public void Add(FontCharCollection chars)
{
foreach (FontChar c in chars)
{
Add(c);
}
}
public TextRecognizer(List <FontFamily> families, List <FontStyle> styles, int size_start, int size_end, int spacing)
{
fonts = new List <FontCharCollection>();
matcher = new FontCharMatcher();
foreach (FontFamily family in families)
{
for (int size = size_start; size <= size_end; size += spacing)
{
foreach (FontStyle style in styles)
{
if (family.IsStyleAvailable(style))
{
Font font = new Font(family, size, style, GraphicsUnit.Pixel);
//Console.WriteLine("Processing font: {0} [{1}, {2}]", family.GetName(0), size, style);
FontCharCollection fcc = new FontCharCollection(font);
for (int i = 33; i <= 128; i++)
{
fcc.Add(new FontChar(fcc, (char)i));
}
fcc.Add(new FontChar(fcc, '€')); // Add € symbol.
fcc.SortBySize();
fonts.Add(fcc);
matcher.Add(fcc);
}
}
}
}
}
public FontChar(FontCharCollection font_chars, char character)
{
this.character = character;
this.font_chars = font_chars;
this.font = font_chars.Font;
this.color = Color.White.ToArgb();
string s_char = "" + character;
Size size = TextRenderer.MeasureText(s_char, font, new Size(int.MaxValue, int.MaxValue));
size.Width *= 2;
size.Height *= 2;
Bitmap char_bmp = new Bitmap(size.Width, size.Height);
Graphics g = Graphics.FromImage(char_bmp);
TextRenderer.DrawText(g, s_char, font, new Point(0, 0), Color.White, TextFormatFlags.NoPrefix);
//if ((int)character == 8364)
//{
// char_bmp.Save("etmerkki.bmp");
// Console.ReadLine();
//}
//g.DrawString(s_char, font, new SolidBrush(Color.White), new Point(0, 0));
//g.Flush();
bitmap = new FastBitmap(BitmapAnalyzer.BoundingBitmap(char_bmp, this.color, out crop_rect));
y_offsets = new int[bitmap.Width];
pixel_count = 0;
for (int x = 0; x < bitmap.Width; x++)
{
y_offsets[x] = -1;
for (int y = 0; y < bitmap.Height; y++)
{
if (bitmap.GetPixel(x, y) == this.color)
{
if (y_offsets[x] < 0)
{
y_offsets[x] = y;
}
pixel_count++;
}
}
}
}
