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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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//
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#include "swdirectgdiengine.h"
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#include "swdirectgdidriverimpl.h"
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#include "directgdiadapter.h"
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#include <bitdrawinterfaceid.h>
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#include <bmalphablend.h>
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#include <graphics/bitmap.inl>
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#include <graphics/gdi/gdiinline.inl>
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/**
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@see MDirectGdiEngine::BitBlt()
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@panic DGDIAdapter 7, aBitmap is invalid (debug only).
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*/
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void CSwDirectGdiEngine::BitBlt(const TPoint& aDestPos,
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const CFbsBitmap& aBitmap,
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const TRect& aSrceRect)
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{
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if (aBitmap.ExtendedBitmapType() != KNullUid)
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{
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iDriver->SetError(KErrNotSupported); // Not supported for extended bitmaps
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return;
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}
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TRect srceRect(aSrceRect);
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const TPoint destPoint(aDestPos + iOrigin + srceRect.iTl - aSrceRect.iTl);
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const TPoint offset(srceRect.iTl - destPoint);
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TRect targetRect(destPoint,srceRect.Size());
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aBitmap.BeginDataAccess();
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CBitwiseBitmap* srce = static_cast<const CSwDirectGdiBitmap&>(aBitmap).Address();
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GRAPHICS_ASSERT_DEBUG(srce,EDirectGdiPanicInvalidBitmap);
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const TInt limit = iDefaultRegionPtr->Count();
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TBool opaqueSource = (!IsAlphaChannel(aBitmap.DisplayMode())) && (iDrawMode == DirectGdi::EDrawModePEN);
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TRect clipRect;
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for (TInt count = 0; count < limit; count++)
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{
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clipRect = (*iDefaultRegionPtr)[count];
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if(!clipRect.Intersects(targetRect))
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{
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continue;
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}
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clipRect.Intersection(targetRect);
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TRect clippedSrceRect(clipRect);
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clippedSrceRect.Move(offset);
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if (opaqueSource)
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{
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iDrawMode = DirectGdi::EDrawModeWriteAlpha; // write rather than blend.
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}
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DoBitBlt(clipRect.iTl, srce, aBitmap.DataAddress(), aBitmap.DataStride(), clippedSrceRect);
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if (opaqueSource)
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{
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iDrawMode = DirectGdi::EDrawModePEN; // set it back to how it was.
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}
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iDrawDevice->UpdateRegion(clipRect);
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}
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aBitmap.EndDataAccess(ETrue);
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}
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/**
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@see MDirectGdiEngine::BitBltMasked(const TPoint&, const CFbsBitmap&, const TRect&, const CFbsBitmap&, TBool)
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@panic DGDIAdapter 7, if either aMaskBitmap or aBitmap are invalid (debug only).
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*/
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void CSwDirectGdiEngine::BitBltMasked(const TPoint& aDestPos,
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const CFbsBitmap& aBitmap,
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const TRect& aSrcRect,
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const CFbsBitmap& aMaskBitmap,
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TBool aInvertMask)
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{
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if ((aBitmap.ExtendedBitmapType() != KNullUid) || (aMaskBitmap.ExtendedBitmapType() != KNullUid))
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{
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iDriver->SetError(KErrNotSupported); // Not supported for extended bitmaps
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return;
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}
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TRect localSrcRect(aSrcRect);
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const TPoint destPoint(aDestPos + iOrigin + localSrcRect.iTl - aSrcRect.iTl);
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const TRect destRect(destPoint, localSrcRect.Size());
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const TPoint offset(localSrcRect.iTl - destPoint);
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TRect targetRect(destRect);
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aBitmap.BeginDataAccess();
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aMaskBitmap.BeginDataAccess();
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CBitwiseBitmap* srcebmp = static_cast<const CSwDirectGdiBitmap&>(aBitmap).Address();
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CBitwiseBitmap* maskbmp = static_cast<const CSwDirectGdiBitmap&>(aMaskBitmap).Address();
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GRAPHICS_ASSERT_DEBUG(srcebmp,EDirectGdiPanicInvalidBitmap);
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GRAPHICS_ASSERT_DEBUG(maskbmp,EDirectGdiPanicInvalidBitmap);
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const TDisplayMode maskMode = maskbmp->DisplayMode();
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const TInt limit = iDefaultRegionPtr->Count();
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TBool opaqueSource = (!IsAlphaChannel(aBitmap.DisplayMode())) && (iDrawMode == DirectGdi::EDrawModePEN);
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TRect clipRect;
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for (TInt count = 0; count < limit; count++)
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{
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clipRect = (*iDefaultRegionPtr)[count];
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if (!clipRect.Intersects(targetRect))
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{
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continue;
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}
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clipRect.Intersection(targetRect);
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TRect clippedSrceRect(clipRect);
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clippedSrceRect.Move(offset);
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if (opaqueSource)
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{
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iDrawMode = DirectGdi::EDrawModeWriteAlpha; // ie write rather than blend
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}
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DoBitBltMasked(clipRect.iTl, srcebmp, aBitmap.DataAddress(), clippedSrceRect, maskbmp,
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aMaskBitmap.DataAddress(), aInvertMask);
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if (opaqueSource)
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{
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iDrawMode = DirectGdi::EDrawModePEN; // set to default
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}
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iDrawDevice->UpdateRegion(clipRect);
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}
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aBitmap.EndDataAccess(ETrue);
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aMaskBitmap.EndDataAccess(ETrue);
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}
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/**
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@see MDirectGdiEngine::BitBltMasked(const TPoint&, const CFbsBitmap&, const TRect&, const CFbsBitmap&, const TPoint&)
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@panic DGDIAdapter 7, if either aBitmap or aMaskBitmap are invalid.
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@panic DGDIAdapter 1022, if the top-left corner of aSrcRect is out of bounds (debug only).
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*/
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void CSwDirectGdiEngine::BitBltMasked(const TPoint& aDestPt,
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const CFbsBitmap& aBitmap, const TRect& aSrcRect,
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const CFbsBitmap& aMaskBitmap, const TPoint& aAlphaPt)
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{
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if ((aBitmap.ExtendedBitmapType() != KNullUid) || (aMaskBitmap.ExtendedBitmapType() != KNullUid))
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{
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iDriver->SetError(KErrNotSupported); // Not supported for extended bitmaps
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return;
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}
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TRect srcRect(aSrcRect);
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//Calculate the destination rect
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TPoint destPt(aDestPt + iOrigin);
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TRect destRect(destPt, srcRect.Size());
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TPoint offset(srcRect.iTl - destPt);
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TRect targetRect(destRect);
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aBitmap.BeginDataAccess();
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aMaskBitmap.BeginDataAccess();
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CBitwiseBitmap* srcBmp = static_cast<const CSwDirectGdiBitmap&>(aBitmap).Address();
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CBitwiseBitmap* alphaBmp = static_cast<const CSwDirectGdiBitmap&>(aMaskBitmap).Address();
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GRAPHICS_ASSERT_DEBUG(srcBmp, EDirectGdiPanicInvalidBitmap);
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GRAPHICS_ASSERT_DEBUG(alphaBmp, EDirectGdiPanicInvalidBitmap);
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TUint32* srcDataAddr = aBitmap.DataAddress();
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TUint32* alphaDataAddr = aMaskBitmap.DataAddress();
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//For each region - find the clipping rect and draw
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TInt limit = iDefaultRegionPtr->Count ();
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TRect clipRect;
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for (TInt count=0; count<limit;count++)
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{
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clipRect=(*iDefaultRegionPtr)[count];
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if ( !clipRect.Intersects(targetRect))
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{
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continue;
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}
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//targetRect was constructed from destRect. destRect was constructed from srcRect.
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clipRect.Intersection (targetRect);
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TRect clippedSrcRect(clipRect);
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clippedSrcRect.Move(offset);//clippedSrcRect - maps to a part of srcRect now.
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TPoint shift(clippedSrcRect.iTl - srcRect.iTl);
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GRAPHICS_ASSERT_DEBUG(shift.iX >= 0, EDirectGdiPanicNegativeShift);
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GRAPHICS_ASSERT_DEBUG(shift.iY >= 0, EDirectGdiPanicNegativeShift);
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DoBitBltAlpha (clipRect.iTl, srcBmp, srcDataAddr, clippedSrcRect,
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alphaBmp, alphaDataAddr, aAlphaPt + shift, EFalse);
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iDrawDevice->UpdateRegion (clipRect);
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}
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aBitmap.EndDataAccess(ETrue);
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aMaskBitmap.EndDataAccess(ETrue);
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return;
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}
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/**
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Calculates the position into the scanline for the given x coordinate.
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@param aX The given x-coordinate.
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@param aDisplayMode The applied display mode.
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@return The memory offset, or 0 if the mode is not supported.
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@panic DGDIAdapter 1009, if aDisplayMode is not supported (debug only).
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*/
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TUint CSwDirectGdiEngine::MemoryOffsetForPixelPitch(TUint aX, TDisplayMode aDisplayMode) const
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{
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switch (aDisplayMode)
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{
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case EColor16MU:
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case EColor16MAP:
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return aX << 2;
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case EColor64K:
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return aX << 1;
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default:
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GRAPHICS_PANIC_DEBUG(EDirectGdiPanicInvalidDisplayMode);
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}
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return 0;
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}
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TUint32* CSwDirectGdiEngine::GetScanLineOffsetPtr(CBitwiseBitmap* aSrce, TUint32*& aSlptr,
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TInt aLength, TPoint aPixel, TUint32* aBase,
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TLineScanningPosition& aLineScanningPosition, TUint aXOffset)
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{
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aSrce->GetScanLinePtr(aSlptr, aLength, aPixel, aBase, aLineScanningPosition);
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return (TUint32*)((TUint8*)aSlptr + aXOffset);
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}
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/**
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Performs the actual bitblt to the device.
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This function may also be called by DrawBitmap(), and DrawRect() when using a patterned brush,
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so any changes to this function may impact on them also.
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@pre aSrce A bitmap with non-zero dimensions. aSrceRect has been clipped against the target.
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@param aDest The target position on the device which will contain the top left
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corner of the source bitmap.
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@param aSrce The bitmap object that contains the pixels to draw.
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@param aBase The address of the bitmap pixels.
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@param aStride The length in bytes between scanlines in memory.
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@param aSrceRect The area of the bitmap to draw from.
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@panic DGDIAdapter 1013, if aDest is fully outside of the bounds of the target, or aSrceRect.iTl is not
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within the drawing area (debug only).
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*/
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void CSwDirectGdiEngine::DoBitBlt(const TPoint& aDest,
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CBitwiseBitmap* aSrce,
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TUint32* aBase,
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TInt aStride,
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const TRect& aSrceRect)
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{
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// Does multiple bitmap widths for painting rects only
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const TInt width = aSrceRect.Width ();
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#ifdef _DEBUG
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TRect deviceDestRect;
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iDrawDevice->GetDrawRect(deviceDestRect);
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GRAPHICS_ASSERT_DEBUG(aDest.iX >= deviceDestRect.iTl.iX, EDirectGdiPanicOutOfBounds);
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GRAPHICS_ASSERT_DEBUG(aDest.iY >= deviceDestRect.iTl.iY, EDirectGdiPanicOutOfBounds);
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GRAPHICS_ASSERT_DEBUG((aDest.iX + aSrceRect.Width()) <= deviceDestRect.iBr.iX, EDirectGdiPanicOutOfBounds);
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GRAPHICS_ASSERT_DEBUG((aDest.iY + aSrceRect.Height()) <= deviceDestRect.iBr.iY, EDirectGdiPanicOutOfBounds);
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GRAPHICS_ASSERT_DEBUG(aDest.iX >= 0 && aDest.iY >= 0, EDirectGdiPanicOutOfBounds);
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GRAPHICS_ASSERT_DEBUG(aSrceRect.iTl.iX >= 0 && aSrceRect.iTl.iY >= 0, EDirectGdiPanicOutOfBounds);
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#endif
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|
276 |
TSize srcSize = aSrce->SizeInPixels ();
|
|
sl@0
|
277 |
|
|
sl@0
|
278 |
const TPoint KZeroPoint(0,0);
|
|
sl@0
|
279 |
TAny* interface = NULL;
|
|
sl@0
|
280 |
if (iDrawMode == DirectGdi::EDrawModeWriteAlpha &&
|
|
sl@0
|
281 |
aSrceRect.iBr.iX <= srcSize.iWidth &&
|
|
sl@0
|
282 |
aSrceRect.iBr.iY <= srcSize.iHeight &&
|
|
sl@0
|
283 |
!aSrce->IsCompressed() &&
|
|
sl@0
|
284 |
aSrce->DisplayMode() == iDrawDevice->DisplayMode() &&
|
|
sl@0
|
285 |
iDrawDevice->GetInterface(KFastBlit2InterfaceID, interface) == KErrNone)
|
|
sl@0
|
286 |
{
|
|
sl@0
|
287 |
// Conditions in CFbsBitGc allow for optimised blitting.
