pcl_context_item.h

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#ifndef PCL_VISUALIZATION_PCL_CONTEXT_ITEM_H_
#define PCL_VISUALIZATION_PCL_CONTEXT_ITEM_H_

#include <pcl/pcl_macros.h>
#include <vtkContextItem.h>
#include <vector>

template <typename T> class vtkSmartPointer;
class vtkImageData;
class vtkContext2D;

namespace pcl
{
  namespace visualization
  {
    struct PCL_EXPORTS PCLContextItem : public vtkContextItem
    {
      vtkTypeMacro (PCLContextItem, vtkContextItem);
      static PCLContextItem *New();
      virtual bool Paint (vtkContext2D *) { return (false); };
      void setColors (unsigned char r, unsigned char g, unsigned char b);
      void setColors (unsigned char rgb[3]) { memcpy (colors, rgb, 3 * sizeof (unsigned char)); }
      void setOpacity (double opacity) { SetOpacity (opacity); };
      unsigned char colors[3];
      double opacity;
      std::vector<float> params;
    };

    struct PCL_EXPORTS PCLContextImageItem : public vtkContextItem
    {
      vtkTypeMacro (PCLContextImageItem, vtkContextItem);
      PCLContextImageItem ();

      static PCLContextImageItem *New ();
      virtual bool Paint (vtkContext2D *painter);
      void set (float _x, float _y, vtkImageData *_image);
      vtkSmartPointer<vtkImageData> image;
      float x, y;
    };

    namespace context_items
    {
      struct PCL_EXPORTS Point : public PCLContextItem
      {
        vtkTypeMacro (Point, PCLContextItem);
        static Point *New();
        virtual bool Paint (vtkContext2D *painter);
        virtual void set (float _x, float _y);
      };

      struct PCL_EXPORTS Line : public PCLContextItem
      {
        vtkTypeMacro (Line, PCLContextItem);
        static Line *New();
        virtual bool Paint (vtkContext2D *painter);
        virtual void set (float _x_1, float _y_1, float _x_2, float _y_2);
      };

      struct PCL_EXPORTS Circle : public PCLContextItem
      {
        vtkTypeMacro (Circle, PCLContextItem);
        static Circle *New();
        virtual bool Paint (vtkContext2D *painter);
        virtual void set (float _x, float _y, float _r);
      };

      struct PCL_EXPORTS Disk : public Circle
      {
        vtkTypeMacro (Disk, Circle);
        static Disk *New();
        virtual bool Paint (vtkContext2D *painter);
      };

      struct PCL_EXPORTS Rectangle : public PCLContextItem
      {
        vtkTypeMacro (Rectangle, Point);
        static Rectangle *New();
        virtual bool Paint (vtkContext2D *painter);
        virtual void set (float _x, float _y, float _w, float _h);
      };

      struct PCL_EXPORTS FilledRectangle : public Rectangle
      {
        vtkTypeMacro (FilledRectangle, Rectangle);
        static FilledRectangle *New();
        virtual bool Paint (vtkContext2D *painter);
      };

      struct PCL_EXPORTS Points : public PCLContextItem
      {
        vtkTypeMacro (Points, PCLContextItem);
        static Points *New();
        virtual bool Paint (vtkContext2D *painter);
        void set (const std::vector<float>& _xy)  { params = _xy; }
      };

      struct PCL_EXPORTS Polygon : public Points
      {
        vtkTypeMacro (Polygon, Points);
        static Polygon *New();
        virtual bool Paint (vtkContext2D *painter);
      };
    }
  }
}

#endif