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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/graphics/FontMetrics.java')
-rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/graphics/FontMetrics.java | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/graphics/FontMetrics.java b/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/graphics/FontMetrics.java deleted file mode 100755 index d21e6e4d60..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/graphics/FontMetrics.java +++ /dev/null @@ -1,174 +0,0 @@ -/******************************************************************************* - * 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; - - -import org.eclipse.swt.internal.photon.*; - -/** - * 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 { - - /** - * On Windows, handle is a Win32 TEXTMETRIC struct - * On Photon, handle is a Photon FontQueryInfo struct - * (Warning: This field is platform dependent) - * <p> - * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT - * public API. It is marked public only so that it can be shared - * within the packages provided by SWT. It is not available on all - * platforms and should never be accessed from application code. - * </p> - */ - public FontQueryInfo handle; - -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; - FontQueryInfo info = ((FontMetrics)object).handle; - if (info == handle) return true; - if (info == null || handle == null) return false; - if (handle.size == info.size && - handle.style == info.style && - handle.ascender == info.ascender && - handle.descender == info.descender && - handle.width == info.width && - handle.lochar == info.lochar && - handle.hichar == info.hichar && - handle.desc.length == info.desc.length && - handle.font.length == info.font.length) - { - for (int i = handle.desc.length - 1; i >= 0; i--) { - if (handle.desc[i] != info.desc[i]) return false; - } - for (int i = handle.font.length - 1; i >= 0; i--) { - if (handle.font[i] != info.font[i]) return false; - } - return true; - } - return false; -} - -/** - * 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 -handle.ascender; -} - -/** - * 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() { - if ((handle.style & OS.PHFONT_INFO_FIXED) != 0) return handle.width; - return handle.width / 3; -} - -/** - * 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 handle.descender; -} - -/** - * 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 -handle.ascender + handle.descender; -} - -/** - * 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 0; -} - -/** - * 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() { - if (handle == null) return 0; - return handle.size ^ handle.style ^ handle.ascender ^ - handle.descender ^ handle.width ^ - handle.lochar ^ handle.hichar ^ handle.font.hashCode() ^ - handle.desc.hashCode(); -} - -public static FontMetrics internal_new(int ascent, int descent, int aveCharWidth, int leading, int height) { - FontQueryInfo info = new FontQueryInfo(); - info.ascender = (short)-ascent; - info.descender = (short)descent; - info.style = OS.PHFONT_INFO_FIXED; - info.width = (short)aveCharWidth; - return photon_new(info); -} - -public static FontMetrics photon_new(FontQueryInfo handle) { - FontMetrics fontMetrics = new FontMetrics(); - fontMetrics.handle = handle; - return fontMetrics; -} -} |