#include <BLine.h>
Public Member Functions | |
| BLine (const BLine &l) | |
| Copy constructor. | |
| BLine (const BPoint &start, const BPoint &end) | |
| Constructs a BLine that connects the specified points. | |
| BLine () | |
| Default constructor. | |
| virtual BGeometry * | Clone (void) const |
| Creates a deep-copy of this object. | |
| virtual size_t | ComputeSize (void) const |
| Computes the size of the BByteArray required to store this object. | |
| virtual double | DistanceTo (const BPoint &point) const |
| Calculates the minimum distance from this BGeometry to the specified BPoint. | |
| virtual void | DoResolveToPoint (const BPoint &refPt) |
| Resolves this BGeometry based on the input BPoint. | |
| virtual BGeometry * | Downsample (UInt32 maxPoints) const |
| Changes the geometry to contain, at most, the specified number of points. | |
| virtual void | FromByteArray (const BByteArray &bytes, size_t &startPos) |
| Initializes an instance of this object from a BByteArray. | |
| virtual const BPoint & | GetEndPoint (void) const |
| Gets the end point for this BLine. | |
| virtual const BPoints & | GetPoints (void) const |
| Gets a collection of points that represents this BGeometry. | |
| virtual const BPoint & | GetStartPoint (void) const |
| Gets the start point for this BLine. | |
| virtual const BVectorizable * | GetVectorizablePtr (void) const |
| Returns an interface that can be used to convert this geometry to a simple geometry. | |
| virtual bool | Intersects (const BRect &rect) const |
| Determines whether or not this BGeometry intersects the specified rectangle. | |
| virtual void | SetEndPoint (const BPoint &pt) |
| Sets the end point for this BLine. | |
| virtual void | SetStartPoint (const BPoint &pt) |
| Sets the start point for this BLine. | |
| virtual BByteArray | ToByteArray (void) const |
| Stores this object in a BByteArray. | |
| virtual void | Transform (const BTransform &cst) |
| Transforms the coordinates in this BGeometry to a different coordinate system. | |
| virtual void | TransformReverse (const BTransform &cst) |
| Transforms the coordinates in this BGeometry to a different coordinate system using the "reverse" of the BTransform. | |
| virtual BGeometry * | Vectorize (double factor=1.0) const |
| Converts this BLine to a BPolyline that matches this BLine. | |
Protected Member Functions | |
| virtual BRect | ComputeMBR () const |
| Computes the minimum bounding rectangle for this BLine. | |
| virtual void | ComputeStats (void) const |
| Calculates the length and MBR of this BLine. | |
Protected Attributes | |
| BPoint | m_endPt |
| The end point for this BLine. | |
| BPoint | m_startPt |
| The start point for this BLine. | |
| BLine | ( | ) | [inline] |
Default constructor.
| virtual BGeometry* Clone | ( | void | ) | const [inline, virtual] |
| virtual BRect ComputeMBR | ( | ) | const [protected, virtual] |
| virtual size_t ComputeSize | ( | void | ) | const [inline, virtual] |
Computes the size of the BByteArray required to store this object.
Reimplemented from BSegment.
| virtual void ComputeStats | ( | void | ) | const [protected, virtual] |
| virtual double DistanceTo | ( | const BPoint & | point | ) | const [virtual] |
| virtual void DoResolveToPoint | ( | const BPoint & | refPt | ) | [virtual] |
Changes the geometry to contain, at most, the specified number of points.
| maxPoints | The maximum number of points in the new geometry. |
Implements BResamplable.
| virtual void FromByteArray | ( | const BByteArray & | bytes, | |
| size_t & | startPos | |||
| ) | [virtual] |
Initializes an instance of this object from a BByteArray.
| bytes | The BByteArray containing the byte representation of the object. | |
| startPos | The position in the BByteArray where the byte representation begins. This value will be updated to point to the byte past the end of this object in the byte array. |
Reimplemented from BSegment.
| virtual const BPoint& GetEndPoint | ( | void | ) | const [inline, virtual] |
| virtual const BPoints& GetPoints | ( | void | ) | const [virtual] |
Gets a collection of points that represents this BGeometry.
Reimplemented from BVectorizable.
| virtual const BPoint& GetStartPoint | ( | void | ) | const [inline, virtual] |
| virtual const BVectorizable* GetVectorizablePtr | ( | void | ) | const [inline, virtual] |
Returns an interface that can be used to convert this geometry to a simple geometry.
The caller should NOT delete the pointer returned by this method.
Reimplemented from BGeometry.
| virtual bool Intersects | ( | const BRect & | rect | ) | const [virtual] |
| virtual void SetEndPoint | ( | const BPoint & | pt | ) | [virtual] |
| virtual void SetStartPoint | ( | const BPoint & | pt | ) | [virtual] |
| virtual BByteArray ToByteArray | ( | void | ) | const [virtual] |
Stores this object in a BByteArray.
Reimplemented from BSegment.
| virtual void Transform | ( | const BTransform & | cst | ) | [virtual] |
Transforms the coordinates in this BGeometry to a different coordinate system.
| cst | The BTransform that describes the transformation. |
Reimplemented from BGeometry.
| virtual void TransformReverse | ( | const BTransform & | cst | ) | [virtual] |
Transforms the coordinates in this BGeometry to a different coordinate system using the "reverse" of the BTransform.
| cst | The BTransform that describes the transformation. |
Reimplemented from BGeometry.
| virtual BGeometry* Vectorize | ( | double | factor = 1.0 |
) | const [virtual] |
Converts this BLine to a BPolyline that matches this BLine.
| factor | The value used to adjust the number of points in the resulting BPolyline. This parameter is ignored for BLine objects. |
Implements BSegment.