|
|
sl@0
|
288 |
// The draw device supports the optimised blitting function.
|
|
sl@0
|
289 |
// Operation may fail regardless due to unacceptable conditions in the draw device.
|
|
sl@0
|
290 |
MFastBlit2* fastBlit = reinterpret_cast<MFastBlit2*>(interface);
|
|
sl@0
|
291 |
if (fastBlit && (fastBlit->WriteBitmapBlock(aDest, aBase, aStride, srcSize, aSrceRect) == KErrNone))
|
|
sl@0
|
292 |
{
|
|
sl@0
|
293 |
return;
|
|
sl@0
|
294 |
}
|
|
sl@0
|
295 |
}
|
|
sl@0
|
296 |
|
|
sl@0
|
297 |
MFastBlend* fastBlend=NULL;
|
|
sl@0
|
298 |
if (FastBlendInterface(aSrce,NULL,fastBlend)==KErrNone)
|
|
sl@0
|
299 |
{
|
|
sl@0
|
300 |
if (fastBlend->FastBlendBitmap(aDest, aBase, aStride, srcSize, aSrceRect, aSrce->DisplayMode(), GcDrawMode(iDrawMode), CFbsDrawDevice::ENoShadow)== KErrNone)
|
|
sl@0
|
301 |
{
|
|
sl@0
|
302 |
return;
|
|
sl@0
|
303 |
}
|
|
sl@0
|
304 |
}
|
|
sl@0
|
305 |
|
|
sl@0
|
306 |
const TInt scanLineBytes = iDrawDevice->ScanLineBytes();
|
|
sl@0
|
307 |
TUint32* scanLineBuffer = iDrawDevice->ScanLineBuffer();
|
|
sl@0
|
308 |
TPtr8 scanLineDes((TUint8*)scanLineBuffer, scanLineBytes, scanLineBytes);
|
|
sl@0
|
309 |
|
|
sl@0
|
310 |
const TDisplayMode dispMode = ScanLineBufferDisplayMode(iDrawDevice);
|
|
sl@0
|
311 |
|
|
sl@0
|
312 |
const TBool useScanLinePtr = (dispMode == aSrce->DisplayMode()) &&
|
|
sl@0
|
313 |
(TDisplayModeUtils::NumDisplayModeBitsPerPixel(dispMode) >= 8);
|
|
sl@0
|
314 |
|
|
sl@0
|
315 |
TUint32* slptr = NULL;
|
|
sl@0
|
316 |
TUint offset = 0;
|
|
sl@0
|
317 |
TUint32* lastScanLine = NULL;
|
|
sl@0
|
318 |
if (useScanLinePtr)
|
|
sl@0
|
319 |
{
|
|
sl@0
|
320 |
lastScanLine = aSrce->ScanLineAddress(aBase, aSrceRect.iBr.iY-1);
|
|
sl@0
|
321 |
}
|
|
sl@0
|
322 |
|
|
sl@0
|
323 |
TInt srceWidth = srcSize.iWidth;
|
|
sl@0
|
324 |
TInt partlinestart = aSrceRect.iTl.iX % srceWidth;
|
|
sl@0
|
325 |
|
|
sl@0
|
326 |
if (partlinestart < 0)
|
|
sl@0
|
327 |
{
|
|
sl@0
|
328 |
partlinestart += srceWidth;
|
|
sl@0
|
329 |
}
|
|
sl@0
|
330 |
|
|
sl@0
|
331 |
const TInt partlinelength = Min(srceWidth - partlinestart, width);
|
|
sl@0
|
332 |
TInt destX = aDest.iX;
|
|
sl@0
|
333 |
const TInt destXlimit = destX+width;
|
|
sl@0
|
334 |
const CGraphicsContext::TDrawMode drawMode = GcDrawMode(iDrawMode);
|
|
sl@0
|
335 |
|
|
sl@0
|
336 |
// first part line
|
|
sl@0
|
337 |
if (partlinestart > 0 && partlinelength > 0)
|
|
sl@0
|
338 |
{
|
|
sl@0
|
339 |
TPoint srcecoord1(partlinestart, aSrceRect.iTl.iY);
|
|
sl@0
|
340 |
TInt desty = aDest.iY;
|
|
sl@0
|
341 |
|
|
sl@0
|
342 |
TLineScanningPosition lineScanPos(aBase);
|
|
sl@0
|
343 |
|
|
sl@0
|
344 |
if (useScanLinePtr)
|
|
sl@0
|
345 |
{
|
|
sl@0
|
346 |
offset = MemoryOffsetForPixelPitch(partlinestart, dispMode);
|
|
sl@0
|
347 |
if (aSrce->IsCompressed ())
|
|
sl@0
|
348 |
{
|
|
sl@0
|
349 |
|
|
sl@0
|
350 |
while (srcecoord1.iY < aSrceRect.iBr.iY)
|
|
sl@0
|
351 |
{
|
|
sl@0
|
352 |
scanLineBuffer = GetScanLineOffsetPtr (aSrce, slptr,
|
|
sl@0
|
353 |
partlinelength, srcecoord1, aBase, lineScanPos, offset);
|
|
sl@0
|
354 |
if (srcecoord1.iY == aSrceRect.iTl.iY)
|
|
sl@0
|
355 |
{
|
|
sl@0
|
356 |
aSrce->SetCompressionBookmark(lineScanPos, aBase, NULL);
|
|
sl@0
|
357 |
}
|
|
sl@0
|
358 |
iDrawDevice->WriteLine(aDest.iX, desty, partlinelength,
|
|
sl@0
|
359 |
scanLineBuffer, drawMode);
|
|
sl@0
|
360 |
srcecoord1.iY++;
|
|
sl@0
|
361 |
desty++;
|
|
sl@0
|
362 |
}
|
|
sl@0
|
363 |
}
|
|
sl@0
|
364 |
else
|
|
sl@0
|
365 |
{
|
|
sl@0
|
366 |
while (srcecoord1.iY < aSrceRect.iBr.iY)
|
|
sl@0
|
367 |
{
|
|
sl@0
|
368 |
scanLineBuffer = GetScanLineOffsetPtr (aSrce, slptr,
|
|
sl@0
|
369 |
partlinelength, srcecoord1, aBase, lineScanPos,
|
|
sl@0
|
370 |
offset);
|
|
sl@0
|
371 |
do
|
|
sl@0
|
372 |
{
|
|
sl@0
|
373 |
iDrawDevice->WriteLine (aDest.iX, desty,
|
|
sl@0
|
374 |
partlinelength, scanLineBuffer, drawMode);
|
|
sl@0
|
375 |
scanLineBuffer = (TUint32*)((TUint8*)scanLineBuffer + aStride);
|
|
sl@0
|
376 |
srcecoord1.iY++;
|
|
sl@0
|
377 |
desty++;
|
|
sl@0
|
378 |
}
|
|
sl@0
|
379 |
while ((srcecoord1.iY < aSrceRect.iBr.iY) && (scanLineBuffer < lastScanLine)) ;
|
|
sl@0
|
380 |
}
|
|
sl@0
|
381 |
}
|
|
sl@0
|
382 |
}
|
|
sl@0
|
383 |
else
|
|
sl@0
|
384 |
{
|
|
sl@0
|
385 |
for ( ; srcecoord1.iY < aSrceRect.iBr.iY; srcecoord1.iY++, desty++)
|
|
sl@0
|
386 |
{
|
|
sl@0
|
387 |
aSrce->GetScanLine (scanLineDes, srcecoord1, partlinelength,
|
|
sl@0
|
388 |
EFalse, KZeroPoint, dispMode, aBase, lineScanPos);
|
|
sl@0
|
389 |
if ( srcecoord1.iY==aSrceRect.iTl.iY)
|
|
sl@0
|
390 |
{
|
|
sl@0
|
391 |
aSrce->SetCompressionBookmark (lineScanPos, aBase, NULL);
|
|
sl@0
|
392 |
}
|
|
sl@0
|
393 |
iDrawDevice->WriteLine (aDest.iX, desty, partlinelength,
|
|
sl@0
|
394 |
scanLineBuffer, drawMode);
|
|
sl@0
|
395 |
}
|
|
sl@0
|
396 |
}
|
|
sl@0
|
397 |
|
|
sl@0
|
398 |
destX += partlinelength;
|
|
sl@0
|
399 |
}
|
|
sl@0
|
400 |
|
|
sl@0
|
401 |
// multiple complete lines - columns
|
|
sl@0
|
402 |
TInt numcolumns = (destXlimit - destX) / srceWidth;
|
|
sl@0
|
403 |
|
|
sl@0
|
404 |
if (numcolumns > 0)
|
|
sl@0
|
405 |
{
|
|
sl@0
|
406 |
TPoint srcecoord2(0, aSrceRect.iTl.iY);
|
|
sl@0
|
407 |
TInt desty = aDest.iY;
|
|
sl@0
|
408 |
|
|
sl@0
|
409 |
TLineScanningPosition lineScanPos(aBase);
|
|
sl@0
|
410 |
|
|
sl@0
|
411 |
if (useScanLinePtr)
|
|
sl@0
|
412 |
{
|
|
sl@0
|
413 |
if (aSrce->IsCompressed())
|
|
sl@0
|
414 |
{
|
|
sl@0
|
415 |
while (srcecoord2.iY < aSrceRect.iBr.iY)
|
|
sl@0
|
416 |
{
|
|
sl@0
|
417 |
TPoint coord(srcecoord2);
|
|
sl@0
|
418 |
aSrce->GetScanLinePtr (slptr, srceWidth, coord, aBase, lineScanPos);
|
|
sl@0
|
419 |
if (srcecoord2.iY == aSrceRect.iTl.iY)
|
|
sl@0
|
420 |
{
|
|
sl@0
|
421 |
aSrce->SetCompressionBookmark(lineScanPos, aBase, NULL);
|
|
sl@0
|
422 |
}
|
|
sl@0
|
423 |
TInt tempdestX = destX;
|
|
sl@0
|
424 |
for (TInt count = 0; count < numcolumns; count++, tempdestX += srceWidth)
|
|
sl@0
|
425 |
{
|
|
sl@0
|
426 |
iDrawDevice->WriteLine(tempdestX, desty, srceWidth, slptr, drawMode);
|
|
sl@0
|
427 |
}
|
|
sl@0
|
428 |
srcecoord2.iY++;
|
|
sl@0
|
429 |
desty++;
|
|
sl@0
|
430 |
}
|
|
sl@0
|
431 |
}
|
|
sl@0
|
432 |
else
|
|
sl@0
|
433 |
{
|
|
sl@0
|
434 |
while (srcecoord2.iY < aSrceRect.iBr.iY)
|
|
sl@0
|
435 |
{
|
|
sl@0
|
436 |
TPoint coord(srcecoord2);
|
|
sl@0
|
437 |
aSrce->GetScanLinePtr (slptr, srceWidth, coord, aBase, lineScanPos);
|
|
sl@0
|
438 |
do
|
|
sl@0
|
439 |
{
|
|
sl@0
|
440 |
TInt tempdestX = destX;
|
|
sl@0
|
441 |
for (TInt count = 0; count < numcolumns; count++, tempdestX += srceWidth)
|
|
sl@0
|
442 |
{
|
|
sl@0
|
443 |
iDrawDevice->WriteLine (tempdestX, desty, srceWidth, slptr, drawMode);
|
|
sl@0
|
444 |
}
|
|
sl@0
|
445 |
slptr = (TUint32*)((TUint8*)slptr + aStride);
|
|
sl@0
|
446 |
srcecoord2.iY++;
|
|
sl@0
|
447 |
desty++;
|
|
sl@0
|
448 |
}
|
|
sl@0
|
449 |
while ((srcecoord2.iY < aSrceRect.iBr.iY) && (slptr < lastScanLine));
|
|
sl@0
|
450 |
}
|
|
sl@0
|
451 |
}
|
|
sl@0
|
452 |
}
|
|
sl@0
|
453 |
else
|
|
sl@0
|
454 |
{
|
|
sl@0
|
455 |
for (; srcecoord2.iY < aSrceRect.iBr.iY; srcecoord2.iY++, desty++)
|
|
sl@0
|
456 |
{
|
|
sl@0
|
457 |
TInt tempdestX = destX;
|
|
sl@0
|
458 |
TPoint coord(srcecoord2);
|
|
sl@0
|
459 |
aSrce->GetScanLinePtr (slptr, srceWidth, coord, aBase, lineScanPos);
|
|
sl@0
|
460 |
if (srcecoord2.iY == aSrceRect.iTl.iY)
|
|
sl@0
|
461 |
{
|
|
sl@0
|
462 |
aSrce->SetCompressionBookmark (lineScanPos, aBase, NULL);
|
|
sl@0
|
463 |
}
|
|
sl@0
|
464 |
for (TInt count = 0; count < numcolumns; count++, tempdestX += srceWidth)
|
|
sl@0
|
465 |
{
|
|
sl@0
|
466 |
aSrce->GetScanLine(slptr, scanLineDes, coord, srceWidth,
|
|
sl@0
|
467 |
EFalse, KZeroPoint, dispMode);
|
|
sl@0
|
468 |
iDrawDevice->WriteLine(tempdestX, desty, srceWidth, scanLineBuffer, drawMode);
|
|
sl@0
|
469 |
}
|
|
sl@0
|
470 |
}
|
|
sl@0
|
471 |
}
|
|
sl@0
|
472 |
|
|
sl@0
|
473 |
destX += numcolumns * srceWidth;
|
|
sl@0
|
474 |
}
|
|
sl@0
|
475 |
|
|
sl@0
|
476 |
// final part line
|
|
sl@0
|
477 |
if (destX < destXlimit)
|
|
sl@0
|
478 |
{
|
|
sl@0
|
479 |
const TInt restofline = destXlimit - destX;
|
|
sl@0
|
480 |
TPoint srcecoord3(0, aSrceRect.iTl.iY);
|
|
sl@0
|
481 |
TInt desty = aDest.iY;
|
|
sl@0
|
482 |
|
|
sl@0
|
483 |
TLineScanningPosition lineScanPos(aBase);
|
|
sl@0
|
484 |
|
|
sl@0
|
485 |
if (useScanLinePtr)
