main.cxx

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <string>

#include "opencv2/core.hpp"
#include "opencv2/imgproc.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/videoio.hpp"
#include "opencv2/core/utility.hpp"
#include "opencv2/imgcodecs.hpp"

#if defined(_WIN64) || defined(_WIN32)
#include <windows.h>
#include <conio.h>
#define snprintf sprintf_s
#else
#include <sys/time.h>
#endif

#include "DynamsoftBarcodeReader.h"
#include "DynamsoftCommon.h"
using namespace dynamsoft::dbr;
using namespace cv;

typedef struct BarcodeFormatSet
{
	int barcodeFormatIds;
	int barcodeFormatIds_2;
} BarcodeFormatSet;

unsigned long GetTimestamp()
{
#if defined(_WIN64) || defined(_WIN32)
	return GetTickCount();
#else
	struct timeval timing;
	gettimeofday(&timing, NULL);
	return timing.tv_sec * 1000 + timing.tv_usec / 1000;
#endif
}

const int GetBarcodeFormatId(int iIndex, BarcodeFormatSet *barcodeFormatSet)
{
	int ret = 0;
	switch (iIndex)
	{
	case 1:
		barcodeFormatSet->barcodeFormatIds = BF_ALL;
		barcodeFormatSet->barcodeFormatIds_2 = BF2_POSTALCODE | BF2_DOTCODE;
		break;
	case 2:
		barcodeFormatSet->barcodeFormatIds = BF_ONED;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 3:
		barcodeFormatSet->barcodeFormatIds = BF_QR_CODE;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 4:
		barcodeFormatSet->barcodeFormatIds = BF_CODE_39;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 5:
		barcodeFormatSet->barcodeFormatIds = BF_CODE_128;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 6:
		barcodeFormatSet->barcodeFormatIds = BF_CODE_93;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 7:
		barcodeFormatSet->barcodeFormatIds = BF_CODABAR;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 8:
		barcodeFormatSet->barcodeFormatIds = BF_ITF;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 9:
		barcodeFormatSet->barcodeFormatIds = BF_INDUSTRIAL_25;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 10:
		barcodeFormatSet->barcodeFormatIds = BF_EAN_13;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 11:
		barcodeFormatSet->barcodeFormatIds = BF_EAN_8;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 12:
		barcodeFormatSet->barcodeFormatIds = BF_UPC_A;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 13:
		barcodeFormatSet->barcodeFormatIds = BF_UPC_E;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 14:
		barcodeFormatSet->barcodeFormatIds = BF_PDF417;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 15:
		barcodeFormatSet->barcodeFormatIds = BF_DATAMATRIX;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 16:
		barcodeFormatSet->barcodeFormatIds = BF_AZTEC;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 17:
		barcodeFormatSet->barcodeFormatIds = BF_CODE_39_EXTENDED;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 18:
		barcodeFormatSet->barcodeFormatIds = BF_MAXICODE;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 19:
		barcodeFormatSet->barcodeFormatIds = BF_GS1_DATABAR;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 20:
		barcodeFormatSet->barcodeFormatIds = BF_PATCHCODE;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 21:
		barcodeFormatSet->barcodeFormatIds = BF_GS1_COMPOSITE;
		barcodeFormatSet->barcodeFormatIds_2 = 0;
		break;
	case 22:
		barcodeFormatSet->barcodeFormatIds = 0;
		barcodeFormatSet->barcodeFormatIds_2 = BF2_POSTALCODE;
		break;
	case 23:
		barcodeFormatSet->barcodeFormatIds = 0;
		barcodeFormatSet->barcodeFormatIds_2 = BF2_DOTCODE;
		break;
	default:
		ret = -1;
		break;
	}
	return ret;
}

void ToHexString(unsigned char *pSrc, int iLen, char *pDest)
{
	const char HEXCHARS[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};

	int i;
	char *ptr = pDest;

	for (i = 0; i < iLen; ++i)
	{
		snprintf(ptr, 4, "%c%c ", HEXCHARS[(pSrc[i] & 0xF0) >> 4], HEXCHARS[(pSrc[i] & 0x0F) >> 0]);
		ptr += 3;
	}
}

bool GetImagePath(char *pImagePath)
{
	char pszBuffer[512] = {0};
	bool bExit = false;
	size_t iLen = 0;
	FILE *fp = NULL;
	while (1)
	{
		printf("\r\n>> Step 1: Input your image file's full path:\r\n");
		fgets(pszBuffer, 512, stdin);
		strtok(pszBuffer, "\n");

