/// <summary>Get the marked content id of the tag.</summary>
/// <returns>marked content id</returns>
/// <exception cref="System.InvalidOperationException">if there is no MCID</exception>
public virtual int GetMcid()
{
int mcid = -1;
if (properties != null)
{
mcid = (int)properties.GetAsInt(PdfName.MCID);
}
if (mcid == -1)
{
throw new InvalidOperationException("CanvasTag has no MCID");
}
return(mcid);
}
protected internal override void CheckAnnotation(PdfDictionary annotDic)
{
PdfName subtype = annotDic.GetAsName(PdfName.Subtype);
if (subtype == null)
{
throw new PdfAConformanceException(PdfAConformanceException.AnnotationType1IsNotPermitted).SetMessageParams
("null");
}
if (forbiddenAnnotations.Contains(subtype))
{
throw new PdfAConformanceException(PdfAConformanceException.AnnotationType1IsNotPermitted).SetMessageParams
(subtype.GetValue());
}
PdfNumber ca = annotDic.GetAsNumber(PdfName.CA);
if (ca != null && ca.FloatValue() != 1.0)
{
throw new PdfAConformanceException(PdfAConformanceException.AnAnnotationDictionaryShallNotContainTheCaKeyWithAValueOtherThan1
);
}
if (!annotDic.ContainsKey(PdfName.F))
{
throw new PdfAConformanceException(PdfAConformanceException.AnnotationShallContainKeyF);
}
int flags = (int)annotDic.GetAsInt(PdfName.F);
if (!CheckFlag(flags, PdfAnnotation.PRINT) || CheckFlag(flags, PdfAnnotation.HIDDEN) || CheckFlag(flags, PdfAnnotation
.INVISIBLE) || CheckFlag(flags, PdfAnnotation.NO_VIEW))
{
throw new PdfAConformanceException(PdfAConformanceException.TheFKeysPrintFlagBitShallBeSetTo1AndItsHiddenInvisibleAndNoviewFlagBitsShallBeSetTo0
);
}
if (subtype.Equals(PdfName.Text) && (!CheckFlag(flags, PdfAnnotation.NO_ZOOM) || !CheckFlag(flags, PdfAnnotation
.NO_ROTATE)))
{
throw new PdfAConformanceException(PdfAConformanceException.TextAnnotationsShouldSetTheNozoomAndNorotateFlagBitsOfTheFKeyTo1
);
}
if (annotDic.ContainsKey(PdfName.C) || annotDic.ContainsKey(PdfName.IC))
{
if (!ICC_COLOR_SPACE_RGB.Equals(pdfAOutputIntentColorSpace))
{
throw new PdfAConformanceException(PdfAConformanceException.DestoutputprofileInThePdfa1OutputintentDictionaryShallBeRgb
);
}
}
PdfDictionary ap = annotDic.GetAsDictionary(PdfName.AP);
if (ap != null)
{
if (ap.ContainsKey(PdfName.D) || ap.ContainsKey(PdfName.R))
{
throw new PdfAConformanceException(PdfAConformanceException.AppearanceDictionaryShallContainOnlyTheNKeyWithStreamValue
);
}
PdfStream n = ap.GetAsStream(PdfName.N);
if (n == null)
{
throw new PdfAConformanceException(PdfAConformanceException.AppearanceDictionaryShallContainOnlyTheNKeyWithStreamValue
);
}
CheckResourcesOfAppearanceStreams(ap);
}
if (PdfName.Widget.Equals(subtype) && (annotDic.ContainsKey(PdfName.AA) || annotDic.ContainsKey(PdfName.A)
))
{
throw new PdfAConformanceException(PdfAConformanceException.WidgetAnnotationDictionaryOrFieldDictionaryShallNotIncludeAOrAAEntry
);
}
if (annotDic.ContainsKey(PdfName.AA))
{
throw new PdfAConformanceException(PdfAConformanceException.AnAnnotationDictionaryShallNotContainAAKey);
}
if (CheckStructure(conformanceLevel))
{
if (contentAnnotations.Contains(subtype) && !annotDic.ContainsKey(PdfName.Contents))
{
throw new PdfAConformanceException(PdfAConformanceException.AnnotationOfType1ShouldHaveContentsKey).SetMessageParams
(subtype);
}
}
}
protected internal override void CheckAnnotation(PdfDictionary annotDic)
{
PdfName subtype = annotDic.GetAsName(PdfName.Subtype);
if (subtype == null)
{
throw new PdfAConformanceException(PdfAConformanceException.ANNOTATION_TYPE_0_IS_NOT_PERMITTED).SetMessageParams
("null");
}
if (forbiddenAnnotations.Contains(subtype))
{
throw new PdfAConformanceException(PdfAConformanceException.ANNOTATION_TYPE_0_IS_NOT_PERMITTED).SetMessageParams
(subtype.GetValue());
}
PdfNumber ca = annotDic.GetAsNumber(PdfName.CA);
if (ca != null && ca.FloatValue() != 1.0)
