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layout: Make all word separators justification opportunities (#30866)

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This change adapts both layout and legacy layout to the specification
which gives a list of word separators to use as justification
opportunities.
This commit is contained in:
Martin Robinson 2023-12-21 23:49:24 +01:00 • committed by GitHub
parent 8e31daeb6b
commit 709d00583f
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 150 additions and 37 deletions
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10
components/layout_2020/flow/inline.rs
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@ -976,10 +976,8 @@ impl<'a, 'b> InlineFormattingContextState<'a, 'b> {
if is_non_preserved_whitespace {
self.current_line_segment.trailing_whitespace_size = inline_advance;
}
if glyph_store.is_whitespace() {
self.current_line_segment.justification_opportunities += 1;
}
self.current_line_segment.justification_opportunities +=
glyph_store.total_word_separators() as usize;
match self.current_line_segment.line_items.last_mut() {
Some(LineItem::TextRun(text_run)) => {
@ -2124,9 +2122,7 @@ impl TextRunLineItem {
.text
.iter()
.map(|glyph_store| {
if glyph_store.is_whitespace() {
number_of_justification_opportunities += 1
}
number_of_justification_opportunities += glyph_store.total_word_separators();
Length::from(glyph_store.total_advance())
})
.sum();