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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// This module implements the class for a 32ap bpp color screen with premultiplied
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// alpha.
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//
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//
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/**
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@file
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*/
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#include <hal.h>
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#include <e32std.h>
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#include <bitdraw.h>
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#include "scdraw.h"
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void CDrawThirtyTwoBppScreenBitmapAlphaPM::SetSize(const TSize& aSize)
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{
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CDrawBitmap::SetSize(aSize);
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__ASSERT_DEBUG(iSize == aSize, User::Invariant());
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iLongWidth = iScanLineWords;
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}
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void CDrawThirtyTwoBppScreenBitmapAlphaPM::SetDisplayMode(CFbsDrawDevice* aDrawDevice)
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{
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CopyOldSettings(aDrawDevice) ;
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InitScreen() ;
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}
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TInt CDrawThirtyTwoBppScreenBitmapAlphaPM::HorzTwipsPerThousandPixels() const
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{
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if (iSize.iWidth == 0)
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return 0;
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TInt displayMode;
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TInt r = HAL::Get(iScreenNo, HAL::EDisplayMode, displayMode);
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if (r != KErrNone)
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return 0;
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TInt width = displayMode;
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r = HAL::Get(iScreenNo, HAL::EDisplayXTwips, width);
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if (r != KErrNone)
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return 0;
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return (width * 1000) / iSize.iWidth;
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}
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TInt CDrawThirtyTwoBppScreenBitmapAlphaPM::VertTwipsPerThousandPixels() const
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{
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if (iSize.iHeight == 0)
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return 0;
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TInt displayMode;
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TInt r = HAL::Get(iScreenNo, HAL::EDisplayMode, displayMode);
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if (r != KErrNone)
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return 0;
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TInt height = displayMode;
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r = HAL::Get(iScreenNo, HAL::EDisplayYTwips, height);
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if (r != KErrNone)
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return 0;
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return (height * 1000) / iSize.iHeight;
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}
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TInt CDrawThirtyTwoBppScreenBitmapAlphaPM::InitScreen()
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{
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return KErrNone ;
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}
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TInt CDrawThirtyTwoBppScreenBitmapAlphaPM::ConstructScreenL(TInt aScreenNo, TAny* aBitmapAddress, TSize aSize)
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{
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iScreenNo = aScreenNo;
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TInt displayMode;
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TInt ret = HAL::Get(aScreenNo, HALData::EDisplayMode, displayMode);
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if (ret != KErrNone)
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return ret;
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TInt linepitchInBytes = displayMode;
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ret = HAL::Get(aScreenNo,HALData::EDisplayOffsetBetweenLines,linepitchInBytes);
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if (ret != KErrNone)
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return ret;
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iScanLineWords = linepitchInBytes / 4;
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ret = CDrawThirtyTwoBppBitmapAlphaPM::Construct(aSize);
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if (ret != KErrNone)
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return ret;
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TInt offsetToFirstPixel = displayMode;
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ret = HAL::Get(aScreenNo,HALData::EDisplayOffsetToFirstPixel, offsetToFirstPixel);
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if (ret != KErrNone)
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return ret;
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iBits = (TUint32*)((TUint32)aBitmapAddress + offsetToFirstPixel);
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return KErrNone;
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}
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void CDrawThirtyTwoBppScreenBitmapAlphaPM::OrientationsAvailable(TBool aOrientation[4])
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{
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aOrientation[EOrientationNormal] = ETrue ;
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aOrientation[EOrientationRotated90] = ETrue ;
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aOrientation[EOrientationRotated180] = ETrue ;
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aOrientation[EOrientationRotated270] = ETrue ;
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}
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TBool CDrawThirtyTwoBppScreenBitmapAlphaPM::SetOrientation(TOrientation aOrientation)
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{
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iOrientation = aOrientation ;
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return ETrue ;
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}
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