GRASS Programmer's Manual  6.4.2(2012)
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Cont.c
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1 #include "driver.h"
2 #include "driverlib.h"
3 
4 void COM_Cont_abs(int x, int y)
5 {
6  DRV_draw_line(cur_x, cur_y, x, y);
7  cur_x = x;
8  cur_y = y;
9 }
10 
11 void COM_Cont_rel(int x, int y)
12 {
13  COM_Cont_abs(cur_x + x, cur_y + y);
14 }