public static String ToString(this OrientationRequested value)
{
var fieldInfo = value.GetType().GetRuntimeField(value.ToString());
var descriptionAttributes = fieldInfo.GetCustomAttributes(
typeof(DisplayAttribute), false) as DisplayAttribute[];
if (descriptionAttributes != null && descriptionAttributes.Length > 0)
{
return(descriptionAttributes[0].Name);
}
else
{
return(value.ToString());
}
}
/// <summary>
/// Calculates a <code>PageFormat</code> with values consistent with those
/// supported by the current <code>PrintService</code> for this job
/// (ie the value returned by <code>getPrintService()</code>) and media,
/// printable area and orientation contained in <code>attributes</code>.
/// <para>
/// Calling this method does not update the job.
/// It is useful for clients that have a set of attributes obtained from
/// <code>printDialog(PrintRequestAttributeSet attributes)</code>
/// and need a PageFormat to print a Pageable object.
/// </para>
/// </summary>
/// <param name="attributes"> a set of printing attributes, for example obtained
/// from calling printDialog. If <code>attributes</code> is null a default
/// PageFormat is returned. </param>
/// <returns> a <code>PageFormat</code> whose settings conform with
/// those of the current service and the specified attributes.
/// @since 1.6 </returns>
public virtual PageFormat GetPageFormat(PrintRequestAttributeSet attributes)
{
PrintService service = PrintService;
PageFormat pf = DefaultPage();
if (service == null || attributes == null)
{
return(pf);
}
Media media = (Media)attributes.get(typeof(Media));
MediaPrintableArea mpa = (MediaPrintableArea)attributes.get(typeof(MediaPrintableArea));
OrientationRequested orientReq = (OrientationRequested)attributes.get(typeof(OrientationRequested));
if (media == null && mpa == null && orientReq == null)
{
return(pf);
}
Paper paper = pf.Paper;
/* If there's a media but no media printable area, we can try
* to retrieve the default value for mpa and use that.
*/
if (mpa == null && media != null && service.isAttributeCategorySupported(typeof(MediaPrintableArea)))
{
Object mpaVals = service.getSupportedAttributeValues(typeof(MediaPrintableArea), null, attributes);
if (mpaVals is MediaPrintableArea[] && ((MediaPrintableArea[])mpaVals).Length > 0)
{
mpa = ((MediaPrintableArea[])mpaVals)[0];
}
}
if (media != null && service.isAttributeValueSupported(media, null, attributes))
{
if (media is MediaSizeName)
{
MediaSizeName msn = (MediaSizeName)media;
MediaSize msz = MediaSize.getMediaSizeForName(msn);
if (msz != null)
{
double inch = 72.0;
double paperWid = msz.getX(MediaSize.INCH) * inch;
double paperHgt = msz.getY(MediaSize.INCH) * inch;
paper.SetSize(paperWid, paperHgt);
if (mpa == null)
{
paper.SetImageableArea(inch, inch, paperWid - 2 * inch, paperHgt - 2 * inch);
}
}
}
}
if (mpa != null && service.isAttributeValueSupported(mpa, null, attributes))
{
float[] printableArea = mpa.getPrintableArea(MediaPrintableArea.INCH);
for (int i = 0; i < printableArea.Length; i++)
{
printableArea[i] = printableArea[i] * 72.0f;
}
paper.SetImageableArea(printableArea[0], printableArea[1], printableArea[2], printableArea[3]);
}
if (orientReq != null && service.isAttributeValueSupported(orientReq, null, attributes))
{
int orient;
if (orientReq.Equals(OrientationRequested.REVERSE_LANDSCAPE))
{
orient = PageFormat.REVERSE_LANDSCAPE;
}
else if (orientReq.Equals(OrientationRequested.LANDSCAPE))
{
orient = PageFormat.LANDSCAPE;
}
else
{
orient = PageFormat.PORTRAIT;
}
pf.Orientation = orient;
}
pf.Paper = paper;
pf = ValidatePage(pf);
return(pf);
}
