gecko-dev/layout/html/style/public/nsStyleUtil.h
1998-07-25 01:22:10 +00:00

45 lines
1.5 KiB
C++

/* -*- 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 float GetScalingFactor(PRInt32 aScaler);
static nscoord CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize,
float aScalingFactor);
static PRInt32 FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
float aScalingFactor);
static PRInt32 FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
float aScalingFactor);
static const nsStyleColor* FindNonTransparentBackground(nsIStyleContext* aContext);
};
#endif /* nsStyleUtil_h___ */