forked from openkylin/imagemagick
754 lines
26 KiB
C
754 lines
26 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% SSSSS TTTTT RRRR EEEEE AAA M M %
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% SS T R R E A A MM MM %
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% SSS T RRRR EEE AAAAA M M M %
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% SS T R R E A A M M %
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% SSSSS T R R EEEEE A A M M %
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% %
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% %
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% Stream Image to a Raw Image Format %
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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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% Stream is a lightweight tool to stream one or more pixel components of the
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% image or portion of the image to your choice of storage formats. It writes
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% the pixel components as they are read from the input image a row at a time
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% making stream desirable when working with large images or when you require
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% raw pixel components.
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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 "wand/studio.h"
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#include "wand/MagickWand.h"
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#include "wand/mogrify-private.h"
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#include "magick/stream-private.h"
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#include "magick/string-private.h"
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% S t r e a m I m a g e C o m m a n d %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% StreamImageCommand() is a lightweight method designed to extract pixels
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% from large image files to a raw format using a minimum of system resources.
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% The entire image or any regular portion of the image can be extracted.
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%
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% The format of the StreamImageCommand method is:
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%
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% MagickBooleanType StreamImageCommand(ImageInfo *image_info,int argc,
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% char **argv,char **metadata,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 argc: the number of elements in the argument vector.
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%
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% o argv: A text array containing the command line arguments.
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%
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% o metadata: any metadata is returned here.
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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 MagickBooleanType StreamUsage(void)
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{
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static const char
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miscellaneous[] =
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" -debug events display copious debugging information\n"
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" -help print program options\n"
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" -list type print a list of supported option arguments\n"
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" -log format format of debugging information\n"
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" -version print version information",
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settings[] =
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" -authenticate password\n"
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" decipher image with this password\n"
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" -channel type apply option to select image channels\n"
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" -colorspace type alternate image colorspace\n"
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" -compress type type of pixel compression when writing the image\n"
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" -define format:option\n"
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" define one or more image format options\n"
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" -density geometry horizontal and vertical density of the image\n"
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" -depth value image depth\n"
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" -extract geometry extract area from image\n"
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" -identify identify the format and characteristics of the image\n"
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" -interlace type type of image interlacing scheme\n"
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" -interpolate method pixel color interpolation method\n"
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" -limit type value pixel cache resource limit\n"
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" -map components one or more pixel components\n"
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" -monitor monitor progress\n"
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" -quantize colorspace reduce colors in this colorspace\n"
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" -quiet suppress all warning messages\n"
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" -regard-warnings pay attention to warning messages\n"
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" -respect-parentheses settings remain in effect until parenthesis boundary\n"
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" -sampling-factor geometry\n"
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" horizontal and vertical sampling factor\n"
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" -seed value seed a new sequence of pseudo-random numbers\n"
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" -set attribute value set an image attribute\n"
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" -size geometry width and height of image\n"
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" -storage-type type pixel storage type\n"
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" -synchronize synchronize image to storage device\n"
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" -taint declare the image as modified\n"
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" -transparent-color color\n"
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" transparent color\n"
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" -verbose print detailed information about the image\n"
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" -virtual-pixel method\n"
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" virtual pixel access method";
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ListMagickVersion(stdout);
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(void) printf("Usage: %s [options ...] input-image raw-image\n",
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GetClientName());
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(void) printf("\nImage Settings:\n");
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(void) puts(settings);
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(void) printf("\nMiscellaneous Options:\n");
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(void) puts(miscellaneous);
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(void) printf(
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"\nBy default, the image format of `file' is determined by its magic\n");
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(void) printf(
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"number. To specify a particular image format, precede the filename\n");
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(void) printf(
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"with an image format name and a colon (i.e. ps:image) or specify the\n");
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(void) printf(
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"image type as the filename suffix (i.e. image.ps). Specify 'file' as\n");
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(void) printf("'-' for standard input or output.\n");
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return(MagickTrue);
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}
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WandExport MagickBooleanType StreamImageCommand(ImageInfo *image_info,
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int argc,char **argv,char **metadata,ExceptionInfo *exception)
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{
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#define DestroyStream() \
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{ \
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DestroyImageStack(); \
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stream_info=DestroyStreamInfo(stream_info); \
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for (i=0; i < (ssize_t) argc; i++) \
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argv[i]=DestroyString(argv[i]); \
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argv=(char **) RelinquishMagickMemory(argv); \
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}
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#define ThrowStreamException(asperity,tag,option) \
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{ \
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(void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"`%s'", \
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option); \
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DestroyStream(); \
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return(MagickFalse); \
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}
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#define ThrowStreamInvalidArgumentException(option,argument) \
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{ \
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(void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
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"InvalidArgument","`%s': %s",option,argument); \
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DestroyStream(); \
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return(MagickFalse); \
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}
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char
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*filename,
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*option;
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const char
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*format;
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Image
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*image;
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ImageStack
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image_stack[MaxImageStackDepth+1];
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MagickBooleanType
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fire,
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pend,
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respect_parenthesis;
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MagickStatusType
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status;
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ssize_t
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i;
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ssize_t
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j,
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k;
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StreamInfo
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*stream_info;
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/*
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Set defaults.
