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SkyItem Class Referenceabstract

#include <skyitem.h>

Inheritance diagram for SkyItem:

Public Member Functions

 SkyItem (LabelsItem::label_t labelType, RootNode *rootNode=nullptr)
virtual ~SkyItem ()
virtual void hide () override
void hideLabels ()
LabelsItem::label_t labelType ()
RootNoderootNode ()
virtual void show () override
virtual void update ()=0
- Public Member Functions inherited from SkyOpacityNode
bool visible ()
- Public Member Functions inherited from QSGOpacityNode
qreal opacity () const const
void setOpacity (qreal opacity)
- Public Member Functions inherited from QSGNode
void appendChildNode (QSGNode *node)
QSGNodechildAtIndex (int i) const const
int childCount () const const
QSGNodefirstChild () const const
Flags flags () const const
void insertChildNodeAfter (QSGNode *node, QSGNode *after)
void insertChildNodeBefore (QSGNode *node, QSGNode *before)
virtual bool isSubtreeBlocked () const const
QSGNodelastChild () const const
void markDirty (DirtyState bits)
QSGNodenextSibling () const const
QSGNodeparent () const const
void prependChildNode (QSGNode *node)
virtual void preprocess ()
QSGNodepreviousSibling () const const
void removeAllChildNodes ()
void removeChildNode (QSGNode *node)
void setFlag (Flag f, bool enabled)
void setFlags (Flags f, bool enabled)
NodeType type () const const

Additional Inherited Members

- Public Types inherited from QSGNode
enum  DirtyStateBit
enum  Flag
enum  NodeType
- Public Attributes inherited from QSGNode
typedef DirtyState
typedef Flags

Detailed Description

This is an interface for implementing SkyItems that represent SkyComponent derived objects on the SkyMapLite.

It is derived from QSGOpacityNode to make it possible to hide the whole node tree by simply setting opacity to 0.

A base class that is used for displaying SkyComponents on SkyMapLite.

Artem Fedoskin

Definition at line 29 of file skyitem.h.

Constructor & Destructor Documentation

◆ SkyItem()

SkyItem::SkyItem ( LabelsItem::label_t labelType,
RootNode * rootNode = nullptr )

Constructor, appends SkyItem to rootNode as a child in a node tree.

labelTypetype of label that corresponds to this item
see LabelsItem::label_t
parenta pointer to SkyItem's parent node

Definition at line 10 of file skyitem.cpp.

◆ ~SkyItem()

SkyItem::~SkyItem ( )
See also

Definition at line 15 of file skyitem.cpp.

Member Function Documentation

◆ hide()

void SkyItem::hide ( )

hides this item and corresponding labels

Reimplemented from SkyOpacityNode.

Reimplemented in PlanetsItem.

Definition at line 37 of file skyitem.cpp.

◆ hideLabels()

void SkyItem::hideLabels ( )

Definition at line 32 of file skyitem.cpp.

◆ labelType()

LabelsItem::label_t SkyItem::labelType ( )
label type of this SkyItem

Definition at line 60 of file skyitem.h.

◆ rootNode()

RootNode * SkyItem::rootNode ( )
RootNode that is the parent of this SkyItem in a node tree

Definition at line 57 of file skyitem.h.

◆ show()

void SkyItem::show ( )

makes this node visible

Reimplemented from SkyOpacityNode.

Reimplemented in PlanetsItem.

Definition at line 23 of file skyitem.cpp.

◆ update()

virtual void SkyItem::update ( )
pure virtual

updates the coordinates and visibility of child node.

Similar to draw routine in SkyComponent derived classes

Implemented in ConstellationNamesItem, DeepSkyItem, DeepStarItem, HorizonItem, EquatorItem, LinesItem, StarItem, AsteroidsItem, CometsItem, ConstellationArtItem, FOVItem, EclipticItem, PlanetsItem, SatellitesItem, SupernovaeItem, and TelescopeSymbolsItem.

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