--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlinglib/Src/CIHLBitmap.cpp	Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,371 @@
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:  Default implementation of bitmap class.
+*
+*/
+
+
+// INCLUDE FILES
+#include "CIHLBitmap.h"
+#include <fbs.h>
+
+// ======================== STATIC FACTORY FUNCTIONS ===========================
+// -----------------------------------------------------------------------------
+// IHLBitmap::CreateL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C MIHLBitmap* IHLBitmap::CreateL()
+	{
+	return CIHLBitmap::NewL();
+	}
+
+// ============================ MEMBER FUNCTIONS ===============================
+// -----------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+CIHLBitmap::CIHLBitmap()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+//
+// Second phase constructors. Can leave.
+// -----------------------------------------------------------------------------
+void CIHLBitmap::ConstructL()
+	{
+	iBitmap = new (ELeave) CFbsBitmap;
+	iMask = new (ELeave) CFbsBitmap;
+	}
+
+// -----------------------------------------------------------------------------
+//
+// Two-phased constructors.
+// -----------------------------------------------------------------------------
+CIHLBitmap* CIHLBitmap::NewL()
+	{
+    CIHLBitmap* self = new( ELeave ) CIHLBitmap;
+	CleanupStack::PushL( self );
+    self->ConstructL();
+	CleanupStack::Pop(); // self
+    return self;
+	}
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+CIHLBitmap::~CIHLBitmap()
+    {
+	delete iBitmap;
+	delete iMask;
+    }
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Create
+// -----------------------------------------------------------------------------
+TInt CIHLBitmap::Create( const TSize& aSize, TDisplayMode aDisplayMode )
+	{
+	Reset();
+	return iBitmap->Create( aSize, aDisplayMode );
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Create
+// -----------------------------------------------------------------------------
+TInt CIHLBitmap::Create( const TSize& aSize, TDisplayMode aBitmapDisplayMode,
+											 TDisplayMode aMaskDisplayMode )
+	{
+    Reset();
+	TInt err( KErrArgument );
+    if( aMaskDisplayMode == EGray2 || aMaskDisplayMode == EGray256 )
+        {
+    	err = iBitmap->Create( aSize, aBitmapDisplayMode );
+    	if( err )
+    		{
+    		return err;
+    		}
+    	err = iMask->Create( aSize, aMaskDisplayMode );
+    	if( err )
+    		{
+    		iBitmap->Reset();
+    		}
+        }
+	return err;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Copy
+// -----------------------------------------------------------------------------
+TInt CIHLBitmap::Copy( const CFbsBitmap& aBitmap, TBool aDuplicate )
+	{
+	Reset();
+	TInt err( KErrNone );
+	TInt bitmapHandle( aBitmap.Handle() );
+	if( bitmapHandle )
+		{
+		if( aDuplicate )
+			{
+			err = iBitmap->Duplicate( bitmapHandle );
+			}
+		else
+			{
+			err = CopyBitmap( aBitmap, *iBitmap );
+			}
+		}
+	return err;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Copy
+// -----------------------------------------------------------------------------
+TInt CIHLBitmap::Copy( const CFbsBitmap& aBitmap, const CFbsBitmap& aMask, TBool aDuplicate )
+	{
+	Reset();
+	TInt bitmapHandle( aBitmap.Handle() );
+	TInt maskHandle( aMask.Handle() );
+	if( bitmapHandle && maskHandle &&
+		aBitmap.SizeInPixels() != aMask.SizeInPixels() )
+		{
+		return KErrArgument;
+		}
+
+	if( maskHandle )
+		{
+		switch( aMask.DisplayMode() )
+		    {
+		    case EGray2:
+		    case EGray256:
+		        {
+		        break;
+		        }
+		    default:
+		        {
+		        return KErrArgument;
+		        }
+		    }
+		}
+
+	TInt err( KErrNone );
+	if( bitmapHandle )
+		{
+		if( aDuplicate )
+			{
+			err = iBitmap->Duplicate( bitmapHandle );
+			}
+		else
+			{
+			err = CopyBitmap( aBitmap, *iBitmap );
+			}
+		}
+
+	if( !err && maskHandle )
+		{
+		if( aDuplicate )
+			{
+			err = iMask->Duplicate( maskHandle );
+			}
+		else
+			{
+			err = CopyBitmap( aMask, *iMask );
+			}
+		if( err )
+			{
+			iBitmap->Reset();
+			}
+		}
+	return err;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Copy
+// -----------------------------------------------------------------------------
+TInt CIHLBitmap::Copy( const MIHLBitmap& aBitmap, TBool aDuplicate )
+	{
+	return Copy( aBitmap.Bitmap(), aBitmap.Mask(), aDuplicate );
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Reset
+// -----------------------------------------------------------------------------
+void CIHLBitmap::Reset()
+	{
+	iBitmap->Reset();
+	iMask->Reset();
+	iEditorPtr = NULL;
+	iEditorValue = 0;
