參考資訊:
https://wiki.libsdl.org/FrontPage
main.c
#include <stdio.h> #include <stdlib.h> #include <SDL.h> #include <SDL2_gfxPrimitives.h> 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 | SDL_INIT_AUDIO); 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); Uint32 start = SDL_GetTicks(); SDL_Delay(1000); Uint32 end = SDL_GetTicks(); char buf[255] = {0}; sprintf(buf, "strat:%d, end:%d", start, end); SDL_RenderClear(renderer); stringRGBA(renderer, 100, 100, buf, 0xff, 0xff, 0xff, 0xff); SDL_RenderPresent(renderer); SDL_Delay(3000); SDL_DestroyRenderer(renderer); SDL_DestroyWindow(window); SDL_Quit(); return 0; }
編譯、執行
$ gcc main.c -o main -lSDL2 -lSDL2_gfx -I/usr/include/SDL2 $ ./main