pjs/gfx/src/nsRegressionTestFontMetrics.h

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/* -*- 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 nsRegressionTestFontMetrics_h__
#define nsRegressionTestFontMetrics_h__
#include "nsIFontMetrics.h"
#include "nsFont.h"
#include "nsString.h"
#include "nsUnitConversion.h"
#include "nsIDeviceContext.h"
class nsRegressionTestFontMetrics : public nsIFontMetrics
{
public:
friend nsresult NS_NewRegressionTestFontMetrics(nsIFontMetrics** aMetrics);
virtual ~nsRegressionTestFontMetrics();
NS_DECL_ISUPPORTS
NS_IMETHOD Init(const nsFont& aFont, nsIDeviceContext *aContext);
NS_IMETHOD Destroy();
NS_IMETHOD GetXHeight(nscoord& aResult);
NS_IMETHOD GetSuperscriptOffset(nscoord& aResult);
NS_IMETHOD GetSubscriptOffset(nscoord& aResult);
NS_IMETHOD GetStrikeout(nscoord& aOffset, nscoord& aSize);
NS_IMETHOD GetUnderline(nscoord& aOffset, nscoord& aSize);
NS_IMETHOD GetHeight(nscoord &aHeight);
NS_IMETHOD GetLeading(nscoord &aLeading);
NS_IMETHOD GetMaxAscent(nscoord &aAscent);
NS_IMETHOD GetMaxDescent(nscoord &aDescent);
NS_IMETHOD GetMaxAdvance(nscoord &aAdvance);
NS_IMETHOD GetFont(const nsFont *&aFont);
NS_IMETHOD GetFontHandle(nsFontHandle &aHandle);
NS_METHOD GetWidth(const char aChar, nscoord& aWidth);
NS_METHOD GetWidth(const PRUnichar aChar, nscoord& aWidth);
NS_METHOD GetWidth(const PRUnichar *aString, PRUint32 aLength, nscoord& aWidth);
NS_METHOD GetWidth(const char* aString, PRUint32 aLength, nscoord& aWidth);
protected:
nsRegressionTestFontMetrics();
void RealizeFont();
nsIDeviceContext *mDeviceContext;
nsFont *mFont;
nscoord mHeight;
nscoord mAscent;
nscoord mDescent;
nscoord mLeading;
nscoord mMaxAscent;
nscoord mMaxDescent;
nscoord mMaxAdvance;
nscoord mXHeight;
nscoord mSuperscriptOffset;
nscoord mSubscriptOffset;
nscoord mStrikeoutSize;
nscoord mStrikeoutOffset;
nscoord mUnderlineSize;
nscoord mUnderlineOffset;
};
#endif