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diff --git a/misc/openlayers/lib/OpenLayers/Layer/Zoomify.js b/misc/openlayers/lib/OpenLayers/Layer/Zoomify.js
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-/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
- * full list of contributors). Published under the 2-clause BSD license.
- * See license.txt in the OpenLayers distribution or repository for the
- * full text of the license. */
-
-/*
- * Development supported by a R&D grant DC08P02OUK006 - Old Maps Online
- * (www.oldmapsonline.org) from Ministry of Culture of the Czech Republic.
- */
-
-
-/**
- * @requires OpenLayers/Layer/Grid.js
- */
-
-/**
- * Class: OpenLayers.Layer.Zoomify
- *
- * Inherits from:
- * - <OpenLayers.Layer.Grid>
- */
-OpenLayers.Layer.Zoomify = OpenLayers.Class(OpenLayers.Layer.Grid, {
-
- /**
- * Property: size
- * {<OpenLayers.Size>} The Zoomify image size in pixels.
- */
- size: null,
-
- /**
- * APIProperty: isBaseLayer
- * {Boolean}
- */
- isBaseLayer: true,
-
- /**
- * Property: standardTileSize
- * {Integer} The size of a standard (non-border) square tile in pixels.
- */
- standardTileSize: 256,
-
- /**
- * Property: tileOriginCorner
- * {String} This layer uses top-left as tile origin
- **/
- tileOriginCorner: "tl",
-
- /**
- * Property: numberOfTiers
- * {Integer} Depth of the Zoomify pyramid, number of tiers (zoom levels)
- * - filled during Zoomify pyramid initialization.
- */
- numberOfTiers: 0,
-
- /**
- * Property: tileCountUpToTier
- * {Array(Integer)} Number of tiles up to the given tier of pyramid.
- * - filled during Zoomify pyramid initialization.
- */
- tileCountUpToTier: null,
-
- /**
- * Property: tierSizeInTiles
- * {Array(<OpenLayers.Size>)} Size (in tiles) for each tier of pyramid.
- * - filled during Zoomify pyramid initialization.
- */
- tierSizeInTiles: null,
-
- /**
- * Property: tierImageSize
- * {Array(<OpenLayers.Size>)} Image size in pixels for each pyramid tier.
- * - filled during Zoomify pyramid initialization.
- */
- tierImageSize: null,
-
- /**
- * Constructor: OpenLayers.Layer.Zoomify
- *
- * Parameters:
- * name - {String} A name for the layer.
- * url - {String} - Relative or absolute path to the image or more
- * precisly to the TileGroup[X] directories root.
- * Flash plugin use the variable name "zoomifyImagePath" for this.
- * size - {<OpenLayers.Size>} The size (in pixels) of the image.
- * options - {Object} Hashtable of extra options to tag onto the layer
- */
- initialize: function(name, url, size, options) {
-
- // initilize the Zoomify pyramid for given size
- this.initializeZoomify(size);
-
- OpenLayers.Layer.Grid.prototype.initialize.apply(this, [
- name, url, size, {}, options
- ]);
- },
-
- /**
- * Method: initializeZoomify
- * It generates constants for all tiers of the Zoomify pyramid
- *
- * Parameters:
- * size - {<OpenLayers.Size>} The size of the image in pixels
- *
- */
- initializeZoomify: function( size ) {
-
- var imageSize = size.clone();
- this.size = size.clone();
- var tiles = new OpenLayers.Size(
- Math.ceil( imageSize.w / this.standardTileSize ),
- Math.ceil( imageSize.h / this.standardTileSize )
- );
-
- this.tierSizeInTiles = [tiles];
- this.tierImageSize = [imageSize];
-
- while (imageSize.w > this.standardTileSize ||
- imageSize.h > this.standardTileSize ) {
-
- imageSize = new OpenLayers.Size(
- Math.floor( imageSize.w / 2 ),
- Math.floor( imageSize.h / 2 )
- );
- tiles = new OpenLayers.Size(
- Math.ceil( imageSize.w / this.standardTileSize ),
- Math.ceil( imageSize.h / this.standardTileSize )
- );
- this.tierSizeInTiles.push( tiles );
- this.tierImageSize.push( imageSize );
- }
-
- this.tierSizeInTiles.reverse();
- this.tierImageSize.reverse();
-
- this.numberOfTiers = this.tierSizeInTiles.length;
- var resolutions = [1];
- this.tileCountUpToTier = [0];
- for (var i = 1; i < this.numberOfTiers; i++) {
- resolutions.unshift(Math.pow(2, i));
- this.tileCountUpToTier.push(
- this.tierSizeInTiles[i-1].w * this.tierSizeInTiles[i-1].h +
- this.tileCountUpToTier[i-1]
- );
- }
- if (!this.serverResolutions) {
- this.serverResolutions = resolutions;
- }
- },
-
- /**
- * APIMethod:destroy
- */
- destroy: function() {
- // for now, nothing special to do here.
