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TK_NURBS_Curve Class Reference

Handles the TKE_NURBS_Curve opcode. More...

#include <BOpcodeHandler.h>

Public Member Functions

TK_Status Clone (BStreamFileToolkit &tk, BBaseOpcodeHandler **handler) const
 
int GetCount () const
 
int GetDegree () const
 
double const * GetDPoints () const
 
double * GetDPoints ()
 
float GetEnd () const
 
float const * GetKnots () const
 
float * GetKnots ()
 
int GetOptions () const
 
float const * GetPoints () const
 
float * GetPoints ()
 
float GetStart () const
 
float const * GetWeights () const
 
float * GetWeights ()
 
TK_Status Read (BStreamFileToolkit &tk)
 
TK_Status ReadAscii (BStreamFileToolkit &tk)
 Deprecated.
 
void Reset ()
 
void SetCurve (int degree, int control_count, float const points[]=0, float const weights[]=0, float const knots[]=0, float start=0.0f, float end=1.0f)
 sets the curve properties
 
void SetDCurve (int degree, int control_count, double const points[]=0, float const weights[]=0, float const knots[]=0, float start=0.0f, float end=1.0f)
 
void SetEnd (float e)
 
void SetOptions (int o)
 
void SetStart (float s)
 
TK_Status Write (BStreamFileToolkit &tk)
 
TK_Status WriteAscii (BStreamFileToolkit &tk)
 Deprecated.
 
- Public Member Functions inherited from BBaseOpcodeHandler
 BBaseOpcodeHandler (int op)
 
virtual TK_Status Execute (BStreamFileToolkit &tk)
 
unsigned char General_Flags () const
 
char const * GetLoggingString () const
 
char * GetLoggingString ()
 
virtual TK_Status Interpret (BStreamFileToolkit &tk, ID_Key key, int variant=0)
 
virtual TK_Status Interpret (BStreamFileToolkit &tk, ID_Key key, char const *special)
 
void LogDebug (BStreamFileToolkit &tk, char const *string=0)
 
virtual bool Match_Instance (BStreamFileToolkit const &tk, Recorded_Instance *instance)
 
virtual bool NeedsContext (BStreamFileToolkit &tk) const
 
bool NeedsTag () const
 
unsigned char Opcode () const
 
int Pass (BStreamFileToolkit &tk) const
 
void Set_General_Flags (int f)
 
void SetLoggingString (char const *segment)
 
void SetLoggingString (int length)
 
void SetNeedsTag (bool n)
 
TK_Status Tag (BStreamFileToolkit &tk, int variant=-1) const
 
bool Tagging (BStreamFileToolkit &tk) const
 
- Public Member Functions inherited from BControlledMemoryObject
void operator delete (void *p)
 force deallocation to happen in the stream toolkit's scope
 
void * operator new (size_t size)
 force allocation to happen in the stream toolkit's scope
 

Protected Member Functions

void set_curve (int degree, int control_count, float const points[]=0, float const weights[]=0, float const knots[]=0, float start=0.0f, float end=1.0f)
 internal use
 
- Protected Member Functions inherited from BBaseOpcodeHandler
void add_segment (BStreamFileToolkit &tk, ID_Key key)
 for internal use only
 
void adjust_written (BStreamFileToolkit &tk, int count)
 for internal use only
 
void bytes_to_floats (unsigned char const *in, float *out, int count) const
 for internal use only
 
void decrease_nesting (BStreamFileToolkit &tk, int amount=1)
 for internal use only
 
bool Find_Instance (BStreamFileToolkit &tk, int val1, int val2, int val3)
 
bool Find_Item (BStreamFileToolkit &tk, ID_Key key) const
 
void floats_to_bytes (float const *in, unsigned char *out, int count) const
 for internal use only
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, int *rInts, unsigned int n)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, unsigned char &value)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, char &value)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, unsigned short &value)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, short &value)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, int &value)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, float &value)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, float *rFloats, unsigned int n)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, char *m_string, unsigned int n)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, unsigned char *m_string, unsigned int n)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, int *rInts, unsigned int n)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, short *rShorts, unsigned int n)
 
TK_Status GetAsciiData (BStreamFileToolkit &tk, const char *tag, unsigned short *rShorts, unsigned int n)
 
