Issue #1274 - Part 4: Remove some unnecessary checks for old Windows versions.

This gets rid of deprecated GetVersionEx() calls as a bonus.

2 files changed, 4 insertions, 28 deletions

diff --git a/gfx/cairo/cairo/src/cairo-win32-font.c b/gfx/cairo/cairo/src/cairo-win32-font.c
index 5891799c9..ccdd16187 100644
--- a/gfx/cairo/cairo/src/cairo-win32-font.c
+++ b/gfx/cairo/cairo/src/cairo-win32-font.c
@@ -216,18 +216,8 @@ _compute_transform (cairo_win32_scaled_font_t *scaled_font,
 static cairo_bool_t
 _have_cleartype_quality (void)
 {
-    OSVERSIONINFO version_info;
-
-    version_info.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
-
-    if (!GetVersionEx (&version_info)) {
-	_cairo_win32_print_gdi_error ("_have_cleartype_quality");
-	return FALSE;
-    }
-
-    return (version_info.dwMajorVersion > 5 ||
-	    (version_info.dwMajorVersion == 5 &&
-	     version_info.dwMinorVersion >= 1));	/* XP or newer */
+	// All supported versions have cleartype
+	return TRUE;
 }
 
 BYTE
diff --git a/gfx/cairo/cairo/src/cairo-win32-surface.c b/gfx/cairo/cairo/src/cairo-win32-surface.c
index 989e411cc..2d7395590 100644
--- a/gfx/cairo/cairo/src/cairo-win32-surface.c
+++ b/gfx/cairo/cairo/src/cairo-win32-surface.c
@@ -915,28 +915,14 @@ _composite_alpha_blend (cairo_win32_surface_t *dst,
 
     BLENDFUNCTION blend_function;
 
-    /* Check for AlphaBlend dynamically to allow compiling on
-     * MSVC 6 and use on older windows versions
-     */
+    /* Check for AlphaBlend dynamically */
     if (!alpha_blend_checked) {
-	OSVERSIONINFO os;
-
-	os.dwOSVersionInfoSize = sizeof (os);
-	GetVersionEx (&os);
-
-	/* If running on Win98, disable using AlphaBlend()
-	 * to avoid Win98 AlphaBlend() bug */
-	if (VER_PLATFORM_WIN32_WINDOWS != os.dwPlatformId ||
-	    os.dwMajorVersion != 4 || os.dwMinorVersion != 10)
-	{
 	    HMODULE msimg32_dll = LoadLibraryW (L"msimg32");
 
 	    if (msimg32_dll != NULL)
 		alpha_blend = (cairo_alpha_blend_func_t)GetProcAddress (msimg32_dll,
 									"AlphaBlend");
-	}
-
-	alpha_blend_checked = TRUE;
+		alpha_blend_checked = TRUE;
     }
 
     if (alpha_blend == NULL)