From: Jason Rumney <jasonr@gnu.org>
Date: Mon, 28 Jul 2008 18:31:26 +0000 (+0000)
Subject: (w32_enable_unicode_output, cleartype_active): Remove
X-Git-Tag: emacs-pretest-23.0.90~3839
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=d1f535d29f1786fd4ab2cd2dbf06838cc9eee496;p=emacs.git

(w32_enable_unicode_output, cleartype_active): Remove
obsolete display options.
(x_draw_glyph_string_background): Don't use old cleartype_active
workaround.
(w32_initialize): Remove cleartype_active initialization.
(syms_of_w32term): Remove w32_enable_unicode_output initialization.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index bde16b646a8..93881e64e37 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,12 @@
+2008-07-28  Jason Rumney  <jasonr@gnu.org>
+
+        * w32term.c: (w32_enable_unicode_output, cleartype_active): Remove
+        obsolete display options.
+        (x_draw_glyph_string_background): Don't use old cleartype_active
+        workaround.
+        (w32_initialize): Remove cleartype_active initialization.
+        (syms_of_w32term): Remove w32_enable_unicode_output initialization.
+
 2008-07-28  Andreas Schwab  <schwab@suse.de>
 
 	* lisp.h (init_weak_hash_tables, syms_of_font)
diff --git a/src/w32term.c b/src/w32term.c
index 4133229e9fd..26473cfdd4a 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -86,8 +86,7 @@ static int any_help_event_p;
 /* Last window where we saw the mouse.  Used by mouse-autoselect-window.  */
 static Lisp_Object last_window;
 
-/* Non-zero means make use of UNDERLINE_POSITION font properties.
-   (Not yet supported, see TODO in x_draw_glyph_string.)  */
+/* Non-zero means make use of UNDERLINE_POSITION font properties.  */
 int x_use_underline_position_properties;
 
 /* Non-zero means to draw the underline at the same place as the descent line.  */
@@ -168,14 +167,6 @@ int w32_system_caret_x;
 int w32_system_caret_y;
 int w32_use_visible_system_caret;
 
-/* Flag to enable Unicode output in case users wish to use programs
-   like Twinbridge on '95 rather than installed system level support
-   for Far East languages.  */
-int w32_enable_unicode_output;
-
-/* Flag to enable Cleartype hack for font metrics.  */
-static int cleartype_active;
-
 DWORD dwWindowsThreadId = 0;
 HANDLE hWindowsThread = NULL;
 DWORD dwMainThreadId = 0;
@@ -1274,7 +1265,6 @@ x_draw_glyph_string_background (s, force_p)
         if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width
 	       || s->font_not_found_p
 	       || s->extends_to_end_of_line_p
-	       || cleartype_active
 	       || force_p)
 	{
 	  x_clear_glyph_string_rect (s, s->x, s->y + box_line_width,
@@ -6346,9 +6336,6 @@ w32_initialize ()
 
   /* Dynamically link to optional system components.  */
   {
-    UINT smoothing_type;
-    BOOL smoothing_enabled;
-
     HANDLE user_lib = LoadLibrary ("user32.dll");
 
 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
@@ -6366,28 +6353,6 @@ w32_initialize ()
        effectively form the border of the main scroll bar range.  */
     vertical_scroll_bar_top_border = vertical_scroll_bar_bottom_border
       = GetSystemMetrics (SM_CYVSCROLL);
-
-    /* Constants that are not always defined by the system headers
-       since they only exist on certain versions of Windows.  */
-#ifndef SPI_GETFONTSMOOTHING
-#define SPI_GETFONTSMOOTHING 0x4A
-#endif
-#ifndef SPI_GETFONTSMOOTHINGTYPE
-#define SPI_GETFONTSMOOTHINGTYPE 0x0200A
-#endif
-#ifndef FE_FONTSMOOTHINGCLEARTYPE
-#define FE_FONTSMOOTHINGCLEARTYPE 0x2
-#endif
-
-    /* Determine if Cleartype is in use.  Used to enable a hack in
-       the char metric calculations which adds extra pixels to
-       compensate for the "sub-pixels" that are not counted by the
-       system APIs. */
-    cleartype_active =
-      SystemParametersInfo (SPI_GETFONTSMOOTHING, 0, &smoothing_enabled, 0)
-      && smoothing_enabled
-      && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE, 0, &smoothing_type, 0)
-      && smoothing_type == FE_FONTSMOOTHINGCLEARTYPE;
   }
 }
 
@@ -6434,15 +6399,6 @@ When nil, the right-alt and left-ctrl key combination is
 interpreted normally.  */);
   Vw32_recognize_altgr = Qt;
 
-  DEFVAR_BOOL ("w32-enable-unicode-output",
-               &w32_enable_unicode_output,
-               doc: /* Enable the use of Unicode for text output if non-nil.
-Unicode output may prevent some third party applications for displaying
-Far-East Languages on Windows 95/98 from working properly.
-NT uses Unicode internally anyway, so this flag will probably have no
-effect on NT machines.  */);
-  w32_enable_unicode_output = 1;
-
   DEFVAR_BOOL ("w32-use-visible-system-caret",
 	       &w32_use_visible_system_caret,
 	       doc: /* Flag to make the system caret visible.