Package com.itextpdf.text

Source Code of com.itextpdf.text.Image

/*
* $Id: Image.java 5156 2012-05-30 09:47:27Z blowagie $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2012 1T3XT BVBA
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
* 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.text;

import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.net.MalformedURLException;
import java.net.URL;

import com.itextpdf.awt.PdfGraphics2D;
import com.itextpdf.text.api.Indentable;
import com.itextpdf.text.api.Spaceable;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.pdf.ICC_Profile;
import com.itextpdf.text.pdf.PRIndirectReference;
import com.itextpdf.text.pdf.PdfArray;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfDictionary;
import com.itextpdf.text.pdf.PdfIndirectReference;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfNumber;
import com.itextpdf.text.pdf.PdfOCG;
import com.itextpdf.text.pdf.PdfObject;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfStream;
import com.itextpdf.text.pdf.PdfTemplate;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.RandomAccessFileOrArray;
import com.itextpdf.text.pdf.codec.BmpImage;
import com.itextpdf.text.pdf.codec.CCITTG4Encoder;
import com.itextpdf.text.pdf.codec.GifImage;
import com.itextpdf.text.pdf.codec.JBIG2Image;
import com.itextpdf.text.pdf.codec.PngImage;
import com.itextpdf.text.pdf.codec.TiffImage;

/**
* An <CODE>Image</CODE> is the representation of a graphic element (JPEG, PNG
* or GIF) that has to be inserted into the document
*
* @see Element
* @see Rectangle
*/

public abstract class Image extends Rectangle implements Indentable, Spaceable {

  // static final membervariables

  /** this is a kind of image alignment. */
  public static final int DEFAULT = 0;

  /** this is a kind of image alignment. */
  public static final int RIGHT = 2;

  /** this is a kind of image alignment. */
  public static final int LEFT = 0;

  /** this is a kind of image alignment. */
  public static final int MIDDLE = 1;

  /** this is a kind of image alignment. */
  public static final int TEXTWRAP = 4;

  /** this is a kind of image alignment. */
  public static final int UNDERLYING = 8;

  /** This represents a coordinate in the transformation matrix. */
  public static final int AX = 0;

  /** This represents a coordinate in the transformation matrix. */
  public static final int AY = 1;

  /** This represents a coordinate in the transformation matrix. */
  public static final int BX = 2;

  /** This represents a coordinate in the transformation matrix. */
  public static final int BY = 3;

  /** This represents a coordinate in the transformation matrix. */
  public static final int CX = 4;

  /** This represents a coordinate in the transformation matrix. */
  public static final int CY = 5;

  /** This represents a coordinate in the transformation matrix. */
  public static final int DX = 6;

  /** This represents a coordinate in the transformation matrix. */
  public static final int DY = 7;

  /** type of image */
  public static final int ORIGINAL_NONE = 0;

  /** type of image */
  public static final int ORIGINAL_JPEG = 1;

  /** type of image */
  public static final int ORIGINAL_PNG = 2;

  /** type of image */
  public static final int ORIGINAL_GIF = 3;

  /** type of image */
  public static final int ORIGINAL_BMP = 4;

  /** type of image */
  public static final int ORIGINAL_TIFF = 5;

  /** type of image */
  public static final int ORIGINAL_WMF = 6;

  /** type of image */
    public static final int ORIGINAL_PS = 7;

  /** type of image */
  public static final int ORIGINAL_JPEG2000 = 8;

  /**
   * type of image
   * @since  2.1.5
   */
  public static final int ORIGINAL_JBIG2 = 9;

    // member variables

  /** The image type. */
  protected int type;

  /** The URL of the image. */
  protected URL url;

  /** The raw data of the image. */
  protected byte rawData[];

  /** The bits per component of the raw image. It also flags a CCITT image. */
  protected int bpc = 1;

  /** The template to be treated as an image. */
  protected PdfTemplate template[] = new PdfTemplate[1];

  /** The alignment of the Image. */
  protected int alignment;

  /** Text that can be shown instead of the image. */
  protected String alt;

  /** This is the absolute X-position of the image. */
  protected float absoluteX = Float.NaN;

  /** This is the absolute Y-position of the image. */
  protected float absoluteY = Float.NaN;

  /** This is the width of the image without rotation. */
  protected float plainWidth;

  /** This is the width of the image without rotation. */
  protected float plainHeight;

  /** This is the scaled width of the image taking rotation into account. */
  protected float scaledWidth;

  /** This is the original height of the image taking rotation into account. */
  protected float scaledHeight;

    /**
     * The compression level of the content streams.
     * @since  2.1.3
     */
    protected int compressionLevel = PdfStream.DEFAULT_COMPRESSION;

  /** an iText attributed unique id for this image. */
  protected Long mySerialId = getSerialId();

  // image from file or URL

  /**
   * Constructs an <CODE>Image</CODE> -object, using an <VAR>url </VAR>.
   *
   * @param url
   *            the <CODE>URL</CODE> where the image can be found.
   */
  public Image(final URL url) {
    super(0, 0);
    this.url = url;
    this.alignment = DEFAULT;
    rotationRadians = 0;
  }

  /**
   * Gets an instance of an Image.
   *
   * @param url
   *            an URL
   * @return an Image
   * @throws BadElementException
   * @throws MalformedURLException
   * @throws IOException
   */
  public static Image getInstance(final URL url) throws BadElementException,
      MalformedURLException, IOException {
    InputStream is = null;
    try {
      is = url.openStream();
      int c1 = is.read();
      int c2 = is.read();
      int c3 = is.read();
      int c4 = is.read();
      // jbig2
      int c5 = is.read();
      int c6 = is.read();
      int c7 = is.read();
      int c8 = is.read();
      is.close();

      is = null;
      if (c1 == 'G' && c2 == 'I' && c3 == 'F') {
        GifImage gif = new GifImage(url);
        Image img = gif.getImage(1);
        return img;
      }
      if (c1 == 0xFF && c2 == 0xD8) {
        return new Jpeg(url);
      }
      if (c1 == 0x00 && c2 == 0x00 && c3 == 0x00 && c4 == 0x0c) {
        return new Jpeg2000(url);
      }
      if (c1 == 0xff && c2 == 0x4f && c3 == 0xff && c4 == 0x51) {
        return new Jpeg2000(url);
      }
      if (c1 == PngImage.PNGID[0] && c2 == PngImage.PNGID[1]
          && c3 == PngImage.PNGID[2] && c4 == PngImage.PNGID[3]) {
        return PngImage.getImage(url);
      }
      if (c1 == 0xD7 && c2 == 0xCD) {
        return new ImgWMF(url);
      }
      if (c1 == 'B' && c2 == 'M') {
        return  BmpImage.getImage(url);
      }
      if (c1 == 'M' && c2 == 'M' && c3 == 0 && c4 == 42
          || c1 == 'I' && c2 == 'I' && c3 == 42 && c4 == 0) {
        RandomAccessFileOrArray ra = null;
        try {
          if (url.getProtocol().equals("file")) {
            String file = url.getFile();
                        file = Utilities.unEscapeURL(file);
            ra = new RandomAccessFileOrArray(file);
          } else
            ra = new RandomAccessFileOrArray(url);
          Image img = TiffImage.getTiffImage(ra, 1);
          img.url = url;
          return img;
        } finally {
          if (ra != null)
            ra.close();
        }

