PTLib  Version 2.18.8
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
PVideoControlInfo Class Reference

#include <videoio.h>

Inheritance diagram for PVideoControlInfo:
Collaboration diagram for PVideoControlInfo:

Public Member Functions

 P_DECLARE_STREAMABLE_ENUM (Types, Pan, Tilt, Zoom, Focus)
 
 PVideoControlInfo (Types type=EndTypes, int minimum=0, int maximum=100, int step=1, int reset=0)
 
virtual void PrintOn (ostream &strm) const
 Output the contents of the object to the stream. More...
 
bool IsValid () const
 
Types GetType () const
 
int GetStep () const
 
int Reset ()
 
int GetCurrent () const
 
int SetCurrent (int current)
 
- Public Member Functions inherited from PObject
__inline unsigned GetTraceContextIdentifier () const
 Get PTRACE context identifier. More...
 
__inline void SetTraceContextIdentifier (unsigned id)
 
__inline void SetTraceContextIdentifier (const PObject &obj)
 
__inline void SetTraceContextIdentifier (const PObject *obj)
 
__inline void CopyTraceContextIdentifier (PObject &obj) const
 
__inline void CopyTraceContextIdentifier (PObject *obj) const
 
virtual ~PObject ()
 
__inline const char * GetClass () const
 
__inline bool IsClass (const char *name) const
 
__inline const PObjectPTraceObjectInstance () const
 
virtual PObjectClone () const
 Create a copy of the class on the heap. More...
 
template<class CLS >
CLS * CloneAs () const
 As for Clone() but converts to specified type. More...
 
virtual PINDEX HashFunction () const
 This function yields a hash value required by the PDictionary class. More...
 
virtual Comparison Compare (const PObject &obj) const
 Compare the two objects and return their relative rank. More...
 
virtual Comparison CompareObjectMemoryDirect (const PObject &obj) const
 Determine the byte wise comparison of two objects. More...
 
bool operator== (const PObject &obj) const
 Compare the two objects. More...
 
bool operator!= (const PObject &obj) const
 Compare the two objects. More...
 
bool operator< (const PObject &obj) const
 Compare the two objects. More...
 
bool operator> (const PObject &obj) const
 Compare the two objects. More...
 
bool operator<= (const PObject &obj) const
 Compare the two objects. More...
 
bool operator>= (const PObject &obj) const
 Compare the two objects. More...
 
virtual void ReadFrom (istream &strm)
 Input the contents of the object from the stream. More...
 

Protected Attributes

Types m_type
 
int m_minimum
 
int m_maximum
 
int m_step
 
int m_reset
 
int m_current
 
- Protected Attributes inherited from PObject
unsigned m_traceContextIdentifier
 

Additional Inherited Members

- Public Types inherited from PObject
enum  Comparison { LessThan = -1, EqualTo = 0, GreaterThan = 1 }
 Result of the comparison operation performed by the Compare() function. More...
 
- Static Public Member Functions inherited from PObject
static __inline void CopyTraceContextIdentifier (PObject &to, const PObject &from)
 
static __inline void CopyTraceContextIdentifier (PObject &to, const PObject *from)
 
static __inline void CopyTraceContextIdentifier (PObject *to, const PObject &from)
 
static __inline void CopyTraceContextIdentifier (PObject *to, const PObject *from)
 
static __inline const char * Class ()
 
static __inline const PObjectPTraceObjectInstance (const char *)
 
static __inline const PObjectPTraceObjectInstance (const PObject *obj)
 
template<typename T >
static Comparison Compare2 (T v1, T v2)
 Compare two types, returning Comparison type. More...
 
static Comparison InternalCompareObjectMemoryDirect (const PObject *obj1, const PObject *obj2, PINDEX size)
 Internal function caled from CompareObjectMemoryDirect() More...
 
- Protected Member Functions inherited from PObject
 PObject ()
 Constructor for PObject, made protected so cannot ever create one on its own. More...
 

Constructor & Destructor Documentation

PVideoControlInfo::PVideoControlInfo ( Types  type = EndTypes,
int  minimum = 0,
int  maximum = 100,
int  step = 1,
int  reset = 0 
)
inline

Member Function Documentation

int PVideoControlInfo::GetCurrent ( ) const
inline

References m_current.

int PVideoControlInfo::GetStep ( ) const
inline

References m_step.

Types PVideoControlInfo::GetType ( ) const
inline

References m_type.

bool PVideoControlInfo::IsValid ( ) const
inline

References m_type.

PVideoControlInfo::P_DECLARE_STREAMABLE_ENUM ( Types  ,
Pan  ,
Tilt  ,
Zoom  ,
Focus   
)
virtual void PVideoControlInfo::PrintOn ( ostream &  strm) const
virtual

Output the contents of the object to the stream.

The exact output is dependent on the exact semantics of the descendent class. This is primarily used by the standard operator<< function.

The default behaviour is to print the class name.

Reimplemented from PObject.

int PVideoControlInfo::Reset ( )
inline

References m_current, and m_reset.

int PVideoControlInfo::SetCurrent ( int  current)

Member Data Documentation

int PVideoControlInfo::m_current
protected

Referenced by GetCurrent(), and Reset().

int PVideoControlInfo::m_maximum
protected
int PVideoControlInfo::m_minimum
protected
int PVideoControlInfo::m_reset
protected

Referenced by Reset().

int PVideoControlInfo::m_step
protected

Referenced by GetStep().

Types PVideoControlInfo::m_type
protected

Referenced by GetType(), and IsValid().


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