add source code

CMakeLists.txt

@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(sdl-window LANGUAGES C)
+
+add_executable(sdl-window main.c)
+# 由于我们把SDL2安装在了系统目录中
+# 所以这里可以直接在系统目录中寻找
+find_package(SDL2 REQUIRED)
+
+include(GNUInstallDirs)
+install(TARGETS sdl-window
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+
+target_link_libraries(${PROJECT_NAME} PRIVATE SDL2::SDL2)

main.c

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+#include <SDL2/SDL_error.h>
+#include <SDL2/SDL_timer.h>
+#include <SDL2/SDL_video.h>
+#include <stdio.h>
+#include <SDL2/SDL.h>
+
+#undef main
+int main()
+{
+    SDL_Window *window = NULL; // SDL窗口指针
+    SDL_Init(SDL_INIT_VIDEO);
+    
+    window = SDL_CreateWindow("Hello SDL Window", 
+        SDL_WINDOWPOS_UNDEFINED, // 不定义，让系统决定
+        SDL_WINDOWPOS_UNDEFINED, 
+        640, // 宽
+        480, // 高
+        SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
+    
+    if (!window) {
+        printf("SDL_CreateWindow() failed, err: %s\n", SDL_GetError());
+        return -1;
+    }
+    
+    SDL_Delay(10000); // 延迟10000ms
+    
+    SDL_DestroyWindow(window); // 销毁窗口
+    
+    SDL_Quit(); // 释放资源
+    
+    return 0;
+}