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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.159 by sf-exg, Wed Mar 31 13:14:50 2010 UTC vs.
Revision 1.175 by sf-exg, Thu Jan 27 17:37:19 2011 UTC

… …
26 26
27#include <cstdlib> 27#include <cstdlib>
28 28
29#include <inttypes.h> 29#include <inttypes.h>
30 30
31#if XFT
32# include <fontconfig/fontconfig.h>
33#endif
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" },
… …
155 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 159 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
156 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 160 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
157 0x304c, 0x672c, // が本 161 0x304c, 0x672c, // が本
158}; 162};
159 163
160#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
161
162#define dTermDisplay Display *disp = term->dpy 164#define dTermDisplay Display *disp = term->dpy
163#define dTermGC GC gc = term->gc 165#define dTermGC GC gc = term->gc
164 166
165///////////////////////////////////////////////////////////////////////////// 167/////////////////////////////////////////////////////////////////////////////
166 168
… …
239 { 241 {
240#if XFT 242#if XFT
241 Picture dst; 243 Picture dst;
242 244
243# ifdef HAVE_BG_PIXMAP 245# ifdef HAVE_BG_PIXMAP
244 if (term->bgPixmap.pixmap 246 if (term->bg_pixmap
245 && !term->pix_colors[color].is_opaque () 247 && !term->pix_colors[color].is_opaque ()
246 && ((dst = XftDrawPicture (d)))) 248 && ((dst = XftDrawPicture (d))))
247 { 249 {
248 XClearArea (disp, d, x, y, w, h, false); 250 XClearArea (disp, d, x, y, w, h, false);
249 251
… …
448 450
449 text_t chrs[2]; 451 text_t chrs[2];
450 chrs [1] = NOCHAR; 452 chrs [1] = NOCHAR;
451 453
452 *chrs = cc->c1; 454 *chrs = cc->c1;
453 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 455 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
454 f1->draw (d, x, y, chrs, width, fg, bg); 456 f1->draw (d, x, y, chrs, width, fg, bg);
455 457
456 if (cc->c2 != NOCHAR) 458 if (cc->c2 != NOCHAR)
457 { 459 {
458 bool careful; 460 bool careful;
459 461
460 // prefer font of first character, for no good reasons 462 // prefer font of first character, for no good reasons
461 *chrs = cc->c2; 463 *chrs = cc->c2;
462 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) 464 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
463 ? f1 465 ? f1
464 : (*fs)[fs->find_font (cc->c2)]; 466 : (*fs)[fs->find_font_idx (cc->c2)];
465 467
466 f2->draw (d, x, y, chrs, width, fg, Color_none); 468 f2->draw (d, x, y, chrs, width, fg, Color_none);
467 } 469 }
468 } 470 }
469#endif 471#endif
… …
482 484
483 x += fwidth; 485 x += fwidth;
484 } 486 }
485} 487}
486 488
489struct rxvt_font_overflow : rxvt_font {
490 struct rxvt_fontset *fs;
491
492 rxvt_font_overflow (rxvt_fontset *fs)
493 : rxvt_font ()
494 {
495 this->fs = fs;
496 }
497
498 rxvt_fontprop properties ()
499 {
500 rxvt_fontprop p;
501
502 p.width = p.height = 1;
503 p.ascent = rxvt_fontprop::unset;
504 p.weight = rxvt_fontprop::medium;
505 p.slant = rxvt_fontprop::roman;
506
507 return p;
508 }
509
510 bool load (const rxvt_fontprop &prop, bool force_prop)
511 {
512 width = 1; height = 1;
513 ascent = 1; descent = 0;
514
515 set_name (strdup ("built-in rendition overflow font"));
516
517 return true;
518 }
519
520 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
521 {
522 return false;
523 }
524
525 void draw (rxvt_drawable &d, int x, int y,
526 const text_t *text, int len,
527 int fg, int bg)
528 {
529 while (len--)
530 {
531 int fid = fs->find_font_idx (*text);
532 (*fs)[fid]->draw (d, x, y, text, 1, fg, bg);
533 ++text;
534 x += term->fwidth;
535 }
536 }
537};
538
487///////////////////////////////////////////////////////////////////////////// 539/////////////////////////////////////////////////////////////////////////////
488 540
489struct rxvt_font_x11 : rxvt_font { 541struct rxvt_font_x11 : rxvt_font {
490 rxvt_font_x11 () { f = 0; } 542 rxvt_font_x11 () { f = 0; }
