internal PdfTrueTypeFont(PdfDictionary fontDictionary)
: base(fontDictionary)
{
newFont = false;
subset = false;
fontEncoding = DocFontEncoding.CreateDocFontEncoding(fontDictionary.Get(PdfName.Encoding), toUnicode);
PdfName baseFontName = fontDictionary.GetAsName(PdfName.BaseFont);
// Section 9.6.3 (ISO-32000-1): A TrueType font dictionary may contain the same entries as a Type 1 font
// dictionary (see Table 111), with these differences...
// Section 9.6.2.2. (ISO-32000-1) associate standard fonts with Type1 fonts but there does not
// seem to be a strict requirement on the subtype
// Cases when a font with /TrueType subtype has base font which is one of the Standard 14 fonts
// does not seem to be forbidden and it's handled by many PDF tools, so we handle it here as well
if (baseFontName != null && StandardFonts.IsStandardFont(baseFontName.GetValue()) && !fontDictionary.ContainsKey
(PdfName.FontDescriptor) && !fontDictionary.ContainsKey(PdfName.Widths))
{
try {
fontProgram = FontProgramFactory.CreateFont(baseFontName.GetValue(), true);
}
catch (System.IO.IOException e) {
throw new PdfException(PdfException.IoExceptionWhileCreatingFont, e);
}
}
else
{
fontProgram = DocTrueTypeFont.CreateFontProgram(fontDictionary, fontEncoding, toUnicode);
}
embedded = fontProgram is IDocFontProgram && ((IDocFontProgram)fontProgram).GetFontFile() != null;
}
internal PdfTrueTypeFont(PdfDictionary fontDictionary)
: base(fontDictionary)
{
newFont = false;
fontEncoding = DocFontEncoding.CreateDocFontEncoding(fontDictionary.Get(PdfName.Encoding), toUnicode);
fontProgram = DocTrueTypeFont.CreateFontProgram(fontDictionary, fontEncoding, toUnicode);
embedded = ((IDocFontProgram)fontProgram).GetFontFile() != null;
subset = false;
}
internal PdfTrueTypeFont(PdfDictionary fontDictionary)
: base(fontDictionary)
{
newFont = false;
CheckFontDictionary(fontDictionary, PdfName.TrueType);
CMapToUnicode toUni = FontUtil.ProcessToUnicode(fontDictionary.Get(PdfName.ToUnicode));
fontEncoding = DocFontEncoding.CreateDocFontEncoding(fontDictionary.Get(PdfName.Encoding), toUni, false);
fontProgram = DocTrueTypeFont.CreateFontProgram(fontDictionary, fontEncoding);
embedded = ((IDocFontProgram)fontProgram).GetFontFile() != null;
subset = false;
}
internal PdfType1Font(PdfDictionary fontDictionary)
: base(fontDictionary)
{
newFont = false;
// if there is no FontDescriptor, it is most likely one of the Standard Font with StandardEncoding as base encoding.
// unused variable.
// boolean fillStandardEncoding = !fontDictionary.containsKey(PdfName.FontDescriptor);
fontEncoding = DocFontEncoding.CreateDocFontEncoding(fontDictionary.Get(PdfName.Encoding), toUnicode);
fontProgram = DocType1Font.CreateFontProgram(fontDictionary, fontEncoding, toUnicode);
if (fontProgram is IDocFontProgram)
{
embedded = ((IDocFontProgram)fontProgram).GetFontFile() != null;
}
subset = false;
}
/// <summary>Creates a Type 3 font based on an existing font dictionary, which must be an indirect object.</summary>
/// <param name="fontDictionary">a dictionary of type <code>/Font</code>, must have an indirect reference.</param>
internal PdfType3Font(PdfDictionary fontDictionary)
: base(fontDictionary)
{
subset = true;
embedded = true;
fontProgram = new Type3Font(false);
CMapToUnicode toUni = FontUtil.ProcessToUnicode(fontDictionary.Get(PdfName.ToUnicode));
fontEncoding = DocFontEncoding.CreateDocFontEncoding(fontDictionary.Get(PdfName.Encoding), toUni);
