private static HueEntry[] LoadHueIndex()
{
HueEntry[] entries = new HueEntry[3000];
if (!File.Exists(Path.Combine(_dataPath, "hues.mul")))
{
throw new FileNotFoundException("File not found", "hues.mul");
}
using (FileStream reader = File.Open(Path.Combine(_dataPath, "hues.mul"), FileMode.Open,
FileAccess.Read, FileShare.ReadWrite))
{
BinaryReader binaryReader = new BinaryReader(reader);
int total = 0;
for (int i = 0; i < BlockCount; i++)
{
binaryReader.ReadInt32();
for (int j = 0; j < 8; ++j, ++total)
{
entries[total] = HueEntry.Read(binaryReader);
}
}
}
return(entries);
}
public static HueEntry Read(BinaryReader reader)
{
// ReSharper disable once UseObjectOrCollectionInitializer
HueEntry entry = new HueEntry();
entry.Colors = new short[32];
for (int i = 0; i < 32; ++i)
{
entry.Colors[i] = (short)(reader.ReadUInt16() | 0x8000);
}
entry.TableStart = (short)(reader.ReadUInt16() | 0x8000);
entry.TableEnd = (short)(reader.ReadUInt16() | 0x8000);
entry.Name = Encoding.ASCII.GetString(reader.ReadBytes(20)).TrimEnd('\0');
return(entry);
}
public static unsafe void ApplyHue(int hue, Bitmap bmp, bool onlyHueGrayPixels)
{
BitmapData bd = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadWrite,
PixelFormat.Format16bppArgb1555);
hue = (hue & 0x3FFF) - 1;
int stride = bd.Stride >> 1;
int width = bd.Width;
int height = bd.Height;
int delta = stride - width;
ushort *pBuffer = (ushort *)bd.Scan0;
ushort *pLineEnd = pBuffer + width;
ushort *pImageEnd = pBuffer + stride * height;
if (onlyHueGrayPixels)
{
while (pBuffer < pImageEnd)
{
while (pBuffer < pLineEnd)
{
int c = *pBuffer;
if (c != 0)
{
int r = (c >> 10) & 0x1F;
int g = (c >> 5) & 0x1F;
int b = c & 0x1F;
if (r == g && r == b)
{
*pBuffer = (ushort)_lazyHueEntries.Value[hue].Colors[(c >> 10) & 0x1F];
}
}
++pBuffer;
}
pBuffer += delta;
pLineEnd += stride;
}
}
else
{
while (pBuffer < pImageEnd)
{
while (pBuffer < pLineEnd)
{
if (*pBuffer != 0)
{
int index = (*pBuffer >> 10) & 0x1F;
HueEntry hueEntry = _lazyHueEntries.Value[hue];
* pBuffer = (ushort)hueEntry.Colors[index];
}
++pBuffer;
}
pBuffer += delta;
pLineEnd += stride;
}
}
bmp.UnlockBits(bd);
}