|
|
sl@0
|
486 |
{
|
|
sl@0
|
487 |
offset = 0;
|
|
sl@0
|
488 |
if (aSrce->IsCompressed())
|
|
sl@0
|
489 |
{
|
|
sl@0
|
490 |
while (srcecoord3.iY < aSrceRect.iBr.iY)
|
|
sl@0
|
491 |
{
|
|
sl@0
|
492 |
scanLineBuffer = GetScanLineOffsetPtr (aSrce, slptr,
|
|
sl@0
|
493 |
srceWidth, srcecoord3, aBase, lineScanPos, offset);
|
|
sl@0
|
494 |
if (srcecoord3.iY == aSrceRect.iTl.iY)
|
|
sl@0
|
495 |
{
|
|
sl@0
|
496 |
aSrce->SetCompressionBookmark (lineScanPos, aBase, NULL);
|
|
sl@0
|
497 |
}
|
|
sl@0
|
498 |
iDrawDevice->WriteLine(destX, desty, restofline, scanLineBuffer, drawMode);
|
|
sl@0
|
499 |
srcecoord3.iY++;
|
|
sl@0
|
500 |
desty++;
|
|
sl@0
|
501 |
}
|
|
sl@0
|
502 |
}
|
|
sl@0
|
503 |
else
|
|
sl@0
|
504 |
{
|
|
sl@0
|
505 |
while (srcecoord3.iY < aSrceRect.iBr.iY)
|
|
sl@0
|
506 |
{
|
|
sl@0
|
507 |
scanLineBuffer = GetScanLineOffsetPtr (aSrce, slptr,
|
|
sl@0
|
508 |
srceWidth, srcecoord3, aBase, lineScanPos, offset);
|
|
sl@0
|
509 |
do
|
|
sl@0
|
510 |
{
|
|
sl@0
|
511 |
iDrawDevice->WriteLine(destX, desty, restofline, scanLineBuffer, drawMode);
|
|
sl@0
|
512 |
scanLineBuffer = (TUint32*)((TUint8*)scanLineBuffer + aStride);
|
|
sl@0
|
513 |
srcecoord3.iY++;
|
|
sl@0
|
514 |
desty++;
|
|
sl@0
|
515 |
}
|
|
sl@0
|
516 |
while ((srcecoord3.iY < aSrceRect.iBr.iY) && (scanLineBuffer < lastScanLine));
|
|
sl@0
|
517 |
}
|
|
sl@0
|
518 |
}
|
|
sl@0
|
519 |
}
|
|
sl@0
|
520 |
else
|
|
sl@0
|
521 |
{
|
|
sl@0
|
522 |
for (; srcecoord3.iY < aSrceRect.iBr.iY; srcecoord3.iY++, desty++)
|
|
sl@0
|
523 |
{
|
|
sl@0
|
524 |
aSrce->GetScanLine (scanLineDes, srcecoord3, srceWidth, EFalse,
|
|
sl@0
|
525 |
KZeroPoint, dispMode, aBase, lineScanPos);
|
|
sl@0
|
526 |
if (srcecoord3.iY == aSrceRect.iTl.iY)
|
|
sl@0
|
527 |
{
|
|
sl@0
|
528 |
aSrce->SetCompressionBookmark (lineScanPos, aBase, NULL);
|
|
sl@0
|
529 |
}
|
|
sl@0
|
530 |
iDrawDevice->WriteLine(destX, desty, restofline, scanLineBuffer, drawMode);
|
|
sl@0
|
531 |
}
|
|
sl@0
|
532 |
}
|
|
sl@0
|
533 |
}
|
|
sl@0
|
534 |
}
|
|
sl@0
|
535 |
/**
|
|
sl@0
|
536 |
Performs the masked bitblt to the device.
|
|
sl@0
|
537 |
|
|
sl@0
|
538 |
@param aDest The target position on the device which will contain the top left
|
|
sl@0
|
539 |
corner of the source bitmap.
|
|
sl@0
|
540 |
@param aSourceBitmap The bitmap object that contains the pixels to draw.
|
|
sl@0
|
541 |
@param aSourceBase The address of the source bitmap pixels.
|
|
sl@0
|
542 |
@param aSourceRect The area of the bitmap to draw from.
|
|
sl@0
|
543 |
@param aMaskBitmap The bitmap object that contains the mask.
|
|
sl@0
|
544 |
@param aMaskBase The address of the mask pixels.
|
|
sl@0
|
545 |
@param aInvertMask Inverts the mask if ETrue.
|
|
sl@0
|
546 |
@panic DGDIAdapter 1013, if aDest is outside of the device bounds (debug only).
|
|
sl@0
|
547 |
*/
|
|
sl@0
|
548 |
void CSwDirectGdiEngine::DoBitBltMasked(const TPoint& aDest,
|
|
sl@0
|
549 |
CBitwiseBitmap* aSourceBitmap,
|
|
sl@0
|
550 |
TUint32* aSourceBase,
|
|
sl@0
|
551 |
const TRect& aSourceRect,
|
|
sl@0
|
552 |
CBitwiseBitmap* aMaskBitmap,
|
|
sl@0
|
553 |
TUint32* aMaskBase,
|
|
sl@0
|
554 |
TBool aInvertMask)
|
|
sl@0
|
555 |
{
|
|
sl@0
|
556 |
#ifdef _DEBUG
|
|
sl@0
|
557 |
TRect deviceDestRect;
|
|
sl@0
|
558 |
iDrawDevice->GetDrawRect (deviceDestRect);
|
|
sl@0
|
559 |
#endif
|
|
sl@0
|
560 |
|
|
sl@0
|
561 |
GRAPHICS_ASSERT_DEBUG (aDest.iX >= deviceDestRect.iTl.iX, EDirectGdiPanicOutOfBounds);
|
|
sl@0
|
562 |
GRAPHICS_ASSERT_DEBUG (aDest.iY >= deviceDestRect.iTl.iY, EDirectGdiPanicOutOfBounds);
|
|
sl@0
|
563 |
GRAPHICS_ASSERT_DEBUG ((aDest.iX + aSourceRect.Width()) <= deviceDestRect.iBr.iX, EDirectGdiPanicOutOfBounds);
|
|
sl@0
|
564 |
GRAPHICS_ASSERT_DEBUG ((aDest.iY + aSourceRect.Height()) <= deviceDestRect.iBr.iY, EDirectGdiPanicOutOfBounds);
|
|
sl@0
|
565 |
const TPoint KZeroPoint(0,0);
|
|
sl@0
|
566 |
|
|
sl@0
|
567 |
MFastBlend* fastBlend=NULL;
|
|
sl@0
|
568 |
if (FastBlendInterface(aSourceBitmap,aMaskBitmap,fastBlend)==KErrNone)
|
|
sl@0
|
569 |
{
|
|
sl@0
|
570 |
if (fastBlend->FastBlendBitmapMasked(aDest, aSourceBase, aSourceBitmap->DataStride(), aSourceBitmap->SizeInPixels(), aSourceRect, aSourceBitmap->DisplayMode(),
|
|
sl@0
|
571 |
aMaskBase, aMaskBitmap->DataStride(), aMaskBitmap->DisplayMode(), aMaskBitmap->SizeInPixels(), aSourceRect.iTl, aInvertMask,
|
|
sl@0
|
572 |
GcDrawMode(iDrawMode), CFbsDrawDevice::ENoShadow)==KErrNone)
|
|
sl@0
|
573 |
{
|
|
sl@0
|
574 |
return;
|
|
sl@0
|
575 |
}
|
|
sl@0
|
576 |
}
|
|
sl@0
|
577 |
|
|
sl@0
|
578 |
if (aMaskBitmap->DisplayMode() == EGray256)
|
|
sl@0
|
579 |
{
|
|
sl@0
|
580 |
DoBitBltAlpha (aDest, aSourceBitmap, aSourceBase, aSourceRect,
|
|
sl@0
|
581 |
aMaskBitmap, aMaskBase, aSourceRect.iTl, EFalse);
|
|
sl@0
|
582 |
}
|
|
sl@0
|
583 |
// if screen driver is 16MAP we avoid logical operator pen modes by using DoBitBltAlpha() for blitting
|
|
sl@0
|
584 |
else if(iDrawDevice->ScanLineDisplayMode() == EColor16MAP)
|
|
sl@0
|
585 |
{
|
|
sl@0
|
586 |
DoBitBltAlpha (aDest, aSourceBitmap, aSourceBase, aSourceRect,
|
|
sl@0
|
587 |
aMaskBitmap, aMaskBase, aSourceRect.iTl, aInvertMask);
|
|
sl@0
|
588 |
}
|
|
sl@0
|
589 |
else if (aSourceBitmap == aMaskBitmap)
|
|
sl@0
|
590 |
{
|
|
sl@0
|
591 |
const TInt width = aSourceRect.Width();
|
|
sl@0
|
592 |
const TDisplayMode dispMode = ScanLineBufferDisplayMode(iDrawDevice);
|
|
sl@0
|
593 |
const CGraphicsContext::TDrawMode drawMode = aInvertMask ? CGraphicsContext::EDrawModeAND : CGraphicsContext::EDrawModeOR;
|
|
sl@0
|
594 |
TPoint srcePoint(aSourceRect.iTl);
|
|
sl@0
|
595 |
TInt destY = aDest.iY;
|
|
sl@0
|
596 |
|
|
sl@0
|
597 |
TLineScanningPosition lineScanPos(aSourceBase);
|
|
sl@0
|
598 |
|
|
sl@0
|
599 |
const TBool useScanLinePtr = (dispMode == aSourceBitmap->DisplayMode() &&
|
|
sl@0
|
600 |
(TDisplayModeUtils::NumDisplayModeBitsPerPixel(dispMode)>=8));
|
|
sl@0
|
601 |
|
|
sl@0
|
602 |
if (useScanLinePtr)
|
|
sl@0
|
603 |
{
|
|
sl@0
|
604 |
TUint32* scanLineBuffer = NULL;
|
|
sl@0
|
605 |
TUint32* slptr = NULL;
|
|
sl@0
|
606 |
TUint offset = MemoryOffsetForPixelPitch (srcePoint.iX, dispMode);
|
|
sl@0
|
607 |
|
|
sl@0
|
608 |
if (aSourceBitmap->IsCompressed())
|
|
sl@0
|
609 |
{
|
|
sl@0
|
610 |
for ( ; srcePoint.iY < aSourceRect.iBr.iY; destY++,
|
|
sl@0
|
611 |
srcePoint.iY++)
|
|
sl@0
|
612 |
{
|
|
sl@0
|
613 |
scanLineBuffer = GetScanLineOffsetPtr (
|
|
sl@0
|
614 |
aSourceBitmap, slptr, width, srcePoint,
|
|
sl@0
|
615 |
aSourceBase, lineScanPos, offset);
|
|
sl@0
|
616 |
|
|
sl@0
|
617 |
iDrawDevice->WriteLine (aDest.iX, destY, width,
|
|
sl@0
|
618 |
scanLineBuffer, drawMode);
|
|
sl@0
|
619 |
}
|
|
sl@0
|
620 |
}
|
|
sl@0
|
621 |
else
|
|
sl@0
|
622 |
{
|
|
sl@0
|
623 |
TUint stride = aSourceBitmap->DataStride ();
|
|
sl@0
|
624 |
TUint32* lastScanLine = aSourceBitmap->ScanLineAddress(aSourceBase, aSourceRect.iBr.iY-1);
|
|
sl@0
|
625 |
|
|
sl@0
|
626 |
while (srcePoint.iY < aSourceRect.iBr.iY)
|
|
sl@0
|
627 |
{
|
|
sl@0
|
628 |
scanLineBuffer = GetScanLineOffsetPtr(aSourceBitmap, slptr, width, srcePoint,
|
|
sl@0
|
629 |
aSourceBase, lineScanPos, offset);
|
|
sl@0
|
630 |
do
|
|
sl@0
|
631 |
{
|
|
sl@0
|
632 |
iDrawDevice->WriteLine (aDest.iX, destY, width, scanLineBuffer, drawMode);
|
|
sl@0
|
633 |
scanLineBuffer = (TUint32*)((TUint8*)scanLineBuffer + stride);
|
|
sl@0
|
634 |
destY++;
|
|
sl@0
|
635 |
srcePoint.iY++;
|
|
sl@0
|
636 |
}
|
|
sl@0
|
637 |
while ((srcePoint.iY < aSourceRect.iBr.iY) && (scanLineBuffer < lastScanLine));
|
|
sl@0
|
638 |
}
|
|
sl@0
|
639 |
}
|
|
sl@0
|
640 |
}
|
|
sl@0
|
641 |
else
|
|
sl@0
|
642 |
{
|
|
sl@0
|
643 |
const TInt scanLineBytes = iDrawDevice->ScanLineBytes();
|
|
sl@0
|
644 |
TUint32* scanLineBuffer = iDrawDevice->ScanLineBuffer();
|
|
sl@0
|
645 |
TPtr8 scanLineDes((TUint8*)scanLineBuffer, scanLineBytes,
|
|
sl@0
|
646 |
scanLineBytes);
|
|
sl@0
|
647 |
for (; srcePoint.iY < aSourceRect.iBr.iY; destY++,
|
|
sl@0
|
648 |
srcePoint.iY++)
|
|
sl@0
|
649 |
{
|
|
sl@0
|
650 |
aSourceBitmap->GetScanLine (scanLineDes, srcePoint,
|
|
sl@0
|
651 |
width, EFalse, KZeroPoint, dispMode,
|
|
sl@0
|
652 |
aSourceBase, lineScanPos);
|
|
sl@0
|
653 |
|
|
sl@0
|
654 |
iDrawDevice->WriteLine (aDest.iX, destY, width,
|
|
sl@0
|
655 |
scanLineBuffer, drawMode);
|
|
sl@0
|
656 |
}
|
|
sl@0
|
657 |
}
|
