iTextSharp.text.pdf.PdfWriter.IsPdfIso C# (CSharp) Méthode

        public virtual bool IsPdfIso()
        {
            return pdfIsoConformance.IsPdfIso();
        }

 /**
  *
  * @param writer
  * @param key
  * @param obj1
  */
 static public void CheckPdfAConformance(PdfWriter writer, int key, Object obj1) {
     if (writer == null || !writer.IsPdfIso())
         return;
     switch (key) {
         case PdfIsoKeys.PDFISOKEY_FONT:
             if (!((BaseFont)obj1).IsEmbedded())
                 throw new PdfAConformanceException(MessageLocalization.GetComposedMessage("all.the.fonts.must.be.embedded.this.one.isn.t.1", ((BaseFont) obj1).PostscriptFontName));
             break;
         case PdfIsoKeys.PDFISOKEY_IMAGE:
             PdfImage image = (PdfImage)obj1;
             if (image.Get(PdfName.SMASK) != null)
                 throw new PdfAConformanceException(MessageLocalization.GetComposedMessage("the.smask.key.is.not.allowed.in.images"));
             break;
         case PdfIsoKeys.PDFISOKEY_GSTATE:
             PdfDictionary gs = (PdfDictionary)obj1;
             PdfObject obj = gs.Get(PdfName.BM);
             if (obj != null && !PdfGState.BM_NORMAL.Equals(obj) && !PdfGState.BM_COMPATIBLE.Equals(obj))
                 throw new PdfAConformanceException(MessageLocalization.GetComposedMessage("blend.mode.1.not.allowed", obj.ToString()));
             obj = gs.Get(PdfName.CA);
             double v = 0.0;
             if (obj != null && (v = ((PdfNumber)obj).DoubleValue) != 1.0)
                 throw new PdfAConformanceException(MessageLocalization.GetComposedMessage("transparency.is.not.allowed.ca.eq.1", v));
             obj = gs.Get(PdfName.ca_);
             v = 0.0;
             if (obj != null && (v = ((PdfNumber)obj).DoubleValue) != 1.0)
                 throw new PdfAConformanceException(MessageLocalization.GetComposedMessage("transparency.is.not.allowed.ca.eq.1", v));
             break;
         case PdfIsoKeys.PDFISOKEY_LAYER:
             throw new PdfAConformanceException(MessageLocalization.GetComposedMessage("layers.are.not.allowed"));
         default:
             break;
     }
 }