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-rw-r--r--vendor/ansi_term/examples/256_colours.rs73
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diff --git a/vendor/ansi_term/examples/256_colours.rs b/vendor/ansi_term/examples/256_colours.rs
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+++ b/vendor/ansi_term/examples/256_colours.rs
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+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)));
+}