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Comparing rxvt-unicode/src/defaultfont.C (file contents):
Revision 1.7 by pcg, Thu Dec 18 04:14:30 2003 UTC vs.
Revision 1.26 by pcg, Fri Feb 27 02:52:51 2004 UTC

1/*--------------------------------*-C-*---------------------------------*; 1/*--------------------------------*-C-*---------------------------------*;
2 * File: defaultfont.C 2 * File: defaultfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003 Marc Lehmann rxvt@plan9.de> 4 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
5 * - original version. 5 * - original version.
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 9 * the Free Software Foundation; either version 2 of the License, or
23#include "rxvt.h" 23#include "rxvt.h"
24#include "defaultfont.h" 24#include "defaultfont.h"
25 25
26#include <cstdlib> 26#include <cstdlib>
27 27
28#define DISPLAY r->Xdisplay 28#define DISPLAY r->display->display
29#define DRAWABLE r->TermWin.vt
30#define GC r->TermWin.gc 29#define GC r->TermWin.gc
31 30
32const struct rxvt_fallback_font { 31const struct rxvt_fallback_font {
33 codeset cs; 32 codeset cs;
34 const char *name; 33 const char *name;
59 58
60 // japanese 59 // japanese
61#if ENCODING_JP || ENCODING_JP_EXT 60#if ENCODING_JP || ENCODING_JP_EXT
62# if XFT 61# if XFT
63 // prefer xft for complex scripts 62 // prefer xft for complex scripts
64 { CS_UNICODE, "xft:Kochi Gothic:antialias=false" }, 63 { CS_UNICODE, "xft:Kochi Gothic:antialias=false" },
65# endif 64# endif
66 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 65 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
67 { CS_JIS0208_1983_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 66 { CS_JIS0208_1983_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
68 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 67 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
69#endif 68#endif
70 69
71#if ENCODING_CN || ENCODING_CN_EXT 70#if ENCODING_CN || ENCODING_CN_EXT
72# if XFT 71# if XFT
73 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 72 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
74 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 73 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
75 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 74 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
76 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 75 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
77# endif 76# endif
77 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
78 { CS_CNS11643_1992_1, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-1" }, 78 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
79 { CS_CNS11643_1992_2, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-2" }, 79 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
80 { CS_CNS11643_1992_3, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-3" }, 80 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
81 { CS_CNS11643_1992_4, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-4" }, 81 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
82 { CS_CNS11643_1992_5, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-5" }, 82 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-5" },
83 { CS_CNS11643_1992_6, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-6" }, 83 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
84 { CS_CNS11643_1992_7, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-7" }, 84 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
85 { CS_CNS11643_1992_F, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-f" }, 85 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
86#endif 86#endif
87 87
88#if XFT 88#if XFT
89 { CS_UNICODE, "xft:Andale Mono" }, 89 { CS_UNICODE, "xft:Andale Mono" },
90 { CS_UNICODE, "xft:Arial Unicode MS" }, 90 { CS_UNICODE, "xft:Arial Unicode MS" },
91#endif 91#endif
92 { CS_UNICODE, "-*-lucidatypewriter-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 92 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
93 { CS_UNICODE, "xft:FreeMono" },
94 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
