io/boards/dgtalBoard2D-3-custom-classes.cpp

This example shows you how to modify the style of each drawable elements. You just have to create an instance of CustomColors, CustomPenColor, CustomFillColor or CustomPen and you attach this style to your drawable element type with an instance of CustomStyle outputed in the Board2D stream.

visualization of resulting export.

 
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/io/Color.h"
 
using namespace std;
using namespace DGtal;
using namespace DGtal::Z2i;
 
int main()
{
  trace.beginBlock ( "Example dgtalBoard2D-3-custom-classes" );
 
  Point p1( -3, -2 );
  Point p2( 7, 3 );
  Point p3( 0, 0 );
  Domain domain( p1, p2 );
 
  Color red( 255, 0, 0 );
  Color dred( 192, 0, 0 );
  Color dgreen( 0, 192, 0 );
  Color blue( 0, 0, 255 );
  Color dblue( 0, 0, 192 );
  
  Board2D board;
  board << domain 
  << CustomStyle( p1.className(), new CustomColors( red, dred ) )
  << p1
  << CustomStyle( p2.className(), new CustomFillColor( dgreen ) )
  << p2
  << CustomStyle( p3.className(), 
      new CustomPen( blue, dblue, 6.0, 
               Board2D::Shape::SolidStyle,
               Board2D::Shape::RoundCap,
               Board2D::Shape::RoundJoin ) )
  << p3;
  board.saveSVG("dgtalBoard2D-3-custom-classes.svg");
  board.saveEPS("dgtalBoard2D-3-custom-classes.eps");
  board.saveTikZ("dgtalBoard2D-3-custom-classes.tikz");
 
#ifdef WITH_CAIRO
  board.saveCairo("dgtalBoard2D-3-custom-classes-cairo.pdf", Board2D::CairoPDF);
  board.saveCairo("dgtalBoard2D-3-custom-classes-cairo.png", Board2D::CairoPNG);
  board.saveCairo("dgtalBoard2D-3-custom-classes-cairo.ps", Board2D::CairoPS);
  board.saveCairo("dgtalBoard2D-3-custom-classes-cairo.svg", Board2D::CairoSVG);
#endif
  
  trace.endBlock();
  return 0;
}
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