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*/
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assert(image_info != (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(),"...");
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assert(exception != (ExceptionInfo *) NULL);
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(void) metadata;
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if (argc == 2)
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{
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option=argv[1];
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if ((LocaleCompare("version",option+1) == 0) ||
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(LocaleCompare("-version",option+1) == 0))
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{
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ListMagickVersion(stdout);
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return(MagickTrue);
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}
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}
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if (argc < 3)
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return(StreamUsage());
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format="%w,%h,%m";
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(void) format;
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j=1;
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k=0;
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NewImageStack();
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option=(char *) NULL;
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pend=MagickFalse;
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respect_parenthesis=MagickFalse;
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stream_info=AcquireStreamInfo(image_info);
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status=MagickTrue;
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/*
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Stream an image.
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*/
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ReadCommandlLine(argc,&argv);
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status=ExpandFilenames(&argc,&argv);
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if (status == MagickFalse)
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ThrowStreamException(ResourceLimitError,"MemoryAllocationFailed",
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GetExceptionMessage(errno));
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status=OpenStream(image_info,stream_info,argv[argc-1],exception);
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if (status == MagickFalse)
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{
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DestroyStream();
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return(MagickFalse);
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}
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for (i=1; i < (ssize_t) (argc-1); i++)
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{
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option=argv[i];
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if (LocaleCompare(option,"(") == 0)
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{
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FireImageStack(MagickFalse,MagickTrue,pend);
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if (k == MaxImageStackDepth)
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ThrowStreamException(OptionError,"ParenthesisNestedTooDeeply",option);
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PushImageStack();
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continue;
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}
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if (LocaleCompare(option,")") == 0)
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{
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FireImageStack(MagickFalse,MagickTrue,MagickTrue);
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if (k == 0)
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ThrowStreamException(OptionError,"UnableToParseExpression",option);
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PopImageStack();
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continue;
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}
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if (IsCommandOption(option) == MagickFalse)
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{
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Image
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*images;
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/*
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Stream input image.
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*/
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FireImageStack(MagickFalse,MagickFalse,pend);
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filename=argv[i];
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if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1)))
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filename=argv[++i];
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(void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
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images=StreamImage(image_info,stream_info,exception);
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status&=(images != (Image *) NULL) &&
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(exception->severity < ErrorException);
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if (images == (Image *) NULL)
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continue;
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AppendImageStack(images);
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continue;
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}
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pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
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switch (*(option+1))
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{
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case 'a':
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{
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if (LocaleCompare("authenticate",option+1) == 0)
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{
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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break;
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}
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ThrowStreamException(OptionError,"UnrecognizedOption",option)
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}
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case 'c':
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{
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if (LocaleCompare("cache",option+1) == 0)
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{
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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if (IsGeometry(argv[i]) == MagickFalse)
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ThrowStreamInvalidArgumentException(option,argv[i]);
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break;
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}
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if (LocaleCompare("channel",option+1) == 0)
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{
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ssize_t
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channel;
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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channel=ParseChannelOption(argv[i]);
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if (channel < 0)
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ThrowStreamException(OptionError,"UnrecognizedChannelType",
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argv[i]);
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break;
