| /* |
| * 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.afp.fonts; |
| |
| import org.apache.fop.afp.AFPEventProducer; |
| |
| /** |
| * A font defined as a set of lines and curves as opposed to a bitmap font. An |
| * outline font can be scaled to any size and otherwise transformed more easily |
| * than a bitmap font, and with more attractive results. |
| */ |
| public abstract class AbstractOutlineFont extends AFPFont { |
| |
| /** The character set for this font */ |
| protected CharacterSet charSet; |
| |
| private final AFPEventProducer eventProducer; |
| |
| /** |
| * Constructor for an outline font. |
| * |
| * @param name the name of the font |
| * @param embeddable sets whether or not this font is to be embedded |
| * @param charSet the chracter set |
| * @param eventProducer The object to handle any events which occur from the object. |
| */ |
| public AbstractOutlineFont(String name, boolean embeddable, CharacterSet charSet, |
| AFPEventProducer eventProducer) { |
| super(name, embeddable); |
| this.charSet = charSet; |
| this.eventProducer = eventProducer; |
| } |
| |
| AFPEventProducer getAFPEventProducer() { |
| return eventProducer; |
| } |
| |
| /** |
| * Get the character set metrics. |
| * |
| * @return the character set |
| */ |
| public CharacterSet getCharacterSet() { |
| return charSet; |
| } |
| |
| /** |
| * Get the character set metrics. |
| * @param size ignored |
| * @return the character set |
| */ |
| public CharacterSet getCharacterSet(int size) { |
| return charSet; |
| } |
| |
| /** |
| * The ascender is the part of a lowercase letter that extends above the |
| * "x-height" (the height of the letter "x"), such as "d", "t", or "h". Also |
| * used to denote the part of the letter extending above the x-height. |
| * |
| * @param size the font size (in mpt) |
| * @return the ascender for the given size |
| */ |
| public int getAscender(int size) { |
| return charSet.getAscender() * size; |
| } |
| |
| /** {@inheritDoc} */ |
| public int getUnderlinePosition(int size) { |
| return charSet.getUnderscorePosition() * size; |
| } |
| |
| @Override |
| public int getUnderlineThickness(int size) { |
| int underscoreWidth = charSet.getUnderscoreWidth(); |
| return underscoreWidth == 0 ? super.getUnderlineThickness(size) : underscoreWidth * size; |
| } |
| |
| /** |
| * Obtains the height of capital letters for the specified point size. |
| * |
| * @param size the font size (in mpt) |
| * @return the cap height for the given size |
| */ |
| public int getCapHeight(int size) { |
| return charSet.getCapHeight() * size; |
| } |
| |
| /** |
| * The descender is the part of a lowercase letter that extends below the |
| * base line, such as "g", "j", or "p". Also used to denote the part of the |
| * letter extending below the base line. |
| * |
| * @param size the font size (in mpt) |
| * @return the descender for the given size |
| */ |
| public int getDescender(int size) { |
| return charSet.getDescender() * size; |
| } |
| |
| /** |
| * The "x-height" (the height of the letter "x"). |
| * |
| * @param size the font size (in mpt) |
| * @return the x height for the given size |
| */ |
| public int getXHeight(int size) { |
| return charSet.getXHeight() * size; |
| } |
| |
| |
| |
| /** {@inheritDoc} */ |
| public boolean hasChar(char c) { |
| return charSet.hasChar(c); |
| } |
| |
| /** |
| * Map a Unicode character to a code point in the font. |
| * @param c character to map |
| * @return the mapped character |
| */ |
| public char mapChar(char c) { |
| return charSet.mapChar(c); |
| } |
| |
| /** {@inheritDoc} */ |
| public String getEncodingName() { |
| return charSet.getEncoding(); |
| } |
| |
| } |