% Read ASCII String As An Image. %
% %
% Software Design %
-% John Cristy %
+% Cristy %
% July 1992 %
% %
% %
-% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
+% Copyright 1999-2014 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
*/
#include "MagickCore/studio.h"
#include "MagickCore/annotate.h"
+#include "MagickCore/artifact.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/draw.h"
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
- image=AcquireImage(image_info);
+ image=AcquireImage(image_info,exception);
(void) ResetImagePage(image,"0x0+0+0");
- property=InterpretImageProperties(image_info,image,image_info->filename);
- (void) SetImageProperty(image,"label",property);
+ property=InterpretImageProperties((ImageInfo *) image_info,image,
+ image_info->filename,exception);
+ (void) SetImageProperty(image,"label",property,exception);
property=DestroyString(property);
- label=GetImageProperty(image,"label");
+ label=GetImageProperty(image,"label",exception);
draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
draw_info->text=ConstantString(label);
- if (((image->columns != 0) || (image->rows != 0)) &&
- (image_info->pointsize == 0.0))
+ status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
+ if ((image->columns == 0) && (image->rows == 0))
{
- /*
- Fit label to canvas size.
- */
- status=GetMultilineTypeMetrics(image,draw_info,&metrics);
- for ( ; status != MagickFalse; draw_info->pointsize*=2.0)
- {
- width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
- height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
- if (((image->columns != 0) && (width >= image->columns)) ||
- ((image->rows != 0) && (height >= image->rows)))
- break;
- status=GetMultilineTypeMetrics(image,draw_info,&metrics);
- }
- draw_info->pointsize/=2.0;
- for ( ; status != MagickFalse; draw_info->pointsize--)
+ image->columns=(size_t) (metrics.width+draw_info->stroke_width+0.5);
+ image->rows=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
+ }
+ else
+ if (((image->columns == 0) || (image->rows == 0)) ||
+ (fabs(image_info->pointsize) < MagickEpsilon))
{
- width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
- height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
- if ((image->columns != 0) && (width < image->columns) &&
- ((image->rows == 0) || (height < image->rows)))
- break;
- if ((image->rows != 0) && (height < image->rows) &&
- ((image->columns == 0) || (width < image->columns)))
- break;
- if (draw_info->pointsize < 2.0)
- break;
- status=GetMultilineTypeMetrics(image,draw_info,&metrics);
+ double
+ high,
+ low;
+
+ /*
+ Auto fit text into bounding box.
+ */
+ for ( ; ; draw_info->pointsize*=2.0)
+ {
+ (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
+ -metrics.bounds.x1,metrics.ascent);
+ if (draw_info->gravity == UndefinedGravity)
+ (void) CloneString(&draw_info->geometry,geometry);
+ status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
+ width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
+ height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
+ if ((image->columns != 0) && (image->rows != 0))
+ {
+ if ((width >= image->columns) && (height >= image->rows))
+ break;
+ }
+ else
+ if (((image->columns != 0) && (width >= image->columns)) ||
+ ((image->rows != 0) && (height >= image->rows)))
+ break;
+ }
+ high=draw_info->pointsize;
+ for (low=1.0; (high-low) > 0.5; )
+ {
+ draw_info->pointsize=(low+high)/2.0;
+ (void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
+ -metrics.bounds.x1,metrics.ascent);
+ if (draw_info->gravity == UndefinedGravity)
+ (void) CloneString(&draw_info->geometry,geometry);
+ status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
+ width=(size_t) floor(metrics.width+draw_info->stroke_width+0.5);
+ height=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
+ if ((image->columns != 0) && (image->rows != 0))
+ {
+ if ((width < image->columns) && (height < image->rows))
+ low=draw_info->pointsize+0.5;
+ else
+ high=draw_info->pointsize-0.5;
+ }
+ else
+ if (((image->columns != 0) && (width < image->columns)) ||
+ ((image->rows != 0) && (height < image->rows)))
+ low=draw_info->pointsize+0.5;
+ else
+ high=draw_info->pointsize-0.5;
+ }
+ draw_info->pointsize=(low+high)/2.0-0.5;
}
- }
- status=GetMultilineTypeMetrics(image,draw_info,&metrics);
+ status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
if (status == MagickFalse)
{
- InheritException(exception,&image->exception);
image=DestroyImageList(image);
return((Image *) NULL);
}
if (image->columns == 0)
- image->columns=(size_t) (metrics.width+draw_info->stroke_width+1.5);
+ image->columns=(size_t) (metrics.width+draw_info->stroke_width+0.5);
if (image->columns == 0)
- image->columns=(size_t) (draw_info->pointsize+draw_info->stroke_width+1.5);
- if ((draw_info->gravity == UndefinedGravity) ||
- (draw_info->direction == RightToLeftDirection))
+ image->columns=(size_t) (draw_info->pointsize+draw_info->stroke_width+0.5);
+ if (image->rows == 0)
+ image->rows=(size_t) (metrics.ascent-metrics.descent+
+ draw_info->stroke_width+0.5);
+ if (image->rows == 0)
+ image->rows=(size_t) (draw_info->pointsize+draw_info->stroke_width+0.5);
+ if (draw_info->gravity == UndefinedGravity)
{
(void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
-metrics.bounds.x1+draw_info->stroke_width/2.0,metrics.ascent+
draw_info->stroke_width/2.0);
+ (void) CloneString(&draw_info->geometry,geometry);
+ }
+ if (draw_info->direction == RightToLeftDirection)
+ {
if (draw_info->direction == RightToLeftDirection)
(void) FormatLocaleString(geometry,MaxTextExtent,"%+g%+g",
image->columns-(metrics.bounds.x2+draw_info->stroke_width/2.0),
metrics.ascent+draw_info->stroke_width/2.0);
- draw_info->geometry=AcquireString(geometry);
+ (void) CloneString(&draw_info->geometry,geometry);
}
- if (image->rows == 0)
- image->rows=(size_t) floor(metrics.height+draw_info->stroke_width+0.5);
- if (image->rows == 0)
- image->rows=(size_t) floor(draw_info->pointsize+draw_info->stroke_width+
- 0.5);
- if (SetImageBackgroundColor(image) == MagickFalse)
+ if (SetImageBackgroundColor(image,exception) == MagickFalse)
{
- InheritException(exception,&image->exception);
image=DestroyImageList(image);
return((Image *) NULL);
}
- (void) AnnotateImage(image,draw_info);
+ (void) AnnotateImage(image,draw_info,exception);
if (image_info->pointsize == 0.0)
{
char
(void) FormatLocaleString(pointsize,MaxTextExtent,"%.20g",
draw_info->pointsize);
- (void) SetImageProperty(image,"label:pointsize",pointsize);
+ (void) SetImageProperty(image,"label:pointsize",pointsize,exception);
}
draw_info=DestroyDrawInfo(draw_info);
return(GetFirstImageInList(image));
projects / imagemagick / blobdiff