| … | |
… | |
| 482 | |
482 | |
| 483 | x += fwidth; |
483 | x += fwidth; |
| 484 | } |
484 | } |
| 485 | } |
485 | } |
| 486 | |
486 | |
|
|
487 | struct rxvt_font_overflow : rxvt_font { |
|
|
488 | struct rxvt_fontset *fs; |
|
|
489 | |
|
|
490 | rxvt_font_overflow (rxvt_fontset *fs) |
|
|
491 | : rxvt_font () |
|
|
492 | { |
|
|
493 | this->fs = fs; |
|
|
494 | } |
|
|
495 | |
|
|
496 | rxvt_fontprop properties () |
|
|
497 | { |
|
|
498 | rxvt_fontprop p; |
|
|
499 | |
|
|
500 | p.width = p.height = 1; |
|
|
501 | p.ascent = rxvt_fontprop::unset; |
|
|
502 | p.weight = rxvt_fontprop::medium; |
|
|
503 | p.slant = rxvt_fontprop::roman; |
|
|
504 | |
|
|
505 | return p; |
|
|
506 | } |
|
|
507 | |
|
|
508 | bool load (const rxvt_fontprop &prop, bool force_prop) |
|
|
509 | { |
|
|
510 | width = 1; height = 1; |
|
|
511 | ascent = 1; descent = 0; |
|
|
512 | |
|
|
513 | set_name (strdup ("built-in rendition overflow font")); |
|
|
514 | |
|
|
515 | return true; |
|
|
516 | } |
|
|
517 | |
|
|
518 | bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const |
|
|
519 | { |
|
|
520 | return false; |
|
|
521 | } |
|
|
522 | |
|
|
523 | void draw (rxvt_drawable &d, int x, int y, |
|
|
524 | const text_t *text, int len, |
|
|
525 | int fg, int bg) |
|
|
526 | { |
|
|
527 | while (len--) |
|
|
528 | { |
|
|
529 | int fid = fs->find_font_idx (*text); |
|
|
530 | (*fs)[fid]->draw (d, x, y, text, 1, fg, bg); |
|
|
531 | ++text; |
|
|
532 | x += term->fwidth; |
|
|
533 | } |
|
|
534 | } |
|
|
535 | }; |
|
|
536 | |
| 487 | ///////////////////////////////////////////////////////////////////////////// |
537 | ///////////////////////////////////////////////////////////////////////////// |
| 488 | |
538 | |
| 489 | struct rxvt_font_x11 : rxvt_font { |
539 | struct rxvt_font_x11 : rxvt_font { |
| 490 | rxvt_font_x11 () { f = 0; } |
540 | rxvt_font_x11 () { f = 0; } |
| 491 | |
541 | |
| … | |
… | |
| 499 | |
549 | |
| 500 | void draw (rxvt_drawable &d, int x, int y, |
550 | void draw (rxvt_drawable &d, int x, int y, |
| 501 | const text_t *text, int len, |
551 | const text_t *text, int len, |
| 502 | int fg, int bg); |
552 | int fg, int bg); |
| 503 | |
553 | |
| 504 | bool slow; // wether this is a proportional font or has other funny characteristics |
554 | bool slow; // whether this is a proportional font or has other funny characteristics |
| 505 | XFontStruct *f; |
555 | XFontStruct *f; |
| 506 | bool enc2b, encm; |
556 | bool enc2b, encm; |
| 507 | |
557 | |
| 508 | char *get_property (XFontStruct *f, Atom property, const char *repl) const; |
558 | char *get_property (XFontStruct *f, Atom property, const char *repl) const; |
| 509 | bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); |
559 | bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); |
| … | |
… | |
| 915 | uint32_t ch = FROM_UNICODE (cs, unicode); |
965 | uint32_t ch = FROM_UNICODE (cs, unicode); |
| 916 | |
966 | |
| 917 | if (ch == NOCHAR) |
967 | if (ch == NOCHAR) |
| 918 | return false; |
968 | return false; |
| 919 | |
969 | |
| 920 | /* check wether the character exists in _this_ font. horrible. */ |
970 | /* check whether the character exists in _this_ font. horrible. */ |
| 921 | XCharStruct *xcs; |
