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Annotation of sys/dev/wsfont/wsfont.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: wsfont.h,v 1.4 2005/09/15 20:23:10 miod Exp $ */
                      2: /*     $NetBSD: wsfont.h,v 1.12 2000/06/13 13:37:07 ad Exp $   */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1999 The NetBSD Foundation, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to The NetBSD Foundation
                      9:  * by Andrew Doran.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. All advertising materials mentioning features or use of this software
                     20:  *    must display the following acknowledgement:
                     21:  *     This product includes software developed by the NetBSD
                     22:  *     Foundation, Inc. and its contributors.
                     23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     24:  *    contributors may be used to endorse or promote products derived
                     25:  *    from this software without specific prior written permission.
                     26:  *
                     27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     37:  * POSSIBILITY OF SUCH DAMAGE.
                     38:  */
                     39:
                     40: #ifndef _WSFONT_H_
                     41: #define _WSFONT_H_ 1
                     42:
                     43: /*
                     44:  * wsfont_find() can be called with any of the parameters as 0, meaning we
                     45:  * don't care about that aspect of the font. It returns a cookie which
                     46:  * we can use with the other functions. When more flexibility is required,
                     47:  * wsfont_enum() should be used. The last two parameters to wsfont_lock()
                     48:  * are the bit order and byte order required (WSDISPLAY_FONTORDER_L2R or
                     49:  * WSDISPLAY_FONTORDER_R2L).
                     50:  *
                     51:  * Example:
                     52:  *
                     53:  *     struct wsdisplay_font *font;
                     54:  *     int cookie;
                     55:  *
                     56:  *     if ((cookie = wsfont_find(NULL, 8, 16, 0, 0)) <= 0)
                     57:  *             panic("unable to get 8x16 font");
                     58:  *
                     59:  *     if (wsfont_lock(cookie, &font, WSDISPLAY_FONTORDER_L2R,
                     60:  *         WSDISPLAY_FONTORDER_R2L) <= 0)
                     61:  *             panic("unable to lock font");
                     62:  *
                     63:  *     ... do stuff ...
                     64:  *
                     65:  *     wsfont_unlock(cookie);
                     66:  */
                     67:
                     68: struct wsdisplay_font;
                     69:
                     70: /* For wsfont_add() */
                     71: #define WSFONT_BUILTIN (0x01)
                     72: #define WSFONT_STATIC  (0x02)
                     73: #define WSFONT_RDONLY  (0x04)
                     74:
                     75: /* wsfont.c */
                     76: void   wsfont_init(void);
                     77: int    wsfont_find(char *, int, int, int);
                     78: int    wsfont_add(struct wsdisplay_font *, int);
                     79: int    wsfont_remove(int);
                     80: void   wsfont_enum(void (*)(char *, int, int, int));
                     81: int    wsfont_lock(int, struct wsdisplay_font **, int, int);
                     82: int    wsfont_unlock(int);
                     83: int    wsfont_getflg(int, int *, int *);
                     84: int    wsfont_map_unichar(struct wsdisplay_font *, int);
                     85: int    wsfont_rotate(int);
                     86:
                     87: #endif /* !_WSFONT_H_ */