1401 lines
51 KiB
C
1401 lines
51 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% CCCC OOO N N SSSSS TTTTT IIIII TTTTT U U TTTTT EEEEE %
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% C O O NN N SS T I T U U T E %
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% C O O N N N ESSS T I T U U T EEE %
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% C O O N NN SS T I T U U T E %
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% CCCC OOO N N SSSSS T IIIII T UUU T EEEEE %
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% %
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% %
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% MagickCore Methods to Consitute an Image %
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% %
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% Software Design %
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% John Cristy %
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% October 1998 %
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% %
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% %
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% Copyright 1999-2013 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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% http://www.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/blob.h"
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#include "magick/blob-private.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/cache.h"
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#include "magick/client.h"
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#include "magick/constitute.h"
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#include "magick/delegate.h"
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#include "magick/geometry.h"
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#include "magick/identify.h"
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#include "magick/image-private.h"
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#include "magick/list.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/option.h"
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#include "magick/pixel.h"
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#include "magick/policy.h"
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#include "magick/profile.h"
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#include "magick/property.h"
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#include "magick/quantum.h"
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#include "magick/resize.h"
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#include "magick/resource_.h"
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#include "magick/semaphore.h"
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#include "magick/statistic.h"
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#include "magick/stream.h"
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#include "magick/string_.h"
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#include "magick/string-private.h"
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#include "magick/timer.h"
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#include "magick/token.h"
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#include "magick/transform.h"
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#include "magick/utility.h"
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static SemaphoreInfo
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*constitute_semaphore = (SemaphoreInfo *) NULL;
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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+ C o n s t i t u t e C o m p o n e n t G e n e s i s %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ConstituteComponentGenesis() instantiates the constitute component.
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%
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% The format of the ConstituteComponentGenesis method is:
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%
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% MagickBooleanType ConstituteComponentGenesis(void)
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%
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*/
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MagickExport MagickBooleanType ConstituteComponentGenesis(void)
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{
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AcquireSemaphoreInfo(&constitute_semaphore);
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return(MagickTrue);
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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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||
% %
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||
+ C o n s t i t u t e C o m p o n e n t T e r m i n u s %
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||
% %
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||
% %
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||
% %
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||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ConstituteComponentTerminus() destroys the constitute component.
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%
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% The format of the ConstituteComponentTerminus method is:
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%
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% ConstituteComponentTerminus(void)
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%
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*/
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MagickExport void ConstituteComponentTerminus(void)
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{
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if (constitute_semaphore == (SemaphoreInfo *) NULL)
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AcquireSemaphoreInfo(&constitute_semaphore);
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DestroySemaphoreInfo(&constitute_semaphore);
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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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||
% C o n s t i t u t e 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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% ConstituteImage() returns an image from the pixel data you supply.
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% The pixel data must be in scanline order top-to-bottom. The data can be
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% char, short int, int, float, or double. Float and double require the
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% pixels to be normalized [0..1], otherwise [0..QuantumRange]. For example, to
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% create a 640x480 image from unsigned red-green-blue character data, use:
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%
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% image = ConstituteImage(640,480,"RGB",CharPixel,pixels,&exception);
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%
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% The format of the ConstituteImage method is:
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%
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% Image *ConstituteImage(const size_t columns,const size_t rows,
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% const char *map,const StorageType storage,const void *pixels,
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||
% 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 columns: width in pixels of the image.
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%
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% o rows: height in pixels of the image.
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%
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% o map: This string reflects the expected ordering of the pixel array.
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% It can be any combination or order of R = red, G = green, B = blue,
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% A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan,
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% Y = yellow, M = magenta, K = black, I = intensity (for grayscale),
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% P = pad.
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%
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% o storage: Define the data type of the pixels. Float and double types are
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% expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose
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% from these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel,
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% LongPixel, QuantumPixel, or ShortPixel.
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%
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% o pixels: This array of values contain the pixel components as defined by
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% map and type. You must preallocate this array where the expected
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% length varies depending on the values of width, height, map, and type.
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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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MagickExport Image *ConstituteImage(const size_t columns,
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const size_t rows,const char *map,const StorageType storage,
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const void *pixels,ExceptionInfo *exception)
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{
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Image
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*image;
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MagickBooleanType
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status;
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/*
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Allocate image structure.
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*/
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assert(map != (const char *) NULL);
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",map);
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assert(pixels != (void *) NULL);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickSignature);
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image=AcquireImage((ImageInfo *) NULL);
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if (image == (Image *) NULL)
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return((Image *) NULL);
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if ((columns == 0) || (rows == 0))
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ThrowImageException(OptionError,"NonZeroWidthAndHeightRequired");
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image->columns=columns;
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image->rows=rows;
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(void) SetImageBackgroundColor(image);
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status=ImportImagePixels(image,0,0,columns,rows,map,storage,pixels);
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if (status == MagickFalse)
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{
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InheritException(exception,&image->exception);
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image=DestroyImage(image);
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||
}
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return(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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||
% P i n g 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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% PingImage() returns all the properties of an image or image sequence
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% except for the pixels. It is much faster and consumes far less memory
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% than ReadImage(). On failure, a NULL image is returned and exception
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% describes the reason for the failure.
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%
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% The format of the PingImage method is:
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||
%
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% Image *PingImage(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: Ping the image defined by the file or filename members of
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% this structure.