{
throw new PdfAConformanceException(PdfAConformanceException.AN_ANNOTATION_DICTIONARY_SHALL_NOT_CONTAIN_THE_CA_KEY_WITH_A_VALUE_OTHER_THAN_1
);
}
if (!annotDic.ContainsKey(PdfName.F))
{
throw new PdfAConformanceException(PdfAConformanceException.AN_ANNOTATION_DICTIONARY_SHALL_CONTAIN_THE_F_KEY
);
}
int flags = (int)annotDic.GetAsInt(PdfName.F);
if (!CheckFlag(flags, PdfAnnotation.PRINT) || CheckFlag(flags, PdfAnnotation.HIDDEN) || CheckFlag(flags, PdfAnnotation
.INVISIBLE) || CheckFlag(flags, PdfAnnotation.NO_VIEW))
{
throw new PdfAConformanceException(PdfAConformanceException.THE_F_KEYS_PRINT_FLAG_BIT_SHALL_BE_SET_TO_1_AND_ITS_HIDDEN_INVISIBLE_AND_NOVIEW_FLAG_BITS_SHALL_BE_SET_TO_0
);
}
if (subtype.Equals(PdfName.Text) && (!CheckFlag(flags, PdfAnnotation.NO_ZOOM) || !CheckFlag(flags, PdfAnnotation
.NO_ROTATE)))
{
throw new PdfAConformanceException(PdfAConformanceLogMessageConstant.TEXT_ANNOTATIONS_SHOULD_SET_THE_NOZOOM_AND_NOROTATE_FLAG_BITS_OF_THE_F_KEY_TO_1
);
}
if (annotDic.ContainsKey(PdfName.C) || annotDic.ContainsKey(PdfName.IC))
{
if (!ICC_COLOR_SPACE_RGB.Equals(pdfAOutputIntentColorSpace))
{
throw new PdfAConformanceException(PdfAConformanceException.DESTOUTPUTPROFILE_IN_THE_PDFA1_OUTPUTINTENT_DICTIONARY_SHALL_BE_RGB
);
}
}
PdfDictionary ap = annotDic.GetAsDictionary(PdfName.AP);
if (ap != null)
{
if (ap.ContainsKey(PdfName.D) || ap.ContainsKey(PdfName.R))
{
throw new PdfAConformanceException(PdfAConformanceException.APPEARANCE_DICTIONARY_SHALL_CONTAIN_ONLY_THE_N_KEY_WITH_STREAM_VALUE
);
}
PdfStream n = ap.GetAsStream(PdfName.N);
if (n == null)
{
throw new PdfAConformanceException(PdfAConformanceException.APPEARANCE_DICTIONARY_SHALL_CONTAIN_ONLY_THE_N_KEY_WITH_STREAM_VALUE
);
}
CheckResourcesOfAppearanceStreams(ap);
}
if (PdfName.Widget.Equals(subtype) && (annotDic.ContainsKey(PdfName.AA) || annotDic.ContainsKey(PdfName.A)
))
{
throw new PdfAConformanceException(PdfAConformanceException.WIDGET_ANNOTATION_DICTIONARY_OR_FIELD_DICTIONARY_SHALL_NOT_INCLUDE_A_OR_AA_ENTRY
);
}
if (annotDic.ContainsKey(PdfName.AA))
{
throw new PdfAConformanceException(PdfAConformanceException.AN_ANNOTATION_DICTIONARY_SHALL_NOT_CONTAIN_AA_KEY
);
}
if (CheckStructure(conformanceLevel))
{
if (contentAnnotations.Contains(subtype) && !annotDic.ContainsKey(PdfName.Contents))
{
throw new PdfAConformanceException(PdfAConformanceException.ANNOTATION_OF_TYPE_0_SHOULD_HAVE_CONTENTS_KEY)
.SetMessageParams(subtype.GetValue());
}
}
}
private int GetKeyLength(PdfDictionary encryptionDict)
{
int?keyLength = encryptionDict.GetAsInt(PdfName.Length);
return(keyLength != null ? (int)keyLength : 40);
}
internal static TrueTypeFont CreateFontProgram(PdfDictionary fontDictionary, CMapToUnicode toUnicode)
{
iText.Kernel.Font.DocTrueTypeFont fontProgram = new iText.Kernel.Font.DocTrueTypeFont(fontDictionary);
PdfDictionary fontDescriptor = fontDictionary.GetAsDictionary(PdfName.FontDescriptor);
FillFontDescriptor(fontProgram, fontDescriptor);
int dw = (fontDescriptor != null && fontDescriptor.ContainsKey(PdfName.DW)) ? (int)fontDescriptor.GetAsInt
(PdfName.DW) : 1000;
if (toUnicode != null)
{
IntHashtable widths = FontUtil.ConvertCompositeWidthsArray(fontDictionary.GetAsArray(PdfName.W));
fontProgram.avgWidth = 0;
foreach (int cid in toUnicode.GetCodes())
{
int width = widths.ContainsKey(cid) ? widths.Get(cid) : dw;
Glyph glyph = new Glyph(cid, width, toUnicode.Lookup(cid));
if (glyph.HasValidUnicode())
{
fontProgram.unicodeToGlyph[glyph.GetUnicode()] = glyph;
}
fontProgram.codeToGlyph[cid] = glyph;
fontProgram.avgWidth += width;
}
if (fontProgram.codeToGlyph.Count != 0)
{
fontProgram.avgWidth /= fontProgram.codeToGlyph.Count;
}
}
if (fontProgram.codeToGlyph.Get(0) == null)
{
fontProgram.codeToGlyph[0] = new Glyph(0, dw, -1);
}
return(fontProgram);
}