public void btn_camera_takepic(View view) {
Log.i(TAG, "btn_camera_takepic");
filePath =
CommonUtil.CAMERAFOLDER.getAbsolutePath()
+ File.separator
+ System.currentTimeMillis()
+ ".jpg";
mOpenCvCameraView.takePicture(filePath);
btn_camera_takepic.setText("Take this to replace!");
ToastUtil.showShortToast(getApplicationContext(), filePath + " saved");
bPictaken = true;
}
public void btn_camera_ok(View view) {
Log.i(TAG, "btn_camera_ok");
if (!bPictaken) {
ToastUtil.showShortToast(getApplicationContext(), "亲要先进行拍照哟!");
return; // do not forget!
}
// async do -> runtime exception: method called after release()
// maybe the activity releases before the thread returns!
final Mat image = Highgui.imread(filePath);
int width = image.width();
int height = image.height();
if (width > height) { // portrait should be rotated! direction? yes!
Core.flip(image.t(), image, 0); // counter-clock wise 90
}
Imgproc.cvtColor(image, image, Imgproc.COLOR_BGR2GRAY); // gray
Imgproc.resize(image, image, new Size(CommonUtil.IMAGE_WIDTH, CommonUtil.IMAGE_HEIGHT)); //
int total = 0;
String stotal = CommonUtil.userProps.getProperty("total");
if (null != stotal) { // have some users!
total = Integer.parseInt(stotal);
}
if (userid <= 0) { // not have this one!
userid = total + 1;
try { // save new data!
CommonUtil.userProps.setProperty("total", String.valueOf(userid));
CommonUtil.userProps.setProperty(String.valueOf(userid), name);
CommonUtil.saveUserProperties(CommonUtil.userProps);
} catch (Exception e) {
e.printStackTrace();
}
// creat folder for this user!
File userfolder =
new File(
CommonUtil.USERFOLDER.getAbsolutePath() + File.separator + String.valueOf(userid));
if (!userfolder.exists()) {
userfolder.mkdir();
}
}
filePath =
CommonUtil.USERFOLDER.getAbsolutePath()
+ File.separator
+ String.valueOf(userid)
+ File.separator
+ System.currentTimeMillis()
+ ".jpg"; // folder (user / userid)
Highgui.imwrite(filePath, image);
// save data to facedata.txt
String data = filePath + ";" + userid + "\n"; // user image file path;user id
try {
RandomAccessFile facedataFile =
new RandomAccessFile(
CommonUtil.SDFOLDER + File.separator + CommonUtil.FACEDATA_FILENAME, "rw");
facedataFile.seek(facedataFile.length());
facedataFile.write(data.getBytes());
facedataFile.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
Log.i(TAG, "image process ok");
// add this pic to the model data
new AsyncTask<Void, Void, Boolean>() {
@Override
protected Boolean doInBackground(Void... params) {
xface.addImage(image, userid); // how to determinate the result of adding image?!TODO!
return true;
}
@Override
protected void onPostExecute(Boolean result) {
if (result) {
ToastUtil.showShortToast(getApplicationContext(), "照片保存成功，模型建立好咯!");
} else {
ToastUtil.showShortToast(getApplicationContext(), "照片保存成功，模型建立失败啦!");
}
btn_camera_ok.setEnabled(true);
}
@Override
protected void onPreExecute() {
ToastUtil.showShortToast(getApplicationContext(), "照片保存中...");
btn_camera_ok.setEnabled(false); // can not let user save two images at the same time!
}
}.execute();
}