#ifndef __VGA__H__
#define __VGA__H__

typedef struct {
    enum MODE_TYPES {
        TextMode = 0,
        GraphicsMode = 1
    };
    /**Defines the mode returned by BIOS int 0x10, ah = 0xF*/
    unsigned char Mode;
    /**Text mode or Graphic mode (defined in MODE_TYPES enumeration)*/
    unsigned char ModeType;

    /**Screen size (characters in text modes, pixels in graphic modes)*/
    unsigned Width, Height;

    /**Bits per pixel*/
    unsigned bpp;

    /**Pointer to a function that sets the cursor position*/
    void (*SetCursor) (int wherex, int wherey);
    /**Pointer to a function that prints an ascii character in a specified position*/
    void (*PutChar) (int wherex, int wherey, unsigned char character);
    /**Pointer to a function that returns the ascii character in the specified position*/
    unsigned char (*GetChar) (int wherex, int wherey);

    /**Pointer to a function which plots a pixel on the screen. Should be set NULL in text modes.
     \nColor is a void pointer, to ensure compatibility with different colors.*/
    void (*PutPixel) (int wherex, int wherey, void* color);

    /**Pointer to a function which returns the color of a pixel on the screen. Should be set NULL in text modes.
     \nReturn is a void pointer, to ensure compatibility with different colors.*/
    void* (*GetPixel) (int wherex, int wherey);
    
} VideoMode;

#endif