// Description:
//   Just like a Bitmap Collection but tailored for a bitmap font.
//
// Copyright (C) 2001 Frank Becker
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free Software
// Foundation;  either version 2 of the License,  or (at your option) any  later
// version.
//
// This program is distributed in the hope that it will be useful,  but  WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
//
#ifndef _GLBitmapFont_hpp_
#define _GLBitmapFont_hpp_

#include <GLBitmapCollection.hpp>

class GLBitmapFont: public GLBitmapCollection
{
public:
    GLBitmapFont( void):
        GLBitmapCollection() 
    {
	for( int i=0; i<256; i++)
	{
	    _charInfo[ i] = ~0;
	}
    } 
    virtual ~GLBitmapFont()
    {
    }

    //Draw a string at (x,y) scaled by [scalex,scaley]
    void DrawString( 
        const char *s, float x, float y, float scalex, float scaley);

    //Determine width of string (doesn't take TABs into account, yet!)
    float GetWidth( const char *s, float scalex);

    float GetHeight( float scaley);

    //Load bitmap and data files for font
    virtual bool Load( const char *bitmapFile, const char *dataFile);

private:
    GLBitmapFont( const GLBitmapFont&);
    GLBitmapFont &operator=(const GLBitmapFont&);

    int _totalHeight;
    unsigned int _charInfo[ 256];
};

#endif