lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/pPlotterLayer.cxx

   1 //----------------------------------------------------------------------------
   2 // Class definition include
   3 //----------------------------------------------------------------------------
   4 #include "pPlotterLayer.h"
   5
   6 // ----------------------------------------------------------------------------
   7 // WX headers inclusion.
   8 // For compilers that support precompilation, includes <wx/wx.h>.
   9 // ----------------------------------------------------------------------------
  10
  11 #ifndef WX_PRECOMP
  12 #include <wx/wx.h>
  13 #endif
  14
  15 #include <vector>
  16 #include <fstream>
  17 #include <iostream>
  18 //----------------------------------------------------------------------------
  19 // Class implementation
  20 //----------------------------------------------------------------------------
  21
  22 IMPLEMENT_ABSTRACT_CLASS(pPlotterLayer, mpLayer)
  23 //----------------------------------------------------------------------------
  24 // Methods
  25 //----------------------------------------------------------------------------
  26
  27 /**
  28 *@param name  Label
  29 *@param flags Label alignment, pass one of #mpALIGN_NE, #mpALIGN_NW, #mpALIGN_SW, #mpALIGN_SE.
  30 */
  31 pPlotterLayer:: pPlotterLayer(wxString name , int flags )
  32 {
  33         SetName(name);
  34         m_flags = flags;
  35         points.DeleteContents(TRUE);
  36         offsetX=0;
  37         offsetY=0;
  38 }
  39
  40 /*
  41 Draw the line from (x1,y1) to (x2,y2) only passing by the
  42 positive points in the line
  43 */
  44 void  pPlotterLayer::draw(wxDC & dc,mpWindow & w,double x1,double y1,double x2,double y2)
  45 {
  46
  47         //intercepts
  48         float m=((float)(y2-y1))/(x2-x1);
  49         float x0=-y1/m+x1;
  50         float y0=-m*x1+y1;
  51
  52
  53         //analyzing the curve
  54
  55                 if(x1<=0 && x2>=0)
  56                 {
  57                         if(y2>=0 && y1>=0)
  58                                         dc.DrawLine(0,y0, x2,y2);
  59
  60                         else if(y2<=0 && y1>=0)
  61                         {
  62                                 if(y0>=0 && x0>=0)
  63                                         dc.DrawLine(0,y0,x0,0 );
  64                         }
  65                         else if(y2>=0 && y1<=0)
  66                         {
  67                                 if(y0>=0)
  68                                 dc.DrawLine(0,y0,x2,y2 );
  69                         }
  70
  71                 }
  72
  73                 if(x1>=0 && x2>=0)
  74                 {
  75                         if(y1>=0 && y2>=0 )
  76                                 dc.DrawLine(x1,y1, x2,y2);
  77                         else if(y1>=0 && y2<=0)
  78                                 dc.DrawLine(x1,y1,x0,0 );
  79                         else if(y1<=0 && y2>=0)
  80                                         dc.DrawLine(x0,0,x2,y2);
  81                 }
  82
  83
  84 }
  85
  86 /**
  87 * Draw the function with th spline points
  88 *
  89 */
  90 void pPlotterLayer::drawSplineCurve(wxDC & dc,mpWindow & w)
  91 {
  92         std::vector<double> vx=getXSpline();
  93         std::vector<double> vy=getYSpline();
  94         wxPoint* ppoints;
  95
  96         int counter=0,minX,maxX,minY,maxY;
  97         /*
  98         This is the offset of every point scale to the window
  99         pixel
 100         */
 101         int offsetpx=getOffsetPixelsXv();
 102         int offsetpy=getOffsetPixelsYv();
 103
 104         // type of plotter
 105         int type=getmType();
 106
 107         wxPoint point;
 108         /***********/
 109         getMaxShowed(maxX,maxY);
 110         getMinShowed(minX,minY);
 111         /***********/
 112
 113
 114         if(type==2)
 115         {
 116          /*
 117                 Fill the function if it represented an histogram
 118           */
