package railo.runtime.functions.image;
import javax.media.jai.operator.TransposeDescriptor;
import javax.media.jai.operator.TransposeType;
import railo.runtime.PageContext;
import railo.runtime.exp.FunctionException;
import railo.runtime.exp.PageException;
import railo.runtime.img.Image;
import railo.runtime.op.Caster;
public class ImageFlip {
public static String call(PageContext pc, Object name) throws PageException {
return call(pc,name,"vertical");
}
public static String call(PageContext pc, Object name, String strTranspose) throws PageException {
if(name instanceof String) name=pc.getVariable(Caster.toString(name));
Image img = Image.toImage(name);
strTranspose=strTranspose.toLowerCase().trim();
TransposeType transpose = TransposeDescriptor.FLIP_VERTICAL;
if("vertical".equals(strTranspose)) transpose=TransposeDescriptor.FLIP_VERTICAL;
else if("horizontal".equals(strTranspose)) transpose=TransposeDescriptor.FLIP_HORIZONTAL;
else if("diagonal".equals(strTranspose)) transpose=TransposeDescriptor.FLIP_DIAGONAL;
else if("antidiagonal".equals(strTranspose)) transpose=TransposeDescriptor.FLIP_ANTIDIAGONAL;
else if("anti diagonal".equals(strTranspose)) transpose=TransposeDescriptor.FLIP_ANTIDIAGONAL;
else if("anti-diagonal".equals(strTranspose)) transpose=TransposeDescriptor.FLIP_ANTIDIAGONAL;
else if("anti_diagonal".equals(strTranspose)) transpose=TransposeDescriptor.FLIP_ANTIDIAGONAL;
else if("90".equals(strTranspose)) transpose=TransposeDescriptor.ROTATE_90;
else if("180".equals(strTranspose)) transpose=TransposeDescriptor.ROTATE_180;
else if("270".equals(strTranspose)) transpose=TransposeDescriptor.ROTATE_270;
else throw new FunctionException(pc,"ImageFlip",2,"transpose","invalid transpose definition ["+strTranspose+"], " +
"valid transpose values are [vertical,horizontal,diagonal,90,180,270]");
img.flip(transpose);
return null;
}
}