Merge pull request #11378 from mike-000/patch-7

Fix imageSmoothing: false when ImageStatic is stretched to fit extent

rendering/cases/image-no-stretch-disable-smoothing/main.js

@@ -0,0 +1,29 @@
+import ImageLayer from '../../../src/ol/layer/Image.js';
+import Map from '../../../src/ol/Map.js';
+import Static from '../../../src/ol/source/ImageStatic.js';
+import View from '../../../src/ol/View.js';
+
+const source = new Static({
+  url: '/data/tiles/osm/5/5/12.png',
+  imageExtent: [-123, 37, -122, 38],
+  imageSmoothing: false,
+});
+
+new Map({
+  pixelRatio: 1,
+  target: 'map',
+  layers: [
+    new ImageLayer({
+      source: source,
+    }),
+  ],
+  view: new View({
+    center: [-122.39, 37.81],
+    zoom: 12,
+    projection: 'EPSG:4326',
+  }),
+});
+
+render({
+  tolerance: 0.001,
+});

rendering/cases/image-stretched-disable-smoothing/main.js

@@ -19,7 +19,7 @@ new Map({
     }),
   ],
   view: new View({
-    center: fromLonLat([-122.416667, 37.783333]),
+    center: fromLonLat([-122.39, 37.81]),
     zoom: 12,
   }),
 });

rendering/cases/reproj-image-no-stretch-disable-smoothing/main.js

@@ -0,0 +1,30 @@
+import ImageLayer from '../../../src/ol/layer/Image.js';
+import Map from '../../../src/ol/Map.js';
+import Static from '../../../src/ol/source/ImageStatic.js';
+import View from '../../../src/ol/View.js';
+import {fromLonLat} from '../../../src/ol/proj.js';
+
+const source = new Static({
+  url: '/data/tiles/osm/5/5/12.png',
+  imageExtent: [-123, 37, -122, 38],
+  imageSmoothing: false,
+  projection: 'EPSG:4326',
+});
+
+new Map({
+  pixelRatio: 1,
+  target: 'map',
+  layers: [
+    new ImageLayer({
+      source: source,
+    }),
+  ],
+  view: new View({
+    center: fromLonLat([-122.39, 37.81]),
+    zoom: 12,
+  }),
+});
+
+render({
+  tolerance: 0.001,
+});

rendering/cases/reproj-image-stretched-disable-smoothing/main.js

@@ -20,7 +20,7 @@ new Map({
     }),
   ],
   view: new View({
-    center: [-122.416667, 37.783333],
+    center: [-122.39, 37.81],
     zoom: 12,
     projection: 'EPSG:4326',
   }),

src/ol/source/ImageStatic.js

@@ -6,6 +6,7 @@ import EventType from '../events/EventType.js';
 import ImageSource, {defaultImageLoadFunction} from './Image.js';
 import ImageState from '../ImageState.js';
 import ImageWrapper from '../Image.js';
+import {assign} from '../obj.js';
 import {createCanvasContext2D} from '../dom.js';
 import {getHeight, getWidth, intersects} from '../extent.js';
 import {get as getProjection} from '../proj.js';
@@ -138,6 +139,7 @@ class Static extends ImageSource {
       const targetWidth = Math.ceil(getWidth(imageExtent) / resolution);
       if (targetWidth != imageWidth) {
         const context = createCanvasContext2D(targetWidth, imageHeight);
+        assign(context, this.getContextOptions());
         const canvas = context.canvas;
         context.drawImage(
           image,