory(points);
6331 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6332 return(MagickFalse);
6335 primitive_info->coordinates=(size_t) (p-primitive_info);
6336 primitive_info->closed_subpath=MagickFalse;
6337 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6339 p->primitive=primitive_info->primitive;
6342 points=(
PointInfo *) RelinquishMagickMemory(points);
6343 coefficients=(
double *) RelinquishMagickMemory(coefficients);
6347 static MagickBooleanType TraceCircle(
MVGInfo *mvg_info,
const PointInfo start,
6359 alpha=end.x-start.x;
6361 radius=hypot((
double) alpha,(
double) beta);
6362 offset.x=(double) radius;
6363 offset.y=(double) radius;
6366 return(TraceEllipse(mvg_info,start,offset,degrees));
6369 static MagickBooleanType TraceEllipse(
MVGInfo *mvg_info,
const PointInfo center,
6395 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6396 primitive_info->coordinates=0;
6397 if ((fabs(radii.x) < MagickEpsilon) || (fabs(radii.y) < MagickEpsilon))
6399 delta=2.0*PerceptibleReciprocal(MagickMax(radii.x,radii.y));
6401 if ((delta >= 0.0) && (delta < (MagickPI/8.0)))
6402 step=MagickPI/4.0/(MagickPI*PerceptibleReciprocal(delta)/2.0);
6403 angle.x=DegreesToRadians(arc.x);
6407 angle.y=DegreesToRadians(y);
6408 coordinates=ceil((angle.y-angle.x)/step+1.0);
6409 if (CheckPrimitiveExtent(mvg_info,coordinates) == MagickFalse)
6410 return(MagickFalse);
6411 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6412 for (p=primitive_info; angle.x < angle.y; angle.x+=step)
6414 point.x=cos(fmod(angle.x,DegreesToRadians(360.0)))*radii.x+center.x;
6415 point.y=sin(fmod(angle.x,DegreesToRadians(360.0)))*radii.y+center.y;
6416 if (TracePoint(p,point) == MagickFalse)
6417 return(MagickFalse);
6420 point.x=cos(fmod(angle.y,DegreesToRadians(360.0)))*radii.x+center.x;
6421 point.y=sin(fmod(angle.y,DegreesToRadians(360.0)))*radii.y+center.y;
6422 if (TracePoint(p,point) == MagickFalse)
6423 return(MagickFalse);
6425 primitive_info->coordinates=(size_t) (p-primitive_info);
6426 primitive_info->closed_subpath=MagickFalse;
6427 x=fabs(primitive_info[0].point.x-
6428 primitive_info[primitive_info->coordinates-1].point.x);
6429 y=fabs(primitive_info[0].point.y-
6430 primitive_info[primitive_info->coordinates-1].point.y);
6431 if ((x < MagickEpsilon) && (y < MagickEpsilon))
6432 primitive_info->closed_subpath=MagickTrue;
6433 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
6435 p->primitive=primitive_info->primitive;
6441 static MagickBooleanType TraceLine(
PrimitiveInfo *primitive_info,
6444 if (TracePoint(primitive_info,start) == MagickFalse)
6445 return(MagickFalse);
6446 if ((fabs(start.x-end.x) < MagickEpsilon) &&
6447 (fabs(start.y-end.y) < MagickEpsilon))
6449 primitive_info->primitive=PointPrimitive;
6450 primitive_info->coordinates=1;
6453 if (TracePoint(primitive_info+1,end) == MagickFalse)
6454 return(MagickFalse);
6455 (primitive_info+1)->primitive=primitive_info->primitive;
6456 primitive_info->coordinates=2;
6457 primitive_info->closed_subpath=MagickFalse;
6461 static ssize_t TracePath(
Image *image,
MVGInfo *mvg_info,
const char *path)
6465 token[MaxTextExtent] =
"";
6483 points[4] = { {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0} },
6506 subpath_offset=mvg_info->offset;
6507 primitive_info=(*mvg_info->primitive_info)+mvg_info->offset;
6510 number_coordinates=0;
6513 primitive_type=primitive_info->primitive;
6515 for (p=path; *p !=
'\0'; )
6517 if (status == MagickFalse)
6519 while (isspace((
int) ((
unsigned char) *p)) != 0)
6523 last_attribute=attribute;
6524 attribute=(int) (*p++);
6534 large_arc = MagickFalse,
6535 sweep = MagickFalse;
6545 (void) GetNextToken(p,&p,MaxTextExtent,token);
6547 (void) GetNextToken(p,&p,MaxTextExtent,token);
6548 arc.x=GetDrawValue(token,&next_token);
