--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/ganes/src/HgVgDrawBuffer.cpp Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+
+// INCLUDE FILES
+
+#include "HgVgDrawBuffer.h"
+
+#include <AknIconUtils.h>
+#include <AknsDrawUtils.h>
+#include <gulicon.h>
+#include <AknUtils.h>
+#include <e32math.h>
+#include <gulcolor.h>
+#include <AknsDrawUtils.h>
+#include <imageconversion.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::NewL()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CHgVgDrawBuffer* CHgVgDrawBuffer::NewL(const TSize& aBufferSize, const TDisplayMode& aMode )
+ {
+ CHgVgDrawBuffer* self = new ( ELeave ) CHgVgDrawBuffer();
+
+ CleanupStack::PushL (self );
+ self->ConstructL(aBufferSize, aMode);
+ CleanupStack::Pop ( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::ConstructL()
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CHgVgDrawBuffer::ConstructL (const TSize& aBufferSize, const TDisplayMode& aMode )
+ {
+
+ // Create draw buffer
+ iDrawBuffer = new (ELeave) CFbsBitmap();
+ iDrawBuffer->Create(aBufferSize, aMode);
+ iBufferSize = aBufferSize;
+
+ // Create device and context for drawing
+ iDevice = CFbsBitmapDevice::NewL(iDrawBuffer);
+ iDevice->CreateContext(iGc);
+
+
+ }
+
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::CHgVgDrawBuffer()
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CHgVgDrawBuffer::CHgVgDrawBuffer()
+ {
+
+ }
+
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::~CHgVgDrawBuffer()
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CHgVgDrawBuffer::~CHgVgDrawBuffer ( )
+ {
+ delete iGc; iGc = NULL;
+ delete iDevice; iDevice = NULL;
+ delete iDrawBuffer; iDrawBuffer = NULL;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::BufferSize()
+// -----------------------------------------------------------------------------
+//
+const TSize& CHgVgDrawBuffer::BufferSize() const
+{
+ return iBufferSize;
+}
+
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::Gc()
+// Gets drawcontext.
+// -----------------------------------------------------------------------------
+//
+CFbsBitGc& CHgVgDrawBuffer::Gc()
+ {
+ return *iGc;
+ }
+
+
+CFbsBitmap& CHgVgDrawBuffer::DrawBuffer()
+ {
+ return *iDrawBuffer;
+ }
+
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::Clear
+// Clear draw buffer to color
+// -----------------------------------------------------------------------------
+//
+void CHgVgDrawBuffer::Clear(const TRect& aRect,
+ const TRgb& aColor)
+ {
+ iGc->SetBrushColor(aColor);
+ iGc->Clear(aRect);
+ }
+
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::DrawText()
+// Draws text to buffer
+// -----------------------------------------------------------------------------
+//
+void CHgVgDrawBuffer::DrawText(const TDesC& aText, const CFont* aFont,
+ const TRgb& aColor, const TPoint& aPosition)
+ {
+ iGc->SetPenColor(aColor);
+ iGc->UseFont(aFont);
+ iGc->DrawText(aText, aPosition);
+ }
+
+// -----------------------------------------------------------------------------
+// CHgVgDrawBuffer::GetDrawBufferToVgImage()
+// Copies drawbuffer to vg image.
+// -----------------------------------------------------------------------------
+//
+void CHgVgDrawBuffer::GetDrawBufferToVgImage(const TRect& aSrcRect,
+ const TPoint& aDest, VGImage destImage, VGImageFormat destFormat)
+ {
+
+ iDrawBuffer->BeginDataAccess();
+ TInt stride = iDrawBuffer->DataStride();
+ TInt sizeOfPixel = stride / iBufferSize.iWidth;
+
+ TUint8* ptr = (TUint8*)iDrawBuffer->DataAddress();
+ ptr += aSrcRect.iTl.iY * stride;
+ ptr += aSrcRect.iTl.iX * sizeOfPixel;
+
+ vgImageSubData (destImage, ptr, stride, destFormat, aDest.iX, aDest.iY, aSrcRect.Width(),
+ aSrcRect.Height());
+
+ iDrawBuffer->EndDataAccess();
+
+
+ }
+
+
+
+
+// End of File