GLC_Viewport Class Reference

#include <glc_viewport.h>

Public Member Functions
Constructor / Destructor

	GLC_Viewport (QGLWidget *GLWidget)
	Default constructor.
virtual	~GLC_Viewport ()
	Delete Camera, Image Plane and orbit circle.
Get Functions

GLC_Camera *	cameraHandle () const
	Return the camera associate to this viewport.
int	viewHSize () const
	Get this viewport Horizontal size.
int	viewVSize () const
	Get this viewport Vertical size.
double	aspectRatio () const
	Get this viewport ratio.
GLC_Vector3d	mapPosMouse (GLdouble Posx, GLdouble Posy) const
	Map Screen position to OpenGL position (On image Plane) according to this viewport.
double	viewAngle () const
	Get this viewport's camera's angle of view.
double	viewTangent () const
	Get this viewport's camera's tangent value of view.
double	nearClippingPlaneDist (void) const
	Get this viewport near clipping plane distance.
double	farClippingPlaneDist (void) const
	Get this viewport far clipping plane distance.
QColor	backgroundColor (void) const
	Get this viewportbackground Color.
GLsizei	selectionSquareSize () const
	Return the selection square size of this viewport.
GLC_Matrix4x4	projectionMatrix () const
	Return this viewport's the projection matrix.
GLC_Matrix4x4	compositionMatrix () const
	Return the composition matrix between projection matrix and view matrix.
GLC_3DViewCollection *	widget3dCollectionHandle ()
	Return an handle to the widget 3D collection.
bool	useOrtho () const
	Return true if this viewport use orthographic projection.
Set Functions

void	setWinGLSize (int HSize, int VSize)
	Inform the viewport that the OpenGL window size has been modified.
GLC_uint	renderAndSelect (int x, int y)
	Call the attached QGLWidgetSelect updateGL function and return the picking id.
GLC_uint	selectOnPreviousRender (int x, int y)
	Return the picking id from the already render window.
GLC_uint	selectBody (GLC_3DViewInstance *, int x, int y)
	Select a body inside a 3DViewInstance and return its UID.
QPair< int, GLC_uint >	selectPrimitive (GLC_3DViewInstance *, int x, int y)
	Select a primitive inside a 3DViewInstance and return its UID and its body index.
QSet< GLC_uint >	selectInsideSquare (int x1, int y1, int x2, int y2)
	Select objects inside specified square and return its UID in a set.
void	loadBackGroundImage (const QString &imageFile)
	load background image from file in this viewport
void	loadBackGroundImage (const QImage &image)
	load background image in this viewport
void	deleteBackGroundImage ()
	delete background image of this viewport
void	setViewAngle (double TargetFov)
	Set Camera's angle of view of this viewport.
bool	setDistMin (double DistMin)
	Set near clipping distance of this viewport.
bool	setDistMax (double DistMax)
	Set far clipping distance of this viewport.
void	setDistMinAndMax (const GLC_BoundingBox &bBox)
	Set Near and Far clipping distance of this viewport.
void	setBackgroundColor (QColor setColor)
	Set the Background color of this viewport.
void	setSelectionSquareSize (GLsizei size)
	Set the selection square size of this viewport.
bool	updateFrustum (GLC_Matrix4x4 *pMat=NULL)
	Update this viewport frustum (frustum cullin purpose).
void	addClipPlane (GLenum planeGlEnum, GLC_Plane *pPlane)
	Add a clipping plane to this viewport.
void	removeClipPlane (GLenum planeGlEnum)
	Remove the clipp plane cresponding to the given id.
void	useClipPlane (bool flag)
	Set the clipping plane usage.
void	add3DWidget (GLC_3DViewInstance &widget)
	Add 3DWidget to this viewport.
void	clearBackground (const QColor &c) const
	Clear the background color with the specified color.
void	setToOrtho (bool useOrtho)
	Set othographic usage to the given flag.
zoom Functions

