/// <summary>
/// Sets the encoder lossy quality.
/// </summary>
/// <param name="quality">The quality.</param>
/// <exception cref="ArgumentOutOfRangeException">The quality parameter is not in the range of [0, 100] inclusive.</exception>
/// <exception cref="HeifException">A LibHeif error occurred.</exception>
/// <exception cref="ObjectDisposedException">The object has been disposed.</exception>
public void SetLossyQuality(int quality)
{
if (quality < 0 || quality > 100)
{
ExceptionUtil.ThrowArgumentOutOfRangeException(nameof(quality), "Must be in the range of [0, 100].");
}
VerifyNotDisposed();
var error = LibHeifNative.heif_encoder_set_lossy_quality(this.encoder, quality);
error.ThrowIfError();
}
/// <summary>
/// Sets the lossless compression support.
/// </summary>
/// <param name="lossless">
/// <see langword="true"/> if the encoder should use lossless compression; otherwise, <see langword="false"/>.
/// </param>
/// <exception cref="HeifException">A LibHeif error occurred.</exception>
/// <exception cref="ObjectDisposedException">The object has been disposed.</exception>
public void SetLossless(bool lossless)
{
VerifyNotDisposed();
var error = LibHeifNative.heif_encoder_set_lossless(this.encoder, lossless);
error.ThrowIfError();
if (lossless && !this.lossyQualitySet)
{
// LibHeif requires the lossy quality to be always be set, if it has
// not been set the encoder will produce a corrupted image.
error = LibHeifNative.heif_encoder_set_lossy_quality(this.encoder, 50);
error.ThrowIfError();
this.lossyQualitySet = true;
}
}
