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occt/src/V3d/V3d_View.hxx
isz 27f850863b 0025789: Visualization - get rid of obsolete 2d layers implementation 
Classes Aspect_Clayer2d,OpenGl_GrahpicDriver_Layer, Visual3d_Layer, Visual3d_LayerItem, V3d_LayerMgr, V3d_LayerMgrPointer were deleted. Method OpenGl_GraphicDriver::TextSize() was moved to OpenGl_GraphicDriver.cxx.

Update V3d/FILES

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2015-09-03 14:52:53 +03:00

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// Created on: 1992-01-15
// Created by: GG
// Copyright (c) 1992-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _V3d_View_HeaderFile
#define _V3d_View_HeaderFile
#include <Standard.hxx>
#include <Standard_Type.hxx>
#include <Standard_Real.hxx>
#include <gp_Dir.hxx>
#include <gp_Pnt.hxx>
#include <Graphic3d_Camera.hxx>
#include <V3d_ViewerPointer.hxx>
#include <V3d_ListOfTransient.hxx>
#include <Visual3d_ContextView.hxx>
#include <Aspect_Background.hxx>
#include <Aspect_GradientBackground.hxx>
#include <Graphic3d_Vector.hxx>
#include <Graphic3d_Vertex.hxx>
#include <TColStd_ListIteratorOfListOfTransient.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <gp_Ax3.hxx>
#include <TColStd_Array2OfReal.hxx>
#include <MMgt_TShared.hxx>
#include <V3d_Viewer.hxx>
#include <V3d_TypeOfView.hxx>
#include <Aspect_RenderingContext.hxx>
#include <Aspect_GraphicCallbackProc.hxx>
#include <Standard_Address.hxx>
#include <Quantity_TypeOfColor.hxx>
#include <Quantity_Parameter.hxx>
#include <Quantity_NameOfColor.hxx>
#include <Aspect_GradientFillMethod.hxx>
#include <Standard_CString.hxx>
#include <Aspect_FillMethod.hxx>
#include <V3d_Coordinate.hxx>
#include <V3d_TypeOfShadingModel.hxx>
#include <V3d_TypeOfSurfaceDetail.hxx>
#include <V3d_TypeOfVisualization.hxx>
#include <Quantity_Length.hxx>
#include <V3d_TypeOfZclipping.hxx>
#include <Aspect_TypeOfTriedronPosition.hxx>
#include <Aspect_TypeOfTriedronEcho.hxx>
#include <Graphic3d_GraduatedTrihedron.hxx>
#include <Quantity_PlaneAngle.hxx>
#include <V3d_TypeOfAxe.hxx>
#include <Quantity_Factor.hxx>
#include <V3d_TypeOfOrientation.hxx>
#include <Quantity_Coefficient.hxx>
#include <Quantity_Ratio.hxx>
#include <Graphic3d_BufferType.hxx>
#include <Aspect_Handle.hxx>
#include <Aspect_PrintAlgo.hxx>
#include <Image_PixMap.hxx>
#include <V3d_StereoDumpOptions.hxx>
#include <V3d_TypeOfBackfacingModel.hxx>
#include <Graphic3d_ClipPlane.hxx>
#include <Graphic3d_SequenceOfHClipPlane.hxx>
#include <Graphic3d_RenderingParams.hxx>
class Visual3d_View;
class Aspect_Window;
class Aspect_Grid;
class V3d_LayerMgr;
class Graphic3d_Structure;
class Graphic3d_Group;
class V3d_BadValue;
class Standard_TypeMismatch;
class Standard_MultiplyDefined;
class V3d_UnMapped;
class V3d_Viewer;
class Quantity_Color;
class Graphic3d_TextureEnv;
class V3d_Light;
class Bnd_Box;
class Aspect_GradientBackground;
class gp_Dir;
class Graphic3d_Vector;
class gp_Ax3;
class V3d_View;
DEFINE_STANDARD_HANDLE(V3d_View, MMgt_TShared)
//! Defines the application object VIEW for the
//! VIEWER application.
//! The methods of this class allow the editing
//! and inquiring the parameters linked to the view.
//! (Projection,Mapping,Zclipping,DepthCueing,AntiAliasing
//! et Conversions) .
//! Provides a set of services common to all types of view.
//! Warning: The default parameters are defined by the class
//! Viewer (Example : SetDefaultViewSize()).
//! Certain methods are mouse oriented, and it is
//! necessary to know the difference between the start and
//! the continuation of this gesture in putting the method
//! into operation.
//! Example : Shifting the eye-view along the screen axes.
//!
//! View->Move(10.,20.,0.,True) (Starting motion)
//! View->Move(15.,-5.,0.,False) (Next motion)
class V3d_View : public MMgt_TShared
{
public:
//! Initializes the view.
Standard_EXPORT V3d_View(const Handle(V3d_Viewer)& VM, const V3d_TypeOfView Type = V3d_ORTHOGRAPHIC);
//! Initializes the view by copying.
Standard_EXPORT V3d_View(const Handle(V3d_Viewer)& theVM, const Handle(V3d_View)& theView);
//! Activates the view in the window specified and Map the
//! Window to the screen.
//! Warning! raises MultiplyDefined from Standard
//! if the view is already activated in a window.
//! Warning: The view is centered and resized to preserve
//! the height/width ratio of the window.
Standard_EXPORT void SetWindow (const Handle(Aspect_Window)& IdWin);
//! Activates the view in the specified Window
//! If <aContext> is not NULL the graphic context is used
//! to draw something in this view.
//! Otherwise an internal graphic context is created.
//! If <aDisplayCB> is not NULL then a user display CB is
//! call at the end of the OCC graphic traversal and just
//! before the swap of buffers. The <aClientData> is pass
//! to this call back.
//! Warning! raises MultiplyDefined from Standard
//! if the view is already activated in a window.
//! Warning: The view is centered and resized to preserve
//! the height/width ratio of the window.
Standard_EXPORT void SetWindow (const Handle(Aspect_Window)& aWindow, const Aspect_RenderingContext aContext, const Aspect_GraphicCallbackProc& aDisplayCB, const Standard_Address aClientData);
Standard_EXPORT void SetMagnify (const Handle(Aspect_Window)& IdWin, const Handle(V3d_View)& aPreviousView, const Standard_Integer x1, const Standard_Integer y1, const Standard_Integer x2, const Standard_Integer y2);
//! Destroys the view.
Standard_EXPORT void Remove() const;
//! Deprecated, Redraw() should be used instead.
Standard_EXPORT void Update() const;
//! Redisplays the view even if there has not
//! been any modification.
//! Must be called if the view is shown.
//! (Ex: DeIconification ) .
Standard_EXPORT void Redraw() const;
//! Updates layer of immediate presentations.
Standard_EXPORT void RedrawImmediate() const;
//! Invalidates view content but does not redraw it.
Standard_EXPORT void Invalidate() const;
//! Returns true if cached view content has been invalidated.
Standard_EXPORT Standard_Boolean IsInvalidated() const;
//! Redisplays the view area after esxposure.
//! [x,y] define the min xy area position
//! [width,height] the size of the area in pixel unit.
Standard_EXPORT void Redraw (const Standard_Integer x, const Standard_Integer y, const Standard_Integer width, const Standard_Integer height) const;
//! Must be called when the window supporting the
//! view changes size.
//! if the view is not mapped on a window.
//! Warning: The view is centered and resized to preserve
//! the height/width ratio of the window.
Standard_EXPORT void MustBeResized();
//! Must be called when the window supporting the
//! view is mapped or unmapped.
Standard_EXPORT void DoMapping();
//! Returns the status of the view regarding
//! the displayed structures inside
//! Returns True is The View is empty
Standard_EXPORT Standard_Boolean IsEmpty() const;
//! Updates the lights of the view. The view is redrawn.
Standard_EXPORT void UpdateLights() const;
//! If automatic z-range fitting is turned on, adjusts Z-min and Z-max
//! projection volume planes with call to ZFitAll.
Standard_EXPORT void AutoZFit();
//! Change Z-min and Z-max planes of projection volume to match the
//! displayed objects.
Standard_EXPORT void ZFitAll (const Standard_Real theScaleFactor = 1.0);
//! Defines the background colour of the view
//! by supplying :
//! the colour definition type,
//! and the three corresponding values.
Standard_EXPORT void SetBackgroundColor (const Quantity_TypeOfColor Type, const Quantity_Parameter V1, const Quantity_Parameter V2, const Quantity_Parameter V3);
//! Defines the background colour of the view
//! by supplying :
//! the colour object.
Standard_EXPORT void SetBackgroundColor (const Quantity_Color& Color);
//! Defines the background colour of the view
//! by supplying :
//! the colour name in the form Quantity_NOC_xxxx .
Standard_EXPORT void SetBackgroundColor (const Quantity_NameOfColor Name);
//! Defines the gradient background colours of the view
//! by supplying :
//! two colour objects,
//! and fill method (horizontal by default)
Standard_EXPORT void SetBgGradientColors (const Quantity_Color& Color1, const Quantity_Color& Color2, const Aspect_GradientFillMethod FillStyle = Aspect_GFM_HOR, const Standard_Boolean update = Standard_False);
//! Defines the gradient background colours of the view
//! by supplying :
//! two colour names in the form Quantity_NOC_xxxx,
//! and fill method (horizontal by default)
Standard_EXPORT void SetBgGradientColors (const Quantity_NameOfColor Color1, const Quantity_NameOfColor Color2, const Aspect_GradientFillMethod FillStyle = Aspect_GFM_HOR, const Standard_Boolean update = Standard_False);
//! Defines the gradient background fill method of the view
Standard_EXPORT void SetBgGradientStyle (const Aspect_GradientFillMethod AMethod = Aspect_GFM_HOR, const Standard_Boolean update = Standard_False);
//! Defines the background texture of the view
//! by supplying :
//! texture image file name,
//! and fill method (centered by default)
Standard_EXPORT void SetBackgroundImage (const Standard_CString FileName, const Aspect_FillMethod FillStyle = Aspect_FM_CENTERED, const Standard_Boolean update = Standard_False);
//! Defines the textured background fill method of the view
Standard_EXPORT void SetBgImageStyle (const Aspect_FillMethod FillStyle, const Standard_Boolean update = Standard_False);
//! Definition of an axis from its origin and
//! its orientation .
//! This will be the current axis for rotations and movements.
//! Warning! raises BadValue from V3d if the vector normal is NULL. .
Standard_EXPORT void SetAxis (const V3d_Coordinate X, const V3d_Coordinate Y, const V3d_Coordinate Z, const Quantity_Parameter Vx, const Quantity_Parameter Vy, const Quantity_Parameter Vz);
//! Defines the shading model for the
//! visualisation ZBUFFER mode.
//! Various models are available.
Standard_EXPORT void SetShadingModel (const V3d_TypeOfShadingModel Model);
//! select the kind of rendering for texture mapping
//! no texture mapping by default
Standard_EXPORT void SetSurfaceDetail (const V3d_TypeOfSurfaceDetail SurfaceDetail);
//! set the environment texture to use
//! no environment texture by default
Standard_EXPORT void SetTextureEnv (const Handle(Graphic3d_TextureEnv)& ATexture);
//! Defines the visualisation mode in the view.
Standard_EXPORT void SetVisualization (const V3d_TypeOfVisualization Mode);
//! Activates antialiasing in the view.
Standard_EXPORT void SetAntialiasingOn();
//! Desactivates antialiasing in the view.
Standard_EXPORT void SetAntialiasingOff();
//! Defines the depth of the medium clipping plane.
Standard_EXPORT void SetZClippingDepth (const Quantity_Length Depth);
//! Defines the thicknes around the medium clippling plane. .
Standard_EXPORT void SetZClippingWidth (const Quantity_Length Width);
//! Defines the type of ZClipping.
Standard_EXPORT void SetZClippingType (const V3d_TypeOfZclipping Type);
//! Defines the depth of the medium plane.
Standard_EXPORT void SetZCueingDepth (const Quantity_Length Depth);
//! Defines the thickness around the medium plane.
Standard_EXPORT void SetZCueingWidth (const Quantity_Length Width);
//! Activates ZCueing in the view.
Standard_EXPORT void SetZCueingOn();
//! Desactivates ZCueing in the view.
Standard_EXPORT void SetZCueingOff();
//! Activates MyLight in the view.
Standard_EXPORT void SetLightOn (const Handle(V3d_Light)& MyLight);
//! Activates all the lights defined in this view.
Standard_EXPORT void SetLightOn();
//! Desactivate MyLight in this view.
Standard_EXPORT void SetLightOff (const Handle(V3d_Light)& MyLight);
//! Deactivate all the Lights defined in this view.
Standard_EXPORT void SetLightOff();
//! Returns TRUE when the light is active in this view.
Standard_EXPORT Standard_Boolean IsActiveLight (const Handle(V3d_Light)& aLight) const;
//! sets the immediate update mode and returns the previous one.
Standard_EXPORT Standard_Boolean SetImmediateUpdate (const Standard_Boolean theImmediateUpdate);
//! Customization of the ZBUFFER Triedron.
