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lib/engine/rs_font.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_FONT_H
+#define RS_FONT_H
+
+#include <iosfwd>
+#include <QStringList>
+#include <QMap>
+#include "rs_blocklist.h"
+
+/**
+ * Class for representing a font. This is implemented as a RS_Graphic
+ * with a name (the font name) and several blocks, one for each letter
+ * in the font.
+ *
+ * @author Andrew Mustun
+ */
+class RS_Font {
+public:
+    RS_Font(const QString& name, bool owner=true);
+    //RS_Font(const char* name);
+
+    /** @return the fileName of this font. */
+    QString getFileName() const {
+        return fileName;
+    }
+	
+    /** @return the fileLicense of this font. */
+    QString getFileLicense() const {
+        return fileLicense;
+    }
+
+    /** @return the creation date of this font. */
+    QString getFileCreate() const {
+        return fileCreate;
+    }
+
+    /** @return the encoding of this font. */
+    QString getEncoding() const {
+        return encoding;
+    }
+	
+    /** @return the alternative names of this font. */
+    const QStringList& getNames() const {
+        return names;
+    }
+	
+    /** @return the author(s) of this font. */
+    const QStringList& getAuthors() const {
+        return authors;
+    }
+
+    /** @return Default letter spacing for this font */
+    double getLetterSpacing() {
+        return letterSpacing;
+    }
+
+    /** @return Default word spacing for this font */
+    double getWordSpacing() {
+        return wordSpacing;
+    }
+
+    /** @return Default line spacing factor for this font */
+    double getLineSpacingFactor() {
+        return lineSpacingFactor;
+    }
+
+    bool loadFont();
+
+    void generateAllFonts();
+
+	// Wrappers for block list (letters) functions
+	RS_BlockList* getLetterList() {
+		return &letterList;
+	}
+    RS_Block* findLetter(const QString& name);
+//    RS_Block* findLetter(const QString& name) {
+//		return letterList.find(name);
+//	}
+    unsigned countLetters() {
+        return letterList.count();
+    }
+    RS_Block* letterAt(unsigned i) {
+		return letterList.at(i);
+	}
+
+    friend std::ostream& operator << (std::ostream& os, const RS_Font& l);
+
+    friend class RS_FontList;
+
+private:
+    void readCXF(QString path);
+    void readLFF(QString path);
+    RS_Block* generateLffFont(const QString& ch);
+
+private:
+    //raw lff font file list, not processed into blocks yet
+    QMap<QString, QStringList> rawLffFontList;
+
+        //! block list (letters)
+        RS_BlockList letterList;
+
+    //! Font file name
+    QString fileName;
+	
+    //! Font file license
+    QString fileLicense;
+
+    //! Font file license
+    QString fileCreate;
+
+    //! Font encoding (see docu for QTextCodec)
+    QString encoding;
+
+	//! Font names
+        QStringList names;
+	
+	//! Authors
+        QStringList authors;
+
+    //! Is this font currently loaded into memory?
+    bool loaded;
+
+    //! Default letter spacing for this font
+    double letterSpacing;
+
+    //! Default word spacing for this font
+    double wordSpacing;
+
+    //! Default line spacing factor for this font
+    double lineSpacingFactor;
+};
+
+#endif
+