- use css colors to convert color names into rgb values

src/py.rs

@@ -183,7 +183,7 @@ impl PyIJTiffFile {
                 return Err(PyValueError::new_err(format!(
                     "Unknown compression {}",
                     compression
-                )))
+                )));
             }
         };
         if let Some(ref mut ijtifffile) = self.ijtifffile {
@@ -203,14 +203,9 @@ impl PyIJTiffFile {
     }
 
     #[setter]
-    fn set_colors(&mut self, colors: PyReadonlyArray2<u8>) -> PyResult<()> {
+    fn set_colors(&mut self, colors: Vec<String>) -> PyResult<()> {
         if let Some(ijtifffile) = &mut self.ijtifffile {
-            let a = colors.to_owned_array();
-            ijtifffile.colors = Colors::Colors(
-                (0..a.shape()[0])
-                    .map(|i| Vec::from(a.slice(s![i, ..]).as_slice().unwrap()))
-                    .collect(),
-            );
+            ijtifffile.set_colors(&colors)?;
         }
         Ok(())
     }