Merge branch 'master' of github.com:openseadragon/openseadragon into issue37-navigator

Gruntfile.js

@@ -1,5 +1,6 @@
 module.exports = function(grunt) {
 
+    // ----------
     grunt.loadNpmTasks("grunt-contrib-compress");
     grunt.loadNpmTasks("grunt-contrib-concat");
     grunt.loadNpmTasks("grunt-contrib-jshint");
@@ -9,10 +10,12 @@ module.exports = function(grunt) {
     grunt.loadNpmTasks("grunt-contrib-watch");
     grunt.loadNpmTasks("grunt-contrib-clean");
 
+    // ----------
     var distribution = "build/openseadragon/openseadragon.js",
         minified = "build/openseadragon/openseadragon.min.js",
         sources = [
             "src/openseadragon.js",
+            "src/fullscreen.js",
             "src/eventhandler.js",
             "src/mousetracker.js",
             "src/control.js",
@@ -41,6 +44,7 @@ module.exports = function(grunt) {
             "src/viewport.js"
         ];
 
+    // ----------
     // Project configuration.
     grunt.initConfig({
         pkg: grunt.file.readJSON("package.json"),
@@ -59,7 +63,10 @@ module.exports = function(grunt) {
         },
         concat: {
             options: {
-                banner: "/**\n * @version  <%= pkg.name %> <%= pkg.version %>\n */\n\n"
+                banner: "//! <%= pkg.name %> <%= pkg.version %>\n"
+                    + "//! Built on <%= grunt.template.today('yyyy-mm-dd') %>\n"
+                    + "//! http://openseadragon.github.com\n\n",
+                process: true
             },
             dist: {
                 src:  [ "<banner>" ].concat(sources),
@@ -67,6 +74,9 @@ module.exports = function(grunt) {
             }
         },
         uglify: {
+            options: {
+                preserveComments: "some"
+            },
             openseadragon: {
                 src: [ distribution ],
                 dest: minified
@@ -106,7 +116,7 @@ module.exports = function(grunt) {
             }
         },
         watch: {
-            files: [ "grunt.js", "src/*.js" ],
+            files: [ "Gruntfile.js", "src/*.js", "images/*" ],
             tasks: "build"
         },
         jshint: {
@@ -123,6 +133,7 @@ module.exports = function(grunt) {
         }
     });
 
+    // ----------
     // Copy:build task.
     // Copies the image files into the appropriate location in the build folder.
     grunt.registerTask("copy:build", function() {
@@ -131,36 +142,42 @@ module.exports = function(grunt) {
         });
     });
 
+    // ----------
     // Copy:release task.
     // Copies the contents of the build folder into ../site-build.
     grunt.registerTask("copy:release", function() {
         grunt.file.recurse("build", function(abspath, rootdir, subdir, filename) {
             var dest = "../site-build/"
-                + (subdir ? subdir + "/" : "")
+                + (subdir ? subdir + "/" : '/')
                 + filename;
 
             grunt.file.copy(abspath, dest);
         });
     });
 
+    // ----------
     // Build task.
     // Cleans out the build folder and builds the code and images into it, checking lint.
     grunt.registerTask("build", [
         "clean:build", "jshint:beforeconcat", "concat", "jshint:afterconcat", "uglify", "copy:build"
     ]);
 
+    // ----------
     // Test task.
     // Builds and runs unit tests.
     grunt.registerTask("test", ["build", "connect", "qunit"]);
 
+    // ----------
     // Package task.
     // Builds and creates the .zip and .tar files.
     grunt.registerTask("package", ["build", "compress"]);
 
+    // ----------
     // Publish task.
     // Cleans the built files out of ../site-build and copies newly built ones over.
     grunt.registerTask("publish", ["package", "clean:release", "copy:release"]);
 
+    // ----------
     // Default task.
     // Does a normal build.
     grunt.registerTask("default", ["build"]);

README.md

@@ -22,8 +22,8 @@ For more information on the upgrade, see http://gruntjs.com/upgrading-from-0.3-t
 
 All command-line operations are scripted using [Grunt](http://gruntjs.com/) which is based on [Node.js](http://nodejs.org/). To get set up:
 
