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  1. /* SpiralSound
  2. * Copyleft (C) 2001 David Griffiths <dave@pawfal.org>
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17. */
  18. #include "../SpiralPlugin.h"
  19. #include <FL/Fl_Pixmap.H>
  20. #ifndef ECHOPLUGIN
  21. #define ECHOPLUGIN
  22. class EchoPlugin : public SpiralPlugin
  23. {
  24. public:
  25. EchoPlugin();
  26. virtual ~EchoPlugin();
  27. virtual PluginInfo &Initialise(const HostInfo *Host);
  28. virtual SpiralGUIType *CreateGUI();
  29. virtual void Execute();
  30. virtual void StreamOut(ostream &s);
  31. virtual void StreamIn(istream &s);
  32. // has to be defined in the plugin
  33. virtual void UpdateGUI() { Fl::check(); }
  34. void SetDelay(float s) { m_Delay=s; }
  35. void SetFeedback(float s) { m_Feedback=s; }
  36. float GetDelay() { return m_Delay; }
  37. float GetFeedback() { return m_Feedback; }
  38. void Randomise();
  39. private:
  40. float m_Delay;
  41. float m_Feedback;
  42. int m_HeadPos;
  43. Sample m_Buffer;
  44. friend istream &operator>>(istream &s, EchoPlugin &o);
  45. friend ostream &operator<<(ostream &s, EchoPlugin &o);
  46. };
  47. istream &operator>>(istream &s, EchoPlugin &o);
  48. ostream &operator<<(ostream &s, EchoPlugin &o);
  49. #endif