Eaagles::BasicGL::LcGraphic Class Reference

Inherits Eaagles::Basic::LcComponent.

Inherited by Eaagles::BasicGL::LcField, Eaagles::BasicGL::LcPage, Eaagles::BasicGL::LcPolygon, Eaagles::BasicGL::Rotators, Eaagles::BasicGL::Translator, Eaagles::Instruments::CompassRose, Eaagles::Instruments::Instrument, and Eaagles::Instruments::LcButton.

Inheritance diagram for Eaagles::BasicGL::LcGraphic:

[legend]Collaboration diagram for Eaagles::BasicGL::LcGraphic:

[legend]List of all members.


Public Member Functions
	LcGraphic ()
LcDisplay *	getDisplay ()
virtual void	draw ()
virtual void	drawFunc ()
const osg::Vec3 *	getVertices () const
unsigned int	getNumberOfVertices () const
bool	setVertices (const osg::Vec3 *const v, const unsigned int n)
const osg::Vec2 *	getTextureCoord () const
unsigned int	getNumberOfTextureCoords () const
bool	setTextureCoord (const osg::Vec2 *const v, const unsigned int n)
const osg::Vec3 *	getNormals () const
unsigned int	getNumberOfNormals () const
bool	setNormals (const osg::Vec3 *const v, const unsigned int n)
bool	isVisible () const
bool	setVisibility (const bool v)
GLfloat	getLineWidth () const
bool	setLineWidth (const GLfloat v)
Basic::LcColor *	getColor ()
const Basic::LcColor *	getColor () const
const Basic::LcIdent *	getColorName () const
virtual bool	setColor (const Basic::LcColor *const msg)
virtual bool	setColor (const Basic::LcIdent *const msg)
bool	flashOn () const
bool	flashOff () const
bool	isFlashing () const
LCreal	getFlashRate () const
bool	setFlashRate (const LCreal r)
GLuint	getDisplayList () const
bool	isDisplayListEnabled () const
bool	isDisplayListDisabled () const
bool	setDisplayList (const GLuint v)
bool	setDisableDisplayList (const bool flg)
bool	matrixIsActive ()
const osg::Matrix &	getMatrix () const
void	lcRotate (const LCreal a)
void	lcRotate (const LCreal x, const LCreal y, const LCreal z, const LCreal a)
void	lcTranslate (const LCreal x, const LCreal y)
void	lcTranslate (const LCreal x, const LCreal y, const LCreal z)
void	lcScale (const LCreal s)
void	lcScale (const LCreal sx, const LCreal sy)
void	lcColor (Basic::LcColor *)
void	lcSaveMatrix ()
void	lcRestoreMatrix ()
bool	hasTexture () const
GLuint	getTexture () const
bool	setTextureName (const char *newName)
GLfloat	getStdLineWidth ()
bool	haveScissorBoxHave () const
LCreal	getScissorX () const
LCreal	getScissorWidth () const
LCreal	getScissorY () const
LCreal	getScissorHeight () const
bool	setScissorX (const LCreal newX)
bool	setScissorWidth (const LCreal newWidth)
bool	setScissorY (const LCreal newY)
bool	setScissorHeight (const LCreal newHeight)
bool	isStippling ()
bool	setStippling (const bool x)
GLuint	getSelectName () const
bool	setSelectName (const GLuint v)
virtual Basic::LcPair *	findBySelectName (const GLuint name)
bool	isPostDrawComponents () const
virtual bool	cursor (int ln, int cp) const
virtual bool	event (const int event, LcObject *const obj=0)
Static Public Member Functions
static LCreal	flashTimer ()
static LCreal	flashTimer (const LCreal dt)
static GLuint	getNewSelectName ()
static bool	clipLine2D (osg::Vec2 ep1, osg::Vec2 ep2, const LCreal minX, const LCreal maxX, const LCreal minY, const LCreal maxY)
static void	lcVertex2v (const LCreal *v)
static void	lcVertex3v (const LCreal *v)
static void	lcColor3v (const LCreal *v)
static void	lcColor4v (const LCreal *v)
static void	lcMultMatrix (const LCreal *m)
Protected Member Functions
virtual bool	onSetLineWidthEvent (const Basic::LcNumber *const msg)
virtual bool	onSetFlashRateEvent (const Basic::LcNumber *const msg)
virtual bool	onSetVisibilityEvent (const Basic::LcNumber *const msg)
virtual bool	setSlotFlashRate (const Basic::LcNumber *const msg)
virtual bool	setSlotLineWidth (const Basic::LcNumber *const msg)
virtual bool	setSlotSelectName (const Basic::LcNumber *const msg)
virtual bool	setSlotTransformList (Basic::LcPairStream *msg)
virtual bool	setSlotSingleTransform (Basic::LcTransform *const msg)
virtual bool	setSlotNoDisplayList (const Basic::LcNumber *const msg)
virtual bool	setSlotSubcomponentsFirst (const Basic::LcNumber *const msg)
virtual bool	setSlotVertices (const Basic::LcPairStream *const msg)
virtual bool	setSlotNormals (const Basic::LcPairStream *const msg)
virtual bool	setSlotTexCoord (const Basic::LcPairStream *const msg)
virtual bool	setSlotTextureName (Basic::LcIdent *msg)
virtual bool	setSlotScissorX (const Basic::LcNumber *const msg)
virtual bool	setSlotScissorY (const Basic::LcNumber *const msg)
virtual bool	setSlotScissorWidth (const Basic::LcNumber *const msg)
virtual bool	setSlotScissorHeight (const Basic::LcNumber *const msg)
virtual bool	setSlotStippling (const Basic::LcNumber *const msg)
virtual Basic::LcPairStream *	processComponents (Basic::LcPairStream const list, const std::type_info &filter, Basic::LcPair const add=0, Basic::LcComponent *const remove=0)
Private Member Functions
void	setupMatrix ()
Private Attributes
Basic::LcPairStream *	transforms
osg::Matrix	m
osg::Matrix	m1
bool	haveMatrix
bool	haveMatrix1
bool	postDraw
GLuint	texture
SPtr< Basic::LcIdent >	texName
bool	visible
GLfloat	linewidth
GLuint	selName
LCreal	fRate
Basic::LcColor *	color
Basic::LcIdent *	colorName
osg::Vec3 *	vertices
unsigned int	nv
osg::Vec2 *	texCoord
unsigned int	ntc
osg::Vec3 *	norms
unsigned int	nn
BasicGL::LcDisplay *	displayPtr
GLuint	dlist
bool	noDisplayList
LCreal	scissorX
LCreal	scissorY
LCreal	scissorWidth
LCreal	scissorHeight
bool	stipple
Static Private Attributes
static LCreal	fTimer
static GLuint	autoSelName
Classes
class	LcExpInvalidDisplayPtr

