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// Copyright (c) 1997-2009 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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//
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#include "BMDRAW.H"
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#include "BitDrawInterfaceId.h"
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GLDEF_C void Panic(TScreenDriverPanic aPanicCode)
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{
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_LIT(KSCDVPanicCategory,"SCDV");
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User::Panic(KSCDVPanicCategory,aPanicCode);
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}
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/**
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Alphablends a pixel.
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The formula used for that, is:
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(aPrimary * aAlphaValue + aSecondary * (255 - aAlphaValue)) / 255 - for each color (R,G,B).
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@param aPrimary RGB color 1.
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@param aSecondary RGB color 2.
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@param aAlphaValue Mask.
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@return Alpha blended value.
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@internalComponent
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*/
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TRgb AlphaBlend(TRgb aPrimary, TRgb aSecondary, TInt aAlphaValue)
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{
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return ::AlphaBlend(aPrimary.Red(), aPrimary.Green(), aPrimary.Blue(), aSecondary, aAlphaValue);
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}
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GLREF_D const TUint8 ditherlutab[16][4];
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const TInt8 xIncArray[4] = { 1, 0, -1, 0 };
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const TInt8 yIncArray[4] = { 0, 1, 0, -1 };
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static CFbsDrawDevice* CreateBitmapDeviceL(const TSize& aSize, TDisplayMode aDispMode, TInt aDataStride)
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{
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CFbsDrawDevice* drawDevice = NULL;
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switch(aDispMode)
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{
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case EGray2:
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drawDevice = new(ELeave) CDrawOneBppBitmap;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawOneBppBitmap*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EGray4:
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drawDevice = new(ELeave) CDrawTwoBppBitmap;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawTwoBppBitmap*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EGray16:
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drawDevice = new(ELeave) CDrawFourBppBitmapGray;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawFourBppBitmapGray*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EGray256:
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drawDevice = new(ELeave) CDrawEightBppBitmapGray;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawEightBppBitmapGray*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EColor16:
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drawDevice = new(ELeave) CDrawFourBppBitmapColor;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawFourBppBitmapColor*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EColor256:
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drawDevice = new(ELeave) CDrawEightBppBitmapColor;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawEightBppBitmapColor*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EColor4K:
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drawDevice = new(ELeave) CDrawTwelveBppBitmap;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawTwelveBppBitmap*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EColor64K:
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drawDevice = new(ELeave) CDrawSixteenBppBitmap;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawSixteenBppBitmap*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EColor16M:
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drawDevice = new(ELeave) CDrawTwentyFourBppBitmap;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawTwentyFourBppBitmap*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EColor16MU:
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drawDevice = new(ELeave) CDrawUTwentyFourBppBitmap;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawUTwentyFourBppBitmap*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EColor16MA:
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drawDevice = new(ELeave) CDrawThirtyTwoBppBitmapAlpha;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawThirtyTwoBppBitmapAlpha*)drawDevice)->Construct(aSize, aDataStride));
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break;
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case EColor16MAP:
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drawDevice = new(ELeave) CDrawThirtyTwoBppBitmapAlphaPM;
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CleanupStack::PushL(drawDevice);
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User::LeaveIfError(((CDrawThirtyTwoBppBitmapAlphaPM*)drawDevice)->Construct(aSize, aDataStride));
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break;
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default:
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Panic(EScreenDriverPanicInvalidDisplayMode);
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}
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CleanupStack::Pop(drawDevice); // drawDevice
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return drawDevice;
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}
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/**
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@deprecated Use NewBitmapDeviceL(const TSize& aSize, TDisplayMode aDispMode, TInt aDataStride)
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*/
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EXPORT_C CFbsDrawDevice* CFbsDrawDevice::NewBitmapDeviceL(TScreenInfoV01 aInfo,
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TDisplayMode aDispMode,
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TInt aDataStride)
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{
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return ::CreateBitmapDeviceL(aInfo.iScreenSize, aDispMode, aDataStride);
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}
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/**
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Creates a new bitmap device instance, which implements CFbsDrawDevice interface.
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@param aSize Bitmap device size
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@param aDispMode Requested display mode
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@return A pointer to just created bitmap device, which implements CFbsDrawDevice interface
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@leave KErrNoMemory Not enough memory
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KErrArgument Invalid aSize value
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*/
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EXPORT_C CFbsDrawDevice* CFbsDrawDevice::NewBitmapDeviceL(const TSize& aSize,
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TDisplayMode aDispMode,
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TInt aDataStride)
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{
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return ::CreateBitmapDeviceL(aSize, aDispMode, aDataStride);
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}
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//Logical coordinates will be initialized with the right values, when SetSize() is called.
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CDrawBitmap::CDrawBitmap()
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{
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SetDefaults();
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TInt err = GetInterface(KAlphaBlendInterfaceID, reinterpret_cast <TAny*&> (iAlphaBlend));
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//There must be a support for an interface with KAlphaBlendInterfaceID id.
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__ASSERT_ALWAYS(iAlphaBlend && err == KErrNone, User::Invariant());
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}
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//Scanline width in pixels.
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//The return value can be greater or equal than iSize.iWidth, because
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//the scan line memory is allocated in 32-bit words and can be rounded up, if
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//the display mode allows more than 1 pixel to be stored in a single byte.
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TInt CDrawBitmap::LongWidth() const
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{
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//0 or 180 dgrees
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if(!(iOrientation & 1))
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{
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return iLongWidth;
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}
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//90 or 270 degrees
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return iSize.iWidth == 0 ? 0 : iLongWidth * iSize.iHeight / iSize.iWidth;
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}
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TUint32* CDrawBitmap::ScanLineBuffer() const
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{
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return iScanLineBuffer;
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}
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//Scanline width in bytes
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TInt CDrawBitmap::ScanLineBytes() const
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{
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register TInt scanLineBytes = iScanLineWords << 2;
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//90 or 270 degrees
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if(iOrientation & 1)
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{
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return iSize.iWidth == 0 ? 0 : scanLineBytes * iSize.iHeight / iSize.iWidth;
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}
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//0 or 180 degrees
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return scanLineBytes;
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}
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/**
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The method returns screen size in pixels. The orientation is taken into account.
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Always prefer GetDrawRect() to SizeInPixels() call.
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GetDrawRect() will take into account possible non-[0,0] top-left corner of the drawing
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rectangle if the device is scaled.
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@return TSize Screen size in pixels
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*/
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TSize CDrawBitmap::SizeInPixels() const
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{
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//90 or 270 degrees
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if(iOrientation & 1)
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{
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return TSize(iDrawRect.Height(), iDrawRect.Width());
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}
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//0 or 180 degrees
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return iDrawRect.Size();
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}
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//aPoint - logical coordinates
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void CDrawBitmap::SetDitherOrigin(const TPoint& aPoint)
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{
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if (iOrientation&1)
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{
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iDitherOrigin.iX = ::Log2Phys(aPoint.iX,iOrigin.iX,iScalingSettings.iFactorY,iSize.iHeight);
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iDitherOrigin.iY = ::Log2Phys(aPoint.iY,iOrigin.iY,iScalingSettings.iFactorX,iSize.iWidth);
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}
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else
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{
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iDitherOrigin.iX = ::Log2Phys(aPoint.iX,iOrigin.iX,iScalingSettings.iFactorX,iSize.iWidth);
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iDitherOrigin.iY = ::Log2Phys(aPoint.iY,iOrigin.iY,iScalingSettings.iFactorY,iSize.iHeight);
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}
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}
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TInt CDrawBitmap::BitsPerPixel(TDisplayMode aDispMode)
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{
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switch(aDispMode)
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{
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case EGray2:
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return 1;
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case EGray4:
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return 2;
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case EGray16:
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case EColor16:
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return 4;
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case EGray256:
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case EColor256:
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return 8;
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case EColor4K:
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case EColor64K:
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return 16;
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case EColor16M:
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return 24;
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case EColor16MU:
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case EColor16MA:
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case EColor16MAP:
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return 32;
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default:
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return 0;
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}
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}
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void CDrawBitmap::OrientationsAvailable(TBool aOrientation[4])
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{
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aOrientation[EOrientationNormal] = ETrue;
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aOrientation[EOrientationRotated90] = EFalse;
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aOrientation[EOrientationRotated180] = EFalse;
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aOrientation[EOrientationRotated270] = EFalse;
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}
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//Works with logical coordinates
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void CDrawBitmap::Clear()
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{
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if(iBits)
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{
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if(iScalingOff && iOriginIsZero)
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{
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Mem::Fill(iBits, iScanLineWords * 4 * iSize.iHeight, 0xFF);
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}
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else
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{
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TShadowMode storedShadowMode = iShadowMode;
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iShadowMode = ENoShadow;
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TRect drawRect;
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GetDrawRect(drawRect);
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WriteRgbMulti(drawRect.iTl.iX, drawRect.iTl.iY, drawRect.Width(), drawRect.Height(), KRgbWhite, CGraphicsContext::EDrawModeWriteAlpha);
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iShadowMode = storedShadowMode;
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}
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}
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}
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CDrawBitmap::~CDrawBitmap()
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{
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if(iScanLineBuffer)
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{
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User::Free(iScanLineBuffer);
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}
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}
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//Works with logical sizes
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//The new device will accept old device scalling&scaling settings
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//All graphics contexts, already created by the scaled device, should be
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|
287 |
//re-activated calling CFbsBitGc::Activate().
|
|
sl@0
|
288 |
void CDrawBitmap::CopyOldSettings(CFbsDrawDevice* aDrawDevice)
|
|
sl@0
|
289 |
{
|
|
sl@0
|
290 |
__ASSERT_DEBUG(aDrawDevice, User::Invariant());
|
|
sl@0
|
291 |
//Scaling&Origin settings - their values when scaling&origin are off.
|
|
sl@0
|
292 |
const TPoint KDefaultOrigin(0, 0);
|
|
sl@0
|
293 |
const TInt KDefaultFactorX = 1, KDefaultFactorY = 1;
|
|
sl@0
|
294 |
const TInt KDefaultDivisorX = 1, KDefaultDivisorY = 1;
|
|
sl@0
|
295 |
TPoint origin = KDefaultOrigin;//old device origin
|
|
sl@0
|
296 |
TInt factorX = KDefaultFactorX, factorY = KDefaultFactorY;//old device - X and Y scaling factors
|
|
sl@0
|
297 |
TInt divisorX = KDefaultDivisorX, divisorY = KDefaultDivisorY;//old device - X and Y scaling divisors
|
|
sl@0
|
298 |
//Old device - set default scaling setings.
|
|
sl@0
|
299 |
MScalingSettings* scalingSettings = NULL;
|
|
sl@0
|
300 |
TInt err = aDrawDevice->GetInterface(KScalingSettingsInterfaceID, reinterpret_cast <TAny*&> (scalingSettings));
|
|
sl@0
|
301 |
if(err == KErrNone)
|
|
sl@0
|
302 |
{//There is a support for the interface with KScalingSettingsInterfaceID id.
|
|
sl@0
|
303 |
__ASSERT_DEBUG(scalingSettings, User::Invariant());
|
|
sl@0
|
304 |
scalingSettings->Get(factorX, factorY, divisorX, divisorY);
|
|
sl@0
|
305 |
(void)scalingSettings->Set(KDefaultFactorX, KDefaultFactorY, KDefaultDivisorX, KDefaultDivisorY);
|
|
sl@0
|
306 |
}
|
|
sl@0
|
307 |
//Current device - set default scaling setings.
|
|
sl@0
|
308 |
if(CanBeScaled())
|
|
sl@0
|
309 |
{
|
|
sl@0
|
310 |
(void)Set(KDefaultFactorX, KDefaultFactorY, KDefaultDivisorX, KDefaultDivisorY);
|
|
sl@0
|
311 |
}
|
|
sl@0
|
312 |
//Old device - set default origin.
|
|
sl@0
|
313 |
MDrawDeviceOrigin* originInterface = NULL;
|
|
sl@0
|
314 |
err = aDrawDevice->GetInterface(KDrawDeviceOriginInterfaceID, reinterpret_cast <TAny*&> (originInterface));
|
|
sl@0
|
315 |
if(err == KErrNone)
|
|
sl@0
|
316 |
{//There is a support for the interface with KDrawDeviceOriginInterfaceID id.
|
|
sl@0
|
317 |
__ASSERT_DEBUG(originInterface, User::Invariant());
|
|
sl@0
|
318 |
originInterface->Get(origin);
|
|
sl@0
|
319 |
(void)originInterface->Set(KDefaultOrigin);
|
|
sl@0
|
320 |
}
|
|
sl@0
|
321 |
//Current device - set default origin.
|
|
sl@0
|
322 |
if(CanOriginBeMoved())
|
|
sl@0
|
323 |
{
|
|
sl@0
|
324 |
(void)Set(KDefaultOrigin);
|
|
sl@0
|
325 |
}
|
|
sl@0
|
326 |
//Copy setigns
|
|
sl@0
|
327 |
DoCopyOldSettings(aDrawDevice);
|
|
sl@0
|
328 |
//Old device - restore scaling setings.
|
|
sl@0
|
329 |
if(scalingSettings)
|
|
sl@0
|
330 |
{
|
|
sl@0
|
331 |
(void)scalingSettings->Set(factorX, factorY, divisorX, divisorY);
|
|
sl@0
|
332 |
}
|
|
sl@0
|
333 |
//Old device - restore origin.