      }
      if ( c1 == 0x97 && c2 == 'J' && c3 == 'B' && c4 == '2' &&
          c5 == '\r' && c6 == '\n' && c7 == 0x1a && c8 == '\n' ) {
        RandomAccessFileOrArray ra = null;
        try {
          if (url.getProtocol().equals("file")) {
            String file = url.getFile();
            file = Utilities.unEscapeURL(file);
                  ra = new RandomAccessFileOrArray(file);
          } else
            ra = new RandomAccessFileOrArray(url);
          Image img = JBIG2Image.getJbig2Image(ra, 1);
          img.url = url;
          return img;
        } finally {
            if (ra != null)
              ra.close();
        }
      }
      throw new IOException(url.toString()
          + " is not a recognized imageformat.");
    } finally {
      if (is != null) {
        is.close();
      }
    }
  }

  /**
   * Gets an instance of an Image.
   *
   * @param filename
   *            a filename
   * @return an object of type <CODE>Gif</CODE>,<CODE>Jpeg</CODE> or
   *         <CODE>Png</CODE>
   * @throws BadElementException
   * @throws MalformedURLException
   * @throws IOException
   */
  public static Image getInstance(final String filename)
      throws BadElementException, MalformedURLException, IOException {
    return getInstance(Utilities.toURL(filename));
  }

  /**
   * gets an instance of an Image
   *
   * @param imgb
   *            raw image date
   * @return an Image object
   * @throws BadElementException
   * @throws MalformedURLException
   * @throws IOException
   */
  public static Image getInstance(final byte imgb[]) throws BadElementException,
      MalformedURLException, IOException {
    InputStream is = null;
    try {
      is = new java.io.ByteArrayInputStream(imgb);
      int c1 = is.read();
      int c2 = is.read();
      int c3 = is.read();
      int c4 = is.read();
      is.close();

      is = null;
      if (c1 == 'G' && c2 == 'I' && c3 == 'F') {
        GifImage gif = new GifImage(imgb);
        return gif.getImage(1);
      }
      if (c1 == 0xFF && c2 == 0xD8) {
        return new Jpeg(imgb);
      }
      if (c1 == 0x00 && c2 == 0x00 && c3 == 0x00 && c4 == 0x0c) {
        return new Jpeg2000(imgb);
      }
      if (c1 == 0xff && c2 == 0x4f && c3 == 0xff && c4 == 0x51) {
        return new Jpeg2000(imgb);
      }
      if (c1 == PngImage.PNGID[0] && c2 == PngImage.PNGID[1]
          && c3 == PngImage.PNGID[2] && c4 == PngImage.PNGID[3]) {
        return PngImage.getImage(imgb);
      }
      if (c1 == 0xD7 && c2 == 0xCD) {
        return new ImgWMF(imgb);
      }
      if (c1 == 'B' && c2 == 'M') {
        return BmpImage.getImage(imgb);
      }
      if (c1 == 'M' && c2 == 'M' && c3 == 0 && c4 == 42
          || c1 == 'I' && c2 == 'I' && c3 == 42 && c4 == 0) {
        RandomAccessFileOrArray ra = null;
        try {
          ra = new RandomAccessFileOrArray(imgb);
          Image img = TiffImage.getTiffImage(ra, 1);
                    if (img.getOriginalData() == null)
                        img.setOriginalData(imgb);
          return img;
        } finally {
          if (ra != null)
            ra.close();
        }

      }
      if ( c1 == 0x97 && c2 == 'J' && c3 == 'B' && c4 == '2' ) {
        is = new java.io.ByteArrayInputStream(imgb);
        is.skip(4);
        int c5 = is.read();
        int c6 = is.read();
        int c7 = is.read();
        int c8 = is.read();
        if ( c5 == '\r' && c6 == '\n' && c7 == 0x1a && c8 == '\n' ) {
          int file_header_flags = is.read();
          // TODO number of pages never read, can be removed?
          int number_of_pages = -1;
          if ( (file_header_flags & 0x2) == 0x2 ) {
            number_of_pages = is.read() << 24 | is.read() << 16 | is.read() << 8 | is.read();
          }
          is.close();
          // a jbig2 file with a file header.  the header is the only way we know here.
          // embedded jbig2s don't have a header, have to create them by explicit use of Jbig2Image?
          // nkerr, 2008-12-05  see also the getInstance(URL)
          RandomAccessFileOrArray ra = null;
          try {
            ra = new RandomAccessFileOrArray(imgb);
            Image img = JBIG2Image.getJbig2Image(ra, 1);
            if (img.getOriginalData() == null)
              img.setOriginalData(imgb);
            return img;
          } finally {
            if (ra != null)
              ra.close();
          }
        }
      }
      throw new IOException(MessageLocalization.getComposedMessage("the.byte.array.is.not.a.recognized.imageformat"));
    } finally {
      if (is != null) {
        is.close();
      }
    }
  }

  /**
   * Gets an instance of an Image in raw mode.
   *
   * @param width
   *            the width of the image in pixels
   * @param height
   *            the height of the image in pixels
   * @param components
   *            1,3 or 4 for GrayScale, RGB and CMYK
   * @param data
   *            the image data
   * @param bpc
   *            bits per component
   * @return an object of type <CODE>ImgRaw</CODE>
   * @throws BadElementException
   *             on error
   */
  public static Image getInstance(final int width, final int height, final int components,
      final int bpc, final byte data[]) throws BadElementException {
    return Image.getInstance(width, height, components, bpc, data, null);
  }

  /**
   * Creates a JBIG2 Image.
   * @param  width  the width of the image
   * @param  height  the height of the image
   * @param  data  the raw image data
   * @param  globals  JBIG2 globals
   * @return the Image
   * @since  2.1.5
   */
  public static Image getInstance(final int width, final int height, final byte[] data, final byte[] globals) {
    Image img = new ImgJBIG2(width, height, data, globals);
    return img;
  }

