minetest.git - modified minetest for gpcfs purposes

	Commit message (Expand)	Author	Age
*	cmake: Silence warnings. (#9750)	orbea	2020-04-28
*	Add OGG_INCLUDE_DIR to SOUND_INCLUDE_DIRS	Perttu Ahola	2012-03-25
*	celeron55's sound system initial framework	Perttu Ahola	2012-03-24

/* Minetest Copyright (C) 2010-2014 sapier <sapier at gmx dot net> This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #pragma once #include <map> #include <vector> #include "util/basic_macros.h" #include <IGUIFont.h> #include <IGUISkin.h> #include <IGUIEnvironment.h> #include "settings.h" #define FONT_SIZE_UNSPECIFIED 0xFFFFFFFF enum FontMode { FM_Standard = 0, FM_Mono, FM_Fallback, FM_Simple, FM_SimpleMono, FM_MaxMode, FM_Unspecified }; class FontEngine { public: FontEngine(Settings* main_settings, gui::IGUIEnvironment* env); ~FontEngine(); /** get Font */ irr::gui::IGUIFont* getFont(unsigned int font_size=FONT_SIZE_UNSPECIFIED, FontMode mode=FM_Unspecified); /** get text height for a specific font */ unsigned int getTextHeight(unsigned int font_size=FONT_SIZE_UNSPECIFIED, FontMode mode=FM_Unspecified); /** get text width if a text for a specific font */ unsigned int getTextWidth(const std::string& text, unsigned int font_size=FONT_SIZE_UNSPECIFIED, FontMode mode=FM_Unspecified) { return getTextWidth(utf8_to_wide(text)); } /** get text width if a text for a specific font */ unsigned int getTextWidth(const std::wstring& text, unsigned int font_size=FONT_SIZE_UNSPECIFIED, FontMode mode=FM_Unspecified); /** get line height for a specific font (including empty room between lines) */ unsigned int getLineHeight(unsigned int font_size=FONT_SIZE_UNSPECIFIED, FontMode mode=FM_Unspecified); /** get default font size */ unsigned int getDefaultFontSize(); /** initialize font engine */ void initialize(Settings* main_settings, gui::IGUIEnvironment* env); /** update internal parameters from settings */ void readSettings(); private: /** update content of font cache in case of a setting change made it invalid */ void updateFontCache(); /** initialize a new font */ void initFont(unsigned int basesize, FontMode mode=FM_Unspecified); /** initialize a font without freetype */ void initSimpleFont(unsigned int basesize, FontMode mode); /** update current minetest skin with font changes */ void updateSkin(); /** clean cache */ void cleanCache(); /** pointer to settings for registering callbacks or reading config */ Settings* m_settings = nullptr; /** pointer to irrlicht gui environment */ gui::IGUIEnvironment* m_env = nullptr; /** internal storage for caching fonts of different size */ std::map<unsigned int, irr::gui::IGUIFont*> m_font_cache[FM_MaxMode]; /** default font size to use */ unsigned int m_default_size[FM_MaxMode]; /** current font engine mode */ FontMode m_currentMode = FM_Standard; /** font mode of last request */ FontMode m_lastMode; /** size of last request */ unsigned int m_lastSize = 0; /** last font returned */ irr::gui::IGUIFont* m_lastFont = nullptr; DISABLE_CLASS_COPY(FontEngine); }; /** interface to access main font engine*/ extern FontEngine* g_fontengine;