com.bbn.openmap.image
Class PNG8ImageFormatter

java.lang.Object
  com.bbn.openmap.image.AbstractImageFormatter
      com.bbn.openmap.image.ImageIOFormatter
          com.bbn.openmap.image.PNG8ImageFormatter

All Implemented Interfaces:

ImageFormatter, PropertyConsumer, java.beans.PropertyChangeListener, java.util.EventListener

public class PNG8ImageFormatter
extends ImageIOFormatter

Field Summary

Fields inherited from class com.bbn.openmap.image.ImageIOFormatter

formatName

Fields inherited from class com.bbn.openmap.image.AbstractImageFormatter

bufferedImage, layers, propertiesPrefix

Fields inherited from interface com.bbn.openmap.PropertyConsumer

EditorProperty, initPropertiesProperty, LabelEditorProperty, ScopedEditorProperty

Constructor Summary

PNG8ImageFormatter()

Method Summary

byte[]	formatImage(java.awt.image.BufferedImage bi) Convert a BufferedImage to a image file format...
java.lang.String	getContentType() Get the Mime Content Type created by the ImageFormatter.
java.lang.String	getFormatLabel() Get the Image Type created by the ImageFormatter.
java.awt.Graphics	getGraphics(int width, int height) Return the applicable Graphics to use to paint the layers into.
protected boolean	imageFormatSupportAlphaChannel() Return true if the image format support alpha channel.
protected boolean	imageFormatSupportTransparentPixel() Return true if the image format support fully transparent pixels.
ImageFormatter	makeClone() Create a new instance of the same type of formatter.

Methods inherited from class com.bbn.openmap.image.ImageIOFormatter

getFormatName, setFormatName

Methods inherited from class com.bbn.openmap.image.AbstractImageFormatter

getBufferedImage, getGraphics, getGraphics, getImageBytes, getImageFromMapBean, getImageFromMapBean, getImageFromMapBean, getProperties, getPropertyInfo, getPropertyPrefix, getScaledBufferedImage, getScaledImageBytes, propertyChange, setBufferedImage, setProperties, setProperties, setPropertyPrefix

Methods inherited from class java.lang.Object

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

Constructor Detail

PNG8ImageFormatter

public PNG8ImageFormatter()

Method Detail

formatImage

public byte[] formatImage(java.awt.image.BufferedImage bi)

Description copied from class: AbstractImageFormatter

Convert a BufferedImage to a image file format...

Specified by:

formatImage in interface ImageFormatter

Overrides:

formatImage in class ImageIOFormatter

Parameters:

bi - a BufferedImage..

getGraphics

public java.awt.Graphics getGraphics(int width,
                                     int height)

Description copied from class: ImageIOFormatter

Return the applicable Graphics to use to paint the layers into. If the internal BufferedImage hasn't been created yet, or has been set to null, then a new buffered Image is created, set to the size specified by the height and width. The ImageGenerator extends MapBean. Remember to dispose of the graphics object when you are done with it. Uses the BufferedImage.TYPE_INT_ARGB colormodel.

Specified by:

getGraphics in interface ImageFormatter

Overrides:

getGraphics in class ImageIOFormatter

Parameters:

width - pixel width of Graphics.

height - pixel height of Graphics.

Returns:

java.awt.Graphics object to use.

See Also:

BufferedImage

makeClone

public ImageFormatter makeClone()

Description copied from class: AbstractImageFormatter

Create a new instance of the same type of formatter. If you are running in a multi-threaded environment, you'll need to provide a new instance of the formatter to each thread, since the image and graphics that are being drawn into for each thread are contained within.

Specified by:

makeClone in interface ImageFormatter

Specified by:

makeClone in class AbstractImageFormatter

Returns:

a new instance of this type of formatter, with the same properties set.

getContentType

public java.lang.String getContentType()

Description copied from interface: ImageFormatter

Get the Mime Content Type created by the ImageFormatter.

getFormatLabel

public java.lang.String getFormatLabel()

Description copied from interface: ImageFormatter

Get the Image Type created by the ImageFormatter. These responses should adhere to the OGC WMT standard format labels. Some are listed in the WMTConstants interface file.

imageFormatSupportAlphaChannel

protected boolean imageFormatSupportAlphaChannel()

Description copied from class: AbstractImageFormatter

Return true if the image format support alpha channel. The returned value represent the capability of the image format, not the current color model.

Specified by:

imageFormatSupportAlphaChannel in class AbstractImageFormatter

Returns:

true if alpha supported

imageFormatSupportTransparentPixel

protected boolean imageFormatSupportTransparentPixel()

Description copied from class: AbstractImageFormatter

Return true if the image format support fully transparent pixels. The returned value represent the capability of the image format, not the current color model.

Specified by:

imageFormatSupportTransparentPixel in class AbstractImageFormatter

Returns:

true of transparent pixels supported