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
|
/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 1999-2001 Palm, Inc. or its subsidiaries.
All rights reserved.
This file is part of the Palm OS Emulator.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
\* ===================================================================== */
#ifndef EmQuantizer_h
#define EmQuantizer_h
#include "EmStructs.h" // RGBList
class EmPixMap;
struct NODE;
class EmQuantizer
{
public:
EmQuantizer (uint32 nMaxColors, uint32 nColorBits);
virtual ~EmQuantizer (void);
Bool ProcessImage (const EmPixMap&);
Bool ProcessColorTable (const RGBList&);
void GetColorTable (RGBList&);
protected:
void AddColor (NODE** ppNode, uint8 r, uint8 g, uint8 b,
uint32 nColorBits, uint32 nLevel,
uint32* pLeafCount, NODE** pReducibleNodes);
NODE* CreateNode (uint32 nLevel, uint32 nColorBits,
uint32* pLeafCount, NODE** pReducibleNodes);
void ReduceTree (uint32 nColorBits,
uint32* pLeafCount, NODE** pReducibleNodes);
void DeleteTree (NODE** ppNode);
void GetPaletteColors (NODE* pTree, RGBType* prgb, uint32* pIndex);
protected:
NODE* m_pTree;
uint32 m_nLeafCount;
NODE* m_pReducibleNodes[9];
uint32 m_nMaxColors;
uint32 m_nColorBits;
};
#endif // EmQuantizer_h
|
