KisSpinBoxSplineUnitConverter.cpp

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/*
 *  SPDX-FileCopyrightText: 2019 Agata Cacko <cacko.azh@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "KisSpinBoxSplineUnitConverter.h"
#include <QtMath>
#include <kis_debug.h>
 
 
 
double KisSpinBoxSplineUnitConverter::io2sp(int x, int min, int max)
{
    int reversedRange = max - min > 0 ? 1 : -1; // tilt elevation has range (90; 0)
    int rangeLen = qAbs(max - min);
 
    double response = reversedRange * double(x - min) / rangeLen;
    return response;
}
 
int KisSpinBoxSplineUnitConverter::sp2io(double x, int min, int max)
{
    int rangeLen = max - min; // tilt elevation has range (90; 0)
    int response = qRound(x*rangeLen) + min;
 
    return response;
}