/// <summary>
///
/// </summary>
/// <param name="File"></param>
/// <param name="Width"></param>
/// <param name="Height"></param>
/// <param name="_Depth"></param>
/// <param name="Swizzled"></param>
/// <returns></returns>
private BitmapList _LoadSwizzled(Stream File, int Width, int Height, int?_Depth, bool Swizzled = true)
{
if ((Width % 4) != 0 || (Height % 4) != 0)
{
throw (new InvalidDataException(String.Format("Invalid size {0}x{1} must be multiple of 4", Width, Height)));
}
int Depth = _Depth ?? 1;
bool Is3D = _Depth.HasValue;
var BitmapList = new BitmapList(Depth);
var BitmapListData = new BitmapData[Depth];
var BitmapListPointers = new ARGB_Rev *[Depth];
for (int n = 0; n < Depth; n++)
{
BitmapList.Bitmaps[n] = new Bitmap(Width, Height);
}
for (int n = 0; n < Depth; n++)
{
var Bitmap = BitmapList.Bitmaps[n];
BitmapListData[n] = Bitmap.LockBits(Bitmap.GetFullRectangle(), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
BitmapListPointers[n] = (ARGB_Rev *)BitmapListData[n].Scan0.ToPointer();
}
int BlockWidth = Width / 4;
int BlockHeight = Height / 4;
var CurrentDecodedColors = new ARGB_Rev[4 * 4];
var ExpectedBlockCount = BlockWidth * BlockHeight * Depth;
int RealUsedBlockCount;
if (Is3D)
{
RealUsedBlockCount = Swizzling.XGAddress3DTiledExtent(Width / 4, Height / 4, Depth, BlockSize);
}
else
{
RealUsedBlockCount = Swizzling.XGAddress2DTiledExtent(Width / 4, Height / 4, BlockSize);
}
//Console.WriteLine("{0} - {1}", ExpectedBlockCount, UsedBlockCount);
var BlockCount = RealUsedBlockCount;
//var BlockCount = ExpectedBlockCount;
if (BlockCount * Marshal.SizeOf(typeof(TBlock)) > File.Length)
{
Console.Error.WriteLine("File too small");
//throw(new Exception("File too small"));
return(new BitmapList(0));
}
var Blocks = File.ReadStructVector <TBlock>((uint)BlockCount, -1);
//Console.WriteLine(Blocks.Length);
for (int BlockN = 0; BlockN < BlockCount; BlockN++)
{
int TileX, TileY, TileZ;
if (Swizzled)
{
if (Is3D)
{
Swizzling.XGAddress3DTiledXYZ(BlockN, BlockWidth, BlockHeight, BlockSize, out TileX, out TileY, out TileZ);
}
else
{
Swizzling.XGAddress2DTiledXY(BlockN, BlockWidth, BlockSize, out TileX, out TileY);
TileZ = 0;
}
}
else
{
TileX = BlockN % BlockWidth;
TileY = BlockN / BlockWidth;
TileZ = 0;
Console.Error.Write("(Not implemented!)");
}
// Skip blocks.
