mirror of
https://github.com/waveplate/img2irc.git
synced 2024-11-21 15:06:39 +00:00
add quarterblock and nograyscale mode
This commit is contained in:
Anatoly Bazarov
parent
715dfe5dac
commit
b29c009c42
@ -1,6 +1,6 @@
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[package]
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name = "img2irc"
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version = "1.0.2"
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version = "1.0.4"
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authors = ["waveplate"]
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github = "https://github.com/waveplate/img2irc"
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edition = "2021"
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10
README.md
10
README.md
@ -1,9 +1,11 @@
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# img2irc (1.0.2)
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# img2irc (1.0.4)
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img2irc is a utility which converts images to halfblock irc/ansi art, with a lot of post-processing filters
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img2irc is a utility which converts images to half or quarterblock irc/ansi art, with a lot of post-processing filters
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*halfblock* means that each row will contain two rows worth of pixels, effectively doubling the resolution
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*halfblock* means that each row will contain two rows worth of pixels, effectively doubling the vertical resolution
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*quarterblock* (experimental) means that each row will contain two rows worth of pixels, and each column will contain two columns worth of pixels, quadrupling the resolution
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the `irc` mode has 99 colours, the `ansi` mode has 256, `ansi24` has 16777216
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@ -17,6 +19,7 @@ the `irc` mode has 99 colours, the `ansi` mode has 256, `ansi24` has 16777216
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| `--irc` | irc render type | true |
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| `--ansi` | 8-bit ansi render type | false |
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| `--ansi24` | 24-bit ansi render type | false |
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| `--qb` | use quarterblocks | false |
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| `-w, --width <WIDTH>` | output image width in columns | 50 |
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| `-b, --brightness=<BRIGHTNESS>` | adjust brightness (-255 to 255) | 0 |
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| `-c, --contrast=<CONTRAST>` | adjust contrast (-255 to 255) | 0 |
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@ -28,6 +31,7 @@ the `irc` mode has 99 colours, the `ansi` mode has 256, `ansi24` has 16777216
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| `--gaussian-blur <GAUSSIAN_BLUR>` | gaussian blur radius | 0 |
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| `--oil <OIL>` | oil ("[RADIUS],[INTENSITY]") | |
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| `--grayscale` | converts image to black and white |
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| `--nograyscale` | exclude grayscale colours from the palette |
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| `--halftone` | made up of small dots creating a continuous-tone illusion |
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| `--sepia` | brownish, aged appearance like old photographs |
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| `--normalize` | adjusts brightness and contrast for better image quality |
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@ -19,6 +19,10 @@ pub struct Args {
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#[arg(long, default_value_t = false)]
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pub ansi24: bool,
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/// quarterblock
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#[arg(long, default_value_t = false)]
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pub qb: bool,
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/// image width to resize to
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#[arg(short, long, default_value_t = 50)]
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pub width: u32,
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@ -63,6 +67,10 @@ pub struct Args {
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#[arg(long, default_value_t = false)]
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pub grayscale: bool,
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/// no grayscale
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#[arg(long, default_value_t = false)]
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pub nograyscale: bool,
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/// halftone
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#[arg(long, default_value_t = false)]
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pub halftone: bool,
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218
src/draw.rs
218
src/draw.rs
@ -1,8 +1,39 @@
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use crate::palette::{RGB99, ANSI256, nearest_hex_color};
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use crate::args;
