f@0: #ifndef STK_GENERATOR_H
f@0: #define STK_GENERATOR_H
f@0: 
f@0: #include "Stk.h"
f@0: 
f@0: namespace stk {
f@0: 
f@0: /***************************************************/
f@0: /*! \class Generator
f@0:     \brief STK abstract unit generator parent class.
f@0: 
f@0:     This class provides limited common functionality for STK unit
f@0:     generator sample-source subclasses.  It is general enough to
f@0:     support both monophonic and polyphonic output classes.
f@0: 
f@0:     by Perry R. Cook and Gary P. Scavone, 1995--2014.
f@0: */
f@0: /***************************************************/
f@0: 
f@0: class Generator : public Stk
f@0: {
f@0:  public:
f@0: 
f@0:   //! Class constructor.
f@0:   Generator( void ) { lastFrame_.resize( 1, 1, 0.0 ); };
f@0: 
f@0:   //! Return the number of output channels for the class.
f@0:   unsigned int channelsOut( void ) const { return lastFrame_.channels(); };
f@0: 
f@0:   //! Return an StkFrames reference to the last output sample frame.
f@0:   const StkFrames& lastFrame( void ) const { return lastFrame_; };
f@0: 
f@0:   //! Fill the StkFrames object with computed sample frames, starting at the specified channel.
f@0:   /*!
f@0:     The \c channel argument plus the number of output channels must
f@0:     be less than the number of channels in the StkFrames argument (the
f@0:     first channel is specified by 0).  However, range checking is only
f@0:     performed if _STK_DEBUG_ is defined during compilation, in which
f@0:     case an out-of-range value will trigger an StkError exception.
f@0:   */
f@0:   virtual StkFrames& tick( StkFrames& frames, unsigned int channel = 0 ) = 0;
f@0: 
f@0:   protected:
f@0: 
f@0:   StkFrames lastFrame_;
f@0: };
f@0: 
f@0: } // stk namespace
f@0: 
f@0: #endif