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/* $OpenBSD: wscons_rinit.c,v 1.4 1997/01/24 19:58:32 niklas Exp $ */
/* $NetBSD: wscons_rinit.c,v 1.3 1996/11/13 21:13:42 cgd Exp $ */
/*
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)rcons_font.c 8.1 (Berkeley) 6/11/93
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <dev/rcons/raster.h>
#include <alpha/wscons/wscons_raster.h>
#include <alpha/wscons/wscons_rfont.h>
void rcons_initfont __P((struct rcons *, struct raster_font *));
void rcons_initfont __P((struct rcons *, struct raster_font *));
void
rcons_initfont(rc, fp)
struct rcons *rc;
struct raster_font *fp;
{
static int initfontdone;
rc->rc_font = fp;
/* Get distance to top and bottom of font from font origin */
rc->rc_font_ascent = -(rc->rc_font->chars)['a'].homey;
#if !defined(MSBYTE_FIRST) && !defined(MSBIT_FIRST) /* XXX other cases */
/* swap byte order on font data. ick. */
if (!initfontdone) {
int ch, i, n, bit;
u_int32_t *pix, npix;
for (ch = 0; ch < 256; ch++) {
if (rc->rc_font->chars[ch].r == 0)
continue;
n = rc->rc_font->chars[ch].r->linelongs *
rc->rc_font->chars[ch].r->height;
pix = rc->rc_font->chars[ch].r->pixels;
for (i = 0; i < n; i++) {
npix = 0;
for (bit = 0; bit < 32; bit++)
if (pix[i] & (1 << bit))
npix |= (1 << (31 - bit));
pix[i] = npix;
}
}
}
#endif
initfontdone = 1;
}
void
rcons_init(rc, mrow, mcol)
struct rcons *rc;
int mrow, mcol;
{
struct raster *rp = rc->rc_sp;
int i;
rcons_initfont(rc, &gallant19);
i = rp->height / rc->rc_font->height;
rc->rc_maxrow = min(i, mrow);
i = rp->width / rc->rc_font->width;
rc->rc_maxcol = min(i, mcol);
/* Center emulator screen (but align x origin to 32 bits) */
rc->rc_xorigin =
((rp->width - rc->rc_maxcol * rc->rc_font->width) / 2) & ~0x1f;
rc->rc_yorigin =
(rp->height - rc->rc_maxrow * rc->rc_font->height) / 2;
/* Raster width used for row copies */
rc->rc_raswidth = rc->rc_maxcol * rc->rc_font->width;
if (rc->rc_raswidth & 0x1f) {
/* Pad to 32 bits */
i = (rc->rc_raswidth + 0x1f) & ~0x1f;
/* Make sure width isn't too wide */
if (rc->rc_xorigin + i <= rp->width)
rc->rc_raswidth = i;
}
rc->rc_ras_blank = RAS_CLEAR;
rc->rc_bits = 0;
/* If cursor position given, assume it's there and drawn. */
if (*rc->rc_crowp != -1 && *rc->rc_ccolp != -1)
rc->rc_bits |= RC_CURSOR;
}
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