forked from AkkomaGang/akkoma-fe
67 lines
1.3 KiB
Vue
67 lines
1.3 KiB
Vue
<template>
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<canvas
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ref="canvas"
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class="blurhash"
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/>
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</template>
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<script>
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import { decode } from "blurhash";
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export default {
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name: 'Blurhash',
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props: {
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hash: {
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type: String,
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required: true,
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},
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width: {
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type: Number,
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required: true,
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},
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height: {
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type: Number,
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required: true,
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},
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punch: {
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type: Number,
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default: null,
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},
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},
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data() {
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return {
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canvas: null,
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ctx: null,
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};
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},
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mounted() {
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this.canvas = this.$refs.canvas;
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this.ctx = this.canvas.getContext('2d');
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this.canvas.width = 1024;
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this.canvas.height = 512;
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this.draw();
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},
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methods: {
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draw() {
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const pixels = decode(this.hash, this.width, this.height, this.punch);
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const imageData = this.ctx.createImageData(this.width, this.height);
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imageData.data.set(pixels);
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this.ctx.putImageData(imageData, 0, 0);
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fetch("/static/blurhash-overlay.png")
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.then((response) => response.blob())
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.then((blob) => {
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const img = new Image();
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img.src = URL.createObjectURL(blob);
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img.onload = () => {
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this.ctx.drawImage(img, 0, 0, this.width, this.height);
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};
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});
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},
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}
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}
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</script>
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<style scoped>
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</style>
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