works

1 files changed, 32 insertions, 1 deletions

diff --git a/lvc/src/impls.rs b/lvc/src/impls.rs
index 01eb1c6..0801361 100644
--- a/lvc/src/impls.rs
+++ b/lvc/src/impls.rs
@@ -1,6 +1,37 @@
-use crate::{Frame, Pixel, View, P2};
+use crate::{Frame, Pixel, Ref, View, P2};
 use std::ops::{Add, Index, IndexMut, Sub};
 
+impl Frame {
+    pub fn export(&self, view: View) -> Vec<Pixel> {
+        let mut o = vec![];
+        for y in view.a.y..view.b.y {
+            for x in view.a.x..view.b.x {
+                o.push(self[P2 { x, y }])
+            }
+        }
+        o
+    }
+    pub fn import(&mut self, view: View, mut source: &[Pixel]) {
+        for y in view.a.y..view.b.y {
+            for x in view.a.x..view.b.x {
+                self[P2 { x, y }] = source[0];
+                source = &source[1..];
+            }
+        }
+    }
+    pub fn new(size: P2) -> Self {
+        Self {
+            pixels: vec![Pixel::default(); size.area()],
+            size,
+        }
+    }
+}
+impl Ref {
+    pub fn apply<F: Fn(&mut Self)>(mut self, f: F) -> Self {
+        f(&mut self);
+        self
+    }
+}
 impl Add for Pixel {
     type Output = Pixel;
     #[inline]