Java example source code file (FontFamily.java)
The FontFamily.java Java example source code/*
* Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.font;
import java.awt.Font;
import java.util.HashMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.Locale;
public class FontFamily {
private static ConcurrentHashMap<String, FontFamily>
familyNameMap = new ConcurrentHashMap<String, FontFamily>();
private static HashMap<String, FontFamily> allLocaleNames;
protected String familyName;
protected Font2D plain;
protected Font2D bold;
protected Font2D italic;
protected Font2D bolditalic;
protected boolean logicalFont = false;
protected int familyRank;
public static FontFamily getFamily(String name) {
return familyNameMap.get(name.toLowerCase(Locale.ENGLISH));
}
public static String[] getAllFamilyNames() {
return null;
}
/* Only for use by FontManager.deRegisterBadFont(..).
* If this was the only font in the family, the family is removed
* from the map
*/
static void remove(Font2D font2D) {
String name = font2D.getFamilyName(Locale.ENGLISH);
FontFamily family = getFamily(name);
if (family == null) {
return;
}
if (family.plain == font2D) {
family.plain = null;
}
if (family.bold == font2D) {
family.bold = null;
}
if (family.italic == font2D) {
family.italic = null;
}
if (family.bolditalic == font2D) {
family.bolditalic = null;
}
if (family.plain == null && family.bold == null &&
family.plain == null && family.bold == null) {
familyNameMap.remove(name);
}
}
public FontFamily(String name, boolean isLogFont, int rank) {
logicalFont = isLogFont;
familyName = name;
familyRank = rank;
familyNameMap.put(name.toLowerCase(Locale.ENGLISH), this);
}
/* Create a family for created fonts which aren't listed in the
* main map.
*/
FontFamily(String name) {
logicalFont = false;
familyName = name;
familyRank = Font2D.DEFAULT_RANK;
}
public String getFamilyName() {
return familyName;
}
public int getRank() {
return familyRank;
}
public void setFont(Font2D font, int style) {
if (font.getRank() > familyRank) {
if (FontUtilities.isLogging()) {
FontUtilities.getLogger()
.warning("Rejecting adding " + font +
" of lower rank " + font.getRank() +
" to family " + this +
" of rank " + familyRank);
}
return;
}
switch (style) {
case Font.PLAIN:
plain = font;
break;
case Font.BOLD:
bold = font;
break;
case Font.ITALIC:
italic = font;
break;
case Font.BOLD|Font.ITALIC:
bolditalic = font;
break;
default:
break;
}
}
public Font2D getFontWithExactStyleMatch(int style) {
switch (style) {
case Font.PLAIN:
return plain;
case Font.BOLD:
return bold;
case Font.ITALIC:
return italic;
case Font.BOLD|Font.ITALIC:
return bolditalic;
default:
return null;
}
}
/* REMIND: if the callers of this method are operating in an
* environment in which not all fonts are registered, the returned
* font may be a algorithmically styled one, where in fact if loadfonts
* were executed, a styled font may be located. Our present "solution"
* to this is to register all fonts in a directory and assume that this
* registered all the styles of a font, since they would all be in the
* same location.
*/
public Font2D getFont(int style) {
switch (style) {
case Font.PLAIN:
return plain;
case Font.BOLD:
if (bold != null) {
return bold;
} else if (plain != null && plain.canDoStyle(style)) {
return plain;
} else {
return null;
}
case Font.ITALIC:
if (italic != null) {
return italic;
} else if (plain != null && plain.canDoStyle(style)) {
return plain;
} else {
return null;
}
case Font.BOLD|Font.ITALIC:
if (bolditalic != null) {
return bolditalic;
} else if (italic != null && italic.canDoStyle(style)) {
return italic;
} else if (bold != null && bold.canDoStyle(style)) {
return italic;
} else if (plain != null && plain.canDoStyle(style)) {
return plain;
} else {
return null;
}
default:
return null;
}
}
/* Only to be called if getFont(style) returns null
* This method will only return null if the family is completely empty!
* Note that it assumes the font of the style you need isn't in the
* family. The logic here is that if we must substitute something
* it might as well be from the same family.
*/
Font2D getClosestStyle(int style) {
switch (style) {
/* if you ask for a plain font try to return a non-italic one,
* then a italic one, finally a bold italic one */
case Font.PLAIN:
if (bold != null) {
return bold;
} else if (italic != null) {
return italic;
} else {
return bolditalic;
}
/* if you ask for a bold font try to return a non-italic one,
* then a bold italic one, finally an italic one */
case Font.BOLD:
if (plain != null) {
return plain;
} else if (bolditalic != null) {
return bolditalic;
} else {
return italic;
}
/* if you ask for a italic font try to return a bold italic one,
* then a plain one, finally an bold one */
case Font.ITALIC:
if (bolditalic != null) {
return bolditalic;
} else if (plain != null) {
return plain;
} else {
return bold;
}
case Font.BOLD|Font.ITALIC:
if (italic != null) {
return italic;
} else if (bold != null) {
return bold;
} else {
return plain;
}
}
return null;
}
/* Font may have localized names. Store these in a separate map, so
* that only clients who use these names need be affected.
*/
static synchronized void addLocaleNames(FontFamily family, String[] names){
if (allLocaleNames == null) {
allLocaleNames = new HashMap<String, FontFamily>();
}
for (int i=0; i<names.length; i++) {
allLocaleNames.put(names[i].toLowerCase(), family);
}
}
public static synchronized FontFamily getLocaleFamily(String name) {
if (allLocaleNames == null) {
return null;
}
return allLocaleNames.get(name.toLowerCase());
}
public String toString() {
return
"Font family: " + familyName +
" plain="+plain+
" bold=" + bold +
" italic=" + italic +
" bolditalic=" + bolditalic;
}
}
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