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//=========================================================
// MusE
// Linux Music Editor
// $Id: random.h,v 1.1.1.1 2003/10/29 10:06:15 wschweer Exp $
//
// (C) Copyright 2001 Werner Schweer (ws@seh.de)
//
// This code is an adaption of the random rhythm generator taken
// from "The JAZZ++ Midi Sequencer"
// Copyright (C) 1994-2000 Andreas Voss and Per Sigmond, all
// rights reserved.
// Distributed under the GNU General Public License
//=========================================================
#if 0
#ifndef random_h
#define random_h
#ifndef wx_wxh
#include "wx.h"
#endif
#ifndef _FSTREAM_H
#include <fstream.h>
#endif
#ifndef dynarray_h
#include "dynarray.h"
#endif
// gcc > 2.7.2 does not have ACG anymore?
#define USE_ACG 0
#if USE_ACG
#include <ACG.h> // random generator from libg++
extern ACG rnd;
#else
class tRandomGenerator
{
public:
double asDouble();
};
extern tRandomGenerator rnd;
#endif
#undef min
#undef max
// array of probabilities
class tRndArray
{
friend class tArrayEdit;
protected:
tIntArray array;
int n; // number of elements in array
int nul, min, max;
public:
int Null() { return nul; }
void SetNull(int n) { nul = n; }
tRndArray(int n, int min, int max);
tRndArray & operator = (const tRndArray &);
tRndArray(tRndArray const &);
virtual ~tRndArray();
int &operator[] (int i) { return array[i]; }
int operator[] (int i) const { return array[i]; }
#ifdef FOR_MSW
double operator[](double f);
float operator[](float f) {
#else
double operator[](double f) const;
float operator[](float f) const {
#endif
return (float)operator[]((double)f);
}
int Size() const { return n; }
int Min() const { return min; }
int Max() const { return max; }
void SetMinMax(int min, int max);
void Resize(int nn) { n = nn; }
friend ostream & operator << (ostream &, tRndArray const &);
friend istream & operator >> (istream &, tRndArray &);
int Random(); // returns index 0..n-1 (arrayvalues -> empiric distribution)
int Random(double rndval); // returns index 0..n-1 (arrayvalues -> empiric distribution)
int Random(int i); // return 0/1
int Interval(int seed);
void SetUnion(tRndArray &o, int fuzz);
void SetDifference(tRndArray &o, int fuzz);
void SetIntersection(tRndArray &o, int fuzz);
void SetInverse(int fuzz);
int Fuzz(int fuzz, int v1, int v2) const;
void Clear();
};
#define ARED_GAP 1
#define ARED_XTICKS 2
#define ARED_YTICKS 4
#define ARED_MINMAX 8
#define ARED_RHYTHM 16
#define ARED_BLOCKS 32
#define ARED_LINES 64
class tArrayEditDrawBars {
public:
virtual void DrawBars() = 0;
};
class tArrayEdit : public wxCanvas
{
protected:
// paint position
long x, y, w, h, ynul;
void DrawBar(int i, int black);
int dragging; // Dragging-Event valid
int index; // ctrl down: drag this one
tRndArray &array;
int &n, &min, &max, &nul; // shorthand for array.n, array.min, ...
char *label;
tArrayEditDrawBars *draw_bars;
// array size is mapped to this range for x-tick marks
int xmin, xmax;
virtual void DrawXTicks();
virtual void DrawYTicks();
virtual void DrawLabel();
virtual void DrawNull();
int Index(wxMouseEvent &e);
int enabled;
int style_bits;
virtual const char *GetXText(int xval); // Text for x-tickmarks
virtual const char *GetYText(int yval); // Text for y-tickmarks
public:
tArrayEdit(wxFrame *parent, tRndArray &array, long xx, long yy, long ww, long hh, int style_bits = (ARED_GAP | ARED_XTICKS));
virtual ~tArrayEdit();
virtual void OnPaint();
virtual void OnSize(int ww, int hh);
virtual void OnEvent(wxMouseEvent &e);
virtual int Dragging(wxMouseEvent &);
virtual int ButtonDown(wxMouseEvent &);
virtual int ButtonUp(wxMouseEvent &);
virtual void SetLabel(char const *llabel);
void Enable(int enable = 1);
void SetStyle(int style) { style_bits = style; }
// min and max value in array (both values inclusive)
void SetYMinMax(int min, int max);
// for display x-axis only, does not resize the array (both values inclusive)
void SetXMinMax(int xmin, int xmax);
void DrawBarLine (long xx);
void SetDrawBars(tArrayEditDrawBars *x) { draw_bars = x; }
void Init() {}
};
class tRhyArrayEdit : public tArrayEdit
{
int steps_per_count;
int count_per_bar;
int n_bars;
protected:
virtual void DrawXTicks();
public:
tRhyArrayEdit(wxFrame *parent, tRndArray &array, long xx, long yy, long ww, long hh, int style_bits = (ARED_GAP | ARED_XTICKS | ARED_RHYTHM));
void SetMeter(int steps_per_count, int count_per_bar, int n_bars);
};
#endif
#endif
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