Major overhaul to Viewer.open()

This commit is contained in:
Ian Gilman 2014-10-29 16:11:21 -07:00
parent 3810916577
commit 95836a6ad1
3 changed files with 347 additions and 335 deletions

View File

@ -271,7 +271,9 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
var oldBounds = this.viewport.getBounds();
var oldCenter = this.viewport.getCenter();
this.viewport.resize( containerSize, true );
var imageHeight = 1 / this.source.aspectRatio;
var worldBounds = this.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;
@ -340,33 +342,6 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
},
/**
* Overrides Viewer.open
* @private
*/
open: function(source, options) {
var _this = this;
var original = options.originalTiledImage;
delete options.original;
this.updateSize();
var containerSize = this.viewer.viewport.containerSize.times( this.sizeRatio );
var ts = source.getTileSize(source.maxLevel);
if ( ts > containerSize.x || ts > containerSize.y ) {
this.minPixelRatio = Math.min( containerSize.x, containerSize.y ) / ts;
} else {
this.minPixelRatio = this.viewer.minPixelRatio;
}
this.addHandler('open', function openHandler() {
_this.removeHandler(openHandler);
_this.world.getItemAt(0)._originalForNavigator = original;
});
return $.Viewer.prototype.open.apply( this, [source, options] );
},
/**
* Overrides Viewer.addTiledImage
* @private
@ -376,8 +351,8 @@ $.extend( $.Navigator.prototype, $.EventSource.prototype, $.Viewer.prototype, /*
delete options.original;
var optionsClone = $.extend({}, options, {
success: function(item) {
item._originalForNavigator = original;
success: function(event) {
event.item._originalForNavigator = original;
}
});

