122 lines
3.3 KiB
JavaScript
122 lines
3.3 KiB
JavaScript
import IIIFResource from './IIIFResource.js';
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/**
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* @todo Move to common.js?!
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*/
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const splitter = {
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HIROXNIR: splitHIROXNIR,
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NIR: splitNIR,
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DN: splitDNO,
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DO: splitDNO,
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HSI: splitHSI
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};
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function splitHIROXNIR(filename) {
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let splitFilename = filename.split('_');
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const papyrusNum = splitFilename[0].split('-')[1];
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const baseFolder = `PHerc_${papyrusNum}`;
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const subfolder = `PHerc_${papyrusNum}_HIROXNIR`;
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return {baseFolder, subfolder};
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}
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function splitNIR(filename) {
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let splitFilename = filename.split('_');
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const papyrusNum = splitFilename[0].split('-')[2];
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const baseFolder = `PHerc_${papyrusNum}`;
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const subfolder = `PHerc_${papyrusNum}_${splitFilename[2].split('-')[0]}`;
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return {baseFolder, subfolder};
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}
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/**
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* @todo Redundant...
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*/
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function splitHSI(filename) {
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let splitFilename = filename.split('_');
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const papyrusNumb = splitFilename[0].split('-')[2];
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const baseFolder = `PHerc_${papyrusNumb}`;
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const subfolder = `PHerc_${papyrusNumb}_${splitFilename[2]}`;
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return {baseFolder, subfolder};
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}
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function splitDNO(filename) {
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let splitFilename = filename.split('_');
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const baseFolder = splitFilename.slice(0,2).join('_');
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const subfolder = splitFilename.slice(0,3).join('_');
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return {baseFolder, subfolder};
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}
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/**
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* @implements IIIFResource
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*/
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class Image {
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#IIIF_API_VERSION = process.env.IIIF_API_VERSION;
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id = '';
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#context = `https://iiif.io/api/presentation/${this.#IIIF_API_VERSION}/context.json`;
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#type = 'oa:Annotation';
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#motivation = 'sc:painting';
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#resType = 'dctypes:Image';
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#format = 'image/jpeg';
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height = 0;
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width = 0;
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service = {
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"@context" : this.#context,
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"@id" : '',
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profile : `https://iiif.io/api/image/${this.#IIIF_API_VERSION}/level2.json`,
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};
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canvasId = '';
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/**
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*
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* @param {string} canvasId The canvas IIIF id
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*/
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constructor(canvasId) {
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this.canvasId = canvasId;
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}
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/**
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* @param {number} height
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* @param {number} width
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*/
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setSize(height, width) {
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this.height = height;
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this.width = width;
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}
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/**
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* Generate IIIF id pointing to image
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* server endpoint for this image
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* @param {string} serviceURL The image server base URL
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* @param {string} filename The image's complete filename
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*/
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generateID(serviceURL, filename) {
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let splitFn = splitter[/((HIROX)?NIR|DO|DN|HSI)/.exec(filename)[0]];
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const {baseFolder, subfolder} = splitFn(filename);
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this.id = `${serviceURL}/${this.#IIIF_API_VERSION}/${baseFolder}%2F${subfolder}%2F${filename}/full/max/0/default.jpg`;
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this.service['@id'] = this.id.replace(/\/full.*$/,'');
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}
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/**
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* Object representation of this image
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*
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* @returns {Object}
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*/
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toObject() {
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return {
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"@context" : this.#context,
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"@type" : this.#type,
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motivation : this.#motivation,
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resource : {
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"@id" : this.id,
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"@type" : this.#resType,
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format: this.#format,
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service : this.service,
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height: this.height,
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width: this.width,
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},
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on : this.canvasId
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}
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}
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}
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export default Image;
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