- Modifications to compile ImageMagick
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Santi Noreña
parent
615ec83706
commit
83522c16c3
3442 changed files with 57 additions and 412926 deletions
333
ImageMagick/coders/url.c
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333
ImageMagick/coders/url.c
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% U U RRRR L %
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% U U R R L %
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% U U RRRR L %
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% U U R R L %
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% UUU R R LLLLL %
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% %
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% %
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% Retrieve An Image Via URL. %
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% %
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% Software Design %
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% John Cristy %
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% Bill Radcliffe %
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% March 2000 %
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% %
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% %
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% Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% http://www.imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/constitute.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/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/module.h"
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#include "magick/pixel-accessor.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/resource_.h"
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#include "magick/string_.h"
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#include "magick/utility.h"
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#if defined(MAGICKCORE_XML_DELEGATE)
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# if defined(MAGICKCORE_WINDOWS_SUPPORT)
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# if defined(__MINGW32__) || defined(__MINGW64__)
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# define _MSC_VER
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# else
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# include <win32config.h>
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# endif
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# endif
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# include <libxml/parser.h>
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# include <libxml/xmlmemory.h>
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# include <libxml/nanoftp.h>
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# include <libxml/nanohttp.h>
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#endif
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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 U R L 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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% ReadURLImage retrieves an image via URL, decodes the image, and returns
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% it. It allocates the memory necessary for the new Image structure and
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% returns a pointer to the new image.
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%
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% The format of the ReadURLImage method is:
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%
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% Image *ReadURLImage(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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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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#if defined(MAGICKCORE_XML_DELEGATE) && defined(LIBXML_FTP_ENABLED)
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static void GetFTPData(void *userdata,const char *data,int size)
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{
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FILE
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*file;
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size_t
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length;
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file=(FILE *) userdata;
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if (file == (FILE *) NULL)
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return;
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if (size <= 0)
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return;
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length=fwrite(data,size,1,file);
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(void) length;
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}
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#endif
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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static Image *ReadURLImage(const ImageInfo *image_info,ExceptionInfo *exception)
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{
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#define MaxBufferExtent 8192
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char
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filename[MaxTextExtent];
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FILE
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*file;
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Image
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*image;
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ImageInfo
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*read_info;
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int
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unique_file;
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image=(Image *) NULL;
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read_info=CloneImageInfo(image_info);
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SetImageInfoBlob(read_info,(void *) NULL,0);
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file=(FILE *) NULL;
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unique_file=AcquireUniqueFileResource(read_info->filename);
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if (unique_file != -1)
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file=fdopen(unique_file,"wb");
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if ((unique_file == -1) || (file == (FILE *) NULL))
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{
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read_info=DestroyImageInfo(read_info);
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(void) CopyMagickString(image->filename,read_info->filename,
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MaxTextExtent);
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ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
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image->filename);
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image=DestroyImageList(image);
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return((Image *) NULL);
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}
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(void) CopyMagickString(filename,image_info->magick,MaxTextExtent);
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(void) ConcatenateMagickString(filename,":",MaxTextExtent);
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LocaleLower(filename);
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(void) ConcatenateMagickString(filename,image_info->filename,MaxTextExtent);
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if (LocaleCompare(read_info->magick,"file") == 0)
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{
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(void) RelinquishUniqueFileResource(read_info->filename);
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unique_file=(-1);
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(void) CopyMagickString(read_info->filename,image_info->filename+2,
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MaxTextExtent);
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}
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#if defined(MAGICKCORE_XML_DELEGATE) && defined(LIBXML_FTP_ENABLED)
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if (LocaleCompare(read_info->magick,"ftp") == 0)
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{
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void
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*context;
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xmlNanoFTPInit();
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context=xmlNanoFTPNewCtxt(filename);
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if (context != (void *) NULL)
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{
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if (xmlNanoFTPConnect(context) >= 0)
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(void) xmlNanoFTPGet(context,GetFTPData,(void *) file,
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(char *) NULL);
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(void) xmlNanoFTPClose(context);
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}
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}
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#endif
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#if defined(MAGICKCORE_XML_DELEGATE) && defined(LIBXML_HTTP_ENABLED)
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if (LocaleCompare(read_info->magick,"http") == 0)
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{
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char
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buffer[MaxBufferExtent],
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*type;
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int
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bytes;
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void
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*context;
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type=(char *) NULL;
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context=xmlNanoHTTPMethod(filename,(const char *) NULL,
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(const char *) NULL,&type,(const char *) NULL,0);
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if (context != (void *) NULL)
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{
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ssize_t
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count;
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while ((bytes=xmlNanoHTTPRead(context,buffer,MaxBufferExtent)) > 0)
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count=(ssize_t) fwrite(buffer,bytes,1,file);
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(void) count;
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xmlNanoHTTPClose(context);
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xmlFree(type);
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xmlNanoHTTPCleanup();
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}
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}
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#endif
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(void) fclose(file);
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{
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ExceptionInfo
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*sans;
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ImageInfo
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*clone_info;
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/*
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Guess image format from URL.
