IvfView.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfView_h_
#define _CIvfView_h_
 
#include <ivf/IvfObject.h>
#include <ivf/IvfViewport.h>

#include <ivfmath/IvfViewFrustum.h>

IvfSmartPointer(CIvfView);

class IVF_API CIvfView : public CIvfObject  {
private:
        int m_viewX;
        int m_viewY;
        int m_viewHeight;
        int m_viewWidth;
        double m_viewAspect;
        
        CIvfViewportPtr m_viewport;

        bool m_selectTransform;
public:
        void setViewport(CIvfViewport* viewport);
        CIvfViewport* getViewport();
        CIvfView();

        virtual ~CIvfView();

        IvfClassInfo("CIvfView",CIvfObject);

        virtual void initialize();

        virtual void initializeSelect(int x, int y, int w, int h);

        void setViewPort(int width, int height);

        virtual void getViewFrustum(CIvfViewFrustum* frustum);

        void getViewPort(int &w, int &h);

        void setViewPort(int tx, int ty, int tw, int th);

        void getViewPort(int &tx, int &ty, int &tw, int &th);

        double getAspect();

        // Class query

        void setSelectTransform(bool flag);
protected:

        // virtual methods for view and perspective transforms

        void beginTransform();
        virtual void viewTransform();
        virtual void projectionTransform();
};

#endif 

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