// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Symbian Foundation License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// testsnapshot.cpp

// 

//

#include "test_snapshot.h"

#include <ecamerrors.h>

CTestCamSnapshot::CTestCamSnapshot(CTestCamera& aOwner): iOwner(aOwner), iSnapshotBuffer(iSnapshot)

	{

	Init();

	}

CTestCamSnapshot::~CTestCamSnapshot()

	{

	delete iSnapshotImage;

	iSnapshotImage = NULL;

	delete iSnapshotImageGc;

	iSnapshotImage = NULL;

	delete iSnapshotImageDev;

	iSnapshotImageDev = NULL;

	delete iSnapshot;

	iSnapshot = NULL;

	delete iSnapshotGc;

	iSnapshotGc = NULL;

	delete iSnapshotDev;

	iSnapshotDev = NULL;

	iSupportedSnapshotRect.Close();

	CDataGlobal* globalData = static_cast <CDataGlobal*> (Dll::Tls());

	if(globalData != NULL)

		{

		if(!globalData->iTestCamPresets && !globalData->iTestCamAdvSet && !globalData->iTestCamImgProc)

			{

			delete globalData;

			Dll::FreeTls();

			}	

		else

			{

			globalData->iTestCamSnapshot = NULL;	

			Dll::SetTls(globalData);

			}

		}

	}

CTestCamSnapshot* CTestCamSnapshot::NewL(CTestCamera& aOwner)

	{

	CDataGlobal* globalData = static_cast <CDataGlobal*> (Dll::Tls());

	if(globalData == NULL)

		{

		globalData = new (ELeave) CDataGlobal;

		CleanupStack::PushL(globalData);

		globalData->iSnapshotReferenceCount = 0;

		globalData->iTestCamSnapshot = new (ELeave) CTestCamSnapshot(aOwner);

		CleanupStack::PushL(globalData->iTestCamSnapshot);

		globalData->iTestCamSnapshot->ConstructL();

		globalData->iTestCamSnapshot->iRefCount = 1;

		User::LeaveIfError(Dll::SetTls(globalData));

		CleanupStack::Pop(globalData->iTestCamSnapshot);

		CleanupStack::Pop(globalData);

		return globalData->iTestCamSnapshot;

		}

	else

		{

		if(globalData->iTestCamSnapshot == NULL)

			{

			globalData->iSnapshotReferenceCount = 0;

			globalData->iTestCamSnapshot = new (ELeave) CTestCamSnapshot(aOwner);

			CleanupStack::PushL(globalData->iTestCamSnapshot);

			globalData->iTestCamSnapshot->ConstructL();

			globalData->iTestCamSnapshot->iRefCount = 1;

			User::LeaveIfError(Dll::SetTls(globalData));

			CleanupStack::Pop(globalData->iTestCamSnapshot);

			return globalData->iTestCamSnapshot;

			}

		CTestCamSnapshot* self = globalData->iTestCamSnapshot;

		globalData->iSnapshotReferenceCount++;

		self->iRefCount = globalData->iSnapshotReferenceCount + 1;

		if (globalData->iSnapshotReferenceCount == KNumOfSnapshotExtensions-1 )

			{

			globalData->iTestCamSnapshot = NULL;

			if(!globalData->iTestCamPresets && !globalData->iTestCamAdvSet && !globalData->iTestCamImgProc)

				{

				delete globalData;

				Dll::FreeTls();

				}

			else

				{

				User::LeaveIfError(Dll::SetTls(globalData));	

				}

			}

		else

			{

			User::LeaveIfError(Dll::SetTls(globalData));	

			}

		return self;		

		}

	}

void CTestCamSnapshot::Release()

	{

	iRefCount--; 

	if(iRefCount == 0)

		{

		iOwner.iSnapshotImpl = NULL;

		delete this;

		}

	}	

void CTestCamSnapshot::Init()

