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// Created: 17.07.07 08:42
// Author: Alexander GRIGORIEV
// Copyright: Open Cascade 2007
#ifndef NIS_Triangulated_HeaderFile
#define NIS_Triangulated_HeaderFile
#include <NIS_InteractiveObject.hxx>
#include <Quantity_Color.hxx>
class Handle_NIS_TriangulatedDrawer;
class NCollection_BaseAllocator;
class Handle_NCollection_BaseAllocator;
/**
* Block of comments describing class NIS_Triangulated
*/
class NIS_Triangulated : public NIS_InteractiveObject
{
protected:
// Constants defining the mode (type) of presentation. They allow mixed type,
// e.g., Triangulation+Line. Line and Segments are not mixable, their mix is
// treated as Line only.
enum {
Type_None = 0,
Type_Loop = 1, // modifier to Line
Type_Line = 2,
Type_Segments = 4,
Type_Triangulation = 8,
Type_Polygons = 16
};
public:
// ---------- PUBLIC METHODS ----------
/**
* Constructor. Optionally defines the number of nodes that will be allocated
* (this number may be defined later in methods Set*Prs) as well as the
* memory allocator where the nodes, lines and triangles will be stored by
* this instance.
*/
Standard_EXPORT NIS_Triangulated(const Standard_Integer nNodes = 0,
const Handle_NCollection_BaseAllocator& =0L);
/**
* Define the polygonal presentration.
* @param nPolygons
* Number of separate polygons. If set to 0, polygons are cancelled
* @param nNodes
* Optional: Number of nodes to allocate. If left as 0, the previous nodes
* allocation is used, otherwise a new allocation is created.
*/
Standard_EXPORT void SetPolygonsPrs
(const Standard_Integer nPolygons,
const Standard_Integer nNodes = 0);
/**
* Define the triangulated presentration.
* @param nTriangles
* Number of triangles. If set to 0, triangulation is cancelled
* @param nNodes
* Optional: Number of nodes to allocate. If left as 0, the previous nodes
* allocation is used, otherwise a new allocation is created.
*/
Standard_EXPORT void SetTriangulationPrs
(const Standard_Integer nTriangles,
const Standard_Integer nNodes = 0);
/**
* Define the line presentration (polygon through points)
* @param nPoints
* Number of nodes defining the line. If set to 0, line is cancelled
* @param isClosed
* True if the polygon is closed, so the segment between the first and
* the last points is created automatically.
* @param nNodes
* Optional: Number of nodes to allocate. If left as 0, the previous nodes
* allocation is used, otherwise a new allocation is created.
*/
Standard_EXPORT void SetLinePrs
(const Standard_Integer nPoints,
const Standard_Boolean isClosed,
const Standard_Integer nNodes = 0);
/**
* Define the segments presentration. Each segment is defined by 2 nodes
* @param nSegments
* Number of segments. If set to 0, segments presentation is cancelled
* @param nNodes
* Optional: Number of nodes to allocate. If left as 0, the previous nodes
* allocation is used, otherwise a new allocation is created.
*/
Standard_EXPORT void SetSegmentPrs
(const Standard_Integer nSegments,
const Standard_Integer nNodes = 0);
/**
* Query if there is Triangulation component in the presentation.
*/
inline Standard_Boolean IsTriangulation () const
{ return (myType & Type_Triangulation) != 0; }
/**
* Query if there is Polygons component in the presentation.
*/
inline Standard_Boolean IsPolygons () const
{ return (myType & Type_Polygons) != 0; }
/**
* Query if there is Line component in the presentation.
*/
inline Standard_Boolean IsLine (Standard_Boolean& isLoop) const
{ isLoop = (myType & Type_Loop) != 0; return (myType & Type_Line) != 0; }
/**
* Query if there is Segments component in the presentation.
*/
inline Standard_Boolean IsSegments () const
{ return (myType & Type_Segments) != 0; }
/**
* Reset all data memebers and free all allocated memory.
* Called from the destructor, also can be usedto re-initialize a given
* Interactive Objects.
