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Annotation of 42BSD/usr.lib/lib2648/line.c, revision 1.1.1.1

1.1       root        1: /*     line.c  4.1     83/03/09        */
                      2: /*
                      3:  * line: draw a line from point 1 to point 2.
                      4:  */
                      5: 
                      6: #include "2648.h"
                      7: 
                      8: line(x1, y1, x2, y2)
                      9: int x1, y1, x2, y2;
                     10: {
                     11: #ifdef TRACE
                     12:        if (trace)
                     13:                fprintf(trace, "line((%d, %d), (%d, %d)),", x1, y1, x2, y2);
                     14: #endif
                     15:        if (x1==_penx && y1==_peny) {
                     16:                /*
                     17:                 * Get around a bug in the HP terminal where one point
                     18:                 * lines don't get drawn more than once.
                     19:                 */
                     20:                move(x1, y1+1);
                     21:                sync();
                     22:        }
                     23:        move(x1, y1);
                     24:        draw(x2, y2);
                     25: }

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