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;
}
/// <summary>
/// Draw the layer while in dynamic mode
/// </summary>
/// <param name="DynamicDrawPhase"></param>
/// <param name="Display"></param>
/// <param name="DynamicDisplay"></param>
public override void DrawDynamicLayer(esriDynamicDrawPhase DynamicDrawPhase, IDisplay Display, IDynamicDisplay DynamicDisplay)
{
if (DynamicDrawPhase != esriDynamicDrawPhase.esriDDPCompiled)
return;
if (!m_bValid || !m_visible)
return;
if (m_bDDOnce)
{
m_dynamicGlyphFactory = DynamicDisplay.DynamicGlyphFactory as IDynamicGlyphFactory2;
m_dynamicSymbolProperties = DynamicDisplay as IDynamicSymbolProperties2;
m_dynamicCompoundMarker = DynamicDisplay as IDynamicCompoundMarker2;
m_textGlyph = m_dynamicGlyphFactory.get_DynamicGlyph(1, esriDynamicGlyphType.esriDGlyphText, 1);
// create glyph for the selection symbol
if (m_selectionSymbol == null)
InitializeSelectionSymbol();
m_selectionGlyph = m_dynamicGlyphFactory.CreateDynamicGlyph(m_selectionSymbol);
m_bDDOnce = false;
}
m_display = Display;
double lat, lon;
int iconCode;
int iconWidth = 0;
bool selected;
IDynamicGlyph dynamicGlyph = null;
float symbolSized;
string citiName = string.Empty;
string temperature = string.Empty;
//loop through the rows. Draw each row that has a shape
foreach (DataRow row in m_table.Rows)
{
//get the Lat/Lon of the item
lat = Convert.ToDouble(row[3]);
lon = Convert.ToDouble(row[4]);
//get the icon ID
iconCode = Convert.ToInt32(row[8]);
// get citiname and temperature
citiName = Convert.ToString(row[2]);
temperature = string.Format("{0} F", row[5]);
//get the selection state of the item
selected = Convert.ToBoolean(row[13]);
//search for the symbol in the symbology table
dynamicGlyph = GetDynamicGlyph(m_dynamicGlyphFactory, iconCode, row, out iconWidth);
if (null == dynamicGlyph)
continue;
m_point.X = lon;
m_point.Y = lat;
m_point.SpatialReference = m_spatialRef;
//reproject the point to the DataFrame's spatial reference
if (null != m_spatialRef && m_mapSpatialRef.FactoryCode != m_layerSRFactoryCode)
m_point.Project(m_mapSpatialRef);
symbolSized = 1.35f * (float)(m_symbolSize / (double)iconWidth);
// draw the weather item
// 1. set the whether symbol properties
m_dynamicSymbolProperties.set_DynamicGlyph(esriDynamicSymbolType.esriDSymbolMarker, dynamicGlyph);
m_dynamicSymbolProperties.set_RotationAlignment(esriDynamicSymbolType.esriDSymbolMarker, esriDynamicSymbolRotationAlignment.esriDSRAScreen);
m_dynamicSymbolProperties.set_Heading(esriDynamicSymbolType.esriDSymbolMarker, 0.0f);
m_dynamicSymbolProperties.SetColor(esriDynamicSymbolType.esriDSymbolMarker, 1.0f, 1.0f, 1.0f, 1.0f);
m_dynamicSymbolProperties.SetScale(esriDynamicSymbolType.esriDSymbolMarker, symbolSized, symbolSized);
m_dynamicSymbolProperties.set_Smooth(esriDynamicSymbolType.esriDSymbolMarker, false);
// 2. set the text properties
m_dynamicSymbolProperties.set_DynamicGlyph(esriDynamicSymbolType.esriDSymbolText, m_textGlyph);
m_dynamicSymbolProperties.set_RotationAlignment(esriDynamicSymbolType.esriDSymbolMarker, esriDynamicSymbolRotationAlignment.esriDSRAScreen);
m_dynamicSymbolProperties.set_Heading(esriDynamicSymbolType.esriDSymbolText, 0.0f);
m_dynamicSymbolProperties.SetColor(esriDynamicSymbolType.esriDSymbolText, 0.0f, 0.85f, 0.0f, 1.0f);
m_dynamicSymbolProperties.SetScale(esriDynamicSymbolType.esriDSymbolText, 1.0f, 1.0f);
m_dynamicSymbolProperties.set_Smooth(esriDynamicSymbolType.esriDSymbolText, false);
m_dynamicSymbolProperties.TextBoxUseDynamicFillSymbol = false;
m_dynamicSymbolProperties.TextBoxHorizontalAlignment = esriTextHorizontalAlignment.esriTHACenter;
m_dynamicSymbolProperties.TextRightToLeft = false;
// draw both the icon and the text as a compound marker
m_dynamicCompoundMarker.DrawCompoundMarker2(m_point, temperature, citiName);
if (selected) // draw the selected symbol
{
m_dynamicSymbolProperties.SetColor(esriDynamicSymbolType.esriDSymbolMarker, 0.0f, 1.0f, 1.0f, 1.0f);
m_dynamicSymbolProperties.set_DynamicGlyph(esriDynamicSymbolType.esriDSymbolMarker, m_selectionGlyph);
DynamicDisplay.DrawMarker(m_point);
}
}
base.m_bIsCompiledDirty = false;
}
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;
}