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Java > Open Source Codes > org > apache > batik > svggen > NegativeLengths


1 /*
2
3    Copyright 2001-2002 The Apache Software Foundation
4
5    Licensed under the Apache License, Version 2.0 (the "License");
6    you may not use this file except in compliance with the License.
7    You may obtain a copy of the License at
8
9        http://www.apache.org/licenses/LICENSE-2.0
10
11    Unless required by applicable law or agreed to in writing, software
12    distributed under the License is distributed on an "AS IS" BASIS,
13    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14    See the License for the specific language governing permissions and
15    limitations under the License.
16
17  */
18 package org.apache.batik.svggen;
19
20 import java.awt.*;
21 import java.awt.geom.*;
22
23 /**
24  * This test validates the convertion of Java 2D negative length values:<br />
25  * - On rectangles: a negative width or height makes the rectangle invisible.<br />
26  * - On rounded rectangles: a negative width or height makes the rectangle invisible.<br />
27  * - On ellipses: a negative width or height makes the ellipse invisible<br />
28  * - On 3D rect: a negative width *and* height makes the rectangle invisible. A
29  * negative width or height makes the rectangle display as a line.<br />
30  * The above behavior is that of the default Graphics2D implementations.
31  *
32  * @author <a HREF="mailto:vhardy@sun.com">Vincent Hardy</a>
33  * @version $Id: NegativeLengths.java,v 1.5 2004/08/18 07:16:45 vhardy Exp $
34  */
35 public class NegativeLengths implements Painter {
36     public void paint(Graphics2D g){
37         g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
38                            RenderingHints.VALUE_ANTIALIAS_ON);
39
40         g.setPaint(Color.black);
41
42         // Rectangle
43 g.drawString("Rectangle", 10, 20);
44
45         // w negative, h negative
46 Rectangle rect = new Rectangle(10, 30, -10, -8);
47         g.draw(rect);
48
49         // w negative, h zero
50 rect = new Rectangle(30, 30, -10, 0);
51         g.draw(rect);
52
53         // w negative, h positive
54 rect = new Rectangle(50, 30, -10, 8);
55         g.draw(rect);
56
57         // w zero, h negative
58 rect = new Rectangle(70, 30, 0, -8);
59         g.draw(rect);
60
61         // w zero, h zero
62 rect = new Rectangle(90, 30, 0, 0);
63         g.draw(rect);
64
65         // w zero, h positive
66 rect = new Rectangle(110, 30, 0, 8);
67         g.draw(rect);
68
69         // w positive, h negative
70 rect = new Rectangle(130, 30, 10, -8);
71         g.draw(rect);
72
73         // w positive, h zero
74 rect = new Rectangle(150, 30, 5, 0);
75         g.draw(rect);
76
77         // w positive, h positive
78 rect = new Rectangle(170, 30, 5, 8);
79         g.draw(rect);
80
81
82         g.translate(0, 35);
83         
84         //
85 // Round Rectangle
86 //
87 g.drawString("RoundRectangle2D", 10, 20);
88
89         // w negative, h negative
90 RoundRectangle2D rrect = new RoundRectangle2D.Double(10, 30, -10, -8, 2, 2);
91         g.draw(rrect);
92
93         // w negative, h zero
94 rrect = new RoundRectangle2D.Double(30, 30, -10, 0, 2, 2);
95         g.draw(rrect);
96
97         // w negative, h positive
98 rrect = new RoundRectangle2D.Double(50, 30, -10, 8, 2, 2);
99         g.draw(rrect);
100
101         // w zero, h negative
102 rrect = new RoundRectangle2D.Double(70, 30, 0, -8, 2, 2);
103         g.draw(rrect);
104
105         // w zero, h zero
106 rrect = new RoundRectangle2D.Double(90, 30, 0, 0, 2, 2);
107         g.draw(rrect);
108
109         // w zero, h positive
110 rrect = new RoundRectangle2D.Double(110, 30, 0, 8, 2, 2);
111         g.draw(rrect);
112
113         // w positive, h negative
114 rrect = new RoundRectangle2D.Double(130, 30, 5, -8, 2, 2);
115         g.draw(rrect);
116
117         // w positive, h zero
118 rrect = new RoundRectangle2D.Double(150, 30, 5, 0, 2, 2);
119         g.draw(rrect);
120
121         // w positive, h positive
122 rrect = new RoundRectangle2D.Double(170, 30, 5, 8, 2, 2);
123         g.draw(rrect);
124
125
126         g.translate(0, 35);
127
