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.RotateFilter;
public class RotateImageFilter extends ImageFilter {
public String[] getAcceptedParameters() {
return new String[] { "a for angle (double) 0.00-359.99 degrees to rotate",
};
}
public File runFilter(File file, Map<String, String[]> parameters) {
double a = parameters.get(getPrefix() + "a") != null ? Double.parseDouble(parameters.get(getPrefix() + "a")[0])
: 0.0;
a = a*-1;
File resultFile = getResultsFile(file, parameters);
if (!overwrite(resultFile, parameters)) {
return resultFile;
}
float x = new Double(java.lang.Math.toRadians(a)).floatValue();
RotateFilter filter = new RotateFilter(x, true);
filter.setEdgeAction(RotateFilter.ZERO);
try {
BufferedImage src = ImageIO.read(file);
// int w = java.lang.Math.c
BufferedImage testpass = filter.filter(src, null);
BufferedImage dst = new BufferedImage(testpass.getWidth(), testpass.getHeight(),
BufferedImage.TYPE_INT_ARGB);
dst = filter.filter(src, dst);
/*
* byte alpha =(byte)0; alpha %= 0xff; for (int cx=0;cx<dst.getWidth();cx++) { for (int
* cy=0;cy<dst.getHeight();cy++) { int color = dst.getRGB(cx, cy);
*
* int mc = (alpha << 24) | 0x00ffffff; int newcolor = color & mc; finalas.setRGB(cx, cy, newcolor);
*
* }
*
* }
*/
ImageIO.write(dst, "png", resultFile);
} catch (IOException e) {
Logger.error(this.getClass(), e.getMessage());
}
return resultFile;
}
}