js: DOM API. Part 1 (#12296)

vlib/jsdom/html_canvas_element.js.v

@@ -0,0 +1,40 @@
+module jsdom
+
+import jsdom.ctx
+
+pub struct HTMLCanvasElement {
+	HTMLElement
+}
+
+pub fn (cv HTMLCanvasElement) height() int {
+	ret := 0
+	#ret.val = cv.node.height;
+
+	return ret
+}
+
+pub fn (cv HTMLCanvasElement) width() int {
+	ret := 0
+	#ret.val = cv.node.width;
+
+	return ret
+}
+
+pub fn (cv HTMLCanvasElement) typ() NodeType {
+	return .element
+}
+
+pub fn (elem HTMLCanvasElement) add_event_listener(event string, cb EventCallback) {
+	#elem.node.addEventListener(event.str, function (event) { let e = jsdom__dispatch_event_target(this);
+	#let ev = jsdom__dispatch_event(event); ev.event = event;
+	#return cb(e,ev)
+	#});
+}
+
+pub fn (elem HTMLCanvasElement) get_context(ctx_ string) ctx.ContextResult {
+	mut res := ctx.NoneContext{}
+	#let ctx = elem.node.getContext(ctx_.str);
+	#if (ctx instanceof CanvasRenderingContext2D) { res = new jsdom__ctx__CanvasRenderingContext2D(ctx); res.ctx = ctx; }
+
+	return res
+}