void	reframe (const GLC_BoundingBox &box)
	Set the viewport's camera in order to reframe on the current scene.
Private Member Functions
GLC_uint	meaningfulIdInsideSquare (GLint x, GLint y, GLsizei width, GLsizei height)
	Return the meaningful color ID inside a square in screen coordinates.
QSet< GLC_uint >	listOfIdInsideSquare (GLint x, GLint y, GLsizei width, GLsizei height)
	Return the Set of ID inside a square in screen coordinate.
Private Attributes
GLC_Camera *	m_pViewCam
	Viewport's camera.
double	m_dCamDistMax
	Camera Maximum distance (far clipping plane).
double	m_dCamDistMin
	Camera Minimum distance (near clipping plane).
double	m_dFov
	Camera angle of view.
double	m_ViewTangent
	Camera angle tangent.
GLC_ImagePlane *	m_pImagePlane
	Image plane (Background image).
int	m_nWinHSize
	Horizontal OpenGL viewport size.
int	m_nWinVSize
	Vertical OpenGL viewport size.
double	m_AspectRatio
	View AspectRatio.
QGLWidget *	m_pQGLWidget
	The QGLWidget attached to the viewport (rendering context).
QColor	m_BackgroundColor
	Viewport Background color.
GLsizei	m_SelectionSquareSize
	The selection square size.
GLC_Matrix4x4	m_ProjectionMatrix
	The projection matrix.
GLC_Frustum	m_Frustum
	The frustum associated to the viewport.
QHash< GLenum, GLC_Plane * >	m_ClipPlane
	The list of additionnal clipping plane.
bool	m_UseClipPlane
	Flag to know if clipping plane must be used.
GLC_3DViewCollection	m_3DWidget
	The collection wich contains 3D widget.
bool	m_UseOrtho
	Flag to know if the viewport use orthographic projection.
OpenGL Functions

void	initGl ()
	Initialize OpenGL with default values.
void	glExecuteCam (void)
	Load camera's transformation Matrix and display image if necessary.
void	updateProjectionMat (void)
	Update this viewport OpenGL projection matrix.
void	forceAspectRatio (double)
	Force the aspect ratio of this viewport.
void	updateAspectRatio ()
	Update the aspect ratio of this viewport.
const GLC_Frustum &	frustum () const
	Return the frustum associated to this viewport.
GLC_Frustum	selectionFrustum (int, int) const
	Return the frustum associated to a selection coordinate.
GLC_Point3d	unProject (int, int) const
	Return the world 3d point from the given screen coordinate.
QList< GLC_Point3d >	unproject (const QList< int > &) const
	Return the list af world 3d point form the givne list af screen coordinates.
QGLWidget *	qGLWidgetHandle ()
	Return an handle of the QGLWidget of this viewport.
void	render3DWidget ()
	Render viewport 3D widget.
void	glExecuteImagePlane ()
	Render this viewport's image plane.

Detailed Description

GLC_Viewport : OpenGL Viewport.

An GLC_Viewport define Viewport with these specification

Default GLC_Camera
Max distance of view
Min distance of view
Angle of view
Maximum zoom factor

Definition at line 55 of file glc_viewport.h.

Constructor & Destructor Documentation

GLC_Viewport::GLC_Viewport ( QGLWidget * GLWidget )

Default constructor.

Construct Viewport with these specifications :

Default GLC_Camera
Max distance of view : 500
Min distance of view : 0.01
Angle of view : 35
Maximum zoom factor : 3.0

Definition at line 42 of file glc_viewport.cpp.

GLC_Viewport::~GLC_Viewport ( ) [virtual]

Delete Camera, Image Plane and orbit circle.

Definition at line 68 of file glc_viewport.cpp.

References deleteBackGroundImage(), m_ClipPlane, and m_pViewCam.

Member Function Documentation

void GLC_Viewport::add3DWidget ( GLC_3DViewInstance & widget ) [inline]

Add 3DWidget to this viewport.

Definition at line 276 of file glc_viewport.h.

void GLC_Viewport::addClipPlane	(	GLenum	planeGlEnum,
		GLC_Plane *	pPlane
	)

Add a clipping plane to this viewport.

Definition at line 637 of file glc_viewport.cpp.

References m_ClipPlane.

double GLC_Viewport::aspectRatio ( ) const [inline]

Get this viewport ratio.

