QR-Code-scanner: integrate QUIRC library, implement QrDecoder, drop ZBar

src/QR-Code-scanner/CMakeLists.txt

@@ -1,4 +1,21 @@
-file(GLOB_RECURSE SRC_SOURCES *.cpp)
-file(GLOB_RECURSE SRC_HEADERS *.h)
-
+add_library(qrdecoder STATIC
+    Decoder.cpp
+)
+target_link_libraries(qrdecoder
+    PUBLIC
+        Qt5::Gui
+    PRIVATE
+        quirc
+)
 
+if(WITH_SCANNER)
+    add_library(qrscanner
+        QrCodeScanner.cpp
+        QrScanThread.cpp
+    )
+    target_link_libraries(qrscanner
+        PUBLIC
+            Qt5::Multimedia
+            qrdecoder
+    )
+endif()