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Fully functional background colors :D
This commit is contained in:
parent
06107afdd4
commit
092284b062
1
Cargo.lock
generated
1
Cargo.lock
generated
@ -4880,6 +4880,7 @@ dependencies = [
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"editor",
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"futures",
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"gpui",
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"itertools",
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"mio-extras",
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"ordered-float",
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"project",
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@ -20,6 +20,8 @@ smallvec = { version = "1.6", features = ["union"] }
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mio-extras = "2.0.6"
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futures = "0.3"
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ordered-float = "2.1.1"
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itertools = "0.10"
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[dev-dependencies]
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gpui = { path = "../gpui", features = ["test-support"] }
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96
crates/terminal/print256color.sh
Executable file
96
crates/terminal/print256color.sh
Executable file
@ -0,0 +1,96 @@
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#!/bin/bash
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# Tom Hale, 2016. MIT Licence.
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# Print out 256 colours, with each number printed in its corresponding colour
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# See http://askubuntu.com/questions/821157/print-a-256-color-test-pattern-in-the-terminal/821163#821163
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set -eu # Fail on errors or undeclared variables
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printable_colours=256
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# Return a colour that contrasts with the given colour
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# Bash only does integer division, so keep it integral
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function contrast_colour {
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local r g b luminance
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colour="$1"
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if (( colour < 16 )); then # Initial 16 ANSI colours
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(( colour == 0 )) && printf "15" || printf "0"
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return
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fi
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# Greyscale # rgb_R = rgb_G = rgb_B = (number - 232) * 10 + 8
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if (( colour > 231 )); then # Greyscale ramp
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(( colour < 244 )) && printf "15" || printf "0"
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return
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fi
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# All other colours:
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# 6x6x6 colour cube = 16 + 36*R + 6*G + B # Where RGB are [0..5]
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# See http://stackoverflow.com/a/27165165/5353461
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# r=$(( (colour-16) / 36 ))
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g=$(( ((colour-16) % 36) / 6 ))
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# b=$(( (colour-16) % 6 ))
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# If luminance is bright, print number in black, white otherwise.
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# Green contributes 587/1000 to human perceived luminance - ITU R-REC-BT.601
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(( g > 2)) && printf "0" || printf "15"
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return
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# Uncomment the below for more precise luminance calculations
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# # Calculate percieved brightness
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# # See https://www.w3.org/TR/AERT#color-contrast
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# # and http://www.itu.int/rec/R-REC-BT.601
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# # Luminance is in range 0..5000 as each value is 0..5
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# luminance=$(( (r * 299) + (g * 587) + (b * 114) ))
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# (( $luminance > 2500 )) && printf "0" || printf "15"
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}
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# Print a coloured block with the number of that colour
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function print_colour {
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local colour="$1" contrast
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contrast=$(contrast_colour "$1")
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printf "\e[48;5;%sm" "$colour" # Start block of colour
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printf "\e[38;5;%sm%3d" "$contrast" "$colour" # In contrast, print number
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printf "\e[0m " # Reset colour
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}
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# Starting at $1, print a run of $2 colours
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function print_run {
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local i
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for (( i = "$1"; i < "$1" + "$2" && i < printable_colours; i++ )) do
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print_colour "$i"
