summaryrefslogtreecommitdiff
path: root/svtools/source/inc/jpeg.hxx
blob: 9923190c5e216414175a76c6ba027f44c969b554 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _JPEG_HXX
#define _JPEG_HXX

#ifndef _GRAPH_HXX
#include <vcl/graph.hxx>
#endif
#include <svtools/fltcall.hxx>
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/task/XStatusIndicator.hpp>

#ifdef _JPEGPRIVATE

// --------
// - Enum -
// --------

enum ReadState
{
    JPEGREAD_OK,
    JPEGREAD_ERROR,
    JPEGREAD_NEED_MORE
};

// --------------
// - JPEGReader -
// --------------

class JPEGReader : public GraphicReader
{
    SvStream&           rIStm;
    Bitmap              aBmp;
    Bitmap              aBmp1;
    BitmapWriteAccess*  pAcc;
    BitmapWriteAccess*  pAcc1;
    void*               pBuffer;
    long                nLastPos;
    long                nFormerPos;
    long                nLastLines;
    sal_Bool            bSetLogSize;

    Graphic             CreateIntermediateGraphic( const Bitmap& rBitmap, long nLines );
    void                FillBitmap();

public:

    void*               CreateBitmap( void* JPEGCreateBitmapParam );

public:



                        JPEGReader( SvStream& rStm, void* pCallData, sal_Bool bSetLogSize );
    virtual             ~JPEGReader();


    ReadState           Read( Graphic& rGraphic );
};

// --------------
// - JPEGWriter -
// --------------

class JPEGWriter
{
    SvStream&           rOStm;
    Bitmap              aBmp;
    BitmapReadAccess*   pAcc;
    BYTE*               pBuffer;
    BOOL                bNative;

    sal_Bool            bGreys;
    sal_Int32           nQuality;

    bool*               pExpWasGrey;

    com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator;

public:

    void*               GetScanline( long nY );

                        JPEGWriter( SvStream& rOStm, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData,
                                    bool* pExportWasGrey = NULL );
                        ~JPEGWriter() {};

    BOOL                Write( const Graphic& rGraphic );
};

#endif // _JPEGPRIVATE

// ---------------------
// - Import/ExportJPEG -
// ---------------------

BOOL ImportJPEG( SvStream& rStream, Graphic& rGraphic, void* pCallerData, sal_Int32 nImportFlags );

BOOL ExportJPEG( SvStream& rStream,
                 const Graphic& rGraphic,
                 const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData,
                 bool* pExportWasGrey = NULL
                );

#endif // _JPEG_HXX