railo.runtime.img.filter
Class InvertAlphaFilter
java.lang.Object
railo.runtime.img.filter.AbstractBufferedImageOp
railo.runtime.img.filter.PointFilter
railo.runtime.img.filter.InvertAlphaFilter
- All Implemented Interfaces:
- BufferedImageOp, Cloneable, DynFiltering
public class InvertAlphaFilter
- extends PointFilter
- implements DynFiltering
A Filter to invert the alpha channel of an image. This is really only useful for inverting selections, where we only use the alpha channel.
InvertAlphaFilter
public InvertAlphaFilter()
filterRGB
public int filterRGB(int x,
int y,
int rgb)
- Specified by:
filterRGB
in class PointFilter
toString
public String toString()
- Overrides:
toString
in class Object
filter
public BufferedImage filter(BufferedImage src,
Struct parameters)
throws PageException
- Specified by:
filter
in interface DynFiltering
- Overrides:
filter
in class PointFilter
- Throws:
PageException
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