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Avoid division by zero in LayoutRunIter

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Héctor Ramón Jiménez 2023-02-28 20:39:59 +01:00
parent 4320ae6329
commit 22b8a534fa
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1 changed files with 5 additions and 1 deletions
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6
src/buffer.rs
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@ -192,7 +192,11 @@ impl<'a, 'b> LayoutRunIter<'a, 'b> {
.sum(); .sum();
let top_cropped_layout_lines = let top_cropped_layout_lines =
total_layout_lines.saturating_sub(buffer.scroll.try_into().unwrap_or_default()); total_layout_lines.saturating_sub(buffer.scroll.try_into().unwrap_or_default());
let maximum_lines = (buffer.height / buffer.metrics.line_height) as i32; let maximum_lines = if buffer.metrics.line_height == 0.0 {
0
} else {
(buffer.height / buffer.metrics.line_height) as i32
};
let bottom_cropped_layout_lines = let bottom_cropped_layout_lines =
if top_cropped_layout_lines > maximum_lines.try_into().unwrap_or_default() { if top_cropped_layout_lines > maximum_lines.try_into().unwrap_or_default() {
maximum_lines.try_into().unwrap_or_default() maximum_lines.try_into().unwrap_or_default()