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Comparing rxvt-unicode/src/defaultfont.C (file contents):
Revision 1.9 by pcg, Wed Dec 24 06:26:52 2003 UTC vs.
Revision 1.41 by pcg, Mon Mar 15 01:27:46 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;
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_1990_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_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
78 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
79 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
80 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
78 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-1" }, 81 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
79 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-2" }, 82 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
80 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-3" }, 83 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
81 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-4" }, 84 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
82 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-5" }, 85 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-5" },
83 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-6" }, 86 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
84 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-7" }, 87 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
85 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-f" }, 88 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
86#endif 89#endif
87 90
88#if XFT 91#if XFT
89 { CS_UNICODE, "xft:Andale Mono" }, 92 { CS_UNICODE, "xft:Andale Mono" },
90 { CS_UNICODE, "xft:Arial Unicode MS" }, 93 { CS_UNICODE, "xft:Arial Unicode MS" },
93 { CS_UNICODE, "xft:FreeMono" }, 96 { CS_UNICODE, "xft:FreeMono" },
94 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, 97 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
95 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" }, 98 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
96 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 99 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
97 100
101#if UNICODE_3 && XFT
102 { CS_UNICODE, "xft:Code2001" }, // contains many plane-1 characters
103#endif
104
98 { CS_UNKNOWN, 0 } 105 { CS_UNKNOWN, 0 }
99}; 106};
100 107
101///////////////////////////////////////////////////////////////////////////// 108/////////////////////////////////////////////////////////////////////////////
102 109
110#if XFT
111rxvt_drawable::~rxvt_drawable ()
112{
113 if (xftdrawable)
114 XftDrawDestroy (xftdrawable);
115}
116
117rxvt_drawable::operator XftDraw *()
118{
119 if (!xftdrawable)
120 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
121
122 return xftdrawable;
123}
124#endif
125
126/////////////////////////////////////////////////////////////////////////////
127
103static void *enc_buf; 128static void *enc_buf;
104static uint32_t enc_len; 129static uint32_t enc_len;
105 130
106static inline void * 131static inline void *
107get_enc_buf (int len) 132get_enc_buf (uint32_t len)
108{ 133{
109 if (len > enc_len) 134 if (len > enc_len)
110 { 135 {
111 free (enc_buf); 136 free (enc_buf);
112 enc_buf = malloc (len); 137 enc_buf = malloc (len);
114 139
115 return enc_buf; 140 return enc_buf;
116} 141}
117 142
118static const char * 143static const char *
119enc_char (const text_t *text, int len, codeset cs, bool &zero) 144enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
120{ 145{
121 uint8_t *buf = (uint8_t *)get_enc_buf (len); 146 uint8_t *buf = (uint8_t *)get_enc_buf (len);
122 147
123 while (len--) 148 while (len--)
124 { 149 {
135 160
136 return (const char *)enc_buf; 161 return (const char *)enc_buf;
137} 162}
138 163
139static const XChar2b * 164static const XChar2b *
