Linux C 显示图片

sudo apt install gtk+-2.0

#include <gtk/gtk.h>
void destroy(void) {
  gtk_main_quit();
}
int main (int argc, char** argv) {
  GtkWidget* window;
  GtkWidget* image;
  gtk_init (&argc, &argv);
  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  image  = gtk_image_new_from_file(argv[1]);
  gtk_signal_connect(GTK_OBJECT (window), "destroy",
             GTK_SIGNAL_FUNC (destroy), NULL);
  gtk_container_add(GTK_CONTAINER (window), image);
  gtk_window_set_resizable(window, TRUE);
  gtk_widget_set_size_request(window, 800, 600);
  gtk_widget_show_all(window);
  gtk_main();
  return 0;
}

gcc -Wall img.c -o img `pkg-config --cflags gtk+-2.0` `pkg-config --libs gtk+-2.0`