public void TestLineWrap()
{
var testLine = "01";
IAnsiDecoder vt100 = new AnsiDecoder();
vt100.Encoding = Encoding.UTF8;
DynamicScreen screen;
// If a file has a single \n in it, it has two lines.
screen = new DynamicScreen(testLine.Length);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes("\n"));
Assert.AreEqual(2, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
// If a file has a one line that is small + a \n in it, it has two lines.
screen = new DynamicScreen(testLine.Length);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"0\n"));
Assert.AreEqual(2, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
// If a file has a one line that fits + a \n in it, it has two lines.
screen = new DynamicScreen(testLine.Length);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"{testLine}\n"));
Assert.AreEqual(2, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
// A full width line, one line
screen = new DynamicScreen(testLine.Length);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes(testLine));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(1, screen.Lines.Count);
// Two full width lines, two lines
screen = new DynamicScreen(testLine.Length);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"{testLine}\n{testLine}"));
Assert.AreEqual(2, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
// wrapping scenarios
// a full width line + 1 char, two lines
screen = new DynamicScreen(testLine.Length);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes(testLine + "!"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
// one full width line + one full width line + 1 char, three lines
screen = new DynamicScreen(testLine.Length);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"{testLine}\n{testLine}!"));
Assert.AreEqual(2, screen.NumLines);
Assert.AreEqual(3, screen.Lines.Count);
}
public void ReadAndRenderFile(string _filename)
{
IAnsiDecoder vt100 = new AnsiDecoder();
//vt100.Encoding = encodingInfo.GetEncoding (); // encodingInfo.Name, new EncoderExceptionFallback(), new DecoderReplacementFallback ("U") );
Screen screen = new Screen(80, 160);
vt100.Subscribe(screen);
using (BinaryReader reader = new BinaryReader(File.Open(_filename, FileMode.Open)))
{
try
{
int read = 0;
while ((read = reader.Read()) != -1)
{
vt100.Input(new byte[] { (byte)read });
}
}
catch (EndOfStreamException)
{
}
}
System.Console.Write(screen.ToString());
Bitmap bitmap = screen.ToBitmap(new Font("Courier New", 10));
bitmap.Save(_filename + ".png", System.Drawing.Imaging.ImageFormat.Png);
}
public AnsiTextBox() : base()
{
vt100 = new AnsiDecoder();
screenS = new ScreenStream();
screenS.InjectTo = vt100;
vt100.Encoding = System.Text.Encoding.GetEncoding("ASCII");
vt100.Subscribe(this);
}
// Example:
// [01musing[00m [38;2;85;85;85mSystem[39m;
// | 1 | 2 | 3 | 4
// <bold>using</bold><normal> </normal><color>System</color><normal>;</normal>
public void TestAttributeRuns()
{
IAnsiDecoder vt100 = new AnsiDecoder();
vt100.Encoding = Encoding.UTF8;
DynamicScreen screen;
screen = new DynamicScreen(100);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes("[01musing[00m [38;2;85;85;85mSystem[39m;"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(1, screen.Lines.Count);
Assert.AreEqual(4, screen.Lines[0].Runs.Count);
Screen.Character c;
// Test using grid based API
c = screen[0, 0];
Assert.AreEqual('u', c.Char);
Assert.AreEqual(true, c.Attributes.Bold);
Assert.AreEqual(Color.White, c.Attributes.ForegroundColor);
c = screen[1, 0];
Assert.AreEqual('s', c.Char);
Assert.AreEqual(true, c.Attributes.Bold);
Assert.AreEqual(Color.White, c.Attributes.ForegroundColor);
c = screen[2, 0];
Assert.AreEqual('i', c.Char);
Assert.AreEqual(true, c.Attributes.Bold);
