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v811_spc009/external/ImageMagick/coders/vid.c

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v811_spc009_project
4 months ago
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% V V IIIII DDDD %
% V V I D D %
% V V I D D %
% V V I D D %
% V IIIII DDDD %
% %
% %
% Return a Visual Image Directory for matching images. %
% %
% 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 "MagickCore/studio.h"
#include "MagickCore/property.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/constitute.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/log.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/montage.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/resize.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/module.h"
#include "MagickCore/utility.h"
/*
Forward declarations.
*/
static MagickBooleanType
WriteVIDImage(const ImageInfo *,Image *,ExceptionInfo *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d V I D I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadVIDImage reads one of more images and creates a Visual Image
% Directory file. It allocates the memory necessary for the new Image
% structure and returns a pointer to the new image.
%
% The format of the ReadVIDImage method is:
%
% Image *ReadVIDImage(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 *ReadVIDImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define ClientName "montage"
char
**filelist,
*label,
**list;
Image
*image,
*images,
*montage_image,
*next_image,
*thumbnail_image;
ImageInfo
*read_info;
int
number_files;
MagickBooleanType
status;
MontageInfo
*montage_info;
RectangleInfo
geometry;
ssize_t
i;
/*
Expand the filename.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
image=AcquireImage(image_info,exception);
list=(char **) AcquireMagickMemory(sizeof(*filelist));
if (list == (char **) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
list[0]=ConstantString(image_info->filename);
filelist=list;
number_files=1;
status=ExpandFilenames(&number_files,&filelist);
list[0]=DestroyString(list[0]);
list=(char **) RelinquishMagickMemory(list);
if ((status == MagickFalse) || (number_files == 0))
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
image=DestroyImage(image);
/*
Read each image and convert them to a tile.
*/
images=NewImageList();
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
(void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
(void *) NULL);
if (read_info->size == (char *) NULL)
(void) CloneString(&read_info->size,DefaultTileGeometry);
for (i=0; i < (ssize_t) number_files; i++)
{
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),"name: %s",
filelist[i]);
(void) CopyMagickString(read_info->filename,filelist[i],MagickPathExtent);
filelist[i]=DestroyString(filelist[i]);
*read_info->magick='\0';
next_image=ReadImage(read_info,exception);
CatchException(exception);
if (next_image == (Image *) NULL)
break;
label=InterpretImageProperties((ImageInfo *) image_info,next_image,
DefaultTileLabel,exception);
if (label != (char *) NULL)
{
(void) SetImageProperty(next_image,"label",label,exception);
label=DestroyString(label);
}
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"geometry: %.20gx%.20g",(double) next_image->columns,(double)
next_image->rows);
SetGeometry(next_image,&geometry);
(void) ParseMetaGeometry(read_info->size,&geometry.x,&geometry.y,
&geometry.width,&geometry.height);
thumbnail_image=ThumbnailImage(next_image,geometry.width,geometry.height,
exception);
if (thumbnail_image != (Image *) NULL)
{
next_image=DestroyImage(next_image);
next_image=thumbnail_image;
}
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"thumbnail geometry: %.20gx%.20g",(double) next_image->columns,(double)
next_image->rows);
AppendImageToList(&images,next_image);
status=SetImageProgress(images,LoadImagesTag,i,number_files);
if (status == MagickFalse)
break;
}
read_info=DestroyImageInfo(read_info);
filelist=(char **) RelinquishMagickMemory(filelist);
if (images == (Image *) NULL)
ThrowReaderException(CorruptImageError,
"ImageFileDoesNotContainAnyImageData");
/*
Create the visual image directory.
*/
montage_info=CloneMontageInfo(image_info,(MontageInfo *) NULL);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),"creating montage");
montage_image=MontageImageList(image_info,montage_info,
GetFirstImageInList(images),exception);
montage_info=DestroyMontageInfo(montage_info);
images=DestroyImageList(images);
return(montage_image);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e g i s t e r V I D I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RegisterVIDImage() adds attributes for the VID 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 RegisterVIDImage method is:
%
% size_t RegisterVIDImage(void)
%
*/
ModuleExport size_t RegisterVIDImage(void)
{
MagickInfo
*entry;
entry=AcquireMagickInfo("VID","VID","Visual Image Directory");
entry->decoder=(DecodeImageHandler *) ReadVIDImage;
entry->encoder=(EncodeImageHandler *) WriteVIDImage;
entry->format_type=ImplicitFormatType;
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% U n r e g i s t e r V I D I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% UnregisterVIDImage() removes format registrations made by the
% VID module from the list of supported formats.
%
% The format of the UnregisterVIDImage method is:
%
% UnregisterVIDImage(void)
%
*/
ModuleExport void UnregisterVIDImage(void)
{
(void) UnregisterMagickInfo("VID");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e V I D I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteVIDImage() writes an image to a file in VID X image format.
%
% The format of the WriteVIDImage method is:
%
% MagickBooleanType WriteVIDImage(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 WriteVIDImage(const ImageInfo *image_info,Image *image,
ExceptionInfo *exception)
{
Image
*montage_image;
ImageInfo
*write_info;
MagickBooleanType
status;
MontageInfo
*montage_info;
Image
*p;
/*
Create the visual image directory.
*/
for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
(void) SetImageProperty(p,"label",DefaultTileLabel,exception);
montage_info=CloneMontageInfo(image_info,(MontageInfo *) NULL);
montage_image=MontageImageList(image_info,montage_info,image,exception);
montage_info=DestroyMontageInfo(montage_info);
if (montage_image == (Image *) NULL)
return(MagickFalse);
(void) CopyMagickString(montage_image->filename,image_info->filename,
MagickPathExtent);
write_info=CloneImageInfo(image_info);
*write_info->magick='\0';
(void) SetImageInfo(write_info,1,exception);
if ((*write_info->magick == '\0') ||
(LocaleCompare(write_info->magick,"VID") == 0))
(void) FormatLocaleString(montage_image->filename,MagickPathExtent,
"miff:%s",write_info->filename);
status=WriteImage(write_info,montage_image,exception);
montage_image=DestroyImage(montage_image);
write_info=DestroyImageInfo(write_info);
return(status);
}