Add file save feature

OpenCV_test/test2_colorconvert/main.cpp

@@ -4,9 +4,11 @@
 using namespace cv;
 
 int main(int argc, char ** argv){
-    std::string filename;
+    std::string filename, save_images;
 
     std::cin >> filename;
+    std::cout << "Save gray and hsv images? (Y/N)";
+    std::cin >> save_images;
 
     // Open the image
     Mat image, image_hsv, image_gray;
@@ -26,6 +28,10 @@ int main(int argc, char ** argv){
     namedWindow("Gray Image", WINDOW_FREERATIO);
     imshow("Gray Image", image_gray);
 
+    // Write the images
+    imwrite("image_gray.png", image_gray);
+    imwrite("image_hsv.png", image_hsv);
+
     waitKey(0);
     destroyAllWindows();
 

OpenCV_test/test3_imageobject/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "C_Cpp.default.configurationProvider": "ms-vscode.cmake-tools"
+}

OpenCV_test/test3_imageobject/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.0.0)
+project(OpenCV_test3 VERSION 1.0.0)
+
+#Find the opencv package
+find_package(OpenCV REQUIRED)
+
+#include directories for opencv
+include_directories(${OpenCV_INCLUDE_DIRS})
+
+add_executable(${PROJECT_NAME} main.cpp)
+
+#Add command to generate .gitignore
+add_custom_command(TARGET ${PROJECT_NAME} 
+                   COMMAND echo \"*\" > ${CMAKE_BINARY_DIR}/.gitignore
+                   COMMAND echo \"**/*\" > ${CMAKE_BINARY_DIR}/.hgignore)
+
+#Add OpenCV Libraries
+target_link_libraries(${PROJECT_NAME} ${OpenCV_LIBS})

OpenCV_test/test3_imageobject/main.cpp

@@ -0,0 +1,39 @@
+#include <opencv2/opencv.hpp>
+#include <iostream>
+
+using namespace cv;
+
+int main(int argc, char ** argv){
+    std::string filename, save_images;
+
+    std::cin >> filename;
+    std::cout << "Save gray and hsv images? (Y/N)";
+    std::cin >> save_images;
+
+    // Open the image
+    Mat image, image_hsv, image_gray;
+    image = imread(filename, IMREAD_COLOR);
+    if(image.empty()){
+        std::cout << "failed to open the image";
+        return -1;
+    }
+    cvtColor(image, image_hsv, COLOR_BGR2HSV);
+    cvtColor(image, image_gray, COLOR_BGR2GRAY);
+
+    // Show the converted images
+    namedWindow("Original Image", WINDOW_FREERATIO);
+    imshow("Original Image", image);
+    namedWindow("HSV Image", WINDOW_FREERATIO);
+    imshow("HSV Image", image_hsv);
+    namedWindow("Gray Image", WINDOW_FREERATIO);
+    imshow("Gray Image", image_gray);
+
+    // Write the images
+    imwrite("image_gray.png", image_gray);
+    imwrite("image_hsv.png", image_hsv);
+
+    waitKey(0);
+    destroyAllWindows();
+
+    return 0;
+}