Fix issue on signature if saved position "Rectangle" class is rounded to int....

Fix issue on signature if saved position "Rectangle" class is rounded to int. Switch to Rectangle2D.Float to save stamp position to float

iparapheur-core/src/main/java/coop/libriciel/crypto/service/PdfStampPositionService.java

@@ -31,7 +31,7 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.PostConstruct;
-import java.awt.*;
+import java.awt.geom.Rectangle2D;
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -238,10 +238,10 @@ public class PdfStampPositionService {
 
         // Getting metadata
 
-        java.awt.Rectangle customCoordinatesRectangle = null;
+        Rectangle2D.Float customCoordinatesRectangle = null;
         Integer customPage = null;
         try {
-            customCoordinatesRectangle = (java.awt.Rectangle) serviceRegistry.getNodeService().getProperty(documentRef, position);
+            customCoordinatesRectangle = (Rectangle2D.Float) serviceRegistry.getNodeService().getProperty(documentRef, position);
             customPage = (Integer) serviceRegistry.getNodeService().getProperty(documentRef, page);
         } catch (ClassCastException | InvalidNodeRefException ex) {
             log.debug("Invalid PAdES custom signature location : ", ex);
@@ -308,11 +308,11 @@ public class PdfStampPositionService {
      * Saves already fetched x, y, ... from document #signature# tag to metadata.
      */
     private void savePdfSignatureTagToMetadata(PdfSignatureStamp stamp, NodeRef documentRef) {
-        java.awt.Rectangle rectangle = new Rectangle();
-        rectangle.x = (int) stamp.getX();
-        rectangle.y = (int) stamp.getY();
-        rectangle.width = (int) stamp.getWidth();
-        rectangle.height = (int) stamp.getHeight();
+        Rectangle2D.Float rectangle = new Rectangle2D.Float();
+        rectangle.x = stamp.getX();
+        rectangle.y = stamp.getY();
+        rectangle.width = stamp.getWidth();
+        rectangle.height = stamp.getHeight();
 
         serviceRegistry.getNodeService().setProperty(documentRef, ParapheurModel.PROP_SIGNATURE_TAG_POSITION_RECTANGLE, rectangle);
         serviceRegistry.getNodeService().setProperty(documentRef, ParapheurModel.PROP_SIGNATURE_TAG_PAGE_NUMBER, stamp.getPage());