imagesavercontainer.cpp

基于Symbian OS的手机开发与应用实践第14章代码。主要讲多媒体的各种应用。

/*
* ============================================================================
*  Name     : CImageSaverContainer from ImageSaverContainer.h
*  Part of  : ImageSaver
*  Created  : 31.01.2006 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 <ImageSaver.mbg>

#include "ImageSaverContainer.h"


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

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

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

    iImageSaverEngine = CImageSaverEngine::NewL(*this);

    SetRect(aRect);
    ActivateL();
    }

// Destructor
CImageSaverContainer::~CImageSaverContainer()
    {
    if(iImageSaverEngine!=NULL)
        {
        delete iImageSaverEngine;
        }
    delete iBitmap;
    }

void CImageSaverContainer::OnCompleteL(TInt aError)
    {
    if(aError!=KErrNone)
        {
        // Add error handling
        }
    DrawDeferred();
    }

void CImageSaverContainer::SaveL()
    {
    _LIT(KImageFile, "c:\\image.jpg");

    iImageSaverEngine->SaveL(*iBitmap, KImageFile());
    }

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

    CWindowGc& gc = SystemGc();
    TRect rect = Rect();
    TSize size = iBitmap->SizeInPixels();
    TPoint pos((rect.Width()-size.iWidth)/2, (rect.Height()-size.iHeight)/2);
    gc.BitBlt(pos, iBitmap);
    }

// End of File