mirror of
https://github.com/openseadragon/openseadragon.git
synced 2024-11-22 13:16:10 +03:00
Major overhaul to Viewer.open()
This commit is contained in:
Ian Gilman
parent
3810916577
commit
95836a6ad1
@ -271,7 +271,9 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
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var oldBounds = this.viewport.getBounds();
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var oldCenter = this.viewport.getCenter();
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this.viewport.resize( containerSize, true );
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var imageHeight = 1 / this.source.aspectRatio;
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var worldBounds = this.world.getHomeBounds();
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var aspectRatio = worldBounds.width / worldBounds.height;
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var imageHeight = 1 / aspectRatio;
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var newWidth = oldBounds.width <= 1 ? oldBounds.width : 1;
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var newHeight = oldBounds.height <= imageHeight ?
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oldBounds.height : imageHeight;
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@ -340,33 +342,6 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
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},
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/**
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* Overrides Viewer.open
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* @private
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*/
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open: function(source, options) {
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var _this = this;
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var original = options.originalTiledImage;
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delete options.original;
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this.updateSize();
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var containerSize = this.viewer.viewport.containerSize.times( this.sizeRatio );
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var ts = source.getTileSize(source.maxLevel);
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if ( ts > containerSize.x || ts > containerSize.y ) {
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this.minPixelRatio = Math.min( containerSize.x, containerSize.y ) / ts;
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} else {
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this.minPixelRatio = this.viewer.minPixelRatio;
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}
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this.addHandler('open', function openHandler() {
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_this.removeHandler(openHandler);
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_this.world.getItemAt(0)._originalForNavigator = original;
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});
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return $.Viewer.prototype.open.apply( this, [source, options] );
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},
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/**
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* Overrides Viewer.addTiledImage
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* @private
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@ -376,8 +351,8 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
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delete options.original;
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var optionsClone = $.extend({}, options, {
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success: function(item) {
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item._originalForNavigator = original;
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success: function(event) {
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event.item._originalForNavigator = original;
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}
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});
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596
src/viewer.js
596
src/viewer.js
@ -35,10 +35,7 @@
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(function( $ ){
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// dictionary from hash to private properties
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var THIS = {},
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// We keep a list of viewers so we can 'wake-up' each viewer on
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// a page after toggling between fullpage modes
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VIEWERS = {};
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var THIS = {};
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/**
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*
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@ -409,6 +406,9 @@ $.Viewer = function( options ) {
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this.bindStandardControls();
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this.bindSequenceControls();
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THIS[ this.hash ].prevContainerSize = _getSafeElemSize( this.container );
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// Create the world
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this.world = new $.World({
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viewer: this
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});
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@ -418,7 +418,14 @@ $.Viewer = function( options ) {
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_this.viewport.setHomeBounds(_this.world.getHomeBounds(), _this.world.getContentFactor());
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}
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// For backwards compatibility, we maintain the source property
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_this.source = _this.world.getItemAt(0).source;
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THIS[ _this.hash ].forceRedraw = true;
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if (!_this._updateRequestId) {
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_this._updateRequestId = scheduleUpdate( _this, updateMulti );
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}
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});
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this.world.addHandler('remove-item', function(event) {
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@ -426,9 +433,113 @@ $.Viewer = function( options ) {
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_this.viewport.setHomeBounds(_this.world.getHomeBounds(), _this.world.getContentFactor());
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}
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// For backwards compatibility, we maintain the source property
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if (_this.world.getItemCount()) {
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_this.source = _this.world.getItemAt(0).source;
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} else {
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_this.source = null;
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}
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THIS[ _this.hash ].forceRedraw = true;
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});
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this.world.addHandler('item-index-changed', function(event) {
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// For backwards compatibility, we maintain the source property
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_this.source = _this.world.getItemAt(0).source;
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});
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// Create the viewport
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this.viewport = new $.Viewport({
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containerSize: THIS[ this.hash ].prevContainerSize,
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springStiffness: this.springStiffness,
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animationTime: this.animationTime,
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minZoomImageRatio: this.minZoomImageRatio,
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maxZoomPixelRatio: this.maxZoomPixelRatio,
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visibilityRatio: this.visibilityRatio,
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wrapHorizontal: this.wrapHorizontal,
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wrapVertical: this.wrapVertical,
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defaultZoomLevel: this.defaultZoomLevel,
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minZoomLevel: this.minZoomLevel,
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maxZoomLevel: this.maxZoomLevel,
