libbase/GnashImagePng.h

   1 // GnashImagePng.h: libpng wrapper for Gnash.
   2 //
   3 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Free Software
   4 //   Foundation, Inc
   5 //
   6 // This program is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software
  18 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 //
  20
  21 #ifndef GNASH_IMAGE_PNG_H
  22 #define GNASH_IMAGE_PNG_H
  23
  24 #include <memory>
  25 #include <boost/shared_ptr.hpp>
  26
  27 // Forward declarations
  28 namespace gnash {
  29     class IOChannel;
  30     namespace image {
  31         class Input;
  32         class Output;
  33     }
  34 }
  35
  36 namespace gnash {
  37 namespace image {
  38
  39 /// Create a PngInput and transfer ownership to the caller.
  40 //
  41 /// @param in   The IOChannel to read PNG data from.
  42 std::auto_ptr<Input> createPngInput(boost::shared_ptr<IOChannel> in);
  43
  44 std::auto_ptr<Output> createPngOutput(boost::shared_ptr<IOChannel> out,
  45         size_t width, size_t height, int quality);
  46
  47 } // namespace image
  48 } // namespace gnash
  49
  50
  51
  52 #endif