288042 make functions virtual so that they can be called from outside of gfx

r=zrusin, qt port only

gfx/src/qt/nsDrawingSurfaceQt.h

@@ -1,126 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *   Lars Knoll <knoll@kde.org>
- *   Zack Rusin <zack@kde.org>
- *   John C. Griggs <johng@corel.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-#ifndef nsDrawingSurfaceQt_h___
-#define nsDrawingSurfaceQt_h___
-
-#include "nsIDrawingSurface.h"
-
-#include <qpainter.h>
-#include <qimage.h>
-
-class QPixmap;
-
-class nsDrawingSurfaceQt : public nsIDrawingSurface
-{
-public:
-    nsDrawingSurfaceQt();
-    virtual ~nsDrawingSurfaceQt();
-
-    NS_DECL_ISUPPORTS
-
-    //nsIDrawingSurface interface
-    NS_IMETHOD Lock(PRInt32 aX,PRInt32 aY,
-                    PRUint32 aWidth,PRUint32 aHeight,
-                    void **aBits,PRInt32 *aStride,
-                    PRInt32 *aWidthBytes,PRUint32 aFlags);
-    NS_IMETHOD Unlock(void);
-    NS_IMETHOD GetDimensions(PRUint32 *aWidth, PRUint32 *aHeight);
-    NS_IMETHOD IsOffscreen(PRBool *aOffScreen);
-    NS_IMETHOD IsPixelAddressable(PRBool *aAddressable);
-    NS_IMETHOD GetPixelFormat(nsPixelFormat *aFormat);
-
-    /**
-     * Initialize a drawing surface using a QPainter and QPaintDevice.
-     * these are "owned" by the drawing surface until the drawing
-     * surface is destroyed.
-     * @param  aGC QPainter to initialize drawing surface with
-     * @param  aPaintDevice QPixmap to initialize drawing surface with
-     * @return error status
-     */
-    NS_IMETHOD Init(QPaintDevice * aPaintDevice, QPainter *aGC);
-
-    /**
-     * Initialize an offscreen drawing surface using a
-     * QPainter. aGC is not "owned" by this drawing surface, instead
-     * it is used to create a drawing surface compatible
-     * with aGC. if width or height are less than zero, aGC will
-     * be created with no offscreen bitmap installed.
-     * @param  aGC QPainter to initialize drawing surface with
-     * @param  aWidth width of drawing surface
-     * @param  aHeight height of drawing surface
-     * @param  aFlags flags used to control type of drawing
-     *         surface created
-     * @return error status
-     */
-    NS_IMETHOD Init(QPainter *aGC,PRUint32 aWidth,PRUint32 aHeight,
-                    PRUint32 aFlags);
-
-    // utility functions.
-    PRInt32 GetDepth() { return mDepth; }
-    QPainter *GetGC(void);
-    QPaintDevice  *GetPaintDevice(void);
-
-protected:
-    NS_IMETHOD CommonInit();
-
-private:
-    /* general */
-    QPaintDevice  *mPaintDevice;
-    QPixmap       mPixmap;
-    QPainter      *mGC;
-    int           mDepth;
-    nsPixelFormat mPixFormat;
-    PRUint32      mWidth;
-    PRUint32      mHeight;
-    PRUint32      mFlags;
-    PRBool        mIsOffscreen;
-
-    /* for locks */
-    QImage        mImage;
-    PRInt32       mLockX;
-    PRInt32       mLockY;
-    PRUint32      mLockWidth;
-    PRUint32      mLockHeight;
-    PRUint32      mLockFlags;
-    PRBool        mLocked;
-};
-
-#endif