/// <summary>
/// Draws the text that is currently being added, together with a rectangle representing
/// the outline of the label.
/// </summary>
/// <param name="refpos">Reference position for the label</param>
protected void DrawText(IPosition refpos)
{
if (refpos == null)
{
return;
}
// Draw the outline of the label.
IPosition[] outline = GetOutline(refpos);
IDrawStyle style = new DrawStyle(); // black
style.Render(ActiveDisplay, outline);
// Draw the text
PointGeometry p = PointGeometry.Create(refpos);
IFont font = (m_Entity == null ? null : m_Entity.Font);
MiscTextGeometry text = new MiscTextGeometry(m_Text, p, font, m_Height, m_Width, (float)m_Rotation);
style.Render(ActiveDisplay, text);
// If doing auto-angle stuff, draw an additional line
// at the position used to search for candidate lines
// ... perhaps (the auto-angle stuff needs to move to
// this class from CuiNewLabel)
// Remember the specified position as the "last" position.
m_LastPos = refpos;
}
private Feature ImportName(Ntx.Name name, Operation creator)
{
/*
// Get pointer to the applicable map theme
CeTheme theme(Name.GetTheme());
CeTheme* pTheme = theme.AddTheme();
// Get pointer to the entity type.
GRAPHICSTYPE geom = ANNOTATION;
if ( Name.IsLabel() ) geom = POLYGON;
CeEntity* pEntity = AddEntity(Name.GetpFeatureCode(),pTheme,geom);
*/
IEntity entity = GetEntityType(name, SpatialType.Text);
// Get the text string
string text = name.Text;
// Get the position of the centre of the 1st character
Ntx.Position pos = name.Position(0);
IPosition vcentre = new Position(pos.Easting, pos.Northing);
// Get text metrics
float height = name.Height;
float spacing = name.Spacing;
float rotation = name.Rotation;
// Calculate the top left corner of the first character using
// the text metrics we just got ...
// Get the width of the first character. For names that contain
// only one character, the spacing we have will be zero, so in
// that case, deduce the width of the character via the covering
// rectangle.
float charwidth = spacing;
if (charwidth < Constants.TINY)
{
// Get the covering rectangle.
Ntx.Position nw = name.NorthWest;
Ntx.Position se = name.SouthEast;
// And get the dimensions.
double dx = se.Easting - nw.Easting;
double dy = nw.Northing - se.Northing;
// If the cover is screwed up, assume the width is 80% of the text height.
if (dy < Constants.TINY)
charwidth = (float)(height * 0.8);
else
charwidth = (float)(height * (dx/dy));
}
// Define the bearing from bottom to top of the text.
double vbear = (double)rotation;
// Get position directly above the centre of the 1st char.
IPosition above = Geom.Polar(vcentre, vbear, 0.5 * (double)height);
// Define the bearing from the point we just got to the
// start of the text string.
double hbear = vbear - Constants.PIDIV2;
// Back up half a character to get the initial corner.
PointGeometry topleft = new PointGeometry(Geom.Polar(above, hbear, 0.5 * (double)charwidth));
IFont font = null;
double width = (double)text.Length * charwidth;
TextFeature result = null;
if (name.IsLabel)
{
// Create key text
string keystr = name.Text;
KeyTextGeometry kt = new KeyTextGeometry(topleft, font, height, width, rotation);
InternalIdValue id = CadastralMapModel.Current.WorkingSession.AllocateNextId();
result = new TextFeature(creator, id, entity, kt);
kt.Label = result;
result.SetTopology(true);
// Define the label's foreign ID and form a two-way association
ForeignId fid = GetFeatureId(keystr);
Debug.Assert(fid != null);
fid.Add(result);
// Remember the reference position of the label.
Ntx.Position xp = name.RefPosition;
IPointGeometry pp = new PointGeometry(xp.Easting, xp.Northing);
result.SetPolPosition(pp);
}
else
{
// Create a miscellaneous text label.
MiscTextGeometry mt = new MiscTextGeometry(text, topleft, font, height, width, rotation);
InternalIdValue id = CadastralMapModel.Current.WorkingSession.AllocateNextId();
result = new TextFeature(creator, id, entity, mt);
result.SetTopology(false);
}
return result;
}
/// <summary>
/// Draws the text that is currently being added, together with a rectangle representing
/// the outline of the label.
/// </summary>
/// <param name="refpos">Reference position for the label</param>
protected void DrawText(IPosition refpos)
{
if (refpos==null)
return;
// Draw the outline of the label.
IPosition[] outline = GetOutline(refpos);
IDrawStyle style = new DrawStyle(); // black
style.Render(ActiveDisplay, outline);
// Draw the text
PointGeometry p = PointGeometry.Create(refpos);
IFont font = (m_Entity==null ? null : m_Entity.Font);
MiscTextGeometry text = new MiscTextGeometry(m_Text, p, font, m_Height, m_Width, (float)m_Rotation);
style.Render(ActiveDisplay, text);
// If doing auto-angle stuff, draw an additional line
// at the position used to search for candidate lines
// ... perhaps (the auto-angle stuff needs to move to
// this class from CuiNewLabel)
// Remember the specified position as the "last" position.
m_LastPos = refpos;
}