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Avoid splitting boxes if possible

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Brendan Zabarauskas 2014-05-21 13:53:40 -07:00
parent d6d36997c6
commit 9efaf831fc
1 changed files with 20 additions and 18 deletions
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38
src/components/main/layout/box_.rs
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@ -1203,27 +1203,29 @@ impl Box {
}
}
let left_box = if left_range.length() > CharIndex(0) {
let new_text_box_info = ScannedTextBoxInfo::new(text_box_info.run.clone(), left_range);
let width = new_text_box_info.run.advance_for_range(&left_range);
let height = self.border_box.size.height;
let size = Size2D(width, height);
Some(self.transform(size, ScannedTextBox(new_text_box_info)))
} else {
None
};
let left_is_some = left_range.length() > CharIndex(0);
let right_box = right_range.map_or(None, |right_range: Range<CharIndex>| {
let new_text_box_info = ScannedTextBoxInfo::new(text_box_info.run.clone(), right_range);
let width = new_text_box_info.run.advance_for_range(&right_range);
let height = self.border_box.size.height;
let size = Size2D(width, height);
Some(self.transform(size, ScannedTextBox(new_text_box_info)))
});
if (pieces_processed_count == 1 || left_box.is_none()) && !starts_line {
if (pieces_processed_count == 1 || !left_is_some) && !starts_line {
None
} else {
let left_box = if left_is_some {
let new_text_box_info = ScannedTextBoxInfo::new(text_box_info.run.clone(), left_range);
let width = new_text_box_info.run.advance_for_range(&left_range);
let height = self.border_box.size.height;
let size = Size2D(width, height);
Some(self.transform(size, ScannedTextBox(new_text_box_info)))
} else {
None
};
let right_box = right_range.map(|right_range| {
let new_text_box_info = ScannedTextBoxInfo::new(text_box_info.run.clone(), right_range);
let width = new_text_box_info.run.advance_for_range(&right_range);
let height = self.border_box.size.height;
let size = Size2D(width, height);
(self.transform(size, ScannedTextBox(new_text_box_info)))
});
Some((left_box, right_box))
}
}