mirror of
https://github.com/openseadragon/openseadragon.git
synced 2024-11-24 06:06:09 +03:00
366 lines
13 KiB
JavaScript
366 lines
13 KiB
JavaScript
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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const drawers = {
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canvas: "Context2d drawer (default in OSD <= 4.1.0)",
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webgl: "New WebGL drawer"
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}
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const viewportMargins = {
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left: 25,
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top: 25,
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right: 25,
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bottom: 25,
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};
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//Support drawer type from the url
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const url = new URL(window.location.href);
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const drawer1 = url.searchParams.get("left") || 'canvas';
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const drawer2 = url.searchParams.get("right") || 'webgl';
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$("#title-w1").html(drawers[drawer1]);
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$("#title-w2").html(drawers[drawer2]);
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//Double viewer setup for comparison - CanvasDrawer and WebGLDrawer
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// viewer1: canvas drawer
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let viewer1 = window.viewer1 = OpenSeadragon({
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id: "canvasdrawer",
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prefixUrl: "../../build/openseadragon/images/",
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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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// maxImageCacheCount: 30,
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drawer:drawer1,
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blendTime:0,
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showNavigator:true,
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viewportMargins,
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});
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// viewer2: webgl drawer
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let viewer2 = window.viewer2 = OpenSeadragon({
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id: "webgl",
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prefixUrl: "../../build/openseadragon/images/",
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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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// maxImageCacheCount: 30,
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drawer:drawer2,
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blendTime:0,
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showNavigator:true,
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viewportMargins,
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});
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// // viewer3: html drawer, unused
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var viewer3 = window.viewer3 = OpenSeadragon({
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id: "htmldrawer",
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drawer:'html',
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blendTime:2,
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prefixUrl: "../../build/openseadragon/images/",
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minZoomImageRatio:0.01,
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customDrawer: OpenSeadragon.HTMLDrawer,
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tileSources: [sources['leaves'], sources['rainbow'], sources['duomo']],
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sequenceMode: true,
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crossOriginPolicy: 'Anonymous',
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ajaxWithCredentials: false
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});
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// Sync navigation of viewer1 and viewer 2
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var viewer1Leading = false;
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var viewer2Leading = false;
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var viewer1Handler = function() {
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if (viewer2Leading) {
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return;
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}
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viewer1Leading = true;
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viewer2.viewport.zoomTo(viewer1.viewport.getZoom());
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viewer2.viewport.panTo(viewer1.viewport.getCenter());
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viewer2.viewport.rotateTo(viewer1.viewport.getRotation());
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viewer2.viewport.setFlip(viewer1.viewport.flipped);
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viewer1Leading = false;
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};
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var viewer2Handler = function() {
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if (viewer1Leading) {
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return;
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}
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viewer2Leading = true;
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viewer1.viewport.zoomTo(viewer2.viewport.getZoom());
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viewer1.viewport.panTo(viewer2.viewport.getCenter());
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viewer1.viewport.rotateTo(viewer2.viewport.getRotation());
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viewer1.viewport.setFlip(viewer1.viewport.flipped);
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viewer2Leading = false;
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};
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viewer1.addHandler('zoom', viewer1Handler);
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viewer2.addHandler('zoom', viewer2Handler);
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viewer1.addHandler('pan', viewer1Handler);
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viewer2.addHandler('pan', viewer2Handler);
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viewer1.addHandler('rotate', viewer1Handler);
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viewer2.addHandler('rotate', viewer2Handler);
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viewer1.addHandler('flip', viewer1Handler);
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viewer2.addHandler('flip', viewer2Handler);
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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('item1');
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let items = $('#image-picker input.toggle:checked').toArray().map(item=>$(item).data('item1'));
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let newIndex = items.indexOf(thisItem);
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if(thisItem){
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viewer1.world.setItemIndex(thisItem, newIndex);
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}
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thisItem = ui.item.find('.toggle').data('item2');
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items = $('#image-picker input.toggle:checked').toArray().map(item=>$(item).data('item2'));
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newIndex = items.indexOf(thisItem);
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if(thisItem){
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viewer2.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').append(makeComparisonSwitcher());
