Prevent zero division

Author: linev

modules/gpad/TPadPainter.mjs

@@ -1695,14 +1695,14 @@ class TPadPainter extends ObjectPainter {
       r.ux1 = func(main.logx, r.ux1, 0);
       r.ux2 = func(main.logx, r.ux2, 1);
 
-      let k = (r.ux2 - r.ux1)/frect.width;
+      let k = (r.ux2 - r.ux1)/(frect.width || 10);
       r.px1 = r.ux1 - k*frect.x;
       r.px2 = r.px1 + k*this.getPadWidth();
 
       r.uy1 = func(main.logy, r.uy1, 0);
       r.uy2 = func(main.logy, r.uy2, 1);
 
-      k = (r.uy2 - r.uy1)/frect.height;
+      k = (r.uy2 - r.uy1)/(frect.height || 10);
       r.py1 = r.uy1 - k*frect.y;
       r.py2 = r.py1 + k*this.getPadHeight();