pPlotterLayer.cxx

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//----------------------------------------------------------------------------
// Class definition include
//----------------------------------------------------------------------------
#include "pPlotterLayer.h"

// ----------------------------------------------------------------------------
// WX headers inclusion.
// For compilers that support precompilation, includes <wx/wx.h>.
// ----------------------------------------------------------------------------

#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif

#include <vector>
#include <fstream>
#include <iostream>
//----------------------------------------------------------------------------
// Class implementation
//----------------------------------------------------------------------------

IMPLEMENT_ABSTRACT_CLASS(pPlotterLayer, mpLayer)
//----------------------------------------------------------------------------
// Methods
//----------------------------------------------------------------------------


pPlotterLayer:: pPlotterLayer(wxString name , int flags )
{
        SetName(name);
        m_flags = flags;
        points.DeleteContents(TRUE);
        offsetX=0;
        offsetY=0;
}

/*
Draw the line from (x1,y1) to (x2,y2) only passing by the 
positive points in the line
*/
void  pPlotterLayer::draw(wxDC & dc,mpWindow & w,double x1,double y1,double x2,double y2)
{
        
        //intercepts
        float m=((float)(y2-y1))/(x2-x1);
        float x0=-y1/m+x1;
        float y0=-m*x1+y1;      


        //analyzing the curve

                if(x1<=0 && x2>=0)
                {
                        if(y2>=0 && y1>=0)
                                        dc.DrawLine(0,y0, x2,y2);

                        else if(y2<=0 && y1>=0)
                        {
                                if(y0>=0 && x0>=0)
                                        dc.DrawLine(0,y0,x0,0 );
                        }
                        else if(y2>=0 && y1<=0)
                        {
                                if(y0>=0) 
                                dc.DrawLine(0,y0,x2,y2 );
                        }
        
                }

                if(x1>=0 && x2>=0)
                {
                        if(y1>=0 && y2>=0 )
                                dc.DrawLine(x1,y1, x2,y2);
                        else if(y1>=0 && y2<=0)
                                dc.DrawLine(x1,y1,x0,0 );
                        else if(y1<=0 && y2>=0) 
                                        dc.DrawLine(x0,0,x2,y2);
                }
                
                
}
        
void pPlotterLayer::drawSplineCurve(wxDC & dc,mpWindow & w)
{
        std::vector<double> vx=getXSpline();
        std::vector<double> vy=getYSpline();
        wxPoint* ppoints;
        
        int /*counter=0,*/ minX,maxX,minY,maxY; // JPRx
        /*
        This is the offset of every point scale to the window
        pixel
        */
        int offsetpx=getOffsetPixelsXv();
        int offsetpy=getOffsetPixelsYv();
        
        // type of plotter
        int type=getmType();
 
        wxPoint point;
        /***********/
        getMaxShowed(maxX,maxY);
        getMinShowed(minX,minY);
        /***********/

        
        if(type==2)
        {
         /*
                Fill the function if it represented an histogram
          */
                ppoints=(wxPoint*)malloc(sizeof(int)*2*(vx.size()+2));
                //initialize points
                point.x=-5000;
                point.y=-5000;
                ppoints[0]=point;
                ppoints[1]=point;
        }
        
        int size=vx.size();
        int j=2;

        for(int i=0;(i+1)< size;i++)
        {
                
                
                double cxi=(vx.at(i)-minX-offsetX)*scaleX+offsetpx;
                double cyi=(vy.at(i)-minY-offsetY)*scaleY+offsetpy;
                
                double cxj=(vx.at(i+1)-minX-offsetX)*scaleX+offsetpx;
                double cyj=(vy.at(i+1)-minY-offsetY)*scaleY+offsetpy;
                
                
                if(type!=2)     
                        draw(dc,w,cxi,cyi,cxj,cyj);
                else if(type==2)
                {
                        if(!initializePolygon(ppoints,cxi,cyi,cxj,cyj) && ((cxi<=0 && cxj>=0)||(cxi>=0 && cxj>=0)))
                        {
                                        point.x=cxj;
                                        point.y=cyj;
                                        ppoints[j]=point;
                                        j++;
                
