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/****************************************************************************
** Copyright (c) 2016, Adel Kara Slimane <adel.ks@zegrapher.com>
**
** This file is part of ZeGrapher's source code.
**
** ZeGrapher is free software: you may copy, redistribute and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation, either version 3 of the License, or (at your
** option) any later version.
**
** This file 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 this program. If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/
#include "Calculus/colorsaver.h"
ColorSaver::ColorSaver(QColor firstANDlast)
{
curvesNum = 1;
firstColor = firstANDlast;
lastColor = firstANDlast;
colorsList << firstANDlast;
}
QColor ColorSaver::getColor(int index)
{
return colorsList[index];
}
void ColorSaver::setCurvesNum(double num)
{
if(curvesNum != num)
{
curvesNum = num;
saveColors();
}
}
void ColorSaver::setFristColor(QColor col)
{
firstColor = col;
saveColors();
emit colorsChanged();
}
void ColorSaver::setLastColor(QColor col)
{
lastColor = col;
saveColors();
emit colorsChanged();
}
void ColorSaver::saveColors()
{
colorsList.clear();
QColor color;
double dr = lastColor.redF() - firstColor.redF();
double dg = lastColor.greenF() - firstColor.greenF();
double db = lastColor.blueF() - firstColor.blueF();
colorsList << firstColor;
for(double i = 1 ; i < curvesNum - 1 ; i++)
{
color.setRedF(dr * i / curvesNum + firstColor.redF());
color.setGreenF(dg * i / curvesNum + firstColor.greenF());
color.setBlueF(db * i / curvesNum + firstColor.blueF());
colorsList << color;
}
colorsList << lastColor;
}
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