The DdtMagnificationWidget class Class for the Magnification Widget that can be used to display a magnified portion of the image around the point currently under the mouse pointer inside the image widget. More...

#include <ddtMagnificationWidget.hpp>

Inheritance diagram for DdtMagnificationWidget:

Signals
void	SetMagnificationFactor (QString factor)

Public Member Functions
virtual	~DdtMagnificationWidget ()=default

Public Member Functions inherited from DdtWidget
virtual	~DdtWidget ()=default

	DdtWidget (QWidget *parent=nullptr)
	DdtWidget.

QWidget *	AddParentWidget (QLayout *child_layout)
	AddParentWidget This will add the given layout to a QGroupBox Widget to integrate in the parent layout.

void	connect (const QObject sender, const char signal, const QObject receiver, const char member)
	connect Group of overloaded functions that use the QObject::connect method with the Qt::QueuedConnection flag. This defines Qt Signal and Slots connection the same way thought out the QApplication.

void	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method)

void	connect (const QObject sender, const char signal, const char *member)

template<typename Func1 , typename Func2 >
void	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const QObject context, Func2 slot)
	connect Template version of QObject::connection with fixed Qt::QueuedConnection flag. Normally used to connect a signal with a lambda function.

Protected Attributes
QPixmap	current_zoomed_image
	current_zoomed_image Copy of the drawn zoomed image, using to draw marker/cross

bool	draw_marker
	draw_marker Flag indicates that the marker should/shouldn't be draw

QLineF	marker_line_one
	marker_line_one First line that builds marker

QLineF	marker_line_two
	marker_line_two Second line that builds marker

QString	default_magnification_factors
	default_magnification_factors List of magnification scales

int	center_rectangle_size
	center_rectangle_size The size of the center rectangle, 0 value disables drawing the center rectangle

int	magnification_factor_index

QStringList	magnification_factors

Properties
QString default_magnification_factors READ get_default_magnification_factors WRITE set_default_magnification_factors Q_PROPERTYint	center_rectangle_size

	DdtMagnificationWidget (QWidget *parent=nullptr)

void	set_default_magnification_factors (const QString default_factors)

QString	get_default_magnification_factors ()

void	set_center_rectangle_size (const int size)

int	get_center_rectangle_size () const

void	SetExpandingSize ()

int	GetImageSize () const

int	GetCurrentMagnificationFactor () const

int	GetMaximumCenterRectangleSize () const

void	CalcMarkerPosAndDraw (bool draw_marker, QPointF view_xy, QRect magnified_image_rect, bool view_rotate_90_270, double fwhm_x, double fwhm_y, double angle_x_axis, bool vertical_flip, bool horizontal_flip)

void	ClearMagnifiedImage ()

void	MagnifiedImage (QImage magnified_image)

Detailed Description

The DdtMagnificationWidget class Class for the Magnification Widget that can be used to display a magnified portion of the image around the point currently under the mouse pointer inside the image widget.

Constructor & Destructor Documentation

◆ DdtMagnificationWidget()

DdtMagnificationWidget::DdtMagnificationWidget ( QWidget * parent = nullptr )

explicit

Constructor

Parameters

parent Pointer to the parent widget

◆ ~DdtMagnificationWidget()

virtual DdtMagnificationWidget::~DdtMagnificationWidget ( )

virtualdefault

Destructor

Member Function Documentation

◆ CalcMarkerPosAndDraw()

void DdtMagnificationWidget::CalcMarkerPosAndDraw	(	bool	draw_marker,
		QPointF	view_xy,
		QRect	magnified_image_rect,
		bool	view_rotate_90_270,
		double	fwhm_x,
		double	fwhm_y,
		double	angle_x_axis,
		bool	vertical_flip,
		bool	horizontal_flip )

Calculates the marker position, remembers results for later drawing and redraw magnified image

Parameters

draw_marker	flag indicates that marker should/shouldn't be draw
view_xy	transformed (rotation) canvas/view coordinates
magnified_image_rect	transformed (scaling + flipping + rotation) rectangle describing magnified image
view_rotate_90_270	true if image is rotated by 90 or 270 degrees, otherwise false
fwhm_x	Full width at half maximum x
fwhm_y	Full width at half maximum y
angle_x_axis	Angle of marker
vertical_flip	Flag that indicate if image is flipped vertically
horizontal_flip	Flag that indicate if image is flipped horizontally

