JHWaterRipple.java

/*
 * Copyright 2017 Laszlo Balazs-Csiki
 *
 * This file is part of Pixelitor. Pixelitor is free software: you
 * can redistribute it and/or modify it under the terms of the GNU
 * General Public License, version 3 as published by the Free
 * Software Foundation.
 *
 * Pixelitor is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Pixelitor. If not, see <http://www.gnu.org/licenses/>.
 */
package pixelitor.filters.jhlabsproxies;

import com.jhlabs.image.WaterFilter;
import pixelitor.filters.FilterWithParametrizedGUI;
import pixelitor.filters.gui.ImagePositionParam;
import pixelitor.filters.gui.IntChoiceParam;
import pixelitor.filters.gui.ParamSet;
import pixelitor.filters.gui.RangeParam;
import pixelitor.filters.gui.ShowOriginal;

import java.awt.image.BufferedImage;

/**
 * Water Ripple based on the JHLabs WaterFilter
 */
public class JHWaterRipple extends FilterWithParametrizedGUI {
    public static final String NAME = "Water Ripple";

    private final ImagePositionParam center = new ImagePositionParam("Center");

    private final RangeParam radius = new RangeParam("Radius", 1, 300, 999);
    private final RangeParam wavelength = new RangeParam("Wavelength", 1, 25, 250);
    private final RangeParam amplitude = new RangeParam("Amplitude", 1, 50, 100);
    private final RangeParam phase = new RangeParam("Phase (Time)", 0, 0, 360);

    private final IntChoiceParam edgeAction = IntChoiceParam.forEdgeAction();
    private final IntChoiceParam interpolation = IntChoiceParam.forInterpolation();

    private WaterFilter filter;

    public JHWaterRipple() {
        super(ShowOriginal.YES);

        showAffectedArea();

        setParamSet(new ParamSet(
                center,
                radius.withAdjustedRange(1.0),
                wavelength.withAdjustedRange(0.25),
                amplitude,
                phase,
                edgeAction,
                interpolation
        ));
    }

    @Override
    public BufferedImage doTransform(BufferedImage src, BufferedImage dest) {
        if (filter == null) {
            filter = new WaterFilter(NAME);
        }

        filter.setCentreX(center.getRelativeX());
        filter.setCentreY(center.getRelativeY());
        filter.setRadius(radius.getValueAsFloat());
        filter.setWavelength(wavelength.getValueAsFloat());
        filter.setAmplitude(amplitude.getValueAsPercentage());
        filter.setPhase(phase.getValueInRadians());
        filter.setEdgeAction(edgeAction.getValue());
        filter.setInterpolation(interpolation.getValue());

        dest = filter.filter(src, dest);
        setAffectedAreaShapes(filter.getAffectedAreaShapes());
        return dest;
    }
}