public Font(PDF pdf, Stream inputStream)
{
this.isStandard = false;
this.isComposite = true;
this.codePage = CodePage.UNICODE;
FastFont.Register(pdf, this, inputStream);
this.ascent = this.bBoxURy * this.size / (float)this.unitsPerEm;
this.descent = this.bBoxLLy * this.size / (float)this.unitsPerEm;
this.body_height = this.ascent - this.descent;
this.underlineThickness = (float)this.fontUnderlineThickness * this.size / (float)this.unitsPerEm;
this.underlinePosition = (float)this.fontUnderlinePosition * this.size / (float)(-(float)this.unitsPerEm) + this.underlineThickness / 2f;
pdf.fonts.Add(this);
}
// Constructor for the DejaVuLGCSerif.ttf font.
public Font(PDF pdf, Stream inputStream)
{
this.isStandard = false;
this.isComposite = true;
this.codePage = CodePage.UNICODE;
FastFont.Register(pdf, this, inputStream);
ascent = bBoxURy * size / unitsPerEm;
descent = bBoxLLy * size / unitsPerEm;
body_height = ascent - descent;
underlineThickness = fontUnderlineThickness * size / unitsPerEm;
underlinePosition = fontUnderlinePosition * size / -unitsPerEm + underlineThickness / 2f;
pdf.fonts.Add(this);
}
internal static void Register(PDF pdf, Font font, Stream inputStream)
{
font.name = DejaVuLGCSerif.name;
font.unitsPerEm = DejaVuLGCSerif.unitsPerEm;
font.bBoxLLx = (float)DejaVuLGCSerif.bBoxLLx;
font.bBoxLLy = (float)DejaVuLGCSerif.bBoxLLy;
font.bBoxURx = (float)DejaVuLGCSerif.bBoxURx;
font.bBoxURy = (float)DejaVuLGCSerif.bBoxURy;
font.ascent = (float)DejaVuLGCSerif.ascent;
font.descent = (float)DejaVuLGCSerif.descent;
font.capHeight = (float)DejaVuLGCSerif.capHeight;
font.firstChar = DejaVuLGCSerif.firstChar;
font.lastChar = DejaVuLGCSerif.lastChar;
font.underlinePosition = (float)DejaVuLGCSerif.underlinePosition;
font.underlineThickness = (float)DejaVuLGCSerif.underlineThickness;
font.compressed_size = DejaVuLGCSerif.compressed_size;
font.uncompressed_size = DejaVuLGCSerif.uncompressed_size;
font.advanceWidth = FastFont.DecodeRLE(DejaVuLGCSerif.advanceWidth);
font.glyphWidth = FastFont.DecodeRLE(DejaVuLGCSerif.glyphWidth);
font.unicodeToGID = FastFont.DecodeRLE(DejaVuLGCSerif.unicodeToGID);
FastFont.EmbedFontFile(pdf, font, inputStream);
FastFont.AddFontDescriptorObject(pdf, font);
FastFont.AddCIDFontDictionaryObject(pdf, font);
FastFont.AddToUnicodeCMapObject(pdf, font);
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
pdf.Append(font.name);
pdf.Append('\n');
pdf.Append("/Encoding /Identity-H\n");
pdf.Append("/DescendantFonts [");
pdf.Append(font.GetCidFontDictObjNumber());
pdf.Append(" 0 R]\n");
pdf.Append("/ToUnicode ");
pdf.Append(font.GetToUnicodeCMapObjNumber());
pdf.Append(" 0 R\n");
pdf.Append(">>\n");
pdf.Endobj();
font.objNumber = pdf.objNumber;
}
private static void AddToUnicodeCMapObject(PDF pdf, Font font)
{
for (int i = 0; i < pdf.fonts.Count; i++)
{
Font font2 = pdf.fonts[i];
if (font2.name.Equals(font.name) && font2.GetToUnicodeCMapObjNumber() != -1)
{
font.SetToUnicodeCMapObjNumber(font2.GetToUnicodeCMapObjNumber());
return;
}
}
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("/CIDInit /ProcSet findresource begin\n");
stringBuilder.Append("12 dict begin\n");
stringBuilder.Append("begincmap\n");
stringBuilder.Append("/CIDSystemInfo <</Registry (Adobe) /Ordering (Identity) /Supplement 0>> def\n");
stringBuilder.Append("/CMapName /Adobe-Identity def\n");
stringBuilder.Append("/CMapType 2 def\n");
stringBuilder.Append("1 begincodespacerange\n");
stringBuilder.Append("<0000> <FFFF>\n");
stringBuilder.Append("endcodespacerange\n");
List <string> list = new List <string>();
StringBuilder stringBuilder2 = new StringBuilder();
for (int j = 0; j <= 65535; j++)
{
int num = font.unicodeToGID[j];
if (num > 0)
{
stringBuilder2.Append('<');
stringBuilder2.Append(FastFont.ToHexString(num));
stringBuilder2.Append("> <");
stringBuilder2.Append(FastFont.ToHexString(j));
stringBuilder2.Append(">\n");
list.Add(stringBuilder2.ToString());
stringBuilder2.Length = 0;
if (list.Count == 100)
{
FastFont.WriteListToBuffer(list, stringBuilder);
}
}
}
if (list.Count > 0)
{
FastFont.WriteListToBuffer(list, stringBuilder);
}
stringBuilder.Append("endcmap\n");
stringBuilder.Append("CMapName currentdict /CMap defineresource pop\n");
stringBuilder.Append("end\nend");
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Length ");
pdf.Append(stringBuilder.Length);
pdf.Append("\n");
pdf.Append(">>\n");
pdf.Append("stream\n");
pdf.Append(stringBuilder.ToString());
pdf.Append("\nendstream\n");
pdf.Endobj();
font.SetToUnicodeCMapObjNumber(pdf.objNumber);
}
