svgtopt/SVG/SVGImpl/src/SVGPolylineElementImpl.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) 2003 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:  SVG Implementation source file
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 *
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*/
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#if !defined(__E32BASE_H__)
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#include <e32base.h>
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#endif
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#include "SVGPolylineElementImpl.h"
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#include "SVGElementImpl.h"
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#include "SVGDocumentImpl.h"
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#include "SVGSchemaData.h"
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#include "SVGPathDataParser.h"
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#include "GfxAffineTransform.h"
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_LIT(POINTS, "points");
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_LIT(INLINE, "inline");
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CSvgPolylineElementImpl* CSvgPolylineElementImpl::NewL(  const TUint8 aElemID,
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														CSvgDocumentImpl* aDoc )
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	{
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	CSvgPolylineElementImpl*self    = new ( ELeave )
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									  CSvgPolylineElementImpl( aDoc );
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	CleanupStack::PushL( self );
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	self->ConstructL(  aElemID );
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	CleanupStack::Pop();
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	return self;
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	}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CSvgPolylineElementImpl* CSvgPolylineElementImpl::NewLC(  const TUint8 aElemID,
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														 CSvgDocumentImpl* aDoc )
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	{
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	CSvgPolylineElementImpl*self    = new ( ELeave )
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									  CSvgPolylineElementImpl( aDoc );
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	CleanupStack::PushL( self );
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	self->ConstructL(  aElemID );
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	return self;
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	}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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void CSvgPolylineElementImpl::ConstructL(  const TUint8 aElemID )
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	{
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	CSvgElementImpl::InitializeL(  aElemID );
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	 iSvgStyleProperties = new(ELeave) RPointerArray<CCssValue>(KCSS_MAX_ATTR);
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	 User::LeaveIfError( iSvgStyleProperties->Append( NULL ) );
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	 iSvgStyleProperties->Remove( 0 );
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    iSvgTransformable = CSvgTransformableImpl::NewL();
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	iShape = CGfxGeneralPath::NewL();
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	iReqAttrFlag=KSVG_POLYLINE_ELEMFLAG;
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	}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CSvgPolylineElementImpl::~CSvgPolylineElementImpl()
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    {
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	if ( iShape )
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		{
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		delete iShape;
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		iShape = NULL;
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        }
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    if ( iSvgStyleProperties )
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		{
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		iSvgStyleProperties->Close();
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		delete iSvgStyleProperties;
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		iSvgStyleProperties = NULL;
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		}
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    }
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// *******************************************************
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// From MXmlElement
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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TInt CSvgPolylineElementImpl::SetAttributeL( const TDesC& aName,
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                                             const TDesC& aValue )
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    {
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	CSvgElementImpl::SetAttributeL(aName,aValue);
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	if( aName == POINTS )
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		{
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parents:
diff changeset
   116
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   117
		iReqAttrFlag = 0;
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parents:
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   118
		TSvgPathDataParser::ParsePointDataL( aValue,
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parents:
diff changeset
   119
															 iShape );
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parents:
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   120
				// Polyline does not close a path.