		iLen = strlen(pszBuffer);
		if (iLen > 0)
		{
			if (strlen(pszBuffer) == 1 && (pszBuffer[0] == 'q' || pszBuffer[0] == 'Q'))
			{
				bExit = true;
				break;
			}

			memset(pImagePath, 0, 512);
			if (pszBuffer[0] == '\'')
			{
				if (pszBuffer[iLen - 3] == '\'')
					memcpy(pImagePath, pszBuffer + 1, iLen - 4);
				else if (pszBuffer[iLen - 2] == '\'')
					memcpy(pImagePath, pszBuffer + 1, iLen - 3);
			}
			else
				memcpy(pImagePath, pszBuffer, iLen);

			fp = fopen(pImagePath, "rb");
			if (fp != NULL)
			{
				fclose(fp);
				break;
			}
		}
		printf("Please input a valid path.\r\n");
	}
	return bExit;
}

bool SetBarcodeFormat(BarcodeFormatSet *iBarcodeFormatId)
{
	char pszBuffer[512] = {0};
	bool bExit = false;
	size_t iLen = 0;
	int iIndex = 0;
	while (1)
	{
		printf("\r\n>> Step 2: Choose a number for the format(s) of your barcode image:\r\n");
		printf("   1: All\r\n");
		printf("   2: OneD\r\n");
		printf("   3: QR Code\r\n");
		printf("   4: Code 39\r\n");
		printf("   5: Code 128\r\n");
		printf("   6: Code 93\r\n");
		printf("   7: Codabar\r\n");
		printf("   8: Interleaved 2 of 5\r\n");
		printf("   9: Industrial 2 of 5\r\n");
		printf("   10: EAN-13\r\n");
		printf("   11: EAN-8\r\n");
		printf("   12: UPC-A\r\n");
		printf("   13: UPC-E\r\n");
		printf("   14: PDF417\r\n");
		printf("   15: DATAMATRIX\r\n");
		printf("   16: AZTEC\r\n");
		printf("   17: Code 39 Extended\r\n");
		printf("   18: Maxicode\r\n");
		printf("   19: GS1 Databar\r\n");
		printf("   20: PatchCode\r\n");
		printf("   21: GS1 Composite\r\n");
		printf("   22: Postal  Code\r\n");
		printf("   23: DotCode\r\n");

		fgets(pszBuffer, 512, stdin);
		strtok(pszBuffer, "\n");

		iLen = strlen(pszBuffer);
		if (iLen > 0)
		{

			if (strlen(pszBuffer) == 1 && (pszBuffer[0] == 'q' || pszBuffer[0] == 'Q'))
			{
				bExit = true;
				break;
			}

			iIndex = atoi(pszBuffer);
			int ret = GetBarcodeFormatId(iIndex, iBarcodeFormatId);
			if (ret != -1)
				break;
		}

		if (bExit)
			break;

		printf("Please choose a valid number. \r\n");
	}
	return bExit;
}

int main(int argc, const char *argv[])
{
	const char *pszTemplateName = NULL;
	BarcodeFormatSet iBarcodeFormatId = {0, 0};
	char pszBuffer[512] = {0};
	char pszImageFile[512] = {0};
	// char *pszImageFile = "D:/code/opencv-cpp-barcode/images/shop-floor-efficiency-02sm.jpg";
	int iIndex = 0;
	int iRet = 0;
	char *pszTemp = NULL;
	char *pszTemp1 = NULL;
	unsigned long ullTimeBegin = 0;
	unsigned long ullTimeEnd = 0;

	size_t iLen = 0;
	FILE *fp = NULL;
	bool bExit = false;
	char szErrorMsg[256];
	PublicRuntimeSettings runtimeSettings;

	int maxWidth = 800, maxHeight = 800, padding = 5;

	printf("*************************************************\r\n");
	printf("Welcome to Dynamsoft Barcode Reader Demo\r\n");
	printf("*************************************************\r\n");
	printf("Hints: Please input 'Q' or 'q' to quit the application.\r\n");

	CBarcodeReader reader;
	iRet = reader.InitLicense("LICENSE-KEY");

	while (1)
	{
		double hScale = 1.0, wScale = 1.0;

		bExit = GetImagePath(pszImageFile);
		if (bExit)
			break;

		bExit = SetBarcodeFormat(&iBarcodeFormatId);
		if (bExit)
			break;

