Qt: qtbase/src/gui/painting/qimagescale.cpp File Reference

Qt 6.x

The Qt SDK

Loading...

Searching...

No Matches

#include <private/qimagescale_p.h>
#include <private/qdrawhelper_p.h>
#include <private/qimage_p.h>
#include "qimage.h"
#include "qcolor.h"
#include "qrgba64_p.h"
#include "qrgbafloat.h"

Include dependency graph for qimagescale.cpp:

Go to the source code of this file.

Namespaces
namespace	QImageScale

Functions
static const unsigned int **	QImageScale::qimageCalcYPoints (const unsigned int *src, int sw, int sh, int dh)

static int *	QImageScale::qimageCalcXPoints (int sw, int dw)

static int *	QImageScale::qimageCalcApoints (int s, int d, int up)

static QImageScaleInfo *	QImageScale::qimageFreeScaleInfo (QImageScaleInfo *isi)

static QImageScaleInfo *	QImageScale::qimageCalcScaleInfo (const QImage &img, int sw, int sh, int dw, int dh, char aa)

static void	qt_qimageScaleAARGBA_up_x_down_y (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

static void	qt_qimageScaleAARGBA_down_x_up_y (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

static void	qt_qimageScaleAARGBA_down_xy (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

template<typename T >
static void	multithread_pixels_function (QImageScaleInfo *isi, int dh, const T &scaleSection)

static void	qt_qimageScaleAARGBA_up_xy (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

static void	qt_qimageScaleAARGBA (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

static void	qt_qimageScaleAARGBA_helper (const unsigned int *pix, int xyap, int Cxy, int step, int &r, int &g, int &b, int &a)

static void	qt_qimageScaleAARGB_up_x_down_y (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

static void	qt_qimageScaleAARGB_down_x_up_y (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

static void	qt_qimageScaleAARGB_down_xy (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

static void	qt_qimageScaleAARGB (QImageScaleInfo isi, unsigned int dest, int dw, int dh, int dow, int sow)

static void	qt_qimageScaleAARGB_helper (const unsigned int *pix, int xyap, int Cxy, int step, int &r, int &g, int &b)

QImage	qSmoothScaleImage (const QImage &src, int dw, int dh)

Function Documentation

◆ multithread_pixels_function()

template<typename T >

static void multithread_pixels_function	(	QImageScaleInfo *	isi,
		int	dh,
		const T &	scaleSection
	)

inlinestatic

Definition at line 272 of file qimagescale.cpp.

References QSemaphore::acquire(), QThreadPool::contains(), QThread::currentThread(), i, Q_UNUSED, QThreadPoolPrivate::qtGuiInstance(), QSemaphore::release(), QImageScale::QImageScaleInfo::sh, QThreadPool::start(), and QImageScale::QImageScaleInfo::sw.

Referenced by qt_qimageScaleAARGB_down_x_up_y(), qt_qimageScaleAARGB_down_xy(), qt_qimageScaleAARGB_up_x_down_y(), qt_qimageScaleAARGBA_down_x_up_y(), qt_qimageScaleAARGBA_down_xy(), qt_qimageScaleAARGBA_up_x_down_y(), and qt_qimageScaleAARGBA_up_xy().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qSmoothScaleImage()

QImage qSmoothScaleImage	(	const QImage &	src,
		int	dw,
		int	dh
	)

Definition at line 1179 of file qimagescale.cpp.

References QImageScale::qimageCalcScaleInfo(), QImageScale::qimageFreeScaleInfo(), qt_fpColorPrecision(), qt_qimageScaleAARGB(), qt_qimageScaleAARGBA(), and qWarning.

Referenced by QImage::smoothScaled().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGB()

static void qt_qimageScaleAARGB	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 984 of file qimagescale.cpp.

References qCpuHasFeature, qt_qimageScaleAARGB_down_x_up_y(), qt_qimageScaleAARGB_down_xy(), qt_qimageScaleAARGB_up_x_down_y(), qt_qimageScaleAARGBA_up_xy(), and QImageScale::QImageScaleInfo::xup_yup.

Referenced by qSmoothScaleImage().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGB_down_x_up_y()

static void qt_qimageScaleAARGB_down_x_up_y	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 1090 of file qimagescale.cpp.

References multithread_pixels_function(), qRgb(), qt_qimageScaleAARGB_helper(), QImageScale::QImageScaleInfo::xapoints, QImageScale::QImageScaleInfo::xpoints, QImageScale::QImageScaleInfo::yapoints, and QImageScale::QImageScaleInfo::ypoints.

Referenced by qt_qimageScaleAARGB().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGB_down_xy()

static void qt_qimageScaleAARGB_down_xy	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 1129 of file qimagescale.cpp.