TK_Status GetAsciiHex (BStreamFileToolkit &tk, const char *tag, unsigned char &value)
 
TK_Status GetAsciiHex (BStreamFileToolkit &tk, const char *tag, int &value)
 
TK_Status GetAsciiHex (BStreamFileToolkit &tk, const char *tag, char &value)
 
TK_Status GetAsciiHex (BStreamFileToolkit &tk, const char *tag, unsigned short &value)
 
TK_Status GetAsciiImageData (BStreamFileToolkit &tk, const char *tag, unsigned char *rValues, unsigned int n)
 
TK_Status GetGeneral (BStreamFileToolkit &tk)
 
void increase_nesting (BStreamFileToolkit &tk, int amount=1)
 for internal use only
 
ID_Key last_key (BStreamFileToolkit &tk) const
 obsolete
 
void log_opcode (BStreamFileToolkit &tk, unsigned int sequence, unsigned char opcode)
 for internal use only
 
BBaseOpcodeHandlerOpcode_Handler (BStreamFileToolkit &tk, unsigned char op) const
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, char const *b, int n)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, short const *s, int n)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, int const *i, int n)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, float const *f, int n)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, unsigned char const *b, int n)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, unsigned short const *s, int n)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, unsigned int const *i, int n)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, char const &c)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, short const &s)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, int const &i)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, unsigned char const &b)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, unsigned short const &s)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, unsigned int const &i)
 
TK_Status PutAsciiData (BStreamFileToolkit &tk, char const *tag, float const &f)
 
TK_Status PutAsciiFlag (BStreamFileToolkit &tk, char const *tag, int const &i)
 
TK_Status PutAsciiHex (BStreamFileToolkit &tk, char const *tag, int const &i)
 
TK_Status PutAsciiMask (BStreamFileToolkit &tk, char const *tag, int const &i)
 
TK_Status PutAsciiOpcode (BStreamFileToolkit &tk, int adjust=1, bool is_end=false, bool want_newline=true)
 
TK_Status PutEndXMLTag (BStreamFileToolkit &tk, char const *tag)
 
TK_Status PutGeneral (BStreamFileToolkit &tk)
 
TK_Status PutOpcode (BStreamFileToolkit &tk, int adjust=1)
 
TK_Status PutStartXMLTag (BStreamFileToolkit &tk, char const *tag)
 
TK_Status Read_Referenced_Segment (BStreamFileToolkit &tk, int &i_progress)
 
TK_Status ReadAsciiLine (BStreamFileToolkit &tk, unsigned int *readSize=0)
 
TK_Status ReadAsciiWord (BStreamFileToolkit &tk, unsigned int *readSize=0)
 
TK_Status ReadEndOpcode (BStreamFileToolkit &tk)
 
void Record_Instance (BStreamFileToolkit &tk, ID_Key key, int variant, int val1, int val2, int val3) const
 
void Remember_Item (BStreamFileToolkit &tk, ID_Key key) const
 
ID_Key remove_segment (BStreamFileToolkit &tk)
 for internal use only
 
bool RemoveAngularBrackets (char *string)
 
bool RemoveQuotes (char *string)
 
void Revisit (BStreamFileToolkit &tk, float priority=0.0f, int variant=0) const
 
void set_last_key (BStreamFileToolkit &tk, ID_Key key)
 sets the given key as "most recent" on the toolkit for the purposes of associating keys with indices
 
TK_Status SkipNewlineAndTabs (BStreamFileToolkit &tk, unsigned int *readSize=0)
 
bool validate_count (int count, int limit=1<< 24) const
 

Protected Attributes

int m_control_point_count
 
float * m_control_points
 
double * m_dcontrol_points
 
unsigned char m_degree
 
float m_end
 
int m_knot_count_implicit
 
float * m_knots
 
unsigned char m_optionals
 
float m_start
 
float * m_weights
 
- Protected Attributes inherited from BBaseOpcodeHandler
char * m_ascii_buffer
 
int m_ascii_length
 
int m_ascii_progress
 Tracks the amount of data that has been read/written so far by GetAscii functions.
 
int m_ascii_size
 
int m_ascii_stage
 
unsigned char m_byte
 temporary
 
char m_char
 temporary
 
int m_debug_allocated
 
int m_debug_length
 
char * m_debug_string
 
unsigned char m_general_flags
 Basic flags common to many handlers.
 
