- xl = uint(scaling_factor * length_xl.inPixels(1, 1));
- yb = uint(scaling_factor * length_yb.inPixels(1, 1));
- xr = uint(scaling_factor * length_xr.inPixels(1, 1));
- yt = uint(scaling_factor * length_yt.inPixels(1, 1));
-
- if (xr <= xl || yt <= yb) {
- xl = 0;
- yb = 0;
- xr = 0;
- yt = 0;
+ unsigned int const xl_tmp =
+ uint(scaling_factor * length_xl.inPixels(1, 1));
+ unsigned int const yb_tmp =
+ uint(scaling_factor * length_yb.inPixels(1, 1));
+ unsigned int const xr_tmp =
+ uint(scaling_factor * length_xr.inPixels(1, 1));
+ unsigned int const yt_tmp =
+ uint(scaling_factor * length_yt.inPixels(1, 1));
+
+ if (xr <= xl || yt <= yb)