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viewer: this,
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degrees: this.degrees,
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navigatorRotate: this.navigatorRotate,
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homeFillsViewer: this.homeFillsViewer
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});
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// Create the image loader
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this.imageLoader = new $.ImageLoader();
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// Create the tile cache
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this.tileCache = new $.TileCache({
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maxImageCacheCount: this.maxImageCacheCount
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});
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// Create the drawer
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this.drawer = new $.Drawer({
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viewer: this,
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viewport: this.viewport,
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element: this.canvas,
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opacity: this.opacity,
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debugGridColor: this.debugGridColor
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});
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// Now that we have a drawer, see if it supports rotate. If not we need to remove the rotate buttons
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if (!this.drawer.canRotate()) {
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// Disable/remove the rotate left/right buttons since they aren't supported
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if (this.rotateLeft) {
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i = this.buttons.buttons.indexOf(this.rotateLeft);
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this.buttons.buttons.splice(i, 1);
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this.buttons.element.removeChild(this.rotateLeft.element);
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}
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if (this.rotateRight) {
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i = this.buttons.buttons.indexOf(this.rotateRight);
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this.buttons.buttons.splice(i, 1);
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this.buttons.element.removeChild(this.rotateRight.element);
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}
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}
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//Instantiate a navigator if configured
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if ( this.showNavigator){
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this.navigator = new $.Navigator({
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id: this.navigatorId,
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position: this.navigatorPosition,
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sizeRatio: this.navigatorSizeRatio,
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maintainSizeRatio: this.navigatorMaintainSizeRatio,
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top: this.navigatorTop,
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left: this.navigatorLeft,
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width: this.navigatorWidth,
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height: this.navigatorHeight,
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autoResize: this.navigatorAutoResize,
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tileHost: this.tileHost,
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prefixUrl: this.prefixUrl,
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viewer: this,
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navigatorRotate: this.navigatorRotate
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});
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}
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//Instantiate a referencestrip if configured
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if ( this.showReferenceStrip ){
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this.referenceStrip = new $.ReferenceStrip({
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id: this.referenceStripElement,
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position: this.referenceStripPosition,
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sizeRatio: this.referenceStripSizeRatio,
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scroll: this.referenceStripScroll,
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height: this.referenceStripHeight,
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width: this.referenceStripWidth,
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tileSources: this.tileSources,
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tileHost: this.tileHost,
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prefixUrl: this.prefixUrl,
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viewer: this
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});
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}
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// Create initial overlays
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for ( i = 0; i < this.overlays.length; i++ ) {
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this.currentOverlays[ i ] = getOverlayObject( this, this.overlays[ i ] );
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}
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// Open initial tilesources
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if ( initialTileSource ) {
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this.open( initialTileSource );
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@ -437,6 +548,7 @@ $.Viewer = function( options ) {
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}
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}
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// Add custom controls
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for ( i = 0; i < this.customControls.length; i++ ) {
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this.addControl(
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this.customControls[ i ].id,
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@ -444,10 +556,10 @@ $.Viewer = function( options ) {
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);
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}
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// Initial fade out
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$.requestAnimationFrame( function(){
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beginControlsAutoHide( _this );
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} ); // initial fade out
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} );
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};
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$.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype, /** @lends OpenSeadragon.Viewer.prototype */{
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@ -458,7 +570,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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* @return {Boolean}
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*/
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isOpen: function () {
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return !!this.source;
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return !!this.world.getItemCount();
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},
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/**
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@ -508,27 +620,120 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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* @fires OpenSeadragon.Viewer.event:open
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* @fires OpenSeadragon.Viewer.event:open-failed
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*/
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open: function ( tileSource, options ) {
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open: function (tileSources) {
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var _this = this;
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_this._hideMessage();
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this.close();
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getTileSourceImplementation( _this, tileSource, function( tileSource ) {
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openTileSource( _this, tileSource, options );
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}, function( event ) {
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/**
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* Raised when an error occurs loading a TileSource.
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*
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* @event open-failed
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* @memberof OpenSeadragon.Viewer
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* @type {object}
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* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
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* @property {String} message
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* @property {String} source
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* @property {?Object} userData - Arbitrary subscriber-defined object.
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*/
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_this.raiseEvent( 'open-failed', event );
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});
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if (!tileSources) {
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return;
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}
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if (!$.isArray(tileSources)) {
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tileSources = [tileSources];
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}
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if (!tileSources.length) {
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return;
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}
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var expected = tileSources.length;
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var successes = 0;
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var failures = 0;
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var failEvent;
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var checkCompletion = function() {
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if (successes + failures === expected) {
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if (successes) {
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if (!_this.preserveViewport) {
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_this.viewport.goHome( true );
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}
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var source = tileSources[0];
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if (source.tileSource) {
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source = source.tileSource;
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}
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/**
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* Raised when the viewer has opened and loaded one or more TileSources.
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*
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* @event open
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* @memberof OpenSeadragon.Viewer
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* @type {object}
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* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
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* @property {OpenSeadragon.TileSource} source - The tile source that was opened.
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* @property {?Object} userData - Arbitrary subscriber-defined object.
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*/
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// TODO: what if there are multiple sources?
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_this.raiseEvent( 'open', { source: source } );
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} else {
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/**
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* Raised when an error occurs loading a TileSource.
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*
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* @event open-failed
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* @memberof OpenSeadragon.Viewer
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* @type {object}
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* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
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* @property {String} message - Information about what failed.
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* @property {String} source - The tile source that failed.
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* @property {?Object} userData - Arbitrary subscriber-defined object.
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*/
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_this.raiseEvent( 'open-failed', failEvent );
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}
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}
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};
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var doOne = function(options) {
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if (!$.isPlainObject(options) || !options.tileSource) {
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options = {
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tileSource: options
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};
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}
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if (options.index !== undefined) {
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$.console.error('[Viewer.open] setting indexes here is not supported; use addTiledImage instead');
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delete options.index;
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}
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var originalSuccess = options.success;
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options.success = function(event) {
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successes++;
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if (originalSuccess) {
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originalSuccess(event);
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}
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checkCompletion();
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};
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var originalError = options.error;
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options.error = function(event) {
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failures++;
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if (!failEvent) {
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failEvent = event;
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}
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if (originalError) {
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originalError(event);
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}
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checkCompletion();
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};
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_this.addTiledImage(options);
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// For backwards compatibility. TODO: deprecate.
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if (options.tileSource.overlays) {
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for (var i = 0; i < options.tileSource.overlays.length; i++) {
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_this.addOverlay(options.tileSource.overlays[i]);
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}
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}
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};
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for (var i = 0; i < tileSources.length; i++) {
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doOne(tileSources[i]);
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}
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return this;
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},
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@ -546,11 +751,6 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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return this;
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}
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if ( this._updateRequestId !== null ) {
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$.cancelAnimationFrame( this._updateRequestId );
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this._updateRequestId = null;
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}
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if ( this.navigator ) {
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this.navigator.close();
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}
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@ -558,21 +758,9 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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this.clearOverlays();
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this.overlaysContainer.innerHTML = "";
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if ( this.drawer ) {
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this.drawer.destroy();
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}
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this.source = null;
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this.drawer = null;
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THIS[ this.hash ].animating = false;
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this.world.removeAll();
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this.viewport = this.preserveViewport ? this.viewport : null;
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VIEWERS[ this.hash ] = null;
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delete VIEWERS[ this.hash ];
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/**
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* Raised when the viewer is closed (see {@link OpenSeadragon.Viewer#close}).
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*
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@ -609,6 +797,15 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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//this.unbindSequenceControls()
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//this.unbindStandardControls()
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if ( this._updateRequestId !== null ) {
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$.cancelAnimationFrame( this._updateRequestId );
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this._updateRequestId = null;
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}
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if ( this.drawer ) {
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this.drawer.destroy();
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}
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this.removeAllHandlers();
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// Go through top element (passed to us) and remove all children
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@ -1068,7 +1265,11 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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* @param {Number} [options.width=1] The width for the image in world coordinates.
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* @param {Number} [options.height] The height for the image in world coordinates.
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* @param {Function} [options.success] A function that gets called when the image is
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* successfully added. It's passed a single parameter: the resulting TiledImage.
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* successfully added. It's passed the event object which contains a single property:
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* "item", the resulting TiledImage.
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* @param {Function} [options.error] A function that gets called if the image is
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* unable to be added. It's passed the error event object, which contains "message"
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* and "source" properties.
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* @fires OpenSeadragon.World.event:add-item
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* @fires OpenSeadragon.Viewer.event:add-item-failed
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*/
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@ -1079,9 +1280,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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var _this = this,
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tileSource = options.tileSource;
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if ( !this.isOpen() ) {
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throw new Error( "An image must be loaded before adding additional images." );
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}
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this._hideMessage();
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function raiseAddItemFailed( event ) {
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/**
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@ -1096,13 +1295,17 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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* @property {?Object} userData - Arbitrary subscriber-defined object.
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*/
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_this.raiseEvent( 'add-item-failed', event );
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if (options.error) {
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options.error(event);
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}
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}
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getTileSourceImplementation( this, tileSource, function( tileSource ) {
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if ( tileSource instanceof Array ) {
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raiseAddItemFailed({
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message: "[Viewer.addTiledImage] Sequences can not be added.",
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message: "[Viewer.addTiledImage] Sequences can not be added; add them one at a time instead.",
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source: tileSource,
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options: options
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});
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@ -1136,6 +1339,10 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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index: options.index
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});
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if (_this.world.getItemCount() === 1 && !_this.preserveViewport) {
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_this.viewport.goHome(true);
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}
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if (_this.navigator) {
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var optionsClone = $.extend({}, options, {
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originalTiledImage: tiledImage,
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@ -1146,7 +1353,9 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
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}
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if (options.success) {
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options.success(tiledImage);
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options.success({
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item: tiledImage
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});
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}
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}, function( event ) {
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event.options = options;
|
||||
@ -1163,22 +1372,19 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
|
||||
|
||||
$.console.error( "[Viewer.addLayer] this function is deprecated; use Viewer.addTiledImage() instead." );
|
||||
|
||||
var addItemHandler = function(event) {
|
||||
self.world.removeHandler("add-item", addItemHandler);
|
||||
self.raiseEvent("add-layer", {
|
||||
options: options,
|
||||
drawer: event.item
|
||||
});
|
||||
};
|
||||
var optionsClone = $.extend({}, options, {
|
||||
success: function(event) {
|
||||
self.raiseEvent("add-layer", {
|
||||
options: options,
|
||||
drawer: event.item
|
||||
});
|
||||
},
|
||||
error: function(event) {
|
||||
self.raiseEvent("add-layer-failed", event);
|
||||
}
|
||||
});
|
||||
|
||||
var failureHandler = function(event) {
|
||||
self.removeHandler("add-item-failed", failureHandler);
|
||||
self.raiseEvent("add-layer-failed", event);
|
||||
};
|
||||
|
||||
this.world.addHandler("add-item", addItemHandler);
|
||||
this.addHandler("add-item-failed", failureHandler);
|
||||
this.addTiledImage(options);
|
||||
this.addTiledImage(optionsClone);
|
||||
return this;
|
||||
},
|
||||
|
||||
@ -1778,8 +1984,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
|
||||
|
||||
/**
|
||||
* _getSafeElemSize is like getElementSize(), but refuses to return 0 for x or y,
|
||||
* which was causing some calling operations in updateOnce and openTileSource to
|
||||
* return NaN.
