cpictureloader.h

来自「一个基于symbian s60 3rd 的3D汽车游戏演示程序,模拟器上编译通过」· C头文件 代码 · 共 87 行

   /*
============================================================================
    * Name : CPictureLoader.h
    * Part of : Example3D
    * Description : Definition of CPictureLoader
    * Copyright (c) 2007 Nokia Corporation
============================================================================
    */

#ifndef __CPICTURELOADER_H__
#define __CPICTURELOADER_H__


// INCLUDES
#include <e32base.h>
//#include <MdaImageConverter.h>
#include "TBitmap.h"

class CFbsBitmap;

// CLASS DECLARATION

/**
*  CPictureLoader can load picture types
*  supported by Symbian's CMdaImageFileToBitmapUtility
*  for example .BMP, .GIF and .JPG
*  Pictures are saved to TBitmap type bitmaps
*/

class CPictureLoader
    : public CActive
    //, public MMdaImageUtilObserver
    {
    public:

        /// Two-phased constructor
        static CPictureLoader* NewL();

        /// Destructor
        ~CPictureLoader();

    private:

        /// Second-phase constructor
        void ConstructL();

        /// Default constructor
        CPictureLoader();

    public: // New methods:

        /// Loads picture with given filename
        /// This method can leave if any error occures in load
        /// Application path is automatically added to filename
        /// @param aFileName file name without path
        /// @param aMode color mode to load to ( EColor4K, EColor64K )
        /// @return TBitmap type bitmap
        TBitmap LoadL( const TFileName& aFileName, TDisplayMode aMode);
        TBitmap SetPixels();

        void RunL();
        void DoCancel();

    private: // MMdaImageUtilObserver
        
//      void MiuoConvertComplete( TInt aError );
//      void MiuoCreateComplete( TInt aError );
//      void MiuoOpenComplete( TInt aError );
        enum TConvState
            {
            EIdle = 0,
            EConverting
            };
    private:
        
        TConvState iState;
        CActiveSchedulerWait iWait;
        TInt        iErrStatus; // contains loading and conversion error status
        TFileName   iPath;      // contains application's path
        RFs         iFs;
        TDisplayMode iDisplayMode;
        CFbsBitmap* iBitmap;
    };


#endif