/// <summary>
/// DynamicMap AfterDynamicDraw event handler method
/// </summary>
/// <param name="DynamicMapDrawPhase"></param>
/// <param name="Display"></param>
/// <param name="dynamicDisplay"></param>
private void OnAfterDynamicDraw(esriDynamicMapDrawPhase DynamicMapDrawPhase, IDisplay Display, IDynamicDisplay dynamicDisplay)
{
try
{
if (DynamicMapDrawPhase != esriDynamicMapDrawPhase.esriDMDPDynamicLayers)
{
return;
}
//make sure that the display is valid as well as that the layer is visible
if (null == dynamicDisplay || null == Display)
{
return;
}
tagRECT rect = Display.DisplayTransformation.get_DeviceFrame();
float rotation = (float)Display.DisplayTransformation.Rotation;
if (m_bOnce)
{
//need to cache all the DynamicDisplay stuff
m_dynamicGlyphFactory = dynamicDisplay.DynamicGlyphFactory;
m_dynamicDrawScreen = (IDynamicDrawScreen)dynamicDisplay;
m_dynamicSymbolProps = (IDynamicSymbolProperties)dynamicDisplay;
//set the screen coordinates of the char symbol
m_point = new ESRI.ArcGIS.Geometry.PointClass();
CreateDynamicGlyphs(m_dynamicGlyphFactory);
m_bOnce = false;
}
//draw the OpenGL compass
GL.glPushMatrix();
GL.glLoadIdentity();
//use OpenGL to do the drawings
DrawTicks(rect, rotation);
GL.glPopMatrix();
//please note that while you are rotating the map, the numbers showing in the HUD are
//different than the number reported by the rotation tool. The reason for that is that
//the reported map rotation is the mathematical angle while the HUD shows the angle from
//the north (the map's azimuth).
DrawAzimuths(rect, rotation);
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message, "ERROR", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
}
/// <summary>
/// Creates the dynamic glyph used to draw the numbers in the HUD
/// </summary>
/// <param name="pDynamicGlyphFactory"></param>
private void CreateDynamicGlyphs(IDynamicGlyphFactory pDynamicGlyphFactory)
{
try
{
//create the text glyph using a text symbol
ITextSymbol textSymbol = new TextSymbolClass();
textSymbol.Size = 15.0;
textSymbol.Angle = 0.0;
textSymbol.VerticalAlignment = esriTextVerticalAlignment.esriTVACenter;
textSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHACenter;
textSymbol.Font = ESRI.ArcGIS.ADF.Connection.Local.Converter.ToStdFont(new Font("Arial", 15.0f, FontStyle.Regular));
m_textGlyph = pDynamicGlyphFactory.CreateDynamicGlyph((ISymbol)textSymbol);
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}
private void DrawDynamicLogo(IDynamicDisplay dynamicDisplay)
{
if (m_bOnce)
{
//cast the DynamicDisplay into DynamicGlyphFactory
m_dynamicGlyphFactory = dynamicDisplay.DynamicGlyphFactory;
//cast the DynamicDisplay into DynamicSymbolProperties
m_dynamicSymbolProps = dynamicDisplay as IDynamicSymbolProperties;
m_dynamicDrawScreen = dynamicDisplay as IDynamicDrawScreen;
//create the dynamic glyph for the logo
m_logoGlyph = m_dynamicGlyphFactory.CreateDynamicGlyphFromFile(esriDynamicGlyphType.esriDGlyphMarker, m_logoPath, ESRI.ArcGIS.ADF.Connection.Local.Converter.ToRGBColor(Color.White));
m_point = new PointClass();
m_point.PutCoords(120, 160);
m_bOnce = false;
}
m_dynamicSymbolProps.set_DynamicGlyph(esriDynamicSymbolType.esriDSymbolMarker, m_logoGlyph);