 119                 ppoints=(wxPoint*)malloc(sizeof(int)*2*(vx.size()+2));
 120                 //initialize points
 121                 point.x=-5000;
 122                 point.y=-5000;
 123                 ppoints[0]=point;
 124                 ppoints[1]=point;
 125         }
 126
 127         int size=vx.size();
 128         int j=2;
 129
 130         for(int i=0;(i+1)< size;i++)
 131         {
 132
 133
 134                 double cxi=(vx.at(i)-minX-offsetX)*scaleX+offsetpx;
 135                 double cyi=(vy.at(i)-minY-offsetY)*scaleY+offsetpy;
 136
 137                 double cxj=(vx.at(i+1)-minX-offsetX)*scaleX+offsetpx;
 138                 double cyj=(vy.at(i+1)-minY-offsetY)*scaleY+offsetpy;
 139
 140
 141                 if(type!=2)
 142                         draw(dc,w,cxi,cyi,cxj,cyj);
 143                 else if(type==2)
 144                 {
 145                         if(!initializePolygon(ppoints,cxi,cyi,cxj,cyj) && ((cxi<=0 && cxj>=0)||(cxi>=0 && cxj>=0)))
 146                         {
 147                                         point.x=cxj;
 148                                         point.y=cyj;
 149                                         ppoints[j]=point;
 150                                         j++;
 151
 152                         }
 153                 }
 154
 155         }
 156         if(type==2)
 157         {
 158                 //point.x=vx.at(size-1)* scaleX + offsetpx;
 159                 point.x=ppoints[j-1].x;
 160                 point.y=0;
 161                 //ppoints[vx.size()]=point;
 162                 ppoints[j]=point;
 163                 /*
 164                 Fill the function if it represented an histogram
 165           */
 166                 //ppoints=(wxPoint*)malloc(sizeof(int)*2*(vx.size()+1));
 167                 //settings for fill
 168                 //point.x=vx.at(0)*scaleX + offsetpx;
 169                 point.x=ppoints[0].x;
 170                 point.y=0;
 171                 //ppoints[vx.size()+1]=point;
 172                 ppoints[j+1]=point;
 173
 174                 dc.SetBrush(wxBrush( wxColour(239,238,242) ,wxSOLID  ));
 175                 dc.SetPen(wxPen( wxColour(0,0,0) ,1,wxSOLID  ));
 176                 //dc.DrawPolygon(vx.size()+2,ppoints,0,0);
 177                 dc.DrawPolygon(j+2,ppoints,0,0);
 178         }
 179
 180
 181 }
 182
 183 /*
 184  it define the first point of the polygon for be drawing
 185  returs true if the first and second point of the polygon are setted
 186 */
 187 bool pPlotterLayer::initializePolygon(wxPoint* points,double x1, double y1,double x2, double y2)
 188 {
 189         bool setted=false;
 190
 191                 //intercepts
 192         float m=((float)(y2-y1))/(x2-x1);
 193         float x0=-y1/m+x1;
 194         float y0=-m*x1+y1;
 195
 196         if(points[0].x<=0&& points[1].x<=0 && points[0].y<=0&& points[1].y<=0)
 197         {
 198
 199                 int offsetpx=getOffsetPixelsXv();
 200
 201                 //analyzing the curve
 202
 203                         if(x1<=0 && x2>=0)
 204                         {
 205                                 if(y2>=0 && y1>=0)
 206                                 {
 207                                                 //dc.DrawLine(0,y0, x2,y2);
 208                                                 points[0].x=0;
 209                                                 points[0].y=y0;
 210                                                 points[1].x=x2;
 211                                                 points[1].y=y2;
 212                                                 setted=true;
 213
 214                                 }
 215                                 else if(y2<=0 && y1>=0)
 216                                 {
 217                                         if(y0>=0 && x0>=0)
 218                                         {
 219                                                 //dc.DrawLine(0,y0,x0,0 );
 220                                                 points[0].x=0;
 221                                                 points[0].y=y0;
