qwt_clipper.h
/******************************************************************************
* 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"
class QwtInterval;
class QPointF;
class QRect;
class QRectF;
class QPolygon;
class QPolygonF;
#if QT_VERSION < 0x060000
template< typename T > class QVector;
#endif
namespace QwtClipper
{
QWT_EXPORT void clipPolygon( const QRect&,
QPolygon&, bool closePolygon = false );
QWT_EXPORT void clipPolygon( const QRectF&,
QPolygon&, bool closePolygon = false );
QWT_EXPORT void clipPolygonF( const QRectF&,
QPolygonF&, bool closePolygon = false );
QWT_EXPORT QPolygon clippedPolygon( const QRect&,
const QPolygon&, bool closePolygon = false );
QWT_EXPORT QPolygon clippedPolygon( const QRectF&,
const QPolygon&, bool closePolygon = false );
QWT_EXPORT QPolygonF clippedPolygonF( const QRectF&,
const QPolygonF&, bool closePolygon = false );
QWT_EXPORT QVector< QwtInterval > clipCircle(
const QRectF&, const QPointF&, double radius );
};
#endif
QVector
Definition: qwt_clipper.h:23
QwtInterval
A class representing an interval.
Definition: qwt_interval.h:23
QwtClipper
Some clipping algorithms.
Definition: qwt_clipper.h:31
QwtClipper::clipPolygon
QWT_EXPORT void clipPolygon(const QRect &, QPolygon &, bool closePolygon=false)
Definition: qwt_clipper.cpp:390
QwtClipper::clippedPolygonF
QWT_EXPORT QPolygonF clippedPolygonF(const QRectF &, const QPolygonF &, bool closePolygon=false)
Definition: qwt_clipper.cpp:455
QwtClipper::clipPolygonF
QWT_EXPORT void clipPolygonF(const QRectF &, QPolygonF &, bool closePolygon=false)
Definition: qwt_clipper.cpp:404
QwtClipper::clipCircle
QWT_EXPORT QVector< QwtInterval > clipCircle(const QRectF &, const QPointF &, double radius)
Definition: qwt_clipper.cpp:477
QwtClipper::clippedPolygon
QWT_EXPORT QPolygon clippedPolygon(const QRect &, const QPolygon &, bool closePolygon=false)
Definition: qwt_clipper.cpp:437