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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 "GfxRoundRectangleIteratorP.h"
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#include "GfxRoundRectangle2D.h"
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// CGfxRoundRectangleIteratorP::CGfxRoundRectangleIteratorP( TGfxRoundRectangle2D* aRoundRect,
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// ---------------------------------------------------------------------------
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CGfxRoundRectangleIteratorP::CGfxRoundRectangleIteratorP( TGfxRoundRectangle2D* aRoundRect,
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TGfxAffineTransform* aAffine )
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: iRoundRect( aRoundRect )
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{
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iTransform = aAffine;
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TFloatFixPt invalid( -1 );
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TFloatFixPt KZero;
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iRx = aRoundRect->iArcWidth;
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iRy = aRoundRect->iArcHeight;
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if ( ( ( iRx == invalid ) && ( iRy == invalid ) ) ||
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( iRx < invalid ) || ( iRy < invalid ) )
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{
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iRx = KZero;
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iRy = KZero;
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}
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else if ( iRx == invalid )
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{
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iRx = iRy;
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}
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else if ( iRy == invalid )
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{
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iRy = iRx;
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}
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if ( aRoundRect->iWidth < KZero )
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aRoundRect->iWidth = KZero;
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if ( aRoundRect->iHeight < KZero )
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aRoundRect->iHeight = KZero;
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#ifdef SVG_FLOAT_BUILD
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TFloatFixPt hw = aRoundRect->iWidth * TFloatFixPt(.5f);
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TFloatFixPt hh = aRoundRect->iHeight * TFloatFixPt(.5f);
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#else
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TFloatFixPt hw = aRoundRect->iWidth >> 1;
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TFloatFixPt hh = aRoundRect->iHeight >> 1;
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#endif
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if ( iRx > hw )
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iRx = hw;
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if ( iRy > hh )
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iRy = hh;
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aRoundRect->iArcWidth = iRx;
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aRoundRect->iArcHeight = iRy;
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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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// CGfxRoundRectangleIteratorP::~CGfxRoundRectangleIteratorP()
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// ---------------------------------------------------------------------------
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CGfxRoundRectangleIteratorP::~CGfxRoundRectangleIteratorP()
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{
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}
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// --------------------------------------------------------------------------
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// TGfxSegType CGfxRoundRectangleIteratorP::CurrentSegment( TFloatFixPt* aCoords )
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// ---------------------------------------------------------------------------
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TGfxSegType CGfxRoundRectangleIteratorP::CurrentSegment( TFloatFixPt* aCoords )
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{
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TGfxSegType segtype;
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TInt32 pts = 1;
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switch ( iIdx )
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{
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case 0:
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aCoords[0] = iRoundRect->iX + iRx;
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aCoords[1] = iRoundRect->iY;
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segtype = EGfxSegMoveTo;
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break;
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case 1:
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aCoords[0] = iRoundRect->iX + iRoundRect->iWidth - iRx;
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aCoords[1] = iRoundRect->iY ;
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segtype = EGfxSegLineTo;
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break;
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case 2:
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aCoords[0] = iRoundRect->iX + iRoundRect->iWidth;
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aCoords[1] = iRoundRect->iY ;
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aCoords[2] = iRoundRect->iX + iRoundRect->iWidth;
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aCoords[3] = iRoundRect->iY + iRy;
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segtype = EGfxSegQuadTo;
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pts = 2;
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break;
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case 3:
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aCoords[0] = iRoundRect->iX + iRoundRect->iWidth;
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aCoords[1] = iRoundRect->iY + iRoundRect->iHeight - iRy;
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segtype = EGfxSegLineTo;
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break;
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case 4:
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aCoords[0] = iRoundRect->iX + iRoundRect->iWidth;
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aCoords[1] = iRoundRect->iY + iRoundRect->iHeight;
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aCoords[2] = iRoundRect->iX + iRoundRect->iWidth - iRx;
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aCoords[3] = iRoundRect->iY + iRoundRect->iHeight;
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segtype = EGfxSegQuadTo;
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pts = 2;
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break;
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case 5:
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aCoords[0] = iRoundRect->iX + iRx;
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aCoords[1] = iRoundRect->iY + iRoundRect->iHeight;
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segtype = EGfxSegLineTo;
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break;
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case 6:
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aCoords[0] = iRoundRect->iX;
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aCoords[1] = iRoundRect->iY + iRoundRect->iHeight;
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aCoords[2] = iRoundRect->iX;
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aCoords[3] = iRoundRect->iY + iRoundRect->iHeight - iRy;
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segtype = EGfxSegQuadTo;
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pts = 2;
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break;
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case 7:
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aCoords[0] = iRoundRect->iX;
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aCoords[1] = iRoundRect->iY + iRy;
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segtype = EGfxSegLineTo;
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break;
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case 8:
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aCoords[0] = iRoundRect->iX;
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aCoords[1] = iRoundRect->iY;
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aCoords[2] = iRoundRect->iX + iRx;
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aCoords[3] = iRoundRect->iY;
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segtype = EGfxSegQuadTo;
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pts = 2;
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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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}
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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 CGfxRoundRectangleIteratorP::IsDone()
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// ---------------------------------------------------------------------------
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TBool CGfxRoundRectangleIteratorP::IsDone()
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{
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return ( iIdx > 9 );
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}
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// --------------------------------------------------------------------------
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// void CGfxRoundRectangleIteratorP::Next()
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// ---------------------------------------------------------------------------
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void CGfxRoundRectangleIteratorP::NextL()
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{
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iIdx++;
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}
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