public static void GenerateCMAP(FileReader reader, FFNT header)
{
var fontSection = header.FontSection;
var cmap = new CMAP();
fontSection.CodeMap = cmap;
}
public void Read(FileReader reader, FFNT header)
{
CharacterWidths = new List <CWDH>();
CodeMaps = new List <CMAP>();
string Signature = reader.ReadString(4, Encoding.ASCII);
if (Signature != "FINF")
{
throw new Exception($"Invalid signature {Signature}! Expected FINF.");
}
Size = reader.ReadUInt32();
if (header.Platform <= FFNT.PlatformType.Ctr && header.Version < 0x04000000)
{
Type = reader.ReadEnum <FontType>(true);
LineFeed = reader.ReadByte();
AlterCharIndex = reader.ReadUInt16();
DefaultLeftWidth = reader.ReadByte();
DefaultGlyphWidth = reader.ReadByte();
DefaultCharWidth = reader.ReadByte();
CharEncoding = reader.ReadEnum <CharacterCode>(true);
uint tglpOffset = reader.ReadUInt32();
uint cwdhOffset = reader.ReadUInt32();
uint cmapOffset = reader.ReadUInt32();
Height = reader.ReadByte();
Width = reader.ReadByte();
Ascent = reader.ReadByte();
reader.ReadByte(); //Padding
//Add counter for TGLP
//Note the other counters are inside sections due to recusive setup
header.BlockCounter += 1;
TextureGlyph = new TGLP();
using (reader.TemporarySeek(tglpOffset - 8, SeekOrigin.Begin))
TextureGlyph.Read(reader, header);
CharacterWidth = new CWDH();
CharacterWidths.Add(CharacterWidth);
using (reader.TemporarySeek(cwdhOffset - 8, SeekOrigin.Begin))
CharacterWidth.Read(reader, header, CharacterWidths);
CodeMap = new CMAP();
CodeMaps.Add(CodeMap);
using (reader.TemporarySeek(cmapOffset - 8, SeekOrigin.Begin))
CodeMap.Read(reader, header, CodeMaps);
}
else
{
Type = reader.ReadEnum <FontType>(true);
Height = reader.ReadByte();
Width = reader.ReadByte();
Ascent = reader.ReadByte();
LineFeed = reader.ReadUInt16();
AlterCharIndex = reader.ReadUInt16();
DefaultLeftWidth = reader.ReadByte();
DefaultGlyphWidth = reader.ReadByte();
DefaultCharWidth = reader.ReadByte();
CharEncoding = reader.ReadEnum <CharacterCode>(true);
uint tglpOffset = reader.ReadUInt32();
uint cwdhOffset = reader.ReadUInt32();
uint cmapOffset = reader.ReadUInt32();
//Add counter for TGLP
//Note the other counters are inside sections due to recusive setup
header.BlockCounter += 1;
TextureGlyph = new TGLP();
using (reader.TemporarySeek(tglpOffset - 8, SeekOrigin.Begin))
TextureGlyph.Read(reader, header);
CharacterWidth = new CWDH();
CharacterWidths.Add(CharacterWidth);
using (reader.TemporarySeek(cwdhOffset - 8, SeekOrigin.Begin))
CharacterWidth.Read(reader, header, CharacterWidths);
CodeMap = new CMAP();
CodeMaps.Add(CodeMap);
using (reader.TemporarySeek(cmapOffset - 8, SeekOrigin.Begin))
CodeMap.Read(reader, header, CodeMaps);
}
}
public void Read(FileReader reader, FFNT header, List <CMAP> CodeMaps)
{
uint CodeBegin = 0;
uint CodeEnd = 0;
long pos = reader.Position;
reader.ReadSignature(4, "CMAP");
SectionSize = reader.ReadUInt32();
if (header.Platform == FFNT.PlatformType.NX)
{
CodeBegin = reader.ReadUInt32();
CodeEnd = reader.ReadUInt32();
MappingMethod = reader.ReadEnum <Mapping>(true);
Padding = reader.ReadUInt16();
}
else
{
CodeBegin = reader.ReadUInt16();
CodeEnd = reader.ReadUInt16();
MappingMethod = reader.ReadEnum <Mapping>(true);
Padding = reader.ReadUInt16();
}
CharacterCodeBegin = (char)CodeBegin;
CharacterCodeEnd = (char)CodeEnd;
uint NextMapOffset = reader.ReadUInt32();
//Mapping methods from
https: //github.com/IcySon55/Kuriimu/blob/f670c2719affc1eaef8b4c40e40985881247acc7/src/Cetera/Font/BFFNT.cs#L211
switch (MappingMethod)
{
case Mapping.Direct:
var charOffset = reader.ReadUInt16();
for (char i = CharacterCodeBegin; i <= CharacterCodeEnd; i++)
{
int idx = i - CharacterCodeBegin + charOffset;
header.FontSection.CodeMapDictionary[i] = idx < ushort.MaxValue ? idx : 0;
}
MappingData = new CMAPDirect();
((CMAPDirect)MappingData).Offset = charOffset;
break;
case Mapping.Table:
List <short> table = new List <short>();
for (char i = CharacterCodeBegin; i <= CharacterCodeEnd; i++)
{
short idx = reader.ReadInt16();
if (idx != -1)
{
header.FontSection.CodeMapDictionary[i] = idx;
}
table.Add(idx);
}
MappingData = new CMAPIndexTable();
((CMAPIndexTable)MappingData).Table = table.ToArray();
break;
case Mapping.Scan:
var CharEntryCount = reader.ReadUInt16();
if (header.Platform == FFNT.PlatformType.NX)
{
reader.ReadUInt16(); //Padding
}
uint[] codes = new uint[CharEntryCount];
short[] indexes = new short[CharEntryCount];
for (int i = 0; i < CharEntryCount; i++)
{
if (header.Platform == FFNT.PlatformType.NX)
{
uint charCode = reader.ReadUInt32();
short index = reader.ReadInt16();
short padding = reader.ReadInt16();
if (index != -1)
{
header.FontSection.CodeMapDictionary[(char)charCode] = index;
}
codes[i] = charCode;
indexes[i] = index;
}
else
{
ushort charCode = reader.ReadUInt16();
short index = reader.ReadInt16();
if (index != -1)
{
header.FontSection.CodeMapDictionary[(char)charCode] = index;
}
codes[i] = charCode;
indexes[i] = index;
}
}
MappingData = new CMAPScanMapping();
((CMAPScanMapping)MappingData).Codes = codes;
((CMAPScanMapping)MappingData).Indexes = indexes;
break;
}
if (NextMapOffset != 0)
{
reader.SeekBegin(NextMapOffset - 8);
NextCodeMapSection = new CMAP();
NextCodeMapSection.Read(reader, header, CodeMaps);
CodeMaps.Add(NextCodeMapSection);
}
else
{
reader.SeekBegin(pos + SectionSize);
}
}