decoder

1 files changed, 23 insertions, 4 deletions

diff --git a/evc/src/frame.rs b/evc/src/frame.rs
index 6e565b6..1269bf2 100644
--- a/evc/src/frame.rs
+++ b/evc/src/frame.rs
@@ -1,4 +1,8 @@
-use crate::{pixel::Pixel, ser::Source, view::View};
+use crate::{
+    pixel::Pixel,
+    ser::{Sink, Source},
+    view::View,
+};
 use std::{
     io,
     ops::{Index, IndexMut},
@@ -20,15 +24,30 @@ impl Frame {
     }
     pub fn read(source: &mut impl Source, size: (usize, usize)) -> io::Result<Self> {
         let mut frame = Frame::new(size);
-        for x in 0..size.0 {
-            for y in 0..size.1 {
+        for y in 0..size.1 {
+            for x in 0..size.0 {
                 let pixel = source.get::<Pixel>()?;
                 frame[(x, y)] = pixel;
             }
         }
         Ok(frame)
     }
-    pub fn view<'a>(&'a self, offset: (usize, usize), size: (usize, usize)) -> View<'a> {
+    pub fn write(&self, sink: &mut impl Sink) -> io::Result<()> {
+        for y in 0..self.size.1 {
+            for x in 0..self.size.0 {
+                sink.put(self[(x, y)])?;
+            }
+        }
+        Ok(())
+    }
+    pub fn view<'a>(&'a self, offset: (usize, usize), size: (usize, usize)) -> View<&'a Frame> {
+        View::new(self, offset, size)
+    }
+    pub fn view_mut<'a>(
+        &'a mut self,
+        offset: (usize, usize),
+        size: (usize, usize),
+    ) -> View<&'a mut Frame> {
         View::new(self, offset, size)
     }
 }