#include <qglobal.h>
#include <QDebug>
#include "qpainter.h"
#include "qpixmap.h"
#include "qpixmapfilter_p.h"
#include "qvarlengtharray.h"
#include "private/qguiapplication_p.h"
#include "private/qpaintengineex_p.h"
#include "private/qpaintengine_raster_p.h"
#include "qmath.h"
#include "private/qmath_p.h"
#include "private/qmemrotate_p.h"
#include "private/qdrawhelper_p.h"
#include <memory>
#include "moc_qpixmapfilter_p.cpp"

Include dependency graph for qpixmapfilter.cpp:

Classes
class	QPixmapFilterPrivate

class	QPixmapConvolutionFilterPrivate

class	QPixmapBlurFilterPrivate

class	QPixmapColorizeFilterPrivate

class	QPixmapDropShadowFilterPrivate

Macros
#define	Z_MASK (0xff << zprec)

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

#define	AVG(a, b) ( ((((a)^(b)) & 0xfefefefeUL) >> 1) + ((a)&(b)) )

#define	AVG16(a, b) ( ((((a)^(b)) & 0xf7deUL) >> 1) + ((a)&(b)) )

Functions
static void	convolute (QImage destImage, const QPointF &pos, const QImage &srcImage, const QRectF &srcRect, QPainter::CompositionMode mode, qreal kernel, int kernelWidth, int kernelHeight)

template<int shift>
int	qt_static_shift (int value)

template<int aprec, int zprec>
void	qt_blurinner (uchar *bptr, int &zR, int &zG, int &zB, int &zA, int alpha)

template<int aprec, int zprec>
void	qt_blurinner_alphaOnly (uchar *bptr, int &z, int alpha)

template<int aprec, int zprec, bool alphaOnly>
void	qt_blurrow (QImage &im, int line, int alpha)

template<int aprec, int zprec, bool alphaOnly>
void	expblur (QImage &img, qreal radius, bool improvedQuality=false, int transposed=0)

Q_WIDGETS_EXPORT QImage	qt_halfScaled (const QImage &source)

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

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

Q_GUI_EXPORT bool	qt_scaleForTransform (const QTransform &transform, qreal *scale)

static void	grayscale (const QImage &image, QImage &dest, const QRect &rect=QRect())

Variables
const qreal	radiusScale = qreal(2.5)

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

Macro Definition Documentation

◆ AVG

#define AVG	(	a,
		b
	)	( ((((a)^(b)) & 0xfefefefeUL) >> 1) + ((a)&(b)) )

Definition at line 735 of file qpixmapfilter.cpp.

◆ AVG16

#define AVG16	(	a,
		b
	)	( ((((a)^(b)) & 0xf7deUL) >> 1) + ((a)&(b)) )

Definition at line 736 of file qpixmapfilter.cpp.

◆ Z_MASK

#define Z_MASK (0xff << zprec)

◆ ZA_MASK

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

Function Documentation

◆ convolute()

static void convolute	(	QImage *	destImage,
		const QPointF &	pos,
		const QImage &	srcImage,
		const QRectF &	srcRect,
		QPainter::CompositionMode	mode,
		qreal *	kernel,
		int	kernelWidth,
		int	kernelHeight
	)

static

Definition at line 275 of file qpixmapfilter.cpp.

References QRectF::adjusted(), QRect::bottom(), QImage::bytesPerLine(), cb, QPainter::CompositionMode_Source, QImage::convertToFormat(), QImage::format(), QImage::Format_ARGB32_Premultiplied, QImage::height(), i, QRectF::isNull(), kernel, QRect::left(), QRectF::moveTo(), output, pix, pos, qBound(), QImage::rect(), rect, QRect::right(), QImage::scanLine(), QRectF::toAlignedRect(), QRect::top(), QRect::topLeft(), QImage::width(), QPoint::x(), and QPoint::y().

Referenced by QPixmapConvolutionFilter::draw().

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◆ expblur()

template<int aprec, int zprec, bool alphaOnly>

void expblur	(	QImage &	img,
		qreal	radius,
		bool	improvedQuality = `false`,
		int	transposed = `0`
	)

Definition at line 660 of file qpixmapfilter.cpp.

References QImage::bits(), QImage::bytesPerLine(), e, QImage::Format_ARGB32_Premultiplied, QImage::Format_Grayscale8, QImage::Format_Indexed8, QImage::Format_RGB32, QImage::height(), i, Q_ASSERT, qPow(), qRound(), QImage::setDevicePixelRatio(), and QImage::width().

