mirror of
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258 lines
9.7 KiB
JavaScript
258 lines
9.7 KiB
JavaScript
//imports
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import { ThreeJSDrawer } from './threejsdrawer.js';
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import { default as Stats } from "https://cdnjs.cloudflare.com/ajax/libs/stats.js/17/Stats.js";
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//globals
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// const canvas = document.querySelector('#three-canvas');
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const sources = {
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"rainbow":"../data/testpattern.dzi",
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"leaves":"../data/iiif_2_0_sizes/info.json",
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"bblue":{
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type:'image',
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url: "../data/BBlue.png",
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},
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"duomo":"https://openseadragon.github.io/example-images/duomo/duomo.dzi",
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}
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const labels = {
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rainbow: 'Rainbow Grid',
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leaves: 'Leaves',
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bblue: 'Blue B',
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duomo: 'Duomo',
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}
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var stats = null;
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// var stats = new Stats();
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// stats.showPanel( 1 ); // 0: fps, 1: ms, 2: mb, 3+: custom
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// document.body.appendChild( stats.dom );
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//Double viewer setup for comparison - CanvasDrawer and ThreeJSDrawer
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var viewer = window.viewer = OpenSeadragon({
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id: "contentDiv",
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prefixUrl: "../../build/openseadragon/images/",
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// minZoomImageRatio:0.8,
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// maxZoomPixelRatio:0.5,
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minZoomImageRatio:0.01,
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maxZoomPixelRatio:100,
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smoothTileEdgesMinZoom:1.1,
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crossOriginPolicy: 'Anonymous',
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ajaxWithCredentials: false,
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useCanvas:true,
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});
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// Mirror the interactive viewer with CanvasDrawer onto a separate canvas using ThreeJSDrawer
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let threeRenderer = window.threeRenderer = new ThreeJSDrawer({viewer, viewport: viewer.viewport, element:viewer.element, stats: stats});
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//make the test canvas mirror all changes to the viewer canvas
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let viewerCanvas = viewer.drawer.canvas;
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let canvas = threeRenderer.canvas;
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let canvasContainer = $('#three-canvas-container').append(canvas);
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viewer.addHandler("resize", function(){
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canvasContainer[0].style.width = viewerCanvas.clientWidth+'px';
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canvasContainer[0].style.height = viewerCanvas.clientHeight+'px';
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// canvas.width = viewerCanvas.width;
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// canvas.height = viewerCanvas.height;
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});
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// Single viewer showing how to use plugin Drawer via configuration
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// Also shows sequence mode
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var viewer2 = window.viewer2 = OpenSeadragon({
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id: "three-viewer",
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prefixUrl: "../../build/openseadragon/images/",
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minZoomImageRatio:0.01,
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customDrawer: ThreeJSDrawer,
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tileSources: [sources['leaves'], sources['rainbow'], sources['duomo']],
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sequenceMode: true,
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imageSmoothingEnabled: false,
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crossOriginPolicy: 'Anonymous',
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ajaxWithCredentials: false
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});
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$('#three-viewer').resizable(true);
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$('#contentDiv').resizable(true);
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$('#image-picker').sortable({
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update: function(event, ui){
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let thisItem = ui.item.find('.toggle').data('item');
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let items = $('#image-picker input.toggle:checked').toArray().map(item=>$(item).data('item'));
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let newIndex = items.indexOf(thisItem);
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if(thisItem){
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viewer.world.setItemIndex(thisItem, newIndex);
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}
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}
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});
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Object.keys(sources).forEach((key, index)=>{
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let element = makeImagePickerElement(key, labels[key])
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$('#image-picker').append(element);
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if(index === 0){
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element.find('.toggle').prop('checked',true);
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}
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})
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$('#image-picker input.toggle').on('change',function(){
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let data = $(this).data();
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if(this.checked){
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addTileSource(data.image, this);
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} else {
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if(data.item){
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viewer.world.removeItem(data.item);
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$(this).data('item',null);
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}
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}
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}).trigger('change');
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$('#image-picker input:not(.toggle)').on('change',function(){
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let data = $(this).data();
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let value = $(this).val();
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let tiledImage = $(`#image-picker input.toggle[data-image=${data.image}]`).data('item');
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if(tiledImage){
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//item = tiledImage
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let field = data.field;
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if(field == 'x'){
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let bounds = tiledImage.getBoundsNoRotate();
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let position = new OpenSeadragon.Point(Number(value), bounds.y);
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tiledImage.setPosition(position);
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} else if ( field == 'y'){
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let bounds = tiledImage.getBoundsNoRotate();
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let position = new OpenSeadragon.Point(bounds.x, Number(value));
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tiledImage.setPosition(position);
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} else if (field == 'width'){
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tiledImage.setWidth(Number(value));
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} else if (field == 'degrees'){
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tiledImage.setRotation(Number(value));
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} else if (field == 'opacity'){
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tiledImage.setOpacity(Number(value));
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} else if (field == 'flipped'){
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tiledImage.setFlip($(this).prop('checked'));
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} else if (field == 'cropped'){
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if( $(this).prop('checked') ){
