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/*
Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
This file is part of Magnum.
Magnum is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 3
only, as published by the Free Software Foundation.
Magnum 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 Lesser General Public License version 3 for more details.
*/
#include "ColorTest.h"
#include <sstream>
#include <Utility/Configuration.h>
#include "Color.h"
CORRADE_TEST_MAIN(Magnum::Test::ColorTest)
using namespace Corrade::Utility;
namespace Magnum { namespace Test {
typedef Magnum::Color3<std::uint8_t> Color3;
typedef Magnum::Color4<std::uint8_t> Color4;
typedef Magnum::Color3<float> Color3f;
typedef Magnum::Color4<float> Color4f;
ColorTest::ColorTest() {
addTests(&ColorTest::access,
&ColorTest::fromDenormalized,
&ColorTest::fromNormalized,
&ColorTest::fromHue,
&ColorTest::fromSaturation,
&ColorTest::fromValue,
&ColorTest::hue,
&ColorTest::saturation,
&ColorTest::value,
&ColorTest::hsv,
&ColorTest::hsvOverflow,
&ColorTest::hsvAlpha,
&ColorTest::debug,
&ColorTest::configuration);
}
void ColorTest::access() {
Color3f c3(15, 255, 10);
const Color3f cc3(15, 255, 10);
CORRADE_COMPARE(c3.r(), 15);
CORRADE_COMPARE(c3.g(), 255);
CORRADE_COMPARE(c3.b(), 10);
CORRADE_COMPARE(cc3.r(), 15);
CORRADE_COMPARE(cc3.g(), 255);
CORRADE_COMPARE(cc3.b(), 10);
Color4 c4(125, 98, 51, 22);
const Color4f cc4(125, 98, 51, 22);
CORRADE_COMPARE(c4.r(), 125);
CORRADE_COMPARE(c4.g(), 98);
CORRADE_COMPARE(c4.b(), 51);
CORRADE_COMPARE(c4.a(), 22);
CORRADE_COMPARE(cc4.r(), 125);
CORRADE_COMPARE(cc4.g(), 98);
CORRADE_COMPARE(cc4.b(), 51);
CORRADE_COMPARE(cc4.a(), 22);
}
void ColorTest::fromDenormalized() {
CORRADE_COMPARE(Color3f::fromDenormalized(Color3(75, 115, 224)), Color3f(0.294118, 0.45098, 0.878431));
}
void ColorTest::fromNormalized() {
CORRADE_COMPARE(Color3::fromNormalized(Color3f(0.294118, 0.45098, 0.878431)), Color3(75, 115, 224));
}
void ColorTest::fromHue() {
CORRADE_COMPARE(Color3::fromHSV(27.0f, 1.0f, 1.0f), Color3(255, 115, 0));
CORRADE_COMPARE(Color3::fromHSV(86.0f, 1.0f, 1.0f), Color3(145, 255, 0));
CORRADE_COMPARE(Color3::fromHSV(134.0f, 1.0f, 1.0f), Color3(0, 255, 60));
CORRADE_COMPARE(Color3::fromHSV(191.0f, 1.0f, 1.0f), Color3(0, 208, 255));
CORRADE_COMPARE(Color3::fromHSV(269.0f, 1.0f, 1.0f), Color3(123, 0, 255));
CORRADE_COMPARE(Color3::fromHSV(317.0f, 1.0f, 1.0f), Color3(255, 0, 183));
}
void ColorTest::hue() {
CORRADE_COMPARE(Color3(255, 115, 0).hue(), 27.058824f);
CORRADE_COMPARE(Color3(145, 255, 0).hue(), 85.882353f);
CORRADE_COMPARE(Color3(0, 255, 60).hue(), 134.11765f);
CORRADE_COMPARE(Color3(0, 208, 255).hue(), 191.05882f);
CORRADE_COMPARE(Color3(123, 0, 255).hue(), 268.94117f);