 222                                                 points[1].x=x0;
 223                                                 points[1].y=0;
 224                                                 setted=true;
 225
 226                                         }
 227
 228                                 }
 229                                 else if(y2>=0 && y1<=0)
 230                                 {
 231                                         if(y0>=0)
 232                                         {
 233                                                 //dc.DrawLine(0,y0,x2,y2 );
 234                                                 points[0].x=0;
 235                                                 points[0].y=y0;
 236                                                 points[1].x=x2;
 237                                                 points[1].y=y2;
 238                                                 setted=true;
 239                                         }
 240                                 }
 241
 242                         }
 243
 244                         if(x1>=0 && x2>=0)
 245                         {
 246                                 if(y1>=0 && y2>=0 )
 247                                 {
 248                                         //dc.DrawLine(x1,y1, x2,y2);
 249                                         points[0].x=x1;
 250                                         points[0].y=y1;
 251                                         points[1].x=x2;
 252                                         points[1].y=y2;
 253                                         setted=true;
 254                                 }
 255                                 else if(y1>=0 && y2<=0)
 256                                 {
 257                                         //dc.DrawLine(x1,y1,x0,0 );
 258                                         points[0].x=x1;
 259                                         points[0].y=y1;
 260                                         points[1].x=x0;
 261                                         points[1].y=0;
 262                                         setted=true;
 263                                 }
 264                                 else if(y1<=0 && y2>=0)
 265                                 {
 266                                         //dc.DrawLine(x0,0,x2,y2);
 267                                         points[0].x=x0;
 268                                         points[0].y=0;
 269                                         points[1].x=x2;
 270                                         points[1].y=y2;
 271                                         setted=true;
 272                                 }
 273                         }
 274                         else
 275                         return setted;
 276         }
 277         else
 278                 return setted;
 279 }
 280
 281 /**
 282 * Draw le lines between the points of the function
 283 */
 284 void pPlotterLayer::drawFunction(wxDC & dc,mpWindow & w)
 285 {
 286
 287
 288         int scrwX,scrwY,offsetpx,offsetpy,maxX,minX,maxY,minY;
 289         wxPoint* ppoints=NULL;
 290
 291         /*
 292         This is the offset of every point scale to the window
 293         pixel
 294         */
 295         offsetpx=getOffsetPixelsXv();
 296         offsetpy=getOffsetPixelsYv();
 297
 298
 299         Rewind();
 300
 301
 302         dc.GetSize(&scrwX, &scrwY);
 303
 304         //Lines between the points
 305
 306         GetPoints(points);
 307
 308         // type of plotter
 309         int type=getmType();
 310         /***********/
 311         getMaxShowed(maxX,maxY);
 312         getMinShowed(minX,minY);
 313         /***********/
 314
 315         //traslation
 316         int xTraslation=getXTraslation();
 317         wxNode* node= points.GetFirst();
 318         int i=1;//points.GetCount()+1;
 319         int j=2;
 320         /*
 321          Fill it if it is an histogram
 322         */
 323         wxPoint point;
 324         pFunctionPoint* pointk;
 325         if(type==2)
