C++ Marker::getColor方法代码示例

  bool Marker::equals( const Marker& other ) const
  {
    /*
     * \note these first two are commented as the basic shape ability has been
     * removed from marker at this point.
     */

    // This gets too complicated to check.
    //if ( !usesDefault ) return false;

    // This one default, other not.
    //if ( !other.hasDefaultMark() ) return false;

    return ((this->shapeEquals(other)) && (markerColor == other.getColor()));

    // Check if the marks are different.
    //if ( mark != other.getMark() ) return false;

    // Check if the mark colors are different.
    //if ( markerColor != other.getColor() ) return false;

    // Check if the ranges are different
    //if ( range != other.getRange() ) return false;

    // Bothe use the same default mark and color.
    //return true;
  }

  void SeriesList::drawInFrame(Frame& innerFrame, double minX, double maxX, double minY, double maxY)
  {
    double multX = innerFrame.getWidth()/(maxX-minX);
    double multY = innerFrame.getHeight()/(maxY-minY);

    // Draw lines
    for(int i=0;i<getNumSeries();i++)
    {
      innerFrame.push_state();

      StrokeStyle s = getStyle(i);          
      Marker m = getMarker(i);

      if(m.getColor().isClear() && s.getColor().isClear())
      {
        innerFrame << Comment("Plot contained data with clear stroke and marker.  Skipping.");
        continue;
      }

      vector< pair<double,double> >& vec = getPointList(i);
      Path curve(vec,innerFrame.lx(), innerFrame.ly());

      // What I'd give for a line of haskell...
      // map (\(x,y) -> (multX*(x-minX), multY*(y-minY))) vector
      map_object map_instance(multX,minX,multY,minY);

      innerFrame.setMarker(m);
      innerFrame.setLineStyle(s);

      if(s.getColor().isClear())
      {
        // crop
        auto_ptr< Path > cropX = Splitter::cropToBox(minX,maxX,minY,maxY,curve);

        // Fit it to the box.
        std::for_each(cropX->begin(), cropX->end(), map_instance);

        // Draw the line
        innerFrame.line(*cropX);
      }
      else 
      {
        // interpolate
        auto_ptr< std::list<Path> > interpX = Splitter::interpToBox(minX,maxX,minY,maxY,curve);

        for(std::list<Path>::iterator i=interpX->begin();i!=interpX->end();i++)
        {
          // Fit it to the box
          std::for_each(i->begin(), i->end(), map_instance);

          // Draw the line
          innerFrame.line(*i);
        }
      }
      innerFrame.pop_state();
    }
  }

  void SVGImage::defineMarker (const Marker& marker, int dfltname)
  {
    if( lastMarker == marker ) return;

    using namespace std;

    string name = marker.uniqueName();
    //cout << name << endl;;

    string savedtab=tab;
    string marktab=string("         ");
    string intab=string("            ");

    ostr << tab << "<defs>\n";

    double r = marker.getRange();
    double r2 = 2*r;

    ostr << marktab << "<marker id=\"" << name << "\" markerUnits=\"strokeWidth\" "
      << "markerWidth=\"" <<  r2 << "\" markerHeight=\"" <<  r2 << "\" "
      << "viewBox=\"0 0 " << r2 << " " << r2 << "\" \n"
      << marktab << "        "  << "refX=\"" << r << "\" refY=\"" << r << "\" ";

    string col;
    {
      stringstream ss;
      ss.fill('0');      
      ss << '#' << hex << setw(6) << marker.getColor().getRGB();
      col = ss.str();
    }

    // These are here just in case.  
    ostr.fill('0');
    ostr << "stroke-width=\".2pt\" " << "fill=\"none\">\n"; 

    // Initial marker tab is set up...now to put the shape in...
    if (marker.hasDefaultMark())
    {
      Marker::Mark mark = marker.getMark();
      switch(mark)	
      {
        case Marker::DOT:
          ostr << intab << "<circle cx=\"" << r << "\" cy=\"" << r << "\" "
            <<"r=\"" << r << "\" style=\"fill:" << col << ";stroke:" << col << "\"/>\n";
          break;
        case Marker::PLUS:
          ostr << intab << "<line x1=\"0\" y1=\"" << r << "\" "
            << "x2=\"" << r2 << "\" y2=\"" << r << "\"/>\n";
          ostr << intab << "<line x1=\"" << r << "\" y1=\"0\" "
            << "x2=\"" << r << "\" y2=\"" << r2 << "\"/>\n";
          break;
        case Marker::X:
          ostr << intab << "<line x1=\"0\" y1=\"0\" "
            << "x2=\"" << r2 << "\" y2=\"" << r2 << "\"/>\n";
          ostr << intab << "<line x1=\"" << r2 << "\" y1=\"0\" "
            << "x2=\"0\" y2=\"" << r2 << "\"/>\n";
          break;
      }
    } 
    else
    {
      //This should not be called as BasicShapes were removed...but left 
      // here as a placeholder if it ever comes back.
      //Todo:
      // * Make sure marker color works as necessary (useMarkerColor)
      // * Add some to the tab variable?
      // * Need to fix shape coordinates?
      //ostr << intab << markerShape << endl;
    } 

    ostr << marktab << "</marker>\n";

    ostr << tab << "</defs>\n";

    markerDefined = true;
    lastMarker = marker;
  }