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let croppingPolygons = [ [{x:200, y:200}, {x:800, y:200}, {x:500, y:800}] ];
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tiledImage.setCroppingPolygons(croppingPolygons);
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} else {
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tiledImage.resetCroppingPolygons();
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}
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} else if (field == 'clipped'){
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if( $(this).prop('checked') ){
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let clipRect = new OpenSeadragon.Rect(2000, 0, 3000, 4000);
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tiledImage.setClip(clipRect);
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} else {
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tiledImage.setClip(null);
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}
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}
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else if (field == 'debug'){
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if( $(this).prop('checked') ){
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tiledImage.debugMode = true;
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} else {
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tiledImage.debugMode = false;
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}
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}
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}
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});
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$('.image-options select[data-field=composite]').append(getCompositeOperationOptions()).on('change',function(){
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let data = $(this).data();
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let tiledImage = $(`#image-picker input.toggle[data-image=${data.image}]`).data('item');
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if(tiledImage){
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tiledImage.setCompositeOperation(this.value == 'null' ? null : this.value);
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}
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}).trigger('change');
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$('.image-options select[data-field=wrapping]').append(getWrappingOptions()).on('change',function(){
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let data = $(this).data();
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let tiledImage = $(`#image-picker input.toggle[data-image=${data.image}]`).data('item');
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if(tiledImage){
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switch(this.value){
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case "None": tiledImage.wrapHorizontal = tiledImage.wrapVertical = false; break;
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case "Horizontal": tiledImage.wrapHorizontal = true; tiledImage.wrapVertical = false; break;
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case "Vertical": tiledImage.wrapHorizontal = false; tiledImage.wrapVertical = true; break;
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case "Both": tiledImage.wrapHorizontal = tiledImage.wrapVertical = true; break;
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}
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tiledImage.viewer.raiseEvent('opacity-change');//trigger a redraw for the webgl renderer. TODO: fix this hack.
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}
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}).trigger('change');
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function getWrappingOptions(){
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let opts = ['None', 'Horizontal', 'Vertical', 'Both'];
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let elements = opts.map((opt, i)=>{
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let el = $('<option>',{value:opt}).text(opt);
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if(i===0){
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el.attr('selected',true);
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}
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return el[0];
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// $('.image-options select').append(el);
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});
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return $(elements);
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}
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function getCompositeOperationOptions(){
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let opts = [null,'source-over','source-in','source-out','source-atop',
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'destination-over','destination-in','destination-out','destination-atop',
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'lighten','darken','copy','xor','multiply','screen','overlay','color-dodge',
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'color-burn','hard-light','soft-light','difference','exclusion',
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'hue','saturation','color','luminosity'];
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let elements = opts.map((opt, i)=>{
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let el = $('<option>',{value:opt}).text(opt);
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if(i===0){
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el.attr('selected',true);
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}
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return el[0];
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// $('.image-options select').append(el);
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});
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return $(elements);
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}
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function addTileSource(image, checkbox){
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let options = $(`#image-picker input[data-image=${image}][type=number]`).toArray().reduce((acc, input)=>{
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let field = $(input).data('field');
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if(field){
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acc[field] = Number(input.value);
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}
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return acc;
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}, {});
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options.flipped = $(`#image-picker input[data-image=${image}][data-type=flipped]`).prop('checked');
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let items = $('#image-picker input.toggle:checked').toArray();
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let insertionIndex = items.indexOf(checkbox);
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let tileSource = sources[image];
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if(tileSource){
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viewer.addTiledImage({tileSource: tileSource, ...options, index: insertionIndex});
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viewer.world.addOnceHandler('add-item',function(ev){
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let item = ev.item;
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$(checkbox).data('item',item);
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item.source.hasTransparency = ()=>true; //simulate image with transparency, to show seams in default renderer
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});
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}
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}
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function makeImagePickerElement(key, label){
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return $(`<div class="image-options">
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<span class="ui-icon ui-icon-arrowthick-2-n-s"></span>
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<label><input type="checkbox" data-image="" class="toggle"> __title__</label>
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<div class="option-grid">
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<label>X: <input type="number" value="0" data-image="" data-field="x"> </label>
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<label>Y: <input type="number" value="0" data-image="" data-field="y"> </label>
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<label>Width: <input type="number" value="1" data-image="" data-field="width" min="0"> </label>
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<label>Degrees: <input type="number" value="0" data-image="" data-field="degrees"> </label>
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<label>Opacity: <input type="number" value="1" data-image="" data-field="opacity" min="0" max="1" step="0.2"> </label>
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<label>Flipped: <input type="checkbox" data-image="" data-field="flipped"></label>
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<label>Cropped: <input type="checkbox" data-image="" data-field="cropped"></label>
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<label>Debug: <input type="checkbox" data-image="" data-field="debug"></label>
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<label>Composite: <select data-image="" data-field="composite"></select></label>
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<label>Wrapping: <select data-image="" data-field="wrapping"></select></label>
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</div>
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</div>`.replaceAll('data-image=""', `data-image="${key}"`).replace('__title__', label));
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}
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