140enc_xchar2b (const text_t *text, int len, codeset cs, bool &zero) 165enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
141{ 166{
142 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 167 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b));
143 168
144 while (len--) 169 while (len--)
145 { 170 {
160} 185}
161 186
162///////////////////////////////////////////////////////////////////////////// 187/////////////////////////////////////////////////////////////////////////////
163 188
164void 189void
165rxvt_font::clear_rect (int x, int y, int w, int h, int color) 190rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color)
166{ 191{
167 if (color == Color_bg) 192 if (color == Color_bg)
168 XClearArea (DISPLAY, DRAWABLE, x, y, w, h, FALSE); 193 XClearArea (d.display->display, d, x, y, w, h, FALSE);
169 else if (color >= 0) 194 else if (color >= 0)
170 { 195 {
196#if XFT
197 XftDrawRect (d, &r->PixColors[color].c, x, y, w, h);
198#else
171 XSetForeground (DISPLAY, GC, r->PixColors[color]); 199 XSetForeground (d.display->display, GC, r->PixColors[color]);
172 XFillRectangle (DISPLAY, DRAWABLE, GC, x, y, w, h); 200 XFillRectangle (d.display->display, d, GC, x, y, w, h);
201#endif
173 } 202 }
174} 203}
175 204
176static const char *linedraw_cmds[128] = { 205static const char *linedraw_cmds[128] = {
177 "1hH", "2hH", "1vV", "2vV", 206 "1hH", "2hH", "1vV", "2vV",
227struct rxvt_font_default : rxvt_font { 256struct rxvt_font_default : rxvt_font {
228 rxvt_fontprop properties () 257 rxvt_fontprop properties ()
229 { 258 {
230 rxvt_fontprop p; 259 rxvt_fontprop p;
231 260
232 p.height = 1; 261 p.width = p.height = 1;
233 p.weight = rxvt_fontprop::medium; 262 p.weight = rxvt_fontprop::medium;
234 p.slant = rxvt_fontprop::roman; 263 p.slant = rxvt_fontprop::roman;
235 264
236 return p; 265 return p;
237 } 266 }
239 bool load (const rxvt_fontprop &prop) 268 bool load (const rxvt_fontprop &prop)
240 { 269 {
241 width = 1; height = 1; 270 width = 1; height = 1;
242 ascent = 1; descent = 0; 271 ascent = 1; descent = 0;
243 272
273 set_name ("built-in pseudofont");
274
244 return true; 275 return true;
245 } 276 }
246 277
247 bool has_codepoint (uint32_t unicode) 278 bool has_codepoint (unicode_t unicode)
248 { 279 {
249 if (unicode <= 0x001f) 280 if (unicode <= 0x001f)
250 return true; 281 return true;
282
251 if (unicode >= 0x0080 && unicode <= 0x009f) 283 if (unicode >= 0x0080 && unicode <= 0x009f)
252 return true; 284 return true;
253 285
254 if (unicode >= 0x2500 && unicode <= 0x257f 286 if (unicode >= 0x2500 && unicode <= 0x257f
255 && linedraw_cmds[unicode - 0x2500]) 287 && linedraw_cmds[unicode - 0x2500])
288 return true;
289
290 if (IS_COMPOSE (unicode))
256 return true; 291 return true;
257 292
258 switch (unicode) 293 switch (unicode)
259 { 294 {
260 case ZERO_WIDTH_CHAR: 295 case ZERO_WIDTH_CHAR:
262 } 297 }
263 298
264 return false; 299 return false;
265 } 300 }
266 301
267 void draw (int x, int y, 302 void draw (rxvt_drawable &d, int x, int y,
268 const text_t *text, int len, 303 const text_t *text, int len,
269 int fg, int bg); 304 int fg, int bg);
270}; 305};
271 306
272void 307void
273rxvt_font_default::draw (int x, int y, 308rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
274 const text_t *text, int len, 309 const text_t *text, int len,
275 int fg, int bg) 310 int fg, int bg)
276{ 311{
277 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 312 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
278 313
279 XSetForeground (DISPLAY, GC, r->PixColors[fg]); 314 XSetForeground (d.display->display, GC, r->PixColors[fg]);
280 315
281 while (len--) 316 while (len--)
282 { 317 {
318#if ENABLE_COMBINING
319 compose_char *cc;
320#endif
283 text_t t = *text++; 321 text_t t = *text++;
284 322
323 // is it in our linedrawing table?
