draw_rect

https://github.com/kyorohiro/hello_skyengine/tree/master/draw_rect

// following code is checked in 2016/01/13
import 'package:flutter/widgets.dart';
import 'package:flutter/painting.dart';
import 'package:flutter/rendering.dart';
void main() {
runApp(new DrawRectWidget());
}
class DrawRectWidget extends OneChildRenderObjectWidget {
RenderObject createRenderObject() {
return new DrawRectObject();
}
}
class DrawRectObject extends RenderBox {
void paint(PaintingContext context, Offset offset) {
Paint p = new Paint();
p.color = new Color.fromARGB(0xff, 0xff, 0xff, 0xff);
Rect r = new Rect.fromLTWH(50.0, 100.0, 150.0, 25.0);
context.canvas.drawRect(r, p);
}
}