                        }
                }
                
        }
        if(type==2)
        {
                //point.x=vx.at(size-1)* scaleX + offsetpx;
                point.x=ppoints[j-1].x;
                point.y=0;
                //ppoints[vx.size()]=point;
                ppoints[j]=point;
                /*
                Fill the function if it represented an histogram
          */
                //ppoints=(wxPoint*)malloc(sizeof(int)*2*(vx.size()+1));
                //settings for fill
                //point.x=vx.at(0)*scaleX + offsetpx;
                point.x=ppoints[0].x;
                point.y=0;
                //ppoints[vx.size()+1]=point;
                ppoints[j+1]=point;

                dc.SetBrush(wxBrush( wxColour(239,238,242) ,wxSOLID  ));
                dc.SetPen(wxPen( wxColour(0,0,0) ,1,wxSOLID  ));
                //dc.DrawPolygon(vx.size()+2,ppoints,0,0);
                dc.DrawPolygon(j+2,ppoints,0,0);
        }
        
        
}

/*
 it define the first point of the polygon for be drawing
 returns true if the first and second point of the polygon are set
*/
bool pPlotterLayer::initializePolygon(wxPoint* points,double x1, double y1,double x2, double y2)
{
        bool setted=false;

                //intercepts
        float m=((float)(y2-y1))/(x2-x1);
        float x0=-y1/m+x1;
        float y0=-m*x1+y1;      

        if(points[0].x<=0&& points[1].x<=0 && points[0].y<=0&& points[1].y<=0)
        {
        
                //int offsetpx=getOffsetPixelsXv(); //JPRx      

                //analyzing the curve

                        if(x1<=0 && x2>=0)
                        {
                                if(y2>=0 && y1>=0)
                                {
                                                //dc.DrawLine(0,y0, x2,y2);
                                                points[0].x=0;
                                                points[0].y=y0;
                                                points[1].x=x2;
                                                points[1].y=y2;
                                                setted=true;                                    
                                        
                                }
                                else if(y2<=0 && y1>=0)
                                {
                                        if(y0>=0 && x0>=0)
                                        {
                                                //dc.DrawLine(0,y0,x0,0 );
                                                points[0].x=0;
                                                points[0].y=y0;
                                                points[1].x=x0;
                                                points[1].y=0;
                                                setted=true;    

                                        }
                                                
                                }
                                else if(y2>=0 && y1<=0)
                                {       
                                        if(y0>=0) 
                                        {       
                                                //dc.DrawLine(0,y0,x2,y2 );
                                                points[0].x=0;
                                                points[0].y=y0;
                                                points[1].x=x2;
                                                points[1].y=y2;
                                                setted=true;    
                                        }
                                }
                
                        }

                        if(x1>=0 && x2>=0)
                        {
                                if(y1>=0 && y2>=0 )
                                {
                                        //dc.DrawLine(x1,y1, x2,y2);
                                        points[0].x=x1;
                                        points[0].y=y1;
                                        points[1].x=x2;
                                        points[1].y=y2;
                                        setted=true;    
                                }
                                else if(y1>=0 && y2<=0)
                                {
                                        //dc.DrawLine(x1,y1,x0,0 );
                                        points[0].x=x1;
                                        points[0].y=y1;
                                        points[1].x=x0;
                                        points[1].y=0;
                                        setted=true;    
                                }
                                else if(y1<=0 && y2>=0) 
                                {       
                                        //dc.DrawLine(x0,0,x2,y2);
                                        points[0].x=x0;
                                        points[0].y=0;
                                        points[1].x=x2;
                                        points[1].y=y2;
                                        setted=true;    
                                }
                        }
                        else
                        return setted;
        }
        else
                return setted;
        return setted; 
}

void pPlotterLayer::drawFunction(wxDC & dc,mpWindow & w)
{

        
        int scrwX,scrwY,offsetpx,offsetpy,maxX,minX,maxY,minY;
        wxPoint* ppoints=NULL;

