/// <summary>
/// 设置图例属性
/// </summary>
/// <param name="pLegend">图例</param>
/// <param name="pMap">地图</param>
private static void SetLegendProperty(ILegend2 pLegend, IMap pMap)
{
pLegend.ClearItems();
pLegend.Title = "Legend";
pLegend.AutoVisibility = true;
ILegendFormat lFormat = pLegend.Format;
lFormat.DefaultPatchHeight = 20;
lFormat.DefaultPatchWidth = 30;
lFormat.TitleSymbol = GetTextSymbol();
for (int i = 0; i < pMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass();
pLegendItem.Layer = pMap.Layer[i]; //获取添加图例关联图层
pLegendItem.Columns = 2;
ILegendClassFormat iClassFormat = pLegendItem.LegendClassFormat;
iClassFormat.LabelSymbol = GetTextSymbol();
//iClassFormat.DescriptionSymbol = GetTextSymbol();
pLegendItem.HeadingSymbol = GetTextSymbol();
pLegendItem.ShowDescriptions = false;
pLegendItem.ShowHeading = true;
pLegendItem.ShowLabels = true;
pLegendItem.ShowLayerName = false;
pLegend.AddItem(pLegendItem); //添加图例内容
}
}
// 添加图例
public static void MakeLegend(AxPageLayoutControl pageLayoutControl, IEnvelope envelope)
{
IActiveView pActiveView = pageLayoutControl.ActiveView;
UID pUID = new UID()
{
Value = "esriCarto.Legend"
};
IGraphicsContainer pGraphicsContainer = pageLayoutControl.PageLayout as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
// 根据唯一标识符，创建与之对应的MapSurroundFrame
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null);
// 获取PageLayout中的图例元素
IElement pDeleteElement = pageLayoutControl.FindElementByName("Legend");
if (pDeleteElement != null)
{
pGraphicsContainer.DeleteElement(pDeleteElement); // 如果已存在图例，删除已经存在的图例
}
// 设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass()
{
FillSymbol = new SimpleFillSymbolClass()
{
Color = AeUtilsSymbology.GetRgbColor(240, 240, 240),
Outline = new SimpleLineSymbolClass()
{
Color = AeUtilsSymbology.GetRgbColor(0, 0, 0)
}
}
};
pMapSurroundFrame.Background = pSymbolBackground;
// 添加图例
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = envelope as IGeometry;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass()
{
Layer = pActiveView.FocusMap.get_Layer(i),
ShowDescriptions = false,
Columns = 1,
ShowHeading = true,
ShowLabels = true
};
pLegend.AddItem(pLegendItem);
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void MakeLegend(IActiveView pActiveView, IPageLayout pPageLayout, IEnvelope pEnv)
{
UID pID = new UID();
pID.Value = "esriCarto.Legend";
IGraphicsContainer pGraphicsContainer = pPageLayout as IGraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pActiveView.FocusMap) as IMapFrame;
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pID, null); //根据唯一标示符，创建与之对应MapSurroundFrame
IElement pDeletElement = axPageLayoutControl1.FindElementByName("Legend"); //获取PageLayout中的图例元素
if (pDeletElement != null)
{
pGraphicsContainer.DeleteElement(pDeletElement); //如果已经存在图例，删除已经存在的图例
}
//设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass();
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
ILineSymbol pLineSymbol = new SimpleLineSymbolClass();
pLineSymbol.Color = m_OperatePageLayout.GetRgbColor(0, 0, 0);
pFillSymbol.Color = m_OperatePageLayout.GetRgbColor(240, 240, 240);
pFillSymbol.Outline = pLineSymbol;
pSymbolBackground.FillSymbol = pFillSymbol;
pMapSurroundFrame.Background = pSymbolBackground;
//添加图例
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnv as IGeometry;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass();
