diff --git a/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java b/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
index 94d0d79..1c6d7bf 100644
--- a/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
+++ b/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
@@ -5,8 +5,11 @@
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.ImageFormat;
+import android.graphics.Matrix;
+import android.graphics.Rect;
import android.hardware.Camera;
import android.media.FaceDetector;
+import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.TextView;
@@ -16,6 +19,7 @@
import com.casic.birmm.hxrq.R;
import com.casic.birmm.hxrq.base.BaseActivity;
import com.casic.birmm.hxrq.utils.ImageHelper;
+import com.casic.birmm.hxrq.widgets.FaceDetectView;
import java.io.IOException;
import java.util.List;
@@ -28,6 +32,8 @@
private static final String TAG = "FacePreViewActivity";
@BindView(R.id.surfaceView)
SurfaceView surfaceView;
+ @BindView(R.id.faceDetectView)
+ FaceDetectView faceDetectView;
@BindView(R.id.faceTipsView)
TextView faceTipsView;
private SurfaceHolder mSurfaceHolder;
@@ -70,6 +76,28 @@
}
//开始预览
mCamera.startPreview();
+ //人脸检测
+ mCamera.startFaceDetection();
+ mCamera.setFaceDetectionListener(new Camera.FaceDetectionListener() {
+ @Override
+ public void onFaceDetection(Camera.Face[] faces, Camera camera) {
+ if (faces.length > 0) {
+ Camera.Face face = faces[0];
+ Rect rect = face.rect;
+ Log.d(TAG, "可信度：" + face.score +
+ " ,face detected: " + faces.length +
+ " ,X: " + rect.centerX() +
+ " ,Y: " + rect.centerY() +
+ " ,[" + rect.left + "," + rect.top + "," + rect.right + "," + rect.bottom + "]");
+ Matrix matrix = updateFaceRect();
+ faceDetectView.updateFace(matrix, faces);
+ faceTipsView.setText("已检测到人脸，识别中");
+ faceTipsView.setTextColor(Color.GREEN);
+ } else {
+ faceDetectView.removeRect();
+ }
+ }
+ });
}
@Override
@@ -85,6 +113,21 @@
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);// setType必须设置
}
+ private Matrix updateFaceRect() {
+ Matrix matrix = new Matrix();
+ Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
+ // Need mirror for front camera.
+ boolean mirror = (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT);
+ matrix.setScale(mirror ? -1 : 1, 1);
+ // This is the value for android.hardware.Camera.setDisplayOrientation.
+ // 刚才我们设置了camera的旋转参数，所以这里也要设置一下
+ matrix.postRotate(90);
+ // Camera driver coordinates range from (-1000, -1000) to (1000, 1000).
+ // UI coordinates range from (0, 0) to (width, height).
+ matrix.postScale(surfaceView.getWidth() / 2000f, surfaceView.getHeight() / 2000f);
+ matrix.postTranslate(surfaceView.getWidth() / 2f, surfaceView.getHeight() / 2f);
+ return matrix;
+ }
@Override
public void onPreviewFrame(byte[] data, Camera camera) {
@@ -97,8 +140,6 @@
FaceDetector faceDetector = new FaceDetector(faceDetectorBitmap.getWidth(), faceDetectorBitmap.getHeight(), 1);
int faceSum = faceDetector.findFaces(faceDetectorBitmap, faces);
if (faceSum == 1) {
- faceTipsView.setText("已检测到人脸，识别中");
- faceTipsView.setTextColor(Color.GREEN);
bitmapStack.push(originBitmap);
if (bitmapStack.size() >= 3) {//当栈里有3张bitmap之后才开始识别
Bitmap bitmap = bitmapStack.pop();
diff --git a/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java b/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
index 94d0d79..1c6d7bf 100644
--- a/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
+++ b/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
@@ -5,8 +5,11 @@
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.ImageFormat;
+import android.graphics.Matrix;
+import android.graphics.Rect;
import android.hardware.Camera;
import android.media.FaceDetector;