        /*
        This is the offset of every point scale to the window
        pixel
        */
        offsetpx=getOffsetPixelsXv();
        offsetpy=getOffsetPixelsYv();   

        Rewind();
        
        dc.GetSize(&scrwX, &scrwY);
        
        //Lines between the points
        
        GetPoints(points);

        // type of plotter
        int type=getmType();
        /***********/
        getMaxShowed(maxX,maxY);
        getMinShowed(minX,minY);
        /***********/

        //traslation
        //int xTraslation=getXTraslation(); //JPRx
        wxNode* node= points.GetFirst();
        // int i=1;//points.GetCount()+1; //JPRx
        int j=2;
        /*
         Fill it if it is an histogram
        */
        wxPoint point;
        // pFunctionPoint* pointk; //JPRx
        if(type==2)
        {
                /*
                Fill the function if it represented an histogram
          */
                ppoints=(wxPoint*)malloc(sizeof(int)*2*(points.GetCount()+2));
                //initialize points
                point.x=-5000;
                point.y=-5000;
                ppoints[0]=point;
                ppoints[1]=point;

        }
        
        
        while (node!=NULL && node->GetNext()!=NULL)
        { 
                pFunctionPoint* pointi=(pFunctionPoint*)node->GetData();
                                wxNode* nextNode=node->GetNext();
                pFunctionPoint* pointj=(pFunctionPoint*)nextNode->GetData();
                                                
                // we do the offset
                int pxi=(pointi->getRealX()-minX)-offsetX;
                int pyi=(pointi->getRealY()-minY)-offsetY;
                int pxj=(pointj->getRealX()-minX)-offsetX;
                int pyj=(pointj->getRealY()-minY)-offsetY;


                int cxi=pxi* scaleX + offsetpx; //+ xTraslation;
                int cxj=pxj* scaleX + offsetpx; //+ xTraslation;
                int cyi=pyi* scaleY+ offsetpy ;
                int cyj=pyj* scaleY+ offsetpy ;
                //dc.DrawLine(pxi* scaleX + offsetpx,pyi* scaleY+ offsetpy, pxj* scaleX + offsetpx,pyj* scaleY+ offsetpy );
                if(type!=2)
                        draw(dc,w,pxi* scaleX + offsetpx,pyi* scaleY+ offsetpy, pxj* scaleX + offsetpx,pyj* scaleY+ offsetpy );
                        //dc.DrawLine(pxi* scaleX + offsetpx,pyi* scaleY+ offsetpy, pxj* scaleX + offsetpx,pyj* scaleY+ offsetpy );
                else if(type==2)
                {
                        if(!initializePolygon(ppoints,cxi,cyi,cxj,cyj) && ((cxi<=0 && cxj>=0)||(cxi>=0 && cxj>=0)))
                        {
                                        point.x=cxj;
                                        point.y=cyj;
                                        ppoints[j]=point;
                                        j++;
                
                        }
                }
                
                node=node->GetNext();

        } 
        if(type==2)
        {
                //point.x=vx.at(size-1)* scaleX + offsetpx;
                point.x=ppoints[j-1].x;
                point.y=0;
                //ppoints[vx.size()]=point;
                ppoints[j]=point;
                /*
                Fill the function if it represented an histogram
          */
                //ppoints=(wxPoint*)malloc(sizeof(int)*2*(vx.size()+1));
                //settings for fill
                //point.x=vx.at(0)*scaleX + offsetpx;
                point.x=ppoints[0].x;
                point.y=0;
                //ppoints[vx.size()+1]=point;
                ppoints[j+1]=point;

                dc.SetBrush(wxBrush( wxColour(239,238,242) ,wxSOLID  ));
                dc.SetPen(wxPen( wxColour(0,0,0) ,1,wxSOLID  ));
                //dc.DrawPolygon(vx.size()+2,ppoints,0,0);
                dc.DrawPolygon(j+2,ppoints,0,0);

        }
        
}

void pPlotterLayer::drawPoints(wxDC & dc,mpWindow & w)
{
        
        Rewind();
        double x, y;
        int minX,maxX,minY,maxY;

