GCanvas/node/examples/imagejpeg.js
2020-02-25 19:46:28 +08:00

24 lines
670 B
JavaScript

const { createCanvas, Image } = require('bindings')('canvas');
const canvas = createCanvas(400, 400);
const ctx = canvas.getContext('2d');
const img = new Image()
const img2 = new Image()
img.onload = () => {
ctx.fillStyle = "#000000";
ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
ctx.drawImage(img, 0, 0, 100, 100);
img2.onerror = err => {
console.log(err)
}
img2.onload = () => {
ctx.drawImage(img2, 150, 150, 100, 100);
canvas.createPNG("imagejpeg");
}
img2.src = "http://192.168.2.101:3000/demo1.jpg"
}
img.onerror = err => {
console.log(err)
}
img.src = 'http://192.168.2.101:3000/demo1.jpg'