//! XColor,YColor,ZColor - colors of axis
//! SizeRatio - ratio of decreasing of the trihedron size when its phisical
//! position comes out of the view
//! AxisDiametr - diameter relatively to axis length
//! NbFacettes - number of facettes of cylinders and cones
Standard_EXPORT void ZBufferTriedronSetup (const Quantity_NameOfColor XColor = Quantity_NOC_RED, const Quantity_NameOfColor YColor = Quantity_NOC_GREEN, const Quantity_NameOfColor ZColor = Quantity_NOC_BLUE1, const Standard_Real SizeRatio = 0.8, const Standard_Real AxisDiametr = 0.05, const Standard_Integer NbFacettes = 12);
//! Display of the Triedron.
//! Initialize position, color and length of Triedron axes.
//! The scale is a percent of the window width.
Standard_EXPORT void TriedronDisplay (const Aspect_TypeOfTriedronPosition APosition = Aspect_TOTP_CENTER, const Quantity_NameOfColor AColor = Quantity_NOC_WHITE, const Standard_Real AScale = 0.02, const V3d_TypeOfVisualization AMode = V3d_WIREFRAME);
//! Erases the Triedron.
Standard_EXPORT void TriedronErase();
//! Highlights the echo zone of the Triedron.
Standard_EXPORT void TriedronEcho (const Aspect_TypeOfTriedronEcho AType = Aspect_TOTE_NONE);
//! Returns data of a graduated trihedron.
Standard_EXPORT const Graphic3d_GraduatedTrihedron& GetGraduatedTrihedron() const;
//! Displays a graduated trihedron.
Standard_EXPORT void GraduatedTrihedronDisplay (const Graphic3d_GraduatedTrihedron& theTrigedronData);
//! Erases a graduated trihedron from the view.
Standard_EXPORT void GraduatedTrihedronErase();
Standard_EXPORT void SetLayerMgr (const Handle(V3d_LayerMgr)& aMgr);
//! modify the Projection of the view perpendicularly to
//! the privileged plane of the viewer.
Standard_EXPORT void SetFront();
//! Rotates the eye about the coordinate system of
//! reference of the screen
//! for which the origin is the view point of the projection,
//! with a relative angular value in RADIANS with respect to
//! the initial position expressed by Start = Standard_True
//! Warning! raises BadValue from V3d
//! If the eye, the view point, or the high point are
//! aligned or confused.
Standard_EXPORT void Rotate (const Quantity_PlaneAngle Ax, const Quantity_PlaneAngle Ay, const Quantity_PlaneAngle Az, const Standard_Boolean Start = Standard_True);
//! Rotates the eye about the coordinate system of
//! reference of the screen
//! for which the origin is Gravity point {X,Y,Z},
//! with a relative angular value in RADIANS with respect to
//! the initial position expressed by Start = Standard_True
//! If the eye, the view point, or the high point are
//! aligned or confused.
Standard_EXPORT void Rotate (const Quantity_PlaneAngle Ax, const Quantity_PlaneAngle Ay, const Quantity_PlaneAngle Az, const V3d_Coordinate X, const V3d_Coordinate Y, const V3d_Coordinate Z, const Standard_Boolean Start = Standard_True);
//! Rotates the eye about one of the coordinate axes of
//! of the view for which the origin is the Gravity point{X,Y,Z}
//! with an relative angular value in RADIANS with
//! respect to the initial position expressed by
//! Start = Standard_True
Standard_EXPORT void Rotate (const V3d_TypeOfAxe Axe, const Quantity_PlaneAngle Angle, const V3d_Coordinate X, const V3d_Coordinate Y, const V3d_Coordinate Z, const Standard_Boolean Start = Standard_True);
//! Rotates the eye about one of the coordinate axes of
//! of the view for which the origin is the view point of the
//! projection with an relative angular value in RADIANS with
//! respect to the initial position expressed by
//! Start = Standard_True
Standard_EXPORT void Rotate (const V3d_TypeOfAxe Axe, const Quantity_PlaneAngle Angle, const Standard_Boolean Start = Standard_True);
//! Rotates the eye around the current axis a relative
//! angular value in RADIANS with respect to the initial
//! position expressed by Start = Standard_True
Standard_EXPORT void Rotate (const Quantity_PlaneAngle Angle, const Standard_Boolean Start = Standard_True);
//! Movement of the eye parallel to the coordinate system
//! of reference of the screen a distance relative to the
//! initial position expressed by Start = Standard_True.
Standard_EXPORT void Move (const Quantity_Length Dx, const Quantity_Length Dy, const Quantity_Length Dz, const Standard_Boolean Start = Standard_True);
//! Movement of the eye parallel to one of the axes of the
//! coordinate system of reference of the view a distance
//! relative to the initial position expressed by
//! Start = Standard_True.
Standard_EXPORT void Move (const V3d_TypeOfAxe Axe, const Quantity_Length Length, const Standard_Boolean Start = Standard_True);
//! Movement of the eye parllel to the current axis
//! a distance relative to the initial position
//! expressed by Start = Standard_True
Standard_EXPORT void Move (const Quantity_Length Length, const Standard_Boolean Start = Standard_True);
//! Movement of the ye and the view point parallel to the
//! frame of reference of the screen a distance relative
//! to the initial position expressed by
//! Start = Standard_True
Standard_EXPORT void Translate (const Quantity_Length Dx, const Quantity_Length Dy, const Quantity_Length Dz, const Standard_Boolean Start = Standard_True);
//! Movement of the eye and the view point parallel to one
//! of the axes of the fame of reference of the view a
//! distance relative to the initial position
//! expressed by Start = Standard_True
Standard_EXPORT void Translate (const V3d_TypeOfAxe Axe, const Quantity_Length Length, const Standard_Boolean Start = Standard_True);
//! Movement of the eye and view point parallel to
//! the current axis a distance relative to the initial
//! position expressed by Start = Standard_True
Standard_EXPORT void Translate (const Quantity_Length Length, const Standard_Boolean Start = Standard_True);
//! places the point of the view corresponding
//! at the pixel position x,y at the center of the window
//! and updates the view.
Standard_EXPORT void Place (const Standard_Integer theXp, const Standard_Integer theYp, const Quantity_Factor theZoomFactor = 1);
//! Rotation of the view point around the frame of reference
//! of the screen for which the origin is the eye of the
//! projection with a relative angular value in RADIANS
//! with respect to the initial position expressed by
//! Start = Standard_True
Standard_EXPORT void Turn (const Quantity_PlaneAngle Ax, const Quantity_PlaneAngle Ay, const Quantity_PlaneAngle Az, const Standard_Boolean Start = Standard_True);
//! Rotation of the view point around one of the axes of the
//! frame of reference of the view for which the origin is
//! the eye of the projection with an angular value in
//! RADIANS relative to the initial position expressed by
//! Start = Standard_True
Standard_EXPORT void Turn (const V3d_TypeOfAxe Axe, const Quantity_PlaneAngle Angle, const Standard_Boolean Start = Standard_True);
//! Rotation of the view point around the current axis an
//! angular value in RADIANS relative to the initial
//! position expressed by Start = Standard_True
Standard_EXPORT void Turn (const Quantity_PlaneAngle Angle, const Standard_Boolean Start = Standard_True);
//! Defines the angular position of the high point of
//! the reference frame of the view with respect to the
//! Y screen axis with an absolute angular value in
//! RADIANS.
