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Proper bounds for change-color rgba

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This commit is contained in:
ConnorSkees 2020-02-16 22:35:02 -05:00
parent 5ee5f59b2c
commit 86a0e24330
1 changed files with 5 additions and 5 deletions
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10
src/builtin/color/other.rs
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@ -32,7 +32,7 @@ macro_rules! opt_arg {
Some(n / Number::from(100)) Some(n / Number::from(100))
} }
Value::Null => None, Value::Null => None,
_ => todo!(concat!("expected either unitless or % number for $", $arg)), v => return Err(format!("${}: {} is not a number.", $arg, v).into()),
}; };
}; };
} }
@ -48,10 +48,10 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
v => return Err(format!("$color: {} is not a color.", v).into()), v => return Err(format!("$color: {} is not a color.", v).into()),
}; };
opt_arg!(args, alpha, "alpha", -1, 1); opt_arg!(args, alpha, "alpha", 0, 1);
opt_arg!(args, red, "red", -255, 255); opt_arg!(args, red, "red", 0, 255);
opt_arg!(args, green, "green", -255, 255); opt_arg!(args, green, "green", 0, 255);
opt_arg!(args, blue, "blue", -255, 255); opt_arg!(args, blue, "blue", 0, 255);
if red.is_some() || green.is_some() || blue.is_some() { if red.is_some() || green.is_some() || blue.is_some() {
return Ok(Value::Color(Color::from_rgba(red.unwrap_or(color.red()), green.unwrap_or(color.green()), blue.unwrap_or(color.blue()), alpha.unwrap_or(color.alpha())))) return Ok(Value::Color(Color::from_rgba(red.unwrap_or(color.red()), green.unwrap_or(color.green()), blue.unwrap_or(color.blue()), alpha.unwrap_or(color.alpha()))))