diff options
Diffstat (limited to 'ncurses-5.3/ncurses/base/lib_overlay.c')
| -rw-r--r-- | ncurses-5.3/ncurses/base/lib_overlay.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/ncurses-5.3/ncurses/base/lib_overlay.c b/ncurses-5.3/ncurses/base/lib_overlay.c deleted file mode 100644 index a0f4071..0000000 --- a/ncurses-5.3/ncurses/base/lib_overlay.c +++ /dev/null @@ -1,184 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998-2001,2002 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 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)"), s, d, flag)); - - if (s == 0 || d == 0) { - returnCode(ERR); - } else { - T(("src : begy %d, begx %d, maxy %d, maxx %d", - s->_begy, s->_begx, s->_maxy, s->_maxx)); - T(("dst : begy %d, begx %d, maxy %d, maxx %d", - d->_begy, d->_begx, d->_maxy, d->_maxx)); - - sx1 = s->_begx; - sy1 = s->_begy; - sx2 = sx1 + s->_maxx; - sy2 = sy1 + s->_maxy; - - dx1 = d->_begx; - dy1 = d->_begy; - dx2 = dx1 + d->_maxx; - dy2 = dy1 + d->_maxy; - - if (dx2 < sx1 || dx1 > sx2 || dy2 < sy1 || dy1 > sy2) { - returnCode(ERR); /* No intersection */ - } else { - 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; - - returnCode(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. -** -**/ - -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 sx, sy, dx, dy; - bool touched; - attr_t bk = AttrOf(dst->_nc_bkgd); - attr_t mask = ~(attr_t) ((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 ((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")); - returnCode(OK); -} |