% July 1992 %
% %
% %
-% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
+% Copyright 1999-2013 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 "MagickCore/studio.h"
+#include "MagickCore/attribute.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/cache.h"
Forward declarations.
*/
static MagickBooleanType
- WriteMATTEImage(const ImageInfo *,Image *);
+ WriteMATTEImage(const ImageInfo *,Image *,ExceptionInfo *);
\f
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-% Function WriteMATTEImage() writes an image of matte bytes to a file. It
-% consists of data from the matte component of the image [0..255].
+% WriteMATTEImage() writes an image of matte bytes to a file. It consists of
+% data from the matte component of the image [0..255].
%
% The format of the WriteMATTEImage method is:
%
% MagickBooleanType WriteMATTEImage(const ImageInfo *image_info,
-% Image *image)
+% Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
%
% o image: The image.
%
+% o exception: return any errors or warnings in this structure.
+%
*/
static MagickBooleanType WriteMATTEImage(const ImageInfo *image_info,
- Image *image)
+ Image *image,ExceptionInfo *exception)
{
- ExceptionInfo
- *exception;
-
Image
*matte_image;
ssize_t
y;
- if (image->matte == MagickFalse)
+ if (image->alpha_trait != BlendPixelTrait)
ThrowWriterException(CoderError,"ImageDoesNotHaveAAlphaChannel");
- matte_image=CloneImage(image,image->columns,image->rows,MagickTrue,
- &image->exception);
+ matte_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
if (matte_image == (Image *) NULL)
return(MagickFalse);
- (void) SetImageType(matte_image,TrueColorMatteType);
- matte_image->matte=MagickFalse;
+ (void) SetImageType(matte_image,TrueColorMatteType,exception);
+ matte_image->alpha_trait=UndefinedPixelTrait;
/*
Convert image to matte pixels.
*/
- exception=(&image->exception);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);