Standard_EXPORT void SetTwist (const Quantity_PlaneAngle Angle);
//! Defines the position of the eye..
Standard_EXPORT void SetEye (const V3d_Coordinate X, const V3d_Coordinate Y, const V3d_Coordinate Z);
//! Defines the Depth of the eye from the view point
//! without update the projection .
Standard_EXPORT void SetDepth (const Quantity_Length Depth);
//! Defines the orientation of the projection.
Standard_EXPORT void SetProj (const Quantity_Parameter Vx, const Quantity_Parameter Vy, const Quantity_Parameter Vz);
//! Defines the orientation of the projection .
Standard_EXPORT void SetProj (const V3d_TypeOfOrientation Orientation);
//! Defines the position of the view point.
Standard_EXPORT void SetAt (const V3d_Coordinate X, const V3d_Coordinate Y, const V3d_Coordinate Z);
//! Defines the orientation of the high point.
Standard_EXPORT void SetUp (const Quantity_Parameter Vx, const Quantity_Parameter Vy, const Quantity_Parameter Vz);
//! Defines the orientation(SO) of the high point.
Standard_EXPORT void SetUp (const V3d_TypeOfOrientation Orientation);
//! Saves the current state of the orientation of the view
//! which will be the return state at ResetViewOrientation.
Standard_EXPORT void SetViewOrientationDefault();
//! Resets the orientation of the view.
//! Updates the view
Standard_EXPORT void ResetViewOrientation();
//! Translates the center of the view along "x" and "y" axes of
//! view projection. Can be used to perform interactive panning operation.
//! In that case the DXv, DXy parameters specify panning relative to the
//! point where the operation is started.
//! @param theDXv [in] the relative panning on "x" axis of view projection, in view space coordinates.
//! @param theDYv [in] the relative panning on "y" axis of view projection, in view space coordinates.
//! @param theZoomFactor [in] the zooming factor.
//! @param theToStart [in] pass TRUE when starting panning to remember view
//! state prior to panning for relative arguments. If panning is started,
//! passing {0, 0} for {theDXv, theDYv} will return view to initial state.
//! Performs update of view.
Standard_EXPORT void Panning (const Standard_Real theDXv, const Standard_Real theDYv, const Quantity_Factor theZoomFactor = 1, const Standard_Boolean theToStart = Standard_True);
//! Relocates center of screen to the point, determined by
//! {Xp, Yp} pixel coordinates relative to the bottom-left corner of
//! screen. To calculate pixel coordinates for any point from world
//! coordinate space, it can be projected using "Project".
//! @param theXp [in] the x coordinate.
//! @param theYp [in] the y coordinate.
Standard_EXPORT void SetCenter (const Standard_Integer theXp, const Standard_Integer theYp);
//! Defines the view projection size in its maximum dimension,
//! keeping the inital height/width ratio unchanged.
Standard_EXPORT void SetSize (const Quantity_Length theSize);
//! Defines the Depth size of the view
//! Front Plane will be set to Size/2.
//! Back Plane will be set to -Size/2.
//! Any Object located Above the Front Plane or
//! behind the Back Plane will be Clipped .
//! NOTE than the XY Size of the View is NOT modified .
Standard_EXPORT void SetZSize (const Quantity_Length Size);
//! Zooms the view by a factor relative to the initial
//! value expressed by Start = Standard_True
//! Updates the view.
Standard_EXPORT void SetZoom (const Quantity_Factor Coef, const Standard_Boolean Start = Standard_True);
//! Zooms the view by a factor relative to the value
//! initialised by SetViewMappingDefault().
//! Updates the view.
Standard_EXPORT void SetScale (const Quantity_Factor Coef);
//! Sets anisotropic (axial) scale factors <Sx>, <Sy>, <Sz> for view <me>.
//! Anisotropic scaling operation is performed through multiplying
//! the current view orientation matrix by a scaling matrix:
//! || Sx 0 0 0 ||
//! || 0 Sy 0 0 ||
//! || 0 0 Sz 0 ||
//! || 0 0 0 1 ||
//! Updates the view.
Standard_EXPORT void SetAxialScale (const Standard_Real Sx, const Standard_Real Sy, const Standard_Real Sz);
//! Adjust view parameters to fit the displayed scene, respecting height / width ratio.
//! The Z clipping range (depth range) is fitted if AutoZFit flag is TRUE.
//! Throws program error exception if margin coefficient is < 0 or >= 1.
//! Updates the view.
//! @param theMargin [in] the margin coefficient for view borders.
//! @param theToUpdate [in] flag to perform view update.
Standard_EXPORT void FitAll (const Quantity_Coefficient theMargin = 0.01, const Standard_Boolean theToUpdate = Standard_True);
//! Adjust view parameters to fit the displayed scene, respecting height / width ratio
//! according to the custom bounding box given.
//! Throws program error exception if margin coefficient is < 0 or >= 1.
//! Updates the view.
//! @param theBox [in] the custom bounding box to fit.
//! @param theMargin [in] the margin coefficient for view borders.
//! @param theToUpdate [in] flag to perform view update.
Standard_EXPORT void FitAll (const Bnd_Box& theBox, const Quantity_Coefficient theMargin = 0.01, const Standard_Boolean theToUpdate = Standard_True);
//! Adjusts the viewing volume so as not to clip the displayed objects by front and back
//! and back clipping planes. Also sets depth value automatically depending on the
//! calculated Z size and Aspect parameter.
//! NOTE than the original XY size of the view is NOT modified .
Standard_EXPORT void DepthFitAll (const Quantity_Coefficient Aspect = 0.01, const Quantity_Coefficient Margin = 0.01);
//! Centers the defined projection window so that it occupies
//! the maximum space while respecting the initial
//! height/width ratio.
//! NOTE than the original Z size of the view is NOT modified .
Standard_EXPORT void FitAll (const Standard_Real theMinXv, const Standard_Real theMinYv, const Standard_Real theMaxXv, const Standard_Real theMaxYv);
//! Centers the defined PIXEL window so that it occupies
//! the maximum space while respecting the initial height/width ratio.
