ensured building on ubuntu 18.04

adjustpicturedialog.cpp

@@ -5,7 +5,7 @@
 #include <opencv2/imgproc.hpp>
 #include <string>
 #include <opencv2/core/mat.hpp>
-#include <QColorTransform>
+//#include <QColorTransform>
 #include <QFileDialog>
 #include <QMessageBox>
 #include <zbar.h>
@@ -53,7 +53,6 @@ std::string AdjustPictureDialog::decode() {
 
     zbar::ImageScanner scanner;
     scanner.set_config(zbar::ZBAR_QRCODE, zbar::ZBAR_CFG_ENABLE, 1);
-    scanner.set_config(zbar::ZBAR_QRCODE, zbar::ZBAR_CFG_TEST_INVERTED, 1);
 
     cv::Mat imGray;
     cv::cvtColor(im, imGray, cv::COLOR_BGR2GRAY);