imagetestappview.cpp

在Symbian OS S60 3rd上面

/*
 ============================================================================
 Name		: ImageTestAppView.cpp
 Author	  : 
 Copyright   : Your copyright notice
 Description : Application view implementation
 ============================================================================
 */

// INCLUDE FILES
#include <coemain.h>
#include "ImageTestAppView.h"
#include <ImageConversion.h>
#include <GDI.h>

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

// -----------------------------------------------------------------------------
// CImageTestAppView::NewL()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CImageTestAppView* CImageTestAppView::NewL(const TRect& aRect)
	{
	CImageTestAppView* self = CImageTestAppView::NewLC(aRect);
	CleanupStack::Pop(self);
	return self;
	}

// -----------------------------------------------------------------------------
// CImageTestAppView::NewLC()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CImageTestAppView* CImageTestAppView::NewLC(const TRect& aRect)
	{
	CImageTestAppView* self = new ( ELeave ) CImageTestAppView;
	CleanupStack::PushL(self);
	self->ConstructL(aRect);
	return self;
	}

// -----------------------------------------------------------------------------
// CImageTestAppView::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CImageTestAppView::ConstructL(const TRect& aRect)
	{
	// Create a window for this application view
	CreateWindowL();

	// Set the windows size
	SetRect(aRect);
	
	pTimerControl = Cjishiqi::NewL(EPriorityNormal, *this);
	User::LeaveIfError(iFillsession.Connect());
	imap = new (ELeave)CFbsBitmap;
	imask = new (ELeave)CFbsBitmap;
	
	pTimerControl->Start((TTimeIntervalMicroSeconds32)10);
	// Activate the window, which makes it ready to be drawn
	ActivateL();
	}

// -----------------------------------------------------------------------------
// CImageTestAppView::CImageTestAppView()
// C++ default constructor can NOT contain any code, that might leave.
// -----------------------------------------------------------------------------
//
CImageTestAppView::CImageTestAppView()
	{
	// No implementation required
	istatus = 3;
	}

// -----------------------------------------------------------------------------
// CImageTestAppView::~CImageTestAppView()
// Destructor.
// -----------------------------------------------------------------------------
//
CImageTestAppView::~CImageTestAppView()
	{
	// No implementation required
	if(imap)
		{
		delete imap;
		}
	if(imask)
		{
		delete imask;
		}
	if(imageDecoder)
		{
		delete imageDecoder;
		}
	if(pTimerControl)
		{
		pTimerControl->Cancel();
		delete pTimerControl;
		}
	iFillsession.Close();
	
	}

// -----------------------------------------------------------------------------
// CImageTestAppView::Draw()
// Draws the display.
// -----------------------------------------------------------------------------
//
void CImageTestAppView::Draw(const TRect& /*aRect*/) const
	{
	// Get the standard graphics context
	CWindowGc& gc = SystemGc();

	// Gets the control's extent
	TRect drawRect(Rect());

	// Clears the screen
	gc.Clear(drawRect);
	if(istatus == 0)
		{
		gc.BitBltMasked(TPoint(0, 0), imap, drawRect, imask, EFalse);
		}
	else 
		{	
		//gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
		//gc.SetBrushColor(KRgbBlue);
		
		//gc.SetPenStyle(CGraphicsContext::ESolidPen);
		//gc.SetPenColor(KRgbRed);
		//TRect rect(30,30,180,220);
		//gc.DrawRect(rect);
//		pTimerControl->Start((TTimeIntervalMicroSeconds32)3000000);
		}
	}

// -----------------------------------------------------------------------------
// CImageTestAppView::SizeChanged()
// Called by framework when the view size is changed.
// -----------------------------------------------------------------------------
//
void CImageTestAppView::SizeChanged()
	{

	}
// End of File
void CImageTestAppView::LoadImageL()
	{
	
	
	}

void CImageTestAppView::TimerExpired()
	{
	// 构建文件名//c\resource\apps\test
		_LIT(KResourcePath, "c:\\Data\\Images\\1.png");
		TFileName fileName(KResourcePath);
		
	//	_LIT8(KIMAGETYPE, "image/jpg");

		imageDecoder = CImageDecoder::FileNewL(iFillsession, fileName, CImageDecoder::EOptionAlwaysThread);
		
		TSize imageSize = imageDecoder->FrameInfo().iOverallSizeInPixels;
	//	TSize test = imageDecoder->FrameInfo().iFrameSizeInPixels;
		TDisplayMode displayMode = imageDecoder->FrameInfo().iFrameDisplayMode;
		
		imap->Create(imageSize, displayMode);
		imask->Create(imageSize, EGray256);
		
		TRequestStatus iStatus = KRequestPending;
		
		imageDecoder ->Convert(&iStatus, *imap, *imask);
		
		User::WaitForRequest (iStatus);
		istatus = 0;
		
}

void CImageTestAppView::TimerExpired1()
	{
	istatus = 1;
	}