comparison data/model/PowerOfSqrtTwoZoomConstraint.h @ 147:3a13b0d4934e

* Reorganising code base. This revision will not compile.
author Chris Cannam
date Mon, 31 Jul 2006 11:44:37 +0000
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children 0ed2b2e26b44
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146:f90fad823cea 147:3a13b0d4934e
1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
2
3 /*
4 Sonic Visualiser
5 An audio file viewer and annotation editor.
6 Centre for Digital Music, Queen Mary, University of London.
7 This file copyright 2006 Chris Cannam.
8
9 This program is free software; you can redistribute it and/or
10 modify it under the terms of the GNU General Public License as
11 published by the Free Software Foundation; either version 2 of the
12 License, or (at your option) any later version. See the file
13 COPYING included with this distribution for more information.
14 */
15
16 #ifndef _POWER_OF_SQRT_TWO_ZOOM_CONSTRAINT_H_
17 #define _POWER_OF_SQRT_TWO_ZOOM_CONSTRAINT_H_
18
19 #include "base/ZoomConstraint.h"
20
21 class PowerOfSqrtTwoZoomConstraint : virtual public ZoomConstraint
22 {
23 public:
24 virtual size_t getNearestBlockSize(size_t requestedBlockSize,
25 RoundingDirection dir = RoundNearest)
26 const;
27
28 protected:
29 virtual size_t getNearestBlockSize(size_t requestedBlockSize,
30 int &type,
31 int &power,
32 RoundingDirection dir = RoundNearest)
33 const;
34
35 virtual size_t getMinCachePower() const { return 6; }
36 };
37
38 #endif
39