Package org.eclipse.nebula.widgets.nattable.layer

Class DefaultZoomDpiConverter

java.lang.Object

org.eclipse.nebula.widgets.nattable.layer.AbstractDpiConverter

org.eclipse.nebula.widgets.nattable.layer.DefaultZoomDpiConverter

All Implemented Interfaces:

IDpiConverter

public class DefaultZoomDpiConverter
extends AbstractDpiConverter

Default implementation of an IDpiConverter that provides the DPI and scale factor based on the given zoom level and autoscale property.

Since:

2.7

Field Summary

Fields inherited from class org.eclipse.nebula.widgets.nattable.layer.AbstractDpiConverter

dpi, scaleFactor

Constructor Summary

Constructors

Constructor	Description
DefaultZoomDpiConverter(org.eclipse.swt.widgets.Composite parent)

Method Summary

Modifier and Type	Method	Description
float	getCurrentDpiFactor()
int	getDpi()	Returns the dots per inch of the display.
protected void	readDpiFromDisplay()	Sets the value for the dpi member variable.

Methods inherited from class org.eclipse.nebula.widgets.nattable.layer.AbstractDpiConverter

convertDpiToPixel, convertPixelToDpi

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DefaultZoomDpiConverter

public DefaultZoomDpiConverter(org.eclipse.swt.widgets.Composite parent)

Method Details

readDpiFromDisplay

protected void readDpiFromDisplay()

Description copied from class: AbstractDpiConverter

Sets the value for the dpi member variable.

IMPORTANT:
Ensure the load operation is done in the UI thread!

Specified by:

readDpiFromDisplay in class AbstractDpiConverter

getDpi

public int getDpi()

Description copied from interface: IDpiConverter

Returns the dots per inch of the display.

Specified by:

getDpi in interface IDpiConverter

Overrides:

getDpi in class AbstractDpiConverter

Returns:

the horizontal and vertical DPI

getCurrentDpiFactor

public float getCurrentDpiFactor()

Specified by:

getCurrentDpiFactor in interface IDpiConverter

Overrides:

getCurrentDpiFactor in class AbstractDpiConverter

Returns:

The factor that will be used for the current DPI.