private void showMatch()
{
ArkOCR.letterMatch(ocrLetterEditRecognized.LetterArray, ocrLetterEditTemplate.LetterArray, out float match, out int offset);
ocrLetterEditTemplate.recognizedOffset = offset;
labelMatching.Text = $"matching: {Math.Round(match * 100, 1)} %";
}
/// <summary>
/// Redraws the screenshot
/// </summary>
/// <param name="hightlightIndex">which of the labels should be highlighted</param>
/// <param name="showLabels">show labels</param>
/// <param name="whiteThreshold">preview of white-Threshold. -1 to disable</param>
private void RedrawScreenshot(int hightlightIndex, bool showLabels = true, int whiteThreshold = -1)
{
if (OCRDebugLayoutPanel.Controls.Count <= 0 ||
!(OCRDebugLayoutPanel.Controls[OCRDebugLayoutPanel.Controls.Count - 1] is PictureBox) ||
_screenshot == null)
{
return;
}
PictureBox p = (PictureBox)OCRDebugLayoutPanel.Controls[OCRDebugLayoutPanel.Controls.Count - 1];
Bitmap b = new Bitmap((whiteThreshold >= 0 ? ArkOCR.removePixelsUnderThreshold(ArkOCR.GetGreyScale(_screenshot), whiteThreshold, true) : _screenshot));
using (Graphics g = Graphics.FromImage(b))
{
if (showLabels)
{
using (Pen penW = new Pen(Color.White, 2))
using (Pen penY = new Pen(Color.Yellow, 2))
using (Pen penB = new Pen(Color.Black, 2))
{
penW.Alignment = System.Drawing.Drawing2D.PenAlignment.Inset;
penY.Alignment = System.Drawing.Drawing2D.PenAlignment.Inset;
penB.Alignment = System.Drawing.Drawing2D.PenAlignment.Inset;
for (int r = 0; r < ArkOCR.OCR.ocrConfig.labelRectangles.Count; r++)
{
Rectangle rec = ArkOCR.OCR.ocrConfig.labelRectangles[r];
if (r == hightlightIndex)
{
rec.Inflate(2, 2);
g.DrawRectangle(penY, rec);
rec.Inflate(2, 2);
g.DrawRectangle(penB, rec);
}
else
{
rec.Inflate(2, 2);
g.DrawRectangle(penW, rec);
rec.Inflate(2, 2);
g.DrawRectangle(penB, rec);
}
}
}
}
}
Bitmap disp = (Bitmap)p.Image; // take pointer to old image to dispose it soon
p.Image = b;
if (disp != null && disp != _screenshot)
{
disp.Dispose();
}
}