public void RgbtoYuvBytes()
{
var yuvBytes = MMALColor.RGBToYUVBytes(Color.Blue);
var fromYuvBytes = MMALColor.FromYUVBytes(yuvBytes.Item1, yuvBytes.Item2, yuvBytes.Item3);
Assert.True(fromYuvBytes.R == Color.Blue.R && fromYuvBytes.G == Color.Blue.G && fromYuvBytes.B == Color.Blue.B);
}
public void FromYuv()
{
var fromYuvBytes = MMALColor.FromYUVBytes(0, 20, 20);
var rgbToYuv = MMALColor.RGBToYUV(fromYuvBytes);
var fromYuv = MMALColor.FromYUV(rgbToYuv.Item1, rgbToYuv.Item2, rgbToYuv.Item3);
Assert.True(fromYuv.Equals(fromYuvBytes));
}
/// <summary>
/// Gets the <see cref="Color"/> structure that will be used as a background when displaying information using the annotate feature.
/// </summary>
/// <param name="camera">The camera component.</param>
/// <returns>The <see cref="Color"/> structure.</returns>
public static Color GetBackgroundColourAnnotateSettings(this MMALCameraComponent camera)
{
MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T annotate = new MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T(
new MMAL_PARAMETER_HEADER_T(MMAL_PARAMETER_ANNOTATE, Marshal.SizeOf <MMAL_PARAMETER_CAMERA_ANNOTATE_V3_T>()),
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, null);
MMALCheck(MMALPort.mmal_port_parameter_get(camera.Control.Ptr, &annotate.Hdr), "Unable to get camera annotate settings");
return(MMALColor.FromYUVBytes(annotate.CustomBackgroundY, annotate.CustomBackgroundU, annotate.CustomBackgroundV));
}
/// <summary>
/// Gets the Colour Effects value currently being used by the camera.
/// </summary>
/// <param name="camera">The camera component.</param>
/// <returns>The Colour Effects value.</returns>
public static ColourEffects GetColourFx(this MMALCameraComponent camera)
{
MMAL_PARAMETER_COLOURFX_T colFx = new MMAL_PARAMETER_COLOURFX_T(
new MMAL_PARAMETER_HEADER_T(MMAL_PARAMETER_COLOUR_EFFECT, Marshal.SizeOf <MMAL_PARAMETER_COLOURFX_T>()),
0,
0,
0);
MMALCheck(MMALPort.mmal_port_parameter_get(camera.Control.Ptr, &colFx.Hdr), "Unable to get colour fx");
ColourEffects fx = new ColourEffects(colFx.Enable == 1, MMALColor.FromYUVBytes(0, (byte)colFx.U, (byte)colFx.V));
return(fx);
}
public void SetThenGetColourFx(bool enable, byte u, byte v)
{
var color = MMALColor.FromYUVBytes(0, u, v);
var colFx = new ColourEffects(enable, color);
MMALCameraConfig.ColourFx = colFx;
Fixture.MMALCamera.ConfigureCameraSettings();
var uv = MMALColor.RGBToYUVBytes(Fixture.MMALCamera.Camera.GetColourFx().Color);
Assert.True(Fixture.MMALCamera.Camera.GetColourFx().Enable == enable &&
uv.Item2 == u &&
uv.Item3 == v);
}