+import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.TextView;
@@ -16,6 +19,7 @@
import com.casic.birmm.hxrq.R;
import com.casic.birmm.hxrq.base.BaseActivity;
import com.casic.birmm.hxrq.utils.ImageHelper;
+import com.casic.birmm.hxrq.widgets.FaceDetectView;
import java.io.IOException;
import java.util.List;
@@ -28,6 +32,8 @@
private static final String TAG = "FacePreViewActivity";
@BindView(R.id.surfaceView)
SurfaceView surfaceView;
+ @BindView(R.id.faceDetectView)
+ FaceDetectView faceDetectView;
@BindView(R.id.faceTipsView)
TextView faceTipsView;
private SurfaceHolder mSurfaceHolder;
@@ -70,6 +76,28 @@
}
//开始预览
mCamera.startPreview();
+ //人脸检测
+ mCamera.startFaceDetection();
+ mCamera.setFaceDetectionListener(new Camera.FaceDetectionListener() {
+ @Override
+ public void onFaceDetection(Camera.Face[] faces, Camera camera) {
+ if (faces.length > 0) {
+ Camera.Face face = faces[0];
+ Rect rect = face.rect;
+ Log.d(TAG, "可信度：" + face.score +
+ " ,face detected: " + faces.length +
+ " ,X: " + rect.centerX() +
+ " ,Y: " + rect.centerY() +
+ " ,[" + rect.left + "," + rect.top + "," + rect.right + "," + rect.bottom + "]");
+ Matrix matrix = updateFaceRect();
+ faceDetectView.updateFace(matrix, faces);
+ faceTipsView.setText("已检测到人脸，识别中");
+ faceTipsView.setTextColor(Color.GREEN);
+ } else {
+ faceDetectView.removeRect();
+ }
+ }
+ });
}
@Override
@@ -85,6 +113,21 @@
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);// setType必须设置
}
+ private Matrix updateFaceRect() {
+ Matrix matrix = new Matrix();
+ Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
+ // Need mirror for front camera.
+ boolean mirror = (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT);
+ matrix.setScale(mirror ? -1 : 1, 1);
+ // This is the value for android.hardware.Camera.setDisplayOrientation.
+ // 刚才我们设置了camera的旋转参数，所以这里也要设置一下
+ matrix.postRotate(90);
+ // Camera driver coordinates range from (-1000, -1000) to (1000, 1000).
+ // UI coordinates range from (0, 0) to (width, height).
+ matrix.postScale(surfaceView.getWidth() / 2000f, surfaceView.getHeight() / 2000f);
+ matrix.postTranslate(surfaceView.getWidth() / 2f, surfaceView.getHeight() / 2f);
+ return matrix;
+ }
@Override
public void onPreviewFrame(byte[] data, Camera camera) {
@@ -97,8 +140,6 @@
FaceDetector faceDetector = new FaceDetector(faceDetectorBitmap.getWidth(), faceDetectorBitmap.getHeight(), 1);
int faceSum = faceDetector.findFaces(faceDetectorBitmap, faces);
if (faceSum == 1) {
- faceTipsView.setText("已检测到人脸，识别中");
- faceTipsView.setTextColor(Color.GREEN);
bitmapStack.push(originBitmap);
if (bitmapStack.size() >= 3) {//当栈里有3张bitmap之后才开始识别
Bitmap bitmap = bitmapStack.pop();
diff --git a/app/src/main/java/com/casic/birmm/hxrq/widgets/FaceDetectView.java b/app/src/main/java/com/casic/birmm/hxrq/widgets/FaceDetectView.java
new file mode 100644
index 0000000..1f236fd
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/hxrq/widgets/FaceDetectView.java
@@ -0,0 +1,84 @@
+package com.casic.birmm.hxrq.widgets;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.hardware.Camera;
+import android.util.AttributeSet;
+import android.view.View;
+
+import androidx.annotation.Nullable;
+
+import com.qmuiteam.qmui.util.QMUIDisplayHelper;
+
+/**
+ * @author : Pengxh
+ * @time : 2021/4/14 8:45
+ * @email : 290677893@qq.com
+ * @apiNote :人脸框
+ **/
+public class FaceDetectView extends View {
+ private Matrix matrix;
+ private Paint mPaint;
+ private Camera.Face[] faces;
+ private boolean isClear;
+
+ public FaceDetectView(Context context) {
+ super(context);
+ init(context);
+ }
+
+ public FaceDetectView(Context context, @Nullable AttributeSet attrs) {
+ super(context, attrs);