 326         {
 327                 /*
 328                 Fill the function if it represented an histogram
 329           */
 330                 ppoints=(wxPoint*)malloc(sizeof(int)*2*(points.GetCount()+2));
 331                 //initialize points
 332                 point.x=-5000;
 333                 point.y=-5000;
 334                 ppoints[0]=point;
 335                 ppoints[1]=point;
 336
 337         }
 338
 339
 340         while (node!=NULL && node->GetNext()!=NULL)
 341         {
 342                 pFunctionPoint* pointi=(pFunctionPoint*)node->GetData();
 343                                 wxNode* nextNode=node->GetNext();
 344                 pFunctionPoint* pointj=(pFunctionPoint*)nextNode->GetData();
 345
 346                 // we do the offset
 347                 int pxi=(pointi->getRealX()-minX)-offsetX;
 348                 int pyi=(pointi->getRealY()-minY)-offsetY;
 349                 int pxj=(pointj->getRealX()-minX)-offsetX;
 350                 int pyj=(pointj->getRealY()-minY)-offsetY;
 351
 352
 353                 int cxi=pxi* scaleX + offsetpx; //+ xTraslation;
 354                 int cxj=pxj* scaleX + offsetpx; //+ xTraslation;
 355                 int cyi=pyi* scaleY+ offsetpy ;
 356                 int cyj=pyj* scaleY+ offsetpy ;
 357                 //dc.DrawLine(pxi* scaleX + offsetpx,pyi* scaleY+ offsetpy, pxj* scaleX + offsetpx,pyj* scaleY+ offsetpy );
 358                 if(type!=2)
 359                         draw(dc,w,pxi* scaleX + offsetpx,pyi* scaleY+ offsetpy, pxj* scaleX + offsetpx,pyj* scaleY+ offsetpy );
 360                         //dc.DrawLine(pxi* scaleX + offsetpx,pyi* scaleY+ offsetpy, pxj* scaleX + offsetpx,pyj* scaleY+ offsetpy );
 361                 else if(type==2)
 362                 {
 363                         if(!initializePolygon(ppoints,cxi,cyi,cxj,cyj) && ((cxi<=0 && cxj>=0)||(cxi>=0 && cxj>=0)))
 364                         {
 365                                         point.x=cxj;
 366                                         point.y=cyj;
 367                                         ppoints[j]=point;
 368                                         j++;
 369
 370                         }
 371                 }
 372
 373                 node=node->GetNext();
 374
 375         }
 376         if(type==2)
 377         {
 378                 //point.x=vx.at(size-1)* scaleX + offsetpx;
 379                 point.x=ppoints[j-1].x;
 380                 point.y=0;
 381                 //ppoints[vx.size()]=point;
 382                 ppoints[j]=point;
 383                 /*
 384                 Fill the function if it represented an histogram
 385           */
 386                 //ppoints=(wxPoint*)malloc(sizeof(int)*2*(vx.size()+1));
 387                 //settings for fill
 388                 //point.x=vx.at(0)*scaleX + offsetpx;
 389                 point.x=ppoints[0].x;
 390                 point.y=0;
 391                 //ppoints[vx.size()+1]=point;
 392                 ppoints[j+1]=point;
 393
 394                 dc.SetBrush(wxBrush( wxColour(239,238,242) ,wxSOLID  ));
 395                 dc.SetPen(wxPen( wxColour(0,0,0) ,1,wxSOLID  ));
 396                 //dc.DrawPolygon(vx.size()+2,ppoints,0,0);
 397                 dc.DrawPolygon(j+2,ppoints,0,0);
 398
 399         }
 400
 401 }
 402
 403 /**
 404 *  Draw the points of the function
 405 */
 406 void pPlotterLayer::drawPoints(wxDC & dc,mpWindow & w)
 407 {
 408
 409         Rewind();
 410         double x, y;
 411         int minX,maxX,minY,maxY;
 412
 413
 414         /*
 415         This is the offset of every point scale to the window
 416         pixel
 417         */
 418         int offsetpx=getOffsetPixelsXv();
 419         int offsetpy=getOffsetPixelsYv();
 420         //traslation
 421         int xTraslation=getXTraslation();
 422         /*wxPen mypen(*wxBLACK, 5, wxSOLID);
 423         dc.SetPen(mypen);*/
 424         /***********/
 425         getMaxShowed(maxX,maxY);
 426         getMinShowed(minX,minY);
 427         /***********/
