corrade-vassal – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | vero | 1 | /// <summary>************************************************************************** |
| 2 | /// |
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| 3 | /// $Id: ImageHeaderBox.java,v 1.1 2002/07/25 14:50:47 grosbois Exp $ |
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| 4 | /// |
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| 5 | /// Copyright Eastman Kodak Company, 343 State Street, Rochester, NY 14650 |
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| 6 | /// $Date $ |
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| 7 | /// *************************************************************************** |
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| 8 | /// </summary> |
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| 9 | using System; |
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| 10 | using ColorSpaceException = CSJ2K.Color.ColorSpaceException; |
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| 11 | using ParameterList = CSJ2K.j2k.util.ParameterList; |
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| 12 | using RandomAccessIO = CSJ2K.j2k.io.RandomAccessIO; |
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| 13 | using ICCProfile = CSJ2K.Icc.ICCProfile; |
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| 14 | namespace CSJ2K.Color.Boxes |
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| 15 | { |
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| 16 | |||
| 17 | /// <summary> This class models the Image Header box contained in a JP2 |
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| 18 | /// image. It is a stub class here since for colormapping the |
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| 19 | /// knowlege of the existance of the box in the image is sufficient. |
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| 20 | /// |
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| 21 | /// </summary> |
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| 22 | /// <version> 1.0 |
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| 23 | /// </version> |
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| 24 | /// <author> Bruce A. Kern |
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| 25 | /// </author> |
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| 26 | public sealed class ImageHeaderBox:JP2Box |
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| 27 | { |
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| 28 | |||
| 29 | internal long height; |
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| 30 | internal long width; |
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| 31 | internal int nc; |
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| 32 | internal short bpc; |
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| 33 | internal short c; |
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| 34 | internal bool unk; |
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| 35 | internal bool ipr; |
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| 36 | |||
| 37 | |||
| 38 | /// <summary> Construct an ImageHeaderBox from an input image.</summary> |
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| 39 | /// <param name="in">RandomAccessIO jp2 image |
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| 40 | /// </param> |
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| 41 | /// <param name="boxStart">offset to the start of the box in the image |
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| 42 | /// </param> |
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| 43 | /// <exception cref="IOException,">ColorSpaceException |
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| 44 | /// </exception> |
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| 45 | public ImageHeaderBox(RandomAccessIO in_Renamed, int boxStart):base(in_Renamed, boxStart) |
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| 46 | { |
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| 47 | readBox(); |
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| 48 | } |
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| 49 | |||
| 50 | /// <summary>Return a suitable String representation of the class instance. </summary> |
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| 51 | public override System.String ToString() |
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| 52 | { |
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| 53 | System.Text.StringBuilder rep = new System.Text.StringBuilder("[ImageHeaderBox ").Append(eol).Append(" "); |
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| 54 | rep.Append("height= ").Append(System.Convert.ToString(height)).Append(", "); |
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| 55 | rep.Append("width= ").Append(System.Convert.ToString(width)).Append(eol).Append(" "); |
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| 56 | |||
| 57 | rep.Append("nc= ").Append(System.Convert.ToString(nc)).Append(", "); |
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| 58 | rep.Append("bpc= ").Append(System.Convert.ToString(bpc)).Append(", "); |
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| 59 | rep.Append("c= ").Append(System.Convert.ToString(c)).Append(eol).Append(" "); |
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| 60 | |||
| 61 | rep.Append("image colorspace is ").Append(new System.Text.StringBuilder(unk == true?"known":"unknown").ToString()); |
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| 62 | rep.Append(", the image ").Append(new System.Text.StringBuilder(ipr == true?"contains ":"does not contain ").ToString()).Append("intellectual property").Append("]"); |
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| 63 | |||
| 64 | return rep.ToString(); |
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| 65 | } |
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| 66 | |||
| 67 | /// <summary>Analyze the box content. </summary> |
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| 68 | internal void readBox() |
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| 69 | { |
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| 70 | byte[] bfr = new byte[14]; |
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| 71 | in_Renamed.seek(dataStart); |
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| 72 | in_Renamed.readFully(bfr, 0, 14); |
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| 73 | |||
| 74 | height = ICCProfile.getInt(bfr, 0); |
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| 75 | width = ICCProfile.getInt(bfr, 4); |
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| 76 | nc = ICCProfile.getShort(bfr, 8); |
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| 77 | bpc = (short) (bfr[10] & 0x00ff); |
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| 78 | c = (short) (bfr[11] & 0x00ff); |
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| 79 | unk = bfr[12] == 0?true:false; |
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| 80 | ipr = bfr[13] == 1?true:false; |
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| 81 | } |
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| 82 | |||
| 83 | /* end class ImageHeaderBox */ |
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| 84 | static ImageHeaderBox() |
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| 85 | { |
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| 86 | { |
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| 87 | type = 69686472; |
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| 88 | } |
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| 89 | } |
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| 90 | } |
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| 91 | } |