2
|
1 |
/*
|
5506
|
2 |
* Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
|
2
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
4 |
*
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
5506
|
7 |
* published by the Free Software Foundation. Oracle designates this
|
2
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
5506
|
9 |
* by Oracle in the LICENSE file that accompanied this code.
|
2
|
10 |
*
|
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
15 |
* accompanied this code).
|
|
16 |
*
|
|
17 |
* You should have received a copy of the GNU General Public License version
|
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
20 |
*
|
5506
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
22 |
* or visit www.oracle.com if you need additional information or have any
|
|
23 |
* questions.
|
2
|
24 |
*/
|
|
25 |
package javax.swing.border;
|
|
26 |
|
|
27 |
import java.awt.Graphics;
|
|
28 |
import java.awt.Insets;
|
|
29 |
import java.awt.Color;
|
|
30 |
import java.awt.Component;
|
|
31 |
import java.awt.Graphics2D;
|
|
32 |
import java.awt.Shape;
|
|
33 |
import java.awt.geom.Path2D;
|
|
34 |
import java.awt.geom.Rectangle2D;
|
|
35 |
import java.awt.geom.RoundRectangle2D;
|
|
36 |
import java.beans.ConstructorProperties;
|
|
37 |
|
|
38 |
/**
|
|
39 |
* A class which implements a line border of arbitrary thickness
|
|
40 |
* and of a single color.
|
|
41 |
* <p>
|
|
42 |
* <strong>Warning:</strong>
|
|
43 |
* Serialized objects of this class will not be compatible with
|
|
44 |
* future Swing releases. The current serialization support is
|
|
45 |
* appropriate for short term storage or RMI between applications running
|
|
46 |
* the same version of Swing. As of 1.4, support for long term storage
|
|
47 |
* of all JavaBeans<sup><font size="-2">TM</font></sup>
|
|
48 |
* has been added to the <code>java.beans</code> package.
|
|
49 |
* Please see {@link java.beans.XMLEncoder}.
|
|
50 |
*
|
|
51 |
* @author David Kloba
|
|
52 |
*/
|
|
53 |
public class LineBorder extends AbstractBorder
|
|
54 |
{
|
|
55 |
private static Border blackLine;
|
|
56 |
private static Border grayLine;
|
|
57 |
|
|
58 |
protected int thickness;
|
|
59 |
protected Color lineColor;
|
|
60 |
protected boolean roundedCorners;
|
|
61 |
|
|
62 |
/** Convenience method for getting the Color.black LineBorder of thickness 1.
|
|
63 |
*/
|
|
64 |
public static Border createBlackLineBorder() {
|
|
65 |
if (blackLine == null) {
|
|
66 |
blackLine = new LineBorder(Color.black, 1);
|
|
67 |
}
|
|
68 |
return blackLine;
|
|
69 |
}
|
|
70 |
|
|
71 |
/** Convenience method for getting the Color.gray LineBorder of thickness 1.
|
|
72 |
*/
|
|
73 |
public static Border createGrayLineBorder() {
|
|
74 |
if (grayLine == null) {
|
|
75 |
grayLine = new LineBorder(Color.gray, 1);
|
|
76 |
}
|
|
77 |
return grayLine;
|
|
78 |
}
|
|
79 |
|
|
80 |
/**
|
|
81 |
* Creates a line border with the specified color and a
|
|
82 |
* thickness = 1.
|
|
83 |
* @param color the color for the border
|
|
84 |
*/
|
|
85 |
public LineBorder(Color color) {
|
|
86 |
this(color, 1, false);
|
|
87 |
}
|
|
88 |
|
|
89 |
/**
|
|
90 |
* Creates a line border with the specified color and thickness.
|
|
91 |
* @param color the color of the border
|
|
92 |
* @param thickness the thickness of the border
|
|
93 |
*/
|
|
94 |
public LineBorder(Color color, int thickness) {
|
|
95 |
this(color, thickness, false);
|
|
96 |
}
|
|
97 |
|
|
98 |
/**
|
|
99 |
* Creates a line border with the specified color, thickness,
|
|
100 |
* and corner shape.
