ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/defaultfont.C
(Generate patch)

Comparing rxvt-unicode/src/defaultfont.C (file contents):
Revision 1.4 by pcg, Sat Nov 29 18:42:07 2003 UTC vs.
Revision 1.9 by pcg, Wed Dec 24 06:26:52 2003 UTC

21 21
22#include "../config.h" 22#include "../config.h"
23#include "rxvt.h" 23#include "rxvt.h"
24#include "defaultfont.h" 24#include "defaultfont.h"
25 25
26#include <cstdlib>
27
26#define DISPLAY r->Xdisplay 28#define DISPLAY r->Xdisplay
27#define DRAWABLE r->TermWin.vt 29#define DRAWABLE r->TermWin.vt
28#define GC r->TermWin.gc 30#define GC r->TermWin.gc
29 31
30const struct rxvt_fallback_font { 32const struct rxvt_fallback_font {
57 59
58 // japanese 60 // japanese
59#if ENCODING_JP || ENCODING_JP_EXT 61#if ENCODING_JP || ENCODING_JP_EXT
60# if XFT 62# if XFT
61 // prefer xft for complex scripts 63 // prefer xft for complex scripts
62 { CS_UNICODE, "xft:Kochi Gothic" }, 64 { CS_UNICODE, "xft:Kochi Gothic:antialias=false" },
63# endif 65# endif
64 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 66 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
65 { CS_JIS0208_1983_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 67 { CS_JIS0208_1983_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
66 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 68 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
67#endif 69#endif
68 70
69#if ENCODING_CN || ENCODING_CN_EXT 71#if ENCODING_CN || ENCODING_CN_EXT
70# if XFT 72# if XFT
71 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 73 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
72 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 74 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
73 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 75 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
74 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 76 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
75# endif 77# endif
76 { CS_CNS11643_1992_1, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-1" }, 78 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-1" },
77 { CS_CNS11643_1992_2, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-2" }, 79 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-2" },
78 { CS_CNS11643_1992_3, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-3" }, 80 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-3" },
79 { CS_CNS11643_1992_4, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-4" }, 81 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-4" },
80 { CS_CNS11643_1992_5, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-5" }, 82 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-5" },
81 { CS_CNS11643_1992_6, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-6" }, 83 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-6" },
82 { CS_CNS11643_1992_7, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-7" }, 84 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-7" },
83 { CS_CNS11643_1992_F, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-f" }, 85 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-f" },
84#endif 86#endif
85 87
86#if XFT 88#if XFT
87 { CS_UNICODE, "xft:Andale Mono" }, 89 { CS_UNICODE, "xft:Andale Mono" },
88 { CS_UNICODE, "xft:Arial Unicode MS" }, 90 { CS_UNICODE, "xft:Arial Unicode MS" },
89#endif 91#endif
90 { CS_UNICODE, "-*-lucidatypewriter-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 92 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
93 { CS_UNICODE, "xft:FreeMono" },
94 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
95 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
91 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 96 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
92 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
93 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
94 97
95 { CS_UNKNOWN, 0 } 98 { CS_UNKNOWN, 0 }
96}; 99};
97 100
98///////////////////////////////////////////////////////////////////////////// 101/////////////////////////////////////////////////////////////////////////////
220 223
221 // to be done 224 // to be done
222}; 225};
223 226
224struct rxvt_font_default : rxvt_font { 227struct rxvt_font_default : rxvt_font {
225 bool load (int maxheight) 228 rxvt_fontprop properties ()
229 {
230 rxvt_fontprop p;
231
232 p.height = 1;
233 p.weight = rxvt_fontprop::medium;
234 p.slant = rxvt_fontprop::roman;
235
236 return p;
237 }
238
239 bool load (const rxvt_fontprop &prop)
226 { 240 {
227 width = 1; height = 1; 241 width = 1; height = 1;
228 ascent = 1; descent = 0; 242 ascent = 1; descent = 0;
229 243
230 return true; 244 return true;
322struct rxvt_font_x11 : rxvt_font { 336struct rxvt_font_x11 : rxvt_font {
