qrgb565 Class Reference

#include <qdrawhelper_p.h>

Public Functions
quint8	alpha () const
Q_STATIC_INLINE_FUNCTION quint8	alpha (quint8 a)
qrgb565	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
qrgb565	operator+ (qrgb565 v) const
bool	operator== (const qrgb565 &v) const
	qrgb565 (int v=0)
	qrgb565 (quint32p v)
	qrgb565 (quint32 v)
	qrgb565 (const qargb8565 &v)
quint16	rawValue () const
qrgb565	truncedAlpha ()

Properties
quint16	data

Friends
class	qargb8565

Detailed Description

Definition at line 785 of file qdrawhelper_p.h.

Constructors and Destructors

qrgb565() [1/4]

qrgb565::qrgb565 ( int  v = 0 )

inline

Definition at line 790 of file qdrawhelper_p.h.

: data(v) {}

qrgb565() [2/4]

qrgb565::qrgb565 ( quint32p  v )

inlineexplicit

Definition at line 905 of file qdrawhelper_p.h.

{
    *this = qrgb565(quint32(v));
}

qrgb565() [3/4]

qrgb565::qrgb565 ( quint32  v )

inlineexplicit

Definition at line 910 of file qdrawhelper_p.h.

{
    const int r = qRed(v) << 8;
    const int g = qGreen(v) << 3;
    const int b = qBlue(v) >> 3;

    data = (r & 0xf800) | (g & 0x07e0)| (b & 0x001f);
}

qrgb565() [4/4]

qrgb565::qrgb565 ( const qargb8565 &  v )

inlineexplicit

Definition at line 919 of file qdrawhelper_p.h.

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

Functions

alpha() [1/2]

quint8 qrgb565::alpha ( ) const

inline

Definition at line 801 of file qdrawhelper_p.h.

{ return 0xff; }

alpha() [2/2]

Q_STATIC_INLINE_FUNCTION quint8 qrgb565::alpha ( quint8  a )

inline

Definition at line 803 of file qdrawhelper_p.h.

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

byte_mul()

qrgb565 qrgb565::byte_mul ( quint8  a ) const

inline

Definition at line 947 of file qdrawhelper_p.h.

{
    qrgb565 result;
    result.data = ((((data & 0x07e0) >> 5) * a) & 0x07e0) |
                  ((((data & 0xf81f) * a) >> 5) & 0xf81f);
    return result;
}

hasAlpha()

Q_STATIC_INLINE_FUNCTION bool qrgb565::hasAlpha ( )

inline

Definition at line 788 of file qdrawhelper_p.h.

{ return false; }

ialpha()

Q_STATIC_INLINE_FUNCTION quint8 qrgb565::ialpha ( quint8  a )

inline

Definition at line 804 of file qdrawhelper_p.h.

{ return 0x20 - alpha(a); }

operator quint16()

qrgb565::operator quint16 ( ) const

inline

Definition at line 935 of file qdrawhelper_p.h.

{
    return data;
}

operator quint32()

qrgb565::operator quint32 ( ) const

inline

Definition at line 924 of file qdrawhelper_p.h.

{
    const int r = (data & 0xf800);
    const int g = (data & 0x07e0);
    const int b = (data & 0x001f);
    const int tr = (r >> 8) | (r >> 13);
    const int tg = (g >> 3) | (g >> 9);
    const int tb = (b << 3) | (b >> 2);
    return qRgb(tr, tg, tb);
}

operator+()

qrgb565 qrgb565::operator+ ( qrgb565  v ) const

inline

Definition at line 940 of file qdrawhelper_p.h.

{
    qrgb565 t;
    t.data = data + v.data;
    return t;
}

operator==()

bool qrgb565::operator== ( const qrgb565 &  v ) const

inline

Definition at line 955 of file qdrawhelper_p.h.

{
    return data == v.data;
}

rawValue()

quint16 qrgb565::rawValue ( ) const

inline

Definition at line 809 of file qdrawhelper_p.h.

Referenced by interpolate_pixel().

{ return data; }

truncedAlpha()

qrgb565 qrgb565::truncedAlpha ( )

inline

Definition at line 802 of file qdrawhelper_p.h.

{ return *this; }

Friends and Related Functions

qargb8565

friend class qargb8565

friend

Definition at line 812 of file qdrawhelper_p.h.

Properties

data

quint16 qrgb565::data

private

Definition at line 814 of file qdrawhelper_p.h.

Referenced by byte_mul(), operator+(), operator==(), and qargb8565::qargb8565().

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

• /src/gui/painting/qdrawhelper_p.h