package stirling.software.SPDF.utils;

import java.awt.image.BufferedImage;

public class ImageProcessingUtils {

	static BufferedImage convertColorType(BufferedImage sourceImage, String colorType) {
	    BufferedImage convertedImage;
	    switch (colorType) {
	        case "greyscale":
	            convertedImage = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
	            convertedImage.getGraphics().drawImage(sourceImage, 0, 0, null);
	            break;
	        case "blackwhite":
	            convertedImage = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_BYTE_BINARY);
	            convertedImage.getGraphics().drawImage(sourceImage, 0, 0, null);
	            break;
	        default:  // full color
	            convertedImage = sourceImage;
	            break;
	    }
	    return convertedImage;
	}

}