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LibWeb: Add canvas.quadraticCurveTo()

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Also adds a test, and removes debug spam ™️
This commit is contained in:
AnotherTest 2020-05-05 06:54:26 +04:30 • committed by Andreas Kling
parent 9f3f98d4c0
commit 0a55679de4
7 changed files with 70 additions and 2 deletions
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14
Libraries/LibWeb/Bindings/CanvasRenderingContext2DWrapper.cpp
View file

@ -63,6 +63,7 @@ CanvasRenderingContext2DWrapper::CanvasRenderingContext2DWrapper(CanvasRendering
put_native_function("stroke", stroke, 0);
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);
@ -240,6 +241,19 @@ JS::Value CanvasRenderingContext2DWrapper::line_to(JS::Interpreter& interpreter)
return JS::js_undefined();
}
JS::Value CanvasRenderingContext2DWrapper::quadratic_curve_to(JS::Interpreter& interpreter)
{
auto* impl = impl_from(interpreter);
if (!impl)
return {};
double cx = interpreter.argument(0).to_double();
double cy = interpreter.argument(1).to_double();
double x = interpreter.argument(2).to_double();
double y = interpreter.argument(3).to_double();
impl->quadratic_curve_to(cx, cy, x, y);
return JS::js_undefined();
}
JS::Value CanvasRenderingContext2DWrapper::create_image_data(JS::Interpreter& interpreter)
{
auto* impl = impl_from(interpreter);

1
Libraries/LibWeb/Bindings/CanvasRenderingContext2DWrapper.h
View file

@ -58,6 +58,7 @@ private:
static JS::Value stroke(JS::Interpreter&);
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&);

7
Libraries/LibWeb/DOM/CanvasRenderingContext2D.cpp
View file

@ -165,10 +165,13 @@ void CanvasRenderingContext2D::line_to(float x, float y)
m_path.line_to({ x, y });
}
void CanvasRenderingContext2D::quadratic_curve_to(float cx, float cy, float x, float y)
{
m_path.quadratic_bezier_curve_to({ cx, cy }, { x, y });
}
void CanvasRenderingContext2D::stroke()
{
dbg() << "stroke path " << m_path;
auto painter = this->painter();
if (!painter)
return;

1
Libraries/LibWeb/DOM/CanvasRenderingContext2D.h
View file

@ -69,6 +69,7 @@ public:
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();
RefPtr<ImageData> create_image_data(JS::GlobalObject&, int width, int height) const;