CORRADE_COMPARE(Color3(255, 0, 183).hue(), 316.94117f);
}
void ColorTest::fromSaturation() {
CORRADE_COMPARE(Color3::fromHSV(0.0f, 0.702f, 1.0f), Color3(255, 76, 76));
}
void ColorTest::saturation() {
CORRADE_COMPARE(Color3(255, 76, 76).saturation(), 0.701961f);
CORRADE_COMPARE(Color3().saturation(), 0.0f);
}
void ColorTest::fromValue() {
CORRADE_COMPARE(Color3::fromHSV(0.0f, 1.0f, 0.522f), Color3(133, 0, 0));
}
void ColorTest::value() {
CORRADE_COMPARE(Color3(133, 0, 0).value(), 0.521569f);
}
void ColorTest::hsv() {
CORRADE_COMPARE(Color3::fromHSV(230.0f, 0.749f, 0.427f), Color3(27, 41, 109));
float hue, saturation, value;
std::tie(hue, saturation, value) = Color3(27, 41, 109).toHSV();
CORRADE_COMPARE(hue, 229.756106f);
CORRADE_COMPARE(saturation, 0.752294f);
CORRADE_COMPARE(value, 0.427451f);
}
void ColorTest::hsvOverflow() {
CORRADE_COMPARE(Color3::fromHSV(27.0f-360.0f, 1.0f, 1.0f), Color3(255, 115, 0));
CORRADE_COMPARE(Color3::fromHSV(86.0f-360.0f, 1.0f, 1.0f), Color3(145, 255, 0));
CORRADE_COMPARE(Color3::fromHSV(134.0f-360.0f, 1.0f, 1.0f), Color3(0, 255, 60));
CORRADE_COMPARE(Color3::fromHSV(191.0f-360.0f, 1.0f, 1.0f), Color3(0, 208, 255));
CORRADE_COMPARE(Color3::fromHSV(269.0f-360.0f, 1.0f, 1.0f), Color3(123, 0, 255));
CORRADE_COMPARE(Color3::fromHSV(317.0f-360.0f, 1.0f, 1.0f), Color3(255, 0, 183));
CORRADE_COMPARE(Color3::fromHSV(360.0f+27.0f, 1.0f, 1.0f), Color3(255, 115, 0));
CORRADE_COMPARE(Color3::fromHSV(360.0f+86.0f, 1.0f, 1.0f), Color3(145, 255, 0));
CORRADE_COMPARE(Color3::fromHSV(360.0f+134.0f, 1.0f, 1.0f), Color3(0, 255, 60));
CORRADE_COMPARE(Color3::fromHSV(360.0f+191.0f, 1.0f, 1.0f), Color3(0, 208, 255));
CORRADE_COMPARE(Color3::fromHSV(360.0f+269.0f, 1.0f, 1.0f), Color3(123, 0, 255));
CORRADE_COMPARE(Color3::fromHSV(360.0f+317.0f, 1.0f, 1.0f), Color3(255, 0, 183));
}
void ColorTest::hsvAlpha() {
CORRADE_COMPARE(Color4::fromHSV(std::make_tuple(230.0f, 0.749f, 0.427f), 23), Color4(27, 41, 109, 23));
CORRADE_COMPARE(Color4::fromHSV(230.0f, 0.749f, 0.427f, 23), Color4(27, 41, 109, 23));
}
void ColorTest::debug() {
std::ostringstream o;
Debug(&o) << Color3f(0.5f, 0.75f, 1.0f);
CORRADE_COMPARE(o.str(), "Vector(0.5, 0.75, 1)\n");
o.str("");
Debug(&o) << Color4f(0.5f, 0.75f, 0.0f, 1.0f);
CORRADE_COMPARE(o.str(), "Vector(0.5, 0.75, 0, 1)\n");
}
void ColorTest::configuration() {
Configuration c;
Color3f color3(0.5f, 0.75f, 1.0f);
std::string value3("0.5 0.75 1");
c.setValue("color3", color3);
CORRADE_COMPARE(c.value("color3"), value3);
CORRADE_COMPARE(c.value<Color3f>("color3"), color3);
Color4f color4(0.5f, 0.75f, 0.0f, 1.0f);
std::string value4("0.5 0.75 0 1");
c.setValue("color4", color4);
CORRADE_COMPARE(c.value("color4"), value4);
CORRADE_COMPARE(c.value<Color4f>("color4"), color4);
}
}}