Fixed zoom in & zoom out issue

muaz-khan · Feb 5, 2020 · b7a000e · b7a000e
1 parent 590a62b
commit b7a000e
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/dev/zoom-handler.js b/dev/zoom-handler.js
@@ -1,11 +1,16 @@
 var zoomHandler = {
     scale: 1.0,
+    lastZoomState: null,
     up: function(e) {
+        this.scale = this.lastZoomState !== 'up' ? 1 : this.scale;
         this.scale += .01;
+        this.lastZoomState = 'up';
         this.apply();
     },
     down: function(e) {
+        this.scale = this.lastZoomState !== 'down' ? 1 : this.scale;
         this.scale -= .01;
+        this.lastZoomState = 'down';
         this.apply();
     },
     apply: function() {
@@ -20,7 +25,7 @@ var zoomHandler = {
         },
         down: function(ctx) {
             ctx.font = '22px Verdana';
-            ctx.strokeText('-', 15, 30);
+            ctx.strokeText('-', 10, 30);
         }
     }
 };