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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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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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static size_t PingStream(const Image *magick_unused(image),
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const void *magick_unused(pixels),const size_t columns)
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{
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return(columns);
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}
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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MagickExport Image *PingImage(const ImageInfo *image_info,
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ExceptionInfo *exception)
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||
{
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Image
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*image;
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ImageInfo
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*ping_info;
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assert(image_info != (ImageInfo *) NULL);
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assert(image_info->signature == MagickSignature);
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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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ping_info=CloneImageInfo(image_info);
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ping_info->ping=MagickTrue;
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image=ReadStream(ping_info,&PingStream,exception);
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if (image != (Image *) NULL)
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{
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ResetTimer(&image->timer);
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||
if (ping_info->verbose != MagickFalse)
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||
(void) IdentifyImage(image,stdout,MagickFalse);
|
||
}
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||
ping_info=DestroyImageInfo(ping_info);
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||
return(image);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% P i n g I m a g e s %
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||
% %
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||
% %
|
||
% %
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||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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||
%
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% PingImages() pings one or more images and returns them as an image list.
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||
%
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% The format of the PingImage method is:
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||
%
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||
% Image *PingImages(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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||
%
|
||
% o exception: return any errors or warnings in this structure.
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||
%
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||
*/
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MagickExport Image *PingImages(const ImageInfo *image_info,
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||
ExceptionInfo *exception)
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||
{
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||
char
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||
filename[MaxTextExtent];
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||
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||
Image
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||
*image,
|
||
*images;
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||
|
||
ImageInfo
|
||
*read_info;
|
||
|
||
/*
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||
Ping image list from a file.
|
||
*/
|
||
assert(image_info != (ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickSignature);
|
||
if (image_info->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
||
image_info->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
(void) InterpretImageFilename(image_info,(Image *) NULL,image_info->filename,
|
||
(int) image_info->scene,filename);
|
||
if (LocaleCompare(filename,image_info->filename) != 0)
|
||
{
|
||
ExceptionInfo
|
||
*sans;
|
||
|
||
ssize_t
|
||
extent,
|
||
scene;
|
||
|
||
/*
|
||
Images of the form image-%d.png[1-5].
|
||
*/
|
||
read_info=CloneImageInfo(image_info);
|
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sans=AcquireExceptionInfo();
|
||
(void) SetImageInfo(read_info,0,sans);
|
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sans=DestroyExceptionInfo(sans);
|
||
if (read_info->number_scenes == 0)
|
||
{
|
||
read_info=DestroyImageInfo(read_info);
|
||
return(PingImage(image_info,exception));
|
||
}
|
||
(void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
|
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images=NewImageList();
|
||
extent=(ssize_t) (read_info->scene+read_info->number_scenes);
|
||
for (scene=(ssize_t) read_info->scene; scene < (ssize_t) extent; scene++)
|
||
{
|
||
(void) InterpretImageFilename(image_info,(Image *) NULL,filename,(int)
|
||
scene,read_info->filename);
|
||
image=PingImage(read_info,exception);
|
||
if (image == (Image *) NULL)
|
||
continue;
|
||
AppendImageToList(&images,image);
|
||
}
|
||
read_info=DestroyImageInfo(read_info);
|
||
return(images);
|
||
}
|
||
return(PingImage(image_info,exception));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e a d I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% ReadImage() reads an image or image sequence from a file or file handle.
|
||
% The method returns a NULL if there is a memory shortage or if the image
|
||
% cannot be read. On failure, a NULL image is returned and exception
|
||
% describes the reason for the failure.
|
||
%
|
||
% The format of the ReadImage method is:
|
||
%
|
||
% Image *ReadImage(const ImageInfo *image_info,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: Read the image defined by the file or filename members of
|
||
% this structure.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport Image *ReadImage(const ImageInfo *image_info,
|
||
ExceptionInfo *exception)
|
||
{
|
||
char
|
||
filename[MaxTextExtent],
|
||
magick[MaxTextExtent],
|
||
magick_filename[MaxTextExtent];
|
||
|
||
const char
|
||
*value;
|
||
|
||
const DelegateInfo
|
||
*delegate_info;
|
||
|
||
const MagickInfo
|
||
*magick_info;
|
||
|
||
ExceptionInfo
|
||
*sans_exception;
|
||
|
||
GeometryInfo
|
||
geometry_info;
|
||
|
||
Image
|
||
*image,
|
||
*next;
|
||
|
||
ImageInfo
|
||
*read_info;
|
||
|
||
MagickStatusType
|
||
flags,
|
||
thread_support;
|
||
|
||
PolicyDomain
|
||
domain;
|
||
|
||
PolicyRights
|
||
rights;
|
||
|
||
/*
|
||
Determine image type from filename prefix or suffix (e.g. image.jpg).
|
||
*/
|
||
assert(image_info != (ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickSignature);
|
||
assert(image_info->filename != (char *) NULL);
|
||
if (image_info->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
||
image_info->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
read_info=CloneImageInfo(image_info);
|
||
(void) CopyMagickString(magick_filename,read_info->filename,MaxTextExtent);
|
||
(void) SetImageInfo(read_info,0,exception);
|
||
(void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
|
||
(void) CopyMagickString(magick,read_info->magick,MaxTextExtent);
|
||
domain=CoderPolicyDomain;
|
||
rights=ReadPolicyRights;
|
||
if (IsRightsAuthorized(domain,rights,read_info->magick) == MagickFalse)
|
||
{
|
||
errno=EPERM;
|
||
(void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
|
||
"NotAuthorized","`%s'",read_info->filename);
|
||
read_info=DestroyImageInfo(read_info);
|
||
return((Image *) NULL);
|
||
}
|
||
/*
|
||
Call appropriate image reader based on image type.
