/*
 * Copyright (c) 2007-2010 by The Broad Institute, Inc. and the Massachusetts Institute of Technology.
 * All Rights Reserved.
 *
 * This software is licensed under the terms of the GNU Lesser General Public License (LGPL), Version 2.1 which
 * is available at http://www.opensource.org/licenses/lgpl-2.1.php.
 *
 * THE SOFTWARE IS PROVIDED "AS IS." THE BROAD AND MIT MAKE NO REPRESENTATIONS OR WARRANTIES OF
 * ANY KIND CONCERNING THE SOFTWARE, EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR THE ABSENCE OF LATENT
 * OR OTHER DEFECTS, WHETHER OR NOT DISCOVERABLE.  IN NO EVENT SHALL THE BROAD OR MIT, OR THEIR
 * RESPECTIVE TRUSTEES, DIRECTORS, OFFICERS, EMPLOYEES, AND AFFILIATES BE LIABLE FOR ANY DAMAGES OF
 * ANY KIND, INCLUDING, WITHOUT LIMITATION, INCIDENTAL OR CONSEQUENTIAL DAMAGES, ECONOMIC
 * DAMAGES OR INJURY TO PROPERTY AND LOST PROFITS, REGARDLESS OF WHETHER THE BROAD OR MIT SHALL
 * BE ADVISED, SHALL HAVE OTHER REASON TO KNOW, OR IN FACT SHALL KNOW OF THE POSSIBILITY OF THE
 * FOREGOING.
 */

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.broad.igv.feature.dranger;

import org.broad.igv.feature.Feature;
import org.broad.igv.renderer.FeatureRenderer;
import org.broad.igv.track.FeatureTrack;
import org.broad.igv.track.RenderContext;

import java.awt.*;
import java.util.List;

/**
 * @author jrobinso
 */
public class DRangerRenderer extends FeatureRenderer {

    //TODO -- this is a copy from MutationRenderer.  Refactor to move this up
    // the class hierarchy.
    public void renderFeatures(List<Feature> featureList, RenderContext context,
                               Rectangle trackRectangle, FeatureTrack track) {

        double origin = context.getOrigin();
        double locScale = context.getScale();

        if (featureList != null && featureList.size() > 0) {


            Rectangle lastRect = null;
            for (Feature feature : featureList) {


                // Note -- don't cast these to an int until the range is checked.
                // could get an overflow.
                double pixelStart = ((feature.getStart() - origin) / locScale);
                double pixelEnd = ((feature.getEnd() - origin) / locScale);

                // If the any part of the feature fits in the
                // Track rectangle draw it
                if (pixelEnd >= trackRectangle.getX() &&
                        pixelStart <= trackRectangle.getMaxX()) {
                    renderFeature(feature, context, trackRectangle);
                }
            }
        }
    }

    private void renderFeature(Feature feature, RenderContext context, Rectangle rect) {

        double origin = context.getOrigin();
        double locScale = context.getScale();

        DRangerFeature dr = (DRangerFeature) feature;
        int x = (int) ((dr.getStart() - origin) / locScale);
        int length = dr.getEnd() - dr.getStart();
        int h = (int) Math.min(12, rect.getHeight());
        int w = (int) Math.ceil(length / locScale);
        int y = (int) Math.max(rect.getY(), (rect.getY() + (rect.getHeight() - h) / 2));

        Graphics2D g = context.getGraphic2DForColor(feature.getColor());
        g.fillRect(x, y, w, h);


    }


}
