internal static async Task <int> ReadAsync(this IInputStream stream, byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
var dst = new global::Windows.Storage.Streams.Buffer(new Memory <byte>(buffer, offset, count));
var read = await stream.ReadAsync(dst, (uint)count, InputStreamOptions.None).AsTask(cancellationToken);
if (read != dst)
{
// Unfortunately the stream decided to not write data in the provided dst buffer.
// We now have to copy the data.
global::Windows.Storage.Streams.Buffer.Cast(read).CopyTo(0, buffer, offset, (int)read.Length);
}
return((int)read.Length);
}
public void CS_WP_N_Activation()
{
var definition = new LumiaEffectDefinition(() =>
{
return(new IFilter[]
{
new AntiqueFilter(),
new FlipFilter(FlipMode.Horizontal)
});
});
IBuffer buffer = new global::Windows.Storage.Streams.Buffer(10);
var definition2 = new ShaderEffectDefinitionBgrx8(buffer);
var definition3 = new ShaderEffectDefinitionNv12(buffer, buffer);
}
public void CS_WP_N_Activation()
{
var definition = new LumiaEffectDefinition(() =>
{
return new IFilter[]
{
new AntiqueFilter(),
new FlipFilter(FlipMode.Horizontal)
};
});
IBuffer buffer = new global::Windows.Storage.Streams.Buffer(10);
var definition2 = new ShaderEffectDefinitionBgrx8(buffer);
var definition3 = new ShaderEffectDefinitionNv12(buffer, buffer);
}
private async void ViewFinder_OnTapped()
{
ImageEncodingProperties imageProperties = ImageEncodingProperties.CreateJpeg();
var stream = new InMemoryRandomAccessStream();
await captureManager.CapturePhotoToStreamAsync(imageProperties, stream);
_bitmap = new WriteableBitmap(300, 300);
stream.Seek(0);
await _bitmap.SetSourceAsync(stream);
stream.Seek(0);
var buffer = new global::Windows.Storage.Streams.Buffer((uint)stream.Size);
stream.ReadAsync(buffer, (uint)stream.Size, InputStreamOptions.None);
await captureManager.StopPreviewAsync();
}
public unsafe void CS_WP_N_BufferExtension()
{
var buffer = new global::Windows.Storage.Streams.Buffer(10);
byte *data = buffer.GetData();
}
public unsafe void CS_WP_N_BufferExtension()
{
var buffer = new global::Windows.Storage.Streams.Buffer(10);
byte* data = buffer.GetData();
}
internal static Task WriteAsync(this IOutputStream stream, byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
var src = new global::Windows.Storage.Streams.Buffer(new Memory <byte>(buffer, offset, count));
return(stream.WriteAsync(src).AsTask(cancellationToken));
}
