org.apache.pdfbox.pdmodel.font.FontInfo Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of pdfbox Show documentation
The Apache PDFBox library is an open source Java tool for working with PDF documents.
There is a newer version: 3.0.2
/*
 * 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.
 */

package org.apache.pdfbox.pdmodel.font;

import org.apache.fontbox.FontBoxFont;

/**
 * Information about a font on the system.
 *
 * @author John Hewson
 */
public abstract class FontInfo
{
    /**
     * Returns the PostScript name of the font.
     */
    public abstract String getPostScriptName();

    /**
     * Returns the font's format.
     */
    public abstract FontFormat getFormat();

    /**
     * Returns the CIDSystemInfo associated with the font, if any.
     */
    public abstract CIDSystemInfo getCIDSystemInfo();

    /**
     * Returns a new FontBox font instance for the font. Implementors of this method must not
     * cache the return value of this method unless doing so via the current {@link FontCache}.
     */
    public abstract FontBoxFont getFont();

    /**
     * Returns the sFamilyClass field of the "OS/2" table, or -1.
     */
    public abstract int getFamilyClass();

    /**
     * Returns the usWeightClass field of the "OS/2" table, or -1.
     */
    public abstract int getWeightClass();

    /**
     * Returns the usWeightClass field as a Panose Weight.
     */
    final int getWeightClassAsPanose()
    {
        int usWeightClass = getWeightClass();
        switch (usWeightClass)
        {
            case -1: return 0;
            case 0: return 0;
            case 100: return 2;
            case 200: return 3;
            case 300: return 4;
            case 400: return 5;
            case 500: return 6;
            case 600: return 7;
            case 700: return 8;
            case 800: return 9;
            case 900: return 10;
            default: return 0;
        }
    }

    /**
     * Returns the ulCodePageRange1 field of the "OS/2" table, or 0.
     */
    public abstract int getCodePageRange1();

    /**
     * Returns the ulCodePageRange2 field of the "OS/2" table, or 0.
     */
    public abstract int getCodePageRange2();

    /**
     * Returns the ulCodePageRange1 and ulCodePageRange1 field of the "OS/2" table, or 0.
     */
    final long getCodePageRange()
    {
        long range1 = getCodePageRange1() & 0x00000000ffffffffL;
        long range2 = getCodePageRange2() & 0x00000000ffffffffL;
        return range2 << 32 | range1;
    }

    /**
     * Returns the macStyle field of the "head" table, or -1.
     */
    public abstract int getMacStyle();

    /**
     * Returns the Panose classification of the font, if any.
     */
    public abstract PDPanoseClassification getPanose();
    
    // todo: 'post' table for Italic. Also: OS/2 fsSelection for italic/bold.
    // todo: ulUnicodeRange too?
    
    @Override
    public String toString()
    {
        return getPostScriptName() + " (" + getFormat() +
                ", mac: 0x" + Integer.toHexString(getMacStyle()) +
                ", os/2: 0x" + Integer.toHexString(getFamilyClass()) +
                ", cid: " + getCIDSystemInfo() + ")";
    }
}