706 lines
20 KiB
C
706 lines
20 KiB
C
/* $NetBSD: wsfont.c,v 1.28 2002/03/21 03:26:55 enami Exp $ */
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Andrew Doran.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wsfont.c,v 1.28 2002/03/21 03:26:55 enami Exp $");
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#include "opt_wsfont.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/time.h>
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#include <sys/malloc.h>
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#include <sys/queue.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wsfont/wsfont.h>
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#undef HAVE_FONT
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#ifdef FONT_QVSS8x15
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#define HAVE_FONT 1
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#include <dev/wsfont/qvss8x15.h>
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#endif
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#ifdef FONT_GALLANT12x22
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#define HAVE_FONT 1
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#include <dev/wsfont/gallant12x22.h>
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#endif
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#ifdef FONT_LUCIDA16x29
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#define HAVE_FONT 1
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#include <dev/wsfont/lucida16x29.h>
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#endif
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#ifdef FONT_VT220L8x8
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#define HAVE_FONT 1
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#include <dev/wsfont/vt220l8x8.h>
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#endif
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#ifdef FONT_VT220L8x10
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#define HAVE_FONT 1
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#include <dev/wsfont/vt220l8x10.h>
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#endif
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#ifdef FONT_SONY8x16
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#define HAVE_FONT 1
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#include <dev/wsfont/sony8x16.h>
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#endif
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#ifdef FONT_SONY12x24
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#define HAVE_FONT 1
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#include <dev/wsfont/sony12x24.h>
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#endif
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#ifdef FONT_OMRON12x20
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#define HAVE_FONT 1
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#include <dev/wsfont/omron12x20.h>
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#endif
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/* Make sure we always have at least one font. */
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#ifndef HAVE_FONT
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#define HAVE_FONT 1
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#define FONT_BOLD8x16 1
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#endif
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#ifdef FONT_BOLD8x16
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#include <dev/wsfont/bold8x16.h>
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#endif
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#define WSFONT_IDENT_MASK 0xffffff00
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#define WSFONT_IDENT_SHIFT 8
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#define WSFONT_BITO_MASK 0x000000f0
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#define WSFONT_BITO_SHIFT 4
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#define WSFONT_BYTEO_MASK 0x0000000f
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#define WSFONT_BYTEO_SHIFT 0
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#define WSFONT_BUILTIN 0x01 /* In wsfont.c */
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#define WSFONT_STATIC 0x02 /* Font structures not malloc()ed */
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#define WSFONT_COPY 0x04 /* Copy of existing font in table */
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/* Placeholder struct used for linked list */
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struct font {
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TAILQ_ENTRY(font) chain;
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struct wsdisplay_font *font;
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u_int lockcount;
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u_int cookie;
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u_int flags;
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};
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/* Our list of built-in fonts */
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static struct font builtin_fonts[] = {
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#ifdef FONT_BOLD8x16
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{ { NULL }, &bold8x16, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_ISO8x16
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{ { NULL }, &iso8x16, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_COURIER11x18
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{ { NULL }, &courier11x18, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_GALLANT12x22
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{ { NULL }, &gallant12x22, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_LUCIDA16x29
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{ { NULL }, &lucida16x29, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_QVSS8x15
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{ { NULL }, &qvss8x15, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_VT220L8x8
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{ { NULL }, &vt220l8x8, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_VT220L8x10
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{ { NULL }, &vt220l8x10, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_SONY8x16
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{ { NULL }, &sony8x16, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_SONY12x24
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{ { NULL }, &sony12x24, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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#ifdef FONT_OMRON12x20
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{ { NULL }, &omron12x20, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN },
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#endif
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{ { NULL }, NULL, 0, 0, 0 },
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};
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static TAILQ_HEAD(,font) list;
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static int ident;
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/* Reverse the bit order in a byte */
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static const u_char reverse[256] = {
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0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
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0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
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0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
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0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
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0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
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0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
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0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
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0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
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0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
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0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
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0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
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0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
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0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
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0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
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0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