6549 if (token == next_token)
6550 ThrowPointExpectedException(image,token);
6551 (void) GetNextToken(p,&p,MaxTextExtent,token);
6553 (void) GetNextToken(p,&p,MaxTextExtent,token);
6554 arc.y=GetDrawValue(token,&next_token);
6555 if (token == next_token)
6556 ThrowPointExpectedException(image,token);
6557 (void) GetNextToken(p,&p,MaxTextExtent,token);
6559 (void) GetNextToken(p,&p,MaxTextExtent,token);
6560 angle=GetDrawValue(token,&next_token);
6561 if (token == next_token)
6562 ThrowPointExpectedException(image,token);
6563 (void) GetNextToken(p,&p,MaxTextExtent,token);
6565 (void) GetNextToken(p,&p,MaxTextExtent,token);
6566 large_arc=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6567 (void) GetNextToken(p,&p,MaxTextExtent,token);
6569 (void) GetNextToken(p,&p,MaxTextExtent,token);
6570 sweep=StringToLong(token) != 0 ? MagickTrue : MagickFalse;
6572 (void) GetNextToken(p,&p,MaxTextExtent,token);
6573 (void) GetNextToken(p,&p,MaxTextExtent,token);
6575 (void) GetNextToken(p,&p,MaxTextExtent,token);
6576 x=GetDrawValue(token,&next_token);
6577 if (token == next_token)
6578 ThrowPointExpectedException(image,token);
6579 (void) GetNextToken(p,&p,MaxTextExtent,token);
6581 (void) GetNextToken(p,&p,MaxTextExtent,token);
6582 y=GetDrawValue(token,&next_token);
6583 if (token == next_token)
6584 ThrowPointExpectedException(image,token);
6585 end.x=(double) (attribute == (
int)
'A' ? x : point.x+x);
6586 end.y=(double) (attribute == (
int)
'A' ? y : point.y+y);
6587 status&=TraceArcPath(mvg_info,point,end,arc,angle,large_arc,sweep);
6588 q=(*mvg_info->primitive_info)+mvg_info->offset;
6589 mvg_info->offset+=q->coordinates;
6592 while (isspace((
int) ((
unsigned char) *p)) != 0)
6596 }
while (IsPoint(p) != MagickFalse);
6608 for (i=1; i < 4; i++)
6610 (void) GetNextToken(p,&p,MaxTextExtent,token);
6612 (void) GetNextToken(p,&p,MaxTextExtent,token);
6613 x=GetDrawValue(token,&next_token);
6614 if (token == next_token)
6615 ThrowPointExpectedException(image,token);
6616 (void) GetNextToken(p,&p,MaxTextExtent,token);
6618 (void) GetNextToken(p,&p,MaxTextExtent,token);
6619 y=GetDrawValue(token,&next_token);
6620 if (token == next_token)
6621 ThrowPointExpectedException(image,token);
6622 end.x=(double) (attribute == (
int)
'C' ? x : point.x+x);
6623 end.y=(double) (attribute == (
int)
'C' ? y : point.y+y);
6626 for (i=0; i < 4; i++)
6627 (q+i)->point=points[i];
6628 if (TraceBezier(mvg_info,4) == MagickFalse)
6630 q=(*mvg_info->primitive_info)+mvg_info->offset;
6631 mvg_info->offset+=q->coordinates;
6634 while (isspace((
int) ((
unsigned char) *p)) != 0)
6638 }
while (IsPoint(p) != MagickFalse);
6646 (void) GetNextToken(p,&p,MaxTextExtent,token);
6648 (void) GetNextToken(p,&p,MaxTextExtent,token);
6649 x=GetDrawValue(token,&next_token);
6650 if (token == next_token)
6651 ThrowPointExpectedException(image,token);
6652 point.x=(double) (attribute == (
int)
'H' ? x: point.x+x);
6653 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6655 q=(*mvg_info->primitive_info)+mvg_info->offset;
6656 if (TracePoint(q,point) == MagickFalse)
6658 mvg_info->offset+=q->coordinates;
6660 while (isspace((
int) ((
unsigned char) *p)) != 0)
6664 }
while (IsPoint(p) != MagickFalse);
6675 (void) GetNextToken(p,&p,MaxTextExtent,token);
6677 (void) GetNextToken(p,&p,MaxTextExtent,token);
6678 x=GetDrawValue(token,&next_token);
6679 if (token == next_token)
6680 ThrowPointExpectedException(image,token);
6681 (void) GetNextToken(p,&p,MaxTextExtent,token);
6683 (void) GetNextToken(p,&p,MaxTextExtent,token);
6684 y=GetDrawValue(token,&next_token);
6685 if (token == next_token)
6686 ThrowPointExpectedException(image,token);
6687 point.x=(double) (attribute == (
int)
'L' ? x : point.x+x);
6688 point.y=(double) (attribute == (
