imagesviewercontainer2.cpp

symbian上显示动态gif的源码

/*
============================================================================
 Name        : CImagesViewerContainer2 from ImagesViewerContainer2.cpp
 Author      : 
 Version     :
 Copyright   : Your copyright notice
 Description : Container control implementation
============================================================================
*/

// INCLUDE FILES
#include "ImagesViewerContainer2.h"

#include <EIKENV.H>  

_LIT(KGifFileName, "c:\\Nokia\\Images\\Pictures\\test.gif");
// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------
// CImagesViewerContainer2::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CImagesViewerContainer2::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

	iGifImage = CPAlbImageViewerBasic::NewL(this, aRect);
	//iGifImage->SetImageNameAndDisplaymodeL(KGifFileName ,CEikonEnv::Static()->DefaultDisplayMode());
	iGifImage->SetAnimationObserver(this, ETrue);
	iGifImage->SetContainerWindowL(*this);
	TInt err = iGifImage->LoadImageL(KGifFileName, CEikonEnv::Static()->DefaultDisplayMode());
	iGifImage->ScaleOptimumL();
    SetRect(aRect);
    ActivateL();
	if(iGifImage->IsAnimation())
			iGifImage->PlayAnimationL(); // support image and animation

 	
	//iGifImage->PlayAnimationL();
	//DrawNow();
    }

// Destructor
CImagesViewerContainer2::~CImagesViewerContainer2()
    {
    delete iGifImage;
    }

// ---------------------------------------------------------
// CImagesViewerContainer2::SizeChanged()
// Called by framework when the view size is changed
// ---------------------------------------------------------
//
void CImagesViewerContainer2::SizeChanged()
    {
    // TODO: Add here control resize code etc.
		iGifImage->SetExtent(TPoint(Rect().iTl.iX + ((Rect().Width() - iGifImage->MinimumSize().iWidth)>>1),Rect().iTl.iY + ((Rect().Height() - iGifImage->MinimumSize().iHeight)>>1)),iGifImage->MinimumSize());
    }

// ---------------------------------------------------------
// CImagesViewerContainer2::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CImagesViewerContainer2::CountComponentControls() const
    {
    return 1; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CImagesViewerContainer2::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CImagesViewerContainer2::ComponentControl(TInt aIndex) const
    {
    switch ( aIndex )
        {
	case 0:
		return iGifImage;
        default:
            return NULL;
        }
    }

// ---------------------------------------------------------
// CImagesViewerContainer2::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CImagesViewerContainer2::Draw(const TRect& aRect) const
    {
    /*CWindowGc& gc = SystemGc();
    // TODO: Add your drawing code here
    // example code...
    gc.SetPenStyle( CGraphicsContext::ENullPen );
    gc.SetBrushColor( KRgbGray );
    gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
    gc.DrawRect( aRect );*/
    }

// ---------------------------------------------------------
// CImagesViewerContainer2::HandleControlEventL(
//     CCoeControl* aControl,TCoeEvent aEventType)
// ---------------------------------------------------------
//
void CImagesViewerContainer2::HandleControlEventL(
    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
    {
    // TODO: Add your control event handler code here
    }

void  CImagesViewerContainer2::Notify(TAnimationEvent aEvent)
{
	/*if (aEvent == EAnimationStarted)
	{
		if(iGifImage->IsAnimation())
		{
			iGifImage->PlayAnimationL(); 
		}
	}*/

}