|
|
101 |
* @param color the color of the border
|
|
102 |
* @param thickness the thickness of the border
|
|
103 |
* @param roundedCorners whether or not border corners should be round
|
|
104 |
* @since 1.3
|
|
105 |
*/
|
|
106 |
@ConstructorProperties({"lineColor", "thickness", "roundedCorners"})
|
|
107 |
public LineBorder(Color color, int thickness, boolean roundedCorners) {
|
|
108 |
lineColor = color;
|
|
109 |
this.thickness = thickness;
|
|
110 |
this.roundedCorners = roundedCorners;
|
|
111 |
}
|
|
112 |
|
|
113 |
/**
|
|
114 |
* Paints the border for the specified component with the
|
|
115 |
* specified position and size.
|
|
116 |
* @param c the component for which this border is being painted
|
|
117 |
* @param g the paint graphics
|
|
118 |
* @param x the x position of the painted border
|
|
119 |
* @param y the y position of the painted border
|
|
120 |
* @param width the width of the painted border
|
|
121 |
* @param height the height of the painted border
|
|
122 |
*/
|
|
123 |
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
|
|
124 |
if ((this.thickness > 0) && (g instanceof Graphics2D)) {
|
|
125 |
Graphics2D g2d = (Graphics2D) g;
|
|
126 |
|
|
127 |
Color oldColor = g2d.getColor();
|
|
128 |
g2d.setColor(this.lineColor);
|
|
129 |
|
|
130 |
Shape outer;
|
|
131 |
Shape inner;
|
|
132 |
|
|
133 |
int offs = this.thickness;
|
|
134 |
int size = offs + offs;
|
|
135 |
if (this.roundedCorners) {
|
|
136 |
int arc = offs + size;
|
|
137 |
outer = new RoundRectangle2D.Float(x, y, width, height, arc, arc);
|
|
138 |
inner = new RoundRectangle2D.Float(x + offs, y + offs, width - size, height - size, arc, arc);
|
|
139 |
}
|
|
140 |
else {
|
|
141 |
outer = new Rectangle2D.Float(x, y, width, height);
|
|
142 |
inner = new Rectangle2D.Float(x + offs, y + offs, width - size, height - size);
|
|
143 |
}
|
|
144 |
Path2D path = new Path2D.Float(Path2D.WIND_EVEN_ODD);
|
|
145 |
path.append(outer, false);
|
|
146 |
path.append(inner, false);
|
|
147 |
g2d.fill(path);
|
|
148 |
g2d.setColor(oldColor);
|
|
149 |
}
|
|
150 |
}
|
|
151 |
|
|
152 |
/**
|
|
153 |
* Reinitialize the insets parameter with this Border's current Insets.
|
|
154 |
* @param c the component for which this border insets value applies
|
|
155 |
* @param insets the object to be reinitialized
|
|
156 |
*/
|
|
157 |
public Insets getBorderInsets(Component c, Insets insets) {
|
|
158 |
insets.set(thickness, thickness, thickness, thickness);
|
|
159 |
return insets;
|
|
160 |
}
|
|
161 |
|
|
162 |
/**
|
|
163 |
* Returns the color of the border.
|
|
164 |
*/
|
|
165 |
public Color getLineColor() {
|
|
166 |
return lineColor;
|
|
167 |
}
|
|
168 |
|
|
169 |
/**
|
|
170 |
* Returns the thickness of the border.
|
|
171 |
*/
|
|
172 |
public int getThickness() {
|
|
173 |
return thickness;
|
|
174 |
}
|
|
175 |
|
|
176 |
/**
|
|
177 |
* Returns whether this border will be drawn with rounded corners.
|
|
178 |
* @since 1.3
|
|
179 |
*/
|
|
180 |
public boolean getRoundedCorners() {
|
|
181 |
return roundedCorners;
|
|
182 |
}
|
|
183 |
|
|
184 |
/**
|
|
185 |
* Returns whether or not the border is opaque.
|
|
186 |
*/
|
|
187 |
public boolean isBorderOpaque() {
|
|
188 |
return !roundedCorners;
|
|
189 |
}
|
|
190 |
|
|
191 |
}
|