|
|
sl@0
|
334 |
if(originInterface)
|
|
sl@0
|
335 |
{
|
|
sl@0
|
336 |
(void)originInterface->Set(origin);
|
|
sl@0
|
337 |
}
|
|
sl@0
|
338 |
//Set current device scaling&origin settings to be the same as
|
|
sl@0
|
339 |
//scaling&origin settings of the old device.
|
|
sl@0
|
340 |
if(CanBeScaled())
|
|
sl@0
|
341 |
{
|
|
sl@0
|
342 |
(void)Set(factorX, factorY, divisorX, divisorY);
|
|
sl@0
|
343 |
}
|
|
sl@0
|
344 |
if(CanOriginBeMoved())
|
|
sl@0
|
345 |
{
|
|
sl@0
|
346 |
(void)Set(origin);
|
|
sl@0
|
347 |
}
|
|
sl@0
|
348 |
}
|
|
sl@0
|
349 |
|
|
sl@0
|
350 |
void CDrawBitmap::DoCopyOldSettings(CFbsDrawDevice* aDrawDevice)
|
|
sl@0
|
351 |
{
|
|
sl@0
|
352 |
CDrawBitmap* oldDevice = (CDrawBitmap*)aDrawDevice;
|
|
sl@0
|
353 |
iDitherOrigin = oldDevice->iDitherOrigin;
|
|
sl@0
|
354 |
iShadowMode = oldDevice->iShadowMode;
|
|
sl@0
|
355 |
SetOrientation(oldDevice->iOrientation);
|
|
sl@0
|
356 |
iFadeMapFactor = oldDevice->iFadeMapFactor;
|
|
sl@0
|
357 |
iFadeMapOffset = oldDevice->iFadeMapOffset;
|
|
sl@0
|
358 |
|
|
sl@0
|
359 |
TUint32* destRowPtr = iBits;
|
|
sl@0
|
360 |
TUint32* destRowPtrLimit = iBits;
|
|
sl@0
|
361 |
TInt destRowPtrInc = iScanLineWords;
|
|
sl@0
|
362 |
|
|
sl@0
|
363 |
TInt row = 0;
|
|
sl@0
|
364 |
TInt rowInc = 1;
|
|
sl@0
|
365 |
|
|
sl@0
|
366 |
if (BitsPerPixel(oldDevice->iDispMode) < BitsPerPixel(iDispMode))
|
|
sl@0
|
367 |
{
|
|
sl@0
|
368 |
destRowPtr += (iSize.iHeight - 1) * iScanLineWords;
|
|
sl@0
|
369 |
destRowPtrInc = -destRowPtrInc;
|
|
sl@0
|
370 |
destRowPtrLimit -= iScanLineWords;
|
|
sl@0
|
371 |
row = iSize.iHeight - 1;
|
|
sl@0
|
372 |
rowInc = -1;
|
|
sl@0
|
373 |
}
|
|
sl@0
|
374 |
else
|
|
sl@0
|
375 |
destRowPtrLimit += iSize.iHeight * iScanLineWords;
|
|
sl@0
|
376 |
|
|
sl@0
|
377 |
TOrientation oldOrientation=oldDevice->iOrientation;
|
|
sl@0
|
378 |
oldDevice->SetOrientation(CFbsDrawDevice::EOrientationNormal);
|
|
sl@0
|
379 |
while (destRowPtr != destRowPtrLimit)
|
|
sl@0
|
380 |
{
|
|
sl@0
|
381 |
aDrawDevice->ReadLine(0,row,iSize.iWidth,iScanLineBuffer,iDispMode);
|
|
sl@0
|
382 |
Mem::Copy(destRowPtr,iScanLineBuffer,iScanLineWords << 2);
|
|
sl@0
|
383 |
destRowPtr += destRowPtrInc;
|
|
sl@0
|
384 |
row += rowInc;
|
|
sl@0
|
385 |
}
|
|
sl@0
|
386 |
|
|
sl@0
|
387 |
oldDevice->SetOrientation(oldOrientation);
|
|
sl@0
|
388 |
UpdateRegion(TRect(SizeInPixels()));
|
|
sl@0
|
389 |
Update();
|
|
sl@0
|
390 |
}
|
|
sl@0
|
391 |
|
|
sl@0
|
392 |
TUint32 CDrawBitmap::Hash(TUint32 aGray16,TInt aX,TInt aY) const
|
|
sl@0
|
393 |
{
|
|
sl@0
|
394 |
if (iDitherOrigin.iX & 1)
|
|
sl@0
|
395 |
aX++;
|
|
sl@0
|
396 |
if (iDitherOrigin.iY & 1)
|
|
sl@0
|
397 |
aY++;
|
|
sl@0
|
398 |
aX &= 1;
|
|
sl@0
|
399 |
aY &= 1;
|
|
sl@0
|
400 |
return ditherlutab[aGray16][aX + (aY << 1)];
|
|
sl@0
|
401 |
}
|
|
sl@0
|
402 |
|
|
sl@0
|
403 |
//aRect - logical coordinates
|
|
sl@0
|
404 |
void CDrawBitmap::MapColors(const TRect& aRect, const TRgb* aColors,
|
|
sl@0
|
405 |
TInt aNumPairs, TBool aMapForwards)
|
|
sl@0
|
406 |
{
|
|
sl@0
|
407 |
const TRect rect = DeOrientate(aRect);//deorientation and transformation of coordinates.
|
|
sl@0
|
408 |
//rect - physical coordinates
|
|
sl@0
|
409 |
__ASSERT_DEBUG(rect.iTl.iX >= 0 && rect.iBr.iX <= iSize.iWidth,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
410 |
__ASSERT_DEBUG(rect.iTl.iY >= 0 && rect.iBr.iY <= iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
411 |
__ASSERT_DEBUG(aColors,Panic(EScreenDriverPanicNullPointer));
|
|
sl@0
|
412 |
__ASSERT_DEBUG(aNumPairs > 0,Panic(EScreenDriverPanicZeroLength));
|
|
sl@0
|
413 |
|
|
sl@0
|
414 |
TRgb color;
|
|
sl@0
|
415 |
|
|
sl@0
|
416 |
TInt offset = aMapForwards ? 0 : 1;
|
|
sl@0
|
417 |
TInt scaleX;
|
|
sl@0
|
418 |
TInt scaleY;
|
|
sl@0
|
419 |
if (iOrientation&1)
|
|
sl@0
|
420 |
{
|
|
sl@0
|
421 |
scaleX=iScalingSettings.iFactorY;
|
|
sl@0
|
422 |
scaleY=iScalingSettings.iFactorX;
|
|
sl@0
|
423 |
}
|
|
sl@0
|
424 |
else
|
|
sl@0
|
425 |
{
|
|
sl@0
|
426 |
scaleX=iScalingSettings.iFactorX;
|
|
sl@0
|
427 |
scaleY=iScalingSettings.iFactorY;
|
|
sl@0
|
428 |
}
|
|
sl@0
|
429 |
for(TInt ycoord = rect.iTl.iY; ycoord < rect.iBr.iY; ycoord+=scaleY)
|
|
sl@0
|
430 |
{
|
|
sl@0
|
431 |
for(TInt xcoord = rect.iTl.iX; xcoord < rect.iBr.iX; xcoord+=scaleX)
|
|
sl@0
|
432 |
{
|
|
sl@0
|
433 |
color = ReadRgbNormal(xcoord,ycoord);
|
|
sl@0
|
434 |
for (TInt rgbcount = 0; rgbcount < aNumPairs; rgbcount++)
|
|
sl@0
|
435 |
{
|
|
sl@0
|
436 |
if (color == aColors[(rgbcount << 1) + offset])
|
|
sl@0
|
437 |
{
|
|
sl@0
|
438 |
WriteRgb(xcoord,ycoord,aColors[(rgbcount << 1) + 1 - offset]);
|
|
sl@0
|
439 |
break;
|
|
sl@0
|
440 |
}
|
|
sl@0
|
441 |
}
|
|
sl@0
|
442 |
}
|
|
sl@0
|
443 |
}
|
|
sl@0
|
444 |
}
|
|
sl@0
|
445 |
|
|
sl@0
|
446 |
//form an int from the end portion of one and the start portion of another
|
|
sl@0
|
447 |
TUint32 CDrawBitmap::PasteInt(TUint32 aFirst,TUint32 aSecond,TInt aOffset) const
|
|
sl@0
|
448 |
{
|
|
sl@0
|
449 |
TUint32 mask=0;
|
|
sl@0
|
450 |
if(aOffset<32) mask=0xffffffff>>aOffset;
|
|
sl@0
|
451 |
aFirst&=mask;
|
|
sl@0
|
452 |
aSecond&=~mask;
|
|
sl@0
|
453 |
return(aFirst|aSecond);
|
|
sl@0
|
454 |
}
|
|
sl@0
|
455 |
|
|
sl@0
|
456 |
//returns the address of the start of scanline aY
|
|
sl@0
|
457 |
//aY- physical coordinate
|
|
sl@0
|
458 |
TUint32* CDrawBitmap::ScanLine(TInt aY) const
|
|
sl@0
|
459 |
{
|
|
sl@0
|
460 |
return iBits + (aY * iScanLineWords);
|
|
sl@0
|
461 |
}
|
|
sl@0
|
462 |
|
|
sl@0
|
463 |
void CDrawBitmap::SetBits(TAny* aBits)
|
|
sl@0
|
464 |
{
|
|
sl@0
|
465 |
iBits = STATIC_CAST(TUint32*,aBits);
|
|
sl@0
|
466 |
}
|
|
sl@0
|
467 |
|
|
sl@0
|
468 |
TBool CDrawBitmap::SetOrientation(TOrientation aOrientation)
|
|
sl@0
|
469 |
{
|
|
sl@0
|
470 |
if (iOrientation == aOrientation)
|
|
sl@0
|
471 |
return ETrue;
|
|
sl@0
|
472 |
|
|
sl@0
|
473 |
return EFalse;
|
|
sl@0
|
474 |
}
|
|
sl@0
|
475 |
|
|
sl@0
|
476 |
void CDrawBitmap::SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap)
|
|
sl@0
|
477 |
{
|
|
sl@0
|
478 |
iFadeMapFactor = aWhiteMap - aBlackMap + 1;
|
|
sl@0
|
479 |
iFadeMapOffset = aBlackMap;
|
|
sl@0
|
480 |
}
|
|
sl@0
|
481 |
|
|
sl@0
|
482 |
TRgb CDrawBitmap::FadeRgb(TRgb aColor)
|
|
sl@0
|
483 |
{
|
|
sl@0
|
484 |
TInt value = aColor.Internal();
|
|
sl@0
|
485 |
TInt b = (((value & 0x000000ff) * iFadeMapFactor) >> 8) + iFadeMapOffset;
|
|
sl@0
|
486 |
TInt g = (((value & 0x0000ff00) * iFadeMapFactor) >> 16) + iFadeMapOffset;
|
|
sl@0
|
487 |
//the multiplication by iFadeMapFactor can overflow into the sign bit, so we shift down in two steps
|
|
sl@0
|
488 |
TInt r = ((((value & 0x00ff0000) >> 16) * iFadeMapFactor) >> 8) + iFadeMapOffset;
|
|
sl@0
|
489 |
TInt a = aColor.Alpha();
|
|
sl@0
|
490 |
return TRgb(r,g,b,a);
|
|
sl@0
|
491 |
}
|
|
sl@0
|
492 |
|
|
sl@0
|
493 |
TUint32 CDrawBitmap::FadeRgb(TUint32 aColor)
|
|
sl@0
|
494 |
{
|
|
sl@0
|
495 |
TInt value = aColor;
|
|
sl@0
|
496 |
|
|
sl@0
|
497 |
TInt b = (((value & 0x000000ff) * iFadeMapFactor) >> 8) + iFadeMapOffset;
|
|
sl@0
|
498 |
TInt g = (((value & 0x0000ff00) * iFadeMapFactor) >> 16) + iFadeMapOffset;
|
|
sl@0
|
499 |
//the multiplication by iFadeMapFactor can overflow into the sign bit, so we shift down in two steps
|
|
sl@0
|
500 |
TInt r = ((((value & 0x00ff0000) >> 16) * iFadeMapFactor) >> 8) + iFadeMapOffset;
|
|
sl@0
|
501 |
TInt a = aColor >> 24;
|
|
sl@0
|
502 |
return (a<<24) | ((r&0xff)<<16) | ((g&0xff)<<8) | (b&0xff);
|
|
sl@0
|
503 |
}
|
|
sl@0
|
504 |
|
|
sl@0
|
505 |
/**
|
|
sl@0
|
506 |
The overloaded function for FadeRgb(TRgb) which works directly with
|
|
sl@0
|
507 |
the Red, Green and Blue colour components to increase the performance.
|
|
sl@0
|
508 |
@param aRed Red component of colour.
|
|
sl@0
|
509 |
@param aGreen Green component of colour.
|
|
sl@0
|
510 |
@param aBlue Blue component of colour.
