byte[] bytes; // Instructions. n is the number of BYTE items that fit in the size of the table.
public FontProgram(OpenTypeFontface fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.Fpgm;
DirectoryEntry = fontData.TableDictionary[TableTagNames.Fpgm];
Read();
}
public GlyphSubstitutionTable(OpenTypeFontface fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.GSUB;
DirectoryEntry = fontData.TableDictionary[TableTagNames.GSUB];
Read();
}
internal OpenTypeDescriptor(string fontDescriptorKey, string idName, byte[] fontData)
: base(fontDescriptorKey)
{
try
{
FontFace = new OpenTypeFontface(fontData, idName);
// Try to get real name form name table
if (idName.Contains("XPS-Font-") && FontFace.name != null && FontFace.name.Name.Length != 0)
{
string tag = String.Empty;
if (idName.IndexOf('+') == 6)
{
tag = idName.Substring(0, 6);
}
idName = tag + "+" + FontFace.name.Name;
if (FontFace.name.Style.Length != 0)
{
idName += "," + FontFace.name.Style;
}
//idName = idName.Replace(" ", "");
}
FontName = idName;
Initialize();
}
catch (Exception)
{
GetType();
throw;
}
}
byte[] bytes; // Set of instructions executed whenever point size or font or transformation change. n is the number of BYTE items that fit in the size of the table.
public ControlValueProgram(OpenTypeFontface fontData)
: base(fontData, Tag)
{
DirectoryEntry.Tag = TableTagNames.Prep;
DirectoryEntry = fontData.TableDictionary[TableTagNames.Prep];
Read();
}
/// <summary>
/// New...
/// </summary>
public OpenTypeDescriptor(string fontDescriptorKey, string name, XFontStyle stlye, OpenTypeFontface fontface, XPDFFontOptions options)
: base(fontDescriptorKey)
{
FontFace = fontface;
FontName = name;
Initialize();
}
/// <summary>
/// Tries to get fontface by its check sum.
/// </summary>
public static bool TryGetFontface(ulong checkSum, out OpenTypeFontface fontface)
{
try
{
Lock.EnterFontFactory();
bool result = Singleton._fontfacesByCheckSum.TryGetValue(checkSum, out fontface);
return(result);
}
finally { Lock.ExitFontFactory(); }
}
/// <summary>
/// Tries to get fontface by its key.
/// </summary>
public static bool TryGetFontface(string key, out OpenTypeFontface fontface)
{
try
{
Lock.EnterFontFactory();
bool result = Singleton._fontfaceCache.TryGetValue(key, out fontface);
return(result);
}
finally { Lock.ExitFontFactory(); }
}
/// <summary>
/// Creates and reads a TableDirectoryEntry from the font image.
/// </summary>
public static TableDirectoryEntry ReadFrom(OpenTypeFontface fontData)
{
TableDirectoryEntry entry = new TableDirectoryEntry
{
Tag = fontData.ReadTag(),
CheckSum = fontData.ReadULong(),
Offset = fontData.ReadLong(),
Length = (int)fontData.ReadULong()
};
return(entry);
}
public static OpenTypeFontface AddFontface(OpenTypeFontface fontface)
{
try
{
Lock.EnterFontFactory();
if (TryGetFontface(fontface.FullFaceName, out OpenTypeFontface fontfaceCheck))
{
if (fontfaceCheck.CheckSum != fontface.CheckSum)
{
throw new InvalidOperationException("OpenTypeFontface with same signature but different bytes.");
}
return(fontfaceCheck);
}
Singleton._fontfaceCache.Add(fontface.FullFaceName, fontface);
Singleton._fontfacesByCheckSum.Add(fontface.CheckSum, fontface);
return(fontface);
}
finally { Lock.ExitFontFactory(); }
}
public OpenTypeFontTable(OpenTypeFontface fontData, string tag)
{
_fontData = fontData;
DirectoryEntry = fontData != null && fontData.TableDictionary.ContainsKey(tag) ? fontData.TableDictionary[tag] : new TableDirectoryEntry(tag);
DirectoryEntry.FontTable = this;
}
public VerticalHeaderTable(OpenTypeFontface fontData)
: base(fontData, Tag) => Read();
public PostScriptTable(OpenTypeFontface fontData)
: base(fontData, Tag) => Read();
public OS2Table(OpenTypeFontface fontData)
: base(fontData, Tag) => Read();
public ushort[] glyphIdArray; // Glyph index array (arbitrary length)
public CMap4(OpenTypeFontface fontData, WinEncodingId encodingId)
: base(fontData, "----")
{
this.encodingId = encodingId;
Read();
}
public MaximumProfileTable(OpenTypeFontface fontData)
: base(fontData, Tag) => Read();
public VerticalMetricsTable(OpenTypeFontface fontData)
: base(fontData, Tag)
{
Read();
throw new NotImplementedException("VerticalMetricsTable");
}
public VerticalMetrics(OpenTypeFontface fontData)
: base(fontData, Tag) => Read();
public IRefFontTable(OpenTypeFontface fontData, OpenTypeFontTable fontTable)
: base(null, fontTable.DirectoryEntry.Tag)
{
_fontData = fontData;
_irefDirectoryEntry = fontTable.DirectoryEntry;
}
public HorizontalHeaderTable(OpenTypeFontface fontData)
: base(fontData, Tag) => Read();
// Implementation Notes
// OpenTypeFontface represents a 'decompiled' font file in memory.
//
// * An OpenTypeFontface can belong to more than one
// XGlyphTypeface because of StyleSimulations.
//
// * Currently there is a one to one relationship to XFontSource.
//
// * Consider OpenTypeFontface as an decompiled XFontSource.
//
// http://www.microsoft.com/typography/otspec/
/// <summary>
/// Shallow copy for font subset.
/// </summary>
OpenTypeFontface(OpenTypeFontface fontface)
{
_offsetTable = fontface._offsetTable;
FullFaceName = fontface.FullFaceName;
}
public HorizontalMetricsTable(OpenTypeFontface fontData)
: base(fontData, Tag) => Read();
