#include <OpenFlipper/widgets/glWidget/QtBaseViewer.hh>

Inheritance diagram for glViewer:

Public Types
enum	ProjectionMode { ORTHOGRAPHIC_PROJECTION, PERSPECTIVE_PROJECTION }
	projection mode More...

enum	NavigationMode { NORMAL_NAVIGATION, FIRSTPERSON_NAVIGATION }
	Navigation mode. More...

enum	NormalsMode { DONT_TOUCH_NORMALS, NORMALIZE_NORMALS }
	Automatically normalize normals? More...

Public Slots
virtual void	updateGL ()
	Redraw scene. Triggers paint event for updating the view (cf. drawNow()).

virtual void	setHome ()
	set home position

virtual void	home ()
	go to home pos

virtual void	viewAll ()
	view the whole scene

virtual void	perspectiveProjection ()
	set perspective view (projectionMode(PERSPECTIVE_PROJECTION))

virtual void	orthographicProjection ()
	set orthographic view (projectionMode(ORTHOGRAPHIC_PROJECTION))

virtual void	toggleProjectionMode ()
	toggle projection mode

virtual void	toggleNavigationMode ()
	toggle navigation mode

virtual void	setFOVY (double _fovy)
	Set fovy.

virtual void	setView (const ACG::GLMatrixd &_modelview, const ACG::GLMatrixd &_inverse_modelview)
	set view, used for synchronizing

void	actionPasteView (QSize _windowSize=NULL, int _splitterWidth=NULL)

void	actionCopyView (const QSize &_windowSize=QSize(-1,-1), const int _splitterWidth=-1, const bool _make_c_string=false)

void	actionSetView (QString view)

Snapshots
virtual void	snapshot (int _width=0, int _height=0, bool _alpha=false, bool _hideCoordsys=false, int samples=1)

virtual void	snapshot (QImage &_image, int _width=0, int _height=0, bool _alpha=false, bool _hideCoordsys=false, int samples=1)
	Take a snapshot and store it in the given image.

Signals
void	functionMenuUpdate ()

void	statusMessage (const QString &message, int timeout=0)

void	projectionModeChanged (bool _ortho)

void	navigationModeChanged (bool _normal)

void	signalMouseEvent (QMouseEvent *, const std::string &)

void	signalMouseEvent (QMouseEvent *)
	This signal does not send the pick mode and is kept for compatibility.

void	signalWheelEvent (QWheelEvent *, const std::string &)
	Emitted in Pick mode. Uses pick mode.

void	signalMouseEventIdentify (QMouseEvent *)

void	signalMouseEventLight (QMouseEvent *)

void	signalSceneGraphChanged (ACG::SceneGraph::BaseNode *_root)
	scene graph has changed

void	signalMouseEventClick (QMouseEvent *, bool _double)

void	signalCustomContextMenuRequested (const QPoint &)

view handling
void	viewUpdated ()
	This signal is emitted when the scene is repainted due to any event.

void	viewChanged ()
	This signal is emitted whenever the view is changed by the user.

void	signalMakeActive ()
	make this widget active

Public Member Functions
	glViewer (QGraphicsScene _scene, OFGLWidget _glWidget, Viewer::ViewerProperties &_properties, QGraphicsWidget *_parent=0)

virtual	~glViewer ()
	Destructor.

virtual void	makeCurrent ()
	Makes this widget the current widget for OpenGL operations.

virtual void	swapBuffers ()
	Swaps the screen contents with the off-screen buffer.

void	lockProjectionUpdate (void)
	Lock update of projection matrix.

void	unlockProjectionUpdate (void)
	Unlock update of projection matrix.

void	trackMouse (bool _track)
	Enable/disable mouse tracking (move events with no button press)

void	sceneGraph (ACG::SceneGraph::BaseNode *_root, unsigned int _maxPasses, ACG::Vec3d _bbmin, ACG::Vec3d _bbmax, const bool _resetTrackBall=false)

void	projectionMode (ProjectionMode _p)
	Changes the projection mode and updates the projection matrix.

ProjectionMode	projectionMode () const
	get current projection mode

void	navigationMode (NavigationMode _n)
	Changes the navigation mode.

