forked from openkylin/imagemagick
888 lines
30 KiB
C
888 lines
30 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% TTTTT X X TTTTT %
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% T X X T %
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% T X T %
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% T X X T %
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% T X X T %
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% %
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% %
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% Render Text Onto A Canvas Image. %
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% %
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% Software Design %
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% Cristy %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/annotate.h"
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#include "magick/attribute.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/cache.h"
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#include "magick/color.h"
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#include "magick/color-private.h"
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#include "magick/colorspace.h"
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#include "magick/constitute.h"
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#include "magick/draw.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/geometry.h"
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#include "magick/image.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/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-accessor.h"
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#include "magick/pixel-private.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/statistic.h"
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#include "magick/string_.h"
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#include "magick/module.h"
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/*
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Forward declarations.
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*/
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static MagickBooleanType
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WriteTXTImage(const ImageInfo *,Image *);
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% I s T X T %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% IsTXT() returns MagickTrue if the image format type, identified by the magick
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% string, is TXT.
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%
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% The format of the IsTXT method is:
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%
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% MagickBooleanType IsTXT(const unsigned char *magick,const size_t length)
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%
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% A description of each parameter follows:
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%
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% o magick: compare image format pattern against these bytes.
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%
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% o length: Specifies the length of the magick string.
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%
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*/
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static MagickBooleanType IsTXT(const unsigned char *magick,const size_t length)
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{
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#define MagickID "# ImageMagick pixel enumeration:"
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char
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colorspace[MaxTextExtent];
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ssize_t
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count;
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unsigned long
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columns,
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depth,
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rows;
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if (length < 40)
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return(MagickFalse);
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if (LocaleNCompare((const char *) magick,MagickID,strlen(MagickID)) != 0)
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return(MagickFalse);
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count=(ssize_t) sscanf((const char *) magick+32,"%lu,%lu,%lu,%32s",&columns,
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&rows,&depth,colorspace);
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if (count != 4)
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return(MagickFalse);
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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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% R e a d T E X T 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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% ReadTEXTImage() reads a text file and returns it as an image. It
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% allocates the memory necessary for the new Image structure and returns a
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% pointer to the new image.
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%
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% The format of the ReadTEXTImage method is:
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%
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% Image *ReadTEXTImage(const ImageInfo *image_info,Image *image,
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% char *text,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 image: the image.
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%
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% o text: the text storage buffer.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static Image *ReadTEXTImage(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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geometry[MaxTextExtent],
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*p,
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text[MaxTextExtent];
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DrawInfo
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*draw_info;
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Image
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*image,
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*texture;
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MagickBooleanType
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status;
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PointInfo
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delta;
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RectangleInfo
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page;
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ssize_t
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offset;
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TypeMetric
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metrics;
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/*
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Open image file.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickCoreSignature);
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if (image_info->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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image_info->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickCoreSignature);
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image=AcquireImage(image_info);
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status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
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if (status == MagickFalse)
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{
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image=DestroyImageList(image);
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return((Image *) NULL);
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}
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(void) memset(text,0,sizeof(text));
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(void) ReadBlobString(image,text);
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/*
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Set the page geometry.
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*/
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delta.x=DefaultResolution;
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delta.y=DefaultResolution;
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if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0))
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{
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GeometryInfo
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geometry_info;
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MagickStatusType
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flags;
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flags=ParseGeometry(PSDensityGeometry,&geometry_info);
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image->x_resolution=geometry_info.rho;
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image->y_resolution=geometry_info.sigma;
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if ((flags & SigmaValue) == 0)
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image->y_resolution=image->x_resolution;
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}
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page.width=612;
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page.height=792;
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page.x=43;
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page.y=43;
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if (image_info->page != (char *) NULL)
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(void) ParseAbsoluteGeometry(image_info->page,&page);
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/*
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Initialize Image structure.
