Write functions to implement the "Fill Color" feature supported by many picture editing software

Enum Color
{
Black,white,red,yellow,green
}
Boolean Paintfill (color[][] screen,int x,int y,color ocolor,color ncolor)
{
if (x<0| | x>=screen[0].length| | y<0| | Y>=screen.length)
{
return false;
}
if (Screen[y][x]==ocolor)
{
Screen[y][x]=ncolor;
Paintfill (Screen,x-1,y,ocolor,ncolor);//Left
Paintfill (Screen,x+1,y,ocolor,ncolor);//Right
Paintfill (Screen,x,y-1,ocolor,ncolor);//On
Paintfill (Screen,x,y+1,ocolor,ncolor);//Lower
}
return true;
}
Boolean Paintfill (color [] screen,int x,int y, color ncolor)
{
if (Screen[y][x]==ncolor) return false;
Return Paintfill (Screen,x,y,screen[y][x],ncolor);
}

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Write functions to implement the "Fill Color" feature supported by many picture editing software