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wscons_rops.c revision 1.8
      1 /* $NetBSD: wscons_rops.c,v 1.8 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_subr.c	8.1 (Berkeley) 6/11/93
     45  */
     46 
     47 #include <sys/cdefs.h>
     48 __KERNEL_RCSID(0, "$NetBSD: wscons_rops.c,v 1.8 2001/11/13 06:17:46 lukem Exp $");
     49 
     50 #include <sys/param.h>
     51 #include <sys/device.h>
     52 
     53 #include <dev/rcons/raster.h>
     54 #include <dev/wscons/wscons_raster.h>
     55 #include <dev/wscons/wsdisplayvar.h>
     56 
     57 /*
     58  * Paint (or unpaint) the cursor.
     59  * Pays no lip service to hardware cursors.
     60  */
     61 void
     62 rcons_cursor(void *id, int on, int row, int col)
     63 {
     64 	struct rcons *rc = id;
     65 	int x, y;
     66 
     67 	/* turn the cursor off */
     68 	if (!on) {
     69 		/* make sure it's on */
     70 		if ((rc->rc_bits & RC_CURSOR) == 0)
     71 			return;
     72 
     73 		row = *rc->rc_crowp;
     74 		col = *rc->rc_ccolp;
     75 	} else {
     76 		/* unpaint the old copy. */
     77 		*rc->rc_crowp = row;
     78 		*rc->rc_ccolp = col;
     79 	}
     80 
     81 	x = col * rc->rc_font->width + rc->rc_xorigin;
     82 	y = row * rc->rc_font->height + rc->rc_yorigin;
     83 
     84 	raster_op(rc->rc_sp, x, y,
     85 #ifdef notdef
     86 	    /* XXX This is the right way but too slow */
     87 	    rc->rc_font->chars[(int)' '].r->width,
     88 	    rc->rc_font->chars[(int)' '].r->height,
     89 #else
     90 	    rc->rc_font->width, rc->rc_font->height,
     91 #endif
     92 	    RAS_INVERT,
     93 	    (struct raster *) 0, 0, 0);
     94 
     95 	rc->rc_bits ^= RC_CURSOR;
     96 }
     97 
     98 int
     99 rcons_mapchar(void *id, int uni, unsigned int *index)
    100 {
    101 
    102 	if (uni < 128) {
    103 		*index = uni;
    104 		return (5);
    105 	}
    106 	*index = ' ';
    107 	return (0);
    108 }
    109 
    110 /*
    111  * Actually write a string to the frame buffer.
    112  */
    113 void
    114 rcons_putchar(void *id, int row, int col, u_int uc, long attr)
    115 {
    116 	struct rcons *rc = id;
    117 	int x, y, op;
    118 	u_char help;
    119 
    120 	x = col * rc->rc_font->width + rc->rc_xorigin;
    121 	y = row * rc->rc_font->height + rc->rc_font_ascent + rc->rc_yorigin;
    122 
    123 	op = RAS_SRC;
    124 	if ((attr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
    125 		op = RAS_NOT(op);
    126 	help = uc & 0xff;
    127 	raster_textn(rc->rc_sp, x, y, op, rc->rc_font, &help, 1);
    128 }
    129 
    130 /*
    131  * Possibly change to white-on-black or black-on-white modes.
    132  */
    133 void
    134 rcons_invert(void *id, int inverted)
    135 {
    136 	struct rcons *rc = id;
    137 
    138 	if (((rc->rc_bits & RC_INVERT) != 0) ^ inverted) {
    139 		/* Invert the display */
    140 		raster_op(rc->rc_sp, 0, 0, rc->rc_sp->width, rc->rc_sp->height,
    141 		    RAS_INVERT, (struct raster *) 0, 0, 0);
    142 
    143 		/* Swap things around */
    144 		rc->rc_bits ^= RC_INVERT;
    145 	}
    146 }
    147 
    148 /*
    149  * Copy columns (characters) in a row (line).
    150  */
    151 void
    152 rcons_copycols(void *id, int row, int srccol, int dstcol, int ncols)
    153 {
    154 	struct rcons *rc = id;
    155 	int y, srcx, dstx, nx;
    156 
    157 	y = rc->rc_yorigin + rc->rc_font->height * row;
    158 	srcx = rc->rc_xorigin + rc->rc_font->width * srccol;
    159 	dstx = rc->rc_xorigin + rc->rc_font->width * dstcol;
    160 	nx = rc->rc_font->width * ncols;
    161 
    162 	raster_op(rc->rc_sp, dstx, y,
    163 	    nx, rc->rc_font->height, RAS_SRC,
    164 	    rc->rc_sp, srcx, y);
    165 }
    166 
    167 /*
    168  * Clear columns (characters) in a row (line).
    169  */
    170 void
    171 rcons_erasecols(void *id, int row, int startcol, int ncols, long fillattr)
    172 {
    173 	struct rcons *rc = id;
    174 	int y, startx, nx, op;
    175 
    176 	y = rc->rc_yorigin + rc->rc_font->height * row;
    177 	startx = rc->rc_xorigin + rc->rc_font->width * startcol;
    178 	nx = rc->rc_font->width * ncols;
    179 
    180 	op = RAS_CLEAR;
    181 	if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
    182 		op = RAS_NOT(op);
    183 	raster_op(rc->rc_sp, startx, y,
    184 	    nx, rc->rc_font->height, op,
    185 	    (struct raster *) 0, 0, 0);
    186 }
    187 
    188 /*
    189  * Copy rows (lines).
    190  */
    191 void
    192 rcons_copyrows(void *id, int srcrow, int dstrow, int nrows)
    193 {
    194 	struct rcons *rc = id;
    195 	int srcy, dsty, ny;
    196 
    197 	srcy = rc->rc_yorigin + rc->rc_font->height * srcrow;
    198 	dsty = rc->rc_yorigin + rc->rc_font->height * dstrow;
    199 	ny = rc->rc_font->height * nrows;
    200 
    201 	raster_op(rc->rc_sp, rc->rc_xorigin, dsty,
    202 	    rc->rc_raswidth, ny, RAS_SRC,
    203 	    rc->rc_sp, rc->rc_xorigin, srcy);
    204 }
    205 
    206 /*
    207  * Erase rows (lines).
    208  */
    209 void
    210 rcons_eraserows(void *id, int startrow, int nrows, long fillattr)
    211 {
    212 	struct rcons *rc = id;
    213 	int starty, ny, op;
    214 
    215 	starty = rc->rc_yorigin + rc->rc_font->height * startrow;
    216 	ny = rc->rc_font->height * nrows;
    217 
    218 	op = RAS_CLEAR;
    219 	if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
    220 		op = RAS_NOT(op);
    221 	raster_op(rc->rc_sp, rc->rc_xorigin, starty,
    222 	    rc->rc_raswidth, ny, op,
    223 	    (struct raster *) 0, 0, 0);
    224 }
    225 
    226 int
    227 rcons_alloc_attr(void *id, int fg, int bg, int flags, long *attrp)
    228 {
    229 	if (flags & (WSATTR_HILIT | WSATTR_BLINK |
    230 		     WSATTR_UNDERLINE | WSATTR_WSCOLORS))
    231 		return (EINVAL);
    232 	if (flags & WSATTR_REVERSE)
    233 		*attrp = 1;
    234 	else
    235 		*attrp = 0;
    236 	return (0);
    237 }
    238