95 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
93 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 96 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
94 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
95 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
96 97
97 { CS_UNKNOWN, 0 } 98 { CS_UNKNOWN, 0 }
98}; 99};
99 100
100///////////////////////////////////////////////////////////////////////////// 101/////////////////////////////////////////////////////////////////////////////
101 102
103#if XFT
104rxvt_drawable::~rxvt_drawable ()
105{
106 if (xftdrawable)
107 XftDrawDestroy (xftdrawable);
108}
109
110rxvt_drawable::operator XftDraw *()
111{
112 if (!xftdrawable)
113 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
114
115 return xftdrawable;
116}
117#endif
118
119/////////////////////////////////////////////////////////////////////////////
120
102static void *enc_buf; 121static void *enc_buf;
103static uint32_t enc_len; 122static uint32_t enc_len;
104 123
105static inline void * 124static inline void *
106get_enc_buf (int len) 125get_enc_buf (uint32_t len)
107{ 126{
108 if (len > enc_len) 127 if (len > enc_len)
109 { 128 {
110 free (enc_buf); 129 free (enc_buf);
111 enc_buf = malloc (len); 130 enc_buf = malloc (len);
113 132
114 return enc_buf; 133 return enc_buf;
115} 134}
116 135
117static const char * 136static const char *
118enc_char (const text_t *text, int len, codeset cs, bool &zero) 137enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
119{ 138{
120 uint8_t *buf = (uint8_t *)get_enc_buf (len); 139 uint8_t *buf = (uint8_t *)get_enc_buf (len);
121 140
122 while (len--) 141 while (len--)
123 { 142 {
134 153
135 return (const char *)enc_buf; 154 return (const char *)enc_buf;
136} 155}
137 156
138static const XChar2b * 157static const XChar2b *
139enc_xchar2b (const text_t *text, int len, codeset cs, bool &zero) 158enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
140{ 159{
141 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 160 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b));
142 161
143 while (len--) 162 while (len--)
144 { 163 {
159} 178}
160 179
161///////////////////////////////////////////////////////////////////////////// 180/////////////////////////////////////////////////////////////////////////////
162 181
163void 182void
164rxvt_font::clear_rect (int x, int y, int w, int h, int color) 183rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color)
165{ 184{
166 if (color == Color_bg) 185 if (color == Color_bg)
167 XClearArea (DISPLAY, DRAWABLE, x, y, w, h, FALSE); 186 XClearArea (d.display->display, d, x, y, w, h, FALSE);
168 else if (color >= 0) 187 else if (color >= 0)
169 { 188 {
189#if XFT
190 XftDrawRect (d, &r->PixColors[color].c, x, y, w, h);
191#else
170 XSetForeground (DISPLAY, GC, r->PixColors[color]); 192 XSetForeground (d.display->display, GC, r->PixColors[color]);
171 XFillRectangle (DISPLAY, DRAWABLE, GC, x, y, w, h); 193 XFillRectangle (d.display->display, d, GC, x, y, w, h);
194#endif
172 } 195 }
173} 196}
174 197
175static const char *linedraw_cmds[128] = { 198static const char *linedraw_cmds[128] = {
176 "1hH", "2hH", "1vV", "2vV", 199 "1hH", "2hH", "1vV", "2vV",
226struct rxvt_font_default : rxvt_font { 249struct rxvt_font_default : rxvt_font {
227 rxvt_fontprop properties () 250 rxvt_fontprop properties ()
228 { 251 {
229 rxvt_fontprop p; 252 rxvt_fontprop p;
230 253
231 p.height = 1; 254 p.width = p.height = 1;
232 p.weight = rxvt_fontprop::medium; 255 p.weight = rxvt_fontprop::medium;
233 p.slant = rxvt_fontprop::roman; 256 p.slant = rxvt_fontprop::roman;
234 257
235 return p; 258 return p;
236 } 259 }
261 } 284 }
262 285
263 return false; 286 return false;
264 } 287 }
265 288
266 void draw (int x, int y, 289 void draw (rxvt_drawable &d, int x, int y,
267 const text_t *text, int len, 290 const text_t *text, int len,
268 int fg, int bg); 291 int fg, int bg);
269}; 292};
270 293
271void 294void
272rxvt_font_default::draw (int x, int y, 295rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
273 const text_t *text, int len, 296 const text_t *text, int len,