pLegendItem.Layer = pActiveView.FocusMap.get_Layer(i);//获取添加图例关联图层
pLegendItem.ShowDescriptions = false;
pLegendItem.Columns = 1;
pLegendItem.ShowHeading = true;
pLegendItem.ShowLabels = true;
pLegend.AddItem(pLegendItem);//添加图例内容
}
pGraphicsContainer.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public static void AddLegend(AxPageLayoutControl pageLayoutControl)
{
try
{
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(0.2,0.2,5,5);
IActiveView pActiveView = pageLayoutControl as IActiveView;
IMap pMap = pActiveView.FocusMap;
IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;
IMapFrame pMapFram = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
IElement mapElement = pMapFram as IElement;
IEnvelope mapEnv = mapElement.Geometry.Envelope;
pEnvelope.PutCoords(mapEnv.XMin, mapEnv.YMin, mapEnv.XMin + 6.5, mapEnv.YMin + 0.8);
UID pUID = new UID();
pUID.Value = "{7A3F91E4-B9E3-11d1-8756-0000F8751720}";
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass();
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
ILineSymbol pLineSymbol = new SimpleLineSymbolClass();
pFillSymbol.Color = GetRgbColor(255, 255, 255);
pLineSymbol.Color = GetRgbColor(255, 255, 255);
pFillSymbol.Outline = pLineSymbol;
pSymbolBackground.FillSymbol = pFillSymbol;
IMapSurroundFrame pMapSurroundFrame = pMapFram.CreateSurroundFrame(pUID, null);
pMapSurroundFrame.Background = pSymbolBackground;
IElement pElement = pMapSurroundFrame as IElement;
pElement.Geometry = pEnvelope;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
ITextSymbol pTextSymbol = new TextSymbolClass();
pTextSymbol.Size = 10;
pTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
ILegendItem pLegendItem = null;
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILayer pLayer = pActiveView.FocusMap.get_Layer(i);
if (pLayer is IFeatureLayer)
{
IFeatureLayer pFLayer = pLayer as IFeatureLayer;
IFeatureClass pFeatureClass = pFLayer.FeatureClass;
if (pFeatureClass.FeatureType == esriFeatureType.esriFTAnnotation)
{
continue;
}
else
{
pLegendItem = new HorizontalLegendItemClass();
pLegendItem.Layer = pLayer;
pLegendItem.Columns = 1;
pLegendItem.ShowDescriptions = false;
pLegendItem.ShowHeading = false;
pLegendItem.ShowLabels = true;
pLegendItem.LayerNameSymbol = pTextSymbol;
pLegend.AddItem(pLegendItem);
}
}
}
}
catch(Exception Err)
{ }
}
private void btnOk_Click(object sender, EventArgs e)
{
m_legend.Name = this.textBoxElement.Text.Trim();
m_legend.Title = this.textBox1.Text; //图例的标题
ILayer player;
ILegendItem pLegendItem = null;
#region //设置图例显示的项
if (this.listBox2.Items.Count != 0)
{
m_legend.ClearItems();
foreach (object item in this.listBox2.Items) //设置需要的图例项 根据用户需要添加
{
for (int j = 0; j < m_pageLayoutControl.ActiveView.FocusMap.LayerCount; j++)
{
player = m_pageLayoutControl.ActiveView.FocusMap.get_Layer(j);
if (player.Name == item.ToString())
{
IFeatureLayer pFLayer = player as IFeatureLayer;
IFeatureClass pFeatureClass = pFLayer.FeatureClass;
if (pFeatureClass.FeatureType == esriFeatureType.esriFTAnnotation)
{
continue;
}
else
{
pLegendItem = new HorizontalLegendItemClass(); //图例项标签的样式
pLegendItem.Layer = player;
pLegendItem.Columns = 1;
pLegendItem.ShowDescriptions = false;
pLegendItem.ShowHeading = false;
pLegendItem.ShowLabels = true;
switch (comboBox1.SelectedItem.ToString().Trim())
{
case "所有文本符号":
pLegendItem.LayerNameSymbol = pTextSymbol; //设置字体样式
pLegendItem.HeadingSymbol = pTextSymbol;
