參考資訊:
https://wiki.libsdl.org/FrontPage
main.c
#include <stdio.h> #include <stdlib.h> #include <SDL.h> #include <SDL_timer.h> Uint32 mytimer(Uint32 interval, void *param) { printf("%s: 0x%x\n", __func__, param); return 0; } int main(int argc, char **argv) { const int w = 320; const int h = 240; const int bpp = 16; SDL_Window *window = NULL; SDL_Renderer *renderer = NULL; SDL_Init(SDL_INIT_VIDEO); window = SDL_CreateWindow("main", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, w, h, SDL_WINDOW_SHOWN); renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC); SDL_RenderClear(renderer); SDL_RenderPresent(renderer); SDL_TimerID myid = SDL_AddTimer(1000, mytimer, (void*)0xdeadbeef); SDL_Delay(3000); SDL_RemoveTimer(myid); SDL_DestroyRenderer(renderer); SDL_DestroyWindow(window); SDL_Quit(); return 0; }
編譯、執行
$ gcc main.c -o main -lSDL2 -I/usr/include/SDL2 $ ./main mytimer: 0xdeadbeef