使用只能指针代替裸指针

.vscode/launch.json

@@ -0,0 +1,33 @@
+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬停以查看现有属性的描述。
+    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(gdb) Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build/mp",
+            "args": ["${workspaceFolder}/img/ocean.jpg"],
+            "stopAtEntry": false,
+            "cwd": "${fileDirname}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "Set Disassembly Flavor to Intel",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": true
+                }
+            ]
+        }
+
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,79 @@
+{
+    "files.associations": {
+        "*.cpp": "cpp",
+        "cctype": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "csignal": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "any": "cpp",
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "bitset": "cpp",
+        "charconv": "cpp",
+        "chrono": "cpp",
+        "codecvt": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "condition_variable": "cpp",
+        "cstdint": "cpp",
+        "deque": "cpp",
+        "forward_list": "cpp",
+        "list": "cpp",
+        "map": "cpp",
+        "set": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "unordered_set": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "ratio": "cpp",
+        "regex": "cpp",
+        "source_location": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "fstream": "cpp",
+        "future": "cpp",
+        "initializer_list": "cpp",
+        "iomanip": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "semaphore": "cpp",
+        "span": "cpp",
+        "sstream": "cpp",
+        "stdexcept": "cpp",
+        "stop_token": "cpp",
+        "streambuf": "cpp",
+        "thread": "cpp",
+        "cinttypes": "cpp",
+        "typeinfo": "cpp",
+        "variant": "cpp",
+        "format": "cpp"
+    }
+}

.vscode/tasks.json

@@ -0,0 +1,28 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: g++ build active file",
+            "command": "/usr/bin/g++",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${file}",
+                "-o",
+                "${fileDirname}/${fileBasenameNoExtension}"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}

CMakeLists.txt

@@ -5,7 +5,7 @@ set(PROJECT_N_T "mp_test")
 
 project(${PROJECT_N} VERSION 1.0)
 
-set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 
 include_directories(${PROJECT_SOURCE_DIR}/include)

include/imageService.h

@@ -1,18 +1,19 @@
 #include <SFML/Graphics.hpp>
 #include <algorithm>
+#include <memory>
 
 class ImageService {
 private:
-    sf::Texture texture;
+    std::shared_ptr<sf::Texture> texture = std::make_shared<sf::Texture>();
 public:
     ImageService(const std::string& name){
-        texture.loadFromFile(name);
+        texture->loadFromFile(name);
     }
-    sf::Texture& GetTexture(){
+    std::shared_ptr<sf::Texture> GetTexture(){
         return texture;
     }
     float GetScale(int width, int height){
-        auto imgSize = texture.getSize();
+        auto imgSize = texture->getSize();
         return std::min(static_cast<float>(width) / imgSize.x, static_cast<float>(height) / imgSize.y);
     }
 };

include/mediaService.h

@@ -2,24 +2,26 @@
 #include <UtilTool.h>
 #include <string>
 #include <SFML/Graphics.hpp>
+#include <memory>
 
 class MediaService
 {
 private:
     ImageService *imageService = nullptr;
     MediaType type;
-    sf::Texture *texture = nullptr;
-    sf::Sprite *sprite = nullptr;
+    std::shared_ptr<sf::Texture> texture;
+    std::shared_ptr<sf::Sprite> sprite;
+    std::shared_ptr<sf::RenderWindow> window;
     int client_width = 0;
     int client_height = 0; 
 public:
     MediaService(const std::string &filename, int width, int height);
-    ~MediaService(){
-        delete texture;
-        delete sprite;
-    }
-    sf::Sprite GetSprite()
+    ~MediaService() = default;
+    std::shared_ptr<sf::Sprite> GetSprite()
     {
-        return *sprite;
+        return sprite;
     }
+    void SetWindow(std::shared_ptr<sf::RenderWindow> window);
+    void Play();
+
 };

