ladybird/Userland/Libraries/LibWeb/Layout/SVGGeometryBox.cpp

54 lines
1.7 KiB
C++

/*
* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
* Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Layout/SVGGeometryBox.h>
#include <LibWeb/Painting/SVGGeometryPaintable.h>
#include <LibWeb/SVG/SVGPathElement.h>
#include <LibWeb/SVG/SVGSVGElement.h>
namespace Web::Layout {
SVGGeometryBox::SVGGeometryBox(DOM::Document& document, SVG::SVGGeometryElement& element, NonnullRefPtr<CSS::StyleProperties> properties)
: SVGGraphicsBox(document, element, properties)
{
}
float SVGGeometryBox::viewbox_scaling() const
{
auto* svg_box = dom_node().first_ancestor_of_type<SVG::SVGSVGElement>();
if (!svg_box || !svg_box->view_box().has_value())
return 1;
auto view_box = svg_box->view_box().value();
bool has_specified_width = svg_box->has_attribute(HTML::AttributeNames::width);
auto specified_width = paint_box()->content_width();
bool has_specified_height = svg_box->has_attribute(HTML::AttributeNames::height);
auto specified_height = paint_box()->content_height();
auto scale_width = has_specified_width ? specified_width / view_box.width : 1;
auto scale_height = has_specified_height ? specified_height / view_box.height : 1;
return min(scale_width, scale_height);
}
Gfx::FloatPoint SVGGeometryBox::viewbox_origin() const
{
auto* svg_box = dom_node().first_ancestor_of_type<SVG::SVGSVGElement>();
if (!svg_box || !svg_box->view_box().has_value())
return { 0, 0 };
return { svg_box->view_box().value().min_x, svg_box->view_box().value().min_y };
}
RefPtr<Painting::Paintable> SVGGeometryBox::create_paintable() const
{
return Painting::SVGGeometryPaintable::create(*this);
}
}