LASiWrapper.h

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//
// This file is part of the MADELINE 2 program 
// written by Edward H. Trager, Ritu Khanna and Adrian Marrs
// Copyright (c) 2005 by the
// Regents of the University of Michigan.
// All Rights Reserved.
// 
// The latest version of this program is available from:
// 
//   http://eyegene.ophthy.med.umich.edu/madeline/
//   
// Released under the GNU General Public License.
// A copy of the GPL is included in the distribution
// package of this software, or see:
// 
//   http://www.gnu.org/copyleft/
//   
// ... for licensing details.
// 
//
// 2007.03.28.RK.
//

//
// LASiWrapper.h
//
// -- Wraps LASi methods and postscript document giving the user the flexibility
// to compile without LASi, Pango and Freetype2
// 
#ifndef LASiWrapper_INCLUDED
#define LASiWrapper_INCLUDED

#include <iostream>
//
// For font metrics
// and Postscript output:
// 
#ifdef LASI
#include <LASi.h>
#endif
#include "DrawingMetrics.h"

class LASiWrapper{
        
private: 
        #ifdef LASI
        LASi::PostscriptDocument _doc1;
        #endif
        double _yMaximum;
        double _yMinimum;
        double _lineHeight;
        double _avgCharWidth;
public:
        LASiWrapper(){
                // Set constant values for lineHeight, yMaximum and yMinimum if the application is compiled without LASi 
                #ifndef LASI
                        _lineHeight = 13.75;
                        _yMinimum = -1.87184;
                        _yMaximum = 6.84582;
                        _avgCharWidth = 6.0;
                #endif
        }
        
        void setFont(const char* font);
        void setFontSize(double fontSize);
        void getDimensions(std::string sampleString,double* lineHeight,double* xAdvance, double* yMinimum, double* yMaximum);
        
};

#endif

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