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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.134 by root, Wed Jan 23 09:42:02 2008 UTC vs.
Revision 1.220 by root, Sat Jul 3 04:47:08 2021 UTC

1/*----------------------------------------------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtfont.C 2 * File: rxvtfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> 4 * Copyright (c) 2003-2008 Marc Lehmann <schmorp@schmorp.de>
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 3 of the License, or
10 * (at your option) any later version. 10 * (at your option) any later version.
11 * 11 *
12 * This program is distributed in the hope that it will be useful, 12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
22#include "../config.h" 22#include "../config.h"
23#include "rxvt.h" 23#include "rxvt.h"
24#include "rxvtutil.h" 24#include "rxvtutil.h"
25#include "rxvtfont.h" 25#include "rxvtfont.h"
26 26
27#include <cstdlib> 27#include <stdlib.h>
28 28
29#include <inttypes.h> 29#include <inttypes.h>
30
31#if XFT
32# include <fontconfig/fontconfig.h>
33#endif
30 34
31#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width 35#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width
32#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts 36#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts
33 37
34#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \ 38#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \
35 (prop)->slant >= rxvt_fontprop::italic \ 39 (prop)->slant >= rxvt_fontprop::italic \
36 ? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \ 40 ? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \
37 : ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \ 41 : ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \
38 )) 42 ))
39 43
40const struct rxvt_fallback_font { 44static const struct rxvt_fallback_font {
41 codeset cs; 45 codeset cs;
42 const char *name; 46 const char *name;
43} fallback_fonts[] = { 47} fallback_fonts[] = {
44 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" }, 48 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },
45 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" }, 49 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },
… …
79 83
80 // japanese 84 // japanese
81#if ENCODING_JP || ENCODING_JP_EXT 85#if ENCODING_JP || ENCODING_JP_EXT
82# if XFT 86# if XFT
83 // prefer xft for complex scripts 87 // prefer xft for complex scripts
88 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
84 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, 89 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
85 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
86 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" }, 90 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
87 { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" }, 91 { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
88# endif 92# endif
89 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 93 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
90 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 94 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
… …
128 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, 132 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
129 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" }, 133 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
130# endif 134# endif
131#endif 135#endif
132 136
133 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
134 //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs. 137 //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
135#if XFT 138#if XFT
136 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" }, 139 { CS_UNICODE, "xft:DejaVu Sans Mono:antialias=false:autohint=true" },
137 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 140 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
138 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, 141 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
139 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" }, 142 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
140 143
141 // FreeMono is usually uglier than x fonts, so try after the others 144 // FreeMono is usually uglier than x fonts, so try after the others
142 { CS_UNICODE, "xft:FreeMono:autohint=true" }, 145 { CS_UNICODE, "xft:FreeMono:autohint=true" },
143#endif 146#endif
144 147
… …
155 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 158 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
156 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 159 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
157 0x304c, 0x672c, // が本 160 0x304c, 0x672c, // が本
158}; 161};
159 162
160#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
161
162#define dTermDisplay Display *disp = term->dpy 163#define dTermDisplay Display *disp = term->dpy
163#define dTermGC GC gc = term->gc 164#define dTermGC GC gc = term->gc
164 165
165///////////////////////////////////////////////////////////////////////////// 166/////////////////////////////////////////////////////////////////////////////
166 167
… …
216: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset) 217: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
217{ 218{
218} 219}
219 220
220void 221void
221rxvt_font::set_name (char *name) 222rxvt_font::set_name (char *name_)
222{ 223{
223 if (this->name == name) 224 if (name == name_)
224 return; 225 return;
225 226
226 if (this->name) free (this->name); // let the compiler optimize 227 if (name) free (name); // let the compiler optimize
227 this->name = name; 228 name = name_;
228} 229}
229 230
230void 231void
231rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const 232rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const
232{ 233{
… …
236 if (color == Color_bg || color == Color_transparent) 237 if (color == Color_bg || color == Color_transparent)
237 XClearArea (disp, d, x, y, w, h, false); 238 XClearArea (disp, d, x, y, w, h, false);
238 else if (color >= 0) 239 else if (color >= 0)
239 { 240 {
240#if XFT 241#if XFT
241 bool done = false; 242 Picture dst;
242 243
243# ifdef HAVE_BG_PIXMAP 244# ifdef HAVE_IMG
244 if (term->bgPixmap.pixmap && color >= 0 && !term->pix_colors[color].is_opaque ()) 245 if (term->bg_img
245 { 246 && !term->pix_colors[color].is_opaque ()
246 Picture dst = XftDrawPicture (d); 247 && ((dst = XftDrawPicture (d))))
247
248 if (dst != 0)
249 { 248 {
250 XClearArea (disp, d, x, y, w, h, false); 249 XClearArea (disp, d, x, y, w, h, false);
250
251 Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c); 251 Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c);
252 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h); 252 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h);
253 done = true;
254 } 253 }
255 } 254 else
256# endif 255# endif
257 if (!done)
258 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h); 256 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
259 257
260#else 258#else
261 XSetForeground (disp, gc, term->pix_colors[color]); 259 XSetForeground (disp, gc, term->pix_colors[color]);
262 XFillRectangle (disp, d, gc, x, y, w, h); 260 XFillRectangle (disp, d, gc, x, y, w, h);
… …
264 } 262 }
265} 263}
266 264
267///////////////////////////////////////////////////////////////////////////// 265/////////////////////////////////////////////////////////////////////////////
268 266
269struct rxvt_font_default : rxvt_font { 267struct rxvt_font_default : rxvt_font
268{
270 struct rxvt_fontset *fs; 269 struct rxvt_fontset *fs;
271 270
272 rxvt_font_default (rxvt_fontset *fs) 271 rxvt_font_default (rxvt_fontset *fs)
273 : rxvt_font () 272 : rxvt_font ()
274 { 273 {
… …
314 if (unicode >= 0x2500 && unicode <= 0x259f && 313 if (unicode >= 0x2500 && unicode <= 0x259f &&
315 !term->option (Opt_skipBuiltinGlyphs)) 314 !term->option (Opt_skipBuiltinGlyphs))
316 return true; 315 return true;
317#endif 316#endif
318 317
319 if (IS_COMPOSE (unicode)) 318 // we do not check for IS_COMPOSE here, as this would
320 return true; 319 // rob other fonts from taking over.
