javascript-binary-converter/build/esm/converters/ImageConverter.js

A utility package to quickly handle and convert various Javascript binary objects

import { bytesToIntegers, typedArrayToBytes } from "../utils/binary";
import { isNode } from "../utils/crossPlatform";
import { imageToBlob, imageToCanvas } from "../utils/image";
export default class ImageConverter {
    constructor(original) {
        this.original = original;
        if (isNode) {
            throw new Error('ImageConvertor is available only in the browser');
        }
    }
    async toBlob(config) {
        return imageToBlob(this.original, { height: config?.height, width: config?.width });
    }
    async toArrayBuffer(config) {
        const blob = await this.toBlob(config);
        return blob.arrayBuffer();
    }
    async toUint8Array() {
        return new Uint8Array(await this.toArrayBuffer()); //
    }
    async toInt8Array() {
        return new Int8Array(await this.toArrayBuffer());
    }
    /**
     * Returns an array of number-like strings, each representing 8 bits.
     */
    async toBytes() {
        const uint8 = await this.toUint8Array();
        const bytes = typedArrayToBytes(uint8);
        return bytes;
    }
    async toDecimalBytes() {
        const bytes = await this.toBytes();
        return bytesToIntegers(bytes);
    }
    toCanvas(config) {
        const w = config?.width || this.original.width;
        const h = config?.height || this.original.height;
        const canvas = imageToCanvas(this.original, { width: w, height: h });
        return canvas;
    }
}
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