Computational routine
eng

cscope

File content

/**
   \file cscope.c
   \author Benoit Bayol
   \version 1.0
   \date September 2006 - January 2007
   \brief CSCOPE is a typical scope which links its input to the simulation time but there is only one input instead of CMSCOPE
   \see CSCOPE.sci in macros/scicos_blocks/Sinks/
*/

#include "scoMemoryScope.h"
#include "scoWindowScope.h"
#include "scoMisc.h"
#include "scoGetProperty.h"
#include "scoSetProperty.h"
#include "scicos_block4.h"

/** \fn cscope_draw(scicos_block * block, ScopeMemory ** pScopeMemory, int firstdraw)
    \brief Function to draw or redraw the window
*/
void cscope_draw(scicos_block * block, ScopeMemory ** pScopeMemory, int firstdraw)
{
  int i;
  double *rpar;
  int *ipar, nipar;
  double period;
  int dimension;
  double ymin, ymax, xmin, xmax;
  int buffer_size;
  int win_pos[2];
  int win_dim[2];
  int win;
  int number_of_subwin;
  int number_of_curves_by_subwin[1];
  int * colors;
  char *label;

  /*Retrieving Parameters*/
  rpar = GetRparPtrs(block);
  ipar = GetIparPtrs(block);
  nipar = GetNipar(block);
  buffer_size = ipar[2];
  win = ipar[0];
  period  = rpar[3];
  win_pos[0] = ipar[(nipar-1) - 3];
  win_pos[1] = ipar[(nipar-1) - 2];
  win_dim[0] = ipar[(nipar-1) - 1];
  win_dim[1] = ipar[nipar-1];
  dimension = 2;
  number_of_curves_by_subwin[0] = GetInPortRows(block,1);

  number_of_subwin = 1;
  ymin  = rpar[1];
  ymax  = rpar[2];
  label = GetLabelPtrs(block);

  colors = (int*)scicos_malloc(number_of_curves_by_subwin[0]*sizeof(int));
  for(i = 0 ; i < number_of_curves_by_subwin[0] ; i++)
    {
      colors[i] = ipar[3+i];
    }

  /*Allocating memory*/
  if(firstdraw == 1)
    {
      scoInitScopeMemory(GetPtrWorkPtrs(block),pScopeMemory, number_of_subwin, number_of_curves_by_subwin);
      /*Must be placed before adding polyline or other elements*/
      scoSetLongDrawSize(*pScopeMemory, 0, 50);
      scoSetShortDrawSize(*pScopeMemory,0,buffer_size);
      scoSetPeriod(*pScopeMemory,0,period);
    }

  xmin = period*scoGetPeriodCounter(*pScopeMemory,0);
  xmax = period*(scoGetPeriodCounter(*pScopeMemory,0)+1);

  /*Creating the Scope*/
  scoInitOfWindow(*pScopeMemory, dimension, win, win_pos, win_dim, &xmin, &xmax, &ymin, &ymax, NULL, NULL);
  if(scoGetScopeActivation(*pScopeMemory) == 1)
    {
      scoAddTitlesScope(*pScopeMemory,label,"t","y",NULL);
      /*Add a couple of polyline : one for the shortdraw and one for the longdraw*/
      scoAddCoupleOfPolylines(*pScopeMemory,colors);
      /* scoAddPolylineLineStyle(*pScopeMemory,colors); */
    }
  scicos_free(colors);
}

/** \fn void cscope(scicos_block * block,int flag)
    \brief the computational function
    \param block A pointer to a scicos_block
    \param flag An integer which indicates the state of the block (init, update, ending)
*/
void cscope(scicos_block * block,int flag)
{
  void **_work=GetPtrWorkPtrs(block);
  ScopeMemory * pScopeMemory;
  int i;
  double t;
  int NbrPtsShort;
  double * u1;
  scoGraphicalObject pShortDraw;
  int **user_data_ptr,*size_ptr;

  switch(flag)
    {
    case Initialization:
      {
	cscope_draw(block,&pScopeMemory,1);
	break;
      }
    case StateUpdate:
      {
	scoRetrieveScopeMemory(_work,&pScopeMemory);
	if(scoGetPointerScopeWindow(pScopeMemory) == NULL) return;
	if(scoGetScopeActivation(pScopeMemory) == 1)
	  {
	    t = GetScicosTime(block);
	/*Retreiving Scope in the _work*/
	    

	/*Maybe we are in the end of axes so we have to draw new ones */
	scoRefreshDataBoundsX(pScopeMemory,t);

	//Cannot be factorized depends of the scope
	u1 = GetRealInPortPtrs(block,1);
	for (i = 0 ; i < scoGetNumberOfCurvesBySubwin(pScopeMemory,0) ; i++)
	  {
	    pShortDraw  = scoGetPointerShortDraw(pScopeMemory,0,i);
	    NbrPtsShort = pPOLYLINE_FEATURE(pShortDraw)->n1;
	    pPOLYLINE_FEATURE(pShortDraw)->pvx[NbrPtsShort] = t;
	    pPOLYLINE_FEATURE(pShortDraw)->pvy[NbrPtsShort] = u1[i];
	    pPOLYLINE_FEATURE(pShortDraw)->n1++;
	  }
	//End of Cannot

	//Draw the Scope
	scoDrawScopeAmplitudeTimeStyle(pScopeMemory, t);
	  }
	break;
      }
    case Ending:
      {
	scoRetrieveScopeMemory(_work, &pScopeMemory);
        if(scoGetScopeActivation(pScopeMemory) == 1) {
          if(scoGetPointerScopeWindow(pScopeMemory) != NULL) {
            sciSetUsedWindow(scoGetWindowID(pScopeMemory));
            pShortDraw = sciGetCurrentFigure();
            sciGetPointerToUserData (pShortDraw,&user_data_ptr, &size_ptr);
            FREE(*user_data_ptr);
            *user_data_ptr=NULL;
            *size_ptr = 0;
            scoDelCoupleOfPolylines(pScopeMemory);
          }
        }
	scoFreeScopeMemory(_work, &pScopeMemory);
	break;  
      }
    }
}