ossimGdBitmapFont.h

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//*******************************************************************
//
// License:  See top level LICENSE.txt file.
// 
// Author: Garrett Potts
// Description: 
// 
//********************************************************************
// $Id: ossimGdBitmapFont.h 9968 2006-11-29 14:01:53Z gpotts $
#ifndef ossimGdBitmapFont_HEADER
#define ossimGdBitmapFont_HEADER
#include <ossim/font/ossimFont.h>

struct ossimGdFont
{
    /* # of characters in font */
    int nchars;
    /* First character is numbered... (usually 32 = space) */
    int offset;
    /* Character width and height */
    int w;
    int h;
    /* Font data; array of characters, one row after another.
        Easily included in code, also easily loaded from
        data files. */
    char *data;
};
typedef ossimGdFont* ossimGdFontPtr;

class ossimGdBitmapFont : public ossimFont
{
public:
   
   ossimGdBitmapFont(const ossimString& familyName,
                     const ossimString& styleName,
                     const ossimGdFont* gdFontPtr);

   ossimGdBitmapFont(const ossimGdBitmapFont& rhs);
   virtual ~ossimGdBitmapFont();

   virtual ossimObject* dup()const
      {
         return new ossimGdBitmapFont(*this);
      }
   virtual const ossim_uint8* getBuf()const
      {
         return theOutputBuffer;
      }
   virtual const ossim_uint8* rasterize();
   virtual void getBoundingBox(ossimIrect& box);
   bool isFixed()const
      {
         return true;
      }
   
   virtual void getFixedSizes(vector<ossimIpt>& sizes)const;

protected:
   const ossimGdFont* theGdFontPtr;

   long         theBufferSize;
   ossim_uint8* theOutputBuffer;

   void getActualScale(ossimDpt& scales)const;

   void rasterizeNormal();
   void allocateBuffer();

TYPE_DATA
};

#endif