| 1 | /****************************************************************************
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| 2 | ** $Id: qpolygonscanner.h 69 2006-03-18 18:13:09Z dmik $
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| 3 | **
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| 4 | ** Definition of QPolygonScanner class
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| 5 | **
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| 6 | ** Created : 000120
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| 7 | **
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| 8 | ** Copyright (C) 1999-2000 Trolltech AS. All rights reserved.
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| 9 | **
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| 10 | ** This file is part of the kernel module of the Qt GUI Toolkit.
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| 11 | **
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| 12 | ** This file may be distributed under the terms of the Q Public License
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| 13 | ** as defined by Trolltech AS of Norway and appearing in the file
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| 14 | ** LICENSE.QPL included in the packaging of this file.
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| 15 | **
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| 16 | ** This file may be distributed and/or modified under the terms of the
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| 17 | ** GNU General Public License version 2 as published by the Free Software
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| 18 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 19 | ** packaging of this file.
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| 20 | **
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| 21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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| 22 | ** licenses may use this file in accordance with the Qt Commercial License
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| 23 | ** Agreement provided with the Software.
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| 24 | **
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| 25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 27 | **
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| 28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 29 | ** information about Qt Commercial License Agreements.
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| 30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 32 | **
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| 33 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 34 | ** not clear to you.
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| 35 | **
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| 36 | **********************************************************************/
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| 37 |
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| 38 | #ifndef QPOLYGONSCANNER_H
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| 39 | #define QPOLYGONSCANNER_H
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| 40 |
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| 41 | #ifndef QT_H
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| 42 | #include "qglobal.h"
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| 43 | #endif // QT_H
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| 44 |
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| 45 | class QPointArray;
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| 46 | class QPoint;
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| 47 |
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| 48 | class Q_EXPORT QPolygonScanner {
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| 49 | public:
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| 50 | // BIC: fix for 3.0
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| 51 | void scan( const QPointArray& pa, bool winding, int index=0, int npoints=-1 );
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| 52 | void scan( const QPointArray& pa, bool winding, int index, int npoints, bool stitchable );
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| 53 | enum Edge { Left=1, Right=2, Top=4, Bottom=8 };
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| 54 | void scan( const QPointArray& pa, bool winding, int index, int npoints, Edge edges );
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| 55 | virtual void processSpans( int n, QPoint* point, int* width )=0;
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| 56 | };
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| 57 |
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| 58 | #endif // QPOLYGONSCANNER_H
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