private static int[] DecodeI8Routine(byte[] I8Data, int Width, int Height, bool Unswizzle = true)
{
int[] GrayscaleData = new int[I8Data.Length];
for (int i = 0; i < GrayscaleData.Length; i++)
{
GrayscaleData[i] = (I8Data[i] << 24) | (I8Data[i] << 16) | (I8Data[i] << 8) | I8Data[i];
}
return(Unswizzle ? SwizzleUtil.Unswizzle(GrayscaleData, Width, Height, 8, 4) : GrayscaleData);
}
private static int[] DecodeIA8Routine(byte[] IA8Data, int Width, int Height, bool Unswizzle = true)
{
int[] GrayscaleData = new int[IA8Data.Length / 2];
for (int i = 0; i < GrayscaleData.Length; i++)
{
int idx = i * 2;
GrayscaleData[i] = (IA8Data[idx] << 24) | (IA8Data[idx + 1] << 16) | (IA8Data[idx + 1] << 8) | IA8Data[idx + 1];
}
return(Unswizzle ? SwizzleUtil.Unswizzle(GrayscaleData, Width, Height, 4, 4) : GrayscaleData);
}
private static byte[] EncodeIA4Routine(int[] ImageData, int Width, int Height)
{
ImageData = SwizzleUtil.Swizzle(ImageData, Width, Height, 8, 4);
byte[] PackedIA4Data = new byte[ImageData.Length];
for (int i = 0; i < PackedIA4Data.Length; i++)
{
byte LeftValue = (byte)((ImageData[i] >> 24) & 0xFF); // Alpha
byte RightValue = (byte)(ImageData[i] >> 16); // Only use red
PackedIA4Data[i] = (byte)(((LeftValue / 16) << 4) | (RightValue / 16));
}
return(PackedIA4Data);
}
private static int[] DecodeI4Routine(byte[] I4Data, int Width, int Height, bool Unswizzle = true)
{
int[] GrayscaleData = new int[I4Data.Length * 2];
for (int i = 0; i < I4Data.Length; i++)
{
byte LeftPixelValue = (byte)((I4Data[i] & 0xF0) | (I4Data[i] >> 4));
byte RightPixelValue = (byte)((I4Data[i] << 4) | (I4Data[i] & 0x0F));
int idx = i * 2;
GrayscaleData[idx] = (0xFF << 24) | (LeftPixelValue << 16) | (LeftPixelValue << 8) | LeftPixelValue;
GrayscaleData[idx + 1] = (0xFF << 24) | (RightPixelValue << 16) | (RightPixelValue << 8) | RightPixelValue;
}
return(Unswizzle ? SwizzleUtil.Unswizzle(GrayscaleData, Width, Height, 8, 8) : GrayscaleData);
}
private static byte[] EncodeIA8Routine(int[] ImageData, int Width, int Height, bool Swizzle = true)
{
ImageData = Swizzle ? SwizzleUtil.Swizzle(ImageData, Width, Height, 4, 4) : ImageData;
byte[] IA8Data = new byte[ImageData.Length * 2];
for (int i = 0; i < ImageData.Length; i++)
{
int idx = i * 2;
IA8Data[idx] = (byte)(ImageData[i] >> 24);
IA8Data[idx + 1] = (byte)((((ImageData[i] >> 16) & 0xFF) * 0.2126) + (((ImageData[i] >> 8) & 0xFF) * 0.7152)
+ ((ImageData[i] & 0xFF) * 0.0722));
}
return(IA8Data);
}
private static int[] C4ImageSubroutineDecode(byte[] C4ImageData, ushort[] Palette, int Width, int Height, ColorFormat PixelFormat,
bool Unswizzle = true)
{
C4ImageData = Utilities.Utilities.SeparateNibbles(C4ImageData);
int[] RGB8Palette = PaletteManager.GetRGBA8Palette(Palette, PixelFormat);
byte[] UnscrambledData = Unswizzle ? SwizzleUtil.Unswizzle(C4ImageData, Width, Height, 8, 8) : C4ImageData;
int[] ImageData = new int[UnscrambledData.Length];
for (int i = 0; i < ImageData.Length; i++)
{
ImageData[i] = RGB8Palette[UnscrambledData[i]];
}
return(ImageData);
}
private static byte[] EncodeI8Routine(int[] ImageData, int Width, int Height, bool Swizzle = true)
{
if (Swizzle)
{
ImageData = SwizzleUtil.Swizzle(ImageData, Width, Height, 8, 4);
}
byte[] I8Data = new byte[ImageData.Length];
for (int i = 0; i < I8Data.Length; i++)
{
