/// <summary>
/// Encodes the image to the specified stream from the <see cref="Image{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="Image{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public async Task EncodeAsync <TPixel>(Image <TPixel> image, Stream stream)
where TPixel : unmanaged, IPixel <TPixel>
{
using (var encoder = new PngEncoderCore(image.GetMemoryAllocator(), image.GetConfiguration(), new PngEncoderOptions(this)))
{
await encoder.EncodeAsync(image, stream).ConfigureAwait(false);
}
}
/// <summary>
/// Encodes the image to the specified stream from the <see cref="Image{TPixel}"/>.
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The <see cref="Image{TPixel}"/> to encode from.</param>
/// <param name="stream">The <see cref="Stream"/> to encode the image data to.</param>
/// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public async Task EncodeAsync <TPixel>(Image <TPixel> image, Stream stream, CancellationToken cancellationToken)
where TPixel : unmanaged, IPixel <TPixel>
{
// The introduction of a local variable that refers to an object the implements
// IDisposable means you must use async/await, where the compiler generates the
// state machine and a continuation.
using (var encoder = new PngEncoderCore(image.GetMemoryAllocator(), image.GetConfiguration(), new PngEncoderOptions(this)))
{
await encoder.EncodeAsync(image, stream, cancellationToken).ConfigureAwait(false);
}
}