pLegendItem.LegendClassFormat.LabelSymbol = pTextSymbol;
break;
case "所有图层名称":
pLegendItem.LayerNameSymbol = pTextSymbol;
break;
case "所有标题项":
pLegendItem.HeadingSymbol = pTextSymbol;
break;
case "所有标注项":
pLegendItem.LegendClassFormat.LabelSymbol = pTextSymbol;
break;
case "所有描述性文字":
break;
}
}
m_legend.AddItem(pLegendItem);
}
}
}
}
#endregion
plegendFormat.DefaultPatchHeight = Convert.ToDouble(this.textBoxHeight.Text); //块的高度
plegendFormat.DefaultPatchWidth = Convert.ToDouble(this.textBoxWidth.Text); //块的宽度
#region //设置图例的底色边框
IMapSurround pmapsurronud = m_legend as IMapSurround;
mapSurroundFrame.MapSurround = pmapsurronud;
m_FrameProperties = (IFrameProperties)mapSurroundFrame;
// m_SymbolBackground.FillSymbol.Color = ConvertColorToIColor(this.btnBackGroundColor.BackColor);
m_FrameProperties.Background = (IBackground )m_SymbolBackground;
// m_SymbolBorder.LineSymbol.Color = ConvertColorToIColor(this.btnBolderColor.BackColor);
m_FrameProperties.Border = (IBorder)m_SymbolBorder;
// m_SymbolShadow.FillSymbol.Color = ConvertColorToIColor(this.btnShadowColor.BackColor);
m_FrameProperties.Shadow = (IShadow)m_SymbolShadow;
#endregion
IEnvelope pEnvelop = new EnvelopeClass(); //图例的位置
pEnvelop.PutCoords(Convert.ToDouble(this.textBoxX.Text), Convert.ToDouble(this.textBoxY.Text),
Convert.ToDouble(this.textBoxX.Text) + Convert.ToDouble(this.textBoxWidth1.Text),
Convert.ToDouble(this.textBoxY.Text) + Convert.ToDouble(this.textBoxHeight1.Text));
IElement m_element = mapSurroundFrame as IElement;
m_element.Geometry = pEnvelop;
m_pageLayoutControl.AddElement(m_element, Type.Missing, Type.Missing, m_legend.Name, 0);
m_pageLayoutControl.ActiveView.Refresh();
this.Close();
}
//更新图例
private void UpdateLegend()
{
//边框、背景、阴影的间距
if (txtBorderGap.Text != null && pSymbolBorder != null)
{
pSymbolBorder.Gap = double.Parse(this.txtBorderGap.Text);
}
if (txtBackgroundGap.Text != null && pSymbolBackground != null)
{
pSymbolBackground.Gap = double.Parse(this.txtBackgroundGap.Text);
}
if (txtShadowX.Text != null && pSymbolShadow != null)
{
pSymbolShadow.VerticalSpacing = double.Parse(this.txtShadowX.Text);
}
if (txtShadowY.Text != null && pSymbolShadow != null)
{
pSymbolShadow.HorizontalSpacing = double.Parse(this.txtShadowY.Text);
}
//边框、背景、阴影的角度
if (txtBorderAngle.Text != null && pSymbolBorder != null)
{
pSymbolBorder.CornerRounding = short.Parse(txtBorderAngle.Text);
}
if (txtBackgroundAngle.Text != null && pSymbolBackground != null)
{
pSymbolBackground.CornerRounding = short.Parse(txtBackgroundAngle.Text);
}
if (txtShadowAngle.Text != null && pSymbolShadow != null)
{
pSymbolShadow.CornerRounding = short.Parse(txtShadowAngle.Text);
}
//边框、背景、阴影
IFrameProperties pFrameProperties = pMapSurroundFrame as IFrameProperties;
if (pSymbolBorder != null)
{
pFrameProperties.Border = pSymbolBorder;
}
if (pSymbolBackground != null)
{
pFrameProperties.Background = pSymbolBackground;
}
if (pSymbolShadow != null)
{
pFrameProperties.Shadow = pSymbolShadow;
}
ILegendFormat pLegendFormat = new LegendFormatClass();
//标题设置 显示
if (this.cBoxShowTitle.Checked == true)
{
pLegendFormat.ShowTitle = true;
}
else
{
pLegendFormat.ShowTitle = false;
}
//标题样式
if (pTitleSymbol != null)
{
pLegendFormat.TitleSymbol = pTitleSymbol;
}
//图面样式以及高度和样式设计
if (pLinePatch != null)
{
pLegendFormat.DefaultLinePatch = pLinePatch;
}
if (pAreaPatch != null)
{
pLegendFormat.DefaultAreaPatch = pAreaPatch;
}
if (txtPatchWith.Text != null)
