color(input_image, color_name, output_image)

% COLOR : Changes the color from RGB to one color
%
% Syntax: color(input_image_name, color_name, output_image_name)
% Colors : red, green, blue, yellow, cyan, magneta
% Example: color('Input.jpg','magneta','Output.jpg');

function color(input_image, color_name, output_image)

switch(color_name)
    case ('red')
        color_num=1;
    case ('green')
        color_num=2;
    case ('blue')
        color_num=3;
    case ('yellow')
        color_num=4;
    case ('cyan')
        color_num=5;
    case ('magneta')
        color_num=6;
end
img=imread(input_image);
dion=[1 0 0 ; 0 1 0 ; 0 0 1 ; 1 1 0 ; 0 1 1 ; 1 0 1];
img(:,:,~dion(color_num,:))=0;
imwrite(uint8(img),output_image);