image-in-browser/lib/exif/ifd-value/ifd-value.js

Package for encoding / decoding images, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)

import { Rational } from '../../common/rational.js';
import { LibError } from '../../error/lib-error.js';
import { getIfdValueTypeSize, getIfdValueTypeString, IfdValueType, } from '../ifd-value-type.js';
export class IfdValue {
    get type() {
        return IfdValueType.none;
    }
    get length() {
        return 0;
    }
    get dataSize() {
        return getIfdValueTypeSize(this.type, this.length);
    }
    get typeString() {
        return getIfdValueTypeString(this.type);
    }
    toBool(_index) {
        return false;
    }
    toInt(_index) {
        return 0;
    }
    toDouble(_index) {
        return 0;
    }
    toData() {
        return new Uint8Array();
    }
    toRational(_index) {
        return new Rational(0, 1);
    }
    write(_out) { }
    setBool(_v, _index) { }
    setInt(_v, _index) { }
    setDouble(_v, _index) { }
    setRational(_numerator, _denomitator, _index) { }
    setString(_v) { }
    equals(_other) {
        return false;
    }
    clone() {
        throw new LibError('Cannot be copied.');
    }
    toString() {
        return `${this.constructor.name}`;
    }
}
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