GiViewport.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef __GI_VIEWPORT__
#define __GI_VIEWPORT__
 
#include "RxObject.h"
 
class OdGePoint2d;
class OdGePoint3d;
class OdGeVector3d;
class OdDbStub;
class OdGeMatrix3d;
class OdGiContextualColors;
 
#include "TD_PackPush.h"
 
class FIRSTDLL_EXPORT OdGiViewport : public OdRxObject
{ 
public:
  ODRX_DECLARE_MEMBERS(OdGiViewport);
 
  virtual OdGeMatrix3d getModelToEyeTransform() const = 0;
 
  virtual OdGeMatrix3d getEyeToModelTransform() const = 0;
 
  virtual OdGeMatrix3d getWorldToEyeTransform() const = 0;
 
  virtual OdGeMatrix3d getEyeToWorldTransform() const = 0;
 
  virtual bool isPerspective() const = 0;
 
  virtual bool doPerspective(
    OdGePoint3d& point) const = 0;
 
  virtual bool doInversePerspective(
    OdGePoint3d& point) const = 0;
 
  virtual void getNumPixelsInUnitSquare(
    const OdGePoint3d& point, 
    OdGePoint2d& pixelDensity,
    bool bUsePerspective = true) const = 0;
 
  virtual OdGePoint3d getCameraLocation() const = 0;
 
  virtual OdGePoint3d getCameraTarget() const = 0;
 
  virtual OdGeVector3d getCameraUpVector() const = 0;
 
  virtual OdGeVector3d viewDir() const = 0;
 
  virtual OdUInt32 viewportId() const = 0;
 
  virtual OdInt16 acadWindowId() const = 0;
 
  virtual void getViewportDcCorners(
    OdGePoint2d& lowerLeft, 
    OdGePoint2d& upperRight) const = 0;
 
  virtual bool getFrontAndBackClipValues(
    bool& clipFront, 
    bool& clipBack, 
    double& front, 
    double& back) const = 0;
 
  virtual double linetypeScaleMultiplier() const = 0;
 
  virtual double linetypeGenerationCriteria() const = 0;
 
  virtual bool layerVisible(
    OdDbStub* layerId) const = 0;
 
  virtual const OdGiContextualColors *contextualColors() const { return NULL; }
};
 
#include "TD_PackPop.h"
 
#endif // __GI_VIEWPORT__