How to use

setColor

method

in

org.esa.beam.framework.datamodel.ColorPaletteDef$Point

  sample = lastSample + 1.0;
point.setColor(color);
point.setSample(sample);
points[i] = point;

private static void transferPoints(ColorPaletteDef sourceCPD,
                  double minSample,
                  double maxSample,
                  boolean autoDistribute,
                  ColorPaletteDef targetCPD) {
  if (autoDistribute || sourceCPD.isAutoDistribute()) {
    alignNumPoints(sourceCPD, targetCPD);
    double minDisplaySample = sourceCPD.getMinDisplaySample();
    double maxDisplaySample = sourceCPD.getMaxDisplaySample();
    double delta1 = (maxSample > minSample) ? maxSample - minSample : 1.0;
    double delta2 = (maxDisplaySample > minDisplaySample) ? maxDisplaySample - minDisplaySample : 1.0;
    double b = delta1 / delta2;
    double a = minSample - minDisplaySample * b;
    for (int i = 0; i < sourceCPD.getNumPoints(); i++) {
      targetCPD.getPointAt(i).setSample(a + b * sourceCPD.getPointAt(i).getSample());
      targetCPD.getPointAt(i).setColor(sourceCPD.getPointAt(i).getColor());
      targetCPD.getPointAt(i).setLabel(sourceCPD.getPointAt(i).getLabel());
    }
  } else {
    targetCPD.setPoints(sourceCPD.getPoints().clone());
  }
}

@Override
public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
  if (getImageInfo() == null) {
    return;
  }
  final ColorPaletteDef.Point point = getImageInfo().getColorPaletteDef().getPointAt(rowIndex);
  if (columnIndex == 0) {
    point.setLabel((String) aValue);
    fireTableCellUpdated(rowIndex, columnIndex);
    parentForm.applyChanges();
  } else if (columnIndex == 1) {
    final Color color = (Color) aValue;
    point.setColor(color == null ? ImageInfo.NO_COLOR : color);
    fireTableCellUpdated(rowIndex, columnIndex);
    parentForm.applyChanges();
  }
}

/**
 * Sets the colours of the colour palette of this image info.
 *
 * @param colors the new colours
 */
public void setColors(Color[] colors) {
  ColorPaletteDef cpd = getColorPaletteDef();
  int numPoints = cpd.getNumPoints();
  for (int i = 0; i < numPoints; i++) {
    ColorPaletteDef.Point point = cpd.getPointAt(i);
    point.setColor(colors[i % colors.length]);
  }
}

@Override
public void setSliderColor(int index, Color color) {
  getImageInfo().getColorPaletteDef().getPointAt(index).setColor(color);
  fireStateChanged();
}

@Override
public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
  final ColorPaletteDef.Point point = getImageInfo().getColorPaletteDef().getPointAt(rowIndex);
  if (columnIndex == 0) {
    final Color color = (Color) aValue;
    point.setColor(color == null ? ImageInfo.NO_COLOR : color);
    fireTableCellUpdated(rowIndex, columnIndex);
  } else if (columnIndex == 1) {
    point.setSample((Double) aValue);
    fireTableCellUpdated(rowIndex, columnIndex);
  }
}