vtprotocolplugins/DisplaySink/src/CVtImageBitmap.cpp
changeset 0 ed9695c8bcbe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtprotocolplugins/DisplaySink/src/CVtImageBitmap.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,181 @@
+/*
+* 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:  Image Transforms subsystem.
+*
+*/
+
+
+// INCLUDE FILES
+
+#include <e32svr.h>
+#include <fbs.h>
+
+#include "CVtImageBitmap.h"
+
+// MACROS
+
+#ifdef _DEBUG
+#    define __IF_DEBUG(t) {RDebug::t;}
+#else
+#    define __IF_DEBUG(t)
+#endif
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::NewL( TInt aBitmapHandle )
+// -----------------------------------------------------------------------------
+EXPORT_C CVtImageBitmap* CVtImageBitmap::NewL( TInt aBitmapHandle )
+    {
+    CVtImageBitmap* self = new ( ELeave ) CVtImageBitmap();
+    CleanupStack::PushL( self );
+    self->ConstructL( aBitmapHandle );
+    CleanupStack::Pop(); // self
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::NewL( const TSize& aSize, TDisplayMode aDisplayMode )
+// -----------------------------------------------------------------------------
+EXPORT_C CVtImageBitmap* CVtImageBitmap::NewL(
+    const TSize& aSize,
+    TDisplayMode aDisplayMode )
+    {
+    CVtImageBitmap* self = new ( ELeave ) CVtImageBitmap();
+    CleanupStack::PushL( self );
+    self->ConstructL( aSize, aDisplayMode );
+    CleanupStack::Pop(); // self
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::~CVtImageBitmap()
+// -----------------------------------------------------------------------------
+EXPORT_C CVtImageBitmap::~CVtImageBitmap()
+    {
+    delete iBitmap;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::ResizeL( const TSize& aSize )
+// -----------------------------------------------------------------------------
+EXPORT_C void CVtImageBitmap::ResizeL( const TSize& aSize )
+    {
+    User::LeaveIfError( iBitmap->Resize( aSize ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::SetBitmapL( TInt aBitmapHandle )
+// -----------------------------------------------------------------------------
+EXPORT_C void CVtImageBitmap::SetBitmapL( TInt aBitmapHandle )
+    {
+    delete iBitmap;
+    iBitmap = 0;
+    ConstructL( aBitmapHandle );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::Bitmap() const
+// -----------------------------------------------------------------------------
+EXPORT_C CFbsBitmap& CVtImageBitmap::Bitmap() const
+    {
+    return *iBitmap;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::NeedHeapLock() const
+// -----------------------------------------------------------------------------
+TBool CVtImageBitmap::NeedHeapLock() const
+    {
+    return iBitmap->IsLargeBitmap();
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::DisplayMode() const
+// -----------------------------------------------------------------------------
+CVtImage::TVtDisplayMode CVtImageBitmap::DisplayMode() const
+    {
+    return CVtImage::DisplayModeToVtDisplayMode( iBitmap->DisplayMode() );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::Size() const
+// -----------------------------------------------------------------------------
+TSize CVtImageBitmap::Size() const
+    {
+    return iBitmap->SizeInPixels();
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::BytesPerRow() const
+// -----------------------------------------------------------------------------
+TInt CVtImageBitmap::BytesPerRow() const
+    {
+    return iBitmap->ScanLineLength( Size().iWidth, iBitmap->DisplayMode() );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::DataAddress() const
+// -----------------------------------------------------------------------------
+TUint32* CVtImageBitmap::DataAddress() const
+    {
+    return iBitmap->DataAddress();
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::LineAddress( TInt aLine ) const
+// -----------------------------------------------------------------------------
+TUint32* CVtImageBitmap::LineAddress( TInt aLine ) const
+    {
+    if( aLine < 0 )
+        {
+        aLine = 0;
+        }
+    else if( aLine > Size().iHeight - 1 )
+        {
+        aLine = Size().iHeight - 1;
+        }
+    return reinterpret_cast< TUint32* >(
+        reinterpret_cast< TUint8* >( DataAddress() ) + BytesPerRow() * aLine );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::CVtImageBitmap()
+// -----------------------------------------------------------------------------
+CVtImageBitmap::CVtImageBitmap()
+: CVtImage( CVtImage::EVtImageBitmap )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::ConstructL( const TSize& aSize, TDisplayMode aDisplayMode )
+// -----------------------------------------------------------------------------
+void CVtImageBitmap::ConstructL( const TSize& aSize, TDisplayMode aDisplayMode )
+    {
+    iBitmap = new ( ELeave ) CFbsBitmap();
+    User::LeaveIfError( iBitmap->Create( aSize, aDisplayMode ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtImageBitmap::ConstructL( TInt aBitmapHandle )
+// -----------------------------------------------------------------------------
+void CVtImageBitmap::ConstructL( TInt aBitmapHandle  )
+    {
+    iBitmap = new ( ELeave ) CFbsBitmap();
+    User::LeaveIfError( iBitmap->Duplicate( aBitmapHandle ) );
+    }
+
+// End of File
+
+