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| package mon.projet;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import mon.projet.MonProjet;
import com.googlecode.tesseract.android.TessBaseAPI;
import mon.projet.R;
import mon.projet.MonProjet.ButtonClickHandler;
import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.media.ExifInterface;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.provider.MediaStore.Images.Media;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.TabHost;
import android.widget.TabHost.TabSpec;
import android.widget.Toast;
public class MonProjet extends Activity implements
SurfaceHolder.Callback {
byte code;
String Path = "/sdcard/PhotoEditor/Test.png" ;
Button b = null;
private TabHost monTabHost;
private Camera camera;
private SurfaceView surfaceCamera;
private Boolean isPreview;
private FileOutputStream stream;
public static final String PACKAGE_NAME = "com.datumdroid.android.ocr.simple";
public static final String DATA_PATH = Environment
.getExternalStorageDirectory().toString() + "/SimpleAndroidOCR/";
// You should have the trained data file in assets folder
// You can get them at:
// http://code.google.com/p/tesseract-ocr/downloads/list
public static final String lang = "eng";
private static final String TAG = "SimpleAndroidOCR.java";
protected Button _button;
// protected ImageView _image;
protected EditText _field;
protected String _path;
protected boolean _taken;
protected static final String PHOTO_TAKEN = "photo_taken";
@Override
public void onCreate(Bundle savedInstanceState) {
//////////////////////////////////////////////////
////////////////////////////////////////////
String[] paths = new String[] { DATA_PATH, DATA_PATH + "tessdata/" };
for (String path : paths) {
File dir = new File(path);
if (!dir.exists()) {
if (!dir.mkdirs()) {
Log.v(TAG, "ERROR: Creation of directory " + path + " on sdcard failed");
return;
} else {
Log.v(TAG, "Created directory " + path + " on sdcard");
}
}
}
if (!(new File(DATA_PATH + "tessdata/" + lang + ".traineddata")).exists()) {
try {
AssetManager assetManager = getAssets();
InputStream in = assetManager.open("tessdata/eng.traineddata");
//GZIPInputStream gin = new GZIPInputStream(in);
OutputStream out = new FileOutputStream(DATA_PATH
+ "tessdata/eng.traineddata");
// Transfer bytes from in to out
byte[] buf = new byte[1024];
int len;
//while ((lenf = gin.read(buff)) > 0) {
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
in.close();
//gin.close();
out.close();
Log.v(TAG, "Copied " + lang + " traineddata");
} catch (IOException e) {
Log.e(TAG, "Was unable to copy " + lang + " traineddata " + e.toString());
}
}
/////////////////////////////////////////
/////////////////////////////////
super.onCreate(savedInstanceState);
// On met l'application en plein écran et sans barre de titre
getWindow().setFormat(PixelFormat.TRANSLUCENT);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
isPreview = false;
setContentView(R.layout.main);
monTabHost =(TabHost) findViewById(R.id.TabHost01);
monTabHost.setup();
monTabHost.addTab(monTabHost.newTabSpec("onglet_1").setIndicator("Choix").setContent(R.id.Onglet1));
monTabHost.addTab(monTabHost.newTabSpec("onglet_2").setIndicator("Résultat").setContent(R.id.Onglet2));
monTabHost.addTab(monTabHost.newTabSpec("onglet_3").setIndicator("Scan").setContent(R.id.Onglet3));
monTabHost.addTab(monTabHost.newTabSpec("onglet_4").setIndicator("OCR").setContent(R.id.Onglet4));
monTabHost.setOnTabChangedListener(
new TabHost.OnTabChangeListener (){
public void onTabChanged(String tabId){
//Toast.makeText(MonProjet.this, "L’onglet avec l’identifiant : "+ tabId + " a été cliqué", Toast.LENGTH_SHORT).show();
}
});
////////////////////////////
///////////////////////////
// _image = (ImageView) findViewById(R.id.image);
_field = (EditText) findViewById(R.id.monEditText3);
_button = (Button) findViewById(R.id.button);
_button.setOnClickListener(new ButtonClickHandler());
_path = DATA_PATH + "/ocr.jpg";
////////////////////////
///////////////////////
((CheckBox)findViewById(R.id.CheckBox02)).setOnCheckedChangeListener(
new CheckBox.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
code = 0001;
}
});
((CheckBox)findViewById(R.id.CheckBox03)).setOnCheckedChangeListener(
new CheckBox.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
code = 0010;
}
});
((CheckBox)findViewById(R.id.CheckBox04)).setOnCheckedChangeListener(
