/**
* The specified dimensions are used to locate a matching MediaSize instance from amongst all the
* standard MediaSize instances. If there is no exact match, the closest match is used.
*
* <p>The MediaSize is in turn used to locate the MediaSizeName object. This method may return
* null if the closest matching MediaSize has no corresponding Media instance.
*
* <p>This method is useful for clients which have only dimensions and want to find a Media which
* corresponds to the dimensions.
*
* @param x - X dimension
* @param y - Y dimension.
* @param units Unit conversion factor, e.g. <CODE>Size2DSyntax.INCH</CODE> or <CODE>
* Size2DSyntax.MM</CODE>
* @return MediaSizeName matching these dimensions, or null.
* @exception IllegalArgumentException if x <= 0, y <= 0, or units < 1
*/
public static MediaSizeName findMedia(float x, float y, int units) {
MediaSize match = MediaSize.ISO.A4;
if (x <= 0.0f || y <= 0.0f || units < 1) {
throw new IllegalArgumentException("args must be +ve values");
}
double ls = x * x + y * y;
double tmp_ls;
float[] dim;
float diffx = x;
float diffy = y;
for (int i = 0; i < sizeVector.size(); i++) {
MediaSize mediaSize = (MediaSize) sizeVector.elementAt(i);
dim = mediaSize.getSize(units);
if (x == dim[0] && y == dim[1]) {
match = mediaSize;
break;
} else {
diffx = x - dim[0];
diffy = y - dim[1];
tmp_ls = diffx * diffx + diffy * diffy;
if (tmp_ls < ls) {
ls = tmp_ls;
match = mediaSize;
}
}
}
return match.getMediaSizeName();
}
