Add DesignQR embed logo image

QRcode generate MV_BARCODE_GENERATE_ATTR_EMBED_IMG_PATH and it's size
will be 1/5 of output image. This will 4% of total image size so ok with
qrcode ecc recovery.

Change-Id: I9bf902cada3d7a03d7dff424b676bb7344968b2a
Signed-off-by: Kwanghoon Son <k.son@samsung.com>

1 files changed, 20 insertions, 6 deletions

diff --git a/mv_barcode/barcode_generator/src/BarcodeGenerator.cpp b/mv_barcode/barcode_generator/src/BarcodeGenerator.cpp
index 9b1e757a..28fd094d 100644
--- a/mv_barcode/barcode_generator/src/BarcodeGenerator.cpp
+++ b/mv_barcode/barcode_generator/src/BarcodeGenerator.cpp
@@ -149,8 +149,8 @@ int createBarcode(const std::string &message, BarcodeType type, BarcodeQREncodin
 	return error;
 }
 
-int writeBufferToImageFile(zint_symbol *symbol, const std::string &imageFileName, BarcodeImageFormat imageFormat,
-						   const int imageWidth, const int imageHeight)
+static int __write_buffer_to_img(zint_symbol *symbol, const std::string &imageFileName, BarcodeImageFormat imageFormat,
+								 const int imageWidth, const int imageHeight, const std::string &logoPath)
 {
 	if (imageWidth <= 0 || imageHeight <= 0) {
 		LOGE("Barcode image size is invalid: %i x %i. Terminate write to "
@@ -204,6 +204,12 @@ int writeBufferToImageFile(zint_symbol *symbol, const std::string &imageFileName
 	cv::Mat image(symbol->bitmap_height, symbol->bitmap_width, CV_8UC3, symbol->bitmap);
 	cv::resize(image, image, cv::Size(imageWidth, imageHeight), 0, 0, cv::INTER_AREA);
 
+	if (!logoPath.empty()) {
+		cv::Mat logo = cv::imread(logoPath.c_str(), cv::IMREAD_COLOR);
+		cv::resize(logo, logo, cv::Size(imageWidth / 5, imageHeight / 5), 0, 0, cv::INTER_AREA);
+		logo.copyTo(image(cv::Rect(2 * logo.cols, 2 * logo.rows, logo.cols, logo.rows)));
+	}
+
 	error = cv::imwrite(resultFilePath, image, compressionParams) ? BARCODE_ERROR_NONE : BARCODE_ERROR_INVALID_DATA;
 
 	if (BARCODE_ERROR_NONE != error) {
@@ -230,23 +236,31 @@ int BarcodeGenerator::generateBarcodeToImage(const std::string &imageFileName, B
 		return BARCODE_ERROR_ENCODING_PROBLEM;
 	}
 
+	std::string logoPath;
 	int error = createBarcode(message, type, encodingMode, correctionLevel, qrVersion, showText, fgcolour, bgcolour,
 							  symbol, engineCfg);
 
 	if (error != BARCODE_ERROR_NONE) {
 		LOGE("Barcode creation failed, clean memory");
-		ZBarcode_Delete(symbol);
-		return error;
+		goto zbarcode_delete;
 	}
 
-	error = writeBufferToImageFile(symbol, imageFileName, imageFormat, imageWidth, imageHeight);
+	if (engineCfg) {
+		error = engineCfg->getStringAttribute(std::string(MV_BARCODE_GENERATE_ATTR_EMBED_IMG_PATH), &logoPath);
+		if (error != BARCODE_ERROR_NONE) {
+			LOGE("getStringAttribute failed error : %d", error);
+			goto zbarcode_delete;
+		}
+	}
+
+	error = __write_buffer_to_img(symbol, imageFileName, imageFormat, imageWidth, imageHeight, logoPath);
 	if (error != BARCODE_ERROR_NONE)
 		LOGE("Barcode [%s] file write fail, clean memory", imageFileName.c_str());
 	else
 		LOGI("Barcode image [%s] is successfully generated, clean memory", imageFileName.c_str());
 
+zbarcode_delete:
 	ZBarcode_Delete(symbol);
-
 	return error;
 }