LCOV - app.info - widget/shared/nsShmImage.h

LCOV - code coverage report
| Current view: | directory - widget/shared - nsShmImage.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 12 | 0 | 0.0 %
| Date: | 2012-06-02 | Functions: | 5 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
           2                 :  *
           3                 :  * ***** BEGIN LICENSE BLOCK *****
           4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           5                 :  *
           6                 :  * The contents of this file are subject to the Mozilla Public License Version
           7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           8                 :  * the License. You may obtain a copy of the License at
           9                 :  * http://www.mozilla.org/MPL/
          10                 :  *
          11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          13                 :  * for the specific language governing rights and limitations under the
          14                 :  * License.
          15                 :  *
          16                 :  * The Original Code is the Mozilla browser.
          17                 :  *
          18                 :  * The Initial Developer of the Original Code is
          19                 :  * Netscape Communications Corporation.
          20                 :  * Portions created by the Initial Developer are Copyright (C) 1999
          21                 :  * the Initial Developer. All Rights Reserved.
          22                 :  *
          23                 :  * Contributor(s):
          24                 :  *   Chris Jones <jones.chris.g@gmail.com>
          25                 :  *   Oleg Romashin <romaxa@gmail.com>
          26                 :  *
          27                 :  * Alternatively, the contents of this file may be used under the terms of
          28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          31                 :  * of those above. If you wish to allow use of your version of this file only
          32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          33                 :  * use your version of this file under the terms of the MPL, indicate your
          34                 :  * decision by deleting the provisions above and replace them with the notice
          35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          36                 :  * the provisions above, a recipient may use your version of this file under
          37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          38                 :  *
          39                 :  * ***** END LICENSE BLOCK ***** */
          40                 :
          41                 : #ifndef __mozilla_widget_nsShmImage_h__
          42                 : #define __mozilla_widget_nsShmImage_h__
          43                 :
          44                 : #include "mozilla/ipc/SharedMemorySysV.h"
          45                 :
          46                 : #if defined(MOZ_X11) && defined(MOZ_HAVE_SHAREDMEMORYSYSV)
          47                 : #  define MOZ_HAVE_SHMIMAGE
          48                 : #endif
          49                 :
          50                 : #ifdef MOZ_HAVE_SHMIMAGE
          51                 :
          52                 : #include "nsIWidget.h"
          53                 : #include "gfxASurface.h"
          54                 :
          55                 : #include <X11/Xlib.h>
          56                 : #include <X11/Xutil.h>
          57                 : #include <X11/extensions/XShm.h>
          58                 :
          59                 : #if defined(MOZ_WIDGET_GTK2) || defined(MOZ_WIDGET_GTK3)
          60                 : #define DISPLAY gdk_x11_get_default_xdisplay
          61                 : #elif defined(MOZ_WIDGET_QT)
          62                 : #include "QX11Info"
          63                 : #define DISPLAY QX11Info().display
          64                 : #endif
          65                 :
          66                 : class QRect;
          67                 : class QWidget;
          68                 :
          69                 : class nsShmImage {
          70               0 :     NS_INLINE_DECL_REFCOUNTING(nsShmImage)
          71                 :
          72                 :     typedef mozilla::ipc::SharedMemorySysV SharedMemorySysV;
          73                 :
          74                 : public:
          75                 :     typedef gfxASurface::gfxImageFormat Format;
          76                 :
          77                 :     static bool UseShm();
          78                 :     static already_AddRefed<nsShmImage>
          79                 :         Create(const gfxIntSize& aSize, Visual* aVisual, unsigned int aDepth);
          80                 :     static already_AddRefed<gfxASurface>
          81                 :         EnsureShmImage(const gfxIntSize& aSize, Visual* aVisual, unsigned int aDepth,
          82                 :                        nsRefPtr<nsShmImage>& aImage);
          83                 :
          84               0 :     ~nsShmImage() {
          85               0 :         if (mImage) {
          86               0 :             XSync(DISPLAY(), False);
          87               0 :             if (mXAttached) {
          88               0 :                 XShmDetach(DISPLAY(), &mInfo);
          89                 :             }
          90               0 :             XDestroyImage(mImage);
          91                 :         }
          92               0 :     }
          93                 :
          94                 :     already_AddRefed<gfxASurface> AsSurface();
          95                 :
          96                 : #if defined(MOZ_WIDGET_GTK2)
          97                 :     void Put(GdkWindow* aWindow, GdkRectangle* aRects, GdkRectangle* aEnd);
          98                 : #elif defined(MOZ_WIDGET_GTK3)
          99                 :     void Put(GdkWindow* aWindow, cairo_rectangle_list_t* aRects);
         100                 : #elif defined(MOZ_WIDGET_QT)
         101                 :     void Put(QWidget* aWindow, QRect& aRect);
         102                 : #endif
         103                 :
         104               0 :     gfxIntSize Size() const { return mSize; }
         105                 :
         106                 : private:
         107               0 :     nsShmImage()
         108                 :         : mImage(nsnull)
         109               0 :         , mXAttached(false)
         110               0 :     { mInfo.shmid = SharedMemorySysV::NULLHandle(); }
         111                 :
         112                 :     nsRefPtr<SharedMemorySysV>   mSegment;
         113                 :     XImage*                      mImage;
         114                 :     XShmSegmentInfo              mInfo;
         115                 :     gfxIntSize                   mSize;
         116                 :     Format                       mFormat;
         117                 :     bool                         mXAttached;
         118                 : };
         119                 :
         120                 : #endif // MOZ_HAVE_SHMIMAGE
         121                 :
         122                 : #endif

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