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/*
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* Copyright (c) 2002 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: Graphics Extension Library source file
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*
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*/
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#include "GfxGeneralPathIteratorP.h"
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#include "GfxGeneralPath.h"
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// --------------------------------------------------------------------------
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// CGfxGeneralPathIteratorP::CGfxGeneralPathIteratorP( CGfxGeneralPath* aPath,
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// ---------------------------------------------------------------------------
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CGfxGeneralPathIteratorP::CGfxGeneralPathIteratorP( CGfxGeneralPath* aPath,
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TGfxAffineTransform* aTransform )
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{
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iPath = aPath;
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iTransform = aTransform;
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}
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//
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// ---------------------------------------------------------------------------
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// Destructor.
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// ---------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// CGfxGeneralPathIteratorP::~CGfxGeneralPathIteratorP()
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// ---------------------------------------------------------------------------
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CGfxGeneralPathIteratorP::~CGfxGeneralPathIteratorP()
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{
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}
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// --------------------------------------------------------------------------
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// TGfxSegType CGfxGeneralPathIteratorP::CurrentSegment( TFloatFixPt* aCoords )
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// ---------------------------------------------------------------------------
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TGfxSegType CGfxGeneralPathIteratorP::CurrentSegment( TFloatFixPt* aCoords )
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{
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TGfxSegType segtype = EGfxSegClose;
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TInt32 pts = 1;
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TFloatFixPt* pd = aCoords;
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if(iPath->iPointCoords->Count() <= 0)
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{
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return segtype;
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}
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TFloatFixPt* ps = &( iPath->iPointCoords->operator[]( 0 ) );
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switch ( ( TGfxSegType ) ( *( iPath->iPointTypes ) )[iTypeIdx] )
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{
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case EGfxSegMoveTo:
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pd[0] = ps[iPointIdx];
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pd[1] = ps[iPointIdx + 1];
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iStartPoint.iX = pd[0];
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iStartPoint.iY = pd[1];
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segtype = EGfxSegMoveTo;
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break;
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case EGfxSegLineTo:
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pd[0] = ps[iPointIdx];
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pd[1] = ps[iPointIdx + 1];
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segtype = EGfxSegLineTo;
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break;
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case EGfxSegQuadTo:
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pd[0] = ps[iPointIdx];
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pd[1] = ps[iPointIdx + 1];
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pd[2] = ps[iPointIdx + 2];
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pd[3] = ps[iPointIdx + 3];
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segtype = EGfxSegQuadTo;
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pts = 2;
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break;
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case EGfxSegCubicTo:
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pd[0] = ps[iPointIdx];
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pd[1] = ps[iPointIdx + 1];
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pd[2] = ps[iPointIdx + 2];
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pd[3] = ps[iPointIdx + 3];
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pd[4] = ps[iPointIdx + 4];
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pd[5] = ps[iPointIdx + 5];
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segtype = EGfxSegCubicTo;
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pts = 3;
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break;
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case EGfxSegClose:
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pd[0] = iStartPoint.iX;
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pd[1] = iStartPoint.iY;
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segtype = EGfxSegClose;
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break;
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default:
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segtype = EGfxSegClose;
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pts = 0;
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break;
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}
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if ( !iTransform->IsIdentity() && pts > 0 )
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{
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iTransform->Transform( aCoords, aCoords, pts );
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}
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return segtype;
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}
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// --------------------------------------------------------------------------
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// TBool CGfxGeneralPathIteratorP::IsDone()
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// ---------------------------------------------------------------------------
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TBool CGfxGeneralPathIteratorP::IsDone()
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{
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return ( iPath->iPointTypes->Count() <= iTypeIdx );
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}
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// --------------------------------------------------------------------------
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// void CGfxGeneralPathIteratorP::Next()
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// ---------------------------------------------------------------------------
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void CGfxGeneralPathIteratorP::NextL()
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{
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if ( iPath->iPointTypes->Count() <= iTypeIdx - 1 )
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{
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return;
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}
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switch ( ( TGfxSegType ) ( *( iPath->iPointTypes ) )[iTypeIdx] )
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{
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case EGfxSegMoveTo:
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iPointIdx += 2;
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break;
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case EGfxSegLineTo:
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iPointIdx += 2;
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break;
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case EGfxSegQuadTo:
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iPointIdx += 4;
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break;
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case EGfxSegCubicTo:
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iPointIdx += 6;
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break;
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default:
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break;
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}
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iTypeIdx++;
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}
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