|
sl@0
|
658 |
}
|
|
sl@0
|
659 |
else
|
|
sl@0
|
660 |
{
|
|
sl@0
|
661 |
DoBitBltMaskedFlicker(aDest, aSourceBitmap, aSourceBase,
|
|
sl@0
|
662 |
aSourceRect, aMaskBitmap, aMaskBase, aInvertMask);
|
|
sl@0
|
663 |
}
|
|
sl@0
|
664 |
}
|
|
sl@0
|
665 |
|
|
sl@0
|
666 |
/**
|
|
sl@0
|
667 |
@see DoBitBltMasked()
|
|
sl@0
|
668 |
*/
|
|
sl@0
|
669 |
void CSwDirectGdiEngine::DoBitBltMaskedFlicker(const TPoint& aDest,
|
|
sl@0
|
670 |
CBitwiseBitmap* aSourceBitmap,
|
|
sl@0
|
671 |
TUint32* aSourceBase,
|
|
sl@0
|
672 |
const TRect& aSourceRect,
|
|
sl@0
|
673 |
CBitwiseBitmap* aMaskBitmap,
|
|
sl@0
|
674 |
TUint32* aMaskBase,
|
|
sl@0
|
675 |
TBool aInvertMask)
|
|
sl@0
|
676 |
{
|
|
sl@0
|
677 |
const TInt width = aSourceRect.Width();
|
|
sl@0
|
678 |
TInt destY = aDest.iY;
|
|
sl@0
|
679 |
TPoint srcePoint(aSourceRect.iTl);
|
|
sl@0
|
680 |
|
|
sl@0
|
681 |
TLineScanningPosition lineScanPos(aSourceBase);
|
|
sl@0
|
682 |
TLineScanningPosition lineScanPosMask(aMaskBase);
|
|
sl@0
|
683 |
|
|
sl@0
|
684 |
const TDisplayMode srcFormat = aSourceBitmap->DisplayMode();
|
|
sl@0
|
685 |
const TDisplayMode maskFormat = aMaskBitmap->DisplayMode();
|
|
sl@0
|
686 |
|
|
sl@0
|
687 |
if (aMaskBitmap->IsCompressed())
|
|
sl@0
|
688 |
{
|
|
sl@0
|
689 |
HBufC8* hBuf = CFbsBitmap::GetDecompressionBuffer(aMaskBitmap->DataStride() + 4);
|
|
sl@0
|
690 |
if (!hBuf)
|
|
sl@0
|
691 |
{
|
|
sl@0
|
692 |
iDriver->SetError(KErrNoMemory);
|
|
sl@0
|
693 |
return; // Out of memory so do not draw anything
|
|
sl@0
|
694 |
}
|
|
sl@0
|
695 |
lineScanPosMask.iScanLineBuffer = hBuf;
|
|
sl@0
|
696 |
}
|
|
sl@0
|
697 |
|
|
sl@0
|
698 |
TAny* interface = NULL;
|
|
sl@0
|
699 |
if ( (srcFormat == EColor16MU || srcFormat == EColor64K ) &&
|
|
sl@0
|
700 |
maskFormat == EGray2 &&
|
|
sl@0
|
701 |
aSourceBitmap->SizeInPixels().iWidth <= aMaskBitmap->SizeInPixels().iWidth &&
|
|
sl@0
|
702 |
aSourceBitmap->SizeInPixels().iHeight <= aMaskBitmap->SizeInPixels().iHeight &&
|
|
sl@0
|
703 |
iDrawDevice->GetInterface(KFastBlitInterfaceID, interface) == KErrNone )
|
|
sl@0
|
704 |
{
|
|
sl@0
|
705 |
// Parameters allow optimised code path
|
|
sl@0
|
706 |
TInt length = width;
|
|
sl@0
|
707 |
TUint32* srcPtr=NULL;
|
|
sl@0
|
708 |
TUint32* maskPtr=NULL;
|
|
sl@0
|
709 |
MFastBlit* fastBlit = reinterpret_cast<MFastBlit*>(interface);
|
|
sl@0
|
710 |
while (srcePoint.iY < aSourceRect.iBr.iY)
|
|
sl@0
|
711 |
{
|
|
sl@0
|
712 |
aSourceBitmap->GetScanLinePtr(srcPtr, length, srcePoint, aSourceBase, lineScanPos);
|
|
sl@0
|
713 |
aMaskBitmap->GetScanLinePtr(maskPtr, length, srcePoint, aMaskBase, lineScanPosMask);
|
|
sl@0
|
714 |
|
|
sl@0
|
715 |
fastBlit->WriteMaskLineEx(aDest.iX,destY,length,srcePoint.iX,srcPtr,srcFormat,srcePoint.iX,maskPtr,aInvertMask);
|
|
sl@0
|
716 |
|
|
sl@0
|
717 |
destY++;
|
|
sl@0
|
718 |
++srcePoint.iY;
|
|
sl@0
|
719 |
}
|
|
sl@0
|
720 |
return;
|
|
sl@0
|
721 |
}
|
|
sl@0
|
722 |
|
|
sl@0
|
723 |
const TDisplayMode dispMode = ScanLineBufferDisplayMode(iDrawDevice);
|
|
sl@0
|
724 |
const CGraphicsContext::TDrawMode drawMode = aInvertMask ? CGraphicsContext::EDrawModeAND : CGraphicsContext::EDrawModeANDNOT;
|
|
sl@0
|
725 |
|
|
sl@0
|
726 |
TUint32* scanLineBuffer = iDrawDevice->ScanLineBuffer();
|
|
sl@0
|
727 |
const TInt scanLineBytes = iDrawDevice->ScanLineBytes();
|
|
sl@0
|
728 |
TPtr8 scanLineDes((TUint8*)scanLineBuffer,scanLineBytes,scanLineBytes);
|
|
sl@0
|
729 |
TLineScanningPosition lineScanPos2(aSourceBase);
|
|
sl@0
|
730 |
const TPoint KZeroPoint(0,0);
|
|
sl@0
|
731 |
|
|
sl@0
|
732 |
//scanline modifications required if using different modes, bits per pixel less than 8
|
|
sl@0
|
733 |
if ( (dispMode == aSourceBitmap->DisplayMode()) &&
|
|
sl@0
|
734 |
(TDisplayModeUtils::NumDisplayModeBitsPerPixel(dispMode)>=8))
|
|
sl@0
|
735 |
{
|
|
sl@0
|
736 |
TUint offset = MemoryOffsetForPixelPitch(srcePoint.iX, dispMode);
|
|
sl@0
|
737 |
TUint32* slptr=NULL;
|
|
sl@0
|
738 |
//mask scanline modifications required for EInvertPen, different screen modes
|
|
sl@0
|
739 |
if ((drawMode != CGraphicsContext::EDrawModeANDNOT) && (dispMode == aMaskBitmap->DisplayMode()))
|
|
sl@0
|
740 |
{
|
|
sl@0
|
741 |
TUint32* scanLineBufferMask = NULL;
|
|
sl@0
|
742 |
//stride jumping not possible with compressed bitmaps
|
|
sl@0
|
743 |
if (aSourceBitmap->IsCompressed() || aMaskBitmap->IsCompressed())
|
|
sl@0
|
744 |
{
|
|
sl@0
|
745 |
for (; srcePoint.iY < aSourceRect.iBr.iY; destY++,srcePoint.iY++)
|
|
sl@0
|
746 |
{
|
|
sl@0
|
747 |
scanLineBuffer = GetScanLineOffsetPtr(aSourceBitmap, slptr, width, srcePoint, aSourceBase, lineScanPos, offset);
|
|
sl@0
|
748 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer, CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
749 |
scanLineBufferMask = GetScanLineOffsetPtr(aMaskBitmap, slptr, width, srcePoint, aMaskBase, lineScanPosMask, offset);
|
|
sl@0
|
750 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBufferMask,drawMode);
|
|
sl@0
|
751 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer, CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
752 |
}
|
|
sl@0
|
753 |
}
|
|
sl@0
|
754 |
else
|
|
sl@0
|
755 |
{
|
|
sl@0
|
756 |
TUint strideSrc = aSourceBitmap->DataStride();
|
|
sl@0
|
757 |
TUint strideMask = aMaskBitmap->DataStride();
|
|
sl@0
|
758 |
TUint32* lastScanLineSrc = aSourceBitmap->ScanLineAddress(aSourceBase,aSourceRect.iBr.iY-1);
|
|
sl@0
|
759 |
TUint32* lastScanLineMask = aMaskBitmap->ScanLineAddress(aMaskBase,aSourceRect.iBr.iY-1);
|
|
sl@0
|
760 |
|
|
sl@0
|
761 |
while (srcePoint.iY < aSourceRect.iBr.iY)
|
|
sl@0
|
762 |
{
|
|
sl@0
|
763 |
scanLineBuffer = GetScanLineOffsetPtr(aSourceBitmap, slptr, width, srcePoint, aSourceBase, lineScanPos, offset);
|
|
sl@0
|
764 |
scanLineBufferMask = GetScanLineOffsetPtr(aMaskBitmap, slptr, width, srcePoint, aMaskBase, lineScanPosMask, offset);
|
|
sl@0
|
765 |
do
|
|
sl@0
|
766 |
{
|
|
sl@0
|
767 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
768 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBufferMask,drawMode);
|
|
sl@0
|
769 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
770 |
destY++;
|
|
sl@0
|
771 |
srcePoint.iY++;
|
|
sl@0
|
772 |
}
|
|
sl@0
|
773 |
while ((srcePoint.iY < aSourceRect.iBr.iY) &&
|
|
sl@0
|
774 |
(scanLineBuffer < lastScanLineSrc) &&
|
|
sl@0
|
775 |
(scanLineBufferMask < lastScanLineMask) &&
|
|
sl@0
|
776 |
((scanLineBuffer = (TUint32*)((TUint8*)scanLineBuffer + strideSrc))>(TUint32*)0) &&
|
|
sl@0
|
777 |
((scanLineBufferMask = (TUint32*)((TUint8*)scanLineBufferMask + strideMask))>(TUint32*)0) );
|
|
sl@0
|
778 |
}
|
|
sl@0
|
779 |
}
|
|
sl@0
|
780 |
}
|
|
sl@0
|
781 |
else
|
|
sl@0
|
782 |
{
|
|
sl@0
|
783 |
TUint32* scanLineBufferPtr = NULL;
|
|
sl@0
|
784 |
//stride jumping not possible with compressed bitmaps
|
|
sl@0
|
785 |
if (aSourceBitmap->IsCompressed())
|
|
sl@0
|
786 |
{
|
|
sl@0
|
787 |
for (; srcePoint.iY < aSourceRect.iBr.iY; destY++,srcePoint.iY++)
|
|
sl@0
|
788 |
{
|
|
sl@0
|
789 |
scanLineBufferPtr = GetScanLineOffsetPtr(aSourceBitmap, slptr, width, srcePoint, aSourceBase, lineScanPos, offset);
|
|
sl@0
|
790 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBufferPtr,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
791 |
aMaskBitmap->GetScanLine(scanLineDes,srcePoint,width,EFalse , KZeroPoint, dispMode, aMaskBase, lineScanPosMask);
|
|
sl@0
|
792 |
TileScanLine(scanLineDes, width, srcePoint, aMaskBitmap, lineScanPosMask, aMaskBase, dispMode);
|
|
sl@0
|
793 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer,drawMode);
|
|
sl@0
|
794 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBufferPtr,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
795 |
}
|
|
sl@0
|
796 |
}
|
|
sl@0
|
797 |
else
|
|
sl@0
|
798 |
{
|
|
sl@0
|
799 |
TUint stride = aSourceBitmap->DataStride();
|
|
sl@0
|
800 |
TUint32* lastScanLine = aSourceBitmap->ScanLineAddress(aSourceBase,aSourceRect.iBr.iY-1);
|
|
sl@0
|
801 |
while (srcePoint.iY < aSourceRect.iBr.iY)
|
|
sl@0
|
802 |
{
|
|
sl@0
|
803 |
scanLineBufferPtr = GetScanLineOffsetPtr(aSourceBitmap, slptr, width, srcePoint, aSourceBase, lineScanPos, offset);
|
|
sl@0
|
804 |
do
|
|
sl@0
|
805 |
{
|
|
sl@0
|
806 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBufferPtr,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
807 |
