public DDS(ParsedBitmap.BitmapInfo bmInfo, FileStream fs)
{
this.classType = classTypes.DDS;
this.BitsPerPixel = bmInfo.bitsPerPixel;
this.Width = bmInfo.width;
this.Height = bmInfo.height;
this.Depth = bmInfo.depth;
this.Format = bmInfo.format;
this.FormatName = bmInfo.formatname;
this.Compressed = bmInfo.format.ToString().ToUpper().Contains("DXT");
this.Swizzle = bmInfo.swizzle;
this.MipMapCount = bmInfo.mipMapCount;
this.stream = fs;
this.streamOffset = (int)fs.Position;
this.streamSize = (int)fs.Length;
}
public DDS(ParsedBitmap.BitmapInfo bmInfo, FileStream fs)
{
this.classType = classTypes.DDS;
this.BitsPerPixel = bmInfo.bitsPerPixel;
this.Width = bmInfo.width;
this.Height = bmInfo.height;
this.Depth = bmInfo.depth;
this.Format = bmInfo.format;
this.FormatName = bmInfo.formatname;
this.Compressed = bmInfo.format.ToString().ToUpper().Contains("DXT");
this.Swizzle = bmInfo.swizzle;
this.MipMapCount = bmInfo.mipMapCount;
this.stream = fs;
this.streamOffset = (int)fs.Position;
this.streamSize = (int)fs.Length;
}
public void loadDDSInfo(string filename, ParsedBitmap pb)
{
FileStream fs = new FileStream(filename, FileMode.Open);
BinaryReader br = new BinaryReader(fs);
dds.ReadStruct(ref br);
// Determine Format Type
ParsedBitmap.BitmapType bitmapType = ParsedBitmap.BitmapType.BITM_TYPE_2D;
if (((int)DDS.DDSEnum.DDSCAPS2_VOLUME & dds.ddsd.ddsCaps.caps2) > 0)
{
bitmapType = ParsedBitmap.BitmapType.BITM_TYPE_3D;
}
else if (((int)DDS.DDSEnum.DDSCAPS2_CUBEMAP & dds.ddsd.ddsCaps.caps2) > 0)
{
bitmapType = ParsedBitmap.BitmapType.BITM_TYPE_CUBEMAP;
}
// Used to display external (file) bitmap to be injected
int tempsize = dds.ddsd.width * dds.ddsd.height;
switch (dds.ddsd.ddfPixelFormat.FourCC)
{
case "DXT1":
tempsize /= 2;
break;
case "DXT2":
case "DXT3":
case "DXT4":
case "DXT5":
// tempsize /= 1;
break;
// for non-compressed
default:
tempsize *= dds.ddsd.ddfPixelFormat.RGBBitCount >> 3;
break;
}
int widthPad = 0;
if (dds.ddsd.width % 16 != 0)
{
widthPad = 16 - dds.ddsd.width % 16;
}
int byteStep = dds.ddsd.ddfPixelFormat.RGBBitCount / 8;
/*
* int totalSize = tempsize + (dds.ddsd.height * widthPad * byteStep);
* if (bitmapType == ParsedBitmap.BitmapType.BITM_TYPE_CUBEMAP)
* totalSize *= 6;
* byte[] guh = new byte[totalSize];
*/
byte[] guh = new byte[br.BaseStream.Length - br.BaseStream.Position]; // + (widthPad * dds.ddsd.height * byteStep)];
br.BaseStream.Read(guh, 0, guh.Length);
// Determine DDS Format
ParsedBitmap.BitmapFormat bmf = DDS.getBitmapFormat(dds);
// G8B8 same as A8Y8 (found as A8Y8), but adjusted to 128 as center
if (bmf == ParsedBitmap.BitmapFormat.BITM_FORMAT_A8Y8 &&
pb.Properties[0].formatname == ParsedBitmap.BitmapFormat.BITM_FORMAT_G8B8)
{
for (int ii = 0; ii < guh.Length; ii++)
{
guh[ii] += 128;
}
bmf = ParsedBitmap.BitmapFormat.BITM_FORMAT_G8B8;
}
pbSourceDDS.Image = ParsedBitmap.DecodeBitm(
guh,
dds.ddsd.height,
dds.ddsd.width,
dds.ddsd.depth,
dds.ddsd.ddfPixelFormat.RGBBitCount,
bitmapType,
bmf,
false,
null,
-1,
-1);
br.Close();
fs.Close();
#region Fill the source info box with the DDS information
this.lbSourceDDS.Items.Add("Aspect : " + dds.ddsd.width + "x" + dds.ddsd.height);
this.lbSourceDDS.Items.Add("w/ Pad : " + (dds.ddsd.width + widthPad) + "x" + dds.ddsd.height);
int bpp = 32;
string format = string.Empty;
switch (dds.ddsd.ddfPixelFormat.FourCC)
{
case "DXT1":
format = "DXT1";
break;
case "DXT2":
case "DXT3":
format = "DXT2AND3";
break;
case "DXT4":
case "DXT5":
format = "DXT4AND5";
break;
default:
bpp = dds.ddsd.ddfPixelFormat.RGBBitCount;
int aCount = 0;
int rCount = 0;
int gCount = 0;
int bCount = 0;
for (int i = 0; i < bpp; i++)
{
// # of alpha bits
if ((dds.ddsd.ddfPixelFormat.RGBAlphaBitMask & (1 << i)) != 0)
{
aCount++;
}
// # of red bits
if ((dds.ddsd.ddfPixelFormat.RBitMask & (1 << i)) != 0)
{
rCount++;
}
// # of green bits
if ((dds.ddsd.ddfPixelFormat.GBitMask & (1 << i)) != 0)
{
gCount++;
}
// # of blue bits
if ((dds.ddsd.ddfPixelFormat.BBitMask & (1 << i)) != 0)
{
bCount++;
}
}
if ((aCount > 0) && ((dds.ddsd.ddfPixelFormat.Flags & 0x03) > 0))
{
format += "A" + aCount;
}
else if (bpp - (rCount + gCount + bCount) > 0)
{
format += "X" + (bpp - (rCount + gCount + bCount));
}
if (rCount > 0)
{
format += "R" + rCount;
}
if (gCount > 0)
{
format += "G" + gCount;
}
if (bCount > 0)
{
format += "B" + bCount;
}
break;
}
lbSourceDDS.Items.Add("BPP : " + bpp);
lbSourceDDS.Items.Add("Type : " + bitmapType.ToString().Substring(10));
lbSourceDDS.Items.Add("Format : " + format); // remove "BITMAP_FORMAT_"
lbSourceDDS.Items.Add("# Mips : " + Math.Max(dds.ddsd.MipMapCount - 1, 0));
#endregion
}
