Implements backgrounds and tests.

sbf-cpp/Backgrounds.cpp

@@ -0,0 +1,19 @@
+#include "Backgrounds.h"
+#include <string>
+#include <vector>
+
+namespace SBF {
+std::string GetBackgroundLabel(int backgroundId) {
+    if (backgroundId > 0 && backgroundId <= kBackgroundsCount) {
+        return kBackgroundLabels[backgroundId];
+    }
+    return "";
+}
+
+void FillBackgroundLabels(std::vector<std::string>& labels) {
+    labels.clear();
+    for (int id = 1; id <= kBackgroundsCount; id++) {
+        labels.push_back(kBackgroundLabels[id]);
+    }
+}
+} // End namespace SBF