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https://github.com/RGBCube/serenity
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LibWeb: Add some basic path drawing functionality to the canvas element
This patch adds the following methods to CanvasRenderingContext2D: - beginPath() - moveTo(x, y) - lineTo(x, y) - closePath() - stroke() We also add the lineWidth property. :^)
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6 changed files with 163 additions and 0 deletions
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@ -53,6 +53,14 @@ CanvasRenderingContext2DWrapper::CanvasRenderingContext2DWrapper(CanvasRendering
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put_native_property("strokeStyle", stroke_style_getter, stroke_style_setter);
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put_native_function("strokeRect", stroke_rect, 4);
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put_native_function("drawImage", draw_image, 3);
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put_native_function("beginPath", begin_path, 0);
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put_native_function("closePath", close_path, 0);
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put_native_function("stroke", stroke, 0);
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put_native_function("moveTo", move_to, 0);
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put_native_function("lineTo", line_to, 0);
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put_native_property("lineWidth", line_width_getter, line_width_setter);
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}
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CanvasRenderingContext2DWrapper::~CanvasRenderingContext2DWrapper()
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@ -162,5 +170,68 @@ void CanvasRenderingContext2DWrapper::stroke_style_setter(JS::Interpreter& inter
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impl->set_stroke_style(value.to_string());
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}
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JS::Value CanvasRenderingContext2DWrapper::line_width_getter(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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return JS::Value(impl->line_width());
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}
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void CanvasRenderingContext2DWrapper::line_width_setter(JS::Interpreter& interpreter, JS::Value value)
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{
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if (auto* impl = impl_from(interpreter))
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impl->set_line_width(value.to_double());
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}
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JS::Value CanvasRenderingContext2DWrapper::begin_path(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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impl->begin_path();
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return JS::js_undefined();
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}
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JS::Value CanvasRenderingContext2DWrapper::close_path(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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impl->close_path();
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return JS::js_undefined();
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}
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JS::Value CanvasRenderingContext2DWrapper::stroke(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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impl->stroke();
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return JS::js_undefined();
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}
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JS::Value CanvasRenderingContext2DWrapper::move_to(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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double x = interpreter.argument(0).to_double();
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double y = interpreter.argument(1).to_double();
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impl->move_to(x, y);
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return JS::js_undefined();
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}
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JS::Value CanvasRenderingContext2DWrapper::line_to(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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double x = interpreter.argument(0).to_double();
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double y = interpreter.argument(1).to_double();
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impl->line_to(x, y);
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return JS::js_undefined();
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}
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}
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}
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