package railo.runtime.functions.image;
import java.awt.RenderingHints;
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 ImageTranslate {
public static String call(PageContext pc, Object name, double xTrans, double yTrans) throws PageException {
return call(pc, name, xTrans, yTrans,"nearest");
}
public static String call(PageContext pc, Object name, double xTrans, double yTrans, String strInterpolation) throws PageException {
if(name instanceof String) name=pc.getVariable(Caster.toString(name));
Image img = Image.toImage(name);
strInterpolation=strInterpolation.toLowerCase().trim();
Object interpolation = RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR;
if("nearest".equals(strInterpolation)) interpolation = RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR;
else if("bilinear".equals(strInterpolation)) interpolation = RenderingHints.VALUE_INTERPOLATION_BILINEAR;
else if("bicubic".equals(strInterpolation)) interpolation = RenderingHints.VALUE_INTERPOLATION_BICUBIC;
else throw new FunctionException(pc,"ImageTranslate",4,"interpolation","invalid interpolation definition ["+strInterpolation+"], " +
"valid interpolation values are [nearest,bilinear,bicubic]");
img.translate((int)xTrans, (int)yTrans,interpolation);
return null;
}
}