|
|
sl@0
|
511 |
*/
|
|
sl@0
|
512 |
void CDrawBitmap::FadeRgb(TInt& aRed, TInt& aGreen, TInt& aBlue)
|
|
sl@0
|
513 |
{
|
|
sl@0
|
514 |
aRed = ((aRed * iFadeMapFactor) >> 8) + iFadeMapOffset;
|
|
sl@0
|
515 |
aGreen = ((aGreen * iFadeMapFactor) >> 8) + iFadeMapOffset;
|
|
sl@0
|
516 |
aBlue = ((aBlue * iFadeMapFactor) >> 8) + iFadeMapOffset;
|
|
sl@0
|
517 |
}
|
|
sl@0
|
518 |
|
|
sl@0
|
519 |
TUint8 CDrawBitmap::FadeGray(TInt aGray256)
|
|
sl@0
|
520 |
{
|
|
sl@0
|
521 |
return STATIC_CAST(TUint8,((aGray256 * iFadeMapFactor) >> 8) + iFadeMapOffset);
|
|
sl@0
|
522 |
}
|
|
sl@0
|
523 |
|
|
sl@0
|
524 |
//aX and aY - logical coordinates
|
|
sl@0
|
525 |
//aX and aY - deorientated and transformed to physical coordinates after the call
|
|
sl@0
|
526 |
void CDrawBitmap::DeOrientate(TInt& aX,TInt& aY) const
|
|
sl@0
|
527 |
{
|
|
sl@0
|
528 |
register TInt physWidth = iSize.iWidth;
|
|
sl@0
|
529 |
register TInt physHeight = iSize.iHeight;
|
|
sl@0
|
530 |
register TInt originX = iOrigin.iX;
|
|
sl@0
|
531 |
register TInt originY = iOrigin.iY;
|
|
sl@0
|
532 |
register TInt scalingFactorX = iScalingSettings.iFactorX;
|
|
sl@0
|
533 |
register TInt scalingFactorY = iScalingSettings.iFactorY;
|
|
sl@0
|
534 |
if(iOrientation & 0x1)
|
|
sl@0
|
535 |
{
|
|
sl@0
|
536 |
aX = ::Log2Phys(aX, originX, scalingFactorY, physHeight);
|
|
sl@0
|
537 |
aY = ::Log2Phys(aY, originY, scalingFactorX, physWidth);
|
|
sl@0
|
538 |
}
|
|
sl@0
|
539 |
else
|
|
sl@0
|
540 |
{
|
|
sl@0
|
541 |
aX = ::Log2Phys(aX, originX, scalingFactorX, physWidth);
|
|
sl@0
|
542 |
aY = ::Log2Phys(aY, originY, scalingFactorY, physHeight);
|
|
sl@0
|
543 |
}
|
|
sl@0
|
544 |
|
|
sl@0
|
545 |
//aX and aY - descaled.
|
|
sl@0
|
546 |
switch(iOrientation)
|
|
sl@0
|
547 |
{
|
|
sl@0
|
548 |
case EOrientationNormal:
|
|
sl@0
|
549 |
{
|
|
sl@0
|
550 |
return;
|
|
sl@0
|
551 |
}
|
|
sl@0
|
552 |
case EOrientationRotated180:
|
|
sl@0
|
553 |
{
|
|
sl@0
|
554 |
aX = physWidth - aX - 1;
|
|
sl@0
|
555 |
aY = physHeight - aY - 1;
|
|
sl@0
|
556 |
break;
|
|
sl@0
|
557 |
}
|
|
sl@0
|
558 |
case EOrientationRotated90:
|
|
sl@0
|
559 |
{
|
|
sl@0
|
560 |
TInt temp = physWidth - aY - 1;
|
|
sl@0
|
561 |
aY = aX;
|
|
sl@0
|
562 |
aX = temp;
|
|
sl@0
|
563 |
break;
|
|
sl@0
|
564 |
}
|
|
sl@0
|
565 |
default: // EOrientationRotated270
|
|
sl@0
|
566 |
{
|
|
sl@0
|
567 |
TInt temp = aY;
|
|
sl@0
|
568 |
aY = physHeight - aX - 1;
|
|
sl@0
|
569 |
aX = temp;
|
|
sl@0
|
570 |
}
|
|
sl@0
|
571 |
}
|
|
sl@0
|
572 |
}
|
|
sl@0
|
573 |
|
|
sl@0
|
574 |
//aPoint - logical coordinates
|
|
sl@0
|
575 |
//The method returns TPoint object with deorientated and transformed to physical coordinates.
|
|
sl@0
|
576 |
TPoint CDrawBitmap::DeOrientate(const TPoint& aPoint) const
|
|
sl@0
|
577 |
{
|
|
sl@0
|
578 |
register TInt physWidth = iSize.iWidth;
|
|
sl@0
|
579 |
register TInt physHeight = iSize.iHeight;
|
|
sl@0
|
580 |
register TInt originX = iOrigin.iX;
|
|
sl@0
|
581 |
register TInt originY = iOrigin.iY;
|
|
sl@0
|
582 |
register TInt scalingFactorX = iScalingSettings.iFactorX;
|
|
sl@0
|
583 |
register TInt scalingFactorY = iScalingSettings.iFactorY;
|
|
sl@0
|
584 |
TPoint physPt;
|
|
sl@0
|
585 |
if(iOrientation & 0x1)
|
|
sl@0
|
586 |
{
|
|
sl@0
|
587 |
physPt.iX = ::Log2Phys(aPoint.iX, originX, scalingFactorY, physHeight);
|
|
sl@0
|
588 |
physPt.iY = ::Log2Phys(aPoint.iY, originY, scalingFactorX, physWidth);
|
|
sl@0
|
589 |
}
|
|
sl@0
|
590 |
else
|
|
sl@0
|
591 |
{
|
|
sl@0
|
592 |
physPt.iX = ::Log2Phys(aPoint.iX, originX, scalingFactorX, physWidth);
|
|
sl@0
|
593 |
physPt.iY = ::Log2Phys(aPoint.iY, originY, scalingFactorY, physHeight);
|
|
sl@0
|
594 |
}
|
|
sl@0
|
595 |
|
|
sl@0
|
596 |
//physPt - descaled
|
|
sl@0
|
597 |
switch(iOrientation)
|
|
sl@0
|
598 |
{
|
|
sl@0
|
599 |
case EOrientationNormal:
|
|
sl@0
|
600 |
{
|
|
sl@0
|
601 |
return physPt;
|
|
sl@0
|
602 |
}
|
|
sl@0
|
603 |
case EOrientationRotated180:
|
|
sl@0
|
604 |
{
|
|
sl@0
|
605 |
return TPoint(physWidth - physPt.iX - 1, physHeight - physPt.iY - 1);
|
|
sl@0
|
606 |
}
|
|
sl@0
|
607 |
case EOrientationRotated90:
|
|
sl@0
|
608 |
{
|
|
sl@0
|
609 |
return TPoint(physWidth - physPt.iY - 1, physPt.iX);
|
|
sl@0
|
610 |
}
|
|
sl@0
|
611 |
// EOrientationRotated270
|
|
sl@0
|
612 |
default:
|
|
sl@0
|
613 |
return TPoint(physPt.iY, physHeight - physPt.iX - 1);
|
|
sl@0
|
614 |
}
|
|
sl@0
|
615 |
}
|
|
sl@0
|
616 |
|
|
sl@0
|
617 |
//aRect - logical coordinates
|
|
sl@0
|
618 |
//The method returns TRect object with deorientated and transformed to physical coordinates.
|
|
sl@0
|
619 |
TRect CDrawBitmap::DeOrientate(const TRect& aRect) const
|
|
sl@0
|
620 |
{
|
|
sl@0
|
621 |
register TInt originX = iOrigin.iX;
|
|
sl@0
|
622 |
register TInt originY = iOrigin.iY;
|
|
sl@0
|
623 |
register TInt scalingFactorX = iScalingSettings.iFactorX;
|
|
sl@0
|
624 |
register TInt scalingFactorY = iScalingSettings.iFactorY;
|
|
sl@0
|
625 |
register TInt physWidth = iSize.iWidth;
|
|
sl@0
|
626 |
register TInt physHeight = iSize.iHeight;
|
|
sl@0
|
627 |
TRect physRect;
|
|
sl@0
|
628 |
if(iOrientation & 0x1)
|
|
sl@0
|
629 |
{
|
|
sl@0
|
630 |
physRect.iTl.iX = ::Log2Phys(aRect.iTl.iX, originX, scalingFactorY, physHeight);
|
|
sl@0
|
631 |
physRect.iTl.iY = ::Log2Phys(aRect.iTl.iY, originY, scalingFactorX, physWidth);
|
|
sl@0
|
632 |
physRect.iBr.iX = ::RBtmLog2Phys(aRect.iBr.iX, originX, scalingFactorY, physHeight);
|
|
sl@0
|
633 |
physRect.iBr.iY = ::RBtmLog2Phys(aRect.iBr.iY, originY, scalingFactorX, physWidth);
|
|
sl@0
|
634 |
}
|
|
sl@0
|
635 |
else
|
|
sl@0
|
636 |
{
|
|
sl@0
|
637 |
physRect.iTl.iX = ::Log2Phys(aRect.iTl.iX, originX, scalingFactorX, physWidth);
|
|
sl@0
|
638 |
physRect.iTl.iY = ::Log2Phys(aRect.iTl.iY, originY, scalingFactorY, physHeight);
|
|
sl@0
|
639 |
physRect.iBr.iX = ::RBtmLog2Phys(aRect.iBr.iX, originX, scalingFactorX, physWidth);
|
|
sl@0
|
640 |
physRect.iBr.iY = ::RBtmLog2Phys(aRect.iBr.iY, originY, scalingFactorY, physHeight);
|
|
sl@0
|
641 |
}
|
|
sl@0
|
642 |
|
|
sl@0
|
643 |
//physRect - descaled
|
|
sl@0
|
644 |
if(iOrientation == EOrientationNormal)
|
|
sl@0
|
645 |
{
|
|
sl@0
|
646 |
return physRect;
|
|
sl@0
|
647 |
}
|
|
sl@0
|
648 |
if (iOrientation == EOrientationRotated180)
|
|
sl@0
|
649 |
{
|
|
sl@0
|
650 |
return TRect(TPoint(physWidth - physRect.iBr.iX, physHeight - physRect.iBr.iY), physRect.Size());
|
|
sl@0
|
651 |
}
|
|
sl@0
|
652 |
TSize altSize(physRect.Height(), physRect.Width());
|
|
sl@0
|
653 |
TPoint altPoint;
|
|
sl@0
|
654 |
if (iOrientation == EOrientationRotated90)
|
|
sl@0
|
655 |
{
|
|
sl@0
|
656 |
altPoint.SetXY(physWidth - physRect.iBr.iY, physRect.iTl.iX);
|
|
sl@0
|
657 |
}
|
|
sl@0
|
658 |
else // EOrientationRotated270
|
|
sl@0
|
659 |
{
|
|
sl@0
|
660 |
altPoint.SetXY(physRect.iTl.iY, physHeight - physRect.iBr.iX);
|
|
sl@0
|
661 |
}
|
|
sl@0
|
662 |
return TRect(altPoint, altSize);
|
|
sl@0
|
663 |
}
|
|
sl@0
|
664 |
|
|
sl@0
|
665 |
//aX and aY - logical coordinates
|
|
sl@0
|
666 |
TRgb CDrawBitmap::ReadPixel(TInt aX,TInt aY) const
|
|
sl@0
|
667 |
{
|
|
sl@0
|
668 |
DeOrientate(aX, aY);//aX and aY - physical coordinates
|
|
sl@0
|
669 |
|
|
sl@0
|
670 |
__ASSERT_DEBUG(aX >= 0 && aX < iSize.iWidth,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
671 |
__ASSERT_DEBUG(aY >= 0 && aY < iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
672 |
|
|
sl@0
|
673 |
return ReadRgbNormal(aX, aY);
|
|
sl@0
|
674 |
}
|
|
sl@0
|
675 |
|
|
sl@0
|
676 |
//aX and aY - logical coordinates
|
|
sl@0
|
677 |
void CDrawBitmap::ReadLine(TInt aX,TInt aY,TInt aLength,
|
|
sl@0
|
678 |
TAny* aBuffer,TDisplayMode aDispMode) const
|
|
sl@0
|
679 |
{
|
|
sl@0
|
680 |
DeOrientate(aX,aY);//aX and aY - physical coordinates
|
|
sl@0
|
681 |
|
|
sl@0
|
682 |
__ASSERT_DEBUG(aX >= 0 && aX < iSize.iWidth,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
683 |
__ASSERT_DEBUG(aY >= 0 && aY < iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
684 |
#if defined(_DEBUG)
|
|
sl@0
|
685 |
switch (iOrientation)
|
|
sl@0
|
686 |
{
|
|
sl@0
|
687 |
case EOrientationNormal:
|
|
sl@0
|
688 |
__ASSERT_DEBUG(aX + aLength <= iLongWidth,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
689 |
break;
|
|
sl@0
|
690 |
case EOrientationRotated90:
|
|
sl@0
|
691 |
__ASSERT_DEBUG(aY + aLength <= iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
692 |
break;
|
|
sl@0
|
693 |
