getbkcolor() function in C

The header file graphics.h contains getbkcolor() function which returns the current background color.

Syntax :

int getbkcolor();

As getbkcolor() returns an integer value corresponding to the background color, so below is the table for Color values.
Colors Table :



COLOR               INT VALUES
-------------------------------
BLACK                   0
BLUE                    1
GREEN                   2
CYAN                    3   
RED                     4
MAGENTA                 5
BROWN                   6 
LIGHTGRAY               7 
DARKGRAY                8
LIGHTBLUE               9
LIGHTGREEN             10
LIGHTCYAN              11
LIGHTRED               12
LIGHTMAGENTA           13
YELLOW                 14
WHITE                  15

When the background color is black:

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code

// C Implementation for getbkcolor function
#include <graphics.h>
#include <stdio.h>
  
// driver code
int main()
{
    // gm is Graphics mode which is
    // a computer display mode that
    // generates image using pixels.
    // DETECT is a macro defined in
    // "graphics.h" header file
    int gd = DETECT, gm;
    char arr[100];
  
    // initgraph initializes the
    // graphics system by loading a
    // graphics driver from disk
    initgraph(&gd, &gm, "");
  
    // sprintf stands for “String print”.
    // Instead of printing on console, it
    // store output on char buffer which
    // are specified in sprintf
    sprintf(arr, "Current background color = %d",
                                 getbkcolor());
  
    // outtext function displays text
    // at current position.
    outtextxy(10, 10, arr);
  
    getch();
  
    // closegraph function closes the
    // graphics mode and deallocates
    // all memory allocated by
    // graphics system .
    closegraph();
  
    return 0;
}

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Output :


When the background color is other than black:

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brightness_4
code

// C Implementation for getbkcolor function
#include <graphics.h>
#include <stdio.h>
  
// driver code
int main()
{
    // gm is Graphics mode which is
    // a computer display mode that
    // generates image using pixels.
    // DETECT is a macro defined in
    // "graphics.h" header file
    int gd = DETECT, gm;
    char arr[100];
  
    // initgraph initializes the
    // graphics system by loading a
    // graphics driver from disk
    initgraph(&gd, &gm, "");
  
    // set background color as RED
    setbkcolor(RED);
  
    // sprintf stands for “String print”.
    // Instead of printing on console, it
    // store output on char buffer which
    // are specified in sprintf
    sprintf(arr, "Current background color = %d"
                                 getbkcolor());
  
    // outtext function displays text
    // at current position.
    outtextxy(10, 10, arr);
  
    getch();
  
    // closegraph function closes the
    // graphics mode and deallocates
    // all memory allocated by
    // graphics system .
    closegraph();
  
    return 0;
}

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Output :




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