#myCanvas
变换
1,0,-1,1,0,0|1,0,-0.5,1,0,0|1,0,-0.2,1,0,0|1,0,-0.1,1,0,0|1,0,0,1,0,0|1,0,0.1,1,0,0|1,0,0.2,1,0,0|1,0,0.5,1,0,0|1,0,1,1,0,0
ctx.transform(#val); ctx.fillStyle='lightblue'; ctx.fillRect(20,20,250,100); ctx.fillStyle='red'; ctx.font='30px Arial'; ctx.fillText('Transform', 60,80);