285 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500]) 324 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500])
286 { 325 {
287 const char *p = linedraw_cmds[t - 0x2500]; 326 const char *p = linedraw_cmds[t - 0x2500];
288 327
289 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth ; 328 int x0 = x, x1 = x + (r->TermWin.fwidth - 1) / 2, x2 = x + r->TermWin.fwidth - 1;
290 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight; 329 int y0 = y, y1 = y + (r->TermWin.fheight - 1) / 2, y2 = y + r->TermWin.fheight - 1;
291 330
292 XGCValues gcv; 331 XGCValues gcv;
293 332
294 while (*p) 333 while (*p)
295 { 334 {
296 switch (*p++) 335 switch (*p++)
297 { 336 {
298 case '1': 337 case '1':
299 gcv.line_width = 0; 338 gcv.line_width = 0;
300 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 339 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
301 break; 340 break;
302 341
303 case '2': 342 case '2':
304 gcv.line_width = 2; 343 gcv.line_width = 2;
305 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 344 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
306 break; 345 break;
307 346
308 case 'h': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y1, x1, y1); break; 347 case 'h': XDrawLine (d.display->display, d, GC, x0, y1, x1, y1); break;
309 case 'H': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x2, y1); break; 348 case 'H': XDrawLine (d.display->display, d, GC, x1, y1, x2, y1); break;
310 case 'v': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y0, x1, y1); break; 349 case 'v': XDrawLine (d.display->display, d, GC, x1, y0, x1, y1); break;
311 case 'V': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x1, y2); break; 350 case 'V': XDrawLine (d.display->display, d, GC, x1, y1, x1, y2); break;
312 case 'a': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y2, x2, y0); break; 351 case 'a': XDrawLine (d.display->display, d, GC, x0, y2, x2, y0); break;
313 case 'b': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y0, x2, y2); break; 352 case 'b': XDrawLine (d.display->display, d, GC, x0, y0, x2, y2); break;
314 } 353 }
315 } 354 }
316 355
317 gcv.line_width = 0; 356 gcv.line_width = 0;
318 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 357 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
358 }
359#if ENABLE_COMBINING
360 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
319 } 361 {
362 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];
363 f1->draw (d, x, y, &(t = cc->c1), 1, fg, bg);
364 if (cc->c2 != NOCHAR)
365 {
366 // prefer font of first character, for no good reasons
367 rxvt_font *f2 = f1->has_codepoint (cc->c2)
368 ? f1
369 : (*fs)[fs->find_font (cc->c2)];
370
371 f2->draw (d, x, y, &(t = cc->c2), 1, fg, -1);
372 }
373 }
374#endif
320 else 375 else
321 switch (*text++) 376 switch (t)
322 { 377 {
323 case NOCHAR:
324 case ZERO_WIDTH_CHAR: 378 case ZERO_WIDTH_CHAR:
325 break; 379 break;
326 default: 380 default:
327 XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5); 381 int w = 0;
382 while (len > 0 && *text == NOCHAR)
383 {
384 ++text;
385 --len;
386 w += r->TermWin.fwidth;
387 }
388
389 XDrawRectangle (d.display->display, d, GC, x + 2, y + 2,
390 w + r->TermWin.fwidth - 5, r->TermWin.fheight - 5);
391 x += w;
328 } 392 }
329 393
330 x += r->TermWin.fwidth; 394 x += r->TermWin.fwidth;
331 } 395 }
332} 396}
337 rxvt_font_x11 () { f = 0; } 401 rxvt_font_x11 () { f = 0; }
338 402
339 void clear (); 403 void clear ();
340 404
341 rxvt_fontprop properties (); 405 rxvt_fontprop properties ();
342 rxvt_fontprop properties (XFontStruct *f);
343 406
344 bool load (const rxvt_fontprop &prop); 407 bool load (const rxvt_fontprop &prop);
345 408
