internal void Read()
{
try
{
int tableOffset = _fontData.Position;
version = _fontData.ReadUShort();
numTables = _fontData.ReadUShort();
#if DEBUG_
if (_fontData.Name == "Cambria")
{
Debug - Break.Break();
}
#endif
bool success = false;
for (int idx = 0; idx < numTables; idx++)
{
PlatformId platformId = (PlatformId)_fontData.ReadUShort();
WinEncodingId encodingId = (WinEncodingId)_fontData.ReadUShort();
int offset = _fontData.ReadLong();
int currentPosition = _fontData.Position;
// Just read Windows stuff.
if (platformId == PlatformId.Win && (encodingId == WinEncodingId.Symbol || encodingId == WinEncodingId.Unicode))
{
symbol = encodingId == WinEncodingId.Symbol;
_fontData.Position = tableOffset + offset;
cmap4 = new CMap4(_fontData, encodingId);
_fontData.Position = currentPosition;
// We have found what we are looking for, so break.
success = true;
break;
}
}
if (!success)
{
throw new InvalidOperationException("Font has no usable platform or encoding ID. It cannot be used with PDFsharp.");
}
}
catch (Exception ex)
{
throw new InvalidOperationException(PSSR.ErrorReadingFontData, ex);
}
}
internal void Read()
{
try
{
int tableOffset = this.fontData.Position;
this.version = this.fontData.ReadUShort();
this.numTables = this.fontData.ReadUShort();
bool success = false;
for (int idx = 0; idx < this.numTables; idx++)
{
PlatformId platformId = (PlatformId)this.fontData.ReadUShort();
WinEncodingId encodingId = (WinEncodingId)this.fontData.ReadUShort();
int offset = this.fontData.ReadLong();
int currentPosition = this.fontData.Position;
// Just read Windows stuff
if (platformId == PlatformId.Win && (encodingId == WinEncodingId.Symbol || encodingId == WinEncodingId.Unicode))
{
this.symbol = encodingId == WinEncodingId.Symbol;
this.fontData.Position = tableOffset + offset;
this.cmap4 = new CMap4(this.fontData, encodingId);
this.fontData.Position = currentPosition;
// We have found what we are looking for, so break.
success = true;
break;
}
}
if (!success)
{
throw new InvalidOperationException("Font has no usable platform or encoding ID. It cannot be used with PDFsharp.");
}
}
catch (Exception ex)
{
throw new PdfSharpException(PSSR.ErrorReadingFontData, ex);
}
}
public ushort[] glyphIdArray; // Glyph index array (arbitrary length)
public CMap4(FontData fontData, WinEncodingId encodingId)
: base(fontData, "----")
{
this.encodingId = encodingId;
Read();
}
public ushort[] glyphIdArray; // Glyph index array (arbitrary length)
public CMap4(OpenTypeFontface fontData, WinEncodingId encodingId)
: base(fontData, "----")
{
this.encodingId = encodingId;
Read();
}
public ushort[] glyphIdArray; // Glyph index array (arbitrary length)
public CMap4(FontImage fontImage, WinEncodingId encodingId)
: base(fontImage, "----")
{
this.encodingId = encodingId;
Read();
}
public ushort[] glyphIdArray; // Glyph index array (arbitrary length)
public CMap4(OpenTypeFontface fontData, WinEncodingId encodingId)
: base(fontData, "----")
{
this.encodingId = encodingId;
Read();
}
public ushort[] glyphIdArray; // Glyph index array (arbitrary length)
public CMap4(FontData fontData, WinEncodingId encodingId)
: base(fontData, "----")
{
this.encodingId = encodingId;
Read();
}