imagefactory.h

一个symbian上成熟的小游戏源码

/*
============================================================================
 Name        : ImageFactory.h
 Author      : 
 Version     :
 Copyright   : Your copyright notice
 Description : CImageFactory declaration
============================================================================
*/

#ifndef IMAGEFACTORY_H
#define IMAGEFACTORY_H

#include <e32base.h>	// For CActive, link against: euser.lib
#include <e32std.h>		// For RTimer, link against: euser.lib
#include <fbs.h> // For CFbsBibmap
#include <ImageConversion.h> // For CImageDecoder

namespace gamespace
{

enum TImageID
{
	EImageScene,
	EImageHero
};

//
class MImageFactoryObserver
{
public:
	virtual void ConvertCompleted(TInt aCurrentIndex,TInt aAllNum)=0;
	virtual void ConvertFail(TInt aCurrentIndex,TInt aAllNum,const TDesC& aDes);
};

class CImageFactory : public CActive
{
private:
	struct IMAGESTRUCT
	{
		TImageID iImageId;
		CFbsBitmap* iBmp;
		CFbsBitmap* iBmpMask;
		HBufC* iFilePathName;
	};

	RArray<IMAGESTRUCT> iArray;
	TInt iIndexToConvert;//待转换的图片索引
	CImageDecoder* iDecoder;//解码器
	MImageFactoryObserver* iObserver;

private:
	CImageFactory(MImageFactoryObserver* aObserver);
	void ConstructL();

public:
	static CImageFactory* NewL(MImageFactoryObserver* aObserver);
	~CImageFactory();

public: // New functions
	// Function for making the initial request
	void StartConvertL();
	CImageFactory& AddImageL(const TDesC& aFilaName,TImageID aId);
	TBool DeleteImage(TImageID aId);
	TBool Image(TImageID id,CFbsBitmap*& aImage,CFbsBitmap*& aImageMask) const;
	const CFbsBitmap* Image(TImageID id) const;
	const CFbsBitmap* ImageMask(TImageID id) const;
	void Reset();

private:// New functions
	TInt FindImageId(TImageID id) const;
	void ConvertL(TInt aIndex);
	static TBool FindImageById(const IMAGESTRUCT& aImage1,const IMAGESTRUCT& aImage2);
	//void DeleteFilePathName();
	void DestroyImage(IMAGESTRUCT& image);

private: // From CActive
	void RunL();
	void DoCancel();
	
	// Override to handle leaves from RunL(). Default implementation causes
	// the active scheduler to panic.
	//void RunError(TInt aError);
};

}

#endif