|
||
*/
|
||
sans_exception=AcquireExceptionInfo();
|
||
magick_info=GetMagickInfo(read_info->magick,sans_exception);
|
||
sans_exception=DestroyExceptionInfo(sans_exception);
|
||
if (magick_info != (const MagickInfo *) NULL)
|
||
{
|
||
if (GetMagickEndianSupport(magick_info) == MagickFalse)
|
||
read_info->endian=UndefinedEndian;
|
||
else
|
||
if ((image_info->endian == UndefinedEndian) &&
|
||
(GetMagickRawSupport(magick_info) != MagickFalse))
|
||
{
|
||
size_t
|
||
lsb_first;
|
||
|
||
lsb_first=1;
|
||
read_info->endian=(*(char *) &lsb_first) == 1 ? LSBEndian :
|
||
MSBEndian;
|
||
}
|
||
}
|
||
if ((magick_info != (const MagickInfo *) NULL) &&
|
||
(GetMagickSeekableStream(magick_info) != MagickFalse))
|
||
{
|
||
MagickBooleanType
|
||
status;
|
||
|
||
image=AcquireImage(read_info);
|
||
(void) CopyMagickString(image->filename,read_info->filename,
|
||
MaxTextExtent);
|
||
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
|
||
if (status == MagickFalse)
|
||
{
|
||
read_info=DestroyImageInfo(read_info);
|
||
image=DestroyImage(image);
|
||
return((Image *) NULL);
|
||
}
|
||
if (IsBlobSeekable(image) == MagickFalse)
|
||
{
|
||
/*
|
||
Coder requires a seekable stream.
|
||
*/
|
||
*read_info->filename='\0';
|
||
status=ImageToFile(image,read_info->filename,exception);
|
||
if (status == MagickFalse)
|
||
{
|
||
(void) CloseBlob(image);
|
||
read_info=DestroyImageInfo(read_info);
|
||
image=DestroyImage(image);
|
||
return((Image *) NULL);
|
||
}
|
||
read_info->temporary=MagickTrue;
|
||
}
|
||
(void) CloseBlob(image);
|
||
image=DestroyImage(image);
|
||
}
|
||
image=NewImageList();
|
||
if (constitute_semaphore == (SemaphoreInfo *) NULL)
|
||
AcquireSemaphoreInfo(&constitute_semaphore);
|
||
if ((magick_info == (const MagickInfo *) NULL) ||
|
||
(GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
|
||
{
|
||
delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
|
||
if (delegate_info == (const DelegateInfo *) NULL)
|
||
{
|
||
(void) SetImageInfo(read_info,0,exception);
|
||
(void) CopyMagickString(read_info->filename,filename,MaxTextExtent);
|
||
magick_info=GetMagickInfo(read_info->magick,exception);
|
||
}
|
||
}
|
||
if ((magick_info != (const MagickInfo *) NULL) &&
|
||
(GetImageDecoder(magick_info) != (DecodeImageHandler *) NULL))
|
||
{
|
||
thread_support=GetMagickThreadSupport(magick_info);
|
||
if ((thread_support & DecoderThreadSupport) == 0)
|
||
LockSemaphoreInfo(constitute_semaphore);
|
||
image=GetImageDecoder(magick_info)(read_info,exception);
|
||
if ((thread_support & DecoderThreadSupport) == 0)
|
||
UnlockSemaphoreInfo(constitute_semaphore);
|
||
}
|
||
else
|
||
{
|
||
delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
|
||
if (delegate_info == (const DelegateInfo *) NULL)
|
||
{
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
|
||
read_info->filename);
|
||
if (read_info->temporary != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(read_info->filename);
|
||
read_info=DestroyImageInfo(read_info);
|
||
return((Image *) NULL);
|
||
}
|
||
/*
|
||
Let our decoding delegate process the image.
|
||
*/
|
||
image=AcquireImage(read_info);
|
||
if (image == (Image *) NULL)
|
||
{
|
||
read_info=DestroyImageInfo(read_info);
|
||
return((Image *) NULL);
|
||
}
|
||
(void) CopyMagickString(image->filename,read_info->filename,
|
||
MaxTextExtent);
|
||
*read_info->filename='\0';
|
||
if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
|
||
LockSemaphoreInfo(constitute_semaphore);
|
||
(void) InvokeDelegate(read_info,image,read_info->magick,(char *) NULL,
|
||
exception);
|
||
if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
|
||
UnlockSemaphoreInfo(constitute_semaphore);
|
||
image=DestroyImageList(image);
|
||
read_info->temporary=MagickTrue;
|
||
(void) SetImageInfo(read_info,0,exception);
|
||
magick_info=GetMagickInfo(read_info->magick,exception);
|
||
if ((magick_info == (const MagickInfo *) NULL) ||
|
||
(GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
|
||
{
|
||
if (IsPathAccessible(read_info->filename) != MagickFalse)
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
|
||
read_info->filename);
|
||
else
|
||
ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
|
||
read_info->filename);
|
||
read_info=DestroyImageInfo(read_info);
|
||
return((Image *) NULL);
|
||
}
|
||
thread_support=GetMagickThreadSupport(magick_info);
|
||
if ((thread_support & DecoderThreadSupport) == 0)
|
||
LockSemaphoreInfo(constitute_semaphore);
|
||
image=(Image *) (GetImageDecoder(magick_info))(read_info,exception);
|
||
if ((thread_support & DecoderThreadSupport) == 0)
|
||
UnlockSemaphoreInfo(constitute_semaphore);
|
||
}
|
||
if (read_info->temporary != MagickFalse)
|
||
{
|
||
(void) RelinquishUniqueFileResource(read_info->filename);
|
||
read_info->temporary=MagickFalse;
|
||
if (image != (Image *) NULL)
|
||
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
|
||