  /**
   * Creates an Image with CCITT G3 or G4 compression. It assumes that the
   * data bytes are already compressed.
   *
   * @param width
   *            the exact width of the image
   * @param height
   *            the exact height of the image
   * @param reverseBits
   *            reverses the bits in <code>data</code>. Bit 0 is swapped
   *            with bit 7 and so on
   * @param typeCCITT
   *            the type of compression in <code>data</code>. It can be
   *            CCITTG4, CCITTG31D, CCITTG32D
   * @param parameters
   *            parameters associated with this stream. Possible values are
   *            CCITT_BLACKIS1, CCITT_ENCODEDBYTEALIGN, CCITT_ENDOFLINE and
   *            CCITT_ENDOFBLOCK or a combination of them
   * @param data
   *            the image data
   * @return an Image object
   * @throws BadElementException
   *             on error
   */
  public static Image getInstance(final int width, final int height, final boolean reverseBits,
      final int typeCCITT, final int parameters, final byte[] data)
      throws BadElementException {
    return Image.getInstance(width, height, reverseBits, typeCCITT,
        parameters, data, null);
  }

  /**
   * Creates an Image with CCITT G3 or G4 compression. It assumes that the
   * data bytes are already compressed.
   *
   * @param width
   *            the exact width of the image
   * @param height
   *            the exact height of the image
   * @param reverseBits
   *            reverses the bits in <code>data</code>. Bit 0 is swapped
   *            with bit 7 and so on
   * @param typeCCITT
   *            the type of compression in <code>data</code>. It can be
   *            CCITTG4, CCITTG31D, CCITTG32D
   * @param parameters
   *            parameters associated with this stream. Possible values are
   *            CCITT_BLACKIS1, CCITT_ENCODEDBYTEALIGN, CCITT_ENDOFLINE and
   *            CCITT_ENDOFBLOCK or a combination of them
   * @param data
   *            the image data
   * @param transparency
   *            transparency information in the Mask format of the image
   *            dictionary
   * @return an Image object
   * @throws BadElementException
   *             on error
   */
  public static Image getInstance(final int width, final int height, final boolean reverseBits,
      final int typeCCITT, final int parameters, final byte[] data, final int transparency[])
      throws BadElementException {
    if (transparency != null && transparency.length != 2)
      throw new BadElementException(MessageLocalization.getComposedMessage("transparency.length.must.be.equal.to.2.with.ccitt.images"));
    Image img = new ImgCCITT(width, height, reverseBits, typeCCITT,
        parameters, data);
    img.transparency = transparency;
    return img;
  }

  /**
   * Gets an instance of an Image in raw mode.
   *
   * @param width
   *            the width of the image in pixels
   * @param height
   *            the height of the image in pixels
   * @param components
   *            1,3 or 4 for GrayScale, RGB and CMYK
   * @param data
   *            the image data
   * @param bpc
   *            bits per component
   * @param transparency
   *            transparency information in the Mask format of the image
   *            dictionary
   * @return an object of type <CODE>ImgRaw</CODE>
   * @throws BadElementException
   *             on error
   */
  public static Image getInstance(final int width, final int height, final int components,
      final int bpc, final byte data[], final int transparency[])
      throws BadElementException {
    if (transparency != null && transparency.length != components * 2)
      throw new BadElementException(MessageLocalization.getComposedMessage("transparency.length.must.be.equal.to.componentes.2"));
    if (components == 1 && bpc == 1) {
      byte g4[] = CCITTG4Encoder.compress(data, width, height);
      return Image.getInstance(width, height, false, Image.CCITTG4,
          Image.CCITT_BLACKIS1, g4, transparency);
    }
    Image img = new ImgRaw(width, height, components, bpc, data);
    img.transparency = transparency;
    return img;
  }

  // images from a PdfTemplate

  /**
   * gets an instance of an Image
   *
   * @param template
   *            a PdfTemplate that has to be wrapped in an Image object
   * @return an Image object
   * @throws BadElementException
   */
  public static Image getInstance(final PdfTemplate template)
      throws BadElementException {
    return new ImgTemplate(template);
  }

    // image from indirect reference

    /**
     * Holds value of property directReference.
     * An image is embedded into a PDF as an Image XObject.
     * This object is referenced by a PdfIndirectReference object.
     */
    private PdfIndirectReference directReference;

    /**
     * Getter for property directReference.
     * @return Value of property directReference.
     */
    public PdfIndirectReference getDirectReference() {
        return this.directReference;
    }

    /**
     * Setter for property directReference.
     * @param directReference New value of property directReference.
     */
    public void setDirectReference(final PdfIndirectReference directReference) {
        this.directReference = directReference;
    }

    /**
     * Reuses an existing image.
     * @param ref the reference to the image dictionary
     * @throws BadElementException on error
     * @return the image
     */
    public static Image getInstance(final PRIndirectReference ref) throws BadElementException {
        PdfDictionary dic = (PdfDictionary)PdfReader.getPdfObjectRelease(ref);
        int width = ((PdfNumber)PdfReader.getPdfObjectRelease(dic.get(PdfName.WIDTH))).intValue();
        int height = ((PdfNumber)PdfReader.getPdfObjectRelease(dic.get(PdfName.HEIGHT))).intValue();
        Image imask = null;
        PdfObject obj = dic.get(PdfName.SMASK);
        if (obj != null && obj.isIndirect()) {
            imask = getInstance((PRIndirectReference)obj);
        }
        else {
            obj = dic.get(PdfName.MASK);
            if (obj != null && obj.isIndirect()) {
                PdfObject obj2 = PdfReader.getPdfObjectRelease(obj);
                if (obj2 instanceof PdfDictionary)
                    imask = getInstance((PRIndirectReference)obj);
            }
        }
        Image img = new ImgRaw(width, height, 1, 1, null);
        img.imageMask = imask;
        img.directReference = ref;
        return img;
    }

    // copy constructor

  /**
   * Constructs an <CODE>Image</CODE> -object, using an <VAR>url </VAR>.
   *
   * @param image
   *            another Image object.
   */
  protected Image(final Image image) {
    super(image);
    this.type = image.type;
    this.url = image.url;
    this.rawData = image.rawData;
    this.bpc = image.bpc;
    this.template = image.template;
    this.alignment = image.alignment;
    this.alt = image.alt;
    this.absoluteX = image.absoluteX;
    this.absoluteY = image.absoluteY;
    this.plainWidth = image.plainWidth;
    this.plainHeight = image.plainHeight;
    this.scaledWidth = image.scaledWidth;
    this.scaledHeight = image.scaledHeight;
    this.mySerialId = image.mySerialId;

        this.directReference = image.directReference;

    this.rotationRadians = image.rotationRadians;
        this.initialRotation = image.initialRotation;
        this.indentationLeft = image.indentationLeft;
        this.indentationRight = image.indentationRight;
    this.spacingBefore = image.spacingBefore;
    this.spacingAfter = image.spacingAfter;

    this.widthPercentage = image.widthPercentage;
    this.scaleToFitLineWhenOverflow = image.scaleToFitLineWhenOverflow;
    this.annotation = image.annotation;
    this.layer = image.layer;
    this.interpolation = image.interpolation;
    this.originalType = image.originalType;
    this.originalData = image.originalData;
    this.deflated = image.deflated;
    this.dpiX = image.dpiX;
    this.dpiY = image.dpiY;
    this.XYRatio = image.XYRatio;

    this.colorspace = image.colorspace;
    this.invert = image.invert;
    this.profile = image.profile;
    this.additional = image.additional;
    this.mask = image.mask;
    this.imageMask = image.imageMask;
    this.smask = image.smask;
    this.transparency = image.transparency;
  }

