kc/src/tlCtl/gvHashFunc.cpp

//| Copyright: (C) 2019-2020 Kevin Larke <contact AT larke DOT org> 
//| License: GNU GPL version 3.0 or above. See the accompanying LICENSE file.
#include "cmPrefix.h"
#include "cmGlobal.h"
#include "cmFloatTypes.h"
#include "cmRpt.h"
#include "cmErr.h"
#include "cmCtx.h"
#include "cmTime.h"
#include "cmMidi.h"
#include "cmGr.h"
#include "gvHashFunc.h"

void gvRoundHashValueFunc(  void* arg, cmChar_t* label, unsigned labelCharCnt, cmGrV_t value )
{
  snprintf(label,labelCharCnt,"%i",(int)round(value));
}

void gvMidiSciPitchValueFunc( void* arg, cmChar_t* label, unsigned labelCharCnt, cmGrV_t value )
{
  assert( label != NULL && labelCharCnt > 0 );

  if( labelCharCnt > 0 )
    label[0] = 0;

  if( 0 <= value && value <= 127 )
    cmMidiToSciPitch((cmMidiByte_t)floor(value), label, labelCharCnt );
  else
  {
    if( labelCharCnt > 3 )
      strcpy(label,"?");
  }
}
void gvMinSecMsHashValueFunc( void* arg, cmChar_t* label, unsigned labelCharCnt, cmGrV_t value )
{
  gvHashFuncArg* p = (gvHashFuncArg*)arg;
  
  int min=0,sec=0,ms=0;

  double smpPerMin = p->sampleRate() * 60.0;
  double smpPerMs  = p->sampleRate() / 1000.0;

  if( value > smpPerMin ) 
  {
    min    = (int)floor( value / smpPerMin );
    value -= min * smpPerMin;
  }

  if( value > p->sampleRate() )
  {
    sec    = (int)floor( value / p->sampleRate() );
    value -= sec * p->sampleRate();
  }


  if( value > smpPerMs )
  {
    ms     = (int)floor( value / smpPerMs );
    value -= ms * smpPerMs;
  }

  snprintf(label,labelCharCnt,"%i:%2i:%2i",min,sec,ms); 
}