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}
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if (LocaleCompare("colorspace",option+1) == 0)
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{
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ssize_t
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colorspace;
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
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argv[i]);
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if (colorspace < 0)
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ThrowStreamException(OptionError,"UnrecognizedColorspace",
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argv[i]);
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break;
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}
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if (LocaleCompare("compress",option+1) == 0)
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{
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ssize_t
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compress;
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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compress=ParseCommandOption(MagickCompressOptions,MagickFalse,
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argv[i]);
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if (compress < 0)
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ThrowStreamException(OptionError,"UnrecognizedImageCompression",
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argv[i]);
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break;
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}
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if (LocaleCompare("concurrent",option+1) == 0)
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break;
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ThrowStreamException(OptionError,"UnrecognizedOption",option)
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}
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case 'd':
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{
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if (LocaleCompare("debug",option+1) == 0)
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{
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ssize_t
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event;
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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event=ParseCommandOption(MagickLogEventOptions,MagickFalse,argv[i]);
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if (event < 0)
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ThrowStreamException(OptionError,"UnrecognizedEventType",argv[i]);
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(void) SetLogEventMask(argv[i]);
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break;
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}
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if (LocaleCompare("define",option+1) == 0)
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{
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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if (*option == '+')
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{
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const char
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*define;
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define=GetImageOption(image_info,argv[i]);
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if (define == (const char *) NULL)
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ThrowStreamException(OptionError,"NoSuchOption",argv[i]);
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break;
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}
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break;
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}
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if (LocaleCompare("density",option+1) == 0)
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{
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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if (IsGeometry(argv[i]) == MagickFalse)
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ThrowStreamInvalidArgumentException(option,argv[i]);
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break;
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}
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if (LocaleCompare("depth",option+1) == 0)
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{
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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if (IsGeometry(argv[i]) == MagickFalse)
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ThrowStreamInvalidArgumentException(option,argv[i]);
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break;
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}
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if (LocaleCompare("duration",option+1) == 0)
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{
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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if (IsGeometry(argv[i]) == MagickFalse)
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ThrowStreamInvalidArgumentException(option,argv[i]);
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break;
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}
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ThrowStreamException(OptionError,"UnrecognizedOption",option)
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}
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case 'e':
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{
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if (LocaleCompare("extract",option+1) == 0)
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{
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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if (IsGeometry(argv[i]) == MagickFalse)
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ThrowStreamInvalidArgumentException(option,argv[i]);
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break;
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}
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ThrowStreamException(OptionError,"UnrecognizedOption",option)
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}
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case 'h':
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{
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if ((LocaleCompare("help",option+1) == 0) ||
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(LocaleCompare("-help",option+1) == 0))
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{
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DestroyStream();
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return(StreamUsage());
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}
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ThrowStreamException(OptionError,"UnrecognizedOption",option)
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}
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case 'i':
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{
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if (LocaleCompare("identify",option+1) == 0)
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break;
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if (LocaleCompare("interlace",option+1) == 0)
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{
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ssize_t
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interlace;
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse,
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argv[i]);
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if (interlace < 0)
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ThrowStreamException(OptionError,"UnrecognizedInterlaceType",
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argv[i]);
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break;
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}