-1. Install Node (available at the link above)
-1. On the command line, run `npm install -g grunt-cli` (this will install the Grunt command line runner)
+1. Install Node, if you haven't already (available at the link above)
+1. Install the Grunt command line runner (if you haven't already); on the command line, run `npm install -g grunt-cli`
 1. Clone the openseadragon repository
 1. On the command line, go in to the openseadragon folder
 1. Run `npm install`

package.json

@@ -1,6 +1,6 @@
 {
   "name": "OpenSeadragon",
-  "version": "0.9.122",
+  "version": "0.9.123",
   "description": "Provides a smooth, zoomable user interface for HTML/Javascript.",
   "devDependencies": {
     "grunt": "~0.4.0",

src/drawer.js

@@ -515,7 +515,12 @@ function updateViewport( drawer ) {
         ).x;
 
         zeroRatioT      = drawer.viewport.deltaPixelsFromPoints( 
-            drawer.source.getPixelRatio( 0 ), 
+            drawer.source.getPixelRatio( 
+                Math.max(
+                    drawer.source.getClosestLevel( drawer.viewport.containerSize ) - 1,
+                    0
+                )
+            ), 
             false
         ).x;
         
@@ -850,7 +855,7 @@ function blendTile( drawer, tile, x, y, level, levelOpacity, currentTime ){
     }
 
     deltaTime   = currentTime - tile.blendStart;
-    opacity     = Math.min( 1, deltaTime / ( blendTimeMillis || 1 ) );
+    opacity     = blendTimeMillis ? Math.min( 1, deltaTime / ( blendTimeMillis ) ) : 1;
     
     if ( drawer.alwaysBlend ) {
         opacity *= levelOpacity;
@@ -1085,9 +1090,6 @@ function drawTiles( drawer, lastDrawn ){
                         showNavigator:          false,
                         showSequenceControl:    false,
                         showNavigationControl:  false,
-                        //visibilityRatio:       1,
-                        //debugMode:             true,
-                        //debugGridColor:        'red',
                         tileSources: [
                             tileSource
                         ]
@@ -1153,6 +1155,7 @@ function drawTiles( drawer, lastDrawn ){
 function drawDebugInfo( drawer, tile, count, i ){
 
     if ( USE_CANVAS ) {
+        drawer.context.save();
         drawer.context.lineWidth = 2;
         drawer.context.font = 'small-caps bold 13px ariel';
         drawer.context.strokeStyle = drawer.debugGridColor;
@@ -1205,6 +1208,7 @@ function drawDebugInfo( drawer, tile, count, i ){
             tile.position.x + 10, 
             tile.position.y + 70
         );
+        drawer.context.restore();
     }
 }
 

