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LibGfx+LibWeb: Move Gfx::ScaledFont caching from LibWeb into LibGfx
Before this change, we would only cache and reuse Gfx::ScaledFont instances for downloaded CSS fonts. By moving it into Gfx::VectorFont, we get caching for all vector fonts, including local system TTFs etc. This avoids a *lot* of style invalidations in LibWeb, since we now vend the same Gfx::Font pointer for the same font when used repeatedly.
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16 changed files with 54 additions and 137 deletions
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@ -618,10 +618,9 @@ static void paint_text_fragment(PaintContext& context, Layout::TextNode const& t
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DevicePixelPoint baseline_start { fragment_absolute_device_rect.x(), fragment_absolute_device_rect.y() + context.rounded_device_pixels(fragment.baseline()) };
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Vector<Gfx::DrawGlyphOrEmoji> scaled_glyph_run;
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scaled_glyph_run.ensure_capacity(fragment.glyph_run().size());
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auto& font_cache = text_node.document().style_computer().font_cache();
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for (auto glyph : fragment.glyph_run()) {
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glyph.visit([&](auto& glyph) {
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glyph.font = font_cache.scaled_font(*glyph.font, context.device_pixels_per_css_pixel());
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glyph.font = *glyph.font->with_size(glyph.font->point_size() * static_cast<float>(context.device_pixels_per_css_pixel()));
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glyph.position = glyph.position.scaled(context.device_pixels_per_css_pixel());
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});
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scaled_glyph_run.append(move(glyph));
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