CrystalSpace

Public API Reference

csBoxClipper Class Reference
[Geometry utilities]

The csBoxClipper class is able to clip convex polygons to a rectangle (such as the screen). More...

#include <csgeom/polyclip.h>

Inheritance diagram for csBoxClipper:

List of all members.

Public Member Functions

virtual int ClassifyBox (const csBox2 &box)
 Classify some bounding box against this clipper.
virtual uint8 Clip (csVector2 *InPolygon, size_t InCount, csVector2 *OutPolygon, size_t &OutCount, csBox2 &BoundingBox)
 Clip and compute the bounding box.
virtual uint8 Clip (csVector2 *InPolygon, size_t InCount, csVector2 *OutPolygon, size_t &OutCount, csVertexStatus *OutStatus)
 Clip and return additional information about each vertex.
virtual uint8 Clip (csVector2 *InPolygon, size_t InCount, csVector2 *OutPolygon, size_t &OutCount)
 Simple clipping.
 csBoxClipper (float x1, float y1, float x2, float y2)
 Initializes the clipper object to a rectangle with the given coords.
 csBoxClipper (const csBox2 &b)
 Initializes the clipper object to the given bounding region.
virtual csVector2GetClipPoly ()
 Return a pointer to the array of csVector2's.
virtual size_t GetVertexCount ()
 Return number of vertices for this clipper polygon.
virtual bool IsInside (const csVector2 &v)
 Return true if given point is inside (or on bound) of clipper polygon.

Detailed Description

The csBoxClipper class is able to clip convex polygons to a rectangle (such as the screen).

Definition at line 78 of file polyclip.h.


Constructor & Destructor Documentation

csBoxClipper::csBoxClipper ( const csBox2 b  )  [inline]

Initializes the clipper object to the given bounding region.

Definition at line 96 of file polyclip.h.

csBoxClipper::csBoxClipper ( float  x1,
float  y1,
float  x2,
float  y2 
) [inline]

Initializes the clipper object to a rectangle with the given coords.

Definition at line 99 of file polyclip.h.


Member Function Documentation

virtual int csBoxClipper::ClassifyBox ( const csBox2 box  )  [virtual]

Classify some bounding box against this clipper.

virtual uint8 csBoxClipper::Clip ( csVector2 InPolygon,
size_t  InCount,
csVector2 OutPolygon,
size_t &  OutCount 
) [virtual]

Simple clipping.

virtual uint8 csBoxClipper::Clip ( csVector2 InPolygon,
size_t  InCount,
csVector2 OutPolygon,
size_t &  OutCount,
csBox2 BoundingBox 
) [virtual]

Clip and compute the bounding box.

virtual uint8 csBoxClipper::Clip ( csVector2 InPolygon,
size_t  InCount,
csVector2 OutPolygon,
size_t &  OutCount,
csVertexStatus OutStatus 
) [virtual]

Clip and return additional information about each vertex.

virtual csVector2* csBoxClipper::GetClipPoly (  )  [inline, virtual]

Return a pointer to the array of csVector2's.

Definition at line 126 of file polyclip.h.

virtual size_t csBoxClipper::GetVertexCount (  )  [inline, virtual]

Return number of vertices for this clipper polygon.

Definition at line 122 of file polyclip.h.

virtual bool csBoxClipper::IsInside ( const csVector2 v  )  [inline, virtual]

Return true if given point is inside (or on bound) of clipper polygon.

Definition at line 118 of file polyclip.h.


The documentation for this class was generated from the following file:

Generated for Crystal Space 1.4.1 by doxygen 1.7.1