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69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsStyleUtil_h___
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#define nsStyleUtil_h___
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#include "nslayout.h"
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#include "nsCoord.h"
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#include "nsIPresContext.h"
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#include "nsILinkHandler.h" // for nsLinkState
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class nsIStyleContext;
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struct nsStyleColor;
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enum nsFontSizeType {
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eFontSize_HTML = 1,
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eFontSize_CSS = 2
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};
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// Style utility functions
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class nsStyleUtil {
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public:
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static float GetScalingFactor(PRInt32 aScaler);
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static nscoord CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize,
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float aScalingFactor, nsIPresContext* aPresContext,
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nsFontSizeType aFontSizeType = eFontSize_HTML);
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static PRInt32 FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
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float aScalingFactor, nsIPresContext* aPresContext,
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nsFontSizeType aFontSizeType = eFontSize_HTML);
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static PRInt32 FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
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float aScalingFactor, nsIPresContext* aPresContext,
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nsFontSizeType aFontSizeType = eFontSize_HTML);
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static PRInt32 ConstrainFontWeight(PRInt32 aWeight);
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static const nsStyleColor* FindNonTransparentBackground(nsIStyleContext* aContext,
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PRBool aStartAtParent = PR_FALSE);
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static PRBool IsHTMLLink(nsIContent *aContent, nsIAtom *aTag, nsIPresContext *aPresContext, nsLinkState *aState);
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static PRBool IsSimpleXlink(nsIContent *aContent, nsIPresContext *aPresContext, nsLinkState *aState);
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};
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#endif /* nsStyleUtil_h___ */
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