public async Task TakePicture()
{
if (!CrossMedia.Current.IsCameraAvailable ||
!CrossMedia.Current.IsTakePhotoSupported)
{
await Application.Current.MainPage.DisplayAlert("No Camera",
"Sorry! No camera available.", "OK");
return;
}
var file = await CrossMedia.Current.TakePhotoAsync(new
Plugin.Media.Abstractions.StoreCameraMediaOptions
{
Directory = "TestPhotoFolder",
SaveToAlbum = true,
PhotoSize = PhotoSize.Medium,
});
if (file == null)
{
IsVisible = false;
return;
}
this.Source = ImageSource.FromStream(() =>
{
var stream = file.GetStream();
return(stream);
});
ListImage.Add(Source);
}
public override LearningImage BackProject(LearningImage i)
{
int Scale = this.Scale;
ListImage li = new ListImage(i.Height * Scale + Height, i.Width * Scale + Width);
for (int h = 0; h < i.Height; h++)
{
for (int w = 0; w < i.Width; w++)
{
LearningImage trimed = i.Trim(new Rectangle(w, h, 1, 1));
LearningImage pasting = base.BackProject(trimed);
for (int hh = 0; hh < pasting.Height; hh++)
for (int ww = 0; ww < pasting.Width; ww++)
li.Add(h * Scale + hh, w * Scale + ww, pasting.GetPlane(hh, ww));
}
}
LearningImage o = new LearningImage(i.Height * Scale, i.Width * Scale, this.FrameIn.Plane);
for (int h = 0; h < o.Height; h++)
for (int w = 0; w < o.Width; w++)
o.SetPlane(h, w, li.Median(h + Height / 2, w + Width / 2));
return o;
}
public async Task GetPhoto()
{
if (!CrossMedia.Current.IsTakePhotoSupported)
{
return;
}
var file = await CrossMedia.Current.PickPhotoAsync(new PickMediaOptions
{
PhotoSize = PhotoSize.Medium,
});
if (file == null)
{
IsVisible = false;
return;
}
this.Source = ImageSource.FromStream(() =>
{
var stream = file.GetStream();
return(stream);
});
ListImage.Add(Source);
}