/// <summary>
/// Initializes an image from a given fileStream
/// </summary>
/// <param name="fileStream">The source from within the files where the image was
/// uploaded </param>
public ImageInput(Windows.Storage.Streams.IRandomAccessStream fileStream)
{
// Initialize the image once the user has picked an image from file
var bitMap = new BitmapImage();
bitMap.SetSource(fileStream);
var rectGeo = new Windows.UI.Xaml.Media.RectangleGeometry();
var rect = new Windows.Foundation.Rect();
rect.X = 100;
rect.Y = 100;
rect.Width = 500;
rect.Height = 500;
rectGeo.Rect = rect;
UploadImage = new Image
{
Source = bitMap,
// Set the Image in the center of the view
Margin = new Thickness(
(OffsetX + ViewWidth / 2) / Zoom,
(OffsetY + ViewHeight / 2) / Zoom,
0, 0),
Clip = rectGeo
};
// Allows the image to respond to touch, pinch, and drag events
AllowTouch(UploadImage);
AllowResize(UploadImage);
AllowTranslation(UploadImage);
// Add the image to the Connector's scale dictionary
Connector.Scales.Add(UploadImage, 1);
}
/// <summary>
/// Initializes a new instance of the <see cref="RectangleGeometry"/> class, a
/// Wpf-enabled wrapper for <see cref="Windows.UI.Xaml.Media.RectangleGeometry"/>
/// </summary>
public RectangleGeometry(Windows.UI.Xaml.Media.RectangleGeometry instance)
{
this.UwpInstance = instance;
}
