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Remove Color struct from document-legacy (#1012)

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This commit is contained in:
Keavon Chambers 2023-02-07 17:31:50 -08:00
parent 5462bf5f2f
commit 202b0ee6ed
28 changed files with 84 additions and 257 deletions
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55
node-graph/gcore/src/raster/color.rs
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@ -44,6 +44,12 @@ impl Color {
pub const RED: Color = Color::from_rgbf32_unchecked(1., 0., 0.);
pub const GREEN: Color = Color::from_rgbf32_unchecked(0., 1., 0.);
pub const BLUE: Color = Color::from_rgbf32_unchecked(0., 0., 1.);
pub const TRANSPARENT: Color = Self {
red: 0.,
green: 0.,
blue: 0.,
alpha: 0.,
};
/// Returns `Some(Color)` if `red`, `green`, `blue` and `alpha` have a valid value. Negative numbers (including `-0.0`), NaN, and infinity are not valid values and return `None`.
/// Alpha values greater than `1.0` are not valid.
@ -67,13 +73,13 @@ impl Color {
}
/// Return an opaque `Color` from given `f32` RGB channels.
pub const fn from_rgbaf32_unchecked(red: f32, green: f32, blue: f32, alpha: f32) -> Color {
Color { red, green, blue, alpha }
pub const fn from_rgbf32_unchecked(red: f32, green: f32, blue: f32) -> Color {
Color { red, green, blue, alpha: 1. }
}
/// Return an opaque `Color` from given `f32` RGB channels.
pub const fn from_rgbf32_unchecked(red: f32, green: f32, blue: f32) -> Color {
Color { red, green, blue, alpha: 1. }
pub const fn from_rgbaf32_unchecked(red: f32, green: f32, blue: f32, alpha: f32) -> Color {
Color { red, green, blue, alpha }
}
/// Return an opaque SDR `Color` given RGB channels from `0` to `255`.
@ -202,6 +208,34 @@ impl Color {
(self.red, self.green, self.blue, self.alpha)
}
/// Return an 8-character RGBA hex string (without a # prefix).
///
/// # Examples
/// ```
/// use graphene_core::raster::color::Color;
/// let color = Color::from_rgba8(0x7C, 0x67, 0xFA, 0x61);
/// assert!("7C67FA61" == color.rgba_hex())
/// ```
pub fn rgba_hex(&self) -> String {
format!(
"{:02X?}{:02X?}{:02X?}{:02X?}",
(self.r() * 255.) as u8,
(self.g() * 255.) as u8,
(self.b() * 255.) as u8,
(self.a() * 255.) as u8,
)
}
/// Return a 6-character RGB hex string (without a # prefix).
/// ```
/// use graphene_core::raster::color::Color;
/// let color = Color::from_rgba8(0x7C, 0x67, 0xFA, 0x61);
/// assert!("7C67FA" == color.rgb_hex())
/// ```
pub fn rgb_hex(&self) -> String {
format!("{:02X?}{:02X?}{:02X?}", (self.r() * 255.) as u8, (self.g() * 255.) as u8, (self.b() * 255.) as u8,)
}
/// Return the all components as a u8 slice, first component is red, followed by green, followed by blue, followed by alpha.
///
/// # Examples
@ -287,6 +321,19 @@ impl Color {
Some(Color::from_rgb8(r, g, b))
}
/// Linearly interpolates between two colors based on t.
///
/// T must be between 0 and 1.
pub fn lerp(self, other: Color, t: f32) -> Option<Self> {
assert!((0. ..=1.).contains(&t));
Color::from_rgbaf32(
self.red + ((other.red - self.red) * t),
self.green + ((other.green - self.green) * t),
self.blue + ((other.blue - self.blue) * t),
self.alpha + ((other.alpha - self.alpha) * t),
)
}
}
#[test]