PrintPreferences.java 文件源码

/**
 * Get an instance of {@link java.awt.print.PageFormat}.
 * @param pj {@link java.awt.print.PrinterJob} which is 
 * associated with the default printer.
 * @return an instance of <code>PageFormat</code> that describes the size and
 * orientation of a page to be printed.
 */
public static PageFormat getPageFormat(PrinterJob pj) {
    PageFormat pageFormat = null;
    pageFormat = pj.defaultPage();
    Paper p = pageFormat.getPaper();
    int pageOrientation = getPreferences().getInt(PROP_PAGE_ORIENTATION, pageFormat.getOrientation());
    double paperWidth = getPreferences().getDouble(PROP_PAGE_WIDTH, p.getWidth());
    double paperHeight = getPreferences().getDouble(PROP_PAGE_HEIGHT, p.getHeight());

    double iaWidth = getPreferences().getDouble(PROP_PAGE_IMAGEABLEAREA_WIDTH, p.getImageableWidth());
    double iaHeight = getPreferences().getDouble(PROP_PAGE_IMAGEABLEAREA_HEIGHT, p.getImageableHeight());
    double iaX = getPreferences().getDouble(PROP_PAGE_IMAGEABLEAREA_X, p.getImageableX());
    double iaY = getPreferences().getDouble(PROP_PAGE_IMAGEABLEAREA_Y, p.getImageableY());

    pageFormat.setOrientation(pageOrientation);
    p.setSize(paperWidth, paperHeight);
    p.setImageableArea(iaX, iaY, iaWidth, iaHeight);
    pageFormat.setPaper(p);
    return pageFormat;
}