protected void SaveFontDescriptor(TPdfStream DataStream, int FontDescriptorId, TXRefSection XRef, bool Embed, bool Subset)
{
XRef.SetObjectOffset(FontDescriptorId, DataStream);
TIndirectRecord.SaveHeader(DataStream, FontDescriptorId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.FontDescriptorName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FontNameName, GetFontName(Embed, Subset));
string BBox =
TPdfTokens.GetString(TPdfToken.OpenArray) +
FTrueTypeData.BoundingBox.GetBBox(FTrueTypeData.UnitsPerEm) +
TPdfTokens.GetString(TPdfToken.CloseArray);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FontBBoxName, BBox);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FontAscentName, (int)Math.Round(FTrueTypeData.Ascent * 1000F / FTrueTypeData.UnitsPerEm));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FontDescentName, (int)Math.Round(FTrueTypeData.Descent * 1000F / FTrueTypeData.UnitsPerEm));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.CapHeightName, (int)Math.Round(FTrueTypeData.CapHeight * 1000F / FTrueTypeData.UnitsPerEm));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ItalicAngleName, FTrueTypeData.ItalicAngle.ToString(CultureInfo.InvariantCulture));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.StemVName, 80); //StemV info is not present on a true type font. 80 seems to be what adobe writes.
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FlagsName, FTrueTypeData.FontFlags);
if (Embed)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FontFile2Name, TIndirectRecord.GetCallObj(EmbeddedData.GetStreamId(DataStream, XRef)));
}
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
EmbeddedData.WriteFont(DataStream, XRef, FCompress);
}
public static void SetFlateDecode(TPdfStream DataStream)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FilterName,
TPdfTokens.GetString(TPdfToken.OpenArray) +
TPdfTokens.GetString(TPdfToken.FlateDecodeName) +
TPdfTokens.GetString(TPdfToken.CloseArray));
}
public override void WriteFontObject(TPdfStream DataStream, TXRefSection XRef)
{
XRef.SetObjectOffset(FontObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, FontObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.FontName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SubtypeName, FontType());
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BaseFontName, GetFontName(Embed, Subset));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.EncodingName, EncodingType());
long fc = FirstChar; if (fc < 0)
{
fc = 0;
}
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FirstCharName, PdfConv.LongToString(fc));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LastCharName, PdfConv.LongToString(LastChar));
XRef.SetObjectOffset(FontDescriptorId, DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FontDescriptorName, TIndirectRecord.GetCallObj(FontDescriptorId));
SaveWidths(DataStream);
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
SaveFontDescriptor(DataStream, FontDescriptorId, XRef, Embed, Subset);
}
private void SavePatterns(TPdfStream DataStream, TXRefSection XRef)
{
int HatchCount = HatchPatterns.Count;
int ImageTextureCount = ImageTexturePatterns.Count;
int GradientCount = GradientPatterns.Count;
if (HatchCount + GradientCount + ImageTextureCount <= 0) return;
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.PatternName));
TDictionaryRecord.BeginDictionary(DataStream);
for (int i = 0; i < HatchCount; i++)
{
HatchPatterns[i].WritePattern(DataStream, XRef);
}
for (int i = 0; i < ImageTextureCount; i++)
{
ImageTexturePatterns[i].WritePattern(DataStream, XRef);
}
for (int i = 0; i < GradientCount; i++)
{
GradientPatterns[i].WritePattern(DataStream, XRef);
}
TDictionaryRecord.EndDictionary(DataStream);
if (HatchCount <= 0) return;
//Pattern color space
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.ColorSpaceName));
TDictionaryRecord.BeginDictionary(DataStream);
PatternColorSpaceId = TPdfHatch.WriteColorSpace(DataStream, XRef);
TDictionaryRecord.EndDictionary(DataStream);
}
internal static void SaveToStream(TPdfStream DataStream, TXRefSection XRef, int CatalogId, int PagesId, int BookmarksId, int AcroFormId, int PermsId, TPdfToken PageLayout)
