DrumSynth.h

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/*
 * DrumSynth.h - DrumSynth DS file renderer
 *
 * Copyright (c) 1998-2000 Paul Kellett (mda-vst.com)
 * Copyright (c) 2007 Paul Giblock <drfaygo/at/gmail.com>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * This program 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.
 *
 * This program 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 this program (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_DRUM_SYNTH_H
#define LMMS_DRUM_SYNTH_H
 
#include <cstddef>
#include <cstdint>
 
#include "LmmsTypes.h"
 
class QString;
 
namespace lmms {
 
class DrumSynth
{
public:
    DrumSynth() = default;
    int GetDSFileSamples(QString dsfile, int16_t*& wave, int channels, sample_rate_t Fs);
 
private:
    float LoudestEnv();
    int LongestEnv();
    void UpdateEnv(int e, long t);
    void GetEnv(int env, const char* sec, const char* key, QString ini);
 
    float waveform(float ph, int form);
 
    std::size_t GetPrivateProfileString(const char* sec,
        const char* key, const char* def, char* buffer,
        std::size_t size, QString file);
    int GetPrivateProfileInt(const char* sec, const char* key, int def, QString file);
    float GetPrivateProfileFloat(const char* sec, const char* key, float def, QString file);
};
 
} // namespace lmms
 
#endif // LMMS_DRUM_SYNTH_H