Class IndexImage
- java.lang.Object
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- org.apache.batik.ext.awt.image.rendered.IndexImage
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public class IndexImage extends java.lang.Object
This class implements an adaptive palette generator to reduce images to a specified number of colors. Ideally this would also support a better dither option than just the JDK's pattern dither. The algorithm used is the 'Median Cut Algorithm' published by Paul Heckbert in early '80s.
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Constructor Summary
Constructors Constructor Description IndexImage()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.awt.image.BufferedImage
getIndexedImage(java.awt.image.BufferedImage bi, int nColors)
Converts the input image (must be TYPE_INT_RGB or TYPE_INT_ARGB) to an indexed image.
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Method Detail
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getIndexedImage
public static java.awt.image.BufferedImage getIndexedImage(java.awt.image.BufferedImage bi, int nColors)
Converts the input image (must be TYPE_INT_RGB or TYPE_INT_ARGB) to an indexed image. Generating an adaptive palette with number of colors specified.- Parameters:
bi
- the image to be processed.nColors
- number of colors in the palette
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