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done
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printf " "
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}
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# Print blocks of colours
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function print_blocks {
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local start="$1" i
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local end="$2" # inclusive
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local block_cols="$3"
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local block_rows="$4"
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local blocks_per_line="$5"
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local block_length=$((block_cols * block_rows))
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# Print sets of blocks
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for (( i = start; i <= end; i += (blocks_per_line-1) * block_length )) do
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printf "\n" # Space before each set of blocks
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# For each block row
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for (( row = 0; row < block_rows; row++ )) do
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# Print block columns for all blocks on the line
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for (( block = 0; block < blocks_per_line; block++ )) do
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print_run $(( i + (block * block_length) )) "$block_cols"
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done
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(( i += block_cols )) # Prepare to print the next row
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printf "\n"
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done
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done
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}
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print_run 0 16 # The first 16 colours are spread over the whole spectrum
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printf "\n"
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print_blocks 16 231 6 6 3 # 6x6x6 colour cube between 16 and 231 inclusive
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print_blocks 232 255 12 2 1 # Not 50, but 24 Shades of Grey
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@ -14,39 +14,76 @@ use gpui::{
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geometry::{rect::RectF, vector::vec2f},
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json::json,
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text_layout::Line,
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Event, MouseRegion, PaintContext, Quad, WeakViewHandle,
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Event, FontCache, MouseRegion, PaintContext, Quad, SizeConstraint, WeakViewHandle,
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};
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use itertools::Itertools;
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use ordered_float::OrderedFloat;
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use settings::Settings;
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use std::rc::Rc;
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use std::{iter, rc::Rc};
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use theme::TerminalStyle;
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use crate::{Input, ScrollTerminal, Terminal};
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///Scrolling is unbearably sluggish by default. Alacritty supports a configurable
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///Scroll multiplier that is set to 3 by default. This will be removed when I
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///Implement scroll bars.
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const ALACRITTY_SCROLL_MULTIPLIER: f32 = 3.;
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///Used to display the grid as passed to Alacritty and the TTY.
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///Useful for debugging inconsistencies between behavior and display
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#[cfg(debug_assertions)]
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const DEBUG_GRID: bool = false;
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///The GPUI element that paints the terminal.
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pub struct TerminalEl {
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view: WeakViewHandle<Terminal>,
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}
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///Represents a span of cells in a single line in the terminal's grid.
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///This is used for drawing background rectangles
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#[derive(Debug, Default, Copy, Clone, Eq, PartialEq, PartialOrd, Ord)]
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pub struct LineSpan {
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start: i32,
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end: i32,
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line: usize,
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color: Color,
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}
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impl LineSpan {
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///Creates a new LineSpan. `start` must be <= `end`.
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///If `start` == `end`, then this span is considered to be over a
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/// single cell
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fn new(start: i32, end: i32, line: usize, color: Color) -> LineSpan {
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debug_assert!(start <= end);
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LineSpan {
