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comparison agent/src/share/classes/sun/jvm/hotspot/ui/Annotation.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2000-2003 Sun Microsystems, Inc. All Rights Reserved.
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.ui;
26
27 import java.awt.*;
28 import java.awt.font.*;
29 import java.awt.geom.*;
30 import java.util.*;
31
32 import sun.jvm.hotspot.debugger.*;
33 import sun.jvm.hotspot.utilities.*;
34
35 /** This can be extended, along with AnnotatedMemoryPanel, to be an
36 arbitrarily complex mechanism, supporting user interaction,
37 etc. */
38
39 public class Annotation {
40 private Interval interval;
41 // List<String>
42 private java.util.List strings;
43 // List<Integer>
44 private java.util.List heights;
45 private Color baseColor;
46 private int width;
47 private int height;
48 private int x;
49 private int y;
50
51 /** The Annotation can handle the sense of lowAddress and
52 highAddress being swapped. */
53 public Annotation(Address lowAddress,
54 Address highAddress,
55 String s) {
56 strings = new ArrayList();
57 heights = new ArrayList();
58 for (StringTokenizer tok = new StringTokenizer(s, "\n"); tok.hasMoreTokens(); ) {
59 strings.add(tok.nextToken());
60 }
61 if (AddressOps.lessThan(highAddress, lowAddress)) {
62 Address temp = lowAddress;
63 lowAddress = highAddress;
64 highAddress = temp;
65 }
66 interval = new Interval(lowAddress, highAddress);
67 }
68
69 public Interval getInterval() {
70 return interval;
71 }
72
73 public Address getLowAddress() {
74 return (Address) getInterval().getLowEndpoint();
75 }
76
77 public Address getHighAddress() {
78 return (Address) getInterval().getHighEndpoint();
79 }
80
81 /** Draw the annotation at its current (x, y) position with its
82 current color */
83 public void draw(Graphics g) {
84 g.setColor(baseColor);
85 int tmpY = y;
86 for (int i = 0; i < strings.size(); i++) {
87 String s = (String) strings.get(i);
88 Integer h = (Integer) heights.get(i);
89 g.drawString(s, x, tmpY);
90 tmpY += h.intValue();
91 }
92 }
93
94 /** Sets the base color of this annotation. The annotation may
95 render sub-portions in a different color if desired. */
96 public void setColor(Color c) {
97 this.baseColor = c;
98 }
99
100 /** Returns the base color of this annotation. */
101 public Color getColor() {
102 return baseColor;
103 }
104
105 /** Computes width and height for this Annotation. Retrieve the
106 computed information using getWidth() and getHeight(). Separated
107 because the width and height only need to be recomputed if the
108 font changes. */
109 public void computeWidthAndHeight(Graphics g) {
110 width = 0;
111 height = 0;
112 heights.clear();
113 for (Iterator iter = strings.iterator(); iter.hasNext(); ) {
114 String s = (String) iter.next();
115 Rectangle2D bounds = GraphicsUtilities.getStringBounds(s, g);
116 width = Math.max(width, (int) bounds.getWidth());
117 height += (int) bounds.getHeight();
118 heights.add(new Integer((int) bounds.getHeight()));
119 }
120 }
121
122 public int getWidth() {
123 return width;
124 }
125
126 public int getHeight() {
127 return height;
128 }
129
130 /** Set the x and y position of this annotation */
131 public void setXAndY(int x, int y) {
132 this.x = x; this.y = y;
133 }
134
135 public void setX(int x) {
136 this.x = x;
137 }
138
139 public int getX() {
140 return x;
141 }
142
143 public void setY(int y) {
144 this.y = y;
145 }
146
147 public int getY() {
148 return y;
149 }
150
151 public Rectangle getBounds() {
152 return new Rectangle(x, y, width, height);
153 }
154 public String toString() {
155 String result = "Annotation: lowAddr: " + getLowAddress() + " highAddr: " + getHighAddress() + " strings: " + strings.size();
156 for (int i = 0; i < strings.size(); i++) {
157 result += "\n" + (String) strings.get(i);
158 }
159 return result;
160 }
161 }