Write result to file

src/apps/main.cpp

@@ -80,6 +80,7 @@ start_texture_merge_pie(std::string src_fn,
         std::cout << "Texture_processing::texturemerge: [ERROR] Texture copy and paste failed." << std::endl;
     }
     else {std::cout << "Seamless clone complete!" << std::endl;}
+    cv::imwrite("result_merged.jpg", dst);
 
 }