274 int fg, int bg) 297 int fg, int bg)
275{ 298{
276 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 299 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
277 300
278 XSetForeground (DISPLAY, GC, r->PixColors[fg]); 301 XSetForeground (d.display->display, GC, r->PixColors[fg]);
279 302
280 while (len--) 303 while (len--)
281 { 304 {
282 text_t t = *text++; 305 text_t t = *text++;
283 306
284 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500]) 307 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500])
285 { 308 {
286 const char *p = linedraw_cmds[t - 0x2500]; 309 const char *p = linedraw_cmds[t - 0x2500];
287 310
288 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth ; 311 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth - 1;
289 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight; 312 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight - 1;
290 313
291 XGCValues gcv; 314 XGCValues gcv;
292 315
293 while (*p) 316 while (*p)
294 { 317 {
295 switch (*p++) 318 switch (*p++)
296 { 319 {
297 case '1': 320 case '1':
298 gcv.line_width = 0; 321 gcv.line_width = 0;
299 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 322 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
300 break; 323 break;
301 324
302 case '2': 325 case '2':
303 gcv.line_width = 2; 326 gcv.line_width = 2;
304 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 327 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
305 break; 328 break;
306 329
307 case 'h': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y1, x1, y1); break; 330 case 'h': XDrawLine (d.display->display, d, GC, x0, y1, x1, y1); break;
308 case 'H': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x2, y1); break; 331 case 'H': XDrawLine (d.display->display, d, GC, x1, y1, x2, y1); break;
309 case 'v': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y0, x1, y1); break; 332 case 'v': XDrawLine (d.display->display, d, GC, x1, y0, x1, y1); break;
310 case 'V': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x1, y2); break; 333 case 'V': XDrawLine (d.display->display, d, GC, x1, y1, x1, y2); break;
311 case 'a': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y2, x2, y0); break; 334 case 'a': XDrawLine (d.display->display, d, GC, x0, y2, x2, y0); break;
312 case 'b': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y0, x2, y2); break; 335 case 'b': XDrawLine (d.display->display, d, GC, x0, y0, x2, y2); break;
313 } 336 }
314 } 337 }
315 338
316 gcv.line_width = 0; 339 gcv.line_width = 0;
317 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 340 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
318 } 341 }
319 else 342 else
320 switch (*text++) 343 switch (*text++)
321 { 344 {
322 case NOCHAR: 345 case NOCHAR:
323 case ZERO_WIDTH_CHAR: 346 case ZERO_WIDTH_CHAR:
324 break; 347 break;
325 default: 348 default:
326 XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5); 349 XDrawRectangle (d.display->display, d, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5);
327 } 350 }
328 351
329 x += r->TermWin.fwidth; 352 x += r->TermWin.fwidth;
330 } 353 }
331} 354}
336 rxvt_font_x11 () { f = 0; } 359 rxvt_font_x11 () { f = 0; }
337 360
338 void clear (); 361 void clear ();
339 362
340 rxvt_fontprop properties (); 363 rxvt_fontprop properties ();
341 rxvt_fontprop properties (XFontStruct *f);
342 364
343 bool load (const rxvt_fontprop &prop); 365 bool load (const rxvt_fontprop &prop);
344 366
345 bool has_codepoint (uint32_t unicode); 367 bool has_codepoint (uint32_t unicode);
346 368
347 void draw (int x, int y, 369 void draw (rxvt_drawable &d, int x, int y,
348 const text_t *text, int len, 370 const text_t *text, int len,
349 int fg, int bg); 371 int fg, int bg);
350 372
351 XFontStruct *f; 373 XFontStruct *f;
352 codeset cs; 374 codeset cs;
353 bool enc2b, encm; 375 bool enc2b, encm;
354 376
355 const char *get_property (XFontStruct *f, const char *property, const char *repl) const; 377 const char *get_property (XFontStruct *f, const char *property, const char *repl) const;
378 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