Detailed Description

Base class for the graphic objects.  Provides list of vertices,
                 transformation matrix, color, linewidth, etc.
                 NOTE: LcGraphic objects REQUIRE a LcDisplay class to function.

    Form name: Graphic
    Slots:
       1. color             (Color)        Color
       1. color             (Ident)        Color by name
       2. linewidth         (Number)       Linewidth
       3. flashRate         (Number)       Flash rate
       4. transform         (PairStream)   List of coordinate transformations
       4. transform         (Transform)    Single coorinate transformation
       5. vertices          (PairStream)   List of 3D Coordinates (World coord)
       6. texCoord          (PairStream)   List of 2D Texture Coordinates
       7. noDisplayList     (Number)       Flag: True to disable display list
                                              (default false)
       8. subcomponentsFirst (Number)      Flag: Draw component graphics first
                                              (default: draw own graphics first)
       9. selectName        (Number)       GL Select Buffer name
                                              (see glPushName())  (unsigned integer)
      10. texture           (Ident)        Texture name
      11. scissorX          (Number)       Left edge of the scissor box (World coord)
      12. scissorY          (Number)       Bottom edge of the scissor box (World coord)
      13. scissorWidth      (Number)       How far over do we scissor (World coord)
      14. scissorHeight     (Number)       How far up do we scissor (World coord)

    Events:
       SET_COLOR         (Color)        Sets color
       SET_COLOR         (Ident)        Sets color by name
       SET_LINEWIDTH     (LcNumber)     Sets line width
       SET_FLASHRATE     (LcNumber)     Sets flash rate
       SET_VISIBILITY    (LcNumber)     Sets visibility flag

Constructor & Destructor Documentation

Eaagles::BasicGL::LcGraphic::LcGraphic ( )

Constructor. Initializes pointer to LcDisplay object to 0, sets the visibility of object to true, sets the color, texture, flash rate, vertices, texture co-ordinates, scissor parameters, transforms and default display to 0.

