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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* mipmap.h
*
* Fri Sep 3 16:39:45 CEST 2010
* Copyright 2010 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#pragma once
#include <QMap>
#include <stddef.h>
class MipMapValue
{
public:
MipMapValue()
{
max = min = uavg = lavg = 0.0;
}
float max;
float min;
float uavg;
float lavg;
};
class MipMap
{
public:
MipMap(float* data, size_t size);
MipMapValue lookup(size_t begin, size_t end);
private:
float* data;
size_t size;
MipMapValue* values;
size_t zoom;
MipMapValue data_lookup(size_t begin, size_t end);
MipMapValue mipmap_lookup(size_t begin, size_t end);
MipMap* lowerlevel;
};
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