src/fullscreen.js

@@ -0,0 +1,78 @@
+/**
+ * Determines the appropriate level of native full screen support we can get 
+ * from the browser.
+ * Thanks to John Dyer for the implementation and research
+ * http://johndyer.name/native-fullscreen-javascript-api-plus-jquery-plugin/
+ * Also includes older IE support based on
+ * http://stackoverflow.com/questions/1125084/how-to-make-in-javascript-full-screen-windows-stretching-all-over-the-screen/7525760
+ * @name $.supportsFullScreen
+ */
+(function( $ ) {
+    var fullScreenApi = {
+            supportsFullScreen: false,
+            isFullScreen: function() { return false; },
+            requestFullScreen: function() {},
+            cancelFullScreen: function() {},
+            fullScreenEventName: '',
+            prefix: ''
+        },
+        browserPrefixes = 'webkit moz o ms khtml'.split(' ');
+ 
+    // check for native support
+    if (typeof document.cancelFullScreen != 'undefined') {
+        fullScreenApi.supportsFullScreen = true;
+    } else {
+        // check for fullscreen support by vendor prefix
+        for (var i = 0, il = browserPrefixes.length; i < il; i++ ) {
+            fullScreenApi.prefix = browserPrefixes[i];
+ 
+            if (typeof document[fullScreenApi.prefix + 'CancelFullScreen' ] != 'undefined' ) {
+                fullScreenApi.supportsFullScreen = true;
+ 
+                break;
+            }
+        }
+    }
+ 
+    // update methods to do something useful
+    if (fullScreenApi.supportsFullScreen) {
+        fullScreenApi.fullScreenEventName = fullScreenApi.prefix + 'fullscreenchange';
+ 
+        fullScreenApi.isFullScreen = function() {
+            switch (this.prefix) {
+                case '':
+                    return document.fullScreen;
+                case 'webkit':
+                    return document.webkitIsFullScreen;
+                default:
+                    return document[this.prefix + 'FullScreen'];
+            }
+        };
+        fullScreenApi.requestFullScreen = function( element ) {
+            return (this.prefix === '') ? 
+                element.requestFullScreen() : 
+                element[this.prefix + 'RequestFullScreen']();
+
+        };
+        fullScreenApi.cancelFullScreen = function( element ) {
+            return (this.prefix === '') ? 
+                document.cancelFullScreen() : 
+                document[this.prefix + 'CancelFullScreen']();
+        };
+    } else if ( typeof window.ActiveXObject !== "undefined" ){
+        // Older IE.
+        fullScreenApi.requestFullScreen = function(){
+            var wscript = new ActiveXObject("WScript.Shell");
+            if ( wscript !== null ) {
+                wscript.SendKeys("{F11}");
+            }
+            return false;
+        };
+        fullScreenApi.cancelFullScreen = fullScreenApi.requestFullScreen;
+    }
+
+ 
+    // export api
+    $.extend( $, fullScreenApi );
+
+})( OpenSeadragon );

src/navigator.js

@@ -47,7 +47,10 @@ $.Navigator = function( options ){
         showNavigator:          false,
         mouseNavEnabled:        false,
         showNavigationControl:  false,
-        showSequenceControl:    false
+        showSequenceControl:    false,
+        immediateRender:        true,
+        blendTime:              0,
+        animationTime:          0
     });
 
     options.minPixelRatio = this.minPixelRatio = viewer.minPixelRatio;
@@ -247,6 +250,20 @@ $.extend( $.Navigator.prototype, $.EventHandler.prototype, $.Viewer.prototype, {
             }( this.displayRegion.style, this.borderWidth));
         } 
 
+    },
+
+    open: function( source ){
+        var containerSize = this.viewer.viewport.containerSize.times( this.sizeRatio );
+        if( source.tileSize > containerSize.x || 
+            source.tileSize > containerSize.y ){
+            this.minPixelRatio = Math.min( 
+                containerSize.x, 
+                containerSize.y 
+            ) / source.tileSize;
+        } else {
+            this.minPixelRatio = thie.viewer.minPixelRatio;
+        }
+        return $.Viewer.prototype.open.apply( this, [ source ] );
     }
 
 });

src/openseadragon.js

@@ -1,4 +1,6 @@
 /**
+ * @version  <%= pkg.name %> <%= pkg.version %>
+ * 
  * @fileOverview 
  * <h2>
  * <strong>
@@ -472,26 +474,26 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
             constrainDuringPan:     false,
             wrapHorizontal:         false,
             wrapVertical:           false,
-            visibilityRatio:        0.5,
-            minPixelRatio:          0.5,
-            minZoomImageRatio:      0.8,
-            maxZoomPixelRatio:      2,
+            visibilityRatio:        0.5, //-> how much of the viewer can be negative space
+            minPixelRatio:          1, //->closer to 0 draws tiles meant for a higher zoom at this zoom
             defaultZoomLevel:       0,
             minZoomLevel:           null,
             maxZoomLevel:           null, 
 
             //UI RESPONSIVENESS AND FEEL
-            springStiffness:        5.0,
+            springStiffness:        7.0,
             clickTimeThreshold:     300,
             clickDistThreshold:     5,
-            zoomPerClick:           2.0,
+            zoomPerClick:           2,
             zoomPerScroll:          1.2,
-            zoomPerSecond:          2.0,
-            animationTime:          1.5,
-            blendTime:              1.5,
+            zoomPerSecond:          1.0,
+            animationTime:          1.2,
+            blendTime:              0,
             alwaysBlend:            false,
             autoHideControls:       true,
             immediateRender:        false,
+            minZoomImageRatio:      0.9, //-> closer to 0 allows zoom out to infinity
+            maxZoomPixelRatio:      1.1, //-> higher allows 'over zoom' into pixels
 
