private void ProcessFrame(bool instant)
{
if (!btnScreenshot.Enabled)
{
return;
}
if (!File.Exists(openFileDialogTesseract.FileName))
{
MessageBox.Show(this, "Tesseract-OCR path not configured!", "Screenulate",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
tesseractProgress.Style = ProgressBarStyle.Marquee;
btnScreenshot.Enabled = false;
var screenshotForm = new ScreenshotForm {
Rectangle = _lastScreenshotRect
};
if (instant)
{
screenshotForm.CaptureImage(_lastScreenshotRect);
}
else
{
screenshotForm.ShowDialog(this);
}
if (screenshotForm.Bitmap == null)
{
tesseractProgress.Style = ProgressBarStyle.Blocks;
btnScreenshot.Enabled = true;
return;
}
_lastScreenshotRect = screenshotForm.Rectangle;
IImage oldImage = previewBox.Image;
previewBox.Image = new Image <Bgr, byte>(screenshotForm.Bitmap);
oldImage?.Dispose();
var processor = new TesseractProcessor(openFileDialogTesseract.FileName, previewBox.DisplayedImage);
processor.Process();
processor.Completed += TesseractProcessor_Completed;
processor.Finished += TesseractProcessor_Finished;
processor.Error += (sender, args) =>
{
MessageBox.Show($@"{args.GetException().Message}", "Screenulate", MessageBoxButtons.OK,
MessageBoxIcon.Error);
};
}