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# Instrmnt.h

    00001 #ifndef STK_INSTRMNT_H
    00002 #define STK_INSTRMNT_H
    00003
    00004 #include "Stk.h"
    00005
    00006 namespace stk {
    00007
    00008 /***************************************************/
    00017 /***************************************************/
    00018
    00019 class Instrmnt : public Stk
    00020 {
    00021  public:
    00023   Instrmnt( void ) { lastFrame_.resize( 1, 1, 0.0 ); };
    00024
    00026   virtual void noteOn( StkFloat frequency, StkFloat amplitude ) = 0;
    00027
    00029   virtual void noteOff( StkFloat amplitude ) = 0;
    00030
    00032   virtual void setFrequency( StkFloat frequency );
    00033
    00035   virtual void controlChange(int number, StkFloat value);
    00036
    00038   unsigned int channelsOut( void ) const { return lastFrame_.channels(); };
    00039
    00041   const StkFrames& lastFrame( void ) const { return lastFrame_; };
    00042
    00044
    00052   StkFloat lastOut( unsigned int channel = 0 );
    00053
    00055
    00058   virtual StkFloat tick( unsigned int channel = 0 ) = 0;
    00059
    00061
    00068   virtual StkFrames& tick( StkFrames& frames, unsigned int channel = 0 ) = 0;
    00069
    00070  protected:
    00071
    00072   StkFrames lastFrame_;
    00073
    00074 };
    00075
    00076 inline void Instrmnt :: setFrequency( StkFloat frequency )
    00077 {
    00078   oStream_ << "Instrmnt::setFrequency: virtual setFrequency function call!";
    00079   handleError( StkError::WARNING );
    00080 }
    00081
    00082 inline StkFloat Instrmnt :: lastOut( unsigned int channel )
    00083 {
    00084 #if defined(_STK_DEBUG_)
    00085   if ( channel >= lastFrame_.channels() ) {
    00086     oStream_ << "Instrmnt::lastOut(): channel argument is invalid!";
    00087     handleError( StkError::FUNCTION_ARGUMENT );
    00088   }
    00089 #endif
    00090
    00091   return lastFrame_[channel];
    00092 }
    00093
    00094 inline void Instrmnt :: controlChange( int number, StkFloat value )
    00095 {
    00096   oStream_ << "Instrmnt::controlChange: virtual function call!";
    00097   handleError( StkError::WARNING );
    00098 }
    00099
    00100 } // stk namespace
    00101
    00102 #endif

The Synthesis ToolKit in C++ (STK)
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