private static void Annotate(XGraphics graphics, Palette palette, LineSegment lineSegment, TextBlock text, StringAlignment alignment)
{
Vector point;
var delta = lineSegment.Delta;
switch (alignment)
{
case StringAlignment.Near:
default:
point = lineSegment.Start;
delta.Negate();
break;
case StringAlignment.Center:
point = lineSegment.Mid;
break;
case StringAlignment.Far:
point = lineSegment.End;
break;
}
var bounds = new Rect(point, Vector.Zero);
bounds.Inflate(Settings.TextOffsetFromConnection);
var angle = (float)-(Math.Atan2(delta.Y, delta.X) / Math.PI * 180.0);
var compassPoint = CompassPoint.East;
if (Numeric.InRange(angle, 0, 45))
{
compassPoint = CompassPoint.NorthWest;
}
else if (Numeric.InRange(angle, 45, 90))
{
compassPoint = CompassPoint.SouthEast;
}
else if (Numeric.InRange(angle, 90, 135))
{
compassPoint = CompassPoint.SouthWest;
}
else if (Numeric.InRange(angle, 135, 180))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, 0, -45))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, -45, -90))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, -90, -135))
{
compassPoint = CompassPoint.NorthWest;
}
else if (Numeric.InRange(angle, -135, -180))
{
compassPoint = CompassPoint.SouthEast;
}
var pos = bounds.GetCorner(compassPoint);
var format = new XStringFormat();
Drawing.SetAlignmentFromCardinalOrOrdinalDirection(format, compassPoint);
if (alignment == StringAlignment.Center && Numeric.InRange(angle, -10, 10))
{
// HACK: if the line segment is pretty horizontal and we're drawing mid-line text,
// move text below the line to get it out of the way of any labels at the ends,
// and center the text so it fits onto a line between two proximal rooms.
pos = bounds.GetCorner(CompassPoint.South);
format.Alignment = XStringAlignment.Center;
format.LineAlignment = XLineAlignment.Near;
}
if (!Settings.DebugDisableTextRendering)
{
text.Draw(graphics, Settings.LineFont, palette.LineTextBrush, pos, Vector.Zero, format);
}
}
public override void Draw(XGraphics graphics, Palette palette, DrawingContext context)
{
Random random = new Random(Name.GetHashCode());
var topLeft = InnerBounds.GetCorner(CompassPoint.NorthWest);
var topRight = InnerBounds.GetCorner(CompassPoint.NorthEast);
var bottomLeft = InnerBounds.GetCorner(CompassPoint.SouthWest);
var bottomRight = InnerBounds.GetCorner(CompassPoint.SouthEast);
var top = new LineSegment(topLeft, topRight);
var right = new LineSegment(topRight, bottomRight);
var bottom = new LineSegment(bottomRight, bottomLeft);
var left = new LineSegment(bottomLeft, topLeft);
context.LinesDrawn.Add(top);
context.LinesDrawn.Add(right);
context.LinesDrawn.Add(bottom);
context.LinesDrawn.Add(left);
var brush = context.Selected ? palette.BorderBrush : palette.FillBrush;
if (!Settings.DebugDisableLineRendering)
{
var path = palette.Path();
Drawing.AddLine(path, top, random);
Drawing.AddLine(path, right, random);
Drawing.AddLine(path, bottom, random);
Drawing.AddLine(path, left, random);
graphics.DrawPath(brush, path);
if (IsDark)
{
var state = graphics.Save();
graphics.IntersectClip(path);
brush = context.Selected ? palette.FillBrush : palette.BorderBrush;
graphics.DrawPolygon(brush, new PointF[] { topRight.ToPointF(), new PointF(topRight.X - Settings.DarknessStripeSize, topRight.Y), new PointF(topRight.X, topRight.Y + Settings.DarknessStripeSize) }, XFillMode.Alternate);
graphics.Restore(state);
}
graphics.DrawPath(palette.BorderPen, path);
}
var font = Settings.LargeFont;
brush = context.Selected ? palette.FillBrush : palette.LargeTextBrush;
Rect textBounds = InnerBounds;
textBounds.Inflate(-5, -5);
if (textBounds.Width > 0 && textBounds.Height > 0)
{
m_name.Draw(graphics, font, brush, textBounds.Position, textBounds.Size, XStringFormats.Center);
}
var expandedBounds = InnerBounds;
expandedBounds.Inflate(Settings.ObjectListOffsetFromRoom, Settings.ObjectListOffsetFromRoom);
var drawnObjectList = false;
font = Settings.SmallFont;
brush = palette.SmallTextBrush;
if (!string.IsNullOrEmpty(Objects))
{
XStringFormat format = new XStringFormat();
Vector pos = expandedBounds.GetCorner(m_objectsPosition);
if (!Drawing.SetAlignmentFromCardinalOrOrdinalDirection(format, m_objectsPosition))
{
// object list appears inside the room below its name
format.LineAlignment = XLineAlignment.Far;
format.Alignment = XStringAlignment.Near;
//format.Trimming = StringTrimming.EllipsisCharacter;
//format.FormatFlags = StringFormatFlags.LineLimit;
var height = InnerBounds.Height / 2 - font.Height / 2;
var bounds = new Rect(InnerBounds.Left + Settings.ObjectListOffsetFromRoom, InnerBounds.Bottom - height, InnerBounds.Width - Settings.ObjectListOffsetFromRoom, height - Settings.ObjectListOffsetFromRoom);
brush = context.Selected ? palette.FillBrush : brush;
if (bounds.Width > 0 && bounds.Height > 0)
{
m_objects.Draw(graphics, font, brush, bounds.Position, bounds.Size, format);
}
drawnObjectList = true;
}
else if (m_objectsPosition == CompassPoint.North || m_objectsPosition == CompassPoint.South)
{
pos.X += Settings.ObjectListOffsetFromRoom;
}
if (!drawnObjectList)
{
m_objects.Draw(graphics, font, brush, pos, Vector.Zero, format);
}
}
}