321 320
322 switch (unicode) 321 switch (unicode)
323 { 322 {
324 case ZERO_WIDTH_CHAR: 323 case ZERO_WIDTH_CHAR:
325 case NOCHAR: 324 case NOCHAR:
… …
346 345
347 XSetForeground (disp, gc, term->pix_colors[fg]); 346 XSetForeground (disp, gc, term->pix_colors[fg]);
348 347
349 while (len) 348 while (len)
350 { 349 {
350 const text_t *tp = text;
351 text_t t = *tp;
352
353 while (++text, --len && *text == NOCHAR)
354 ;
355
351#if ENABLE_COMBINING 356#if ENABLE_COMBINING
352 compose_char *cc; 357 compose_char *cc;
353#endif 358#endif
354 const text_t *tp = text;
355 text_t t = *tp;
356
357 while (++text, --len && *text == NOCHAR)
358 ;
359
360 int width = text - tp; 359 int width = text - tp;
361 int fwidth = term->fwidth * width; 360 int fwidth = term->fwidth * width;
362 361
363#ifdef BUILTIN_GLYPHS 362#ifdef BUILTIN_GLYPHS
364 if (0x2500 <= t && t <= 0x259f) 363 if (0x2500 <= t && t <= 0x259f)
… …
446#endif 445#endif
447#if ENABLE_COMBINING 446#if ENABLE_COMBINING
448 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 447 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
449 { 448 {
450 min_it (width, 2); // we only support wcwidth up to 2 449 min_it (width, 2); // we only support wcwidth up to 2
451
452 text_t chrs[2]; 450 text_t chrs[2];
453 chrs [1] = NOCHAR; 451 chrs [1] = NOCHAR;
454 452
455 *chrs = cc->c1; 453 *chrs = cc->c1;
456 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 454 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
457 f1->draw (d, x, y, chrs, width, fg, bg); 455 f1->draw (d, x, y, chrs, width, fg, bg);
458 456
459 if (cc->c2 != NOCHAR) 457 if (cc->c2 != NOCHAR)
460 { 458 {
461 bool careful; 459 bool careful;
462 460
463 // prefer font of first character, for no good reasons 461 // prefer font of first character, for no good reasons
464 *chrs = cc->c2; 462 *chrs = cc->c2;
465 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) 463 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
466 ? f1 464 ? f1
467 : (*fs)[fs->find_font (cc->c2)]; 465 : (*fs)[fs->find_font_idx (cc->c2)];
468 466
469 f2->draw (d, x, y, chrs, width, fg, Color_none); 467 f2->draw (d, x, y, chrs, width, fg, Color_none);
470 } 468 }
471 } 469 }
472#endif 470#endif
… …
476 case '\t': 474 case '\t':
477 case ZERO_WIDTH_CHAR: 475 case ZERO_WIDTH_CHAR:
478 case NOCHAR: 476 case NOCHAR:
479 break; 477 break;
480 478
479 /*
480 * If the base font does not support variation selectors, treat them as ZWC.
481 * a point could be made to do this for all wcwidth == 0 characters, but I
482 * decided against that until more data is available.
483 */
484 case 0xfe00: case 0xfe01: case 0xfe02: case 0xfe03: case 0xfe04: case 0xfe05: case 0xfe06: case 0xfe07:
485 case 0xfe08: case 0xfe09: case 0xfe0a: case 0xfe0b: case 0xfe0c: case 0xfe0d: case 0xfe0e: case 0xfe0f:
486 break;
487
481 default: 488 default:
482 XDrawRectangle (disp, d, gc, x + 2, y + 2, 489 XDrawRectangle (disp, d, gc, x + 2, y + 2,
483 fwidth - 4, term->fheight - 4); 490 fwidth - 4, term->fheight - 4);
484 } 491 }
485 492
486 x += fwidth; 493 x += fwidth;
487 } 494 }
488} 495}
489 496
497struct rxvt_font_overflow : rxvt_font
498{
499 struct rxvt_fontset *fs;
500
501 rxvt_font_overflow (rxvt_fontset *fs)
502 : rxvt_font ()
503 {
504 this->fs = fs;
505 }
506
507 rxvt_fontprop properties ()
508 {
509 rxvt_fontprop p;
510
511 p.width = p.height = 1;
512 p.ascent = rxvt_fontprop::unset;
513 p.weight = rxvt_fontprop::medium;
514 p.slant = rxvt_fontprop::roman;
515
516 return p;
517 }
518
519 bool load (const rxvt_fontprop &prop, bool force_prop)
520 {
521 width = 1; height = 1;
522 ascent = 1; descent = 0;
523
524 set_name (strdup ("built-in rendition overflow font"));
525
526 return true;
527 }
528
529 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
530 {
531 return false;
532 }
533
534 void draw (rxvt_drawable &d, int x, int y,
535 const text_t *text, int len,
536 int fg, int bg)
537 {
538 while (len)
539 {
540 int fid = fs->find_font_idx (*text);
541 int w = 1;
542 while (w < len && text[w] == NOCHAR)
543 w++;
544 (*fs)[fid]->draw (d, x, y, text, w, fg, bg);
545 text += w;
546 len -= w;
547 x += term->fwidth * w;
548 }
549 }
550};
551
490///////////////////////////////////////////////////////////////////////////// 552/////////////////////////////////////////////////////////////////////////////
491 553
492struct rxvt_font_x11 : rxvt_font { 554struct rxvt_font_x11 : rxvt_font
555{
493 rxvt_font_x11 () { f = 0; } 556 rxvt_font_x11 () { f = 0; }
494 557
495 void clear (); 558 void clear ();
496 559
497 rxvt_fontprop properties (); 560 rxvt_fontprop properties ();
… …
502 565
503 void draw (rxvt_drawable &d, int x, int y, 566 void draw (rxvt_drawable &d, int x, int y,
504 const text_t *text, int len, 567 const text_t *text, int len,
505 int fg, int bg); 568 int fg, int bg);
506 569
