1 /* $NetBSD: wscons_rinit.c,v 1.4 2001/11/13 06:17:46 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)rcons_font.c 8.1 (Berkeley) 6/11/93 45 */ 46 47 #include <sys/cdefs.h> 48 __KERNEL_RCSID(0, "$NetBSD: wscons_rinit.c,v 1.4 2001/11/13 06:17:46 lukem Exp $"); 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/device.h> 53 54 #include <dev/rcons/raster.h> 55 #include <dev/wscons/wscons_raster.h> 56 57 #include <dev/wscons/wscons_rfont.h> 58 59 void rcons_initfont(struct rcons *, struct raster_font *); 60 61 void 62 rcons_initfont(struct rcons *rc, struct raster_font *fp) 63 { 64 static int initfontdone; 65 66 rc->rc_font = fp; 67 68 /* Get distance to top and bottom of font from font origin */ 69 rc->rc_font_ascent = -(rc->rc_font->chars)['a'].homey; 70 71 #if !defined(MSBYTE_FIRST) && !defined(MSBIT_FIRST) /* XXX other cases */ 72 /* swap byte order on font data. ick. */ 73 if (!initfontdone) { 74 int ch, i, n, bit; 75 u_int32_t *pix, npix; 76 77 for (ch = 0; ch < 256; ch++) { 78 if (rc->rc_font->chars[ch].r == 0) 79 continue; 80 81 n = rc->rc_font->chars[ch].r->linelongs * 82 rc->rc_font->chars[ch].r->height; 83 pix = rc->rc_font->chars[ch].r->pixels; 84 85 for (i = 0; i < n; i++) { 86 npix = 0; 87 for (bit = 0; bit < 32; bit++) 88 if (pix[i] & (1 << bit)) 89 npix |= (1 << (31 - bit)); 90 pix[i] = npix; 91 } 92 } 93 } 94 #endif 95 96 initfontdone = 1; 97 } 98 99 void 100 rcons_init(struct rcons *rc, int mrow, int mcol) 101 { 102 struct raster *rp = rc->rc_sp; 103 int i; 104 105 rcons_initfont(rc, &gallant19); 106 107 i = rp->height / rc->rc_font->height; 108 rc->rc_maxrow = min(i, mrow); 109 110 i = rp->width / rc->rc_font->width; 111 rc->rc_maxcol = min(i, mcol); 112 113 /* Center emulator screen (but align x origin to 32 bits) */ 114 rc->rc_xorigin = 115 ((rp->width - rc->rc_maxcol * rc->rc_font->width) / 2) & ~0x1f; 116 rc->rc_yorigin = 117 (rp->height - rc->rc_maxrow * rc->rc_font->height) / 2; 118 119 /* Raster width used for row copies */ 120 rc->rc_raswidth = rc->rc_maxcol * rc->rc_font->width; 121 if (rc->rc_raswidth & 0x1f) { 122 /* Pad to 32 bits */ 123 i = (rc->rc_raswidth + 0x1f) & ~0x1f; 124 /* Make sure width isn't too wide */ 125 if (rc->rc_xorigin + i <= rp->width) 126 rc->rc_raswidth = i; 127 } 128 129 rc->rc_bits = 0; 130 131 /* If cursor position given, assume it's there and drawn. */ 132 if (*rc->rc_crowp != -1 && *rc->rc_ccolp != -1) 133 rc->rc_bits |= RC_CURSOR; 134 } 135