NavigationMode	navigationMode () const
	get current navigation mode

void	setScenePos (const ACG::Vec3d &_center, double _radius, const bool _resetTrackBall=false)

void	viewingDirection (const ACG::Vec3d &_dir, const ACG::Vec3d &_up)
	set the viewing direction

void	lookAt (const ACG::Vec3d &_eye, const ACG::Vec3d &_center, const ACG::Vec3d &_up)
	Set look at transformation directly.

void	normalsMode (NormalsMode _mode)
	set treatment of normals

NormalsMode	normalsMode () const
	get treatment of normals

void	copyToImage (QImage &_image, GLenum _buffer=GL_BACK)
	copy current framebuffer to an QImage

void	copyToImage (QImage &_image, unsigned int _left, unsigned int _top, unsigned int _width, unsigned int _height, GLenum _buffer)
	copy current framebuffer to an QImage

unsigned int	glWidth () const
	get width of QGLWidget

unsigned int	glHeight () const
	get height of QGLWidget

QSize	glSize () const
	get size of QGLWIdget

QPoint	glMapFromGlobal (const QPoint &_pos) const
	map global to glarea coords

QPoint	glMapToGlobal (const QPoint &_pos) const
	map glarea coords to global coords

double	field_of_view_vertical () const

double	aspect_ratio () const
	Returns the viewer's aspect ratio.

double	near_plane () const
	Returns a chili cheese burger.

double	far_plane () const
	Returns a peanut butter sandwich.

double	ortho_width () const
	Get width of the gl scene in orthogonal projection mode.

void	encodeView (QString &_view, const QSize &_windowSize=QSize(-1,-1), const int _toolBarWidth=-1, const bool _make_c_string=false)

bool	decodeView (const QString &_view, QSize _windowSize=NULL, int _toolBarWidth=NULL, QSize *_viewportSize=NULL)

void	initModelviewMatrix ()
	initialize modelview matrix to identity

void	grabGLArea ()
	get all Mouse & Key Events for GlWidget

void	releaseGLArea ()
	undo grabbing GLArea

void	translate (const ACG::Vec3d &trans)
	translate the scene and update modelview matrix

void	rotate (const ACG::Vec3d &axis, double angle)
	rotate the scene (around its center) and update modelview matrix

void	rotate (const ACG::Vec3d &axis, double angle, const ACG::Vec3d &_center)
	rotate the scene and update modelview matrix

void	setCursorPainter (CursorPainter *_cursorPainter)
	sets the current cursor painter

void	updateCursorPosition (QPointF _scenePos)
	will be called from CursorPainter to inform the viewer that the cursor position changed

void	moveForward ()
	First person navigation: Move forward.

void	moveBack ()
	First person navigation: Move back.

void	strafeLeft ()
	First person navigation: Strafe left.

void	strafeRight ()
	First person navigation: Strafe Right.

Projection settings
void	setSceneCenter (const ACG::Vec3d &_center)

void	setTrackBallCenter (const ACG::Vec3d &_center)
	Set Trackball Center point of scene. More...

const ACG::Vec3d	trackBallCenter ()
	Get Trackball Center point of scene. More...

const ACG::Vec3d	scene_center () const

double	scene_radius () const

void	setSceneRadius (double _radius)

Static Public Member Functions
static bool	decodeView (const QString &_view, ACG::GLMatrixd &m, ACG::GLMatrixd &p, int &pMode, double &ortho_width, QSize _windowSize=NULL, int _splitterWidth=NULL, QSize *_viewportSize=NULL)

Protected Slots
virtual void	slotWheelX (double _dAngle)
	process signals from wheelX_

virtual void	slotWheelY (double _dAngle)
	process signals from wheelX_

virtual void	slotWheelZ (double _dist)
	process signals from wheelZ_

virtual void	cleanupEventFilter ()
	correct ??? (same function as in qt src)

void	processGLDebugMessage (const QOpenGLDebugMessage &msg)
	process opengl debug messages

Protected Member Functions
virtual void	initializeGL ()
	Return a resonable size hint. More...

virtual void	paintGL (double _aspect=0.0)
	draw the scene. Triggered by updateGL().

virtual void	resizeEvent (QGraphicsSceneResizeEvent *_e)
	handle resize events

virtual void	moveEvent (QGraphicsSceneMoveEvent *_e)
	handle move events

virtual void	mousePressEvent (QGraphicsSceneMouseEvent *_event)
	handle mouse press events

virtual void	mouseDoubleClickEvent (QGraphicsSceneMouseEvent *_event)
	handle mouse double click events

virtual void	mouseMoveEvent (QGraphicsSceneMouseEvent *_event)
	handle mouse move events

virtual void	mouseReleaseEvent (QGraphicsSceneMouseEvent *_event)
	handle mouse release events

virtual void	wheelEvent (QGraphicsSceneWheelEvent *_event)
	handle mouse wheel events

virtual void	contextMenuEvent (QGraphicsSceneContextMenuEvent *_e)
	handle mouse press events

void	viewMouseEvent (QMouseEvent *_event)
	specialized viewer: hande mouse events

void	viewWheelEvent (QWheelEvent *_event)
	specialized viewer: handle wheel events

void	viewKeyEvent (QKeyEvent *_event)
	specialized viewer: hande key events

void	updateProjectionMatrix (double _aspect=0.0)
	updates projection matrix

Protected Attributes
bool	isRotating_

bool	lookAround_

Private Slots
void	slotClickTimeout ()
	Handle click timeout.

