qrgb555 Class Reference

#include <qdrawhelper_p.h>

Public Functions
quint8	alpha () const
Q_STATIC_INLINE_FUNCTION quint8	alpha (quint8 a)
qrgb555	byte_mul (quint8 a) const
Q_STATIC_INLINE_FUNCTION bool	hasAlpha ()
Q_STATIC_INLINE_FUNCTION quint8	ialpha (quint8 a)
	operator quint16 () const
	operator quint32 () const
bool	operator!= (const qrgb555 &v) const
qrgb555	operator+ (qrgb555 v) const
bool	operator== (const qrgb555 &v) const
	qrgb555 (int v=0)
	qrgb555 (quint32p v)
	qrgb555 (quint32 v)
	qrgb555 (quint16 v)
	qrgb555 (const qargb8555 &v)
quint16	rawValue () const
qrgb555	truncedAlpha ()

Properties
quint16	data

Friends
class	qargb8555
class	qbgr555

Detailed Description

Definition at line 1011 of file qdrawhelper_p.h.

Constructors and Destructors

qrgb555() [1/5]

qrgb555::qrgb555 ( int  v = 0 )

inline

Definition at line 1016 of file qdrawhelper_p.h.

: data(v) {}

qrgb555() [2/5]

qrgb555::qrgb555 ( quint32p  v )

inlineexplicit

Definition at line 1018 of file qdrawhelper_p.h.

Referenced by qrgb555().

{ *this = qrgb555(quint32(v)); }

qrgb555() [3/5]

qrgb555::qrgb555 ( quint32  v )

inlineexplicit

Definition at line 1020 of file qdrawhelper_p.h.

    {
        const int r = qRed(v) << 7;
        const int g = qGreen(v) << 2;
        const int b = qBlue(v) >> 3;

        data = (r & 0x7c00) | (g & 0x03e0) | (b & 0x001f);
    }

qrgb555() [4/5]

qrgb555::qrgb555 ( quint16  v )

inlineexplicit

Definition at line 1029 of file qdrawhelper_p.h.

    {
        data = ((v >> 1) & (0x7c00 | 0x03e0)) |
               (v & 0x001f);
    }

qrgb555() [5/5]

qrgb555::qrgb555 ( const qargb8555 &  v )

inlineexplicit

Definition at line 1078 of file qdrawhelper_p.h.

{
    data = (v.data[2] << 8) | v.data[1];
}

Functions

alpha() [1/2]

quint8 qrgb555::alpha ( ) const

inline

Definition at line 1061 of file qdrawhelper_p.h.

{ return 0xff; }

alpha() [2/2]

Q_STATIC_INLINE_FUNCTION quint8 qrgb555::alpha ( quint8  a )

inline

Definition at line 1063 of file qdrawhelper_p.h.

{ return (a + 1) >> 3; }

byte_mul()

qrgb555 qrgb555::byte_mul ( quint8  a ) const

inline

Definition at line 1090 of file qdrawhelper_p.h.

{
    quint16 t = (((data & 0x3e0) * a) >> 5) & 0x03e0;
    t |= (((data & 0x7c1f) * a) >> 5) & 0x7c1f;

    qrgb555 result;
    result.data = t;
    return result;
}

hasAlpha()

Q_STATIC_INLINE_FUNCTION bool qrgb555::hasAlpha ( )

inline

Definition at line 1014 of file qdrawhelper_p.h.

{ return false; }

ialpha()

Q_STATIC_INLINE_FUNCTION quint8 qrgb555::ialpha ( quint8  a )

inline

Definition at line 1064 of file qdrawhelper_p.h.

{ return 0x20 - alpha(a); }

operator quint16()

qrgb555::operator quint16 ( ) const

inline

Definition at line 1049 of file qdrawhelper_p.h.

    {
        const int r = ((data & 0x7c00) << 1) & 0xf800;
        const int g = (((data & 0x03e0) << 1) | ((data >> 4) & 0x0020)) & 0x07e0;
        const int b = (data & 0x001f);

        return r | g | b;
    }

operator quint32()

qrgb555::operator quint32 ( ) const

inline

Definition at line 1037 of file qdrawhelper_p.h.

    {
        const int r = (data & 0x7c00);
        const int g = (data & 0x03e0);
        const int b = (data & 0x001f);
        const int tr = (r >> 7) | (r >> 12);
        const int tg = (g >> 2) | (g >> 7);
        const int tb = (b << 3) | (b >> 2);

        return qRgb(tr, tg, tb);
    }

operator!=()

bool qrgb555::operator!= ( const qrgb555 &  v ) const

inline

Definition at line 1067 of file qdrawhelper_p.h.

{ return v.data != data; }

operator+()

qrgb555 qrgb555::operator+ ( qrgb555  v ) const

inline

Definition at line 1083 of file qdrawhelper_p.h.

{
    qrgb555 t;
    t.data = data + v.data;
    return t;
}

operator==()

bool qrgb555::operator== ( const qrgb555 &  v ) const

inline

Definition at line 1066 of file qdrawhelper_p.h.

{ return v.data == data; }

rawValue()

quint16 qrgb555::rawValue ( ) const

inline

Definition at line 1069 of file qdrawhelper_p.h.

Referenced by interpolate_pixel().

{ return data; }

truncedAlpha()

qrgb555 qrgb555::truncedAlpha ( )

inline

Definition at line 1062 of file qdrawhelper_p.h.

{ return *this; }

Friends and Related Functions

qargb8555

friend class qargb8555

friend

Definition at line 1072 of file qdrawhelper_p.h.

qbgr555

friend class qbgr555

friend

Definition at line 1073 of file qdrawhelper_p.h.

Properties

data

quint16 qrgb555::data

private

Definition at line 1074 of file qdrawhelper_p.h.

Referenced by byte_mul(), operator!=(), operator+(), operator==(), qargb8555::qargb8555(), and qbgr555::qbgr555().

---

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

• /src/gui/painting/qdrawhelper_p.h