*/
Standard_EXPORT void Clear ();
/**
* Destructor.
*/
Standard_EXPORT virtual ~NIS_Triangulated ();
/**
* Create a default drawer instance.
*/
Standard_EXPORT virtual Handle_NIS_Drawer
DefaultDrawer () const;
/**
* Define the coordinates of node [ind].
*/
Standard_EXPORT void SetNode (const Standard_Integer ind,
const gp_XYZ& thePnt);
/**
* Define the coordinates of node [ind]. Z coordinate is assigned to 0.
*/
Standard_EXPORT void SetNode (const Standard_Integer ind,
const gp_XY& thePnt);
/**
* Define the triangle [ind] by indices of its three nodes.
*/
Standard_EXPORT void SetTriangle(const Standard_Integer ind,
const Standard_Integer iNode0,
const Standard_Integer iNode1,
const Standard_Integer iNode2);
/**
* Allocate a single polygon, should be called for each polygon following
* the call SetPolygonsPrs().
* @param ind
* Index of the polygon, should be [0..Npolygons-1]
* @param theSz
* Number of points (segments) in the polygon.
* @return
* Pointer to the allocated buffer where you should store the indices
* of all polygon nodes in order, total "theSz" integers.
*/
Standard_EXPORT Standard_Integer* SetPolygon (const Standard_Integer ind,
const Standard_Integer theSz);
/**
* Define the line node by index.
*/
Standard_EXPORT void SetLineNode(const Standard_Integer ind,
const Standard_Integer iNode);
/**
* Query the number of nodes.
*/
inline Standard_Integer NNodes () const
{ return myNNodes; }
/**
* Query the number of triangles.
*/
inline Standard_Integer NTriangles() const
{ return myNTriangles; }
/**
* Query the number of line points.
*/
inline Standard_Integer NLineNodes() const
{ return myNLineNodes; }
/**
* Query the number of polygons.
*/
inline Standard_Integer NPolygons () const
{ return myNPolygons; }
/**
* Query the node by its index.
* @return
* pointer to array of 3 Standard_ShortReal values (X,Y,Z coordinates)
*/
inline const Standard_ShortReal * Node (const Standard_Integer ind) const
{ return &mypNodes[ind*3]; }
/**
* Query the triangle by its index.
* @return
* pointer to array of 3 Standard_Integer values (nodes 0, 1, 2)
*/
inline const Standard_Integer * Triangle (const Standard_Integer ind) const
{ return &mypTriangles[ind*3]; }
/**
* Query the node of line or segments by index in the array of node indices.
* This method does not make distinction of the presentation type
* (field myType), so the correct definition of ind is to be done by the
* caller.
* @return
* pointer to the Integer value representing the index of the node.
*/
inline const Standard_Integer * LineNode (const Standard_Integer ind) const
{ return &mypLines[ind]; }
/**
* Query the polygon.
* @param ind
* rank of the polygon [0 .. N-1]
* @param outInd
* <tt>[out]</tt> array of vertex indice
* @return
* number of vertice in the polygon - the dimension of outInd array
*/
inline const Standard_Integer Polygon (const Standard_Integer ind,
Standard_Integer* & outInd) const
{ return * (outInd = mypPolygons[ind])++; }
/**
* Set the boolean flag defining if the polygons or the triangulation
* should be drawn. This method does not affect the presentation of
* Line/Segments.
* @param isDrawPolygons
* True defines that no triangulation is drawn, only polygons are. False
* defines that only triangulation is draw, no polygons.
* @param isUpdateV
* True if all views should be updated, otherwise wait till the next update
*/
Standard_EXPORT void SetDrawPolygons
(const Standard_Boolean isDrawPolygons,
const Standard_Boolean isUpdateViews
= Standard_True);
/**
* Set the normal color for presentation.
* @param theColor
* New color to use for the presentation.
* @param isUpdateV
* True if all views should be updated, otherwise wait till the next update
*/
Standard_EXPORT void SetColor (const Quantity_Color& theColor,
const Standard_Boolean isUpdateV
= Standard_True);
/**
* Get Normal, Transparent or Hilighted color of the presentation.
