async void OnButtonClickedChoosePhotos(object sender, EventArgs e)
{
IPicturePicker picturePicker = DependencyService.Get <IPicturePicker>();
using (Stream stream = await picturePicker.GetImageStreamAsync())
{
if (stream != null)
{
loadBitMap = true;
using (MemoryStream memStream = new MemoryStream())
{
stream.CopyTo(memStream);
memStream.Seek(0, SeekOrigin.Begin);
using (SKManagedStream skStream = new SKManagedStream(memStream))
{
bitMap = SKBitmap.Decode(skStream);
}
}
}
else
{
loadBitMap = false;
}
}
CallImageActionTools();
}
public GameObjPageViewModel(INavigationService navigationService, IDataService ds, IPageDialogService dialog, IAppFile appFile, IAppSettings appSet, IPicturePicker picker)
: base(navigationService, ds, dialog, appFile, appSet)
{
Title = AppRes.NewGame;
SaveCommand = new DelegateCommand(SaveCommandExecute);
SelectImgCommand = new DelegateCommand(SelectImgCommandExecute);
_picker = picker;
}
public MainPage(MainPageViewModel mainPage, IPicturePicker picturePicker)
{
InitializeComponent();
BindingContext = mainPage;
this.mainPage = mainPage;
this.picturePicker = picturePicker;
ReviewList.ItemSelected += ReviewListOnItemSelected;
}
public MainPageViewModel(INavigationService navigationService, IPicturePicker picturePicker)
: base(navigationService)
{
this.picturePicker = picturePicker;
Title = "Main Page";
}
public MainPage(IPicturePicker picturePicker)
{
this.picturePicker = picturePicker;
InitializeComponent();
}
public BasicBitmapsPage()
{
Title = "Basic Bitmaps";
canvasView = new SKCanvasView();
canvasView.PaintSurface += OnCanvasViewPaintSurface;
Content = canvasView;
// Load web bitmap.
Uri uri = new Uri("http://developer.xamarin.com/demo/IMG_3256.JPG?width=480");
WebRequest request = WebRequest.Create(uri);
request.BeginGetResponse((IAsyncResult arg) =>
{
try
{
using (Stream stream = request.EndGetResponse(arg).GetResponseStream())
using (MemoryStream memStream = new MemoryStream())
{
stream.CopyTo(memStream);
memStream.Seek(0, SeekOrigin.Begin);
using (SKManagedStream skStream = new SKManagedStream(memStream))
{
webBitmap = SKBitmap.Decode(skStream);
}
}
}
catch
{
}
Device.BeginInvokeOnMainThread(() => canvasView.InvalidateSurface());
}, null);
// Load resource bitmap
string resourceID = "SkiaSharpFormsDemos.Media.monkey.png";
Assembly assembly = GetType().GetTypeInfo().Assembly;
using (Stream stream = assembly.GetManifestResourceStream(resourceID))
using (SKManagedStream skStream = new SKManagedStream(stream))
{
resourceBitmap = SKBitmap.Decode(skStream);
}
// Add tap gesture recognizer
TapGestureRecognizer tapRecognizer = new TapGestureRecognizer();
tapRecognizer.Tapped += async(sender, args) =>
{
// Load bitmap from photo library
IPicturePicker picturePicker = DependencyService.Get <IPicturePicker>();
using (Stream stream = await picturePicker.GetImageStreamAsync())
{
if (stream != null)
{
using (MemoryStream memStream = new MemoryStream())
{
stream.CopyTo(memStream);
memStream.Seek(0, SeekOrigin.Begin);
using (SKManagedStream skStream = new SKManagedStream(memStream))
{
libraryBitmap = SKBitmap.Decode(skStream);
}
}
canvasView.InvalidateSurface();
}
}
};
canvasView.GestureRecognizers.Add(tapRecognizer);
}
