author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 16:54:17 +0300 | |
branch | RCL_3 |
changeset 84 | 800203832575 |
parent 37 | cb62a4f66ebe |
child 65 | 5bfc169077b2 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005-2008 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 the License "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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*/ |
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#include <fbs.h> |
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//#include "oom.h" |
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#include "BitmapTiler.h" |
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#include "MaskedBitmap.h" |
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//=============================================================================== |
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// CScanLineFetcher |
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//=============================================================================== |
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CScanLineFetcher::CScanLineFetcher( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine ) |
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: iImage( aImage ), iLine( aStartLine ), iOffsetX( aStartPos ), iBmpLine(0), iMskLine(0) |
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{ |
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} |
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void CScanLineFetcher::operator++() |
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{ |
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iLine++; |
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} |
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void CScanLineFetcher::operator+=( TInt aSteps ) |
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{ |
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iLine += aSteps; |
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} |
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//=============================================================================== |
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// CCompressedScanLineFetcher |
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//=============================================================================== |
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CCompressedScanLineFetcher* CCompressedScanLineFetcher::NewL( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine ) |
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{ |
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CCompressedScanLineFetcher* self = new (ELeave) CCompressedScanLineFetcher( aImage, aStartPos, aStartLine ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop(); |
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return self; |
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} |
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CCompressedScanLineFetcher::CCompressedScanLineFetcher( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine ) |
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: CScanLineFetcher( aImage, aStartPos, aStartLine ) |
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{ |
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} |
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void CCompressedScanLineFetcher::ConstructL() |
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{ |
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// scanline sizes |
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iBmpLineSize = iImage->Bitmap().ScanLineLength( iImage->SizeInPixels().iWidth, iImage->Bitmap().DisplayMode() ); |
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if( iImage->HasMask() ) |
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iMskLineSize = iImage->Mask().ScanLineLength( iImage->SizeInPixels().iWidth, iImage->Mask().DisplayMode() ); |
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// create the buffer for bitmap and mask scanlines |
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//iBmpLine = (TUint16*)MemoryManager::Alloc( iBmpLineSize ); |
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iBmpLine = (TUint16*)User::Alloc( iBmpLineSize ); |
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User::LeaveIfNull( iBmpLine ); |
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if( iImage->HasMask() ) |
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{ |
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//iMskLine = (TUint16*)MemoryManager::Alloc( iMskLineSize ); |
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iMskLine = (TUint16*)User::Alloc( iMskLineSize ); |
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User::LeaveIfNull( iMskLine ); |
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} |
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} |
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CCompressedScanLineFetcher::~CCompressedScanLineFetcher() |
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{ |
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//if( iBmpLine ) MemoryManager::Free( iBmpLine ); |
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//if( iMskLine ) MemoryManager::Free( iMskLine ); |
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if( iBmpLine ) User::Free( iBmpLine ); |
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if( iMskLine ) User::Free( iMskLine ); |
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} |
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void CCompressedScanLineFetcher::Fetch( TSrcScanLine& aScanLine ) |
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{ |
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const CFbsBitmap& bmp = iImage->Bitmap(); |
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TPtr8 ptr( (TUint8*)iBmpLine, iBmpLineSize ); |
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bmp.GetScanLine( ptr, TPoint(0, iLine), bmp.SizeInPixels().iWidth, bmp.DisplayMode() ); |
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aScanLine.Set( (TUint16*)iBmpLine, iOffsetX ); |
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} |
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void CCompressedScanLineFetcher::Fetch( TSrcScanLineMasked& aScanLine ) |
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{ |
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const CFbsBitmap& bmp = iImage->Bitmap(); |
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const CFbsBitmap& msk = iImage->Mask(); |
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TPtr8 bmpPtr( (TUint8*)iBmpLine, iBmpLineSize ); |
