Example 1 with Landmark
use of com.google.android.gms.vision.face.Landmark in project android-vision by googlesamples.
the class GooglyFaceTracker method getLandmarkPosition.
/**
* Finds a specific landmark position, or approximates the position based on past observations
* if it is not present.
*/
private PointF getLandmarkPosition(Face face, int landmarkId) {
for (Landmark landmark : face.getLandmarks()) {
if (landmark.getType() == landmarkId) {
return landmark.getPosition();
}
}
PointF prop = mPreviousProportions.get(landmarkId);
if (prop == null) {
return null;
}
float x = face.getPosition().x + (prop.x * face.getWidth());
float y = face.getPosition().y + (prop.y * face.getHeight());
return new PointF(x, y);
}Example 2 with Landmark
use of com.google.android.gms.vision.face.Landmark in project android-vision by googlesamples.
the class GooglyFaceTracker method updatePreviousProportions.
//==============================================================================================
// Private
//==============================================================================================
private void updatePreviousProportions(Face face) {
for (Landmark landmark : face.getLandmarks()) {
PointF position = landmark.getPosition();
float xProp = (position.x - face.getPosition().x) / face.getWidth();
float yProp = (position.y - face.getPosition().y) / face.getHeight();
mPreviousProportions.put(landmark.getType(), new PointF(xProp, yProp));
}
}Example 3 with Landmark
use of com.google.android.gms.vision.face.Landmark in project android-vision by googlesamples.
the class FaceView method drawFaceAnnotations.
/**
* Draws a small circle for each detected landmark, centered at the detected landmark position.
* <p>
*
* Note that eye landmarks are defined to be the midpoint between the detected eye corner
* positions, which tends to place the eye landmarks at the lower eyelid rather than at the
* pupil position.
*/
private void drawFaceAnnotations(Canvas canvas, double scale) {
Paint paint = new Paint();
paint.setColor(Color.GREEN);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(5);
for (int i = 0; i < mFaces.size(); ++i) {
Face face = mFaces.valueAt(i);
for (Landmark landmark : face.getLandmarks()) {
int cx = (int) (landmark.getPosition().x * scale);
int cy = (int) (landmark.getPosition().y * scale);
canvas.drawCircle(cx, cy, 10, paint);
}
}
}