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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 1.15 by pcg, Thu Jan 29 00:38:56 2004 UTC

73 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 73 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
74 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 74 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
75 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 75 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
76 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 76 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
77# endif 77# endif
78 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
78 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-1" }, 79 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
79 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-2" }, 80 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
80 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-3" }, 81 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
81 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-4" }, 82 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
82 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-5" }, 83 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-5" },
83 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-6" }, 84 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
84 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-7" }, 85 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
85 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-f" }, 86 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
86#endif 87#endif
87 88
88#if XFT 89#if XFT
89 { CS_UNICODE, "xft:Andale Mono" }, 90 { CS_UNICODE, "xft:Andale Mono" },
90 { CS_UNICODE, "xft:Arial Unicode MS" }, 91 { CS_UNICODE, "xft:Arial Unicode MS" },
227struct rxvt_font_default : rxvt_font { 228struct rxvt_font_default : rxvt_font {
228 rxvt_fontprop properties () 229 rxvt_fontprop properties ()
229 { 230 {
230 rxvt_fontprop p; 231 rxvt_fontprop p;
231 232
232 p.height = 1; 233 p.width = p.height = 1;
233 p.weight = rxvt_fontprop::medium; 234 p.weight = rxvt_fontprop::medium;
234 p.slant = rxvt_fontprop::roman; 235 p.slant = rxvt_fontprop::roman;
235 236
236 return p; 237 return p;
237 } 238 }
337 rxvt_font_x11 () { f = 0; } 338 rxvt_font_x11 () { f = 0; }
338 339
339 void clear (); 340 void clear ();
340 341
341 rxvt_fontprop properties (); 342 rxvt_fontprop properties ();
342 rxvt_fontprop properties (XFontStruct *f);
343 343
344 bool load (const rxvt_fontprop &prop); 344 bool load (const rxvt_fontprop &prop);
345 345
346 bool has_codepoint (uint32_t unicode); 346 bool has_codepoint (uint32_t unicode);
347 347
352 XFontStruct *f; 352 XFontStruct *f;
353 codeset cs; 353 codeset cs;
354 bool enc2b, encm; 354 bool enc2b, encm;
355 355
356 const char *get_property (XFontStruct *f, const char *property, const char *repl) const; 356 const char *get_property (XFontStruct *f, const char *property, const char *repl) const;
357 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
358 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
359 bool set_properties (rxvt_fontprop &p, const char *name);
357}; 360};
358 361
359const char * 362const char *
360rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 363rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const
361{ 364{
368} 371}
369 372
370rxvt_fontprop 373rxvt_fontprop
371rxvt_font_x11::properties () 374rxvt_font_x11::properties ()
372{ 375{
373 return properties (f);
374}
375
376rxvt_fontprop
377rxvt_font_x11::properties (XFontStruct *f)
378{
379 rxvt_fontprop p; 376 rxvt_fontprop p;
377 set_properties (p, f);
378 return p;
379}
380 380
381bool
382rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
383{
384 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
385 p.height = height;
386 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
387 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
388
389 return true;
390}
391
392bool
393rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
394{
381 const char *weight = get_property (f, "WEIGHT_NAME", "medium"); 395 const char *weight = get_property (f, "WEIGHT_NAME", "medium");
382 const char *slant = get_property (f, "SLANT", "r"); 396 const char *slant = get_property (f, "SLANT", "r");
383 397
384 p.height = height; 398 unsigned long height;
385 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 399 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
386 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 400 return false;
387 401
388 return p; 402 unsigned long avgwidth;
403 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
404 avgwidth = 0;
405
406 return set_properties (p, height, weight, slant, avgwidth);
407}
408
409bool
410rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
411{
412 int slashes = 0;
413 const char *comp[12];
414
415 for (const char *c = name; *c; c++)
416 if (*c == '-')
417 {
418 comp[slashes++] = c + 1;
419 if (slashes >= 13)
420 break;
421 }
422
423 /* can we short-circuit the costly XLoadQueryFont? */
424 if (slashes >= 13
425 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
426 && (*comp[11] >= '0' && *comp[11] <= '9'))
427 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
428
429 XFontStruct *f = XLoadQueryFont (DISPLAY, name);
430
431 if (f)
432 {
433 // the font should really exists now. if not, we have a problem
434 // (e.g. if the user did xset fp rehash just when we were searching fonts).
