| /* |
| * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package com.sun.swingset3.demos.spinner; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| |
| /** |
| * @author Mikhail Lapshin |
| */ |
| public class JPaletteShower extends JComponent { |
| |
| private Palette palette; |
| |
| public JPaletteShower(Palette palette, int width, int height) { |
| setPreferredSize(new Dimension(width, height)); |
| setMinimumSize(new Dimension(width, height)); |
| this.palette = palette; |
| } |
| |
| @Override |
| protected void paintComponent(Graphics g) { |
| super.paintComponent(g); |
| int w = getSize().width; |
| int h = getSize().height; |
| int maxIndex = palette.getSize() - 1; |
| double rate = (double) maxIndex / w; |
| for (int x = 0; x < w; x++) { |
| g.setColor(palette.getColor((int) (x * rate))); |
| g.fillRect(x, 0, 1, h); |
| } |
| } |
| |
| public Palette getPalette() { |
| return palette; |
| } |
| |
| public void setPalette(Palette palette) { |
| this.palette = palette; |
| repaint(); |
| } |
| } |