new CheckBox.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
code = 0011;
}
});
((CheckBox)findViewById(R.id.CheckBox05)).setOnCheckedChangeListener(
new CheckBox.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
code = 0100;
}
});
((CheckBox)findViewById(R.id.CheckBox06)).setOnCheckedChangeListener(
new CheckBox.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
code = 0101;
}
});
((CheckBox)findViewById(R.id.CheckBox07)).setOnCheckedChangeListener(
new CheckBox.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
code = 0110;
}
});
((CheckBox)findViewById(R.id.CheckBox08)).setOnCheckedChangeListener(
new CheckBox.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
code = 0111;
}
});
((Button)findViewById(R.id.button1)).setOnClickListener(new OnClickListener() {
public void onClick(View v) {
String result = null;
EditText texte1 = ((EditText)findViewById(R.id.monEditText1));
String chiffre1 = texte1.getText().toString();
EditText texte2 = ((EditText)findViewById(R.id.monEditText2));
String chiffre2 = texte2.getText().toString();
switch(code){
case 0000 :
break;
case 0001 :
float somme = Float.parseFloat(chiffre1) + Float.parseFloat(chiffre2);
result = String.valueOf(somme);
break;
case 0010 :
float difference = Float.parseFloat(chiffre1) - Float.parseFloat(chiffre2);
result = String.valueOf(difference);
break;
case 0011 :
float produit = Float.parseFloat(chiffre1) * Float.parseFloat(chiffre2);
result = String.valueOf(produit);
break;
case 0100 :
float quotient = Float.parseFloat(chiffre1) / Float.parseFloat(chiffre2);
result = String.valueOf(quotient);
break;
case 0101 :
double cosinus = Math.cos(Double.parseDouble(chiffre1)*Math.PI/180);
result = String.valueOf(cosinus);
break;
case 0111 :
double sinus = Math.sin(Double.parseDouble(chiffre1)*Math.PI/180);
result = String.valueOf(sinus);
break;
}
Toast.makeText(MonProjet.this, result, Toast.LENGTH_LONG).show();
}
});
// Si vous voulez gérer plusieurs caméra sur votre mobile / tablette
for (int nbCamera = 0; nbCamera < Camera.getNumberOfCameras(); nbCamera++) {
Camera.CameraInfo informationsCamera = new Camera.CameraInfo();
Camera.getCameraInfo(nbCamera, informationsCamera);
if (informationsCamera != null) {
switch (informationsCamera.facing) {
case Camera.CameraInfo.CAMERA_FACING_FRONT:
// Caméra facial
break;
case Camera.CameraInfo.CAMERA_FACING_BACK:
// Caméra arrière
break;
}
}
}
// On récupère notre surface pour le preview
surfaceCamera = (SurfaceView) findViewById(R.id.surfaceViewCamera);
// Quand on clique sur notre surface
surfaceCamera.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// On prend une photo
if (camera != null) {
SavePicture();
}
}
});
// Méthode d'initialisation de la caméra
InitializeCamera();
}
public void afficheToast(String text)
{
Toast.makeText(this, text, Toast.LENGTH_SHORT).show();
}
public class ButtonClickHandler implements View.OnClickListener {
public void onClick(View view) {
Log.v(TAG, "Starting Camera app");
startCameraActivity();
}
}
protected void startCameraActivity() {
File file = new File(_path);
Uri outputFileUri = Uri.fromFile(file);
final Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
startActivityForResult(intent, 0);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.i(TAG, "resultCode: " + resultCode);
if (resultCode == -1) {
onPhotoTaken();
} else {
Log.v(TAG, "User cancelled");
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
outState.putBoolean(MonProjet.PHOTO_TAKEN, _taken);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
Log.i(TAG, "onRestoreInstanceState()");
if (savedInstanceState.getBoolean(MonProjet.PHOTO_TAKEN)) {
onPhotoTaken();
}
}
protected void onPhotoTaken() {
_taken = true;
BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 4;
Bitmap bitmap = BitmapFactory.decodeFile(_path, options);
try {
ExifInterface exif = new ExifInterface(_path);
int exifOrientation = exif.getAttributeInt(
ExifInterface.TAG_ORIENTATION,
ExifInterface.ORIENTATION_NORMAL);
Log.v(TAG, "Orient: " + exifOrientation);
int rotate = 0;
switch (exifOrientation) {
case ExifInterface.ORIENTATION_ROTATE_90:
rotate = 90;
break;
case ExifInterface.ORIENTATION_ROTATE_180:
rotate = 180;
break;
case ExifInterface.ORIENTATION_ROTATE_270:
rotate = 270;
break;
}
Log.v(TAG, "Rotation: " + rotate);
if (rotate != 0) {
// Getting width & height of the given image.
