public DDSImage(SubStream data)
{
if (data.GetByte(0) == 'D' && data.GetByte(1) == 'D' && data.GetByte(2) == 'S' && data.GetByte(3) == ' ')
{
Height = data.GetInt32(12);
Width = data.GetInt32(16);
Depth = data.GetInt32(24);
Flags = data.GetUInt32(8);
Pitch = data.GetInt32(20);
FourCC = Encoding.ASCII.GetString(data.GetBytes(84, 4));
RGBBitCount = data.GetInt32(88);
RedMask = data.GetUInt32(92);
GreenMask = data.GetUInt32(96);
BlueMask = data.GetUInt32(100);
AlphaMask = data.GetUInt32(104);
Data = data;
ImageOffset = 128;
if (Depth == 0)
{
Depth = 1;
}
if ((Flags & 8) == 0)
{
Pitch = Width * RGBBitCount / 8;
}
IsARGB32 = (FourCC == "DXT1" || FourCC == "DXT2" || FourCC == "DXT3" || FourCC == "DXT4" || FourCC == "DXT5" || FourCC == "\0\0\0\0");
IntensityFactor = 1.0;
try
{
FailureReason = null;
switch (FourCC)
{
case "DXT1":
Bitmap = GetBitmapFromDDS_DXT1(Data, ImageOffset, Width, Height, out HasAlpha);
break;
case "DXT2":
Bitmap = GetBitmapFromDDS_DXT3(Data, ImageOffset, Width, Height, true, out HasAlpha);
break;
case "DXT3":
Bitmap = GetBitmapFromDDS_DXT3(Data, ImageOffset, Width, Height, false, out HasAlpha);
break;
case "DXT4":
Bitmap = GetBitmapFromDDS_DXT5(Data, ImageOffset, Width, Height, true, out HasAlpha);
break;
case "DXT5":
Bitmap = GetBitmapFromDDS_DXT5(Data, ImageOffset, Width, Height, false, out HasAlpha);
break;
case "\0\0\0\0":
Bitmap = GetBitmapFromDDS_RAW(Data, ImageOffset, Width, Height, Pitch, RGBBitCount, RedMask, GreenMask, BlueMask, AlphaMask, out HasAlpha, out IsARGB32);
break;
case "q\0\0\0":
Bitmap = GetBitmapFromDDS_ARGB16F(Data, ImageOffset, Width, Height, out HasAlpha, out IntensityFactor);
break;
default:
Bitmap = null;
FailureReason = String.Format("Unknown DDS FourCC {0:X2}:{1:X2}:{2:X2}:{3:X2}", Data.GetByte(84), Data.GetByte(85), Data.GetByte(86), Data.GetByte(87));
break;
}
}
catch (Exception ex)
{
Bitmap = null;
FailureReason = ex.Message;
}
}
else
{
throw new NotImplementedException(String.Format("Unknown file format {0:X2}:{1:X2}:{2:X2}:{3:X2}", data.GetByte(0), data.GetByte(1), data.GetByte(2), data.GetByte(3)));
}
}
public DDSImage(SubStream data)
{
if (data.GetByte(0) == 'D' && data.GetByte(1) == 'D' && data.GetByte(2) == 'S' && data.GetByte(3) == ' ')
{
Height = data.GetInt32(12);
Width = data.GetInt32(16);
Depth = data.GetInt32(24);
Flags = data.GetUInt32(8);
Pitch = data.GetInt32(20);
FourCC = Encoding.ASCII.GetString(data.GetBytes(84, 4));
RGBBitCount = data.GetInt32(88);
RedMask = data.GetUInt32(92);
GreenMask = data.GetUInt32(96);
BlueMask = data.GetUInt32(100);
AlphaMask = data.GetUInt32(104);
Data = data;
ImageOffset = 128;
if (Depth == 0)
{
Depth = 1;
}
if ((Flags & 8) == 0)
{
Pitch = Width * RGBBitCount / 8;
}
IsARGB32 = (FourCC == "DXT1" || FourCC == "DXT2" || FourCC == "DXT3" || FourCC == "DXT4" || FourCC == "DXT5" || FourCC == "\0\0\0\0");
IntensityFactor = 1.0;
try
{
FailureReason = null;
switch (FourCC)
{
case "DXT1":
Bitmap = GetBitmapFromDDS_DXT1(Data, ImageOffset, Width, Height, out HasAlpha);
break;
case "DXT2":
Bitmap = GetBitmapFromDDS_DXT3(Data, ImageOffset, Width, Height, true, out HasAlpha);
break;
case "DXT3":
Bitmap = GetBitmapFromDDS_DXT3(Data, ImageOffset, Width, Height, false, out HasAlpha);
break;
case "DXT4":
Bitmap = GetBitmapFromDDS_DXT5(Data, ImageOffset, Width, Height, true, out HasAlpha);
break;
case "DXT5":
Bitmap = GetBitmapFromDDS_DXT5(Data, ImageOffset, Width, Height, false, out HasAlpha);
break;
case "\0\0\0\0":
Bitmap = GetBitmapFromDDS_RAW(Data, ImageOffset, Width, Height, Pitch, RGBBitCount, RedMask, GreenMask, BlueMask, AlphaMask, out HasAlpha, out IsARGB32);
break;
case "q\0\0\0":
Bitmap = GetBitmapFromDDS_ARGB16F(Data, ImageOffset, Width, Height, out HasAlpha, out IntensityFactor);
break;
default:
Bitmap = null;
FailureReason = String.Format("Unknown DDS FourCC {0:X2}:{1:X2}:{2:X2}:{3:X2}", Data.GetByte(84), Data.GetByte(85), Data.GetByte(86), Data.GetByte(87));
break;
}
}
catch (Exception ex)
{
Bitmap = null;
FailureReason = ex.Message;
}
}
else
{
throw new NotImplementedException(String.Format("Unknown file format {0:X2}:{1:X2}:{2:X2}:{3:X2}", data.GetByte(0), data.GetByte(1), data.GetByte(2), data.GetByte(3)));
}
}