qrgb444 Class Reference

#include <qdrawhelper_p.h>

Public Functions
quint8	alpha () const
Q_STATIC_INLINE_FUNCTION quint8	alpha (quint8 a)
qrgb444	byte_mul (quint8 a) const
Q_STATIC_INLINE_FUNCTION bool	hasAlpha ()
Q_STATIC_INLINE_FUNCTION quint8	ialpha (quint8 a)
	operator quint32 () const
	operator quint8 () const
bool	operator!= (const qrgb444 &v) const
qrgb444	operator+ (qrgb444 v) const
bool	operator== (const qrgb444 &v) const
	qrgb444 ()
	qrgb444 (quint32 v)
	qrgb444 (qargb4444 v)
quint16	rawValue () const
qrgb444	truncedAlpha ()

Properties
quint16	data

Friends
class	qargb4444

Detailed Description

Definition at line 1627 of file qdrawhelper_p.h.

Constructors and Destructors

qrgb444() [1/3]

qrgb444::qrgb444 ( )

inline

Definition at line 1632 of file qdrawhelper_p.h.

{}

qrgb444() [2/3]

qrgb444::qrgb444 ( quint32  v )

inline

Definition at line 1712 of file qdrawhelper_p.h.

{
    v &= 0xf0f0f0f0;
    const int r = qRed(v) << 4;
    const int g = qGreen(v);
    const int b = qBlue(v) >> 4;

    data = r | g | b;
}

qrgb444() [3/3]

qrgb444::qrgb444 ( qargb4444  v )

inlineexplicit

Definition at line 1722 of file qdrawhelper_p.h.

{
    data = v.data & 0x0fff;
}

Functions

alpha() [1/2]

quint8 qrgb444::alpha ( ) const

inline

Definition at line 1640 of file qdrawhelper_p.h.

{ return 0xff; }

alpha() [2/2]

Q_STATIC_INLINE_FUNCTION quint8 qrgb444::alpha ( quint8  a )

inline

Definition at line 1642 of file qdrawhelper_p.h.

{ return (a + 1) >> 4; }

byte_mul()

qrgb444 qrgb444::byte_mul ( quint8  a ) const

inline

Definition at line 1752 of file qdrawhelper_p.h.

{
    quint16 t = (((data & 0xf0f0) * a) >> 4) & 0xf0f0;
    t |= (((data & 0x0f0f) * a) >> 4) & 0x0f0f;

    qrgb444 result;
    result.data = t;
    return result;
}

hasAlpha()

Q_STATIC_INLINE_FUNCTION bool qrgb444::hasAlpha ( )

inline

Definition at line 1630 of file qdrawhelper_p.h.

{ return false; }

ialpha()

Q_STATIC_INLINE_FUNCTION quint8 qrgb444::ialpha ( quint8  a )

inline

Definition at line 1643 of file qdrawhelper_p.h.

{ return 0x10 - alpha(a); }

operator quint32()

qrgb444::operator quint32 ( ) const

inline

Definition at line 1727 of file qdrawhelper_p.h.

{
    const int r = (data & 0x0f00);
    const int g = (data & 0x00f0);
    const int b = (data & 0x000f);
    const int tr = (r >> 4) | (r >> 8);
    const int tg = g | (g >> 4);
    const int tb = (b << 4) | b;

    return qRgb(tr, tg, tb);
}

operator quint8()

qrgb444::operator quint8 ( ) const

inline

Definition at line 1739 of file qdrawhelper_p.h.

{
    // hw: optimize!
    return qt_colorConvert<quint8, quint32>(operator quint32(), 0);
}

operator!=()

bool qrgb444::operator!= ( const qrgb444 &  v ) const

inline

Definition at line 1647 of file qdrawhelper_p.h.

{ return data != v.data; }

operator+()

qrgb444 qrgb444::operator+ ( qrgb444  v ) const

inline

Definition at line 1745 of file qdrawhelper_p.h.

{
    qrgb444 t;
    t.data = data + v.data;
    return t;
}

operator==()

bool qrgb444::operator== ( const qrgb444 &  v ) const

inline

Definition at line 1646 of file qdrawhelper_p.h.

{ return data == v.data; }

rawValue()

quint16 qrgb444::rawValue ( ) const

inline

Definition at line 1649 of file qdrawhelper_p.h.

Referenced by interpolate_pixel().

{ return data; }

truncedAlpha()

qrgb444 qrgb444::truncedAlpha ( )

inline

Definition at line 1641 of file qdrawhelper_p.h.

{ return *this; }

Friends and Related Functions

qargb4444

friend class qargb4444

friend

Definition at line 1652 of file qdrawhelper_p.h.

Properties

data

quint16 qrgb444::data

private

Definition at line 1653 of file qdrawhelper_p.h.

Referenced by byte_mul(), operator!=(), operator+(), operator==(), and qargb4444::qargb4444().

---

The documentation for this class was generated from the following file:

• /src/gui/painting/qdrawhelper_p.h