Ticket #7996: screenshot.diff

scummvm/sdl.cpp

@@ -196 +196 @@
 
         void setup_icon();
         void kbd_mouse();
+
+        void save_screenshot();
 };
 
 void atexit_proc() {
@@ -817 +819 @@
                 return 0;
         return key;
 }
-        
+
+void OSystem_SDL::save_screenshot()
+{
+        char filename[13];
+        bool can_save = false;
+        int i;
+
+        for (i = 0; i <= 9999; i++) {
+                FILE *tmpfile;
+
+                sprintf(filename, "scr%04d.bmp", i);
+                tmpfile = fopen(filename, "rb");
+                if (tmpfile == NULL) {
+                        can_save = true;
+                        break;
+                }
+                fclose(tmpfile);
+        }
+
+        if (can_save)
+        {
+                if (SDL_SaveBMP(sdl_hwscreen, filename) == 0)
+                        debug(1, "Screenshot saved as '%s'", filename);
+                else
+                        debug(1, "Could not save screenshot: %s", SDL_GetError());
+        } else
+                warning("Could not make filename for screenshot!");
+}
+
 bool OSystem_SDL::poll_event(Event *event) {
         SDL_Event ev;
         kbd_mouse();
@@ -835 +865 @@
                                 event->kbd.flags = b;
         
                                 /* internal keypress? */                                
+                                if (b == KBD_ALT && ev.key.keysym.sym=='s') {
+                                        save_screenshot();
+                                        break;
+                                }
+
                                 if (b == KBD_ALT && ev.key.keysym.sym==SDLK_RETURN) {
                                         property(PROP_TOGGLE_FULLSCREEN, NULL);
                                         break;