| 1 | /* $NetBSD: wsfont.c,v 1.61 2016/11/20 15:55:31 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 | #include <sys/cdefs.h> |
| 33 | __KERNEL_RCSID(0, "$NetBSD: wsfont.c,v 1.61 2016/11/20 15:55:31 macallan Exp $" ); |
| 34 | |
| 35 | #include "opt_wsfont.h" |
| 36 | |
| 37 | #include <sys/param.h> |
| 38 | #include <sys/systm.h> |
| 39 | #include <sys/time.h> |
| 40 | #include <sys/malloc.h> |
| 41 | #include <sys/queue.h> |
| 42 | |
| 43 | #include <dev/wscons/wsdisplayvar.h> |
| 44 | #include <dev/wscons/wsconsio.h> |
| 45 | #include <dev/wsfont/wsfont.h> |
| 46 | |
| 47 | #include "wsfont_glue.h" /* NRASOPS_ROTATION */ |
| 48 | |
| 49 | #undef HAVE_FONT |
| 50 | |
| 51 | #ifdef FONT_QVSS8x15 |
| 52 | #define HAVE_FONT 1 |
| 53 | #include <dev/wsfont/qvss8x15.h> |
| 54 | #endif |
| 55 | |
| 56 | #ifdef FONT_GALLANT12x22 |
| 57 | #define HAVE_FONT 1 |
| 58 | #include <dev/wsfont/gallant12x22.h> |
| 59 | #endif |
| 60 | |
| 61 | #ifdef FONT_LUCIDA16x29 |
| 62 | #define HAVE_FONT 1 |
| 63 | #include <dev/wsfont/lucida16x29.h> |
| 64 | #endif |
| 65 | |
| 66 | #ifdef FONT_VT220L8x8 |
| 67 | #define HAVE_FONT 1 |
| 68 | #include <dev/wsfont/vt220l8x8.h> |
| 69 | #endif |
| 70 | |
| 71 | #ifdef FONT_VT220L8x10 |
| 72 | #define HAVE_FONT 1 |
| 73 | #include <dev/wsfont/vt220l8x10.h> |
| 74 | #endif |
| 75 | |
| 76 | #ifdef FONT_VT220L8x16 |
| 77 | #define HAVE_FONT 1 |
| 78 | #include <dev/wsfont/vt220l8x16.h> |
| 79 | #endif |
| 80 | |
| 81 | #ifdef FONT_VT220ISO8x8 |
| 82 | #define HAVE_FONT 1 |
| 83 | #include <dev/wsfont/vt220iso8x8.h> |
| 84 | #endif |
| 85 | |
| 86 | #ifdef FONT_VT220ISO8x16 |
| 87 | #define HAVE_FONT 1 |
| 88 | #include <dev/wsfont/vt220iso8x16.h> |
| 89 | #endif |
| 90 | |
| 91 | #ifdef FONT_VT220KOI8x10_KOI8_R |
| 92 | #define HAVE_FONT 1 |
| 93 | #include <dev/wsfont/vt220koi8x10.h> |
| 94 | #endif |
| 95 | |
| 96 | #ifdef FONT_VT220KOI8x10_KOI8_U |
| 97 | #define HAVE_FONT 1 |
| 98 | #define KOI8_U |
| 99 | #include <dev/wsfont/vt220koi8x10.h> |
| 100 | #undef KOI8_U |
| 101 | #endif |
| 102 | |
| 103 | #ifdef FONT_SONY8x16 |
| 104 | #define HAVE_FONT 1 |
| 105 | #include <dev/wsfont/sony8x16.h> |
| 106 | #endif |
| 107 | |
| 108 | #ifdef FONT_SONY12x24 |
| 109 | #define HAVE_FONT 1 |
| 110 | #include <dev/wsfont/sony12x24.h> |
| 111 | #endif |
| 112 | |
| 113 | #ifdef FONT_OMRON12x20 |
| 114 | #define HAVE_FONT 1 |
| 115 | #include <dev/wsfont/omron12x20.h> |
| 116 | #endif |
| 117 | |
| 118 | #ifdef FONT_GLASS10x19 |
| 119 | #define HAVE_FONT 1 |
| 120 | #include <dev/wsfont/glass10x19.h> |
| 121 | #endif |
| 122 | |
| 123 | #ifdef FONT_GLASS10x25 |
| 124 | #define HAVE_FONT 1 |
| 125 | #include <dev/wsfont/glass10x25.h> |
| 126 | #endif |
| 127 | |
| 128 | #ifdef FONT_DEJAVU_SANS_MONO12x22 |
| 129 | #include <dev/wsfont/DejaVu_Sans_Mono_12x22.h> |
| 130 | #endif |
| 131 | |
| 132 | #ifdef FONT_DROID_SANS_MONO12x22 |
| 133 | #include <dev/wsfont/Droid_Sans_Mono_12x22.h> |
| 134 | #endif |
| 135 | |
| 136 | #ifdef FONT_DROID_SANS_MONO9x18 |
| 137 | #include <dev/wsfont/Droid_Sans_Mono_9x18.h> |
| 138 | #endif |
| 139 | |
| 140 | #ifdef FONT_DROID_SANS_MONO19x36 |
| 141 | #include <dev/wsfont/Droid_Sans_Mono_19x36.h> |
| 142 | #endif |
| 143 | |
| 144 | #ifdef FONT_GO_MONO12x23 |
| 145 | #include <dev/wsfont/Go_Mono_12x23.h> |
| 146 | #endif |
| 147 | |
| 148 | /* Make sure we always have at least one bitmap font. */ |
| 149 | #ifndef HAVE_FONT |
| 150 | #define HAVE_FONT 1 |
| 151 | #define FONT_BOLD8x16 1 |
| 152 | #endif |
| 153 | |
| 154 | #ifdef FONT_BOLD8x16 |
| 155 | #include <dev/wsfont/bold8x16.h> |
| 156 | #endif |
| 157 | |
| 158 | #define WSFONT_IDENT_MASK 0xffffff00 |
| 159 | #define WSFONT_IDENT_SHIFT 8 |
| 160 | #define WSFONT_BITO_MASK 0x000000f0 |
| 161 | #define WSFONT_BITO_SHIFT 4 |
| 162 | #define WSFONT_BYTEO_MASK 0x0000000f |
| 163 | #define WSFONT_BYTEO_SHIFT 0 |
| 164 | |
| 165 | #define WSFONT_BUILTIN 0x01 /* In wsfont.c */ |
| 166 | #define WSFONT_STATIC 0x02 /* Font structures not malloc()ed */ |
| 167 | #define WSFONT_COPY 0x04 /* Copy of existing font in table */ |
| 168 | |
| 169 | /* Placeholder struct used for linked list */ |
| 170 | struct font { |
| 171 | TAILQ_ENTRY(font) chain; |
| 172 | struct wsdisplay_font *font; |
| 173 | u_int lockcount; |
| 174 | u_int cookie; |
| 175 | u_int flags; |
| 176 | }; |
| 177 | |
| 178 | /* Our list of built-in fonts */ |
| 179 | static struct font builtin_fonts[] = { |
| 180 | #ifdef FONT_BOLD8x16 |
| 181 | { { NULL, NULL }, &bold8x16, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 182 | #endif |
| 183 | #ifdef FONT_ISO8x16 |
| 184 | { { NULL, NULL }, &iso8x16, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 185 | #endif |