379 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
380 bool set_properties (rxvt_fontprop &p, const char *name);
356}; 381};
357 382
358const char * 383const char *
359rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 384rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const
360{ 385{
367} 392}
368 393
369rxvt_fontprop 394rxvt_fontprop
370rxvt_font_x11::properties () 395rxvt_font_x11::properties ()
371{ 396{
372 return properties (f);
373}
374
375rxvt_fontprop
376rxvt_font_x11::properties (XFontStruct *f)
377{
378 rxvt_fontprop p; 397 rxvt_fontprop p;
398 set_properties (p, f);
399 return p;
400}
379 401
402bool
403rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
404{
405 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
406 p.height = height;
407 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
408 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
409
410 return true;
411}
412
413bool
414rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
415{
380 const char *weight = get_property (f, "WEIGHT_NAME", "medium"); 416 const char *weight = get_property (f, "WEIGHT_NAME", "medium");
381 const char *slant = get_property (f, "SLANT", "r"); 417 const char *slant = get_property (f, "SLANT", "r");
382 418
383 p.height = height; 419 unsigned long height;
384 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 420 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
385 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 421 return false;
386 422
387 return p; 423 unsigned long avgwidth;
424 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
425 avgwidth = 0;
426
427 return set_properties (p, height, weight, slant, avgwidth);
428}
429
430bool
431rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
432{
433 int slashes = 0;
434 const char *comp[12];
435
436 for (const char *c = name; *c; c++)
437 if (*c == '-')
438 {
439 comp[slashes++] = c + 1;
440 if (slashes >= 13)
441 break;
442 }
443
444 /* can we short-circuit the costly XLoadQueryFont? */
445 if (slashes >= 13
446 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
447 && (*comp[11] >= '0' && *comp[11] <= '9'))
448 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
449
450 XFontStruct *f = XLoadQueryFont (DISPLAY, name);
451
452 if (f)
453 {
454 // the font should really exist now. if not, we have a problem
455 // (e.g. if the user did xset fp rehash just when we were searching fonts).
456 // in that case, just return garbage.
457 bool ret = set_properties (p, f);
458 XFreeFont (DISPLAY, f);
459 return ret;
460 }
461 else
462 return false;
463}
464
465// fix the size of scalable fonts
466static void
467fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)
468{
469 int slashes = 0;
470 const char *size;
471
472 for (const char *c = name; *c; c++)
473 if (*c == '-')
474 {
475 if (slashes == 6)
476 size = c + 1;
477
478 if (++slashes >= 13)
479 break;
480 }
481
482 if (slashes >= 13 && size[0] == '0')
483 {
484 strncpy (buf, name, size - name);
485 buf += size - name;
486 buf += sprintf (buf, "%d", prop.height);
487 strcpy (buf, size + 1);
488 }
489 else
490 strcpy (buf, name);
388} 491}
389 492
390bool 493bool
391rxvt_font_x11::load (const rxvt_fontprop &prop) 494rxvt_font_x11::load (const rxvt_fontprop &prop)
392{ 495{
393 clear (); 496 clear ();
394 497
395 char **list; 498 char **list;
396 int count; 499 int count;
397 XFontStruct *info;
398 list = XListFontsWithInfo (DISPLAY, name, 128, &count, &info); 500 list = XListFonts (DISPLAY, name, 512, &count);
501 set_name (0);
399 502
400 if (!list) 503 if (!list)
401 return false; 504 return false;
402 505
403 int bestdiff = 0x7fffffff; 506 int bestdiff = 0x7fffffff;
404 XFontStruct *best = 0;
405 for (int i = 0; i < count; i++) 507 for (int i = 0; i < count; i++)
406 { 508 {
407 XFontStruct *f = info + i; 509 rxvt_fontprop p;
510 char fname[1024];
511 fix_scalable (fname, list[i], prop);
408 512
513 if (!set_properties (p, fname))
514 continue;
515
409 if (f->ascent + f->descent <= prop.height) // weed out too large fonts 516 if (p.height > prop.height) // weed out too large fonts
410 { 517 continue;
411 rxvt_fontprop p = properties (f); 518
