railo.runtime.img.filter
Class SaturationFilter
java.lang.Object
railo.runtime.img.filter.AbstractBufferedImageOp
railo.runtime.img.filter.PointFilter
railo.runtime.img.filter.SaturationFilter
- All Implemented Interfaces:
- BufferedImageOp, Cloneable, DynFiltering
public class SaturationFilter
- extends PointFilter
- implements DynFiltering
A filter to change the saturation of an image. This works by calculating a grayscale version of the image
and then extrapolating away from it.
amount
public float amount
SaturationFilter
public SaturationFilter()
- Construct a SaturationFilter.
SaturationFilter
public SaturationFilter(float amount)
- Construct a SaturationFilter.
The amount of saturation change.
setAmount
public void setAmount(float amount)
- Set the amount of saturation change. 1 leaves the image unchanged, values between 0 and 1 desaturate, 0 completely
desaturates it and values above 1 increase the saturation.
- Parameters:
amount
- the amount
getAmount
public float getAmount()
- Set the amount of saturation change.
- Returns:
- the amount
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
Copyright © 2012 Railo