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/************************************************************************
*
* Copyright (C) 2009-2025 IRCAD France
* Copyright (C) 2012-2020 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "data/color.hpp"
#include "data/registry/macros.hpp"
#include <data/tools/color.hpp>
#include <regex>
SIGHT_REGISTER_DATA(sight::data::color);
namespace sight::data
{
//------------------------------------------------------------------------------
color::color()
{
this->value().fill(1.0);
}
//------------------------------------------------------------------------------
color::color(
color::color_t _red,
color::color_t _green,
color::color_t _blue,
color::color_t _alpha
) :
sight::data::vec<float, 4>({_red, _green, _blue, _alpha})
{
}
//------------------------------------------------------------------------------
color::color(const std::string& _string_color)
{
from_string(_string_color);
}
//------------------------------------------------------------------------------
void color::set_rgba(const color_t _red, const color_t _green, const color_t _blue, const color_t _alpha)
{
this->value() = {_red, _green, _blue, _alpha};
}
//------------------------------------------------------------------------------
void color::set_rgba(
const std::uint8_t _red,
const std::uint8_t _green,
const std::uint8_t _blue,
const std::uint8_t _alpha
)
{
this->value() = {
static_cast<float>(_red) / 255.0F, static_cast<float>(_green) / 255.0F,
static_cast<float>(_blue) / 255.0F, static_cast<float>(_alpha) / 255.0F
};
}
//------------------------------------------------------------------------------
std::array<std::uint8_t, 4> color::rgba_u8() const
{
const auto& v = this->value();
return {
static_cast<std::uint8_t>(std::clamp(v[0] * 255.0F, 0.0F, 255.0F)),
static_cast<std::uint8_t>(std::clamp(v[1] * 255.0F, 0.0F, 255.0F)),
static_cast<std::uint8_t>(std::clamp(v[2] * 255.0F, 0.0F, 255.0F)),
static_cast<std::uint8_t>(std::clamp(v[3] * 255.0F, 0.0F, 255.0F))
};
}
//------------------------------------------------------------------------------
std::string color::to_string() const
{
std::ostringstream oss;
oss << "#" << std::hex << std::setfill('0')
<< std::setw(2) << static_cast<int>(this->red() * 255)
<< std::setw(2) << static_cast<int>(this->green() * 255)
<< std::setw(2) << static_cast<int>(this->blue() * 255)
<< std::setw(2) << static_cast<int>(this->alpha() * 255);
return boost::to_upper_copy(oss.str());
}
//------------------------------------------------------------------------------
void color::from_string(const std::string& _value)
{
std::regex re("^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{8})$");
std::smatch match;
if(std::regex_match(_value, match, re))
{
sight::color_t color;
data::tools::color::hexa_string_to_rgba(_value, color);
this->set_rgba(color[0], color[1], color[2], color[3]);
return;
}
sight::data::vec<color_t, 4>::from_string(_value);
}
//------------------------------------------------------------------------------
void color::set_rgba(const std::string& _value)
{
from_string(_value);
}
} // namespace sight::data
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