+	}
+
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::IsCreated
+// -----------------------------------------------------------------------------
+TBool CIHLBitmap::IsCreated() const
+	{
+	return ( iBitmap->Handle() != 0 );
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Bitmap
+// -----------------------------------------------------------------------------
+const CFbsBitmap& CIHLBitmap::Bitmap() const
+	{
+	return *iBitmap;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::HasMask
+// -----------------------------------------------------------------------------
+TBool CIHLBitmap::HasMask() const
+	{
+	return ( iMask->Handle() != 0 );
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Mask
+// -----------------------------------------------------------------------------
+const CFbsBitmap& CIHLBitmap::Mask() const
+	{
+	return *iMask;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Draw
+// -----------------------------------------------------------------------------
+void CIHLBitmap::Draw( CBitmapContext& aContext, const TPoint& aPoint ) const
+	{
+	if( iBitmap->Handle() )
+		{
+		if( iMask->Handle() )
+			{
+			aContext.BitBltMasked( aPoint, iBitmap, iBitmap->SizeInPixels(), iMask, EFalse );
+			}
+		else
+			{
+			aContext.BitBlt( aPoint, iBitmap, iBitmap->SizeInPixels() );
+			}
+		}
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::Draw
+// -----------------------------------------------------------------------------
+void CIHLBitmap::Draw( CBitmapContext& aContext, const TPoint& aPoint,
+                       const TRect& aSourceRect ) const
+	{
+	if( iBitmap->Handle() )
+		{
+		if( iMask->Handle() )
+			{
+			aContext.BitBltMasked( aPoint, iBitmap, aSourceRect, iMask, EFalse );
+			}
+		else
+			{
+			aContext.BitBlt( aPoint, iBitmap, aSourceRect );
+			}
+		}
+	}
+
+// Internal interface
+// -----------------------------------------------------------------------------
+// CIHLBitmap::SetFilename
+// -----------------------------------------------------------------------------
+CFbsBitmap& CIHLBitmap::BitmapModifyable()
+	{
+	return *iBitmap;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::SetFilename
+// -----------------------------------------------------------------------------
+CFbsBitmap& CIHLBitmap::MaskModifyable()
+	{
+	return *iMask;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::SetEditorPtr
+// -----------------------------------------------------------------------------
+void CIHLBitmap::SetEditorPtr( const TAny* aEditorPtr )
+	{
+	iEditorPtr = aEditorPtr;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::SetEditorValue
+// -----------------------------------------------------------------------------
+void CIHLBitmap::SetEditorValue( TInt aEditorValue )
+	{
+	iEditorValue = aEditorValue;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::EditorPtr
+// -----------------------------------------------------------------------------
+const TAny* CIHLBitmap::EditorPtr() const
+	{
+	return iEditorPtr;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::FrameIndex
+// -----------------------------------------------------------------------------
+TInt CIHLBitmap::EditorValue() const
+	{
+	return iEditorValue;
+	}
+
+// Private methods
+// -----------------------------------------------------------------------------
+// CIHLBitmap::CopyBitmap
+// -----------------------------------------------------------------------------
+TInt CIHLBitmap::CopyBitmap( const CFbsBitmap& aSource, CFbsBitmap& aDestination )
+	{
+	TSize size( aSource.SizeInPixels() );
+	TDisplayMode displayMode( aSource.DisplayMode() );
+	TInt err( aDestination.Create( size, displayMode ) );
+	if( !err )
+		{
+		err = CopyBitmapData( aSource, aDestination, size, displayMode );
+		if( err )
+			{
+			aDestination.Reset();
+			}
+		}
+	return err;
+	}
+
+// -----------------------------------------------------------------------------
+// CIHLBitmap::CopyBitmapData
+// -----------------------------------------------------------------------------
+TInt CIHLBitmap::CopyBitmapData( const CFbsBitmap& aSource, CFbsBitmap& aDestination,
+								 const TSize& aSize, const TDisplayMode& aDisplayMode )
+	{
+	HBufC8* scanLine = HBufC8::New( aSource.ScanLineLength( aSize.iWidth, aDisplayMode ) );
+	if( scanLine )
+		{
+		TPtr8 scanPtr( scanLine->Des() );
+		TPoint pp;
+		for( pp.iY = 0; pp.iY < aSize.iHeight; ++pp.iY )
+			{
+			aSource.GetScanLine( scanPtr, pp, aSize.iWidth, aDisplayMode );
+			aDestination.SetScanLine( scanPtr, pp.iY );
+			}
+
+		delete scanLine;
+		return KErrNone;
+		}
+	return KErrNoMemory; // scanLine alloc failed
+	}
+
+//  End of File