15-5.c

《linux应用开发技术详解》的配套代码

#include <SDL.h>
#include <SDL_image.h>
#include "SFont.h"

SDL_Surface *screen;

void Init_SDL()
{
  if ( SDL_Init( SDL_INIT_VIDEO) < 0 ) {
    fprintf(stderr,"Can't init SDL: %s\n",SDL_GetError());
    exit(1);
  }
  screen = SDL_SetVideoMode(640, 480, 16, SDL_SWSURFACE);
  if ( screen == NULL ) {
    fprintf(stderr, "Error: %s\n",SDL_GetError());
    exit(1);
  }
  atexit(SDL_Quit);
}

int main()
{
  SDL_Surface *font;
  Init_SDL();
  font=IMG_Load("font.png");
  InitFont(font);
  PutString(screen,140,200,"SFont display test");
  SDL_UpdateRect(screen,0,0,0,0);
  SDL_FreeSurface(font);
  SDL_Delay(5000);
}