From 025d92e552178d075bfe0ac0ff547cf27d7f2427 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BE=90=E6=B6=9B?= <midnite@outlook.com>
Date: Fri, 3 Jan 2025 05:52:02 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=BD=BF=E7=94=A8=E4=BA=AE?=
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---
 color-module/src/lib.rs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/color-module/src/lib.rs b/color-module/src/lib.rs
index d4f08f2..e2ce429 100644
--- a/color-module/src/lib.rs
+++ b/color-module/src/lib.rs
@@ -270,3 +270,29 @@ pub fn triadic(color: &str) -> Result<Vec<String>, errors::ColorError> {
         format!("{:x}", srgb_p240.into_format::<u8>()),
     ])
 }
+
+#[wasm_bindgen]
+pub fn series(
+    color: &str,
+    expand_amount: i16,
+    step: f32,
+) -> Result<Vec<String>, errors::ColorError> {
+    let origin_color = Srgb::from_str(color)
+        .map_err(|_| errors::ColorError::UnrecogniazedRGB(color.to_string()))?
+        .into_format::<f32>();
+    let oklch = Oklch::from_color(origin_color.clone());
+
+    let mut color_series = Vec::new();
+    for s in expand_amount..1 {
+        let darkened_color = oklch.darken(s as f32 * step);
+        let srgb = Srgb::from_color(darkened_color);
+        color_series.push(format!("{:x}", srgb.into_format::<u8>()));
+    }
+    color_series.push(format!("{:x}", origin_color.into_format::<u8>()));
+    for s in 1..expand_amount {
+        let lightened_color = oklch.lighten(s as f32 * step);
+        let srgb = Srgb::from_color(lightened_color);
+        color_series.push(format!("{:x}", srgb.into_format::<u8>()));
+    }
+    Ok(color_series)
+}