/// <summary>
/// Initializes a new instance of the <see cref="HeifImage"/> class.
/// </summary>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="colorspace">The color space.</param>
/// <param name="chroma">The chroma.</param>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="width"/> is less than or equal to zero.
///
/// -or-
///
/// <paramref name="height"/> is less than or equal to zero.
/// </exception>
/// <exception cref="HeifException">
/// A LibHeif error occurred.
///
/// -or-
///
/// The LibHeif version is not supported.
/// </exception>
public HeifImage(int width, int height, HeifColorspace colorspace, HeifChroma chroma)
{
Validate.IsPositive(width, nameof(width));
Validate.IsPositive(height, nameof(height));
LibHeifVersion.ThrowIfNotSupported();
var error = LibHeifNative.heif_image_create(width,
height,
colorspace,
chroma,
out this.image);
error.ThrowIfError();
// The caller can set a color profile after the image has been created.
this.cachedImageColorProfile = null;
this.fetchedColorProfileFromImage = true;
this.sync = new object();
this.Width = width;
this.Height = height;
this.Colorspace = colorspace;
this.Chroma = chroma;
}