diff options
Diffstat (limited to 'ncurses-5.2/ncurses/base/lib_overlay.c')
| -rw-r--r-- | ncurses-5.2/ncurses/base/lib_overlay.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/ncurses-5.2/ncurses/base/lib_overlay.c b/ncurses-5.2/ncurses/base/lib_overlay.c deleted file mode 100644 index e57f6f0..0000000 --- a/ncurses-5.2/ncurses/base/lib_overlay.c +++ /dev/null @@ -1,161 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * - * * - * Permission is hereby granted, free of charge, to any person obtaining a * - * copy of this software and associated documentation files (the * - * "Software"), to deal in the Software without restriction, including * - * without limitation the rights to use, copy, modify, merge, publish, * - * distribute, distribute with modifications, sublicense, and/or sell * - * copies of the Software, and to permit persons to whom the Software is * - * furnished to do so, subject to the following conditions: * - * * - * The above copyright notice and this permission notice shall be included * - * in all copies or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * - * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * - * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - * * - * Except as contained in this notice, the name(s) of the above copyright * - * holders shall not be used in advertising or otherwise to promote the * - * sale, use or other dealings in this Software without prior written * - * authorization. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * - * and: Eric S. Raymond <esr@snark.thyrsus.com> * - ****************************************************************************/ - - -/* -** lib_overlay.c -** -** The routines overlay(), copywin(), and overwrite(). -** -*/ - -#include <curses.priv.h> - -MODULE_ID("$Id$") - -static int overlap(const WINDOW *const s, WINDOW *const d, int const flag) -{ -int sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol; - - T(("overlap : sby %d, sbx %d, smy %d, smx %d, dby %d, dbx %d, dmy %d, dmx %d", - s->_begy, s->_begx, s->_maxy, s->_maxx, - d->_begy, d->_begx, d->_maxy, d->_maxx)); - - if (!s || !d) - returnCode(ERR); - - sminrow = max(s->_begy, d->_begy) - s->_begy; - smincol = max(s->_begx, d->_begx) - s->_begx; - dminrow = max(s->_begy, d->_begy) - d->_begy; - dmincol = max(s->_begx, d->_begx) - d->_begx; - dmaxrow = min(s->_maxy+s->_begy, d->_maxy+d->_begy) - d->_begy; - dmaxcol = min(s->_maxx+s->_begx, d->_maxx+d->_begx) - d->_begx; - - return(copywin(s, d, - sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol, - flag)); -} - -/* -** -** overlay(win1, win2) -** -** -** overlay() writes the overlapping area of win1 behind win2 -** on win2 non-destructively. -** -**/ - -int overlay(const WINDOW *win1, WINDOW *win2) -{ - T((T_CALLED("overlay(%p,%p)"), win1, win2)); - returnCode(overlap(win1, win2, TRUE)); -} - -/* -** -** overwrite(win1, win2) -** -** -** overwrite() writes the overlapping area of win1 behind win2 -** on win2 destructively. -** -**/ - -int overwrite(const WINDOW *win1, WINDOW *win2) -{ - T((T_CALLED("overwrite(%p,%p)"), win1, win2)); - returnCode(overlap(win1, win2, FALSE)); -} - -int copywin(const WINDOW *src, WINDOW *dst, - int sminrow, int smincol, - int dminrow, int dmincol, int dmaxrow, int dmaxcol, - int over) -{ -int sx, sy, dx, dy; -bool touched; -chtype bk = AttrOf(dst->_bkgd); -chtype mask = ~(chtype)((bk&A_COLOR) ? A_COLOR : 0); - - T((T_CALLED("copywin(%p, %p, %d, %d, %d, %d, %d, %d, %d)"), - src, dst, sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol, over)); - - if (!src || !dst) - returnCode(ERR); - - /* make sure rectangle exists in source */ - if ((sminrow + dmaxrow - dminrow) > (src->_maxy + 1) || - (smincol + dmaxcol - dmincol) > (src->_maxx + 1)) { - returnCode(ERR); - } - - T(("rectangle exists in source")); - - /* make sure rectangle fits in destination */ - if (dmaxrow > dst->_maxy || dmaxcol > dst->_maxx) { - returnCode(ERR); - } - - T(("rectangle fits in destination")); - - for (dy = dminrow, sy = sminrow; dy <= dmaxrow; sy++, dy++) { - touched = FALSE; - for(dx=dmincol, sx=smincol; dx <= dmaxcol; sx++, dx++) - { - if (over) - { - if ((TextOf(src->_line[sy].text[sx]) != ' ') && - (dst->_line[dy].text[dx]!=src->_line[sy].text[sx])) - { - dst->_line[dy].text[dx] = - (src->_line[sy].text[sx] & mask) | bk; - touched = TRUE; - } - } - else { - if (dst->_line[dy].text[dx] != src->_line[sy].text[sx]) - { - dst->_line[dy].text[dx] = src->_line[sy].text[sx]; - touched = TRUE; - } - } - } - if (touched) - { - touchline(dst,0,getmaxy(dst)); - } - } - T(("finished copywin")); - returnCode(OK); -} |