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TPtr8 mskPtr( (TUint8*)iMskLine, iMskLineSize ); |
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bmp.GetScanLine( bmpPtr, TPoint(0, iLine), bmp.SizeInPixels().iWidth, bmp.DisplayMode() ); |
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msk.GetScanLine( mskPtr, TPoint(0, iLine), msk.SizeInPixels().iWidth, msk.DisplayMode() ); |
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aScanLine.Set( (TUint16*)iBmpLine, (TUint16*)iMskLine, iOffsetX ); |
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} |
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void CCompressedScanLineFetcher::Fetch( TSrcScanLineAlpha& aScanLine ) |
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{ |
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const CFbsBitmap& bmp = iImage->Bitmap(); |
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const CFbsBitmap& msk = iImage->Mask(); |
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TPtr8 bmpPtr( (TUint8*)iBmpLine, iBmpLineSize ); |
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TPtr8 mskPtr( (TUint8*)iMskLine, iMskLineSize ); |
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bmp.GetScanLine( bmpPtr, TPoint(0, iLine), bmp.SizeInPixels().iWidth, bmp.DisplayMode() ); |
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msk.GetScanLine( mskPtr, TPoint(0, iLine), msk.SizeInPixels().iWidth, msk.DisplayMode() ); |
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aScanLine.Set( (TUint16*)iBmpLine, (TUint8*)iMskLine, iOffsetX ); |
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} |
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//============================================================================== |
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// CFastScanLineFetcher |
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//============================================================================== |
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CFastScanLineFetcher* CFastScanLineFetcher::NewL( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine ) |
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{ |
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CFastScanLineFetcher* self = new (ELeave) CFastScanLineFetcher( aImage, aStartPos, aStartLine ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop(); |
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return self; |
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} |
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void CFastScanLineFetcher::ConstructL() |
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{ |
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// scanline sizes |
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iBmpLineSize = iImage->Bitmap().ScanLineLength( iImage->SizeInPixels().iWidth, iImage->Bitmap().DisplayMode() ); |
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if( iImage->HasMask() ) |
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iMskLineSize = iImage->Mask().ScanLineLength( iImage->SizeInPixels().iWidth, iImage->Mask().DisplayMode() ); |
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|
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// start addresses for direct access to bitmap memory |
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iImage->Bitmap().LockHeap(); |
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iBmpLine = (TUint16*)iImage->Bitmap().DataAddress(); |
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if( iImage->HasMask() ) |
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{ |
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iImage->Mask().LockHeap(); |
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iMskLine = (TUint16*)iImage->Mask().DataAddress(); |
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} |
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} |
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CFastScanLineFetcher::CFastScanLineFetcher( CMaskedBitmap* aImage, TInt aStartPos, TInt aStartLine ) |
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: CScanLineFetcher( aImage, aStartPos, aStartLine ) |
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{ |
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} |
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CFastScanLineFetcher::~CFastScanLineFetcher() |
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{ |
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if( iImage->HasMask() ) |
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iImage->Mask().UnlockHeap(); |
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iImage->Bitmap().UnlockHeap(); |
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} |
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// composite scanlines |
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void CFastScanLineFetcher::Fetch( TSrcScanLine& aScanLine ) |
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{ |
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TUint8* p = (TUint8*)iBmpLine; |
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p += iLine * iBmpLineSize; |
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aScanLine.Set( (TUint16*)p, iOffsetX ); |
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} |
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void CFastScanLineFetcher::Fetch( TSrcScanLineMasked& aScanLine ) |
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{ |
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TUint8* p1 = (TUint8*)iBmpLine; |
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p1 += iLine * iBmpLineSize; |
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TUint8* p2 = (TUint8*)iMskLine; |
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p2 += iLine * iMskLineSize; |
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aScanLine.Set( (TUint16*)p1, (TUint16*)p2, iOffsetX ); |
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} |
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void CFastScanLineFetcher::Fetch( TSrcScanLineAlpha& aScanLine ) |
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{ |
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TUint8* p1 = (TUint8*)iBmpLine; |
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p1 += iLine * iBmpLineSize; |
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TUint8* p2 = (TUint8*)iMskLine; |
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p2 += iLine * iMskLineSize; |
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aScanLine.Set( (TUint16*)p1, (TUint8*)p2, iOffsetX ); |
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} |
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// END OF FILE |