Member Function Documentation

LcDisplay * Eaagles::BasicGL::LcGraphic::getDisplay ( )

Returns a pointer to the display.

void Eaagles::BasicGL::LcGraphic::draw ( ) [virtual]

Draws the object and its components with the defined attributes (e.g., color, line width, transformation matrix).

Reimplemented in Eaagles::BasicGL::LcPage, Eaagles::BasicGL::Rotators, Eaagles::BasicGL::Translator, Eaagles::Instruments::LcRotarySwitch, Eaagles::Instruments::DialPointer, Eaagles::Instruments::GaugeSlider, Eaagles::Instruments::BearingPointer, Eaagles::Instruments::CompassRose, Eaagles::Instruments::PfdPage, and Eaagles::Instruments::SymbolLoader.

void Eaagles::BasicGL::LcGraphic::drawFunc ( ) [virtual]

User function to draw the object - this does the actual OpenGL drawing.

const osg::Vec3* Eaagles::BasicGL::LcGraphic::getVertices ( ) const [inline]

Returns the vertices.

unsigned int Eaagles::BasicGL::LcGraphic::getNumberOfVertices ( ) const [inline]

Returns the number of vertices.

bool Eaagles::BasicGL::LcGraphic::setVertices	(	const osg::Vec3 *const	v,
		const unsigned int	n
	)

Sets the vertices list.

const osg::Vec2* Eaagles::BasicGL::LcGraphic::getTextureCoord ( ) const [inline]

Texture Coordinates (at vertices).

unsigned int Eaagles::BasicGL::LcGraphic::getNumberOfTextureCoords ( ) const [inline]

Number of texture coordinates.

bool Eaagles::BasicGL::LcGraphic::setTextureCoord	(	const osg::Vec2 *const	v,
		const unsigned int	n
	)

Sets the list of texture coordinates.

const osg::Vec3* Eaagles::BasicGL::LcGraphic::getNormals ( ) const [inline]

Normals (at vertices).

unsigned int Eaagles::BasicGL::LcGraphic::getNumberOfNormals ( ) const [inline]

Number of Normals.

bool Eaagles::BasicGL::LcGraphic::setNormals	(	const osg::Vec3 *const	v,
		const unsigned int	n
	)

Sets the list of normal vectors.

bool Eaagles::BasicGL::LcGraphic::isVisible ( ) const [inline]

Checks the visibility attribute.

bool Eaagles::BasicGL::LcGraphic::setVisibility ( const bool v )

Sets the visibility attribute.

GLfloat Eaagles::BasicGL::LcGraphic::getLineWidth ( ) const [inline]

Gets the line width attribute.

bool Eaagles::BasicGL::LcGraphic::setLineWidth ( const GLfloat v )

Sets the line width attribute.

Basic::LcColor* Eaagles::BasicGL::LcGraphic::getColor ( ) [inline]

Returns the object's color attribute.

const Basic::LcColor* Eaagles::BasicGL::LcGraphic::getColor ( ) const [inline]

Gets the object's color attribute.

const Basic::LcIdent* Eaagles::BasicGL::LcGraphic::getColorName ( ) const [inline]

Gets the object's color attribute. LcIdent provides a color attribute that can be used to lookup the LcColor from the color table.

bool Eaagles::BasicGL::LcGraphic::setColor ( const Basic::LcColor *const msg ) [virtual]

Sets the object's color attribute.

bool Eaagles::BasicGL::LcGraphic::setColor ( const Basic::LcIdent *const msg ) [virtual]

Sets the object's color attribute. LcIdent provides a color attribute that can be used to lookup the LcColor from the color table.

bool Eaagles::BasicGL::LcGraphic::flashOn ( ) const

Flash control flip/flop. Flash is ON during odd half cycles. Calculate the number of half cycles from start using the flash control timer.

bool Eaagles::BasicGL::LcGraphic::flashOff ( ) const

Returns true if the flash control is OFF.

bool Eaagles::BasicGL::LcGraphic::isFlashing ( ) const [inline]

Returns true if the flash rate is greater than 0.0.

