/*

   Copyright 2001  The Apache Software Foundation 

   Licensed 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.batik.svggen.font.table;

import java.io.IOException;
import org.apache.batik.svggen.font.*;

/**
 * @version $Id: HeadTable.java,v 1.3 2004/08/18 07:15:21 vhardy Exp $
 * @author <a href="mailto:david@steadystate.co.uk">David Schweinsberg</a>
 */
public class HeadTable implements Table {

    private final int versionNumber;
    private final int fontRevision;
    private final int checkSumAdjustment;
    private final int magicNumber;
    private final short flags;
    private final short unitsPerEm;
    private final long created;
    private final long modified;
    private final short xMin;
    private final short yMin;
    private final short xMax;
    private final short yMax;
    private final short macStyle;
    private final short lowestRecPPEM;
    private final short fontDirectionHint;
    private final short indexToLocFormat;
    private final short glyphDataFormat;

    protected HeadTable(DirectoryEntry de,RandomAccessFileEmulator raf) throws IOException {
        raf.seek(de.getOffset());
        versionNumber = raf.readInt();
        fontRevision = raf.readInt();
        checkSumAdjustment = raf.readInt();
        magicNumber = raf.readInt();
        flags = raf.readShort();
        unitsPerEm = raf.readShort();
        created = raf.readLong();
        modified = raf.readLong();
        xMin = raf.readShort();
        yMin = raf.readShort();
        xMax = raf.readShort();
        yMax = raf.readShort();
        macStyle = raf.readShort();
        lowestRecPPEM = raf.readShort();
        fontDirectionHint = raf.readShort();
        indexToLocFormat = raf.readShort();
        glyphDataFormat = raf.readShort();
    }

    public int getCheckSumAdjustment() {
        return checkSumAdjustment;
    }

    public long getCreated() {
        return created;
    }

    public short getFlags() {
        return flags;
    }

    public short getFontDirectionHint() {
        return fontDirectionHint;
    }

    public int getFontRevision(){
        return fontRevision;
    }

    public short getGlyphDataFormat() {
        return glyphDataFormat;
    }

    public short getIndexToLocFormat() {
        return indexToLocFormat;
    }

    public short getLowestRecPPEM() {
        return lowestRecPPEM;
    }

    public short getMacStyle() {
        return macStyle;
    }

    public long getModified() {
        return modified;
    }

    @Override
    public int getType() {
        return head;
    }

    public short getUnitsPerEm() {
        return unitsPerEm;
    }

    public int getVersionNumber() {
        return versionNumber;
    }

    public short getXMax() {
        return xMax;
    }

    public short getXMin() {
        return xMin;
    }

    public short getYMax() {
        return yMax;
    }

    public short getYMin() {
        return yMin;
    }

    @Override
    public String toString() {
        return new StringBuilder()
            .append("head\n\tversionNumber: ").append(versionNumber)
            .append("\n\tfontRevision: ").append(fontRevision)
            .append("\n\tcheckSumAdjustment: ").append(checkSumAdjustment)
            .append("\n\tmagicNumber: ").append(magicNumber)
            .append("\n\tflags: ").append(flags)
            .append("\n\tunitsPerEm: ").append(unitsPerEm)
            .append("\n\tcreated: ").append(created)
            .append("\n\tmodified: ").append(modified)
            .append("\n\txMin: ").append(xMin)
            .append(", yMin: ").append(yMin)
            .append("\n\txMax: ").append(xMax)
            .append(", yMax: ").append(yMax)
            .append("\n\tmacStyle: ").append(macStyle)
            .append("\n\tlowestRecPPEM: ").append(lowestRecPPEM)
            .append("\n\tfontDirectionHint: ").append(fontDirectionHint)
            .append("\n\tindexToLocFormat: ").append(indexToLocFormat)
            .append("\n\tglyphDataFormat: ").append(glyphDataFormat)
            .toString();
    }
}