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Diffstat (limited to 'kviewshell/plugins/djvu/libdjvu/JPEGDecoder.h')
| -rw-r--r-- | kviewshell/plugins/djvu/libdjvu/JPEGDecoder.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/kviewshell/plugins/djvu/libdjvu/JPEGDecoder.h b/kviewshell/plugins/djvu/libdjvu/JPEGDecoder.h new file mode 100644 index 00000000..8a0ace5d --- /dev/null +++ b/kviewshell/plugins/djvu/libdjvu/JPEGDecoder.h @@ -0,0 +1,133 @@ +//C- -*- C++ -*- +//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 <parag@sanskrit.lz.att.com> +*/ +//@{ + +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_ + |