507 bool slow; // wether this is a proportional font or has other funny characteristics 570 bool slow; // whether this is a proportional font or has other funny characteristics
508 XFontStruct *f; 571 XFontStruct *f;
509 bool enc2b, encm; 572 bool enc2b, encm;
510 573
511 char *get_property (XFontStruct *f, Atom property, const char *repl) const; 574 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
512 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); 575 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
… …
669 f = XLoadQueryFont (disp, name); 732 f = XLoadQueryFont (disp, name);
670 733
671 if (!f) 734 if (!f)
672 return false; 735 return false;
673 736
674 char *new_name = get_property (f, XA_FONT, name); 737 char *new_name = get_property (f, XA_FONT, 0);
675 738
676 if (new_name) 739 if (new_name)
677 set_name (new_name); 740 set_name (new_name);
678 else 741 else
679 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 742 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
680 743
681 XFreeFont (disp, f); 744 XFreeFont (disp, f);
682 f = 0; 745 f = 0;
683 } 746 }
684 747
… …
741 free (fname); 804 free (fname);
742 if (replace_field (&fname, list[i], 11, '0', "0")) 805 if (replace_field (&fname, list[i], 11, '0', "0"))
743 diff += 300; // more heavily penalize what looks like scaled bitmap fonts 806 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
744 } 807 }
745 808
746 if (!set_properties (p, fname)) 809 if (!set_properties (p, fname)
810 // also weed out too large fonts
811 || (prop.height != rxvt_fontprop::unset
812 && p.height > prop.height))
813 {
814 free (fname);
747 continue; 815 continue;
748 816 }
749 if (prop.height != rxvt_fontprop::unset
750 && p.height > prop.height) // weed out too large fonts
751 continue;
752 817
753 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 818 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
754 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 819 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
755 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 820 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
756 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 821 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
… …
762 XFreeFontNames (list); 827 XFreeFontNames (list);
763 828
764 // this loop only iterates when the guessed font-size is too small 829 // this loop only iterates when the guessed font-size is too small
765 for (;;) 830 for (;;)
766 { 831 {
767 font_weight *best = fonts + count - 1; 832 font_weight *best = fonts;
768 833
769 for (font_weight *w = best; w-- > fonts; ) 834 for (font_weight *w = fonts + 1; w < fonts + count; w++)
770 if (w->diff <= best->diff) 835 if (w->diff < best->diff)
771 best = w; 836 best = w;
772 837
773 if (!best->name 838 if (!best->name
774 || !(f = XLoadQueryFont (disp, best->name))) 839 || !(f = XLoadQueryFont (disp, best->name)))
775 break; 840 break;
… …
795 return false; 860 return false;
796 861
797 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0); 862 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
798 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0); 863 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
799 864
865 cs = CS_UNKNOWN;
866
800 if (registry && encoding) 867 if (registry && encoding)
801 { 868 {
802 char charset[64]; 869 char charset[64];
803 snprintf (charset, 64, "%s-%s", registry, encoding); 870 snprintf (charset, 64, "%s-%s", registry, encoding);
804 871
805 cs = codeset_from_name (charset); 872 cs = codeset_from_name (charset);
806 } 873
807 else 874 if (cs == CS_UNKNOWN)
875 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
808 { 876 }
877
878 free (registry);
879 free (encoding);
880
881 if (cs == CS_UNKNOWN)
882 {
809 const char *charset = get_property (f, XA_FONT, 0); 883 char *value = get_property (f, XA_FONT, 0);
884 const char *charset = value;
810 885
811 if (!charset) 886 if (!charset)
812 charset = name; 887 charset = name;
813 888
814 int count = 13; 889 int count = 13;
815 while (*charset) 890 while (*charset)
816 if (*charset++ == '-' && !--count) 891 if (*charset++ == '-' && !--count)
817 break; 892 break;
818 893
819 cs = codeset_from_name (charset); 894 cs = codeset_from_name (charset);
895 if (cs == CS_UNKNOWN)
896 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
897
898 free (value);
899 }
900
901 if (cs == CS_UNKNOWN)
820 } 902 {
821 903 clear ();
822 free (registry); 904 return false;
823 free (encoding); 905 }
824 906
825 if (cs == CS_UNICODE) 907 if (cs == CS_UNICODE)
826 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 908 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
827 909
828 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 910 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
… …
853 } 935 }
854#endif 936#endif
855 937
856 width = 1; 938 width = 1;
857 939
