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https://github.com/LadybirdBrowser/ladybird
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15cb3e872e
It is not guaranteed that inherited classes have the same address as the base of the derived class. In that case a reinterpret cast leads to undefined behavior. This occured on msvc ABI. See: https://godbolt.org/z/jGeEW3c48 Co-authored-by: ayeteadoe <ayeteadoe@gmail.com>
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
/*
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* Copyright (c) 2024, İbrahim UYSAL <uysalibov@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 <AK/String.h>
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#include <LibWeb/HTML/Canvas/CanvasState.h>
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#include <LibWeb/HTML/CanvasGradient.h>
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#include <LibWeb/HTML/CanvasPattern.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/canvas.html#canvasshadowstyles
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template<typename IncludingClass>
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class CanvasShadowStyles {
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public:
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~CanvasShadowStyles() = default;
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virtual float shadow_offset_x() const = 0;
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virtual void set_shadow_offset_x(float offsetX) = 0;
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virtual float shadow_offset_y() const = 0;
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virtual void set_shadow_offset_y(float offsetY) = 0;
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virtual float shadow_blur() const = 0;
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virtual void set_shadow_blur(float offsetY) = 0;
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virtual String shadow_color() const = 0;
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virtual void set_shadow_color(String color) = 0;
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protected:
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CanvasShadowStyles() = default;
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private:
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CanvasState::DrawingState& my_drawing_state() { return static_cast<IncludingClass&>(*this).drawing_state(); }
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CanvasState::DrawingState const& my_drawing_state() const { return static_cast<IncludingClass const&>(*this).drawing_state(); }
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};
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}
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