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 |