imageconvertercontainer.h

这个源代码是symbian下实现图片旋转及缩放的例子代码。对图片处理时有帮助。

/*
* ============================================================================
*  Name     : CImageConverterContainer from ImageConverterContainer.h
*  Part of  : ImageConverter
*  Created  : May 14, 2006 by Forum Nokia
*  Description:
*     Declares container control for application.
*  Version  : 2.0
*  Copyright: Nokia Corporation
* ============================================================================
*/

#ifndef IMAGECONVERTERCONTAINER_H
#define IMAGECONVERTERCONTAINER_H

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

// CLASS DECLARATION

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

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

    public: // New functions
        void SetBitmap(CFbsBitmap* aBitmap);

    public: // Functions from base classes

    private: // Functions from base classes

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

      	/**
	    * From CoeControl,HandleResourceChange.
        */
        void HandleResourceChange(TInt aType);

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

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

        /**
        * From CCoeControl,Draw.
        */
        void Draw(const TRect& aRect) const;
       	
        /**
        * 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
	   CFbsBitmap* iBitmap; // the ui sets this to a bitmap to show, 
						    //   if null show nothing

    };

#endif

// End of File