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/*
* DISTRHO Plugin Framework (DPF)
* Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with
* or without fee is hereby granted, provided that the above copyright notice and this
* permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "../Color.hpp"
#include "nanovg/nanovg.h"
START_NAMESPACE_DGL
// -----------------------------------------------------------------------
Color::Color() noexcept
: red(1.0f), green(1.0f), blue(1.0f), alpha(1.0f) {}
Color::Color(const int r, const int g, const int b, const int a) noexcept
: red(static_cast<float>(r)/255.0f), green(static_cast<float>(g)/255.0f), blue(static_cast<float>(b)/255.0f), alpha(static_cast<float>(a)/255.0f) {}
Color::Color(const float r, const float g, const float b, const float a) noexcept
: red(r), green(g), blue(b), alpha(a) {}
Color::Color(const Color& color) noexcept
: red(color.red), green(color.green), blue(color.blue), alpha(color.alpha) {}
Color::Color(const Color& color1, const Color& color2, const float u) noexcept
: red(color1.red), green(color1.green), blue(color1.blue), alpha(color1.alpha)
{
interpolate(color2, u);
}
void Color::interpolate(const Color& other, const float u) noexcept
{
const float u2 = (u < 0.0f) ? 0.0f : ((u > 1.0f) ? 1.0f : u);
const float oneMinusU = 1.0f - u;
red = red * oneMinusU + other.red * u2;
green = green * oneMinusU + other.green * u2;
blue = blue * oneMinusU + other.blue * u2;
alpha = alpha * oneMinusU + other.alpha * u2;
}
Color Color::HSL(const float hue, const float saturation, const float lightness, const int alpha)
{
return nvgHSLA(hue, saturation, lightness, alpha);
}
Color::Color(const NVGcolor& c) noexcept
: red(c.r), green(c.g), blue(c.b), alpha(c.a) {}
Color::operator NVGcolor() const noexcept
{
NVGcolor nc;
nc.r = red;
nc.g = green;
nc.b = blue;
nc.a = alpha;
return nc;
}
Color& Color::operator=(const Color& color) noexcept
{
red = color.red;
green = color.green;
blue = color.blue;
alpha = color.alpha;
return *this;
}
bool Color::operator==(const Color& color) noexcept
{
return (red == color.red && green == color.green && blue == color.blue && alpha == color.alpha);
}
bool Color::operator!=(const Color& color) noexcept
{
return (red != color.red || green != color.green || blue != color.blue || alpha != color.alpha);
}
// -----------------------------------------------------------------------
END_NAMESPACE_DGL
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