case EOrientationRotated180:
|
|
sl@0
|
694 |
__ASSERT_DEBUG(aX - aLength >= -1,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
695 |
break;
|
|
sl@0
|
696 |
default: // EOrientationRotated270
|
|
sl@0
|
697 |
__ASSERT_DEBUG(aY - aLength >= -1,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
698 |
break;
|
|
sl@0
|
699 |
}
|
|
sl@0
|
700 |
#endif
|
|
sl@0
|
701 |
__ASSERT_DEBUG(aLength > 0,Panic(EScreenDriverPanicZeroLength));
|
|
sl@0
|
702 |
__ASSERT_DEBUG(aBuffer,Panic(EScreenDriverPanicNullPointer));
|
|
sl@0
|
703 |
|
|
sl@0
|
704 |
if (aDispMode == iDispMode)
|
|
sl@0
|
705 |
{
|
|
sl@0
|
706 |
ReadLine(aX,aY,aLength,aBuffer);
|
|
sl@0
|
707 |
return;
|
|
sl@0
|
708 |
}
|
|
sl@0
|
709 |
|
|
sl@0
|
710 |
TInt xInc = xIncArray[iOrientation];
|
|
sl@0
|
711 |
TInt yInc = yIncArray[iOrientation];
|
|
sl@0
|
712 |
if(iOrientation & 0x1)
|
|
sl@0
|
713 |
{
|
|
sl@0
|
714 |
xInc*=iScalingSettings.iFactorY;
|
|
sl@0
|
715 |
yInc*=iScalingSettings.iFactorX;
|
|
sl@0
|
716 |
}
|
|
sl@0
|
717 |
else
|
|
sl@0
|
718 |
{
|
|
sl@0
|
719 |
xInc*=iScalingSettings.iFactorX;
|
|
sl@0
|
720 |
yInc*=iScalingSettings.iFactorY;
|
|
sl@0
|
721 |
}
|
|
sl@0
|
722 |
|
|
sl@0
|
723 |
switch (aDispMode)
|
|
sl@0
|
724 |
{
|
|
sl@0
|
725 |
case EGray2:
|
|
sl@0
|
726 |
{
|
|
sl@0
|
727 |
TUint8* bufferPtr = (TUint8*)aBuffer;
|
|
sl@0
|
728 |
|
|
sl@0
|
729 |
while (aLength >= 8)
|
|
sl@0
|
730 |
{
|
|
sl@0
|
731 |
bufferPtr[0] = TUint8(ReadRgbNormal(aX,aY)._Gray2());
|
|
sl@0
|
732 |
aX += xInc; aY += yInc;
|
|
sl@0
|
733 |
bufferPtr[0] |= TUint8(ReadRgbNormal(aX,aY)._Gray2() << 1);
|
|
sl@0
|
734 |
aX += xInc; aY += yInc;
|
|
sl@0
|
735 |
bufferPtr[0] |= TUint8(ReadRgbNormal(aX,aY)._Gray2() << 2);
|
|
sl@0
|
736 |
aX += xInc; aY += yInc;
|
|
sl@0
|
737 |
bufferPtr[0] |= TUint8(ReadRgbNormal(aX,aY)._Gray2() << 3);
|
|
sl@0
|
738 |
aX += xInc; aY += yInc;
|
|
sl@0
|
739 |
bufferPtr[0] |= TUint8(ReadRgbNormal(aX,aY)._Gray2() << 4);
|
|
sl@0
|
740 |
aX += xInc; aY += yInc;
|
|
sl@0
|
741 |
bufferPtr[0] |= TUint8(ReadRgbNormal(aX,aY)._Gray2() << 5);
|
|
sl@0
|
742 |
aX += xInc; aY += yInc;
|
|
sl@0
|
743 |
bufferPtr[0] |= TUint8(ReadRgbNormal(aX,aY)._Gray2() << 6);
|
|
sl@0
|
744 |
aX += xInc; aY += yInc;
|
|
sl@0
|
745 |
bufferPtr[0] |= TUint8(ReadRgbNormal(aX,aY)._Gray2() << 7);
|
|
sl@0
|
746 |
aX += xInc; aY += yInc;
|
|
sl@0
|
747 |
bufferPtr++;
|
|
sl@0
|
748 |
aLength -= 8;
|
|
sl@0
|
749 |
}
|
|
sl@0
|
750 |
TInt bitShift = 0;
|
|
sl@0
|
751 |
TInt bitLimit = aLength;
|
|
sl@0
|
752 |
if (bitShift < bitLimit)
|
|
sl@0
|
753 |
bufferPtr[0] = 0;
|
|
sl@0
|
754 |
while (bitShift < bitLimit)
|
|
sl@0
|
755 |
{
|
|
sl@0
|
756 |
bufferPtr[0] |= TUint8(ReadRgbNormal(aX,aY)._Gray2() << bitShift);
|
|
sl@0
|
757 |
aX += xInc; aY += yInc;
|
|
sl@0
|
758 |
bitShift++;
|
|
sl@0
|
759 |
}
|
|
sl@0
|
760 |
}
|
|
sl@0
|
761 |
break;
|
|
sl@0
|
762 |
case EGray4:
|
|
sl@0
|
763 |
{
|
|
sl@0
|
764 |
TUint8* bufferPtr = REINTERPRET_CAST(TUint8*,aBuffer);
|
|
sl@0
|
765 |
|
|
sl@0
|
766 |
while (aLength > 3)
|
|
sl@0
|
767 |
{
|
|
sl@0
|
768 |
*bufferPtr = TUint8(ReadRgbNormal(aX,aY)._Gray4());
|
|
sl@0
|
769 |
aX += xInc; aY += yInc;
|
|
sl@0
|
770 |
*bufferPtr |= TUint8(ReadRgbNormal(aX,aY)._Gray4() << 2);
|
|
sl@0
|
771 |
aX += xInc; aY += yInc;
|
|
sl@0
|
772 |
*bufferPtr |= TUint8(ReadRgbNormal(aX,aY)._Gray4() << 4);
|
|
sl@0
|
773 |
aX += xInc; aY += yInc;
|
|
sl@0
|
774 |
*bufferPtr++ |= TUint8(ReadRgbNormal(aX,aY)._Gray4() << 6);
|
|
sl@0
|
775 |
aX += xInc; aY += yInc;
|
|
sl@0
|
776 |
aLength -= 4;
|
|
sl@0
|
777 |
}
|
|
sl@0
|
778 |
if (aLength > 0)
|
|
sl@0
|
779 |
{
|
|
sl@0
|
780 |
*bufferPtr = TUint8(ReadRgbNormal(aX,aY)._Gray4());
|
|
sl@0
|
781 |
aX += xInc; aY += yInc;
|
|
sl@0
|
782 |
aLength--;
|
|
sl@0
|
783 |
}
|
|
sl@0
|
784 |
if (aLength > 0)
|
|
sl@0
|
785 |
{
|
|
sl@0
|
786 |
*bufferPtr |= TUint8(ReadRgbNormal(aX,aY)._Gray4() << 2);
|
|
sl@0
|
787 |
aX += xInc; aY += yInc;
|
|
sl@0
|
788 |
aLength--;
|
|
sl@0
|
789 |
}
|
|
sl@0
|
790 |
if (aLength > 0)
|
|
sl@0
|
791 |
*bufferPtr |= TUint8(ReadRgbNormal(aX,aY)._Gray4() << 4);
|
|
sl@0
|
792 |
}
|
|
sl@0
|
793 |
break;
|
|
sl@0
|
794 |
case EGray16:
|
|
sl@0
|
795 |
{
|
|
sl@0
|
796 |
TUint8* bufferPtr = (TUint8*)aBuffer;
|
|
sl@0
|
797 |
|
|
sl@0
|
798 |
while (aLength > 1)
|
|
sl@0
|
799 |
{
|
|
sl@0
|
800 |
*bufferPtr = TUint8(ReadRgbNormal(aX,aY)._Gray16());
|
|
sl@0
|
801 |
aX += xInc; aY += yInc;
|
|
sl@0
|
802 |
*bufferPtr++ |= TUint8(ReadRgbNormal(aX,aY)._Gray16() << 4);
|
|
sl@0
|
803 |
aX += xInc; aY += yInc;
|
|
sl@0
|
804 |
aLength -= 2;
|
|
sl@0
|
805 |
}
|
|
sl@0
|
806 |
if (aLength > 0)
|
|
sl@0
|
807 |
*bufferPtr = TUint8(ReadRgbNormal(aX,aY)._Gray16());
|
|
sl@0
|
808 |
}
|
|
sl@0
|
809 |
break;
|
|
sl@0
|
810 |
case EGray256:
|
|
sl@0
|
811 |
{
|
|
sl@0
|
812 |
TUint8* bufferPtr = (TUint8*)aBuffer;
|
|
sl@0
|
813 |
const TUint8* bufferPtrLimit = bufferPtr + aLength;
|
|
sl@0
|
814 |
|
|
sl@0
|
815 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
816 |
{
|
|
sl@0
|
817 |
*bufferPtr++ = TUint8(ReadRgbNormal(aX,aY)._Gray256());
|
|
sl@0
|
818 |
aX += xInc; aY += yInc;
|
|
sl@0
|
819 |
}
|
|
sl@0
|
820 |
}
|
|
sl@0
|
821 |
break;
|
|
sl@0
|
822 |
case EColor16:
|
|
sl@0
|
823 |
{
|
|
sl@0
|
824 |
TUint8* bufferPtr = (TUint8*)aBuffer;
|
|
sl@0
|
825 |
|
|
sl@0
|
826 |
while (aLength > 1)
|
|
sl@0
|
827 |
{
|
|
sl@0
|
828 |
*bufferPtr = TUint8(ReadRgbNormal(aX,aY).Color16());
|
|
sl@0
|
829 |
aX += xInc; aY += yInc;
|
|
sl@0
|
830 |
*bufferPtr++ |= TUint8(ReadRgbNormal(aX,aY).Color16() << 4);
|
|
sl@0
|
831 |
aX += xInc; aY += yInc;
|
|
sl@0
|
832 |
aLength -= 2;
|
|
sl@0
|
833 |
}
|
|
sl@0
|
834 |
if (aLength > 0)
|
|
sl@0
|
835 |
*bufferPtr = TUint8(ReadRgbNormal(aX,aY).Color16());
|
|
sl@0
|
836 |
}
|
|
sl@0
|
837 |
break;
|
|
sl@0
|
838 |
case EColor256:
|
|
sl@0
|
839 |
{
|
|
sl@0
|
840 |
TUint8* bufferPtr = (TUint8*)aBuffer;
|
|
sl@0
|
841 |
const TUint8* bufferPtrLimit = bufferPtr + aLength;
|
|
sl@0
|
842 |
|
|
sl@0
|
843 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
844 |
{
|
|
sl@0
|
845 |
*bufferPtr++ = TUint8(ReadRgbNormal(aX,aY).Color256());
|
|
sl@0
|
846 |
aX += xInc; aY += yInc;
|
|
sl@0
|
847 |
}
|
|
sl@0
|
848 |
}
|
|
sl@0
|
849 |
break;
|
|
sl@0
|
850 |
case EColor4K:
|
|
sl@0
|
851 |
{
|
|
sl@0
|
852 |
TUint16* bufferPtr = (TUint16*)aBuffer;
|
|
sl@0
|
853 |
const TUint16* bufferPtrLimit = bufferPtr + aLength;
|
|
sl@0
|
854 |
|
|
sl@0
|
855 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
856 |
{
|
|
sl@0
|
857 |
*bufferPtr++ = TUint16(ReadRgbNormal(aX,aY)._Color4K());
|
|
sl@0
|
858 |
aX += xInc; aY += yInc;
|
|
sl@0
|
859 |
}
|
|
sl@0
|
860 |
}
|
|
sl@0
|
861 |
break;
|
|
sl@0
|
862 |
case EColor64K:
|
|
sl@0
|
863 |
{
|
|
sl@0
|
864 |
TUint16* bufferPtr = (TUint16*)aBuffer;
|
|
sl@0
|
865 |
const TUint16* bufferPtrLimit = bufferPtr + aLength;
|
|
sl@0
|
866 |
|
|
sl@0
|
867 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
868 |
{
|
|
sl@0
|
869 |
*bufferPtr++ = TUint16(ReadRgbNormal(aX,aY)._Color64K());
|
|
sl@0
|
870 |
aX += xInc; aY += yInc;
|
|
sl@0
|
871 |
}
|
|
sl@0
|
872 |
}
|
|
sl@0
|
873 |
break;
|
|
sl@0
|
874 |
case EColor16M:
|
|
sl@0
|
875 |
{
|
|
sl@0
|
876 |
TUint8* bufferPtr = (TUint8*)aBuffer;
|
|
sl@0
|
877 |
const TUint8* bufferPtrLimit = bufferPtr + (aLength * 3);
|
|
sl@0
|
878 |
|
|
sl@0
|
879 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
880 |
{
|
|
sl@0
|
881 |
TUint32 pixelColorValue = ReadRgbNormal(aX,aY).Internal();
|
|
sl@0
|
882 |
aX += xInc; aY += yInc;
|
|
sl@0
|
883 |
bufferPtr[0] = TUint8(pixelColorValue);
|
|
sl@0
|
884 |
bufferPtr[1] = TUint8(pixelColorValue >> 8);
|
|
sl@0
|
885 |
bufferPtr[2] = TUint8(pixelColorValue >> 16);
|
|
sl@0
|
886 |
bufferPtr += 3;
|
|
sl@0
|
887 |
}
|
|
sl@0
|
888 |
}
|
|
sl@0
|
889 |
break;
|
|
sl@0
|
890 |
case ERgb:
|
|
sl@0
|
891 |
{
|
|
sl@0
|
892 |
TRgb* bufferPtr = (TRgb*)aBuffer;
|
|
sl@0
|
893 |
const TRgb* bufferPtrLimit = bufferPtr + aLength;
|
|
sl@0
|
894 |
|
|
sl@0
|
895 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
896 |
{
|
|
sl@0
|
897 |
*bufferPtr++ = ReadRgbNormal(aX,aY);
|
|
sl@0
|
898 |
aX += xInc; aY += yInc;
|
|
sl@0
|
899 |
}
|
|
sl@0
|
900 |
}
|
|
sl@0
|
901 |
break;
|
|
sl@0
|
902 |
case EColor16MU:
|
|
sl@0
|
903 |
{
|
|
sl@0
|
904 |
TUint32* bufferPtr = (TUint32*)aBuffer;
|
|
sl@0
|
905 |
