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LibWeb: Move font stretch width calc from StyleComputer to StyleValue

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This commit is contained in:
Bastiaan van der Plaat 2023-08-07 21:44:10 +02:00 committed by Andreas Kling
parent eb6d41d99e
commit cc1f7d385c
Notes: sideshowbarker 2024-07-17 08:27:05 +09:00 
Author: https://github.com/bplaat
Commit: https://github.com/SerenityOS/serenity/commit/cc1f7d385c
Pull-request: https://github.com/SerenityOS/serenity/pull/20399
3 changed files with 62 additions and 55 deletions
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56
Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -2079,61 +2079,7 @@ void StyleComputer::compute_font(StyleProperties& style, DOM::Element const* ele
auto font_weight = style.property(CSS::PropertyID::FontWeight);
auto font_stretch = style.property(CSS::PropertyID::FontStretch);
int width = Gfx::FontWidth::Normal;
if (font_stretch->is_identifier()) {
switch (static_cast<IdentifierStyleValue const&>(*font_stretch).id()) {
case CSS::ValueID::UltraCondensed:
width = Gfx::FontWidth::UltraCondensed;
break;
case CSS::ValueID::ExtraCondensed:
width = Gfx::FontWidth::ExtraCondensed;
break;
case CSS::ValueID::Condensed:
width = Gfx::FontWidth::Condensed;
break;
case CSS::ValueID::SemiCondensed:
width = Gfx::FontWidth::SemiCondensed;
break;
case CSS::ValueID::Normal:
width = Gfx::FontWidth::Normal;
break;
case CSS::ValueID::SemiExpanded:
width = Gfx::FontWidth::SemiExpanded;
break;
case CSS::ValueID::Expanded:
width = Gfx::FontWidth::Expanded;
break;
case CSS::ValueID::ExtraExpanded:
width = Gfx::FontWidth::ExtraExpanded;
break;
case CSS::ValueID::UltraExpanded:
width = Gfx::FontWidth::UltraExpanded;
break;
default:
break;
}
} else if (font_stretch->is_percentage()) {
float percentage = font_stretch->as_percentage().percentage().value();
if (percentage <= 50) {
width = Gfx::FontWidth::UltraCondensed;
} else if (percentage <= 62.5f) {
width = Gfx::FontWidth::ExtraCondensed;
} else if (percentage <= 75.0f) {
width = Gfx::FontWidth::Condensed;
} else if (percentage <= 87.5f) {
width = Gfx::FontWidth::SemiCondensed;
} else if (percentage <= 100.0f) {
width = Gfx::FontWidth::Normal;
} else if (percentage <= 112.5f) {
width = Gfx::FontWidth::SemiExpanded;
} else if (percentage <= 125.0f) {
width = Gfx::FontWidth::Expanded;
} else if (percentage <= 150.0f) {
width = Gfx::FontWidth::ExtraExpanded;
} else {
width = Gfx::FontWidth::UltraExpanded;
}
}
int width = font_stretch->to_font_stretch_width();
auto weight = font_weight->to_font_weight();

60
Userland/Libraries/LibWeb/CSS/StyleValue.cpp
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@ -477,4 +477,64 @@ int StyleValue::to_font_slope() const
return normal_slope;
}
int StyleValue::to_font_stretch_width() const
{
int width = Gfx::FontWidth::Normal;
if (is_identifier()) {
switch (static_cast<IdentifierStyleValue const&>(*this).id()) {
case CSS::ValueID::UltraCondensed:
width = Gfx::FontWidth::UltraCondensed;
break;
case CSS::ValueID::ExtraCondensed:
width = Gfx::FontWidth::ExtraCondensed;
break;
case CSS::ValueID::Condensed:
width = Gfx::FontWidth::Condensed;
break;
case CSS::ValueID::SemiCondensed:
width = Gfx::FontWidth::SemiCondensed;
break;
case CSS::ValueID::Normal:
width = Gfx::FontWidth::Normal;
break;
case CSS::ValueID::SemiExpanded:
width = Gfx::FontWidth::SemiExpanded;
break;
case CSS::ValueID::Expanded:
width = Gfx::FontWidth::Expanded;
break;
case CSS::ValueID::ExtraExpanded:
width = Gfx::FontWidth::ExtraExpanded;
break;
case CSS::ValueID::UltraExpanded:
width = Gfx::FontWidth::UltraExpanded;
break;
default:
break;
}
} else if (is_percentage()) {
float percentage = as_percentage().percentage().value();
if (percentage <= 50) {
width = Gfx::FontWidth::UltraCondensed;
} else if (percentage <= 62.5f) {
width = Gfx::FontWidth::ExtraCondensed;
} else if (percentage <= 75.0f) {
width = Gfx::FontWidth::Condensed;
} else if (percentage <= 87.5f) {
width = Gfx::FontWidth::SemiCondensed;
} else if (percentage <= 100.0f) {
width = Gfx::FontWidth::Normal;
} else if (percentage <= 112.5f) {
width = Gfx::FontWidth::SemiExpanded;
} else if (percentage <= 125.0f) {
width = Gfx::FontWidth::Expanded;
} else if (percentage <= 150.0f) {
width = Gfx::FontWidth::ExtraExpanded;
} else {
width = Gfx::FontWidth::UltraExpanded;
}
}
return width;
}
}

1
Userland/Libraries/LibWeb/CSS/StyleValue.h
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@ -331,6 +331,7 @@ public:
[[nodiscard]] int to_font_weight() const;
[[nodiscard]] int to_font_slope() const;
[[nodiscard]] int to_font_stretch_width() const;
virtual bool equals(StyleValue const& other) const = 0;