public bool WriteToFile(string path, bool rle = true)
{
var bpp = (int)Format;
using (var writer = new BinaryWriter(File.Create(path))) {
var header = new TGAHeader {
IdLength = 0, // The IDLength set to 0 indicates that there is no image identification field in the TGA file
ColorMapType = 0, // a value of 0 indicates that no palette is included
BitsPerPixel = (byte)(bpp * 8),
Width = (short)Width,
Height = (short)Height,
DataTypeCode = DataTypeFor(bpp, rle),
ImageDescriptor = (byte)(0x20 | (Format == Format.BGRA ? 8 : 0)) // top-left origin
};
WriteTo(writer, header);
if (!rle)
{
writer.Write(buffer);
}
else
{
UnloadRleData(writer);
}
}
return(true);
}
static void WriteTo(BinaryWriter writer, TGAHeader header)
{
writer.Write(header.IdLength);
writer.Write(header.ColorMapType);
writer.Write((byte)header.DataTypeCode);
writer.Write(header.ColorMapOrigin);
writer.Write(header.ColorMapLength);
writer.Write(header.ColorMapDepth);
writer.Write(header.OriginX);
writer.Write(header.OriginY);
writer.Write(header.Width);
writer.Write(header.Height);
writer.Write(header.BitsPerPixel);
writer.Write(header.ImageDescriptor);
}
static TGAHeader ReadHeader(BinaryReader reader)
{
var header = new TGAHeader {
IdLength = reader.ReadByte(),
ColorMapType = reader.ReadByte(),
DataTypeCode = (DataType)reader.ReadByte(),
ColorMapOrigin = reader.ReadInt16(),
ColorMapLength = reader.ReadInt16(),
ColorMapDepth = reader.ReadByte(),
OriginX = reader.ReadInt16(),
OriginY = reader.ReadInt16(),
Width = reader.ReadInt16(),
Height = reader.ReadInt16(),
BitsPerPixel = reader.ReadByte(),
ImageDescriptor = reader.ReadByte()
};
return(header);
}