mobilizon/js/src/components/Image/BlurhashImg.vue

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Vue
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<template>
<canvas ref="canvas" width="32" height="32" />
</template>
<script lang="ts">
import { decode } from "blurhash";
import { Component, Prop, Ref, Vue } from "vue-property-decorator";
@Component
export default class BlurhashImg extends Vue {
@Prop({ type: String, required: true }) hash!: string;
@Prop({ type: Number, default: 1 }) aspectRatio!: string;
@Ref("canvas") readonly canvas!: any;
mounted(): void {
try {
const pixels = decode(this.hash, 32, 32);
const imageData = new ImageData(pixels, 32, 32);
const context = this.canvas.getContext("2d");
context.putImageData(imageData, 0, 0);
} catch (e) {
console.error(e);
}
}
}
</script>
<style lang="scss" scoped>
canvas {
position: absolute;
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
width: 100%;
height: 100%;
}
</style>