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*/
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image->columns=(size_t) floor((((double) page.width*image->x_resolution)/
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delta.x)+0.5);
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image->rows=(size_t) floor((((double) page.height*image->y_resolution)/
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delta.y)+0.5);
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status=SetImageExtent(image,image->columns,image->rows);
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if (status != MagickFalse)
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status=ResetImagePixels(image,&image->exception);
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if (status == MagickFalse)
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{
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InheritException(exception,&image->exception);
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return(DestroyImageList(image));
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}
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image->page.x=0;
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image->page.y=0;
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texture=(Image *) NULL;
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if (image_info->texture != (char *) NULL)
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{
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ImageInfo
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*read_info;
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read_info=CloneImageInfo(image_info);
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SetImageInfoBlob(read_info,(void *) NULL,0);
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(void) CopyMagickString(read_info->filename,image_info->texture,
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MaxTextExtent);
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texture=ReadImage(read_info,exception);
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read_info=DestroyImageInfo(read_info);
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}
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/*
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Annotate the text image.
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*/
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(void) SetImageBackgroundColor(image);
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draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
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(void) CloneString(&draw_info->text,image_info->filename);
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(void) FormatLocaleString(geometry,MaxTextExtent,"%gx%g%+g%+g",(double)
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image->columns,(double) image->rows,(double) page.x,(double) page.y);
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(void) CloneString(&draw_info->geometry,geometry);
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status=GetTypeMetrics(image,draw_info,&metrics);
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if (status == MagickFalse)
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{
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draw_info=DestroyDrawInfo(draw_info);
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ThrowReaderException(TypeError,"UnableToGetTypeMetrics");
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}
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page.y=CastDoubleToLong(ceil((double) page.y+metrics.ascent-0.5));
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(void) FormatLocaleString(geometry,MaxTextExtent,"%gx%g%+g%+g",(double)
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image->columns,(double) image->rows,(double) page.x,(double) page.y);
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(void) CloneString(&draw_info->geometry,geometry);
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(void) CopyMagickString(filename,image_info->filename,MaxTextExtent);
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if (*draw_info->text != '\0')
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*draw_info->text='\0';
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p=text;
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for (offset=2*page.y; p != (char *) NULL; )
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{
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/*
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Annotate image with text.
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*/
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(void) ConcatenateString(&draw_info->text,text);
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(void) ConcatenateString(&draw_info->text,"\n");
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offset+=(ssize_t) (metrics.ascent-metrics.descent);
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if (image->previous == (Image *) NULL)
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{
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status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) offset,
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image->rows);
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if (status == MagickFalse)
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break;
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}
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p=ReadBlobString(image,text);
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if ((offset < (ssize_t) image->rows) && (p != (char *) NULL))
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continue;
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if (texture != (Image *) NULL)
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{
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MagickProgressMonitor
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progress_monitor;
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progress_monitor=SetImageProgressMonitor(image,
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(MagickProgressMonitor) NULL,image->client_data);
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(void) TextureImage(image,texture);
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(void) SetImageProgressMonitor(image,progress_monitor,
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image->client_data);
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}
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(void) AnnotateImage(image,draw_info);
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if (p == (char *) NULL)
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break;
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/*
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Page is full-- allocate next image structure.
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*/
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*draw_info->text='\0';
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offset=2*page.y;
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AcquireNextImage(image_info,image);
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if (GetNextImageInList(image) == (Image *) NULL)
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{
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status=MagickFalse;
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break;
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}
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image->next->columns=image->columns;
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image->next->rows=image->rows;
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image=SyncNextImageInList(image);
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(void) CopyMagickString(image->filename,filename,MaxTextExtent);
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(void) SetImageBackgroundColor(image);
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status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
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GetBlobSize(image));
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if (status == MagickFalse)
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break;
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}
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if (texture != (Image *) NULL)
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{
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MagickProgressMonitor
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progress_monitor;
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progress_monitor=SetImageProgressMonitor(image,
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(MagickProgressMonitor) NULL,image->client_data);
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(void) TextureImage(image,texture);
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(void) SetImageProgressMonitor(image,progress_monitor,image->client_data);
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}
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(void) AnnotateImage(image,draw_info);
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if (texture != (Image *) NULL)
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texture=DestroyImage(texture);
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draw_info=DestroyDrawInfo(draw_info);
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(void) CloseBlob(image);
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if (status == MagickFalse)
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return(DestroyImageList(image));
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return(GetFirstImageInList(image));
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e a d T X T 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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% ReadTXTImage() reads a text file and returns it as an image. It allocates
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% the memory necessary for the new Image structure and returns a pointer to
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% the new image.
