/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* FreeCol 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.resources;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URL;
import java.util.logging.Logger;
import org.freecolandroid.repackaged.java.awt.Font;
/**
* A <code>Resource</code> wrapping a <code>Font</code>.
*
* @see Resource
* @see Font
*/
public class FontResource extends Resource {
private static final Logger logger = Logger.getLogger(FontResource.class.getName());
public static final String SCHEME = "font:";
private Font font;
public FontResource(Font font) {
this.font = font;
}
/**
* Do not use directly.
* @param resourceLocator The <code>URI</code> used when loading this
* resource.
* @see ResourceFactory#createResource(URI)
*/
FontResource(URI resourceLocator) throws Exception {
super(resourceLocator);
font = null;
if (resourceLocator.getPath() != null
&& resourceLocator.getPath().endsWith(".ttf")) {
URL url = resourceLocator.toURL();
font = Font.createFont(Font.TRUETYPE_FONT, url.openStream());
} else {
String name = resourceLocator.getSchemeSpecificPart();
font = Font.decode(name.substring(SCHEME.length()));
}
// // @compat java 1.5
// // registerFont was only introduced in Java 1.6
// if (font != null) {
// try {
// GraphicsEnvironment environment =
// GraphicsEnvironment.getLocalGraphicsEnvironment();
// Method registerFont = environment
// .getClass().getMethod("registerFont", Font.class);
// registerFont.invoke(environment, font);
// } catch(Exception e) {
// logger.warning("Failed to register font " + font.getName()
// + ": " + e.toString());
// }
// }
// // end @compat
logger.info("Loaded font: "
+ ((font==null) ? "(null)" : font.getFontName())
+ " from: " + resourceLocator);
}
/**
* Preloading is a noop for this resource type.
*/
public void preload() {}
/**
* Gets the <code>Font</code> represented by this resource. As
* failure to load a critical font might remove the ability to
* even display an error message, it is too risky to allow this
* routine to return null. Hence the emergency font use.
*
* @return The <code>Font</code> for this resource, or the default
* Java font if none found.
*/
public Font getFont() {
if (font == null) {
font = FontResource.getEmergencyFont();
}
return font;
}
/**
* Gets a font of last resort, as finding fonts must not fail!
* Currently using the default Java font, not matter how ugly.
*
* @return The default Java font.
*/
public static Font getEmergencyFont() {
return Font.decode(null);
}
}