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use crate::palette::{RGB99, RGB88, ANSI232, ANSI256, nearest_hex_color};
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use photon_rs::PhotonImage;
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const CHAR: &str ="\u{2580}";
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// █ full
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const FULL: &str = "\u{2588}";
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// ▄ down
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const UP: &str = "\u{2580}";
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// ▀ up
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const DOWN: &str = "\u{2584}";
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// ▌ left
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const LEFT: &str = "\u{258C}";
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// ▐ right
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const RIGHT: &str = "\u{2590}";
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// ▞ diag_right
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const DIAG_RIGHT: &str = "\u{259E}";
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// ▚ diag_left
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const DIAG_LEFT: &str = "\u{259A}";
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// ▙ down_left (2596 prev)
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const DOWN_LEFT: &str = "\u{2599}";
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// ▟ down_right
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const DOWN_RIGHT: &str = "\u{259F}";
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// ▛ top_left
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const UP_LEFT: &str = "\u{259B}";
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// ▜ top_right
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const UP_RIGHT: &str = "\u{259C}";
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#[derive(Debug, Clone)]
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pub struct AnsiImage {
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@ -21,17 +52,23 @@ pub struct AnsiPixelPair {
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pub struct AnsiPixel {
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pub orig: u32,
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pub ansi: u8,
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pub ansi232: u8,
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pub irc: u8,
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pub irc88: u8,
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}
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impl AnsiPixel {
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pub fn new(pixel: &u32) -> AnsiPixel {
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let irc = nearest_hex_color(*pixel, RGB99.to_vec());
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let irc88 = nearest_hex_color(*pixel, RGB88.to_vec());
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let ansi = nearest_hex_color(*pixel, ANSI256.to_vec());
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let ansi232 = nearest_hex_color(*pixel, ANSI232.to_vec());
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AnsiPixel {
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orig: *pixel,
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ansi: ansi,
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ansi232: ansi232,
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irc: irc,
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irc88: irc88,
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}
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}
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}
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@ -61,7 +98,6 @@ impl AnsiImage {
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}
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pub fn make_rgb_u8(rgb: u32) -> [u8; 3] {
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// convert u32 to r,g,b
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let r = (rgb >> 16) as u8;
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let g = (rgb >> 8) as u8;
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let b = rgb as u8;
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@ -114,6 +150,33 @@ pub fn halfblock_bitmap(bitmap: &Vec<Vec<u32>>) -> Vec<Vec<AnsiPixelPair>> {
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ansi_canvas
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}
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fn get_qb_char(pixel_pairs: &[AnsiPixelPair]) -> &str {
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let (pair0_top, pair0_bottom) = (&pixel_pairs[0].top.irc, &pixel_pairs[0].bottom.irc);
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let (pair1_top, pair1_bottom) = (&pixel_pairs[1].top.irc, &pixel_pairs[1].bottom.irc);
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let ups_equal = pair0_top == pair1_top;
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let downs_equal = pair0_bottom == pair1_bottom;
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let lefts_equal = pair0_top == pair0_bottom;
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let rights_equal = pair1_top == pair1_bottom;
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let left_diag = pair0_top == pair1_bottom;
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let right_diag = pair1_top == pair0_bottom;