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parents:
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   121
		if(this->ElemID() == KSvgPolygonElement )
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parents:
diff changeset
   122
			{
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parents:
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   123
			iShape->ClosePathL();
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parents:
diff changeset
   124
			}
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parents:
diff changeset
   125
		}
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parents:
diff changeset
   126
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parents:
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   127
	return KErrNone;
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parents:
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   128
    }
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parents:
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   129
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   130
// From MXmlElementOpt
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parents:
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   131
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   132
// ---------------------------------------------------------------------------
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   133
//
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   134
// ---------------------------------------------------------------------------
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   135
TInt CSvgPolylineElementImpl::GetAttributeFloat( const TInt aNameId,
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   136
                                                 TFloatFixPt& aValue )
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parents:
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   137
    {
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   138
    switch ( aNameId )
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   139
        {
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   140
        case KAtrRefX:
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   141
        aValue = iShape->PointCoordsArray()[0];
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   142
        break;
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parents:
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   143
        case KAtrRefY:
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parents:
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   144
        aValue = iShape->PointCoordsArray()[1];
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parents:
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   145
        break;
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parents:
diff changeset
   146
        default:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   147
        return CSvgElementImpl::GetAttributeFloat( aNameId, aValue );
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parents:
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   148
        }
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parents:
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   149
    return KErrNone;
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parents:
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   150
    }
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parents:
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   151
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parents:
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   152
// ---------------------------------------------------------------------------
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parents:
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   153
//
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parents:
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   154
// ---------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   155
TInt CSvgPolylineElementImpl::GetAttributePath( const TInt aNameId,
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parents:
diff changeset
   156
                                                CGfxGeneralPath*& aValue )
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parents:
diff changeset
   157
    {
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parents:
diff changeset
   158
    if ( aNameId == KAtrPoints )
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parents:
diff changeset
   159
        {
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parents:
diff changeset
   160
        aValue = iShape;
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parents:
diff changeset
   161
        }
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parents:
diff changeset
   162
    else
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parents:
diff changeset
   163
        {
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parents:
diff changeset
   164
        aValue = NULL;
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parents:
diff changeset
   165
        return KErrNoAttribute;
d46562c3d99d Revision: 200951
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parents:
diff changeset
   166
        }
d46562c3d99d Revision: 200951
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parents:
diff changeset
   167
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parents:
diff changeset
   168
    return KErrNone;
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parents:
diff changeset
   169
    }
d46562c3d99d Revision: 200951
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parents:
diff changeset
   170
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parents:
diff changeset
   171
// ---------------------------------------------------------------------------
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parents:
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   172
//
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parents:
diff changeset
   173
// ---------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
TInt CSvgPolylineElementImpl::SetAttributePathL( const TInt aNameId,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
                                                 CGfxGeneralPath* aValue )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   176
    {
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parents:
diff changeset
   177
    if ( aNameId == KAtrPoints ) //.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   178
        {
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parents:
diff changeset
   179
        // We need to copy aValue into iShape
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parents:
diff changeset
   180
        // We should not just reassign pointers - that will cause memory leak
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parents:
diff changeset
   181
        // We will do the copy when CGfxGeneralPath implements a copy method
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parents:
diff changeset
   182
        iShape->SetPointTypeArrayL( aValue->PointTypeArray() );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
        iShape->SetPointCoordsArrayL( aValue->PointCoordsArrayAll() );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
		if( WasTurnedOff() )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
			{
d46562c3d99d Revision: 200951
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parents:
diff changeset
   186
			// turn it on. this means all the required attributes Are present and
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
			// hence we can render it.
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
			CSvgElementImpl::SetPropertyL(KCSS_ATTR_DISPLAY, INLINE);
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
			SetTurnOff( EFalse );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
			}
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
        }
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
    else
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
        {
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
        return KErrNoAttribute;
d46562c3d99d Revision: 200951
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parents:
diff changeset
   195
        }
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
	if(this->ElemID() == KSvgPolygonElement )
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
			{
d46562c3d99d Revision: 200951
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parents:
diff changeset
   198
			iShape->ClosePathL();
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
			}
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
    return KErrNone;
d46562c3d99d Revision: 200951
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parents:
diff changeset
   201
    }
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
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parents:
diff changeset
   204
// ---------------------------------------------------------------------------
