gipy: fix for large files + size opt for prefix

apps/gipy/ChangeLog

@@ -128,3 +128,6 @@
 	* Touching the screen when sleeping will wake up but not change screen
 	* Removing footways (if bicycles not allowed) to reduce resource usage
 	* Switching screen will clear the screen immediately so you can know your screen touch has been received
+	
+0.24:
+	* Fix for loading very large files (> 65kb)

apps/gipy/TODO

@@ -1,5 +1,8 @@
 
 urgent TODO:
+	- check why there is a very large path on files extracted from maps2gpx
+
+medium TODO:
 
 - prefetch tiles ?
 - update documentation to reflect new display ?

apps/gipy/app.js

@@ -320,12 +320,7 @@ class Interests {
     let end = this.offsets.end_offset();
     this.binary_interests = new Uint8Array(end);
     let buffer = E.toArrayBuffer(s.read(filename, offset, end));
-    let binary_interests = Uint8Array(buffer, offset, end);
-    this.binary_interests = binary_interests;
-    //TODO: check we don't need copy anymore
-    // for (let i = 0; i < end; i++) {
-    //   this.binary_interests[i] = binary_interests[i];
-    // }
+    this.binary_interests = Uint8Array(buffer);
     offset += end;
     return [this, offset];
   }
@@ -803,9 +798,7 @@ class Status {
     displaying = true;
     g.clear();
     if (this.screen == MAP) {
-      console.log("displaying map");
       this.display_map();
-      console.log("done displaying map");
       if (this.position !== null) {
         // start_profiling();
         this.display_path();
@@ -1186,7 +1179,6 @@ function load_gps(filename) {
       interests = res[0];
       offset = res[1];
     } else if (block_type == 4) {
-      console.log("loading heights");
       let heights_number = path.points.length / 2;
       let buffer = E.toArrayBuffer(s.read(filename, offset, heights_number*2));
       heights = Int16Array(buffer);
@@ -1204,10 +1196,10 @@ class Path {
     let points_number = Uint16Array(E.toArrayBuffer(s.read(filename, offset, 2)))[0];
     offset += 2;
     let waypoints_len = Math.ceil(points_number / 8.0);
-    let buffer = E.toArrayBuffer(s.read(filename, offset, points_number * 2 + waypoints_len));
+    let buffer = E.toArrayBuffer(s.read(filename, offset, points_number * 16 + waypoints_len));
 
     // path points
-    this.points = Float64Array(buffer, 0, points_number);
+    this.points = Float64Array(buffer, 0, 2 * points_number);
     offset += 8 * points_number * 2;
 
     // path waypoints

apps/gipy/metadata.json

@@ -2,7 +2,7 @@
   "id": "gipy",
   "name": "Gipy",
   "shortName": "Gipy",
-  "version": "0.23",
+  "version": "0.24",
   "description": "Follow gpx files using the gps. Don't get lost in your bike trips and hikes.",
   "allow_emulator":false,
   "icon": "gipy.png",