--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/symbian/bitmap/BitmapTiler.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,184 @@
+/*
+* Copyright (c) 2005-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+*
+*/
+
+
+#include <fbs.h>
+//#include <oom.h>
+#include "BitmapTiler.h"
+#include "MaskedBitmap.h"
+
+//===============================================================================
+// CScanLineFetcher
+//===============================================================================
+CScanLineFetcher::CScanLineFetcher( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine )
+    : iImage( aImage ), iLine( aStartLine ), iOffsetX( aStartPos ), iBmpLine(0), iMskLine(0)
+    {
+    }
+
+void CScanLineFetcher::operator++()
+    {
+    iLine++;
+    }
+    
+void CScanLineFetcher::operator+=( TInt aSteps )
+    {
+    iLine += aSteps;
+    }
+
+//===============================================================================
+// CCompressedScanLineFetcher
+//===============================================================================
+CCompressedScanLineFetcher* CCompressedScanLineFetcher::NewL( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine )
+    {
+    CCompressedScanLineFetcher* self = new (ELeave) CCompressedScanLineFetcher( aImage, aStartPos, aStartLine );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;         
+    }
+    
+CCompressedScanLineFetcher::CCompressedScanLineFetcher( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine )
+    : CScanLineFetcher( aImage, aStartPos, aStartLine )
+    {
+    }
+
+void CCompressedScanLineFetcher::ConstructL()
+    {
+    // scanline sizes
+    iBmpLineSize = iImage->Bitmap().ScanLineLength( iImage->SizeInPixels().iWidth, iImage->Bitmap().DisplayMode() );
+    if( iImage->HasMask() )
+        iMskLineSize = iImage->Mask().ScanLineLength( iImage->SizeInPixels().iWidth, iImage->Mask().DisplayMode() );
+    
+    // create the buffer for bitmap and mask scanlines
+    //iBmpLine = (TUint16*)MemoryManager::Alloc( iBmpLineSize );
+    iBmpLine = (TUint16*)User::Alloc( iBmpLineSize );
+    User::LeaveIfNull( iBmpLine );
+    if( iImage->HasMask() )
+        {
+        //iMskLine = (TUint16*)MemoryManager::Alloc( iMskLineSize );    
+        iMskLine = (TUint16*)User::Alloc( iMskLineSize );    
+        User::LeaveIfNull( iMskLine );
+        }
+    }    
+        
+CCompressedScanLineFetcher::~CCompressedScanLineFetcher()
+    {
+    //if( iBmpLine ) MemoryManager::Free( iBmpLine );
+    //if( iMskLine ) MemoryManager::Free( iMskLine );
+    if( iBmpLine ) User::Free( iBmpLine );
+    if( iMskLine ) User::Free( iMskLine );
+    }
+
+void CCompressedScanLineFetcher::Fetch( TSrcScanLine& aScanLine )
+    {
+    const CFbsBitmap& bmp = iImage->Bitmap();
+    TPtr8 ptr( (TUint8*)iBmpLine, iBmpLineSize );
+    bmp.GetScanLine( ptr, TPoint(0, iLine), bmp.SizeInPixels().iWidth, bmp.DisplayMode() );
+    aScanLine.Set( (TUint16*)iBmpLine, iOffsetX );
+    }
+
+void CCompressedScanLineFetcher::Fetch( TSrcScanLineMasked& aScanLine )
+    {
+    const CFbsBitmap& bmp = iImage->Bitmap();
+    const CFbsBitmap& msk = iImage->Mask();
+    TPtr8 bmpPtr( (TUint8*)iBmpLine, iBmpLineSize );