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0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
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0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
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0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
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0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
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0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
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0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
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0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
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0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
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0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
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0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
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0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
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0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
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0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
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0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
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0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
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0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
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0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
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};
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static struct font *wsfont_find0(int, int);
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static struct font *wsfont_add0(struct wsdisplay_font *, int);
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static void wsfont_revbit(struct wsdisplay_font *);
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static void wsfont_revbyte(struct wsdisplay_font *);
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static int __inline__ wsfont_make_cookie(int, int, int);
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static int __inline__
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wsfont_make_cookie(int ident, int bito, int byteo)
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{
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return ((ident & WSFONT_IDENT_MASK) |
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(bito << WSFONT_BITO_SHIFT) |
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(byteo << WSFONT_BYTEO_SHIFT));
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}
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static void
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wsfont_revbit(struct wsdisplay_font *font)
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{
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u_char *p, *m;
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p = (u_char *)font->data;
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m = p + font->stride * font->numchars * font->fontheight;
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for (; p < m; p++)
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*p = reverse[*p];
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}
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static void
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wsfont_revbyte(struct wsdisplay_font *font)
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{
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int x, l, r, nr;
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u_char *rp;
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if (font->stride == 1)
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return;
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rp = (u_char *)font->data;
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nr = font->numchars * font->fontheight;
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while (nr--) {
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l = 0;
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r = font->stride - 1;
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while (l < r) {
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x = rp[l];
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rp[l] = rp[r];
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rp[r] = x;
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l++, r--;
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}
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rp += font->stride;
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}
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}
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void
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wsfont_enum(void (*cb)(char *, int, int, int))
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{
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struct wsdisplay_font *f;
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struct font *ent;
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TAILQ_FOREACH(ent, &list, chain) {
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f = ent->font;
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cb(f->name, f->fontwidth, f->fontheight, f->stride);
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}
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}
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void
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wsfont_init(void)
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{
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struct font *ent;
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static int again;
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int i;
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if (again != 0)
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return;
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again = 1;
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TAILQ_INIT(&list);
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ent = builtin_fonts;
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for (i = 0; builtin_fonts[i].font != NULL; i++, ent++) {
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ident += (1 << WSFONT_IDENT_SHIFT);
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ent->cookie = wsfont_make_cookie(ident,
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ent->font->bitorder, ent->font->byteorder);
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TAILQ_INSERT_TAIL(&list, ent, chain);
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}
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}
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static struct font *
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wsfont_find0(int cookie, int mask)
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{
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struct font *ent;
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TAILQ_FOREACH(ent, &list, chain) {
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if ((ent->cookie & mask) == (cookie & mask))
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return (ent);
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}
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return (NULL);
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}
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int
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wsfont_matches(struct wsdisplay_font *font, char *name,
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int width, int height, int stride)
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{
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if (height != 0 && font->fontheight != height)
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return (0);
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if (width != 0 && font->fontwidth != width)
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return (0);
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if (stride != 0 && font->stride != stride)
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return (0);
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if (name != NULL && strcmp(font->name, name) != 0)
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return (0);
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return (1);
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}
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int
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wsfont_find(char *name, int width, int height, int stride, int bito, int byteo)
