added nsStyleUtil.h

layout/html/style/public/MANIFEST

@@ -2,4 +2,5 @@
 # This is a list of local files which get copied to the mozilla:dist:layout directory
 #
 
-nsICSSParser.h 
+nsICSSParser.h
+nsStyleUtil.h

layout/html/style/public/Makefile

@@ -21,6 +21,7 @@ MODULE = raptor
 
 EXPORTS =               \
         nsICSSParser.h	\
+        nsStyleUtil.h	\
         $(NULL)
 
 include $(DEPTH)/config/config.mk

layout/html/style/public/makefile.win

@@ -17,7 +17,7 @@
 
 DEPTH=..\..\..\.. 
 
-EXPORTS=nsICSSParser.h 
+EXPORTS=nsICSSParser.h nsStyleUtil.h
 MODULE=raptor 
 
 include <$(DEPTH)\layout\config\rules.mak>

layout/html/style/public/nsStyleUtil.h

@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+#ifndef nsStyleUtil_h___
+#define nsStyleUtil_h___
+
+#include "nslayout.h"
+#include "nsCoord.h"
+
+class nsIStyleContext;
+struct nsStyleColor;
+
+// Style utility functions
+class nsStyleUtil {
+public:
+
+  static nscoord CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize);
+  static PRInt32 FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize);
+  static PRInt32 FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePointSize);
+
+  static const nsStyleColor* FindNonTransparentBackground(nsIStyleContext* aContext);
+};
+
+
+#endif /* nsStyleUtil_h___ */