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IlvRotateAccessor Class Reference

Makes groups or group nodes repeatedly rotate around a given center. More...

#include <ilviews/protos/animacc.h>

Inheritance diagram for IlvRotateAccessor:
IlvAnimationAccessor IlvUserAccessor IlvAccessor

Public Member Functions

 IlvRotateAccessor (const char *name, const IlvValueTypeClass *type, IlvDisplay *display, const char *periodVal, const char *nodeName, const char *angleValue, const char *centerXValue, const char *centerYValue)
 Creates a new animation accessor that makes a group or one of its nodes rotate. More...
 
- Public Member Functions inherited from IlvAnimationAccessor
 IlvAnimationAccessor (const char *name, const IlvValueTypeClass *type, IlvDisplay *display, const char *periodVal)
 Creates a new animation accessor. More...
 
void initialize (const IlvAccessorHolder *object)
 Attachment method to an IlvAccessorHolder. More...
 
- Public Member Functions inherited from IlvUserAccessor
 IlvUserAccessor (const char *name, const IlvValueTypeClass *type, IlUInt flags=0)
 Constructor. More...
 
virtual IlBoolean isOutputValue (const IlSymbol *) const
 Queries if the accessor is an output accessor. More...
 
IlBoolean isPrivate () const
 Checks the private status. More...
 
IlBoolean isRuntime () const
 Checks the RunTime status. More...
 
void setPrivate (IlBoolean val)
 Sets the Private flag of this accessor. More...
 
void setRuntime (IlBoolean runTime)
 Sets the RunTime flag of this accessor. More...
 
- Public Member Functions inherited from IlvAccessor
 IlvAccessor (const char *name, IlvValueTypeClass *type)
 Creates a new accessor of name name and type type.
 
virtual IlBoolean changeValues (IlvAccessorHolder *object, const IlvValue *values, IlUShort count)
 Called by the method IlvAccessible::changeValues() for each IlvAccessor attached to the IlvAccessorHolder.
 
virtual void getAccessors (const IlSymbol *const **accessors, const IlvValueTypeClass *const **types, IlUInt &count) const
 Returns the names and types of the values handled by this accessor. More...
 
const IlSymbolgetName () const
 Returns the name of the accessor. More...
 
IlvValueTypeClassgetType () const
 Returns the type of the accessor. More...
 
virtual IlBoolean isOutputAccessor (IlBoolean &inputAndOutput)
 Queries if the accessor is an output accessor. More...
 
virtual IlShort matchValues (const IlvAccessorHolder *object, const IlvValue *values, IlUShort count, IlvValue *matchingValues=0) const
 Returns the number of values that are handled by the accessor in the values array of length count. More...
 
virtual void queryValues (const IlvAccessorHolder *object, IlvValue *values, IlUShort count) const
 Called by the method IlvAccessible::queryValues() for each IlvAccessor attached to the IlvAccessorHolder.
 
void setName (const IlSymbol *name)
 Sets the name of the accessor. More...
 

Protected Member Functions

virtual void doit ()
 Performs periodic updates of the accessor. More...
 
- Protected Member Functions inherited from IlvAnimationAccessor
virtual IlBoolean changeValue (IlvAccessorHolder *object, const IlvValue &val)
 Called by the method IlvAccessible::changeValue() for each IlvAccessor attached to the IlvAccessorHolder.
 
IlvDisplaygetDisplay ()
 Returns the display to which the accessor is associated. More...
 
IlvAccessorHoldergetObject ()
 The object to which the accessor belongs. More...
 
IlUInt getPeriod ()
 Returns the period of the associated timer. More...
 
virtual IlvValuequeryValue (const IlvAccessorHolder *object, IlvValue &val) const
 Called by the method IlvAccessible::queryValue() for each IlvAccessor attached to the IlvAccessorHolder.
 
void setTimer (IlUInt p)
 Sets the timer period. More...
 
- Protected Member Functions inherited from IlvUserAccessor
virtual IlUInt compareValues (const IlvAccessorHolder *object, const IlvAccessible *ref, IlvValue *values, IlUShort count, IlvValueArray &diffs) const
 Compares the values in ref and object and returns the differing values. More...
 
IlBoolean getValue (IlvValue &val, const IlvAccessorHolder *object, IlvDisplay *display, IlvValueTypeClass *typeClass=0, IlSymbol *typeVal=0, const IlvValue *arg=0) const
 Evaluates a parameter of a user accessor. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from IlvAnimationAccessor
static IlBoolean GetTimersActive ()
 Indicates whether timers are active or not. More...
 
static void SetTimersActive (IlBoolean running)
 Starts or stops all timers. More...
 
static void UseSharedTimers (IlBoolean shared)
 Specifies whether animation accessors should be shared. More...
 
static IlBoolean UseSharedTimers ()
 Indicates whether timers are shared among animation accessors. More...
 

Detailed Description

Makes groups or group nodes repeatedly rotate around a given center.

Library: ilvproto

Constructor & Destructor Documentation

IlvRotateAccessor::IlvRotateAccessor ( const char *  name,
const IlvValueTypeClass type,
IlvDisplay display,
const char *  periodVal,
const char *  nodeName,
const char *  angleValue,
const char *  centerXValue,
const char *  centerYValue 
)

Creates a new animation accessor that makes a group or one of its nodes rotate.

Parameters
nameName of the accessor.
typeType of the value.
displayNeeded to initialize the timers.
periodValSpecifies the interval (in milliseconds) at which visibleValue will be changed (see IlvAnimationAccessor).
nodeNameThe name of the node to be rotated. You can use the character string nodeName to rotate the whole group.
angleValueSpecifies the angle (in degrees) by which the object will be rotated: it can be either an accessor name or a direct value (10 for example).
centerXValueSpecifies the x coordinates of the point around which the object will be rotated.
centerYValueSpecifies the y coordinates of the point around which the object will be rotated.

periodVal, angleValue, centerXValue, and centerYValue can contain a constant value, the name of another accessor, or an arithmetic expression that can contain accessor names and/or constants (see IlvUserAccessor::getValue).

Member Function Documentation

virtual void IlvRotateAccessor::doit ( )
protectedvirtual

Performs periodic updates of the accessor.

This method is called repeatedly by the IlvAnimationAccessor object at the time interval specified by the periodVal argument of the constructor. It must be redefined by subclasses to perform a visual or audio animation effect. Its default behavior implements the clock behavior: it triggers regularly the attribute it is attached to.

Reimplemented from IlvAnimationAccessor.


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