412 int diff = (prop.height - f->ascent + f->descent) * 32 519 int diff = (prop.height - p.height) * 32
413 + abs (prop.weight - p.weight) 520 + abs (prop.weight - p.weight)
414 + abs (prop.slant - p.slant ); 521 + abs (prop.slant - p.slant );
415 522
416 if (!best // compare against best found so far 523 if (!name // compare against best found so far
417 || diff < bestdiff) 524 || diff < bestdiff)
418 { 525 {
419 best = f; 526 set_name (strdup (fname));
420 bestdiff = diff; 527 bestdiff = diff;
421 } 528 }
422 }
423 } 529 }
424 530
425 set_name (strdup (list[best - info])); 531 XFreeFontNames (list);
426 532
427 XFreeFontInfo (list, info, count); 533 if (!name)
534 return false;
428 535
429 f = XLoadQueryFont (DISPLAY, name); 536 f = XLoadQueryFont (DISPLAY, name);
430 537
431 if (!f) 538 if (!f)
432 return false; 539 return false;
433
434 unsigned long value;
435 540
436 const char *registry = get_property (f, "CHARSET_REGISTRY", 0); 541 const char *registry = get_property (f, "CHARSET_REGISTRY", 0);
437 const char *encoding = get_property (f, "CHARSET_ENCODING", 0); 542 const char *encoding = get_property (f, "CHARSET_ENCODING", 0);
438 543
439 if (registry && encoding) 544 if (registry && encoding)
526 /* check wether the character exists in _this_ font. horrible. */ 631 /* check wether the character exists in _this_ font. horrible. */
527 XCharStruct *xcs; 632 XCharStruct *xcs;
528 633
529 if (encm) 634 if (encm)
530 { 635 {
531 int byte1 = ch >> 8; 636 unsigned char byte1 = ch >> 8;
532 int byte2 = ch & 255; 637 unsigned char byte2 = ch & 255;
533 638
534 if (byte1 < f->min_byte1 || byte1 > f->max_byte1 639 if (byte1 < f->min_byte1 || byte1 > f->max_byte1
535 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) 640 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
536 return false; 641 return false;
537 642
560 665
561 return true; 666 return true;
562} 667}
563 668
564void 669void
565rxvt_font_x11::draw (int x, int y, 670rxvt_font_x11::draw (rxvt_drawable &d, int x, int y,
566 const text_t *text, int len, 671 const text_t *text, int len,
567 int fg, int bg) 672 int fg, int bg)
568{ 673{
569 // this looks like a mess /. 674 // this looks like a mess /.
570 // and it is a mess /. 675 // and it is a mess /.
586 { 691 {
587 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 692 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
588 693
589 if (bg == Color_bg && !slow) 694 if (bg == Color_bg && !slow)
590 { 695 {
591 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 696 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
592 XDrawImageString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 697 XDrawImageString16 (d.display->display, d, GC, x, y + base, xc, len);
593 } 698 }
594 else 699 else
595 { 700 {
596 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 701 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
597 702
598 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 703 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
599 704
600 if (slow) 705 if (slow)
601 { 706 {
602 do 707 do
603 { 708 {
604 if (xc->byte1 || xc->byte2) 709 if (xc->byte1 || xc->byte2)
605 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 710 XDrawString16 (d.display->display, d, GC, x, y + base, xc, 1);
606 711
607 x += r->TermWin.fwidth; 712 x += r->TermWin.fwidth;
608 xc++; len--; 713 xc++; len--;
609 } 714 }
610 while (len); 715 while (len);
611 } 716 }
612 else 717 else
613 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 718 XDrawString16 (d.display->display, d, GC, x, y + base, xc, len);
614 } 719 }
615 } 720 }
616 else 721 else
617 { 722 {
618 const char *xc = enc_char (text, len, cs, slow); 723 const char *xc = enc_char (text, len, cs, slow);
619 724
620 if (bg == Color_bg && !slow) 725 if (bg == Color_bg && !slow)
621 { 726 {
622 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 727 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
623 XDrawImageString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 728 XDrawImageString (d.display->display, d, GC, x, y + base, xc, len);
624 } 729 }
625 else 730 else
626 { 731 {
