How to use

getSizeMM

method

in

com.jogamp.newt.MonitorDevice

/**
 * Returns the <i>pixels per millimeter</i> value according to the given {@link MonitorMode mode}'s
 * {@link SurfaceSize#getResolution() surface resolution}.
 * <p>
 * To convert the result to <i>dpi</i>, i.e. dots-per-inch, multiply both components with <code>25.4f</code>.
 * </p>
 * @param mode
 * @param ppmmStore float[2] storage for the ppmm result
 * @return the passed storage containing the ppmm for chaining
 */
public final float[] getPixelsPerMM(final MonitorMode mode, final float[] ppmmStore) {
  final DimensionImmutable sdim = getSizeMM();
  final DimensionImmutable spix = mode.getSurfaceSize().getResolution();
  ppmmStore[0] = (float)spix.getWidth() / (float)sdim.getWidth();
  ppmmStore[1] = (float)spix.getHeight() / (float)sdim.getHeight();
  return ppmmStore;
}

/**
 * Returns the <i>pixels per millimeter</i> value according to the given {@link MonitorMode mode}'s
 * {@link SurfaceSize#getResolution() surface resolution}.
 * <p>
 * To convert the result to <i>dpi</i>, i.e. dots-per-inch, multiply both components with <code>25.4f</code>.
 * </p>
 * @param mode
 * @param ppmmStore float[2] storage for the ppmm result
 * @return the passed storage containing the ppmm for chaining
 */
public final float[] getPixelsPerMM(final MonitorMode mode, final float[] ppmmStore) {
  final DimensionImmutable sdim = getSizeMM();
  final DimensionImmutable spix = mode.getSurfaceSize().getResolution();
  ppmmStore[0] = (float)spix.getWidth() / (float)sdim.getWidth();
  ppmmStore[1] = (float)spix.getHeight() / (float)sdim.getHeight();
  return ppmmStore;
}

data[idx++] = data.length;
data[idx++] = monitorDevice.getId();
data[idx++] = monitorDevice.getSizeMM().getWidth();
data[idx++] = monitorDevice.getSizeMM().getHeight();
data[idx++] = monitorDevice.getViewport().getX();
data[idx++] = monitorDevice.getViewport().getY();

data[idx++] = monitorDevice.isClone() ? 1 : 0;
data[idx++] = monitorDevice.isPrimary() ? 1 : 0;
data[idx++] = monitorDevice.getSizeMM().getWidth();
data[idx++] = monitorDevice.getSizeMM().getHeight();
data[idx++] = monitorDevice.getViewport().getX();
data[idx++] = monitorDevice.getViewport().getY();

final MonitorDevice monitor = getMainMonitor();
if ( null != monitor ) {
  final DimensionImmutable mm = monitor.getSizeMM();
  final float pixWPerMM = (float)monitor.getCurrentMode().getRotatedWidth() / (float)mm.getWidth();
  final float pixHPerMM = (float)monitor.getCurrentMode().getRotatedHeight() / (float)mm.getHeight();

final MonitorDevice monitor = getMainMonitor();
if ( null != monitor ) {
  final DimensionImmutable mm = monitor.getSizeMM();
  final float pixWPerMM = (float)monitor.getCurrentMode().getRotatedWidth() / (float)mm.getWidth();
  final float pixHPerMM = (float)monitor.getCurrentMode().getRotatedHeight() / (float)mm.getHeight();