Gnash
0.8.10
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00001 // 00002 // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 00003 // 2011 Free Software Foundation, Inc 00004 // 00005 // This program is free software; you can redistribute it and/or modify 00006 // it under the terms of the GNU General Public License as published by 00007 // the Free Software Foundation; either version 3 of the License, or 00008 // (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program; if not, write to the Free Software 00017 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00018 00019 #ifndef GNASH_SCREENSHOT_H 00020 #define GNASH_SCREENSHOT_H 00021 00022 #include <vector> 00023 #include <string> 00024 #include <boost/shared_ptr.hpp> 00025 #include <set> 00026 #include <algorithm> 00027 #include <boost/lexical_cast.hpp> 00028 00029 #include "GnashEnums.h" 00030 00031 namespace gnash { 00032 class Renderer; 00033 } 00034 00035 namespace gnash { 00036 00038 class ScreenShotter 00039 { 00040 public: 00041 00042 typedef std::vector<size_t> FrameList; 00043 00045 ScreenShotter(const std::string& fileName, int quality = 100); 00046 00048 ScreenShotter(const std::string& fileName, FileType f, int quality = 100); 00049 00050 ~ScreenShotter(); 00051 00053 void now() { 00054 _immediate = true; 00055 } 00056 00058 void lastFrame() { 00059 _last = true; 00060 } 00061 00062 struct NoAction { void operator()() const {} }; 00063 00065 // 00067 // 00072 void last(const Renderer& r) const { 00073 last<NoAction>(r); 00074 } 00075 00077 // 00081 // 00086 template<typename Action> 00087 void last(const Renderer& r, Action* t = 0) const 00088 { 00089 if (_last) { 00090 if (t) (*t)(); 00091 saveImage(r, "last"); 00092 } 00093 } 00094 00096 // 00098 // 00102 void screenShot(const Renderer& r, size_t frameAdvance) { 00103 screenShot<NoAction>(r, frameAdvance); 00104 } 00105 00107 // 00110 // 00116 template<typename Action> 00117 void screenShot(const Renderer& r, size_t frameAdvance, Action* t = 0) { 00118 // Save an image if a spontaneous screenshot was requested or the 00119 // frame is in the list of requested frames. 00120 if (_immediate || std::binary_search(_frames.begin(), _frames.end(), 00121 frameAdvance)) { 00122 00123 // Check whether we've rendered an image for this frame. 00124 if (_done.find(frameAdvance) != _done.end()) { 00125 return; 00126 } 00127 if (t) (*t)(); 00128 _done.insert(frameAdvance); 00129 00130 saveImage(r, boost::lexical_cast<std::string>(frameAdvance)); 00131 _immediate = false; 00132 } 00133 00134 } 00135 00137 void setFrames(const FrameList& frames); 00138 00139 private: 00140 00142 void saveImage(const Renderer& r, const std::string& filename) const; 00143 00145 bool _immediate; 00146 00148 const std::string _fileName; 00149 00151 bool _last; 00152 00153 FrameList _frames; 00154 00155 const FileType _type; 00156 00157 const int _quality; 00158 00159 std::set<int> _done; 00160 00161 }; 00162 00163 } // end of gnash namespace 00164 00165 #endif 00166 00167 // Local Variables: 00168 // mode: C++ 00169 // indent-tabs-mode: nil 00170 // End: