/*

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                                                                             %

%                                                                             %

%                                                                             %

%                            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                                %

%                                   Cristy                                    %

%                                 July 1992                                   %

%                                                                             %

%                                                                             %

%  Copyright @ 1999 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/blob.h"

#include "MagickCore/blob-private.h"

#include "MagickCore/exception.h"

#include "MagickCore/exception-private.h"

#include "MagickCore/magick.h"

#include "MagickCore/memory_.h"

#include "MagickCore/registry.h"

#include "MagickCore/quantum-private.h"

#include "MagickCore/static.h"

#include "MagickCore/string_.h"

#include "MagickCore/module.h"

/*

  Forward declarations.

*/

static MagickBooleanType

  WriteMPRImage(const ImageInfo *,Image *,ExceptionInfo *);

/*

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                                                                             %

%                                                                             %

%                                                                             %

%   R e a d M P R I m a g e                                                   %

%                                                                             %

%                                                                             %

%                                                                             %

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%

%  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_info: the image info.

%

%    o exception: return any errors or warnings in this structure.

%

*/

static Image *ReadMPRImage(const ImageInfo *image_info,ExceptionInfo *exception)

{

  Image

    *image;

  assert(image_info != (const ImageInfo *) NULL);

  assert(image_info->signature == MagickCoreSignature);

  assert(exception != (ExceptionInfo *) NULL);

  assert(exception->signature == MagickCoreSignature);

  if (IsEventLogging() != MagickFalse)

    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",

      image_info->filename);

  image=(Image *) GetImageRegistry(ImageRegistryType,image_info->filename,

    exception);

  if (image == (Image *) NULL)

    {

      (void) ThrowMagickException(exception,GetMagickModule(),FileOpenError,

        "UnableToOpenFile","`%s'",image_info->filename);

      return(image);

    }

  (void) SyncImageSettings(image_info,image,exception);

  return(image);

}

/*

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                                                                             %

%                                                                             %

%                                                                             %

%   R e g i s t e r M P R I m a g e                                           %

%                                                                             %

%                                                                             %

%                                                                             %

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%

%  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:

%

%      size_t RegisterMPRImage(void)

%

*/

ModuleExport size_t RegisterMPRImage(void)

{

  MagickInfo

    *entry;

  entry=AcquireMagickInfo("MPR","MPR","Magick Persistent Registry");

  entry->decoder=(DecodeImageHandler *) ReadMPRImage;

  entry->encoder=(EncodeImageHandler *) WriteMPRImage;

  entry->flags^=CoderAdjoinFlag;

  entry->format_type=ImplicitFormatType;

  entry->flags|=CoderStealthFlag;

  (void) RegisterMagickInfo(entry);

  entry=AcquireMagickInfo("MPR","MPRI","Magick Persistent Registry");

  entry->decoder=(DecodeImageHandler *) ReadMPRImage;

  entry->encoder=(EncodeImageHandler *) WriteMPRImage;

  entry->flags^=CoderAdjoinFlag;

  entry->format_type=ImplicitFormatType;

  entry->flags|=CoderStealthFlag;

  (void) RegisterMagickInfo(entry);

  return(MagickImageCoderSignature);

}

/*

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                                                                             %

%                                                                             %

%                                                                             %

%   U n r e g i s t e r M P R I m a g e                                       %

%                                                                             %

%                                                                             %

%                                                                             %

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%

%  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("MPRI");

  (void) UnregisterMagickInfo("MPR");

}

/*

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                                                                             %

%                                                                             %

%                                                                             %

%   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:

%

%      MagickBooleanType WriteMPRImage(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 WriteMPRImage(const ImageInfo *image_info,Image *image,

  ExceptionInfo *exception)

{

  MagickBooleanType

    status;

  assert(image_info != (const ImageInfo *) NULL);

  assert(image_info->signature == MagickCoreSignature);

  assert(image != (Image *) NULL);

  assert(image->signature == MagickCoreSignature);

  if (IsEventLogging() != MagickFalse)

    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);

  magick_unreferenced(image_info);

  status=SetImageRegistry(ImageRegistryType,image->filename,image,exception);

  return(status);

}