C++ Board2D::setLineWidth方法代码示例

 virtual void selfDraw(Board2D & aboard) const
 {
   aboard.setFillColorRGBi(150, 150, 160);
   aboard.setPenColorRGBi(150, 150, 160);
   aboard.setLineStyle(Board2D::Shape::DashStyle);
   aboard.setLineWidth( 1.0 );
 }

 virtual void selfDraw(Board2D & aboard) const
 {
   aboard.setFillColor( myColor );
   aboard.setPenColorRGBi( 0, 0, 0 );
   aboard.setLineStyle( LibBoard::Shape::SolidStyle );
   aboard.setLineWidth( 1.0 );
 }

int main( int argc, char** argv )
{

    // parse command line ----------------------------------------------
    po::options_description general_opt("Allowed options are: ");
    general_opt.add_options()
    ("help,h", "display this message")
    ("input,i", po::value<std::string>(), "input FreemanChain file name")
    ("SDP", po::value<std::string>(), "Import a contour as a Sequence of Discrete Points (SDP format)")
    ("SFP", po::value<std::string>(), "Import a contour as a Sequence of Floating Points (SFP format)")
    ("drawContourPoint", po::value<double>(), "<size> display contour points as disk of radius <size>")
    ("fillContour", "fill the contours with default color (gray)")
    ("lineWidth", po::value<double>()->default_value(1.0), "Define the linewidth of the contour (SDP format)")
    ("drawPointOfIndex", po::value<int>(), "<index> Draw the contour point of index <index> (default 0) ")
    ("pointSize", po::value<double>()->default_value(2.0), "<size> Set the display point size of the point displayed by drawPointofIndex option (default 2.0) ")
    ("noXFIGHeader", " to exclude xfig header in the resulting output stream (no effect with option -outputFile).")
    ("withProcessing", po::value<std::string>(), "Processing (used only when the input is a Freeman chain (--input)):\n\t DSS segmentation {DSS}\n\t  Maximal segments {MS}\n\t Faithful Polygon {FP}\n\t Minimum Length Polygon {MLP}")
    ("outputFile,o", po::value<std::string>(), " <filename> save output file automatically according the file format extension.")
    ("outputStreamEPS", " specify eps for output stream format.")
    ("outputStreamSVG", " specify svg for output stream format.")
    ("outputStreamFIG", " specify fig for output stream format.")
    ("invertYaxis", " invertYaxis invert the Y axis for display contours (used only with --SDP)")

    ("backgroundImage", po::value<std::string>(), "backgroundImage <filename> : display image as background ")
    ("alphaBG", po::value<double>(), "alphaBG <value> 0-1.0 to display the background image in transparency (default 1.0), (transparency works only if cairo is available)")

    ("scale", po::value<double>(), "scale <value> 1: normal; >1 : larger ; <1 lower resolutions  )");



    bool parseOK=true;
    po::variables_map vm;
    try {
        po::store(po::parse_command_line(argc, argv, general_opt), vm);
    } catch(const std::exception& ex) {
        parseOK=false;
        trace.info()<< "Error checking program options: "<< ex.what()<< std::endl;
    }

    po::notify(vm);
    if(!parseOK||vm.count("help")||argc<=1 || (!(vm.count("input")) && !(vm.count("SDP")) && !(vm.count("SFP"))&&
            !(vm.count("backgroundImage")) ) )
    {
        trace.info()<< "Display discrete contours. " <<std::endl << "Basic usage: "<<std::endl
                    << "\t displayContours [options] --input  <fileName>  "<<std::endl
                    << general_opt << "\n";
        return 0;
    }



    double lineWidth=  vm["lineWidth"].as<double>();
    bool filled = vm.count("fillContour");
    double scale=1.0;
    if(vm.count("scale")) {
        scale = vm["scale"].as<double>();
    }

    Board2D aBoard;
    aBoard.setUnit (0.05*scale, LibBoard::Board::UCentimeter);





    double alpha=1.0;
    if(vm.count("alphaBG")) {
        alpha = vm["alphaBG"].as<double>();
    }

    if(vm.count("backgroundImage")) {
        std::string imageName = vm["backgroundImage"].as<std::string>();
        typedef ImageSelector<Z2i::Domain, unsigned char>::Type Image;
        Image img = DGtal::GenericReader<Image>::import( imageName );
        Z2i::Point ptInf = img.domain().lowerBound();
        Z2i::Point ptSup = img.domain().upperBound();
        unsigned int width = abs(ptSup[0]-ptInf[0]+1);
        unsigned int height = abs(ptSup[1]-ptInf[1]+1);

