Convert Free_Pixmap macro into terminal hook

* src/termhooks.h (terminal) [HAVE_WINDOW_SYSTEM]: New terminal hook
free_pixmap.

* src/image.c: Replace Free_Pixmap with free_pixmap.

* src/msdos.h (FRAME_X_DISPLAY):
* src/nsgui.h (Display):
* src/nsterm.h (FRAME_NS_DISPLAY, FRAME_X_DISPLAY, FRAME_X_SCREEN)
(FRAME_X_VISUAL):
* src/w32term.h (FRAME_X_DISPLAY): Remove unused X-compatibility
macros and typedefs.

* src/nsterm.m:
* src/w32term.c:
* src/xterm.c: Implement and set free_pixmap hook.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/xterm.c b/src/xterm.c
index bd69e6c7a82..9371d47c95e 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -12182,6 +12182,17 @@ x_check_font (struct frame *f, struct font *font)
 
 
 /***********************************************************************
+                             Image Hooks
+ ***********************************************************************/
+
+static void
+x_free_pixmap (struct frame *f, Pixmap pixmap)
+{
+  XFreePixmap (FRAME_X_DISPLAY (f), pixmap);
+}
+
+
+/***********************************************************************
                             Initialization
  ***********************************************************************/
 
@@ -13257,6 +13268,7 @@ x_create_terminal (struct x_display_info *dpyinfo)
   terminal->redeem_scroll_bar_hook = XTredeem_scroll_bar;
   terminal->judge_scroll_bars_hook = XTjudge_scroll_bars;
   terminal->get_string_resource_hook = x_get_string_resource;
+  terminal->free_pixmap = x_free_pixmap;
   terminal->delete_frame_hook = x_destroy_window;
   terminal->delete_terminal_hook = x_delete_terminal;
   /* Other hooks are NULL by default.  */