private static void computeLevels()
{
grayLevels = new int[AsciiArt.characterSet.Length];
Font font = AsciiArt.GetFont();
glyphs = new List <Glyph>();
for (int lvl = 0; lvl < AsciiArt.characterSet.Length; lvl++)
{
string s = AsciiArt.characterSet[lvl].ToString();
Bitmap bmp = new Bitmap(100, 100);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.White);
g.DrawString(s, font, Brushes.Black, 0, 0);
int width = (int)g.MeasureString("#", font).Width - 2;
int height = (int)g.MeasureString("#", font).Height;
int totalGray = 0;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Color col = bmp.GetPixel(x, y);
int value = Draw.RgbToGray(col.R, col.G, col.B);
totalGray += value;
}
}
int grayLevel = (int)(255f * (float)totalGray / (float)(width * height * 255));
glyphs.Add(new Glyph(characterSet[lvl], grayLevel));
}
glyphs.Sort(delegate(Glyph g1, Glyph g2) { return(g1.level.CompareTo(g2.level)); });
levelsComputed = true;
}
private void btnConvert_Click(object sender, EventArgs e)
{
int w = 100, h = 100;
int.TryParse(txtWidth.Text, out w);
int.TryParse(txtHeight.Text, out h);
string text = AsciiArt.Process(inputImage, w, h, textParam.Text);
Font fnt = AsciiArt.GetFont();
Output dlgOut = new Output();
dlgOut.WndText = text;
dlgOut.Fnt = fnt;
dlgOut.ShowDialog();
}