m_dynamicSymbolProps.SetScale(esriDynamicSymbolType.esriDSymbolMarker, .435f, .435f);
m_dynamicDrawScreen.DrawScreenMarker(m_point);
}
private void DrawDynamicLogo(IDynamicDisplay dynamicDisplay)
{
if (m_bOnce)
{
//cast the DynamicDisplay into DynamicGlyphFactory
m_dynamicGlyphFactory = dynamicDisplay.DynamicGlyphFactory;
//cast the DynamicDisplay into DynamicSymbolProperties
m_dynamicSymbolProps = dynamicDisplay as IDynamicSymbolProperties;
m_dynamicDrawScreen = dynamicDisplay as IDynamicDrawScreen;
//create the dynamic glyph for the logo
m_logoGlyph = m_dynamicGlyphFactory.CreateDynamicGlyphFromFile(esriDynamicGlyphType.esriDGlyphMarker, m_logoPath, ESRI.ArcGIS.ADF.Connection.Local.Converter.ToRGBColor(Color.White));
m_point = new PointClass();
m_point.PutCoords(120, 160);
m_bOnce = false;
}
m_dynamicSymbolProps.set_DynamicGlyph(esriDynamicSymbolType.esriDSymbolMarker, m_logoGlyph);
m_dynamicSymbolProps.SetScale(esriDynamicSymbolType.esriDSymbolMarker, .435f, .435f);
m_dynamicDrawScreen.DrawScreenMarker(m_point);
}
public override void DrawDynamicLayer(esriDynamicDrawPhase DynamicDrawPhase, IDisplay Display, IDynamicDisplay DynamicDisplay)
{
if (DynamicDrawPhase != esriDynamicDrawPhase.esriDDPImmediate)
{
return;
}
if (!m_bValid || !m_visible)
{
return;
}
IEnvelope visibleExtent = Display.DisplayTransformation.FittedBounds;
if (m_bOnce)
{
IDynamicGlyphFactory dynamicGlyphFactory = DynamicDisplay.DynamicGlyphFactory;
m_dynamicSymbolProps = DynamicDisplay as IDynamicSymbolProperties2;
ICharacterMarkerSymbol markerSymbol = new CharacterMarkerSymbolClass();
markerSymbol.Font = ESRI.ArcGIS.ADF.Connection.Local.Converter.ToStdFont(new Font("ESRI Default Marker", 25.0f, FontStyle.Bold));
markerSymbol.Size = 25.0;
// set the symbol color to white
markerSymbol.Color = (IColor)ESRI.ArcGIS.ADF.Connection.Local.Converter.ToRGBColor(Color.FromArgb(255, 255, 255));
markerSymbol.CharacterIndex = 92;
// create the dynamic glyph
m_myGlyph = dynamicGlyphFactory.CreateDynamicGlyph((ISymbol)markerSymbol);
Random r = new Random();
double X = visibleExtent.XMin + r.NextDouble() * visibleExtent.Width;
double Y = visibleExtent.YMin + r.NextDouble() * visibleExtent.Height;
m_point = new PointClass();
m_point.PutCoords(X, Y);
m_stepX = visibleExtent.Width / 250;
m_stepY = visibleExtent.Height / 250;
// start the update timer
m_updateTimer.Enabled = true;
m_bOnce = false;
}
// draw the marker
m_dynamicSymbolProps.set_DynamicGlyph(esriDynamicSymbolType.esriDSymbolMarker, m_myGlyph);
m_dynamicSymbolProps.SetColor(esriDynamicSymbolType.esriDSymbolMarker, 1.0f, 0.0f, 0.0f, 1.0f);
m_dynamicSymbolProps.SetScale(esriDynamicSymbolType.esriDSymbolMarker, 1.0f, 1.0f);
DynamicDisplay.DrawMarker(m_point);
// update the point location for the next draw cycle
m_point.X += m_stepX;
m_point.Y += m_stepY;
// make sure that the point fall within the visible extent
if (m_point.X > visibleExtent.XMax)
{
m_stepX = -Math.Abs(m_stepX);
}
if (m_point.X < visibleExtent.XMin)
{
m_stepX = Math.Abs(m_stepX);
}
if (m_point.Y > visibleExtent.YMax)
{
m_stepY = -Math.Abs(m_stepY);
}
if (m_point.Y < visibleExtent.YMin)
{
m_stepY = Math.Abs(m_stepY);
}
// set the dirty flag to false since drawing is done.
base.m_bIsImmediateDirty = false;
}