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start,
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end,
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line,
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color,
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}
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}
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}
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struct CellWidth(f32);
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struct LineHeight(f32);
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///The information generated during layout that is nescessary for painting
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pub struct LayoutState {
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lines: Vec<Line>,
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line_height: LineHeight,
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em_width: CellWidth,
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cursor: Option<(RectF, Color)>,
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cur_size: SizeInfo,
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background_color: Color,
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background_rects: Vec<(RectF, Color)>, //Vec index == Line index for the LineSpan
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}
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impl TerminalEl {
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pub fn new(view: WeakViewHandle<Terminal>) -> TerminalEl {
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TerminalEl { view }
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}
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}
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pub struct LayoutState {
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lines: Vec<Line>,
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line_height: f32,
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em_width: f32,
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cursor: Option<(RectF, Color)>,
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cur_size: SizeInfo,
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background_color: Color,
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}
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impl Element for TerminalEl {
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type LayoutState = LayoutState;
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type PaintState = ();
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@ -56,73 +93,56 @@ impl Element for TerminalEl {
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constraint: gpui::SizeConstraint,
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cx: &mut gpui::LayoutContext,
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) -> (gpui::geometry::vector::Vector2F, Self::LayoutState) {
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let view = self.view.upgrade(cx).unwrap();
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let size = constraint.max;
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let settings = cx.global::<Settings>();
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let editor_theme = &settings.theme.editor;
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let font_cache = cx.font_cache();
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//Set up text rendering
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let text_style = TextStyle {
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color: editor_theme.text_color,
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font_family_id: settings.buffer_font_family,
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font_family_name: font_cache.family_name(settings.buffer_font_family).unwrap(),
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font_id: font_cache
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.select_font(settings.buffer_font_family, &Default::default())
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.unwrap(),
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font_size: settings.buffer_font_size,
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font_properties: Default::default(),
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underline: Default::default(),
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};
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let line_height = font_cache.line_height(text_style.font_size);
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let cell_width = font_cache.em_advance(text_style.font_id, text_style.font_size);
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let new_size = SizeInfo::new(
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size.x() - cell_width,
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size.y(),
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cell_width,
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line_height,
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0.,
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0.,
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false,
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//Settings immutably borrows cx here for the settings and font cache
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//and we need to modify the cx to resize the terminal. So instead of
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//storing Settings or the font_cache(), we toss them ASAP and then reborrow later
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let text_style = make_text_style(cx.font_cache(), cx.global::<Settings>());
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let line_height = LineHeight(cx.font_cache().line_height(text_style.font_size));
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let cell_width = CellWidth(
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cx.font_cache()
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.em_advance(text_style.font_id, text_style.font_size),
