bendns' repos / monitorkit
monitoring kit
Diffstat (limited to 'grapher/src/lib.rs')
-rw-r--r--grapher/src/lib.rs7
1 files changed, 6 insertions, 1 deletions
diff --git a/grapher/src/lib.rs b/grapher/src/lib.rs
index 354e41d..b6d2df2 100644
--- a/grapher/src/lib.rs
+++ b/grapher/src/lib.rs
@@ -31,7 +31,11 @@ impl Grapher {
self.data.pop_back();
}
- pub fn draw(&mut self, mut color: impl FnMut(u16) -> Option<[u8; 3]>) -> Result<&mut Vec<u8>> {
+ pub fn draw(
+ &mut self,
+ mut color: impl FnMut(u16) -> Option<[u8; 3]>,
+ mut mapping: impl FnMut(f64) -> f64,
+ ) -> Result<&mut Vec<u8>> {
let Grapher {
buffer: output,
data,
@@ -57,6 +61,7 @@ impl Grapher {
.map(|column| {
let mut data = [vec![false; (h * 4) as usize], vec![false; (h * 4) as usize]];
for (e, c) in zip(column, &mut data) {
+ let e = mapping(*e);
let clen = c.len();
c[clen - ((h as f64 * e * 4.0).round().min(h as f64 * 4.0) as usize)..]
.fill(true);