Private Member Functions
	glViewer (const glViewer &)
	Copy constructor. Never used!

glViewer &	operator= (const glViewer &)
	Assignment operator. Never used!

void	createWidgets ()

void	drawScene (double _aspect=0.0)

void	drawScene_mono ()

void	setCoordSysProjection (glViewer::ProjectionMode _mode)
	helper function for setting the projection mode of the coordinate system node

void	drawCursor ()
	draw the cursor

void	startGLDebugLogger ()

void	deleteGLDebugLogger ()

void	makeWidgetCurrent ()

bool	createQFBO (QOpenGLFramebufferObject &_ptr, GLuint _handle, int _width, int _height, int *_samples)

bool	bindQFBO (QOpenGLFramebufferObject *_ptr)

bool	QFBOResized (QOpenGLFramebufferObject *_ptr)

void	blitQFBO (QOpenGLFramebufferObject _ptr1, const QRect &_size1, QOpenGLFramebufferObject _ptr2, const QRect &_size2)

void	deleteQFBO (QOpenGLFramebufferObject *_ptr)

Stereo rendering
void	computeProjStereo (int _width, int _height, Viewer::ViewerProperties &_properties, ACG::GLMatrixd _outLeft, ACG::GLMatrixd _outRight)
	Compute left and right eye projection matrix for stereo rendering. More...

Private Attributes
ACG::Vec3d	home_center_

double	home_radius_

ACG::GLMatrixd	home_modelview_

ACG::GLMatrixd	home_inverse_modelview_

double	homeOrthoWidth_

NormalsMode	normalsMode_

ProjectionMode	projectionMode_

NavigationMode	navigationMode_

bool	trackMouse_

bool	glareaGrabbed_

double	frame_time_

ACG::SceneGraph::BaseNode *	sceneGraphRoot_

bool	projectionUpdateLocked_

QGraphicsScene *	glScene_

OFGLWidget *	glWidget_

QtGLViewerLayout *	glBaseLayout_

std::vector< QAction *>	drawMenuActions_

QTime	redrawTime_

ACG::VertexArrayObject	defaultVAO_

QOpenGLDebugLogger *	glDebugLogger_

Post Processing
PostProcessing *	postproc_
	Post-Processing executor.

Friends
class	QtGLGraphicsScene

class	SimpleGLGraphicsScene

class	QtGLGraphicsView

Wheels
ACG::QtWidgets::QtWheel *	wheelX_

ACG::QtWidgets::QtWheel *	wheelY_

ACG::QtWidgets::QtWheel *	wheelZ_

bool	wheelsVisible ()

void	slotShowWheels ()

void	slotHideWheels ()

Key handling
void	signalKeyPressEvent (QKeyEvent *)
	Key Event received. More...

virtual void	keyPressEvent (QKeyEvent *_event)
	Get keyPress events from the glArea. More...

virtual void	keyReleaseEvent (QKeyEvent *_event)
	Get keyRelease events from the glArea. More...

virtual bool	viewKeyPressEvent (QKeyEvent *)
	Handle key events in view mode. More...

Drag and Drop
virtual void	dragEnterEvent (QGraphicsSceneDragDropEvent *_e)
	drag & drop for modelview copying

virtual void	dropEvent (QGraphicsSceneDragDropEvent *_e)
	drag & drop for modelview copying

void	startDragEvent (QMouseEvent *_event)

void	dragEnterEvent (QDragEnterEvent *_event)

void	dropEvent (QDropEvent *_event)

Picking
typedef QOpenGLFramebufferObjectFormat	QFramebufferObjectFormat
	Framebuffer object that holds the pick cache.

typedef QOpenGLFramebufferObject	QFramebufferObject
	Framebuffer object that holds the pick cache.

QFramebufferObject *	pickCache_
	Framebuffer object that holds the pick cache.

QFramebufferObject *	mouseCache_
	Framebuffer object that holds the pick cache.

bool	updatePickCache_
	Should the pick cache be updated.

ACG::SceneGraph::PickTarget	pickCacheTarget_
	Pick target stored in pick cache.

bool	pickCacheSupported_
	Is pick caching supported.

bool	pick (ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, size_t &_nodeIdx, size_t &_targetIdx, ACG::Vec3d *_hitPointPtr=0)

bool	pick_region (ACG::SceneGraph::PickTarget _pickTarget, const QRegion &_region, QList< QPair< size_t, size_t > > &_list, QVector< float > _depths=0, QVector< ACG::Vec3d > _points=0)
	Perform picking action n a whole region. More...

bool	fast_pick (const QPoint &_mousePos, ACG::Vec3d &_hitPoint)

ACG::Vec3d	unproject (const ACG::Vec3d &pt)
	Framebuffer object that holds the pick cache.

int	pickColor (ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, size_t &_nodeIdx, size_t &_targetIdx, ACG::Vec3d *_hitPointPtr=0)
	pick using colors

int	pickFromCache (ACG::SceneGraph::PickTarget _pickTarget, const QPoint &_mousePos, size_t &_nodeIdx, size_t &_targetIdx, ACG::Vec3d *_hitPointPtr=0)
	pick from cache

Merge from examiner
QPoint	lastPoint2D_
	mouse interaction position More...

float	startDepth_
	mouse interaction depth More...

