corrade-vassal – Blame information for rev 1

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1 vero 1 /// <summary>**************************************************************************
2 ///
3 /// $Id: JP2Box.java,v 1.1 2002/07/25 14:50:47 grosbois Exp $
4 ///
5 /// Copyright Eastman Kodak Company, 343 State Street, Rochester, NY 14650
6 /// $Date $
7 /// ***************************************************************************
8 /// </summary>
9 using System;
10 using ColorSpaceException = CSJ2K.Color.ColorSpaceException;
11 using FileFormatBoxes = CSJ2K.j2k.fileformat.FileFormatBoxes;
12 using ICCProfile = CSJ2K.Icc.ICCProfile;
13 using ParameterList = CSJ2K.j2k.util.ParameterList;
14 using RandomAccessIO = CSJ2K.j2k.io.RandomAccessIO;
15 namespace CSJ2K.Color.Boxes
16 {
17  
18 /// <summary> The abstract super class modeling the aspects of
19 /// a JP2 box common to all such boxes.
20 ///
21 /// </summary>
22 /// <version> 1.0
23 /// </version>
24 /// <author> Bruce A. Kern
25 /// </author>
26 public abstract class JP2Box
27 {
28 /// <summary>Platform dependant line terminator </summary>
29 //UPGRADE_NOTE: Final was removed from the declaration of 'eol '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"
30 public static readonly System.String eol = System.Environment.NewLine;
31 /// <summary>Box type </summary>
32 public static int type;
33  
34 /// <summary>Return a String representation of the Box type. </summary>
35 public static System.String getTypeString(int t)
36 {
37 return BoxType.get_Renamed(t);
38 }
39  
40 /// <summary>Length of the box. </summary>
41 public int length;
42 /// <summary>input file </summary>
43 protected internal RandomAccessIO in_Renamed;
44 /// <summary>offset to start of box </summary>
45 protected internal int boxStart;
46 /// <summary>offset to end of box </summary>
47 protected internal int boxEnd;
48 /// <summary>offset to start of data in box </summary>
49 protected internal int dataStart;
50  
51 public JP2Box()
52 {
53 try
54 {
55 throw new ColorSpaceException("JP2Box empty ctor called!!");
56 }
57 catch (ColorSpaceException e)
58 {
59 SupportClass.WriteStackTrace(e, Console.Error); throw e;
60 }
61 }
62  
63 /// <summary> Construct a JP2Box from an input image.</summary>
64 /// <param name="in">RandomAccessIO jp2 image
65 /// </param>
66 /// <param name="boxStart">offset to the start of the box in the image
67 /// </param>
68 /// <exception cref="IOException,">ColorSpaceException
69 /// </exception>
70 public JP2Box(RandomAccessIO in_Renamed, int boxStart)
71 {
72 byte[] boxHeader = new byte[16];
73  
74 this.in_Renamed = in_Renamed;
75 this.boxStart = boxStart;
76  
77 this.in_Renamed.seek(this.boxStart);
78 this.in_Renamed.readFully(boxHeader, 0, 8);
79  
80 this.dataStart = boxStart + 8;
81 this.length = ICCProfile.getInt(boxHeader, 0);
82 this.boxEnd = boxStart + length;
83 if (length == 1)
84 throw new ColorSpaceException("extended length boxes not supported");
85 }
86  
87  
88 /// <summary>Return the box type as a String. </summary>
89 public virtual System.String getTypeString()
90 {
91 return BoxType.get_Renamed(JP2Box.type);
92 }
93  
94  
95 /// <summary>JP2 Box structure analysis help </summary>
96 [Serializable]
97 protected internal class BoxType:System.Collections.Hashtable
98 {
99  
100 private static System.Collections.Hashtable map = System.Collections.Hashtable.Synchronized(new System.Collections.Hashtable());
101  
102 private static void put(int type, System.String desc)
103 {
104 map[(System.Int32) type] = desc;
105 }
106  
107 public static System.String get_Renamed(int type)
108 {
109 return (System.String) map[(System.Int32) type];
110 }
111  
112 /* end class BoxType */
113 static BoxType()
114 {
115 {
116 put(CSJ2K.j2k.fileformat.FileFormatBoxes.BITS_PER_COMPONENT_BOX, "BITS_PER_COMPONENT_BOX");
117 put(CSJ2K.j2k.fileformat.FileFormatBoxes.CAPTURE_RESOLUTION_BOX, "CAPTURE_RESOLUTION_BOX");
118 put(CSJ2K.j2k.fileformat.FileFormatBoxes.CHANNEL_DEFINITION_BOX, "CHANNEL_DEFINITION_BOX");
119 put(CSJ2K.j2k.fileformat.FileFormatBoxes.COLOUR_SPECIFICATION_BOX, "COLOUR_SPECIFICATION_BOX");
120 put(CSJ2K.j2k.fileformat.FileFormatBoxes.COMPONENT_MAPPING_BOX, "COMPONENT_MAPPING_BOX");
121 put(CSJ2K.j2k.fileformat.FileFormatBoxes.CONTIGUOUS_CODESTREAM_BOX, "CONTIGUOUS_CODESTREAM_BOX");
122 put(CSJ2K.j2k.fileformat.FileFormatBoxes.DEFAULT_DISPLAY_RESOLUTION_BOX, "DEFAULT_DISPLAY_RESOLUTION_BOX");
123 put(CSJ2K.j2k.fileformat.FileFormatBoxes.FILE_TYPE_BOX, "FILE_TYPE_BOX");
124 put(CSJ2K.j2k.fileformat.FileFormatBoxes.IMAGE_HEADER_BOX, "IMAGE_HEADER_BOX");
125 put(CSJ2K.j2k.fileformat.FileFormatBoxes.INTELLECTUAL_PROPERTY_BOX, "INTELLECTUAL_PROPERTY_BOX");
126 put(CSJ2K.j2k.fileformat.FileFormatBoxes.JP2_HEADER_BOX, "JP2_HEADER_BOX");
127 put(CSJ2K.j2k.fileformat.FileFormatBoxes.JP2_SIGNATURE_BOX, "JP2_SIGNATURE_BOX");
128 put(CSJ2K.j2k.fileformat.FileFormatBoxes.PALETTE_BOX, "PALETTE_BOX");
129 put(CSJ2K.j2k.fileformat.FileFormatBoxes.RESOLUTION_BOX, "RESOLUTION_BOX");
130 put(CSJ2K.j2k.fileformat.FileFormatBoxes.URL_BOX, "URL_BOX");
131 put(CSJ2K.j2k.fileformat.FileFormatBoxes.UUID_BOX, "UUID_BOX");
132 put(CSJ2K.j2k.fileformat.FileFormatBoxes.UUID_INFO_BOX, "UUID_INFO_BOX");
133 put(CSJ2K.j2k.fileformat.FileFormatBoxes.UUID_LIST_BOX, "UUID_LIST_BOX");
134 put(CSJ2K.j2k.fileformat.FileFormatBoxes.XML_BOX, "XML_BOX");
135 }
136 }
137 }
138  
139 /* end class JP2Box */
140 }
141 }