forked from openkylin/imagemagick
224 lines
9.7 KiB
C
224 lines
9.7 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% M M PPPP RRRR %
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% MM MM P P R R %
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% M M M PPPP RRRR %
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% M M P R R %
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% M M P R R %
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% %
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% %
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% Read/Write the Magick Persistent Registry. %
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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 "magick/studio.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/magick.h"
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#include "magick/memory_.h"
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#include "magick/pixel-accessor.h"
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#include "magick/quantum-private.h"
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#include "magick/registry.h"
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#include "magick/static.h"
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#include "magick/string_.h"
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#include "magick/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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WriteMPRImage(const ImageInfo *,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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% R e a d M P R 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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% ReadMPRImage() reads a Magick Persistent Registry image as a blob from
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% memory. It allocates the memory necessary for the new Image structure and
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% returns a pointer to the new image.
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%
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% The format of the ReadMPRImage method is:
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%
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% Image *ReadMPRImage(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 *ReadMPRImage(const ImageInfo *image_info,ExceptionInfo *exception)
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{
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Image
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*image;
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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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image=(Image *) GetImageRegistry(ImageRegistryType,image_info->filename,
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exception);
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if (image != (Image *) NULL)
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(void) SyncImageSettings(image_info,image);
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return(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 M P R 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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% RegisterMPRImage() adds attributes for the MPR 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 RegisterMPRImage method is:
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%
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% size_t RegisterMPRImage(void)
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%
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*/
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ModuleExport size_t RegisterMPRImage(void)
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{
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MagickInfo
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*entry;
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entry=SetMagickInfo("MPR");
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entry->decoder=(DecodeImageHandler *) ReadMPRImage;
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entry->encoder=(EncodeImageHandler *) WriteMPRImage;
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entry->adjoin=MagickFalse;
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entry->format_type=ImplicitFormatType;
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entry->stealth=MagickTrue;
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entry->description=ConstantString("Magick Persistent Registry");
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entry->magick_module=ConstantString("MPR");
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(void) RegisterMagickInfo(entry);
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entry=SetMagickInfo("MPRI");
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entry->decoder=(DecodeImageHandler *) ReadMPRImage;
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entry->encoder=(EncodeImageHandler *) WriteMPRImage;
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entry->adjoin=MagickFalse;
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entry->format_type=ImplicitFormatType;
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entry->stealth=MagickTrue;
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entry->description=ConstantString("Magick Persistent Registry");
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entry->magick_module=ConstantString("MPR");
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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 M P R 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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% UnregisterMPRImage() removes format registrations made by the
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% MPR module from the list of supported formats.
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%
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% The format of the UnregisterMPRImage method is:
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%
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% UnregisterMPRImage(void)
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%
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*/
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ModuleExport void UnregisterMPRImage(void)
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{
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(void) UnregisterMagickInfo("MPRI");
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(void) UnregisterMagickInfo("MPR");
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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 M P R 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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% WriteMPRImage() writes an image into the Magick Persistent Registry
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% image as a blob from memory. It allocates the memory necessary for the
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% new Image structure and returns a pointer to the new image.
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%
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% The format of the WriteMPRImage method is:
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%
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% MagickBooleanType WriteMPRImage(const ImageInfo *image_info,Image *image)
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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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*/
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static MagickBooleanType WriteMPRImage(const ImageInfo *image_info,Image *image)
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{
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MagickBooleanType
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status;
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickCoreSignature);
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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magick_unreferenced(image_info);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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status=SetImageRegistry(ImageRegistryType,image->filename,image,
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&image->exception);
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return(status);
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}
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