- OpenLayers.Layer.Grid.prototype.destroy.apply(this, arguments);
-
- // Remove from memory the Zoomify pyramid - is that enough?
- this.tileCountUpToTier.length = 0;
- this.tierSizeInTiles.length = 0;
- this.tierImageSize.length = 0;
-
- },
-
- /**
- * APIMethod: clone
- *
- * Parameters:
- * obj - {Object}
- *
- * Returns:
- * {<OpenLayers.Layer.Zoomify>} An exact clone of this <OpenLayers.Layer.Zoomify>
- */
- clone: function (obj) {
-
- if (obj == null) {
- obj = new OpenLayers.Layer.Zoomify(this.name,
- this.url,
- this.size,
- this.options);
- }
-
- //get all additions from superclasses
- obj = OpenLayers.Layer.Grid.prototype.clone.apply(this, [obj]);
-
- // copy/set any non-init, non-simple values here
-
- return obj;
- },
-
- /**
- * Method: getURL
- *
- * Parameters:
- * bounds - {<OpenLayers.Bounds>}
- *
- * Returns:
- * {String} A string with the layer's url and parameters and also the
- * passed-in bounds and appropriate tile size specified as
- * parameters
- */
- getURL: function (bounds) {
- bounds = this.adjustBounds(bounds);
- var res = this.getServerResolution();
- var x = Math.round((bounds.left - this.tileOrigin.lon) / (res * this.tileSize.w));
- var y = Math.round((this.tileOrigin.lat - bounds.top) / (res * this.tileSize.h));
- var z = this.getZoomForResolution( res );
-
- var tileIndex = x + y * this.tierSizeInTiles[z].w + this.tileCountUpToTier[z];
- var path = "TileGroup" + Math.floor( (tileIndex) / 256 ) +
- "/" + z + "-" + x + "-" + y + ".jpg";
- var url = this.url;
- if (OpenLayers.Util.isArray(url)) {
- url = this.selectUrl(path, url);
- }
- return url + path;
- },
-
- /**
- * Method: getImageSize
- * getImageSize returns size for a particular tile. If bounds are given as
- * first argument, size is calculated (bottom-right tiles are non square).
- *
- */
- getImageSize: function() {
- if (arguments.length > 0) {
- var bounds = this.adjustBounds(arguments[0]);
- var res = this.getServerResolution();
- var x = Math.round((bounds.left - this.tileOrigin.lon) / (res * this.tileSize.w));
- var y = Math.round((this.tileOrigin.lat - bounds.top) / (res * this.tileSize.h));
- var z = this.getZoomForResolution( res );
- var w = this.standardTileSize;
- var h = this.standardTileSize;
- if (x == this.tierSizeInTiles[z].w -1 ) {
- var w = this.tierImageSize[z].w % this.standardTileSize;
- }
- if (y == this.tierSizeInTiles[z].h -1 ) {
- var h = this.tierImageSize[z].h % this.standardTileSize;
- }
- return (new OpenLayers.Size(w, h));
- } else {
- return this.tileSize;
- }
- },
-
- /**
- * APIMethod: setMap
- * When the layer is added to a map, then we can fetch our origin
- * (if we don't have one.)
- *
- * Parameters:
- * map - {<OpenLayers.Map>}
- */
- setMap: function(map) {
- OpenLayers.Layer.Grid.prototype.setMap.apply(this, arguments);
- this.tileOrigin = new OpenLayers.LonLat(this.map.maxExtent.left,
- this.map.maxExtent.top);
- },
-
- CLASS_NAME: "OpenLayers.Layer.Zoomify"
-});
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 19:36:31 +0000