move properties from layer/XYZ to layer/TileLayer

2012-06-21 12:41:43 +02:00
parent 5da8fc8d49
commit 5f1e53a0c9
4 changed files with 232 additions and 75 deletions
@@ -6,6 +6,169 @@ goog.require('ol.layer.Layer');
 * @constructor
 * @extends {ol.layer.Layer}
 */
-ol.layer.TileLayer = function() {};
+ol.layer.TileLayer = function() {
+
+    /**
+     * @protected
+     * @type {ol.Projection}
+     */
+    this.projection_ = null;
+
+    /**
+     * @private
+     * @type {ol.Bounds}
+     */
+    this.extent_ = null;
+
+    /**
+     * @protected
+     * @type {number}
+     */
+    this.tileWidth_ = 256;
+
+    /**
+     * @protected
+     * @type {number}
+     */
+    this.tileHeight_ = 256;
+
+    /**
+     * @protected
+     * @type {number|undefined}
+     */
+    this.tileOriginX_ = undefined;
+
+    /**
+     * @protected
+     * @type {number|undefined}
+     */
+    this.tileOriginY_ = undefined;
+
+    /**
+     * @private
+     * @type {string}
+     */
+    this.tileOriginCorner_ = 'bl';
+
+    /**
+     * @protected
+     * @type {Array.<number>}
+     */
+    this.resolutions_ = null;
+
+};

 goog.inherits(ol.layer.TileLayer, ol.layer.Layer);
+
+
+/**
+ * Get layer extent. Return null if the layer has no extent
+ * and no projection.
+ * @return {ol.UnreferencedBounds}
+ */
+ol.layer.TileLayer.prototype.getExtent = function() {
+    if (!goog.isNull(this.extent_)) {
+        return this.extent_;
+    }
+    if (!goog.isNull(this.projection_)) {
+        return this.projection_.getExtent();
+    }
+    return null;
+};
+
+/**
+ * Get tile origin.
+ * @return {Array.<number>}
+ */
+ol.layer.TileLayer.prototype.getTileOrigin = function() {
+    if (goog.isDef(this.tileOriginX_) &&
+        goog.isDef(this.tileOriginY_)) {
+        return [this.tileOriginX_, this.tileOriginY_];
+    }
+    var errmsg;
+    if (goog.isDef(this.tileOriginCorner_)) {
+        var extent = this.getExtent();
+        if (!goog.isNull(extent)) {
+            var tileOriginX, tileOriginY;
+            switch (this.tileOriginCorner_) {
+                case "tl":
+                    tileOriginX = extent.getMinX();
+                    tileOriginY = extent.getMaxY();
+                    break;
+                case "tr":
+                    tileOriginX = extent.getMaxX();
+                    tileOriginY = extent.getMaxY();
+                    break;
+                case "bl":
+                    tileOriginX = extent.getMinX();
+                    tileOriginY = extent.getMinY();
+                    break;
+                case "br":
+                    tileOriginX = extent.getMaxX();
+                    tileOriginY = extent.getMinY();
+                    break;
+                default:
+                    // FIXME user error
+                    goog.asserts.assert(false);
+            }
+            return [tileOriginX, tileOriginY];
+        }
+        // FIXME user error
+        goog.asserts.assert(false);
+    }
+    // FIXME user error
+    goog.asserts.assert(false);
+    return null;
+};
+
+/**
+ * Set layer projection.
+ * @param {ol.Projection} projection
+ */
+ol.layer.TileLayer.prototype.setProjection = function(projection) {
+    this.projection_ = projection;
+};
+
+/**
+ * Set layer extent.
+ * @param {ol.Bounds} extent
+ */
+ol.layer.TileLayer.prototype.setExtent = function(extent) {
+    this.extent_ = extent;
+};
+
+/**
+ * Set tile width and height.
+ * @param {number} width
+ * @param {number} height
+ */
+ol.layer.TileLayer.prototype.setTileSize = function(width, height) {
+    this.tileWidth_ = width;
+    this.tileHeight_ = height;
+};
+
+/**
+ * Set tile origin.
+ * @param {number} tileOriginX
+ * @param {number} tileOriginY
+ */
+ol.layer.TileLayer.prototype.setTileOrigin = function(tileOriginX, tileOriginY) {
+    this.tileOriginX_ = tileOriginX;
+    this.tileOriginY_ = tileOriginY;
+};
+
+/**
+ * Set tile origin corner.
+ * @param {string} tileOriginCorner
+ */
+ol.layer.TileLayer.prototype.setTileOriginCorner = function(tileOriginCorner) {
+    this.tileOriginCorner_ = tileOriginCorner;
+};
+
+/**
+ * Set resolutions for the layer.
+ * @param {Array.<number>} resolutions
+ */
+ol.layer.TileLayer.prototype.setResolutions = function(resolutions) {
+    this.resolutions_ = resolutions;
+};