             //DEFAULT CONTROL SETTINGS
             showSequenceControl:    true,  //SEQUENCE
@@ -530,7 +532,7 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
             //PERFORMANCE SETTINGS
             imageLoaderLimit:       0,
             maxImageCacheCount:     200,
-            timeout:                5000,
+            timeout:                30000,
 
             //INTERFACE RESOURCE SETTINGS
             prefixUrl:              "/images/",
@@ -1655,6 +1657,7 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
 
     })();
 
+
     //TODO: $.console is often used inside a try/catch block which generally
     //      prevents allowings errors to occur with detection until a debugger
     //      is attached.  Although I've been guilty of the same anti-pattern

src/referencestrip.js

@@ -377,11 +377,13 @@ function loadPanels(strip, viewerSize, scroll){
                 tileSources:            [ strip.viewer.tileSources[ i ] ],
                 element:                element,
                 navigatorSizeRatio:     strip.sizeRatio,
-                minPixelRatio:          strip.minPixelRatio, 
                 showNavigator:          false,
                 mouseNavEnabled:        false,
                 showNavigationControl:  false,
-                showSequenceControl:    false
+                showSequenceControl:    false,
+                immediateRender:        true,
+                blendTime:              0,
+                animationTime:          0
             } ); 
 
             miniViewer.displayRegion           = $.makeNeutralElement( "textarea" );

src/tile.js

@@ -1,5 +1,5 @@
 (function( $ ){
-    
+    var TILE_CACHE       = {};
 /**
  * @class
  * @param {Number} level The zoom level this tile belongs to.
@@ -140,9 +140,11 @@ $.Tile.prototype = {
     drawCanvas: function( context ) {
 
         var position = this.position,
-            size     = this.size;
+            size     = this.size,
+            rendered,
+            canvas;
 
-        if ( !this.loaded || !this.image ) {
+        if ( !this.loaded || !( this.image || TILE_CACHE[ this.url ] ) ){
             $.console.warn(
                 "Attempting to draw tile %s when it's not yet loaded.",
                 this.toString()
@@ -151,13 +153,13 @@ $.Tile.prototype = {
         }
         context.globalAlpha = this.opacity;
 
-        context.save();
+        //context.save();
 
-        //if we are supposed to b rendering fully opaque rectangle,
+        //if we are supposed to be rendering fully opaque rectangle,
         //ie its done fading or fading is turned off, and if we are drawing
         //an image with an alpha channel, then the only way
         //to avoid seeing the tile underneath is to clear the rectangle
-        if( context.globalAlpha == 1 && this.image.src.match('.png') ){
+        if( context.globalAlpha == 1 && this.url.match('.png') ){
             //clearing only the inside of the rectangle occupied
             //by the png prevents edge flikering
             context.clearRect( 
@@ -169,9 +171,35 @@ $.Tile.prototype = {
 
         }
 
-        context.drawImage( this.image, position.x, position.y, size.x, size.y );
+        if( !TILE_CACHE[ this.url ] ){
+            canvas = document.createElement( 'canvas' );
+            canvas.width = this.image.width;
+            canvas.height = this.image.height;
+            rendered = canvas.getContext('2d');
+            rendered.drawImage( this.image, 0, 0 );
+            TILE_CACHE[ this.url ] = rendered;
+            //since we are caching the prerendered image on a canvas
+            //allow the image to not be held in memory
+            this.image = null;
+        }
 
-        context.restore();
+        rendered = TILE_CACHE[ this.url ];
+        
+        //rendered.save();
+        context.drawImage( 
+            rendered.canvas, 
+            0,
+            0, 
+            rendered.canvas.width, 
+            rendered.canvas.height, 
+            position.x, 
+            position.y, 
+            size.x, 
+            size.y 
+        );
+        //rendered.restore();
+
+        //context.restore();
     },
 
