mirror of
https://github.com/RGBCube/serenity
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b91c49364d
This makes it more symmetrical with adopt_own() (which is used to create a NonnullOwnPtr from the result of a naked new.)
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@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 <AK/RefCounted.h>
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#include <LibGfx/AffineTransform.h>
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#include <LibGfx/Color.h>
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#include <LibGfx/Forward.h>
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#include <LibGfx/Painter.h>
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#include <LibGfx/Path.h>
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#include <LibWeb/Bindings/Wrappable.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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namespace Web::HTML {
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class CanvasRenderingContext2D
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: public RefCounted<CanvasRenderingContext2D>
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, public Bindings::Wrappable {
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AK_MAKE_NONCOPYABLE(CanvasRenderingContext2D);
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AK_MAKE_NONMOVABLE(CanvasRenderingContext2D);
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public:
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using WrapperType = Bindings::CanvasRenderingContext2DWrapper;
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static NonnullRefPtr<CanvasRenderingContext2D> create(HTMLCanvasElement& element) { return adopt_ref(*new CanvasRenderingContext2D(element)); }
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~CanvasRenderingContext2D();
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void set_fill_style(String);
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String fill_style() const;
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void set_stroke_style(String);
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String stroke_style() const;
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void fill_rect(float x, float y, float width, float height);
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void stroke_rect(float x, float y, float width, float height);
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void clear_rect(float x, float y, float width, float height);
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void draw_image(const HTMLImageElement&, float x, float y);
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void scale(float sx, float sy);
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void translate(float x, float y);
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void rotate(float degrees);
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void set_line_width(float line_width) { m_line_width = line_width; }
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float line_width() const { return m_line_width; }
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void begin_path();
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void close_path();
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void move_to(float x, float y);
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void line_to(float x, float y);
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void quadratic_curve_to(float cx, float cy, float x, float y);
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DOM::ExceptionOr<void> arc(float x, float y, float radius, float start_angle, float end_angle, bool counter_clockwise);
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DOM::ExceptionOr<void> ellipse(float x, float y, float radius_x, float radius_y, float rotation, float start_angle, float end_angle, bool counter_clockwise);
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void rect(float x, float y, float width, float height);
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void stroke();
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void fill_text(const String&, float x, float y, Optional<double> max_width);
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// FIXME: We should only have one fill(), really. Fix the wrapper generator!
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void fill(Gfx::Painter::WindingRule);
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void fill(const String& fill_rule);
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RefPtr<ImageData> create_image_data(int width, int height) const;
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void put_image_data(const ImageData&, float x, float y);
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HTMLCanvasElement* canvas() { return m_element; }
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private:
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explicit CanvasRenderingContext2D(HTMLCanvasElement&);
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void did_draw(const Gfx::FloatRect&);
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OwnPtr<Gfx::Painter> painter();
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WeakPtr<HTMLCanvasElement> m_element;
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Gfx::AffineTransform m_transform;
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Gfx::Color m_fill_style;
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Gfx::Color m_stroke_style;
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float m_line_width { 1 };
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Gfx::Path m_path;
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};
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}
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