leyoda/cosmic-text
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Make it possible to set attributes per glyph

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This commit is contained in:
Jeremy Soller 2022-10-26 15:16:06 -06:00
parent 4798c7ee1a
commit ea64291abb
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GPG key ID: 87F211AF2BE4C2FE
4 changed files with 254 additions and 168 deletions
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20
examples/rich-text/src/main.rs
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: MIT OR Apache-2.0
use cosmic_text::{Attrs, AttrsSpan, Color, Family, FontSystem, Style, SwashCache,
use cosmic_text::{Attrs, Color, Family, FontSystem, Style, SwashCache,
TextAction, TextBuffer, TextBufferLine, TextMetrics, Weight};
use orbclient::{EventOption, Renderer, Window, WindowFlag};
use std::{env, fs, process, thread, time::{Duration, Instant}};
@ -39,6 +39,11 @@ fn main() {
let mut line_i = 0;
for &(text, attrs) in &[
("B", attrs.weight(Weight::BOLD)),
("old ", attrs),
("I", attrs.style(Style::Italic)),
("talic", attrs),
("\n", attrs),
("Sans-Serif Normal ", attrs),
("Sans-Serif Bold ", attrs.weight(Weight::BOLD)),
("Sans-Serif Italic ", attrs.style(Style::Italic)),
@ -73,6 +78,13 @@ fn main() {
("Blue ", attrs.color(Color::rgb(0x00, 0x00, 0xFF))),
("Indigo ", attrs.color(Color::rgb(0x4B, 0x00, 0x82))),
("Violet ", attrs.color(Color::rgb(0x94, 0x00, 0xD3))),
("U", attrs.color(Color::rgb(0x94, 0x00, 0xD3))),
("N", attrs.color(Color::rgb(0x4B, 0x00, 0x82))),
("I", attrs.color(Color::rgb(0x00, 0x00, 0xFF))),
("C", attrs.color(Color::rgb(0x00, 0xFF, 0x00))),
("O", attrs.color(Color::rgb(0xFF, 0xFF, 0x00))),
("R", attrs.color(Color::rgb(0xFF, 0x7F, 0x00))),
("N", attrs.color(Color::rgb(0xFF, 0x00, 0x00))),
] {
if text == "\n" {
line_i += 1;
@ -86,11 +98,7 @@ fn main() {
let start = line.text.len();
line.text.push_str(text);
let end = line.text.len();
line.attrs_spans.push(AttrsSpan {
start,
end,
attrs,
});
line.attrs_list.add_span(start, end, attrs);
line.reset();
}