+    TPtr8 mskPtr( (TUint8*)iMskLine, iMskLineSize );
+    bmp.GetScanLine( bmpPtr, TPoint(0, iLine), bmp.SizeInPixels().iWidth, bmp.DisplayMode() );    
+    msk.GetScanLine( mskPtr, TPoint(0, iLine), msk.SizeInPixels().iWidth, msk.DisplayMode() );
+        
+    aScanLine.Set( (TUint16*)iBmpLine, (TUint16*)iMskLine, iOffsetX );
+    }
+
+void CCompressedScanLineFetcher::Fetch( TSrcScanLineAlpha& aScanLine )
+    {
+    const CFbsBitmap& bmp = iImage->Bitmap();
+    const CFbsBitmap& msk = iImage->Mask();
+    TPtr8 bmpPtr( (TUint8*)iBmpLine, iBmpLineSize );
+    TPtr8 mskPtr( (TUint8*)iMskLine, iMskLineSize );
+    bmp.GetScanLine( bmpPtr, TPoint(0, iLine), bmp.SizeInPixels().iWidth, bmp.DisplayMode() );    
+    msk.GetScanLine( mskPtr, TPoint(0, iLine), msk.SizeInPixels().iWidth, msk.DisplayMode() );
+    aScanLine.Set( (TUint16*)iBmpLine, (TUint8*)iMskLine, iOffsetX );
+    }
+
+//==============================================================================
+// CFastScanLineFetcher
+//==============================================================================
+CFastScanLineFetcher* CFastScanLineFetcher::NewL( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine )
+    {
+    CFastScanLineFetcher* self = new (ELeave) CFastScanLineFetcher( aImage, aStartPos, aStartLine );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;         
+    }
+
+void CFastScanLineFetcher::ConstructL()
+    {
+    // scanline sizes
+    iBmpLineSize = iImage->Bitmap().ScanLineLength( iImage->SizeInPixels().iWidth, iImage->Bitmap().DisplayMode() );
+    if( iImage->HasMask() )
+        iMskLineSize = iImage->Mask().ScanLineLength( iImage->SizeInPixels().iWidth, iImage->Mask().DisplayMode() );
+        
+    // start addresses for direct access to bitmap memory
+    iImage->Bitmap().LockHeap();
+    iBmpLine = (TUint16*)iImage->Bitmap().DataAddress();
+    if( iImage->HasMask() )
+        {
+        iImage->Mask().LockHeap();
+        iMskLine = (TUint16*)iImage->Mask().DataAddress();
+        }
+    }    
+
+CFastScanLineFetcher::CFastScanLineFetcher( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine )
+    : CScanLineFetcher( aImage, aStartPos, aStartLine )
+    {
+    }
+    
+CFastScanLineFetcher::~CFastScanLineFetcher()
+    {
+    if( iImage->HasMask() ) 
+        iImage->Mask().UnlockHeap();
+    iImage->Bitmap().UnlockHeap();
+    }
+
+// composite scanlines
+void CFastScanLineFetcher::Fetch( TSrcScanLine& aScanLine )
+    {
+    TUint8* p = (TUint8*)iBmpLine;
+    p += iLine * iBmpLineSize;
+    aScanLine.Set( (TUint16*)p, iOffsetX );    
+    }
+
+void CFastScanLineFetcher::Fetch( TSrcScanLineMasked& aScanLine )
+    {
+    TUint8* p1 = (TUint8*)iBmpLine;
+    p1 += iLine * iBmpLineSize;
+    TUint8* p2 = (TUint8*)iMskLine;
+    p2 += iLine * iMskLineSize;
+    aScanLine.Set( (TUint16*)p1, (TUint16*)p2, iOffsetX );    
+    }
+
+void CFastScanLineFetcher::Fetch( TSrcScanLineAlpha& aScanLine )
+    {
+    TUint8* p1 = (TUint8*)iBmpLine;
+    p1 += iLine * iBmpLineSize;
+    TUint8* p2 = (TUint8*)iMskLine;
+    p2 += iLine * iMskLineSize;
+    aScanLine.Set( (TUint16*)p1, (TUint8*)p2, iOffsetX );    
+    }
+    
+// END OF FILE