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);
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view.update(cx.app, |view, _cx| {
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view.set_size(new_size);
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});
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let view_handle = self.view.upgrade(cx).unwrap();
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let settings = cx.global::<Settings>();
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let terminal_theme = &settings.theme.terminal;
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let term = view.read(cx).term.lock();
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//Tell the view our new size. Requires a mutable borrow of cx and the view
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let cur_size = make_new_size(constraint, &cell_width, &line_height);
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//Note that set_size locks and mutates the terminal.
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//TODO: Would be nice to lock once for the whole of layout
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view_handle.update(cx.app, |view, _cx| view.set_size(cur_size));
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//Now that we're done with the mutable portion, grab the immutable settings and view again
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let terminal_theme = &(cx.global::<Settings>()).theme.terminal;
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let term = view_handle.read(cx).term.lock();
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let content = term.renderable_content();
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let (chunks, line_count) = build_chunks(content.display_iter, &terminal_theme);
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//And we're off! Begin layouting
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let (chunks, line_count) = build_chunks(content.display_iter, &terminal_theme);
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let backgrounds = chunks
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.iter()
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.filter(|(_, _, line_span)| line_span != &LineSpan::default())
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.map(|(_, _, line_span)| *line_span)
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.collect();
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let shaped_lines = layout_highlighted_chunks(
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chunks.iter().map(|(text, style)| (text.as_str(), *style)),
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chunks
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.iter()
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.map(|(text, style, _)| (text.as_str(), *style)),
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&text_style,
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cx.text_layout_cache,
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&cx.font_cache,
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cx.font_cache(),
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usize::MAX,
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line_count,
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);
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let cursor_line = content.cursor.point.line.0 + content.display_offset as i32;
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let mut cursor = None;
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if let Some(layout_line) = cursor_line
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.try_into()
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.ok()
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.and_then(|cursor_line: usize| shaped_lines.get(cursor_line))
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{
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let cursor_x = layout_line.x_for_index(content.cursor.point.column.0);
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cursor = Some((
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RectF::new(
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vec2f(cursor_x, cursor_line as f32 * line_height),
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vec2f(cell_width, line_height),
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),
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terminal_theme.cursor,
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));
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}
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let background_rects = make_background_rects(backgrounds, &shaped_lines, &line_height);
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let cursor = make_cursor_rect(
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content.cursor.point,
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&shaped_lines,
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content.display_offset,
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&line_height,
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&cell_width,
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)
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.map(|cursor_rect| (cursor_rect, terminal_theme.cursor));
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(
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constraint.max,
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@ -131,7 +151,8 @@ impl Element for TerminalEl {
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line_height,
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em_width: cell_width,
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cursor,
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cur_size: new_size,
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cur_size,
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background_rects,
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background_color: terminal_theme.background,
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},
