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Clamp parameter values in (un)normalization

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In case the host or the plugin does something weird.
This commit is contained in:
Robbert van der Helm 2022-01-25 22:29:40 +01:00
parent d7929920c9
commit 5d0fbcd60d
1 changed files with 4 additions and 1 deletions
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5
nih_plug/src/params.rs
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@ -116,15 +116,16 @@ impl<T: Display + Copy> Display for PlainParam<T> {
}
}
// TODO: Clamping
impl NormalizebleRange<f32> for Range<f32> {
fn normalize(&self, unnormalized: f32) -> f32 {
match &self {
Range::Linear { min, max } => (unnormalized - min) / (max - min),
}
.clamp(0.0, 1.0)
}
fn unnormalize(&self, normalized: f32) -> f32 {
let normalized = normalized.clamp(0.0, 1.0);
match &self {
Range::Linear { min, max } => (normalized * (max - min)) + min,
}
@ -136,9 +137,11 @@ impl NormalizebleRange<i32> for Range<i32> {
match &self {
Range::Linear { min, max } => (unnormalized - min) as f32 / (max - min) as f32,
}
.clamp(0.0, 1.0)
}
fn unnormalize(&self, normalized: f32) -> i32 {
let normalized = normalized.clamp(0.0, 1.0);
match &self {
Range::Linear { min, max } => (normalized * (max - min) as f32).round() as i32 + min,
}