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 | |