private void Window_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key != Key.Escape)
{
return;
}
if (!_dragging)
{
_ocrSnippetWindow?.Show();
Close();
return;
}
BrdWrapper.Width = BrdWrapper.Height = 0;
_dragging = false;
}
private async void Window_MouseUp(object sender, MouseButtonEventArgs e)
{
if (_dragging)
{
var end = e.GetPosition(this);
var selection = GetSelection(end);
if (!selection.IsEmpty)
{
// Hide overlay before capturing screenshot
Hide();
await Task.Delay(TimeSpan.FromMilliseconds(100));
// Capture screenshot of selected region
var original = new Bitmap(ScreenshotCapture.TakeScreenshot())
.Crop(selection)
.CropToContent();
// Invert colors of screenshot if needed to ensure good OCR result
var modified = original.Scale(2);
if (modified.IsDark(50))
{
modified = modified.InvertColors();
}
var text = modified.ToBlackAndWhite().Ocr().Item1;
var pair = new BitmapTextPair(
original.ToImageSource(),
modified.ToImageSource(),
text
);
// Launch snippet manager
_ocrSnippetWindow.Model.BitmapPairs.Add(pair);
_ocrSnippetWindow.Show();
Close();
return;
}
}
_dragging = false;
_startDrag = default;
e.Handled = true;
}