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			70 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
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|  * Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibWeb/CSS/Parser/Parser.h>
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| #include <LibWeb/SVG/SVGGraphicsElement.h>
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| 
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| namespace Web::SVG {
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| 
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| SVGGraphicsElement::SVGGraphicsElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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|     : SVGElement(document, move(qualified_name))
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| {
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| }
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| 
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| void SVGGraphicsElement::apply_presentational_hints(CSS::StyleProperties& style) const
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| {
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|     CSS::ParsingContext parsing_context { document() };
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|     for_each_attribute([&](auto& name, auto& value) {
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|         if (name.equals_ignoring_case("fill")) {
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|             // FIXME: The `fill` attribute and CSS `fill` property are not the same! But our support is limited enough that they are equivalent for now.
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|             if (auto fill_value = parse_css_value(parsing_context, value, CSS::PropertyID::Fill))
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|                 style.set_property(CSS::PropertyID::Fill, fill_value.release_nonnull());
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|         } else if (name.equals_ignoring_case("stroke")) {
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|             // FIXME: The `stroke` attribute and CSS `stroke` property are not the same! But our support is limited enough that they are equivalent for now.
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|             if (auto stroke_value = parse_css_value(parsing_context, value, CSS::PropertyID::Stroke))
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|                 style.set_property(CSS::PropertyID::Stroke, stroke_value.release_nonnull());
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|         } else if (name.equals_ignoring_case("stroke-width")) {
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|             if (auto stroke_width_value = parse_css_value(parsing_context, value, CSS::PropertyID::StrokeWidth))
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|                 style.set_property(CSS::PropertyID::StrokeWidth, stroke_width_value.release_nonnull());
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|         }
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|     });
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| }
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| 
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| Optional<Gfx::Color> SVGGraphicsElement::fill_color() const
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| {
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|     if (!layout_node())
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|         return {};
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|     // FIXME: In the working-draft spec, `fill` is intended to be a shorthand, with `fill-color`
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|     //        being what we actually want to use. But that's not final or widely supported yet.
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|     return layout_node()->computed_values().fill();
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| }
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| 
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| Optional<Gfx::Color> SVGGraphicsElement::stroke_color() const
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| {
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|     if (!layout_node())
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|         return {};
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|     // FIXME: In the working-draft spec, `stroke` is intended to be a shorthand, with `stroke-color`
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|     //        being what we actually want to use. But that's not final or widely supported yet.
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|     return layout_node()->computed_values().stroke();
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| }
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| 
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| Optional<float> SVGGraphicsElement::stroke_width() const
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| {
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|     if (!layout_node())
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|         return {};
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|     // FIXME: Converting to pixels isn't really correct - values should be in "user units"
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|     //        https://svgwg.org/svg2-draft/coords.html#TermUserUnits
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|     if (auto width = layout_node()->computed_values().stroke_width(); width.has_value()) {
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|         // Resolved relative to the "Scaled viewport size": https://www.w3.org/TR/2017/WD-fill-stroke-3-20170413/#scaled-viewport-size
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|         // FIXME: This isn't right, but it's something.
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|         auto scaled_viewport_size = CSS::Length::make_px((client_width() + client_height()) * 0.5f);
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|         return width->resolved(*layout_node(), scaled_viewport_size).to_px(*layout_node());
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|     }
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|     return {};
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| }
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| 
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| }
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