Definition at line 96 of file glc_viewport.h.

QColor GLC_Viewport::backgroundColor ( void ) const [inline]

Get this viewportbackground Color.

Definition at line 120 of file glc_viewport.h.

GLC_Camera* GLC_Viewport::cameraHandle ( ) const [inline]

Return the camera associate to this viewport.

Definition at line 84 of file glc_viewport.h.

Referenced by GLC_3DViewInstance::choseLod(), GLC_PullManipulator::doManipulate(), GLC_AbstractManipulator::enterManipulateState(), GLC_FlyMover::fly(), GLC_RepCrossMover::glDraw(), GLC_TurnTableMover::init(), GLC_SetTargetMover::init(), GLC_FlyMover::init(), GLC_AbstractManipulator::manipulate(), GLC_ZoomMover::move(), GLC_TurnTableMover::move(), GLC_TrackBallMover::move(), GLC_PanMover::move(), GLC_FlyMover::move(), and GLC_FlyMover::timerEvent().

void GLC_Viewport::clearBackground ( const QColor & c ) const [inline]

Clear the background color with the specified color.

Definition at line 280 of file glc_viewport.h.

GLC_Matrix4x4 GLC_Viewport::compositionMatrix ( ) const [inline]

Return the composition matrix between projection matrix and view matrix.

Definition at line 361 of file glc_viewport.h.

References m_ProjectionMatrix, m_pViewCam, GLC_Camera::modelViewMatrix(), and projectionMatrix().

Referenced by GLC_3DWidgetManagerHandle::render(), and updateFrustum().

void GLC_Viewport::deleteBackGroundImage ( )

delete background image of this viewport

Definition at line 510 of file glc_viewport.cpp.

References m_pImagePlane.

Referenced by ~GLC_Viewport().

double GLC_Viewport::farClippingPlaneDist ( void ) const [inline]

Get this viewport far clipping plane distance.

Definition at line 116 of file glc_viewport.h.

void GLC_Viewport::forceAspectRatio ( double ratio )

Force the aspect ratio of this viewport.

Definition at line 164 of file glc_viewport.cpp.

References m_AspectRatio, and updateProjectionMat().

const GLC_Frustum& GLC_Viewport::frustum ( ) const [inline]

Return the frustum associated to this viewport.

Definition at line 166 of file glc_viewport.h.

Referenced by GLC_3DViewCollection::updateInstanceViewableState().

void GLC_Viewport::glExecuteCam ( void )

Load camera's transformation Matrix and display image if necessary.

Definition at line 127 of file glc_viewport.cpp.

References GLC_Camera::glExecute(), glExecuteImagePlane(), and m_pViewCam.

Referenced by selectBody(), and selectPrimitive().

void GLC_Viewport::glExecuteImagePlane ( ) [private]

Render this viewport's image plane.

Definition at line 264 of file glc_viewport.cpp.

References GLC_State::isInSelectionMode(), m_pImagePlane, and GLC_ImagePlane::render().

Referenced by glExecuteCam().

void GLC_Viewport::initGl ( )

Initialize OpenGL with default values.

Glew initialisation is made here

Definition at line 112 of file glc_viewport.cpp.

References GLC_State::init(), m_BackgroundColor, and m_pQGLWidget.

QSet< GLC_uint > GLC_Viewport::listOfIdInsideSquare	(	GLint	x,
		GLint	y,
		GLsizei	width,
		GLsizei	height
	)			`[private]`

Return the Set of ID inside a square in screen coordinate.

Definition at line 474 of file glc_viewport.cpp.

References glc::decodeRgbId(), m_BackgroundColor, and m_pQGLWidget.

Referenced by selectInsideSquare().

void GLC_Viewport::loadBackGroundImage ( const QImage & image )

load background image in this viewport

Definition at line 504 of file glc_viewport.cpp.

References m_pImagePlane, and m_pQGLWidget.

void GLC_Viewport::loadBackGroundImage ( const QString & imageFile )

load background image from file in this viewport

Definition at line 498 of file glc_viewport.cpp.

