Remove broken OpenLayers.Layer.Canvas. This hasn't worked for 4 releases, and

future development should be put into a Canvas Renderer for the vector layer. 


git-svn-id: http://svn.openlayers.org/trunk/openlayers@3421 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers.js

@@ -90,7 +90,6 @@ if (typeof(_OPENLAYERS_SFL_) == "undefined") {
         "OpenLayers/Layer/WMS/Untiled.js",
         "OpenLayers/Layer/GeoRSS.js",
         "OpenLayers/Layer/Boxes.js",
-        "OpenLayers/Layer/Canvas.js",
         "OpenLayers/Layer/TMS.js",
         "OpenLayers/Popup/Anchored.js",
         "OpenLayers/Popup/AnchoredBubble.js",

lib/OpenLayers/Layer/Canvas.js

@@ -1,120 +0,0 @@
-/* Copyright (c) 2006 MetaCarta, Inc., published under a modified BSD license.
- * See http://svn.openlayers.org/trunk/openlayers/repository-license.txt 
- * for the full text of the license. */
-
-
-/**
- * @class
- * 
- * @requires OpenLayers/Layer.js
- */
-OpenLayers.Layer.Canvas = OpenLayers.Class.create();
-OpenLayers.Layer.Canvas.prototype = 
-  OpenLayers.Class.inherit( OpenLayers.Layer, {
-    
-    /** Canvas layer is never a base layer. 
-     * 
-     * @type Boolean
-     */
-    isBaseLayer: false,
-    isFixed: true, 
-    /** internal marker list
-    * @type Array(OpenLayers.Marker) */
-    canvas: null,
-
-    lines: new Array(),
-    
-    /**
-    * @constructor
-    *
-    * @param {String} name
-    * @param {Object} options Hashtable of extra options to tag onto the layer
-    */
-    initialize: function(name, options) {
-        OpenLayers.Layer.prototype.initialize.apply(this, arguments);
-    },
-    
-    /**
-     * 
-     */
-    destroy: function() {
-        // xxx actually destroy the canvas to scavenge ram?
-        canvas = null;
-        OpenLayers.Layer.prototype.destroy.apply(this, arguments);
-    },
-
-    
-    /** 
-     * @param {OpenLayers.Bounds} bounds
-     * @param {Boolean} zoomChanged
-     * @param {Boolean} dragging
-     */
-    moveTo:function(bounds, zoomChanged, dragging) {
-        OpenLayers.Layer.prototype.moveTo.apply(this, arguments);
-
-        this.redraw();
-    },
-
-    setStrokeColor: function(color) {
-        var ctx = this.canvas.getContext("2d");
-        ctx.strokeStyle = color;
-    },
-    setStrokeWidth: function(width) {
-        var ctx = this.canvas.getContext("2d");
-        ctx.lineWidth = width;
-    },
-    setAlpha: function(alpha) {
-        var ctx = this.canvas.getContext("2d");
-        ctx.globalAlpha = alpha;
-    },
-    /**
-     * 
-     */
-    clearCanvas: function() {
-        if(this.canvas != null) {
-          this.canvas.getContext("2d").clearRect(0,0,this.map.getSize().w, this.map.getSize().h);
-          // xxx use real width and height
-        }
-    },
-
-    drawLine: function(start, end) {
-        var ctx = this.canvas.getContext("2d");
-        this.addLine(start, end);
-        this.lines.push(new Array(start,end, ctx.strokeStyle, ctx.lineWidth, ctx.globalAlpha));
-    },
-    addLine: function(start, end) {
-        var ctx = this.canvas.getContext("2d");
-        var startpx = this.map.getPixelFromLonLat(start);
-        var endpx = this.map.getPixelFromLonLat(end);
-        ctx.beginPath();
-        ctx.moveTo(startpx.x, startpx.y);
-        ctx.lineTo(endpx.x, endpx.y);
-        ctx.closePath();
-        ctx.stroke();
-    },
-    
-    /** clear all the marker div's from the layer and then redraw all of them.
-    *    Use the map to recalculate new placement of markers.
-    */
-    redraw: function() {
-        // xxx rebuild the canvas if smaller than the view
-        // xxx may wish to overside the canvas with overflow=hidden by default
-        if(!this.canvas) {
-          this.canvas = document.createElement("CANVAS");
-          this.canvas.setAttribute("width",this.map.getSize().w);
-          this.canvas.setAttribute("height",this.map.getSize().h);
-          this.div.appendChild(this.canvas);
-        } else {
-            this.clearCanvas();
-        }
-        for(var i=0; i < this.lines.length; i++) {
-            this.setStrokeColor(this.lines[i][2]);
-            this.setStrokeWidth(this.lines[i][3]);
-            this.setAlpha(this.lines[i][4]);
-            this.addLine(this.lines[i][0], this.lines[i][1]);
-        }    
-    },
-
-    /** @final @type String */
-    CLASS_NAME: "OpenLayers.Layer.Canvas"
-});