int)
'L' ? y : point.y+y);
6689 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6691 q=(*mvg_info->primitive_info)+mvg_info->offset;
6692 if (TracePoint(q,point) == MagickFalse)
6694 mvg_info->offset+=q->coordinates;
6696 while (isspace((
int) ((
unsigned char) *p)) != 0)
6700 }
while (IsPoint(p) != MagickFalse);
6709 if (mvg_info->offset != subpath_offset)
6711 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6712 primitive_info->coordinates=(size_t) (q-primitive_info);
6713 number_coordinates+=primitive_info->coordinates;
6715 subpath_offset=mvg_info->offset;
6720 (void) GetNextToken(p,&p,MaxTextExtent,token);
6722 (void) GetNextToken(p,&p,MaxTextExtent,token);
6723 x=GetDrawValue(token,&next_token);
6724 if (token == next_token)
6725 ThrowPointExpectedException(image,token);
6726 (void) GetNextToken(p,&p,MaxTextExtent,token);
6728 (void) GetNextToken(p,&p,MaxTextExtent,token);
6729 y=GetDrawValue(token,&next_token);
6730 if (token == next_token)
6731 ThrowPointExpectedException(image,token);
6732 point.x=(double) (attribute == (
int)
'M' ? x : point.x+x);
6733 point.y=(double) (attribute == (
int)
'M' ? y : point.y+y);
6737 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6739 q=(*mvg_info->primitive_info)+mvg_info->offset;
6740 if (TracePoint(q,point) == MagickFalse)
6742 mvg_info->offset+=q->coordinates;
6744 while (isspace((
int) ((
unsigned char) *p)) != 0)
6748 }
while (IsPoint(p) != MagickFalse);
6760 for (i=1; i < 3; i++)
6762 (void) GetNextToken(p,&p,MaxTextExtent,token);
6764 (void) GetNextToken(p,&p,MaxTextExtent,token);
6765 x=GetDrawValue(token,&next_token);
6766 if (token == next_token)
6767 ThrowPointExpectedException(image,token);
6768 (void) GetNextToken(p,&p,MaxTextExtent,token);
6770 (void) GetNextToken(p,&p,MaxTextExtent,token);
6771 y=GetDrawValue(token,&next_token);
6772 if (token == next_token)
6773 ThrowPointExpectedException(image,token);
6776 end.x=(double) (attribute == (
int)
'Q' ? x : point.x+x);
6777 end.y=(double) (attribute == (
int)
'Q' ? y : point.y+y);
6780 for (i=0; i < 3; i++)
6781 (q+i)->point=points[i];
6782 if (TraceBezier(mvg_info,3) == MagickFalse)
6784 q=(*mvg_info->primitive_info)+mvg_info->offset;
6785 mvg_info->offset+=q->coordinates;
6788 while (isspace((
int) ((
unsigned char) *p)) != 0)
6792 }
while (IsPoint(p) != MagickFalse);
6803 points[0]=points[3];
6804 points[1].x=2.0*points[3].x-points[2].x;
6805 points[1].y=2.0*points[3].y-points[2].y;
6806 for (i=2; i < 4; i++)
6808 (void) GetNextToken(p,&p,MaxTextExtent,token);
6810 (void) GetNextToken(p,&p,MaxTextExtent,token);
6811 x=GetDrawValue(token,&next_token);
6812 if (token == next_token)
6813 ThrowPointExpectedException(image,token);
6814 (void) GetNextToken(p,&p,MaxTextExtent,token);
6816 (void) GetNextToken(p,&p,MaxTextExtent,token);
6817 y=GetDrawValue(token,&next_token);
6818 if (token == next_token)
6819 ThrowPointExpectedException(image,token);
6822 end.x=(double) (attribute == (
int)
'S' ? x : point.x+x);
6823 end.y=(double) (attribute == (
int)
'S' ? y : point.y+y);
6826 if (strchr(
"CcSs",last_attribute) == (
char *) NULL)
6831 for (i=0; i < 4; i++)
6832 (q+i)->point=points[i];
6833 if (TraceBezier(mvg_info,4) == MagickFalse)
6835 q=(*mvg_info->primitive_info)+mvg_info->offset;
6836 mvg_info->offset+=q->coordinates;
6839 last_attribute=attribute;
6840 while (isspace((
int) ((
unsigned char) *p)) != 0)
6844 }
while (IsPoint(p) != MagickFalse);
6855 points[0]=points[2];
6856 points[1].x=2.0*points[2].x-points[1].x;
6857 points[1].y=2.0*points[2].y-points[1].y;
6858 for (i=2; i < 3; i++)
6860 (void) GetNextToken(p,&p,MaxTextExtent,token);
6862 (void) GetNextToken(p,&p,MaxTextExtent,token);
6863 x=GetDrawValue(token,&next_token);
6864 if (token == next_token)