	{

	iImageFormatsSupported = 0;

	iImageFormatsSupported |= CCamera::EFormatFbsBitmapColor4K;

	iImageFormatsSupported |= CCamera::EFormatFbsBitmapColor64K;

	iImageFormatsSupported |= CCamera::EFormatFbsBitmapColor16M; 

	iSnapshotPrepared = EFalse;

	iSnapshotActive = EFalse;

	iBgColor = KRgbWhite;

	}

void CTestCamSnapshot::ConstructL()

	{

	iSupportedSnapshotRect.Reset();

	iSupportedSnapshotRect.AppendL(TRect(TPoint(0,0), iOwner.iImageSizes[0]));

	iSupportedSnapshotRect.AppendL(TRect(TPoint(0,0), iOwner.iImageSizes[1]));

	}

TUint32 CTestCamSnapshot::SupportedFormats()

	{

	return iImageFormatsSupported;

	}

void CTestCamSnapshot::PrepareSnapshotL(CCamera::TFormat aFormat, const TPoint& aPosition, const TSize& aSize, const TRgb& aBgColor, TBool /*aMaintainAspectRatio*/)

	{

	iOwner.CheckReserveAndPowerL();

	if (iOwner.iVideoCaptureActive || iOwner.iImageCaptureActive)

		{

		User::Leave(KErrNotReady);

		}

	if (!(aFormat & iImageFormatsSupported) )

		{

		User::Leave(KErrNotSupported);

		}

	//check if the snapshot size is supported

	TRect snapshot_rect = TRect(aPosition, aSize);

	if(snapshot_rect != iSupportedSnapshotRect[0] && snapshot_rect != iSupportedSnapshotRect[1])

		{

		User::Leave(KErrNotSupported);

		}

	if (iSnapshotPrepared

		&& iSnapshotFormat == aFormat

		&& iSnapshotImageRect == snapshot_rect

		&& iBgColor == aBgColor

		)

		{

		return;

		}

	TDisplayMode displayMode = ENone;

	switch (aFormat)

		{

		case CCamera::EFormatFbsBitmapColor4K :

			displayMode = EColor4K;

			break;

		case CCamera::EFormatFbsBitmapColor64K :

			displayMode = EColor64K;

			break;

		case CCamera::EFormatFbsBitmapColor16M :

			displayMode = EColor16M;

			break;

		default :

			User::Leave(KErrNotSupported);

			break;

		}

	delete iSnapshotImage;

	iSnapshotImage = NULL;

	delete iSnapshotImageGc;

	iSnapshotImageGc = NULL;

	delete iSnapshotImageDev;

	iSnapshotImageDev = NULL;

	iSnapshotImage = new(ELeave) CFbsBitmap;

	User::LeaveIfError(iSnapshotImage->Create(aSize, displayMode));

	iSnapshotImageDev = CFbsBitmapDevice::NewL(iSnapshotImage);

	User::LeaveIfError(iSnapshotImageDev->CreateContext(iSnapshotImageGc));

	iSnapshotImageGc->SetPenColor(KRgbBlack);

	iSnapshotImageGc->SetPenSize(TSize(KFrameFeatureBorderThickness, KFrameFeatureBorderThickness));

	iSnapshotImageGc->SetBrushColor(aBgColor);

	iSnapshotImageGc->SetFaded(ETrue);

	iSnapshotPrepared = ETrue;

	iSnapshotImageRect = snapshot_rect;

	iSnapshotFormat = aFormat;

	iBgColor = aBgColor;

	}

void CTestCamSnapshot::PrepareSnapshotL(CCamera::TFormat /*aFormat*/, const TSize& /*aSize*/, TBool /*aMaintainAspectRatio*/)

	{

	User::Leave(KErrNotSupported);

	}

void CTestCamSnapshot::SetBgColorL(const TRgb& /*aBgColor*/)

	{

	User::Leave(KErrNotSupported);

	}

void CTestCamSnapshot::SetPositionL(const TPoint& /*aPosition*/)

	{

	User::Leave(KErrNotSupported);

