export some builtin traits,

brightness conversion fails for invalid values,

macros for wrapping attrs

src/containers/bitmap.rs

@@ -1,4 +1,7 @@
-use crate::macros::*;
+use crate::{
+    containers::{wrap_get_set_fill_2d, wrap_width_height},
+    macros::wrap_object,
+};
 use servicepoint::Grid;
 use std::{ops::Deref, sync::Arc};
 
@@ -22,18 +25,13 @@ impl Bitmap {
 
     #[uniffi::constructor]
     pub fn load(width: u64, height: u64, data: Vec<u8>) -> Arc<Self> {
+        // TODO: throw exception
         Self::internal_new(
             servicepoint::Bitmap::load(width as usize, height as usize, &data)
                 .unwrap(),
         )
     }
 
-    pub fn equals(&self, other: &Bitmap) -> bool {
-        let a = self.read();
-        let b = other.read();
-        *a == *b
-    }
-
     pub fn copy_raw(&self) -> Vec<u8> {
         self.read().deref().into()
     }