mirror of
https://github.com/sxyazi/yazi.git
synced 2026-07-25 08:41:05 +00:00
401 lines
6.4 KiB
Rust
401 lines
6.4 KiB
Rust
use std::{io::{stdout, BufWriter, Write}, path::Path};
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use anyhow::Result;
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use base64::{engine::general_purpose, Engine};
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use image::DynamicImage;
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use ratatui::prelude::Rect;
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use yazi_shared::Term;
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use super::image::Image;
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use crate::{CLOSE, ESCAPE, START};
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static DIACRITICS: [char; 297] = [
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'\u{0305}',
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'\u{030D}',
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'\u{030E}',
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'\u{0310}',
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'\u{0312}',
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'\u{033D}',
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'\u{033E}',
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'\u{033F}',
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'\u{0346}',
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'\u{034A}',
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'\u{034B}',
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'\u{034C}',
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'\u{0350}',
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'\u{0351}',
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'\u{0352}',
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'\u{0357}',
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'\u{035B}',
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'\u{0363}',
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'\u{0364}',
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'\u{0365}',
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'\u{0366}',
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'\u{0367}',
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'\u{0368}',
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'\u{0369}',
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'\u{036A}',
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'\u{036B}',
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'\u{036C}',
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'\u{036D}',
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'\u{036E}',
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'\u{036F}',
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'\u{0483}',
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'\u{0484}',
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'\u{0485}',
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'\u{0486}',
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'\u{0487}',
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'\u{0592}',
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'\u{0593}',
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'\u{0594}',
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'\u{0595}',
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'\u{0597}',
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'\u{0598}',
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'\u{0599}',
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'\u{059C}',
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'\u{059D}',
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'\u{059E}',
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'\u{059F}',
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'\u{05A0}',
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'\u{05A1}',
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'\u{05A8}',
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'\u{05A9}',
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'\u{05AB}',
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'\u{05AC}',
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'\u{05AF}',
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'\u{05C4}',
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'\u{0610}',
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'\u{0611}',
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'\u{0612}',
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'\u{0613}',
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'\u{0614}',
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'\u{0615}',
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'\u{0616}',
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'\u{0617}',
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'\u{0657}',
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'\u{0658}',
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'\u{0659}',
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'\u{065A}',
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'\u{065B}',
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'\u{065D}',
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'\u{065E}',
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'\u{06D6}',
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'\u{06D7}',
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'\u{06D8}',
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'\u{06D9}',
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'\u{06DA}',
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'\u{06DB}',
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'\u{06DC}',
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'\u{06DF}',
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'\u{06E0}',
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'\u{06E1}',
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'\u{06E2}',
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'\u{06E4}',
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'\u{06E7}',
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'\u{06E8}',
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'\u{06EB}',
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'\u{06EC}',
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'\u{0730}',
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'\u{0732}',
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'\u{0733}',
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'\u{0735}',
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'\u{0736}',
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'\u{073A}',
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'\u{073D}',
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'\u{073F}',
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'\u{0740}',
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'\u{0741}',
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'\u{0743}',
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'\u{0745}',
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'\u{0747}',
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'\u{0749}',
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'\u{074A}',
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'\u{07EB}',
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'\u{07EC}',
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'\u{07ED}',
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'\u{07EE}',
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'\u{07EF}',
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'\u{07F0}',
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'\u{07F1}',
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'\u{07F3}',
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'\u{0816}',
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'\u{0817}',
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'\u{0818}',
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'\u{0819}',
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'\u{081B}',
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'\u{081C}',
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'\u{081D}',
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'\u{081E}',
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'\u{081F}',
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'\u{0820}',
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'\u{0821}',
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'\u{0822}',
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'\u{0823}',
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'\u{0825}',
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'\u{0826}',
