% Read Text Caption. %
% %
% Software Design %
-% John Cristy %
+% Cristy %
% February 2002 %
% %
% %
-% Copyright 1999-2010 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 declarations.
*/
-#include "magick/studio.h"
-#include "magick/annotate.h"
-#include "magick/blob.h"
-#include "magick/blob-private.h"
-#include "magick/draw.h"
-#include "magick/exception.h"
-#include "magick/exception-private.h"
-#include "magick/image.h"
-#include "magick/image-private.h"
-#include "magick/list.h"
-#include "magick/magick.h"
-#include "magick/memory_.h"
-#include "magick/option.h"
-#include "magick/property.h"
-#include "magick/quantum-private.h"
-#include "magick/static.h"
-#include "magick/string_.h"
-#include "magick/module.h"
+#include "MagickCore/studio.h"
+#include "MagickCore/annotate.h"
+#include "MagickCore/artifact.h"
+#include "MagickCore/blob.h"
+#include "MagickCore/blob-private.h"
+#include "MagickCore/composite-private.h"
+#include "MagickCore/draw.h"
+#include "MagickCore/draw-private.h"
+#include "MagickCore/exception.h"
+#include "MagickCore/exception-private.h"
+#include "MagickCore/image.h"
+#include "MagickCore/image-private.h"
+#include "MagickCore/list.h"
+#include "MagickCore/magick.h"
+#include "MagickCore/memory_.h"
+#include "MagickCore/module.h"
+#include "MagickCore/option.h"
+#include "MagickCore/property.h"
+#include "MagickCore/quantum-private.h"
+#include "MagickCore/static.h"
+#include "MagickCore/string_.h"
+#include "MagickCore/string-private.h"
+#include "MagickCore/utility.h"
\f
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
char
*caption,
geometry[MaxTextExtent],
- *property;
+ *property,
+ *text;
const char
- *gravity;
+ *gravity,
+ *option;
DrawInfo
*draw_info;
*image;
MagickBooleanType
+ split,
status;
- register long
+ register ssize_t
i;
- TypeMetric
- metrics;
-
- unsigned long
+ size_t
height,
width;
+ TypeMetric
+ metrics;
+
/*
Initialize Image structure.
*/
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
- image=AcquireImage(image_info);
- if (image->columns == 0)
- ThrowReaderException(OptionError,"MustSpecifyImageSize");
+ image=AcquireImage(image_info,exception);
(void) ResetImagePage(image,"0x0+0+0");
/*
Format caption.
*/
- property=InterpretImageProperties(image_info,image,image_info->filename);
- (void) SetImageProperty(image,"caption",property);
+ option=GetImageOption(image_info,"filename");
+ if (option == (const char *) NULL)
+ property=InterpretImageProperties((ImageInfo *) image_info,image,
+ image_info->filename,exception);
+ else
+ if (LocaleNCompare(option,"caption:",8) == 0)
+ property=InterpretImageProperties((ImageInfo *) image_info,image,option+8,
+ exception);
+ else
+ property=InterpretImageProperties((ImageInfo *) image_info,image,option,
+ exception);
+ (void) SetImageProperty(image,"caption",property,exception);
property=DestroyString(property);
- caption=ConstantString(GetImageProperty(image,"caption"));
+ caption=ConstantString(GetImageProperty(image,"caption",exception));
draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
- draw_info->text=ConstantString(caption);
+ (void) CloneString(&draw_info->text,caption);
gravity=GetImageOption(image_info,"gravity");
if (gravity != (char *) NULL)
- draw_info->gravity=(GravityType) ParseMagickOption(MagickGravityOptions,
+ draw_info->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
MagickFalse,gravity);
- if ((*caption != '\0') && (image->rows != 0) &&
- (image_info->pointsize == 0.0))
+ split=MagickFalse;
+ if (image->columns == 0)
+ {
+ text=AcquireString(caption);
+ i=FormatMagickCaption(image,draw_info,split,&metrics,&text,
+ exception);
+ (void) CloneString(&draw_info->text,text);
+ text=DestroyString(text);
+ (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);
+ image->columns=width;
+ }
+ if (image->rows == 0)
+ {
+ split=MagickTrue;
+ text=AcquireString(caption);
+ i=FormatMagickCaption(image,draw_info,split,&metrics,&text,
+ exception);
+ (void) CloneString(&draw_info->text,text);
+ text=DestroyString(text);
+ (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);
+ image->rows=(size_t) ((i+1)*(metrics.ascent-metrics.descent+
+ draw_info->interline_spacing+draw_info->stroke_width)+0.5);
+ }
+ if (fabs(image_info->pointsize) < MagickEpsilon)
{
- char
- *text;
+ double
+ high,
+ low;
/*
- Scale text to fit bounding box.
