1 files changed, 133 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/FontMetrics.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/FontMetrics.java
new file mode 100644
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+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/graphics/FontMetrics.java
@@ -0,0 +1,133 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2008 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.graphics;
+
+
+/**
+ * Instances of this class provide measurement information
+ * about fonts including ascent, descent, height, leading
+ * space between rows, and average character width.
+ * <code>FontMetrics</code> are obtained from <code>GC</code>s
+ * using the <code>getFontMetrics()</code> method.
+ *
+ * @see GC#getFontMetrics
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ */
+public final class FontMetrics {
+	int ascent, descent, averageCharWidth, leading, height;
+
+FontMetrics() {
+}
+
+/**
+ * Compares the argument to the receiver, and returns true
+ * if they represent the <em>same</em> object using a class
+ * specific comparison.
+ *
+ * @param object the object to compare with this object
+ * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise
+ *
+ * @see #hashCode
+ */
+public boolean equals (Object object) {
+	if (object == this) return true;
+	if (!(object instanceof FontMetrics)) return false;
+	FontMetrics metrics = (FontMetrics)object;
+	return ascent == metrics.ascent && descent == metrics.descent &&
+		averageCharWidth == metrics.averageCharWidth && leading == metrics.leading &&
+		height == metrics.height;
+}
+
+/**
+ * Returns the ascent of the font described by the receiver. A
+ * font's <em>ascent</em> is the distance from the baseline to the 
+ * top of actual characters, not including any of the leading area,
+ * measured in pixels.
+ *
+ * @return the ascent of the font
+ */
+public int getAscent() {
+	return ascent;
+}
+
+/**
+ * Returns the average character width, measured in pixels,
+ * of the font described by the receiver.
+ *
+ * @return the average character width of the font
+ */
+public int getAverageCharWidth() {
+	return averageCharWidth;
+}
+
+/**
+ * Returns the descent of the font described by the receiver. A
+ * font's <em>descent</em> is the distance from the baseline to the
+ * bottom of actual characters, not including any of the leading area,
+ * measured in pixels.
+ *
+ * @return the descent of the font
+ */
+public int getDescent() {
+	return descent;
+}
+
+/**
+ * Returns the height of the font described by the receiver, 
+ * measured in pixels. A font's <em>height</em> is the sum of
+ * its ascent, descent and leading area.
+ *
+ * @return the height of the font
+ *
+ * @see #getAscent
+ * @see #getDescent
+ * @see #getLeading
+ */
+public int getHeight() {
+	return height;
+}
+
+/**
+ * Returns the leading area of the font described by the
+ * receiver. A font's <em>leading area</em> is the space
+ * above its ascent which may include accents or other marks.
+ *
+ * @return the leading space of the font
+ */
+public int getLeading() {
+	return leading;
+}
+
+public static FontMetrics gtk_new(int ascent, int descent, int averageCharWidth, int leading, int height) {
+	FontMetrics fontMetrics = new FontMetrics();
+	fontMetrics.ascent = ascent;
+	fontMetrics.descent = descent;
+	fontMetrics.averageCharWidth = averageCharWidth;
+	fontMetrics.leading = leading;
+	fontMetrics.height = height;
+	return fontMetrics;
+}
+
+/**
+ * Returns an integer hash code for the receiver. Any two 
+ * objects that return <code>true</code> when passed to 
+ * <code>equals</code> must return the same value for this
+ * method.
+ *
+ * @return the receiver's hash
+ *
+ * @see #equals
+ */
+public int hashCode() {
+	return ascent ^ descent ^ averageCharWidth ^ leading ^ height;
+}
+
+}