private void DrawHorizontalLine(Vec pos, int length, DrawBoxOptions options)
{
// figure out which glyphs to use
Glyph left = Glyph.BarRight;
Glyph middle = Glyph.BarLeftRight;
Glyph right = Glyph.BarLeft;
if ((options & DrawBoxOptions.DoubleLines) == DrawBoxOptions.DoubleLines)
{
middle = Glyph.BarDoubleLeftRight;
if ((options & DrawBoxOptions.ContinueLines) == DrawBoxOptions.ContinueLines)
{
left = Glyph.BarDoubleLeftRight;
right = Glyph.BarDoubleLeftRight;
}
else
{
left = Glyph.BarDoubleRight;
right = Glyph.BarDoubleLeft;
}
}
else
{
if ((options & DrawBoxOptions.ContinueLines) == DrawBoxOptions.ContinueLines)
{
left = Glyph.BarLeftRight;
right = Glyph.BarLeftRight;
}
}
// left edge
WriteLineChar(pos, left);
// right edge
WriteLineChar(pos.OffsetX(length - 1), right);
// middle
foreach (Vec iter in Rect.Row(pos.X + 1, pos.Y, length - 2))
{
WriteLineChar(iter, middle);
}
}
private void DrawVerticalLine(Vec pos, int length, DrawBoxOptions options)
{
// figure out which glyphs to use
Glyph top = Glyph.BarDown;
Glyph middle = Glyph.BarUpDown;
Glyph bottom = Glyph.BarUp;
if ((options & DrawBoxOptions.DoubleLines) == DrawBoxOptions.DoubleLines)
{
middle = Glyph.BarDoubleUpDown;
if ((options & DrawBoxOptions.ContinueLines) == DrawBoxOptions.ContinueLines)
{
top = Glyph.BarDoubleUpDown;
bottom = Glyph.BarDoubleUpDown;
}
else
{
top = Glyph.BarDoubleDown;
bottom = Glyph.BarDoubleUp;
}
}
else
{
if ((options & DrawBoxOptions.ContinueLines) == DrawBoxOptions.ContinueLines)
{
top = Glyph.BarUpDown;
bottom = Glyph.BarUpDown;
}
}
// top edge
WriteLineChar(pos, top);
// bottom edge
WriteLineChar(pos.OffsetY(length - 1), bottom);
// middle
foreach (Vec iter in Rect.Column(pos.X, pos.Y + 1, length - 2))
{
WriteLineChar(iter, middle);
}
}
public void DrawBox(DrawBoxOptions options)
{
Vec pos = Vec.Zero;
if (Size.X == 1)
{
DrawVerticalLine(pos, Size.Y, options);
}
else if (Size.Y == 1)
{
DrawHorizontalLine(pos, Size.X, options);
}
else
{
// figure out which glyphs to use
Glyph topLeft;
Glyph topRight;
Glyph bottomLeft;
Glyph bottomRight;
Glyph horizontal;
Glyph vertical;
if ((options & DrawBoxOptions.DoubleLines) == DrawBoxOptions.DoubleLines)
{
topLeft = Glyph.BarDoubleDownRight;
topRight = Glyph.BarDoubleDownLeft;
bottomLeft = Glyph.BarDoubleUpRight;
bottomRight = Glyph.BarDoubleUpLeft;
horizontal = Glyph.BarDoubleLeftRight;
vertical = Glyph.BarDoubleUpDown;
}
else
{
topLeft = Glyph.BarDownRight;
topRight = Glyph.BarDownLeft;
bottomLeft = Glyph.BarUpRight;
bottomRight = Glyph.BarUpLeft;
horizontal = Glyph.BarLeftRight;
vertical = Glyph.BarUpDown;
}
// top left corner
WriteLineChar(pos, topLeft);
// top right corner
WriteLineChar(pos.OffsetX(Size.X - 1), topRight);
// bottom left corner
WriteLineChar(pos.OffsetY(Size.Y - 1), bottomLeft);
// bottom right corner
WriteLineChar(pos + Size - 1, bottomRight);
// top and bottom edges
foreach (Vec iter in Rect.Row(pos.X + 1, pos.Y, Size.X - 2))
{
WriteLineChar(iter, horizontal);
WriteLineChar(iter.OffsetY(Size.Y - 1), horizontal);
}
// left and right edges
foreach (Vec iter in Rect.Column(pos.X, pos.Y + 1, Size.Y - 2))
{
WriteLineChar(iter, vertical);
WriteLineChar(iter.OffsetX(Size.X - 1), vertical);
}
}
}
