camengine.h

Symbian 调用摄像头的简单程序。实现了最基本的功能。

/*
============================================================================
 Name        : CamEngine.h
 Author      : Augusta
 Version     :
 Copyright   : All Right Reserved
 Description : CCamEngine declaration
============================================================================
*/

#ifndef CAMENGINE_H
#define CAMENGINE_H

// INCLUDES
#include <e32std.h>
#include <ECam.h>
#include <fbs.h>
#include "CamDecodeContainer.h"

// CLASS DECLARATION

/**
*  CCamEngine
* 
*/
class CCamEngine : public CBase,MCameraObserver
{
public: // Constructors and destructor

	/**
        * Destructor.
        */
	~CCamEngine();

        /**
        * Two-phased constructor.
        */
	static CCamEngine* NewL(CCamDecodeContainer& aContainer);

        /**
        * Two-phased constructor.
        */
	static CCamEngine* NewLC(CCamDecodeContainer& aContainer);
   
	void Reserve();
	void HandleError(TInt aError);
	void Exit();

private:

	/**
        * Constructor for performing 1st stage construction
        */
	CCamEngine(CCamDecodeContainer& aContainer);

	/**
        * EPOC default constructor for performing 2nd stage construction
        */
	void ConstructL();
	
	//以下5个为继承自MCameraObserver的纯虚函数
	void ReserveComplete(TInt aError);
	void PowerOnComplete(TInt aError);
	void ViewFinderFrameReady(CFbsBitmap& aFrame);
	void ImageReady(CFbsBitmap* aBitmap,HBufC8* aData,TInt aError);
	void FrameBufferReady(MFrameBuffer* aFrameBuffer,TInt aError);

private:
    TCameraInfo iInfo;
	CCamera*    iCamera;
	TInt        iWidth; //图像宽
	TInt        iHeight;//图像高
	TSize       iSize;  //图像大小
	CCamDecodeContainer* iContainer;

};

#endif // CAMENGINE_H