A Display manages the location and resizing of an OpenGl viewport. More...

#include <display.h>

Inheritance diagram for pangolin::View:

Public Member Functions
void	Activate () const
	Activate Displays viewport for drawing within this area.
void	Activate (const OpenGlRenderState &state) const
	Activate Displays and set State Matrices.
void	ActivateAndScissor () const
	Activate Displays viewport and Scissor for drawing within this area.
void	ActivateAndScissor (const OpenGlRenderState &state) const
	Activate Display and set State Matrices.
void	ActivateScissorAndClear () const
	Activate Displays viewport and Scissor for drawing within this area.
void	ActivateScissorAndClear (const OpenGlRenderState &state) const
	Activate Display and set State Matrices.
View &	AddDisplay (View &view)
	Add view as child.
void	GetCamCoordinates (const OpenGlRenderState &cam_state, double winx, double winy, double winzdepth, double &x, double &y, double &z) const
GLfloat	GetClosestDepth (int winx, int winy, int radius) const
	Return closest depth buffer value within radius of window (winx,winy)
void	GetObjectCoordinates (const OpenGlRenderState &cam_state, double winx, double winy, double winzdepth, double &x, double &y, double &z) const
View &	operator[] (int i)
	Return (i)th child of this view.
virtual void	Render ()
virtual void	RenderChildren ()
	Instruct all children to render themselves if appropriate.
virtual void	Resize (const Viewport &parent)
	Given the specification of Display, compute viewport.
virtual void	ResizeChildren ()
	Instruct all children to resize.
View &	SetAspect (double aspect)
View &	SetBounds (Attach bottom, Attach top, Attach left, Attach right, bool keep_aspect=false)
	Set bounds for the View using mixed fractional / pixel coordinates (OpenGl view coordinates)
View &	SetBounds (Attach bottom, Attach top, Attach left, Attach right, double aspect)
	Set bounds for the View using mixed fractional / pixel coordinates (OpenGl view coordinates)
View &	SetDrawFunction (const boost::function< void(View &)> &drawFunc)
	Set drawFunc as the drawing function for this view.
View &	SetFocus ()
	Set this view as the active View to receive input.
View &	SetHandler (Handler *handler)
	Designate handler for accepting mouse / keyboard input.
View &	SetLayout (Layout layout)
	Set layout policy for this view.
View &	SetLock (Lock horizontal, Lock vertical)
	Set how this view should be positioned relative to its parent.
	View ()
virtual	~View ()
Public Attributes
double	aspect
Attach	bottom
boost::function< void(View &)>	extern_draw_function
Handler *	handler
Lock	hlock
Layout	layout
Attach	left
Attach	right
int	scroll_offset
bool	show
Attach	top
Viewport	v
std::vector< View * >	views
Lock	vlock
Viewport	vp
Private Member Functions
	View (View &)

Detailed Description

A Display manages the location and resizing of an OpenGl viewport.

Definition at line 323 of file display.h.

Constructor & Destructor Documentation

pangolin::View::View ( ) [inline]

Definition at line 325 of file display.h.

virtual pangolin::View::~View ( ) [inline, virtual]

Definition at line 329 of file display.h.

pangolin::View::View ( View & ) [inline, private]

Definition at line 436 of file display.h.

Member Function Documentation

void pangolin::View::Activate ( ) const

Activate Displays viewport for drawing within this area.

Definition at line 783 of file display.cpp.

void pangolin::View::Activate ( const OpenGlRenderState & state ) const

Activate Displays and set State Matrices.

Definition at line 801 of file display.cpp.

void pangolin::View::ActivateAndScissor ( ) const

Activate Displays viewport and Scissor for drawing within this area.

Definition at line 788 of file display.cpp.

void pangolin::View::ActivateAndScissor ( const OpenGlRenderState & state ) const

Activate Display and set State Matrices.

Definition at line 807 of file display.cpp.

void pangolin::View::ActivateScissorAndClear ( ) const

Activate Displays viewport and Scissor for drawing within this area.

Definition at line 794 of file display.cpp.

void pangolin::View::ActivateScissorAndClear ( const OpenGlRenderState & state ) const

Activate Display and set State Matrices.

Definition at line 814 of file display.cpp.

View & pangolin::View::AddDisplay ( View & view )

Add view as child.

Definition at line 893 of file display.cpp.

void pangolin::View::GetCamCoordinates	(	const OpenGlRenderState &	cam_state,
		double	winx,
		double	winy,
		double	winzdepth,
		double &	x,
		double &	y,
		double &	z
	)		const

Obtain camera space coordinates of scene at pixel (winx, winy, winzdepth) winzdepth can be obtained from GetClosestDepth

Definition at line 841 of file display.cpp.

GLfloat pangolin::View::GetClosestDepth	(	int	winx,
		int	winy,
		int	radius
	)		const

Return closest depth buffer value within radius of window (winx,winy)

Definition at line 822 of file display.cpp.

void pangolin::View::GetObjectCoordinates	(	const OpenGlRenderState &	cam_state,
		double	winx,
		double	winy,
		double	winzdepth,
		double &	x,
		double &	y,
		double &	z
	)		const

Obtain object space coordinates of scene at pixel (winx, winy, winzdepth) winzdepth can be obtained from GetClosestDepth

Definition at line 833 of file display.cpp.

View & pangolin::View::operator[] ( int i )

Return (i)th child of this view.

Definition at line 907 of file display.cpp.

void pangolin::View::Render ( void ) [virtual]

Perform any automatic rendering for this View. Default implementation simply instructs children to render themselves.

Reimplemented in pangolin::Plotter, pangolin::TextInput, pangolin::Slider, pangolin::Checkbox, pangolin::Button, and pangolin::Panel.

Definition at line 768 of file display.cpp.

void pangolin::View::RenderChildren ( ) [virtual]

Instruct all children to render themselves if appropriate.

Definition at line 777 of file display.cpp.

void pangolin::View::Resize ( const Viewport & parent ) [virtual]

Given the specification of Display, compute viewport.

Definition at line 619 of file display.cpp.

void pangolin::View::ResizeChildren ( ) [virtual]

Instruct all children to resize.

Reimplemented in pangolin::TextInput, pangolin::Slider, pangolin::Checkbox, pangolin::Button, and pangolin::Panel.

Definition at line 682 of file display.cpp.

View & pangolin::View::SetAspect ( double aspect )

Force this view to have the given aspect, whilst fitting snuggly within the parent. A negative value with 'over-draw', fitting the smaller side of the parent.

Definition at line 872 of file display.cpp.