source: trunk/libdjvu/JPEGDecoder.h @ 209

Last change on this file since 209 was 206, checked in by Eugene Romanenko, 14 years ago

DJVU plugin: djvulibre updated to version 3.5.19

File size: 4.8 KB
Line 
1//C-  -*- C++ -*-
2//C- -------------------------------------------------------------------
3//C- DjVuLibre-3.5
4//C- Copyright (c) 2002  Leon Bottou and Yann Le Cun.
5//C- Copyright (c) 2001  AT&T
6//C-
7//C- This software is subject to, and may be distributed under, the
8//C- GNU General Public License, either Version 2 of the license,
9//C- or (at your option) any later version. The license should have
10//C- accompanied the software or you may obtain a copy of the license
11//C- from the Free Software Foundation at http://www.fsf.org .
12//C-
13//C- This program is distributed in the hope that it will be useful,
14//C- but WITHOUT ANY WARRANTY; without even the implied warranty of
15//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16//C- GNU General Public License for more details.
17//C-
18//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library from
19//C- Lizardtech Software.  Lizardtech Software has authorized us to
20//C- replace the original DjVu(r) Reference Library notice by the following
21//C- text (see doc/lizard2002.djvu and doc/lizardtech2007.djvu):
22//C-
23//C-  ------------------------------------------------------------------
24//C- | DjVu (r) Reference Library (v. 3.5)
25//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
26//C- | The DjVu Reference Library is protected by U.S. Pat. No.
27//C- | 6,058,214 and patents pending.
28//C- |
29//C- | This software is subject to, and may be distributed under, the
30//C- | GNU General Public License, either Version 2 of the license,
31//C- | or (at your option) any later version. The license should have
32//C- | accompanied the software or you may obtain a copy of the license
33//C- | from the Free Software Foundation at http://www.fsf.org .
34//C- |
35//C- | The computer code originally released by LizardTech under this
36//C- | license and unmodified by other parties is deemed "the LIZARDTECH
37//C- | ORIGINAL CODE."  Subject to any third party intellectual property
38//C- | claims, LizardTech grants recipient a worldwide, royalty-free,
39//C- | non-exclusive license to make, use, sell, or otherwise dispose of
40//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the
41//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU
42//C- | General Public License.   This grant only confers the right to
43//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to
44//C- | the extent such infringement is reasonably necessary to enable
45//C- | recipient to make, have made, practice, sell, or otherwise dispose
46//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to
47//C- | any greater extent that may be necessary to utilize further
48//C- | modifications or combinations.
49//C- |
50//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
51//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
52//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
53//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
54//C- +------------------------------------------------------------------
55//
56// $Id: JPEGDecoder.h,v 1.9 2007/03/25 20:48:32 leonb Exp $
57// $Name: release_3_5_19 $
58
59#ifndef _JPEGDECODER_H_
60#define _JPEGDECODER_H_
61#ifdef HAVE_CONFIG_H
62#include "config.h"
63#endif
64#if NEED_GNUG_PRAGMAS
65# pragma interface
66#endif
67
68#ifdef NEED_JPEG_DECODER
69
70#include <string.h>
71#include <setjmp.h>
72
73#include "GSmartPointer.h"
74
75#ifdef HAVE_NAMESPACES
76namespace DJVU {
77# ifdef NOT_DEFINED // Just to fool emacs c++ mode
78}
79#endif
80#endif
81
82class ByteStream;
83class GPixmap;
84
85
86/** @name JPEGDecoder.h
87    Files #"JPEGDecoder.h"# and #"JPEGDecoder.cpp"# implement an
88    interface to the decoding subset of the IJG JPEG library.
89    @memo
90    Decoding interface to the IJG JPEG library.
91    @version
92    #$Id: JPEGDecoder.h,v 1.9 2007/03/25 20:48:32 leonb Exp $#
93    @author
94    Parag Deshmukh <parag@sanskrit.lz.att.com>
95*/
96//@{
97
98class GUTF8String;
99
100/** This class ensures namespace isolation. */
101class JPEGDecoder
102{
103public:
104  class Impl;
105
106  /** Decodes the JPEG formated ByteStream */ 
107  static GP<GPixmap> decode(ByteStream & bs);
108  static void decode(ByteStream & bs,GPixmap &pix);
109#ifdef LIBJPEGNAME
110  static void *jpeg_lookup(const GUTF8String &name);
111  static jpeg_error_mgr *jpeg_std_error(jpeg_error_mgr *x);
112  static void jpeg_CreateDecompress(jpeg_decompress_struct *x,int v, size_t s);
113  static void jpeg_destroy_decompress(j_decompress_ptr x);
114  static int jpeg_read_header(j_decompress_ptr x,boolean y);
115  static JDIMENSION jpeg_read_scanlines(j_decompress_ptr x,JSAMPARRAY y,JDIMENSION z);
116  static boolean jpeg_finish_decompress(j_decompress_ptr x);
117  static boolean jpeg_resync_to_restart(jpeg_decompress_struct *x,int d);
118  static boolean jpeg_start_decompress(j_decompress_ptr x);
119#endif // LIBJPEGNAME
120};
121
122
123//@}
124
125
126#ifdef HAVE_NAMESPACES
127}
128# ifndef NOT_USING_DJVU_NAMESPACE
129using namespace DJVU;
130# endif
131#endif
132
133#endif // NEED_JPEG_DECODER
134#endif // _JPEGDECODER_H_
135
Note: See TracBrowser for help on using the repository browser.