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Account for the font of empty input fields

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Fixes #11653
This commit is contained in:
Michael Howell 2016-06-19 08:54:05 -07:00
parent b082dceebc
commit 4717cea51c
4 changed files with 38 additions and 3 deletions
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6
components/layout/fragment.rs
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@ -1972,16 +1972,16 @@ impl Fragment {
ascent: computed_block_size + self.border_padding.block_start,
}
}
SpecificFragmentInfo::ScannedText(ref text_fragment) => {
SpecificFragmentInfo::ScannedText(ref info) => {
// Fragments with no glyphs don't contribute any inline metrics.
// TODO: Filter out these fragments during flow construction?
if text_fragment.content_size.inline == Au(0) {
if info.insertion_point.is_none() && info.content_size.inline == Au(0) {
return InlineMetrics::new(Au(0), Au(0), Au(0));
}
// See CSS 2.1 § 10.8.1.
let line_height = self.calculate_line_height(layout_context);
let font_derived_metrics =
InlineMetrics::from_font_metrics(&text_fragment.run.font_metrics, line_height);
InlineMetrics::from_font_metrics(&info.run.font_metrics, line_height);
InlineMetrics {
block_size_above_baseline: font_derived_metrics.block_size_above_baseline +
self.border_padding.block_start,