File indexing completed on 2024-04-28 15:08:07

 /* miniSynth - A Simple Software Synthesizer
    SPDX-FileCopyrightText: 2015 Ville Räisänen <vsr at vsr.name>
 
    SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 #ifndef WAVEFORM_H
 #define WAVEFORM_H
 
 #include <qmath.h>
 #include <math.h>
 
 // The Waveform class implements the necessary code for the generation of the
 // basic waveforms. The waveform is computed at the constructor stage and
 // assembled into a wavetable, which is evaluated with the eval(qreal t)
 // function.
 
 class Waveform  {
 public:
     explicit Waveform(unsigned int mode, unsigned int size=4096);
     ~Waveform();    
 
     qreal eval(qreal t);
 
     enum {MODE_SIN, MODE_SAW, MODE_SQU, MODE_SAW2};
 private:
     qreal waveSin (qreal t);
     qreal waveSaw (qreal t);
     qreal waveSqu (qreal t);
     qreal waveSaw2(qreal t);
 
     qreal *waveTable;
     unsigned int tableSize;
     
 public:
     unsigned int mode;
 };
 
 #endif // WAVEFORM_H