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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.168 by sf-exg, Tue Dec 14 08:01:51 2010 UTC vs.
Revision 1.199 by root, Thu Jun 17 00:08:35 2021 UTC

1/*----------------------------------------------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtfont.C 2 * File: rxvtfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003-2008 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 30
31#if XFT 31#if XFT
32# include <fontconfig/fontconfig.h> 32# include <fontconfig/fontconfig.h>
… …
132 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, 132 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
133 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" }, 133 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
134# endif 134# endif
135#endif 135#endif
136 136
137 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
138 //{ 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.
139#if XFT 138#if XFT
140 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" }, 139 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
141 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 140 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
142 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, 141 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
… …
159 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 158 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
160 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 159 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
161 0x304c, 0x672c, // が本 160 0x304c, 0x672c, // が本
162}; 161};
163 162
164#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
165
166#define dTermDisplay Display *disp = term->dpy 163#define dTermDisplay Display *disp = term->dpy
167#define dTermGC GC gc = term->gc 164#define dTermGC GC gc = term->gc
168 165
169///////////////////////////////////////////////////////////////////////////// 166/////////////////////////////////////////////////////////////////////////////
170 167
… …
242 else if (color >= 0) 239 else if (color >= 0)
243 { 240 {
244#if XFT 241#if XFT
245 Picture dst; 242 Picture dst;
246 243
247# ifdef HAVE_BG_PIXMAP 244# ifdef HAVE_IMG
248 if (term->bgPixmap.pixmap 245 if (term->bg_img
249 && !term->pix_colors[color].is_opaque () 246 && !term->pix_colors[color].is_opaque ()
250 && ((dst = XftDrawPicture (d)))) 247 && ((dst = XftDrawPicture (d))))
251 { 248 {
252 XClearArea (disp, d, x, y, w, h, false); 249 XClearArea (disp, d, x, y, w, h, false);
253 250
… …
265 } 262 }
266} 263}
267 264
268///////////////////////////////////////////////////////////////////////////// 265/////////////////////////////////////////////////////////////////////////////
269 266
270struct rxvt_font_default : rxvt_font { 267struct rxvt_font_default : rxvt_font
268{
271 struct rxvt_fontset *fs; 269 struct rxvt_fontset *fs;
272 270
273 rxvt_font_default (rxvt_fontset *fs) 271 rxvt_font_default (rxvt_fontset *fs)
274 : rxvt_font () 272 : rxvt_font ()
275 { 273 {
… …
477 case '\t': 475 case '\t':
478 case ZERO_WIDTH_CHAR: 476 case ZERO_WIDTH_CHAR:
479 case NOCHAR: 477 case NOCHAR:
480 break; 478 break;
481 479
480 /*
481 * If the base font does not support variation selectors, treat them as ZWC.
482 * a point could be made to do this for all wcwidth == 0 characters, but I
483 * decided against that until more data is available.
484 */
485 case 0xfe00: case 0xfe01: case 0xfe02: case 0xfe03: case 0xfe04: case 0xfe05: case 0xfe06: case 0xfe07:
486 case 0xfe08: case 0xfe09: case 0xfe0a: case 0xfe0b: case 0xfe0c: case 0xfe0d: case 0xfe0e: case 0xfe0f:
487 break;
488
482 default: 489 default:
483 XDrawRectangle (disp, d, gc, x + 2, y + 2, 490 XDrawRectangle (disp, d, gc, x + 2, y + 2,
484 fwidth - 4, term->fheight - 4); 491 fwidth - 4, term->fheight - 4);
485 } 492 }
486 493
487 x += fwidth; 494 x += fwidth;
488 } 495 }
489} 496}
490 497
491struct rxvt_font_overflow : rxvt_font { 498struct rxvt_font_overflow : rxvt_font
499{
492 struct rxvt_fontset *fs; 500 struct rxvt_fontset *fs;
