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LibWeb: Implement SVG opacity properties

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This implements the stop-opacity, fill-opacity, and stroke-opacity
properties (in CSS). This replaces the existing more ad-hoc
fill-opacity attribute handling.
This commit is contained in:
MacDue 2023-05-19 20:35:39 +01:00 • committed by Andreas Kling
parent 120e5b6b6f
commit 00cda96e2d
13 changed files with 141 additions and 29 deletions
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12
Userland/Libraries/LibWeb/CSS/ComputedValues.h
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@ -62,6 +62,9 @@ public:
static float flex_shrink() { return 1.0f; }
static int order() { return 0; }
static float opacity() { return 1.0f; }
static float fill_opacity() { return 1.0f; }
static float stroke_opacity() { return 1.0f; }
static float stop_opacity() { return 1.0f; }
static CSS::Length border_radius() { return Length::make_px(0); }
static Variant<CSS::VerticalAlign, CSS::LengthPercentage> vertical_align() { return CSS::VerticalAlign::Baseline; }
static CSS::LengthBox inset() { return { CSS::Length::make_auto(), CSS::Length::make_auto(), CSS::Length::make_auto(), CSS::Length::make_auto() }; }
@ -284,8 +287,11 @@ public:
Optional<SVGPaint> const& fill() const { return m_inherited.fill; }
Optional<SVGPaint> const& stroke() const { return m_inherited.stroke; }
float fill_opacity() const { return m_inherited.fill_opacity; }
float stroke_opacity() const { return m_inherited.stroke_opacity; }
Optional<LengthPercentage> const& stroke_width() const { return m_inherited.stroke_width; }
Color stop_color() const { return m_noninherited.stop_color; }
float stop_opacity() const { return m_noninherited.stop_opacity; }
Vector<CSS::Transformation> const& transformations() const { return m_noninherited.transformations; }
CSS::TransformOrigin const& transform_origin() const { return m_noninherited.transform_origin; }
@ -321,6 +327,8 @@ protected:
Optional<SVGPaint> fill;
Optional<SVGPaint> stroke;
float fill_opacity { InitialValues::fill_opacity() };
float stroke_opacity { InitialValues::stroke_opacity() };
Optional<LengthPercentage> stroke_width;
} m_inherited;
@ -388,6 +396,7 @@ protected:
CSS::BorderCollapse border_collapse { InitialValues::border_collapse() };
Vector<Vector<String>> grid_template_areas { InitialValues::grid_template_areas() };
Gfx::Color stop_color { InitialValues::stop_color() };
float stop_opacity { InitialValues::stop_opacity() };
} m_noninherited;
};
@ -475,8 +484,11 @@ public:
void set_fill(SVGPaint value) { m_inherited.fill = value; }
void set_stroke(SVGPaint value) { m_inherited.stroke = value; }
void set_fill_opacity(float value) { m_inherited.fill_opacity = value; }
void set_stroke_opacity(float value) { m_inherited.stroke_opacity = value; }
void set_stroke_width(LengthPercentage value) { m_inherited.stroke_width = value; }
void set_stop_color(Color value) { m_noninherited.stop_color = value; }
void set_stop_opacity(float value) { m_noninherited.stop_opacity = value; }
};
}