| 186 | #ifdef FONT_COURIER11x18 |
| 187 | { { NULL, NULL }, &courier11x18, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 188 | #endif |
| 189 | #ifdef FONT_GALLANT12x22 |
| 190 | { { NULL, NULL }, &gallant12x22, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 191 | #endif |
| 192 | #ifdef FONT_LUCIDA16x29 |
| 193 | { { NULL, NULL }, &lucida16x29, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 194 | #endif |
| 195 | #ifdef FONT_QVSS8x15 |
| 196 | { { NULL, NULL }, &qvss8x15, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 197 | #endif |
| 198 | #ifdef FONT_VT220L8x8 |
| 199 | { { NULL, NULL }, &vt220l8x8, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 200 | #endif |
| 201 | #ifdef FONT_VT220L8x10 |
| 202 | { { NULL, NULL }, &vt220l8x10, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 203 | #endif |
| 204 | #ifdef FONT_VT220L8x16 |
| 205 | { { NULL, NULL }, &vt220l8x16, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 206 | #endif |
| 207 | #ifdef FONT_VT220ISO8x8 |
| 208 | { { NULL, NULL }, &vt220iso8x8, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 209 | #endif |
| 210 | #ifdef FONT_VT220ISO8x16 |
| 211 | { { NULL, NULL }, &vt220iso8x16, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 212 | #endif |
| 213 | #ifdef FONT_VT220KOI8x10_KOI8_R |
| 214 | { { NULL, NULL }, &vt220kr8x10, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 215 | #endif |
| 216 | #ifdef FONT_VT220KOI8x10_KOI8_U |
| 217 | { { NULL, NULL }, &vt220ku8x10, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 218 | #endif |
| 219 | #ifdef FONT_SONY8x16 |
| 220 | { { NULL, NULL }, &sony8x16, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 221 | #endif |
| 222 | #ifdef FONT_SONY12x24 |
| 223 | { { NULL, NULL }, &sony12x24, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 224 | #endif |
| 225 | #ifdef FONT_OMRON12x20 |
| 226 | { { NULL, NULL }, &omron12x20, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 227 | #endif |
| 228 | #ifdef FONT_GLASS10x19 |
| 229 | { { NULL, NULL }, &Glass_TTY_VT220_10x19, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 230 | #endif |
| 231 | #ifdef FONT_GLASS10x25 |
| 232 | { { NULL, NULL }, &Glass_TTY_VT220_10x25, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 233 | #endif |
| 234 | #ifdef FONT_DEJAVU_SANS_MONO12x22 |
| 235 | { { NULL, NULL }, &DejaVu_Sans_Mono_12x22, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 236 | #endif |
| 237 | #ifdef FONT_DROID_SANS_MONO12x22 |
| 238 | { { NULL, NULL }, &Droid_Sans_Mono_12x22, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 239 | #endif |
| 240 | #ifdef FONT_DROID_SANS_MONO9x18 |
| 241 | { { NULL, NULL }, &Droid_Sans_Mono_9x18, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 242 | #endif |
| 243 | #ifdef FONT_DROID_SANS_MONO19x36 |
| 244 | { { NULL, NULL }, &Droid_Sans_Mono_19x36, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 245 | #endif |
| 246 | #ifdef FONT_GO_MONO12x23 |
| 247 | { { NULL, NULL }, &Go_Mono_12x23, 0, 0, WSFONT_STATIC | WSFONT_BUILTIN }, |
| 248 | #endif |
| 249 | { { NULL, NULL }, NULL, 0, 0, 0 }, |
| 250 | }; |
| 251 | |
| 252 | static TAILQ_HEAD(,font) list; |
| 253 | static int ident; |
| 254 | |
| 255 | /* Reverse the bit order in a byte */ |
| 256 | static const u_char reverse[256] = { |
| 257 | 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, |
| 258 | 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, |
| 259 | 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, |
| 260 | 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, |
| 261 | 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, |
| 262 | 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, |
| 263 | 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, |
| 264 | 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, |
| 265 | 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, |
| 266 | 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, |
| 267 | 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, |
| 268 | 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, |
| 269 | 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, |
| 270 | 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, |
| 271 | 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, |
| 272 | 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, |
| 273 | 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, |
| 274 | 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, |
| 275 | 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, |
| 276 | 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, |
| 277 | 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, |
