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package com.jme3.post.filters;
import com.jme3.asset.AssetManager;
import com.jme3.material.Material;
import com.jme3.post.Filter;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.ViewPort;
/**
*
* @author Phate666
* @version 1.0 initial version
* @version 1.1 added luma
*/
public class GammaCorrectionFilter extends Filter
{
private float gamma = 2.0f;
private boolean computeLuma = false;
public GammaCorrectionFilter()
{
super("GammaCorrectionFilter");
}
public GammaCorrectionFilter(float gamma)
{
this();
this.setGamma(gamma);
}
@Override
protected Material getMaterial()
{
return material;
}
@Override
protected void initFilter(AssetManager manager,
RenderManager renderManager, ViewPort vp, int w, int h)
{
material = new Material(manager,
"Common/MatDefs/Post/GammaCorrection.j3md");
material.setFloat("gamma", gamma);
material.setBoolean("computeLuma", computeLuma);
}
public float getGamma()
{
return gamma;
}
/**
* set to 0.0 to disable gamma correction
* @param gamma
*/
public void setGamma(float gamma)
{
if (material != null)
{
material.setFloat("gamma", gamma);
}
this.gamma = gamma;
}
public boolean isComputeLuma()
{
return computeLuma;
}
public void setComputeLuma(boolean computeLuma)
{
if (material != null)
{
material.setBoolean("computeLuma", computeLuma);
}
this.computeLuma = computeLuma;
}
}
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