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220e34b69d
Add the CanvasTextDrawingStyles mixin with the textAlign and textBaseline attributes. Update fill_text in CanvasRenderingContext2D to move the text rect by the text align and text baseline attributes. Wrote a simple HTML example to showcase the new features.
33 lines
1.1 KiB
C++
33 lines
1.1 KiB
C++
/*
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* Copyright (c) 2023, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
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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#canvastextdrawingstyles
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template<typename IncludingClass>
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class CanvasTextDrawingStyles {
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public:
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~CanvasTextDrawingStyles() = default;
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void set_text_align(Bindings::CanvasTextAlign text_align) { my_drawing_state().text_align = text_align; }
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Bindings::CanvasTextAlign text_align() const { return my_drawing_state().text_align; }
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void set_text_baseline(Bindings::CanvasTextBaseline text_baseline) { my_drawing_state().text_baseline = text_baseline; }
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Bindings::CanvasTextBaseline text_baseline() const { return my_drawing_state().text_baseline; }
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protected:
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CanvasTextDrawingStyles() = 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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