/* $NetBSD: wsfont.c,v 1.3 1999/04/14 18:25:47 ad Exp $ */ /*- * Copyright (c) 1999 Andy Doran * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. * */ #include __KERNEL_RCSID(0, "$NetBSD: wsfont.c,v 1.3 1999/04/14 18:25:47 ad Exp $"); #include "opt_wsfont.h" #include #include #include #include #include #include #include #include #undef HAVE_FONT #ifdef FONT_ISO8x16 #define HAVE_FONT 1 #include #endif #ifdef FONT_BOLD8x16 #define HAVE_FONT 1 #include #endif #ifdef FONT_GALLANT12x22 #define HAVE_FONT 1 #include #endif #ifdef FONT_LUCIDA16x29 #define HAVE_FONT 1 #include #endif /* Make sure we always have at least one font. Choose the most ugly one. */ #ifndef HAVE_FONT #define HAVE_FONT 1 #define FONT_QVSS8x15 1 #endif #ifdef FONT_QVSS8x15 #include #endif /* Placeholder struct used for linked list */ struct font { struct font *next; struct font *prev; struct wsdisplay_font *font; u_short lockcount; u_short cookie; u_short flg; u_char bitorder; /* XXX move to wsdisplay_font */ u_char byteorder; /* XXX move to wsdisplay_font */ }; #define WSFONT_BUILTIN (0x01) #define WSFONT_STATIC (0x02) #define WSFONT_LITTLE (0) #define WSFONT_BIG (1) /* Our list of built-in fonts */ static struct font *list, builtin_fonts[] = { #ifdef FONT_BOLD8x16 { NULL, NULL, &bold8x16, 0, 1, WSFONT_STATIC | WSFONT_BUILTIN, 0, 0 }, #endif #ifdef FONT_ISO8x16 { NULL, NULL, &iso8x16, 0, 2, WSFONT_STATIC | WSFONT_BUILTIN, 0, 0 }, #endif #ifdef FONT_COURIER11x18 { NULL, NULL, &courier11x18, 0, 3, WSFONT_STATIC | WSFONT_BUILTIN, 0, 0 }, #endif #ifdef FONT_GALLANT12x22 { NULL, NULL, &gallant12x22, 0, 4, WSFONT_STATIC | WSFONT_BUILTIN, 0, 0 }, #endif #ifdef FONT_LUCIDA16x29 { NULL, NULL, &lucida16x29, 0, 5, WSFONT_STATIC | WSFONT_BUILTIN, 0, 0 }, #endif #ifdef FONT_QVSS8x15 { NULL, NULL, &qvss8x15, 0, 6, WSFONT_STATIC | WSFONT_BUILTIN, 0, 0 }, #endif { NULL, NULL, NULL, 0, 0, 0 }, }; /* Reverse the bit order in a byte */ static const u_char reverse[256] = { 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, }; static struct font *wsfont_find0 __P((int)); static void wsfont_revbit __P((struct wsdisplay_font *)); static void wsfont_revbyte __P((struct wsdisplay_font *)); /* * Reverse the bit order of a font */ static void wsfont_revbit(font) struct wsdisplay_font *font; { u_char *p, *m; p = (u_char *)font->data; m = p + font->stride * font->numchars * font->fontheight; while (p < m) *p++ = reverse[*p]; } /* * Reverse the byte order of a font */ static void wsfont_revbyte(font) struct wsdisplay_font *font; { int x, l, r, nr; u_char *rp; if (font->stride == 1) return; rp = (u_char *)font->data; nr = font->numchars * font->fontheight; while (nr--) { l = 0; r = font->stride - 1; while (l < r) { x = rp[l]; rp[l] = rp[r]; rp[r] = x; l++, r--; } rp += font->stride; } } /* * Enumarate the list of fonts */ void wsfont_enum(func) void (*func) __P((char *, int, int, int)); { struct font *ent; struct wsdisplay_font *font; int s; s = splhigh(); for (ent = list; ent; ent = ent->next) { font = ent->font; func(font->name, font->fontwidth, font->fontheight, font->stride); } splx(s); } /* * Initialize list with WSFONT_BUILTIN fonts */ void wsfont_init(void) { static int again; int i; if (again) return; again = 1; for (i = 0; builtin_fonts[i].font; i++) { builtin_fonts[i].next = list; list = &builtin_fonts[i]; } } /* * Find a font by cookie. Called at splhigh. */ static