ladybird/Libraries/LibWeb/Painting/SVGPaintable.cpp
Tim Ledbetter cfc6439c12
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LibWeb: Use shape-rendering to control anti aliasing for SVG paths
Anti-aliasing is disabled if `shape-rendering` is set to
`optimizeSpeed` or `crispEdges`.
2025-08-19 09:47:28 +01:00

44 lines
1.3 KiB
C++

/*
* Copyright (c) 2018-2022, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Layout/ImageBox.h>
#include <LibWeb/Layout/SVGSVGBox.h>
#include <LibWeb/Painting/DisplayListRecorder.h>
#include <LibWeb/Painting/SVGPaintable.h>
#include <LibWeb/SVG/SVGMaskElement.h>
namespace Web::Painting {
SVGPaintable::SVGPaintable(Layout::SVGBox const& layout_box)
: PaintableBox(layout_box)
{
}
Layout::SVGBox const& SVGPaintable::layout_box() const
{
return static_cast<Layout::SVGBox const&>(layout_node());
}
CSSPixelRect SVGPaintable::compute_absolute_rect() const
{
if (auto* svg_svg_box = layout_box().first_ancestor_of_type<Layout::SVGSVGBox>()) {
CSSPixelRect rect { offset(), content_size() };
for (Layout::Box const* ancestor = svg_svg_box; ancestor; ancestor = ancestor->containing_block())
rect.translate_by(ancestor->paintable_box()->offset());
return rect;
}
return PaintableBox::compute_absolute_rect();
}
ShouldAntiAlias SVGPaintable::should_anti_alias() const
{
auto shape_rendering = computed_values().shape_rendering();
if (first_is_one_of(shape_rendering, CSS::ShapeRendering::Optimizespeed, CSS::ShapeRendering::Crispedges))
return ShouldAntiAlias::No;
return ShouldAntiAlias::Yes;
}
}