void Console::MoveCursorBy( const int x_inc, const int y_inc, bool wrap )
{
GetConsoleScreenBufferInfo(mConsoleHandle, &mConsoleInfo);
COORD current_position = mConsoleInfo.dwCursorPosition;
int new_x = current_position.X + x_inc;
int new_y = current_position.Y + y_inc;
if(wrap)
{
while(new_x < 0)
{
new_x = mConsoleInfo.dwSize.X + new_x;
}
while(new_y < 0)
{
new_y = mConsoleInfo.dwSize.Y + new_y;
}
new_x %= mConsoleInfo.dwSize.X;
new_y %= mConsoleInfo.dwSize.Y;
}
else
{
if(new_x > mConsoleInfo.dwSize.X) { new_x = mConsoleInfo.dwSize.X; }
if(new_y > mConsoleInfo.dwSize.Y) { new_y = mConsoleInfo.dwSize.Y; }
if(new_x < 0 ) { new_x = 0; }
if(new_y < 0) { new_y = 0; }
}
MoveCursorTo(new_x, new_y);
}
void Console::Clear( const int bg_colour )
{
assert((bg_colour >= 0 && bg_colour < 16) || bg_colour == -1);
// Number of cells in current buffer
int console_size = mConsoleInfo.dwSize.X * mConsoleInfo.dwSize.Y;
if(bg_colour != -1) SetBackgroundColour(bg_colour);
DWORD cCharsWritten;
COORD coordScreen = { 0, 0 };
GetConsoleScreenBufferInfo(mConsoleHandle, &mConsoleInfo);
// Fill screen with blanks
FillConsoleOutputCharacter( mConsoleHandle, (TCHAR) ' ',
console_size, coordScreen, &cCharsWritten );
// Set buffer attributes
FillConsoleOutputAttribute( mConsoleHandle, mConsoleInfo.wAttributes,
console_size, coordScreen, &cCharsWritten );
MoveCursorTo(0,0);
}
void SimpleConsole::MoveCursor()
{
MoveCursorTo( cursorX, cursorY );
memcpyw( video + cursorY * width, buffer+ cursorY * width , width); //刷新光标所在项
}
void Console::Print( const int x, const int y, const std::string& text )
{
MoveCursorTo(x, y);
cout << text;
}
