public void LoadFontDescription_CultureNamePriority_FirstWindows()
{
var usCulture = new CultureInfo(0x0409);
var c1 = new CultureInfo(1034); // spanish - international
var c2 = new CultureInfo(3082); // spanish - traditional
var writer = new BigEndianBinaryWriter();
writer.WriteTrueTypeFileHeader(1, 0, 0, 0);
writer.WriteTableHeader("name", 0, 28, 999);
writer.WriteNameTable(
(KnownNameIds.FullFontName, "name_c1", c1),
(KnownNameIds.FontSubfamilyName, "sub_c1", c1),
(KnownNameIds.FontFamilyName, "fam_c1", c1),
(KnownNameIds.FullFontName, "name_c2", c2),
(KnownNameIds.FontSubfamilyName, "sub_c2", c2),
(KnownNameIds.FontFamilyName, "fam_c2", c2));
var description = FontDescription.LoadDescription(writer.GetStream());
// unknown culture should prioritise US, but missing so will return first
Assert.Equal("name_c1", description.FontNameInvariantCulture);
Assert.Equal("sub_c1", description.FontSubFamilyNameInvariantCulture);
Assert.Equal("fam_c1", description.FontFamilyInvariantCulture);
}
public void LoadFontDescription_GetNameById()
{
var c1 = new CultureInfo(1034); // spanish - international
var c2 = new CultureInfo(3082); // spanish - traditional
var writer = new BigEndianBinaryWriter();
writer.WriteTrueTypeFileHeader(1, 0, 0, 0);
writer.WriteTableHeader("name", 0, 28, 999);
writer.WriteNameTable(
(KnownNameIds.FullFontName, "name_c1", c1),
(KnownNameIds.FontSubfamilyName, "sub_c1", c1),
(KnownNameIds.FontFamilyName, "fam_c1", c1),
(KnownNameIds.FullFontName, "name_c2", c2),
(KnownNameIds.FontSubfamilyName, "sub_c2", c2),
(KnownNameIds.FontFamilyName, "fam_c2", c2));
var description = FontDescription.LoadDescription(writer.GetStream());
Assert.Equal("name_c1", description.GetNameById(c1, KnownNameIds.FullFontName));
Assert.Equal("sub_c1", description.GetNameById(c1, KnownNameIds.FontSubfamilyName));
Assert.Equal("fam_c1", description.GetNameById(c1, KnownNameIds.FontFamilyName));
Assert.Equal("name_c2", description.GetNameById(c2, KnownNameIds.FullFontName));
Assert.Equal("sub_c2", description.GetNameById(c2, KnownNameIds.FontSubfamilyName));
Assert.Equal("fam_c2", description.GetNameById(c2, KnownNameIds.FontFamilyName));
}
public static void WriteCffFileHeader(
this BigEndianBinaryWriter writer,
ushort tableCount,
ushort searchRange,
ushort entrySelector,
ushort rangeShift)
// uint32 | sfntVersion 0x00010000 or 0x4F54544F('OTTO') — see below.
=> writer.WriteFileHeader(0x4F54544F, tableCount, searchRange, entrySelector, rangeShift);
public void ReadTrueTypeOutlineType()
{
var writer = new BigEndianBinaryWriter();
writer.WriteTrueTypeFileHeader(0, 0, 0, 0);
var reader = new FontReader(writer.GetStream());
Assert.Equal(FontReader.OutlineTypes.TrueType, reader.OutlineType);
}
public void ReadCcfOutlineType()
{
var writer = new BigEndianBinaryWriter();
writer.WriteCffFileHeader(0, 0, 0, 0);
Assert.Throws <Exceptions.InvalidFontFileException>(
() =>
{
var reader = new FontReader(writer.GetStream());
});
}
public void ReadTableHeaders()
{
var writer = new BigEndianBinaryWriter();
writer.WriteTrueTypeFileHeader(2, 0, 0, 0);
writer.WriteTableHeader("name", 0, 10, 0);
writer.WriteTableHeader("cmap", 0, 1, 0);
var reader = new FontReader(writer.GetStream());
Assert.Equal(2, reader.Headers.Count);
}
public static void WriteTableHeader(this BigEndianBinaryWriter writer, string tag, uint checksum, uint?offset, uint length)
{
// table header
// Record Type | Name | Description
// ------------|----------|---------------------------------------------------
// uint32 | tag | 4 - byte identifier.
