private void SetCropView(Uri data)
{
imageWrapper.Visibility = ViewStates.Gone;
existingImageWrapper.Visibility = ViewStates.Gone;
cropViewWrapper.Visibility = ViewStates.Visible;
selectedImageUri = data;
var imageSize = new AppBarImageSize(Resources.DisplayMetrics);
var fallback = BitmapDecoder.DecodeSampledBitmapFromResource(Resources,
Resource.Drawable.ic_broken_image_white_48dp, imageSize);
if (!string.IsNullOrEmpty(selectedImageUri?.Path))
{
Bitmap bitmap;
using (var decoder = new BitmapDecoder())
{
bitmap = decoder.DecodeSampledBitmapFromUri(ContentResolver, selectedImageUri, imageSize, fallback);
var w = bitmap.Width;
var scaledHeight = bitmap.Height * imageSize.Width / w;
if (scaledHeight < imageSize.Height)
{
var h = bitmap.Height;
var scaledWidth = bitmap.Width * imageSize.Height / h;
bitmap = Bitmap.CreateScaledBitmap(bitmap, scaledWidth, imageSize.Height, true);
}
else
{
bitmap = Bitmap.CreateScaledBitmap(bitmap, imageSize.Width, scaledHeight, true);
}
}
cropView.SetImageBitmap(bitmap);
}
}
