private void nudCutoffValue_ValueChanged(object sender, EventArgs e)
{
Cursor = Cursors.WaitCursor;
pbPicture.Image = RNGraphics.PreprocessScreenshot(_TestBitmap, 1, (int)(nudCutoffValue.Value));
setMagnifier();
Cursor = Cursors.Default;
}
private void FilterTest_Load(object sender, EventArgs e)
{
Cursor = Cursors.WaitCursor;
this.DialogResult = System.Windows.Forms.DialogResult.None;
nudCutoffValue.Value = CutoffLevel;
pbPicture.Image = RNGraphics.PreprocessScreenshot(_TestBitmap, 1, (int)(nudCutoffValue.Value));
pbPicture.Size = pbPicture.Image.Size;
Cursor = Cursors.Default;
}
private void ProcessNewScreenshot(string screenshot)
{
CurrentScreenshot = screenshot;
CurrentScreenshotDateTime = File.GetCreationTime(CurrentScreenshot);
if (_bOriginal != null)
{
_bOriginal.Dispose();
}
if (_bOriginalClone != null)
{
_bOriginalClone.Dispose();
}
if (_bTrimmed_4_View != null)
{
_bTrimmed_4_View.Dispose();
}
if (_bTrimmed_4_OCR != null)
{
_bTrimmed_4_OCR.Dispose();
}
if (_bTrimmedHeader != null)
{
_bTrimmedHeader.Dispose();
}
// Well, we can get the bitmap without locking its file, like this... maybe it will help
using (Stream s = File.OpenRead(CurrentScreenshot))
_bOriginal = (Bitmap)Bitmap.FromStream(s);
using (Stream s = File.OpenRead(CurrentScreenshot))
_bOriginalClone = (Bitmap)Bitmap.FromStream(s);
Bitmap _bAnotherClone = null;
// I apologise for what comes next.
try
{
if (_bOriginal != null)
{
_bAnotherClone = (Bitmap)(_bOriginal.Clone());
}
}
catch (Exception ex)
{
_logger.Log("Ignoring _bOriginal.Clone() error...\r\n" + ex);
}
_calibrationPoints = _callingForm.cOcrCaptureAndCorrect.UpdateOriginalImage(_bAnotherClone);
// get the area of the commodity data
var trim_4_CommodityArea = new Rectangle(_calibrationPoints[2].X, _calibrationPoints[2].Y,
_calibrationPoints[10].X - _calibrationPoints[2].X,
_calibrationPoints[11].Y - _calibrationPoints[2].Y);
// RNGraphics.Crop image to the commodity area
_bTrimmed_4_OCR = RNGraphics.Crop(_bOriginalClone, trim_4_CommodityArea);
// save the still colored area for viewing reasons
_bTrimmed_4_View = (Bitmap)(_bTrimmed_4_OCR.Clone());
// set all dark colors to black - this removes all crap
_bTrimmed_4_OCR = RNGraphics.changeColour(_bTrimmed_4_OCR, Color.Black, Color.Black, Program.DBCon.getIniValue <Int32>(IBE.IBESettingsView.DB_GROUPNAME, "GUIColorCutoffLevel"), RNGraphics.enPixelCompare.pc_RGB_all);
// find automatically the textlines in the commodity area
var textRowLocations = new List <Tuple <int, int> >();
var nextLine = 0;
while (nextLine < _bTrimmed_4_OCR.Height - 1)
{
int startLine = -1, endLine = -1;
for (int i = nextLine; i < _bTrimmed_4_OCR.Height - 1; i++)
{
nextLine = i + 1;
bool hasOrangePixel;
using (Bitmap singlePixelRow = RNGraphics.Crop(_bTrimmed_4_OCR, new Rectangle(0, i, _bTrimmed_4_OCR.Width, 1)))
{
hasOrangePixel = RNGraphics.hasGUIColoredPixel(singlePixelRow);
}
//Debug.WriteLine(i + " of " + bTrimmed.Height + ": " + hasOrangePixel);
if (endLine == -1 && !hasOrangePixel)
{
startLine = i;
}
else
if (hasOrangePixel)
{
endLine = i + 1;
}
else
{
break;
}
}
if (startLine != -1 && endLine != -1)
{
textRowLocations.Add(new Tuple <int, int>(startLine, endLine));
}
}
// get the area of the header
var trim_4_Header = new Rectangle(_calibrationPoints[0].X, _calibrationPoints[0].Y,
_calibrationPoints[10].X - _calibrationPoints[0].X,
_calibrationPoints[1].Y - _calibrationPoints[0].Y);
// RNGraphics.Crop image to the header area and preprocess for OCR
_bTrimmedHeader = RNGraphics.PreprocessScreenshot(RNGraphics.Crop(_bOriginalClone, trim_4_Header), 1, Program.DBCon.getIniValue <Int32>(IBE.IBESettingsView.DB_GROUPNAME, "GUIColorCutoffLevel"));
// now process screenshot for OCR and Elitebrainerous
_bTrimmed_4_OCR = RNGraphics.PreprocessScreenshot(_bTrimmed_4_OCR, 1, Program.DBCon.getIniValue <Int32>(IBE.IBESettingsView.DB_GROUPNAME, "GUIColorCutoffLevel"));
// show preprocessed parts on the GUI
_callingForm.cOcrCaptureAndCorrect.UpdateTrimmedImage(_bTrimmed_4_OCR, _bTrimmedHeader);
int min = 100, max = 0;
if (textRowLocations.Count > 0)
{
// check if the last line is complete or RNGraphics.Cropped -> if it's RNGraphics.Cropped we delete it
var finalRowLocation = textRowLocations[textRowLocations.Count - 1];
foreach (var x in textRowLocations)
{
if (x.Item1 != finalRowLocation.Item1)
{
if (min > x.Item2 - x.Item1)
{
min = x.Item2 - x.Item1;
}
if (max < x.Item2 - x.Item1)
{
max = x.Item2 - x.Item1;
}
}
}
if (finalRowLocation.Item2 - finalRowLocation.Item1 < (min - 2))
{
textRowLocations.RemoveAt(textRowLocations.Count - 1);
}
}
Debug.Print("process screenshot " + screenshot);
PerformOcr(textRowLocations);
}