323 rxvt_font_x11 () { f = 0; } 337 rxvt_font_x11 () { f = 0; }
324 338
325 void clear (); 339 void clear ();
326 340
327 bool load (int maxheight); 341 rxvt_fontprop properties ();
342 rxvt_fontprop properties (XFontStruct *f);
343
344 bool load (const rxvt_fontprop &prop);
328 345
329 bool has_codepoint (uint32_t unicode); 346 bool has_codepoint (uint32_t unicode);
330 347
331 void draw (int x, int y, 348 void draw (int x, int y,
332 const text_t *text, int len, 349 const text_t *text, int len,
334 351
335 XFontStruct *f; 352 XFontStruct *f;
336 codeset cs; 353 codeset cs;
337 bool enc2b, encm; 354 bool enc2b, encm;
338 355
339 const char *get_property (const char *property, const char *repl) const; 356 const char *get_property (XFontStruct *f, const char *property, const char *repl) const;
340}; 357};
341 358
342const char * 359const char *
343rxvt_font_x11::get_property (const char *property, const char *repl) const 360rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const
344{ 361{
345 unsigned long value; 362 unsigned long value;
346 363
347 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 364 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value))
348 return XGetAtomName (DISPLAY, value); 365 return XGetAtomName (DISPLAY, value);
349 else 366 else
350 return repl; 367 return repl;
351} 368}
352 369
370rxvt_fontprop
371rxvt_font_x11::properties ()
372{
373 return properties (f);
374}
375
376rxvt_fontprop
377rxvt_font_x11::properties (XFontStruct *f)
378{
379 rxvt_fontprop p;
380
381 const char *weight = get_property (f, "WEIGHT_NAME", "medium");
382 const char *slant = get_property (f, "SLANT", "r");
383
384 p.height = height;
385 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
386 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
387
388 return p;
389}
390
353bool 391bool
354rxvt_font_x11::load (int maxheight) 392rxvt_font_x11::load (const rxvt_fontprop &prop)
355{ 393{
356 clear (); 394 clear ();
395
396 char **list;
397 int count;
398 XFontStruct *info;
399 list = XListFontsWithInfo (DISPLAY, name, 128, &count, &info);
400
401 if (!list)
402 return false;
403
404 int bestdiff = 0x7fffffff;
405 XFontStruct *best = 0;
406 for (int i = 0; i < count; i++)
407 {
408 XFontStruct *f = info + i;
409
410 if (f->ascent + f->descent <= prop.height) // weed out too large fonts
411 {
412 rxvt_fontprop p = properties (f);
413 int diff = (prop.height - f->ascent + f->descent) * 32
414 + abs (prop.weight - p.weight)
415 + abs (prop.slant - p.slant );
416
417 if (!best // compare against best found so far
418 || diff < bestdiff)
419 {
420 best = f;
421 bestdiff = diff;
422 }
423 }
424 }
425
426 if (!best)
427 return false;
428
429 set_name (strdup (list[best - info]));
430
431 XFreeFontInfo (list, info, count);
357 432
358 f = XLoadQueryFont (DISPLAY, name); 433 f = XLoadQueryFont (DISPLAY, name);
359 434
360 if (!f) 435 if (!f)
361 return false; 436 return false;
362 437
363 unsigned long value; 438 unsigned long value;
364 439
365 const char *registry = get_property ("CHARSET_REGISTRY", 0); 440 const char *registry = get_property (f, "CHARSET_REGISTRY", 0);
366 const char *encoding = get_property ("CHARSET_ENCODING", 0); 441 const char *encoding = get_property (f, "CHARSET_ENCODING", 0);
367 442
368 if (registry && encoding) 443 if (registry && encoding)
369 { 444 {
370 char charset[64]; 445 char charset[64];
371 snprintf (charset, 64, "%s-%s", registry, encoding); 446 snprintf (charset, 64, "%s-%s", registry, encoding);
372 447
373 cs = codeset_from_name (charset); 448 cs = codeset_from_name (charset);
374 } 449 }
375 else 450 else
376 { 451 {
377 const char *charset = get_property ("FONT", 0); 452 const char *charset = get_property (f, "FONT", 0);
378 453
379 if (!charset) 454 if (!charset)
380 charset = name; 455 charset = name;
381 456
382 int count = 13; 457 int count = 13;
395 470
396 ascent = f->ascent; 471 ascent = f->ascent;
397 descent = f->descent; 472 descent = f->descent;
398 height = ascent + descent; 473 height = ascent + descent;
399 474
400 prop = false; 475 slow = false;
401 476
402 if (f->min_bounds.width == f->max_bounds.width) 477 if (f->min_bounds.width == f->max_bounds.width)
403 width = f->min_bounds.width; 478 width = f->min_bounds.width;
404 else if (f->per_char == NULL) 479 else if (f->per_char == NULL)
405 width = f->max_bounds.width; 480 width = f->max_bounds.width;
406 else 481 else
407 { 482 {
408 prop = true; 483 slow = true;
409 484
410 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 485 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
411 486
412 if (encm) 487 if (encm)
413 N += (f->max_byte1 - f->min_byte1) 488 N += (f->max_byte1 - f->min_byte1)
498 // this looks like a mess /. 573 // this looks like a mess /.
499 // and it is a mess /. 574 // and it is a mess /.
