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LibWeb: Remove StyleValue::has/to_length()

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Specifically, stop letting NumericStyleValues holding `0` from
pretending to hold a Length. The parser is now smart enough that we
don't have to do this. :^)
This commit is contained in:
Sam Atkins 2023-05-27 12:28:25 +01:00 • committed by Andreas Kling
parent 6bbf163499
commit e8a946c674
7 changed files with 27 additions and 34 deletions
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9
Userland/Libraries/LibWeb/Layout/Node.cpp
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@ -10,6 +10,7 @@
#include <LibWeb/CSS/StyleValues/BackgroundSizeStyleValue.h>
#include <LibWeb/CSS/StyleValues/BorderRadiusStyleValue.h>
#include <LibWeb/CSS/StyleValues/EdgeStyleValue.h>
#include <LibWeb/CSS/StyleValues/LengthStyleValue.h>
#include <LibWeb/CSS/StyleValues/NumericStyleValue.h>
#include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
#include <LibWeb/CSS/StyleValues/StyleValueList.h>
@ -294,7 +295,7 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& computed_style)
// m_font is used by Length::to_px() when resolving sizes against this layout node.
// That's why it has to be set before everything else.
m_font = computed_style.computed_font();
computed_values.set_font_size(computed_style.property(CSS::PropertyID::FontSize)->to_length().to_px(*this).value());
computed_values.set_font_size(computed_style.property(CSS::PropertyID::FontSize)->as_length().length().to_px(*this).value());
computed_values.set_font_weight(computed_style.property(CSS::PropertyID::FontWeight)->as_numeric().integer());
m_line_height = computed_style.line_height(*this);
@ -625,8 +626,8 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& computed_style)
auto value = computed_style.property(width_property);
if (value->is_calculated())
return value->as_calculated().resolve_length(*this)->to_px(*this).value();
if (value->has_length())
return value->to_length().to_px(*this).value();
if (value->is_length())
return value->as_length().length().to_px(*this).value();
if (value->is_identifier()) {
// https://www.w3.org/TR/css-backgrounds-3/#valdef-line-width-thin
switch (value->to_identifier()) {
@ -679,7 +680,7 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& computed_style)
if (stroke_width->is_numeric())
computed_values.set_stroke_width(CSS::Length::make_px(stroke_width->as_numeric().number()));
else if (stroke_width->is_length())
computed_values.set_stroke_width(stroke_width->to_length());
computed_values.set_stroke_width(stroke_width->as_length().length());
else if (stroke_width->is_percentage())
computed_values.set_stroke_width(CSS::LengthPercentage { stroke_width->as_percentage().percentage() });