491 543
… …
666 f = XLoadQueryFont (disp, name); 718 f = XLoadQueryFont (disp, name);
667 719
668 if (!f) 720 if (!f)
669 return false; 721 return false;
670 722
671 char *new_name = get_property (f, XA_FONT, name); 723 char *new_name = get_property (f, XA_FONT, 0);
672 724
673 if (new_name) 725 if (new_name)
674 set_name (new_name); 726 set_name (new_name);
675 else 727 else
676 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 728 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
677 729
678 XFreeFont (disp, f); 730 XFreeFont (disp, f);
679 f = 0; 731 f = 0;
680 } 732 }
681 733
… …
738 free (fname); 790 free (fname);
739 if (replace_field (&fname, list[i], 11, '0', "0")) 791 if (replace_field (&fname, list[i], 11, '0', "0"))
740 diff += 300; // more heavily penalize what looks like scaled bitmap fonts 792 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
741 } 793 }
742 794
743 if (!set_properties (p, fname)) 795 if (!set_properties (p, fname)
796 // also weed out too large fonts
797 || (prop.height != rxvt_fontprop::unset
798 && p.height > prop.height))
799 {
800 free (fname);
744 continue; 801 continue;
745 802 }
746 if (prop.height != rxvt_fontprop::unset
747 && p.height > prop.height) // weed out too large fonts
748 continue;
749 803
750 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 804 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
751 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 805 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
752 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 806 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
753 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 807 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
… …
810 free (registry); 864 free (registry);
811 free (encoding); 865 free (encoding);
812 866
813 if (cs == CS_UNKNOWN) 867 if (cs == CS_UNKNOWN)
814 { 868 {
815 const char *charset = get_property (f, XA_FONT, 0); 869 char *value = get_property (f, XA_FONT, 0);
870 const char *charset = value;
816 871
817 if (!charset) 872 if (!charset)
818 charset = name; 873 charset = name;
819 874
820 int count = 13; 875 int count = 13;
… …
823 break; 878 break;
824 879
825 cs = codeset_from_name (charset); 880 cs = codeset_from_name (charset);
826 if (cs == CS_UNKNOWN) 881 if (cs == CS_UNKNOWN)
827 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset); 882 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
883
884 free (value);
828 } 885 }
829 886
830 if (cs == CS_UNKNOWN) 887 if (cs == CS_UNKNOWN)
831 { 888 {
832 clear (); 889 clear ();
… …
864 } 921 }
865#endif 922#endif
866 923
867 width = 1; 924 width = 1;
868 925
869 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 926 for (uint16_t *t = extent_test_chars + ARRAY_LENGTH(extent_test_chars); t-- > extent_test_chars; )
870 { 927 {
871 if (FROM_UNICODE (cs, *t) == NOCHAR) 928 if (FROM_UNICODE (cs, *t) == NOCHAR)
872 continue; 929 continue;
873 930
874 // ignore characters we wouldn't use anyways 931 // ignore characters we wouldn't use anyways
… …
1161 int ftheight = 0; 1218 int ftheight = 0;
1162 bool success = true; 1219 bool success = true;
1163 1220
1164 for (;;) 1221 for (;;)
1165 { 1222 {
1223 p = FcPatternDuplicate (match);
1166 f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); 1224 f = XftFontOpenPattern (disp, p);
1167 1225
1168 if (!f) 1226 if (!f)
1169 { 1227 {
1228 FcPatternDestroy (p);
1170 success = false; 1229 success = false;
1171 break; 1230 break;
1172 } 1231 }
1173 1232
1174 FT_Face face = XftLockFace (f); 1233 FT_Face face = XftLockFace (f);
… …
1182 1241
1183 XftUnlockFace (f); 1242 XftUnlockFace (f);
1184 1243
1185 int glheight = height; 1244 int glheight = height;
1186 1245
1187 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1246 for (uint16_t *t = extent_test_chars + ARRAY_LENGTH(extent_test_chars); t-- > extent_test_chars; )
1188 { 1247 {
1189 FcChar16 ch = *t; 1248 FcChar16 ch = *t;
