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LibWeb: Extract CanvasPathDrawingStyles class from CRC2D
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4 changed files with 57 additions and 8 deletions
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/*
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* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/HTML/Canvas/CanvasState.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/canvas.html#canvaspathdrawingstyles
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template<typename IncludingClass>
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class CanvasPathDrawingStyles {
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public:
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~CanvasPathDrawingStyles() = default;
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void set_line_width(float line_width) { my_drawing_state().line_width = line_width; }
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float line_width() const { return my_drawing_state().line_width; }
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protected:
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CanvasPathDrawingStyles() = default;
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private:
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CanvasState::DrawingState& my_drawing_state() { return reinterpret_cast<IncludingClass&>(*this).drawing_state(); }
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CanvasState::DrawingState const& my_drawing_state() const { return reinterpret_cast<IncludingClass const&>(*this).drawing_state(); }
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};
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}
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// https://html.spec.whatwg.org/multipage/canvas.html#canvaslinecap
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enum CanvasLineCap { "butt", "round", "square" };
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enum CanvasLineJoin { "round", "bevel", "miter" };
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enum CanvasTextAlign { "start", "end", "left", "right", "center" };
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enum CanvasTextBaseline { "top", "hanging", "middle", "alphabetic", "ideographic", "bottom" };
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enum CanvasDirection { "ltr", "rtl", "inherit" };
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enum CanvasFontKerning { "auto", "normal", "none" };
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enum CanvasFontStretch { "ultra-condensed", "extra-condensed", "condensed", "semi-condensed", "normal", "semi-expanded", "expanded", "extra-expanded", "ultra-expanded" };
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enum CanvasFontVariantCaps { "normal", "small-caps", "all-small-caps", "petite-caps", "all-petite-caps", "unicase", "titling-caps" };
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enum CanvasTextRendering { "auto", "optimizeSpeed", "optimizeLegibility", "geometricPrecision" };
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// https://html.spec.whatwg.org/multipage/canvas.html#canvaspathdrawingstyles
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interface mixin CanvasPathDrawingStyles {
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attribute unrestricted double lineWidth;
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// FIXME: attribute CanvasLineCap lineCap;
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// FIXME: attribute CanvasLineJoin lineJoin;
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// FIXME: attribute unrestricted double miterLimit;
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// FIXME: undefined setLineDash(sequence<unrestricted double> segments);
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// FIXME: sequence<unrestricted double> getLineDash();
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// FIXME: attribute unrestricted double lineDashOffset;
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};
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