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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsGraphicState_h___
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#define nsGraphicState_h___
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#include "nsIRenderingContext.h"
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#include "nsTransform2D.h"
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#include <Quickdraw.h>
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//------------------------------------------------------------------------
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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void Init(nsDrawingSurface aSurface);
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void Init(CGrafPtr aPort);
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void Init(nsIWidget* aWindow);
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void Duplicate(nsGraphicState* aGS); // would you prefer an '=' operator? <anonymous>
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// - no thanks, <pierre>
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void SetChanges(PRUint32 aChanges) { mChanges = aChanges; }
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PRUint32 GetChanges() { return mChanges; }
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RgnHandle DuplicateRgn(RgnHandle aRgn, RgnHandle aDestRgn = nsnull);
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nsTransform2D mTMatrix; // transform that all the graphics drawn here will obey
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RgnHandle mMainRegion;
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RgnHandle mClipRegion;
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nsIFontMetrics * mFontMetrics;
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PRInt32 mCurrFontHandle;
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PRUint32 mChanges; // flags indicating changes between this graphics state and the previous.
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friend class nsGraphicStatePool;
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nsGraphicState* mNext; // link into free list of graphics states.
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//------------------------------------------------------------------------
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class nsGraphicStatePool
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~nsGraphicStatePool();
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nsGraphicState* GetNewGS();
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void ReleaseGS(nsGraphicState* aGS);
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nsGraphicState* mFreeList;
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//------------------------------------------------------------------------
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extern nsGraphicStatePool sGraphicStatePool;
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//------------------------------------------------------------------------
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#endif //nsGraphicState_h___