imagemagick/coders/info.c

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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% IIIII N N FFFFF OOO %
% I NN N F O O %
% I N N N FFF O O %
% I N NN F O O %
% IIIII N N F OOO %
% %
% %
% Write Info About the Image. %
% %
% Software Design %
% Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2021 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 "magick/studio.h"
#include "magick/artifact.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/colorspace.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/identify.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/monitor-private.h"
#include "magick/option.h"
#include "magick/pixel-accessor.h"
#include "magick/property.h"
#include "magick/quantum-private.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/module.h"
#include "magick/utility.h"
/*
Forward declarations.
*/
static MagickBooleanType
WriteINFOImage(const ImageInfo *,Image *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r I N F O I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterINFOImage() adds attributes for the INFO 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 RegisterINFOImage method is:
%
% size_t RegisterINFOImage(void)
%
*/
ModuleExport size_t RegisterINFOImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("INFO");
entry->encoder=(EncodeImageHandler *) WriteINFOImage;
entry->blob_support=MagickFalse;
entry->description=ConstantString("The image format and characteristics");
entry->magick_module=ConstantString("INFO");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r I N F O I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterINFOImage() removes format registrations made by the
% INFO module from the list of supported formats.
%
% The format of the UnregisterINFOImage method is:
%
% UnregisterINFOImage(void)
%
*/
ModuleExport void UnregisterINFOImage(void)
{
(void) UnregisterMagickInfo("INFO");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e I N F O I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteINFOImage writes the pixel values as text numbers.
%
% The format of the WriteINFOImage method is:
%
% MagickBooleanType WriteINFOImage(const ImageInfo *image_info,
% Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteINFOImage(const ImageInfo *image_info,
Image *image)
{
const char
*format;
MagickBooleanType
status;
MagickOffsetType
scene;
size_t
imageListLength;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickCoreSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=OpenBlob(image_info,image,WriteBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
scene=0;
imageListLength=GetImageListLength(image);
do
{
format=GetImageOption(image_info,"format");
if (format == (char *) NULL)
{
(void) CopyMagickString(image->filename,image->magick_filename,
MaxTextExtent);
image->magick_columns=image->columns;
image->magick_rows=image->rows;
(void) IdentifyImage(image,GetBlobFileHandle(image),
image_info->verbose);
}
else
{
char
*text;
text=InterpretImageProperties(image_info,image,format);
if (text != (char *) NULL)
{
(void) WriteBlobString(image,text);
text=DestroyString(text);
}
}
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,imageListLength);
if (status == MagickFalse)
break;
} while (image_info->adjoin != MagickFalse);
(void) CloseBlob(image);
return(MagickTrue);
}