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LibWeb: Cache the default font if we fail to find the specified font

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This is a hack to stop chewing CPU on sites that use a font we don't
have and have a lot of text or changes text often.

Examples are the Serenity 2nd birthday page and the JS specification.
This commit is contained in:
Luke 2020-10-10 20:35:00 +01:00 • committed by Andreas Kling
parent a5bf6cfff9
commit 4155de2572
1 changed files with 3 additions and 1 deletions
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4
Libraries/LibWeb/CSS/StyleProperties.cpp
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@ -174,7 +174,9 @@ void StyleProperties::load_font() const
m_font = Gfx::Font::default_bold_font(); m_font = Gfx::Font::default_bold_font();
else else
m_font = Gfx::Font::default_font(); m_font = Gfx::Font::default_font();
return; // FIXME: This is a hack to stop chewing CPU on sites that use a font we don't have and have a lot of text
// or changes text often. Examples are the Serenity 2nd birthday page and the JS specification.
FontCache::the().set({ font_family, font_weight }, *m_font);
} }
float StyleProperties::line_height(const LayoutNode& layout_node) const float StyleProperties::line_height(const LayoutNode& layout_node) const