128         //
129 // Round Rectangle 2
130 //
131 g.drawString("RoundRectangle2D, negative radius", 10, 20);
132
133         // w negative, h negative
134 rrect = new RoundRectangle2D.Double(10, 30, -10, -8, -2, -2);
135         g.draw(rrect);
136
137         // w negative, h zero
138 rrect = new RoundRectangle2D.Double(30, 30, -10, 0, -2, -2);
139         g.draw(rrect);
140
141         // w negative, h positive
142 rrect = new RoundRectangle2D.Double(50, 30, -10, 8, -2, -2);
143         g.draw(rrect);
144
145         // w zero, h negative
146 rrect = new RoundRectangle2D.Double(70, 30, 0, -8, -2, -2);
147         g.draw(rrect);
148
149         // w zero, h zero
150 rrect = new RoundRectangle2D.Double(90, 30, 0, 0, -2, -2);
151         g.draw(rrect);
152
153         // w zero, h positive
154 rrect = new RoundRectangle2D.Double(110, 30, 0, 8, -2, -2);
155         g.draw(rrect);
156
157         // w positive, h negative
158 rrect = new RoundRectangle2D.Double(130, 30, 5, -8, -2, -2);
159         g.draw(rrect);
160
161         // w positive, h zero
162 rrect = new RoundRectangle2D.Double(150, 30, 5, 0, -2, -2);
163         g.draw(rrect);
164
165         // w positive, h positive
166 rrect = new RoundRectangle2D.Double(170, 30, 5, 8, -2, -2);
167         g.draw(rrect);
168         
169         g.translate(0, 35);
170
171         //
172 // Circle
173 //
174 g.drawString("Circle", 10, 20);
175
176         // w negative
177 Ellipse2D circle = new Ellipse2D.Double(10, 30, -10, -10);
178         g.draw(circle);
179
180         // w zero, h negative
181 circle = new Ellipse2D.Double(30, 30, 0, 0);
182         g.draw(circle);
183
184         // w positive, h negative
185 circle = new Ellipse2D.Double(50, 30, 5, 5);
186         g.draw(circle);
187
188         g.translate(0, 35);
189
190         //
191 // Ellipse
192 //
193 g.drawString("Ellipse", 10, 20);
194
195         // w negative, h negative
196 Ellipse2D ellipse = new Ellipse2D.Double(10, 30, -10, -8);
197         g.draw(ellipse);
198
199         // w negative, h zero
200 ellipse = new Ellipse2D.Double(30, 30, -10, 0);
201         g.draw(ellipse);
202
203         // w negative, h positive
204 ellipse = new Ellipse2D.Double(50, 30, -10, 8);
205         g.draw(ellipse);
206
207         // w zero, h negative
208 ellipse = new Ellipse2D.Double(70, 30, 0, -8);
209         g.draw(ellipse);
210
211         // w zero, h zero
212 ellipse = new Ellipse2D.Double(90, 30, 0, 0);
213         g.draw(ellipse);
214
215         // w zero, h positive
216 ellipse = new Ellipse2D.Double(110, 30, 0, 8);
217         g.draw(ellipse);
218
219         // w positive, h negative
220 ellipse = new Ellipse2D.Double(130, 30, 5, -8);
221         g.draw(ellipse);
222
223         // w positive, h zero
224 ellipse = new Ellipse2D.Double(150, 30, 5, 0);
225         g.draw(ellipse);
226
227         // w positive, h positive
228 ellipse = new Ellipse2D.Double(170, 30, 5, 8);
229         g.draw(ellipse);
230
231
232         g.translate(0, 35);
233
234         // 3D Rect
235 g.drawString("fill3Drect", 10, 20);
236
237         // w negative, h negative
238 g.setColor(new Color(192, 192, 192));
239         g.fill3DRect(10, 30, -10, -8, true);
240
241         // w negative, h zero
242 g.fill3DRect(30, 30, -10, 0, true);
243
244         // w negative, h positive
245 g.fill3DRect(50, 30, -10, 8, true);
246
247         // w zero, h negative
248 g.fill3DRect(70, 30, 0, -8, true);
249
250         // w zero, h zero
251 g.fill3DRect(90, 30, 0, 0, true);
252
253         // w zero, h positive
254 g.fill3DRect(110, 30, 0, 8, true);
255
256         // w positive, h negative
257 g.fill3DRect(130, 30, 5, -8, true);
258         
259         // w positive, h zero
260 g.fill3DRect(150, 30, 5, 0, true);
261         
262         // w positive, h positive
263 g.fill3DRect(170, 30, 5, 8, true);
264
265         g.translate(0, 40);
266
267         // Clip
268 rect = new Rectangle(10, 30, 10, -30);
269         g.setPaint(Color.gray);
270         g.fill(rect);
271         g.setPaint(Color.black);
272         g.clip(rect);
273         g.drawString("Hello There", 10, 25);
274     }
275 }
276
277
278
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