Add a method to scale geometries

2016-08-04 10:23:00 -06:00
parent f50f1f401c
commit 795cee876e
8 changed files with 184 additions and 0 deletions
@@ -129,6 +129,31 @@ describe('ol.geom.Point', function() {

  });

+  describe('#scale()', function() {
+
+    it('scales a point', function() {
+      var geom = new ol.geom.Point([1, 2]);
+      geom.scale(10e6);
+      var coordinates = geom.getCoordinates();
+      expect(coordinates).to.eql([1, 2]);
+    });
+
+    it('accepts sx and sy', function() {
+      var geom = new ol.geom.Point([1, 2]);
+      geom.scale(1e6, -42);
+      var coordinates = geom.getCoordinates();
+      expect(coordinates).to.eql([1, 2]);
+    });
+
+    it('accepts an anchor', function() {
+      var geom = new ol.geom.Point([1, 2]);
+      geom.scale(10, 15, [0, 0]);
+      var coordinates = geom.getCoordinates();
+      expect(coordinates).to.eql([10, 30]);
+    });
+
+  });
+
  describe('#applyTransform()', function() {

    var point, transform;