ACG::Vec3d	lastPoint3D_
	mouse interaction position More...

bool	lastPoint_hitSphere_
	mouse interaction position More...

bool	allowRotation_
	mouse interaction position More...

ACG::Vec3d	lastRotationAxis_
	mouse interaction position More...

ACG::Vec3d	constrainedRotationAxis_
	mouse interaction position More...

double	lastRotationAngle_
	mouse interaction position More...

QTime	lastMoveTime_
	mouse interaction position More...

QTimer *	timer_
	mouse interaction position More...

double	fovyModifier_
	mouse interaction position More...

QTimer	clickTimer_
	mouse interaction position More...

QTime	clickTime_
	mouse interaction position More...

QMouseEvent	clickEvent_
	mouse interaction position More...

void	allowRotation (bool _mode)
	Lock scene rotation.

bool	allowRotation ()
	mouse interaction position More...

void	allowConstrainedRotation (const ACG::Vec3d &axis)
	mouse interaction position More...

bool	allowConstrainedRotation ()
	mouse interaction position More...

const ACG::Vec3d &	getConstrainedRotationAxis ()
	mouse interaction position More...

void	disallowConstrainedRotation ()
	mouse interaction position More...

void	invalidatePickCache ()
	mouse interaction position More...

void	slotAnimation ()
	mouse interaction position More...

bool	mapToSphere (const QPoint &_p, ACG::Vec3d &_result) const
	virtual trackball: map 2D screen point to unit sphere

void	handleFirstPersonNavigation (QMouseEvent *_event)
	Navigate through scene if first person mode has been selected.

void	handleNormalNavigation (QMouseEvent *_event)
	Navigate through scene if normal mode has been selected.

Viewer State
Viewer::ViewerProperties &	properties_
	All properties for this viewer.

ACG::GLState *	glstate_
	Gl State.

bool	initialized_
	Have the viewer gl properties been initalized.

Viewer::ViewerProperties *	properties ()
	Returns a pointer to the Viewer Status.

const Viewer::ViewerProperties *	properties () const
	All properties for this viewer.

void	slotPropertiesUpdated ()

void	applyProperties ()

Flying animation properties
QPropertyAnimation *	flyAnimationPerspective_
	The animation object for flyTo.

QPropertyAnimation *	flyAnimationOrthogonal_
	The animation object for flyTo.

ACG::Vec3d	flyTranslation_
	Full translation between start and ed of animation.

ACG::Vec3d	flyAxis_
	The rotation axis for fly to animation.

double	flyAngle_
	The rotation angle (full angle) for fly to animation.

double	lastAnimationPos_
	The last position of the animation to compute the difference vector.

double	currentAnimationPos_
	The property that is animated by flyTo.

ACG::Vec3d	flyCenter_
	The new center after the flyTo animation.

ACG::Vec3d	flyPosition_
	The new position after the flyTo animation.

double	flyOrthoWidthOriginal_
	Original orthogonal width during flyTo in orthogonal mode.

bool	flyMoveBack_
	Flag for fly in orthogonal mode if we move back or forward.

double	currentAnimationPosition
	The animation object for flyTo.

void	currentAnimationPosChanged (double _currentAnimationPos)
	Emitted when the currentAnimationPosition changed.

virtual void	flyTo (const QPoint &_pos, bool _moveBack)
	Animated flight to or away from a given point. More...

virtual void	flyTo (const QPoint &_pos)
	Animated flight. More...

virtual void	flyFrom (const QPoint &_pos)
	Animated flight. More...

virtual void	flyTo (const ACG::Vec3d &_position, const ACG::Vec3d &_center, int _time=1000)

void	flyAnimationPerspective (QVariant _pos)
	Slot called during flyTo Animation in perspective mode.

void	flyAnimationOrthogonal (QVariant _pos)
	Slot called during flyTo Animation in orthogonal mode.

void	flyAnimationPerspectiveFinished ()
	Slot called when flyTo perspective Animation finished.

void	flyAnimationOrthogonalFinished ()
	Slot called when flyTo orthogonal Animation finished.

double	currentAnimationPos ()
	Getter for aflyToAnimationPosition.

void	currentAnimationPos (double _currentAnimationPos)
	Setter for aflyToAnimationPosition.

Detailed Description

Base Viewer Widget: All viewers are derived from this one. Implements Mouse & Keyboard Events.