{
pLegendFormat.DefaultPatchWidth = double.Parse(txtPatchWith.Text);
}
if (txtPatchHeight.Text != null)
{
pLegendFormat.DefaultPatchHeight = double.Parse(txtPatchHeight.Text);
}
//第四界面从上到下图例各部分之间的距离
pLegendFormat.TitleGap = double.Parse(txtTitleAndLegend.Text);
pLegendFormat.VerticalItemGap = double.Parse(txtLegendItems.Text);
pLegendFormat.HorizontalItemGap = double.Parse(txtColumns.Text);
pLegendFormat.HeadingGap = double.Parse(txtHeadings.Text);
pLegendFormat.TextGap = double.Parse(txtLabelsAndDescription.Text);
pLegendFormat.VerticalPatchGap = double.Parse(txtPatchesV.Text);
pLegendFormat.HorizontalPatchGap = double.Parse(txtPatchAndLabels.Text);
//样式添加到图例
Legend.Title = this.txtLegendTitle.Text;
Legend.Format = pLegendFormat;
//地图链接
Legend.AutoVisibility = cBoxAddVisibleLayer.Checked; //只显示显示的图层
Legend.AutoAdd = cBoxAddNewLayer.Checked; //自动添加显示的图层
Legend.AutoReorder = cBoxNewOrder.Checked; //按照图层顺序排列图例
//Legend.ClearItems();
//Legend.Refresh();
//图例列数
double pLegendColumn = double.Parse(this.LegendColumn.Text);
//图例中要包含的图层个数为 pSelectedidx.Count
double pLegendItemCount = pSelectedidx.Count;
//计算图例分裂的位置
int ColumnPos = (int)(pLegendItemCount / pLegendColumn);
double remainder = (pLegendItemCount % pLegendColumn) / pLegendColumn;
if (remainder >= 0.5)
{
ColumnPos = ColumnPos + 1;
}
for (int i = 0; i < pSelectedidx.Count; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass();
pLegendItem.Layer = pMap.get_Layer(pSelectedidx[i]);
int lengendinex = 0;//记录同名图层在legend中的位置
for (int j = 0; j < Legend.ItemCount; j++)
{
if (Legend.Item[j].Layer == pLegendItem.Layer)
{
lengendinex = j;
break;
}
}
pLegendItem.ShowDescriptions = Legend.Item[lengendinex].ShowDescriptions;
pLegendItem.ShowHeading = Legend.Item[lengendinex].ShowHeading;
pLegendItem.ShowLabels = Legend.Item[lengendinex].ShowLabels;
pLegendItem.ShowLayerName = Legend.Item[lengendinex].ShowLayerName;
pLegendItem.HeadingSymbol = Legend.Item[lengendinex].HeadingSymbol;
pLegendItem.LayerNameSymbol = Legend.Item[lengendinex].LayerNameSymbol;
pLegendItem.LegendClassFormat = Legend.Item[lengendinex].LegendClassFormat;
//列数设置
//列数设置
if (ColumnPos <= 1)
{
pLegendItem.NewColumn = true;
}
else if (ColumnPos > 1 && i > 0)
{
int columnI = i % ColumnPos;
if (columnI == 0)
{
pLegendItem.NewColumn = true;
}
}
legendlist.Add(pLegendItem);
}
Legend.ClearItems();
Legend.Refresh();
for (int i = 0; i < legendlist.Count; i++)
{
Legend.AddItem(legendlist[i]);
}
ILegendLayout pLegendLayout = pLegendFormat as ILegendLayout;
pLegendLayout.ScaleGraphicsOnResize = false;
m_hookHelper.ActiveView.Refresh();
}
private void btnOk_Click(object sender, EventArgs e)
{
m_legend.Name = this.textBoxElement.Text.Trim();
m_legend.Title = this.textBox1.Text; //图例的标题
ILayer player;
ILegendItem pLegendItem = null;
#region //设置图例显示的项
if (this.listBox2.Items.Count != 0)
{
m_legend.ClearItems();
foreach (object item in this.listBox2 .Items ) //设置需要的图例项 根据用户需要添加
{
for (int j = 0; j < m_pageLayoutControl.ActiveView.FocusMap.LayerCount; j++)
{
player = m_pageLayoutControl.ActiveView.FocusMap.get_Layer(j);
if (player.Name == item .ToString ())
{
IFeatureLayer pFLayer = player as IFeatureLayer;
IFeatureClass pFeatureClass = pFLayer.FeatureClass;
if (pFeatureClass.FeatureType == esriFeatureType.esriFTAnnotation)
{
continue;
}
else
{
pLegendItem = new HorizontalLegendItemClass(); //图例项标签的样式
pLegendItem.Layer = player;