6865 ThrowPointExpectedException(image,token);
6866 (void) GetNextToken(p,&p,MaxTextExtent,token);
6868 (void) GetNextToken(p,&p,MaxTextExtent,token);
6869 y=GetDrawValue(token,&next_token);
6870 if (token == next_token)
6871 ThrowPointExpectedException(image,token);
6872 end.x=(double) (attribute == (
int)
'T' ? x : point.x+x);
6873 end.y=(double) (attribute == (
int)
'T' ? y : point.y+y);
6876 if (status == MagickFalse)
6878 if (strchr(
"QqTt",last_attribute) == (
char *) NULL)
6883 for (i=0; i < 3; i++)
6884 (q+i)->point=points[i];
6885 if (TraceBezier(mvg_info,3) == MagickFalse)
6887 q=(*mvg_info->primitive_info)+mvg_info->offset;
6888 mvg_info->offset+=q->coordinates;
6891 last_attribute=attribute;
6892 while (isspace((
int) ((
unsigned char) *p)) != 0)
6896 }
while (IsPoint(p) != MagickFalse);
6907 (void) GetNextToken(p,&p,MaxTextExtent,token);
6909 (void) GetNextToken(p,&p,MaxTextExtent,token);
6910 y=GetDrawValue(token,&next_token);
6911 if (token == next_token)
6912 ThrowPointExpectedException(image,token);
6913 point.y=(double) (attribute == (
int)
'V' ? y : point.y+y);
6914 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
6916 q=(*mvg_info->primitive_info)+mvg_info->offset;
6917 if (TracePoint(q,point) == MagickFalse)
6919 mvg_info->offset+=q->coordinates;
6921 while (isspace((
int) ((
unsigned char) *p)) != 0)
6925 }
while (IsPoint(p) != MagickFalse);
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 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6943 primitive_info->coordinates=(size_t) (q-primitive_info);
6944 primitive_info->closed_subpath=MagickTrue;
6945 number_coordinates+=primitive_info->coordinates;
6947 subpath_offset=mvg_info->offset;
6953 ThrowPointExpectedException(image,token);
6958 if (status == MagickFalse)
6960 primitive_info=(*mvg_info->primitive_info)+subpath_offset;
6961 primitive_info->coordinates=(size_t) (q-primitive_info);
6962 number_coordinates+=primitive_info->coordinates;
6963 for (i=0; i < (ssize_t) number_coordinates; i++)
6966 q->primitive=primitive_type;
6968 q->method=FillToBorderMethod;
6971 return((ssize_t) number_coordinates);
6974 static MagickBooleanType TraceRectangle(
PrimitiveInfo *primitive_info,
6987 if (TracePoint(p,start) == MagickFalse)
6988 return(MagickFalse);
6992 if (TracePoint(p,point) == MagickFalse)
6993 return(MagickFalse);
6995 if (TracePoint(p,end) == MagickFalse)
6996 return(MagickFalse);
7000 if (TracePoint(p,point) == MagickFalse)
7001 return(MagickFalse);
7003 if (TracePoint(p,start) == MagickFalse)
7004 return(MagickFalse);
7006 primitive_info->coordinates=(size_t) (p-primitive_info);
7007 primitive_info->closed_subpath=MagickTrue;
7008 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7010 p->primitive=primitive_info->primitive;
7016 static MagickBooleanType TraceRoundRectangle(
MVGInfo *mvg_info,
7036 offset=mvg_info->offset;
7037 segment.x=fabs(end.x-start.x);
7038 segment.y=fabs(end.y-start.y);
7039 if ((segment.x < MagickEpsilon) || (segment.y < MagickEpsilon))
7041 (*mvg_info->primitive_info+mvg_info->offset)->coordinates=0;
7044 if (arc.x > (0.5*segment.x))
7045 arc.x=0.5*segment.x;
7046 if (arc.y > (0.5*segment.y))
7047 arc.y=0.5*segment.y;
7048 point.x=start.x+segment.x-arc.x;
7049 point.y=start.y+arc.y;
7052 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7053 return(MagickFalse);
7054 p=(*mvg_info->primitive_info)+mvg_info->offset;
7055 mvg_info->offset+=p->coordinates;
7056 point.x=start.x+segment.x-arc.x;
7057 point.y=start.y+segment.y-arc.y;
7060 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7061 return(MagickFalse);
7062 p=(*mvg_info->primitive_info)+mvg_info->offset;
7063 mvg_info->offset+=p->coordinates;
7064 point.x=start.x+arc.x;
7065 point.y=start.y+segment.y-arc.y;