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)
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@ -148,44 +169,47 @@ impl Element for TerminalEl {
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cx.scene.push_mouse_region(MouseRegion {
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view_id: self.view.id(),
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discriminant: None,
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bounds: visible_bounds,
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hover: None,
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mouse_down: Some(Rc::new(|_, cx| cx.focus_parent_view())),
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click: None,
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right_mouse_down: None,
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right_click: None,
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drag: None,
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mouse_down_out: None,
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right_mouse_down_out: None,
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bounds: visible_bounds,
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..Default::default()
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});
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//Background
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let origin = bounds.origin() + vec2f(layout.em_width.0, 0.);
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//Start us off with a nice simple background color
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cx.scene.push_quad(Quad {
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bounds: visible_bounds,
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bounds: RectF::new(bounds.origin(), bounds.size()),
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background: Some(layout.background_color),
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border: Default::default(),
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corner_radius: 0.,
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});
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let origin = bounds.origin() + vec2f(layout.em_width, 0.); //Padding
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//Draw cell backgrounds
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for background_rect in &layout.background_rects {
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let new_origin = origin + background_rect.0.origin();
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cx.scene.push_quad(Quad {
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bounds: RectF::new(new_origin, background_rect.0.size()),
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background: Some(background_rect.1),
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border: Default::default(),
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corner_radius: 0.,
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})
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}
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let mut line_origin = origin;
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//Draw text
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let mut line_origin = origin.clone();
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for line in &layout.lines {
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let boundaries = RectF::new(line_origin, vec2f(bounds.width(), layout.line_height));
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let boundaries = RectF::new(line_origin, vec2f(bounds.width(), layout.line_height.0));
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if boundaries.intersects(visible_bounds) {
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line.paint(line_origin, visible_bounds, layout.line_height, cx);
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line.paint(line_origin, visible_bounds, layout.line_height.0, cx);
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}
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line_origin.set_y(boundaries.max_y());
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}
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//Draw cursor
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if let Some((c, color)) = layout.cursor {
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let new_origin = origin + c.origin();
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let new_cursor = RectF::new(new_origin, c.size());
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cx.scene.push_quad(Quad {
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bounds: new_cursor,
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bounds: RectF::new(new_origin, c.size()),
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background: Some(color),
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border: Default::default(),
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corner_radius: 0.,
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@ -215,7 +239,7 @@ impl Element for TerminalEl {
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} => {
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if visible_bounds.contains_point(*position) {
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let vertical_scroll =
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(delta.y() / layout.line_height) * ALACRITTY_SCROLL_MULTIPLIER;
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(delta.y() / layout.line_height.0) * ALACRITTY_SCROLL_MULTIPLIER;
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cx.dispatch_action(ScrollTerminal(vertical_scroll.round() as i32));
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true
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} else {
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@ -249,67 +273,134 @@ impl Element for TerminalEl {
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}
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}
