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+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2014 The ManaPlus Developers
+ * Copyright (C) 2009 Aethyra Development Team
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* _______ __ __ __ ______ __ __ _______ __ __
+ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
+ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
+ * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef GUI_FONT_H
+#define GUI_FONT_H
+
+#include "gui/base/color.hpp"
+
+#include <SDL_ttf.h>
+
+#include <map>
+#include <string>
+
+#include "localconsts.h"
+
+class Graphics;
+class Image;
+
+const unsigned int CACHES_NUMBER = 256;
+
+class SDLTextChunkSmall
+{
+ public:
+ SDLTextChunkSmall(const std::string &text0, const gcn::Color &color0,
+ const gcn::Color &color1);
+
+ SDLTextChunkSmall(const SDLTextChunkSmall &old);
+
+ bool operator==(const SDLTextChunkSmall &chunk) const;
+ bool operator<(const SDLTextChunkSmall &chunk) const;
+
+ std::string text;
+ gcn::Color color;
+ gcn::Color color2;
+};
+
+class SDLTextChunk final
+{
+ public:
+ SDLTextChunk(const std::string &text0, const gcn::Color &color0,
+ const gcn::Color &color1);
+
+ A_DELETE_COPY(SDLTextChunk)
+
+ ~SDLTextChunk();
+
+ bool operator==(const SDLTextChunk &chunk) const;
+
+ void generate(TTF_Font *const font, const float alpha);
+
+ Image *img;
+ std::string text;
+ gcn::Color color;
+ gcn::Color color2;
+ SDLTextChunk *prev;
+ SDLTextChunk *next;
+};
+
+
+class TextChunkList final
+{
+ public:
+ TextChunkList();
+
+ A_DELETE_COPY(TextChunkList)
+
+ void insertFirst(SDLTextChunk *const item);
+
+ void moveToFirst(SDLTextChunk *item);
+
+ void removeBack();
+
+ void removeBack(int n);
+
+ void clear();
+
+ SDLTextChunk *start;
+ SDLTextChunk *end;
+ uint32_t size;
+ std::map<SDLTextChunkSmall, SDLTextChunk*> search;
+ std::map<std::string, SDLTextChunk*> searchWidth;
+};
+
+/**
+ * A wrapper around SDL_ttf for allowing the use of TrueType fonts.
+ *
+ * <b>NOTE:</b> This class initializes SDL_ttf as necessary.
+ */
+class Font final
+{
+ public:
+ Font(std::string filename,
+ const int size,
+ const int style = 0);
+
+ A_DELETE_COPY(Font)
+
+ ~Font();
+
+ void loadFont(std::string filename,
+ const int size,
+ const int style = 0);
+
+ int getWidth(const std::string &text) const A_WARN_UNUSED;
+
+ int getHeight() const A_WARN_UNUSED;
+
+ const TextChunkList *getCache() const A_WARN_UNUSED;
+
+ /**
+ * @see Font::drawString
+ */
+ void drawString(Graphics *const graphics,
+ const std::string &text,
+ const int x, const int y);
+
+ void clear();
+
+ void doClean();
+
+ void slowLogic(const int rnd);
+
+ int getCreateCounter() const A_WARN_UNUSED
+ { return mCreateCounter; }
+
+ int getDeleteCounter() const A_WARN_UNUSED
+ { return mDeleteCounter; }
+
+ int getStringIndexAt(const std::string& text,
+ const int x) const A_WARN_UNUSED;
+
+ static bool mSoftMode;
+
+ private:
+ static TTF_Font *openFont(const char *const name, const int size);
+
+ TTF_Font *mFont;
+ unsigned mCreateCounter;
+ unsigned mDeleteCounter;
+
+ // Word surfaces cache
+ int mCleanTime;
+ mutable TextChunkList mCache[CACHES_NUMBER];
+};
+
+#ifdef UNITTESTS
+extern int sdlTextChunkCnt;
+#endif
+
+#endif // GUI_FONT_H