PdfDictionary charProcsDic = GetPdfObject().GetAsDictionary(PdfName.CharProcs);
PdfArray fontMatrixArray = GetPdfObject().GetAsArray(PdfName.FontMatrix);
if (GetPdfObject().ContainsKey(PdfName.FontBBox))
{
PdfArray fontBBox = GetPdfObject().GetAsArray(PdfName.FontBBox);
fontProgram.GetFontMetrics().SetBbox(fontBBox.GetAsNumber(0).IntValue(), fontBBox.GetAsNumber(1).IntValue(
), fontBBox.GetAsNumber(2).IntValue(), fontBBox.GetAsNumber(3).IntValue());
}
else
{
fontProgram.GetFontMetrics().SetBbox(0, 0, 0, 0);
}
int firstChar = NormalizeFirstLastChar(fontDictionary.GetAsNumber(PdfName.FirstChar), 0);
int lastChar = NormalizeFirstLastChar(fontDictionary.GetAsNumber(PdfName.LastChar), 255);
for (int i = firstChar; i <= lastChar; i++)
{
shortTag[i] = 1;
}
int[] widths = FontUtil.ConvertSimpleWidthsArray(fontDictionary.GetAsArray(PdfName.Widths), firstChar, 0);
double[] fontMatrix = new double[6];
for (int i = 0; i < fontMatrixArray.Size(); i++)
{
fontMatrix[i] = ((PdfNumber)fontMatrixArray.Get(i)).GetValue();
}
SetFontMatrix(fontMatrix);
foreach (PdfName glyphName in charProcsDic.KeySet())
{
int unicode = AdobeGlyphList.NameToUnicode(glyphName.GetValue());
if (unicode != -1 && fontEncoding.CanEncode(unicode))
{
int code = fontEncoding.ConvertToByte(unicode);
((Type3Font)GetFontProgram()).AddGlyph(code, unicode, widths[code], null, new Type3Glyph(charProcsDic.GetAsStream
(glyphName), GetDocument()));
}
}
FillFontDescriptor(fontDictionary.GetAsDictionary(PdfName.FontDescriptor));
}
internal PdfType1Font(PdfDictionary fontDictionary)
: base(fontDictionary)
{
newFont = false;
CheckFontDictionary(fontDictionary, PdfName.Type1);
CMapToUnicode toUni = FontUtil.ProcessToUnicode(fontDictionary.Get(PdfName.ToUnicode));
//if there is no FontDescriptor, it is most likely one of the Standard Font with StandardEncoding as base encoding.
bool fillStandardEncoding = !fontDictionary.ContainsKey(PdfName.FontDescriptor);
fontEncoding = DocFontEncoding.CreateDocFontEncoding(fontDictionary.Get(PdfName.Encoding), toUni, fillStandardEncoding
);
fontProgram = DocType1Font.CreateFontProgram(fontDictionary, fontEncoding, toUni);
if (fontProgram is IDocFontProgram)
{
embedded = ((IDocFontProgram)fontProgram).GetFontFile() != null;
}
subset = false;
}
/// <summary>Creates a Type3 font based on an existing font dictionary, which must be an indirect object.</summary>
/// <param name="fontDictionary">a dictionary of type <code>/Font</code>, must have an indirect reference.</param>
internal PdfType3Font(PdfDictionary fontDictionary)
: base(fontDictionary)
{
EnsureObjectIsAddedToDocument(fontDictionary);
CheckFontDictionary(fontDictionary, PdfName.Type3);
subset = true;
embedded = true;
fontProgram = new Type3FontProgram(false);
fontEncoding = DocFontEncoding.CreateDocFontEncoding(fontDictionary.Get(PdfName.Encoding), null, false);
PdfDictionary charProcsDic = GetPdfObject().GetAsDictionary(PdfName.CharProcs);
PdfArray fontMatrixArray = GetPdfObject().GetAsArray(PdfName.FontMatrix);
if (GetPdfObject().ContainsKey(PdfName.FontBBox))
{
PdfArray fontBBox = GetPdfObject().GetAsArray(PdfName.FontBBox);
fontProgram.GetFontMetrics().SetBbox(fontBBox.GetAsNumber(0).IntValue(), fontBBox.GetAsNumber(1).IntValue(
), fontBBox.GetAsNumber(2).IntValue(), fontBBox.GetAsNumber(3).IntValue());
}
else
{
fontProgram.GetFontMetrics().SetBbox(0, 0, 0, 0);
}
PdfNumber firstCharNumber = fontDictionary.GetAsNumber(PdfName.FirstChar);
int firstChar = firstCharNumber != null?Math.Max(firstCharNumber.IntValue(), 0) : 0;
