23d8d217ed
This is part of the spec but was missed. This fixes a crash on: https://www.kevs3d.co.uk/dev/phoria/test1d.html
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibWeb/HTML/Canvas/CanvasState.h>
|
|
|
|
namespace Web::HTML {
|
|
|
|
// https://html.spec.whatwg.org/multipage/canvas.html#canvaspathdrawingstyles
|
|
template<typename IncludingClass>
|
|
class CanvasPathDrawingStyles {
|
|
public:
|
|
~CanvasPathDrawingStyles() = default;
|
|
|
|
// https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-linewidth
|
|
void set_line_width(float line_width)
|
|
{
|
|
// On setting, zero, negative, infinite, and NaN values must be ignored, leaving the value unchanged;
|
|
if (line_width <= 0 || !isfinite(line_width))
|
|
return;
|
|
// other values must change the current value to the new value.
|
|
my_drawing_state().line_width = line_width;
|
|
}
|
|
float line_width() const
|
|
{
|
|
// On getting, it must return the current value.
|
|
return my_drawing_state().line_width;
|
|
}
|
|
|
|
protected:
|
|
CanvasPathDrawingStyles() = default;
|
|
|
|
private:
|
|
CanvasState::DrawingState& my_drawing_state() { return reinterpret_cast<IncludingClass&>(*this).drawing_state(); }
|
|
CanvasState::DrawingState const& my_drawing_state() const { return reinterpret_cast<IncludingClass const&>(*this).drawing_state(); }
|
|
};
|
|
|
|
}
|