     /**
@@ -182,6 +210,9 @@ $.Tile.prototype = {
         if ( this.element && this.element.parentNode ) {
             this.element.parentNode.removeChild( this.element );
         } 
+        if ( TILE_CACHE[ this.url ]){
+            delete TILE_CACHE[ this.url ];
+        }
 
         this.element = null;
         this.image   = null;

src/tilesource.js

@@ -65,7 +65,7 @@ $.TileSource = function( width, height, tileSize, tileOverlap, minLevel, maxLeve
             height: args[1],
             tileSize: args[2],
             tileOverlap: args[3],
-            minlevel: args[4],
+            minLevel: args[4],
             maxLevel: args[5]
         };
     }
@@ -180,6 +180,24 @@ $.TileSource.prototype = {
         return new $.Point(rx, ry);
     },
 
+
+    /**
+     * @function
+     * @param {Number} level
+     */
+    getClosestLevel: function( rect ) {
+        var i,
+            tilesPerSide = Math.floor( Math.max( rect.x, rect.y ) / this.tileSize ),
+            tiles;
+        for( i = this.minLevel; i < this.maxLevel; i++ ){
+            tiles = this.getNumTiles( i );
+            if( Math.max( tiles.x, tiles.y ) + 1 >= tilesPerSide ){
+                break;
+            }
+        }
+        return Math.max( 0, i - 1 );
+    },
+
     /**
      * @function
      * @param {Number} level

src/viewer.js

@@ -128,7 +128,8 @@ $.Viewer = function( options ) {
         "lastZoomTime":      null,
         // did we decide this viewer has a sequence of tile sources
         "sequenced":         false,
-        "sequence":          0
+        "sequence":          0,
+        "onfullscreenchange": null
     };
 
     //Inherit some behaviors and properties
@@ -685,6 +686,7 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
             docStyle        = document.documentElement.style,
             containerStyle  = this.element.style,
             canvasStyle     = this.canvas.style,
+            _this           = this,
             oldBounds,
             newBounds,
             viewer,
@@ -697,6 +699,7 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
             return;
         }
 
+
         if ( fullPage ) {
             
             this.bodyOverflow   = bodyStyle.overflow;
@@ -744,21 +747,43 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
                     'class',
                     this.toolbar.element.className +" fullpage"
                 );
-                //this.toolbar.element.style.position = 'fixed';
-
-                //this.container.style.top = $.getElementSize(
-                //    this.toolbar.element
-                //).y + 'px';
             }
+            
             body.appendChild( this.element );
-            if( this.toolbar && this.toolbar.element ){
-                this.element.style.height = (
-                    $.getWindowSize().y - $.getElementSize( this.toolbar.element ).y
-                ) + 'px';
+            
+            if( $.supportsFullScreen ){
+                THIS[ this.hash ].onfullscreenchange = function( event ) {
+                    // The event object doesn't carry information about the 
+                    // fullscreen state of the browser, but it is possible to
+                    // retrieve it through the fullscreen API
+                    if( $.isFullScreen() ){
+                        _this.setFullPage( true );
+                    } else {
+                        _this.setFullPage( false );
+                    }
+                };
+
+                $.requestFullScreen( document.body );
+
+                // The target of the event is always the document,
+                // but it is possible to retrieve the fullscreen element through the API
+                // Note that the API is still vendor-prefixed in browsers implementing it
+                document.addEventListener(
+                    $.fullScreenEventName, 
+                    THIS[ this.hash ].onfullscreenchange
+                );
+                this.element.style.height = '100%';
+                this.element.style.width = '100%';
             }else{
                 this.element.style.height = $.getWindowSize().y + 'px';
-            }
                 this.element.style.width = $.getWindowSize().x + 'px';
+            }
+
+            if( this.toolbar && this.toolbar.element ){
+                this.element.style.height = (
+                    $.getElementSize( this.element ).y - $.getElementSize( this.toolbar.element ).y
+                ) + 'px';
+            }
 
             // mouse will be inside container now
             $.delegate( this, onContainerEnter )();
@@ -766,6 +791,14 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
 
