private Task <RenderResult> RenderInternalAsync(IImageProvider source, Size sourceSize, IImageProcessor processor, RenderOption renderOptions)
{
if (source == null)
{
throw new NullReferenceException("source");
}
processor.OnBeforeRender();
var renderAtSourceSize = (renderOptions & RenderOption.RenderAtSourceSize) == RenderOption.RenderAtSourceSize;
var renderSize = processor.CanRenderAtPreviewSize && !renderAtSourceSize ? PreviewSize : sourceSize;
Debug.WriteLine(string.Format("RenderEffectAsync {0} sourceSize = {1}, renderSize = {2}", processor.Name,
sourceSize, renderSize));
var stopwatch = Stopwatch.StartNew();
var effect = processor.GetEffectAsync(source, sourceSize, renderSize);
if (effect.IsSynchronous)
{
return(FinishRender(effect.Result, stopwatch, renderOptions, renderSize));
}
else
{
return(effect.Task.ContinueWith(effectTask => FinishRender(effectTask.Result, stopwatch, renderOptions, renderSize), TaskContinuationOptions.OnlyOnRanToCompletion).Unwrap());
}
}
public Task RenderAsync(SoftwareBitmap sourceBitmap, IImageProcessor processor)
{
var sourceBitmapSize = new Size(sourceBitmap.PixelWidth, sourceBitmap.PixelHeight);
Debug.WriteLine(string.Format("RenderThumbnailAsync {0} sourceSize = {1} thumbnailSize = {2}", processor.Name, sourceBitmapSize, m_thumbnailSize));
var effect = processor.GetEffectAsync(new SoftwareBitmapImageSource(sourceBitmap), sourceBitmapSize, m_thumbnailSize);
// Avoid creating a Task object on the heap if not necessary.
if (effect.IsSynchronous)
{
return FinishRenderAsync(effect.Result, processor);
}
else
{
return effect.Task.ContinueWith(effectTask => FinishRenderAsync(effectTask.Result, processor), TaskContinuationOptions.OnlyOnRanToCompletion);
}
}
public Task RenderAsync(SoftwareBitmap sourceBitmap, IImageProcessor processor)
{
var sourceBitmapSize = new Size(sourceBitmap.PixelWidth, sourceBitmap.PixelHeight);
Debug.WriteLine(string.Format("RenderThumbnailAsync {0} sourceSize = {1} thumbnailSize = {2}", processor.Name, sourceBitmapSize, m_thumbnailSize));
var effect = processor.GetEffectAsync(new SoftwareBitmapImageSource(sourceBitmap), sourceBitmapSize, m_thumbnailSize);
// Avoid creating a Task object on the heap if not necessary.
if (effect.IsSynchronous)
{
return(FinishRenderAsync(effect.Result, processor));
}
else
{
return(effect.Task.ContinueWith(effectTask => FinishRenderAsync(effectTask.Result, processor), TaskContinuationOptions.OnlyOnRanToCompletion));
}
}
private Task<RenderResult> RenderInternalAsync(IImageProvider source, Size sourceSize, IImageProcessor processor, RenderOption renderOptions)
{
if (source == null)
{
throw new NullReferenceException("source");
}
processor.OnBeforeRender();
var renderAtSourceSize = (renderOptions & RenderOption.RenderAtSourceSize) == RenderOption.RenderAtSourceSize;
var renderSize = processor.CanRenderAtPreviewSize && !renderAtSourceSize ? PreviewSize : sourceSize;
Debug.WriteLine(string.Format("RenderEffectAsync {0} sourceSize = {1}, renderSize = {2}", processor.Name,
sourceSize, renderSize));
var stopwatch = Stopwatch.StartNew();
var effect = processor.GetEffectAsync(source, sourceSize, renderSize);
if (effect.IsSynchronous)
{
return FinishRender(effect.Result, stopwatch, renderOptions, renderSize);
}
else
{
return effect.Task.ContinueWith(effectTask => FinishRender(effectTask.Result, stopwatch, renderOptions, renderSize), TaskContinuationOptions.OnlyOnRanToCompletion).Unwrap();
}
}
