qcolormap.cpp File Reference

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#include "qcolormap.h"
#include "qcolor.h"
#include "qpaintdevice.h"
#include "qscreen.h"
#include "qguiapplication.h"

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Classes
class	QColormapPrivate

Macros
#define	QT_QWS_DEPTH16_RGB   565

Functions
ushort	qt_convRgbTo16 (QRgb c)
QRgb	qt_conv16ToRgb (ushort c)

Variables
static QColormapPrivate *	screenMap = nullptr
static const int	qt_rbits = (QT_QWS_DEPTH16_RGB/100)
static const int	qt_gbits = (QT_QWS_DEPTH16_RGB/10%10)
static const int	qt_bbits = (QT_QWS_DEPTH16_RGB%10)
static const int	qt_red_shift = qt_bbits+qt_gbits-(8-qt_rbits)
static const int	qt_green_shift = qt_bbits-(8-qt_gbits)
static const int	qt_neg_blue_shift = 8-qt_bbits
static const int	qt_blue_mask = (1<<qt_bbits)-1
static const int	qt_green_mask = (1<<(qt_gbits+qt_bbits))-(1<<qt_bbits)
static const int	qt_red_mask = (1<<(qt_rbits+qt_gbits+qt_bbits))-(1<<(qt_gbits+qt_bbits))
static const int	qt_red_rounding_shift = qt_red_shift + qt_rbits
static const int	qt_green_rounding_shift = qt_green_shift + qt_gbits
static const int	qt_blue_rounding_shift = qt_bbits - qt_neg_blue_shift

Macro Definition Documentation

QT_QWS_DEPTH16_RGB

#define QT_QWS_DEPTH16_RGB   565

Definition at line 86 of file qcolormap.cpp.

Function Documentation

qt_conv16ToRgb()

QRgb qt_conv16ToRgb ( ushort c )

inline

Definition at line 111 of file qcolormap.cpp.

References qRgb(), qt_blue_mask, qt_blue_rounding_shift, qt_green_mask, qt_green_rounding_shift, qt_green_shift, qt_red_mask, qt_red_rounding_shift, qt_red_shift, and tr.

Referenced by QColormap::colorAt().

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qt_convRgbTo16()

ushort qt_convRgbTo16 ( QRgb c )

inline

Definition at line 102 of file qcolormap.cpp.

References qBlue(), qGreen(), qRed(), qt_blue_mask, qt_green_mask, qt_green_shift, qt_neg_blue_shift, qt_red_mask, qt_red_shift, and tr.

Referenced by QColormap::pixel().

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Variable Documentation

qt_bbits

const int qt_bbits = (QT_QWS_DEPTH16_RGB%10)

static

Definition at line 90 of file qcolormap.cpp.

qt_blue_mask

const int qt_blue_mask = (1<<qt_bbits)-1

static

Definition at line 94 of file qcolormap.cpp.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_blue_rounding_shift

const int qt_blue_rounding_shift = qt_bbits - qt_neg_blue_shift

static

Definition at line 100 of file qcolormap.cpp.

Referenced by qt_conv16ToRgb().

qt_gbits

const int qt_gbits = (QT_QWS_DEPTH16_RGB/10%10)

static

Definition at line 89 of file qcolormap.cpp.

qt_green_mask

const int qt_green_mask = (1<<(qt_gbits+qt_bbits))-(1<<qt_bbits)

static

Definition at line 95 of file qcolormap.cpp.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_green_rounding_shift

const int qt_green_rounding_shift = qt_green_shift + qt_gbits

static

Definition at line 99 of file qcolormap.cpp.

Referenced by qt_conv16ToRgb().

qt_green_shift

const int qt_green_shift = qt_bbits-(8-qt_gbits)

static

Definition at line 92 of file qcolormap.cpp.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_neg_blue_shift

const int qt_neg_blue_shift = 8-qt_bbits

static

Definition at line 93 of file qcolormap.cpp.

Referenced by qt_convRgbTo16().

qt_rbits

const int qt_rbits = (QT_QWS_DEPTH16_RGB/100)

static

Definition at line 88 of file qcolormap.cpp.

qt_red_mask

const int qt_red_mask = (1<<(qt_rbits+qt_gbits+qt_bbits))-(1<<(qt_gbits+qt_bbits))

static

Definition at line 96 of file qcolormap.cpp.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

qt_red_rounding_shift

const int qt_red_rounding_shift = qt_red_shift + qt_rbits

static

Definition at line 98 of file qcolormap.cpp.

Referenced by qt_conv16ToRgb().

qt_red_shift

const int qt_red_shift = qt_bbits+qt_gbits-(8-qt_rbits)

static

Definition at line 91 of file qcolormap.cpp.

Referenced by qt_conv16ToRgb(), and qt_convRgbTo16().

screenMap

QColormapPrivate* screenMap = nullptr

static

Definition at line 26 of file qcolormap.cpp.

Referenced by QColormap::cleanup(), and QColormap::initialize().