kviewshell

JPEGDecoder.h

00001 //C-  -*- C++ -*-
00002 //C- -------------------------------------------------------------------
00003 //C- DjVuLibre-3.5
00004 //C- Copyright (c) 2002  Leon Bottou and Yann Le Cun.
00005 //C- Copyright (c) 2001  AT&T
00006 //C-
00007 //C- This software is subject to, and may be distributed under, the
00008 //C- GNU General Public License, Version 2. The license should have
00009 //C- accompanied the software or you may obtain a copy of the license
00010 //C- from the Free Software Foundation at http://www.fsf.org .
00011 //C-
00012 //C- This program is distributed in the hope that it will be useful,
00013 //C- but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 //C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 //C- GNU General Public License for more details.
00016 //C- 
00017 //C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library
00018 //C- distributed by Lizardtech Software.  On July 19th 2002, Lizardtech 
00019 //C- Software authorized us to replace the original DjVu(r) Reference 
00020 //C- Library notice by the following text (see doc/lizard2002.djvu):
00021 //C-
00022 //C-  ------------------------------------------------------------------
00023 //C- | DjVu (r) Reference Library (v. 3.5)
00024 //C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
00025 //C- | The DjVu Reference Library is protected by U.S. Pat. No.
00026 //C- | 6,058,214 and patents pending.
00027 //C- |
00028 //C- | This software is subject to, and may be distributed under, the
00029 //C- | GNU General Public License, Version 2. The license should have
00030 //C- | accompanied the software or you may obtain a copy of the license
00031 //C- | from the Free Software Foundation at http://www.fsf.org .
00032 //C- |
00033 //C- | The computer code originally released by LizardTech under this
00034 //C- | license and unmodified by other parties is deemed "the LIZARDTECH
00035 //C- | ORIGINAL CODE."  Subject to any third party intellectual property
00036 //C- | claims, LizardTech grants recipient a worldwide, royalty-free, 
00037 //C- | non-exclusive license to make, use, sell, or otherwise dispose of 
00038 //C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the 
00039 //C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU 
00040 //C- | General Public License.   This grant only confers the right to 
00041 //C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to 
00042 //C- | the extent such infringement is reasonably necessary to enable 
00043 //C- | recipient to make, have made, practice, sell, or otherwise dispose 
00044 //C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to 
00045 //C- | any greater extent that may be necessary to utilize further 
00046 //C- | modifications or combinations.
00047 //C- |
00048 //C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
00049 //C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
00050 //C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
00051 //C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
00052 //C- +------------------------------------------------------------------
00053 // 
00054 // $Id: JPEGDecoder.h,v 1.8 2003/11/07 22:08:22 leonb Exp $
00055 // $Name: release_3_5_15 $
00056 
00057 #ifndef _JPEGDECODER_H_
00058 #define _JPEGDECODER_H_
00059 #ifdef HAVE_CONFIG_H
00060 #include "config.h"
00061 #endif
00062 #if NEED_GNUG_PRAGMAS
00063 # pragma interface
00064 #endif
00065 
00066 #ifdef NEED_JPEG_DECODER
00067 
00068 #include <string.h>
00069 #include <setjmp.h>
00070 
00071 #include "GSmartPointer.h"
00072 
00073 #ifdef HAVE_NAMESPACES
00074 namespace DJVU {
00075 # ifdef NOT_DEFINED // Just to fool emacs c++ mode
00076 }
00077 #endif
00078 #endif
00079 
00080 class ByteStream;
00081 class GPixmap;
00082 
00083 
00095 
00096 class GUTF8String;
00097 
00099 class JPEGDecoder
00100 {
00101 public:
00102   class Impl;
00103 
00105   static GP<GPixmap> decode(ByteStream & bs);
00106   static void decode(ByteStream & bs,GPixmap &pix);
00107 #ifdef LIBJPEGNAME
00108   static void *jpeg_lookup(const GUTF8String &name);
00109   static jpeg_error_mgr *jpeg_std_error(jpeg_error_mgr *x);
00110   static void jpeg_CreateDecompress(jpeg_decompress_struct *x,int v, size_t s);
00111   static void jpeg_destroy_decompress(j_decompress_ptr x);
00112   static int jpeg_read_header(j_decompress_ptr x,boolean y);
00113   static JDIMENSION jpeg_read_scanlines(j_decompress_ptr x,JSAMPARRAY y,JDIMENSION z);
00114   static boolean jpeg_finish_decompress(j_decompress_ptr x);
00115   static boolean jpeg_resync_to_restart(jpeg_decompress_struct *x,int d);
00116   static boolean jpeg_start_decompress(j_decompress_ptr x);
00117 #endif // LIBJPEGNAME
00118 };
00119 
00120 
00122 
00123 
00124 #ifdef HAVE_NAMESPACES
00125 }
00126 # ifndef NOT_USING_DJVU_NAMESPACE
00127 using namespace DJVU;
00128 # endif
00129 #endif
00130 
00131 #endif // NEED_JPEG_DECODER
00132 #endif // _JPEGDECODER_H_
00133
kviewshell

JPEGDecoder.h

kviewshell

API Reference
