public void Get()
{
try
{
var LiveViewData = LiveViewManager.GetLiveViewImage(CameraDevice);
if (LiveViewData != null && LiveViewData.ImageData != null)
{
MemoryStream stream = new MemoryStream(LiveViewData.ImageData,
LiveViewData.
ImageDataPosition,
LiveViewData.ImageData.
Length -
LiveViewData.
ImageDataPosition);
using (var res = new Bitmap(stream))
{
var writeableBitmap =
BitmapFactory.ConvertToPbgra32Format(
BitmapSourceConvert.ToBitmapSource(res));
writeableBitmap.Freeze();
Bitmap = writeableBitmap;
IsMovieRecording = LiveViewData.MovieIsRecording;
}
}
}
catch (Exception)
{
}
}
public override void GetLiveImage()
{
lock (_locker)
{
try
{
LiveViewData = LiveViewManager.GetLiveViewImage(CameraDevice);
}
catch (Exception)
{
return;
}
if (LiveViewData == null || LiveViewData.ImageData == null)
{
return;
}
MemoryStream stream = new MemoryStream(LiveViewData.ImageData,
LiveViewData.ImageDataPosition,
LiveViewData.ImageData.Length -
LiveViewData.ImageDataPosition);
using (var bmp = new Bitmap(stream))
{
Bitmap res = bmp;
var preview = BitmapFactory.ConvertToPbgra32Format(BitmapSourceConvert.ToBitmapSource(res));
var zoow = preview.Crop((int)(CentralPoint.X - (StarWindowSize / 2)),
(int)(CentralPoint.Y - (StarWindowSize / 2)),
StarWindowSize, StarWindowSize);
CalculateStarSize(zoow);
zoow.Freeze();
StarWindow = zoow;
if (CameraDevice.LiveViewImageZoomRatio.Value == "All")
{
preview.Freeze();
Preview = preview;
}
if (Brightness != 0)
{
BrightnessCorrection filter = new BrightnessCorrection(Brightness);
res = filter.Apply(res);
}
if (EdgeDetection)
{
var filter = new FiltersSequence(
Grayscale.CommonAlgorithms.BT709,
new HomogenityEdgeDetector()
);
res = filter.Apply(res);
}
var _bitmap = BitmapFactory.ConvertToPbgra32Format(BitmapSourceConvert.ToBitmapSource(res));
DrawGrid(_bitmap);
if (ZoomFactor > 1)
{
double d = _bitmap.PixelWidth / (double)ZoomFactor;
double h = _bitmap.PixelHeight / (double)ZoomFactor;
_bitmap = _bitmap.Crop((int)(CentralPoint.X - (d / 2)), (int)(CentralPoint.Y - (h / 2)),
(int)d, (int)h);
}
_bitmap.Freeze();
Bitmap = _bitmap;
}
}
}