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match (ups_equal, downs_equal, lefts_equal, rights_equal, left_diag, right_diag) {
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(true, _, true, true, _, _) => FULL,
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(true, _, true, _, _, _) => UP_LEFT,
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(true, _, _, true, _, _) => UP_RIGHT,
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(true, _, _, _, _, _) => UP,
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(_, true, true, _, _, _) => DOWN_LEFT,
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(_, true, _, true, _, _) => DOWN_RIGHT,
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(_, true, _, _, _, _) => DOWN,
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(_, _, true, false, _, _) => LEFT,
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(_, _, false, true, _, _) => RIGHT,
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(_, _, _, _, true, _) => DIAG_LEFT,
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(_, _, _, _, _, true) => DIAG_RIGHT,
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_ => UP,
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}
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}
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pub fn ansi_draw_24bit(image: AnsiImage) -> String {
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let mut out: String = String::new();
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for (y, row) in image.halfblock.iter().enumerate() {
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@ -130,7 +193,7 @@ pub fn ansi_draw_24bit(image: AnsiImage) -> String {
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.map(|x| x.to_string())
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.collect::<Vec<String>>();
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out.push_str(format!("\x1b[38;2;{}m\x1b[48;2;{}m{}", fg.join(";"), bg.join(";"), CHAR).as_str());
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out.push_str(format!("\x1b[38;2;{}m\x1b[48;2;{}m{}", fg.join(";"), bg.join(";"), UP).as_str());
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}
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out.push_str("\x1b[0m");
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@ -141,14 +204,54 @@ pub fn ansi_draw_24bit(image: AnsiImage) -> String {
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return out
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}
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pub fn ansi_draw_8bit(image: AnsiImage) -> String {
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pub fn ansi_draw_24bit_qb(image: AnsiImage) -> String {
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let mut out: String = String::new();
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for (y, row) in image.halfblock.iter().enumerate() {
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for pixel_pairs in row.chunks(2) {
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let fg = make_rgb_u8(pixel_pairs[0].top.orig)
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.to_vec()
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.iter()
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.map(|x| x.to_string())
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.collect::<Vec<String>>();
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let bg = make_rgb_u8(pixel_pairs[0].bottom.orig)
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.to_vec()
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.iter()
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.map(|x| x.to_string())
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.collect::<Vec<String>>();
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let char = match y {
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_ if y == image.halfblock.len() - 1 => UP,
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_ => get_qb_char(pixel_pairs),
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};
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out.push_str(format!("\x1b[38;2;{}m\x1b[48;2;{}m{}", fg.join(";"), bg.join(";"), char).as_str());
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}
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out.push_str("\x1b[0m");
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if y != image.halfblock.len() - 1 {
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out.push_str("\n");
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}
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}
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return out
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}
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pub fn ansi_draw_8bit(image: AnsiImage, args: &args::Args) -> String {
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let mut out: String = String::new();
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for (y, row) in image.halfblock.iter().enumerate() {
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for pixel_pair in row.iter() {
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let fg = pixel_pair.top.ansi;
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let bg = pixel_pair.bottom.ansi;
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out.push_str(format!("\x1b[38;5;{}m\x1b[48;5;{}m{}", fg, bg, CHAR).as_str());
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let fg = match args.nograyscale {
