public static System.Drawing.Bitmap Decode(byte[] picbin, byte[] palbin, uint type, ushort width, ushort height, byte csa = 0)
{
System.Drawing.Imaging.PixelFormat pf;
System.Diagnostics.Debug.WriteLine("TexUt2.Decode: bw = " + (width / 128) + "; BH = " + (height / 64) + "; type = " + type + "; size = " + picbin.Length + "; width = " + width + "; height = " + height);
switch (type)
{
case 19:
pf = System.Drawing.Imaging.PixelFormat.Format8bppIndexed;
picbin = Reform.Decode8(picbin, width / 128, height / 64);
break;
case 20:
pf = System.Drawing.Imaging.PixelFormat.Format4bppIndexed;
picbin = Reform.Decode4(picbin, width / 128, height / 128);
break;
default: throw new NotSupportedException("Unsupported image type.");
}
System.Drawing.Bitmap pic = new System.Drawing.Bitmap(width, height, pf);
{
System.Drawing.Imaging.BitmapData bitmapdata = pic.LockBits(System.Drawing.Rectangle.FromLTRB(0, 0, width, height), System.Drawing.Imaging.ImageLockMode.WriteOnly, pf);
try { System.Runtime.InteropServices.Marshal.Copy(picbin, 0, bitmapdata.Scan0, Math.Min(picbin.Length, bitmapdata.Stride * height)); }
finally { pic.UnlockBits(bitmapdata); }
}
/*The palette is swizzled, or something...*/
{
byte[] destinationArray = new byte[1024];
for (int i = 0; i < 256; i++)
{
Buffer.BlockCopy(palbin, 4 * i, destinationArray, 4 * (i + tbl[i & 0x7F]), 4);
}
Buffer.BlockCopy(destinationArray, 0, palbin, 0, 1024);
}
type = 0;
System.Drawing.Imaging.ColorPalette palette = pic.Palette;
switch (pf)
{
case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
type = 256;
csa = 0;
break;
case System.Drawing.Imaging.PixelFormat.Format4bppIndexed:
type = 16;
csa *= 64;
break;
}
for (int i = 0; i < type; i++)
{
int c = csa + (i * 4);
//Because of rounding, when reading values back use Math.Ceiling(input/2)
palette.Entries[i] = System.Drawing.Color.FromArgb((int)Math.Min(palbin[c + 3] * 2, 255), palbin[c], palbin[c + 1], palbin[c + 2]);
}
pic.Palette = palette;
return(pic);
}
private static void setData(BinaryReader br, long baseP, byte[] data)
{
ulong num = br.ReadUInt64();
int bw = ((int)(num >> 0x30)) & 0x3F;
uint type = ((uint)(num >> 0x38)) & 0x3F;
br.BaseStream.Position += 8 + 16 + 16 + 16;
int size = (br.ReadUInt16() & 0x7FFF) << 4;
br.BaseStream.Position += 0x12L;
br.BaseStream.Position = baseP + br.ReadInt32();
Debug.WriteLine("writing:bw = " + bw + "; type = " + type + "; size = " + size);
int ds = size / 8192;
switch (type)
{
case 0:
if (bw > 0)
{
data = Reform.Decode32(data, bw, ds / bw);
}
break;
case 19:
bw /= 2;
if (bw > 0)
{
data = Reform.Decode8(data, bw, ds / bw);
}
break;
case 20:
bw /= 2;
if (bw > 0)
{
data = Reform.Decode4(data, bw, ds / bw);
}
break;
default:
throw new NotSupportedException("Unknown type: " + type);
}
Debug.WriteLine("Writing " + size + " bytes...");
Debug.WriteLineIf(size < data.Length, "Expected " + size + " bytes, but got " + data.Length + " bytes; Truncating!");
Debug.WriteLineIf(size > data.Length, "Expected " + size + " bytes, but only got " + data.Length + " bytes!");
br.BaseStream.Write(data, 0, Math.Min(size, (int)Math.Min(data.Length, br.BaseStream.Length - br.BaseStream.Position)));
}
private void parseD(long pos, long len, int index)
{
if (pos + len > this.file.BaseStream.Length)
{
throw new IndexOutOfRangeException("IMGD goes past file bounds");
}
this.file.Seek(pos, SeekOrigin.Begin);
if (this.file.ReadUInt32() != 0x44474D49)
{
throw new InvalidDataException("IMGD has bad signature");
}
#if DEBUG
uint pixelOffset, pixelLength, paletteOffset, paletteLength;
