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/***************************************************************************
* Copyright (c) 2005 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include <iomanip>
#include <sstream>
#include "Color.h"
using namespace Base;
// NOLINTNEXTLINE(bugprone-easily-swappable-parameters)
Color::Color(uint32_t rgba)
: Color {}
{
setPackedValue(rgba);
}
bool Color::operator==(const Color& color) const
{
return getPackedValue() == color.getPackedValue();
}
bool Color::operator!=(const Color& color) const
{
return !operator==(color);
}
// NOLINTNEXTLINE(bugprone-easily-swappable-parameters)
void Color::set(float red, float green, float blue, float alpha)
{
r = red;
g = green;
b = blue;
a = alpha;
}
float Color::transparency() const
{
return 1.0F - a;
}
void Color::setTransparency(float value)
{
a = 1.0F - value;
}
// NOLINTBEGIN(cppcoreguidelines-avoid-magic-numbers,readability-magic-numbers)
Color& Color::setPackedValue(uint32_t rgba)
{
// clang-format off
this->set(static_cast<float> (rgba >> 24) / 255.0F,
static_cast<float>((rgba >> 16) & 0xff) / 255.0F,
static_cast<float>((rgba >> 8) & 0xff) / 255.0F,
static_cast<float> (rgba & 0xff) / 255.0F);
return *this;
// clang-format on
}
uint32_t Color::getPackedValue() const
{
// clang-format off
return (static_cast<uint32_t>(std::lround(r * 255.0F)) << 24 |
static_cast<uint32_t>(std::lround(g * 255.0F)) << 16 |
static_cast<uint32_t>(std::lround(b * 255.0F)) << 8 |
static_cast<uint32_t>(std::lround(a * 255.0F)));
// clang-format on
}
void Color::setPackedRGB(uint32_t rgb)
{
// clang-format off
this->set(static_cast<float>((rgb >> 24) & 0xff) / 255.0F,
static_cast<float>((rgb >> 16) & 0xff) / 255.0F,
static_cast<float>((rgb >> 8) & 0xff) / 255.0F);
// clang-format on
}
uint32_t Color::getPackedRGB() const
{
// clang-format off
return (static_cast<uint32_t>(std::lround(r * 255.0F)) << 24 |
static_cast<uint32_t>(std::lround(g * 255.0F)) << 16 |
static_cast<uint32_t>(std::lround(b * 255.0F)) << 8);
// clang-format on
}
uint32_t Color::getPackedARGB() const
{
// clang-format off
return (static_cast<uint32_t>(std::lround(a * 255.0F)) << 24 |
static_cast<uint32_t>(std::lround(r * 255.0F)) << 16 |
static_cast<uint32_t>(std::lround(g * 255.0F)) << 8 |
static_cast<uint32_t>(std::lround(b * 255.0F)));
// clang-format on
}
void Color::setPackedARGB(uint32_t argb)
{
// clang-format off
this->set(static_cast<float>((argb >> 16) & 0xff) / 255.0F,
static_cast<float>((argb >> 8) & 0xff) / 255.0F,
static_cast<float> (argb & 0xff) / 255.0F,
static_cast<float> (argb >> 24) / 255.0F);
// clang-format on
}
std::string Color::asHexString() const
{
// clang-format off
std::stringstream ss;
ss << "#" << std::hex << std::uppercase << std::setfill('0')
<< std::setw(2) << int(std::lround(r * 255.0F))
<< std::setw(2) << int(std::lround(g * 255.0F))
<< std::setw(2) << int(std::lround(b * 255.0F));
return ss.str();
// clang-format on
}
bool Color::fromHexString(const std::string& hex)
{
if (hex.size() < 7 || hex[0] != '#') {
return false;
}
// #RRGGBB
if (hex.size() == 7) {
std::stringstream ss(hex);
unsigned int rgb;
char ch {};
ss >> ch >> std::hex >> rgb;
int rc = (rgb >> 16) & 0xff;
int gc = (rgb >> 8) & 0xff;
int bc = rgb & 0xff;
r = rc / 255.0F;
g = gc / 255.0F;
b = bc / 255.0F;
return true;
}
// #RRGGBBAA
if (hex.size() == 9) {
std::stringstream ss(hex);
unsigned int rgba;
char ch {};
ss >> ch >> std::hex >> rgba;
int rc = (rgba >> 24) & 0xff;
int gc = (rgba >> 16) & 0xff;
int bc = (rgba >> 8) & 0xff;
int ac = rgba & 0xff;
r = rc / 255.0F;
g = gc / 255.0F;
b = bc / 255.0F;
a = ac / 255.0F;
return true;
}
return false;
}
// NOLINTEND(cppcoreguidelines-avoid-magic-numbers,readability-magic-numbers)
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