435 // in that case, just return garbage.
436 bool ret = set_properties (p, f);
437 XFreeFont (DISPLAY, f);
438 return ret;
439 }
440 else
441 return false;
442}
443
444// fix the size of scalable fonts
445static void
446fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)
447{
448 int slashes = 0;
449 const char *size;
450
451 for (const char *c = name; *c; c++)
452 if (*c == '-')
453 {
454 if (slashes == 6)
455 size = c + 1;
456
457 if (++slashes >= 13)
458 break;
459 }
460
461 if (slashes >= 13 && size[0] == '0')
462 {
463 strncpy (buf, name, size - name);
464 buf += size - name;
465 buf += sprintf (buf, "%d", prop.height);
466 strcpy (buf, size + 1);
467 }
468 else
469 strcpy (buf, name);
389} 470}
390 471
391bool 472bool
392rxvt_font_x11::load (const rxvt_fontprop &prop) 473rxvt_font_x11::load (const rxvt_fontprop &prop)
393{ 474{
394 clear (); 475 clear ();
395 476
396 char **list; 477 char **list;
397 int count; 478 int count;
398 XFontStruct *info;
399 list = XListFontsWithInfo (DISPLAY, name, 128, &count, &info); 479 list = XListFonts (DISPLAY, name, 512, &count);
480 set_name (0);
400 481
401 if (!list) 482 if (!list)
402 return false; 483 return false;
403 484
404 int bestdiff = 0x7fffffff; 485 int bestdiff = 0x7fffffff;
405 XFontStruct *best = 0;
406 for (int i = 0; i < count; i++) 486 for (int i = 0; i < count; i++)
407 { 487 {
408 XFontStruct *f = info + i; 488 rxvt_fontprop p;
489 char fname[1024];
490 fix_scalable (fname, list[i], prop);
409 491
492 if (!set_properties (p, fname))
493 continue;
494
410 if (f->ascent + f->descent <= prop.height) // weed out too large fonts 495 if (p.height > prop.height) // weed out too large fonts
411 { 496 continue;
412 rxvt_fontprop p = properties (f); 497
413 int diff = (prop.height - f->ascent + f->descent) * 32 498 int diff = (prop.height - p.height) * 32
414 + abs (prop.weight - p.weight) 499 + abs (prop.weight - p.weight)
415 + abs (prop.slant - p.slant ); 500 + abs (prop.slant - p.slant );
416 501
417 if (!best // compare against best found so far 502 if (!name // compare against best found so far
418 || diff < bestdiff) 503 || diff < bestdiff)
419 { 504 {
420 best = f; 505 set_name (strdup (fname));
421 bestdiff = diff; 506 bestdiff = diff;
422 } 507 }
423 }
424 } 508 }
425 509
510 XFreeFontNames (list);
511
426 if (!best) 512 if (!name)
427 return false; 513 return false;
428
429 set_name (strdup (list[best - info]));
430
431 XFreeFontInfo (list, info, count);
432 514
433 f = XLoadQueryFont (DISPLAY, name); 515 f = XLoadQueryFont (DISPLAY, name);
434 516
435 if (!f) 517 if (!f)
436 return false; 518 return false;
658//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables 740//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
659#define SWATHBITS 8 741#define SWATHBITS 8
660#endif 742#endif
661 743
662struct rxvt_font_xft : rxvt_font { 744struct 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; } 745 rxvt_font_xft () { f = 0; d = 0; }
690 746
691 void clear (); 747 void clear ();
692 748
693 rxvt_fontprop properties (); 749 rxvt_fontprop properties ();
701 bool has_codepoint (uint32_t unicode); 757 bool has_codepoint (uint32_t unicode);
702 758
703protected: 759protected:
704 XftFont *f; 760 XftFont *f;
705 XftDraw *d; 761 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}; 762};
715 763
716void 764void
717rxvt_font_xft::clear () 765rxvt_font_xft::clear ()
718{ 766{
725 if (d) 773 if (d)
726 { 774 {
727 XftDrawDestroy (d); 775 XftDrawDestroy (d);
728 d = 0; 776 d = 0;
729 } 777 }
730
731#if 0
732 for (int i = 0; i < SWATHCOUNT; i++)
733 delete cvr[i];
734#endif
735} 778}
736 779
737rxvt_fontprop 780rxvt_fontprop
738rxvt_font_xft::properties () 781rxvt_font_xft::properties ()
739{ 782{
740 rxvt_fontprop p; 783 rxvt_fontprop p;
741 784
742 FT_Face face = XftLockFace (f); 785 FT_Face face = XftLockFace (f);
743 786
744 p.height = height; 787 p.width = width; p.height = height;
745 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium; 788 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; 789 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman;
747 790
748 XftUnlockFace (f); 791 XftUnlockFace (f);
749 792
771 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 814 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
772 815
773 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 816 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
774 FcPatternAddInteger (p, FC_SLANT, prop.slant); 817 FcPatternAddInteger (p, FC_SLANT, prop.slant);
775 818
819#if 0 // clipping unfortunately destroys our precious double-width-characters
820 // clip width, we can't do better, or can we?