346 bool has_codepoint (uint32_t unicode); 409 bool has_codepoint (unicode_t unicode);
347 410
348 void draw (int x, int y, 411 void draw (rxvt_drawable &d, int x, int y,
349 const text_t *text, int len, 412 const text_t *text, int len,
350 int fg, int bg); 413 int fg, int bg);
351 414
352 XFontStruct *f; 415 XFontStruct *f;
353 codeset cs; 416 codeset cs;
354 bool enc2b, encm; 417 bool enc2b, encm;
355 418
356 const char *get_property (XFontStruct *f, const char *property, const char *repl) const; 419 const char *get_property (XFontStruct *f, const char *property, const char *repl) const;
420 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
421 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
422 bool set_properties (rxvt_fontprop &p, const char *name);
357}; 423};
358 424
359const char * 425const char *
360rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 426rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const
361{ 427{
368} 434}
369 435
370rxvt_fontprop 436rxvt_fontprop
371rxvt_font_x11::properties () 437rxvt_font_x11::properties ()
372{ 438{
373 return properties (f);
374}
375
376rxvt_fontprop
377rxvt_font_x11::properties (XFontStruct *f)
378{
379 rxvt_fontprop p; 439 rxvt_fontprop p;
440 set_properties (p, f);
441 return p;
442}
380 443
444bool
445rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
446{
447 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
448 p.height = height;
449 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
450 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
451
452 return true;
453}
454
455bool
456rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
457{
381 const char *weight = get_property (f, "WEIGHT_NAME", "medium"); 458 const char *weight = get_property (f, "WEIGHT_NAME", "medium");
382 const char *slant = get_property (f, "SLANT", "r"); 459 const char *slant = get_property (f, "SLANT", "r");
383 460
384 p.height = height; 461 unsigned long height;
385 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 462 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
386 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 463 return false;
387 464
388 return p; 465 unsigned long avgwidth;
466 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
467 avgwidth = 0;
468
469 return set_properties (p, height, weight, slant, avgwidth);
470}
471
472bool
473rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
474{
475 int slashes = 0;
476 const char *comp[13];
477
478 for (const char *c = name; *c; c++)
479 if (*c == '-')
480 {
481 comp[slashes++] = c + 1;
482 if (slashes >= 13)
483 break;
484 }
485
486 /* can we short-circuit the costly XLoadQueryFont? */
487 if (slashes >= 13
488 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
489 && (*comp[11] >= '0' && *comp[11] <= '9'))
490 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
491
492 XFontStruct *f = XLoadQueryFont (DISPLAY, name);
493
494 if (f)
495 {
496 // the font should really exist now. if not, we have a problem
497 // (e.g. if the user did xset fp rehash just when we were searching fonts).
498 // in that case, just return garbage.
499 bool ret = set_properties (p, f);
500 XFreeFont (DISPLAY, f);
501 return ret;
502 }
503 else
504 return false;
505}
506
507// fix the size of scalable fonts
508static void
509fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)
510{
511 int slashes = 0;
512 const char *size;
513
514 for (const char *c = name; *c; c++)
515 if (*c == '-')
516 {
517 if (slashes == 6)
518 size = c + 1;
519
520 if (++slashes >= 13)
521 break;
522 }
523
524 if (slashes >= 13 && size[0] == '0')
525 {
526 strncpy (buf, name, size - name);
527 buf += size - name;
528 buf += sprintf (buf, "%d", prop.height);
529 strcpy (buf, size + 1);
530 }