Definition at line 126 of file QtBaseViewer.hh.

Member Enumeration Documentation

◆ NavigationMode

enum glViewer::NavigationMode

Navigation mode.

Enumerator
NORMAL_NAVIGATION	Normal mode.
FIRSTPERSON_NAVIGATION	First person mode.

Definition at line 202 of file QtBaseViewer.hh.

◆ NormalsMode

enum glViewer::NormalsMode

Automatically normalize normals?

Enumerator
DONT_TOUCH_NORMALS	use provided normals as is
NORMALIZE_NORMALS	Automatically normalize normals. Input normals are not normalized or the transformation matrix does scaling or shearing.

Definition at line 230 of file QtBaseViewer.hh.

◆ ProjectionMode

enum glViewer::ProjectionMode

projection mode

Enumerator
ORTHOGRAPHIC_PROJECTION	orthographic
PERSPECTIVE_PROJECTION	perspective

Definition at line 196 of file QtBaseViewer.hh.

Constructor & Destructor Documentation

◆ glViewer()

glViewer::glViewer	(	QGraphicsScene *	_scene,
		OFGLWidget *	_glWidget,
		Viewer::ViewerProperties &	_properties,
		QGraphicsWidget *	_parent = `0`
	)

Create a glViewer.

Parameters

_scene	The graphics scene that will be the parent of this widget
_glWidget	A pointer to the underlying gl widget
_properties	viewerOptions controlled by PluginFunctions
_parent	The parent graphicswidget

Definition at line 120 of file QtBaseViewer.cc.

Member Function Documentation

◆ actionCopyView

void glViewer::actionCopyView	(	const QSize &	_windowSize = `QSize(-1,-1)`,
		const int	_splitterWidth = `-1`,
		const bool	_make_c_string = `false`
	)

slot

if you want to save the windowSize, use the parameter

Note: QSize(0,0) indicates that the window is maximized

Definition at line 1323 of file QtBaseViewer.cc.

◆ actionPasteView

void glViewer::actionPasteView	(	QSize *	_windowSize = `NULL`,
		int *	_splitterWidth = `NULL`
	)

slot

you get the older window size (if saved) back

Note: QSize(0,0) indicates that the window is maximized.; _splitterWidth is -1 if no splitterWidth was saved

Definition at line 1335 of file QtBaseViewer.cc.

◆ allowConstrainedRotation() [1/2]

void glViewer::allowConstrainedRotation ( const ACG::Vec3d & axis )

inline

mouse interaction position

This variable stores the last mouse position during mouse interaction.

Definition at line 903 of file QtBaseViewer.hh.

◆ allowConstrainedRotation() [2/2]

bool glViewer::allowConstrainedRotation ( )

inline

mouse interaction position

This variable stores the last mouse position during mouse interaction.

Definition at line 906 of file QtBaseViewer.hh.

◆ allowRotation()

bool glViewer::allowRotation ( )

inline

mouse interaction position

This variable stores the last mouse position during mouse interaction.

Definition at line 901 of file QtBaseViewer.hh.

◆ applyProperties()

void glViewer::applyProperties ( )

private

This will apply all properties without redrawing You have to set the context yourself!

Definition at line 2219 of file QtBaseViewer.cc.

◆ computeProjStereo()

void glViewer::computeProjStereo	(	int	_width,
		int	_height,
		Viewer::ViewerProperties &	_properties,
		ACG::GLMatrixd *	_outLeft,
		ACG::GLMatrixd *	_outRight
	)

private

Compute left and right eye projection matrix for stereo rendering.

Parameters

_width	viewport width
_height	viewport height
_properties	viewer props
_outLeft	[out] projection matrix for left eye
_outRight	[out] projection matrix for right eye

Definition at line 2585 of file QtBaseViewer.cc.

◆ decodeView() [1/2]

bool glViewer::decodeView	(	const QString &	_view,
		ACG::GLMatrixd &	m,
		ACG::GLMatrixd &	p,
		int &	pMode,
		double &	ortho_width,
		QSize *	_windowSize = `NULL`,
		int *	_splitterWidth = `NULL`,
		QSize *	_viewportSize = `NULL`
	)

static

Decode text representation of view encoded by encodeView() into the supplied output parameters.

If _view was successfully decoded true is returned, false is returned otherwise.

You can save the current Window size via parameter _windowSize and one splitter size via _splitterwidth

Note: QSize(0,0) indicates that the window was maximized.; _splitterWidth is -1 if no splitterWidth was saved

Definition at line 1182 of file QtBaseViewer.cc.

◆ decodeView() [2/2]

bool glViewer::decodeView	(	const QString &	_view,
		QSize *	_windowSize = `NULL`,
		int *	_toolBarWidth = `NULL`,
		QSize *	_viewportSize = `NULL`
	)

Decode and apply text representation of view encoded by encodeView(). If _view was successfully decoded it will immediately be applied and true is returned, false is returned else.

