/// <summary>
/// Writes a string of text at the desired X/Y coordinate with the given text attribute.
///
/// FastWrite is not window-relative, and it does not wrap text that goes beyond the right edge of the screen.
/// </summary>
/// <param name="text">The text to write</param>
/// <param name="column">The 1-based column to start the text</param>
/// <param name="row">The 1-based row to start the text</param>
/// <param name="attribute">The text attribute to colour the text</param>
public static void FastWrite(string text, int column, int row, int attribute)
{
lock (_Lock)
{
if ((column <= _ScreenSize.X) && (row <= _ScreenSize.Y))
{
if (OSUtils.IsWindows)
{
NativeMethods.CHAR_INFO[] Buffer = new NativeMethods.CHAR_INFO[text.Length];
for (int i = 0; i < text.Length; i++)
{
Buffer[i].Attributes = (ushort)attribute;
Buffer[i].AsciiChar = text[i];
}
NativeMethods.COORD BufferCoord = new NativeMethods.COORD();
BufferCoord.X = 0;
BufferCoord.Y = 0;
NativeMethods.COORD BufferSize = new NativeMethods.COORD();
BufferSize.X = (short)text.Length;
BufferSize.Y = 1;
NativeMethods.SMALL_RECT WriteRegion = new NativeMethods.SMALL_RECT();
WriteRegion.Bottom = (short)(row - 1);
WriteRegion.Left = (short)(column - 1);
WriteRegion.Right = (short)((column - 1) + text.Length);
WriteRegion.Top = (short)(row - 1);
NativeMethods.WriteConsoleOutput(_StdOutputHandle, Buffer, BufferSize, BufferCoord, ref WriteRegion);
}
else
{
try
{
int OldX = Console.CursorLeft;
int OldY = Console.CursorTop;
ConsoleColor OldFore = Console.ForegroundColor;
ConsoleColor OldBack = Console.BackgroundColor;
Console.SetCursorPosition(column - 1, row - 1);
//Console.ForegroundColor =
GetConsoleColour(attribute % 16);
//Console.BackgroundColor =
GetConsoleColour(attribute / 16);
Console.Write(text);
// TODO Keep text in buffer for SaveScreen() and RestoreScreen()
Console.SetCursorPosition(OldX, OldY);
Console.ForegroundColor = OldFore;
Console.BackgroundColor = OldBack;
}
catch (NotImplementedException)
{
// Can't do that
}
}
}
}
}
/// <summary>
/// Scrolls the given window up the given number of lines (leaving blank lines at the bottom), filling the void with the given character with the given text attribute
/// </summary>
/// <param name="AX1">The 0-based left column of the window</param>
/// <param name="AY1">The 0-based top row of the window</param>
/// <param name="AX2">The 0-based right column of the window</param>
/// <param name="AY2">The 0-based bottom row of the window</param>
/// <param name="ALines">The number of lines to scroll</param>
/// <param name="ACh">The character to fill the void with</param>
/// <param name="AAttr">The text attribute to fill the void with</param>
private static void ScrollUpCustom(int AX1, int AY1, int AX2, int AY2, int ALines, char ACh, int AAttr)
{
lock (_Lock)
{
if (OSUtils.IsWindows)
{
NativeMethods.SMALL_RECT ClipRectangle = new NativeMethods.SMALL_RECT();
ClipRectangle.Bottom = (short)AY2;
ClipRectangle.Left = (short)AX1;
ClipRectangle.Right = (short)AX2;
ClipRectangle.Top = (short)AY1;
NativeMethods.CHAR_INFO Fill = new NativeMethods.CHAR_INFO();
Fill.AsciiChar = ACh;
Fill.Attributes = (ushort)AAttr;
NativeMethods.SMALL_RECT ScrollRectangle = ClipRectangle;
NativeMethods.COORD DestinationOrigin = new NativeMethods.COORD();
DestinationOrigin.X = (short)AX1;
DestinationOrigin.Y = (short)(AY1 - ALines);
NativeMethods.ScrollConsoleScreenBuffer(_StdOutputHandle, ref ScrollRectangle, ref ClipRectangle, DestinationOrigin, ref Fill);
}
else
{
try
{
Console.MoveBufferArea(AX1, AY1, AX2, AY2, AX1, AY1 - ALines, ' ', GetConsoleColour(_TextAttr % 16), GetConsoleColour(_TextAttr / 16));
}
catch (NotImplementedException)
{
try
{
int OldX = Console.CursorLeft;
int OldY = Console.CursorTop;
Console.SetCursorPosition(0, _ScreenSize.Y - 1);
for (int i = 0; i < ALines; i++) Console.WriteLine();
Console.SetCursorPosition(OldX, OldY);
}
catch (NotImplementedException)
{
// Can't do that
}
}
}
}
}
/// <summary>
/// Scrolls the given window down the given number of lines (leaving blank lines at the top), filling the void with the given character with the given text attribute
