Spire.PDF for Java supports detecting the orientation of a PDF page by comparing the value of page width and page height. This article shows how to use Spire.PDF for Java to accomplish this function.
import com.spire.pdf.PdfDocument;
import com.spire.pdf.PdfPageBase;
public class DetectPageOrientation {
public static void main(String[] args){
//Load PDF file
PdfDocument pdf = new PdfDocument();
pdf.loadFromFile("Fields.pdf");
//Get the first page
PdfPageBase page = pdf.getPages().get(0);
//Compare the value of page width and height
if (page.getSize().getWidth()> page.getSize().getHeight()){
System.out.println("The page orientation is Landscape");
}
else{
System.out.println("The page orientation is Portrait");
}
}
}
Output