{
XRef.SetObjectOffset(CatalogId, DataStream);
TIndirectRecord.SaveHeader(DataStream, CatalogId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.CatalogName));
SaveKey(DataStream, TPdfToken.PagesName, TIndirectRecord.GetCallObj(PagesId));
if (BookmarksId >= 0)
{
SaveKey(DataStream, TPdfToken.OutlinesName, TIndirectRecord.GetCallObj(BookmarksId));
}
if (PageLayout != TPdfToken.None)
{
SaveKey(DataStream, TPdfToken.PageModeName, TPdfTokens.GetString(PageLayout));
}
if (AcroFormId >= 0)
{
SaveKey(DataStream, TPdfToken.AcroFormName, TIndirectRecord.GetCallObj(AcroFormId));
}
if (PermsId >= 0)
{
SaveKey(DataStream, TPdfToken.PermsName, TIndirectRecord.GetCallObj(PermsId));
}
EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
}
internal void SaveBookmarks(TPdfStream DataStream, TXRefSection XRef, int OutlinesId)
{
if (OutlinesId < 0)
{
return;
}
int FirstId = -1;
int LastId = -1;
int NextId = XRef.GetNewObject(DataStream);
int AllOpenCount = 0;
SaveBookmarkObjects(DataStream, XRef, Bookmarks, OutlinesId, NextId, ref FirstId, ref LastId, ref AllOpenCount);
XRef.SetObjectOffset(OutlinesId, DataStream);
TIndirectRecord.SaveHeader(DataStream, OutlinesId);
TDictionaryRecord.BeginDictionary(DataStream);
if (FirstId >= 0)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FirstName, TIndirectRecord.GetCallObj(FirstId));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LastName, TIndirectRecord.GetCallObj(LastId)); //LastId must be positive if FirstId is positive.
}
if (AllOpenCount > 0)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.CountName, AllOpenCount);
}
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
}
public void WriteGStateObject(TPdfStream DataStream, TXRefSection XRef)
{
XRef.SetObjectOffset(GStateObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, GStateObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.ExtGStateName));
TDictionaryRecord.SaveKey(DataStream, Operator, PdfConv.CoordsToString(Alpha / 255.0));
if (SMask != null)
{
SMaskObjId = XRef.GetNewObject(DataStream);
TDictionaryRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.SMaskName));
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.MaskName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SName, TPdfTokens.GetString(TPdfToken.AlphaName));
TDictionaryRecord.Write(DataStream, TPdfTokens.GetString(TPdfToken.GName) + " ");
TIndirectRecord.CallObj(DataStream, SMaskObjId);
TDictionaryRecord.EndDictionary(DataStream);
}
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
if (SMask != null)
{
WriteSMaskObject(DataStream, XRef);
}
}
private void WriteShadingDictionary(TPdfStream DataStream, TXRefSection XRef)
{
TDictionaryRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.ShadingName));
TDictionaryRecord.BeginDictionary(DataStream);
if (GradientType == TGradientType.Axial)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ShadingTypeName, "2");
}
else
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ShadingTypeName, "3");
}
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ColorSpaceName, TPdfTokens.GetString(TPdfToken.DeviceRGBName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ExtendName, TPdfTokens.GetString(TPdfToken.OpenArray) + "true true" + TPdfTokens.GetString(TPdfToken.CloseArray));
if (GradientType == TGradientType.Axial)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.CoordsName, GetCoords());
}
else
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.CoordsName, GetRadialCoords());
}
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FunctionName, TIndirectRecord.GetCallObj(BlendFunction.GetFunctionObjId(DataStream, XRef)));
TDictionaryRecord.EndDictionary(DataStream);
}
public void WritePatternObject(TPdfStream DataStream, TXRefSection XRef)
{
byte[] PatternDef = GetPatternDef();
XRef.SetObjectOffset(PatternObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, PatternObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.PatternName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.PatternTypeName, "1");
TDictionaryRecord.SaveKey(DataStream, TPdfToken.PaintTypeName, "1");
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TilingTypeName, "2");
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BBoxName, String.Format(CultureInfo.InvariantCulture, "[0 0 {0} {1}]", ImgWidth, ImgHeight));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.XStepName, PdfConv.CoordsToString(ImgWidth));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.YStepName, PdfConv.CoordsToString(ImgHeight));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.MatrixName, PdfConv.ToString(PatternMatrix, true));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LengthName, PatternDef.Length);
TDictionaryRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.ResourcesName));
TDictionaryRecord.BeginDictionary(DataStream);
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.XObjectName));
TDictionaryRecord.BeginDictionary(DataStream);
ImageDef.WriteImage(DataStream, XRef);
TDictionaryRecord.EndDictionary(DataStream);
TDictionaryRecord.EndDictionary(DataStream);
TDictionaryRecord.EndDictionary(DataStream);
TStreamRecord.BeginSave(DataStream);
DataStream.Write(PatternDef);
TStreamRecord.EndSave(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
ImageDef.WriteImageObject(DataStream, XRef);
}
protected override void SaveExtraKeys(TPdfStream DataStream, TXRefSection XRef, bool Compress)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FunctionsName,
TPdfTokens.GetString(TPdfToken.OpenArray) + FunctionCalls(DataStream, XRef) + TPdfTokens.GetString(TPdfToken.CloseArray));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BoundsName, PdfConv.ToString(Bounds, true));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.EncodeName, PdfConv.ToString(Encode, true));
}
public void WritePatternObject(TPdfStream DataStream, TXRefSection XRef)
{
int MatrixSize;
byte[] PatternDef = GetPattern(out MatrixSize);
XRef.SetObjectOffset(PatternObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, PatternObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.PatternName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.PatternTypeName, "1");
TDictionaryRecord.SaveKey(DataStream, TPdfToken.PaintTypeName, "2");
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TilingTypeName, "2");
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BBoxName, String.Format(CultureInfo.InvariantCulture, "[0 0 {0} {0}]", MatrixSize));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.XStepName, MatrixSize.ToString(CultureInfo.InvariantCulture));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.YStepName, MatrixSize.ToString(CultureInfo.InvariantCulture));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LengthName, PatternDef.Length);
TDictionaryRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.ResourcesName));
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.EndDictionary(DataStream);
TDictionaryRecord.EndDictionary(DataStream);
TStreamRecord.BeginSave(DataStream);
DataStream.Write(PatternDef);
TStreamRecord.EndSave(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
}
internal void SaveResourceDesc(TPdfStream DataStream, TXRefSection XRef, bool IncludeDict)
{
if (IncludeDict) TDictionaryRecord.BeginDictionary(DataStream);
SaveFonts(DataStream, XRef);
SaveImages(DataStream, XRef);
SavePatterns(DataStream, XRef);
SaveGStates(DataStream, XRef);
if (IncludeDict) TDictionaryRecord.EndDictionary(DataStream);
}
public static void WriteColorSpaceObject(TPdfStream DataStream, TXRefSection XRef, int ColorSpaceId)
{
XRef.SetObjectOffset(ColorSpaceId, DataStream);
TIndirectRecord.SaveHeader(DataStream, ColorSpaceId);
TPdfBaseRecord.Write(DataStream, TPdfTokens.GetString(TPdfToken.OpenArray));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.PatternName, TPdfTokens.GetString(TPdfToken.DeviceRGBName));
TPdfBaseRecord.Write(DataStream, TPdfTokens.GetString(TPdfToken.CloseArray));
TIndirectRecord.SaveTrailer(DataStream);
}
protected override void SaveExtraKeys(TPdfStream DataStream, TXRefSection XRef, bool Compress)
{
Debug.Assert(DataStream.Compress == false); //It shouldn't be turned on at this place.
