old dir

1 files changed, 0 insertions, 206 deletions

diff --git a/difftree/src/main.rs b/difftree/src/main.rs
deleted file mode 100644
index 9b6d35f..0000000
--- a/difftree/src/main.rs
+++ /dev/null
@@ -1,206 +0,0 @@
-use framework::{
-    common::huffman::encode_huff,
-    vector::{UVec2, Vec2},
-    Frame, Framework, Pixel,
-};
-use rayon::join;
-
-fn main() {
-    let (mut framework, params) = Framework::init();
-    let root = Area {
-        x1: 0,
-        y1: 0,
-        x2: params.width,
-        y2: params.height,
-    };
-
-    match params.mode {
-        framework::CodecMode::Encode => {
-            let mut oframe = Frame::new(params.width, params.height);
-            let mut dframe = Frame::new(params.width, params.height);
-            let mut out = Vec::<u8>::new();
-            while let Some(iframe) = framework.next_frame() {
-                let t = encode(&oframe, &iframe, root);
-                decode(&mut oframe, root, &t);
-                write(&mut out, &t);
-
-                if params.debug == 1 {
-                    dframe.pixels.copy_from_slice(&oframe.pixels);
-                    debug(&mut dframe, root, &t);
-                    framework.decode_done(&dframe);
-                } else if params.debug == 2 {
-                    debug_diff(&mut dframe, root, &t);
-                    framework.decode_done(&dframe);
-                } else {
-                    framework.decode_done(&oframe)
-                }
-
-                let huff = encode_huff(&out);
-                framework.encode_done(&huff);
-                out.clear();
-            }
-        }
-        framework::CodecMode::Decode => todo!(),
-    }
-}
-
-pub fn write(w: &mut Vec<u8>, t: &DiffTree) {
-    match t {
-        DiffTree::Split([a, b]) => {
-            w.push(0);
-            write(w, a);
-            write(w, b);
-        }
-        DiffTree::Diff(d) => w.extend([1, d.r as u8, d.g as u8, d.b as u8]),
-    }
-}
-
-pub fn decode(f: &mut Frame, area: Area, tree: &DiffTree) {
-    match tree {
-        DiffTree::Split([ta, tb]) => {
-            let (aa, ab) = area.split();
-            decode(f, aa, ta);
-            decode(f, ab, tb);
-        }
-        DiffTree::Diff(diff) => {
-            apply_area_diff(f, area, *diff);
-        }
-    }
-}
-pub fn debug(f: &mut Frame, area: Area, tree: &DiffTree) {
-    match tree {
-        DiffTree::Split([ta, tb]) => {
-            let (aa, ab) = area.split();
-            debug(f, aa, ta);
-            debug(f, ab, tb);
-        }
-        DiffTree::Diff(_diff) => {
-            let Area { x1, y1, x2, y2 } = area;
-            for x in x1..x2 {
-                for y in y1..y2 {
-                    f[(x, y)] = Pixel { r: 0, g: 0, b: 255 }
-                }
-            }
-        }
-    }
-}
-pub fn debug_diff(f: &mut Frame, area: Area, tree: &DiffTree) {
-    match tree {
-        DiffTree::Split([ta, tb]) => {
-            let (aa, ab) = area.split();
-            debug_diff(f, aa, ta);
-            debug_diff(f, ab, tb);
-        }
-        DiffTree::Diff(diff) => {
-            let Area { x1, y1, x2, y2 } = area;
-            for x in x1..x2 {
-                for y in y1..y2 {
-                    f[(x, y)] = Pixel {
-                        r: 127u8.saturating_add_signed(diff.r),
-                        b: 127u8.saturating_add_signed(diff.b),
-                        g: 127u8.saturating_add_signed(diff.g),
-                    }
-                }
-            }
-        }
-    }
-}
-
-pub fn encode(a: &Frame, b: &Frame, area: Area) -> DiffTree {
-    if area.area() == 1 {
-        DiffTree::Diff(diff_pixel(
-            a,
-            b,
-            Vec2 {
-                x: area.x1,
-                y: area.y1,
-            },
-        ))
-    } else {
-        let (aa, ba) = area.split();
-        let (at, bt) = join(|| encode(a, b, aa), || encode(a, b, ba));
-        // let (at, bt) = (encode(a, b, aa), encode(a, b, ba));
-
-        match (&at, &bt) {
-            (DiffTree::Diff(ad), DiffTree::Diff(bd)) => {
-                let d_r = ad.r.abs_diff(bd.r);
-                let d_g = ad.g.abs_diff(bd.g);
-                let d_b = ad.b.abs_diff(bd.b);
-
-                let visdiff = (d_r as usize + d_g as usize + d_b as usize) * aa.area();
-                if visdiff < 100 {
-                    return DiffTree::Diff(Pixel {
-                        r: ((ad.r as i16 + bd.r as i16) / 2) as i8,
-                        g: ((ad.g as i16 + bd.g as i16) / 2) as i8,
-                        b: ((ad.b as i16 + bd.b as i16) / 2) as i8,
-                    });
-                }
-            }
-            _ => (),
-        }
-        DiffTree::Split([Box::new(at), Box::new(bt)])
-    }
-}
-
-pub enum DiffTree {
-    Split([Box<DiffTree>; 2]),
-    Diff(Pixel<i8>),
-}
-
-#[derive(Debug, Clone, Copy)]
-pub struct Area {
-    x1: usize,
-    y1: usize,
-    x2: usize,
-    y2: usize,
-}
-
-#[inline]
-fn diff_clamp(x: u8, y: u8) -> i8 {
-    if y >= x {
-        (y - x).min(127) as i8
-    } else {
-        -((x - y).min(128) as i8)
-    }
-}
-pub fn diff_pixel(a: &Frame, b: &Frame, p: UVec2) -> Pixel<i8> {
-    let (ap, bp) = (a[p], b[p]);
-    Pixel {
-        r: diff_clamp(ap.r, bp.r),
-        g: diff_clamp(ap.g, bp.g),
-        b: diff_clamp(ap.b, bp.b),
-    }
-}
-
-pub fn apply_area_diff(frame: &mut Frame, Area { x1, y1, x2, y2 }: Area, diff: Pixel<i8>) {
-    for x in x1..x2 {
-        for y in y1..y2 {
-            let p = &mut frame[(x, y)];
-            p.r = p.r.saturating_add_signed(diff.r);
-            p.g = p.g.saturating_add_signed(diff.g);
-            p.b = p.b.saturating_add_signed(diff.b);
-        }
-    }
-}
-
-impl Area {
-    pub fn area(&self) -> usize {
-        self.width() as usize * self.height() as usize
-    }
-    pub fn width(&self) -> usize {
-        self.x2 - self.x1
-    }
-    pub fn height(&self) -> usize {
-        self.y2 - self.y1
-    }
-    pub fn split(&self) -> (Self, Self) {
-        let Area { x1, y1, x2, y2 } = *self;
-        if self.width() > self.height() {
-            let xm = (self.x1 + self.x2) / 2;
-            (Self { x1, x2: xm, y1, y2 }, Self { x1: xm, x2, y1, y2 })
-        } else {
-            let ym = (self.y1 + self.y2) / 2;
-            (Self { x1, x2, y1, y2: ym }, Self { x1, x2, y1: ym, y2 })
-        }
-    }
-}