pLegendItem.Columns = 1;
pLegendItem.ShowDescriptions = false;
pLegendItem.ShowHeading = false;
pLegendItem.ShowLabels = true;
switch (comboBox1.SelectedItem.ToString().Trim () )
{
case "所有文本符号":
pLegendItem.LayerNameSymbol = pTextSymbol; //设置字体样式
pLegendItem.HeadingSymbol = pTextSymbol;
pLegendItem.LegendClassFormat.LabelSymbol = pTextSymbol;
break;
case "所有图层名称":
pLegendItem.LayerNameSymbol = pTextSymbol;
break;
case "所有标题项":
pLegendItem.HeadingSymbol = pTextSymbol;
break;
case "所有标注项":
pLegendItem.LegendClassFormat.LabelSymbol = pTextSymbol;
break;
case "所有描述性文字":
break;
}
}
m_legend.AddItem(pLegendItem );
}
}
}
}
#endregion
plegendFormat.DefaultPatchHeight = Convert.ToDouble(this.textBoxHeight.Text);//块的高度
plegendFormat.DefaultPatchWidth = Convert.ToDouble(this.textBoxWidth.Text);//块的宽度
#region //设置图例的底色边框
IMapSurround pmapsurronud = m_legend as IMapSurround;
mapSurroundFrame.MapSurround = pmapsurronud;
m_FrameProperties = (IFrameProperties)mapSurroundFrame;
// m_SymbolBackground.FillSymbol.Color = ConvertColorToIColor(this.btnBackGroundColor.BackColor);
m_FrameProperties.Background =(IBackground ) m_SymbolBackground;
// m_SymbolBorder.LineSymbol.Color = ConvertColorToIColor(this.btnBolderColor.BackColor);
m_FrameProperties.Border = (IBorder)m_SymbolBorder;
// m_SymbolShadow.FillSymbol.Color = ConvertColorToIColor(this.btnShadowColor.BackColor);
m_FrameProperties.Shadow = (IShadow)m_SymbolShadow;
#endregion
IEnvelope pEnvelop = new EnvelopeClass(); //图例的位置
pEnvelop.PutCoords(Convert.ToDouble(this.textBoxX.Text), Convert.ToDouble(this.textBoxY.Text),
Convert.ToDouble(this.textBoxX.Text) + Convert.ToDouble(this.textBoxWidth1.Text),
Convert.ToDouble(this.textBoxY.Text) + Convert.ToDouble(this.textBoxHeight1.Text));
IElement m_element = mapSurroundFrame as IElement;
m_element.Geometry = pEnvelop;
m_pageLayoutControl.AddElement(m_element ,Type.Missing ,Type .Missing ,m_legend .Name ,0);
m_pageLayoutControl.ActiveView.Refresh();
this.Close();
}
// 添加图例
private void AddLegend()
{
IActiveView pActiveView = axPageLayoutControl_main.ActiveView;
IGraphicsContainer pGC = axPageLayoutControl_main.PageLayout as IGraphicsContainer;
UID pUID = new UIDClass()
{
Value = "esriCarto.Legend"
};
IMapFrame pMapFrame = pGC.FindFrame(pActiveView.FocusMap) as IMapFrame;
// 根据唯一标识符，创建与之对应的MapSurroundFrame
IMapSurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null);
// 检查PageLayout中是否已有图例（有则删除）
IElement pDelElement = axPageLayoutControl_main.FindElementByName("Legend");
if (pDelElement != null)
{
pGC.DeleteElement(pDelElement);
}
// 设置MapSurroundFrame背景
ISymbolBackground pSymbolBackground = new SymbolBackgroundClass()
{
FillSymbol = new SimpleFillSymbolClass()
{
Color = GetRgbColor(240, 240, 240),
Outline = new SimpleLineSymbolClass()
{
Color = GetRgbColor(0, 0, 0),
Width = 1
}
}
};
pMapSurroundFrame.Background = pSymbolBackground;
// 添加图例
IElement pElement = pMapSurroundFrame as IElement;
IEnvelope pEnv = axPageLayoutControl_main.Extent;
pEnv.XMin += 2;
pEnv.YMin += 3;
pElement.Geometry = pEnv;
IMapSurround pMapSurround = pMapSurroundFrame.MapSurround;
ILegend pLegend = pMapSurround as ILegend;
pLegend.ClearItems();
pLegend.Title = "图例";
for (int i = 0; i < pActiveView.FocusMap.LayerCount; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass()
{
Layer = pActiveView.FocusMap.get_Layer(i),
ShowDescriptions = false,
Columns = 1,
ShowHeading = true,
ShowLabels = true
