org.das2.util.ImageUtil

Utilities for image files and images.

ImageUtil( )

getJSONMetadata

getJSONMetadata( java.io.File file ) → String

return the node containing JSON metadata showing where the plots are in images produced by the Autoplot Das2 library.

Parameters

file - the png file.

Returns:

null or the JSON describing the image. See http://autoplot.org/developer.richPng

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getScaledInstance

getScaledInstance( java.awt.image.BufferedImage img, int thumbSize ) → BufferedImage

convenient typical use.

Parameters

img - image to resize.
thumbSize - corner-to-corner size, preserving aspect ratio.

Returns:

buffered image that is thumbSize across.

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getScaledInstance( java.awt.image.BufferedImage img, int width, int height, boolean pad ) → BufferedImage
getScaledInstance( java.awt.image.BufferedImage img, int targetWidth, int targetHeight, Object hint, boolean higherQuality ) → BufferedImage