858 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 940 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
859 { 941 {
860 if (FROM_UNICODE (cs, *t) == NOCHAR) 942 if (FROM_UNICODE (cs, *t) == NOCHAR)
861 continue; 943 continue;
862 944
863 // ignore characters we wouldn't use anyways 945 // ignore characters we wouldn't use anyways
864 bool careful; 946 bool careful;
865 if (!has_char (*t, &prop, careful)) 947 if (!has_char (*t, &prop, careful))
866 continue; 948 continue;
867 949
868 XChar2b ch = { *t >> 8, *t }; 950 // the casts are needed in C++11 (see 8.5.1)
951 XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t };
869 952
870 XCharStruct g; 953 XCharStruct g;
871 int dir_ret, asc_ret, des_ret; 954 int dir_ret, asc_ret, des_ret;
872 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 955 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
873 956
… …
875 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 958 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
876 959
877 if (width < g.width) width = g.width; 960 if (width < g.width) width = g.width;
878 } 961 }
879 962
880 if (cs == CS_UNKNOWN) 963#if 0 // do it per-character
964 if (prop && width > prop->width)
881 { 965 {
882 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
883
884 clear (); 966 clear ();
885 return false; 967 return false;
886 } 968 }
887
888#if 0 // do it per-character
889 if (prop && width > prop->width)
890 {
891 clear ();
892 return false;
893 }
894#endif 969#endif
895 970
896 return true; 971 return true;
897} 972}
898 973
… …
907} 982}
908 983
909bool 984bool
910rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const 985rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
911{ 986{
987 careful = false;
988
912 uint32_t ch = FROM_UNICODE (cs, unicode); 989 uint32_t ch = FROM_UNICODE (cs, unicode);
913 990
914 if (ch == NOCHAR) 991 if (ch == NOCHAR)
915 return false; 992 return false;
916 993
917 /* check wether the character exists in _this_ font. horrible. */ 994 /* check whether the character exists in _this_ font. horrible. */
918 XCharStruct *xcs; 995 XCharStruct *xcs;
919 996
920 if (encm) 997 if (encm)
921 { 998 {
922 unsigned char byte1 = ch >> 8; 999 unsigned char byte1 = ch >> 8;
… …
952 return false; 1029 return false;
953 1030
954 if (!prop || prop->width == rxvt_fontprop::unset) 1031 if (!prop || prop->width == rxvt_fontprop::unset)
955 return true; 1032 return true;
956 1033
957 // check wether character overlaps previous/next character 1034 // check whether character overlaps previous/next character
958 int w = xcs->rbearing - xcs->lbearing; 1035 int w = xcs->rbearing - xcs->lbearing;
959 int wcw = max (WCWIDTH (unicode), 1); 1036 int wcw = max (WCWIDTH (unicode), 1);
960 1037
961 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw; 1038 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
962 1039
… …
979 dTermDisplay; 1056 dTermDisplay;
980 dTermGC; 1057 dTermGC;
981 1058
982 bool slow = this->slow 1059 bool slow = this->slow
983 || width != term->fwidth 1060 || width != term->fwidth
984 || height != term->fheight; 1061 || height != term->fheight
1062 || ascent != f->ascent;
985 1063
986 int base = ascent; // sorry, incorrect: term->fbase; 1064 int base = ascent; // sorry, incorrect: term->fbase;
987 1065
988 XGCValues v; 1066 XGCValues v;
989 v.foreground = term->pix_colors[fg]; 1067 v.foreground = term->pix_colors[fg];
… …
1057 1135
1058///////////////////////////////////////////////////////////////////////////// 1136/////////////////////////////////////////////////////////////////////////////
1059 1137
1060#if XFT 1138#if XFT
1061 1139
1062struct rxvt_font_xft : rxvt_font { 1140struct rxvt_font_xft : rxvt_font
1141{
1142#if XFT_CHAR_CACHE
1143 // we cache the qascii range xoffsets in the name of speed,
1144 // expecting terminals to deal mostly with these characters
1145 // we also assume the xoff always fits into uint8_t,
1146 // which is questionable, but let's see...
1147 // also, it is uncomfortably big, due to the uints.
1148 enum { char_cache_min = 0x20, char_cache_max = 0x7e };
1149 uint8_t xoff_cache [char_cache_max - char_cache_min + 1];
1150 FT_UInt glyph_cache [char_cache_max - char_cache_min + 1];
1151#endif
1152
1063 rxvt_font_xft () { f = 0; } 1153 rxvt_font_xft ()
1154 {
1155 f = 0;
1156 }
1064 1157
1065 void clear (); 1158 void clear ();
1066 1159
1067 rxvt_fontprop properties (); 1160 rxvt_fontprop properties ();
1068 1161
… …
1136 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1229 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1137 1230
1138#if 0 // clipping unfortunately destroys our precious double-width-characters 1231#if 0 // clipping unfortunately destroys our precious double-width-characters
1139 // clip width, we can't do better, or can we? 1232 // clip width, we can't do better, or can we?