//! NOTE than the original Z size of the view is NOT modified.
//! @param theMinXp [in] pixel coordinates of minimal corner on x screen axis.
//! @param theMinYp [in] pixel coordinates of minimal corner on y screen axis.
//! @param theMaxXp [in] pixel coordinates of maximal corner on x screen axis.
//! @param theMaxYp [in] pixel coordinates of maximal corner on y screen axis.
Standard_EXPORT void WindowFit (const Standard_Integer theMinXp, const Standard_Integer theMinYp, const Standard_Integer theMaxXp, const Standard_Integer theMaxYp);
//! Saves the current view mapping. This will be the
//! state returned from ResetViewmapping.
Standard_EXPORT void SetViewMappingDefault();
//! Resets the centering of the view.
//! Updates the view
Standard_EXPORT void ResetViewMapping();
//! Resets the centering and the orientation of the view
//! Updates the view
Standard_EXPORT void Reset (const Standard_Boolean update = Standard_True);
//! Converts the PIXEL value
//! to a value in the projection plane.
Standard_EXPORT Quantity_Length Convert (const Standard_Integer Vp) const;
//! Converts the point PIXEL into a point projected
//! in the reference frame of the projection plane.
Standard_EXPORT void Convert (const Standard_Integer Xp, const Standard_Integer Yp, V3d_Coordinate& Xv, V3d_Coordinate& Yv) const;
//! Converts tha value of the projection plane into
//! a PIXEL value.
Standard_EXPORT Standard_Integer Convert (const Quantity_Length Vv) const;
//! Converts the point defined in the reference frame
//! of the projection plane into a point PIXEL.
Standard_EXPORT void Convert (const V3d_Coordinate Xv, const V3d_Coordinate Yv, Standard_Integer& Xp, Standard_Integer& Yp) const;
//! Converts the projected point into a point
//! in the reference frame of the view corresponding
//! to the intersection with the projection plane
//! of the eye/view point vector.
Standard_EXPORT void Convert (const Standard_Integer Xp, const Standard_Integer Yp, V3d_Coordinate& X, V3d_Coordinate& Y, V3d_Coordinate& Z) const;
//! Converts the projected point into a point
//! in the reference frame of the view corresponding
//! to the intersection with the projection plane
//! of the eye/view point vector and returns the
//! projection ray for further computations.
Standard_EXPORT void ConvertWithProj (const Standard_Integer Xp, const Standard_Integer Yp, V3d_Coordinate& X, V3d_Coordinate& Y, V3d_Coordinate& Z, Quantity_Parameter& Vx, Quantity_Parameter& Vy, Quantity_Parameter& Vz) const;
//! Converts the projected point into the nearest grid point
//! in the reference frame of the view corresponding
//! to the intersection with the projection plane
//! of the eye/view point vector and display the grid marker.
//! Warning: When the grid is not active the result is identical to the above Convert() method.
//! How to use:
//! 1) Enable the grid echo display
//! myViewer->SetGridEcho(Standard_True);
//! 2) When application receive a move event:
//! 2.1) Check if any object is detected
//! if( myInteractiveContext->MoveTo(x,y) == AIS_SOD_Nothing ) {
//! 2.2) Check if the grid is active
//! if( myViewer->Grid()->IsActive() ) {
//! 2.3) Display the grid echo and gets the grid point
//! myView->ConvertToGrid(x,y,X,Y,Z);
//! myView->Viewer()->ShowGridEcho (myView, Graphic3d_Vertex (X,Y,Z));
//! myView->RedrawImmediate();
//! 2.4) Else this is the standard case
//! } else myView->Convert(x,y,X,Y,Z);
Standard_EXPORT void ConvertToGrid (const Standard_Integer Xp, const Standard_Integer Yp, V3d_Coordinate& Xg, V3d_Coordinate& Yg, V3d_Coordinate& Zg) const;
//! Converts the point into the nearest grid point
//! and display the grid marker.
Standard_EXPORT void ConvertToGrid (const V3d_Coordinate X, const V3d_Coordinate Y, const V3d_Coordinate Z, V3d_Coordinate& Xg, V3d_Coordinate& Yg, V3d_Coordinate& Zg) const;
//! Projects the point defined in the reference frame of
//! the view into the projected point in the associated window.
Standard_EXPORT void Convert (const V3d_Coordinate X, const V3d_Coordinate Y, const V3d_Coordinate Z, Standard_Integer& Xp, Standard_Integer& Yp) const;
//! Converts the point defined in the user space of
//! the view to the projected view plane point at z 0.
Standard_EXPORT void Project (const V3d_Coordinate X, const V3d_Coordinate Y, const V3d_Coordinate Z, V3d_Coordinate& Xp, V3d_Coordinate& Yp) const;
//! Returns the Background color values of the view
//! depending of the color Type.
Standard_EXPORT void BackgroundColor (const Quantity_TypeOfColor Type, Quantity_Parameter& V1, Quantity_Parameter& V2, Quantity_Parameter& V3) const;
//! Returns the Background color object of the view.
Standard_EXPORT Quantity_Color BackgroundColor() const;
//! Returns the gradient background colour objects of the view.
Standard_EXPORT void GradientBackgroundColors (Quantity_Color& Color1, Quantity_Color& Color2) const;
//! Returns the gradient background of the view.
Standard_EXPORT Aspect_GradientBackground GradientBackground() const;
//! Returns the current value of the zoom expressed with
//! respect to SetViewMappingDefault().
Standard_EXPORT Quantity_Factor Scale() const;
//! Returns the current values of the anisotropic (axial) scale factors.
Standard_EXPORT void AxialScale (Standard_Real& Sx, Standard_Real& Sy, Standard_Real& Sz) const;
//! Returns the height and width of the view.
Standard_EXPORT void Size (Quantity_Length& Width, Quantity_Length& Height) const;
//! Returns the Depth of the view .
Standard_EXPORT Standard_Real ZSize() const;
//! Returns the position of the eye.
Standard_EXPORT void Eye (V3d_Coordinate& X, V3d_Coordinate& Y, V3d_Coordinate& Z) const;
//! Returns the position of point which emanating the
//! projections.
Standard_EXPORT void FocalReferencePoint (V3d_Coordinate& X, V3d_Coordinate& Y, V3d_Coordinate& Z) const;
//! Returns the coordinate of the point (Xpix,Ypix)
//! in the view (XP,YP,ZP), and the projection vector of the
//! view passing by the point (for PerspectiveView).