| 278 | 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, |
| 279 | 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, |
| 280 | 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, |
| 281 | 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, |
| 282 | 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, |
| 283 | 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, |
| 284 | 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, |
| 285 | 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, |
| 286 | 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, |
| 287 | 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, |
| 288 | 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, |
| 289 | }; |
| 290 | |
| 291 | static struct font *wsfont_find0(int, int); |
| 292 | static struct font *wsfont_add0(struct wsdisplay_font *, int); |
| 293 | static void wsfont_revbit(struct wsdisplay_font *); |
| 294 | static void wsfont_revbyte(struct wsdisplay_font *); |
| 295 | |
| 296 | int |
| 297 | wsfont_make_cookie(int cident, int bito, int byteo) |
| 298 | { |
| 299 | |
| 300 | return ((cident & WSFONT_IDENT_MASK) | |
| 301 | (bito << WSFONT_BITO_SHIFT) | |
| 302 | (byteo << WSFONT_BYTEO_SHIFT)); |
| 303 | } |
| 304 | |
| 305 | static void |
| 306 | wsfont_revbit(struct wsdisplay_font *font) |
| 307 | { |
| 308 | u_char *p, *m; |
| 309 | |
| 310 | p = (u_char *)font->data; |
| 311 | m = p + font->stride * font->numchars * font->fontheight; |
| 312 | |
| 313 | for (; p < m; p++) |
| 314 | *p = reverse[*p]; |
| 315 | } |
| 316 | |
| 317 | static void |
| 318 | wsfont_revbyte(struct wsdisplay_font *font) |
| 319 | { |
| 320 | int x, l, r, nr; |
| 321 | u_char *rp; |
| 322 | |
| 323 | if (font->stride == 1) |
| 324 | return; |
| 325 | |
| 326 | rp = (u_char *)font->data; |
| 327 | nr = font->numchars * font->fontheight; |
| 328 | |
| 329 | while (nr--) { |
| 330 | l = 0; |
| 331 | r = font->stride - 1; |
| 332 | |
| 333 | while (l < r) { |
| 334 | x = rp[l]; |
| 335 | rp[l] = rp[r]; |
| 336 | rp[r] = x; |
| 337 | l++, r--; |
| 338 | } |
| 339 | |
| 340 | rp += font->stride; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | void |
| 345 | wsfont_enum(void (*cb)(const char *, int, int, int)) |
| 346 | { |
| 347 | struct wsdisplay_font *f; |
| 348 | struct font *ent; |
| 349 | |
| 350 | TAILQ_FOREACH(ent, &list, chain) { |
| 351 | f = ent->font; |
| 352 | cb(f->name, f->fontwidth, f->fontheight, f->stride); |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | #if NRASOPS_ROTATION > 0 |
| 357 | |
| 358 | struct wsdisplay_font *wsfont_rotate_cw_internal(struct wsdisplay_font *); |
| 359 | struct wsdisplay_font *wsfont_rotate_ccw_internal(struct wsdisplay_font *); |
| 360 | |
| 361 | struct wsdisplay_font * |
| 362 | wsfont_rotate_cw_internal(struct wsdisplay_font *font) |
| 363 | { |
| 364 | int b, n, r, namelen, newstride; |
| 365 | struct wsdisplay_font *newfont; |
| 366 | char *newname, *newbits; |
| 367 | |
| 368 | /* Duplicate the existing font... */ |
| 369 | newfont = malloc(sizeof(*font), M_DEVBUF, M_WAITOK); |
| 370 | if (newfont == NULL) |
| 371 | return (NULL); |
| 372 | |
| 373 | *newfont = *font; |
| 374 | |
| 375 | namelen = strlen(font->name) + 4; |
| 376 | newname = malloc(namelen, M_DEVBUF, M_WAITOK); |
| 377 | strlcpy(newname, font->name, namelen); |
| 378 | strlcat(newname, "cw" , namelen); |
| 379 | newfont->name = newname; |
| 380 | |
| 381 | /* Allocate a buffer big enough for the rotated font. */ |
| 382 | newstride = (font->fontheight + 7) / 8; |
| 383 | newbits = malloc(newstride * font->fontwidth * font->numchars, |
| 384 | M_DEVBUF, M_WAITOK|M_ZERO); |
| 385 | if (newbits == NULL) { |
| 386 | free(newfont, M_DEVBUF); |
| 387 | return (NULL); |
| 388 | } |
| 389 | |
| 390 | /* Rotate the font a bit at a time. */ |
| 391 | for (n = 0; n < font->numchars; n++) { |
| 392 | unsigned char *ch = (unsigned char *)font->data + |
| 393 | (n * font->stride * font->fontheight); |
| 394 | |
| 395 | for (r = 0; r < font->fontheight; r++) { |
| 396 | for (b = 0; b < font->fontwidth; b++) { |
| 397 | unsigned char *rb; |
| 398 | |
| 399 | rb = ch + (font->stride * r) + (b / 8); |
| 400 | if (*rb & (0x80 >> (b % 8))) { |
| 401 | unsigned char *rrb; |
| 402 | |
| 403 | rrb = newbits + newstride - 1 - (r / 8) |
| 404 | + (n * newstride * font->fontwidth) |
| 405 | + (newstride * b); |
| 406 | *rrb |= (1 << (r % 8)); |
| 407 | } |
| 408 | } |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | newfont->data = newbits; |
| 413 | |
| 414 | /* Update font sizes. */ |
| 415 | newfont->stride = newstride; |
| 416 | newfont->fontwidth = font->fontheight; |
| 417 | newfont->fontheight = font->fontwidth; |
