shadowfacts/grass
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Properly handle hsl value in color::other functions

Browse Source
This commit is contained in:
ConnorSkees 2020-02-17 08:16:04 -05:00
parent f7aacba76c
commit 33d486ccde
1 changed files with 8 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/builtin/color/other.rs
View File

@ -26,11 +26,9 @@ macro_rules! opt_arg {
v => return Err(format!("${}: {} is not a number.", $arg, v).into()),
};
};
(hsl: $args:ident, $name:ident, $arg:literal) => {
(hsl: $args:ident, $name:ident, $arg:literal, $high:literal, $low:literal) => {
let $name = match arg!($args, -1, $arg = Value::Null) {
Value::Dimension(n, Unit::None) | Value::Dimension(n, Unit::Percent) => {
Some(n / Number::from(100))
}
Value::Dimension(n, u) => Some(bound!($arg, n, u, $high, $low) / Number::from(100)),
Value::Null => None,
v => return Err(format!("${}: {} is not a number.", $arg, v).into()),
};
@ -63,8 +61,8 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
v => return Err(format!("$hue: {} is not a number.", v).into()),
};
opt_arg!(args, saturation, "saturation", 0, 100);
opt_arg!(args, luminance, "lightness", 0, 100);
opt_arg!(hsl: args, saturation, "saturation", 0, 100);
opt_arg!(hsl: args, luminance, "lightness", 0, 100);
if hue.is_some() || saturation.is_some() || luminance.is_some() {
// Color::as_hsla() returns more exact values than Color::hue(), etc.
@ -109,8 +107,8 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
_ => todo!("expected either unitless or % number for hue"),
};
opt_arg!(hsl: args, saturation, "saturation");
opt_arg!(hsl: args, luminance, "lightness");
opt_arg!(hsl: args, saturation, "saturation", -100, 100);
opt_arg!(hsl: args, luminance, "lightness", -100, 100);
if hue.is_some() || saturation.is_some() || luminance.is_some() {
// Color::as_hsla() returns more exact values than Color::hue(), etc.
@ -163,8 +161,8 @@ pub(crate) fn register(f: &mut BTreeMap<String, Builtin>) {
_ => todo!("expected either unitless or % number for hue"),
};
opt_arg!(hsl: args, saturation, "saturation");
opt_arg!(hsl: args, luminance, "lightness");
opt_arg!(scale: args, saturation, "saturation", -100, 100);
opt_arg!(scale: args, luminance, "lightness", -100, 100);
if hue.is_some() || saturation.is_some() || luminance.is_some() {
// Color::as_hsla() returns more exact values than Color::hue(), etc.