1 /*
2 *
3 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * - Neither the name of Oracle nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
21 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 package java2d.demos.Paint;
33
34
35 import static java.awt.Color.black;
36 import static java.awt.Color.blue;
37 import static java.awt.Color.cyan;
38 import static java.awt.Color.green;
39 import static java.awt.Color.lightGray;
40 import static java.awt.Color.magenta;
41 import static java.awt.Color.orange;
42 import static java.awt.Color.red;
43 import static java.awt.Color.white;
44 import static java.awt.Color.yellow;
45 import java.awt.Color;
46 import java.awt.Component;
47 import java.awt.Dimension;
48 import java.awt.Font;
49 import java.awt.GradientPaint;
50 import java.awt.Graphics;
51 import java.awt.Graphics2D;
52 import java.awt.event.ActionEvent;
53 import java.awt.event.ActionListener;
54 import java.awt.font.TextLayout;
55 import java2d.ControlsSurface;
56 import java2d.CustomControls;
57 import javax.swing.Icon;
58 import javax.swing.JMenu;
59 import javax.swing.JMenuBar;
60 import javax.swing.JMenuItem;
61
62
63 @SuppressWarnings("serial")
64 public class Gradient extends ControlsSurface {
65
66 protected Color innerC, outerC;
67
68 public Gradient() {
69 setBackground(white);
70 innerC = green;
71 outerC = blue;
72 setControls(new Component[] { new DemoControls(this) });
73 }
74
75 @Override
76 public void render(int w, int h, Graphics2D g2) {
77
78 int w2 = w / 2;
79 int h2 = h / 2;
80 g2.setPaint(new GradientPaint(0, 0, outerC, w * .35f, h * .35f, innerC));
81 g2.fillRect(0, 0, w2, h2);
82 g2.setPaint(new GradientPaint(w, 0, outerC, w * .65f, h * .35f, innerC));
83 g2.fillRect(w2, 0, w2, h2);
84 g2.setPaint(new GradientPaint(0, h, outerC, w * .35f, h * .65f, innerC));
85 g2.fillRect(0, h2, w2, h2);
86 g2.setPaint(new GradientPaint(w, h, outerC, w * .65f, h * .65f, innerC));
87 g2.fillRect(w2, h2, w2, h2);
88
89 g2.setColor(black);
90 TextLayout tl = new TextLayout(
91 "GradientPaint", g2.getFont(), g2.getFontRenderContext());
92 tl.draw(g2, (int) (w / 2 - tl.getBounds().getWidth() / 2),
93 (int) (h / 2 + tl.getBounds().getHeight() / 2));
94 }
95
96 public static void main(String s[]) {
97 createDemoFrame(new Gradient());
98 }
99
100
101 static class DemoControls extends CustomControls implements ActionListener {
102
103 Gradient demo;
104 Color colors[] = { red, orange, yellow, green, blue, lightGray, cyan,
105 magenta };
106 String colorName[] = { "Red", "Orange", "Yellow", "Green",
107 "Blue", "lightGray", "Cyan", "Magenta" };
108 JMenuItem innerMI[] = new JMenuItem[colors.length];
109 JMenuItem outerMI[] = new JMenuItem[colors.length];
110 ColoredSquare squares[] = new ColoredSquare[colors.length];
111 JMenu imenu, omenu;
112
113 @SuppressWarnings("LeakingThisInConstructor")
114 public DemoControls(Gradient demo) {
115 super(demo.name);
116 this.demo = demo;
117 JMenuBar inMenuBar = new JMenuBar();
118 add(inMenuBar);
119 JMenuBar outMenuBar = new JMenuBar();
120 add(outMenuBar);
121 Font font = new Font(Font.SERIF, Font.PLAIN, 10);
122
123 imenu = inMenuBar.add(new JMenu("Inner Color"));
124 imenu.setFont(font);
125 imenu.setIcon(new ColoredSquare(demo.innerC));
126 omenu = outMenuBar.add(new JMenu("Outer Color"));
127 omenu.setFont(font);
128 omenu.setIcon(new ColoredSquare(demo.outerC));
129 for (int i = 0; i < colors.length; i++) {
130 squares[i] = new ColoredSquare(colors[i]);
131 innerMI[i] = imenu.add(new JMenuItem(colorName[i]));
132 innerMI[i].setFont(font);
133 innerMI[i].setIcon(squares[i]);
134 innerMI[i].addActionListener(this);
135 outerMI[i] = omenu.add(new JMenuItem(colorName[i]));
136 outerMI[i].setFont(font);
137 outerMI[i].setIcon(squares[i]);
138 outerMI[i].addActionListener(this);
139 }
140 }
141
142 @Override
143 public void actionPerformed(ActionEvent e) {
144 for (int i = 0; i < colors.length; i++) {
145 if (e.getSource().equals(innerMI[i])) {
146 demo.innerC = colors[i];
147 imenu.setIcon(squares[i]);
148 break;
149 } else if (e.getSource().equals(outerMI[i])) {
150 demo.outerC = colors[i];
151 omenu.setIcon(squares[i]);
152 break;
153 }
154 }
155 demo.repaint();
156 }
157
158 @Override
159 public Dimension getPreferredSize() {
160 return new Dimension(200, 37);
161 }
162
163 @Override
164 @SuppressWarnings("SleepWhileHoldingLock")
165 public void run() {
166 // goto double buffering
167 if (demo.getImageType() <= 1) {
168 demo.setImageType(2);
169 }
170 Thread me = Thread.currentThread();
171 while (thread == me) {
172 for (int i = 0; i < innerMI.length; i++) {
173 if (i != 4) {
174 try {
175 Thread.sleep(4444);
176 } catch (InterruptedException e) {
177 return;
178 }
179 innerMI[i].doClick();
180 }
181 }
182 }
183 thread = null;
184 }
185
186
187 class ColoredSquare implements Icon {
188
189 Color color;
190
191 public ColoredSquare(Color c) {
192 this.color = c;
193 }
194
195 @Override
196 public void paintIcon(Component c, Graphics g, int x, int y) {
197 Color oldColor = g.getColor();
198 g.setColor(color);
199 g.fill3DRect(x, y, getIconWidth(), getIconHeight(), true);
200 g.setColor(oldColor);
201 }
202
203 @Override
204 public int getIconWidth() {
205 return 12;
206 }
207
208 @Override
209 public int getIconHeight() {
210 return 12;
211 }
212 } // End ColoredSquare class
213 } // End DemoControls
214 } // End Gradient class
215