ofxOui::Graph Class Reference

2D Graph Area (with virtual coordinate system) More...

#include <ofxOuiGraph.hpp>

Collaboration diagram for ofxOui::Graph:

Classes
struct	Bounds
	Bounds of the graph space. More...
class	BoundsChangedEvent
	Event arguments for pan/zoom events resulting in bounds changes of the graph area. More...
class	Ruler

Public Member Functions
	Graph ()
	Default Constructor. More...
	~Graph ()
	Destructor. More...
void	drawRuler ()
void	setupViewport ()
void	restoreViewport ()
template<typename T , typename args , class ListenerClass >
void	onBoundsChanged (T *owner, void(ListenerClass::*listenerMethod)(args))
	Set callback function for bounds changed events. More...
bool	insideViewArea (ofVec2f const &pointAsPixels) const
	Checks if a point is in the view area. More...
bool	insideGraphArea (ofVec2f const &pointAsCoord) const
	Checks if a point is in the graph area. More...
ofVec2f	coord2pix (ofVec2f const &pointAsCoord) const
	Convert graph coordinates to pixel coordinates. More...
ofVec2f	pix2coord (ofVec2f const &pointAsPixels) const
	Convert pixel coordinates to graph coordinates. More...
ofVec2f	scale2view (ofVec2f const &scaleAsCoord) const
	Scale graph units to pixel units. More...
ofVec2f	scale2graph (ofVec2f const &scaleAsPixels) const
	Scale pixel units to graph units. More...

Public Attributes
ofRectangle	view
	View area rectangle (in pixels) More...
Bounds	graph_area
	Bounds of the graph space. More...
bool	iso_zoom = true
std::pair< bool, Ruler >	horizontal_ruler = {true, {}}
std::pair< bool, Ruler >	vertical_ruler = {true, {Ruler::Layout::Vertical}}

Protected Member Functions
void	mouseScrolled (ofMouseEventArgs &e)

Protected Attributes
std::function< void(Graph::BoundsChangedEvent &)>	bounds_changed_event_callback_
bool	viewport_valid = false

Detailed Description

2D Graph Area (with virtual coordinate system)

Constructor & Destructor Documentation

Graph()

ofxOui::Graph::Graph

(

)

Default Constructor.

~Graph()

ofxOui::Graph::~Graph

(

)

Destructor.

Member Function Documentation

coord2pix()

ofVec2f ofxOui::Graph::coord2pix

(

ofVec2f const &

pointAsCoord

)

const

Convert graph coordinates to pixel coordinates.

Parameters

pointAsCoord

2D coordinates (in graph units)

Returns

2D coordinates (in pixels)

drawRuler()

void ofxOui::Graph::drawRuler

(

)

insideGraphArea()

bool ofxOui::Graph::insideGraphArea

(

ofVec2f const &

pointAsCoord

)

const

Checks if a point is in the graph area.

Parameters

pointAsCoord

2D coordinates (in graph units)

Returns

true if the point is in the graph area

insideViewArea()

bool ofxOui::Graph::insideViewArea

(

ofVec2f const &

pointAsPixels

)

const

Checks if a point is in the view area.

Parameters

pointAsPixels

2D coordinates (in pixels)

Returns

true if the point is in the view area

mouseScrolled()

void ofxOui::Graph::mouseScrolled ( ofMouseEventArgs &  e )

protected

onBoundsChanged()

template<typename T , typename args , class ListenerClass >

void ofxOui::Graph::onBoundsChanged ( T *  owner, void(ListenerClass::*)(args)  listenerMethod  )

inline

Set callback function for bounds changed events.

Parameters

owner	pointer to the owner object
listenerMethod	method to be called on eaech event

Template Parameters

T	type of the owner object
args	arguments of the callback function
ListenerClass	class to which the listener method belongs

pix2coord()

ofVec2f ofxOui::Graph::pix2coord

(

ofVec2f const &

pointAsPixels

)

const

Convert pixel coordinates to graph coordinates.

Parameters

pointAsPixels

2D coordinates (in pixels)

Returns

2D coordinates (in graph units)

restoreViewport()

void ofxOui::Graph::restoreViewport

(

)

scale2graph()

ofVec2f ofxOui::Graph::scale2graph

(

ofVec2f const &

scaleAsPixels

)

const

Scale pixel units to graph units.

Parameters

scaleAsPixels

scale in pixel units

Returns

scale in graph units

scale2view()

ofVec2f ofxOui::Graph::scale2view

(

ofVec2f const &

scaleAsCoord

)

const

Scale graph units to pixel units.

Parameters

scaleAsCoord

scale in graph units

Returns

scale in pixel units

setupViewport()

void ofxOui::Graph::setupViewport

(

)

Member Data Documentation

bounds_changed_event_callback_

std::function<void(Graph::BoundsChangedEvent&)> ofxOui::Graph::bounds_changed_event_callback_

protected

graph_area

Bounds ofxOui::Graph::graph_area

Bounds of the graph space.

horizontal_ruler

std::pair<bool, Ruler> ofxOui::Graph::horizontal_ruler = {true, {}}

iso_zoom

bool ofxOui::Graph::iso_zoom = true

vertical_ruler

std::pair<bool, Ruler> ofxOui::Graph::vertical_ruler = {true, {Ruler::Layout::Vertical}}

view

ofRectangle ofxOui::Graph::view

View area rectangle (in pixels)

viewport_valid

bool ofxOui::Graph::viewport_valid = false

protected

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

• ofxOuiGraph.hpp
• ofxOuiGraph.cpp