A library for watermasking web pages by canvas.
Screenshot
Install
npm
npm install watermask-lib --save
Usage
font
new WaterMask({
font: 'Baidu百度'
})
image
new WaterMask({
image: 'xxx.png'
})
Full options
new WaterMask({
font: "",
fontType: 'Microsoft YaHei',
size: 24,
container: container,
color: "#333",
alpha: 0.2,
rotate: 340,
scale: 1,
startX: 20,
startY: 20,
rows: 10,
cols: 10,
xGap: 200,
yGap: 100,
image: '',
repeat: true,
checkDom: true,
checkFrequency: 60 * 1000
})
Options
Key | Type | Default | Description |
---|---|---|---|
container | object | document.querySelector("#watermask") | |
font | string | Render font, required if image property is undefined | |
fontType | string | Microsoft YaHei | |
size | number | 24 | Fontsize |
image | string | Render image, required if font property is undefined. Priorit to font property | |
color | string | #333 | |
alpha | number | 0.2 | Global canvas transparency |
rotate | number | 340 | deg |
scale | number | 1 | |
repeat | boolean | true | Font or image will be repeat in x and y axis |
startX | number | 20 | px, will be used only when repeat property is true |
startY | number | 20 | px, will be used only when repeat property is true |
rows | number | 10 | |
cols | number | 10 | |
xGap | number | 200 | px, will be used only when repeat property is true |
yGap | number | 100 | px, will be used only when repeat property is true |
checkDom | boolean | true | check watermask canvas is existed |
checkFrequency | number | 60 * 1000 | check frequency ms |