lecho.lib.hellocharts.gesture

Class ZoomerCompat

java.lang.Object

lecho.lib.hellocharts.gesture.ZoomerCompat

public class ZoomerCompat
extends java.lang.Object

A simple class that animates double-touch zoom gestures. Functionally similar to a Scroller.

Constructor Summary

Constructors

Constructor and Description
ZoomerCompat(android.content.Context context)

Method Summary

Modifier and Type	Method and Description
void	abortAnimation() Aborts the animation, setting the current zoom value to the ending value.
boolean	computeZoom() Computes the current zoom level, returning true if the zoom is still active and false if the zoom has finished.
void	forceFinished(boolean finished) Forces the zoom finished state to the given value.
float	getCurrZoom() Returns the current zoom level.
void	startZoom(float endZoom) Starts a zoom from 1.0 to (1.0 + endZoom).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ZoomerCompat

public ZoomerCompat(android.content.Context context)

Method Detail

forceFinished

public void forceFinished(boolean finished)

Forces the zoom finished state to the given value. Unlike abortAnimation(), the current zoom value isn't set to the ending value.

See Also:

Scroller.forceFinished(boolean)

abortAnimation

public void abortAnimation()

Aborts the animation, setting the current zoom value to the ending value.

See Also:

Scroller.abortAnimation()

startZoom

public void startZoom(float endZoom)

Starts a zoom from 1.0 to (1.0 + endZoom). That is, to zoom from 100% to 125%, endZoom should by 0.25f.

See Also:

Scroller.startScroll(int, int, int, int)

computeZoom

public boolean computeZoom()

Computes the current zoom level, returning true if the zoom is still active and false if the zoom has finished.

See Also:

Scroller.computeScrollOffset()

getCurrZoom

public float getCurrZoom()

Returns the current zoom level.

See Also:

Scroller.getCurrX()