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62ae4e878f
We already had the API, but drawing to the canvas was not affected by any created CanvasPattern. This moves CanvasPatternPaintStyle to LibGfx so we don't have to reach into LibWeb, and implements the plumbing to let Skia use images as a fill pattern.
43 lines
2 KiB
C++
43 lines
2 KiB
C++
/*
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* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2025, Jelle Raaijmakers <jelle@ladybird.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 <LibGfx/Size.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/HTMLCanvasElement.h>
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#include <LibWeb/HTML/HTMLImageElement.h>
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#include <LibWeb/HTML/HTMLVideoElement.h>
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#include <LibWeb/HTML/OffscreenCanvas.h>
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#include <LibWeb/SVG/SVGImageElement.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/canvas.html#canvasimagesource
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// NOTE: This is the Variant created by the IDL wrapper generator, and needs to be updated accordingly.
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using CanvasImageSource = Variant<GC::Root<HTMLImageElement>, GC::Root<SVG::SVGImageElement>, GC::Root<HTMLCanvasElement>, GC::Root<ImageBitmap>, GC::Root<OffscreenCanvas>, GC::Root<HTMLVideoElement>>;
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Gfx::IntSize canvas_image_source_dimensions(CanvasImageSource const&);
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RefPtr<Gfx::ImmutableBitmap> canvas_image_source_bitmap(CanvasImageSource const&);
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// https://html.spec.whatwg.org/multipage/canvas.html#canvasdrawimage
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class CanvasDrawImage {
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public:
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virtual ~CanvasDrawImage() = default;
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WebIDL::ExceptionOr<void> draw_image(CanvasImageSource const&, float destination_x, float destination_y);
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WebIDL::ExceptionOr<void> draw_image(CanvasImageSource const&, float destination_x, float destination_y, float destination_width, float destination_height);
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WebIDL::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);
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virtual WebIDL::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;
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protected:
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CanvasDrawImage() = default;
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};
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}
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