public override void Draw(Canvas canvas)
{
if (this.mLFace == null)
{
return;
}
IList <MLPosition> face3dPoints = mLFace.Get3DKeyPoints(ML3DFace.LandmarkFive);
float[] projectionMatrix = new float[4 * 4];
float[] viewMatrix = new float[4 * 4];
mLFace.Get3DProjectionMatrix(projectionMatrix, 1, 10);
mLFace.Get3DViewMatrix(viewMatrix);
int frameHeight = (int)UnScaleX(overlay.Height); // Image height
int frameWidth = (int)UnScaleY(overlay.Width); // Image Width
float[] adaptMatrix = { frameWidth / 2, 0, frameWidth / 2, 0, -frameHeight / 2, frameHeight / 2, 0, 0, 1 };
IList <MLPosition> face2dPoints = TranslateTo2D(face3dPoints, projectionMatrix, viewMatrix, adaptMatrix);
StringBuilder sb = new StringBuilder();
// Draw 2D points
Paint numPaint;
numPaint = new Paint();
numPaint.Color = Color.Red;
numPaint.TextSize = frameHeight / 80;
for (int i = 0; i < face2dPoints.Count; i++)
{
MLPosition point = face2dPoints.ElementAt(i);
canvas.DrawPoint(TranslateX(point.GetX().FloatValue()), TranslateY(point.GetY().FloatValue()), boxPaint);
canvas.DrawText("" + i, TranslateX(point.GetX().FloatValue()), TranslateY(point.GetY().FloatValue()), numPaint);
sb.Append(point.GetX() + " " + point.GetY() + "\n");
}
}
private void DisplaySuccess(ML3DFace mLFace)
{
float[] projectionMatrix = new float[4 * 4];
float[] viewMatrix = new float[4 * 4];
mLFace.Get3DProjectionMatrix(projectionMatrix, 1, 10);
mLFace.Get3DViewMatrix(viewMatrix);
DecimalFormat decimalFormat = new DecimalFormat("0.00");
string result = "3DFaceEulerX: " + decimalFormat.Format(mLFace.Get3DFaceEulerX());
result += "\n3DFaceEulerY: " + decimalFormat.Format(mLFace.Get3DFaceEulerY());
result += "\n3DFaceEulerZ: " + decimalFormat.Format(mLFace.Get3DFaceEulerZ());
result += "\n3DProjectionMatrix:";
for (int i = 0; i < 16; i++)
{
result += " " + decimalFormat.Format(projectionMatrix[i]);
}
result += "\nViewMatrix:";
for (int i = 0; i < 16; i++)
{
result += " " + decimalFormat.Format(viewMatrix[i]);
}
this.mTextView.Text = result;
}