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re-render frame on active calibration

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This commit is contained in:
EugeneTes
2026-04-07 10:10:58 +02:00
parent bb861834fd
commit 371436d0c3
1 changed files with 35 additions and 11 deletions
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46
Plugins/LindtLeerformPlugin/ViewModels/CalibrationWindowViewModel.cs
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@@ -130,17 +130,7 @@ public partial class CalibrationWindowViewModel : ObservableObject, IDisposable
_lastFrame?.Dispose();
_lastFrame = frame;
var displayFrame = frame;
if (ApplyCalibration && _calibCameraMatrix != null && _calibDistCoeffs != null)
{
displayFrame = new Mat();
Cv2.Undistort(frame, displayFrame, _calibCameraMatrix, _calibDistCoeffs);
}
var bitmap = ImageConverter.MatToAvaloniaBitmap(displayFrame);
if (displayFrame != frame)
displayFrame.Dispose();
var bitmap = RenderFrame(frame);
await Dispatcher.UIThread.InvokeAsync(() =>
{
@@ -162,6 +152,40 @@ public partial class CalibrationWindowViewModel : ObservableObject, IDisposable
}
}
private Avalonia.Media.Imaging.Bitmap RenderFrame(Mat frame)
{
var displayFrame = frame;
if (ApplyCalibration && _calibCameraMatrix != null && _calibDistCoeffs != null)
{
displayFrame = new Mat();
Cv2.Undistort(frame, displayFrame, _calibCameraMatrix, _calibDistCoeffs);
}
var bitmap = ImageConverter.MatToAvaloniaBitmap(displayFrame);
if (displayFrame != frame)
displayFrame.Dispose();
return bitmap;
}
partial void OnApplyCalibrationChanged(bool value)
{
if (_lastFrame == null || _lastFrame.Empty()) return;
try
{
var bitmap = RenderFrame(_lastFrame);
var old = PreviewImage;
PreviewImage = bitmap;
old?.Dispose();
}
catch (Exception ex)
{
StatusText = $"Preview error: {ex.Message}";
}
}
private void LoadCalibrationMats(Models.CalibrationData data)
{
_calibCameraMatrix?.Dispose();