voxel/hUI
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add extra helpers

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griffi-gh 2024-03-07 02:24:45 +01:00
parent e297c77453
commit 43c61cd142
1 changed files with 28 additions and 1 deletions
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29
hui/src/color.rs
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@ -1,7 +1,34 @@
//! various predefined color constants
//! various predefined color constants and helper functions
use glam::{vec4, Vec4};
/// Create a color from red, green, blue components
pub fn rgb(r: u8, g: u8, b: u8) -> Vec4 {
vec4(r as f32 / 255.0, g as f32 / 255.0, b as f32 / 255.0, 1.0)
}
/// Create a color from red, green, blue, alpha components
pub fn rgba(r: u8, g: u8, b: u8, a: u8) -> Vec4 {
vec4(r as f32 / 255.0, g as f32 / 255.0, b as f32 / 255.0, a as f32 / 255.0)
}
/// Create an RGB color from a u32 (/hex) value
pub fn rgb_hex(value: u32) -> Vec4 {
let r = (value >> 16) & 0xff;
let g = (value >> 8) & 0xff;
let b = value & 0xff;
vec4(r as f32 / 255.0, g as f32 / 255.0, b as f32 / 255.0, 1.0)
}
/// Create an RGBA color from a u32 (/hex) value
pub fn rgba_hex(value: u32) -> Vec4 {
let r = (value >> 16) & 0xff;
let g = (value >> 8) & 0xff;
let b = value & 0xff;
let a = (value >> 24) & 0xff;
vec4(r as f32 / 255.0, g as f32 / 255.0, b as f32 / 255.0, a as f32 / 255.0)
}
#[cfg_attr(doc, doc="<span style='display: inline-block; background: repeating-conic-gradient(grey 0 25%,darkgrey 0 50%) 50%/8px 8px; width: 1em; height: 1em; border-radius: 50%; border: 1px solid black; vertical-align: -7%'></span>")]
/// `#00000000` Transparent
pub const TRANSPARENT: Vec4 = vec4(0.0, 0.0, 0.0, 0.0);