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wscons_rops.c revision 1.6
      1 /* $NetBSD: wscons_rops.c,v 1.6 2000/03/30 12:45:44 augustss 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/param.h>
     48 #include <sys/device.h>
     49 
     50 #include <dev/rcons/raster.h>
     51 #include <dev/wscons/wscons_raster.h>
     52 #include <dev/wscons/wsdisplayvar.h>
     53 
     54 /*
     55  * Paint (or unpaint) the cursor.
     56  * Pays no lip service to hardware cursors.
     57  */
     58 void
     59 rcons_cursor(id, on, row, col)
     60 	void *id;
     61 	int on, row, col;
     62 {
     63 	struct rcons *rc = id;
     64 	int x, y;
     65 
     66 	/* turn the cursor off */
     67 	if (!on) {
     68 		/* make sure it's on */
     69 		if ((rc->rc_bits & RC_CURSOR) == 0)
     70 			return;
     71 
     72 		row = *rc->rc_crowp;
     73 		col = *rc->rc_ccolp;
     74 	} else {
     75 		/* unpaint the old copy. */
     76 		*rc->rc_crowp = row;
     77 		*rc->rc_ccolp = col;
     78 	}
     79 
     80 	x = col * rc->rc_font->width + rc->rc_xorigin;
     81 	y = row * rc->rc_font->height + rc->rc_yorigin;
     82 
     83 	raster_op(rc->rc_sp, x, y,
     84 #ifdef notdef
     85 	    /* XXX This is the right way but too slow */
     86 	    rc->rc_font->chars[(int)' '].r->width,
     87 	    rc->rc_font->chars[(int)' '].r->height,
     88 #else
     89 	    rc->rc_font->width, rc->rc_font->height,
     90 #endif
     91 	    RAS_INVERT,
     92 	    (struct raster *) 0, 0, 0);
     93 
     94 	rc->rc_bits ^= RC_CURSOR;
     95 }
     96 
     97 int
     98 rcons_mapchar(id, uni, index)
     99 	void *id;
    100 	int uni;
    101 	unsigned int *index;
    102 {
    103 
    104 	if (uni < 128) {
    105 		*index = uni;
    106 		return (5);
    107 	}
    108 	*index = ' ';
    109 	return (0);
    110 }
    111 
    112 /*
    113  * Actually write a string to the frame buffer.
    114  */
    115 void
    116 rcons_putchar(id, row, col, uc, attr)
    117 	void *id;
    118 	int row, col;
    119 	u_int uc;
    120 	long attr;
    121 {
    122 	struct rcons *rc = id;
    123 	int x, y, op;
    124 	u_char help;
    125 
    126 	x = col * rc->rc_font->width + rc->rc_xorigin;
    127 	y = row * rc->rc_font->height + rc->rc_font_ascent + rc->rc_yorigin;
    128 
    129 	op = RAS_SRC;
    130 	if ((attr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
    131 		op = RAS_NOT(op);
    132 	help = uc & 0xff;
    133 	raster_textn(rc->rc_sp, x, y, op, rc->rc_font, &help, 1);
    134 }
    135 
    136 /*
    137  * Possibly change to white-on-black or black-on-white modes.
    138  */
    139 void
    140 rcons_invert(id, inverted)
    141 	void *id;
    142 	int inverted;
    143 {
    144 	struct rcons *rc = id;
    145 
    146 	if (((rc->rc_bits & RC_INVERT) != 0) ^ inverted) {
    147 		/* Invert the display */
    148 		raster_op(rc->rc_sp, 0, 0, rc->rc_sp->width, rc->rc_sp->height,
    149 		    RAS_INVERT, (struct raster *) 0, 0, 0);
    150 
    151 		/* Swap things around */
    152 		rc->rc_bits ^= RC_INVERT;
    153 	}
    154 }
    155 
    156 /*
    157  * Copy columns (characters) in a row (line).
