lecho.lib.hellocharts.gesture

Class ChartZoomer

java.lang.Object

lecho.lib.hellocharts.gesture.ChartZoomer

public class ChartZoomer
extends java.lang.Object

Encapsulates zooming functionality.

Field Summary

Fields

Modifier and Type	Field and Description
static float	ZOOM_AMOUNT

Constructor Summary

Constructors

Constructor and Description
ChartZoomer(android.content.Context context, ZoomType zoomType)

Method Summary

Modifier and Type	Method and Description
boolean	computeZoom(ChartComputator computator)
ZoomType	getZoomType()
boolean	scale(ChartComputator computator, float focusX, float focusY, float scale)
void	setZoomType(ZoomType zoomType)
boolean	startZoom(android.view.MotionEvent e, ChartComputator computator)

Methods inherited from class java.lang.Object

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

Field Detail

ZOOM_AMOUNT

public static final float ZOOM_AMOUNT

See Also:

Constant Field Values

Constructor Detail

ChartZoomer

public ChartZoomer(android.content.Context context,
                   ZoomType zoomType)

Method Detail

startZoom

public boolean startZoom(android.view.MotionEvent e,
                         ChartComputator computator)

computeZoom

public boolean computeZoom(ChartComputator computator)

scale

public boolean scale(ChartComputator computator,
                     float focusX,
                     float focusY,
                     float scale)

getZoomType

public ZoomType getZoomType()

setZoomType

public void setZoomType(ZoomType zoomType)