7068 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7069 return(MagickFalse);
7070 p=(*mvg_info->primitive_info)+mvg_info->offset;
7071 mvg_info->offset+=p->coordinates;
7072 point.x=start.x+arc.x;
7073 point.y=start.y+arc.y;
7076 if (TraceEllipse(mvg_info,point,arc,degrees) == MagickFalse)
7077 return(MagickFalse);
7078 p=(*mvg_info->primitive_info)+mvg_info->offset;
7079 mvg_info->offset+=p->coordinates;
7080 if (CheckPrimitiveExtent(mvg_info,PrimitiveExtentPad) == MagickFalse)
7081 return(MagickFalse);
7082 p=(*mvg_info->primitive_info)+mvg_info->offset;
7083 if (TracePoint(p,(*mvg_info->primitive_info+offset)->point) == MagickFalse)
7084 return(MagickFalse);
7086 mvg_info->offset=offset;
7087 primitive_info=(*mvg_info->primitive_info)+offset;
7088 primitive_info->coordinates=(size_t) (p-primitive_info);
7089 primitive_info->closed_subpath=MagickTrue;
7090 for (i=0; i < (ssize_t) primitive_info->coordinates; i++)
7092 p->primitive=primitive_info->primitive;
7098 static MagickBooleanType TraceSquareLinecap(
PrimitiveInfo *primitive_info,
7099 const size_t number_vertices,
const double offset)
7116 for (i=1; i < (ssize_t) number_vertices; i++)
7118 dx=primitive_info[0].point.x-primitive_info[i].point.x;
7119 dy=primitive_info[0].point.y-primitive_info[i].point.y;
7120 if ((fabs((
double) dx) >= MagickEpsilon) ||
7121 (fabs((
double) dy) >= MagickEpsilon))
7124 if (i == (ssize_t) number_vertices)
7125 i=(ssize_t) number_vertices-1L;
7126 distance=hypot((
double) dx,(
double) dy);
7127 primitive_info[0].point.x=(double) (primitive_info[i].point.x+
7128 dx*(distance+offset)/distance);
7129 primitive_info[0].point.y=(double) (primitive_info[i].point.y+
7130 dy*(distance+offset)/distance);
7131 for (j=(ssize_t) number_vertices-2; j >= 0; j--)
7133 dx=primitive_info[number_vertices-1].point.x-primitive_info[j].point.x;
7134 dy=primitive_info[number_vertices-1].point.y-primitive_info[j].point.y;
7135 if ((fabs((
double) dx) >= MagickEpsilon) ||
7136 (fabs((
double) dy) >= MagickEpsilon))
7139 distance=hypot((
double) dx,(
double) dy);
7140 primitive_info[number_vertices-1].point.x=(double) (primitive_info[j].point.x+
7141 dx*(distance+offset)/distance);
7142 primitive_info[number_vertices-1].point.y=(double) (primitive_info[j].point.y+
7143 dy*(distance+offset)/distance);
7150 #define MaxStrokePad (6*BezierQuantum+360)
7151 #define CheckPathExtent(pad_p,pad_q) \
7153 if ((pad_p) > MaxBezierCoordinates) \
7154 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7156 if ((ssize_t) (p+(pad_p)) >= (ssize_t) extent_p) \
7158 if (~extent_p < (pad_p)) \
7159 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7162 extent_p+=(pad_p); \
7163 stroke_p=(PointInfo *) ResizeQuantumMemory(stroke_p,extent_p+ \
7164 MaxStrokePad,sizeof(*stroke_p)); \
7167 if ((pad_q) > MaxBezierCoordinates) \
7168 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7170 if ((ssize_t) (q+(pad_q)) >= (ssize_t) extent_q) \
7172 if (~extent_q < (pad_q)) \
7173 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7176 extent_q+=(pad_q); \
7177 stroke_q=(PointInfo *) ResizeQuantumMemory(stroke_q,extent_q+ \
7178 MaxStrokePad,sizeof(*stroke_q)); \
7181 if ((stroke_p == (PointInfo *) NULL) || (stroke_q == (PointInfo *) NULL)) \
7183 if (stroke_p != (PointInfo *) NULL) \
7184 stroke_p=(PointInfo *) RelinquishMagickMemory(stroke_p); \
7185 if (stroke_q != (PointInfo *) NULL) \
7186 stroke_q=(PointInfo *) RelinquishMagickMemory(stroke_q); \
7187 polygon_primitive=(PrimitiveInfo *) \
7188 RelinquishMagickMemory(polygon_primitive); \
7189 (void) ThrowMagickException(exception,GetMagickModule(), \
7190 ResourceLimitError,"MemoryAllocationFailed","`%s'",""); \
7191 return((PrimitiveInfo *) NULL); \
7195 typedef struct _StrokeSegment