I8Data[i] = (byte)((((ImageData[i] >> 16) & 0xFF) * 0.2126) + (((ImageData[i] >> 8) & 0xFF) * 0.7152) + ((ImageData[i] & 0xFF) * 0.0722));
}
return(I8Data);
}
private static byte[] C8ImageSubroutineEncode(int[] ImageData, ushort[] Palette, int Width, int Height, bool Swizzle)
{
int[] RGB8Palette = new int[Palette.Length];
for (int i = 0; i < RGB8Palette.Length; i++)
{
RGB8Palette[i] = (int)RGB5A3.ToARGB8(Palette[i]);
}
byte[] C8Data = new byte[ImageData.Length];
for (int i = 0; i < C8Data.Length; i++)
{
C8Data[i] = Utilities.ColorUtilities.ClosestColorRGB(ImageData[i], RGB8Palette);
}
return(Swizzle ? SwizzleUtil.Swizzle(C8Data, Width, Height, 8, 4) : C8Data);
}
private static byte[] C4ImageSubroutineEncode(int[] ImageData, ushort[] Palette, int Width, int Height, ColorFormat PixelFormat,
bool Swizzle = true)
{
int[] RGB8Palette = new int[Palette.Length];
for (int i = 0; i < RGB8Palette.Length; i++)
{
RGB8Palette[i] = (int)RGB5A3.ToARGB8(Palette[i]);
}
byte[] C4Data = new byte[ImageData.Length];
for (int i = 0; i < C4Data.Length; i++)
{
C4Data[i] = ColorUtilities.ClosestColorRGB(ImageData[i], RGB8Palette);
}
return(Utilities.Utilities.CondenseNibbles(Swizzle ? SwizzleUtil.Swizzle(C4Data, Width, Height, 8, 8) : C4Data));
}
public static int[] Decode(ushort[] rgba16Data, int width, int height)
{
var dataOut = new int[width * height];
var position = 0;
rgba16Data = SwizzleUtil.Unswizzle(rgba16Data, width, height, 4, 4);
for (var y = 0; y < height; y++)
{
for (var x = 0; x < width; x++)
{
dataOut[position] = (int)RGB5A3.ToARGB8(rgba16Data[position]);
position++;
}
}
return(dataOut);
}
private static int[] DecodeIA4Routine(byte[] IA4Data, int Width, int Height, Color Color, bool Unswizzle = true)
{
int[] GrayscaleData = new int[IA4Data.Length];
for (int i = 0; i < GrayscaleData.Length; i++)
{
byte LeftPixelValue = (byte)(((IA4Data[i] & 0xF0) | (IA4Data[i] >> 4)) & 0xFF); // Alpha
byte RightPixelValue = (byte)(((IA4Data[i] << 4) | (IA4Data[i] & 0x0F)) & 0xFF);
GrayscaleData[i] = (LeftPixelValue << 24) | (RightPixelValue << 16) | (RightPixelValue << 8) | RightPixelValue;
}
// Apply color to decoded pixel data.
for (var i = 0; i < GrayscaleData.Length; i++)
{
}
return(Unswizzle ? SwizzleUtil.Unswizzle(GrayscaleData, Width, Height, 8, 4) : GrayscaleData);
}
private static int[] C8ImageSubroutineDecode(byte[] C8ImageData, ushort[] Palette, int Width, int Height, bool Unswizzle)
{
int[] RGB8Palette = new int[Palette.Length];
for (int i = 0; i < RGB8Palette.Length; i++)
{
RGB8Palette[i] = (int)RGB5A3.ToARGB8(Palette[i]);
}
byte[] UnscrambledData = Unswizzle ? SwizzleUtil.Unswizzle(C8ImageData, Width, Height, 8, 4) : C8ImageData;
int[] ImageData = new int[UnscrambledData.Length];
for (int i = 0; i < ImageData.Length; i++)
{
ImageData[i] = RGB8Palette[UnscrambledData[i]];
}
return(ImageData);
}
private static byte[] EncodeI4Routine(int[] ImageData, int Width, int Height, bool Swizzle = true)
{
if (Swizzle)
{
ImageData = SwizzleUtil.Swizzle(ImageData, Width, Height, 8, 8);
}
byte[] PackedI4Data = new byte[ImageData.Length / 2];
// We're only taking the red channel here for re-encoding.
for (int i = 0; i < PackedI4Data.Length; i++)
{
int idx = i * 2;
byte LeftValue = (byte)(ImageData[idx] >> 16);
byte RightValue = (byte)(ImageData[idx + 1] >> 16);
PackedI4Data[i] = (byte)(((LeftValue / 0x10) << 4) | (RightValue / 0x10));
}
return(PackedI4Data);
}
