public static byte[] Encode(System.Drawing.Bitmap bmp, ref byte[] palbin, byte csa = 0)
{
int pixelSize = bmp.Width * bmp.Height;
System.Diagnostics.Debug.WriteLine("TexUt2.Decode: bw = " + (bmp.Width / 128) + "; BH = " + (bmp.Height / 64) + "; type = " + (bmp.PixelFormat == System.Drawing.Imaging.PixelFormat.Format8bppIndexed ? "19" : "20") + "; size = " + pixelSize + "; width = " + bmp.Width + "; height = " + bmp.Height);
switch (bmp.PixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
csa = 0;
break;
case System.Drawing.Imaging.PixelFormat.Format4bppIndexed:
pixelSize /= 2;
csa *= 64;
break;
default: throw new NotSupportedException("Unsupported type");
}
//Palette
{
byte[] destinationArray = new byte[1024];
for (int i = 0; i < 256; i++)
{
Buffer.BlockCopy(palbin, 4 * i, destinationArray, 4 * (i + tbl[i & 0x7F]), 4);
}
System.Drawing.Imaging.ColorPalette palette = bmp.Palette;
for (int i = 0; i < palette.Entries.Length; i++)
{
int c = csa + (i * 4);
uint argb = (uint)palette.Entries[i].ToArgb();
destinationArray[c + 3] = (byte)Math.Ceiling((double)(argb >> 24) / 2);
destinationArray[c] = (byte)(argb >> 16);
destinationArray[c + 1] = (byte)(argb >> 8);
destinationArray[c + 2] = (byte)argb;
}
for (int i = 0; i < 256; i++)
{
Buffer.BlockCopy(destinationArray, 4 * (i + tbl[i & 0x7F]), palbin, 4 * i, 4);
}
}
//Pixels
byte[] bin = new byte[pixelSize];
{
System.Drawing.Imaging.BitmapData bitmapdata = bmp.LockBits(System.Drawing.Rectangle.FromLTRB(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, bmp.PixelFormat);
try { System.Runtime.InteropServices.Marshal.Copy(bitmapdata.Scan0, bin, 0, pixelSize); }
finally { bmp.UnlockBits(bitmapdata); }
}
switch (bmp.PixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
bin = Reform.Encode8(bin, bmp.Width / 128, bmp.Height / 64);
break;
case System.Drawing.Imaging.PixelFormat.Format4bppIndexed:
bin = Reform.Encode4(bin, bmp.Width / 128, bmp.Height / 128);
break;
}
return(bin);
}
private static byte[] getDataRF(BinaryReader br, long baseP, out long ramOffset, out long fileOffset)
{
ulong num = br.ReadUInt64();
ramOffset = 256u * (((uint)(num >> 0x20)) & 0x3FFFu);
int bw = ((int)(num >> 0x30)) & 0x3F;
uint type = ((uint)(num >> 0x38)) & 0x3F;
#if TRACE
br.BaseStream.Position += 8;
Trace.Assert((num & 0x3fff) == 0);
Trace.Assert(((num >> 16) & 0x3f) == 0);
Trace.Assert(((num >> 0x18) & 0x3f) == 0);
num = br.ReadUInt64();
br.BaseStream.Position += 8;
Trace.Assert((num & 0x7ff) == 0);
Trace.Assert(((num >> 0x10) & 0x7ff) == 0);
Trace.Assert(((num >> 0x20) & 0x7ff) == 0);
Trace.Assert(((num >> 0x30) & 0x7ff) == 0);
Trace.Assert(((num >> 0x3b) & 3) == 0);
br.BaseStream.Position += 16;
Trace.Assert((br.ReadUInt64() & 2) == 0);
br.BaseStream.Position += 8;
#else
br.BaseStream.Position += 8 + 16 + 16 + 16;
#endif
int size = (br.ReadUInt16() & 0x7FFF) << 4;
br.BaseStream.Position += 0x12L;
br.BaseStream.Position = fileOffset = baseP + br.ReadInt32();
byte[] buffer = new byte[size];
Debug.WriteLine("Reading " + size + " bytes...");
