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//=========================================================
// MusE
// Linux Music Editor
// $Id: dimap.h,v 1.1.1.1 2003/10/27 18:54:28 wschweer Exp $
//
// Copyright (C) 1997 Josef Wilgen
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 2,
// as published by the Free Software Foundation.
//
// (C) Copyright 2000 Werner Schweer (ws@seh.de)
//=========================================================
#ifndef __DIMAP_H__
#define __DIMAP_H__
#include <QtGlobal>
class DiMap
{
double d_x1, d_x2; // double interval boundaries
int d_y1,d_y2; // integer interval boundaries
double d_cnv; // conversion factor
bool d_log; // logarithmic scale?
void newFactor();
public:
static const double LogMin;
static const double LogMax;
DiMap();
DiMap(int, int, double, double, bool lg = FALSE);
~DiMap();
bool contains(double x) const;
bool contains(int x) const;
void setIntRange(int i1, int i2);
void setDblRange(double d1, double d2, bool lg = FALSE);
int transform(double x) const;
double invTransform(int i) const;
int limTransform(double x) const;
double xTransform(double x) const;
double d1() const { return d_x1;}
double d2() const { return d_x2;}
int i1() const { return d_y1;}
int i2() const { return d_y2;}
bool logarithmic() const { return d_log;}
};
#endif
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