blob: a7ce5e49c31de5bd0f0d8b55de1ddf775f90ce33 (
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*************************************************************************
*
* 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 _SV_OCTREE_HXX
#define _SV_OCTREE_HXX
#include <vcl/salbtype.hxx>
#include <vcl/dllapi.h>
// -----------
// - Defines -
// -----------
#define OCTREE_BITS 5
#define OCTREE_BITS_1 10
// --------------
// - OctreeNode -
// --------------
typedef struct OctreeNode
{
ULONG nCount;
ULONG nRed;
ULONG nGreen;
ULONG nBlue;
OctreeNode* pChild[ 8 ];
OctreeNode* pNext;
OctreeNode* pNextInCache;
USHORT nPalIndex;
BOOL bLeaf;
} NODE;
typedef NODE* PNODE;
typedef PNODE* PPNODE;
// ----------
// - Octree -
// ----------
class ImpNodeCache;
class BitmapReadAccess;
class VCL_DLLPUBLIC Octree
{
private:
BitmapPalette aPal;
ULONG nMax;
ULONG nLeafCount;
ULONG nLevel;
PNODE pTree;
PNODE pReduce[ OCTREE_BITS + 1 ];
BitmapColor* pColor;
ImpNodeCache* pNodeCache;
const BitmapReadAccess* pAcc;
USHORT nPalIndex;
Octree() {};
void CreatePalette( PNODE pNode );
void GetPalIndex( PNODE pNode );
SAL_DLLPRIVATE void ImplCreateOctree();
SAL_DLLPRIVATE void ImplDeleteOctree( PPNODE ppNode );
SAL_DLLPRIVATE void ImplAdd( PPNODE ppNode );
SAL_DLLPRIVATE void ImplReduce();
public:
Octree( const BitmapReadAccess& rReadAcc, ULONG nColors );
Octree( ULONG nColors );
~Octree();
void AddColor( const BitmapColor& rColor );
inline const BitmapPalette& GetPalette();
inline USHORT GetBestPaletteIndex( const BitmapColor& rColor );
};
// ------------------------------------------------------------------------
inline const BitmapPalette& Octree::GetPalette()
{
aPal.SetEntryCount( (USHORT) nLeafCount );
nPalIndex = 0;
CreatePalette( pTree );
return aPal;
}
// ------------------------------------------------------------------------
inline USHORT Octree::GetBestPaletteIndex( const BitmapColor& rColor )
{
pColor = &(BitmapColor&) rColor;
nPalIndex = 65535;
nLevel = 0L;
GetPalIndex( pTree );
return nPalIndex;
}
// -------------------
// - InverseColorMap -
// -------------------
class VCL_DLLPUBLIC InverseColorMap
{
private:
BYTE* pBuffer;
BYTE* pMap;
const ULONG nBits;
//#if 0 // _SOLAR__PRIVATE
SAL_DLLPRIVATE void ImplCreateBuffers( const ULONG nMax );
//#endif // __PRIVATE
public:
InverseColorMap( const BitmapPalette& rPal );
~InverseColorMap();
inline USHORT GetBestPaletteIndex( const BitmapColor& rColor );
};
// ------------------------------------------------------------------------
inline USHORT InverseColorMap::GetBestPaletteIndex( const BitmapColor& rColor )
{
return pMap[ ( ( (ULONG) rColor.GetRed() >> nBits ) << OCTREE_BITS_1 ) |
( ( (ULONG) rColor.GetGreen() >> nBits ) << OCTREE_BITS ) |
( (ULONG) rColor.GetBlue() >> nBits ) ];
}
#endif // _SV_OCTREE_HXX
|
