ResInsight/ApplicationCode/Application/Tools/RiaColorTools.h
2019-02-21 15:42:40 +01:00

50 lines
1.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2018- Equinor ASA
// Copyright (C) 2017 Statoil ASA
//
// ResInsight 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, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#pragma once
#include "cvfBase.h"
#include "cvfArray.h"
#include <QColor>
//==================================================================================================
///
///
//==================================================================================================
class RiaColorTools
{
public:
static bool isBrightnessAboveThreshold(cvf::Color3f backgroundColor);
static cvf::Color3f computeOffsetColor(cvf::Color3f color, float offsetFactor);
static cvf::Color3f darkContrastColor();
static cvf::Color3f brightContrastColor();
static cvf::Color3f darkContrastColorSofter();
static cvf::Color3f brightContrastColorSofter();
static cvf::Color3f contrastColor(cvf::Color3f backgroundColor, bool softerContrast = false);
static QColor toQColor(cvf::Color3f color, float alpha = 1.0f);
static QColor toQColor(cvf::Color4f color);
static cvf::Color3f fromQColorTo3f(QColor);
static float contrastRatio(cvf::Color3f color1, cvf::Color3f color2);
private:
static float relativeLuminance(cvf::Color3f backgroundColor);
static float calculateNonLinearColorValue(float colorFraction);
};