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fn make_text_style(font_cache: &FontCache, settings: &Settings) -> TextStyle {
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TextStyle {
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color: settings.theme.editor.text_color,
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font_family_id: settings.buffer_font_family,
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font_family_name: font_cache.family_name(settings.buffer_font_family).unwrap(),
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font_id: font_cache
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.select_font(settings.buffer_font_family, &Default::default())
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.unwrap(),
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font_size: settings.buffer_font_size,
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font_properties: Default::default(),
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underline: Default::default(),
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}
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}
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fn make_new_size(
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constraint: SizeConstraint,
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cell_width: &CellWidth,
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line_height: &LineHeight,
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) -> SizeInfo {
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SizeInfo::new(
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constraint.max.x() - cell_width.0,
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constraint.max.y(),
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cell_width.0,
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line_height.0,
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0.,
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0.,
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false,
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)
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}
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pub(crate) fn build_chunks(
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grid_iterator: GridIterator<Cell>,
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theme: &TerminalStyle,
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) -> (Vec<(String, Option<HighlightStyle>)>, usize) {
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let mut lines: Vec<(String, Option<HighlightStyle>)> = vec![];
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let mut last_line = 0;
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let mut line_count = 1;
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let mut cur_chunk = String::new();
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let mut cur_highlight = HighlightStyle {
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color: Some(Color::white()),
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..Default::default()
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};
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for cell in grid_iterator {
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let Indexed {
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point: Point { line, .. },
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cell: Cell {
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c, fg, flags, .. // TODO: Add bg and flags
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}, //TODO: Learn what 'CellExtra does'
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} = cell;
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let new_highlight = make_style_from_cell(fg, flags, theme);
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if line != last_line {
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) -> (Vec<(String, Option<HighlightStyle>, LineSpan)>, usize) {
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let mut line_count: usize = 0;
|
||||
let lines = grid_iterator.group_by(|i| i.point.line.0);
|
||||
let result = lines
|
||||
.into_iter()
|
||||
.map(|(_, line)| {
|
||||
line_count += 1;
|
||||
cur_chunk.push('\n');
|
||||
last_line = line.0;
|
||||
}
|
||||
let mut col_index = 0;
|
||||
|
||||
if new_highlight != cur_highlight {
|
||||
lines.push((cur_chunk.clone(), Some(cur_highlight.clone())));
|
||||
cur_chunk.clear();
|
||||
cur_highlight = new_highlight;
|
||||
}
|
||||
cur_chunk.push(*c)
|
||||
}
|
||||
lines.push((cur_chunk, Some(cur_highlight)));
|
||||
(lines, line_count)
|
||||
}
|
||||
|
||||
fn make_style_from_cell(fg: &AnsiColor, flags: &Flags, style: &TerminalStyle) -> HighlightStyle {
|
||||
let fg = Some(alac_color_to_gpui_color(fg, style));
|
||||
let underline = if flags.contains(Flags::UNDERLINE) {
|
||||
Some(Underline {
|
||||
color: fg,
|
||||
squiggly: false,
|
||||
thickness: OrderedFloat(1.),
|
||||
let chunks = line.group_by(|i| cell_style(&i, theme));
|
||||
chunks
|
||||
.into_iter()
|
||||
.map(|(style, fragment)| {
|
||||
let str_fragment = fragment.map(|indexed| indexed.c).collect::<String>();
|
||||
let start = col_index;
|
||||
let end = start + str_fragment.len() as i32;
|
||||
col_index = end;
|
||||
(
|
||||
str_fragment,
|
||||
Some(style.0),
|
||||
LineSpan::new(start, end, line_count - 1, style.1), //Line count -> Line index
|
||||
)
|
||||
})
|
||||
.chain(iter::once(("\n".to_string(), None, Default::default())))
|
||||
.collect::<Vec<(String, Option<HighlightStyle>, LineSpan)>>()
|
||||
})
|
||||
} else {
|
||||
None
|
||||
};
|
||||
HighlightStyle {
|
||||
color: fg,
|
||||
underline,
|
||||
..Default::default()
|
||||
}
|
||||
.flatten()
|
||||
.collect::<Vec<(String, Option<HighlightStyle>, LineSpan)>>();
|
||||
(result, line_count)
|
||||
}
|
||||
|
||||
fn alac_color_to_gpui_color(allac_color: &AnsiColor, style: &TerminalStyle) -> Color {
|
||||
match allac_color {
|
||||
fn make_background_rects(
|
||||
backgrounds: Vec<LineSpan>,
|
||||
shaped_lines: &Vec<Line>,
|
||||
line_height: &LineHeight,
|
||||
) -> Vec<(RectF, Color)> {
|
||||
