org.apache.fop.pdf.PDFFontNonBase14 Maven / Gradle / Ivy

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Tool to convert CSV and XLS to XML, to transform XML and to convert XML to CSV, HTML, other text files, PDF etc., useful as command line tool and integrated in other projects.

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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: PDFFontNonBase14.java 828632 2009-10-22 10:15:11Z jeremias $ */

package org.apache.fop.pdf;

import org.apache.fop.fonts.FontType;

/**
 * A common ancestor for Type1, TrueType, MMType1 and Type3 fonts
 * (all except base 14 fonts).
 */
public abstract class PDFFontNonBase14 extends PDFFont {

    /**
     * Create the /Font object
     *
     * @param fontname the internal name for the font
     * @param subtype the font's subtype
     * @param basefont the base font name
     * @param encoding the character encoding schema used by the font
     */
    public PDFFontNonBase14(String fontname, FontType subtype,
                            String basefont,
                            Object encoding) {

        /* generic creation of PDF object */
        super(fontname, subtype, basefont, encoding);
    }

    /**
     * Set the width metrics for the font
     *
     * @param firstChar the first character code in the font
     * @param lastChar the last character code in the font
     * @param widths an array of size (lastChar - firstChar +1)
     */
    public void setWidthMetrics(int firstChar, int lastChar,
                                PDFArray widths) {
        put("FirstChar", new Integer(firstChar));
        put("LastChar", new Integer(lastChar));
        put("Widths", widths);
    }

    /**
     * Set the font descriptor (unused for the Type3 fonts)
     *
     * @param descriptor the descriptor for other font's metrics
     */
    public void setDescriptor(PDFFontDescriptor descriptor) {
        put("FontDescriptor", descriptor);
    }

    /** @return the FontDescriptor or null if there is none */
    public PDFFontDescriptor getDescriptor() {
        return (PDFFontDescriptor)get("FontDescriptor");
    }

    /** {@inheritDoc} */
    protected void validate() {
        if (getDocumentSafely().getProfile().isFontEmbeddingRequired()) {
            if (this.getDescriptor().getFontFile() == null) {
                throw new PDFConformanceException("For " + getDocumentSafely().getProfile()
                    + ", all fonts have to be embedded! Offending font: " + getBaseFont());
            }
        }
    }

}