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/**
* @file llfontregistry.h
* @author Brad Payne
* @brief Storage for fonts.
*
* $LicenseInfo:firstyear=2008&license=viewergpl$
*
* Copyright (c) 2008-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLFONTREGISTRY_H
#define LL_LLFONTREGISTRY_H
#include "llxmlnode.h"
class LLFontGL;
typedef std::vector<std::string> string_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 string_vec_t& file_names);
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; }
const std::vector<std::string>& getFileNames() const { return mFileNames; }
std::vector<std::string>& getFileNames() { return mFileNames; }
const U8 getStyle() const { return mStyle; }
void setStyle(U8 style) { mStyle = style; }
private:
std::string mName;
std::string mSize;
string_vec_t mFileNames;
U8 mStyle;
};
class LLFontRegistry
{
public:
LLFontRegistry(const string_vec_t& xui_paths);
~LLFontRegistry();
// Load standard font info from XML file(s).
bool parseFontInfo(const std::string& xml_filename);
bool initFromXML(LLXMLNodePtr node);
// 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();
const string_vec_t& getUltimateFallbackList() const { return mUltimateFallbackList; }
private:
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;
string_vec_t mXUIPaths;
};
#endif // LL_LLFONTREGISTRY_H
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