decode_buffer.c

void decode_barcode_buffer(void* barcodeReader, const unsigned char *data, int width, int height, int channel, boolean has_region, int left, int right, int top, int bottom) 
{
    if (has_region)
    {
        PublicRuntimeSettings settings;
        char errorMessage[256];
        int errorCode = DBR_GetRuntimeSettings(barcodeReader, &settings);
        settings.region.regionLeft = left;
        settings.region.regionRight = right;
        settings.region.regionTop = top;
        settings.region.regionBottom = bottom;
        settings.region.regionMeasuredByPercentage = 0;
        settings.barcodeFormatIds = BF_QR_CODE;
        settings.expectedBarcodesCount = 1;
        settings.localizationModes[2] = LM_SKIP;
        settings.localizationModes[3] = LM_SKIP;
        DBR_UpdateRuntimeSettings(barcodeReader, &settings, errorMessage, 256);
    }
 
    double time = get_time_point();
    ImagePixelFormat format = IPF_RGB_888;
    if (channel == 1)
    {
        format = IPF_GRAYSCALED;
    }
    else if (channel == 4)
    {
        format = IPF_ARGB_8888;
    }
 
    int errorCode = DBR_DecodeBuffer(barcodeReader, data, width, height, width * channel, format, "");
 
    printf(" Barcode buffer decoding in %lf milli-seconds.\n", ((double)get_time_point() - time) / 1000);
 
    TextResultArray *resultArray = NULL;
    DBR_GetAllTextResults(barcodeReader, &resultArray);
    if (resultArray->resultsCount == 0)
    {
        printf("No barcode found.\n");
    }
    else
    {
        int index = 0;
        for (; index < resultArray->resultsCount; index++)
        {
            printf(" Type: %s, Value: %s \n\n", resultArray->results[index]->barcodeFormatString, resultArray->results[index]->barcodeText);
        }   
    }
     
    DBR_FreeTextResults(&amp;resultArray);
}