Standard_EXPORT void ProjReferenceAxe (const Standard_Integer Xpix, const Standard_Integer Ypix, V3d_Coordinate& XP, V3d_Coordinate& YP, V3d_Coordinate& ZP, V3d_Coordinate& VX, V3d_Coordinate& VY, V3d_Coordinate& VZ) const;
//! Returns the Distance between the Eye and View Point.
Standard_EXPORT Quantity_Length Depth() const;
//! Returns the projection vector.
Standard_EXPORT void Proj (Quantity_Parameter& Vx, Quantity_Parameter& Vy, Quantity_Parameter& Vz) const;
//! Returns the position of the view point.
Standard_EXPORT void At (V3d_Coordinate& X, V3d_Coordinate& Y, V3d_Coordinate& Z) const;
//! Returns the vector giving the position of the high point.
Standard_EXPORT void Up (Quantity_Parameter& Vx, Quantity_Parameter& Vy, Quantity_Parameter& Vz) const;
//! Returns in RADIANS the orientation of the view around
//! the visual axis measured from the Y axis of the screen.
Standard_EXPORT Quantity_PlaneAngle Twist() const;
//! Returns the current shading model.
Standard_EXPORT V3d_TypeOfShadingModel ShadingModel() const;
Standard_EXPORT V3d_TypeOfSurfaceDetail SurfaceDetail() const;
Standard_EXPORT Handle(Graphic3d_TextureEnv) TextureEnv() const;
//! Returns the current visualisation mode.
Standard_EXPORT V3d_TypeOfVisualization Visualization() const;
//! Indicates if the antialiasing is active (True) or
//! inactive (False).
Standard_EXPORT Standard_Boolean Antialiasing() const;
//! Returns activity and information on the Zcueing.
//! <Depth> : Depth of plane.
//! <Width> : Thickness around the plane.
Standard_EXPORT Standard_Boolean ZCueing (Quantity_Length& Depth, Quantity_Length& Width) const;
//! Returns current information on the ZClipping.
//! <Depth> : Depth of plane.
//! <Width> : Thickness around the plane.
//! <TypeOfZclipping> : "BACK"
//! "FRONT"
//! "SLICE"
//! "OFF"
Standard_EXPORT V3d_TypeOfZclipping ZClipping (Quantity_Length& Depth, Quantity_Length& Width) const;
//! Returns True if One light more can be
//! activated in this View.
Standard_EXPORT Standard_Boolean IfMoreLights() const;
//! initializes an iteration on the active Lights.
Standard_EXPORT void InitActiveLights();
//! returns true if there are more active Light(s) to return.
Standard_EXPORT Standard_Boolean MoreActiveLights() const;
//! Go to the next active Light
//! (if there is not, ActiveLight will raise an exception)
Standard_EXPORT void NextActiveLights();
Standard_EXPORT Handle(V3d_Light) ActiveLight() const;
//! Returns the viewer in which the view has been created.
Standard_EXPORT Handle(V3d_Viewer) Viewer() const;
//! Returns True if MyView is associated with a window .
Standard_EXPORT Standard_Boolean IfWindow() const;
//! Returns the Aspect Window associated with the view.
Standard_EXPORT Handle(Aspect_Window) Window() const;
//! Returns the Type of the View
Standard_EXPORT V3d_TypeOfView Type() const;
//! Translates the center of the view along "x" and "y" axes of
//! view projection. Can be used to perform interactive panning operation.
//! In that case the DXp, DXp parameters specify panning relative to the
//! point where the operation is started.
//! @param theDXp [in] the relative panning on "x" axis of view projection, in pixels.
//! @param theDYp [in] the relative panning on "y" axis of view projection, in pixels.
//! @param theZoomFactor [in] the zooming factor.
//! @param theToStart [in] pass TRUE when starting panning to remember view
//! state prior to panning for relative arguments. Passing 0 for relative
//! panning parameter should return view panning to initial state.
//! Performs update of view.
Standard_EXPORT void Pan (const Standard_Integer theDXp, const Standard_Integer theDYp, const Quantity_Factor theZoomFactor = 1, const Standard_Boolean theToStart = Standard_True);
//! Zoom the view according to a zoom factor computed
//! from the distance between the 2 mouse position.
//! @param theXp1 [in] the x coordinate of first mouse position, in pixels.
//! @param theYp1 [in] the y coordinate of first mouse position, in pixels.
//! @param theXp2 [in] the x coordinate of second mouse position, in pixels.
//! @param theYp2 [in] the y coordinate of second mouse position, in pixels.
Standard_EXPORT void Zoom (const Standard_Integer theXp1, const Standard_Integer theYp1, const Standard_Integer theXp2, const Standard_Integer theYp2);
//! Defines starting point for ZoomAtPoint view operation.
//! @param theXp [in] the x mouse coordinate, in pixels.
//! @param theYp [in] the y mouse coordinate, in pixels.
Standard_EXPORT void StartZoomAtPoint (const Standard_Integer theXp, const Standard_Integer theYp);
//! Zooms the model at a pixel defined by the method StartZoomAtPoint().
Standard_EXPORT void ZoomAtPoint (const Standard_Integer theMouseStartX, const Standard_Integer theMouseStartY, const Standard_Integer theMouseEndX, const Standard_Integer theMouseEndY);
//! Performs anisotropic scaling of <me> view along the given <Axis>.
//! The scale factor is calculated on a basis of
//! the mouse pointer displacement <Dx,Dy>.
//! The calculated scale factor is then passed to SetAxialScale(Sx, Sy, Sz) method.
Standard_EXPORT void AxialScale (const Standard_Integer Dx, const Standard_Integer Dy, const V3d_TypeOfAxe Axis);
//! Begin the rotation of the view around the screen axis
//! according to the mouse position <X,Y>.
//! Warning: Enable rotation around the Z screen axis when <zRotationThreshold>
//! factor is > 0 soon the distance from the start point and the center
//! of the view is > (medium viewSize * <zRotationThreshold> ).
//! Generally a value of 0.4 is usable to rotate around XY screen axis
//! inside the circular threshold area and to rotate around Z screen axis
//! outside this area.
Standard_EXPORT void StartRotation (const Standard_Integer X, const Standard_Integer Y, const Quantity_Ratio zRotationThreshold = 0.0);
//! Continues the rotation of the view
//! with an angle computed from the last and new mouse position <X,Y>.
Standard_EXPORT void Rotation (const Standard_Integer X, const Standard_Integer Y);
//! Change View Plane Distance for Perspective Views
//! Warning! raises TypeMismatch from Standard if the view
//! is not a perspective view.
Standard_EXPORT void SetFocale (const Quantity_Length Focale);
//! Returns the View Plane Distance for Perspective Views
Standard_EXPORT Quantity_Length Focale() const;
//! Returns the associated Visual3d view.
