private void button6_Click(object sender, EventArgs e)
{
using (var openDlg = new OpenFileDialog())
{
openDlg.Multiselect = false;
if (openDlg.ShowDialog(this) == DialogResult.OK)
{
string fileName = openDlg.FileName;
if (!File.Exists(fileName))
{
return;
}
var image = (Bitmap)Bitmap.FromFile(fileName);
pictureBox1.Image = image;
var result = barcodeReader.Decode(image);
if (result == null)
{
result = barcodeReader.Decode(image);
}
if (result == null)
{
MessageBox.Show("Không nhận diện được mã QR Code",
"QR Code Generator");
}
else
{
textBox5.Text = result.Text;
}
}
}
}
private void DecodeBarcode()
{
while (true)
{
if (pictureBox1.Image != null)
{
var barcodeBitmap = (Bitmap)pictureBox1.Image;
Thread.Sleep(5);
var result = reader.Decode(barcodeBitmap);
if (result != null)
{
Invoke(new Action(
delegate()
{
if (textBox1.Text != "")
{
if (textBox1.Lines[textBox1.Lines.Length - 1] != "바코드구격: " + result.BarcodeFormat + " 내용: " + result.Text)
{
textBox1.AppendText("\r\n바코드구격: " + result.BarcodeFormat + " 내용: " + result.Text);
}
}
else
{
textBox1.AppendText("\r\n바코드구격: " + result.BarcodeFormat + " 내용: " + result.Text);
}
}));
}
}
}
}
static Tuple <float, float> Test(int index, int iterations = 1, QRLevel level = QRLevel.Medium)
{
var black = 0;
var white = 0;
for (var it = 0; it < iterations; ++it)
{
var text = RandomString(70);
var pattern = new bool[3, 3];
for (var j = 0; j < 9; ++j)
{
pattern[j / 3, j % 3] = (index >> j) % 2 == 1;
}
var blackBitmap = Generate(text, level, pattern, true);
var whiteBitmap = Generate(text, level, pattern, false);
var blackResult = reader.Decode(blackBitmap);
var whiteResult = reader.Decode(whiteBitmap);
if (blackResult != null && blackResult.Text == text)
{
black++;
}
if (whiteResult != null && whiteResult.Text == text)
{
white++;
}
}
return(new Tuple <float, float>(
(float)black / iterations,
(float)white / iterations
));
}
public string DecodedBarcode(string imageLocation)
{
var barcodeBitmap = (Bitmap)Image.FromFile(imageLocation);
var result = _reader.Decode(barcodeBitmap);
return(result.Text);
//return _reader.Decode(barcodeBitmap);
}
private Result Quantize(IMagickImage image)
{
var settings = new QuantizeSettings
{
ColorSpace = ColorSpace.Gray,
Colors = 2,
DitherMethod = DitherMethod.No
};
image.Quantize(settings);
return(_reader.Decode(image));
}
Result CheckRegion(ref Bitmap barcodeBitmap, ref int debugNum)
{
//Сюда попадает уже вырезанный кусок картинки
Result result = null;
if (debugNum != 0)
{
if (debugNum != 0)
{
barcodeBitmap.Save("debug_" + debugNum + ".jpg", ImageFormat.Jpeg);
}
debugNum++;
}
try
{
result = reader.Decode(barcodeBitmap);
}
catch
{
//Do nothing...
}
float angle = 0.5f;
//немного поворачиваем, вдруг криво стоит
while ((result == null) && (angle < 3.0f))
{
try
{
result = reader.Decode(RotateBitmap(barcodeBitmap, angle));
}
catch
{
//Do nothing...
}
if (result == null)
{
try
{
result = reader.Decode(RotateBitmap(barcodeBitmap, -angle));
}
catch
{
//Do nothing...