ushort width, height, type;
byte encode;
Debug.WriteLine(String.Format("---IMGD---\nN0: {0}\npixelOffset: {1}\npixelLength: {2}\npaletteOffset: {3}\npaletteLength: {4}\nN5: {5}\nN6: {6}\nwidth: {7}\nheight: {8}\nN9: {9}\nN10: {10}\ntype: {11}\nN12: {12}\nN13: {13}\nN14: {14}\nN15: {15}\nN16: {16}\nencode: {17}\n---IMGD End---",
this.file.ReadUInt32(),
pixelOffset = this.file.ReadUInt32(),
pixelLength = this.file.ReadUInt32(),
paletteOffset = this.file.ReadUInt32(),
paletteLength = this.file.ReadUInt32(),
this.file.ReadUInt16(),
this.file.ReadUInt16(),
width = this.file.ReadUInt16(),
height = this.file.ReadUInt16(),
this.file.ReadUInt32(),
this.file.ReadUInt16(),
type = this.file.ReadUInt16(),
this.file.ReadUInt32(),
this.file.ReadUInt32(),
this.file.ReadUInt32(),
this.file.ReadUInt32(),
this.file.ReadUInt32(),
encode = this.file.ReadByte()
));
#else
this.file.Seek(4, SeekOrigin.Current);
uint pixelOffset = this.file.ReadUInt32(),
pixelLength = this.file.ReadUInt32(),
paletteOffset = this.file.ReadUInt32(),
paletteLength = this.file.ReadUInt32();
this.file.Seek(4, SeekOrigin.Current);
ushort width = this.file.ReadUInt16(),
height = this.file.ReadUInt16();
this.file.Seek(6, SeekOrigin.Current);
ushort type = this.file.ReadUInt16();
this.file.Seek(20, SeekOrigin.Current);
byte encode = this.file.ReadByte();
#endif
if (pixelOffset + pixelLength > len)
{
throw new IndexOutOfRangeException("IMGD pixel data goes past file bounds");
}
if (paletteOffset + paletteLength > len)
{
throw new IndexOutOfRangeException("IMGD palette data goes past file bounds");
}
PixelFormat pf;
switch (type)
{
case 19: pf = PixelFormat.Format8bppIndexed; break;
case 20: pf = PixelFormat.Format4bppIndexed; break;
default: throw new NotSupportedException("Unsupported IMGD type");
}
Bitmap bmp = new Bitmap(width, height, pf);
{
this.file.Seek(pos + pixelOffset, SeekOrigin.Begin);
byte[] buffer = this.file.ReadBytes((int)pixelLength);
switch (pf)
{
case PixelFormat.Format8bppIndexed:
if (encode == 7)
{
buffer = Reform.Decode8(Reform.Encode32(buffer, width / 128, height / 64), width / 128, height / 64);
}
break;
case PixelFormat.Format4bppIndexed:
if (encode == 7)
{
buffer = Reform.Decode4(Reform.Encode32(buffer, width / 128, height / 128), width / 128, height / 128);
}
else
{
Reform.swapHLUT(buffer);
}
break;
}
BitmapData pix = bmp.LockBits(System.Drawing.Rectangle.FromLTRB(0, 0, width, height), System.Drawing.Imaging.ImageLockMode.WriteOnly, pf);
try { System.Runtime.InteropServices.Marshal.Copy(buffer, 0, pix.Scan0, (int)pixelLength); }
finally { bmp.UnlockBits(pix); }
}
{
this.file.Seek(pos + paletteOffset, SeekOrigin.Begin);
byte[] buffer = this.file.ReadBytes((int)paletteLength);
ColorPalette palette = bmp.Palette;
//Because of rounding, when reading values back use Math.Ceiling(input/2)
switch (pf)
{
case PixelFormat.Format8bppIndexed:
for (int i = 0; i < 256; i++)
{
palette.Entries[Reform.paletteSwap34(i)] = Color.FromArgb((int)Math.Min(buffer[(i * 4) + 3] * 2, 255), buffer[i * 4], buffer[(i * 4) + 1], buffer[(i * 4) + 2]);
Debug.WriteLineIf(buffer[(i * 4) + 3] > 128, "Transparency before transform is over 128: " + buffer[(i * 4) + 3]);
}
break;
case PixelFormat.Format4bppIndexed:
for (int i = 0; i < 16; i++)
{
palette.Entries[i] = Color.FromArgb((int)Math.Min(buffer[(i * 4) + 3] * 2, 255), buffer[i * 4], buffer[(i * 4) + 1], buffer[(i * 4) + 2]);
Debug.WriteLineIf(buffer[(i * 4) + 3] > 128, "Transparency before transform is over 128: " + buffer[(i * 4) + 3]);
}
break;
}
bmp.Palette = palette;
}
this.bmps.Add(bmp);
}
