public static EncodedImage EncodeImage_A5I3(PalettedImage Image)
{
List <byte> Texture = new List <byte>();
foreach (byte b in Image.Indices)
{
int IDX = Convert.ToInt32(b);
int a = Image.Palette.Entries[IDX].A;
Texture.Add((byte)(IDX | (a > 252 ? 0xF8 : ((a + 3) & 0xF8))));
}
return(new EncodedImage(Texture.ToArray(), EncodePalette(Image.Palette)));
}
public static EncodedImage EncodeImage_I4(PalettedImage Image)
{
List <byte> Texture = new List <byte>();
for (int i = 0; i < Image.Indices.Count() / 2; i += 2)
{
int v1 = Image.Indices[i + 0];
int v2 = Image.Indices[i + 1];
Texture.Add((byte)(v2 << 4 | v1));
}
;
return(new EncodedImage(Texture.ToArray(), EncodePalette(Image.Palette)));
}
public static EncodedImage EncodeImage(PalettedImage Image, int TexType)
{
switch (TexType)
{
case 1: return(EncodeImage_A3I5(Image));
case 2: return(EncodeImage_I2(Image));
case 3: return(EncodeImage_I4(Image));
case 4: return(EncodeImage_I8(Image));
case 6: return(EncodeImage_A5I3(Image));
default: return(null);
}
}
public static EncodedImage EncodeImage_I8(PalettedImage Image)
{
return(new EncodedImage(Image.Indices, EncodePalette(Image.Palette)));
}