drawLine();
drawCircle(100,100,40);
drawSolidCircle(100,100,10);
drawCircle(300,100,40);
drawSolidCircle(300,100,10);
drawRect(180,140,40,40);
drawRoundedRect(140,200,120,50,20);
drawRectFillWithGradient(100,300,200,200);
drawText("好丑的赶脚",90,350,"right",true);
drawText("就是这么丑",300,350,"left",false);