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Add test for font selection

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This commit is contained in:
Antonio Scandurra 2021-05-26 09:41:57 +02:00
parent 9642e9b425
commit 5485c1a749
2 changed files with 54 additions and 24 deletions
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26
gpui/src/font_cache.rs
View file

@ -161,3 +161,29 @@ impl FontCache {
metric * font_size / self.metric(font_id, |m| m.units_per_em as f32)
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{
fonts::{Style, Weight},
platform::{test, Platform as _},
};
#[test]
fn test_select_font() {
let platform = test::platform();
let fonts = FontCache::new(platform.fonts());
let arial = fonts.load_family(&["Arial"]).unwrap();
let arial_regular = fonts.select_font(arial, &Properties::new()).unwrap();
let arial_italic = fonts
.select_font(arial, &Properties::new().style(Style::Italic))
.unwrap();
let arial_bold = fonts
.select_font(arial, &Properties::new().weight(Weight::BOLD))
.unwrap();
assert_ne!(arial_regular, arial_italic);
assert_ne!(arial_regular, arial_bold);
assert_ne!(arial_italic, arial_bold);
}
}

52
gpui/src/platform/mac/fonts.rs
View file

@ -322,6 +322,9 @@ mod tests {
let menlo_regular = fonts.select_font(&menlo, &Properties::new())?;
let menlo_italic = fonts.select_font(&menlo, &Properties::new().style(Style::Italic))?;
let menlo_bold = fonts.select_font(&menlo, &Properties::new().weight(Weight::BOLD))?;
assert_ne!(menlo_regular, menlo_italic);
assert_ne!(menlo_regular, menlo_bold);
assert_ne!(menlo_italic, menlo_bold);
let line = fonts.layout_str(
"hello world",
@ -371,32 +374,33 @@ mod tests {
Ok(())
}
// #[test]
// fn test_rasterize_glyph() {
// use std::{fs::File, io::BufWriter, path::Path};
#[test]
#[ignore]
fn test_rasterize_glyph() {
use std::{fs::File, io::BufWriter, path::Path};
// let fonts = FontSystem::new();
// let font_ids = fonts.load_family("Fira Code").unwrap();
// let font_id = fonts.select_font(&font_ids, &Default::default()).unwrap();
// let glyph_id = fonts.glyph_for_char(font_id, 'G').unwrap();
let fonts = FontSystem::new();
let font_ids = fonts.load_family("Fira Code").unwrap();
let font_id = fonts.select_font(&font_ids, &Default::default()).unwrap();
let glyph_id = fonts.glyph_for_char(font_id, 'G').unwrap();
// const VARIANTS: usize = 1;
// for i in 0..VARIANTS {
// let variant = i as f32 / VARIANTS as f32;
// let (bounds, bytes) = fonts
// .rasterize_glyph(font_id, 16.0, glyph_id, vec2f(variant, variant), 2.)
// .unwrap();
const VARIANTS: usize = 1;
for i in 0..VARIANTS {
let variant = i as f32 / VARIANTS as f32;
let (bounds, bytes) = fonts
.rasterize_glyph(font_id, 16.0, glyph_id, vec2f(variant, variant), 2.)
.unwrap();
// let name = format!("/Users/as-cii/Desktop/twog-{}.png", i);
// let path = Path::new(&name);
// let file = File::create(path).unwrap();
// let ref mut w = BufWriter::new(file);
let name = format!("/Users/as-cii/Desktop/twog-{}.png", i);
let path = Path::new(&name);
let file = File::create(path).unwrap();
let ref mut w = BufWriter::new(file);
// let mut encoder = png::Encoder::new(w, bounds.width() as u32, bounds.height() as u32);
// encoder.set_color(png::ColorType::Grayscale);
// encoder.set_depth(png::BitDepth::Eight);
// let mut writer = encoder.write_header().unwrap();
// writer.write_image_data(&bytes).unwrap();
// }
// }
let mut encoder = png::Encoder::new(w, bounds.width() as u32, bounds.height() as u32);
encoder.set_color(png::ColorType::Grayscale);
encoder.set_depth(png::BitDepth::Eight);
let mut writer = encoder.write_header().unwrap();
writer.write_image_data(&bytes).unwrap();
}
}
}