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/**
* @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 "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:
// 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);
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;
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;
bool mCreateGLTextures;
};
#endif // LL_LLFONTREGISTRY_H
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