private void CalculateOffset()
{
using (Font font = CreateFont())
using (Bitmap bitmap = CreateOffsetTestBitmap(font))
using (DisposableBitmapData bmpData = bitmap.LockRead()) {
BitmapData data = bmpData;
bool offsetFound = false;
for (int x = 0; x <= bitmap.Width; x++)
{
bool match = x != bitmap.Width && !data.MatchesColor(x, bitmap.Height / 2, Color.White);
if (match)
{
Offset = new Size(x, Offset.Height);
break;
}
/*if (!offsetFound && match) {
* Offset = new Size(x, Offset.Height);
* offsetFound = true;
* break;
* }
* else if (offsetFound && !match) {
* Size = new Size(x - Offset.Width, Size.Height);
* }*/
}
offsetFound = false;
for (int y = 0; y <= bitmap.Height; y++)
{
bool match = y != bitmap.Height && !data.MatchesColor(bitmap.Width / 2, y, Color.White);
if (!offsetFound && match)
{
Offset = new Size(Offset.Width, y);
offsetFound = true;
}
else if (offsetFound && !match)
{
Size = new Size(Size.Width, y - Offset.Height);
break;
}
}
Dictionary <char, float> newCharWidths = new Dictionary <char, float>();
foreach (var pair in charWidths)
{
newCharWidths.Add(pair.Key, pair.Value - Offset.Width);
}
charWidths = newCharWidths;
}
}
public static IEnumerable <ColorCount> ListAllColorsByMostCommon(Bitmap bitmap)
{
Dictionary <Color, long> colors = new Dictionary <Color, long>();
using (DisposableBitmapData bmpData = bitmap.LockRead(PixelFormat.Format24bppRgb)) {
BitmapData data = bmpData;
foreach (PixelPoint p in data.ForEachPixel())
{
Color color = p.Color;
if (colors.TryGetValue(color, out long count))
{
colors[color] = count + 1;
}
else
{
colors.Add(color, 1);
}
}
}
return(colors.OrderByDescending(x => x.Value).Select(p => (ColorCount)p)); //.Select(p => p.Key);
}
