int index = wb.addPicture(imgBytes.toByteArray(),imgType);
imgBytes.close();
fis.close();
HSSFClientAnchor anchor = new HSSFClientAnchor(dx1, dy1, dx2, dy2, (short) col, row, (short) colend, rowend);
Picture pict = drawing.createPicture(anchor, index);
//HSSFPatriarch patriarch = sheet.createDrawingPatriarch();
//patriarch.createPicture(anchor, index);
//anchor.setAnchorType(0);
}