diff options
Diffstat (limited to 'src/frontier/mean.rs')
-rw-r--r-- | src/frontier/mean.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/frontier/mean.rs b/src/frontier/mean.rs index 889c5ba..6a32b97 100644 --- a/src/frontier/mean.rs +++ b/src/frontier/mean.rs @@ -129,6 +129,10 @@ impl<C: ColorSpace> Frontier for MeanFrontier<C> { self.len - self.deleted } + fn is_empty(&self) -> bool { + self.len() == 0 + } + fn place(&mut self, rgb8: Rgb8) -> Option<(u32, u32)> { let color = C::from(rgb8); let (x, y) = self.forest.nearest(&color).map(|n| n.item.pos)?; |