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@ -1,34 +1,28 @@
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const Canvas = require(`canvas`);
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const Canvas = require(`canvas`);
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const GIFEncoder = require(`gifencoder`);
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const GIFEncoder = require(`gifencoder`);
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module.exports = class Blink {
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module.exports = class Blink {
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/**
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* Blink
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async getImage( ...images) {
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* @param {image} image1
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console.log(images)
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* @param {image} image2
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if (!images || images.length < 2) throw new Error(`You must provide an image as a first argument.`);
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* @param {number} timeout
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*/
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const GIF = new GIFEncoder(480, 480)
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async getImage(image1, image2, timeout = 1000) {
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if (!image1) throw new Error(`You must provide an image as a first argument.`);
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if (!image2) throw new Error(`You must provide an image as a second argument.`);
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if (isNaN(timeout)) throw new Error(`The timeout argument must be a number.`);
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const img = await Canvas.loadImage(image1);
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const base = await Canvas.loadImage(image2);
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const GIF = new GIFEncoder(480, 480);
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GIF.start();
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GIF.start();
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GIF.setRepeat(0);
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GIF.setRepeat(0);
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GIF.setDelay(timeout);
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GIF.setDelay(1000);
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GIF.setTransparent();
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GIF.setTransparent();
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const canvas = Canvas.createCanvas(480, 480);
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const canvas = Canvas.createCanvas(480, 480);
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const ctx = canvas.getContext(`2d`);
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ctx.clearRect(0, 0, 480, 480);
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for (const image of images) {
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ctx.drawImage(img, 0, 0, 480, 480);
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const base = await Canvas.loadImage(image);
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GIF.addFrame(ctx);
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const ctx2 = canvas.getContext(`2d`);
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const ctx2 = canvas.getContext(`2d`);
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ctx2.clearRect(0, 0, 480, 480);
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ctx2.clearRect(0, 0, 480, 480);
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ctx2.drawImage(base, 0, 0, 480, 480);
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ctx2.drawImage(base, 0, 0, 480, 480);
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GIF.addFrame(ctx2);
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GIF.addFrame(ctx2);
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}
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GIF.finish();
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GIF.finish();
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return GIF.out.getData();
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return GIF.out.getData();
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}
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}
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