+ init(context);
+ }
+
+ public FaceDetectView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+ super(context, attrs, defStyleAttr);
+ init(context);
+ }
+
+ private void init(Context context) {
+ mPaint = new Paint();
+ mPaint.setColor(Color.GREEN);
+ mPaint.setStyle(Paint.Style.STROKE);
+ mPaint.setStrokeWidth(QMUIDisplayHelper.dp2px(context, 2));
+ //设置抗锯齿
+ mPaint.setAntiAlias(true);
+ faces = new Camera.Face[]{};
+ }
+
+ @Override
+ protected void onDraw(Canvas canvas) {
+ super.onDraw(canvas);
+ canvas.setMatrix(matrix);
+ for (Camera.Face face : faces) {
+ if (face == null) break;
+ canvas.drawRect(face.rect, mPaint);
+ if (face.leftEye != null)
+ canvas.drawPoint(face.leftEye.x, face.leftEye.y, mPaint);
+ if (face.rightEye != null)
+ canvas.drawPoint(face.rightEye.x, face.rightEye.y, mPaint);
+ if (face.mouth != null)
+ canvas.drawPoint(face.mouth.x, face.mouth.y, mPaint);
+ }
+ if (isClear) {
+ canvas.drawColor(Color.WHITE, PorterDuff.Mode.CLEAR);
+ isClear = false;
+ }
+ }
+
+ public void updateFace(Matrix matrix, Camera.Face[] faces) {
+ this.matrix = matrix;
+ this.faces = faces;
+ invalidate();
+ }
+
+ public void removeRect() {
+ isClear = true;
+ invalidate();
+ }
+}
diff --git a/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java b/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
index 94d0d79..1c6d7bf 100644
--- a/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
+++ b/app/src/main/java/com/casic/birmm/hxrq/ui/FacePreViewActivity.java
@@ -5,8 +5,11 @@
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.ImageFormat;
+import android.graphics.Matrix;
+import android.graphics.Rect;
import android.hardware.Camera;
import android.media.FaceDetector;
+import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.TextView;
@@ -16,6 +19,7 @@
import com.casic.birmm.hxrq.R;
import com.casic.birmm.hxrq.base.BaseActivity;
import com.casic.birmm.hxrq.utils.ImageHelper;
+import com.casic.birmm.hxrq.widgets.FaceDetectView;
import java.io.IOException;
import java.util.List;
@@ -28,6 +32,8 @@
private static final String TAG = "FacePreViewActivity";
@BindView(R.id.surfaceView)
SurfaceView surfaceView;
+ @BindView(R.id.faceDetectView)
+ FaceDetectView faceDetectView;
@BindView(R.id.faceTipsView)
TextView faceTipsView;
private SurfaceHolder mSurfaceHolder;
@@ -70,6 +76,28 @@
}
//开始预览
mCamera.startPreview();
+ //人脸检测
+ mCamera.startFaceDetection();
+ mCamera.setFaceDetectionListener(new Camera.FaceDetectionListener() {
+ @Override
+ public void onFaceDetection(Camera.Face[] faces, Camera camera) {
+ if (faces.length > 0) {
+ Camera.Face face = faces[0];
+ Rect rect = face.rect;
+ Log.d(TAG, "可信度：" + face.score +
+ " ,face detected: " + faces.length +
+ " ,X: " + rect.centerX() +
+ " ,Y: " + rect.centerY() +
+ " ,[" + rect.left + "," + rect.top + "," + rect.right + "," + rect.bottom + "]");
+ Matrix matrix = updateFaceRect();
+ faceDetectView.updateFace(matrix, faces);
+ faceTipsView.setText("已检测到人脸，识别中");
+ faceTipsView.setTextColor(Color.GREEN);
+ } else {
+ faceDetectView.removeRect();
+ }
+ }
+ });
}
@Override
@@ -85,6 +113,21 @@
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);// setType必须设置
}
+ private Matrix updateFaceRect() {
+ Matrix matrix = new Matrix();
+ Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
+ // Need mirror for front camera.
+ boolean mirror = (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT);
+ matrix.setScale(mirror ? -1 : 1, 1);
+ // This is the value for android.hardware.Camera.setDisplayOrientation.
+ // 刚才我们设置了camera的旋转参数，所以这里也要设置一下
+ matrix.postRotate(90);
+ // Camera driver coordinates range from (-1000, -1000) to (1000, 1000).
