| 1 | /* $NetBSD: wsfont.h,v 1.26 2016/11/20 15:44:40 macallan Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1999, 2000, 2001, 2002 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Andrew Doran. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #ifndef _WSFONT_H_ |
| 33 | #define _WSFONT_H_ 1 |
| 34 | |
| 35 | #define WSFONT_FLAGS_MASK 0x7f000000 |
| 36 | #define WSFONT_FLAG_OPT 0x01000000 /* use alternate font */ |
| 37 | #define WSFONT_GLYPH(c, font) ((uint8_t *)font->data + \ |
| 38 | ((c) - font->firstchar) * font->stride * font->fontheight) |
| 39 | #define FONT_IS_ALPHA(f) ((f)->fontwidth <= (f)->stride) |
| 40 | |
| 41 | /* |
| 42 | * Example: |
| 43 | * |
| 44 | * struct wsdisplay_font *font; |
| 45 | * int cookie; |
| 46 | * |
| 47 | * cookie = wsfont_find(NULL, 8, 16, 0, WSDISPLAY_FONTORDER_L2R, |
| 48 | * WSDISPLAY_FONTORDER_R2L); |
| 49 | * if (cookie <= 0) |
| 50 | * panic("unable to get 8x16 font"); |
| 51 | * |
| 52 | * if (wsfont_lock(cookie, &font)) |
| 53 | * panic("unable to lock font"); |
| 54 | * |
| 55 | * ... do stuff ... |
| 56 | * |
| 57 | * wsfont_unlock(cookie); |
| 58 | */ |
| 59 | |
| 60 | struct wsdisplay_font; |
| 61 | |
| 62 | void wsfont_init(void); |
| 63 | int wsfont_matches(struct wsdisplay_font *, const char *, int, int, int, int); |
| 64 | int wsfont_find(const char *, int, int, int, int, int, int); |
| 65 | #define WSFONT_FIND_BITMAP 0x01 |
| 66 | #define WSFONT_FIND_ALPHA 0x02 |
| 67 | #define WSFONT_FIND_ALL 0xff |
| 68 | #define WSFONT_FIND_BESTWIDTH 0x1000 |
| 69 | #define WSFONT_PREFER_ALPHA 0x2000 |
| 70 | |
| 71 | void wsfont_walk(void (*)(struct wsdisplay_font *, void *, int), void *); |
| 72 | |
| 73 | int wsfont_add(struct wsdisplay_font *, int); |
| 74 | int wsfont_remove(int); |
| 75 | void wsfont_enum(void (*)(const char *, int, int, int)); |
| 76 | int wsfont_lock(int, struct wsdisplay_font **); |
| 77 | int wsfont_unlock(int); |
| 78 | int wsfont_map_unichar(struct wsdisplay_font *, int); |
| 79 | int wsfont_rotate(int, int); |
| 80 | |
| 81 | enum { |
| 82 | WSFONT_ROTATE_CW, |
| 83 | WSFONT_ROTATE_CCW, |
| 84 | WSFONT_ROTATE_UD |
| 85 | }; |
| 86 | |
| 87 | int wsfont_make_cookie(int, int, int); |
| 88 | |
| 89 | #endif /* !_WSFONT_H_ */ |
| 90 | |