Assert.AreEqual(Color.White, c.Attributes.ForegroundColor);
c = screen[3, 0];
Assert.AreEqual('n', c.Char);
Assert.AreEqual(true, c.Attributes.Bold);
Assert.AreEqual(Color.White, c.Attributes.ForegroundColor);
c = screen[4, 0];
Assert.AreEqual('g', c.Char);
Assert.AreEqual(true, c.Attributes.Bold);
Assert.AreEqual(Color.White, c.Attributes.ForegroundColor);
c = screen[5, 0];
Assert.AreEqual(' ', c.Char);
Assert.AreEqual(false, c.Attributes.Bold);
Assert.AreEqual(Color.White, c.Attributes.ForegroundColor);
c = screen[6, 0];
Assert.AreEqual('S', c.Char);
Assert.AreEqual(false, c.Attributes.Bold);
Assert.AreEqual(Color.FromArgb(85, 85, 85), c.Attributes.ForegroundColor);
// Test using Run-based API
var run = screen.Lines[0].Runs[0];
Assert.AreEqual("using", screen.Lines[0].Text[run.Start..(run.Start + run.Length)]);
protected void UnRegisterForAnsiEventsFrom(AnsiDecoder decoder)
{
decoder.SaveCursor -= SaveCursor;
decoder.RestoreCursor -= RestoreCursor;
decoder.MoveCursor -= MoveCursor;
decoder.MoveCursorTo -= MoveCursorTo;
decoder.MoveCursorToColumn -= MoveCursorToColumn;
decoder.MoveCursorToBeginningOfLineBelow -= MoveCursorToBeginningOfLineBelow;
decoder.MoveCursorToBeginningOfLineAbove -= MoveCursorToBeginningOfLineAbove;
decoder.ClearScreen -= ClearScreen;
decoder.ClearLine -= ClearLine;
decoder.SetGraphicRendition -= SetGraphicRendition;
decoder.ModeChanged -= ModeChanged;
decoder.GetSize -= GetSize;
decoder.GetCursorPosition -= GetCursorPosition;
}
protected void RegisterForAnsiEventsFrom(AnsiDecoder decoder)
{
decoder.SaveCursor += SaveCursor;
decoder.RestoreCursor += RestoreCursor;
decoder.MoveCursor += MoveCursor;
decoder.MoveCursorTo += MoveCursorTo;
decoder.MoveCursorToColumn += MoveCursorToColumn;
decoder.MoveCursorToBeginningOfLineBelow += MoveCursorToBeginningOfLineBelow;
decoder.MoveCursorToBeginningOfLineAbove += MoveCursorToBeginningOfLineAbove;
decoder.ClearScreen += ClearScreen;
decoder.ClearLine += ClearLine;
decoder.SetGraphicRendition += SetGraphicRendition;
decoder.ModeChanged += ModeChanged;
decoder.GetSize += GetSize;
decoder.GetCursorPosition += GetCursorPosition;
}
public Screen ReadAndRenderFile(string _filename, Encoding _encoding, Size _size)
{
IAnsiDecoder vt100 = new AnsiDecoder();
//vt100.Encoding = Encoding.GetEncoding ( encodingInfo.Name, new EncoderExceptionFallback(), new DecoderReplacementFallback ("U") );
vt100.Encoding = _encoding;
Screen screen = new Screen(_size.Width, _size.Height);
vt100.Subscribe(screen);
using (Stream stream = File.Open(_filename, FileMode.Open))
{
try
{
int read = 0;
while ((read = stream.ReadByte()) != -1)
{
vt100.Input(new byte[] { (byte)read });
}
}
catch (EndOfStreamException)
{
}
}
//System.Console.Write ( screen.ToString() );
Bitmap bitmap = screen.ToBitmap(new Font("Courier New", 6));
bitmap.Save("..\\build\\" + Path.GetFileNameWithoutExtension(_filename) + "_" + _encoding.EncodingName + ".png", System.Drawing.Imaging.ImageFormat.Png);
/*
* foreach ( Screen.Character ch in screen )
* {
* if ( ch.Char != 0x20 )
* {
* System.Console.WriteLine ( "Non-space character: {0} 0x{1:X4}", ch.Char, (int) ch.Char );
* }
* }
*/
return(screen);
}
public void TestTabs()
{
IAnsiDecoder vt100 = new AnsiDecoder();
vt100.Encoding = Encoding.UTF8;
DynamicScreen screen;
screen = new DynamicScreen(4);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes("\t"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(1, screen.Lines.Count);
Assert.AreEqual(1, screen.Lines[0].Runs.Count);
Assert.AreEqual(screen.TabSpaces, screen.Lines[0].Text.Length);
screen = new DynamicScreen(4);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"012\t"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(1, screen.Lines.Count);
