01: /*
02: * $RCSfile: QuantizationType.java,v $
03: * $Revision: 1.1 $
04: * $Date: 2005/02/11 05:02:18 $
05: * $State: Exp $
06: *
07: * Class: QuantizationType
08: *
09: * Description: This interface defines the possible
10: * quantization types.
11: *
12: *
13: *
14: * COPYRIGHT:
15: *
16: * This software module was originally developed by Raphaël Grosbois and
17: * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
18: * Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
19: * Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
20: * Centre France S.A) in the course of development of the JPEG2000
21: * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
22: * software module is an implementation of a part of the JPEG 2000
23: * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
24: * Systems AB and Canon Research Centre France S.A (collectively JJ2000
25: * Partners) agree not to assert against ISO/IEC and users of the JPEG
26: * 2000 Standard (Users) any of their rights under the copyright, not
27: * including other intellectual property rights, for this software module
28: * with respect to the usage by ISO/IEC and Users of this software module
29: * or modifications thereof for use in hardware or software products
30: * claiming conformance to the JPEG 2000 Standard. Those intending to use
31: * this software module in hardware or software products are advised that
32: * their use may infringe existing patents. The original developers of
33: * this software module, JJ2000 Partners and ISO/IEC assume no liability
34: * for use of this software module or modifications thereof. No license
35: * or right to this software module is granted for non JPEG 2000 Standard
36: * conforming products. JJ2000 Partners have full right to use this
37: * software module for his/her own purpose, assign or donate this
38: * software module to any third party and to inhibit third parties from
39: * using this software module for non JPEG 2000 Standard conforming
40: * products. This copyright notice must be included in all copies or
41: * derivative works of this software module.
42: *
43: * Copyright (c) 1999/2000 JJ2000 Partners.
44: *
45: *
46: *
47: */
48:
49: package jj2000.j2k.quantization;
50:
51: /**
52: * This interface defines the IDs of the possible quantization types. JPEG
53: * 2000 part I support only the scalar quantization with dead zone. However
54: * other quantization type may be defined in JPEG 2000 extensions (for
55: * instance Trellis Coded Quantization).
56: *
57: * <P>This interface defines the constants only. In order to use the
58: * constants in any other class you can either use the fully qualified
59: * name (e.g., <tt>QuantizationType.Q_TYPE_SCALAR_DZ</tt>) or declare
60: * this interface in the implements clause of the class and then
61: * access the identifier directly.
62: * */
63: public interface QuantizationType {
64:
65: /** The ID of the scalar deadzone dequantizer */
66: public final static int Q_TYPE_SCALAR_DZ = 0;
67:
68: }
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