if (TileX >= BlockWidth || TileY >= BlockHeight)
{
continue;
}
DecodeBlock(ref Blocks[BlockN], ref CurrentDecodedColors);
//Console.WriteLine("{0}", CurrentDecodedColors[0]);
int PositionX = TileX * 4;
int PositionY = TileY * 4;
var BlockBitmap = BitmapList.Bitmaps[TileZ];
if ((PositionX + 3 >= BlockBitmap.Width) || (PositionY + 3 >= BlockBitmap.Height))
{
Console.Error.WriteLine(
"(Warning! [Read] Position outside ({0}, {1}) - ({2}x{3}) ;; ({4}, {5})) - ({6}x{7}) ;; {8}",
PositionX, PositionY,
Width, Height,
TileX, TileY,
BlockWidth, BlockHeight,
BlockN
);
continue;
}
int n = 0;
var BitmapPointer = BitmapListPointers[TileZ];
for (int y = 0; y < 4; y++)
{
int BaseOffset = (PositionY + y) * Width + (PositionX);
for (int x = 0; x < 4; x++)
{
BitmapPointer[BaseOffset + x] = CurrentDecodedColors[n];
n++;
}
}
}
for (int n = 0; n < Depth; n++)
{
BitmapList.Bitmaps[n].UnlockBits(BitmapListData[n]);
}
return(BitmapList);
}
//static private ARGB_Rev FindNearColorInPalette(IEnumerable<ARGB_Rev> Palette, ARGB_Rev Color)
//{
// return Palette.OrderBy(PaletteColor => ARGB_Rev.DistanceRGB(PaletteColor, Color)).First();
//}
//
//static private ARGB_Rev FindFarColorInPalette(IEnumerable<ARGB_Rev> Palette, ARGB_Rev Color)
//{
// return Palette.OrderBy(PaletteColor => ARGB_Rev.DistanceRGB(PaletteColor, Color)).Last();
//}
//
//static private ARGB_Rev AverageColors(IEnumerable<ARGB_Rev> Palette)
//{
// return new ARGB_Rev(
// (byte)Palette.Average(Item => Item.A),
// (byte)Palette.Average(Item => Item.R),
// (byte)Palette.Average(Item => Item.G),
// (byte)Palette.Average(Item => Item.B)
// );
//}
//
//private void ReduceColors(List<ARGB_Rev> Palette, int ColorCount)
//{
// while (Palette.Count > ColorCount)
// {
// Palette.Remove(FindNearColorInPalette(Palette, AverageColors(Palette)));
// }
//}
//
//private void DoReduceColors(ref ARGB_Rev[] Colors, int ColorCount)
//{
// var ReducedColorsList = Colors.ToList();
// ReduceColors(ReducedColorsList, ColorCount);
// //Console.WriteLine(String.Join(",", Colors.ToArray()));
// //Console.WriteLine(String.Join(",", ReducedColorsList.ToArray()));
// for (int n = 0; n < Colors.Length; n++)
// {
// Colors[n] = FindNearColorInPalette(ReducedColorsList, Colors[n]);
// }
//}
/// <summary>
///
/// </summary>
/// <param name="Bitmap"></param>
/// <param name="File"></param>
/// <param name="mode"></param>
public void SaveSwizzled2D(Bitmap Bitmap, Stream File, CompressDXT.CompressionMode mode = CompressDXT.CompressionMode.Normal, int ReduceColors = 16, bool ShowWarnings = false)
{
int Width = Bitmap.Width, Height = Bitmap.Height;
if ((Width % 4) != 0 || (Height % 4) != 0)
{
throw (new InvalidDataException());
}
Bitmap.LockBitsUnlock(PixelFormat.Format32bppArgb, (BitmapData) =>
{
var Base = (ARGB_Rev *)BitmapData.Scan0.ToPointer();
int BlockWidth = Width / 4;
int BlockHeight = Height / 4;
//var BlockCount = BlockWidth * BlockHeight;
var ExpectedBlockCount = BlockWidth * BlockHeight;
int RealUsedBlockCount;
RealUsedBlockCount = Swizzling.XGAddress2DTiledExtent(Width / 4, Height / 4, BlockSize);
//Console.WriteLine("{0} - {1}", ExpectedBlockCount, UsedBlockCount);
var BlockCount = RealUsedBlockCount;
var CurrentDecodedColors = new ARGB_Rev[4 * 4];
var Blocks = new TBlock[(uint)BlockCount];
for (int dxt5_n = 0; dxt5_n < BlockCount; dxt5_n++)
{
int TileX, TileY;
Swizzling.XGAddress2DTiledXY(dxt5_n, BlockWidth, BlockSize, out TileX, out TileY);
int PositionX = TileX * 4;
int PositionY = TileY * 4;
int n = 0;
if ((PositionX + 3 >= Width) || (PositionY + 3 >= Height))
{
if (ShowWarnings)
{
Console.Error.WriteLine("(Warning! [Write] Position outside ({0}, {1}) - ({2}x{3}))", PositionX, PositionY, Width, Height);
}
continue;
}
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
CurrentDecodedColors[n] = Base[(PositionY + y) * Width + (PositionX + x)];
n++;
}
}
//if (ReduceColors != 16) DoReduceColors(ref CurrentDecodedColors, ReduceColors);
EncodeBlock(ref Blocks[dxt5_n], ref CurrentDecodedColors, mode);
}
File.WriteStructVector(Blocks);
File.Flush();
});
}