/// <summary>
/// Set the source URI of the image.
/// </summary>
/// <param name="view">The image view instance.</param>
/// <param name="source">The source URI.</param>
private async void SetUriFromSingleSource(Border view, string source)
{
var imageBrush = (ImageBrush)view.Background;
var tag = view.GetTag();
var disposable = default(SerialDisposable);
if (!_disposables.TryGetValue(tag, out disposable))
{
disposable = new SerialDisposable();
_disposables.Add(tag, disposable);
}
var image = new BitmapImage();
if (BitmapImageHelpers.IsBase64Uri(source))
{
image.BeginInit();
image.CacheOption = BitmapCacheOption.OnLoad;
disposable.Disposable = image.GetStreamLoadObservable().Subscribe(
status => OnImageStatusUpdate(view, status),
_ => OnImageFailed(view));
var stream = BitmapImageHelpers.GetStreamAsync(source);
image.StreamSource = stream;
image.EndInit();
}
else
{
try
{
var uri = new Uri(source);
image.BeginInit();
image.CacheOption = BitmapCacheOption.OnLoad;
if (uri.IsFile)
{
image.UriSource = uri;
}
else
{
await SetImageSourceFromUri(uri, image);
}
image.EndInit();
}
catch (Exception)
{
image = null;
}
}
imageBrush.ImageSource = image;
}
/// <summary>
/// Set the source URI of the image.
/// </summary>
/// <param name="view">The image view instance.</param>
/// <param name="source">The source URI.</param>
private async void SetUriFromSingleSource(Border view, string source)
{
var imageBrush = (ImageBrush)view.Background;
var tag = view.GetTag();
var disposable = default(SerialDisposable);
if (!_disposables.TryGetValue(tag, out disposable))
{
disposable = new SerialDisposable();
_disposables.Add(tag, disposable);
}
if (BitmapImageHelpers.IsBase64Uri(source))
{
var image = new BitmapImage();
disposable.Disposable = image.GetStreamLoadObservable().Subscribe(
status => OnImageStatusUpdate(view, status.LoadStatus, status.Metadata),
_ => OnImageFailed(view));
using (var stream = await BitmapImageHelpers.GetStreamAsync(source))
{
await image.SetSourceAsync(stream);
}
imageBrush.ImageSource = image;
}
else if (BitmapImageHelpers.IsHttpUri(source))
{
OnImageStatusUpdate(view, ImageLoadStatus.OnLoadStart, default(ImageMetadata));
try
{
var image = await ImageCache.Instance.GetFromCacheAsync(new Uri(source), true);
var metadata = new ImageMetadata(source, image.PixelWidth, image.PixelHeight);
OnImageStatusUpdate(view, ImageLoadStatus.OnLoad, metadata);
imageBrush.ImageSource = image;
OnImageStatusUpdate(view, ImageLoadStatus.OnLoadEnd, metadata);
}
catch
{
OnImageFailed(view);
}
}
else
{
var image = new BitmapImage();
disposable.Disposable = image.GetUriLoadObservable().Subscribe(
status => OnImageStatusUpdate(view, status.LoadStatus, status.Metadata),
_ => OnImageFailed(view));
image.UriSource = new Uri(source);
imageBrush.ImageSource = image;
}
}
/// <summary>
/// Set the source URI of the image.
/// </summary>
/// <param name="view">The image view instance.</param>
/// <param name="source">The source URI.</param>
private async void SetUriFromSingleSource(Border view, string source)
{
var imageBrush = (ImageBrush)view.Background;
var tag = view.GetTag();
var disposable = default(SerialDisposable);
if (!_disposables.TryGetValue(tag, out disposable))
{
disposable = new SerialDisposable();
_disposables.Add(tag, disposable);
}
var image = new BitmapImage();
if (BitmapImageHelpers.IsBase64Uri(source))
{
disposable.Disposable = image.GetStreamLoadObservable().Subscribe(
status => OnImageStatusUpdate(view, status),
_ => OnImageFailed(view));
using (var stream = await BitmapImageHelpers.GetStreamAsync(source))
{
await image.SetSourceAsync(stream);
}
}
else
{
disposable.Disposable = image.GetUriLoadObservable().Subscribe(
status => OnImageStatusUpdate(view, status),
_ => OnImageFailed(view));
image.UriSource = new Uri(source);
}
imageBrush.ImageSource = image;
}
/// <summary>
/// Set the source URI of the image.
/// </summary>
/// <param name="view">The image view instance.</param>
/// <param name="source">The source URI.</param>
private async void SetUriFromSingleSource(Image view, string source)
{
Log.Info(ReactConstants.Tag, "[SetUriFromSingleSource] set src:" + source);
var tag = view.GetTag();
var disposable = default(SerialDisposable);
if (!_disposables.TryGetValue(tag, out disposable))
{
disposable = new SerialDisposable();
_disposables.Add(tag, disposable);
}
OnImageStatusUpdate(view, ImageLoadStatus.OnLoadStart, default(ImageMetadata));
var metadata = new ImageMetadata(source, view.GetDimensions().Width, view.GetDimensions().Height);
if (BitmapImageHelpers.IsBase64Uri(source))
{
Log.Info(ReactConstants.Tag, ">>> Base64Uri");
//using (var stream = await BitmapImageHelpers.GetStreamAsync(source))
using (var stream = BitmapImageHelpers.GetStreamSync(source))
{
var ret = await view.LoadAsync(stream);
if (false == ret)
{
Log.Warn(ReactConstants.Tag, "Failed to LoadAsync:" + source.ToString());
OnImageFailed(view);
}
else
{
OnImageStatusUpdate(view, ImageLoadStatus.OnLoad, metadata);
}
}
}
else if (BitmapImageHelpers.IsHttpUri(source))
{
Log.Info(ReactConstants.Tag, ">>> HttpUri");
//var metadata = new ImageMetadata(source, view.GetDimensions().Width, view.GetDimensions().Height);
var ret = await view.LoadAsync(source);
if (false == ret)
{
Log.Warn(ReactConstants.Tag, "Failed to LoadAsync:" + source.ToString());
OnImageFailed(view);
}
else
{
OnImageStatusUpdate(view, ImageLoadStatus.OnLoad, metadata);
}
}
else
{
Log.Info(ReactConstants.Tag, ">>> Loacal");
//var metadata = new ImageMetadata(source, view.GetDimensions().Width, view.GetDimensions().Height);
var ret = await view.LoadAsync(source);
if (false == ret)
{
Log.Warn(ReactConstants.Tag, "Failed to LoadAsync:" + source.ToString());
OnImageFailed(view);
}
else
{
OnImageStatusUpdate(view, ImageLoadStatus.OnLoad, metadata);
}
}
OnImageStatusUpdate(view, ImageLoadStatus.OnLoadEnd, metadata);
disposable.Dispose();
}