public byte[] Decompile()
{
var bytes = Mipmaps[0].Bytes;
if (Mipmaps[0].LZ4Compressed == 1)
{
bytes = TexLoader.DecompressLZ4(bytes, Mipmaps[0].PixelCount);
}
if (ImageFormat != FreeImageFormat.FIF_UNKNOWN)
{
return(bytes);
}
var invertedColorOrder = false;
switch (Format)
{
case TexFormat.DXT5:
bytes = DXT.DecompressImage(Mipmaps[0].Width, Mipmaps[0].Height, bytes, DXT.DXTFlags.DXT5);
break;
case TexFormat.DXT3:
bytes = DXT.DecompressImage(Mipmaps[0].Width, Mipmaps[0].Height, bytes, DXT.DXTFlags.DXT3);
break;
case TexFormat.DXT1:
bytes = DXT.DecompressImage(Mipmaps[0].Width, Mipmaps[0].Height, bytes, DXT.DXTFlags.DXT1);
break;
case TexFormat.ARGB8888:
invertedColorOrder = true;
break;
default:
throw new NotImplementedException($"Format: \"{Format.ToString()}\" ({(int)Format})");
}
var width = ImageWidth;
var textureWidth = Mipmaps[0].Width;
var height = ImageHeight;
var bitmap = new Bitmap(width, height);
Helper.CopyRawPixelsIntoBitmap(bytes, textureWidth * 4, bitmap, invertedColorOrder);
var stream = new MemoryStream();
bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
bitmap.Dispose();
bytes = stream.GetBuffer();
stream.Close();
return(bytes);
}
private void InitializeRangeSlider()
{
_rangeSlider = _baseView.FindViewById <RangeSliderControl>(Resource.Id.rangeSlider);
if (_rangeSlider != null)
{
_rangeSlider.SetRangeValues(_minValue, _maxValue);
_rangeSlider.StepValue = _stepValue;
_rangeSlider.ShowTextAboveThumbs = true;
_rangeSlider.MinThumbHidden = true;
_rangeSlider.MaxThumbHidden = false;
_rangeSlider.ActivateOnDefaultValues = true;
_rangeSlider.TextSizeInSp = 16;
_rangeSlider.AlwaysActive = true;
_rangeSlider.ThumbShadow = true;
_rangeSlider.TextFormat = _textFormat.ToString();
_rangeSlider.ActiveColor = Color.Rgb(46, 167, 243); //light blue
_rangeSlider.TextAboveThumbsColor = Color.Rgb(219, 92, 76); //main
SetSliderValues();
}
}
private static string GetBaseFormat(TexFormat format)
{
string[] items = { "_UNORM", "_SRGB", "_SINT", "_SNORM", "_UINT", "_UFLOAT", "_SFLOAT", "_FLOAT", "H_SF16", "H_UF16" };
string output = format.ToString();
for (int i = 0; i < items.Length; i++)
{
output = output.Replace(items[i], string.Empty);
}
return(output);
}
public bool Decode(TexFormat format, byte[] input, int width, int height, out byte[] output)
{
output = null;
if (format.ToString().StartsWith("ASTC"))
{
var x = (int)TextureFormatHelper.GetBlockWidth(format);
var y = (int)TextureFormatHelper.GetBlockHeight(format);
var z = (int)TextureFormatHelper.GetBlockDepth(format);
output = ASTCDecoder.DecodeToRGBA8888(input, x, y, z, width, height, 1);
}
return(output != null);
}
/// <summary>
/// Generates a NPOT 6x1 cubemap in the following format PX NX PY NY PZ NZ
/// </summary>
void GenerateTexture(Cubemap cubemap, string pathName)
{
// Encode the texture and save it to disk
pathName = pathName.Replace(".cubemap", (textureFormat == TexFormat.PNG) ? ".png" : ".jpg" ).ToLower():
pathName = pathName.Replace( cubeMapFolder.ToLower(), "" ):
string format = textureFormat.ToString():
string fullPath = EditorUtility.SaveFilePanel( string.Format( "Save Cubemap Screenshot as {0}", format ), "", pathName, format.ToLower() ):
if ( !string.IsNullOrEmpty( fullPath ) )
{
Debug.Log( "Saving: " + fullPath ):
