be.tarsos.dsp.ui.layers.LegendLayer Maven / Gradle / Ivy
/*
* _______ _____ _____ _____
* |__ __| | __ \ / ____| __ \
* | | __ _ _ __ ___ ___ ___| | | | (___ | |__) |
* | |/ _` | '__/ __|/ _ \/ __| | | |\___ \| ___/
* | | (_| | | \__ \ (_) \__ \ |__| |____) | |
* |_|\__,_|_| |___/\___/|___/_____/|_____/|_|
*
* -------------------------------------------------------------
*
* TarsosDSP is developed by Joren Six at IPEM, University Ghent
*
* -------------------------------------------------------------
*
* Info: http://0110.be/tag/TarsosDSP
* Github: https://github.com/JorenSix/TarsosDSP
* Releases: http://0110.be/releases/TarsosDSP/
*
* TarsosDSP includes modified source code by various authors,
* for credits and info, see README.
*
*/
package be.tarsos.dsp.ui.layers;
import java.awt.Color;
import java.awt.Graphics2D;
import java.util.ArrayList;
import java.util.List;
import be.tarsos.dsp.ui.Axis;
import be.tarsos.dsp.ui.CoordinateSystem;
/**
* Adds a legend to the upper right corner of the map.
* @author Joren Six
*/
public class LegendLayer implements Layer {
List colors;
List texts;
CoordinateSystem cs;
int pixelsFromRight;
public LegendLayer(CoordinateSystem cs,int pixelsFromRight){
this.cs = cs;
colors = new ArrayList();
texts = new ArrayList();
this.pixelsFromRight = pixelsFromRight;
}
@Override
public void draw(Graphics2D graphics) {
int maxX = Math.round(cs.getMax(Axis.X));
int maxY = Math.round(cs.getMax(Axis.Y));
for(int i = 0;i < colors.size(); i++){
String text = texts.get(i);
Color color = colors.get(i);
int textYOffset = Math.round(LayerUtilities.pixelsToUnits(graphics,14, false));
int textXOffset = Math.round(LayerUtilities.pixelsToUnits(graphics,pixelsFromRight, true));
LayerUtilities.drawString(graphics,text,maxX-textXOffset,maxY-textYOffset*(i+1),false,true,Color.white,color);
}
}
@Override
public String getName() {
return "Legend";
}
public void addEntry(String string, Color blue) {
colors.add(blue);
texts.add(string);
}
public void removeAllEntries(){
colors.clear();
texts.clear();
}
}
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