/usr/include/qwt/qwt_clipper.h is in libqwt-dev 6.0.0-1.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_CLIPPER_H
#define QWT_CLIPPER_H
#include "qwt_global.h"
#include "qwt_interval.h"
#include <qpolygon.h>
#include <qvector.h>
class QRect;
class QRectF;
/*!
\brief Some clipping algos
*/
class QWT_EXPORT QwtClipper
{
public:
static QPolygon clipPolygon( const QRect &,
const QPolygon &, bool closePolygon = false );
static QPolygonF clipPolygonF( const QRectF &,
const QPolygonF &, bool closePolygon = false );
static QVector<QwtInterval> clipCircle(
const QRectF &, const QPointF &, double radius );
};
#endif
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