public static extern bool WriteConsoleOutputCore(IntPtr hConsoleOutput, CHAR_INFO[,] lpBuffer, COORD dwBufferSize,
COORD dwBufferCoord, ref SMALL_RECT lpWriteRegion);
/// <summary>
/// Writes collected data to console screen buffer, but paints specified rect only.
/// </summary>
public virtual void Flush(Rect affectedRect) {
if (stdOutputHandle != IntPtr.Zero) {
// we are in windows environment
SMALL_RECT rect = new SMALL_RECT((short) affectedRect.x, (short) affectedRect.y,
(short) (affectedRect.width + affectedRect.x), (short) (affectedRect.height + affectedRect.y));
if (!Win32.WriteConsoleOutputCore(stdOutputHandle, buffer, new COORD((short) size.Width, (short) size.Height),
new COORD((short) affectedRect.x, (short) affectedRect.y), ref rect)) {
throw new InvalidOperationException(string.Format("Cannot write to console : {0}", Win32.GetLastErrorMessage()));
}
} else {
// we are in linux
for (int i = 0; i < affectedRect.width; i++) {
int x = i + affectedRect.x;
for (int j = 0; j < affectedRect.height; j++) {
int y = j + affectedRect.y;
// todo : convert attributes and optimize rendering
bool fgIntensity;
short index = NCurses.winAttrsToNCursesAttrs(buffer[y, x].Attributes,
out fgIntensity);
if (fgIntensity) {
NCurses.attrset(
(int) (NCurses.COLOR_PAIR(index) | NCurses.A_BOLD));
} else {
NCurses.attrset(
(int) NCurses.COLOR_PAIR(index));
}
char outChar = buffer[y, x].UnicodeChar != '\0' ? (buffer[y, x].UnicodeChar) : ' ';
NCurses.mvaddstr(y, x, new string(outChar,1));
}
}
NCurses.refresh();
}
}
public static extern bool WriteConsoleOutputCore(IntPtr hConsoleOutput, CHAR_INFO[,] lpBuffer, COORD dwBufferSize,
COORD dwBufferCoord, ref SMALL_RECT lpWriteRegion);
