NetBSD-5.0.2/sys/dev/wscons/wscons_rops.c
/* $NetBSD: wscons_rops.c,v 1.11 2005/12/11 12:24:12 christos 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_subr.c 8.1 (Berkeley) 6/11/93
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: wscons_rops.c,v 1.11 2005/12/11 12:24:12 christos Exp $");
#include <sys/param.h>
#include <sys/device.h>
#include <dev/rcons/raster.h>
#include <dev/wscons/wscons_raster.h>
#include <dev/wscons/wsdisplayvar.h>
/*
* Paint (or unpaint) the cursor.
* Pays no lip service to hardware cursors.
*/
void
rcons_cursor(void *id, int on, int row, int col)
{
struct rcons *rc = id;
int x, y;
/* turn the cursor off */
if (!on) {
/* make sure it's on */
if ((rc->rc_bits & RC_CURSOR) == 0)
return;
row = *rc->rc_crowp;
col = *rc->rc_ccolp;
} else {
/* unpaint the old copy. */
*rc->rc_crowp = row;
*rc->rc_ccolp = col;
}
x = col * rc->rc_font->width + rc->rc_xorigin;
y = row * rc->rc_font->height + rc->rc_yorigin;
raster_op(rc->rc_sp, x, y,
#ifdef notdef
/* XXX This is the right way but too slow */
rc->rc_font->chars[(int)' '].r->width,
rc->rc_font->chars[(int)' '].r->height,
#else
rc->rc_font->width, rc->rc_font->height,
#endif
RAS_INVERT,
(struct raster *) 0, 0, 0);
rc->rc_bits ^= RC_CURSOR;
}
int
rcons_mapchar(void *id, int uni, unsigned int *index)
{
if (uni < 128) {
*index = uni;
return (5);
}
*index = ' ';
return (0);
}
/*
* Actually write a string to the frame buffer.
*/
void
rcons_putchar(void *id, int row, int col, u_int uc, long attr)
{
struct rcons *rc = id;
int x, y, op;
u_char help;
x = col * rc->rc_font->width + rc->rc_xorigin;
y = row * rc->rc_font->height + rc->rc_font_ascent + rc->rc_yorigin;
op = RAS_SRC;
if ((attr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
op = RAS_NOT(op);
help = uc & 0xff;
raster_textn(rc->rc_sp, x, y, op, rc->rc_font, &help, 1);
}
/*
* Possibly change to white-on-black or black-on-white modes.
*/
void
rcons_invert(void *id, int inverted)
{
struct rcons *rc = id;
if (((rc->rc_bits & RC_INVERT) != 0) ^ inverted) {
/* Invert the display */
raster_op(rc->rc_sp, 0, 0, rc->rc_sp->width, rc->rc_sp->height,
RAS_INVERT, (struct raster *) 0, 0, 0);
/* Swap things around */
rc->rc_bits ^= RC_INVERT;
}
}
/*
* Copy columns (characters) in a row (line).
*/
void
rcons_copycols(void *id, int row, int srccol, int dstcol, int ncols)
{
struct rcons *rc = id;
int y, srcx, dstx, nx;
y = rc->rc_yorigin + rc->rc_font->height * row;
srcx = rc->rc_xorigin + rc->rc_font->width * srccol;
dstx = rc->rc_xorigin + rc->rc_font->width * dstcol;
nx = rc->rc_font->width * ncols;
raster_op(rc->rc_sp, dstx, y,
nx, rc->rc_font->height, RAS_SRC,
rc->rc_sp, srcx, y);
}
/*
* Clear columns (characters) in a row (line).
*/
void
rcons_erasecols(void *id, int row, int startcol, int ncols, long fillattr)
{
struct rcons *rc = id;
int y, startx, nx, op;
y = rc->rc_yorigin + rc->rc_font->height * row;
startx = rc->rc_xorigin + rc->rc_font->width * startcol;
nx = rc->rc_font->width * ncols;
op = RAS_CLEAR;
if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
op = RAS_NOT(op);
raster_op(rc->rc_sp, startx, y,
nx, rc->rc_font->height, op,
(struct raster *) 0, 0, 0);
}
/*
* Copy rows (lines).
*/
void
rcons_copyrows(void *id, int srcrow, int dstrow, int nrows)
{
struct rcons *rc = id;
int srcy, dsty, ny;
srcy = rc->rc_yorigin + rc->rc_font->height * srcrow;
dsty = rc->rc_yorigin + rc->rc_font->height * dstrow;
ny = rc->rc_font->height * nrows;
raster_op(rc->rc_sp, rc->rc_xorigin, dsty,
rc->rc_raswidth, ny, RAS_SRC,
rc->rc_sp, rc->rc_xorigin, srcy);
}
/*
* Erase rows (lines).
*/
void
rcons_eraserows(void *id, int startrow, int nrows, long fillattr)
{
struct rcons *rc = id;
int starty, ny, op;
starty = rc->rc_yorigin + rc->rc_font->height * startrow;
ny = rc->rc_font->height * nrows;
op = RAS_CLEAR;
if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
op = RAS_NOT(op);
raster_op(rc->rc_sp, rc->rc_xorigin, starty,
rc->rc_raswidth, ny, op,
(struct raster *) 0, 0, 0);
}
int
rcons_allocattr(void *id, int fg, int bg, int flags, long *attrp)
{
if (flags & (WSATTR_HILIT | WSATTR_BLINK |
WSATTR_UNDERLINE | WSATTR_WSCOLORS))
return (EINVAL);
if (flags & WSATTR_REVERSE)
*attrp = 1;
else
*attrp = 0;
return (0);
}