[推荐]实在受不了canvas的语法了！我要让他支持链式语法!
[推荐]实在受不了canvas的语法了！我要让他支持链式语法!<div class="postText"><div id="cnblogs_post_body">先来看一段正常的canvas画图语法：
<div class="cnblogs_code">ctx.arc(centerX,centerY,radius,0,PI*2,true);ctx.shadowColor = 'rgba(0,0,0,0.5)';ctx.shadowBlur = "10";ctx.fill();ctx.beginPath();ctx.shadowColor = 'rgba(0,0,0,0)';ctx.moveTo(centerX-radius,centerY);ctx.lineTo(centerX-radius,centerY - 50);ctx.lineTo(centerX+radius,centerY - 50);ctx.lineTo(centerX+radius,centerY);// ctx.lineTo(centerX-radius,centerY);ctx.fill();ctx.beginPath();ctx.fillStyle = 'rgba(255,0,0,1)';ctx.arc(centerX,centerY-50,radius,0,PI*2,true);ctx.fill();
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