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package com.hand.face.view;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import android.hardware.Camera.CameraInfo;
import android.hardware.Camera.Face;
import android.util.AttributeSet;
import android.widget.ImageView;
import com.hand.face.myinterface.CameraInterface;
import com.hand.face.utils.Utils;
/**
* Created by xiang.wang on 2016/12/10.
*/
public class FaceView extends ImageView {
private static final String TAG = "FaceView";
private Context mContext;
private Paint mLinePaint;
private Face[] mFaces;
private Matrix mMatrix = new Matrix();
private RectF mRect = new RectF();
private Drawable mFaceIndicator = null;
public FaceView(Context context, AttributeSet attrs) {
super(context, attrs);
// TODO Auto-generated constructor stub
initPaint();
mContext = context;
mFaceIndicator = getResources().getDrawable(Utils.getResourceId(mContext, "ic_face_find_2", "drawable"));
}
public void setFaces(Face[] faces){
this.mFaces = faces;
invalidate();
}
public void clearFaces(){
mFaces = null;
invalidate();
}
@Override
protected void onDraw(Canvas canvas) {
// TODO Auto-generated method stub
if(mFaces == null || mFaces.length < 1){
return;
}
boolean isMirror = false;
int Id = CameraInterface.getInstance().getCameraId();
if(Id == CameraInfo.CAMERA_FACING_BACK){
isMirror = false; //后置Camera无需mirror
}else if(Id == CameraInfo.CAMERA_FACING_FRONT){
isMirror = true; //前置Camera需要mirror
}
Utils.prepareMatrix(mMatrix, isMirror, 90, getWidth(), getHeight());
canvas.save();
mMatrix.postRotate(0); //Matrix.postRotate默认是顺时针
canvas.rotate(-0); //Canvas.rotate()默认是逆时针
for(int i = 0; i< mFaces.length; i++){
mRect.set(mFaces[i].rect);
mMatrix.mapRect(mRect);
mFaceIndicator.setBounds(Math.round(mRect.left), Math.round(mRect.top),
Math.round(mRect.right), Math.round(mRect.bottom));
mFaceIndicator.draw(canvas);
// canvas.drawRect(mRect, mLinePaint);
}
canvas.restore();
super.onDraw(canvas);
}
private void initPaint(){
mLinePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
// int color = Color.rgb(0, 150, 255);
int color = Color.rgb(98, 212, 68);
// mLinePaint.setColor(Color.RED);
mLinePaint.setColor(color);
mLinePaint.setStyle(Style.STROKE);
mLinePaint.setStrokeWidth(5f);
mLinePaint.setAlpha(180);
}
}