7241 inverse_slope = {0.0, 0.0},
7248 number_vertices=primitive_info->coordinates;
7249 polygon_primitive=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7250 number_vertices+2UL,
sizeof(*polygon_primitive));
7253 (void) ThrowMagickException(exception,GetMagickModule(),
7254 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7257 (void) memcpy(polygon_primitive,primitive_info,(
size_t) number_vertices*
7258 sizeof(*polygon_primitive));
7259 offset.x=primitive_info[number_vertices-1].point.x-primitive_info[0].point.x;
7260 offset.y=primitive_info[number_vertices-1].point.y-primitive_info[0].point.y;
7261 closed_path=(fabs(offset.x) < MagickEpsilon) &&
7262 (fabs(offset.y) < MagickEpsilon) ? MagickTrue : MagickFalse;
7263 if (((draw_info->linejoin == RoundJoin) ||
7264 (draw_info->linejoin == MiterJoin)) && (closed_path != MagickFalse))
7266 polygon_primitive[number_vertices]=primitive_info[1];
7269 polygon_primitive[number_vertices].primitive=UndefinedPrimitive;
7275 for (n=1; n < (ssize_t) number_vertices; n++)
7277 dx.p=polygon_primitive[n].point.x-polygon_primitive[0].point.x;
7278 dy.p=polygon_primitive[n].point.y-polygon_primitive[0].point.y;
7279 if ((fabs(dx.p) >= MagickEpsilon) || (fabs(dy.p) >= MagickEpsilon))
7282 if (n == (ssize_t) number_vertices)
7284 if ((draw_info->linecap != RoundCap) || (closed_path != MagickFalse))
7290 sizeof(*stroke_polygon));
7291 stroke_polygon[0]=polygon_primitive[0];
7292 stroke_polygon[0].coordinates=0;
7295 return(stroke_polygon);
7297 n=(ssize_t) number_vertices-1L;
7299 extent_p=2*number_vertices;
7300 extent_q=2*number_vertices;
7301 stroke_p=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_p+MaxStrokePad,
7303 stroke_q=(
PointInfo *) AcquireQuantumMemory((
size_t) extent_q+MaxStrokePad,
7308 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7310 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7312 RelinquishMagickMemory(polygon_primitive);
7313 (void) ThrowMagickException(exception,GetMagickModule(),
7314 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7318 inverse_slope.p=0.0;
7319 if (fabs(dx.p) < MagickEpsilon)
7322 slope.p=dy.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7324 slope.p=dy.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7327 if (fabs(dy.p) < MagickEpsilon)
7330 inverse_slope.p=dx.p < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7332 inverse_slope.p=dx.p < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7337 inverse_slope.p=(-1.0*PerceptibleReciprocal(slope.p));
7339 mid=ExpandAffine(&draw_info->affine)*draw_info->stroke_width/2.0;
7340 miterlimit=(double) (draw_info->miterlimit*draw_info->miterlimit*mid*mid);
7341 if ((draw_info->linecap == SquareCap) && (closed_path == MagickFalse))
7342 (void) TraceSquareLinecap(polygon_primitive,number_vertices,mid);
7343 offset.x=sqrt((
double) (mid*mid/(inverse_slope.p*inverse_slope.p+1.0)));
7344 offset.y=(double) (offset.x*inverse_slope.p);
7345 if ((dy.p*offset.x-dx.p*offset.y) > 0.0)
7347 box_p[0].x=polygon_primitive[0].point.x-offset.x;
7348 box_p[0].y=polygon_primitive[0].point.y-offset.x*inverse_slope.p;
7349 box_p[1].x=polygon_primitive[n].point.x-offset.x;
7350 box_p[1].y=polygon_primitive[n].point.y-offset.x*inverse_slope.p;
7351 box_q[0].x=polygon_primitive[0].point.x+offset.x;
7352 box_q[0].y=polygon_primitive[0].point.y+offset.x*inverse_slope.p;
7353 box_q[1].x=polygon_primitive[n].point.x+offset.x;
7354 box_q[1].y=polygon_primitive[n].point.y+offset.x*inverse_slope.p;
7358 box_p[0].x=polygon_primitive[0].point.x+offset.x;
7359 box_p[0].y=polygon_primitive[0].point.y+offset.y;
7360 box_p[1].x=polygon_primitive[n].point.x+offset.x;
7361 box_p[1].y=polygon_primitive[n].point.y+offset.y;
7362 box_q[0].x=polygon_primitive[0].point.x-offset.x;
