<NIOverviewGraphViewDataSource> Protocol Reference

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Overview

The data source for NIOverviewGraphView.

Definition at line 43 of file NIOverviewGraphView.h.

Inheritance diagram for <NIOverviewGraphViewDataSource>:

Methods
(CGFloat)	- graphViewXRange:
(CGFloat)	- graphViewYRange:
(void)	- resetPointIterator
(BOOL)	- nextPointInGraphView:point:
(void)	- resetEventIterator
(BOOL)	- nextEventInGraphView:xValue:color:

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Method Documentation

- (CGFloat) graphViewXRange:

(NIOverviewGraphView *)

graphView

[required]

Fetches the total range of all x values for this graph.

- (CGFloat) graphViewYRange:

(NIOverviewGraphView *)

graphView

[required]

Fetches the total range of all y values for this graph.

- (void) resetPointIterator

[required]

The data source should reset its iterator for fetching points in the graph.

- (BOOL) nextPointInGraphView:		(NIOverviewGraphView *)	graphView
point:		(CGPoint *)	point
			[required]

Fetches the next point in the graph to plot.

- (void) resetEventIterator

[required]

The data source should reset its iterator for fetching events in the graph.

- (BOOL) nextEventInGraphView:		(NIOverviewGraphView *)	graphView
xValue:		(CGFloat *)	xValue
color:		(UIColor **)	color
			[required]

Fetches the next event in the graph to plot.