aMaskBitmap->GetScanLine(scanLineDes,srcePoint,width,EFalse, KZeroPoint, dispMode,aMaskBase, lineScanPosMask);
|
|
sl@0
|
808 |
TileScanLine(scanLineDes, width, srcePoint, aMaskBitmap, lineScanPosMask, aMaskBase, dispMode);
|
|
sl@0
|
809 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer,drawMode);
|
|
sl@0
|
810 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBufferPtr,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
811 |
destY++;
|
|
sl@0
|
812 |
srcePoint.iY++;
|
|
sl@0
|
813 |
}
|
|
sl@0
|
814 |
while ((srcePoint.iY < aSourceRect.iBr.iY) && (scanLineBufferPtr < lastScanLine) &&
|
|
sl@0
|
815 |
((scanLineBufferPtr = (TUint32*)((TUint8*)scanLineBufferPtr + stride))>(TUint32*)0));
|
|
sl@0
|
816 |
}
|
|
sl@0
|
817 |
}
|
|
sl@0
|
818 |
}
|
|
sl@0
|
819 |
}
|
|
sl@0
|
820 |
else
|
|
sl@0
|
821 |
{
|
|
sl@0
|
822 |
for (; srcePoint.iY < aSourceRect.iBr.iY; destY++,srcePoint.iY++)
|
|
sl@0
|
823 |
{
|
|
sl@0
|
824 |
aSourceBitmap->GetScanLine(scanLineDes,srcePoint,width,EFalse, KZeroPoint,
|
|
sl@0
|
825 |
dispMode,aSourceBase,lineScanPos);
|
|
sl@0
|
826 |
|
|
sl@0
|
827 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
828 |
aMaskBitmap->GetScanLine(scanLineDes,srcePoint,width,EFalse , KZeroPoint, dispMode,
|
|
sl@0
|
829 |
aMaskBase, lineScanPosMask);
|
|
sl@0
|
830 |
TileScanLine(scanLineDes, width, srcePoint, aMaskBitmap, lineScanPosMask, aMaskBase, dispMode);
|
|
sl@0
|
831 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer,drawMode);
|
|
sl@0
|
832 |
aSourceBitmap->GetScanLine(scanLineDes,srcePoint,width,EFalse , KZeroPoint ,dispMode,
|
|
sl@0
|
833 |
aSourceBase,lineScanPos2);
|
|
sl@0
|
834 |
|
|
sl@0
|
835 |
iDrawDevice->WriteLine(aDest.iX,destY,width,scanLineBuffer,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
836 |
}
|
|
sl@0
|
837 |
}
|
|
sl@0
|
838 |
}
|
|
sl@0
|
839 |
|
|
sl@0
|
840 |
/**
|
|
sl@0
|
841 |
@see DoBitBltMasked()
|
|
sl@0
|
842 |
*/
|
|
sl@0
|
843 |
void CSwDirectGdiEngine::DoBitBltAlpha(const TPoint& aDest ,CBitwiseBitmap* aSourceBitmap,
|
|
sl@0
|
844 |
TUint32* aSourceBase, const TRect& aSourceRect,
|
|
sl@0
|
845 |
CBitwiseBitmap* aMaskBitmap, TUint32* aMaskBase,
|
|
sl@0
|
846 |
const TPoint& aAlphaPoint, TBool aInvertMask)
|
|
sl@0
|
847 |
{
|
|
sl@0
|
848 |
MFastBlend* fastBlend=NULL;
|
|
sl@0
|
849 |
if (FastBlendInterface(aSourceBitmap,aMaskBitmap,fastBlend)==KErrNone)
|
|
sl@0
|
850 |
{
|
|
sl@0
|
851 |
if (fastBlend->FastBlendBitmapMasked(aDest, aSourceBase, aSourceBitmap->DataStride(), aSourceBitmap->SizeInPixels(), aSourceRect, aSourceBitmap->DisplayMode(),
|
|
sl@0
|
852 |
aMaskBase, aMaskBitmap->DataStride(), aMaskBitmap->DisplayMode(), aMaskBitmap->SizeInPixels(), aAlphaPoint, aInvertMask,
|
|
sl@0
|
853 |
GcDrawMode(iDrawMode), CFbsDrawDevice::ENoShadow)==KErrNone)
|
|
sl@0
|
854 |
{
|
|
sl@0
|
855 |
return;
|
|
sl@0
|
856 |
}
|
|
sl@0
|
857 |
}
|
|
sl@0
|
858 |
|
|
sl@0
|
859 |
const TPoint KZeroPoint(0,0);
|
|
sl@0
|
860 |
const TInt KScanLineLength = 256;
|
|
sl@0
|
861 |
const TInt KRgbSize = 4;
|
|
sl@0
|
862 |
|
|
sl@0
|
863 |
TUint8 srceRgbBuffer[KScanLineLength * KRgbSize];
|
|
sl@0
|
864 |
TUint8 maskBuffer[KScanLineLength];
|
|
sl@0
|
865 |
TUint8* srceRgbBufferPtr(srceRgbBuffer);
|
|
sl@0
|
866 |
|
|
sl@0
|
867 |
TPtr8 srceRgbDes(srceRgbBuffer, KScanLineLength * KRgbSize, KScanLineLength * KRgbSize);
|
|
sl@0
|
868 |
TPtr8 maskDes(maskBuffer, KScanLineLength, KScanLineLength);
|
|
sl@0
|
869 |
|
|
sl@0
|
870 |
TInt srceY = aSourceRect.iTl.iY;
|
|
sl@0
|
871 |
TInt destY = aDest.iY;
|
|
sl@0
|
872 |
TInt alphaY = aAlphaPoint.iY;
|
|
sl@0
|
873 |
|
|
sl@0
|
874 |
TLineScanningPosition lineScanPosSrc(aSourceBase);
|
|
sl@0
|
875 |
TLineScanningPosition lineScanPosMask(aMaskBase);
|
|
sl@0
|
876 |
TDisplayMode sourceMode = aSourceBitmap->DisplayMode();
|
|
sl@0
|
877 |
|
|
sl@0
|
878 |
if (aMaskBitmap->IsCompressed())
|
|
sl@0
|
879 |
{
|
|
sl@0
|
880 |
HBufC8* hBuf= CFbsBitmap::GetDecompressionBuffer(aMaskBitmap->DataStride());
|
|
sl@0
|
881 |
if (hBuf == NULL)
|
|
sl@0
|
882 |
{
|
|
sl@0
|
883 |
iDriver->SetError(KErrNoMemory); // Out of memory so do not draw anything
|
|
sl@0
|
884 |
return;
|
|
sl@0
|
885 |
}
|
|
sl@0
|
886 |
lineScanPosMask.iScanLineBuffer = hBuf;
|
|
sl@0
|
887 |
}
|
|
sl@0
|
888 |
|
|
sl@0
|
889 |
TAny* interface = NULL;
|
|
sl@0
|
890 |
if ( (sourceMode == EColor16MU || sourceMode == EColor64K) &&
|
|
sl@0
|
891 |
aMaskBitmap->DisplayMode() == EGray256 && // ensure a monochrome mask isn't passed in as an alpha channel
|
|
sl@0
|
892 |
aSourceBitmap->SizeInPixels().iWidth <= aMaskBitmap->SizeInPixels().iWidth &&
|
|
sl@0
|
893 |
aSourceBitmap->SizeInPixels().iHeight <= aMaskBitmap->SizeInPixels().iHeight &&
|
|
sl@0
|
894 |
iDrawDevice->GetInterface(KFastBlitInterfaceID, interface) == KErrNone )
|
|
sl@0
|
895 |
{
|
|
sl@0
|
896 |
TInt length = aSourceRect.Width();
|
|
sl@0
|
897 |
const TInt srceX = aSourceRect.iTl.iX;
|
|
sl@0
|
898 |
const TInt alphaX = aAlphaPoint.iX;
|
|
sl@0
|
899 |
const TInt destX = aDest.iX;
|
|
sl@0
|
900 |
MFastBlit* fastBlit = reinterpret_cast<MFastBlit*>(interface);
|
|
sl@0
|
901 |
|
|
sl@0
|
902 |
while (srceY < aSourceRect.iBr.iY)
|
|
sl@0
|
903 |
{
|
|
sl@0
|
904 |
TUint32* srcPtr;
|
|
sl@0
|
905 |
TUint32* maskPtr;
|
|
sl@0
|
906 |
TPoint srcPoint(srceX, srceY);
|
|
sl@0
|
907 |
TPoint maskPoint(alphaX, alphaY);
|
|
sl@0
|
908 |
|
|
sl@0
|
909 |
aSourceBitmap->GetScanLinePtr(srcPtr, length, srcPoint, aSourceBase, lineScanPosSrc);
|
|
sl@0
|
910 |
aMaskBitmap->GetScanLinePtr(maskPtr, length, maskPoint, aMaskBase, lineScanPosMask);
|
|
sl@0
|
911 |
|
|
sl@0
|
912 |
fastBlit->WriteAlphaLineEx(destX, destY, length, srceX, srcPtr,
|
|
sl@0
|
913 |
sourceMode, alphaX, maskPtr, MAlphaBlend::EShdwBefore);
|
|
sl@0
|
914 |
srceY++;
|
|
sl@0
|
915 |
destY++;
|
|
sl@0
|
916 |
alphaY++;
|
|
sl@0
|
917 |
}
|
|
sl@0
|
918 |
|
|
sl@0
|
919 |
return;
|
|
sl@0
|
920 |
}
|
|
sl@0
|
921 |
|
|
sl@0
|
922 |
const TBool useScanLinePtr = ( (EColor16MA == aSourceBitmap->DisplayMode()));
|
|
sl@0
|
923 |
TUint32* slptr = NULL;
|
|
sl@0
|
924 |
TUint offset = 0;
|
|
sl@0
|
925 |
|
|
sl@0
|
926 |
while (srceY < aSourceRect.iBr.iY)
|
|
sl@0
|
927 |
{
|
|
sl@0
|
928 |
TInt srceX = aSourceRect.iTl.iX;
|
|
sl@0
|
929 |
TInt destX = aDest.iX;
|
|
sl@0
|
930 |
TInt alphaX = aAlphaPoint.iX;
|
|
sl@0
|
931 |
|
|
sl@0
|
932 |
while (srceX < aSourceRect.iBr.iX)
|
|
sl@0
|
933 |
{
|
|
sl@0
|
934 |
TPoint srcePoint(srceX,srceY);
|
|
sl@0
|
935 |
TPoint alphaPoint(alphaX,alphaY);
|
|
sl@0
|
936 |
const TInt width = Min(KScanLineLength, aSourceRect.iBr.iX - srceX);
|
|
sl@0
|
937 |
|
|
sl@0
|
938 |
if (useScanLinePtr)
|
|
sl@0
|
939 |
{
|
|
sl@0
|
940 |
offset = MemoryOffsetForPixelPitch(srceX, EColor16MU);
|
|
sl@0
|
941 |
srceRgbBufferPtr = (TUint8*)GetScanLineOffsetPtr(aSourceBitmap, slptr, width,
|
|
sl@0
|
942 |
srcePoint, aSourceBase, lineScanPosSrc, offset);
|
|
sl@0
|
943 |
}
|
|
sl@0
|
944 |
else
|
|
sl@0
|
945 |
{
|
|
sl@0
|
946 |
aSourceBitmap->GetScanLine(srceRgbDes,srcePoint,width,EFalse,KZeroPoint,
|
|
sl@0
|
947 |
ERgb,aSourceBase,lineScanPosSrc);
|
|
sl@0
|
948 |
}
|
|
sl@0
|
949 |
|
|
sl@0
|
950 |
aMaskBitmap->GetScanLine(maskDes, alphaPoint, width, EFalse, KZeroPoint,
|
|
sl@0
|
951 |
EGray256, aMaskBase, lineScanPosMask);
|
|
sl@0
|
952 |
TileScanLine(maskDes, width, alphaPoint, aMaskBitmap, lineScanPosMask, aMaskBase, EGray256);
|
|
sl@0
|
953 |
|
|
sl@0
|
954 |
// aInvertMask is not used for alpha channels (EGray256 mask)
|
|
sl@0
|
955 |
if (aInvertMask && aMaskBitmap->DisplayMode() != EGray256)
|
|
sl@0
|
956 |
{
|
|
sl@0
|
957 |
for (TInt i = 0; i < width; ++i)
|
|
sl@0
|
958 |
{
|
|
sl@0
|
959 |
maskBuffer[i] = ~maskBuffer[i];
|
|
sl@0
|
960 |
}
|
|
sl@0
|
961 |
}
|
|
sl@0
|
962 |
|
|
sl@0
|
963 |
iDrawDevice->WriteRgbAlphaLine(destX, destY, width, srceRgbBufferPtr, maskBuffer, GcDrawMode(iDrawMode));
|
|
sl@0
|
964 |
|
|
sl@0
|
965 |
srceX += KScanLineLength;
|
|
sl@0
|
966 |
destX += KScanLineLength;
|
|
sl@0
|
967 |
alphaX += KScanLineLength;
|
|
sl@0
|
968 |
}
|
|
sl@0
|
969 |
|
|
sl@0
|
970 |
srceY++;
|
|
sl@0
|
971 |
destY++;
|
|
sl@0
|
972 |
alphaY++;
|
|
sl@0
|
973 |
}
|
|
sl@0
|
974 |
}
|
|
sl@0
|
975 |
|
|
sl@0
|
976 |
/**
|
|
sl@0
|
977 |
Tiles the scan line if its length in pixels is less than aLengthInPixels.
