org.autoplot.pngwalk.WalkImage

A class to manage an image for the PNGWalk tool. Handles downloading and thumbnail generation.

WalkImage( java.net.URI uri, boolean haveThumbs400 )

PROP_STATUS_CHANGE

PROP_BADGE_CHANGE

THUMB_SIZE

addObserver

addObserver( org.autoplot.pngwalk.PngWalkView obs ) → void

mark this image as one which is being used.

Parameters

obs - a PngWalkView

Returns:

void (returns nothing)

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addPropertyChangeListener

addPropertyChangeListener( java.beans.PropertyChangeListener listener ) → void

Parameters

listener - a PropertyChangeListener

Returns:

void (returns nothing)

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getCaption

getCaption( ) → String

the text displayed along with the image

Returns:

a String

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getDatumRange

getDatumRange( ) → DatumRange

get the time range for the image, or null if the timerange cannot be inferred.

Returns:

a DatumRange

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getImage

getImage( ) → java.awt.image.BufferedImage

return the image, or the missing image should the image be missing.

Returns:

a java.awt.image.BufferedImage

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getInitLoadBirthTime

getInitLoadBirthTime( ) → long

get the time that the image load was triggered.

Returns:

the time in millis, to be compared to System.currentTimeMillis.

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getSquishedThumbnail

getSquishedThumbnail( ) → java.awt.image.BufferedImage

Returns:

java.awt.image.BufferedImage

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getSquishedThumbnail( boolean loadIfNeeded ) → java.awt.image.BufferedImage

getStatus

getStatus( ) → org.autoplot.pngwalk.WalkImage.Status

Returns:

org.autoplot.pngwalk.WalkImage.Status

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getThumbnail

getThumbnail( ) → java.awt.image.BufferedImage

Returns:

java.awt.image.BufferedImage

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getThumbnail( int w, int h, boolean waitOk ) → java.awt.image.BufferedImage
getThumbnail( boolean loadIfNeeded ) → java.awt.image.BufferedImage

getThumbnailDimension

getThumbnailDimension( boolean loadIfNeeded ) → java.awt.Dimension

Parameters

loadIfNeeded - a boolean

Returns:

java.awt.Dimension

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getThumbnailImmediately

getThumbnailImmediately( ) → void

attempt to create the thumbnail on the current thread. If there is no "thumbs400" directory and the image is not yet loaded, then no action takes place.

Returns:

void (returns nothing)

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getUri

getUri( ) → java.net.URI

Returns:

java.net.URI

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hasObservers

hasObservers( ) → boolean

true if some view can see this image's thumbnail or the image.

Returns:

a boolean

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readImage

readImage( java.io.File f ) → java.awt.image.BufferedImage

return a file, that is never type=0. This was a bug on Windows.

Parameters

f - a File

Returns:

a java.awt.image.BufferedImage

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removeObserver

removeObserver( org.autoplot.pngwalk.PngWalkView obs ) → void

remove this observer from the list of observers

Parameters

obs - a PngWalkView

Returns:

void (returns nothing)

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removePropertyChangeListener

removePropertyChangeListener( java.beans.PropertyChangeListener listener ) → void

Parameters

listener - a PropertyChangeListener

Returns:

void (returns nothing)

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rotateImage

rotateImage( java.awt.image.BufferedImage img, int angle ) → java.awt.image.BufferedImage

rotate an image, unlike the rotate found in ImageDataSource, this will resize the image when the rotation is 90 degrees.

Parameters

img - the image
angle - the angle to rotate clockwise, in degrees.

Returns:

the rotated image.

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setCaption

setCaption( String caption ) → void

Parameters

caption - a String

Returns:

void (returns nothing)

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setDatumRange

setDatumRange( DatumRange dr ) → void

Parameters

dr - a DatumRange

Returns:

void (returns nothing)

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toString

toString( ) → String

Returns:

java.lang.String

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waitForImage

waitForImage( ) → java.awt.image.BufferedImage

contain logic which will wait for the image to load.

Returns:

the image, or missingImage.

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