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%
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% The format of the ReadTXTImage method is:
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%
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% Image *ReadTXTImage(const ImageInfo *image_info,ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o image_info: the image info.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static Image *ReadTXTImage(const ImageInfo *image_info,ExceptionInfo *exception)
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{
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char
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colorspace[MaxTextExtent],
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text[MaxTextExtent];
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double
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max_value,
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x_offset,
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y_offset;
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Image
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*image;
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IndexPacket
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*indexes;
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MagickBooleanType
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status;
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MagickPixelPacket
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pixel;
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QuantumAny
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range;
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ssize_t
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i,
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x;
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PixelPacket
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*q;
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ssize_t
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count,
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type,
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y;
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unsigned long
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depth,
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height,
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width;
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/*
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Open image file.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickCoreSignature);
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if (image_info->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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image_info->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickCoreSignature);
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image=AcquireImage(image_info);
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status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
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if (status == MagickFalse)
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{
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image=DestroyImageList(image);
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return((Image *) NULL);
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}
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(void) memset(text,0,sizeof(text));
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(void) ReadBlobString(image,text);
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if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) != 0)
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ThrowReaderException(CorruptImageError,"ImproperImageHeader");
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x_offset=(-1.0);
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y_offset=(-1.0);
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q=(PixelPacket *) NULL;
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do
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{
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width=0;
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height=0;
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max_value=0.0;
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*colorspace='\0';
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count=(ssize_t) sscanf(text+32,"%lu,%lu,%lf,%32s",&width,&height,&max_value,
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colorspace);
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if ((count != 4) || (width == 0) || (height == 0) || (max_value == 0.0))
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ThrowReaderException(CorruptImageError,"ImproperImageHeader");
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image->columns=width;
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image->rows=height;
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if ((max_value == 0.0) || (max_value > 18446744073709551615.0))
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ThrowReaderException(CorruptImageError,"ImproperImageHeader");
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for (depth=1; ((double) GetQuantumRange(depth)+1) < max_value; depth++) ;
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image->depth=depth;
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status=SetImageExtent(image,image->columns,image->rows);
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if (status != MagickFalse)
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status=ResetImagePixels(image,&image->exception);
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if (status == MagickFalse)
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{
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InheritException(exception,&image->exception);
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return(DestroyImageList(image));
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}
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LocaleLower(colorspace);
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i=(ssize_t) strlen(colorspace)-1;
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image->matte=MagickFalse;
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if ((i > 0) && (colorspace[i] == 'a'))
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{