627 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 732 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
628 733
629 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 734 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
630 735
631 if (slow) 736 if (slow)
632 { 737 {
633 do 738 do
634 { 739 {
635 if (*xc) 740 if (*xc)
636 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 741 XDrawString (d.display->display, d, GC, x, y + base, xc, 1);
637 742
638 x += r->TermWin.fwidth; 743 x += r->TermWin.fwidth;
639 xc++; len--; 744 xc++; len--;
640 } 745 }
641 while (len); 746 while (len);
642 } 747 }
643 else 748 else
644 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 749 XDrawString (d.display->display, d, GC, x, y + base, xc, len);
645 } 750 }
646 } 751 }
647} 752}
648 753
649///////////////////////////////////////////////////////////////////////////// 754/////////////////////////////////////////////////////////////////////////////
654//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables 759//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
655#define SWATHBITS 8 760#define SWATHBITS 8
656#endif 761#endif
657 762
658struct rxvt_font_xft : rxvt_font { 763struct rxvt_font_xft : rxvt_font {
659#if 0
660 enum {
661 SWATHCOUNT = 1 << (21 - UNIBITS),
662 SWATHSIZE = 1 << (SWATHBITS - 5)
663 };
664 typedef uint32_t swath[SWATHSIZE];
665
666 swath *cvr[SWATHCOUNT];
667#endif
668
669#if 0
670 void gen_coverage_swath (unsigned int page);
671
672 bool has_char (uint32_t ch)
673 {
674 unsigned int page = ch >> SWATHBITS;
675 unsigned int idx = ch & ((1 << SWATHBITS) - 1);
676
677 if (page >= SWATHCOUNT)
678 return false;
679
680 if (!cvr[page]) gen_coverage_swath (page);
681
682 return cvr[page][idx >> 5] & (1 << (idx & 31));
683 }
684#endif
685 rxvt_font_xft () { f = 0; d = 0; } 764 rxvt_font_xft () { f = 0; }
686 765
687 void clear (); 766 void clear ();
688 767
689 rxvt_fontprop properties (); 768 rxvt_fontprop properties ();
690 769
691 bool load (const rxvt_fontprop &prop); 770 bool load (const rxvt_fontprop &prop);
692 771
693 void draw (int x, int y, 772 void draw (rxvt_drawable &d, int x, int y,
694 const text_t *text, int len, 773 const text_t *text, int len,
695 int fg, int bg); 774 int fg, int bg);
696 775
697 bool has_codepoint (uint32_t unicode); 776 bool has_codepoint (uint32_t unicode);
698 777
699protected: 778protected:
700 XftFont *f; 779 XftFont *f;
701 XftDraw *d;
702
703#if 0
704 virtual void populate_coverage_swath (uint32_t lo, uint32_t hi) = 0;
705 void set_swath (uint32_t ch)
706 {
707 cvr[ch >> SWATHBITS] |= 1 << (ch & ((1 << SWATHBITS) - 1));
708 }
709#endif
710}; 780};
711 781
712void 782void
713rxvt_font_xft::clear () 783rxvt_font_xft::clear ()
714{ 784{
715 if (f) 785 if (f)
716 { 786 {
717 XftFontClose (DISPLAY, f); 787 XftFontClose (DISPLAY, f);
718 f = 0; 788 f = 0;
719 } 789 }
720
721 if (d)
722 {
723 XftDrawDestroy (d);
724 d = 0;
725 }
726
727#if 0
728 for (int i = 0; i < SWATHCOUNT; i++)
729 delete cvr[i];
730#endif
731} 790}
732 791
733rxvt_fontprop 792rxvt_fontprop
734rxvt_font_xft::properties () 793rxvt_font_xft::properties ()
735{ 794{
736 rxvt_fontprop p; 795 rxvt_fontprop p;
737 796
738 FT_Face face = XftLockFace (f); 797 FT_Face face = XftLockFace (f);
739 798
740 p.height = height; 799 p.width = width; p.height = height;
741 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium; 800 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium;
742 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman; 801 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman;
743 802
744 XftUnlockFace (f); 803 XftUnlockFace (f);
745 804
767 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 826 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
768 827
769 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 828 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
770 FcPatternAddInteger (p, FC_SLANT, prop.slant); 829 FcPatternAddInteger (p, FC_SLANT, prop.slant);
771 830
831#if 0 // clipping unfortunately destroys our precious double-width-characters
832 // clip width, we can't do better, or can we?
