FaceMask.java
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package com.megvii.idcardlib;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.view.View;
import com.megvii.livenessdetection.DetectionFrame;
public class FaceMask extends View {
public static final int Threshold = 30;
Paint localPaint = null;
RectF mFaceRect = new RectF();
RectF mDrawRect = null;
private int normal_colour = 0xff00b4ff;
private int high_colour = 0xffff0000;
private boolean isFraontalCamera = true;
public FaceMask(Context context, AttributeSet atti) {
super(context, atti);
mDrawRect = new RectF();
localPaint = new Paint();
localPaint.setColor(normal_colour);
localPaint.setStrokeWidth(5);
localPaint.setStyle(Paint.Style.STROKE);
}
public void setFaceInfo(DetectionFrame faceInfo) {
if (faceInfo != null)
mFaceRect = faceInfo.getFacePos();
else {
mFaceRect = null;
}
postInvalidate();
}
public void setFrontal(boolean isFrontal)
{
this.isFraontalCamera = isFrontal;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mFaceRect == null)
return;
if (isFraontalCamera) {
mDrawRect.set(getWidth() * (1 - mFaceRect.right), getHeight()
* mFaceRect.top, getWidth() * (1 - mFaceRect.left),
getHeight()
* mFaceRect.bottom);
} else {
mDrawRect.set(getWidth() * mFaceRect.left, getHeight() * mFaceRect.top, getWidth()
* mFaceRect.right, getHeight() * mFaceRect.bottom);
}
canvas.drawRect(mDrawRect, localPaint);
}
}