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/*
* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibGfx/Painter.h>
#include <LibWeb/Layout/LayoutSVGPath.h>
#include <LibWeb/SVG/SVGPathElement.h>
namespace Web {
LayoutSVGPath::LayoutSVGPath(DOM::Document& document, SVG::SVGPathElement& element, NonnullRefPtr<CSS::StyleProperties> properties)
: LayoutSVGGraphics(document, element, properties)
{
}
void LayoutSVGPath::layout(LayoutNode::LayoutMode mode)
{
auto& bounding_box = node().get_path().bounding_box();
set_has_intrinsic_width(true);
set_has_intrinsic_height(true);
set_intrinsic_width(bounding_box.width());
set_intrinsic_height(bounding_box.height());
set_offset(bounding_box.top_left());
LayoutSVGGraphics::layout(mode);
}
void LayoutSVGPath::paint(PaintContext& context, LayoutNode::PaintPhase phase)
{
if (!is_visible())
return;
LayoutSVGGraphics::paint(context, phase);
if (phase != LayoutNode::PaintPhase::Foreground)
return;
auto& path_element = node();
auto& path = path_element.get_path();
// 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)
auto& painter = context.painter();
auto& svg_context = context.svg_context();
auto offset = (absolute_position() - effective_offset()).to_type<int>();
painter.translate(offset);
painter.fill_path(
closed_path,
path_element.fill_color().value_or(svg_context.fill_color()),
Gfx::Painter::WindingRule::EvenOdd);
painter.stroke_path(
path,
path_element.stroke_color().value_or(svg_context.stroke_color()),
path_element.stroke_width().value_or(svg_context.stroke_width()));
painter.translate(-offset);
}
}
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