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Diffstat (limited to 'src/gui/font.h')
| -rw-r--r-- | src/gui/font.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/gui/font.h b/src/gui/font.h new file mode 100644 index 000000000..8740b4f3b --- /dev/null +++ b/src/gui/font.h @@ -0,0 +1,213 @@ +/* + * 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 |