|
||||
* which was causing some calling operations to return NaN.
|
||||
* @returns {Point}
|
||||
* @private
|
||||
*/
|
||||
@ -1847,214 +2052,6 @@ function getTileSourceImplementation( viewer, tileSource, successCallback,
|
||||
}, 1 );
|
||||
}
|
||||
|
||||
/**
|
||||
* @function
|
||||
* @private
|
||||
*/
|
||||
function openTileSource( viewer, source, options ) {
|
||||
var i,
|
||||
_this = viewer;
|
||||
|
||||
options = options || {};
|
||||
|
||||
if ( _this.source ) {
|
||||
_this.close( );
|
||||
}
|
||||
|
||||
THIS[ _this.hash ].prevContainerSize = _getSafeElemSize( _this.container );
|
||||
|
||||
|
||||
if( _this.collectionMode ){
|
||||
_this.source = new $.TileSourceCollection({
|
||||
rows: _this.collectionRows,
|
||||
layout: _this.collectionLayout,
|
||||
tileSize: _this.collectionTileSize,
|
||||
tileSources: _this.tileSources,
|
||||
tileMargin: _this.collectionTileMargin
|
||||
});
|
||||
_this.viewport = _this.viewport ? _this.viewport : new $.Viewport({
|
||||
collectionMode: true,
|
||||
collectionTileSource: _this.source,
|
||||
containerSize: THIS[ _this.hash ].prevContainerSize,
|
||||
springStiffness: _this.springStiffness,
|
||||
animationTime: _this.animationTime,
|
||||
showNavigator: false,
|
||||
minZoomImageRatio: 1,
|
||||
maxZoomPixelRatio: 1,
|
||||
viewer: _this,
|
||||
degrees: _this.degrees //,
|
||||
//TODO: figure out how to support these in a way that makes sense
|
||||
//minZoomLevel: this.minZoomLevel,
|
||||
//maxZoomLevel: this.maxZoomLevel,
|
||||
//homeFillsViewer: this.homeFillsViewer
|
||||
});
|
||||
} else {
|
||||
if( source ){
|
||||
_this.source = source;
|
||||
}
|
||||
_this.viewport = _this.viewport ? _this.viewport : new $.Viewport({
|
||||
containerSize: THIS[ _this.hash ].prevContainerSize,
|
||||
springStiffness: _this.springStiffness,
|
||||
animationTime: _this.animationTime,
|
||||
minZoomImageRatio: _this.minZoomImageRatio,
|
||||
maxZoomPixelRatio: _this.maxZoomPixelRatio,
|
||||
visibilityRatio: _this.visibilityRatio,
|
||||
wrapHorizontal: _this.wrapHorizontal,
|
||||
wrapVertical: _this.wrapVertical,
|
||||
defaultZoomLevel: _this.defaultZoomLevel,
|
||||
minZoomLevel: _this.minZoomLevel,
|
||||
maxZoomLevel: _this.maxZoomLevel,
|
||||
viewer: _this,
|
||||
degrees: _this.degrees,
|
||||
navigatorRotate: _this.navigatorRotate,
|
||||
homeFillsViewer: _this.homeFillsViewer
|
||||
});
|
||||
}
|
||||
|
||||
// TODO: what to do about this?
