Libraries: Move to Userland/Libraries/

1 files changed, 103 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.h b/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.h
new file mode 100644
index 0000000000..58cccfc6e6
--- /dev/null
+++ b/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/RefCounted.h>
+#include <LibGfx/AffineTransform.h>
+#include <LibGfx/Color.h>
+#include <LibGfx/Forward.h>
+#include <LibGfx/Painter.h>
+#include <LibGfx/Path.h>
+#include <LibWeb/Bindings/Wrappable.h>
+
+namespace Web::HTML {
+
+class CanvasRenderingContext2D
+    : public RefCounted<CanvasRenderingContext2D>
+    , public Bindings::Wrappable {
+
+    AK_MAKE_NONCOPYABLE(CanvasRenderingContext2D);
+    AK_MAKE_NONMOVABLE(CanvasRenderingContext2D);
+
+public:
+    using WrapperType = Bindings::CanvasRenderingContext2DWrapper;
+
+    static NonnullRefPtr<CanvasRenderingContext2D> create(HTMLCanvasElement& element) { return adopt(*new CanvasRenderingContext2D(element)); }
+    ~CanvasRenderingContext2D();
+
+    void set_fill_style(String);
+    String fill_style() const;
+
+    void set_stroke_style(String);
+    String stroke_style() const;
+
+    void fill_rect(float x, float y, float width, float height);
+    void stroke_rect(float x, float y, float width, float height);
+
+    void draw_image(const HTMLImageElement&, float x, float y);
+
+    void scale(float sx, float sy);
+    void translate(float x, float y);
+    void rotate(float degrees);
+
+    void set_line_width(float line_width) { m_line_width = line_width; }
+    float line_width() const { return m_line_width; }
+
+    void begin_path();
+    void close_path();
+    void move_to(float x, float y);
+    void line_to(float x, float y);
+    void quadratic_curve_to(float cx, float cy, float x, float y);
+    void stroke();
+
+    // FIXME: We should only have one fill(), really. Fix the wrapper generator!
+    void fill(Gfx::Painter::WindingRule);
+    void fill(const String& fill_rule);
+
+    RefPtr<ImageData> create_image_data(int width, int height) const;
+    void put_image_data(const ImageData&, float x, float y);
+
+    HTMLCanvasElement* canvas() { return m_element; }
+
+private:
+    explicit CanvasRenderingContext2D(HTMLCanvasElement&);
+
+    void did_draw(const Gfx::FloatRect&);
+
+    OwnPtr<Gfx::Painter> painter();
+
+    WeakPtr<HTMLCanvasElement> m_element;
+
+    Gfx::AffineTransform m_transform;
+    Gfx::Color m_fill_style;
+    Gfx::Color m_stroke_style;
+    float m_line_width { 1 };
+
+    Gfx::Path m_path;
+};
+
+}