|
|
sl@0
|
978 |
|
|
sl@0
|
979 |
@param aScanLine A pointer to the scan line buffer.
|
|
sl@0
|
980 |
@param aLengthInPixels The scan line size in pixels.
|
|
sl@0
|
981 |
@param aSrcPt Position of the first pixel in aMaskBitmap that should be used as a source
|
|
sl@0
|
982 |
for the pixels in scan line buffer.
|
|
sl@0
|
983 |
@param aMaskBitmap Any additional pixels for the scan line buffer will be taken from here.
|
|
sl@0
|
984 |
@param aScanLinePos This argument is used for some internal optimisations. It should not be
|
|
sl@0
|
985 |
modified by the caller.
|
|
sl@0
|
986 |
@param aMaskBase The base address of aMaskBitmap data.
|
|
sl@0
|
987 |
@param aDisplayMode Any additional pixels should be taken from aMaskBitmap using aDisplayMode
|
|
sl@0
|
988 |
as an argument for GetScanLine() call.
|
|
sl@0
|
989 |
@panic DGDIAdapter 1021, if the memory required for the scanline is greater than the size of aScanLine (debug only).
|
|
sl@0
|
990 |
*/
|
|
sl@0
|
991 |
void CSwDirectGdiEngine::TileScanLine(TPtr8& aScanLine,
|
|
sl@0
|
992 |
TInt aLengthInPixels,
|
|
sl@0
|
993 |
const TPoint& aSrcPt,
|
|
sl@0
|
994 |
const CBitwiseBitmap* aMaskBitmap,
|
|
sl@0
|
995 |
TLineScanningPosition& aScanLinePos,
|
|
sl@0
|
996 |
TUint32* aMaskBase,
|
|
sl@0
|
997 |
TDisplayMode aDisplayMode
|
|
sl@0
|
998 |
)
|
|
sl@0
|
999 |
{
|
|
sl@0
|
1000 |
TInt lengthInBytes = CFbsBitmap::ScanLineLength(aLengthInPixels, aDisplayMode);
|
|
sl@0
|
1001 |
GRAPHICS_ASSERT_DEBUG(lengthInBytes <= aScanLine.MaxLength(), EDirectGdiPanicInvalidArg);
|
|
sl@0
|
1002 |
TInt scanLineLength = aScanLine.Length();
|
|
sl@0
|
1003 |
if(scanLineLength < lengthInBytes && aSrcPt.iX > 0)
|
|
sl@0
|
1004 |
{
|
|
sl@0
|
1005 |
//If, for example, src bmp is 100 pixels width, mask bmp is 20 pixels width and src
|
|
sl@0
|
1006 |
//rect is (10, 0, 100, 1) -> We will read only pixels 10..19 from the first scan line
|
|
sl@0
|
1007 |
//of the mask bmp. We have to have 90 mask bmp pixels.
|
|
sl@0
|
1008 |
//So we have to make a second mask bmp read startig from pixel 0 - 10 pixels length.
|
|
sl@0
|
1009 |
TInt maxLen = Min(aScanLine.MaxLength() - scanLineLength, aSrcPt.iX);
|
|
sl@0
|
1010 |
TPtr8 maskDes2(const_cast <TUint8*> (aScanLine.Ptr()) + scanLineLength, maxLen, maxLen);
|
|
sl@0
|
1011 |
TPoint srcPt(0, aSrcPt.iY);
|
|
sl@0
|
1012 |
TPoint zeroPt(0, 0);
|
|
sl@0
|
1013 |
aMaskBitmap->GetScanLine(maskDes2, srcPt, maxLen, EFalse, zeroPt, aDisplayMode, aMaskBase, aScanLinePos);
|
|
sl@0
|
1014 |
aScanLine.SetLength(scanLineLength + maskDes2.Length());
|
|
sl@0
|
1015 |
scanLineLength = aScanLine.Length();
|
|
sl@0
|
1016 |
}
|
|
sl@0
|
1017 |
if(scanLineLength >= lengthInBytes || scanLineLength == 0)
|
|
sl@0
|
1018 |
{
|
|
sl@0
|
1019 |
return;
|
|
sl@0
|
1020 |
}
|
|
sl@0
|
1021 |
//If we still don't have enough mask bmp pixels - we have to tile the scan line
|
|
sl@0
|
1022 |
TInt repeatCnt = lengthInBytes / scanLineLength - 1;
|
|
sl@0
|
1023 |
TInt bytesLeft = lengthInBytes % scanLineLength;
|
|
sl@0
|
1024 |
const TUint8* src = aScanLine.Ptr();
|
|
sl@0
|
1025 |
TUint8* dest = const_cast <TUint8*> (src) + scanLineLength;
|
|
sl@0
|
1026 |
for(;repeatCnt>0;dest+=scanLineLength,repeatCnt--)
|
|
sl@0
|
1027 |
{
|
|
sl@0
|
1028 |
Mem::Copy(dest, src, scanLineLength);
|
|
sl@0
|
1029 |
}
|
|
sl@0
|
1030 |
if(bytesLeft)
|
|
sl@0
|
1031 |
{
|
|
sl@0
|
1032 |
Mem::Copy(dest, src, bytesLeft);
|
|
sl@0
|
1033 |
}
|
|
sl@0
|
1034 |
aScanLine.SetLength(lengthInBytes);
|
|
sl@0
|
1035 |
}
|
|
sl@0
|
1036 |
|
|
sl@0
|
1037 |
/**
|
|
sl@0
|
1038 |
Draws a masked rectangular section of the source bitmap and does a compress/stretch to
|
|
sl@0
|
1039 |
fit a given destination rectangle. It uses DoBitBltMasked() if no stretching is involved.
|
|
sl@0
|
1040 |
|
|
sl@0
|
1041 |
@see DrawBitmapMasked()
|
|
sl@0
|
1042 |
|
|
sl@0
|
1043 |
@param aDestRect The target position on the device containing the top left corner of the source bitmap.
|
|
sl@0
|
1044 |
@param aSourceBitmap The bitmap object that contains the pixels to draw.
|
|
sl@0
|
1045 |
@param aSourceBase The address of the source bitmap pixels.
|
|
sl@0
|
1046 |
@param aSourceRect The area of the bitmap to draw from.
|
|
sl@0
|
1047 |
@param aMaskBitmap The bitmap object that contains the mask.
|
|
sl@0
|
1048 |
@param aMaskBase The address of the mask pixels.
|
|
sl@0
|
1049 |
@param aInvertMask Inverts the mask if ETrue.
|
|
sl@0
|
1050 |
@param aClipRect A clipping rectangle.
|
|
sl@0
|
1051 |
@panic DGDIAdapter 1013, if the clipping rectangle is fully outside of the device bounds (debug only).