}
|
||
if (image == (Image *) NULL)
|
||
{
|
||
read_info=DestroyImageInfo(read_info);
|
||
return(image);
|
||
}
|
||
if (exception->severity >= ErrorException)
|
||
(void) LogMagickEvent(ExceptionEvent,GetMagickModule(),
|
||
"Coder (%s) generated an image despite an error (%d), "
|
||
"notify the developers",image->magick,exception->severity);
|
||
if (IsBlobTemporary(image) != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(read_info->filename);
|
||
if ((GetNextImageInList(image) != (Image *) NULL) &&
|
||
(IsSceneGeometry(read_info->scenes,MagickFalse) != MagickFalse))
|
||
{
|
||
Image
|
||
*clones;
|
||
|
||
clones=CloneImages(image,read_info->scenes,exception);
|
||
if (clones == (Image *) NULL)
|
||
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
|
||
"SubimageSpecificationReturnsNoImages","`%s'",read_info->filename);
|
||
else
|
||
{
|
||
image=DestroyImageList(image);
|
||
image=GetFirstImageInList(clones);
|
||
}
|
||
}
|
||
if (GetBlobError(image) != MagickFalse)
|
||
{
|
||
ThrowFileException(exception,FileOpenError,
|
||
"AnErrorHasOccurredReadingFromFile",read_info->filename);
|
||
image=DestroyImageList(image);
|
||
read_info=DestroyImageInfo(read_info);
|
||
return((Image *) NULL);
|
||
}
|
||
for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
|
||
{
|
||
char
|
||
magick_path[MaxTextExtent],
|
||
*property,
|
||
timestamp[MaxTextExtent];
|
||
|
||
const char
|
||
*option;
|
||
|
||
const StringInfo
|
||
*profile;
|
||
|
||
next->taint=MagickFalse;
|
||
GetPathComponent(magick_filename,MagickPath,magick_path);
|
||
if (*magick_path == '\0')
|
||
(void) CopyMagickString(next->magick,magick,MaxTextExtent);
|
||
(void) CopyMagickString(next->magick_filename,magick_filename,
|
||
MaxTextExtent);
|
||
if (IsBlobTemporary(image) != MagickFalse)
|
||
(void) CopyMagickString(next->filename,filename,MaxTextExtent);
|
||
if (next->magick_columns == 0)
|
||
next->magick_columns=next->columns;
|
||
if (next->magick_rows == 0)
|
||
next->magick_rows=next->rows;
|
||
value=GetImageProperty(next,"tiff:Orientation");
|
||
if (value == (char *) NULL)
|
||
value=GetImageProperty(next,"exif:Orientation");
|
||
if (value != (char *) NULL)
|
||
{
|
||
next->orientation=(OrientationType) StringToLong(value);
|
||
(void) DeleteImageProperty(next,"tiff:Orientation");
|
||
(void) DeleteImageProperty(next,"exif:Orientation");
|
||
}
|
||
value=GetImageProperty(next,"exif:XResolution");
|
||
if (value != (char *) NULL)
|
||
{
|
||
geometry_info.rho=next->x_resolution;
|
||
geometry_info.sigma=1.0;
|
||
flags=ParseGeometry(value,&geometry_info);
|
||
if (geometry_info.sigma != 0)
|
||
next->x_resolution=geometry_info.rho/geometry_info.sigma;
|
||
(void) DeleteImageProperty(next,"exif:XResolution");
|
||
}
|
||
value=GetImageProperty(next,"exif:YResolution");
|
||
if (value != (char *) NULL)
|
||
{
|
||
geometry_info.rho=next->y_resolution;
|
||
geometry_info.sigma=1.0;
|
||
flags=ParseGeometry(value,&geometry_info);
|
||
if (geometry_info.sigma != 0)
|
||
next->y_resolution=geometry_info.rho/geometry_info.sigma;
|
||
(void) DeleteImageProperty(next,"exif:YResolution");
|
||
}
|
||
value=GetImageProperty(next,"tiff:ResolutionUnit");
|
||
if (value == (char *) NULL)
|
||
value=GetImageProperty(next,"exif:ResolutionUnit");
|
||
if (value != (char *) NULL)
|
||
{
|
||
next->units=(ResolutionType) (StringToLong(value)-1);
|
||
(void) DeleteImageProperty(next,"exif:ResolutionUnit");
|
||
(void) DeleteImageProperty(next,"tiff:ResolutionUnit");
|
||
}
|
||
if (next->page.width == 0)
|
||
next->page.width=next->columns;
|
||
if (next->page.height == 0)
|
||
next->page.height=next->rows;
|
||
option=GetImageOption(read_info,"caption");
|
||
if (option != (const char *) NULL)
|
||
{
|
||
property=InterpretImageProperties(read_info,next,option);
|
||
(void) SetImageProperty(next,"caption",property);
|
||
property=DestroyString(property);
|
||
}
|
||
option=GetImageOption(read_info,"comment");
|
||
if (option != (const char *) NULL)
|
||
{
|
||
property=InterpretImageProperties(read_info,next,option);
|
||
(void) SetImageProperty(next,"comment",property);
|
||
property=DestroyString(property);
|
||
}
|
||
option=GetImageOption(read_info,"label");
|
||
if (option != (const char *) NULL)
|
||
{
|
||
property=InterpretImageProperties(read_info,next,option);
|
||
(void) SetImageProperty(next,"label",property);
|
||
property=DestroyString(property);
|
||
}
|
||
if (LocaleCompare(next->magick,"TEXT") == 0)
|
||
(void) ParseAbsoluteGeometry("0x0+0+0",&next->page);
|
||
if ((read_info->extract != (char *) NULL) &&
|
||
(read_info->stream == (StreamHandler) NULL))
|
||
{
|
||
RectangleInfo
|
||
geometry;
|
||
|
||
flags=ParseAbsoluteGeometry(read_info->extract,&geometry);
|
||
if ((next->columns != geometry.width) ||
|
||
(next->rows != geometry.height))
|
||
{
|
||
if (((flags & XValue) != 0) || ((flags & YValue) != 0))
|
||
{
|
||
Image
|
||
