ImageUtils.java

package org.genedb.jogra.controller;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;

import javax.imageio.ImageIO;

public class ImageUtils {
    
    //private static final int POINT = 6;
    //private static final int HALF_POINT = POINT/2;
    //private static final Stroke STROKE = new BasicStroke(POINT, CAP_ROUND, JOIN_MITER);
    
    private BufferedImage background;
    private int width;
    private int height;
    //private int scale = 1;
    //private boolean invert = false;
    //private String localFileName;
    private Map<String, Color> colourMap = new HashMap<String, Color>();
    
//    public void setScale(int scale) {
//        this.scale = scale;
//    }
    
//    public void setInvert(boolean invert) {
//        this.invert = invert;
//    }
    
    public ImageUtils() {
//        EventBus.subscribeStrongly(StageEvent.class, new EventSubscriber() {
//            public void onEvent(EventServiceEvent event) {
//                StageEvent se = (StageEvent) event;
//                Stage stage = se.getEventObject();
//                if (invert) {
//                    stage = se.getAlternateStage();
//                }
//                background = backgroundImages.get(stage);
//                //System.err.println("Set a background image '"+background+"'");
//            }
//        });
    }

    public void setBackgroundImageNames(Map<String, String> backgroundImageNames) throws IOException {
        //this.backgroundImages = new HashMap<Stage, BufferedImage>(backgroundImageNames.size());
//        BufferedImage bi = null;
//        for (Map.Entry<String, String> entry : backgroundImageNames.entrySet()) {
//            bi = makeBackgroundFromClasspath(entry.getValue());
//            if (scale != 1) {
//                // Scale image
//                bi = getFasterScaledInstance(bi, bi.getWidth()/scale, bi.getHeight()/scale, 
//                        RenderingHints.VALUE_INTERPOLATION_BILINEAR, true);
//            }
//            this.backgroundImages.put(Stage.valueOf(entry.getKey()), bi);
//        }
//        this.width = bi.getWidth();
//        this.height = bi.getHeight();
//        this.background = backgroundImages.get(Stage.HOUR_31);
//        if (invert) {
//            this.background = backgroundImages.get(Stage.HOUR_48);
//        }
    }

//    public String getLocalFileName() {
//        return this.localFileName;
//    }
//
//    public void setLocalFileName(String localFileName) {
//        this.localFileName = localFileName;
//    }

    public BufferedImage makeBackgroundFromAbsoluteFile(File file) throws IOException {
        // Load an image from this file
        //System.err.println("Trying to make background '"+file.getAbsolutePath()+"'");
        BufferedImage bi = ImageIO.read(file);
        return bi;
    }
    
    public static BufferedImage makeBackgroundFromClasspath(String name) throws IOException {
        // Load an image from this file
        System.err.println("Trying to make background '"+name+"'");
        System.err.println(ImageUtils.class.getClassLoader());
        URL url = ImageUtils.class.getClassLoader().getResource(name);
        BufferedImage bi = ImageIO.read(url);
        return bi;
    }
    
    
    public void drawBackground(Graphics2D g2d) {
        g2d.drawImage(background, 0, 0, null);
    }

    public void setColourLookup(Map<String, String> colourLookup) {
        for (Map.Entry<String, String> entry : colourLookup.entrySet()) {
            String[] rgb = entry.getValue().split(",");
            Color colour = new Color(Integer.parseInt(rgb[0]), Integer.parseInt(rgb[1]), Integer.parseInt(rgb[2]));
            colourMap.put(entry.getKey(), colour);
        }
    }

    public int getHeight() {
        return this.height;
    }

    public int getWidth() {
        return this.width;
    }
    
}