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true => pixel_pair.top.ansi232,
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false => pixel_pair.top.ansi,
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};
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let bg = match args.nograyscale {
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true => pixel_pair.bottom.ansi232,
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false => pixel_pair.bottom.ansi,
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};
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out.push_str(format!("\x1b[38;5;{}m\x1b[48;5;{}m{}", fg, bg, UP).as_str());
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}
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out.push_str("\x1b[0m");
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@ -159,25 +262,108 @@ pub fn ansi_draw_8bit(image: AnsiImage) -> String {
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return out
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}
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pub fn irc_draw(image: AnsiImage) -> String {
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pub fn ansi_draw_8bit_qb(image: AnsiImage, args: &args::Args) -> String {
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let mut out: String = String::new();
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for (y, row) in image.halfblock.iter().enumerate() {
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for pixel_pairs in row.chunks(2) {
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let fg = match args.nograyscale {
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true => pixel_pairs[0].top.ansi232,
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false => pixel_pairs[0].top.ansi,
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};
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let bg = match args.nograyscale {
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true => pixel_pairs[0].bottom.ansi232,
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false => pixel_pairs[0].bottom.ansi,
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};
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let char = match y {
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_ if y == image.halfblock.len() - 1 => UP,
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_ => get_qb_char(pixel_pairs),
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};
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out.push_str(format!("\x1b[38;5;{}m\x1b[48;5;{}m{}", fg, bg, char).as_str());
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}
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out.push_str("\x1b[0m");
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if y != image.halfblock.len() - 1 {
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out.push_str("\n");
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}
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}
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return out
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}
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pub fn irc_draw(image: AnsiImage, args: &args::Args) -> String {
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let mut out: String = String::new();
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for (y, row) in image.halfblock.iter().enumerate() {
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let mut last_fg: u8 = 0;
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let mut last_bg: u8 = 0;
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for (x, pixel_pair) in row.iter().enumerate() {
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let fg = pixel_pair.top.irc;
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let bg = pixel_pair.bottom.irc;
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let fg = match args.nograyscale {
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true => pixel_pair.top.irc88,
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false => pixel_pair.top.irc,
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};
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let bg = match args.nograyscale {
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true => pixel_pair.bottom.irc88,
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false => pixel_pair.bottom.irc,
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};
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if x != 0 {
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if fg == last_fg && bg == last_bg {
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out.push_str(&format!("{}", CHAR));
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out.push_str(&format!("{}", UP));
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} else if bg == last_bg {
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out.push_str(&format!("\x03{}{}", fg, CHAR));
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out.push_str(&format!("\x03{}{}", fg, UP));
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} else {
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out.push_str(&format!("\x03{},{}{}", fg, bg, CHAR));
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out.push_str(&format!("\x03{},{}{}", fg, bg, UP));
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}
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} else {
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out.push_str(&format!("\x03{},{}{}", fg, bg, CHAR));