493 501
494 rxvt_font_overflow (rxvt_fontset *fs) 502 rxvt_font_overflow (rxvt_fontset *fs)
495 : rxvt_font () 503 : rxvt_font ()
496 { 504 {
… …
526 534
527 void draw (rxvt_drawable &d, int x, int y, 535 void draw (rxvt_drawable &d, int x, int y,
528 const text_t *text, int len, 536 const text_t *text, int len,
529 int fg, int bg) 537 int fg, int bg)
530 { 538 {
531 while (len--) 539 while (len)
532 { 540 {
533 int fid = fs->find_font_idx (*text); 541 int fid = fs->find_font_idx (*text);
542 int w = 1;
543 while (w < len && text[w] == NOCHAR)
544 w++;
534 (*fs)[fid]->draw (d, x, y, text, 1, fg, bg); 545 (*fs)[fid]->draw (d, x, y, text, w, fg, bg);
535 ++text; 546 text += w;
547 len -= w;
536 x += term->fwidth; 548 x += term->fwidth * w;
537 } 549 }
538 } 550 }
539}; 551};
540 552
541///////////////////////////////////////////////////////////////////////////// 553/////////////////////////////////////////////////////////////////////////////
542 554
543struct rxvt_font_x11 : rxvt_font { 555struct rxvt_font_x11 : rxvt_font
556{
544 rxvt_font_x11 () { f = 0; } 557 rxvt_font_x11 () { f = 0; }
545 558
546 void clear (); 559 void clear ();
547 560
548 rxvt_fontprop properties (); 561 rxvt_fontprop properties ();
… …
720 f = XLoadQueryFont (disp, name); 733 f = XLoadQueryFont (disp, name);
721 734
722 if (!f) 735 if (!f)
723 return false; 736 return false;
724 737
725 char *new_name = get_property (f, XA_FONT, name); 738 char *new_name = get_property (f, XA_FONT, 0);
726 739
727 if (new_name) 740 if (new_name)
728 set_name (new_name); 741 set_name (new_name);
729 else 742 else
730 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 743 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
731 744
732 XFreeFont (disp, f); 745 XFreeFont (disp, f);
733 f = 0; 746 f = 0;
734 } 747 }
735 748
… …
792 free (fname); 805 free (fname);
793 if (replace_field (&fname, list[i], 11, '0', "0")) 806 if (replace_field (&fname, list[i], 11, '0', "0"))
794 diff += 300; // more heavily penalize what looks like scaled bitmap fonts 807 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
795 } 808 }
796 809
797 if (!set_properties (p, fname)) 810 if (!set_properties (p, fname)
811 // also weed out too large fonts
812 || (prop.height != rxvt_fontprop::unset
813 && p.height > prop.height))
814 {
815 free (fname);
798 continue; 816 continue;
799 817 }
800 if (prop.height != rxvt_fontprop::unset
801 && p.height > prop.height) // weed out too large fonts
802 continue;
803 818
804 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 819 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
805 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 820 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
806 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 821 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
807 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 822 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
… …
813 XFreeFontNames (list); 828 XFreeFontNames (list);
814 829
815 // this loop only iterates when the guessed font-size is too small 830 // this loop only iterates when the guessed font-size is too small
816 for (;;) 831 for (;;)
817 { 832 {
818 font_weight *best = fonts + count - 1; 833 font_weight *best = fonts;
819 834
820 for (font_weight *w = best; w-- > fonts; ) 835 for (font_weight *w = fonts + 1; w < fonts + count; w++)
821 if (w->diff <= best->diff) 836 if (w->diff < best->diff)
822 best = w; 837 best = w;
823 838
824 if (!best->name 839 if (!best->name
825 || !(f = XLoadQueryFont (disp, best->name))) 840 || !(f = XLoadQueryFont (disp, best->name)))
826 break; 841 break;
… …
864 free (registry); 879 free (registry);
865 free (encoding); 880 free (encoding);
866 881
867 if (cs == CS_UNKNOWN) 882 if (cs == CS_UNKNOWN)
868 { 883 {
869 const char *charset = get_property (f, XA_FONT, 0); 884 char *value = get_property (f, XA_FONT, 0);
885 const char *charset = value;
870 886
871 if (!charset) 887 if (!charset)
872 charset = name; 888 charset = name;
873 889
874 int count = 13; 890 int count = 13;