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LengthName, FunctionData(Compress).Length.ToString(CultureInfo.InvariantCulture));
if (NeedsCompression(Compress))
{
TStreamRecord.SetFlateDecode(DataStream);
}
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SizeName, PdfConv.ToString(Size, true));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BitsPerSampleName, 8);
}
private void SaveGStates(TPdfStream DataStream, TXRefSection XRef)
{
int aCount = GStates.Count;
if (aCount <= 0) return;
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.ExtGStateName));
TDictionaryRecord.BeginDictionary(DataStream);
for (int i = 0; i < aCount; i++)
{
GStates[i].WriteGState(DataStream, XRef);
}
TDictionaryRecord.EndDictionary(DataStream);
}
public override void WriteFontObject(TPdfStream DataStream, TXRefSection XRef)
{
XRef.SetObjectOffset(FontObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, FontObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.FontName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SubtypeName, TPdfTokens.GetString(TPdfToken.Type1Name));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BaseFontName, GetFontName());
TDictionaryRecord.SaveKey(DataStream, TPdfToken.EncodingName, EncodingType());
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
}
public void WritePatternObject(TPdfStream DataStream, TXRefSection XRef)
{
XRef.SetObjectOffset(PatternObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, PatternObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.PatternName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.PatternTypeName, "2");
TDictionaryRecord.SaveKey(DataStream, TPdfToken.MatrixName, DrawingMatrix);
WriteShadingDictionary(DataStream, XRef);
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
}
public static void BeginSave(TPdfStream DataStream, int LengthId, bool Compress, int Length1)
{
TDictionaryRecord.BeginDictionary(DataStream);
Write(DataStream, TPdfTokens.GetString(TPdfToken.LengthName) + " ");
TIndirectRecord.CallObj(DataStream, LengthId);
if (Length1 >= 0)
{
WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.Length1Name) + " " + Length1.ToString(CultureInfo.InvariantCulture));
}
if (Compress)
{
SetFlateDecode(DataStream);
}
TDictionaryRecord.EndDictionary(DataStream);
BeginSave(DataStream);
}
//For unicode fonts, we actually need to write 2 fonts, one type 0 and one CID.
public override void WriteFontObject(TPdfStream DataStream, TXRefSection XRef)
{
//Save Type 0 Font.
XRef.SetObjectOffset(FontObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, FontObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.FontName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SubtypeName, TPdfTokens.GetString(TPdfToken.Type0Name));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BaseFontName, GetFontName(true, Subset));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.EncodingName, EncodingType());
XRef.SetObjectOffset(CIDFontId, DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.DescendantFontsName,
TPdfTokens.GetString(TPdfToken.OpenArray) + TIndirectRecord.GetCallObj(CIDFontId) + TPdfTokens.GetString(TPdfToken.CloseArray));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ToUnicodeName, TIndirectRecord.GetCallObj(ToUnicodeId));
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
//Save CID Font.
XRef.SetObjectOffset(CIDFontId, DataStream);
TIndirectRecord.SaveHeader(DataStream, CIDFontId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.FontName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SubtypeName, TPdfTokens.GetString(TPdfToken.CIDFontType2Name));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BaseFontName, GetFontName(true, Subset));
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.CIDSystemInfo));
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.CIDToGIDMap));
SaveWidths(DataStream);
XRef.SetObjectOffset(FontDescriptorId, DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FontDescriptorName, TIndirectRecord.GetCallObj(FontDescriptorId));
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
SaveToUnicode(DataStream, XRef);
SaveFontDescriptor(DataStream, FontDescriptorId, XRef, true, Subset);
}
private void SaveFonts(TPdfStream DataStream, TXRefSection XRef)
{
int aCount = Fonts.Count;
if (aCount <= 0) return;
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.FontName));
TDictionaryRecord.BeginDictionary(DataStream);
Fonts.CreateOrderedKeys();
foreach (string s in Fonts.Keys)
{
Fonts.OrderedKeys.Add(s);
}
Fonts.OrderedKeys.Sort(); //to keep the reference pdfs always the same.
