#ifndef slic3r_GLGizmoRotate_hpp_
#define slic3r_GLGizmoRotate_hpp_

#include "GLGizmoBase.hpp"


namespace Slic3r {
namespace GUI {

class GLGizmoRotate : public GLGizmoBase
{
    static const float Offset;
    static const unsigned int CircleResolution;
    static const unsigned int AngleResolution;
    static const unsigned int ScaleStepsCount;
    static const float ScaleStepRad;
    static const unsigned int ScaleLongEvery;
    static const float ScaleLongTooth;
    static const unsigned int SnapRegionsCount;
    static const float GrabberOffset;

public:
    enum Axis : unsigned char
    {
        X,
        Y,
        Z
    };

private:
    Axis m_axis;
    double m_angle;

    GLUquadricObj* m_quadric;

    mutable Vec3d m_center;
    mutable float m_radius;

    mutable float m_snap_coarse_in_radius;
    mutable float m_snap_coarse_out_radius;
    mutable float m_snap_fine_in_radius;
    mutable float m_snap_fine_out_radius;

public:
    GLGizmoRotate(GLCanvas3D& parent, Axis axis);
    GLGizmoRotate(const GLGizmoRotate& other);
    virtual ~GLGizmoRotate();

    double get_angle() const { return m_angle; }
    void set_angle(double angle);

protected:
    virtual bool on_init();
    virtual std::string on_get_name() const { return ""; }
    virtual void on_start_dragging(const Selection& selection);
    virtual void on_update(const UpdateData& data, const Selection& selection);
    virtual void on_render(const Selection& selection) const;
    virtual void on_render_for_picking(const Selection& selection) const;

private:
    void render_circle() const;
    void render_scale() const;
    void render_snap_radii() const;
    void render_reference_radius() const;
    void render_angle() const;
    void render_grabber(const BoundingBoxf3& box) const;
    void render_grabber_extension(const BoundingBoxf3& box, bool picking) const;

    void transform_to_local(const Selection& selection) const;
    // returns the intersection of the mouse ray with the plane perpendicular to the gizmo axis, in local coordinate
    Vec3d mouse_position_in_local_plane(const Linef3& mouse_ray, const Selection& selection) const;
};

class GLGizmoRotate3D : public GLGizmoBase
{
    std::vector<GLGizmoRotate> m_gizmos;

public:
#if ENABLE_SVG_ICONS
    GLGizmoRotate3D(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id);
#else
    GLGizmoRotate3D(GLCanvas3D& parent, unsigned int sprite_id);
#endif // ENABLE_SVG_ICONS

    Vec3d get_rotation() const { return Vec3d(m_gizmos[X].get_angle(), m_gizmos[Y].get_angle(), m_gizmos[Z].get_angle()); }
    void set_rotation(const Vec3d& rotation) { m_gizmos[X].set_angle(rotation(0)); m_gizmos[Y].set_angle(rotation(1)); m_gizmos[Z].set_angle(rotation(2)); }

protected:
    virtual bool on_init();
    virtual std::string on_get_name() const;
    virtual void on_set_state()
    {
        for (GLGizmoRotate& g : m_gizmos)
        {
            g.set_state(m_state);
        }
    }
    virtual void on_set_hover_id()
    {
        for (unsigned int i = 0; i < 3; ++i)
        {
            m_gizmos[i].set_hover_id((m_hover_id == i) ? 0 : -1);
        }
    }
    virtual bool on_is_activable(const Selection& selection) const { return true; }
    virtual void on_enable_grabber(unsigned int id)
    {
        if ((0 <= id) && (id < 3))
            m_gizmos[id].enable_grabber(0);
    }
    virtual void on_disable_grabber(unsigned int id)
    {
        if ((0 <= id) && (id < 3))
            m_gizmos[id].disable_grabber(0);
    }
    virtual void on_start_dragging(const Selection& selection);
    virtual void on_stop_dragging();
    virtual void on_update(const UpdateData& data, const Selection& selection)
    {
        for (GLGizmoRotate& g : m_gizmos)
        {
            g.update(data, selection);
        }
    }
    virtual void on_render(const Selection& selection) const;
    virtual void on_render_for_picking(const Selection& selection) const
    {
        for (const GLGizmoRotate& g : m_gizmos)
        {
            g.render_for_picking(selection);
        }
    }

    virtual void on_render_input_window(float x, float y, float bottom_limit, const Selection& selection);
};



} // namespace GUI
} // namespace Slic3r

#endif // slic3r_GLGizmoRotate_hpp_