1140 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1233 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1141 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1234 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1142#endif 1235#endif
1143 1236
1144 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1237 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1145 FcPatternAddBool (p, FC_MINSPACE, 1); 1238 FcPatternAddBool (p, FC_MINSPACE, 1);
1146 1239
… …
1158 int ftheight = 0; 1251 int ftheight = 0;
1159 bool success = true; 1252 bool success = true;
1160 1253
1161 for (;;) 1254 for (;;)
1162 { 1255 {
1256 p = FcPatternDuplicate (match);
1163 f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); 1257 f = XftFontOpenPattern (disp, p);
1164 1258
1165 if (!f) 1259 if (!f)
1166 { 1260 {
1261 FcPatternDestroy (p);
1167 success = false; 1262 success = false;
1168 break; 1263 break;
1169 } 1264 }
1170 1265
1171 FT_Face face = XftLockFace (f); 1266 FT_Face face = XftLockFace (f);
… …
1179 1274
1180 XftUnlockFace (f); 1275 XftUnlockFace (f);
1181 1276
1182 int glheight = height; 1277 int glheight = height;
1183 1278
1184 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1279 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1185 { 1280 {
1186 FcChar16 ch = *t; 1281 FcChar16 ch = *t;
1187 1282
1188 if (cs != CS_UNICODE 1283 if (cs != CS_UNICODE
1189 && ch > 0x100 1284 && ch > 0x100
… …
1208 if (glheight < g.height - g.y) glheight = g.height - g.y; 1303 if (glheight < g.height - g.y) glheight = g.height - g.y;
1209 } 1304 }
1210 1305
1211 if (!width) 1306 if (!width)
1212 { 1307 {
1213 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name); 1308 rxvt_warn ("unable to calculate font width for '%s', using max_advance_width.\n", name);
1214 1309 width = f->max_advance_width;
1215 XftFontClose (disp, f);
1216 f = 0;
1217
1218 success = false;
1219 break; 1310 break;
1220 } 1311 }
1221 1312
1222 if (prop.height == rxvt_fontprop::unset 1313 if (prop.height == rxvt_fontprop::unset
1223 || (height <= prop.height && glheight <= prop.height) 1314 || (height <= prop.height && glheight <= prop.height)
… …
1250 clear (); 1341 clear ();
1251 success = false; 1342 success = false;
1252 } 1343 }
1253#endif 1344#endif
1254 1345
1346#if XFT_CHAR_CACHE
1347 // populate char cache
1348 for (FcChar16 ch = char_cache_min; ch <= char_cache_max; ++ch)
1349 {
1350 FT_UInt glyph = XftCharIndex (disp, f, ch);
1351 glyph_cache [ch - char_cache_min] = glyph;
1352
1353 XGlyphInfo g;
1354 XftGlyphExtents (disp, f, &glyph, 1, &g);
1355 xoff_cache [ch - char_cache_min] = g.xOff;
1356 }
1357#endif
1358
1255 return success; 1359 return success;
1256} 1360}
1257 1361
1258bool 1362bool
1259rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const 1363rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1260{ 1364{
1261 careful = false; 1365 careful = false;
1262 1366
1367 // handle non-bmp chars when text_t is 16 bit
1368#if ENABLE_COMBINING && !UNICODE_3
1369 if (ecb_expect_false (IS_COMPOSE (unicode)))
1370 if (compose_char *cc = rxvt_composite [unicode])
1371 if (cc->c2 == NOCHAR)
1372 unicode = cc->c1;
1373 else
1374 return false;
1375 else
1376 return false;
1377#endif
1378
1379 FcChar32 chr = unicode;
1380
1263 if (!XftCharExists (term->dpy, f, unicode)) 1381 if (!XftCharExists (term->dpy, f, chr))
1264 return false; 1382 return false;
1265 1383
1266 if (!prop || prop->width == rxvt_fontprop::unset) 1384 if (!prop || prop->width == rxvt_fontprop::unset)
1267 return true; 1385 return true;
1268 1386
1269 // check character against base font bounding box 1387 int wcw = max (WCWIDTH (chr), 1);
1270 FcChar32 ch = unicode; 1388
1271 XGlyphInfo g; 1389 XGlyphInfo g;
1272 XftTextExtents32 (term->dpy, f, &ch, 1, &g); 1390 XftTextExtents32 (term->dpy, f, &chr, 1, &g);
1391
1392 int cwidth = prop->width * wcw;
1393
1394 // use same adjustments as in ->draw, see there
1395 g.x += g.xOff ? cwidth - g.xOff >> 1 : 0;
1396 g.x += g.xOff ? 0 : cwidth;
1273 1397
1274 int w = g.width - g.x; 1398 int w = g.width - g.x;
1275 int wcw = max (WCWIDTH (unicode), 1);
1276 1399
1277 careful = g.x > 0 || w > prop->width * wcw; 1400 careful = g.x > 0 || w > cwidth;
1278 1401
1279 if (careful && !OVERLAP_OK (w, wcw, prop)) 1402 if (careful && !OVERLAP_OK (w, wcw, prop))
1280 return false; 1403 return false;
1281 1404
1282 // this weeds out _totally_ broken fonts, or glyphs 1405 // this weeds out _totally_ broken fonts, or glyphs
… …
1289void 1412void
1290rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1413rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1291 const text_t *text, int len, 1414 const text_t *text, int len,
1292 int fg, int bg) 1415 int fg, int bg)
1293{ 1416{
1294 XGlyphInfo extents; 1417 XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
1295 XftGlyphSpec *enc = (XftGlyphSpec *)rxvt_temp_buf (len * sizeof (XftGlyphSpec));
1296 XftGlyphSpec *ep = enc; 1418 XftGlyphSpec *ep = enc;
1297 1419
1298 dTermDisplay; 1420 dTermDisplay;
1299 dTermGC; 1421 dTermGC;
1300 1422
1301 int w = term->fwidth * len; 1423 int w = term->fwidth * len;
1302 int h = term->fheight; 1424 int h = term->fheight;
1303 1425
1304 /*
1305 * Maybe make buffering into a resource flag? Compile time option doesn't seems like a
1306 * good idea from the perspective of packaging for wide variety of user configs.