833 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
834 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
835#endif
836
772 //FcPatternAddBool (p, FC_MINSPACE, 1); 837 //FcPatternAddBool (p, FC_MINSPACE, 1);
773 838
774 XftResult result; 839 XftResult result;
775 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 840 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
776 841
779 if (!match) 844 if (!match)
780 return false; 845 return false;
781 846
782 f = XftFontOpenPattern (DISPLAY, match); 847 f = XftFontOpenPattern (DISPLAY, match);
783 848
784 FcPatternDestroy (match);
785
786 if (!f) 849 if (!f)
850 {
851 FcPatternDestroy (match);
787 return false; 852 return false;
853 }
788 854
789 FT_Face face = XftLockFace (f); 855 FT_Face face = XftLockFace (f);
790 856
791 slow = !FT_IS_FIXED_WIDTH (face); 857 slow = !FT_IS_FIXED_WIDTH (face);
792 858
827 XftUnlockFace (f); 893 XftUnlockFace (f);
828 894
829 return true; 895 return true;
830} 896}
831 897
832#if 0
833void rxvt_font::gen_coverage_swath (unsigned int page)
834{
835 cvr[page] = new swath;
836
837 for (int i = 0; i < SWATHSIZE; i++)
838 cvr[page][i] = 0;
839
840 populate_coverage_swath (cvr[page], page << SWATHBITS, ((page + 1) << SWATHBITS) - 1);
841}
842#endif
843
844bool 898bool
845rxvt_font_xft::has_codepoint (uint32_t unicode) 899rxvt_font_xft::has_codepoint (uint32_t unicode)
846{ 900{
847 return XftCharExists (DISPLAY, f, unicode); 901 return XftCharExists (DISPLAY, f, unicode);
848} 902}
849 903
850void 904void
851rxvt_font_xft::draw (int x, int y, 905rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
852 const text_t *text, int len, 906 const text_t *text, int len,
853 int fg, int bg) 907 int fg, int bg)
854{ 908{
855 if (!d)
856 {
857 dR;
858 d = XftDrawCreate (DISPLAY, DRAWABLE, XVISUAL, XCMAP);
859 }
860
861 if (bg >= 0 && bg != Color_bg)
862 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);
863 else
864 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 909 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
865 910
866 if (!slow && width == r->TermWin.fwidth) 911 if (!slow && width == r->TermWin.fwidth && 0)
867 { 912 {
868 if (sizeof (text_t) == sizeof (FcChar16)) 913 if (sizeof (text_t) == sizeof (FcChar16))
869 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 914 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
870 else 915 else
871 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 916 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
874 { 919 {
875 while (len) 920 while (len)
876 { 921 {
877 if (*text != NOCHAR && *text != ' ') 922 if (*text != NOCHAR && *text != ' ')
878 { 923 {
924 int fwidth = r->TermWin.fwidth;
925 if (len >= 2 && text[1] == NOCHAR)
926 fwidth *= 2;
927
928 XGlyphInfo extents;
879 if (sizeof (text_t) == sizeof (FcChar16)) 929 if (sizeof (text_t) == sizeof (FcChar16))
880 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, 1); 930 {
931 XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);
932 XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
933 y + r->TermWin.fbase, (const FcChar16 *)text, 1);
934 }
881 else 935 else
882 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, 1); 936 {
937 XGlyphInfo extents;
938 XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);