531 else
532 strcpy (buf, name);
389} 533}
390 534
391bool 535bool
392rxvt_font_x11::load (const rxvt_fontprop &prop) 536rxvt_font_x11::load (const rxvt_fontprop &prop)
393{ 537{
394 clear (); 538 clear ();
395 539
396 char **list; 540 char **list;
397 int count; 541 int count;
398 XFontStruct *info;
399 list = XListFontsWithInfo (DISPLAY, name, 128, &count, &info); 542 list = XListFonts (DISPLAY, name, 512, &count);
543 set_name (0);
400 544
401 if (!list) 545 if (!list)
402 return false; 546 return false;
403 547
404 int bestdiff = 0x7fffffff; 548 int bestdiff = 0x7fffffff;
405 XFontStruct *best = 0;
406 for (int i = 0; i < count; i++) 549 for (int i = 0; i < count; i++)
407 { 550 {
408 XFontStruct *f = info + i; 551 rxvt_fontprop p;
552 char fname[1024];
553 fix_scalable (fname, list[i], prop);
409 554
555 if (!set_properties (p, fname))
556 continue;
557
410 if (f->ascent + f->descent <= prop.height) // weed out too large fonts 558 if (p.height > prop.height) // weed out too large fonts
411 { 559 continue;
412 rxvt_fontprop p = properties (f); 560
413 int diff = (prop.height - f->ascent + f->descent) * 32 561 int diff = (prop.height - p.height) * 32
414 + abs (prop.weight - p.weight) 562 + abs (prop.weight - p.weight)
415 + abs (prop.slant - p.slant ); 563 + abs (prop.slant - p.slant );
416 564
417 if (!best // compare against best found so far 565 if (!name // compare against best found so far
418 || diff < bestdiff) 566 || diff < bestdiff)
419 { 567 {
420 best = f; 568 set_name (strdup (fname));
421 bestdiff = diff; 569 bestdiff = diff;
422 } 570 }
423 }
424 } 571 }
425 572
573 XFreeFontNames (list);
574
426 if (!best) 575 if (!name)
427 return false; 576 return false;
428
429 set_name (strdup (list[best - info]));
430
431 XFreeFontInfo (list, info, count);
432 577
433 f = XLoadQueryFont (DISPLAY, name); 578 f = XLoadQueryFont (DISPLAY, name);
434 579
435 if (!f) 580 if (!f)
436 return false; 581 return false;
437
438 unsigned long value;
439 582
440 const char *registry = get_property (f, "CHARSET_REGISTRY", 0); 583 const char *registry = get_property (f, "CHARSET_REGISTRY", 0);
441 const char *encoding = get_property (f, "CHARSET_ENCODING", 0); 584 const char *encoding = get_property (f, "CHARSET_ENCODING", 0);
442 585
443 if (registry && encoding) 586 if (registry && encoding)
518 f = 0; 661 f = 0;
519 } 662 }
520} 663}
521 664
522bool 665bool
523rxvt_font_x11::has_codepoint (uint32_t unicode) 666rxvt_font_x11::has_codepoint (unicode_t unicode)
524{ 667{
525 uint32_t ch = FROM_UNICODE (cs, unicode); 668 uint32_t ch = FROM_UNICODE (cs, unicode);
526 669
527 if (ch == NOCHAR) 670 if (ch == NOCHAR)
528 return false; 671 return false;
530 /* check wether the character exists in _this_ font. horrible. */ 673 /* check wether the character exists in _this_ font. horrible. */
531 XCharStruct *xcs; 674 XCharStruct *xcs;
532 675
533 if (encm) 676 if (encm)
534 { 677 {
535 int byte1 = ch >> 8; 678 unsigned char byte1 = ch >> 8;
536 int byte2 = ch & 255; 679 unsigned char byte2 = ch & 255;
537 680
538 if (byte1 < f->min_byte1 || byte1 > f->max_byte1 681 if (byte1 < f->min_byte1 || byte1 > f->max_byte1
539 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) 682 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
540 return false; 683 return false;
541 684
564 707
565 return true; 708 return true;
566} 709}
567 710
568void 711void
569rxvt_font_x11::draw (int x, int y, 712rxvt_font_x11::draw (rxvt_drawable &d, int x, int y,
570 const text_t *text, int len, 713 const text_t *text, int len,
571 int fg, int bg) 714 int fg, int bg)
572{ 715{
573 // this looks like a mess /. 716 // this looks like a mess /.
574 // and it is a mess /. 717 // and it is a mess /.
