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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.render.java2d;
-
- // Java
- import java.awt.Graphics2D;
- import java.util.Map;
- import java.util.Set;
-
- import org.apache.fop.fonts.FontType;
- import org.apache.fop.fonts.Typeface;
-
-
- /**
- * This class implements org.apache.fop.layout.FontMetrics and
- * is added to the hash table in FontInfo. It deferes the
- * actual calculation of the metrics to
- * Java2DFontMetrics. It only keeps the java name and
- * style as member varibles
- */
-
- public class SystemFontMetricsMapper extends Typeface implements FontMetricsMapper {
-
- /**
- * This is a Java2DFontMetrics that does the real calculation.
- * It is only one class that dynamically determines the font-size.
- */
- private static Java2DFontMetrics metric = null;
-
- /**
- * The java name of the font.
- * # Make the family name immutable.
- */
- private final String family;
-
- /**
- * The java style of the font.
- * # Make the style immutable.
- */
- private final int style;
-
- /**
- * Constructs a new Font-metrics.
- * @param family the family name of the font (java value)
- * @param style the java type style value of the font
- * @param graphics a Graphics2D object - this is needed so
- * that we can get an instance of java.awt.FontMetrics
- */
- public SystemFontMetricsMapper(String family, int style, Graphics2D graphics) {
- this.family = family;
- this.style = style;
- if (metric == null) {
- metric = new Java2DFontMetrics(graphics);
- }
- }
-
- /** {@inheritDoc} */
- public String getFontName() {
- return family;
- }
-
- /** {@inheritDoc} */
- public String getEmbedFontName() {
- return getFontName();
- }
-
- /** {@inheritDoc} */
- public String getFullName() {
- return getFontName();
- }
-
- /** {@inheritDoc} */
- public Set getFamilyNames() {
- Set s = new java.util.HashSet();
- s.add(this.family);
- return s;
- }
-
- /**
- * {@inheritDoc}
- */
- public FontType getFontType() {
- return FontType.OTHER;
- }
-
- /**
- * {@inheritDoc}
- */
- public int getMaxAscent(int size) {
- return metric.getMaxAscent(family, style, size);
- }
-
- /**
- * {@inheritDoc}
- */
- public int getAscender(int size) {
- return metric.getAscender(family, style, size);
- }
-
- /**
- * {@inheritDoc}
- */
- public int getCapHeight(int size) {
- return metric.getCapHeight(family, style, size);
- }
-
- /**
- * {@inheritDoc}
- */
- public int getDescender(int size) {
- return metric.getDescender(family, style, size);
- }
-
- /**
- * {@inheritDoc}
- */
- public int getXHeight(int size) {
- return metric.getXHeight(family, style, size);
- }
-
- /**
- * {@inheritDoc}
- */
- public int getWidth(int i, int size) {
- return metric.width(i, family, style, size);
- }
-
-
- /**
- * {@inheritDoc}
- */
- public int[] getWidths() {
- return metric.getWidths(family, style, Java2DFontMetrics.FONT_SIZE);
- }
-
- /**
- * {@inheritDoc}
- */
- public java.awt.Font getFont(int size) {
- return metric.getFont(family, style, size);
- }
-
- /**
- * {@inheritDoc}
- */
- public Map getKerningInfo() {
- return java.util.Collections.EMPTY_MAP;
- }
-
- /**
- * {@inheritDoc}
- */
- public boolean hasKerningInfo() {
- return false;
- }
-
- /** {@inheritDoc} */
- public String getEncoding() {
- return null; //Not applicable to Java2D rendering
- }
-
- /** {@inheritDoc} */
- public char mapChar(char c) {
- return c;
- }
-
- /** {@inheritDoc} */
- public boolean hasChar(char c) {
- return metric.hasChar(family, style, Java2DFontMetrics.FONT_SIZE, c);
- }
-
- }
-
-
-
-
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