include/thread_queue.h

@@ -0,0 +1,38 @@
+#include <queue>
+#include <mutex>
+#include <condition_variable>
+
+template <typename T>
+class ThreadQueue {
+public:
+	ThreadQueue() = default;
+	~ThreadQueue() = default;
+
+	void push(const T& value) {
+		std::lock_guard<std::mutex> lock(mutex_);
+		queue_.push(value);
+		condition_.notify_one();
+	}
+
+	T pop() {
+		std::unique_lock<std::mutex> lock(mutex_);
+		condition_.wait(lock, [this] { return !queue_.empty(); });
+		T value = queue_.front();
+		queue_.pop();
+		return value;
+	}
+
+	bool empty() const {
+		std::lock_guard<std::mutex> lock(mutex_);
+		return queue_.empty();
+	}
+
+	size_t size() const {
+		std::lock_guard<std::mutex> lock(mutex_);
+		return queue_.size();
+	}
+private:
+	std::queue<T> queue_;
+	mutable std::mutex mutex_;
+	std::condition_variable condition_;
+};

include/videoService.h

@@ -0,0 +1,11 @@
+#ifndef VIDEOSERVICE_H
+#define VIDEOSERVICE_H
+#include <SFML/Graphics.hpp>
+#include <memory>
+
+class VideoService {
+private:
+    std::shared_ptr<sf::Texture> texture;
+};
+
+#endif

main.cc

@@ -1,3 +1,4 @@
+#include <SFML/Graphics/RenderWindow.hpp>
 #include <cstdio>
 #include <SFML/System.hpp>
 #include <SFML/Graphics.hpp>
@@ -6,23 +7,31 @@
 #include "UtilTool.h"
 #include "mediaService.h"
 
+#define DEBUG 
+
 constexpr int CLIENT_WIDTH = 800;
 constexpr int CLIENT_HEIGHT = 600;
 
 
 int main(int argc, char** argv){
-	// spdlog::info("Current WorkDir Is: {}",argv[0]);
+	spdlog::info("Current WorkDir Is: {}",argv[0]);
+#ifdef DEBUG
+	argv[1] = R"(../img/ocean.jpg)";
+#else
 	if(argc != 2){
 		spdlog::error("Usage: mp filename ");
 		return 0;
 	}
+#endif
+	spdlog::info("filename: {}", argv[1]);
 	MediaService mediaService(argv[1], CLIENT_WIDTH, CLIENT_HEIGHT);
-	sf::RenderWindow window(sf::VideoMode(CLIENT_WIDTH, CLIENT_HEIGHT), "mp");
+  std::shared_ptr<sf::RenderWindow> window = std::make_shared<sf::RenderWindow>(sf::VideoMode(CLIENT_WIDTH, CLIENT_HEIGHT), "mp");
+	mediaService.SetWindow(window);
 	bool running = true;
 
 	while(running){
 		sf::Event event;
-		while(window.pollEvent(event)){
+		while(window->pollEvent(event)){
 			if(event.type == sf::Event::Closed){
 				running = false;
 			}
@@ -31,11 +40,8 @@ int main(int argc, char** argv){
 					running = false;
 				}
 			}
-
 		}
-		window.clear();
-		window.draw(mediaService.GetSprite());
-		window.display();
+		mediaService.Play();
 	}
 	return 0;
 }

src/mediaService.cc

@@ -1,7 +1,9 @@
 #include <mediaService.h>
+#include <memory>
+#include <videoService.h>
 
 MediaService::MediaService(const std::string& filename, int width, int height){
-    auto type = UtilTool::CheckFileType(filename);
+    type = UtilTool::CheckFileType(filename);
     client_width = width;
     client_height = height;
     float scale = .0f;
@@ -9,12 +11,32 @@ MediaService::MediaService(const std::string& filename, int width, int height){
     {
     case MediaType::IMAGE:
         imageService = new ImageService(filename);
-        texture = &imageService->GetTexture();
-        sprite = new sf::Sprite();
+        texture = imageService->GetTexture();
+        sprite = std::make_shared<sf::Sprite>();
         sprite->setTexture(*texture);
         scale = imageService->GetScale(client_width, client_height);
         sprite->setScale(scale, scale);
         break;
+	case MediaType::VIDEO:
+		break;
+    
+    default:
+        break;
+    }
+}
+
+void MediaService::SetWindow(std::shared_ptr<sf::RenderWindow> window){
+    this->window = window;
+}
+
+void MediaService::Play(){
+    switch (type)
+    {
+    case MediaType::IMAGE:
+        window->clear();
+        window->draw(*sprite);
+        window->display();
+        break;
     
     default:
         break;

src/videoService.cc

@@ -0,0 +1 @@
+#include "videoService.h"