| 418 | |
| 419 | if (wsfont_add(newfont, 0) != 0) { |
| 420 | /* |
| 421 | * If we seem to have rotated this font already, drop the |
| 422 | * new one... |
| 423 | */ |
| 424 | free(newbits, M_DEVBUF); |
| 425 | free(newfont, M_DEVBUF); |
| 426 | newfont = NULL; |
| 427 | } |
| 428 | |
| 429 | return (newfont); |
| 430 | } |
| 431 | |
| 432 | struct wsdisplay_font * |
| 433 | wsfont_rotate_ccw_internal(struct wsdisplay_font *font) |
| 434 | { |
| 435 | int b, n, r, namelen, newstride; |
| 436 | struct wsdisplay_font *newfont; |
| 437 | char *newname, *newbits; |
| 438 | |
| 439 | /* Duplicate the existing font... */ |
| 440 | newfont = malloc(sizeof(*font), M_DEVBUF, M_WAITOK); |
| 441 | if (newfont == NULL) |
| 442 | return (NULL); |
| 443 | |
| 444 | *newfont = *font; |
| 445 | |
| 446 | namelen = strlen(font->name) + 4; |
| 447 | newname = malloc(namelen, M_DEVBUF, M_WAITOK); |
| 448 | strlcpy(newname, font->name, namelen); |
| 449 | strlcat(newname, "ccw" , namelen); |
| 450 | newfont->name = newname; |
| 451 | |
| 452 | /* Allocate a buffer big enough for the rotated font. */ |
| 453 | newstride = (font->fontheight + 7) / 8; |
| 454 | newbits = malloc(newstride * font->fontwidth * font->numchars, |
| 455 | M_DEVBUF, M_WAITOK|M_ZERO); |
| 456 | if (newbits == NULL) { |
| 457 | free(newfont, M_DEVBUF); |
| 458 | return (NULL); |
| 459 | } |
| 460 | |
| 461 | /* Rotate the font a bit at a time. */ |
| 462 | for (n = 0; n < font->numchars; n++) { |
| 463 | unsigned char *ch = (unsigned char *)font->data + |
| 464 | (n * font->stride * font->fontheight); |
| 465 | |
| 466 | for (r = 0; r < font->fontheight; r++) { |
| 467 | for (b = 0; b < font->fontwidth; b++) { |
| 468 | unsigned char *rb; |
| 469 | |
| 470 | rb = ch + (font->stride * r) + (b / 8); |
| 471 | if (*rb & (0x80 >> (b % 8))) { |
| 472 | unsigned char *rrb; |
| 473 | int w = font->fontwidth; |
| 474 | |
| 475 | rrb = newbits + (r / 8) |
| 476 | + (n * newstride * w) |
| 477 | + (newstride * (w - 1 - b)); |
| 478 | *rrb |= (0x80 >> (r % 8)); |
| 479 | } |
| 480 | } |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | newfont->data = newbits; |
| 485 | |
| 486 | /* Update font sizes. */ |
| 487 | newfont->stride = newstride; |
| 488 | newfont->fontwidth = font->fontheight; |
| 489 | newfont->fontheight = font->fontwidth; |
| 490 | |
| 491 | if (wsfont_add(newfont, 0) != 0) { |
| 492 | /* |
| 493 | * If we seem to have rotated this font already, drop the |
| 494 | * new one... |
| 495 | */ |
| 496 | free(newbits, M_DEVBUF); |
| 497 | free(newfont, M_DEVBUF); |
| 498 | newfont = NULL; |
| 499 | } |
| 500 | |
| 501 | return (newfont); |
| 502 | } |
| 503 | |
| 504 | int |
| 505 | wsfont_rotate(int cookie, int rotate) |
| 506 | { |
| 507 | int s, ncookie; |
| 508 | struct wsdisplay_font *font; |
| 509 | struct font *origfont; |
| 510 | |
| 511 | s = splhigh(); |
| 512 | origfont = wsfont_find0(cookie, 0xffffffff); |
| 513 | splx(s); |
| 514 | |
| 515 | switch (rotate) { |
| 516 | case WSFONT_ROTATE_CW: |
| 517 | font = wsfont_rotate_cw_internal(origfont->font); |
| 518 | if (font == NULL) |
| 519 | return (-1); |
| 520 | break; |
| 521 | |
| 522 | case WSFONT_ROTATE_CCW: |
| 523 | font = wsfont_rotate_ccw_internal(origfont->font); |
| 524 | if (font == NULL) |
| 525 | return (-1); |
| 526 | break; |
| 527 | |
| 528 | case WSFONT_ROTATE_UD: |
| 529 | default: |
| 530 | return (-1); |
| 531 | } |
| 532 | /* rotation works only with bitmap fonts so far */ |
| 533 | ncookie = wsfont_find(font->name, font->fontwidth, font->fontheight, |
| 534 | font->stride, 0, 0, WSFONT_FIND_BITMAP); |
| 535 | |
| 536 | return (ncookie); |
| 537 | } |
| 538 | |
| 539 | #endif /* NRASOPS_ROTATION */ |
| 540 | |
| 541 | void |
| 542 | wsfont_init(void) |
| 543 | { |
| 544 | struct font *ent; |
| 545 | static int again; |
| 546 | int i; |
| 547 | |
| 548 | if (again != 0) |
| 549 | return; |
| 550 | again = 1; |
| 551 | |
| 552 | TAILQ_INIT(&list); |
| 553 | ent = builtin_fonts; |
| 554 | |
| 555 | for (i = 0; builtin_fonts[i].font != NULL; i++, ent++) { |
| 556 | ident += (1 << WSFONT_IDENT_SHIFT); |
| 557 | ent->cookie = wsfont_make_cookie(ident, |
| 558 | ent->font->bitorder, ent->font->byteorder); |
| 559 | TAILQ_INSERT_TAIL(&list, ent, chain); |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | static struct font * |
| 564 | wsfont_find0(int cookie, int mask) |
| 565 | { |
| 566 | struct font *ent; |
| 567 | |
| 568 | TAILQ_FOREACH(ent, &list, chain) { |
| 569 | if ((ent->cookie & mask) == (cookie & mask)) |
| 570 | return (ent); |
| 571 | } |
| 572 | |
| 573 | return (NULL); |
| 574 | } |
| 575 | |
| 576 | int |
| 577 | wsfont_matches(struct wsdisplay_font *font, const char *name, |