foreach (string s in Fonts.OrderedKeys)
{
TPdfFont pf = ((TPdfFont)Fonts[s]);
if (pf.UsedInDoc) pf.WriteFont(DataStream, XRef);
}
TDictionaryRecord.EndDictionary(DataStream);
}
internal static void SaveToStream(TPdfStream DataStream, TXRefSection XRef, int CatalogId, int InfoId)
{
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.Trailer));
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SizeName, XRef.Count);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.RootName, TIndirectRecord.GetCallObj(CatalogId));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.InfoName, TIndirectRecord.GetCallObj(InfoId));
Byte[] FileIdBytes = Guid.NewGuid().ToByteArray();
string FileId = PdfConv.ToHexString(FileIdBytes, true);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.IDName,
TPdfTokens.GetString(TPdfToken.OpenArray) +
FileId + " " + FileId +
TPdfTokens.GetString(TPdfToken.CloseArray));
TDictionaryRecord.EndDictionary(DataStream);
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.StartXRef));
TPdfBaseRecord.WriteLine(DataStream, XRef.StartPosition.ToString(CultureInfo.InvariantCulture));
TPdfBaseRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.Eof));
}
public void WriteSMaskObject(TPdfStream DataStream, TXRefSection XRef)
{
//Actually write stream
XRef.SetObjectOffset(SMaskObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, SMaskObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LengthName, SMask.Length);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.XObjectName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SubtypeName, TPdfTokens.GetString(TPdfToken.FormName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BBoxName, BBox);
TDictionaryRecord.WriteLine(DataStream, TPdfTokens.GetString(TPdfToken.GroupName));
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SName, TPdfTokens.GetString(TPdfToken.TransparencyName));
TDictionaryRecord.EndDictionary(DataStream);
TDictionaryRecord.EndDictionary(DataStream);
TStreamRecord.BeginSave(DataStream);
TStreamRecord.Write(DataStream, SMask);
TStreamRecord.EndSave(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
}
public void WriteFunctionObject(TPdfStream DataStream, TXRefSection XRef, bool Compress)
{
XRef.SetObjectOffset(GetFunctionObjId(DataStream, XRef), DataStream);
TIndirectRecord.SaveHeader(DataStream, FunctionObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FunctionTypeName, FunctionType);
if (Domain != null)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.DomainName, PdfConv.ToString(Domain, true));
}
if (Range != null)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.RangeName, PdfConv.ToString(Range, true));
}
SaveExtraKeys(DataStream, XRef, Compress);
TDictionaryRecord.EndDictionary(DataStream);
SaveStream(DataStream, XRef, Compress);
TIndirectRecord.SaveTrailer(DataStream);
}
//This is not only needed because it will be smaller, but also because when using tansparency (SMasks), Acrobat switches the color space,
//And things like antialiasing text might not look well in the screen. A Single object with SMask will turn all the document into a "Transparent"
//Document. See "7.6.1 Color Spaces for Transparency Groups" in the pdf reference.
//So we will try as much as possible to use Masks instead of SMasks.
private void SaveSMaskAsMask(TPdfStream DataStream)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BitsPerComponentName, 1);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LengthName, (int)OneBitMask.Length);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ImageMaskName, TPdfTokens.GetString(TPdfToken.TrueText));
}
private void WriteImageOrMaskObject(TPdfStream DataStream, TXRefSection XRef, bool IsSMask, int ObjId)
{
XRef.SetObjectOffset(ObjId, DataStream);
TIndirectRecord.SaveHeader(DataStream, ObjId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.TypeName, TPdfTokens.GetString(TPdfToken.XObjectName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.SubtypeName, TPdfTokens.GetString(TPdfToken.ImageName));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.WidthName, FImageWidth);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.HeightName, FImageHeight);
if (!IsSMask)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BitsPerComponentName, FBitsPerComponent);
if (FSMask != null)
{
TDictionaryRecord.SaveKey(DataStream, MaskOrSMask, TIndirectRecord.GetCallObj(SMaskId));
}
if (FMask != null)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.MaskName, FMask);
}
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LengthName, (int)FImage.Length);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ColorSpaceName, FColorSpace); //This value is stored on the PropertyTagExifColorSpace property of the image for JPEG.
if (FDecodeParmsName != null)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.DecodeParmsName, FDecodeParmsName);
}
}
else
{
if (OneBitMask != null && FMask == null)
{
SaveSMaskAsMask(DataStream);
}
else
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.BitsPerComponentName, 8);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LengthName, (int)FSMask.Length);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ColorSpaceName, TPdfTokens.GetString(TPdfToken.DeviceGrayName)); //This value is stored on the PropertyTagExifColorSpace property of the image for JPEG.