You can save the current Window size via parameter _windowSize and one splitter size via _splitterwidth These values will not be applied immediately.

Note: QSize(0,0) indicates that the window was maximized.; _splitterWidth is -1 if no splitterWidth was saved

Definition at line 1286 of file QtBaseViewer.cc.

◆ disallowConstrainedRotation()

void glViewer::disallowConstrainedRotation ( )

inline

mouse interaction position

This variable stores the last mouse position during mouse interaction.

Definition at line 912 of file QtBaseViewer.hh.

◆ dragEnterEvent

void glViewer::dragEnterEvent ( QDragEnterEvent * _event )

signal

Signal is emitted only if in externalDragMode ( see setExternalDrag ) It will be send if a drag enters the gl widget.

◆ dropEvent

void glViewer::dropEvent ( QDropEvent * _event )

signal

Signal is emitted only if in externalDragMode ( see setExternalDrag ) It will be send if a drop occurs in the gl widget.

◆ encodeView()

void glViewer::encodeView	(	QString &	_view,
		const QSize &	_windowSize = `QSize(-1,-1)`,
		const int	_toolBarWidth = `-1`,
		const bool	_make_c_string = `false`
	)

convert current view to text representation if saved, the old window size will be written into _windowSize

Note: QSize(0,0) indicates that the window is maximized.

Definition at line 1139 of file QtBaseViewer.cc.

◆ fast_pick()

bool glViewer::fast_pick	(	const QPoint &	_mousePos,
		ACG::Vec3d &	_hitPoint
	)

get the coordinates of the picked point by z-buffer re-projection

Parameters

_mousePos	The position to pick
_hitPoint	The point returned by the reprojection

Returns: Successful?

Definition at line 623 of file QtBaseViewerPicking.cc.

◆ flyFrom

virtual void glViewer::flyFrom ( const QPoint & _pos )

inlinevirtualslot

Animated flight.

Animated flight away from the given point.

Definition at line 1031 of file QtBaseViewer.hh.

◆ flyTo [1/3]

void glViewer::flyTo	(	const QPoint &	_pos,
		bool	_moveBack
	)

virtualslot

Animated flight to or away from a given point.

Parameters

_pos	Point defining direction of flight (eye-point)
_moveBack	To or away from point?

Definition at line 65 of file QtBaseViewerFlyAnimation.cc.

◆ flyTo [2/3]

virtual void glViewer::flyTo ( const QPoint & _pos )

inlinevirtualslot

Animated flight.

Animated flight into the direction of the given point.

Definition at line 1023 of file QtBaseViewer.hh.

◆ flyTo [3/3]

void glViewer::flyTo	(	const ACG::Vec3d &	_position,
		const ACG::Vec3d &	_center,
		int	_time = `1000`
	)

virtualslot

Fly to point and set new viewing direction (animated).

Parameters

_position	New viewer position ( the new eye point of the viewer )
_center	The new scene center ( the point we are looking at )
_time	Animation time in ms

Definition at line 221 of file QtBaseViewerFlyAnimation.cc.

◆ getConstrainedRotationAxis()

const ACG::Vec3d& glViewer::getConstrainedRotationAxis ( )

inline

mouse interaction position

This variable stores the last mouse position during mouse interaction.

Definition at line 909 of file QtBaseViewer.hh.

◆ initializeGL()

void glViewer::initializeGL ( )

protectedvirtual

Return a resonable size hint.

initialize OpenGL states

Definition at line 968 of file QtBaseViewer.cc.

◆ invalidatePickCache()

void glViewer::invalidatePickCache ( )

inline

mouse interaction position

This variable stores the last mouse position during mouse interaction.

Definition at line 915 of file QtBaseViewer.hh.

◆ keyPressEvent()

virtual void glViewer::keyPressEvent ( QKeyEvent * _event )

inlineprotectedvirtual

Get keyPress events from the glArea.

This function is called by the internal gl widget when receiving a key press event.

Definition at line 726 of file QtBaseViewer.hh.

◆ keyReleaseEvent()

virtual void glViewer::keyReleaseEvent ( QKeyEvent * _event )

inlineprotectedvirtual

Get keyRelease events from the glArea.

This function is called by the internal gl widget when receiving a key release event. Here these events are simply passed to the parent widget.

Definition at line 734 of file QtBaseViewer.hh.

◆ pick()

bool glViewer::pick	(	ACG::SceneGraph::PickTarget	_pickTarget,
		const QPoint &	_mousePos,
		size_t &	_nodeIdx,
		size_t &	_targetIdx,
		ACG::Vec3d *	_hitPointPtr = `0`
	)

Apply pick action.
Information about the picked primitive is stored in the provided pointers. No information is stored if 0-pointers are given. Resulting values are defined only if true has been returned!

