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LibWeb: Add CanvasRenderingContext2D.canvas

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Linus Groh 2020-05-21 00:09:31 +01:00 committed by Andreas Kling
parent abb33d425e
commit a0f3e3c50e
Notes: sideshowbarker 2024-07-19 06:17:54 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/a0f3e3c50e6
Pull-request: https://github.com/SerenityOS/serenity/pull/2314
Reviewed-by: https://github.com/awesomekling
3 changed files with 28 additions and 11 deletions
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19
Libraries/LibWeb/Bindings/CanvasRenderingContext2DWrapper.cpp
View file

@ -35,6 +35,7 @@
#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
#include <LibWeb/Bindings/ImageDataWrapper.h>
#include <LibWeb/DOM/CanvasRenderingContext2D.h>
#include <LibWeb/DOM/HTMLCanvasElement.h>
#include <LibWeb/DOM/HTMLImageElement.h>
#include <LibWeb/DOM/ImageData.h>
@ -50,14 +51,11 @@ CanvasRenderingContext2DWrapper::CanvasRenderingContext2DWrapper(CanvasRendering
: Wrapper(*interpreter().global_object().object_prototype())
, m_impl(impl)
{
put_native_property("fillStyle", fill_style_getter, fill_style_setter);
put_native_function("fillRect", fill_rect, 4);
put_native_function("scale", scale, 2);
put_native_function("translate", translate, 2);
put_native_property("strokeStyle", stroke_style_getter, stroke_style_setter);
put_native_function("strokeRect", stroke_rect, 4);
put_native_function("drawImage", draw_image, 3);
put_native_function("beginPath", begin_path, 0);
put_native_function("closePath", close_path, 0);
put_native_function("stroke", stroke, 0);
@ -65,11 +63,13 @@ CanvasRenderingContext2DWrapper::CanvasRenderingContext2DWrapper(CanvasRendering
put_native_function("moveTo", move_to, 2);
put_native_function("lineTo", line_to, 2);
put_native_function("quadraticCurveTo", quadratic_curve_to, 4);
put_native_function("createImageData", create_image_data, 1);
put_native_function("putImageData", put_image_data, 3);
put_native_property("fillStyle", fill_style_getter, fill_style_setter);
put_native_property("strokeStyle", stroke_style_getter, stroke_style_setter);
put_native_property("lineWidth", line_width_getter, line_width_setter);
put_native_property("canvas", canvas_getter, nullptr);
}
CanvasRenderingContext2DWrapper::~CanvasRenderingContext2DWrapper()
@ -397,5 +397,16 @@ JS::Value CanvasRenderingContext2DWrapper::put_image_data(JS::Interpreter& inter
return JS::js_undefined();
}
JS::Value CanvasRenderingContext2DWrapper::canvas_getter(JS::Interpreter& interpreter)
{
auto* impl = impl_from(interpreter);
if (!impl)
return {};
auto* element = impl->element();
if (!element)
return JS::js_null();
return wrap(interpreter.heap(), *element);
}
}
}

18
Libraries/LibWeb/Bindings/CanvasRenderingContext2DWrapper.h
View file

@ -47,12 +47,6 @@ private:
static JS::Value draw_image(JS::Interpreter&);
static JS::Value scale(JS::Interpreter&);
static JS::Value translate(JS::Interpreter&);
static JS::Value fill_style_getter(JS::Interpreter&);
static void fill_style_setter(JS::Interpreter&, JS::Value);
static JS::Value stroke_style_getter(JS::Interpreter&);
static void stroke_style_setter(JS::Interpreter&, JS::Value);
static JS::Value line_width_getter(JS::Interpreter&);
static void line_width_setter(JS::Interpreter&, JS::Value);
static JS::Value begin_path(JS::Interpreter&);
static JS::Value close_path(JS::Interpreter&);
static JS::Value stroke(JS::Interpreter&);
@ -60,10 +54,20 @@ private:
static JS::Value move_to(JS::Interpreter&);
static JS::Value line_to(JS::Interpreter&);
static JS::Value quadratic_curve_to(JS::Interpreter&);
static JS::Value create_image_data(JS::Interpreter&);
static JS::Value put_image_data(JS::Interpreter&);
static JS::Value fill_style_getter(JS::Interpreter&);
static void fill_style_setter(JS::Interpreter&, JS::Value);
static JS::Value stroke_style_getter(JS::Interpreter&);
static void stroke_style_setter(JS::Interpreter&, JS::Value);
static void line_width_setter(JS::Interpreter&, JS::Value);
static JS::Value line_width_getter(JS::Interpreter&);
static JS::Value canvas_getter(JS::Interpreter&);
NonnullRefPtr<CanvasRenderingContext2D> m_impl;
};

2
Libraries/LibWeb/DOM/CanvasRenderingContext2D.h
View file

@ -77,6 +77,8 @@ public:
RefPtr<ImageData> create_image_data(JS::GlobalObject&, int width, int height) const;
void put_image_data(const ImageData&, float x, float y);
HTMLCanvasElement* element() { return m_element; }
private:
explicit CanvasRenderingContext2D(HTMLCanvasElement&);