#if DEBUG
{
int t = br.BaseStream.Read(buffer, 0, size);
Debug.WriteLineIf(t != size, "Expected " + size + " bytes, but only got " + t + " bytes!");
}
#else
br.BaseStream.Read(buffer, 0, size);
#endif
Debug.WriteLine("bw = " + bw + "; type = " + type + "; size = " + size);
size /= 8192;
switch (type)
{
case 0:
if (bw > 0)
{
buffer = Reform.Encode32(buffer, bw, size / bw);
}
break;
case 19:
bw /= 2;
if (bw > 0)
{
buffer = Reform.Encode8(buffer, bw, size / bw);
}
break;
case 20:
bw /= 2;
if (bw > 0)
{
buffer = Reform.Encode4(buffer, bw, size / bw);
}
break;
default:
throw new NotSupportedException("Unknown type: " + type);
}
return(buffer);
}
protected override void setBMPInternal(int index, ref Bitmap bmp)
{
if (!this.file.CanWrite)
{
throw new NotSupportedException("Stream is readonly.");
}
long pos = getIMGDOffset(index);
this.file.Seek(pos, SeekOrigin.Begin);
if (this.file.ReadUInt32() != 0x44474D49)
{
throw new InvalidDataException("IMGD has bad signature.");
}
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();
if (bmp.Width != width || bmp.Height != height)
{
throw new NotSupportedException("New image has different dimensions.");
}
PixelFormat pf;
switch (type)
{
case 19: pf = PixelFormat.Format8bppIndexed; break;
case 20: pf = PixelFormat.Format4bppIndexed; break;
default: throw new NotSupportedException("Unsupported IMGD type");
}
if (bmp.PixelFormat != pf)
{
requestQuantize(ref bmp, pf);
}
{
BitmapData pix = bmp.LockBits(System.Drawing.Rectangle.FromLTRB(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, pf);
byte[] buffer = new byte[pixelLength];
try { System.Runtime.InteropServices.Marshal.Copy(pix.Scan0, buffer, 0, (int)pixelLength); }
finally { bmp.UnlockBits(pix); }
switch (pf)
{
case PixelFormat.Format8bppIndexed:
if (encode == 7)
{
buffer = Reform.Decode32(Reform.Encode8(buffer, width / 128, height / 64), width / 128, height / 64);
}
break;
case PixelFormat.Format4bppIndexed:
if (encode == 7)
{
buffer = Reform.Decode32(Reform.Encode4(buffer, width / 128, height / 128), width / 128, height / 128);
}
else
{
Reform.swapHLUT(buffer);
}
break;
}
this.file.Seek(pos + pixelOffset, SeekOrigin.Begin);
this.file.Write(buffer, 0, (int)pixelLength);
}
{
ColorPalette palette = bmp.Palette;
byte[] buffer = new byte[paletteLength];
switch (pf)
{
case PixelFormat.Format8bppIndexed:
for (int i = 0; i < 256; i++)
{
uint argb = (uint)palette.Entries[Reform.paletteSwap34(i)].ToArgb();
buffer[(i * 4) + 3] = (byte)Math.Ceiling((double)(argb >> 24) / 2);
buffer[i * 4] = (byte)(argb >> 16);
buffer[i * 4 + 1] = (byte)(argb >> 8);
buffer[i * 4 + 2] = (byte)argb;
}
break;
case PixelFormat.Format4bppIndexed:
for (int i = 0; i < 16; i++)
{
uint argb = (uint)palette.Entries[i].ToArgb();
buffer[(i * 4) + 3] = (byte)Math.Ceiling((double)(argb >> 24) / 2);
buffer[i * 4] = (byte)(argb >> 16);
buffer[i * 4 + 1] = (byte)(argb >> 8);
buffer[i * 4 + 2] = (byte)argb;
}
break;
}
this.file.Seek(pos + paletteOffset, SeekOrigin.Begin);
this.file.Write(buffer, 0, (int)paletteLength);
}
}
