alimask 是一个使用 canvas 生成类似阿里巴巴内部网站水印图片的 JavaScript 库。Online demo here.
npm install alimask
Then import it.
<script type="text/javascript" src="dist/alimask.min.js"></script> // or var alimask = require('alimask'); // or import alimask from 'alimask';
Then use alimask(text, options) API.
alimask('王小为(小为) 888888'); alimask('王小为(小为) 888888', { color: '#f6dcd7' }); alimask('小泥巴(小美) 888888', { alpha: 0.5 });
The unique API is: alimask(text, options).
text (String): required, the text in the watermark image.
options (Object): optional, the options of watermark, with keys below:
width (Number): default is 250.
250
height (Number): default is 80.
80
color (String): the text color, default is #ebebeb.
#ebebeb
alpha (Float): the text alpha(0 ~ 1), default is 0.8.
0.8
font (String): the text font style, default is 10px Arial.
10px Arial
The api return the base64 string of watermark image which can be used in css background / img tag.
npm install npm run build npm test
npm install
npm run build
npm test