References m_pImagePlane, and m_pQGLWidget.

GLC_Vector3d GLC_Viewport::mapPosMouse	(	GLdouble	Posx,
		GLdouble	Posy
	)			const

Map Screen position to OpenGL position (On image Plane) according to this viewport.

Definition at line 88 of file glc_viewport.cpp.

References GLC_Camera::distEyeTarget(), m_nWinHSize, m_nWinVSize, m_pViewCam, and m_ViewTangent.

Referenced by GLC_SetTargetMover::init(), GLC_PanMover::init(), and GLC_PanMover::move().

GLC_uint GLC_Viewport::meaningfulIdInsideSquare	(	GLint	x,
		GLint	y,
		GLsizei	width,
		GLsizei	height
	)			`[private]`

Return the meaningful color ID inside a square in screen coordinates.

Definition at line 427 of file glc_viewport.cpp.

References glc::decodeRgbId(), m_BackgroundColor, and m_pQGLWidget.

Referenced by selectBody(), selectOnPreviousRender(), and selectPrimitive().

double GLC_Viewport::nearClippingPlaneDist ( void ) const [inline]

Get this viewport near clipping plane distance.

Definition at line 112 of file glc_viewport.h.

GLC_Matrix4x4 GLC_Viewport::projectionMatrix ( ) const [inline]

Return this viewport's the projection matrix.

Definition at line 128 of file glc_viewport.h.

Referenced by compositionMatrix().

QGLWidget* GLC_Viewport::qGLWidgetHandle ( ) [inline]

Return an handle of the QGLWidget of this viewport.

Definition at line 180 of file glc_viewport.h.

Referenced by GLC_RepFlyMover::glDraw().

void GLC_Viewport::reframe ( const GLC_BoundingBox & box )

Set the viewport's camera in order to reframe on the current scene.

box shouldn't be empty

Definition at line 526 of file glc_viewport.cpp.

References GLC_BoundingBox::boundingSphereRadius(), GLC_BoundingBox::center(), GLC_BoundingBox::isEmpty(), m_pViewCam, m_ViewTangent, GLC_Camera::setDistEyeTarget(), GLC_Camera::target(), and GLC_Camera::translate().

void GLC_Viewport::removeClipPlane ( GLenum planeGlEnum )

Remove the clipp plane cresponding to the given id.

Definition at line 647 of file glc_viewport.cpp.

References m_ClipPlane.

void GLC_Viewport::render3DWidget ( )

Render viewport 3D widget.

Definition at line 276 of file glc_viewport.cpp.

References m_3DWidget, GLC_3DViewCollection::render(), glc::TransparentRenderFlag, and glc::WireRenderFlag.

GLC_uint GLC_Viewport::renderAndSelect	(	int	x,
		int	y
	)

Call the attached QGLWidgetSelect updateGL function and return the picking id.

Return UID of the nearest picked object

Definition at line 304 of file glc_viewport.cpp.

References m_pQGLWidget, selectOnPreviousRender(), and GLC_State::setSelectionMode().

GLC_uint GLC_Viewport::selectBody	(	GLC_3DViewInstance *	pInstance,
		int	x,
		int	y
	)

Select a body inside a 3DViewInstance and return its UID.

Return UID of the nearest picked body

Definition at line 327 of file glc_viewport.cpp.

References glExecuteCam(), m_pQGLWidget, meaningfulIdInsideSquare(), GLC_3DViewInstance::renderForBodySelection(), and GLC_State::setSelectionMode().

QSet< GLC_uint > GLC_Viewport::selectInsideSquare	(	int	x1,
		int	y1,
		int	x2,
		int	y2
	)

Select objects inside specified square and return its UID in a set.

Definition at line 397 of file glc_viewport.cpp.

References listOfIdInsideSquare(), m_pQGLWidget, and GLC_State::setSelectionMode().

GLC_Frustum GLC_Viewport::selectionFrustum	(	int	x,
		int	y
	)			const

Return the frustum associated to a selection coordinate.

Definition at line 175 of file glc_viewport.cpp.

References GLC_Camera::eye(), m_Frustum, m_pViewCam, m_SelectionSquareSize, and unproject().

