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26 | |
26 | |
27 | #include <cstdlib> |
27 | #include <cstdlib> |
28 | |
28 | |
29 | #include <inttypes.h> |
29 | #include <inttypes.h> |
30 | |
30 | |
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31 | #if XFT |
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32 | # include <fontconfig/fontconfig.h> |
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33 | #endif |
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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 | |
40 | const struct rxvt_fallback_font { |
44 | static 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" }, |
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448 | |
452 | |
449 | text_t chrs[2]; |
453 | text_t chrs[2]; |
450 | chrs [1] = NOCHAR; |
454 | chrs [1] = NOCHAR; |
451 | |
455 | |
452 | *chrs = cc->c1; |
456 | *chrs = cc->c1; |
453 | rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; |
457 | rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)]; |
454 | f1->draw (d, x, y, chrs, width, fg, bg); |
458 | f1->draw (d, x, y, chrs, width, fg, bg); |
455 | |
459 | |
456 | if (cc->c2 != NOCHAR) |
460 | if (cc->c2 != NOCHAR) |
457 | { |
461 | { |
458 | bool careful; |
462 | bool careful; |
459 | |
463 | |
460 | // prefer font of first character, for no good reasons |
464 | // prefer font of first character, for no good reasons |
461 | *chrs = cc->c2; |
465 | *chrs = cc->c2; |
462 | rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) |
466 | rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) |
463 | ? f1 |
467 | ? f1 |
464 | : (*fs)[fs->find_font (cc->c2)]; |
468 | : (*fs)[fs->find_font_idx (cc->c2)]; |
465 | |
469 | |
466 | f2->draw (d, x, y, chrs, width, fg, Color_none); |
470 | f2->draw (d, x, y, chrs, width, fg, Color_none); |
467 | } |
471 | } |
468 | } |
472 | } |
469 | #endif |
473 | #endif |
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482 | |
486 | |
483 | x += fwidth; |
487 | x += fwidth; |
484 | } |
488 | } |
485 | } |
489 | } |
486 | |
490 | |
487 | struct rxvt_font_meta : rxvt_font { |
491 | struct rxvt_font_overflow : rxvt_font { |
488 | struct rxvt_fontset *fs; |
492 | struct rxvt_fontset *fs; |
489 | |
493 | |
490 | rxvt_font_meta (rxvt_fontset *fs) |
494 | rxvt_font_overflow (rxvt_fontset *fs) |
491 | : rxvt_font () |
495 | : rxvt_font () |
492 | { |
496 | { |
493 | this->fs = fs; |
497 | this->fs = fs; |
494 | } |
498 | } |
495 | |
499 | |
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… | |
508 | bool load (const rxvt_fontprop &prop, bool force_prop) |
512 | bool load (const rxvt_fontprop &prop, bool force_prop) |
509 | { |
513 | { |
510 | width = 1; height = 1; |
514 | width = 1; height = 1; |
511 | ascent = 1; descent = 0; |
515 | ascent = 1; descent = 0; |
512 | |
516 | |
513 | set_name (strdup ("built-in meta font")); |
517 | set_name (strdup ("built-in rendition overflow font")); |
514 | |
518 | |
515 | return true; |
519 | return true; |
516 | } |
520 | } |
517 | |
521 | |
518 | bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const |
522 | bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const |
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1403 | && (bg == Color_transparent || bg == Color_bg |
1407 | && (bg == Color_transparent || bg == Color_bg |
1404 | || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2)))))) |
1408 | || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2)))))) |
1405 | { |
1409 | { |
1406 | int src_x = x, src_y = y; |
1410 | int src_x = x, src_y = y; |
1407 | |
1411 | |
1408 | if (term->bgPixmap.is_parentOrigin ()) |
1412 | if (term->bgPixmap.flags & bgPixmap_t::isTransparent) |
1409 | { |
1413 | { |
1410 | src_x += term->window_vt_x; |
1414 | src_x += term->window_vt_x; |
1411 | src_y += term->window_vt_y; |
1415 | src_y += term->window_vt_y; |
1412 | } |
1416 | } |
1413 | |
1417 | |
… | |
… | |
1482 | prop.width = prop.height = prop.ascent = prop.weight = prop.slant |
1486 | prop.width = prop.height = prop.ascent = prop.weight = prop.slant |
1483 | = rxvt_fontprop::unset; |
1487 | = rxvt_fontprop::unset; |
1484 | force_prop = false; |
1488 | force_prop = false; |
1485 | |
1489 | |
1486 | for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) |
1490 | for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) |
1487 | FONT_UNREF (*i); |
1491 | (*i)->unref (); |
1488 | |
1492 | |
1489 | for (pagemap **p = fmap.begin (); p != fmap.end (); p++) |
1493 | for (pagemap **p = fmap.begin (); p != fmap.end (); p++) |
1490 | delete *p; |
1494 | delete *p; |
1491 | |
1495 | |
1492 | free (fontdesc); fontdesc = 0; |
1496 | free (fontdesc); fontdesc = 0; |
… | |
… | |
1494 | fonts.clear (); |
1498 | fonts.clear (); |
1495 | |
1499 | |
1496 | fallback = fallback_fonts; |
1500 | fallback = fallback_fonts; |
1497 | } |
1501 | } |
1498 | |
1502 | |
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|
1503 | void |
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1504 | rxvt_fontset::prepare_font (rxvt_font *font, codeset cs) |
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1505 | { |
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1506 | font->set_term (term); |
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1507 | |
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1508 | font->cs = cs; |
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1509 | font->loaded = false; |
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|
1510 | } |
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|
