OsgCurveRepresentation.h

// This file is a part of the OpenSurgSim project.
// Copyright 2013, SimQuest Solutions Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef SURGSIM_GRAPHICS_OSGCURVEREPRESENTATION_H
#define SURGSIM_GRAPHICS_OSGCURVEREPRESENTATION_H

#include "SurgSim/Graphics/CurveRepresentation.h"
#include "SurgSim/Graphics/OsgRepresentation.h"

#include <osg/Array>
#include <osg/ref_ptr>

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4250)
#endif

namespace osg
{
class Geometry;
class DrawArrays;
}

namespace SurgSim
{

namespace Graphics
{

SURGSIM_STATIC_REGISTRATION(OsgCurveRepresentation)

class OsgCurveRepresentation : public OsgRepresentation, public CurveRepresentation
{
public:
    explicit OsgCurveRepresentation(const std::string& name);

    ~OsgCurveRepresentation();

    SURGSIM_CLASSNAME(SurgSim::Graphics::OsgCurveRepresentation);

    bool doInitialize() override;

    bool doWakeUp() override;

    void doUpdate(double dt) override;

    void setSubdivisions(size_t num) override;

    size_t getSubdivisions() const override;

    void setTension(double tension) override;

    double getTension() const override;

    void setColor(const SurgSim::Math::Vector4d& color) override;

    Math::Vector4d getColor() const override;

    void setWidth(double width) override;

    double getWidth() const override;

    void setAntiAliasing(bool val) override;

    bool isAntiAliasing() const override;

private:

    void updateGraphics(const DataStructures::VerticesPlain& controlPoints);

    osg::ref_ptr<osg::Geometry> m_geometry;
    osg::ref_ptr<osg::Vec3Array> m_vertexData;
    osg::ref_ptr<osg::Vec3Array> m_normalData;
    osg::ref_ptr<osg::DrawArrays> m_drawArrays;

    Math::Vector4d m_color;
    size_t m_subdivision;
    double m_tension;
    double m_width;

    std::vector<Math::Vector3d> m_controlPoints;
    std::vector<Math::Vector3d> m_vertices;

};

#if defined(_MSC_VER)
#pragma warning(pop)
#endif

}
}

#endif