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LibWeb: Extract CanvasPathDrawingStyles class from CRC2D

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Sam Atkins 2022-08-12 17:43:37 +01:00 • committed by Andreas Kling
parent 53b9f36413
commit 9f71d65005
4 changed files with 57 additions and 8 deletions
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30
Userland/Libraries/LibWeb/HTML/Canvas/CanvasPathDrawingStyles.h Normal file
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/*
* 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;
void set_line_width(float line_width) { my_drawing_state().line_width = line_width; }
float line_width() const { 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(); }
};
}

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Userland/Libraries/LibWeb/HTML/Canvas/CanvasPathDrawingStyles.idl Normal file
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// https://html.spec.whatwg.org/multipage/canvas.html#canvaslinecap
enum CanvasLineCap { "butt", "round", "square" };
enum CanvasLineJoin { "round", "bevel", "miter" };
enum CanvasTextAlign { "start", "end", "left", "right", "center" };
enum CanvasTextBaseline { "top", "hanging", "middle", "alphabetic", "ideographic", "bottom" };
enum CanvasDirection { "ltr", "rtl", "inherit" };
enum CanvasFontKerning { "auto", "normal", "none" };
enum CanvasFontStretch { "ultra-condensed", "extra-condensed", "condensed", "semi-condensed", "normal", "semi-expanded", "expanded", "extra-expanded", "ultra-expanded" };
enum CanvasFontVariantCaps { "normal", "small-caps", "all-small-caps", "petite-caps", "all-petite-caps", "unicase", "titling-caps" };
enum CanvasTextRendering { "auto", "optimizeSpeed", "optimizeLegibility", "geometricPrecision" };
// https://html.spec.whatwg.org/multipage/canvas.html#canvaspathdrawingstyles
interface mixin CanvasPathDrawingStyles {
attribute unrestricted double lineWidth;
// FIXME: attribute CanvasLineCap lineCap;
// FIXME: attribute CanvasLineJoin lineJoin;
// FIXME: attribute unrestricted double miterLimit;
// FIXME: undefined setLineDash(sequence<unrestricted double> segments);
// FIXME: sequence<unrestricted double> getLineDash();
// FIXME: attribute unrestricted double lineDashOffset;
};