ed84fbce47
This will allow us to use a protective NonnullRefPtr to keep paintables alive while running arbitrary JavaScript in response to events.
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGfx/AntiAliasingPainter.h>
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#include <LibGfx/Painter.h>
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#include <LibWeb/Layout/SVGGeometryBox.h>
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#include <LibWeb/Painting/SVGGeometryPaintable.h>
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#include <LibWeb/SVG/SVGPathElement.h>
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#include <LibWeb/SVG/SVGSVGElement.h>
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namespace Web::Layout {
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SVGGeometryBox::SVGGeometryBox(DOM::Document& document, SVG::SVGGeometryElement& element, NonnullRefPtr<CSS::StyleProperties> properties)
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: SVGGraphicsBox(document, element, properties)
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{
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}
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float SVGGeometryBox::viewbox_scaling() const
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{
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auto* svg_box = dom_node().first_ancestor_of_type<SVG::SVGSVGElement>();
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if (!svg_box || !svg_box->view_box().has_value())
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return 1;
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auto view_box = svg_box->view_box().value();
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bool has_specified_width = svg_box->has_attribute(HTML::AttributeNames::width);
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auto specified_width = paint_box()->content_width();
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bool has_specified_height = svg_box->has_attribute(HTML::AttributeNames::height);
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auto specified_height = paint_box()->content_height();
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auto scale_width = has_specified_width ? specified_width / view_box.width : 1;
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auto scale_height = has_specified_height ? specified_height / view_box.height : 1;
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return min(scale_width, scale_height);
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}
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Gfx::FloatPoint SVGGeometryBox::viewbox_origin() const
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{
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auto* svg_box = dom_node().first_ancestor_of_type<SVG::SVGSVGElement>();
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if (!svg_box || !svg_box->view_box().has_value())
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return { 0, 0 };
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return { svg_box->view_box().value().min_x, svg_box->view_box().value().min_y };
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}
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RefPtr<Painting::Paintable> SVGGeometryBox::create_paintable() const
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{
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return Painting::SVGGeometryPaintable::create(*this);
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}
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}
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