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Scratch / objgfx / objfont.h
#ifndef OBJFONT_H
#define OBJFONT_H

#include "objgfx30.h"

#define LeftText   0
#define CenterText 1
#define RightText  2
#define BottomText 0
#define TopText    2

enum TFontType {BMF, DPF};

typedef 
  struct {
    char  ID[4];
    uInt8 BPP;
    uInt8 paddington[10];
  } TFontHeader;

typedef 
  struct {
    char  ID[3];
    uInt8 Version;
    uInt8 Width, Height;
    uInt8 NumOfChars;
    uInt8 StartingChar;
    uInt8 ColourType;
    uInt8 paddington[7];
  } TDPFHeader;

class TAbstractFont {
       public:
        virtual void putText(TGfx0&, Int32, Int32, const char *)=0;
        virtual bool loadFrom(const char *, uInt32)=0;
        virtual bool saveTo(const char *, Int32)=0;
};

class TFont : public TAbstractFont {
       protected:
        uInt32 FontDataIdx[256];
        uInt16 CharWidthTable[256];
        uInt16 CharHeightTable[256];
        TGfx0* Buf;
        uInt32 FontDataSize;
        void * FontData;
       public:
        TFont();
      //  virtual void PutText(Int32, Int32,const char *);
        void centerTextX(TGfx0&, Int32, const char *);
        void justifyText(TGfx0&, uInt8, uInt8, const char *);
	bool load(const char *);
        virtual bool loadFrom(const char *, uInt32);
	bool save(const char *);
      //  virtual bool SaveTo(const char *, Int32) = 0;
        uInt32 textHeight(const char *);
        uInt32 textWidth(const char *);
        virtual ~TFont(void); 
}; // TFont

class TBMFont : public TFont {
       protected:
        TRGB ColourTable[32];
       public:
        TBMFont(void): TFont() {
          for (uInt32 tmp=0; tmp<=31; tmp++) {
            ColourTable[tmp].red = 255;
            ColourTable[tmp].green = 255;
            ColourTable[tmp].blue = 255;
          } // for
        } 
        void setColor(uInt8, uInt8, uInt8);
        void setIdxColor(uInt8, uInt8, uInt8, uInt8);
        virtual void putText(TGfx0&, Int32, Int32, const char *);
};

class TDPFont : public TBMFont {
       protected:
        uInt8 Width, Height;
        uInt16 NumOfChars;
        uInt8 StartingChar;
       public:
        TDPFont(void) : TBMFont() {
          Width = 0;
          Height = 0;
          NumOfChars = 0;
          StartingChar = 0;
        }
        virtual void putText(TGfx0&, Int32, Int32, const char *);
        virtual bool loadFrom(const char *, uInt32);
        virtual bool saveTo(const char *, Int32);
};

#endif