CSimpleLine.h

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2019, Individual contributors, see AUTHORS file     |
   | See: https://www.mrpt.org/Authors - All rights reserved.               |
   | Released under BSD License. See: https://www.mrpt.org/License          |
   +------------------------------------------------------------------------+ */
#pragma once

#include <mrpt/opengl/CRenderizableDisplayList.h>

namespace mrpt::opengl
{
/** A line segment
 *  \sa opengl::COpenGLScene
 * \ingroup mrpt_opengl_grp
 */
class CSimpleLine : public CRenderizableDisplayList
{
    DEFINE_SERIALIZABLE(CSimpleLine)

   protected:
    float m_x0, m_y0, m_z0;
    float m_x1, m_y1, m_z1;
    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 setLineCoords(
        float x0, float y0, float z0, float x1, float y1, float z1)
    {
        m_x0 = x0;
        m_y0 = y0;
        m_z0 = z0;
        m_x1 = x1;
        m_y1 = y1;
        m_z1 = z1;
        CRenderizableDisplayList::notifyChange();
    }

    void getLineCoords(
        float& x0, float& y0, float& z0, float& x1, float& y1, float& z1) const
    {
        x0 = m_x0;
        y0 = m_y0;
        z0 = m_z0;
        x1 = m_x1;
        y1 = m_y1;
        z1 = m_z1;
    }

    /** Render
     */
    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;

    /** Constructor
     */
    CSimpleLine(
        float x0 = 0, float y0 = 0, float z0 = 0, float x1 = 0, float y1 = 0,
        float z1 = 0, float lineWidth = 1, bool antiAliasing = true);

    /** Private, virtual destructor: only can be deleted from smart pointers */
    ~CSimpleLine() override = default;
};

}  // namespace mrpt::opengl