static async Task <OcrTxt> ocrFromBMP(SoftwareBitmap bmp, OcrEngine engine)
{
var ret = new OcrTxt();
var result = await engine.RecognizeAsync(bmp);
var list = new List <textLine>();
foreach (var tmp in result.Lines)
{
foreach (var word in tmp.Words)
{
bool flag = false;
for (var i = 0; i < list.Count; i++)
{
var t = list[i];
var y1 = Math.Abs(t.Rect.Y - word.BoundingRect.Y);
if (word.BoundingRect.Height - y1 > ((double)word.BoundingRect.Height) * 0.5)
{
var width = word.BoundingRect.Width / word.Text.Length;
var x1 = (t.Rect.X + t.Rect.Width) - (word.BoundingRect.X - width);
if (x1 >= 0 && x1 < width)
{
t.Text += word.Text;
t.Rect = word.BoundingRect;
list[i] = t;
flag = true;
}
}
}
if (!flag)
{
textLine t;
t.Text = word.Text;
t.Rect = word.BoundingRect;
list.Add(t);
}
}
}
foreach (var tmp in list)
{
ret.Custom += tmp.Text + "\n";
}
foreach (var tmp in result.Lines)
{
foreach (var word in tmp.Words)
{
ret.Original += word.Text;
}
ret.Original += "\n";
}
return(ret);
}
static List <ISBN> findISBN(OcrTxt str)
{
var ret = new List <ISBN>();
var r = findISBN(str.Original);
if (r.Count > 0)
{
ret.AddRange(r);
}
r = findISBN(str.Custom);
if (r.Count > 0)
{
ret.AddRange(r);
}
return(ret);
}