*crop_image;
|
||
|
||
crop_image=CropImage(next,&geometry,exception);
|
||
if (crop_image != (Image *) NULL)
|
||
ReplaceImageInList(&next,crop_image);
|
||
}
|
||
else
|
||
if (((flags & WidthValue) != 0) || ((flags & HeightValue) != 0))
|
||
{
|
||
Image
|
||
*size_image;
|
||
|
||
flags=ParseRegionGeometry(next,read_info->extract,&geometry,
|
||
exception);
|
||
size_image=ResizeImage(next,geometry.width,geometry.height,
|
||
next->filter,next->blur,exception);
|
||
if (size_image != (Image *) NULL)
|
||
ReplaceImageInList(&next,size_image);
|
||
}
|
||
}
|
||
}
|
||
profile=GetImageProfile(next,"icc");
|
||
if (profile == (const StringInfo *) NULL)
|
||
profile=GetImageProfile(next,"icm");
|
||
if (profile != (const StringInfo *) NULL)
|
||
{
|
||
next->color_profile.length=GetStringInfoLength(profile);
|
||
next->color_profile.info=GetStringInfoDatum(profile);
|
||
}
|
||
profile=GetImageProfile(next,"iptc");
|
||
if (profile == (const StringInfo *) NULL)
|
||
profile=GetImageProfile(next,"8bim");
|
||
if (profile != (const StringInfo *) NULL)
|
||
{
|
||
next->iptc_profile.length=GetStringInfoLength(profile);
|
||
next->iptc_profile.info=GetStringInfoDatum(profile);
|
||
}
|
||
(void) FormatMagickTime(GetBlobProperties(next)->st_mtime,MaxTextExtent,
|
||
timestamp);
|
||
(void) SetImageProperty(next,"date:modify",timestamp);
|
||
(void) FormatMagickTime(GetBlobProperties(next)->st_ctime,MaxTextExtent,
|
||
timestamp);
|
||
(void) SetImageProperty(next,"date:create",timestamp);
|
||
option=GetImageOption(image_info,"delay");
|
||
if (option != (const char *) NULL)
|
||
{
|
||
GeometryInfo
|
||
geometry_info;
|
||
|
||
flags=ParseGeometry(option,&geometry_info);
|
||
if ((flags & GreaterValue) != 0)
|
||
{
|
||
if (next->delay > (size_t) floor(geometry_info.rho+0.5))
|
||
next->delay=(size_t) floor(geometry_info.rho+0.5);
|
||
}
|
||
else
|
||
if ((flags & LessValue) != 0)
|
||
{
|
||
if (next->delay < (size_t) floor(geometry_info.rho+0.5))
|
||
next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
|
||
}
|
||
else
|
||
next->delay=(size_t) floor(geometry_info.rho+0.5);
|
||
if ((flags & SigmaValue) != 0)
|
||
next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
|
||
}
|
||
option=GetImageOption(image_info,"dispose");
|
||
if (option != (const char *) NULL)
|
||
next->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions,
|
||
MagickFalse,option);
|
||
if (read_info->verbose != MagickFalse)
|
||
(void) IdentifyImage(next,stderr,MagickFalse);
|
||
image=next;
|
||
}
|
||
read_info=DestroyImageInfo(read_info);
|
||
return(GetFirstImageInList(image));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e a d I m a g e s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% ReadImages() reads one or more images and returns them as an image list.
|
||
%
|
||
% The format of the ReadImage method is:
|
||
%
|
||
% Image *ReadImages(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.
|
||
%
|
||
*/
|
||
MagickExport Image *ReadImages(const ImageInfo *image_info,
|
||
ExceptionInfo *exception)
|
||
{
|
||
char
|
||
filename[MaxTextExtent];
|
||
|
||
Image
|
||
*image,
|
||
*images;
|
||
|
||
ImageInfo
|
||
*read_info;
|
||
|
||
/*
|
||
Read image list from a file.
|
||
*/
|
||
assert(image_info != (ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickSignature);
|
||
if (image_info->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
||
image_info->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
(void) InterpretImageFilename(image_info,(Image *) NULL,image_info->filename,
|
||
(int) image_info->scene,filename);
|
||
if (LocaleCompare(filename,image_info->filename) != 0)
|
||
{
|
||
ExceptionInfo
|
||
*sans;
|
||
|
||
ssize_t
|
||
extent,
|
||
scene;
|
||
|
||
/*
|
||
Images of the form image-%d.png[1-5].
|
||
*/
|
||
read_info=CloneImageInfo(image_info);
|
||
sans=AcquireExceptionInfo();
|
||
(void) SetImageInfo(read_info,0,sans);
|
||
sans=DestroyExceptionInfo(sans);
|
||
if (read_info->number_scenes == 0)
|
||
{
|
||
read_info=DestroyImageInfo(read_info);
|
||
return(ReadImage(image_info,exception));
|
||
}
|
||
(void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
|
||
images=NewImageList();
|
||
extent=(ssize_t) (read_info->scene+read_info->number_scenes);
|
||
for (scene=(ssize_t) read_info->scene; scene < (ssize_t) extent; scene++)
|
||
{
|
||
(void) InterpretImageFilename(image_info,(Image *) NULL,filename,(int)
|
||
scene,read_info->filename);
|
||
image=ReadImage(read_info,exception);
|
||
if (image == (Image *) NULL)
|
||
continue;
|
||
AppendImageToList(&images,image);
|
||
}
|
||
read_info=DestroyImageInfo(read_info);
|
||
return(images);
|
||
}
|
||
return(ReadImage(image_info,exception));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ R e a d I n l i n e I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% ReadInlineImage() reads a Base64-encoded inline image or image sequence.
