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f388d3c88c
This isn't a full fix, as the paint function does not handle this either. But instead of getting the bitmap from the image source immediately, follow the spec a bit more closely by creating the CanvasPatern object with the ImageSource directly. Fixes a crash for the 5 included WPT tests.
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
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* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
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* Copyright (c) 2025, Shannon Booth <shannon@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 <LibGfx/PaintStyle.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/HTML/Canvas/CanvasDrawImage.h>
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namespace Web::HTML {
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class CanvasPatternPaintStyle final : public Gfx::PaintStyle {
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public:
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enum class Repetition {
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Repeat,
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RepeatX,
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RepeatY,
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NoRepeat
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};
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static ErrorOr<NonnullRefPtr<CanvasPatternPaintStyle>> create(CanvasImageSource image, Repetition repetition)
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{
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return adopt_nonnull_ref_or_enomem(new (nothrow) CanvasPatternPaintStyle(move(image), repetition));
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}
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virtual void paint(Gfx::IntRect physical_bounding_box, PaintFunction paint) const override;
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private:
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CanvasPatternPaintStyle(CanvasImageSource image, Repetition repetition)
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: m_image(move(image))
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, m_repetition(repetition)
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{
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}
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CanvasImageSource m_image;
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Repetition m_repetition { Repetition::Repeat };
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};
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class CanvasPattern final : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(CanvasPattern, Bindings::PlatformObject);
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GC_DECLARE_ALLOCATOR(CanvasPattern);
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public:
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static WebIDL::ExceptionOr<GC::Ptr<CanvasPattern>> create(JS::Realm&, CanvasImageSource const& image, StringView repetition);
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~CanvasPattern();
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NonnullRefPtr<Gfx::PaintStyle> to_gfx_paint_style() { return m_pattern; }
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private:
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CanvasPattern(JS::Realm&, CanvasPatternPaintStyle&);
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virtual void initialize(JS::Realm&) override;
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NonnullRefPtr<CanvasPatternPaintStyle> m_pattern;
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};
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}
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