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package bjc.imgchain.pipeline.stages;
import java.awt.GridLayout;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.border.BevelBorder;
import javax.swing.border.TitledBorder;
import bjc.imgchain.pipeline.StageType;
import bjc.imgchain.utils.LabeledInputPanel;
/**
* Stage which converts an image into three-tone.
*
* @author Ben Culkin
*
*/
public class ThresholdStage extends AbstractPixelStage {
/**
* Create a new threshold stage, where all of the thresholds are 0.
*/
public ThresholdStage() {
this(0, 0, 0);
}
/**
* Creates a new threshold stage.
*
* @param rr The red threshold.
* @param gg The green threshold.
* @param bb The blue threshold.
*/
public ThresholdStage(int rr, int gg, int bb) {
super(StageType.IMGTRANS);
this.redThreshold = rr;
this.greenThreshold = gg;
this.blueThreshold = bb;
}
private int redThreshold;
private int greenThreshold;
private int blueThreshold;
@Override
public int[] processPixel(int[] pix) {
int[] ret = new int[4];
ret[0] = pix[0];
ret[1] = pix[1] > redThreshold ? 255 : 0;
ret[2] = pix[2] > greenThreshold ? 255 : 0;
ret[3] = pix[3] > blueThreshold ? 255 : 0;
ret[1] = Math.max(0, Math.min(255, ret[1]));
ret[2] = Math.max(0, Math.min(255, ret[2]));
ret[3] = Math.max(0, Math.min(255, ret[3]));
return ret;
}
@Override
public String name() {
return "Colorized Threshold";
}
@Override
public String description() {
return "Convert image into three-tone";
}
@Override
public JComponent getEditor() {
JPanel holder = new JPanel();
holder.setLayout(new GridLayout(3, 1));
JPanel rSkew = new JPanel();
rSkew.setLayout(new GridLayout(1, 3));
rSkew.setBorder(new TitledBorder(new BevelBorder(BevelBorder.LOWERED), "Red Threshold"));
JPanel gSkew = new JPanel();
gSkew.setLayout(new GridLayout(1, 3));
gSkew.setBorder(new TitledBorder(new BevelBorder(BevelBorder.LOWERED), "Green Threshold"));
JPanel bSkew = new JPanel();
bSkew.setLayout(new GridLayout(1, 3));
bSkew.setBorder(new TitledBorder(new BevelBorder(BevelBorder.LOWERED), "Blue Threshold"));
LabeledInputPanel rpercRed = new LabeledInputPanel("Red", redThreshold);
rSkew.add(rpercRed);
LabeledInputPanel gpercGreen = new LabeledInputPanel("Green", greenThreshold);
gSkew.add(gpercGreen);
LabeledInputPanel bpercBlue = new LabeledInputPanel("Blue", blueThreshold);
bSkew.add(bpercBlue);
rpercRed.field.addPropertyChangeListener("value", (ev) -> {
redThreshold = (Integer) rpercRed.field.getValue();
});
gpercGreen.field.addPropertyChangeListener("value", (ev) -> {
greenThreshold = (Integer) gpercGreen.field.getValue();
});
bpercBlue.field.addPropertyChangeListener("value", (ev) -> {
blueThreshold = (Integer) bpercBlue.field.getValue();
});
holder.add(rSkew);
holder.add(gSkew);
holder.add(bSkew);
return holder;
}
}
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