/** * @file llfontregistry.h * @author Brad Payne * @brief Storage for fonts. * * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library 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; * version 2.1 of the License only. * * This library 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #ifndef LL_LLFONTREGISTRY_H #define LL_LLFONTREGISTRY_H #include "llpointer.h" class LLFontGL; typedef std::vector<std::string> string_vec_t; struct LLFontFileInfo { LLFontFileInfo(const std::string& file_name, const std::function<bool(llwchar)>& char_functor = nullptr) : FileName(file_name) , CharFunctor(char_functor) { } LLFontFileInfo(const LLFontFileInfo& ffi) : FileName(ffi.FileName) , CharFunctor(ffi.CharFunctor) { } std::string FileName; std::function<bool(llwchar)> CharFunctor; }; typedef std::vector<LLFontFileInfo> font_file_info_vec_t; class LLFontDescriptor { public: LLFontDescriptor(); LLFontDescriptor(const std::string& name, const std::string& size, const U8 style); LLFontDescriptor(const std::string& name, const std::string& size, const U8 style, const font_file_info_vec_t& font_list); LLFontDescriptor(const std::string& name, const std::string& size, const U8 style, const font_file_info_vec_t& font_list, const font_file_info_vec_t& font_collection_list); LLFontDescriptor normalize() const; bool operator<(const LLFontDescriptor& b) const; bool isTemplate() const; const std::string& getName() const { return mName; } void setName(const std::string& name) { mName = name; } const std::string& getSize() const { return mSize; } void setSize(const std::string& size) { mSize = size; } void addFontFile(const std::string& file_name, const std::string& char_functor = LLStringUtil::null); const font_file_info_vec_t & getFontFiles() const { return mFontFiles; } void setFontFiles(const font_file_info_vec_t& font_files) { mFontFiles = font_files; } void addFontCollectionFile(const std::string& file_name, const std::string& char_functor = LLStringUtil::null); const font_file_info_vec_t& getFontCollectionFiles() const { return mFontCollectionFiles; } void setFontCollectionFiles(const font_file_info_vec_t& font_collection_files) { mFontCollectionFiles = font_collection_files; } const U8 getStyle() const { return mStyle; } void setStyle(U8 style) { mStyle = style; } private: std::string mName; std::string mSize; font_file_info_vec_t mFontFiles; font_file_info_vec_t mFontCollectionFiles; U8 mStyle; typedef std::map<std::string, std::function<bool(llwchar)>> char_functor_map_t; static char_functor_map_t mCharFunctors; }; class LLFontRegistry { public: friend bool init_from_xml(LLFontRegistry*, LLPointer<class LLXMLNode>); // create_gl_textures - set to false for test apps with no OpenGL window, // such as llui_libtest LLFontRegistry(bool create_gl_textures); ~LLFontRegistry(); // Load standard font info from XML file(s). bool parseFontInfo(const std::string& xml_filename); // Clear cached glyphs for all fonts. void reset(); // Destroy all fonts. void clear(); // GL cleanup void destroyGL(); LLFontGL *getFont(const LLFontDescriptor& desc); const LLFontDescriptor *getMatchingFontDesc(const LLFontDescriptor& desc); const LLFontDescriptor *getClosestFontTemplate(const LLFontDescriptor& desc); bool nameToSize(const std::string& size_name, F32& size); void dump(); void dumpTextures(); const string_vec_t& getUltimateFallbackList() const; private: LLFontRegistry(const LLFontRegistry& other); // no-copy LLFontGL *createFont(const LLFontDescriptor& desc); typedef std::map<LLFontDescriptor,LLFontGL*> font_reg_map_t; typedef std::map<std::string,F32> font_size_map_t; // Given a descriptor, look up specific font instantiation. font_reg_map_t mFontMap; // Given a size name, look up the point size. font_size_map_t mFontSizes; string_vec_t mUltimateFallbackList; bool mCreateGLTextures; }; #endif // LL_LLFONTREGISTRY_H