 428         //we have to draw the points
 429
 430         while (GetNextXY(x, y))
 431         {
 432                 //GetNextXY(x, y);
 433                 //set the points of the polygons
 434                 wxPoint points[4];
 435                 dc.SetBrush(wxBrush( wxColour(255,0,0),wxSOLID  ));
 436                 //dc.SetPen(wxPen(wxColour(0,0,0),1,wxSOLID) );
 437                 points[0].x=((x-minX-offsetX)*scaleX + offsetpx-MOVE);
 438                 points[0].y=((y-minY-offsetY)*scaleY+ offsetpy-MOVE);
 439                 points[1].x=((x-minX-offsetX)*scaleX+ offsetpx+MOVE);
 440                 points[1].y=((y-minY-offsetY)*scaleY+ offsetpy-MOVE);
 441                 points[2].x=((x-minX-offsetX)*scaleX+ offsetpx+MOVE);
 442                 points[2].y=((y-minY-offsetY)*scaleY+ offsetpy+MOVE);
 443                 points[3].x=((x-minX-offsetX)*scaleX+ offsetpx-MOVE);
 444                 points[3].y=((y-minY-offsetY)*scaleY+ offsetpy+MOVE);
 445                 if((x-minX-offsetX)*scaleX >=0 && (y-minY-offsetY/*w.getMinScrY()*/)*scaleY>=0)
 446                 dc.DrawPolygon(4,points,0,0);
 447         }
 448 }
 449
 450 /**
 451 * Draw the line between the last point of the function
 452 * and the position of the mouse
 453 */
 454 void pPlotterLayer::drawLineToMousePoint(wxDC & dc,mpWindow & w)
 455 {
 456         int x,y,sizeP,maxX,maxY,minX,minY;
 457         bool direction;
 458
 459         Rewind();
 460
 461         getMousePoint(x,y);
 462         getDirection(direction);
 463         getSize(sizeP);
 464         //Lines betwen the points
 465         GetPoints(points);
 466
 467         wxNode *node=points.GetLast();
 468         wxNode *node1=points.GetFirst();
 469
 470
 471         /*
 472         This is the offset of every point scale to the window
 473         pixel
 474         */
 475         int offsetpx = getOffsetPixelsXv();
 476         int offsetpy = getOffsetPixelsYv();
 477         /***********/
 478         getMaxShowed(maxX,maxY);
 479         getMinShowed(minX,minY);
 480         /***********/
 481         //traslation
 482         int xTraslation=getXTraslation();
 483
 484         if(node)
 485         {
 486                 pFunctionPoint* lastPoint=(pFunctionPoint*)node->GetData();
 487                 pFunctionPoint* firstPoint=(pFunctionPoint*)node1->GetData();
 488
 489                 //LeftDrawing
 490                 if(lastPoint->getRealX()<x && direction && sizeP >=2)
 491
 492                         dc.DrawLine((lastPoint->getRealX()-minX-offsetX)*scaleX + offsetpx,(lastPoint->getRealY()-minY-offsetY)*scaleY+ offsetpy, (x-minX)*scaleX + offsetpx, (y-minY)*scaleY + offsetpy);
 493
 494                 //right drawing
 495                 else if(firstPoint->getRealX()>x && !direction && sizeP >=2 )
 496
 497                         dc.DrawLine((firstPoint->getRealX()-minX-offsetX)*scaleX+ offsetpx,(firstPoint->getRealY()-minY-offsetY)*scaleY+ offsetpy,(x-minX)*scaleX+ offsetpx, (y-minY)*scaleY+ offsetpy);
 498
 499                 //just a point
 500                 else if(sizeP==1 )
 501                 {
 502                         dc.DrawLine((lastPoint->getRealX()-minX-offsetX)*scaleX + offsetpx,(lastPoint->getRealY()-minY-offsetY)*scaleY+ offsetpy, (x-minX)*scaleX+ offsetpx, (y-minY)*scaleY+ offsetpy);
 503                 }
 504         }
 505
 506         if( w.drawGuideLines() )
 507         {
 508                 dc.SetPen(wxPen(  wxColour(255,0,0),1,wxDOT ));
 509                 // Drawing the horizontal guide line
 510                 dc.DrawLine( 0, (y-minY)*scaleY + offsetpy, (x-minX)*scaleX + offsetpx, (y-minY)*scaleY + offsetpy);
 511                 // Drawing the vertical guide line
 512                 dc.DrawLine( (x-minX)*scaleX + offsetpx,0, (x-minX)*scaleX + offsetpx, (y-minY)*scaleY + offsetpy);
 513         }
 514 }
 515
 516
 517 /**
 518 Layer plot handler.
 519 This implementation will plot the locus in the visible area and
 520 put a label according to the aligment specified.
