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package bjc.imgchain.pipeline.stages;
import java.awt.Image;
import java.awt.image.BufferedImage;
import javax.swing.JComponent;
import bjc.imgchain.ImgChain;
import bjc.imgchain.ImgPickerPanel;
import bjc.imgchain.pipeline.StageType;
import bjc.imgchain.utils.Utils;
/**
* Stage which applies a subtraction mask to the image.
*
* @author Ben Culkin
*
*/
public class SubMaskStage extends AbstractPipelineStage {
private String masqueName;
/**
* Create a new subtraction mask stage.
*/
public SubMaskStage() {
super(StageType.IMGTRANS);
}
@Override
public Image process(Image inp) {
BufferedImage buf = (BufferedImage) inp;
BufferedImage masque = (BufferedImage) ImgChain.chan.imageRepo.get(masqueName);
for (int y = 0; y < buf.getHeight(); y++) {
for (int x = 0; x < buf.getWidth(); x++) {
int[] pix = Utils.toARGBQuad(buf.getRGB(x, y));
int[] msq = Utils.toARGBQuad(masque.getRGB(x, y));
pix[1] -= msq[1];
pix[2] -= msq[2];
pix[3] -= msq[3];
buf.setRGB(x, y, Utils.fromARGBQuad(pix));
}
}
return buf;
}
@Override
public String name() {
return "Subtractive Mask";
}
@Override
public String description() {
return "Subtract an image from this one";
}
@Override
public JComponent getEditor() {
ImgPickerPanel pan = new ImgPickerPanel("Mask name");
pan.imgField.field.addPropertyChangeListener("value", (ev) -> {
masqueName = pan.imgField.field.getText();
});
return pan;
}
}
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