… …
877 break; 893 break;
878 894
879 cs = codeset_from_name (charset); 895 cs = codeset_from_name (charset);
880 if (cs == CS_UNKNOWN) 896 if (cs == CS_UNKNOWN)
881 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset); 897 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
898
899 free (value);
882 } 900 }
883 901
884 if (cs == CS_UNKNOWN) 902 if (cs == CS_UNKNOWN)
885 { 903 {
886 clear (); 904 clear ();
… …
918 } 936 }
919#endif 937#endif
920 938
921 width = 1; 939 width = 1;
922 940
923 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 941 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
924 { 942 {
925 if (FROM_UNICODE (cs, *t) == NOCHAR) 943 if (FROM_UNICODE (cs, *t) == NOCHAR)
926 continue; 944 continue;
927 945
928 // ignore characters we wouldn't use anyways 946 // ignore characters we wouldn't use anyways
929 bool careful; 947 bool careful;
930 if (!has_char (*t, &prop, careful)) 948 if (!has_char (*t, &prop, careful))
931 continue; 949 continue;
932 950
933 XChar2b ch = { *t >> 8, *t }; 951 // the casts are needed in C++11 (see 8.5.1)
952 XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t };
934 953
935 XCharStruct g; 954 XCharStruct g;
936 int dir_ret, asc_ret, des_ret; 955 int dir_ret, asc_ret, des_ret;
937 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 956 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
938 957
… …
964} 983}
965 984
966bool 985bool
967rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const 986rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
968{ 987{
988 careful = false;
989
969 uint32_t ch = FROM_UNICODE (cs, unicode); 990 uint32_t ch = FROM_UNICODE (cs, unicode);
970 991
971 if (ch == NOCHAR) 992 if (ch == NOCHAR)
972 return false; 993 return false;
973 994
… …
1036 dTermDisplay; 1057 dTermDisplay;
1037 dTermGC; 1058 dTermGC;
1038 1059
1039 bool slow = this->slow 1060 bool slow = this->slow
1040 || width != term->fwidth 1061 || width != term->fwidth
1041 || height != term->fheight; 1062 || height != term->fheight
1063 || ascent != f->ascent;
1042 1064
1043 int base = ascent; // sorry, incorrect: term->fbase; 1065 int base = ascent; // sorry, incorrect: term->fbase;
1044 1066
1045 XGCValues v; 1067 XGCValues v;
1046 v.foreground = term->pix_colors[fg]; 1068 v.foreground = term->pix_colors[fg];
… …
1114 1136
1115///////////////////////////////////////////////////////////////////////////// 1137/////////////////////////////////////////////////////////////////////////////
1116 1138
1117#if XFT 1139#if XFT
1118 1140
1119struct rxvt_font_xft : rxvt_font { 1141struct rxvt_font_xft : rxvt_font
1142{
1120 rxvt_font_xft () { f = 0; } 1143 rxvt_font_xft ()
1144 {
1145 f = 0;
1146 }
1121 1147
1122 void clear (); 1148 void clear ();
1123 1149
1124 rxvt_fontprop properties (); 1150 rxvt_fontprop properties ();
1125 1151
… …
1215 int ftheight = 0; 1241 int ftheight = 0;
1216 bool success = true; 1242 bool success = true;
1217 1243
1218 for (;;) 1244 for (;;)
1219 { 1245 {
1246 p = FcPatternDuplicate (match);
1220 f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); 1247 f = XftFontOpenPattern (disp, p);
1221 1248
1222 if (!f) 1249 if (!f)
1223 { 1250 {
1251 FcPatternDestroy (p);
1224 success = false; 1252 success = false;
1225 break; 1253 break;
1226 } 1254 }
1227 1255
1228 FT_Face face = XftLockFace (f); 1256 FT_Face face = XftLockFace (f);
… …
1236 1264
1237 XftUnlockFace (f); 1265 XftUnlockFace (f);
1238 1266
1239 int glheight = height; 1267 int glheight = height;
1240 1268
1241 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1269 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1242 { 1270 {
1243 FcChar16 ch = *t; 1271 FcChar16 ch = *t;
1244 1272
1245 if (cs != CS_UNICODE 1273 if (cs != CS_UNICODE
1246 && ch > 0x100 1274 && ch > 0x100
… …
1398 { 1426 {
1399 if (ep != enc) 1427 if (ep != enc)
1400 { 1428 {
1401 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h); 1429 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1402 1430
1403#ifdef HAVE_BG_PIXMAP 1431#ifdef HAVE_IMG