|
||||
// if( _this.preserveViewport ){
|
||||
// _this.viewport.resetContentSize( _this.source.dimensions );
|
||||
// }
|
||||
|
||||
_this.source.overlays = _this.source.overlays || [];
|
||||
|
||||
_this.imageLoader = new $.ImageLoader();
|
||||
|
||||
_this.tileCache = new $.TileCache({
|
||||
maxImageCacheCount: _this.maxImageCacheCount
|
||||
});
|
||||
|
||||
_this.drawer = new $.Drawer({
|
||||
viewer: _this,
|
||||
viewport: _this.viewport,
|
||||
element: _this.canvas,
|
||||
opacity: _this.opacity,
|
||||
debugGridColor: _this.debugGridColor
|
||||
});
|
||||
|
||||
var tiledImage = new $.TiledImage({
|
||||
viewer: _this,
|
||||
source: _this.source,
|
||||
viewport: _this.viewport,
|
||||
drawer: _this.drawer,
|
||||
tileCache: _this.tileCache,
|
||||
imageLoader: _this.imageLoader,
|
||||
x: options.x,
|
||||
y: options.y,
|
||||
width: options.width,
|
||||
height: options.height,
|
||||
imageLoaderLimit: _this.imageLoaderLimit,
|
||||
minZoomImageRatio: _this.minZoomImageRatio,
|
||||
wrapHorizontal: _this.wrapHorizontal,
|
||||
wrapVertical: _this.wrapVertical,
|
||||
immediateRender: _this.immediateRender,
|
||||
blendTime: _this.blendTime,
|
||||
alwaysBlend: _this.alwaysBlend,
|
||||
minPixelRatio: _this.collectionMode ? 0 : _this.minPixelRatio,
|
||||
debugMode: _this.debugMode,
|
||||
debugGridColor: _this.debugGridColor,
|
||||
crossOriginPolicy: _this.crossOriginPolicy
|
||||
});
|
||||
|
||||
_this.world.addItem( tiledImage );
|
||||
_this.viewport.goHome( true );
|
||||
|
||||
// Now that we have a drawer, see if it supports rotate. If not we need to remove the rotate buttons
|
||||
if (!_this.drawer.canRotate()) {
|
||||
// Disable/remove the rotate left/right buttons since they aren't supported
|
||||
if (_this.rotateLeft) {
|
||||
i = _this.buttons.buttons.indexOf(_this.rotateLeft);
|
||||
_this.buttons.buttons.splice(i, 1);
|
||||
_this.buttons.element.removeChild(_this.rotateLeft.element);
|
||||
}
|
||||
if (_this.rotateRight) {
|
||||
i = _this.buttons.buttons.indexOf(_this.rotateRight);
|
||||
_this.buttons.buttons.splice(i, 1);
|
||||
_this.buttons.element.removeChild(_this.rotateRight.element);
|
||||
}
|
||||
}
|
||||
|
||||
//Instantiate a navigator if configured
|
||||
if ( _this.showNavigator && !_this.collectionMode ){
|
||||
// Note: By passing the fully parsed source, the navigator doesn't
|
||||
// have to load it again.
|
||||
if (!_this.navigator) {
|
||||
_this.navigator = new $.Navigator({
|
||||
id: _this.navigatorId,
|
||||
position: _this.navigatorPosition,
|
||||
sizeRatio: _this.navigatorSizeRatio,
|
||||
maintainSizeRatio: _this.navigatorMaintainSizeRatio,
|
||||
top: _this.navigatorTop,
|
||||
left: _this.navigatorLeft,
|
||||
width: _this.navigatorWidth,
|
||||
height: _this.navigatorHeight,
|
||||
autoResize: _this.navigatorAutoResize,
|
||||
tileHost: _this.tileHost,
|
||||
prefixUrl: _this.prefixUrl,
|
||||
viewer: _this,
|
||||
navigatorRotate: _this.navigatorRotate
|
||||
});
|
||||
}
|
||||
|
||||
var optionsClone = $.extend({}, options, {
|
||||
originalTiledImage: tiledImage
|
||||
});
|
||||
|
||||
_this.navigator.open(source, optionsClone);
|
||||
}
|
||||
|
||||
//Instantiate a referencestrip if configured
|
||||
if ( _this.showReferenceStrip && !_this.referenceStrip ){
|
||||
_this.referenceStrip = new $.ReferenceStrip({
|
||||
id: _this.referenceStripElement,
|
||||
position: _this.referenceStripPosition,
|
||||
sizeRatio: _this.referenceStripSizeRatio,
|
||||
scroll: _this.referenceStripScroll,
|
||||
height: _this.referenceStripHeight,
|
||||
width: _this.referenceStripWidth,
|
||||
tileSources: _this.tileSources,
|
||||
tileHost: _this.tileHost,
|
||||
prefixUrl: _this.prefixUrl,
|
||||
viewer: _this
|
||||
});
|
||||
}
|
||||
|
||||
//this.profiler = new $.Profiler();
|
||||
|
||||
THIS[ _this.hash ].animating = false;
|
||||
THIS[ _this.hash ].forceRedraw = true;
|
||||
_this._updateRequestId = scheduleUpdate( _this, updateMulti );
|
||||
|
||||
VIEWERS[ _this.hash ] = _this;
|
||||
|
||||
loadOverlays( _this );
|
||||
|
||||
/**
|
||||
* Raised when the viewer has opened and loaded one or more TileSources.
