TernaryConstants.cpp

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/****************************************************************************
**
** This file is part of the KD Chart library.
**
** SPDX-FileCopyrightText: 2001 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: MIT
**
****************************************************************************/
 
#include "TernaryConstants.h"
 
#include <cmath>
 
using namespace std;
 
using namespace std;
 
extern const qreal Sqrt3 = sqrt(3.0);
extern const qreal TriangleWidth = 1.0;
extern const qreal TriangleHeight = 0.5 * Sqrt3;
extern const QPointF TriangleTop(0.5, TriangleHeight);
extern const QPointF TriangleBottomLeft(0.0, 0.0);
extern const QPointF TriangleBottomRight(1.0, 0.0);
extern const QPointF AxisVector_C_A(TriangleTop - TriangleBottomRight);
extern const QPointF Norm_C_A(-AxisVector_C_A.y(), AxisVector_C_A.x());
extern const QPointF AxisVector_B_A(TriangleTop);
extern const QPointF Norm_B_A(-AxisVector_B_A.y(), AxisVector_B_A.x());
extern const QPointF AxisVector_B_C(TriangleBottomRight);
extern const QPointF Norm_B_C(-AxisVector_B_C.y(), AxisVector_B_C.x());
 
extern const qreal RelMarkerLength = 0.03 * TriangleWidth;
extern const QPointF FullMarkerDistanceBC(RelMarkerLength *Norm_B_C);
extern const QPointF FullMarkerDistanceAC(-RelMarkerLength *Norm_C_A);
extern const QPointF FullMarkerDistanceBA(RelMarkerLength *Norm_B_A);