    158  */
    159 void
    160 rcons_copycols(id, row, srccol, dstcol, ncols)
    161 	void *id;
    162 	int row, srccol, dstcol, ncols;
    163 {
    164 	struct rcons *rc = id;
    165 	int y, srcx, dstx, nx;
    166 
    167 	y = rc->rc_yorigin + rc->rc_font->height * row;
    168 	srcx = rc->rc_xorigin + rc->rc_font->width * srccol;
    169 	dstx = rc->rc_xorigin + rc->rc_font->width * dstcol;
    170 	nx = rc->rc_font->width * ncols;
    171 
    172 	raster_op(rc->rc_sp, dstx, y,
    173 	    nx, rc->rc_font->height, RAS_SRC,
    174 	    rc->rc_sp, srcx, y);
    175 }
    176 
    177 /*
    178  * Clear columns (characters) in a row (line).
    179  */
    180 void
    181 rcons_erasecols(id, row, startcol, ncols, fillattr)
    182 	void *id;
    183 	int row, startcol, ncols;
    184 	long fillattr;
    185 {
    186 	struct rcons *rc = id;
    187 	int y, startx, nx, op;
    188 
    189 	y = rc->rc_yorigin + rc->rc_font->height * row;
    190 	startx = rc->rc_xorigin + rc->rc_font->width * startcol;
    191 	nx = rc->rc_font->width * ncols;
    192 
    193 	op = RAS_CLEAR;
    194 	if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
    195 		op = RAS_NOT(op);
    196 	raster_op(rc->rc_sp, startx, y,
    197 	    nx, rc->rc_font->height, op,
    198 	    (struct raster *) 0, 0, 0);
    199 }
    200 
    201 /*
    202  * Copy rows (lines).
    203  */
    204 void
    205 rcons_copyrows(id, srcrow, dstrow, nrows)
    206 	void *id;
    207 	int srcrow, dstrow, nrows;
    208 {
    209 	struct rcons *rc = id;
    210 	int srcy, dsty, ny;
    211 
    212 	srcy = rc->rc_yorigin + rc->rc_font->height * srcrow;
    213 	dsty = rc->rc_yorigin + rc->rc_font->height * dstrow;
    214 	ny = rc->rc_font->height * nrows;
    215 
    216 	raster_op(rc->rc_sp, rc->rc_xorigin, dsty,
    217 	    rc->rc_raswidth, ny, RAS_SRC,
    218 	    rc->rc_sp, rc->rc_xorigin, srcy);
    219 }
    220 
    221 /*
    222  * Erase rows (lines).
    223  */
    224 void
    225 rcons_eraserows(id, startrow, nrows, fillattr)
    226 	void *id;
    227 	int startrow, nrows;
    228 	long fillattr;
    229 {
    230 	struct rcons *rc = id;
    231 	int starty, ny, op;
    232 
    233 	starty = rc->rc_yorigin + rc->rc_font->height * startrow;
    234 	ny = rc->rc_font->height * nrows;
    235 
    236 	op = RAS_CLEAR;
    237 	if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
    238 		op = RAS_NOT(op);
    239 	raster_op(rc->rc_sp, rc->rc_xorigin, starty,
    240 	    rc->rc_raswidth, ny, op,
    241 	    (struct raster *) 0, 0, 0);
    242 }
    243 
    244 int
    245 rcons_alloc_attr(id, fg, bg, flags, attrp)
    246 	void *id;
    247 	int fg, bg, flags;
    248 	long *attrp;
    249 {
    250 	if (flags & (WSATTR_HILIT | WSATTR_BLINK |
    251 		     WSATTR_UNDERLINE | WSATTR_WSCOLORS))
    252 		return (EINVAL);
    253 	if (flags & WSATTR_REVERSE)
    254 		*attrp = 1;
    255 	else
    256 		*attrp = 0;
    257 	return (0);
    258 }
    259