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chartjs-plugin-watermark

1.0.3 • Public • Published

chartjs-plugin-watermark

A simple watermark plugin for Chart.js

Codepen Demo

Configuration

To configure the watermark plugin, add these options to your chart config:

{
    // container for watermark options
    watermark: {
        // the image you would like to show
        // alternatively, this can be of type "Image"
        image: "http://placehold.it/350x150",
        
        // x and y offsets of the image
        x: 50,
        y: 50,
        
        // width and height to resize the image to
        // image is not resized if these values are not set
        width: 108,
        height: 39,
        
        // opacity of the image, from 0 to 1 (default: 1)
        opacity: 0.1,
        
        // x-alignment of the image (default: "left")
        // valid values: "left", "middle", "right"
        alignX: "right",
        // y-alignment of the image (default: "top")
        // valid values: "top", "middle", "bottom"
        alignY: "bottom",
        
        // if true, aligns the watermark to the inside of the chart area (where the lines are)
        // (where the lines are)
        // if false, aligns the watermark to the inside of the canvas
        // see samples/alignToChartArea.html
        alignToChartArea: false,
        
        // determines whether the watermark is drawn on top of or behind the chart
        // valid values: "front", "back"
        position: "back",
    }
}

Installation

To use, download chartjs-plugin-watermark.js and reference it in your project.

Documentation

You can find documentation for the main plugin, Chart.js, at www.chartjs.org/docs.

There are some samples for this plugin in the samples folder.

License

chartjs-plugin-watermark.js is available under the MIT license.

Keywords

none

Install

npm i chartjs-plugin-watermark

DownloadsWeekly Downloads

107

Version

1.0.3

License

MIT

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