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$('#image-picker input.toggle').on('change',function(){
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let data = $(this).data();
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if(this.checked){
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addTileSource(viewer1, data.image, this);
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addTileSource(viewer2, data.image, this);
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} else {
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if(data.item1){
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viewer1.world.removeItem(data.item1);
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viewer2.world.removeItem(data.item2);
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$(this).data({item1: null, item2: 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 tiledImage1 = $(`#image-picker input.toggle[data-image=${data.image}]`).data('item1');
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let tiledImage2 = $(`#image-picker input.toggle[data-image=${data.image}]`).data('item2');
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updateTiledImage(tiledImage1, data, value, this);
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updateTiledImage(tiledImage2, data, value, this);
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});
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function updateTiledImage(tiledImage, data, value, item){
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let field = data.field;
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if(tiledImage){
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//item = tiledImage
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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($(item).prop('checked'));
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} else if (field == 'cropped'){
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if( $(item).prop('checked') ){
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let scale = tiledImage.source.width;
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let croppingPolygons = [ [{x:0.2*scale, y:0.2*scale}, {x:0.8*scale, y:0.2*scale}, {x:0.5*scale, y:0.8*scale}] ];
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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( $(item).prop('checked') ){
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let scale = tiledImage.source.width;
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let clipRect = new OpenSeadragon.Rect(0.1*scale, 0.2*scale, 0.6*scale, 0.4*scale);
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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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} else if (field == 'debug'){
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if( $(item).prop('checked') ){
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tiledImage.debugMode = true;
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} else {
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tiledImage.debugMode = false;
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}
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}
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} else {
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//viewer-level option
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}
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}
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$('.image-options select[data-field=composite]').append(getCompositeOperationOptions()).on('change',function(){
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let data = $(this).data();
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let tiledImage1 = $(`#image-picker input.toggle[data-image=${data.image}]`).data('item1');
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if(tiledImage1){
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tiledImage1.setCompositeOperation(this.value == 'null' ? null : this.value);
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}
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let tiledImage2 = $(`#image-picker input.toggle[data-image=${data.image}]`).data('item2');
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if(tiledImage2){
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tiledImage2.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('item1');
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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.redraw();//trigger a redraw for the webgl renderer.
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}
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tiledImage = $(`#image-picker input.toggle[data-image=${data.image}]`).data('item2');
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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.redraw();//trigger a redraw for the webgl renderer.
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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(viewer, 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 = $('#image-picker input.toggle:checked').toArray();
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let insertionIndex = items.indexOf(checkbox);
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let tileSource = sources[image];
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if(tileSource){
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viewer&&viewer.addTiledImage({tileSource: tileSource, ...options, index: insertionIndex});
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viewer&&viewer.world.addOnceHandler('add-item',function(ev){
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let item = ev.item;
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let field = viewer === viewer1 ? 'item1' : 'item2';
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$(checkbox).data(field,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 getAvailableDrawerSelect(name, selectedDrawer) {
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return `
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<select name="${name}">
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${Object.entries(drawers).map(([k, v]) => {
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const selected = selectedDrawer === k ? "selected" : "";
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return `<option value="${k}" ${selected}>${v}</option>`;
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}).join("\n")}
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</select>`;
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}
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function makeComparisonSwitcher() {
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const left = getAvailableDrawerSelect("left", drawer1),
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right = getAvailableDrawerSelect("right", drawer2);
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return `
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<div>
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Note: you can run the comparison with desired drawers like this: drawercomparison.html?left=[type]&right=[type]
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<form method="get">
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${left}
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${right}
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<button>Submit</button>
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</form>
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</div>`;
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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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<span></span>
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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>Clipped: <input type="checkbox" data-image="" data-field="clipped"></label>
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<label>Chess Tile Opacity: <input type="checkbox" data-image="" data-field="tile-level-opecity"></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>Wrap: <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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