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{
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struct font *ent;
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TAILQ_FOREACH(ent, &list, chain) {
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if (wsfont_matches(ent->font, name, width, height, stride))
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return (wsfont_make_cookie(ent->cookie, bito, byteo));
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}
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return (-1);
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}
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static struct font *
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wsfont_add0(struct wsdisplay_font *font, int copy)
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{
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struct font *ent;
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size_t size;
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ent = malloc(sizeof(struct font), M_DEVBUF, M_WAITOK | M_ZERO);
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/* Is this font statically allocated? */
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if (!copy) {
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ent->font = font;
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ent->flags = WSFONT_STATIC;
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} else {
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ent->font = malloc(sizeof(struct wsdisplay_font), M_DEVBUF,
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M_WAITOK);
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memcpy(ent->font, font, sizeof(*ent->font));
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size = font->fontheight * font->numchars * font->stride;
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ent->font->data = malloc(size, M_DEVBUF, M_WAITOK);
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memcpy(ent->font->data, font->data, size);
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ent->font->name = malloc(strlen(font->name) + 1, M_DEVBUF,
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M_WAITOK);
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strcpy(ent->font->name, font->name);
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}
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TAILQ_INSERT_TAIL(&list, ent, chain);
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return (ent);
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}
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int
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wsfont_add(struct wsdisplay_font *font, int copy)
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{
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struct font *ent;
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/* Don't allow exact duplicates */
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if (wsfont_find(font->name, font->fontwidth, font->fontheight,
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font->stride, 0, 0) >= 0)
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return (EEXIST);
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ent = wsfont_add0(font, copy);
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ident += (1 << WSFONT_IDENT_SHIFT);
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ent->cookie = wsfont_make_cookie(ident, font->bitorder,
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font->byteorder);
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return (0);
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}
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int
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wsfont_remove(int cookie)
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{
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struct font *ent;
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if ((ent = wsfont_find0(cookie, 0xffffffff)) == NULL)
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return (ENOENT);
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if ((ent->flags & WSFONT_BUILTIN) != 0 || ent->lockcount != 0)
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return (EBUSY);
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if ((ent->flags & WSFONT_STATIC) == 0) {
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free(ent->font->data, M_DEVBUF);
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free(ent->font->name, M_DEVBUF);
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free(ent->font, M_DEVBUF);
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}
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TAILQ_REMOVE(&list, ent, chain);
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free(ent, M_DEVBUF);
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return (0);
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}
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int
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wsfont_lock(int cookie, struct wsdisplay_font **ptr)
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{
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struct font *ent, *neu;
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int bito, byteo;
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if ((ent = wsfont_find0(cookie, 0xffffffff)) == NULL) {
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if ((ent = wsfont_find0(cookie, WSFONT_IDENT_MASK)) == NULL)
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return (ENOENT);
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if (ent->lockcount != 0) {
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neu = wsfont_add0(ent->font, 1);
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neu->flags |= WSFONT_COPY;
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ent = neu;
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}
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bito = (cookie & WSFONT_BITO_MASK) >> WSFONT_BITO_SHIFT;
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byteo = (cookie & WSFONT_BYTEO_MASK) >> WSFONT_BYTEO_SHIFT;
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if (bito && bito != ent->font->bitorder) {
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wsfont_revbit(ent->font);
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ent->font->bitorder = bito;
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}
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if (byteo && byteo != ent->font->byteorder) {
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wsfont_revbyte(ent->font);
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ent->font->byteorder = byteo;
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}
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ent->cookie = cookie;
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}
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ent->lockcount++;
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*ptr = ent->font;
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return (0);
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}
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int
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wsfont_unlock(int cookie)
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{
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struct font *ent;
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if ((ent = wsfont_find0(cookie, 0xffffffff)) == NULL)
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return (ENOENT);
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if (ent->lockcount == 0)
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panic("wsfont_unlock: font not locked\n");
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if (--ent->lockcount == 0 && (ent->flags & WSFONT_COPY) != 0)
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wsfont_remove(cookie);
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return (0);
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}
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/*
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* Unicode to font encoding mappings
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*/
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/*
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* To save memory, font encoding tables use a two level lookup. First the
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* high byte of the Unicode is used to lookup the level 2 table, then the
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* low byte indexes that table. Level 2 tables that are not needed are
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* omitted (NULL), and both level 1 and level 2 tables have base and size
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* attributes to keep their size down.
