背景色的问题

Question

turboc下有
清屏函数
clrscr();
和
void textbackground(int color);在c++里有没有
如果有包含在哪个头文件里？
没有的话 c++是如何设置背景色的？

Answer 1

#include "wingdi.h"COLORREF SetBkColor(
  HDC hdc,           // handle of device context
  COLORREF crColor   // background color value
);

Answer 2

HDC hdc,   
 COLORREF crColor    
代表什么？

Answer 3

//
// Clears the screen
//
void clrscr()
{
COORD coordScreen = { 0, 0 }; 
DWORD cCharsWritten; 
CONSOLE_SCREEN_BUFFER_INFO csbi; 
DWORD dwConSize; 
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE); 
  
GetConsoleScreenBufferInfo(hConsole, &csbi); 
dwConSize = csbi.dwSize.X * csbi.dwSize.Y; 
FillConsoleOutputCharacter(hConsole, TEXT(' '), dwConSize, coordScreen, &cCharsWritten); 
GetConsoleScreenBufferInfo(hConsole, &csbi); 
FillConsoleOutputAttribute(hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten); 
SetConsoleCursorPosition(hConsole, coordScreen); 
}//
// Set text and background colors
//
void setrgb(int color)
{
switch (color)
{
case 0: // White on Black
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_INTENSITY |
FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
break;
case 1: // Red on Black
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_INTENSITY |
FOREGROUND_RED);
break;
case 2: // Green on Black
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_INTENSITY |
FOREGROUND_GREEN);
break;
case 3: // Yellow on Black
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_INTENSITY |
FOREGROUND_RED | FOREGROUND_GREEN);
break;
case 4: // Blue on Black
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_INTENSITY |
FOREGROUND_BLUE);
break;
case 5: // Magenta on Black
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_INTENSITY |
FOREGROUND_RED | FOREGROUND_BLUE);
break;
case 6: // Cyan on Black
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_INTENSITY |
FOREGROUND_GREEN | FOREGROUND_BLUE);
break;
case 7: // Black on Gray
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
BACKGROUND_INTENSITY);
break;
case 8: // Black on White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
FOREGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
break;
case 9: // Red on White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
FOREGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE |
FOREGROUND_RED);
break;
case 10: // Green on White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
FOREGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE |
FOREGROUND_GREEN);
break;
case 11: // Yellow on White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
FOREGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE |
FOREGROUND_RED | FOREGROUND_GREEN);
break;
case 12: // Blue on White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
FOREGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE |
FOREGROUND_BLUE);
break;
case 13: // Magenta on White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
FOREGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE |
FOREGROUND_RED | FOREGROUND_BLUE);
break;
case 14: // Cyan on White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
FOREGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE |
FOREGROUND_GREEN | FOREGROUND_BLUE);
break;
case 15: // White on White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),BACKGROUND_INTENSITY |
FOREGROUND_INTENSITY | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE |
FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
break;
default : // White on Black
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),FOREGROUND_INTENSITY |
FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
break;
}
}