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Add simple per-glyph wrapping option

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This commit is contained in:
Jeremy Soller 2022-10-26 19:56:13 -06:00
parent 57feeb2901
commit 5d1aa8b814
3 changed files with 85 additions and 7 deletions
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24
src/buffer.rs
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@ -178,6 +178,7 @@ pub struct TextBufferLine<'a> {
pub attrs_list: AttrsList<'a>,
shape_opt: Option<ShapeLine>,
layout_opt: Option<Vec<LayoutLine>>,
pub wrap_simple: bool,
}
impl<'a> TextBufferLine<'a> {
@ -187,6 +188,7 @@ impl<'a> TextBufferLine<'a> {
attrs_list,
shape_opt: None,
layout_opt: None,
wrap_simple: false,
}
}
@ -210,13 +212,21 @@ impl<'a> TextBufferLine<'a> {
pub fn layout(&mut self, font_system: &'a FontSystem<'a>, font_size: i32, width: i32) -> &[LayoutLine] {
if self.layout_opt.is_none() {
let mut layout = Vec::new();
let shape = self.shape(font_system);
shape.layout(
font_size,
width,
&mut layout,
0,
);
if self.wrap_simple {
self.shape(font_system).layout_simple(
font_size,
width,
&mut layout,
0,
);
} else {
self.shape(font_system).layout(
font_size,
width,
&mut layout,
0,
);
}
self.layout_opt = Some(layout);
}
self.layout_opt.as_ref().unwrap()