public Size GetConsoleWindowSize()
{
Debug.Assert(Win32Console.GetConsoleScreenBufferInfo(_screenBuffer, out Win32Console.CONSOLE_SCREEN_BUFFER_INFO csbi));
return(new Size(
csbi.srWindow.Right - csbi.srWindow.Left,
csbi.srWindow.Bottom - csbi.srWindow.Top));
}
public void Resize(int width, int height)
{
_display = new ScreenBuffer(this, width, height);
Backbuffer = new ScreenBuffer(this, width, height);
var newBuffer = Win32Console.CreateConsoleScreenBuffer(
Win32Console.GENERIC_READ | Win32Console.GENERIC_WRITE,
Win32Console.FILE_SHARE_READ,
IntPtr.Zero,
Win32Console.CONSOLE_TEXTMODE_BUFFER,
IntPtr.Zero);
Win32Console.SetConsoleScreenBufferSize(newBuffer, new Win32Console.COORD((short)width, (short)height));
var cci = new Win32Console.CONSOLE_CURSOR_INFO();
cci.dwSize = 100;
cci.bVisible = false;
Win32Console.SetConsoleCursorInfo(newBuffer, ref cci);
var cfi = new Win32Console.CONSOLE_FONT_INFOEX();
cfi.cbSize = Marshal.SizeOf(cfi);
cfi.nFont = 0;
cfi.dwFontSize = new Win32Console.COORD(8, 14);
cfi.FaceName = "Lucida Console";
cfi.FontFamily = 0;
cfi.FontWeight = 0;
Debug.Assert(Win32Console.SetCurrentConsoleFontEx(newBuffer, false, ref cfi));
Debug.Assert(Win32Console.SetConsoleActiveScreenBuffer(newBuffer));
if (_screenBuffer != IntPtr.Zero)
{
Debug.Assert(Win32Console.CloseHandle(_screenBuffer));
}
_screenBuffer = newBuffer;
}
public void Commit()
{
for (int y = 0; y < _display.Height; y++)
{
for (int x = 0; x < _display.Width; x++)
{
var i = y * _display.Width + x;
ref ScreenBufferCharacter displayChar = ref _display.Buffer[i];
ref ScreenBufferCharacter backbufferChar = ref Backbuffer.Buffer[i];
if (displayChar != backbufferChar)
{
displayChar = backbufferChar;
var ci = new Win32Console.CHAR_INFO();
ci.Character = (byte)displayChar.Character;
ci.Attributes = GetAttributesFromColors(displayChar.Foreground, displayChar.Background);
if (displayChar.Underline)
{
ci.Attributes |= Win32Console.COMMON_LVB_UNDERSCORE;
}
var ci_array = new Win32Console.CHAR_INFO[1] {
ci
};
var rc = new Win32Console.SMALL_RECT((short)x, (short)y, (short)(x + 1), (short)(y + 1));
Debug.Assert(Win32Console.WriteConsoleOutput(
_screenBuffer,
ci_array,
new Win32Console.COORD(1, 1), // dwBufferSize - width/height of the 2d ci_array
new Win32Console.COORD(), // dwBufferCoord
ref rc)); // lpWriteRegion - where to write to
}
}
public void Dispose()
{
Debug.Assert(Win32Console.SetConsoleActiveScreenBuffer(_defaultBuffer));
Debug.Assert(Win32Console.CloseHandle(_screenBuffer));
}
public ScreenBufferManager(int width, int height)
{
_defaultBuffer = Win32Console.GetStdHandle(Win32Console.STD_OUTPUT_HANDLE);
Resize(width, height);
}
