diff options
Diffstat (limited to 'Userland/Libraries/LibWeb/Layout/SVGGeometryBox.cpp')
-rw-r--r-- | Userland/Libraries/LibWeb/Layout/SVGGeometryBox.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/Userland/Libraries/LibWeb/Layout/SVGGeometryBox.cpp b/Userland/Libraries/LibWeb/Layout/SVGGeometryBox.cpp new file mode 100644 index 0000000000..756016361f --- /dev/null +++ b/Userland/Libraries/LibWeb/Layout/SVGGeometryBox.cpp @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com> + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#include <LibGfx/AntiAliasingPainter.h> +#include <LibGfx/Painter.h> +#include <LibWeb/Layout/SVGGeometryBox.h> +#include <LibWeb/SVG/SVGPathElement.h> + +namespace Web::Layout { + +SVGGeometryBox::SVGGeometryBox(DOM::Document& document, SVG::SVGGeometryElement& element, NonnullRefPtr<CSS::StyleProperties> properties) + : SVGGraphicsBox(document, element, properties) +{ +} + +void SVGGeometryBox::paint(PaintContext& context, PaintPhase phase) +{ + if (!is_visible()) + return; + + SVGGraphicsBox::paint(context, phase); + + if (phase != PaintPhase::Foreground) + return; + + auto& geometry_element = dom_node(); + auto& path = geometry_element.get_path(); + + Gfx::AntiAliasingPainter painter { context.painter() }; + auto& svg_context = context.svg_context(); + + auto offset = absolute_position(); + painter.translate(offset); + + if (auto fill_color = geometry_element.fill_color().value_or(svg_context.fill_color()); fill_color.alpha() > 0) { + // We need to fill the path before applying the stroke, however the filled + // path must be closed, whereas the stroke path may not necessary be closed. + // Copy the path and close it for filling, but use the previous path for stroke + auto closed_path = path; + closed_path.close(); + + // Fills are computed as though all paths are closed (https://svgwg.org/svg2-draft/painting.html#FillProperties) + painter.fill_path( + closed_path, + fill_color, + Gfx::Painter::WindingRule::EvenOdd); + } + + if (auto stroke_color = geometry_element.stroke_color().value_or(svg_context.stroke_color()); stroke_color.alpha() > 0) { + painter.stroke_path( + path, + stroke_color, + geometry_element.stroke_width().value_or(svg_context.stroke_width())); + } + + painter.translate(-offset); +} + +} |