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'\u{0827}',
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'\u{0829}',
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'\u{082A}',
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'\u{082B}',
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'\u{082C}',
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'\u{082D}',
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'\u{0951}',
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'\u{0953}',
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'\u{0954}',
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'\u{0F82}',
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'\u{0F83}',
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'\u{0F86}',
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'\u{0F87}',
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'\u{135D}',
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'\u{135E}',
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'\u{135F}',
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'\u{17DD}',
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'\u{193A}',
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'\u{1A17}',
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'\u{1A75}',
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'\u{1A76}',
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'\u{1A77}',
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'\u{1A78}',
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'\u{1A79}',
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'\u{1A7A}',
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'\u{1A7B}',
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'\u{1A7C}',
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'\u{1B6B}',
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'\u{1B6D}',
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'\u{1B6E}',
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'\u{1B6F}',
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'\u{1B70}',
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'\u{1B71}',
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'\u{1B72}',
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'\u{1B73}',
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'\u{1CD0}',
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'\u{1CD1}',
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'\u{1CD2}',
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'\u{1CDA}',
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'\u{1CDB}',
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'\u{1CE0}',
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'\u{1DC0}',
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'\u{1DC1}',
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'\u{1DC3}',
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'\u{1DC4}',
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'\u{1DC5}',
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'\u{1DC6}',
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'\u{1DC7}',
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'\u{1DC8}',
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'\u{1DC9}',
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'\u{1DCB}',
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'\u{1DCC}',
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'\u{1DD1}',
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'\u{1DD2}',
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'\u{1DD3}',
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'\u{1DD4}',
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'\u{1DD5}',
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'\u{1DD6}',
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'\u{1DD7}',
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'\u{1DD8}',
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'\u{1DD9}',
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'\u{1DDA}',
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'\u{1DDB}',
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'\u{1DDC}',
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'\u{1DDD}',
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'\u{1DDE}',
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'\u{1DDF}',
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'\u{1DE0}',
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'\u{1DE1}',
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'\u{1DE2}',
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'\u{1DE3}',
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'\u{1DE4}',
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'\u{1DE5}',
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'\u{1DE6}',
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'\u{1DFE}',
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'\u{20D0}',
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'\u{20D1}',
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'\u{20D4}',
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'\u{20D5}',
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'\u{20D6}',
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'\u{20D7}',
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'\u{20DB}',
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'\u{20DC}',
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'\u{20E1}',
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'\u{20E7}',
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'\u{20E9}',
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'\u{20F0}',
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'\u{2CEF}',
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'\u{2CF0}',
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'\u{2CF1}',
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'\u{2DE0}',
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'\u{2DE1}',
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'\u{2DE2}',
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'\u{2DE3}',
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'\u{2DE4}',
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'\u{2DE5}',
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'\u{2DE6}',
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'\u{2DE7}',
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'\u{2DE8}',
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'\u{2DE9}',
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'\u{2DEA}',
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'\u{2DEB}',
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'\u{2DEC}',
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'\u{2DED}',
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'\u{2DEE}',
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'\u{2DEF}',
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'\u{2DF0}',
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'\u{2DF1}',
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'\u{2DF2}',
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'\u{2DF3}',
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'\u{2DF4}',
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'\u{2DF5}',
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'\u{2DF6}',
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'\u{2DF7}',
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'\u{2DF8}',
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'\u{2DF9}',
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'\u{2DFA}',
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'\u{2DFB}',
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'\u{2DFC}',
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'\u{2DFD}',
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'\u{2DFE}',
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'\u{2DFF}',
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'\u{A66F}',
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'\u{A67C}',
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'\u{A67D}',
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'\u{A6F0}',
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'\u{A6F1}',
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'\u{A8E0}',
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'\u{A8E1}',
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'\u{A8E2}',
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'\u{A8E3}',
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'\u{A8E4}',
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'\u{A8E5}',
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'\u{A8E6}',
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'\u{A8E7}',
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'\u{A8E8}',
