Merge pull request #5790 from ahocevar/fix-pixelratio

Fix vector tile rotation on HiDPI devices

test_rendering/spec/ol/layer/vectortile.test.js

@@ -13,10 +13,11 @@ describe('ol.rendering.layer.VectorTile', function() {
 
   var target, map;
 
-  function createMap(renderer) {
+  function createMap(renderer, opt_pixelRatio) {
     target = createMapDiv(50, 50);
 
     map = new ol.Map({
+      pixelRatio: opt_pixelRatio,
       target: target,
       renderer: renderer,
       view: new ol.View({
@@ -79,6 +80,32 @@ describe('ol.rendering.layer.VectorTile', function() {
       });
     });
 
+    it('renders rotated view correctly with the canvas renderer', function(done) {
+      map = createMap('canvas');
+      map.getView().setRotation(Math.PI / 4);
+      waitForTiles(source, {}, function() {
+        expectResemble(map, 'spec/ol/layer/expected/vectortile-canvas-rotated.png',
+            13.4, done);
+      });
+    });
+
+    it('renders correctly with the canvas renderer (HiDPI)', function(done) {
+      map = createMap('canvas', 2);
+      waitForTiles(source, {}, function() {
+        expectResemble(map, 'spec/ol/layer/expected/vectortile-canvas-hidpi.png',
+            11.3, done);
+      });
+    });
+
+    it('renders rotated view correctly with the canvas renderer (HiDPI)', function(done) {
+      map = createMap('canvas', 2);
+      map.getView().setRotation(Math.PI / 4);
+      waitForTiles(source, {}, function() {
+        expectResemble(map, 'spec/ol/layer/expected/vectortile-canvas-rotated-hidpi.png',
+            14.8, done);
+      });
+    });
+
   });
 
 });