        
        /*
        This is the offset of every point scale to the window
        pixel
        */
        int offsetpx=getOffsetPixelsXv();
        int offsetpy=getOffsetPixelsYv();
        //traslation
//      int xTraslation=getXTraslation();  //EED
        /*wxPen mypen(*wxBLACK, 5, wxSOLID);
        dc.SetPen(mypen);*/
        /***********/
        getMaxShowed(maxX,maxY);
        getMinShowed(minX,minY);
        /***********/
        //we have to draw the points

        while (GetNextXY(x, y))
        {
                //GetNextXY(x, y);
                //set the points of the polygons
                wxPoint points[4];
                dc.SetBrush(wxBrush( wxColour(255,0,0),wxSOLID  ));
                //dc.SetPen(wxPen(wxColour(0,0,0),1,wxSOLID) );
                points[0].x=((x-minX-offsetX)*scaleX + offsetpx-MOVE);
                points[0].y=((y-minY-offsetY)*scaleY+ offsetpy-MOVE);
                points[1].x=((x-minX-offsetX)*scaleX+ offsetpx+MOVE);
                points[1].y=((y-minY-offsetY)*scaleY+ offsetpy-MOVE);
                points[2].x=((x-minX-offsetX)*scaleX+ offsetpx+MOVE);
                points[2].y=((y-minY-offsetY)*scaleY+ offsetpy+MOVE);
                points[3].x=((x-minX-offsetX)*scaleX+ offsetpx-MOVE);
                points[3].y=((y-minY-offsetY)*scaleY+ offsetpy+MOVE);
                if((x-minX-offsetX)*scaleX >=0 && (y-minY-offsetY/*w.getMinScrY()*/)*scaleY>=0)
                dc.DrawPolygon(4,points,0,0);
        }
}

void pPlotterLayer::drawLineToMousePoint(wxDC & dc,mpWindow & w)
{
        int x,y,sizeP,maxX,maxY,minX,minY;
        bool direction;
        
        Rewind();
        
        getMousePoint(x,y);
        getDirection(direction);
        getSize(sizeP);
        //Lines betwen the points
        GetPoints(points);

        wxNode *node=points.GetLast();
        wxNode *node1=points.GetFirst();
        
        
        /*
        This is the offset of every point scale to the window
        pixel
        */
        int offsetpx = getOffsetPixelsXv();
        int offsetpy = getOffsetPixelsYv();
        /***********/
        getMaxShowed(maxX,maxY);
        getMinShowed(minX,minY);
        /***********/
        //traslation
//      int xTraslation=getXTraslation(); //EED
        
        if(node)
        {
                pFunctionPoint* lastPoint=(pFunctionPoint*)node->GetData();
                pFunctionPoint* firstPoint=(pFunctionPoint*)node1->GetData();

                //LeftDrawing
                if(lastPoint->getRealX()<x && direction && sizeP >=2)
                        
                        dc.DrawLine((lastPoint->getRealX()-minX-offsetX)*scaleX + offsetpx,(lastPoint->getRealY()-minY-offsetY)*scaleY+ offsetpy, (x-minX)*scaleX + offsetpx, (y-minY)*scaleY + offsetpy);
                
                //right drawing
                else if(firstPoint->getRealX()>x && !direction && sizeP >=2 )
                        
                        dc.DrawLine((firstPoint->getRealX()-minX-offsetX)*scaleX+ offsetpx,(firstPoint->getRealY()-minY-offsetY)*scaleY+ offsetpy,(x-minX)*scaleX+ offsetpx, (y-minY)*scaleY+ offsetpy);
                
