mirror of
https://github.com/openseadragon/openseadragon.git
synced 2024-11-25 14:46:10 +03:00
288 lines
14 KiB
JavaScript
288 lines
14 KiB
JavaScript
/* global QUnit, $,testLog */
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( function() {
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var viewer;
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const drawerTypes = ['webgl','canvas'];
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drawerTypes.forEach(runDrawerTests);
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function runDrawerTests(drawerType){
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QUnit.module( 'Multi-Image-'+drawerType, {
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beforeEach: function() {
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$( '<div id="example"></div>' ).appendTo( "#qunit-fixture" );
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testLog.reset();
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viewer = OpenSeadragon( {
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id: 'example',
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prefixUrl: '/build/openseadragon/images/',
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springStiffness: 100, // Faster animation = faster tests
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drawer: drawerType
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});
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},
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afterEach: function() {
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if (viewer){
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viewer.destroy();
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}
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viewer = null;
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$("#example").remove();
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}
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} );
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// ----------
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QUnit.test( 'Multi-image operations', function(assert) {
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var done = assert.async();
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assert.expect( 24 );
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viewer.addHandler( "open", function( ) {
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assert.equal( 1, viewer.world.getItemCount( ),
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"One item should be present after opening." );
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var options = {
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tileSource: {
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type: 'legacy-image-pyramid',
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levels: [ {
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url: "data/A.png",
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width: 1000,
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height: 1000
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} ]
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}
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};
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viewer.addTiledImage( options );
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viewer.world.addHandler( "add-item", function addFirstItemHandler( event ) {
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viewer.world.removeHandler( "add-item", addFirstItemHandler );
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var item1 = event.item;
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assert.equal( viewer.world.getItemCount( ), 2,
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"2 items should be present after adding a item." );
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assert.equal( viewer.world.getIndexOfItem( item1 ), 1,
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"The first added item should have a index of 1" );
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assert.equal( viewer.world.getItemAt( 1 ), item1,
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"The item at index 1 should be the first added item." );
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viewer.addTiledImage( options );
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viewer.world.addHandler( "add-item", function addSecondItemHandler( event ) {
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viewer.world.removeHandler( "add-item", addSecondItemHandler );
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var item2 = event.item;
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assert.equal( viewer.world.getItemCount( ), 3,
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"3 items should be present after adding a second item." );
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assert.equal( viewer.world.getIndexOfItem( item2 ), 2,
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"If not specified, a item should be added with the highest index." );
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assert.equal( viewer.world.getItemAt( 2 ), item2,
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"The item at index 2 should be the second added item." );
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viewer.world.addHandler( "item-index-change",
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function itemIndexChangedHandler( event ) {
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viewer.world.removeHandler( "item-index-change",
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itemIndexChangedHandler );
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assert.equal( event.item, item2,
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"The item which changed index should be item2" );
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assert.equal( event.previousIndex, 2, "Previous index should be 2." );
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assert.equal( event.newIndex, 1, "New index should be 1." );
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});
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viewer.world.setItemIndex( item2, 1 );
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assert.equal( viewer.world.getIndexOfItem( item2 ), 1,
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"Item2 index should be 1 after setItemIndex." );
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assert.equal( viewer.world.getIndexOfItem( item1 ), 2,
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"Item1 index should be 2 after setItemIndex." );
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assert.equal( viewer.world.getItemAt( 1 ), item2,
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"The item at index 1 should be item2." );
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assert.equal( viewer.world.getItemAt( 2 ), item1,
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"The item at index 2 should be item1." );
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options.index = 2;
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options.tileSource.levels[0].url = "data/CCyan.png";
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viewer.addTiledImage( options );
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viewer.world.addHandler( "add-item", function addThirdItemHandler( event ) {
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viewer.world.removeHandler( "add-item", addThirdItemHandler );
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var item3 = event.item;
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assert.equal( viewer.world.getItemCount( ), 4,
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"4 items should be present after adding a third item." );
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assert.equal( viewer.world.getIndexOfItem( item3 ), 2,
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"Item 3 should be added with index 2." );
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assert.equal( viewer.world.getIndexOfItem( item2 ), 1,
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"Item 2 should stay at index 1." );
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options.index = 2;
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options.replace = true;
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viewer.addTiledImage( options );
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viewer.world.addHandler( "add-item", function replaceAddItemHandler( event ) {
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viewer.world.removeHandler( "add-item", replaceAddItemHandler );
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var item4 = event.item;
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assert.equal( viewer.world.getItemCount( ), 4,
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"4 items should still be present after replacing the second item." );
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assert.equal( viewer.world.getIndexOfItem( item4 ), 2,
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"Item 4 should be added with index 2." );
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assert.equal( viewer.world.getIndexOfItem( item3 ), -1,
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"Item 3 should be at index -1." );
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viewer.world.addHandler( "remove-item", function removeItemHandler( event ) {
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viewer.world.removeHandler( "remove-item", removeItemHandler );
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assert.equal( item2, event.item, "Removed item should be item2." );
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assert.equal( viewer.world.getIndexOfItem( item1 ), 2,
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"Item 1 should be at index 2." );
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assert.equal( viewer.world.getIndexOfItem( item2 ), -1,
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"Item 2 should be at index -1." );
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assert.equal( viewer.world.getIndexOfItem( item4 ), 1,
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"Item 4 should be at index 1." );
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done();
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});
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viewer.world.removeItem( item2 );
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});
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});
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});
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});
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});
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viewer.open( '/test/data/testpattern.dzi' );
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});
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// ----------
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QUnit.test( 'Sequences as items', function(assert) {
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var done = assert.async();
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var options = {
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tileSource: [{
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type: 'legacy-image-pyramid',
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levels: [{
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url: "data/A.png",
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width: 1000,
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height: 1000
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}]
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}, {
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type: 'legacy-image-pyramid',
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levels: [{
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url: "data/BBlue.png",
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width: 1000,
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height: 1000
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}]
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}]
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};
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viewer.addHandler( "open", function openHandler() {
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viewer.removeHandler( "open", openHandler );
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viewer.addHandler( "add-item-failed",
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function addItemFailedHandler( event ) {
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viewer.removeHandler( "add-item-failed", addItemFailedHandler );
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assert.equal( event.message, "[Viewer.addTiledImage] Sequences can not be added; add them one at a time instead." );
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assert.equal( event.options, options, "Item failed event should give the options." );
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done();
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} );
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viewer.addTiledImage( options );
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});
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viewer.open( '/test/data/testpattern.dzi' );
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});
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// ----------
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QUnit.test('items are added in order', function(assert) {
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var done = assert.async();
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viewer.addHandler('open', function(event) {
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assert.equal(viewer.world.getItemAt(0).getContentSize().y, 2000, 'first image is tall');
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assert.equal(viewer.world.getItemAt(0).getBounds().width, 4, 'first image has 4 width');
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assert.equal(viewer.world.getItemAt(1).getContentSize().x, 2000, 'second image is wide');
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assert.equal(viewer.world.getItemAt(1).getBounds().width, 2, 'second image has 2 width');
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done();
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});
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viewer.open([
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{
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tileSource: '/test/data/tall.dzi',
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width: 4
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}, {
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tileSource: '/test/data/wide.dzi',
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width: 2
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}
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]);
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});
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QUnit.test('Viewer.addSimpleImage', function(assert) {
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var done = assert.async();
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viewer.addHandler("open", function openHandler() {
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viewer.removeHandler("open", openHandler);
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viewer.world.addHandler('add-item', function itemAdded(event) {
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viewer.world.removeHandler('add-item', itemAdded);
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assert.equal(event.item.opacity, 0.5,
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'Opacity option should be set when using addSimpleImage');
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done();
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});
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viewer.addSimpleImage({
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url: '/test/data/A.png',
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opacity: 0.5
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});
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});
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viewer.open('/test/data/testpattern.dzi');
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});
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QUnit.test('Transparent image on top of others', function(assert) {
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var done = assert.async();
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viewer.open('/test/data/testpattern.dzi');
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var density = OpenSeadragon.pixelDensityRatio;
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viewer.addHandler('open', function() {
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var firstImage = viewer.world.getItemAt(0);
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firstImage.addHandler('fully-loaded-change', function() {
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viewer.addOnceHandler('update-viewport', function(){
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var imageData = viewer.drawer.context.getImageData(0, 0,
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500 * density, 500 * density);
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// Pixel 250,250 will be in the hole of the A
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var expectedVal = getPixelValue(imageData, 250 * density, 250 * density);
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assert.notEqual(expectedVal.r, 0, 'Red channel should not be 0');
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assert.notEqual(expectedVal.g, 0, 'Green channel should not be 0');
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assert.notEqual(expectedVal.b, 0, 'Blue channel should not be 0');
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assert.notEqual(expectedVal.a, 0, 'Alpha channel should not be 0');
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viewer.addSimpleImage({
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url: '/test/data/A.png',
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success: function() {
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var secondImage = viewer.world.getItemAt(1);
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secondImage.addHandler('fully-loaded-change', function() {
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viewer.addOnceHandler('update-viewport',function(){
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var imageData = viewer.drawer.context.getImageData(0, 0, 500 * density, 500 * density);
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var actualVal = getPixelValue(imageData, 250 * density, 250 * density);
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assert.equal(actualVal.r, expectedVal.r,
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'Red channel should not change in transparent part of the A');
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assert.equal(actualVal.g, expectedVal.g,
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'Green channel should not change in transparent part of the A');
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assert.equal(actualVal.b, expectedVal.b,
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'Blue channel should not change in transparent part of the A');
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assert.equal(actualVal.a, expectedVal.a,
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'Alpha channel should not change in transparent part of the A');
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var onAVal = getPixelValue(imageData, 333 * density, 250 * density);
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assert.equal(onAVal.r, 0, 'Red channel should be null on the A');
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assert.equal(onAVal.g, 0, 'Green channel should be null on the A');
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assert.equal(onAVal.b, 0, 'Blue channel should be null on the A');
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assert.equal(onAVal.a, 255, 'Alpha channel should be 255 on the A');
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done();
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});
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// trigger a redraw so the event fires
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firstImage.redraw();
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});
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}
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});
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});
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});
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});
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function getPixelValue(imageData, x, y) {
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var offset = 4 * (y * imageData.width + x);
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return {
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r: imageData.data[offset],
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g: imageData.data[offset + 1],
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b: imageData.data[offset + 2],
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a: imageData.data[offset + 3]
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};
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}
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});
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}
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})();
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