public static string RandomWord(int n)
{
var lookup = new char[2];
var builder = new StringBuilder(n);
while (builder.Length < n)
{
if (builder.Length < 2)
{
builder.Append(RndUtil.Choice(Bigrams));
continue;
}
lookup[0] = builder[builder.Length - 2];
lookup[1] = builder[builder.Length - 1];
var bigram = new string(lookup);
var candidates = builder.Length == n - 1 ? Trigrams.GetOrDefault(bigram)?.Item2 : Trigrams.GetOrDefault(bigram)?.Item1;
if (candidates?.Length > 0)
{
builder.Append(RndUtil.Choice(candidates));
}
else
{
builder.Length = Math.Max(0, builder.Length - 3);
}
}
return(builder.ToString().ToLower());
}
public static string RandomText(int n)
{
var builder = new StringBuilder(n);
while (builder.Length < n)
{
builder.Append(RandomWord(RndUtil.GetInt(2, 10)));
builder.Append(' ');
}
builder.Length = n;
builder[0] = char.ToUpper(builder[0]);
return(builder.ToString());
}
public static Bitmap RndBmp(int width, int height)
{
var files = Directory.GetFiles(DirPath);
var file1 = (Bitmap)Image.FromFile(RndUtil.Choice(files));
var file2 = (Bitmap)Image.FromFile(RndUtil.Choice(files));
var bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb);
using (var dbmp = new DirectBitmap(bmp, 0, 0, width, height))
using (var dbmp1 = GetRandomWindow(file1, width, height))
using (var dbmp2 = GetRandomWindow(file2, width, height))
{
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
dbmp.FastSetPixel(x, y, dbmp1.FastGetPixel(x, y).Blend(dbmp2.FastGetPixel(x, y)));
}
}
}
return(bmp);
}