FasTC/BPTCEncoder/src/AnchorTables.h
2014-12-01 11:24:27 -05:00

121 lines
3.9 KiB
C++

/* FasTC
* Copyright (c) 2012 University of North Carolina at Chapel Hill.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for educational, research, and non-profit purposes, without
* fee, and without a written agreement is hereby granted, provided that the
* above copyright notice, this paragraph, and the following four paragraphs
* appear in all copies.
*
* Permission to incorporate this software into commercial products may be
* obtained by contacting the authors or the Office of Technology Development
* at the University of North Carolina at Chapel Hill <otd@unc.edu>.
*
* This software program and documentation are copyrighted by the University of
* North Carolina at Chapel Hill. The software program and documentation are
* supplied "as is," without any accompanying services from the University of
* North Carolina at Chapel Hill or the authors. The University of North
* Carolina at Chapel Hill and the authors do not warrant that the operation of
* the program will be uninterrupted or error-free. The end-user understands
* that the program was developed for research purposes and is advised not to
* rely exclusively on the program for any reason.
*
* IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
* AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
* OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
* THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
* AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
* DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY
* STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
* AN "AS IS" BASIS, AND THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND
* THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
* ENHANCEMENTS, OR MODIFICATIONS.
*
* Please send all BUG REPORTS to <pavel@cs.unc.edu>.
*
* The authors may be contacted via:
*
* Pavel Krajcevski
* Dept of Computer Science
* 201 S Columbia St
* Frederick P. Brooks, Jr. Computer Science Bldg
* Chapel Hill, NC 27599-3175
* USA
*
* <http://gamma.cs.unc.edu/FasTC/>
*/
#include "FasTC/Shapes.h"
#include <cassert>
static const int kAnchorIdx2[BPTCC::kNumShapes2] = {
15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15,
15, 2, 8, 2, 2, 8, 8, 15,
2 , 8, 2, 2, 8, 8, 2, 2,
15, 15, 6, 8, 2, 8, 15, 15,
2 , 8, 2, 2, 2, 15, 15, 6,
6 , 2, 6, 8, 15, 15, 2, 2,
15, 15, 15, 15, 15, 2, 2, 15
};
static const int kAnchorIdx3[2][BPTCC::kNumShapes3] = {
{3, 3, 15, 15, 8, 3, 15, 15,
8 , 8, 6, 6, 6, 5, 3, 3,
3 , 3, 8, 15, 3, 3, 6, 10,
5 , 8, 8, 6, 8, 5, 15, 15,
8 , 15, 3, 5, 6, 10, 8, 15,
15, 3, 15, 5, 15, 15, 15, 15,
3 , 15, 5, 5, 5, 8, 5, 10,
5 , 10, 8, 13, 15, 12, 3, 3 },
{15, 8, 8, 3, 15, 15, 3, 8,
15 , 15, 15, 15, 15, 15, 15, 8,
15 , 8, 15, 3, 15, 8, 15, 8,
3 , 15, 6, 10, 15, 15, 10, 8,
15 , 3, 15, 10, 10, 8, 9, 10,
6 , 15, 8, 15, 3, 6, 6, 8,
15 , 3, 15, 15, 15, 15, 15, 15,
15 , 15, 15, 15, 3, 15, 15, 8 }
};
namespace BPTCC {
static uint32 GetAnchorIndexForSubset(
int subset, const int shapeIdx, const int nSubsets
) {
int anchorIdx = 0;
switch(subset) {
case 1:
{
if(nSubsets == 2) {
anchorIdx = kAnchorIdx2[shapeIdx];
} else {
anchorIdx = kAnchorIdx3[0][shapeIdx];
}
}
break;
case 2:
{
assert(nSubsets == 3);
anchorIdx = kAnchorIdx3[1][shapeIdx];
}
break;
default:
break;
}
return anchorIdx;
}
} // namespace BPTCC