Color cycling based on the ranges in Grad menu. A speed slider has appeared. The speed data (and all cycling) is loaded from IFF/ILBM images from Deluxe Paint, Amiga and DOS versions. The data is not saved at the moment, so you shouldn't re-save cycling images

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1573 416bcca6-2ee7-4201-b75f-2eb2f807beb1

src/engine.c

@@ -1572,6 +1572,7 @@ void Open_window(word width,word height, const char * title)
     Cursor_shape=CURSOR_SHAPE_ARROW;
     Paintbrush_hidden_before_window=Paintbrush_hidden;
     Paintbrush_hidden=1;
+    Allow_colorcycling=0;
   }
 
   // Initialisation des listes de boutons de la fenêtre
@@ -1661,6 +1662,7 @@ void Close_window(void)
     
     Display_all_screen();
     Display_menu();
+    Allow_colorcycling=1;
   }
 
   Key=0;