Commit | Line | Data |
---|---|---|
421683f2 | 1 | # include "curses.ext" |
52f06ac3 | 2 | # include <ctype.h> |
b17f6be0 KA |
3 | |
4 | # define min(a,b) (a < b ? a : b) | |
52f06ac3 | 5 | # define max(a,b) (a > b ? a : b) |
b17f6be0 KA |
6 | |
7 | /* | |
8 | * This routine writes win1 on win2 destructively. | |
9 | * | |
52f06ac3 | 10 | * @(#)overwrite.c 1.4 (Berkeley) %G% |
b17f6be0 KA |
11 | */ |
12 | overwrite(win1, win2) | |
13 | reg WINDOW *win1, *win2; { | |
14 | ||
52f06ac3 JB |
15 | reg char *sp, *end; |
16 | reg int x, y, endy, endx, starty, startx; | |
b17f6be0 KA |
17 | |
18 | # ifdef DEBUG | |
52f06ac3 | 19 | fprintf(outf, "OVERWRITE(%0.2o, %0.2o);\n", win1, win2); |
b17f6be0 | 20 | # endif |
52f06ac3 JB |
21 | starty = max(win1->_begy, win2->_begy); |
22 | startx = max(win1->_begx, win2->_begx); | |
23 | endy = min(win1->_maxy + win1->_begy, win2->_maxy + win2->_begx); | |
24 | endx = min(win1->_maxx + win1->_begx, win2->_maxx + win2->_begx); | |
25 | if (starty >= endy || startx >= endx) | |
26 | return; | |
b17f6be0 | 27 | # ifdef DEBUG |
52f06ac3 | 28 | fprintf(outf, "OVERWRITE:from (%d,%d) to (%d,%d)\n", starty, startx, endy, endx); |
b17f6be0 | 29 | # endif |
52f06ac3 JB |
30 | x = endx - startx; |
31 | for (y = starty; y < endy; y++) { | |
32 | bcopy(&win1->_y[y - win1->_begy][startx - win1->_begx], | |
33 | &win2->_y[y - win2->_begy][startx - win2->_begx], x); | |
34 | touchline(win2, y, startx - win2->_begx, endx - win2->_begx); | |
35 | } | |
b17f6be0 | 36 | } |