private void IntegerTextBoxCrop_ValueChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (!isDragging)
{
double newLeft = integerTextBoxCropLeft.Value * canvasCropVideo.ActualWidth / mediaInfo.Width;
double newTop = integerTextBoxCropTop.Value * canvasCropVideo.ActualHeight / mediaInfo.Height;
double newRight = integerTextBoxCropRight.Value * canvasCropVideo.ActualWidth / mediaInfo.Width;
double newBottom = integerTextBoxCropBottom.Value * canvasCropVideo.ActualHeight / mediaInfo.Height;
double newWidth = canvasCropVideo.ActualWidth - newLeft - newRight;
double newHeight = canvasCropVideo.ActualHeight - newTop - newBottom;
if (newWidth < RECT_MIN_SIZE || newHeight < RECT_MIN_SIZE)
{
IntegerTextBox itb = (IntegerTextBox)sender;
itb.ValueChanged -= IntegerTextBoxCrop_ValueChanged;
itb.Value = (int)e.OldValue;
itb.ValueChanged += IntegerTextBoxCrop_ValueChanged;
}
else
{
Canvas.SetLeft(rectangleCropVideo, newLeft);
Canvas.SetTop(rectangleCropVideo, newTop);
rectangleCropVideo.Width = newWidth;
rectangleCropVideo.Height = newHeight;
textBlockOutputResolution.Text = $"{(mediaInfo.Width - integerTextBoxCropLeft.Value - integerTextBoxCropRight.Value).ToString("0")}x{(mediaInfo.Height - integerTextBoxCropTop.Value - integerTextBoxCropBottom.Value).ToString("0")}";
}
}
}
private static void OnValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
IntegerTextBox integerTextBox = (IntegerTextBox)sender;
integerTextBox.RaiseValueChangedEvent(e);
}
