SDL初始化和创建窗口

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//初始化SDL2和创建一个窗口，并且将屏幕绘制成大红色#include <iostream>extern "C"{#include <SDL.h>}int main(int argc, char* argv[]){//窗口SDL_Window *windowScreen = NULL;//窗口表面SDL_Surface *windowSurface = NULL;//初始化SDL2if (SDL_Init(SDL_INIT_VIDEO) == -1){std::cout << SDL_GetError() << std::endl;return -1;}/* 创建窗口*第一个参数是窗口的标题*第二、三个参数指明了窗口的位置信息*第四、五个参数是窗口的大小（长、宽）*第六个参数是窗口的状态*SDL_WINDOW_SHOWN--显示窗口*SDL_WINDOW_BORDERLESS--显示无边框窗口*/windowScreen = SDL_CreateWindow("title", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 240, 400, SDL_WINDOW_SHOWN | SDL_WINDOW_BORDERLESS);if (!windowScreen){std::cout << SDL_GetError() << std::endl;return -1;}// 获取窗口的表面windowSurface = SDL_GetWindowSurface(windowScreen);if (!windowSurface){std::cout << SDL_GetError() << std::endl;return -1;}/*填充窗口*第一个参数是填充的目标表面*第二个是填充的矩形区域(NULL则表示默认全部填充)*第三个参数是填充矩形用的颜色*/SDL_FillRect(windowSurface, NULL, SDL_MapRGB(windowSurface->format, 0xFF, 0x00, 0x00));//将窗口表面加载到窗口SDL_UpdateWindowSurface(windowScreen);//暂停窗口SDL_Delay(2000);SDL_FreeSurface(windowSurface);SDL_DestroyWindow(windowScreen);SDL_Quit();return 0;}/*配置1.VC++目录 include lib dll2.链接器->输入->附加依赖项 SDL2.lib SDL2main.lib3.链接器->系统->子系统  窗口 (/SUBSYSTEM:WINDOWS)  控制台 (/SUBSYSTEM:CONSOLE)4.C++->代码生成->运行库 /MD编译cl /MD /c c.cpp链接link /SUBSYSTEM:CONSOLE c.obj SDL2.lib SDL2main.lib*/
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