| 578 | int width, int height, int stride, int flags) |
| 579 | { |
| 580 | int score = 20000; |
| 581 | |
| 582 | /* first weed out fonts the caller doesn't claim support for */ |
| 583 | if (FONT_IS_ALPHA(font)) { |
| 584 | if (flags & WSFONT_PREFER_ALPHA) |
| 585 | score++; |
| 586 | if ((flags & WSFONT_FIND_ALPHA) == 0) |
| 587 | return 0; |
| 588 | } else { |
| 589 | if ((flags & WSFONT_FIND_BITMAP) == 0) |
| 590 | return 0; |
| 591 | } |
| 592 | |
| 593 | if (height != 0 && font->fontheight != height) |
| 594 | return (0); |
| 595 | |
| 596 | if (width != 0) { |
| 597 | if ((flags & WSFONT_FIND_BESTWIDTH) == 0) { |
| 598 | if (font->fontwidth != width) |
| 599 | return (0); |
| 600 | } else { |
| 601 | if (font->fontwidth > width) |
| 602 | score -= 10000 + min(font->fontwidth - width, 9999); |
| 603 | else |
| 604 | score -= min(width - font->fontwidth, 9999); |
| 605 | } |
| 606 | } |
| 607 | |
| 608 | if (stride != 0 && font->stride != stride) |
| 609 | return (0); |
| 610 | |
| 611 | if (name != NULL && strcmp(font->name, name) != 0) |
| 612 | return (0); |
| 613 | |
| 614 | return (score); |
| 615 | } |
| 616 | |
| 617 | int |
| 618 | wsfont_find(const char *name, int width, int height, int stride, int bito, int byteo, int flags) |
| 619 | { |
| 620 | struct font *ent, *bestent = NULL; |
| 621 | int score, bestscore = 0; |
| 622 | |
| 623 | TAILQ_FOREACH(ent, &list, chain) { |
| 624 | score = wsfont_matches(ent->font, name, |
| 625 | width, height, stride, flags); |
| 626 | if (score > bestscore) { |
| 627 | bestscore = score; |
| 628 | bestent = ent; |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | if (bestent != NULL) |
| 633 | return (wsfont_make_cookie(bestent->cookie, bito, byteo)); |
| 634 | |
| 635 | return (-1); |
| 636 | } |
| 637 | |
| 638 | void |
| 639 | wsfont_walk(void (*matchfunc)(struct wsdisplay_font *, void *, int), void *cookie) |
| 640 | { |
| 641 | struct font *ent; |
| 642 | |
| 643 | TAILQ_FOREACH(ent, &list, chain) { |
| 644 | matchfunc(ent->font, cookie, ent->cookie); |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | static struct font * |
| 649 | wsfont_add0(struct wsdisplay_font *font, int copy) |
| 650 | { |
| 651 | struct font *ent; |
| 652 | size_t size; |
| 653 | |
| 654 | ent = malloc(sizeof(struct font), M_DEVBUF, M_WAITOK | M_ZERO); |
| 655 | |
| 656 | /* Is this font statically allocated? */ |
| 657 | if (!copy) { |
| 658 | ent->font = font; |
| 659 | ent->flags = WSFONT_STATIC; |
| 660 | } else { |
| 661 | void *data; |
| 662 | char *name; |
| 663 | |
| 664 | ent->font = malloc(sizeof(struct wsdisplay_font), M_DEVBUF, |
| 665 | M_WAITOK); |
| 666 | memcpy(ent->font, font, sizeof(*ent->font)); |
| 667 | |
| 668 | size = font->fontheight * font->numchars * font->stride; |
| 669 | data = malloc(size, M_DEVBUF, M_WAITOK); |
| 670 | memcpy(data, font->data, size); |
| 671 | ent->font->data = data; |
| 672 | |
| 673 | name = malloc(strlen(font->name) + 1, M_DEVBUF, M_WAITOK); |
| 674 | strlcpy(name, font->name, strlen(font->name) + 1); |
| 675 | ent->font->name = name; |
| 676 | } |
| 677 | |
| 678 | TAILQ_INSERT_TAIL(&list, ent, chain); |
| 679 | return (ent); |
| 680 | } |
| 681 | |
| 682 | int |
| 683 | wsfont_add(struct wsdisplay_font *font, int copy) |
| 684 | { |
| 685 | struct font *ent; |
| 686 | |
| 687 | /* Don't allow exact duplicates */ |
| 688 | if (wsfont_find(font->name, font->fontwidth, font->fontheight, |
| 689 | font->stride, 0, 0, WSFONT_FIND_ALL) >= 0) |
| 690 | return (EEXIST); |
| 691 | |
| 692 | ent = wsfont_add0(font, copy); |
| 693 | |
| 694 | ident += (1 << WSFONT_IDENT_SHIFT); |
| 695 | ent->cookie = wsfont_make_cookie(ident, font->bitorder, |
| 696 | font->byteorder); |
| 697 | |
| 698 | return (0); |
| 699 | } |
| 700 | |
| 701 | int |
| 702 | wsfont_remove(int cookie) |
| 703 | { |
| 704 | struct font *ent; |
| 705 | |
| 706 | if ((ent = wsfont_find0(cookie, 0xffffffff)) == NULL) |
| 707 | return (ENOENT); |
| 708 | |
| 709 | if ((ent->flags & WSFONT_BUILTIN) != 0 || ent->lockcount != 0) |
| 710 | return (EBUSY); |
| 711 | |
| 712 | if ((ent->flags & WSFONT_STATIC) == 0) { |
| 713 | free(ent->font->data, M_DEVBUF); |
| 714 | free(__UNCONST(ent->font->name), M_DEVBUF); /*XXXUNCONST*/ |
| 715 | free(ent->font, M_DEVBUF); |
| 716 | } |
| 717 | |
| 718 | TAILQ_REMOVE(&list, ent, chain); |
| 719 | free(ent, M_DEVBUF); |
| 720 | |
| 721 | return (0); |
| 722 | } |
| 723 | |
| 724 | int |
| 725 | wsfont_lock(int cookie, struct wsdisplay_font **ptr) |
| 726 | { |
| 727 | struct font *ent, *neu; |
| 728 | int bito, byteo; |
| 729 | |
| 730 | if ((ent = wsfont_find0(cookie, 0xffffffff)) == NULL) { |
