15 releases
0.2.4 | Jun 22, 2024 |
---|---|
0.2.3 | Jul 16, 2021 |
0.2.2 | Jun 3, 2021 |
0.2.1 | Oct 30, 2020 |
0.1.2 | Sep 21, 2018 |
#67 in Math
47,824 downloads per month
Used in 388 crates
(9 directly)
65KB
1.5K
SLoC
glyph_brush_layout
Text layout for ab_glyph.
- Generic positioning & linebreaking traits.
- Built-in layout logic:
- Mixed font & scale sections in a single layout.
- Horizontal align left/center/right.
- Vertical align top/center/bottom.
- Unicode line breaking.
- Bounded layouts.
use glyph_brush_layout::{ab_glyph::*, *};
let dejavu = FontRef::try_from_slice(include_bytes!("../../fonts/DejaVuSans.ttf"))?;
let garamond = FontRef::try_from_slice(include_bytes!("../../fonts/GaramondNo8-Reg.ttf"))?;
// Simple font mapping: FontId(0) -> deja vu sans, FontId(1) -> garamond
let fonts = &[dejavu, garamond];
// Layout "hello glyph_brush_layout" on an unbounded line with the second
// word suitably bigger, greener and serif-ier.
let glyphs = Layout::default().calculate_glyphs(
fonts,
&SectionGeometry {
screen_position: (150.0, 50.0),
..SectionGeometry::default()
},
&[
SectionText {
text: "hello ",
scale: PxScale::from(20.0),
font_id: FontId(0),
},
SectionText {
text: "glyph_brush_layout",
scale: PxScale::from(25.0),
font_id: FontId(1),
},
],
);
assert_eq!(glyphs.len(), 24);
let SectionGlyph { glyph, font_id, section_index, byte_index } = &glyphs[4];
assert_eq!(glyph.id, fonts[0].glyph_id('o'));
assert_eq!(*font_id, FontId(0));
assert_eq!(*section_index, 0);
assert_eq!(*byte_index, 4);
let SectionGlyph { glyph, font_id, section_index, byte_index } = &glyphs[14];
assert_eq!(glyph.id, fonts[1].glyph_id('u'));
assert_eq!(*font_id, FontId(1));
assert_eq!(*section_index, 1);
assert_eq!(*byte_index, 8);
Dependencies
~1.5MB
~25K SLoC