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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you 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 .
 */

#ifndef _CAMERA3D_HXX
#define _CAMERA3D_HXX

#include <bf_svtools/bf_solar.h>

#include <bf_svx/viewpt3d.hxx>
namespace binfilter {

/*************************************************************************
|*
|* Kamera-Ableitung
|*
\************************************************************************/

class Camera3D : public Viewport3D
{
 protected:
    Vector3D    aResetPos;
    Vector3D    aResetLookAt;
    double      fResetFocalLength;
    double      fResetBankAngle;

    Vector3D    aPosition;
    Vector3D    aLookAt;
    double      fFocalLength;
    double      fBankAngle;

    bool    bAutoAdjustProjection;

 public:
    Camera3D(const Vector3D& rPos, const Vector3D& rLookAt,
             double fFocalLen = 35.0, double fBankAng = 0);
    Camera3D();

    virtual ~Camera3D() {}

    // Anfangswerte wieder herstellen
    void Reset();

    void SetDefaults(const Vector3D& rPos, const Vector3D& rLookAt,
                     double fFocalLen = 35.0, double fBankAng = 0);

    void SetViewWindow(double fX, double fY, double fW, double fH);

    void SetPosition(const Vector3D& rNewPos);
    const Vector3D& GetPosition() const { return aPosition; }
    void SetLookAt(const Vector3D& rNewLookAt);
    const Vector3D& GetLookAt() const { return aLookAt; }
    void SetPosAndLookAt(const Vector3D& rNewPos, const Vector3D& rNewLookAt);

    // Brennweite in mm
    void    SetFocalLength(double fLen);
    double  GetFocalLength() const { return fFocalLength; }

    // Neigung links/rechts
    void    SetBankAngle(double fAngle);
    double  GetBankAngle() const { return fBankAngle; }

    // Um den Blickpunkt drehen, Position wird dabei veraendert
    void RotateAroundLookAt(double fHAngle, double fVAngle);

    void SetAutoAdjustProjection(bool bAdjust = TRUE)
        { bAutoAdjustProjection = bAdjust; }
    bool IsAutoAdjustProjection() const { return bAutoAdjustProjection; }

    // Die Umstellung von Filerevision 12 auf 13 erfolgte zur 355
    // 5.2.1997 Franz Gotsis, ReadData31 kann also auch die
    // zur 4.0 gehoerigen Filrevisionen bis zu 12 lesen.
    virtual void ReadData31(SvStream& rIn);

    virtual void ReadData(const SdrObjIOHeader& rHead, SvStream& rIn);
};

SvStream& operator<<(SvStream& rOStream, const Viewport3D&);
SvStream& operator>>(SvStream& rIStream, Viewport3D&);

}//end of namespace binfilter
#endif      // _CAMERA3D_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */