html5教程实现Photoshop渐变色效果,大家参考使用吧
复制代码代码如下: <!DOCTYPE html><head> <meta charset=utf-8> <title>HTML5画线、圆、矩形</title> <script src="<a href="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script">http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script</a>> </head> <script> $(document).ready(function(){ var c=document.getElementById("drawbox"); var draw=c.getContext("2d"); //获取2d内容的引用,调用绘图API</p>
<p>//指定渐变区块 var grd=draw.createLinearGradient(50,50,200,50); //坐标,长宽 grd.addColorStop(0,"black"); //起点颜色 grd.addColorStop(1,"green"); //终点颜色</p>
<p>draw.fillStyle=grd; //设为填充样式 draw.fillRect(50,50,200,50); //填充进矩形内 }) </script> </body> <canvas id="drawbox" width="500" height="500"></canvas> </body> </html>
效果图:
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