IPlugExamples/IPlugEEL/IPlugEEL.cpp

   1 #include "IPlugEEL.h"
   2 #include "IPlug_include_in_plug_src.h"
   3 #include "IControl.h"
   4 #include "resource.h"
   5
   6 const int kNumPrograms = 1;
   7
   8 enum EParams
   9 {
  10   kGain = 0,
  11   kNumParams
  12 };
  13
  14 enum ELayout
  15 {
  16   kWidth = GUI_WIDTH,
  17   kHeight = GUI_HEIGHT,
  18
  19   kGainX = 10,
  20   kGainY = 10,
  21   kKnobFrames = 60
  22 };
  23
  24 void NSEEL_HOSTSTUB_EnterMutex()
  25 {
  26   //TODO: implement
  27 }
  28
  29 void NSEEL_HOSTSTUB_LeaveMutex()
  30 {
  31   //TODO: implement
  32 }
  33
  34 IPlugEEL::IPlugEEL(IPlugInstanceInfo instanceInfo)
  35   :     IPLUG_CTOR(kNumParams, kNumPrograms, instanceInfo), mGain(1.)
  36 {
  37   TRACE;
  38
  39   vm = NSEEL_VM_alloc(); // create virtual machine
  40
  41   mVmOutput = NSEEL_VM_regvar(vm, "x"); // register a variable into vm to get a value out
  42
  43   memset(codetext, 0, 65536);
  44   strcpy(codetext, "x=rand(2)-1.;");
  45
  46   codehandle = NSEEL_code_compile(vm, codetext, 0); // compile code
  47
  48   //arguments are: name, defaultVal, minVal, maxVal, step, label
  49   GetParam(kGain)->InitDouble("Gain", 50., 0., 100.0, 0.01, "%");
  50   GetParam(kGain)->SetShape(2.);
  51
  52   IGraphics* pGraphics = MakeGraphics(this, kWidth, kHeight);
  53   pGraphics->AttachPanelBackground(&COLOR_RED);
  54
  55   IBitmap knob = pGraphics->LoadIBitmap(KNOB_ID, KNOB_FN, kKnobFrames);
  56
  57   pGraphics->AttachControl(new IKnobMultiControl(this, kGainX, kGainY, kGain, &knob));
  58
  59   IRECT textRect(5, 70, kWidth-5, kHeight-5);
  60   IText textProps(15, &COLOR_BLACK, "Arial", IText::kStyleNormal, IText::kAlignNear, 0, IText::kQualityDefault);
  61
  62   mTextControl = new AlgDisplay(this, textRect, &textProps, codetext);
  63   pGraphics->AttachControl(mTextControl);
  64
  65   AttachGraphics(pGraphics);
  66
  67   //MakePreset("preset 1", ... );
  68   MakeDefaultPreset((char *) "-", kNumPrograms);
  69 }
  70
  71 IPlugEEL::~IPlugEEL()
  72 {
  73   NSEEL_code_free(codehandle);
  74   NSEEL_VM_free(vm);
  75 }
  76
  77 void IPlugEEL::ProcessDoubleReplacing(double** inputs, double** outputs, int nFrames)
  78 {
  79   // Mutex is already locked for us.
  80
  81   double* in1 = inputs[0];
  82   double* in2 = inputs[1];
  83   double* out1 = outputs[0];
  84   double* out2 = outputs[1];
  85
  86   for (int s = 0; s < nFrames; ++s, ++in1, ++in2, ++out1, ++out2)
  87   {
  88     NSEEL_code_execute(codehandle);
  89     *out1 = *mVmOutput * mGain;
  90     *out2 = *out1;
  91   }
  92 }
  93
  94 void IPlugEEL::Reset()
  95 {
  96   TRACE;
  97   IMutexLock lock(this);
  98
  99   //double sr = GetSampleRate();
 100 }
 101
 102 void IPlugEEL::OnParamChange(int paramIdx)
 103 {
 104   IMutexLock lock(this);
 105
 106   switch (paramIdx)
 107   {
 108     case kGain:
 109       mGain = GetParam(kGain)->Value() / 100.;
 110       break;
 111
 112     default:
 113       break;
 114   }
 115 }