Mercurial > projects > dwt-mac

annotate dwt/graphics/FontMetrics.d @ 45:d8635bb48c7c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge with SWT 3.5
author Jacob Carlborg <doob@me.com>
date Mon, 01 Dec 2008 17:07:00 +0100
parents 5123b17c98ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 34
diff changeset
1 /*******************************************************************************
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 34
diff changeset
2 * Copyright (c) 2000, 2008 IBM Corporation and others.
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
3 * All rights reserved. This program and the accompanying materials
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
4 * are made available under the terms of the Eclipse Public License v1.0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
5 * which accompanies this distribution, and is available at
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
6 * http://www.eclipse.org/legal/epl-v10.html
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
7 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
8 * Contributors:
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
9 * IBM Corporation - initial API and implementation
34
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 8
diff changeset
10 *
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 8
diff changeset
11 * Port to the D programming language:
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 34
diff changeset
12 * Jacob Carlborg <doob@me.com>
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
13 *******************************************************************************/
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
14 module dwt.graphics.FontMetrics;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
15
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
16 import dwt.dwthelper.utils;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
17
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
18
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
19 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
20 * Instances of this class provide measurement information
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
21 * about fonts including ascent, descent, height, leading
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
22 * space between rows, and average character width.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
23 * <code>FontMetrics</code> are obtained from <code>GC</code>s
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
24 * using the <code>getFontMetrics()</code> method.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
25 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
26 * @see GC#getFontMetrics
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 34
diff changeset
27 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
28 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
29 public final class FontMetrics {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
30 int ascent, descent, averageCharWidth, leading, height;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
31
5
1a8b3cb347e0 Fix Ctors to 'this'
Frank Benoit <benoit@tionex.de>
parents: 0
diff changeset
32 this() {
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
33 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
34
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
35 public static FontMetrics cocoa_new(int ascent, int descent, int averageCharWidth, int leading, int height) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
36 FontMetrics fontMetrics = new FontMetrics();
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
37 fontMetrics.ascent = ascent;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
38 fontMetrics.descent = descent;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
39 fontMetrics.averageCharWidth = averageCharWidth;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
40 fontMetrics.leading = leading;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
41 fontMetrics.height = height;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
42 return fontMetrics;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
43 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
44
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
45 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
46 * Compares the argument to the receiver, and returns true
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
47 * if they represent the <em>same</em> object using a class
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
48 * specific comparison.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
49 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
50 * @param object the object to compare with this object
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
51 * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
52 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
53 * @see #hashCode
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
54 */
34
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 8
diff changeset
55 public int opEquals (Object object) {
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
56 if (object is this) return true;
8
a9ab4c738ed8 Fix: instanceof
Frank Benoit <benoit@tionex.de>
parents: 7
diff changeset
57 if (!( null !is cast(FontMetrics)object )) return false;
7
e831403a80a9 Add 'cast' to casts
Frank Benoit <benoit@tionex.de>
parents: 5
diff changeset
58 FontMetrics metrics = cast(FontMetrics)object;
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
59 return ascent is metrics.ascent && descent is metrics.descent &&
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
60 averageCharWidth is metrics.averageCharWidth && leading is metrics.leading &&
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
61 height is metrics.height;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
62 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
63
34
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 8
diff changeset
64 alias opEquals equals;
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 8
diff changeset
65
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
66 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
67 * Returns the ascent of the font described by the receiver. A
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
68 * font's <em>ascent</em> is the distance from the baseline to the
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
69 * top of actual characters, not including any of the leading area,
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
70 * measured in pixels.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
71 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
72 * @return the ascent of the font
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
73 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
74 public int getAscent() {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
75 return ascent;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
76 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
77
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
78 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
79 * Returns the average character width, measured in pixels,
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
80 * of the font described by the receiver.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
81 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
82 * @return the average character width of the font
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
83 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
84 public int getAverageCharWidth() {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
85 return averageCharWidth;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
86 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
87
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
88 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
89 * Returns the descent of the font described by the receiver. A
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
90 * font's <em>descent</em> is the distance from the baseline to the
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
91 * bottom of actual characters, not including any of the leading area,
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
92 * measured in pixels.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
93 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
94 * @return the descent of the font
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
95 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
96 public int getDescent() {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
97 return descent;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
98 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
99
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
100 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
101 * Returns the height of the font described by the receiver,
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
102 * measured in pixels. A font's <em>height</em> is the sum of
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
103 * its ascent, descent and leading area.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
104 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
105 * @return the height of the font
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
106 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
107 * @see #getAscent
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
108 * @see #getDescent
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
109 * @see #getLeading
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
110 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
111 public int getHeight() {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
112 return height;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
113 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
114
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
115 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
116 * Returns the leading area of the font described by the
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
117 * receiver. A font's <em>leading area</em> is the space
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
118 * above its ascent which may include accents or other marks.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
119 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
120 * @return the leading space of the font
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
121 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
122 public int getLeading() {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
123 return leading;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
124 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
125
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
126 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
127 * Returns an integer hash code for the receiver. Any two
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
128 * objects that return <code>true</code> when passed to
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
129 * <code>equals</code> must return the same value for this
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
130 * method.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
131 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
132 * @return the receiver's hash
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
133 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
134 * @see #equals
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
135 */
34
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 8
diff changeset
136 public hash_t toHash() {
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
137 return ascent ^ descent ^ averageCharWidth ^ leading ^ height;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
138 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
139
34
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 8
diff changeset
140 alias toHash hashCode;
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 8
diff changeset
141
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
142 }