@Override
public BufferedImage doTransform(BufferedImage src, BufferedImage dest) {
float refraction = refractionIndex.getValueAsPercentage();
int hRadius = radius.getValue(0);
int vRadius = radius.getValue(1);
if (refraction == 1.0f || hRadius == 0 || vRadius == 0) {
return src;
}
if (filter == null) {
filter = new SphereFilter();
}
filter.setCentreX(center.getRelativeX());
filter.setCentreY(center.getRelativeY());
filter.setA(hRadius);
filter.setB(vRadius);
filter.setRefractionIndex(refraction);
// filter.setEdgeAction(edgeAction.getCurrentInt());
filter.setInterpolation(interpolation.getValue());
dest = filter.filter(src, dest);
super.setAffectedAreaShapes(filter.getAffectedAreaShapes());
return dest;
}
/** "Lens over image" effect based on the JHLabs SphereFilter */
public class JHLensOverImage extends FilterWithParametrizedGUI {
private final ImagePositionParam center = new ImagePositionParam("Center");
private final GroupedRangeParam radius = new GroupedRangeParam("Radius", 0, 999, 200);
// less than 100% doesn't create anything usable
private final RangeParam refractionIndex = new RangeParam("Refraction Index (%)", 100, 300, 150);
// private IntChoiceParam edgeAction = IntChoiceParam.getEdgeActionChoices();
private final IntChoiceParam interpolation = IntChoiceParam.getInterpolationChoices();
private SphereFilter filter;
public JHLensOverImage() {
super("Lens Over Image", true, true);
setParamSet(
new ParamSet(
center,
radius.adjustRangeToImageSize(1.0),
refractionIndex,
// edgeAction, // edge action doesn't create anything usable in this
// case
interpolation));
}
@Override
public BufferedImage doTransform(BufferedImage src, BufferedImage dest) {
float refraction = refractionIndex.getValueAsPercentage();
int hRadius = radius.getValue(0);
int vRadius = radius.getValue(1);
if (refraction == 1.0f || hRadius == 0 || vRadius == 0) {
return src;
}
if (filter == null) {
filter = new SphereFilter();
}
filter.setCentreX(center.getRelativeX());
filter.setCentreY(center.getRelativeY());
filter.setA(hRadius);
filter.setB(vRadius);
filter.setRefractionIndex(refraction);
// filter.setEdgeAction(edgeAction.getCurrentInt());
filter.setInterpolation(interpolation.getValue());
dest = filter.filter(src, dest);
super.setAffectedAreaShapes(filter.getAffectedAreaShapes());
return dest;
}
}