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colorspace[i]='\0';
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image->matte=MagickTrue;
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}
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type=ParseCommandOption(MagickColorspaceOptions,MagickFalse,colorspace);
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if (type < 0)
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ThrowReaderException(CorruptImageError,"ImproperImageHeader");
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image->colorspace=(ColorspaceType) type;
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(void) memset(&pixel,0,sizeof(pixel));
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(void) SetImageBackgroundColor(image);
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range=GetQuantumRange(image->depth);
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status=MagickTrue;
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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double
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blue,
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green,
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index,
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opacity,
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red;
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if (status == MagickFalse)
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break;
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red=0.0;
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green=0.0;
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blue=0.0;
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index=0.0;
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opacity=0.0;
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for (x=0; x < (ssize_t) image->columns; x++)
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{
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if (ReadBlobString(image,text) == (char *) NULL)
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{
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status=MagickFalse;
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break;
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}
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switch (image->colorspace)
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{
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case LinearGRAYColorspace:
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case GRAYColorspace:
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{
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if (image->matte != MagickFalse)
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{
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(void) sscanf(text,"%lf,%lf: (%lf%*[%,]%lf%*[%,]",&x_offset,
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&y_offset,&red,&opacity);
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green=red;
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blue=red;
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break;
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}
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(void) sscanf(text,"%lf,%lf: (%lf%*[%,]",&x_offset,&y_offset,&red);
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green=red;
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blue=red;
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break;
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}
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case CMYKColorspace:
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{
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if (image->matte != MagickFalse)
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{
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(void) sscanf(text,
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"%lf,%lf: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",
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&x_offset,&y_offset,&red,&green,&blue,&index,&opacity);
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break;
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}
|
||
(void) sscanf(text,
|
||
"%lf,%lf: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",&x_offset,
|
||
&y_offset,&red,&green,&blue,&index);
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
if (image->matte != MagickFalse)
|
||
{
|
||
(void) sscanf(text,
|
||
"%lf,%lf: (%lf%*[%,]%lf%*[%,]%lf%*[%,]%lf%*[%,]",
|
||
&x_offset,&y_offset,&red,&green,&blue,&opacity);
|
||
break;
|
||
}
|
||
(void) sscanf(text,"%lf,%lf: (%lf%*[%,]%lf%*[%,]%lf%*[%,]",
|
||
&x_offset,&y_offset,&red,&green,&blue);
|
||
break;
|
||
}
|
||
}
|
||
if (strchr(text,'%') != (char *) NULL)
|
||
{
|
||
red*=0.01*range;
|
||
green*=0.01*range;
|
||
blue*=0.01*range;
|
||
index*=0.01*range;
|
||
opacity*=0.01*range;
|
||
}
|
||
if (image->colorspace == LabColorspace)
|
||
{
|
||
green+=(range+1)/2.0;
|
||
blue+=(range+1)/2.0;
|
||
}
|
||
pixel.red=(MagickRealType) ScaleAnyToQuantum((QuantumAny)
|
||
MagickMax(red+0.5,0.0),range);
|
||
pixel.green=(MagickRealType) ScaleAnyToQuantum((QuantumAny)
|
||
MagickMax(green+0.5,0.0),range);
|
||
pixel.blue=(MagickRealType) ScaleAnyToQuantum((QuantumAny)
|
||
MagickMax(blue+0.5,0.0),range);
|
||
pixel.index=(MagickRealType) ScaleAnyToQuantum((QuantumAny)
|
||
MagickMax(index+0.5,0.0),range);
|
||
pixel.opacity=(MagickRealType) ScaleAnyToQuantum((QuantumAny)
|
||
MagickMax(opacity+0.5,0.0),range);
|
||
q=GetAuthenticPixels(image,CastDoubleToLong(x_offset),
|
||
CastDoubleToLong(y_offset),1,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
{
|
||
status=MagickFalse;
|
||
break;
|
||
}
|
||
SetPixelRed(q,pixel.red);
|
||
SetPixelGreen(q,pixel.green);
|
||
SetPixelBlue(q,pixel.blue);
|
||
if (image->colorspace == CMYKColorspace)
|
||
{
|
||
indexes=GetAuthenticIndexQueue(image);
|
||
SetPixelIndex(indexes,pixel.index);
|
||
}
|
||
if (image->matte != MagickFalse)
|
||
SetPixelAlpha(q,pixel.opacity);
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
{
|
||
status=MagickFalse;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
if (status == MagickFalse)
|
||
break;
|
||
*text='\0';
|
||
(void) ReadBlobString(image,text);
|
||
if (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) == 0)
|
||
{
|
||
/*
|
||
Allocate next image structure.
