An abstract bas class for drawing primitives. More...

#include <drawables.h>

Inheritance diagram for DrawableObj:

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Collaboration diagram for DrawableObj:

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Public Member Functions
virtual bool	isOverlay () const
	Is this an overlay? By default, no. More...

	DrawableObj ()
	Constructor. More...

virtual unsigned int	getType () const =0

virtual DrawableObj *	clone () const

virtual bool	needsDepthSorting () const
	Do we need to do element based depth sorting? More...

virtual bool	isExplodable () const
	Can we break this object down into constituent elements? More...

virtual void	explode (std::vector< DrawableObj *> &simpleObjects)
	Break object down into simple elements. More...

virtual bool	hasChanged () const

void	setActive (bool active)
	Set the active state of the object. More...

virtual void	draw () const =0
	Pure virtual function - draw the object. More...

void	setInteract (bool canAct)
	Set if user can interact with object, needed for opengl hit testing. More...

virtual void	getBoundingBox (BoundCube &b) const =0

virtual	~DrawableObj ()
	Drawable destructor. More...

virtual void	recomputeParams (const std::vector< Point3D > &vecs, const std::vector< float > &scalars, unsigned int mode)
	If we offer any kind of external pointer interface; use this to do a recomputation as needed. This is needed for selection binding behaviour. More...

virtual Point3D	getCentroid () const
	Get the centre of the object. Only valid if object is simple. More...

Static Public Member Functions
static void	setUseAlphaBlending (bool willBlend)

static void	setCurCamera (const Camera *c)
	Set the current camera. More...

static void	setTexPool (TexturePool *t)
	Set the current camera. More...

static void	clearTexPool ()

static void	setWindowSize (unsigned int x, unsigned int y)

static void	setBackgroundColour (float r, float g, float b)

Public Attributes
bool	canSelect
	Can be selected from openGL viewport interactively? More...

bool	wantsLight
	Wants lighting calculations active during render? More...

Static Protected Member Functions
static float	getHighContrastValue ()

Protected Attributes
bool	active
	Is the drawable active? More...

bool	haveChanged
	Is the object changed since last set? More...

Static Protected Attributes
static const Camera *	curCamera = 0
	Pointer to current scene camera. More...

static float	backgroundR

static float	backgroundG

static float	backgroundB

static TexturePool *	texPool =0

static bool	useAlphaBlend

static unsigned int	winX

static unsigned int	winY

Detailed Description

An abstract bas class for drawing primitives.

Constructor & Destructor Documentation

◆ DrawableObj()

DrawableObj::DrawableObj ( )

Constructor.

◆ ~DrawableObj()

DrawableObj::~DrawableObj ( )

virtual

Drawable destructor.

Member Function Documentation

◆ clearTexPool()

void DrawableObj::clearTexPool ( )

static

References ASSERT, and texPool.

Referenced by Scene::~Scene().

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◆ clone()

virtual DrawableObj* DrawableObj::clone ( ) const

inlinevirtual

Reimplemented in Draw2DCircle, DrawAxis, DrawPointLegendOverlay, DrawColourBarOverlay, DrawRectPrism, DrawSphere, DrawPolygon, DrawQuad, DrawTriangle, DrawVector, DrawManyPoints, and DrawPoint.

References ASSERT.

◆ draw()

virtual void DrawableObj::draw ( ) const

pure virtual

Pure virtual function - draw the object.

Implemented in Draw2DCircle, DrawAxis, DrawIsoSurface, DrawField3D, DrawPointLegendOverlay, DrawProgressCircleOverlay, DrawAnimatedOverlay, DrawTexturedQuadOverlay, DrawColourBarOverlay, DrawRectPrism, DrawGLText, DrawDispList, DrawCylinder, DrawSphere, DrawTriangleMesh, DrawPolygon, DrawTexturedQuad, DrawQuad, DrawTriangle, DrawVector, DrawManyPoints, and DrawPoint.

Referenced by DrawDispList::addDrawable().

