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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 18:31:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 18:31:44 +0000 |
commit | c23a457e72abe608715ac76f076f47dc42af07a5 (patch) | |
tree | 2772049aaf84b5c9d0ed12ec8d86812f7a7904b6 /vendor/ansi_term/examples | |
parent | Releasing progress-linux version 1.73.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-c23a457e72abe608715ac76f076f47dc42af07a5.tar.xz rustc-c23a457e72abe608715ac76f076f47dc42af07a5.zip |
Merging upstream version 1.74.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/ansi_term/examples')
-rw-r--r-- | vendor/ansi_term/examples/256_colours.rs | 73 | ||||
-rw-r--r-- | vendor/ansi_term/examples/basic_colours.rs | 18 | ||||
-rw-r--r-- | vendor/ansi_term/examples/rgb_colours.rs | 23 |
3 files changed, 114 insertions, 0 deletions
diff --git a/vendor/ansi_term/examples/256_colours.rs b/vendor/ansi_term/examples/256_colours.rs new file mode 100644 index 000000000..92fe2f1c1 --- /dev/null +++ b/vendor/ansi_term/examples/256_colours.rs @@ -0,0 +1,73 @@ +extern crate ansi_term; +use ansi_term::Colour; + +// This example prints out the 256 colours. +// They're arranged like this: +// +// - 0 to 8 are the eight standard colours. +// - 9 to 15 are the eight bold colours. +// - 16 to 231 are six blocks of six-by-six colour squares. +// - 232 to 255 are shades of grey. + +fn main() { + + // First two lines + for c in 0..8 { + glow(c, c != 0); + print!(" "); + } + print!("\n"); + for c in 8..16 { + glow(c, c != 8); + print!(" "); + } + print!("\n\n"); + + // Six lines of the first three squares + for row in 0..6 { + for square in 0..3 { + for column in 0..6 { + glow(16 + square * 36 + row * 6 + column, row >= 3); + print!(" "); + } + + print!(" "); + } + + print!("\n"); + } + print!("\n"); + + // Six more lines of the other three squares + for row in 0..6 { + for square in 0..3 { + for column in 0..6 { + glow(124 + square * 36 + row * 6 + column, row >= 3); + print!(" "); + } + + print!(" "); + } + + print!("\n"); + } + print!("\n"); + + // The last greyscale lines + for c in 232..=243 { + glow(c, false); + print!(" "); + } + print!("\n"); + for c in 244..=255 { + glow(c, true); + print!(" "); + } + print!("\n"); +} + +fn glow(c: u8, light_bg: bool) { + let base = if light_bg { Colour::Black } else { Colour::White }; + let style = base.on(Colour::Fixed(c)); + print!("{}", style.paint(&format!(" {:3} ", c))); +} diff --git a/vendor/ansi_term/examples/basic_colours.rs b/vendor/ansi_term/examples/basic_colours.rs new file mode 100644 index 000000000..ba8815621 --- /dev/null +++ b/vendor/ansi_term/examples/basic_colours.rs @@ -0,0 +1,18 @@ +extern crate ansi_term; +use ansi_term::{Style, Colour::*}; + +// This example prints out the 16 basic colours. + +fn main() { + let normal = Style::default(); + + println!("{} {}", normal.paint("Normal"), normal.bold().paint("bold")); + println!("{} {}", Black.paint("Black"), Black.bold().paint("bold")); + println!("{} {}", Red.paint("Red"), Red.bold().paint("bold")); + println!("{} {}", Green.paint("Green"), Green.bold().paint("bold")); + println!("{} {}", Yellow.paint("Yellow"), Yellow.bold().paint("bold")); + println!("{} {}", Blue.paint("Blue"), Blue.bold().paint("bold")); + println!("{} {}", Purple.paint("Purple"), Purple.bold().paint("bold")); + println!("{} {}", Cyan.paint("Cyan"), Cyan.bold().paint("bold")); + println!("{} {}", White.paint("White"), White.bold().paint("bold")); +} diff --git a/vendor/ansi_term/examples/rgb_colours.rs b/vendor/ansi_term/examples/rgb_colours.rs new file mode 100644 index 000000000..fd2cc7a85 --- /dev/null +++ b/vendor/ansi_term/examples/rgb_colours.rs @@ -0,0 +1,23 @@ +extern crate ansi_term; +use ansi_term::{Style, Colour}; + +// This example prints out a colour gradient in a grid by calculating each +// character’s red, green, and blue components, and using 24-bit colour codes +// to display them. + +const WIDTH: i32 = 80; +const HEIGHT: i32 = 24; + +fn main() { + for row in 0 .. HEIGHT { + for col in 0 .. WIDTH { + let r = (row * 255 / HEIGHT) as u8; + let g = (col * 255 / WIDTH) as u8; + let b = 128; + + print!("{}", Style::default().on(Colour::RGB(r, g, b)).paint(" ")); + } + + print!("\n"); + } +} |