CameraSettings.h

// Copyright (c) 2013 The Foundry Visionmongers Ltd. All Rights Reserved.

#ifndef FNRENDER_CAMERASETTINGS_H
#define FNRENDER_CAMERASETTINGS_H

#include "FnScenegraphIterator/FnScenegraphIterator.h"
#include "FnAttribute/FnAttribute.h"
#include "FnRenderOutputUtils/FnRenderOutputUtils.h"
#include "FnRender/FnRenderAPI.h"

#include <map>
#include <vector>
#include <memory>

namespace Foundry
{
namespace Katana
{
namespace Render
{
    class FNRENDER_API CameraSettings
    {
    public:

        // Alias for a shared pointer to CameraSettings
        typedef std::shared_ptr<CameraSettings> Ptr;

        CameraSettings(
            FNSCENEGRAPHITERATOR_NAMESPACE::FnScenegraphIterator iterator,
            const std::string & cameraName = "") :
                _iterator(iterator),
                _cameraName(cameraName),
                _projection("perspective"),
                _fov(70.0f),
                _orthographicWidth(30.0f)
        {
        }

        virtual ~CameraSettings() {}

        virtual int initialise(int displayWindow[4], int overscan[4], float shutterClose = 0.0f);

        std::string getName() const { return _cameraName; }

        std::string getProjection() const { return _projection; }

        float getFov() const { return _fov; }

        void getClipping(float clipping[2]) const;

        void getScreenWindow(float screenWindow[4]) const;

        std::vector<FnRenderOutputUtils::RenderOutputUtils::Transform>
            getTransforms() const { return _transforms; }

    protected:
        FNSCENEGRAPHITERATOR_NAMESPACE::FnScenegraphIterator _iterator;

        std::string _cameraName;
        std::string _projection;
        float _fov;
        float _orthographicWidth;
        float _clipping[2];
        float _screenWindow[4];

        std::vector<FnRenderOutputUtils::RenderOutputUtils::Transform>
            _transforms;
    };

}
}
}

namespace FnKat = Foundry::Katana;

#endif