fixed some functions' arguments, inlined some other simple functions

src/methods.cc

@@ -103,35 +103,6 @@ ImageManipulator::ImageManipulator(cv::Mat const& t_origin_image,
 	}
 }
 
-
-// operators //////////////////////////////////////////////////////////////////
-
-/**
- *  Copy assignment operator, will copy all of the input’s members except for
- *  its mutex, a new one will be generated.
- *
- *  \param[in] other Element to copy
- *  \return ImageManipulator
- */
-[[nodiscard]] auto ImageManipulator::operator=(const ImageManipulator& other)
-    -> ImageManipulator
-{
-	return ImageManipulator(other);
-}
-
-/**
- *  Move assignment operator, will move all of the input’s members except for
- *  its mutex, a new one will be generated.
- *
- *  \param[in] other Element to move
- *  \return ImageManipulator
- */
-[[nodiscard]] auto ImageManipulator::operator=(
-    ImageManipulator&& other) noexcept -> ImageManipulator
-{
-	return ImageManipulator{std::move(other)};
-}
-
 // public methods /////////////////////////////////////////////////////////////
 
 /**
@@ -180,15 +151,6 @@ void ImageManipulator::exec_method(int const t_nb_method,
 	}
 }
 
-/**
- *  Write the generated image as a file to the specified path stored in the
- *  object
- */
-void ImageManipulator::write_file() const
-{
-	cv::imwrite(output_path_, generated_image_);
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 //                                  Private                                  //
 ///////////////////////////////////////////////////////////////////////////////
@@ -345,7 +307,7 @@ void ImageManipulator::get_color_set()
  *  colors_, then resumes the other threads. Helper function for \ref
  *  get_color_set
  */
-void ImageManipulator::threaded_get_color(int t_h)
+void ImageManipulator::threaded_get_color(int const t_h)
 {
 	if (t_h > reference_.size().height) {
 		return;
@@ -412,26 +374,24 @@ void ImageManipulator::update_gen_image(cv::Mat const& t_img,
  *  \param t_tiles Collection of tiles to be merged together
  */
 void ImageManipulator::merge_tiles(
-    std::vector<std::vector<ImageManipulator>> t_tiles)
+    std::vector<std::vector<ImageManipulator>> const& t_tiles)
 {
 	std::vector<cv::Mat> columns{};
-	for (auto const& col : t_tiles) {
+	std::for_each(t_tiles.begin(), t_tiles.end(), [&columns](auto const& col) {
 		std::vector<cv::Mat> column_arr{};
 		cv::Mat column_img{};
-		for (auto const& tile : col) {
+		std::for_each(col.begin(), col.end(), [&column_arr](auto const& tile) {
 			column_arr.push_back(tile.get_generated_image());
-		}
+		});
 		vconcat(column_arr, column_img);
 		columns.push_back(std::move(column_img));
-	}
+	});
 	hconcat(columns, generated_image_);
 }
 
 void ImageManipulator::method1()
 {
 	spdlog::debug("Beginning method1, initial difference: {}", diff_);
-	spdlog::debug("nb_total_iter: {}, nb_remaining_iter: {}", total_iterations_,
-	              remaining_iter_);
 	while (remaining_iter_ > 0 && diff_ > 0.0) {
 		auto temp_image = generated_image_.clone();
 		auto const [rand_x, rand_y, size] = get_square_values();