int w = bitmap.getWidth();
int h = bitmap.getHeight();
// Setting pre rotate
Matrix mtx = new Matrix();
mtx.preRotate(rotate);
// Rotating Bitmap
bitmap = Bitmap.createBitmap(bitmap, 0, 0, w, h, mtx, false);
}
// Convert to ARGB_8888, required by tess
bitmap = bitmap.copy(Bitmap.Config.ARGB_8888, true);
} catch (IOException e) {
Log.e(TAG, "Couldn't correct orientation: " + e.toString());
}
// _image.setImageBitmap( bitmap );
Log.v(TAG, "Before baseApi");
TessBaseAPI baseApi = new TessBaseAPI();
baseApi.setDebug(true);
baseApi.init(DATA_PATH, lang);
baseApi.setImage(bitmap);
String recognizedText = baseApi.getUTF8Text();
baseApi.end();
// You now have the text in recognizedText var, you can do anything with it.
// We will display a stripped out trimmed alpha-numeric version of it (if lang is eng)
// so that garbage doesn't make it to the display.
Log.v(TAG, "OCRED TEXT: " + recognizedText);
if ( lang.equalsIgnoreCase("eng") ) {
recognizedText = recognizedText.replaceAll("[^a-zA-Z0-9]+", " ");
}
recognizedText = recognizedText.trim();
if ( recognizedText.length() != 0 ) {
_field.setText(_field.getText().toString().length() == 0 ? recognizedText : _field.getText() + " " + recognizedText);
_field.setSelection(_field.getText().toString().length());
}
// Cycle done.
}
public void InitializeCamera() {
// On attache nos retour du holder à notre activite
surfaceCamera.getHolder().addCallback(this);
// On spécifie le type du holder en mode SURFACE_TYPE_PUSH_BUFFERS
surfaceCamera.getHolder().setType(
SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
// Retour sur l'application
@Override
public void onResume() {
super.onResume();
camera = Camera.open();
camera.setDisplayOrientation(90);
}
// Mise en pause de l'application
@Override
public void onPause() {
super.onPause();
if (camera != null) {
camera.release();
camera = null;
}
}
// Implémentation du surface holder
// Quand la surface change
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
// Si le mode preview est lancé alors on le stop
if (isPreview) {
camera.stopPreview();
}
// On récupère les parametres de la camera
Camera.Parameters parameters = camera.getParameters();
// On change la taille
parameters.setPreviewSize(width, height);
// On applique nos nouveaux parametres
camera.setParameters(parameters);
try {
// On attache notre previsualisation de la camera au holder de la
// surface
camera.setPreviewDisplay(surfaceCamera.getHolder());
} catch (IOException e) {
}
// On lance la previeuw
camera.startPreview();
isPreview = true;
}
public void surfaceCreated(SurfaceHolder holder) {
// On prend le controle de la camera
if (camera == null)
camera = Camera.open();
}
public void surfaceDestroyed(SurfaceHolder holder) {
// On arrête la camera et on rend la main
if (camera != null) {
camera.stopPreview();
isPreview = false;
camera.release();
}
}
// Callback pour la prise de photo
Camera.PictureCallback pictureCallback = new Camera.PictureCallback() {
public void onPictureTaken(byte[] data, Camera camera) {
if (data != null) {
// Enregistrement de votre image
try {
if (stream != null) {
stream.write(data);
stream.flush();
stream.close();
}
} catch (Exception e) {
// TODO: handle exception
}
// On redémarre la prévisualisation
camera.startPreview();
}
}
};
private void SavePicture() {
try {
SimpleDateFormat timeStampFormat = new SimpleDateFormat(
"yyyy-MM-dd-HH.mm.ss");
String fileName = "photo_" + timeStampFormat.format(new Date())
+ ".jpg";
// Metadata pour la photo
ContentValues values = new ContentValues();
values.put(Media.TITLE, fileName);
values.put(Media.DISPLAY_NAME, fileName);
values.put(Media.DESCRIPTION, "Image prise par FormationCamera");
values.put(Media.DATE_TAKEN, new Date().getTime());
values.put(Media.MIME_TYPE, "image/jpeg");
// Support de stockage
Uri taken = getContentResolver().insert(Media.EXTERNAL_CONTENT_URI,
values);
// Ouverture du flux pour la sauvegarde
stream = (FileOutputStream) getContentResolver().openOutputStream(
taken);
camera.takePicture(null, pictureCallback, pictureCallback);
} catch (Exception e) {
// TODO: handle exception
}
}
} |
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Keith Flint 1969 - 2019
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