Standard_EXPORT Handle(Visual3d_View) View() const;
//! Switches computed HLR mode in the view
Standard_EXPORT void SetComputedMode (const Standard_Boolean aMode);
//! Returns the computed HLR mode state
Standard_EXPORT Standard_Boolean ComputedMode() const;
//! idem than WindowFit
Standard_EXPORT void WindowFitAll (const Standard_Integer Xmin, const Standard_Integer Ymin, const Standard_Integer Xmax, const Standard_Integer Ymax);
//! Defines or Updates the definition of the
//! grid in <me>
Standard_EXPORT void SetGrid (const gp_Ax3& aPlane, const Handle(Aspect_Grid)& aGrid);
//! Defines or Updates the graphic definition of the
//! grid in <me>
Standard_EXPORT void SetGridGraphicValues (const Handle(Aspect_Grid)& aGrid);
//! Defines or Updates the activity of the
//! grid in <me>
Standard_EXPORT void SetGridActivity (const Standard_Boolean aFlag);
//! dump the full contents of the view at the same
//! scale in the file <theFile>. The file name
//! extension must be one of ".png",".bmp",".jpg",".gif".
//! Returns FALSE when the dump has failed
Standard_EXPORT Standard_Boolean Dump (const Standard_CString theFile, const Graphic3d_BufferType& theBufferType = Graphic3d_BT_RGB);
//! print the contents of the view to printer with preview.
//! <hPrnDC> : If you have already an PrinterDeviceContext (HDC),
//! then you can pass it to the print routines.
//! If you don't have an PrinterDeviceContext, then this parameter should
//! be NULL.
//! <showDialog> : If hPrnDC == NULL, then you can force the print routines to
//! open a Print Dialog box.
//! If you want to do this, then set showDialog to TRUE
//! If you don't want to see a dialog (only possible, if you have a hPrnDC
//! or the dialog box was opened once before) then set <showDialog> to FALSE.
//! <showBackground> : When set to FALSE then print the view without background color
//! (background is white)
//! else set to TRUE for printing with current background color.
//! <filename>: If != NULL, then the view will be printed to a file.
//! <printAlgorithm>: If you want to select the print algorithm, then you can
//! specify one of existing algorithms: Aspect_PA_STRETCH, Aspect_PA_TILE.
//! Returns Standard_True if the data is passed to the printer, otherwise
//! Standard_False if the print operation failed. This might be related to
//! insufficient memory or some internal errors. All this errors are
//! indicated by the message boxes (on level of OpenGl_GraphicDriver).
//! Warning: This function can reuse FBO assigned to the
//! view on level of OpenGl_GraphicDriver; Please take it into account if
//! you use it for your purposes;
//! Warning: Works only under Windows.
Standard_EXPORT Standard_Boolean Print (const Aspect_Handle hPrnDC = 0, const Standard_Boolean showDialog = Standard_True, const Standard_Boolean showBackground = Standard_True, const Standard_CString filename = NULL, const Aspect_PrintAlgo printAlgorithm = Aspect_PA_STRETCH) const;
//! Dumps the full contents of the view
//! to a pixmap of pixel size <theWidth> * <theHeight> and
//! buffer type <theBufferType>. If <theToKeepAspect> is true
//! the aspect ratio of view will be kept if <theWidth> and <theHeight>
//! define another ratio.
//! Pixmap will be automatically (re)allocated when needed.
//! When dumping stereographic camera - the corresponding
//! middle-point monographic projection will be used for dumping by default.
//! <theStereoOptions> flags are to be used for dumping then left or
//! right eye projections.
Standard_EXPORT Standard_Boolean ToPixMap (Image_PixMap& theImage, const Standard_Integer theWidth, const Standard_Integer theHeight, const Graphic3d_BufferType& theBufferType = Graphic3d_BT_RGB, const Standard_Boolean theToKeepAspect = Standard_True, const V3d_StereoDumpOptions theStereoOptions = V3d_SDO_MONO);
//! Manages display of the back faces
//! When <aModel> is TOBM_AUTOMATIC the object backfaces
//! are displayed only for surface objects and
//! never displayed for solid objects.
//! this was the previous mode.
//! <aModel> is TOBM_ALWAYS_DISPLAYED the object backfaces
//! are always displayed both for surfaces or solids.
//! <aModel> is TOBM_NEVER_DISPLAYED the object backfaces
//! are never displayed.
Standard_EXPORT void SetBackFacingModel (const V3d_TypeOfBackfacingModel aModel = V3d_TOBM_AUTOMATIC);
//! Returns current state of the back faces display
Standard_EXPORT V3d_TypeOfBackfacingModel BackFacingModel() const;
//! turns on/off opengl lighting, currently used in triedron displaying
Standard_EXPORT void EnableGLLight (const Standard_Boolean enable = Standard_True) const;
//! returns the current state of the gl lighting
//! currently used in triedron displaying
Standard_EXPORT Standard_Boolean IsGLLightEnabled() const;
//! Adds clip plane to the view. The composition of clip planes truncates the
//! rendering space to convex volume. Number of supported clip planes can be consulted
//! by PlaneLimit method of associated Visual3d_View. Please be aware that the planes
//! which exceed the limit are ignored during rendering.
//! @param thePlane [in] the clip plane to be added to view.
Standard_EXPORT virtual void AddClipPlane (const Handle(Graphic3d_ClipPlane)& thePlane);
//! Removes clip plane from the view.
//! @param thePlane [in] the clip plane to be removed from view.
Standard_EXPORT virtual void RemoveClipPlane (const Handle(Graphic3d_ClipPlane)& thePlane);
//! Sets sequence of clip planes to the view. The planes that have been set
//! before are removed from the view. The composition of clip planes
//! truncates the rendering space to convex volume. Number of supported
//! clip planes can be consulted by PlaneLimit method of associated
//! Visual3d_View. Please be aware that the planes which exceed the limit
//! are ignored during rendering.
//! @param thePlanes [in] the clip planes to set.
Standard_EXPORT void SetClipPlanes (const Graphic3d_SequenceOfHClipPlane& thePlanes);
//! Get clip planes.
//! @return sequence clip planes that have been set for the view
Standard_EXPORT const Graphic3d_SequenceOfHClipPlane& GetClipPlanes() const;
//! Change camera used by view.
Standard_EXPORT void SetCamera (const Handle(Graphic3d_Camera)& theCamera);
//! Returns camera object of the view.
//! @return: handle to camera object, or NULL if 3D view does not use
//! the camera approach.
Standard_EXPORT const Handle(Graphic3d_Camera)& Camera() const;
//! Returns current rendering parameters and effect settings.
Standard_EXPORT const Graphic3d_RenderingParams& RenderingParams() const;
//! Returns reference to current rendering parameters and effect settings.