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out.push_str(&format!("\x03{},{}{}", fg, bg, UP));
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}
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last_fg = fg;
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last_bg = bg;
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}
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out.push_str("\x0f");
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if y != image.halfblock.len() - 1 {
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out.push_str("\n");
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}
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}
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return out
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}
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pub fn irc_draw_qb(image: AnsiImage, args: &args::Args) -> String {
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let mut out: String = String::new();
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for (y, row) in image.halfblock.iter().enumerate() {
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let mut last_fg: u8 = 0;
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let mut last_bg: u8 = 0;
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for (x, pixel_pairs) in row.chunks(2).enumerate() {
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let fg = match args.nograyscale {
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true => pixel_pairs[0].top.irc88,
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false => pixel_pairs[0].top.irc,
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};
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let bg = match args.nograyscale {
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true => pixel_pairs[0].bottom.irc88,
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false => pixel_pairs[0].bottom.irc,
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};
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let char = match y {
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_ if y == image.halfblock.len() - 1 => UP,
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_ => get_qb_char(pixel_pairs),
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};
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if x == 0 {
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out.push_str(&format!("\x03{},{}{}", fg, bg, char));
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} else {
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if fg == last_fg && bg == last_bg {
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out.push_str(&format!("{}", char));
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} else if bg == last_bg {
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out.push_str(&format!("\x03{}{}", fg, char));
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} else {
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out.push_str(&format!("\x03{},{}{}", fg, bg, char));
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}
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}
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last_fg = fg;
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@ -13,7 +13,15 @@ pub fn apply_effects(
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let height =
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(args.width as f32 / photon_image.get_width() as f32 * photon_image.get_height() as f32) as u32;
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photon_image = resize(&mut photon_image, args.width, height, SamplingFilter::Lanczos3);
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let width = match args.qb {
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true => args.width * 2,
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_ => args.width,
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};
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photon_image = match args.qb {
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true => resize(&photon_image, width, height, SamplingFilter::Lanczos3),
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_ => resize(&mut photon_image, width, height, SamplingFilter::Lanczos3),
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};
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// Adjust brightness
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match args.brightness {
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17
src/main.rs
17
src/main.rs
@ -23,14 +23,15 @@ async fn main() {
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let canvas = draw::AnsiImage::new(image);
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if args.irc {
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println!("{}", draw::irc_draw(canvas).as_str());
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} else if args.ansi {
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println!("{}", draw::ansi_draw_8bit(canvas).as_str());
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} else if args.ansi24 {
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println!("{}", draw::ansi_draw_24bit(canvas).as_str());
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} else {
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println!("{}", draw::irc_draw(canvas).as_str());
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match (args.irc, args.ansi, args.ansi24, args.qb) {
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(true, _, _, true) => println!("{}", draw::irc_draw_qb(canvas, &args).as_str()),
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(true, _, _, false) => println!("{}", draw::irc_draw(canvas, &args).as_str()),
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(_, true, _, true) => println!("{}", draw::ansi_draw_8bit_qb(canvas, &args).as_str()),
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(_, true, _, false) => println!("{}", draw::ansi_draw_8bit(canvas, &args).as_str()),
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(_, _, true, true) => println!("{}", draw::ansi_draw_24bit_qb(canvas).as_str()),
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(_, _, true, false) => println!("{}", draw::ansi_draw_24bit(canvas).as_str()),
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(_, _, _, true) => println!("{}", draw::irc_draw_qb(canvas, &args).as_str()),
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_ => println!("{}", draw::irc_draw(canvas, &args).as_str()),
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}
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}
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@ -1,3 +1,17 @@
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pub const RGB88: [u32; 88] = [
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0xffffff, 0x000000, 0x00007f, 0x009300, 0xff0000, 0x7f0000, 0x9c009c, 0xfc7f00,
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0xffff00, 0x00fc00, 0x009393, 0x00ffff, 0x0000fc, 0xff00ff, 0x0, 0x0,
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0x470000, 0x472100, 0x474700, 0x324700, 0x004700, 0x00472c, 0x004747, 0x002747,
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0x000047, 0x2e0047, 0x470047, 0x47002a, 0x740000, 0x743a00, 0x747400, 0x517400,
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0x007400, 0x007449, 0x007474, 0x004074, 0x000074, 0x4b0074, 0x740074, 0x740045,
|
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0xb50000, 0xb56300, 0xb5b500, 0x7db500, 0x00b500, 0x00b571, 0x00b5b5, 0x0063b5,
|
||||
0x0000b5, 0x7500b5, 0xb500b5, 0xb5006b, 0xff0000, 0xff8c00, 0xffff00, 0xb2ff00,
|
||||
0x00ff00, 0x00ffa0, 0x00ffff, 0x008cff, 0x0000ff, 0xa500ff, 0xff00ff, 0xff0098,
|
||||
0xff5959, 0xffb459, 0xffff71, 0xcfff60, 0x6fff6f, 0x65ffc9, 0x6dffff, 0x59b4ff,
|
||||
0x5959ff, 0xc459ff, 0xff66ff, 0xff59bc, 0xff9c9c, 0xffd39c, 0xffff9c, 0xe2ff9c,
|
||||
0x9cff9c, 0x9cffdb, 0x9cffff, 0x9cd3ff, 0x9c9cff, 0xdc9cff, 0xff9cff, 0xff94d3,
|
||||
];
|
||||
|
||||
pub const RGB99: [u32; 99] = [
|
||||
0xffffff, 0x000000, 0x00007f, 0x009300, 0xff0000, 0x7f0000, 0x9c009c, 0xfc7f00,
|
||||
0xffff00, 0x00fc00, 0x009393, 0x00ffff, 0x0000fc, 0xff00ff, 0x7f7f7f, 0xd2d2d2,
|
||||
@ -49,6 +63,38 @@ pub const ANSI256: [u32; 256] = [
|
||||
0xa8a8a8, 0xb2b2b2, 0xbcbcbc, 0xc6c6c6, 0xd0d0d0, 0xdadada, 0xe4e4e4, 0xeeeeee
|
||||
];
|
||||
|
||||
pub const ANSI232: [u32; 232] = [
|
||||
0x000000, 0x800000, 0x008000, 0x808000, 0x000080, 0x800080, 0x008080, 0x0,
|
||||
0x0, 0xff0000, 0x00ff00, 0xffff00, 0x0000ff, 0xff00ff, 0x00ffff, 0x0,
|
||||
0x0, 0x00005f, 0x000087, 0x0000af, 0x0000d7, 0x0000ff, 0x005f00, 0x005f5f,
|
||||
0x005f87, 0x005faf, 0x005fd7, 0x005fff, 0x008700, 0x00875f, 0x008787, 0x0087af,
|
||||
0x0087d7, 0x0087ff, 0x00af00, 0x00af5f, 0x00af87, 0x00afaf, 0x00afd7, 0x00afff,
|
||||
0x00d700, 0x00d75f, 0x00d787, 0x00d7af, 0x00d7d7, 0x00d7ff, 0x00ff00, 0x00ff5f,
|
||||
0x00ff87, 0x00ffaf, 0x00ffd7, 0x00ffff, 0x5f0000, 0x5f005f, 0x5f0087, 0x5f00af,
|
||||
0x5f00d7, 0x5f00ff, 0x5f5f00, 0x0, 0x5f5f87, 0x5f5faf, 0x5f5fd7, 0x5f5fff,
|
||||
0x5f8700, 0x5f875f, 0x5f8787, 0x5f87af, 0x5f87d7, 0x5f87ff, 0x5faf00, 0x5faf5f,
|
||||
0x5faf87, 0x5fafaf, 0x5fafd7, 0x5fafff, 0x5fd700, 0x5fd75f, 0x5fd787, 0x5fd7af,
|
||||
0x5fd7d7, 0x5fd7ff, 0x5fff00, 0x5fff5f, 0x5fff87, 0x5fffaf, 0x5fffd7, 0x5fffff,
|
||||
0x870000, 0x87005f, 0x870087, 0x8700af, 0x8700d7, 0x8700ff, 0x875f00, 0x875f5f,
|
||||
0x875f87, 0x875faf, 0x875fd7, 0x875fff, 0x878700, 0x87875f, 0x0, 0x8787af,
|
||||
0x8787d7, 0x8787ff, 0x87af00, 0x87af5f, 0x87af87, 0x87afaf, 0x87afd7, 0x87afff,
|
||||
0x87d700, 0x87d75f, 0x87d787, 0x87d7af, 0x87d7d7, 0x87d7ff, 0x87ff00, 0x87ff5f,
|
||||
0x87ff87, 0x87ffaf, 0x87ffd7, 0x87ffff, 0xaf0000, 0xaf005f, 0xaf0087, 0xaf00af,
|
||||
0xaf00d7, 0xaf00ff, 0xaf5f00, 0xaf5f5f, 0xaf5f87, 0xaf5faf, 0xaf5fd7, 0xaf5fff,
|
||||
0xaf8700, 0xaf875f, 0xaf8787, 0xaf87af, 0xaf87d7, 0xaf87ff, 0xafaf00, 0xafaf5f,
|
||||
0xafaf87, 0x0, 0xafafd7, 0xafafff, 0xafd700, 0xafd75f, 0xafd787, 0xafd7af,
|
||||
0xafd7d7, 0xafd7ff, 0xafff00, 0xafff5f, 0xafff87, 0xafffaf, 0xafffd7, 0xafffff,
|
||||
0xd70000, 0xd7005f, 0xd70087, 0xd700af, 0xd700d7, 0xd700ff, 0xd75f00, 0xd75f5f,
|
||||
0xd75f87, 0xd75faf, 0xd75fd7, 0xd75fff, 0xd78700, 0xd7875f, 0xd78787, 0xd787af,
|
||||
0xd787d7, 0xd787ff, 0xd7af00, 0xd7af5f, 0xd7af87, 0xd7afaf, 0xd7afd7, 0xd7afff,
|
||||
0xd7d700, 0xd7d75f, 0xd7d787, 0xd7d7af, 0x0, 0xd7d7ff, 0xd7ff00, 0xd7ff5f,
|
||||
0xd7ff87, 0xd7ffaf, 0xd7ffd7, 0xd7ffff, 0xff0000, 0xff005f, 0xff0087, 0xff00af,
|
||||
0xff00d7, 0xff00ff, 0xff5f00, 0xff5f5f, 0xff5f87, 0xff5faf, 0xff5fd7, 0xff5fff,
|
||||
0xff8700, 0xff875f, 0xff8787, 0xff87af, 0xff87d7, 0xff87ff, 0xffaf00, 0xffaf5f,
|
||||
0xffaf87, 0xffafaf, 0xffafd7, 0xffafff, 0xffd700, 0xffd75f, 0xffd787, 0xffd7af,
|
||||
0xffd7d7, 0xffd7ff, 0xffff00, 0xffff5f, 0xffff87, 0xffffaf, 0xffffd7, 0xffffff,
|
||||
];
|
||||
|
||||
fn hex_to_rgb(hex: u32) -> (u8, u8, u8) {
|
||||
let r = ((hex >> 16) & 0xFF) as u8;
|
||||
let g = ((hex >> 8) & 0xFF) as u8;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user