| 731 | if ((ent = wsfont_find0(cookie, WSFONT_IDENT_MASK)) == NULL) |
| 732 | return (ENOENT); |
| 733 | |
| 734 | bito = (cookie & WSFONT_BITO_MASK) >> WSFONT_BITO_SHIFT; |
| 735 | byteo = (cookie & WSFONT_BYTEO_MASK) >> WSFONT_BYTEO_SHIFT; |
| 736 | |
| 737 | if (ent->lockcount != 0) { |
| 738 | neu = wsfont_add0(ent->font, 1); |
| 739 | neu->flags |= WSFONT_COPY; |
| 740 | |
| 741 | aprint_debug("wsfont: font '%s' bito %d byteo %d " |
| 742 | "copied to bito %d byteo %d\n" , |
| 743 | ent->font->name, |
| 744 | ent->font->bitorder, ent->font->byteorder, |
| 745 | bito, byteo); |
| 746 | |
| 747 | ent = neu; |
| 748 | } |
| 749 | |
| 750 | if (bito && bito != ent->font->bitorder) { |
| 751 | wsfont_revbit(ent->font); |
| 752 | ent->font->bitorder = bito; |
| 753 | } |
| 754 | |
| 755 | if (byteo && byteo != ent->font->byteorder) { |
| 756 | wsfont_revbyte(ent->font); |
| 757 | ent->font->byteorder = byteo; |
| 758 | } |
| 759 | |
| 760 | ent->cookie = cookie; |
| 761 | } |
| 762 | |
| 763 | ent->lockcount++; |
| 764 | *ptr = ent->font; |
| 765 | return (0); |
| 766 | } |
| 767 | |
| 768 | int |
| 769 | wsfont_unlock(int cookie) |
| 770 | { |
| 771 | struct font *ent; |
| 772 | |
| 773 | if ((ent = wsfont_find0(cookie, 0xffffffff)) == NULL) |
| 774 | return (ENOENT); |
| 775 | |
| 776 | if (ent->lockcount == 0) |
| 777 | panic("wsfont_unlock: font not locked" ); |
| 778 | |
| 779 | if (--ent->lockcount == 0 && (ent->flags & WSFONT_COPY) != 0) |
| 780 | wsfont_remove(cookie); |
| 781 | |
| 782 | return (0); |
| 783 | } |
| 784 | |
| 785 | /* |
| 786 | * Unicode to font encoding mappings |
| 787 | */ |
| 788 | |
| 789 | /* |
| 790 | * To save memory, font encoding tables use a two level lookup. First the |
| 791 | * high byte of the Unicode is used to lookup the level 2 table, then the |
| 792 | * low byte indexes that table. Level 2 tables that are not needed are |
| 793 | * omitted (NULL), and both level 1 and level 2 tables have base and size |
| 794 | * attributes to keep their size down. |
| 795 | */ |
| 796 | |
| 797 | struct wsfont_level1_glyphmap { |
| 798 | const struct wsfont_level2_glyphmap **level2; |
| 799 | int base; /* High byte for first level2 entry */ |
| 800 | int size; /* Number of level2 entries */ |
| 801 | }; |
| 802 | |
| 803 | struct wsfont_level2_glyphmap { |
| 804 | int base; /* Low byte for first character */ |
| 805 | int size; /* Number of characters */ |
| 806 | const void *chars; /* Pointer to character number entries */ |
| 807 | int width; /* Size of each entry in bytes (1,2,4) */ |
| 808 | }; |
| 809 | |
| 810 | #define null16 \ |
| 811 | NULL, NULL, NULL, NULL, \ |
| 812 | NULL, NULL, NULL, NULL, \ |
| 813 | NULL, NULL, NULL, NULL, \ |
| 814 | NULL, NULL, NULL, NULL |
| 815 | |
| 816 | /* |
| 817 | * IBM 437 maps |
| 818 | */ |
| 819 | |
| 820 | static const u_int8_t ibm437_chars_0[] = { |
| 821 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
| 822 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, |
| 823 | 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, |
| 824 | 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, |
| 825 | 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, |
| 826 | 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, |
| 827 | 96, 97, 98, 99, 100,101,102,103,104,105,106,107,108,109,110,111, |
| 828 | 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, |
| 829 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 830 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 831 | 255,173,155,156, 0, 157, 0, 0, 0, 0, 166,174,170, 0, 0, 0, |
| 832 | 0, 241,253, 0, 0, 0, 0, 249, 0, 0, 167,175,172,171, 0, 168, |
| 833 | 0, 0, 0, 0, 142,143,146,128, 0, 144, 0, 0, 0, 0, 0, 0, |
| 834 | 0, 165, 0, 0, 0, 0, 153, 0, 0, 0, 0, 0, 154, 0, 0, 0, |
| 835 | 133,160,131, 0, 132,134,145,135,138,130,136,137,141,161,140,139, |
| 836 | 0, 164,149,162,147, 0, 148,246, 0, 151,163,150,129, 0, 0, 152 |
| 837 | }; |
| 838 | |
| 839 | static const u_int8_t ibm437_chars_1[] = { |
| 840 | 159 |
| 841 | }; |
| 842 | |
| 843 | static const u_int8_t ibm437_chars_3[] = { |
| 844 | 226, 0, 0, 0, 0, 233, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 845 | 228, 0, 0, 232, 0, 0, 234, 0, 0, 0, 0, 0, 0, 0, 224,225, |
| 846 | 0, 235,238, 0, 0, 0, 0, 0, 0, 230, 0, 0, 0, 227, 0, 0, |
| 847 | 229,231 |
| 848 | }; |
| 849 | |
| 850 | static const u_int8_t ibm437_chars_32[] = { |
| 851 | 252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 852 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 853 | 0, 0, 0, 0, 0, 0, 0, 0, 158 |
| 854 | }; |
| 855 | |
| 856 | static const u_int8_t ibm437_chars_34[] = { |
| 857 | 237, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 858 | 0, 0, 0, 248,250,251, 0, 0, 0, 236, 0, 0, 0, 0, 0, 0, |
