Package com.levigo.jadice.web.client.util.helper

Class ZoomHelper

java.lang.Object

com.levigo.jadice.web.client.util.helper.ZoomHelper

public class ZoomHelper
extends Object

Provides some Zoom-Functionality for the PageView.

Field Summary

Fields

Modifier and Type	Field	Description
static final ZoomHelper	INSTANCE

Method Summary

Modifier and Type	Method	Description
void	setZoom(PageView pageView, float zoomFactor)	This method zooms to the target zoomFactor.
void	zoom(PageView pageView, float zoomRelative, RenderControls renderControls)	This method zooms to the current selected Page
void	zoom(PageView pageView, float zoomRelative, Point zoomTo, boolean center)	Zooms to the Page at the given point.
protected void	zoomTo(PageView pageView, Rectangle zoomTo)	This method zooms to a given rectangle in the PageView

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final ZoomHelper INSTANCE

Method Details

zoomTo

protected void zoomTo(PageView pageView,
 Rectangle zoomTo)

This method zooms to a given rectangle in the PageView

Parameters:

pageView - the PageView to zoom

zoomTo - the target area

setZoom

public void setZoom(PageView pageView,
 float zoomFactor)

This method zooms to the target zoomFactor.

Parameters:

pageView - the PageView to zoom

zoomFactor - the target zoomFactor value

zoom

public void zoom(PageView pageView,
 float zoomRelative,
 RenderControls renderControls)

This method zooms to the current selected Page

Parameters:

pageView - the PageView to which the page belongs

zoomRelative - 0:No zoom # -0.1 : zoom 10% out # +0.1 zoom 10% in

renderControls - the current RenderControls

zoom

public void zoom(PageView pageView,
 float zoomRelative,
 Point zoomTo,
 boolean center)

Zooms to the Page at the given point.

Parameters:

pageView - the PageView

zoomRelative - 0:No zoom # -0.1 : zoom 10% out # +0.1 zoom 10% in

zoomTo - Point to Zoom to

center - if true, ZoomTo is center(Center the Page here); if false, ZoomTo is MousePos(keepMousePos)