SoScale1Dragger - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 2.5.0
Note : Coin
NAMESoScale1Dragger − The SoScale1Dragger class provides a mechanism for the end-user to scale in one dimension.
SYNOPSIS
#include <Inventor/draggers/SoScale1Dragger.h> Inherits SoDragger.
Public Member Functionsvirtual SoType getTypeId (void) const
virtual const SoNodekitCatalog * getNodekitCatalog (void) const
SoScale1Dragger (void)
Static Public Member Functionsstatic SoType getClassTypeId (void)
static const SoNodekitCatalog * getClassNodekitCatalog (void)
static void initClass (void)
Public AttributesSoSFVec3f scaleFactor
Protected Member Functionsvirtual const SoFieldData * getFieldData (void) const
~SoScale1Dragger ()
virtual SbBool setUpConnections (SbBool onoff, SbBool doitalways=0)
void dragStart (void)
void drag (void)
void dragFinish (void)
Static Protected Member Functionsstatic const SoFieldData ** getFieldDataPtr (void)
static const SoNodekitCatalog ** getClassNodekitCatalogPtr (void)
static void startCB (void *f, SoDragger *d)
static void motionCB (void *f, SoDragger *d)
static void finishCB (void *f, SoDragger *d)
static void fieldSensorCB (void *f, SoSensor *s)
static void valueChangedCB (void *f, SoDragger *d)
Protected AttributesSoSFNode feedback
SoSFNode feedbackActive
SoSFNode feedbackSwitch
SoSFNode scaler
SoSFNode scalerActive
SoSFNode scalerSwitch
SoFieldSensor * fieldSensor
SbLineProjector * lineProj
Additional Inherited Members
Detailed DescriptionThe SoScale1Dragger class provides a mechanism for the end-user to scale in one dimension. Here's how the dragger looks with its default geometry in the inactive state: Use this dragger to allow the end-user of your application to scale along the X-axis. (Use a transformation node in front of the dragger to position it and re-orient it to scale along any vector.) See also SoScale2Dragger, SoScaleUniformDragger, SoScale2UniformDragger
Constructor & Destructor Documentation
SoScale1Dragger::SoScale1Dragger (void)Default constructor, sets up the dragger nodekit catalog with the interaction and feedback geometry. Node kit structure (new entries versus parent class marked with arrow prefix): CLASS SoScale1Dragger
-->"this"
"callbackList"
"topSeparator"
"motionMatrix"
"geomSeparator"
--> "scalerSwitch"
--> "scaler"
--> "scalerActive"
--> "feedbackSwitch"
--> "feedback"
--> "feedbackActive"(See SoBaseKit::printDiagram() for information about the output formatting.) Detailed information on catalog parts: CLASS SoScale1Dragger
PVT "this", SoScale1Dragger ---
"callbackList", SoNodeKitListPart [ SoCallback, SoEventCallback ]
PVT "topSeparator", SoSeparator ---
PVT "motionMatrix", SoMatrixTransform ---
PVT "geomSeparator", SoSeparator ---
PVT "scalerSwitch", SoSwitch ---
"scaler", SoSeparator ---
"scalerActive", SoSeparator ---
PVT "feedbackSwitch", SoSwitch ---
"feedback", SoSeparator ---
"feedbackActive", SoSeparator --- (See SoBaseKit::printTable() for information about the output formatting.) References SoDragger::addFinishCallback(), SoDragger::addMotionCallback(), SoDragger::addStartCallback(), SoDragger::addValueChangedCallback(), fieldSensor, fieldSensorCB(), finishCB(), lineProj, motionCB(), SoInteractionKit::readDefaultParts(), scaleFactor, SoInteractionKit::setPartAsDefault(), SoDelayQueueSensor::setPriority(), SoInteractionKit::setSwitchValue(), setUpConnections(), startCB(), and valueChangedCB().
SoScale1Dragger::~SoScale1Dragger () [protected]Protected destructor. (Dragger classes are derived from SoBase, so they are reference counted and automatically destroyed when their reference count goes to 0.) References fieldSensor, and lineProj.