  /**
   * gets an instance of an Image
   *
   * @param image
   *            an Image object
   * @return a new Image object
   */
  public static Image getInstance(final Image image) {
    if (image == null)
      return null;
    try {
      Class<? extends Image> cs = image.getClass();
      Constructor<? extends Image> constructor = cs
          .getDeclaredConstructor(new Class[] { Image.class });
      return constructor.newInstance(new Object[] { image });
    } catch (Exception e) {
      throw new ExceptionConverter(e);
    }
  }

  // implementation of the Element interface

  /**
   * Returns the type.
   *
   * @return a type
   */

  @Override
    public int type() {
    return type;
  }

  /**
   * @see com.itextpdf.text.Element#isNestable()
   * @since  iText 2.0.8
   */
  @Override
    public boolean isNestable() {
    return true;
  }

  // checking the type of Image

  /**
   * Returns <CODE>true</CODE> if the image is a <CODE>Jpeg</CODE>
   * -object.
   *
   * @return a <CODE>boolean</CODE>
   */

  public boolean isJpeg() {
    return type == JPEG;
  }

  /**
   * Returns <CODE>true</CODE> if the image is a <CODE>ImgRaw</CODE>
   * -object.
   *
   * @return a <CODE>boolean</CODE>
   */

  public boolean isImgRaw() {
    return type == IMGRAW;
  }

  /**
   * Returns <CODE>true</CODE> if the image is an <CODE>ImgTemplate</CODE>
   * -object.
   *
   * @return a <CODE>boolean</CODE>
   */

  public boolean isImgTemplate() {
    return type == IMGTEMPLATE;
  }

  // getters and setters

  /**
   * Gets the <CODE>String</CODE> -representation of the reference to the
   * image.
   *
   * @return a <CODE>String</CODE>
   */

  public URL getUrl() {
    return url;
  }

  /**
   * Sets the url of the image
   *
   * @param url
   *            the url of the image
   */
  public void setUrl(final URL url) {
    this.url = url;
  }

  /**
   * Gets the raw data for the image.
   * <P>
   * Remark: this only makes sense for Images of the type <CODE>RawImage
   * </CODE>.
   *
   * @return the raw data
   */
  public byte[] getRawData() {
    return rawData;
  }

  /**
   * Gets the bpc for the image.
   * <P>
   * Remark: this only makes sense for Images of the type <CODE>RawImage
   * </CODE>.
   *
   * @return a bpc value
   */
  public int getBpc() {
    return bpc;
  }

  /**
   * Gets the template to be used as an image.
   * <P>
   * Remark: this only makes sense for Images of the type <CODE>ImgTemplate
   * </CODE>.
   *
   * @return the template
   */
  public PdfTemplate getTemplateData() {
    return template[0];
  }

  /**
   * Sets data from a PdfTemplate
   *
   * @param template
   *            the template with the content
   */
  public void setTemplateData(final PdfTemplate template) {
    this.template[0] = template;
  }

  /**
   * Gets the alignment for the image.
   *
   * @return a value
   */
  public int getAlignment() {
    return alignment;
  }

  /**
   * Sets the alignment for the image.
   *
   * @param alignment
   *            the alignment
   */

  public void setAlignment(final int alignment) {
    this.alignment = alignment;
  }

  /**
   * Gets the alternative text for the image.
   *
   * @return a <CODE>String</CODE>
   */

  public String getAlt() {
    return alt;
  }

  /**
   * Sets the alternative information for the image.
   *
   * @param alt
   *            the alternative information
   */

  public void setAlt(final String alt) {
    this.alt = alt;
  }

  /**
   * Sets the absolute position of the <CODE>Image</CODE>.
   *
   * @param absoluteX
   * @param absoluteY
   */

  public void setAbsolutePosition(final float absoluteX, final float absoluteY) {
    this.absoluteX = absoluteX;
    this.absoluteY = absoluteY;
  }

  /**
   * Checks if the <CODE>Images</CODE> has to be added at an absolute X
   * position.
   *
   * @return a boolean
   */
  public boolean hasAbsoluteX() {
    return !Float.isNaN(absoluteX);
  }

  /**
   * Returns the absolute X position.
   *
   * @return a position
   */
  public float getAbsoluteX() {
    return absoluteX;
  }

  /**
   * Checks if the <CODE>Images</CODE> has to be added at an absolute
   * position.
   *
   * @return a boolean
   */
  public boolean hasAbsoluteY() {
    return !Float.isNaN(absoluteY);
  }

  /**
   * Returns the absolute Y position.
   *
   * @return a position
   */
  public float getAbsoluteY() {
    return absoluteY;
  }

  // width and height

  /**
   * Gets the scaled width of the image.
   *
   * @return a value
   */
  public float getScaledWidth() {
    return scaledWidth;
  }

  /**
   * Gets the scaled height of the image.
   *
   * @return a value
   */
  public float getScaledHeight() {
    return scaledHeight;
  }

  /**
   * Gets the plain width of the image.
   *
   * @return a value
   */
  public float getPlainWidth() {
    return plainWidth;
  }

  /**
   * Gets the plain height of the image.
   *
   * @return a value
   */
  public float getPlainHeight() {
    return plainHeight;
  }

  /**
   * Scale the image to an absolute width and an absolute height.
   *
   * @param newWidth
   *            the new width
   * @param newHeight
   *            the new height
   */
  public void scaleAbsolute(final float newWidth, final float newHeight) {
    plainWidth = newWidth;
    plainHeight = newHeight;
    float[] matrix = matrix();
    scaledWidth = matrix[DX] - matrix[CX];
    scaledHeight = matrix[DY] - matrix[CY];
    setWidthPercentage(0);
  }

  /**
   * Scale the image to an absolute width.
   *
   * @param newWidth
   *            the new width
   */
  public void scaleAbsoluteWidth(final float newWidth) {
    plainWidth = newWidth;
    float[] matrix = matrix();
    scaledWidth = matrix[DX] - matrix[CX];
    scaledHeight = matrix[DY] - matrix[CY];
    setWidthPercentage(0);
  }

  /**
   * Scale the image to an absolute height.
   *
   * @param newHeight
   *            the new height
   */
  public void scaleAbsoluteHeight(final float newHeight) {
    plainHeight = newHeight;
    float[] matrix = matrix();
    scaledWidth = matrix[DX] - matrix[CX];
    scaledHeight = matrix[DY] - matrix[CY];
    setWidthPercentage(0);
  }

