drawcontainer.h

一个基于symbian OS的多位图显示程序例子

/*
* ============================================================================
*  Name     : CDrawContainer from DrawContainer.h
*  Part of  : Draw
*  Created  : 22.04.2005 by 
*  Description:
*     Declares container control for application.
*  Version  :
*  Copyright: 
* ============================================================================
*/

#ifndef DRAWCONTAINER_H
#define DRAWCONTAINER_H

// INCLUDES
#include <coecntrl.h>
//#include <fbs.h>
   
// FORWARD DECLARATIONS
class CEikLabel;        // for example labels

// CLASS DECLARATION

/**
*  CDrawContainer  container control class.
*  
*/
class CDrawContainer : public CCoeControl, MCoeControlObserver
    {
    public: // Constructors and destructor
        
        /**
        * EPOC default constructor.
        * @param aRect Frame rectangle for container.
        */
        void ConstructL(const TRect& aRect);

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

    public: // New functions
		//add by wwx
	public: // New functions
			void Drawmap(int R) const;//const TRect& aRect,
			//end
			void SetData(int x);
			int	 Readyuv();
			void YuvToRgb();
			void FreeYuv();
	public:
		TUint8 **R;
		TUint8 **G;
		TUint8 **B;

    public: // Functions from base classes

    private: // Functions from base classes
			int color;


       /**
        * From CoeControl,SizeChanged.
        */
        //void SizeChanged();

       /**
        * From CoeControl,CountComponentControls.
        */
        //TInt CountComponentControls() const;

       /**
        * From CCoeControl,ComponentControl.
        */
        //CCoeControl* ComponentControl(TInt aIndex) const;

       /**
        * From CCoeControl,Draw.
        */
        void Draw(const TRect& aRect) const;
		//void Draw(char **R, char **G, char **B) ;

       	
		/**
		* From MCoeControlObserver
		* Acts upon changes in the hosted control's state. 
		*
		* @param	aControl	The control changing its state
		* @param	aEventType	The type of control event 
		*/
        void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);
        
    private: //data
        
        //CEikLabel* iLabel;          // example label
        //CEikLabel* iToDoLabel;      // example label
		//add by wwx
		CFbsBitmap* iOffScrnBmp; 
		CFbsBitmapDevice* iOffScrnBmpDevice; 
		CFbsBitGc* iOffScrnContext; 

		//end

    };

#endif

// End of File