bitmaprotatorcontainer.cpp

《基于Symbian OS的手机开发与应用实践》这本书的配套源码。

/*
* ============================================================================
*  Name     : CBitmapRotatorContainer from BitmapRotatorContainer.h
*  Part of  : BitmapRotator
*  Created  : 30.01.2006 by ToBeReplacedByAuthor
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include <eikenv.h>
#include <eikappui.h>
#include <eikapp.h>
#include <BitmapRotator.mbg>

#include "BitmapRotatorContainer.h"


// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------
// CBitmapRotatorContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CBitmapRotatorContainer::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

    CEikonEnv* eikonEnv = CEikonEnv::Static();
    TFileName mbmFile = eikonEnv->EikAppUi()->Application()->BitmapStoreName();
    iBitmap = eikonEnv->CreateBitmapL(mbmFile, EMbmBitmaprotatorArrow);

    iBitmapRotatorEngine = CBitmapRotatorEngine::NewL(*this);

    SetRect(aRect);
    ActivateL();
    }

// Destructor
CBitmapRotatorContainer::~CBitmapRotatorContainer()
    {
    if(iBitmapRotatorEngine!=NULL)
        {
        delete iBitmapRotatorEngine;
        }
    delete iBitmap;
    }

TKeyResponse CBitmapRotatorContainer::OfferKeyEventL(
    const TKeyEvent& aKeyEvent,TEventCode aType)
    {
    TKeyResponse response = EKeyWasNotConsumed;
    if(aType==EEventKey)
        {
        response = EKeyWasConsumed;
        switch(aKeyEvent.iScanCode)
            {
            case EStdKeyLeftArrow:
                {
                iBitmapRotatorEngine->Rotate(*iBitmap, 
                    CBitmapRotator::ERotation270DegreesClockwise);
                break;
                }
            case EStdKeyRightArrow:
                {
                iBitmapRotatorEngine->Rotate(*iBitmap, 
                    CBitmapRotator::ERotation90DegreesClockwise);
                break;
                }
            case EStdKeyUpArrow:
                {
                iBitmapRotatorEngine->Rotate(*iBitmap, 
                    CBitmapRotator::EMirrorHorizontalAxis);
                break;
                }
            case EStdKeyDownArrow:
                {
                iBitmapRotatorEngine->Rotate(*iBitmap, 
                    CBitmapRotator::EMirrorVerticalAxis);
                break;
                }
            default:
                {
                response = EKeyWasNotConsumed;
                break;
                }
            }
        }
    return response;
    }

void CBitmapRotatorContainer::OnCompleteL(TInt/*aError*/)
    {
    DrawDeferred();
    }

// ---------------------------------------------------------
// CBitmapRotatorContainer::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CBitmapRotatorContainer::Draw(const TRect&/* aRect*/) const
    {
    if(iBitmapRotatorEngine->IsActive())
        {
        return;
        }

    CWindowGc& gc = SystemGc();
    gc.BitBlt(TPoint(16,0), iBitmap);
    }

// End of File