const TUint32* bufferPtrLimit = bufferPtr + aLength;
|
|
sl@0
|
906 |
|
|
sl@0
|
907 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
908 |
{
|
|
sl@0
|
909 |
*bufferPtr++ = ReadRgbNormal(aX,aY)._Color16MU();//BGRA (Blue/Green/Red/Alpha) as little endian bite order
|
|
sl@0
|
910 |
aX += xInc; aY += yInc;
|
|
sl@0
|
911 |
}
|
|
sl@0
|
912 |
}
|
|
sl@0
|
913 |
break;
|
|
sl@0
|
914 |
case EColor16MA:
|
|
sl@0
|
915 |
{
|
|
sl@0
|
916 |
TUint32* bufferPtr = (TUint32*)aBuffer;
|
|
sl@0
|
917 |
const TUint32* bufferPtrLimit = bufferPtr + aLength;
|
|
sl@0
|
918 |
|
|
sl@0
|
919 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
920 |
{
|
|
sl@0
|
921 |
*bufferPtr++ = ReadRgbNormal(aX,aY)._Color16MA();//BGRA (Blue/Green/Red/Alpha) as little endian bite order
|
|
sl@0
|
922 |
aX += xInc; aY += yInc;
|
|
sl@0
|
923 |
}
|
|
sl@0
|
924 |
}
|
|
sl@0
|
925 |
break;
|
|
sl@0
|
926 |
case EColor16MAP:
|
|
sl@0
|
927 |
{
|
|
sl@0
|
928 |
TUint32* bufferPtr = (TUint32*)aBuffer;
|
|
sl@0
|
929 |
const TUint32* bufferPtrLimit = bufferPtr + aLength;
|
|
sl@0
|
930 |
|
|
sl@0
|
931 |
while (bufferPtr < bufferPtrLimit)
|
|
sl@0
|
932 |
{
|
|
sl@0
|
933 |
*bufferPtr++ = ReadRgbNormal(aX,aY)._Color16MAP();;
|
|
sl@0
|
934 |
aX += xInc; aY += yInc;
|
|
sl@0
|
935 |
}
|
|
sl@0
|
936 |
}
|
|
sl@0
|
937 |
break;
|
|
sl@0
|
938 |
default:
|
|
sl@0
|
939 |
Panic(EScreenDriverPanicInvalidDisplayMode);
|
|
sl@0
|
940 |
}
|
|
sl@0
|
941 |
}
|
|
sl@0
|
942 |
|
|
sl@0
|
943 |
//aX, aY - logical coordinates
|
|
sl@0
|
944 |
void CDrawBitmap::WriteRgb(TInt aX,TInt aY,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode)
|
|
sl@0
|
945 |
{
|
|
sl@0
|
946 |
register TInt width = -1;
|
|
sl@0
|
947 |
register TInt height = -1;
|
|
sl@0
|
948 |
PreWriteRgb(width, height, aX, aY, aDrawMode);
|
|
sl@0
|
949 |
WriteRgb(width, height, aX, aY, aColor, aDrawMode);
|
|
sl@0
|
950 |
}
|
|
sl@0
|
951 |
|
|
sl@0
|
952 |
//aX, aY - logical coordinates
|
|
sl@0
|
953 |
void CDrawBitmap::WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,
|
|
sl@0
|
954 |
TRgb aColor,CGraphicsContext::TDrawMode aDrawMode)
|
|
sl@0
|
955 |
{
|
|
sl@0
|
956 |
const TRect rect = DeOrientate(TRect(aX,aY,aX + aLength,aY + aHeight));//rect - physical coordinates
|
|
sl@0
|
957 |
aX = rect.iTl.iX;
|
|
sl@0
|
958 |
aY = rect.iTl.iY;
|
|
sl@0
|
959 |
aLength = rect.Width();
|
|
sl@0
|
960 |
aHeight = rect.Height();
|
|
sl@0
|
961 |
|
|
sl@0
|
962 |
__ASSERT_DEBUG(aX>=0 && aX+aLength<=iSize.iWidth,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
963 |
__ASSERT_DEBUG(aY>=0 && aY+aHeight<=iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
964 |
|
|
sl@0
|
965 |
MapColorToUserDisplayMode(aColor);
|
|
sl@0
|
966 |
if(iShadowMode)
|
|
sl@0
|
967 |
{
|
|
sl@0
|
968 |
Shadow(aColor);
|
|
sl@0
|
969 |
}
|
|
sl@0
|
970 |
if(aDrawMode&CGraphicsContext::EInvertPen)
|
|
sl@0
|
971 |
{
|
|
sl@0
|
972 |
aColor=~aColor;
|
|
sl@0
|
973 |
}
|
|
sl@0
|
974 |
if(aDrawMode&CGraphicsContext::EPenmode)
|
|
sl@0
|
975 |
{
|
|
sl@0
|
976 |
BlendRgbMulti(aX,aY,aLength,aHeight,aColor);
|
|
sl@0
|
977 |
return;
|
|
sl@0
|
978 |
}
|
|
sl@0
|
979 |
if(aDrawMode&CGraphicsContext::EWriteAlpha)
|
|
sl@0
|
980 |
{
|
|
sl@0
|
981 |
WriteRgbMulti(aX,aY,aLength,aHeight,aColor);
|
|
sl@0
|
982 |
return;
|
|
sl@0
|
983 |
}
|
|
sl@0
|
984 |
if(aDrawMode&CGraphicsContext::EInvertScreen)
|
|
sl@0
|
985 |
{
|
|
sl@0
|
986 |
WriteRgbMultiXOR(aX,aY,aLength,aHeight,KRgbWhite);
|
|
sl@0
|
987 |
}
|
|
sl@0
|
988 |
if(aDrawMode&CGraphicsContext::EXor)
|
|
sl@0
|
989 |
{
|
|
sl@0
|
990 |
WriteRgbMultiXOR(aX,aY,aLength,aHeight,aColor);
|
|
sl@0
|
991 |
}
|
|
sl@0
|
992 |
else if(aDrawMode&CGraphicsContext::EAnd)
|
|
sl@0
|
993 |
{
|
|
sl@0
|
994 |
WriteRgbMultiAND(aX,aY,aLength,aHeight,aColor);
|
|
sl@0
|
995 |
}
|
|
sl@0
|
996 |
else if(aDrawMode&CGraphicsContext::EOr)
|
|
sl@0
|
997 |
{
|
|
sl@0
|
998 |
WriteRgbMultiOR(aX,aY,aLength,aHeight,aColor);
|
|
sl@0
|
999 |
}
|
|
sl@0
|
1000 |
}
|
|
sl@0
|
1001 |
|
|
sl@0
|
1002 |
//aX, aY - logical coordinates
|
|
sl@0
|
1003 |
void CDrawBitmap::WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,
|
|
sl@0
|
1004 |
TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode)
|
|
sl@0
|
1005 |
{
|
|
sl@0
|
1006 |
TRect drawRect;
|
|
sl@0
|
1007 |
GetDrawRect(drawRect);
|
|
sl@0
|
1008 |
__ASSERT_DEBUG(aX >= drawRect.iTl.iX && (aX + aLength) <= drawRect.iBr.iX, Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1009 |
__ASSERT_DEBUG(aY >= drawRect.iTl.iY && (aY + aHeight) <= drawRect.iBr.iY, Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1010 |
__ASSERT_DEBUG(aBuffer, Panic(EScreenDriverPanicNullPointer));
|
|
sl@0
|
1011 |
__ASSERT_DEBUG(aLength > 0, Panic(EScreenDriverPanicZeroLength));
|
|
sl@0
|
1012 |
__ASSERT_DEBUG(aLength <= 32, Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1013 |
|
|
sl@0
|
1014 |
MapColorToUserDisplayMode(aColor);
|
|
sl@0
|
1015 |
if(iShadowMode)
|
|
sl@0
|
1016 |
Shadow(aColor);
|
|
sl@0
|
1017 |
if(aDrawMode&CGraphicsContext::EInvertPen)
|
|
sl@0
|
1018 |
aColor=~aColor;
|
|
sl@0
|
1019 |
if(aDrawMode&CGraphicsContext::EPenmode)
|
|
sl@0
|
1020 |
{
|
|
sl@0
|
1021 |
WriteBinary(aX,aY,aBuffer,aLength,aHeight,aColor);
|
|
sl@0
|
1022 |
return;
|
|
sl@0
|
1023 |
}
|
|
sl@0
|
1024 |
if(aDrawMode&CGraphicsContext::EInvertScreen)
|
|
sl@0
|
1025 |
WriteBinaryOp(aX,aY,aBuffer,aLength,aHeight,KRgbWhite,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
1026 |
if(aDrawMode&CGraphicsContext::ELogicalOp)
|
|
sl@0
|
1027 |
WriteBinaryOp(aX,aY,aBuffer,aLength,aHeight,aColor,(CGraphicsContext::TDrawMode)(aDrawMode&CGraphicsContext::ELogicalOp));
|
|
sl@0
|
1028 |
}
|
|
sl@0
|
1029 |
|
|
sl@0
|
1030 |
//aX, aY - logical coordinates
|
|
sl@0
|
1031 |
void CDrawBitmap::WriteBinaryLine(TInt aX,TInt aY,TUint32* aBuffer,
|
|
sl@0
|
1032 |
TInt aLength,TRgb aColor,
|
|
sl@0
|
1033 |
CGraphicsContext::TDrawMode aDrawMode)
|
|
sl@0
|
1034 |
{
|
|
sl@0
|
1035 |
MapColorToUserDisplayMode(aColor);
|
|
sl@0
|
1036 |
while(aLength>32)
|
|
sl@0
|
1037 |
{
|
|
sl@0
|
1038 |
WriteBinary(aX,aY,aBuffer,32,1,aColor,aDrawMode);
|
|
sl@0
|
1039 |
aX+=32;
|
|
sl@0
|
1040 |
aBuffer++;
|
|
sl@0
|
1041 |
aLength-=32;
|
|
sl@0
|
1042 |
}
|
|
sl@0
|
1043 |
WriteBinary(aX,aY,aBuffer,aLength,1,aColor,aDrawMode);
|
|
sl@0
|
1044 |
}
|
|
sl@0
|
1045 |
|
|
sl@0
|
1046 |
//aX, aY - logical coordinates
|
|
sl@0
|
1047 |
void CDrawBitmap::WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,
|
|
sl@0
|
1048 |
TInt aHeight,TRgb aColor,
|
|
sl@0
|
1049 |
CGraphicsContext::TDrawMode aDrawMode,TBool aUp)
|
|
sl@0
|
1050 |
{
|
|
sl@0
|
1051 |
TRect drawRect;
|
|
sl@0
|
1052 |
GetDrawRect(drawRect);
|
|
sl@0
|
1053 |
__ASSERT_DEBUG(aX >= drawRect.iTl.iX && aX < drawRect.iBr.iX, Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1054 |
__ASSERT_DEBUG(aY >= drawRect.iTl.iY, Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1055 |
__ASSERT_DEBUG(aUp || (aY + aHeight) <= drawRect.iBr.iY, Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1056 |
__ASSERT_DEBUG(!aUp || (aY - aHeight + 1) >= drawRect.iTl.iY, Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1057 |
__ASSERT_DEBUG(aBuffer, Panic(EScreenDriverPanicNullPointer));
|
|
sl@0
|
1058 |
__ASSERT_DEBUG(aHeight > 0, Panic(EScreenDriverPanicZeroLength));
|
|
sl@0
|
1059 |
|
|
sl@0
|
1060 |
MapColorToUserDisplayMode(aColor);
|
|
sl@0
|
1061 |
if((aDrawMode & CGraphicsContext::EPenmode) && iScalingOff)
|
|
sl@0
|
1062 |
{
|
|
sl@0
|
1063 |
if(iShadowMode)
|
|
sl@0
|
1064 |
Shadow(aColor);
|
|
sl@0
|
1065 |
if(aDrawMode&CGraphicsContext::EInvertPen)
|
|
sl@0
|
1066 |
aColor=~aColor;
|
|
sl@0
|
1067 |
WriteBinaryLineVertical(aX,aY,aBuffer,aHeight,aColor,aUp);
|
|
sl@0
|
1068 |
return;
|
|
sl@0
|
1069 |
}
|
|
sl@0
|
1070 |
|
|
sl@0
|
1071 |
TUint32 mask = 1;
|
|
sl@0
|
1072 |
TUint32 data = *aBuffer++;
|
|
sl@0
|
1073 |
TInt endrow = aY + (aUp ? -aHeight : aHeight);
|
|
sl@0
|
1074 |
TInt rowInc = aUp ? -1 : 1;
|
|
sl@0
|
1075 |
|
|
sl@0
|
1076 |
while (aY != endrow)
|
|
sl@0
|
1077 |
{
|
|
sl@0
|
1078 |
if (!mask)
|
|
sl@0
|
1079 |
{
|
|
sl@0
|
1080 |
data = *aBuffer++;
|
|
sl@0
|
1081 |
mask = 1;
|
|
sl@0
|
1082 |
}
|
|
sl@0
|
1083 |
|
|
sl@0
|
1084 |
if (data & mask)
|
|
sl@0
|
1085 |
{
|
|
sl@0
|
1086 |
WriteRgb(aX, aY, aColor, aDrawMode);
|
|
sl@0
|
1087 |
}
|
|
sl@0
|
1088 |
|
|
sl@0
|
1089 |
aY += rowInc;
|
|
sl@0
|
1090 |
mask <<= 1;
|
|
sl@0
|
1091 |
}
|
|