struct font * wsfont_find0(cookie) int cookie; { struct font *ent; for (ent = list; ent; ent = ent->next) if (ent->cookie == cookie) return (ent); return (NULL); } /* * Find a font. */ int wsfont_find(name, width, height, stride) char *name; int width, height, stride; { struct font *ent; int s; s = splhigh(); for (ent = list; ent; ent = ent->next) { if (height && ent->font->fontheight != height) continue; if (width && ent->font->fontwidth != width) continue; if (stride && ent->font->stride != stride) continue; if (name && strcmp(ent->font->name, name)) continue; splx(s); return (ent->cookie); } splx(s); return (-1); } /* * Add a font to the list. */ #ifdef notyet int wsfont_add(font, copy) struct wsdisplay_font *font; int copy; { struct font *ent; static int cookiegen = 666; int s; size_t size; /* Don't allow exact duplicates */ s = splhigh(); if (wsfont_find(font->name, font->fontwidth, font->fontheight, font->stride) >= 0) { splx(s); return (-1); } MALLOC(ent, struct font *, sizeof *ent, M_WSCONS, M_WAITOK); ent->lockcount = 0; ent->flg = 0; ent->cookie = cookiegen++; ent->next = list; ent->prev = NULL; /* Is this font statically allocated? */ if (!copy) { ent->font = font; ent->flg = WSFONT_STATIC; } else { MALLOC(ent->font, struct wsdisplay_font *, sizeof *ent->font, M_WSCONS, M_WAITOK); memcpy(ent->font, font, sizeof(*ent->font)); size = font->fontheight * font->numchars * font->stride; MALLOC(ent->font->data, void *, size, M_WSCONS, M_WAITOK); memcpy(ent->font->data, font->data, size); ent->flg = 0; } /* Now link into the list and return */ list = ent; splx(s); return (0); } #endif /* * Remove a font. */ #ifdef notyet int wsfont_remove(cookie) int cookie; { struct font *ent; int s; s = splhigh(); if ((ent = wsfont_find0(cookie)) == NULL) { splx(s); return (-1); } if ((ent->flg & WSFONT_BUILTIN) || ent->lockcount != 0) { splx(s); return (-1); } /* Don't free statically allocated font data */ if (!(ent->flg & WSFONT_STATIC)) { FREE(ent->font->data, M_WSCONS); FREE(ent->font, M_WSCONS); } /* Remove from list, free entry */ if (ent->prev) ent->prev->next = ent->next; else list = ent->next; if (ent->next) ent->next->prev = ent->prev; FREE(ent, M_WSCONS); splx(s); return (ent ? 0 : -1); } #endif /* * Lock a given font and return new lockcount. */ int wsfont_lock(cookie, ptr, bitorder, byteorder) int cookie; struct wsdisplay_font **ptr; int bitorder, byteorder; { struct font *ent; int s, lc; s = splhigh(); if ((ent = wsfont_find0(cookie)) != NULL) { if (bitorder != ent->bitorder) { if (ent->lockcount) return (-1); wsfont_revbit(ent->font); ent->bitorder = bitorder; } if (byteorder != ent->byteorder) { if (ent->lockcount) return (-1); wsfont_revbyte(ent->font); ent->byteorder = byteorder; } lc = ++ent->lockcount; *ptr = ent->font; } else lc = -1; splx(s); return (lc); } /* * Get font flags and lockcount. */ int wsfont_getflg(cookie, flg, lc) int cookie, *flg, *lc; { struct font *ent; int s; s = splhigh(); if ((ent = wsfont_find0(cookie)) != NULL) { *flg = ent->flg; *lc = ent->lockcount; } splx(s); return (ent ? 0 : -1); } /* * Unlock a given font and return new lockcount. */ int wsfont_unlock(cookie) int cookie; { struct font *ent; int s, lc; s = splhigh(); if ((ent = wsfont_find0(cookie)) != NULL) { if (ent->lockcount == 0) panic("wsfont_unlock: font not locked\n"); lc = --ent->lockcount; } else lc = -1; splx(s); return (lc); }