};
pLegend.AddItem(pLegendItem);
}
pGC.AddElement(pElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
//创建图例
private void CreateLegend()
{
ILegendFormat pLegendFormat = new LegendFormatClass();
IMapSurroundFrame pMapSurroundFrame = new MapSurroundFrameClass();
pActiveView = m_hookHelper.ActiveView as IActiveView;
pMap = pActiveView.FocusMap;
//边框、背景、阴影的间距
if (txtLegendFrameGap.Text != null && pSymbolBorder != null)
{
pSymbolBorder.Gap = double.Parse(this.txtLegendFrameGap.Text);
}
if (txtLegendFrameGap.Text != null && pSymbolBackground != null)
{
pSymbolBackground.Gap = double.Parse(this.txtLegendFrameGap.Text);
}
if (txtLegendFrameGap.Text != null && pSymbolShadow != null)
{
pSymbolShadow.VerticalSpacing = double.Parse(this.txtLegendFrameGap.Text) + 10;
pSymbolShadow.HorizontalSpacing = double.Parse(this.txtLegendFrameGap.Text) + 10;
}
//边框、背景、阴影的角度
if (txtLegendFrameAngle.Text != null && pSymbolBorder != null)
{
pSymbolBorder.CornerRounding = short.Parse(txtLegendFrameAngle.Text);
}
if (txtLegendFrameAngle.Text != null && pSymbolBackground != null)
{
pSymbolBackground.CornerRounding = short.Parse(txtLegendFrameAngle.Text);
}
if (txtLegendFrameAngle.Text != null && pSymbolShadow != null)
{
pSymbolShadow.CornerRounding = short.Parse(txtLegendFrameAngle.Text);
}
//边框、背景、阴影
IFrameProperties pFrameProperties = pMapSurroundFrame as IFrameProperties;
if (pSymbolBorder != null)
{
pFrameProperties.Border = pSymbolBorder;
}
if (pSymbolBackground != null)
{
pFrameProperties.Background = pSymbolBackground;
}
if (pSymbolShadow != null)
{
pFrameProperties.Shadow = pSymbolShadow;
}
//显示标题
pLegendFormat.ShowTitle = true;
//标题位置
pLegendFormat.TitlePosition = esriRectanglePosition.esriTopSide;
//标题样式
pLegendFormat.TitleSymbol = CreateTitleSymbol();
//第四界面从上到下图例各部分之间的距离
pLegendFormat.TitleGap = double.Parse(txtTitleAndLegend.Text);
pLegendFormat.VerticalItemGap = double.Parse(txtLegendItems.Text);
pLegendFormat.HorizontalItemGap = double.Parse(txtColumns.Text);
pLegendFormat.HeadingGap = double.Parse(txtHeadings.Text);
pLegendFormat.TextGap = double.Parse(txtLabelsAndDescription.Text);
pLegendFormat.VerticalPatchGap = double.Parse(txtPatchesV.Text);
pLegendFormat.HorizontalPatchGap = double.Parse(txtPatchAndLabels.Text);
pLegendFormat.LayerNameGap = 2;
//图面的样式以及高度和宽度
if (pLinePatch != null)
{
pLegendFormat.DefaultLinePatch = pLinePatch;
}
if (pAreaPatch != null)
{
pLegendFormat.DefaultAreaPatch = pAreaPatch;
}
pLegendFormat.DefaultPatchHeight = double.Parse(this.txtPatchHeight.Text);
pLegendFormat.DefaultPatchWidth = double.Parse(this.txtPatchWith.Text);
//创建图例
ILegend pLegend = new LegendClass_2();
//图例名称
//pLegend.Name = this.txtLegendTitle.Text;
pLegend.AutoVisibility = false; //显示显示的图层
pLegend.AutoAdd = false; //自动添加新数据到图例
pLegend.AutoReorder = true; //根据图层顺序自动排列
pLegend.Title = this.txtLegendTitle.Text;
pLegend.Format = pLegendFormat;
pLegend.Map = pMap;
pLegend.ClearItems();
//pLegend.Refresh();
//图例列数
double pLegendColumn = double.Parse(this.LegendColumn.Text);
//图例中要包含的图层个数为 pSelectedidx.Count
double pLegendItemCount = pSelectedidx.Count;
//计算图例分裂的位置
int ColumnPos = (int)(pLegendItemCount / pLegendColumn);
double remainder = (pLegendItemCount % pLegendColumn) / pLegendColumn;
if (remainder >= 0.5)
{
ColumnPos = ColumnPos + 1;
}
//设置添加到图例的图层
for (int i = 0; i < pSelectedidx.Count; i++)
{
ILegendItem pLegendItem = new HorizontalLegendItemClass();
