1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// font-kit/examples/fallback.rs
//
// Copyright © 2019 The Pathfinder Project Developers.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
extern crate clap;
extern crate font_kit;
use clap::{Arg, ArgMatches, Command};
use font_kit::loader::Loader;
use font_kit::source::SystemSource;
#[cfg(any(target_family = "windows", target_os = "macos"))]
static SANS_SERIF_FONT_REGULAR_POSTSCRIPT_NAME: &'static str = "ArialMT";
#[cfg(not(any(target_family = "windows", target_os = "macos")))]
static SANS_SERIF_FONT_REGULAR_POSTSCRIPT_NAME: &str = "DejaVuSans";
fn get_args() -> ArgMatches {
let postscript_name_arg = Arg::new("POSTSCRIPT-NAME")
.help("PostScript name of the font")
.default_value(SANS_SERIF_FONT_REGULAR_POSTSCRIPT_NAME)
.index(1);
let text_arg = Arg::new("TEXT")
.help("Text to query")
.default_value("A")
.index(2);
let locale_arg = Arg::new("LOCALE")
.help("Locale for fallback query")
.default_value("en-US")
.index(3);
Command::new("fallback")
.version("0.1")
.arg(postscript_name_arg)
.arg(text_arg)
.arg(locale_arg)
.get_matches()
}
fn main() {
let matches = get_args();
let postscript_name = matches
.get_one::<String>("POSTSCRIPT-NAME")
.map(|s| s.as_str())
.unwrap();
let text = matches
.get_one::<String>("TEXT")
.map(|s| s.as_str())
.unwrap();
let locale = matches
.get_one::<String>("LOCALE")
.map(|s| s.as_str())
.unwrap();
let font = SystemSource::new()
.select_by_postscript_name(postscript_name)
.expect("Font not found")
.load()
.unwrap();
println!("{}: text: {:?}", postscript_name, text);
let fallback_result = font.get_fallbacks(text, locale);
println!(
"fallback valid substring length: {}",
fallback_result.valid_len
);
for font in &fallback_result.fonts {
println!("font: {}", font.font.full_name());
}
}
|
