uifw/ganes/src/HgVgSkinRenderer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:00:49 +0200
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permissions -rw-r--r--
Revision: 201003 Kit: 201005
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/*
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* Copyright (c) 2009 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 "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 FILES
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#include "HgVgSkinRenderer.h"
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#include "HgVgHelper.h"
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#include "HgVgDrawBuffer.h"
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#include <ganes.mbg>
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#include <AknIconUtils.h>
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#include <avkon.mbg>
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#include <AknsDrawUtils.h>
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#include <touchfeedback.h>
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#include <gulicon.h>
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#include <AknUtils.h>
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#include <layoutmetadata.cdl.h>
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#include <AknLayout2ScalableDef.h>
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#include <e32math.h>
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#include <gulcolor.h>
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#include <AknsDrawUtils.h>
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CHgVgSkinRenderer::NewL()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CHgVgSkinRenderer* CHgVgSkinRenderer::NewL(const TRect& aRect)
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    {
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    CHgVgSkinRenderer* self = new ( ELeave ) CHgVgSkinRenderer(aRect);
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    CleanupStack::PushL (self );
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    self->ConstructL();
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    CleanupStack::Pop ( self );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CHgVgSkinRenderer::ConstructL()
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CHgVgSkinRenderer::ConstructL ()
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    {
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    iDrawBuffer = CHgVgDrawBuffer::NewL( TSize(iRect.Width(), iRect.Height()), EColor64K );
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    }
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// -----------------------------------------------------------------------------
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// CHgVgSkinRenderer::CHgVgSkinRenderer()
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// C++ default constructor can NOT contain any code, that might leave.
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// -----------------------------------------------------------------------------
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//
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CHgVgSkinRenderer::CHgVgSkinRenderer(const TRect& aRect) : iRect(aRect)
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    {
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    }
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// -----------------------------------------------------------------------------
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// CHgVgSkinRenderer::~CHgVgSkinRenderer()
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CHgVgSkinRenderer::~CHgVgSkinRenderer ( )
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    {
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    delete iDrawBuffer;
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    vgDestroyImage(iSkinImage);
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    }
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// -----------------------------------------------------------------------------
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// CHgVgSkinRenderer::UpdateSkin()
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// Updates skin image.
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// -----------------------------------------------------------------------------
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//
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void CHgVgSkinRenderer::UpdateSkinL(const MObjectProvider* aProvider, 
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        const CCoeControl* aControl)
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    {
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    // render skin to draw buffer
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    MAknsSkinInstance* skin = AknsUtils::SkinInstance();
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    MAknsControlContext* cc = AknsDrawUtils::ControlContext( aProvider );
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    AknsDrawUtils::DrawBackground( skin, cc, aControl, iDrawBuffer->Gc(), TPoint(0,0), 
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            aControl->Rect(), KAknsDrawParamDefault );
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    // destroy old vg image
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    if (iSkinImage != VG_INVALID_HANDLE)
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        {
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        vgDestroyImage(iSkinImage);
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        iSkinImage = VG_INVALID_HANDLE;
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        }
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    // create new image for the skin
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    iSkinImage = vgCreateImage(VG_sRGB_565, 
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            iRect.Width(), iRect.Height(), 
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            VG_IMAGE_QUALITY_NONANTIALIASED);
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    // handle out of memory
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    VGErrorCode error = vgGetError();
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    if (iSkinImage == VG_INVALID_HANDLE || error == VG_OUT_OF_MEMORY_ERROR)
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        {
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        User::Leave(KErrNoMemory);
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        }
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    // Copy to draw buffer to vg image
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    iDrawBuffer->GetDrawBufferToVgImage(TRect(TPoint(0,0), TPoint(iRect.Width(), iRect.Height())), 
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            TPoint(0,0), iSkinImage, VG_sRGB_565);    
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    }
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void CHgVgSkinRenderer::SetRect( const TRect& aRect )
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    {
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    iRect = aRect;
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    }
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// -----------------------------------------------------------------------------
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// CHgVgSkinRenderer::Draw
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// Draws skin.
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// -----------------------------------------------------------------------------
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//
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void CHgVgSkinRenderer::Draw() const
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    {
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    HgVgHelper::DrawImage(iSkinImage, TPoint(0, 0), iRect);
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    }
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// End of File