| 859 | 0, 0, 0, 0, 239, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 860 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 861 | 0, 0, 0, 247, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 862 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,240, 0, 0,243, |
| 863 | 242 |
| 864 | }; |
| 865 | |
| 866 | static const u_int8_t ibm437_chars_35[] = { |
| 867 | 169, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 868 | 244,245 |
| 869 | }; |
| 870 | |
| 871 | static const u_int8_t ibm437_chars_37[] = { |
| 872 | 196,205,179,186, 0, 0, 0, 0, 0, 0, 0, 0, 218,213,214,201, |
| 873 | 191,184,183,187,192,212,211,200,217,190,189,188,195,198, 0, 0, |
| 874 | 199, 0, 0, 204,180,181, 0, 0, 182, 0, 0, 185,194, 0, 0, 209, |
| 875 | 210, 0, 0, 203,193, 0, 0, 207,208, 0, 0, 202,197, 0, 0, 216, |
| 876 | 0, 0, 215, 0, 0, 0, 0, 0, 0, 0, 0, 206, 0, 0, 0, 0, |
| 877 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 878 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 879 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 880 | 223, 0, 0, 0, 220, 0, 0, 0, 219, 0, 0, 0, 221, 0, 0, 0, |
| 881 | 222,176,177,178, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 882 | 254 |
| 883 | }; |
| 884 | |
| 885 | static const struct wsfont_level2_glyphmap ibm437_level2_0 = |
| 886 | { 0, 256, ibm437_chars_0, 1 }; |
| 887 | |
| 888 | static const struct wsfont_level2_glyphmap ibm437_level2_1 = |
| 889 | { 146, 1, ibm437_chars_1, 1 }; |
| 890 | |
| 891 | static const struct wsfont_level2_glyphmap ibm437_level2_3 = |
| 892 | { 147, 50, ibm437_chars_3, 1 }; |
| 893 | |
| 894 | static const struct wsfont_level2_glyphmap ibm437_level2_32 = |
| 895 | { 127, 41, ibm437_chars_32, 1 }; |
| 896 | |
| 897 | static const struct wsfont_level2_glyphmap ibm437_level2_34 = |
| 898 | { 5, 97, ibm437_chars_34, 1 }; |
| 899 | |
| 900 | static const struct wsfont_level2_glyphmap ibm437_level2_35 = |
| 901 | { 16, 18, ibm437_chars_35, 1 }; |
| 902 | |
| 903 | static const struct wsfont_level2_glyphmap ibm437_level2_37 = |
| 904 | { 0, 161, ibm437_chars_37, 1 }; |
| 905 | |
| 906 | static const struct wsfont_level2_glyphmap *ibm437_level1[] = { |
| 907 | &ibm437_level2_0, &ibm437_level2_1, NULL, &ibm437_level2_3, |
| 908 | NULL, NULL, NULL, NULL, |
| 909 | NULL, NULL, NULL, NULL, |
| 910 | NULL, NULL, NULL, NULL, |
| 911 | NULL, NULL, NULL, NULL, |
| 912 | NULL, NULL, NULL, NULL, |
| 913 | NULL, NULL, NULL, NULL, |
| 914 | NULL, NULL, NULL, NULL, |
| 915 | &ibm437_level2_32, NULL, &ibm437_level2_34, &ibm437_level2_35, |
| 916 | NULL, &ibm437_level2_37 |
| 917 | }; |
| 918 | |
| 919 | /* |
| 920 | * ISO-8859-7 maps |
| 921 | */ |
| 922 | static const u_int8_t iso7_chars_0[] = { |
| 923 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
| 924 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, |
| 925 | 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, |
| 926 | 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, |
| 927 | 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, |
| 928 | 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, |
| 929 | 96, 97, 98, 99, 100,101,102,103,104,105,106,107,108,109,110,111, |
| 930 | 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, |
| 931 | 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, |
| 932 | 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, |
| 933 | 160, 0, 0, 163, 0, 0, 166,167,168,169, 0, 171,172,173, 0, 0, |
| 934 | 176,177,178,179,180, 0, 0, 183, 0, 0, 0, 187, 0, 189 |
| 935 | }; |
| 936 | |
| 937 | static const u_int8_t iso7_chars_3[] = { |
| 938 | 182, 0, 184,185,186, 0, 188, 0, 190,191,192,193,194,195,196,197, |
| 939 | 198,199,200,201,202,203,204,205,206,207,208,209, 0, 211,212,213, |
| 940 | 214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229, |
| 941 | 230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245, |
| 942 | 246,247,248,249,250,251,252,253,254, 0, 0, 0, 0, 0, 0, 0, |
| 943 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 944 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 181 |
| 945 | }; |
| 946 | |
| 947 | /* |
| 948 | * map all variants of the box drawing characters to the same basic shapes for |
| 949 | * now, encoded like this: |
| 950 | * |
| 951 | * 1 |
| 952 | * 1 |
| 953 | * 888 222 |
| 954 | * 4 |
| 955 | * 4 |
| 956 | * |
| 957 | * so an upright line would be 0x05 |
| 958 | */ |
| 959 | #define FL |WSFONT_FLAG_OPT |
| 960 | static const u_int32_t netbsd_boxes[] = { |
| 961 | /*00*/ 0x0a FL, 0x0a FL, 0x05 FL, 0x05 FL, 0x0a FL, 0x0a FL, 0x05 FL, 0x05 FL, |
| 962 | /*08*/ 0x0a FL, 0x0a FL, 0x05 FL, 0x05 FL, 0x06 FL, 0x06 FL, 0x06 FL, 0x06 FL, |
