/*
% Copyright (C) 2003-2024 GraphicsMagick Group
% Copyright (C) 2002 ImageMagick Studio
%
% This program is covered by multiple licenses, which are described in
% Copyright.txt. You should have received a copy of Copyright.txt with this
% package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M M PPPP RRRR %
% MM MM P P R R %
% M M M PPPP RRRR %
% M M P R R %
% M M P R R %
% %
% %
% Read/Write the Magick Persistent Registry. %
% %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/magick.h"
#include "magick/registry.h"
#include "magick/utility.h"
/*
Forward declarations.
*/
static unsigned int
WriteMPRImage(const ImageInfo *,Image *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d M P R I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method ReadMPRImage reads a Magick Persistent Registry image as a blob from
% memory. It allocates the memory necessary for the new Image structure and
% returns a pointer to the new image.
%
% The format of the ReadMPRImage method is:
%
% Image *ReadMPRImage(const ImageInfo *image_info,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: Method ReadMPRImage returns a pointer to the image after
% reading. A null image is returned if there is a memory shortage or
% if the image cannot be read.
%
% o image_info: Specifies a pointer to a ImageInfo structure.
%
% o exception: return any errors or warnings in this structure.
%
%
*/
static Image *ReadMPRImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
char
*p;
long
id;
RegistryType
type;
size_t
length;
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
if (LocaleCompare(image_info->magick,"MPRI") != 0)
return(GetImageFromMagickRegistry(image_info->filename,&id,exception));
id=strtol(image_info->filename,&p,0);
return((Image *) GetMagickRegistry(id,&type,&length,exception));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r M P R I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method RegisterMPRImage adds attributes for the MPR 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 RegisterMPRImage method is:
%
% RegisterMPRImage(void)
%
*/
ModuleExport void RegisterMPRImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("MPR");
entry->decoder=(DecoderHandler) ReadMPRImage;
entry->encoder=(EncoderHandler) WriteMPRImage;
entry->adjoin=False;
entry->stealth=True; /* Don't list in '-list format' output */
entry->description="Magick Persistent Registry";
entry->module="MPR";
entry->coder_class=PrimaryCoderClass;
entry->extension_treatment=IgnoreExtensionTreatment;
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("MPRI");
entry->decoder=(DecoderHandler) ReadMPRImage;
entry->encoder=(EncoderHandler) WriteMPRImage;
entry->stealth=True;
entry->adjoin=False;
entry->stealth=True; /* Don't list in '-list format' output */
entry->description="Magick Persistent Registry";
entry->module="MPRI";
entry->coder_class=PrimaryCoderClass;
entry->extension_treatment=IgnoreExtensionTreatment;
(void) RegisterMagickInfo(entry);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r M P R I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method UnregisterMPRImage removes format registrations made by the
% MPR module from the list of supported formats.
%
% The format of the UnregisterMPRImage method is:
%
% UnregisterMPRImage(void)
%
*/
ModuleExport void UnregisterMPRImage(void)
{
(void) UnregisterMagickInfo("MPR");
(void) UnregisterMagickInfo("MPRI");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e M P R I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteMPRImage() writes an image into the Magick Persistent Registry
% image as a blob from memory. It allocates the memory necessary for the
% new Image structure and returns a pointer to the new image.
%
% The format of the WriteMPRImage method is:
%
% unsigned int WriteMPRImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o status: Method WritePRImage return True if the image is written.
% False is returned is there is a memory shortage or if the image file
% fails to write.
%
% o image_info: Specifies a pointer to a ImageInfo structure.
%
% o image: A pointer to an Image structure.
%
%
*/
static unsigned int WriteMPRImage(const ImageInfo *image_info,Image *image)
{
ExceptionInfo
exception;
Image
*registry_image;
long
id;
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
GetExceptionInfo(&exception);
registry_image=GetImageFromMagickRegistry(image->filename,&id,&exception);
DestroyExceptionInfo(&exception);
if (registry_image != (Image *) NULL)
{
(void) DeleteMagickRegistry(id);
DestroyImage(registry_image);
}
id=SetMagickRegistry(ImageRegistryType,image,sizeof(Image),&image->exception);
return(id >= 0);
}
