/**
* For any given paper, this retrieves the hardware margins, or a reasonable and safe guess if
* they aren't available.
*/
public Rectangle2D printableArea(Paper paper) {
int INCH = MediaSize.INCH;
Rectangle2D area = null;
MediaSizeName msn =
MediaSize.findMedia(
(float) paper.getWidth(), (float) paper.getHeight(), (int) (INCH / 72.0));
if (msn != null) {
PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet();
pras.add(msn);
MediaPrintableArea[] mpa =
(MediaPrintableArea[])
service.getSupportedAttributeValues(MediaPrintableArea.class, null, pras);
if (mpa != null && mpa.length > 0) {
int MPA_INCH = MediaPrintableArea.INCH;
area =
new Rectangle2D(
mpa[0].getX(MPA_INCH),
mpa[0].getY(MPA_INCH),
mpa[0].getWidth(MPA_INCH),
mpa[0].getHeight(MPA_INCH));
}
}
// If we could not get the area for whatever reason,
// then go with 0.75" margins unless they are too large
// ie its a really small paper.
if (area == null) {
double pw = (paper.getWidth() / 72.0);
;
double ph = (paper.getHeight() / 72.0);
double iw, ih;
if (pw < 3.0) {
iw = 0.75 * pw;
} else {
iw = pw - 1.5;
}
if (ph < 3.0) {
ih = 0.75 * ph;
} else {
ih = ph - 1.5;
}
double lm = (pw - iw) / 2.0;
double tm = (ph - ih) / 2.0;
area = new Rectangle2D(lm, tm, iw, ih);
}
return area;
}