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*/
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clone_info=CloneImageInfo(image_info);
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sans=AcquireExceptionInfo();
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(void) SetImageInfo(clone_info,0,sans);
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(void) CopyMagickString(read_info->magick,clone_info->magick,MaxTextExtent);
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clone_info=DestroyImageInfo(clone_info);
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sans=DestroyExceptionInfo(sans);
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}
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image=ReadImage(read_info,exception);
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if (unique_file != -1)
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(void) RelinquishUniqueFileResource(read_info->filename);
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read_info=DestroyImageInfo(read_info);
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if (image != (Image *) NULL)
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GetPathComponent(image_info->filename,TailPath,image->filename);
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else
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{
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(void) ThrowMagickException(exception,GetMagickModule(),CoderError,
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"NoDataReturned","`%s'",filename);
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return((Image *) NULL);
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}
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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 g i s t e r U R L 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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% RegisterURLImage() adds attributes for the URL image format to
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% the list of supported formats. The attributes include the image format
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% tag, a method to read and/or write the format, whether the format
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% supports the saving of more than one frame to the same file or blob,
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% whether the format supports native in-memory I/O, and a brief
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% description of the format.
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%
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% The format of the RegisterURLImage method is:
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%
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% size_t RegisterURLImage(void)
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%
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*/
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ModuleExport size_t RegisterURLImage(void)
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{
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MagickInfo
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*entry;
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entry=SetMagickInfo("HTTP");
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#if defined(MAGICKCORE_XML_DELEGATE) && defined(LIBXML_HTTP_ENABLED)
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entry->decoder=(DecodeImageHandler *) ReadURLImage;
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#endif
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entry->description=ConstantString("Uniform Resource Locator (http://)");
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entry->module=ConstantString("URL");
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entry->stealth=MagickTrue;
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(void) RegisterMagickInfo(entry);
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entry=SetMagickInfo("FTP");
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#if defined(MAGICKCORE_XML_DELEGATE) && defined(LIBXML_FTP_ENABLED)
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entry->decoder=(DecodeImageHandler *) ReadURLImage;
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#endif
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entry->description=ConstantString("Uniform Resource Locator (ftp://)");
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entry->module=ConstantString("URL");
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entry->stealth=MagickTrue;
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(void) RegisterMagickInfo(entry);
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entry=SetMagickInfo("FILE");
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entry->decoder=(DecodeImageHandler *) ReadURLImage;
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entry->description=ConstantString("Uniform Resource Locator (file://)");
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entry->module=ConstantString("URL");
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entry->stealth=MagickTrue;
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(void) RegisterMagickInfo(entry);
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return(MagickImageCoderSignature);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% U n r e g i s t e r U R L 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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% UnregisterURLImage() removes format registrations made by the
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% URL module from the list of supported formats.
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%
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% The format of the UnregisterURLImage method is:
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%
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% UnregisterURLImage(void)
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%
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*/
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ModuleExport void UnregisterURLImage(void)
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{
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(void) UnregisterMagickInfo("HTTP");
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(void) UnregisterMagickInfo("FTP");
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(void) UnregisterMagickInfo("FILE");
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}
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