/// </summary>
/// <param name="AX1">The 0-based left column of the window</param>
/// <param name="AY1">The 0-based top row of the window</param>
/// <param name="AX2">The 0-based right column of the window</param>
/// <param name="AY2">The 0-based bottom row of the window</param>
/// <param name="ALines">The number of lines to scroll</param>
/// <param name="ACh">The character to fill the void with</param>
/// <param name="AAttr">The text attribute to fill the void with</param>
private static void ScrollDownCustom(int AX1, int AY1, int AX2, int AY2, int ALines, char ACh, int AAttr)
{
lock (_Lock)
{
if (OSUtils.IsWindows)
{
NativeMethods.COORD DestinationOrigin = new NativeMethods.COORD();
DestinationOrigin.X = (short)AX1;
DestinationOrigin.Y = (short)(AY1 + ALines);
NativeMethods.CHAR_INFO Fill = new NativeMethods.CHAR_INFO();
Fill.AsciiChar = ACh;
Fill.Attributes = (ushort)AAttr;
NativeMethods.SMALL_RECT ScrollRectangle = new NativeMethods.SMALL_RECT();
ScrollRectangle.Bottom = (short)(AY2 - ALines);
ScrollRectangle.Left = (short)AX1;
ScrollRectangle.Right = (short)AX2;
ScrollRectangle.Top = (short)AY1;
NativeMethods.ScrollConsoleScreenBuffer(_StdOutputHandle, ref ScrollRectangle, IntPtr.Zero, DestinationOrigin, ref Fill);
}
else
{
try
{
Console.MoveBufferArea(AX1, AY1, AX2, AY2 - ALines, AX1, AY1 + ALines, ' ', GetConsoleColour(_TextAttr % 16), GetConsoleColour(_TextAttr / 16));
}
catch (NotImplementedException)
{
// Can't do that
}
}
}
}
public static void SetWindowSize(int columns, int rows)
{
lock (_Lock)
{
// Set the new console screen buffer size
_ScreenSize.X = (short)columns;
_ScreenSize.Y = (short)rows;
if (OSUtils.IsWindows)
{
NativeMethods.SetConsoleScreenBufferSize(_StdOutputHandle, _ScreenSize);
}
else
{
try
{
Console.SetBufferSize(_ScreenSize.X, _ScreenSize.Y);
}
catch (NotImplementedException)
{
// Can't do that
}
}
// And make the actual window size match the new buffer size
NativeMethods.SMALL_RECT ConsoleWindow = new NativeMethods.SMALL_RECT();
ConsoleWindow.Left = 0;
ConsoleWindow.Top = 0;
ConsoleWindow.Right = (short)(columns - 1);
ConsoleWindow.Bottom = (short)(rows - 1);
if (OSUtils.IsWindows)
{
NativeMethods.SetConsoleWindowInfo(_StdOutputHandle, true, ref ConsoleWindow);
}
else
{
try
{
Console.SetWindowSize(_ScreenSize.X, _ScreenSize.Y);
}
catch (NotImplementedException)
{
// Can't do that
}
}
// Update the WindMin/WindMax records
WindMin = 0;
WindMax = (_ScreenSize.X - 1) | ((_ScreenSize.Y - 1) << 8);
}
}
public static NativeMethods.CHAR_INFO[] SaveScreen(int left, int top, int right, int bottom)
{
lock (_Lock)
{
if (OSUtils.IsWindows)
{
NativeMethods.COORD BufferSize = new NativeMethods.COORD();
BufferSize.X = (short)(right - left + 1);
BufferSize.Y = (short)(bottom - top + 1);
NativeMethods.CHAR_INFO[] Buffer = new NativeMethods.CHAR_INFO[BufferSize.X * BufferSize.Y];
NativeMethods.COORD BufferCoord = new NativeMethods.COORD();
BufferCoord.X = 0;
BufferCoord.Y = 0;
NativeMethods.SMALL_RECT ReadRegion = new NativeMethods.SMALL_RECT();
ReadRegion.Left = (short)(left - 1);
ReadRegion.Top = (short)(top - 1);
ReadRegion.Right = (short)(right - 1);
ReadRegion.Bottom = (short)(bottom - 1);
NativeMethods.ReadConsoleOutput(_StdOutputHandle, Buffer, BufferSize, BufferCoord, ref ReadRegion);
return Buffer;
}
else
{
// TODO Save from buffer
return null;
}
}
}
public static void RestoreScreen(NativeMethods.CHAR_INFO[] buffer, int left, int top, int right, int bottom)
{
lock (_Lock)
{
if (OSUtils.IsWindows)
{
NativeMethods.COORD BufferCoord = new NativeMethods.COORD();
BufferCoord.X = 0;
BufferCoord.Y = 0;
NativeMethods.COORD BufferSize = new NativeMethods.COORD();
BufferSize.X = (short)(right - left + 1);
BufferSize.Y = (short)(bottom - top + 1);
NativeMethods.SMALL_RECT WriteRegion = new NativeMethods.SMALL_RECT();
WriteRegion.Left = (short)(left - 1);
WriteRegion.Top = (short)(top - 1);
WriteRegion.Right = (short)(right - 1);
WriteRegion.Bottom = (short)(bottom - 1);
NativeMethods.WriteConsoleOutput(_StdOutputHandle, buffer, BufferSize, BufferCoord, ref WriteRegion);
}
else
{
if (buffer != null)
{
// TODO Restore from buffer
}
}
}
}