|
||
*/
|
||
AcquireNextImage(image_info,image);
|
||
if (GetNextImageInList(image) == (Image *) NULL)
|
||
{
|
||
status=MagickFalse;
|
||
break;
|
||
}
|
||
image=SyncNextImageInList(image);
|
||
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
|
||
GetBlobSize(image));
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
} while (LocaleNCompare((char *) text,MagickID,strlen(MagickID)) == 0);
|
||
(void) CloseBlob(image);
|
||
if (q == (PixelPacket *) NULL)
|
||
return(DestroyImage(image));
|
||
return(GetFirstImageInList(image));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e g i s t e r T X T I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% RegisterTXTImage() adds attributes for the TXT image format to the
|
||
% list of supported formats. The attributes include the image format
|
||
% tag, a method to read and/or write the format, whether the format
|
||
% supports the saving of more than one frame to the same file or blob,
|
||
% whether the format supports native in-memory I/O, and a brief
|
||
% description of the format.
|
||
%
|
||
% The format of the RegisterTXTImage method is:
|
||
%
|
||
% size_t RegisterTXTImage(void)
|
||
%
|
||
*/
|
||
ModuleExport size_t RegisterTXTImage(void)
|
||
{
|
||
MagickInfo
|
||
*entry;
|
||
|
||
entry=SetMagickInfo("SPARSE-COLOR");
|
||
entry->encoder=(EncodeImageHandler *) WriteTXTImage;
|
||
entry->raw=MagickTrue;
|
||
entry->endian_support=MagickTrue;
|
||
entry->description=ConstantString("Sparse Color");
|
||
entry->magick_module=ConstantString("TXT");
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("TEXT");
|
||
entry->decoder=(DecodeImageHandler *) ReadTEXTImage;
|
||
entry->encoder=(EncodeImageHandler *) WriteTXTImage;
|
||
entry->raw=MagickTrue;
|
||
entry->endian_support=MagickTrue;
|
||
entry->format_type=ImplicitFormatType;
|
||
entry->description=ConstantString("Text");
|
||
entry->magick_module=ConstantString("TXT");
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("TXT");
|
||
entry->decoder=(DecodeImageHandler *) ReadTXTImage;
|
||
entry->encoder=(EncodeImageHandler *) WriteTXTImage;
|
||
entry->description=ConstantString("Text");
|
||
entry->magick=(IsImageFormatHandler *) IsTXT;
|
||
entry->magick_module=ConstantString("TXT");
|
||
(void) RegisterMagickInfo(entry);
|
||
return(MagickImageCoderSignature);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% U n r e g i s t e r T X T I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% UnregisterTXTImage() removes format registrations made by the
|
||
% TXT module from the list of supported format.
|
||
%
|
||
% The format of the UnregisterTXTImage method is:
|
||
%
|
||
% UnregisterTXTImage(void)
|
||
%
|
||
*/
|
||
ModuleExport void UnregisterTXTImage(void)
|
||
{
|
||
(void) UnregisterMagickInfo("TEXT");
|
||
(void) UnregisterMagickInfo("TXT");
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% W r i t e T X T I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% WriteTXTImage writes the pixel values as text numbers.
|
||
%
|
||
% The format of the WriteTXTImage method is:
|
||
%
|
||
% MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image)
|
||
%
|
||
% A description of each parameter follows.
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o image: The image.