  /**
   * Scale the image to a certain percentage.
   *
   * @param percent
   *            the scaling percentage
   */
  public void scalePercent(final float percent) {
    scalePercent(percent, percent);
  }

  /**
   * Scale the width and height of an image to a certain percentage.
   *
   * @param percentX
   *            the scaling percentage of the width
   * @param percentY
   *            the scaling percentage of the height
   */
  public void scalePercent(final float percentX, final float percentY) {
    plainWidth = getWidth() * percentX / 100f;
    plainHeight = getHeight() * percentY / 100f;
    float[] matrix = matrix();
    scaledWidth = matrix[DX] - matrix[CX];
    scaledHeight = matrix[DY] - matrix[CY];
    setWidthPercentage(0);
  }

  /**
   * Scales the image so that it fits a certain width and height.
   *
   * @param fitWidth
   *            the width to fit
   * @param fitHeight
   *            the height to fit
   */
  public void scaleToFit(final float fitWidth, final float fitHeight) {
        scalePercent(100);
    float percentX = fitWidth * 100 / getScaledWidth();
    float percentY = fitHeight * 100 / getScaledHeight();
    scalePercent(percentX < percentY ? percentX : percentY);
    setWidthPercentage(0);
  }

  /**
   * Returns the transformation matrix of the image.
   *
   * @return an array [AX, AY, BX, BY, CX, CY, DX, DY]
   */
  public float[] matrix() {
    float[] matrix = new float[8];
    float cosX = (float) Math.cos(rotationRadians);
    float sinX = (float) Math.sin(rotationRadians);
    matrix[AX] = plainWidth * cosX;
    matrix[AY] = plainWidth * sinX;
    matrix[BX] = -plainHeight * sinX;
    matrix[BY] = plainHeight * cosX;
    if (rotationRadians < Math.PI / 2f) {
      matrix[CX] = matrix[BX];
      matrix[CY] = 0;
      matrix[DX] = matrix[AX];
      matrix[DY] = matrix[AY] + matrix[BY];
    } else if (rotationRadians < Math.PI) {
      matrix[CX] = matrix[AX] + matrix[BX];
      matrix[CY] = matrix[BY];
      matrix[DX] = 0;
      matrix[DY] = matrix[AY];
    } else if (rotationRadians < Math.PI * 1.5f) {
      matrix[CX] = matrix[AX];
      matrix[CY] = matrix[AY] + matrix[BY];
      matrix[DX] = matrix[BX];
      matrix[DY] = 0;
    } else {
      matrix[CX] = 0;
      matrix[CY] = matrix[AY];
      matrix[DX] = matrix[AX] + matrix[BX];
      matrix[DY] = matrix[BY];
    }
    return matrix;
  }

  // serial stamping

  /** a static that is used for attributing a unique id to each image. */
  static long serialId = 0;

  /** Creates a new serial id.
   * @return the new serialId */
  static protected synchronized Long getSerialId() {
    ++serialId;
    return Long.valueOf(serialId);
  }

  /**
   * Returns a serial id for the Image (reuse the same image more than once)
   *
   * @return a serialId
   */
  public Long getMySerialId() {
    return mySerialId;
  }

    // rotation, note that the superclass also has a rotation value.

  /** This is the rotation of the image in radians. */
  protected float rotationRadians;

    /** Holds value of property initialRotation. */
    private float initialRotation;

    /**
     * Gets the current image rotation in radians.
     * @return the current image rotation in radians
     */
    public float getImageRotation() {
    double d = 2.0 * Math.PI;
    float rot = (float) ((rotationRadians - initialRotation) % d);
    if (rot < 0) {
      rot += d;
    }
        return rot;
    }

  /**
   * Sets the rotation of the image in radians.
   *
   * @param r
   *            rotation in radians
   */
  public void setRotation(final float r) {
    double d = 2.0 * Math.PI;
    rotationRadians = (float) ((r + initialRotation) % d);
    if (rotationRadians < 0) {
      rotationRadians += d;
    }
    float[] matrix = matrix();
    scaledWidth = matrix[DX] - matrix[CX];
    scaledHeight = matrix[DY] - matrix[CY];
  }

  /**
   * Sets the rotation of the image in degrees.
   *
   * @param deg
   *            rotation in degrees
   */
  public void setRotationDegrees(final float deg) {
    double d = Math.PI;
    setRotation(deg / 180 * (float) d);
  }

    /**
     * Getter for property initialRotation.
     * @return Value of property initialRotation.
     */
    public float getInitialRotation() {
        return this.initialRotation;
    }

    /**
     * Some image formats, like TIFF may present the images rotated that have
     * to be compensated.
     * @param initialRotation New value of property initialRotation.
     */
    public void setInitialRotation(final float initialRotation) {
        float old_rot = rotationRadians - this.initialRotation;
        this.initialRotation = initialRotation;
        setRotation(old_rot);
    }

    // indentations

  /** the indentation to the left. */
  protected float indentationLeft = 0;

  /** the indentation to the right. */
  protected float indentationRight = 0;

  /** The spacing before the image. */
  protected float spacingBefore;

  /** The spacing after the image. */
  protected float spacingAfter;

  /**
   * Gets the left indentation.
   *
   * @return the left indentation
   */
  public float getIndentationLeft() {
    return indentationLeft;
  }

  /**
   * Sets the left indentation.
   *
   * @param f
   */
  public void setIndentationLeft(final float f) {
    indentationLeft = f;
  }

  /**
   * Gets the right indentation.
   *
   * @return the right indentation
   */
  public float getIndentationRight() {
    return indentationRight;
  }

  /**
   * Sets the right indentation.
   *
   * @param f
   */
  public void setIndentationRight(final float f) {
    indentationRight = f;
  }

  /**
   * Gets the spacing before this image.
   *
   * @return the spacing
   */
  public float getSpacingBefore() {
    return spacingBefore;
  }

  /**
   * Sets the spacing before this image.
   *
   * @param spacing
   *            the new spacing
   */

  public void setSpacingBefore(final float spacing) {
    this.spacingBefore = spacing;
  }

  /**
   * Gets the spacing before this image.
   *
   * @return the spacing
   */
  public float getSpacingAfter() {
    return spacingAfter;
  }

  /**
   * Sets the spacing after this image.
   *
   * @param spacing
   *            the new spacing
   */

  public void setSpacingAfter(final float spacing) {
    this.spacingAfter = spacing;
  }

    // widthpercentage (for the moment only used in ColumnText)

  /**
   * Holds value of property widthPercentage.
   */
  private float widthPercentage = 100;

  /**
   * Getter for property widthPercentage.
   *
   * @return Value of property widthPercentage.
   */
  public float getWidthPercentage() {
    return this.widthPercentage;
  }

  /**
   * Setter for property widthPercentage.
   *
   * @param widthPercentage
   *            New value of property widthPercentage.
   */
  public void setWidthPercentage(final float widthPercentage) {
    this.widthPercentage = widthPercentage;
  }