View File

@ -35,10 +35,7 @@
(function( $ ){
// dictionary from hash to private properties
var THIS = {},
// We keep a list of viewers so we can 'wake-up' each viewer on
// a page after toggling between fullpage modes
VIEWERS = {};
var THIS = {};
/**
*
@ -409,6 +406,9 @@ $.Viewer = function( options ) {
this.bindStandardControls();
this.bindSequenceControls();
THIS[ this.hash ].prevContainerSize = _getSafeElemSize( this.container );
// Create the world
this.world = new $.World({
viewer: this
});
@ -418,7 +418,14 @@ $.Viewer = function( options ) {
_this.viewport.setHomeBounds(_this.world.getHomeBounds(), _this.world.getContentFactor());
}
// For backwards compatibility, we maintain the source property
_this.source = _this.world.getItemAt(0).source;
THIS[ _this.hash ].forceRedraw = true;
if (!_this._updateRequestId) {
_this._updateRequestId = scheduleUpdate( _this, updateMulti );
}
});
this.world.addHandler('remove-item', function(event) {
@ -426,9 +433,113 @@ $.Viewer = function( options ) {
_this.viewport.setHomeBounds(_this.world.getHomeBounds(), _this.world.getContentFactor());
}
// For backwards compatibility, we maintain the source property
if (_this.world.getItemCount()) {
_this.source = _this.world.getItemAt(0).source;
} else {
_this.source = null;
}
THIS[ _this.hash ].forceRedraw = true;
});
this.world.addHandler('item-index-changed', function(event) {
// For backwards compatibility, we maintain the source property
_this.source = _this.world.getItemAt(0).source;
});
// Create the 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
});
// Create the image loader
this.imageLoader = new $.ImageLoader();
// Create the tile cache
this.tileCache = new $.TileCache({
maxImageCacheCount: this.maxImageCacheCount
});
// Create the drawer
this.drawer = new $.Drawer({
viewer: this,
viewport: this.viewport,
element: this.canvas,
opacity: this.opacity,
debugGridColor: this.debugGridColor
});
// 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.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
});
}
//Instantiate a referencestrip if configured
if ( this.showReferenceStrip ){
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
});
}
// Create initial overlays
for ( i = 0; i < this.overlays.length; i++ ) {
this.currentOverlays[ i ] = getOverlayObject( this, this.overlays[ i ] );
}
// Open initial tilesources
if ( initialTileSource ) {
this.open( initialTileSource );
@ -437,6 +548,7 @@ $.Viewer = function( options ) {
}
}
// Add custom controls
for ( i = 0; i < this.customControls.length; i++ ) {
this.addControl(
this.customControls[ i ].id,
@ -444,10 +556,10 @@ $.Viewer = function( options ) {
);
}
// Initial fade out
$.requestAnimationFrame( function(){
beginControlsAutoHide( _this );
} ); // initial fade out
} );
};
$.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype, /** @lends OpenSeadragon.Viewer.prototype */{
@ -458,7 +570,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
* @return {Boolean}
*/
isOpen: function () {
return !!this.source;
return !!this.world.getItemCount();
},
/**
@ -508,27 +620,120 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
* @fires OpenSeadragon.Viewer.event:open
* @fires OpenSeadragon.Viewer.event:open-failed
*/
open: function ( tileSource, options ) {
open: function (tileSources) {
var _this = this;
_this._hideMessage();
this.close();
getTileSourceImplementation( _this, tileSource, function( tileSource ) {
openTileSource( _this, tileSource, options );
}, function( event ) {
/**
* Raised when an error occurs loading a TileSource.
*
* @event open-failed
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
* @property {String} message
* @property {String} source
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
_this.raiseEvent( 'open-failed', event );
});
if (!tileSources) {
return;
}
if (!$.isArray(tileSources)) {
tileSources = [tileSources];
}
if (!tileSources.length) {
return;
}
var expected = tileSources.length;
var successes = 0;
var failures = 0;
var failEvent;
var checkCompletion = function() {
if (successes + failures === expected) {
if (successes) {
if (!_this.preserveViewport) {
_this.viewport.goHome( true );
}
var source = tileSources[0];
if (source.tileSource) {
source = source.tileSource;
}
/**
* 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 - The tile source that was opened.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
// TODO: what if there are multiple sources?
_this.raiseEvent( 'open', { source: source } );
} else {
/**
* Raised when an error occurs loading a TileSource.
*
* @event open-failed
* @memberof OpenSeadragon.Viewer
* @type {object}
* @property {OpenSeadragon.Viewer} eventSource - A reference to the Viewer which raised the event.
* @property {String} message - Information about what failed.
* @property {String} source - The tile source that failed.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
_this.raiseEvent( 'open-failed', failEvent );
}
}
};
var doOne = function(options) {
if (!$.isPlainObject(options) || !options.tileSource) {
options = {
tileSource: options
};
}
if (options.index !== undefined) {
$.console.error('[Viewer.open] setting indexes here is not supported; use addTiledImage instead');
delete options.index;
}
var originalSuccess = options.success;
options.success = function(event) {
successes++;
if (originalSuccess) {
originalSuccess(event);
}
checkCompletion();
};
var originalError = options.error;
options.error = function(event) {
failures++;
if (!failEvent) {
failEvent = event;
}
if (originalError) {
originalError(event);
}
checkCompletion();
};
_this.addTiledImage(options);
// For backwards compatibility. TODO: deprecate.
if (options.tileSource.overlays) {
for (var i = 0; i < options.tileSource.overlays.length; i++) {
_this.addOverlay(options.tileSource.overlays[i]);
}
}
};
for (var i = 0; i < tileSources.length; i++) {
doOne(tileSources[i]);
}
return this;
},
@ -546,11 +751,6 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
return this;
}
if ( this._updateRequestId !== null ) {
$.cancelAnimationFrame( this._updateRequestId );
this._updateRequestId = null;
}
if ( this.navigator ) {
this.navigator.close();
}
@ -558,21 +758,9 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
this.clearOverlays();
this.overlaysContainer.innerHTML = "";
if ( this.drawer ) {
this.drawer.destroy();
}
this.source = null;
this.drawer = null;
THIS[ this.hash ].animating = false;
this.world.removeAll();
this.viewport = this.preserveViewport ? this.viewport : null;
VIEWERS[ this.hash ] = null;
delete VIEWERS[ this.hash ];
/**
* Raised when the viewer is closed (see {@link OpenSeadragon.Viewer#close}).
*
@ -609,6 +797,15 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
//this.unbindSequenceControls()
//this.unbindStandardControls()
if ( this._updateRequestId !== null ) {
$.cancelAnimationFrame( this._updateRequestId );
this._updateRequestId = null;
}
if ( this.drawer ) {
this.drawer.destroy();
}
this.removeAllHandlers();
// Go through top element (passed to us) and remove all children
@ -1068,7 +1265,11 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
* @param {Number} [options.width=1] The width for the image in world coordinates.
* @param {Number} [options.height] The height for the image in world coordinates.
* @param {Function} [options.success] A function that gets called when the image is
* successfully added. It's passed a single parameter: the resulting TiledImage.
* successfully added. It's passed the event object which contains a single property:
* "item", the resulting TiledImage.
* @param {Function} [options.error] A function that gets called if the image is
* unable to be added. It's passed the error event object, which contains "message"
* and "source" properties.
* @fires OpenSeadragon.World.event:add-item
* @fires OpenSeadragon.Viewer.event:add-item-failed
*/
@ -1079,9 +1280,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
var _this = this,
tileSource = options.tileSource;
if ( !this.isOpen() ) {
throw new Error( "An image must be loaded before adding additional images." );
}
this._hideMessage();
function raiseAddItemFailed( event ) {
/**
@ -1096,13 +1295,17 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/
_this.raiseEvent( 'add-item-failed', event );
if (options.error) {
options.error(event);
}
}
getTileSourceImplementation( this, tileSource, function( tileSource ) {
if ( tileSource instanceof Array ) {
raiseAddItemFailed({
message: "[Viewer.addTiledImage] Sequences can not be added.",
message: "[Viewer.addTiledImage] Sequences can not be added; add them one at a time instead.",
source: tileSource,
options: options
});
@ -1136,6 +1339,10 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
index: options.index
});
if (_this.world.getItemCount() === 1 && !_this.preserveViewport) {
_this.viewport.goHome(true);
}
if (_this.navigator) {
var optionsClone = $.extend({}, options, {
originalTiledImage: tiledImage,
@ -1146,7 +1353,9 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
}
if (options.success) {
options.success(tiledImage);
options.success({
item: tiledImage
});
}
}, function( event ) {
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;

View File

@ -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;