diff options
Diffstat (limited to 'contrib/ncurses/ncurses/base/lib_overlay.c')
-rw-r--r-- | contrib/ncurses/ncurses/base/lib_overlay.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/contrib/ncurses/ncurses/base/lib_overlay.c b/contrib/ncurses/ncurses/base/lib_overlay.c deleted file mode 100644 index 26314de..0000000 --- a/contrib/ncurses/ncurses/base/lib_overlay.c +++ /dev/null @@ -1,211 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998-2006,2007 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: lib_overlay.c,v 1.25 2008/04/12 17:21:59 tom Exp $") - -static int -overlap(const WINDOW *const src, WINDOW *const dst, int const flag) -{ - int rc = ERR; - int sx1, sy1, sx2, sy2; - int dx1, dy1, dx2, dy2; - int sminrow, smincol; - int dminrow, dmincol; - int dmaxrow, dmaxcol; - - T((T_CALLED("overlap(%p,%p,%d)"), src, dst, flag)); - - if (src != 0 && dst != 0) { - _nc_lock_window(src); - _nc_lock_window(dst); - - T(("src : begy %ld, begx %ld, maxy %ld, maxx %ld", - (long) src->_begy, - (long) src->_begx, - (long) src->_maxy, - (long) src->_maxx)); - T(("dst : begy %ld, begx %ld, maxy %ld, maxx %ld", - (long) dst->_begy, - (long) dst->_begx, - (long) dst->_maxy, - (long) dst->_maxx)); - - sx1 = src->_begx; - sy1 = src->_begy; - sx2 = sx1 + src->_maxx; - sy2 = sy1 + src->_maxy; - - dx1 = dst->_begx; - dy1 = dst->_begy; - dx2 = dx1 + dst->_maxx; - dy2 = dy1 + dst->_maxy; - - if (dx2 >= sx1 && dx1 <= sx2 && dy2 >= sy1 && dy1 <= sy2) { - sminrow = max(sy1, dy1) - sy1; - smincol = max(sx1, dx1) - sx1; - dminrow = max(sy1, dy1) - dy1; - dmincol = max(sx1, dx1) - dx1; - dmaxrow = min(sy2, dy2) - dy1; - dmaxcol = min(sx2, dx2) - dx1; - - rc = copywin(src, dst, - sminrow, smincol, - dminrow, dmincol, - dmaxrow, dmaxcol, - flag); - } - _nc_unlock_window(dst); - _nc_unlock_window(src); - } - returnCode(rc); -} - -/* -** -** overlay(win1, win2) -** -** -** overlay() writes the overlapping area of win1 behind win2 -** on win2 non-destructively. -** -**/ - -NCURSES_EXPORT(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. -** -**/ - -NCURSES_EXPORT(int) -overwrite(const WINDOW *win1, WINDOW *win2) -{ - T((T_CALLED("overwrite(%p,%p)"), win1, win2)); - returnCode(overlap(win1, win2, FALSE)); -} - -NCURSES_EXPORT(int) -copywin(const WINDOW *src, WINDOW *dst, - int sminrow, int smincol, - int dminrow, int dmincol, - int dmaxrow, int dmaxcol, - int over) -{ - int rc = ERR; - int sx, sy, dx, dy; - bool touched; - attr_t bk; - attr_t mask; - - 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) { - - _nc_lock_window(src); - _nc_lock_window(dst); - - bk = AttrOf(dst->_nc_bkgd); - mask = ~(attr_t) ((bk & A_COLOR) ? A_COLOR : 0); - - /* make sure rectangle exists in source */ - if ((sminrow + dmaxrow - dminrow) <= (src->_maxy + 1) && - (smincol + dmaxcol - dmincol) <= (src->_maxx + 1)) { - - T(("rectangle exists in source")); - - /* make sure rectangle fits in destination */ - if (dmaxrow <= dst->_maxy && dmaxcol <= dst->_maxx) { - - 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 ((CharOf(src->_line[sy].text[sx]) != L(' ')) && - (!CharEq(dst->_line[dy].text[dx], - src->_line[sy].text[sx]))) { - dst->_line[dy].text[dx] = - src->_line[sy].text[sx]; - SetAttr(dst->_line[dy].text[dx], - ((AttrOf(src->_line[sy].text[sx]) & - mask) | bk)); - touched = TRUE; - } - } else { - if (!CharEq(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, dminrow, (dmaxrow - dminrow + 1)); - } - } - T(("finished copywin")); - rc = OK; - } - } - _nc_unlock_window(dst); - _nc_unlock_window(src); - } - returnCode(rc); -} |