ILayer pLayer = (ILayer)(pMap.get_Layer(pSelectedidx[i]));
if (!pLayer.Valid)
{
continue;
}
pLegendItem.Layer = pLayer;
//显示标注和描述
pLegendItem.ShowDescriptions = true;
pLegendItem.ShowLabels = true;
//标注和描述字体样式
ITextSymbol pLDTextSymbol = new TextSymbolClass();
IFontDisp pLDFont = new StdFontClass() as IFontDisp;
IRgbColor pLDColor = new RgbColorClass();
pLDColor.Red = 0;
pLDColor.Green = 0;
pLDColor.Blue = 0;
pLDTextSymbol.Color = pLDColor;
pLDFont.Size = (decimal)8;
pLDFont.Name = "宋体";
pLDTextSymbol.Font = pLDFont;
ILegendClassFormat pLegendClassFormat = new LegendClassFormatClass();
pLegendClassFormat.LabelSymbol = pLDTextSymbol;
pLegendClassFormat.DescriptionSymbol = pLDTextSymbol;
pLegendItem.LegendClassFormat = pLegendClassFormat;
//图层名称是否显示
if (pLegendItem.Layer is IFeatureLayer)
{
if (((IGeoFeatureLayer)pLegendItem.Layer).Renderer is ISimpleRenderer)
{
pLegendItem.ShowHeading = false;
pLegendItem.ShowLayerName = false;
}
else
{
pLegendItem.ShowLayerName = true;
pLegendItem.ShowHeading = true;
//图层名称和头文件的样式
ITextSymbol pLHTextSymbol = new TextSymbolClass();
IFontDisp pLHFont = new StdFontClass() as IFontDisp;
IRgbColor pLHColor = new RgbColorClass();
pLDColor.Red = 0;
pLDColor.Green = 0;
pLDColor.Blue = 0;
pLHTextSymbol.Color = pLHColor;
pLHFont.Name = "宋体";
pLHFont.Size = 10;
pLHFont.Bold = true;
pLHTextSymbol.Font = pLHFont;
pLHTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pLegendItem.HeadingSymbol = pLHTextSymbol;
pLegendItem.LayerNameSymbol = pLHTextSymbol;
}
}
else if (pLegendItem.Layer is IRasterLayer)
{
pLegendItem.ShowLayerName = true;
pLegendItem.ShowHeading = true;
//图层名称和头文件的样式
ITextSymbol pLHTextSymbol = new TextSymbolClass();
IFontDisp pLHFont = new StdFontClass() as IFontDisp;
IRgbColor pLHColor = new RgbColorClass();
pLDColor.Red = 0;
pLDColor.Green = 0;
pLDColor.Blue = 0;
pLHTextSymbol.Color = pLHColor;
pLHFont.Name = "宋体";
pLHFont.Size = 10;
pLHFont.Bold = true;
pLHTextSymbol.Font = pLHFont;
pLHTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pLegendItem.HeadingSymbol = pLHTextSymbol;
pLegendItem.LayerNameSymbol = pLHTextSymbol;
}
//列数设置
if (ColumnPos <= 1)
{
pLegendItem.NewColumn = true;
}
else if (ColumnPos > 1 && i > 0)
{
int columnI = i % ColumnPos;
if (columnI == 0)
{
pLegendItem.NewColumn = true;
}
}
ILegendLayout pLegendLayout = pLegendFormat as ILegendLayout;
pLegendLayout.ScaleGraphicsOnResize = false;
//将图层及样式设计加入图例中
pLegend.AddItem(pLegendItem);
pLegend.Refresh();
}
//将图例加载到PageLayout上
IGraphicsContainer pGraphicsContainer = pActiveView.GraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(pMap) as IMapFrame;
if (pMapFrame == null)
{
return;
}
pMapSurroundFrame.MapFrame = pMapFrame;
pMapSurroundFrame.MapSurround = (IMapSurround)pLegend;
IElement pElement = (IElement)pMapSurroundFrame;
IPageLayout pPageLayout = (IPageLayout)pActiveView;
IPage pPage = pPageLayout.Page;
double pWidth = pPage.PrintableBounds.XMax / 10.0;
double pHeigth = pPage.PrintableBounds.YMin / 10.0;
IEnvelope pEnvelope = new EnvelopeClass();
pEnvelope.PutCoords(pWidth, pHeigth, pWidth + 6, pHeigth + 6);
pElement.Geometry = (IGeometry)pEnvelope;
pGraphicsContainer.AddElement((IElement)pMapSurroundFrame, 0);
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pMapSurroundFrame, null);
}
private void frmSymbolProperty_Load(object sender, EventArgs e)
{
if (this.m_pStyleGalleryItem != null)
{
this.txtName.Text = this.m_pStyleGalleryItem.Name;