|
||
% The method returns a NULL if there is a memory shortage or if the image
|
||
% cannot be read. On failure, a NULL image is returned and exception
|
||
% describes the reason for the failure.
|
||
%
|
||
% The format of the ReadInlineImage method is:
|
||
%
|
||
% Image *ReadInlineImage(const ImageInfo *image_info,const char *content,
|
||
% ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o content: the image encoded in Base64.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport Image *ReadInlineImage(const ImageInfo *image_info,
|
||
const char *content,ExceptionInfo *exception)
|
||
{
|
||
Image
|
||
*image;
|
||
|
||
ImageInfo
|
||
*read_info;
|
||
|
||
unsigned char
|
||
*blob;
|
||
|
||
size_t
|
||
length;
|
||
|
||
register const char
|
||
*p;
|
||
|
||
/*
|
||
Skip over header (e.g. data:image/gif;base64,).
|
||
*/
|
||
image=NewImageList();
|
||
for (p=content; (*p != ',') && (*p != '\0'); p++) ;
|
||
if (*p == '\0')
|
||
ThrowReaderException(CorruptImageError,"CorruptImage");
|
||
p++;
|
||
length=0;
|
||
blob=Base64Decode(p,&length);
|
||
if (length == 0)
|
||
ThrowReaderException(CorruptImageError,"CorruptImage");
|
||
read_info=CloneImageInfo(image_info);
|
||
(void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
|
||
(void *) NULL);
|
||
*read_info->filename='\0';
|
||
*read_info->magick='\0';
|
||
image=BlobToImage(read_info,blob,length,exception);
|
||
blob=(unsigned char *) RelinquishMagickMemory(blob);
|
||
read_info=DestroyImageInfo(read_info);
|
||
return(image);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% W r i t e I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% WriteImage() writes an image or an image sequence to a file or file handle.
|
||
% If writing to a file is on disk, the name is defined by the filename member
|
||
% of the image structure. WriteImage() returns MagickFalse is there is a
|
||
% memory shortage or if the image cannot be written. Check the exception
|
||
% member of image to determine the cause for any failure.
|
||
%
|
||
% The format of the WriteImage method is:
|
||
%
|
||
% MagickBooleanType WriteImage(const ImageInfo *image_info,Image *image)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o image: the image.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType WriteImage(const ImageInfo *image_info,
|
||
Image *image)
|
||
{
|
||
char
|
||
filename[MaxTextExtent];
|
||
|
||
const char
|
||
*option;
|
||
|
||
const DelegateInfo
|
||
*delegate_info;
|
||
|
||
const MagickInfo
|
||
*magick_info;
|
||
|
||
ExceptionInfo
|
||
*sans_exception;
|
||
|
||
ImageInfo
|
||
*write_info;
|
||
|
||
MagickBooleanType
|
||
status,
|
||
temporary;
|
||
|
||
MagickStatusType
|
||
thread_support;
|
||
|
||
PolicyDomain
|
||
domain;
|
||
|
||
PolicyRights
|
||
rights;
|
||
|
||
/*
|
||
Determine image type from filename prefix or suffix (e.g. image.jpg).
|
||
*/
|
||
assert(image_info != (ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
||
image_info->filename);
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickSignature);
|
||
sans_exception=AcquireExceptionInfo();
|
||
write_info=CloneImageInfo(image_info);
|
||
(void) CopyMagickString(write_info->filename,image->filename,MaxTextExtent);
|
||
if (*write_info->magick == '\0')
|
||
(void) CopyMagickString(write_info->magick,image->magick,MaxTextExtent);
|
||
(void) SetImageInfo(write_info,1,sans_exception);
|
||
if (LocaleCompare(write_info->magick,"clipmask") == 0)
|
||
{
|
||
if (image->clip_mask == (Image *) NULL)
|
||
{
|
||
(void) ThrowMagickException(&image->exception,GetMagickModule(),
|
||
OptionError,"NoClipPathDefined","`%s'",image->filename);
|
||
write_info=DestroyImageInfo(write_info);
|
||
return(MagickFalse);
|
||
}
|
||
image=image->clip_mask;
|
||
(void) SetImageInfo(write_info,1,sans_exception);
|
||
}
|
||
(void) CopyMagickString(filename,image->filename,MaxTextExtent);
|
||
(void) CopyMagickString(image->filename,write_info->filename,MaxTextExtent);
|
||
domain=CoderPolicyDomain;
|
||
rights=WritePolicyRights;
|
||
if (IsRightsAuthorized(domain,rights,write_info->magick) == MagickFalse)
|
||
{
|
||
sans_exception=DestroyExceptionInfo(sans_exception);
|
||
write_info=DestroyImageInfo(write_info);
|
||
errno=EPERM;
|
||
ThrowBinaryException(PolicyError,"NotAuthorized",filename);
|
||
}
|
||
/*
|
||
Call appropriate image reader based on image type.