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◆ explode()

void DrawableObj::explode ( std::vector< DrawableObj *> & simpleObjects )

virtual

Break object down into simple elements.

References ASSERT, and isExplodable().

◆ getBoundingBox()

virtual void DrawableObj::getBoundingBox ( BoundCube & b ) const

pure virtual

Implemented in Draw2DCircle, DrawAxis, DrawIsoSurface, DrawField3D, DrawableOverlay, DrawRectPrism, DrawGLText, DrawDispList, DrawCylinder, DrawSphere, DrawTriangleMesh, DrawPolygon, DrawQuad, DrawTriangle, DrawVector, DrawManyPoints, and DrawPoint.

Referenced by Scene::addDrawable(), DrawDispList::addDrawable(), Scene::addRefDrawable(), and BoundingBoxFilter::getRefreshUseMask().

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◆ getCentroid()

Point3D DrawableObj::getCentroid ( ) const

virtual

Get the centre of the object. Only valid if object is simple.

Reimplemented in DrawPoint.

References ASSERT, and isExplodable().

◆ getHighContrastValue()

float DrawableObj::getHighContrastValue ( )

staticprotected

References backgroundB, backgroundG, and backgroundR.

Referenced by DrawColourBarOverlay::draw(), DrawProgressCircleOverlay::draw(), and DrawPointLegendOverlay::draw().

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◆ getType()

virtual unsigned int DrawableObj::getType ( ) const

pure virtual

Implemented in Draw2DCircle, DrawAxis, DrawIsoSurface, DrawField3D, DrawPointLegendOverlay, DrawProgressCircleOverlay, DrawAnimatedOverlay, DrawTexturedQuadOverlay, DrawColourBarOverlay, DrawRectPrism, DrawGLText, DrawDispList, DrawCylinder, DrawSphere, DrawTriangleMesh, DrawPolygon, DrawQuad, DrawTriangle, DrawVector, DrawManyPoints, and DrawPoint.

Referenced by BoundingBoxFilter::getRefreshUseMask().

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◆ hasChanged()

virtual bool DrawableObj::hasChanged ( ) const

inlinevirtual

◆ isExplodable()

virtual bool DrawableObj::isExplodable ( ) const

inlinevirtual

Can we break this object down into constituent elements?

Referenced by explode(), and getCentroid().

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◆ isOverlay()

virtual bool DrawableObj::isOverlay ( ) const

inlinevirtual

Is this an overlay? By default, no.

Reimplemented in DrawableOverlay.

◆ needsDepthSorting()

virtual bool DrawableObj::needsDepthSorting ( ) const

inlinevirtual

Do we need to do element based depth sorting?

Reimplemented in DrawIsoSurface, and DrawCylinder.

◆ recomputeParams()

virtual void DrawableObj::recomputeParams	(	const std::vector< Point3D > &	vecs,
		const std::vector< float > &	scalars,
		unsigned int	mode
	)

inlinevirtual

If we offer any kind of external pointer interface; use this to do a recomputation as needed. This is needed for selection binding behaviour.

Reimplemented in DrawRectPrism, DrawGLText, DrawCylinder, DrawSphere, DrawTriangleMesh, DrawQuad, and DrawVector.

◆ setActive()

void DrawableObj::setActive ( bool active )

Set the active state of the object.

◆ setBackgroundColour()

static void DrawableObj::setBackgroundColour	(	float	r,
		float	g,
		float	b
	)

inlinestatic

Referenced by Scene::draw().

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◆ setCurCamera()

static void DrawableObj::setCurCamera ( const Camera * c )

inlinestatic

Set the current camera.

Referenced by Scene::draw().

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◆ setInteract()

void DrawableObj::setInteract ( bool canAct )

inline

Set if user can interact with object, needed for opengl hit testing.

◆ setTexPool()

void DrawableObj::setTexPool ( TexturePool * t )

static

Set the current camera.

References texPool.

Referenced by Scene::Scene().

