// For each face, we create a HightlightView for it.
private void HandleFace(FaceDetector.Face f)
{
EmCropImage eci = this.ECI;
if (eci == null)
{
return;
}
PointF midPoint = new PointF();
int r = ((int)(f.EyesDistance() * this.Scale)) * 2;
f.GetMidPoint(midPoint);
midPoint.X *= this.Scale;
midPoint.Y *= this.Scale;
int midX = (int)midPoint.X;
int midY = (int)midPoint.Y;
EmHighlightView hv = new EmHighlightView(eci.ImageView, eci.MOutlineColor, eci.MOutlineCircleColor);
int width = eci.Bitmap.Width;
int height = eci.Bitmap.Height;
Rect imageRect = new Rect(0, 0, width, height);
RectF faceRect = new RectF(midX, midY, midX, midY);
faceRect.Inset(-r, -r);
if (faceRect.Left < 0)
{
faceRect.Inset(-faceRect.Left, -faceRect.Left);
}
if (faceRect.Top < 0)
{
faceRect.Inset(-faceRect.Top, -faceRect.Top);
}
if (faceRect.Right > imageRect.Right)
{
faceRect.Inset(faceRect.Right - imageRect.Right, faceRect.Right - imageRect.Right);
}
if (faceRect.Bottom > imageRect.Bottom)
{
faceRect.Inset(faceRect.Bottom - imageRect.Bottom, faceRect.Bottom - imageRect.Bottom);
}
hv.Setup(this.MImageMatrix, imageRect, faceRect, eci.CircleCropping, eci.AspectX != 0 && eci.AspectY != 0);
eci.ImageView.Add(hv);
}
private void MakeDefault()
{
EmCropImage eci = this.ECI;
if (eci == null)
{
return;
}
EmHighlightView hv = new EmHighlightView(eci.ImageView, eci.MOutlineColor, eci.MOutlineCircleColor);
int width = eci.Bitmap.Width;
int height = eci.Bitmap.Height;
Rect imageRect = new Rect(0, 0, width, height);
// make the default size about 4/5 of the width or height
int cropWidth = Java.Lang.Math.Min(width, height) * 4 / 5;
int cropHeight = cropWidth;
if (eci.AspectX != 0 && eci.AspectY != 0)
{
if (eci.AspectX > eci.AspectY)
{
cropHeight = cropWidth * eci.AspectY / eci.AspectX;
}
else
{
cropWidth = cropHeight * eci.AspectX / eci.AspectY;
}
}
int x = (width - cropWidth) / 2;
int y = (height - cropHeight) / 2;
RectF cropRect = new RectF(x, y, x + cropWidth, y + cropHeight);
hv.Setup(this.MImageMatrix, imageRect, cropRect, eci.CircleCropping,
eci.AspectX != 0 && eci.AspectY != 0);
eci.ImageView.Add(hv);
}