// uint32 | checkSum | CheckSum for this table.
// Offset32 | offset | Offset from beginning of TrueType font file.
// uint32 | length | Length of this table.
writer.WriteUInt32(tag);
writer.WriteUInt32(checksum);
writer.WriteOffset32(offset);
writer.WriteUInt32(length);
}
private static void WriteFileHeader(this BigEndianBinaryWriter writer, uint version, ushort tableCount, ushort searchRange, ushort entrySelector, ushort rangeShift)
{
// file header
// Type Name | name | Description
// ----------|---------------|------------------------------
// uint32 | sfntVersion | 0x00010000 or 0x4F54544F('OTTO') — see below.
// uint16 | numTables | Number of tables.
// uint16 | searchRange | (Maximum power of 2 <= numTables) x 16.
// uint16 | entrySelector | Log2(maximum power of 2 <= numTables).
// uint16 | rangeShift | NumTables x 16 - searchRange.
writer.WriteUInt32(version);
writer.WriteUInt16(tableCount);
writer.WriteUInt16(searchRange);
writer.WriteUInt16(entrySelector);
writer.WriteUInt16(rangeShift);
}
public void LoadFontDescription()
{
var writer = new BigEndianBinaryWriter();
writer.WriteTrueTypeFileHeader(1, 0, 0, 0);
writer.WriteTableHeader("name", 0, 28, 999);
writer.WriteNameTable(
new Dictionary <WellKnownIds.NameIds, string>
{
{ WellKnownIds.NameIds.FullFontName, "name" },
{ WellKnownIds.NameIds.FontSubfamilyName, "sub" },
{ WellKnownIds.NameIds.FontFamilyName, "fam" }
});
var description = FontDescription.LoadDescription(writer.GetStream());
Assert.Equal("name", description.FontNameInvariantCulture);
Assert.Equal("sub", description.FontSubFamilyNameInvariantCulture);
Assert.Equal("fam", description.FontFamilyInvariantCulture);
}
public void ReadCMapTable()
{
var writer = new BigEndianBinaryWriter();
writer.WriteTrueTypeFileHeader(new TableHeader("cmap", 0, 0, 20));
writer.WriteCMapTable(
new[]
{
new Fonts.Tables.General.CMap.Format0SubTable(
0,
WellKnownIds.PlatformIDs.Macintosh,
1,
new byte[] { 2, 9 })
});
var reader = new FontReader(writer.GetStream());
CMapTable cmap = reader.GetTable <CMapTable>();
Assert.NotNull(cmap);
}
private static void WriteFileHeader(this BigEndianBinaryWriter writer, uint version, params TableHeader[] headers)
{
// file header
// Type Name | name | Description
// ----------|---------------|------------------------------
// uint32 | sfntVersion | 0x00010000 or 0x4F54544F('OTTO') — see below.
// uint16 | numTables | Number of tables.
// uint16 | searchRange | (Maximum power of 2 <= numTables) x 16.
// uint16 | entrySelector | Log2(maximum power of 2 <= numTables).
// uint16 | rangeShift | NumTables x 16 - searchRange.
writer.WriteUInt32(version);
writer.WriteUInt16((ushort)headers.Length);
writer.WriteUInt16(0);
writer.WriteUInt16(0);
writer.WriteUInt16(0);
int offset = 12;
offset += headers.Length * 16;
foreach (TableHeader h in headers)
{
writer.WriteTableHeader(h.Tag, h.CheckSum, (uint)offset, h.Length);
offset += (int)h.Length;
}
}
public static void WriteNameTable(this BigEndianBinaryWriter writer, Dictionary <KnownNameIds, string> names, List <string> languages = null) => writer.WriteNameTable(names.Select(x => (x.Key, x.Value, CultureInfo.InvariantCulture)).ToList(), languages);
public static void WriteTrueTypeFileHeader(this BigEndianBinaryWriter writer, params TableHeader[] headers)
// uint32 | sfntVersion 0x00010000 or 0x4F54544F('OTTO') — see below.
=> writer.WriteFileHeader(0x00010000, headers);