package railo.runtime.functions.image;
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 ImageCopy {
public static Object call(PageContext pc, Object name, double x, double y, double width, double height) throws PageException {
if(name instanceof String) name=pc.getVariable(Caster.toString(name));
Image img = Image.toImage(name);
if (width < 0)
throw new FunctionException(pc,"ImageCopy",3,"width","width must contain a none negative value");
if (height < 0)
throw new FunctionException(pc,"ImageCopy",4,"height","width must contain a none negative value");
return img.copy((float)x, (float)y, (float)width, (float)height);
}
public static Object call(PageContext pc, Object name, double x, double y, double width, double height,double dx) throws PageException {
throw new FunctionException(pc,"ImageCopy",7,"dy","when you define dx, you have also to define dy");
}
public static Object call(PageContext pc, Object name, double x, double y, double width, double height, double dx, double dy) throws PageException {
if(dx==-999 && dy==-999){// -999 == default value for named argument
return call(pc, name, x, y, width, height);
}
if(dx==-999){// -999 == default value for named argument
throw new FunctionException(pc,"ImageCopy",6,"dx","when you define dy, you have also to define dx");
}
if(dy==-999){// -999 == default value for named argument
throw new FunctionException(pc,"ImageCopy",7,"dy","when you define dx, you have also to define dy");
}
if(name instanceof String) name=pc.getVariable(Caster.toString(name));
Image img = Image.toImage(name);
if (width < 0)
throw new FunctionException(pc,"ImageCopy",3,"width","width must contain a none negative value");
if (height < 0)
throw new FunctionException(pc,"ImageCopy",4,"height","width must contain a none negative value");
return img.copy((float)x, (float)y, (float)width, (float)height, (float)dx, (float)dy);
//return null;
}
}