971 | XCharStruct *xcs; |
| 922 | |
972 | |
| 923 | if (encm) |
973 | if (encm) |
| 924 | { |
974 | { |
| 925 | unsigned char byte1 = ch >> 8; |
975 | unsigned char byte1 = ch >> 8; |
| … | |
… | |
| 955 | return false; |
1005 | return false; |
| 956 | |
1006 | |
| 957 | if (!prop || prop->width == rxvt_fontprop::unset) |
1007 | if (!prop || prop->width == rxvt_fontprop::unset) |
| 958 | return true; |
1008 | return true; |
| 959 | |
1009 | |
| 960 | // check wether character overlaps previous/next character |
1010 | // check whether character overlaps previous/next character |
| 961 | int w = xcs->rbearing - xcs->lbearing; |
1011 | int w = xcs->rbearing - xcs->lbearing; |
| 962 | int wcw = max (WCWIDTH (unicode), 1); |
1012 | int wcw = max (WCWIDTH (unicode), 1); |
| 963 | |
1013 | |
| 964 | careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw; |
1014 | careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw; |
| 965 | |
1015 | |
| … | |
… | |
| 1444 | fonts.clear (); |
1494 | fonts.clear (); |
| 1445 | |
1495 | |
| 1446 | fallback = fallback_fonts; |
1496 | fallback = fallback_fonts; |
| 1447 | } |
1497 | } |
| 1448 | |
1498 | |
|
|
1499 | void |
|
|
1500 | rxvt_fontset::prepare_font (rxvt_font *font, codeset cs) |
|
|
1501 | { |
|
|
1502 | font->set_term (term); |
|
|
1503 | |
|
|
1504 | font->cs = cs; |
|
|
1505 | font->loaded = false; |
|
|
1506 | } |
|
|
1507 | |
| 1449 | rxvt_font * |
1508 | rxvt_font * |
| 1450 | rxvt_fontset::new_font (const char *name, codeset cs) |
1509 | rxvt_fontset::new_font (const char *name, codeset cs) |
| 1451 | { |
1510 | { |
| 1452 | rxvt_font *f; |
1511 | rxvt_font *f; |
| 1453 | |
1512 | |
| … | |
… | |
| 1469 | f = new rxvt_font_x11; |
1528 | f = new rxvt_font_x11; |
| 1470 | } |
1529 | } |
| 1471 | else |
1530 | else |
| 1472 | f = new rxvt_font_x11; |
1531 | f = new rxvt_font_x11; |
| 1473 | |
1532 | |
| 1474 | f->set_term (term); |
|
|
| 1475 | f->set_name (strdup (name)); |
1533 | f->set_name (strdup (name)); |
| 1476 | |
1534 | prepare_font (f, cs); |
| 1477 | f->cs = cs; |
|
|
| 1478 | f->loaded = false; |
|
|
| 1479 | |
1535 | |
| 1480 | return f; |
1536 | return f; |
| 1481 | } |
1537 | } |
| 1482 | |
1538 | |
| 1483 | ///////////////////////////////////////////////////////////////////////////// |
1539 | ///////////////////////////////////////////////////////////////////////////// |
|
|
1540 | |
|
|
1541 | void |
|
|
1542 | rxvt_fontset::push_font (rxvt_font *font) |
|
|
1543 | { |
|
|
1544 | // the fontCount index is reserved for the overflow font, it is only |
|
|
1545 | // necessary when we get fontCount or more fonts, as they cannot be |
|
|
1546 | // represented in the rendition. |
|
|
1547 | if (fonts.size () == fontCount) |
|
|
1548 | { |
|
|
1549 | rxvt_font *f = new rxvt_font_overflow (this); |
|
|
1550 | |
|
|
1551 | prepare_font (f, CS_UNICODE); |
|
|
1552 | fonts.push_back (f); |
|
|
1553 | } |
|
|
1554 | |
|
|
1555 | fonts.push_back (font); |
|
|
1556 | } |
| 1484 | |
1557 | |
| 1485 | void |
1558 | void |
| 1486 | rxvt_fontset::add_fonts (const char *desc) |
1559 | rxvt_fontset::add_fonts (const char *desc) |
| 1487 | { |
1560 | { |
| 1488 | if (desc) |
1561 | if (desc) |
| … | |
… | |
| 1529 | if (end - desc < 511) |
