1 /*
2 *
3 * Copyright (c) 2007, 2018, 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.Clipping;
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.GRAY;
39 import static java.awt.Color.RED;
40 import static java.awt.Color.WHITE;
41 import static java.awt.Color.YELLOW;
42 import java.awt.BasicStroke;
43 import java.awt.Component;
44 import java.awt.Dimension;
45 import java.awt.Font;
46 import java.awt.GradientPaint;
47 import java.awt.Graphics2D;
48 import java.awt.Image;
49 import java.awt.Rectangle;
50 import java.awt.Shape;
51 import java.awt.TexturePaint;
52 import java.awt.event.ActionEvent;
53 import java.awt.event.ActionListener;
54 import java.awt.font.FontRenderContext;
55 import java.awt.font.TextLayout;
56 import java.awt.geom.AffineTransform;
57 import java.awt.geom.Line2D;
58 import java.awt.image.BufferedImage;
59 import java2d.ControlsSurface;
60 import java2d.CustomControls;
61 import javax.swing.AbstractButton;
62 import javax.swing.JToggleButton;
63 import javax.swing.JToolBar;
64
65
66 /**
67 * Clipping an image, lines, text, texture and gradient with text.
68 */
69 @SuppressWarnings("serial")
70 public class Text extends ControlsSurface {
71
72 /**
73 *
74 */
75 static Image img;
76 static TexturePaint texturePaint;
77
78 static {
79 BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
80 Graphics2D big = bi.createGraphics();
81 big.setBackground(YELLOW);
82 big.clearRect(0, 0, 5, 5);
83 big.setColor(RED);
84 big.fillRect(0, 0, 3, 3);
85 texturePaint = new TexturePaint(bi, new Rectangle(0, 0, 5, 5));
86 }
87 private String clipType = "Lines";
88 protected boolean doClip = true;
89
90 public Text() {
91 setBackground(WHITE);
92 img = getImage("clouds.jpg");
93 setControls(new Component[] { new DemoControls(this) });
94 }
95
96 @Override
97 public void render(int w, int h, Graphics2D g2) {
98
99 FontRenderContext frc = g2.getFontRenderContext();
100 Font f = new Font(Font.SANS_SERIF, Font.BOLD, 32);
101 String s = "JDK";
102 TextLayout tl = new TextLayout(s, f, frc);
103 double sw = tl.getBounds().getWidth();
104 double sh = tl.getBounds().getHeight();
105 double sx = (w - 40) / sw;
106 double sy = (h - 40) / sh;
107 AffineTransform Tx = AffineTransform.getScaleInstance(sx, sy);
108 Shape shape = tl.getOutline(Tx);
109 sw = shape.getBounds().getWidth();
110 sh = shape.getBounds().getHeight();
111 Tx =
112 AffineTransform.getTranslateInstance(w / 2 - sw / 2, h / 2 + sh
113 / 2);
114 shape = Tx.createTransformedShape(shape);
115 Rectangle r = shape.getBounds();
116
117 if (doClip) {
118 g2.clip(shape);
119 }
120
121 if (clipType.equals("Lines")) {
122 g2.setColor(BLACK);
123 g2.fill(r);
124 g2.setColor(YELLOW);
125 g2.setStroke(new BasicStroke(1.5f));
126 for (int j = r.y; j < r.y + r.height; j = j + 3) {
127 Line2D line = new Line2D.Float(r.x, j,
128 (r.x + r.width), j);
129 g2.draw(line);
130 }
131 } else if (clipType.equals("Image")) {
132 g2.drawImage(img, r.x, r.y, r.width, r.height, null);
133 } else if (clipType.equals("TP")) {
134 g2.setPaint(texturePaint);
135 g2.fill(r);
136 } else if (clipType.equals("GP")) {
137 g2.setPaint(new GradientPaint(0, 0, BLUE, w, h, YELLOW));
138 g2.fill(r);
139 } else if (clipType.equals("Text")) {
140 g2.setColor(BLACK);
141 g2.fill(shape.getBounds());
142 g2.setColor(CYAN);
143 f = new Font(Font.SERIF, Font.BOLD, 10);
144 tl = new TextLayout("OpenJDK", f, frc);
145 sw = tl.getBounds().getWidth();
146
147 int x = r.x;
148 int y = (int) (r.y + tl.getAscent());
149 sh = r.y + r.height;
150 while (y < sh) {
151 tl.draw(g2, x, y);
152 if ((x += (int) sw) > (r.x + r.width)) {
153 x = r.x;
154 y += (int) tl.getAscent();
155 }
156 }
157 }
158 g2.setClip(new Rectangle(0, 0, w, h));
159
160 g2.setColor(GRAY);
161 g2.draw(shape);
162 }
163
164 public static void main(String[] s) {
165 createDemoFrame(new Text());
166 }
167
168
169 @SuppressWarnings("serial")
170 static final class DemoControls extends CustomControls implements
171 ActionListener {
172
173 Text demo;
174 JToolBar toolbar;
175
176 public DemoControls(Text demo) {
177 super(demo.name);
178 this.demo = demo;
179 add(toolbar = new JToolBar());
180 toolbar.setFloatable(false);
181 addTool("Clip", true);
182 addTool("Lines", true);
183 addTool("Image", false);
184 addTool("TP", false);
185 addTool("GP", false);
186 addTool("Text", false);
187 }
188
189 public void addTool(String str, boolean state) {
190 JToggleButton b =
191 (JToggleButton) toolbar.add(new JToggleButton(str));
192 b.setFocusPainted(false);
193 b.setSelected(state);
194 b.addActionListener(this);
195 int width = b.getPreferredSize().width;
196 Dimension prefSize = new Dimension(width, 21);
197 b.setPreferredSize(prefSize);
198 b.setMaximumSize(prefSize);
199 b.setMinimumSize(prefSize);
200 }
201
202 @Override
203 public void actionPerformed(ActionEvent e) {
204 if (e.getSource().equals(toolbar.getComponentAtIndex(0))) {
205 JToggleButton b = (JToggleButton) e.getSource();
206 demo.doClip = b.isSelected();
207 } else {
208 for (Component comp : toolbar.getComponents()) {
209 ((JToggleButton) comp).setSelected(false);
210 }
211 JToggleButton b = (JToggleButton) e.getSource();
212 b.setSelected(true);
213 demo.clipType = b.getText();
214 }
215 demo.repaint();
216 }
217
218 @Override
219 public Dimension getPreferredSize() {
220 return new Dimension(200, 40);
221 }
222
223 @Override
224 @SuppressWarnings("SleepWhileHoldingLock")
225 public void run() {
226 try {
227 Thread.sleep(1111);
228 } catch (Exception e) {
229 return;
230 }
231 Thread me = Thread.currentThread();
232 while (thread == me) {
233 for (int i = 1; i < toolbar.getComponentCount() - 1; i++) {
234 ((AbstractButton) toolbar.getComponentAtIndex(i)).doClick();
235 try {
236 Thread.sleep(4444);
237 } catch (InterruptedException e) {
238 return;
239 }
240 }
241 }
242 thread = null;
243 }
244 } // End DemoControls
245 } // End Text
246