protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
DisposableHelper.TryDisposeAndSetToNull(ref m_blurEffect);
DisposableHelper.TryDisposeAndSetToNull(ref m_downscaleEffect);
DisposableHelper.TryDisposeAndSetToNull(ref m_downscaleCachingEffect);
DisposableHelper.TryDisposeAndSetToNull(ref m_highPassBlendEffect);
DisposableHelper.TryDisposeAndSetToNull(ref m_highPassGrayscaleEffect);
}
private async Task <SoftwareBitmap> LoadPhotoInternalAsync(IImageProvider unnormalizedSource)
{
DisposableHelper.TryDisposeAndSetToNull(ref m_source);
var info = await unnormalizedSource.GetInfoAsync().AsTask().ConfigureAwait(false);
var unnormalizedSourceSize = info.ImageSize;
if ((uint)unnormalizedSourceSize.Width == 0 || (uint)unnormalizedSourceSize.Height == 0)
{
throw new ArgumentException("Image source appears to be zero sized.");
}
// Normalize source bitmap to ~5 MP
m_sourceSize = NormalizeSourceSize(unnormalizedSourceSize);
using (var bitmapRenderer = new SoftwareBitmapRenderer(unnormalizedSource))
{
bitmapRenderer.Size = m_sourceSize;
bitmapRenderer.OutputOption = OutputOption.PreserveAspectRatio;
bitmapRenderer.RenderOptions = RenderOptions.Cpu;
var normalizedSourceBitmap = await bitmapRenderer.RenderAsync().AsTask().ConfigureAwait(false);
m_source = new SoftwareBitmapImageSource(normalizedSourceBitmap);
}
using (var bitmapRenderer = new SoftwareBitmapRenderer(m_source))
{
bitmapRenderer.Size = PreviewSize;
bitmapRenderer.OutputOption = OutputOption.PreserveAspectRatio;
bitmapRenderer.RenderOptions = RenderOptions.Cpu;
return(await bitmapRenderer.RenderAsync().AsTask().ConfigureAwait(false));
}
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
DisposableHelper.TryDisposeAndSetToNull(ref m_lomoStack);
}
protected override void Dispose(bool disposing)
{
DisposableHelper.TryDisposeAndSetToNull(ref m_layerList);
}