Parameters

_pickTarget	Select what should be picked: Faces/Vertices/...
_mousePos	The position to be used for picking
_nodeIdx	If picking is successful this will contain the id of the scenegraph node picked.
_targetIdx	Special index defined by the picked Node. E.g. Facehandle/VertexHandle/.. for MeshNodes
_hitPointPtr	Pointer to 3D point from picking

Returns: Successful?

Definition at line 71 of file QtBaseViewerPicking.cc.

◆ pick_region()

bool glViewer::pick_region	(	ACG::SceneGraph::PickTarget	_pickTarget,
		const QRegion &	_region,
		QList< QPair< size_t, size_t > > &	_list,
		QVector< float > *	_depths = `0`,
		QVector< ACG::Vec3d > *	_points = `0`
	)

Perform picking action n a whole region.

Apply pick action.
Picks all objects in the given Region. Information about the picked primitives is stored in the provided list. Resulting values are defined only if true has been returned!

Parameters

_pickTarget	Select what should be picked: Faces/Vertices/...
_region	Area for picking
_list	List of found scenegraph objects (node/target pairs)
_depths	depths [0,1] (Only provided, if requested)
_points	back projected 3d points (Only provided, if requested)

Returns: Successful?

Definition at line 424 of file QtBaseViewerPicking.cc.

◆ scene_center()

const ACG::Vec3d glViewer::scene_center ( ) const

inline

Get scene's center

See also: setScenePos()

Definition at line 696 of file QtBaseViewer.hh.

◆ scene_radius()

double glViewer::scene_radius ( ) const

inline

Get scene's radius

Definition at line 699 of file QtBaseViewer.hh.

◆ sceneGraph()

void glViewer::sceneGraph	(	ACG::SceneGraph::BaseNode *	_root,
		unsigned int	_maxPasses,
		ACG::Vec3d	_bbmin,
		ACG::Vec3d	_bbmax,
		const bool	_resetTrackBall = `false`
	)

Set scene graph. Sets the scene graph to the the graph rooted at _root. Recomputes Scene center and resets the trackball center if specified. The sceneGraphToched() signal will be emitted (even if _root does not actually change). Use the ACG::SceneGraph::analyzeSceneGraph() function to get the required bounding box and pass information.

Parameters

_root	The root node of the scene graph
_maxPasses	The maximal number of passes required to render the scenegraph
_bbmin	Lower left of the scenegraph bounding box
_bbmax	Upper right of the scenegraph bounding box
_resetTrackBall	Reset the trackball center?

Definition at line 248 of file QtBaseViewer.cc.

◆ setSceneCenter()

void glViewer::setSceneCenter ( const ACG::Vec3d & _center )

inline

Set new center point of scene

Definition at line 679 of file QtBaseViewer.hh.

◆ setScenePos()

void glViewer::setScenePos	(	const ACG::Vec3d &	_center,
		double	_radius,
		const bool	_resetTrackBall = `false`
	)

Sets the center and dimension of the whole scene. This point is used as fixpoint for rotations and to set the eye point far enough from the scene so that the whole scene is visible.

Definition at line 433 of file QtBaseViewer.cc.

◆ setSceneRadius()

void glViewer::setSceneRadius ( double _radius )

inline

Set new center point of scene

Definition at line 701 of file QtBaseViewer.hh.

◆ setTrackBallCenter()

void glViewer::setTrackBallCenter ( const ACG::Vec3d & _center )

inline

Set Trackball Center point of scene.

The scene is rotated around the trackball center when using the mouse

Definition at line 685 of file QtBaseViewer.hh.

◆ signalCustomContextMenuRequested

void glViewer::signalCustomContextMenuRequested ( const QPoint & )

signal

If popups are disabled context menu mode is set to custom Menu and the signal is passed from the QGLWidget to this signal. You can use mapToGlobal for mapping this point to global coords.

◆ signalKeyPressEvent

void glViewer::signalKeyPressEvent ( QKeyEvent * )

signal

Key Event received.

This signal is emitted if a Key press event is received which is not handled by the widget itself. If internal key handling is disabled the events are passed to the parent of this widget.

◆ signalMouseEvent

void glViewer::signalMouseEvent	(	QMouseEvent *	,
		const std::string &
	)

signal

A signal for giving mouse events to the application. This is done if the Pick-Button (top-most button of the toolbar) is activated. Connect to this signal to implement application specific handling of mouse events.
Notes:

You have to test for the QMouseEvent::type() of the event yourself (press/release/move)!
signalMouseEventIdentify() is emitted on button press if actionMode()==Question.