821 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
822 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
823#endif
824
776 //FcPatternAddBool (p, FC_MINSPACE, 1); 825 //FcPatternAddBool (p, FC_MINSPACE, 1);
777 826
778 XftResult result; 827 XftResult result;
779 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 828 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
780 829
832 XftUnlockFace (f); 881 XftUnlockFace (f);
833 882
834 return true; 883 return true;
835} 884}
836 885
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 886bool
850rxvt_font_xft::has_codepoint (uint32_t unicode) 887rxvt_font_xft::has_codepoint (uint32_t unicode)
851{ 888{
852 return XftCharExists (DISPLAY, f, unicode); 889 return XftCharExists (DISPLAY, f, unicode);
853} 890}
866 if (bg >= 0 && bg != Color_bg) 903 if (bg >= 0 && bg != Color_bg)
867 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight); 904 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);
868 else 905 else
869 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 906 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
870 907
871 if (!slow && width == r->TermWin.fwidth) 908 if (!slow && width == r->TermWin.fwidth && 0)
872 { 909 {
873 if (sizeof (text_t) == sizeof (FcChar16)) 910 if (sizeof (text_t) == sizeof (FcChar16))
874 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 911 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
875 else 912 else
876 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 913 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
879 { 916 {
880 while (len) 917 while (len)
881 { 918 {
882 if (*text != NOCHAR && *text != ' ') 919 if (*text != NOCHAR && *text != ' ')
883 { 920 {
921 int fwidth = r->TermWin.fwidth;
922 if (len >= 2 && text[1] == NOCHAR)
923 fwidth *= 2;
924
925 XGlyphInfo extents;
884 if (sizeof (text_t) == sizeof (FcChar16)) 926 if (sizeof (text_t) == sizeof (FcChar16))
885 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, 1); 927 {
928 XftTextExtents16 (DISPLAY, f, (const FcChar16 *)text, 1, &extents);
929 XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
930 y + r->TermWin.fbase, (const FcChar16 *)text, 1);
931 }
886 else 932 else
887 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, 1); 933 {
934 XGlyphInfo extents;
935 XftTextExtents32 (DISPLAY, f, (const FcChar32 *)text, 1, &extents);
936 XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
937 y + r->TermWin.fbase, (const FcChar32 *)text, 1);
938 }
888 } 939 }
889 940
890 x += r->TermWin.fwidth; 941 x += r->TermWin.fwidth;
891 text++; 942 text++;
892 len--; 943 len--;
1040 base_id = 1; 1091 base_id = 1;
1041 1092
1042 // we currently need a base-font, no matter what 1093 // we currently need a base-font, no matter what
1043 if (fonts.size () <= base_id || !realize_font (base_id)) 1094 if (fonts.size () <= base_id || !realize_font (base_id))
1044 { 1095 {
1096 puts ("unable to load specified font(s), falling back to 'fixed'\n");
1045 add_fonts ("fixed"); 1097 add_fonts ("fixed");
1046 base_id = fonts.size () - 1; 1098 base_id = fonts.size () - 1;
1047 } 1099 }
1048 1100
1049 if (fonts.size () <= base_id || !realize_font (base_id)) 1101 if (fonts.size () <= base_id || !realize_font (base_id))

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