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LibGfx: Make most of Gfx::Color constexpr

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This commit is contained in:
Andreas Kling 2021-03-06 15:07:41 +01:00
parent ed139bee7f
commit 48347fb1c7
1 changed files with 14 additions and 14 deletions
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28
Userland/Libraries/LibGfx/Color.h
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@ -119,12 +119,12 @@ public:
m_value |= value;
}
Color with_alpha(u8 alpha) const
constexpr Color with_alpha(u8 alpha) const
{
return Color((m_value & 0x00ffffff) | alpha << 24);
}
Color blend(Color source) const
constexpr Color blend(Color source) const
{
if (!alpha() || source.alpha() == 255)
return source;
@ -159,7 +159,7 @@ public:
#endif
}
Color multiply(const Color& other) const
constexpr Color multiply(const Color& other) const
{
return Color(
red() * other.red() / 255,
@ -168,40 +168,40 @@ public:
alpha() * other.alpha() / 255);
}
Color to_grayscale() const
constexpr Color to_grayscale() const
{
int gray = (red() + green() + blue()) / 3;
return Color(gray, gray, gray, alpha());
}
Color darkened(float amount = 0.5f) const
constexpr Color darkened(float amount = 0.5f) const
{
return Color(red() * amount, green() * amount, blue() * amount, alpha());
}
Color lightened(float amount = 1.2f) const
constexpr Color lightened(float amount = 1.2f) const
{
return Color(min(255, (int)((float)red() * amount)), min(255, (int)((float)green() * amount)), min(255, (int)((float)blue() * amount)), alpha());
}
Color inverted() const
constexpr Color inverted() const
{
return Color(~red(), ~green(), ~blue(), alpha());
}
Color xored(const Color& other) const
constexpr Color xored(const Color& other) const
{
return Color(((other.m_value ^ m_value) & 0x00ffffff) | (m_value & 0xff000000));
}
RGBA32 value() const { return m_value; }
constexpr RGBA32 value() const { return m_value; }
bool operator==(const Color& other) const
constexpr bool operator==(const Color& other) const
{
return m_value == other.m_value;
}
bool operator!=(const Color& other) const
constexpr bool operator!=(const Color& other) const
{
return m_value != other.m_value;
}
@ -210,7 +210,7 @@ public:
String to_string_without_alpha() const;
static Optional<Color> from_string(const StringView&);
HSV to_hsv() const
constexpr HSV to_hsv() const
{
HSV hsv;
double r = static_cast<double>(red()) / 255.0;
@ -246,12 +246,12 @@ public:
return hsv;
}
static Color from_hsv(double hue, double saturation, double value)
static constexpr Color from_hsv(double hue, double saturation, double value)
{
return from_hsv({ hue, saturation, value });
}
static Color from_hsv(const HSV& hsv)
static constexpr Color from_hsv(const HSV& hsv)
{
VERIFY(hsv.hue >= 0.0 && hsv.hue < 360.0);
VERIFY(hsv.saturation >= 0.0 && hsv.saturation <= 1.0);