7363 box_q[0].y=polygon_primitive[0].point.y-offset.y;
7364 box_q[1].x=polygon_primitive[n].point.x-offset.x;
7365 box_q[1].y=polygon_primitive[n].point.y-offset.y;
7372 stroke_q[p++]=box_q[0];
7373 stroke_p[q++]=box_p[0];
7374 for (i=(ssize_t) n+1; i < (ssize_t) number_vertices; i++)
7379 dx.q=polygon_primitive[i].point.x-polygon_primitive[n].point.x;
7380 dy.q=polygon_primitive[i].point.y-polygon_primitive[n].point.y;
7381 dot_product=dx.q*dx.q+dy.q*dy.q;
7382 if (dot_product < 0.25)
7385 inverse_slope.q=0.0;
7386 if (fabs(dx.q) < MagickEpsilon)
7389 slope.q=dy.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7391 slope.q=dy.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7394 if (fabs(dy.q) < MagickEpsilon)
7397 inverse_slope.q=dx.q < 0.0 ? -1.0/MagickEpsilon : 1.0/MagickEpsilon;
7399 inverse_slope.q=dx.q < 0.0 ? 1.0/MagickEpsilon : -1.0/MagickEpsilon;
7404 inverse_slope.q=(-1.0*PerceptibleReciprocal(slope.q));
7406 offset.x=sqrt((
double) (mid*mid/(inverse_slope.q*inverse_slope.q+1.0)));
7407 offset.y=(double) (offset.x*inverse_slope.q);
7408 dot_product=dy.q*offset.x-dx.q*offset.y;
7409 if (dot_product > 0.0)
7411 box_p[2].x=polygon_primitive[n].point.x-offset.x;
7412 box_p[2].y=polygon_primitive[n].point.y-offset.y;
7413 box_p[3].x=polygon_primitive[i].point.x-offset.x;
7414 box_p[3].y=polygon_primitive[i].point.y-offset.y;
7415 box_q[2].x=polygon_primitive[n].point.x+offset.x;
7416 box_q[2].y=polygon_primitive[n].point.y+offset.y;
7417 box_q[3].x=polygon_primitive[i].point.x+offset.x;
7418 box_q[3].y=polygon_primitive[i].point.y+offset.y;
7422 box_p[2].x=polygon_primitive[n].point.x+offset.x;
7423 box_p[2].y=polygon_primitive[n].point.y+offset.y;
7424 box_p[3].x=polygon_primitive[i].point.x+offset.x;
7425 box_p[3].y=polygon_primitive[i].point.y+offset.y;
7426 box_q[2].x=polygon_primitive[n].point.x-offset.x;
7427 box_q[2].y=polygon_primitive[n].point.y-offset.y;
7428 box_q[3].x=polygon_primitive[i].point.x-offset.x;
7429 box_q[3].y=polygon_primitive[i].point.y-offset.y;
7431 if (fabs((
double) (slope.p-slope.q)) < MagickEpsilon)
7438 box_p[4].x=(double) ((slope.p*box_p[0].x-box_p[0].y-slope.q*box_p[3].x+
7439 box_p[3].y)/(slope.p-slope.q));
7440 box_p[4].y=(double) (slope.p*(box_p[4].x-box_p[0].x)+box_p[0].y);
7441 box_q[4].x=(double) ((slope.p*box_q[0].x-box_q[0].y-slope.q*box_q[3].x+
7442 box_q[3].y)/(slope.p-slope.q));
7443 box_q[4].y=(double) (slope.p*(box_q[4].x-box_q[0].x)+box_q[0].y);
7445 CheckPathExtent(MaxStrokePad,MaxStrokePad);
7446 dot_product=dx.q*dy.p-dx.p*dy.q;
7447 if (dot_product <= 0.0)
7448 switch (draw_info->linejoin)
7452 stroke_q[q++]=box_q[1];
7453 stroke_q[q++]=box_q[2];
7454 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7455 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7456 if (dot_product <= miterlimit)
7457 stroke_p[p++]=box_p[4];
7460 stroke_p[p++]=box_p[1];
7461 stroke_p[p++]=box_p[2];
7467 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7468 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7469 if (dot_product <= miterlimit)
7471 stroke_q[q++]=box_q[4];
7472 stroke_p[p++]=box_p[4];
7476 stroke_q[q++]=box_q[1];
7477 stroke_q[q++]=box_q[2];
7478 stroke_p[p++]=box_p[1];
7479 stroke_p[p++]=box_p[2];
7485 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7486 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7487 if (dot_product <= miterlimit)
7488 stroke_p[p++]=box_p[4];
7491 stroke_p[p++]=box_p[1];
7492 stroke_p[p++]=box_p[2];
7494 center=polygon_primitive[n].point;
7495 theta.p=atan2(box_q[1].y-center.y,box_q[1].x-center.x);
7496 theta.q=atan2(box_q[2].y-center.y,box_q[2].x-center.x);
7497 if (theta.q < theta.p)
7498 theta.q+=2.0*MagickPI;
7499 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.q-
