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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: paletteformats.hxx,v $
* $Revision: 1.3 $
*
* 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 INCLUDED_BASEBMP_PACKEDPIXELFORMATS_HXX
#define INCLUDED_BASEBMP_PACKEDPIXELFORMATS_HXX
#include <basebmp/color.hxx>
#include <basebmp/colortraits.hxx>
#include <basebmp/accessor.hxx>
#include <basebmp/pixeliterator.hxx>
#include <basebmp/packedpixeliterator.hxx>
#include <basebmp/pixelformatadapters.hxx>
#include <basebmp/paletteimageaccessor.hxx>
#include <basebmp/metafunctions.hxx>
#include <vigra/numerictraits.hxx>
#include <vigra/metaprogramming.hxx>
#include <functional>
namespace basebmp
{
//-----------------------------------------------------------------------------
/** Lookup index value for given color value in a PaletteImageAccessor
*/
template< class Accessor > struct ColorLookup
{
typename Accessor::data_type operator()( const Accessor& acc,
typename Accessor::value_type v ) const
{
return acc.lookup(v);
}
};
//-----------------------------------------------------------------------------
// partial specialization of AccessorTraits for PaletteAccessor
template< class Accessor, typename ColorType > struct AccessorTraits<
PaletteImageAccessor< Accessor, ColorType > >
{
/// value type of described accessor
typedef typename PaletteImageAccessor< Accessor, ColorType >::value_type value_type;
/// Retrieve stand-alone color lookup function for given Accessor type
typedef ColorLookup< PaletteImageAccessor< Accessor, ColorType > > color_lookup;
/// Retrieve raw pixel data accessor for given Accessor type
typedef Accessor raw_accessor;
/** accessor for XOR setter access is disabled, since the results
* are usually completely unintended - you'll usually want to
* wrap an xor_accessor with a PaletteAccessor, not the other way
* around.
*/
typedef vigra::VigraFalseType xor_accessor;
/** accessor for masked setter access is disabled, since the
* results are usually completely unintended - you'll usually
* want to wrap a masked_accessor with a PaletteAccessor, not the
* other way around.
*/
template< class MaskAccessor,
class Iterator,
class MaskIterator > struct masked_accessor
{
typedef vigra::VigraFalseType type;
};
};
//-----------------------------------------------------------------------------
template< typename ColorType > struct PaletteAccessorSelector
{
template< class Accessor > struct wrap_accessor
{
typedef PaletteImageAccessor< Accessor, ColorType > type;
};
};
//-----------------------------------------------------------------------------
template< class Iterator,
class Accessor > struct PixelFormatTraitsTemplate_Palette
{
typedef typename Iterator::value_type pixel_type;
typedef Iterator iterator_type;
typedef Accessor raw_accessor_type;
typedef PaletteAccessorSelector<Color> accessor_selector;
};
template< int BitsPerPixel,
bool MsbFirst > struct PixelFormatTraitsTemplate_PackedPalette :
public PixelFormatTraitsTemplate_Palette<
PackedPixelIterator< sal_uInt8,
BitsPerPixel,
MsbFirst >,
NonStandardAccessor< sal_uInt8 > >
{};
//-----------------------------------------------------------------------------
// 1bpp MSB
typedef PixelFormatTraitsTemplate_PackedPalette<1, true> PixelFormatTraits_PAL1_MSB;
// 1bpp LSB
typedef PixelFormatTraitsTemplate_PackedPalette<1, false> PixelFormatTraits_PAL1_LSB;
// 4bpp MSB
typedef PixelFormatTraitsTemplate_PackedPalette<4, true> PixelFormatTraits_PAL4_MSB;
// 4bpp LSB
typedef PixelFormatTraitsTemplate_PackedPalette<4, false> PixelFormatTraits_PAL4_LSB;
// 8bpp
typedef PixelFormatTraitsTemplate_Palette<
PixelIterator< sal_uInt8 >,
StandardAccessor< sal_uInt8 > > PixelFormatTraits_PAL8;
} // namespace basebmp
#endif /* INCLUDED_BASEBMP_PACKEDPIXELFORMATS_HXX */
|