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*/
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struct wsfont_level1_glyphmap {
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const struct wsfont_level2_glyphmap **level2;
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int base; /* High byte for first level2 entry */
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int size; /* Number of level2 entries */
|
|
};
|
|
|
|
struct wsfont_level2_glyphmap {
|
|
int base; /* Low byte for first character */
|
|
int size; /* Number of characters */
|
|
const void *chars; /* Pointer to character number entries */
|
|
int width; /* Size of each entry in bytes (1,2,4) */
|
|
};
|
|
|
|
#define null16 \
|
|
NULL, NULL, NULL, NULL, \
|
|
NULL, NULL, NULL, NULL, \
|
|
NULL, NULL, NULL, NULL, \
|
|
NULL, NULL, NULL, NULL
|
|
|
|
/*
|
|
* IBM 437 maps
|
|
*/
|
|
|
|
static const u_int8_t ibm437_chars_0[] = {
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
|
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
|
|
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
|
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
|
|
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
|
|
96, 97, 98, 99, 100,101,102,103,104,105,106,107,108,109,110,111,
|
|
112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
255,173,155,156, 0, 157, 0, 0, 0, 0, 166,174,170, 0, 0, 0,
|
|
0, 241,253, 0, 0, 0, 0, 249, 0, 0, 167,175,172,171, 0, 168,
|
|
0, 0, 0, 0, 142,143,146,128, 0, 144, 0, 0, 0, 0, 0, 0,
|
|
0, 165, 0, 0, 0, 0, 153, 0, 0, 0, 0, 0, 154, 0, 0, 0,
|
|
133,160,131, 0, 132,134,145,135,138,130,136,137,141,161,140,139,
|
|
0, 164,149,162,147, 0, 148,246, 0, 151,163,150,129, 0, 0, 152
|
|
};
|
|
|
|
static const u_int8_t ibm437_chars_1[] = {
|
|
159
|
|
};
|
|
|
|
static const u_int8_t ibm437_chars_3[] = {
|
|
226, 0, 0, 0, 0, 233, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
228, 0, 0, 232, 0, 0, 234, 0, 0, 0, 0, 0, 0, 0, 224,225,
|
|
0, 235,238, 0, 0, 0, 0, 0, 0, 230, 0, 0, 0, 227, 0, 0,
|
|
229,231
|
|
};
|
|
|
|
static const u_int8_t ibm437_chars_32[] = {
|
|
252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 158
|
|
};
|
|
|
|
static const u_int8_t ibm437_chars_34[] = {
|
|
237, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 248,250,251, 0, 0, 0, 236, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 239, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 247, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,240, 0, 0,243,
|
|
242
|
|
};
|
|
|
|
static const u_int8_t ibm437_chars_35[] = {
|
|
169, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
244,245
|
|
};
|
|
|
|
static const u_int8_t ibm437_chars_37[] = {
|
|
196,205,179,186, 0, 0, 0, 0, 0, 0, 0, 0, 218,213,214,201,
|
|
191,184,183,187,192,212,211,200,217,190,189,188,195,198, 0, 0,
|
|
199, 0, 0, 204,180,181, 0, 0, 182, 0, 0, 185,194, 0, 0, 209,
|
|
210, 0, 0, 203,193, 0, 0, 207,208, 0, 0, 202,197, 0, 0, 216,
|
|
0, 0, 215, 0, 0, 0, 0, 0, 0, 0, 0, 206, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
223, 0, 0, 0, 220, 0, 0, 0, 219, 0, 0, 0, 221, 0, 0, 0,
|
|
222,176,177,178, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
254
|
|
};
|
|
|
|
static const struct wsfont_level2_glyphmap ibm437_level2_0 =
|
|
{ 0, 256, ibm437_chars_0, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap ibm437_level2_1 =
|
|
{ 146, 1, ibm437_chars_1, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap ibm437_level2_3 =
|
|
{ 147, 50, ibm437_chars_3, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap ibm437_level2_32 =
|
|
{ 127, 41, ibm437_chars_32, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap ibm437_level2_34 =
|
|
