Files
c_progarm/sdl/hello_sdl.c
2023-11-22 18:02:53 +08:00

63 lines
1.3 KiB
C

//使用 SDL 和 标准 IO
#include <C:\MinGW\include\sdl2\SDL.h>
#include <stdio.h>
//定义屏幕尺寸常量
const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;
int main( int argc, char* args[] )
{
//将要渲染的窗口
SDL_Window* window = NULL;
//窗口含有的surface
SDL_Surface* screenSurface = NULL;
//初始化SDL
if( SDL_Init( SDL_INIT_VIDEO ) < 0 )
{
printf( "SDL could not initialize! SDL_Error: %s\n", SDL_GetError() );
}
else
{
//创建 window
window = SDL_CreateWindow( "SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN );
if( window == NULL )
{
printf( "Window could not be created! SDL_Error: %s\n", SDL_GetError() );
}
else
{
//获取 window surface
screenSurface = SDL_GetWindowSurface( window );
//用白色填充surface
SDL_FillRect( screenSurface, NULL, SDL_MapRGB( screenSurface->format, 0xFF, 0xFF, 0xFF ) );
//更新surface
SDL_UpdateWindowSurface( window );
//延迟两秒
SDL_Delay( 2000 );
}
}
//销毁 window
SDL_DestroyWindow( window );
//退出 SDL subsystems
SDL_Quit();
return 0;}