GLsizei GLC_Viewport::selectionSquareSize ( ) const [inline]

Return the selection square size of this viewport.

Definition at line 124 of file glc_viewport.h.

GLC_uint GLC_Viewport::selectOnPreviousRender	(	int	x,
		int	y
	)

Return the picking id from the already render window.

Definition at line 316 of file glc_viewport.cpp.

References m_pQGLWidget, m_SelectionSquareSize, and meaningfulIdInsideSquare().

Referenced by renderAndSelect(), and GLC_3DWidgetManagerHandle::select().

QPair< int, GLC_uint > GLC_Viewport::selectPrimitive	(	GLC_3DViewInstance *	pInstance,
		int	x,
		int	y
	)

Select a primitive inside a 3DViewInstance and return its UID and its body index.

Return UID of the nearest picked primitive

Definition at line 354 of file glc_viewport.cpp.

References glExecuteCam(), m_pQGLWidget, meaningfulIdInsideSquare(), GLC_3DViewInstance::renderForBodySelection(), GLC_3DViewInstance::renderForPrimitiveSelection(), and GLC_State::setSelectionMode().

void GLC_Viewport::setBackgroundColor ( QColor setColor )

Set the Background color of this viewport.

Definition at line 631 of file glc_viewport.cpp.

References m_BackgroundColor, and m_pQGLWidget.

bool GLC_Viewport::setDistMax ( double DistMax )

Set far clipping distance of this viewport.

Definition at line 562 of file glc_viewport.cpp.

References m_dCamDistMax, m_dCamDistMin, and updateProjectionMat().

bool GLC_Viewport::setDistMin ( double DistMin )

Set near clipping distance of this viewport.

Definition at line 543 of file glc_viewport.cpp.

References m_dCamDistMax, m_dCamDistMin, and updateProjectionMat().

void GLC_Viewport::setDistMinAndMax ( const GLC_BoundingBox & bBox )

Set Near and Far clipping distance of this viewport.

box shouldn't be empty

Definition at line 581 of file glc_viewport.cpp.

References GLC_Camera::distEyeTarget(), GLC_Camera::eye(), GLC_BoundingBox::isEmpty(), m_dCamDistMax, m_dCamDistMin, m_pViewCam, GLC_Camera::modelViewMatrix(), and updateProjectionMat().

void GLC_Viewport::setSelectionSquareSize ( GLsizei size ) [inline]

Set the selection square size of this viewport.

Definition at line 259 of file glc_viewport.h.

void GLC_Viewport::setToOrtho ( bool useOrtho )

Set othographic usage to the given flag.

Definition at line 516 of file glc_viewport.cpp.

References m_UseOrtho, and updateProjectionMat().

void GLC_Viewport::setViewAngle ( double TargetFov ) [inline]

Set Camera's angle of view of this viewport.

Definition at line 238 of file glc_viewport.h.

References glc::toRadian().

void GLC_Viewport::setWinGLSize	(	int	HSize,
		int	VSize
	)

Inform the viewport that the OpenGL window size has been modified.

Definition at line 285 of file glc_viewport.cpp.

References m_nWinHSize, m_nWinVSize, updateAspectRatio(), and updateProjectionMat().

QList< GLC_Point3d > GLC_Viewport::unproject ( const QList< int > & list ) const

Return the list af world 3d point form the givne list af screen coordinates.

The size of the given list must be a multiple of 2

Definition at line 231 of file glc_viewport.cpp.

References GLC_Matrix4x4::data(), m_nWinVSize, m_ProjectionMatrix, m_pViewCam, and GLC_Camera::modelViewMatrix().

Referenced by selectionFrustum().

GLC_Point3d GLC_Viewport::unProject	(	int	x,
		int	y
	)			const

Return the world 3d point from the given screen coordinate.

Definition at line 212 of file glc_viewport.cpp.

References GLC_Matrix4x4::data(), m_nWinVSize, m_ProjectionMatrix, m_pViewCam, and GLC_Camera::modelViewMatrix().

