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/**
* Copyright 2011 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.graph.font;
import java.io.IOException;
import com.jogamp.common.os.Platform;
import com.jogamp.common.util.IntObjectHashMap;
import com.jogamp.common.util.IOUtil;
import com.jogamp.common.util.JarUtil;
import com.jogamp.common.util.cache.TempJarCache;
import com.jogamp.graph.font.Font;
import com.jogamp.graph.font.FontSet;
import com.jogamp.graph.font.FontFactory;
import java.net.URI;
import java.net.URLConnection;
import java.security.AccessController;
import java.security.PrivilegedAction;
public class UbuntuFontLoader implements FontSet {
// FIXME: Add cache size to limit memory usage
private static final IntObjectHashMap fontMap = new IntObjectHashMap();
private static final String jarSubDir = "atomic/" ;
private static final String jarName = "jogl-fonts-p0.jar" ;
private static final String relFontPath = "fonts/ubuntu/" ;
private static final String absFontPath = "jogamp/graph/font/fonts/ubuntu/" ;
private static final FontSet fontLoader = new UbuntuFontLoader();
public static final FontSet get() {
return fontLoader;
}
final static String availableFontFileNames[] =
{
/* 00 */ "Ubuntu-R.ttf", // regular
/* 01 */ "Ubuntu-RI.ttf", // regular italic
/* 02 */ "Ubuntu-B.ttf", // bold
/* 03 */ "Ubuntu-BI.ttf", // bold italic
/* 04 */ "Ubuntu-L.ttf", // light
/* 05 */ "Ubuntu-LI.ttf", // light italic
/* 06 */ "Ubuntu-M.ttf", // medium
/* 07 */ "Ubuntu-MI.ttf", // medium italic
};
private UbuntuFontLoader() {
}
static boolean is(final int bits, final int bit) {
return 0 != ( bits & bit ) ;
}
@Override
public Font getDefault() throws IOException {
return get(FAMILY_REGULAR, 0) ; // Sans Serif Regular
}
@Override
public Font get(final int family, final int style) throws IOException {
Font font = (Font)fontMap.get( ( family << 8 ) | style );
if (font != null) {
return font;
}
switch (family) {
case FAMILY_MONOSPACED:
case FAMILY_CONDENSED:
case FAMILY_REGULAR:
if( is(style, STYLE_BOLD) ) {
if( is(style, STYLE_ITALIC) ) {
font = abspath(availableFontFileNames[3], family, style);
} else {
font = abspath(availableFontFileNames[2], family, style);
}
} else if( is(style, STYLE_ITALIC) ) {
font = abspath(availableFontFileNames[1], family, style);
} else {
font = abspath(availableFontFileNames[0], family, style);
}
break;
case FAMILY_LIGHT:
if( is(style, STYLE_ITALIC) ) {
font = abspath(availableFontFileNames[5], family, style);
} else {
font = abspath(availableFontFileNames[4], family, style);
}
break;
case FAMILY_MEDIUM:
if( is(style, STYLE_ITALIC) ) {
font = abspath(availableFontFileNames[6], family, style);
} else {
font = abspath(availableFontFileNames[7], family, style);
}
break;
}
return font;
}
private static boolean attemptedJARLoading = false;
private static boolean useTempJarCache = false;
private synchronized Font abspath(final String fname, final int family, final int style) throws IOException {
final String err = "Problem loading font "+fname+", stream "+relFontPath+fname;
final Exception[] privErr = { null };
try {
final Font f0 = abspathImpl(fname, family, style);
if(null != f0) {
return f0;
}
if( !attemptedJARLoading ) {
attemptedJARLoading = true;
Platform.initSingleton();
if( TempJarCache.isInitialized() ) {
final URI uri = JarUtil.getRelativeOf(UbuntuFontLoader.class, jarSubDir, jarName);
AccessController.doPrivileged(new PrivilegedAction<Object>() {
@Override
public Object run() {
try {
TempJarCache.addResources(UbuntuFontLoader.class, uri);
} catch (final Exception e) { privErr[0] = e; }
return null;
} } );
if( null == privErr[0] ) {
useTempJarCache = true;
final Font f1 = abspathImpl(fname, family, style);
if(null != f1) {
return f1;
}
}
}
}
} catch(final Exception e) {
throw new IOException(err, e);
}
if( null != privErr[0] ) {
throw new IOException(err, privErr[0]);
}
throw new IOException(err);
}
private Font abspathImpl(final String fname, final int family, final int style) throws IOException {
final URLConnection conn;
if( useTempJarCache ) {
// this code-path throws .. all exceptions
final Exception[] privErr = { null };
final URLConnection[] privConn = { null };
AccessController.doPrivileged(new PrivilegedAction<Object>() {
@Override
public Object run() {
try {
final URI uri = TempJarCache.getResource(absFontPath+fname);
privConn[0] = null != uri ? uri.toURL().openConnection() : null;
} catch (final Exception e) { privErr[0] = e; }
return null;
} } );
if( null != privErr[0] ) {
throw new IOException(privErr[0]);
}
conn = privConn[0];
} else {
// no exceptions ..
conn = IOUtil.getResource(UbuntuFontLoader.class, relFontPath+fname);
}
if(null != conn) {
final Font f= FontFactory.get ( conn ) ;
if(null != f) {
fontMap.put( ( family << 8 ) | style, f );
return f;
}
}
return null;
}
}
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