500 // yet we are trying to be perfect /. 575 // yet we are trying to be perfect /.
501 // but the result still isn't perfect /. 576 // but the result still isn't perfect /.
502 577
503 bool slow = prop 578 bool slow = this->slow
504 || width != r->TermWin.fwidth 579 || width != r->TermWin.fwidth
505 || height != r->TermWin.fheight; 580 || height != r->TermWin.fheight;
506 581
507 int base = r->TermWin.fbase; 582 int base = r->TermWin.fbase;
508 583
613#endif 688#endif
614 rxvt_font_xft () { f = 0; d = 0; } 689 rxvt_font_xft () { f = 0; d = 0; }
615 690
616 void clear (); 691 void clear ();
617 692
618 bool load (int maxheight); 693 rxvt_fontprop properties ();
694
695 bool load (const rxvt_fontprop &prop);
619 696
620 void draw (int x, int y, 697 void draw (int x, int y,
621 const text_t *text, int len, 698 const text_t *text, int len,
622 int fg, int bg); 699 int fg, int bg);
623 700
655 for (int i = 0; i < SWATHCOUNT; i++) 732 for (int i = 0; i < SWATHCOUNT; i++)
656 delete cvr[i]; 733 delete cvr[i];
657#endif 734#endif
658} 735}
659 736
737rxvt_fontprop
738rxvt_font_xft::properties ()
739{
740 rxvt_fontprop p;
741
742 FT_Face face = XftLockFace (f);
743
744 p.height = height;
745 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;
747
748 XftUnlockFace (f);
749
750 return p;
751}
752
660bool 753bool
661rxvt_font_xft::load (int maxheight) 754rxvt_font_xft::load (const rxvt_fontprop &prop)
662{ 755{
663#if 0 756#if 0
664 for (int i = 0; i < SWATHCOUNT; i++) 757 for (int i = 0; i < SWATHCOUNT; i++)
665 cvr[i] = 0; 758 cvr[i] = 0;
666#endif 759#endif
667 760
668 clear (); 761 clear ();
669 762
670 f = XftFontOpenName (DISPLAY, DefaultScreen (DISPLAY), name); 763 FcPattern *p = FcNameParse ((FcChar8 *) name);
764
765 if (!p)
766 return false;
767
768 FcValue v;
769
770 if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)
771 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
772
773 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
774 FcPatternAddInteger (p, FC_SLANT, prop.slant);
775
776 //FcPatternAddBool (p, FC_MINSPACE, 1);
777
778 XftResult result;
779 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
780
781 FcPatternDestroy (p);
782
783 if (!match)
784 return false;
785
786 f = XftFontOpenPattern (DISPLAY, match);
671 787
672 if (!f) 788 if (!f)
789 {
790 FcPatternDestroy (match);
673 return false; 791 return false;
792 }
674 793
675 FT_Face face = XftLockFace (f); 794 FT_Face face = XftLockFace (f);
676 795
677 prop = !FT_IS_FIXED_WIDTH (face); 796 slow = !FT_IS_FIXED_WIDTH (face);
678 797
679 int ftheight = 0; 798 int ftheight = 0;
680 799
681 for (;;) 800 for (;;)
682 { 801 {
684 FcChar8 c; 803 FcChar8 c;
685 804
686 c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1); 805 c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1);
687 c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2); 806 c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2);
688 807
689 prop = prop || g1.xOff != g2.xOff; // don't simply trust the font 808 if (g1.xOff != g2.xOff) // don't simply trust the font
809 slow = true;
690 810
691 width = g2.xOff; 811 width = g2.xOff;
692 ascent = (face->size->metrics.ascender + 63) >> 6; 812 ascent = (face->size->metrics.ascender + 63) >> 6;
693 descent = (-face->size->metrics.descender + 63) >> 6; 813 descent = (-face->size->metrics.descender + 63) >> 6;
694 height = ascent + descent; 814 height = ascent + descent;
695 815
696 if (height <= maxheight || !maxheight) 816 if (height <= prop.height || !prop.height)
697 break; 817 break;
698 818
699 if (ftheight) 819 if (ftheight)
700 { 820 {
701 // take smaller steps near the end 821 // take smaller steps near the end
702 if (height > maxheight + 1) ftheight++; 822 if (height > prop.height + 1) ftheight++;
703 if (height > maxheight + 2) ftheight++; 823 if (height > prop.height + 2) ftheight++;
704 if (height > maxheight + 3) ftheight++; 824 if (height > prop.height + 3) ftheight++;
705 825
706 FT_Set_Pixel_Sizes (face, 0, ftheight -= height - maxheight); 826 FT_Set_Pixel_Sizes (face, 0, ftheight -= height - prop.height);
707 } 827 }
708 else 828 else
