uifw/ganes/src/HgVgSkinRenderer.cpp
changeset 0 2f259fa3e83a
child 3 8ca85d2f0db7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/ganes/src/HgVgSkinRenderer.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,144 @@
+/*
+* 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 "HgVgSkinRenderer.h"
+#include "HgVgHelper.h"
+#include "HgVgDrawBuffer.h"
+
+#include <ganes.mbg>
+#include <AknIconUtils.h>
+#include <avkon.mbg>
+#include <AknsDrawUtils.h>
+#include <touchfeedback.h>
+#include <gulicon.h>
+#include <AknUtils.h>
+#include <layoutmetadata.cdl.h>
+#include <AknLayout2ScalableDef.h>
+#include <e32math.h>
+#include <gulcolor.h>
+
+#include <AknsDrawUtils.h>
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+// -----------------------------------------------------------------------------
+// CHgVgSkinRenderer::NewL()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CHgVgSkinRenderer* CHgVgSkinRenderer::NewL(const TRect& aRect)
+    {
+    CHgVgSkinRenderer* self = new ( ELeave ) CHgVgSkinRenderer(aRect);
+    CleanupStack::PushL (self );
+    self->ConstructL();
+    CleanupStack::Pop ( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CHgVgSkinRenderer::ConstructL()
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CHgVgSkinRenderer::ConstructL ()
+    {
+        
+    iDrawBuffer = CHgVgDrawBuffer::NewL( TSize(iRect.Width(), iRect.Height()), EColor64K );
+
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CHgVgSkinRenderer::CHgVgSkinRenderer()
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CHgVgSkinRenderer::CHgVgSkinRenderer(const TRect& aRect) : iRect(aRect)
+    {
+    
+    }
+        
+// -----------------------------------------------------------------------------
+// CHgVgSkinRenderer::~CHgVgSkinRenderer()
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CHgVgSkinRenderer::~CHgVgSkinRenderer ( )
+    {
+
+    delete iDrawBuffer;
+    
+    vgDestroyImage(iSkinImage);
+
+    }
+
+// -----------------------------------------------------------------------------
+// CHgVgSkinRenderer::UpdateSkin()
+// Updates skin image.
+// -----------------------------------------------------------------------------
+//
+void CHgVgSkinRenderer::UpdateSkinL(const MObjectProvider* aProvider, 
+        const CCoeControl* aControl)
+    {
+    // render skin to draw buffer
+    MAknsSkinInstance* skin = AknsUtils::SkinInstance();
+    MAknsControlContext* cc = AknsDrawUtils::ControlContext( aProvider );
+    AknsDrawUtils::DrawBackground( skin, cc, aControl, iDrawBuffer->Gc(), TPoint(0,0), 
+            aControl->Rect(), KAknsDrawParamDefault );
+
+    // destroy old vg image
+    if (iSkinImage != VG_INVALID_HANDLE)
+        {
+        vgDestroyImage(iSkinImage);
+        iSkinImage = VG_INVALID_HANDLE;
+        }
+
+    // create new image for the skin
+    iSkinImage = vgCreateImage(VG_sRGB_565, 
+            iRect.Width(), iRect.Height(), 
+            VG_IMAGE_QUALITY_NONANTIALIASED);
+    
+    // handle out of memory
+    VGErrorCode error = vgGetError();
+    if (iSkinImage == VG_INVALID_HANDLE || error == VG_OUT_OF_MEMORY_ERROR)
+        {
+        User::Leave(KErrNoMemory);
+        }
+            
+    // Copy to draw buffer to vg image
+    iDrawBuffer->GetDrawBufferToVgImage(TRect(TPoint(0,0), TPoint(iRect.Width(), iRect.Height())), 
+            TPoint(0,0), iSkinImage, VG_sRGB_565);    
+    }
+
+void CHgVgSkinRenderer::SetRect( const TRect& aRect )
+    {
+    iRect = aRect;
+    }
+
+// -----------------------------------------------------------------------------
+// CHgVgSkinRenderer::Draw
+// Draws skin.
+// -----------------------------------------------------------------------------
+//
+void CHgVgSkinRenderer::Draw() const
+    {
+    HgVgHelper::DrawImage(iSkinImage, TPoint(0, 0), iRect);
+    }
+
+// End of File