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LibWeb: Extract CanvasDrawImage class from CRC2D

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Sam Atkins 2022-08-12 17:28:54 +01:00 • committed by Andreas Kling
parent 7cf42ede68
commit 270c60c5e8
7 changed files with 105 additions and 47 deletions
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35
Userland/Libraries/LibWeb/HTML/Canvas/CanvasDrawImage.h Normal file
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/*
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/HTML/HTMLCanvasElement.h>
#include <LibWeb/HTML/HTMLImageElement.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/canvas.html#canvasimagesource
// NOTE: This is the Variant created by the IDL wrapper generator, and needs to be updated accordingly.
using CanvasImageSource = Variant<NonnullRefPtr<HTMLImageElement>, NonnullRefPtr<HTMLCanvasElement>>;
// https://html.spec.whatwg.org/multipage/canvas.html#canvasdrawimage
class CanvasDrawImage {
public:
virtual ~CanvasDrawImage() = default;
DOM::ExceptionOr<void> draw_image(CanvasImageSource const&, float destination_x, float destination_y);
DOM::ExceptionOr<void> draw_image(CanvasImageSource const&, float destination_x, float destination_y, float destination_width, float destination_height);
DOM::ExceptionOr<void> draw_image(CanvasImageSource const&, float source_x, float source_y, float source_width, float source_height, float destination_x, float destination_y, float destination_width, float destination_height);
virtual DOM::ExceptionOr<void> draw_image_internal(CanvasImageSource const&, float source_x, float source_y, float source_width, float source_height, float destination_x, float destination_y, float destination_width, float destination_height) = 0;
protected:
CanvasDrawImage() = default;
};
}