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//C- -------------------------------------------------------------------
//C- DjVuLibre-3.5
//C- Copyright (c) 2002 Leon Bottou and Yann Le Cun.
//C- Copyright (c) 2001 AT&T
//C-
//C- This software is subject to, and may be distributed under, the
//C- GNU General Public License, Version 2. The license should have
//C- accompanied the software or you may obtain a copy of the license
//C- from the Free Software Foundation at http://www.fsf.org .
//C-
//C- This program is distributed in the hope that it will be useful,
//C- but WITHOUT ANY WARRANTY; without even the implied warranty of
//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//C- GNU General Public License for more details.
//C-
//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library
//C- distributed by Lizardtech Software. On July 19th 2002, Lizardtech
//C- Software authorized us to replace the original DjVu(r) Reference
//C- Library notice by the following text (see doc/lizard2002.djvu):
//C-
//C- ------------------------------------------------------------------
//C- | DjVu (r) Reference Library (v. 3.5)
//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
//C- | The DjVu Reference Library is protected by U.S. Pat. No.
//C- | 6,058,214 and patents pending.
//C- |
//C- | This software is subject to, and may be distributed under, the
//C- | GNU General Public License, Version 2. The license should have
//C- | accompanied the software or you may obtain a copy of the license
//C- | from the Free Software Foundation at http://www.fsf.org .
//C- |
//C- | The computer code originally released by LizardTech under this
//C- | license and unmodified by other parties is deemed "the LIZARDTECH
//C- | ORIGINAL CODE." Subject to any third party intellectual property
//C- | claims, LizardTech grants recipient a worldwide, royalty-free,
//C- | non-exclusive license to make, use, sell, or otherwise dispose of
//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the
//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU
//C- | General Public License. This grant only confers the right to
//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to
//C- | the extent such infringement is reasonably necessary to enable
//C- | recipient to make, have made, practice, sell, or otherwise dispose
//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to
//C- | any greater extent that may be necessary to utilize further
//C- | modifications or combinations.
//C- |
//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
//C- +------------------------------------------------------------------
//
// $Id: JPEGDecoder.h,v 1.8 2003/11/07 22:08:22 leonb Exp $
// $Name: release_3_5_15 $
#ifndef _JPEGDECODER_H_
#define _JPEGDECODER_H_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if NEED_GNUG_PRAGMAS
# pragma interface
#endif
#ifdef NEED_JPEG_DECODER
#include <string.h>
#include <setjmp.h>
#include "GSmartPointer.h"
#ifdef HAVE_NAMESPACES
namespace DJVU {
# ifdef NOT_DEFINED // Just to fool emacs c++ mode
}
#endif
#endif
class ByteStream;
class GPixmap;
/** @name JPEGDecoder.h
Files #"JPEGDecoder.h"# and #"JPEGDecoder.cpp"# implement an
interface to the decoding subset of the IJG JPEG library.
@memo
Decoding interface to the IJG JPEG library.
@version
#$Id: JPEGDecoder.h,v 1.8 2003/11/07 22:08:22 leonb Exp $#
@author
Parag Deshmukh <[email protected]>
*/
//@{
class GUTF8String;
/** This class ensures namespace isolation. */
class JPEGDecoder
{
public:
class Impl;
/** Decodes the JPEG formated ByteStream */
static GP<GPixmap> decode(ByteStream & bs);
static void decode(ByteStream & bs,GPixmap &pix);
#ifdef LIBJPEGNAME
static void *jpeg_lookup(const GUTF8String &name);
static jpeg_error_mgr *jpeg_std_error(jpeg_error_mgr *x);
static void jpeg_CreateDecompress(jpeg_decompress_struct *x,int v, size_t s);
static void jpeg_destroy_decompress(j_decompress_ptr x);
static int jpeg_read_header(j_decompress_ptr x,boolean y);
static JDIMENSION jpeg_read_scanlines(j_decompress_ptr x,JSAMPARRAY y,JDIMENSION z);
static boolean jpeg_finish_decompress(j_decompress_ptr x);
static boolean jpeg_resync_to_restart(jpeg_decompress_struct *x,int d);
static boolean jpeg_start_decompress(j_decompress_ptr x);
#endif // LIBJPEGNAME
};
//@}
#ifdef HAVE_NAMESPACES
}
# ifndef NOT_USING_DJVU_NAMESPACE
using namespace DJVU;
# endif
#endif
#endif // NEED_JPEG_DECODER
#endif // _JPEGDECODER_H_
|