}
}
angle += 0.5f;
}
return(result);
}
private string DecodeQrCode(WriteableBitmap wb)
{
IBarcodeReader reader = QrTools.GetQrReader();
var result = reader.Decode(wb);
return(result?.Text);
}
IEnumerator loop()
{
while (0 == 0)
{
//how many seconds to att the camera reader --- default 0.333(3 times per second)
yield return(new WaitForSeconds(0.333f));
try
{
//Convert camera vulforia
CameraDevice.Instance.SetFrameFormat(PIXEL_FORMAT.GRAYSCALE, true);
print("pixels :" + CameraDevice.Instance.GetCameraImage(PIXEL_FORMAT.GRAYSCALE).Pixels.Length);
var result = barcodeReader.Decode(CameraDevice.Instance.GetCameraImage(PIXEL_FORMAT.GRAYSCALE).Pixels, CameraDevice.Instance.GetCameraImage(PIXEL_FORMAT.GRAYSCALE).Width, CameraDevice.Instance.GetCameraImage(PIXEL_FORMAT.GRAYSCALE).Height, RGBLuminanceSource.BitmapFormat.Gray8);
//Qr's code result
print(result);
}
catch (Exception ex)
{
Debug.LogWarning(ex.Message);
}
}
}
void FixedUpdate()
{
if (frameReady)
{
try
{
var result = barcodeReader.Decode(texture.GetPixels32(), texture.width, texture.height);
if (result != null)
{
displayText.text = result.Text;
if (result.Text != previousVideoURL)
{
//Update
Debug.Log("Update");
player.Stop();
player.enabled = false;
previousVideoURL = result.Text;
playerTex = new Texture2D(playerTex.width, playerTex.height);
player.url = result.Text;
player.enabled = true;
player.frame = 0;
player.Play();
}
}
else
{
displayText.text = "No Measurement";
}
}
catch (Exception ex) { Debug.LogWarning(ex.Message); }
frameReady = false;
}
}
IEnumerator Decoder()
{
// yield return endFrame;
WaitForSeconds wait = new WaitForSeconds(0.5f);
Result result = null;//barcodeReader.Decode(camTexture.GetPixels32(), camTexture.width, camTexture.height);
while (result == null)
{
// Debug.Log("Decoder");
yield return(wait);
result = barcodeReader.Decode(camTexture.GetPixels32(), camTexture.width, camTexture.height);
}
WebCamStop();
gameObject.SetActive(false);
backBtn.gameObject.SetActive(false);
GameManager.Instance.SetGameStation(result.Text);
// if (result != null) {
// WebCamStop();
// gameObject.SetActive(false);
// backBtn.gameObject.SetActive(false);
// GameManager.Instance.SetGameStation(result.Text);
// // print(result.Text);
// }
// else
// StartCoroutine(Decoder());
}
private void OnGUI()
{
// do the reading — you might want to attempt to read less often than you draw on the screen for performance sake
if (!isReadingQr)
{
return;
}
// drawing the camera on screen
Graphics.DrawTexture(screenRect, camTexture);
if (delay < 15)
{
delay++;
return;
}
delay = 0;
try
{
// decode the current frame
var result = barcodeReader.Decode(camTexture.GetPixels32(),
camTexture.width, camTexture.height);
if (result != null)
{
client.Connect(result.Text, ControllerData.APPLICATION_PORT);
}
}
catch (Exception ex) {
Debug.LogWarning(ex.Message);
}
}
private void Update()
{
frames++;
if (frames % 40 == 0)
{
try
{
if (!wCamTexture.isPlaying)
{
wCamTexture.Play();
}
var result = barcodeReader.Decode(wCamTexture.GetPixels32(),
wCamTexture.width, wCamTexture.height);
if (result != null)
{
Debug.Log("DECODED TEXT FROM QR: " + result.Text);
if (addingNew)
{
}
else if (manager.CheckID(result.Text, sDatatype, transform.parent.gameObject, nextUI, ErrorUI))
{
wCamTexture.Stop();
if (sDatatype == CheckIdType.package)
{
tourlist.UpdateList();
groundNavigation.updateGroundNavigation();
}
}
}
}
catch (Exception ex) { Debug.LogWarning(ex.Message); }
delay = 0.0f;
}
}
private void decode()
{
