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Add inversion functions, rename check_rgba -> new

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This commit is contained in:
Clark Moody 2020-02-21 15:40:37 -06:00
parent 62fddce2e6
commit 27a4cbccea
1 changed files with 14 additions and 4 deletions
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18
core/src/color.rs
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@ -1,6 +1,5 @@
/// A color in the sRGB color space.
#[derive(Debug, Clone, Copy, PartialEq)]
#[allow(missing_docs)]
pub struct Color {
/// Red component, 0.0 - 1.0
pub r: f32,
@ -12,7 +11,6 @@ pub struct Color {
pub a: f32,
}
impl Color {
/// The black color.
pub const BLACK: Color = Color {
@ -44,7 +42,7 @@ impl Color {
}
/// Ensures RGBA values on the range [0.0, 1.0]
pub fn check_rgba(r: f32, g: f32, b: f32, a:f32) -> Color {
pub fn new(r: f32, g: f32, b: f32, a: f32) -> Color {
Color {
r: Color::clamp(r),
g: Color::clamp(g),
@ -57,7 +55,7 @@ impl Color {
///
/// [`Color`]: struct.Color.html
pub fn from_rgb(r: f32, g: f32, b: f32) -> Color {
Color::check_rgba(r, g, b, 1.0)
Color::new(r, g, b, 1.0)
}
/// Creates a [`Color`] from its RGB8 components.
@ -100,6 +98,18 @@ impl Color {
self.a,
]
}
/// Invert the Color in-place
pub fn invert(&mut self) {
self.r = Color::clamp(1.0f32 - self.r);
self.b = Color::clamp(1.0f32 - self.g);
self.g = Color::clamp(1.0f32 - self.b);
}
/// Return an inverted Color
pub fn inverse(self) -> Color {
Color::new(1.0f32 - self.r, 1.0f32 - self.g, 1.0f32 - self.b, self.a)
}
}
impl From<[f32; 3]> for Color {