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/*
* 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 2
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __BLI_COLOR_HH__
#define __BLI_COLOR_HH__
#include <iostream>
#include "BLI_math_color.h"
namespace blender {
struct Color4f {
float r, g, b, a;
Color4f() = default;
Color4f(const float *rgba) : r(rgba[0]), g(rgba[1]), b(rgba[2]), a(rgba[3])
{
}
Color4f(float r, float g, float b, float a) : r(r), g(g), b(b), a(a)
{
}
operator float *()
{
return &r;
}
operator const float *() const
{
return &r;
}
friend std::ostream &operator<<(std::ostream &stream, Color4f c)
{
stream << "(" << c.r << ", " << c.g << ", " << c.b << ", " << c.a << ")";
return stream;
}
friend bool operator==(const Color4f &a, const Color4f &b)
{
return a.r == b.r && a.g == b.g && a.b == b.b && a.a == b.a;
}
friend bool operator!=(const Color4f &a, const Color4f &b)
{
return !(a == b);
}
uint64_t hash() const
{
uint64_t x1 = *(uint32_t *)&r;
uint64_t x2 = *(uint32_t *)&g;
uint64_t x3 = *(uint32_t *)&b;
uint64_t x4 = *(uint32_t *)&a;
return (x1 * 1283591) ^ (x2 * 850177) ^ (x3 * 735391) ^ (x4 * 442319);
}
};
struct Color4b {
uint8_t r, g, b, a;
Color4b() = default;
Color4b(uint8_t r, uint8_t g, uint8_t b, uint8_t a) : r(r), g(g), b(b), a(a)
{
}
Color4b(Color4f other)
{
rgba_float_to_uchar(*this, other);
}
operator Color4f() const
{
Color4f result;
rgba_uchar_to_float(result, *this);
return result;
}
operator uint8_t *()
{
return &r;
}
operator const uint8_t *() const
{
return &r;
}
friend std::ostream &operator<<(std::ostream &stream, Color4b c)
{
stream << "(" << c.r << ", " << c.g << ", " << c.b << ", " << c.a << ")";
return stream;
}
friend bool operator==(const Color4b &a, const Color4b &b)
{
return a.r == b.r && a.g == b.g && a.b == b.b && a.a == b.a;
}
friend bool operator!=(const Color4b &a, const Color4b &b)
{
return !(a == b);
}
uint64_t hash() const
{
return ((uint64_t)r * 1283591) ^ ((uint64_t)g * 850177) ^ ((uint64_t)b * 735391) ^
((uint64_t)a * 442319);
}
};
} // namespace blender
#endif /* __BLI_COLOR_HH__ */
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