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lib/engine/rs_fontlist.h

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+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
+** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software 
+** Foundation and appearing in the file gpl-2.0.txt included in the
+** packaging of this file.
+**
+** This program 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 General Public License for more details.
+** 
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+**
+** This copyright notice MUST APPEAR in all copies of the script!  
+**
+**********************************************************************/
+#ifndef RS_FONTLIST_H
+#define RS_FONTLIST_H
+#include <memory>
+#include <vector>
+
+class RS_Font;
+
+#define RS_FONTLIST RS_FontList::instance()
+
+/**
+ * The global list of fonts. This is implemented as a singleton.
+ * Use RS_FontList::instance() to get a pointer to the object.
+ *
+ * @author Andrew Mustun
+ */
+class RS_FontList {
+
+public:
+    /**
+     * @return Instance to the unique font list.
+     */
+	static RS_FontList* instance();
+
+	virtual ~RS_FontList() = default;
+
+    void init();
+
+    void clearFonts();
+	size_t countFonts() const;
+    RS_Font* requestFont(const QString& name);
+	std::vector<std::unique_ptr<RS_Font> >::const_iterator begin() const;
+	std::vector<std::unique_ptr<RS_Font> >::const_iterator end() const;
+
+    friend std::ostream& operator << (std::ostream& os, RS_FontList& l);
+
+private:
+	RS_FontList()=default;
+	RS_FontList(RS_FontList const&)=delete;
+	RS_FontList& operator = (RS_FontList const&)=delete;
+	static RS_FontList* uniqueInstance;
+    //! fonts in the graphic
+	std::vector<std::unique_ptr<RS_Font>> fonts;
+};
+
+#endif