CGridPlaneXY.h

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2018, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */
 
#ifndef opengl_CGridPlaneXY_H
#define opengl_CGridPlaneXY_H
 
#include <mrpt/opengl/CRenderizableDisplayList.h>
 
namespace mrpt
{
namespace opengl
{
/** A grid of lines over the XY plane.
  *  \sa opengl::COpenGLScene
  *
  *  <div align="center">
  *  <table border="0" cellspan="4" cellspacing="4" style="border-width: 1px;
 * border-style: solid;">
  *   <tr> <td> mrpt::opengl::CGridPlaneXY </td> <td> \image html
 * preview_CGridPlaneXY.png </td> </tr>
  *  </table>
  *  </div>
  *
  * \ingroup mrpt_opengl_grp
  */
class CGridPlaneXY : public CRenderizableDisplayList
{
        DEFINE_SERIALIZABLE(CGridPlaneXY)
 
   protected:
        float m_xMin, m_xMax;
        float m_yMin, m_yMax;
        float m_plane_z;
        float m_frequency;
        float m_lineWidth;
        bool m_antiAliasing;
 
   public:
        void setLineWidth(float w)
        {
                m_lineWidth = w;
                CRenderizableDisplayList::notifyChange();
        }
        float getLineWidth() const { return m_lineWidth; }
        void enableAntiAliasing(bool enable = true)
        {
                m_antiAliasing = enable;
                CRenderizableDisplayList::notifyChange();
        }
        bool isAntiAliasingEnabled() const { return m_antiAliasing; }
        void setPlaneLimits(float xmin, float xmax, float ymin, float ymax)
        {
                m_xMin = xmin;
                m_xMax = xmax;
                m_yMin = ymin;
                m_yMax = ymax;
                CRenderizableDisplayList::notifyChange();
        }
 
        void getPlaneLimits(
                float& xmin, float& xmax, float& ymin, float& ymax) const
        {
                xmin = m_xMin;
                xmax = m_xMax;
                ymin = m_yMin;
                ymax = m_yMax;
        }
 
        void setPlaneZcoord(float z)
        {
                CRenderizableDisplayList::notifyChange();
                m_plane_z = z;
        }
        float getPlaneZcoord() const { return m_plane_z; }
        void setGridFrequency(float freq)
        {
                ASSERT_(freq > 0);
                m_frequency = freq;
                CRenderizableDisplayList::notifyChange();
        }
        float getGridFrequency() const { return m_frequency; }
        /** Render */
        virtual void render_dl() const override;
 
        /** Evaluates the bounding box of this object (including possible children)
         * in the coordinate frame of the object parent. */
        void getBoundingBox(
                mrpt::math::TPoint3D& bb_min,
                mrpt::math::TPoint3D& bb_max) const override;
 
        /** Class factory  */
        static CGridPlaneXY::Ptr Create(
                float xMin, float xMax, float yMin, float yMax, float z = 0,
                float frequency = 1, float lineWidth = 1.3f, bool antiAliasing = true);
 
        /** Constructor  */
        CGridPlaneXY(
                float xMin = -10, float xMax = 10, float yMin = -10, float yMax = 10,
                float z = 0, float frequency = 1, float lineWidth = 1.3f,
                bool antiAliasing = true);
 
        /** Private, virtual destructor: only can be deleted from smart pointers */
        virtual ~CGridPlaneXY() {}
};
 
}  // end namespace
 
}  // End of namespace
 
#endif