package com.vise.facedemo;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.hardware.Camera;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.vise.face.CameraPreview;
import com.vise.face.DetectorData;
import com.vise.face.DetectorProxy;
import com.vise.face.FaceRectView;
import com.vise.face.ICameraCheckListener;
import com.vise.face.IDataListener;
import com.vise.log.ViseLog;
import com.vise.utils.assist.StringUtil;
import com.vise.utils.view.ViewUtil;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
/**
* @Description: 拍照测肤界面
* @author: <a href="http://xiaoyaoyou1212.360doc.com">DAWI</a>
* @date: 2017/8/15 11:12
*/
public class FaceDetectorActivity extends Activity {
private CameraPreview mFace_detector_preview;
private FaceRectView mFace_detector_face;
private Button mFace_detector_take_photo;
private TextView mFace_detector_distance;
private Context mContext;
private DetectorProxy mDetectorProxy;
private DetectorData mDetectorData;
private Handler mHandler = new Handler(Looper.getMainLooper()) {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (mDetectorData != null) {
mFace_detector_distance.setText(StringUtil.parseStr(mDetectorData.getLightIntensity()));
}
}
};
private ICameraCheckListener mCameraCheckListener = new ICameraCheckListener() {
@Override
public void checkPermission(boolean isAllow) {
ViseLog.i("checkPermission" + isAllow);
if (!isAllow) {
Toast.makeText(mContext, "权限申请被拒绝，请进入设置打开权限再试！", Toast.LENGTH_SHORT).show();
finish();
}
}
@Override
public void checkPixels(long pixels, boolean isSupport) {
ViseLog.i("checkPixels" + pixels);
if (!isSupport) {
Toast.makeText(mContext, "手机相机像素达不到要求！", Toast.LENGTH_SHORT).show();
finish();
}
}
};
private IDataListener mDataListener = new IDataListener() {
@Override
public void onDetectorData(DetectorData detectorData) {
mDetectorData = detectorData;
ViseLog.i("识别数据:" + detectorData);
mHandler.sendEmptyMessage(0);
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_face_detector);
mContext = this;
init();
}
protected void init() {
mFace_detector_preview = (CameraPreview) findViewById(R.id.face_detector_preview);
mFace_detector_face = (FaceRectView) findViewById(R.id.face_detector_face);
mFace_detector_face.setZOrderOnTop(true);
mFace_detector_face.getHolder().setFormat(PixelFormat.TRANSLUCENT);
mFace_detector_take_photo = (Button) findViewById(R.id.face_detector_take_photo);
mFace_detector_distance = (TextView) findViewById(R.id.face_detector_distance);
// 点击SurfaceView，切换摄相头
mFace_detector_preview.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// 只有一个摄相头，不支持切换
if (Camera.getNumberOfCameras() == 1) {
return;
}
if (mDetectorProxy == null) {
return;
}
mDetectorProxy.closeCamera();
if (Camera.CameraInfo.CAMERA_FACING_FRONT == mDetectorProxy.getCameraId()) {
mDetectorProxy.setCameraId(Camera.CameraInfo.CAMERA_FACING_BACK);
} else {
mDetectorProxy.setCameraId(Camera.CameraInfo.CAMERA_FACING_FRONT);
}
mDetectorProxy.openCamera();
}
});
mFace_detector_take_photo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
mFace_detector_preview.getCamera().takePicture(new Camera.ShutterCallback() {
@Override
public void onShutter() {
}
}, null, new Camera.PictureCallback() {
@Override
public void onPictureTaken(byte[] bytes, Camera camera) {
mFace_detector_preview.getCamera().stopPreview();
saveImage(bytes);
finish();
}
});
}
});
mDetectorProxy = new DetectorProxy.Builder(mFace_detector_preview)
.setMinCameraPixels(3000000)
.setCheckListener(mCameraCheckListener)
.setDataListener(mDataListener)
.setFaceRectView(mFace_detector_face)
.setDrawFaceRect(true)
.build();
}
@Override
protected void onStart() {
super.onStart();
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
@Override
protected void onResume() {
super.onResume();
if (mDetectorProxy != null) {
mDetectorProxy.detector();
}
}
@Override
protected void onPause() {
super.onPause();
if (mDetectorProxy != null) {
mDetectorProxy.release();
}
}
@Override
protected void onStop() {
super.onStop();
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
@Override
protected void onDestroy() {
super.onDestroy();
System.gc();
}
/**
* 保存拍照的图片
*
* @param data
*/
private void saveImage(byte[] data) {
File pictureFile = getOutputFile(mContext, "face", "photo.jpg");//拍照图片
File avatarFile = getOutputFile(mContext, "face", "avatar.jpg");//截取人脸图片
if (pictureFile == null || avatarFile == null) {
return;
}
if (pictureFile.exists()) {
pictureFile.delete();
}
if (avatarFile.exists()) {
avatarFile.delete();
}
Rect rect = new Rect();
if (mDetectorData != null && mDetectorData.getFaceRectList() != null
&& mDetectorData.getFaceRectList().length > 0
&& mDetectorData.getFaceRectList()[0].right > 0) {
rect = mDetectorData.getFaceRectList()[0];
}
ViseLog.i("save picture start!");
Bitmap bitmap = getImage(data, rect, 1500, 2000, pictureFile, avatarFile);
ViseLog.i("save picture complete!");
if (bitmap != null) {
bitmap.recycle();
