org.eclipse.nebula.widgets.nattable.layer
Interface IDpiConverter

All Known Implementing Classes:

AbstractDpiConverter

public interface IDpiConverter

Interface to add support for scaling.

This interface is inspired by Riena and the corresponding talk at EclipseCon 2014 Scaling SWT on high-resolution screens

Method Summary

int	convertDpiToPixel(int dpi) Converts the given DPI scaled value to a pixel value.
int	convertPixelToDpi(int pixel) Converts the given amount of pixels to a DPI scaled value.
float	getCurrentDpiFactor()
int	getDpi() Returns the dots per inch of the display.

Method Detail

getDpi

int getDpi()

Returns the dots per inch of the display.

Returns:

the horizontal and vertical DPI

getCurrentDpiFactor

float getCurrentDpiFactor()

Returns:

The factor that will be used for the current DPI.

convertPixelToDpi

int convertPixelToDpi(int pixel)

Converts the given amount of pixels to a DPI scaled value.

Parameters:

pixel - the amount of pixels to convert.

Returns:

The converted pixels.

convertDpiToPixel

int convertDpiToPixel(int dpi)

Converts the given DPI scaled value to a pixel value.

Parameters:

dpi - the DPI value to convert.

Returns:

The pixel value related to the given DPI