osm 0.25: Enable scaled image filtering on 2v19+ firmware

apps/openstmap/ChangeLog

@@ -29,3 +29,4 @@
 0.22: Replace position marker with direction arrow
 0.23: Bugfix: Enable Compass if needed
 0.24: Allow zooming by clicking the screen
+0.25: Enable scaled image filtering on 2v19+ firmware

apps/openstmap/metadata.json

@@ -2,7 +2,7 @@
   "id": "openstmap",
   "name": "OpenStreetMap",
   "shortName": "OpenStMap",
-  "version": "0.24",
+  "version": "0.25",
   "description": "Loads map tiles from OpenStreetMap onto your Bangle.js and displays a map of where you are. Once installed this also adds map functionality to `GPS Recorder` and `Recorder` apps",
   "readme": "README.md",
   "icon": "app.png",

apps/openstmap/openstmap.js

@@ -52,6 +52,7 @@ exports.draw = function() {
     if (d!=1) { // if the two are different, add scaling
       s *= d;
       o.scale = d;
+      o.filter = true; // on 2v19+ enables supersampling
     }
     //console.log(ix,iy);
     var tx = 0|(ix/s);