  // scaling the image to the available width (or not)

  /**
   * Indicates if the image should be scaled to fit the line
   * when the image exceeds the available width.
   * @since iText 5.0.6
   */
  protected boolean scaleToFitLineWhenOverflow = true;

  /**
   * Gets the value of scaleToFitLineWhenOverflow.
   * @return true if the image size has to scale to the available width
   * @since iText 5.0.6
   */
  public boolean isScaleToFitLineWhenOverflow() {
    return scaleToFitLineWhenOverflow;
  }

  /**
   * Sets the value of scaleToFitLineWhenOverflow
   * @param scaleToFitLineWhenOverflow true if you want the image to scale to the available width
   * @since iText 5.0.6
   */
  public void setScaleToFitLineWhenOverflow(final boolean scaleToFitLineWhenOverflow) {
    this.scaleToFitLineWhenOverflow = scaleToFitLineWhenOverflow;
  }

    // annotation

  /** if the annotation is not null the image will be clickable. */
  protected Annotation annotation = null;

  /**
   * Sets the annotation of this Image.
   *
   * @param annotation
   *            the annotation
   */
  public void setAnnotation(final Annotation annotation) {
    this.annotation = annotation;
  }

  /**
   * Gets the annotation.
   *
   * @return the annotation that is linked to this image
   */
  public Annotation getAnnotation() {
    return annotation;
  }

    // Optional Content

    /** Optional Content layer to which we want this Image to belong. */
  protected PdfOCG layer;

  /**
   * Gets the layer this image belongs to.
   *
   * @return the layer this image belongs to or <code>null</code> for no
   *         layer defined
   */
  public PdfOCG getLayer() {
    return layer;
  }

  /**
   * Sets the layer this image belongs to.
   *
   * @param layer
   *            the layer this image belongs to
   */
  public void setLayer(final PdfOCG layer) {
    this.layer = layer;
  }

  // interpolation

  /** Holds value of property interpolation. */
  protected boolean interpolation;

  /**
   * Getter for property interpolation.
   *
   * @return Value of property interpolation.
   */
  public boolean isInterpolation() {
    return interpolation;
  }

  /**
   * Sets the image interpolation. Image interpolation attempts to produce a
   * smooth transition between adjacent sample values.
   *
   * @param interpolation
   *            New value of property interpolation.
   */
  public void setInterpolation(final boolean interpolation) {
    this.interpolation = interpolation;
  }

  // original type and data

  /** Holds value of property originalType. */
  protected int originalType = ORIGINAL_NONE;

  /** Holds value of property originalData. */
  protected byte[] originalData;

  /**
   * Getter for property originalType.
   *
   * @return Value of property originalType.
   *
   */
  public int getOriginalType() {
    return this.originalType;
  }

  /**
   * Setter for property originalType.
   *
   * @param originalType
   *            New value of property originalType.
   *
   */
  public void setOriginalType(final int originalType) {
    this.originalType = originalType;
  }

  /**
   * Getter for property originalData.
   *
   * @return Value of property originalData.
   *
   */
  public byte[] getOriginalData() {
    return this.originalData;
  }

  /**
   * Setter for property originalData.
   *
   * @param originalData
   *            New value of property originalData.
   *
   */
  public void setOriginalData(final byte[] originalData) {
    this.originalData = originalData;
  }

  // the following values are only set for specific types of images.

  /** Holds value of property deflated. */
  protected boolean deflated = false;

  /**
   * Getter for property deflated.
   *
   * @return Value of property deflated.
   *
   */
  public boolean isDeflated() {
    return this.deflated;
  }

  /**
   * Setter for property deflated.
   *
   * @param deflated
   *            New value of property deflated.
   */
  public void setDeflated(final boolean deflated) {
    this.deflated = deflated;
  }

  // DPI info

  /** Holds value of property dpiX. */
  protected int dpiX = 0;

  /** Holds value of property dpiY. */
  protected int dpiY = 0;

  /**
   * Gets the dots-per-inch in the X direction. Returns 0 if not available.
   *
   * @return the dots-per-inch in the X direction
   */
  public int getDpiX() {
    return dpiX;
  }

  /**
   * Gets the dots-per-inch in the Y direction. Returns 0 if not available.
   *
   * @return the dots-per-inch in the Y direction
   */
  public int getDpiY() {
    return dpiY;
  }

  /**
   * Sets the dots per inch value
   *
   * @param dpiX
   *            dpi for x coordinates
   * @param dpiY
   *            dpi for y coordinates
   */
  public void setDpi(final int dpiX, final int dpiY) {
    this.dpiX = dpiX;
    this.dpiY = dpiY;
  }

  // XY Ratio

  /** Holds value of property XYRatio. */
  private float XYRatio = 0;

  /**
   * Gets the X/Y pixel dimensionless aspect ratio.
   *
   * @return the X/Y pixel dimensionless aspect ratio
   */
  public float getXYRatio() {
    return this.XYRatio;
  }

  /**
   * Sets the X/Y pixel dimensionless aspect ratio.
   *
   * @param XYRatio
   *            the X/Y pixel dimensionless aspect ratio
   */
  public void setXYRatio(final float XYRatio) {
    this.XYRatio = XYRatio;
  }

  // color, colorspaces and transparency

  /** this is the colorspace of a jpeg-image. */
  protected int colorspace = -1;

  /**
   * Gets the colorspace for the image.
   * <P>
   * Remark: this only makes sense for Images of the type <CODE>Jpeg</CODE>.
   *
   * @return a colorspace value
   */
  public int getColorspace() {
    return colorspace;
  }

  /** Image color inversion */
  protected boolean invert = false;

  /**
   * Getter for the inverted value
   *
   * @return true if the image is inverted
   */
  public boolean isInverted() {
    return invert;
  }

  /**
   * Sets inverted true or false
   *
   * @param invert
   *            true or false
   */
  public void setInverted(final boolean invert) {
    this.invert = invert;
  }

  /** ICC Profile attached */
  protected ICC_Profile profile = null;

  /**
   * Tags this image with an ICC profile.
   *
   * @param profile
   *            the profile
   */
  public void tagICC(final ICC_Profile profile) {
    this.profile = profile;
  }

  /**
   * Checks is the image has an ICC profile.
   *
   * @return the ICC profile or <CODE>null</CODE>
   */
  public boolean hasICCProfile() {
    return this.profile != null;
  }

  /**
   * Gets the images ICC profile.
   *
   * @return the ICC profile
   */
  public ICC_Profile getICCProfile() {
    return profile;
  }

  /** a dictionary with additional information */
  private PdfDictionary additional = null;

  /**
   * Getter for the dictionary with additional information.
   *
   * @return a PdfDictionary with additional information.
   */
  public PdfDictionary getAdditional() {
    return this.additional;
  }

