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LibWeb: Parse and store the opacity property
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5 changed files with 23 additions and 0 deletions
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@ -62,6 +62,7 @@ public:
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FlexBasisData flex_basis() const { return m_noninherited.flex_basis; }
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Optional<float> flex_grow_factor() const { return m_noninherited.flex_grow_factor; }
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Optional<float> flex_shrink_factor() const { return m_noninherited.flex_shrink_factor; }
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Optional<float> opacity() const { return m_noninherited.opacity; }
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CSS::JustifyContent justify_content() const { return m_noninherited.justify_content; }
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const CSS::Length& width() const { return m_noninherited.width; }
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const CSS::Length& min_width() const { return m_noninherited.min_width; }
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@ -146,6 +147,7 @@ protected:
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CSS::JustifyContent justify_content { InitialValues::justify_content() };
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CSS::Overflow overflow_x { InitialValues::overflow() };
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CSS::Overflow overflow_y { InitialValues::overflow() };
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Optional<float> opacity;
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} m_noninherited;
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};
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@ -193,6 +195,7 @@ public:
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void set_flex_basis(FlexBasisData value) { m_noninherited.flex_basis = value; }
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void set_flex_grow_factor(Optional<float> value) { m_noninherited.flex_grow_factor = value; }
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void set_flex_shrink_factor(Optional<float> value) { m_noninherited.flex_shrink_factor = value; }
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void set_opacity(Optional<float> value) { m_noninherited.opacity = value; }
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void set_justify_content(CSS::JustifyContent value) { m_noninherited.justify_content = value; }
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};
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@ -347,6 +347,10 @@
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"inherited": false,
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"initial": "0"
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},
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"opacity": {
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"inherited": false,
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"initial": 1
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},
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"overflow": {
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"longhands": [
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"overflow-x",
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@ -229,6 +229,18 @@ Optional<int> StyleProperties::z_index() const
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return static_cast<int>(value.value()->to_length().raw_value());
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}
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Optional<float> StyleProperties::opacity() const
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{
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auto value = property(CSS::PropertyID::Opacity);
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if (!value.has_value())
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return {};
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if (auto length = value.value()->to_length(); length.is_percentage())
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return clamp(static_cast<float>(length.raw_value() / 100), 0.0f, 1.0f);
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else
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return clamp(static_cast<float>(length.raw_value()), 0.0f, 1.0f);
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}
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Optional<CSS::FlexDirection> StyleProperties::flex_direction() const
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{
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auto value = property(CSS::PropertyID::FlexDirection);
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@ -56,6 +56,7 @@ public:
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Optional<CSS::FlexBasisData> flex_basis() const;
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Optional<float> flex_grow_factor() const;
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Optional<float> flex_shrink_factor() const;
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Optional<float> opacity() const;
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Optional<CSS::JustifyContent> justify_content() const;
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Optional<CSS::Overflow> overflow_x() const;
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Optional<CSS::Overflow> overflow_y() const;
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@ -327,6 +327,9 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& specified_style)
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computed_values.set_background_color(specified_style.color_or_fallback(CSS::PropertyID::BackgroundColor, document(), Color::Transparent));
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computed_values.set_z_index(specified_style.z_index());
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computed_values.set_opacity(specified_style.opacity());
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if (computed_values.opacity() == 0)
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m_visible = false;
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if (auto width = specified_style.property(CSS::PropertyID::Width); width.has_value())
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m_has_definite_width = true;
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