        aBoard.drawImage(imageName, 0-0.5,height-0.5, width, height, -1, alpha );
    }




    if(vm.count("input")) {
        std::string fileName = vm["input"].as<std::string>();
        std::vector< FreemanChain<int> > vectFc =  PointListReader< Z2i::Point>:: getFreemanChainsFromFile<int> (fileName);
        aBoard << CustomStyle( vectFc.at(0).className(),
                               new CustomColors( Color::Red  ,  filled?  Color::Gray: Color::None  ) );
        aBoard.setLineWidth (lineWidth);
        for(unsigned int i=0; i<vectFc.size(); i++) {
            aBoard <<  vectFc.at(i) ;
            if(vm.count("drawPointOfIndex")) {
                int index = vm["drawPointOfIndex"].as<int>();
                double size = vm["pointSize"].as<double>();
                aBoard.setPenColor(Color::Blue);

                aBoard.fillCircle((double)(vectFc.at(i).getPoint(index)[0]), (double)(vectFc.at(i).getPoint(index)[1]), size);
            }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
  if(args.check("-backgroundImageXFIG")){
    string imageName = args.getOption("-backgroundImageXFIG")->getValue(0);
    unsigned int width = args.getOption("-backgroundImageXFIG")->getIntValue(1);
    unsigned int height = args.getOption("-backgroundImageXFIG")->getIntValue(2);
    aBoard.drawImage(imageName, 0,height-1, width, height, -1, 1.0 );
    }
 
  if(args.check("-fc")){
    string fileName = args.getOption("-fc")->getValue(0);
    vector< FreemanChain<int> > vectFc =  PointListReader< Z2i::Point>:: getFreemanChainsFromFile<int> (fileName); 
    //aBoard <<  SetMode( vectFc.at(0).className(), "InterGrid" );
    aBoard << CustomStyle( vectFc.at(0).className(), 
			   new CustomColors( Color::Red  ,  (filled ? (Color::Black) : (Color::None))  ) );    
    for(unsigned int i=0; i<vectFc.size(); i++){
      aBoard <<  vectFc.at(i) ;
    }
  } 
 

  if( args.check("-sdp") || args.check("-sfp")){
    bool drawPoints= args.check("-drawContourPoint");
    bool invertYaxis = args.check("-invertYaxis");
    
    double pointSize = args.getOption("-drawContourPoint")->getFloatValue(0);
    
    vector<LibBoard::Point> contourPt;
    if(args.check("-sdp")){
      string fileName = args.getOption("-sdp")->getValue(0);
      vector< Z2i::Point >  contour = 
	PointListReader< Z2i::Point >::getPointsFromFile(fileName); 
      for(unsigned int j=0; j<contour.size(); j++){
	LibBoard::Point pt((double)(contour.at(j)[0]),
			   (invertYaxis? (double)(-contour.at(j)[1]+contour.at(0)[1]):(double)(contour.at(j)[1])));
	contourPt.push_back(pt);
	if(drawPoints){
	  aBoard.fillCircle(pt.x, pt.y, pointSize);
	}
      }
    }
    
    if(args.check("-sfp")){
      string fileName = args.getOption("-sfp")->getValue(0);
      vector< PointVector<2,double>  >  contour = 
	PointListReader<  PointVector<2,double>  >::getPointsFromFile(fileName); 
      for(unsigned int j=0; j<contour.size(); j++){
	LibBoard::Point pt((double)(contour.at(j)[0]),
			   (invertYaxis? (double)(-contour.at(j)[1]+contour.at(0)[1]):(double)(contour.at(j)[1])));
	contourPt.push_back(pt);
	if(drawPoints){
	  aBoard.fillCircle(pt.x, pt.y, pointSize);
	}
      }
    }
    aBoard.setPenColor(Color::Red);
    aBoard.setLineStyle (LibBoard::Shape::SolidStyle );
    aBoard.setLineWidth (lineWidth);
    if(!filled){
      aBoard.drawPolyline(contourPt);
    }else{
      aBoard.fillPolyline(contourPt);
    }
    
  
  }

 
  
  if (args.check("-outputSVG")){
    string outputFileName= args.getOption("-outputSVG")->getValue(0);
    aBoard.saveSVG(outputFileName.c_str());
  } else   
    if (args.check("-outputFIG")){
      string outputFileName= args.getOption("-outputFIG")->getValue(0);
      aBoard.saveFIG(outputFileName.c_str());
    } else
      if (args.check("-outputEPS")){
	string outputFileName= args.getOption("-outputEPS")->getValue(0);
	aBoard.saveEPS(outputFileName.c_str());
      }  
#ifdef WITH_CAIRO
      else
	if (args.check("-outputEPS")){
	  string outputFileName= args.getOption("-outputSVG")->getValue(0);
	  aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoEPS );
	} else 
	  if (args.check("-outputPDF")){
	    string outputFileName= args.getOption("-outputPDF")->getValue(0);
	    aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoPDF );
	  } else 
	    if (args.check("-outputPNG")){
	      string outputFileName= args.getOption("-outputPNG")getValue(0);
	      aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoPNG );
	    }
#endif
	    else { //default output
	      string outputFileName= "output.eps";
	      aBoard.saveEPS(outputFileName.c_str());
	    }
  
}