Assert.AreEqual(2, screen.Lines[0].Runs.Count);
Assert.AreEqual(screen.TabSpaces, screen.Lines[0].Text.Length);
// \t
// 012
screen = new DynamicScreen(4);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"\t012"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
Assert.AreEqual(1, screen.Lines[0].Runs.Count);
Assert.AreEqual(screen.TabSpaces, screen.Lines[0].Text.Length);
// 0\t
// 12
screen = new DynamicScreen(4);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"0\t12"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
Assert.AreEqual(2, screen.Lines[0].Runs.Count);
Assert.AreEqual(screen.TabSpaces, screen.Lines[0].Text.Length);
// 01\t
// 2
screen = new DynamicScreen(4);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"01\t2"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
Assert.AreEqual(2, screen.Lines[0].Runs.Count);
Assert.AreEqual(screen.TabSpaces, screen.Lines[0].Text.Length);
// 0123
// \t
screen = new DynamicScreen(4);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"0123\t"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
Assert.AreEqual(1, screen.Lines[0].Runs.Count);
Assert.AreEqual(1, screen.Lines[1].Runs.Count);
Assert.AreEqual(screen.TabSpaces, screen.Lines[0].Text.Length);
// 0123
// 4\t
screen = new DynamicScreen(4);
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"01234\t"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
Assert.AreEqual(1, screen.Lines[0].Runs.Count);
Assert.AreEqual(1, screen.Lines[0].Runs.Count);
Assert.AreEqual(4, screen.Lines[0].Text.Length);
Assert.AreEqual(screen.TabSpaces, screen.Lines[1].Text.Length);
// Odd TabSpaces
screen = new DynamicScreen(3);
screen.TabSpaces = 3;
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes("\t"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(1, screen.Lines.Count);
Assert.AreEqual(1, screen.Lines[0].Runs.Count);
Assert.AreEqual(screen.TabSpaces, screen.Lines[0].Text.Length);
screen = new DynamicScreen(3);
screen.TabSpaces = 3;
vt100.Subscribe(screen);
vt100.Input(Encoding.UTF8.GetBytes($"023\t"));
Assert.AreEqual(1, screen.NumLines);
Assert.AreEqual(2, screen.Lines.Count);
Assert.AreEqual(1, screen.Lines[0].Runs.Count);
Assert.AreEqual(screen.TabSpaces, screen.Lines[0].Text.Length);
}
static int Main(string[] args)
{
string inputFilename = null;
string outputFilename = null;
int width = 80;
int height = 25;
string fontName = "Courier New";
int fontSize = 6;
string encoding = "ibm437";
for (int i = 0; i < args.Length; i++)
{
switch (args[i])
{
case "-w":
i++;
width = Int32.Parse(args[i]);
break;
case "-h":
i++;
height = Int32.Parse(args[i]);
break;
case "-f":
i++;
fontName = args[i];
break;
case "-s":
i++;
fontSize = Int32.Parse(args[i]);
break;
case "-e":
i++;
encoding = args[i];
break;
default:
if (inputFilename == null)
{
inputFilename = args[i];
}
else if (outputFilename == null)
{
outputFilename = args[i];
}
else
{
System.Console.WriteLine("Unrecognized command line parameter ({0}): {1}", i, args[i]);
}
break;
}
}
if (inputFilename == null || outputFilename == null)
{
System.Console.WriteLine("Syntax:");
System.Console.WriteLine(" {0} [-w width] [-h height] [-f fontName] [-s fontSize] [-e encoding] <input.txt> <output.png>", System.Reflection.Assembly.GetCallingAssembly().GetName().Name);
return(-1);
}
IAnsiDecoder vt100 = new AnsiDecoder();
Screen screen = new Screen(width, height);
vt100.Encoding = Encoding.GetEncoding(encoding);
vt100.Subscribe(screen);
using (Stream stream = File.Open(inputFilename, FileMode.Open))
{
int read = 0;
while ((read = stream.ReadByte()) != -1)
{
vt100.Input(new byte[] { (byte)read });
}
}
Bitmap bitmap = screen.ToBitmap(new Font(fontName, fontSize));
bitmap.Save(outputFilename, System.Drawing.Imaging.ImageFormat.Png);
return(0);
}