590 { 733 {
591 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 734 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
592 735
593 if (bg == Color_bg && !slow) 736 if (bg == Color_bg && !slow)
594 { 737 {
595 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 738 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
596 XDrawImageString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 739 XDrawImageString16 (d.display->display, d, GC, x, y + base, xc, len);
597 } 740 }
598 else 741 else
599 { 742 {
600 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 743 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
601 744
602 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 745 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
603 746
604 if (slow) 747 if (slow)
605 { 748 {
606 do 749 do
607 { 750 {
608 if (xc->byte1 || xc->byte2) 751 if (xc->byte1 || xc->byte2)
609 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 752 XDrawString16 (d.display->display, d, GC, x, y + base, xc, 1);
610 753
611 x += r->TermWin.fwidth; 754 x += r->TermWin.fwidth;
612 xc++; len--; 755 xc++; len--;
613 } 756 }
614 while (len); 757 while (len);
615 } 758 }
616 else 759 else
617 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 760 XDrawString16 (d.display->display, d, GC, x, y + base, xc, len);
618 } 761 }
619 } 762 }
620 else 763 else
621 { 764 {
622 const char *xc = enc_char (text, len, cs, slow); 765 const char *xc = enc_char (text, len, cs, slow);
623 766
624 if (bg == Color_bg && !slow) 767 if (bg == Color_bg && !slow)
625 { 768 {
626 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 769 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
627 XDrawImageString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 770 XDrawImageString (d.display->display, d, GC, x, y + base, xc, len);
628 } 771 }
629 else 772 else
630 { 773 {
631 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 774 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
632 775
633 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 776 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
634 777
635 if (slow) 778 if (slow)
636 { 779 {
637 do 780 do
638 { 781 {
639 if (*xc) 782 if (*xc)
640 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 783 XDrawString (d.display->display, d, GC, x, y + base, xc, 1);
641 784
642 x += r->TermWin.fwidth; 785 x += r->TermWin.fwidth;
643 xc++; len--; 786 xc++; len--;
644 } 787 }
645 while (len); 788 while (len);
646 } 789 }
647 else 790 else
648 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 791 XDrawString (d.display->display, d, GC, x, y + base, xc, len);
649 } 792 }
650 } 793 }
651} 794}
652 795
653///////////////////////////////////////////////////////////////////////////// 796/////////////////////////////////////////////////////////////////////////////
658//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables 801//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
659#define SWATHBITS 8 802#define SWATHBITS 8
660#endif 803#endif
661 804
662struct rxvt_font_xft : rxvt_font { 805struct rxvt_font_xft : rxvt_font {
663#if 0
664 enum {
665 SWATHCOUNT = 1 << (21 - UNIBITS),
666 SWATHSIZE = 1 << (SWATHBITS - 5)
667 };
668 typedef uint32_t swath[SWATHSIZE];
669
670 swath *cvr[SWATHCOUNT];
671#endif
672
673#if 0
674 void gen_coverage_swath (unsigned int page);
675
676 bool has_char (uint32_t ch)
677 {
678 unsigned int page = ch >> SWATHBITS;
679 unsigned int idx = ch & ((1 << SWATHBITS) - 1);
680
681 if (page >= SWATHCOUNT)
682 return false;
683
684 if (!cvr[page]) gen_coverage_swath (page);
685
686 return cvr[page][idx >> 5] & (1 << (idx & 31));
687 }
688#endif
689 rxvt_font_xft () { f = 0; d = 0; } 806 rxvt_font_xft () { f = 0; }
690 807
691 void clear (); 808 void clear ();
692 809
693 rxvt_fontprop properties (); 810 rxvt_fontprop properties ();
694 811
695 bool load (const rxvt_fontprop &prop); 812 bool load (const rxvt_fontprop &prop);
696 813
697 void draw (int x, int y, 814 void draw (rxvt_drawable &d, int x, int y,
698 const text_t *text, int len, 815 const text_t *text, int len,
699 int fg, int bg); 816 int fg, int bg);
700 817
701 bool has_codepoint (uint32_t unicode); 818 bool has_codepoint (unicode_t unicode);
702 819
703protected: 820protected:
704 XftFont *f; 821 XftFont *f;
705 XftDraw *d;
706
707#if 0
708 virtual void populate_coverage_swath (uint32_t lo, uint32_t hi) = 0;
709 void set_swath (uint32_t ch)
710 {
711 cvr[ch >> SWATHBITS] |= 1 << (ch & ((1 << SWATHBITS) - 1));
712 }
713#endif
714}; 822};
715 823
716void 824void
717rxvt_font_xft::clear () 825rxvt_font_xft::clear ()
718{ 826{
719 if (f) 827 if (f)
720 { 828 {
721 XftFontClose (DISPLAY, f); 829 XftFontClose (DISPLAY, f);
722 f = 0; 830 f = 0;
723 } 831 }
724
725 if (d)
726 {
727 XftDrawDestroy (d);
728 d = 0;
729 }
730
731#if 0
732 for (int i = 0; i < SWATHCOUNT; i++)
733 delete cvr[i];
734#endif
735} 832}
736 833
737rxvt_fontprop 834rxvt_fontprop
738rxvt_font_xft::properties () 835rxvt_font_xft::properties ()
739{ 836{
740 rxvt_fontprop p; 837 rxvt_fontprop p;
741 838
742 FT_Face face = XftLockFace (f); 839 FT_Face face = XftLockFace (f);
743 840
744 p.height = height; 841 p.width = width; p.height = height;
745 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium; 842 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium;
746 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman; 843 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman;
747 844
748 XftUnlockFace (f); 845 XftUnlockFace (f);
749 846
770 if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 867 if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)
771 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 868 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
772 869
773 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 870 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
774 FcPatternAddInteger (p, FC_SLANT, prop.slant); 871 FcPatternAddInteger (p, FC_SLANT, prop.slant);
872
873#if 0 // clipping unfortunately destroys our precious double-width-characters
874 // clip width, we can't do better, or can we?