		// Best coverage settings
		//  reader.InitRuntimeSettingsWithString("{\"ImageParameter\":{\"Name\":\"BestCoverage\",\"DeblurLevel\":9,\"ExpectedBarcodesCount\":512,\"ScaleDownThreshold\":100000,\"TerminatePhase\":\"TP_BARCODE_LOCALIZED\",\"LocalizationModes\":[{\"Mode\":\"LM_CONNECTED_BLOCKS\"},{\"Mode\":\"LM_SCAN_DIRECTLY\"},{\"Mode\":\"LM_STATISTICS\"},{\"Mode\":\"LM_LINES\"},{\"Mode\":\"LM_STATISTICS_MARKS\"}],\"GrayscaleTransformationModes\":[{\"Mode\":\"GTM_ORIGINAL\"},{\"Mode\":\"GTM_INVERTED\"}],\"Timeout\": 1000}}}", CM_OVERWRITE, szErrorMsg, 256);
		//  https://www.dynamsoft.com/barcode-reader/parameters/scenario-settings/terminate.html
		//  reader.InitRuntimeSettingsWithString("{\"ImageParameter\":{\"Name\":\"BestCoverage\",\"DeblurLevel\":9,\"ExpectedBarcodesCount\":512,\"ScaleDownThreshold\":100000,\"LocalizationModes\":[{\"Mode\":\"LM_CONNECTED_BLOCKS\"},{\"Mode\":\"LM_SCAN_DIRECTLY\"},{\"Mode\":\"LM_STATISTICS\"},{\"Mode\":\"LM_LINES\"},{\"Mode\":\"LM_STATISTICS_MARKS\"}],\"GrayscaleTransformationModes\":[{\"Mode\":\"GTM_ORIGINAL\"},{\"Mode\":\"GTM_INVERTED\"}],\"Timeout\": 100000}}}", CM_OVERWRITE, szErrorMsg, 256);
		// Best speed settings
		// reader.InitRuntimeSettingsWithString("{\"ImageParameter\":{\"Name\":\"BestSpeed\",\"DeblurLevel\":3,\"ExpectedBarcodesCount\":512,\"LocalizationModes\":[{\"Mode\":\"LM_SCAN_DIRECTLY\"}],\"TextFilterModes\":[{\"MinImageDimension\":262144,\"Mode\":\"TFM_GENERAL_CONTOUR\"}]}}",CM_OVERWRITE,szErrorMsg,256);
		// Balance settings
		//  reader.InitRuntimeSettingsWithString("{\"ImageParameter\":{\"Name\":\"Balance\",\"DeblurLevel\":5,\"ExpectedBarcodesCount\":512,\"LocalizationModes\":[{\"Mode\":\"LM_CONNECTED_BLOCKS\"},{\"Mode\":\"LM_STATISTICS\"}], \"Timeout\": 100000}}",CM_OVERWRITE,szErrorMsg,256);

		reader.GetRuntimeSettings(&runtimeSettings);
		runtimeSettings.barcodeFormatIds = iBarcodeFormatId.barcodeFormatIds;
		runtimeSettings.barcodeFormatIds_2 = iBarcodeFormatId.barcodeFormatIds_2;
		iRet = reader.UpdateRuntimeSettings(&runtimeSettings, szErrorMsg, 256);
		if (iRet != DBR_OK)
		{
			printf("Error code: %d. Error message: %s\n", iRet, szErrorMsg);
			return -1;
		}

		Mat img = imread(pszImageFile);
		int imgHeight = img.rows, imgWidth = img.cols;
		int thickness = 2;
		Scalar color(0, 255, 0);

		if (imgHeight > maxHeight)
		{
			hScale = imgHeight * 1.0 / maxHeight;
			thickness = 6;
		}

		if (imgWidth > maxWidth)
		{
			wScale = imgWidth * 1.0 / maxWidth;
			thickness = 6;
		}

		ullTimeBegin = GetTimestamp();
		// iRet = reader.DecodeFile(pszImageFile, pszTemplateName);
		iRet = reader.DecodeBuffer(img.data, imgWidth, imgHeight, img.step.p[0], IPF_RGB_888, pszTemplateName);
		ullTimeEnd = GetTimestamp();

