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LibWeb: Use the new Gfx::Painter::draw_text_run() API for drawing text

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This avoids a bunch of unnecessary work in Painter which not only took
time, but sometimes also led to alignment issues. draw_text_run() will
draw the text where we tell it, and that's it.
This commit is contained in:
Andreas Kling 2022-03-28 21:05:51 +02:00
parent dd940dfa85
commit 1c88536298
4 changed files with 16 additions and 9 deletions
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5
Userland/Libraries/LibWeb/Layout/LineBuilder.cpp
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@ -159,7 +159,7 @@ void LineBuilder::update_last_line()
auto line_box_baseline = [&] {
float line_box_baseline = 0;
for (auto const& fragment : line_box.fragments()) {
for (auto& fragment : line_box.fragments()) {
auto baseline = fragment_baseline(fragment);
if (fragment.height() < m_context.containing_block().line_height())
baseline += (m_context.containing_block().line_height() - fragment.height()) / 2;
@ -168,6 +168,9 @@ void LineBuilder::update_last_line()
if (auto length_percentage = fragment.layout_node().computed_values().vertical_align().template get_pointer<CSS::LengthPercentage>(); length_percentage && length_percentage->is_length())
baseline += length_percentage->length().to_px(fragment.layout_node());
// Store the baseline on the fragment. This is used when painting.
fragment.set_baseline(baseline);
line_box_baseline = max(line_box_baseline, baseline);
}
return line_box_baseline;