RootNode Class Reference

#include <rootnode.h>

Inheritance diagram for RootNode:

Public Member Functions
CometsItem *	cometsItem ()
void	genCachedTextures ()
QSGTexture *	getCachedTexture (int size, char spType)
LabelsItem *	labelsItem ()
StarItem *	starItem ()
TelescopeSymbolsItem *	telescopeSymbolsItem ()
void	testLeakAdd ()
void	testLeakDelete ()
void	update (bool clearTextures=false)
void	updateClipPoly ()
Public Member Functions inherited from QSGClipNode
QRectF	clipRect () const const
bool	isRectangular () const const
void	setClipRect (const QRectF &rect)
void	setIsRectangular (bool rectHint)
Public Member Functions inherited from QSGBasicGeometryNode
QSGGeometry *	geometry ()
const QSGGeometry *	geometry () const const
void	setGeometry (QSGGeometry *geometry)
Public Member Functions inherited from QSGNode
void	appendChildNode (QSGNode *node)
QSGNode *	childAtIndex (int i) const const
int	childCount () const const
QSGNode *	firstChild () const const
Flags	flags () const const
void	insertChildNodeAfter (QSGNode *node, QSGNode *after)
void	insertChildNodeBefore (QSGNode *node, QSGNode *before)
virtual bool	isSubtreeBlocked () const const
QSGNode *	lastChild () const const
void	markDirty (DirtyState bits)
QSGNode *	nextSibling () const const
QSGNode *	parent () const const
void	prependChildNode (QSGNode *node)
virtual void	preprocess ()
QSGNode *	previousSibling () 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
typedef	DirtyState
enum	DirtyStateBit
enum	Flag
typedef	Flags
enum	NodeType
Public Attributes inherited from QSGNode
	BasicNodeType
	ClipNodeType
	DirtyForceUpdate
	DirtyGeometry
	DirtyMaterial
	DirtyMatrix
	DirtyNodeAdded
	DirtyNodeRemoved
	DirtyOpacity
	DirtyPropagationMask
	DirtySubtreeBlocked
	DirtyUsePreprocess
	GeometryNodeType
	InternalReserved
	IsVisitableNode
	OpacityNodeType
	OwnedByParent
	OwnsGeometry
	OwnsMaterial
	OwnsOpaqueMaterial
	RenderNodeType
	RootNodeType
	TransformNodeType
	UsePreprocess

Detailed Description

A QSGClipNode derived class used as a container for holding pointers to nodes and for clipping.

Upon construction RootNode generates all textures that are used by PointNode.

KStars Lite has the following hierarchy:

1. RootNode - the parent of all nodes that also acts as a clipping node
2. SkyItem derived nodes that acts like SkyComponent in regular KStars
3. SkyNode derived nodes that represent SkyObjects (similar to SkyComponent::draw())
4. Simple nodes like EllipseNode or PointNode that draw basic geometry and stars

A container for nodes that holds collection of textures for stars and provides clipping

Author

Artem Fedoskin

Version

1.0

Definition at line 59 of file rootnode.h.

Constructor & Destructor Documentation

RootNode()

RootNode::RootNode

(

)

Definition at line 47 of file rootnode.cpp.

~RootNode()

RootNode::~RootNode ( )

virtual

Definition at line 154 of file rootnode.cpp.

Member Function Documentation

cometsItem()

CometsItem * RootNode::cometsItem ( )

inline

Definition at line 87 of file rootnode.h.

genCachedTextures()

void RootNode::genCachedTextures

(

)

initializes textureCache with cached images of stars from SkyMapLite

Definition at line 165 of file rootnode.cpp.

getCachedTexture()

QSGTexture * RootNode::getCachedTexture	(	int	size,
		char	spType )

returns cached texture from textureCache

Parameters

size	size of the star
spType	spectral class

Returns

cached QSGTexture from textureCache

Definition at line 185 of file rootnode.cpp.

labelsItem()

LabelsItem * RootNode::labelsItem ( )

inline

Definition at line 89 of file rootnode.h.

starItem()

StarItem * RootNode::starItem ( )

inline

Definition at line 91 of file rootnode.h.

telescopeSymbolsItem()

TelescopeSymbolsItem * RootNode::telescopeSymbolsItem ( )

inline

Definition at line 95 of file rootnode.h.

testLeakAdd()

void RootNode::testLeakAdd

(

)

Definition at line 102 of file rootnode.cpp.

testLeakDelete()

void RootNode::testLeakDelete

(

)

Debug functions.

Definition at line 127 of file rootnode.cpp.

update()

void RootNode::update

(

bool

clearTextures = false

)

update positions of all child SkyItems

Parameters

clearTextures

true if textures for PointNodes should recreated (required when color scheme is changed)

Definition at line 216 of file rootnode.cpp.

updateClipPoly()

void RootNode::updateClipPoly

(

)

triangulates and sets new clipping polygon provided by Projection system

Definition at line 190 of file rootnode.cpp.

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

• rootnode.h
• rootnode.cpp