|
|
sl@0
|
1052 |
*/
|
|
sl@0
|
1053 |
void CSwDirectGdiEngine::DoDrawBitmapMasked(const TRect& aDestRect,
|
|
sl@0
|
1054 |
CBitwiseBitmap* aSourceBitmap,
|
|
sl@0
|
1055 |
TUint32* aSourceBase,
|
|
sl@0
|
1056 |
const TRect& aSourceRect,
|
|
sl@0
|
1057 |
CBitwiseBitmap* aMaskBitmap,
|
|
sl@0
|
1058 |
TUint32* aMaskBase,
|
|
sl@0
|
1059 |
TBool aInvertMask,
|
|
sl@0
|
1060 |
const TRect& aClipRect)
|
|
sl@0
|
1061 |
{
|
|
sl@0
|
1062 |
CFbsDrawDevice* drawDevice = iDrawDevice;
|
|
sl@0
|
1063 |
#ifdef _DEBUG
|
|
sl@0
|
1064 |
TRect deviceDestRect;
|
|
sl@0
|
1065 |
drawDevice->GetDrawRect(deviceDestRect);
|
|
sl@0
|
1066 |
GRAPHICS_ASSERT_DEBUG(aClipRect.iTl.iX >= deviceDestRect.iTl.iX, EDirectGdiPanicOutOfBounds);
|
|
sl@0
|
1067 |
GRAPHICS_ASSERT_DEBUG(aClipRect.iTl.iY >= deviceDestRect.iTl.iY, EDirectGdiPanicOutOfBounds);
|
|
sl@0
|
1068 |
GRAPHICS_ASSERT_DEBUG(aClipRect.iBr.iX <= deviceDestRect.iBr.iX, EDirectGdiPanicOutOfBounds);
|
|
sl@0
|
1069 |
GRAPHICS_ASSERT_DEBUG(aClipRect.iBr.iY <= deviceDestRect.iBr.iY, EDirectGdiPanicOutOfBounds);
|
|
sl@0
|
1070 |
#endif
|
|
sl@0
|
1071 |
|
|
sl@0
|
1072 |
// The clipped version of the destination rectangle
|
|
sl@0
|
1073 |
TRect clippedDestRect(aDestRect);
|
|
sl@0
|
1074 |
clippedDestRect.Intersection(aClipRect);
|
|
sl@0
|
1075 |
|
|
sl@0
|
1076 |
// If the source rectangle and the destination rectangle are same,
|
|
sl@0
|
1077 |
// no stretch/compress operation required, just do BitBltMasked
|
|
sl@0
|
1078 |
if (aDestRect.Size() == aSourceRect.Size())
|
|
sl@0
|
1079 |
{
|
|
sl@0
|
1080 |
if (!clippedDestRect.IsEmpty())
|
|
sl@0
|
1081 |
{
|
|
sl@0
|
1082 |
const TPoint destPoint(clippedDestRect.iTl);
|
|
sl@0
|
1083 |
clippedDestRect.Move(aSourceRect.iTl - aDestRect.iTl);
|
|
sl@0
|
1084 |
DoBitBltMasked(destPoint,
|
|
sl@0
|
1085 |
aSourceBitmap,
|
|
sl@0
|
1086 |
aSourceBase,
|
|
sl@0
|
1087 |
clippedDestRect,
|
|
sl@0
|
1088 |
aMaskBitmap,
|
|
sl@0
|
1089 |
aMaskBase,
|
|
sl@0
|
1090 |
aInvertMask);
|
|
sl@0
|
1091 |
}
|
|
sl@0
|
1092 |
return;
|
|
sl@0
|
1093 |
}
|
|
sl@0
|
1094 |
|
|
sl@0
|
1095 |
MFastBlend* fastBlend=NULL;
|
|
sl@0
|
1096 |
if (FastBlendInterface(aSourceBitmap,aMaskBitmap,fastBlend)==KErrNone)
|
|
sl@0
|
1097 |
{
|
|
sl@0
|
1098 |
if (fastBlend->FastBlendBitmapMaskedScaled(aClipRect, aDestRect, aSourceRect, aSourceBase, aSourceBitmap->DataStride(),
|
|
sl@0
|
1099 |
aSourceBitmap->DisplayMode(),aSourceBitmap->SizeInPixels(),
|
|
sl@0
|
1100 |
aMaskBase, aMaskBitmap->DataStride(), aMaskBitmap->DisplayMode(), aMaskBitmap->SizeInPixels(), aInvertMask,
|
|
sl@0
|
1101 |
GcDrawMode(iDrawMode), CFbsDrawDevice::ENoShadow)==KErrNone)
|
|
sl@0
|
1102 |
{
|
|
sl@0
|
1103 |
return;
|
|
sl@0
|
1104 |
}
|
|
sl@0
|
1105 |
}
|
|
sl@0
|
1106 |
|
|
sl@0
|
1107 |
TUint32* scanLineBuffer = drawDevice->ScanLineBuffer();
|
|
sl@0
|
1108 |
const TInt scanLineBytes = drawDevice->ScanLineBytes();
|
|
sl@0
|
1109 |
TPtr8 scanLineDes(reinterpret_cast<TUint8*>(scanLineBuffer),scanLineBytes,scanLineBytes);
|
|
sl@0
|
1110 |
|
|
sl@0
|
1111 |
const TInt KScanLineLength = 256;
|
|
sl@0
|
1112 |
const TInt KRgbSize = 4;
|
|
sl@0
|
1113 |
TUint8 maskBuffer[KScanLineLength];
|
|
sl@0
|
1114 |
|
|
sl@0
|
1115 |
TUint8 sourceBuffer[KScanLineLength*KRgbSize];
|
|
sl@0
|
1116 |
TPtr8 sourceDes(sourceBuffer,KScanLineLength*KRgbSize,KScanLineLength*KRgbSize);
|
|
sl@0
|
1117 |
|
|
sl@0
|
1118 |
const TDisplayMode dispMode = ScanLineBufferDisplayMode(drawDevice);
|
|
sl@0
|
1119 |
CGraphicsContext::TDrawMode drawMode = aInvertMask ? CGraphicsContext::EDrawModeAND : CGraphicsContext::EDrawModeANDNOT;
|
|
sl@0
|
1120 |
// If the source bitmap and the mask bitmap are same, draw the source bitmap either
|
|
sl@0
|
1121 |
// with EDrawModeAND or EDrawModeOR based on aInvertMask parameter.
|
|
sl@0
|
1122 |
if (aSourceBitmap == aMaskBitmap)
|
|
sl@0
|
1123 |
{
|
|
sl@0
|
1124 |
drawMode = aInvertMask ? CGraphicsContext::EDrawModeAND : CGraphicsContext::EDrawModeOR;
|
|
sl@0
|
1125 |
}
|
|
sl@0
|
1126 |
|
|
sl@0
|
1127 |
TLinearDDA xLine;
|
|
sl@0
|
1128 |
TInt bitmapXStart = 0;
|
|
sl@0
|
1129 |
xLine.Construct(TPoint(aSourceRect.iTl.iX,aDestRect.iTl.iX),
|
|
sl@0
|
1130 |
TPoint(aSourceRect.iBr.iX,aDestRect.iBr.iX),TLinearDDA::ELeft);
|
|
sl@0
|
1131 |
xLine.JumpToYCoord2(bitmapXStart,clippedDestRect.iTl.iX);
|
|
sl@0
|
1132 |
|
|
sl@0
|
1133 |
TLinearDDA yLine;
|
|
sl@0
|
1134 |
TPoint yCoord(aSourceRect.iTl.iY,aDestRect.iTl.iY);
|
|
sl@0
|
1135 |
yLine.Construct(yCoord,TPoint(aSourceRect.iBr.iY,aDestRect.iBr.iY),TLinearDDA::ELeft);
|
|
sl@0
|
1136 |
TInt dummy;
|
|
sl@0
|
1137 |
yLine.JumpToYCoord2(dummy,clippedDestRect.iTl.iY);
|
|
sl@0
|
1138 |
yCoord.SetXY(dummy,clippedDestRect.iTl.iY);
|
|
sl@0
|
1139 |
|
|
sl@0
|
1140 |
const TInt srceWidth = aSourceRect.Width();
|
|
sl@0
|
1141 |
const TInt destWidth = aDestRect.Width();
|
|
sl@0
|
1142 |
const TInt clipWidth = clippedDestRect.Width();
|
|
sl@0
|
1143 |
const TInt clipStrch = clippedDestRect.iTl.iX - aDestRect.iTl.iX;
|
|
sl@0
|
1144 |
const TInt sourceBmpWidth = aSourceBitmap->SizeInPixels().iWidth;
|
|
sl@0
|
1145 |
const TInt maskWidth = aMaskBitmap->SizeInPixels().iWidth;
|
|
sl@0
|
1146 |
const TInt maskHeight = aMaskBitmap->SizeInPixels().iHeight;
|
|
sl@0
|
1147 |
|
|
sl@0
|
1148 |
TLineScanningPosition lineScanPos(aSourceBase);
|
|
sl@0
|
1149 |
TLineScanningPosition lineScanPos2(aSourceBase);
|
|
sl@0
|
1150 |
TLineScanningPosition lineScanPosMask(aMaskBase);
|
|
sl@0
|
1151 |
|
|
sl@0
|
1152 |
HBufC8* alphaBuffer = NULL;
|
|
sl@0
|
1153 |
TPtr8 alphaBufferDes(NULL, 0);
|
|
sl@0
|
1154 |
const TDisplayMode maskDisplayMode = aMaskBitmap->DisplayMode();
|
|
sl@0
|
1155 |
|
|
sl@0
|
1156 |
// Mask inversion is not supported if the original source mask format is EGray256.
|
|
sl@0
|
1157 |
// Note that this is only used for pre-multiplied alpha targets.
|
|
sl@0
|
1158 |
TUint8 maskInverter = (aInvertMask && maskDisplayMode != EGray256) ? 0xFF : 0x00;
|
|
sl@0
|
1159 |
|
|
sl@0
|
1160 |
if (aSourceBitmap != aMaskBitmap)
|
|
sl@0
|
1161 |
{
|
|
sl@0
|
1162 |
// Get buffer to be used to convert non-EGray256 masks to EGray256 when display mode is EColor16MAP
|
|
sl@0
|
1163 |
// or to tile the mask when the mask width is smaller than the source bitmap width.
|
|
sl@0
|
1164 |
if (maskDisplayMode != EGray256 && (dispMode == EColor16MAP || maskWidth < sourceBmpWidth))
|
|
sl@0
|
1165 |
{
|
|
sl@0
|
1166 |
alphaBuffer = CFbsBitmap::GetExtraBuffer(CFbsBitmap::ScanLineLength(maskWidth, EGray256));
|
|
sl@0
|
1167 |
if (!alphaBuffer)
|
|
sl@0
|
1168 |
{
|
|
sl@0
|
1169 |
return; // Out of memory so do not draw anything
|
|
sl@0
|
1170 |
}
|
|
sl@0
|
1171 |
alphaBufferDes.Set(alphaBuffer->Des());
|
|
sl@0
|
1172 |
}
|
|
sl@0
|
1173 |
|
|
sl@0
|
1174 |
// Get buffer to be used for decompressing compressed masks when mask is EGray256
|
|
sl@0
|
1175 |
if (maskDisplayMode == EGray256 && aMaskBitmap->IsCompressed())
|
|
sl@0
|
1176 |
{
|
|
sl@0
|
1177 |
HBufC8* hBuf= CFbsBitmap::GetDecompressionBuffer(aMaskBitmap->DataStride());
|
|
sl@0
|
1178 |
if (!hBuf)
|
|
sl@0
|
1179 |
{
|
|
sl@0
|
1180 |
return; // Out of memory so do not draw anything
|
|
sl@0
|
1181 |
}
|
|
sl@0
|
1182 |
lineScanPosMask.iScanLineBuffer = hBuf;
|
|
sl@0
|
1183 |
}
|
|
sl@0
|
1184 |
}
|
|
sl@0
|
1185 |
const TPoint KZeroPoint(0,0);
|
|
sl@0
|
1186 |
|
|
sl@0
|
1187 |
while (yCoord.iY < clippedDestRect.iBr.iY)
|
|
sl@0
|
1188 |
{
|
|
sl@0
|
1189 |
// Draw only the source bitmap, if the source bitmap and the mask bitmap are same.
|
|
sl@0
|
1190 |
// else draw both the bitmaps
|
|
sl@0
|
1191 |
if (aSourceBitmap == aMaskBitmap)
|
|
sl@0
|
1192 |
{
|
|
sl@0
|
1193 |
aSourceBitmap->StretchScanLine(scanLineDes,TPoint(bitmapXStart,yCoord.iX),
|
|
sl@0
|
1194 |
clipStrch,clipWidth,destWidth,aSourceRect.iTl.iX,
|
|
sl@0
|
1195 |
srceWidth, KZeroPoint,dispMode,aSourceBase,lineScanPos);
|
|
sl@0
|
1196 |
if (yCoord.iY==clippedDestRect.iTl.iY)
|
|
sl@0
|
1197 |
aSourceBitmap->SetCompressionBookmark(lineScanPos,aSourceBase,NULL);
|
|
sl@0
|
1198 |
drawDevice->WriteLine(clippedDestRect.iTl.iX,yCoord.iY,clipWidth,scanLineBuffer,drawMode);
|
|
sl@0
|
1199 |
}
|
|
sl@0
|
1200 |
else if ((maskDisplayMode == EGray256) || (dispMode == EColor16MAP))
|
|
sl@0
|
1201 |
{
|
|
sl@0
|
1202 |
// Stretch the source bitmap and the mask bitmap for KScanLineLength as stretch length
|
|
sl@0
|
1203 |
// then do alpha blending for this length. If the length is more then KScanLineLength
|
|
sl@0
|
1204 |
// repeat it till you stretch complete destination length.
|
|
sl@0
|
1205 |
const TPoint startPt(bitmapXStart,yCoord.iX);
|
|
sl@0
|
1206 |
TInt clipWidthPart = clippedDestRect.Width();
|
|
sl@0
|
1207 |
TBool loopLast = ETrue;
|
|
sl@0
|
1208 |
if(clipWidthPart > KScanLineLength)
|
|
sl@0
|
1209 |
{
|
|
sl@0
|
1210 |
clipWidthPart = KScanLineLength;
|
|
sl@0
|
1211 |
loopLast = EFalse;
|
|
sl@0
|
1212 |
}
|
|
sl@0
|
1213 |
TInt clipIncStrch = clippedDestRect.iTl.iX - aDestRect.iTl.iX;
|
|
sl@0
|
1214 |
TInt startClip=clippedDestRect.iTl.iX;
|
|
sl@0
|
1215 |
TPoint sourceDestXCoords(bitmapXStart,clippedDestRect.iTl.iX);
|
|
sl@0
|
1216 |
xLine.Construct(TPoint(aSourceRect.iTl.iX,aDestRect.iTl.iX),
|
|
sl@0
|
1217 |
TPoint(aSourceRect.iBr.iX,aDestRect.iBr.iX),TLinearDDA::ELeft);
|
|
sl@0
|
1218 |
xLine.JumpToYCoord2(sourceDestXCoords.iX,sourceDestXCoords.iY);
|
|
sl@0
|
1219 |
TPoint srcPixel(bitmapXStart % maskWidth,yCoord.iX % maskHeight);
|
|
sl@0
|
1220 |
TInt spaceLeft = 0;
|
|
sl@0
|
1221 |
TRgb maskRgbValue;
|
|
sl@0
|
1222 |
TUint32* maskScanLinePtr32 = NULL;
|
|
sl@0
|
1223 |
TPoint currentYValue(0,srcPixel.iY);
|
|
sl@0
|
1224 |
aMaskBitmap->GetScanLinePtr(maskScanLinePtr32, currentYValue, maskWidth, aMaskBase, lineScanPosMask);
|
|
sl@0
|
1225 |
// To implement non EGray256 mask support with EColor16MAP display mode, we convert
|
|
sl@0
|
1226 |
// the mask to EGray256.
