output: #fixed code
                                  @Override
      public LayoutResult layout(LayoutContext layoutContext) {
          LayoutArea area = layoutContext.getArea();
          Rectangle layoutBox = area.getBBox();
          occupiedArea = new LayoutArea(area.getPageNumber(), new Rectangle(layoutBox.getX(), layoutBox.getY() + layoutBox.getHeight(), 0, 0));
  
          width = getPropertyAsFloat(Property.WIDTH);
          Float angle = getPropertyAsFloat(Property.IMAGE_ROTATION_ANGLE);
  
          PdfXObject xObject = ((Image) (getModelElement())).getXObject();
          imageWidth = xObject.getWidth();
          imageHeight = xObject.getHeight();
  
          width = width == null ? imageWidth : width;
          height = width / imageWidth * imageHeight;
  
          fixedXPosition = getPropertyAsFloat(Property.X);
          fixedYPosition = getPropertyAsFloat(Property.Y);
  
          Float horizontalScaling = getPropertyAsFloat(Property.HORIZONTAL_SCALING);
          Float verticalScaling = getPropertyAsFloat(Property.VERTICAL_SCALING);
  
          AffineTransform t = new AffineTransform();
  
          if (xObject instanceof PdfFormXObject && width != imageWidth) {
              horizontalScaling *= width / imageWidth;
              verticalScaling *= height / imageHeight;
          }
  
          if (horizontalScaling != 1) {
              if (xObject instanceof PdfFormXObject) {
                  t.scale(horizontalScaling, 1);
              }
              width *= horizontalScaling;
          }
          if (verticalScaling != 1) {
              if (xObject instanceof PdfFormXObject) {
                  t.scale(1, verticalScaling);
              }
              height *= verticalScaling;
          }
  
          float imageItselfScaledWidth = width;
          float imageItselfScaledHeight = height;
  
          if (angle != null) {
              t.rotate(angle);
              adjustPositionAfterRotation(angle);
          }
  
          getMatrix(t, imageItselfScaledWidth, imageItselfScaledHeight);
  
          if (width > layoutBox.getWidth()){
              return new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this);
          }
          if (height > layoutBox.getHeight()){
              return new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this);
          }
  
          occupiedArea.getBBox().moveDown(height);
          occupiedArea.getBBox().setHeight(height);
          occupiedArea.getBBox().setWidth(width);
  
          Float mx = getProperty(Property.X_DISTANCE);
          Float my = getProperty(Property.Y_DISTANCE);
          if (mx != null && my != null) {
              translateImage(mx, my, t);
              getMatrix(t, imageItselfScaledWidth, imageItselfScaledHeight);
          }
  
          if (fixedXPosition != null && fixedYPosition != null) {
              occupiedArea.getBBox().setWidth(0);
              occupiedArea.getBBox().setHeight(0);
          }
  
          return new LayoutResult(LayoutResult.FULL, occupiedArea, null, null);
      }
input: #vulnerable code 
                                  @Override
      public LayoutResult layout(LayoutContext layoutContext) {
          LayoutArea area = layoutContext.getArea();
          Rectangle layoutBox = area.getBBox();
          occupiedArea = new LayoutArea(area.getPageNumber(), new Rectangle(layoutBox.getX(), layoutBox.getY() + layoutBox.getHeight(), 0, 0));
  
          width = getPropertyAsFloat(Property.WIDTH);
          Float angle = getPropertyAsFloat(Property.IMAGE_ROTATION_ANGLE);
  
          PdfXObject xObject = ((Image) (getModelElement())).getXObject();
          if (xObject instanceof PdfImageXObject) {
              imageWidth = ((PdfImageXObject)xObject).getWidth();
              imageHeight = ((PdfImageXObject)xObject).getHeight();
          } else {
              imageWidth = xObject.getPdfObject().getAsArray(PdfName.BBox).getAsFloat(2);
              imageHeight = xObject.getPdfObject().getAsArray(PdfName.BBox).getAsFloat(3);
          }
  
          width = width == null ? imageWidth : width;
          height = width / imageWidth * imageHeight;
  
          fixedXPosition = getPropertyAsFloat(Property.X);
          fixedYPosition = getPropertyAsFloat(Property.Y);
  
          Float horizontalScaling = getPropertyAsFloat(Property.HORIZONTAL_SCALING);
          Float verticalScaling = getPropertyAsFloat(Property.VERTICAL_SCALING);
  
          AffineTransform t = new AffineTransform();
  
          if (xObject instanceof PdfFormXObject && width != imageWidth) {
              horizontalScaling *= width / imageWidth;
              verticalScaling *= height / imageHeight;
          }
  
          if (horizontalScaling != 1) {
              if (xObject instanceof PdfFormXObject) {
                  t.scale(horizontalScaling, 1);
              }
              width *= horizontalScaling;
          }
          if (verticalScaling != 1) {
              if (xObject instanceof PdfFormXObject) {
                  t.scale(1, verticalScaling);
              }
              height *= verticalScaling;
          }
  
          float imageItselfScaledWidth = width;
          float imageItselfScaledHeight = height;
  
          if (angle != null) {
              t.rotate(angle);
              adjustPositionAfterRotation(angle);
          }
  
          getMatrix(t, imageItselfScaledWidth, imageItselfScaledHeight);
  
          if (width > layoutBox.getWidth()){
              return new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this);
          }
          if (height > layoutBox.getHeight()){
              return new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this);
          }
  
          occupiedArea.getBBox().moveDown(height);
          occupiedArea.getBBox().setHeight(height);
          occupiedArea.getBBox().setWidth(width);
  
          Float mx = getProperty(Property.X_DISTANCE);
          Float my = getProperty(Property.Y_DISTANCE);
          if (mx != null && my != null) {
              translateImage(mx, my, t);
              getMatrix(t, imageItselfScaledWidth, imageItselfScaledHeight);
          }
  
          if (fixedXPosition != null && fixedYPosition != null) {
              occupiedArea.getBBox().setWidth(0);
              occupiedArea.getBBox().setHeight(0);
          }
  
          return new LayoutResult(LayoutResult.FULL, occupiedArea, null, null);
      } 
                              #location 16 
                              #vulnerability type NULL_DEREFERENCE