graphicsappview.h

symbian os c++ 碰撞小球 代码

/*
 ============================================================================
 Name		: GraphicsAppView.h
 Author	  : 
 Copyright   : Your copyright notice
 Description : Declares view class for application.
 ============================================================================
 */

#ifndef __GRAPHICSAPPVIEW_h__
#define __GRAPHICSAPPVIEW_h__

// INCLUDES
#include <coecntrl.h>
#include <e32base.h>

#include "BitmapMethods.h"
#include "Sprite.h"

// CLASS DECLARATION
class CGraphicsAppView : public CCoeControl
	{
public:
	// New methods

	/**
	 * NewL.
	 * Two-phased constructor.
	 * Create a CGraphicsAppView object, which will draw itself to aRect.
	 * @param aRect The rectangle this view will be drawn to.
	 * @return a pointer to the created instance of CGraphicsAppView.
	 */
	static CGraphicsAppView* NewL(const TRect& aRect);

	/**
	 * NewLC.
	 * Two-phased constructor.
	 * Create a CGraphicsAppView object, which will draw itself
	 * to aRect.
	 * @param aRect Rectangle this view will be drawn to.
	 * @return A pointer to the created instance of CGraphicsAppView.
	 */
	static CGraphicsAppView* NewLC(const TRect& aRect);
	
	
	static TInt Period( TAny* aPtr );//周期启动函数，注意，这是个静态函数，但static只在头文件中才做了申明。


	/**
	 * ~CGraphicsAppView
	 * Virtual Destructor.
	 */
	virtual ~CGraphicsAppView();

public:
	// Functions from base classes

	/**
	 * From CCoeControl, Draw
	 * Draw this CGraphicsAppView to the screen.
	 * @param aRect the rectangle of this view that needs updating
	 */
	void Draw(const TRect& aRect) const;

	/**
	 * From CoeControl, SizeChanged.
	 * Called by framework when the view size is changed.
	 */
	virtual void SizeChanged();

	/**
	 * From CoeControl, HandlePointerEventL.
	 * Called by framework when a pointer touch event occurs.
	 * Note: although this method is compatible with earlier SDKs, 
	 * it will not be called in SDKs without Touch support.
	 * @param aPointerEvent the information about this event
	 */
	virtual void HandlePointerEventL(const TPointerEvent& aPointerEvent);
	
	
	void DoPeriodTask();
	
	void StartTimer();
	
	void StartNoOffScreenDemo();
	
	void StartOffScreenDemo();
	
	void StopDemo();
	
	void UpdateDisplay() const;
	
	void SetUpSpritesL();

private:
	// Constructors
	
	
	CWsBitmap   *iBackgroundImage;
	
	CWsBitmap *iSpriteImage;    
	CWsBitmap	*iSpriteMask;
	
	
	CFbsBitmap* iOffScreenBitmap;
	CFbsBitmapDevice* iOffScreenBitmapDevice;
	CFbsBitGc *iOffScreenBitmapGc;
	
	CArrayPtrFlat<CSprite> *iSprites;
	TBool iUsingOffScreenBitmap;
	CPeriodic *iPeriodicTimer;

	/**
	 * ConstructL
	 * 2nd phase constructor.
	 * Perform the second phase construction of a
	 * CGraphicsAppView object.
	 * @param aRect The rectangle this view will be drawn to.
	 */
	void ConstructL(const TRect& aRect);

	/**
	 * CGraphicsAppView.
	 * C++ default constructor.
	 */
	CGraphicsAppView();

	};

#endif // __GRAPHICSAPPVIEW_h__
// End of File