#myCanvas
轉換
1,0,0,1,0,-100|1,0,0,1,0,-50|1,0,0,1,0,-20|1,0,0,1,0,-10|1,0,0,1,0,0|1,0,0,1,0,10|1,0,0,1,0,20|1,0,0,1,0,50
ctx.transform(#val); ctx.fillStyle='lightblue'; ctx.fillRect(20,20,250,100); ctx.fillStyle='red'; ctx.font='30px Arial'; ctx.fillText('Transform', 60,80);