/** Creates new Page from the parentInput's input stream.
* The next object in the input stream must be of this type.
*
* @param parentInput the parent RIFF object being used to read the input stream
*/
public static Page newInstance(Riff parentInput)
{
Riff riffInput = new Riff(parentInput, "LIST");
riffInput.requireFOURCC(RIFF_ID);
Page page = new Page(RiffPageHeader.newInstance(riffInput));
while (riffInput.getBytesRemaining() > 0) {
StaffSystem staffSystem;
if ((staffSystem = RiffStaffSystem.maybeNew(riffInput)) != null)
page.addSystem(staffSystem);
// debug: must check for NIFFFontSymbol, etc.
else
// Did not recognize the chunk type, so skip
riffInput.skipChunk();
}
return page;
}
/** Add the given Page to the page list. After adding, this also calls
* invalidate().
*
* @param page the Page to add. It is an error if
* this is already the child of an object.
* @throws HeirarchyException if the page has already
* been added as a child to another object.
* @see #invalidate
*/
public void addPage(Page page)
{
addChild(page);
invalidate();
}
