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#ifndef _INC_EKU_IO_CONCOL
#define _INC_EKU_IO_CONCOL
/*Header file to color text and background in windows console applications
Global variables - textcol,backcol,deftextcol,defbackcol,colorprotect*/
#include<windows.h>
#include<iosfwd>
namespace eku
{
#ifndef CONCOL
#define CONCOL
enum concol
{
black=0,
dark_blue=1,
dark_green=2,
dark_aqua,dark_cyan=3,
dark_red=4,
dark_purple=5,dark_pink=5,dark_magenta=5,
dark_yellow=6,
dark_white=7,
gray=8,
blue=9,
green=10,
aqua=11,cyan=11,
red=12,
purple=13,pink=13,magenta=13,
yellow=14,
white=15
};
#endif //CONCOL
HANDLE std_con_out;
//Standard Output Handle
bool colorprotect=false;
//If colorprotect is true, background and text colors will never be the same
concol textcol,backcol,deftextcol,defbackcol;
/*textcol - current text color
backcol - current back color
deftextcol - original text color
defbackcol - original back color*/
inline void update_colors()
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo(std_con_out,&csbi);
textcol = concol(csbi.wAttributes & 15);
backcol = concol((csbi.wAttributes & 0xf0)>>4);
}
inline void setcolor(concol textcolor,concol backcolor)
{
if(colorprotect && textcolor==backcolor)return;
textcol=textcolor;backcol=backcolor;
unsigned short wAttributes=((unsigned int)backcol<<4) | (unsigned int)textcol;
SetConsoleTextAttribute(std_con_out,wAttributes);
}
inline void settextcolor(concol textcolor)
{
if(colorprotect && textcolor==backcol)return;
textcol=textcolor;
unsigned short wAttributes=((unsigned int)backcol<<4) | (unsigned int)textcol;
SetConsoleTextAttribute(std_con_out,wAttributes);
}
inline void setbackcolor(concol backcolor)
{
if(colorprotect && textcol==backcolor)return;
backcol=backcolor;
unsigned short wAttributes=((unsigned int)backcol<<4) | (unsigned int)textcol;
SetConsoleTextAttribute(std_con_out,wAttributes);
}
inline void concolinit()
{
std_con_out=GetStdHandle(STD_OUTPUT_HANDLE);
update_colors();
deftextcol=textcol;defbackcol=backcol;
}
template<class elem,class traits>
inline std::basic_ostream<elem,traits>& operator<<(std::basic_ostream<elem,traits>& os,concol col)
{os.flush();settextcolor(col);return os;}
template<class elem,class traits>
inline std::basic_istream<elem,traits>& operator>>(std::basic_istream<elem,traits>& is,concol col)
{
std::basic_ostream<elem,traits>* p=is.tie();
if(p!=NULL)p->flush();
settextcolor(col);
return is;
}
} //end of namespace eku
#endif //_INC_EKU_IO_CONCOL
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