Referenced by GLC_SetTargetMover::init(), GLC_FlyMover::init(), GLC_FlyMover::move(), and GLC_3DWidgetManagerHandle::select().

void GLC_Viewport::updateAspectRatio ( )

Update the aspect ratio of this viewport.

Definition at line 170 of file glc_viewport.cpp.

References m_AspectRatio, m_nWinHSize, and m_nWinVSize.

Referenced by setWinGLSize().

bool GLC_Viewport::updateFrustum ( GLC_Matrix4x4 * pMat = NULL ) [inline]

Update this viewport frustum (frustum cullin purpose).

Return true if the frustum has changed

Definition at line 373 of file glc_viewport.h.

References compositionMatrix(), m_Frustum, and GLC_Frustum::update().

Referenced by GLC_3DViewCollection::updateInstanceViewableState().

void GLC_Viewport::updateProjectionMat ( void )

Update this viewport OpenGL projection matrix.

Definition at line 133 of file glc_viewport.cpp.

References GLC_Matrix4x4::data(), GLC_Camera::distEyeTarget(), m_AspectRatio, m_dCamDistMax, m_dCamDistMin, m_dFov, m_pQGLWidget, m_ProjectionMatrix, m_pViewCam, m_UseOrtho, and m_ViewTangent.

Referenced by forceAspectRatio(), setDistMax(), setDistMin(), setDistMinAndMax(), setToOrtho(), and setWinGLSize().

void GLC_Viewport::useClipPlane ( bool flag )

Set the clipping plane usage.

Definition at line 660 of file glc_viewport.cpp.

References GLC_Plane::data(), m_ClipPlane, and m_UseClipPlane.

bool GLC_Viewport::useOrtho ( ) const [inline]

Return true if this viewport use orthographic projection.

Definition at line 139 of file glc_viewport.h.

Referenced by GLC_AbstractManipulator::manipulate().

double GLC_Viewport::viewAngle ( ) const [inline]

Get this viewport's camera's angle of view.

Definition at line 103 of file glc_viewport.h.

Referenced by GLC_RepCrossMover::glDraw().

int GLC_Viewport::viewHSize ( ) const [inline]

Get this viewport Horizontal size.

Definition at line 88 of file glc_viewport.h.

Referenced by GLC_RepTrackBallMover::computeRadius(), GLC_RepTrackBallMover::glDraw(), GLC_RepFlyMover::glDraw(), GLC_RepCrossMover::glDraw(), GLC_SetTargetMover::init(), GLC_FlyMover::mapForFlying(), GLC_TrackBallMover::mapForTracking(), and GLC_TurnTableMover::move().

double GLC_Viewport::viewTangent ( ) const [inline]

Get this viewport's camera's tangent value of view.

Definition at line 107 of file glc_viewport.h.

Referenced by GLC_3DViewInstance::choseLod().

int GLC_Viewport::viewVSize ( ) const [inline]

Get this viewport Vertical size.

Definition at line 92 of file glc_viewport.h.

Referenced by GLC_RepTrackBallMover::computeRadius(), GLC_RepTrackBallMover::glDraw(), GLC_RepFlyMover::glDraw(), GLC_RepCrossMover::glDraw(), GLC_ZoomMover::init(), GLC_SetTargetMover::init(), GLC_FlyMover::mapForFlying(), GLC_TrackBallMover::mapForTracking(), GLC_ZoomMover::move(), and GLC_TurnTableMover::move().

GLC_3DViewCollection* GLC_Viewport::widget3dCollectionHandle ( ) [inline]

Return an handle to the widget 3D collection.

Definition at line 135 of file glc_viewport.h.

Member Data Documentation

GLC_3DViewCollection GLC_Viewport::m_3DWidget [private]

The collection wich contains 3D widget.

Definition at line 355 of file glc_viewport.h.

Referenced by render3DWidget().

double GLC_Viewport::m_AspectRatio [private]

View AspectRatio.

Definition at line 331 of file glc_viewport.h.

Referenced by forceAspectRatio(), updateAspectRatio(), and updateProjectionMat().

QColor GLC_Viewport::m_BackgroundColor [private]

Viewport Background color.

