1 files changed, 109 insertions, 0 deletions
diff --git a/old/evc/src/frame.rs b/old/evc/src/frame.rs
new file mode 100644
index 0000000..78d0e73
--- /dev/null
+++ b/old/evc/src/frame.rs
@@ -0,0 +1,109 @@
+use crate::{
+    format::ser::{Sink, Source},
+    helpers::{pixel::Pixel, vector::Vec2},
+    view::View,
+};
+use std::ops::{Index, IndexMut};
+
+#[derive(Debug, Clone)]
+pub struct Frame {
+    pub size: Vec2<isize>,
+    buffer: Vec<Pixel>,
+}
+
+impl Frame {
+    pub fn new(size: Vec2<isize>) -> Self {
+        Self {
+            size,
+            buffer: (0..size.x * size.y).map(|_| Pixel::default()).collect(),
+        }
+    }
+    pub fn read(source: &mut impl Source, size: Vec2<isize>) -> anyhow::Result<Self> {
+        let mut frame = Frame::new(size);
+        for y in 0..size.y {
+            for x in 0..size.x {
+                let pixel = source.get::<Pixel>()?;
+                frame[(x, y)] = pixel;
+            }
+        }
+        Ok(frame)
+    }
+    pub fn write(&self, sink: &mut impl Sink) -> anyhow::Result<()> {
+        for y in 0..self.size.y {
+            for x in 0..self.size.x {
+                sink.put(self[(x, y)])?;
+            }
+        }
+        Ok(())
+    }
+    pub fn view<'a>(&'a self) -> View<&'a Frame> {
+        View::new(self, Vec2::<isize>::ZERO, self.size)
+    }
+    pub fn view_mut<'a>(&'a mut self) -> View<&'a mut Frame> {
+        View::new(self, Vec2::<isize>::ZERO, self.size)
+    }
+    pub fn view_area<'a>(&'a self, offset: Vec2<isize>, size: Vec2<isize>) -> View<&'a Frame> {
+        View::new(self, offset, size)
+    }
+    pub fn view_area_mut<'a>(
+        &'a mut self,
+        offset: Vec2<isize>,
+        size: Vec2<isize>,
+    ) -> View<&'a mut Frame> {
+        View::new(self, offset, size)
+    }
+    pub fn set(&mut self, pos: Vec2<isize>, color: Pixel) {
+        if pos.x >= 0 && pos.y >= 0 && pos.x < self.size.x && pos.y < self.size.y {
+            self[pos] = color
+        }
+    }
+}
+
+impl Index<Vec2<isize>> for Frame {
+    type Output = Pixel;
+    #[inline]
+    fn index(&self, Vec2 { x, y }: Vec2<isize>) -> &Self::Output {
+        &self.buffer
+            [(x.clamp(0, self.size.x - 1) + y.clamp(0, self.size.y - 1) * self.size.x) as usize]
+    }
+}
+impl IndexMut<Vec2<isize>> for Frame {
+    #[inline]
+    fn index_mut(&mut self, Vec2 { x, y }: Vec2<isize>) -> &mut Self::Output {
+        &mut self.buffer[(x + y * self.size.x) as usize]
+    }
+}
+
+impl Frame {
+    #[inline]
+    pub fn sample(&self, p: Vec2<f32>) -> Pixel {
+        self[Vec2 {
+            x: p.x as isize,
+            y: p.y as isize,
+        }]
+        // let fx = p.x.floor() as isize;
+        // let fy = p.y.floor() as isize;
+        // let cx = p.x.ceil() as isize;
+        // let cy = p.y.ceil() as isize;
+
+        // // TODO dont loose accuracy here
+        // Pixel::average(
+        //     Pixel::average(self[Vec2 { x: fx, y: fy }], self[Vec2 { x: fx, y: cy }]),
+        //     Pixel::average(self[Vec2 { x: cx, y: fx }], self[Vec2 { x: cx, y: fy }]),
+        // )
+    }
+}
+
+impl Index<(isize, isize)> for Frame {
+    type Output = Pixel;
+    #[inline]
+    fn index(&self, (x, y): (isize, isize)) -> &Self::Output {
+        &self[Vec2 { x, y }]
+    }
+}
+impl IndexMut<(isize, isize)> for Frame {
+    #[inline]
+    fn index_mut(&mut self, (x, y): (isize, isize)) -> &mut Self::Output {
+        &mut self[Vec2 { x, y }]
+    }
+}