1307 */
1308 bool buffered = bg >= Color_transparent; 1426 bool buffered = bg >= Color_transparent
1309#ifdef FORCE_UNBUFFERED_XFT 1427 && term->option (Opt_buffered);
1310 buffered = false;
1311#endif
1312 1428
1313 // cut trailing spaces 1429 // cut trailing spaces
1314 while (len && text [len - 1] == ' ') 1430 while (len && text [len - 1] == ' ')
1315 len--; 1431 len--;
1316 1432
… …
1318 int y_ = buffered ? 0 : y; 1434 int y_ = buffered ? 0 : y;
1319 1435
1320 while (len) 1436 while (len)
1321 { 1437 {
1322 int cwidth = term->fwidth; 1438 int cwidth = term->fwidth;
1323 FcChar32 fc = *text++; len--; 1439 FcChar32 chr = *text++; len--;
1324 1440
1325 while (len && *text == NOCHAR) 1441 while (len && *text == NOCHAR)
1326 text++, len--, cwidth += term->fwidth; 1442 text++, len--, cwidth += term->fwidth;
1327 1443
1328 if (fc != ' ') // skip spaces 1444 if (chr != ' ') // skip spaces
1445 {
1446 // handle non-bmp chars when text_t is 16 bit
1447 #if ENABLE_COMBINING && !UNICODE_3
1448 if (ecb_expect_false (IS_COMPOSE (chr)))
1449 if (compose_char *cc = rxvt_composite [chr])
1450 if (cc->c2 == NOCHAR)
1451 chr = cc->c1;
1452 #endif
1453
1454 #if 0
1455 FT_UInt glyphs [decltype (exp)::max_size];
1456
1457 for (int i = 0; i < nchrs; ++i)
1458 glyphs [i] = XftCharIndex (disp, f, chrs [i]);
1459
1460 for (int i = 0; i < nchrs; ++i)
1329 { 1461 {
1462 XGlyphInfo ep;
1463 XftGlyphExtents (disp, f, glyphs+i, 1, &ep);
1464 printf ("gs %4x g %4x + %3d,%3d o %3d,%3d wh %3d,%3d\n", chrs[i],glyphs[i],ep.x,ep.y,ep.xOff,ep.yOff,ep.width,ep.height);
1465 }
1466 #endif
1467
1468 FT_UInt glyph;
1469 int xOff;
1470
1471 #if XFT_CHAR_CACHE
1472 if (ecb_expect_true (IN_RANGE_INC (chr, char_cache_min, char_cache_max)))
1473 {
1474 glyph = glyph_cache [chr - char_cache_min];
1475 xOff = xoff_cache [chr - char_cache_min];
1476 }
1477 else
1478 #endif
1479 {
1330 FT_UInt glyph = XftCharIndex (disp, f, fc); 1480 glyph = XftCharIndex (disp, f, chr);
1481 XGlyphInfo extents;
1331 XftGlyphExtents (disp, f, &glyph, 1, &extents); 1482 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1483 xOff = extents.xOff;
1484 }
1332 1485
1333 ep->glyph = glyph; 1486 ep->glyph = glyph;
1334 ep->x = x_ + (cwidth - extents.xOff >> 1); 1487 ep->x = x_;
1335 ep->y = y_ + ascent; 1488 ep->y = y_ + ascent;
1336 1489
1337 if (extents.xOff == 0) 1490 // the xft font cell might differ from the terminal font cell,
1491 // in which case we use the average between the two.
1492 ep->x += xOff ? cwidth - xOff >> 1 : 0;
1493
1494 // xft/freetype represent combining characters as characters with zero
1495 // width rendered over the previous character with some fonts, while
1496 // in other fonts, they are considered normal characters, while yet
1497 // in other fonts, they are shifted all over the place.
1498 // we handle the first two cases by keying off on xOff being 0
1499 // for zero-width chars. normally, we would add extents.xOff
1500 // of the base character here, but we don't have that, so we use cwidth.
1338 ep->x = x_ + cwidth; 1501 ep->x += xOff ? 0 : cwidth;
1339 1502
1340 ep++; 1503 ++ep;
1341 } 1504 }
1342 1505
1343 x_ += cwidth; 1506 x_ += cwidth;
1344 } 1507 }
1345 1508
1346 if (buffered) 1509 if (buffered)
1347 { 1510 {
1348 if (ep != enc) 1511 if (ep != enc)
1349 { 1512 {
1350 bool back_rendered = false;
1351 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h); 1513 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1352 1514
1353#ifdef HAVE_BG_PIXMAP 1515#ifdef HAVE_IMG
1516 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1354 1517
1355 if (term->bgPixmap.pixmap 1518 if (term->bg_img
1356 && !(bg >= 0 && term->pix_colors[bg].is_opaque ())) 1519 && (bg == Color_transparent || bg == Color_bg
1520 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1357 { 1521 {
1358 Picture dst = XftDrawPicture (d2);
1359
1360 int src_x = x, src_y = y; 1522 int src_x = x, src_y = y;
1361 1523
1362 if (term->bgPixmap.is_parentOrigin ()) 1524 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1363 { 1525 {
1364 src_x += term->window_vt_x; 1526 src_x += term->window_vt_x;
1365 src_y += term->window_vt_y; 1527 src_y += term->window_vt_y;
1366 } 1528 }
1367 1529
1368 if (term->bgPixmap.pmap_width >= src_x+w 1530 if (term->bg_img->w >= src_x + w
1369 && term->bgPixmap.pmap_height >= src_y+h) 1531 && term->bg_img->h >= src_y + h)
1370 { 1532 {
1371 XCopyArea (disp, term->bgPixmap.pixmap, d2, gc, 1533 XCopyArea (disp, term->bg_img->pm, d2, gc,
1372 src_x, src_y, w, h, 0, 0); 1534 src_x, src_y, w, h, 0, 0);
1373 } 1535 }
1374 else 1536 else
1375 { 1537 {
1376 XGCValues gcv; 1538 XGCValues gcv;
1377 1539
