/* $OpenBSD: wscons_rinit.c,v 1.10 2003/06/02 23:28:04 millert Exp $ */ /* $NetBSD: wscons_rinit.c,v 1.2 1998/05/14 20:49:56 drochner 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. 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 <dev/wscons/wscons_raster.h> #include <dev/wscons/wscons_rfont.h> void rcons_initfont(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; /* force decent minimums */ if (mrow < 25) { mrow = 25; } if (mcol < 80) { mcol = 80; } 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); if ( rc->rc_maxcol < 80 ) { /* font too big, try smaller font */ rcons_initfont(rc, &fontdata8x16); 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_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; }