108 lines
4.6 KiB
C#
108 lines
4.6 KiB
C#
using System;
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using iTextSharp.text.pdf.codec;
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/*
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* $Id: ImgCCITT.cs,v 1.6 2008/05/13 11:25:11 psoares33 Exp $
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*
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*
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* Copyright 2000, 2001, 2002 by Paulo Soares.
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text {
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/**
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* CCITT Image data that has to be inserted into the document
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*
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* @see Element
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* @see Image
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*
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* @author Paulo Soares
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*/
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/// <summary>
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/// CCITT Image data that has to be inserted into the document
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/// </summary>
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/// <seealso cref="T:iTextSharp.text.Element"/>
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/// <seealso cref="T:iTextSharp.text.Image"/>
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public class ImgCCITT : Image {
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public ImgCCITT(Image image) : base(image) {}
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/// <summary>
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/// Creats an Image in CCITT mode.
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/// </summary>
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/// <param name="width">the exact width of the image</param>
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/// <param name="height">the exact height of the image</param>
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/// <param name="reverseBits">
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/// reverses the bits in data.
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/// Bit 0 is swapped with bit 7 and so on
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/// </param>
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/// <param name="typeCCITT">
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/// the type of compression in data. It can be
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/// CCITTG4, CCITTG31D, CCITTG32D
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/// </param>
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/// <param name="parameters">
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/// parameters associated with this stream. Possible values are
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/// CCITT_BLACKIS1, CCITT_ENCODEDBYTEALIGN, CCITT_ENDOFLINE and CCITT_ENDOFBLOCK or a
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/// combination of them
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/// </param>
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/// <param name="data">the image data</param>
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public ImgCCITT(int width, int height, bool reverseBits, int typeCCITT, int parameters, byte[] data) : base((Uri)null) {
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if (typeCCITT != Element.CCITTG4 && typeCCITT != Element.CCITTG3_1D && typeCCITT != Element.CCITTG3_2D)
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throw new BadElementException("The CCITT compression type must be CCITTG4, CCITTG3_1D or CCITTG3_2D");
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if (reverseBits)
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TIFFFaxDecoder.ReverseBits(data);
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type = Element.IMGRAW;
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scaledHeight = height;
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this.Top = scaledHeight;
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scaledWidth = width;
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this.Right = scaledWidth;
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colorspace = parameters;
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bpc = typeCCITT;
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rawData = data;
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plainWidth = this.Width;
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plainHeight = this.Height;
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}
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}
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}
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