LCreal Eaagles::BasicGL::LcGraphic::getFlashRate ( ) const [inline]

Gets the flash rate attribute.

bool Eaagles::BasicGL::LcGraphic::setFlashRate ( const LCreal r )

Sets the flash rate attribute.

LCreal Eaagles::BasicGL::LcGraphic::flashTimer ( ) [static]

Returns the flash timer.

LCreal Eaagles::BasicGL::LcGraphic::flashTimer ( const LCreal dt ) [static]

Function to update the flash timer.

GLuint Eaagles::BasicGL::LcGraphic::getDisplayList ( ) const [inline]

Returns the display list.

bool Eaagles::BasicGL::LcGraphic::isDisplayListEnabled ( ) const [inline]

Returns true if the display list is enabled.

bool Eaagles::BasicGL::LcGraphic::isDisplayListDisabled ( ) const [inline]

Returns true if the display list is not enabled.

bool Eaagles::BasicGL::LcGraphic::setDisplayList ( const GLuint v )

Sets the display list to v and returns true.

bool Eaagles::BasicGL::LcGraphic::setDisableDisplayList ( const bool flg )

Disables display list if flg is true and returns true.

bool Eaagles::BasicGL::LcGraphic::matrixIsActive ( ) [inline]

Returns true if the object has an active matrix.

const osg::Matrix& Eaagles::BasicGL::LcGraphic::getMatrix ( ) const [inline]

Returns the transformation matrix.

void Eaagles::BasicGL::LcGraphic::lcRotate ( const LCreal a ) [inline]

Rotate by 'a' radians about z axis.

void Eaagles::BasicGL::LcGraphic::lcRotate	(	const LCreal	x,
		const LCreal	y,
		const LCreal	z,
		const LCreal	a
	)			`[inline]`

Rotate by 'a' radians about the (x, y, z) vector.

void Eaagles::BasicGL::LcGraphic::lcTranslate	(	const LCreal	x,
		const LCreal	y
	)			`[inline]`

Translate x and y.

void Eaagles::BasicGL::LcGraphic::lcTranslate	(	const LCreal	x,
		const LCreal	y,
		const LCreal	z
	)			`[inline]`

Translate x, y and z.

void Eaagles::BasicGL::LcGraphic::lcScale ( const LCreal s ) [inline]

Scale by s.

void Eaagles::BasicGL::LcGraphic::lcScale	(	const LCreal	sx,
		const LCreal	sy
	)			`[inline]`

Scale by sx, sy.

void Eaagles::BasicGL::LcGraphic::lcColor ( Basic::LcColor * ) [inline]

Sets the color attribute.

void Eaagles::BasicGL::LcGraphic::lcSaveMatrix ( ) [inline]

Saves the transformation matrix.

void Eaagles::BasicGL::LcGraphic::lcRestoreMatrix ( ) [inline]

Restores the matrix.

bool Eaagles::BasicGL::LcGraphic::hasTexture ( ) const [inline]

Returns true if a texture is present.

GLuint Eaagles::BasicGL::LcGraphic::getTexture ( ) const [inline]

Returns the texture.

bool Eaagles::BasicGL::LcGraphic::setTextureName ( const char * newName )

Sets the name of the texture on the fly.

GLfloat Eaagles::BasicGL::LcGraphic::getStdLineWidth ( )

Returns the standard line width.

bool Eaagles::BasicGL::LcGraphic::haveScissorBoxHave ( ) const [inline]

Returns true if the scissor box has a height and width both greater than 0.

LCreal Eaagles::BasicGL::LcGraphic::getScissorX ( ) const [inline]

Returns scissor x value.