709 FT_Set_Pixel_Sizes (face, 0, ftheight = maxheight); 829 FT_Set_Pixel_Sizes (face, 0, ftheight = prop.height);
710 } 830 }
711 831
712 XftUnlockFace (f); 832 XftUnlockFace (f);
713 833
714 return true; 834 return true;
746 if (bg >= 0 && bg != Color_bg) 866 if (bg >= 0 && bg != Color_bg)
747 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight); 867 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);
748 else 868 else
749 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 869 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
750 870
751 if (!prop && width == r->TermWin.fwidth) 871 if (!slow && width == r->TermWin.fwidth)
752 { 872 {
753 if (sizeof (text_t) == sizeof (FcChar16)) 873 if (sizeof (text_t) == sizeof (FcChar16))
754 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 874 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
755 else 875 else
756 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 876 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
796 for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++) 916 for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++)
797 FONT_UNREF (*i); 917 FONT_UNREF (*i);
798 918
799 fonts.clear (); 919 fonts.clear ();
800 base_id = 0; 920 base_id = 0;
801 height = 0x7fffffff; 921 base_prop.height = 0x7fffffff;
922 base_prop.weight = rxvt_fontprop::medium;
923 base_prop.slant = rxvt_fontprop::roman;
802 924
803 fallback = fallback_fonts; 925 fallback = fallback_fonts;
804} 926}
805 927
806rxvt_font * 928rxvt_font *
891rxvt_fontset::realize_font (int i) 1013rxvt_fontset::realize_font (int i)
892{ 1014{
893 if (fonts[i]->loaded) 1015 if (fonts[i]->loaded)
894 return true; 1016 return true;
895 1017
896 if (fonts[i]->load (height))
897 return fonts[i]->loaded = true; 1018 fonts[i]->loaded = true;
898 1019
899 delete fonts[i]; 1020 if (!fonts[i]->load (base_prop))
900 fonts.erase (fonts.begin () + i); 1021 {
901 1022 fonts[i]->cs = CS_UNKNOWN;
902 return false; 1023 return false;
1024 }
1025
1026 return true;
903} 1027}
904 1028
905void 1029void
906rxvt_fontset::populate (const char *desc) 1030rxvt_fontset::populate (const char *desc)
907{ 1031{
914 1038
915 if (!base_id) 1039 if (!base_id)
916 base_id = 1; 1040 base_id = 1;
917 1041
918 // we currently need a base-font, no matter what 1042 // we currently need a base-font, no matter what
919 if (fonts.size () <= base_id) 1043 if (fonts.size () <= base_id || !realize_font (base_id))
920 { 1044 {
921 add_fonts ("fixed"); 1045 add_fonts ("fixed");
922 base_id = 1; 1046 base_id = fonts.size () - 1;
923 } 1047 }
924 1048
925 if (fonts.size () <= base_id || !realize_font (base_id)) 1049 if (fonts.size () <= base_id || !realize_font (base_id))
926 { 1050 {
927 fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n"); 1051 fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");
928 exit (1); 1052 exit (1);
929 } 1053 }
930 1054
931 height = fonts[base_id]->height; 1055 base_prop = fonts[base_id]->properties ();
932
933 /*add_fonts ("-efont-fixed-medium-r-normal-*-14-*-*-*-*-*-iso10646-1,"*/
934} 1056}
935 1057
936int 1058int
937rxvt_fontset::find_font (uint32_t unicode) 1059rxvt_fontset::find_font (uint32_t unicode)
938{ 1060{
944 { 1066 {
945 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1067 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
946 goto next_font; 1068 goto next_font;
947 1069
948 if (!realize_font (i)) 1070 if (!realize_font (i))
949 {
950 --i;
951 goto next_font; 1071 goto next_font;
952 } 1072 }
953 1073
954 //printf ("added font %s for %04lx\n", f->name, unicode);
955 }
956
957 if (f->has_codepoint (unicode)) 1074 if (f->cs != CS_UNKNOWN && f->has_codepoint (unicode))
958 return i; 1075 return i;
959 1076
960 next_font: 1077 next_font:
961 if (i == fonts.size () - 1 && fallback->name) 1078 if (i == fonts.size () - 1 && fallback->name)
962 { 1079 {
963 fonts.push_back (new_font (fallback->name, fallback->cs)); 1080 fonts.push_back (new_font (fallback->name, fallback->cs));
964 fallback++; 1081 fallback++;
1082 i = 0;
965 } 1083 }
966 } 1084 }
967 1085
968 return 0; /* we must return SOME font */ 1086 return 0; /* we must return SOME font */
969} 1087}

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines