nekolib/include/neko/color.hpp
2019-06-22 10:00:54 -04:00

70 lines
2.2 KiB
C++

/*
* Nekolib: An extention to the standard libraries for ease of use
* Copyright (C) 2018 Rebekah Rowe
*
* 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 <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <cstdint>
namespace neko {
// TODO, move constants to the lib
class RGBColor {
public:
// Constructors
RGBColor(uint8_t _r, uint8_t _g, uint8_t _b, uint8_t _a = 255)
: r(_r), g(_g), b(_b), a(_a) {}
uint8_t r, g, b, a;
inline bool operator==(const RGBColor& in) const {
return this->r == in.r && this->g == in.g && this->b == in.b &&
this->a == in.a;
}
// Percentage u want it to be
inline RGBColor Transparent(int p) {
return RGBColor(
this->r, this->g, this->b,
static_cast<int>(static_cast<float>(this->a) / 100) * p);
}
static RGBColor FromHSL(float h, float s, float v);
static RGBColor ToRGBA8(float r, float g, float b, float a = 1.0f) {
return RGBColor(static_cast<int>(r * 255), static_cast<int>(g * 255),
static_cast<int>(b * 255), static_cast<int>(a * 255));
};
// Static Colors
public:
static const RGBColor white;
static const RGBColor black;
static const RGBColor pink;
static const RGBColor red;
static const RGBColor blue;
static const RGBColor yellow;
static const RGBColor orange;
static const RGBColor green;
static const RGBColor gray;
static const RGBColor lightgray;
static const RGBColor darkgray;
static const RGBColor empty;
// Returns a rainbow color based on time
static RGBColor Rainbow();
static RGBColor Random();
};
} // namespace neko