1190 1249
1191 if (cs != CS_UNICODE 1250 if (cs != CS_UNICODE
1192 && ch > 0x100 1251 && ch > 0x100
… …
1347 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h); 1406 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1348 1407
1349#ifdef HAVE_BG_PIXMAP 1408#ifdef HAVE_BG_PIXMAP
1350 Picture dst = 0; // the only assignment is done conditionally in the following if condition 1409 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1351 1410
1352 if (term->bgPixmap.pixmap 1411 if (term->bg_pixmap
1353 && (bg == Color_transparent || bg == Color_bg 1412 && (bg == Color_transparent || bg == Color_bg
1354 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2)))))) 1413 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1355 { 1414 {
1356 int src_x = x, src_y = y; 1415 int src_x = x, src_y = y;
1357 1416
1358 if (term->bgPixmap.is_parentOrigin ()) 1417 if (term->bg_flags & rxvt_term::isTransparent)
1359 { 1418 {
1360 src_x += term->window_vt_x; 1419 src_x += term->window_vt_x;
1361 src_y += term->window_vt_y; 1420 src_y += term->window_vt_y;
1362 } 1421 }
1363 1422
1364 if (term->bgPixmap.pmap_width >= src_x + w 1423 if (term->bg_pmap_width >= src_x + w
1365 && term->bgPixmap.pmap_height >= src_y + h) 1424 && term->bg_pmap_height >= src_y + h)
1366 { 1425 {
1367 XCopyArea (disp, term->bgPixmap.pixmap, d2, gc, 1426 XCopyArea (disp, term->bg_pixmap, d2, gc,
1368 src_x, src_y, w, h, 0, 0); 1427 src_x, src_y, w, h, 0, 0);
1369 } 1428 }
1370 else 1429 else
1371 { 1430 {
1372 XGCValues gcv; 1431 XGCValues gcv;
1373 1432
1374 gcv.fill_style = FillTiled; 1433 gcv.fill_style = FillTiled;
1375 gcv.tile = term->bgPixmap.pixmap; 1434 gcv.tile = term->bg_pixmap;
1376 gcv.ts_x_origin = -src_x; 1435 gcv.ts_x_origin = -src_x;
1377 gcv.ts_y_origin = -src_y; 1436 gcv.ts_y_origin = -src_y;
1378 1437
1379 XChangeGC (disp, gc, 1438 XChangeGC (disp, gc,
1380 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle, 1439 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
… …
1432 prop.width = prop.height = prop.ascent = prop.weight = prop.slant 1491 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1433 = rxvt_fontprop::unset; 1492 = rxvt_fontprop::unset;
1434 force_prop = false; 1493 force_prop = false;
1435 1494
1436 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1495 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1437 FONT_UNREF (*i); 1496 (*i)->unref ();
1438 1497
1439 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1498 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1440 delete *p; 1499 delete *p;
1441 1500
1442 free (fontdesc); fontdesc = 0; 1501 free (fontdesc); fontdesc = 0;
… …
1444 fonts.clear (); 1503 fonts.clear ();
1445 1504
1446 fallback = fallback_fonts; 1505 fallback = fallback_fonts;
1447} 1506}
1448 1507
1508void
1509rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1510{
1511 font->set_term (term);
1512
1513 font->cs = cs;
1514 font->loaded = false;
1515}
1516
1449rxvt_font * 1517rxvt_font *
1450rxvt_fontset::new_font (const char *name, codeset cs) 1518rxvt_fontset::new_font (const char *name, codeset cs)
1451{ 1519{
1452 rxvt_font *f; 1520 rxvt_font *f;
1453 1521
… …
1469 f = new rxvt_font_x11; 1537 f = new rxvt_font_x11;
1470 } 1538 }
1471 else 1539 else
1472 f = new rxvt_font_x11; 1540 f = new rxvt_font_x11;
1473 1541
1474 f->set_term (term);
1475 f->set_name (strdup (name)); 1542 f->set_name (strdup (name));
1476 1543 prepare_font (f, cs);
1477 f->cs = cs;
1478 f->loaded = false;
1479 1544
1480 return f; 1545 return f;
1481} 1546}
1482 1547
1483///////////////////////////////////////////////////////////////////////////// 1548/////////////////////////////////////////////////////////////////////////////
1549
1550void
1551rxvt_fontset::push_font (rxvt_font *font)
1552{
1553 // the fontCount index is reserved for the overflow font, it is only
1554 // necessary when we get fontCount or more fonts, as they cannot be
1555 // represented in the rendition.