* @param theDrawType
* The draw type, for which the color is retrieved.
*/
Standard_EXPORT Quantity_Color GetColor
(const NIS_Drawer::DrawType theDrawType) const;
/**
* Set the color for hilighted presentation.
* @param theColor
* New color to use for the presentation.
* @param isUpdateV
* True if all views should be updated, otherwise wait till the next update
*/
Standard_EXPORT void SetHilightColor (const Quantity_Color& theColor,
const Standard_Boolean isUpdateV
= Standard_True);
/**
* Set the color for dynamic hilight presentation.
* @param theColor
* New color to use for the presentation.
* @param isUpdateV
* True if all views should be updated, otherwise wait till the next update
*/
Standard_EXPORT void SetDynHilightColor(const Quantity_Color& theColor,
const Standard_Boolean isUpdateV
= Standard_True);
/**
* Set the width of line presentations in pixels.
* @param theWidth
* New line width to use for the presentation.
* @param isUpdateV
* True if all views should be updated, otherwise wait till the next update
*/
Standard_EXPORT void SetLineWidth (const Standard_Real theWidth,
const Standard_Boolean isUpdateV
= Standard_True);
/**
* Intersect the InteractiveObject geometry with a line/ray.
* @param theAxis
* The line or ray in 3D space.
* @param theOver
* Half-thickness of the selecting line.
* @return
* If the return value is more than 0.1*RealLast() then no intersection is
* detected. Otherwise returns the coordinate of thePnt on the ray. May be
* negative.
*/
Standard_EXPORT Standard_Real
Intersect (const gp_Ax1& theAxis,
const Standard_Real theOver) const;
/**
* Intersect the InteractiveObject geometry with an oriented box.
* @param theBox
* 3D box of selection
* @param theTrf
* Position/Orientation of the box.
* @param isFull
* True if full inclusion is required, False - if partial.
* @return
* True if the InteractiveObject geometry intersects the box or is inside it
*/
Standard_EXPORT virtual Standard_Boolean
Intersect (const Bnd_B3f& theBox,
const gp_Trsf& theTrf,
const Standard_Boolean isFull)const;
Standard_EXPORT static int tri_line_intersect (const double start[3],
const double dir[3],
const float V0[3],
const float V1[3],
const float V2[3],
double * tInter);
Standard_EXPORT static int seg_line_intersect (const gp_XYZ& aStart,
const gp_XYZ& aDir,
const double over2,
const float V0[3],
const float V1[3],
double * tInter);
Standard_EXPORT static int seg_box_intersect (const Bnd_B3f& theBox,
const gp_Pnt thePnt[2]);
Standard_EXPORT static int seg_box_included (const Bnd_B3f& theBox,
const gp_Pnt thePnt[2]);
Standard_EXPORT static void ComputeBox (Bnd_B3f& theBox,
const Standard_Integer nNodes,
const Standard_ShortReal* pNodes);
protected:
/**
* Create a 3D bounding box of the object.
*/
Standard_EXPORT virtual void computeBox ();
/**
* Create the memory buffer for the declared number of nodes, old nodes
* are deallocated.
*/
Standard_EXPORT void allocateNodes (const Standard_Integer nNodes);
protected:
// ---------- PROTECTED FIELDS ----------
/**
* Combination of Type_* constants
*/
Standard_Integer myType;
Standard_ShortReal * mypNodes;
Standard_Integer * mypTriangles;
Standard_Integer * mypLines;
Standard_Integer ** mypPolygons;
Standard_Integer myNNodes;
Standard_Integer myNTriangles;
Standard_Integer myNPolygons;
Standard_Integer myNLineNodes;
NCollection_BaseAllocator * myAlloc;
Standard_Boolean myIsDrawPolygons;
public:
// Declaration of CASCADE RTTI
DEFINE_STANDARD_RTTI (NIS_Triangulated)
};
// Definition of HANDLE object using Standard_DefineHandle.hxx
DEFINE_STANDARD_HANDLE (NIS_Triangulated, NIS_InteractiveObject)
#endif
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