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/* Copyright (c) 2008, 2009
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Micah Cowan (micah@cowan.name)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Copyright (c) 1987 Oliver Laumann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, see
* https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
****************************************************************
* $Id$ GNU
*/
#ifndef SCREEN_IMAGE_H
#define SCREEN_IMAGE_H
#include <stdint.h>
/* structure representing single cell of terminal */
struct mchar {
uint32_t image; /* actual letter like a, b, c ... as Unicode code point */
uint32_t attr; /* attributes - bold, standout etc. */
uint32_t font; /* font :) */
uint32_t colorbg; /* background color */
uint32_t colorfg; /* foreground color */
uint32_t mbcs; /* used for multi byte character sets; TODO: possible to remove? use image now that it has 32 bits*/
};
struct mline {
uint32_t *image;
uint32_t *attr;
uint32_t *font;
uint32_t *colorbg;
uint32_t *colorfg;
};
#define save_mline(ml, n) { \
memmove(mline_old.image, (ml)->image, (n) * 4); \
memmove(mline_old.attr, (ml)->attr, (n) * 4); \
memmove(mline_old.font, (ml)->font, (n) * 4); \
memmove(mline_old.colorbg, (ml)->colorbg, (n) * 4); \
memmove(mline_old.colorfg, (ml)->colorfg, (n) * 4); \
}
#define copy_mline(ml, xf, xt, n) { \
memmove((ml)->image + (xt), (ml)->image + (xf), (n) * 4); \
memmove((ml)->attr + (xt), (ml)->attr + (xf), (n) * 4); \
memmove((ml)->font + (xt), (ml)->font + (xf), (n) * 4); \
memmove((ml)->colorbg + (xt), (ml)->colorbg + (xf), (n) * 4); \
memmove((ml)->colorfg + (xt), (ml)->colorfg + (xf), (n) * 4); \
}
#define clear_mline(ml, x, n) { \
memmove((ml)->image + (x), blank, (n) * 4); \
if ((ml)->attr != null) memset((ml)->attr + (x), 0, (n) * 4); \
if ((ml)->font != null) memset((ml)->font + (x), 0, (n) * 4); \
if ((ml)->colorbg != null) memset((ml)->colorbg + (x), 0, (n) * 4); \
if ((ml)->colorfg != null) memset((ml)->colorfg + (x), 0, (n) * 4); \
}
#define cmp_mline(ml1, ml2, x) ( \
(ml1)->image[x] == (ml2)->image[x] \
&& (ml1)->attr[x] == (ml2)->attr[x] \
&& (ml1)->font[x] == (ml2)->font[x] \
&& (ml1)->colorbg[x] == (ml2)->colorbg[x] \
&& (ml1)->colorfg[x] == (ml2)->colorfg[x] \
)
#define cmp_mchar(mc1, mc2) ( \
(mc1)->image == (mc2)->image \
&& (mc1)->attr == (mc2)->attr \
&& (mc1)->font == (mc2)->font \
&& (mc1)->colorbg == (mc2)->colorbg \
&& (mc1)->colorfg == (mc2)->colorfg \
)
#define cmp_mchar_mline(mc, ml, x) ( \
(mc)->image == (ml)->image[x] \
&& (mc)->attr == (ml)->attr[x] \
&& (mc)->font == (ml)->font[x] \
&& (mc)->colorbg == (ml)->colorbg[x] \
&& (mc)->colorfg == (ml)->colorfg[x] \
)
#define copy_mchar2mline(mc, ml, x) { \
(ml)->image[x] = (mc)->image; \
(ml)->attr[x] = (mc)->attr; \
(ml)->font[x] = (mc)->font; \
(ml)->colorbg[x] = (mc)->colorbg; \
(ml)->colorfg[x] = (mc)->colorfg; \
}
#define copy_mline2mchar(mc, ml, x) { \
(mc)->image = (ml)->image[x]; \
(mc)->attr = (ml)->attr[x]; \
(mc)->font = (ml)->font[x]; \
(mc)->colorbg = (ml)->colorbg[x]; \
(mc)->colorfg = (ml)->colorfg[x]; \
(mc)->mbcs = 0; \
}
enum {
REND_BELL = 0,
REND_MONITOR,
REND_SILENCE,
NUM_RENDS
};
#endif /* SCREEN_IMAGE_H */
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