|
||
*/
|
||
magick_info=GetMagickInfo(write_info->magick,sans_exception);
|
||
sans_exception=DestroyExceptionInfo(sans_exception);
|
||
if (magick_info != (const MagickInfo *) NULL)
|
||
{
|
||
if (GetMagickEndianSupport(magick_info) == MagickFalse)
|
||
image->endian=UndefinedEndian;
|
||
else
|
||
if ((image_info->endian == UndefinedEndian) &&
|
||
(GetMagickRawSupport(magick_info) != MagickFalse))
|
||
{
|
||
size_t
|
||
lsb_first;
|
||
|
||
lsb_first=1;
|
||
image->endian=(*(char *) &lsb_first) == 1 ? LSBEndian : MSBEndian;
|
||
}
|
||
}
|
||
(void) SyncImageProfiles(image);
|
||
option=GetImageOption(image_info,"delegate:bimodal");
|
||
if ((option != (const char *) NULL) &&
|
||
(IsMagickTrue(option) != MagickFalse) &&
|
||
(write_info->page == (char *) NULL) &&
|
||
(GetPreviousImageInList(image) == (Image *) NULL) &&
|
||
(GetNextImageInList(image) == (Image *) NULL) &&
|
||
(IsTaintImage(image) == MagickFalse))
|
||
{
|
||
delegate_info=GetDelegateInfo(image->magick,write_info->magick,
|
||
&image->exception);
|
||
if ((delegate_info != (const DelegateInfo *) NULL) &&
|
||
(GetDelegateMode(delegate_info) == 0) &&
|
||
(IsPathAccessible(image->magick_filename) != MagickFalse))
|
||
{
|
||
/*
|
||
Process image with bi-modal delegate.
|
||
*/
|
||
(void) CopyMagickString(image->filename,image->magick_filename,
|
||
MaxTextExtent);
|
||
status=InvokeDelegate(write_info,image,image->magick,
|
||
write_info->magick,&image->exception);
|
||
write_info=DestroyImageInfo(write_info);
|
||
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
|
||
return(status);
|
||
}
|
||
}
|
||
status=MagickFalse;
|
||
temporary=MagickFalse;
|
||
if ((magick_info != (const MagickInfo *) NULL) &&
|
||
(GetMagickSeekableStream(magick_info) != MagickFalse))
|
||
{
|
||
char
|
||
filename[MaxTextExtent];
|
||
|
||
(void) CopyMagickString(filename,image->filename,MaxTextExtent);
|
||
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
|
||
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
|
||
if (status != MagickFalse)
|
||
{
|
||
if (IsBlobSeekable(image) == MagickFalse)
|
||
{
|
||
/*
|
||
A seekable stream is required by the encoder.
|
||
*/
|
||
write_info->adjoin=MagickTrue;
|
||
(void) CopyMagickString(write_info->filename,image->filename,
|
||
MaxTextExtent);
|
||
(void) AcquireUniqueFilename(image->filename);
|
||
temporary=MagickTrue;
|
||
}
|
||
(void) CloseBlob(image);
|
||
}
|
||
}
|
||
if (constitute_semaphore == (SemaphoreInfo *) NULL)
|
||
AcquireSemaphoreInfo(&constitute_semaphore);
|
||
if ((magick_info != (const MagickInfo *) NULL) &&
|
||
(GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
|
||
{
|
||
/*
|
||
Call appropriate image writer based on image type.
|
||
*/
|
||
thread_support=GetMagickThreadSupport(magick_info);
|
||
if ((thread_support & EncoderThreadSupport) == 0)
|
||
LockSemaphoreInfo(constitute_semaphore);
|
||
status=GetImageEncoder(magick_info)(write_info,image);
|
||
if ((thread_support & EncoderThreadSupport) == 0)
|
||
UnlockSemaphoreInfo(constitute_semaphore);
|
||
}
|
||
else
|
||
{
|
||
delegate_info=GetDelegateInfo((char *) NULL,write_info->magick,
|
||
&image->exception);
|
||
if (delegate_info != (DelegateInfo *) NULL)
|
||
{
|
||
/*
|
||
Process the image with delegate.
|
||
*/
|
||
*write_info->filename='\0';
|
||
if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
|
||
LockSemaphoreInfo(constitute_semaphore);
|
||
status=InvokeDelegate(write_info,image,(char *) NULL,
|
||
write_info->magick,&image->exception);
|
||
if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
|
||
UnlockSemaphoreInfo(constitute_semaphore);
|
||
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
|
||
}
|
||
else
|
||
{
|
||
sans_exception=AcquireExceptionInfo();
|
||
magick_info=GetMagickInfo(write_info->magick,sans_exception);
|
||
sans_exception=DestroyExceptionInfo(sans_exception);
|
||
if ((write_info->affirm == MagickFalse) &&
|
||
(magick_info == (const MagickInfo *) NULL))
|
||
{
|
||
(void) CopyMagickString(write_info->magick,image->magick,
|
||
MaxTextExtent);
|
||
magick_info=GetMagickInfo(write_info->magick,&image->exception);
|
||
}
|
||
if ((magick_info == (const MagickInfo *) NULL) ||
|
||
(GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
|
||
{
|
||
char
|
||
extension[MaxTextExtent];
|
||
|
||
GetPathComponent(image->filename,ExtensionPath,extension);
|
||
if (*extension != '\0')
|
||
magick_info=GetMagickInfo(extension,&image->exception);
|
||
else
|
||
magick_info=GetMagickInfo(image->magick,&image->exception);
|
||
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
|
||
}
|
||
if ((magick_info == (const MagickInfo *) NULL) ||
|
||
(GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
|
||
{
|
||
magick_info=GetMagickInfo(image->magick,&image->exception);
|
||
if ((magick_info == (const MagickInfo *) NULL) ||
|
||
(GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
|
||
(void) ThrowMagickException(&image->exception,GetMagickModule(),
|
||
MissingDelegateError,"NoEncodeDelegateForThisImageFormat",
|
||
"`%s'",image->filename);
|
||
else
|
||
(void) ThrowMagickException(&image->exception,GetMagickModule(),
|
||
MissingDelegateWarning,"NoEncodeDelegateForThisImageFormat",
|
||
"`%s'",image->filename);
|
||
}
|
||
if ((magick_info != (const MagickInfo *) NULL) &&
|
||
(GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
|
||
{
|
||
/*
|
||
Call appropriate image writer based on image type.