| 963 | /*10*/ 0x0c FL, 0x0c FL, 0x0c FL, 0x0c FL, 0x03 FL, 0x03 FL, 0x03 FL, 0x03 FL, |
| 964 | /*18*/ 0x09 FL, 0x09 FL, 0x09 FL, 0x09 FL, 0x07 FL, 0x07 FL, 0x07 FL, 0x07 FL, |
| 965 | /*20*/ 0x07 FL, 0x07 FL, 0x07 FL, 0x07 FL, 0x0d FL, 0x0d FL, 0x0d FL, 0x0d FL, |
| 966 | /*28*/ 0x0d FL, 0x0d FL, 0x0d FL, 0x0d FL, 0x0e FL, 0x0e FL, 0x0e FL, 0x0e FL, |
| 967 | /*30*/ 0x0e FL, 0x0e FL, 0x0e FL, 0x0e FL, 0x0b FL, 0x0b FL, 0x0b FL, 0x0b FL, |
| 968 | /*38*/ 0x0b FL, 0x0b FL, 0x0b FL, 0x0b FL, 0x0f FL, 0x0f FL, 0x0f FL, 0x0f FL, |
| 969 | /*40*/ 0x0f FL, 0x0f FL, 0x0f FL, 0x0f FL, 0x0f FL, 0x0f FL, 0x0f FL, 0x0f FL, |
| 970 | /*48*/ 0x0f FL, 0x0f FL, 0x0f FL, 0x0f FL, 0x0a FL, 0x0a FL, 0x05 FL, 0x05 FL, |
| 971 | /*50*/ 0x0a FL, 0x05 FL, 0x06 FL, 0x06 FL, 0x06 FL, 0x0c FL, 0x0c FL, 0x0c FL, |
| 972 | /*58*/ 0x03 FL, 0x03 FL, 0x03 FL, 0x09 FL, 0x09 FL, 0x09 FL, 0x07 FL, 0x07 FL, |
| 973 | /*60*/ 0x07 FL, 0x0d FL, 0x0d FL, 0x0d FL, 0x0e FL, 0x0e FL, 0x0e FL, 0x0b FL, |
| 974 | /*68*/ 0x0b FL, 0x0b FL, 0x0f FL, 0x0f FL, 0x0f FL, 0x06 FL, 0x0c FL, 0x09 FL, |
| 975 | /*70*/ 0x03 FL, 0 FL, 0 FL, 0 FL, 0x08 FL, 0x01 FL, 0x02 FL, 0x04 FL, |
| 976 | /*78*/ 0x08 FL, 0x01 FL, 0x02 FL, 0x04 FL, 0x0a FL, 0x05 FL, 0x0a FL, 0x05 FL |
| 977 | }; |
| 978 | #undef FL |
| 979 | |
| 980 | static const u_int8_t iso7_chars_32[] = { |
| 981 | 175, 0, 0, 0, 0, 162, 0, 161 |
| 982 | }; |
| 983 | |
| 984 | static const struct wsfont_level2_glyphmap iso7_level2_0 = |
| 985 | { 0, 190, iso7_chars_0, 1 }; |
| 986 | |
| 987 | static const struct wsfont_level2_glyphmap iso7_level2_3 = |
| 988 | { 134, 111, iso7_chars_3, 1 }; |
| 989 | |
| 990 | static const struct wsfont_level2_glyphmap iso7_level2_32 = |
| 991 | { 20, 8, iso7_chars_32, 1 }; |
| 992 | |
| 993 | static const struct wsfont_level2_glyphmap netbsd_box_drawing = |
| 994 | { 0, 128, netbsd_boxes, 4 }; |
| 995 | |
| 996 | static const struct wsfont_level2_glyphmap *iso7_level1[] = { |
| 997 | &iso7_level2_0, NULL, NULL, &iso7_level2_3, |
| 998 | NULL, NULL, NULL, NULL, |
| 999 | NULL, NULL, NULL, NULL, |
| 1000 | NULL, NULL, NULL, NULL, |
| 1001 | NULL, NULL, NULL, NULL, |
| 1002 | NULL, NULL, NULL, NULL, |
| 1003 | NULL, NULL, NULL, NULL, |
| 1004 | NULL, NULL, NULL, NULL, |
| 1005 | &iso7_level2_32, NULL, NULL, NULL, |
| 1006 | NULL, &netbsd_box_drawing |
| 1007 | }; |
| 1008 | |
| 1009 | static const struct wsfont_level2_glyphmap *iso_level1[] = { |
| 1010 | NULL, NULL, NULL, NULL, |
| 1011 | NULL, NULL, NULL, NULL, |
| 1012 | NULL, NULL, NULL, NULL, |
| 1013 | NULL, NULL, NULL, NULL, |
| 1014 | NULL, NULL, NULL, NULL, |
| 1015 | NULL, NULL, NULL, NULL, |
| 1016 | NULL, NULL, NULL, NULL, |
| 1017 | NULL, NULL, NULL, NULL, |
| 1018 | NULL, NULL, NULL, NULL, |
| 1019 | NULL, &netbsd_box_drawing |
| 1020 | }; |
| 1021 | |
| 1022 | static const struct wsfont_level1_glyphmap encodings[] = { |
| 1023 | { iso_level1, 0, 0x26 }, /* WSDISPLAY_FONTENC_ISO */ |
| 1024 | { ibm437_level1, 0, 38 }, /* WSDISPLAY_FONTENC_IBM */ |
| 1025 | { NULL, 0, 0 }, /* WSDISPLAY_FONTENC_PCVT */ |
| 1026 | { iso7_level1, 0, 0x26 }, /* WSDISPLAY_FONTENC_ISO7 */ |
| 1027 | }; |
| 1028 | |
| 1029 | #define MAX_ENCODING (sizeof(encodings) / sizeof(encodings[0])) |
| 1030 | |
| 1031 | /* |
| 1032 | * Remap Unicode character to glyph |
| 1033 | */ |
| 1034 | int |
| 1035 | wsfont_map_unichar(struct wsdisplay_font *font, int c) |
| 1036 | { |
| 1037 | const struct wsfont_level1_glyphmap *map1; |
| 1038 | const struct wsfont_level2_glyphmap *map2; |
| 1039 | int hi, lo; |
| 1040 | |
| 1041 | if (font->encoding < 0 || font->encoding >= MAX_ENCODING) |
| 1042 | return (-1); |
| 1043 | |
| 1044 | hi = (c >> 8); |
| 1045 | lo = c & 255; |
| 1046 | map1 = &encodings[font->encoding]; |
| 1047 | |
| 1048 | if (hi < map1->base || hi >= map1->base + map1->size) |
| 1049 | return (-1); |
| 1050 | |
| 1051 | map2 = map1->level2[hi - map1->base]; |
| 1052 | |
| 1053 | /* so we don't need an identical level 2 table for hi == 0 */ |
| 1054 | if (hi == 0 && font->encoding == WSDISPLAY_FONTENC_ISO) |
| 1055 | return lo; |
| 1056 | |
| 1057 | if (map2 == NULL || lo < map2->base || lo >= map2->base + map2->size) |
| 1058 | return (-1); |
| 1059 | |
| 1060 | lo -= map2->base; |
| 1061 | |
| 1062 | switch(map2->width) { |
| 1063 | case 1: |
| 1064 | c = (((const u_int8_t *)map2->chars)[lo]); |
| 1065 | break; |
| 1066 | case 2: |
| 1067 | c = (((const u_int16_t *)map2->chars)[lo]); |
| 1068 | break; |
| 1069 | case 4: |
| 1070 | c = (((const u_int32_t *)map2->chars)[lo]); |
| 1071 | break; |
| 1072 | } |
| 1073 | |
| 1074 | if (c == 0 && lo != 0) |
| 1075 | return (-1); |
| 1076 | |
| 1077 | return (c); |
| 1078 | } |
| 1079 | |