875 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
876 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
877#endif
775 878
776 //FcPatternAddBool (p, FC_MINSPACE, 1); 879 //FcPatternAddBool (p, FC_MINSPACE, 1);
777 880
778 XftResult result; 881 XftResult result;
779 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 882 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
832 XftUnlockFace (f); 935 XftUnlockFace (f);
833 936
834 return true; 937 return true;
835} 938}
836 939
837#if 0
838void rxvt_font::gen_coverage_swath (unsigned int page)
839{
840 cvr[page] = new swath;
841
842 for (int i = 0; i < SWATHSIZE; i++)
843 cvr[page][i] = 0;
844
845 populate_coverage_swath (cvr[page], page << SWATHBITS, ((page + 1) << SWATHBITS) - 1);
846}
847#endif
848
849bool 940bool
850rxvt_font_xft::has_codepoint (uint32_t unicode) 941rxvt_font_xft::has_codepoint (unicode_t unicode)
851{ 942{
852 return XftCharExists (DISPLAY, f, unicode); 943 return XftCharExists (DISPLAY, f, unicode);
853} 944}
854 945
855void 946void
856rxvt_font_xft::draw (int x, int y, 947rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
857 const text_t *text, int len, 948 const text_t *text, int len,
858 int fg, int bg) 949 int fg, int bg)
859{ 950{
860 if (!d)
861 {
862 dR;
863 d = XftDrawCreate (DISPLAY, DRAWABLE, XVISUAL, XCMAP);
864 }
865
866 if (bg >= 0 && bg != Color_bg)
867 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);
868 else
869 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 951 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
870 952
871 if (!slow && width == r->TermWin.fwidth) 953 if (!slow && width == r->TermWin.fwidth && 0)
872 { 954 {
873 if (sizeof (text_t) == sizeof (FcChar16)) 955 if (sizeof (text_t) == sizeof (FcChar16))
874 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 956 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
875 else 957 else
876 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 958 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
879 { 961 {
880 while (len) 962 while (len)
881 { 963 {
882 if (*text != NOCHAR && *text != ' ') 964 if (*text != NOCHAR && *text != ' ')
883 { 965 {
966 int fwidth = r->TermWin.fwidth;
967 if (len >= 2 && text[1] == NOCHAR)
968 fwidth *= 2;
969
970 XGlyphInfo extents;
884 if (sizeof (text_t) == sizeof (FcChar16)) 971 if (sizeof (text_t) == sizeof (FcChar16))
885 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, 1); 972 {
973 XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);
974 XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
975 y + r->TermWin.fbase, (const FcChar16 *)text, 1);
976 }
886 else 977 else
887 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, 1); 978 {
979 XGlyphInfo extents;
980 XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);
981 XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
982 y + r->TermWin.fbase, (const FcChar32 *)text, 1);
983 }
888 } 984 }
889 985
890 x += r->TermWin.fwidth; 986 x += r->TermWin.fwidth;
891 text++; 987 text++;
892 len--; 988 len--;
896#endif 992#endif
897 993
898///////////////////////////////////////////////////////////////////////////// 994/////////////////////////////////////////////////////////////////////////////