this.txtCategory.Text = this.m_pStyleGalleryItem.Category;
this.symbolItem1.Symbol = this.m_pStyleGalleryItem.Item;
if (this.symbolItem1.Symbol is IMarkerSymbol)
{
this.m_SymbolType = enumSymbolType.enumSTPoint;
}
else if (this.symbolItem1.Symbol is ILineSymbol)
{
this.m_SymbolType = enumSymbolType.enumSTLine;
}
else if (this.symbolItem1.Symbol is IFillSymbol)
{
this.m_SymbolType = enumSymbolType.enumSTFill;
}
else if (this.symbolItem1.Symbol is ITextSymbol)
{
this.m_SymbolType = enumSymbolType.enumSTText;
}
else if (this.symbolItem1.Symbol is IColorRamp)
{
this.m_SymbolType = enumSymbolType.enumSTColorRamp;
}
else if (this.symbolItem1.Symbol is IColor)
{
this.m_SymbolType = enumSymbolType.enumSTColor;
}
else if (this.symbolItem1.Symbol is ISymbolBorder)
{
this.m_SymbolType = enumSymbolType.enumSTBorder;
}
else if (this.symbolItem1.Symbol is ISymbolBackground)
{
this.m_SymbolType = enumSymbolType.enumSTBackground;
}
else if (this.symbolItem1.Symbol is ISymbolShadow)
{
this.m_SymbolType = enumSymbolType.enumSTShadow;
}
else if (this.symbolItem1.Symbol is IMarkerNorthArrow)
{
this.m_SymbolType = enumSymbolType.enumSTNorthArrow;
}
else if (this.symbolItem1.Symbol is IScaleBar)
{
this.m_SymbolType = enumSymbolType.enumSTScaleBar;
}
else if (this.symbolItem1.Symbol is IScaleText)
{
this.m_SymbolType = enumSymbolType.enumSTScaleText;
}
else if (this.symbolItem1.Symbol is ILegendItem)
{
this.m_SymbolType = enumSymbolType.enumSTLegendItem;
}
else
{
this.m_SymbolType = enumSymbolType.enumSTUnknown;
}
}
else
{
this.m_pStyleGalleryItem = new ServerStyleGalleryItemClass();
object obj2 = null;
switch (this.m_SymbolType)
{
case enumSymbolType.enumSTPoint:
this.txtName.Text = "点符号";
obj2 = new MultiLayerMarkerSymbolClass();
((IMultiLayerMarkerSymbol)obj2).AddLayer(new SimpleMarkerSymbolClass());
break;
case enumSymbolType.enumSTLine:
this.txtName.Text = "线符号";
obj2 = new MultiLayerLineSymbolClass();
((IMultiLayerLineSymbol)obj2).AddLayer(new SimpleLineSymbolClass());
break;
case enumSymbolType.enumSTFill:
this.txtName.Text = "面符号";
obj2 = new MultiLayerFillSymbolClass();
((IMultiLayerFillSymbol)obj2).AddLayer(new SimpleFillSymbolClass());
break;
case enumSymbolType.enumSTText:
case enumSymbolType.enumSTColorRamp:
case enumSymbolType.enumSTColor:
case enumSymbolType.enumSTLinePatch:
case enumSymbolType.enumSTAreaPatch:
return;
case enumSymbolType.enumSTNorthArrow:
this.txtName.Text = "指北针";
obj2 = new MarkerNorthArrowClass();
break;
case enumSymbolType.enumSTScaleBar:
this.txtName.Text = "比例尺";
obj2 = new ScaleLineClass();
break;
case enumSymbolType.enumSTScaleText:
this.txtName.Text = "比例尺文本";
obj2 = new ScaleTextClass();
break;
case enumSymbolType.enumSTBorder:
this.txtName.Text = "边界";
obj2 = new SymbolBorderClass();
break;
case enumSymbolType.enumSTShadow:
this.txtName.Text = "阴影";
obj2 = new SymbolShadowClass();
break;
case enumSymbolType.enumSTBackground:
this.txtName.Text = "背景";
obj2 = new SymbolBackgroundClass();
break;
case enumSymbolType.enumSTLegendItem:
this.txtName.Text = "图例项";
obj2 = new HorizontalLegendItemClass();
break;
case enumSymbolType.enumSTLabel:
this.txtName.Text = "标注";
obj2 = new LabelStyleClass();
break;
default:
return;
}
this.symbolItem1.Symbol = obj2;
this.m_pStyleGalleryItem.Name = this.txtName.Text;
this.m_pStyleGalleryItem.Category = this.txtCategory.Text;
this.m_pStyleGalleryItem.Item = obj2;
}
}
