boofcv.gui.mesh.MeshViewerPreferencePanel Maven / Gradle / Ivy

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BoofCV is an open source Java library for real-time computer vision and robotics applications.
There is a newer version: 1.1.7
/*
 * Copyright (c) 2023, Peter Abeles. All Rights Reserved.
 *
 * This file is part of BoofCV (http://boofcv.org).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package boofcv.gui.mesh;

import boofcv.gui.StandardAlgConfigPanel;

import javax.swing.*;
import java.awt.*;
import java.util.ArrayList;
import java.util.Objects;

/**
 * Lets the user configure controls and provides help explaining how to control.
 *
 * @author Peter Abeles
 */
public class MeshViewerPreferencePanel extends StandardAlgConfigPanel {
	// Shows user interface controls
	JComboBox comboControls;

	// Allows the user to hide the help. Good for screenshots
	JCheckBox checkHide;

	// Help about controls
	JTextArea textArea = new JTextArea();

	// The owner
	MeshViewerPanel panel;

	// button which shows / selects the cloud's background
	protected final JButton bColorBackGround = new JButton();

	/**
	 *
	 * @param panel The viewer that this is adjusting
	 */
	public MeshViewerPreferencePanel( MeshViewerPanel panel ) {
		this.panel = panel;

		checkHide = checkbox("Show Help", panel.helpButtonActive);
		comboControls = combo(0, new ArrayList<>(panel.controls.keySet()).toArray());

		textArea.setEditable(false);
		textArea.setWrapStyleWord(true);
		textArea.setLineWrap(true);
		textArea.setFont(new Font("monospaced", Font.PLAIN, 12));

		// Create a button that's a small square with a black border
		bColorBackGround.setPreferredSize(new Dimension(24, 24));
		bColorBackGround.setMinimumSize(bColorBackGround.getPreferredSize());
		bColorBackGround.setMaximumSize(bColorBackGround.getPreferredSize());
		bColorBackGround.setBorder(BorderFactory.createLineBorder(Color.BLACK, 4));
		bColorBackGround.setIcon(new FlatIcon());
		bColorBackGround.setToolTipText("Click to change the background color");
		bColorBackGround.addActionListener(e -> {
			// Show a color picker dialog when pressed
			Color newColor = JColorChooser.showDialog(
					this,
					"Background Color",
					new Color(panel.getRenderBackgroundColor()));
			if (newColor == null)
				return;
			bColorBackGround.repaint();
			panel.setRenderBackgroundColor(newColor.getRGB());
			panel.requestRender();
		});

		setHelpText();

		addLabeled(comboControls, "Controls");
		addLabeled(bColorBackGround, "Background");
		addAlignLeft(checkHide);
		addAlignCenter(textArea);

		setPreferredSize(new Dimension(300, 400));
	}

	private void setHelpText() {
		Swing3dCameraControl control = Objects.requireNonNull(panel.controls.get((String)comboControls.getSelectedItem()));

		String text = """
				h   Set view to home
				j   Cycle colorization
				k   Show depth image
				""";
		text += "\n" + control.getHelpText();

		textArea.setText(text);
	}

	@Override public void controlChanged( final Object source ) {
		if (source == comboControls) {
			var selected = (String)comboControls.getSelectedItem();
			panel.setActiveControl(selected);
			setHelpText();
		} else if (source == checkHide) {
			panel.helpButtonActive = checkHide.isSelected();
			panel.repaint();
		}
	}

	private class FlatIcon implements Icon {
		@Override
		public void paintIcon( Component c, Graphics g, int x, int y ) {
			g.setColor(new Color(panel.getRenderBackgroundColor()));
			g.fillRect(0, 0, c.getWidth(), c.getHeight());
		}

		@Override
		public int getIconWidth() {return 20;}

		@Override
		public int getIconHeight() {return 20;}
	}
}