[layers] Sped up the scrolling/adjusting of single layers. Speed is no longer relative to the number of visible layers. Pulkomandy, your idea of depth buffer was genius.

git-svn-id: svn://pulkomandy.tk/GrafX2/branches/layers@1047 416bcca6-2ee7-4201-b75f-2eb2f807beb1

operatio.c

@@ -3975,7 +3975,8 @@ void Scroll_12_5(void)
     {
       // One layer at once
       Scroll_picture(Main_backups->Pages->Next->Image[Main_current_layer], Main_backups->Pages->Image[Main_current_layer], x_offset, y_offset);
-      Redraw_layered_image();
+      //Redraw_layered_image();
+      Redraw_current_layer();
     }
 
     Display_all_screen();