Qwt User's Guide: qwt_clipper.h Source File

Qwt User's Guide svn
File List
00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 #ifndef QWT_CLIPPER_H
00011 #define QWT_CLIPPER_H
00012 
00013 #include "qwt_global.h"
00014 #include "qwt_interval.h"
00015 #include <qpolygon.h>
00016 #include <qvector.h>
00017 
00018 class QRect;
00019 class QRectF;
00020 
00025 class QWT_EXPORT QwtClipper
00026 {
00027 public:
00028     static QPolygon clipPolygon( const QRect &, 
00029         const QPolygon &, bool closePolygon = false );
00030     static QPolygonF clipPolygonF( const QRectF &, 
00031         const QPolygonF &, bool closePolygon = false );
00032 
00033     static QVector<QwtInterval> clipCircle(
00034         const QRectF &, const QPointF &, double radius );
00035 };
00036 
00037 #endif