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/*
*
* Conky, a system monitor, based on torsmo
*
* Any original torsmo code is licensed under the BSD license
*
* All code written since the fork of torsmo is licensed under the GPL
*
* Please see COPYING for details
*
* Copyright (c) 2005-2024 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
* This program 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.
*
* This program 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 "catch2/catch.hpp"
#include <conky.h>
#include <content/colours.hh>
#include <content/gradient.hh>
#include <iomanip>
#include <iostream>
const int width = 4;
const Colour colour = Colour::from_argb32(0xff996633); // brown
const long expected_hue = 256;
const long expected_value = 0x99; // max(0x99, 0x66, 0x33)
const long expected_chroma = 0x66; // (0x99 - 0x33)
const long expected_luma = 20712665L;
const long expected_saturation = 122880L;
const long expected_red = 0x99;
const long expected_green = 0x66;
const long expected_blue = 0x33;
const long full_scale = conky::gradient_factory::SCALE360;
std::ostream& operator<<(std::ostream& s, const Colour& c) {
s << '#';
s << std::setfill('0');
s << std::setw(2);
s << std::setbase(16);
s << (int)c.alpha << (int)c.red << (int)c.green << (int)c.blue;
return s;
}
TEST_CASE("gradient_factory::convert_from_rgb returns correct value") {
#ifdef BUILD_X11
state = nullptr;
#endif
SECTION("rgb_gradient_factory") {
auto factory = new conky::rgb_gradient_factory(width, colour, colour);
long result[3];
factory->convert_from_rgb(colour, result);
SECTION("red") { REQUIRE(result[0] == expected_red * full_scale); }
SECTION("green") { REQUIRE(result[1] == expected_green * full_scale); }
SECTION("blue") { REQUIRE(result[2] == expected_blue * full_scale); }
delete factory;
}
SECTION("hsv_gradient_factory") {
auto factory = new conky::hsv_gradient_factory(width, colour, colour);
long result[3];
factory->convert_from_rgb(colour, result);
SECTION("hue") { REQUIRE(result[0] == expected_hue * 60); }
SECTION("saturation") { REQUIRE(result[1] == expected_saturation); }
SECTION("value") { REQUIRE(result[2] == expected_value * full_scale); }
delete factory;
}
SECTION("hcl_gradient_factory") {
auto factory = new conky::hcl_gradient_factory(width, colour, colour);
long result[3];
factory->convert_from_rgb(colour, result);
SECTION("hue") { REQUIRE(result[0] == expected_hue * 60); }
SECTION("chroma") { REQUIRE(result[1] == expected_chroma * full_scale); }
SECTION("luma") { REQUIRE(result[2] == expected_luma); }
delete factory;
}
}
TEST_CASE(
"gradient_factory should convert to and from rgb "
"and get the initial value") {
SECTION("rgb_gradient_factory") {
long tmp[3];
auto factory = new conky::rgb_gradient_factory(width, colour, colour);
factory->convert_from_rgb(colour, tmp);
auto result = factory->convert_to_rgb(tmp);
REQUIRE(result == colour);
delete factory;
}
SECTION("hsv_gradient_factory") {
long tmp[3];
auto factory = new conky::hsv_gradient_factory(width, colour, colour);
factory->convert_from_rgb(colour, tmp);
auto result = factory->convert_to_rgb(tmp);
REQUIRE(result == colour);
delete factory;
}
SECTION("hcl_gradient_factory") {
long tmp[3];
auto factory = new conky::hcl_gradient_factory(width, colour, colour);
factory->convert_from_rgb(colour, tmp);
auto result = factory->convert_to_rgb(tmp);
REQUIRE(result == colour);
delete factory;
}
}
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