EvaluatorBase.h

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// -*- C++ -*-

// Copyright (C) 2002 Ralf Deiterding
// Brandenburgische Universitaet Cottbus
//
// Copyright (C) 2003-2007 California Institute of Technology
// Ralf Deiterding, ralf@amroc.net

#ifndef AMROC_EVALUATORBASE_H
#define AMROC_EVALUATORBASE_H

#include "IO/control-device.h"

#include <cstdio>
#include <cfloat>

#define LEN_TKEYS 80

class VisualGridBase;

class EvaluatorBase : public controlable {
public:
  EvaluatorBase() {
    tkeys = (char *) 0;
    fkeys = (int *) 0;
    ikeys = (int *) 0;
    mvals = (float *) 0;
    std::sprintf(title,"HDF-Visualizer for scalar functions");
  }

  ~EvaluatorBase() {
    if (tkeys) delete [] tkeys;
    if (fkeys) delete [] fkeys;
    if (ikeys) delete [] ikeys;
    if (mvals) delete [] mvals;
  } 

  virtual void register_at(ControlDevice& Ctrl) {}
  virtual void register_at(ControlDevice& Ctrl,const std::string& prefix) {}
  virtual void init() {}
  virtual void update() {}
  virtual void finish() {}
 
  virtual void SetUp(VisualGridBase *gr) {
    Grid = gr;
    if (tkeys) delete [] tkeys;
    if (fkeys) delete [] fkeys;
    if (ikeys) delete [] ikeys;
    if (mvals) delete [] mvals;

    tkeys = new char[NKeys() * LEN_TKEYS];
    std::sprintf(&(tkeys[0]),"Function       ");
    fkeys = new int[NKeys()];
    fkeys[0] = 1;
    ikeys = new int[NKeys()];
    ikeys[0] = 102; 

    mvals = new float[2*NKeys()];
    for (int i=0; i<NKeys(); i++) {
      mvals[2*i] = FLT_MAX; mvals[2*i+1] = FLT_MIN; 
    }
  }    

  virtual int NKeys() const { return 1; }

  char* TitleKeys() const { return tkeys; }
  char* TitleKeys(int n) const { return &(tkeys[n*LEN_TKEYS]); }
  int* FunctionsKeys() const { return fkeys; }
  int* KeyboardKeys() const { return ikeys; }
  float* Mvals() const { return mvals; }
  float* Mvals(int n) const { return &(mvals[2*n]); }
  char* Title() { return title; }
  VisualGridBase& TheGrid() { return *Grid; }
  VisualGridBase& TheGrid() const { return *Grid; }

public:
  float* mvals;
protected:
  char* tkeys;
  int* fkeys;
  int* ikeys;
  char title[LEN_TKEYS];
  VisualGridBase* Grid;
};


#endif

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