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3D rendering engine. Plus modeling. Expected glsl textures 3d and 2d rendering
/*
* Copyright (c) 2022-2023. Manuel Daniel Dahmen
*
*
* Copyright 2012-2023 Manuel Daniel Dahmen
*
* 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.
*/
// -*- mode:java; encoding:utf-8 -*-
// vim:set fileencoding=utf-8:
// https://ateraimemo.com/Swing/BreadcrumbList.html
package one.empty3.testscopy.tests.test3;
import javax.swing.*;
import javax.swing.plaf.LayerUI;
import javax.swing.tree.MutableTreeNode;
import javax.swing.tree.TreePath;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.geom.AffineTransform;
import java.awt.geom.Path2D;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
public final class MainPanel extends JPanel {
private MainPanel() {
super(new BorderLayout());
Container breadcrumb = makeContainer(10 + 1);
JTree tree = new JTree();
tree.setSelectionRow(0);
tree.addTreeSelectionListener(e -> {
Object o = tree.getLastSelectedPathComponent();
if (o instanceof MutableTreeNode && !((MutableTreeNode) o).isLeaf()) {
initBreadcrumbList(breadcrumb, tree);
breadcrumb.revalidate();
breadcrumb.repaint();
}
});
initBreadcrumbList(breadcrumb, tree);
add(new JLayer<>(breadcrumb, new BreadcrumbLayerUI<>()), BorderLayout.NORTH);
Component c = makeBreadcrumbList(Arrays.asList("aaa", "bb", "c"));
add(c, BorderLayout.SOUTH);
add(new JScrollPane(tree));
setPreferredSize(new Dimension(320, 240));
}
private static Container makeContainer(int overlap) {
JPanel p = new JPanel(new FlowLayout(FlowLayout.LEADING, -overlap, 0)) {
@Override
public boolean isOptimizedDrawingEnabled() {
return false;
}
};
p.setBorder(BorderFactory.createEmptyBorder(4, overlap + 4, 4, 4));
p.setOpaque(false);
return p;
}
private static void initBreadcrumbList(Container p, JTree tree) {
p.removeAll();
ButtonGroup bg = new ButtonGroup();
Object[] paths = tree.getSelectionPath().getPath();
for (int i = 0; i < paths.length; i++) {
AbstractButton b = makeButton(tree, copyTreePath(paths, i + 1), Color.ORANGE);
p.add(b);
bg.add(b);
}
}
private static TreePath copyTreePath(Object[] paths, int newLength) {
return new TreePath(Arrays.copyOf(paths, newLength));
}
private static Component makeBreadcrumbList(List list) {
Container p = makeContainer(5 + 1);
ButtonGroup bg = new ButtonGroup();
list.forEach(title -> {
AbstractButton b = makeButton(null, new TreePath(title), Color.PINK);
p.add(b);
bg.add(b);
});
return p;
}
private static AbstractButton makeButton(JTree tree, TreePath path, Color color) {
AbstractButton b = new JRadioButton(path.getLastPathComponent().toString()) {
@Override
public boolean contains(int x, int y) {
Icon i = getIcon();
if (i instanceof ArrowToggleButtonBarCellIcon) {
Shape s = ((ArrowToggleButtonBarCellIcon) i).getShape();
if (Objects.nonNull(s)) {
return s.contains(x, y);
}
}
return super.contains(x, y);
}
};
if (Objects.nonNull(tree)) {
b.addActionListener(e -> {
JRadioButton r = (JRadioButton) e.getSource();
tree.setSelectionPath(path);
r.setSelected(true);
});
}
b.setIcon(new ArrowToggleButtonBarCellIcon());
b.setContentAreaFilled(false);
b.setBorder(BorderFactory.createEmptyBorder());
b.setVerticalAlignment(SwingConstants.CENTER);
b.setVerticalTextPosition(SwingConstants.CENTER);
b.setHorizontalAlignment(SwingConstants.CENTER);
b.setHorizontalTextPosition(SwingConstants.CENTER);
b.setFocusPainted(false);
