/*
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% %
% %
% %
% CCCC L IIIII PPPP %
% C L I P P %
% C L I PPPP %
% C L I P %
% CCCC LLLLL IIIII P %
% %
% %
% Write Clip Mask To MIFF File. %
% %
% Software Design %
% Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2019 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 %
% obtain a copy of the License at %
% %
% https://imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
% See the License for the specific language governing permissions and %
% limitations under the License. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/attribute.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/constitute.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/list.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/module.h"
/*
Forward declarations.
*/
static MagickBooleanType
WriteCLIPImage(const ImageInfo *,Image *,ExceptionInfo *);
/*
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% %
% %
% %
% R e a d C L I P I m a g e %
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% %
% %
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%
% ReadCLIPImage returns the rendered clip path associated with the image.
%
% The format of the ReadCLIPImage method is:
%
% Image *ReadCLIPImage(const ImageInfo *image_info,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadCLIPImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
Image
*image;
ImageInfo
*read_info;
/*
Initialize Image structure.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
(void) CopyMagickString(read_info->magick,"MIFF",MagickPathExtent);
image=ReadImage(read_info,exception);
read_info=DestroyImageInfo(read_info);
if (image != (Image *) NULL)
{
Image
*clip_image;
(void) ClipImage(image,exception);
clip_image=GetImageMask(image,WritePixelMask,exception);
if (clip_image == (Image *) NULL)
ThrowReaderException(CoderError,"ImageDoesNotHaveAClipMask");
image=DestroyImage(image);
image=clip_image;
}
return(GetFirstImageInList(image));
}
/*
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% %
% %
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% R e g i s t e r C L I P I m a g e %
% %
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% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterCLIPImage() adds attributes for the CLIP image format to
% the list of supported formats. The attributes include the image format
% tag, a method to read and/or write the format, whether the format
% supports the saving of more than one frame to the same file or blob,
% whether the format supports native in-memory I/O, and a brief
% description of the format.
%
% The format of the RegisterCLIPImage method is:
%
% size_t RegisterCLIPImage(void)
%
*/
ModuleExport size_t RegisterCLIPImage(void)
{
MagickInfo
*entry;
entry=AcquireMagickInfo("CLIP","CLIP","Image Clip Mask");
entry->decoder=(DecodeImageHandler *) ReadCLIPImage;
entry->encoder=(EncodeImageHandler *) WriteCLIPImage;
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r C L I P I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterCLIPImage() removes format registrations made by the
% CLIP module from the list of supported formats.
%
% The format of the UnregisterCLIPImage method is:
%
% UnregisterCLIPImage(void)
%
*/
ModuleExport void UnregisterCLIPImage(void)
{
(void) UnregisterMagickInfo("CLIP");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
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% W r i t e C L I P I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteCLIPImage() writes an image of clip bytes to a file. It consists of
% data from the clip mask of the image.
%
% The format of the WriteCLIPImage method is:
%
% MagickBooleanType WriteCLIPImage(const ImageInfo *image_info,
% Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteCLIPImage(const ImageInfo *image_info,
Image *image,ExceptionInfo *exception)
{
Image
*clip_image;
ImageInfo
*write_info;
MagickBooleanType
status;
if ((image->channels & WriteMaskChannel) == 0)
status=ClipImage(image,exception);
if ((image->channels & WriteMaskChannel) == 0)
ThrowWriterException(CoderError,"ImageDoesNotHaveAClipMask");
clip_image=GetImageMask(image,WritePixelMask,exception);
if (clip_image == (Image *) NULL)
return(MagickFalse);
(void) CopyMagickString(clip_image->filename,image->filename,
MagickPathExtent);
write_info=CloneImageInfo(image_info);
*write_info->magick='\0';
(void) SetImageInfo(write_info,1,exception);
if ((*write_info->magick == '\0') ||
(LocaleCompare(write_info->magick,"CLIP") == 0))
(void) FormatLocaleString(clip_image->filename,MagickPathExtent,"miff:%s",
write_info->filename);
status=WriteImage(write_info,clip_image,exception);
clip_image=DestroyImage(clip_image);
write_info=DestroyImageInfo(write_info);
return(status);
}