Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ui/GraphicsUtilities.java @ 11997:cd25d3be91c5
8012144: multiple SIGSEGVs fails on staxf
Summary: Forward port of 7u change to add additional fence() on RMO platforms, with a load_acquire on all platforms
Reviewed-by: dholmes, kvn
author | vladidan |
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date | Tue, 06 Aug 2013 20:01:40 -0400 |
parents | c18cbe5936b8 |
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rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2004, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 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.Random; | |
31 import javax.swing.*; | |
32 import javax.swing.border.*; | |
33 | |
34 /** Useful utilities for drawing graphics */ | |
35 | |
36 public class GraphicsUtilities { | |
37 /** Returns a plain-styled 12-point version of the given font, or | |
38 null if the font could not be found */ | |
39 public static Font lookupFont(String fontName) { | |
40 Font[] allFonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts(); | |
41 Font font = null; | |
42 for (int i = 0; i < allFonts.length; i++) { | |
43 if (allFonts[i].getFontName().indexOf(fontName) != -1) { | |
44 font = allFonts[i]; | |
45 break; | |
46 } | |
47 } | |
48 if (font == null) { | |
49 return null; | |
50 } | |
51 return font.deriveFont(Font.PLAIN, 12); | |
52 } | |
53 | |
54 /** Compute the width and height of given string given the current | |
55 font context in the Graphics object */ | |
56 public static Rectangle2D getStringBounds(String s, Graphics g) { | |
57 FontMetrics fm = g.getFontMetrics(); | |
58 return fm.getStringBounds(s, 0, s.length(), g); | |
59 } | |
60 | |
61 /** Compute just the width of the given string with the given | |
62 FontMetrics. This is less accurate then getStringBounds(), | |
63 above, since the graphics context is not taken into account. */ | |
64 public static int getStringWidth(String s, FontMetrics fm) { | |
65 return fm.stringWidth(s); | |
66 } | |
67 | |
68 public static void reshapeToAspectRatio(Component component, | |
69 float aspectRatio, | |
70 float fillRatio, | |
71 Dimension containerDimension) { | |
72 int x = containerDimension.width; | |
73 int y = containerDimension.height; | |
74 | |
75 int desiredX; | |
76 int desiredY; | |
77 | |
78 if (((float) x / (float) y) > aspectRatio) { | |
79 desiredY = (int) (fillRatio * y); | |
80 desiredX = (int) (desiredY * aspectRatio); | |
81 } else { | |
82 desiredX = (int) (fillRatio * x); | |
83 desiredY = (int) (desiredX / aspectRatio); | |
84 } | |
85 component.setSize(desiredX, desiredY); | |
86 } | |
87 | |
88 public static void constrainToSize(Component component, Dimension containerDimension) { | |
89 Dimension d = component.getSize(); | |
90 int x = d.width; | |
91 int y = d.height; | |
92 boolean changed = false; | |
93 | |
94 if (x > containerDimension.width) { | |
95 x = containerDimension.width; | |
96 changed = true; | |
97 } | |
98 if (y > containerDimension.height) { | |
99 y = containerDimension.height; | |
100 changed = true; | |
101 } | |
102 | |
103 if (changed) { | |
104 component.setSize(x, y); | |
105 } | |
106 } | |
107 | |
108 public static void centerInContainer(Component c) { | |
109 centerInContainer(c, c.getParent().getSize()); | |
110 } | |
111 | |
112 public static void centerInContainer(Component component, | |
113 Dimension containerDimension) { | |
114 Dimension sz = component.getSize(); | |
115 int x = ((containerDimension.width - sz.width) / 2); | |
116 int y = ((containerDimension.height - sz.height) / 2); | |
117 component.setLocation(x, y); | |
118 } | |
119 | |
120 public static void moveToInContainer(Component component, | |
121 float relativeX, | |
122 float relativeY, | |
123 int minX, | |
124 int minY) { | |
125 Dimension d = component.getParent().getSize(); | |
126 // Move the center of this component to the relative position in | |
127 // the parent. Don't clip this component, however. | |
128 Dimension sz = component.getSize(); | |
129 int xPos = Math.min(d.width - sz.width, | |
130 (int) ((d.width * relativeX) - (sz.width / 2))); | |
131 int yPos = Math.min(d.height - sz.height, | |
132 (int) ((d.height * relativeY) - (sz.height / 2))); | |
133 xPos = Math.max(xPos, minX); | |
134 yPos = Math.max(yPos, minY); | |
135 component.setLocation(xPos, yPos); | |
136 } | |
137 | |
138 static Random random = new Random(); | |
139 | |
140 public static void randomLocation(Component c) { | |
141 randomLocation(c, c.getParent().getSize()); | |
142 } | |
143 | |
144 public static void randomLocation(Component component, | |
145 Dimension containerDimension) { | |
146 Dimension sz = component.getSize(); | |
147 int x = (int)((containerDimension.width - sz.width) * random.nextFloat()); | |
148 int y = (int)((containerDimension.height - sz.height) * random.nextFloat()); | |
149 component.setLocation(x, y); | |
150 } | |
151 | |
152 | |
153 public static Border newBorder(int size) { | |
154 return BorderFactory.createEmptyBorder(size, size, size, size); | |
155 } | |
156 } |