/******************************************************************************* * Copyright (c) 2000, 2004 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Common Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/cpl-v10.html *  * Contributors: *     IBM Corporation - initial API and implementation *******************************************************************************/package org.eclipse.swt.graphics;import org.eclipse.swt.internal.*;import org.eclipse.swt.internal.win32.*;import org.eclipse.swt.*;/** * Instances of this class describe operating system fonts. * <p> * For platform-independent behaviour, use the get and set methods * corresponding to the following properties: * <dl> * <dt>height</dt><dd>the height of the font in points</dd> * <dt>name</dt><dd>the face name of the font, which may include the foundry</dd> * <dt>style</dt><dd>A bitwise combination of NORMAL, ITALIC and BOLD</dd> * </dl> * If extra, platform-dependent functionality is required: * <ul> * <li>On <em>Windows</em>, the data member of the <code>FontData</code> * corresponds to a Windows <code>LOGFONT</code> structure whose fields * may be retrieved and modified.</li> * <li>On <em>X</em>, the fields of the <code>FontData</code> correspond * to the entries in the font's XLFD name and may be retrieved and modified. * </ul> * Application code does <em>not</em> need to explicitly release the * resources managed by each instance when those instances are no longer * required, and thus no <code>dispose()</code> method is provided. * * @see Font */public final class FontData {		/**	 * A Win32 LOGFONT struct	 * (Warning: This field is platform dependent)	 */	public LOGFONT data;		/**	 * The height of the font data in points	 * (Warning: This field is platform dependent)	 */	public int height;		/**	 * The locales of the font	 * (Warning: These fields are platform dependent)	 */	String lang, country, variant;	/**	  * Constructs a new un-initialized font data. */public FontData() {	data = OS.IsUnicode ? (LOGFONT)new LOGFONTW() : new LOGFONTA();	// We set the charset field so that	// wildcard searching will work properly	// out of the box	data.lfCharSet = (byte)OS.DEFAULT_CHARSET;	height = 12;}/** * Constructs a new font data given the Windows <code>LOGFONT</code> * that it should represent. *  * @param data the <code>LOGFONT</code> for the result */FontData(LOGFONT data, int height) {	this.data = data;	this.height = height;}/** * Constructs a new FontData given a string representation * in the form generated by the <code>FontData.toString</code> * method. * <p> * Note that the representation varies between platforms, * and a FontData can only be created from a string that was  * generated on the same platform. * </p> * * @param string the string representation of a <code>FontData</code> (must not be null) * * @exception IllegalArgumentException <ul> *    <li>ERROR_NULL_ARGUMENT - if the argument is null</li> *    <li>ERROR_INVALID_ARGUMENT - if the argument does not represent a valid description</li> * </ul> * * @see #toString */public FontData(String string) {	if (string == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);	int start = 0;	int end = string.indexOf('|');	if (end == -1) SWT.error(SWT.ERROR_INVALID_ARGUMENT);	String version1 = string.substring(start, end);	try {		if (Integer.parseInt(version1) != 1) SWT.error(SWT.ERROR_INVALID_ARGUMENT); 	} catch (NumberFormatException e) {		SWT.error(SWT.ERROR_INVALID_ARGUMENT);	}		start = end + 1;	end = string.indexOf('|', start);	if (end == -1) SWT.error(SWT.ERROR_INVALID_ARGUMENT);	String name = string.substring(start, end);		start = end + 1;	end = string.indexOf('|', start);	if (end == -1) SWT.error(SWT.ERROR_INVALID_ARGUMENT);	int height = 0;	try {		height = Integer.parseInt(string.substring(start, end));	} catch (NumberFormatException e) {		SWT.error(SWT.ERROR_INVALID_ARGUMENT);	}		start = end + 1;	end = string.indexOf('|', start);	if (end == -1) SWT.error(SWT.ERROR_INVALID_ARGUMENT);	int style = 0;	try {		style = Integer.parseInt(string.substring(start, end));	} catch (NumberFormatException e) {		SWT.error(SWT.ERROR_INVALID_ARGUMENT);	}	start = end + 1;	end = string.indexOf('|', start);	data = OS.IsUnicode ? (LOGFONT)new LOGFONTW() : new LOGFONTA();	data.lfCharSet = (byte)OS.DEFAULT_CHARSET;	setName(name);	setHeight(height);	setStyle(style);	if (end == -1) return;	String platform = string.substring(start, end);	start = end + 1;	end = string.indexOf('|', start);	if (end == -1) return;	String version2 = string.substring(start, end);	if (platform.equals("WINDOWS") && version2.equals("1")) {		LOGFONT newData = OS.IsUnicode ? (LOGFONT)new LOGFONTW() : new LOGFONTA();		try {			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfHeight = Integer.parseInt(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfWidth = Integer.parseInt(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfEscapement = Integer.parseInt(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfOrientation = Integer.parseInt(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfWeight = Integer.parseInt(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfItalic = Byte.parseByte(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfUnderline = Byte.parseByte(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfStrikeOut = Byte.parseByte(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfCharSet = Byte.parseByte(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfOutPrecision = Byte.parseByte(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfClipPrecision = Byte.parseByte(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfQuality = Byte.parseByte(string.substring(start, end));			start = end + 1;			end = string.indexOf('|', start);			if (end == -1) return;			newData.lfPitchAndFamily = Byte.parseByte(string.substring(start, end));			start = end + 1;		} catch (NumberFormatException e) {			setName(name);			setHeight(height);			setStyle(style);			return;		}		TCHAR buffer = new TCHAR(0, string.substring(start), false);		int length = Math.min(OS.LF_FACESIZE - 1, buffer.length());		if (OS.IsUnicode) {			char[] lfFaceName = ((LOGFONTW)newData).lfFaceName;			System.arraycopy(buffer.chars, 0, lfFaceName, 0, length);		} else {			byte[] lfFaceName = ((LOGFONTA)newData).lfFaceName;			System.arraycopy(buffer.bytes, 0, lfFaceName, 0, length);		}		data = newData;	}}/**	  * Constructs a new font data given a font name, * the height of the desired font in points,  * and a font style. * * @param name the name of the font (must not be null) * @param height the font height in points * @param style a bit or combination of NORMAL, BOLD, ITALIC * * @exception IllegalArgumentException <ul> *    <li>ERROR_NULL_ARGUMENT - when the font name is null</li> *    <li>ERROR_INVALID_ARGUMENT - if the height is negative</li> * </ul> */public FontData(String name, int height, int style) {	if (name == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);	data = OS.IsUnicode ? (LOGFONT)new LOGFONTW() : new LOGFONTA();	setName(name);	setHeight(height);	setStyle(style);	// We set the charset field so that	// wildcard searching will work properly	// out of the box	data.lfCharSet = (byte)OS.DEFAULT_CHARSET;}/** * 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 FontData)) return false;	FontData fd = (FontData)object;	LOGFONT lf = fd.data;	return data.lfCharSet == lf.lfCharSet &&		/*		* This code is intentionally commented.  When creating		* a FontData, lfHeight is not necessarily set.  Instead		* we check the height field which is always set.		*/ //		data.lfHeight == lf.lfHeight &&		height == fd.height &&		data.lfWidth == lf.lfWidth &&		data.lfEscapement == lf.lfEscapement &&		data.lfOrientation == lf.lfOrientation &&		data.lfWeight == lf.lfWeight &&		data.lfItalic == lf.lfItalic &&		data.lfUnderline == lf.lfUnderline &&		data.lfStrikeOut == lf.lfStrikeOut &&		data.lfCharSet == lf.lfCharSet &&		data.lfOutPrecision == lf.lfOutPrecision &&		data.lfClipPrecision == lf.lfClipPrecision &&		data.lfQuality == lf.lfQuality &&		data.lfPitchAndFamily == lf.lfPitchAndFamily &&		getName().equals(fd.getName());}int EnumLocalesProc(int lpLocaleString) {		/* Get the locale ID */	int length = 8;	TCHAR buffer = new TCHAR(0, length);	int byteCount = length * TCHAR.sizeof;	OS.MoveMemory(buffer, lpLocaleString, byteCount);	int lcid = Integer.parseInt(buffer.toString(0, buffer.strlen ()), 16);	/* Check the language */	int size = OS.GetLocaleInfo(lcid, OS.LOCALE_SISO639LANGNAME, buffer, length);	if (size <= 0 || !lang.equals(buffer.toString(0, size - 1))) return 1;	/* Check the country */	if (country != null) {		size = OS.GetLocaleInfo(lcid, OS.LOCALE_SISO3166CTRYNAME, buffer, length);		if (size <= 0 || !country.equals(buffer.toString(0, size - 1))) return 1;	}	/* Get the charset */	size = OS.GetLocaleInfo(lcid, OS.LOCALE_IDEFAULTANSICODEPAGE, buffer, length);	if (size <= 0) return 1;