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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 2000-2001 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 EmPixMap_h
#define EmPixMap_h
#include "EmStructs.h" // RGBList
#include "EmRegion.h" // EmRegion
#include <vector>
typedef int EmPixMapDepth;
typedef int EmPixMapRowBytes;
enum EmPixMapFormat
{
// If you change these values, be sure to update PrvGetDepth.
kPixMapFormat1,
kPixMapFormat2,
kPixMapFormat4,
kPixMapFormat8,
kPixMapFormat16RGB555,
kPixMapFormat16BGR555,
kPixMapFormat16RGB565,
kPixMapFormat16BGR565,
kPixMapFormat24RGB,
kPixMapFormat24BGR,
kPixMapFormat32ARGB,
kPixMapFormat32ABGR,
kPixMapFormat32RGBA,
kPixMapFormat32BGRA,
kPixMapFormatLast
};
class EmPixMap
{
public:
EmPixMap (void);
EmPixMap (const EmPixMap&);
~EmPixMap (void);
EmPixMap& operator= (const EmPixMap&);
EmPoint GetSize (void) const;
void SetSize (const EmPoint&);
EmPixMapDepth GetDepth (void) const;
EmPixMapFormat GetFormat (void) const;
void SetFormat (EmPixMapFormat);
EmPixMapRowBytes GetRowBytes (void) const;
void SetRowBytes (EmPixMapRowBytes);
const RGBList& GetColorTable (void) const;
void SetColorTable (const RGBList&);
const void* GetBits (void) const;
void* GetBits (void);
void SetBits (void*);
void CreateMask (EmPixMap& dest) const;
EmRegion CreateRegion (void) const;
void ChangeTone (int32 percent, EmCoord firstLine = -1, EmCoord lastLine = -1);
void ConvertToColor (int type, EmCoord firstLine = -1, EmCoord lastLine = -1);
void FlipScanlines (void);
void ConvertToFormat (EmPixMapFormat);
static void CopyRect (EmPixMap& dest, const EmPixMap& src,
const EmRect& destRect, const EmRect& srcRect);
private:
EmPixMapRowBytes DetermineRowBytes (void) const;
void InvalidateBuffer (void);
void UpdateBuffer (void) const;
void CopyPixelBuffer (const EmPixMap& other);
private:
EmPoint fSize;
EmPixMapFormat fFormat;
EmPixMapRowBytes fRowBytes;
RGBList fColors;
uint8* fPixels;
Bool fPixelsOwned;
};
uint32* Get1To8Table (void);
uint32* Get2To8Table (void);
uint16* Get4To8Table (void);
#endif // EmPixMap_h
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