LCreal Eaagles::BasicGL::LcGraphic::getScissorWidth ( ) const [inline]

Returns scissor width.

LCreal Eaagles::BasicGL::LcGraphic::getScissorY ( ) const [inline]

Returns scissor y value.

LCreal Eaagles::BasicGL::LcGraphic::getScissorHeight ( ) const [inline]

Returns the scissor height.

bool Eaagles::BasicGL::LcGraphic::setScissorX ( const LCreal newX )

Sets the scissor x value.

bool Eaagles::BasicGL::LcGraphic::setScissorWidth ( const LCreal newWidth )

Sets the scissor width.

bool Eaagles::BasicGL::LcGraphic::setScissorY ( const LCreal newY )

Sets the scissor y value.

bool Eaagles::BasicGL::LcGraphic::setScissorHeight ( const LCreal newHeight )

Sets the scissor height.

bool Eaagles::BasicGL::LcGraphic::isStippling ( ) [inline]

Returns the value of stipple flag.

bool Eaagles::BasicGL::LcGraphic::setStippling ( const bool x )

Sets the value of stipple flag.

GLuint Eaagles::BasicGL::LcGraphic::getSelectName ( ) const [inline]

Gets the GL SELECT name returns true. Refer to glPushName().

bool Eaagles::BasicGL::LcGraphic::setSelectName ( const GLuint v )

Sets the GL SELECT name returns true. Refer to glPushName().

Basic::LcPair * Eaagles::BasicGL::LcGraphic::findBySelectName ( const GLuint name ) [virtual]

Finds (and returns) a component by its GL Select (pick) name. (Children first, then grandchildren.).

Reimplemented in Eaagles::BasicGL::LcPage.

bool Eaagles::BasicGL::LcGraphic::isPostDrawComponents ( ) const [inline]

Returns the value of the flag for post draw (child) graphic.

bool Eaagles::BasicGL::LcGraphic::cursor	(	int *	ln,
		int *	cp
	)			const `[virtual]`

Sets the cursor at (ln, cp) - line, column.

Reimplemented in Eaagles::BasicGL::LcField.

GLuint Eaagles::BasicGL::LcGraphic::getNewSelectName ( ) [inline, static]

Returns new select name.

bool Eaagles::BasicGL::LcGraphic::clipLine2D	(	osg::Vec2 *	ep1,
		osg::Vec2 *	ep2,
		const LCreal	minX,
		const LCreal	maxX,
		const LCreal	minY,
		const LCreal	maxY
	)			`[static]`

General purpose 2D line clipping function. Clips the line defined by two endpoints (ep1 and ep2) against a 2D clip box. Returns true if all or part of the original line is within the clip box. Returns false if the original line is outside of the clip box, and therefore the endpoints are not changed. The parameters minX and minY are the clip box minimum values for X and Y; maxX, maxY are the clip box maximum values for X and Y respectively.

static void Eaagles::BasicGL::LcGraphic::lcVertex2v ( const LCreal * v ) [inline, static]

Functions for native LCreal resolutions.

static void Eaagles::BasicGL::LcGraphic::lcVertex3v ( const LCreal * v ) [inline, static]

static void Eaagles::BasicGL::LcGraphic::lcColor3v ( const LCreal * v ) [inline, static]

static void Eaagles::BasicGL::LcGraphic::lcColor4v ( const LCreal * v ) [inline, static]

static void Eaagles::BasicGL::LcGraphic::lcMultMatrix ( const LCreal * m ) [inline, static]

virtual bool Eaagles::BasicGL::LcGraphic::event	(	const int	event,
		LcObject *const	obj = `0`
	)			`[virtual]`

Event function for the LcComponent interface.