◆ signalMouseEventClick

void glViewer::signalMouseEventClick	(	QMouseEvent *	,
		bool	_double
	)

signal

Emitted if a (double) mouse click is performed in actionMode()==ExamineMode

◆ signalMouseEventIdentify

void glViewer::signalMouseEventIdentify ( QMouseEvent * )

signal

Emitted instead of signalMouseEvent() if actionMode()==Question and _event is a mouse press event.

◆ signalMouseEventLight

void glViewer::signalMouseEventLight ( QMouseEvent * )

signal

Emitted instead of signalMouseEvent() if actionMode()==Light and _event is a mouse press event.

◆ slotAnimation

void glViewer::slotAnimation ( )

privateslot

mouse interaction position

This variable stores the last mouse position during mouse interaction.

Definition at line 2197 of file QtBaseViewer.cc.

◆ slotPropertiesUpdated

void glViewer::slotPropertiesUpdated ( )

privateslot

Called when properties for the viewer require a redraw The slot will trigger the redraw after setting the right properties.

Definition at line 2245 of file QtBaseViewer.cc.

◆ snapshot

void glViewer::snapshot	(	int	_width = `0`,
		int	_height = `0`,
		bool	_alpha = `false`,
		bool	_hideCoordsys = `false`,
		int	samples = `1`
	)

virtualslot

Trigger a snapshot and increase the snapshot counter. Save snapshot to file determined by snapshotBaseFileName() and the current snapshot counter. The back buffer will be saved.

Definition at line 2384 of file QtBaseViewer.cc.

◆ startDragEvent

void glViewer::startDragEvent ( QMouseEvent * _event )

signal

Signal is emitted when Control modifier is pressed and mouse moded. It will only be emitted if in externalDragMode ( see setExternalDrag )

◆ trackBallCenter()

const ACG::Vec3d glViewer::trackBallCenter ( )

inline

Get Trackball Center point of scene.

The scene is rotated around the trackball center when using the mouse

Definition at line 691 of file QtBaseViewer.hh.

◆ viewKeyPressEvent()

virtual bool glViewer::viewKeyPressEvent ( QKeyEvent * )

inlineprotectedvirtual

Handle key events in view mode.

This function is called by the BaseViewer if a key press event occured in view mode. This function has to be implemented by every viewer!

Returns: If the derived class handled the event it has to return true otherwise false

This variable stores the last mouse position during mouse interaction.

Definition at line 959 of file QtBaseViewer.hh.

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

OpenFlipper/widgets/glWidget/QtBaseViewer.hh
OpenFlipper/widgets/glWidget/QtBaseViewer.cc
OpenFlipper/widgets/glWidget/QtBaseViewer_qt.cc
OpenFlipper/widgets/glWidget/QtBaseViewerFlyAnimation.cc
OpenFlipper/widgets/glWidget/QtBaseViewerPicking.cc

Public Types

Public Slots

Signals

Public Member Functions

Static Public Member Functions

Protected Slots

Protected Member Functions

Protected Attributes

Private Slots

Private Member Functions

Private Attributes

Friends

Wheels

Key handling

Drag and Drop

Picking

Merge from examiner

Viewer State

Flying animation properties

Detailed Description

Member Enumeration Documentation

◆ NavigationMode

◆ NormalsMode

◆ ProjectionMode

Constructor & Destructor Documentation

◆ glViewer()

Member Function Documentation

◆ actionCopyView

◆ actionPasteView

◆ allowConstrainedRotation() [1/2]

◆ allowConstrainedRotation() [2/2]

◆ allowRotation()

◆ applyProperties()

◆ computeProjStereo()

◆ decodeView() [1/2]

◆ decodeView() [2/2]

◆ disallowConstrainedRotation()

◆ dragEnterEvent

◆ dropEvent

◆ encodeView()

◆ fast_pick()

◆ flyFrom

◆ flyTo [1/3]

◆ flyTo [2/3]

◆ flyTo [3/3]

◆ getConstrainedRotationAxis()

◆ initializeGL()

◆ invalidatePickCache()

◆ keyPressEvent()

◆ keyReleaseEvent()

◆ pick()

◆ pick_region()

◆ scene_center()

◆ scene_radius()

◆ sceneGraph()

◆ setSceneCenter()

◆ setScenePos()

◆ setSceneRadius()

◆ setTrackBallCenter()

◆ signalCustomContextMenuRequested

◆ signalKeyPressEvent

◆ signalMouseEvent

◆ signalMouseEventClick

◆ signalMouseEventIdentify

◆ signalMouseEventLight

◆ slotAnimation

◆ slotPropertiesUpdated

◆ snapshot

◆ startDragEvent

◆ trackBallCenter()

◆ viewKeyPressEvent()

Member Data Documentation

◆ allowRotation_

◆ clickEvent_

◆ clickTime_

◆ clickTimer_

◆ constrainedRotationAxis_

◆ fovyModifier_

◆ lastMoveTime_

◆ lastPoint2D_