b.setOpaque(false);
b.setBackground(color);
return b;
}
public static void main(String... args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
createAndShowGui();
}
});
}
public static void createAndShowGui() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
ex.printStackTrace();
}
JFrame frame = new JFrame("BreadcrumbList");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(new MainPanel());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
// https://ateraimemo.com/Swing/ToggleButtonBar.html
class ArrowToggleButtonBarCellIcon implements Icon {
public static final int TH = 10; // The height of a triangle
private static final int HEIGHT = TH * 2 + 1;
private static final int WIDTH = 100;
private Shape shape;
public Shape getShape() {
return shape;
}
protected Shape makeShape(Container parent, Component c, int x, int y) {
int w = c.getWidth() - 1;
int h = c.getHeight() - 1;
int h2 = (int) (h * .5 + .5);
int w2 = TH;
Path2D p = new Path2D.Double();
p.moveTo(0, 0);
p.lineTo(w - w2, 0);
p.lineTo(w, h2);
p.lineTo(w - w2, h);
p.lineTo(0, h);
if (c != parent.getComponent(0)) {
p.lineTo(w2, h2);
}
p.closePath();
return AffineTransform.getTranslateInstance(x, y).createTransformedShape(p);
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
Container parent = c.getParent();
if (Objects.isNull(parent)) {
return;
}
shape = makeShape(parent, c, x, y);
Color bgc = parent.getBackground();
Color borderColor = Color.GRAY.brighter();
if (c instanceof AbstractButton) {
ButtonModel m = ((AbstractButton) c).getModel();
if (m.isSelected() || m.isRollover()) {
bgc = c.getBackground();
borderColor = Color.GRAY;
}
}
Graphics2D g2 = (Graphics2D) g.create();
g2.setPaint(bgc);
g2.fill(shape);
g2.setPaint(borderColor);
g2.draw(shape);
g2.dispose();
}
@Override
public int getIconWidth() {
return WIDTH;
}
@Override
public int getIconHeight() {
return HEIGHT;
}
}
class BreadcrumbLayerUI extends LayerUI {
private Shape shape;
@Override
public void paint(Graphics g, JComponent c) {
super.paint(g, c);
Optional.ofNullable(shape).ifPresent(s -> {
Graphics2D g2 = (Graphics2D) g.create();
// g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.setPaint(Color.GRAY);
g2.draw(shape);
g2.dispose();
});
}
@Override
public void installUI(JComponent c) {
super.installUI(c);
if (c instanceof JLayer) {
((JLayer) c).setLayerEventMask(AWTEvent.MOUSE_EVENT_MASK | AWTEvent.MOUSE_MOTION_EVENT_MASK);
}
}
@Override
public void uninstallUI(JComponent c) {
if (c instanceof JLayer) {
((JLayer) c).setLayerEventMask(0);
}
super.uninstallUI(c);
}
private void update(MouseEvent e, JLayer l) {
Shape s = null;
switch (e.getID()) {
case MouseEvent.MOUSE_ENTERED:
case MouseEvent.MOUSE_MOVED:
Component c = e.getComponent();
if (c instanceof AbstractButton) {
AbstractButton b = (AbstractButton) c;
if (b.getIcon() instanceof ArrowToggleButtonBarCellIcon) {
ArrowToggleButtonBarCellIcon icon = (ArrowToggleButtonBarCellIcon) b.getIcon();
Rectangle r = c.getBounds();
AffineTransform at = AffineTransform.getTranslateInstance(r.x, r.y);
s = at.createTransformedShape(icon.getShape());
}
}
break;
default:
break;
}
if (!Objects.equals(s, shape)) {
shape = s;
l.getView().repaint();
}
}
@Override
protected void processMouseEvent(MouseEvent e, JLayer l) {
update(e, l);
}
@Override
protected void processMouseMotionEvent(MouseEvent e, JLayer l) {
update(e, l);
}
}
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