/// <summary>
/// Encodes a specified image with a specified encoder into the current encoded image.
/// </summary>
/// <param name="image">The image to encode.</param>
/// <param name="imageEncoder">The image encoder to use.</param>
/// <remarks>The image width, height and pixel format must match. The method should not be called concurrently.</remarks>
public void EncodeFrom(Image image, IImageToStreamEncoder imageEncoder)
{
if (image.Width != this.Width || image.Height != this.Height || image.PixelFormat != this.PixelFormat)
{
throw new InvalidOperationException("Cannot encode from an image that has a different width, height, or pixel format.");
}
this.stream.Position = 0;
imageEncoder.EncodeToStream(image, this.stream);
}
/// <summary>
/// Encodes a specified image with a specified encoder into the current encoded image.
/// </summary>
/// <param name="image">The image to encode.</param>
/// <param name="imageEncoder">The image encoder to use.</param>
/// <remarks>The image width, height and pixel format must match. The method should not be called concurrently.</remarks>
public void EncodeFrom(Image image, IImageToStreamEncoder imageEncoder)
{
if (image.Width != this.Width || image.Height != this.Height || image.PixelFormat != this.PixelFormat)
{
throw new InvalidOperationException("Cannot encode from an image that has a different width, height, or pixel format.");
}
// reset the underlying MemoryStream - this also resets Position to 0
this.stream.SetLength(0);
imageEncoder.EncodeToStream(image, this.stream);
}
