StaticFont.h

#ifndef STATICFONT_H
#define STATICFONT_H
/*
  GUIDO Library
  Copyright (C) 2019    Grame
 
  This Source Code Form is subject to the terms of the Mozilla Public
  License, v. 2.0. If a copy of the MPL was not distributed with this
  file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
  Grame Research Laboratory, 11, cours de Verdun Gensoul 69002 Lyon - France
  research@grame.fr
 
*/
 
#include <string>
#include <map>
 
#include "VGFont.h"
 
#ifdef SMUFL
#define kMaxTblIndex    3647
#else
#define kMaxTblIndex    256
#endif
 
class StaticFont : public VGFont
{
   public:
                 StaticFont(const char * name, int size, int properties)
                            : fName(name), fSize(size), fProperties(properties) {}
        virtual ~StaticFont() { }
 
        const char *    GetName() const         { return fName.c_str(); }
        int             GetSize() const         { return fSize; }
        int             GetProperties() const   { return fProperties; }
 
        virtual void    GetExtent( const char * s, int inCharCount, float * outWidth, float * outHeight, VGDevice * context ) const;
        virtual void    GetExtent( int c, float * outWidth, float * outHeight, VGDevice * context ) const;
 
    protected:
        int         fExtends[kMaxTblIndex+1];   // the static extend values
        float       fRefSize=1;     // the font size used to compute the extends map
        int         fHeight=1;      // the static height value
        int         fTblOffset=0;
 
        virtual void initialize() = 0;      // must initialize the fExtends maps, the height and the ref size
 
        inline float    GetExtend (int c) const
            {  int i=c-fTblOffset; return ((i >= 0) && (i <= kMaxTblIndex)) ? fExtends[i] : 0.f; }
 
        std::string fName;          // the font name
        int         fSize;          // the font size
        int         fProperties;    // the font properties
};
 
#endif