private async void LoadImage()
{
if (_currentTask != null)
{
_currentTask.Cancel();
}
TaskParameter imageLoader = null;
var ffSource = await FFImageSourceBinding.GetImageSourceBinding(Source);
if (ffSource == null)
{
if (internalImage != null)
{
await MainThreadDispatcher.Instance.PostAsync(() => {
internalImage.Source = null;
});
}
}
else if (ffSource.ImageSource == FFImageLoading.Work.ImageSource.Url)
{
imageLoader = ImageService.LoadUrl(ffSource.Path, TimeSpan.FromDays(CacheDuration));
}
else if (ffSource.ImageSource == FFImageLoading.Work.ImageSource.CompiledResource)
{
imageLoader = ImageService.LoadCompiledResource(ffSource.Path);
}
else if (ffSource.ImageSource == FFImageLoading.Work.ImageSource.ApplicationBundle)
{
imageLoader = ImageService.LoadFileFromApplicationBundle(ffSource.Path);
}
else if (ffSource.ImageSource == FFImageLoading.Work.ImageSource.Filepath)
{
imageLoader = ImageService.LoadFile(ffSource.Path);
}
if (imageLoader != null)
{
// CustomKeyFactory
if (CacheKeyFactory != null)
{
var dataContext = DataContext;
imageLoader.CacheKey(CacheKeyFactory.GetKey(Source, dataContext));
}
// LoadingPlaceholder
if (LoadingPlaceholder != null)
{
var placeholderSource = await FFImageSourceBinding.GetImageSourceBinding(LoadingPlaceholder);
if (placeholderSource != null)
{
imageLoader.LoadingPlaceholder(placeholderSource.Path, placeholderSource.ImageSource);
}
}
// ErrorPlaceholder
if (ErrorPlaceholder != null)
{
var placeholderSource = await FFImageSourceBinding.GetImageSourceBinding(ErrorPlaceholder);
if (placeholderSource != null)
{
imageLoader.ErrorPlaceholder(placeholderSource.Path, placeholderSource.ImageSource);
}
}
// Downsample
if (DownsampleToViewSize && (Width > 0 || Height > 0))
{
if (Height > Width)
{
imageLoader.DownSample(height: Height.PointsToPixels());
}
else
{
imageLoader.DownSample(width: Width.PointsToPixels());
}
}
else if (DownsampleToViewSize && (MinWidth > 0 || MinHeight > 0))
{
if (MinHeight > MinWidth)
{
imageLoader.DownSample(height: MinHeight.PointsToPixels());
}
else
{
imageLoader.DownSample(width: MinWidth.PointsToPixels());
}
}
else if ((int)DownsampleHeight != 0 || (int)DownsampleWidth != 0)
{
if (DownsampleHeight > DownsampleWidth)
{
imageLoader.DownSample(height: DownsampleUseDipUnits
? DownsampleHeight.PointsToPixels() : (int)DownsampleHeight);
}
else
{
imageLoader.DownSample(width: DownsampleUseDipUnits
? DownsampleWidth.PointsToPixels() : (int)DownsampleWidth);
}
}
// Downsample mode
imageLoader.DownSampleMode(DownsampleMode);
// RetryCount
if (RetryCount > 0)
{
imageLoader.Retry(RetryCount, RetryDelay);
}
// FadeAnimation
imageLoader.FadeAnimation(FadeAnimationEnabled);
// TransformPlaceholders
imageLoader.TransformPlaceholders(TransformPlaceholders);
// Transformations
if (Transformations != null && Transformations.Count != 0)
{
imageLoader.Transform(Transformations);
}
imageLoader.Finish((work) =>
OnFinish(new Args.FinishEventArgs(work)));
imageLoader.Success((imageSize, loadingResult) =>
OnSuccess(new Args.SuccessEventArgs(imageSize, loadingResult)));
imageLoader.Error((exception) =>
OnError(new Args.ErrorEventArgs(exception)));
_currentTask = imageLoader.Into(internalImage);
}
}
private async void LoadImage()
{
if (_currentTask != null)
{
_currentTask.Cancel();
}
TaskParameter imageLoader = null;
var ffSource = await FFImageSourceBinding.GetImageSourceBinding(Source);
if (ffSource == null)
{
if (internalImage != null)
{
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => {
internalImage.Source = null;
});
}
}
else if (ffSource.ImageSource == FFImageLoading.Work.ImageSource.Url)
{
imageLoader = ImageService.LoadUrl(ffSource.Path, TimeSpan.FromDays(CacheDuration));
}
else if (ffSource.ImageSource == FFImageLoading.Work.ImageSource.CompiledResource)
{
imageLoader = ImageService.LoadCompiledResource(ffSource.Path);
}
else if (ffSource.ImageSource == FFImageLoading.Work.ImageSource.ApplicationBundle)
{
imageLoader = ImageService.LoadFileFromApplicationBundle(ffSource.Path);
}
else if (ffSource.ImageSource == FFImageLoading.Work.ImageSource.Filepath)
{
imageLoader = ImageService.LoadFile(ffSource.Path);
}
if (imageLoader != null)
{
// LoadingPlaceholder
if (LoadingPlaceholder != null)
{
var placeholderSource = await FFImageSourceBinding.GetImageSourceBinding(LoadingPlaceholder);
if (placeholderSource != null)
{
imageLoader.LoadingPlaceholder(placeholderSource.Path, placeholderSource.ImageSource);
}
}
// ErrorPlaceholder
if (ErrorPlaceholder != null)
{
var placeholderSource = await FFImageSourceBinding.GetImageSourceBinding(ErrorPlaceholder);
if (placeholderSource != null)
{
imageLoader.ErrorPlaceholder(placeholderSource.Path, placeholderSource.ImageSource);
}
}
// Downsample
if (DownsampleToViewSize && (Width > 0 || Height > 0))
{
if (Height > Width)
{
imageLoader.DownSample(height: Height.PointsToPixels());
}
else
{
imageLoader.DownSample(width: Width.PointsToPixels());
}
}
else if (DownsampleToViewSize && (MinWidth > 0 || MinHeight > 0))
{
if (MinHeight > MinWidth)
{
imageLoader.DownSample(height: MinHeight.PointsToPixels());
}
else
{
imageLoader.DownSample(width: MinWidth.PointsToPixels());
}
}
else if ((int)DownsampleHeight != 0 || (int)DownsampleWidth != 0)
{
if (DownsampleHeight > DownsampleWidth)
{
imageLoader.DownSample(height: DownsampleUseDipUnits
? DownsampleHeight.PointsToPixels() : (int)DownsampleHeight);
}
else
{
imageLoader.DownSample(width: DownsampleUseDipUnits
? DownsampleWidth.PointsToPixels() : (int)DownsampleWidth);
}
}
// Downsample mode
imageLoader.DownSampleMode(DownsampleMode);
// RetryCount
if (RetryCount > 0)
{
imageLoader.Retry(RetryCount, RetryDelay);
}
// FadeAnimation
imageLoader.FadeAnimation(FadeAnimationEnabled);
// TransformPlaceholders
imageLoader.TransformPlaceholders(TransformPlaceholders);
// Transformations
if (Transformations != null && Transformations.Count != 0)
{
imageLoader.Transform(Transformations);
}
_currentTask = imageLoader.Into(internalImage);
}
}