Second Life viewer sources 1.23.0-RC

1 files changed, 114 insertions, 0 deletions

diff --git a/linden/indra/llrender/llfontregistry.h b/linden/indra/llrender/llfontregistry.h
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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