if (cameraInitialized && !isDecoding)
{
try
{
isDecoding = true;
// Decode the current frame
var result = barcodeReader.Decode(camTexture.GetPixels32(), camTexture.width, camTexture.height);
if (result != null)
{
cameraDeactivate();
GameObject item = Instantiate(foodItemPrefab, scrollContent.transform);
item.GetComponent <FoodItem>().gameInstance = this;
item.GetComponent <FoodItem>().barcode = result.Text;
}
else
{
//Debug.Log("Nothing detected.");
}
isDecoding = false;
}
catch (Exception e)
{
Debug.LogError(e.Message);
}
}
}
void Update()
{
decodedText = "";
if (!mFormatRegistered)
{
return;
}
Image image = CameraDevice.Instance.GetCameraImage(mPixelFormat);
try {
// decode the current frame
camSize = new Vector2(image.Width, image.Height);
var result = barcodeReader.Decode(image.Pixels, image.Width, image.Height, mPixelFormat == Image.PIXEL_FORMAT.RGBA8888 ? RGBLuminanceSource.BitmapFormat.RGBA32 : RGBLuminanceSource.BitmapFormat.RGB24);
decodedText = result.Text;
if (result != null)
{
points = result.ResultPoints;
Rect r = GetPercentageRect(points);
currentArea = r.width * r.height;
if (!loadedQRs.Contains(result.Text) && currentArea >= minAreaForUserTargetCreation)
{
targetBuilder.BuildNewTarget("" + loadedQRs.Count, 1);
loadedQRs.Add(result.Text);
}
}
}
catch (Exception ex) { Debug.LogWarning(ex.Message); }
}
/// <summary>
/// Decode any single QR code present in a camera frame.
/// </summary>
/// <param name="image">The camera feed frame.</param>
private void ReadQRCode(Vuforia.Image image)
{
if (image == null || image.Pixels == null)
{
return;
}
try
{
// decode the current frame
var result = barcodeReader.Decode(image.Pixels, image.BufferWidth, image.BufferHeight, VuforiaToZXingBitmapFormat(pixelFormat));
if (result != null)
{
scannedText.text = result.Text;
Debug.Log($"Decoded {result.Text}");
}
else
{
Debug.Log("Nothing decoded yet.");
}
}
catch (Exception e)
{
Debug.LogError(e.Message);
}
}
// Update is called once per frame
void Update()
{
if (hasCamera)
{
Result res = qrReader.Decode(cameraFeedTexture.GetPixels32(), cameraFeedTexture.width, cameraFeedTexture.height);
if (res != null)
{
Debug.Log(res.Text);
//reminder to check that the qr code being decoded IS in fact one of the cards
DataController cards = FindObjectOfType <DataController> ();
//int cardNum = -1;
CardData cardData = cards.GetCardData();
int cardNum = cardData.GetCardSNFromURL(res.Text);
cards.cardNumber = cardNum;
if (cardNum >= 0)
{
SceneManager.LoadScene("ShowCardScene", LoadSceneMode.Single);
}
else
{
SceneManager.LoadScene("MenuScene", LoadSceneMode.Single);
}
//SceneManager.LoadScene ("MenuScene", LoadSceneMode.Single);
}
}
}
private void ScanForBarcode()
{
_phoneCamera.GetPreviewBufferArgb32(_previewBuffer.Pixels);
_previewBuffer.Invalidate();
_barcodeReader.Decode(_previewBuffer);
}
private void ScanForBarcode()
{
//grab a camera snapshot
_phoneCamera.GetPreviewBufferArgb32(_previewBuffer.Pixels);
_previewBuffer.Invalidate();
//scan the captured snapshot for barcodes
//if a barcode is found, the ResultFound event will fire
_barcodeReader.Decode(_previewBuffer);
}
public IEnumerator ReadQRCode()
{
while (true)
{
if (cameraInitialized)
{
image = CameraDevice.Instance.GetCameraImage(mPixelFormat);
if (image == null)
{
Debug.Log("No camera image found");
}
else
{
result = barCodeReader.Decode(image.Pixels, image.BufferWidth, image.BufferHeight, RGBLuminanceSource.BitmapFormat.RGB24);
image = null;
if (result != null)
{
// QRCode detected.