		unsigned long time = ullTimeEnd - ullTimeBegin;
		printf("\nTotal time cost: %d ms.\n\n", time);

		char *pszTemp = NULL;
		char *pszTemp1 = NULL;
		char *pszTemp2 = NULL;
		pszTemp = (char *)malloc(4096);
		if (iRet != DBR_OK && iRet != DBRERR_MAXICODE_LICENSE_INVALID && iRet != DBRERR_AZTEC_LICENSE_INVALID && iRet != DBRERR_LICENSE_EXPIRED && iRet != DBRERR_QR_LICENSE_INVALID && iRet != DBRERR_GS1_COMPOSITE_LICENSE_INVALID &&
			iRet != DBRERR_1D_LICENSE_INVALID && iRet != DBRERR_PDF417_LICENSE_INVALID && iRet != DBRERR_DATAMATRIX_LICENSE_INVALID && iRet != DBRERR_GS1_DATABAR_LICENSE_INVALID && iRet != DBRERR_PATCHCODE_LICENSE_INVALID &&
			iRet != DBRERR_POSTALCODE_LICENSE_INVALID && iRet != DBRERR_DOTCODE_LICENSE_INVALID && iRet != DBRERR_DPM_LICENSE_INVALID && iRet != DBRERR_IRT_LICENSE_INVALID)
		{
			printf("Failed to read barcode: %s\r\n", CBarcodeReader::GetErrorString(iRet));
			continue;
		}

		TextResultArray *paryResult = NULL;
		reader.GetAllTextResults(&paryResult);

		if (paryResult->resultsCount == 0)
		{
			printf("No barcode detected\n");
			CBarcodeReader::FreeTextResults(&paryResult);
			continue;
		}

		printf("Total barcode(s) found: %d. \r\n\r\n", paryResult->resultsCount);

		for (int iIndex = 0; iIndex < paryResult->resultsCount; iIndex++)
		{
			printf("Barcode %d:\r\n", iIndex + 1);
			if (paryResult->results[iIndex]->barcodeFormat != 0)
			{
				printf("    Type: %s\r\n", paryResult->results[iIndex]->barcodeFormatString);
			}
			else
			{
				printf("    Type: %s\r\n", paryResult->results[iIndex]->barcodeFormatString_2);
			}

			printf("    Value: %s\r\n", paryResult->results[iIndex]->barcodeText);

			TextResult *barcode = paryResult->results[iIndex];
			int x1 = barcode->localizationResult->x1;
			int y1 = barcode->localizationResult->y1;
			int minX = x1, minY = y1;
			int x2 = barcode->localizationResult->x2;
			int y2 = barcode->localizationResult->y2;
			minX = minX < x2 ? minX : x2;
			minY = minY < y2 ? minY : y2;
			int x3 = barcode->localizationResult->x3;
			int y3 = barcode->localizationResult->y3;
			minX = minX < x3 ? minX : x3;
			minY = minY < y3 ? minY : y3;
			int x4 = barcode->localizationResult->x4;
			int y4 = barcode->localizationResult->y4;
			minX = minX < x4 ? minX : x4;
			minY = minY < y4 ? minY : y4;

			line(img, Point(x1, y1), Point(x2, y2), color, thickness);
			line(img, Point(x2, y2), Point(x3, y3), color, thickness);
			line(img, Point(x3, y3), Point(x4, y4), color, thickness);
			line(img, Point(x4, y4), Point(x1, y1), color, thickness);

			putText(img, barcode->barcodeText, Point(minX, minY - 10), FONT_HERSHEY_COMPLEX, 1, Scalar(255, 0, 0),
					1, LINE_AA);
		}

		free(pszTemp);
		CBarcodeReader::FreeTextResults(&paryResult);

		if (hScale >= wScale && hScale > 1)
		{
			Mat newImage;
			resize(img, newImage, Size(int(imgWidth / hScale), int(imgHeight / hScale)));
			imshow("BarcodeReader", newImage);
		}
		else if (hScale <= wScale && wScale > 1)
		{
			Mat newImage;
			resize(img, newImage, Size(int(imgWidth / wScale), int(imgHeight / wScale)));
			imshow("BarcodeReader", newImage);
		}
		else
		{
			imshow("BarcodeReader", img);
		}

		waitKey(0);
		destroyAllWindows();
	}

	return 0;
}