sl@0
|
1092 |
}
|
|
sl@0
|
1093 |
|
|
sl@0
|
1094 |
//aX, aY - logical coordinates
|
|
sl@0
|
1095 |
void CDrawBitmap::WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer,
|
|
sl@0
|
1096 |
CGraphicsContext::TDrawMode aDrawMode)
|
|
sl@0
|
1097 |
{
|
|
sl@0
|
1098 |
const TPoint originalPoint(aX,aY);
|
|
sl@0
|
1099 |
DeOrientate(aX,aY);//aX and aY - physical coordinates
|
|
sl@0
|
1100 |
|
|
sl@0
|
1101 |
__ASSERT_DEBUG(aX >= 0,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1102 |
__ASSERT_DEBUG(aY >= 0,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1103 |
#if defined(_DEBUG)
|
|
sl@0
|
1104 |
switch (iOrientation)
|
|
sl@0
|
1105 |
{
|
|
sl@0
|
1106 |
case EOrientationNormal:
|
|
sl@0
|
1107 |
__ASSERT_DEBUG(aX + aLength <= iSize.iWidth,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1108 |
break;
|
|
sl@0
|
1109 |
case EOrientationRotated90:
|
|
sl@0
|
1110 |
__ASSERT_DEBUG(aY + aLength <= iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1111 |
break;
|
|
sl@0
|
1112 |
case EOrientationRotated180:
|
|
sl@0
|
1113 |
__ASSERT_DEBUG(aX - aLength >= -1,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1114 |
break;
|
|
sl@0
|
1115 |
default: // EOrientationRotated270
|
|
sl@0
|
1116 |
__ASSERT_DEBUG(aY - aLength >= -1,Panic(EScreenDriverPanicOutOfBounds));
|
|
sl@0
|
1117 |
break;
|
|
sl@0
|
1118 |
}
|
|
sl@0
|
1119 |
#endif
|
|
sl@0
|
1120 |
__ASSERT_DEBUG(aLength > 0,Panic(EScreenDriverPanicZeroLength));
|
|
sl@0
|
1121 |
__ASSERT_DEBUG(aBuffer,Panic(EScreenDriverPanicNullPointer));
|
|
sl@0
|
1122 |
|
|
sl@0
|
1123 |
MapBufferToUserDisplayMode(aLength,aBuffer);
|
|
sl@0
|
1124 |
if(iShadowMode)
|
|
sl@0
|
1125 |
{
|
|
sl@0
|
1126 |
ShadowBuffer(aLength,aBuffer);
|
|
sl@0
|
1127 |
}
|
|
sl@0
|
1128 |
if(aDrawMode&CGraphicsContext::EInvertPen)
|
|
sl@0
|
1129 |
{
|
|
sl@0
|
1130 |
InvertBuffer(aLength,aBuffer);
|
|
sl@0
|
1131 |
}
|
|
sl@0
|
1132 |
if(aDrawMode&CGraphicsContext::EPenmode)
|
|
sl@0
|
1133 |
{
|
|
sl@0
|
1134 |
BlendLine(aX,aY,aLength,aBuffer);
|
|
sl@0
|
1135 |
return;
|
|
sl@0
|
1136 |
}
|
|
sl@0
|
1137 |
if(aDrawMode&CGraphicsContext::EWriteAlpha)
|
|
sl@0
|
1138 |
{
|
|
sl@0
|
1139 |
WriteLine(aX,aY,aLength,aBuffer);
|
|
sl@0
|
1140 |
return;
|
|
sl@0
|
1141 |
}
|
|
sl@0
|
1142 |
if(aDrawMode&CGraphicsContext::EInvertScreen)
|
|
sl@0
|
1143 |
{
|
|
sl@0
|
1144 |
const TRect rect = DeOrientate(TRect(originalPoint,TSize(aLength,1)));//"rect" - deorientated and scaled
|
|
sl@0
|
1145 |
WriteRgbMultiXOR(rect.iTl.iX,rect.iTl.iY,rect.Width(),rect.Height(),KRgbWhite);
|
|
sl@0
|
1146 |
}
|
|
sl@0
|
1147 |
if(aDrawMode&CGraphicsContext::EXor)
|
|
sl@0
|
1148 |
{
|
|
sl@0
|
1149 |
WriteLineXOR(aX,aY,aLength,aBuffer);
|
|
sl@0
|
1150 |
}
|
|
sl@0
|
1151 |
else if(aDrawMode&CGraphicsContext::EAnd)
|
|
sl@0
|
1152 |
{
|
|
sl@0
|
1153 |
WriteLineAND(aX,aY,aLength,aBuffer);
|
|
sl@0
|
1154 |
}
|
|
sl@0
|
1155 |
else if(aDrawMode&CGraphicsContext::EOr)
|
|
sl@0
|
1156 |
{
|
|
sl@0
|
1157 |
WriteLineOR(aX,aY,aLength,aBuffer);
|
|
sl@0
|
1158 |
}
|
|
sl@0
|
1159 |
}
|
|
sl@0
|
1160 |
|
|
sl@0
|
1161 |
TAny* CDrawBitmap::CopyOffset(TAny* aDestination,const TAny* aSource,TInt aWordsToCopy,TInt aSourceBitOffset)
|
|
sl@0
|
1162 |
{
|
|
sl@0
|
1163 |
ASSERT(aSourceBitOffset > 0 && aSourceBitOffset < 32);
|
|
sl@0
|
1164 |
|
|
sl@0
|
1165 |
const TUint32* srcPtr = REINTERPRET_CAST(const TUint32*,aSource);
|
|
sl@0
|
1166 |
TUint32* destPtr = REINTERPRET_CAST(TUint32*,aDestination);
|
|
sl@0
|
1167 |
const TUint32* destPtrLimit = destPtr + aWordsToCopy;
|
|
sl@0
|
1168 |
const TInt sourceBitOffsetComplement = 32 - aSourceBitOffset;
|
|
sl@0
|
1169 |
|
|
sl@0
|
1170 |
TUint32 sourceValue = *srcPtr++;
|
|
sl@0
|
1171 |
|
|
sl@0
|
1172 |
while (destPtr < destPtrLimit)
|
|
sl@0
|
1173 |
{
|
|
sl@0
|
1174 |
TUint32 destValue = sourceValue >> aSourceBitOffset;
|
|
sl@0
|
1175 |
sourceValue = *srcPtr++;
|
|
sl@0
|
1176 |
destValue |= sourceValue << sourceBitOffsetComplement;
|
|
sl@0
|
1177 |
*destPtr++ = destValue;
|
|
sl@0
|
1178 |
}
|
|
sl@0
|
1179 |
return destPtr;
|
|
sl@0
|
1180 |
}
|
|
sl@0
|
1181 |
/** Common code to read a line of pixels where there are >1 pixels per byte.
|
|
sl@0
|
1182 |
The source words must be shifted to fit the target buffer.
|
|
sl@0
|
1183 |
@param aPixelPtr Source location to start copying from (word aligned, last word is safe)
|
|
sl@0
|
1184 |
@param aBufferPtr Target location to write to (word aligned - may or may not own all last word)
|
|
sl@0
|
1185 |
@param aWordsCnt Number of source words that can be safely copied
|
|
sl@0
|
1186 |
@param aRestPixels Number of pixels that must be read from the next word for the final byte copy
|
|
sl@0
|
1187 |
@param aBytesCount Number of bytes to write from final input word
|
|
sl@0
|
1188 |
@param aShiftBits Number of bits shifted between input and output words.
|
|
sl@0
|
1189 |
**/
|
|
sl@0
|
1190 |
void CDrawBitmap::ReadLineCommon(TUint32* aPixelPtr,TUint32* aBufferPtr,TInt aWordsCount,TInt aRestPixels,TInt aBytesCount,TInt aShiftBits)
|
|
sl@0
|
1191 |
{
|
|
sl@0
|
1192 |
// As many pixels as possible are copied by shifting whole words.
|
|
sl@0
|
1193 |
// This involves reading two source words, shifting them,
|
|
sl@0
|
1194 |
// and merging the result to one target word.
|
|
sl@0
|
1195 |
// However, two cases mean the last few pixels need to be treated carefully:
|
|
sl@0
|
1196 |
// 1) The target buffer may be a number of bytes, not whole words.
|
|
sl@0
|
1197 |
// The number of pixels to copy defines the number of bytes to copy.
|
|
sl@0
|
1198 |
// 2) The number of pixels to read may mean the last read does not need
|
|
sl@0
|
1199 |
// to read a second word in order to satisfy the number of pixels requested.
|
|
sl@0
|
1200 |
// This next word may not be mapped, so must not be read!
|
|
sl@0
|
1201 |
|
|
sl@0
|
1202 |
//Are we willing to pay for these asserts for every scanline copy, even in debug?
|
|
sl@0
|
1203 |
__ASSERT_DEBUG(aPixelPtr, User::Invariant());
|
|
sl@0
|
1204 |
__ASSERT_DEBUG(aBufferPtr, User::Invariant());
|
|
sl@0
|
1205 |
__ASSERT_DEBUG(aWordsCount>=0, User::Invariant());
|
|
sl@0
|
1206 |
__ASSERT_DEBUG(aBytesCount<5, User::Invariant());
|
|
sl@0
|
1207 |
__ASSERT_DEBUG(aShiftBits>=0 && aShiftBits<33, User::Invariant());
|
|
sl@0
|
1208 |
|
|
sl@0
|
1209 |
TUint32 nextpixel;
|
|
sl@0
|
1210 |
if(aWordsCount>0)
|
|
sl@0
|
1211 |
{
|
|
sl@0
|
1212 |
if (aShiftBits==0)
|
|
sl@0
|
1213 |
{
|
|
sl@0
|
1214 |
while (aWordsCount--)
|
|
sl@0
|
1215 |
{
|
|
sl@0
|
1216 |
*aBufferPtr++ = *aPixelPtr++;
|
|
sl@0
|
1217 |
}
|
|
sl@0
|
1218 |
if (aBytesCount>0) //I hope the optimiser can concatenate these two tests?
|
|
sl@0
|
1219 |
{
|
|
sl@0
|
1220 |
nextpixel=aPixelPtr[0];
|
|
sl@0
|
1221 |
}
|
|
sl@0
|
1222 |
}
|
|
sl@0
|
1223 |
else
|
|
sl@0
|
1224 |
{
|
|
sl@0
|
1225 |
const TInt shiftBitsExtra = 32 - aShiftBits;
|
|
sl@0
|
1226 |
nextpixel=aPixelPtr[0];
|
|
sl@0
|
1227 |
while (aWordsCount--)
|
|
sl@0
|
1228 |
{
|
|
sl@0
|
1229 |
TUint32 prevpixel=nextpixel;
|
|
sl@0
|
1230 |
nextpixel=aPixelPtr[1]; //this must not read forward when it doesn't need to
|
|
sl@0
|
1231 |
aBufferPtr[0] = (prevpixel >> aShiftBits) | (nextpixel << shiftBitsExtra);
|
|
sl@0
|
1232 |
|
|
sl@0
|
1233 |
aPixelPtr++;
|
|
sl@0
|
1234 |
aBufferPtr++;
|
|
sl@0
|
1235 |
}
|
|
sl@0
|
1236 |
}
|
|
sl@0
|
1237 |
}
|
|
sl@0
|
1238 |
else
|
|
sl@0
|
1239 |
{
|
|
sl@0
|
1240 |
nextpixel=aPixelPtr[0];
|
|
sl@0
|
1241 |
}
|
|
sl@0
|
1242 |
|
|
sl@0
|
1243 |
//deal with the trailing bytes
|
|
sl@0
|
1244 |
if (aBytesCount>0)
|
|
sl@0
|
1245 |
{
|
|
sl@0
|
1246 |
if (aBytesCount==4)
|
|
sl@0
|
1247 |
{
|
|
sl@0
|
1248 |
//The client only requests 4 bytes rather than 1 more word when the requested pixels
|
|
sl@0
|
1249 |
//mean the second word should not be read from.
|
|
sl@0
|
1250 |
//Can also write the result in a single operation!
|
|
sl@0
|
1251 |
aBufferPtr[0]=nextpixel>> aShiftBits;
|
|
sl@0
|
1252 |
}
|
|
sl@0
|
1253 |
else
|
|
sl@0
|
1254 |
{
|
|
sl@0
|
1255 |
if (aRestPixels>0)
|
|
sl@0
|
1256 |
{
|
|
sl@0
|
1257 |
//do need to read from next word to fill all the requested pixels.
|
|
sl@0
|
1258 |
aWordsCount=(nextpixel >> aShiftBits) | (aPixelPtr[1] << (32 - aShiftBits));
|
|
sl@0
|
1259 |
}
|
|
sl@0
|
1260 |
else
|
|
sl@0
|
1261 |
{
|
|
sl@0
|
1262 |
//Don't read second word, otherwise might read past end of picture data!
