ijfx.plugins.display.AutoContrast.java Source code

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Here is the source code for ijfx.plugins.display.AutoContrast.java

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/*
This file is part of ImageJ FX.
    
ImageJ FX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
ImageJ FX 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 ImageJ FX.  If not, see <http://www.gnu.org/licenses/>. 
    
 Copyright 2015,2016 Cyril MONGIS, Michael Knop
       
 */
package ijfx.plugins.display;

import ijfx.core.image.DisplayRangeService;
import ijfx.core.stats.ImageStatisticsService;
import net.imagej.Dataset;
import net.imagej.axis.Axes;
import net.imagej.display.DatasetView;
import net.imagej.display.ImageDisplay;
import net.imagej.display.ImageDisplayService;
import org.apache.commons.math3.stat.descriptive.SummaryStatistics;
import org.scijava.ItemIO;
import org.scijava.command.Command;
import org.scijava.command.ContextCommand;
import org.scijava.event.EventService;
import org.scijava.plugin.Parameter;
import org.scijava.plugin.Plugin;

/**
 *
 * @author Cyril MONGIS, 2016
 */
@Plugin(type = Command.class, menuPath = "Image > Adjust > Auto-Contrast+")
public class AutoContrast extends ContextCommand {

    @Parameter
    ImageDisplayService imageDisplayService;

    @Parameter(required = false)
    ImageDisplay imageDisplay;

    @Parameter(label = "Channel dependant", description = "If yes, the algorithm use contrast settings different for each channel.")
    boolean channelDependant;

    @Parameter
    EventService eventService;

    @Parameter(type = ItemIO.BOTH)
    Dataset dataset;

    @Parameter
    DisplayRangeService displayRangeService;

    @Override
    public void run() {

        if (imageDisplay == null && imageDisplayService.getActiveDataset() == dataset) {
            imageDisplay = imageDisplayService.getActiveImageDisplay();
        }

        if (dataset != null && dataset.isRGBMerged()) {
            return;
        }

        displayRangeService.autoContrast(imageDisplay, dataset, true);

        if (dataset != null) {
            dataset.update();
        }

        if (imageDisplay != null) {
            DatasetView view = (DatasetView) imageDisplay.getActiveView();
            view.getProjector().map();
            view.update();
        }
    }

    private static void setMinMax(ImageDisplay imageDisplay, Dataset dataset, SummaryStatistics stats,
            int channel) {

        double[] minMax;

        if (dataset != null) {
            dataset.setChannelMinimum(channel, stats.getMin());
            dataset.setChannelMaximum(channel, stats.getMax());
            dataset.update();
        }

        if (imageDisplay != null) {
            DatasetView view = (DatasetView) imageDisplay.getActiveView();
            view.setChannelRange(channel, stats.getMin(), stats.getMax());

            view.update();
            view.getProjector().map();
        }
    }

}