FIFE 2008.0
textrenderpool.h
00001 /***************************************************************************
00002  *   Copyright (C) 2005-2008 by the FIFE team                              *
00003  *   http://www.fifengine.de                                               *
00004  *   This file is part of FIFE.                                            *
00005  *                                                                         *
00006  *   FIFE is free software; you can redistribute it and/or                 *
00007  *   modify it under the terms of the GNU Lesser General Public            *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2.1 of the License, or (at your option) any later version.    *
00010  *                                                                         *
00011  *   This library is distributed in the hope that it will be useful,       *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the                 *
00018  *   Free Software Foundation, Inc.,                                       *
00019  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
00020  ***************************************************************************/
00021 
00022 #ifndef FIFE_FONTS_TEXTRENDERPOOL_H
00023 #define FIFE_FONTS_TEXTRENDERPOOL_H
00024 
00025 // Standard C++ library includes
00026 #include <list>
00027 #include <string>
00028 
00029 // Platform specific includes
00030 
00031 // 3rd party library includes
00032 #include <SDL.h>
00033 
00034 // FIFE includes
00035 // These includes are split up in two parts, separated by one empty line
00036 // First block: files included from the FIFE root src directory
00037 // Second block: files included from the same folder
00038 #include "util/time/timer.h"
00039 
00040 struct SDL_Surface;
00041 namespace FIFE {
00042     class FontBase;
00043     class Image;
00044 
00053     class TextRenderPool {
00054         public:
00058             TextRenderPool(size_t poolSize = 200);
00059 
00062             ~TextRenderPool();
00063 
00066             void invalidateCachedText();
00067 
00070             Image* getRenderedText( FontBase* fontbase, const std::string& text);
00071 
00074             void addRenderedText( FontBase* fontbase, const std::string& text, Image* image);
00075 
00079             void removeOldEntries();
00080 
00081         protected:
00082             typedef struct {
00083                 std::string text;
00084                 SDL_Color color;
00085                 bool antialias;
00086                 int glyph_spacing;
00087                 int row_spacing;
00088                 uint32_t timestamp;
00089 
00090                 Image* image;
00091             } s_pool_entry;
00092 
00093             typedef std::list<s_pool_entry> type_pool;
00094             type_pool m_pool;
00095             size_t m_poolSize;
00096             size_t m_poolMaxSize;
00097 
00098             Timer m_collectTimer;
00099     };
00100 }
00101 #endif
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