updated makefile

include/bild.hpp

@@ -0,0 +1,77 @@
+#pragma once
+
+#include <vector>
+#include <string>
+#include <cstdint>
+#include <fstream>
+
+/**
+ * @brief Stores PGM image data
+ * 
+ * This class can read and write PGM images, perform smoothing and 
+ * edge detection on them and display them in the console as ASCII art
+ */
+class Bild
+{
+public:
+    /**
+     * @brief Creates a new empty picture.
+     * 
+     * The created picture has no dimensions and contains no pixel data.
+     */
+    Bild() = default;
+
+    /**
+     * @brief Load an image
+     * 
+     * Reads a file containing image data and populates the pixel array
+     * 
+     * @param file (Valid) filestream containing image data
+     * @param image The image object to store the data in
+     * @return The modified filestream
+     */
+    friend std::ifstream& operator>>(std::ifstream& file, Bild& image);
+
+    /**
+     * @brief Save an image
+     * 
+     * Writes the stored image data into a file, overwriting any contents in it
+     * 
+     * @param file (Valid) filestream to store the image in
+     * @param image The image object to get the data from
+     * @return The modified filestream
+     */
+    friend std::ofstream& operator<<(std::ofstream& file, const Bild& image);
+
+    /**
+     * @brief Renders the image to the console
+     * 
+     * Draws the image in the console using ascii characters.
+     * Das war zwar in der Aufgabe nicht verlangt aber ich wollt schon gern die Bilder sehen
+     * 
+     * @param os Output stream to draw to
+     * @param image Image to draw
+     * @return The modified output stream
+     */
+    friend std::ostream& operator<<(std::ostream& os, const Bild& image);
+
+    /**
+     * @brief Applies smoothing to an image, effectively blurring it
+     * 
+     * @return The blurred image 
+     */
+    Bild Geglaettet() const;
+
+    /**
+     * @brief Performs edge detection on the image
+     * 
+     * @return An image with only the edges found in the original 
+     */
+    Bild Kantenbild() const;
+
+private:
+    uint32_t width {};
+    uint32_t height {};
+    std::string description;
+    std::vector<uint8_t> pixels;
+};