backgrounds
|
||||
.into_iter()
|
||||
.map(|line_span| {
|
||||
let line = shaped_lines
|
||||
.get(line_span.line)
|
||||
.expect("Background line_num did not correspond to a line number");
|
||||
let x = line.x_for_index(line_span.start as usize);
|
||||
let width = line.x_for_index(line_span.end as usize) - x;
|
||||
(
|
||||
RectF::new(
|
||||
vec2f(x, line_span.line as f32 * line_height.0),
|
||||
vec2f(width, line_height.0),
|
||||
),
|
||||
line_span.color,
|
||||
)
|
||||
})
|
||||
.collect::<Vec<(RectF, Color)>>()
|
||||
}
|
||||
|
||||
fn make_cursor_rect(
|
||||
cursor_point: Point,
|
||||
shaped_lines: &Vec<Line>,
|
||||
display_offset: usize,
|
||||
line_height: &LineHeight,
|
||||
cell_width: &CellWidth,
|
||||
) -> Option<RectF> {
|
||||
let cursor_line = cursor_point.line.0 as usize + display_offset;
|
||||
shaped_lines.get(cursor_line).map(|layout_line| {
|
||||
let cursor_x = layout_line.x_for_index(cursor_point.column.0);
|
||||
RectF::new(
|
||||
vec2f(cursor_x, cursor_line as f32 * line_height.0),
|
||||
vec2f(cell_width.0, line_height.0),
|
||||
)
|
||||
})
|
||||
}
|
||||
|
||||
fn cell_style(indexed: &Indexed<&Cell>, style: &TerminalStyle) -> (HighlightStyle, Color) {
|
||||
let flags = indexed.cell.flags;
|
||||
let fg = Some(alac_color_to_gpui_color(&indexed.cell.fg, style));
|
||||
let bg = alac_color_to_gpui_color(&indexed.cell.bg, style);
|
||||
|
||||
let underline = flags.contains(Flags::UNDERLINE).then(|| Underline {
|
||||
color: fg,
|
||||
squiggly: false,
|
||||
thickness: OrderedFloat(1.),
|
||||
});
|
||||
|
||||
(
|
||||
HighlightStyle {
|
||||
color: fg,
|
||||
underline,
|
||||
..Default::default()
|
||||
},
|
||||
bg,
|
||||
)
|
||||
}
|
||||
|
||||
fn alac_color_to_gpui_color(alac_color: &AnsiColor, style: &TerminalStyle) -> Color {
|
||||
match alac_color {
|
||||
alacritty_terminal::ansi::Color::Named(n) => match n {
|
||||
alacritty_terminal::ansi::NamedColor::Black => style.black,
|
||||
alacritty_terminal::ansi::NamedColor::Red => style.red,
|
||||
@ -341,7 +432,7 @@ fn alac_color_to_gpui_color(allac_color: &AnsiColor, style: &TerminalStyle) -> C
|
||||
alacritty_terminal::ansi::NamedColor::BrightForeground => style.bright_foreground,
|
||||
alacritty_terminal::ansi::NamedColor::DimForeground => style.dim_foreground,
|
||||
}, //Theme defined
|
||||
alacritty_terminal::ansi::Color::Spec(rgb) => Color::new(rgb.r, rgb.g, rgb.b, 1),
|
||||
alacritty_terminal::ansi::Color::Spec(rgb) => Color::new(rgb.r, rgb.g, rgb.b, u8::MAX),
|
||||
alacritty_terminal::ansi::Color::Indexed(i) => get_color_at_index(i, style), //Color cube weirdness
|
||||
}
|
||||
}
|
||||
@ -366,14 +457,14 @@ pub fn get_color_at_index(index: &u8, style: &TerminalStyle) -> Color {
|
||||
15 => style.bright_white,
|
||||
16..=231 => {
|
||||
let (r, g, b) = rgb_for_index(index); //Split the index into it's rgb components
|
||||
let step = (u8::MAX as f32 / 5.).round() as u8; //Split the GPUI range into 5 chunks
|
||||
Color::new(r * step, g * step, b * step, 1) //Map the rgb components to GPUI's range
|
||||
let step = (u8::MAX as f32 / 5.).floor() as u8; //Split the 256 channel range into 5 chunks
|
||||
Color::new(r * step, g * step, b * step, u8::MAX) //Map the [0, 5] rgb components to the [0, 256] channel range
|
||||
}
|
||||
//Grayscale from black to white, 0 to 24
|
||||
232..=255 => {
|
||||
let i = 24 - (index - 232); //Align index to 24..0
|
||||
let step = (u8::MAX as f32 / 24.).round() as u8; //Split the 256 range grayscale into 24 chunks
|
||||
Color::new(i * step, i * step, i * step, 1) //Map the rgb components to GPUI's range
|
||||
let i = index - 232; //Align index to 0..24
|
||||
let step = (u8::MAX as f32 / 24.).floor() as u8; //Split the [0,256] range grayscale values into 24 chunks
|
||||
Color::new(i * step, i * step, i * step, u8::MAX) //Map the rgb components to the grayscale range
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -400,10 +491,10 @@ fn draw_debug_grid(bounds: RectF, layout: &mut LayoutState, cx: &mut PaintContex
|
||||
let width = layout.cur_size.width();
|
||||
let height = layout.cur_size.height();
|
||||
//Alacritty uses 'as usize', so shall we.
|
||||
for col in 0..(width / layout.em_width).round() as usize {
|
||||
for col in 0..(width / layout.em_width.0).round() as usize {
|
||||
cx.scene.push_quad(Quad {
|
||||
bounds: RectF::new(
|
||||
bounds.origin() + vec2f((col + 1) as f32 * layout.em_width, 0.),
|
||||
bounds.origin() + vec2f((col + 1) as f32 * layout.em_width.0, 0.),
|
||||
vec2f(1., height),
|
||||
),
|
||||
background: Some(Color::green()),
|
||||
@ -411,10 +502,10 @@ fn draw_debug_grid(bounds: RectF, layout: &mut LayoutState, cx: &mut PaintContex
|
||||
corner_radius: 0.,
|
||||
});
|
||||
}
|
||||
for row in 0..((height / layout.line_height) + 1.0).round() as usize {
|
||||
for row in 0..((height / layout.line_height.0) + 1.0).round() as usize {
|
||||
cx.scene.push_quad(Quad {
|
||||
bounds: RectF::new(
|
||||
bounds.origin() + vec2f(layout.em_width, row as f32 * layout.line_height),
|
||||
bounds.origin() + vec2f(layout.em_width.0, row as f32 * layout.line_height.0),
|
||||
vec2f(width, 1.),
|
||||
),
|
||||
background: Some(Color::green()),
|
||||
|
19
crates/terminal/truecolor.sh
Executable file
19
crates/terminal/truecolor.sh
Executable file
@ -0,0 +1,19 @@
|
||||
#!/bin/bash
|
||||
# Copied from: https://unix.stackexchange.com/a/696756
|
||||
# Based on: https://gist.github.com/XVilka/8346728 and https://unix.stackexchange.com/a/404415/395213
|
||||
|
||||
awk -v term_cols="${width:-$(tput cols || echo 80)}" -v term_lines="${height:-1}" 'BEGIN{
|
||||
s="/\\";
|
||||
total_cols=term_cols*term_lines;
|
||||
for (colnum = 0; colnum<total_cols; colnum++) {
|
||||
r = 255-(colnum*255/total_cols);
|
||||
g = (colnum*510/total_cols);
|
||||
b = (colnum*255/total_cols);
|
||||
if (g>255) g = 510-g;
|
||||
printf "\033[48;2;%d;%d;%dm", r,g,b;
|
||||
printf "\033[38;2;%d;%d;%dm", 255-r,255-g,255-b;
|
||||
printf "%s\033[0m", substr(s,colnum%2+1,1);
|
||||
if (colnum%term_cols==term_cols) printf "\n";
|
||||
}
|
||||
printf "\n";
|
||||
}'
|
Loading…
Reference in New Issue
Block a user