                //just a point
                else if(sizeP==1 )
                {
                        dc.DrawLine((lastPoint->getRealX()-minX-offsetX)*scaleX + offsetpx,(lastPoint->getRealY()-minY-offsetY)*scaleY+ offsetpy, (x-minX)*scaleX+ offsetpx, (y-minY)*scaleY+ offsetpy);
                }
        }                       
        
        if( w.drawGuideLines() )  
        {
                dc.SetPen(wxPen(  wxColour(255,0,0),1,wxDOT ));
                // Drawing the horizontal guide line    
                dc.DrawLine( 0, (y-minY)*scaleY + offsetpy, (x-minX)*scaleX + offsetpx, (y-minY)*scaleY + offsetpy);                                    
                // Drawing the vertical guide line      
                dc.DrawLine( (x-minX)*scaleX + offsetpx,0, (x-minX)*scaleX + offsetpx, (y-minY)*scaleY + offsetpy);     
        }
}


void pPlotterLayer::Plot(wxDC & dc, mpWindow & w)
{
        bool show,drawing,actual;
        int scrwX,scrwY,maxX,maxY,minX,minY,type;
        float factorZoom;
        
        ifShowPoints(show);
        getDrawing(drawing);
        type=vGetType();
        
        dc.SetPen( m_pen);
        
        /*
         * Managing the scale and zoom
         */
        
        dc.GetSize(&scrwX, &scrwY);
        getIfActual(actual);
        //getMax(maxX, maxY);
        /***********/
        getMaxShowed(maxX,maxY);
        getMinShowed(minX,minY);
        /***********/
        getFactorZoom(factorZoom);
        getOffsets(offsetX,offsetY);
        /*
        maxX=w.getMaxScrX();
        maxY=w.getMaxScrY();
        minX=w.getMinScrX();
        minY=w.getMinScrY();
        */
        if((maxX-minX)!=0 && (maxY-minY)!=0)
        {
                
                scaleX=(((double)scrwX-100)/(maxX-minX))*factorZoom;
                scaleY=(((double)scrwY-50)/(maxY-minY))*factorZoom;
                
                if(actual)
                {
                        w.SetScaleX(scaleX);
                        w.SetScaleY(scaleY);
                        //w.setMinScrX(offsetX);
                        //w.setMinScrY(offsetY);
                }
                
        }
        /*
                Managing the drawing
        */
        int orgx=70;

        
//EED 14Mai2009
//      int orgy=w.GetScrY()-40;
//      dc.SetDeviceOrigin( orgx ,orgy);
//      dc.SetAxisOrientation(true,true);
        
        int orgy = 40;  
        dc.SetDeviceOrigin( orgx ,orgy);
        dc.SetAxisOrientation(true,false);

        

        //if the user dont want to see the points of the function and if he stops drawing
        //we have to draw the function
        if(!show && !drawing && type==1)
                drawFunction(dc,w);
        else if(!show && !drawing && type==2)
                drawSplineCurve(dc,w);
        //we just draw the point that the user just clicked
        else if(drawing && type==1)
        { 
                drawFunction(dc,w);
                drawLineToMousePoint(dc,w);
                drawPoints(dc,w);
        }
        else if(drawing && type==1)
        {
                drawSplineCurve(dc,w);
                drawLineToMousePoint(dc,w);
                drawPoints(dc,w);
        }
        else if(show && type==1)
        {
                drawFunction(dc,w);
                drawPoints(dc,w);
        }
        else if(show && type==2)
        {
                drawSplineCurve(dc,w);
                drawPoints(dc,w);
        }

        // Drawing the guides according to real values entered according to the integrated interaction (IS NOT WORKING!!!)
        if ( actual )
        {
                dc.SetPen(wxPen(  wxColour(255,0,0),1,wxDOT ));
                int offsetpx = getOffsetPixelsXv();
//              int offsetpy = getOffsetPixelsYv();  //EED

                int realX_guide = w.getRealGuideX();
                if( realX_guide!=-1 )
                {
                dc.DrawLine( (realX_guide/*-w.getMinScrX()*/-offsetX)*scaleX + offsetpx, 0, (realX_guide/*-w.getMinScrX()*/-offsetX)*scaleX + offsetpx, scrwY);                 
                }
                        
                int realY_guide = w.getRealGuideY();
                if( realY_guide!=-1 )
                {
                        dc.DrawLine( 0,(realY_guide/*-w.getMinScrY()*/-offsetX)*scaleX + offsetpx, scrwX, (realY_guide/*-w.getMinScrY()*/-offsetX)*scaleX + offsetpx);
                }
        }
   
}