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if (LocaleCompare("interpolate",option+1) == 0)
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{
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ssize_t
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interpolate;
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse,
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argv[i]);
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if (interpolate < 0)
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ThrowStreamException(OptionError,"UnrecognizedInterpolateMethod",
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argv[i]);
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break;
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}
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ThrowStreamException(OptionError,"UnrecognizedOption",option)
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}
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case 'l':
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{
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if (LocaleCompare("limit",option+1) == 0)
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{
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char
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*p;
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double
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value;
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ssize_t
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resource;
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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resource=ParseCommandOption(MagickResourceOptions,MagickFalse,
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argv[i]);
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if (resource < 0)
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ThrowStreamException(OptionError,"UnrecognizedResourceType",
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argv[i]);
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
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value=StringToDouble(argv[i],&p);
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(void) value;
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if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0))
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ThrowStreamInvalidArgumentException(option,argv[i]);
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break;
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}
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if (LocaleCompare("list",option+1) == 0)
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{
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ssize_t
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list;
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if (*option == '+')
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break;
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i++;
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if (i == (ssize_t) argc)
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ThrowStreamException(OptionError,"MissingArgument",option);
|
||
list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]);
|
||
if (list < 0)
|
||
ThrowStreamException(OptionError,"UnrecognizedListType",argv[i]);
|
||
status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
|
||
argv+j,exception);
|
||
DestroyStream();
|
||
return(status == 0 ? MagickFalse : MagickTrue);
|
||
}
|
||
if (LocaleCompare("log",option+1) == 0)
|
||
{
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL))
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
break;
|
||
}
|
||
ThrowStreamException(OptionError,"UnrecognizedOption",option)
|
||
}
|
||
case 'm':
|
||
{
|
||
if (LocaleCompare("map",option+1) == 0)
|
||
{
|
||
(void) CopyMagickString(argv[i]+1,"san",MaxTextExtent);
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
SetStreamInfoMap(stream_info,argv[i]);
|
||
break;
|
||
}
|
||
if (LocaleCompare("monitor",option+1) == 0)
|
||
break;
|
||
ThrowStreamException(OptionError,"UnrecognizedOption",option)
|
||
}
|
||
case 'q':
|
||
{
|
||
if (LocaleCompare("quantize",option+1) == 0)
|
||
{
|
||
ssize_t
|
||
colorspace;
|
||
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
colorspace=ParseCommandOption(MagickColorspaceOptions,
|
||
MagickFalse,argv[i]);
|
||
if (colorspace < 0)
|
||
ThrowStreamException(OptionError,"UnrecognizedColorspace",
|
||
argv[i]);
|
||
break;
|
||
}
|
||
if (LocaleCompare("quiet",option+1) == 0)
|
||
break;
|
||
ThrowStreamException(OptionError,"UnrecognizedOption",option)
|
||
}
|
||
case 'r':
|
||
{
|
||
if (LocaleCompare("regard-warnings",option+1) == 0)
|
||
break;
|
||
if (LocaleNCompare("respect-parentheses",option+1,17) == 0)
|
||
{
|
||
respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse;
|
||
break;
|
||
}
|
||
ThrowStreamException(OptionError,"UnrecognizedOption",option)
|
||
}
|
||
case 's':
|
||
{
|
||
if (LocaleCompare("sampling-factor",option+1) == 0)
|
||
{
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
if (IsGeometry(argv[i]) == MagickFalse)
|
||
ThrowStreamInvalidArgumentException(option,argv[i]);
|
||
break;
|
||
}
|
||
if (LocaleCompare("seed",option+1) == 0)
|
||
{
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
if (IsGeometry(argv[i]) == MagickFalse)
|
||
ThrowStreamInvalidArgumentException(option,argv[i]);
|
||
break;
|
||
}
|
||
if (LocaleCompare("set",option+1) == 0)
|
||
{
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
break;
|
||
}
|
||
if (LocaleCompare("size",option+1) == 0)
|
||
{
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
if (IsGeometry(argv[i]) == MagickFalse)
|
||
ThrowStreamInvalidArgumentException(option,argv[i]);
|
||
break;
|
||
}
|
||
if (LocaleCompare("storage-type",option+1) == 0)
|
||
{
|
||
ssize_t
|
||
type;
|
||
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
type=ParseCommandOption(MagickStorageOptions,MagickFalse,argv[i]);
|
||
if (type < 0)
|
||
ThrowStreamException(OptionError,"UnrecognizedStorageType",
|
||
argv[i]);
|
||
SetStreamInfoStorageType(stream_info,(StorageType) type);
|
||
break;
|
||
}
|
||
if (LocaleCompare("synchronize",option+1) == 0)
|
||
break;
|
||
ThrowStreamException(OptionError,"UnrecognizedOption",option)
|
||
}
|
||
case 't':
|
||
{
|
||
if (LocaleCompare("taint",option+1) == 0)
|
||
break;
|
||
if (LocaleCompare("transparent-color",option+1) == 0)
|
||
{
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
break;
|
||
}
|
||
ThrowStreamException(OptionError,"UnrecognizedOption",option)
|
||
}
|
||
case 'v':
|
||
{
|
||
if (LocaleCompare("verbose",option+1) == 0)
|
||
break;
|
||
if ((LocaleCompare("version",option+1) == 0) ||
|
||
(LocaleCompare("-version",option+1) == 0))
|
||
{
|
||
ListMagickVersion(stdout);
|
||
break;
|
||
}
|
||
if (LocaleCompare("virtual-pixel",option+1) == 0)
|
||
{
|
||
ssize_t
|
||
method;
|
||
|
||
if (*option == '+')
|
||
break;
|
||
i++;
|
||
if (i == (ssize_t) argc)
|
||
ThrowStreamException(OptionError,"MissingArgument",option);
|
||
method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
|
||
argv[i]);
|
||
if (method < 0)
|
||
ThrowStreamException(OptionError,"UnrecognizedVirtualPixelMethod",
|
||
argv[i]);
|
||
break;
|
||
}
|
||
ThrowStreamException(OptionError,"UnrecognizedOption",option)
|
||
}
|
||
case '?':
|
||
break;
|
||
default:
|
||
ThrowStreamException(OptionError,"UnrecognizedOption",option)
|
||
}
|
||
fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) &
|
||
FireOptionFlag) == 0 ? MagickFalse : MagickTrue;
|
||
if (fire != MagickFalse)
|
||
FireImageStack(MagickFalse,MagickTrue,MagickTrue);
|
||
}
|
||
if (k != 0)
|
||
ThrowStreamException(OptionError,"UnbalancedParenthesis",argv[i]);
|
||
if (i-- != (ssize_t) (argc-1))
|
||
ThrowStreamException(OptionError,"MissingAnImageFilename",argv[i]);
|
||
if (image == (Image *) NULL)
|
||
ThrowStreamException(OptionError,"MissingAnImageFilename",argv[i]);
|
||
FinalizeImageSettings(image_info,image,MagickTrue);
|
||
if (image == (Image *) NULL)
|
||
ThrowStreamException(OptionError,"MissingAnImageFilename",argv[i]);
|
||
DestroyStream();
|
||
return(status != 0 ? MagickTrue : MagickFalse);
|
||
}
|