QRVisible = true;
Debug.Log(i + " QR code: " + result.Text);
//Do something with the QR code.
GameObject instantiatedSucces = Instantiate(succes, GameObject.Find("Canvas Start").transform);
Manager.Instance.controllerUrl = result.Text;
Debug.Log("Manager's controllerUrl set: " + Manager.Instance.controllerUrl);
int firstIndex = 0;
int secondIndex = result.Text.IndexOf("can");
int thirdIndex = result.Text.IndexOf("=") + 1;
string canvasUrl = result.Text.Substring(firstIndex, secondIndex) + result.Text.Substring(thirdIndex);
Manager.Instance.canvasUrl = canvasUrl + "?raw";
Debug.Log("Manager's variable set: " + Manager.Instance.canvasUrl);
result = null; // clear data
yield return(new WaitForSeconds(1));
Destroy(instantiatedSucces);
uiMethods.Show(GameObject.Find("Canvas full"));
uiMethods.Hide(GameObject.Find("Canvas Start"));
yield break;
}
}
}
yield return(new WaitForSeconds(0.5f));
}
}
/// <summary>
/// Decode the specified webCamTexture and portrait.
/// </summary>
/// <returns>The decode.</returns>
/// <param name="webCamTexture">Web cam texture.</param>
/// <param name="portrait">If set to <c>true</c> portrait.</param>
public static Result Decode(WebCamTexture webCamTexture, bool portrait = true)
{
try
{
// decode the current frame
if (portrait)
{
return(barcodeReader.Decode(Scanner.WebCamGetColor32Rotate(webCamTexture), webCamTexture.height, webCamTexture.width));
}
else
{
return(barcodeReader.Decode(webCamTexture.GetPixels32(), webCamTexture.width, webCamTexture.height));
}
}
catch (Exception ex)
{
Debug.LogWarning(ex.Message);
return(null);
}
}
public string decodeB(ref Bitmap bm)
{
try
{
this.Sres = reader.Decode(bm);
}catch (Exception ex)
{
genericDefinitions.error(ex.ToString(), "Error");
}
return(this.Sres.ToString());
}
private void ReadCode(Bitmap bitmap)
{
txtCodeType.Clear();
txtContent.Clear();
var result = barcodeReader.Decode(bitmap);
if (result != null)
{
txtCodeType.Text = result.BarcodeFormat.ToString();
txtContent.Text = result.Text;
}
}
private void ScanPreviewBuffer()
{
if (_luminance == null)
{
return;
}
_photoCamera.GetPreviewBufferY(_luminance.PreviewBufferY);
// use a dummy writeable bitmap because the luminance values are written directly to the luminance buffer
var result = _reader.Decode(dummyBitmap);
Dispatcher.BeginInvoke(() => DisplayResult(result));
}
private bool Is파일QR코드(string imagePath)
{
try
{
var s = string.Empty;
var barcodeBitmap = (Bitmap)Image.FromFile(imagePath);
var result = _barcodeReader.Decode(barcodeBitmap);
if (result != null)
{
s = result.Text;
}
return(!string.IsNullOrWhiteSpace(s));
}
catch (Exception ex)
{
return(false);
}
}
private void DecodeQR(byte[] imgBuffer, int width, int height)
{
var textResult = BarcodeReader.Decode(imgBuffer, width, height, RGBLuminanceSource.BitmapFormat.Gray8);
if (textResult != null)
{
if (SnackbarText != null)
{
SnackbarText.text = textResult.Text;
}
OnTextAvailable?.Invoke(textResult.Text);
}
}
private void Update()
{
if (cameraInitialized)
{
try
{
//Image cameraFeed = CameraDevice.Instance.GetCameraImage(Image.PIXEL_FORMAT.GRAYSCALE);
if (CameraDevice.Instance.SetFrameFormat(Image.PIXEL_FORMAT.GRAYSCALE, true))
{
Debug.Log("Successfully registered pixel format ");
}
else
{
Debug.LogError("Failed to register pixel format:");
return;
}
Image cameraFeed = CameraDevice.Instance.GetCameraImage(Image.PIXEL_FORMAT.GRAYSCALE);
if (cameraFeed == null)
{
return;
}
Result data = barCodeReader.Decode(cameraFeed.Pixels, cameraFeed.BufferWidth, cameraFeed.BufferHeight, RGBLuminanceSource.BitmapFormat.Gray8);
if (data != null)
{
// TODO: Handle when preview doesn't exists or an invalid text from QR Code was detected
FirebaseDatabase.DefaultInstance
.GetReference("previews/" + data.Text)
.GetValueAsync().ContinueWith(task =>
{
if (task.IsFaulted)
{
// TODO: Handle the error...
