public void Scale(IPoint Origin, double sx, double sy)
{
if (null != this.m_triangle)
{
((ITransform2D)this.m_triangle).Scale(Origin, sx, sy);
if (this.m_autoTrans)
{
LabelLineElementClass mSize = this;
mSize.m_size = mSize.m_size * Math.Max(sx, sy);
}
this.RefreshTracker();
}
}
public IClone Clone()
{
LabelLineElementClass labelLineElementClass = new LabelLineElementClass();
try
{
labelLineElementClass.Assign(this);
}
catch (Exception exception)
{
}
return(labelLineElementClass);
}
public void Transform(esriTransformDirection direction, ITransformation transformation)
{
if (null != this.m_triangle)
{
((ITransform2D)this.m_triangle).Transform(direction, transformation);
IAffineTransformation2D affineTransformation2D = (IAffineTransformation2D)transformation;
if (affineTransformation2D.YScale != 1)
{
LabelLineElementClass mSize = this;
mSize.m_size = mSize.m_size * Math.Max(affineTransformation2D.YScale, affineTransformation2D.XScale);
}
this.RefreshTracker();
}
}
private void SetupDeviceRatio(int hDC, IDisplay display)
{
if (display.DisplayTransformation != null)
{
if (display.DisplayTransformation.Resolution != 0)
{
this.m_dDeviceRatio = display.DisplayTransformation.Resolution / 72;
if (display.DisplayTransformation.ReferenceScale != 0)
{
this.m_dDeviceRatio = this.m_dDeviceRatio * display.DisplayTransformation.ReferenceScale /
display.DisplayTransformation.ScaleRatio;
}
}
}
else if (display.hDC == 0)
{
this.m_dDeviceRatio = (double)(1 / (this.TwipsPerPixelX() / 20));
}
else
{
this.m_dDeviceRatio = Convert.ToDouble(LabelLineElementClass.GetDeviceCaps(hDC, 88)) / 72;
}
}
public bool IsEqual(IClone other)
{
if (null == other)
{
throw new COMException("Invalid objact.");
}
if (!(other is LabelLineElementClass))
{
throw new COMException("Bad object type.");
}
LabelLineElementClass labelLineElementClass = (LabelLineElementClass)other;
return((!(labelLineElementClass.Name == this.m_elementName) ||
!(labelLineElementClass.Type == this.m_elementType) ||
labelLineElementClass.AutoTransform != this.m_autoTrans ||
labelLineElementClass.ReferenceScale != this.m_scaleRef ||
labelLineElementClass.AnchorPoint != this.m_anchorPointType ||
!((IClone)labelLineElementClass.Geometry).IsEqual((IClone)this.m_triangle) ||
!((IClone)labelLineElementClass.Symbol).IsEqual((IClone)this.m_fillSymbol)
? true
: !((IClone)labelLineElementClass.SpatialReference).IsEqual((IClone)this.m_nativeSR))
? false
: true);
}
public void Assign(IClone src)
{
if (null == src)
{
throw new COMException("Invalid objact.");
}
if (!(src is LabelLineElementClass))
{
throw new COMException("Bad object type.");
}
LabelLineElementClass labelLineElementClass = (LabelLineElementClass)src;
this.m_elementName = labelLineElementClass.Name;
this.m_elementType = labelLineElementClass.Type;
this.m_autoTrans = labelLineElementClass.AutoTransform;
this.m_scaleRef = labelLineElementClass.ReferenceScale;
this.m_anchorPointType = labelLineElementClass.AnchorPoint;
IObjectCopy objectCopyClass = new ObjectCopy();
if (null != labelLineElementClass.CustomProperty)
{
if (labelLineElementClass.CustomProperty is IClone)
{
this.m_customProperty = ((IClone)labelLineElementClass.CustomProperty).Clone();
}
else if (labelLineElementClass.CustomProperty is IPersistStream)
{
this.m_customProperty = objectCopyClass.Copy(labelLineElementClass.CustomProperty);
}
else if (labelLineElementClass.CustomProperty.GetType().IsSerializable)
{
MemoryStream memoryStream = new MemoryStream();
BinaryFormatter binaryFormatter = new BinaryFormatter();
binaryFormatter.Serialize(memoryStream, labelLineElementClass.CustomProperty);
memoryStream = new MemoryStream(memoryStream.ToArray());
this.m_customProperty = binaryFormatter.Deserialize(memoryStream);
}
}
if (null == labelLineElementClass.SpatialReference)
{
this.m_nativeSR = null;
}
else
{
this.m_nativeSR = objectCopyClass.Copy(labelLineElementClass.SpatialReference) as ISpatialReference;
}
if (null == labelLineElementClass.Symbol)
{
this.m_fillSymbol = null;
}
else
{
this.m_fillSymbol = (labelLineElementClass.Symbol as IClone).Clone() as ILineSymbol;
}
if (null == labelLineElementClass.Geometry)
{
this.m_triangle = null;
this.m_pointGeometry = null;
}
else
{
this.m_triangle = objectCopyClass.Copy(labelLineElementClass.Geometry) as IPolyline;
}
}