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Diffstat (limited to 'SrcShared/EmQuantizer.h')
| -rw-r--r-- | SrcShared/EmQuantizer.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/SrcShared/EmQuantizer.h b/SrcShared/EmQuantizer.h new file mode 100644 index 0000000..f6a8f60 --- /dev/null +++ b/SrcShared/EmQuantizer.h @@ -0,0 +1,52 @@ +/* -*- 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 |