Package com.cosylab.vdct.graphics.objects

Class ZoomPane

java.lang.Object

com.cosylab.vdct.graphics.objects.ZoomPane

All Implemented Interfaces:

ImageObserver

public final class ZoomPane
extends Object
implements ImageObserver

ZoomPane enables blowing up zoomed objects. It provides the image containing zoomed objects in scale 1.0;

Since:

VERSION

Version:

$Id$

Author:

Jaka Bobnar

Field Summary

Fields

Modifier and Type	Field	Description
static ZoomPane	panel

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Method Summary

Modifier and Type	Method	Description
int	getHeight()	Returns the height of the image.
static ZoomPane	getInstance()
int	getLeftOffset()	Returns the left offset - distance from the left border to the most left object.
int	getRightOffset()	Returns the right offset - distance from the right border to the most right object.
int	getTopOffset()	Returns the top offset - distance from the top border to the object that is the closest to the top.
int	getWidth()	Returns the width of the image.
boolean	imageUpdate(Image img, int infoflags, int x, int y, int width, int height)
Image	startZooming(VisibleObject obj, boolean clearImage)	Starts drawing objects and returns drawn image.

Methods inherited from class java.lang.Object

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

Field Detail

panel

public static ZoomPane panel

Method Detail

getInstance

public static ZoomPane getInstance()

Returns:

something

getLeftOffset

public int getLeftOffset()

Returns the left offset - distance from the left border to the most left object.

Returns:

something

getRightOffset

public int getRightOffset()

Returns the right offset - distance from the right border to the most right object.

Returns:

something

getTopOffset

public int getTopOffset()

Returns the top offset - distance from the top border to the object that is the closest to the top.

Returns:

something

startZooming

public Image startZooming(VisibleObject obj,
                          boolean clearImage)

Starts drawing objects and returns drawn image.

Parameters:

obj - obj

clearImage - clearImage

Returns:

something

getWidth

public int getWidth()

Returns the width of the image.

Returns:

something

getHeight

public int getHeight()

Returns the height of the image.

Returns:

something

imageUpdate

public boolean imageUpdate(Image img,
                           int infoflags,
                           int x,
                           int y,
                           int width,
                           int height)

Specified by:

imageUpdate in interface ImageObserver