OVRCubemapCapture.SaveCubemapCapture(cubemap, fullPath):
}
}
private static byte[] GetComponentsFromPixel(TexFormat format, int pixel, byte[] comp)
{
switch (format)
{
case TexFormat.L8:
comp[0] = (byte)(pixel & 0xFF);
break;
case TexFormat.LA8:
comp[0] = (byte)(pixel & 0xFF);
comp[1] = (byte)((pixel & 0xFF00) >> 8);
break;
case TexFormat.LA4:
comp[0] = (byte)((pixel & 0xF) * 17);
comp[1] = (byte)(((pixel & 0xF0) >> 4) * 17);
break;
case TexFormat.BGR565_UNORM:
comp[2] = Convert5To8((byte)((pixel >> 11) & 0x1F));
comp[1] = Convert6To8((byte)((pixel >> 5) & 0x3F));
comp[0] = Convert5To8((byte)(pixel & 0x1F));
comp[3] = 255;
break;
case TexFormat.RGB565_UNORM:
comp[0] = Convert5To8((byte)((pixel >> 11) & 0x1F));
comp[1] = Convert6To8((byte)((pixel >> 5) & 0x3F));
comp[2] = Convert5To8((byte)(pixel & 0x1F));
comp[3] = 255;
break;
case TexFormat.RGB5_UNORM:
{
int R = ((pixel >> 0) & 0x1f) << 3;
int G = ((pixel >> 5) & 0x1f) << 3;
int B = ((pixel >> 10) & 0x1f) << 3;
comp[0] = (byte)(R | (R >> 5));
comp[1] = (byte)(G | (G >> 5));
comp[2] = (byte)(B | (B >> 5));
}
break;
case TexFormat.RGBA4_UNORM:
{
comp[2] = Convert4To8((byte)(pixel & 0xF));
comp[1] = Convert4To8((byte)((pixel >> 4) & 0xF));
comp[0] = Convert4To8((byte)((pixel >> 8) & 0xF));
comp[3] = Convert4To8((byte)((pixel >> 12) & 0xF));
}
break;
case TexFormat.BGRA4_UNORM:
{
comp[3] = Convert4To8((byte)((pixel >> 12) & 0xF));
comp[0] = Convert4To8((byte)((pixel >> 8) & 0xF));
comp[1] = Convert4To8((byte)((pixel >> 4) & 0xF));
comp[2] = Convert4To8((byte)(pixel & 0xF));
}
break;
case TexFormat.RG4_UNORM:
{
comp[0] = Convert4To8((byte)((pixel >> 6) & 0xF));
comp[1] = Convert4To8((byte)((pixel >> 4) & 0xF));
comp[2] = Convert4To8((byte)((pixel >> 2) & 0xF));
}
break;
case TexFormat.RGB5A1_UNORM:
{
int R = ((pixel >> 0) & 0x1f) << 3;
int G = ((pixel >> 5) & 0x1f) << 3;
int B = ((pixel >> 10) & 0x1f) << 3;
int A = ((pixel & 0x8000) >> 15) * 0xFF;
comp[0] = (byte)(R | (R >> 5));
comp[1] = (byte)(G | (G >> 5));
comp[2] = (byte)(B | (B >> 5));
comp[3] = (byte)A;
}
break;
case TexFormat.GRGB8_UNORM:
comp[0] = (byte)((pixel & 0xFF00) >> 8);
comp[1] = (byte)(pixel & 0xFF);
comp[2] = (byte)((pixel & 0xFF00) >> 8);
comp[3] = (byte)((pixel & 0xFF0000) >> 16);
break;
case TexFormat.RG8_UNORM:
comp[0] = (byte)(pixel & 0xFF);
comp[1] = (byte)((pixel & 0xFF00) >> 8);
break;
case TexFormat.R8_UNORM:
comp[0] = (byte)(pixel & 0xFF);
comp[1] = (byte)(pixel & 0xFF);
comp[2] = (byte)(pixel & 0xFF);
break;
case TexFormat.RGB8_UNORM:
case TexFormat.RGB8_SRGB:
comp[2] = (byte)(pixel & 0xFF);
comp[1] = (byte)((pixel & 0xFF00) >> 8);
comp[0] = (byte)((pixel & 0xFF0000) >> 16);
comp[3] = (byte)(0xFF);
break;
case TexFormat.RGBA8_SINT:
case TexFormat.RGBA8_UINT:
case TexFormat.RGBA8_UNORM:
case TexFormat.RGBA8_SRGB:
case TexFormat.BGRA8_UNORM:
case TexFormat.BGRA8_SRGB:
comp[0] = (byte)(pixel & 0xFF);
comp[1] = (byte)((pixel & 0xFF00) >> 8);
comp[2] = (byte)((pixel & 0xFF0000) >> 16);
comp[3] = (byte)((pixel & 0xFF000000) >> 24);
break;
}
if (format.ToString().StartsWith("BGR"))
{
return(new byte[4] {
comp[1], comp[0], comp[2], comp[3]
});
}
return(comp);
}
public static bool IsBCNCompressed(TexFormat Format)
{
return(Format.ToString().StartsWith("BC"));
}