@abasb75/jpeg-lossless-decoder/data-stream.js

A JavaScript JPEG Lossless decoder.

var DataStream = /** @class */ (function () {
    function DataStream(data, offset, length) {
        Object.defineProperty(this, "buffer", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        Object.defineProperty(this, "index", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        this.buffer = new Uint8Array(data, offset, length);
        this.index = 0;
    }
    Object.defineProperty(DataStream.prototype, "get16", {
        enumerable: false,
        configurable: true,
        writable: true,
        value: function () {
            // var value = this.buffer.getUint16(this.index, false);
            var value = (this.buffer[this.index] << 8) + this.buffer[this.index + 1]; // DataView is big-endian by default
            this.index += 2;
            return value;
        }
    });
    Object.defineProperty(DataStream.prototype, "get8", {
        enumerable: false,
        configurable: true,
        writable: true,
        value: function () {
            // var value = this.buffer.getUint8(this.index);
            var value = this.buffer[this.index];
            this.index += 1;
            return value;
        }
    });
    return DataStream;
}());
export { DataStream };