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

Interface IDpiConverter

All Known Implementing Classes:
AbstractDpiConverter, DefaultHorizontalDpiConverter, DefaultVerticalDpiConverter, FixedScalingDpiConverter, NoScalingDpiConverter
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

    Modifier and Type
    Method
    Description
    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 Details

    • 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