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132 lines
2.7 KiB
C
132 lines
2.7 KiB
C
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/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for *
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* details. If they are missing then this copy is in violation of *
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* the copyright conditions. */
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/*
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** lib_box.c
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**
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** line drawing routines:
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** wborder()
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** whline()
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** wvline()
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**
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*/
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#include "curses.priv.h"
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int wborder(WINDOW *win, chtype ls, chtype rs, chtype ts,
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chtype bs, chtype tl, chtype tr, chtype bl, chtype br)
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{
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int i;
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int endx, endy;
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T(("wborder() called"));
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if (ls == 0) ls = ACS_VLINE;
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if (rs == 0) rs = ACS_VLINE;
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if (ts == 0) ts = ACS_HLINE;
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if (bs == 0) bs = ACS_HLINE;
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if (tl == 0) tl = ACS_ULCORNER;
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if (tr == 0) tr = ACS_URCORNER;
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if (bl == 0) bl = ACS_LLCORNER;
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if (br == 0) br = ACS_LRCORNER;
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ls = _nc_render(win, ls);
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rs = _nc_render(win, rs);
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ts = _nc_render(win, ts);
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bs = _nc_render(win, bs);
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tl = _nc_render(win, tl);
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tr = _nc_render(win, tr);
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bl = _nc_render(win, bl);
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br = _nc_render(win, br);
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T(("using %x, %x, %x, %x, %x, %x, %x, %x", ls, rs, ts, bs, tl, tr, bl, br));
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endx = win->_maxx;
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endy = win->_maxy;
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for (i = 0; i <= endx; i++) {
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win->_line[0][i] = ts;
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win->_line[endy][i] = bs;
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}
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win->_firstchar[endy] = win->_firstchar[0] = 0;
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win->_lastchar[endy] = win->_lastchar[0] = endx;
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for (i = 0; i <= endy; i++) {
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win->_line[i][0] = ls;
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win->_line[i][endx] = rs;
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win->_firstchar[i] = 0;
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win->_lastchar[i] = endx;
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}
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win->_line[0][0] = tl;
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win->_line[0][endx] = tr;
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win->_line[endy][0] = bl;
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win->_line[endy][endx] = br;
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#if 0
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if (! win->_scroll && (win->_flags & _SCROLLWIN))
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fp[0] = fp[endx] = lp[0] = lp[endx] = ' ';
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#endif
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return OK;
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}
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int whline(WINDOW *win, chtype ch, int n)
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{
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int line;
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int start;
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int end;
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T(("whline(%x,%x,%d) called", win, ch, n));
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line = win->_cury;
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start = win->_curx;
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end = start + n - 1;
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if (end > win->_maxx)
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end = win->_maxx;
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if (win->_firstchar[line] == _NOCHANGE || win->_firstchar[line] > start)
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win->_firstchar[line] = start;
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if (win->_lastchar[line] == _NOCHANGE || win->_lastchar[line] < start)
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win->_lastchar[line] = end;
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if (ch == 0)
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ch = ACS_HLINE;
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while ( end >= start) {
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win->_line[line][end] = ch | win->_attrs;
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end--;
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}
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return OK;
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}
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int wvline(WINDOW *win, chtype ch, int n)
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{
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int row, col;
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int end;
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T(("wvline(%x,%x,%d) called", win, ch, n));
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row = win->_cury;
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col = win->_curx;
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end = row + n - 1;
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if (end > win->_maxy)
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end = win->_maxy;
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if (ch == 0)
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ch = ACS_VLINE;
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while(end >= row) {
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win->_line[end][col] = ch | win->_attrs;
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if (win->_firstchar[end] == _NOCHANGE || win->_firstchar[end] > col)
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win->_firstchar[end] = col;
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if (win->_lastchar[end] == _NOCHANGE || win->_lastchar[end] < col)
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win->_lastchar[end] = col;
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end--;
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}
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return OK;
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}
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