145 lines
4.8 KiB
C++
145 lines
4.8 KiB
C++
/**
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* @file llfontregistry.h
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* @author Brad Payne
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* @brief Storage for fonts.
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*
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* $LicenseInfo:firstyear=2008&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLFONTREGISTRY_H
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#define LL_LLFONTREGISTRY_H
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#include "llpointer.h"
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class LLFontGL;
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typedef std::vector<std::string> string_vec_t;
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struct LLFontFileInfo
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{
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LLFontFileInfo(const std::string& file_name, const std::function<bool(llwchar)>& char_functor = nullptr)
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: FileName(file_name)
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, CharFunctor(char_functor)
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{
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}
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LLFontFileInfo(const LLFontFileInfo& ffi)
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: FileName(ffi.FileName)
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, CharFunctor(ffi.CharFunctor)
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{
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}
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std::string FileName;
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std::function<bool(llwchar)> CharFunctor;
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};
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typedef std::vector<LLFontFileInfo> font_file_info_vec_t;
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class LLFontDescriptor
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{
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public:
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LLFontDescriptor();
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LLFontDescriptor(const std::string& name, const std::string& size, const U8 style);
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LLFontDescriptor(const std::string& name, const std::string& size, const U8 style, const font_file_info_vec_t& font_list);
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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);
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LLFontDescriptor normalize() const;
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bool operator<(const LLFontDescriptor& b) const;
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bool isTemplate() const;
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const std::string& getName() const { return mName; }
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void setName(const std::string& name) { mName = name; }
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const std::string& getSize() const { return mSize; }
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void setSize(const std::string& size) { mSize = size; }
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void addFontFile(const std::string& file_name, const std::string& char_functor = LLStringUtil::null);
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const font_file_info_vec_t & getFontFiles() const { return mFontFiles; }
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void setFontFiles(const font_file_info_vec_t& font_files) { mFontFiles = font_files; }
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void addFontCollectionFile(const std::string& file_name, const std::string& char_functor = LLStringUtil::null);
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const font_file_info_vec_t& getFontCollectionFiles() const { return mFontCollectionFiles; }
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void setFontCollectionFiles(const font_file_info_vec_t& font_collection_files) { mFontCollectionFiles = font_collection_files; }
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const U8 getStyle() const { return mStyle; }
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void setStyle(U8 style) { mStyle = style; }
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private:
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std::string mName;
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std::string mSize;
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font_file_info_vec_t mFontFiles;
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font_file_info_vec_t mFontCollectionFiles;
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U8 mStyle;
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typedef std::map<std::string, std::function<bool(llwchar)>> char_functor_map_t;
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static char_functor_map_t mCharFunctors;
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};
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class LLFontRegistry
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{
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public:
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friend bool init_from_xml(LLFontRegistry*, LLPointer<class LLXMLNode>);
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// create_gl_textures - set to false for test apps with no OpenGL window,
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// such as llui_libtest
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LLFontRegistry(bool create_gl_textures, F32 size_mod);
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~LLFontRegistry();
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// Load standard font info from XML file(s).
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bool parseFontInfo(const std::string& xml_filename);
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// Clear cached glyphs for all fonts.
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void reset();
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// Destroy all fonts.
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void clear();
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// GL cleanup
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void destroyGL();
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LLFontGL *getFont(const LLFontDescriptor& desc);
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const LLFontDescriptor *getMatchingFontDesc(const LLFontDescriptor& desc);
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const LLFontDescriptor *getClosestFontTemplate(const LLFontDescriptor& desc);
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bool nameToSize(const std::string& size_name, F32& size);
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void dump();
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void dumpTextures();
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const string_vec_t& getUltimateFallbackList() const;
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private:
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LLFontRegistry(const LLFontRegistry& other); // no-copy
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LLFontGL *createFont(const LLFontDescriptor& desc);
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typedef std::map<LLFontDescriptor,LLFontGL*> font_reg_map_t;
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typedef std::map<std::string,F32> font_size_map_t;
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// Given a descriptor, look up specific font instantiation.
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font_reg_map_t mFontMap;
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// Given a size name, look up the point size.
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font_size_map_t mFontSizes;
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string_vec_t mUltimateFallbackList;
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bool mCreateGLTextures;
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// +/- defualt font sizes -KC
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F32 mFontSizeMod;
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};
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#endif // LL_LLFONTREGISTRY_H
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