1556 if (fonts.size () == fontCount)
1557 {
1558 rxvt_font *f = new rxvt_font_overflow (this);
1559
1560 prepare_font (f, CS_UNICODE);
1561 fonts.push_back (f);
1562 }
1563
1564 fonts.push_back (font);
1565}
1484 1566
1485void 1567void
1486rxvt_fontset::add_fonts (const char *desc) 1568rxvt_fontset::add_fonts (const char *desc)
1487{ 1569{
1488 if (desc) 1570 if (desc)
… …
1529 if (end - desc < 511) 1611 if (end - desc < 511)
1530 { 1612 {
1531 memcpy (buf, desc, end - desc); 1613 memcpy (buf, desc, end - desc);
1532 buf[end - desc] = 0; 1614 buf[end - desc] = 0;
1533 1615
1534 fonts.push_back (new_font (buf, cs)); 1616 push_font (new_font (buf, cs));
1535 } 1617 }
1536 else 1618 else
1537 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1619 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1538 1620
1539 desc = end + 1; 1621 desc = end + 1;
1540 } 1622 }
1541 while (*end); 1623 while (*end);
1542 } 1624 }
… …
1567{ 1649{
1568 clear (); 1650 clear ();
1569 1651
1570 fontdesc = strdup (desc); 1652 fontdesc = strdup (desc);
1571 1653
1572 fonts.push_back (new_font (0, CS_UNICODE)); 1654 push_font (new_font (0, CS_UNICODE));
1573 realize_font (0); 1655 realize_font (0);
1574 1656
1575 add_fonts (desc); 1657 add_fonts (desc);
1576 1658
1577 return true; 1659 return true;
… …
1586 1668
1587 return -1; 1669 return -1;
1588} 1670}
1589 1671
1590int 1672int
1591rxvt_fontset::find_font (unicode_t unicode) 1673rxvt_fontset::find_font_idx (unicode_t unicode)
1592{ 1674{
1593 if (unicode >= 1<<20) 1675 if (unicode >= 1<<20)
1594 return 0; 1676 return 0;
1595 1677
1596 unicode_t hi = unicode >> 8; 1678 unicode_t hi = unicode >> 8;
… …
1622 goto next_font; 1704 goto next_font;
1623 1705
1624 bool careful; 1706 bool careful;
1625 if (f->has_char (unicode, &prop, careful)) 1707 if (f->has_char (unicode, &prop, careful))
1626 { 1708 {
1627 if (careful) 1709 i = (i << 1) | careful;
1628 i |= 128;
1629 1710
1630 goto found; 1711 goto found;
1631 } 1712 }
1632 1713
1633 next_font: 1714 next_font:
1634 if (i == fonts.size () - 1) 1715 if (i == fonts.size () - 1)
1635 { 1716 {
1636 if (fallback->name) 1717 if (fallback->name)
1637 { 1718 {
1638 // search through the fallback list 1719 // search through the fallback list
1639 fonts.push_back (new_font (fallback->name, fallback->cs)); 1720 push_font (new_font (fallback->name, fallback->cs));
1640 fallback++; 1721 fallback++;
1641 } 1722 }
1642 else 1723 else
1643 { 1724 {
1644 // try to find a new font. 1725 // try to find a new font.
… …
1677 if (find_font (font) < 0) 1758 if (find_font (font) < 0)
1678 { 1759 {
1679 char fontname[4096]; 1760 char fontname[4096];
1680 snprintf (fontname, sizeof (fontname), "xft:%s", font); 1761 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1681 1762
1682 fonts.push_back (new_font (fontname, CS_UNICODE)); 1763 push_font (new_font (fontname, CS_UNICODE));
1683 } 1764 }
1684 1765
1685 free (font); 1766 free (font);
1686 } 1767 }
1687#endif 1768#endif

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