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parents:
diff changeset
   205
//
d46562c3d99d Revision: 200951
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parents:
diff changeset
   206
// ---------------------------------------------------------------------------
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
TInt CSvgPolylineElementImpl::SetAttributePathRef( const TInt aNameId,
d46562c3d99d Revision: 200951
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parents:
diff changeset
   208
                                              CGfxGeneralPath*&  aValue  )
d46562c3d99d Revision: 200951
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parents:
diff changeset
   209
    {
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parents:
diff changeset
   210
    if ( aNameId == KAtrPoints )
d46562c3d99d Revision: 200951
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parents:
diff changeset
   211
        {
d46562c3d99d Revision: 200951
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parents:
diff changeset
   212
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
		if(iShape)
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
			{
d46562c3d99d Revision: 200951
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parents:
diff changeset
   215
			delete iShape;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
			iShape= NULL;
d46562c3d99d Revision: 200951
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parents:
diff changeset
   217
			}
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
		iShape= aValue;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
        }
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
    else
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
        {
d46562c3d99d Revision: 200951
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parents:
diff changeset
   223
        return KErrNoAttribute;
d46562c3d99d Revision: 200951
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parents:
diff changeset
   224
        }
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
    return KErrNone;
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
    }
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
d46562c3d99d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
d46562c3d99d Revision: 200951
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parents:
diff changeset
   230
// ---------------------------------------------------------------------------
d46562c3d99d Revision: 200951
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parents:
diff changeset
   231
//
d46562c3d99d Revision: 200951
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parents:
diff changeset
   232
// ---------------------------------------------------------------------------
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TBool CSvgPolylineElementImpl::DrawL( CGfx2dGc* aGc, CSvgElementImpl* aElement )
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    {
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    this->DrawShapeL( aGc, *iShape, aElement );
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    return ETrue;
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CSvgPolylineElementImpl::CSvgPolylineElementImpl( CSvgDocumentImpl* aDoc )
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    {
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	SetOwnerDocument(aDoc);
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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void CSvgPolylineElementImpl::GetBBox( TGfxRectangle2D& aBbox )
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    {
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    iShape->GetBounds( GetCTM(), aBbox );
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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void CSvgPolylineElementImpl::GetUnscaledBBox( TGfxRectangle2D& aBbox )
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    {
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    TGfxAffineTransform identityTx;
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    iShape->GetBounds( identityTx, aBbox );
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    }
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// ---------------------------------------------------------------------------
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// perform a deep clone of this object
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// ---------------------------------------------------------------------------
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MXmlElement* CSvgPolylineElementImpl::CloneL(MXmlElement* aParentElement)
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    {
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    // create new polyline
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    CSvgPolylineElementImpl* newElement = CSvgPolylineElementImpl::NewL( this->ElemID(), ((CSvgDocumentImpl*)iOwnerDocument) );
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	CleanupStack::PushL(newElement);
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	newElement->iParentNode = aParentElement;
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    // copy everything over
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    CopyL(newElement);
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	CleanupStack::Pop();
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    return newElement;
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    }
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// ---------------------------------------------------------------------------
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// perform a deep copy of this object
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// ---------------------------------------------------------------------------
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void CSvgPolylineElementImpl::CopyL( CSvgPolylineElementImpl* aDestElement )
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    {
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    if(aDestElement)
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		{
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	    // copy stuff from superclass
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	    CSvgElementImpl::CopyL(aDestElement);
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	    // copy iShape
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        RArray<TUint32>* lTypes = iShape->PointTypeArray();
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        RArray<TFloatFixPt>* lCoords = iShape->PointCoordsArrayAll();
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        aDestElement->iShape->SetPointTypeArrayL(lTypes);
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        aDestElement->iShape->SetPointCoordsArrayL(lCoords);
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        // copy the reference to idoc (CSvgDocumentImpl)
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	    aDestElement->iOwnerDocument = iOwnerDocument;
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		}
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    }
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void CSvgPolylineElementImpl::Print( TBool aIsEncodeOn )
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{
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	if (!aIsEncodeOn)
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	{
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	#ifdef _DEBUG
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	RArray<TUint32>* lTypes = this->iShape->PointTypeArray();
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	RArray<TFloatFixPt>* lCoords = this->iShape->PointCoordsArrayAll();
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	if (lTypes->Count() != lCoords->Count())
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	{
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		RDebug::Printf("Invalid polyline points and types didnt match", this);
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		return;
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	}
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	RDebug::Printf("<polyline points=\"", this);
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	TInt lTypesCnt = lTypes->Count();
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	for (TInt i=0; i < lTypesCnt; i++)
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	{
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		RDebug::Printf("%c ", lTypes->operator[]( i ));
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		RDebug::Printf("%d ", (int)(lCoords->operator[]( i )));
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	}
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	RDebug::Printf(" z\">", this);
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	#endif
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	}
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}
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