1602 | if (end - desc < 511) |
| 1530 | { |
1603 | { |
| 1531 | memcpy (buf, desc, end - desc); |
1604 | memcpy (buf, desc, end - desc); |
| 1532 | buf[end - desc] = 0; |
1605 | buf[end - desc] = 0; |
| 1533 | |
1606 | |
| 1534 | fonts.push_back (new_font (buf, cs)); |
1607 | push_font (new_font (buf, cs)); |
| 1535 | } |
1608 | } |
| 1536 | else |
1609 | else |
| 1537 | rxvt_warn ("fontset element too long (>511 bytes), ignored."); |
1610 | rxvt_warn ("fontset element too long (>511 bytes), ignored."); |
| 1538 | |
1611 | |
| 1539 | desc = end + 1; |
1612 | desc = end + 1; |
| … | |
… | |
| 1567 | { |
1640 | { |
| 1568 | clear (); |
1641 | clear (); |
| 1569 | |
1642 | |
| 1570 | fontdesc = strdup (desc); |
1643 | fontdesc = strdup (desc); |
| 1571 | |
1644 | |
| 1572 | fonts.push_back (new_font (0, CS_UNICODE)); |
1645 | push_font (new_font (0, CS_UNICODE)); |
| 1573 | realize_font (0); |
1646 | realize_font (0); |
| 1574 | |
1647 | |
| 1575 | add_fonts (desc); |
1648 | add_fonts (desc); |
| 1576 | |
1649 | |
| 1577 | return true; |
1650 | return true; |
| … | |
… | |
| 1586 | |
1659 | |
| 1587 | return -1; |
1660 | return -1; |
| 1588 | } |
1661 | } |
| 1589 | |
1662 | |
| 1590 | int |
1663 | int |
| 1591 | rxvt_fontset::find_font (unicode_t unicode) |
1664 | rxvt_fontset::find_font_idx (unicode_t unicode) |
| 1592 | { |
1665 | { |
| 1593 | if (unicode >= 1<<20) |
1666 | if (unicode >= 1<<20) |
| 1594 | return 0; |
1667 | return 0; |
| 1595 | |
1668 | |
| 1596 | unicode_t hi = unicode >> 8; |
1669 | unicode_t hi = unicode >> 8; |
| … | |
… | |
| 1622 | goto next_font; |
1695 | goto next_font; |
| 1623 | |
1696 | |
| 1624 | bool careful; |
1697 | bool careful; |
| 1625 | if (f->has_char (unicode, &prop, careful)) |
1698 | if (f->has_char (unicode, &prop, careful)) |
| 1626 | { |
1699 | { |
| 1627 | if (careful) |
1700 | i = (i << 1) | careful; |
| 1628 | i |= 128; |
|
|
| 1629 | |
1701 | |
| 1630 | goto found; |
1702 | goto found; |
| 1631 | } |
1703 | } |
| 1632 | |
1704 | |
| 1633 | next_font: |
1705 | next_font: |
| 1634 | if (i == fonts.size () - 1) |
1706 | if (i == fonts.size () - 1) |
| 1635 | { |
1707 | { |
| 1636 | if (fallback->name) |
1708 | if (fallback->name) |
| 1637 | { |
1709 | { |
| 1638 | // search through the fallback list |
1710 | // search through the fallback list |
| 1639 | fonts.push_back (new_font (fallback->name, fallback->cs)); |
1711 | push_font (new_font (fallback->name, fallback->cs)); |
| 1640 | fallback++; |
1712 | fallback++; |
| 1641 | } |
1713 | } |
| 1642 | else |
1714 | else |
| 1643 | { |
1715 | { |
| 1644 | // try to find a new font. |
1716 | // try to find a new font. |
| … | |
… | |
| 1677 | if (find_font (font) < 0) |
1749 | if (find_font (font) < 0) |
| 1678 | { |
1750 | { |
| 1679 | char fontname[4096]; |
1751 | char fontname[4096]; |
| 1680 | snprintf (fontname, sizeof (fontname), "xft:%s", font); |
1752 | snprintf (fontname, sizeof (fontname), "xft:%s", font); |
| 1681 | |
1753 | |
| 1682 | fonts.push_back (new_font (fontname, CS_UNICODE)); |
1754 | push_font (new_font (fontname, CS_UNICODE)); |
| 1683 | } |
1755 | } |
| 1684 | |
1756 | |
| 1685 | free (font); |
1757 | free (font); |
| 1686 | } |
1758 | } |
| 1687 | #endif |
1759 | #endif |
