參考資訊:
https://www.libsdl.org/release/SDL-1.2.15/docs/html/index.html
https://www.cs.cmu.edu/afs/cs/user/meogata/Scramble/W%20i%20i/SDL_gfx/Docs/
main.c
#include <stdio.h> #include <stdlib.h> #include <SDL.h> #include <SDL_gfxPrimitives.h> int main(int argc, char **argv) { SDL_Surface *screen = NULL; SDL_Init(SDL_INIT_VIDEO); screen = SDL_SetVideoMode(320, 240, 16, SDL_HWSURFACE); trigonRGBA(screen, 100, 10, 200, 60, 100, 60, 0xff, 0x00, 0x00, 0xff); aatrigonRGBA(screen, 100, 80, 200, 130, 100, 130, 0x00, 0xff, 0x00, 0xff); filledTrigonRGBA(screen, 100, 150, 200, 200, 100, 200, 0xff, 0xff, 0x00, 0xff); SDL_Flip(screen); SDL_Delay(3000); SDL_Quit(); return 0; }
編譯、執行
$ gcc main.c -o main -lSDL -lSDL_gfx -I/usr/include/SDL $ ./main