package com.dotmarketing.image.filter;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import javax.imageio.ImageIO;
import com.dotmarketing.util.Logger;
import com.dotcms.repackage.com.dotmarketing.jhlabs.image.GammaFilter;
public class GammaImageFilter extends ImageFilter {
public String[] getAcceptedParameters() {
return new String[] { "g (double) between 0 and 3.0" };
}
public File runFilter(File file, Map<String, String[]> parameters) {
double g = parameters.get(getPrefix() + "g") != null ? Double.parseDouble(parameters.get(getPrefix() + "g")[0])
: 0.0;
float f = new Double(g).floatValue();
File resultFile = getResultsFile(file, parameters);
GammaFilter filter = new GammaFilter();
filter.setGamma(f);
if (!overwrite(resultFile, parameters)) {
return resultFile;
}
try {
BufferedImage src = ImageIO.read(file);
BufferedImage dst = filter.filter(src, null);
ImageIO.write(dst, "png", resultFile);
} catch (IOException e) {
Logger.error(this.getClass(), e.getMessage());
}
return resultFile;
}
}