gcbuffer.h

一个symbian上成熟的小游戏源码

#ifndef GCBUFFER_H
#define GCBUFFER_H

// INCLUDES
#include <e32std.h>
#include <e32base.h>
#include <w32std.h>

#include <bitstd.h>
#include <bitdev.h>
#include "fbs.h"

namespace gamespace
{
	class CGcBuffer
	{
	public:
		~CGcBuffer();
		static CGcBuffer* NewL(CWindowGc& aGc,TInt aBufferWidth,TInt aBufferHeight);
		static CGcBuffer* NewLC(CWindowGc& aGc,TInt aBufferWidth,TInt aBufferHeight);

	private:
		CGcBuffer();
		void ConstructL(CWindowGc& aGc,TInt aBufferWidth,TInt aBufferHeight);

	public:
		void Flush( CWindowGc& aGc, TInt aX, TInt aY );			
		CWindowGc& BufferGc();							
		void ClearBuffer( TRgb  aColor = KRgbWhite ); 

	private:
		TInt iBufferWidth;
		TInt iBufferHeight;

		CFbsBitmap* iBufferBitmap;
		CFbsBitmapDevice* iBitmapDevice;//图形设备
		CBitmapContext* iBitmapContext;//图形操作上下文
	};
}
#endif // GCBUFFER_H