238 lines
6.4 KiB
C
238 lines
6.4 KiB
C
/* $NetBSD: wscons_rops.c,v 1.9 2002/07/04 17:58:02 junyoung Exp $ */
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/*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)rcons_subr.c 8.1 (Berkeley) 6/11/93
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wscons_rops.c,v 1.9 2002/07/04 17:58:02 junyoung Exp $");
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#include <sys/param.h>
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#include <sys/device.h>
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#include <dev/rcons/raster.h>
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#include <dev/wscons/wscons_raster.h>
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#include <dev/wscons/wsdisplayvar.h>
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/*
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* Paint (or unpaint) the cursor.
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* Pays no lip service to hardware cursors.
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*/
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void
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rcons_cursor(void *id, int on, int row, int col)
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{
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struct rcons *rc = id;
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int x, y;
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/* turn the cursor off */
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if (!on) {
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/* make sure it's on */
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if ((rc->rc_bits & RC_CURSOR) == 0)
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return;
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row = *rc->rc_crowp;
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col = *rc->rc_ccolp;
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} else {
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/* unpaint the old copy. */
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*rc->rc_crowp = row;
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*rc->rc_ccolp = col;
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}
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x = col * rc->rc_font->width + rc->rc_xorigin;
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y = row * rc->rc_font->height + rc->rc_yorigin;
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raster_op(rc->rc_sp, x, y,
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#ifdef notdef
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/* XXX This is the right way but too slow */
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rc->rc_font->chars[(int)' '].r->width,
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rc->rc_font->chars[(int)' '].r->height,
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#else
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rc->rc_font->width, rc->rc_font->height,
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#endif
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RAS_INVERT,
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(struct raster *) 0, 0, 0);
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rc->rc_bits ^= RC_CURSOR;
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}
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int
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rcons_mapchar(void *id, int uni, unsigned int *index)
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{
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if (uni < 128) {
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*index = uni;
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return (5);
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}
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*index = ' ';
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return (0);
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}
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/*
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* Actually write a string to the frame buffer.
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*/
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void
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rcons_putchar(void *id, int row, int col, u_int uc, long attr)
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{
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struct rcons *rc = id;
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int x, y, op;
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u_char help;
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x = col * rc->rc_font->width + rc->rc_xorigin;
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y = row * rc->rc_font->height + rc->rc_font_ascent + rc->rc_yorigin;
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op = RAS_SRC;
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if ((attr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
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op = RAS_NOT(op);
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help = uc & 0xff;
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raster_textn(rc->rc_sp, x, y, op, rc->rc_font, &help, 1);
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}
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/*
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* Possibly change to white-on-black or black-on-white modes.
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*/
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void
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rcons_invert(void *id, int inverted)
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{
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struct rcons *rc = id;
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if (((rc->rc_bits & RC_INVERT) != 0) ^ inverted) {
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/* Invert the display */
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raster_op(rc->rc_sp, 0, 0, rc->rc_sp->width, rc->rc_sp->height,
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RAS_INVERT, (struct raster *) 0, 0, 0);
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/* Swap things around */
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rc->rc_bits ^= RC_INVERT;
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}
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}
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/*
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* Copy columns (characters) in a row (line).
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*/
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void
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rcons_copycols(void *id, int row, int srccol, int dstcol, int ncols)
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{
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struct rcons *rc = id;
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int y, srcx, dstx, nx;
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y = rc->rc_yorigin + rc->rc_font->height * row;
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srcx = rc->rc_xorigin + rc->rc_font->width * srccol;
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dstx = rc->rc_xorigin + rc->rc_font->width * dstcol;
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nx = rc->rc_font->width * ncols;
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raster_op(rc->rc_sp, dstx, y,
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nx, rc->rc_font->height, RAS_SRC,
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rc->rc_sp, srcx, y);
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}
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/*
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* Clear columns (characters) in a row (line).
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*/
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void
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rcons_erasecols(void *id, int row, int startcol, int ncols, long fillattr)
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{
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struct rcons *rc = id;
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int y, startx, nx, op;
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y = rc->rc_yorigin + rc->rc_font->height * row;
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startx = rc->rc_xorigin + rc->rc_font->width * startcol;
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nx = rc->rc_font->width * ncols;
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op = RAS_CLEAR;
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if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
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op = RAS_NOT(op);
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raster_op(rc->rc_sp, startx, y,
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nx, rc->rc_font->height, op,
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(struct raster *) 0, 0, 0);
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}
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/*
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* Copy rows (lines).
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*/
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void
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rcons_copyrows(void *id, int srcrow, int dstrow, int nrows)
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{
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struct rcons *rc = id;
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int srcy, dsty, ny;
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srcy = rc->rc_yorigin + rc->rc_font->height * srcrow;
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dsty = rc->rc_yorigin + rc->rc_font->height * dstrow;
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ny = rc->rc_font->height * nrows;
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raster_op(rc->rc_sp, rc->rc_xorigin, dsty,
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rc->rc_raswidth, ny, RAS_SRC,
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rc->rc_sp, rc->rc_xorigin, srcy);
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}
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/*
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* Erase rows (lines).
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*/
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void
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rcons_eraserows(void *id, int startrow, int nrows, long fillattr)
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{
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struct rcons *rc = id;
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int starty, ny, op;
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starty = rc->rc_yorigin + rc->rc_font->height * startrow;
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ny = rc->rc_font->height * nrows;
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op = RAS_CLEAR;
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if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
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op = RAS_NOT(op);
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raster_op(rc->rc_sp, rc->rc_xorigin, starty,
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rc->rc_raswidth, ny, op,
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(struct raster *) 0, 0, 0);
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}
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int
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rcons_allocattr(void *id, int fg, int bg, int flags, long *attrp)
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{
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if (flags & (WSATTR_HILIT | WSATTR_BLINK |
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WSATTR_UNDERLINE | WSATTR_WSCOLORS))
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return (EINVAL);
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if (flags & WSATTR_REVERSE)
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*attrp = 1;
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else
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*attrp = 0;
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return (0);
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}
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