{ 5, 97, ibm437_chars_34, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap ibm437_level2_35 =
|
|
{ 16, 18, ibm437_chars_35, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap ibm437_level2_37 =
|
|
{ 0, 161, ibm437_chars_37, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap *ibm437_level1[] = {
|
|
&ibm437_level2_0, &ibm437_level2_1, NULL, &ibm437_level2_3,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
&ibm437_level2_32, NULL, &ibm437_level2_34, &ibm437_level2_35,
|
|
NULL, &ibm437_level2_37
|
|
};
|
|
|
|
/*
|
|
* ISO-8859-7 maps
|
|
*/
|
|
static const u_int8_t iso7_chars_0[] = {
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
|
|
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
|
|
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
|
|
64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
|
|
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
|
|
96, 97, 98, 99, 100,101,102,103,104,105,106,107,108,109,110,111,
|
|
112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
|
|
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
|
|
144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
|
|
160, 0, 0, 163, 0, 0, 166,167,168,169, 0, 171,172,173, 0, 0,
|
|
176,177,178,179,180, 0, 0, 183, 0, 0, 0, 187, 0, 189
|
|
};
|
|
|
|
static const u_int8_t iso7_chars_3[] = {
|
|
182, 0, 184,185,186, 0, 188, 0, 190,191,192,193,194,195,196,197,
|
|
198,199,200,201,202,203,204,205,206,207,208,209, 0, 211,212,213,
|
|
214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,
|
|
230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,
|
|
246,247,248,249,250,251,252,253,254, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 181
|
|
};
|
|
|
|
static const u_int8_t iso7_chars_32[] = {
|
|
175, 0, 0, 0, 0, 162, 0, 161
|
|
};
|
|
|
|
static const struct wsfont_level2_glyphmap iso7_level2_0 =
|
|
{ 0, 190, iso7_chars_0, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap iso7_level2_3 =
|
|
{ 134, 111, iso7_chars_3, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap iso7_level2_32 =
|
|
{ 20, 8, iso7_chars_32, 1 };
|
|
|
|
static const struct wsfont_level2_glyphmap *iso7_level1[] = {
|
|
&iso7_level2_0, NULL, NULL, &iso7_level2_3,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
NULL, NULL, NULL, NULL,
|
|
&iso7_level2_32
|
|
};
|
|
|
|
static const struct wsfont_level1_glyphmap encodings[] = {
|
|
{ NULL, 0, 0 }, /* WSDISPLAY_FONTENC_ISO */
|
|
{ ibm437_level1, 0, 38 }, /* WSDISPLAY_FONTENC_IBM */
|
|
{ NULL, 0, 0 }, /* WSDISPLAY_FONTENC_PCVT */
|
|
{ iso7_level1, 0, 33 }, /* WSDISPLAY_FONTENC_ISO7 */
|
|
};
|
|
|
|
#define MAX_ENCODING (sizeof(encodings) / sizeof(encodings[0]))
|
|
|
|
/*
|
|
* Remap Unicode character to glyph
|
|
*/
|
|
int
|
|
wsfont_map_unichar(struct wsdisplay_font *font, int c)
|
|
{
|
|
const struct wsfont_level1_glyphmap *map1;
|
|
const struct wsfont_level2_glyphmap *map2;
|
|
int hi, lo;
|
|
|
|
if (font->encoding == WSDISPLAY_FONTENC_ISO)
|
|
return (c);
|
|
|
|
if (font->encoding < 0 || font->encoding > MAX_ENCODING)
|
|
return (-1);
|
|
|
|
hi = (c >> 8);
|
|
lo = c & 255;
|
|
map1 = &encodings[font->encoding];
|
|
|
|
if (hi < map1->base || hi >= map1->base + map1->size)
|
|
return (-1);
|
|
|
|
map2 = map1->level2[hi - map1->base];
|
|
|
|
if (map2 == NULL || lo < map2->base || lo >= map2->base + map2->size)
|
|
return (-1);
|
|
|
|
lo -= map2->base;
|
|
|
|
switch(map2->width) {
|
|
case 1:
|
|
c = (((const u_int8_t *)map2->chars)[lo]);
|
|
break;
|
|
case 2:
|
|
c = (((const u_int16_t *)map2->chars)[lo]);
|
|
break;
|
|
case 4:
|
|
c = (((const u_int32_t *)map2->chars)[lo]);
|
|
break;
|
|
}
|
|
|
|
if (c == 0 && lo != 0)
|
|
return (-1);
|
|
|
|
return (c);
|
|
}
|