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hex_color.rs
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hex_color.rs
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/// Construct a [`crate::Color32`] from a hex RGB or RGBA string.
///
/// ```
/// # use ecolor::{hex_color, Color32};
/// assert_eq!(hex_color!("#202122"), Color32::from_rgb(0x20, 0x21, 0x22));
/// assert_eq!(hex_color!("#abcdef12"), Color32::from_rgba_unmultiplied(0xab, 0xcd, 0xef, 0x12));
/// ```
#[macro_export]
macro_rules! hex_color {
($s:literal) => {{
let array = color_hex::color_from_hex!($s);
if array.len() == 3 {
$crate::Color32::from_rgb(array[0], array[1], array[2])
} else {
#[allow(unconditional_panic)]
$crate::Color32::from_rgba_unmultiplied(array[0], array[1], array[2], array[3])
}
}};
}
#[test]
fn test_from_rgb_hex() {
assert_eq!(
crate::Color32::from_rgb(0x20, 0x21, 0x22),
hex_color!("#202122")
);
assert_eq!(
crate::Color32::from_rgb_additive(0x20, 0x21, 0x22),
hex_color!("#202122").additive()
);
}
#[test]
fn test_from_rgba_hex() {
assert_eq!(
crate::Color32::from_rgba_unmultiplied(0x20, 0x21, 0x22, 0x50),
hex_color!("20212250")
);
}