fast image operations
Diffstat (limited to 'src/term/bloc.rs')
-rw-r--r--src/term/bloc.rs115
1 files changed, 0 insertions, 115 deletions
diff --git a/src/term/bloc.rs b/src/term/bloc.rs
deleted file mode 100644
index 58c8655..0000000
--- a/src/term/bloc.rs
+++ /dev/null
@@ -1,115 +0,0 @@
-use super::Basic;
-use crate::{pixels::convert::PFrom, scale, term::size::fit, Image};
-use core::intrinsics::transmute_unchecked as transmute;
-use std::fmt::{Debug, Display, Formatter, Result, Write};
-
-/// Colored `â–€`s. The simple, stupid solution.
-/// May be too big for your terminal.
-pub struct Bloc<T: AsRef<[u8]>, const N: usize>(pub Image<T, N>);
-impl<T: AsRef<[u8]>, const N: usize> std::ops::Deref for Bloc<T, N> {
- type Target = Image<T, N>;
-
- fn deref(&self) -> &Self::Target {
- &self.0
- }
-}
-
-impl<T: AsRef<[u8]>, const N: usize> Display for Bloc<T, N>
-where
- [(); N]: Basic,
-{
- fn fmt(&self, f: &mut Formatter<'_>) -> Result {
- self.write(f)
- }
-}
-
-impl<T: AsRef<[u8]>, const N: usize> Debug for Bloc<T, N>
-where
- [(); N]: Basic,
-{
- fn fmt(&self, f: &mut Formatter<'_>) -> Result {
- self.write(f)
- }
-}
-
-impl<T: AsRef<[u8]>, const N: usize> Bloc<T, N>
-where
- [(); N]: Basic,
-{
- /// Write out halfblocks.
- pub fn write(&self, to: &mut impl Write) -> Result {
- macro_rules! c {
- (fg $fg:expr, bg $bg:expr) => {{
- let [fr, fg, fb] = $fg;
- let [br, bg, bb] = $bg;
- write!(to, "\x1b[38;2;{fr};{fg};{fb};48;2;{br};{bg};{bb}mâ–€")?;
- }};
- }
- let buf;
- let i = if !cfg!(test) {
- let (w, h) = fit((self.width(), self.height()));
- macro_rules! n {
- ($n:literal) => {
- self.as_ref()
- .trans::<$n>()
- .scale::<scale::Nearest>(w, h)
- .trans::<N>()
- };
- (o $n:literal) => {
- self.as_ref()
- .to_owned()
- .trans::<1>()
- .scale::<scale::Nearest>(w, h)
- .trans::<N>()
- };
- }
- // SAFETY: #[allow(clippy::undocumented_unsafe_blocks)]
- buf = unsafe {
- match N {
- 1 => n![1],
- 2 => n![o 2],
- 3 => n![3],
- 4 => n![o 4],
- _ => unreachable!(),
- }
- };
- buf.as_ref()
- } else {
- self.as_ref()
- };
-
- for [a, b] in i
- .flatten()
- .chunks_exact(i.width() as _)
- .map(|x| {
- #[allow(clippy::undocumented_unsafe_blocks)]
- x.iter().copied().map(|x| unsafe {
- match N {
- 1 => <[u8; 3] as PFrom<1>>::pfrom(transmute(x)),
- 2 => <[u8; 3] as PFrom<2>>::pfrom(transmute(x)),
- 3 => <[u8; 3] as PFrom<3>>::pfrom(transmute(x)),
- 4 => <[u8; 3] as PFrom<4>>::pfrom(transmute(x)),
- _ => unreachable!(),
- }
- })
- })
- .array_chunks::<2>()
- {
- for (a, b) in a.zip(b) {
- c! { fg a, bg b };
- }
- writeln!(to)?;
- }
- write!(to, "\x1b[0m")?;
- Ok(())
- }
-}
-
-#[test]
-fn test() {
- let x = Image::<_, 3>::open("tdata/small_cat.png");
- use std::hash::Hasher;
- let mut h = std::hash::DefaultHasher::new();
- h.write(Bloc(x).to_string().as_bytes());
- assert_eq!(h.finish(), 0x6546104ffee16f77);
-}