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New nodes: RGBA to Color, HSVA to Color, Hex to Color, and Read Gradient (#3838)

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* New nodes: RGBA to Color, HSVA to Color, Hex to Color, and Read Gradient

* Simplify
This commit is contained in:
Keavon Chambers
2026-02-26 18:22:04 -08:00
committed by GitHub
parent f1cbc4b396
commit 9ecbfb7110
12 changed files with 154 additions and 43 deletions
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42
node-graph/nodes/math/src/lib.rs
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@@ -765,6 +765,48 @@ fn color_value(_: impl Ctx, _primary: (), #[default(Color::BLACK)] color: Table<
color
}
/// Constructs a color value from red, green, blue, and alpha components given as numbers from 0 to 1.
#[node_macro::node(category("Color"), name("RGBA to Color"))]
fn rgba_to_color(_: impl Ctx, _primary: (), red: Fraction, green: Fraction, blue: Fraction, #[default(1.)] alpha: Fraction) -> Table<Color> {
let red = (red as f32).clamp(0., 1.);
let green = (green as f32).clamp(0., 1.);
let blue = (blue as f32).clamp(0., 1.);
let alpha = (alpha as f32).clamp(0., 1.);
Table::new_from_element(Color::from_rgbaf32_unchecked(red, green, blue, alpha))
}
/// Constructs a color value from hue, saturation, value, and alpha components given as numbers from 0 to 1.
#[node_macro::node(category("Color"), name("HSVA to Color"))]
fn hsva_to_color(_: impl Ctx, _primary: (), hue: Fraction, #[default(1.)] saturation: Fraction, #[default(1.)] value: Fraction, #[default(1.)] alpha: Fraction) -> Table<Color> {
let hue = (hue as f32) - (hue as f32).floor();
let saturation = (saturation as f32).clamp(0., 1.);
let value = (value as f32).clamp(0., 1.);
let alpha = (alpha as f32).clamp(0., 1.);
Table::new_from_element(Color::from_hsva(hue, saturation, value, alpha))
}
/// Constructs a color value from hue, saturation, lightness, and alpha components given as numbers from 0 to 1.
#[node_macro::node(category("Color"), name("HSLA to Color"))]
fn hsla_to_color(_: impl Ctx, _primary: (), hue: Fraction, #[default(1.)] saturation: Fraction, #[default(0.5)] lightness: Fraction, #[default(1.)] alpha: Fraction) -> Table<Color> {
let hue = (hue as f32) - (hue as f32).floor();
let saturation = (saturation as f32).clamp(0., 1.);
let lightness = (lightness as f32).clamp(0., 1.);
let alpha = (alpha as f32).clamp(0., 1.);
Table::new_from_element(Color::from_hsla(hue, saturation, lightness, alpha))
}
/// Constructs a color value from an sRGB color code string, such as `#RRGGBB` or `#RRGGBBAA`. Invalid hex code strings produce no color.
#[node_macro::node(category("Color"), name("Hex to Color"))]
fn hex_to_color(_: impl Ctx, hex_code: String) -> Table<Color> {
match Color::from_hex_str(&hex_code) {
Some(c) => Table::new_from_element(c),
None => Table::new(),
}
}
/// Constructs a gradient value which may be set to any sequence of color stops to represent the transition between colors.
#[node_macro::node(category("Value"))]
fn gradient_value(_: impl Ctx, _primary: (), gradient: Table<GradientStops>) -> Table<GradientStops> {