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LibWeb: Resolve text-decoration-thickness during layout commit

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Refactoring towards stop resolving CSS lengths during paintable
commands recording.
This commit is contained in:
Aliaksandr Kalenik 2024-01-25 19:21:56 +01:00 committed by Andreas Kling
parent d5e3158cfe
commit 0d76a9da17
3 changed files with 22 additions and 10 deletions
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15
Userland/Libraries/LibWeb/Layout/LayoutState.cpp
View file

@ -12,6 +12,7 @@
#include <LibWeb/Layout/Viewport.h>
#include <LibWeb/Painting/InlinePaintable.h>
#include <LibWeb/Painting/SVGPathPaintable.h>
#include <LibWeb/Painting/TextPaintable.h>
namespace Web::Layout {
@ -507,8 +508,20 @@ void LayoutState::commit(Box& root)
paintable_with_lines.set_fragments(move(fragments_with_inline_paintables_removed));
}
for (auto* text_node : text_nodes)
for (auto* text_node : text_nodes) {
text_node->set_paintable(text_node->create_paintable());
auto* paintable = text_node->paintable();
auto const& font = text_node->first_available_font();
auto const glyph_height = CSSPixels::nearest_value_for(font.pixel_size());
auto const css_line_thickness = [&] {
auto computed_thickness = text_node->computed_values().text_decoration_thickness().resolved(*text_node, CSS::Length(1, CSS::Length::Type::Em).to_px(*text_node));
if (computed_thickness.is_auto())
return max(glyph_height.scaled(0.1), 1);
return computed_thickness.to_px(*text_node);
}();
auto& text_paintable = static_cast<Painting::TextPaintable&>(*paintable);
text_paintable.set_text_decoration_thickness(css_line_thickness);
}
build_paint_tree(root);

12
Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
View file

@ -16,6 +16,7 @@
#include <LibWeb/Painting/FilterPainting.h>
#include <LibWeb/Painting/PaintableBox.h>
#include <LibWeb/Painting/StackingContext.h>
#include <LibWeb/Painting/TextPaintable.h>
#include <LibWeb/Painting/ViewportPaintable.h>
#include <LibWeb/Platform/FontPlugin.h>
@ -508,15 +509,8 @@ void paint_text_decoration(PaintContext& context, Layout::Node const& text_node,
auto baseline = fragment.baseline();
auto line_color = text_node.computed_values().text_decoration_color();
CSSPixels css_line_thickness = [&] {
CSS::Length computed_thickness = text_node.computed_values().text_decoration_thickness().resolved(text_node, CSS::Length(1, CSS::Length::Type::Em).to_px(text_node));
if (computed_thickness.is_auto())
return max(glyph_height.scaled(0.1), 1);
return computed_thickness.to_px(text_node);
}();
auto device_line_thickness = context.rounded_device_pixels(css_line_thickness);
auto const& text_paintable = static_cast<TextPaintable const&>(fragment.paintable());
auto device_line_thickness = context.rounded_device_pixels(text_paintable.text_decoration_thickness());
auto text_decoration_lines = text_node.computed_values().text_decoration_line();
for (auto line : text_decoration_lines) {

5
Userland/Libraries/LibWeb/Painting/TextPaintable.h
View file

@ -24,8 +24,13 @@ public:
virtual DispatchEventOfSameName handle_mouseup(Badge<EventHandler>, CSSPixelPoint, unsigned button, unsigned modifiers) override;
virtual DispatchEventOfSameName handle_mousemove(Badge<EventHandler>, CSSPixelPoint, unsigned button, unsigned modifiers) override;
void set_text_decoration_thickness(CSSPixels thickness) { m_text_decoration_thickness = thickness; }
CSSPixels text_decoration_thickness() const { return m_text_decoration_thickness; }
private:
explicit TextPaintable(Layout::TextNode const&);
CSSPixels m_text_decoration_thickness { 0 };
};
}