public static string DecodeFromImage(Texture2D image)
{
Debuger.Log(LOG_TAG, "DecodeFromImage() ");
try
{
Color32LuminanceSource src = new Color32LuminanceSource(image.GetPixels32(), image.width, image.height);
Binarizer bin = new GlobalHistogramBinarizer(src);
BinaryBitmap bmp = new BinaryBitmap(bin);
MultiFormatReader mfr = new MultiFormatReader();
Result result = mfr.decode(bmp);
if (result != null)
{
return(result.Text);
}
else
{
Debuger.LogError(LOG_TAG, "DecodeFromImage() Decode 失败！");
}
}
catch (Exception e)
{
Debuger.LogError(LOG_TAG, "DecodeFromImage() " + e.Message);
}
return("");
}
public static string DecodeQRcodeImage(Texture2D texture2D)
{
try
{
Color32LuminanceSource color32LuminanceSource = new Color32LuminanceSource(texture2D.GetPixels32(), texture2D.width, texture2D.height);
Binarizer binarizer = new GlobalHistogramBinarizer(color32LuminanceSource);
BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
MultiFormatReader multiFormatReader = new MultiFormatReader();
Result result = multiFormatReader.decode(binaryBitmap);
if (result != null)
{
return(result.Text);
}
else
{
Debuger.LogError("Decode QRcode Image Error");
return(String.Empty);
}
}
catch (Exception e)
{
Debuger.LogError("Decode QRcode Image Error " + e.Message);
return(String.Empty);
}
}
static LuminanceSource CreateLuminanceSource(Color32[] colors, int width, int height)
{
LuminanceSource luminanceSource = new Color32LuminanceSource(colors, width, height);
if (luminanceSource.CropSupported)
{
var smallerSize = Mathf.Min(width, height);
var smallerSizeHalf = smallerSize / 2;
luminanceSource = luminanceSource.crop(width / 2 - smallerSizeHalf, height / 2 - smallerSizeHalf, smallerSize, smallerSize);
}
return(luminanceSource);
}
/// <summary>
/// Function for just fetching the QR-Codes in the WebCamTexture-Image.
/// It stores the Data in a QrCodeData-Object.
/// It uses the "pixels" field as the image-source, since we can not
/// access the Unity-API from another thread than the main-thread.
/// </summary>
private void DecodeQr()
{
while (_runThread)
{
// waiting.
if (_pixels != null)
{
// Create a BitMatrix from the Color32[] of the camear image, so that XZing can detect QR-codes.
LuminanceSource lum = new Color32LuminanceSource(_pixels, GlobalState.Instance.CamWidth, GlobalState.Instance.CamHeight);
HybridBinarizer bin = new HybridBinarizer(lum);
BinaryBitmap binBip = new BinaryBitmap(bin);
BitMatrix matrix = binBip.BlackMatrix;
Detector detector = new Detector(matrix);
DetectorResult result = detector.detect();
_qrCodeCollection.UpdateData(result);
}
}
}