Reimplemented in Eaagles::BasicGL::LcDisplay, Eaagles::BasicGL::LcField, Eaagles::BasicGL::LcPage, and Eaagles::BasicGL::Translator.

bool Eaagles::BasicGL::LcGraphic::onSetLineWidthEvent ( const Basic::LcNumber *const msg ) [protected, virtual]

Event handler for the SET_LINEWIDTH event.

bool Eaagles::BasicGL::LcGraphic::onSetFlashRateEvent ( const Basic::LcNumber *const msg ) [protected, virtual]

Event handler for the SET_FLASHRATE event.

bool Eaagles::BasicGL::LcGraphic::onSetVisibilityEvent ( const Basic::LcNumber *const msg ) [protected, virtual]

Event handler for the SET_VISIBILITY event.

bool Eaagles::BasicGL::LcGraphic::setSlotFlashRate ( const Basic::LcNumber *const msg ) [protected, virtual]

Sets the flash rate in the slot table.

bool Eaagles::BasicGL::LcGraphic::setSlotLineWidth ( const Basic::LcNumber *const msg ) [protected, virtual]

Sets the line width in slot table.

bool Eaagles::BasicGL::LcGraphic::setSlotSelectName ( const Basic::LcNumber *const msg ) [protected, virtual]

Sets the select name in the slot table.

bool Eaagles::BasicGL::LcGraphic::setSlotTransformList ( Basic::LcPairStream * msg ) [protected, virtual]

Sets the transformation list in the slot table.

bool Eaagles::BasicGL::LcGraphic::setSlotSingleTransform ( Basic::LcTransform *const msg ) [protected, virtual]

Makes a list out of a single Basic::LcTransform.

bool Eaagles::BasicGL::LcGraphic::setSlotNoDisplayList ( const Basic::LcNumber *const msg ) [protected, virtual]

True to disable display list (default false).

bool Eaagles::BasicGL::LcGraphic::setSlotSubcomponentsFirst ( const Basic::LcNumber *const msg ) [protected, virtual]

Draw component graphics first (default: draw own graphics first).

bool Eaagles::BasicGL::LcGraphic::setSlotVertices ( const Basic::LcPairStream *const msg ) [protected, virtual]

Sets the vertices of a graphic object. Example vertices: { [ 1 2 3 ] [ 4 5 6 ] [ 7 8 9 ] }.

bool Eaagles::BasicGL::LcGraphic::setSlotNormals ( const Basic::LcPairStream *const msg ) [protected, virtual]

Sets the normals of the vertices of the graphic object. Example normals: { [ 1 2 3 ] [ 4 5 6 ] [ 7 8 9 ] }.

bool Eaagles::BasicGL::LcGraphic::setSlotTexCoord ( const Basic::LcPairStream *const msg ) [protected, virtual]

Sets the vertices of a graphic object. Example texCoord: { [ 1 2 ] [ 4 5 ] [ 7 8 ] }.

bool Eaagles::BasicGL::LcGraphic::setSlotTextureName ( Basic::LcIdent * msg ) [protected, virtual]

Sets the name of the texture.

bool Eaagles::BasicGL::LcGraphic::setSlotScissorX ( const Basic::LcNumber *const msg ) [protected, virtual]

Sets the x point for scissoring.

bool Eaagles::BasicGL::LcGraphic::setSlotScissorY ( const Basic::LcNumber *const msg ) [protected, virtual]

Sets the y point for scissoring.

bool Eaagles::BasicGL::LcGraphic::setSlotScissorWidth ( const Basic::LcNumber *const msg ) [protected, virtual]

Sets how far out we are going to scissor horizontally.

bool Eaagles::BasicGL::LcGraphic::setSlotScissorHeight ( const Basic::LcNumber *const msg ) [protected, virtual]

Sets how far out we are going to scissor vertically.

bool Eaagles::BasicGL::LcGraphic::setSlotStippling ( const Basic::LcNumber *const msg ) [protected, virtual]

Sets the stipple boolean value.

Basic::LcPairStream * Eaagles::BasicGL::LcGraphic::processComponents	(	Basic::LcPairStream *const	list,
		const std::type_info &	filter,
		Basic::LcPair *const	add = `0`,
		Basic::LcComponent *const	remove = `0`
	)			`[protected, virtual]`

Process the subcomponent list which should be other LcGraphics. The parameter list represents source list of components, filter represents type filter, add represents optional pair to add, remove represents optional subcomponent to remove.

Reimplemented from Eaagles::Basic::LcComponent.

void Eaagles::BasicGL::LcGraphic::setupMatrix ( ) [private]

setup the transformation matrix based on the list of transforms