}
else if (task.IsCompleted)
{
DataSnapshot snapshot = task.Result;
Project.id = (string)snapshot.Child("projectId").Value;
Project.previewId = data.Text;
SceneManager.LoadScene("ManagerScene");
}
});
}
}
catch (Exception e)
{
Debug.Log("Error: " + e.Message);
}
}
}
IEnumerator SaveBarcodeCoroutine(Type type, Action <bool> foundBarcode)
{
var texture = toTexture2D(tex);
byte[] bytes = texture.EncodeToPNG();
try
{
// decode the current frame
var result = barcodeReader.Decode(texture.GetPixels32(), texture.width, texture.height);
Debug.Log("Result: " + result);
if (result != null)
{
Debug.Log("DECODED TEXT FROM QR: " + result.Text);
foundBarcode(true);
float scanTime = Time.realtimeSinceStartup - startTime;
TimeProfiler.Instance.AddLog(System.DateTime.Now, TimeModel.Action.QRScan, scanTime);
Debug.Log("Type: " + type.ToString());
if (type == Type.SubscribeSensor)
{
networkManager.ParseAndSubscribe(result.Text);
}
else if (type == Type.InfoSensor)
{
Debug.Log("Barcode: " + result.Text);
networkManager.ParseAndSubscribeForInfo(result.Text);
}
}
else
{
foundBarcode(false);
}
}
catch (Exception ex)
{
Debug.LogWarning(ex.Message);
foundBarcode(false);
}
//var folder = Directory.CreateDirectory(Application.persistentDataPath + "/Images");
Debug.Log(Application.persistentDataPath);
File.WriteAllBytes(Application.persistentDataPath + "/Images/barcode.png", bytes);
yield return(null);
}
private void ScanPreviewBuffer()
{
if (luminance == null)
{
return;
}
photoCamera.GetPreviewBufferY(luminance.PreviewBufferY);
// use a dummy writeable bitmap because the luminance values are written directly to the luminance buffer
var result = reader.Decode(dummyBitmap);
if (result != null)
{
viewModel.Scanned(result.Text);
}
}
private Result AnalyseFrame()
{
if (_currentCamera == null)
{
return(null);
}
var width = Convert.ToInt32(_currentCamera.PreviewResolution.Width);
var height = Convert.ToInt32(_currentCamera.PreviewResolution.Height);
var previewBuffer = new byte[width * height];
_currentCamera.GetPreviewBufferY(previewBuffer);
Result result = _barcodeReader.Decode(previewBuffer, width, height, RGBLuminanceSource.BitmapFormat.Gray8);
return(result);
}
private void Decode(Bitmap image)
{
var timerStart = DateTime.Now;
var result = barcodeReader.Decode(image);
var timerStop = DateTime.Now;
labDuration.Text = (timerStop - timerStart).TotalMilliseconds.ToString();/// ("0 ms");
if (result == null)
{
txtContent.Text = "No barcode recognized";
}
else
{
txtType.Text = result.BarcodeFormat.ToString();
txtContent.Text = result.Text;
}
}