bitmap = null;
}
}
private String getDiskCacheDir(Context context, String dirName) {
String cachePath = "";
if ((Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())
|| !Environment.isExternalStorageRemovable())
&& context != null && context.getExternalCacheDir() != null) {
cachePath = context.getExternalCacheDir().getPath();
} else {
if (context != null && context.getCacheDir() != null) {
cachePath = context.getCacheDir().getPath();
}
}
return cachePath + File.separator + dirName;
}
private File getOutputFile(Context context, String dirName, String fileName) {
File dirFile = new File(getDiskCacheDir(context, dirName));
if (!dirFile.exists()) {
if (!dirFile.mkdirs()) {
ViseLog.d("failed to create directory");
return null;
}
}
File file = new File(dirFile.getPath() + File.separator + fileName);
return file;
}
private Bitmap getImage(byte[] data, Rect rect, float ww, float hh, File pictureFile, File avatarFile) {
BitmapFactory.Options options = new BitmapFactory.Options();
Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length, options);
int w = options.outWidth;
int h = options.outHeight;
float scale = 1.0F;
if (w < h) {
scale = ww / (float) w;
if (hh / (float) h > scale) {
scale = hh / (float) h;
}
} else {
scale = ww / (float) h;
if (hh / (float) w > scale) {
scale = hh / (float) w;
}
}
Bitmap scaleBitmap = scaleImage(bitmap, (int) ((float) w * scale), (int) ((float) h * scale));
if (bitmap != null && !bitmap.isRecycled()) {
bitmap.recycle();
bitmap = null;
}
return compressImage(scaleBitmap, rect, 1536, pictureFile, avatarFile);
}
private Bitmap compressImage(Bitmap image, Rect rect, int size, File pictureFile, File avatarFile) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
Bitmap bitmap = image;
image.compress(Bitmap.CompressFormat.JPEG, 100, baos);
int options = 100;
while (baos.toByteArray().length / 1024 > size) {
baos.reset();
options -= 5;
image.compress(Bitmap.CompressFormat.JPEG, options, baos);
}
FileOutputStream fileOutputStream = null;
try {
fileOutputStream = new FileOutputStream(pictureFile);
if (mFace_detector_preview != null) {
if (mFace_detector_preview.getCameraId() == Camera.CameraInfo.CAMERA_FACING_FRONT) {
bitmap = rotaingImageView(360 - mFace_detector_preview.getDisplayOrientation(), bitmap);
} else {
bitmap = rotaingImageView(mFace_detector_preview.getDisplayOrientation(), bitmap);
}
}
bitmap.compress(Bitmap.CompressFormat.JPEG, options, fileOutputStream);
} catch (FileNotFoundException var18) {
ViseLog.e("File not found: " + var18.getMessage());
} finally {
try {
if (fileOutputStream != null) {
fileOutputStream.flush();
fileOutputStream.close();
}
} catch (IOException var16) {
ViseLog.e("Error accessing file: " + var16.getMessage());
}
}
float scale = (float) bitmap.getHeight() / ViewUtil.getScreenHeight(mContext);
if (rect.right > 0) {
int top = (int) (rect.top * scale);
int bottom = (int) (rect.bottom * scale);
rect.left = 0;
rect.right = bitmap.getWidth();
rect.top = top - (bitmap.getWidth() - (bottom - top)) / 2;
rect.bottom = bottom + (bitmap.getWidth() - (bottom - top)) / 2;
} else {
rect.left = 0;
rect.right = bitmap.getWidth();
rect.top = (bitmap.getHeight() - bitmap.getWidth()) / 2;
rect.bottom = (bitmap.getHeight() - bitmap.getWidth()) / 2 + bitmap.getWidth();
}
Bitmap avatarBitmap = Bitmap.createBitmap(bitmap, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
try {
fileOutputStream = new FileOutputStream(avatarFile);
avatarBitmap.compress(Bitmap.CompressFormat.JPEG, 50, fileOutputStream);
} catch (FileNotFoundException var18) {
ViseLog.e("File not found: " + var18.getMessage());
} finally {
if (avatarBitmap != null && !avatarBitmap.isRecycled()) {
avatarBitmap.recycle();
avatarBitmap = null;
}
try {
if (fileOutputStream != null) {
fileOutputStream.flush();
fileOutputStream.close();
}
} catch (IOException var16) {
ViseLog.e("Error accessing file: " + var16.getMessage());
}
}
if (baos != null) {
try {
baos.close();
} catch (IOException var17) {
var17.printStackTrace();
}
}
if (image != null && !image.isRecycled()) {
image.recycle();
image = null;
}
return bitmap;
}
private Bitmap scaleImage(Bitmap bm, int newWidth, int newHeight) {
if (bm == null) {
return null;
} else {
int width = bm.getWidth();
int height = bm.getHeight();
float scaleWidth = (float) newWidth / (float) width;
float scaleHeight = (float) newHeight / (float) height;
Matrix matrix = new Matrix();
matrix.postScale(scaleWidth, scaleHeight);
Bitmap newbm = Bitmap.createBitmap(bm, 0, 0, width, height, matrix, true);
if (bm != null & !bm.isRecycled()) {
bm.recycle();
bm = null;
}
return newbm;
}
}
private Bitmap rotaingImageView(int angle, Bitmap bitmap) {
Matrix matrix = new Matrix();
matrix.postRotate((float) angle);
Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
if (resizedBitmap != bitmap && bitmap != null && !bitmap.isRecycled()) {
bitmap.recycle();
bitmap = null;
}
return resizedBitmap;
}
}
