mirror of
https://github.com/RGBCube/serenity
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103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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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(*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 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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void stroke();
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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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