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