|
||||
*
|
||||
* @event open
|
||||
* @memberof OpenSeadragon.Viewer
|
||||
* @type {object}
|
||||
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
|
||||
* @property {OpenSeadragon.TileSource} source
|
||||
* @property {?Object} userData - Arbitrary subscriber-defined object.
|
||||
*/
|
||||
_this.raiseEvent( 'open', { source: source } );
|
||||
|
||||
return _this;
|
||||
}
|
||||
|
||||
function loadOverlays( _this ) {
|
||||
_this.currentOverlays = [];
|
||||
for ( var i = 0; i < _this.overlays.length; i++ ) {
|
||||
_this.currentOverlays[ i ] = getOverlayObject( _this, _this.overlays[ i ] );
|
||||
}
|
||||
for ( var j = 0; j < _this.source.overlays.length; j++ ) {
|
||||
_this.currentOverlays[ i + j ] =
|
||||
getOverlayObject( _this, _this.source.overlays[ j ] );
|
||||
}
|
||||
}
|
||||
|
||||
function getOverlayObject( viewer, overlay ) {
|
||||
if ( overlay instanceof $.Overlay ) {
|
||||
return overlay;
|
||||
@ -2619,16 +2616,13 @@ function onContainerEnter( event ) {
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
function updateMulti( viewer ) {
|
||||
if ( !viewer.source ) {
|
||||
viewer._updateRequestId = null;
|
||||
return;
|
||||
}
|
||||
|
||||
updateOnce( viewer );
|
||||
|
||||
// Request the next frame, unless we've been closed during the updateOnce()
|
||||
if ( viewer.source ) {
|
||||
// Request the next frame, unless we've been closed
|
||||
if ( viewer.isOpen() ) {
|
||||
viewer._updateRequestId = scheduleUpdate( viewer, updateMulti );
|
||||
} else {
|
||||
viewer._updateRequestId = false;
|
||||
}
|
||||
}
|
||||
|
||||
@ -2637,10 +2631,6 @@ function updateOnce( viewer ) {
|
||||
var containerSize,
|
||||
animated;
|
||||
|
||||
if ( !viewer.source ) {
|
||||
return;
|
||||
}
|
||||
|
||||
//viewer.profiler.beginUpdate();
|
||||
|
||||
if ( viewer.autoResize ) {
|
||||
@ -2675,29 +2665,27 @@ function updateOnce( viewer ) {
|
||||
abortControlsAutoHide( viewer );
|
||||
}
|
||||
|
||||
if ( animated ) {
|
||||
updateWorld( viewer );
|
||||
drawOverlays( viewer.viewport, viewer.currentOverlays, viewer.overlaysContainer );
|
||||
if( viewer.navigator ){
|
||||
viewer.navigator.update( viewer.viewport );
|
||||
}
|
||||
/**
|
||||
* Raised when any spring animation update occurs (zoom, pan, etc.).
|
||||
*
|
||||
* @event animation
|
||||
* @memberof OpenSeadragon.Viewer
|
||||
* @type {object}
|
||||
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this event.
|
||||
* @property {?Object} userData - Arbitrary subscriber-defined object.