         } else {
 
+            if( $.supportsFullScreen ){
+                document.removeEventListener( 
+                    $.fullScreenEventName, 
+                    THIS[ this.hash ].onfullscreenchange
+                );
+                $.cancelFullScreen( document );
+            }
+
             bodyStyle.overflow  = this.bodyOverflow;
             docStyle.overflow   = this.docOverflow;
 
@@ -816,6 +849,7 @@ $.extend( $.Viewer.prototype, $.EventHandler.prototype, $.ControlDock.prototype,
             // mouse will likely be outside now
             $.delegate( this, onContainerExit )();
 
+
         }
         this.raiseEvent( 'fullpage', { fullpage: fullPage, viewer: this } );
 

test/basic.js

@@ -0,0 +1,75 @@
+(function() {
+
+    var viewer = null;
+
+    // ----------
+    asyncTest('Open', function() {
+        $(document).ready(function() {
+            viewer = OpenSeadragon({
+                id:            'example',
+                prefixUrl:     '/build/openseadragon/images/',
+                tileSources:   '/test/data/testpattern.dzi', 
+                showNavigator:  true
+            });
+
+            ok(viewer, 'Viewer exists');
+
+            var openHandler = function(eventSender, eventData) {
+                viewer.removeHandler('open', openHandler);
+                ok(true, 'Open event was sent');
+                ok(eventSender === viewer, 'Sender of open event was viewer');
+                ok(eventData, 'Handler also received event data');
+                ok(viewer.viewport, 'Viewport exists');
+                start();
+            };
+
+            viewer.addHandler('open', openHandler);
+        });
+    });
+
+    // ----------
+    asyncTest('Zoom', function() {
+        var viewport = viewer.viewport;
+        ok(viewport.getZoom() === 1, 'We start out unzoomed');
+
+        var zoomHandler = function() {
+            viewer.removeHandler('animationfinish', zoomHandler);
+            ok(viewport.getZoom() === 2, 'Zoomed correctly');
+            start();
+        };
+
+        viewer.addHandler('animationfinish', zoomHandler);
+        viewport.zoomTo(2);
+    });
+
+    // ----------
+    asyncTest('Pan', function() {
+        var viewport = viewer.viewport;
+        var center = viewport.getCenter();
+        ok(center.x === 0.5 && center.y === 0.5, 'We start out unpanned');
+
+        var panHandler = function() {
+            viewer.removeHandler('animationfinish', panHandler);
+            center = viewport.getCenter();
+            ok(center.x === 0.1 && center.y === 0.1, 'Panned correctly');
+            start();
+        };
+
+        viewer.addHandler('animationfinish', panHandler);
+        viewport.panTo(new OpenSeadragon.Point(0.1, 0.1));
+    });
+
+    // ----------
+    asyncTest('Close', function() {
+        var closeHandler = function() {
+            viewer.removeHandler('close', closeHandler);
+            ok(true, 'Close event was sent');
+            start();
+        };
+
+        viewer.addHandler('close', closeHandler);
+
+        viewer.close();
+    });
+  
+})();

test/data/testpattern.dzi

@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><Image TileSize="254" Overlap="1" Format="jpg" xmlns="http://schemas.microsoft.com/deepzoom/2008"><Size Width="1000" Height="1000"/></Image>

test/test.html

@@ -11,7 +11,8 @@
     <div id="qunit-fixture"></div>
     <div id="example"></div>
     <script src="/node_modules/grunt-contrib-qunit/test/libs/qunit.js"></script>
+    <script src="/test/lib/jquery-1.9.1.min.js"></script>
     <script src="/build/openseadragon/openseadragon.min.js"></script>
-    <script src="/test/test.js"></script>
+    <script src="/test/basic.js"></script>
 </body>
 </html>

test/test.js

@@ -1,16 +0,0 @@
-test( "hello test", function() {
-    ok( 1 == "1", "Passed!" );
-});
-
-(function() {
-
-  // $(document).ready(function() {
-    // OpenSeadragon({
-    //     id:            "example",
-    //     prefixUrl:     "/images/",
-    //     tileSources:   "/test/dzi/dog-and-cat-collars.xml", 
-    //     showNavigator:  true
-    // });
-  // });
-  
-})();