|
||
%
|
||
*/
|
||
static MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image)
|
||
{
|
||
char
|
||
buffer[MaxTextExtent],
|
||
colorspace[MaxTextExtent],
|
||
tuple[MaxTextExtent];
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
MagickOffsetType
|
||
scene;
|
||
|
||
MagickPixelPacket
|
||
pixel;
|
||
|
||
const IndexPacket
|
||
*indexes;
|
||
|
||
const PixelPacket
|
||
*p;
|
||
|
||
ssize_t
|
||
x;
|
||
|
||
size_t
|
||
imageListLength;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
/*
|
||
Open output image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
status=OpenBlob(image_info,image,WriteBlobMode,&image->exception);
|
||
if (status == MagickFalse)
|
||
return(status);
|
||
scene=0;
|
||
imageListLength=GetImageListLength(image);
|
||
do
|
||
{
|
||
ComplianceType
|
||
compliance;
|
||
|
||
const char
|
||
*value;
|
||
|
||
(void) CopyMagickString(colorspace,CommandOptionToMnemonic(
|
||
MagickColorspaceOptions,(ssize_t) image->colorspace),MaxTextExtent);
|
||
LocaleLower(colorspace);
|
||
image->depth=GetImageQuantumDepth(image,MagickTrue);
|
||
if (image->matte != MagickFalse)
|
||
(void) ConcatenateMagickString(colorspace,"a",MaxTextExtent);
|
||
compliance=NoCompliance;
|
||
value=GetImageOption(image_info,"txt:compliance");
|
||
if (value != (char *) NULL)
|
||
compliance=(ComplianceType) ParseCommandOption(MagickComplianceOptions,
|
||
MagickFalse,value);
|
||
if (LocaleCompare(image_info->magick,"SPARSE-COLOR") != 0)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"# ImageMagick pixel enumeration: %.20g,%.20g,%.20g,%s\n",(double)
|
||
image->columns,(double) image->rows,(double)
|
||
GetQuantumRange(image->depth),colorspace);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
GetMagickPixelPacket(image,&pixel);
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetVirtualIndexQueue(image);
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
SetMagickPixelPacket(image,p,indexes+x,&pixel);
|
||
if (LocaleCompare(image_info->magick,"SPARSE-COLOR") == 0)
|
||
{
|
||
/*
|
||
Sparse-color format.
|
||
*/
|
||
if ((image->matte == MagickFalse) ||
|
||
(GetPixelOpacity(p) == (Quantum) OpaqueOpacity))
|
||
{
|
||
GetColorTuple(&pixel,MagickFalse,tuple);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g,",
|
||
(double) x,(double) y);
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) WriteBlobString(image,tuple);
|
||
(void) WriteBlobString(image," ");
|
||
}
|
||
p++;
|
||
continue;
|
||
}
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g,%.20g: ",(double)
|
||
x,(double) y);
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) CopyMagickString(tuple,"(",MaxTextExtent);
|
||
ConcatenateColorComponent(&pixel,RedChannel,compliance,tuple);
|
||
(void) ConcatenateMagickString(tuple,",",MaxTextExtent);
|
||
ConcatenateColorComponent(&pixel,GreenChannel,compliance,tuple);
|
||
(void) ConcatenateMagickString(tuple,",",MaxTextExtent);
|
||
ConcatenateColorComponent(&pixel,BlueChannel,compliance,tuple);
|
||
if (pixel.colorspace == CMYKColorspace)
|
||
{
|
||
(void) ConcatenateMagickString(tuple,",",MaxTextExtent);
|
||
ConcatenateColorComponent(&pixel,IndexChannel,compliance,tuple);
|
||
}
|
||
if (pixel.matte != MagickFalse)
|
||
{
|
||
(void) ConcatenateMagickString(tuple,",",MaxTextExtent);
|
||
ConcatenateColorComponent(&pixel,AlphaChannel,compliance,tuple);
|
||
}
|
||
(void) ConcatenateMagickString(tuple,")",MaxTextExtent);
|
||
(void) WriteBlobString(image,tuple);
|
||
(void) WriteBlobString(image," ");
|
||
GetColorTuple(&pixel,MagickTrue,tuple);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%s",tuple);
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) WriteBlobString(image," ");
|
||
(void) QueryMagickColorname(image,&pixel,SVGCompliance,tuple,
|
||
&image->exception);
|
||
(void) WriteBlobString(image,tuple);
|
||
(void) WriteBlobString(image,"\n");
|
||
p++;
|
||
}
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
||
image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
if (GetNextImageInList(image) == (Image *) NULL)
|
||
break;
|
||
image=SyncNextImageInList(image);
|
||
status=SetImageProgress(image,SaveImagesTag,scene++,imageListLength);
|
||
if (status == MagickFalse)
|
||
break;
|
||
} while (image_info->adjoin != MagickFalse);
|
||
(void) CloseBlob(image);
|
||
return(MagickTrue);
|
||
}
|