|
|
sl@0
|
1227 |
if (maskDisplayMode != EGray256) // Convert scan-line to EGray256 and set maskScanLinePtr32 to the conversion.
|
|
sl@0
|
1228 |
{
|
|
sl@0
|
1229 |
aMaskBitmap->GetScanLine(maskScanLinePtr32, alphaBufferDes, currentYValue, maskWidth, EFalse, TPoint(0, 0), EGray256);
|
|
sl@0
|
1230 |
maskScanLinePtr32 = (TUint32*)alphaBuffer->Ptr();
|
|
sl@0
|
1231 |
}
|
|
sl@0
|
1232 |
TUint8* maskScanLinePtr = reinterpret_cast<TUint8*>(maskScanLinePtr32);
|
|
sl@0
|
1233 |
|
|
sl@0
|
1234 |
// Outer loop over all KScanLineLengths
|
|
sl@0
|
1235 |
FOREVER
|
|
sl@0
|
1236 |
{
|
|
sl@0
|
1237 |
aSourceBitmap->StretchScanLine(sourceDes,startPt,clipIncStrch,clipWidthPart,destWidth,
|
|
sl@0
|
1238 |
aSourceRect.iTl.iX,srceWidth, KZeroPoint ,EColor16MU,aSourceBase,lineScanPos);
|
|
sl@0
|
1239 |
// Inner loop to tile the mask if necessary
|
|
sl@0
|
1240 |
spaceLeft = clipWidthPart;
|
|
sl@0
|
1241 |
do {
|
|
sl@0
|
1242 |
srcPixel.iX = sourceDestXCoords.iX % maskWidth;
|
|
sl@0
|
1243 |
|
|
sl@0
|
1244 |
// Invert the mask using the inversion mask.
|
|
sl@0
|
1245 |
maskBuffer[(sourceDestXCoords.iY-clippedDestRect.iTl.iX)%KScanLineLength]=
|
|
sl@0
|
1246 |
maskInverter^maskScanLinePtr[srcPixel.iX];
|
|
sl@0
|
1247 |
xLine.NextStep(sourceDestXCoords);
|
|
sl@0
|
1248 |
} while (--spaceLeft>0);
|
|
sl@0
|
1249 |
|
|
sl@0
|
1250 |
if (yCoord.iY == clippedDestRect.iTl.iY && startClip == clippedDestRect.iTl.iX)
|
|
sl@0
|
1251 |
{
|
|
sl@0
|
1252 |
aSourceBitmap->SetCompressionBookmark(lineScanPos,aSourceBase,NULL);
|
|
sl@0
|
1253 |
aMaskBitmap->SetCompressionBookmark(lineScanPosMask,aMaskBase,NULL);
|
|
sl@0
|
1254 |
}
|
|
sl@0
|
1255 |
drawDevice->WriteRgbAlphaLine(startClip,yCoord.iY,clipWidthPart,sourceBuffer,maskBuffer, GcDrawMode(iDrawMode));
|
|
sl@0
|
1256 |
if (loopLast)
|
|
sl@0
|
1257 |
{
|
|
sl@0
|
1258 |
break;
|
|
sl@0
|
1259 |
}
|
|
sl@0
|
1260 |
startClip+=KScanLineLength;
|
|
sl@0
|
1261 |
if (clippedDestRect.iBr.iX - startClip <= KScanLineLength)
|
|
sl@0
|
1262 |
{
|
|
sl@0
|
1263 |
loopLast = ETrue;
|
|
sl@0
|
1264 |
clipWidthPart = clippedDestRect.iBr.iX - startClip;
|
|
sl@0
|
1265 |
}
|
|
sl@0
|
1266 |
clipIncStrch += KScanLineLength;
|
|
sl@0
|
1267 |
}
|
|
sl@0
|
1268 |
}
|
|
sl@0
|
1269 |
else
|
|
sl@0
|
1270 |
{
|
|
sl@0
|
1271 |
aSourceBitmap->StretchScanLine(scanLineDes,TPoint(bitmapXStart,yCoord.iX),
|
|
sl@0
|
1272 |
clipStrch,clipWidth,destWidth,aSourceRect.iTl.iX,
|
|
sl@0
|
1273 |
srceWidth, KZeroPoint ,dispMode,aSourceBase,lineScanPos2);
|
|
sl@0
|
1274 |
drawDevice->WriteLine(clippedDestRect.iTl.iX,yCoord.iY,clipWidth,scanLineBuffer,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
1275 |
|
|
sl@0
|
1276 |
TInt maskXStart = bitmapXStart % maskWidth;
|
|
sl@0
|
1277 |
if(maskWidth < sourceBmpWidth)
|
|
sl@0
|
1278 |
{
|
|
sl@0
|
1279 |
TPoint sourceDestXCoords(bitmapXStart,clippedDestRect.iTl.iX);
|
|
sl@0
|
1280 |
xLine.Construct(TPoint(aSourceRect.iTl.iX,aDestRect.iTl.iX),
|
|
sl@0
|
1281 |
TPoint(aSourceRect.iBr.iX,aDestRect.iBr.iX),TLinearDDA::ELeft);
|
|
sl@0
|
1282 |
xLine.JumpToYCoord2(sourceDestXCoords.iX,sourceDestXCoords.iY);
|
|
sl@0
|
1283 |
TPoint srcPixel(maskXStart,yCoord.iX % maskHeight);
|
|
sl@0
|
1284 |
TInt spaceLeft = clipWidth;
|
|
sl@0
|
1285 |
TPoint prevSourceDestXCoords(-1,-1);
|
|
sl@0
|
1286 |
TRgb maskRgbValue;
|
|
sl@0
|
1287 |
aMaskBitmap->GetScanLine(alphaBufferDes, TPoint(0,srcPixel.iY), maskWidth, EFalse, TPoint(0, 0), EGray256, aMaskBase, lineScanPosMask);
|
|
sl@0
|
1288 |
|
|
sl@0
|
1289 |
// Loop to tile the mask
|
|
sl@0
|
1290 |
do {
|
|
sl@0
|
1291 |
if (sourceDestXCoords.iY != prevSourceDestXCoords.iY)
|
|
sl@0
|
1292 |
{
|
|
sl@0
|
1293 |
if (sourceDestXCoords.iX != prevSourceDestXCoords.iX)
|
|
sl@0
|
1294 |
{
|
|
sl@0
|
1295 |
srcPixel.iX = sourceDestXCoords.iX % maskWidth;
|
|
sl@0
|
1296 |
if (srcPixel.iX < 0)
|
|
sl@0
|
1297 |
srcPixel.iX += maskWidth;
|
|
sl@0
|
1298 |
maskRgbValue = TRgb::Gray256((*alphaBuffer)[srcPixel.iX]);
|
|
sl@0
|
1299 |
}
|
|
sl@0
|
1300 |
drawDevice->WriteRgb(sourceDestXCoords.iY,yCoord.iY,maskRgbValue,drawMode);
|
|
sl@0
|
1301 |
spaceLeft--;
|
|
sl@0
|
1302 |
}
|
|
sl@0
|
1303 |
prevSourceDestXCoords = sourceDestXCoords;
|
|
sl@0
|
1304 |
xLine.SingleStep(sourceDestXCoords);
|
|
sl@0
|
1305 |
} while (spaceLeft > 0);
|
|
sl@0
|
1306 |
}
|
|
sl@0
|
1307 |
else
|
|
sl@0
|
1308 |
{
|
|
sl@0
|
1309 |
// No need to tile the mask
|
|
sl@0
|
1310 |
aMaskBitmap->StretchScanLine(scanLineDes,TPoint(maskXStart,yCoord.iX % maskHeight),
|
|
sl@0
|
1311 |
clipStrch,clipWidth,destWidth,aSourceRect.iTl.iX,
|
|
sl@0
|
1312 |
srceWidth, KZeroPoint ,dispMode,aMaskBase,lineScanPosMask);
|
|
sl@0
|
1313 |
drawDevice->WriteLine(clippedDestRect.iTl.iX,yCoord.iY,clipWidth,scanLineBuffer,drawMode);
|
|
sl@0
|
1314 |
// Redo stretching of the aSourceBitmap scanline
|
|
sl@0
|
1315 |
aSourceBitmap->StretchScanLine(scanLineDes,TPoint(bitmapXStart,yCoord.iX),
|
|
sl@0
|
1316 |
clipStrch,clipWidth,destWidth,aSourceRect.iTl.iX,
|
|
sl@0
|
1317 |
srceWidth, KZeroPoint ,dispMode,aSourceBase,lineScanPos2);
|
|
sl@0
|
1318 |
}
|
|
sl@0
|
1319 |
|
|
sl@0
|
1320 |
if (yCoord.iY==clippedDestRect.iTl.iY)
|
|
sl@0
|
1321 |
{
|
|
sl@0
|
1322 |
aSourceBitmap->SetCompressionBookmark(lineScanPos2,aSourceBase,NULL);
|
|
sl@0
|
1323 |
aMaskBitmap->SetCompressionBookmark(lineScanPosMask,aMaskBase,NULL);
|
|
sl@0
|
1324 |
}
|
|
sl@0
|
1325 |
|
|
sl@0
|
1326 |
drawDevice->WriteLine(clippedDestRect.iTl.iX,yCoord.iY,clipWidth,scanLineBuffer,CGraphicsContext::EDrawModeXOR);
|
|
sl@0
|
1327 |
}
|
|
sl@0
|
1328 |
yLine.NextStep(yCoord);
|
|
sl@0
|
1329 |
}
|
|
sl@0
|
1330 |
}
|
|
sl@0
|
1331 |
|
|
sl@0
|
1332 |
TInt CSwDirectGdiEngine::FastBlendInterface(const CBitwiseBitmap* aSource, const CBitwiseBitmap* aMask, MFastBlend*& aFastBlend) const
|
|
sl@0
|
1333 |
{
|
|
sl@0
|
1334 |
#if defined(__ALLOW_FAST_BLEND_DISABLE__)
|
|
sl@0
|
1335 |
if (iFastBlendDisabled)
|
|
sl@0
|
1336 |
return(KErrNotSupported);
|
|
sl@0
|
1337 |
#endif
|
|
sl@0
|
1338 |
if ((aSource && aSource->IsCompressed()) || (aMask && aMask->IsCompressed()))
|
|
sl@0
|
1339 |
return(KErrNotSupported);
|
|
sl@0
|
1340 |
TAny* interface=NULL;
|
|
sl@0
|
1341 |
TInt ret= iDrawDevice->GetInterface(KFastBlendInterfaceID, interface);
|
|
sl@0
|
1342 |
aFastBlend=(MFastBlend*)interface;
|
|
sl@0
|
1343 |
return(ret);
|
|
sl@0
|
1344 |
}
|
|
sl@0
|
1345 |
|
|
sl@0
|
1346 |
/*
|
|
sl@0
|
1347 |
Returns the pixel-format to be used when extracting a scan-line through CBitwiseBitmap::GetScanLine(), CBitwiseBitmap::GetVerticalScanLine(), and CBitwiseBitmap::StretchScanLine() for consumption by CFbsDrawDevice::WriteLine() and associated methods.
|
|
sl@0
|
1348 |
|
|
sl@0
|
1349 |
@see CBitwiseBitmap::GetScanLine()
|
|
sl@0
|
1350 |
@see CBitwiseBitmap::GetVerticalScanLine()
|
|
sl@0
|
1351 |
@see CBitwiseBitmap::StretchScanLine()
|
|
sl@0
|
1352 |
@see CFbsDrawDevice::WriteLine()
|
|
sl@0
|
1353 |
@internalComponent
|
|
sl@0
|
1354 |
*/
|
|
sl@0
|
1355 |
TDisplayMode CSwDirectGdiEngine::ScanLineBufferDisplayMode(CFbsDrawDevice* aDrawDevice)
|
|
sl@0
|
1356 |
{
|
|
sl@0
|
1357 |
return iDrawMode == DirectGdi::EDrawModeWriteAlpha ? aDrawDevice->DisplayMode() : aDrawDevice->ScanLineDisplayMode();
|
|
sl@0
|
1358 |
}
|