【www.bbyears.com--图像处理】
代码如下
#canvas{
border: 1px solid palevioletred;
}
<script>
//获取到canvas元素
var canvas = document.getElementById('canvas');
//获取canvas中的画图环境
var context = canvas.getContext('2d');
//创建Image对象
var img = new Image();
//alert(img);
//引入图片URL
img.src = "./image/huiji.png";
window.onload = function (){
//创建填充规则 .createPattern(图像对象,'规则'); 第二参数:repeat,no-repeat,repeat-x,repeat-y;
var pattern = context.createPattern(img,'no-repeat');
//设置填充属性
context.fillStyle = pattern;
context.fillRect(10,10,canvas.width,canvas.height);
}
</script>