|
||||
*/
|
||||
viewer.raiseEvent( "animation" );
|
||||
} else if ( THIS[ viewer.hash ].forceRedraw || viewer.world.needsUpdate() ) {
|
||||
if ( animated || THIS[ viewer.hash ].forceRedraw || viewer.world.needsUpdate() ) {
|
||||
updateWorld( viewer );
|
||||
drawOverlays( viewer.viewport, viewer.currentOverlays, viewer.overlaysContainer );
|
||||
if( viewer.navigator ){
|
||||
viewer.navigator.update( viewer.viewport );
|
||||
}
|
||||
|
||||
THIS[ viewer.hash ].forceRedraw = false;
|
||||
|
||||
if (animated) {
|
||||
/**
|
||||
* Raised when any spring animation update occurs (zoom, pan, etc.).
|
||||
*
|
||||
* @event animation
|
||||
* @memberof OpenSeadragon.Viewer
|
||||
* @type {object}
|
||||
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised this event.
|
||||
* @property {?Object} userData - Arbitrary subscriber-defined object.
|
||||
*/
|
||||
viewer.raiseEvent( "animation" );
|
||||
}
|
||||
}
|
||||
|
||||
if ( THIS[ viewer.hash ].animating && !animated ) {
|
||||
@ -2733,7 +2721,9 @@ function resizeViewportAndRecenter( viewer, containerSize, oldBounds, oldCenter
|
||||
viewport.resize( containerSize, true );
|
||||
|
||||
// We try to remove blanks as much as possible
|
||||
var imageHeight = 1 / viewer.source.aspectRatio;
|
||||
var worldBounds = viewer.world.getHomeBounds();
|
||||
var aspectRatio = worldBounds.width / worldBounds.height;
|
||||
var imageHeight = 1 / aspectRatio;
|
||||
var newWidth = oldBounds.width <= 1 ? oldBounds.width : 1;
|
||||
var newHeight = oldBounds.height <= imageHeight ?
|
||||
oldBounds.height : imageHeight;
|
||||
|
||||
@ -7,14 +7,14 @@
|
||||
var self = this;
|
||||
|
||||
this.viewer = OpenSeadragon( {
|
||||
debugMode: true,
|
||||
// debugMode: true,
|
||||
zoomPerScroll: 1.02,
|
||||
showNavigator: true,
|
||||
id: "contentDiv",
|
||||
prefixUrl: "../../../build/openseadragon/images/"
|
||||
} );
|
||||
|
||||
this.crossTest();
|
||||
this.crossTest3();
|
||||
},
|
||||
|
||||
// ----------
|
||||
@ -47,6 +47,53 @@
|
||||
});
|
||||
},
|
||||
|
||||
// ----------
|
||||
crossTest2: function() {
|
||||
this.viewer.open([
|
||||
{
|
||||
tileSource: "../../data/tall.dzi",
|
||||
x: 1.5,
|
||||
y: 0,
|
||||
width: 1
|
||||
}, {
|
||||
tileSource: '../../data/wide.dzi',
|
||||
opacity: 1,
|
||||
x: 0,
|
||||
y: 1.5,
|
||||
height: 1
|
||||
}
|
||||
]);
|
||||
},
|
||||
|
||||
// ----------
|
||||
crossTest3: function() {
|
||||
var self = this;
|
||||
var expected = 2;
|
||||
var loaded = 0;
|
||||
|
||||
this.viewer.world.addHandler('add-item', function() {
|
||||
loaded++;
|
||||
if (loaded === expected) {
|
||||
// self.viewer.viewport.goHome();
|
||||
}
|
||||
});
|
||||
|
||||
this.viewer.addTiledImage({
|
||||
tileSource: "../../data/tall.dzi",
|
||||
x: 1.5,
|
||||
y: 0,
|
||||
width: 1
|
||||
});
|
||||
|
||||
this.viewer.addTiledImage({
|
||||
tileSource: '../../data/wide.dzi',
|
||||
opacity: 1,
|
||||
x: 0,
|
||||
y: 1.5,
|
||||
height: 1
|
||||
});
|
||||
},
|
||||
|
||||
// ----------
|
||||
gridTest: function() {
|
||||
var self = this;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user