Standard_EXPORT Graphic3d_RenderingParams& ChangeRenderingParams();
//! @return flag value of objects culling mechanism
Standard_EXPORT Standard_Boolean IsCullingEnabled() const;
//! Turn on/off automatic culling of objects outside frustrum (ON by default)
Standard_EXPORT void SetFrustumCulling (const Standard_Boolean theMode);
friend
//! Activates all of the views of a viewer attached
//! to a window.
Standard_EXPORT void V3d_Viewer::SetViewOn();
friend
//! Activates a particular view in the Viewer .
//! Must be call if the Window attached to the view
//! has been Deiconified .
Standard_EXPORT void V3d_Viewer::SetViewOn (const Handle(V3d_View)& View);
friend
//! Deactivates all the views of a Viewer
//! attached to a window.
Standard_EXPORT void V3d_Viewer::SetViewOff();
friend
//! Deactivates a particular view in the Viewer.
//! Must be call if the Window attached to the view
//! has been Iconified .
Standard_EXPORT void V3d_Viewer::SetViewOff (const Handle(V3d_View)& View);
DEFINE_STANDARD_RTTI(V3d_View,MMgt_TShared)
protected:
Standard_EXPORT void ImmediateUpdate() const;
//! Transform camera eye, center and scale to fit in the
//! passed bounding box specified in WCS.
//! @param theCamera [in] the camera.
//! @param theBox [in] the bounding box.
//! @param theMargin [in] the margin coefficient for view borders.
//! @param theResolution [in] the minimum size of projection of
//! bounding box in Xv or Yv direction when it considered to
//! be a thin plane or point (without a volume).
//! In this case only the center of camera is adjusted.
//! @param theToEnlargeIfLine [in] if passed TRUE - in cases when the
//! whole bounding box projected into thin line going along
//! Z-axis of screen, the view plane is enlarged such that
//! we see the whole line on rotation, otherwise only the
//! center of camera is adjusted.
//! @return TRUE if the fit all operation can be done.
Standard_EXPORT Standard_Boolean FitMinMax (const Handle(Graphic3d_Camera)& theCamera, const Bnd_Box& theBox, const Standard_Real theMargin, const Standard_Real theResolution = 0.0, const Standard_Boolean theToEnlargeIfLine = Standard_True) const;
//! Scales camera to fit the view frame of defined width and height
//! keeping the aspect. For orthogonal camera the method changes scale,
//! for perspective adjusts Eye location about the Center point.
//! @param theSizeXv [in] size of viewport frame on "x" axis.
//! @param theSizeYv [in] size of viewport frame on "y" axis.
Standard_EXPORT void Scale (const Handle(Graphic3d_Camera)& theCamera, const Standard_Real theSizeXv, const Standard_Real theSizeYv) const;
Standard_EXPORT void Translate (const Handle(Graphic3d_Camera)& theCamera, const Standard_Real theDXv, const Standard_Real theDYv) const;
Standard_Real myOldMouseX;
Standard_Real myOldMouseY;
gp_Dir myCamStartOpUp;
gp_Pnt myCamStartOpEye;
Standard_Real myCamStartOpBnd[6];
gp_Pnt myCamStartOpCenter;
Handle(Graphic3d_Camera) myCamera;
Handle(Visual3d_View) MyView;
Standard_Boolean myImmediateUpdate;
private:
//! Change the scale factor and position of the view
//! such as the bounding box <Umin, Vmin, Umax, Vmax> is contains
//! in the view.
Standard_EXPORT void FitAll (const Handle(Aspect_Window)& aWindow, const V3d_Coordinate Umin, const V3d_Coordinate Vmin, const V3d_Coordinate Umax, const V3d_Coordinate Vmax);
//! Determines the screen axes in the reference
//! framework of the view.
Standard_EXPORT static Standard_Boolean ScreenAxis (const gp_Dir& Vpn, const gp_Dir& Vup, Graphic3d_Vector& Xaxe, Graphic3d_Vector& Yaxe, Graphic3d_Vector& Zaxe);
//! Transforms the Vertex V according to the matrice Matrix .
Standard_EXPORT static Graphic3d_Vertex TrsPoint (const Graphic3d_Vertex& V, const TColStd_Array2OfReal& Matrix);
//! Returns the objects number and the projection window
//! of the objects contained in the view.
Standard_EXPORT Standard_Integer MinMax (V3d_Coordinate& Umin, V3d_Coordinate& Vmin, V3d_Coordinate& Umax, V3d_Coordinate& Vmax) const;
//! Returns the objects number and the box encompassing
//! the objects contained in the view
Standard_EXPORT Standard_Integer MinMax (V3d_Coordinate& Xmin, V3d_Coordinate& Ymin, V3d_Coordinate& Zmin, V3d_Coordinate& Xmax, V3d_Coordinate& Ymax, V3d_Coordinate& Zmax) const;
//! Returns the Objects number and the gravity center
//! of ALL viewable points in the view
Standard_EXPORT void Gravity (V3d_Coordinate& X, V3d_Coordinate& Y, V3d_Coordinate& Z) const;
Standard_EXPORT void Init();
//! Returns a new vertex when the grid is activated.
Standard_EXPORT Graphic3d_Vertex Compute (const Graphic3d_Vertex& AVertex) const;
V3d_ViewerPointer MyViewer;
V3d_ListOfTransient MyActiveLights;
Visual3d_ContextView MyViewContext;
Aspect_Background MyBackground;
Aspect_GradientBackground MyGradientBackground;
Graphic3d_Vector MyDefaultViewAxis;
Graphic3d_Vertex MyDefaultViewPoint;
Handle(Aspect_Window) MyWindow;
TColStd_ListIteratorOfListOfTransient myActiveLightsIterator;
Standard_Integer sx;
Standard_Integer sy;
Standard_Real rx;
Standard_Real ry;
Standard_Real gx;
Standard_Real gy;
Standard_Real gz;
Standard_Boolean myComputedMode;
Standard_Boolean SwitchSetFront;
Standard_Integer MyZoomAtPointX;
Standard_Integer MyZoomAtPointY;
Handle(Aspect_Grid) MyGrid;
gp_Ax3 MyPlane;
TColStd_Array2OfReal MyTrsf;
Handle(Graphic3d_Structure) MyGridEchoStructure;
Handle(Graphic3d_Group) MyGridEchoGroup;
Graphic3d_Vector myXscreenAxis;
Graphic3d_Vector myYscreenAxis;
Graphic3d_Vector myZscreenAxis;
Graphic3d_Vector myViewAxis;
Graphic3d_Vertex myGravityReferencePoint;
};
#endif // _V3d_View_HeaderFile
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