1.0.2 • Published 1 year ago

watermark-image-ts v1.0.2

Weekly downloads
-
License
ISC
Repository
github
Last release
1 year ago

图片生成水印

add a watermark in your image and set watermark text style also you can save image with watermark native

Installation

  npm install  watermark-image-ts --save

usage

  • We Can use it in html
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>example</title>
    <script src="../dist/main.js"></script>
</head>

<body>
    <div>
        添加水印
    </div>
    <div onclick="down()">
        下载
    </div>
    <canvas id="canvas"></canvas>
</body>
<script>
    const obj = new Watermark(document.querySelector('#canvas'))
    function down(){
        console.log(obj)
        obj.downFile();   
    }
    obj.draw({
        img: './demo.png',
        text: "123",
        margin: 40,
        style: {
            rotate: -30,
            fillStyle:"rgba(0,0,0,.05)"
        }
    })
</script>

</html>
  • We Can use it in React

    import { useEffect, useRef } from "react";
    import "./App.css";
    import demo from "./assets/demo.jpeg";
    import Watermark from "watermark-image-ts";
    function App() {
      const ref = useRef<any>({
        watermark: "",
      });
      const canvasRef = useRef<HTMLCanvasElement>(null);
      useEffect(() => {
        console.log(Watermark);
        ref.current.watermark = new Watermark(canvasRef.current!);
        ref.current.watermark.draw({
          img: demo,
          text: "demo--demo",
          margin: 40,
          style: {
            rotate: -30,
            fillStyle: "rgba(0,0,0,.05)",
          },
        });
      }, []);
      const down = () => {
        console.log("下载");
        ref.current.watermark.downFile();
      };
      return (
        <div className="App">
          <div
            onClick={() => {
              down();
            }}
          >
            下载
          </div>
          <canvas ref={canvasRef}></canvas>
          <img src={demo} />
        </div>
      );
    }
    
    export default App;

Demo online

https://codesandbox.io/p/sandbox/elastic-galileo-hvlqcd?file=%2Fpackage.json&selection=%5B%7B%22endColumn%22%3A30%2C%22endLineNumber%22%3A9%2C%22startColumn%22%3A30%2C%22startLineNumber%22%3A9%7D%5D

1.0.2

1 year ago

1.0.1

1 year ago

1.0.0

1 year ago