◆ ClearMagnifiedImage

void DdtMagnificationWidget::ClearMagnifiedImage ( )

slot

Clears the image display

◆ get_center_rectangle_size()

int DdtMagnificationWidget::get_center_rectangle_size ( ) const

Retrieve the size of the center rectangle

Returns: size of the center rectangle

◆ get_default_magnification_factors()

QString DdtMagnificationWidget::get_default_magnification_factors ( )

Retrieve the list of magnification scales

Returns: the list of scale factors

◆ GetCurrentMagnificationFactor()

int DdtMagnificationWidget::GetCurrentMagnificationFactor ( ) const

Returns the current magnification factor

Returns: Current magnification factor

◆ GetImageSize()

int DdtMagnificationWidget::GetImageSize ( ) const

Returns the image size

Returns: Size of the image

◆ GetMaximumCenterRectangleSize()

int DdtMagnificationWidget::GetMaximumCenterRectangleSize ( ) const

Returns a maximum center rectangle size

Returns: Maximum center rectangle size

◆ MagnifiedImage

void DdtMagnificationWidget::MagnifiedImage ( QImage magnified_image )

slot

Slot to retrieve the magnified image at the mouse coordinates

Parameters

magnified_image The magnified image.

◆ set_center_rectangle_size()

void DdtMagnificationWidget::set_center_rectangle_size ( const int size )

Set the size of the center rectangle and redraw magnified image

Parameters

size	size of the center rectangle

◆ set_default_magnification_factors()

void DdtMagnificationWidget::set_default_magnification_factors ( const QString default_factors )

Set the list of possible scale factors as comma separated values like: 1/20,1/10,1/4,1/2,1,2,4,10,20". When empty a default list should be used.

Parameters

default_factors The default magnification factor

◆ SetExpandingSize()

void DdtMagnificationWidget::SetExpandingSize ( )

Set the expnading size policy for the image

◆ SetMagnificationFactor

void DdtMagnificationWidget::SetMagnificationFactor ( QString factor )

signal

Signal sent, when the magnification factor was changed

Parameters

factor The magnification factor

Member Data Documentation

◆ center_rectangle_size

int DdtMagnificationWidget::center_rectangle_size

protected

center_rectangle_size The size of the center rectangle, 0 value disables drawing the center rectangle

◆ current_zoomed_image

QPixmap DdtMagnificationWidget::current_zoomed_image

protected

current_zoomed_image Copy of the drawn zoomed image, using to draw marker/cross

◆ default_magnification_factors

QString DdtMagnificationWidget::default_magnification_factors

protected

default_magnification_factors List of magnification scales

◆ draw_marker

bool DdtMagnificationWidget::draw_marker

protected

draw_marker Flag indicates that the marker should/shouldn't be draw

◆ magnification_factor_index

int DdtMagnificationWidget::magnification_factor_index

protected

Index for the list of magnification factors

◆ magnification_factors

QStringList DdtMagnificationWidget::magnification_factors

protected

List of magnification factors

◆ marker_line_one

QLineF DdtMagnificationWidget::marker_line_one

protected

marker_line_one First line that builds marker

◆ marker_line_two

QLineF DdtMagnificationWidget::marker_line_two

protected

marker_line_two Second line that builds marker

Property Documentation

◆ center_rectangle_size

QString default_magnification_factors READ get_default_magnification_factors WRITE set_default_magnification_factors Q_PROPERTYint DdtMagnificationWidget::center_rectangle_size

readwrite

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

datavisualisation/widgetsdialogs/src/include/ddt/widgets/ddtMagnificationWidget.hpp
datavisualisation/widgetsdialogs/src/widgets/ddtMagnificationWidget.cpp

Signals

Public Member Functions

Protected Attributes

Properties

Detailed Description

Constructor & Destructor Documentation

◆ DdtMagnificationWidget()

◆ ~DdtMagnificationWidget()

Member Function Documentation

◆ CalcMarkerPosAndDraw()

◆ ClearMagnifiedImage

◆ get_center_rectangle_size()

◆ get_default_magnification_factors()

◆ GetCurrentMagnificationFactor()

◆ GetImageSize()

◆ GetMaximumCenterRectangleSize()

◆ MagnifiedImage

◆ set_center_rectangle_size()

◆ set_default_magnification_factors()

◆ SetExpandingSize()

◆ SetMagnificationFactor

Member Data Documentation

◆ center_rectangle_size

◆ current_zoomed_image

◆ default_magnification_factors

◆ draw_marker

◆ magnification_factor_index

◆ magnification_factors

◆ marker_line_one

◆ marker_line_two

Property Documentation

◆ center_rectangle_size