RenderICEPdf.java

Document doc = new Document();
doc.setFile(url);

BufferredImage image = doc.getPageImage(pageNo, 
                           GraphicsRenderingHints.PRINT, 
                           Page.BOUNDARY_CROPBOX,
                           0f,    // rotation
                           1.0f); // scale
RenderedImage r = image;
ImageIO.write(r, "png", file);