canvas/source/vcl/spritedevicehelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _VCLCANVAS_SPRITEDEVICEHELPER_HXX
  21 #define _VCLCANVAS_SPRITEDEVICEHELPER_HXX
  22
  23 #include <com/sun/star/awt/Rectangle.hpp>
  24 #include <com/sun/star/awt/XWindow2.hpp>
  25 #include <com/sun/star/rendering/XGraphicDevice.hpp>
  26 #include <com/sun/star/rendering/XBufferController.hpp>
  27
  28 #include <vcl/outdev.hxx>
  29 #include <vcl/window.hxx>
  30
  31 #include "backbuffer.hxx"
  32 #include "devicehelper.hxx"
  33
  34 #include <boost/utility.hpp>
  35
  36
  37 /* Definition of DeviceHelper class */
  38
  39 namespace vclcanvas
  40 {
  41     class SpriteDeviceHelper : public DeviceHelper
  42     {
  43     public:
  44         SpriteDeviceHelper();
  45
  46         void init( const OutDevProviderSharedPtr& rOutDev );
  47
  48         /// Dispose all internal references
  49         void disposing();
  50
  51         ::sal_Int32 createBuffers( ::sal_Int32 nBuffers );
  52         void        destroyBuffers(  );
  53         ::sal_Bool  showBuffer( bool bWindowVisible, ::sal_Bool bUpdateAll );
  54         ::sal_Bool  switchBuffer( bool bWindowVisible, ::sal_Bool bUpdateAll );
  55
  56         ::com::sun::star::uno::Any isAccelerated() const;
  57         ::com::sun::star::uno::Any getDeviceHandle() const;
  58         ::com::sun::star::uno::Any getSurfaceHandle() const;
  59
  60         void dumpScreenContent() const;
  61         BackBufferSharedPtr getBackBuffer() const { return mpBackBuffer; }
  62
  63         void notifySizeUpdate( const ::com::sun::star::awt::Rectangle& rBounds );
  64
  65     private:
  66         /// This buffer holds the background content for all associated canvases
  67         BackBufferSharedPtr     mpBackBuffer;
  68     };
  69 }
  70
  71 #endif /* _VCLCANVAS_SPRITEDEVICEHELPER_HXX */
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */