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patch for recursive function call causing ie8 errors - oops. Also completed support for jsonp dzi format/protocol which is useful for running openseadragon from the filesystem as well, see main gh-pages index.html for example

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This commit is contained in:
thatcher 2012-04-12 13:20:24 -04:00
parent e595ad2381
commit 107a5efabf
2 changed files with 150 additions and 14 deletions
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82
openseadragon.js
View File

@ -773,6 +773,10 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
document.documentElement.scrollTop
);
};
} else {
$.getPageScroll = function(){
return new $.Point(0,0);
};
}
return $.getPageScroll();
@ -1283,7 +1287,11 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
// Install callback
window[ jsonpCallback ] = function( response ) {
if ( !previous ){
delete window[ jsonpCallback ];
try{
delete window[ jsonpCallback ];
}catch(e){
//swallow
}
} else {
window[ jsonpCallback ] = previous;
}
@ -1343,7 +1351,8 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
urlParts,
filename,
lastDot,
tilesUrl;
tilesUrl,
callbackName;
if( tileHost ){
@ -1384,11 +1393,23 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
callback( source, error );
}, 1);
} else {
$.makeAjaxRequest( xmlUrl, function( xhr ) {
var source = finish( processDZIResponse, xhr );
// call after finish sets error
callback( source, error );
});
if( xmlUrl.match(/\.js$/) ){
callbackName = xmlUrl.split( '/' ).pop().replace('.js','_dzi');
$.jsonp({
url: xmlUrl,
callbackName: callbackName,
callback: function( imageData ){
var source = finish( processDZIJSON, imageData.Image );
callback( source );
}
});
} else {
$.makeAjaxRequest( xmlUrl, function( xhr ) {
var source = finish( processDZIResponse, xhr );
// call after finish sets error
callback( source, error );
});
}
}
return null;
@ -1674,6 +1695,53 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
);
};
/**
* @private
* @inner
* @function
* @param {Element} imageNode
* @param {String} tilesUrl
*/
function processDZIJSON( imageData, tilesUrl ) {
var fileFormat = imageData.Format,
sizeData = imageData.Size,
dispRectData = imageData.DisplayRect || [],
width = parseInt( sizeData.Width ),
height = parseInt( sizeData.Height ),
tileSize = parseInt( imageData.TileSize ),
tileOverlap = parseInt( imageData.Overlap ),
dispRects = [],
rectData,
i;
if ( !imageFormatSupported( fileFormat ) ) {
throw new Error(
$.getString( "Errors.ImageFormat", fileFormat.toUpperCase() )
);
}
for ( i = 0; i < dispRectData.length; i++ ) {
rectData = dispRectData[ i ].Rect;
dispRects.push( new $.DisplayRect(
parseInt( rectData.X ),
parseInt( rectData.Y ),
parseInt( rectData.Width ),
parseInt( rectData.Height ),
0, // ignore MinLevel attribute, bug in Deep Zoom Composer
parseInt( rectData.MaxLevel )
));
}
return new $.DziTileSource(
width,
height,
tileSize,
tileOverlap,
tilesUrl,
fileFormat,
dispRects
);
};
/**
* @private
* @inner

82
src/openseadragon.js
View File

@ -773,6 +773,10 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
document.documentElement.scrollTop
);
};
} else {
$.getPageScroll = function(){
return new $.Point(0,0);
};
}
return $.getPageScroll();
@ -1283,7 +1287,11 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
// Install callback
window[ jsonpCallback ] = function( response ) {
if ( !previous ){
delete window[ jsonpCallback ];
try{
delete window[ jsonpCallback ];
}catch(e){
//swallow
}
} else {
window[ jsonpCallback ] = previous;
}
@ -1343,7 +1351,8 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
urlParts,
filename,
lastDot,
tilesUrl;
tilesUrl,
callbackName;
if( tileHost ){
@ -1384,11 +1393,23 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
callback( source, error );
}, 1);
} else {
$.makeAjaxRequest( xmlUrl, function( xhr ) {
var source = finish( processDZIResponse, xhr );
// call after finish sets error
callback( source, error );
});
if( xmlUrl.match(/\.js$/) ){
callbackName = xmlUrl.split( '/' ).pop().replace('.js','_dzi');
$.jsonp({
url: xmlUrl,
callbackName: callbackName,
callback: function( imageData ){
var source = finish( processDZIJSON, imageData.Image );
callback( source );
}
});
} else {
$.makeAjaxRequest( xmlUrl, function( xhr ) {
var source = finish( processDZIResponse, xhr );
// call after finish sets error
callback( source, error );
});
}
}
return null;
@ -1674,6 +1695,53 @@ OpenSeadragon = window.OpenSeadragon || function( options ){
);
};
/**
* @private
* @inner
* @function
* @param {Element} imageNode
* @param {String} tilesUrl
*/
function processDZIJSON( imageData, tilesUrl ) {
var fileFormat = imageData.Format,
sizeData = imageData.Size,
dispRectData = imageData.DisplayRect || [],
width = parseInt( sizeData.Width ),
height = parseInt( sizeData.Height ),
tileSize = parseInt( imageData.TileSize ),
tileOverlap = parseInt( imageData.Overlap ),
dispRects = [],
rectData,
i;
if ( !imageFormatSupported( fileFormat ) ) {
throw new Error(
$.getString( "Errors.ImageFormat", fileFormat.toUpperCase() )
);
}
for ( i = 0; i < dispRectData.length; i++ ) {
rectData = dispRectData[ i ].Rect;
dispRects.push( new $.DisplayRect(
parseInt( rectData.X ),
parseInt( rectData.Y ),
parseInt( rectData.Width ),
parseInt( rectData.Height ),
0, // ignore MinLevel attribute, bug in Deep Zoom Composer
parseInt( rectData.MaxLevel )
));
}
return new $.DziTileSource(
width,
height,
tileSize,
tileOverlap,
tilesUrl,
fileFormat,
dispRects
);
};
/**
* @private
* @inner