move fill.js to fdm driver

app.js

@@ -267,11 +267,11 @@ const script = {
         "kiri/ui",
         "kiri/lang",
         "kiri/lang-en",
-        "kiri/fill",
         "kiri/db",
         "kiri/slice",
         "kiri/layers",
         "kiri/client",
+        "mode/fdm/fill",
         "mode/fdm/driver",
         "mode/fdm/client",
         "mode/sla/driver",
@@ -315,11 +315,11 @@ const script = {
         "geo/polygons",
         "geo/gyroid",
         "moto/pack",
-        "kiri/fill",
         "kiri/slice",
         "kiri/slicer",
         "kiri/slicer2",
         "kiri/layers",
+        "mode/fdm/fill",
         "mode/fdm/driver",
         "mode/fdm/slice",
         "mode/fdm/prepare",

src/kiri/export.js

@@ -31,10 +31,12 @@
     }
 
     function callExport(callback, mode) {
+        let alert = API.show.alert("Exporting");
         const gcode = [];
         KIRI.client.export(API.conf.get(), (line) => {
             gcode.push(line);
         }, (output) => {
+            API.hide.alert(alert);
             if (callback) {
                 callback(gcode.join('\r\n'), output);
             } else {

src/kiri/main.js

@@ -965,6 +965,7 @@
 
         hideSlider(true);
 
+        let alert = API.show.alert("Preparing Preview");
         let isCam = MODE === MODES.CAM, pMode = getMode();
 
         if (feature.preview) {
@@ -1007,6 +1008,7 @@
                 segtimes[`${segNumber++}_${lastMsg}`] = Date.now() - startTime;
             }
 
+            API.hide.alert(alert);
             API.show.progress(0);
             if (!isCam) setOpacity(0);
 

src/mode/fdm/fill.js

@@ -159,6 +159,8 @@
         let span_y = bounds.max.y - bounds.min.y;
         let density = target.density();
         let offset = target.offset() / 2;
+        let line = target.lineWidth();
+        let mf = Math.max(span_x, span_y) / line;
         let tile = 1 + (1 - density);
         let tile_xc = Math.ceil(span_x / tile);
         let tile_yc = Math.ceil(span_y / tile);