+ Auto fit text into bounding box.
*/
- for ( ; ; )
+ for ( ; ; draw_info->pointsize*=2.0)
{
text=AcquireString(caption);
- i=FormatMagickCaption(image,draw_info,&metrics,&text);
+ i=FormatMagickCaption(image,draw_info,split,&metrics,&text,
+ exception);
(void) CloneString(&draw_info->text,text);
text=DestroyString(text);
- (void) FormatMagickString(geometry,MaxTextExtent,"%+g%+g",
+ (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);
- width=(unsigned long) (metrics.width+draw_info->stroke_width+0.5);
- height=(unsigned long) (metrics.height+draw_info->stroke_width+0.5);
- if ((width > (image->columns+1)) || (height > (image->rows+1)))
- break;
- draw_info->pointsize*=2.0;
+ 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;
}
- draw_info->pointsize/=2.0;
- for ( ; ; )
+ high=draw_info->pointsize;
+ for (low=1.0; (high-low) > 0.5; )
{
+ draw_info->pointsize=(low+high)/2.0;
text=AcquireString(caption);
- i=FormatMagickCaption(image,draw_info,&metrics,&text);
+ i=FormatMagickCaption(image,draw_info,split,&metrics,&text,
+ exception);
(void) CloneString(&draw_info->text,text);
text=DestroyString(text);
- (void) FormatMagickString(geometry,MaxTextExtent,"%+g%+g",
+ (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);
- width=(unsigned long) (metrics.width+draw_info->stroke_width+0.5);
- height=(unsigned long) (metrics.height+draw_info->stroke_width+0.5);
- if ((width > (image->columns+1)) || (height > (image->rows+1)))
- break;
- draw_info->pointsize++;
+ 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--;
+ draw_info->pointsize=(low+high)/2.0-0.5;
}
- i=FormatMagickCaption(image,draw_info,&metrics,&caption);
- if (image->rows == 0)
- image->rows=(unsigned long) ((i+1)*(metrics.ascent-metrics.descent+
- draw_info->stroke_width)+0.5);
- if (image->rows == 0)
- image->rows=(unsigned long) ((i+1)*draw_info->pointsize+
- draw_info->stroke_width+0.5);
- if (SetImageBackgroundColor(image) == MagickFalse)
+ (void) CloneString(&draw_info->text,caption);
+ i=FormatMagickCaption(image,draw_info,split,&metrics,&caption,exception);
+ if (SetImageBackgroundColor(image,exception) == MagickFalse)
{
- InheritException(exception,&image->exception);
image=DestroyImageList(image);
return((Image *) NULL);
}
Draw caption.
*/
(void) CloneString(&draw_info->text,caption);
- status=GetMultilineTypeMetrics(image,draw_info,&metrics);
- if (draw_info->gravity != UndefinedGravity)
- image->page.x=(long) (metrics.bounds.x1-draw_info->stroke_width/2.0);
+ status=GetMultilineTypeMetrics(image,draw_info,&metrics,exception);
+ if ((draw_info->gravity != UndefinedGravity) &&
+ (draw_info->direction != RightToLeftDirection))
+ image->page.x=(ssize_t) (metrics.bounds.x1-draw_info->stroke_width/2.0);
else
{
- (void) FormatMagickString(geometry,MaxTextExtent,"%+g%+g",
+ (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)
+ (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) AnnotateImage(image,draw_info);
+ status=AnnotateImage(image,draw_info,exception);
draw_info=DestroyDrawInfo(draw_info);
caption=DestroyString(caption);
+ if (status == MagickFalse)
+ {
+ image=DestroyImageList(image);
+ return((Image *) NULL);
+ }
return(GetFirstImageInList(image));
}
\f
%
% The format of the RegisterCAPTIONImage method is:
%
-% unsigned long RegisterCAPTIONImage(void)
+% size_t RegisterCAPTIONImage(void)
%
*/
-ModuleExport unsigned long RegisterCAPTIONImage(void)
+ModuleExport size_t RegisterCAPTIONImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("CAPTION");
entry->decoder=(DecodeImageHandler *) ReadCAPTIONImage;
+ entry->description=ConstantString("Caption");
entry->adjoin=MagickFalse;
- entry->format_type=ExplicitFormatType;
- entry->description=ConstantString("Image caption");
entry->module=ConstantString("CAPTION");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
projects / imagemagick / blobdiff