/*!
    \overload
    Returns information about the joining properties of the UCS-2-encoded
    character specified by \a ucs2 (needed for certain languages such as
    Arabic).
*/
QChar::Joining QChar::joining(ushort ucs2)
{
    return (QChar::Joining) qGetProp(ucs2)->joining;
}

/*!
    \overload
    Returns the direction of the UCS-4-encoded character specified by \a ucs4.
*/
QChar::Direction QChar::direction(uint ucs4)
{
    if (ucs4 > UNICODE_LAST_CODEPOINT)
        return QChar::DirL;
    return (QChar::Direction) qGetProp(ucs4)->direction;
}

/*!
    \overload
    Returns the numeric value of the digit, specified by the UCS-2-encoded
    character, \a ucs2, or -1 if the character is not a digit.
*/
int QChar::digitValue(ushort ucs2)
{
    return qGetProp(ucs2)->digitValue;
}

static inline ushort foldCase(ushort ch)
{
    return ch + qGetProp(ch)->caseFoldDiff;
}

/*!
    Returns the case folded equivalent of the character. For most Unicode characters this
    is the same as toLowerCase().
*/
QChar QChar::toCaseFolded() const
{
    return ucs + qGetProp(ucs)->caseFoldDiff;
}

/*!
    \overload
    Returns information about the joining properties of the UCS-4-encoded
    character specified by \a ucs4 (needed for certain languages such as
    Arabic).
*/
QChar::Joining QChar::joining(uint ucs4)
{
    if (ucs4 > UNICODE_LAST_CODEPOINT)
        return QChar::OtherJoining;
    return (QChar::Joining) qGetProp(ucs4)->joining;
}

//.........这里部分代码省略.........
    \fn QChar::QChar(QLatin1Char ch)

    Constructs a QChar corresponding to ASCII/Latin-1 character \a ch.
*/

/*!
    \fn QChar::QChar(SpecialCharacter ch)

    Constructs a QChar for the predefined character value \a ch.
*/

/*!
    \fn QChar::QChar(char ch)

    Constructs a QChar corresponding to ASCII/Latin-1 character \a ch.
*/

/*!
    \fn QChar::QChar(uchar ch)

    Constructs a QChar corresponding to ASCII/Latin-1 character \a ch.
*/

/*!
    \fn QChar::QChar(uchar cell, uchar row)

    Constructs a QChar for Unicode cell \a cell in row \a row.

    \sa cell(), row()
*/

/*!
    \fn QChar::QChar(ushort code)

    Constructs a QChar for the character with Unicode code point \a
    code.
*/


/*!
    \fn QChar::QChar(short code)

    Constructs a QChar for the character with Unicode code point \a
    code.
*/


/*!
    \fn QChar::QChar(uint code)

    Constructs a QChar for the character with Unicode code point \a
    code.
*/


/*!
    \fn QChar::QChar(int code)

    Constructs a QChar for the character with Unicode code point \a
    code.
*/


/*!
    \fn bool QChar::isNull() const

    Returns true if the character is the Unicode character 0x0000
    ('\\0'); otherwise returns false.
*/

/*!
    \fn uchar QChar::cell() const

    Returns the cell (least significant byte) of the Unicode
    character.

    \sa row()
*/

/*!
    \fn uchar QChar::row() const

    Returns the row (most significant byte) of the Unicode character.

    \sa cell()
*/

/*!
    Returns true if the character is a printable character; otherwise
    returns false. This is any character not of category Cc or Cn.

    Note that this gives no indication of whether the character is
    available in a particular font.
*/
bool QChar::isPrint() const
{
    const int test = FLAG(Other_Control) |
                     FLAG(Other_NotAssigned);
    return !(FLAG(qGetProp(ucs)->category) & test);
}

/*!
    Returns true if the character should be reversed if the text
    direction is reversed; otherwise returns false.

    Same as (ch.mirroredChar() != ch).

    \sa mirroredChar()
*/
bool QChar::hasMirrored() const
{
    return qGetProp(ucs)->mirrorDiff != 0;
}