1378 gcv.fill_style = FillTiled; 1540 gcv.fill_style = FillTiled;
1379 gcv.tile = term->bgPixmap.pixmap; 1541 gcv.tile = term->bg_img->pm;
1380 gcv.ts_x_origin = -src_x; 1542 gcv.ts_x_origin = -src_x;
1381 gcv.ts_y_origin = -src_y; 1543 gcv.ts_y_origin = -src_y;
1382 1544
1383 XChangeGC (disp, gc, 1545 XChangeGC (disp, gc,
1384 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle, 1546 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
… …
1388 1550
1389 gcv.fill_style = FillSolid; 1551 gcv.fill_style = FillSolid;
1390 XChangeGC (disp, gc, GCFillStyle, &gcv); 1552 XChangeGC (disp, gc, GCFillStyle, &gcv);
1391 } 1553 }
1392 1554
1393 if (bg >= 0 && dst) // colour must be (and is) non-opaque here 1555 if (dst)
1394 { 1556 {
1395 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c); 1557 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1558
1559 // dst can only be set when bg >= 0
1396 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h); 1560 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1397 } 1561 }
1398
1399 back_rendered = true;
1400 } 1562 }
1563 else
1401#endif 1564#endif
1402
1403 if (!back_rendered)
1404 XftDrawRect (d2, &term->pix_colors[bg < 0 ? Color_bg : bg].c, 0, 0, w, h); 1565 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1405 1566
1406 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc); 1567 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1407 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y); 1568 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1408 } 1569 }
1409 else 1570 else
… …
1437 prop.width = prop.height = prop.ascent = prop.weight = prop.slant 1598 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1438 = rxvt_fontprop::unset; 1599 = rxvt_fontprop::unset;
1439 force_prop = false; 1600 force_prop = false;
1440 1601
1441 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1602 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1442 FONT_UNREF (*i); 1603 (*i)->unref ();
1443 1604
1444 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1605 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1445 delete *p; 1606 delete *p;
1446 1607
1447 free (fontdesc); fontdesc = 0; 1608 free (fontdesc); fontdesc = 0;
… …
1449 fonts.clear (); 1610 fonts.clear ();
1450 1611
1451 fallback = fallback_fonts; 1612 fallback = fallback_fonts;
1452} 1613}
1453 1614
1615void
1616rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1617{
1618 font->set_term (term);
1619
1620 font->cs = cs;
1621 font->loaded = false;
1622}
1623
1454rxvt_font * 1624rxvt_font *
1455rxvt_fontset::new_font (const char *name, codeset cs) 1625rxvt_fontset::new_font (const char *name, codeset cs)
1456{ 1626{
1457 rxvt_font *f; 1627 rxvt_font *f;
1458 1628
… …
1474 f = new rxvt_font_x11; 1644 f = new rxvt_font_x11;
1475 } 1645 }
1476 else 1646 else
1477 f = new rxvt_font_x11; 1647 f = new rxvt_font_x11;
1478 1648
1479 f->set_term (term);
1480 f->set_name (strdup (name)); 1649 f->set_name (strdup (name));
1481 1650 prepare_font (f, cs);
1482 f->cs = cs;
1483 f->loaded = false;
1484 1651
1485 return f; 1652 return f;
1486} 1653}
1487 1654
1488///////////////////////////////////////////////////////////////////////////// 1655/////////////////////////////////////////////////////////////////////////////
1656
1657void
1658rxvt_fontset::push_font (rxvt_font *font)
1659{
1660 // the fontCount index is reserved for the overflow font, it is only
1661 // necessary when we get fontCount or more fonts, as they cannot be
1662 // represented in the rendition.
1663 if (fonts.size () == fontCount)
1664 {
1665 rxvt_font *f = new rxvt_font_overflow (this);
1666
1667 prepare_font (f, CS_UNICODE);
1668 fonts.push_back (f);
1669 }
1670
1671 fonts.push_back (font);
1672}
1489 1673
1490void 1674void
1491rxvt_fontset::add_fonts (const char *desc) 1675rxvt_fontset::add_fonts (const char *desc)
1492{ 1676{
1493 if (desc) 1677 if (desc)
… …
1522 cs = codeset_from_name (spec + sizeof ("codeset=") - 1); 1706 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1523 else 1707 else
1524 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); 1708 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1525 1709
1526 desc++; 1710 desc++;
1527 while (*desc <= ' ') desc++; 1711 while (*desc <= ' ' && *desc) desc++;
1528 } 1712 }
1529 1713
1530 end = strchr (desc, ','); 1714 end = strchr (desc, ',');
1531 if (!end) 1715 if (!end)
1532 end = desc + strlen (desc); 1716 end = desc + strlen (desc);
… …
1534 if (end - desc < 511) 1718 if (end - desc < 511)
1535 { 1719 {
1536 memcpy (buf, desc, end - desc); 1720 memcpy (buf, desc, end - desc);
1537 buf[end - desc] = 0; 1721 buf[end - desc] = 0;
1538 1722
