W3Schools Canvas 演示 - W3Schools 中文教程

#myCanvas

变换

1,-1,0,1,0,0|1,-0.5,0,1,0,0|1,-0.2,0,1,0,0|1,-0.1,0,1,0,0|1,0,0,1,0,0|1,0.1,0,1,0,0|1,0.2,0,1,0,0|1,0.51,0,1,0,0

ctx.transform(#val); ctx.fillStyle='lightblue'; ctx.fillRect(20,20,250,100); ctx.fillStyle='red'; ctx.font='30px Arial'; ctx.fillText('Transform', 60,80);