Back to index

lightning-sunbird  0.9+nobinonly
nsRenderingContextXp.h
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038  
00039 #ifndef nsRenderingContextXp_h___
00040 #define nsRenderingContextXp_h___ 1
00041 
00042 #include "nsXPrintContext.h"
00043 #include "nsRenderingContextXlib.h"
00044 
00045 /* Rendering context class to match the special needs of Xprint (X11 print
00046  * system). Nearly identical to nsRenderingContextXlib - except two details:
00047  * - "offscreen" drawing surfaces are not supported by printers, therefore
00048  *   we "disable" those functions here by overriding them with empty versions.
00049  * - images are handeled by nsXPrintContext class instead of nsImageXlib
00050  */
00051 class nsRenderingContextXp : public nsRenderingContextXlib
00052 {
00053  public:
00054   nsRenderingContextXp();
00055   virtual ~nsRenderingContextXp();
00056    
00057   NS_IMETHOD Init(nsIDeviceContext* aContext);
00058   NS_IMETHOD Init(nsIDeviceContext* aContext, nsIWidget *aWindow);
00059   NS_IMETHOD Init(nsIDeviceContext* aContext, nsIDrawingSurface* aSurface);
00060 
00061   NS_IMETHOD LockDrawingSurface(PRInt32 aX, PRInt32 aY, PRUint32 aWidth, PRUint32 aHeight,
00062                                 void **aBits, PRInt32 *aStride, PRInt32 *aWidthBytes,
00063                                 PRUint32 aFlags);
00064   NS_IMETHOD UnlockDrawingSurface(void);
00065  
00066   NS_IMETHOD DrawImage(imgIContainer *aImage, const nsRect & aSrcRect, const nsRect & aDestRect);
00067 
00068   NS_IMETHOD DrawTile(imgIContainer *aImage, nscoord aXImageStart, nscoord aYImageStart, const nsRect *aTargetRect);
00069 
00070   NS_IMETHOD RenderEPS(const nsRect& aRect, FILE *aDataFile);
00071                                
00072 protected:
00073   nsXPrintContext *mPrintContext; /* identical to |mRenderingSurface|
00074                                    * (except the different type) 
00075                                    */
00076 };
00077 #endif /* !nsRenderingContextXp_h___ */