Dirac - A Video Codec

Created by the British Broadcasting Corporation.


motion_arrows.h
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3 * $Id: motion_arrows.h,v 1.4 2008/01/31 11:25:20 tjdwave Exp $ $Name: Dirac_1_0_2 $
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37 
38 #ifndef _MOTION_ARROWS_H_
39 #define _MOTION_ARROWS_H_
40 
42 namespace dirac_instr
43 {
44 
46  /*
47  Sub-class of DrawOverlay.
48  16 x 16 pixel arrows used to represent motion vectors
49  Each arrow may represent a number of motion vectors, in which case
50  their mean is used
51  */
53  {
54  public :
56  /*
57  Calls DrawOverlay constructor
58  */
60 
63 
65  // //
66  // Assumes default copy constructor and assignment = //
67  // //
69 
71  void DrawBlock(int, int);
72 
74  /*
75  Base class function required to be overridden
76  */
77  void DrawLegend();
78 
79  protected :
81  void DrawArrow(int, int, int, int);
82 
85 
88 
90  const MvArray & m_mv;
91  };
92 
93 } // namespace dirac_instr
94 
95 #endif

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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