svgtopt/nvgdecoder/src/NVGTLVIcon.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 16:19:02 +0200
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/*
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* Copyright (c) 2008 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:  NVG Decoder source file
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*
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*/
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#include "NVGTLVIcon.h"
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#include "NVGIconData.h"
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#include "NVGUtil.h"
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#include "TLVRenderer.h" 
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#include "TLVIconCreator.h"
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#include "TLVIconRenderer.h"
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#include "OpenVGHandleStore.h"
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CNVGTLVIcon::CNVGTLVIcon()
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    : iNVGIconData(0),
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      iVGImageBinder(0)
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    {
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    }
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CNVGTLVIcon::~CNVGTLVIcon()
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    {
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    delete iNVGIconData;
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    delete iOpenVGHandles;
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    }
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CNVGTLVIcon * CNVGTLVIcon::NewL()
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    {
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    CNVGTLVIcon* self    = CNVGTLVIcon::NewLC();
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    CleanupStack::Pop(self);
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    return self;
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    }
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CNVGTLVIcon * CNVGTLVIcon::NewLC()
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    {
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    CNVGTLVIcon* self    = new (ELeave) CNVGTLVIcon;
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    return self;
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    }
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void CNVGTLVIcon::ConstructL()
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    {
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    iNVGIconData = CNVGIconData::NewL();
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    iOpenVGHandles = COpenVGHandleStore::NewL();
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    }
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TInt CNVGTLVIcon::SetPreserveAspectRatio(TInt aPreserveAspectSetting, 
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        TInt aSmilFitSetting)
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    {
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    (void)aPreserveAspectSetting;
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    (void)aSmilFitSetting;
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    return KErrNotSupported;
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    }
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TInt CNVGTLVIcon::Rotate(TReal32 aAngle, TReal32 aX, TReal32 aY) __SOFTFP
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    {
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    (void)aAngle;
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    (void)aX;
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    (void)aY;
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    return KErrNotSupported;
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    }
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TInt CNVGTLVIcon::DirectDrawL(const TDesC8& aBuf, const TSize& aTargetSize)
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    {
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    TInt error      = KErrNone;
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    CTLVRenderer * iconRenderer = CTLVRenderer::NewLC(aBuf, aTargetSize.iWidth, aTargetSize.iHeight);
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    iconRenderer->SetVGImageBinder(iVGImageBinder);
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    iconRenderer->ExecuteL();
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    CleanupStack::PopAndDestroy(iconRenderer);
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    return error;
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    }
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TInt CNVGTLVIcon::CreateL(const TDesC8& aBuf, const TSize& aTargetSize)
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    {    
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    TInt error = KErrNone;
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    CTLVIconCreator * iconCreater = CTLVIconCreator::NewLC(aBuf, aTargetSize.iWidth, aTargetSize.iHeight, this);
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    iconCreater->ExecuteL();
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    CleanupStack::PopAndDestroy(iconCreater);
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    return error;
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    }
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TInt CNVGTLVIcon::Draw(const TSize aSize, CNvgEngine * aNVGEngine)
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    {
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    TInt error = KErrNone;
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    iNVGEngine = aNVGEngine;
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    UpdateClientMatrices();
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    TRAP(error, DoDrawL(aSize));
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    RestoreClientMatrices();
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    return error;
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    }
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TInt CNVGTLVIcon::DoDrawL(const TSize aSize)
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    {    
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    TPtr8 bufPtr = ((HBufC8 *)(iNVGIconData->GetNVGData()))->Des();
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    CTLVRenderer * iconRenderer = CTLVIconRenderer::NewLC(bufPtr, aSize.iWidth, aSize.iHeight);
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    iconRenderer->SetVGImageBinder(iVGImageBinder);
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#ifndef __MIRROR_
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    vgScale(1.0f, -1.0f);
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    vgTranslate(0, (VGfloat)(-aSize.iHeight));
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#endif
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    iconRenderer->ExecuteL();
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    CleanupStack::PopAndDestroy(iconRenderer);
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    return KErrNone;
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    }
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void CNVGTLVIcon::AddDrawPathCommandL(VGPath aPath, VGPaintMode aPaintMode)
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    {
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    iOpenVGHandles->AddPathDHL(aPath);
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    iNVGIconData->EncodeInt8L(EPath);
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    iNVGIconData->EncodeInt32L(aPath);
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    iNVGIconData->EncodeInt32L(aPaintMode);
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    }
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void CNVGTLVIcon::AddCommandL(const TUint8 * aCommandBuffer, TInt aCommandBufferLength)
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    {
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    iNVGIconData->EncodeDataL(aCommandBuffer, aCommandBufferLength);
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    }
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void CNVGTLVIcon::AddCommandL(TInt8 aCommandType, const TUint8 * aCommandBuffer, TInt aCommandBufferLength)
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    {
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    iNVGIconData->EncodeInt8L(aCommandType);
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    iNVGIconData->EncodeDataL(aCommandBuffer, aCommandBufferLength);
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    }
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void CNVGTLVIcon::UpdateClientMatrices()
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    {    
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    iMatrixMode = vgGeti(VG_MATRIX_MODE);
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    vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
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    vgGetMatrix(iPathMatrix);
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    vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
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    vgGetMatrix(iImageMatrix);
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    vgSeti(VG_MATRIX_MODE, iMatrixMode);
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    }
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void CNVGTLVIcon::RestoreClientMatrices()
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    {
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    vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
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    vgLoadMatrix(iPathMatrix);
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    vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
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    vgLoadMatrix(iImageMatrix);    
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    vgSeti(VG_MATRIX_MODE, iMatrixMode);
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    }