/////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Puts character at some position, optionally joining it with underlying
/// box characters if it itself is a box character.
/// </summary>
///
public void PutBox(int x, int y, char character, BoxLines join)
{
x += this.offset.X;
y += this.offset.Y;
if (x < this.clipStart.X || x >= this.clipEnd.X)
{
return;
}
if (y < this.clipStart.Y || y >= this.clipEnd.Y)
{
return;
}
IsRowDirty[y] = true;
if (join == BoxLines.Joined &&
Box.IsPrivateUnicode(Area[y, x].Character))
{
int box1 = Box.GetBoxBits(Area[y, x].Character);
int box2 = Box.GetBoxBits(character);
Area[y, x].Character = Box.GetAsPrivateUnicode(box1 | box2);
Area[y, x].ForeColor = Screen.ForeColor;
Area[y, x].BackColor = Screen.BackColor;
}
else
{
Area[y, x].Character = character;
Area[y, x].ForeColor = Screen.ForeColor;
Area[y, x].BackColor = Screen.BackColor;
}
}
/////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Draws frame (rectangle) in the buffer.
/// </summary>
///
public void DrawFrame(
int left, int top, int width, int height,
BoxLines connect = BoxLines.NotJoined
)
{
if (Buffer != null)
{
Buffer.DrawRectangle(left, top, width, height, connect);
Invalidate();
}
}
/// <summary>
/// Draws a vertical line. Private method.
/// </summary>
///
private void DrawVertical(int left, int top, int height,
BoxLines connect = BoxLines.NotJoined)
{
for (int i = 0; i < height; ++i)
{
char boxElement = i == 0 ? Box._sDss
: i == height - 1 ? Box._Usss
: Box._UDss;
Buffer.PutBox(left, top + i, boxElement, connect);
}
}
/////////////////////////////////////////////////////////////////////////////////
#region [ Private Methods used by DrawRectangle ]
/// <summary>
/// Draws a horizontal line. Private method.
/// </summary>
///
private void DrawHorizontal(int left, int top, int width,
BoxLines connect = BoxLines.NotJoined)
{
for (int i = 0; i < width; ++i)
{
char boxElement = i == 0 ? Box._sssR
: i == width - 1 ? Box._ssLs
: Box._ssLR;
Buffer.PutBox(left + i, top, boxElement, connect);
}
}
/////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Draws a rectangle, which edges may be optionally joined (connected
/// when crossing) with existing lines in the screen buffer.
/// </summary>
///
public void DrawRectangle(
int left, int top, int width, int height,
BoxLines connect = BoxLines.NotJoined
)
{
if (height == 1 && width == 1)
{
Buffer.Put(left, top, Box.Rectangle);
}
else if (height == 1)
{
DrawHorizontal(left, top, width, connect);
}
else if (width == 1)
{
DrawVertical(left, top, height, connect);
}
else if (connect == BoxLines.Joined)
{
// Draw top & bottom horizontal edge
//
DrawHorizontal(left, top, width, connect);
DrawHorizontal(left, top + height - 1, width, connect);
// Draw left & right vertical edge
//
DrawVertical(left, top, height, connect);
DrawVertical(left + width - 1, top, height, connect);
}
else
{
// Draw top & left edges
//
Put(left, top, Box._sDsR);
Put(left, top + height - 1, Box._UssR);
DrawHorizontal(left + 1, top, width - 2);
DrawVertical(left, top + 1, height - 2);
// Draw bottom & right edges
//
Put(left + width - 1, top + height - 1, Box._UsLs);
Put(left + width - 1, top, Box._sDLs);
DrawHorizontal(left + 1, top + height - 1, width - 2);
DrawVertical(left + width - 1, top + 1, height - 2);
}
}
public BoxLines[] FitOntoBoxes(string[] lines)
{
List <BoxLines> boxes = new List <BoxLines>();
BoxLines workingBox = new BoxLines();
foreach (string line in lines)
{
string workingLine = line;
if (workingLine.Length > 1)
{
if (workingLine.Last() == SEGMENT_SEPERATOR)
{
workingLine = workingLine.Substring(0, workingLine.Length - 1);
}
if (workingLine.Last() != CHOSEN_NEWLINE)
{
workingLine = workingLine + CHOSEN_NEWLINE;
}
}
if (workingBox.IsFull)
{
boxes.Add(workingBox);
workingBox = new BoxLines();
}
if (workingBox.TotalSize + workingLine.Length > BOX_MAX_LENGTH)
{
boxes.Add(workingBox);
workingBox = new BoxLines();
}
workingBox.AddLine(workingLine);
}
if (!workingBox.IsEmpty)
{
boxes.Add(workingBox);
}
return(boxes.ToArray());
}
