public Bitmap CompressColors(Bitmap Bitmap, CompressDXT.CompressionMode mode = CompressDXT.CompressionMode.Normal, int ReduceColors = 4)
{
var TempStream = new MemoryStream();
SaveSwizzled2D(Bitmap, TempStream, mode, ReduceColors);
return(LoadSwizzled2D(TempStream.Slice(), Bitmap.Width, Bitmap.Height));
}
protected override void EncodeBlock(ref DXT5.AlphaColorBlock Block, ref ARGB_Rev[] Colors, CompressDXT.CompressionMode CompressionMode)
{
CompressDXT.CompressBlockDXT5(Colors, out Block, CompressionMode);
}
/// <summary> /// /// </summary> /// <param name="Block"></param> /// <param name="Colors"></param> /// <param name="CompressionMode"></param> abstract protected void EncodeBlock(ref TBlock Block, ref ARGB_Rev[] Colors, CompressDXT.CompressionMode CompressionMode);
/// <summary>
///
/// </summary>
/// <param name="Bitmap"></param>
/// <param name="Stream"></param>
/// <param name="mode"></param>
public void SaveSwizzled3D(BitmapList BitmapList, Stream Stream, CompressDXT.CompressionMode mode = CompressDXT.CompressionMode.Normal, bool ShowWarnings = false)
{
int Width = BitmapList.Bitmaps[0].Width, Height = BitmapList.Bitmaps[0].Height, Depth = BitmapList.Bitmaps.Length;
if ((Width % 4) != 0 || (Height % 4) != 0)
{
throw (new InvalidDataException());
}
BitmapList.LockUnlockBits(PixelFormat.Format32bppArgb, (BitmapDatas) =>
{
var Bases = new ARGB_Rev *[Depth];
for (int n = 0; n < Depth; n++)
{
Bases[n] = (ARGB_Rev *)BitmapDatas[n].Scan0.ToPointer();
}
int BlockWidth = Width / 4;
int BlockHeight = Height / 4;
//var BlockCount = BlockWidth * BlockHeight;
var ExpectedBlockCount = BlockWidth * BlockHeight * Depth;
int RealUsedBlockCount;
//RealUsedBlockCount = Swizzling.XGAddress2DTiledExtent(BlockWidth, BlockHeight, BlockSize);
RealUsedBlockCount = Swizzling.XGAddress3DTiledExtent(BlockWidth, BlockHeight, Depth, 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, TileZ;
Swizzling.XGAddress3DTiledXYZ(dxt5_n, BlockWidth, BlockHeight, BlockSize, out TileX, out TileY, out TileZ);
int PositionX = TileX * 4;
int PositionY = TileY * 4;
int PositionZ = TileZ;
int n = 0;
if ((PositionX + 3 >= Width) || (PositionY + 3 >= Height) || (PositionZ >= Depth))
{
if (ShowWarnings)
{
Console.Error.WriteLine("(Warning! [Write] Position outside ({0}, {1}, {2}) - ({3}x{4}x{5}))", PositionX, PositionY, PositionZ, Width, Height, Depth);
}
continue;
}
for (int y = 0; y < 4; y++)
{
for (int x = 0; x < 4; x++)
{
CurrentDecodedColors[n] = Bases[TileZ][(PositionY + y) * Width + (PositionX + x)];
n++;
}
}
//for (n = 0; n < 16; n++) CurrentDecodedColors[n] = new ARGB_Rev(0xFF, 0xFF, 0, (byte)(n * 16));
EncodeBlock(ref Blocks[dxt5_n], ref CurrentDecodedColors, mode);
}
//File.WriteAllBytes(@"C:\temp\font\test.txv", StructUtils.StructArrayToBytes(Blocks));
//Console.WriteLine(Blocks.Length * Marshal.SizeOf(typeof(TBlock)));
Stream.WriteStructVector(Blocks);
Stream.Flush();
});
}
//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();
});
}
