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src/qt/src/kernel/qpolygonscanner.h
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00001 /****************************************************************************
00002 ** $Id: qt/qpolygonscanner.h   3.3.8   edited Jan 11 14:46 $
00003 **
00004 ** Definition of QPolygonScanner class
00005 **
00006 ** Created : 000120
00007 **
00008 ** Copyright (C) 1999-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the kernel module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00022 ** licenses may use this file in accordance with the Qt Commercial License
00023 ** Agreement provided with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QPOLYGONSCANNER_H
00039 #define QPOLYGONSCANNER_H
00040 
00041 #ifndef QT_H
00042 #include "qglobal.h"
00043 #endif // QT_H
00044 
00045 class QPointArray;
00046 class QPoint;
00047 
00048 class Q_EXPORT QPolygonScanner {
00049 public:
00050     // BIC: fix for 3.0
00051     void scan( const QPointArray& pa, bool winding, int index=0, int npoints=-1 );
00052     void scan( const QPointArray& pa, bool winding, int index, int npoints, bool stitchable );
00053     enum Edge { Left=1, Right=2, Top=4, Bottom=8 };
00054     void scan( const QPointArray& pa, bool winding, int index, int npoints, Edge edges );
00055     virtual void processSpans( int n, QPoint* point, int* width )=0;
00056 };
00057 
00058 #endif // QPOLYGONSCANNER_H
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