libbase/GnashVaapiImageProxy.h

   1 // GnashVaapiImageProxy.h: GnashVaapiImage proxy class used for delayed rendering
   2 //
   3 // Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18 //
  19
  20 #ifndef GNASH_GNASHVAAPIIMAGEPROXY_H
  21 #define GNASH_GNASHVAAPIIMAGEPROXY_H
  22
  23 #include <boost/shared_ptr.hpp>
  24
  25 namespace gnash {
  26
  27 // Forward declarations
  28 class GnashVaapiImage;
  29 class VaapiSurface;
  30
  31 /// GnashVaapiImage proxy for delayed rendering
  32 /// XXX: call it GnashRenderedVaapiImage instead?
  33 class DSOEXPORT GnashVaapiImageProxy
  34 {
  35     /* XXX: Should Renderers use boost::shared_ptr<> we could simple
  36        derive from a GnashImageProxy base that would itself contain a
  37        shared pointer to the image */
  38     boost::shared_ptr<VaapiSurface> _surface;
  39
  40     /// X-position of the rendered image, in pixels
  41     const int _x;
  42
  43     /// Y-position of the rendered image, in pixels
  44     const int _y;
  45
  46     /// Width of the rendered image, in pixels
  47     const size_t _width;
  48
  49     /// Height of the rendered image, in pixels
  50     const size_t _height;
  51
  52 public:
  53     GnashVaapiImageProxy(GnashVaapiImage *image, int x, int y, size_t w, size_t h)
  54         : _surface(image->surface()), _x(x), _y(y), _width(w), _height(h)
  55         { }
  56
  57     GnashVaapiImageProxy(const GnashVaapiImageProxy& o)
  58         : _surface(o.surface())
  59         , _x(o.x()), _y(o.y()), _width(o.width()), _height(o.height())
  60         { }
  61
  62     /// Get access to the underlying surface
  63     //
  64     /// @return     A pointer to the VA surface.
  65     boost::shared_ptr<VaapiSurface> surface() const
  66         { return _surface; }
  67
  68     /// Get the rendered image's x position
  69     //
  70     /// @return     The rendered image's x position in pixels.
  71     int x() const { return _x; }
  72
  73     /// Get the rendered image's y position
  74     //
  75     /// @return     The rendered image's y position in pixels.
  76     int y() const { return _y; }
  77
  78     /// Get the rendered image's width
  79     //
  80     /// @return     The rendered image's width in pixels.
  81     size_t width() const { return _width; }
  82
  83     /// Get the rendered image's width
  84     //
  85     /// @return     The rendered image's height in pixels.
  86     size_t height() const { return _height; }
  87 };
  88
  89 } // gnash namespace
  90
  91 #endif // end of GNASH_GNASHVAAPIIMAGEPROXY_H
  92
  93
  94 // local Variables:
  95 // mode: C++
  96 // indent-tabs-mode: t
  97 // End: