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Alpheus AFP Parser is a library and parser for the IBM Advanced Function Presentation (AFP) document/print stream format. Alpheus covers all AFP specifications: MO:DCA, BCOCA, CMOCA, FOCA, GOCA, IOCA, and PTOCA. It is a complete implementation. Every Structured Field, Repeating Group, and Triplet is fully implemented as Java class. Alpheus AFP Parser was written from scratch and has no external dependencies. Copyright 2015,2016 Rudolf Fiala Alpheus AFP Parser is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

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/*
Copyright 2015 Rudolf Fiala

This file is part of Alpheus AFP Parser.

Alpheus AFP Parser is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Alpheus AFP Parser is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Alpheus AFP Parser.  If not, see 
*/
package com.mgz.afp.ptoca;

import com.mgz.afp.base.StructuredField;
import com.mgz.afp.enums.AFPUnitBase;
import com.mgz.afp.exceptions.AFPParserException;
import com.mgz.afp.parser.AFPParserConfiguration;
import com.mgz.afp.parser.PTOCAControlSequenceParser;
import com.mgz.afp.ptoca.controlSequence.PTOCAControlSequence;
import com.mgz.util.UtilBinaryDecoding;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

public class PTD_PresentationTextDataDescriptor_Format2 extends StructuredField {
  AFPUnitBase xUnitBase;
  AFPUnitBase yUnitBase;
  short xUnitsPerUnitBase;
  short yUnitsPerUnitBase;
  short xSize;
  short ySize;
  byte[] reserved12_13;
  List controlSequences;


  @Override
  public void decodeAFP(byte[] sfData, int offset, int length, AFPParserConfiguration config) throws AFPParserException {
    checkDataLength(sfData, offset, length, 12);

    xUnitBase = AFPUnitBase.valueOf(sfData[offset]);
    yUnitBase = AFPUnitBase.valueOf(sfData[offset + 1]);
    xUnitsPerUnitBase = UtilBinaryDecoding.parseShort(sfData, offset + 2, 2);
    yUnitsPerUnitBase = UtilBinaryDecoding.parseShort(sfData, offset + 4, 2);
    xSize = UtilBinaryDecoding.parseShort(sfData, offset + 7, 2);
    ySize = UtilBinaryDecoding.parseShort(sfData, offset + 10, 2);

    int actualLength = StructuredField.getActualLength(sfData, offset, length);
    if (actualLength > 13) {
      reserved12_13 = new byte[2];
      System.arraycopy(sfData, offset + 12, reserved12_13, 0, reserved12_13.length);

      if (actualLength > 15) {
        controlSequences = PTOCAControlSequenceParser.parseControlSequences(sfData, offset + 15, -1, config);
      } else {
        controlSequences = null;
      }
    } else {
      reserved12_13 = null;
      controlSequences = null;
    }
  }

  @Override
  public void writeAFP(OutputStream os, AFPParserConfiguration config) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    baos.write(xUnitBase.toByte());
    baos.write(yUnitBase.toByte());
    baos.write(UtilBinaryDecoding.shortToByteArray(xUnitsPerUnitBase, 2));
    baos.write(UtilBinaryDecoding.shortToByteArray(yUnitsPerUnitBase, 2));
    baos.write(UtilBinaryDecoding.shortToByteArray(xSize, 3));
    baos.write(UtilBinaryDecoding.shortToByteArray(ySize, 3));
    if (reserved12_13 != null) {
      baos.write(reserved12_13, 0, 2);
    }

    writeFullStructuredField(os, baos.toByteArray());
  }

  public AFPUnitBase getxUnitBase() {
    return xUnitBase;
  }

  public void setxUnitBase(AFPUnitBase xUnitBase) {
    this.xUnitBase = xUnitBase;
  }

  public AFPUnitBase getyUnitBase() {
    return yUnitBase;
  }

  public void setyUnitBase(AFPUnitBase yUnitBase) {
    this.yUnitBase = yUnitBase;
  }

  public short getxUnitsPerUnitBase() {
    return xUnitsPerUnitBase;
  }

  public void setxUnitsPerUnitBase(short xUnitsPerUnitBase) {
    this.xUnitsPerUnitBase = xUnitsPerUnitBase;
  }

  public short getyUnitsPerUnitBase() {
    return yUnitsPerUnitBase;
  }

  public void setyUnitsPerUnitBase(short yUnitsPerUnitBase) {
    this.yUnitsPerUnitBase = yUnitsPerUnitBase;
  }

  public short getxSize() {
    return xSize;
  }

  public void setxSize(short xSize) {
    this.xSize = xSize;
  }

  public short getySize() {
    return ySize;
  }

  public void setySize(short ySize) {
    this.ySize = ySize;
  }

  public byte[] getReserved12_13() {
    return reserved12_13;
  }

  public void setReserved12_13(byte[] reserved12_13) {
    this.reserved12_13 = reserved12_13;
  }

  public List getControlSeqences() {
    return controlSequences;
  }

  public void setControlSeqences(List controlSeqences) {
    this.controlSequences = controlSeqences;
  }

  public void addControlSequence(PTOCAControlSequence controlSequence) {
    if (controlSequence == null) {
      return;
    }
    if (controlSequences == null) {
      controlSequences = new ArrayList();
    }
    controlSequences.add(controlSequence);
  }

  public void remoceControlSequence(PTOCAControlSequence controlSequence) {
    if (controlSequences == null) {
      return;
    }
    controlSequences.remove(controlSequence);
  }
}