|
|
sl@0
|
1263 |
aWordsCount=(nextpixel >> aShiftBits);
|
|
sl@0
|
1264 |
}
|
|
sl@0
|
1265 |
TUint8* bufferPtrChar=reinterpret_cast <TUint8*> (aBufferPtr);
|
|
sl@0
|
1266 |
|
|
sl@0
|
1267 |
//max 3 bytes to store
|
|
sl@0
|
1268 |
if (aBytesCount&2)
|
|
sl@0
|
1269 |
{
|
|
sl@0
|
1270 |
bufferPtrChar[0]=aWordsCount;
|
|
sl@0
|
1271 |
bufferPtrChar[1]=aWordsCount>>8;
|
|
sl@0
|
1272 |
bufferPtrChar+=2;
|
|
sl@0
|
1273 |
aWordsCount>>=16;
|
|
sl@0
|
1274 |
}
|
|
sl@0
|
1275 |
if (aBytesCount&1)
|
|
sl@0
|
1276 |
{
|
|
sl@0
|
1277 |
bufferPtrChar[0]=aWordsCount;
|
|
sl@0
|
1278 |
}
|
|
sl@0
|
1279 |
}
|
|
sl@0
|
1280 |
}
|
|
sl@0
|
1281 |
}
|
|
sl@0
|
1282 |
|
|
sl@0
|
1283 |
/**
|
|
sl@0
|
1284 |
The method performs an alpha blending of the source data - aRgbBuffer and screen pixels, using
|
|
sl@0
|
1285 |
the data from aMaskBuffer buffer as an alpha blending factor.
|
|
sl@0
|
1286 |
If the shadowing/fading flag is set, a shadow/fade copy of the source bitmap will be used.
|
|
sl@0
|
1287 |
The formula used for that, is:
|
|
sl@0
|
1288 |
(C1 * A + C2 * (255 - A)) / 255, where:
|
|
sl@0
|
1289 |
- C1 - a pixel from aRgbBuffer;
|
|
sl@0
|
1290 |
- C2 - a pixel from the sceen;
|
|
sl@0
|
1291 |
- A - a pixel from aMaskBuffer;
|
|
sl@0
|
1292 |
The content of source and mask buffers is preserved.
|
|
sl@0
|
1293 |
The calculated alpha blended pixel is written to the destination - the screen or a bitmap.
|
|
sl@0
|
1294 |
@param aX Logical X coordinate of the position in the target the result should be drawn to.
|
|
sl@0
|
1295 |
@param aY Logical Y coordinate of the position in the target the result should be drawn to.
|
|
sl@0
|
1296 |
@param aLength Source data - length in pixels.
|
|
sl@0
|
1297 |
@param aRgbBuffer A pointer to a line of the source bitmap data.
|
|
sl@0
|
1298 |
@param aMaskBuffer Buffer containing the data which should be used as an
|
|
sl@0
|
1299 |
alpha blending factor.
|
|
sl@0
|
1300 |
*/
|
|
sl@0
|
1301 |
void CDrawBitmap::WriteRgbAlphaLine(TInt aX, TInt aY, TInt aLength,
|
|
sl@0
|
1302 |
TUint8* aRgbBuffer, TUint8* aMaskBuffer,
|
|
sl@0
|
1303 |
CGraphicsContext::TDrawMode aDrawMode)
|
|
sl@0
|
1304 |
{
|
|
sl@0
|
1305 |
iAlphaBlend->WriteRgbAlphaLine(aX, aY, aLength, aRgbBuffer, aMaskBuffer,
|
|
sl@0
|
1306 |
MAlphaBlend::EShdwBefore,
|
|
sl@0
|
1307 |
aDrawMode);
|
|
sl@0
|
1308 |
}
|
|
sl@0
|
1309 |
|
|
sl@0
|
1310 |
/**
|
|
sl@0
|
1311 |
The method performs an alpha blending of the source data - aRgbBuffer1 and aBuffer2, using
|
|
sl@0
|
1312 |
the data from aMaskBuffer buffer as an alpha blending factor.
|
|
sl@0
|
1313 |
If the shadowing/fading flag is set, the resulting pixels will be shadowed/faded.
|
|
sl@0
|
1314 |
The formula used for that, is:
|
|
sl@0
|
1315 |
(C1 * A + C2 * (255 - A)) / 255, where:
|
|
sl@0
|
1316 |
- C1 - a pixel from aRgbBuffer1;
|
|
sl@0
|
1317 |
- C2 - a pixel from aBuffer2;
|
|
sl@0
|
1318 |
- A - a pixel from aMaskBuffer;
|
|
sl@0
|
1319 |
The content of source and mask buffers is preserved.
|
|
sl@0
|
1320 |
The calculated alpha blended pixel is written to the destination - the screen or a bitmap.
|
|
sl@0
|
1321 |
@param aX Logical X coordinate of the position in the target the result should be drawn to.
|
|
sl@0
|
1322 |
@param aY Logical Y coordinate of the position in the target the result should be drawn to.
|
|
sl@0
|
1323 |
@param aLength Source data - length in pixels.
|
|
sl@0
|
1324 |
@param aRgbBuffer1 A pointer to a line of the source bitmap data 1.
|
|
sl@0
|
1325 |
@param aBuffer2 A pointer to a line of the source bitmap data 2.
|
|
sl@0
|
1326 |
Source bitmap data 2 should be mapped to current display mode
|
|
sl@0
|
1327 |
before the method call.
|
|
sl@0
|
1328 |
@param aMaskBuffer Buffer containing the data which should be used as an
|
|
sl@0
|
1329 |
alpha blending factor.
|
|
sl@0
|
1330 |
@param aDrawMode Drawing mode
|
|
sl@0
|
1331 |
*/
|
|
sl@0
|
1332 |
void CDrawBitmap::WriteRgbAlphaLine(TInt aX,TInt aY,TInt aLength,
|
|
sl@0
|
1333 |
const TUint8* aRgbBuffer1,
|
|
sl@0
|
1334 |
const TUint8* aBuffer2,
|
|
sl@0
|
1335 |
const TUint8* aMaskBuffer,
|
|
sl@0
|
1336 |
CGraphicsContext::TDrawMode aDrawMode)
|
|
sl@0
|
1337 |
{
|
|
sl@0
|
1338 |
// Save current shadow mode
|
|
sl@0
|
1339 |
TShadowMode temp_mode = iShadowMode;
|
|
sl@0
|
1340 |
iShadowMode = ENoShadow;
|
|
sl@0
|
1341 |
// copy the source data 2 to the screen/bitmap target buffer
|
|
sl@0
|
1342 |
WriteLine(aX, aY, aLength, (TUint32*)aBuffer2, aDrawMode);
|
|
sl@0
|
1343 |
// restore current shadow mode
|
|
sl@0
|
1344 |
iShadowMode = temp_mode;
|
|
sl@0
|
1345 |
// DrawModePen is the only supported operation for blending masks.
|
|
sl@0
|
1346 |
iAlphaBlend->WriteRgbAlphaLine(aX, aY, aLength, aRgbBuffer1, aMaskBuffer,
|
|
sl@0
|
1347 |
MAlphaBlend::EShdwAfter, CGraphicsContext::EDrawModePEN);
|
|
sl@0
|
1348 |
}
|
|
sl@0
|
1349 |
|
|
sl@0
|
1350 |
//Initializes iSize and iDrawRect data members.
|
|
sl@0
|
1351 |
//It should be called every time when iSize is going to be changed - Construct() implementations
|
|
sl@0
|
1352 |
//in derived classes.
|
|
sl@0
|
1353 |
//The method does not use iOrientation data member.
|
|
sl@0
|
1354 |
//@param aSize Physical screen size in pixels.
|
|
sl@0
|
1355 |
//@panic EScreenDriverPanicInvalidSize - Invalid aSize parameter. This might happen if the
|
|
sl@0
|
1356 |
//device is scaled and the scaling origin goes outside physical drawing rectangle.
|
|
sl@0
|
1357 |
void CDrawBitmap::SetSize(const TSize& aSize)
|
|
sl@0
|
1358 |
{
|
|
sl@0
|
1359 |
iSize = aSize;
|
|
sl@0
|
1360 |
InitLogicalCoordinates();
|
|
sl@0
|
1361 |
}
|
|
sl@0
|
1362 |
|
|
sl@0
|
1363 |
/**
|
|
sl@0
|
1364 |
The method swaps bitmap device's width and height.
|
|
sl@0
|
1365 |
For example: if the size is (40, 20), the swapped size will be (20, 40).
|
|
sl@0
|
1366 |
The device's content is not preserved.
|
|
sl@0
|
1367 |
The method leaves CDrawBitmap object in a consistent state -
|
|
sl@0
|
1368 |
scaling settings will be set with their default values (the scaling is switched off),
|
|
sl@0
|
1369 |
iDitherOrigin will be set to (0,0), iOrigin to (0,0).
|
|
sl@0
|
1370 |
|
|
sl@0
|
1371 |
Note: This method is used internally by BITGDI component. Do not call it!
|
|
sl@0
|
1372 |
*/
|
|
sl@0
|
1373 |
void CDrawBitmap::SwapWidthAndHeight()
|
|
sl@0
|
1374 |
{
|
|
sl@0
|
1375 |
SetDefaults();
|
|
sl@0
|
1376 |
//Swap width and height
|
|
sl@0
|
1377 |
TSize swappedSize(iSize.iHeight, iSize.iWidth);
|
|
sl@0
|
1378 |
//Initialize iSize, iScanLineWords, iLongWidth data members.
|
|
sl@0
|
1379 |
SetSize(swappedSize);
|
|
sl@0
|
1380 |
}
|
|
sl@0
|
1381 |
|
|
sl@0
|
1382 |
//This method initializes some of the data members.
|
|
sl@0
|
1383 |
//Espetially it switches scaling off, sets iDitherOrigin to (0,0),
|
|
sl@0
|
1384 |
//iOrigin to (0,0), iDrawRect to (0,0,0,0). iSize value is preserved.
|
|
sl@0
|
1385 |
//Do not forget to update it if adding new data members!
|
|
sl@0
|
1386 |
void CDrawBitmap::SetDefaults()
|
|
sl@0
|
1387 |
{
|
|
sl@0
|
1388 |
iLongWidth = 0;
|
|
sl@0
|
1389 |
iDitherOrigin.SetXY(0, 0);
|
|
sl@0
|
1390 |
iFadeMapFactor = 128;
|
|
sl@0
|
1391 |
iFadeMapOffset = 128;
|
|
sl@0
|
1392 |
iScalingSettings = TScalingSettings();
|
|
sl@0
|
1393 |
iOrigin.SetXY(0, 0);
|
|
sl@0
|
1394 |
iScalingOff = ETrue;
|
|
sl@0
|
1395 |
iOriginIsZero = ETrue;
|
|
sl@0
|
1396 |
iDrawRect.SetRect(0, 0, 0, 0);
|
|
sl@0
|
1397 |
}
|
|
sl@0
|
1398 |
|
|
sl@0
|
1399 |
/**
|
|
sl@0
|
1400 |
Implementation for CFbsDrawDevice::GetInterface().
|
|
sl@0
|
1401 |
Retrieves a pointer to a specified interface of CFbsDrawDevice implementation.
|
|
sl@0
|
1402 |
@param aInterfaceId Interface identifier of the interface to be retrieved.
|
|
sl@0
|
1403 |
@param aInterface Address of variable that retrieves the specified interface.
|
|
sl@0
|
1404 |
@return KErrNone If the interface is supported, KErrNotSupported otherwise.
|
|
sl@0
|
1405 |
*/
|
|
sl@0
|
1406 |
TInt CDrawBitmap::GetInterface(TInt aInterfaceId, TAny*& aInterface)
|
|
sl@0
|
1407 |
{
|
|
sl@0
|
1408 |
aInterface = NULL;
|
|
sl@0
|
1409 |
TInt err = KErrNotSupported;
|
|
sl@0
|
1410 |
|
|
sl@0
|
1411 |
switch (aInterfaceId)
|
|
sl@0
|
1412 |
{
|
|
sl@0
|
1413 |
case KScalingSettingsInterfaceID:
|
|
sl@0
|
1414 |
{
|
|
sl@0
|
1415 |
if(CanBeScaled())
|
|
sl@0
|
1416 |
{
|
|
sl@0
|
1417 |
aInterface = static_cast <MScalingSettings*> (this);
|
|
sl@0
|
1418 |
err = KErrNone;
|
|
sl@0
|
1419 |
}
|
|
sl@0
|
1420 |
break;
|
|
sl@0
|
1421 |
}
|
|
sl@0
|
1422 |
case KDrawDeviceOriginInterfaceID:
|
|
sl@0
|
1423 |
{
|
|
sl@0
|
1424 |
if(CanOriginBeMoved())
|
|
sl@0
|
1425 |
{
|
|
sl@0
|
1426 |
aInterface = static_cast <MDrawDeviceOrigin*> (this);
|
|
sl@0
|
1427 |
err = KErrNone;
|
|
sl@0
|
1428 |
}
|
|
sl@0
|
1429 |
break;
|
|
sl@0
|
1430 |
}
|
|
sl@0
|
1431 |
case KAlphaBlendInterfaceID:
|
|
sl@0
|
1432 |
{
|
|
sl@0
|
1433 |
aInterface = static_cast <MAlphaBlend*> (this);
|
|
sl@0
|
1434 |
err = KErrNone;
|
|
sl@0
|
1435 |
break;
|
|
sl@0
|
1436 |
}
|
|
sl@0
|
1437 |
case KOrientationInterfaceID:
|
|
sl@0
|
1438 |
{
|
|
sl@0
|
1439 |
aInterface = static_cast <MDrawDeviceOrientation*> (this);
|
|
sl@0
|
1440 |
err = KErrNone;
|
|
sl@0
|
1441 |
break;
|
|
sl@0
|
1442 |
}
|
|
sl@0
|
1443 |
case KOutlineAndShadowInterfaceID:
|
|
sl@0
|
1444 |
{
|
|
sl@0
|
1445 |
aInterface = static_cast <MOutlineAndShadowBlend*> (this);
|
|
sl@0
|
1446 |
err = KErrNone;
|
|
sl@0
|
1447 |
break;
|
|
sl@0
|
1448 |
}
|
|
sl@0
|
1449 |
case KFastBlendInterfaceID:
|
|
sl@0
|
1450 |
{
|
|
sl@0
|
1451 |
aInterface = static_cast <MFastBlend*> (this);
|
|
sl@0
|
1452 |
err = KErrNone;
|
|
sl@0
|
1453 |
break;
|
|
sl@0
|
1454 |
}
|
|
sl@0
|
1455 |
}
|
|
sl@0
|
1456 |
|
|
sl@0
|
1457 |
return err;
|
|
sl@0
|
1458 |
}
|
|
sl@0
|
1459 |
|
|
sl@0
|
1460 |
void CDrawBitmap::BlendRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
|
|
sl@0
|
1461 |
{
|
|
sl@0
|
1462 |
WriteRgbMulti(aX,aY,aLength,aHeight,aColor);
|
|
sl@0
|
1463 |
}
|
|
sl@0
|
1464 |
|
|
sl@0
|
1465 |
void CDrawBitmap::BlendLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
|
|
sl@0
|
1466 |
{
|
|
sl@0
|
1467 |
WriteLine(aX, aY,aLength, aBuffer);
|
|
sl@0
|
1468 |
}
|
|
sl@0
|
1469 |
|
|
sl@0
|
1470 |
/**
|
|
sl@0
|
1471 |
Convert a RGB pixel into the color associated to the user display mode.