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'\u{A8E9}',
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'\u{A8EA}',
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'\u{A8EB}',
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'\u{A8EC}',
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'\u{A8ED}',
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'\u{A8EE}',
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'\u{A8EF}',
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'\u{A8F0}',
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'\u{A8F1}',
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'\u{AAB0}',
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'\u{AAB2}',
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'\u{AAB3}',
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'\u{AAB7}',
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'\u{AAB8}',
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'\u{AABE}',
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'\u{AABF}',
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'\u{AAC1}',
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'\u{FE20}',
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'\u{FE21}',
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'\u{FE22}',
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'\u{FE23}',
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'\u{FE24}',
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'\u{FE25}',
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'\u{FE26}',
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'\u{10A0F}',
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'\u{10A38}',
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'\u{1D185}',
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'\u{1D186}',
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'\u{1D187}',
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'\u{1D188}',
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'\u{1D189}',
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'\u{1D1AA}',
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'\u{1D1AB}',
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'\u{1D1AC}',
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'\u{1D1AD}',
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'\u{1D242}',
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'\u{1D243}',
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'\u{1D244}',
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];
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pub(super) struct Kitty;
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impl Kitty {
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pub(super) async fn image_show(path: &Path, rect: Rect) -> Result<()> {
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let img = Image::downscale(path, (rect.width, rect.height)).await?;
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let b = Self::encode(img).await?;
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Self::image_hide(rect)?;
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Term::move_lock(stdout().lock(), (rect.x, rect.y), |stdout| {
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stdout.write_all(&b)?;
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let mut buf = String::with_capacity(rect.width as usize * 3 + 20);
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for y in 0..rect.height {
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Term::move_to(stdout, rect.x, rect.y + y)?;
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buf.clear();
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buf.push_str("\x1b[38;5;1m");
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for x in 0..rect.width {
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buf.push('\u{10EEEE}');
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buf.push(*DIACRITICS.get(y as usize).unwrap_or(&DIACRITICS[0]));
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buf.push(*DIACRITICS.get(x as usize).unwrap_or(&DIACRITICS[0]));
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}
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buf.push_str("\x1b[0m");
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stdout.write_all(buf.as_bytes())?;
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}
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Ok(())
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})
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}
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pub(super) fn image_hide(rect: Rect) -> Result<()> {
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let stdout = BufWriter::new(stdout().lock());
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let s = " ".repeat(rect.width as usize);
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Term::move_lock(stdout, (0, 0), |stdout| {
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for y in rect.top()..rect.bottom() {
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Term::move_to(stdout, rect.x, y)?;
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stdout.write_all(s.as_bytes())?;
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}
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stdout.write_all(format!("{}_Gq=1,a=d,d=A{}\\{}", START, ESCAPE, CLOSE).as_bytes())?;
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Ok(())
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})
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}
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async fn encode(img: DynamicImage) -> Result<Vec<u8>> {
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fn output(raw: &[u8], format: u8, size: (u32, u32)) -> Result<Vec<u8>> {
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let b64 = general_purpose::STANDARD.encode(raw).chars().collect::<Vec<_>>();
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let mut it = b64.chunks(4096).peekable();
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let mut buf = Vec::with_capacity(b64.len() + it.len() * 50);
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if let Some(first) = it.next() {
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write!(
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buf,
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"{}_Gq=1,a=T,i=1,C=1,U=1,f={},s={},v={},m={};{}{}\\{}",
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START,
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format,
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size.0,
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size.1,
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it.peek().is_some() as u8,
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first.iter().collect::<String>(),
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ESCAPE,
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CLOSE
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)?;
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}
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while let Some(chunk) = it.next() {
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write!(
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buf,
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"{}_Gm={};{}{}\\{}",
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START,
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it.peek().is_some() as u8,
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chunk.iter().collect::<String>(),
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ESCAPE,
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CLOSE
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)?;
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}
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buf.write_all(CLOSE.as_bytes())?;
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Ok(buf)
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}
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let size = (img.width(), img.height());
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tokio::task::spawn_blocking(move || match img {
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DynamicImage::ImageRgb8(v) => output(v.as_raw(), 24, size),
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DynamicImage::ImageRgba8(v) => output(v.as_raw(), 32, size),
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v => output(v.to_rgb8().as_raw(), 24, size),
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})
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.await?
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}
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}
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