	}

TBool CTestCamSnapshot::IsSnapshotActive() const

	{

	return iSnapshotActive;

	}

void CTestCamSnapshot::StartSnapshot()

	{

	TInt error = iOwner.CheckReserveAndPower();

	if(error == KErrNone)

		{

		if(!iSnapshotPrepared)

			{

			error = KErrNotReady;

			}

		}

	if(error != KErrNone)

		{

		TECAMEvent ecamevent(KUidECamEventCameraSnapshot, error);

		iOwner.iECamEvent = ecamevent;

		iOwner.iHandleEventAsync.CallBack();	

		return;	

		}

	delete iSnapshot;

	iSnapshot = NULL;

	delete iSnapshotGc;

	iSnapshot = NULL;

	delete iSnapshotDev;

	iSnapshotDev = NULL;

	TRAP(error, DoStartSnapshotL());

	if(error != KErrNone)

		{

		TECAMEvent ecamevent(KUidECamEventCameraSnapshot, error);

		iOwner.iECamEvent = ecamevent;

		iOwner.iHandleEventAsync.CallBack();

		}

	}

void CTestCamSnapshot::DoStartSnapshotL()

	{

	CFbsBitmap* snapshot = new(ELeave) CFbsBitmap;

	CleanupStack::PushL(snapshot);

	User::LeaveIfError(snapshot->Create(iSnapshotImageRect.Size(), iSnapshotImage->DisplayMode()));

	CFbsBitmapDevice* dev = CFbsBitmapDevice::NewL(snapshot);

	CleanupStack::PushL(dev);

	CFbsBitGc* gc = NULL;

	User::LeaveIfError(dev->CreateContext(gc));

	CleanupStack::Pop(dev);

	CleanupStack::Pop(snapshot);

	iSnapshot = snapshot;

	iSnapshotDev = dev;

	iSnapshotGc = gc;

	iSnapshotActive = ETrue;

	}

void CTestCamSnapshot::StopSnapshot()

	{

	delete iSnapshotGc;

	iSnapshotGc = NULL;

	delete iSnapshotDev;

	iSnapshotDev = NULL;

	delete iSnapshot;

	iSnapshot = NULL;

	iSnapshotActive = EFalse;

	}

MCameraBuffer& CTestCamSnapshot::SnapshotDataL(RArray<TInt>& /*aFrameIndexOrder*/)

	{

	iSnapshotBuffer.iAvailable = EFalse;

	return iSnapshotBuffer;

	}

void CTestCamSnapshot::ServiceSnapshot(const CFbsBitGc& aSourceBitmapGc)

	{

	TInt error = KErrNone;

	if(!iSnapshotBuffer.iAvailable)

		{

		error = KErrInUse;

		}

	else

		{

		iSnapshotGc->BitBlt(TPoint(0,0), aSourceBitmapGc);

		}

	iOwner.iObserver2->HandleEvent(TECAMEvent(KUidECamEventCameraSnapshot, error));

	}

void CTestCamSnapshot::ServiceBurstImageSnapshot(const CFbsBitGc& aSourceBitmapGc)

	{

	TInt error = KErrNone;

	if(!iSnapshotBuffer.iAvailable)

		{

		error = KErrInUse;

		}

	else

		{

		iSnapshotGc->BitBlt(TPoint(0,0), aSourceBitmapGc);

		}

	iOwner.iObserver2->HandleEvent(TECAMEvent(KUidECamEventCameraSnapshot, error));

	User::After(500000);

	iOwner.iStillImagePos.iX += KFramePosIncrement;

	iOwner.iStillImagePos.iY += KFramePosIncrement;

	if (iOwner.iStillImagePos.iX >= iOwner.iStillImageSize.iWidth)

		{

		iOwner.iStillImagePos.iX = 0;

		}

	if (iOwner.iStillImagePos.iY >= iOwner.iStillImageSize.iHeight)

		{

		iOwner.iStillImagePos.iY = 0;

		}

	}