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◆ setUseAlphaBlending()

static void DrawableObj::setUseAlphaBlending ( bool willBlend )

inlinestatic

Referenced by Scene::~Scene().

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◆ setWindowSize()

static void DrawableObj::setWindowSize	(	unsigned int	x,
		unsigned int	y
	)

inlinestatic

Referenced by Scene::draw().

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Member Data Documentation

◆ active

bool DrawableObj::active

protected

Is the drawable active?

Referenced by DrawRectPrism::draw().

◆ backgroundB

float DrawableObj::backgroundB

staticprotected

Referenced by getHighContrastValue().

◆ backgroundG

float DrawableObj::backgroundG

staticprotected

Referenced by getHighContrastValue().

◆ backgroundR

float DrawableObj::backgroundR

staticprotected

Referenced by getHighContrastValue().

◆ canSelect

bool DrawableObj::canSelect

Can be selected from openGL viewport interactively?

Referenced by DrawDispList::draw(), TransformFilter::numBytesForCache(), IonClipFilter::refresh(), AnnotateFilter::refresh(), ProfileFilter::refresh(), and VoxeliseFilter::refresh().

◆ curCamera

const Camera * DrawableObj::curCamera = 0

staticprotected

Pointer to current scene camera.

Referenced by DrawGLText::draw(), DrawField3D::draw(), and DrawIsoSurface::draw().

◆ haveChanged

bool DrawableObj::haveChanged

protected

Is the object changed since last set?

◆ texPool

TexturePool * DrawableObj::texPool =0

staticprotected

Referenced by clearTexPool(), DrawTexturedQuad::rebindTexture(), setTexPool(), DrawTexturedQuadOverlay::setTexture(), DrawAnimatedOverlay::setTexture(), DrawTexturedQuad::~DrawTexturedQuad(), and DrawTexturedQuadOverlay::~DrawTexturedQuadOverlay().

◆ useAlphaBlend

bool DrawableObj::useAlphaBlend

staticprotected

Referenced by DrawField3D::draw(), and DrawIsoSurface::draw().

◆ wantsLight

bool DrawableObj::wantsLight

Wants lighting calculations active during render?

Referenced by DrawManyPoints::DrawManyPoints(), TransformFilter::numBytesForCache(), BoundingBoxFilter::numBytesForCache(), IonClipFilter::refresh(), AnnotateFilter::refresh(), ProfileFilter::refresh(), VoxeliseFilter::refresh(), and VisController::updateScene().

◆ winX

unsigned int DrawableObj::winX

staticprotected

Referenced by DrawTexturedQuadOverlay::draw(), DrawAnimatedOverlay::draw(), DrawProgressCircleOverlay::draw(), and DrawPointLegendOverlay::draw().

◆ winY

unsigned int DrawableObj::winY

staticprotected

Referenced by DrawTexturedQuadOverlay::draw(), DrawAnimatedOverlay::draw(), DrawProgressCircleOverlay::draw(), and DrawPointLegendOverlay::draw().

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

Public Member Functions

Static Public Member Functions

Public Attributes

Static Protected Member Functions

Protected Attributes

Static Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ DrawableObj()

◆ ~DrawableObj()

Member Function Documentation

◆ clearTexPool()

◆ clone()

◆ draw()

◆ explode()

◆ getBoundingBox()

◆ getCentroid()

◆ getHighContrastValue()

◆ getType()

◆ hasChanged()

◆ isExplodable()

◆ isOverlay()

◆ needsDepthSorting()

◆ recomputeParams()

◆ setActive()

◆ setBackgroundColour()

◆ setCurCamera()

◆ setInteract()

◆ setTexPool()

◆ setUseAlphaBlending()

◆ setWindowSize()

Member Data Documentation

◆ active

◆ backgroundB

◆ backgroundG

◆ backgroundR

◆ canSelect

◆ curCamera

◆ haveChanged

◆ texPool

◆ useAlphaBlend

◆ wantsLight

◆ winX

◆ winY