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use checked_sub to fix panic on window resize.

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bug link: https://github.com/iced-rs/iced/issues/1773
This commit is contained in:
13r0ck 2023-03-28 16:30:53 -06:00
parent 3b6373d0f4
commit e790e8e718
1 changed files with 10 additions and 8 deletions
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18
src/buffer.rs
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@ -243,14 +243,16 @@ impl<'b> Iterator for LayoutRunIter<'b> {
return None;
}
self.remaining_len -= 1;
return Some(LayoutRun {
line_i: self.line_i,
text: line.text(),
rtl: shape.rtl,
glyphs: &layout_line.glyphs,
line_y: self.line_y,
line_w: layout_line.w,
return self.remaining_len.checked_sub(1).map(|num| {
self.remaining_len = num;
LayoutRun {
line_i: self.line_i,
text: line.text(),
rtl: shape.rtl,
glyphs: &layout_line.glyphs,
line_y: self.line_y,
line_w: layout_line.w,
}
});
}
self.line_i += 1;