int m_int
 temporary
 
bool m_needs_tag
 Indicate if this object explicitly needs tagging.
 
unsigned char m_opcode
 The opcode being handled by this particular object.
 
int m_progress
 Tracks the amount of data that has been read/written so far.
 
int m_stage
 The writing stage.
 
unsigned short m_unsigned_short
 temporary
 

Additional Inherited Members

- Static Protected Member Functions inherited from BBaseOpcodeHandler
static void fix (int *i, int n)
 for internal use only
 
static void fix (short *s, int n)
 for internal use only
 
static void fix_in (float *f, int n)
 for internal use only
 
static void fix_in (double *d, int n)
 for internal use only
 
static void fix_out (float *f, int n)
 for internal use only
 
static void fix_out (double *d, int n)
 for internal use only
 
static short flip (short s)
 for internal use only
 
static int flip (int i)
 for internal use only
 
static TK_Status GetData (BStreamFileToolkit &tk, char *b, int n)
 
static TK_Status GetData (BStreamFileToolkit &tk, short *s, int n)
 
static TK_Status GetData (BStreamFileToolkit &tk, int *i, int n)
 
static TK_Status GetData (BStreamFileToolkit &tk, float *f, int n)
 
static TK_Status GetData (BStreamFileToolkit &tk, double *d, int n)
 
static TK_Status GetData (BStreamFileToolkit &tk, unsigned char *b, int n)
 
static TK_Status GetData (BStreamFileToolkit &tk, unsigned short *s, int n)
 
static TK_Status GetData (BStreamFileToolkit &tk, unsigned int *i, int n)
 
static TK_Status GetData (BStreamFileToolkit &tk, char &c)
 
static TK_Status GetData (BStreamFileToolkit &tk, short &s)
 
static TK_Status GetData (BStreamFileToolkit &tk, int &i)
 
static TK_Status GetData (BStreamFileToolkit &tk, unsigned char &b)
 
static TK_Status GetData (BStreamFileToolkit &tk, unsigned short &s)
 
static TK_Status GetData (BStreamFileToolkit &tk, unsigned int &i)
 
static TK_Status GetData (BStreamFileToolkit &tk, float &f)
 
static TK_Status GetData (BStreamFileToolkit &tk, double &d)
 
static TK_Status LookatData (BStreamFileToolkit &tk, unsigned char &b)
 
static TK_Status PutData (BStreamFileToolkit &tk, char const *b, int n)
 
static TK_Status PutData (BStreamFileToolkit &tk, short const *s, int n)
 
static TK_Status PutData (BStreamFileToolkit &tk, int const *i, int n)
 
static TK_Status PutData (BStreamFileToolkit &tk, float const *f, int n)
 
static TK_Status PutData (BStreamFileToolkit &tk, double const *d, int n)
 
static TK_Status PutData (BStreamFileToolkit &tk, unsigned char const *b, int n)
 
static TK_Status PutData (BStreamFileToolkit &tk, unsigned short const *s, int n)
 
static TK_Status PutData (BStreamFileToolkit &tk, unsigned int const *i, int n)
 
static TK_Status PutData (BStreamFileToolkit &tk, char const &c)
 
static TK_Status PutData (BStreamFileToolkit &tk, short const &s)
 
static TK_Status PutData (BStreamFileToolkit &tk, int const &i)
 
static TK_Status PutData (BStreamFileToolkit &tk, unsigned char const &b)
 
static TK_Status PutData (BStreamFileToolkit &tk, unsigned short const &s)
 
static TK_Status PutData (BStreamFileToolkit &tk, unsigned int const &i)
 
static TK_Status PutData (BStreamFileToolkit &tk, float const &f)
 
static TK_Status PutData (BStreamFileToolkit &tk, double const &d)
 
static float read_float (char const *cp, char const **newcpp=0)
 
static float read_float (char const *cp, char **newcpp)
 for internal use only
 
static char * write_float (char *buffer, double f)
 for internal use only
 

Detailed Description

Handles the TKE_NURBS_Curve opcode.

TK_NURBS_Curve provides support for writing/reading the TKE_NURBS_Curve opcode object to/from an HSF file.