1539 fonts.push_back (new_font (buf, cs)); 1723 push_font (new_font (buf, cs));
1540 } 1724 }
1541 else 1725 else
1542 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1726 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1543 1727
1544 desc = end + 1; 1728 desc = end + 1;
1545 } 1729 }
1546 while (*end); 1730 while (*end);
1547 } 1731 }
… …
1572{ 1756{
1573 clear (); 1757 clear ();
1574 1758
1575 fontdesc = strdup (desc); 1759 fontdesc = strdup (desc);
1576 1760
1577 fonts.push_back (new_font (0, CS_UNICODE)); 1761 push_font (new_font (0, CS_UNICODE));
1578 realize_font (0); 1762 realize_font (0);
1579 1763
1580 add_fonts (desc); 1764 add_fonts (desc);
1581 1765
1582 return true; 1766 return true;
… …
1591 1775
1592 return -1; 1776 return -1;
1593} 1777}
1594 1778
1595int 1779int
1596rxvt_fontset::find_font (unicode_t unicode) 1780rxvt_fontset::find_font_idx (unicode_t unicode)
1597{ 1781{
1598 if (unicode >= 1<<20) 1782 // this limits fmap size. it has to accommodate COMPOSE_HI when UNICODE_3
1783 if (unicode > 0x1fffff)
1599 return 0; 1784 return 0;
1600 1785
1601 unicode_t hi = unicode >> 8; 1786 unicode_t hi = unicode >> 8;
1602 1787
1603 if (hi < fmap.size () 1788 if (hi < fmap.size ())
1604 && fmap[hi] 1789 if (pagemap *pm = fmap[hi])
1605 && (*fmap[hi])[unicode & 0xff] != 0xff) 1790 if ((*pm)[unicode & 0xff] != 0xff)
1606 return (*fmap[hi])[unicode & 0xff]; 1791 return (*pm)[unicode & 0xff];
1607 1792
1608 unsigned int i; 1793 unsigned int i;
1609 1794
1610 for (i = 0; i < fonts.size (); i++) 1795 for (i = 0; i < fonts.size (); i++)
1611 { 1796 {
… …
1627 goto next_font; 1812 goto next_font;
1628 1813
1629 bool careful; 1814 bool careful;
1630 if (f->has_char (unicode, &prop, careful)) 1815 if (f->has_char (unicode, &prop, careful))
1631 { 1816 {
1632 if (careful) 1817 i = (i << 1) | careful;
1633 i |= 128;
1634 1818
1635 goto found; 1819 goto found;
1636 } 1820 }
1637 1821
1638 next_font: 1822 next_font:
1639 if (i == fonts.size () - 1) 1823 if (i == fonts.size () - 1)
1640 { 1824 {
1825 // compose characters are handled by the default font, unless another font takes over
1826 // we do not go via the fallback list for speed reasons.
1827 if (IS_COMPOSE (unicode))
1828 return 0;
1829
1641 if (fallback->name) 1830 if (fallback->name)
1642 { 1831 {
1643 // search through the fallback list 1832 // search through the fallback list
1644 fonts.push_back (new_font (fallback->name, fallback->cs)); 1833 push_font (new_font (fallback->name, fallback->cs));
1645 fallback++; 1834 fallback++;
1646 } 1835 }
1647 else 1836 else
1648 { 1837 {
1649 // try to find a new font. 1838 // try to find a new font.
… …
1651 // way to configure this and xft is easier to hack in, 1840 // way to configure this and xft is easier to hack in,
1652 // while x11 has more framework in place already. 1841 // while x11 has more framework in place already.
1653 // TODO: this is a real resource hog, xft takes ages(?) 1842 // TODO: this is a real resource hog, xft takes ages(?)
1654#if XFT && USE_SLOW_LOOKUP 1843#if XFT && USE_SLOW_LOOKUP
1655 // grab the first xft font that seems suitable 1844 // grab the first xft font that seems suitable
1845 // TOOD: should go first for cellchar (spacing 110) then mono, then else
1656 FcPattern *p = FcPatternCreate (); 1846 FcPattern *p = FcPatternCreate ();
1657 1847
1658 FcCharSet *s = FcCharSetCreate (); 1848 FcCharSet *s = FcCharSetCreate ();
1659 FcCharSetAddChar (s, unicode); 1849 FcCharSetAddChar (s, unicode);
1660 FcPatternAddCharSet (p, FC_CHARSET, s); 1850 FcPatternAddCharSet (p, FC_CHARSET, s);
… …
1680 FcPatternDestroy (match); 1870 FcPatternDestroy (match);
1681 1871
1682 if (find_font (font) < 0) 1872 if (find_font (font) < 0)
1683 { 1873 {
1684 char fontname[4096]; 1874 char fontname[4096];
1685 sprintf (fontname, "xft:%-.4090s", font); 1875 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1686 1876
1687 fonts.push_back (new_font (fontname, CS_UNICODE)); 1877 push_font (new_font (fontname, CS_UNICODE));
1688 } 1878 }
1689 1879
1690 free (font); 1880 free (font);
1691 } 1881 }
1692#endif 1882#endif
… …
1704 while (hi >= fmap.size ()) 1894 while (hi >= fmap.size ())
1705 fmap.push_back (0); 1895 fmap.push_back (0);
1706 1896
1707 if (!fmap[hi]) 1897 if (!fmap[hi])
1708 { 1898 {
1709 fmap[hi] = (pagemap *)new pagemap; 1899 fmap[hi] = new pagemap;
1710 memset (fmap[hi], 0xff, sizeof (pagemap)); 1900 memset (fmap[hi], 0xff, sizeof (pagemap));
1711 } 1901 }
1712 1902
1713 (*fmap[hi])[unicode & 0xff] = i; 1903 (*fmap[hi])[unicode & 0xff] = i;
1714 } 1904 }
1715 1905
1716 return i; 1906 return i;
1717} 1907}
1718 1908
1719
1720

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