QGIS API Documentation: QgsSingleBandGrayRendererWidget Class Reference

QGIS API Documentation 3.4.15-Madeira (e83d02e274)

#include <qgssinglebandgrayrendererwidget.h>

Inheritance diagram for QgsSingleBandGrayRendererWidget:

Inheritance graph

[legend]

Public Slots
void	loadMinMax (int bandNo, double min, double max)
	called when new min/max values are loaded More...

Public Member Functions
	QgsSingleBandGrayRendererWidget (QgsRasterLayer *layer, const QgsRectangle &extent=QgsRectangle())

void	doComputations () override
	Load programmatically with current values. More...

QString	max (int index=0) override

QString	min (int index=0) override

QgsRasterMinMaxWidget *	minMaxWidget () override
	Returns min/max widget when it exists. More...

QgsRasterRenderer *	renderer () override

int	selectedBand (int index=0) override

void	setFromRenderer (const QgsRasterRenderer *r)

void	setMapCanvas (QgsMapCanvas *canvas) override
	Sets the map canvas associated with the widget. More...

void	setMax (const QString &value, int index=0) override

void	setMin (const QString &value, int index=0) override

Public Member Functions inherited from QgsRasterRendererWidget
	QgsRasterRendererWidget (QgsRasterLayer *layer, const QgsRectangle &extent)

QgsMapCanvas *	mapCanvas ()
	Returns the map canvas associated with the widget. More...

const QgsRasterLayer *	rasterLayer () const

void	setRasterLayer (QgsRasterLayer *layer)

virtual void	setStdDev (const QString &value)

virtual QString	stdDev ()

Static Public Member Functions
static QgsRasterRendererWidget *	create (QgsRasterLayer *layer, const QgsRectangle &extent)

Additional Inherited Members
Signals inherited from QgsRasterRendererWidget
void	widgetChanged ()
	Emitted when something on the widget has changed. More...

Protected Attributes inherited from QgsRasterRendererWidget
QgsMapCanvas *	mCanvas = nullptr
	Associated map canvas. More...

QgsRectangle	mExtent
	Current extent. More...

QgsRasterLayer *	mRasterLayer = nullptr

Detailed Description

Definition at line 32 of file qgssinglebandgrayrendererwidget.h.

Constructor & Destructor Documentation

QgsSingleBandGrayRendererWidget::QgsSingleBandGrayRendererWidget	(	QgsRasterLayer *	layer,
		const QgsRectangle &	extent = `QgsRectangle()`
	)

Definition at line 24 of file qgssinglebandgrayrendererwidget.cpp.

Member Function Documentation

static QgsRasterRendererWidget* QgsSingleBandGrayRendererWidget::create	(	QgsRasterLayer *	layer,
		const QgsRectangle &	extent
	)

inlinestatic

Definition at line 38 of file qgssinglebandgrayrendererwidget.h.

void QgsSingleBandGrayRendererWidget::doComputations ( )

overridevirtual

Load programmatically with current values.

Reimplemented from QgsRasterRendererWidget.

Definition at line 105 of file qgssinglebandgrayrendererwidget.cpp.

void QgsSingleBandGrayRendererWidget::loadMinMax	(	int	bandNo,
		double	min,
		double	max
	)

slot

called when new min/max values are loaded

Definition at line 141 of file qgssinglebandgrayrendererwidget.cpp.

QString QgsSingleBandGrayRendererWidget::max ( int index = 0 )

inlineoverridevirtual

Reimplemented from QgsRasterRendererWidget.

Definition at line 46 of file qgssinglebandgrayrendererwidget.h.

QString QgsSingleBandGrayRendererWidget::min ( int index = 0 )

inlineoverridevirtual

Reimplemented from QgsRasterRendererWidget.

Definition at line 45 of file qgssinglebandgrayrendererwidget.h.

QgsRasterMinMaxWidget* QgsSingleBandGrayRendererWidget::minMaxWidget ( )

inlineoverridevirtual

Returns min/max widget when it exists.

Reimplemented from QgsRasterRendererWidget.

Definition at line 51 of file qgssinglebandgrayrendererwidget.h.

QgsRasterRenderer * QgsSingleBandGrayRendererWidget::renderer ( )

overridevirtual

Implements QgsRasterRendererWidget.

Definition at line 77 of file qgssinglebandgrayrendererwidget.cpp.

int QgsSingleBandGrayRendererWidget::selectedBand ( int index = 0 )

inlineoverridevirtual

Reimplemented from QgsRasterRendererWidget.

Definition at line 49 of file qgssinglebandgrayrendererwidget.h.

void QgsSingleBandGrayRendererWidget::setFromRenderer ( const QgsRasterRenderer * r )

Definition at line 176 of file qgssinglebandgrayrendererwidget.cpp.

void QgsSingleBandGrayRendererWidget::setMapCanvas ( QgsMapCanvas * canvas )

overridevirtual

Sets the map canvas associated with the widget.

This allows the widget to retrieve the current map extent and other properties from the canvas.

Parameters

canvas map canvas

See also: mapCanvas()

Since: QGIS 2.16

Reimplemented from QgsRasterRendererWidget.

Definition at line 110 of file qgssinglebandgrayrendererwidget.cpp.

void QgsSingleBandGrayRendererWidget::setMax	(	const QString &	value,
		int	index = `0`
	)

overridevirtual

Reimplemented from QgsRasterRendererWidget.

Definition at line 210 of file qgssinglebandgrayrendererwidget.cpp.

void QgsSingleBandGrayRendererWidget::setMin	(	const QString &	value,
		int	index = `0`
	)

overridevirtual

Reimplemented from QgsRasterRendererWidget.

Definition at line 203 of file qgssinglebandgrayrendererwidget.cpp.

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

/build/qgis-3.4.15+24xenial/src/gui/raster/qgssinglebandgrayrendererwidget.h
/build/qgis-3.4.15+24xenial/src/gui/raster/qgssinglebandgrayrendererwidget.cpp