Definition at line 337 of file glc_viewport.h.

Referenced by initGl(), listOfIdInsideSquare(), meaningfulIdInsideSquare(), and setBackgroundColor().

QHash<GLenum, GLC_Plane*> GLC_Viewport::m_ClipPlane [private]

The list of additionnal clipping plane.

Definition at line 349 of file glc_viewport.h.

Referenced by addClipPlane(), removeClipPlane(), useClipPlane(), and ~GLC_Viewport().

double GLC_Viewport::m_dCamDistMax [private]

Camera Maximum distance (far clipping plane).

Definition at line 317 of file glc_viewport.h.

Referenced by setDistMax(), setDistMin(), setDistMinAndMax(), and updateProjectionMat().

double GLC_Viewport::m_dCamDistMin [private]

Camera Minimum distance (near clipping plane).

Definition at line 318 of file glc_viewport.h.

Referenced by setDistMax(), setDistMin(), setDistMinAndMax(), and updateProjectionMat().

double GLC_Viewport::m_dFov [private]

Camera angle of view.

Definition at line 319 of file glc_viewport.h.

Referenced by updateProjectionMat().

GLC_Frustum GLC_Viewport::m_Frustum [private]

The frustum associated to the viewport.

Definition at line 346 of file glc_viewport.h.

Referenced by selectionFrustum(), and updateFrustum().

int GLC_Viewport::m_nWinHSize [private]

Horizontal OpenGL viewport size.

Definition at line 327 of file glc_viewport.h.

Referenced by mapPosMouse(), setWinGLSize(), and updateAspectRatio().

int GLC_Viewport::m_nWinVSize [private]

Vertical OpenGL viewport size.

Definition at line 328 of file glc_viewport.h.

Referenced by mapPosMouse(), setWinGLSize(), unproject(), unProject(), and updateAspectRatio().

GLC_ImagePlane* GLC_Viewport::m_pImagePlane [private]

Image plane (Background image).

Definition at line 324 of file glc_viewport.h.

Referenced by deleteBackGroundImage(), glExecuteImagePlane(), and loadBackGroundImage().

QGLWidget* GLC_Viewport::m_pQGLWidget [private]

The QGLWidget attached to the viewport (rendering context).

Definition at line 334 of file glc_viewport.h.

Referenced by initGl(), listOfIdInsideSquare(), loadBackGroundImage(), meaningfulIdInsideSquare(), renderAndSelect(), selectBody(), selectInsideSquare(), selectOnPreviousRender(), selectPrimitive(), setBackgroundColor(), and updateProjectionMat().

GLC_Matrix4x4 GLC_Viewport::m_ProjectionMatrix [private]

The projection matrix.

Definition at line 343 of file glc_viewport.h.

Referenced by compositionMatrix(), unproject(), unProject(), and updateProjectionMat().

GLC_Camera* GLC_Viewport::m_pViewCam [private]

Viewport's camera.

Definition at line 315 of file glc_viewport.h.

Referenced by compositionMatrix(), glExecuteCam(), mapPosMouse(), reframe(), selectionFrustum(), setDistMinAndMax(), unproject(), unProject(), updateProjectionMat(), and ~GLC_Viewport().

GLsizei GLC_Viewport::m_SelectionSquareSize [private]

The selection square size.

Definition at line 340 of file glc_viewport.h.

Referenced by selectionFrustum(), and selectOnPreviousRender().

bool GLC_Viewport::m_UseClipPlane [private]

Flag to know if clipping plane must be used.

Definition at line 352 of file glc_viewport.h.

Referenced by useClipPlane().

bool GLC_Viewport::m_UseOrtho [private]

Flag to know if the viewport use orthographic projection.

Definition at line 358 of file glc_viewport.h.

Referenced by setToOrtho(), and updateProjectionMat().

double GLC_Viewport::m_ViewTangent [private]

Camera angle tangent.

Definition at line 320 of file glc_viewport.h.

Referenced by mapPosMouse(), reframe(), and updateProjectionMat().

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

GLC_Viewport Class Reference

Public Member Functions

Private Member Functions

Private Attributes

OpenGL Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation