demobmpappview.h

SYMBIAN平台的手机开发方面的图像处理程序

/* Copyright (c) 2005, Nokia. All rights reserved */

#ifndef __DEMOBMP_APPVIEW_H__
#define __DEMOBMP_APPVIEW_H__

//#include <MdaImageConverter.h>
#include <coecntrl.h>
#include <aknview.h>
#include <MdaImageConverter.h>
/*! 
  @class CDemoBMPAppView
  
  @discussion An instance of this class is the Application View object
  for the DemoBMP example application
  */
class CDemoBMPAppView : public CCoeControl,public MMdaImageUtilObserver
    {
public:

MMdaImageUtilObserver &iobserver;
/*!
  @function NewL
   
  @discussion Create a CDemoBMPAppView object, which will draw itself to aRect
  @param aRect The rectangle this view will be drawn to
  @result A pointer to the created instance of CDemoBMPAppView
  */
    static CDemoBMPAppView* NewL(const TRect& aRect);

/*!
  @function NewLC
   
  @discussion Create a CDemoBMPAppView object, which will draw itself to aRect
  @param aRect The rectangle this view will be drawn to
  @result A pointer to the created instance of CDemoBMPAppView
  */
    static CDemoBMPAppView* NewLC(const TRect& aRect);



/*!
  @function ~CDemoBMPAppView
  
  @discussion Destroy the object
  */
    ~CDemoBMPAppView();


public:  // from CCoeControl
/*!
  @function Draw
  
  @discussion Draw this CDemoBMPAppView to the screen
  @param aRect The rectangle of this view that needs updating
  */
    void Draw(const TRect& aRect) const;

	virtual void MiuoOpenComplete(TInt aError);

	virtual void MiuoCreateComplete(TInt aError);

	virtual void MiuoConvertComplete(TInt aError);

  

private:

/*!
  @function ConstructL
  
  @discussion  Perform the second phase construction of a CDemoBMPAppView object
  @param aRect The rectangle this view will be drawn to
  */
    void ConstructL(const TRect& aRect);

/*!
  @function CDemoBMPAppView
  
  @discussion Perform the first phase of two phase construction 
  */
    CDemoBMPAppView();
private:
	CFbsBitmap* image;

    CMdaBitmapScaler* iScaler;

    };


#endif // __DEMOBMP_APPVIEW_H__