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#include "Color.h"
#include "Colorf.h"
#include <algorithm>
namespace nCine
{
inline namespace Primitives
{
const Color Color::Black(0, 0, 0, 255);
const Color Color::White(255, 255, 255, 255);
const Color Color::Red(255, 0, 0, 255);
const Color Color::Green(0, 255, 0, 255);
const Color Color::Blue(0, 0, 255, 255);
const Color Color::Yellow(255, 255, 0, 255);
const Color Color::Magenta(255, 0, 255, 255);
const Color Color::Cyan(0, 255, 255, 255);
Color::Color(std::uint32_t hex)
{
SetAlpha(255);
// The following method might set the alpha channel
Set(hex);
}
Color::Color(const std::uint8_t channels[NumChannels])
{
SetVec(channels);
}
Color::Color(const Colorf& color)
{
R = std::uint8_t(color.R * 255);
G = std::uint8_t(color.G * 255);
B = std::uint8_t(color.B * 255);
A = std::uint8_t(color.A * 255);
}
std::uint32_t Color::Rgba() const
{
return (R << 24) | (G << 16) | (B << 8) | A;
}
std::uint32_t Color::Argb() const
{
return (A << 24) | (R << 16) | (G << 8) | B;
}
std::uint32_t Color::Abgr() const
{
return (A << 24) | (B << 16) | (G << 8) | R;
}
std::uint32_t Color::Bgra() const
{
return (B << 24) | (G << 16) | (R << 8) | A;
}
void Color::Set(std::uint8_t red, std::uint8_t green, std::uint8_t blue)
{
R = red;
G = green;
B = blue;
}
void Color::Set(std::uint32_t hex)
{
R = static_cast<std::uint8_t>((hex & 0xFF0000) >> 16);
G = static_cast<std::uint8_t>((hex & 0xFF00) >> 8);
B = static_cast<std::uint8_t>(hex & 0xFF);
if (hex > 0xFFFFFF) {
A = static_cast<std::uint8_t>((hex & 0xFF000000) >> 24);
}
}
void Color::SetVec(const std::uint8_t channels[NumChannels])
{
Set(channels[0], channels[1], channels[2], channels[3]);
}
void Color::SetAlpha(std::uint8_t alpha)
{
A = alpha;
}
Color& Color::operator=(const Colorf& color)
{
R = std::uint8_t(color.R * 255.0f);
G = std::uint8_t(color.G * 255.0f);
B = std::uint8_t(color.B * 255.0f);
A = std::uint8_t(color.A * 255.0f);
return *this;
}
bool Color::operator==(const Color& color) const
{
return (R == color.R && G == color.G &&
B == color.B && A == color.A);
}
bool Color::operator!=(const Color& color) const
{
return (R != color.R || G != color.G ||
B != color.B || A != color.A);
}
Color& Color::operator+=(const Color& color)
{
for (std::uint32_t i = 0; i < NumChannels; i++) {
std::uint32_t channelValue = Data()[i] + color.Data()[i];
channelValue = std::clamp(channelValue, 0U, 255U);
Data()[i] = static_cast<std::uint8_t>(channelValue);
}
return *this;
}
Color& Color::operator-=(const Color& color)
{
for (std::uint32_t i = 0; i < NumChannels; i++) {
std::uint32_t channelValue = Data()[i] - color.Data()[i];
channelValue = std::clamp(channelValue, 0U, 255U);
Data()[i] = static_cast<std::uint8_t>(channelValue);
}
return *this;
}
Color& Color::operator*=(const Color& color)
{
for (std::uint32_t i = 0; i < NumChannels; i++) {
float channelValue = Data()[i] * (color.Data()[i] / 255.0f);
channelValue = std::clamp(channelValue, 0.0f, 255.0f);
Data()[i] = static_cast<std::uint8_t>(channelValue);
}
return *this;
}
Color& Color::operator*=(float scalar)
{
for (std::uint32_t i = 0; i < NumChannels; i++) {
float channelValue = Data()[i] * scalar;
channelValue = std::clamp(channelValue, 0.0f, 255.0f);
Data()[i] = static_cast<std::uint8_t>(channelValue);
}
return *this;
}
Color Color::operator+(const Color& color) const
{
Color result;
for (std::uint32_t i = 0; i < NumChannels; i++) {
std::uint32_t channelValue = Data()[i] + color.Data()[i];
channelValue = std::clamp(channelValue, 0U, 255U);
result.Data()[i] = static_cast<std::uint8_t>(channelValue);
}
return result;
}
Color Color::operator-(const Color& color) const
{
Color result;
for (std::uint32_t i = 0; i < NumChannels; i++) {
std::uint32_t channelValue = Data()[i] - color.Data()[i];
channelValue = std::clamp(channelValue, 0U, 255U);
result.Data()[i] = static_cast<std::uint8_t>(channelValue);
}
return result;
}
Color Color::operator*(const Color& color) const
{
Color result;
for (std::uint32_t i = 0; i < NumChannels; i++) {
float channelValue = Data()[i] * (color.Data()[i] / 255.0f);
channelValue = std::clamp(channelValue, 0.0f, 255.0f);
result.Data()[i] = static_cast<std::uint8_t>(channelValue);
}
return result;
}
Color Color::operator*(float scalar) const
{
Color result;
for (std::uint32_t i = 0; i < NumChannels; i++) {
float channelValue = Data()[i] * scalar;
channelValue = std::clamp(channelValue, 0.0f, 255.0f);
result.Data()[i] = static_cast<std::uint8_t>(channelValue);
}
return result;
}
}
}
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