 521 */
 522 void pPlotterLayer::Plot(wxDC & dc, mpWindow & w)
 523 {
 524         bool show,drawing,actual;
 525         int scrwX,scrwY,maxX,maxY,minX,minY,type;
 526         float factorZoom;
 527
 528         ifShowPoints(show);
 529         getDrawing(drawing);
 530         type=vGetType();
 531
 532         dc.SetPen( m_pen);
 533
 534         /*
 535          * Managing the scale and zoom
 536          */
 537
 538         dc.GetSize(&scrwX, &scrwY);
 539         getIfActual(actual);
 540         //getMax(maxX, maxY);
 541         /***********/
 542         getMaxShowed(maxX,maxY);
 543         getMinShowed(minX,minY);
 544         /***********/
 545         getFactorZoom(factorZoom);
 546         getOffsets(offsetX,offsetY);
 547         /*
 548         maxX=w.getMaxScrX();
 549         maxY=w.getMaxScrY();
 550         minX=w.getMinScrX();
 551         minY=w.getMinScrY();
 552         */
 553         if((maxX-minX)!=0 && (maxY-minY)!=0)
 554         {
 555
 556                 scaleX=(((double)scrwX-100)/(maxX-minX))*factorZoom;
 557                 scaleY=(((double)scrwY-50)/(maxY-minY))*factorZoom;
 558
 559                 if(actual)
 560                 {
 561                         w.SetScaleX(scaleX);
 562                         w.SetScaleY(scaleY);
 563                         //w.setMinScrX(offsetX);
 564                         //w.setMinScrY(offsetY);
 565                 }
 566
 567         }
 568         /*
 569                 Managing the drawing
 570         */
 571         int orgx=70;
 572         int orgy=w.GetScrY()-40;
 573         dc.SetDeviceOrigin( orgx ,orgy);
 574         dc.SetAxisOrientation(true,true);
 575
 576
 577         //if the user dont want to see the points of the function and if he stops drawing
 578         //we have to draw the function
 579         if(!show && !drawing && type==1)
 580                 drawFunction(dc,w);
 581         else if(!show && !drawing && type==2)
 582                 drawSplineCurve(dc,w);
 583         //we just draw the point that the user just clicked
 584         else if(drawing && type==1)
 585         {
 586                 drawFunction(dc,w);
 587                 drawLineToMousePoint(dc,w);
 588                 drawPoints(dc,w);
 589         }
 590         else if(drawing && type==1)
 591         {
 592                 drawSplineCurve(dc,w);
 593                 drawLineToMousePoint(dc,w);
 594                 drawPoints(dc,w);
 595         }
 596         else if(show && type==1)
 597         {
 598                 drawFunction(dc,w);
 599                 drawPoints(dc,w);
 600         }
 601         else if(show && type==2)
 602         {
 603                 drawSplineCurve(dc,w);
 604                 drawPoints(dc,w);
 605         }
 606
 607         // Drawing the guides according to real values entered according to the integrated interaction (IS NOT WORKING!!!)
 608         if ( actual )
 609         {
 610                 dc.SetPen(wxPen(  wxColour(255,0,0),1,wxDOT ));
 611                 int offsetpx = getOffsetPixelsXv();
 612                 int offsetpy = getOffsetPixelsYv();
 613
 614                 int realX_guide = w.getRealGuideX();
 615                 if( realX_guide!=-1 )
 616                 {
 617                 dc.DrawLine( (realX_guide/*-w.getMinScrX()*/-offsetX)*scaleX + offsetpx, 0, (realX_guide/*-w.getMinScrX()*/-offsetX)*scaleX + offsetpx, scrwY);
 618                 }
 619
 620                 int realY_guide = w.getRealGuideY();
 621                 if( realY_guide!=-1 )
 622                 {
 623                         dc.DrawLine( 0,(realY_guide/*-w.getMinScrY()*/-offsetX)*scaleX + offsetpx, scrwX, (realY_guide/*-w.getMinScrY()*/-offsetX)*scaleX + offsetpx);
 624                 }
 625         }
 626
 627 }
 628