7500 theta.p)/(2.0*sqrt(PerceptibleReciprocal(mid))))));
7501 CheckPathExtent(MaxStrokePad,arc_segments+MaxStrokePad);
7502 stroke_q[q].x=box_q[1].x;
7503 stroke_q[q].y=box_q[1].y;
7505 for (j=1; j < (ssize_t) arc_segments; j++)
7507 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7508 stroke_q[q].x=(double) (center.x+mid*cos(fmod((
double)
7509 (theta.p+delta_theta),DegreesToRadians(360.0))));
7510 stroke_q[q].y=(double) (center.y+mid*sin(fmod((
double)
7511 (theta.p+delta_theta),DegreesToRadians(360.0))));
7514 stroke_q[q++]=box_q[2];
7521 switch (draw_info->linejoin)
7525 stroke_p[p++]=box_p[1];
7526 stroke_p[p++]=box_p[2];
7527 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7528 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7529 if (dot_product <= miterlimit)
7530 stroke_q[q++]=box_q[4];
7533 stroke_q[q++]=box_q[1];
7534 stroke_q[q++]=box_q[2];
7540 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7541 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7542 if (dot_product <= miterlimit)
7544 stroke_q[q++]=box_q[4];
7545 stroke_p[p++]=box_p[4];
7549 stroke_q[q++]=box_q[1];
7550 stroke_q[q++]=box_q[2];
7551 stroke_p[p++]=box_p[1];
7552 stroke_p[p++]=box_p[2];
7558 dot_product=(box_q[4].x-box_p[4].x)*(box_q[4].x-box_p[4].x)+
7559 (box_q[4].y-box_p[4].y)*(box_q[4].y-box_p[4].y);
7560 if (dot_product <= miterlimit)
7561 stroke_q[q++]=box_q[4];
7564 stroke_q[q++]=box_q[1];
7565 stroke_q[q++]=box_q[2];
7567 center=polygon_primitive[n].point;
7568 theta.p=atan2(box_p[1].y-center.y,box_p[1].x-center.x);
7569 theta.q=atan2(box_p[2].y-center.y,box_p[2].x-center.x);
7570 if (theta.p < theta.q)
7571 theta.p+=2.0*MagickPI;
7572 arc_segments=(size_t) CastDoubleToLong(ceil((
double) ((theta.p-
7573 theta.q)/(2.0*sqrt((
double) (PerceptibleReciprocal(mid)))))));
7574 CheckPathExtent(arc_segments+MaxStrokePad,MaxStrokePad);
7575 stroke_p[p++]=box_p[1];
7576 for (j=1; j < (ssize_t) arc_segments; j++)
7578 delta_theta=(double) (j*(theta.q-theta.p)/arc_segments);
7579 stroke_p[p].x=(double) (center.x+mid*cos(fmod((
double)
7580 (theta.p+delta_theta),DegreesToRadians(360.0))));
7581 stroke_p[p].y=(double) (center.y+mid*sin(fmod((
double)
7582 (theta.p+delta_theta),DegreesToRadians(360.0))));
7585 stroke_p[p++]=box_p[2];
7592 inverse_slope.p=inverse_slope.q;
7601 stroke_p[p++]=box_p[1];
7602 stroke_q[q++]=box_q[1];
7606 stroke_polygon=(
PrimitiveInfo *) AcquireQuantumMemory((
size_t)
7607 (p+q+2UL*closed_path+2UL),
sizeof(*stroke_polygon));
7610 (void) ThrowMagickException(exception,GetMagickModule(),
7611 ResourceLimitError,
"MemoryAllocationFailed",
"`%s'",
"");
7612 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7613 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7616 return(stroke_polygon);
7618 for (i=0; i < (ssize_t) p; i++)
7620 stroke_polygon[i]=polygon_primitive[0];
7621 stroke_polygon[i].point=stroke_p[i];
7623 if (closed_path != MagickFalse)
7625 stroke_polygon[i]=polygon_primitive[0];
7626 stroke_polygon[i].point=stroke_polygon[0].point;
7629 for ( ; i < (ssize_t) (p+q+closed_path); i++)
7631 stroke_polygon[i]=polygon_primitive[0];
7632 stroke_polygon[i].point=stroke_q[p+q+closed_path-(i+1)];
7634 if (closed_path != MagickFalse)
7636 stroke_polygon[i]=polygon_primitive[0];
7637 stroke_polygon[i].point=stroke_polygon[p+closed_path].point;
7640 stroke_polygon[i]=polygon_primitive[0];
7641 stroke_polygon[i].point=stroke_polygon[0].point;
7643 stroke_polygon[i].primitive=UndefinedPrimitive;
7644 stroke_polygon[0].coordinates=(size_t) (p+q+2*closed_path+1);
7645 stroke_p=(
PointInfo *) RelinquishMagickMemory(stroke_p);
7646 stroke_q=(
PointInfo *) RelinquishMagickMemory(stroke_q);
7647 polygon_primitive=(
PrimitiveInfo *) RelinquishMagickMemory(polygon_primitive);
7648 return(stroke_polygon);