rs_font.h

qcad2.05可用于windows和linux的源码

/****************************************************************************
** $Id: rs_font.h 1651 2003-06-14 07:24:35Z andrew $
**
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
** This file is part of the qcadlib Library project.
**
** 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 LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid qcadlib Professional Edition licenses may use 
** this file in accordance with the qcadlib Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.ribbonsoft.com for further details.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/


#ifndef RS_FONT_H
#define RS_FONT_H

#include <iostream>

#include "rs_blocklist.h"
#include "rs_string.h"
#include "rs_stringlist.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 RS_String& name, bool owner=true);
    //RS_Font(const char* name);

    /** @return the fileName of this font. */
    RS_String getFileName() const {
        return fileName;
    }
	
    /** @return the encoding of this font. */
    RS_String getEncoding() const {
        return encoding;
    }
	
    /** @return the alternative names of this font. */
    const RS_StringList& getNames() const {
        return names;
    }
	
    /** @return the author(s) of this font. */
    const RS_StringList& 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();

	// Wrappers for block list (letters) functions
	RS_BlockList* getLetterList() {
		return &letterList;
	}
    RS_Block* findLetter(const RS_String& name) {
		return letterList.find(name);
	}
    uint countLetters() {
        return letterList.count();
    }
    RS_Block* letterAt(uint i) {
		return letterList.at(i);
	}

    friend std::ostream& operator << (std::ostream& os, const RS_Font& l);

    friend class RS_FontList;

private:
	//! block list (letters)
	RS_BlockList letterList;

    //! Font file name
    RS_String fileName;
	
    //! Font encoding (see docu for QTextCodec)
    RS_String encoding;

	//! Font names
	RS_StringList names;
	
	//! Authors
	RS_StringList 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