ImageTest.java

package org.insightech.er.test;

import java.io.FileNotFoundException;

import org.eclipse.draw2d.ActionEvent;
import org.eclipse.draw2d.ActionListener;
import org.eclipse.draw2d.Button;
import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.ImageFigure;
import org.eclipse.draw2d.LightweightSystem;
import org.eclipse.draw2d.ToolbarLayout;
import org.eclipse.draw2d.XYLayout;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class ImageTest {

	private static Shell shell = new Shell();

	private static Image image;

	private static ImageFigure imageFigure;

	public static void main(String[] args) throws FileNotFoundException {
		main();
	}

	private static void main() throws FileNotFoundException {
		// �f�t�H���gDisplay���g�p���ăV�F�����쐬
		try {
			shell.setSize(100, 100); // �V�F���̃T�C�Y���w��

			// �쐬�����V�F�����g�p����LightweightSystem�̍쐬
			LightweightSystem lws = new LightweightSystem(shell);

			// ���[�g�E�t�B�M���A�̍쐬
			IFigure panel = new Figure();
			panel.setLayoutManager(new ToolbarLayout());

			initialize(panel);

			// ���[�g�E�t�B�M���A�̓o�^
			lws.setContents(panel);

			// �ȉ��́A���̑���SWT�A�v���P�[�V�����Ɠ��l
			shell.open();

			Display display = Display.getDefault();
			while (!shell.isDisposed()) {
				if (!display.readAndDispatch())
					display.sleep();
			}

		} finally {
			if (image != null) {
				image.dispose();
			}
		}
	}

	private static void initialize(IFigure parent) throws FileNotFoundException {
		parent.add(createContents());
	}

	private static Figure createContents() {
		Figure contents = new Figure();
		XYLayout layout = new XYLayout();
		contents.setLayoutManager(layout);

		Button button = new Button("Hello World");
		layout.setConstraint(button, new Rectangle(0, 0, -1, -1));
		contents.add(button);

		button.addActionListener(new ActionListener() {

			public void actionPerformed(ActionEvent actionevent) {
				setBrightness();
			}
		});

		String path = "C:\\Users\\Public\\Pictures\\Sample Pictures\\Oryx Antelope.jpg";
		image = new Image(Display.getDefault(), path);
		imageFigure = new ImageFigure(image);

		layout.setConstraint(imageFigure, new Rectangle(0, 30, -1, -1));

		contents.add(imageFigure);

		return contents;
	}

	private static void setBrightness() {
		if (image.isDisposed()) {
			return;
		}

		ImageData imageData = image.getImageData();

		for (int x = 0; x < imageData.width; x++) {
			for (int y = 0; y < imageData.height; y++) {
				RGB rgb = imageData.palette.getRGB(imageData.getPixel(x, y));
				float[] hsb = rgb.getHSB();

				hsb[2] = hsb[2] + 0.1f;
				if (hsb[2] > 1.0f) {
					hsb[2] = 1.0f;
				}
				
//				hsb[1] = hsb[1] - 0.1f;
//				if (hsb[1] < 0.0f) {
//					hsb[1] = 0.0f;
//				}
				RGB newRGB = new RGB(hsb[0], hsb[1], hsb[2]);

				
				int pixel = imageData.palette.getPixel(newRGB);
				imageData.setPixel(x, y, pixel);
			}
		}

		image.dispose();
		image = new Image(Display.getDefault(), imageData);

		imageFigure.setImage(image);
	}
}