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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% CCCC L IIIII PPPP %
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% C L I P P %
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% C L I PPPP %
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% C L I P %
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% CCCC LLLLL IIIII P %
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% %
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% %
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% Write Clip Mask To MIFF File. %
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% %
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% Software Design %
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% Cristy %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "MagickCore/studio.h"
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#include "MagickCore/attribute.h"
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#include "MagickCore/blob.h"
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#include "MagickCore/blob-private.h"
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#include "MagickCore/constitute.h"
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#include "MagickCore/exception.h"
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#include "MagickCore/exception-private.h"
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#include "MagickCore/list.h"
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#include "MagickCore/magick.h"
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#include "MagickCore/memory_.h"
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#include "MagickCore/monitor.h"
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#include "MagickCore/monitor-private.h"
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#include "MagickCore/quantum-private.h"
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#include "MagickCore/static.h"
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#include "MagickCore/string_.h"
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#include "MagickCore/module.h"
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/*
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Forward declarations.
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*/
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static MagickBooleanType
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WriteCLIPImage(const ImageInfo *,Image *,ExceptionInfo *);
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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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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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ReadCLIPImage returns the rendered clip path associated with the image.
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%
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% The format of the ReadCLIPImage method is:
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%
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% Image *ReadCLIPImage(const ImageInfo *image_info,
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% ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o image_info: the image info.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static Image *ReadCLIPImage(const ImageInfo *image_info,
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ExceptionInfo *exception)
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{
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Image
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*image;
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ImageInfo
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*read_info;
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/*
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Initialize Image structure.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickCoreSignature);
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if (image_info->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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image_info->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickCoreSignature);
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read_info=CloneImageInfo(image_info);
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SetImageInfoBlob(read_info,(void *) NULL,0);
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(void) CopyMagickString(read_info->magick,"MIFF",MagickPathExtent);
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image=ReadImage(read_info,exception);
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read_info=DestroyImageInfo(read_info);
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if (image != (Image *) NULL)
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{
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Image
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*clip_image;
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(void) ClipImage(image,exception);
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clip_image=GetImageMask(image,WritePixelMask,exception);
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if (clip_image == (Image *) NULL)
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ThrowReaderException(CoderError,"ImageDoesNotHaveAClipMask");
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image=DestroyImage(image);
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image=clip_image;
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}
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return(GetFirstImageInList(image));
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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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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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% RegisterCLIPImage() adds attributes for the CLIP image format to
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% the list of supported formats. The attributes include the image format
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% tag, a method to read and/or write the format, whether the format
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% supports the saving of more than one frame to the same file or blob,
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% whether the format supports native in-memory I/O, and a brief
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% description of the format.
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%
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% The format of the RegisterCLIPImage method is:
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%
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% size_t RegisterCLIPImage(void)
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%
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*/
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ModuleExport size_t RegisterCLIPImage(void)
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{
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MagickInfo
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*entry;
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entry=AcquireMagickInfo("CLIP","CLIP","Image Clip Mask");
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entry->decoder=(DecodeImageHandler *) ReadCLIPImage;
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entry->encoder=(EncodeImageHandler *) WriteCLIPImage;
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(void) RegisterMagickInfo(entry);
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return(MagickImageCoderSignature);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% U n r e g i s t e r C L I P I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% UnregisterCLIPImage() removes format registrations made by the
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% CLIP module from the list of supported formats.
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%
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% The format of the UnregisterCLIPImage method is:
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%
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% UnregisterCLIPImage(void)
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%
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*/
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ModuleExport void UnregisterCLIPImage(void)
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{
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(void) UnregisterMagickInfo("CLIP");
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% W r i t e C L I P I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% WriteCLIPImage() writes an image of clip bytes to a file. It consists of
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% data from the clip mask of the image.
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%
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% The format of the WriteCLIPImage method is:
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%
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% MagickBooleanType WriteCLIPImage(const ImageInfo *image_info,
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% Image *image,ExceptionInfo *exception)
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%
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% A description of each parameter follows.
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%
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% o image_info: the image info.
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%
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% o image: The image.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static MagickBooleanType WriteCLIPImage(const ImageInfo *image_info,
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Image *image,ExceptionInfo *exception)
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{
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Image
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*clip_image;
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ImageInfo
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*write_info;
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MagickBooleanType
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status;
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if ((image->channels & WriteMaskChannel) == 0)
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status=ClipImage(image,exception);
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if ((image->channels & WriteMaskChannel) == 0)
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ThrowWriterException(CoderError,"ImageDoesNotHaveAClipMask");
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clip_image=GetImageMask(image,WritePixelMask,exception);
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if (clip_image == (Image *) NULL)
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return(MagickFalse);
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(void) CopyMagickString(clip_image->filename,image->filename,
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MagickPathExtent);
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write_info=CloneImageInfo(image_info);
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*write_info->magick='\0';
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(void) SetImageInfo(write_info,1,exception);
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if ((*write_info->magick == '\0') ||
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(LocaleCompare(write_info->magick,"CLIP") == 0))
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(void) FormatLocaleString(clip_image->filename,MagickPathExtent,"miff:%s",
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write_info->filename);
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status=WriteImage(write_info,clip_image,exception);
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clip_image=DestroyImage(clip_image);
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write_info=DestroyImageInfo(write_info);
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return(status);
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}
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