|
||
*/
|
||
thread_support=GetMagickThreadSupport(magick_info);
|
||
if ((thread_support & EncoderThreadSupport) == 0)
|
||
LockSemaphoreInfo(constitute_semaphore);
|
||
status=GetImageEncoder(magick_info)(write_info,image);
|
||
if ((thread_support & EncoderThreadSupport) == 0)
|
||
UnlockSemaphoreInfo(constitute_semaphore);
|
||
}
|
||
}
|
||
}
|
||
if (GetBlobError(image) != MagickFalse)
|
||
ThrowFileException(&image->exception,FileOpenError,
|
||
"AnErrorHasOccurredWritingToFile",image->filename);
|
||
if (temporary == MagickTrue)
|
||
{
|
||
/*
|
||
Copy temporary image file to permanent.
|
||
*/
|
||
status=OpenBlob(write_info,image,ReadBinaryBlobMode,&image->exception);
|
||
if (status != MagickFalse)
|
||
{
|
||
(void) RelinquishUniqueFileResource(write_info->filename);
|
||
status=ImageToFile(image,write_info->filename,&image->exception);
|
||
}
|
||
(void) CloseBlob(image);
|
||
(void) RelinquishUniqueFileResource(image->filename);
|
||
(void) CopyMagickString(image->filename,write_info->filename,
|
||
MaxTextExtent);
|
||
}
|
||
if ((LocaleCompare(write_info->magick,"info") != 0) &&
|
||
(write_info->verbose != MagickFalse))
|
||
(void) IdentifyImage(image,stderr,MagickFalse);
|
||
write_info=DestroyImageInfo(write_info);
|
||
return(status);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% W r i t e I m a g e s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% WriteImages() writes an image sequence into one or more files. While
|
||
% WriteImage() can write an image sequence, it is limited to writing
|
||
% the sequence into a single file using a format which supports multiple
|
||
% frames. WriteImages(), however, does not have this limitation, instead it
|
||
% generates multiple output files if necessary (or when requested). When
|
||
% ImageInfo's adjoin flag is set to MagickFalse, the file name is expected
|
||
% to include a printf-style formatting string for the frame number (e.g.
|
||
% "image%02d.png").
|
||
%
|
||
% The format of the WriteImages method is:
|
||
%
|
||
% MagickBooleanType WriteImages(const ImageInfo *image_info,Image *images,
|
||
% const char *filename,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o images: the image list.
|
||
%
|
||
% o filename: the image filename.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType WriteImages(const ImageInfo *image_info,
|
||
Image *images,const char *filename,ExceptionInfo *exception)
|
||
{
|
||
#define WriteImageTag "Write/Image"
|
||
|
||
BlobInfo
|
||
*blob;
|
||
|
||
ExceptionInfo
|
||
*sans_exception;
|
||
|
||
ImageInfo
|
||
*write_info;
|
||
|
||
MagickBooleanType
|
||
proceed;
|
||
|
||
MagickOffsetType
|
||
i;
|
||
|
||
MagickProgressMonitor
|
||
progress_monitor;
|
||
|
||
MagickSizeType
|
||
number_images;
|
||
|
||
MagickStatusType
|
||
status;
|
||
|
||
register Image
|
||
*p;
|
||
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickSignature);
|
||
assert(images != (Image *) NULL);
|
||
assert(images->signature == MagickSignature);
|
||
if (images->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
write_info=CloneImageInfo(image_info);
|
||
images=GetFirstImageInList(images);
|
||
blob=CloneBlobInfo(images->blob); /* thread specific I/O handler */
|
||
DestroyBlob(images);
|
||
images->blob=blob;
|
||
if (filename != (const char *) NULL)
|
||
for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
|
||
(void) CopyMagickString(p->filename,filename,MaxTextExtent);
|
||
(void) CopyMagickString(write_info->filename,images->filename,MaxTextExtent);
|
||
if (*write_info->magick == '\0')
|
||
(void) CopyMagickString(write_info->magick,images->magick,MaxTextExtent);
|
||
sans_exception=AcquireExceptionInfo();
|
||
(void) SetImageInfo(write_info,(unsigned int) GetImageListLength(images),
|
||
sans_exception);
|
||
sans_exception=DestroyExceptionInfo(sans_exception);
|
||
p=images;
|
||
for ( ; GetNextImageInList(p) != (Image *) NULL; p=GetNextImageInList(p))
|
||
if (p->scene >= GetNextImageInList(p)->scene)
|
||
{
|
||
register ssize_t
|
||
i;
|
||
|
||
/*
|
||
Generate consistent scene numbers.
|
||
*/
|
||
i=(ssize_t) images->scene;
|
||
for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
|
||
p->scene=(size_t) i++;
|
||
break;
|
||
}
|
||
/*
|
||
Write images.
|
||
*/
|
||
status=MagickTrue;
|
||
progress_monitor=(MagickProgressMonitor) NULL;
|
||
i=0;
|
||
number_images=GetImageListLength(images);
|
||
for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
|
||
{
|
||
if (number_images != 1)
|
||
progress_monitor=SetImageProgressMonitor(p,(MagickProgressMonitor) NULL,
|
||
p->client_data);
|
||
status&=WriteImage(write_info,p);
|
||
GetImageException(p,exception);
|
||
if (number_images != 1)
|
||
(void) SetImageProgressMonitor(p,progress_monitor,p->client_data);
|
||
if (write_info->adjoin != MagickFalse)
|
||
break;
|
||
if (number_images != 1)
|
||
{
|
||
proceed=SetImageProgress(p,WriteImageTag,i++,number_images);
|
||
if (proceed == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
write_info=DestroyImageInfo(write_info);
|
||
return(status != 0 ? MagickTrue : MagickFalse);
|
||
}
|