  /**
   * Sets the /Colorspace key.
   *
   * @param additional
   *            a PdfDictionary with additional information.
   */
  public void setAdditional(final PdfDictionary additional) {
    this.additional = additional;
  }

    /**
     * Replaces CalRGB and CalGray colorspaces with DeviceRGB and DeviceGray.
     */
    public void simplifyColorspace() {
        if (additional == null)
            return;
        PdfArray value = additional.getAsArray(PdfName.COLORSPACE);
        if (value == null)
            return;
        PdfObject cs = simplifyColorspace(value);
        PdfObject newValue;
        if (cs.isName())
            newValue = cs;
        else {
            newValue = value;
            PdfName first = value.getAsName(0);
            if (PdfName.INDEXED.equals(first)) {
                if (value.size() >= 2) {
                    PdfArray second = value.getAsArray(1);
                    if (second != null) {
                        value.set(1, simplifyColorspace(second));
                    }
                }
            }
        }
        additional.put(PdfName.COLORSPACE, newValue);
    }

  /**
   * Gets a PDF Name from an array or returns the object that was passed.
   */
    private PdfObject simplifyColorspace(final PdfArray obj) {
        if (obj == null)
            return obj;
        PdfName first = obj.getAsName(0);
        if (PdfName.CALGRAY.equals(first))
            return PdfName.DEVICEGRAY;
        else if (PdfName.CALRGB.equals(first))
            return PdfName.DEVICERGB;
        else
            return obj;
    }

  /** Is this image a mask? */
  protected boolean mask = false;

  /** The image that serves as a mask for this image. */
  protected Image imageMask;

  /** Holds value of property smask. */
  private boolean smask;

  /**
   * Returns <CODE>true</CODE> if this <CODE>Image</CODE> is a mask.
   *
   * @return <CODE>true</CODE> if this <CODE>Image</CODE> is a mask
   */
  public boolean isMask() {
    return mask;
  }

  /**
   * Make this <CODE>Image</CODE> a mask.
   *
   * @throws DocumentException
   *             if this <CODE>Image</CODE> can not be a mask
   */
  public void makeMask() throws DocumentException {
    if (!isMaskCandidate())
      throw new DocumentException(MessageLocalization.getComposedMessage("this.image.can.not.be.an.image.mask"));
    mask = true;
  }

  /**
   * Returns <CODE>true</CODE> if this <CODE>Image</CODE> has the
   * requisites to be a mask.
   *
   * @return <CODE>true</CODE> if this <CODE>Image</CODE> can be a mask
   */
  public boolean isMaskCandidate() {
    if (type == IMGRAW) {
      if (bpc > 0xff)
        return true;
    }
    return colorspace == 1;
  }

  /**
   * Gets the explicit masking.
   *
   * @return the explicit masking
   */
  public Image getImageMask() {
    return imageMask;
  }

  /**
   * Sets the explicit masking.
   *
   * @param mask
   *            the mask to be applied
   * @throws DocumentException
   *             on error
   */
  public void setImageMask(final Image mask) throws DocumentException {
    if (this.mask)
      throw new DocumentException(MessageLocalization.getComposedMessage("an.image.mask.cannot.contain.another.image.mask"));
    if (!mask.mask)
      throw new DocumentException(MessageLocalization.getComposedMessage("the.image.mask.is.not.a.mask.did.you.do.makemask"));
    imageMask = mask;
    smask = mask.bpc > 1 && mask.bpc <= 8;
  }

  /**
   * Getter for property smask.
   *
   * @return Value of property smask.
   *
   */
  public boolean isSmask() {
    return this.smask;
  }

  /**
   * Setter for property smask.
   *
   * @param smask
   *            New value of property smask.
   */
  public void setSmask(final boolean smask) {
    this.smask = smask;
  }

  /** this is the transparency information of the raw image */
  protected int transparency[];

  /**
   * Returns the transparency.
   *
   * @return the transparency values
   */

  public int[] getTransparency() {
    return transparency;
  }

  /**
   * Sets the transparency values
   *
   * @param transparency
   *            the transparency values
   */
  public void setTransparency(final int transparency[]) {
    this.transparency = transparency;
  }


  /**
   * Returns the compression level used for images written as a compressed stream.
   * @return the compression level (0 = best speed, 9 = best compression, -1 is default)
     * @since  2.1.3
   */
  public int getCompressionLevel() {
    return compressionLevel;
  }

  /**
   * Sets the compression level to be used if the image is written as a compressed stream.
   * @param compressionLevel a value between 0 (best speed) and 9 (best compression)
     * @since  2.1.3
   */
  public void setCompressionLevel(final int compressionLevel) {
    if (compressionLevel < PdfStream.NO_COMPRESSION || compressionLevel > PdfStream.BEST_COMPRESSION)
      this.compressionLevel = PdfStream.DEFAULT_COMPRESSION;
    else
      this.compressionLevel = compressionLevel;
  }

    // AWT related methods (remove this if you port to Android / GAE)

  /**
   * Gets an instance of an Image from a java.awt.Image.
   *
   * @param image
   *            the <CODE>java.awt.Image</CODE> to convert
   * @param color
   *            if different from <CODE>null</CODE> the transparency pixels
   *            are replaced by this color
   * @param forceBW
   *            if <CODE>true</CODE> the image is treated as black and white
   * @return an object of type <CODE>ImgRaw</CODE>
   * @throws BadElementException
   *             on error
   * @throws IOException
   *             on error
   */
  public static Image getInstance(final java.awt.Image image, final java.awt.Color color,
      boolean forceBW) throws BadElementException, IOException {

    if(image instanceof java.awt.image.BufferedImage){
      java.awt.image.BufferedImage bi = (java.awt.image.BufferedImage) image;
      if(bi.getType() == java.awt.image.BufferedImage.TYPE_BYTE_BINARY
        && bi.getColorModel().getPixelSize() == 1) {
        forceBW=true;
      }
    }

    java.awt.image.PixelGrabber pg = new java.awt.image.PixelGrabber(image,
        0, 0, -1, -1, true);
    try {
      pg.grabPixels();
    } catch (InterruptedException e) {
      throw new IOException(MessageLocalization.getComposedMessage("java.awt.image.interrupted.waiting.for.pixels"));
    }
    if ((pg.getStatus() & java.awt.image.ImageObserver.ABORT) != 0) {
      throw new IOException(MessageLocalization.getComposedMessage("java.awt.image.fetch.aborted.or.errored"));
    }
    int w = pg.getWidth();
    int h = pg.getHeight();
    int[] pixels = (int[]) pg.getPixels();
    if (forceBW) {
      int byteWidth = w / 8 + ((w & 7) != 0 ? 1 : 0);
      byte[] pixelsByte = new byte[byteWidth * h];

