/// <summary>
/// Constructs a <see cref="XRCameraImageConversionParams"/> using the <paramref name="image"/>'s full
/// resolution. That is, it sets <see cref="inputRect"/> to <c>(0, 0, image.width, image.height)</c> and
/// <see cref="outputDimensions"/> to <c>(image.width, image.height)</c>.
/// </summary>
/// <param name="image">The source <see cref="XRCameraImage"/>.</param>
/// <param name="format">The <c>TextureFormat</c> to convert to.</param>
/// <param name="transformation">An optional <see cref="CameraImageTransformation"/> to apply.</param>
public XRCameraImageConversionParams(
XRCameraImage image,
TextureFormat format,
CameraImageTransformation transformation = CameraImageTransformation.None)
{
m_InputRect = new RectInt(0, 0, image.width, image.height);
m_OutputDimensions = new Vector2Int(image.width, image.height);
m_Format = format;
m_Transformation = transformation;
}
/// <summary>
/// Attempt to get the latest camera image. This provides directly access to the raw pixel data, as well as
/// utilities to convert to RGB and Grayscale formats.
/// </summary>
/// <remarks>
/// The returned <see cref="XRCameraImage"/> must be disposed to avoid resource leaks.
/// </remarks>
/// <param name="cameraImage">A valid <see cref="XRCameraImage"/> if this method returns <c>true</c>.</param>
/// <returns>
/// <c>true</c> if the image was acquired. Otherwise, <c>false</c>.
/// </returns>
/// <exception cref="System.NotSupportedException">Thrown if the implementation does not support camera image.
/// </exception>
public bool TryGetLatestImage(out XRCameraImage cameraImage)
{
CameraImageCinfo cameraImageCinfo;
if (m_Provider.TryAcquireLatestImage(out cameraImageCinfo))
{
cameraImage = new XRCameraImage(this, cameraImageCinfo.nativeHandle, cameraImageCinfo.dimensions,
cameraImageCinfo.planeCount, cameraImageCinfo.timestamp,
cameraImageCinfo.format);
return(true);
}
else
{
cameraImage = default(XRCameraImage);
return(false);
}
}