The HOOPS/3dGS scene-graph supports NURBS curve primitives

Member Function Documentation

TK_Status TK_NURBS_Curve::Clone ( BStreamFileToolkit tk,
BBaseOpcodeHandler **  handler 
) const
virtual

Copies the opcode handler

Parameters
tkA reference to the BStreamFileToolkit object.
handlerA pointer to the opcode handler object. Passed by reference.
Returns
The result of the function call.

Reimplemented from BBaseOpcodeHandler.

int TK_NURBS_Curve::GetCount ( ) const
inline

Gets the control point count.

int TK_NURBS_Curve::GetDegree ( ) const
inline

Gets the degree of the curve.

double const* TK_NURBS_Curve::GetDPoints ( ) const
inline

Gets a constant pointer to the control points

double* TK_NURBS_Curve::GetDPoints ( )
inline

Gets a mutable pointer to the control points

float TK_NURBS_Curve::GetEnd ( ) const
inline

Gets the end point of the curve.

float const* TK_NURBS_Curve::GetKnots ( ) const
inline

Gets a constant pointer to the curve knots

float* TK_NURBS_Curve::GetKnots ( )
inline

Gets a mutable pointer to the knots

int TK_NURBS_Curve::GetOptions ( ) const
inline

Gets the bit flags to show what optional values are present.

float const* TK_NURBS_Curve::GetPoints ( ) const
inline

Gets a constant pointer to the control points

float* TK_NURBS_Curve::GetPoints ( )
inline

Gets a mutable pointer to the control points

float TK_NURBS_Curve::GetStart ( ) const
inline

Gets the start point of the curve.

float const* TK_NURBS_Curve::GetWeights ( ) const
inline

Gets a constant to the control point weights

float* TK_NURBS_Curve::GetWeights ( )
inline

Gets a mutable pointer to the control point weights

TK_Status TK_NURBS_Curve::Read ( BStreamFileToolkit tk)
virtual

Reads data from the toolkit buffer, decodes/decompresses it, and maps it to the opcode handlers data members. User-defined classes which need to write out custom data should utilize one of the available GetData() methods.

Parameters
tkA reference to the BStreamFileToolkit object.
Returns
The result of the function call.

Implements BBaseOpcodeHandler.

void TK_NURBS_Curve::Reset ( )
virtual

Resets the current opcode handler. This is called by the toolkit when it is done processing an opcode. This method reinitializes any opcode handler variables and frees up temporary data.

Reimplemented from BBaseOpcodeHandler.

void TK_NURBS_Curve::SetEnd ( float  e)
inline

Sets the end point of the curve.

void TK_NURBS_Curve::SetOptions ( int  o)
inline

Sets the bit flags to declare which optional values are present.

void TK_NURBS_Curve::SetStart ( float  s)
inline

Sets the start point of the curve. This, unlike some solid modelers, is parameterized from 0 to 1, an not with respect to whatever is in the knot vector.

TK_Status TK_NURBS_Curve::Write ( BStreamFileToolkit tk)
virtual

Encodes/compresses data and writes data to the toolkit buffer. User-defined classes which need to write out custom data should utilize one of the available PutData() methods, and first write out the opcode associated with the group of binary data followed by the data itself.

Parameters
tkA reference to the BStreamFileToolkit object.
Returns
The result of the function call.

Implements BBaseOpcodeHandler.

Member Data Documentation

int TK_NURBS_Curve::m_control_point_count
protected

internal use; number of control points

float* TK_NURBS_Curve::m_control_points
protected

internal use; array of floats for control point coordinates

double* TK_NURBS_Curve::m_dcontrol_points
protected

internal use; array of doubles for control point coordinates

unsigned char TK_NURBS_Curve::m_degree
protected

internal use; degree of the curve

float TK_NURBS_Curve::m_end
protected

internal use; where the curve ends in parametric [0,1] space

int TK_NURBS_Curve::m_knot_count_implicit
protected

internal use; always (m_controlpointcount + m_degree + 1)

float* TK_NURBS_Curve::m_knots
protected

internal use; array of floats for the curve knot vector

unsigned char TK_NURBS_Curve::m_optionals
protected

internal use; bit field to show which optional fields are present

float TK_NURBS_Curve::m_start
protected

internal use; where the curve starts in parametric [0,1] space

float* TK_NURBS_Curve::m_weights
protected

internal use; array of weights to apply to the control points


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