      int index = 0;
      int size = h * w;
      int transColor = 1;
      if (color != null) {
        transColor = color.getRed() + color.getGreen()
            + color.getBlue() < 384 ? 0 : 1;
      }
      int transparency[] = null;
      int cbyte = 0x80;
      int wMarker = 0;
      int currByte = 0;
      if (color != null) {
        for (int j = 0; j < size; j++) {
          int alpha = pixels[j] >> 24 & 0xff;
          if (alpha < 250) {
            if (transColor == 1)
              currByte |= cbyte;
          } else {
            if ((pixels[j] & 0x888) != 0)
              currByte |= cbyte;
          }
          cbyte >>= 1;
          if (cbyte == 0 || wMarker + 1 >= w) {
            pixelsByte[index++] = (byte) currByte;
            cbyte = 0x80;
            currByte = 0;
          }
          ++wMarker;
          if (wMarker >= w)
            wMarker = 0;
        }
      } else {
        for (int j = 0; j < size; j++) {
          if (transparency == null) {
            int alpha = pixels[j] >> 24 & 0xff;
            if (alpha == 0) {
              transparency = new int[2];
              /* bugfix by M.P. Liston, ASC, was: ... ? 1: 0; */
              transparency[0] = transparency[1] = (pixels[j] & 0x888) != 0 ? 0xff : 0;
            }
          }
          if ((pixels[j] & 0x888) != 0)
            currByte |= cbyte;
          cbyte >>= 1;
          if (cbyte == 0 || wMarker + 1 >= w) {
            pixelsByte[index++] = (byte) currByte;
            cbyte = 0x80;
            currByte = 0;
          }
          ++wMarker;
          if (wMarker >= w)
            wMarker = 0;
        }
      }
      return Image.getInstance(w, h, 1, 1, pixelsByte, transparency);
    } else {
      byte[] pixelsByte = new byte[w * h * 3];
      byte[] smask = null;

      int index = 0;
      int size = h * w;
      int red = 255;
      int green = 255;
      int blue = 255;
      if (color != null) {
        red = color.getRed();
        green = color.getGreen();
        blue = color.getBlue();
      }
      int transparency[] = null;
      if (color != null) {
        for (int j = 0; j < size; j++) {
          int alpha = pixels[j] >> 24 & 0xff;
          if (alpha < 250) {
            pixelsByte[index++] = (byte) red;
            pixelsByte[index++] = (byte) green;
            pixelsByte[index++] = (byte) blue;
          } else {
            pixelsByte[index++] = (byte) (pixels[j] >> 16 & 0xff);
            pixelsByte[index++] = (byte) (pixels[j] >> 8 & 0xff);
            pixelsByte[index++] = (byte) (pixels[j] & 0xff);
          }
        }
      } else {
        int transparentPixel = 0;
        smask = new byte[w * h];
        boolean shades = false;
        for (int j = 0; j < size; j++) {
          byte alpha = smask[j] = (byte) (pixels[j] >> 24 & 0xff);
          /* bugfix by Chris Nokleberg */
          if (!shades) {
            if (alpha != 0 && alpha != -1) {
              shades = true;
            } else if (transparency == null) {
              if (alpha == 0) {
                transparentPixel = pixels[j] & 0xffffff;
                transparency = new int[6];
                transparency[0] = transparency[1] = transparentPixel >> 16 & 0xff;
                transparency[2] = transparency[3] = transparentPixel >> 8 & 0xff;
                transparency[4] = transparency[5] = transparentPixel & 0xff;
              }
            } else if ((pixels[j] & 0xffffff) != transparentPixel) {
              shades = true;
            }
          }
          pixelsByte[index++] = (byte) (pixels[j] >> 16 & 0xff);
          pixelsByte[index++] = (byte) (pixels[j] >> 8 & 0xff);
          pixelsByte[index++] = (byte) (pixels[j] & 0xff);
        }
        if (shades)
          transparency = null;
        else
          smask = null;
      }
      Image img = Image.getInstance(w, h, 3, 8, pixelsByte, transparency);
      if (smask != null) {
        Image sm = Image.getInstance(w, h, 1, 8, smask);
        try {
          sm.makeMask();
          img.setImageMask(sm);
        } catch (DocumentException de) {
          throw new ExceptionConverter(de);
        }
      }
      return img;
    }
  }

  /**
   * Gets an instance of an Image from a java.awt.Image.
   *
   * @param image
   *            the <CODE>java.awt.Image</CODE> to convert
   * @param color
   *            if different from <CODE>null</CODE> the transparency pixels
   *            are replaced by this color
   * @return an object of type <CODE>ImgRaw</CODE>
   * @throws BadElementException
   *             on error
   * @throws IOException
   *             on error
   */
  public static Image getInstance(final java.awt.Image image, final java.awt.Color color)
      throws BadElementException, IOException {
    return Image.getInstance(image, color, false);
  }

  /**
   * Gets an instance of a Image from a java.awt.Image.
   * The image is added as a JPEG with a user defined quality.
   *
   * @param writer
   *            the <CODE>PdfWriter</CODE> object to which the image will be added
   * @param awtImage
   *            the <CODE>java.awt.Image</CODE> to convert
   * @param quality
   *            a float value between 0 and 1
   * @return an object of type <CODE>PdfTemplate</CODE>
   * @throws BadElementException
   *             on error
   * @throws IOException
   */
  public static Image getInstance(final PdfWriter writer, final java.awt.Image awtImage, final float quality) throws BadElementException, IOException {
    return getInstance(new PdfContentByte(writer), awtImage, quality);
  }

    /**
     * Gets an instance of a Image from a java.awt.Image.
     * The image is added as a JPEG with a user defined quality.
     *
     * @param cb
     *            the <CODE>PdfContentByte</CODE> object to which the image will be added
     * @param awtImage
     *            the <CODE>java.awt.Image</CODE> to convert
     * @param quality
     *            a float value between 0 and 1
     * @return an object of type <CODE>PdfTemplate</CODE>
     * @throws BadElementException
     *             on error
     * @throws IOException
     */
    public static Image getInstance(final PdfContentByte cb, final java.awt.Image awtImage, final float quality) throws BadElementException, IOException {
        java.awt.image.PixelGrabber pg = new java.awt.image.PixelGrabber(awtImage,
                0, 0, -1, -1, true);
        try {
            pg.grabPixels();
        } catch (InterruptedException e) {
            throw new IOException(MessageLocalization.getComposedMessage("java.awt.image.interrupted.waiting.for.pixels"));
        }
        if ((pg.getStatus() & java.awt.image.ImageObserver.ABORT) != 0) {
            throw new IOException(MessageLocalization.getComposedMessage("java.awt.image.fetch.aborted.or.errored"));
        }
        int w = pg.getWidth();
        int h = pg.getHeight();
        PdfTemplate tp = cb.createTemplate(w, h);
        PdfGraphics2D g2d = new PdfGraphics2D(tp, w, h, null, false, true, quality);
        g2d.drawImage(awtImage, 0, 0, null);
        g2d.dispose();
        return getInstance(tp);
    }
}
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