939 XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
940 y + r->TermWin.fbase, (const FcChar32 *)text, 1);
941 }
883 } 942 }
884 943
885 x += r->TermWin.fwidth; 944 x += r->TermWin.fwidth;
886 text++; 945 text++;
887 len--; 946 len--;
891#endif 950#endif
892 951
893///////////////////////////////////////////////////////////////////////////// 952/////////////////////////////////////////////////////////////////////////////
894 953
895rxvt_fontset::rxvt_fontset (rxvt_t r) 954rxvt_fontset::rxvt_fontset (rxvt_t r)
896#ifdef EXPLICIT_CONTEXT
897: r(r) 955: r (r)
898#endif
899{ 956{
900 clear (); 957 clear ();
901} 958}
902 959
903rxvt_fontset::~rxvt_fontset () 960rxvt_fontset::~rxvt_fontset ()
906} 963}
907 964
908void 965void
909rxvt_fontset::clear () 966rxvt_fontset::clear ()
910{ 967{
911 for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++) 968 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
912 FONT_UNREF (*i); 969 FONT_UNREF (*i);
913 970
914 fonts.clear (); 971 fonts.clear ();
915 base_id = 0; 972 base_id = 0;
916 base_prop.height = 0x7fffffff; 973 base_prop.height = 0x7fffffff;
970 1027
971 if (*desc == '[') 1028 if (*desc == '[')
972 { 1029 {
973 fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); 1030 fprintf (stderr, "extra font parameters not yet supported, skipping.\n");
974 1031
975 const char *extra = desc++; 1032 //const char *extra = desc++; // not yet used
976 1033
977 desc = strchr (desc, ']'); 1034 desc = strchr (desc, ']');
978 1035
979 if (!desc) 1036 if (!desc)
980 { 1037 {
1019 } 1076 }
1020 1077
1021 return true; 1078 return true;
1022} 1079}
1023 1080
1024void 1081bool
1025rxvt_fontset::populate (const char *desc) 1082rxvt_fontset::populate (const char *desc)
1026{ 1083{
1027 clear (); 1084 clear ();
1028 1085
1029 fonts.push_back (new_font (0, CS_UNICODE)); 1086 fonts.push_back (new_font (0, CS_UNICODE));
1033 1090
1034 if (!base_id) 1091 if (!base_id)
1035 base_id = 1; 1092 base_id = 1;
1036 1093
1037 // we currently need a base-font, no matter what 1094 // we currently need a base-font, no matter what
1038 if (fonts.size () <= base_id || !realize_font (base_id)) 1095 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1039 { 1096 {
1097 puts ("unable to load specified font (s), falling back to 'fixed'\n");
1040 add_fonts ("fixed"); 1098 add_fonts ("fixed");
1041 base_id = fonts.size () - 1; 1099 base_id = fonts.size () - 1;
1042 } 1100 }
1043 1101
1044 if (fonts.size () <= base_id || !realize_font (base_id)) 1102 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1045 { 1103 return false;
1046 fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");
1047 exit (1);
1048 }
1049 1104
1050 base_prop = fonts[base_id]->properties (); 1105 base_prop = fonts[base_id]->properties ();
1106
1107 return true;
1051} 1108}
1052 1109
1053int 1110int
1054rxvt_fontset::find_font (uint32_t unicode) 1111rxvt_fontset::find_font (uint32_t unicode)
1055{ 1112{
1056 for (int i = 0; i < fonts.size (); i++) 1113 for (unsigned int i = 0; i < fonts.size (); i++)
1057 { 1114 {
1058 rxvt_font *f = fonts[i]; 1115 rxvt_font *f = fonts[i];
1059 1116
1060 if (!f->loaded) 1117 if (!f->loaded)
1061 { 1118 {

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