/**
* returns an Image representing the given page.
* @param ra the file or array containing the image
* @param page the page number of the image
* @return an Image object
*/
public static Image GetJbig2Image(RandomAccessFileOrArray ra, int page) {
if (page < 1)
throw new ArgumentException(MessageLocalization.GetComposedMessage("the.page.number.must.be.gt.eq.1"));
JBIG2SegmentReader sr = new JBIG2SegmentReader(ra);
sr.Read();
JBIG2SegmentReader.JBIG2Page p = sr.GetPage(page);
Image img = new ImgJBIG2(p.pageBitmapWidth, p.pageBitmapHeight, p.GetData(true), sr.GetGlobal(true));
return img;
}
/**
* Creates a JBIG2 Image.
* @param width the width of the image
* @param height the height of the image
* @param data the raw image data
* @param globals JBIG2 globals
* @since 2.1.5
*/
public static Image GetInstance(int width, int height, byte[] data, byte[] globals) {
Image img = new ImgJBIG2(width, height, data, globals);
return img;
}
/**
* returns an Image representing the given page.
* @param ra the file or array containing the image
* @param page the page number of the image
* @return an Image object
*/
public static Image GetJbig2Image(RandomAccessFileOrArray ra, int page)
{
if (page < 1)
throw new ArgumentException("The page number must be >= 1.");
JBIG2SegmentReader sr = new JBIG2SegmentReader(ra);
sr.Read();
JBIG2SegmentReader.JBIG2Page p = sr.GetPage(page);
Image img = new ImgJBIG2(p.pageBitmapWidth, p.pageBitmapHeight, p.GetData(true), sr.GetGlobal(true));
return img;
}