1404 Picture dst = 0; // the only assignment is done conditionally in the following if condition 1432 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1405 1433
1406 if (term->bgPixmap.pixmap 1434 if (term->bg_img
1407 && (bg == Color_transparent || bg == Color_bg 1435 && (bg == Color_transparent || bg == Color_bg
1408 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2)))))) 1436 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1409 { 1437 {
1410 int src_x = x, src_y = y; 1438 int src_x = x, src_y = y;
1411 1439
1412 if (term->bgPixmap.flags & bgPixmap_t::isTransparent) 1440 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1413 { 1441 {
1414 src_x += term->window_vt_x; 1442 src_x += term->window_vt_x;
1415 src_y += term->window_vt_y; 1443 src_y += term->window_vt_y;
1416 } 1444 }
1417 1445
1418 if (term->bgPixmap.pmap_width >= src_x + w 1446 if (term->bg_img->w >= src_x + w
1419 && term->bgPixmap.pmap_height >= src_y + h) 1447 && term->bg_img->h >= src_y + h)
1420 { 1448 {
1421 XCopyArea (disp, term->bgPixmap.pixmap, d2, gc, 1449 XCopyArea (disp, term->bg_img->pm, d2, gc,
1422 src_x, src_y, w, h, 0, 0); 1450 src_x, src_y, w, h, 0, 0);
1423 } 1451 }
1424 else 1452 else
1425 { 1453 {
1426 XGCValues gcv; 1454 XGCValues gcv;
1427 1455
1428 gcv.fill_style = FillTiled; 1456 gcv.fill_style = FillTiled;
1429 gcv.tile = term->bgPixmap.pixmap; 1457 gcv.tile = term->bg_img->pm;
1430 gcv.ts_x_origin = -src_x; 1458 gcv.ts_x_origin = -src_x;
1431 gcv.ts_y_origin = -src_y; 1459 gcv.ts_y_origin = -src_y;
1432 1460
1433 XChangeGC (disp, gc, 1461 XChangeGC (disp, gc,
1434 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle, 1462 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
… …
1594 cs = codeset_from_name (spec + sizeof ("codeset=") - 1); 1622 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1595 else 1623 else
1596 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); 1624 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1597 1625
1598 desc++; 1626 desc++;
1599 while (*desc <= ' ') desc++; 1627 while (*desc <= ' ' && *desc) desc++;
1600 } 1628 }
1601 1629
1602 end = strchr (desc, ','); 1630 end = strchr (desc, ',');
1603 if (!end) 1631 if (!end)
1604 end = desc + strlen (desc); 1632 end = desc + strlen (desc);
… …
1609 buf[end - desc] = 0; 1637 buf[end - desc] = 0;
1610 1638
1611 push_font (new_font (buf, cs)); 1639 push_font (new_font (buf, cs));
1612 } 1640 }
1613 else 1641 else
1614 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1642 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1615 1643
1616 desc = end + 1; 1644 desc = end + 1;
1617 } 1645 }
1618 while (*end); 1646 while (*end);
1619 } 1647 }
… …
1722 // way to configure this and xft is easier to hack in, 1750 // way to configure this and xft is easier to hack in,
1723 // while x11 has more framework in place already. 1751 // while x11 has more framework in place already.
1724 // TODO: this is a real resource hog, xft takes ages(?) 1752 // TODO: this is a real resource hog, xft takes ages(?)
1725#if XFT && USE_SLOW_LOOKUP 1753#if XFT && USE_SLOW_LOOKUP
1726 // grab the first xft font that seems suitable 1754 // grab the first xft font that seems suitable
1755 // TOOD: should go first for cellchar (spacing 110) then mono, then else
1727 FcPattern *p = FcPatternCreate (); 1756 FcPattern *p = FcPatternCreate ();
1728 1757
1729 FcCharSet *s = FcCharSetCreate (); 1758 FcCharSet *s = FcCharSetCreate ();
1730 FcCharSetAddChar (s, unicode); 1759 FcCharSetAddChar (s, unicode);
1731 FcPatternAddCharSet (p, FC_CHARSET, s); 1760 FcPatternAddCharSet (p, FC_CHARSET, s);
… …
1775 while (hi >= fmap.size ()) 1804 while (hi >= fmap.size ())
1776 fmap.push_back (0); 1805 fmap.push_back (0);
1777 1806
1778 if (!fmap[hi]) 1807 if (!fmap[hi])
1779 { 1808 {
1780 fmap[hi] = (pagemap *)new pagemap; 1809 fmap[hi] = new pagemap;
1781 memset (fmap[hi], 0xff, sizeof (pagemap)); 1810 memset (fmap[hi], 0xff, sizeof (pagemap));
1782 } 1811 }
1783 1812
1784 (*fmap[hi])[unicode & 0xff] = i; 1813 (*fmap[hi])[unicode & 0xff] = i;
1785 } 1814 }

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