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◆ grayscale()

static void grayscale	(	const QImage &	image,
		QImage &	dest,
		const QRect &	rect = `QRect()`
	)

static

Definition at line 910 of file qpixmapfilter.cpp.

References QImage::bits(), QRect::bottom(), QImage::height(), i, QRect::left(), QRect::moveTo(), qAlpha(), qGray(), qRgba(), QImage::rect(), rect, QRect::right(), QImage::scanLine(), QImage::size(), QRect::top(), and QImage::width().

Referenced by QPixmapColorizeFilter::draw().

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◆ qt_blurImage() [1/2]

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

Definition at line 856 of file qpixmapfilter.cpp.

References QImage::format(), QImage::Format_Grayscale8, and QImage::Format_Indexed8.

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◆ qt_blurImage() [2/2]

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

Definition at line 829 of file qpixmapfilter.cpp.

References QImage::convertToFormat(), QImage::deviceIndependentSize(), QImage::format(), QImage::Format_ARGB32_Premultiplied, QImage::Format_RGB32, QImage::height(), qt_halfScaled(), QPainter::SmoothPixmapTransform, QSizeF::toSize(), and QImage::width().

Referenced by QPixmapDropShadowFilter::draw(), and QPixmapBlurFilter::draw().

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◆ qt_blurinner()

template<int aprec, int zprec>

void qt_blurinner	(	uchar *	bptr,
		int &	zR,
		int &	zG,
		int &	zB,
		int &	zA,
		int	alpha
	)

inline

Definition at line 570 of file qpixmapfilter.cpp.

References QRgb, qt_static_shift(), Z_MASK, and ZA_MASK.

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◆ qt_blurinner_alphaOnly()

template<int aprec, int zprec>

void qt_blurinner_alphaOnly	(	uchar *	bptr,
		int &	z,
		int	alpha
	)

inline

Definition at line 603 of file qpixmapfilter.cpp.

◆ qt_blurrow()

template<int aprec, int zprec, bool alphaOnly>

void qt_blurrow	(	QImage &	im,
		int	line,
		int	alpha
	)

inline

Definition at line 612 of file qpixmapfilter.cpp.

References alphaIndex, QImage::depth(), QImage::format(), QImage::Format_Indexed8, line, QImage::scanLine(), and QImage::width().

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◆ qt_halfScaled()

Q_WIDGETS_EXPORT QImage qt_halfScaled ( const QImage & source )

Definition at line 738 of file qpixmapfilter.cpp.

References AVG, AVG16, QImage::bits(), QImage::bytesPerLine(), QImage::convertToFormat(), QImage::format(), QImage::Format_ARGB32_Premultiplied, QImage::Format_ARGB8565_Premultiplied, QImage::Format_Grayscale8, QImage::Format_Indexed8, QImage::Format_RGB32, QImage::height(), p1, p2, QImage::setDevicePixelRatio(), and QImage::width().

Referenced by qt_blurImage().

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◆ qt_scaleForTransform()

Q_GUI_EXPORT bool qt_scaleForTransform	(	const QTransform &	transform,
		qreal *	scale
	)

Definition at line 2301 of file qtransform.cpp.

Referenced by cubicTo_clipped().

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◆ qt_static_shift()

template<int shift>

int qt_static_shift ( int value )

inline

Definition at line 559 of file qpixmapfilter.cpp.

References shift().

Referenced by qt_blurinner().

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Variable Documentation

◆ alphaIndex

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

Definition at line 600 of file qpixmapfilter.cpp.

Referenced by qt_blurrow().

◆ radiusScale

const qreal radiusScale = qreal(2.5)

Definition at line 546 of file qpixmapfilter.cpp.

Referenced by QPixmapBlurFilter::boundingRectFor(), QPixmapBlurFilter::draw(), QPhysXCharacterController::init(), and QPhysXCharacterController::sync().

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ AVG

◆ AVG16

◆ Z_MASK

◆ ZA_MASK

Function Documentation

◆ convolute()

◆ expblur()

◆ grayscale()

◆ qt_blurImage() [1/2]

◆ qt_blurImage() [2/2]

◆ qt_blurinner()

◆ qt_blurinner_alphaOnly()

◆ qt_blurrow()

◆ qt_halfScaled()

◆ qt_scaleForTransform()

◆ qt_static_shift()

Variable Documentation

◆ alphaIndex

◆ radiusScale