|
|
sl@0
|
1472 |
@param aRed red color
|
|
sl@0
|
1473 |
@param aGreen green color
|
|
sl@0
|
1474 |
@param aBlue blue color
|
|
sl@0
|
1475 |
@internalComponent
|
|
sl@0
|
1476 |
*/
|
|
sl@0
|
1477 |
void CDrawBitmap::MapColorToUserDisplayMode(TInt& aRed,TInt& aGreen,TInt& aBlue)
|
|
sl@0
|
1478 |
{
|
|
sl@0
|
1479 |
TUint32 tmpValue;
|
|
sl@0
|
1480 |
|
|
sl@0
|
1481 |
switch (iUserDispMode)
|
|
sl@0
|
1482 |
{
|
|
sl@0
|
1483 |
case EGray2:
|
|
sl@0
|
1484 |
tmpValue = ((aRed<<1) + aGreen + (aGreen<<2) + aBlue) >> 10;
|
|
sl@0
|
1485 |
if (tmpValue) { aRed = 0xff; aBlue = 0xff; aGreen = 0xff; }
|
|
sl@0
|
1486 |
else { aRed = 0x00; aBlue = 0x00; aGreen = 0x00; }
|
|
sl@0
|
1487 |
break;
|
|
sl@0
|
1488 |
case EGray4:
|
|
sl@0
|
1489 |
tmpValue = ((aRed<<1) + aGreen + (aGreen<<2) + aBlue) >> 9;
|
|
sl@0
|
1490 |
tmpValue = tmpValue | (tmpValue << 2) | (tmpValue << 4) | (tmpValue << 6);
|
|
sl@0
|
1491 |
aRed = tmpValue; aGreen = tmpValue; aBlue = tmpValue;
|
|
sl@0
|
1492 |
break;
|
|
sl@0
|
1493 |
case EGray16:
|
|
sl@0
|
1494 |
tmpValue = ((aRed<<1) + aGreen + (aGreen<<2) + aBlue) >> 7;
|
|
sl@0
|
1495 |
tmpValue = tmpValue | (tmpValue << 4);
|
|
sl@0
|
1496 |
aRed = tmpValue; aGreen = tmpValue; aBlue = tmpValue;
|
|
sl@0
|
1497 |
break;
|
|
sl@0
|
1498 |
case EGray256:
|
|
sl@0
|
1499 |
tmpValue = ((aRed<<1) + aGreen + (aGreen<<2) + aBlue) >> 3;
|
|
sl@0
|
1500 |
aRed = tmpValue; aGreen = tmpValue; aBlue = tmpValue;
|
|
sl@0
|
1501 |
break;
|
|
sl@0
|
1502 |
case EColor16:
|
|
sl@0
|
1503 |
{
|
|
sl@0
|
1504 |
TRgb aColor(aRed,aGreen,aBlue);
|
|
sl@0
|
1505 |
aColor = TRgb::Color16(aColor.Color16());
|
|
sl@0
|
1506 |
aRed = aColor.Red(); aGreen = aColor.Green(); aBlue = aColor.Blue();
|
|
sl@0
|
1507 |
break;
|
|
sl@0
|
1508 |
}
|
|
sl@0
|
1509 |
case EColor256:
|
|
sl@0
|
1510 |
{
|
|
sl@0
|
1511 |
TRgb aColor2(aRed,aGreen,aBlue);
|
|
sl@0
|
1512 |
aColor2 = TRgb::Color256(aColor2.Color256());
|
|
sl@0
|
1513 |
aRed = aColor2.Red(); aGreen = aColor2.Green(); aBlue = aColor2.Blue();
|
|
sl@0
|
1514 |
break;
|
|
sl@0
|
1515 |
}
|
|
sl@0
|
1516 |
case EColor4K:
|
|
sl@0
|
1517 |
aBlue = aBlue & 0xf0; aBlue |= (aBlue >> 4);
|
|
sl@0
|
1518 |
aGreen = aGreen & 0xf0; aGreen |= (aGreen >> 4);
|
|
sl@0
|
1519 |
aRed = aRed & 0xf0; aRed |= (aRed >> 4);
|
|
sl@0
|
1520 |
break;
|
|
sl@0
|
1521 |
case EColor64K:
|
|
sl@0
|
1522 |
aBlue = aBlue & 0xf8; aBlue += (aBlue >> 5);
|
|
sl@0
|
1523 |
aGreen = aGreen & 0xfc; aGreen += (aGreen >> 6);
|
|
sl@0
|
1524 |
aRed = aRed & 0xf8; aRed += (aRed >> 5);
|
|
sl@0
|
1525 |
break;
|
|
sl@0
|
1526 |
default:
|
|
sl@0
|
1527 |
break;
|
|
sl@0
|
1528 |
}
|
|
sl@0
|
1529 |
}
|
|
sl@0
|
1530 |
|
|
sl@0
|
1531 |
/**
|
|
sl@0
|
1532 |
CDrawBitmap::Orientation() implementation.
|
|
sl@0
|
1533 |
@internalTechnology
|
|
sl@0
|
1534 |
@see MDrawDeviceOrientation::Orientation()
|
|
sl@0
|
1535 |
*/
|
|
sl@0
|
1536 |
CFbsDrawDevice::TOrientation CDrawBitmap::Orientation()
|
|
sl@0
|
1537 |
{
|
|
sl@0
|
1538 |
return iOrientation;
|
|
sl@0
|
1539 |
}
|
|
sl@0
|
1540 |
|
|
sl@0
|
1541 |
#ifdef __ARMCC__
|
|
sl@0
|
1542 |
#ifndef __MARM_THUMB__
|
|
sl@0
|
1543 |
#define USE_SCREENDRIVER_ARM_ASM
|
|
sl@0
|
1544 |
#endif //__MARM_THUMB__
|
|
sl@0
|
1545 |
#endif //__ARMCC__
|
|
sl@0
|
1546 |
|
|
sl@0
|
1547 |
#ifdef USE_SCREENDRIVER_ARM_ASM
|
|
sl@0
|
1548 |
/**
|
|
sl@0
|
1549 |
MemFill - using an unrolled loop to perform the following:
|
|
sl@0
|
1550 |
for (TUint32* tempWordPtr = wordPtr; tempWordPtr < wordPtrLimit; tempWordPtr++)
|
|
sl@0
|
1551 |
{
|
|
sl@0
|
1552 |
*tempWordPtr = colorWord;
|
|
sl@0
|
1553 |
}
|
|
sl@0
|
1554 |
*/
|
|
sl@0
|
1555 |
__asm void MemFillTUint32(TUint32* /*aTrg*/, TInt /*aLength*/, const TUint32 /*aValue*/)
|
|
sl@0
|
1556 |
{
|
|
sl@0
|
1557 |
//r0 - aTrg, r1 - aLength, r2 - aValue
|
|
sl@0
|
1558 |
push {r1,r3,lr}
|
|
sl@0
|
1559 |
and r3,r1,#7
|
|
sl@0
|
1560 |
cmp r3,#7
|
|
sl@0
|
1561 |
addls pc,pc,r3,LSL #2
|
|
sl@0
|
1562 |
b mf_switch0
|
|
sl@0
|
1563 |
b mf_switch0
|
|
sl@0
|
1564 |
b mf_switch1
|
|
sl@0
|
1565 |
b mf_switch2
|
|
sl@0
|
1566 |
b mf_switch3
|
|
sl@0
|
1567 |
b mf_switch4
|
|
sl@0
|
1568 |
b mf_switch5
|
|
sl@0
|
1569 |
b mf_switch6
|
|
sl@0
|
1570 |
b mf_switch7
|
|
sl@0
|
1571 |
mf_switch7
|
|
sl@0
|
1572 |
str r2,[r0],#4
|
|
sl@0
|
1573 |
mf_switch6
|
|
sl@0
|
1574 |
str r2,[r0],#4
|
|
sl@0
|
1575 |
mf_switch5
|
|
sl@0
|
1576 |
str r2,[r0],#4
|
|
sl@0
|
1577 |
mf_switch4
|
|
sl@0
|
1578 |
str r2,[r0],#4
|
|
sl@0
|
1579 |
mf_switch3
|
|
sl@0
|
1580 |
str r2,[r0],#4
|
|
sl@0
|
1581 |
mf_switch2
|
|
sl@0
|
1582 |
str r2,[r0],#4
|
|
sl@0
|
1583 |
mf_switch1
|
|
sl@0
|
1584 |
str r2,[r0],#4
|
|
sl@0
|
1585 |
mf_switch0
|
|
sl@0
|
1586 |
|
|
sl@0
|
1587 |
asr r1,r1,#3
|
|
sl@0
|
1588 |
cmp r1,#0
|
|
sl@0
|
1589 |
beq mf_complete
|
|
sl@0
|
1590 |
|
|
sl@0
|
1591 |
push {r0,r2,r4-r8}
|
|
sl@0
|
1592 |
mov r3,r2
|
|
sl@0
|
1593 |
mov r4,r2
|
|
sl@0
|
1594 |
mov r5,r2
|
|
sl@0
|
1595 |
mov r6,r2
|
|
sl@0
|
1596 |
mov r7,r2
|
|
sl@0
|
1597 |
mov r8,r2
|
|
sl@0
|
1598 |
mov lr,r2
|
|
sl@0
|
1599 |
|
|
sl@0
|
1600 |
mf_more
|
|
sl@0
|
1601 |
stmia r0!,{r2-r8,lr}
|
|
sl@0
|
1602 |
subs r1,r1,#1
|
|
sl@0
|
1603 |
bgt mf_more
|
|
sl@0
|
1604 |
pop {r0,r2,r4-r8}
|
|
sl@0
|
1605 |
|
|
sl@0
|
1606 |
mf_complete
|
|
sl@0
|
1607 |
pop {r1,r3,pc}
|
|
sl@0
|
1608 |
}
|
|
sl@0
|
1609 |
|
|
sl@0
|
1610 |
#else //USE_SCREENDRIVER_ARM_ASM
|
|
sl@0
|
1611 |
|
|
sl@0
|
1612 |
const TInt KDevideByEightShift = 3;
|
|
sl@0
|
1613 |
const TInt KModulusByEightFlag = 7;
|
|
sl@0
|
1614 |
|
|
sl@0
|
1615 |
void MemFillTUint32(TUint32* tempWordPtr, TInt aCount, const TUint32 aValue)
|
|
sl@0
|
1616 |
{
|
|
sl@0
|
1617 |
TInt remainder = aCount & KModulusByEightFlag;
|
|
sl@0
|
1618 |
switch (remainder)
|
|
sl@0
|
1619 |
{
|
|
sl@0
|
1620 |
case 7:
|
|
sl@0
|
1621 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1622 |
case 6:
|
|
sl@0
|
1623 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1624 |
case 5:
|
|
sl@0
|
1625 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1626 |
case 4:
|
|
sl@0
|
1627 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1628 |
case 3:
|
|
sl@0
|
1629 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1630 |
case 2:
|
|
sl@0
|
1631 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1632 |
case 1:
|
|
sl@0
|
1633 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1634 |
}
|
|
sl@0
|
1635 |
register TUint32 value0 = aValue;
|
|
sl@0
|
1636 |
register TUint32 value1 = aValue;
|
|
sl@0
|
1637 |
register TUint32 value2 = aValue;
|
|
sl@0
|
1638 |
for(TInt times = (aCount >> KDevideByEightShift); times > 0; --times)
|
|
sl@0
|
1639 |
{
|
|
sl@0
|
1640 |
*tempWordPtr++ = value0;
|
|
sl@0
|
1641 |
*tempWordPtr++ = value1;
|
|
sl@0
|
1642 |
*tempWordPtr++ = value2;
|
|
sl@0
|
1643 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1644 |
*tempWordPtr++ = value0;
|
|
sl@0
|
1645 |
*tempWordPtr++ = value1;
|
|
sl@0
|
1646 |
*tempWordPtr++ = value2;
|
|
sl@0
|
1647 |
*tempWordPtr++ = aValue;
|
|
sl@0
|
1648 |
}
|
|
sl@0
|
1649 |
}
|
|
sl@0
|
1650 |
|
|
sl@0
|
1651 |
#endif //USE_SCREENDRIVER_ARM_ASM
|
|
sl@0
|
1652 |
|