1511 | |
1499 | rxvt_font * |
1512 | rxvt_font * |
1500 | rxvt_fontset::new_font (const char *name, codeset cs) |
1513 | rxvt_fontset::new_font (const char *name, codeset cs) |
1501 | { |
1514 | { |
1502 | rxvt_font *f; |
1515 | rxvt_font *f; |
1503 | |
1516 | |
… | |
… | |
1519 | f = new rxvt_font_x11; |
1532 | f = new rxvt_font_x11; |
1520 | } |
1533 | } |
1521 | else |
1534 | else |
1522 | f = new rxvt_font_x11; |
1535 | f = new rxvt_font_x11; |
1523 | |
1536 | |
1524 | f->set_term (term); |
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1525 | f->set_name (strdup (name)); |
1537 | f->set_name (strdup (name)); |
1526 | |
1538 | prepare_font (f, cs); |
1527 | f->cs = cs; |
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1528 | f->loaded = false; |
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1529 | |
1539 | |
1530 | return f; |
1540 | return f; |
1531 | } |
1541 | } |
1532 | |
1542 | |
1533 | ///////////////////////////////////////////////////////////////////////////// |
1543 | ///////////////////////////////////////////////////////////////////////////// |
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1544 | |
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1545 | void |
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1546 | rxvt_fontset::push_font (rxvt_font *font) |
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1547 | { |
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1548 | // the fontCount index is reserved for the overflow font, it is only |
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|
1549 | // necessary when we get fontCount or more fonts, as they cannot be |
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|
1550 | // represented in the rendition. |
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1551 | if (fonts.size () == fontCount) |
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|
1552 | { |
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1553 | rxvt_font *f = new rxvt_font_overflow (this); |
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1554 | |
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1555 | prepare_font (f, CS_UNICODE); |
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|
1556 | fonts.push_back (f); |
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|
1557 | } |
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1558 | |
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|
1559 | fonts.push_back (font); |
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|
1560 | } |
1534 | |
1561 | |
1535 | void |
1562 | void |
1536 | rxvt_fontset::add_fonts (const char *desc) |
1563 | rxvt_fontset::add_fonts (const char *desc) |
1537 | { |
1564 | { |
1538 | if (desc) |
1565 | if (desc) |
… | |
… | |
1579 | if (end - desc < 511) |
1606 | if (end - desc < 511) |
1580 | { |
1607 | { |
1581 | memcpy (buf, desc, end - desc); |
1608 | memcpy (buf, desc, end - desc); |
1582 | buf[end - desc] = 0; |
1609 | buf[end - desc] = 0; |
1583 | |
1610 | |
1584 | fonts.push_back (new_font (buf, cs)); |
1611 | push_font (new_font (buf, cs)); |
1585 | } |
1612 | } |
1586 | else |
1613 | else |
1587 | rxvt_warn ("fontset element too long (>511 bytes), ignored."); |
1614 | rxvt_warn ("fontset element too long (>511 bytes), ignored."); |
1588 | |
1615 | |
1589 | desc = end + 1; |
1616 | desc = end + 1; |
… | |
… | |
1617 | { |
1644 | { |
1618 | clear (); |
1645 | clear (); |
1619 | |
1646 | |
1620 | fontdesc = strdup (desc); |
1647 | fontdesc = strdup (desc); |
1621 | |
1648 | |
1622 | fonts.push_back (new_font (0, CS_UNICODE)); |
1649 | push_font (new_font (0, CS_UNICODE)); |
1623 | realize_font (0); |
1650 | realize_font (0); |
1624 | |
1651 | |
1625 | add_fonts (desc); |
1652 | add_fonts (desc); |
1626 | |
1653 | |
1627 | return true; |
1654 | return true; |
… | |
… | |
1683 | if (i == fonts.size () - 1) |
1710 | if (i == fonts.size () - 1) |
1684 | { |
1711 | { |
1685 | if (fallback->name) |
1712 | if (fallback->name) |
1686 | { |
1713 | { |
1687 | // search through the fallback list |
1714 | // search through the fallback list |
1688 | fonts.push_back (new_font (fallback->name, fallback->cs)); |
1715 | push_font (new_font (fallback->name, fallback->cs)); |
1689 | fallback++; |
1716 | fallback++; |
1690 | } |
1717 | } |
1691 | else |
1718 | else |
1692 | { |
1719 | { |
1693 | // try to find a new font. |
1720 | // try to find a new font. |
… | |
… | |
1726 | if (find_font (font) < 0) |
1753 | if (find_font (font) < 0) |
1727 | { |
1754 | { |
1728 | char fontname[4096]; |
1755 | char fontname[4096]; |
1729 | snprintf (fontname, sizeof (fontname), "xft:%s", font); |
1756 | snprintf (fontname, sizeof (fontname), "xft:%s", font); |
1730 | |
1757 | |
1731 | fonts.push_back (new_font (fontname, CS_UNICODE)); |
1758 | push_font (new_font (fontname, CS_UNICODE)); |
1732 | } |
1759 | } |
1733 | |
1760 | |
1734 | free (font); |
1761 | free (font); |
1735 | } |
1762 | } |
1736 | #endif |
1763 | #endif |
… | |
… | |
1758 | } |
1785 | } |
1759 | |
1786 | |
1760 | return i; |
1787 | return i; |
1761 | } |
1788 | } |
1762 | |
1789 | |
1763 | int |
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|
1764 | rxvt_fontset::find_font (unicode_t unicode) |
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|
1765 | { |
|
|
1766 | return min<int> ((fontCount << 1) | 1, find_font_idx (unicode)); |
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|
1767 | } |
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1768 | |
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