899 995
900rxvt_fontset::rxvt_fontset (rxvt_t r) 996rxvt_fontset::rxvt_fontset (rxvt_t r)
901#ifdef EXPLICIT_CONTEXT
902: r(r) 997: r (r)
903#endif
904{ 998{
905 clear (); 999 clear ();
906} 1000}
907 1001
908rxvt_fontset::~rxvt_fontset () 1002rxvt_fontset::~rxvt_fontset ()
911} 1005}
912 1006
913void 1007void
914rxvt_fontset::clear () 1008rxvt_fontset::clear ()
915{ 1009{
916 for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++) 1010 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
917 FONT_UNREF (*i); 1011 FONT_UNREF (*i);
918 1012
919 fonts.clear (); 1013 fonts.clear ();
920 base_id = 0; 1014 base_id = 0;
921 base_prop.height = 0x7fffffff; 1015 base_prop.height = 0x7fffffff;
948 f = new rxvt_font_x11; 1042 f = new rxvt_font_x11;
949 } 1043 }
950 else 1044 else
951 f = new rxvt_font_x11; 1045 f = new rxvt_font_x11;
952 1046
1047 f->fs = this;
953 f->set_term (r); 1048 f->set_term (r);
954 f->set_name (strdup (name)); 1049 f->set_name (strdup (name));
955 1050
956 f->cs = cs; 1051 f->cs = cs;
957 f->loaded = false; 1052 f->loaded = false;
975 1070
976 if (*desc == '[') 1071 if (*desc == '[')
977 { 1072 {
978 fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); 1073 fprintf (stderr, "extra font parameters not yet supported, skipping.\n");
979 1074
980 const char *extra = desc++; 1075 //const char *extra = desc++; // not yet used
981 1076
982 desc = strchr (desc, ']'); 1077 desc = strchr (desc, ']');
983 1078
984 if (!desc) 1079 if (!desc)
985 { 1080 {
1024 } 1119 }
1025 1120
1026 return true; 1121 return true;
1027} 1122}
1028 1123
1029void 1124bool
1030rxvt_fontset::populate (const char *desc) 1125rxvt_fontset::populate (const char *desc)
1031{ 1126{
1032 clear (); 1127 clear ();
1033 1128
1034 fonts.push_back (new_font (0, CS_UNICODE)); 1129 fonts.push_back (new_font (0, CS_UNICODE));
1038 1133
1039 if (!base_id) 1134 if (!base_id)
1040 base_id = 1; 1135 base_id = 1;
1041 1136
1042 // we currently need a base-font, no matter what 1137 // we currently need a base-font, no matter what
1043 if (fonts.size () <= base_id || !realize_font (base_id)) 1138 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1044 { 1139 {
1140 puts ("unable to load specified font (s), falling back to 'fixed'\n");
1045 add_fonts ("fixed"); 1141 add_fonts ("fixed");
1046 base_id = fonts.size () - 1; 1142 base_id = fonts.size () - 1;
1047 } 1143 }
1048 1144
1049 if (fonts.size () <= base_id || !realize_font (base_id)) 1145 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1050 { 1146 return false;
1051 fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");
1052 exit (1);
1053 }
1054 1147
1055 base_prop = fonts[base_id]->properties (); 1148 base_prop = fonts[base_id]->properties ();
1149
1150 return true;
1056} 1151}
1057 1152
1058int 1153int
1059rxvt_fontset::find_font (uint32_t unicode) 1154rxvt_fontset::find_font (unicode_t unicode)
1060{ 1155{
1061 for (int i = 0; i < fonts.size (); i++) 1156 for (unsigned int i = 0; i < fonts.size (); i++)
1062 { 1157 {
1063 rxvt_font *f = fonts[i]; 1158 rxvt_font *f = fonts[i];
1064 1159
1065 if (!f->loaded) 1160 if (!f->loaded)
1066 { 1161 {

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