+ // UI coordinates range from (0, 0) to (width, height).
+ matrix.postScale(surfaceView.getWidth() / 2000f, surfaceView.getHeight() / 2000f);
+ matrix.postTranslate(surfaceView.getWidth() / 2f, surfaceView.getHeight() / 2f);
+ return matrix;
+ }
@Override
public void onPreviewFrame(byte[] data, Camera camera) {
@@ -97,8 +140,6 @@
FaceDetector faceDetector = new FaceDetector(faceDetectorBitmap.getWidth(), faceDetectorBitmap.getHeight(), 1);
int faceSum = faceDetector.findFaces(faceDetectorBitmap, faces);
if (faceSum == 1) {
- faceTipsView.setText("已检测到人脸，识别中");
- faceTipsView.setTextColor(Color.GREEN);
bitmapStack.push(originBitmap);
if (bitmapStack.size() >= 3) {//当栈里有3张bitmap之后才开始识别
Bitmap bitmap = bitmapStack.pop();
diff --git a/app/src/main/java/com/casic/birmm/hxrq/widgets/FaceDetectView.java b/app/src/main/java/com/casic/birmm/hxrq/widgets/FaceDetectView.java
new file mode 100644
index 0000000..1f236fd
--- /dev/null
+++ b/app/src/main/java/com/casic/birmm/hxrq/widgets/FaceDetectView.java
@@ -0,0 +1,84 @@
+package com.casic.birmm.hxrq.widgets;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.hardware.Camera;
+import android.util.AttributeSet;
+import android.view.View;
+
+import androidx.annotation.Nullable;
+
+import com.qmuiteam.qmui.util.QMUIDisplayHelper;
+
+/**
+ * @author : Pengxh
+ * @time : 2021/4/14 8:45
+ * @email : 290677893@qq.com
+ * @apiNote :人脸框
+ **/
+public class FaceDetectView extends View {
+ private Matrix matrix;
+ private Paint mPaint;
+ private Camera.Face[] faces;
+ private boolean isClear;
+
+ public FaceDetectView(Context context) {
+ super(context);
+ init(context);
+ }
+
+ public FaceDetectView(Context context, @Nullable AttributeSet attrs) {
+ super(context, attrs);
+ init(context);
+ }
+
+ public FaceDetectView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+ super(context, attrs, defStyleAttr);
+ init(context);
+ }
+
+ private void init(Context context) {
+ mPaint = new Paint();
+ mPaint.setColor(Color.GREEN);
+ mPaint.setStyle(Paint.Style.STROKE);
+ mPaint.setStrokeWidth(QMUIDisplayHelper.dp2px(context, 2));
+ //设置抗锯齿
+ mPaint.setAntiAlias(true);
+ faces = new Camera.Face[]{};
+ }
+
+ @Override
+ protected void onDraw(Canvas canvas) {
+ super.onDraw(canvas);
+ canvas.setMatrix(matrix);
+ for (Camera.Face face : faces) {
+ if (face == null) break;
+ canvas.drawRect(face.rect, mPaint);
+ if (face.leftEye != null)
+ canvas.drawPoint(face.leftEye.x, face.leftEye.y, mPaint);
+ if (face.rightEye != null)
+ canvas.drawPoint(face.rightEye.x, face.rightEye.y, mPaint);
+ if (face.mouth != null)
+ canvas.drawPoint(face.mouth.x, face.mouth.y, mPaint);
+ }
+ if (isClear) {
+ canvas.drawColor(Color.WHITE, PorterDuff.Mode.CLEAR);
+ isClear = false;
+ }
+ }
+
+ public void updateFace(Matrix matrix, Camera.Face[] faces) {
+ this.matrix = matrix;
+ this.faces = faces;
+ invalidate();
+ }
+
+ public void removeRect() {
+ isClear = true;
+ invalidate();
+ }
+}
diff --git a/app/src/main/res/layout/activity_face.xml b/app/src/main/res/layout/activity_face.xml
index b6d8a43..d502c29 100644
--- a/app/src/main/res/layout/activity_face.xml
+++ b/app/src/main/res/layout/activity_face.xml
@@ -16,11 +16,10 @@
android:layout_height="match_parent"
android:layout_gravity="center" />
-
+