uifw/ganes/src/HgVgSkinRenderer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 14 Apr 2010 16:14:00 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201013 Kit: 201015
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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()), EColor16MA );
0
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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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    // 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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    // 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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    if( AknsDrawUtils::DrawBackground( skin, cc, aControl, iDrawBuffer->Gc(), TPoint(0,0), 
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            aControl->Rect(), KAknsDrawParamDefault ) )
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        {
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        // create new image for the skin
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        iSkinImage = vgCreateImage(VG_sRGBA_8888, 
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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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        if( iSkinImage == VG_INVALID_HANDLE )
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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_sARGB_8888);    
0
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        }
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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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    {
16
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    VGfloat color[] = {255,255,255,0};
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    vgSetfv(VG_CLEAR_COLOR, 4, color);
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    if(iLandscape)
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        vgClear(0, 0, iRect.Height(), iRect.Width());
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    else
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        vgClear(0, 0, iRect.Width(), iRect.Height());
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    if( iSkinImage != VG_INVALID_HANDLE )
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        HgVgHelper::DrawImage(iSkinImage, TPoint(0, 0), iRect, EFalse, iLandscape);
0
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    }
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10
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void CHgVgSkinRenderer::EnableLanscapeRendering(TBool aLandscape)
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{
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    iLandscape = aLandscape;
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}
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0
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// End of File