s/TileBounds/TileRange/

2012-09-24 14:33:24 +02:00
parent f8c31ba45c
commit a416d1f601
10 changed files with 320 additions and 320 deletions
@@ -0,0 +1,113 @@
+goog.provide('ol.TileRange');
+
+goog.require('goog.asserts');
+goog.require('ol.Rectangle');
+goog.require('ol.TileCoord');
+
+
+
+/**
+ * @constructor
+ * @extends {ol.Rectangle}
+ * @param {number} minX Minimum X.
+ * @param {number} minY Minimum Y.
+ * @param {number} maxX Maximum X.
+ * @param {number} maxY Maximum Y.
+ */
+ol.TileRange = function(minX, minY, maxX, maxY) {
+  goog.base(this, minX, minY, maxX, maxY);
+};
+goog.inherits(ol.TileRange, ol.Rectangle);
+
+
+/**
+ * @param {...ol.TileCoord} var_args Tile coordinates.
+ * @return {!ol.TileRange} Bounding tile box.
+ */
+ol.TileRange.boundingTileRange = function(var_args) {
+  var tileCoord0 = arguments[0];
+  var tileRange = new ol.TileRange(tileCoord0.x, tileCoord0.y,
+                                   tileCoord0.x, tileCoord0.y);
+  var i;
+  for (i = 1; i < arguments.length; ++i) {
+    var tileCoord = arguments[i];
+    goog.asserts.assert(tileCoord.z == tileCoord0.z);
+    tileRange.minX = Math.min(tileRange.minX, tileCoord.x);
+    tileRange.minY = Math.min(tileRange.minY, tileCoord.y);
+    tileRange.maxX = Math.max(tileRange.maxX, tileCoord.x);
+    tileRange.maxY = Math.max(tileRange.maxY, tileCoord.y);
+  }
+  return tileRange;
+};
+
+
+/**
+ * @return {ol.TileRange} Clone.
+ */
+ol.TileRange.prototype.clone = function() {
+  return new ol.TileRange(this.minX, this.minY, this.maxX, this.maxY);
+};
+
+
+/**
+ * @param {ol.TileCoord} tileCoord Tile coordinate.
+ * @return {boolean} Contains tile coordinate.
+ */
+ol.TileRange.prototype.contains = function(tileCoord) {
+  return this.minX <= tileCoord.x && tileCoord.x <= this.maxX &&
+      this.minY <= tileCoord.y && tileCoord.y <= this.maxY;
+};
+
+
+/**
+ * @param {ol.TileRange} tileRange Tile range.
+ * @return {boolean} Contains.
+ */
+ol.TileRange.prototype.containsTileRange = function(tileRange) {
+  return this.minX <= tileRange.minX && tileRange.maxX <= this.maxX &&
+      this.minY <= tileRange.minY && tileRange.minY <= this.maxY;
+};
+
+
+/**
+ * @param {ol.TileRange} tileRange Tile range.
+ * @return {boolean} Equals.
+ */
+ol.TileRange.prototype.equals = function(tileRange) {
+  return this.minX == tileRange.minX && tileRange.maxX == this.maxX &&
+      this.minY == tileRange.minY && tileRange.minY == this.minY;
+};
+
+
+/**
+ * @param {number} z Z.
+ * @param {function(this: T, ol.TileCoord)} f Callback.
+ * @param {T=} opt_obj The object to be used for the value of 'this' within f.
+ * @template T
+ */
+ol.TileRange.prototype.forEachTileCoord = function(z, f, opt_obj) {
+  var x, y;
+  for (x = this.minX; x <= this.maxX; ++x) {
+    for (y = this.minY; y <= this.maxY; ++y) {
+      f.call(opt_obj, new ol.TileCoord(z, x, y));
+    }
+  }
+};
+
+
+/**
+ * @inheritDoc
+ * @return {number} Height.
+ */
+ol.TileRange.prototype.getHeight = function() {
+  return this.maxY - this.minY + 1;
+};
+
+
+/**
+ * @inheritDoc
+ * @return {number} Width.
+ */
+ol.TileRange.prototype.getWidth = function() {
+  return this.maxX - this.minX + 1;
+};