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/*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBGEOMETRYUTILS_H_
#define UBGEOMETRYUTILS_H_
#include <QtGui>
class UBGeometryUtils
{
private:
UBGeometryUtils();
virtual ~UBGeometryUtils();
public:
static QPolygonF lineToPolygon(const QLineF& pLine, const qreal& pWidth);
static QPolygonF lineToPolygon(const QLineF& pLine, const qreal& pStartWidth, const qreal& pEndWidth);
static QRectF lineToInnerRect(const QLineF& pLine, const qreal& pWidth);
static QPolygonF arcToPolygon(const QLineF& startRadius, qreal spanAngle, qreal width);
static QPolygonF lineToPolygon(const QPointF& pStart, const QPointF& pEnd,
const qreal& pStartWidth, const qreal& pEndWidth);
static QPointF pointConstrainedInRect(QPointF point, QRectF rect);
static QPoint pointConstrainedInRect(QPoint point, QRect rect);
static void crashPointList(QVector<QPointF> &points);
const static int centimeterGraduationHeight;
const static int halfCentimeterGraduationHeight;
const static int millimeterGraduationHeight;
const static int millimetersPerCentimeter;
const static int millimetersPerHalfCentimeter;
const static float inchSize;
};
#endif /* UBGEOMETRYUTILS_H_ */