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fg_coord_midpoint

Usage

   #include <fg.h>
   fg_coord_t far fg_coord_midpoint(fg_coord_t a, fg_coord_t b);

Description

   Returns the midpoint of two points on the same axis.

Example 


   fg_coord_t x_center, y_center;
   x_center = fg_coord_midpoint(fg.displaybox [FG_X2],
                                fg.displaybox [FG_X1]);
   y_center = fg_coord_midpoint(fg.displaybox [FG_Y2],
                                fg.displaybox [FG_Y1]);
   fg_drawdot(FG_WHITE, FG_MODE_SET, ~0, x_center, y_center);