public void Export(TextureFormat txt, MetadataWriter metadata, string directory, string basename)
{
TX48Texture texture = txt as TX48Texture;
if (texture == null)
{
throw new TextureFormatException("Not a valid TX48Texture!");
}
try
{
metadata.BeginSection("TX48Texture");
metadata.PutAttribute("Basename", basename);
metadata.BeginSection("TX48Segment");
metadata.Put("Bpp", texture.Bpp);
metadata.EndSection();
texture.GetImage().Save(Path.Combine(directory, basename + ".png"));
metadata.EndSection();
}
catch (Exception e)
{
throw new TextureFormatException(e.Message, e);
}
}
public TextureFormat Open(System.IO.Stream formatData)
{
BinaryReader reader = new BinaryReader(formatData);
try
{
char[] magic = reader.ReadChars(MAGIC.Length);
if (new string(magic) != MAGIC)
{
throw new TextureFormatException("Not a valid TX48 Texture!");
}
int bpp = reader.ReadInt32();
if (bpp != 0 && bpp != 1)
{
throw new TextureFormatException("Illegal Bit per pixel value!");
}
bpp = (bpp + 1) * 4;
int width = reader.ReadInt32();
int height = reader.ReadInt32();
int paletteOffset = reader.ReadInt32();
if (paletteOffset != 0x40)
{
throw new TextureFormatException("TX48 Header is wrong!");
}
int paletteSize = reader.ReadInt32();
int imageOffset = reader.ReadInt32();
int imageSize = reader.ReadInt32();
reader.BaseStream.Position += 0x20;
byte[] paletteData = reader.ReadBytes(paletteSize);
byte[] imageData = reader.ReadBytes(imageSize);
PalettedTextureFormat.Builder builder = new PalettedTextureFormat.Builder();
builder.SetPaletteCodec(ColorCodec.CODEC_32BIT_RGBA)
.SetIndexCodec(IndexCodec.FromBitPerPixel(bpp));
PalettedTextureFormat segment = builder.Build(imageData, paletteData, width, height);
TX48Texture texture = new TX48Texture();
texture.TextureFormats.Add(segment);
return(texture);
}
catch (Exception e)
{
if (e is TextureFormatException)
{
throw;
}
throw new TextureFormatException(e.Message, e);
}
}
public void Save(TextureFormat txt, System.IO.Stream outFormatData)
{
TX48Texture texture = txt as TX48Texture;
if (texture == null)
{
throw new TextureFormatException("Not a valid TX48Texture!");
}
BinaryWriter writer = new BinaryWriter(outFormatData);
PalettedTextureFormat segment = texture.TextureFormats.First() as PalettedTextureFormat;
byte[] img = segment.GetImageData();
byte[] pal = segment.GetPaletteData().First();
int widths = segment.Width;
int heights = segment.Height;
int bpps = segment.Bpp;
writer.Write(MAGIC.ToCharArray());
writer.Write(bpps / 4 - 1);
writer.Write(widths);
writer.Write(heights);
writer.Write(0x40);
writer.Write(pal.Length);
writer.Write(0x40 + pal.Length);
writer.Write(img.Length);
for (int j = 0; j < 8; j++)
{
writer.Write(0);
}
writer.Write(pal);
writer.Write(img);
}
public TextureFormat Import(MetadataReader metadata, string directory)
{
metadata.EnterSection("TX48Texture");
string basename = metadata.GetAttribute <string>("Basename");
metadata.EnterSection("TX48Segment");
int bpp = metadata.Get <int>("Bpp");
Image img = Image.FromFile(Path.Combine(directory, basename + ".png"));
metadata.ExitSection();
metadata.ExitSection();
PalettedTextureFormat segment = new PalettedTextureFormat.Builder()
.SetPaletteCodec(ColorCodec.CODEC_32BIT_RGBA)
.SetIndexCodec(IndexCodec.FromBitPerPixel(bpp))
.Build(img);
TX48Texture texture = new TX48Texture();
texture.TextureFormats.Add(segment);
return(texture);
}
