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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.fonts;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Generic SingleByte font
*/
public class SingleByteFont extends CustomFont {
/** logger */
private static Log log = LogFactory.getLog(SingleByteFont.class);
private CodePointMapping mapping;
private String encoding = "WinAnsiEncoding";
private int[] width = null;
/**
* Main constructor.
*/
public SingleByteFont() {
updateMapping();
}
/**
* Updates the mapping variable based on the encoding.
*/
protected void updateMapping() {
try {
mapping = CodePointMapping.getMapping(getEncoding());
} catch (UnsupportedOperationException e) {
log.error("Font '" + super.getFontName() + "': " + e.getMessage());
}
}
/**
* {@inheritDoc}
*/
public boolean isEmbeddable() {
return (getEmbedFileName() == null && getEmbedResourceName() == null) ? false
: true;
}
/**
* {@inheritDoc}
*/
public String getEncoding() {
return encoding;
}
/**
* Sets the encoding of the font.
* @param encoding the encoding (ex. "WinAnsiEncoding" or "SymbolEncoding")
*/
public void setEncoding(String encoding) {
this.encoding = encoding;
updateMapping();
}
/**
* {@inheritDoc}
*/
public int getWidth(int i, int size) {
return size * width[i];
}
/**
* {@inheritDoc}
*/
public int[] getWidths() {
int[] arr = new int[width.length];
System.arraycopy(width, 0, arr, 0, width.length - 1);
return arr;
}
/**
* {@inheritDoc}
*/
public char mapChar(char c) {
char d = mapping.mapChar(c);
if (d != 0) {
return d;
} else {
log.warn("Glyph " + (int) c + " not available in font "
+ getFontName());
return '#';
}
}
/**
* {@inheritDoc}
*/
public boolean hasChar(char c) {
return (mapping.mapChar(c) > 0);
}
/* ---- single byte font specific setters --- */
/**
* Sets a width for a character.
* @param index index of the character
* @param width the width of the character
*/
public void setWidth(int index, int width) {
if (this.width == null) {
this.width = new int[256];
}
this.width[index] = width;
}
public char[] getCharsUsed() {
return null;
}
}
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