vrvGraphics implementation of a 2D Line More...

Inheritance diagram for makVrv::DtOsgWindowLineInstance:

Classes
struct	SegmentAttributes
	Attributes describing one segment in a segmented line. More...
Public Member Functions
	DtOsgWindowLineInstance (DtDe &de)
	CTOR.
virtual	~DtOsgWindowLineInstance ()
	DTOR.
virtual void	setVertex (unsigned int vertex, double x, double y)
	Set (or add) the specified vertex at <x,y>
virtual void	removeVertex (unsigned int vertex)
	Remove the specified vertex.
virtual void	setColor (float r, float g, float b, float a)
	Set the entire line color.
virtual void	setStipplePattern (unsigned int stipplePattern)
	Set the entire line stipple pattern.
virtual void	setWidth (unsigned int width)
	Set the entire line width.
virtual void	setStyleSegments (const std::vector< double > &segmentPercentages)
	Set the percentage lengths of the segments; creates and removes segments as necessary.
virtual void	setSegmentColor (unsigned int index, float r, float g, float b, float a)
	Set the color of a segment.
virtual void	setSegmentStartColor (unsigned int index, float r, float g, float b, float a)
	Set the color of the firt vertex in a segment.
virtual void	setSegmentEndColor (unsigned int index, float r, float g, float b, float a)
	Set the color of the second vertex in a segment.
virtual void	setSegmentLightningStyle (unsigned int index, bool enableLightningStyle)
	Set a segment's lightning style (whether or not it looks like a lighting bolt)
virtual void	setSegmentStartArrow (unsigned int index, bool enableStartArrow)
	Turn on or off a segment's start arrow.
virtual void	setSegmentEndArrow (unsigned int index, bool enableEndArrow)
	Turn on or off a segment's end arrow.
virtual void	setSegmentStipplePattern (unsigned int index, unsigned int stipplePattern)
	Set the stipple pattern for a segment according to the OpenGL line stipple feature.
virtual void	setSegmentWidth (unsigned int index, unsigned int width)
	Set the width of a segment in pixels.
virtual void	setVisible (bool isVisible)
	Set the line visible or invisible.
virtual void	update ()
	Called on signal_postUpdate; time to update render data.
Protected Types
typedef std::vector < SegmentAttributes >	SegmentAttributesVector
typedef std::vector< osg::Vec2 >	Points
Protected Member Functions
virtual void	resizeSegmentAttributes (int size)
	Add segments to the segments attribute vector.
virtual void	createLineIfNecessary ()
	Creates the line model.
virtual void	updateSegments ()
	Updates the segment information.
virtual void	updateGeometry ()
	Updates the lines geometry.
virtual void	generateSegment (int segmentIndex, const osg::Vec2 &startPoint, const osg::Vec2 &endPoint, const osg::Vec2 &segmentAxis, const osg::Vec2 &segmentPerpendicular)
	Generate vertices for a single segment.
virtual void	setupColorRanges (SegmentAttributes *segmentAttributes)
	Determine the sub-segment range for each segment color specified.
virtual void	setLineSegmentColors (unsigned int vtx, SegmentAttributes *segmentAttributes)
	Sets the point colors for the line segments based on the features and colors provided in segmentAttributes.
Protected Attributes
DtDe &	myDe
Points	myPoints
Points	myVertices
SegmentAttributesVector	mySegmentAttributes
DtSegmentedLine *	myLine
bool	myVisible
osg::Vec4	myColor
float	myWidth
unsigned int	myStipplePattern
std::vector< double >	mySegmentPercentages
bool	myGeometryDirty
bool	mySegmentsDirty

Detailed Description

vrvGraphics implementation of a 2D Line

Member Typedef Documentation

typedef std::vector<SegmentAttributes> makVrv::DtOsgWindowLineInstance::SegmentAttributesVector [protected]

typedef std::vector<osg::Vec2> makVrv::DtOsgWindowLineInstance::Points [protected]

Constructor & Destructor Documentation

makVrv::DtOsgWindowLineInstance::DtOsgWindowLineInstance ( DtDe & de )

CTOR.

virtual makVrv::DtOsgWindowLineInstance::~DtOsgWindowLineInstance ( ) [virtual]

DTOR.

Member Function Documentation

virtual void makVrv::DtOsgWindowLineInstance::setVertex	(	unsigned int	vertex,
		double	x,
		double	y
	)		`[virtual]`

Set (or add) the specified vertex at <x,y>

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::removeVertex ( unsigned int vertex ) [virtual]

Remove the specified vertex.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setColor	(	float	r,
		float	g,
		float	b,
		float	a
	)		`[virtual]`

Set the entire line color.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setStipplePattern ( unsigned int stipplePattern ) [virtual]

Set the entire line stipple pattern.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setWidth ( unsigned int width ) [virtual]

Set the entire line width.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setStyleSegments ( const std::vector< double > & segmentPercentages ) [virtual]

Set the percentage lengths of the segments; creates and removes segments as necessary.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setSegmentColor	(	unsigned int	index,
		float	r,
		float	g,
		float	b,
		float	a
	)		`[virtual]`

Set the color of a segment.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setSegmentStartColor	(	unsigned int	index,
		float	r,
		float	g,
		float	b,
		float	a
	)		`[virtual]`

Set the color of the firt vertex in a segment.

This can be used for color blending between vertices.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setSegmentEndColor	(	unsigned int	index,
		float	r,
		float	g,
		float	b,
		float	a
	)		`[virtual]`

Set the color of the second vertex in a segment.

This can be used for color blending between vertices.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setSegmentLightningStyle	(	unsigned int	index,
		bool	enableLightningStyle
	)		`[virtual]`

Set a segment's lightning style (whether or not it looks like a lighting bolt)

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setSegmentStartArrow	(	unsigned int	index,
		bool	enableStartArrow
	)		`[virtual]`

Turn on or off a segment's start arrow.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setSegmentEndArrow	(	unsigned int	index,
		bool	enableEndArrow
	)		`[virtual]`

Turn on or off a segment's end arrow.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setSegmentStipplePattern	(	unsigned int	index,
		unsigned int	stipplePattern
	)		`[virtual]`

Set the stipple pattern for a segment according to the OpenGL line stipple feature.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setSegmentWidth	(	unsigned int	index,
		unsigned int	width
	)		`[virtual]`

Set the width of a segment in pixels.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::setVisible ( bool isVisible ) [virtual]

Set the line visible or invisible.

Implements makVrv::DtSetVisibilityInterface.

virtual void makVrv::DtOsgWindowLineInstance::update ( ) [virtual]

Called on signal_postUpdate; time to update render data.

Implements makVrv::DtWindowLineInstance.

virtual void makVrv::DtOsgWindowLineInstance::resizeSegmentAttributes ( int size ) [protected, virtual]

Add segments to the segments attribute vector.

virtual void makVrv::DtOsgWindowLineInstance::createLineIfNecessary ( ) [protected, virtual]

Creates the line model.

virtual void makVrv::DtOsgWindowLineInstance::updateSegments ( ) [protected, virtual]

Updates the segment information.

virtual void makVrv::DtOsgWindowLineInstance::updateGeometry ( ) [protected, virtual]

Updates the lines geometry.

virtual void makVrv::DtOsgWindowLineInstance::generateSegment	(	int	segmentIndex,
		const osg::Vec2 &	startPoint,
		const osg::Vec2 &	endPoint,
		const osg::Vec2 &	segmentAxis,
		const osg::Vec2 &	segmentPerpendicular
	)		`[protected, virtual]`