blob: 64d4cf704a41439f874f1cd25a72f15a6ef2f847 [file] [log] [blame]
/*
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% %
% %
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% X X %
% X X %
% X %
% X X %
% X X %
% %
% %
% Read/Write Image from/to X11 Server. %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
% http://www.imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
% See the License for the specific language governing permissions and %
% limitations under the License. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/client.h"
#include "magick/display.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/option.h"
#include "magick/quantum-private.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/module.h"
#include "magick/utility.h"
#include "magick/xwindow.h"
#include "magick/xwindow-private.h"
/*
Forward declarations.
*/
#if defined(MAGICKCORE_X11_DELEGATE)
static MagickBooleanType
WriteXImage(const ImageInfo *,Image *);
#endif
#if defined(MAGICKCORE_X11_DELEGATE)
/*
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% R e a d X I m a g e %
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% %
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%
% ReadXImage() reads an image from an X window.
%
% The format of the ReadXImage method is:
%
% Image *ReadXImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadXImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
const char
*option;
XImportInfo
ximage_info;
(void) exception;
XGetImportInfo(&ximage_info);
option=GetImageOption(image_info,"x:screen");
if (option != (const char *) NULL)
ximage_info.screen=IsMagickTrue(option);
option=GetImageOption(image_info,"x:silent");
if (option != (const char *) NULL)
ximage_info.silent=IsMagickTrue(option);
return(XImportImage(image_info,&ximage_info));
}
#endif
/*
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% R e g i s t e r X I m a g e %
% %
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% %
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%
% RegisterXImage() adds attributes for the X 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 RegisterXImage method is:
%
% size_t RegisterXImage(void)
%
*/
ModuleExport size_t RegisterXImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("X");
#if defined(MAGICKCORE_X11_DELEGATE)
entry->decoder=(DecodeImageHandler *) ReadXImage;
entry->encoder=(EncodeImageHandler *) WriteXImage;
#endif
entry->format_type=ImplicitFormatType;
entry->description=ConstantString("X Image");
entry->module=ConstantString("X");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
}
/*
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% U n r e g i s t e r X I m a g e %
% %
% %
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%
% UnregisterXImage() removes format registrations made by the
% X module from the list of supported formats.
%
% The format of the UnregisterXImage method is:
%
% UnregisterXImage(void)
%
*/
ModuleExport void UnregisterXImage(void)
{
(void) UnregisterMagickInfo("X");
}
/*
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% %
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% %
% W r i t e X I m a g e %
% %
% %
% %
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%
% WriteXImage() writes an image to an X server.
%
% The format of the WriteXImage method is:
%
% MagickBooleanType WriteXImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteXImage(const ImageInfo *image_info,Image *image)
{
return(DisplayImages(image_info,image));
}