References j, multithread_pixels_function(), qRgb(), qt_qimageScaleAARGB_helper(), rx(), QImageScale::QImageScaleInfo::xapoints, QImageScale::QImageScaleInfo::xpoints, QImageScale::QImageScaleInfo::yapoints, and QImageScale::QImageScaleInfo::ypoints.

Referenced by qt_qimageScaleAARGB().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGB_helper()

static void qt_qimageScaleAARGB_helper	(	const unsigned int *	pix,
		int	xyap,
		int	Cxy,
		int	step,
		int &	r,
		int &	g,
		int &	b
	)

inlinestatic

Definition at line 1033 of file qimagescale.cpp.

References j, pix, qBlue(), qGreen(), and qRed().

Referenced by qt_qimageScaleAARGB_down_x_up_y(), qt_qimageScaleAARGB_down_xy(), and qt_qimageScaleAARGB_up_x_down_y().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGB_up_x_down_y()

static void qt_qimageScaleAARGB_up_x_down_y	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 1051 of file qimagescale.cpp.

References multithread_pixels_function(), qRgb(), qt_qimageScaleAARGB_helper(), QImageScale::QImageScaleInfo::xapoints, QImageScale::QImageScaleInfo::xpoints, QImageScale::QImageScaleInfo::yapoints, and QImageScale::QImageScaleInfo::ypoints.

Referenced by qt_qimageScaleAARGB().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGBA()

static void qt_qimageScaleAARGBA	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 340 of file qimagescale.cpp.

References qCpuHasFeature, qt_qimageScaleAARGBA_down_x_up_y(), qt_qimageScaleAARGBA_down_xy(), qt_qimageScaleAARGBA_up_x_down_y(), qt_qimageScaleAARGBA_up_xy(), and QImageScale::QImageScaleInfo::xup_yup.

Referenced by qSmoothScaleImage().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGBA_down_x_up_y()

static void qt_qimageScaleAARGBA_down_x_up_y	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 450 of file qimagescale.cpp.

References multithread_pixels_function(), qRgba(), qt_qimageScaleAARGBA_helper(), QImageScale::QImageScaleInfo::xapoints, QImageScale::QImageScaleInfo::xpoints, QImageScale::QImageScaleInfo::yapoints, and QImageScale::QImageScaleInfo::ypoints.

Referenced by qt_qimageScaleAARGBA().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGBA_down_xy()

static void qt_qimageScaleAARGBA_down_xy	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 492 of file qimagescale.cpp.

References j, multithread_pixels_function(), qRgba(), qt_qimageScaleAARGBA_helper(), rx(), QImageScale::QImageScaleInfo::xapoints, QImageScale::QImageScaleInfo::xpoints, QImageScale::QImageScaleInfo::yapoints, and QImageScale::QImageScaleInfo::ypoints.

Referenced by qt_qimageScaleAARGBA().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGBA_helper()

static void qt_qimageScaleAARGBA_helper	(	const unsigned int *	pix,
		int	xyap,
		int	Cxy,
		int	step,
		int &	r,
		int &	g,
		int &	b,
		int &	a
	)

inlinestatic

Definition at line 388 of file qimagescale.cpp.

References j, pix, qAlpha(), qBlue(), qGreen(), and qRed().

Referenced by qt_qimageScaleAARGBA_down_x_up_y(), qt_qimageScaleAARGBA_down_xy(), and qt_qimageScaleAARGBA_up_x_down_y().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGBA_up_x_down_y()

static void qt_qimageScaleAARGBA_up_x_down_y	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 409 of file qimagescale.cpp.

References multithread_pixels_function(), qRgba(), qt_qimageScaleAARGBA_helper(), QImageScale::QImageScaleInfo::xapoints, QImageScale::QImageScaleInfo::xpoints, QImageScale::QImageScaleInfo::yapoints, and QImageScale::QImageScaleInfo::ypoints.

Referenced by qt_qimageScaleAARGBA().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ qt_qimageScaleAARGBA_up_xy()

static void qt_qimageScaleAARGBA_up_xy	(	QImageScaleInfo *	isi,
		unsigned int *	dest,
		int	dw,
		int	dh,
		int	dow,
		int	sow
	)

static

Definition at line 298 of file qimagescale.cpp.

References interpolate_4_pixels(), INTERPOLATE_PIXEL_256(), multithread_pixels_function(), pix, QImageScale::QImageScaleInfo::xapoints, QImageScale::QImageScaleInfo::xpoints, QImageScale::QImageScaleInfo::yapoints, and QImageScale::QImageScaleInfo::ypoints.

Referenced by qt_qimageScaleAARGB(), and qt_qimageScaleAARGBA().

Here is the call graph for this function:

Here is the caller graph for this function:

qtbase
src
gui
painting
qimagescale.cpp
Generated by 1.9.7