/// <summary>
/// Do any command-specific drawing.
/// </summary>
/// <param name="point">The specific point (if any) that the parent window has drawn.</param>
internal override void Paint(PointFeature point)
{
HighlightStyle style = new HighlightStyle();
if (m_Orient != null)
{
style.ShowLineEndPoints = false;
m_Orient.Render(ActiveDisplay, style);
}
if (m_IsAutoPos && m_Polygon!=null)
{
if (m_AutoPosition==null)
m_AutoPosition = m_Polygon.GetLabelPosition(Width, Height);
DrawText(m_AutoPosition);
}
else
base.Paint(point);
if (IsValidPolygon())
{
m_Polygon.Render(ActiveDisplay, style);
// If the polygon actually contains a label that is drawn on the current editing
// layer, take this opportunity to draw it in gray.
TextFeature label = m_Polygon.Label;
if (label!=null)
label.Draw(ActiveDisplay, Color.Gray);
}
}
/// <summary>
/// Does any painting that this dialog does.
/// </summary>
/// <param name="display">The display to draw to</param>
internal void Render(ISpatialDisplay display)
{
// Draw the original path (in pale gray)
IDrawStyle gray = new DrawStyle(Color.LightGray);
m_pop.Render(display, gray, true);
// Draw the current path (in magenta).
PathInfo p = new PathInfo(m_pop.StartPoint, m_pop.EndPoint, GetLegs());
p.Render(display);
// Highlight the currently selected line.
int index = distancesListBox.SelectedIndex;
if (index >= 0 && index < m_FaceSections.Length)
{
IDrawStyle style = new HighlightStyle();
ILineGeometry geom = m_FaceSections[index];
if (geom is IClockwiseCircularArcGeometry)
style.Render(display, (IClockwiseCircularArcGeometry)geom);
else
style.Render(display, new IPosition[] { geom.Start, geom.End });
}
}
/// <summary>
/// Draws the limit line (if it contains at least 2 positions)
/// </summary>
/// <param name="display">The display to draw to</param>
internal void Render(ISpatialDisplay display)
{
if (m_Limit==null || m_Limit.Count==0 || m_Mouse==null)
return;
// Draw dotted line from the last point on the limit line to the last known mouse position
int lastIndex = m_Limit.Count-1;
IPosition last = m_Limit[lastIndex];
DottedStyle dottedLine = new DottedStyle(Color.Gray);
dottedLine.Render(display, new IPosition[] { last, m_Mouse });
// If we have two or more positions, draw an additional dotted line to the start of
// the limit line.
if (m_Limit.Count>=2)
dottedLine.Render(display, new IPosition[] { m_Mouse, m_Limit[0] });
// Draw the limit line
if (m_Limit.Count>1)
dottedLine.Render(display, m_Limit.ToArray());
// Draw any limit line selection
if (m_LimSel.Count>0)
{
HighlightStyle style = new HighlightStyle();
style.ShowLineEndPoints = false;
new SpatialSelection(m_LimSel).Render(display, style);
}
}
/// <summary>
/// Highlights a line.
/// </summary>
/// <param name="line">The line to highlight</param>
void Highlight(LineFeature line)
{
ISpatialDisplay display = ActiveDisplay;
// Create thick pen (we want a line that is 1mm wide, corresponding
// to the pick aperture).
DrawStyle style = new HighlightStyle();
style.LineColor = m_LineColor;
double scale = display.MapScale;
float pxwid = display.LengthToDisplay(scale*0.001);
style.Pen.Width = pxwid;
// Do the draw
line.Render(display, style);
}
