qimageeffects.cpp File Reference

(48124977865b76212ef719b19ff37d6bd82ad82d)

#include "qmath.h"
#include "qdrawhelper_p.h"
#include "qmemrotate_p.h"
#include "qpainter.h"
#include <memory>

Include dependency graph for qimageeffects.cpp:

Go to the source code of this file.

Namespaces
namespace	QT_BEGIN_NAMESPACE
	Combined button and popup list for selecting options.

Macros
#define	Z_MASK   (0xff << zprec)
#define	ZA_MASK   (0xff << (zprec + aprec))
#define	AVG(a, b)
#define	AVG16(a, b)

Functions
template<int shift>
int	QT_BEGIN_NAMESPACE::qt_static_shift (int value)
template<int aprec, int zprec>
void	QT_BEGIN_NAMESPACE::qt_blurinner (uchar *bptr, int &zR, int &zG, int &zB, int &zA, int alpha)
template<int aprec, int zprec>
void	QT_BEGIN_NAMESPACE::qt_blurinner_alphaOnly (uchar *bptr, int &z, int alpha)
template<int aprec, int zprec, bool alphaOnly>
void	QT_BEGIN_NAMESPACE::qt_blurrow (QImage &im, int line, int alpha)
template<int aprec, int zprec, bool alphaOnly>
void	QT_BEGIN_NAMESPACE::expblur (QImage &img, qreal radius, bool improvedQuality=false, int transposed=0)
QImage	qt_halfScaled (const QImage &source)
Q_GUI_EXPORT void	qt_blurImage (QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed=0)
Q_GUI_EXPORT void	qt_blurImage (QImage &blurImage, qreal radius, bool quality, int transposed=0)

Variables
const int	QT_BEGIN_NAMESPACE::alphaIndex = (QSysInfo::ByteOrder == QSysInfo::BigEndian ? 0 : 3)

Macro Definition Documentation

AVG

#define AVG	(		a,
			b )

Value:

( ((((a)^(b)) & 0xfefefefeUL) >> 1) + ((a)&(b)) )

Definition at line 195 of file qimageeffects.cpp.

AVG16

#define AVG16	(		a,
			b )

Value:

( ((((a)^(b)) & 0xf7deUL) >> 1) + ((a)&(b)) )

Definition at line 196 of file qimageeffects.cpp.

Z_MASK

#define Z_MASK   (0xff << zprec)

ZA_MASK

#define ZA_MASK   (0xff << (zprec + aprec))

Function Documentation

qt_blurImage() [1/2]

Q_GUI_EXPORT void qt_blurImage	(	QImage &	blurImage,
		qreal	radius,
		bool	quality,
		int	transposed = 0 )

Definition at line 319 of file qimageeffects.cpp.

qt_blurImage() [2/2]

Q_GUI_EXPORT void qt_blurImage	(	QPainter *	p,
		QImage &	blurImage,
		qreal	radius,
		bool	quality,
		bool	alphaOnly,
		int	transposed = 0 )

Definition at line 292 of file qimageeffects.cpp.

qt_halfScaled()

QImage qt_halfScaled

(

const QImage &

source

)

Definition at line 198 of file qimageeffects.cpp.