iTextSharp.text.pdf.intern.PdfXConformanceImp.CheckPDFXConformance C# (CSharp) Метод

        public static void CheckPDFXConformance(PdfWriter writer, int key, Object obj1)
        {
            if (writer == null || !writer.IsPdfX())
                return;
            int conf = writer.PDFXConformance;
            switch (key) {
                case PdfIsoKeys.PDFISOKEY_COLOR:
                    switch (conf) {
                        case PdfWriter.PDFX1A2001:
                            if (obj1 is ExtendedColor) {
                                ExtendedColor ec = (ExtendedColor)obj1;
                                switch (ec.Type) {
                                    case ExtendedColor.TYPE_CMYK:
                                    case ExtendedColor.TYPE_GRAY:
                                        return;
                                    case ExtendedColor.TYPE_RGB:
                                        throw new PdfXConformanceException(MessageLocalization.GetComposedMessage("colorspace.rgb.is.not.allowed"));
                                    case ExtendedColor.TYPE_SEPARATION:
                                        SpotColor sc = (SpotColor)ec;
                                        CheckPDFXConformance(writer, PdfIsoKeys.PDFISOKEY_COLOR, sc.PdfSpotColor.AlternativeCS);
                                        break;
                                    case ExtendedColor.TYPE_SHADING:
                                        ShadingColor xc = (ShadingColor)ec;
                                        CheckPDFXConformance(writer, PdfIsoKeys.PDFISOKEY_COLOR, xc.PdfShadingPattern.Shading.ColorSpace);
                                        break;
                                    case ExtendedColor.TYPE_PATTERN:
                                        PatternColor pc = (PatternColor)ec;
                                        CheckPDFXConformance(writer, PdfIsoKeys.PDFISOKEY_COLOR, pc.Painter.DefaultColor);
                                        break;
                                }
                            }
                            else if (obj1 is BaseColor)
                                throw new PdfXConformanceException(MessageLocalization.GetComposedMessage("colorspace.rgb.is.not.allowed"));
                            break;
                    }
                    break;
                case PdfIsoKeys.PDFISOKEY_CMYK:
                    break;
                case PdfIsoKeys.PDFISOKEY_RGB:
                    if (conf == PdfWriter.PDFX1A2001)
                        throw new PdfXConformanceException(MessageLocalization.GetComposedMessage("colorspace.rgb.is.not.allowed"));
                    break;
                case PdfIsoKeys.PDFISOKEY_FONT:
                    if (!((BaseFont)obj1).IsEmbedded())
                        throw new PdfXConformanceException(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 PdfXConformanceException(MessageLocalization.GetComposedMessage("the.smask.key.is.not.allowed.in.images"));
                    switch (conf) {
                        case PdfWriter.PDFX1A2001:
                            PdfObject cs = image.Get(PdfName.COLORSPACE);
                            if (cs == null)
                                return;
                            if (cs.IsName()) {
                                if (PdfName.DEVICERGB.Equals(cs))
                                    throw new PdfXConformanceException(MessageLocalization.GetComposedMessage("colorspace.rgb.is.not.allowed"));
                            }
                            else if (cs.IsArray()) {
                                if (PdfName.CALRGB.Equals(((PdfArray)cs)[0]))
                                    throw new PdfXConformanceException(MessageLocalization.GetComposedMessage("colorspace.calrgb.is.not.allowed"));
                            }
                            break;
                    }
                    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 PdfXConformanceException(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 PdfXConformanceException(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 PdfXConformanceException(MessageLocalization.GetComposedMessage("transparency.is.not.allowed.ca.eq.1", v));
                    break;
                case PdfIsoKeys.PDFISOKEY_LAYER:
                    throw new PdfXConformanceException(MessageLocalization.GetComposedMessage("layers.are.not.allowed"));
            }
        }