if (FDecodeParmsSMask != null)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.DecodeParmsName, FDecodeParmsSMask);
}
}
}
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FilterName, FFilterName);
TDictionaryRecord.EndDictionary(DataStream);
TStreamRecord.BeginSave(DataStream);
if (!IsSMask)
{
DataStream.Write(FImage);
}
else
{
if (OneBitMask != null)
{
DataStream.Write(OneBitMask);
}
else
{
DataStream.Write(FSMask);
}
}
TStreamRecord.EndSave(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
}
protected override void SaveExtraKeys(TPdfStream DataStream, TXRefSection XRef, bool Compress)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.C0Name, PdfConv.ToString(C0, true));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.C1Name, PdfConv.ToString(C1, true));
TDictionaryRecord.SaveKey(DataStream, TPdfToken.NName, PdfConv.DoubleToString(N));
}
private void SaveWidths(TPdfStream DataStream)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.DWName, UsedChars.DW());
TDictionaryRecord.SaveKey(DataStream, TPdfToken.WName, UsedChars.W());
}
internal void SaveBookmarkObjects(TPdfStream DataStream, TXRefSection XRef, TBookmarkList bmks, int ParentId, int ObjectId, ref int FirstId, ref int LastId, ref int AllOpenCount)
{
int PreviousId = -1;
for (int i = 0; i < bmks.Count; i++)
{
TBookmark b = bmks[i];
AllOpenCount++;
int NextId = -1;
if (i < bmks.Count - 1)
{
NextId = XRef.GetNewObject(DataStream);
}
LastId = ObjectId;
if (FirstId == -1)
{
FirstId = ObjectId;
}
int FirstChildId = -1;
int LastChildId = -1;
int ChildOpenCount = 0;
if (b.FChildren.Count > 0)
{
FirstChildId = XRef.GetNewObject(DataStream);
int ChildLastId = -1;
SaveBookmarkObjects(DataStream, XRef, b.FChildren, ObjectId, FirstChildId, ref FirstId, ref ChildLastId, ref ChildOpenCount);
if (!b.ChildrenCollapsed)
{
AllOpenCount += ChildOpenCount;
}
LastChildId = ChildLastId;
}
XRef.SetObjectOffset(ObjectId, DataStream);
TIndirectRecord.SaveHeader(DataStream, ObjectId);
TDictionaryRecord.BeginDictionary(DataStream);
TDictionaryRecord.SaveUnicodeKey(DataStream, TPdfToken.TitleName, b.Title);
TDictionaryRecord.SaveKey(DataStream, TPdfToken.ParentName, TIndirectRecord.GetCallObj(ParentId));
if (PreviousId >= 0)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.PrevName, TIndirectRecord.GetCallObj(PreviousId));
}
if (NextId >= 0)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.NextName, TIndirectRecord.GetCallObj(NextId));
}
if (FirstChildId >= 0)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FirstName, TIndirectRecord.GetCallObj(FirstChildId));
}
if (LastChildId >= 0)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.LastName, TIndirectRecord.GetCallObj(LastChildId));
}
if (ChildOpenCount > 0)
{
if (b.ChildrenCollapsed)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.CountName, -ChildOpenCount);
}
else
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.CountName, ChildOpenCount);
}
}
if (b.Destination != null)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.DestName, GetDestStr(b.Destination));
}
if (b.TextColor.R != 0 || b.TextColor.G != 0 || b.TextColor.B != 0)
{
TDictionaryRecord.SaveKey(DataStream, TPdfToken.CName, TPdfTokens.GetString(TPdfToken.OpenArray) + PdfConv.ToString(b.TextColor) + TPdfTokens.GetString(TPdfToken.CloseArray));
}
if (b.TextStyle != TBookmarkStyle.None)
{
int k = 0;
if ((b.TextStyle & TBookmarkStyle.Italic) != 0)
{
k |= 1;
}
if ((b.TextStyle & TBookmarkStyle.Bold) != 0)
{
k |= 2;
}
TDictionaryRecord.SaveKey(DataStream, TPdfToken.FName, k);
}
TDictionaryRecord.EndDictionary(DataStream);
TIndirectRecord.SaveTrailer(DataStream);
PreviousId = ObjectId;
ObjectId = NextId;
}
}