int[] widths = FontUtil.ConvertSimpleWidthsArray(fontDictionary.GetAsArray(PdfName.Widths), firstChar);
double[] fontMatrix = new double[6];
for (int i = 0; i < fontMatrixArray.Size(); i++)
{
fontMatrix[i] = ((PdfNumber)fontMatrixArray.Get(i)).GetValue();
}
SetFontMatrix(fontMatrix);
foreach (PdfName glyphName in charProcsDic.KeySet())
{
int unicode = (int)AdobeGlyphList.NameToUnicode(glyphName.GetValue());
if (unicode != -1 && fontEncoding.CanEncode(unicode))
{
int code = fontEncoding.ConvertToByte(unicode);
((Type3FontProgram)GetFontProgram()).AddGlyph(code, unicode, widths[code], null, new Type3Glyph(charProcsDic
.GetAsStream(glyphName), GetDocument()));
}
}
}
/// <summary>Creates a Type 3 font based on an existing font dictionary, which must be an indirect object.</summary>
/// <param name="fontDictionary">a dictionary of type <c>/Font</c>, must have an indirect reference.</param>
internal PdfType3Font(PdfDictionary fontDictionary)
: base(fontDictionary)
{
subset = true;
embedded = true;
fontProgram = new Type3Font(false);
fontEncoding = DocFontEncoding.CreateDocFontEncoding(fontDictionary.Get(PdfName.Encoding), toUnicode);
PdfDictionary charProcsDic = GetPdfObject().GetAsDictionary(PdfName.CharProcs);
PdfArray fontMatrixArray = GetPdfObject().GetAsArray(PdfName.FontMatrix);
if (GetPdfObject().ContainsKey(PdfName.FontBBox))
{
PdfArray fontBBox = GetPdfObject().GetAsArray(PdfName.FontBBox);
fontProgram.GetFontMetrics().SetBbox(fontBBox.GetAsNumber(0).IntValue(), fontBBox.GetAsNumber(1).IntValue(
), fontBBox.GetAsNumber(2).IntValue(), fontBBox.GetAsNumber(3).IntValue());
}
else
{
fontProgram.GetFontMetrics().SetBbox(0, 0, 0, 0);
}
int firstChar = NormalizeFirstLastChar(fontDictionary.GetAsNumber(PdfName.FirstChar), 0);
int lastChar = NormalizeFirstLastChar(fontDictionary.GetAsNumber(PdfName.LastChar), 255);
for (int i = firstChar; i <= lastChar; i++)
{
shortTag[i] = 1;
}
int[] widths = FontUtil.ConvertSimpleWidthsArray(fontDictionary.GetAsArray(PdfName.Widths), firstChar, 0);
double[] fontMatrix = new double[6];
for (int i = 0; i < fontMatrixArray.Size(); i++)
{
fontMatrix[i] = ((PdfNumber)fontMatrixArray.Get(i)).GetValue();
}
SetFontMatrix(fontMatrix);
if (toUnicode != null && toUnicode.HasByteMappings() && fontEncoding.HasDifferences())
{
for (int i = 0; i < 256; i++)
{
int unicode = fontEncoding.GetUnicode(i);
PdfName glyphName = new PdfName(fontEncoding.GetDifference(i));
if (unicode != -1 && !FontEncoding.NOTDEF.Equals(glyphName.GetValue()) && charProcsDic.ContainsKey(glyphName
))
{
((Type3Font)GetFontProgram()).AddGlyph(i, unicode, widths[i], null, new Type3Glyph(charProcsDic.GetAsStream
(glyphName), GetDocument()));
}
}
}
IDictionary <int, int?> unicodeToCode = null;
if (toUnicode != null)
{
try {
unicodeToCode = toUnicode.CreateReverseMapping();
}
catch (Exception) {
}
}
foreach (PdfName glyphName in charProcsDic.KeySet())
{
int unicode = AdobeGlyphList.NameToUnicode(glyphName.GetValue());
int code = -1;
if (fontEncoding.CanEncode(unicode))
{
code = fontEncoding.ConvertToByte(unicode);
}
else
{
if (unicodeToCode != null && unicodeToCode.ContainsKey(unicode))
{
code = (int)unicodeToCode.Get(unicode);
}
}
if (code != -1 && GetFontProgram().GetGlyphByCode(code) == null)
{
((Type3Font)GetFontProgram()).AddGlyph(code, unicode, widths[code], null, new Type3Glyph(charProcsDic.GetAsStream
(glyphName), GetDocument()));
}
}
FillFontDescriptor(fontDictionary.GetAsDictionary(PdfName.FontDescriptor));
}