Member Function Documentation
SoType SoScale1Dragger::getTypeId (void) const [virtual]Returns the type identification of an object derived from a class inheriting SoBase. This is used for run-time type checking and 'downward' casting. Usage example: void foo(SoNode * node)
{
if (node->getTypeId() == SoFile::getClassTypeId()) {
SoFile * filenode = (SoFile *)node; // safe downward cast, knows the type
}
else if (node->getTypeId().isOfType(SoGroup::getClassTypeId())) {
SoGroup * group = (SoGroup *)node; // safe downward cast, knows the type
}
}For application programmers wanting to extend the library with new nodes, engines, nodekits, draggers or others: this method needs to be overridden in all subclasses. This is typically done as part of setting up the full type system for extension classes, which is usually accomplished by using the pre-defined macros available through for instance Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes), Inventor/engines/SoSubEngine.h (for engine classes) and so on. For more information on writing Coin extensions, see the class documentation of the toplevel superclasses for the various class groups. Reimplemented from SoDragger.
const SoFieldData * SoScale1Dragger::getFieldData (void) const [protected], [virtual]Returns a pointer to the class-wide field data storage object for this instance. If no fields are present, returns NULL. Reimplemented from SoDragger.
const SoNodekitCatalog * SoScale1Dragger::getNodekitCatalog (void) const [virtual]Returns the nodekit catalog which defines the layout of this class' kit. Reimplemented from SoDragger.
SbBool SoScale1Dragger::setUpConnections (SbBool onoff, SbBool doitalways = 0) [protected], [virtual]Sets up all internal connections for instances of this class. (This method will usually not be of interest to the application programmer, unless you want to extend the library with new custom nodekits or dragger classes. If so, see the SoBaseKit class documentation.) Reimplemented from SoInteractionKit. References SoFieldSensor::attach(), SoBaseKit::connectionsSetUp, SoFieldSensor::detach(), fieldSensor, fieldSensorCB(), SoFieldSensor::getAttachedField(), scaleFactor, and SoInteractionKit::setUpConnections(). Referenced by SoScale1Dragger().
void SoScale1Dragger::startCB (void * f, SoDragger * d) [static], [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
References dragStart(). Referenced by SoScale1Dragger().
void SoScale1Dragger::motionCB (void * f, SoDragger * d) [static], [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
References drag(). Referenced by SoScale1Dragger().
void SoScale1Dragger::finishCB (void * f, SoDragger * d) [static], [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
References dragFinish(). Referenced by SoScale1Dragger().
void SoScale1Dragger::fieldSensorCB (void * d, SoSensor * s) [static], [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
References SoDragger::getMotionMatrix(), SbMatrix::getTransform(), scaleFactor, SoDragger::setMotionMatrix(), and SbMatrix::setTransform(). Referenced by setUpConnections(), and SoScale1Dragger().
void SoScale1Dragger::valueChangedCB (void * f, SoDragger * d) [static], [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
References SoFieldSensor::attach(), SoFieldSensor::detach(), fieldSensor, SoDragger::getMotionMatrix(), SbMatrix::getTransform(), and scaleFactor. Referenced by SoScale1Dragger().
void SoScale1Dragger::dragStart (void) [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
Called when dragger is selected (picked) by the user. References SoDragger::getLocalStartingPoint(), lineProj, SbLineProjector::setLine(), and SoInteractionKit::setSwitchValue(). Referenced by startCB().
void SoScale1Dragger::drag (void) [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
Called when user drags the mouse after picking the dragger. References SoDragger::appendScale(), SoDragger::getLocalStartingPoint(), SoDragger::getLocalToWorldMatrix(), SoDragger::getNormalizedLocaterPosition(), SoDragger::getStartMotionMatrix(), SoDragger::getViewVolume(), lineProj, SbLineProjector::project(), SoDragger::setMotionMatrix(), SbProjector::setViewVolume(), and SbProjector::setWorkingSpace(). Referenced by motionCB().
void SoScale1Dragger::dragFinish (void) [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
Called when mouse button is released after picking and interacting with the dragger. References SoInteractionKit::setSwitchValue(). Referenced by finishCB().
Member Data Documentation
SoSFVec3f SoScale1Dragger::scaleFactorContinuously updated to contain the current vector of scaling along the X, Y and Z axes. For the SoScale1Dragger, only the X component is used, the Y and Z components will always be equal to 1 (ie no scaling). Referenced by fieldSensorCB(), setUpConnections(), SoScale1Dragger(), and valueChangedCB().
SoFieldSensor * SoScale1Dragger::fieldSensor [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
Referenced by setUpConnections(), SoScale1Dragger(), valueChangedCB(), and ~SoScale1Dragger().
SbLineProjector * SoScale1Dragger::lineProj [protected]This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
Referenced by drag(), dragStart(), SoScale1Dragger(), and ~SoScale1Dragger().
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Johanes Gumabo
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